Boot log: asus-C523NA-A20057-coral

    1 02:05:37.472913  lava-dispatcher, installed at version: 2023.05.1
    2 02:05:37.473114  start: 0 validate
    3 02:05:37.473234  Start time: 2023-06-14 02:05:37.473227+00:00 (UTC)
    4 02:05:37.473342  Using caching service: 'http://localhost/cache/?uri=%s'
    5 02:05:37.473465  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230609.0%2Famd64%2Finitrd.cpio.gz exists
    6 02:05:37.740786  Using caching service: 'http://localhost/cache/?uri=%s'
    7 02:05:37.741700  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.182-cip35-8-gc3d08808cfa7%2Fx86_64%2Fx86_64_defconfig%2Bx86-chromebook%2Bkselftest%2Fgcc-10%2Fkernel%2FbzImage exists
    8 02:05:38.006052  Using caching service: 'http://localhost/cache/?uri=%s'
    9 02:05:38.006830  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230609.0%2Famd64%2Ffull.rootfs.tar.xz exists
   10 02:05:38.270461  Using caching service: 'http://localhost/cache/?uri=%s'
   11 02:05:38.271307  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.182-cip35-8-gc3d08808cfa7%2Fx86_64%2Fx86_64_defconfig%2Bx86-chromebook%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   12 02:05:38.549326  validate duration: 1.08
   14 02:05:38.550616  start: 1 tftp-deploy (timeout 00:10:00) [common]
   15 02:05:38.551149  start: 1.1 download-retry (timeout 00:10:00) [common]
   16 02:05:38.551626  start: 1.1.1 http-download (timeout 00:10:00) [common]
   17 02:05:38.552233  Not decompressing ramdisk as can be used compressed.
   18 02:05:38.552716  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230609.0/amd64/initrd.cpio.gz
   19 02:05:38.553075  saving as /var/lib/lava/dispatcher/tmp/10716722/tftp-deploy-tkgwk6jk/ramdisk/initrd.cpio.gz
   20 02:05:38.553413  total size: 5432707 (5MB)
   21 02:05:38.559308  progress   0% (0MB)
   22 02:05:38.568678  progress   5% (0MB)
   23 02:05:38.575394  progress  10% (0MB)
   24 02:05:38.580012  progress  15% (0MB)
   25 02:05:38.584077  progress  20% (1MB)
   26 02:05:38.587269  progress  25% (1MB)
   27 02:05:38.589951  progress  30% (1MB)
   28 02:05:38.592852  progress  35% (1MB)
   29 02:05:38.595097  progress  40% (2MB)
   30 02:05:38.597339  progress  45% (2MB)
   31 02:05:38.599352  progress  50% (2MB)
   32 02:05:38.601542  progress  55% (2MB)
   33 02:05:38.603426  progress  60% (3MB)
   34 02:05:38.605231  progress  65% (3MB)
   35 02:05:38.607187  progress  70% (3MB)
   36 02:05:38.608804  progress  75% (3MB)
   37 02:05:38.610377  progress  80% (4MB)
   38 02:05:38.611929  progress  85% (4MB)
   39 02:05:38.613599  progress  90% (4MB)
   40 02:05:38.615034  progress  95% (4MB)
   41 02:05:38.616478  progress 100% (5MB)
   42 02:05:38.616692  5MB downloaded in 0.06s (81.87MB/s)
   43 02:05:38.616839  end: 1.1.1 http-download (duration 00:00:00) [common]
   45 02:05:38.617083  end: 1.1 download-retry (duration 00:00:00) [common]
   46 02:05:38.617172  start: 1.2 download-retry (timeout 00:10:00) [common]
   47 02:05:38.617260  start: 1.2.1 http-download (timeout 00:10:00) [common]
   48 02:05:38.617386  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-8-gc3d08808cfa7/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kernel/bzImage
   49 02:05:38.617462  saving as /var/lib/lava/dispatcher/tmp/10716722/tftp-deploy-tkgwk6jk/kernel/bzImage
   50 02:05:38.617535  total size: 16397280 (15MB)
   51 02:05:38.617609  No compression specified
   52 02:05:38.618872  progress   0% (0MB)
   53 02:05:38.623283  progress   5% (0MB)
   54 02:05:38.627438  progress  10% (1MB)
   55 02:05:38.631635  progress  15% (2MB)
   56 02:05:38.635800  progress  20% (3MB)
   57 02:05:38.639955  progress  25% (3MB)
   58 02:05:38.644146  progress  30% (4MB)
   59 02:05:38.648263  progress  35% (5MB)
   60 02:05:38.652404  progress  40% (6MB)
   61 02:05:38.656495  progress  45% (7MB)
   62 02:05:38.660642  progress  50% (7MB)
   63 02:05:38.664743  progress  55% (8MB)
   64 02:05:38.668816  progress  60% (9MB)
   65 02:05:38.672910  progress  65% (10MB)
   66 02:05:38.676972  progress  70% (10MB)
   67 02:05:38.681095  progress  75% (11MB)
   68 02:05:38.685113  progress  80% (12MB)
   69 02:05:38.689148  progress  85% (13MB)
   70 02:05:38.693194  progress  90% (14MB)
   71 02:05:38.697288  progress  95% (14MB)
   72 02:05:38.701372  progress 100% (15MB)
   73 02:05:38.701574  15MB downloaded in 0.08s (186.08MB/s)
   74 02:05:38.701714  end: 1.2.1 http-download (duration 00:00:00) [common]
   76 02:05:38.701937  end: 1.2 download-retry (duration 00:00:00) [common]
   77 02:05:38.702022  start: 1.3 download-retry (timeout 00:10:00) [common]
   78 02:05:38.702105  start: 1.3.1 http-download (timeout 00:10:00) [common]
   79 02:05:38.702234  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230609.0/amd64/full.rootfs.tar.xz
   80 02:05:38.702305  saving as /var/lib/lava/dispatcher/tmp/10716722/tftp-deploy-tkgwk6jk/nfsrootfs/full.rootfs.tar
   81 02:05:38.702365  total size: 207209004 (197MB)
   82 02:05:38.702424  Using unxz to decompress xz
   83 02:05:38.706238  progress   0% (0MB)
   84 02:05:39.235546  progress   5% (9MB)
   85 02:05:39.751729  progress  10% (19MB)
   86 02:05:40.339675  progress  15% (29MB)
   87 02:05:40.692474  progress  20% (39MB)
   88 02:05:41.042430  progress  25% (49MB)
   89 02:05:41.632802  progress  30% (59MB)
   90 02:05:42.167937  progress  35% (69MB)
   91 02:05:42.764656  progress  40% (79MB)
   92 02:05:43.307060  progress  45% (88MB)
   93 02:05:43.883196  progress  50% (98MB)
   94 02:05:44.519234  progress  55% (108MB)
   95 02:05:45.213538  progress  60% (118MB)
   96 02:05:45.364867  progress  65% (128MB)
   97 02:05:45.511028  progress  70% (138MB)
   98 02:05:45.608169  progress  75% (148MB)
   99 02:05:45.683174  progress  80% (158MB)
  100 02:05:45.757231  progress  85% (167MB)
  101 02:05:45.859173  progress  90% (177MB)
  102 02:05:46.125061  progress  95% (187MB)
  103 02:05:46.700770  progress 100% (197MB)
  104 02:05:46.706298  197MB downloaded in 8.00s (24.69MB/s)
  105 02:05:46.706584  end: 1.3.1 http-download (duration 00:00:08) [common]
  107 02:05:46.706849  end: 1.3 download-retry (duration 00:00:08) [common]
  108 02:05:46.706940  start: 1.4 download-retry (timeout 00:09:52) [common]
  109 02:05:46.707031  start: 1.4.1 http-download (timeout 00:09:52) [common]
  110 02:05:46.707178  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-8-gc3d08808cfa7/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/modules.tar.xz
  111 02:05:46.707250  saving as /var/lib/lava/dispatcher/tmp/10716722/tftp-deploy-tkgwk6jk/modules/modules.tar
  112 02:05:46.707312  total size: 3416488 (3MB)
  113 02:05:46.707375  Using unxz to decompress xz
  114 02:05:46.711113  progress   0% (0MB)
  115 02:05:46.716746  progress   5% (0MB)
  116 02:05:46.728930  progress  10% (0MB)
  117 02:05:46.738951  progress  15% (0MB)
  118 02:05:46.749207  progress  20% (0MB)
  119 02:05:46.761041  progress  25% (0MB)
  120 02:05:46.770628  progress  30% (1MB)
  121 02:05:46.779700  progress  35% (1MB)
  122 02:05:46.789814  progress  40% (1MB)
  123 02:05:46.799392  progress  45% (1MB)
  124 02:05:46.810952  progress  50% (1MB)
  125 02:05:46.820538  progress  55% (1MB)
  126 02:05:46.830054  progress  60% (1MB)
  127 02:05:46.839569  progress  65% (2MB)
  128 02:05:46.849271  progress  70% (2MB)
  129 02:05:46.859768  progress  75% (2MB)
  130 02:05:46.869063  progress  80% (2MB)
  131 02:05:46.881585  progress  85% (2MB)
  132 02:05:46.890037  progress  90% (2MB)
  133 02:05:46.899289  progress  95% (3MB)
  134 02:05:46.910064  progress 100% (3MB)
  135 02:05:46.916483  3MB downloaded in 0.21s (15.58MB/s)
  136 02:05:46.916734  end: 1.4.1 http-download (duration 00:00:00) [common]
  138 02:05:46.916996  end: 1.4 download-retry (duration 00:00:00) [common]
  139 02:05:46.917090  start: 1.5 prepare-tftp-overlay (timeout 00:09:52) [common]
  140 02:05:46.917185  start: 1.5.1 extract-nfsrootfs (timeout 00:09:52) [common]
  141 02:05:50.049074  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/10716722/extract-nfsrootfs-u07vnftj
  142 02:05:50.049296  end: 1.5.1 extract-nfsrootfs (duration 00:00:03) [common]
  143 02:05:50.049413  start: 1.5.2 lava-overlay (timeout 00:09:49) [common]
  144 02:05:50.049707  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi
  145 02:05:50.049892  makedir: /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin
  146 02:05:50.049991  makedir: /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/tests
  147 02:05:50.050097  makedir: /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/results
  148 02:05:50.050196  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-add-keys
  149 02:05:50.050334  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-add-sources
  150 02:05:50.050483  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-background-process-start
  151 02:05:50.050602  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-background-process-stop
  152 02:05:50.050719  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-common-functions
  153 02:05:50.050835  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-echo-ipv4
  154 02:05:50.050950  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-install-packages
  155 02:05:50.051064  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-installed-packages
  156 02:05:50.051177  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-os-build
  157 02:05:50.051293  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-probe-channel
  158 02:05:50.051407  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-probe-ip
  159 02:05:50.051523  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-target-ip
  160 02:05:50.051638  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-target-mac
  161 02:05:50.051752  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-target-storage
  162 02:05:50.051870  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-test-case
  163 02:05:50.051986  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-test-event
  164 02:05:50.052101  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-test-feedback
  165 02:05:50.052216  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-test-raise
  166 02:05:50.052330  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-test-reference
  167 02:05:50.052450  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-test-runner
  168 02:05:50.052565  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-test-set
  169 02:05:50.052680  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-test-shell
  170 02:05:50.052797  Updating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-add-keys (debian)
  171 02:05:50.052939  Updating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-add-sources (debian)
  172 02:05:50.053069  Updating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-install-packages (debian)
  173 02:05:50.053198  Updating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-installed-packages (debian)
  174 02:05:50.053324  Updating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/bin/lava-os-build (debian)
  175 02:05:50.053437  Creating /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/environment
  176 02:05:50.053580  LAVA metadata
  177 02:05:50.053648  - LAVA_JOB_ID=10716722
  178 02:05:50.053709  - LAVA_DISPATCHER_IP=192.168.201.1
  179 02:05:50.053805  start: 1.5.2.1 lava-vland-overlay (timeout 00:09:48) [common]
  180 02:05:50.053871  skipped lava-vland-overlay
  181 02:05:50.053943  end: 1.5.2.1 lava-vland-overlay (duration 00:00:00) [common]
  182 02:05:50.054020  start: 1.5.2.2 lava-multinode-overlay (timeout 00:09:48) [common]
  183 02:05:50.054079  skipped lava-multinode-overlay
  184 02:05:50.054148  end: 1.5.2.2 lava-multinode-overlay (duration 00:00:00) [common]
  185 02:05:50.054238  start: 1.5.2.3 test-definition (timeout 00:09:48) [common]
  186 02:05:50.054309  Loading test definitions
  187 02:05:50.054396  start: 1.5.2.3.1 inline-repo-action (timeout 00:09:48) [common]
  188 02:05:50.054467  Using /lava-10716722 at stage 0
  189 02:05:50.054725  uuid=10716722_1.5.2.3.1 testdef=None
  190 02:05:50.054810  end: 1.5.2.3.1 inline-repo-action (duration 00:00:00) [common]
  191 02:05:50.054893  start: 1.5.2.3.2 test-overlay (timeout 00:09:48) [common]
  192 02:05:50.055320  end: 1.5.2.3.2 test-overlay (duration 00:00:00) [common]
  194 02:05:50.055533  start: 1.5.2.3.3 test-install-overlay (timeout 00:09:48) [common]
  195 02:05:50.056065  end: 1.5.2.3.3 test-install-overlay (duration 00:00:00) [common]
  197 02:05:50.056293  start: 1.5.2.3.4 test-runscript-overlay (timeout 00:09:48) [common]
  198 02:05:50.056807  runner path: /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/0/tests/0_timesync-off test_uuid 10716722_1.5.2.3.1
  199 02:05:50.056953  end: 1.5.2.3.4 test-runscript-overlay (duration 00:00:00) [common]
  201 02:05:50.057170  start: 1.5.2.3.5 git-repo-action (timeout 00:09:48) [common]
  202 02:05:50.057242  Using /lava-10716722 at stage 0
  203 02:05:50.057337  Fetching tests from https://github.com/kernelci/test-definitions.git
  204 02:05:50.057413  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/0/tests/1_kselftest-lkdtm'
  205 02:05:53.311604  Running '/usr/bin/git checkout kernelci.org
  206 02:05:53.452106  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  207 02:05:53.452793  uuid=10716722_1.5.2.3.5 testdef=None
  208 02:05:53.452955  end: 1.5.2.3.5 git-repo-action (duration 00:00:03) [common]
  210 02:05:53.453197  start: 1.5.2.3.6 test-overlay (timeout 00:09:45) [common]
  211 02:05:53.453968  end: 1.5.2.3.6 test-overlay (duration 00:00:00) [common]
  213 02:05:53.454198  start: 1.5.2.3.7 test-install-overlay (timeout 00:09:45) [common]
  214 02:05:53.455131  end: 1.5.2.3.7 test-install-overlay (duration 00:00:00) [common]
  216 02:05:53.455361  start: 1.5.2.3.8 test-runscript-overlay (timeout 00:09:45) [common]
  217 02:05:53.456382  runner path: /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/0/tests/1_kselftest-lkdtm test_uuid 10716722_1.5.2.3.5
  218 02:05:53.456473  BOARD='asus-C523NA-A20057-coral'
  219 02:05:53.456538  BRANCH='cip-gitlab'
  220 02:05:53.456598  SKIPFILE='/dev/null'
  221 02:05:53.456657  SKIP_INSTALL='True'
  222 02:05:53.456712  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-8-gc3d08808cfa7/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz'
  223 02:05:53.456771  TST_CASENAME=''
  224 02:05:53.456825  TST_CMDFILES='lkdtm'
  225 02:05:53.456960  end: 1.5.2.3.8 test-runscript-overlay (duration 00:00:00) [common]
  227 02:05:53.457166  Creating lava-test-runner.conf files
  228 02:05:53.457228  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/10716722/lava-overlay-l7kv8uwi/lava-10716722/0 for stage 0
  229 02:05:53.457317  - 0_timesync-off
  230 02:05:53.457386  - 1_kselftest-lkdtm
  231 02:05:53.457481  end: 1.5.2.3 test-definition (duration 00:00:03) [common]
  232 02:05:53.457626  start: 1.5.2.4 compress-overlay (timeout 00:09:45) [common]
  233 02:06:00.790797  end: 1.5.2.4 compress-overlay (duration 00:00:07) [common]
  234 02:06:00.790959  start: 1.5.2.5 persistent-nfs-overlay (timeout 00:09:38) [common]
  235 02:06:00.791052  end: 1.5.2.5 persistent-nfs-overlay (duration 00:00:00) [common]
  236 02:06:00.791153  end: 1.5.2 lava-overlay (duration 00:00:11) [common]
  237 02:06:00.791243  start: 1.5.3 extract-overlay-ramdisk (timeout 00:09:38) [common]
  238 02:06:00.918196  end: 1.5.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  239 02:06:00.918549  start: 1.5.4 extract-modules (timeout 00:09:38) [common]
  240 02:06:00.918664  extracting modules file /var/lib/lava/dispatcher/tmp/10716722/tftp-deploy-tkgwk6jk/modules/modules.tar to /var/lib/lava/dispatcher/tmp/10716722/extract-nfsrootfs-u07vnftj
  241 02:06:00.995447  extracting modules file /var/lib/lava/dispatcher/tmp/10716722/tftp-deploy-tkgwk6jk/modules/modules.tar to /var/lib/lava/dispatcher/tmp/10716722/extract-overlay-ramdisk-qv6kw_71/ramdisk
  242 02:06:01.074442  end: 1.5.4 extract-modules (duration 00:00:00) [common]
  243 02:06:01.074623  start: 1.5.5 apply-overlay-tftp (timeout 00:09:37) [common]
  244 02:06:01.074721  [common] Applying overlay to NFS
  245 02:06:01.074793  [common] Applying overlay /var/lib/lava/dispatcher/tmp/10716722/compress-overlay-rp1t0sez/overlay-1.5.2.4.tar.gz to directory /var/lib/lava/dispatcher/tmp/10716722/extract-nfsrootfs-u07vnftj
  246 02:06:01.954455  end: 1.5.5 apply-overlay-tftp (duration 00:00:01) [common]
  247 02:06:01.954626  start: 1.5.6 configure-preseed-file (timeout 00:09:37) [common]
  248 02:06:01.954723  end: 1.5.6 configure-preseed-file (duration 00:00:00) [common]
  249 02:06:01.954821  start: 1.5.7 compress-ramdisk (timeout 00:09:37) [common]
  250 02:06:01.954905  Building ramdisk /var/lib/lava/dispatcher/tmp/10716722/extract-overlay-ramdisk-qv6kw_71/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/10716722/extract-overlay-ramdisk-qv6kw_71/ramdisk
  251 02:06:02.127318  >> 69093 blocks

  252 02:06:03.259586  rename /var/lib/lava/dispatcher/tmp/10716722/extract-overlay-ramdisk-qv6kw_71/ramdisk.cpio.gz to /var/lib/lava/dispatcher/tmp/10716722/tftp-deploy-tkgwk6jk/ramdisk/ramdisk.cpio.gz
  253 02:06:03.260012  end: 1.5.7 compress-ramdisk (duration 00:00:01) [common]
  254 02:06:03.260137  start: 1.5.8 prepare-kernel (timeout 00:09:35) [common]
  255 02:06:03.260240  start: 1.5.8.1 prepare-fit (timeout 00:09:35) [common]
  256 02:06:03.260333  No mkimage arch provided, not using FIT.
  257 02:06:03.260423  end: 1.5.8.1 prepare-fit (duration 00:00:00) [common]
  258 02:06:03.260505  end: 1.5.8 prepare-kernel (duration 00:00:00) [common]
  259 02:06:03.260611  end: 1.5 prepare-tftp-overlay (duration 00:00:16) [common]
  260 02:06:03.260702  start: 1.6 lxc-create-udev-rule-action (timeout 00:09:35) [common]
  261 02:06:03.260779  No LXC device requested
  262 02:06:03.260861  end: 1.6 lxc-create-udev-rule-action (duration 00:00:00) [common]
  263 02:06:03.260953  start: 1.7 deploy-device-env (timeout 00:09:35) [common]
  264 02:06:03.261039  end: 1.7 deploy-device-env (duration 00:00:00) [common]
  265 02:06:03.261149  Checking files for TFTP limit of 4294967296 bytes.
  266 02:06:03.261661  end: 1 tftp-deploy (duration 00:00:25) [common]
  267 02:06:03.261770  start: 2 depthcharge-action (timeout 00:05:00) [common]
  268 02:06:03.261861  start: 2.1 depthcharge-overlay (timeout 00:05:00) [common]
  269 02:06:03.261988  substitutions:
  270 02:06:03.262058  - {DTB}: None
  271 02:06:03.262122  - {INITRD}: 10716722/tftp-deploy-tkgwk6jk/ramdisk/ramdisk.cpio.gz
  272 02:06:03.262181  - {KERNEL}: 10716722/tftp-deploy-tkgwk6jk/kernel/bzImage
  273 02:06:03.262238  - {LAVA_MAC}: None
  274 02:06:03.262297  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/10716722/extract-nfsrootfs-u07vnftj
  275 02:06:03.262354  - {NFS_SERVER_IP}: 192.168.201.1
  276 02:06:03.262408  - {PRESEED_CONFIG}: None
  277 02:06:03.262462  - {PRESEED_LOCAL}: None
  278 02:06:03.262517  - {RAMDISK}: 10716722/tftp-deploy-tkgwk6jk/ramdisk/ramdisk.cpio.gz
  279 02:06:03.262573  - {ROOT_PART}: None
  280 02:06:03.262627  - {ROOT}: None
  281 02:06:03.262681  - {SERVER_IP}: 192.168.201.1
  282 02:06:03.262735  - {TEE}: None
  283 02:06:03.262789  Parsed boot commands:
  284 02:06:03.262843  - enet dhcp
  285 02:06:03.262897  - tftpboot 192.168.201.1 {DEPTHCHARGE_KERNEL} {CMDLINE} {DEPTHCHARGE_RAMDISK}
  286 02:06:03.263068  Parsed boot commands: enet dhcp; tftpboot 192.168.201.1 10716722/tftp-deploy-tkgwk6jk/kernel/bzImage 10716722/tftp-deploy-tkgwk6jk/kernel/cmdline 10716722/tftp-deploy-tkgwk6jk/ramdisk/ramdisk.cpio.gz
  287 02:06:03.263161  end: 2.1 depthcharge-overlay (duration 00:00:00) [common]
  288 02:06:03.263243  start: 2.2 depthcharge-retry (timeout 00:05:00) [common]
  289 02:06:03.263335  start: 2.2.1 reset-connection (timeout 00:05:00) [common]
  290 02:06:03.263420  start: 2.2.1.1 disconnect-device (timeout 00:05:00) [common]
  291 02:06:03.263489  Not connected, no need to disconnect.
  292 02:06:03.263563  end: 2.2.1.1 disconnect-device (duration 00:00:00) [common]
  293 02:06:03.263643  start: 2.2.1.2 connect-device (timeout 00:05:00) [common]
  294 02:06:03.263709  [common] connect-device Connecting to device using '/usr/bin/console -k -f -M localhost asus-C523NA-A20057-coral-cbg-1'
  295 02:06:03.267125  Setting prompt string to ['lava-test: # ']
  296 02:06:03.267503  end: 2.2.1.2 connect-device (duration 00:00:00) [common]
  297 02:06:03.267609  end: 2.2.1 reset-connection (duration 00:00:00) [common]
  298 02:06:03.267709  start: 2.2.2 reset-device (timeout 00:05:00) [common]
  299 02:06:03.267803  start: 2.2.2.1 pdu-reboot (timeout 00:05:00) [common]
  300 02:06:03.267989  Calling: 'pduclient' '--daemon=localhost' '--hostname=asus-C523NA-A20057-coral-cbg-1' '--port=1' '--command=reboot'
  301 02:06:08.405802  >> Command sent successfully.

  302 02:06:08.417003  Returned 0 in 5 seconds
  303 02:06:08.518262  end: 2.2.2.1 pdu-reboot (duration 00:00:05) [common]
  305 02:06:08.519665  end: 2.2.2 reset-device (duration 00:00:05) [common]
  306 02:06:08.520183  start: 2.2.3 depthcharge-start (timeout 00:04:55) [common]
  307 02:06:08.520626  Setting prompt string to 'Starting depthcharge on coral...'
  308 02:06:08.521017  Changing prompt to 'Starting depthcharge on coral...'
  309 02:06:08.521370  depthcharge-start: Wait for prompt Starting depthcharge on coral... (timeout 00:05:00)
  310 02:06:08.522583  [Enter `^Ec?' for help]

  311 02:06:09.267020  

  312 02:06:09.267639  

  313 02:06:09.275546  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting...

  314 02:06:09.280744  LPC: Trying to open IO window from 800 size 1ff

  315 02:06:09.285725  LPC: Opened IO window LGIR0: base 800 size 100

  316 02:06:09.290986  LPC: Opened IO window LGIR1: base 900 size 100

  317 02:06:09.292937  VBOOT: Loading verstage.

  318 02:06:09.296635  FMAP: Found "FLASH" version 1.1 at 204000.

  319 02:06:09.301016  FMAP: base = 0 size = 1000000 #areas = 35

  320 02:06:09.306583  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  321 02:06:09.308994  CBFS @ 205000 size 17b000

  322 02:06:09.314360  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  323 02:06:09.317738  CBFS: Locating 'fallback/verstage'

  324 02:06:09.321284  CBFS: Found @ offset ba4c0 size fab4

  325 02:06:09.328303  

  326 02:06:09.328838  

  327 02:06:09.337520  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting...

  328 02:06:09.341186  LPSS I2C bus 2 at 0xfe022000 (400 KHz)

  329 02:06:09.343550  TPM ready after 4 ms

  330 02:06:09.348076  cr50 TPM 2.0 (i2c 2:0x50 id 0x28)

  331 02:06:09.371088  setup_tpm():514: TPM: SetupTPM() succeeded

  332 02:06:09.388683  src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0

  333 02:06:09.390091  Phase 1

  334 02:06:09.395239  FMAP: Found "FLASH" version 1.1 at 204000.

  335 02:06:09.401150  FMAP: base = 0 size = 1000000 #areas = 35

  336 02:06:09.405291  FMAP: area GBB found @ 380000 (262144 bytes)

  337 02:06:09.409972  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0

  338 02:06:09.410979  Phase 2

  339 02:06:09.411876  Phase 3

  340 02:06:09.415764  FMAP: area GBB found @ 380000 (262144 bytes)

  341 02:06:09.422507  VB2:vb2_report_dev_firmware() This is developer signed firmware

  342 02:06:09.427884  FMAP: area VBLOCK_A found @ 430000 (65536 bytes)

  343 02:06:09.432454  FMAP: area VBLOCK_A found @ 430000 (65536 bytes)

  344 02:06:09.438400  VB2:vb2_verify_keyblock() Checking key block signature...

  345 02:06:09.477630  FMAP: area VBLOCK_A found @ 430000 (65536 bytes)

  346 02:06:09.482366  FMAP: area VBLOCK_A found @ 430000 (65536 bytes)

  347 02:06:09.487316  VB2:vb2_verify_fw_preamble() Verifying preamble.

  348 02:06:09.497271  Phase 4

  349 02:06:09.501958  FMAP: area FW_MAIN_A found @ 440000 (4652992 bytes)

  350 02:06:09.509333  VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW

  351 02:06:09.655297  VB2:vb2_rsa_verify_digest() Digest check failed!

  352 02:06:09.660676  VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7

  353 02:06:09.662143  Saving nvdata

  354 02:06:09.665539  Reboot requested (10020007)

  355 02:06:09.667050  hard_reset() called!

  356 02:06:09.670220  CSE is not yet ready, waiting

  357 02:06:10.678776  CSE timed out. Resetting

  358 02:06:15.022982  

  359 02:06:15.023549  

  360 02:06:15.031663  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting...

  361 02:06:15.037058  LPC: Trying to open IO window from 800 size 1ff

  362 02:06:15.041753  LPC: Opened IO window LGIR0: base 800 size 100

  363 02:06:15.047462  LPC: Opened IO window LGIR1: base 900 size 100

  364 02:06:15.049929  VBOOT: Loading verstage.

  365 02:06:15.053222  FMAP: Found "FLASH" version 1.1 at 204000.

  366 02:06:15.058178  FMAP: base = 0 size = 1000000 #areas = 35

  367 02:06:15.062347  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  368 02:06:15.065418  CBFS @ 205000 size 17b000

  369 02:06:15.070444  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  370 02:06:15.073925  CBFS: Locating 'fallback/verstage'

  371 02:06:15.077765  CBFS: Found @ offset ba4c0 size fab4

  372 02:06:15.085682  

  373 02:06:15.086064  

  374 02:06:15.093906  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting...

  375 02:06:15.097711  LPSS I2C bus 2 at 0xfe022000 (400 KHz)

  376 02:06:15.100362  TPM ready after 4 ms

  377 02:06:15.104464  cr50 TPM 2.0 (i2c 2:0x50 id 0x28)

  378 02:06:15.127762  setup_tpm():514: TPM: SetupTPM() succeeded

  379 02:06:15.144891  src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0

  380 02:06:15.145950  Phase 1

  381 02:06:15.150540  FMAP: Found "FLASH" version 1.1 at 204000.

  382 02:06:15.154422  FMAP: base = 0 size = 1000000 #areas = 35

  383 02:06:15.159688  FMAP: area GBB found @ 380000 (262144 bytes)

  384 02:06:15.166008  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7

  385 02:06:15.172475  VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0

  386 02:06:15.175804  Recovery requested (1009000e)

  387 02:06:15.177131  Saving nvdata

  388 02:06:15.193398  tlcl_extend: response is 0

  389 02:06:15.209035  tlcl_extend: response is 0

  390 02:06:15.214990  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  391 02:06:15.217899  CBFS @ 205000 size 17b000

  392 02:06:15.222826  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  393 02:06:15.226583  CBFS: Locating 'fallback/romstage'

  394 02:06:15.229424  CBFS: Found @ offset 80 size 11c5c

  395 02:06:15.237898  

  396 02:06:15.238500  

  397 02:06:15.246569  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting...

  398 02:06:15.251379  pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00

  399 02:06:15.255433  gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000

  400 02:06:15.259590  gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000

  401 02:06:15.265187  gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000

  402 02:06:15.268839  gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000

  403 02:06:15.272515  prsts: 00000000 tco_sts: 00000000

  404 02:06:15.277650  gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000

  405 02:06:15.280108  prev_sleep_state 0

  406 02:06:15.283853  Boot Count incremented to 84268

  407 02:06:15.287710  FMAP: Found "FLASH" version 1.1 at 204000.

  408 02:06:15.292230  FMAP: base = 0 size = 1000000 #areas = 35

  409 02:06:15.300891  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  410 02:06:15.301640  CBFS @ 205000 size 17b000

  411 02:06:15.304849  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  412 02:06:15.307609  CBFS: Locating 'fspm.bin'

  413 02:06:15.311236  CBFS: Found @ offset 2efc0 size 59000

  414 02:06:15.353133  FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes)

  415 02:06:15.363394  Locality already claimed

  416 02:06:15.367200  cr50 TPM 2.0 (i2c 2:0x50 id 0x28)

  417 02:06:15.385338  src/lib/tpm2_tlcl.c:208 index 0x100b return code 0

  418 02:06:15.392117  MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE

  419 02:06:15.395592  MRC cache found, size b2c0 bootmode:2

  420 02:06:15.397732  LPDDR4 SKU id = 0x1

  421 02:06:15.401905  LP4DDR speed is 2400MHz

  422 02:06:15.402818  LPDDR4 Ch0 density = 2

  423 02:06:15.405007  LPDDR4 Ch1 density = 2

  424 02:06:15.410822  FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes)

  425 02:06:15.607741  CBMEM:

  426 02:06:15.611119  IMD: root @ 7afff000 254 entries.

  427 02:06:15.613841  IMD: root @ 7affec00 62 entries.

  428 02:06:15.617324  External stage cache:

  429 02:06:15.623112  IMD: root @ 7b7ff000 254 entries.

  430 02:06:15.624465  IMD: root @ 7b7fec00 62 entries.

  431 02:06:15.627389  creating vboot_handoff structure

  432 02:06:15.631991  Chrome EC: clear events_b mask to 0x21004000

  433 02:06:15.665099  src/lib/tpm2_tlcl.c:208 index 0x100b return code 0

  434 02:06:15.680982  tlcl_write: response is 0

  435 02:06:15.699176  src/lib/tpm2_tlcl.c:208 index 0x100b return code 0

  436 02:06:15.703151  MRC: TPM MRC hash updated successfully.

  437 02:06:15.706218  CPU: frequency set to 2500 MHz

  438 02:06:15.709765  4 DIMMs found

  439 02:06:15.714149  MTRR Range: Start=7a000000 End=7b000000 (Size 1000000)

  440 02:06:15.719162  MTRR Range: Start=ff000000 End=0 (Size 1000000)

  441 02:06:15.723842  MTRR Range: Start=7b000000 End=7b800000 (Size 800000)

  442 02:06:15.729156  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  443 02:06:15.731760  CBFS @ 205000 size 17b000

  444 02:06:15.736618  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  445 02:06:15.740006  CBFS: Locating 'fallback/postcar'

  446 02:06:15.744488  CBFS: Found @ offset b3000 size 45b8

  447 02:06:15.750046  Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes)

  448 02:06:15.760541  Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648

  449 02:06:15.765420  Processing 131 relocs. Offset value of 0x78bc6000

  450 02:06:15.767824  

  451 02:06:15.768310  

  452 02:06:15.777579  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting...

  453 02:06:15.782444  FMAP: Found "FLASH" version 1.1 at 204000.

  454 02:06:15.785397  FMAP: base = 0 size = 1000000 #areas = 35

  455 02:06:15.790278  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  456 02:06:15.793142  CBFS @ 205000 size 17b000

  457 02:06:15.798381  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  458 02:06:15.801601  CBFS: Locating 'fallback/ramstage'

  459 02:06:15.805467  CBFS: Found @ offset 15dc0 size 17c31

  460 02:06:15.812221  Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes)

  461 02:06:15.847021  Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0

  462 02:06:15.851860  Processing 2993 relocs. Offset value of 0x7aa78000

  463 02:06:15.853150  

  464 02:06:15.853660  

  465 02:06:15.862389  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting...

  466 02:06:15.866339  FMAP: Found "FLASH" version 1.1 at 204000.

  467 02:06:15.870646  FMAP: base = 0 size = 1000000 #areas = 35

  468 02:06:15.875365  FMAP: area RO_VPD found @ 200000 (16384 bytes)

  469 02:06:15.879690  WARNING: RO_VPD is uninitialized or empty.

  470 02:06:15.884196  FMAP: area RW_VPD found @ 428000 (8192 bytes)

  471 02:06:15.888452  FMAP: area RW_VPD found @ 428000 (8192 bytes)

  472 02:06:15.889951  Normal boot.

  473 02:06:15.895337  BS: BS_PRE_DEVICE times (us): entry 2 run 32 exit 0

  474 02:06:15.899260  Board ID: 5

  475 02:06:15.904555  mainboard: EC init

  476 02:06:15.908786  Chrome EC: Set WAKE mask to 0x00000000

  477 02:06:15.915689  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  478 02:06:15.916894  CBFS @ 205000 size 17b000

  479 02:06:15.922488  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  480 02:06:15.924681  CBFS: Locating 'fsps.bin'

  481 02:06:15.928716  CBFS: Found @ offset 88fc0 size 2a000

  482 02:06:15.952271  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  483 02:06:15.954744  CBFS @ 205000 size 17b000

  484 02:06:15.960330  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  485 02:06:15.962692  CBFS: Locating 'vbt-babytiger.bin'

  486 02:06:15.966709  CBFS: Found @ offset 155800 size 528

  487 02:06:15.972057  Found a VBT of 6656 bytes after decompression

  488 02:06:16.146540  ITSS IRQ Polarities Before:

  489 02:06:16.147507  IPC0: 0xffffeef8

  490 02:06:16.149601  IPC1: 0xffffffff

  491 02:06:16.151322  IPC2: 0xffffffff

  492 02:06:16.153268  IPC3: 0x00ffffff

  493 02:06:16.154726  ITSS IRQ Polarities After:

  494 02:06:16.156971  IPC0: 0xffffeef8

  495 02:06:16.158997  IPC1: 0x4a07ffff

  496 02:06:16.160927  IPC2: 0x08000000

  497 02:06:16.162469  IPC3: 0x00a11000

  498 02:06:16.164820  RAPL PL1 12.0W

  499 02:06:16.165669  RAPL PL2 15.0W

  500 02:06:16.171971  BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 269594 exit 0

  501 02:06:16.174397  Enumerating buses...

  502 02:06:16.179649  Show all devs... Before device enumeration.

  503 02:06:16.184282  Root Device: enabled 1

  504 02:06:16.184885  CPU_CLUSTER: 0: enabled 1

  505 02:06:16.187750  APIC: 00: enabled 1

  506 02:06:16.188707  DOMAIN: 0000: enabled 1

  507 02:06:16.193438  PCI: 00:00.0: enabled 1

  508 02:06:16.193978  PCI: 00:00.1: enabled 1

  509 02:06:16.195400  PCI: 00:00.2: enabled 1

  510 02:06:16.199241  PCI: 00:02.0: enabled 1

  511 02:06:16.201004  PCI: 00:03.0: enabled 1

  512 02:06:16.202837  PCI: 00:0d.0: enabled 1

  513 02:06:16.205337  PCI: 00:0d.1: enabled 1

  514 02:06:16.209012  PCI: 00:0d.2: enabled 1

  515 02:06:16.210819  PCI: 00:0d.3: enabled 1

  516 02:06:16.213729  PCI: 00:0e.0: enabled 1

  517 02:06:16.215011  GENERIC: 0.0: enabled 1

  518 02:06:16.217344  PCI: 00:11.0: enabled 0

  519 02:06:16.219795  PCI: 00:12.0: enabled 0

  520 02:06:16.222314  PCI: 00:13.0: enabled 0

  521 02:06:16.224348  PCI: 00:13.1: enabled 0

  522 02:06:16.227339  PCI: 00:13.2: enabled 0

  523 02:06:16.230138  PCI: 00:13.3: enabled 0

  524 02:06:16.232403  PCI: 00:14.0: enabled 1

  525 02:06:16.234087  PCI: 00:00.0: enabled 1

  526 02:06:16.237844  PCI: 00:14.1: enabled 0

  527 02:06:16.239922  PCI: 00:15.0: enabled 1

  528 02:06:16.243652  PCI: 00:15.1: enabled 0

  529 02:06:16.244656  PCI: 00:16.0: enabled 1

  530 02:06:16.246891  I2C: 00:1a: enabled 1

  531 02:06:16.252692  PCI: 00:16.1: enabled 1

  532 02:06:16.253311  PCI: 00:16.2: enabled 1

  533 02:06:16.254177  I2C: 00:50: enabled 1

  534 02:06:16.255965  PCI: 00:16.3: enabled 1

  535 02:06:16.258745  I2C: 00:10: enabled 1

  536 02:06:16.260983  I2C: 00:39: enabled 1

  537 02:06:16.263376  PCI: 00:17.0: enabled 1

  538 02:06:16.265402  I2C: 00:15: enabled 1

  539 02:06:16.267291  I2C: 00:2c: enabled 1

  540 02:06:16.270859  PCI: 00:17.1: enabled 1

  541 02:06:16.271933  I2C: 00:09: enabled 1

  542 02:06:16.274589  PCI: 00:17.2: enabled 0

  543 02:06:16.280222  PCI: 00:17.3: enabled 0

  544 02:06:16.280908  PCI: 00:18.0: enabled 1

  545 02:06:16.281750  PCI: 00:18.1: enabled 1

  546 02:06:16.286211  PCI: 00:18.2: enabled 1

  547 02:06:16.287133  PCI: 00:18.3: enabled 0

  548 02:06:16.289160  PCI: 00:19.0: enabled 1

  549 02:06:16.292423  PCI: 00:19.1: enabled 0

  550 02:06:16.293837  PCI: 00:19.2: enabled 0

  551 02:06:16.296663  PCI: 00:1a.0: enabled 1

  552 02:06:16.299378  PCI: 00:1b.0: enabled 1

  553 02:06:16.301949  PCI: 00:1c.0: enabled 1

  554 02:06:16.303826  PCI: 00:1e.0: enabled 0

  555 02:06:16.307152  PCI: 00:1f.0: enabled 1

  556 02:06:16.309051  PNP: 0c09.0: enabled 1

  557 02:06:16.311027  PCI: 00:1f.1: enabled 1

  558 02:06:16.313059  Compare with tree...

  559 02:06:16.315880  Root Device: enabled 1

  560 02:06:16.319776   CPU_CLUSTER: 0: enabled 1

  561 02:06:16.320683    APIC: 00: enabled 1

  562 02:06:16.322745   DOMAIN: 0000: enabled 1

  563 02:06:16.325911    PCI: 00:00.0: enabled 1

  564 02:06:16.329282    PCI: 00:00.1: enabled 1

  565 02:06:16.331107    PCI: 00:00.2: enabled 1

  566 02:06:16.333720    PCI: 00:02.0: enabled 1

  567 02:06:16.336799    PCI: 00:03.0: enabled 1

  568 02:06:16.339828    PCI: 00:0d.0: enabled 1

  569 02:06:16.342706    PCI: 00:0d.1: enabled 1

  570 02:06:16.344149    PCI: 00:0d.2: enabled 1

  571 02:06:16.347006    PCI: 00:0d.3: enabled 1

  572 02:06:16.349274    PCI: 00:0e.0: enabled 1

  573 02:06:16.351739     GENERIC: 0.0: enabled 1

  574 02:06:16.357225    PCI: 00:11.0: enabled 0

  575 02:06:16.357765    PCI: 00:12.0: enabled 0

  576 02:06:16.362464    PCI: 00:13.0: enabled 0

  577 02:06:16.366211    PCI: 00:13.1: enabled 0

  578 02:06:16.366706    PCI: 00:13.2: enabled 0

  579 02:06:16.367801    PCI: 00:13.3: enabled 0

  580 02:06:16.371762    PCI: 00:14.0: enabled 1

  581 02:06:16.373125     PCI: 00:00.0: enabled 1

  582 02:06:16.375689    PCI: 00:14.1: enabled 0

  583 02:06:16.377776    PCI: 00:15.0: enabled 1

  584 02:06:16.380461    PCI: 00:15.1: enabled 0

  585 02:06:16.385321    PCI: 00:16.0: enabled 1

  586 02:06:16.388722     I2C: 00:1a: enabled 1

  587 02:06:16.389703    PCI: 00:16.1: enabled 1

  588 02:06:16.391930    PCI: 00:16.2: enabled 1

  589 02:06:16.394862     I2C: 00:50: enabled 1

  590 02:06:16.396450    PCI: 00:16.3: enabled 1

  591 02:06:16.398678     I2C: 00:10: enabled 1

  592 02:06:16.402645     I2C: 00:39: enabled 1

  593 02:06:16.405992    PCI: 00:17.0: enabled 1

  594 02:06:16.407023     I2C: 00:15: enabled 1

  595 02:06:16.410325     I2C: 00:2c: enabled 1

  596 02:06:16.412436    PCI: 00:17.1: enabled 1

  597 02:06:16.414330     I2C: 00:09: enabled 1

  598 02:06:16.416683    PCI: 00:17.2: enabled 0

  599 02:06:16.420905    PCI: 00:17.3: enabled 0

  600 02:06:16.424241    PCI: 00:18.0: enabled 1

  601 02:06:16.425586    PCI: 00:18.1: enabled 1

  602 02:06:16.427989    PCI: 00:18.2: enabled 1

  603 02:06:16.430457    PCI: 00:18.3: enabled 0

  604 02:06:16.433634    PCI: 00:19.0: enabled 1

  605 02:06:16.436114    PCI: 00:19.1: enabled 0

  606 02:06:16.440310    PCI: 00:19.2: enabled 0

  607 02:06:16.443726    PCI: 00:1a.0: enabled 1

  608 02:06:16.444316    PCI: 00:1b.0: enabled 1

  609 02:06:16.445637    PCI: 00:1c.0: enabled 1

  610 02:06:16.448955    PCI: 00:1e.0: enabled 0

  611 02:06:16.451091    PCI: 00:1f.0: enabled 1

  612 02:06:16.454236     PNP: 0c09.0: enabled 1

  613 02:06:16.456730    PCI: 00:1f.1: enabled 1

  614 02:06:16.458556  Root Device scanning...

  615 02:06:16.462750  root_dev_scan_bus for Root Device

  616 02:06:16.465067  CPU_CLUSTER: 0 enabled

  617 02:06:16.467516  DOMAIN: 0000 enabled

  618 02:06:16.469285  DOMAIN: 0000 scanning...

  619 02:06:16.472417  PCI: pci_scan_bus for bus 00

  620 02:06:16.476685  PCI: 00:00.0 [8086/0000] ops

  621 02:06:16.479953  PCI: 00:00.0 [8086/5af0] enabled

  622 02:06:16.482794  PCI: 00:00.1 [8086/5a8c] enabled

  623 02:06:16.485370  PCI: 00:00.2 [8086/5a8e] enabled

  624 02:06:16.488288  PCI: 00:02.0 [8086/0000] ops

  625 02:06:16.492867  PCI: 00:02.0 [8086/5a84] enabled

  626 02:06:16.494733  PCI: 00:03.0 [8086/5a88] enabled

  627 02:06:16.500022  PCI: 00:0d.0 [8086/0000] ops

  628 02:06:16.502936  PCI: 00:0d.0 [8086/5a92] enabled

  629 02:06:16.506050  PCI: 00:0d.1 [8086/0000] ops

  630 02:06:16.508414  PCI: 00:0d.1 [8086/5a94] enabled

  631 02:06:16.511443  PCI: 00:0d.2 [8086/5a96] enabled

  632 02:06:16.515454  PCI: 00:0d.3 [8086/0000] ops

  633 02:06:16.518015  PCI: 00:0d.3 [8086/5aec] enabled

  634 02:06:16.522095  PCI: 00:0e.0 [8086/0000] bus ops

  635 02:06:16.523488  PCI: 00:0e.0 [8086/5a98] enabled

  636 02:06:16.526495  PCI: 00:0f.0 [8086/0000] ops

  637 02:06:16.530285  PCI: 00:0f.0 [8086/5a9a] enabled

  638 02:06:16.533660  PCI: 00:0f.1 [8086/5a9c] enabled

  639 02:06:16.536603  PCI: 00:0f.2 [8086/5a9e] enabled

  640 02:06:16.540511  Capability: type 0x10 @ 0x40

  641 02:06:16.542771  Capability: type 0x05 @ 0x80

  642 02:06:16.546636  Capability: type 0x0d @ 0x90

  643 02:06:16.549226  Capability: type 0x01 @ 0xa0

  644 02:06:16.551542  Capability: type 0x10 @ 0x40

  645 02:06:16.555505  PCI: 00:14.0 subordinate bus PCI Express

  646 02:06:16.558764  PCI: 00:14.0 [8086/5ad6] enabled

  647 02:06:16.561575  PCI: 00:15.0 [8086/0000] ops

  648 02:06:16.564706  PCI: 00:15.0 [8086/5aa8] enabled

  649 02:06:16.568179  PCI: 00:16.0 [8086/0000] bus ops

  650 02:06:16.571515  PCI: 00:16.0 [8086/5aac] enabled

  651 02:06:16.576301  PCI: 00:16.1 [8086/0000] bus ops

  652 02:06:16.578500  PCI: 00:16.1 [8086/5aae] enabled

  653 02:06:16.582438  PCI: 00:16.2 [8086/0000] bus ops

  654 02:06:16.586302  PCI: 00:16.2 [8086/5ab0] enabled

  655 02:06:16.588223  PCI: 00:16.3 [8086/0000] bus ops

  656 02:06:16.593152  PCI: 00:16.3 [8086/5ab2] enabled

  657 02:06:16.594676  PCI: 00:17.0 [8086/0000] bus ops

  658 02:06:16.602959  PCI: 00:17.0 [8086/5ab4] enabled

  659 02:06:16.603603  PCI: 00:17.1 [8086/0000] bus ops

  660 02:06:16.604479  PCI: 00:17.1 [8086/5ab6] enabled

  661 02:06:16.607785  PCI: 00:18.0 [8086/0000] ops

  662 02:06:16.610765  PCI: 00:18.0 [8086/5abc] enabled

  663 02:06:16.613576  PCI: 00:18.1 [8086/0000] ops

  664 02:06:16.617904  PCI: 00:18.1 [8086/5abe] enabled

  665 02:06:16.622267  PCI: 00:18.2 [8086/0000] ops

  666 02:06:16.623332  PCI: 00:18.2 [8086/5ac0] enabled

  667 02:06:16.630367  PCI: 00:19.0 [8086/5ac2] enabled

  668 02:06:16.632453  PCI: Static device PCI: 00:1a.0 not found, disabling it.

  669 02:06:16.635124  PCI: 00:1b.0 [8086/0000] ops

  670 02:06:16.639496  PCI: 00:1b.0 [8086/5aca] enabled

  671 02:06:16.642177  PCI: 00:1c.0 [8086/5acc] enabled

  672 02:06:16.645842  PCI: 00:1f.0 [8086/0000] bus ops

  673 02:06:16.651952  PCI: 00:1f.0 [8086/5ae8] enabled

  674 02:06:16.652454  PCI: 00:1f.1 [8086/5ad4] enabled

  675 02:06:16.653966  PCI: 00:0e.0 scanning...

  676 02:06:16.656495  GENERIC: 0.0 enabled

  677 02:06:16.662669  scan_bus: scanning of bus PCI: 00:0e.0 took 4835 usecs

  678 02:06:16.664486  PCI: 00:14.0 scanning...

  679 02:06:16.668560  do_pci_scan_bridge for PCI: 00:14.0

  680 02:06:16.671404  PCI: pci_scan_bus for bus 01

  681 02:06:16.674429  PCI: 01:00.0 [8086/095a] enabled

  682 02:06:16.677629  Capability: type 0x01 @ 0xc8

  683 02:06:16.681104  Capability: type 0x05 @ 0xd0

  684 02:06:16.683936  Capability: type 0x10 @ 0x40

  685 02:06:16.687636  Capability: type 0x10 @ 0x40

  686 02:06:16.690136  Enabling Common Clock Configuration

  687 02:06:16.694867  L1 Sub-State supported from root port 20

  688 02:06:16.697199  L1 Sub-State Support = 0xf

  689 02:06:16.699853  CommonModeRestoreTime = 0x28

  690 02:06:16.705587  Power On Value = 0x1e, Power On Scale = 0x0

  691 02:06:16.706331  ASPM: Enabled L1

  692 02:06:16.708872  Capability: type 0x01 @ 0xc8

  693 02:06:16.711861  Capability: type 0x05 @ 0xd0

  694 02:06:16.715444  Capability: type 0x10 @ 0x40

  695 02:06:16.721215  scan_bus: scanning of bus PCI: 00:14.0 took 52729 usecs

  696 02:06:16.723187  PCI: 00:16.0 scanning...

  697 02:06:16.727054  scan_generic_bus for PCI: 00:16.0

  698 02:06:16.731502  bus: PCI: 00:16.0[0]->I2C: 01:1a enabled

  699 02:06:16.734644  scan_generic_bus for PCI: 00:16.0 done

  700 02:06:16.739631  scan_bus: scanning of bus PCI: 00:16.0 took 14052 usecs

  701 02:06:16.742882  PCI: 00:16.1 scanning...

  702 02:06:16.746841  scan_generic_bus for PCI: 00:16.1

  703 02:06:16.750479  scan_generic_bus for PCI: 00:16.1 done

  704 02:06:16.755715  scan_bus: scanning of bus PCI: 00:16.1 took 9989 usecs

  705 02:06:16.758234  PCI: 00:16.2 scanning...

  706 02:06:16.762049  scan_generic_bus for PCI: 00:16.2

  707 02:06:16.766463  bus: PCI: 00:16.2[0]->I2C: 02:50 enabled

  708 02:06:16.769902  scan_generic_bus for PCI: 00:16.2 done

  709 02:06:16.776230  scan_bus: scanning of bus PCI: 00:16.2 took 14055 usecs

  710 02:06:16.777842  PCI: 00:16.3 scanning...

  711 02:06:16.782350  scan_generic_bus for PCI: 00:16.3

  712 02:06:16.785930  bus: PCI: 00:16.3[0]->I2C: 03:10 enabled

  713 02:06:16.790221  bus: PCI: 00:16.3[0]->I2C: 03:39 enabled

  714 02:06:16.795952  scan_generic_bus for PCI: 00:16.3 done

  715 02:06:16.799700  scan_bus: scanning of bus PCI: 00:16.3 took 18138 usecs

  716 02:06:16.801947  PCI: 00:17.0 scanning...

  717 02:06:16.805626  scan_generic_bus for PCI: 00:17.0

  718 02:06:16.809574  bus: PCI: 00:17.0[0]->I2C: 04:15 enabled

  719 02:06:16.813986  bus: PCI: 00:17.0[0]->I2C: 04:2c enabled

  720 02:06:16.817475  scan_generic_bus for PCI: 00:17.0 done

  721 02:06:16.823116  scan_bus: scanning of bus PCI: 00:17.0 took 18144 usecs

  722 02:06:16.825201  PCI: 00:17.1 scanning...

  723 02:06:16.830654  scan_generic_bus for PCI: 00:17.1

  724 02:06:16.833555  bus: PCI: 00:17.1[0]->I2C: 05:09 enabled

  725 02:06:16.837072  scan_generic_bus for PCI: 00:17.1 done

  726 02:06:16.843250  scan_bus: scanning of bus PCI: 00:17.1 took 14050 usecs

  727 02:06:16.845208  PCI: 00:1f.0 scanning...

  728 02:06:16.848336  scan_lpc_bus for PCI: 00:1f.0

  729 02:06:16.850500  PNP: 0c09.0 enabled

  730 02:06:16.854316  scan_lpc_bus for PCI: 00:1f.0 done

  731 02:06:16.859523  scan_bus: scanning of bus PCI: 00:1f.0 took 11244 usecs

  732 02:06:16.865561  scan_bus: scanning of bus DOMAIN: 0000 took 390873 usecs

  733 02:06:16.869533  root_dev_scan_bus for Root Device done

  734 02:06:16.874652  scan_bus: scanning of bus Root Device took 410826 usecs

  735 02:06:16.875377  done

  736 02:06:16.882088  FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes)

  737 02:06:16.887494  MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'.

  738 02:06:16.895532  SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000

  739 02:06:16.908020  FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes)

  740 02:06:16.913266  MRC: Checking cached data update for 'RW_VAR_MRC_CACHE'.

  741 02:06:16.917539  MRC: cache data 'RW_VAR_MRC_CACHE' needs update.

  742 02:06:16.923183  FMAP: area RW_ELOG found @ 421000 (12288 bytes)

  743 02:06:16.926368  ELOG: NV offset 0x421000 size 0x3000

  744 02:06:16.934310  ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024

  745 02:06:16.940673  ELOG: Event(17) added with size 13 at 2023-06-14 02:06:16 UTC

  746 02:06:16.946093  POST: Unexpected post code in previous boot: 0x98

  747 02:06:16.952275  ELOG: Event(A3) added with size 11 at 2023-06-14 02:06:16 UTC

  748 02:06:16.958440  ELOG: Event(A6) added with size 13 at 2023-06-14 02:06:16 UTC

  749 02:06:16.964685  ELOG: Event(AA) added with size 11 at 2023-06-14 02:06:16 UTC

  750 02:06:16.971849  FMAP: area UNIFIED_MRC_CACHE found @ 400000 (135168 bytes)

  751 02:06:16.975173  SPI flash protection: WPSW=0 SRP0=0

  752 02:06:16.979188  MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'.

  753 02:06:16.985582  BS: BS_DEV_ENUMERATE times (us): entry 0 run 699887 exit 103136

  754 02:06:16.988365  found VGA at PCI: 00:02.0

  755 02:06:16.991975  Setting up VGA for PCI: 00:02.0

  756 02:06:16.996958  Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000

  757 02:06:17.001995  Setting PCI_BRIDGE_CTL_VGA for bridge Root Device

  758 02:06:17.004055  Allocating resources...

  759 02:06:17.006056  Reading resources...

  760 02:06:17.010360  Root Device read_resources bus 0 link: 0

  761 02:06:17.014951  CPU_CLUSTER: 0 read_resources bus 0 link: 0

  762 02:06:17.020111  CPU_CLUSTER: 0 read_resources bus 0 link: 0 done

  763 02:06:17.024740  DOMAIN: 0000 read_resources bus 0 link: 0

  764 02:06:17.030450  PCI: 00:0e.0 read_resources bus 0 link: 0

  765 02:06:17.034748  PCI: 00:0e.0 read_resources bus 0 link: 0 done

  766 02:06:17.039198  PCI: 00:14.0 read_resources bus 1 link: 0

  767 02:06:17.044402  PCI: 00:14.0 read_resources bus 1 link: 0 done

  768 02:06:17.049368  PCI: 00:16.0 read_resources bus 1 link: 0

  769 02:06:17.053087  PCI: 00:16.0 read_resources bus 1 link: 0 done

  770 02:06:17.057566  PCI: 00:16.2 read_resources bus 2 link: 0

  771 02:06:17.062560  PCI: 00:16.2 read_resources bus 2 link: 0 done

  772 02:06:17.067340  PCI: 00:16.3 read_resources bus 3 link: 0

  773 02:06:17.071078  PCI: 00:16.3 read_resources bus 3 link: 0 done

  774 02:06:17.075340  PCI: 00:17.0 read_resources bus 4 link: 0

  775 02:06:17.080058  PCI: 00:17.0 read_resources bus 4 link: 0 done

  776 02:06:17.084241  PCI: 00:17.1 read_resources bus 5 link: 0

  777 02:06:17.088885  PCI: 00:17.1 read_resources bus 5 link: 0 done

  778 02:06:17.093811  PCI: 00:1f.0 read_resources bus 0 link: 0

  779 02:06:17.098174  PCI: 00:1f.0 read_resources bus 0 link: 0 done

  780 02:06:17.103020  DOMAIN: 0000 read_resources bus 0 link: 0 done

  781 02:06:17.107574  Root Device read_resources bus 0 link: 0 done

  782 02:06:17.109557  Done reading resources.

  783 02:06:17.115577  Show resources in subtree (Root Device)...After reading.

  784 02:06:17.120525   Root Device child on link 0 CPU_CLUSTER: 0

  785 02:06:17.124210    CPU_CLUSTER: 0 child on link 0 APIC: 00

  786 02:06:17.125472     APIC: 00

  787 02:06:17.130362    DOMAIN: 0000 child on link 0 PCI: 00:00.0

  788 02:06:17.139852    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000

  789 02:06:17.149016    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100

  790 02:06:17.150432     PCI: 00:00.0

  791 02:06:17.161427     PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0

  792 02:06:17.169424     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

  793 02:06:17.178330     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2

  794 02:06:17.188450     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3

  795 02:06:17.197661     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5

  796 02:06:17.207055     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6

  797 02:06:17.216905     PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7

  798 02:06:17.226615     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8

  799 02:06:17.235548     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9

  800 02:06:17.244714     PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a

  801 02:06:17.254134     PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

  802 02:06:17.263489     PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c

  803 02:06:17.273125     PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d

  804 02:06:17.282648     PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e

  805 02:06:17.292524     PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f

  806 02:06:17.301862     PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10

  807 02:06:17.311502     PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11

  808 02:06:17.313218     PCI: 00:00.1

  809 02:06:17.322760     PCI: 00:00.1 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10

  810 02:06:17.325788     PCI: 00:00.2

  811 02:06:17.334609     PCI: 00:00.2 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 10

  812 02:06:17.345680     PCI: 00:00.2 resource base 0 size 800000 align 23 gran 23 limit ffffffffffffffff flags 201 index 18

  813 02:06:17.354896     PCI: 00:00.2 resource base 0 size 200 align 12 gran 9 limit ffffffffffffffff flags 201 index 20

  814 02:06:17.356961     PCI: 00:02.0

  815 02:06:17.366374     PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10

  816 02:06:17.376981     PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18

  817 02:06:17.385193     PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20

  818 02:06:17.387042     PCI: 00:03.0

  819 02:06:17.396348     PCI: 00:03.0 resource base 0 size 1000000 align 24 gran 24 limit 7fffffffff flags 201 index 10

  820 02:06:17.398527     PCI: 00:0d.0

  821 02:06:17.407769     PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10

  822 02:06:17.410385     PCI: 00:0d.1

  823 02:06:17.419020     PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10

  824 02:06:17.429207     PCI: 00:0d.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  825 02:06:17.437767     PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags c0000100 index 20

  826 02:06:17.439454     PCI: 00:0d.2

  827 02:06:17.448885     PCI: 00:0d.2 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10

  828 02:06:17.450461     PCI: 00:0d.3

  829 02:06:17.460054     PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10

  830 02:06:17.470079     PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 18

  831 02:06:17.473772     PCI: 00:0e.0 child on link 0 GENERIC: 0.0

  832 02:06:17.484300     PCI: 00:0e.0 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10

  833 02:06:17.493723     PCI: 00:0e.0 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 20

  834 02:06:17.496140      GENERIC: 0.0

  835 02:06:17.497781     PCI: 00:0f.0

  836 02:06:17.507711     PCI: 00:0f.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  837 02:06:17.508935     PCI: 00:0f.1

  838 02:06:17.518891     PCI: 00:0f.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  839 02:06:17.520286     PCI: 00:0f.2

  840 02:06:17.530664     PCI: 00:0f.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  841 02:06:17.532550     PCI: 00:11.0

  842 02:06:17.533836     PCI: 00:12.0

  843 02:06:17.535602     PCI: 00:13.0

  844 02:06:17.537000     PCI: 00:13.1

  845 02:06:17.539137     PCI: 00:13.2

  846 02:06:17.540242     PCI: 00:13.3

  847 02:06:17.545028     PCI: 00:14.0 child on link 0 PCI: 01:00.0

  848 02:06:17.554614     PCI: 00:14.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c

  849 02:06:17.563078     PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24

  850 02:06:17.572317     PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20

  851 02:06:17.574950      PCI: 01:00.0

  852 02:06:17.584190      PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10

  853 02:06:17.585832     PCI: 00:14.1

  854 02:06:17.587670     PCI: 00:15.0

  855 02:06:17.597411     PCI: 00:15.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10

  856 02:06:17.599643     PCI: 00:15.1

  857 02:06:17.603531     PCI: 00:16.0 child on link 0 I2C: 01:1a

  858 02:06:17.613554     PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  859 02:06:17.624314     PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  860 02:06:17.625087      I2C: 01:1a

  861 02:06:17.626817     PCI: 00:16.1

  862 02:06:17.636698     PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  863 02:06:17.646377     PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  864 02:06:17.650840     PCI: 00:16.2 child on link 0 I2C: 02:50

  865 02:06:17.660747     PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  866 02:06:17.670970     PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  867 02:06:17.673350      I2C: 02:50

  868 02:06:17.676580     PCI: 00:16.3 child on link 0 I2C: 03:10

  869 02:06:17.687089     PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  870 02:06:17.696535     PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  871 02:06:17.697702      I2C: 03:10

  872 02:06:17.699704      I2C: 03:39

  873 02:06:17.703719     PCI: 00:17.0 child on link 0 I2C: 04:15

  874 02:06:17.714004     PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  875 02:06:17.724978     PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  876 02:06:17.725734      I2C: 04:15

  877 02:06:17.727222      I2C: 04:2c

  878 02:06:17.731937     PCI: 00:17.1 child on link 0 I2C: 05:09

  879 02:06:17.741359     PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  880 02:06:17.751032     PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  881 02:06:17.752591      I2C: 05:09

  882 02:06:17.754543     PCI: 00:17.2

  883 02:06:17.756782     PCI: 00:17.3

  884 02:06:17.757749     PCI: 00:18.0

  885 02:06:17.767440     PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  886 02:06:17.777774     PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  887 02:06:17.779539     PCI: 00:18.1

  888 02:06:17.789817     PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  889 02:06:17.799221     PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  890 02:06:17.800884     PCI: 00:18.2

  891 02:06:17.810581     PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10

  892 02:06:17.820031     PCI: 00:18.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  893 02:06:17.821831     PCI: 00:18.3

  894 02:06:17.823376     PCI: 00:19.0

  895 02:06:17.833321     PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  896 02:06:17.843551     PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  897 02:06:17.845337     PCI: 00:19.1

  898 02:06:17.846750     PCI: 00:19.2

  899 02:06:17.848781     PCI: 00:1a.0

  900 02:06:17.850727     PCI: 00:1b.0

  901 02:06:17.861042     PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  902 02:06:17.870180     PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  903 02:06:17.871485     PCI: 00:1c.0

  904 02:06:17.881244     PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  905 02:06:17.891489     PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  906 02:06:17.894084     PCI: 00:1e.0

  907 02:06:17.897113     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

  908 02:06:17.906057     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

  909 02:06:17.908102      PNP: 0c09.0

  910 02:06:17.963076      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

  911 02:06:17.968668     PCI: 00:1f.1

  912 02:06:17.975647     PCI: 00:1f.1 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10

  913 02:06:17.987733     PCI: 00:1f.1 resource base 0 size 20 align 5 gran 5 limit ffff flags 100 index 20

  914 02:06:17.994747  DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff

  915 02:06:18.000533  PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff

  916 02:06:18.006382  PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done

  917 02:06:18.006997  PCI: 00:02.0 20 *  [0x0 - 0x3f] io

  918 02:06:18.013537  PCI: 00:1f.1 20 *  [0x40 - 0x5f] io

  919 02:06:18.019292  DOMAIN: 0000 io: base: 60 size: 60 align: 6 gran: 0 limit: ffff done

  920 02:06:18.027063  DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff

  921 02:06:18.027971  PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff

  922 02:06:18.028882  PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done

  923 02:06:18.029299  PCI: 00:14.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff

  924 02:06:18.029723  PCI: 01:00.0 10 *  [0x0 - 0x1fff] mem

  925 02:06:18.031303  PCI: 00:14.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done

  926 02:06:18.031815  PCI: 00:02.0 18 *  [0x0 - 0xfffffff] prefmem

  927 02:06:18.032525  PCI: 00:02.0 10 *  [0x10000000 - 0x10ffffff] mem

  928 02:06:18.033006  PCI: 00:03.0 10 *  [0x11000000 - 0x11ffffff] mem

  929 02:06:18.033468  PCI: 00:08 *  [0x12000000 - 0x127fffff] mem

  930 02:06:18.034815  PCI: 00:00.2 10 *  [0x12800000 - 0x128fffff] mem

  931 02:06:18.040295  PCI: 00:0e.0 20 *  [0x12900000 - 0x129fffff] mem

  932 02:06:18.045178  PCI: 00:14.0 20 *  [0x12a00000 - 0x12afffff] mem

  933 02:06:18.050230  PCI: 00:15.0 10 *  [0x12b00000 - 0x12b0ffff] mem

  934 02:06:18.054902  PCI: 00:00.1 10 *  [0x12b10000 - 0x12b17fff] mem

  935 02:06:18.059516  PCI: 00:0e.0 10 *  [0x12b18000 - 0x12b1bfff] mem

  936 02:06:18.064845  PCI: 00:0d.1 18 *  [0x12b1c000 - 0x12b1cfff] mem

  937 02:06:18.069312  PCI: 00:0d.2 10 *  [0x12b1d000 - 0x12b1dfff] mem

  938 02:06:18.074420  PCI: 00:0f.0 10 *  [0x12b1e000 - 0x12b1efff] mem

  939 02:06:18.079788  PCI: 00:0f.1 10 *  [0x12b1f000 - 0x12b1ffff] mem

  940 02:06:18.083834  PCI: 00:0f.2 10 *  [0x12b20000 - 0x12b20fff] mem

  941 02:06:18.089107  PCI: 00:16.0 10 *  [0x12b21000 - 0x12b21fff] mem

  942 02:06:18.093757  PCI: 00:16.0 18 *  [0x12b22000 - 0x12b22fff] mem

  943 02:06:18.099473  PCI: 00:16.1 10 *  [0x12b23000 - 0x12b23fff] mem

  944 02:06:18.103597  PCI: 00:16.1 18 *  [0x12b24000 - 0x12b24fff] mem

  945 02:06:18.108601  PCI: 00:16.2 10 *  [0x12b25000 - 0x12b25fff] mem

  946 02:06:18.113253  PCI: 00:16.2 18 *  [0x12b26000 - 0x12b26fff] mem

  947 02:06:18.118232  PCI: 00:16.3 10 *  [0x12b27000 - 0x12b27fff] mem

  948 02:06:18.123182  PCI: 00:16.3 18 *  [0x12b28000 - 0x12b28fff] mem

  949 02:06:18.128404  PCI: 00:17.0 10 *  [0x12b29000 - 0x12b29fff] mem

  950 02:06:18.132917  PCI: 00:17.0 18 *  [0x12b2a000 - 0x12b2afff] mem

  951 02:06:18.138316  PCI: 00:17.1 10 *  [0x12b2b000 - 0x12b2bfff] mem

  952 02:06:18.142525  PCI: 00:17.1 18 *  [0x12b2c000 - 0x12b2cfff] mem

  953 02:06:18.147361  PCI: 00:18.0 10 *  [0x12b2d000 - 0x12b2dfff] mem

  954 02:06:18.152293  PCI: 00:18.0 18 *  [0x12b2e000 - 0x12b2efff] mem

  955 02:06:18.157251  PCI: 00:18.1 10 *  [0x12b2f000 - 0x12b2ffff] mem

  956 02:06:18.162179  PCI: 00:18.1 18 *  [0x12b30000 - 0x12b30fff] mem

  957 02:06:18.167065  PCI: 00:18.2 18 *  [0x12b31000 - 0x12b31fff] mem

  958 02:06:18.172455  PCI: 00:19.0 10 *  [0x12b32000 - 0x12b32fff] mem

  959 02:06:18.176655  PCI: 00:19.0 18 *  [0x12b33000 - 0x12b33fff] mem

  960 02:06:18.181752  PCI: 00:1b.0 10 *  [0x12b34000 - 0x12b34fff] mem

  961 02:06:18.186675  PCI: 00:1b.0 18 *  [0x12b35000 - 0x12b35fff] mem

  962 02:06:18.191351  PCI: 00:1c.0 10 *  [0x12b36000 - 0x12b36fff] mem

  963 02:06:18.197047  PCI: 00:1c.0 18 *  [0x12b37000 - 0x12b37fff] mem

  964 02:06:18.201453  PCI: 00:00.2 20 *  [0x12b38000 - 0x12b381ff] mem

  965 02:06:18.206240  PCI: 00:1f.1 10 *  [0x12b39000 - 0x12b390ff] mem

  966 02:06:18.214425  DOMAIN: 0000 mem: base: 12b39100 size: 12b39100 align: 28 gran: 0 limit: ffffffff done

  967 02:06:18.217816  avoid_fixed_resources: DOMAIN: 0000

  968 02:06:18.224029  avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff

  969 02:06:18.230206  avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff

  970 02:06:18.238108  constrain_resources: PCI: 00:00.0 00 base e0000000 limit efffffff mem (fixed)

  971 02:06:18.245614  constrain_resources: PCI: 00:00.0 02 base 00000000 limit 0009ffff mem (fixed)

  972 02:06:18.254489  constrain_resources: PCI: 00:00.0 03 base 000c0000 limit 7affffff mem (fixed)

  973 02:06:18.260863  constrain_resources: PCI: 00:00.0 05 base 7b000000 limit 7b7fffff mem (fixed)

  974 02:06:18.268945  constrain_resources: PCI: 00:00.0 06 base 7b800000 limit 7fffffff mem (fixed)

  975 02:06:18.276646  constrain_resources: PCI: 00:0d.0 10 base d0000000 limit d0ffffff mem (fixed)

  976 02:06:18.283921  constrain_resources: PCI: 00:0d.1 20 base 00000400 limit 000004ff io (fixed)

  977 02:06:18.291336  constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed)

  978 02:06:18.298919  avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001000 limit 0000ffff

  979 02:06:18.305993  avoid_fixed_resources:@DOMAIN: 0000 10000100 base b0000000 limit cfffffff

  980 02:06:18.308729  Setting resources...

  981 02:06:18.314929  DOMAIN: 0000 io: base:1000 size:60 align:6 gran:0 limit:ffff

  982 02:06:18.318475  PCI: 00:02.0 20 *  [0x1000 - 0x103f] io

  983 02:06:18.322324  PCI: 00:1f.1 20 *  [0x1040 - 0x105f] io

  984 02:06:18.328663  DOMAIN: 0000 io: next_base: 1060 size: 60 align: 6 gran: 0 done

  985 02:06:18.335158  PCI: 00:14.0 io: base:ffff size:0 align:12 gran:12 limit:ffff

  986 02:06:18.341454  PCI: 00:14.0 io: next_base: ffff size: 0 align: 12 gran: 12 done

  987 02:06:18.349056  DOMAIN: 0000 mem: base:b0000000 size:12b39100 align:28 gran:0 limit:cfffffff

  988 02:06:18.354797  PCI: 00:02.0 18 *  [0xb0000000 - 0xbfffffff] prefmem

  989 02:06:18.358991  PCI: 00:02.0 10 *  [0xc0000000 - 0xc0ffffff] mem

  990 02:06:18.363843  PCI: 00:03.0 10 *  [0xc1000000 - 0xc1ffffff] mem

  991 02:06:18.369135  PCI: 00:00.2 18 *  [0xc2000000 - 0xc27fffff] mem

  992 02:06:18.373577  PCI: 00:00.2 10 *  [0xc2800000 - 0xc28fffff] mem

  993 02:06:18.378662  PCI: 00:0e.0 20 *  [0xc2900000 - 0xc29fffff] mem

  994 02:06:18.383847  PCI: 00:14.0 20 *  [0xc2a00000 - 0xc2afffff] mem

  995 02:06:18.388462  PCI: 00:15.0 10 *  [0xc2b00000 - 0xc2b0ffff] mem

  996 02:06:18.393660  PCI: 00:00.1 10 *  [0xc2b10000 - 0xc2b17fff] mem

  997 02:06:18.397952  PCI: 00:0e.0 10 *  [0xc2b18000 - 0xc2b1bfff] mem

  998 02:06:18.402777  PCI: 00:0d.1 18 *  [0xc2b1c000 - 0xc2b1cfff] mem

  999 02:06:18.407854  PCI: 00:0d.2 10 *  [0xc2b1d000 - 0xc2b1dfff] mem

 1000 02:06:18.412918  PCI: 00:0f.0 10 *  [0xc2b1e000 - 0xc2b1efff] mem

 1001 02:06:18.417395  PCI: 00:0f.1 10 *  [0xc2b1f000 - 0xc2b1ffff] mem

 1002 02:06:18.422406  PCI: 00:0f.2 10 *  [0xc2b20000 - 0xc2b20fff] mem

 1003 02:06:18.427045  PCI: 00:16.0 10 *  [0xc2b21000 - 0xc2b21fff] mem

 1004 02:06:18.432040  PCI: 00:16.0 18 *  [0xc2b22000 - 0xc2b22fff] mem

 1005 02:06:18.437896  PCI: 00:16.1 10 *  [0xc2b23000 - 0xc2b23fff] mem

 1006 02:06:18.441508  PCI: 00:16.1 18 *  [0xc2b24000 - 0xc2b24fff] mem

 1007 02:06:18.446985  PCI: 00:16.2 10 *  [0xc2b25000 - 0xc2b25fff] mem

 1008 02:06:18.451409  PCI: 00:16.2 18 *  [0xc2b26000 - 0xc2b26fff] mem

 1009 02:06:18.456532  PCI: 00:16.3 10 *  [0xc2b27000 - 0xc2b27fff] mem

 1010 02:06:18.461791  PCI: 00:16.3 18 *  [0xc2b28000 - 0xc2b28fff] mem

 1011 02:06:18.466311  PCI: 00:17.0 10 *  [0xc2b29000 - 0xc2b29fff] mem

 1012 02:06:18.470850  PCI: 00:17.0 18 *  [0xc2b2a000 - 0xc2b2afff] mem

 1013 02:06:18.475851  PCI: 00:17.1 10 *  [0xc2b2b000 - 0xc2b2bfff] mem

 1014 02:06:18.481141  PCI: 00:17.1 18 *  [0xc2b2c000 - 0xc2b2cfff] mem

 1015 02:06:18.485835  PCI: 00:18.0 10 *  [0xc2b2d000 - 0xc2b2dfff] mem

 1016 02:06:18.490593  PCI: 00:18.0 18 *  [0xc2b2e000 - 0xc2b2efff] mem

 1017 02:06:18.495352  PCI: 00:18.1 10 *  [0xc2b2f000 - 0xc2b2ffff] mem

 1018 02:06:18.500352  PCI: 00:18.1 18 *  [0xc2b30000 - 0xc2b30fff] mem

 1019 02:06:18.505002  PCI: 00:18.2 18 *  [0xc2b31000 - 0xc2b31fff] mem

 1020 02:06:18.510019  PCI: 00:19.0 10 *  [0xc2b32000 - 0xc2b32fff] mem

 1021 02:06:18.515531  PCI: 00:19.0 18 *  [0xc2b33000 - 0xc2b33fff] mem

 1022 02:06:18.519872  PCI: 00:1b.0 10 *  [0xc2b34000 - 0xc2b34fff] mem

 1023 02:06:18.525021  PCI: 00:1b.0 18 *  [0xc2b35000 - 0xc2b35fff] mem

 1024 02:06:18.529606  PCI: 00:1c.0 10 *  [0xc2b36000 - 0xc2b36fff] mem

 1025 02:06:18.534318  PCI: 00:1c.0 18 *  [0xc2b37000 - 0xc2b37fff] mem

 1026 02:06:18.539660  PCI: 00:00.2 20 *  [0xc2b38000 - 0xc2b381ff] mem

 1027 02:06:18.544488  PCI: 00:1f.1 10 *  [0xc2b39000 - 0xc2b390ff] mem

 1028 02:06:18.552204  DOMAIN: 0000 mem: next_base: c2b39100 size: 12b39100 align: 28 gran: 0 done

 1029 02:06:18.559181  PCI: 00:14.0 prefmem: base:cfffffff size:0 align:20 gran:20 limit:cfffffff

 1030 02:06:18.566972  PCI: 00:14.0 prefmem: next_base: cfffffff size: 0 align: 20 gran: 20 done

 1031 02:06:18.573937  PCI: 00:14.0 mem: base:c2a00000 size:100000 align:20 gran:20 limit:c2afffff

 1032 02:06:18.578548  PCI: 01:00.0 10 *  [0xc2a00000 - 0xc2a01fff] mem

 1033 02:06:18.586379  PCI: 00:14.0 mem: next_base: c2a02000 size: 100000 align: 20 gran: 20 done

 1034 02:06:18.590834  Root Device assign_resources, bus 0 link: 0

 1035 02:06:18.595012  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1036 02:06:18.603711  PCI: 00:00.1 10 <- [0x00c2b10000 - 0x00c2b17fff] size 0x00008000 gran 0x0f mem64

 1037 02:06:18.610758  PCI: 00:00.2 10 <- [0x00c2800000 - 0x00c28fffff] size 0x00100000 gran 0x14 mem64

 1038 02:06:18.619416  PCI: 00:00.2 18 <- [0x00c2000000 - 0x00c27fffff] size 0x00800000 gran 0x17 mem64

 1039 02:06:18.627906  PCI: 00:00.2 20 <- [0x00c2b38000 - 0x00c2b381ff] size 0x00000200 gran 0x09 mem64

 1040 02:06:18.635288  PCI: 00:02.0 10 <- [0x00c0000000 - 0x00c0ffffff] size 0x01000000 gran 0x18 mem64

 1041 02:06:18.643777  PCI: 00:02.0 18 <- [0x00b0000000 - 0x00bfffffff] size 0x10000000 gran 0x1c prefmem64

 1042 02:06:18.651083  PCI: 00:02.0 20 <- [0x0000001000 - 0x000000103f] size 0x00000040 gran 0x06 io

 1043 02:06:18.659295  PCI: 00:03.0 10 <- [0x00c1000000 - 0x00c1ffffff] size 0x01000000 gran 0x18 mem64

 1044 02:06:18.666606  PCI: 00:0d.1 18 <- [0x00c2b1c000 - 0x00c2b1cfff] size 0x00001000 gran 0x0c mem64

 1045 02:06:18.676571  PCI: 00:0d.1 10 <- [0x00fe042000 - 0x00fe043fff] size 0x00002000 gran 0x00 mem PMC BAR

 1046 02:06:18.683971  PCI: 00:0d.1 20 <- [0x0000000400 - 0x00000004ff] size 0x00000100 gran 0x00 io ACPI BAR

 1047 02:06:18.691895  PCI: 00:0d.2 10 <- [0x00c2b1d000 - 0x00c2b1dfff] size 0x00001000 gran 0x0c mem

 1048 02:06:18.701963  PCI: 00:0d.3 10 <- [0x00fe900000 - 0x00fe901fff] size 0x00002000 gran 0x00 mem SRAM BAR 0

 1049 02:06:18.709888  PCI: 00:0d.3 18 <- [0x00fe902000 - 0x00fe902fff] size 0x00001000 gran 0x00 mem SRAM BAR 2

 1050 02:06:18.718178  PCI: 00:0e.0 10 <- [0x00c2b18000 - 0x00c2b1bfff] size 0x00004000 gran 0x0e mem64

 1051 02:06:18.727111  PCI: 00:0e.0 20 <- [0x00c2900000 - 0x00c29fffff] size 0x00100000 gran 0x14 mem64

 1052 02:06:18.730637  PCI: 00:0e.0 assign_resources, bus 0 link: 0

 1053 02:06:18.735275  PCI: 00:0e.0 assign_resources, bus 0 link: 0

 1054 02:06:18.743279  PCI: 00:0f.0 10 <- [0x00c2b1e000 - 0x00c2b1efff] size 0x00001000 gran 0x0c mem64

 1055 02:06:18.751499  PCI: 00:0f.1 10 <- [0x00c2b1f000 - 0x00c2b1ffff] size 0x00001000 gran 0x0c mem64

 1056 02:06:18.759866  PCI: 00:0f.2 10 <- [0x00c2b20000 - 0x00c2b20fff] size 0x00001000 gran 0x0c mem64

 1057 02:06:18.769116  PCI: 00:14.0 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 01 io

 1058 02:06:18.777306  PCI: 00:14.0 24 <- [0x00cfffffff - 0x00cffffffe] size 0x00000000 gran 0x14 bus 01 prefmem

 1059 02:06:18.786321  PCI: 00:14.0 20 <- [0x00c2a00000 - 0x00c2afffff] size 0x00100000 gran 0x14 bus 01 mem

 1060 02:06:18.790546  PCI: 00:14.0 assign_resources, bus 1 link: 0

 1061 02:06:18.798811  PCI: 01:00.0 10 <- [0x00c2a00000 - 0x00c2a01fff] size 0x00002000 gran 0x0d mem64

 1062 02:06:18.803511  PCI: 00:14.0 assign_resources, bus 1 link: 0

 1063 02:06:18.811836  PCI: 00:15.0 10 <- [0x00c2b00000 - 0x00c2b0ffff] size 0x00010000 gran 0x10 mem64

 1064 02:06:18.820373  PCI: 00:16.0 10 <- [0x00c2b21000 - 0x00c2b21fff] size 0x00001000 gran 0x0c mem64

 1065 02:06:18.828492  PCI: 00:16.0 18 <- [0x00c2b22000 - 0x00c2b22fff] size 0x00001000 gran 0x0c mem64

 1066 02:06:18.832262  PCI: 00:16.0 assign_resources, bus 1 link: 0

 1067 02:06:18.837138  PCI: 00:16.0 assign_resources, bus 1 link: 0

 1068 02:06:18.845979  PCI: 00:16.1 10 <- [0x00c2b23000 - 0x00c2b23fff] size 0x00001000 gran 0x0c mem64

 1069 02:06:18.853384  PCI: 00:16.1 18 <- [0x00c2b24000 - 0x00c2b24fff] size 0x00001000 gran 0x0c mem64

 1070 02:06:18.862216  PCI: 00:16.2 10 <- [0x00c2b25000 - 0x00c2b25fff] size 0x00001000 gran 0x0c mem64

 1071 02:06:18.869783  PCI: 00:16.2 18 <- [0x00c2b26000 - 0x00c2b26fff] size 0x00001000 gran 0x0c mem64

 1072 02:06:18.873831  PCI: 00:16.2 assign_resources, bus 2 link: 0

 1073 02:06:18.878555  PCI: 00:16.2 assign_resources, bus 2 link: 0

 1074 02:06:18.888168  PCI: 00:16.3 10 <- [0x00c2b27000 - 0x00c2b27fff] size 0x00001000 gran 0x0c mem64

 1075 02:06:18.894868  PCI: 00:16.3 18 <- [0x00c2b28000 - 0x00c2b28fff] size 0x00001000 gran 0x0c mem64

 1076 02:06:18.899305  PCI: 00:16.3 assign_resources, bus 3 link: 0

 1077 02:06:18.904216  PCI: 00:16.3 assign_resources, bus 3 link: 0

 1078 02:06:18.912389  PCI: 00:17.0 10 <- [0x00c2b29000 - 0x00c2b29fff] size 0x00001000 gran 0x0c mem64

 1079 02:06:18.921010  PCI: 00:17.0 18 <- [0x00c2b2a000 - 0x00c2b2afff] size 0x00001000 gran 0x0c mem64

 1080 02:06:18.924700  PCI: 00:17.0 assign_resources, bus 4 link: 0

 1081 02:06:18.929324  PCI: 00:17.0 assign_resources, bus 4 link: 0

 1082 02:06:18.938038  PCI: 00:17.1 10 <- [0x00c2b2b000 - 0x00c2b2bfff] size 0x00001000 gran 0x0c mem64

 1083 02:06:18.945770  PCI: 00:17.1 18 <- [0x00c2b2c000 - 0x00c2b2cfff] size 0x00001000 gran 0x0c mem64

 1084 02:06:18.949802  PCI: 00:17.1 assign_resources, bus 5 link: 0

 1085 02:06:18.954844  PCI: 00:17.1 assign_resources, bus 5 link: 0

 1086 02:06:18.962766  PCI: 00:18.0 10 <- [0x00c2b2d000 - 0x00c2b2dfff] size 0x00001000 gran 0x0c mem64

 1087 02:06:18.970845  PCI: 00:18.0 18 <- [0x00c2b2e000 - 0x00c2b2efff] size 0x00001000 gran 0x0c mem64

 1088 02:06:18.979248  PCI: 00:18.1 10 <- [0x00c2b2f000 - 0x00c2b2ffff] size 0x00001000 gran 0x0c mem64

 1089 02:06:18.987095  PCI: 00:18.1 18 <- [0x00c2b30000 - 0x00c2b30fff] size 0x00001000 gran 0x0c mem64

 1090 02:06:18.995246  PCI: 00:18.2 18 <- [0x00c2b31000 - 0x00c2b31fff] size 0x00001000 gran 0x0c mem64

 1091 02:06:19.003674  PCI: 00:19.0 10 <- [0x00c2b32000 - 0x00c2b32fff] size 0x00001000 gran 0x0c mem64

 1092 02:06:19.011460  PCI: 00:19.0 18 <- [0x00c2b33000 - 0x00c2b33fff] size 0x00001000 gran 0x0c mem64

 1093 02:06:19.020128  PCI: 00:1b.0 10 <- [0x00c2b34000 - 0x00c2b34fff] size 0x00001000 gran 0x0c mem64

 1094 02:06:19.027548  PCI: 00:1b.0 18 <- [0x00c2b35000 - 0x00c2b35fff] size 0x00001000 gran 0x0c mem64

 1095 02:06:19.036041  PCI: 00:1c.0 10 <- [0x00c2b36000 - 0x00c2b36fff] size 0x00001000 gran 0x0c mem64

 1096 02:06:19.043674  PCI: 00:1c.0 18 <- [0x00c2b37000 - 0x00c2b37fff] size 0x00001000 gran 0x0c mem64

 1097 02:06:19.048784  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1098 02:06:19.052164  PNP: 0c09.0 missing set_resources

 1099 02:06:19.056718  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1100 02:06:19.061560  LPC: Trying to open IO window from 800 size 1ff

 1101 02:06:19.067411  LPC: Opened IO window LGIR3: base 800 size 100

 1102 02:06:19.070361  LPC: Cannot open IO window: 900 size ff

 1103 02:06:19.071828  No more IO windows

 1104 02:06:19.080738  PCI: 00:1f.1 10 <- [0x00c2b39000 - 0x00c2b390ff] size 0x00000100 gran 0x08 mem64

 1105 02:06:19.087698  PCI: 00:1f.1 20 <- [0x0000001040 - 0x000000105f] size 0x00000020 gran 0x05 io

 1106 02:06:19.092730  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1107 02:06:19.098130  Root Device assign_resources, bus 0 link: 0

 1108 02:06:19.099666  Done setting resources.

 1109 02:06:19.106393  Show resources in subtree (Root Device)...After assigning values.

 1110 02:06:19.110730   Root Device child on link 0 CPU_CLUSTER: 0

 1111 02:06:19.115078    CPU_CLUSTER: 0 child on link 0 APIC: 00

 1112 02:06:19.115821     APIC: 00

 1113 02:06:19.120762    DOMAIN: 0000 child on link 0 PCI: 00:00.0

 1114 02:06:19.130315    DOMAIN: 0000 resource base 1000 size 60 align 6 gran 0 limit ffff flags 40040100 index 10000000

 1115 02:06:19.140848    DOMAIN: 0000 resource base b0000000 size 12b39100 align 28 gran 0 limit cfffffff flags 40040200 index 10000100

 1116 02:06:19.142645     PCI: 00:00.0

 1117 02:06:19.152581     PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0

 1118 02:06:19.163668     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

 1119 02:06:19.170890     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2

 1120 02:06:19.180789     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3

 1121 02:06:19.189994     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5

 1122 02:06:19.199769     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6

 1123 02:06:19.208920     PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7

 1124 02:06:19.218710     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8

 1125 02:06:19.227791     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9

 1126 02:06:19.237886     PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a

 1127 02:06:19.247157     PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

 1128 02:06:19.256093     PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c

 1129 02:06:19.265559     PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d

 1130 02:06:19.274876     PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e

 1131 02:06:19.285168     PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f

 1132 02:06:19.294544     PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10

 1133 02:06:19.303738     PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11

 1134 02:06:19.305250     PCI: 00:00.1

 1135 02:06:19.316017     PCI: 00:00.1 resource base c2b10000 size 8000 align 15 gran 15 limit c2b17fff flags 60000201 index 10

 1136 02:06:19.317610     PCI: 00:00.2

 1137 02:06:19.328064     PCI: 00:00.2 resource base c2800000 size 100000 align 20 gran 20 limit c28fffff flags 60000201 index 10

 1138 02:06:19.338296     PCI: 00:00.2 resource base c2000000 size 800000 align 23 gran 23 limit c27fffff flags 60000201 index 18

 1139 02:06:19.349181     PCI: 00:00.2 resource base c2b38000 size 200 align 12 gran 9 limit c2b381ff flags 60000201 index 20

 1140 02:06:19.350007     PCI: 00:02.0

 1141 02:06:19.361097     PCI: 00:02.0 resource base c0000000 size 1000000 align 24 gran 24 limit c0ffffff flags 60000201 index 10

 1142 02:06:19.371877     PCI: 00:02.0 resource base b0000000 size 10000000 align 28 gran 28 limit bfffffff flags 60001201 index 18

 1143 02:06:19.380907     PCI: 00:02.0 resource base 1000 size 40 align 6 gran 6 limit 103f flags 60000100 index 20

 1144 02:06:19.382657     PCI: 00:03.0

 1145 02:06:19.393182     PCI: 00:03.0 resource base c1000000 size 1000000 align 24 gran 24 limit c1ffffff flags 60000201 index 10

 1146 02:06:19.394954     PCI: 00:0d.0

 1147 02:06:19.404354     PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10

 1148 02:06:19.405924     PCI: 00:0d.1

 1149 02:06:19.415128     PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10

 1150 02:06:19.426148     PCI: 00:0d.1 resource base c2b1c000 size 1000 align 12 gran 12 limit c2b1cfff flags 60000201 index 18

 1151 02:06:19.435064     PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags e0000100 index 20

 1152 02:06:19.436328     PCI: 00:0d.2

 1153 02:06:19.446782     PCI: 00:0d.2 resource base c2b1d000 size 1000 align 12 gran 12 limit c2b1dfff flags 60000200 index 10

 1154 02:06:19.448409     PCI: 00:0d.3

 1155 02:06:19.458174     PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10

 1156 02:06:19.467893     PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 18

 1157 02:06:19.472187     PCI: 00:0e.0 child on link 0 GENERIC: 0.0

 1158 02:06:19.482210     PCI: 00:0e.0 resource base c2b18000 size 4000 align 14 gran 14 limit c2b1bfff flags 60000201 index 10

 1159 02:06:19.493818     PCI: 00:0e.0 resource base c2900000 size 100000 align 20 gran 20 limit c29fffff flags 60000201 index 20

 1160 02:06:19.494568      GENERIC: 0.0

 1161 02:06:19.496231     PCI: 00:0f.0

 1162 02:06:19.506316     PCI: 00:0f.0 resource base c2b1e000 size 1000 align 12 gran 12 limit c2b1efff flags 60000201 index 10

 1163 02:06:19.509178     PCI: 00:0f.1

 1164 02:06:19.518641     PCI: 00:0f.1 resource base c2b1f000 size 1000 align 12 gran 12 limit c2b1ffff flags 60000201 index 10

 1165 02:06:19.520591     PCI: 00:0f.2

 1166 02:06:19.531055     PCI: 00:0f.2 resource base c2b20000 size 1000 align 12 gran 12 limit c2b20fff flags 60000201 index 10

 1167 02:06:19.532062     PCI: 00:11.0

 1168 02:06:19.534035     PCI: 00:12.0

 1169 02:06:19.535160     PCI: 00:13.0

 1170 02:06:19.537318     PCI: 00:13.1

 1171 02:06:19.539770     PCI: 00:13.2

 1172 02:06:19.540741     PCI: 00:13.3

 1173 02:06:19.545114     PCI: 00:14.0 child on link 0 PCI: 01:00.0

 1174 02:06:19.554088     PCI: 00:14.0 resource base ffff size 0 align 12 gran 12 limit ffff flags 60080102 index 1c

 1175 02:06:19.564356     PCI: 00:14.0 resource base cfffffff size 0 align 20 gran 20 limit cfffffff flags 60081202 index 24

 1176 02:06:19.575501     PCI: 00:14.0 resource base c2a00000 size 100000 align 20 gran 20 limit c2afffff flags 60080202 index 20

 1177 02:06:19.577158      PCI: 01:00.0

 1178 02:06:19.587184      PCI: 01:00.0 resource base c2a00000 size 2000 align 13 gran 13 limit c2a01fff flags 60000201 index 10

 1179 02:06:19.588806     PCI: 00:14.1

 1180 02:06:19.590730     PCI: 00:15.0

 1181 02:06:19.600613     PCI: 00:15.0 resource base c2b00000 size 10000 align 16 gran 16 limit c2b0ffff flags 60000201 index 10

 1182 02:06:19.602010     PCI: 00:15.1

 1183 02:06:19.606693     PCI: 00:16.0 child on link 0 I2C: 01:1a

 1184 02:06:19.616780     PCI: 00:16.0 resource base c2b21000 size 1000 align 12 gran 12 limit c2b21fff flags 60000201 index 10

 1185 02:06:19.627038     PCI: 00:16.0 resource base c2b22000 size 1000 align 12 gran 12 limit c2b22fff flags 60000201 index 18

 1186 02:06:19.628508      I2C: 01:1a

 1187 02:06:19.629937     PCI: 00:16.1

 1188 02:06:19.640937     PCI: 00:16.1 resource base c2b23000 size 1000 align 12 gran 12 limit c2b23fff flags 60000201 index 10

 1189 02:06:19.650921     PCI: 00:16.1 resource base c2b24000 size 1000 align 12 gran 12 limit c2b24fff flags 60000201 index 18

 1190 02:06:19.656325     PCI: 00:16.2 child on link 0 I2C: 02:50

 1191 02:06:19.665556     PCI: 00:16.2 resource base c2b25000 size 1000 align 12 gran 12 limit c2b25fff flags 60000201 index 10

 1192 02:06:19.675888     PCI: 00:16.2 resource base c2b26000 size 1000 align 12 gran 12 limit c2b26fff flags 60000201 index 18

 1193 02:06:19.678202      I2C: 02:50

 1194 02:06:19.682902     PCI: 00:16.3 child on link 0 I2C: 03:10

 1195 02:06:19.692417     PCI: 00:16.3 resource base c2b27000 size 1000 align 12 gran 12 limit c2b27fff flags 60000201 index 10

 1196 02:06:19.702860     PCI: 00:16.3 resource base c2b28000 size 1000 align 12 gran 12 limit c2b28fff flags 60000201 index 18

 1197 02:06:19.703898      I2C: 03:10

 1198 02:06:19.705708      I2C: 03:39

 1199 02:06:19.710534     PCI: 00:17.0 child on link 0 I2C: 04:15

 1200 02:06:19.720097     PCI: 00:17.0 resource base c2b29000 size 1000 align 12 gran 12 limit c2b29fff flags 60000201 index 10

 1201 02:06:19.730592     PCI: 00:17.0 resource base c2b2a000 size 1000 align 12 gran 12 limit c2b2afff flags 60000201 index 18

 1202 02:06:19.731675      I2C: 04:15

 1203 02:06:19.733518      I2C: 04:2c

 1204 02:06:19.737874     PCI: 00:17.1 child on link 0 I2C: 05:09

 1205 02:06:19.749362     PCI: 00:17.1 resource base c2b2b000 size 1000 align 12 gran 12 limit c2b2bfff flags 60000201 index 10

 1206 02:06:19.759020     PCI: 00:17.1 resource base c2b2c000 size 1000 align 12 gran 12 limit c2b2cfff flags 60000201 index 18

 1207 02:06:19.760077      I2C: 05:09

 1208 02:06:19.761856     PCI: 00:17.2

 1209 02:06:19.763593     PCI: 00:17.3

 1210 02:06:19.764977     PCI: 00:18.0

 1211 02:06:19.775456     PCI: 00:18.0 resource base c2b2d000 size 1000 align 12 gran 12 limit c2b2dfff flags 60000201 index 10

 1212 02:06:19.786192     PCI: 00:18.0 resource base c2b2e000 size 1000 align 12 gran 12 limit c2b2efff flags 60000201 index 18

 1213 02:06:19.787397     PCI: 00:18.1

 1214 02:06:19.797852     PCI: 00:18.1 resource base c2b2f000 size 1000 align 12 gran 12 limit c2b2ffff flags 60000201 index 10

 1215 02:06:19.808265     PCI: 00:18.1 resource base c2b30000 size 1000 align 12 gran 12 limit c2b30fff flags 60000201 index 18

 1216 02:06:19.810600     PCI: 00:18.2

 1217 02:06:19.819464     PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10

 1218 02:06:19.829777     PCI: 00:18.2 resource base c2b31000 size 1000 align 12 gran 12 limit c2b31fff flags 60000201 index 18

 1219 02:06:19.832006     PCI: 00:18.3

 1220 02:06:19.833214     PCI: 00:19.0

 1221 02:06:19.843517     PCI: 00:19.0 resource base c2b32000 size 1000 align 12 gran 12 limit c2b32fff flags 60000201 index 10

 1222 02:06:19.854142     PCI: 00:19.0 resource base c2b33000 size 1000 align 12 gran 12 limit c2b33fff flags 60000201 index 18

 1223 02:06:19.855575     PCI: 00:19.1

 1224 02:06:19.856764     PCI: 00:19.2

 1225 02:06:19.859286     PCI: 00:1a.0

 1226 02:06:19.860286     PCI: 00:1b.0

 1227 02:06:19.870838     PCI: 00:1b.0 resource base c2b34000 size 1000 align 12 gran 12 limit c2b34fff flags 60000201 index 10

 1228 02:06:19.881141     PCI: 00:1b.0 resource base c2b35000 size 1000 align 12 gran 12 limit c2b35fff flags 60000201 index 18

 1229 02:06:19.882804     PCI: 00:1c.0

 1230 02:06:19.892884     PCI: 00:1c.0 resource base c2b36000 size 1000 align 12 gran 12 limit c2b36fff flags 60000201 index 10

 1231 02:06:19.903484     PCI: 00:1c.0 resource base c2b37000 size 1000 align 12 gran 12 limit c2b37fff flags 60000201 index 18

 1232 02:06:19.904998     PCI: 00:1e.0

 1233 02:06:19.909447     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

 1234 02:06:19.918247     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

 1235 02:06:19.919913      PNP: 0c09.0

 1236 02:06:19.928556      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1237 02:06:19.930075     PCI: 00:1f.1

 1238 02:06:19.940108     PCI: 00:1f.1 resource base c2b39000 size 100 align 12 gran 8 limit c2b390ff flags 60000201 index 10

 1239 02:06:19.949203     PCI: 00:1f.1 resource base 1040 size 20 align 5 gran 5 limit 105f flags 60000100 index 20

 1240 02:06:19.952181  Done allocating resources.

 1241 02:06:19.958342  BS: BS_DEV_RESOURCES times (us): entry 0 run 2951215 exit 0

 1242 02:06:19.960781  Enabling resources...

 1243 02:06:19.963309  PCI: 00:00.0 cmd <- 07

 1244 02:06:19.967557  PCI: 00:00.1 subsystem <- 8086/5a8c

 1245 02:06:19.969670  PCI: 00:00.1 cmd <- 02

 1246 02:06:19.974342  PCI: 00:00.2 subsystem <- 8086/5a8e

 1247 02:06:19.976006  PCI: 00:00.2 cmd <- 06

 1248 02:06:19.978184  PCI: 00:02.0 cmd <- 03

 1249 02:06:19.982699  PCI: 00:03.0 subsystem <- 8086/5a88

 1250 02:06:19.984361  PCI: 00:03.0 cmd <- 02

 1251 02:06:19.987125  PCI: 00:0d.1 cmd <- 07

 1252 02:06:19.990676  PCI: 00:0d.2 subsystem <- 8086/5a96

 1253 02:06:19.993225  PCI: 00:0d.2 cmd <- 406

 1254 02:06:19.995895  PCI: 00:0d.3 cmd <- 06

 1255 02:06:19.998140  PCI: 00:0e.0 cmd <- 02

 1256 02:06:20.000773  PCI: 00:0f.0 cmd <- 06

 1257 02:06:20.003100  PCI: 00:0f.1 cmd <- 06

 1258 02:06:20.005641  PCI: 00:0f.2 cmd <- 06

 1259 02:06:20.009378  PCI: 00:14.0 bridge ctrl <- 0003

 1260 02:06:20.011615  PCI: 00:14.0 cmd <- 06

 1261 02:06:20.014328  PCI: 00:15.0 cmd <- 02

 1262 02:06:20.016629  PCI: 00:16.0 cmd <- 02

 1263 02:06:20.018964  PCI: 00:16.1 cmd <- 02

 1264 02:06:20.021656  PCI: 00:16.2 cmd <- 06

 1265 02:06:20.024597  PCI: 00:16.3 cmd <- 02

 1266 02:06:20.026723  PCI: 00:17.0 cmd <- 02

 1267 02:06:20.029224  PCI: 00:17.1 cmd <- 02

 1268 02:06:20.031634  PCI: 00:18.0 cmd <- 02

 1269 02:06:20.034173  PCI: 00:18.1 cmd <- 02

 1270 02:06:20.037109  PCI: 00:18.2 cmd <- 06

 1271 02:06:20.041054  PCI: 00:19.0 subsystem <- 8086/5ac2

 1272 02:06:20.043068  PCI: 00:19.0 cmd <- 02

 1273 02:06:20.045417  PCI: 00:1b.0 cmd <- 06

 1274 02:06:20.049478  PCI: 00:1c.0 subsystem <- 8086/5acc

 1275 02:06:20.051457  PCI: 00:1c.0 cmd <- 06

 1276 02:06:20.054094  PCI: 00:1f.0 cmd <- 07

 1277 02:06:20.058113  PCI: 00:1f.1 subsystem <- 8086/5ad4

 1278 02:06:20.060162  PCI: 00:1f.1 cmd <- 03

 1279 02:06:20.065076  PCI: 01:00.0 subsystem <- 8086/095a

 1280 02:06:20.067290  PCI: 01:00.0 cmd <- 02

 1281 02:06:20.071255  done.

 1282 02:06:20.077449  BS: BS_DEV_ENABLE times (us): entry 160 run 112469 exit 0

 1283 02:06:20.082594  FMAP: area FPF_STATUS found @ 42f000 (4096 bytes)

 1284 02:06:20.084501  Initializing devices...

 1285 02:06:20.086596  Root Device init ...

 1286 02:06:20.090617  Root Device init finished in 2136 usecs

 1287 02:06:20.093834  CPU_CLUSTER: 0 init ...

 1288 02:06:20.096305  MTRR: Physical address space:

 1289 02:06:20.102952  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1290 02:06:20.109057  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1291 02:06:20.114997  0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6

 1292 02:06:20.122181  0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0

 1293 02:06:20.128888  0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1

 1294 02:06:20.133952  0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0

 1295 02:06:20.140338  0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6

 1296 02:06:20.144301  MTRR: Fixed MSR 0x250 0x0606060606060606

 1297 02:06:20.148278  MTRR: Fixed MSR 0x258 0x0606060606060606

 1298 02:06:20.152853  MTRR: Fixed MSR 0x259 0x0000000000000000

 1299 02:06:20.156570  MTRR: Fixed MSR 0x268 0x0606060606060606

 1300 02:06:20.160781  MTRR: Fixed MSR 0x269 0x0606060606060606

 1301 02:06:20.164847  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1302 02:06:20.169077  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1303 02:06:20.173240  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1304 02:06:20.177012  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1305 02:06:20.181221  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1306 02:06:20.184809  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1307 02:06:20.188573  call enable_fixed_mtrr()

 1308 02:06:20.191450  CPU physical address size: 39 bits

 1309 02:06:20.195833  MTRR: default type WB/UC MTRR counts: 6/8.

 1310 02:06:20.199473  MTRR: WB selected as default type.

 1311 02:06:20.206656  MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0

 1312 02:06:20.212021  MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0

 1313 02:06:20.217899  MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0

 1314 02:06:20.224091  MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0

 1315 02:06:20.231039  MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1

 1316 02:06:20.236346  MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0

 1317 02:06:20.236843  

 1318 02:06:20.238385  MTRR check

 1319 02:06:20.241099  Fixed MTRRs   : Enabled

 1320 02:06:20.243119  Variable MTRRs: Enabled

 1321 02:06:20.243558  

 1322 02:06:20.246605  Detected 4 core, 4 thread CPU.

 1323 02:06:20.249062  Will perform SMM setup.

 1324 02:06:20.254495  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1325 02:06:20.256777  CBFS @ 205000 size 17b000

 1326 02:06:20.262947  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1327 02:06:20.266440  CBFS: Locating 'cpu_microcode_blob.bin'

 1328 02:06:20.269950  CBFS: Found @ offset 11d40 size 4000

 1329 02:06:20.274199  microcode: sig=0x506c9 pf=0x1 revision=0x2c

 1330 02:06:20.278766  CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz.

 1331 02:06:20.286597  Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130

 1332 02:06:20.291376  Processing 16 relocs. Offset value of 0x00030000

 1333 02:06:20.294865  Attempting to start 3 APs

 1334 02:06:20.298012  Waiting for 10ms after sending INIT.

 1335 02:06:20.314195  Waiting for 1st SIPI to complete...AP: slot 1 apic_id 6.

 1336 02:06:20.314816  done.

 1337 02:06:20.316753  AP: slot 3 apic_id 4.

 1338 02:06:20.320936  Waiting for 2nd SIPI to complete...done.

 1339 02:06:20.323508  AP: slot 2 apic_id 2.

 1340 02:06:20.330973  Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8

 1341 02:06:20.335747  Processing 12 relocs. Offset value of 0x00038000

 1342 02:06:20.342491  SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000)

 1343 02:06:20.346410  Installing SMM handler to 0x7b000000

 1344 02:06:20.354100  Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630

 1345 02:06:20.358526  Processing 229 relocs. Offset value of 0x7b010000

 1346 02:06:20.366714  Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8

 1347 02:06:20.371695  Processing 12 relocs. Offset value of 0x7b008000

 1348 02:06:20.377812  SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd

 1349 02:06:20.382811  SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd

 1350 02:06:20.388830  SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd

 1351 02:06:20.395122  SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000)

 1352 02:06:20.398456  Clearing SMI status registers

 1353 02:06:20.400618  New SMBASE 0x7afff800

 1354 02:06:20.402741  Relocation complete.

 1355 02:06:20.405252  New SMBASE 0x7afffc00

 1356 02:06:20.407557  Relocation complete.

 1357 02:06:20.409470  New SMBASE 0x7b000000

 1358 02:06:20.411397  Relocation complete.

 1359 02:06:20.413861  New SMBASE 0x7afff400

 1360 02:06:20.416103  Relocation complete.

 1361 02:06:20.418339  Initializing CPU #0

 1362 02:06:20.421769  CPU: vendor Intel device 506c9

 1363 02:06:20.425283  CPU: family 06, model 5c, stepping 09

 1364 02:06:20.427596  CPU #0 initialized

 1365 02:06:20.429577  Initializing CPU #2

 1366 02:06:20.431524  Initializing CPU #1

 1367 02:06:20.434682  CPU: vendor Intel device 506c9

 1368 02:06:20.438174  CPU: family 06, model 5c, stepping 09

 1369 02:06:20.440901  Initializing CPU #3

 1370 02:06:20.442744  CPU #2 initialized

 1371 02:06:20.445789  CPU: vendor Intel device 506c9

 1372 02:06:20.449289  CPU: family 06, model 5c, stepping 09

 1373 02:06:20.452569  CPU: vendor Intel device 506c9

 1374 02:06:20.456204  CPU: family 06, model 5c, stepping 09

 1375 02:06:20.458808  CPU #1 initialized

 1376 02:06:20.460414  CPU #3 initialized

 1377 02:06:20.461967  Enabling SMIs.

 1378 02:06:20.465651  MTRR: TEMPORARY Physical address space:

 1379 02:06:20.472443  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1380 02:06:20.479307  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1381 02:06:20.484308  0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6

 1382 02:06:20.490812  0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0

 1383 02:06:20.496906  0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5

 1384 02:06:20.503483  0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6

 1385 02:06:20.507592  MTRR: default type WB/UC MTRR counts: 10/8.

 1386 02:06:20.511268  MTRR: UC selected as default type.

 1387 02:06:20.517801  MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6

 1388 02:06:20.523495  MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6

 1389 02:06:20.530310  MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6

 1390 02:06:20.536152  MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6

 1391 02:06:20.542553  MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6

 1392 02:06:20.548543  MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0

 1393 02:06:20.554872  MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5

 1394 02:06:20.560849  MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6

 1395 02:06:20.565546  CPU_CLUSTER: 0 init finished in 468001 usecs

 1396 02:06:20.569715  PCI: 00:00.0 init ...

 1397 02:06:20.573384  PCI: 00:00.0 init finished in 2234 usecs

 1398 02:06:20.576821  PCI: 00:00.1 init ...

 1399 02:06:20.580751  PCI: 00:00.1 init finished in 2234 usecs

 1400 02:06:20.582925  PCI: 00:00.2 init ...

 1401 02:06:20.586692  PCI: 00:00.2 init finished in 2234 usecs

 1402 02:06:20.589909  PCI: 00:02.0 init ...

 1403 02:06:20.593361  PCI: 00:02.0 init finished in 2235 usecs

 1404 02:06:20.595679  PCI: 00:03.0 init ...

 1405 02:06:20.600382  PCI: 00:03.0 init finished in 2230 usecs

 1406 02:06:20.603111  PCI: 00:0d.1 init ...

 1407 02:06:20.607382  gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000

 1408 02:06:20.611928  gpe0_sts[1]: 0ead33f7 gpe0_en[1]: 00000000

 1409 02:06:20.615987  gpe0_sts[2]: 3ffd0024 gpe0_en[2]: 00000000

 1410 02:06:20.620132  gpe0_sts[3]: 800ec00e gpe0_en[3]: 00000000

 1411 02:06:20.627926  Disabling ACPI via APMC:Done.

 1412 02:06:20.628555  SLP S3 assertion width: 50000 usecs

 1413 02:06:20.632488  PCI: 00:0d.1 init finished in 27345 usecs

 1414 02:06:20.635484  PCI: 00:0d.2 init ...

 1415 02:06:20.638767  PCI: 00:0d.2 init finished in 2230 usecs

 1416 02:06:20.641659  PCI: 00:0f.0 init ...

 1417 02:06:20.646016  PCI: 00:0f.0 init finished in 2233 usecs

 1418 02:06:20.648297  PCI: 00:0f.1 init ...

 1419 02:06:20.652508  PCI: 00:0f.1 init finished in 2230 usecs

 1420 02:06:20.654816  PCI: 00:0f.2 init ...

 1421 02:06:20.659069  PCI: 00:0f.2 init finished in 2231 usecs

 1422 02:06:20.663728  PCI: 00:15.0 init ...

 1423 02:06:20.667597  PCI: 00:15.0 init finished in 2232 usecs

 1424 02:06:20.671124  PCI: 00:16.0 init ...

 1425 02:06:20.674333  LPSS I2C bus 0 at 0xc2b21000 (400 KHz)

 1426 02:06:20.678508  PCI: 00:16.0 init finished in 6116 usecs

 1427 02:06:20.680972  PCI: 00:16.1 init ...

 1428 02:06:20.685336  LPSS I2C bus 1 at 0xc2b23000 (400 KHz)

 1429 02:06:20.688758  PCI: 00:16.1 init finished in 6114 usecs

 1430 02:06:20.692261  PCI: 00:16.2 init ...

 1431 02:06:20.695276  LPSS I2C bus 2 at 0xc2b25000 (400 KHz)

 1432 02:06:20.699025  PCI: 00:16.2 init finished in 6113 usecs

 1433 02:06:20.701855  PCI: 00:16.3 init ...

 1434 02:06:20.705574  LPSS I2C bus 3 at 0xc2b27000 (400 KHz)

 1435 02:06:20.709668  PCI: 00:16.3 init finished in 6113 usecs

 1436 02:06:20.712252  PCI: 00:17.0 init ...

 1437 02:06:20.716344  LPSS I2C bus 4 at 0xc2b29000 (400 KHz)

 1438 02:06:20.720472  PCI: 00:17.0 init finished in 6117 usecs

 1439 02:06:20.723097  PCI: 00:17.1 init ...

 1440 02:06:20.726780  LPSS I2C bus 5 at 0xc2b2b000 (400 KHz)

 1441 02:06:20.730622  PCI: 00:17.1 init finished in 6108 usecs

 1442 02:06:20.734818  PCI: 00:19.0 init ...

 1443 02:06:20.739244  PCI: 00:19.0 init finished in 2231 usecs

 1444 02:06:20.742532  PCI: 00:1c.0 init ...

 1445 02:06:20.746403  PCI: 00:1c.0 init finished in 2232 usecs

 1446 02:06:20.749088  PCI: 00:1f.0 init ...

 1447 02:06:20.750222  RTC Init

 1448 02:06:20.754981  PCI: 00:1f.0 init finished in 3560 usecs

 1449 02:06:20.757585  PCI: 00:1f.1 init ...

 1450 02:06:20.761456  PCI: 00:1f.1 init finished in 2231 usecs

 1451 02:06:20.763920  PCI: 01:00.0 init ...

 1452 02:06:20.768133  PCI: 01:00.0 init finished in 2347 usecs

 1453 02:06:20.772662  PNP: 0c09.0 init ...

 1454 02:06:20.774364  Keyboard init...

 1455 02:06:20.791406  PS/2 keyboard initialized on primary channel

 1456 02:06:20.794974  Google Chrome EC: Initializing keyboard.

 1457 02:06:20.800343  Google Chrome EC: Hello got back 11223344 status (0)

 1458 02:06:20.803697  Google Chrome EC: version:

 1459 02:06:20.807349      ro: coral_v1.1.7292-04956f5df

 1460 02:06:20.810536      rw: coral_v1.1.7292-04956f5df

 1461 02:06:20.813265    running image: 1

 1462 02:06:20.816652  PNP: 0c09.0 init finished in 42168 usecs

 1463 02:06:20.819886  Devices initialized

 1464 02:06:20.822787  Show all devs... After init.

 1465 02:06:20.824284  Root Device: enabled 1

 1466 02:06:20.827428  CPU_CLUSTER: 0: enabled 1

 1467 02:06:20.828875  APIC: 00: enabled 1

 1468 02:06:20.832040  DOMAIN: 0000: enabled 1

 1469 02:06:20.833739  PCI: 00:00.0: enabled 1

 1470 02:06:20.836706  PCI: 00:00.1: enabled 1

 1471 02:06:20.839086  PCI: 00:00.2: enabled 1

 1472 02:06:20.840808  PCI: 00:02.0: enabled 1

 1473 02:06:20.843485  PCI: 00:03.0: enabled 1

 1474 02:06:20.845910  PCI: 00:0d.0: enabled 1

 1475 02:06:20.848366  PCI: 00:0d.1: enabled 1

 1476 02:06:20.851366  PCI: 00:0d.2: enabled 1

 1477 02:06:20.853431  PCI: 00:0d.3: enabled 1

 1478 02:06:20.856154  PCI: 00:0e.0: enabled 1

 1479 02:06:20.858145  GENERIC: 0.0: enabled 1

 1480 02:06:20.861246  PCI: 00:11.0: enabled 0

 1481 02:06:20.863555  PCI: 00:12.0: enabled 0

 1482 02:06:20.865833  PCI: 00:13.0: enabled 0

 1483 02:06:20.868319  PCI: 00:13.1: enabled 0

 1484 02:06:20.870366  PCI: 00:13.2: enabled 0

 1485 02:06:20.872577  PCI: 00:13.3: enabled 0

 1486 02:06:20.875068  PCI: 00:14.0: enabled 1

 1487 02:06:20.877947  PCI: 01:00.0: enabled 1

 1488 02:06:20.880902  PCI: 00:14.1: enabled 0

 1489 02:06:20.882523  PCI: 00:15.0: enabled 1

 1490 02:06:20.884909  PCI: 00:15.1: enabled 0

 1491 02:06:20.887679  PCI: 00:16.0: enabled 1

 1492 02:06:20.889737  I2C: 01:1a: enabled 1

 1493 02:06:20.892306  PCI: 00:16.1: enabled 1

 1494 02:06:20.895351  PCI: 00:16.2: enabled 1

 1495 02:06:20.896567  I2C: 02:50: enabled 1

 1496 02:06:20.898994  PCI: 00:16.3: enabled 1

 1497 02:06:20.901957  I2C: 03:10: enabled 1

 1498 02:06:20.903605  I2C: 03:39: enabled 1

 1499 02:06:20.905808  PCI: 00:17.0: enabled 1

 1500 02:06:20.908482  I2C: 04:15: enabled 1

 1501 02:06:20.910636  I2C: 04:2c: enabled 1

 1502 02:06:20.912959  PCI: 00:17.1: enabled 1

 1503 02:06:20.914940  I2C: 05:09: enabled 1

 1504 02:06:20.917956  PCI: 00:17.2: enabled 0

 1505 02:06:20.920432  PCI: 00:17.3: enabled 0

 1506 02:06:20.922296  PCI: 00:18.0: enabled 1

 1507 02:06:20.925082  PCI: 00:18.1: enabled 1

 1508 02:06:20.928123  PCI: 00:18.2: enabled 1

 1509 02:06:20.930350  PCI: 00:18.3: enabled 0

 1510 02:06:20.932587  PCI: 00:19.0: enabled 1

 1511 02:06:20.935017  PCI: 00:19.1: enabled 0

 1512 02:06:20.936947  PCI: 00:19.2: enabled 0

 1513 02:06:20.939610  PCI: 00:1a.0: enabled 0

 1514 02:06:20.942304  PCI: 00:1b.0: enabled 1

 1515 02:06:20.944995  PCI: 00:1c.0: enabled 1

 1516 02:06:20.946937  PCI: 00:1e.0: enabled 0

 1517 02:06:20.950118  PCI: 00:1f.0: enabled 1

 1518 02:06:20.951558  PNP: 0c09.0: enabled 1

 1519 02:06:20.954684  PCI: 00:1f.1: enabled 1

 1520 02:06:20.956800  PCI: 00:0f.0: enabled 1

 1521 02:06:20.959164  PCI: 00:0f.1: enabled 1

 1522 02:06:20.961424  PCI: 00:0f.2: enabled 1

 1523 02:06:20.963781  APIC: 06: enabled 1

 1524 02:06:20.965311  APIC: 02: enabled 1

 1525 02:06:20.967962  APIC: 04: enabled 1

 1526 02:06:20.974543  BS: BS_DEV_INIT times (us): entry 4983 run 881069 exit 886

 1527 02:06:20.981125  ELOG: Event(A1) added with size 10 at 2023-06-14 02:06:20 UTC

 1528 02:06:20.988968  elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b

 1529 02:06:20.995055  ELOG: Event(A0) added with size 9 at 2023-06-14 02:06:20 UTC

 1530 02:06:20.999151  elog_add_boot_reason: Logged dev mode boot

 1531 02:06:21.002055  Finalize devices...

 1532 02:06:21.003445  Devices finalized

 1533 02:06:21.008634  FMAP: area RW_NVRAM found @ 42a000 (20480 bytes)

 1534 02:06:21.015409  BS: BS_POST_DEVICE times (us): entry 24867 run 3941 exit 5258

 1535 02:06:21.020333  BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0

 1536 02:06:21.025544  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1537 02:06:21.028200  CBFS @ 205000 size 17b000

 1538 02:06:21.033460  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1539 02:06:21.037341  CBFS: Locating 'fallback/dsdt.aml'

 1540 02:06:21.041932  CBFS: Found @ offset b7600 size 2e40

 1541 02:06:21.046075  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1542 02:06:21.049027  CBFS @ 205000 size 17b000

 1543 02:06:21.054114  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1544 02:06:21.056997  CBFS: Locating 'fallback/slic'

 1545 02:06:21.061715  CBFS: 'fallback/slic' not found.

 1546 02:06:21.064766  ACPI: Writing ACPI tables at 7ab10000.

 1547 02:06:21.066218  ACPI:    * FACS

 1548 02:06:21.068272  ACPI:    * DSDT

 1549 02:06:21.071849  Ramoops buffer: 0x100000@0x7aa10000.

 1550 02:06:21.074363  ACPI:    * FADT

 1551 02:06:21.076355  SCI is IRQ9

 1552 02:06:21.079475  ACPI: added table 1/32, length now 40

 1553 02:06:21.081679  ACPI:     * SSDT

 1554 02:06:21.085038  Found 1 CPU(s) with 4 core(s) each.

 1555 02:06:21.087896  Turbo is available and visible

 1556 02:06:21.093354  PSS: 1101MHz power 6000 control 0x1900 status 0x1900

 1557 02:06:21.098150  PSS: 1100MHz power 6000 control 0xb00 status 0xb00

 1558 02:06:21.103294  PSS: 1000MHz power 5388 control 0xa00 status 0xa00

 1559 02:06:21.108379  PSS: 800MHz power 4213 control 0x800 status 0x800

 1560 02:06:21.113473  PSS: 1101MHz power 6000 control 0x1900 status 0x1900

 1561 02:06:21.118429  PSS: 1100MHz power 6000 control 0xb00 status 0xb00

 1562 02:06:21.123697  PSS: 1000MHz power 5388 control 0xa00 status 0xa00

 1563 02:06:21.129020  PSS: 800MHz power 4213 control 0x800 status 0x800

 1564 02:06:21.134003  PSS: 1101MHz power 6000 control 0x1900 status 0x1900

 1565 02:06:21.140214  PSS: 1100MHz power 6000 control 0xb00 status 0xb00

 1566 02:06:21.144246  PSS: 1000MHz power 5388 control 0xa00 status 0xa00

 1567 02:06:21.150279  PSS: 800MHz power 4213 control 0x800 status 0x800

 1568 02:06:21.154862  PSS: 1101MHz power 6000 control 0x1900 status 0x1900

 1569 02:06:21.160188  PSS: 1100MHz power 6000 control 0xb00 status 0xb00

 1570 02:06:21.164457  PSS: 1000MHz power 5388 control 0xa00 status 0xa00

 1571 02:06:21.169431  PSS: 800MHz power 4213 control 0x800 status 0x800

 1572 02:06:21.174940  \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier

 1573 02:06:21.179084  Error: Could not locate 'wifi_sar' in VPD

 1574 02:06:21.183612  Error: failed from getting SAR limits!

 1575 02:06:21.188874  \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0

 1576 02:06:21.192103  lpss_i2c: bad counts. hcnt = -8 lcnt = 14

 1577 02:06:21.200004  \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91

 1578 02:06:21.204198  lpss_i2c: bad counts. hcnt = -5 lcnt = 17

 1579 02:06:21.207917  \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50

 1580 02:06:21.212339  lpss_i2c: bad counts. hcnt = -1 lcnt = 77

 1581 02:06:21.217162  lpss_i2c: bad counts. hcnt = -23 lcnt = 32

 1582 02:06:21.222343  \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10

 1583 02:06:21.227361  \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39

 1584 02:06:21.231957  lpss_i2c: bad counts. hcnt = -1 lcnt = 72

 1585 02:06:21.236157  lpss_i2c: bad counts. hcnt = -23 lcnt = 27

 1586 02:06:21.241311  \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15

 1587 02:06:21.246144  \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c

 1588 02:06:21.250767  lpss_i2c: bad counts. hcnt = -5 lcnt = 4

 1589 02:06:21.255787  \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09

 1590 02:06:21.259449  ACPI: added table 2/32, length now 44

 1591 02:06:21.260896  ACPI:    * MCFG

 1592 02:06:21.264418  ACPI: added table 3/32, length now 48

 1593 02:06:21.266148  ACPI:    * TCPA

 1594 02:06:21.268792  TCPA log created at 7aa00000

 1595 02:06:21.273719  ACPI: added table 4/32, length now 52

 1596 02:06:21.274452  ACPI:    * MADT

 1597 02:06:21.276136  SCI is IRQ9

 1598 02:06:21.279926  ACPI: added table 5/32, length now 56

 1599 02:06:21.281427  current = 7ab14920

 1600 02:06:21.286873  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1601 02:06:21.289815  CBFS @ 205000 size 17b000

 1602 02:06:21.294822  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1603 02:06:21.298796  CBFS: Locating 'dmic-4ch-48khz-16b.bin'

 1604 02:06:21.302042  CBFS: Found @ offset 2e1c0 size be8

 1605 02:06:21.305113  Added 4CH DMIC array.

 1606 02:06:21.309596  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1607 02:06:21.312238  CBFS @ 205000 size 17b000

 1608 02:06:21.317654  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1609 02:06:21.321579  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1610 02:06:21.326186  CBFS: Found @ offset 2ef00 size 64

 1611 02:06:21.330598  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1612 02:06:21.333602  CBFS @ 205000 size 17b000

 1613 02:06:21.338251  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1614 02:06:21.342792  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1615 02:06:21.345958  CBFS: Found @ offset 2ef00 size 64

 1616 02:06:21.348251  Added Dialog_7219 codec.

 1617 02:06:21.353900  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1618 02:06:21.356314  CBFS @ 205000 size 17b000

 1619 02:06:21.361676  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1620 02:06:21.366907  CBFS: Locating 'max98357-render-2ch-48khz-24b.bin'

 1621 02:06:21.371316  CBFS: Found @ offset 2ee00 size 74

 1622 02:06:21.373171  Added Maxim_98357 codec.

 1623 02:06:21.374400  ACPI:    * NHLT

 1624 02:06:21.378148  ACPI: added table 6/32, length now 60

 1625 02:06:21.381886  ACPI:    * IGD OpRegion

 1626 02:06:21.382789  ACPI:    * HPET

 1627 02:06:21.386620  ACPI: added table 7/32, length now 64

 1628 02:06:21.387354  ACPI: done.

 1629 02:06:21.390039  ACPI tables: 30656 bytes.

 1630 02:06:21.393379  smbios_write_tables: 7a9fd000

 1631 02:06:21.395700  Create SMBIOS type 17

 1632 02:06:21.397905  Root Device (Google Coral)

 1633 02:06:21.402287  CPU_CLUSTER: 0 (Intel Apollolake SOC)

 1634 02:06:21.405063  APIC: 00 (Intel Apollolake SOC)

 1635 02:06:21.408753  DOMAIN: 0000 (Intel Apollolake SOC)

 1636 02:06:21.412065  PCI: 00:00.0 (Intel Apollolake SOC)

 1637 02:06:21.415833  PCI: 00:00.1 (Intel Apollolake SOC)

 1638 02:06:21.420054  PCI: 00:00.2 (Intel Apollolake SOC)

 1639 02:06:21.422821  PCI: 00:02.0 (Intel Apollolake SOC)

 1640 02:06:21.426360  PCI: 00:03.0 (Intel Apollolake SOC)

 1641 02:06:21.430392  PCI: 00:0d.0 (Intel Apollolake SOC)

 1642 02:06:21.434881  PCI: 00:0d.1 (Intel Apollolake SOC)

 1643 02:06:21.437535  PCI: 00:0d.2 (Intel Apollolake SOC)

 1644 02:06:21.441224  PCI: 00:0d.3 (Intel Apollolake SOC)

 1645 02:06:21.444994  PCI: 00:0e.0 (Intel Apollolake SOC)

 1646 02:06:21.449614  GENERIC: 0.0 (Maxim Integrated 98357A Amplifier)

 1647 02:06:21.453900  PCI: 00:11.0 (Intel Apollolake SOC)

 1648 02:06:21.456628  PCI: 00:12.0 (Intel Apollolake SOC)

 1649 02:06:21.460933  PCI: 00:13.0 (Intel Apollolake SOC)

 1650 02:06:21.464028  PCI: 00:13.1 (Intel Apollolake SOC)

 1651 02:06:21.467557  PCI: 00:13.2 (Intel Apollolake SOC)

 1652 02:06:21.471103  PCI: 00:13.3 (Intel Apollolake SOC)

 1653 02:06:21.474756  PCI: 00:14.0 (Intel Apollolake SOC)

 1654 02:06:21.477613  PCI: 01:00.0 (Intel WiFi)

 1655 02:06:21.481403  PCI: 00:14.1 (Intel Apollolake SOC)

 1656 02:06:21.485063  PCI: 00:15.0 (Intel Apollolake SOC)

 1657 02:06:21.488096  PCI: 00:15.1 (Intel Apollolake SOC)

 1658 02:06:21.491963  PCI: 00:16.0 (Intel Apollolake SOC)

 1659 02:06:21.499340  I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec)

 1660 02:06:21.500742  PCI: 00:16.1 (Intel Apollolake SOC)

 1661 02:06:21.504546  PCI: 00:16.2 (Intel Apollolake SOC)

 1662 02:06:21.506647  I2C: 02:50 (I2C TPM)

 1663 02:06:21.509957  PCI: 00:16.3 (Intel Apollolake SOC)

 1664 02:06:21.513966  I2C: 03:10 (I2C Device)

 1665 02:06:21.515993  I2C: 03:39 (I2C Device)

 1666 02:06:21.518493  PCI: 00:17.0 (Intel Apollolake SOC)

 1667 02:06:21.520930  I2C: 04:15 (I2C Device)

 1668 02:06:21.524331  I2C: 04:2c (I2C HID Device)

 1669 02:06:21.527858  PCI: 00:17.1 (Intel Apollolake SOC)

 1670 02:06:21.530584  I2C: 05:09 (I2C HID Device)

 1671 02:06:21.533919  PCI: 00:17.2 (Intel Apollolake SOC)

 1672 02:06:21.537956  PCI: 00:17.3 (Intel Apollolake SOC)

 1673 02:06:21.540943  PCI: 00:18.0 (Intel Apollolake SOC)

 1674 02:06:21.544406  PCI: 00:18.1 (Intel Apollolake SOC)

 1675 02:06:21.548519  PCI: 00:18.2 (Intel Apollolake SOC)

 1676 02:06:21.552811  PCI: 00:18.3 (Intel Apollolake SOC)

 1677 02:06:21.556062  PCI: 00:19.0 (Intel Apollolake SOC)

 1678 02:06:21.559388  PCI: 00:19.1 (Intel Apollolake SOC)

 1679 02:06:21.562575  PCI: 00:19.2 (Intel Apollolake SOC)

 1680 02:06:21.566339  PCI: 00:1a.0 (Intel Apollolake SOC)

 1681 02:06:21.569906  PCI: 00:1b.0 (Intel Apollolake SOC)

 1682 02:06:21.573298  PCI: 00:1c.0 (Intel Apollolake SOC)

 1683 02:06:21.577447  PCI: 00:1e.0 (Intel Apollolake SOC)

 1684 02:06:21.581326  PCI: 00:1f.0 (Intel Apollolake SOC)

 1685 02:06:21.584029  PNP: 0c09.0 (Google Chrome EC)

 1686 02:06:21.588220  PCI: 00:1f.1 (Intel Apollolake SOC)

 1687 02:06:21.590281  PCI: 00:0f.0 (unknown)

 1688 02:06:21.592253  PCI: 00:0f.1 (unknown)

 1689 02:06:21.594500  PCI: 00:0f.2 (unknown)

 1690 02:06:21.596912  APIC: 06 (unknown)

 1691 02:06:21.598348  APIC: 02 (unknown)

 1692 02:06:21.600436  APIC: 04 (unknown)

 1693 02:06:21.603305  SMBIOS tables: 839 bytes.

 1694 02:06:21.607692  Writing table forward entry at 0x00000500

 1695 02:06:21.613265  Wrote coreboot table at: 00000500, 0x10 bytes, checksum 452b

 1696 02:06:21.616716  Writing coreboot table at 0x7ab34000

 1697 02:06:21.623168   0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES

 1698 02:06:21.627200   1. 0000000000001000-000000000009ffff: RAM

 1699 02:06:21.632101   2. 00000000000a0000-00000000000fffff: RESERVED

 1700 02:06:21.636521   3. 0000000000100000-000000000fffffff: RAM

 1701 02:06:21.642375   4. 0000000010000000-0000000012150fff: RESERVED

 1702 02:06:21.645601   5. 0000000012151000-000000007a9fcfff: RAM

 1703 02:06:21.651684   6. 000000007a9fd000-000000007affffff: CONFIGURATION TABLES

 1704 02:06:21.656081   7. 000000007b000000-000000007fffffff: RESERVED

 1705 02:06:21.661049   8. 00000000d0000000-00000000d0ffffff: RESERVED

 1706 02:06:21.665697   9. 00000000e0000000-00000000efffffff: RESERVED

 1707 02:06:21.670701  10. 00000000fed10000-00000000fed17fff: RESERVED

 1708 02:06:21.675671  11. 0000000100000000-000000017fffffff: RAM

 1709 02:06:21.678997  Graphics framebuffer located at 0xb0000000

 1710 02:06:21.682139  Passing 6 GPIOs to payload:

 1711 02:06:21.687639              NAME |       PORT | POLARITY |     VALUE

 1712 02:06:21.692526     write protect |  undefined |     high |      high

 1713 02:06:21.697644          recovery |  undefined |     high |      high

 1714 02:06:21.704036               lid |  undefined |     high |       low

 1715 02:06:21.708462             power |  undefined |     high |      high

 1716 02:06:21.714086             oprom |  undefined |     high |      high

 1717 02:06:21.719119          EC in RW | 0x00000029 |     high |      high

 1718 02:06:21.723710  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1719 02:06:21.726500  CBFS @ 205000 size 17b000

 1720 02:06:21.731820  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1721 02:06:21.738381  Wrote coreboot table at: 7ab34000, 0x5f4 bytes, checksum d3a5

 1722 02:06:21.741093  coreboot table: 1548 bytes.

 1723 02:06:21.744283  IMD ROOT    0. 7afff000 00001000

 1724 02:06:21.747829  IMD SMALL   1. 7affe000 00001000

 1725 02:06:21.750913  FSP MEMORY  2. 7abfe000 00400000

 1726 02:06:21.753976  CONSOLE     3. 7abde000 00020000

 1727 02:06:21.757395  TIME STAMP  4. 7abdd000 00000400

 1728 02:06:21.760741  VBOOT       5. 7abdc000 00000c0c

 1729 02:06:21.764138  MRC DATA    6. 7abd0000 0000b2d0

 1730 02:06:21.767719  ROMSTG STCK 7. 7abcf000 00000400

 1731 02:06:21.770804  AFTER CAR   8. 7abc5000 0000a000

 1732 02:06:21.773966  RAMSTAGE    9. 7ab77000 0004e000

 1733 02:06:21.777866  REFCODE    10. 7ab4d000 0002a000

 1734 02:06:21.780958  ACPI GNVS  11. 7ab4c000 00001000

 1735 02:06:21.784374  SMM BACKUP 12. 7ab3c000 00010000

 1736 02:06:21.787922  COREBOOT   13. 7ab34000 00008000

 1737 02:06:21.790456  ACPI       14. 7ab10000 00024000

 1738 02:06:21.794060  RAMOOPS    15. 7aa10000 00100000

 1739 02:06:21.797179  TCPA LOG   16. 7aa00000 00010000

 1740 02:06:21.800551  EXT VBT17. 7a9fe000 0000180a

 1741 02:06:21.804035  SMBIOS     18. 7a9fd000 00000800

 1742 02:06:21.805275  IMD small region:

 1743 02:06:21.808902    IMD ROOT    0. 7affec00 00000400

 1744 02:06:21.812876    FSP RUNTIME 1. 7affebe0 00000004

 1745 02:06:21.816303    VBOOT SEL   2. 7affebc0 00000008

 1746 02:06:21.819875    EC HOSTEVENT 3. 7affeba0 00000004

 1747 02:06:21.823236    POWER STATE 4. 7affeb60 00000040

 1748 02:06:21.826786    ROMSTAGE    5. 7affeb40 00000004

 1749 02:06:21.830223    VARMRC DATA 6. 7affeb00 00000028

 1750 02:06:21.833732    MEM INFO    7. 7affe9a0 00000141

 1751 02:06:21.836977    VPD         8. 7affe940 00000047

 1752 02:06:21.841560    GNVS PTR    9. 7affe920 00000004

 1753 02:06:21.846407  BS: BS_WRITE_TABLES times (us): entry 0 run 816018 exit 0

 1754 02:06:21.851599  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1755 02:06:21.854359  CBFS @ 205000 size 17b000

 1756 02:06:21.859987  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1757 02:06:21.863290  CBFS: Locating 'fallback/payload'

 1758 02:06:21.867045  CBFS: Found @ offset f6d00 size 36dd4

 1759 02:06:21.871109  Loading segment from ROM address 0xff37cd38

 1760 02:06:21.873654    code (compression=0)

 1761 02:06:21.882049    New segment dstaddr 0x30104040 memsize 0x251570 srcaddr 0xff37cd70 filesize 0x36d9c

 1762 02:06:21.886716  Loading segment from ROM address 0xff37cd54

 1763 02:06:21.889219    Entry Point 0x30104040

 1764 02:06:21.900252  Loading Segment: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c

 1765 02:06:21.903286  lb: [0x000000007ab78000, 0x000000007abc4bb0)

 1766 02:06:21.912176  Post relocation: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c

 1767 02:06:21.914278  it's not compressed!

 1768 02:06:21.941458  [ 0x30104040, 3013addc, 0x303555b0) <- ff37cd70

 1769 02:06:21.948032  Clearing Segment: addr: 0x000000003013addc memsz: 0x000000000021a7d4

 1770 02:06:21.953828  dest 30104040, end 303555b0, bouncebuffer ffffffff

 1771 02:06:21.955096  Loaded segments

 1772 02:06:21.967616  CSE FWSTS1: 0x80000245

 1773 02:06:21.970120  CSE FWSTS2: 0x3b850000

 1774 02:06:21.972250  CSE FWSTS3: 0x00000000

 1775 02:06:21.975037  CSE FWSTS4: 0x00080000

 1776 02:06:21.977182  CSE FWSTS5: 0x00000000

 1777 02:06:21.979430  CSE FWSTS6: 0x40000000

 1778 02:06:21.983088  ME: Manufacturing Mode      : NO

 1779 02:06:21.986606  ME: FPF status              : fused

 1780 02:06:21.992582  BS: BS_PAYLOAD_LOAD times (us): entry 173 run 108009 exit 30935

 1781 02:06:21.996782  Jumping to boot code at 30104040(7ab34000)

 1782 02:06:22.006349  CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes

 1783 02:06:22.006855  

 1784 02:06:22.007267  

 1785 02:06:22.007618  

 1786 02:06:22.009575  Starting depthcharge on coral...

 1787 02:06:22.010049  

 1788 02:06:22.011635  end: 2.2.3 depthcharge-start (duration 00:00:13) [common]
 1789 02:06:22.012187  start: 2.2.4 bootloader-commands (timeout 00:04:41) [common]
 1790 02:06:22.012637  Setting prompt string to ['coral:']
 1791 02:06:22.013059  bootloader-commands: Wait for prompt ['coral:'] (timeout 00:04:41)
 1792 02:06:22.017850  WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime!

 1793 02:06:22.018327  

 1794 02:06:22.025596  WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime!

 1795 02:06:22.026065  

 1796 02:06:22.027740  BIOS MMAP details:

 1797 02:06:22.028208  

 1798 02:06:22.029154  IFD Base Offset  : 0x1000

 1799 02:06:22.029748  

 1800 02:06:22.032236  IFD End Offset   : 0xf7f000

 1801 02:06:22.032702  

 1802 02:06:22.035514  MMAP Size        : 0xf7e000

 1803 02:06:22.036103  

 1804 02:06:22.038501  MMAP Start       : 0xff082000

 1805 02:06:22.038997  

 1806 02:06:22.043265  The GBB signature is at 0x30004040 and is:  24 47 42 42

 1807 02:06:22.045901  

 1808 02:06:22.051220  [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32

 1809 02:06:22.051690  

 1810 02:06:22.052056  

 1811 02:06:22.052469  

 1812 02:06:22.053567  Setting prompt string to ['coral:', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}']
 1814 02:06:22.154964  coral: enet dhcp

 1815 02:06:22.155621  bootloader-commands: Wait for prompt ['coral:', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}'] (timeout 00:04:41)
 1816 02:06:22.158709  enet dhcp

 1817 02:06:22.159159  

 1818 02:06:22.159585  Waiting for link

 1819 02:06:22.885040  

 1820 02:06:22.886907  R8152: Initializing

 1821 02:06:22.887383  

 1822 02:06:22.889399  Version 9 (ocp_data = 6010)

 1823 02:06:22.890442  

 1824 02:06:22.892810  R8152: Done initializing

 1825 02:06:22.893274  

 1826 02:06:22.894816  Adding net device

 1827 02:06:23.096120  

 1828 02:06:23.096697  done.

 1829 02:06:23.097090  

 1830 02:06:23.098728  MAC: 00:e0:4c:78:86:ca

 1831 02:06:23.099523  

 1832 02:06:23.101636  Sending DHCP discover... done.

 1833 02:06:23.102732  

 1834 02:06:23.104240  Waiting for reply... done.

 1835 02:06:23.105009  

 1836 02:06:23.107577  Sending DHCP request... done.

 1837 02:06:23.108330  

 1838 02:06:23.112609  Waiting for reply... done.

 1839 02:06:23.113401  

 1840 02:06:23.115518  My ip is 192.168.201.17

 1841 02:06:23.115989  

 1842 02:06:23.118832  The DHCP server ip is 192.168.201.1

 1843 02:06:23.119300  

 1844 02:06:23.119735  

 1846 02:06:23.221259  coral: tftpboot 192.168.201.1 10716722/tftp-deploy-tkgwk6jk/kernel/bzImage 10716722/tftp-deploy-tkgwk6jk/kernel/cmdline 10716722/tftp-deploy-tkgwk6jk/ramdisk/ramdisk.cpio.gz

 1847 02:06:23.221993  Setting prompt string to ['Starting kernel', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}']
 1848 02:06:23.222738  bootloader-commands: Wait for prompt ['Starting kernel', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}'] (timeout 00:04:40)
 1849 02:06:23.224153  tftpboot 192.168.201.1 10716722/tftp-deploy-tkgwk6jk/kernel/bzImploy-tkgwk6jk/kernel/cmdline 10716722/tftp-deploy-tkgwk6jk/ramdisk/ramdisk.cpio.gz

 1850 02:06:23.266039  

 1851 02:06:23.266641  Waiting for link

 1852 02:06:23.426893  

 1853 02:06:23.427781  done.

 1854 02:06:23.428181  

 1855 02:06:23.429941  MAC: 00:e0:4c:78:86:ca

 1856 02:06:23.430414  

 1857 02:06:23.433124  Sending DHCP discover... done.

 1858 02:06:23.433648  

 1859 02:06:23.435640  Waiting for reply... done.

 1860 02:06:23.436116  

 1861 02:06:23.439058  Sending DHCP request... done.

 1862 02:06:23.439535  

 1863 02:06:23.441133  Waiting for reply... done.

 1864 02:06:23.441953  

 1865 02:06:23.443817  My ip is 192.168.201.17

 1866 02:06:23.444293  

 1867 02:06:23.447689  The DHCP server ip is 192.168.201.1

 1868 02:06:23.448167  

 1869 02:06:23.451999  TFTP server IP predefined by user: 192.168.201.1

 1870 02:06:23.452811  

 1871 02:06:23.460694  Bootfile predefined by user: 10716722/tftp-deploy-tkgwk6jk/kernel/bzImage

 1872 02:06:23.461227  

 1873 02:06:23.463391  Sending tftp read request... done.

 1874 02:06:23.463868  

 1875 02:06:23.468999  Waiting for the transfer... 

 1876 02:06:23.469824  

 1877 02:06:23.754326  00000000 ################################################################

 1878 02:06:23.755186  

 1879 02:06:24.003519  00080000 ################################################################

 1880 02:06:24.003898  

 1881 02:06:24.226306  00100000 ################################################################

 1882 02:06:24.227016  

 1883 02:06:24.497955  00180000 ################################################################

 1884 02:06:24.498567  

 1885 02:06:24.752317  00200000 ################################################################

 1886 02:06:24.752789  

 1887 02:06:25.013842  00280000 ################################################################

 1888 02:06:25.014170  

 1889 02:06:25.284306  00300000 ################################################################

 1890 02:06:25.284731  

 1891 02:06:25.556786  00380000 ################################################################

 1892 02:06:25.557175  

 1893 02:06:25.841372  00400000 ################################################################

 1894 02:06:25.841763  

 1895 02:06:26.097312  00480000 ################################################################

 1896 02:06:26.098041  

 1897 02:06:26.336866  00500000 ################################################################

 1898 02:06:26.337642  

 1899 02:06:26.577181  00580000 ################################################################

 1900 02:06:26.577621  

 1901 02:06:26.839882  00600000 ################################################################

 1902 02:06:26.840376  

 1903 02:06:27.095290  00680000 ################################################################

 1904 02:06:27.096104  

 1905 02:06:27.343480  00700000 ################################################################

 1906 02:06:27.344382  

 1907 02:06:27.628374  00780000 ################################################################

 1908 02:06:27.629326  

 1909 02:06:27.913389  00800000 ################################################################

 1910 02:06:27.914422  

 1911 02:06:28.198712  00880000 ################################################################

 1912 02:06:28.199280  

 1913 02:06:28.476448  00900000 ################################################################

 1914 02:06:28.477085  

 1915 02:06:28.717393  00980000 ################################################################

 1916 02:06:28.717981  

 1917 02:06:28.970940  00a00000 ################################################################

 1918 02:06:28.971717  

 1919 02:06:29.231171  00a80000 ################################################################

 1920 02:06:29.231642  

 1921 02:06:29.516868  00b00000 ################################################################

 1922 02:06:29.517227  

 1923 02:06:29.779505  00b80000 ################################################################

 1924 02:06:29.780815  

 1925 02:06:30.064709  00c00000 ################################################################

 1926 02:06:30.065064  

 1927 02:06:30.325766  00c80000 ################################################################

 1928 02:06:30.326182  

 1929 02:06:30.601996  00d00000 ################################################################

 1930 02:06:30.603034  

 1931 02:06:30.869852  00d80000 ################################################################

 1932 02:06:30.870267  

 1933 02:06:31.155690  00e00000 ################################################################

 1934 02:06:31.156067  

 1935 02:06:31.441906  00e80000 ################################################################

 1936 02:06:31.442422  

 1937 02:06:31.686125  00f00000 ################################################################

 1938 02:06:31.687137  

 1939 02:06:31.759738  00f80000 ################## done.

 1940 02:06:31.759864  

 1941 02:06:31.763155  The bootfile was 16397280 bytes long.

 1942 02:06:31.763513  

 1943 02:06:31.767068  Sending tftp read request... done.

 1944 02:06:31.767167  

 1945 02:06:31.770233  Waiting for the transfer... 

 1946 02:06:31.770322  

 1947 02:06:32.118986  00000000 ################################################################

 1948 02:06:32.119754  

 1949 02:06:32.390584  00080000 ################################################################

 1950 02:06:32.391604  

 1951 02:06:32.663009  00100000 ################################################################

 1952 02:06:32.663489  

 1953 02:06:32.933650  00180000 ################################################################

 1954 02:06:32.934216  

 1955 02:06:33.205136  00200000 ################################################################

 1956 02:06:33.205688  

 1957 02:06:33.476707  00280000 ################################################################

 1958 02:06:33.477328  

 1959 02:06:33.738921  00300000 ################################################################

 1960 02:06:33.739934  

 1961 02:06:33.978791  00380000 ################################################################

 1962 02:06:33.979571  

 1963 02:06:34.218342  00400000 ################################################################

 1964 02:06:34.219005  

 1965 02:06:34.457892  00480000 ################################################################

 1966 02:06:34.458273  

 1967 02:06:34.693254  00500000 ################################################################

 1968 02:06:34.694602  

 1969 02:06:34.932841  00580000 ################################################################

 1970 02:06:34.933225  

 1971 02:06:35.172688  00600000 ################################################################

 1972 02:06:35.173301  

 1973 02:06:35.412412  00680000 ################################################################

 1974 02:06:35.413759  

 1975 02:06:35.652665  00700000 ################################################################

 1976 02:06:35.653217  

 1977 02:06:35.892348  00780000 ################################################################

 1978 02:06:35.892778  

 1979 02:06:36.133530  00800000 ################################################################

 1980 02:06:36.134192  

 1981 02:06:36.373883  00880000 ################################################################

 1982 02:06:36.374283  

 1983 02:06:36.613854  00900000 ################################################################

 1984 02:06:36.614368  

 1985 02:06:36.854180  00980000 ################################################################

 1986 02:06:36.855086  

 1987 02:06:36.928467  00a00000 #################### done.

 1988 02:06:36.928824  

 1989 02:06:36.932189  Sending tftp read request... done.

 1990 02:06:36.932274  

 1991 02:06:36.935533  Waiting for the transfer... 

 1992 02:06:36.935617  

 1993 02:06:36.936922  00000000 # done.

 1994 02:06:36.937047  

 1995 02:06:36.947031  Command line loaded dynamically from TFTP file: 10716722/tftp-deploy-tkgwk6jk/kernel/cmdline

 1996 02:06:36.947135  

 1997 02:06:36.973431  The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10716722/extract-nfsrootfs-u07vnftj,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1998 02:06:36.979819  

 1999 02:06:36.983120  Shutting down all USB controllers.

 2000 02:06:36.983939  

 2001 02:06:36.988920  Removing current net device

 2002 02:06:36.989170  

 2003 02:06:36.989374  Finalizing Coreboot

 2004 02:06:36.989633  

 2005 02:06:36.993515  Exiting depthcharge with code 4 at timestamp: 22007469

 2006 02:06:36.993830  

 2007 02:06:36.994153  

 2008 02:06:36.995772  Starting kernel ...

 2009 02:06:36.996062  

 2010 02:06:36.996356  

 2011 02:06:36.997942  end: 2.2.4 bootloader-commands (duration 00:00:15) [common]
 2012 02:06:36.998224  start: 2.2.5 auto-login-action (timeout 00:04:26) [common]
 2013 02:06:36.998439  Setting prompt string to ['Linux version [0-9]']
 2014 02:06:36.998636  Setting prompt string to ['Linux version [0-9]', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}']
 2015 02:06:36.998837  auto-login-action: Wait for prompt ['Linux version [0-9]', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}'] (timeout 00:05:00)
 2016 02:06:38.780244  

 2017 02:06:38.785220  start: 2.2.5.1 login-action (timeout 00:04:24) [common]
 2018 02:06:38.785773  The string '/ #' does not look like a typical prompt and could match status messages instead. Please check the job log files and use a prompt string which matches the actual prompt string more closely.
 2019 02:06:38.786266  Setting prompt string to ['-\\[ cut here \\]', 'Unhandled fault', 'BUG: KCSAN:', 'BUG: KASAN:', 'BUG: KFENCE:', 'Oops(?: -|:)', 'WARNING:', '(kernel BUG at|BUG:)', 'invalid opcode:', 'Kernel panic - not syncing']
 2020 02:06:38.786673  Using line separator: #'\n'#
 2021 02:06:38.787067  No login prompt set.
 2022 02:06:38.787435  Parsing kernel messages
 2023 02:06:38.787758  ['-\\[ cut here \\]', 'Unhandled fault', 'BUG: KCSAN:', 'BUG: KASAN:', 'BUG: KFENCE:', 'Oops(?: -|:)', 'WARNING:', '(kernel BUG at|BUG:)', 'invalid opcode:', 'Kernel panic - not syncing', '/ #', 'Login timed out', 'Login incorrect']
 2024 02:06:38.788329  [login-action] Waiting for messages, (timeout 00:04:24)
 2025 02:06:38.803169  <5>[    0.000000] Linux version 5.10.182-cip35 (KernelCI@build-j32995-x86-64-gcc-10-x86-64-defconfig-x86-chromebookdxwnc) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Jun 14 01:54:33 UTC 2023

 2026 02:06:38.831431  <6>[    0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10716722/extract-nfsrootfs-u07vnftj,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2027 02:06:38.839570  <6>[    0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'

 2028 02:06:38.847203  <6>[    0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'

 2029 02:06:38.855645  <6>[    0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'

 2030 02:06:38.862127  <6>[    0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'

 2031 02:06:38.870242  <6>[    0.000000] x86/fpu: xstate_offset[3]:  576, xstate_sizes[3]:   64

 2032 02:06:38.876411  <6>[    0.000000] x86/fpu: xstate_offset[4]:  640, xstate_sizes[4]:   64

 2033 02:06:38.887242  <6>[    0.000000] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format.

 2034 02:06:38.892391  <6>[    0.000000] BIOS-provided physical RAM map:

 2035 02:06:38.900413  <6>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16

 2036 02:06:38.908589  <6>[    0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable

 2037 02:06:38.915882  <6>[    0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved

 2038 02:06:38.924146  <6>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffffff] usable

 2039 02:06:38.932567  <6>[    0.000000] BIOS-e820: [mem 0x0000000010000000-0x0000000012150fff] reserved

 2040 02:06:38.940413  <6>[    0.000000] BIOS-e820: [mem 0x0000000012151000-0x000000007a9fcfff] usable

 2041 02:06:38.948408  <6>[    0.000000] BIOS-e820: [mem 0x000000007a9fd000-0x000000007affffff] type 16

 2042 02:06:38.956996  <6>[    0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved

 2043 02:06:38.964805  <6>[    0.000000] BIOS-e820: [mem 0x00000000d0000000-0x00000000d0ffffff] reserved

 2044 02:06:38.972192  <6>[    0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved

 2045 02:06:38.980488  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed17fff] reserved

 2046 02:06:38.988440  <6>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable

 2047 02:06:38.994124  <6>[    0.000000] NX (Execute Disable) protection: active

 2048 02:06:38.997263  <6>[    0.000000] SMBIOS 2.7 present.

 2049 02:06:39.004770  <6>[    0.000000] DMI: Google Coral/Coral, BIOS  09/29/2020

 2050 02:06:39.008895  <6>[    0.000000] tsc: Detected 1094.400 MHz processor

 2051 02:06:39.015577  <6>[    0.000058] last_pfn = 0x180000 max_arch_pfn = 0x400000000

 2052 02:06:39.024321  <6>[    0.000305] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  

 2053 02:06:39.030326  <6>[    0.001154] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000

 2054 02:06:39.036693  <6>[    0.005277] check: Scanning 1 areas for low memory corruption

 2055 02:06:39.041768  <6>[    0.005290] Using GB pages for direct mapping

 2056 02:06:39.046862  <6>[    0.006047] RAMDISK: [mem 0x375d8000-0x37ffffff]

 2057 02:06:39.054862  <6>[    0.006055] ACPI: Early table checksum verification disabled

 2058 02:06:39.061001  <6>[    0.006063] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE  )

 2059 02:06:39.071055  <6>[    0.006074] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 2060 02:06:39.080478  <6>[    0.006087] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 2061 02:06:39.089982  <6>[    0.006101] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717)

 2062 02:06:39.095510  <6>[    0.006112] ACPI: FACS 0x000000007AB10240 000040

 2063 02:06:39.101729  <6>[    0.006121] ACPI: FACS 0x000000007AB10240 000040

 2064 02:06:39.110449  <6>[    0.006129] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE   COREBOOT 0000002A CORE 0000002A)

 2065 02:06:39.120969  <6>[    0.006139] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 2066 02:06:39.130774  <6>[    0.006149] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE   COREBOOT 00000000 CORE 00000000)

 2067 02:06:39.140537  <6>[    0.006158] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 2068 02:06:39.150245  <6>[    0.006168] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral  coral    00000021 CORE 00000000)

 2069 02:06:39.159743  <6>[    0.006178] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 2070 02:06:39.168027  <6>[    0.006188] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223]

 2071 02:06:39.176244  <6>[    0.006192] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127]

 2072 02:06:39.184763  <6>[    0.006196] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f]

 2073 02:06:39.192157  <6>[    0.006200] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f]

 2074 02:06:39.200222  <6>[    0.006204] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829]

 2075 02:06:39.209080  <6>[    0.006208] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b]

 2076 02:06:39.217335  <6>[    0.006212] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1]

 2077 02:06:39.224942  <6>[    0.006216] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b]

 2078 02:06:39.233235  <6>[    0.006220] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f]

 2079 02:06:39.241972  <6>[    0.006223] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7]

 2080 02:06:39.245760  <6>[    0.006344] No NUMA configuration found

 2081 02:06:39.255462  <6>[    0.006348] Faking a node at [mem 0x0000000000000000-0x000000017fffffff]

 2082 02:06:39.260579  <6>[    0.006358] NODE_DATA(0) allocated [mem 0x17fff9000-0x17fffcfff]

 2083 02:06:39.263592  <6>[    0.006403] Zone ranges:

 2084 02:06:39.270883  <6>[    0.006408]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]

 2085 02:06:39.279439  <6>[    0.006414]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]

 2086 02:06:39.285414  <6>[    0.006420]   Normal   [mem 0x0000000100000000-0x000000017fffffff]

 2087 02:06:39.291135  <6>[    0.006426] Movable zone start for each node

 2088 02:06:39.294675  <6>[    0.006430] Early memory node ranges

 2089 02:06:39.302275  <6>[    0.006434]   node   0: [mem 0x0000000000001000-0x000000000009ffff]

 2090 02:06:39.310026  <6>[    0.006438]   node   0: [mem 0x0000000000100000-0x000000000fffffff]

 2091 02:06:39.316472  <6>[    0.006442]   node   0: [mem 0x0000000012151000-0x000000007a9fcfff]

 2092 02:06:39.323745  <6>[    0.006446]   node   0: [mem 0x0000000100000000-0x000000017fffffff]

 2093 02:06:39.332754  <6>[    0.006452] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff]

 2094 02:06:39.339239  <6>[    0.006482] On node 0, zone DMA: 1 pages in unavailable ranges

 2095 02:06:39.345787  <6>[    0.006532] On node 0, zone DMA: 96 pages in unavailable ranges

 2096 02:06:39.353746  <6>[    0.013070] On node 0, zone DMA32: 8529 pages in unavailable ranges

 2097 02:06:39.360964  <6>[    0.020364] On node 0, zone Normal: 22019 pages in unavailable ranges

 2098 02:06:39.369554  <6>[    0.020398] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff]

 2099 02:06:39.373394  <6>[    0.020708] ACPI: PM-Timer IO Port: 0x408

 2100 02:06:39.381697  <6>[    0.020782] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119

 2101 02:06:39.388760  <6>[    0.020797] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)

 2102 02:06:39.396477  <6>[    0.020803] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)

 2103 02:06:39.403513  <6>[    0.020816] Using ACPI (MADT) for SMP configuration information

 2104 02:06:39.410609  <6>[    0.020821] ACPI: HPET id: 0x8086a701 base: 0xfed00000

 2105 02:06:39.414062  <6>[    0.020833] TSC deadline timer available

 2106 02:06:39.419789  <6>[    0.020838] smpboot: Allowing 4 CPUs, 0 hotplug CPUs

 2107 02:06:39.428678  <6>[    0.020871] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]

 2108 02:06:39.437335  <6>[    0.020877] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff]

 2109 02:06:39.445873  <6>[    0.020882] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff]

 2110 02:06:39.455372  <6>[    0.020887] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff]

 2111 02:06:39.463906  <6>[    0.020891] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff]

 2112 02:06:39.473281  <6>[    0.020895] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff]

 2113 02:06:39.481363  <6>[    0.020898] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff]

 2114 02:06:39.490476  <6>[    0.020902] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff]

 2115 02:06:39.498987  <6>[    0.020906] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff]

 2116 02:06:39.507758  <6>[    0.020910] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff]

 2117 02:06:39.516936  <6>[    0.020913] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff]

 2118 02:06:39.524827  <6>[    0.020917] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff]

 2119 02:06:39.533031  <6>[    0.020924] [mem 0x80000000-0xcfffffff] available for PCI devices

 2120 02:06:39.543498  <6>[    0.020934] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns

 2121 02:06:39.554001  <6>[    0.031188] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1

 2122 02:06:39.561143  <6>[    0.031820] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288

 2123 02:06:39.568614  <6>[    0.031927] Built 1 zonelists, mobility grouping on.  Total pages: 1002002

 2124 02:06:39.571910  <6>[    0.031936] Policy zone: Normal

 2125 02:06:39.601195  <5>[    0.031954] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10716722/extract-nfsrootfs-u07vnftj,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2126 02:06:39.610866  <6>[    0.032939] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)

 2127 02:06:39.619101  <6>[    0.033378] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)

 2128 02:06:39.626172  <6>[    0.033444] mem auto-init: stack:off, heap alloc:off, heap free:off

 2129 02:06:39.642377  <6>[    0.066686] Memory: 3860860K/4071724K available (22546K kernel code, 3691K rwdata, 9380K rodata, 2148K init, 14096K bss, 210604K reserved, 0K cma-reserved)

 2130 02:06:39.649982  <6>[    0.066847] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

 2131 02:06:39.655837  <6>[    0.066905] Kernel/User page tables isolation: enabled

 2132 02:06:39.662319  <6>[    0.066983] ftrace: allocating 60761 entries in 238 pages

 2133 02:06:39.667687  <6>[    0.101920] ftrace: allocated 238 pages with 6 groups

 2134 02:06:39.672095  <6>[    0.102269] Running RCU self tests

 2135 02:06:39.677586  <6>[    0.102287] rcu: Hierarchical RCU implementation.

 2136 02:06:39.682523  <6>[    0.102291] rcu: 	RCU event tracing is enabled.

 2137 02:06:39.689113  <6>[    0.102295] rcu: 	RCU lockdep checking is enabled.

 2138 02:06:39.696127  <6>[    0.102299] rcu: 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4.

 2139 02:06:39.701671  <6>[    0.102303] 	Rude variant of Tasks RCU enabled.

 2140 02:06:39.707085  <6>[    0.102307] 	Tracing variant of Tasks RCU enabled.

 2141 02:06:39.716235  <6>[    0.102312] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.

 2142 02:06:39.723795  <6>[    0.102316] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4

 2143 02:06:39.730635  <6>[    0.110387] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16

 2144 02:06:39.735090  <5>[    0.110825] random: crng init done

 2145 02:06:39.739928  <6>[    0.110936] Console: colour dummy device 80x25

 2146 02:06:39.744693  <6>[    0.182822] printk: console [ttyS2] enabled

 2147 02:06:39.753857  <4>[    0.183199] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

 2148 02:06:39.758700  <4>[    0.183868] ... MAX_LOCKDEP_SUBCLASSES:  8

 2149 02:06:39.763418  <4>[    0.184246] ... MAX_LOCK_DEPTH:          48

 2150 02:06:39.769034  <4>[    0.184621] ... MAX_LOCKDEP_KEYS:        8192

 2151 02:06:39.774767  <4>[    0.185016] ... CLASSHASH_SIZE:          4096

 2152 02:06:39.779469  <4>[    0.185416] ... MAX_LOCKDEP_ENTRIES:     32768

 2153 02:06:39.784537  <4>[    0.185812] ... MAX_LOCKDEP_CHAINS:      65536

 2154 02:06:39.789805  <4>[    0.186213] ... CHAINHASH_SIZE:          32768

 2155 02:06:39.796320  <4>[    0.186621]  memory used by lock dependency info: 6365 kB

 2156 02:06:39.802078  <4>[    0.187094]  memory used for stack traces: 4224 kB

 2157 02:06:39.808138  <4>[    0.187526]  per task-struct memory footprint: 1920 bytes

 2158 02:06:39.812914  <6>[    0.188071] ACPI: Core revision 20200925

 2159 02:06:39.823450  <6>[    0.188697] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns

 2160 02:06:39.829363  <6>[    0.189559] APIC: Switch to symmetric I/O mode setup

 2161 02:06:39.835863  <6>[    0.194458] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1

 2162 02:06:39.848782  <6>[    0.199549] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns

 2163 02:06:39.859779  <6>[    0.200458] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400)

 2164 02:06:39.865947  <6>[    0.201445] pid_max: default: 32768 minimum: 301

 2165 02:06:39.872273  <6>[    0.202515] LSM: Security Framework initializing

 2166 02:06:39.874961  <6>[    0.202962] SELinux:  Initializing.

 2167 02:06:39.879539  <6>[    0.203501] LSM support for eBPF active

 2168 02:06:39.888500  <6>[    0.203892] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2169 02:06:39.897159  <6>[    0.204458] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2170 02:06:39.903656  <6>[    0.206620] mce: CPU0: Thermal monitoring enabled (TM1)

 2171 02:06:39.910337  <6>[    0.207188] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0

 2172 02:06:39.916321  <6>[    0.207445] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0

 2173 02:06:39.926431  <6>[    0.207980] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization

 2174 02:06:39.932661  <6>[    0.208446] Spectre V2 : Mitigation: Retpolines

 2175 02:06:39.941707  <6>[    0.208863] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch

 2176 02:06:39.949746  <6>[    0.209445] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT

 2177 02:06:39.955095  <6>[    0.210446] Speculative Store Bypass: Vulnerable

 2178 02:06:39.959218  Setting prompt string to ['-+\\[ end trace \\w* \\]-+[^\\n]*\\r', '/ #', 'Login timed out', 'Login incorrect']
 2179 02:06:39.960495  <4>[    0.231805] ------------[ cut here ]------------

 2180 02:06:39.972309  <4>[    0.232240] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00

 2181 02:06:39.982392  <4>[    0.232253] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220

 2182 02:06:39.985812  <4>[    0.233445] Modules linked in:

 2183 02:06:39.993441  <4>[    0.233740] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.182-cip35 #1

 2184 02:06:40.000785  <4>[    0.234445] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 2185 02:06:40.005878  <4>[    0.234974] RIP: 0010:apply_returns+0x1f5/0x220

 2186 02:06:40.026843  <4>[    0.235448] Code: 46 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 c8 61 4f 83 c6 05 6b ea 46 02 01 e8 82 e7 10 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc

 2187 02:06:40.033403  <4>[    0.236444] RSP: 0000:ffffffff83803de0 EFLAGS: 00010282

 2188 02:06:40.041773  <4>[    0.237446] RAX: 0000000000000000 RBX: ffffffff8440b2f4 RCX: 0000000000000000

 2189 02:06:40.049729  <4>[    0.238066] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81777c91

 2190 02:06:40.058159  <4>[    0.238445] RBP: ffffffff8317ece0 R08: 0000000000000001 R09: 0000000000000001

 2191 02:06:40.066601  <4>[    0.239444] R10: ffffffff8388fee0 R11: 3fffffffffffffff R12: ffffffff844233fc

 2192 02:06:40.074592  <4>[    0.240065] R13: cccccccccccccccc R14: ffffffff8317ece5 R15: 0000000000000004

 2193 02:06:40.083692  <4>[    0.240445] FS:  0000000000000000(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 2194 02:06:40.091431  <4>[    0.241445] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 2195 02:06:40.099569  <4>[    0.241955] CR2: ffff930a3ffff000 CR3: 0000000076426000 CR4: 00000000003506f0

 2196 02:06:40.102087  <4>[    0.242445] Call Trace:

 2197 02:06:40.106038  <4>[    0.242693]  ? __warn+0x80/0x110

 2198 02:06:40.110459  <4>[    0.243002]  ? apply_returns+0x1f5/0x220

 2199 02:06:40.114609  <4>[    0.243449]  ? report_bug+0x9e/0xc0

 2200 02:06:40.118791  <4>[    0.243782]  ? __warn_printk+0x6c/0x8d

 2201 02:06:40.123125  <4>[    0.244128]  ? handle_bug+0x41/0x90

 2202 02:06:40.127640  <4>[    0.244446]  ? exc_invalid_op+0x14/0x70

 2203 02:06:40.133806  <4>[    0.244799]  ? asm_exc_invalid_op+0x12/0x20

 2204 02:06:40.137744  <4>[    0.245195]  ? console_unlock+0x4d1/0x5f0

 2205 02:06:40.142054  <4>[    0.245807]  ? apply_returns+0x1f5/0x220

 2206 02:06:40.146727  <4>[    0.246169]  ? lock_acquire+0xbf/0x280

 2207 02:06:40.152188  <4>[    0.246463]  alternative_instructions+0x7d/0x143

 2208 02:06:40.156648  <4>[    0.246879]  check_bugs+0xe9f/0xefb

 2209 02:06:40.160704  <4>[    0.247214]  start_kernel+0x517/0x54d

 2210 02:06:40.167275  <4>[    0.247452]  secondary_startup_64_no_verify+0xc2/0xcb

 2211 02:06:40.170721  <4>[    0.247921] irq event stamp: 108527

 2212 02:06:40.181104  <4>[    0.248249] hardirqs last  enabled at (108535): [<ffffffff81777c91>] console_unlock+0x4d1/0x5f0

 2213 02:06:40.191885  <4>[    0.248445] hardirqs last disabled at (108546): [<ffffffff81777c04>] console_unlock+0x444/0x5f0

 2214 02:06:40.200483  <4>[    0.249446] softirqs last  enabled at (108556): [<ffffffff81707a51>] irq_enter_rcu+0x71/0x80

 2215 02:06:40.210722  <4>[    0.250445] softirqs last disabled at (108567): [<ffffffff81707a36>] irq_enter_rcu+0x56/0x80

 2216 02:06:40.215876  <4>[    0.251174] ---[ end trace bf7d0a621a4c665c ]---

 2217 02:06:40.216795  Setting prompt string to ['-\\[ cut here \\]', 'Unhandled fault', 'BUG: KCSAN:', 'BUG: KASAN:', 'BUG: KFENCE:', 'Oops(?: -|:)', 'WARNING:', '(kernel BUG at|BUG:)', 'invalid opcode:', 'Kernel panic - not syncing', '/ #', 'Login timed out', 'Login incorrect']
 2218 02:06:40.217246  login-action: kernel 'warning'
 2219 02:06:40.217616  [login-action] Waiting for messages, (timeout 00:04:23)
 2220 02:06:40.220933  <6>[    0.260788] Freeing SMP alternatives memory: 48K

 2221 02:06:40.232630  <6>[    0.261848] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9)

 2222 02:06:40.244481  <6>[    0.265557] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver.

 2223 02:06:40.248887  <6>[    0.266456] ... version:                4

 2224 02:06:40.253807  <6>[    0.267446] ... bit width:              48

 2225 02:06:40.258962  <6>[    0.268445] ... generic registers:      4

 2226 02:06:40.264940  <6>[    0.269446] ... value mask:             0000ffffffffffff

 2227 02:06:40.272288  <6>[    0.270445] ... max period:             00007fffffffffff

 2228 02:06:40.275864  <6>[    0.271445] ... fixed-purpose events:   3

 2229 02:06:40.282638  <6>[    0.272445] ... event mask:             000000070000000f

 2230 02:06:40.287342  <6>[    0.274655] rcu: Hierarchical SRCU implementation.

 2231 02:06:40.292817  <6>[    0.281680] smp: Bringing up secondary CPUs ...

 2232 02:06:40.297633  <6>[    0.285507] x86: Booting SMP configuration:

 2233 02:06:40.302941  <6>[    0.286448] .... node  #0, CPUs:      #1 #2 #3

 2234 02:06:40.308469  <6>[    0.299507] smp: Brought up 1 node, 4 CPUs

 2235 02:06:40.312966  <6>[    0.301446] smpboot: Max logical packages: 1

 2236 02:06:40.320477  <6>[    0.302446] smpboot: Total of 4 processors activated (8755.20 BogoMIPS)

 2237 02:06:40.324805  <6>[    0.311451] devtmpfs: initialized

 2238 02:06:40.329760  <6>[    0.313497] x86/mm: Memory block size: 128MB

 2239 02:06:40.341816  <6>[    0.328485] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns

 2240 02:06:40.348809  <6>[    0.329463] futex hash table entries: 1024 (order: 5, 131072 bytes, linear)

 2241 02:06:40.355303  <6>[    0.331681] pinctrl core: initialized pinctrl subsystem

 2242 02:06:40.361049  <6>[    0.335661] PM: RTC time: 02:06:37, date: 2023-06-14

 2243 02:06:40.366219  <6>[    0.338525] NET: Registered protocol family 16

 2244 02:06:40.372737  <6>[    0.341612] audit: initializing netlink subsys (disabled)

 2245 02:06:40.382246  <5>[    0.342521] audit: type=2000 audit(1686708397.147:1): state=initialized audit_enabled=0 res=1

 2246 02:06:40.389943  <6>[    0.345573] thermal_sys: Registered thermal governor 'step_wise'

 2247 02:06:40.396165  <6>[    0.345668] thermal_sys: Registered thermal governor 'user_space'

 2248 02:06:40.400678  <6>[    0.346539] cpuidle: using governor menu

 2249 02:06:40.405700  <6>[    0.349459] ACPI: bus type PCI registered

 2250 02:06:40.416396  <6>[    0.352565] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000)

 2251 02:06:40.424192  <6>[    0.355452] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820

 2252 02:06:40.431230  <6>[    0.358498] PCI: Using configuration type 1 for base access

 2253 02:06:40.435986  <6>[    0.483601] Kprobes globally optimized

 2254 02:06:40.442841  <6>[    0.487478] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages

 2255 02:06:40.451214  <6>[    0.489448] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages

 2256 02:06:40.459023  <6>[    0.494492] cryptomgr_test (39) used greatest stack depth: 14880 bytes left

 2257 02:06:40.464104  <6>[    0.505620] ACPI: Added _OSI(Module Device)

 2258 02:06:40.469074  <6>[    0.507448] ACPI: Added _OSI(Processor Device)

 2259 02:06:40.474927  <6>[    0.509447] ACPI: Added _OSI(3.0 _SCP Extensions)

 2260 02:06:40.480929  <6>[    0.511446] ACPI: Added _OSI(Processor Aggregator Device)

 2261 02:06:40.486803  <6>[    0.513448] ACPI: Added _OSI(Linux-Dell-Video)

 2262 02:06:40.492614  <6>[    0.514447] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)

 2263 02:06:40.499099  <6>[    0.516448] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)

 2264 02:06:40.506471  <6>[    0.546613] ACPI: 2 ACPI AML tables successfully acquired and loaded

 2265 02:06:40.509723  <6>[    0.570517] ACPI: EC: EC started

 2266 02:06:40.514403  <6>[    0.572445] ACPI: EC: interrupt blocked

 2267 02:06:40.520818  <6>[    0.575468] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2268 02:06:40.529367  <6>[    0.577451] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions

 2269 02:06:40.533243  <6>[    0.580446] ACPI: Interpreter enabled

 2270 02:06:40.537990  <6>[    0.581494] ACPI: (supports S0 S3 S5)

 2271 02:06:40.544817  <6>[    0.583449] ACPI: Using IOAPIC for interrupt routing

 2272 02:06:40.554023  <6>[    0.585491] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug

 2273 02:06:40.559936  <6>[    0.590658] ACPI: Enabled 1 GPEs in block 00 to 7F

 2274 02:06:40.565253  <6>[    0.606485] ACPI: Power Resource [PXP] (on)

 2275 02:06:40.569890  <6>[    0.640656] ACPI: Power Resource [PRIC] (on)

 2276 02:06:40.574975  <6>[    0.672617] ACPI: Power Resource [PRIC] (on)

 2277 02:06:40.581939  <6>[    0.784475] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])

 2278 02:06:40.592372  <6>[    0.787458] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]

 2279 02:06:40.600198  <6>[    0.790679] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR]

 2280 02:06:40.605572  <6>[    0.795595] PCI host bridge to bus 0000:00

 2281 02:06:40.613070  <6>[    0.798460] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]

 2282 02:06:40.621865  <6>[    0.800448] pci_bus 0000:00: root bus resource [io  0x1000-0xffff window]

 2283 02:06:40.629736  <6>[    0.803449] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]

 2284 02:06:40.638612  <6>[    0.805449] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window]

 2285 02:06:40.647405  <6>[    0.808448] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window]

 2286 02:06:40.653281  <6>[    0.811449] pci_bus 0000:00: root bus resource [bus 00-ff]

 2287 02:06:40.660600  <6>[    0.813524] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000

 2288 02:06:40.668789  <6>[    0.818523] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000

 2289 02:06:40.675327  <6>[    0.821485] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit]

 2290 02:06:40.682459  <6>[    0.825532] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000

 2291 02:06:40.690583  <6>[    0.828467] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit]

 2292 02:06:40.698507  <6>[    0.830459] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit]

 2293 02:06:40.706194  <6>[    0.833459] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit]

 2294 02:06:40.713125  <6>[    0.836585] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000

 2295 02:06:40.720741  <6>[    0.839468] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit]

 2296 02:06:40.729254  <6>[    0.842459] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref]

 2297 02:06:40.735722  <6>[    0.844454] pci 0000:00:02.0: reg 0x20: [io  0x1000-0x103f]

 2298 02:06:40.743125  <6>[    0.847611] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000

 2299 02:06:40.750294  <6>[    0.850464] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit]

 2300 02:06:40.757165  <6>[    0.854682] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100

 2301 02:06:40.765456  <6>[    0.857477] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit]

 2302 02:06:40.772834  <6>[    0.860493] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit]

 2303 02:06:40.780317  <6>[    0.862559] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold

 2304 02:06:40.787257  <6>[    0.867527] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000

 2305 02:06:40.795247  <6>[    0.870486] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit]

 2306 02:06:40.801119  <6>[    0.872599] pci 0000:00:0f.0: PME# supported from D3hot

 2307 02:06:40.808265  <6>[    0.876632] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400

 2308 02:06:40.815653  <6>[    0.879620] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold

 2309 02:06:40.822624  <6>[    0.884509] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330

 2310 02:06:40.830514  <6>[    0.886472] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit]

 2311 02:06:40.837438  <6>[    0.889551] pci 0000:00:15.0: PME# supported from D3hot D3cold

 2312 02:06:40.843791  <6>[    0.893486] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000

 2313 02:06:40.851764  <6>[    0.896485] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit]

 2314 02:06:40.859627  <6>[    0.898471] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit]

 2315 02:06:40.866949  <6>[    0.903519] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000

 2316 02:06:40.874721  <6>[    0.905484] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit]

 2317 02:06:40.882688  <6>[    0.908471] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit]

 2318 02:06:40.889910  <6>[    0.912524] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000

 2319 02:06:40.897306  <6>[    0.915486] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit]

 2320 02:06:40.905096  <6>[    0.917471] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit]

 2321 02:06:40.912217  <6>[    0.922518] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000

 2322 02:06:40.920306  <6>[    0.925490] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit]

 2323 02:06:40.928006  <6>[    0.927470] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit]

 2324 02:06:40.934697  <6>[    0.932557] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000

 2325 02:06:40.942791  <6>[    0.934485] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit]

 2326 02:06:40.950718  <6>[    0.937471] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit]

 2327 02:06:40.957756  <6>[    0.942514] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000

 2328 02:06:40.966351  <6>[    0.944492] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit]

 2329 02:06:40.973524  <6>[    0.947479] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit]

 2330 02:06:40.980260  <6>[    0.951560] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000

 2331 02:06:40.988933  <6>[    0.954484] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit]

 2332 02:06:40.996819  <6>[    0.956470] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit]

 2333 02:06:41.003226  <6>[    0.961516] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000

 2334 02:06:41.011102  <6>[    0.964485] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit]

 2335 02:06:41.019844  <6>[    0.966470] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit]

 2336 02:06:41.025991  <6>[    0.971513] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000

 2337 02:06:41.033776  <6>[    0.973484] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit]

 2338 02:06:41.041968  <6>[    0.976471] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit]

 2339 02:06:41.048534  <6>[    0.980552] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000

 2340 02:06:41.056272  <6>[    0.983484] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit]

 2341 02:06:41.065139  <6>[    0.986471] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit]

 2342 02:06:41.072332  <6>[    0.990569] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501

 2343 02:06:41.079447  <6>[    0.993473] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit]

 2344 02:06:41.086918  <6>[    0.995463] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit]

 2345 02:06:41.094046  <6>[    1.000481] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501

 2346 02:06:41.101767  <6>[    1.002476] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit]

 2347 02:06:41.110576  <6>[    1.005464] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit]

 2348 02:06:41.117417  <6>[    1.009589] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100

 2349 02:06:41.124012  <6>[    1.014548] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500

 2350 02:06:41.131780  <6>[    1.017522] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit]

 2351 02:06:41.138772  <6>[    1.019542] pci 0000:00:1f.1: reg 0x20: [io  0x1040-0x105f]

 2352 02:06:41.145927  <6>[    1.027505] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000

 2353 02:06:41.153218  <6>[    1.029636] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit]

 2354 02:06:41.163331  <6>[    1.035451] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256)

 2355 02:06:41.171640  <6>[    1.038593] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128)

 2356 02:06:41.177853  <6>[    1.045595] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold

 2357 02:06:41.184759  <6>[    1.056501] pci 0000:00:14.0: PCI bridge to [bus 01]

 2358 02:06:41.192110  <6>[    1.058458] pci 0000:00:14.0:   bridge window [mem 0xc2a00000-0xc2afffff]

 2359 02:06:41.196705  <6>[    1.086649] ACPI: EC: interrupt unblocked

 2360 02:06:41.201160  <6>[    1.088446] ACPI: EC: event unblocked

 2361 02:06:41.207131  <6>[    1.090446] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2362 02:06:41.211046  <6>[    1.092446] ACPI: EC: GPE=0x2b

 2363 02:06:41.219706  <6>[    1.093449] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete

 2364 02:06:41.228368  <6>[    1.095448] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events

 2365 02:06:41.233587  <6>[    1.101470] iommu: Default domain type: Translated 

 2366 02:06:41.240494  <6>[    1.104584] pci 0000:00:02.0: vgaarb: setting as boot VGA device

 2367 02:06:41.250532  <6>[    1.105071] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none

 2368 02:06:41.257391  <6>[    1.110473] pci 0000:00:02.0: vgaarb: bridge control possible

 2369 02:06:41.260444  <6>[    1.112447] vgaarb: loaded

 2370 02:06:41.264689  <5>[    1.115479] SCSI subsystem initialized

 2371 02:06:41.269545  <6>[    1.118589] ACPI: bus type USB registered

 2372 02:06:41.276267  <6>[    1.120565] usbcore: registered new interface driver usbfs

 2373 02:06:41.282094  <6>[    1.122497] usbcore: registered new interface driver hub

 2374 02:06:41.288083  <6>[    1.124483] usbcore: registered new device driver usb

 2375 02:06:41.293571  <6>[    1.127554] mc: Linux media interface: v0.10

 2376 02:06:41.299250  <6>[    1.129475] videodev: Linux video capture interface: v2.00

 2377 02:06:41.305944  <6>[    1.131480] pps_core: LinuxPPS API ver. 1 registered

 2378 02:06:41.315629  <6>[    1.133446] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

 2379 02:06:41.320590  <6>[    1.136457] PTP clock support registered

 2380 02:06:41.327198  <6>[    1.139555] Advanced Linux Sound Architecture Driver Initialized.

 2381 02:06:41.332097  <6>[    1.145592] NetLabel: Initializing

 2382 02:06:41.336938  <6>[    1.147447] NetLabel:  domain hash size = 128

 2383 02:06:41.343862  <6>[    1.149445] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO

 2384 02:06:41.350219  <6>[    1.151507] NetLabel:  unlabeled traffic allowed by default

 2385 02:06:41.354968  <6>[    1.154533] PCI: Using ACPI for IRQ routing

 2386 02:06:41.363499  <4>[    1.279470] Expanded resource Reserved due to conflict with PCI Bus 0000:00

 2387 02:06:41.370147  <6>[    1.282543] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0

 2388 02:06:41.377090  <6>[    1.285448] hpet0: 8 comparators, 64-bit 19.200000 MHz counter

 2389 02:06:41.383802  <6>[    1.304552] clocksource: Switched to clocksource tsc-early

 2390 02:06:41.388752  <5>[    1.688351] VFS: Disk quotas dquot_6.6.0

 2391 02:06:41.396194  <6>[    1.688775] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

 2392 02:06:41.399974  <6>[    1.689751] pnp: PnP ACPI init

 2393 02:06:41.407336  <6>[    1.690730] system 00:00: [io  0x0900-0x09fe] has been reserved

 2394 02:06:41.413593  <6>[    1.691483] system 00:01: [io  0x0200] has been reserved

 2395 02:06:41.419337  <6>[    1.691978] system 00:01: [io  0x0204] has been reserved

 2396 02:06:41.426345  <6>[    1.692447] system 00:01: [io  0x0800-0x087f] has been reserved

 2397 02:06:41.433223  <6>[    1.692982] system 00:01: [io  0x0880-0x08ff] has been reserved

 2398 02:06:41.438421  <6>[    1.696020] pnp: PnP ACPI: found 3 devices

 2399 02:06:41.448083  <6>[    1.709503] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns

 2400 02:06:41.453709  <6>[    1.710397] NET: Registered protocol family 2

 2401 02:06:41.463479  <6>[    1.711023] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)

 2402 02:06:41.472245  <6>[    1.713068] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear)

 2403 02:06:41.481032  <6>[    1.714082] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)

 2404 02:06:41.490307  <6>[    1.714989] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear)

 2405 02:06:41.497464  <6>[    1.717617] TCP: Hash tables configured (established 32768 bind 32768)

 2406 02:06:41.506056  <6>[    1.718746] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear)

 2407 02:06:41.513654  <6>[    1.719703] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2408 02:06:41.522460  <6>[    1.720581] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2409 02:06:41.527320  <6>[    1.721713] NET: Registered protocol family 1

 2410 02:06:41.534627  <6>[    1.722926] RPC: Registered named UNIX socket transport module.

 2411 02:06:41.539975  <6>[    1.723477] RPC: Registered udp transport module.

 2412 02:06:41.545898  <6>[    1.723908] RPC: Registered tcp transport module.

 2413 02:06:41.552928  <6>[    1.724336] RPC: Registered tcp NFSv4.1 backchannel transport module.

 2414 02:06:41.558303  <6>[    1.725454] NET: Registered protocol family 44

 2415 02:06:41.564377  <6>[    1.725900] pci 0000:00:14.0: PCI bridge to [bus 01]

 2416 02:06:41.571750  <6>[    1.726354] pci 0000:00:14.0:   bridge window [mem 0xc2a00000-0xc2afffff]

 2417 02:06:41.579677  <6>[    1.726976] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]

 2418 02:06:41.586035  <6>[    1.727518] pci_bus 0000:00: resource 5 [io  0x1000-0xffff window]

 2419 02:06:41.594705  <6>[    1.728075] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]

 2420 02:06:41.602269  <6>[    1.728674] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window]

 2421 02:06:41.610161  <6>[    1.729285] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window]

 2422 02:06:41.617580  <6>[    1.729896] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff]

 2423 02:06:41.627327  <6>[    1.730639] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]

 2424 02:06:41.631796  <6>[    1.733475] PCI: CLS 64 bytes, default 64

 2425 02:06:41.635664  <6>[    1.734240] Unpacking initramfs...

 2426 02:06:41.640801  <6>[    2.010019] Freeing initrd memory: 10400K

 2427 02:06:41.648669  <6>[    2.010397] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)

 2428 02:06:41.657199  <6>[    2.011056] software IO TLB: mapped [mem 0x0000000070200000-0x0000000074200000] (64MB)

 2429 02:06:41.666332  <6>[    2.012058] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer

 2430 02:06:41.673199  <6>[    2.012765] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules

 2431 02:06:41.680487  <6>[    2.013274] RAPL PMU: hw unit of domain package 2^-14 Joules

 2432 02:06:41.686360  <6>[    2.013801] RAPL PMU: hw unit of domain dram 2^-14 Joules

 2433 02:06:41.692658  <6>[    2.014274] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules

 2434 02:06:41.699023  <3>[    2.015928] kvm: already loaded the other module

 2435 02:06:41.709381  <6>[    2.016360] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns

 2436 02:06:41.715602  <6>[    2.017269] clocksource: Switched to clocksource tsc

 2437 02:06:41.724160  <6>[    2.017815] platform rtc_cmos: registered platform RTC device (no PNP device found)

 2438 02:06:41.731967  <6>[    2.020455] check: Scanning for low memory corruption every 60 seconds

 2439 02:06:41.737533  <5>[    2.023209] Initialise system trusted keyrings

 2440 02:06:41.744682  <6>[    2.023881] workingset: timestamp_bits=56 max_order=20 bucket_order=0

 2441 02:06:41.750256  <5>[    2.038949] NFS: Registering the id_resolver key type

 2442 02:06:41.756256  <5>[    2.039450] Key type id_resolver registered

 2443 02:06:41.760263  <5>[    2.039864] Key type id_legacy registered

 2444 02:06:41.765324  <5>[    2.051139] Key type asymmetric registered

 2445 02:06:41.770897  <5>[    2.051552] Asymmetric key parser 'x509' registered

 2446 02:06:41.779615  <6>[    2.052070] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)

 2447 02:06:41.784467  <6>[    2.052738] io scheduler mq-deadline registered

 2448 02:06:41.791561  <6>[    2.053151] io scheduler kyber registered

 2449 02:06:41.794476  <4>[    2.053740] test_firmware: interface ready

 2450 02:06:41.800998  <6>[    2.054867] pcieport 0000:00:14.0: PME: Signaling with IRQ 120

 2451 02:06:41.806904  <6>[    2.056456] ACPI: AC Adapter [AC] (on-line)

 2452 02:06:41.818750  <6>[    2.057143] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0

 2453 02:06:41.823159  <6>[    2.058699] ACPI: Lid Switch [LID0]

 2454 02:06:41.832009  <6>[    2.059189] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1

 2455 02:06:41.837020  <6>[    2.060061] ACPI: Power Button [PWRB]

 2456 02:06:41.846697  <6>[    2.060553] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2

 2457 02:06:41.850922  <6>[    2.061436] ACPI: Sleep Button [SLP]

 2458 02:06:41.859468  <6>[    2.061944] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3

 2459 02:06:41.863493  <6>[    2.062749] ACPI: Power Button [PWRF]

 2460 02:06:41.869817  <6>[    2.063294] ACPI: \_PR_.CP00: Found 3 idle states

 2461 02:06:41.874750  <6>[    2.064365] ACPI: \_PR_.CP01: Found 3 idle states

 2462 02:06:41.881158  <6>[    2.065168] ACPI: \_PR_.CP02: Found 3 idle states

 2463 02:06:41.885522  <6>[    2.065958] ACPI: \_PR_.CP03: Found 3 idle states

 2464 02:06:41.893157  <6>[    2.067743] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled

 2465 02:06:41.900251  <6>[    2.070271] battery: ACPI: Battery Slot [BAT0] (battery present)

 2466 02:06:41.905837  <6>[    2.071006] Non-volatile memory driver v1.3

 2467 02:06:41.910356  <6>[    2.071752] Linux agpgart interface v0.103

 2468 02:06:41.916120  <6>[    2.072583] [drm] amdgpu kernel modesetting enabled.

 2469 02:06:41.922565  <6>[    2.075582] i915 0000:00:02.0: vgaarb: deactivate vga console

 2470 02:06:41.932508  <6>[    2.129506] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x2ee0

 2471 02:06:41.939787  <6>[    2.130314] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT)

 2472 02:06:41.951653  <6>[    2.131043] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem

 2473 02:06:41.961811  <4>[    2.132371] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2

 2474 02:06:41.974189  <5>[    2.133271] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management.

 2475 02:06:41.989252  <5>[    2.134277] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915

 2476 02:06:41.997634  <6>[    2.185878] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0

 2477 02:06:42.005790  <6>[    2.188855] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1

 2478 02:06:42.009834  <6>[    2.201631] loop: module loaded

 2479 02:06:42.017784  <6>[    2.202487] lkdtm: No crash points registered, enable through debugfs

 2480 02:06:42.026671  <6>[    2.245100] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A

 2481 02:06:42.036411  <6>[    2.248207] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A

 2482 02:06:42.041088  <6>[    2.250822] printk: console [ttyS2] disabled

 2483 02:06:42.050844  <6>[    2.251478] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A

 2484 02:06:42.118663  <6>[    5.522585] printk: console [ttyS2] enabled

 2485 02:06:42.125083  <6>[    5.522744] fbcon: i915drmfb (fb0) is primary device

 2486 02:06:42.132705  <4>[    5.524533] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO

 2487 02:06:42.139035  <6>[    5.532207] e100: Intel(R) PRO/100 Network Driver

 2488 02:06:42.145301  <6>[    5.532210] e100: Copyright(c) 1999-2006 Intel Corporation

 2489 02:06:42.150385  <6>[    5.532253] e1000: Intel(R) PRO/1000 Network Driver

 2490 02:06:42.157411  <6>[    5.532254] e1000: Copyright (c) 1999-2006 Intel Corporation.

 2491 02:06:42.164151  <6>[    5.532310] e1000e: Intel(R) PRO/1000 Network Driver

 2492 02:06:42.170217  <6>[    5.532312] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

 2493 02:06:42.175713  <6>[    5.532369] sky2: driver version 1.30

 2494 02:06:42.181046  <6>[    5.532593] usbcore: registered new interface driver r8152

 2495 02:06:42.189014  <6>[    5.533295] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

 2496 02:06:42.195246  <6>[    5.533345] ehci-pci: EHCI PCI platform driver

 2497 02:06:42.201786  <6>[    5.533426] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

 2498 02:06:42.207575  <6>[    5.533438] ohci-pci: OHCI PCI platform driver

 2499 02:06:42.213966  <6>[    5.533480] uhci_hcd: USB Universal Host Controller Interface driver

 2500 02:06:42.220012  <6>[    5.534682] xhci_hcd 0000:00:15.0: xHCI Host Controller

 2501 02:06:42.229273  <6>[    5.535639] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1

 2502 02:06:42.240353  <6>[    5.536922] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810

 2503 02:06:42.247062  <6>[    5.536966] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported

 2504 02:06:42.253112  <6>[    5.538177] xhci_hcd 0000:00:15.0: xHCI Host Controller

 2505 02:06:42.261644  <6>[    5.538780] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2

 2506 02:06:42.268739  <6>[    5.538801] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed

 2507 02:06:42.278446  <6>[    5.539239] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10

 2508 02:06:42.287032  <6>[    5.539252] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2509 02:06:42.292860  <6>[    5.539255] usb usb1: Product: xHCI Host Controller

 2510 02:06:42.299976  <6>[    5.539257] usb usb1: Manufacturer: Linux 5.10.182-cip35 xhci-hcd

 2511 02:06:42.307104  <6>[    5.539259] usb usb1: SerialNumber: 0000:00:15.0

 2512 02:06:42.310109  <6>[    5.540660] hub 1-0:1.0: USB hub found

 2513 02:06:42.314455  <6>[    5.540794] hub 1-0:1.0: 8 ports detected

 2514 02:06:42.324516  <6>[    5.542284] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10

 2515 02:06:42.333597  <6>[    5.542288] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2516 02:06:42.338276  <6>[    5.542290] usb usb2: Product: xHCI Host Controller

 2517 02:06:42.347146  <6>[    5.542292] usb usb2: Manufacturer: Linux 5.10.182-cip35 xhci-hcd

 2518 02:06:42.351216  <6>[    5.542295] usb usb2: SerialNumber: 0000:00:15.0

 2519 02:06:42.355848  <6>[    5.543296] hub 2-0:1.0: USB hub found

 2520 02:06:42.360828  <6>[    5.543333] hub 2-0:1.0: 7 ports detected

 2521 02:06:42.367030  <6>[    5.544518] usbcore: registered new interface driver usblp

 2522 02:06:42.374165  <6>[    5.544564] usbcore: registered new interface driver usb-storage

 2523 02:06:42.384532  <6>[    5.544981] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers

 2524 02:06:42.392518  <6>[    5.545084] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1

 2525 02:06:42.403876  <4>[    5.545086] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp

 2526 02:06:42.408635  <4>[    5.545600] i8042: Warning: Keylock active

 2527 02:06:42.414499  <6>[    5.545872] serio: i8042 KBD port at 0x60,0x64 irq 1

 2528 02:06:42.421362  <6>[    5.548793] rtc_cmos rtc_cmos: RTC can wake from S4

 2529 02:06:42.430602  <6>[    5.551067] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4

 2530 02:06:42.436506  <6>[    5.551912] rtc_cmos rtc_cmos: registered as rtc0

 2531 02:06:42.443495  <6>[    5.552065] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram

 2532 02:06:42.451992  <4>[    5.553038] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A

 2533 02:06:42.458809  <4>[    5.553041] i801_smbus 0000:00:1f.1: PCI INT A: no GSI

 2534 02:06:42.464452  <6>[    5.553069] i801_smbus 0000:00:1f.1: SPD Write Disable is set

 2535 02:06:42.473099  <3>[    5.553124] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer)

 2536 02:06:42.480264  <3>[    5.553143] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16

 2537 02:06:42.486385  <6>[    5.553145] i801_smbus 0000:00:1f.1: SMBus using polling

 2538 02:06:42.496371  <6>[    5.554042] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com

 2539 02:06:42.502854  <6>[    5.554134] intel_pstate: Intel P-state driver initializing

 2540 02:06:42.511386  <6>[    5.554344] Console: switching to colour frame buffer device 240x67

 2541 02:06:42.517505  <6>[    5.556563] sdhci: Secure Digital Host Controller Interface driver

 2542 02:06:42.523053  <6>[    5.556568] sdhci: Copyright(c) Pierre Ossman

 2543 02:06:42.531521  <6>[    5.556795] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2544 02:06:42.539310  <6>[    5.564156] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b)

 2545 02:06:42.548021  <6>[    5.569675] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit

 2546 02:06:42.553662  <6>[    5.570625] hid: raw HID events driver (C) Jiri Kosina

 2547 02:06:42.559703  <6>[    5.572806] usbcore: registered new interface driver usbhid

 2548 02:06:42.565569  <6>[    5.572811] usbhid: USB HID core driver

 2549 02:06:42.578509  <6>[    5.574837] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5

 2550 02:06:42.584954  <6>[    5.581323] cros_ec_lpcs GOOG0004:00: Chrome EC device registered

 2551 02:06:42.595432  <6>[    5.584424] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100

 2552 02:06:42.605386  <6>[    5.588997] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops)

 2553 02:06:42.609813  <6>[    5.589106] netem: version 1.3

 2554 02:06:42.616590  <6>[    5.589629] ipip: IPv4 and MPLS over IPv4 tunneling driver

 2555 02:06:42.624203  <6>[    5.590528] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device

 2556 02:06:42.628771  <6>[    5.590982] IPv4 over IPsec tunneling driver

 2557 02:06:42.633719  <6>[    5.592133] Initializing XFRM netlink socket

 2558 02:06:42.639148  <6>[    5.594374] NET: Registered protocol family 10

 2559 02:06:42.642908  <6>[    5.597606] Segment Routing with IPv6

 2560 02:06:42.650536  <3>[    5.617609] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up

 2561 02:06:42.656336  <6>[    5.626412] NET: Registered protocol family 17

 2562 02:06:42.661999  <6>[    5.720836] mmc0: new HS400 MMC card at address 0001

 2563 02:06:42.667836  <5>[    5.725470] Key type dns_resolver registered

 2564 02:06:42.672722  <6>[    5.736424] mmcblk0: mmc0:0001 TA2964 58.3 GiB 

 2565 02:06:42.680371  <6>[    5.785781] usb 1-5: new high-speed USB device number 2 using xhci_hcd

 2566 02:06:42.687205  <6>[    5.787660] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB

 2567 02:06:42.694116  <6>[    5.787216] microcode: sig=0x506c9, pf=0x1, revision=0x2c

 2568 02:06:42.701003  <6>[    5.805166] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB

 2569 02:06:42.706552  <6>[    5.817609] microcode: Microcode Update Driver: v2.2.

 2570 02:06:42.715199  <6>[    5.824612] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (245:0)

 2571 02:06:42.720973  <6>[    5.827554] IPI shorthand broadcast: enabled

 2572 02:06:42.726163  <6>[    5.853065]  mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12

 2573 02:06:42.735476  <6>[    5.856204] sched_clock: Marking stable (5771332438, 84678398)->(5080081906, 775928930)

 2574 02:06:42.744891  <6>[    5.965681] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04

 2575 02:06:42.750787  <6>[    5.983106] registered taskstats version 1

 2576 02:06:42.758457  <6>[    5.989289] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2

 2577 02:06:42.764160  <6>[    5.989299] usb 1-5: Product: USB2.0 HD UVC WebCam

 2578 02:06:42.768863  <6>[    5.989306] usb 1-5: Manufacturer: Quanta

 2579 02:06:42.773799  <6>[    5.989317] usb 1-5: SerialNumber: 0x0001

 2580 02:06:42.779725  <5>[    5.994523] Loading compiled-in X.509 certificates

 2581 02:06:42.787722  <6>[    6.055837] usb 2-2: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2582 02:06:42.795930  <6>[    6.068236] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2583 02:06:42.805803  <6>[    6.090341] usb 2-2: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00

 2584 02:06:42.813580  <6>[    6.104050] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2585 02:06:42.822332  <6>[    6.105263] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=6

 2586 02:06:42.826735  <6>[    6.117198] PM:   Magic number: 11:325:106

 2587 02:06:42.832342  <6>[    6.122508] usb 2-2: Product: USB 10/100/1000 LAN

 2588 02:06:42.837154  <6>[    6.122516] usb 2-2: Manufacturer: Realtek

 2589 02:06:42.842528  <6>[    6.122524] usb 2-2: SerialNumber: 001000001

 2590 02:06:42.847380  <6>[    6.127929] usbmon usbmon2: hash matches

 2591 02:06:42.854658  <6>[    6.204777] usb 1-6: new full-speed USB device number 3 using xhci_hcd

 2592 02:06:42.860809  <6>[    6.327080] printk: console [netcon0] enabled

 2593 02:06:42.866050  <6>[    6.332291] netconsole: network logging started

 2594 02:06:42.874211  <6>[    6.333517] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2595 02:06:42.994485  <6>[    6.456474] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03

 2596 02:06:43.002470  <6>[    6.465946] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0

 2597 02:06:43.015862  <6>[    6.479247] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2598 02:06:43.109167  <6>[    6.572581] usb 2-2: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2599 02:06:43.154946  <6>[    6.619293] r8152 2-2:1.0: load rtl8153b-2 v2 04/27/23 successfully

 2600 02:06:43.191881  <6>[    6.658625] r8152 2-2:1.0 eth0: v1.11.11

 2601 02:06:43.201137  <6>[    6.664543] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2602 02:06:44.796755  <6>[    8.263384] r8152 2-2:1.0 eth0: carrier on

 2603 02:06:44.804057  <6>[    8.264906] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

 2604 02:06:47.246105  <5>[    8.276756] Sending DHCP requests .., OK

 2605 02:06:47.256141  <6>[   10.718337] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.17

 2606 02:06:47.260205  <6>[   10.727655] IP-Config: Complete:

 2607 02:06:47.271781  <6>[   10.731589]      device=eth0, hwaddr=00:e0:4c:78:86:ca, ipaddr=192.168.201.17, mask=255.255.255.0, gw=192.168.201.1

 2608 02:06:47.281586  <6>[   10.743563]      host=asus-c523na-a20057-coral-cbg-1, domain=lava-rack, nis-domain=(none)

 2609 02:06:47.289899  <6>[   10.753017]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

 2610 02:06:47.294617  <6>[   10.753025]      nameserver0=192.168.201.1

 2611 02:06:47.304045  <5>[   10.767039] cfg80211: Loading compiled-in X.509 certificates for regulatory database

 2612 02:06:47.326183  <6>[   10.790410] modprobe (100) used greatest stack depth: 14040 bytes left

 2613 02:06:47.341779  <5>[   10.805952] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'

 2614 02:06:47.352983  <4>[   10.814663] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2

 2615 02:06:47.356775  <6>[   10.815118] ALSA device list:

 2616 02:06:47.362520  <6>[   10.824892] cfg80211: failed to load regulatory.db

 2617 02:06:47.366338  <6>[   10.828632]   No soundcards found.

 2618 02:06:47.375871  <4>[   10.840016] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console

 2619 02:06:47.396318  <6>[   10.860995] Freeing unused kernel image (initmem) memory: 2148K

 2620 02:06:47.415001  <6>[   10.879174] Write protecting the kernel read-only data: 34816k

 2621 02:06:47.426915  <6>[   10.890350] Freeing unused kernel image (text/rodata gap) memory: 2028K

 2622 02:06:47.435816  <6>[   10.899730] Freeing unused kernel image (rodata/data gap) memory: 860K

 2623 02:06:47.440333  <6>[   10.907744] Run /init as init process

 2624 02:06:47.470132  Loading, please wait...

 2625 02:06:47.480385  <6>[   10.944498] mkdir (112) used greatest stack depth: 13968 bytes left

 2626 02:06:47.529710  Starting version 247.3-7+deb11u2

 2627 02:06:47.537137  <6>[   10.999948] systemd-udevd (122) used greatest stack depth: 13816 bytes left

 2628 02:06:47.798409  <6>[   11.262658] udevadm (124) used greatest stack depth: 13592 bytes left

 2629 02:06:48.542965  <6>[   12.009228] chromeos ramoops using acpi device.

 2630 02:06:48.555746  <6>[   12.018914] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2631 02:06:48.581984  <4>[   12.044260] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer.

 2632 02:06:48.590783  <6>[   12.047144] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2633 02:06:48.599031  <4>[   12.057900] i2c_hid i2c-WCOM50C1:00: supply vdd not found, using dummy regulator

 2634 02:06:48.608716  <4>[   12.069069] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator

 2635 02:06:48.616011  <4>[   12.072640] i2c_hid i2c-WCOM50C1:00: supply vddl not found, using dummy regulator

 2636 02:06:48.624326  <4>[   12.080225] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator

 2637 02:06:48.632822  <6>[   12.092113] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2638 02:06:48.678431  <6>[   12.141304] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2639 02:06:48.736445  <4>[   12.198185] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk

 2640 02:06:48.743924  <4>[   12.208493] da7219 i2c-DLGS7219:00: Invalid micbias pulse level

 2641 02:06:48.752562  <6>[   12.215868] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2642 02:06:48.774869  <6>[   12.238286] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2643 02:06:48.933623  <6>[   12.396814] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2644 02:06:48.948382  <6>[   12.414887] Registered efivars operations

 2645 02:06:48.960752  <6>[   12.428262] gsmi version 1.0 loaded

 2646 02:06:49.691664  <3>[   13.156061] i2c_designware i2c_designware.5: controller timed out

 2647 02:06:49.733366  <4>[   13.197150] i2c_designware i2c_designware.5: timeout in disabling adapter

 2648 02:06:49.753611  <6>[   13.216939] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2649 02:06:49.770039  <6>[   13.231730] cros-usbpd-charger cros-usbpd-charger.2.auto: Could not get charger port count

 2650 02:06:49.778005  <6>[   13.237169] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2651 02:06:49.797323  <6>[   13.260107] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2652 02:06:49.805229  <6>[   13.264746] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (0408:3090)

 2653 02:06:49.828217  <6>[   13.287630] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:15.0/usb1/1-5/1-5:1.0/input/input6

 2654 02:06:49.840898  <6>[   13.303127] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2655 02:06:49.846747  <6>[   13.303754] usbcore: registered new interface driver uvcvideo

 2656 02:06:49.851399  <6>[   13.318332] USB Video Class driver (1.1.1)

 2657 02:06:49.873972  <6>[   13.338186] udevadm (140) used greatest stack depth: 13400 bytes left

 2658 02:06:49.878594  Begin: Loading essential drivers ... done.

 2659 02:06:49.885069  Begin: Running /scripts/init-premount ... done.

 2660 02:06:49.893040  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

 2661 02:06:49.902647  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

 2662 02:06:49.906160  Device /sys/class/net/eth0 found

 2663 02:06:49.907010  done.

 2664 02:06:49.979017  IP-Config: eth0 hardware address 00:e0:4c:78:86:ca mtu 1500 DHCP

 2665 02:06:49.988795  IP-Config: eth0 complete (dhcp from 192.168.201.1):

 2666 02:06:49.997972   address: 192.168.201.17   broadcast: 192.168.201.255  netmask: 255.255.255.0   

 2667 02:06:50.004421   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         

 2668 02:06:50.012123   host   : asus-c523na-a20057-coral-cbg-1                                  

 2669 02:06:50.019612   domain : lava-rack                                                       

 2670 02:06:50.023612   rootserver: 192.168.201.1 rootpath: 

 2671 02:06:50.024714   filename  : 

 2672 02:06:50.075118  <6>[   13.539408] nfsmount (172) used greatest stack depth: 12680 bytes left

 2673 02:06:50.075677  done.

 2674 02:06:50.093526  Begin: Running /scripts/nfs-bottom ... done.

 2675 02:06:50.130990  Begin: Running /scripts/init-bottom ... done.

 2676 02:06:50.823954  <4>[   14.287492] i2c_designware i2c_designware.5: timeout in disabling adapter

 2677 02:06:51.467392  SELinux:  Could not open policy file <= /etc/selinux/targeted/policy/policy.33:  No such file or directory

 2678 02:06:51.813402  <30>[   15.258821] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified)

 2679 02:06:51.834322  <30>[   15.299662] systemd[1]: Detected architecture x86-64.

 2680 02:06:51.860389  

 2681 02:06:51.865074  Welcome to Debian GNU/Linux 11 (bullseye)!

 2682 02:06:51.865579  

 2683 02:06:51.877594  <30>[   15.341908] systemd[1]: Set hostname to <debian-bullseye-amd64>.

 2684 02:06:53.127083  <30>[   16.589982] systemd[1]: Queued start job for default target Graphical Interface.

 2685 02:06:53.143310  <30>[   16.608211] systemd[1]: Created slice system-getty.slice.

 2686 02:06:53.150538  [  OK  ] Created slice system-getty.slice.

 2687 02:06:53.160314  <30>[   16.624919] systemd[1]: Created slice system-modprobe.slice.

 2688 02:06:53.167279  [  OK  ] Created slice system-modprobe.slice.

 2689 02:06:53.179020  <30>[   16.643149] systemd[1]: Created slice system-serial\x2dgetty.slice.

 2690 02:06:53.186927  [  OK  ] Created slice system-serial\x2dgetty.slice.

 2691 02:06:53.197110  <30>[   16.661932] systemd[1]: Created slice User and Session Slice.

 2692 02:06:53.204608  [  OK  ] Created slice User and Session Slice.

 2693 02:06:53.217778  <30>[   16.679624] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

 2694 02:06:53.227034  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

 2695 02:06:53.239594  <30>[   16.702191] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

 2696 02:06:53.249019  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

 2697 02:06:53.263870  <30>[   16.724475] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.

 2698 02:06:53.273655  [  OK  ] Set up automount Arbitrary…s File System Automount Point.

 2699 02:06:53.280855  <30>[   16.745517] systemd[1]: Reached target Local Encrypted Volumes.

 2700 02:06:53.288848  [  OK  ] Reached target Local Encrypted Volumes.

 2701 02:06:53.296205  <30>[   16.762494] systemd[1]: Reached target Paths.

 2702 02:06:53.302114  [  OK  ] Reached target Paths.

 2703 02:06:53.309645  <30>[   16.774318] systemd[1]: Reached target Remote File Systems.

 2704 02:06:53.316689  [  OK  ] Reached target Remote File Systems.

 2705 02:06:53.324880  <30>[   16.791379] systemd[1]: Reached target Slices.

 2706 02:06:53.331565  [  OK  ] Reached target Slices.

 2707 02:06:53.337021  <30>[   16.803454] systemd[1]: Reached target Swap.

 2708 02:06:53.342693  [  OK  ] Reached target Swap.

 2709 02:06:53.352242  <30>[   16.816454] systemd[1]: Listening on initctl Compatibility Named Pipe.

 2710 02:06:53.360647  [  OK  ] Listening on initctl Compatibility Named Pipe.

 2711 02:06:53.373465  <30>[   16.838379] systemd[1]: Listening on Journal Audit Socket.

 2712 02:06:53.380768  [  OK  ] Listening on Journal Audit Socket.

 2713 02:06:53.392483  <30>[   16.857292] systemd[1]: Listening on Journal Socket (/dev/log).

 2714 02:06:53.400068  [  OK  ] Listening on Journal Socket (/dev/log).

 2715 02:06:53.410315  <30>[   16.876254] systemd[1]: Listening on Journal Socket.

 2716 02:06:53.416866  [  OK  ] Listening on Journal Socket.

 2717 02:06:53.430142  <30>[   16.894506] systemd[1]: Listening on Network Service Netlink Socket.

 2718 02:06:53.438932  [  OK  ] Listening on Network Service Netlink Socket.

 2719 02:06:53.451844  <30>[   16.916946] systemd[1]: Listening on udev Control Socket.

 2720 02:06:53.458696  [  OK  ] Listening on udev Control Socket.

 2721 02:06:53.469780  <30>[   16.934870] systemd[1]: Listening on udev Kernel Socket.

 2722 02:06:53.476506  [  OK  ] Listening on udev Kernel Socket.

 2723 02:06:53.493781  <30>[   16.958832] systemd[1]: Mounting Huge Pages File System...

 2724 02:06:53.499983           Mounting Huge Pages File System...

 2725 02:06:53.520325  <30>[   16.984687] systemd[1]: Mounting POSIX Message Queue File System...

 2726 02:06:53.527776           Mounting POSIX Message Queue File System...

 2727 02:06:53.544616  <30>[   17.009645] systemd[1]: Mounting Kernel Debug File System...

 2728 02:06:53.551238           Mounting Kernel Debug File System...

 2729 02:06:53.564474  <30>[   17.029513] systemd[1]: Mounting Kernel Trace File System...

 2730 02:06:53.571158           Mounting Kernel Trace File System...

 2731 02:06:53.611512  <30>[   17.072622] systemd[1]: Starting Create list of static device nodes for the current kernel...

 2732 02:06:53.620108           Starting Create list of st…odes for the current kernel...

 2733 02:06:53.635325  <30>[   17.099970] systemd[1]: Starting Load Kernel Module configfs...

 2734 02:06:53.642486           Starting Load Kernel Module configfs...

 2735 02:06:53.661708  <30>[   17.126527] systemd[1]: Starting Load Kernel Module drm...

 2736 02:06:53.667665           Starting Load Kernel Module drm...

 2737 02:06:53.685208  <30>[   17.149788] systemd[1]: Starting Load Kernel Module fuse...

 2738 02:06:53.691176           Starting Load Kernel Module fuse...

 2739 02:06:53.698256  <6>[   17.160140] mount (199) used greatest stack depth: 12528 bytes left

 2740 02:06:53.719818  <30>[   17.180964] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

 2741 02:06:53.741111  <30>[   17.207085] systemd[1]: Starting Journal Service...

 2742 02:06:53.747120           Starting Journal Service...

 2743 02:06:53.769897  <6>[   17.236007] fuse: init (API version 7.32)

 2744 02:06:53.775484  <30>[   17.239785] systemd[1]: Starting Load Kernel Modules...

 2745 02:06:53.781426           Starting Load Kernel Modules...

 2746 02:06:53.797970  <30>[   17.262068] systemd[1]: Starting Remount Root and Kernel File Systems...

 2747 02:06:53.805392           Starting Remount Root and Kernel File Systems...

 2748 02:06:53.821096  <30>[   17.286148] systemd[1]: Starting Coldplug All udev Devices...

 2749 02:06:53.827291           Starting Coldplug All udev Devices...

 2750 02:06:53.860433  <30>[   17.325285] systemd[1]: Mounted Huge Pages File System.

 2751 02:06:53.866851  [  OK  ] Mounted Huge Pages File System.

 2752 02:06:53.878624  <30>[   17.343033] systemd[1]: Mounted POSIX Message Queue File System.

 2753 02:06:53.886372  [  OK  ] Mounted POSIX Message Queue File System.

 2754 02:06:53.900870  <30>[   17.366016] systemd[1]: Mounted Kernel Debug File System.

 2755 02:06:53.908231  [  OK  ] Mounted Kernel Debug File System.

 2756 02:06:53.918895  <30>[   17.384255] systemd[1]: Mounted Kernel Trace File System.

 2757 02:06:53.926613  [  OK  ] Mounted Kernel Trace File System.

 2758 02:06:53.943795  <30>[   17.405904] systemd[1]: Finished Create list of static device nodes for the current kernel.

 2759 02:06:53.954037  [  OK  ] Finished Create list of st… nodes for the current kernel.

 2760 02:06:53.968373  <30>[   17.433748] systemd[1]: modprobe@configfs.service: Succeeded.

 2761 02:06:53.978012  <30>[   17.443269] systemd[1]: Finished Load Kernel Module configfs.

 2762 02:06:53.985569  [  OK  ] Finished Load Kernel Module configfs.

 2763 02:06:53.997869  <30>[   17.463525] systemd[1]: modprobe@drm.service: Succeeded.

 2764 02:06:54.006845  <30>[   17.472578] systemd[1]: Finished Load Kernel Module drm.

 2765 02:06:54.014710  [  OK  ] Finished Load Kernel Module drm.

 2766 02:06:54.027107  <30>[   17.492513] systemd[1]: modprobe@fuse.service: Succeeded.

 2767 02:06:54.036994  <30>[   17.501938] systemd[1]: Finished Load Kernel Module fuse.

 2768 02:06:54.044129  [  OK  ] Finished Load Kernel Module fuse.

 2769 02:06:54.056245  <30>[   17.521568] systemd[1]: Finished Load Kernel Modules.

 2770 02:06:54.062752  [  OK  ] Finished Load Kernel Modules.

 2771 02:06:54.076957  <30>[   17.540818] systemd[1]: Finished Remount Root and Kernel File Systems.

 2772 02:06:54.085192  [  OK  ] Finished Remount Root and Kernel File Systems.

 2773 02:06:54.101074  <30>[   17.566100] systemd[1]: Mounting FUSE Control File System...

 2774 02:06:54.107379           Mounting FUSE Control File System...

 2775 02:06:54.123994  <30>[   17.588293] systemd[1]: Mounting Kernel Configuration File System...

 2776 02:06:54.131278           Mounting Kernel Configuration File System...

 2777 02:06:54.152746  <30>[   17.614888] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped.

 2778 02:06:54.165198  <30>[   17.625911] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped.

 2779 02:06:54.178439  <30>[   17.643497] systemd[1]: Starting Load/Save Random Seed...

 2780 02:06:54.184874           Starting Load/Save Random Seed...

 2781 02:06:54.198821  <30>[   17.663778] systemd[1]: Starting Apply Kernel Variables...

 2782 02:06:54.205279           Starting Apply Kernel Variables...

 2783 02:06:54.221203  <30>[   17.686454] systemd[1]: Starting Create System Users...

 2784 02:06:54.227056           Starting Create System Users...

 2785 02:06:54.245222  <30>[   17.710223] systemd[1]: Mounted FUSE Control File System.

 2786 02:06:54.252535  [  OK  ] Mounted FUSE Control File System.

 2787 02:06:54.264888  <30>[   17.729441] systemd[1]: Mounted Kernel Configuration File System.

 2788 02:06:54.272812  [  OK  ] Mounted Kernel Configuration File System.

 2789 02:06:54.312596  <30>[   17.777866] systemd[1]: Finished Load/Save Random Seed.

 2790 02:06:54.320188  [  OK  ] Finished Load/Save Random Seed.

 2791 02:06:54.334753  <30>[   17.797221] systemd[1]: Condition check resulted in First Boot Complete being skipped.

 2792 02:06:54.352962  <30>[   17.818258] systemd[1]: Finished Apply Kernel Variables.

 2793 02:06:54.360615  [  OK  ] Finished Apply Kernel Variables.

 2794 02:06:54.474808  <30>[   17.940349] systemd[1]: Finished Create System Users.

 2795 02:06:54.481807  [  OK  ] Finished Create System Users.

 2796 02:06:54.497927  <30>[   17.961798] systemd[1]: Starting Create Static Device Nodes in /dev...

 2797 02:06:54.505219           Starting Create Static Device Nodes in /dev...

 2798 02:06:54.537661  <30>[   18.003390] systemd[1]: Started Journal Service.

 2799 02:06:54.543943  [  OK  ] Started Journal Service.

 2800 02:06:54.561810           Starting Flush Journal to Persistent Storage...

 2801 02:06:54.653355  <46>[   18.115849] systemd-journald[207]: Received client request to flush runtime journal.

 2802 02:06:54.685841  [  OK  ] Finished Create Static Device Nodes in /dev.

 2803 02:06:54.696020  [  OK  ] Reached target Local File Systems (Pre).

 2804 02:06:54.704641  [  OK  ] Reached target Local File Systems.

 2805 02:06:54.730910           Starting Rule-based Manage…for Device Events and Files...

 2806 02:06:55.258384  [  OK  ] Finished Coldplug All udev Devices.

 2807 02:06:56.233053  [  OK  ] Finished Flush Journal to Persistent Storage.

 2808 02:06:56.250070           Starting Create Volatile Files and Directories...

 2809 02:06:56.364442  [  OK  ] Started Rule-based Manager for Device Events and Files.

 2810 02:06:56.386509           Starting Network Service...

 2811 02:06:57.024117  [  OK  ] Created slice system-systemd\x2dbacklight.slice.

 2812 02:06:57.046095           Starting Load/Save Screen …f backlight:intel_backlight...

 2813 02:06:57.131651  [  OK  ] Found device Celeron N3350…3900 Series HSUART Controller.

 2814 02:06:57.422939  [  OK  ] Finished Load/Save Screen … of backlight:intel_backlight.

 2815 02:06:57.821229  [  OK  ] Finished Create Volatile Files and Directories.

 2816 02:06:57.950523  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 2817 02:06:57.982553           Starting Network Time Synchronization...

 2818 02:06:57.998333           Starting Update UTMP about System Boot/Shutdown...

 2819 02:06:58.008137  [  OK  ] Started Network Service.

 2820 02:06:58.037931           Starting Network Name Resolution...

 2821 02:06:58.085049  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 2822 02:06:58.582881  [  OK  ] Started Network Time Synchronization.

 2823 02:06:58.594517  [  OK  ] Reached target System Initialization.

 2824 02:06:58.605897  [  OK  ] Started Daily Cleanup of Temporary Directories.

 2825 02:06:58.615066  [  OK  ] Reached target System Time Set.

 2826 02:06:58.626846  [  OK  ] Reached target System Time Synchronized.

 2827 02:06:58.676296  [  OK  ] Started Daily apt download activities.

 2828 02:06:58.698547  [  OK  ] Started Daily apt upgrade and clean activities.

 2829 02:06:58.722766  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 2830 02:06:58.742243  [  OK  ] Started Discard unused blocks once a week.

 2831 02:06:58.752454  [  OK  ] Reached target Timers.

 2832 02:06:58.803129  [  OK  ] Listening on D-Bus System Message Bus Socket.

 2833 02:06:58.810663  [  OK  ] Reached target Sockets.

 2834 02:06:58.817885  [  OK  ] Reached target Basic System.

 2835 02:06:58.834944  [  OK  ] Started D-Bus System Message Bus.

 2836 02:06:58.953478           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 2837 02:06:59.029111           Starting User Login Management...

 2838 02:06:59.302354  [  OK  ] Started Network Name Resolution.

 2839 02:06:59.311485  [  OK  ] Reached target Network.

 2840 02:06:59.320226  [  OK  ] Reached target Host and Network Name Lookups.

 2841 02:06:59.333929           Starting Permit User Sessions...

 2842 02:06:59.466290  [  OK  ] Finished Permit User Sessions.

 2843 02:06:59.495435  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 2844 02:06:59.524049  [  OK  ] Started Getty on tty1.

 2845 02:06:59.541706  [  OK  ] Started Serial Getty on ttyS2.

 2846 02:06:59.550259  [  OK  ] Reached target Login Prompts.

 2847 02:06:59.570940  [  OK  ] Started User Login Management.

 2848 02:06:59.588510  [  OK  ] Reached target Multi-User System.

 2849 02:06:59.600138  [  OK  ] Reached target Graphical Interface.

 2850 02:06:59.621152           Starting Update UTMP about System Runlevel Changes...

 2851 02:06:59.710831  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 2852 02:06:59.774517  

 2853 02:06:59.775064  

 2854 02:06:59.778627  Debian GNU/Linux 11 debian-bullseye-amd64 ttyS2

 2855 02:06:59.779602  

 2856 02:06:59.784305  debian-bullseye-amd64 login: root (automatic login)

 2857 02:06:59.784797  

 2858 02:06:59.785160  

 2859 02:07:00.365613  Linux debian-bullseye-amd64 5.10.182-cip35 #1 SMP Wed Jun 14 01:54:33 UTC 2023 x86_64

 2860 02:07:00.366171  

 2861 02:07:00.372351  The programs included with the Debian GNU/Linux system are free software;

 2862 02:07:00.379315  the exact distribution terms for each program are described in the

 2863 02:07:00.384162  individual files in /usr/share/doc/*/copyright.

 2864 02:07:00.384755  

 2865 02:07:00.390163  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 2866 02:07:00.393158  permitted by applicable law.

 2867 02:07:01.931444  Matched prompt #10: / #
 2869 02:07:01.932930  Kernel warnings or errors detected.
 2870 02:07:01.933306  Setting prompt string to ['/ #']
 2871 02:07:01.933811  end: 2.2.5.1 login-action (duration 00:00:23) [common]
 2873 02:07:01.935128  end: 2.2.5 auto-login-action (duration 00:00:25) [common]
 2874 02:07:01.935617  start: 2.2.6 expect-shell-connection (timeout 00:04:01) [common]
 2875 02:07:01.935881  Setting prompt string to ['/ #']
 2876 02:07:01.935977  Forcing a shell prompt, looking for ['/ #']
 2878 02:07:01.986237  / # 

 2879 02:07:01.986613  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 2880 02:07:01.986992  Waiting using forced prompt support (timeout 00:02:30)
 2881 02:07:01.991233  

 2882 02:07:01.995533  end: 2.2.6 expect-shell-connection (duration 00:00:00) [common]
 2883 02:07:01.995980  start: 2.2.7 export-device-env (timeout 00:04:01) [common]
 2885 02:07:02.097109  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10716722/extract-nfsrootfs-u07vnftj'

 2886 02:07:02.100406  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10716722/extract-nfsrootfs-u07vnftj'

 2888 02:07:02.205020  / # export NFS_SERVER_IP='192.168.201.1'

 2889 02:07:02.208462  export NFS_SERVER_IP='192.168.201.1'

 2890 02:07:02.211786  end: 2.2.7 export-device-env (duration 00:00:00) [common]
 2891 02:07:02.212472  end: 2.2 depthcharge-retry (duration 00:00:59) [common]
 2892 02:07:02.212999  end: 2 depthcharge-action (duration 00:00:59) [common]
 2893 02:07:02.213547  start: 3 lava-test-retry (timeout 00:08:36) [common]
 2894 02:07:02.214040  start: 3.1 lava-test-shell (timeout 00:08:36) [common]
 2895 02:07:02.214459  Using namespace: common
 2897 02:07:02.315784  / # #

 2898 02:07:02.316463  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 2899 02:07:02.319334  #

 2900 02:07:02.322119  Using /lava-10716722
 2902 02:07:02.423471  / # export SHELL=/bin/bash

 2903 02:07:02.426937  export SHELL=/bin/bash

 2905 02:07:02.531465  / # . /lava-10716722/environment

 2906 02:07:02.535152  . /lava-10716722/environment

 2908 02:07:02.645786  / # /lava-10716722/bin/lava-test-runner /lava-10716722/0

 2909 02:07:02.646429  Test shell timeout: 10s (minimum of the action and connection timeout)
 2910 02:07:02.649592  /lava-10716722/bin/lava-test-runner /lava-10716722/0

 2911 02:07:03.210117  + export TESTRUN_ID=0_timesync-off

 2912 02:07:03.213166  + TESTRUN_ID=0_timesync-off

 2913 02:07:03.216683  + cd /lava-10716722/0/tests/0_timesync-off

 2914 02:07:03.218252  ++ cat uuid

 2915 02:07:03.245968  + UUID=10716722_1.5.2.3.1

 2916 02:07:03.247492  + set +x

 2917 02:07:03.252396  <LAVA_SIGNAL_STARTRUN 0_timesync-off 10716722_1.5.2.3.1>

 2918 02:07:03.253214  Received signal: <STARTRUN> 0_timesync-off 10716722_1.5.2.3.1
 2919 02:07:03.253700  Starting test lava.0_timesync-off (10716722_1.5.2.3.1)
 2920 02:07:03.254151  Skipping test definition patterns.
 2921 02:07:03.255924  + systemctl stop systemd-timesyncd

 2922 02:07:03.368363  + set +x

 2923 02:07:03.373940  <LAVA_SIGNAL_ENDRUN 0_timesync-off 10716722_1.5.2.3.1>

 2924 02:07:03.374772  Received signal: <ENDRUN> 0_timesync-off 10716722_1.5.2.3.1
 2925 02:07:03.375236  Ending use of test pattern.
 2926 02:07:03.375589  Ending test lava.0_timesync-off (10716722_1.5.2.3.1), duration 0.12
 2928 02:07:03.558398  + export TESTRUN_ID=1_kselftest-lkdtm

 2929 02:07:03.560979  + TESTRUN_ID=1_kselftest-lkdtm

 2930 02:07:03.565879  + cd /lava-10716722/0/tests/1_kselftest-lkdtm

 2931 02:07:03.566896  ++ cat uuid

 2932 02:07:03.587174  + UUID=10716722_1.5.2.3.5

 2933 02:07:03.587996  + set +x

 2934 02:07:03.593959  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 10716722_1.5.2.3.5>

 2935 02:07:03.594214  Received signal: <STARTRUN> 1_kselftest-lkdtm 10716722_1.5.2.3.5
 2936 02:07:03.594284  Starting test lava.1_kselftest-lkdtm (10716722_1.5.2.3.5)
 2937 02:07:03.594364  Skipping test definition patterns.
 2938 02:07:03.597393  + cd ./automated/linux/kselftest/

 2939 02:07:03.631260  + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-8-gc3d08808cfa7/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C523NA-A20057-coral -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1

 2940 02:07:03.755187  INFO: install_deps skipped

 2941 02:07:03.944239  --2023-06-14 02:07:04--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-8-gc3d08808cfa7/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz

 2942 02:07:03.974392  Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82

 2943 02:07:04.101947  Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected.

 2944 02:07:04.232333  HTTP request sent, awaiting response... 200 OK

 2945 02:07:04.237181  Length: 3307804 (3.2M) [application/octet-stream]

 2946 02:07:04.240447  Saving to: 'kselftest.tar.xz'

 2947 02:07:04.240910  

 2948 02:07:04.241274  

 2949 02:07:04.490365  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               

 2950 02:07:04.748068  kselftest.tar.xz      1%[                    ]  50.15K   200KB/s               

 2951 02:07:05.184722  kselftest.tar.xz      6%[>                   ] 216.08K   429KB/s               

 2952 02:07:05.451995  kselftest.tar.xz     25%[====>               ] 815.64K   874KB/s               

 2953 02:07:05.558325  kselftest.tar.xz     74%[=============>      ]   2.36M  1.97MB/s               

 2954 02:07:05.565682  kselftest.tar.xz    100%[===================>]   3.15M  2.42MB/s    in 1.3s    

 2955 02:07:05.565964  

 2956 02:07:05.857428  2023-06-14 02:07:05 (2.42 MB/s) - 'kselftest.tar.xz' saved [3307804/3307804]

 2957 02:07:05.857630  

 2958 02:07:17.761009  skiplist:

 2959 02:07:17.765148  ========================================

 2960 02:07:17.769036  ========================================

 2961 02:07:17.877472  lkdtm:PANIC.sh

 2962 02:07:17.878355  lkdtm:BUG.sh

 2963 02:07:17.880518  lkdtm:WARNING.sh

 2964 02:07:17.882764  lkdtm:WARNING_MESSAGE.sh

 2965 02:07:17.884658  lkdtm:EXCEPTION.sh

 2966 02:07:17.886308  lkdtm:LOOP.sh

 2967 02:07:17.888730  lkdtm:EXHAUST_STACK.sh

 2968 02:07:17.891335  lkdtm:CORRUPT_STACK.sh

 2969 02:07:17.893770  lkdtm:CORRUPT_STACK_STRONG.sh

 2970 02:07:17.896608  lkdtm:CORRUPT_LIST_ADD.sh

 2971 02:07:17.898930  lkdtm:CORRUPT_LIST_DEL.sh

 2972 02:07:17.902522  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2973 02:07:17.906501  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2974 02:07:17.908205  lkdtm:UNSET_SMEP.sh

 2975 02:07:17.910182  lkdtm:DOUBLE_FAULT.sh

 2976 02:07:17.912444  lkdtm:CORRUPT_PAC.sh

 2977 02:07:17.916073  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2978 02:07:17.918847  lkdtm:OVERWRITE_ALLOCATION.sh

 2979 02:07:17.921401  lkdtm:WRITE_AFTER_FREE.sh

 2980 02:07:17.924313  lkdtm:READ_AFTER_FREE.sh

 2981 02:07:17.927726  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2982 02:07:17.930746  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2983 02:07:17.933112  lkdtm:SLAB_FREE_DOUBLE.sh

 2984 02:07:17.936162  lkdtm:SLAB_FREE_CROSS.sh

 2985 02:07:17.938436  lkdtm:SLAB_FREE_PAGE.sh

 2986 02:07:17.940533  lkdtm:SOFTLOCKUP.sh

 2987 02:07:17.942087  lkdtm:HARDLOCKUP.sh

 2988 02:07:17.944734  lkdtm:SPINLOCKUP.sh

 2989 02:07:17.946425  lkdtm:HUNG_TASK.sh

 2990 02:07:17.948745  lkdtm:EXEC_DATA.sh

 2991 02:07:17.949989  lkdtm:EXEC_STACK.sh

 2992 02:07:17.953126  lkdtm:EXEC_KMALLOC.sh

 2993 02:07:17.954379  lkdtm:EXEC_VMALLOC.sh

 2994 02:07:17.957002  lkdtm:EXEC_RODATA.sh

 2995 02:07:17.959830  lkdtm:EXEC_USERSPACE.sh

 2996 02:07:17.961568  lkdtm:EXEC_NULL.sh

 2997 02:07:17.964067  lkdtm:ACCESS_USERSPACE.sh

 2998 02:07:17.966060  lkdtm:ACCESS_NULL.sh

 2999 02:07:17.967856  lkdtm:WRITE_RO.sh

 3000 02:07:17.970638  lkdtm:WRITE_RO_AFTER_INIT.sh

 3001 02:07:17.973301  lkdtm:WRITE_KERN.sh

 3002 02:07:17.975901  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 3003 02:07:17.978965  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 3004 02:07:17.983108  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3005 02:07:17.986878  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3006 02:07:17.989728  lkdtm:REFCOUNT_DEC_ZERO.sh

 3007 02:07:17.992499  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 3008 02:07:17.996951  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3009 02:07:18.000985  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 3010 02:07:18.003070  lkdtm:REFCOUNT_INC_ZERO.sh

 3011 02:07:18.005763  lkdtm:REFCOUNT_ADD_ZERO.sh

 3012 02:07:18.009672  lkdtm:REFCOUNT_INC_SATURATED.sh

 3013 02:07:18.013074  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3014 02:07:18.016990  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3015 02:07:18.019962  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3016 02:07:18.023829  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3017 02:07:18.027629  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3018 02:07:18.032303  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3019 02:07:18.034461  lkdtm:REFCOUNT_TIMING.sh

 3020 02:07:18.037153  lkdtm:ATOMIC_TIMING.sh

 3021 02:07:18.039832  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3022 02:07:18.043535  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3023 02:07:18.047356  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3024 02:07:18.050674  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3025 02:07:18.053932  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3026 02:07:18.057446  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3027 02:07:18.061200  lkdtm:USERCOPY_STACK_BEYOND.sh

 3028 02:07:18.063375  lkdtm:USERCOPY_KERNEL.sh

 3029 02:07:18.065861  lkdtm:STACKLEAK_ERASING.sh

 3030 02:07:18.069010  lkdtm:CFI_FORWARD_PROTO.sh

 3031 02:07:18.072599  ============== Tests to run ===============

 3032 02:07:18.074456  lkdtm:PANIC.sh

 3033 02:07:18.075568  lkdtm:BUG.sh

 3034 02:07:18.078214  lkdtm:WARNING.sh

 3035 02:07:18.080142  lkdtm:WARNING_MESSAGE.sh

 3036 02:07:18.081678  lkdtm:EXCEPTION.sh

 3037 02:07:18.083649  lkdtm:LOOP.sh

 3038 02:07:18.085824  lkdtm:EXHAUST_STACK.sh

 3039 02:07:18.088948  lkdtm:CORRUPT_STACK.sh

 3040 02:07:18.091672  lkdtm:CORRUPT_STACK_STRONG.sh

 3041 02:07:18.093970  lkdtm:CORRUPT_LIST_ADD.sh

 3042 02:07:18.097231  lkdtm:CORRUPT_LIST_DEL.sh

 3043 02:07:18.100344  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 3044 02:07:18.103753  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 3045 02:07:18.105918  lkdtm:UNSET_SMEP.sh

 3046 02:07:18.107845  lkdtm:DOUBLE_FAULT.sh

 3047 02:07:18.110086  lkdtm:CORRUPT_PAC.sh

 3048 02:07:18.113548  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 3049 02:07:18.116746  lkdtm:OVERWRITE_ALLOCATION.sh

 3050 02:07:18.119486  lkdtm:WRITE_AFTER_FREE.sh

 3051 02:07:18.122281  lkdtm:READ_AFTER_FREE.sh

 3052 02:07:18.125656  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 3053 02:07:18.128127  lkdtm:READ_BUDDY_AFTER_FREE.sh

 3054 02:07:18.131413  lkdtm:SLAB_FREE_DOUBLE.sh

 3055 02:07:18.133400  lkdtm:SLAB_FREE_CROSS.sh

 3056 02:07:18.135666  lkdtm:SLAB_FREE_PAGE.sh

 3057 02:07:18.137682  lkdtm:SOFTLOCKUP.sh

 3058 02:07:18.139869  lkdtm:HARDLOCKUP.sh

 3059 02:07:18.142346  lkdtm:SPINLOCKUP.sh

 3060 02:07:18.144178  lkdtm:HUNG_TASK.sh

 3061 02:07:18.146013  lkdtm:EXEC_DATA.sh

 3062 02:07:18.148219  lkdtm:EXEC_STACK.sh

 3063 02:07:18.150418  lkdtm:EXEC_KMALLOC.sh

 3064 02:07:18.152351  lkdtm:EXEC_VMALLOC.sh

 3065 02:07:18.153969  lkdtm:EXEC_RODATA.sh

 3066 02:07:18.156641  lkdtm:EXEC_USERSPACE.sh

 3067 02:07:18.159045  lkdtm:EXEC_NULL.sh

 3068 02:07:18.162466  lkdtm:ACCESS_USERSPACE.sh

 3069 02:07:18.164288  lkdtm:ACCESS_NULL.sh

 3070 02:07:18.165081  lkdtm:WRITE_RO.sh

 3071 02:07:18.168086  lkdtm:WRITE_RO_AFTER_INIT.sh

 3072 02:07:18.171371  lkdtm:WRITE_KERN.sh

 3073 02:07:18.173076  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 3074 02:07:18.176552  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 3075 02:07:18.180701  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3076 02:07:18.184506  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3077 02:07:18.186878  lkdtm:REFCOUNT_DEC_ZERO.sh

 3078 02:07:18.190446  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 3079 02:07:18.194157  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3080 02:07:18.199002  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 3081 02:07:18.201094  lkdtm:REFCOUNT_INC_ZERO.sh

 3082 02:07:18.204017  lkdtm:REFCOUNT_ADD_ZERO.sh

 3083 02:07:18.206681  lkdtm:REFCOUNT_INC_SATURATED.sh

 3084 02:07:18.210135  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3085 02:07:18.213107  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3086 02:07:18.216953  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3087 02:07:18.221567  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3088 02:07:18.225685  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3089 02:07:18.229339  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3090 02:07:18.231543  lkdtm:REFCOUNT_TIMING.sh

 3091 02:07:18.234335  lkdtm:ATOMIC_TIMING.sh

 3092 02:07:18.237132  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3093 02:07:18.240776  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3094 02:07:18.244936  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3095 02:07:18.248116  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3096 02:07:18.251957  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3097 02:07:18.254814  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3098 02:07:18.257767  lkdtm:USERCOPY_STACK_BEYOND.sh

 3099 02:07:18.260792  lkdtm:USERCOPY_KERNEL.sh

 3100 02:07:18.263849  lkdtm:STACKLEAK_ERASING.sh

 3101 02:07:18.266012  lkdtm:CFI_FORWARD_PROTO.sh

 3102 02:07:18.270179  ===========End Tests to run ===============

 3103 02:07:19.535453  <12>[   43.001687] kselftest: Running tests in lkdtm

 3104 02:07:19.559274  TAP version 13

 3105 02:07:19.584842  1..70

 3106 02:07:19.610461  # selftests: lkdtm: PANIC.sh

 3107 02:07:20.193987  # Skipping PANIC: crashes entire system

 3108 02:07:20.201770  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 3109 02:07:20.224440  # selftests: lkdtm: BUG.sh

 3110 02:07:20.477843  <6>[   43.943723] lkdtm: Performing direct entry BUG

 3111 02:07:20.484163  <4>[   43.950273] ------------[ cut here ]------------

 3112 02:07:20.490375  <2>[   43.955808] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3113 02:07:20.496263  <4>[   43.962006] invalid opcode: 0000 [#1] SMP PTI

 3114 02:07:20.504888  <4>[   43.967169] CPU: 2 PID: 636 Comm: cat Tainted: G        W         5.10.182-cip35 #1

 3115 02:07:20.511389  <4>[   43.976003] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3116 02:07:20.517196  <4>[   43.982918] RIP: 0010:lkdtm_BUG+0x5/0x10

 3117 02:07:20.541001  <4>[   43.987595] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 3118 02:07:20.543277  <4>[   44.008828] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 3119 02:07:20.551880  <4>[   44.014956] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 3120 02:07:20.559987  <4>[   44.023209] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 3121 02:07:20.568812  <4>[   44.031459] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 3122 02:07:20.576947  <4>[   44.039712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3123 02:07:20.584724  <4>[   44.047967] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 3124 02:07:20.594391  <4>[   44.056230] FS:  00007f2e15348580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 3125 02:07:20.600538  <4>[   44.065558] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3126 02:07:20.609290  <4>[   44.072263] CR2: 00007f2e15152000 CR3: 0000000102b5c000 CR4: 00000000003506e0

 3127 02:07:20.612695  <4>[   44.080522] Call Trace:

 3128 02:07:20.616566  <4>[   44.083556]  ? __die_body.cold+0x1a/0x1f

 3129 02:07:20.620193  <4>[   44.088232]  ? die+0x2b/0x50

 3130 02:07:20.624680  <4>[   44.091738]  ? do_trap+0x91/0x110

 3131 02:07:20.628675  <4>[   44.095724]  ? lkdtm_BUG+0x5/0x10

 3132 02:07:20.633826  <4>[   44.099718]  ? do_error_trap+0x90/0x110

 3133 02:07:20.636643  <4>[   44.104287]  ? lkdtm_BUG+0x5/0x10

 3134 02:07:20.641472  <4>[   44.108276]  ? lkdtm_BUG+0x5/0x10

 3135 02:07:20.645143  <4>[   44.112267]  ? exc_invalid_op+0x4e/0x70

 3136 02:07:20.649349  <4>[   44.116838]  ? lkdtm_BUG+0x5/0x10

 3137 02:07:20.654268  <4>[   44.120830]  ? asm_exc_invalid_op+0x12/0x20

 3138 02:07:20.659466  <4>[   44.125798]  ? direct_entry+0xe0/0xe0

 3139 02:07:20.664750  <4>[   44.130188]  ? lkdtm_BUG+0x5/0x10

 3140 02:07:20.667541  <4>[   44.134188]  direct_entry.cold+0x2c/0x38

 3141 02:07:20.672121  <4>[   44.138863]  full_proxy_write+0x56/0x80

 3142 02:07:20.676322  <4>[   44.143441]  vfs_write+0xea/0x3b0

 3143 02:07:20.679950  <4>[   44.147437]  ksys_write+0x68/0xf0

 3144 02:07:20.684751  <4>[   44.151435]  do_syscall_64+0x33/0x40

 3145 02:07:20.689798  <4>[   44.155720]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3146 02:07:20.695665  <4>[   44.161656] RIP: 0033:0x7f2e1525e473

 3147 02:07:20.716872  <4>[   44.165940] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3148 02:07:20.724436  <4>[   44.187192] RSP: 002b:00007ffdff3d6318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3149 02:07:20.733005  <4>[   44.195943] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2e1525e473

 3150 02:07:20.740833  <4>[   44.204192] RDX: 0000000000000004 RSI: 00007f2e15152000 RDI: 0000000000000001

 3151 02:07:20.749402  <4>[   44.212453] RBP: 00007f2e15152000 R08: 00007f2e15151010 R09: 0000000000000000

 3152 02:07:20.758150  <4>[   44.220709] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3153 02:07:20.765815  <4>[   44.228963] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3154 02:07:20.806098  <4>[   44.237228] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3155 02:07:20.812497  <0>[   44.279228] gsmi: Log Shutdown Reason 0x03

 3156 02:07:20.818104  <4>[   44.284152] ---[ end trace bf7d0a621a4c665e ]---

 3157 02:07:20.822705  <4>[   44.289625] RIP: 0010:lkdtm_BUG+0x5/0x10

 3158 02:07:20.844783  <4>[   44.294318] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 3159 02:07:20.850863  <4>[   44.315598] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 3160 02:07:20.858473  <4>[   44.321741] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 3161 02:07:20.867050  <4>[   44.330012] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 3162 02:07:20.874898  <4>[   44.338279] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 3163 02:07:20.883545  <4>[   44.346565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3164 02:07:20.892183  <4>[   44.354834] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 3165 02:07:20.900910  <4>[   44.363109] FS:  00007f2e15348580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 3166 02:07:20.908291  <4>[   44.372488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3167 02:07:20.916215  <4>[   44.379230] CR2: 00007f2e15152000 CR3: 0000000102b5c000 CR4: 00000000003506e0

 3168 02:07:20.919032  # Segmentation fault

 3169 02:07:20.962837  # [   43.943723] lkdtm: Performing direct entry BUG

 3170 02:07:20.968556  # [   43.950273] ------------[ cut here ]------------

 3171 02:07:20.974367  # [   43.955808] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3172 02:07:20.980287  # [   43.962006] invalid opcode: 0000 [#1] SMP PTI

 3173 02:07:20.988379  # [   43.967169] CPU: 2 PID: 636 Comm: cat Tainted: G        W         5.10.182-cip35 #1

 3174 02:07:20.996438  # [   43.976003] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3175 02:07:21.000151  # [   43.982918] RIP: 0010:lkdtm_BUG+0x5/0x10

 3176 02:07:21.020589  # [   43.987595] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 3177 02:07:21.026300  # [   44.008828] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 3178 02:07:21.035425  # [   44.014956] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 3179 02:07:21.043330  # [   44.023209] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 3180 02:07:21.051337  # [   44.031459] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 3181 02:07:21.059191  # [   44.039712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3182 02:07:21.068407  # [   44.047967] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 3183 02:07:21.076742  # [   44.056230] FS:  00007f2e15348580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 3184 02:07:21.083406  # [   44.065558] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3185 02:07:21.091828  # [   44.072263] CR2: 00007f2e15152000 CR3: 0000000102b5c000 CR4: 00000000003506e0

 3186 02:07:21.095350  # [   44.080522] Call Trace:

 3187 02:07:21.098844  # [   44.083556]  ? __die_body.cold+0x1a/0x1f

 3188 02:07:21.103291  # [   44.088232]  ? die+0x2b/0x50

 3189 02:07:21.105857  # [   44.091738]  ? do_trap+0x91/0x110

 3190 02:07:21.109797  # [   44.095724]  ? lkdtm_BUG+0x5/0x10

 3191 02:07:21.114285  # [   44.099718]  ? do_error_trap+0x90/0x110

 3192 02:07:21.118990  # [   44.104287]  ? lkdtm_BUG+0x5/0x10

 3193 02:07:21.122053  # [   44.108276]  ? lkdtm_BUG+0x5/0x10

 3194 02:07:21.126463  # [   44.112267]  ? exc_invalid_op+0x4e/0x70

 3195 02:07:21.130826  # [   44.116838]  ? lkdtm_BUG+0x5/0x10

 3196 02:07:21.135338  # [   44.120830]  ? asm_exc_invalid_op+0x12/0x20

 3197 02:07:21.139242  # [   44.125798]  ? direct_entry+0xe0/0xe0

 3198 02:07:21.143275  # [   44.130188]  ? lkdtm_BUG+0x5/0x10

 3199 02:07:21.148281  # [   44.134188]  direct_entry.cold+0x2c/0x38

 3200 02:07:21.152608  # [   44.138863]  full_proxy_write+0x56/0x80

 3201 02:07:21.156269  # [   44.143441]  vfs_write+0xea/0x3b0

 3202 02:07:21.160831  # [   44.147437]  ksys_write+0x68/0xf0

 3203 02:07:21.164531  # [   44.151435]  do_syscall_64+0x33/0x40

 3204 02:07:21.170543  # [   44.155720]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3205 02:07:21.175679  # [   44.161656] RIP: 0033:0x7f2e1525e473

 3206 02:07:21.196094  # [   44.165940] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3207 02:07:21.201906  # [  <6>[   44.666430] lkdtm: Performing direct entry WARNING

 3208 02:07:21.213426   44.187192] RSP: 002b:00007ffdff3d6318 EFLAGS: 00000246 ORIG_RAX<4>[   44.673151] ------------[ cut here ]------------

 3209 02:07:21.223019  <4>[   44.684808] WARNING: CPU: 0 PID: 673 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3210 02:07:21.225565  : 0000000000000001

 3211 02:07:21.269154  # [   44.195943] RAX: ffffffffffffffda RBX: <4>[   44.694559] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3212 02:07:21.278437  <4>[   44.740860] CPU: 0 PID: 673 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3213 02:07:21.285171  <4>[   44.749708] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3214 02:07:21.290448  <4>[   44.756642] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3215 02:07:21.311692  <4>[   44.761814] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 56

 3216 02:07:21.317719  <4>[   44.783082] RSP: 0018:ffffa6d6c12f7e60 EFLAGS: 00010202

 3217 02:07:21.327048  <4>[   44.789216] RAX: ffffffff82179550 RBX: 0000000000000002 RCX: 0000000000000000

 3218 02:07:21.335512  <4>[   44.797482] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffffffff8317e860

 3219 02:07:21.342520  <4>[   44.805755] RBP: ffffffff835f8d57 R08: 0000000000000000 R09: 0000000000000000

 3220 02:07:21.350820  <4>[   44.814041] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3221 02:07:21.354821  0000000000000004 RCX: 00007f2e1525e473

 3222 02:07:21.366177  # [   44.204192] RDX: 00<4>[   44.822304] R13: ffffa6d6c12f7f10 R14: ffffa6d6c12f7f10 R15: ffff9309c5f3c000

 3223 02:07:21.374787  <4>[   44.836786] FS:  00007fc20c7b6580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 3224 02:07:21.382251  <4>[   44.846124] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3225 02:07:21.390069  <4>[   44.852852] CR2: 00007fc20c5c0000 CR3: 0000000102644000 CR4: 00000000003506f0

 3226 02:07:21.392438  <4>[   44.861113] Call Trace:

 3227 02:07:21.396526  <4>[   44.864168]  ? __warn+0x80/0x110

 3228 02:07:21.401046  <4>[   44.868087]  ? lkdtm_WARNING+0x13/0x20

 3229 02:07:21.406264  <4>[   44.872599]  ? report_bug+0x9e/0xc0

 3230 02:07:21.409913  <4>[   44.876808]  ? handle_bug+0x41/0x90

 3231 02:07:21.414270  <4>[   44.881007]  ? exc_invalid_op+0x14/0x70

 3232 02:07:21.419029  <4>[   44.885599]  ? asm_exc_invalid_op+0x12/0x20

 3233 02:07:21.423168  <4>[   44.890584]  ? lkdtm_BUG+0x10/0x10

 3234 02:07:21.427714  <4>[   44.894698]  ? lkdtm_WARNING+0x13/0x20

 3235 02:07:21.432218  <4>[   44.899196]  direct_entry.cold+0x2c/0x38

 3236 02:07:21.436981  <4>[   44.903885]  full_proxy_write+0x56/0x80

 3237 02:07:21.442021  <4>[   44.908478]  vfs_write+0xea/0x3b0

 3238 02:07:21.445375  <4>[   44.912492]  ksys_write+0x68/0xf0

 3239 02:07:21.449308  <4>[   44.916518]  do_syscall_64+0x33/0x40

 3240 02:07:21.455326  00000000000004 RSI: 00007f2e15152000 RDI: 0000000000000001

 3241 02:07:21.461557  # [ <4>[   44.920819]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3242 02:07:21.465985  <4>[   44.932937] RIP: 0033:0x7fc20c6cc473

 3243 02:07:21.487254  <4>[   44.937246] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3244 02:07:21.495376  <4>[   44.958497] RSP: 002b:00007ffcdbc07fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3245 02:07:21.504140  <4>[   44.967264] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fc20c6cc473

 3246 02:07:21.519634    44.212453] RBP: 00007f2e15152000 R08: 00007f2e15151010 R09: 00<4>[   44.975543] RDX: 0000000000000008 RSI: 00007fc20c5c0000 RDI: 0000000000000001

 3247 02:07:21.526985  <4>[   44.990013] RBP: 00007fc20c5c0000 R08: 00007fc20c5bf010 R09: 0000000000000000

 3248 02:07:21.535243  <4>[   44.998280] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3249 02:07:21.543522  <4>[   45.006556] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3250 02:07:21.547386  <4>[   45.014883] irq event stamp: 0

 3251 02:07:21.549042  00000000000000

 3252 02:07:21.560569  # [   44.220709] R10: fffffffffffffbc5 R11: 0000<4>[   45.018627] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3253 02:07:21.570651  <4>[   45.032110] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3254 02:07:21.579504  <4>[   45.041563] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3255 02:07:21.586898  <4>[   45.050993] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3256 02:07:21.592415  <4>[   45.058299] ---[ end trace bf7d0a621a4c665f ]---

 3257 02:07:21.595675  000000000246 R12: 0000000000000001

 3258 02:07:21.604416  # [   44.228963] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3259 02:07:21.643759  # [   44.237228] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3260 02:07:21.648635  # [   44.279228] gsmi: Log Shutdown Reason 0x03

 3261 02:07:21.654555  # [   44.284152] ---[ end trace bf7d0a621a4c665e ]---

 3262 02:07:21.658751  # [   44.289625] RIP: 0010:lkdtm_BUG+0x5/0x10

 3263 02:07:21.679939  # [   44.294318] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 3264 02:07:21.685569  # [   44.315598] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 3265 02:07:21.693584  # [   44.321741] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 3266 02:07:21.703128  # [   44.330012] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 3267 02:07:21.710552  # [   44.338279] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 3268 02:07:21.717914  # [   44.346565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3269 02:07:21.726352  # [   44.354834] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 3270 02:07:21.735679  # [   44.363109] FS:  00007f2e15348580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 3271 02:07:21.742750  # [   44.372488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3272 02:07:21.750076  # [   44.379230] CR2: 00007f2e15152000 CR3: 0000000102b5c000 CR4: 00000000003506e0

 3273 02:07:21.753718  # BUG: saw 'kernel BUG at': ok

 3274 02:07:21.756333  ok 2 selftests: lkdtm: BUG.sh

 3275 02:07:21.759473  # selftests: lkdtm: WARNING.sh

 3276 02:07:21.765481  # [   44.666430] lkdtm: Performing direct entry WARNING

 3277 02:07:21.770903  # [   44.673151] ------------[ cut here ]------------

 3278 02:07:21.779768  # [   44.684808] WARNING: CPU: 0 PID: 673 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3279 02:07:21.820681  # [   44.694559] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3280 02:07:21.828570  # [   44.740860] CPU: 0 PID: 673 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3281 02:07:21.840989  # [   44.749708] Hardware name: Google Coral/Coral, BIOS  09<6>[   45.305165] lkdtm: Performing direct entry WARNING_MESSAGE

 3282 02:07:21.841995  /29/2020

 3283 02:07:21.847107  # [   44.756642] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3284 02:07:21.852756  # <4>[   45.312385] ------------[ cut here ]------------

 3285 02:07:21.864901  [   44.761814] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 6<4>[   45.324061] Warning message trigger count: 2

 3286 02:07:21.880638  6 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 01 75<4>[   45.335420] WARNING: CPU: 3 PID: 708 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3287 02:07:21.926968   05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1<4>[   45.352042] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3288 02:07:21.930791  f 44 00 00 8b 05 31 56

 3289 02:07:21.941998  # [   44.783082] RSP: 0018:ffffa6d6c12f7<4>[   45.398328] CPU: 3 PID: 708 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3290 02:07:21.944556  e60 EFLAGS: 00010202

 3291 02:07:21.954939  # [   44.789216] RAX: ffffffff82179550 RBX<4>[   45.413544] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3292 02:07:21.959739  : 0000000000000002 RCX: 0000000000000000

 3293 02:07:21.968159  # [   44.797482] RDX: <4>[   45.426493] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3294 02:07:21.973640  0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffffffff8317e860

 3295 02:07:21.994813  # <4>[   45.438682] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 56 e9 02 48 c7 c7 b8 92 5f 83 8d 70 01 89 35 21 56 e9 02 e8 47 c1 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3296 02:07:22.006841  [   44.805755] RBP: ffffffff835f8d57 R08: 0000000000000000 R09: <4>[   45.466170] RSP: 0018:ffffa6d6c137fe60 EFLAGS: 00010286

 3297 02:07:22.009213  0000000000000000

 3298 02:07:22.021990  # [   44.814041] R10: 00000000ffffe000 R11: 3f<4>[   45.478457] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3299 02:07:22.024833  ffffffffffffff R12: 0000000000000008

 3300 02:07:22.035748  # [   44.822304] R13: ffff<4>[   45.492949] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70

 3301 02:07:22.041403  a6d6c12f7f10 R14: ffffa6d6c12f7f10 R15: ffff9309c5f3c000

 3302 02:07:22.050347  # [   <4>[   45.507385] RBP: ffffffff835f8d5f R08: 0000000000000000 R09: 0000000000000000

 3303 02:07:22.064994  44.836786] FS:  00007fc20c7b6580(0000) GS:ffff930a3bc00000(0000)<4>[   45.521913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3304 02:07:22.067444   knlGS:0000000000000000

 3305 02:07:22.079473  # [   44.846124] CS:  0010 DS: 0000 ES:<4>[   45.536349] R13: ffffa6d6c137ff10 R14: ffffa6d6c137ff10 R15: ffff9309c2ba2000

 3306 02:07:22.082505   0000 CR0: 0000000080050033

 3307 02:07:22.095069  # [   44.852852] CR2: 00007fc20c5c0<4>[   45.550849] FS:  00007fbe7a34d580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 3308 02:07:22.099810  000 CR3: 0000000102644000 CR4: 00000000003506f0

 3309 02:07:22.107538  # [   44.861113<4>[   45.566376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3310 02:07:22.109573  ] Call Trace:

 3311 02:07:22.112714  # [   44.864168]  ? __warn+0x80/0x110

 3312 02:07:22.122652  # [   44.8<4>[   45.579333] CR2: 00007fbe7a157000 CR3: 0000000103e16000 CR4: 00000000003506e0

 3313 02:07:22.125593  68087]  ? lkdtm_WARNING+0x13/0x20

 3314 02:07:22.131707  # [   44.872599]  ? report_bu<4>[   45.593790] Call Trace:

 3315 02:07:22.132908  g+0x9e/0xc0

 3316 02:07:22.137019  # [   44.876808]  ? handle_bug+0x41/0x90

 3317 02:07:22.141917  # [   44.<4>[   45.603054]  ? __warn+0x80/0x110

 3318 02:07:22.145139  881007]  ? exc_invalid_op+0x14/0x70

 3319 02:07:22.153176  # [   44.885599]  ? asm_exc<4>[   45.613102]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3320 02:07:22.155377  _invalid_op+0x12/0x20

 3321 02:07:22.160064  # [   44.890584]  ? lkdtm_BUG+0x10/0x10

 3322 02:07:22.163563  <4>[   45.624607]  ? report_bug+0x9e/0xc0

 3323 02:07:22.167985  # [   44.894698]  ? lkdtm_WARNING+0x13/0x20

 3324 02:07:22.174607  # [   44.899196]  d<4>[   45.635017]  ? handle_bug+0x41/0x90

 3325 02:07:22.176479  irect_entry.cold+0x2c/0x38

 3326 02:07:22.184878  # [   44.903885]  full_proxy_write+0<4>[   45.645405]  ? exc_invalid_op+0x14/0x70

 3327 02:07:22.185636  x56/0x80

 3328 02:07:22.189602  # [   44.908478]  vfs_write+0xea/0x3b0

 3329 02:07:22.195305  # [   44.91249<4>[   45.656185]  ? asm_exc_invalid_op+0x12/0x20

 3330 02:07:22.198863  2]  ksys_write+0x68/0xf0

 3331 02:07:22.207395  # [   44.916518]  do_syscall_64+0x33/0<4>[   45.667430]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3332 02:07:22.208238  x40

 3333 02:07:22.214283  # [   44.920819]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3334 02:07:22.220368  <4>[   45.678821]  direct_entry.cold+0x2c/0x38

 3335 02:07:22.220800  

 3336 02:07:22.223780  # [   44.932937] RIP: 0033:0x7fc20c6cc473

 3337 02:07:22.228899  # [   44.937246] Cod<4>[   45.689782]  full_proxy_write+0x56/0x80

 3338 02:07:22.239909  e: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0<4>[   45.700453]  vfs_write+0xea/0x3b0

 3339 02:07:22.251249  f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05<4>[   45.710706]  ksys_write+0x68/0xf0

 3340 02:07:22.259745   <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 2<4>[   45.720969]  do_syscall_64+0x33/0x40

 3341 02:07:22.260773  4 18

 3342 02:07:22.272490  # [   44.958497] RSP: 002b:00007ffcdbc07fe8 EFLAGS: 000002<4>[   45.731405]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3343 02:07:22.274797  46 ORIG_RAX: 0000000000000001

 3344 02:07:22.282740  # [   44.967264] RAX: fffffffffff<4>[   45.743551] RIP: 0033:0x7fbe7a263473

 3345 02:07:22.287723  fffda RBX: 0000000000000008 RCX: 00007fc20c6cc473

 3346 02:07:22.310374  # [   44.9755<4>[   45.754004] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3347 02:07:22.324922  43] RDX: 0000000000000008 RSI: 00007fc20c5c0000 RDI: 00000000000<4>[   45.781467] RSP: 002b:00007ffd2f0f8878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3348 02:07:22.326061  00001

 3349 02:07:22.339259  # [   44.990013] RBP: 00007fc20c5c0000 R08: 00007fc20c5bf<4>[   45.796392] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fbe7a263473

 3350 02:07:22.342486  010 R09: 0000000000000000

 3351 02:07:22.353909  # [   44.998280] R10: fffffffffffffbc<4>[   45.810942] RDX: 0000000000000010 RSI: 00007fbe7a157000 RDI: 0000000000000001

 3352 02:07:22.358638  5 R11: 0000000000000246 R12: 0000000000000001

 3353 02:07:22.368990  # [   45.006556] <4>[   45.825326] RBP: 00007fbe7a157000 R08: 00007fbe7a156010 R09: 0000000000000000

 3354 02:07:22.382534  R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000<4>[   45.839838] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3355 02:07:22.383289  0

 3356 02:07:22.386795  # [   45.014883] irq event stamp: 0

 3357 02:07:22.398095  # [   45.018627] hardirq<4>[   45.854353] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3358 02:07:22.402190  s last  enabled at (0): [<0000000000000000>] 0x0

 3359 02:07:22.407301  # [   45.03211<4>[   45.868790] irq event stamp: 0

 3360 02:07:22.420606  0] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_proc<4>[   45.878725] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3361 02:07:22.423264  ess+0x664/0x1c60

 3362 02:07:22.436297  # [   45.041563] softirqs last  enabled at (0)<4>[   45.892214] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3363 02:07:22.441367  : [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3364 02:07:22.453017  # [   45.05099<4>[   45.907900] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3365 02:07:22.458682  3] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3366 02:07:22.465345  # [ <4>[   45.923523] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3367 02:07:22.470363    45.058299] ---[ end trace bf7d0a621a4c665f ]---

 3368 02:07:22.476786  # WARNING: sa<4>[   45.936999] ---[ end trace bf7d0a621a4c6660 ]---

 3369 02:07:22.478805  w 'WARNING:': ok

 3370 02:07:22.482516  ok 3 selftests: lkdtm: WARNING.sh

 3371 02:07:22.486274  # selftests: lkdtm: WARNING_MESSAGE.sh

 3372 02:07:22.525103  # [   45.305165] lkdtm: Performing direct entry WARNING_MESSAGE

 3373 02:07:22.530038  # [   45.312385] ------------[ cut here ]------------

 3374 02:07:22.535865  # [   45.324061] Warning message trigger count: 2

 3375 02:07:22.545777  # [   45.335420] WARNING: CPU: 3 PID: 708 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3376 02:07:22.586190  # [   45.352042] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3377 02:07:22.594849  # [   45.398328] CPU: 3 PID: 708 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3378 02:07:22.600966  # [   45.413544] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3379 02:07:22.607193  # [   45.426493] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3380 02:07:22.628030  # [   45.438682] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 56 e9 02 48 c7 c7 b8 92 5f 83 8d 70 01 89 35 21 56 e9 02 e8 47 c1 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3381 02:07:22.633844  # [   45.466170] RSP: 0018:ffffa6d6c137fe60 EFLAGS: 00010286

 3382 02:07:22.641333  # [   45.478457] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3383 02:07:22.649704  # [   45.492949] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70

 3384 02:07:22.659027  # [   45.507385] RBP: ffffffff835f8d5f R08: 0000000000000000 R09: 0000000000000000

 3385 02:07:22.666400  # [   45.521913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3386 02:07:22.674207  # [   45.536349] R13: ffffa6d6c137ff10 R14: ffffa6d6c137ff10 R15: ffff9309c2ba2000

 3387 02:07:22.683981  # [   45.550849] FS:  00007fbe7a34d580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 3388 02:07:22.690426  # [   45.566376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3389 02:07:22.698151  # [   45.579333] CR2: 00007fbe7a157000 CR3: 0000000103e16000 CR4: 00000000003506e0

 3390 02:07:22.701890  # [   45.593790] Call Trace:

 3391 02:07:22.704572  # [   45.603054]  ? __warn+0x80/0x110

 3392 02:07:22.709790  # [   45.613102]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3393 02:07:22.714514  # [   45.624607]  ? report_bug+0x9e/0xc0

 3394 02:07:22.718285  # [   45.635017]  ? handle_bug+0x41/0x90

 3395 02:07:22.722875  # [   45.645405]  ? exc_invalid_op+0x14/0x70

 3396 02:07:22.728543  # [   45.656185]  ? asm_exc_invalid_op+0x12/0x20

 3397 02:07:22.732832  # [   45.667430]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3398 02:07:22.738012  # [   45.678821]  direct_entry.cold+0x2c/0x38

 3399 02:07:22.742057  # [   45.689782]  full_proxy_write+0x56/0x80

 3400 02:07:22.746050  # [   45.700453]  vfs_write+0xea/0x3b0

 3401 02:07:22.749672  # [   45.710706]  ksys_write+0x68/0xf0

 3402 02:07:22.755925  # [   4<6>[   46.217122] lkdtm: Performing direct entry EXCEPTION

 3403 02:07:22.759870  5.720969]  do_syscall_64+0x33/0x40

 3404 02:07:22.770112  # [   45.731405]  entry_SYSC<1>[   46.227569] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3405 02:07:22.776328  <1>[   46.241745] #PF: supervisor write access in kernel mode

 3406 02:07:22.783124  <1>[   46.247856] #PF: error_code(0x0002) - not-present page

 3407 02:07:22.786156  <6>[   46.253870] PGD 0 P4D 0 

 3408 02:07:22.789608  <4>[   46.256993] Oops: 0002 [#2] SMP PTI

 3409 02:07:22.798597  <4>[   46.261175] CPU: 3 PID: 740 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3410 02:07:22.806285  <4>[   46.269991] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3411 02:07:22.810601  <4>[   46.276889] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3412 02:07:22.832240  <4>[   46.282135] Code: 48 c7 c7 b8 92 5f 83 8d 70 01 89 35 21 56 e9 02 e8 47 c1 64 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <c7> 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84

 3413 02:07:22.838259  <4>[   46.303379] RSP: 0018:ffffa6d6c13f7e60 EFLAGS: 00010286

 3414 02:07:22.846274  <4>[   46.309508] RAX: ffffffff821795a0 RBX: 0000000000000004 RCX: 0000000000000000

 3415 02:07:22.854439  <4>[   46.317757] RDX: 0000000000000000 RSI: ffff930a3bd9bf70 RDI: ffffffff8317e880

 3416 02:07:22.864870  <4>[   46.326012] RBP: ffffffff834ed2a7 R08: 0000000000000000 R09: 0000000000000000

 3417 02:07:22.871048  <4>[   46.334268] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3418 02:07:22.879596  <4>[   46.342519] R13: ffffa6d6c13f7f10 R14: ffffa6d6c13f7f10 R15: ffff9309c446d000

 3419 02:07:22.889449  <4>[   46.350769] FS:  00007f5350209580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 3420 02:07:22.895472  <4>[   46.360081] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3421 02:07:22.903702  <4>[   46.366784] CR2: 0000000000000000 CR3: 000000010682e000 CR4: 00000000003506e0

 3422 02:07:22.906643  <4>[   46.375036] Call Trace:

 3423 02:07:22.911312  <4>[   46.378065]  ? __die_body.cold+0x1a/0x1f

 3424 02:07:22.915856  <4>[   46.382735]  ? no_context+0x177/0x380

 3425 02:07:22.921253  <4>[   46.387120]  ? exc_page_fault+0x53/0x170

 3426 02:07:22.925599  <4>[   46.391790]  ? asm_exc_page_fault+0x1e/0x30

 3427 02:07:22.930894  <4>[   46.396748]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3428 02:07:22.935106  <4>[   46.402002]  ? lkdtm_EXCEPTION+0x5/0x20

 3429 02:07:22.939824  <4>[   46.406575]  direct_entry.cold+0x2c/0x38

 3430 02:07:22.945407  <4>[   46.411248]  full_proxy_write+0x56/0x80

 3431 02:07:22.948221  <4>[   46.415824]  vfs_write+0xea/0x3b0

 3432 02:07:22.952238  <4>[   46.419816]  ksys_write+0x68/0xf0

 3433 02:07:22.956777  <4>[   46.423813]  do_syscall_64+0x33/0x40

 3434 02:07:22.962879  <4>[   46.428093]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3435 02:07:22.966876  <4>[   46.434021] RIP: 0033:0x7f535011f473

 3436 02:07:22.988075  <4>[   46.438298] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3437 02:07:22.996832  <4>[   46.459546] RSP: 002b:00007ffc10c505d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3438 02:07:23.004955  <4>[   46.468287] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f535011f473

 3439 02:07:23.013292  <4>[   46.476541] RDX: 000000000000000a RSI: 00007f5350013000 RDI: 0000000000000001

 3440 02:07:23.021901  <4>[   46.484791] RBP: 00007f5350013000 R08: 00007f5350012010 R09: 0000000000000000

 3441 02:07:23.029772  <4>[   46.493046] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3442 02:07:23.038040  <4>[   46.501308] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3443 02:07:23.078499  <4>[   46.509580] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3444 02:07:23.082332  <4>[   46.549616] CR2: 0000000000000000

 3445 02:07:23.087674  <4>[   46.553607] ---[ end trace bf7d0a621a4c6661 ]---

 3446 02:07:23.092403  <4>[   46.559052] RIP: 0010:lkdtm_BUG+0x5/0x10

 3447 02:07:23.114393  <4>[   46.563718] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 3448 02:07:23.119933  <4>[   46.584974] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 3449 02:07:23.127759  <4>[   46.591091] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 3450 02:07:23.136754  <4>[   46.599333] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 3451 02:07:23.144284  <4>[   46.607584] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 3452 02:07:23.152362  <4>[   46.615836] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3453 02:07:23.160862  <4>[   46.624088] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 3454 02:07:23.170318  <4>[   46.632347] FS:  00007f5350209580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 3455 02:07:23.177064  <4>[   46.641672] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3456 02:07:23.185759  <4>[   46.648372] CR2: 0000000000000000 CR3: 000000010682e000 CR4: 00000000003506e0

 3457 02:07:23.195285  <3>[   46.656635] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3458 02:07:23.204230  <3>[   46.666821] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 740, name: cat

 3459 02:07:23.208770  <4>[   46.675458] INFO: lockdep is turned off.

 3460 02:07:23.212394  <4>[   46.680119] irq event stamp: 0

 3461 02:07:23.219401  <4>[   46.683817] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3462 02:07:23.228959  <4>[   46.691102] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3463 02:07:23.238448  <4>[   46.700506] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3464 02:07:23.245583  <4>[   46.709927] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3465 02:07:23.254689  <4>[   46.717207] CPU: 3 PID: 740 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3466 02:07:23.261862  <4>[   46.726027] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3467 02:07:23.264339  <4>[   46.732926] Call Trace:

 3468 02:07:23.268459  <4>[   46.735958]  dump_stack+0x77/0x9b

 3469 02:07:23.273481  <4>[   46.739956]  ___might_sleep.cold+0xa6/0xb6

 3470 02:07:23.278302  <4>[   46.744826]  exit_signals+0x1c/0x300

 3471 02:07:23.280884  <4>[   46.749109]  do_exit+0xc2/0xab0

 3472 02:07:23.285814  <4>[   46.752912]  ? ksys_write+0x68/0xf0

 3473 02:07:23.291270  <4>[   46.757097]  make_task_dead+0x2f/0x30

 3474 02:07:23.296049  <4>[   46.761474]  rewind_stack_and_make_dead+0x17/0x20

 3475 02:07:23.299694  <4>[   46.767023] RIP: 0033:0x7f535011f473

 3476 02:07:23.321578  <4>[   46.771293] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3477 02:07:23.330284  <4>[   46.792528] RSP: 002b:00007ffc10c505d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3478 02:07:23.338263  <4>[   46.801262] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f535011f473

 3479 02:07:23.346879  <4>[   46.809512] RDX: 000000000000000a RSI: 00007f5350013000 RDI: 0000000000000001

 3480 02:07:23.354760  <4>[   46.817761] RBP: 00007f5350013000 R08: 00007f5350012010 R09: 0000000000000000

 3481 02:07:23.362960  <4>[   46.826009] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3482 02:07:23.371889  <4>[   46.834263] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3483 02:07:23.374132  ALL_64_after_hwframe+0x61/0xc6

 3484 02:07:23.378178  # [   45.743551] RIP: 0033:0x7fbe7a263473

 3485 02:07:23.400816  # [   45.754004] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3486 02:07:23.407929  # [   45.781467] RSP: 002b:00007ffd2f0f8878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3487 02:07:23.416335  # [   45.796392] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fbe7a263473

 3488 02:07:23.424345  # [   45.810942] RDX: 0000000000000010 RSI: 00007fbe7a157000 RDI: 0000000000000001

 3489 02:07:23.432261  # [   45.825326] RBP: 00007fbe7a157000 R08: 00007fbe7a156010 R09: 0000000000000000

 3490 02:07:23.440711  # [   45.839838] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3491 02:07:23.448820  # [   45.854353] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3492 02:07:23.452240  # [   45.868790] irq event stamp: 0

 3493 02:07:23.460193  # [   45.878725] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3494 02:07:23.469180  # [   45.892214] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3495 02:07:23.478317  # [   45.907900] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3496 02:07:23.485589  # [   45.923523] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3497 02:07:23.491042  # [   45.936999] ---[ end trace bf7d0a621a4c6660 ]---

 3498 02:07:23.495255  # WARNING_MESSAGE: saw 'message trigger': ok

 3499 02:07:23.500575  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh

 3500 02:07:23.502936  # selftests: lkdtm: EXCEPTION.sh

 3501 02:07:23.504630  # Killed

 3502 02:07:23.510266  # [   46.217122] lkdtm: Performing direct entry EXCEPTION

 3503 02:07:23.517353  # [   46.227569] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3504 02:07:23.523424  # [   46.241745] #PF: supervisor write access in kernel mode

 3505 02:07:23.529108  # [   46.247856] #PF: error_code(0x0002) - not-present page

 3506 02:07:23.532493  # [   46.253870] PGD 0 P4D 0 

 3507 02:07:23.536446  # [   46.256993] Oops: 0002 [#2] SMP PTI

 3508 02:07:23.546253  # [   46.261175] CPU: 3 PID: 740 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3509 02:07:23.552992  # [   46.269991] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3510 02:07:23.557519  # [   46.276889] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3511 02:07:23.578332  # [   46.282135] Code: 48 c7 c7 b8 92 5f 83 8d 70 01 89 35 21 56 e9 02 e8 47 c1 64 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <c7> 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84

 3512 02:07:23.584363  # [   46.303379] RSP: 0018:ffffa6d6c13f7e60 EFLAGS: 00010286

 3513 02:07:23.593647  # [   46.309508] RAX: ffffffff821795a0 RBX: 0000000000000004 RCX: 0000000000000000

 3514 02:07:23.600418  # [   46.317757] RDX: 0000000000000000 RSI: ffff930a3bd9bf70 RDI: ffffffff8317e880

 3515 02:07:23.609067  # [   46.326012] RBP: ffffffff834ed2a7 R08: 0000000000000000 R09: 0000000000000000

 3516 02:07:23.616556  # [   46.334268] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3517 02:07:23.625248  # [   46.342519] R13: ffffa6d6c13f7f10 R14: ffffa6d6c13f7f10 R15: ffff9309c446d000

 3518 02:07:23.634275  # [   46.350769] FS:  00007f5350209580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 3519 02:07:23.641008  # [   46.360081] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3520 02:07:23.648839  # [   46.366784] CR2: 0000000000000000 CR3: 000000010682e000 CR4: 00000000003506e0

 3521 02:07:23.651691  # [   46.375036] Call Trace:

 3522 02:07:23.656220  # [   46.378065]  ? __die_body.cold+0x1a/0x1f

 3523 02:07:23.660982  # [   46.382735]  ? no_context+0x177/0x380

 3524 02:07:23.664960  # [   46.387120]  ? exc_page_fault+0x53/0x170

 3525 02:07:23.670218  # [   46.391790]  ? asm_exc_page_fault+0x1e/0x30

 3526 02:07:23.674791  # [   46.396748]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3527 02:07:23.679192  # [   46.402002]  ? lkdtm_EXCEPTION+0x5/0x20

 3528 02:07:23.684067  # [   46.406575]  direct_entry.cold+0x2c/0x38

 3529 02:07:23.688687  # [   46.411248]  full_proxy_write+0x56/0x80

 3530 02:07:23.692548  # [   46.415824]  vfs_write+0xea/0x3b0

 3531 02:07:23.696652  # [   46.419816]  ksys_write+0x68/0xf0

 3532 02:07:23.700322  # [   46.423813]  do_syscall_64+0x33/0x40

 3533 02:07:23.706284  # [   46.428093]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3534 02:07:23.710534  # [   46.434021] RIP: 0033:0x7f535011f473

 3535 02:07:23.732397  # [   46.438298] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3536 02:07:23.739874  # [   46.459546] RSP: 002b:00007ffc10c505d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3537 02:07:23.748458  # [   46.468287] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f535011f473

 3538 02:07:23.757071  # [   46.476541] RDX: 000000000000000a RSI: 00007f5350013000 RDI: 0000000000000001

 3539 02:07:23.764667  # [   46.484791] RBP: 00007f5350013000 R08: 00007f5350012010 R09: 0000000000000000

 3540 02:07:23.773088  # [   46.493046] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3541 02:07:23.781485  # [   46.501308] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3542 02:07:23.821566  # [   46.509580] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3543 02:07:23.825160  # [   46.549616] CR2: 0000000000000000

 3544 02:07:23.831454  # [   46.553607] ---[ end trace bf7d0a621a4c6661 ]---

 3545 02:07:23.834773  # [   46.559052] RIP: 0010:lkdtm_BUG+0x5/0x10

 3546 02:07:23.855998  # [   46.563718] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 3547 02:07:23.861771  # [   46.584974] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 3548 02:07:23.870941  # [   46.591091] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 3549 02:07:23.878007  # [   46.599333] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 3550 02:07:23.886288  # [   46.607584] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 3551 02:07:23.894255  # [   46.615836] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3552 02:07:23.903430  # [   46.624088] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 3553 02:07:23.911316  # [   46.632347] FS:  00007f5350209580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 3554 02:07:23.918324  # [   46.641672] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3555 02:07:23.926383  # [   46.648372] CR2: 0000000000000000 CR3: 000000010682e000 CR4: 00000000003506e0

 3556 02:07:23.936504  # [   46.656635] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3557 02:07:23.945855  # [   46.666821] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 740, name: cat

 3558 02:07:23.949538  # [   46.675458] INFO: lockdep is turned off.

 3559 02:07:23.953203  # [   46.680119] irq event stamp: 0

 3560 02:07:23.961589  # [   46.683817] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3561 02:07:23.970658  # [   46.691102] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3562 02:07:23.978946  # [   46.700506] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3563 02:07:23.985784  # [   46.709927] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3564 02:07:23.996305  # [   46.717207] CPU: 3 PID: 740 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3565 02:07:24.001578  # [   46.726027] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3566 02:07:24.004650  # [   46.732926] Call Trace:

 3567 02:07:24.008165  # [   46.735958]  dump_stack+0x77/0x9b

 3568 02:07:24.013601  # [   46.739956]  ___might_sleep.cold+0xa6/0xb6

 3569 02:07:24.017705  # [   46.744826]  exit_signals+0x1c/0x300

 3570 02:07:24.021090  # [   46.749109]  do_exit+0xc2/0xab0

 3571 02:07:24.025741  # [   46.752912]  ? ksys_write+0x68/0xf0

 3572 02:07:24.029223  # [   46.757097]  make_task_dead+0x2f/0x30

 3573 02:07:24.035067  # [   46.761474]  rewind_stack_and_make_dead+0x17/0x20

 3574 02:07:24.039074  # [   46.767023] RIP: 0033:0x7f535011f473

 3575 02:07:24.059643  # [   46.771293] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3576 02:07:24.068534  # [   46.792528] RSP: 002b:00007ffc10c505d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3577 02:07:24.077064  # [   46.801262] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f535011f473

 3578 02:07:24.085149  # [   46.809512] RDX: 000000000000000a RSI: 00007f5350013000 RDI: 0000000000000001

 3579 02:07:24.093002  # [   46.817761] RBP: 00007f5350013000 R08: 00007f5350012010 R09: 0000000000000000

 3580 02:07:24.101441  # [   46.826009] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3581 02:07:24.109348  # [   46.834263] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3582 02:07:24.113304  # EXCEPTION: saw 'call trace:': ok

 3583 02:07:24.116298  ok 5 selftests: lkdtm: EXCEPTION.sh

 3584 02:07:24.119830  # selftests: lkdtm: LOOP.sh

 3585 02:07:24.122991  # Skipping LOOP: Hangs the system

 3586 02:07:24.126772  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 3587 02:07:24.130565  # selftests: lkdtm: EXHAUST_STACK.sh

 3588 02:07:24.135456  # Skipping EXHAUST_STACK: Corrupts memory on failure

 3589 02:07:24.139706  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 3590 02:07:24.143772  # selftests: lkdtm: CORRUPT_STACK.sh

 3591 02:07:24.149562  # Skipping CORRUPT_STACK: Crashes entire system on success

 3592 02:07:24.154179  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP

 3593 02:07:24.159057  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 3594 02:07:24.164914  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 3595 02:07:24.170581  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 3596 02:07:24.174200  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 3597 02:07:24.241350  <6>[   47.706272] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3598 02:07:24.246700  <6>[   47.712844] lkdtm: attempting good list addition

 3599 02:07:24.252709  <6>[   47.718321] lkdtm: attempting corrupted list addition

 3600 02:07:24.258784  <3>[   47.724289] lkdtm: list_add() corruption not detected!

 3601 02:07:24.308633  # [   47.706272] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3602 02:07:24.314217  # [   47.712844] lkdtm: attempting good list addition

 3603 02:07:24.320221  # [   47.718321] lkdtm: attempting corrupted list addition

 3604 02:07:24.325815  # [   47.724289] lkdtm: list_add() corruption not detected!

 3605 02:07:24.331393  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]

 3606 02:07:24.344710  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 3607 02:07:24.357631  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 3608 02:07:24.516133  <6>[   47.981142] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3609 02:07:24.522538  <6>[   47.987711] lkdtm: attempting good list removal

 3610 02:07:24.527745  <6>[   47.993081] lkdtm: attempting corrupted list removal

 3611 02:07:24.533557  <3>[   47.998971] lkdtm: list_del() corruption not detected!

 3612 02:07:24.592295  # [   47.981142] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3613 02:07:24.596473  # [   47.987711] lkdtm: attempting good list removal

 3614 02:07:24.601736  # [   47.993081] lkdtm: attempting corrupted list removal

 3615 02:07:24.607360  # [   47.998971] lkdtm: list_del() corruption not detected!

 3616 02:07:24.612788  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]

 3617 02:07:24.624370  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 3618 02:07:24.637391  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3619 02:07:24.794520  <6>[   48.259026] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3620 02:07:24.802537  <6>[   48.266362] lkdtm: attempting bad read from page below current stack

 3621 02:07:24.814115  <0>[   48.273814] BUG: stack guard page was hit at 00000000dc094618 (stack is 00000000bea46c87..000000008bdb3eca)

 3622 02:07:24.821337  <4>[   48.284993] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3623 02:07:24.829971  <4>[   48.292094] CPU: 0 PID: 965 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3624 02:07:24.836413  <4>[   48.300938] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3625 02:07:24.843524  <4>[   48.307848] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3626 02:07:24.864758  <4>[   48.314649] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 58 96 5f 83 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b5 de fb ff 48 c7 c7 98 96 5f 83 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 9b de fb ff 0f 1f 44

 3627 02:07:24.871214  <4>[   48.335879] RSP: 0018:ffffa6d6c171fe50 EFLAGS: 00010246

 3628 02:07:24.878983  <4>[   48.341999] RAX: 0000000000000038 RBX: ffffa6d6c171c000 RCX: 0000000000000000

 3629 02:07:24.887389  <4>[   48.350243] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffffffff835f9698

 3630 02:07:24.895583  <4>[   48.358488] RBP: ffffffff835f8dc2 R08: 0000000000000000 R09: 0000000000000000

 3631 02:07:24.903314  <4>[   48.366746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3632 02:07:24.912482  <4>[   48.375004] R13: ffffa6d6c171ff10 R14: ffffa6d6c171ff10 R15: ffff9309c4a12000

 3633 02:07:24.921661  <4>[   48.383263] FS:  00007f8ffe74c580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 3634 02:07:24.927722  <4>[   48.392583] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3635 02:07:24.935682  <4>[   48.399287] CR2: ffffa6d6c171bfff CR3: 0000000104214000 CR4: 00000000003506f0

 3636 02:07:24.939362  <4>[   48.407548] Call Trace:

 3637 02:07:24.941841  <4>[   48.410572]  <#DF>

 3638 02:07:24.946187  <4>[   48.413113]  ? __die_body.cold+0x1a/0x1f

 3639 02:07:24.950389  <4>[   48.417780]  ? die+0x2b/0x50

 3640 02:07:24.955084  <4>[   48.421283]  ? handle_stack_overflow+0x3e/0x4d

 3641 02:07:24.959623  <4>[   48.426531]  ? no_context+0x24d/0x380

 3642 02:07:24.961917  <4>[   48.430900]  </#DF>

 3643 02:07:25.001962  <4>[   48.433529] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3644 02:07:25.007699  <4>[   48.473555] ---[ end trace bf7d0a621a4c6662 ]---

 3645 02:07:25.012119  <4>[   48.479008] RIP: 0010:lkdtm_BUG+0x5/0x10

 3646 02:07:25.033383  <4>[   48.483673] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 3647 02:07:25.039736  <4>[   48.504890] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 3648 02:07:25.048233  <4>[   48.511018] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 3649 02:07:25.056123  <4>[   48.519276] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 3650 02:07:25.064473  <4>[   48.527533] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 3651 02:07:25.074290  <4>[   48.535788] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3652 02:07:25.081283  <4>[   48.544046] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 3653 02:07:25.089868  <4>[   48.552299] FS:  00007f8ffe74c580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 3654 02:07:25.096866  <4>[   48.561618] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3655 02:07:25.105796  <4>[   48.568312] CR2: ffffa6d6c171bfff CR3: 0000000104214000 CR4: 00000000003506f0

 3656 02:07:25.115310  <3>[   48.576559] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3657 02:07:25.123721  <3>[   48.586758] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 965, name: cat

 3658 02:07:25.129245  <4>[   48.595400] INFO: lockdep is turned off.

 3659 02:07:25.132670  <4>[   48.600061] irq event stamp: 0

 3660 02:07:25.139928  <4>[   48.603758] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3661 02:07:25.150117  <4>[   48.611035] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3662 02:07:25.158878  <4>[   48.620442] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3663 02:07:25.166200  <4>[   48.629859] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3664 02:07:25.174490  <4>[   48.637141] CPU: 0 PID: 965 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3665 02:07:25.181428  <4>[   48.645975] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3666 02:07:25.184770  <4>[   48.652860] Call Trace:

 3667 02:07:25.188457  <4>[   48.655880]  dump_stack+0x77/0x9b

 3668 02:07:25.193179  <4>[   48.659873]  ___might_sleep.cold+0xa6/0xb6

 3669 02:07:25.197411  <4>[   48.664740]  exit_signals+0x1c/0x300

 3670 02:07:25.201087  <4>[   48.669024]  do_exit+0xc2/0xab0

 3671 02:07:25.205648  <4>[   48.672828]  ? ksys_write+0x68/0xf0

 3672 02:07:25.209949  <4>[   48.677020]  make_task_dead+0x2f/0x30

 3673 02:07:25.215777  <4>[   48.681405]  rewind_stack_and_make_dead+0x17/0x20

 3674 02:07:25.219775  <4>[   48.686938] RIP: 0033:0x7f8ffe662473

 3675 02:07:25.240925  <4>[   48.691218] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3676 02:07:25.250201  <4>[   48.712443] RSP: 002b:00007ffd38642ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3677 02:07:25.258578  <4>[   48.721166] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f8ffe662473

 3678 02:07:25.266284  <4>[   48.729413] RDX: 0000000000000019 RSI: 00007f8ffe556000 RDI: 0000000000000001

 3679 02:07:25.274677  <4>[   48.737660] RBP: 00007f8ffe556000 R08: 00007f8ffe555010 R09: 0000000000000000

 3680 02:07:25.283711  <4>[   48.745917] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3681 02:07:25.290941  <4>[   48.754162] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3682 02:07:25.293792  # Segmentation fault

 3683 02:07:25.341999  # [   48.259026] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3684 02:07:25.348781  # [   48.266362] lkdtm: attempting bad read from page below current stack

 3685 02:07:25.359939  # [   48.273814] BUG: stack guard page was hit at 00000000dc094618 (stack is 00000000bea46c87..000000008bdb3eca)

 3686 02:07:25.367282  # [   48.284993] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3687 02:07:25.376192  # [   48.292094] CPU: 0 PID: 965 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3688 02:07:25.382854  # [   48.300938] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3689 02:07:25.389030  # [   48.307848] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3690 02:07:25.410480  # [   48.314649] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 58 96 5f 83 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b5 de fb ff 48 c7 c7 98 96 5f 83 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 9b de fb ff 0f 1f 44

 3691 02:07:25.416600  # [   48.335879] RSP: 0018:ffffa6d6c171fe50 EFLAGS: 00010246

 3692 02:07:25.424457  # [   48.341999] RAX: 0000000000000038 RBX: ffffa6d6c171c000 RCX: 0000000000000000

 3693 02:07:25.433136  # [   48.350243] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffffffff835f9698

 3694 02:07:25.440726  # [   48.358488] RBP: ffffffff835f8dc2 R08: 0000000000000000 R09: 0000000000000000

 3695 02:07:25.448827  # [   48.366746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3696 02:07:25.457176  # [   48.375004] R13: ffffa6d6c171ff10 R14: ffffa6d6c171ff10 R15: ffff9309c4a12000

 3697 02:07:25.466312  # [   48.383263] FS:  00007f8ffe74c580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 3698 02:07:25.472987  # [   48.392583] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3699 02:07:25.480980  # [   48.399287] CR2: ffffa6d6c171bfff CR3: 0000000104214000 CR4: 00000000003506f0

 3700 02:07:25.484116  # [   48.407548] Call Trace:

 3701 02:07:25.486633  # [   48.410572]  <#DF>

 3702 02:07:25.491068  # [   48.413113]  ? __die_body.cold+0x1a/0x1f

 3703 02:07:25.494336  # [   48.417780]  ? die+0x2b/0x50

 3704 02:07:25.499452  # [   48.421283]  ? handle_stack_overflow+0x3e/0x4d

 3705 02:07:25.503798  # [   48.426531]  ? no_context+0x24d/0x380

 3706 02:07:25.506423  # [   48.430900]  </#DF>

 3707 02:07:25.546454  # [   48.433529] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3708 02:07:25.551281  # [   48.473555] ---[ end trace bf7d0a621a4c6662 ]---

 3709 02:07:25.557353  # [   48.479008] RIP: 0010:lkdtm_BUG+0x5/0x10

 3710 02:07:25.576790  # [   48.483673] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 3711 02:07:25.583740  # [   48.504890] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 3712 02:07:25.591897  # [   48.511018] <6>[   49.055615] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3713 02:07:25.599619  <6>[   49.063464] lkdtm: attempting bad read from page above current stack

 3714 02:07:25.610673  <0>[   49.070878] BUG: stack guard page was hit at 0000000070c4a2d4 (stack is 00000000c3a035e0..00000000bf683807)

 3715 02:07:25.617622  <4>[   49.082039] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3716 02:07:25.626304  <4>[   49.089130] CPU: 0 PID: 998 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3717 02:07:25.640473  RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 000000000000000<4>[   49.097957] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3718 02:07:25.640588  0

 3719 02:07:25.652264  <# [   48.519276] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 4>[   49.111038] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3720 02:07:25.673966  <4>[   49.124132] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 d0 96 5f 83 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 7b de fb ff 48 c7 c7 10 97 5f 83 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 5e de fb ff

 3721 02:07:25.680531  <4>[   49.145355] RSP: 0018:ffffa6d6c179fe50 EFLAGS: 00010246

 3722 02:07:25.688316  <4>[   49.151473] RAX: 0000000000000038 RBX: ffffa6d6c179c000 RCX: 0000000000000000

 3723 02:07:25.696382  <4>[   49.159718] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffffffff835f9710

 3724 02:07:25.704448  <4>[   49.167967] RBP: ffffffff835f8ddb R08: 0000000000000000 R09: 0000000000000000

 3725 02:07:25.712907  <4>[   49.176209] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3726 02:07:25.721977  <4>[   49.184453] R13: ffffa6d6c179ff10 R14: ffffa6d6c179ff10 R15: ffff9309c33f1000

 3727 02:07:25.730705  <4>[   49.192696] FS:  00007f8cd0434580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 3728 02:07:25.737467  <4>[   49.202003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3729 02:07:25.746309  <4>[   49.208721] CR2: ffffa6d6c17a0000 CR3: 0000000102b5c000 CR4: 00000000003506f0

 3730 02:07:25.749272  <4>[   49.216968] Call Trace:

 3731 02:07:25.750886  <4>[   49.219988]  <#DF>

 3732 02:07:25.755765  <4>[   49.222520]  ? __die_body.cold+0x1a/0x1f

 3733 02:07:25.759986  <4>[   49.227192]  ? die+0x2b/0x50

 3734 02:07:25.765228  <4>[   49.230699]  ? handle_stack_overflow+0x3e/0x4d

 3735 02:07:25.769239  <4>[   49.235949]  ? no_context+0x24d/0x380

 3736 02:07:25.771340  <4>[   49.240329]  </#DF>

 3737 02:07:25.811524  <4>[   49.242957] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3738 02:07:25.814198  RDI: ffffffff8317e850

 3739 02:07:25.823329  # [   48.527533] RBP: ffffffff8365d410 R0<4>[   49.282981] ---[ end trace bf7d0a621a4c6663 ]---

 3740 02:07:25.827933  <4>[   49.294605] RIP: 0010:lkdtm_BUG+0x5/0x10

 3741 02:07:25.849029  <4>[   49.299267] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 3742 02:07:25.854715  <4>[   49.320477] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 3743 02:07:25.863528  <4>[   49.326592] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 3744 02:07:25.871686  <4>[   49.334836] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 3745 02:07:25.880183  <4>[   49.343078] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 3746 02:07:25.888075  <4>[   49.351324] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3747 02:07:25.896621  <4>[   49.359569] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 3748 02:07:25.905567  <4>[   49.367814] FS:  00007f8cd0434580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 3749 02:07:25.912256  <4>[   49.377136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3750 02:07:25.922123  <4>[   49.383844] CR2: ffffa6d6c17a0000 CR3: 0000000102b5c000 CR4: 00000000003506f0

 3751 02:07:25.931094  <3>[   49.392106] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3752 02:07:25.939656  <3>[   49.402305] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 998, name: cat

 3753 02:07:25.944592  <4>[   49.410940] INFO: lockdep is turned off.

 3754 02:07:25.948326  <4>[   49.415600] irq event stamp: 0

 3755 02:07:25.955581  <4>[   49.419297] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3756 02:07:25.964332  <4>[   49.426585] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3757 02:07:25.974251  <4>[   49.436007] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3758 02:07:25.980922  <4>[   49.445424] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3759 02:07:25.990022  <4>[   49.452713] CPU: 0 PID: 998 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3760 02:07:25.997060  <4>[   49.461547] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3761 02:07:26.000177  <4>[   49.468438] Call Trace:

 3762 02:07:26.004150  <4>[   49.471461]  dump_stack+0x77/0x9b

 3763 02:07:26.010099  <4>[   49.475452]  ___might_sleep.cold+0xa6/0xb6

 3764 02:07:26.013318  <4>[   49.480318]  exit_signals+0x1c/0x300

 3765 02:07:26.016606  <4>[   49.484600]  do_exit+0xc2/0xab0

 3766 02:07:26.020899  <4>[   49.488397]  ? ksys_write+0x68/0xf0

 3767 02:07:26.025677  <4>[   49.492583]  make_task_dead+0x2f/0x30

 3768 02:07:26.031151  <4>[   49.496962]  rewind_stack_and_make_dead+0x17/0x20

 3769 02:07:26.036043  <4>[   49.502499] RIP: 0033:0x7f8cd034a473

 3770 02:07:26.057044  <4>[   49.506778] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3771 02:07:26.065455  <4>[   49.528031] RSP: 002b:00007ffdfc697be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3772 02:07:26.073429  <4>[   49.536777] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f8cd034a473

 3773 02:07:26.081791  <4>[   49.545036] RDX: 000000000000001a RSI: 00007f8cd023e000 RDI: 0000000000000001

 3774 02:07:26.090010  <4>[   49.553294] RBP: 00007f8cd023e000 R08: 00007f8cd023d010 R09: 0000000000000000

 3775 02:07:26.098375  <4>[   49.561549] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3776 02:07:26.107216  <4>[   49.569792] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3777 02:07:26.110698  8: 0000000000000001 R09: 0000000000000001

 3778 02:07:26.119652  # [   48.535788] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3779 02:07:26.127285  # [   48.544046] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 3780 02:07:26.136866  # [   48.552299] FS:  00007f8ffe74c580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 3781 02:07:26.142906  # [   48.561618] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3782 02:07:26.151151  # [   48.568312] CR2: ffffa6d6c171bfff CR3: 0000000104214000 CR4: 00000000003506f0

 3783 02:07:26.161427  # [   48.576559] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3784 02:07:26.170375  # [   48.586758] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 965, name: cat

 3785 02:07:26.174280  # [   48.595400] INFO: lockdep is turned off.

 3786 02:07:26.178410  # [   48.600061] irq event stamp: 0

 3787 02:07:26.185070  # [   48.603758] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3788 02:07:26.194259  # [   48.611035] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3789 02:07:26.204044  # [   48.620442] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3790 02:07:26.210896  # [   48.629859] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3791 02:07:26.220040  # [   48.637141] CPU: 0 PID: 965 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3792 02:07:26.225979  # [   48.645975] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3793 02:07:26.228980  # [   48.652860] Call Trace:

 3794 02:07:26.233241  # [   48.655880]  dump_stack+0x77/0x9b

 3795 02:07:26.238447  # [   48.659873]  ___might_sleep.cold+0xa6/0xb6

 3796 02:07:26.242347  # [   48.664740]  exit_signals+0x1c/0x300

 3797 02:07:26.247115  # [   48.669024]  do_exit+0xc2/0xab0

 3798 02:07:26.249547  # [   48.672828]  ? ksys_write+0x68/0xf0

 3799 02:07:26.254652  # [   48.677020]  make_task_dead+0x2f/0x30

 3800 02:07:26.259542  # [   48.681405]  rewind_stack_and_make_dead+0x17/0x20

 3801 02:07:26.263692  # [   48.686938] RIP: 0033:0x7f8ffe662473

 3802 02:07:26.284592  # [   48.691218] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3803 02:07:26.294018  # [   48.712443] RSP: 002b:00007ffd38642ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3804 02:07:26.301293  # [   48.721166] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f8ffe662473

 3805 02:07:26.310217  # [   48.729413] RDX: 0000000000000019 RSI: 00007f8ffe556000 RDI: 0000000000000001

 3806 02:07:26.317769  # [   48.737660] RBP: 00007f8ffe556000 R08: 00007f8ffe555010 R09: 0000000000000000

 3807 02:07:26.326428  # [   48.745917] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3808 02:07:26.333477  # [   48.754162] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3809 02:07:26.339517  # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok

 3810 02:07:26.343995  ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3811 02:07:26.348968  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3812 02:07:26.351216  # Segmentation fault

 3813 02:07:26.358298  # [   49.055615] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3814 02:07:26.365816  # [   49.063464] lkdtm: attempting bad read from page above current stack

 3815 02:07:26.376803  # [   49.070878] BUG: stack guard page was hit at 0000000070c4a2d4 (stack is 00000000c3a035e0..00000000bf683807)

 3816 02:07:26.384932  # [   49.082039] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3817 02:07:26.392161  # [   49.089130] CPU: 0 PID: 998 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3818 02:07:26.404004  # [   49.097957] Hardware name: Google Coral/Coral, BIOS  09<6>[   49.864737] lkdtm: Performing direct entry UNSET_SMEP

 3819 02:07:26.409830  <6>[   49.875535] lkdtm: trying to clear SMEP normally

 3820 02:07:26.415029  <4>[   49.881025] ------------[ cut here ]------------

 3821 02:07:26.416443  /29/2020

 3822 02:07:26.426678  # [   49.111038] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAI<4>[   49.886503] pinned CR4 bits changed: 0x100000!?

 3823 02:07:26.428327  LING+0x27/0x3d

 3824 02:07:26.443101  # [   49.124132] Code: de fb ff 0f 1f 44 00 00 5<4>[   49.898067] WARNING: CPU: 0 PID: 1034 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60

 3825 02:07:26.489322  3 48 c7 c7 d0 96 5f 83 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18<4>[   49.914718] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3826 02:07:26.498720  <4>[   49.960939] CPU: 0 PID: 1034 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3827 02:07:26.505148  <4>[   49.969907] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3828 02:07:26.510832  <4>[   49.976822] RIP: 0010:native_write_cr4+0x45/0x60

 3829 02:07:26.531976  <4>[   49.982286] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d e3 33 46 02 00 75 f2 48 c7 c7 68 73 4f 83 c6 05 d3 33 46 02 01 e8 d2 30 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3830 02:07:26.538155  <4>[   50.003536] RSP: 0018:ffffa6d6c181fe48 EFLAGS: 00010286

 3831 02:07:26.546393  <4>[   50.009679] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000

 3832 02:07:26.555557  <4>[   50.017946] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70

 3833 02:07:26.563380  <4>[   50.026214] RBP: ffffffff835f8df5 R08: 0000000000000000 R09: 0000000000000000

 3834 02:07:26.571064  <4>[   50.034480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3835 02:07:26.579441  <4>[   50.042746] R13: ffffa6d6c181ff10 R14: ffffa6d6c181ff10 R15: ffff9309c4551000

 3836 02:07:26.589056  <4>[   50.051016] FS:  00007f6e99757580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 3837 02:07:26.595720  <4>[   50.060351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3838 02:07:26.604522  <4>[   50.067070] CR2: 00007f6e99561000 CR3: 0000000105e3c000 CR4: 00000000003506f0

 3839 02:07:26.606726  <4>[   50.075338] Call Trace:

 3840 02:07:26.610617  <4>[   50.078390]  ? __warn+0x80/0x110

 3841 02:07:26.615676  <4>[   50.082297]  ? native_write_cr4+0x45/0x60

 3842 02:07:26.619934  <4>[   50.087085]  ? report_bug+0x9e/0xc0

 3843 02:07:26.624072  <4>[   50.091293]  ? handle_bug+0x41/0x90

 3844 02:07:26.629096  <4>[   50.095496]  ? exc_invalid_op+0x14/0x70

 3845 02:07:26.633853  <4>[   50.100086]  ? asm_exc_invalid_op+0x12/0x20

 3846 02:07:26.640096  <4>[   50.105073]  ? native_write_cr4+0x45/0x60

 3847 02:07:26.643452  <4>[   50.109858]  ? native_write_cr4+0x45/0x60

 3848 02:07:26.648323  <4>[   50.114646]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3849 02:07:26.653043  <4>[   50.119823]  direct_entry.cold+0x2c/0x38

 3850 02:07:26.657744  <4>[   50.124516]  full_proxy_write+0x56/0x80

 3851 02:07:26.661699  <4>[   50.129111]  vfs_write+0xea/0x3b0

 3852 02:07:26.665579  <4>[   50.133132]  ksys_write+0x68/0xf0

 3853 02:07:26.669893  <4>[   50.137146]  do_syscall_64+0x33/0x40

 3854 02:07:26.675686  <4>[   50.141449]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3855 02:07:26.680376  <4>[   50.147397] RIP: 0033:0x7f6e9966d473

 3856 02:07:26.701479  <4>[   50.151698] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3857 02:07:26.710248  <4>[   50.172948] RSP: 002b:00007ffdea69bc48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3858 02:07:26.719238  <4>[   50.181706] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6e9966d473

 3859 02:07:26.727137  <4>[   50.189983] RDX: 000000000000000b RSI: 00007f6e99561000 RDI: 0000000000000001

 3860 02:07:26.741044   e8 7b de fb ff 48 c7 c7 10 97 5f 83 <8a> 83 00 40 00 00 88 44 2<4>[   50.198250] RBP: 00007f6e99561000 R08: 00007f6e99560010 R09: 0000000000000000

 3861 02:07:26.749230  <4>[   50.212692] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3862 02:07:26.757704  <4>[   50.220958] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3863 02:07:26.761474  <4>[   50.229240] irq event stamp: 0

 3864 02:07:26.768782  <4>[   50.232959] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3865 02:07:26.779014  <4>[   50.240263] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3866 02:07:26.782623  4 07 0f b6 74 24 07 5a 5b e9 5e de fb ff

 3867 02:07:26.794256  # [   49.145355] RSP: <4>[   50.249698] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3868 02:07:26.801170  <4>[   50.265310] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3869 02:07:26.806495  <4>[   50.272620] ---[ end trace bf7d0a621a4c6664 ]---

 3870 02:07:26.812116  <6>[   50.278077] lkdtm: ok: SMEP did not get cleared

 3871 02:07:26.818195  <6>[   50.283438] lkdtm: trying to clear SMEP with call gadget

 3872 02:07:26.823346  <6>[   50.289684] lkdtm: ok: SMEP removal was reverted

 3873 02:07:26.827779  0018:ffffa6d6c179fe50 EFLAGS: 00010246

 3874 02:07:26.836290  # [   49.151473] RAX: 0000000000000038 RBX: ffffa6d6c179c000 RCX: 0000000000000000

 3875 02:07:26.844260  # [   49.159718] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffffffff835f9710

 3876 02:07:26.851927  # [   49.167967] RBP: ffffffff835f8ddb R08: 0000000000000000 R09: 0000000000000000

 3877 02:07:26.860736  # [   49.176209] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3878 02:07:26.868406  # [   49.184453] R13: ffffa6d6c179ff10 R14: ffffa6d6c179ff10 R15: ffff9309c33f1000

 3879 02:07:26.878102  # [   49.192696] FS:  00007f8cd0434580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 3880 02:07:26.884601  # [   49.202003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3881 02:07:26.892314  # [   49.208721] CR2: ffffa6d6c17a0000 CR3: 0000000102b5c000 CR4: 00000000003506f0

 3882 02:07:26.895194  # [   49.216968] Call Trace:

 3883 02:07:26.897585  # [   49.219988]  <#DF>

 3884 02:07:26.902311  # [   49.222520]  ? __die_body.cold+0x1a/0x1f

 3885 02:07:26.905746  # [   49.227192]  ? die+0x2b/0x50

 3886 02:07:26.910835  # [   49.230699]  ? handle_stack_overflow+0x3e/0x4d

 3887 02:07:26.915100  # [   49.235949]  ? no_context+0x24d/0x380

 3888 02:07:26.917417  # [   49.240329]  </#DF>

 3889 02:07:26.957147  # [   49.242957] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3890 02:07:26.963219  # [   49.282981] ---[ end trace bf7d0a621a4c6663 ]---

 3891 02:07:26.967195  # [   49.294605] RIP: 0010:lkdtm_BUG+0x5/0x10

 3892 02:07:26.987968  # [   49.299267] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 3893 02:07:26.994743  # [   49.320477] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 3894 02:07:27.002874  # [   49.326592] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 3895 02:07:27.010624  # [   49.334836] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 3896 02:07:27.018742  # [   49.343078] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 3897 02:07:27.028224  # [   49.351324] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3898 02:07:27.035275  # [   49.359569] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 3899 02:07:27.044243  # [   49.367814] FS:  00007f8cd0434580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 3900 02:07:27.051065  # [   49.377136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3901 02:07:27.058870  # [   49.383844] CR2: ffffa6d6c17a0000 CR3: 0000000102b5c000 CR4: 00000000003506f0

 3902 02:07:27.069556  # [   49.392106] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3903 02:07:27.077675  # [   49.402305] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 998, name: cat

 3904 02:07:27.082037  # [   49.410940] INFO: lockdep is turned off.

 3905 02:07:27.085667  # [   49.415600] irq event stamp: 0

 3906 02:07:27.092862  # [   49.419297] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3907 02:07:27.102859  # [   49.426585] hardirqs last disabled<6>[   50.565980] lkdtm: Performing direct entry DOUBLE_FAULT

 3908 02:07:27.108083  <3>[   50.574294] lkdtm: XFAIL: this test is ia32-only

 3909 02:07:27.114449   at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3910 02:07:27.123345  # [   49.436007] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3911 02:07:27.130136  # [   49.445424] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3912 02:07:27.138671  # [   49.452713] CPU: 0 PID: 998 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3913 02:07:27.145534  # [   49.461547] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3914 02:07:27.148412  # [   49.468438] Call Trace:

 3915 02:07:27.152598  # [   49.471461]  dump_stack+0x77/0x9b

 3916 02:07:27.157246  # [   49.475452]  ___might_sleep.cold+0xa6/0xb6

 3917 02:07:27.162129  # [   49.480318]  exit_signals+0x1c/0x300

 3918 02:07:27.164805  # [   49.484600]  do_exit+0xc2/0xab0

 3919 02:07:27.169295  # [   49.488397]  ? ksys_write+0x68/0xf0

 3920 02:07:27.173627  # [   49.492583]  make_task_dead+0x2f/0x30

 3921 02:07:27.178734  # [   49.496962]  rewind_stack_and_make_dead+0x17/0x20

 3922 02:07:27.182758  # [   49.502499] RIP: 0033:0x7f8cd034a473

 3923 02:07:27.204201  # [   49.506778] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3924 02:07:27.213483  # [   49.528031] RSP: 002b:00007ffdfc697be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3925 02:07:27.220965  # [   49.536777] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f8cd034a473

 3926 02:07:27.229419  # [   49.545036] RDX: 000000000000001a RSI: 00007f8cd023e000 RDI: 0000000000000001

 3927 02:07:27.237338  # [   49.553294] RBP: 00007f8cd023e000 R08: 00007f8cd023d010 R09: 0000000000000000

 3928 02:07:27.245454  # [   49.561549] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3929 02:07:27.253477  # [   49.569792] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3930 02:07:27.258462  # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok

 3931 02:07:27.265128  ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3932 02:07:27.266774  # selftests: lkdtm: UNSET_SMEP.sh

 3933 02:07:27.272636  # [   49.864737] lkdtm: Performing direct entry UNSET_SMEP

 3934 02:07:27.278395  # [   49.875535] lkdtm: trying to clear SMEP normally

 3935 02:07:27.283489  # [   49.881025] ------------[ cut here ]------------

 3936 02:07:27.288947  # [   49.886503] pinned CR4 bits changed: 0x100000!?

 3937 02:07:27.299064  # [   49.898067] WARNING: CPU: 0 PID: 1034 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60

 3938 02:07:27.339547  # [   49.914718] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3939 02:07:27.348181  # [   49.960939] CPU: 0 PID: 1034 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 3940 02:07:27.354895  # [   49.969907] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3941 02:07:27.360125  # [   49.976822] RIP: 0010:native_write_cr4+0x45/0x60

 3942 02:07:27.375083  # [   49.982286] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d e3 33 46 02 00 75 f<6>[   50.835217] lkdtm: Performing direct entry CORRUPT_PAC

 3943 02:07:27.380435  <3>[   50.846249] lkdtm: XFAIL: this test is arm64-only

 3944 02:07:27.392922  2 48 c7 c7 68 73 4f 83 c6 05 d3 33 46 02 01 e8 d2 30 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3945 02:07:27.399102  # [   50.003536] RSP: 0018:ffffa6d6c181fe48 EFLAGS: 00010286

 3946 02:07:27.406862  # [   50.009679] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000

 3947 02:07:27.415521  # [   50.017946] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70

 3948 02:07:27.423638  # [   50.026214] RBP: ffffffff835f8df5 R08: 0000000000000000 R09: 0000000000000000

 3949 02:07:27.431592  # [   50.034480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3950 02:07:27.439966  # [   50.042746] R13: ffffa6d6c181ff10 R14: ffffa6d6c181ff10 R15: ffff9309c4551000

 3951 02:07:27.448509  # [   50.051016] FS:  00007f6e99757580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 3952 02:07:27.455794  # [   50.060351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3953 02:07:27.463813  # [   50.067070] CR2: 00007f6e99561000 CR3: 0000000105e3c000 CR4: 00000000003506f0

 3954 02:07:27.466117  # [   50.075338] Call Trace:

 3955 02:07:27.470332  # [   50.078390]  ? __warn+0x80/0x110

 3956 02:07:27.475087  # [   50.082297]  ? native_write_cr4+0x45/0x60

 3957 02:07:27.479215  # [   50.087085]  ? report_bug+0x9e/0xc0

 3958 02:07:27.483320  # [   50.091293]  ? handle_bug+0x41/0x90

 3959 02:07:27.487920  # [   50.095496]  ? exc_invalid_op+0x14/0x70

 3960 02:07:27.492660  # [   50.100086]  ? asm_exc_invalid_op+0x12/0x20

 3961 02:07:27.497593  # [   50.105073]  ? native_write_cr4+0x45/0x60

 3962 02:07:27.501539  # [   50.109858]  ? native_write_cr4+0x45/0x60

 3963 02:07:27.506998  # [   50.114646]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3964 02:07:27.512008  # [   50.119823]  direct_entry.cold+0x2c/0x38

 3965 02:07:27.516194  # [   50.124516]  full_proxy_write+0x56/0x80

 3966 02:07:27.519401  # [   50.129111]  vfs_write+0xea/0x3b0

 3967 02:07:27.523677  # [   50.133132]  ksys_write+0x68/0xf0

 3968 02:07:27.527558  # [   50.137146]  do_syscall_64+0x33/0x40

 3969 02:07:27.534228  # [   50.141449]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3970 02:07:27.537902  # [   50.147397] RIP: 0033:0x7f6e9966d473

 3971 02:07:27.558829  # [   50.151698] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3972 02:07:27.567206  # [   50.172948] RSP: 002b:00007ffdea69bc48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3973 02:07:27.575431  # [   50.181706] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6e9966d473

 3974 02:07:27.583434  # [   50.189983] RDX: 000000000000000b RSI: 00007f6e99561000 RDI: 0000000000000001

 3975 02:07:27.592178  # [   50.198250] RBP: 00007f6e99561000 R08: 00007f6e99560010 R09: 0000000000000000

 3976 02:07:27.599868  # [   50.212692] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3977 02:07:27.608238  # [   50.220958] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3978 02:07:27.611560  # [   50.229240] irq event stamp: 0

 3979 02:07:27.618565  # [   50.232959] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3980 02:07:27.627759  # [   50.240263] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3981 02:07:27.635308  # [  <6>[   51.095010] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3982 02:07:27.643372  <3>[   51.107460] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3983 02:07:27.652412   50.249698] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 3984 02:07:27.660944  # [   50.265310] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3985 02:07:27.665641  # [   50.272620] ---[ end trace bf7d0a621a4c6664 ]---

 3986 02:07:27.670325  # [   50.278077] lkdtm: ok: SMEP did not get cleared

 3987 02:07:27.677199  # [   50.283438] lkdtm: trying to clear SMEP with call gadget

 3988 02:07:27.683054  # [   50.289684] lkdtm: ok: SMEP removal was reverted

 3989 02:07:27.687790  # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok

 3990 02:07:27.690329  ok 14 selftests: lkdtm: UNSET_SMEP.sh

 3991 02:07:27.694373  # selftests: lkdtm: DOUBLE_FAULT.sh

 3992 02:07:27.700421  # [   50.565980] lkdtm: Performing direct entry DOUBLE_FAULT

 3993 02:07:27.706196  # [   50.574294] lkdtm: XFAIL: this test is ia32-only

 3994 02:07:27.709684  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]

 3995 02:07:27.714297  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP

 3996 02:07:27.717295  # selftests: lkdtm: CORRUPT_PAC.sh

 3997 02:07:27.723009  # [   50.835217] lkdtm: Performing direct entry CORRUPT_PAC

 3998 02:07:27.728417  # [   50.846249] lkdtm: XFAIL: this test is arm64-only

 3999 02:07:27.731569  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 4000 02:07:27.736243  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 4001 02:07:27.741314  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 4002 02:07:27.749499  # [   51.095010] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 4003 02:07:27.756652  # [   51.107460] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 4004 02:07:27.762562  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 4005 02:07:27.767774  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 4006 02:07:27.771773  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 4007 02:07:27.858669  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 4008 02:07:27.863136  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 4009 02:07:27.876220  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 4010 02:07:27.985422  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 4011 02:07:27.990232  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 4012 02:07:28.004386  # selftests: lkdtm: READ_AFTER_FREE.sh

 4013 02:07:28.168490  <6>[   51.633316] lkdtm: Performing direct entry READ_AFTER_FREE

 4014 02:07:28.174596  <6>[   51.639782] lkdtm: Value in memory before free: 12345678

 4015 02:07:28.180810  <6>[   51.646061] lkdtm: Attempting bad read from freed memory

 4016 02:07:28.185797  <6>[   51.652315] lkdtm: Memory was not poisoned

 4017 02:07:28.240879  # [   51.633316] lkdtm: Performing direct entry READ_AFTER_FREE

 4018 02:07:28.246334  # [   51.639782] lkdtm: Value in memory before free: 12345678

 4019 02:07:28.252510  # [   51.646061] lkdtm: Attempting bad read from freed memory

 4020 02:07:28.257058  # [   51.652315] lkdtm: Memory was not poisoned

 4021 02:07:28.261995  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 4022 02:07:28.274322  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 4023 02:07:28.287869  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh

 4024 02:07:28.395921  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure

 4025 02:07:28.401163  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP

 4026 02:07:28.413052  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 4027 02:07:28.572923  <6>[   52.037426] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 4028 02:07:28.579298  <6>[   52.044456] lkdtm: Value in memory before free: 12345678

 4029 02:07:28.585545  <6>[   52.050712] lkdtm: Attempting to read from freed memory

 4030 02:07:28.590394  <6>[   52.056864] lkdtm: Buddy page was not poisoned

 4031 02:07:28.645471  # [   52.037426] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 4032 02:07:28.652021  # [   52.044456] lkdtm: Value in memory before free: 12345678

 4033 02:07:28.657325  # [   52.050712] lkdtm: Attempting to read from freed memory

 4034 02:07:28.662497  # [   52.056864] lkdtm: Buddy page was not poisoned

 4035 02:07:28.667768  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 4036 02:07:28.680652  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 4037 02:07:28.694012  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 4038 02:07:28.848862  <6>[   52.313987] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 4039 02:07:28.854969  <6>[   52.320569] lkdtm: Attempting double slab free ...

 4040 02:07:28.914546  # [   52.313987] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 4041 02:07:28.919699  # [   52.320569] lkdtm: Attempting double slab free ...

 4042 02:07:28.937027  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]

 4043 02:07:28.950800  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 4044 02:07:28.963728  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 4045 02:07:29.123917  <6>[   52.589144] lkdtm: Performing direct entry SLAB_FREE_CROSS

 4046 02:07:29.130470  <6>[   52.595604] lkdtm: Attempting cross-cache slab free ...

 4047 02:07:29.185811  # [   52.589144] lkdtm: Performing direct entry SLAB_FREE_CROSS

 4048 02:07:29.191563  # [   52.595604] lkdtm: Attempting cross-cache slab free ...

 4049 02:07:29.206407  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 4050 02:07:29.222073  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 4051 02:07:29.236128  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 4052 02:07:29.391334  <6>[   52.856475] lkdtm: Performing direct entry SLAB_FREE_PAGE

 4053 02:07:29.397144  <6>[   52.862834] lkdtm: Attempting non-Slab slab free ...

 4054 02:07:29.459975  # [   52.856475] lkdtm: Performing direct entry SLAB_FREE_PAGE

 4055 02:07:29.464446  # [   52.862834] lkdtm: Attempting non-Slab slab free ...

 4056 02:07:29.480921  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 4057 02:07:29.496306  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 4058 02:07:29.508618  # selftests: lkdtm: SOFTLOCKUP.sh

 4059 02:07:29.620384  # Skipping SOFTLOCKUP: Hangs the system

 4060 02:07:29.625849  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 4061 02:07:29.638837  # selftests: lkdtm: HARDLOCKUP.sh

 4062 02:07:29.750276  # Skipping HARDLOCKUP: Hangs the system

 4063 02:07:29.755230  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP

 4064 02:07:29.769830  # selftests: lkdtm: SPINLOCKUP.sh

 4065 02:07:29.873934  # Skipping SPINLOCKUP: Hangs the system

 4066 02:07:29.878864  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP

 4067 02:07:29.892594  # selftests: lkdtm: HUNG_TASK.sh

 4068 02:07:30.000523  # Skipping HUNG_TASK: Hangs the system

 4069 02:07:30.005389  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP

 4070 02:07:30.019676  # selftests: lkdtm: EXEC_DATA.sh

 4071 02:07:30.179031  <6>[   53.644183] lkdtm: Performing direct entry EXEC_DATA

 4072 02:07:30.186046  <6>[   53.650053] lkdtm: attempting ok execution at ffffffff82179910

 4073 02:07:30.193529  <6>[   53.656873] lkdtm: attempting bad execution at ffffffff8500ebe0

 4074 02:07:30.201688  <2>[   53.663810] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4075 02:07:30.208802  <1>[   53.672448] BUG: unable to handle page fault for address: ffffffff8500ebe0

 4076 02:07:30.215522  <1>[   53.680401] #PF: supervisor instruction fetch in kernel mode

 4077 02:07:30.221829  <1>[   53.687001] #PF: error_code(0x0011) - permissions violation

 4078 02:07:30.229847  <6>[   53.693507] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 8000000077c000e3 

 4079 02:07:30.234840  <4>[   53.701283] Oops: 0011 [#5] SMP PTI

 4080 02:07:30.242882  <4>[   53.705467] CPU: 1 PID: 1541 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4081 02:07:30.249815  <4>[   53.714387] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4082 02:07:30.254237  <4>[   53.721286] RIP: 0010:data_area+0x0/0x40

 4083 02:07:30.275756  <4>[   53.725942] Code: ff ff 00 15 c2 c4 09 93 ff ff 00 14 c2 c4 09 93 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4084 02:07:30.282151  <4>[   53.747167] RSP: 0018:ffffa6d6c1fb7e48 EFLAGS: 00010246

 4085 02:07:30.290070  <4>[   53.753285] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4086 02:07:30.298625  <4>[   53.761533] RDX: 0000000000000000 RSI: ffff930a3bc9bf70 RDI: ffff930a3bc9bf70

 4087 02:07:30.306726  <4>[   53.769778] RBP: ffffffff8500ebe0 R08: 0000000000000000 R09: 0000000000000000

 4088 02:07:30.314603  <4>[   53.778025] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4089 02:07:30.323192  <4>[   53.786269] R13: ffffa6d6c1fb7f10 R14: ffffa6d6c1fb7f10 R15: ffff9309c3dde000

 4090 02:07:30.332219  <4>[   53.794519] FS:  00007f1100d08580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000

 4091 02:07:30.339168  <4>[   53.803828] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4092 02:07:30.347139  <4>[   53.810522] CR2: ffffffff8500ebe0 CR3: 0000000105b1c000 CR4: 00000000003506e0

 4093 02:07:30.350605  <4>[   53.818769] Call Trace:

 4094 02:07:30.355116  <4>[   53.821800]  ? __die_body.cold+0x1a/0x1f

 4095 02:07:30.360297  <4>[   53.826471]  ? no_context+0x177/0x380

 4096 02:07:30.363886  <4>[   53.830851]  ? exc_page_fault+0xd7/0x170

 4097 02:07:30.369316  <4>[   53.835520]  ? asm_exc_page_fault+0x1e/0x30

 4098 02:07:30.373822  <4>[   53.840491]  ? execute_location+0x48/0x56

 4099 02:07:30.379271  <4>[   53.845256]  ? direct_entry.cold+0x2c/0x38

 4100 02:07:30.383126  <4>[   53.850128]  ? full_proxy_write+0x56/0x80

 4101 02:07:30.387880  <4>[   53.854899]  ? vfs_write+0xea/0x3b0

 4102 02:07:30.391983  <4>[   53.859083]  ? ksys_write+0x68/0xf0

 4103 02:07:30.397222  <4>[   53.863269]  ? do_syscall_64+0x33/0x40

 4104 02:07:30.402202  <4>[   53.867743]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4105 02:07:30.442867  <4>[   53.873871] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4106 02:07:30.447390  <4>[   53.913872] CR2: ffffffff8500ebe0

 4107 02:07:30.451982  <4>[   53.917862] ---[ end trace bf7d0a621a4c6665 ]---

 4108 02:07:30.456743  <4>[   53.923305] RIP: 0010:lkdtm_BUG+0x5/0x10

 4109 02:07:30.478502  <4>[   53.927969] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 4110 02:07:30.484008  <4>[   53.949192] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 4111 02:07:30.492435  <4>[   53.955308] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 4112 02:07:30.500934  <4>[   53.963552] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 4113 02:07:30.508406  <4>[   53.971797] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 4114 02:07:30.517224  <4>[   53.980038] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4115 02:07:30.525217  <4>[   53.988284] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 4116 02:07:30.534344  <4>[   53.996527] FS:  00007f1100d08580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000

 4117 02:07:30.541563  <4>[   54.005836] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4118 02:07:30.549766  <4>[   54.012528] CR2: ffffffff8500ebe0 CR3: 0000000105b1c000 CR4: 00000000003506e0

 4119 02:07:30.559290  <3>[   54.020779] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4120 02:07:30.568580  <3>[   54.030963] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1541, name: cat

 4121 02:07:30.573027  <4>[   54.039690] INFO: lockdep is turned off.

 4122 02:07:30.576350  <4>[   54.044350] irq event stamp: 0

 4123 02:07:30.584047  <4>[   54.048046] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4124 02:07:30.593473  <4>[   54.055323] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 4125 02:07:30.603131  <4>[   54.064734] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 4126 02:07:30.610294  <4>[   54.074140] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4127 02:07:30.618894  <4>[   54.081419] CPU: 1 PID: 1541 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4128 02:07:30.626006  <4>[   54.090344] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4129 02:07:30.629204  <4>[   54.097237] Call Trace:

 4130 02:07:30.632894  <4>[   54.100259]  dump_stack+0x77/0x9b

 4131 02:07:30.638570  <4>[   54.104250]  ___might_sleep.cold+0xa6/0xb6

 4132 02:07:30.642027  <4>[   54.109117]  exit_signals+0x1c/0x300

 4133 02:07:30.645537  <4>[   54.113394]  do_exit+0xc2/0xab0

 4134 02:07:30.649911  <4>[   54.117191]  ? ksys_write+0x68/0xf0

 4135 02:07:30.654862  <4>[   54.121372]  make_task_dead+0x2f/0x30

 4136 02:07:30.660943  <4>[   54.125746]  rewind_stack_and_make_dead+0x17/0x20

 4137 02:07:30.664767  <4>[   54.131272] RIP: 0033:0x7f1100c1e473

 4138 02:07:30.685553  <4>[   54.135549] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4139 02:07:30.693809  <4>[   54.156775] RSP: 002b:00007fff4a1d61c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4140 02:07:30.702130  <4>[   54.165507] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1100c1e473

 4141 02:07:30.710599  <4>[   54.173756] RDX: 000000000000000a RSI: 00007f1100b12000 RDI: 0000000000000001

 4142 02:07:30.719103  <4>[   54.182004] RBP: 00007f1100b12000 R08: 00007f1100b11010 R09: 0000000000000000

 4143 02:07:30.727149  <4>[   54.190252] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4144 02:07:30.735281  <4>[   54.198498] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4145 02:07:30.737217  # Killed

 4146 02:07:30.797189  # [   53.644183] lkdtm: Performing direct entry EXEC_DATA

 4147 02:07:30.805071  # [   53.650053] lkdtm: attempting ok execution at ffffffff82179910

 4148 02:07:30.811120  # [   53.656873] lkdtm: attempting bad execution at ffffffff8500ebe0

 4149 02:07:30.820101  # [   53.663810] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4150 02:07:30.827527  # [   53.672448] BUG: unable to handle page fault for address: ffffffff8500ebe0

 4151 02:07:30.833916  # [   53.680401] #PF: supervisor instruction fetch in kernel mode

 4152 02:07:30.839988  # [   53.687001] #PF: error_code(0x0011) - permissions violation

 4153 02:07:30.847905  # [   53.693507] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 8000000077c000e3 

 4154 02:07:30.852189  # [   53.701283] Oops: 0011 [#5] SMP PTI

 4155 02:07:30.860742  # [   53.705467] CPU: 1 PID: 1541 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4156 02:07:30.867898  # [   53.714387] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4157 02:07:30.872023  # [   53.721286] RIP: 0010:data_area+0x0/0x40

 4158 02:07:30.893593  # [   53.725942] Code: ff ff 00 15 c2 c4 09 93 ff ff 00 14 c2 c4 09 93 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4159 02:07:30.899635  # [   53.747167] RSP: 0018:ffffa6d6c1fb7e48 EFLAGS: 00010246

 4160 02:07:30.907473  # [   53.753285] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4161 02:07:30.915257  # [   53.761533] RDX: 0000000000000000 RSI: ffff930a3bc9bf70 RDI: ffff930a3bc9bf70

 4162 02:07:30.923436  # [   53.769778] RBP: ffffffff8500ebe0 R08: 0000000000000000 R09: 0000000000000000

 4163 02:07:30.931665  # [   53.778025] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4164 02:07:30.939728  # [   53.786269] R13: ffffa6d6c1fb7f10 R14: ffffa6d6c1fb7f10 R15: ffff9309c3dde000

 4165 02:07:30.949151  # [   53.794519] FS:  00007f1100d08580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000

 4166 02:07:30.955736  # [   53.803828] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4167 02:07:30.963959  # [   53.810522] CR2: ffffffff8500ebe0 CR3: 0000000105b1c000 CR4: 00000000003506e0

 4168 02:07:30.966768  # [   53.818769] Call Trace:

 4169 02:07:30.972493  # [   53.821800]  ? __die_body.cold+0x1a/0x1f

 4170 02:07:30.975877  # [   53.826471]  ? no_context+0x177/0x380

 4171 02:07:30.980782  # [   53.830851]  ? exc_page_fault+0xd7/0x170

 4172 02:07:30.985098  # [   53.835520]  ? asm_exc_page_fault+0x1e/0x30

 4173 02:07:30.989650  # [   53.840491]  ? execute_location+0x48/0x56

 4174 02:07:30.994315  # [   53.845256]  ? direct_entry.cold+0x2c/0x38

 4175 02:07:30.998865  # [   53.850128]  ? full_proxy_write+0x56/0x80

 4176 02:07:31.002865  # [   53.854899]  ? vfs_write+0xea/0x3b0

 4177 02:07:31.006974  # [   53.859083]  ? ksys_write+0x68/0xf0

 4178 02:07:31.011236  # [   53.863269]  ? do_syscall_64+0x33/0x40

 4179 02:07:31.017708  # [   53.867743]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4180 02:07:31.054095  # [   53.873871] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_us<6>[   54.518641] lkdtm: Performing direct entry EXEC_STACK

 4181 02:07:31.067034  bpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chr<6>[   54.525605] lkdtm: attempting ok execution at ffffffff82179910

 4182 02:07:31.069953  omeos_pstore coreboot_table

 4183 02:07:31.079975  # [   53.913872] CR2: ffffffff8500e<6>[   54.538658] lkdtm: attempting bad execution at ffffa6d6c2047e18

 4184 02:07:31.081163  be0

 4185 02:07:31.086238  # [   53.917862] ---[ end trace bf7d0a621a4c6665 ]---

 4186 02:07:31.095374  # [ <2>[   54.551819] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4187 02:07:31.103705  <1>[   54.566564] BUG: unable to handle page fault for address: ffffa6d6c2047e18

 4188 02:07:31.109950  <1>[   54.574526] #PF: supervisor instruction fetch in kernel mode

 4189 02:07:31.116138  <1>[   54.581130] #PF: error_code(0x0011) - permissions violation

 4190 02:07:31.126194  <6>[   54.587634] PGD 100000067 P4D 100000067 PUD 100231067 PMD 102792067 PTE 8000000104681063

 4191 02:07:31.129718  <4>[   54.596962] Oops: 0011 [#6] SMP PTI

 4192 02:07:31.138885  <4>[   54.601141] CPU: 3 PID: 1577 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4193 02:07:31.146557  <4>[   54.610064] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4194 02:07:31.150340  <4>[   54.616966] RIP: 0010:0xffffa6d6c2047e18

 4195 02:07:31.171710  <4>[   54.621638] Code: 00 00 18 7e 04 c2 d6 a6 ff ff 54 d6 80 82 ff ff ff ff 20 00 00 00 00 00 00 00 1e 8f 5f 83 ff ff ff ff 80 d7 80 82 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4196 02:07:31.177334  <4>[   54.642896] RSP: 0018:ffffa6d6c2047df8 EFLAGS: 00010246

 4197 02:07:31.185996  <4>[   54.649028] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4198 02:07:31.193825  <4>[   54.657284] RDX: 0000000000000000 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70

 4199 02:07:31.203075  <4>[   54.665534] RBP: ffffa6d6c2047e18 R08: 0000000000000000 R09: 0000000000000000

 4200 02:07:31.210886  <4>[   54.673778] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4201 02:07:31.219343  <4>[   54.682022] R13: ffffa6d6c2047f10 R14: ffffa6d6c2047f10 R15: ffff9309c3cf8000

 4202 02:07:31.228068  <4>[   54.690271] FS:  00007f1fb3b12580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 4203 02:07:31.235969  <4>[   54.699595] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4204 02:07:31.243143  <4>[   54.706300] CR2: ffffa6d6c2047e18 CR3: 0000000105b1c000 CR4: 00000000003506e0

 4205 02:07:31.246926  <4>[   54.714551] Call Trace:

 4206 02:07:31.250586  <4>[   54.717583]  ? __die_body.cold+0x1a/0x1f

 4207 02:07:31.254946  <4>[   54.722259]  ? no_context+0x177/0x380

 4208 02:07:31.260394  <4>[   54.726648]  ? exc_page_fault+0xd7/0x170

 4209 02:07:31.265913  <4>[   54.731318]  ? asm_exc_page_fault+0x1e/0x30

 4210 02:07:31.269476  <4>[   54.736295]  ? execute_location+0x48/0x56

 4211 02:07:31.274422  <4>[   54.741068]  ? lkdtm_EXEC_STACK+0x26/0x44

 4212 02:07:31.279614  <4>[   54.745841]  ? direct_entry.cold+0x2c/0x38

 4213 02:07:31.284748  <4>[   54.750712]  ? full_proxy_write+0x56/0x80

 4214 02:07:31.288845  <4>[   54.755478]  ? vfs_write+0xea/0x3b0

 4215 02:07:31.292543  <4>[   54.759660]  ? ksys_write+0x68/0xf0

 4216 02:07:31.297001  <4>[   54.763853]  ? do_syscall_64+0x33/0x40

 4217 02:07:31.303247  <4>[   54.768333]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4218 02:07:31.343345  <4>[   54.774472] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4219 02:07:31.347018  <4>[   54.814551] CR2: ffffa6d6c2047e18

 4220 02:07:31.353177  <4>[   54.818532] ---[ end trace bf7d0a621a4c6666 ]---

 4221 02:07:31.357546  <4>[   54.823983] RIP: 0010:lkdtm_BUG+0x5/0x10

 4222 02:07:31.378487  <4>[   54.828651] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 4223 02:07:31.384712  <4>[   54.849899] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 4224 02:07:31.393618  <4>[   54.856019] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 4225 02:07:31.401415  <4>[   54.864264] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 4226 02:07:31.411575  <4>[   54.872513] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 4227 02:07:31.418105  <4>[   54.880769] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4228 02:07:31.425801  <4>[   54.889025] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 4229 02:07:31.435441  <4>[   54.897283] FS:  00007f1fb3b12580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 4230 02:07:31.441966  <4>[   54.906609] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4231 02:07:31.449942  <4>[   54.913317] CR2: ffffa6d6c2047e18 CR3: 0000000105b1c000 CR4: 00000000003506e0

 4232 02:07:31.454808    53.923305] RIP: 0010:lkdtm_BUG+0x5/0x10

 4233 02:07:31.475509  # [   53.927969] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 4234 02:07:31.481553  # [   53.949192] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 4235 02:07:31.490340  # [   53.955308] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 4236 02:07:31.498025  # [   53.963552] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 4237 02:07:31.505912  # [   53.971797] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 4238 02:07:31.514336  # [   53.980038] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4239 02:07:31.522550  # [   53.988284] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 4240 02:07:31.531586  # [   53.996527] FS:  00007f1100d08580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000

 4241 02:07:31.538406  # [   54.005836] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4242 02:07:31.546541  # [   54.012528] CR2: ffffffff8500ebe0 CR3: 0000000105b1c000 CR4: 00000000003506e0

 4243 02:07:31.556978  # [   54.020779] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4244 02:07:31.565054  # [   54.030963] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1541, name: cat

 4245 02:07:31.570117  # [   54.039690] INFO: lockdep is turned off.

 4246 02:07:31.573474  # [   54.044350] irq event stamp: 0

 4247 02:07:31.580311  # [   54.048046] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4248 02:07:31.590024  # [   54.055323] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 4249 02:07:31.600302  # [   54.064734] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 4250 02:07:31.606147  # [   54.074140] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4251 02:07:31.614983  # [   54.081419] CPU: 1 PID: 1541 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4252 02:07:31.621991  # [   54.090344] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4253 02:07:31.624995  # [   54.097237] Call Trace:

 4254 02:07:31.629470  # [   54.100259]  dump_stack+0x77/0x9b

 4255 02:07:31.634175  # [   54.104250]  ___might_sleep.cold+0xa6/0xb6

 4256 02:07:31.638013  # [   54.109117]  exit_signals+0x1c/0x300

 4257 02:07:31.641653  # [   54.113394]  do_exit+0xc2/0xab0

 4258 02:07:31.645404  # [   54.117191]  ? ksys_write+0x68/0xf0

 4259 02:07:31.649925  # [   54.121372]  make_task_dead+0x2f/0x30

 4260 02:07:31.655347  # [   54.125746]  rewind_stack_and_make_dead+0x17/0x20

 4261 02:07:31.660222  # [   54.131272] RIP: 0033:0x7f1100c1e473

 4262 02:07:31.680532  # [   54.135549] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4263 02:07:31.688840  # [   54.156775] RSP: 002b:00007fff4a1d61c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4264 02:07:31.697052  # [   54.165507] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1100c1e473

 4265 02:07:31.706033  # [   54.173756] RDX: 000000000000000a RSI: 00007f1100b12000 RDI: 0000000000000001

 4266 02:07:31.713606  # [   54.182004] RBP: 00007f1100b12000 R08: 00007f1100b11010 R09: 0000000000000000

 4267 02:07:31.721240  # [   54.190252] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4268 02:07:31.729664  # [   54.198498] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4269 02:07:31.733255  # EXEC_DATA: saw 'call trace:': ok

 4270 02:07:31.736957  ok 30 selftests: lkdtm: EXEC_DATA.sh

 4271 02:07:31.740244  # selftests: lkdtm: EXEC_STACK.sh

 4272 02:07:31.740972  # Killed

 4273 02:07:31.747195  # [   54.518641] lkdtm: Performing direct entry EXEC_STACK

 4274 02:07:31.753814  # [   54.525605] lkdtm: attempting ok execution at ffffffff82179910

 4275 02:07:31.760640  # [   54.538658] lkdtm: attempting bad execution at ffffa6d6c2047e18

 4276 02:07:31.768613  # [   54.551819] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4277 02:07:31.776849  # [   54.566564] BUG: unable to handle page fault for address: ffffa6d6c2047e18

 4278 02:07:31.783689  # [   54.574526] #PF: supervisor instruction fetch in kernel mode

 4279 02:07:31.792809  # [   54.581130] #PF: <6>[   55.252004] lkdtm: Performing direct entry EXEC_KMALLOC

 4280 02:07:31.798838  <6>[   55.263029] lkdtm: attempting ok execution at ffffffff82179910

 4281 02:07:31.806082  <6>[   55.269868] lkdtm: attempting bad execution at ffff9309c59f3940

 4282 02:07:31.809607  error_code(0x0011) - permissions violation

 4283 02:07:31.819986  # [   54.587634] PGD<2>[   55.276828] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4284 02:07:31.828306  <1>[   55.291613] BUG: unable to handle page fault for address: ffff9309c59f3940

 4285 02:07:31.834710  <1>[   55.299579] #PF: supervisor instruction fetch in kernel mode

 4286 02:07:31.841137  <1>[   55.306183] #PF: error_code(0x0011) - permissions violation

 4287 02:07:31.856464   100000067 P4D 100000067 PUD 100231067 PMD 102792067 PTE 8000000<6>[   55.312687] PGD 77e01067 P4D 77e01067 PUD 100875063 PMD 10005c063 PTE 80000001059f3063

 4288 02:07:31.860900  <4>[   55.328011] Oops: 0011 [#7] SMP PTI

 4289 02:07:31.861982  <1044681063

 4290 02:07:31.865987  # [   54.596962] Oops: 0011 [#6] SMP PTI

 4291 02:07:31.875853  # [   54.6>[   55.332197] CPU: 2 PID: 1613 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4292 02:07:31.882735  <4>[   55.347239] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4293 02:07:31.887080  <4>[   55.354138] RIP: 0010:0xffff9309c59f3940

 4294 02:07:31.908551  <4>[   55.358807] Code: 00 00 02 00 00 00 00 00 00 00 00 36 9f c5 09 93 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef 6f 81 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4295 02:07:31.914402  <4>[   55.380039] RSP: 0018:ffffa6d6c20c7e38 EFLAGS: 00010246

 4296 02:07:31.922700  <4>[   55.386148] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4297 02:07:31.931562  <4>[   55.394404] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70

 4298 02:07:31.939078  <4>[   55.402656] RBP: ffff9309c59f3940 R08: 0000000000000000 R09: 0000000000000000

 4299 02:07:31.947833  <4>[   55.410897] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4300 02:07:31.956545  <4>[   55.419139] R13: ffffa6d6c20c7f10 R14: ffffa6d6c20c7f10 R15: ffff9309c33a8000

 4301 02:07:31.965987  <4>[   55.427380] FS:  00007f8561ce3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 4302 02:07:31.971778  <4>[   55.436697] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4303 02:07:31.980238  <4>[   55.443394] CR2: ffff9309c59f3940 CR3: 0000000102b38000 CR4: 00000000003506e0

 4304 02:07:31.982937  <4>[   55.451639] Call Trace:

 4305 02:07:31.987768  <4>[   55.454671]  ? __die_body.cold+0x1a/0x1f

 4306 02:07:31.992234  <4>[   55.459340]  ? no_context+0x177/0x380

 4307 02:07:31.997017  <4>[   55.463726]  ? exc_page_fault+0xd7/0x170

 4308 02:07:32.002036  <4>[   55.468399]  ? asm_exc_page_fault+0x1e/0x30

 4309 02:07:32.006429  <4>[   55.473369]  ? execute_location+0x48/0x56

 4310 02:07:32.012085  <4>[   55.478129]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 4311 02:07:32.017154  <4>[   55.483090]  ? direct_entry.cold+0x2c/0x38

 4312 02:07:32.021576  <4>[   55.487955]  ? full_proxy_write+0x56/0x80

 4313 02:07:32.025570  <4>[   55.492720]  ? vfs_write+0xea/0x3b0

 4314 02:07:32.030114  <4>[   55.496904]  ? ksys_write+0x68/0xf0

 4315 02:07:32.035428  <4>[   55.501090]  ? do_syscall_64+0x33/0x40

 4316 02:07:32.040223  <4>[   55.505560]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4317 02:07:32.086392  1141] CPU: 3 PID: 1577 Comm: cat Tainted: G      D W         5.1<4>[   55.511689] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4318 02:07:32.090166  <4>[   55.557892] CR2: ffff9309c59f3940

 4319 02:07:32.095531  <4>[   55.561880] ---[ end trace bf7d0a621a4c6667 ]---

 4320 02:07:32.101557  <4>[   55.567322] RIP: 0010:lkdtm_BUG+0x5/0x10

 4321 02:07:32.121534  <4>[   55.571993] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 4322 02:07:32.127759  <4>[   55.593252] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 4323 02:07:32.135982  <4>[   55.599369] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 4324 02:07:32.144697  <4>[   55.607618] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 4325 02:07:32.153437  <4>[   55.615871] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 4326 02:07:32.160802  <4>[   55.624128] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4327 02:07:32.169210  <4>[   55.632378] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 4328 02:07:32.178449  <4>[   55.640629] FS:  00007f8561ce3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 4329 02:07:32.185391  <4>[   55.649954] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4330 02:07:32.193359  <4>[   55.656658] CR2: ffff9309c59f3940 CR3: 0000000102b38000 CR4: 00000000003506e0

 4331 02:07:32.203348  <3>[   55.664915] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4332 02:07:32.212860  <3>[   55.675106] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1613, name: cat

 4333 02:07:32.216776  <4>[   55.683832] INFO: lockdep is turned off.

 4334 02:07:32.221055  <4>[   55.688495] irq event stamp: 0

 4335 02:07:32.229266  <4>[   55.692194] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4336 02:07:32.237438  <4>[   55.699483] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 4337 02:07:32.246614  <4>[   55.708910] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 4338 02:07:32.254264  <4>[   55.718330] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4339 02:07:32.263735  <4>[   55.725610] CPU: 2 PID: 1613 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4340 02:07:32.270224  <4>[   55.734545] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4341 02:07:32.273253  <4>[   55.741439] Call Trace:

 4342 02:07:32.277601  <4>[   55.744465]  dump_stack+0x77/0x9b

 4343 02:07:32.282902  <4>[   55.748462]  ___might_sleep.cold+0xa6/0xb6

 4344 02:07:32.286730  <4>[   55.753336]  exit_signals+0x1c/0x300

 4345 02:07:32.290176  <4>[   55.757618]  do_exit+0xc2/0xab0

 4346 02:07:32.294033  <4>[   55.761417]  ? ksys_write+0x68/0xf0

 4347 02:07:32.298857  <4>[   55.765607]  make_task_dead+0x2f/0x30

 4348 02:07:32.304186  <4>[   55.769994]  rewind_stack_and_make_dead+0x17/0x20

 4349 02:07:32.308352  <4>[   55.775541] RIP: 0033:0x7f8561bf9473

 4350 02:07:32.330012  <4>[   55.779829] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4351 02:07:32.338319  <4>[   55.801082] RSP: 002b:00007fff004e15b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4352 02:07:32.346878  <4>[   55.809823] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8561bf9473

 4353 02:07:32.355137  <4>[   55.818085] RDX: 000000000000000d RSI: 00007f8561aed000 RDI: 0000000000000001

 4354 02:07:32.363980  <4>[   55.826334] RBP: 00007f8561aed000 R08: 00007f8561aec010 R09: 0000000000000000

 4355 02:07:32.371395  <4>[   55.834583] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4356 02:07:32.379825  <4>[   55.842834] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4357 02:07:32.381249  0.182-cip35 #1

 4358 02:07:32.387932  # [   54.610064] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4359 02:07:32.392613  # [   54.616966] RIP: 0010:0xffffa6d6c2047e18

 4360 02:07:32.414461  # [   54.621638] Code: 00 00 18 7e 04 c2 d6 a6 ff ff 54 d6 80 82 ff ff ff ff 20 00 00 00 00 00 00 00 1e 8f 5f 83 ff ff ff ff 80 d7 80 82 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4361 02:07:32.419880  # [   54.642896] RSP: 0018:ffffa6d6c2047df8 EFLAGS: 00010246

 4362 02:07:32.428599  # [   54.649028] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4363 02:07:32.437374  # [   54.657284] RDX: 0000000000000000 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70

 4364 02:07:32.445064  # [   54.665534] RBP: ffffa6d6c2047e18 R08: 0000000000000000 R09: 0000000000000000

 4365 02:07:32.452307  # [   54.673778] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4366 02:07:32.460161  # [   54.682022] R13: ffffa6d6c2047f10 R14: ffffa6d6c2047f10 R15: ffff9309c3cf8000

 4367 02:07:32.469719  # [   54.690271] FS:  00007f1fb3b12580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 4368 02:07:32.476286  # [   54.699595] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4369 02:07:32.484690  # [   54.706300] CR2: ffffa6d6c2047e18 CR3: 0000000105b1c000 CR4: 00000000003506e0

 4370 02:07:32.487785  # [   54.714551] Call Trace:

 4371 02:07:32.492375  # [   54.717583]  ? __die_body.cold+0x1a/0x1f

 4372 02:07:32.497936  # [   54.722259]  ? no_context+0x177/0x380

 4373 02:07:32.500382  # [   54.726648]  ? exc_page_fault+0xd7/0x170

 4374 02:07:32.506631  # [   54.731318]  ? asm_exc_page_fault+0x1e/0x30

 4375 02:07:32.510315  # [   54.736295]  ? execute_location+0x48/0x56

 4376 02:07:32.514738  # [   54.741068]  ? lkdtm_EXEC_STACK+0x26/0x44

 4377 02:07:32.520241  # [   54.745841]  ? direct_entry.cold+0x2c/0x38

 4378 02:07:32.524184  # [   54.750712]  ? full_proxy_write+0x56/0x80

 4379 02:07:32.528589  # [   54.755478]  ? vfs_write+0xea/0x3b0

 4380 02:07:32.532710  # [   54.759660]  ? ksys_write+0x68/0xf0

 4381 02:07:32.536656  # [   54.763853]  ? do_syscall_64+0x33/0x40

 4382 02:07:32.543455  # [   54.768333]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4383 02:07:32.582417  # [   54.774472] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4384 02:07:32.587920  # [   54.814551] CR2: ffffa6d6c2047e18

 4385 02:07:32.592367  # [   54.818532] ---[ end trace bf7d0a621a4c6666 ]---

 4386 02:07:32.596919  # [   54.823983] RIP: 0010:lkdtm_BUG+0x5/0x10

 4387 02:07:32.617693  # [   54.828651] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 4388 02:07:32.623747  # [   54.849899] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 4389 02:07:32.631684  # [   54.856019] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 4390 02:07:32.639359  # [   54.864264] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 4391 02:07:32.648140  # [   54.872513] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 4392 02:07:32.655654  # [   54.880769] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4393 02:07:32.663778  # [   54.889025] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 4394 02:07:32.673616  # [   54.897283] FS:  00007f1fb3b12580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 4395 02:07:32.680136  # [   54.906609] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4396 02:07:32.687560  # [   54.913317] CR2: ffffa6d6c2047e18 CR3: 0000000105b1c000 CR4: 00000000003506e0

 4397 02:07:32.691344  # EXEC_STACK: saw 'call trace:': ok

 4398 02:07:32.695014  ok 31 selftests: lkdtm: EXEC_STACK.sh

 4399 02:07:32.699094  # selftests: lkdtm: EXEC_KMALLOC.sh

 4400 02:07:32.700797  # Killed

 4401 02:07:32.706193  # [   55.252004] lkdtm: Performing direct entry EXEC_KMALLOC

 4402 02:07:32.712850  # [   55.263029] lkdtm: attempting ok execution at ffffffff82179910

 4403 02:07:32.719407  # [   55.269868] lkdtm: attempting bad execution at ffff9309c59f3940

 4404 02:07:32.728691  # [   55.276828] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4405 02:07:32.735762  # [   55.291613] BUG: unable to handle page fault for address: ffff9309c59f3940

 4406 02:07:32.745366  # [   55.299579] #PF: supervisor inst<6>[   56.205555] lkdtm: Performing direct entry EXEC_VMALLOC

 4407 02:07:32.752317  <6>[   56.217071] lkdtm: attempting ok execution at ffffffff82179910

 4408 02:07:32.759071  <6>[   56.223904] lkdtm: attempting bad execution at ffffa6d6c0361000

 4409 02:07:32.768188  <2>[   56.230833] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4410 02:07:32.775901  <1>[   56.239472] BUG: unable to handle page fault for address: ffffa6d6c0361000

 4411 02:07:32.782761  <1>[   56.247432] #PF: supervisor instruction fetch in kernel mode

 4412 02:07:32.789622  <1>[   56.254030] #PF: error_code(0x0011) - permissions violation

 4413 02:07:32.798235  <6>[   56.260536] PGD 100000067 P4D 100000067 PUD 100231067 PMD 100958067 PTE 8000000105be0063

 4414 02:07:32.802852  <4>[   56.269875] Oops: 0011 [#8] SMP PTI

 4415 02:07:32.811378  <4>[   56.274061] CPU: 2 PID: 1649 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4416 02:07:32.818349  <4>[   56.282990] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4417 02:07:32.823237  <4>[   56.289888] RIP: 0010:0xffffa6d6c0361000

 4418 02:07:32.831244  <4>[   56.294555] Code: Unable to access opcode bytes at RIP 0xffffa6d6c0360fd6.

 4419 02:07:32.837923  <4>[   56.302509] RSP: 0018:ffffa6d6c214fe38 EFLAGS: 00010246

 4420 02:07:32.845227  <4>[   56.308628] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4421 02:07:32.853780  <4>[   56.316873] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70

 4422 02:07:32.861547  <4>[   56.325120] RBP: ffffa6d6c0361000 R08: 0000000000000000 R09: 0000000000000000

 4423 02:07:32.870322  <4>[   56.333363] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4424 02:07:32.878479  <4>[   56.341610] R13: ffffa6d6c214ff10 R14: ffffa6d6c214ff10 R15: ffff9309c5be0000

 4425 02:07:32.887758  <4>[   56.349858] FS:  00007f9cb54a3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 4426 02:07:32.894932  <4>[   56.359175] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4427 02:07:32.903370  <4>[   56.365873] CR2: ffffa6d6c0360fd6 CR3: 0000000105ea2000 CR4: 00000000003506e0

 4428 02:07:32.905796  <4>[   56.374122] Call Trace:

 4429 02:07:32.910386  <4>[   56.377150]  ? __die_body.cold+0x1a/0x1f

 4430 02:07:32.914761  <4>[   56.381820]  ? no_context+0x177/0x380

 4431 02:07:32.919794  <4>[   56.386202]  ? exc_page_fault+0xd7/0x170

 4432 02:07:32.924362  <4>[   56.390870]  ? asm_exc_page_fault+0x1e/0x30

 4433 02:07:32.930583  <4>[   56.395837]  ? execute_location+0x48/0x56

 4434 02:07:32.934054  <4>[   56.400600]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4435 02:07:32.939204  <4>[   56.405557]  ? direct_entry.cold+0x2c/0x38

 4436 02:07:32.943849  <4>[   56.410421]  ? full_proxy_write+0x56/0x80

 4437 02:07:32.948521  <4>[   56.415187]  ? vfs_write+0xea/0x3b0

 4438 02:07:32.952208  <4>[   56.419370]  ? ksys_write+0x68/0xf0

 4439 02:07:32.956884  <4>[   56.423554]  ? do_syscall_64+0x33/0x40

 4440 02:07:32.962780  <4>[   56.428034]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4441 02:07:32.966218  ruction fetch in kernel mode

 4442 02:07:33.008801  # [   55.306183] #PF: error_code(0<4>[   56.434163] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4443 02:07:33.012952  <4>[   56.480367] CR2: ffffa6d6c0361000

 4444 02:07:33.018597  <4>[   56.484358] ---[ end trace bf7d0a621a4c6668 ]---

 4445 02:07:33.022490  <4>[   56.489788] RIP: 0010:lkdtm_BUG+0x5/0x10

 4446 02:07:33.044386  <4>[   56.494443] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 4447 02:07:33.050349  <4>[   56.515663] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 4448 02:07:33.058469  <4>[   56.521780] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 4449 02:07:33.067367  <4>[   56.530026] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 4450 02:07:33.075210  <4>[   56.538274] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 4451 02:07:33.083443  <4>[   56.546528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4452 02:07:33.091963  <4>[   56.554782] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 4453 02:07:33.101475  <4>[   56.563042] FS:  00007f9cb54a3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 4454 02:07:33.107516  <4>[   56.572357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4455 02:07:33.116067  <4>[   56.579053] CR2: ffffa6d6c0360fd6 CR3: 0000000105ea2000 CR4: 00000000003506e0

 4456 02:07:33.126077  <3>[   56.587299] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4457 02:07:33.135185  <3>[   56.597493] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1649, name: cat

 4458 02:07:33.139713  <4>[   56.606221] INFO: lockdep is turned off.

 4459 02:07:33.143179  <4>[   56.610883] irq event stamp: 0

 4460 02:07:33.150628  <4>[   56.614578] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4461 02:07:33.160680  <4>[   56.621856] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 4462 02:07:33.169607  <4>[   56.631274] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 4463 02:07:33.176403  <4>[   56.640701] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4464 02:07:33.185430  <4>[   56.647988] CPU: 2 PID: 1649 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4465 02:07:33.192825  <4>[   56.656928] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4466 02:07:33.195328  <4>[   56.663824] Call Trace:

 4467 02:07:33.199495  <4>[   56.666853]  dump_stack+0x77/0x9b

 4468 02:07:33.204705  <4>[   56.670851]  ___might_sleep.cold+0xa6/0xb6

 4469 02:07:33.208409  <4>[   56.675725]  exit_signals+0x1c/0x300

 4470 02:07:33.212181  <4>[   56.680008]  do_exit+0xc2/0xab0

 4471 02:07:33.216795  <4>[   56.683804]  ? ksys_write+0x68/0xf0

 4472 02:07:33.220885  <4>[   56.687993]  make_task_dead+0x2f/0x30

 4473 02:07:33.226230  <4>[   56.692375]  rewind_stack_and_make_dead+0x17/0x20

 4474 02:07:33.231276  <4>[   56.697919] RIP: 0033:0x7f9cb53b9473

 4475 02:07:33.252477  <4>[   56.702204] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4476 02:07:33.261338  <4>[   56.723463] RSP: 002b:00007ffde248ca18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4477 02:07:33.269571  <4>[   56.732215] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f9cb53b9473

 4478 02:07:33.277748  <4>[   56.740480] RDX: 000000000000000d RSI: 00007f9cb52ad000 RDI: 0000000000000001

 4479 02:07:33.285829  <4>[   56.748740] RBP: 00007f9cb52ad000 R08: 00007f9cb52ac010 R09: 0000000000000000

 4480 02:07:33.293929  <4>[   56.756997] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4481 02:07:33.302716  <4>[   56.765258] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4482 02:07:33.305184  x0011) - permissions violation

 4483 02:07:33.314086  # [   55.312687] PGD 77e01067 P4D 77e01067 PUD 100875063 PMD 10005c063 PTE 80000001059f3063

 4484 02:07:33.318036  # [   55.328011] Oops: 0011 [#7] SMP PTI

 4485 02:07:33.327054  # [   55.332197] CPU: 2 PID: 1613 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4486 02:07:33.333973  # [   55.347239] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4487 02:07:33.338476  # [   55.354138] RIP: 0010:0xffff9309c59f3940

 4488 02:07:33.359573  # [   55.358807] Code: 00 00 02 00 00 00 00 00 00 00 00 36 9f c5 09 93 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef 6f 81 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4489 02:07:33.365473  # [   55.380039] RSP: 0018:ffffa6d6c20c7e38 EFLAGS: 00010246

 4490 02:07:33.375027  # [   55.386148] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4491 02:07:33.381528  # [   55.394404] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70

 4492 02:07:33.390452  # [   55.402656] RBP: ffff9309c59f3940 R08: 0000000000000000 R09: 0000000000000000

 4493 02:07:33.398803  # [   55.410897] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4494 02:07:33.407360  # [   55.419139] R13: ffffa6d6c20c7f10 R14: ffffa6d6c20c7f10 R15: ffff9309c33a8000

 4495 02:07:33.415572  # [   55.427380] FS:  00007f8561ce3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 4496 02:07:33.422298  # [   55.436697] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4497 02:07:33.431497  # [   55.443394] CR2: ffff9309c59f3940 CR3: 0000000102b38000 CR4: 00000000003506e0

 4498 02:07:33.433967  # [   55.451639] Call Trace:

 4499 02:07:33.438199  # [   55.454671]  ? __die_body.cold+0x1a/0x1f

 4500 02:07:33.442586  # [   55.459340]  ? no_context+0x177/0x380

 4501 02:07:33.447164  # [   55.463726]  ? exc_page_fault+0xd7/0x170

 4502 02:07:33.451828  # [   55.468399]  ? asm_exc_page_fault+0x1e/0x30

 4503 02:07:33.456917  # [   55.473369]  ? execute_location+0x48/0x56

 4504 02:07:33.460903  # [   55.478129]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 4505 02:07:33.465722  # [   55.483090]  ? direct_entry.cold+0x2c/0x38

 4506 02:07:33.471080  # [   55.487955]  ? full_proxy_write+0x56/0x80

 4507 02:07:33.474546  # [   55.492720]  ? vfs_write+0xea/0x3b0

 4508 02:07:33.478570  # [   55.496904]  ? ksys_write+0x68/0xf0

 4509 02:07:33.483414  # [   55.501090]  ? do_syscall_64+0x33/0x40

 4510 02:07:33.488824  # [   55.505560]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4511 02:07:33.528910  # [   55.511689] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4512 02:07:33.533361  # [   55.557892] CR2: ffff9309c59f3940

 4513 02:07:33.538220  # [   55.561880] ---[ end trace bf7d0a621a4c6667 ]---

 4514 02:07:33.542559  # [   55.567322] RIP: 0010:lkdtm_BUG+0x5/0x10

 4515 02:07:33.563946  # [   55.571993] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 4516 02:07:33.570080  # [   55.593252] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 4517 02:07:33.578926  # [   55.599369] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 4518 02:07:33.586537  # [   55.607618] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 4519 02:07:33.594126  # [   55.615871] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 4520 02:07:33.603854  # [   55.624128] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4521 02:07:33.610354  # [   55.632378] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 4522 02:07:33.620490  # [   55.640629] FS:  00007f8561ce3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 4523 02:07:33.631260  # [   55.649954] CS:  0010 DS: 0000 ES: 0000 CR0: 0000<6>[   57.093190] lkdtm: Performing direct entry EXEC_RODATA

 4524 02:07:33.637915  <6>[   57.102409] lkdtm: attempting ok execution at ffffffff82179910

 4525 02:07:33.644658  <6>[   57.109230] lkdtm: attempting bad execution at ffffffff8317ece0

 4526 02:07:33.646313  00<0080050033

 4527 02:07:33.659765  # [   55.656658] CR2: ffff9309c59f3940 CR3: 0000002>[   57.116176] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4528 02:07:33.668341  <1>[   57.131021] BUG: unable to handle page fault for address: ffffffff8317ece0

 4529 02:07:33.675211  <1>[   57.138970] #PF: supervisor instruction fetch in kernel mode

 4530 02:07:33.680483  <1>[   57.145567] #PF: error_code(0x0011) - permissions violation

 4531 02:07:33.688663  <6>[   57.152067] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 8000000075c001e1 

 4532 02:07:33.692336  <4>[   57.159846] Oops: 0011 [#9] SMP PTI

 4533 02:07:33.696197  <40102b38000 CR4: 00000000003506e0

 4534 02:07:33.707651  # [   55.664915] BUG: sleepin>[   57.164028] CPU: 2 PID: 1685 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4535 02:07:33.714802  <4>[   57.179057] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4536 02:07:33.726694   f<unction called from invalid context at include/linux/percpu-rw4>[   57.185953] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4537 02:07:33.748390  <4>[   57.198174] Code: ff ff f0 eb 80 82 ff ff ff ff 6a 91 5f 83 ff ff ff ff 36 d3 80 82 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 <e9> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69

 4538 02:07:33.754267  <4>[   57.219421] RSP: 0018:ffffa6d6c21efe48 EFLAGS: 00010246

 4539 02:07:33.762260  <4>[   57.225547] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4540 02:07:33.771550  <4>[   57.233801] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70

 4541 02:07:33.778863  <4>[   57.242060] RBP: ffffffff8317ece0 R08: 0000000000000000 R09: 0000000000000000

 4542 02:07:33.787249  <4>[   57.250320] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4543 02:07:33.795334  <4>[   57.258581] R13: ffffa6d6c21eff10 R14: ffffa6d6c21eff10 R15: ffff9309c5cc3000

 4544 02:07:33.805131  <4>[   57.266840] FS:  00007ff6d82b4580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 4545 02:07:33.811416  <4>[   57.276168] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4546 02:07:33.820092  <4>[   57.282872] CR2: ffffffff8317ece0 CR3: 0000000103e12000 CR4: 00000000003506e0

 4547 02:07:33.823342  <4>[   57.291127] Call Trace:

 4548 02:07:33.829799  <4>[   57.294161]  ? __die_body.cold+0x1a/0x1f

 4549 02:07:33.832050  <4>[   57.298840]  ? no_context+0x177/0x380

 4550 02:07:33.836417  <4>[   57.303231]  ? exc_page_fault+0xd7/0x170

 4551 02:07:33.841325  <4>[   57.307908]  ? asm_exc_page_fault+0x1e/0x30

 4552 02:07:33.846501  <4>[   57.312891]  ? execute_location+0x48/0x56

 4553 02:07:33.852004  <4>[   57.317662]  ? direct_entry.cold+0x2c/0x38

 4554 02:07:33.855807  <4>[   57.322530]  ? full_proxy_write+0x56/0x80

 4555 02:07:33.860267  <4>[   57.327300]  ? vfs_write+0xea/0x3b0

 4556 02:07:33.864492  <4>[   57.331484]  ? ksys_write+0x68/0xf0

 4557 02:07:33.868335  <4>[   57.335672]  ? do_syscall_64+0x33/0x40

 4558 02:07:33.874959  <4>[   57.340151]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4559 02:07:33.875851  sem.h:49

 4560 02:07:33.920887  # [   55.675106] in_atomic(): 0, irqs_disabled(): 1, n<4>[   57.346278] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4561 02:07:33.924757  <4>[   57.392473] CR2: ffffffff8317ece0

 4562 02:07:33.930675  <4>[   57.396453] ---[ end trace bf7d0a621a4c6669 ]---

 4563 02:07:33.935282  <4>[   57.401901] RIP: 0010:lkdtm_BUG+0x5/0x10

 4564 02:07:33.956593  <4>[   57.406571] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 4565 02:07:33.962625  <4>[   57.427815] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 4566 02:07:33.970942  <4>[   57.433922] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 4567 02:07:33.978890  <4>[   57.442167] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 4568 02:07:33.987707  <4>[   57.450409] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 4569 02:07:33.995964  <4>[   57.458654] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4570 02:07:34.004023  <4>[   57.466895] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 4571 02:07:34.013388  <4>[   57.475141] FS:  00007ff6d82b4580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 4572 02:07:34.019726  <4>[   57.484453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4573 02:07:34.028208  <4>[   57.491151] CR2: ffffffff8317ece0 CR3: 0000000103e12000 CR4: 00000000003506e0

 4574 02:07:34.031661  on_block: 0, pid: 1613, name: cat

 4575 02:07:34.036679  # [   55.683832] INFO: lockdep is turned off.

 4576 02:07:34.039892  # [   55.688495] irq event stamp: 0

 4577 02:07:34.046747  # [   55.692194] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4578 02:07:34.055688  # [   55.699483] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 4579 02:07:34.065367  # [   55.708910] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 4580 02:07:34.072275  # [   55.718330] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4581 02:07:34.081452  # [   55.725610] CPU: 2 PID: 1613 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4582 02:07:34.088103  # [   55.734545] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4583 02:07:34.091206  # [   55.741439] Call Trace:

 4584 02:07:34.094419  # [   55.744465]  dump_stack+0x77/0x9b

 4585 02:07:34.099754  # [   55.748462]  ___might_sleep.cold+0xa6/0xb6

 4586 02:07:34.104577  # [   55.753336]  exit_signals+0x1c/0x300

 4587 02:07:34.107578  # [   55.757618]  do_exit+0xc2/0xab0

 4588 02:07:34.111537  # [   55.761417]  ? ksys_write+0x68/0xf0

 4589 02:07:34.115720  # [   55.765607]  make_task_dead+0x2f/0x30

 4590 02:07:34.121249  # [   55.769994]  rewind_stack_and_make_dead+0x17/0x20

 4591 02:07:34.125429  # [   55.775541] RIP: 0033:0x7f8561bf9473

 4592 02:07:34.146625  # [   55.779829] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4593 02:07:34.155339  # [   55.801082] RSP: 002b:00007fff004e15b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4594 02:07:34.164149  # [   55.809823] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8561bf9473

 4595 02:07:34.171906  # [   55.818085] RDX: 000000000000000d RSI: 00007f8561aed000 RDI: 0000000000000001

 4596 02:07:34.179662  # [   55.826334] RBP: 00007f8561aed000 R08: 00007f8561aec010 R09: 0000000000000000

 4597 02:07:34.188354  # [   55.834583] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4598 02:07:34.196334  # [   55.842834] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4599 02:07:34.200585  # EXEC_KMALLOC: saw 'call trace:': ok

 4600 02:07:34.203830  ok 32 selftests: lkdtm: EXEC_KMALLOC.sh

 4601 02:07:34.207333  # selftests: lkdtm: EXEC_VMALLOC.sh

 4602 02:07:34.208380  # Killed

 4603 02:07:34.214681  # [   56.205555] lkdtm: Performing direct entry EXEC_VMALLOC

 4604 02:07:34.220688  # [   56.217071] lkdtm: attempting ok execution at ffffffff82179910

 4605 02:07:34.227797  # [   56.223904] lkdtm: attempting bad execution at ffffa6d6c0361000

 4606 02:07:34.236589  # [   56.230833] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4607 02:07:34.245248  # [   56.239472] BUG: unable to handle page fault for address: ffffa6d6c0361000

 4608 02:07:34.251050  # [   56.247432] #PF: supervisor instruction fetch in kernel mode

 4609 02:07:34.257034  # [   56.254030] #PF: error_code(0x0011) - permissions violation

 4610 02:07:34.266369  # [   56.260536] PGD 100000067 P4D 100000067 PUD 100231067 PMD 100958067 PTE 8000000105be0063

 4611 02:07:34.270562  # [   56.269875] Oops: 0011 [#8] SMP PTI

 4612 02:07:34.279408  # [   56.274061] CPU: 2 PID: 1649 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4613 02:07:34.286014  # [   56.282990] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4614 02:07:34.291603  # [   56.289888] RIP: 0010:0xffffa6d6c0361000

 4615 02:07:34.298510  # [   56.294555] Code: Unable to access opcode bytes at RIP 0xffffa6d6c0360fd6.

 4616 02:07:34.304068  # [   56.302509] RSP: 0018:ffffa6d6c214fe38 EFLAGS: 00010246

 4617 02:07:34.313092  # [   56.308628] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4618 02:07:34.320867  # [   56.316873] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70

 4619 02:07:34.329052  # [   56.325120] RBP: ffffa6d6c0361000 R08: 0000000000000000 R09: 0000000000000000

 4620 02:07:34.337136  # [   56.333363] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4621 02:07:34.344677  # [   56.34161<6>[   57.804276] lkdtm: Performing direct entry EXEC_USERSPACE

 4622 02:07:34.358106  0] R13: ffffa6d6c214ff10 R14: ffffa6d6c214ff10 R15: ffff9309c5be<6>[   57.816211] lkdtm: attempting ok execution at ffffffff82179910

 4623 02:07:34.358922  0000

 4624 02:07:34.370903  # [   56.349858] FS:  00007f9cb54a3580(0000) GS:ffff930a3b<6>[   57.829289] lkdtm: attempting bad execution at 00007f73ae1aa000

 4625 02:07:34.377424  <2>[   57.842421] unable to execute userspace code (SMEP?) (uid: 0)

 4626 02:07:34.385302  <1>[   57.849124] BUG: unable to handle page fault for address: 00007f73ae1aa000

 4627 02:07:34.392930  <1>[   57.857078] #PF: supervisor instruction fetch in kernel mode

 4628 02:07:34.398977  <1>[   57.863676] #PF: error_code(0x0011) - permissions violation

 4629 02:07:34.408729  <6>[   57.870188] PGD 8000000104b5a067 P4D 8000000104b5a067 PUD 1045dd067 PMD 1069d6067 PTE 10b9a9067

 4630 02:07:34.413202  <4>[   57.880196] Oops: 0011 [#10] SMP PTI

 4631 02:07:34.422787  <4>[   57.884474] CPU: 0 PID: 1721 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4632 02:07:34.428777  <4>[   57.893399] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4633 02:07:34.433061  <4>[   57.900300] RIP: 0010:0x7f73ae1aa000

 4634 02:07:34.440512  <4>[   57.904571] Code: Unable to access opcode bytes at RIP 0x7f73ae1a9fd6.

 4635 02:07:34.447578  <4>[   57.912137] RSP: 0018:ffffa6d6c228fe50 EFLAGS: 00010246

 4636 02:07:34.450589  d00000(0000) knlGS:0000000000000000

 4637 02:07:34.461311  # [   56.359175] CS:  0010 <4>[   57.918253] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4638 02:07:34.469651  <4>[   57.932692] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70

 4639 02:07:34.478287  <4>[   57.940940] RBP: 00007f73ae1aa000 R08: 0000000000000000 R09: 0000000000000000

 4640 02:07:34.486982  <4>[   57.949187] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 4641 02:07:34.494686  <4>[   57.957430] R13: ffffa6d6c228ff10 R14: ffffa6d6c228ff10 R15: ffff9309c5f8a000

 4642 02:07:34.503761  <4>[   57.965682] FS:  00007f73ae17b580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 4643 02:07:34.510272  <4>[   57.974998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4644 02:07:34.518577  <4>[   57.981696] CR2: 00007f73ae1aa000 CR3: 0000000105c22000 CR4: 00000000003506f0

 4645 02:07:34.521943  <4>[   57.989946] Call Trace:

 4646 02:07:34.526562  <4>[   57.992976]  ? __die_body.cold+0x1a/0x1f

 4647 02:07:34.530484  <4>[   57.997651]  ? no_context+0x177/0x380

 4648 02:07:34.536069  <4>[   58.002035]  ? exc_page_fault+0x53/0x170

 4649 02:07:34.540709  <4>[   58.006700]  ? asm_exc_page_fault+0x1e/0x30

 4650 02:07:34.546133  <4>[   58.011669]  ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae

 4651 02:07:34.551096  <4>[   58.017303]  ? direct_entry.cold+0x2c/0x38

 4652 02:07:34.555844  <4>[   58.022155]  ? full_proxy_write+0x56/0x80

 4653 02:07:34.559682  <4>[   58.026925]  ? vfs_write+0xea/0x3b0

 4654 02:07:34.564747  <4>[   58.031110]  ? ksys_write+0x68/0xf0

 4655 02:07:34.568303  <4>[   58.035304]  ? do_syscall_64+0x33/0x40

 4656 02:07:34.574387  <4>[   58.039777]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4657 02:07:34.578502  DS: 0000 ES: 0000 CR0: 0000000080050033

 4658 02:07:34.622022  # [   56.365873] CR2: f<4>[   58.045892] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4659 02:07:34.624473  <4>[   58.092127] CR2: 00007f73ae1aa000

 4660 02:07:34.630330  <4>[   58.096113] ---[ end trace bf7d0a621a4c666a ]---

 4661 02:07:34.635241  <4>[   58.101555] RIP: 0010:lkdtm_BUG+0x5/0x10

 4662 02:07:34.656278  <4>[   58.106218] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 4663 02:07:34.662429  <4>[   58.127431] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 4664 02:07:34.670779  <4>[   58.133537] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 4665 02:07:34.678791  <4>[   58.141780] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 4666 02:07:34.687064  <4>[   58.150030] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 4667 02:07:34.695442  <4>[   58.158290] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4668 02:07:34.704592  <4>[   58.166550] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 4669 02:07:34.712728  <4>[   58.174809] FS:  00007f73ae17b580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 4670 02:07:34.719402  <4>[   58.184133] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4671 02:07:34.727718  <4>[   58.190841] CR2: 00007f73ae1aa000 CR3: 0000000105c22000 CR4: 00000000003506f0

 4672 02:07:34.737997  <3>[   58.199098] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4673 02:07:34.746336  <3>[   58.209289] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1721, name: cat

 4674 02:07:34.751458  <4>[   58.218031] INFO: lockdep is turned off.

 4675 02:07:34.755057  <4>[   58.222697] irq event stamp: 0

 4676 02:07:34.762445  <4>[   58.226399] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4677 02:07:34.772049  <4>[   58.233686] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 4678 02:07:34.781178  <4>[   58.243111] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 4679 02:07:34.788633  <4>[   58.252525] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4680 02:07:34.798103  <4>[   58.259816] CPU: 0 PID: 1721 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4681 02:07:34.804558  <4>[   58.268758] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4682 02:07:34.807129  <4>[   58.275662] Call Trace:

 4683 02:07:34.812176  <4>[   58.278692]  dump_stack+0x77/0x9b

 4684 02:07:34.815857  <4>[   58.282684]  ___might_sleep.cold+0xa6/0xb6

 4685 02:07:34.820549  <4>[   58.287543]  exit_signals+0x1c/0x300

 4686 02:07:34.824036  <4>[   58.291825]  do_exit+0xc2/0xab0

 4687 02:07:34.828611  <4>[   58.295626]  ? ksys_write+0x68/0xf0

 4688 02:07:34.833073  <4>[   58.299809]  make_task_dead+0x2f/0x30

 4689 02:07:34.838777  <4>[   58.304193]  rewind_stack_and_make_dead+0x17/0x20

 4690 02:07:34.842477  <4>[   58.309736] RIP: 0033:0x7f73ae091473

 4691 02:07:34.864379  <4>[   58.314017] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4692 02:07:34.872675  <4>[   58.335269] RSP: 002b:00007ffd67a3fd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4693 02:07:34.878429  fffa6d6c0360fd6 CR3: 0000000105ea2000 CR4: 00000000003506e0

 4694 02:07:34.887276  # [<4>[   58.344005] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f73ae091473

 4695 02:07:34.895286  <4>[   58.358467] RDX: 000000000000000f RSI: 00007f73adf85000 RDI: 0000000000000001

 4696 02:07:34.903582  <4>[   58.366722] RBP: 00007f73adf85000 R08: 00007f73adf84010 R09: 0000000000000000

 4697 02:07:34.912047  <4>[   58.374981] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4698 02:07:34.920669  <4>[   58.383243] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4699 02:07:34.922842     56.374122] Call Trace:

 4700 02:07:34.927945  # [   56.377150]  ? __die_body.cold+0x1a/0x1f

 4701 02:07:34.931558  # [   56.381820]  ? no_context+0x177/0x380

 4702 02:07:34.936266  # [   56.386202]  ? exc_page_fault+0xd7/0x170

 4703 02:07:34.941317  # [   56.390870]  ? asm_exc_page_fault+0x1e/0x30

 4704 02:07:34.945847  # [   56.395837]  ? execute_location+0x48/0x56

 4705 02:07:34.950657  # [   56.400600]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4706 02:07:34.954914  # [   56.405557]  ? direct_entry.cold+0x2c/0x38

 4707 02:07:34.960239  # [   56.410421]  ? full_proxy_write+0x56/0x80

 4708 02:07:34.964341  # [   56.415187]  ? vfs_write+0xea/0x3b0

 4709 02:07:34.969039  # [   56.419370]  ? ksys_write+0x68/0xf0

 4710 02:07:34.972464  # [   56.423554]  ? do_syscall_64+0x33/0x40

 4711 02:07:34.978690  # [   56.428034]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4712 02:07:35.018890  # [   56.434163] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4713 02:07:35.022418  # [   56.480367] CR2: ffffa6d6c0361000

 4714 02:07:35.028059  # [   56.484358] ---[ end trace bf7d0a621a4c6668 ]---

 4715 02:07:35.032100  # [   56.489788] RIP: 0010:lkdtm_BUG+0x5/0x10

 4716 02:07:35.053257  # [   56.494443] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 4717 02:07:35.059522  # [   56.515663] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 4718 02:07:35.067910  # [   56.521780] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 4719 02:07:35.075954  # [   56.530026] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 4720 02:07:35.083964  # [   56.538274] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 4721 02:07:35.092141  # [   56.546528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4722 02:07:35.099883  # [   56.554782] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 4723 02:07:35.109875  # [   56.563042] FS:  00007f9cb54a3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 4724 02:07:35.115686  # [   56.572357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4725 02:07:35.124496  # [   56.579053] CR2: ffffa6d6c0360fd6 CR3: 0000000105ea2000 CR4: 00000000003506e0

 4726 02:07:35.134858  # [   56.587299] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4727 02:07:35.143343  # [   56.597493] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1649, name: cat

 4728 02:07:35.147702  # [   56.606221] INFO: lockdep is turned off.

 4729 02:07:35.150978  # [   56.610883] irq event stamp: 0

 4730 02:07:35.158010  # [   56.614578] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4731 02:07:35.167282  # [   56.621856] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 4732 02:07:35.176718  # [   56.631274] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 4733 02:07:35.183653  # [   56.640701] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4734 02:07:35.192545  # [   56.647988] CPU: 2 PID: 1649 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4735 02:07:35.199245  # [   56.656928] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4736 02:07:35.201713  # [   56.663824] Call Trace:

 4737 02:07:35.206435  # [   56.666853]  dump_stack+0x77/0x9b

 4738 02:07:35.210350  # [   56.670851]  ___might_sleep.cold+0xa6/0xb6

 4739 02:07:35.214805  # [   56.675725]  exit_signals+0x1c/0x300

 4740 02:07:35.218745  # [   56.680008]  do_exit+0xc2/0xab0

 4741 02:07:35.222826  # [   56.683804]  ? ksys_write+0x68/0xf0

 4742 02:07:35.226855  # [   56.687993]  make_task_dead+0x2f/0x30

 4743 02:07:35.234025  # [   56.692375]  rewind_stack_and_make_dead+0x17/0x20

 4744 02:07:35.236648  # [   56.697919] RIP: 0033:0x7f9cb53b9473

 4745 02:07:35.257976  # [   56.702204] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4746 02:07:35.266166  # [   56.723463] RSP: 002b:00007ffde248ca18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4747 02:07:35.274345  # [   56.732215] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f9cb53b9473

 4748 02:07:35.282900  # [   56.740480] RDX: 000000000000000d RSI: 00007f9cb52ad000 RDI: 0000000000000001

 4749 02:07:35.291918  # [   56.748740] RBP: 00007f9cb52ad00<6>[   58.756370] lkdtm: Performing direct entry EXEC_NULL

 4750 02:07:35.299510  <6>[   58.763500] lkdtm: attempting ok execution at ffffffff82179910

 4751 02:07:35.306681  <6>[   58.770320] lkdtm: attempting bad execution at 0000000000000000

 4752 02:07:35.314316  <1>[   58.777248] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4753 02:07:35.321145  <1>[   58.785306] #PF: supervisor instruction fetch in kernel mode

 4754 02:07:35.326400  <1>[   58.791896] #PF: error_code(0x0010) - not-present page

 4755 02:07:35.329235  <6>[   58.797920] PGD 0 P4D 0 

 4756 02:07:35.334456  <4>[   58.801042] Oops: 0010 [#11] SMP PTI

 4757 02:07:35.343123  <4>[   58.805314] CPU: 2 PID: 1757 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4758 02:07:35.350462  <4>[   58.814242] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4759 02:07:35.352459  <4>[   58.821145] RIP: 0010:0x0

 4760 02:07:35.361155  <4>[   58.824367] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 4761 02:07:35.367168  <4>[   58.832320] RSP: 0018:ffffa6d6c230fe48 EFLAGS: 00010246

 4762 02:07:35.375148  <4>[   58.838434] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4763 02:07:35.383655  <4>[   58.846677] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70

 4764 02:07:35.391892  <4>[   58.854922] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4765 02:07:35.399882  <4>[   58.863172] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4766 02:07:35.408256  <4>[   58.871412] R13: ffffa6d6c230ff10 R14: ffffa6d6c230ff10 R15: ffff9309c5ffd000

 4767 02:07:35.417864  <4>[   58.879658] FS:  00007fe8ea0f3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 4768 02:07:35.424166  <4>[   58.888966] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4769 02:07:35.432268  <4>[   58.895664] CR2: ffffffffffffffd6 CR3: 0000000103d74000 CR4: 00000000003506e0

 4770 02:07:35.437156  <4>[   58.903922] Call Trace:

 4771 02:07:35.440179  <4>[   58.906953]  ? __die_body.cold+0x1a/0x1f

 4772 02:07:35.444295  <4>[   58.911626]  ? no_context+0x177/0x380

 4773 02:07:35.449372  <4>[   58.916006]  ? exc_page_fault+0x53/0x170

 4774 02:07:35.454697  <4>[   58.920671]  ? asm_exc_page_fault+0x1e/0x30

 4775 02:07:35.458653  <4>[   58.925639]  execute_location+0x48/0x56

 4776 02:07:35.464310  <4>[   58.930210]  direct_entry.cold+0x2c/0x38

 4777 02:07:35.468345  <4>[   58.934877]  full_proxy_write+0x56/0x80

 4778 02:07:35.472966  <0 4R08: 00007f9cb52ac010 R09: 0000000000000000

 4779 02:07:35.478670  # [   56.756997]>[   58.939449]  vfs_write+0xea/0x3b0

 4780 02:07:35.481826  <4>[   58.949545]  ksys_write+0x68/0xf0

 4781 02:07:35.486522  <4>[   58.953537]  do_syscall_64+0x33/0x40

 4782 02:07:35.493334  <4>[   58.957820]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4783 02:07:35.496534  <4>[   58.963745] RIP: 0033:0x7fe8ea009473

 4784 02:07:35.518523  <4>[   58.968015] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4785 02:07:35.527132  <4>[   58.989258] RSP: 002b:00007ffc14a28c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4786 02:07:35.534649  <4>[   58.997992] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe8ea009473

 4787 02:07:35.543604  <4>[   59.006235] RDX: 000000000000000a RSI: 00007fe8e9efd000 RDI: 0000000000000001

 4788 02:07:35.551135  <4>[   59.014481] RBP: 00007fe8e9efd000 R08: 00007fe8e9efc010 R09: 0000000000000000

 4789 02:07:35.560041  <4>[   59.022737] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4790 02:07:35.567575  <4>[   59.030989] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4791 02:07:35.614178  R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000000<4>[   59.039249] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4792 02:07:35.618017  <4>[   59.085485] CR2: 0000000000000000

 4793 02:07:35.624000  <4>[   59.089482] ---[ end trace bf7d0a621a4c666b ]---

 4794 02:07:35.628815  <4>[   59.094939] RIP: 0010:lkdtm_BUG+0x5/0x10

 4795 02:07:35.649337  <4>[   59.099612] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 4796 02:07:35.655270  <4>[   59.120873] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 4797 02:07:35.664250  <4>[   59.126996] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 4798 02:07:35.672110  <4>[   59.135252] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 4799 02:07:35.680231  <4>[   59.143517] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 4800 02:07:35.688547  <4>[   59.151778] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4801 02:07:35.696995  <4>[   59.160036] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 4802 02:07:35.706256  <4>[   59.168292] FS:  00007fe8ea0f3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 4803 02:07:35.713190  <4>[   59.177606] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4804 02:07:35.720918  <4>[   59.184308] CR2: ffffffffffffffd6 CR3: 0000000103d74000 CR4: 00000000003506e0

 4805 02:07:35.722067  1

 4806 02:07:35.729669  # [   56.765258] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4807 02:07:35.734005  # EXEC_VMALLOC: saw 'call trace:': ok

 4808 02:07:35.737073  ok 33 selftests: lkdtm: EXEC_VMALLOC.sh

 4809 02:07:35.741265  # selftests: lkdtm: EXEC_RODATA.sh

 4810 02:07:35.742243  # Killed

 4811 02:07:35.748038  # [   57.093190] lkdtm: Performing direct entry EXEC_RODATA

 4812 02:07:35.754818  # [   57.102409] lkdtm: attempting ok execution at ffffffff82179910

 4813 02:07:35.761609  # [   57.109230] lkdtm: attempting bad execution at ffffffff8317ece0

 4814 02:07:35.770351  # [   57.116176] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4815 02:07:35.777546  # [   57.131021] BUG: unable to handle page fault for address: ffffffff8317ece0

 4816 02:07:35.784275  # [   57.138970] #PF: supervisor instruction fetch in kernel mode

 4817 02:07:35.790554  # [   57.145567] #PF: error_code(0x0011) - permissions violation

 4818 02:07:35.798060  # [   57.152067] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 8000000075c001e1 

 4819 02:07:35.802449  # [   57.159846] Oops: 0011 [#9] SMP PTI

 4820 02:07:35.810962  # [   57.164028] CPU: 2 PID: 1685 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4821 02:07:35.817684  # [   57.179057] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4822 02:07:35.823706  # [   57.185953] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4823 02:07:35.845284  # [   57.198174] Code: ff ff f0 eb 80 82 ff ff ff ff 6a 91 5f 83 ff ff ff ff 36 d3 80 82 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 <e9> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69

 4824 02:07:35.850787  # [   57.219421] RSP: 0018:ffffa6d6c21efe48 EFLAGS: 00010246

 4825 02:07:35.859103  # [   57.225547] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4826 02:07:35.867267  # [   57.233801] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70

 4827 02:07:35.875631  # [   57.242060] RBP: ffffffff8317ece0 R08: 0000000000000000 R09: 0000000000000000

 4828 02:07:35.884167  # [   57.250320] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4829 02:07:35.891641  # [   57.258581] R13: ffffa6d6c21eff10 R14: ffffa6d6c21eff10 R15: ffff9309c5cc3000

 4830 02:07:35.901414  # [   57.266840] FS:  00007ff6d82b4580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 4831 02:07:35.908169  # [   57.276168] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4832 02:07:35.915698  # [   57.282872] CR2: ffffffff8317ece0 CR3: 0000000103e12000 CR4: 00000000003506e0

 4833 02:07:35.919563  # [   57.291127] Call Trace:

 4834 02:07:35.923156  # [   57.294161]  ? __die_body.cold+0x1a/0x1f

 4835 02:07:35.927082  # [   57.298840]  ? no_context+0x177/0x380

 4836 02:07:35.931568  # [   57.303231]  ? exc_page_fault+0xd7/0x170

 4837 02:07:35.936409  # [   57.307908]  ? asm_exc_page_fault+0x1e/0x30

 4838 02:07:35.941528  # [   57.312891]  ? execute_location+0x48/0x56

 4839 02:07:35.947076  # [   57.317662]  ? direct_entry.cold+0x2c/0x38

 4840 02:07:35.950726  # [   57.322530]  ? full_proxy_write+0x56/0x80

 4841 02:07:35.954782  # [   57.327300]  ? vfs_write+0xea/0x3b0

 4842 02:07:35.958819  # [   57.331484]  ? ksys_write+0x68/0xf0

 4843 02:07:35.963605  # [   57.335672]  ? do_syscall_64+0x33/0x40

 4844 02:07:35.969273  # [   57.340151]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4845 02:07:36.009241  # [   57.346278] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4846 02:07:36.012710  # [   57.392473] CR2: ffffffff8317ece0

 4847 02:07:36.017998  # [   57.396453] ---[ end trace bf7d0a621a4c6669 ]---

 4848 02:07:36.022921  # [   57.401901] RIP: 0010:lkdtm_BUG+0x5/0x10

 4849 02:07:36.037304  # [   57.406571] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff<6>[   59.501625] lkdtm: Performing direct entry ACCESS_USERSPACE

 4850 02:07:36.050210   ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f<6>[   59.509165] lkdtm: attempting bad read at 00007f6b7f85a000

 4851 02:07:36.064684  > 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02<1>[   59.521779] BUG: unable to handle page fault for address: 00007f6b7f85a000

 4852 02:07:36.070238  <1>[   59.535885] #PF: supervisor read access in kernel mode

 4853 02:07:36.076931  <1>[   59.541901] #PF: error_code(0x0001) - permissions violation

 4854 02:07:36.087072  <6>[   59.548402] PGD 8000000105e33067 P4D 8000000105e33067 PUD 102df9067 PMD 106a51067 PTE 10b748067

 4855 02:07:36.091791  <4>[   59.558410] Oops: 0001 [#12] SMP PTI

 4856 02:07:36.100143  <4>[   59.562687] CPU: 3 PID: 1792 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4857 02:07:36.107426  <4>[   59.571606] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4858 02:07:36.113834  <4>[   59.578505] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4859 02:07:36.135016  <4>[   59.585010] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 88 9e 5f 83 e8 ef d7 fb ff 48 c7 c7 b0 9e 5f 83 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 d6 d7 fb ff 48 89 ee 48 c7 c7 d8 9e 5f

 4860 02:07:36.141138  <4>[   59.606229] RSP: 0018:ffffa6d6c238fe48 EFLAGS: 00010246

 4861 02:07:36.149284  <4>[   59.612345] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000

 4862 02:07:36.157638  <4>[   59.620590] RDX: 0000000000000000 RSI: ffff930a3bd9bf70 RDI: ffffffff835f9eb0

 4863 02:07:36.166083  <4>[   59.628834] RBP: 00007f6b7f85a000 R08: 0000000000000000 R09: 0000000000000000

 4864 02:07:36.174396  <4>[   59.637076] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011

 4865 02:07:36.181942  <4>[   59.645320] R13: ffffa6d6c238ff10 R14: ffffa6d6c238ff10 R15: ffff9309c5199000

 4866 02:07:36.191095  <4>[   59.653562] FS:  00007f6b7f82b580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 4867 02:07:36.198095  <4>[   59.662870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4868 02:07:36.206634  <4>[   59.669569] CR2: 00007f6b7f85a000 CR3: 000000010457c000 CR4: 00000000003506e0

 4869 02:07:36.210320  <4>[   59.677811] Call Trace:

 4870 02:07:36.214956  <4>[   59.680843]  ? __die_body.cold+0x1a/0x1f

 4871 02:07:36.219088  <4>[   59.685515]  ? no_context+0x177/0x380

 4872 02:07:36.222946  <4>[   59.689896]  ? exc_page_fault+0x53/0x170

 4873 02:07:36.229315  <4>[   59.694563]  ? asm_exc_page_fault+0x1e/0x30

 4874 02:07:36.233909  <4>[   59.699528]  ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4875 02:07:36.240809  <4>[   59.705354]  ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3

 4876 02:07:36.244414  <4>[   59.711177]  direct_entry.cold+0x2c/0x38

 4877 02:07:36.249247  <4>[   59.715844]  full_proxy_write+0x56/0x80

 4878 02:07:36.253219  <4>[   59.720413]  vfs_write+0xea/0x3b0

 4879 02:07:36.257675  <4>[   59.724400]  ksys_write+0x68/0xf0

 4880 02:07:36.261464  <4>[   59.728395]  do_syscall_64+0x33/0x40

 4881 02:07:36.267129  <4>[   59.732672]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4882 02:07:36.271395  <4>[   59.738591] RIP: 0033:0x7f6b7f741473

 4883 02:07:36.292773  <4>[   59.742870] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4884 02:07:36.301600  <4>[   59.764081] RSP: 002b:00007ffd2a9b1c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4885 02:07:36.309618  <4>[   59.772811] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f6b7f741473

 4886 02:07:36.318197  <4>[   59.781055] RDX: 0000000000000011 RSI: 00007f6b7f635000 RDI: 0000000000000001

 4887 02:07:36.326222  <4>[   59.789300] RBP: 00007f6b7f635000 R08: 00007f6b7f634010 R09: 0000000000000000

 4888 02:07:36.334714  <4>[   59.797548] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4889 02:07:36.342403  <4>[   59.805796] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4890 02:07:36.383523  <4>[   59.814056] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4891 02:07:36.386908  <4>[   59.854093] CR2: 00007f6b7f85a000

 4892 02:07:36.392266  <4>[   59.858076] ---[ end trace bf7d0a621a4c666c ]---

 4893 02:07:36.397168  <4>[   59.863523] RIP: 0010:lkdtm_BUG+0x5/0x10

 4894 02:07:36.417976  <4>[   59.868192] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 4895 02:07:36.424109  <4>[   59.889412] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 4896 02:07:36.432595  <4>[   59.895530] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 4897 02:07:36.440654  <4>[   59.903786] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 4898 02:07:36.449903  <4>[   59.912039] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 4899 02:07:36.458182  <4>[   59.920299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4900 02:07:36.465456  <4>[   59.928549] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 4901 02:07:36.474311  <4>[   59.936792] FS:  00007f6b7f82b580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 4902 02:07:36.481433  <4>[   59.946104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4903 02:07:36.489517  <4>[   59.952800] CR2: 00007f6b7f85a000 CR3: 000000010457c000 CR4: 00000000003506e0

 4904 02:07:36.500011  <3>[   59.961047] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4905 02:07:36.509172  <3>[   59.971237] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1792, name: cat

 4906 02:07:36.513099  <4>[   59.979967] INFO: lockdep is turned off.

 4907 02:07:36.516700  <4>[   59.984629] irq event stamp: 0

 4908 02:07:36.524528  <4>[   59.988325] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4909 02:07:36.533959  <4>[   59.995607] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 4910 02:07:36.543248  <4>[   60.005023] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 4911 02:07:36.550172  <4>[   60.014430] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4912 02:07:36.559466  <4>[   60.021707] CPU: 3 PID: 1792 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4913 02:07:36.566183  <4>[   60.030628] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4914 02:07:36.569380  <4>[   60.037513] Call Trace:

 4915 02:07:36.572882  <4>[   60.040533]  dump_stack+0x77/0x9b

 4916 02:07:36.578047  <4>[   60.044519]  ___might_sleep.cold+0xa6/0xb6

 4917 02:07:36.582643  <4>[   60.049381]  exit_signals+0x1c/0x300

 4918 02:07:36.586025  <4>[   60.053662]  do_exit+0xc2/0xab0

 4919 02:07:36.590241  <4>[   60.057447]  ? ksys_write+0x68/0xf0

 4920 02:07:36.594554  <4>[   60.061619]  make_task_dead+0x2f/0x30

 4921 02:07:36.600463  <4>[   60.065995]  rewind_stack_and_make_dead+0x17/0x20

 4922 02:07:36.604680  <4>[   60.071530] RIP: 0033:0x7f6b7f741473

 4923 02:07:36.625931  <4>[   60.075809] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4924 02:07:36.634578  <4>[   60.097036] RSP: 002b:00007ffd2a9b1c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4925 02:07:36.642503  <4>[   60.105766] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f6b7f741473

 4926 02:07:36.650777  <4>[   60.114010] RDX: 0000000000000011 RSI: 00007f6b7f635000 RDI: 0000000000000001

 4927 02:07:36.659766  <4>[   60.122256] RBP: 00007f6b7f635000 R08: 00007f6b7f634010 R09: 0000000000000000

 4928 02:07:36.668053  <4>[   60.130505] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4929 02:07:36.675448  <4>[   60.138757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4930 02:07:36.676418  

 4931 02:07:36.681838  # [   57.427815] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 4932 02:07:36.689966  # [   57.433922] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 4933 02:07:36.697831  # [   57.442167] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 4934 02:07:36.706712  # [   57.450409] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 4935 02:07:36.714258  # [   57.458654] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4936 02:07:36.722391  # [   57.466895] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 4937 02:07:36.732105  # [   57.475141] FS:  00007ff6d82b4580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 4938 02:07:36.738670  # [   57.484453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4939 02:07:36.746739  # [   57.491151] CR2: ffffffff8317ece0 CR3: 0000000103e12000 CR4: 00000000003506e0

 4940 02:07:36.750690  # EXEC_RODATA: saw 'call trace:': ok

 4941 02:07:36.755500  ok 34 selftests: lkdtm: EXEC_RODATA.sh

 4942 02:07:36.757689  # selftests: lkdtm: EXEC_USERSPACE.sh

 4943 02:07:36.760029  # Killed

 4944 02:07:36.765621  # [   57.804276] lkdtm: Performing direct entry EXEC_USERSPACE

 4945 02:07:36.772020  # [   57.816211] lkdtm: attempting ok execution at ffffffff82179910

 4946 02:07:36.778841  # [   57.829289] lkdtm: attempting bad execution at 00007f73ae1aa000

 4947 02:07:36.785012  # [   57.842421] unable to execute userspace code (SMEP?) (uid: 0)

 4948 02:07:36.792599  # [   57.849124] BUG: unable to handle page fault for address: 00007f73ae1aa000

 4949 02:07:36.799643  # [   57.857078] #PF: supervisor instruction fetch in kernel mode

 4950 02:07:36.805764  # [   57.863676] #PF: error_code(0x0011) - permissions violation

 4951 02:07:36.815912  # [   57.870188] PGD 8000000104b5a067 P4D 8000000104b5a067 PUD 1045dd067 PMD 1069d6067 PTE 10b9a9067

 4952 02:07:36.820096  # [   57.880196] Oops: 0011 [#10] SMP PTI

 4953 02:07:36.828769  # [   57.884474] CPU: 0 PID: 1721 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4954 02:07:36.835545  # [   57.893399] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4955 02:07:36.839864  # [   57.900300] RIP: 0010:0x7f73ae1aa000

 4956 02:07:36.847614  # [   57.904571] Code: Unable to access opcode bytes at RIP 0x7f73ae1a9fd6.

 4957 02:07:36.853662  # [   57.912137] RSP: 0018:ffffa6d6c228fe50 EFLAGS: 00010246

 4958 02:07:36.861665  # [   57.918253] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4959 02:07:36.869236  # [   57.932692] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70

 4960 02:07:36.877862  # [   57.940940] RBP: 00007f73ae1aa000 R08: 0000000000000000 R09: 0000000000000000

 4961 02:07:36.886176  # [   57.949187] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 4962 02:07:36.895584  # [   57.957430] R13: ffffa6d6c228ff10 R14: ffffa6d6c228ff10 R15: ffff9309c5f8a000

 4963 02:07:36.903182  # [   57.965682] FS:  00007f73ae17b580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 4964 02:07:36.910301  # [   57.974998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4965 02:07:36.918636  # [   57.981696] CR2: 00007f73ae1aa000 CR3: 0000000105c22000 CR4: 00000000003506f0

 4966 02:07:36.920985  # [   57.989946] Call Trace:

 4967 02:07:36.925814  # [   57.992976]  ? __die_body.cold+0x1a/0x1f

 4968 02:07:36.929655  # [   57.997651]  ? no_context+0x177/0x380

 4969 02:07:36.934537  # [   58.002035]  ? exc_page_fault+0x53/0x170

 4970 02:07:36.938956  # [   58.006700]  ? asm_exc_page_fault+0x1e/0x30

 4971 02:07:36.944301  # [   58.011669]  ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae

 4972 02:07:36.949290  # [   58.017303]  ? direct_entry.cold+0x2c/0x38

 4973 02:07:36.953890  # [   58.022155]  ? full_proxy_write+0x56/0x80

 4974 02:07:36.958222  # [   58.026925]  ? vfs_write+0xea/0x3b0

 4975 02:07:36.961974  # [   58.031110]  ? ksys_write+0x68/0xf0

 4976 02:07:36.966149  # [   58.035304]  ? do_syscall_64+0x33/0x40

 4977 02:07:36.972251  # [   58.039777]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4978 02:07:37.012829  # [   58.045892] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4979 02:07:37.017149  # [   58.092127] CR2: 00007f73ae1aa000

 4980 02:07:37.021269  # [   58.096113] ---[ end trace bf7d0a621a4c666a ]---

 4981 02:07:37.027025  # [   58.101555] RIP: 0010:lkdtm_BUG+0x5/0x10

 4982 02:07:37.047206  # [   58.106218] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 4983 02:07:37.053160  # [   58.127431] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 4984 02:07:37.060467  # [   58.1<6>[   60.522895] lkdtm: Performing direct entry ACCESS_NULL

 4985 02:07:37.067597  <6>[   60.531543] lkdtm: attempting bad read at 0000000000000000

 4986 02:07:37.081237  33537] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 00000000<1>[   60.538022] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4987 02:07:37.086454  <1>[   60.552252] #PF: supervisor read access in kernel mode

 4988 02:07:37.087484  00000000

 4989 02:07:37.098866  # [   58.141780] RDX: 0000000000000000 RSI: ffff930a3b<1>[   60.558273] #PF: error_code(0x0000) - not-present page

 4990 02:07:37.102006  <d16bf70 RDI: ffffffff8317e850

 4991 02:07:37.108365  # [   58.150030] RBP: ffffffff836>[   60.570483] PGD 0 P4D 0 

 4992 02:07:37.112428  <4>[   60.579703] Oops: 0000 [#13] SMP PTI

 4993 02:07:37.117050  d410 R08: 0000000000000001 R09: 0000000000000001

 4994 02:07:37.127290  # [   58.15829<4>[   60.583982] CPU: 0 PID: 1827 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 4995 02:07:37.135177  <4>[   60.599092] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4996 02:07:37.139936  <4>[   60.605991] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 4997 02:07:37.160988  <4>[   60.611528] Code: 93 d7 fb ff be 00 10 00 00 48 89 ef e8 35 75 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 88 9e 5f 83 e8 6d d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b0 9e 5f 83 48 01

 4998 02:07:37.167568  <4>[   60.632736] RSP: 0018:ffffa6d6c2417e58 EFLAGS: 00010246

 4999 02:07:37.175660  <4>[   60.638854] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 5000 02:07:37.183610  <4>[   60.647098] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70

 5001 02:07:37.192085  <4>[   60.655343] RBP: ffffffff835f8f79 R08: 0000000000000000 R09: 0000000000000000

 5002 02:07:37.200024  <4>[   60.663587] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 5003 02:07:37.209304  <4>[   60.671846] R13: ffffa6d6c2417f10 R14: ffffa6d6c2417f10 R15: ffff9309c6933000

 5004 02:07:37.217968  <4>[   60.680091] FS:  00007fdd7abd2580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 5005 02:07:37.224851  <4>[   60.689403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5006 02:07:37.233066  <4>[   60.696103] CR2: 0000000000000000 CR3: 00000001033f0000 CR4: 00000000003506f0

 5007 02:07:37.236554  <4>[   60.704351] Call Trace:

 5008 02:07:37.240555  <4>[   60.707380]  ? __die_body.cold+0x1a/0x1f

 5009 02:07:37.244633  <4>[   60.712047]  ? no_context+0x177/0x380

 5010 02:07:37.249672  <4>[   60.716427]  ? exc_page_fault+0x53/0x170

 5011 02:07:37.254695  <4>[   60.721091]  ? asm_exc_page_fault+0x1e/0x30

 5012 02:07:37.259772  <4>[   60.726044]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5013 02:07:37.264614  <4>[   60.730901]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5014 02:07:37.269327  <4>[   60.735760]  direct_entry.cold+0x2c/0x38

 5015 02:07:37.274211  <4>[   60.740419]  full_proxy_write+0x56/0x80

 5016 02:07:37.277715  <4>[   60.744994]  vfs_write+0xea/0x3b0

 5017 02:07:37.281397  <4>[   60.748980]  ksys_write+0x68/0xf0

 5018 02:07:37.286152  <4>[   60.752970]  do_syscall_64+0x33/0x40

 5019 02:07:37.291727  <4>[   60.757246]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5020 02:07:37.296589  <4>[   60.763162] RIP: 0033:0x7fdd7aae8473

 5021 02:07:37.317233  <4>[   60.767445] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5022 02:07:37.326553  <4>[   60.788674] RSP: 002b:00007ffc4a4f3208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5023 02:07:37.334306  <4>[   60.797427] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fdd7aae8473

 5024 02:07:37.342528  <4>[   60.805685] RDX: 000000000000000c RSI: 00007fdd7a9dc000 RDI: 0000000000000001

 5025 02:07:37.350667  <4>[   60.813937] RBP: 00007fdd7a9dc000 R08: 00007fdd7a9db010 R09: 0000000000000000

 5026 02:07:37.359405  <4>[   60.822193] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5027 02:07:37.367587  <4>[   60.830443] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5028 02:07:37.414291  0] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000<4>[   60.838702] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5029 02:07:37.418536  <4>[   60.884970] CR2: 0000000000000000

 5030 02:07:37.422990  <4>[   60.888963] ---[ end trace bf7d0a621a4c666d ]---

 5031 02:07:37.427625  <4>[   60.894417] RIP: 0010:lkdtm_BUG+0x5/0x10

 5032 02:07:37.448912  <4>[   60.899089] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 5033 02:07:37.455257  <4>[   60.920335] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 5034 02:07:37.463111  <4>[   60.926451] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 5035 02:07:37.472204  <4>[   60.934698] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 5036 02:07:37.479779  <4>[   60.942948] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 5037 02:07:37.488314  <4>[   60.951203] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5038 02:07:37.496744  <4>[   60.959463] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 5039 02:07:37.505748  <4>[   60.967725] FS:  00007fdd7abd2580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 5040 02:07:37.512314  <4>[   60.977053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5041 02:07:37.521588  <4>[   60.983757] CR2: 0000000000000000 CR3: 00000001033f0000 CR4: 00000000003506f0

 5042 02:07:37.522061  0004

 5043 02:07:37.529199  # [   58.166550] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 5044 02:07:37.539118  # [   58.174809] FS:  00007f73ae17b580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 5045 02:07:37.544729  # [   58.184133] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5046 02:07:37.553121  # [   58.190841] CR2: 00007f73ae1aa000 CR3: 0000000105c22000 CR4: 00000000003506f0

 5047 02:07:37.563355  # [   58.199098] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5048 02:07:37.571947  # [   58.209289] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1721, name: cat

 5049 02:07:37.578498  # [   58.218031] INFO: lockdep is turned off.

 5050 02:07:37.580711  # [   58.222697] irq event stamp: 0

 5051 02:07:37.587928  # [   58.226399] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5052 02:07:37.597039  # [   58.233686] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5053 02:07:37.606011  # [   58.243111] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5054 02:07:37.613876  # [   58.252525] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5055 02:07:37.621542  # [   58.259816] CPU: 0 PID: 1721 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5056 02:07:37.629130  # [   58.268758] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5057 02:07:37.631623  # [   58.275662] Call Trace:

 5058 02:07:37.635694  # [   58.278692]  dump_stack+0x77/0x9b

 5059 02:07:37.640386  # [   58.282684]  ___might_sleep.cold+0xa6/0xb6

 5060 02:07:37.644396  # [   58.287543]  exit_signals+0x1c/0x300

 5061 02:07:37.648000  # [   58.291825]  do_exit+0xc2/0xab0

 5062 02:07:37.652257  # [   58.295626]  ? ksys_write+0x68/0xf0

 5063 02:07:37.656662  # [   58.299809]  make_task_dead+0x2f/0x30

 5064 02:07:37.663353  # [   58.304193]  rewind_stack_and_make_dead+0x17/0x20

 5065 02:07:37.666556  # [   58.309736] RIP: 0033:0x7f73ae091473

 5066 02:07:37.687650  # [   58.314017] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5067 02:07:37.695906  # [   58.335269] RSP: 002b:00007ffd67a3fd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5068 02:07:37.704778  # [   58.344005] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f73ae091473

 5069 02:07:37.712237  # [   58.358467] RDX: 000000000000000f RSI: 00007f73adf85000 RDI: 0000000000000001

 5070 02:07:37.720521  # [   58.366722] RBP: 00007f73adf85000 R08: 00007f73adf84010 R09: 0000000000000000

 5071 02:07:37.728458  # [   58.374981] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5072 02:07:37.738070  # [   58.383243] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5073 02:07:37.740880  # EXEC_USERSPACE: saw 'call trace:': ok

 5074 02:07:37.745421  ok 35 selftests: lkdtm: EXEC_USERSPACE.sh

 5075 02:07:37.748186  # selftests: lkdtm: EXEC_NULL.sh

 5076 02:07:37.750175  # Killed

 5077 02:07:37.754671  # [   58.756370] lkdtm: Performing direct entry EXEC_NULL

 5078 02:07:37.762081  # [   58.763500] lkdtm: attempting ok execution at ffffffff82179910

 5079 02:07:37.768380  # [   58.770320] lkdtm: attempting bad execution at 0000000000000000

 5080 02:07:37.776272  # [   58.777248] BUG: kernel NULL pointer dereference, address: 0000000000000000

 5081 02:07:37.782827  # [   58.785306] #PF: supervisor instruction fetch in kernel mode

 5082 02:07:37.789085  # [   58.791896] #PF: error_code(0x0010) - not-present page

 5083 02:07:37.792800  # [   58.797920] PGD 0 P4D 0 

 5084 02:07:37.796521  # [   58.801042] Oops: 0010 [#11] SMP PTI

 5085 02:07:37.804830  # [   58.805314] CPU: 2 PID: 1757 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5086 02:07:37.811300  # [   58.814242] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5087 02:07:37.814498  # [   58.821145] RIP: 0010:0x0

 5088 02:07:37.823551  # [   58.824367] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 5089 02:07:37.828453  # [   58.832320] RSP: 0018:ffffa6d6c230fe48 EFLAGS: 00010246

 5090 02:07:37.836653  # [   58.838434] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 5091 02:07:37.842936  # [   5<6>[   61.307722] lkdtm: Performing direct entry WRITE_RO

 5092 02:07:37.855953  8.846677] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffff9<6>[   61.314271] lkdtm: attempting bad rodata write at ffffffff8317ecd0

 5093 02:07:37.858500  30a3bd1bf70

 5094 02:07:37.870305  # [   58.854922] RBP: 0000000000000000 R08: 0000000<1>[   61.327712] BUG: unable to handle page fault for address: ffffffff8317ecd0

 5095 02:07:37.876821  <1>[   61.341823] #PF: supervisor write access in kernel mode

 5096 02:07:37.883452  <1>[   61.347942] #PF: error_code(0x0003) - permissions violation

 5097 02:07:37.890786  <6>[   61.354447] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 8000000075c001e1 

 5098 02:07:37.894857  <4>[   61.362229] Oops: 0003 [#14] SMP PTI

 5099 02:07:37.904077  <4>[   61.366512] CPU: 3 PID: 1862 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5100 02:07:37.911443  <4>[   61.375450] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5101 02:07:37.916203  <4>[   61.382356] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 5102 02:07:37.938023  <4>[   61.387605] Code: 00 48 c7 c7 68 9d 5f 83 48 c7 c6 d0 ec 17 83 e8 17 da fb ff 48 8b 05 4f 16 97 00 ba 34 12 cd ab 48 c7 c7 98 9d 5f 83 48 31 d0 <48> 89 05 39 16 97 00 e9 f5 d9 fb ff 0f 1f 44 00 00 48 8b 05 88 0c

 5103 02:07:37.943509  <4>[   61.408836] RSP: 0018:ffffa6d6c24afe60 EFLAGS: 00010202

 5104 02:07:37.952242  <4>[   61.414959] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 5105 02:07:37.960357  <4>[   61.423211] RDX: 00000000abcd1234 RSI: ffff930a3bd9bf70 RDI: ffffffff835f9d98

 5106 02:07:37.968218  <4>[   61.431458] RBP: ffffffff835f8f85 R08: 0000000000000000 R09: 0000000000000000

 5107 02:07:37.976464  <4>[   61.439703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 5108 02:07:37.984548  <4>[   61.447956] R13: ffffa6d6c24aff10 R14: ffffa6d6c24aff10 R15: ffff9309c5f49000

 5109 02:07:37.994717  <4>[   61.456218] FS:  00007f96161e6580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 5110 02:07:38.000637  <4>[   61.465534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5111 02:07:38.009247  <4>[   61.472233] CR2: ffffffff8317ecd0 CR3: 0000000106932000 CR4: 00000000003506e0

 5112 02:07:38.012462  <4>[   61.480489] Call Trace:

 5113 02:07:38.017399  <4>[   61.483521]  ? __die_body.cold+0x1a/0x1f

 5114 02:07:38.021747  <4>[   61.488195]  ? no_context+0x177/0x380

 5115 02:07:38.026062  <4>[   61.492579]  ? exc_page_fault+0xd7/0x170

 5116 02:07:38.030801  <4>[   61.497248]  ? asm_exc_page_fault+0x1e/0x30

 5117 02:07:38.035735  <4>[   61.502212]  ? lkdtm_WRITE_RO+0x2e/0x3a

 5118 02:07:38.040204  <4>[   61.506779]  direct_entry.cold+0x2c/0x38

 5119 02:07:38.045016  <4>[   61.511446]  full_proxy_write+0x56/0x80

 5120 02:07:38.048942  <4>[   61.516019]  vfs_write+0xea/0x3b0

 5121 02:07:38.052925  <4>[   61.520008]  ksys_write+0x68/0xf0

 5122 02:07:38.057586  <4>[   61.523999]  do_syscall_64+0x33/0x40

 5123 02:07:38.063378  <4>[   61.528284]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5124 02:07:38.067191  <4>[   61.534211] RIP: 0033:0x7f96160fc473

 5125 02:07:38.088305  <4>[   61.538489] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5126 02:07:38.097112  <4>[   61.559724] RSP: 002b:00007ffd2cc3ed98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5127 02:07:38.105329  <4>[   61.568456] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f96160fc473

 5128 02:07:38.114230  <4>[   61.576716] RDX: 0000000000000009 RSI: 00007f9615ff0000 RDI: 0000000000000001

 5129 02:07:38.122308  <4>[   61.584974] RBP: 00007f9615ff0000 R08: 00007f9615fef010 R09: 0000000000000000

 5130 02:07:38.130157  <4>[   61.593220] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5131 02:07:38.138411  <4>[   61.601466] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5132 02:07:38.178666  <4>[   61.609723] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5133 02:07:38.182649  <4>[   61.649721] CR2: ffffffff8317ecd0

 5134 02:07:38.188238  <4>[   61.653709] ---[ end trace bf7d0a621a4c666e ]---

 5135 02:07:38.192389  <4>[   61.659141] RIP: 0010:lkdtm_BUG+0x5/0x10

 5136 02:07:38.213644  <4>[   61.663805] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 5137 02:07:38.219536  <4>[   61.685022] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 5138 02:07:38.228234  <4>[   61.691136] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 5139 02:07:38.236938  <4>[   61.699394] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 5140 02:07:38.245344  <4>[   61.707643] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 5141 02:07:38.253150  <4>[   61.715891] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5142 02:07:38.261695  <4>[   61.724133] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 5143 02:07:38.270232  <4>[   61.732380] FS:  00007f96161e6580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 5144 02:07:38.276805  <4>[   61.741701] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5145 02:07:38.285184  <4>[   61.748405] CR2: ffffffff8317ecd0 CR3: 0000000106932000 CR4: 00000000003506e0

 5146 02:07:38.295288  <3>[   61.756663] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5147 02:07:38.304150  <3>[   61.766844] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1862, name: cat

 5148 02:07:38.308712  <4>[   61.775580] INFO: lockdep is turned off.

 5149 02:07:38.312443  <4>[   61.780244] irq event stamp: 0

 5150 02:07:38.321640  <4>[   61.783940] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5151 02:07:38.329787  <4>[   61.791228] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5152 02:07:38.338659  <4>[   61.800643] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5153 02:07:38.345969  <4>[   61.810050] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5154 02:07:38.355292  <4>[   61.817339] CPU: 3 PID: 1862 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5155 02:07:38.362923  <4>[   61.826267] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5156 02:07:38.365164  <4>[   61.833163] Call Trace:

 5157 02:07:38.368980  <4>[   61.836186]  dump_stack+0x77/0x9b

 5158 02:07:38.374120  <4>[   61.840178]  ___might_sleep.cold+0xa6/0xb6

 5159 02:07:38.378154  <4>[   61.845035]  exit_signals+0x1c/0x300

 5160 02:07:38.382012  <4>[   61.849319]  do_exit+0xc2/0xab0

 5161 02:07:38.386052  <4>[   61.853112]  ? ksys_write+0x68/0xf0

 5162 02:07:38.390221  <4>[   61.857292]  make_task_dead+0x2f/0x30

 5163 02:07:38.397042  <4>[   61.861670]  rewind_stack_and_make_dead+0x17/0x20

 5164 02:07:38.401836  <4>[   61.867209] RIP: 0033:0x7f96160fc473

 5165 02:07:38.421612  <4>[   61.871486] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5166 02:07:38.430532  <4>[   61.892727] RSP: 002b:00007ffd2cc3ed98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5167 02:07:38.438403  <4>[   61.901461] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f96160fc473

 5168 02:07:38.446641  <4>[   61.909705] RDX: 0000000000000009 RSI: 00007f9615ff0000 RDI: 0000000000000001

 5169 02:07:38.454911  <4>[   61.917955] RBP: 00007f9615ff0000 R08: 00007f9615fef010 R09: 0000000000000000

 5170 02:07:38.463984  <4>[   61.926217] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5171 02:07:38.471922  <4>[   61.934476] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5172 02:07:38.475359  000000000 R09: 0000000000000000

 5173 02:07:38.483381  # [   58.863172] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 5174 02:07:38.491174  # [   58.871412] R13: ffffa6d6c230ff10 R14: ffffa6d6c230ff10 R15: ffff9309c5ffd000

 5175 02:07:38.500572  # [   58.879658] FS:  00007fe8ea0f3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 5176 02:07:38.506442  # [   58.888966] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5177 02:07:38.514956  # [   58.895664] CR2: ffffffffffffffd6 CR3: 0000000103d74000 CR4: 00000000003506e0

 5178 02:07:38.517887  # [   58.903922] Call Trace:

 5179 02:07:38.522489  # [   58.906953]  ? __die_body.cold+0x1a/0x1f

 5180 02:07:38.526809  # [   58.911626]  ? no_context+0x177/0x380

 5181 02:07:38.530985  # [   58.916006]  ? exc_page_fault+0x53/0x170

 5182 02:07:38.535640  # [   58.920671]  ? asm_exc_page_fault+0x1e/0x30

 5183 02:07:38.540505  # [   58.925639]  execute_location+0x48/0x56

 5184 02:07:38.545153  # [   58.930210]  direct_entry.cold+0x2c/0x38

 5185 02:07:38.549805  # [   58.934877]  full_proxy_write+0x56/0x80

 5186 02:07:38.554415  # [   58.939449]  vfs_write+0xea/0x3b0

 5187 02:07:38.557208  # [   58.949545]  ksys_write+0x68/0xf0

 5188 02:07:38.561966  # [   58.953537]  do_syscall_64+0x33/0x40

 5189 02:07:38.567194  # [   58.957820]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5190 02:07:38.571421  # [   58.963745] RIP: 0033:0x7fe8ea009473

 5191 02:07:38.592695  # [   58.968015] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5192 02:07:38.601553  # [   58.989258] RSP: 002b:00007ffc14a28c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5193 02:07:38.609521  # [   58.997992] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe8ea009473

 5194 02:07:38.617664  # [   59.006235] RDX: 000000000000000a RSI: 00007fe8e9efd000 RDI: 0000000000000001

 5195 02:07:38.626178  # [   59.014481] RBP: 00007fe8e9efd000 R08: 00007fe8e9efc010 R09: 0000000000000000

 5196 02:07:38.633798  # [   59.022737] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5197 02:07:38.642207  # [   59.030989] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5198 02:07:38.681644  # [   59.039249] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5199 02:07:38.686337  # [   59.085485] CR2: 0000000000000000

 5200 02:07:38.691947  # [   59.089482] ---[ end trace bf7d0a621a4c666b ]---

 5201 02:07:38.696823  # [   59.094939] RIP: 0010:lkdtm_BUG+0x5/0x10

 5202 02:07:38.717579  # [   59.099612] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 5203 02:07:38.723175  # [   59.120873] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 5204 02:07:38.730846  # [   59.126996] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 5205 02:07:38.738876  # [   59.135252] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 5206 02:07:38.747148  # [   59.143517] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 5207 02:07:38.755167  # [   59.151778] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5208 02:07:38.763417  # [   59.160036] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 5209 02:07:38.772229  # [   59.168292] FS:  00007fe8ea0f3580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 5210 02:07:38.779625  # [   59.177606] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5211 02:07:38.787124  # [   59.184308] CR2: ffffffffffffffd6 CR3: 0000000103d74000 CR4: 00000000003506e0

 5212 02:07:38.790629  # EXEC_NULL: saw 'call trace:': ok

 5213 02:07:38.794592  ok 36 selftests: lkdtm: EXEC_NULL.sh

 5214 02:07:38.799003  # selftests: lkdtm: ACCESS_USERSPACE.sh

 5215 02:07:38.799754  # Killed

 5216 02:07:38.805771  # [   59.501625] lkdtm: Performing direct entry ACCESS_USERSPACE

 5217 02:07:38.812261  # [   59.509165] lkdtm: attempting bad read at 00007f6b7f85a000

 5218 02:07:38.820188  # [   59.521779] BUG: unable to handle page fault for address: 00007f6b7f85a000

 5219 02:07:38.825736  # [   59.535885] #PF: supervisor read access in kernel mode

 5220 02:07:38.832302  # [   59.541901] #PF: error_code(0x0001) - permissions violation

 5221 02:07:38.842878  # [   59.548402] PGD 8000000105e33067 P4D 8000000105e33067 PUD 102df9067 PMD 106a51067 PTE 10b748067

 5222 02:07:38.846916  # [   59.558410] Oops: 0001 [#12] SMP PTI

 5223 02:07:38.855842  # [   59.562687] CPU: 3 PID: 1792 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5224 02:07:38.861898  # [   59.571606] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5225 02:07:38.868851  # [   59.578505] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 5226 02:07:38.875065  # <6>[   62.339562] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 5227 02:07:38.883157  <6>[   62.346701] lkdtm: attempting bad ro_after_init write at ffffffff8367e330

 5228 02:07:38.891223  <1>[   62.354630] BUG: unable to handle page fault for address: ffffffff8367e330

 5229 02:07:38.897827  <1>[   62.362595] #PF: supervisor write access in kernel mode

 5230 02:07:38.903900  <1>[   62.368705] #PF: error_code(0x0003) - permissions violation

 5231 02:07:38.919162  [   59.585010] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc c<6>[   62.375204] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 105998163 PTE 800000007627e061

 5232 02:07:38.923622  <4>[   62.390445] Oops: 0003 [#15] SMP PTI

 5233 02:07:38.932353  <4>[   62.394726] CPU: 2 PID: 1897 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5234 02:07:38.939272  <4>[   62.403665] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5235 02:07:38.945487  <4>[   62.410572] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5236 02:07:38.967911  <4>[   62.416883] Code: 9d 5f 83 e9 c9 d9 fb ff 48 c7 c7 f0 9d 5f 83 e8 bd d9 fb ff 48 8b 05 55 0c e7 00 ba 34 12 cd ab 48 c7 c7 98 9d 5f 83 48 31 d0 <48> 89 05 3f 0c e7 00 e9 9b d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 5237 02:07:38.972712  <4>[   62.438130] RSP: 0018:ffffa6d6c253fe60 EFLAGS: 00010202

 5238 02:07:38.981995  <4>[   62.444256] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 5239 02:07:38.989960  <4>[   62.452497] RDX: 00000000abcd1234 RSI: ffff930a3bd1bf70 RDI: ffffffff835f9d98

 5240 02:07:38.997978  <4>[   62.460745] RBP: ffffffff835f8f8e R08: 0000000000000000 R09: 0000000000000000

 5241 02:07:39.006578  <4>[   62.468998] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 5242 02:07:39.014372  <4>[   62.477246] R13: ffffa6d6c253ff10 R14: ffffa6d6c253ff10 R15: ffff9309c3cfa000

 5243 02:07:39.024451  <4>[   62.485495] FS:  00007f04bc373580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 5244 02:07:39.029923  <4>[   62.494797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5245 02:07:39.038302  <4>[   62.501490] CR2: ffffffff8367e330 CR3: 0000000105cea000 CR4: 00000000003506e0

 5246 02:07:39.041346  <4>[   62.509739] Call Trace:

 5247 02:07:39.046605  <4>[   62.512769]  ? __die_body.cold+0x1a/0x1f

 5248 02:07:39.051109  <4>[   62.517445]  ? no_context+0x177/0x380

 5249 02:07:39.055977  <4>[   62.521827]  ? exc_page_fault+0xd7/0x170

 5250 02:07:39.060530  <4>[   62.526495]  ? asm_exc_page_fault+0x1e/0x30

 5251 02:07:39.066111  <4>[   62.531460]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5252 02:07:39.070561  <4>[   62.537104]  direct_entry.cold+0x2c/0x38

 5253 02:07:39.076004  <4>[   62.541779]  full_proxy_write+0x56/0x80

 5254 02:07:39.078726  <4>[   62.546354]  vfs_write+0xea/0x3b0

 5255 02:07:39.083052  <4>[   62.550346]  ksys_write+0x68/0xf0

 5256 02:07:39.087005  <4>[   62.554337]  do_syscall_64+0x33/0x40

 5257 02:07:39.092959  <4>[   62.558612]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5258 02:07:39.097468  <4>[   62.564540] RIP: 0033:0x7f04bc289473

 5259 02:07:39.118783  <4>[   62.568821] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5260 02:07:39.127669  <4>[   62.590050] RSP: 002b:00007ffcab64ec38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5261 02:07:39.135578  <4>[   62.598788] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f04bc289473

 5262 02:07:39.144988  <4>[   62.607035] RDX: 0000000000000014 RSI: 00007f04bc17d000 RDI: 0000000000000001

 5263 02:07:39.152685  <4>[   62.615284] RBP: 00007f04bc17d000 R08: 00007f04bc17c010 R09: 0000000000000000

 5264 02:07:39.161057  <4>[   62.623541] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5265 02:07:39.168370  <4>[   62.631802] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5266 02:07:39.215740  c 48 89 ee 48 c7 c7 88 9e 5f 83 e8 ef d7 fb ff 48 c7 c7 b0 9e 5f<4>[   62.640074] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5267 02:07:39.219137  <4>[   62.686289] CR2: ffffffff8367e330

 5268 02:07:39.224555  <4>[   62.690276] ---[ end trace bf7d0a621a4c666f ]---

 5269 02:07:39.229376  <4>[   62.695720] RIP: 0010:lkdtm_BUG+0x5/0x10

 5270 02:07:39.250392  <4>[   62.700383] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 5271 02:07:39.256301  <4>[   62.721611] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 5272 02:07:39.264596  <4>[   62.727726] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 5273 02:07:39.274190  <4>[   62.735968] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 5274 02:07:39.281488  <4>[   62.744210] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 5275 02:07:39.289848  <4>[   62.752455] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5276 02:07:39.297632  <4>[   62.760699] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 5277 02:07:39.307155  <4>[   62.768956] FS:  00007f04bc373580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 5278 02:07:39.313611  <4>[   62.778274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5279 02:07:39.321688  <4>[   62.784974] CR2: ffffffff8367e330 CR3: 0000000105cea000 CR4: 00000000003506e0

 5280 02:07:39.330656   83 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 d6 d7 fb ff 48 89 ee 48 c7 c7 d8 9e 5f

 5281 02:07:39.338096  # [   59.606229] RSP: 0018:ffffa6d6c238fe48 EFLAGS: 00010246

 5282 02:07:39.344453  # [   59.612345] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000

 5283 02:07:39.353953  # [   59.620590] RDX: 0000000000000000 RSI: ffff930a3bd9bf70 RDI: ffffffff835f9eb0

 5284 02:07:39.361019  # [   59.628834] RBP: 00007f6b7f85a000 R08: 0000000000000000 R09: 0000000000000000

 5285 02:07:39.369149  # [   59.637076] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011

 5286 02:07:39.377315  # [   59.645320] R13: ffffa6d6c238ff10 R14: ffffa6d6c238ff10 R15: ffff9309c5199000

 5287 02:07:39.386307  # [   59.653562] FS:  00007f6b7f82b580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 5288 02:07:39.393266  # [   59.662870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5289 02:07:39.401690  # [   59.669569] CR2: 00007f6b7f85a000 CR3: 000000010457c000 CR4: 00000000003506e0

 5290 02:07:39.404055  # [   59.677811] Call Trace:

 5291 02:07:39.408768  # [   59.680843]  ? __die_body.cold+0x1a/0x1f

 5292 02:07:39.412875  # [   59.685515]  ? no_context+0x177/0x380

 5293 02:07:39.417383  # [   59.689896]  ? exc_page_fault+0x53/0x170

 5294 02:07:39.422962  # [   59.694563]  ? asm_exc_page_fault+0x1e/0x30

 5295 02:07:39.429258  # [   59.699528]  ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 5296 02:07:39.433651  # [   59.705354]  ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3

 5297 02:07:39.438529  # [   59.711177]  direct_entry.cold+0x2c/0x38

 5298 02:07:39.442634  # [   59.715844]  full_proxy_write+0x56/0x80

 5299 02:07:39.446663  # [   59.720413]  vfs_write+0xea/0x3b0

 5300 02:07:39.451111  # [   59.724400]  ksys_write+0x68/0xf0

 5301 02:07:39.455027  # [   59.728395]  do_syscall_64+0x33/0x40

 5302 02:07:39.460660  # [   59.732672]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5303 02:07:39.464678  # [   59.738591] RIP: 0033:0x7f6b7f741473

 5304 02:07:39.485804  # [   59.742870] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5305 02:07:39.494837  # [   59.764081] RSP: 002b:00007ffd2a9b1c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5306 02:07:39.503286  # [   59.772811] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f6b7f741473

 5307 02:07:39.510441  # [   59.781055] RDX: 0000000000000011 RSI: 00007f6b7f635000 RDI: 0000000000000001

 5308 02:07:39.518898  # [   59.789300] RBP: 00007f6b7f635000 R08: 00007f6b7f634010 R09: 0000000000000000

 5309 02:07:39.527443  # [   59.797548] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5310 02:07:39.535302  # [   59.805796] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5311 02:07:39.575100  # [   59.814056] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5312 02:07:39.579426  # [   59.854093] CR2: 00007f6b7f85a000

 5313 02:07:39.583872  # [   59.858076] ---[ end trace bf7d0a621a4c666c ]---

 5314 02:07:39.589546  # [   59.863523] RIP: 0010:lkdtm_BUG+0x5/0x10

 5315 02:07:39.610732  # [   59.868192] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 5316 02:07:39.616169  # [   59.889412] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 5317 02:07:39.623862  # [   59.895530] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 5318 02:07:39.631869  # [   59.903786] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 5319 02:07:39.640042  # [   59.912039] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 5320 02:07:39.648376  # [   59.920299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5321 02:07:39.656663  # [   59.928549] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 5322 02:07:39.663028  # [ <6>[   63.123683] lkdtm: Performing direct entry WRITE_KERN

 5323 02:07:39.670433  <6>[   63.134082] lkdtm: attempting bad 6896875 byte write at ffffffff8280d5fb

 5324 02:07:39.678473  <1>[   63.141914] BUG: unable to handle page fault for address: ffffffff8280d5fb

 5325 02:07:39.684980  <1>[   63.149884] #PF: supervisor write access in kernel mode

 5326 02:07:39.690517  <1>[   63.156007] #PF: error_code(0x0003) - permissions violation

 5327 02:07:39.705053    59.936792] FS:  00007f6b7f82b580(0000) GS:ffff930a3bd80000(000<6>[   63.162517] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 754001e1 

 5328 02:07:39.708712  <4>[   63.175710] Oops: 0003 [#16] SMP PTI

 5329 02:07:39.710675  0) knlGS:0000000000000000

 5330 02:07:39.723652  # [   59.946104] CS:  0010 DS: 0000 E<4>[   63.179987] CPU: 2 PID: 1932 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5331 02:07:39.731738  <4>[   63.195127] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5332 02:07:39.736162  <4>[   63.202038] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 5333 02:07:39.757915  <4>[   63.207486] Code: 53 48 c7 c3 fb d5 80 82 49 89 dc 48 89 da 49 81 ec 10 99 17 82 4c 89 e6 e8 70 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 10 99 17 82 <f3> a4 48 c7 c7 98 9d 5f 83 e8 55 d9 fb ff 5b 41 5c e9 b7 fe ff ff

 5334 02:07:39.763403  <4>[   63.228735] RSP: 0018:ffffa6d6c25afe50 EFLAGS: 00010246

 5335 02:07:39.771846  <4>[   63.234861] RAX: 000000000000003c RBX: ffffffff8280d5fb RCX: 0000000000693ceb

 5336 02:07:39.779853  <4>[   63.243113] RDX: 0000000000000000 RSI: ffffffff82179910 RDI: ffffffff8280d5fb

 5337 02:07:39.788031  <4>[   63.251367] RBP: ffffffff835f8fa2 R08: 0000000000000000 R09: 0000000000000000

 5338 02:07:39.796323  <4>[   63.259612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000693ceb

 5339 02:07:39.805037  <4>[   63.267857] R13: ffffa6d6c25aff10 R14: ffffa6d6c25aff10 R15: ffff9309c327d000

 5340 02:07:39.814182  <4>[   63.276101] FS:  00007fe80124d580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 5341 02:07:39.820480  <4>[   63.285412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5342 02:07:39.828565  <4>[   63.292108] CR2: ffffffff8280d5fb CR3: 00000001059aa000 CR4: 00000000003506e0

 5343 02:07:39.831922  <4>[   63.300356] Call Trace:

 5344 02:07:39.837352  <4>[   63.303383]  ? __die_body.cold+0x1a/0x1f

 5345 02:07:39.842045  <4>[   63.308055]  ? no_context+0x177/0x380

 5346 02:07:39.847026  <4>[   63.312441]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5347 02:07:39.851591  <4>[   63.318179]  ? exc_page_fault+0xd7/0x170

 5348 02:07:39.857174  <4>[   63.322851]  ? asm_exc_page_fault+0x1e/0x30

 5349 02:07:39.862460  <4>[   63.327817]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5350 02:07:39.866999  <4>[   63.333552]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 5351 02:07:39.872920  <4>[   63.338700]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5352 02:07:39.877699  <4>[   63.344432]  ? lkdtm_WRITE_KERN+0x38/0x4e

 5353 02:07:39.883578  <4>[   63.349195]  direct_entry.cold+0x2c/0x38

 5354 02:07:39.887291  <4>[   63.353865]  full_proxy_write+0x56/0x80

 5355 02:07:39.891758  <4>[   63.358436]  vfs_write+0xea/0x3b0

 5356 02:07:39.895149  <4>[   63.362424]  ksys_write+0x68/0xf0

 5357 02:07:39.898936  <4>[   63.366417]  do_syscall_64+0x33/0x40

 5358 02:07:39.903134  S: 0000 CR0: 0000000080050033

 5359 02:07:39.911416  # [   59.952800] CR2: 00007f6b7f8<4>[   63.370692]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5360 02:07:39.916001  <4>[   63.382811] RIP: 0033:0x7fe801163473

 5361 02:07:39.936502  <4>[   63.387090] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5362 02:07:39.945974  <4>[   63.408319] RSP: 002b:00007ffe88140408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5363 02:07:39.954040  <4>[   63.417062] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe801163473

 5364 02:07:39.962332  <4>[   63.425318] RDX: 000000000000000b RSI: 00007fe801057000 RDI: 0000000000000001

 5365 02:07:39.970577  <4>[   63.433568] RBP: 00007fe801057000 R08: 00007fe801056010 R09: 0000000000000000

 5366 02:07:39.979188  <4>[   63.441820] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5367 02:07:39.987013  <4>[   63.450068] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5368 02:07:40.027329  <4>[   63.458326] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5369 02:07:40.031026  <4>[   63.498366] CR2: ffffffff8280d5fb

 5370 02:07:40.037079  <4>[   63.502353] ---[ end trace bf7d0a621a4c6670 ]---

 5371 02:07:40.041651  <4>[   63.507794] RIP: 0010:lkdtm_BUG+0x5/0x10

 5372 02:07:40.062838  <4>[   63.512455] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 5373 02:07:40.068467  <4>[   63.533683] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 5374 02:07:40.076699  <4>[   63.539799] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 5375 02:07:40.085100  <4>[   63.548049] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 5376 02:07:40.093716  <4>[   63.556300] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 5377 02:07:40.101618  <4>[   63.564547] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5378 02:07:40.109487  <4>[   63.572791] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 5379 02:07:40.119163  <4>[   63.581048] FS:  00007fe80124d580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 5380 02:07:40.126869  <4>[   63.590376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5381 02:07:40.134114  <4>[   63.597073] CR2: ffffffff8280d5fb CR3: 00000001059aa000 CR4: 00000000003506e0

 5382 02:07:40.144268  <3>[   63.605332] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5383 02:07:40.153473  <3>[   63.615516] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1932, name: cat

 5384 02:07:40.157661  <4>[   63.624257] INFO: lockdep is turned off.

 5385 02:07:40.161803  <4>[   63.628925] irq event stamp: 0

 5386 02:07:40.168436  <4>[   63.632620] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5387 02:07:40.178086  <4>[   63.639908] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5388 02:07:40.187531  <4>[   63.649329] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5389 02:07:40.194673  <4>[   63.658761] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5390 02:07:40.204915  <4>[   63.666058] CPU: 2 PID: 1932 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5391 02:07:40.210614  <4>[   63.675000] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5392 02:07:40.213486  <4>[   63.681893] Call Trace:

 5393 02:07:40.217585  <4>[   63.684919]  dump_stack+0x77/0x9b

 5394 02:07:40.222867  <4>[   63.688914]  ___might_sleep.cold+0xa6/0xb6

 5395 02:07:40.227807  <4>[   63.693783]  exit_signals+0x1c/0x300

 5396 02:07:40.230323  <4>[   63.698069]  do_exit+0xc2/0xab0

 5397 02:07:40.234961  <4>[   63.701861]  ? ksys_write+0x68/0xf0

 5398 02:07:40.240436  <4>[   63.706052]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5399 02:07:40.245078  <4>[   63.711794]  make_task_dead+0x2f/0x30

 5400 02:07:40.249858  <4>[   63.716170]  rewind_stack_and_make_dead+0x17/0x20

 5401 02:07:40.255156  <4>[   63.721702] RIP: 0033:0x7fe801163473

 5402 02:07:40.275613  <4>[   63.725984] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5403 02:07:40.285102  <4>[   63.747233] RSP: 002b:00007ffe88140408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5404 02:07:40.292887  <4>[   63.755971] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe801163473

 5405 02:07:40.301109  <4>[   63.764216] RDX: 000000000000000b RSI: 00007fe801057000 RDI: 0000000000000001

 5406 02:07:40.309785  <4>[   63.772467] RBP: 00007fe801057000 R08: 00007fe801056010 R09: 0000000000000000

 5407 02:07:40.317591  <4>[   63.780716] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5408 02:07:40.325627  <4>[   63.788964] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5409 02:07:40.330959  5a000 CR3: 000000010457c000 CR4: 00000000003506e0

 5410 02:07:40.340877  # [   59.961047] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5411 02:07:40.349864  # [   59.971237] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1792, name: cat

 5412 02:07:40.354083  # [   59.979967] INFO: lockdep is turned off.

 5413 02:07:40.357769  # [   59.984629] irq event stamp: 0

 5414 02:07:40.365198  # [   59.988325] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5415 02:07:40.374287  # [   59.995607] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5416 02:07:40.384456  # [   60.005023] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5417 02:07:40.390873  # [   60.014430] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5418 02:07:40.399765  # [   60.021707] CPU: 3 PID: 1792 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5419 02:07:40.406882  # [   60.030628] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5420 02:07:40.408888  # [   60.037513] Call Trace:

 5421 02:07:40.413222  # [   60.040533]  dump_stack+0x77/0x9b

 5422 02:07:40.418732  # [   60.044519]  ___might_sleep.cold+0xa6/0xb6

 5423 02:07:40.422304  # [   60.049381]  exit_signals+0x1c/0x300

 5424 02:07:40.426321  # [   60.053662]  do_exit+0xc2/0xab0

 5425 02:07:40.430110  # [   60.057447]  ? ksys_write+0x68/0xf0

 5426 02:07:40.434551  # [   60.061619]  make_task_dead+0x2f/0x30

 5427 02:07:40.440957  # [   60.065995]  rewind_stack_and_make_dead+0x17/0x20

 5428 02:07:40.444024  # [   60.071530] RIP: 0033:0x7f6b7f741473

 5429 02:07:40.465276  # [   60.075809] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5430 02:07:40.473700  # [   60.097036] RSP: 002b:00007ffd2a9b1c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5431 02:07:40.481712  # [   60.105766] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f6b7f741473

 5432 02:07:40.490249  # [   60.114010] RDX: 0000000000000011 RSI: 00007f6b7f635000 RDI: 0000000000000001

 5433 02:07:40.498119  # [   60.122256] RBP: 00007f6b7f635000 R08: 00007f6b7f634010 R09: 0000000000000000

 5434 02:07:40.506192  # [   60.130505] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5435 02:07:40.514367  # [   60.138757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5436 02:07:40.518385  # ACCESS_USERSPACE: saw 'call trace:': ok

 5437 02:07:40.522927  ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh

 5438 02:07:40.526798  # selftests: lkdtm: ACCESS_NULL.sh

 5439 02:07:40.527795  # Killed

 5440 02:07:40.533213  # [   60.522895] lkdtm: Performing direct entry ACCESS_NULL

 5441 02:07:40.539381  # [   60.531543] lkdtm: attempting bad read at 0000000000000000

 5442 02:07:40.547201  # [   60.538022] BUG: kernel NULL pointer dereference, address: 0000000000000000

 5443 02:07:40.553552  # [   60.552252] #PF: supervisor read access in kernel mode

 5444 02:07:40.559937  # [   60.558273] #PF: error_code(0x0000) - not-present page

 5445 02:07:40.562831  # [   60.570483] PGD 0 P4D 0 

 5446 02:07:40.566977  # [   60.579703] Oops: 0000 [#13] SMP PTI

 5447 02:07:40.575372  # [   60.583982] CPU: 0 PID: 1827 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5448 02:07:40.581838  # [   60.599092] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5449 02:07:40.587483  # [   60.605991] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 5450 02:07:40.609253  # [   60.611528] Code: 93 d7 fb ff be 00 10 00 00 48 89 ef e8 35 75 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 88 9e 5f 83 e8 6d d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b0 9e 5f 83 48 01

 5451 02:07:40.614846  # [   60.632736] RSP: 0018:ffffa6d6c2417e58 EFLAGS: 00010246

 5452 02:07:40.623454  # [   60.638854] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 5453 02:07:40.630655  # [   60.647098] RDX: 0000000000000000 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70

 5454 02:07:40.639306  # [   60.655343] RBP: ffffffff835f8f79 R08: 0000000000000000 R09: 0000000000000000

 5455 02:07:40.648173  # [   60.663587] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 5456 02:07:40.655382  # [   60.671846] R13: ffffa6d6c2417f10 R14: ffffa6d6c2417f10 R15: ffff9309c6933000

 5457 02:07:40.664456  # [   60.680091] FS:  00007fdd7abd2580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 5458 02:07:40.671445  # [   60.689403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5459 02:07:40.679061  # [   60.696103] CR2: 0000000000000000 CR3: 00000001033f0000 CR4: 00000000003506f0

 5460 02:07:40.682050  # [   60.704351] Call Trace:

 5461 02:07:40.687946  # [   60.707380]  ? __die_body.cold+0x1a/0x1f

 5462 02:07:40.691252  # [   60.712047]  ? no_context+0x177/0x380

 5463 02:07:40.695555  # [   60.716427]  ? exc_page_fault+0x53/0x170

 5464 02:07:40.700575  # [   60.721091]  ? asm_exc_page_fault+0x1e/0x30

 5465 02:07:40.705351  # [   60.726044]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5466 02:07:40.709532  # [   60.730901]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5467 02:07:40.713830  # [   60.735760]  direct_entry.cold+0x2c/0x38

 5468 02:07:40.718375  # [   60.740419]  full_proxy_write+0x56/0x80

 5469 02:07:40.722766  # [   60.744994]  vfs_write+0xea/0x3b0

 5470 02:07:40.727161  # [   60.748980]  ksys_write+0x68/0xf0

 5471 02:07:40.730970  # [   60.752970]  do_syscall_64+0x33/0x40

 5472 02:07:40.736568  # [   60.757246]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5473 02:07:40.740665  # [   60.763162] RIP: 0033:0x7fdd7aae8473

 5474 02:07:40.748415  # [   60.7<6>[   64.208273] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 5475 02:07:40.755939  <6>[   64.220100] lkdtm: attempting good refcount_inc() without overflow

 5476 02:07:40.761889  <6>[   64.227313] lkdtm: attempting bad refcount_inc() overflow

 5477 02:07:40.767577  <4>[   64.233661] ------------[ cut here ]------------

 5478 02:07:40.773233  <4>[   64.239119] refcount_t: saturated; leaking memory.

 5479 02:07:40.782775  <4>[   64.244830] WARNING: CPU: 0 PID: 1967 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5480 02:07:40.829373  67445] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff <4>[   64.254550] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5481 02:07:40.838243  <4>[   64.300758] CPU: 0 PID: 1967 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5482 02:07:40.845121  <4>[   64.309721] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5483 02:07:40.851196  <4>[   64.316636] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5484 02:07:40.872929  <4>[   64.322775] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 21 f2 f6 01 00 75 ee 48 c7 c7 28 3f 55 83 c6 05 11 f2 f6 01 01 e8 26 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55

 5485 02:07:40.880198  <4>[   64.344026] RSP: 0018:ffffa6d6c260fe48 EFLAGS: 00010286

 5486 02:07:40.887776  <4>[   64.350164] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 5487 02:07:40.896096  <4>[   64.358430] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70

 5488 02:07:40.903331  <4>[   64.366705] RBP: ffffffff835f8fad R08: 0000000000000000 R09: 0000000000000000

 5489 02:07:40.911932  <4>[   64.374972] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5490 02:07:40.919927  <4>[   64.383236] R13: ffffa6d6c260ff10 R14: ffffa6d6c260ff10 R15: ffff9309c6a04000

 5491 02:07:40.929526  <4>[   64.391511] FS:  00007fc470af2580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 5492 02:07:40.936185  <4>[   64.400833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5493 02:07:40.944254  <4>[   64.407546] CR2: 00007fc4708fc000 CR3: 0000000103fda000 CR4: 00000000003506f0

 5494 02:07:40.948081  <4>[   64.415813] Call Trace:

 5495 02:07:40.952503  <4>[   64.418864]  ? __warn+0x80/0x110

 5496 02:07:40.956444  <4>[   64.422774]  ? refcount_warn_saturate+0x51/0x110

 5497 02:07:40.961287  <4>[   64.428235]  ? report_bug+0x9e/0xc0

 5498 02:07:40.965044  <4>[   64.432444]  ? handle_bug+0x41/0x90

 5499 02:07:40.970209  <4>[   64.436645]  ? exc_invalid_op+0x14/0x70

 5500 02:07:40.974844  <4>[   64.441241]  ? asm_exc_invalid_op+0x12/0x20

 5501 02:07:40.981391  <4>[   64.446228]  ? refcount_warn_saturate+0x51/0x110

 5502 02:07:40.985924  <4>[   64.451690]  ? refcount_warn_saturate+0x51/0x110

 5503 02:07:40.991349  <4>[   64.457155]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 5504 02:07:40.996265  <4>[   64.462815]  direct_entry.cold+0x2c/0x38

 5505 02:07:41.000992  <4>[   64.467514]  full_proxy_write+0x56/0x80

 5506 02:07:41.005350  <4>[   64.472119]  vfs_write+0xea/0x3b0

 5507 02:07:41.008742  <4>[   64.476136]  ksys_write+0x68/0xf0

 5508 02:07:41.013156  <4>[   64.480158]  do_syscall_64+0x33/0x40

 5509 02:07:41.024940  ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 0<4>[   64.484458]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5510 02:07:41.035874  0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 <4>[   64.496597] RIP: 0033:0x7fc470a08473

 5511 02:07:41.037253  48 89 54 24 18

 5512 02:07:41.063871  # [   60.788674] RSP: 002b:00007ffc4a4f3208 EFLA<4>[   64.507068] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5513 02:07:41.071802  <4>[   64.534519] RSP: 002b:00007ffed246d9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5514 02:07:41.081585  <4>[   64.543279] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc470a08473

 5515 02:07:41.088264  <4>[   64.551557] RDX: 0000000000000016 RSI: 00007fc4708fc000 RDI: 0000000000000001

 5516 02:07:41.097732  <4>[   64.559882] RBP: 00007fc4708fc000 R08: 00007fc4708fb010 R09: 0000000000000000

 5517 02:07:41.105341  <4>[   64.568176] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5518 02:07:41.113724  <4>[   64.576445] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5519 02:07:41.117663  <4>[   64.584732] irq event stamp: 0

 5520 02:07:41.124309  <4>[   64.588446] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5521 02:07:41.133976  <4>[   64.595744] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5522 02:07:41.143210  <4>[   64.605174] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5523 02:07:41.149984  <4>[   64.614592] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5524 02:07:41.156664  <4>[   64.621936] ---[ end trace bf7d0a621a4c6671 ]---

 5525 02:07:41.161183  <6>[   64.627396] lkdtm: Overflow detected: saturated

 5526 02:07:41.165687  GS: 00000246 ORIG_RAX: 0000000000000001

 5527 02:07:41.173353  # [   60.797427] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fdd7aae8473

 5528 02:07:41.181889  # [   60.805685] RDX: 000000000000000c RSI: 00007fdd7a9dc000 RDI: 0000000000000001

 5529 02:07:41.190009  # [   60.813937] RBP: 00007fdd7a9dc000 R08: 00007fdd7a9db010 R09: 0000000000000000

 5530 02:07:41.198217  # [   60.822193] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5531 02:07:41.206625  # [   60.830443] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5532 02:07:41.245890  # [   60.838702] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5533 02:07:41.250535  # [   60.884970] CR2: 0000000000000000

 5534 02:07:41.255195  # [   60.888963] ---[ end trace bf7d0a621a4c666d ]---

 5535 02:07:41.259578  # [   60.894417] RIP: 0010:lkdtm_BUG+0x5/0x10

 5536 02:07:41.281464  # [   60.899089] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 5537 02:07:41.287492  # [   60.920335] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 5538 02:07:41.295598  # [   60.926451] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 5539 02:07:41.303439  # [   60.934698] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 5540 02:07:41.311722  # [   60.942948] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 5541 02:07:41.319160  # [   60.951203] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5542 02:07:41.327504  # [   60.959463] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 5543 02:07:41.337127  # [   60.967725] FS:  00007fdd7abd2580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 5544 02:07:41.343366  # [   60.977053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5545 02:07:41.351620  # [   60.983757] CR2: 0000000000000000 CR3: 00000001033f0000 CR4: 00000000003506f0

 5546 02:07:41.354940  # ACCESS_NULL: saw 'call trace:': ok

 5547 02:07:41.358916  ok 38 selftests: lkdtm: ACCESS_NULL.sh

 5548 02:07:41.362805  # selftests: lkdtm: WRITE_RO.sh

 5549 02:07:41.364616  # Killed

 5550 02:07:41.368865  # [   61.307722] lkdtm: Performing direct entry WRITE_RO

 5551 02:07:41.376794  # [   61.314271] lkdtm: attempting bad rodata write at ffffffff8317ecd0

 5552 02:07:41.383697  # [   61.327712] BUG: unable to handle page fault for address: ffffffff8317ecd0

 5553 02:07:41.389797  # [   61.341823] #PF: supervisor write access in kernel mode

 5554 02:07:41.396252  # [   61.347942] #PF: error_code(0x0003) - permissions violation

 5555 02:07:41.403589  # [   61.354447] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 8000000075c001e1 

 5556 02:07:41.407915  # [   61.362229] Oops: 0003 [#14] SMP PTI

 5557 02:07:41.417247  # [   61.366512] CPU: 3 PID: 1862 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5558 02:07:41.423280  # [   61.375450] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5559 02:07:41.428537  # [   61.382356] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 5560 02:07:41.449188  # [   61.387605] Code: 00 48 c7 c7 68 9d 5f 83 48 c7 c6 d0 ec 17 83 e8 17 da fb ff 48 8b 05 4f 16 97 00 ba 34 12 cd ab 48 c7 c7 98 9d 5f 83 48 31 d0 <48> 89 05 39 16 97 00 e9 f5 d9 fb ff 0f 1f 44 00 00 48 8b 05 88 0c

 5561 02:07:41.456128  # [   61.408836] RSP: 0018:ffffa6d6c24afe60 EFLAGS: 00010202

 5562 02:07:41.463983  # [   61.414959] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 5563 02:07:41.472231  # [   61.423211] RDX: 00000000abcd1234 RSI: ffff930a3bd9bf70 RDI: ffffffff835f9d98

 5564 02:07:41.480272  # [   61.431458] RBP: ffffffff835f8f85 R08: 0000000000000000 R09: 0000000000000000

 5565 02:07:41.489136  # [   61.439703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 5566 02:07:41.503252  # [   61.447956] R13: ffffa6d6c24aff10 R14: ffffa6d6c24aff10 R15: ffff9309c5f49000<6>[   64.962917] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 5567 02:07:41.510817  <6>[   64.974873] lkdtm: attempting good refcount_add() without overflow

 5568 02:07:41.516544  <6>[   64.982080] lkdtm: attempting bad refcount_add() overflow

 5569 02:07:41.522336  <4>[   64.988435] ------------[ cut here ]------------

 5570 02:07:41.523111  

 5571 02:07:41.534066  # [   61.456218] FS:  00007f96161e6580(0000) GS:ffff930a3bd800<4>[   64.993888] refcount_t: saturated; leaking memory.

 5572 02:07:41.537407  00(0000) knlGS:0000000000000000

 5573 02:07:41.550140  # [   61.465534] CS:  0010 DS: <4>[   65.005777] WARNING: CPU: 1 PID: 1999 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5574 02:07:41.553953  0000 ES: 0000 CR0: 0000000080050033

 5575 02:07:41.596545  # [   61.472233] CR2: fffff<4>[   65.021686] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5576 02:07:41.605979  <4>[   65.067861] CPU: 1 PID: 1999 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5577 02:07:41.612830  <4>[   65.076813] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5578 02:07:41.618308  <4>[   65.083731] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5579 02:07:41.641017  <4>[   65.089882] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 21 f2 f6 01 00 75 ee 48 c7 c7 28 3f 55 83 c6 05 11 f2 f6 01 01 e8 26 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55

 5580 02:07:41.645916  <4>[   65.111151] RSP: 0018:ffffa6d6c269fe48 EFLAGS: 00010286

 5581 02:07:41.653787  <4>[   65.117286] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 5582 02:07:41.662505  <4>[   65.125542] RDX: ffff930a3bcac660 RSI: ffff930a3bc9bf70 RDI: ffff930a3bc9bf70

 5583 02:07:41.670976  <4>[   65.133804] RBP: ffffffff835f8fc3 R08: 0000000000000000 R09: 0000000000000000

 5584 02:07:41.679050  <4>[   65.142069] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5585 02:07:41.687364  <4>[   65.150333] R13: ffffa6d6c269ff10 R14: ffffa6d6c269ff10 R15: ffff9309c2769000

 5586 02:07:41.696687  <4>[   65.158608] FS:  00007f70d9aa8580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000

 5587 02:07:41.702826  <4>[   65.167938] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5588 02:07:41.709312  fff8317ecd0 CR3: 0000000106932000 CR4: 00000000003506e0

 5589 02:07:41.717722  # [   6<4>[   65.174656] CR2: 00007f70d98b2000 CR3: 0000000105e38000 CR4: 00000000003506e0

 5590 02:07:41.720939  <4>[   65.189114] Call Trace:

 5591 02:07:41.724558  <4>[   65.192161]  ? __warn+0x80/0x110

 5592 02:07:41.726859  1.480489] Call Trace:

 5593 02:07:41.736251  # [   61.483521]  ? __die_body.cold+0x1a/<4>[   65.196070]  ? refcount_warn_saturate+0x51/0x110

 5594 02:07:41.737072  0x1f

 5595 02:07:41.741771  # [   61.488195]  ? no_context+0x177/0x380

 5596 02:07:41.746759  # [   61.49257<4>[   65.207695]  ? report_bug+0x9e/0xc0

 5597 02:07:41.752303  <4>[   65.218093]  ? handle_bug+0x41/0x90

 5598 02:07:41.756237  <4>[   65.222300]  ? exc_invalid_op+0x14/0x70

 5599 02:07:41.760307  <4>[   65.226891]  ? asm_exc_invalid_op+0x12/0x20

 5600 02:07:41.766131  <4>[   65.231873]  ? refcount_warn_saturate+0x51/0x110

 5601 02:07:41.769064  9]  ? exc_page_fault+0xd7/0x170

 5602 02:07:41.777237  # [   61.497248]  ? asm_exc_pag<4>[   65.237327]  ? refcount_warn_saturate+0x51/0x110

 5603 02:07:41.779189  e_fault+0x1e/0x30

 5604 02:07:41.784116  # [   61.502212]  ? lkdtm_WRITE_RO+0x2e/0x3a

 5605 02:07:41.788993  <4>[   65.248978]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 5606 02:07:41.789104  

 5607 02:07:41.794735  # [   61.506779]  direct_entry.cold+0x2c/0x38

 5608 02:07:41.800120  # [   61.511446]<4>[   65.260800]  direct_entry.cold+0x2c/0x38

 5609 02:07:41.803291    full_proxy_write+0x56/0x80

 5610 02:07:41.810857  # [   61.516019]  vfs_write+0xea/0<4>[   65.271676]  full_proxy_write+0x56/0x80

 5611 02:07:41.812349  x3b0

 5612 02:07:41.815263  # [   61.520008]  ksys_write+0x68/0xf0

 5613 02:07:41.821126  # [   61.523999]  <4>[   65.282470]  vfs_write+0xea/0x3b0

 5614 02:07:41.823801  do_syscall_64+0x33/0x40

 5615 02:07:41.831415  # [   61.528284]  entry_SYSCALL_64_afte<4>[   65.292687]  ksys_write+0x68/0xf0

 5616 02:07:41.836827  <4>[   65.302882]  do_syscall_64+0x33/0x40

 5617 02:07:41.837969  r_hwframe+0x61/0xc6

 5618 02:07:41.842727  # [   61.534211] RIP: 0033:0x7f96160fc473

 5619 02:07:41.847937  <4>[   65.307233]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5620 02:07:41.858660  # [   61.538489] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0<4>[   65.319366] RIP: 0033:0x7f70d99be473

 5621 02:07:41.880135  <4>[   65.329849] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5622 02:07:41.889071  <4>[   65.351089] RSP: 002b:00007ffc20aa36c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5623 02:07:41.897094  <4>[   65.359844] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f70d99be473

 5624 02:07:41.905771  <4>[   65.368107] RDX: 0000000000000016 RSI: 00007f70d98b2000 RDI: 0000000000000001

 5625 02:07:41.913435  <4>[   65.376368] RBP: 00007f70d98b2000 R08: 00007f70d98b1010 R09: 0000000000000000

 5626 02:07:41.921574  <4>[   65.384631] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5627 02:07:41.929894  <4>[   65.392895] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5628 02:07:41.934256  <4>[   65.401172] irq event stamp: 0

 5629 02:07:41.941032  <4>[   65.404888] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5630 02:07:41.950710  <4>[   65.412192] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5631 02:07:41.959872  <4>[   65.421626] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5632 02:07:41.966890  <4>[   65.431053] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5633 02:07:41.972606  <4>[   65.438349] ---[ end trace bf7d0a621a4c6672 ]---

 5634 02:07:41.978143  <6>[   65.443794] lkdtm: Overflow detected: saturated

 5635 02:07:41.993204   ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5636 02:07:42.002022  # [   61.559724] RSP: 002b:00007ffd2cc3ed98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5637 02:07:42.010022  # [   61.568456] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f96160fc473

 5638 02:07:42.017860  # [   61.576716] RDX: 0000000000000009 RSI: 00007f9615ff0000 RDI: 0000000000000001

 5639 02:07:42.026461  # [   61.584974] RBP: 00007f9615ff0000 R08: 00007f9615fef010 R09: 0000000000000000

 5640 02:07:42.034219  # [   61.593220] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5641 02:07:42.041854  # [   61.601466] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5642 02:07:42.082500  # [   61.609723] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5643 02:07:42.086076  # [   61.649721] CR2: ffffffff8317ecd0

 5644 02:07:42.091083  # [   61.653709] ---[ end trace bf7d0a621a4c666e ]---

 5645 02:07:42.096351  # [   61.659141] RIP: 0010:lkdtm_BUG+0x5/0x10

 5646 02:07:42.116653  # [   61.663805] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 5647 02:07:42.122680  # [   61.685022] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 5648 02:07:42.130926  # [   61.691136] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 5649 02:07:42.139477  # [   61.699394] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 5650 02:07:42.147676  # [   61.707643] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 5651 02:07:42.154928  # [   61.715891] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5652 02:07:42.163454  # [   61.724133] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 5653 02:07:42.172817  # [   61.732380] FS:  00007f96161e6580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 5654 02:07:42.179030  # [   61.741701] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5655 02:07:42.187158  # [   61.748405] CR2: ffffffff8317ecd0 CR3: 0000000106932000 CR4: 00000000003506e0

 5656 02:07:42.197206  # [   61.756663] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5657 02:07:42.205593  # [   61.766844] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1862, name: cat

 5658 02:07:42.210652  # [   61.775580] INFO: lockdep is turned off.

 5659 02:07:42.214576  # [   61.780244] irq event stamp: 0

 5660 02:07:42.221062  # [   61.783940] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5661 02:07:42.230828  # [   61.791228] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5662 02:07:42.240013  # [   61.800643] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5663 02:07:42.247652  # [   61.810050] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5664 02:07:42.255770  # [   61.817339] CPU: 3 PID: 1862 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5665 02:07:42.262666  # [   61.826267] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5666 02:07:42.265213  # [   61.833163] Call Trace:

 5667 02:07:42.269825  # [   61.836186]  dump_stack+0x77/0x9b

 5668 02:07:42.273975  # [   61.840178]  ___might_sleep.cold+0xa6/0xb6

 5669 02:07:42.278592  # [   61.845035]  exit_signals+0x1c/0x300

 5670 02:07:42.283171  # [   61.849319]  do_exit+0xc2/0xab0

 5671 02:07:42.286509  # [   61.853112]  ? ksys_write+0x68/0xf0

 5672 02:07:42.290228  # [   61.857292]  make_task_dead+0x2f/0x30

 5673 02:07:42.296316  # [   61.861670]  rewind_stack_and_make_dead+0x17/0x20

 5674 02:07:42.299876  # [   61.867209] RIP: 0033:0x7f96160fc473

 5675 02:07:42.328998  # [   61.871486] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 8<6>[   65.785234] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 5676 02:07:42.329105  3 ec 28 48 89 54 24 18

 5677 02:07:42.340283  # [   61.892727] RSP: 002b:00007ffd2cc3e<6>[   65.798290] lkdtm: attempting bad refcount_inc_not_zero() overflow

 5678 02:07:42.344629  d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5679 02:07:42.352340  # [   61.901461<4>[   65.811719] ------------[ cut here ]------------

 5680 02:07:42.364260  ] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f96160fc<4>[   65.823354] refcount_t: saturated; leaking memory.

 5681 02:07:42.365193  473

 5682 02:07:42.379445  # [   61.909705] RDX: 0000000000000009 RSI: 00007f9615ff000<4>[   65.835244] WARNING: CPU: 3 PID: 2031 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5683 02:07:42.382216  0 RDI: 0000000000000001

 5684 02:07:42.426536  # [   61.917955] RBP: 00007f9615ff0000 <4>[   65.851175] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5685 02:07:42.431440  R08: 00007f9615fef010 R09: 0000000000000000

 5686 02:07:42.441309  # [   61.926217] R1<4>[   65.897301] CPU: 3 PID: 2031 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5687 02:07:42.447465  0: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5688 02:07:42.454701  <4>[   65.912380] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5689 02:07:42.455185  

 5690 02:07:42.466605  # [   61.934476] R13: 0000000000000001 R14: 0000000000020000 R1<4>[   65.925515] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5691 02:07:42.468595  5: 0000000000020000

 5692 02:07:42.473087  # WRITE_RO: saw 'call trace:': ok

 5693 02:07:42.494414  ok 39 se<4>[   65.937829] Code: 01 01 e8 03 ee c0 00 0f 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 83 c6 05 cc f1 f6 01 01 e8 e0 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55

 5694 02:07:42.497885  lftests: lkdtm: WRITE_RO.sh

 5695 02:07:42.506572  # selftests: lkdtm: WRITE_RO_AFTER_<4>[   65.965281] RSP: 0018:ffffa6d6c271fe38 EFLAGS: 00010282

 5696 02:07:42.507382  INIT.sh

 5697 02:07:42.508436  # Killed

 5698 02:07:42.521050  # [   62.339562] lkdtm: Performing direct ent<4>[   65.977588] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5699 02:07:42.522747  ry WRITE_RO_AFTER_INIT

 5700 02:07:42.535334  # [   62.346701] lkdtm: attempting bad r<4>[   65.992067] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70

 5701 02:07:42.539226  o_after_init write at ffffffff8367e330

 5702 02:07:42.549520  # [   62.354630] BUG: un<4>[   66.006500] RBP: ffffffff835f8c00 R08: 0000000000000000 R09: 0000000000000000

 5703 02:07:42.555623  able to handle page fault for address: ffffffff8367e330

 5704 02:07:42.564375  # [   6<4>[   66.020976] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5705 02:07:42.569839  2.362595] #PF: supervisor write access in kernel mode

 5706 02:07:42.578287  # [   62.<4>[   66.035423] R13: ffffa6d6c271ff10 R14: ffffa6d6c271ff10 R15: ffff9309c2bf2000

 5707 02:07:42.584175  368705] #PF: error_code(0x0003) - permissions violation

 5708 02:07:42.593858  # [   6<4>[   66.049892] FS:  00007f7f506f0580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 5709 02:07:42.607532  2.375204] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 105998163 P<4>[   66.065438] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5710 02:07:42.609074  TE 800000007627e061

 5711 02:07:42.613318  # [   62.390445] Oops: 0003 [#15] SMP PTI

 5712 02:07:42.621480  <4>[   66.078333] CR2: 00007f7f504fa000 CR3: 00000001046a6000 CR4: 00000000003506e0

 5713 02:07:42.631208  # [   62.394726] CPU: 2 PID: 1897 Comm: cat Tainted: G      D W <4>[   66.092879] Call Trace:

 5714 02:07:42.633920          5.10.182-cip35 #1

 5715 02:07:42.640958  # [   62.403665] Hardware name: Googl<4>[   66.102392]  ? __warn+0x80/0x110

 5716 02:07:42.644256  e Coral/Coral, BIOS  09/29/2020

 5717 02:07:42.652587  # [   62.410572] RIP: 0010:lkdt<4>[   66.112201]  ? refcount_warn_saturate+0x97/0x110

 5718 02:07:42.655625  m_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5719 02:07:42.663030  # [   62.416883] Code: 9d 5f 83<4>[   66.124039]  ? report_bug+0x9e/0xc0

 5720 02:07:42.674294   e9 c9 d9 fb ff 48 c7 c7 f0 9d 5f 83 e8 bd d9 fb ff 48 8b 05 55 <4>[   66.134452]  ? handle_bug+0x41/0x90

 5721 02:07:42.683978  0c e7 00 ba 34 12 cd ab 48 c7 c7 98 9d 5f 83 48 31 d0 <48> 89 05<4>[   66.144633]  ? exc_invalid_op+0x14/0x70

 5722 02:07:42.689536   3f 0c e7 00 e9 9b d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 5723 02:07:42.694814  # [  <4>[   66.155559]  ? asm_exc_invalid_op+0x12/0x20

 5724 02:07:42.700541   62.438130] RSP: 0018:ffffa6d6c253fe60 EFLAGS: 00010202

 5725 02:07:42.707105  # [   6<4>[   66.166668]  ? refcount_warn_saturate+0x97/0x110

 5726 02:07:42.718707  2.444256] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 00000<4>[   66.178355]  ? refcount_warn_saturate+0x97/0x110

 5727 02:07:42.719646  00000000000

 5728 02:07:42.731830  # [   62.452497] RDX: 00000000abcd1234 RSI: ffff930<4>[   66.190031]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5729 02:07:42.734979  a3bd1bf70 RDI: ffffffff835f9d98

 5730 02:07:42.744396  # [   62.460745] RBP: ffffffff8<4>[   66.202617]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 5731 02:07:42.749019  35f8f8e R08: 0000000000000000 R09: 0000000000000000

 5732 02:07:42.755398  # [   62.46<4>[   66.215292]  direct_entry.cold+0x2c/0x38

 5733 02:07:42.765291  8998] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000<4>[   66.226199]  full_proxy_write+0x56/0x80

 5734 02:07:42.766236  0000014

 5735 02:07:42.775375  # [   62.477246] R13: ffffa6d6c253ff10 R14: ffffa6d6c25<4>[   66.236940]  vfs_write+0xea/0x3b0

 5736 02:07:42.778245  3ff10 R15: ffff9309c3cfa000

 5737 02:07:42.786207  # [   62.485495] FS:  00007f04bc373<4>[   66.247175]  ksys_write+0x68/0xf0

 5738 02:07:42.791188  580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 5739 02:07:42.795942  # [ <4>[   66.257395]  do_syscall_64+0x33/0x40

 5740 02:07:42.802216    62.494797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5741 02:07:42.808448  <4>[   66.267852]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5742 02:07:42.818907  # [   62.501490] CR2: ffffffff8367e330 CR3: 0000000105cea000 CR4<4>[   66.279983] RIP: 0033:0x7f7f50606473

 5743 02:07:42.820970  : 00000000003506e0

 5744 02:07:42.823643  # [   62.509739] Call Trace:

 5745 02:07:42.846821  # [   62.51276<4>[   66.290451] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5746 02:07:42.849352  9]  ? __die_body.cold+0x1a/0x1f

 5747 02:07:42.861268  # [   62.517445]  ? no_context+<4>[   66.317868] RSP: 002b:00007fff4ff6c2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5748 02:07:42.863024  0x177/0x380

 5749 02:07:42.867506  # [   62.521827]  ? exc_page_fault+0xd7/0x170

 5750 02:07:42.875792  # [ <4>[   66.332863] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7f50606473

 5751 02:07:42.880169    62.526495]  ? asm_exc_page_fault+0x1e/0x30

 5752 02:07:42.890357  # [   62.531460]  <4>[   66.347127] RDX: 000000000000001f RSI: 00007f7f504fa000 RDI: 0000000000000001

 5753 02:07:42.894232  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5754 02:07:42.904727  # [   62.537104]  direct_<4>[   66.361627] RBP: 00007f7f504fa000 R08: 00007f7f504f9010 R09: 0000000000000000

 5755 02:07:42.906845  entry.cold+0x2c/0x38

 5756 02:07:42.919802  # [   62.541779]  full_proxy_write+0x56/0x<4>[   66.376058] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5757 02:07:42.920230  80

 5758 02:07:42.923527  # [   62.546354]  vfs_write+0xea/0x3b0

 5759 02:07:42.933581  # [   62.550346]  ks<4>[   66.390535] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5760 02:07:42.935517  ys_write+0x68/0xf0

 5761 02:07:42.939714  # [   62.554337]  do_syscall_64+0x33/0x40

 5762 02:07:42.943676  #<4>[   66.404980] irq event stamp: 0

 5763 02:07:42.949588   [   62.558612]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5764 02:07:42.957379  # [  <4>[   66.414885] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5765 02:07:42.960546   62.564540] RIP: 0033:0x7f04bc289473

 5766 02:07:42.972557  # [   62.568821] Code: 8b <4>[   66.428419] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5767 02:07:42.988572  15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0<4>[   66.444032] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5768 02:07:43.002875  0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> <4>[   66.459773] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5769 02:07:43.008653  3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5770 02:07:43.013435  <4>[   66.473195] ---[ end trace bf7d0a621a4c6673 ]---

 5771 02:07:43.024842  # [   62.590050] RSP: 002b:00007ffcab64ec38 EFLAGS: 00000246 ORI<6>[   66.484888] lkdtm: Overflow detected: saturated

 5772 02:07:43.027606  G_RAX: 0000000000000001

 5773 02:07:43.035796  # [   62.598788] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f04bc289473

 5774 02:07:43.044017  # [   62.607035] RDX: 0000000000000014 RSI: 00007f04bc17d000 RDI: 0000000000000001

 5775 02:07:43.053107  # [   62.615284] RBP: 00007f04bc17d000 R08: 00007f04bc17c010 R09: 0000000000000000

 5776 02:07:43.061254  # [   62.623541] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5777 02:07:43.068375  # [   62.631802] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5778 02:07:43.107855  # [   62.640074] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5779 02:07:43.111743  # [   62.686289] CR2: ffffffff8367e330

 5780 02:07:43.117732  # [   62.690276] ---[ end trace bf7d0a621a4c666f ]---

 5781 02:07:43.121786  # [   62.695720] RIP: 0010:lkdtm_BUG+0x5/0x10

 5782 02:07:43.142941  # [   62.700383] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02

 5783 02:07:43.149144  # [   62.721611] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 5784 02:07:43.157550  # [   62.727726] RAX: ffffffff82179540 RBX: 0000000000000001 RCX: 0000000000000000

 5785 02:07:43.165694  # [   62.735968] RDX: 0000000000000000 RSI: ffff930a3bd1bf70 RDI: ffffffff8317e850

 5786 02:07:43.173877  # [   62.744210] RBP: ffffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 5787 02:07:43.181548  # [   62.752455] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5788 02:07:43.190101  # [   62.760699] R13: ffffa6d6c1257f10 R14: ffffa6d6c1257f10 R15: ffff9309c4524000

 5789 02:07:43.198827  # [   62.768956] FS:  00007f04bc373580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 5790 02:07:43.205528  # [   62.778274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5791 02:07:43.213886  # [   62.784974] CR2: ffffffff8367e330 CR3: 0000000105cea000 CR4: 00000000003506e0

 5792 02:07:43.217773  # WRITE_RO_AFTER_INIT: saw 'call trace:': ok

 5793 02:07:43.222894  ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 5794 02:07:43.226506  # selftests: lkdtm: WRITE_KERN.sh

 5795 02:07:43.226893  # Killed

 5796 02:07:43.233387  # [   63.123683] lkdtm: Performing direct entry WRITE_KERN

 5797 02:07:43.240929  # [   63.134082] lkdtm: attempting bad 6896875 byte write at ffffffff8280d5fb

 5798 02:07:43.248823  # [   63.141914] BUG: unable to handle page fault for address: ffffffff8280d5fb

 5799 02:07:43.254506  # [   63.149884] #PF: supervisor write access in kernel mode

 5800 02:07:43.261367  # [   63.156007] #PF: error_code(0x0003) - permissions violation

 5801 02:07:43.268555  # [   63.162517] PGD 76429067 P4D 76429067 PUD 7642a063 PMD 754001e1 

 5802 02:07:43.272296  # [   63.175710] Oops: 0003 [#16] SMP PTI

 5803 02:07:43.281175  # [   63.179987] CPU: 2 PID: 1932 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5804 02:07:43.287952  # [   63.195127] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5805 02:07:43.292891  # [   63.202038] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 5806 02:07:43.314434  # [   63.207486] Code: 53 48 c7 c3 fb d5 80 82 49 89 dc 48 89 da 49 81 ec 10 99 17 82 4c 89 e6 e8 70 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 10 99 17 82 <f3> a4 48 c7 c7 98 9d 5f 83 e8 55 d9 fb ff 5b 41 5c e9 b7 fe ff ff

 5807 02:07:43.320072  # [   63.228735] RSP: 0018:ffffa6d6c25afe50 EFLAGS: 00010246

 5808 02:07:43.328215  # [   63.234861] RAX: 000000000000003c RBX: ffffffff8280d5fb RCX: 0000000000693ceb

 5809 02:07:43.336425  # [   63.243113] RDX: 0000000000000000 RSI: ffffffff82179910 RDI: ffffffff8280d5fb

 5810 02:07:43.344257  # [   63.251367] RBP: ffffffff835f8fa2 R08: 0000000000000000 R09: 0000000000000000

 5811 02:07:43.352168  # [   63.259612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000693ceb

 5812 02:07:43.360409  # [   63.267857] R13: ffffa6d6c25aff10 R14: ffffa6d6c25aff10 R15: ffff9309c327d000

 5813 02:07:43.369830  # [   63.276101] FS:  00007fe80124d580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 5814 02:07:43.376379  # [   63.285412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5815 02:07:43.386439  # [   63.292108] CR2: f<6>[   66.849933] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 5816 02:07:43.392343  fffffff8280d5fb CR3: 00000001059aa000 CR4: 00000000003506e0

 5817 02:07:43.400225  # [<6>[   66.858008] lkdtm: attempting bad refcount_add_not_zero() overflow

 5818 02:07:43.402509     63.300356] Call Trace:

 5819 02:07:43.411532  # [   63.303383]  ? __die_body.cold+0<4>[   66.871441] ------------[ cut here ]------------

 5820 02:07:43.412675  x1a/0x1f

 5821 02:07:43.416846  # [   63.308055]  ? no_context+0x177/0x380

 5822 02:07:43.423881  # [   63.3<4>[   66.883097] refcount_t: saturated; leaking memory.

 5823 02:07:43.428843  12441]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5824 02:07:43.439203  # [   63.318179]<4>[   66.894984] WARNING: CPU: 3 PID: 2063 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5825 02:07:43.442331    ? exc_page_fault+0xd7/0x170

 5826 02:07:43.485539  # [   63.322851]  ? asm_exc_page_<4>[   66.910850] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5827 02:07:43.487790  fault+0x1e/0x30

 5828 02:07:43.500683  # [   63.327817]  ? lkdtm_SLAB_FREE_CROSS.cold+<4>[   66.957077] CPU: 3 PID: 2063 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5829 02:07:43.502199  0x32/0x32

 5830 02:07:43.506998  # [   63.333552]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 5831 02:07:43.514678  #<4>[   66.972176] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5832 02:07:43.519323   [   63.338700]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5833 02:07:43.527435  # [   6<4>[   66.985260] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5834 02:07:43.530312  3.344432]  ? lkdtm_WRITE_KERN+0x38/0x4e

 5835 02:07:43.554276  # [   63.349195]  direc<4>[   66.997578] Code: 01 01 e8 03 ee c0 00 0f 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 83 c6 05 cc f1 f6 01 01 e8 e0 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55

 5836 02:07:43.556022  t_entry.cold+0x2c/0x38

 5837 02:07:43.566047  # [   63.353865]  full_proxy_write+0x56/<4>[   67.025059] RSP: 0018:ffffa6d6c275fe38 EFLAGS: 00010282

 5838 02:07:43.566694  0x80

 5839 02:07:43.570380  # [   63.358436]  vfs_write+0xea/0x3b0

 5840 02:07:43.580028  # [   63.362424]  <4>[   67.037377] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5841 02:07:43.582668  ksys_write+0x68/0xf0

 5842 02:07:43.587419  # [   63.366417]  do_syscall_64+0x33/0x40

 5843 02:07:43.594827  <4>[   67.051857] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70

 5844 02:07:43.595491  

 5845 02:07:43.601149  # [   63.370692]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5846 02:07:43.609583  # [<4>[   67.066319] RBP: ffffffff835f8c20 R08: 0000000000000000 R09: 0000000000000000

 5847 02:07:43.613320     63.382811] RIP: 0033:0x7fe801163473

 5848 02:07:43.623878  # [   63.387090] Code: 8<4>[   67.080829] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5849 02:07:43.638542  b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f<4>[   67.095287] R13: ffffa6d6c275ff10 R14: ffffa6d6c275ff10 R15: ffff9309c3d60000

 5850 02:07:43.653864   00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48<4>[   67.109789] FS:  00007fd5775d0580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 5851 02:07:43.666632  > 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18<4>[   67.125320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5852 02:07:43.667455  

 5853 02:07:43.681932  # [   63.408319] RSP: 002b:00007ffe88140408 EFLAGS: 00000246 O<4>[   67.138318] CR2: 00007fd5773da000 CR3: 0000000105cea000 CR4: 00000000003506e0

 5854 02:07:43.684319  RIG_RAX: 0000000000000001

 5855 02:07:43.690643  # [   63.417062] RAX: ffffffffffffffd<4>[   67.153104] Call Trace:

 5856 02:07:43.695134  a RBX: 000000000000000b RCX: 00007fe801163473

 5857 02:07:43.700796  # [   63.425318] <4>[   67.162054]  ? __warn+0x80/0x110

 5858 02:07:43.712310  RDX: 000000000000000b RSI: 00007fe801057000 RDI: 000000000000000<4>[   67.172336]  ? refcount_warn_saturate+0x97/0x110

 5859 02:07:43.712796  1

 5860 02:07:43.723618  # [   63.433568] RBP: 00007fe801057000 R08: 00007fe801056010 <4>[   67.183950]  ? report_bug+0x9e/0xc0

 5861 02:07:43.725396  R09: 0000000000000000

 5862 02:07:43.733188  # [   63.441820] R10: fffffffffffffbc5 R1<4>[   67.194320]  ? handle_bug+0x41/0x90

 5863 02:07:43.737655  1: 0000000000000246 R12: 0000000000000001

 5864 02:07:43.744480  # [   63.450068] R13:<4>[   67.204659]  ? exc_invalid_op+0x14/0x70

 5865 02:07:43.750026   0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5866 02:07:43.755198  #<4>[   67.215472]  ? asm_exc_invalid_op+0x12/0x20

 5867 02:07:43.767241   [   63.458326] Modules linked in: fuse ip_tables uvcvideo video<4>[   67.226627]  ? refcount_warn_saturate+0x97/0x110

 5868 02:07:43.778319  buf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cro<4>[   67.238340]  ? refcount_warn_saturate+0x97/0x110

 5869 02:07:43.791053  s_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugf<4>[   67.249939]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5870 02:07:43.804387  s videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_d<4>[   67.262619]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 5871 02:07:43.814997  a7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd<4>[   67.275414]  direct_entry.cold+0x2c/0x38

 5872 02:07:43.826268  _notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chrome<4>[   67.286254]  full_proxy_write+0x56/0x80

 5873 02:07:43.827982  os_pstore coreboot_table

 5874 02:07:43.835657  # [   63.498366] CR2: ffffffff8280d5fb<4>[   67.297049]  vfs_write+0xea/0x3b0

 5875 02:07:43.836283  

 5876 02:07:43.842090  # [   63.502353] ---[ end trace bf7d0a621a4c6670 ]---

 5877 02:07:43.846895  # [   6<4>[   67.307241]  ksys_write+0x68/0xf0

 5878 02:07:43.850232  3.507794] RIP: 0010:lkdtm_BUG+0x5/0x10

 5879 02:07:43.856403  # [   63.512455] Code: 8<4>[   67.317466]  do_syscall_64+0x33/0x40

 5880 02:07:43.868609  9 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff<4>[   67.327898]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5881 02:07:43.879849   ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f<4>[   67.340159] RIP: 0033:0x7fd5774e6473

 5882 02:07:43.906902  > 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02<4>[   67.350662] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5883 02:07:43.907411  

 5884 02:07:43.913705  # [   63.533683] RSP: 0018:ffffa6d6c1257e60 EFLAGS: 00010282

 5885 02:07:43.923845  <4>[   67.378177] RSP: 002b:00007ffe0258e6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5886 02:07:43.936035  # [   63.539799] RAX: ffffffff82179540 RBX: 0000000000000001 RCX<4>[   67.393119] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd5774e6473

 5887 02:07:43.938003  : 0000000000000000

 5888 02:07:43.951272  # [   63.548049] RDX: 0000000000000000 RSI: <4>[   67.407572] RDX: 000000000000001f RSI: 00007fd5773da000 RDI: 0000000000000001

 5889 02:07:43.954169  ffff930a3bd1bf70 RDI: ffffffff8317e850

 5890 02:07:43.965019  # [   63.556300] RBP: ff<4>[   67.422084] RBP: 00007fd5773da000 R08: 00007fd5773d9010 R09: 0000000000000000

 5891 02:07:43.971403  ffffff8365d410 R08: 0000000000000001 R09: 0000000000000001

 5892 02:07:43.979218  # [ <4>[   67.436545] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5893 02:07:43.993867    63.564547] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00<4>[   67.451081] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5894 02:07:43.995810  00000000000004

 5895 02:07:44.004411  # [   63.572791] R13: ffffa6d6c1257f10 R14: ffff<4>[   67.465534] irq event stamp: 0

 5896 02:07:44.007886  a6d6c1257f10 R15: ffff9309c4524000

 5897 02:07:44.017416  # [   63.581048] FS:  00007f<4>[   67.475373] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5898 02:07:44.034289  e80124d580(0000) GS:ffff930a3bd00000(0000) knlGS:000000000000000<4>[   67.488965] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5899 02:07:44.034775  0

 5900 02:07:44.049706  # [   63.590376] CS:  0010 DS: 0000 ES: 0000 CR0: 00000000800<4>[   67.504499] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5901 02:07:44.050191  50033

 5902 02:07:44.062658  # [   63.597073] CR2: ffffffff8280d5fb CR3: 00000001059aa<4>[   67.520244] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5903 02:07:44.065013  000 CR4: 00000000003506e0

 5904 02:07:44.074171  # [   63.605332] BUG: sleeping functi<4>[   67.533617] ---[ end trace bf7d0a621a4c6674 ]---

 5905 02:07:44.085376  on called from invalid context at include/linux/percpu-rwsem.h:4<6>[   67.545334] lkdtm: Overflow detected: saturated

 5906 02:07:44.085924  9

 5907 02:07:44.094633  # [   63.615516] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1932, name: cat

 5908 02:07:44.098960  # [   63.624257] INFO: lockdep is turned off.

 5909 02:07:44.102538  # [   63.628925] irq event stamp: 0

 5910 02:07:44.109246  # [   63.632620] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5911 02:07:44.119121  # [   63.639908] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5912 02:07:44.128445  # [   63.649329] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 5913 02:07:44.135946  # [   63.658761] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5914 02:07:44.144463  # [   63.666058] CPU: 2 PID: 1932 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5915 02:07:44.151212  # [   63.675000] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5916 02:07:44.154380  # [   63.681893] Call Trace:

 5917 02:07:44.158804  # [   63.684919]  dump_stack+0x77/0x9b

 5918 02:07:44.163765  # [   63.688914]  ___might_sleep.cold+0xa6/0xb6

 5919 02:07:44.167222  # [   63.693783]  exit_signals+0x1c/0x300

 5920 02:07:44.170872  # [   63.698069]  do_exit+0xc2/0xab0

 5921 02:07:44.175162  # [   63.701861]  ? ksys_write+0x68/0xf0

 5922 02:07:44.180074  # [   63.706052]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5923 02:07:44.184575  # [   63.711794]  make_task_dead+0x2f/0x30

 5924 02:07:44.190265  # [   63.716170]  rewind_stack_and_make_dead+0x17/0x20

 5925 02:07:44.194426  # [   63.721702] RIP: 0033:0x7fe801163473

 5926 02:07:44.215473  # [   63.725984] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5927 02:07:44.223985  # [   63.747233] RSP: 002b:00007ffe88140408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5928 02:07:44.232556  # [   63.755971] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe801163473

 5929 02:07:44.240258  # [   63.764216] RDX: 000000000000000b RSI: 00007fe801057000 RDI: 0000000000000001

 5930 02:07:44.248602  # [   63.772467] RBP: 00007fe801057000 R08: 00007fe801056010 R09: 0000000000000000

 5931 02:07:44.256292  # [   63.780716] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5932 02:07:44.265614  # [   63.788964] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5933 02:07:44.268582  # WRITE_KERN: saw 'call trace:': ok

 5934 02:07:44.271803  ok 41 selftests: lkdtm: WRITE_KERN.sh

 5935 02:07:44.276559  # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 5936 02:07:44.284059  # [   64.208273] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 5937 02:07:44.290465  # [   64.220100] lkdtm: attempting good refcount_inc() without overflow

 5938 02:07:44.296549  # [   64.227313] lkdtm: attempting bad refcount_inc() overflow

 5939 02:07:44.302121  # [   64.233661] ------------[ cut here ]------------

 5940 02:07:44.307317  # [   64.239119] refcount_t: saturated; leaking memory.

 5941 02:07:44.317760  # [   64.244830] WARNING: CPU: 0 PID: 1967 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5942 02:07:44.357010  # [   64.254550] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5943 02:07:44.365973  # [   64.300758] CPU: 0 PID: 1967 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5944 02:07:44.372529  # [   64.309721] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5945 02:07:44.378709  # [   64.316636] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5946 02:07:44.399716  # [   64.322775] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 21 f2 f6 01 00 75 ee 48 c7 c7 28 3f 55 83 c6 05 11 f2 f6 01 01 e8 26 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55

 5947 02:07:44.406045  # [   64.344026] RSP: 0018:ffffa6d6c260fe48 EFLAGS: 00010286

 5948 02:07:44.414747  # [   64.350164] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 5949 02:07:44.427435  # [   64.358430] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff<6>[   67.888855] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 5950 02:07:44.428905  930a3bc1bf70

 5951 02:07:44.439134  # [   64.366705] RBP: ffffffff835f8fad R08: 000000<6>[   67.898668] lkdtm: attempting good refcount_dec()

 5952 02:07:44.442055  0000000000 R09: 0000000000000000

 5953 02:07:44.451349  # [   64.374972] R10: 00000000<6>[   67.910409] lkdtm: attempting bad refcount_dec() to zero

 5954 02:07:44.457058  ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5955 02:07:44.463314  # [   64.3<4>[   67.922830] ------------[ cut here ]------------

 5956 02:07:44.469222  <4>[   67.934507] refcount_t: decrement hit 0; leaking memory.

 5957 02:07:44.479074  <4>[   67.940807] WARNING: CPU: 0 PID: 2095 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5958 02:07:44.525132  83236] R13: ffffa6d6c260ff10 R14: ffffa6d6c260ff10 R15: ffff9309<4>[   67.950550] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5959 02:07:44.534388  <4>[   67.996874] CPU: 0 PID: 2095 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 5960 02:07:44.542555  <4>[   68.005859] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5961 02:07:44.547342  <4>[   68.012782] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5962 02:07:44.569269  <4>[   68.018924] Code: d8 3f 55 83 c6 05 7d f1 f6 01 01 e8 96 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 a8 3f 55 83 c6 05 64 f1 f6 01 01 e8 7c ed c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5963 02:07:44.574785  <4>[   68.040174] RSP: 0018:ffffa6d6c2807e48 EFLAGS: 00010286

 5964 02:07:44.583874  <4>[   68.046320] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 5965 02:07:44.591337  <4>[   68.054590] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70

 5966 02:07:44.600599  <4>[   68.062855] RBP: ffffffff835f8fd9 R08: 0000000000000000 R09: 0000000000000000

 5967 02:07:44.608177  <4>[   68.071123] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5968 02:07:44.616696  <4>[   68.079394] R13: ffffa6d6c2807f10 R14: ffffa6d6c2807f10 R15: ffff9309c689f000

 5969 02:07:44.626241  <4>[   68.087664] FS:  00007f59ab5f0580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 5970 02:07:44.627046  c6a04000

 5971 02:07:44.638730  # [   64.391511] FS:  00007fc470af2580(0000) GS:ffff93<4>[   68.096998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5972 02:07:44.646768  <4>[   68.109905] CR2: 00007f59ab3fa000 CR3: 0000000103cfa000 CR4: 00000000003506f0

 5973 02:07:44.649847  <4>[   68.118174] Call Trace:

 5974 02:07:44.654016  <4>[   68.121228]  ? __warn+0x80/0x110

 5975 02:07:44.659165  <4>[   68.125146]  ? refcount_warn_saturate+0xfb/0x110

 5976 02:07:44.663040  <4>[   68.130608]  ? report_bug+0x9e/0xc0

 5977 02:07:44.667432  <4>[   68.134815]  ? handle_bug+0x41/0x90

 5978 02:07:44.672371  <4>[   68.139017]  ? exc_invalid_op+0x14/0x70

 5979 02:07:44.677078  <4>[   68.143610]  ? asm_exc_invalid_op+0x12/0x20

 5980 02:07:44.682485  <4>[   68.148599]  ? refcount_warn_saturate+0xfb/0x110

 5981 02:07:44.688249  <4>[   68.154070]  ? refcount_warn_saturate+0xfb/0x110

 5982 02:07:44.693402  <4>[   68.159541]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 5983 02:07:44.697995  <4>[   68.164812]  direct_entry.cold+0x2c/0x38

 5984 02:07:44.702357  <4>[   68.169512]  full_proxy_write+0x56/0x80

 5985 02:07:44.707052  <4>[   68.174115]  vfs_write+0xea/0x3b0

 5986 02:07:44.710679  0a3bc00000(0000) knlGS:0000000000000000

 5987 02:07:44.717186  # [   64.400833] CS:  0<4>[   68.178128]  ksys_write+0x68/0xf0

 5988 02:07:44.721085  010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5989 02:07:44.727747  # [   64.407546] CR<4>[   68.188332]  do_syscall_64+0x33/0x40

 5990 02:07:44.733528  2: 00007fc4708fc000 CR3: 0000000103fda000 CR4: 00000000003506f0

 5991 02:07:44.739386  <4>[   68.198813]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5992 02:07:44.739815  

 5993 02:07:44.743764  # [   64.415813] Call Trace:

 5994 02:07:44.750405  # [   64.418864]  ? __warn+0x80/0<4>[   68.210949] RIP: 0033:0x7f59ab506473

 5995 02:07:44.771391  <4>[   68.221426] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5996 02:07:44.780252  <4>[   68.242675] RSP: 002b:00007ffe72e69bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5997 02:07:44.788033  <4>[   68.251432] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f59ab506473

 5998 02:07:44.797179  <4>[   68.259695] RDX: 0000000000000012 RSI: 00007f59ab3fa000 RDI: 0000000000000001

 5999 02:07:44.797639  x110

 6000 02:07:44.803114  # [   64.422774]  ? refcount_warn_saturate+0x51/0x110

 6001 02:07:44.811647  # [<4>[   68.267961] RBP: 00007f59ab3fa000 R08: 00007f59ab3f9010 R09: 0000000000000000

 6002 02:07:44.819388  <4>[   68.282422] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6003 02:07:44.828491  <4>[   68.290689] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6004 02:07:44.831847     64.428235]  ? report_bug+0x9e/0xc0

 6005 02:07:44.837737  # [   64.432444]  ? handl<4>[   68.298969] irq event stamp: 0

 6006 02:07:44.844476  <4>[   68.308874] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6007 02:07:44.855317  <4>[   68.316170] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6008 02:07:44.863509  <4>[   68.325605] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6009 02:07:44.871042  <4>[   68.335038] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6010 02:07:44.876023  <4>[   68.342337] ---[ end trace bf7d0a621a4c6675 ]---

 6011 02:07:44.881343  <6>[   68.347797] lkdtm: Zero detected: saturated

 6012 02:07:44.883403  e_bug+0x41/0x90

 6013 02:07:44.887698  # [   64.436645]  ? exc_invalid_op+0x14/0x70

 6014 02:07:44.893131  # [   64.441241]  ? asm_exc_invalid_op+0x12/0x20

 6015 02:07:44.897937  # [   64.446228]  ? refcount_warn_saturate+0x51/0x110

 6016 02:07:44.903274  # [   64.451690]  ? refcount_warn_saturate+0x51/0x110

 6017 02:07:44.909308  # [   64.457155]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 6018 02:07:44.913445  # [   64.462815]  direct_entry.cold+0x2c/0x38

 6019 02:07:44.917742  # [   64.467514]  full_proxy_write+0x56/0x80

 6020 02:07:44.923811  # [   64.472119]  vfs_write+0xea/0x3b0

 6021 02:07:44.925659  # [   64.476136]  ksys_write+0x68/0xf0

 6022 02:07:44.929485  # [   64.480158]  do_syscall_64+0x33/0x40

 6023 02:07:44.935175  # [   64.484458]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6024 02:07:44.940216  # [   64.496597] RIP: 0033:0x7fc470a08473

 6025 02:07:44.960683  # [   64.507068] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6026 02:07:44.968950  # [   64.534519] RSP: 002b:00007ffed246d9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6027 02:07:44.977467  # [   64.543279] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc470a08473

 6028 02:07:44.985663  # [   64.551557] RDX: 0000000000000016 RSI: 00007fc4708fc000 RDI: 0000000000000001

 6029 02:07:44.993626  # [   64.559882] RBP: 00007fc4708fc000 R08: 00007fc4708fb010 R09: 0000000000000000

 6030 02:07:45.002647  # [   64.568176] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6031 02:07:45.009989  # [   64.576445] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6032 02:07:45.014106  # [   64.584732] irq event stamp: 0

 6033 02:07:45.021021  # [   64.588446] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6034 02:07:45.030332  # [   64.595744] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6035 02:07:45.039418  # [   64.605174] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6036 02:07:45.046506  # [   64.614592] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6037 02:07:45.052220  # [   64.621936] ---[ end trace bf7d0a621a4c6671 ]---

 6038 02:07:45.057358  # [   64.627396] lkdtm: Overflow detected: saturated

 6039 02:07:45.061655  # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok

 6040 02:07:45.067371  ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 6041 02:07:45.070839  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6042 02:07:45.077550  # [   64.962917] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 6043 02:07:45.085295  # [   64.974873] lkdtm: attempting good refcount_add() without overflow

 6044 02:07:45.091555  # [   64.982080] lkdtm: attempting bad refcount_add() overflow

 6045 02:07:45.096337  # [   64.988435] ------------[ cut here ]------------

 6046 02:07:45.102210  # [   64.993888] refcount_t: saturated; leaking memory.

 6047 02:07:45.112753  # [   65.005777] WARNING: CPU: 1 PID: 1999 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6048 02:07:45.151681  # [   65.021686] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6049 02:07:45.160570  # [   65.067861] CPU: 1 PID: 1999 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 6050 02:07:45.167725  # [   65.076813] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6051 02:07:45.172906  # [   65.083731] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6052 02:07:45.194447  # [   65.089882] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 21 f2 f6 01 00 75 ee 48 c7 c7 28 3f 55 83 c6 05 11 f2 f6 01 01 e8 26 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55

 6053 02:07:45.200912  # [   65.111151] RSP: 0018:ffffa6d6c269fe48 EFLAGS: 00010286

 6054 02:07:45.208175  # [   65.117286] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 6055 02:07:45.217146  # [   65.125542] RDX: ffff930a3bcac660 RSI: ffff930a3bc9bf70 RDI: ffff930a3bc9bf70

 6056 02:07:45.224316  # [   65.133804] RBP: ffffffff835f8fc3 R08: 0000000000000000 R09: 0000000000000000

 6057 02:07:45.235943  # [   65.142069] R10: 00000000ffffe000 R11:<6>[   68.694157] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6058 02:07:45.239832   3fffffffffffffff R12: 0000000000000016

 6059 02:07:45.248195  # [   65.150333] R13: f<6>[   68.707257] lkdtm: attempting bad refcount_dec() below zero

 6060 02:07:45.254673  fffa6d6c269ff10 R14: ffffa6d6c269ff10 R15: ffff9309c2769000

 6061 02:07:45.260361  # [<4>[   68.719987] ------------[ cut here ]------------

 6062 02:07:45.272701     65.158608] FS:  00007f70d9aa8580(0000) GS:ffff930a3bc80000(00<4>[   68.731678] refcount_t: decrement hit 0; leaking memory.

 6063 02:07:45.276389  00) knlGS:0000000000000000

 6064 02:07:45.288409  # [   65.167938] CS:  0010 DS: 0000 <4>[   68.744204] WARNING: CPU: 3 PID: 2130 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6065 02:07:45.291987  ES: 0000 CR0: 0000000080050033

 6066 02:07:45.335531  # [   65.174656] CR2: 00007f70d9<4>[   68.760061] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6067 02:07:45.339834  8b2000 CR3: 0000000105e38000 CR4: 00000000003506e0

 6068 02:07:45.349982  # [   65.189<4>[   68.806216] CPU: 3 PID: 2130 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 6069 02:07:45.351686  114] Call Trace:

 6070 02:07:45.356014  # [   65.192161]  ? __warn+0x80/0x110

 6071 02:07:45.363131  # [   6<4>[   68.821401] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6072 02:07:45.367673  5.196070]  ? refcount_warn_saturate+0x51/0x110

 6073 02:07:45.377448  # [   65.207695]<4>[   68.834739] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6074 02:07:45.378374    ? report_bug+0x9e/0xc0

 6075 02:07:45.402685  # [   65.218093]  ? handle_bug+0x41/0x<4>[   68.846873] Code: d8 3f 55 83 c6 05 7d f1 f6 01 01 e8 96 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 a8 3f 55 83 c6 05 64 f1 f6 01 01 e8 7c ed c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6076 02:07:45.403443  90

 6077 02:07:45.408213  # [   65.222300]  ? exc_invalid_op+0x14/0x70

 6078 02:07:45.414978  # [   65.22689<4>[   68.874485] RSP: 0018:ffffa6d6c2867e48 EFLAGS: 00010286

 6079 02:07:45.419076  1]  ? asm_exc_invalid_op+0x12/0x20

 6080 02:07:45.430136  # [   65.231873]  ? refcount<4>[   68.886758] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6081 02:07:45.432838  _warn_saturate+0x51/0x110

 6082 02:07:45.444156  # [   65.237327]  ? refcount_warn_sat<4>[   68.901201] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70

 6083 02:07:45.445951  urate+0x51/0x110

 6084 02:07:45.458512  # [   65.248978]  lkdtm_REFCOUNT_ADD_OVERFLOW+<4>[   68.915676] RBP: ffffffff835f8feb R08: 0000000000000000 R09: 0000000000000000

 6085 02:07:45.460103  0x7f/0xa7

 6086 02:07:45.464315  # [   65.260800]  direct_entry.cold+0x2c/0x38

 6087 02:07:45.473344  # [   <4>[   68.930091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6088 02:07:45.476935  65.271676]  full_proxy_write+0x56/0x80

 6089 02:07:45.487525  # [   65.282470]  vfs_wr<4>[   68.944583] R13: ffffa6d6c2867f10 R14: ffffa6d6c2867f10 R15: ffff9309c6a8b000

 6090 02:07:45.489781  ite+0xea/0x3b0

 6091 02:07:45.493258  # [   65.292687]  ksys_write+0x68/0xf0

 6092 02:07:45.503093  # [   65<4>[   68.959047] FS:  00007f3fa71f8580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 6093 02:07:45.506757  .302882]  do_syscall_64+0x33/0x40

 6094 02:07:45.515858  # [   65.307233]  entry_SYSCA<4>[   68.974587] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6095 02:07:45.519157  LL_64_after_hwframe+0x61/0xc6

 6096 02:07:45.530529  # [   65.319366] RIP: 0033:0x7f70<4>[   68.987454] CR2: 00007f3fa7002000 CR3: 0000000103258000 CR4: 00000000003506e0

 6097 02:07:45.532155  d99be473

 6098 02:07:45.539638  # [   65.329849] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 0<4>[   69.001929] Call Trace:

 6099 02:07:45.549869  2 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85<4>[   69.011167]  ? __warn+0x80/0x110

 6100 02:07:45.562120   c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1<4>[   69.021283]  ? refcount_warn_saturate+0xfb/0x110

 6101 02:07:45.565589  f 40 00 48 83 ec 28 48 89 54 24 18

 6102 02:07:45.571899  # [   65.351089] RSP: 002b:0<4>[   69.032886]  ? report_bug+0x9e/0xc0

 6103 02:07:45.577657  0007ffc20aa36c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6104 02:07:45.583035  # [<4>[   69.043323]  ? handle_bug+0x41/0x90

 6105 02:07:45.593948     65.359844] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 0<4>[   69.053632]  ? exc_invalid_op+0x14/0x70

 6106 02:07:45.594711  0007f70d99be473

 6107 02:07:45.603970  # [   65.368107] RDX: 0000000000000016 RSI: 000<4>[   69.064375]  ? asm_exc_invalid_op+0x12/0x20

 6108 02:07:45.607867  07f70d98b2000 RDI: 0000000000000001

 6109 02:07:45.615661  # [   65.376368] RBP: 00007<4>[   69.075722]  ? refcount_warn_saturate+0xfb/0x110

 6110 02:07:45.621330  f70d98b2000 R08: 00007f70d98b1010 R09: 0000000000000000

 6111 02:07:45.627551  # [   6<4>[   69.087206]  ? refcount_warn_saturate+0xfb/0x110

 6112 02:07:45.639456  5.384631] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000<4>[   69.098828]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6113 02:07:45.641132  00000000001

 6114 02:07:45.649991  # [   65.392895] R13: 0000000000000001 R14: 0000000<4>[   69.110735]  direct_entry.cold+0x2c/0x38

 6115 02:07:45.653276  000020000 R15: 0000000000020000

 6116 02:07:45.661258  # [   65.401172] irq event stam<4>[   69.121570]  full_proxy_write+0x56/0x80

 6117 02:07:45.662150  p: 0

 6118 02:07:45.671301  # [   65.404888] hardirqs last  enabled at (0): [<00000000<4>[   69.132409]  vfs_write+0xea/0x3b0

 6119 02:07:45.672572  00000000>] 0x0

 6120 02:07:45.681289  # [   65.412192] hardirqs last disabled at (0): <4>[   69.142564]  ksys_write+0x68/0xf0

 6121 02:07:45.686632  [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6122 02:07:45.691533  # [   65.421626]<4>[   69.152771]  do_syscall_64+0x33/0x40

 6123 02:07:45.704263   softirqs last  enabled at (0): [<ffffffff816fd844>] copy_proces<4>[   69.163237]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6124 02:07:45.706609  s+0x664/0x1c60

 6125 02:07:45.714605  # [   65.431053] softirqs last disabled at (0): <4>[   69.175426] RIP: 0033:0x7f3fa710e473

 6126 02:07:45.716517  [<0000000000000000>] 0x0

 6127 02:07:45.743133  # [   65.438349] ---[ end trace bf7d0a<4>[   69.185846] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6128 02:07:45.743582  621a4c6672 ]---

 6129 02:07:45.757040  # [   65.443794] lkdtm: Overflow detected: satu<4>[   69.213339] RSP: 002b:00007ffeda306618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6130 02:07:45.757964  rated

 6131 02:07:45.762633  # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok

 6132 02:07:45.772068  ok 43 sel<4>[   69.228214] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f3fa710e473

 6133 02:07:45.775323  ftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6134 02:07:45.786708  # selftests: lkdtm: REF<4>[   69.242691] RDX: 0000000000000016 RSI: 00007f3fa7002000 RDI: 0000000000000001

 6135 02:07:45.789440  COUNT_INC_NOT_ZERO_OVERFLOW.sh

 6136 02:07:45.800074  # [   65.785234] lkdtm: Performi<4>[   69.257095] RBP: 00007f3fa7002000 R08: 00007f3fa7001010 R09: 0000000000000000

 6137 02:07:45.805165  ng direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 6138 02:07:45.815841  # [   65.798290]<4>[   69.271556] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6139 02:07:45.820083   lkdtm: attempting bad refcount_inc_not_zero() overflow

 6140 02:07:45.829729  # [   6<4>[   69.286006] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6141 02:07:45.833667  5.811719] ------------[ cut here ]------------

 6142 02:07:45.839170  # [   65.823354]<4>[   69.300499] irq event stamp: 0

 6143 02:07:45.843324   refcount_t: saturated; leaking memory.

 6144 02:07:45.852483  # [   65.835244] WARNIN<4>[   69.310352] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6145 02:07:45.867730  G: CPU: 3 PID: 2031 at lib/refcount.c:19 refcount_warn_saturate+<4>[   69.323987] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6146 02:07:45.869550  0x97/0x110

 6147 02:07:45.884039  # [   65.851175] Modules linked in: fuse ip_tables u<4>[   69.339446] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6148 02:07:45.897049  vcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros<4>[   69.355232] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6149 02:07:45.908778  _ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger c<4>[   69.368696] ---[ end trace bf7d0a621a4c6676 ]---

 6150 02:07:45.920171  ros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_<6>[   69.380318] lkdtm: Negative detected: saturated

 6151 02:07:45.936773  dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6152 02:07:45.945364  # [   65.897301] CPU: 3 PID: 2031 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 6153 02:07:45.952210  # [   65.912380] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6154 02:07:45.958261  # [   65.925515] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6155 02:07:45.979565  # [   65.937829] Code: 01 01 e8 03 ee c0 00 0f 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 83 c6 05 cc f1 f6 01 01 e8 e0 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55

 6156 02:07:45.985379  # [   65.965281] RSP: 0018:ffffa6d6c271fe38 EFLAGS: 00010282

 6157 02:07:45.994171  # [   65.977588] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 6158 02:07:46.001352  # [   65.992067] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70

 6159 02:07:46.010800  # [   66.006500] RBP: ffffffff835f8c00 R08: 0000000000000000 R09: 0000000000000000

 6160 02:07:46.017951  # [   66.020976] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6161 02:07:46.025664  # [   66.035423] R13: ffffa6d6c271ff10 R14: ffffa6d6c271ff10 R15: ffff9309c2bf2000

 6162 02:07:46.035564  # [   66.049892] FS:  00007f7f506f0580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 6163 02:07:46.041733  # [   66.065438] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6164 02:07:46.049809  # [   66.078333] CR2: 00007f7f504fa000 CR3: 00000001046a6000 CR4: 00000000003506e0

 6165 02:07:46.052811  # [   66.092879] Call Trace:

 6166 02:07:46.056617  # [   66.102392]  ? __warn+0x80/0x110

 6167 02:07:46.061949  # [   66.112201]  ? refcount_warn_saturate+0x97/0x110

 6168 02:07:46.066289  # [   66.124039]  ? report_bug+0x9e/0xc0

 6169 02:07:46.069924  # [   66.134452]  ? handle_bug+0x41/0x90

 6170 02:07:46.075161  # [   66.144633]  ? exc_invalid_op+0x14/0x70

 6171 02:07:46.079758  # [   66.155559]  ? asm_exc_invalid_op+0x12/0x20

 6172 02:07:46.084936  # [   66.166668]  ? refcount_warn_saturate+0x97/0x110

 6173 02:07:46.090123  # [   66.178355]  ? refcount_warn_saturate+0x97/0x110

 6174 02:07:46.096116  # [   66.190031]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6175 02:07:46.103283  # [   66.202617]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 6176 02:07:46.107652  # [   66.215292]  direct_entry.cold+0x2c/0x38

 6177 02:07:46.111567  # [   66.226199]  full_proxy_write+0x56/0x80

 6178 02:07:46.115781  # [   66.236940]  vfs_write+0xea/0x3b0

 6179 02:07:46.119928  # [   66.247175]  ksys_write+0x68/0xf0

 6180 02:07:46.123554  # [   66.257395]  do_syscall_64+0x33/0x40

 6181 02:07:46.129890  # [   66.267852]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6182 02:07:46.133602  # [   66.279983] RIP: 0033:0x7f7f50606473

 6183 02:07:46.155189  # [   66.290451] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6184 02:07:46.163420  # [   66.317868] RSP: 002b:00007fff4ff6c2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6185 02:07:46.171433  # [   66.332863] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7f50606473

 6186 02:07:46.179872  # [   66.347127] RDX: 000000000000001f RSI: 00007f7f504fa000 RDI: 0000000000000001

 6187 02:07:46.188009  # [   66.361627] RBP: 00007f7f504fa000 R08: 00007f7f504f9010 R09: 0000000000000000

 6188 02:07:46.195945  # [   66.376058] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6189 02:07:46.204137  # [   66.390535] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6190 02:07:46.208160  # [   66.404980] irq event stamp: 0

 6191 02:07:46.215294  # [   66.414885] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6192 02:07:46.223883  # [   66.428419] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6193 02:07:46.233204  # [   66.444032] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6194 02:07:46.240575  # [   66.459773] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6195 02:07:46.245583  # [   66.473195] ---[ end trace bf7d0a621a4c6673 ]---

 6196 02:07:46.251078  # [   66.484888] lkdtm: Overflow detected: saturated

 6197 02:07:46.256497  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6198 02:07:46.262022  ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6199 02:07:46.267571  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6200 02:07:46.282372  # [   66.849933] lkdtm: Performing direct entry REFCOUNT_ADD_NO<6>[   69.742499] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6201 02:07:46.289425  <6>[   69.752895] lkdtm: attempting bad refcount_dec_and_test() below zero

 6202 02:07:46.294093  <4>[   69.760322] ------------[ cut here ]------------

 6203 02:07:46.296384  T_ZERO_OVERFLOW

 6204 02:07:46.306021  # [   66.858008] lkdtm: attempting bad refcount<4>[   69.765780] refcount_t: underflow; use-after-free.

 6205 02:07:46.308642  _add_not_zero() overflow

 6206 02:07:46.321838  # [   66.871441] ------------[ cut her<4>[   69.777671] WARNING: CPU: 0 PID: 2165 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6207 02:07:46.324133  e ]------------

 6208 02:07:46.368134  # [   66.883097] refcount_t: saturated; leaking<4>[   69.793535] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6209 02:07:46.377935  <4>[   69.839772] CPU: 0 PID: 2165 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 6210 02:07:46.384226  <4>[   69.848735] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6211 02:07:46.390423  <4>[   69.855654] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6212 02:07:46.411713  <4>[   69.861796] Code: 01 01 e8 e0 ed c0 00 0f 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 83 c6 05 a6 f1 f6 01 01 e8 bd ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 91 f1 f6 01 00 0f 85 5e ff ff ff 48 c7

 6213 02:07:46.417925  <4>[   69.883076] RSP: 0018:ffffa6d6c28f7e40 EFLAGS: 00010286

 6214 02:07:46.427374  <4>[   69.889228] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6215 02:07:46.434877  <4>[   69.897510] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70

 6216 02:07:46.444066  <4>[   69.905790] RBP: ffffffff835f8c40 R08: 0000000000000000 R09: 0000000000000000

 6217 02:07:46.450973  <4>[   69.914060] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6218 02:07:46.459529  <4>[   69.922328] R13: ffffa6d6c28f7f10 R14: ffffa6d6c28f7f10 R15: ffff9309c489f000

 6219 02:07:46.468789  <4>[   69.930598] FS:  00007f7798a2f580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 6220 02:07:46.475604  <4>[   69.939937] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6221 02:07:46.483416  <4>[   69.946651] CR2: 00007f7798839000 CR3: 00000001046b6000 CR4: 00000000003506f0

 6222 02:07:46.484435   memory.

 6223 02:07:46.493306  # [   66.894984] WARNING: CPU: 3 PID: 2063 at lib/refc<4>[   69.954916] Call Trace:

 6224 02:07:46.497989  ount.c:19 refcount_warn_saturate+0x97/0x110

 6225 02:07:46.502740  # [   66.910850] Mo<4>[   69.964153]  ? __warn+0x80/0x110

 6226 02:07:46.508643  <4>[   69.974255]  ? refcount_warn_saturate+0xba/0x110

 6227 02:07:46.512534  <4>[   69.979716]  ? report_bug+0x9e/0xc0

 6228 02:07:46.516449  <4>[   69.983922]  ? handle_bug+0x41/0x90

 6229 02:07:46.521208  <4>[   69.988128]  ? exc_invalid_op+0x14/0x70

 6230 02:07:46.526229  <4>[   69.992720]  ? asm_exc_invalid_op+0x12/0x20

 6231 02:07:46.532047  <4>[   69.997710]  ? refcount_warn_saturate+0xba/0x110

 6232 02:07:46.538287  <4>[   70.003184]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6233 02:07:46.544926  <4>[   70.009624]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6234 02:07:46.549669  <4>[   70.016168]  direct_entry.cold+0x2c/0x38

 6235 02:07:46.554337  <4>[   70.020863]  full_proxy_write+0x56/0x80

 6236 02:07:46.558193  <4>[   70.025457]  vfs_write+0xea/0x3b0

 6237 02:07:46.561996  <4>[   70.029471]  ksys_write+0x68/0xf0

 6238 02:07:46.566310  <4>[   70.033481]  do_syscall_64+0x33/0x40

 6239 02:07:46.572652  <4>[   70.037788]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6240 02:07:46.582678  dules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc video<4>[   70.043750] RIP: 0033:0x7f7798945473

 6241 02:07:46.610113  buf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_<4>[   70.054219] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6242 02:07:46.619494  <4>[   70.081632] RSP: 002b:00007ffc96ba97b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6243 02:07:46.627694  <4>[   70.090387] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7798945473

 6244 02:07:46.635671  <4>[   70.098653] RDX: 000000000000001f RSI: 00007f7798839000 RDI: 0000000000000001

 6245 02:07:46.644085  <4>[   70.106930] RBP: 00007f7798839000 R08: 00007f7798838010 R09: 0000000000000000

 6246 02:07:46.652696  <4>[   70.115201] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6247 02:07:46.660027  <4>[   70.123466] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6248 02:07:46.665127  <4>[   70.131749] irq event stamp: 0

 6249 02:07:46.671409  <4>[   70.135468] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6250 02:07:46.680944  <4>[   70.142775] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6251 02:07:46.690188  <4>[   70.152218] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6252 02:07:46.698070  <4>[   70.161666] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6253 02:07:46.703328  <4>[   70.168977] ---[ end trace bf7d0a621a4c6677 ]---

 6254 02:07:46.708532  <6>[   70.174447] lkdtm: Negative detected: saturated

 6255 02:07:46.734821  usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6256 02:07:46.743444  # [   66.957077] CPU: 3 PID: 2063 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 6257 02:07:46.749950  # [   66.972176] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6258 02:07:46.756101  # [   66.985260] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6259 02:07:46.777182  # [   66.997578] Code: 01 01 e8 03 ee c0 00 0f 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 83 c6 05 cc f1 f6 01 01 e8 e0 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55

 6260 02:07:46.783307  # [   67.025059] RSP: 0018:ffffa6d6c275fe38 EFLAGS: 00010282

 6261 02:07:46.791732  # [   67.037377] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 6262 02:07:46.799375  # [   67.051857] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70

 6263 02:07:46.807350  # [   67.066319] RBP: ffffffff835f8c20 R08: 0000000000000000 R09: 0000000000000000

 6264 02:07:46.815843  # [   67.080829] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6265 02:07:46.823231  # [   67.095287] R13: ffffa6d6c275ff10 R14: ffffa6d6c275ff10 R15: ffff9309c3d60000

 6266 02:07:46.832674  # [   67.109789] FS:  00007fd5775d0580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 6267 02:07:46.839609  # [   67.125320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6268 02:07:46.847668  # [   67.138318] CR2: 00007fd5773da000 CR3: 0000000105cea000 CR4: 00000000003506e0

 6269 02:07:46.850154  # [   67.153104] Call Trace:

 6270 02:07:46.854273  # [   67.162054]  ? __warn+0x80/0x110

 6271 02:07:46.859377  # [   67.172336]  ? refcount_warn_saturate+0x97/0x110

 6272 02:07:46.863871  # [   67.183950]  ? report_bug+0x9e/0xc0

 6273 02:07:46.867738  # [   67.194320]  ? handle_bug+0x41/0x90

 6274 02:07:46.872271  # [   67.204659]  ? exc_invalid_op+0x14/0x70

 6275 02:07:46.877135  # [   67.215472]  ? asm_exc_invalid_op+0x12/0x20

 6276 02:07:46.882073  # [   67.226627]  ? refcount_warn_saturate+0x97/0x110

 6277 02:07:46.887657  # [   67.238340]  ? refcount_warn_saturate+0x97/0x110

 6278 02:07:46.893943  # [   67.249939]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6279 02:07:46.900437  # [   67.262619]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 6280 02:07:46.904498  # [   67.275414]  direct_entry.cold+0x2c/0x38

 6281 02:07:46.909114  # [   67.286254]  full_proxy_write+0x56/0x80

 6282 02:07:46.913588  # [   67.297049]  vfs_write+0xea/0x3b0

 6283 02:07:46.917519  # [   67.307241]  ksys_write+0x68/0xf0

 6284 02:07:46.921534  # [   67.317466]  do_syscall_64+0x33/0x40

 6285 02:07:46.927325  # [   67.327898]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6286 02:07:46.931191  # [   67.340159] RIP: 0033:0x7fd5774e6473

 6287 02:07:46.952254  # [   67.350662] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6288 02:07:46.961171  # [   67.378177] RSP: 002b:00007ffe0258e6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6289 02:07:46.968875  # [   67.393119] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd5774e6473

 6290 02:07:46.977033  # [   67.407572] RDX: 000000000000001f RSI: 00007fd5773da000 RDI: 0000000000000001

 6291 02:07:46.985594  # [   67.422084] RBP: 00007fd5773da000 R08: 00007fd5773d9010 R09: 0000000000000000

 6292 02:07:46.993709  # [   67.436545] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6293 02:07:47.002135  # [   67.451081] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6294 02:07:47.005476  # [   67.465534] irq event stamp: 0

 6295 02:07:47.012310  # [   67.475373] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6296 02:07:47.021411  # [   67.488965] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6297 02:07:47.030898  # [   67.504499] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6298 02:07:47.038207  # [   67.520244] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6299 02:07:47.044125  # [   67.533617] ---[ end trace bf7d0a621a4c6674 ]---

 6300 02:07:47.049177  # [   67.545334] lkdtm: Overflow detected: saturated

 6301 02:07:47.054831  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6302 02:07:47.059797  ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6303 02:07:47.064172  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6304 02:07:47.070780  # [   67.888855] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 6305 02:07:47.083075  # [   67.898668] lkdtm: attempting good <6>[   70.540197] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6306 02:07:47.089755  <6>[   70.553513] lkdtm: attempting bad refcount_sub_and_test() below zero

 6307 02:07:47.095496  <4>[   70.560917] ------------[ cut here ]------------

 6308 02:07:47.097272  refcount_dec()

 6309 02:07:47.106799  # [   67.910409] lkdtm: attempting bad refcount_<4>[   70.566374] refcount_t: underflow; use-after-free.

 6310 02:07:47.109267  dec() to zero

 6311 02:07:47.122800  # [   67.922830] ------------[ cut here ]--------<4>[   70.578256] WARNING: CPU: 1 PID: 2200 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6312 02:07:47.124567  ----

 6313 02:07:47.168762  # [   67.934507] refcount_t: decrement hit 0; leaking memo<4>[   70.594141] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6314 02:07:47.170006  ry.

 6315 02:07:47.184267  # [   67.940807] WARNING: CPU: 0 PID: 2095 at lib/refcount.<4>[   70.640298] CPU: 1 PID: 2200 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 6316 02:07:47.190985  <4>[   70.655442] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6317 02:07:47.197079  <4>[   70.662350] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6318 02:07:47.218305  <4>[   70.668491] Code: 01 01 e8 e0 ed c0 00 0f 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 83 c6 05 a6 f1 f6 01 01 e8 bd ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 91 f1 f6 01 00 0f 85 5e ff ff ff 48 c7

 6319 02:07:47.225341  <4>[   70.689736] RSP: 0018:ffffa6d6c295fe40 EFLAGS: 00010286

 6320 02:07:47.232606  <4>[   70.695874] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6321 02:07:47.236408  c:31 refcount_warn_saturate+0xfb/0x110

 6322 02:07:47.247483  # [   67.950550] Modules<4>[   70.704146] RDX: ffff930a3bcac660 RSI: ffff930a3bc9bf70 RDI: ffff930a3bc9bf70

 6323 02:07:47.255725  <4>[   70.718619] RBP: ffffffff835f8c60 R08: 0000000000000000 R09: 0000000000000000

 6324 02:07:47.263687  <4>[   70.726883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6325 02:07:47.272010  <4>[   70.735144] R13: ffffa6d6c295ff10 R14: ffffa6d6c295ff10 R15: ffff9309c5a7f000

 6326 02:07:47.287997   linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_<4>[   70.743404] FS:  00007ffa765fc580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000

 6327 02:07:47.294584  <4>[   70.758915] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6328 02:07:47.302804  <4>[   70.765629] CR2: 00007ffa76406000 CR3: 0000000105cea000 CR4: 00000000003506e0

 6329 02:07:47.306339  <4>[   70.773901] Call Trace:

 6330 02:07:47.309414  <4>[   70.776951]  ? __warn+0x80/0x110

 6331 02:07:47.321140  memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd<4>[   70.780861]  ? refcount_warn_saturate+0xba/0x110

 6332 02:07:47.325284  <4>[   70.792495]  ? report_bug+0x9e/0xc0

 6333 02:07:47.329786  <4>[   70.796701]  ? handle_bug+0x41/0x90

 6334 02:07:47.340363  _logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x<4>[   70.800904]  ? exc_invalid_op+0x14/0x70

 6335 02:07:47.345104  <4>[   70.811660]  ? asm_exc_invalid_op+0x12/0x20

 6336 02:07:47.351193  <4>[   70.816643]  ? refcount_warn_saturate+0xba/0x110

 6337 02:07:47.363706  86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common <4>[   70.822106]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6338 02:07:47.369397  <4>[   70.834730]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6339 02:07:47.381284  snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_com<4>[   70.841274]  direct_entry.cold+0x2c/0x38

 6340 02:07:47.391264  press snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_tabl<4>[   70.852161]  full_proxy_write+0x56/0x80

 6341 02:07:47.396060  <4>[   70.862960]  vfs_write+0xea/0x3b0

 6342 02:07:47.396167  e

 6343 02:07:47.405636  # [   67.996874] CPU: 0 PID: 2095 Comm: cat Tainted: G      D<4>[   70.866978]  ksys_write+0x68/0xf0

 6344 02:07:47.409401   W         5.10.182-cip35 #1

 6345 02:07:47.416830  # [   68.005859] Hardware name: Go<4>[   70.877156]  do_syscall_64+0x33/0x40

 6346 02:07:47.419570  ogle Coral/Coral, BIOS  09/29/2020

 6347 02:07:47.428837  # [   68.012782] RIP: 0010:r<4>[   70.887685]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6348 02:07:47.431535  efcount_warn_saturate+0xfb/0x110

 6349 02:07:47.439157  # [   68.018924] Code: d8 3f 5<4>[   70.899815] RIP: 0033:0x7ffa76512473

 6350 02:07:47.466740  5 83 c6 05 7d f1 f6 01 01 e8 96 ed c0 00 0f 0b c3 cc cc cc cc 48<4>[   70.910280] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6351 02:07:47.481104   c7 c7 a8 3f 55 83 c6 05 64 f1 f6 01 01 e8 7c ed c0 00 <0f> 0b c<4>[   70.937712] RSP: 002b:00007ffe6e848088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6352 02:07:47.488056  3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6353 02:07:47.495790  # [ <4>[   70.952650] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ffa76512473

 6354 02:07:47.501238    68.040174] RSP: 0018:ffffa6d6c2807e48 EFLAGS: 00010286

 6355 02:07:47.509532  <4>[   70.967125] RDX: 000000000000001f RSI: 00007ffa76406000 RDI: 0000000000000001

 6356 02:07:47.517896  <4>[   70.981020] RBP: 00007ffa76406000 R08: 00007ffa76405010 R09: 0000000000000000

 6357 02:07:47.532143  # [   68.046320] RAX: 0000000000000000 RBX: 000000000000002f RCX<4>[   70.989289] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6358 02:07:47.534058  : 0000000000000000

 6359 02:07:47.542459  <4>[   71.003740] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6360 02:07:47.552262  # [   68.054590] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI<4>[   71.013946] irq event stamp: 0

 6361 02:07:47.561833  : ffff930a3bc1bf70<4>[   71.023866] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6362 02:07:47.562225  

 6363 02:07:47.572449  <4>[   71.032894] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6364 02:07:47.581268  <4>[   71.042499] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6365 02:07:47.596613  # [   68.062855] RBP: ffffffff835f8fd9 R08: 0000000000000000 R09<4>[   71.051926] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6366 02:07:47.601092  : 0000000000000000<4>[   71.065391] ---[ end trace bf7d0a621a4c6678 ]---

 6367 02:07:47.601851  

 6368 02:07:47.606945  <6>[   71.072563] lkdtm: Negative detected: saturated

 6369 02:07:47.614927  # [   68.071123] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6370 02:07:47.622801  # [   68.079394] R13: ffffa6d6c2807f10 R14: ffffa6d6c2807f10 R15: ffff9309c689f000

 6371 02:07:47.632007  # [   68.087664] FS:  00007f59ab5f0580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 6372 02:07:47.638900  # [   68.096998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6373 02:07:47.646908  # [   68.109905] CR2: 00007f59ab3fa000 CR3: 0000000103cfa000 CR4: 00000000003506f0

 6374 02:07:47.651042  # [   68.118174] Call Trace:

 6375 02:07:47.654482  # [   68.121228]  ? __warn+0x80/0x110

 6376 02:07:47.659163  # [   68.125146]  ? refcount_warn_saturate+0xfb/0x110

 6377 02:07:47.662970  # [   68.130608]  ? report_bug+0x9e/0xc0

 6378 02:07:47.667211  # [   68.134815]  ? handle_bug+0x41/0x90

 6379 02:07:47.671605  # [   68.139017]  ? exc_invalid_op+0x14/0x70

 6380 02:07:47.676287  # [   68.143610]  ? asm_exc_invalid_op+0x12/0x20

 6381 02:07:47.682202  # [   68.148599]  ? refcount_warn_saturate+0xfb/0x110

 6382 02:07:47.686796  # [   68.154070]  ? refcount_warn_saturate+0xfb/0x110

 6383 02:07:47.692011  # [   68.159541]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 6384 02:07:47.698365  # [   68.164812]  direct_entry.cold+0x2c/0x38

 6385 02:07:47.701240  # [   68.169512]  full_proxy_write+0x56/0x80

 6386 02:07:47.704916  # [   68.174115]  vfs_write+0xea/0x3b0

 6387 02:07:47.709391  # [   68.178128]  ksys_write+0x68/0xf0

 6388 02:07:47.713423  # [   68.188332]  do_syscall_64+0x33/0x40

 6389 02:07:47.718846  # [   68.198813]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6390 02:07:47.723488  # [   68.210949] RIP: 0033:0x7f59ab506473

 6391 02:07:47.744648  # [   68.221426] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6392 02:07:47.753117  # [   68.242675] RSP: 002b:00007ffe72e69bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6393 02:07:47.761777  # [   68.251432] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f59ab506473

 6394 02:07:47.769582  # [   68.259695] RDX: 0000000000000012 RSI: 00007f59ab3fa000 RDI: 0000000000000001

 6395 02:07:47.777170  # [   68.267961] RBP: 00007f59ab3fa000 R08: 00007f59ab3f9010 R09: 0000000000000000

 6396 02:07:47.785024  # [   68.282422] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6397 02:07:47.794242  # [   68.290689] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6398 02:07:47.796953  # [   68.298969] irq event stamp: 0

 6399 02:07:47.804286  # [   68.308874] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6400 02:07:47.813306  # [   68.316170] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6401 02:07:47.822736  # [   68.325605] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6402 02:07:47.829593  # [   68.335038] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6403 02:07:47.835860  # [   68.342337] ---[ end trace bf7d0a621a4c6675 ]---

 6404 02:07:47.840455  # [   68.347797] lkdtm: Zero detected: saturated

 6405 02:07:47.844576  # REFCOUNT_DEC_ZERO: saw 'call trace:': ok

 6406 02:07:47.848961  ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6407 02:07:47.853058  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6408 02:07:47.860234  # [   68.694157] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6409 02:07:47.866687  # [   68.707257] lkdtm: attempting bad refcount_dec() below zero

 6410 02:07:47.872578  # [   68.719987] ------------[ cut here ]------------

 6411 02:07:47.878821  # [   68.731678] refcount_t: decrement hit 0; leaking memory.

 6412 02:07:47.887637  # [   68.744204] WARNING: CPU: 3 PID: 2130 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6413 02:07:47.927795  # [   68.760061] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6414 02:07:47.936360  # [   68.806216] CPU: 3 PID: 2130 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 6415 02:07:47.943074  # [   68.821401] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6416 02:07:47.948879  # [   68.834739] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6417 02:07:47.972614  # [   68.846873] Code: d8 3f 55 83 c6 05 7d f1 f6 01 01 e8 96 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 a8 3f 55 83 c6 05 64 f1 f6 01 01 e8 7c ed c0 00 <0f> 0b c3 cc cc cc cc 66 66 <6>[   71.434334] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6418 02:07:47.976723  2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6419 02:07:47.987756  # [   68.874485] RSP: 00<6>[   71.444277] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6420 02:07:47.990868  18:ffffa6d6c2867e48 EFLAGS: 00010286

 6421 02:07:47.997358  # [   68.886758] RAX: 0000<6>[   71.457890] lkdtm: Good: zero detected

 6422 02:07:48.003673  <6>[   71.468575] lkdtm: Correctly stayed at zero

 6423 02:07:48.009391  <6>[   71.473549] lkdtm: attempting bad refcount_inc() from zero

 6424 02:07:48.013999  <4>[   71.479972] ------------[ cut here ]------------

 6425 02:07:48.020222  <4>[   71.485439] refcount_t: addition on 0; use-after-free.

 6426 02:07:48.026548  000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6427 02:07:48.035897  # [   <4>[   71.491553] WARNING: CPU: 1 PID: 2232 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6428 02:07:48.082427  68.901201] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff<4>[   71.507448] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6429 02:07:48.084082  930a3bd9bf70

 6430 02:07:48.097129  # [   68.915676] RBP: ffffffff835f8feb R08: 000000<4>[   71.553597] CPU: 1 PID: 2232 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 6431 02:07:48.100611  0000000000 R09: 0000000000000000

 6432 02:07:48.110805  # [   68.930091] R10: 00000000<4>[   71.568724] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6433 02:07:48.115564  ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6434 02:07:48.122899  # [   68.9<4>[   71.581839] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6435 02:07:48.150279  44583] R13: ffffa6d6c2867f10 R14: ffffa6d6c2867f10 R15: ffff9309<4>[   71.594159] Code: 01 01 e8 26 ee c0 00 0f 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55 83 c6 05 ed f1 f6 01 01 e8 03 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55

 6436 02:07:48.151402  c6a8b000

 6437 02:07:48.163161  # [   68.959047] FS:  00007f3fa71f8580(0000) GS:ffff93<4>[   71.621573] RSP: 0018:ffffa6d6c2997e48 EFLAGS: 00010286

 6438 02:07:48.166437  0a3bd80000(0000) knlGS:0000000000000000

 6439 02:07:48.177316  # [   68.974587] CS:  0<4>[   71.633892] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6440 02:07:48.181605  010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6441 02:07:48.192253  # [   68.987454] CR<4>[   71.648344] RDX: ffff930a3bcac660 RSI: ffff930a3bc9bf70 RDI: ffff930a3bc9bf70

 6442 02:07:48.198153  2: 00007f3fa7002000 CR3: 0000000103258000 CR4: 00000000003506e0

 6443 02:07:48.205602  <4>[   71.662785] RBP: ffffffff835f9001 R08: 0000000000000000 R09: 0000000000000000

 6444 02:07:48.206464  

 6445 02:07:48.209226  # [   69.001929] Call Trace:

 6446 02:07:48.220987  # [   69.011167]  ? __warn+0x80/0<4>[   71.677228] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6447 02:07:48.222032  x110

 6448 02:07:48.226311  # [   69.021283]  ? refcount_warn_saturate+0xfb/0x110

 6449 02:07:48.234942  # [<4>[   71.691678] R13: ffffa6d6c2997f10 R14: ffffa6d6c2997f10 R15: ffff9309c441c000

 6450 02:07:48.239016     69.032886]  ? report_bug+0x9e/0xc0

 6451 02:07:48.250204  # [   69.043323]  ? handl<4>[   71.706154] FS:  00007faafdcd3580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000

 6452 02:07:48.252070  e_bug+0x41/0x90

 6453 02:07:48.256727  # [   69.053632]  ? exc_invalid_op+0x14/0x70

 6454 02:07:48.263250  #<4>[   71.721646] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6455 02:07:48.267630   [   69.064375]  ? asm_exc_invalid_op+0x12/0x20

 6456 02:07:48.278038  # [   69.075722<4>[   71.734542] CR2: 00007faafdadd000 CR3: 0000000105cea000 CR4: 00000000003506e0

 6457 02:07:48.282001  ]  ? refcount_warn_saturate+0xfb/0x110

 6458 02:07:48.287794  # [   69.087206]  ? refc<4>[   71.748987] Call Trace:

 6459 02:07:48.289705  ount_warn_saturate+0xfb/0x110

 6460 02:07:48.297277  # [   69.098828]  lkdtm_REFCOUNT_<4>[   71.758224]  ? __warn+0x80/0x110

 6461 02:07:48.299897  DEC_NEGATIVE+0x37/0x61

 6462 02:07:48.309471  # [   69.110735]  direct_entry.cold+0x2c<4>[   71.768304]  ? refcount_warn_saturate+0x74/0x110

 6463 02:07:48.310067  /0x38

 6464 02:07:48.313517  # [   69.121570]  full_proxy_write+0x56/0x80

 6465 02:07:48.319034  # [   69.13<4>[   71.779941]  ? report_bug+0x9e/0xc0

 6466 02:07:48.321994  2409]  vfs_write+0xea/0x3b0

 6467 02:07:48.329558  # [   69.142564]  ksys_write+0x68/0<4>[   71.790328]  ? handle_bug+0x41/0x90

 6468 02:07:48.330314  xf0

 6469 02:07:48.334348  # [   69.152771]  do_syscall_64+0x33/0x40

 6470 02:07:48.340280  # [   69.163237]<4>[   71.800703]  ? exc_invalid_op+0x14/0x70

 6471 02:07:48.344335    entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6472 02:07:48.351936  # [   69.175426] RIP<4>[   71.811477]  ? asm_exc_invalid_op+0x12/0x20

 6473 02:07:48.353591  : 0033:0x7f3fa710e473

 6474 02:07:48.362993  # [   69.185846] Code: 8b 15 21 2a 0e 00 <4>[   71.822642]  ? refcount_warn_saturate+0x74/0x110

 6475 02:07:48.374249  f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 1<4>[   71.834274]  ? refcount_warn_saturate+0x74/0x110

 6476 02:07:48.386199  8 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff <4>[   71.845925]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6477 02:07:48.391030  77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6478 02:07:48.397142  # [   69.213339<4>[   71.857370]  direct_entry.cold+0x2c/0x38

 6479 02:07:48.407592  ] RSP: 002b:00007ffeda306618 EFLAGS: 00000246 ORIG_RAX: 00000000<4>[   71.868235]  full_proxy_write+0x56/0x80

 6480 02:07:48.408809  00000001

 6481 02:07:48.418269  # [   69.228214] RAX: ffffffffffffffda RBX: 0000000000<4>[   71.879002]  vfs_write+0xea/0x3b0

 6482 02:07:48.421050  000016 RCX: 00007f3fa710e473

 6483 02:07:48.427703  # [   69.242691] RDX: 000000000000<4>[   71.889189]  ksys_write+0x68/0xf0

 6484 02:07:48.432716  0016 RSI: 00007f3fa7002000 RDI: 0000000000000001

 6485 02:07:48.438048  # [   69.25709<4>[   71.899384]  do_syscall_64+0x33/0x40

 6486 02:07:48.450729  5] RBP: 00007f3fa7002000 R08: 00007f3fa7001010 R09: 000000000000<4>[   71.909853]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6487 02:07:48.451549  0000

 6488 02:07:48.460973  # [   69.271556] R10: fffffffffffffbc5 R11: 00000000000002<4>[   71.921967] RIP: 0033:0x7faafdbe9473

 6489 02:07:48.463615  46 R12: 0000000000000001

 6490 02:07:48.488402  # [   69.286006] R13: 0000000000000001<4>[   71.932444] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6491 02:07:48.493668   R14: 0000000000020000 R15: 0000000000020000

 6492 02:07:48.503390  # [   69.300499] i<4>[   71.959865] RSP: 002b:00007ffe5c737758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6493 02:07:48.505243  rq event stamp: 0

 6494 02:07:48.518405  # [   69.310352] hardirqs last  enabled at (0<4>[   71.974796] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007faafdbe9473

 6495 02:07:48.520745  ): [<0000000000000000>] 0x0

 6496 02:07:48.533420  # [   69.323987] hardirqs last disa<4>[   71.989257] RDX: 0000000000000012 RSI: 00007faafdadd000 RDI: 0000000000000001

 6497 02:07:48.538272  bled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6498 02:07:48.547332  # [<4>[   72.003705] RBP: 00007faafdadd000 R08: 00007faafdadc010 R09: 0000000000000000

 6499 02:07:48.562233     69.339446] softirqs last  enabled at (0): [<ffffffff816fd844><4>[   72.018167] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6500 02:07:48.564757  ] copy_process+0x664/0x1c60

 6501 02:07:48.575871  # [   69.355232] softirqs last disa<4>[   72.032625] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6502 02:07:48.579802  bled at (0): [<0000000000000000>] 0x0

 6503 02:07:48.585662  # [   69.368696] ---[ end<4>[   72.047085] irq event stamp: 0

 6504 02:07:48.588657   trace bf7d0a621a4c6676 ]---

 6505 02:07:48.599527  # [   69.380318] lkdtm: Negative d<4>[   72.056977] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6506 02:07:48.601534  etected: saturated

 6507 02:07:48.615253  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detec<4>[   72.070475] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6508 02:07:48.618122  ted: saturated': ok

 6509 02:07:48.630377  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATI<4>[   72.086097] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6510 02:07:48.631170  VE.sh

 6511 02:07:48.636104  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6512 02:07:48.643861  # <4>[   72.101716] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6513 02:07:48.655788  [   69.742499] lkdtm: Performing direct entry REFCOUNT_DEC_AND_T<4>[   72.115196] ---[ end trace bf7d0a621a4c6679 ]---

 6514 02:07:48.656842  EST_NEGATIVE

 6515 02:07:48.667859  # [   69.752895] lkdtm: attempting bad refcount_de<6>[   72.126849] lkdtm: Zero detected: saturated

 6516 02:07:48.669439  c_and_test() below zero

 6517 02:07:48.674263  # [   69.760322] ------------[ cut here ]------------

 6518 02:07:48.680147  # [   69.765780] refcount_t: underflow; use-after-free.

 6519 02:07:48.689355  # [   69.777671] WARNING: CPU: 0 PID: 2165 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6520 02:07:48.729458  # [   69.793535] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6521 02:07:48.738420  # [   69.839772] CPU: 0 PID: 2165 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 6522 02:07:48.745092  # [   69.848735] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6523 02:07:48.751065  # [   69.855654] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6524 02:07:48.772582  # [   69.861796] Code: 01 01 e8 e0 ed c0 00 0f 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 83 c6 05 a6 f1 f6 01 01 e8 bd ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 91 f1 f6 01 00 0f 85 5e ff ff ff 48 c7

 6525 02:07:48.777980  # [   69.883076] RSP: 0018:ffffa6d6c28f7e40 EFLAGS: 00010286

 6526 02:07:48.786507  # [   69.889228] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6527 02:07:48.794598  # [   69.897510] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70

 6528 02:07:48.802877  # [   69.905790] RBP: ffffffff835f8c40 R08: 0000000000000000 R09: 0000000000000000

 6529 02:07:48.810622  # [   69.914060] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6530 02:07:48.818772  # [   69.922328] R13: ffffa6d6c28f7f10 R14: ffffa6d6c28f7f10 R15: ffff9309c489f000

 6531 02:07:48.828468  # [   69.930598] FS:  00007f7798a2f580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 6532 02:07:48.834885  # [   69.939937] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6533 02:07:48.842934  # [   69.946651] CR2: 00007f7798839000 CR3: 00000001046b6000 CR4: 00000000003506f0

 6534 02:07:48.845647  # [   69.954916] Call Trace:

 6535 02:07:48.849603  # [   69.964153]  ? __warn+0x80/0x110

 6536 02:07:48.855436  # [   69.974255]  ? refcount_warn_saturate+0xba/0x110

 6537 02:07:48.859714  # [   69.979716]  ? report_bug+0x9e/0xc0

 6538 02:07:48.863011  # [   69.983922]  ? handle_bug+0x41/0x90

 6539 02:07:48.867690  # [   69.988128]  ? exc_invalid_op+0x14/0x70

 6540 02:07:48.872497  # [   69.992720]  ? asm_exc_invalid_op+0x12/0x20

 6541 02:07:48.877598  # [   69.997710]  ? refcount_warn_saturate+0xba/0x110

 6542 02:07:48.883615  # [   70.003184]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6543 02:07:48.890627  # [   70.009624]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6544 02:07:48.894508  # [   70.016168]  direct_entry.cold+0x2c/0x38

 6545 02:07:48.899344  # [   70.020863]  full_proxy_write+0x56/0x80

 6546 02:07:48.902715  # [   70.025457]  vfs_write+0xea/0x3b0

 6547 02:07:48.907328  # [   70.029471]  ksys_write+0x68/0xf0

 6548 02:07:48.911125  # [   70.033481]  do_syscall_64+0x33/0x40

 6549 02:07:48.916899  # [   70.037788]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6550 02:07:48.920746  # [   70.043750] RIP: 0033:0x7f7798945473

 6551 02:07:48.942483  # [   70.054219] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6552 02:07:48.951266  # [   70.081632] RSP: 002b:00007ffc96ba97b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6553 02:07:48.960386  # [   70.090387] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7798945473

 6554 02:07:48.967100  # [   70.098653] RDX: 000000000000001f RSI: 00007f7798839000 RDI: 0000000000000001

 6555 02:07:48.975219  # [   70.106930] RBP: 00007f7798839000 R08: 00007f7798838010 R09: 0000000000000000

 6556 02:07:48.983108  # [   70.115201] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6557 02:07:48.992060  # [   70.123466] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6558 02:07:48.995064  # [   70.131749] irq event stamp: 0

 6559 02:07:49.002341  # [   70.135468] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6560 02:07:49.012080  # [   70.142775] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6561 02:07:49.020436  # [   70.152218] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6562 02:07:49.033436  # [   70.161666] softirqs last disabled at (0): [<000000<6>[   72.495119] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6563 02:07:49.034313  0000000000>] 0x0

 6564 02:07:49.046163  # [   70.168977] ---[ end trace bf7d0a621a4c66<6>[   72.504406] lkdtm: attempting safe refcount_add_not_zero() from zero

 6565 02:07:49.047901  77 ]---

 6566 02:07:49.052352  # [   70.174447] lkdtm: Negative detected: saturated

 6567 02:07:49.057940  #<6>[   72.517958] lkdtm: Good: zero detected

 6568 02:07:49.068468   REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturat<6>[   72.528683] lkdtm: Correctly stayed at zero

 6569 02:07:49.069390  ed': ok

 6570 02:07:49.081132  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.<6>[   72.540042] lkdtm: attempting bad refcount_add() from zero

 6571 02:07:49.082219  sh

 6572 02:07:49.088032  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6573 02:07:49.092555  # [  <4>[   72.552499] ------------[ cut here ]------------

 6574 02:07:49.104399   70.540197] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST<4>[   72.564261] refcount_t: addition on 0; use-after-free.

 6575 02:07:49.105895  _NEGATIVE

 6576 02:07:49.120517  # [   70.553513] lkdtm: attempting bad refcount_sub_a<4>[   72.576507] WARNING: CPU: 3 PID: 2264 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6577 02:07:49.124285  nd_test() below zero

 6578 02:07:49.167683  # [   70.560917] ------------[ cut here ]-<4>[   72.592352] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6579 02:07:49.168883  -----------

 6580 02:07:49.182555  # [   70.566374] refcount_t: underflow; use-after-f<4>[   72.638376] CPU: 3 PID: 2264 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 6581 02:07:49.183165  ree.

 6582 02:07:49.195190  # [   70.578256] WARNING: CPU: 1 PID: 2200 at lib/refcount<4>[   72.653646] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6583 02:07:49.199320  .c:28 refcount_warn_saturate+0xba/0x110

 6584 02:07:49.208228  # [   70.594141] Module<4>[   72.666705] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6585 02:07:49.234938  s linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2<4>[   72.679027] Code: 01 01 e8 26 ee c0 00 0f 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55 83 c6 05 ed f1 f6 01 01 e8 03 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55

 6586 02:07:49.247941  _memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbp<4>[   72.706324] RSP: 0018:ffffa6d6c2a87e48 EFLAGS: 00010286

 6587 02:07:49.262435  d_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi <4>[   72.718696] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6588 02:07:49.276191  x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common<4>[   72.733092] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70

 6589 02:07:49.290989   snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_co<4>[   72.747575] RBP: ffffffff835f9013 R08: 0000000000000000 R09: 0000000000000000

 6590 02:07:49.304736  mpress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_tab<4>[   72.761989] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6591 02:07:49.305483  le

 6592 02:07:49.319468  # [   70.640298] CPU: 1 PID: 2200 Comm: cat Tainted: G      <4>[   72.776470] R13: ffffa6d6c2a87f10 R14: ffffa6d6c2a87f10 R15: ffff9309c4508000

 6593 02:07:49.322794  D W         5.10.182-cip35 #1

 6594 02:07:49.334999  # [   70.655442] Hardware name: G<4>[   72.790909] FS:  00007ff735522580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 6595 02:07:49.338631  oogle Coral/Coral, BIOS  09/29/2020

 6596 02:07:49.347728  # [   70.662350] RIP: 0010:<4>[   72.806461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6597 02:07:49.351439  refcount_warn_saturate+0xba/0x110

 6598 02:07:49.362849  # [   70.668491] Code: 01 01 <4>[   72.819351] CR2: 00007ff73532c000 CR3: 00000001059e0000 CR4: 00000000003506e0

 6599 02:07:49.371885  e8 e0 ed c0 00 0f 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 4<4>[   72.833792] Call Trace:

 6600 02:07:49.381766  8 c7 c7 80 3f 55 83 c6 05 a6 f1 f6 01 01 e8 bd ed c0 00 <0f> 0b <4>[   72.843091]  ? __warn+0x80/0x110

 6601 02:07:49.387911  c3 cc cc cc cc 80 3d 91 f1 f6 01 00 0f 85 5e ff ff ff 48 c7

 6602 02:07:49.393186  # [<4>[   72.853123]  ? refcount_warn_saturate+0x74/0x110

 6603 02:07:49.399111     70.689736] RSP: 0018:ffffa6d6c295fe40 EFLAGS: 00010286

 6604 02:07:49.404218  # [  <4>[   72.864772]  ? report_bug+0x9e/0xc0

 6605 02:07:49.414238   70.695874] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 000<4>[   72.875180]  ? handle_bug+0x41/0x90

 6606 02:07:49.415773  0000000000000

 6607 02:07:49.425298  # [   70.704146] RDX: ffff930a3bcac660 RSI: ffff9<4>[   72.885548]  ? exc_invalid_op+0x14/0x70

 6608 02:07:49.428222  30a3bc9bf70 RDI: ffff930a3bc9bf70

 6609 02:07:49.435899  # [   70.718619] RBP: fffffff<4>[   72.896328]  ? asm_exc_invalid_op+0x12/0x20

 6610 02:07:49.442025  f835f8c60 R08: 0000000000000000 R09: 0000000000000000

 6611 02:07:49.447583  # [   70.<4>[   72.907515]  ? refcount_warn_saturate+0x74/0x110

 6612 02:07:49.459238  726883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000<4>[   72.919136]  ? refcount_warn_saturate+0x74/0x110

 6613 02:07:49.460562  00000001f

 6614 02:07:49.471348  # [   70.735144] R13: ffffa6d6c295ff10 R14: ffffa6d6c<4>[   72.930782]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 6615 02:07:49.474102  295ff10 R15: ffff9309c5a7f000

 6616 02:07:49.481597  # [   70.743404] FS:  00007ffa765<4>[   72.942255]  direct_entry.cold+0x2c/0x38

 6617 02:07:49.488162  fc580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000

 6618 02:07:49.493025  # <4>[   72.953117]  full_proxy_write+0x56/0x80

 6619 02:07:49.503167  [   70.758915] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033<4>[   72.963911]  vfs_write+0xea/0x3b0

 6620 02:07:49.503712  

 6621 02:07:49.513124  # [   70.765629] CR2: 00007ffa76406000 CR3: 0000000105cea000 C<4>[   72.974091]  ksys_write+0x68/0xf0

 6622 02:07:49.516240  R4: 00000000003506e0

 6623 02:07:49.518857  # [   70.773901] Call Trace:

 6624 02:07:49.523555  # [   70.776<4>[   72.984304]  do_syscall_64+0x33/0x40

 6625 02:07:49.525844  951]  ? __warn+0x80/0x110

 6626 02:07:49.536004  # [   70.780861]  ? refcount_warn_sat<4>[   72.994818]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6627 02:07:49.538401  urate+0xba/0x110

 6628 02:07:49.542135  # [   70.792495]  ? report_bug+0x9e/0xc0

 6629 02:07:49.545805  # [ <4>[   73.006932] RIP: 0033:0x7ff735438473

 6630 02:07:49.549903    70.796701]  ? handle_bug+0x41/0x90

 6631 02:07:49.573930  # [   70.800904]  ? exc_in<4>[   73.017449] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6632 02:07:49.575582  valid_op+0x14/0x70

 6633 02:07:49.589117  # [   70.811660]  ? asm_exc_invalid_op+0x12/<4>[   73.044988] RSP: 002b:00007ffc63b1fb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6634 02:07:49.589595  0x20

 6635 02:07:49.594728  # [   70.816643]  ? refcount_warn_saturate+0xba/0x110

 6636 02:07:49.602664  # [<4>[   73.059853] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff735438473

 6637 02:07:49.608592     70.822106]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6638 02:07:49.617292  # <4>[   73.074309] RDX: 0000000000000012 RSI: 00007ff73532c000 RDI: 0000000000000001

 6639 02:07:49.623664  [   70.834730]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6640 02:07:49.631881  <4>[   73.088749] RBP: 00007ff73532c000 R08: 00007ff73532b010 R09: 0000000000000000

 6641 02:07:49.636581  # [   70.841274]  direct_entry.cold+0x2c/0x38

 6642 02:07:49.646250  # [   70.852161] <4>[   73.103262] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6643 02:07:49.649019   full_proxy_write+0x56/0x80

 6644 02:07:49.661033  # [   70.862960]  vfs_write+0xea/0x<4>[   73.117671] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6645 02:07:49.661932  3b0

 6646 02:07:49.665355  # [   70.866978]  ksys_write+0x68/0xf0

 6647 02:07:49.670580  # [   70.877156]  d<4>[   73.132222] irq event stamp: 0

 6648 02:07:49.675874  o_syscall_64+0x33/0x40

 6649 02:07:49.684061  # [   70.887685]  entry_SYSCALL_64_after<4>[   73.141995] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6650 02:07:49.686861  _hwframe+0x61/0xc6

 6651 02:07:49.690164  # [   70.899815] RIP: 0033:0x7ffa76512473

 6652 02:07:49.699571  #<4>[   73.155588] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6653 02:07:49.715633   [   70.910280] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 <4>[   73.171252] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6654 02:07:49.728820  ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b<4>[   73.186855] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6655 02:07:49.740285  8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 <4>[   73.200326] ---[ end trace bf7d0a621a4c667a ]---

 6656 02:07:49.743385  83 ec 28 48 89 54 24 18

 6657 02:07:49.752083  # [   70.937712] RSP: 002b:00007ffe6e84<6>[   73.211946] lkdtm: Zero detected: saturated

 6658 02:07:49.756799  8088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6659 02:07:49.764600  # [   70.952650] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ffa76512473

 6660 02:07:49.772371  # [   70.967125] RDX: 000000000000001f RSI: 00007ffa76406000 RDI: 0000000000000001

 6661 02:07:49.781068  # [   70.981020] RBP: 00007ffa76406000 R08: 00007ffa76405010 R09: 0000000000000000

 6662 02:07:49.789563  # [   70.989289] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6663 02:07:49.798327  # [   71.003740] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6664 02:07:49.800654  # [   71.013946] irq event stamp: 0

 6665 02:07:49.808266  # [   71.023866] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6666 02:07:49.817594  # [   71.032894] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6667 02:07:49.826842  # [   71.042499] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6668 02:07:49.833945  # [   71.051926] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6669 02:07:49.839700  # [   71.065391] ---[ end trace bf7d0a621a4c6678 ]---

 6670 02:07:49.844065  # [   71.072563] lkdtm: Negative detected: saturated

 6671 02:07:49.851964  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6672 02:07:49.857180  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6673 02:07:49.861142  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6674 02:07:49.869344  # [   71.434334] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6675 02:07:49.874650  # [   71.444277] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6676 02:07:49.879421  # [   71.457890] lkdtm: Good: zero detected

 6677 02:07:49.884746  # [   71.468575] lkdtm: Correctly stayed at zero

 6678 02:07:49.892278  # [   71.473549] lkdtm: attempting bad refcount_inc() from zero

 6679 02:07:49.896297  # [   71.479972] ------------[ cut here ]------------

 6680 02:07:49.901634  # [   71.485439] refcount_t: addition on 0; use-after-free.

 6681 02:07:49.911315  # [   71.491553] WARNING: CPU: 1 PID: 2232 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6682 02:07:49.951476  # [   71.507448] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6683 02:07:49.960211  # [   71.553597] CPU: 1 PID: 2232 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 6684 02:07:49.967001  # [   71.568724] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6685 02:07:49.972643  # [   71.581839] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6686 02:07:49.993864  # [   71.594159] Code: 01 01 e8 26 ee c0 00 0f 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55 83 c6 05 ed f1 f6 01 01 e8 03 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55

 6687 02:07:49.999818  # [   71.621573] RSP: 0018:ffffa6d6c2997e48 EFLAGS: 00010286

 6688 02:07:50.007824  # [   71.633892] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6689 02:07:50.016014  # [   71.648344] RDX: ffff930a3bcac660 RSI: ffff930a3bc9bf70 RDI: ffff930a3bc9bf70

 6690 02:07:50.024590  # [   71.662785] RBP: ffffffff835f9001 R08: 0000000000000000 R09: 0000000000000000

 6691 02:07:50.032645  # [   71.677228] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6692 02:07:50.041469  # [   71.691678] R13: ffffa6d6c2997f10 R14: ffffa6d6c2997f10 R15: ffff9309c441c000

 6693 02:07:50.050149  # [   71.706154] FS:  00007faafdcd3580(0000) GS:ffff930a3bc80000(0000) knlGS:0000000000000000

 6694 02:07:50.056226  # [   71.721646] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6695 02:07:50.064872  # [   71.734542] CR2: 00007faafdadd000 CR3: 0000000105cea000 CR4: 00000000003506e0

 6696 02:07:50.067998  # [   71.748987] Call Trace:

 6697 02:07:50.071651  # [   71.758224]  ? __warn+0x80/0x110

 6698 02:07:50.076557  # [   71.768304]  ? refcount_warn_saturate+0x74/0x110

 6699 02:07:50.080459  # [   71.779941]  ? report_bug+0x9e/0xc0

 6700 02:07:50.085271  # [   71.790328]  ? handle_bug+0x41/0x90

 6701 02:07:50.089307  # [   71.800703]  ? exc_invalid_op+0x14/0x70

 6702 02:07:50.094199  # [   71.811477]  ? asm_exc_invalid_op+0x12/0x20

 6703 02:07:50.099532  # [   71.822642]  ? refcount_warn_saturate+0x74/0x110

 6704 02:07:50.104664  # [   71.834274]  ? refcount_warn_saturate+0x74/0x110

 6705 02:07:50.110499  # [   71.845925]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6706 02:07:50.114012  # [   71.857370]  direct_entry.cold+0x2c/0x38

 6707 02:07:50.118423  # [   71.868235]  full_proxy_write+0x56/0x80

 6708 02:07:50.122511  # [   71.879002]  vfs_write+0xea/0x3b0

 6709 02:07:50.127169  # [   71.889189]  ksys_write+0x68/0xf0

 6710 02:07:50.130682  # [   71.899384]  do_syscall_64+0x33/0x40

 6711 02:07:50.143695  # [   71.909853]  entry_SYSCALL_64_after_hwframe+0x61/0x<6>[   73.606735] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 6712 02:07:50.150869  <6>[   73.614507] lkdtm: attempting bad refcount_inc() from saturated

 6713 02:07:50.155659  <4>[   73.621445] ------------[ cut here ]------------

 6714 02:07:50.161235  <4>[   73.626912] refcount_t: saturated; leaking memory.

 6715 02:07:50.162021  c6

 6716 02:07:50.165627  # [   71.921967] RIP: 0033:0x7faafdbe9473

 6717 02:07:50.176798  # [   71.932444] <4>[   73.632620] WARNING: CPU: 2 PID: 2299 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6718 02:07:50.223253  Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b<4>[   73.648451] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6719 02:07:50.232060  <4>[   73.694646] CPU: 2 PID: 2299 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 6720 02:07:50.239413  <4>[   73.703590] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6721 02:07:50.245395  <4>[   73.710514] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6722 02:07:50.266435  <4>[   73.716656] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 21 f2 f6 01 00 75 ee 48 c7 c7 28 3f 55 83 c6 05 11 f2 f6 01 01 e8 26 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55

 6723 02:07:50.274189  <4>[   73.737913] RSP: 0018:ffffa6d6c2aefe48 EFLAGS: 00010286

 6724 02:07:50.280809  <4>[   73.744053] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 6725 02:07:50.289778  <4>[   73.752317] RDX: ffff930a3bd2c660 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70

 6726 02:07:50.297451  <4>[   73.760589] RBP: ffffffff835f9025 R08: 0000000000000000 R09: 0000000000000000

 6727 02:07:50.305579  <4>[   73.768864] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6728 02:07:50.315259  <4>[   73.777131] R13: ffffa6d6c2aeff10 R14: ffffa6d6c2aeff10 R15: ffff9309c5afc000

 6729 02:07:50.323166  <4>[   73.785400] FS:  00007f6e704c8580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 6730 02:07:50.329841  <4>[   73.794729] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6731 02:07:50.338995  <4>[   73.801444] CR2: 00007f6e702d2000 CR3: 00000001045e0000 CR4: 00000000003506e0

 6732 02:07:50.341217  <4>[   73.809712] Call Trace:

 6733 02:07:50.345269  <4>[   73.812763]  ? __warn+0x80/0x110

 6734 02:07:50.350637  <4>[   73.816677]  ? refcount_warn_saturate+0x51/0x110

 6735 02:07:50.355400  <4>[   73.822143]  ? report_bug+0x9e/0xc0

 6736 02:07:50.365371  7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f<4>[   73.826356]  ? handle_bug+0x41/0x90

 6737 02:07:50.371446  <4>[   73.836734]  ? exc_invalid_op+0x14/0x70

 6738 02:07:50.375472  <4>[   73.841327]  ? asm_exc_invalid_op+0x12/0x20

 6739 02:07:50.387415   05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 5<4>[   73.846305]  ? refcount_warn_saturate+0x51/0x110

 6740 02:07:50.392191  <4>[   73.857923]  ? refcount_warn_saturate+0x51/0x110

 6741 02:07:50.398108  <4>[   73.863384]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 6742 02:07:50.402402  <4>[   73.869144]  direct_entry.cold+0x2c/0x38

 6743 02:07:50.407188  <4>[   73.873836]  full_proxy_write+0x56/0x80

 6744 02:07:50.412037  <4>[   73.878431]  vfs_write+0xea/0x3b0

 6745 02:07:50.415066  <4>[   73.882444]  ksys_write+0x68/0xf0

 6746 02:07:50.419254  <4>[   73.886460]  do_syscall_64+0x33/0x40

 6747 02:07:50.425101  <4>[   73.890768]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6748 02:07:50.426249  4 24 18

 6749 02:07:50.435716  # [   71.959865] RSP: 002b:00007ffe5c737758 EFLAGS: 000<4>[   73.896733] RIP: 0033:0x7f6e703de473

 6750 02:07:50.439418  00246 ORIG_RAX: 0000000000000001

 6751 02:07:50.463776  # [   71.974796] RAX: ffffffff<4>[   73.907205] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6752 02:07:50.472141  <4>[   73.934629] RSP: 002b:00007ffd5491d9e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6753 02:07:50.481304  <4>[   73.943390] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6e703de473

 6754 02:07:50.489538  <4>[   73.951651] RDX: 0000000000000017 RSI: 00007f6e702d2000 RDI: 0000000000000001

 6755 02:07:50.496906  <4>[   73.959922] RBP: 00007f6e702d2000 R08: 00007f6e702d1010 R09: 0000000000000000

 6756 02:07:50.505170  <4>[   73.968186] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6757 02:07:50.513380  <4>[   73.976449] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6758 02:07:50.517330  <4>[   73.984727] irq event stamp: 0

 6759 02:07:50.525152  <4>[   73.988442] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6760 02:07:50.533914  <4>[   73.995750] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6761 02:07:50.543223  <4>[   74.005180] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6762 02:07:50.550453  <4>[   74.014610] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6763 02:07:50.556056  <4>[   74.021905] ---[ end trace bf7d0a621a4c667b ]---

 6764 02:07:50.562369  <6>[   74.027367] lkdtm: Saturation detected: still saturated

 6765 02:07:50.567443  ffffffda RBX: 0000000000000012 RCX: 00007faafdbe9473

 6766 02:07:50.575582  # [   71.989257] RDX: 0000000000000012 RSI: 00007faafdadd000 RDI: 0000000000000001

 6767 02:07:50.583750  # [   72.003705] RBP: 00007faafdadd000 R08: 00007faafdadc010 R09: 0000000000000000

 6768 02:07:50.591793  # [   72.018167] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6769 02:07:50.599823  # [   72.032625] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6770 02:07:50.603756  # [   72.047085] irq event stamp: 0

 6771 02:07:50.610842  # [   72.056977] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6772 02:07:50.619759  # [   72.070475] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6773 02:07:50.629763  # [   72.086097] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6774 02:07:50.636744  # [   72.101716] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6775 02:07:50.642000  # [   72.115196] ---[ end trace bf7d0a621a4c6679 ]---

 6776 02:07:50.646519  # [   72.126849] lkdtm: Zero detected: saturated

 6777 02:07:50.651157  # REFCOUNT_INC_ZERO: saw 'call trace:': ok

 6778 02:07:50.655523  ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6779 02:07:50.659372  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6780 02:07:50.666259  # [   72.495119] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6781 02:07:50.673252  # [   72.504406] lkdtm: attempting safe refcount_add_not_zero() from zero

 6782 02:07:50.677839  # [   72.517958] lkdtm: Good: zero detected

 6783 02:07:50.682348  # [   72.528683] lkdtm: Correctly stayed at zero

 6784 02:07:50.689119  # [   72.540042] lkdtm: attempting bad refcount_add() from zero

 6785 02:07:50.694141  # [   72.552499] ------------[ cut here ]------------

 6786 02:07:50.700654  # [   72.564261] refcount_t: addition on 0; use-after-free.

 6787 02:07:50.710007  # [   72.576507] WARNING: CPU: 3 PID: 2264 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6788 02:07:50.749558  # [   72.592352] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6789 02:07:50.758594  # [   72.638376] CPU: 3 PID: 2264 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 6790 02:07:50.765597  # [   72.653646] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6791 02:07:50.770763  # [   72.666705] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6792 02:07:50.792646  # [   72.679027] Code: 01 01 e8 26 ee c0 00 0f 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55 83 c6 05 ed f1 f6 01 01 e8 03 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55

 6793 02:07:50.798304  # [   72.706324] RSP: 0018:ffffa6d6c2a87e48 EFLAGS: 00010286

 6794 02:07:50.806163  # [   72.718696] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6795 02:07:50.814914  # [   72.733092] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70

 6796 02:07:50.822448  # [   72.747575] RBP: ffffffff835f9013 R08: 0000000000000000 R09: 0000000000000000

 6797 02:07:50.830889  # [   72.761989] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6798 02:07:50.839079  # [   72.776470] R13: ffffa6d6c2a87f10 R14: ffffa6d6c2a87f10 R15: ffff9309c4508000

 6799 02:07:50.848100  # [   72.790909] FS:  00007ff735522580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 6800 02:07:50.854822  # [   72.806461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6801 02:07:50.863160  # [   72.819351] CR2: 00007ff73532c000 CR3: 00000001059e0000 CR4: 00000000003506e0

 6802 02:07:50.865882  # [   72.833792] Call Trace:

 6803 02:07:50.869129  # [   72.843091]  ? __warn+0x80/0x110

 6804 02:07:50.874639  # [   72.853123]  ? refcount_warn_saturate+0x74/0x110

 6805 02:07:50.879243  # [   72.864772]  ? report_bug+0x9e/0xc0

 6806 02:07:50.884136  # [   72.875180]  ? handle_bug+0x41/0x90

 6807 02:07:50.888290  # [   72.885548]  ? exc_invalid_op+0x14/0x70

 6808 02:07:50.892556  # [   72.896328]  ? asm_exc_invalid_op+0x12/0x20

 6809 02:07:50.897720  # [   72.907515]  ? refcount_warn_saturate+0x74/0x110

 6810 02:07:50.902574  # [   72.919136]  ? refcount_warn_saturate+0x74/0x110

 6811 02:07:50.908812  # [   72.930782]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 6812 02:07:50.912775  # [   72.942255]  direct_entry.cold+0x2c/0x38

 6813 02:07:50.917182  # [   72.953117]  full_proxy_write+0x56/0x80

 6814 02:07:50.920615  # [   72.963911]  vfs_write+0xea/0x3b0

 6815 02:07:50.929264  # [   72.9<6>[   74.391632] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 6816 02:07:50.932059  74091]  ksys_write+0x68/0xf0

 6817 02:07:50.942093  # [   72.984304]  do_syscall_64+0x<6>[   74.400759] lkdtm: attempting bad refcount_dec() from saturated

 6818 02:07:50.943248  33/0x40

 6819 02:07:50.953586  # [   72.994818]  entry_SYSCALL_64_after_hwframe+0x61/0<4>[   74.413540] ------------[ cut here ]------------

 6820 02:07:50.955619  xc6

 6821 02:07:50.958877  # [   73.006932] RIP: 0033:0x7ff735438473

 6822 02:07:50.966475  # [   73.017449]<4>[   74.425172] refcount_t: decrement hit 0; leaking memory.

 6823 02:07:50.983028   Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb <4>[   74.437851] WARNING: CPU: 3 PID: 2334 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6824 02:07:51.028581  b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0<4>[   74.453794] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6825 02:07:51.042967  f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 <4>[   74.499911] CPU: 3 PID: 2334 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 6826 02:07:51.044244  54 24 18

 6827 02:07:51.056286  # [   73.044988] RSP: 002b:00007ffc63b1fb08 EFLAGS: 00<4>[   74.514844] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6828 02:07:51.060124  000246 ORIG_RAX: 0000000000000001

 6829 02:07:51.068744  # [   73.059853] RAX: fffffff<4>[   74.528107] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6830 02:07:51.074234  fffffffda RBX: 0000000000000012 RCX: 00007ff735438473

 6831 02:07:51.096569  # [   73.<4>[   74.540285] Code: d8 3f 55 83 c6 05 7d f1 f6 01 01 e8 96 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 a8 3f 55 83 c6 05 64 f1 f6 01 01 e8 7c ed c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6832 02:07:51.108603  074309] RDX: 0000000000000012 RSI: 00007ff73532c000 RDI: 0000000<4>[   74.567802] RSP: 0018:ffffa6d6c2b77e48 EFLAGS: 00010286

 6833 02:07:51.109808  000000001

 6834 02:07:51.123762  # [   73.088749] RBP: 00007ff73532c000 R08: 00007ff73<4>[   74.580048] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 6835 02:07:51.126022  532b010 R09: 0000000000000000

 6836 02:07:51.137590  # [   73.103262] R10: fffffffffff<4>[   74.594506] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70

 6837 02:07:51.142983  ffbc5 R11: 0000000000000246 R12: 0000000000000001

 6838 02:07:51.152465  # [   73.1176<4>[   74.608964] RBP: ffffffff835f903c R08: 0000000000000000 R09: 0000000000000000

 6839 02:07:51.166373  71] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000<4>[   74.623480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6840 02:07:51.167509  20000

 6841 02:07:51.171091  # [   73.132222] irq event stamp: 0

 6842 02:07:51.180899  # [   73.141995] har<4>[   74.637926] R13: ffffa6d6c2b77f10 R14: ffffa6d6c2b77f10 R15: ffff9309c684e000

 6843 02:07:51.186465  dirqs last  enabled at (0): [<0000000000000000>] 0x0

 6844 02:07:51.196386  # [   73.1<4>[   74.652410] FS:  00007f32924cf580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 6845 02:07:51.209228  55588] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_<4>[   74.667892] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6846 02:07:51.211526  process+0x664/0x1c60

 6847 02:07:51.224640  # [   73.171252] softirqs last  enabled at<4>[   74.680804] CR2: 00007f32922d9000 CR3: 0000000104224000 CR4: 00000000003506e0

 6848 02:07:51.229555   (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6849 02:07:51.232875  # [   73.1<4>[   74.695218] Call Trace:

 6850 02:07:51.239338  86855] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6851 02:07:51.243988  <4>[   74.704536]  ? __warn+0x80/0x110

 6852 02:07:51.248525  # [   73.200326] ---[ end trace bf7d0a621a4c667a ]---

 6853 02:07:51.255151  # [   73.<4>[   74.714655]  ? refcount_warn_saturate+0xfb/0x110

 6854 02:07:51.259089  211946] lkdtm: Zero detected: saturated

 6855 02:07:51.265202  # REFCOUNT_ADD_ZERO: sa<4>[   74.726306]  ? report_bug+0x9e/0xc0

 6856 02:07:51.267432  w 'call trace:': ok

 6857 02:07:51.275515  ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.s<4>[   74.736677]  ? handle_bug+0x41/0x90

 6858 02:07:51.276367  h

 6859 02:07:51.280962  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 6860 02:07:51.286741  # [   73.60673<4>[   74.747065]  ? exc_invalid_op+0x14/0x70

 6861 02:07:51.292358  5] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 6862 02:07:51.297808  # [   <4>[   74.757875]  ? asm_exc_invalid_op+0x12/0x20

 6863 02:07:51.304029  73.614507] lkdtm: attempting bad refcount_inc() from saturated

 6864 02:07:51.309026  <4>[   74.769012]  ? refcount_warn_saturate+0xfb/0x110

 6865 02:07:51.314578  # [   73.621445] ------------[ cut here ]------------

 6866 02:07:51.320818  # [   73.<4>[   74.780682]  ? refcount_warn_saturate+0xfb/0x110

 6867 02:07:51.326451  626912] refcount_t: saturated; leaking memory.

 6868 02:07:51.333311  # [   73.632620]<4>[   74.792319]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 6869 02:07:51.343692   WARNING: CPU: 2 PID: 2299 at lib/refcount.c:22 refcount_warn_sa<4>[   74.804258]  direct_entry.cold+0x2c/0x38

 6870 02:07:51.345525  turate+0x51/0x110

 6871 02:07:51.355131  # [   73.648451] Modules linked in: fuse ip_t<4>[   74.815119]  full_proxy_write+0x56/0x80

 6872 02:07:51.364863  ables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightb<4>[   74.825909]  vfs_write+0xea/0x3b0

 6873 02:07:51.375144  ar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_ch<4>[   74.836085]  ksys_write+0x68/0xf0

 6874 02:07:51.385755  arger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal c<4>[   74.846317]  do_syscall_64+0x33/0x40

 6875 02:07:51.398072  ros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd<4>[   74.856768]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6876 02:07:51.407862  _soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengi<4>[   74.868918] RIP: 0033:0x7f32923e5473

 6877 02:07:51.412581  ne regmap_i2c chromeos_pstore coreboot_table

 6878 02:07:51.435680  # [   73.694646] C<4>[   74.879386] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6879 02:07:51.451206  PU: 2 PID: 2299 Comm: cat Tainted: G      D W         5.10.182-c<4>[   74.906860] RSP: 002b:00007fff99ce0888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6880 02:07:51.452143  ip35 #1

 6881 02:07:51.465727  # [   73.703590] Hardware name: Google Coral/Coral, BIO<4>[   74.921783] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f32923e5473

 6882 02:07:51.466738  S  09/29/2020

 6883 02:07:51.479358  # [   73.710514] RIP: 0010:refcount_warn_saturate<4>[   74.936260] RDX: 0000000000000017 RSI: 00007f32922d9000 RDI: 0000000000000001

 6884 02:07:51.480596  +0x51/0x110

 6885 02:07:51.494549  # [   73.716656] Code: 84 bc 00 00 00 c3 cc cc cc c<4>[   74.950709] RBP: 00007f32922d9000 R08: 00007f32922d8010 R09: 0000000000000000

 6886 02:07:51.508548  c 85 f6 74 46 80 3d 21 f2 f6 01 00 75 ee 48 c7 c7 28 3f 55 83 c6<4>[   74.965202] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6887 02:07:51.522706   05 11 f2 f6 01 01 e8 26 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d f<4>[   74.979654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6888 02:07:51.526842  d f1 f6 01 00 75 cb 48 c7 c7 50 3f 55

 6889 02:07:51.532309  # [   73.737913] RSP: 001<4>[   74.994138] irq event stamp: 0

 6890 02:07:51.536206  8:ffffa6d6c2aefe48 EFLAGS: 00010286

 6891 02:07:51.546136  # [   73.744053] RAX: 00000<4>[   75.004034] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6892 02:07:51.552309  00000000000 RBX: 0000000000000035 RCX: 0000000000000000

 6893 02:07:51.561658  # [   7<4>[   75.017574] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6894 02:07:51.577679  3.752317] RDX: ffff930a3bd2c660 RSI: ffff930a3bd1bf70 RDI: ffff9<4>[   75.033263] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6895 02:07:51.579520  30a3bd1bf70

 6896 02:07:51.591745  # [   73.760589] RBP: ffffffff835f9025 R08: 0000000<4>[   75.048832] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6897 02:07:51.594258  000000000 R09: 0000000000000000

 6898 02:07:51.603932  # [   73.768864] R10: 00000000f<4>[   75.062323] ---[ end trace bf7d0a621a4c667c ]---

 6899 02:07:51.608114  fffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6900 02:07:51.615252  # [   73.77<6>[   75.073980] lkdtm: Saturation detected: still saturated

 6901 02:07:51.622244  7131] R13: ffffa6d6c2aeff10 R14: ffffa6d6c2aeff10 R15: ffff9309c5afc000

 6902 02:07:51.631163  # [   73.785400] FS:  00007f6e704c8580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 6903 02:07:51.638057  # [   73.794729] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6904 02:07:51.645849  # [   73.801444] CR2: 00007f6e702d2000 CR3: 00000001045e0000 CR4: 00000000003506e0

 6905 02:07:51.648784  # [   73.809712] Call Trace:

 6906 02:07:51.652768  # [   73.812763]  ? __warn+0x80/0x110

 6907 02:07:51.657967  # [   73.816677]  ? refcount_warn_saturate+0x51/0x110

 6908 02:07:51.662508  # [   73.822143]  ? report_bug+0x9e/0xc0

 6909 02:07:51.666656  # [   73.826356]  ? handle_bug+0x41/0x90

 6910 02:07:51.670744  # [   73.836734]  ? exc_invalid_op+0x14/0x70

 6911 02:07:51.675294  # [   73.841327]  ? asm_exc_invalid_op+0x12/0x20

 6912 02:07:51.680769  # [   73.846305]  ? refcount_warn_saturate+0x51/0x110

 6913 02:07:51.686116  # [   73.857923]  ? refcount_warn_saturate+0x51/0x110

 6914 02:07:51.692602  # [   73.863384]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 6915 02:07:51.696417  # [   73.869144]  direct_entry.cold+0x2c/0x38

 6916 02:07:51.700855  # [   73.873836]  full_proxy_write+0x56/0x80

 6917 02:07:51.704554  # [   73.878431]  vfs_write+0xea/0x3b0

 6918 02:07:51.708607  # [   73.882444]  ksys_write+0x68/0xf0

 6919 02:07:51.713059  # [   73.886460]  do_syscall_64+0x33/0x40

 6920 02:07:51.718558  # [   73.890768]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6921 02:07:51.722649  # [   73.896733] RIP: 0033:0x7f6e703de473

 6922 02:07:51.743128  # [   73.907205] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 1<6>[   75.203633] PDLOG 2023/06/14 02:06:10.609 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA

 6923 02:07:51.755787  8 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff <6>[   75.215246] PDLOG 2023/06/14 02:06:10.609 P1 Disconnected

 6924 02:07:51.760856  77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6925 02:07:51.773638  # [   73.934629<6>[   75.227849] PDLOG 2023/06/14 02:06:10.640 P1 SNK (not charging) Charger ??? 5000mV max 5000mV / 3000mA

 6926 02:07:51.790168  ] RSP: 002b:00007ffd5491d9e8 EFLAGS: 00000246 ORIG_RAX: 00000000<6>[   75.244791] PDLOG 2023/06/14 02:06:10.673 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA

 6927 02:07:51.791027  00000001

 6928 02:07:51.805245  # [   73.943390] RAX: ffffffffffffffda RBX: 0000000000<6>[   75.261666] PDLOG 2023/06/14 02:06:10.763 P1 SNK Charger ??? 5086mV max 15000mV / 3000mA

 6929 02:07:51.808288  000017 RCX: 00007f6e703de473

 6930 02:07:51.820890  # [   73.951651] RDX: 000000000000<6>[   75.277139] PDLOG 2023/06/14 02:06:10.879 P1 SNK Charger ??? 5064mV max 5000mV / 3000mA

 6931 02:07:51.826629  0017 RSI: 00007f6e702d2000 RDI: 0000000000000001

 6932 02:07:51.837081  # [   73.95992<6>[   75.292689] PDLOG 2023/06/14 02:06:10.913 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA

 6933 02:07:51.854011  2] RBP: 00007f6e702d2000 R08: 00007f6e702d1010 R09: 000000000000<6>[   75.309453] PDLOG 2023/06/14 02:06:11.060 P1 SNK Charger ??? 15075mV max 15000mV / 3000mA

 6934 02:07:51.854492  0000

 6935 02:07:51.868695  # [   73.968186] R10: fffffffffffffbc5 R11: 00000000000002<6>[   75.325211] PDLOG 2023/06/14 02:06:13.770 P1 SNK Charger PD 15017mV max 15000mV / 3000mA

 6936 02:07:51.872130  46 R12: 0000000000000001

 6937 02:07:51.879778  # [   73.976449] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6938 02:07:51.883603  # [   73.984727] irq event stamp: 0

 6939 02:07:51.890269  # [   73.988442] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6940 02:07:51.899642  # [   73.995750] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6941 02:07:51.909997  # [   74.005180] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 6942 02:07:51.916100  # [   74.014610] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6943 02:07:51.921985  # [   74.021905] ---[ end trace bf7d0a621a4c667b ]---

 6944 02:07:51.927321  # [   74.027367] lkdtm: Saturation detected: still saturated

 6945 02:07:51.934642  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 6946 02:07:51.939234  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 6947 02:07:51.944019  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 6948 02:07:51.951004  # [   74.391632] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 6949 02:07:51.957945  # [   74.400759] lkdtm: attempting bad refcount_dec() from saturated

 6950 02:07:51.962860  # [   74.413540] ------------[ cut here ]------------

 6951 02:07:51.969635  # [   74.425172] refcount_t: decrement hit 0; leaking memory.

 6952 02:07:51.978670  # [   74.437851] WARNING: CPU: 3 PID: 2334 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6953 02:07:52.024645  # [   74.453794] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore corebo<6>[   75.486723] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 6954 02:07:52.033024  <6>[   75.496222] lkdtm: attempting bad refcount_dec() from saturated

 6955 02:07:52.039212  <4>[   75.503162] ------------[ cut here ]------------

 6956 02:07:52.042716  <4>[   75.508631] refcount_t: saturated; leaking memory.

 6957 02:07:52.052650  <4>[   75.514345] WARNING: CPU: 0 PID: 2369 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6958 02:07:52.053738  ot_table

 6959 02:07:52.098817  # [   74.499911] CPU: 3 PID: 2334 Comm: cat Tainted: G<4>[   75.524068] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6960 02:07:52.107862  <4>[   75.570310] CPU: 0 PID: 2369 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 6961 02:07:52.114890  <4>[   75.579261] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6962 02:07:52.120690  <4>[   75.586187] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6963 02:07:52.142197  <4>[   75.592332] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 21 f2 f6 01 00 75 ee 48 c7 c7 28 3f 55 83 c6 05 11 f2 f6 01 01 e8 26 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 75 cb 48 c7 c7 50 3f 55

 6964 02:07:52.148581  <4>[   75.613595] RSP: 0018:ffffa6d6c2bffe48 EFLAGS: 00010286

 6965 02:07:52.156693  <4>[   75.619741] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 6966 02:07:52.165456  <4>[   75.628010] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70

 6967 02:07:52.173429  <4>[   75.636287] RBP: ffffffff835f9053 R08: 0000000000000000 R09: 0000000000000000

 6968 02:07:52.181346  <4>[   75.644557] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6969 02:07:52.189834  <4>[   75.652828] R13: ffffa6d6c2bfff10 R14: ffffa6d6c2bfff10 R15: ffff9309c5b48000

 6970 02:07:52.199194  <4>[   75.661104] FS:  00007f64437a4580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 6971 02:07:52.205914  <4>[   75.670441] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6972 02:07:52.214249  <4>[   75.677159] CR2: 00007f64435ae000 CR3: 0000000103fc2000 CR4: 00000000003506f0

 6973 02:07:52.218556        D W         5.10.182-cip35 #1

 6974 02:07:52.223414  # [   74.514844] Hardware n<4>[   75.685433] Call Trace:

 6975 02:07:52.227110  <4>[   75.694695]  ? __warn+0x80/0x110

 6976 02:07:52.232723  <4>[   75.698624]  ? refcount_warn_saturate+0x51/0x110

 6977 02:07:52.237322  <4>[   75.704104]  ? report_bug+0x9e/0xc0

 6978 02:07:52.240890  <4>[   75.708313]  ? handle_bug+0x41/0x90

 6979 02:07:52.245890  <4>[   75.712520]  ? exc_invalid_op+0x14/0x70

 6980 02:07:52.250655  <4>[   75.717113]  ? asm_exc_invalid_op+0x12/0x20

 6981 02:07:52.256139  <4>[   75.722098]  ? refcount_warn_saturate+0x51/0x110

 6982 02:07:52.262787  <4>[   75.727562]  ? refcount_warn_saturate+0x51/0x110

 6983 02:07:52.267485  <4>[   75.733028]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 6984 02:07:52.272617  <4>[   75.738785]  direct_entry.cold+0x2c/0x38

 6985 02:07:52.276327  ame: Google Coral/Coral, BIOS  09/29/2020

 6986 02:07:52.282775  # [   74.528107] RIP:<4>[   75.743491]  full_proxy_write+0x56/0x80

 6987 02:07:52.287228  <4>[   75.754289]  vfs_write+0xea/0x3b0

 6988 02:07:52.290390   0010:refcount_warn_saturate+0xfb/0x110

 6989 02:07:52.296675  # [   74.540285] Code: <4>[   75.758321]  ksys_write+0x68/0xf0

 6990 02:07:52.307107  d8 3f 55 83 c6 05 7d f1 f6 01 01 e8 96 ed c0 00 0f 0b c3 cc cc c<4>[   75.768503]  do_syscall_64+0x33/0x40

 6991 02:07:52.319326  c cc 48 c7 c7 a8 3f 55 83 c6 05 64 f1 f6 01 01 e8 7c ed c0 00 <0<4>[   75.779004]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6992 02:07:52.324519  <4>[   75.791136] RIP: 0033:0x7f64436ba473

 6993 02:07:52.351443  f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8<4>[   75.795438] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6994 02:07:52.359846  <4>[   75.822904] RSP: 002b:00007fff2c410758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6995 02:07:52.368768  <4>[   75.831716] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f64436ba473

 6996 02:07:52.376602  <4>[   75.840013] RDX: 0000000000000017 RSI: 00007f64435ae000 RDI: 0000000000000001

 6997 02:07:52.385218  <4>[   75.848280] RBP: 00007f64435ae000 R08: 00007f64435ad010 R09: 0000000000000000

 6998 02:07:52.393754  <4>[   75.856541] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6999 02:07:52.401889  <4>[   75.864803] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7000 02:07:52.406159  <4>[   75.873079] irq event stamp: 0

 7001 02:07:52.413480  <4>[   75.876792] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7002 02:07:52.422578  <4>[   75.884096] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7003 02:07:52.431273  <4>[   75.893525] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7004 02:07:52.439452  <4>[   75.902953] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7005 02:07:52.444962  <4>[   75.910248] ---[ end trace bf7d0a621a4c667d ]---

 7006 02:07:52.450391  <6>[   75.915700] lkdtm: Saturation detected: still saturated

 7007 02:07:52.451333  b

 7008 02:07:52.456817  # [   74.567802] RSP: 0018:ffffa6d6c2b77e48 EFLAGS: 00010286

 7009 02:07:52.464795  # [   74.580048] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 7010 02:07:52.473146  # [   74.594506] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70

 7011 02:07:52.481450  # [   74.608964] RBP: ffffffff835f903c R08: 0000000000000000 R09: 0000000000000000

 7012 02:07:52.489536  # [   74.623480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7013 02:07:52.498090  # [   74.637926] R13: ffffa6d6c2b77f10 R14: ffffa6d6c2b77f10 R15: ffff9309c684e000

 7014 02:07:52.507065  # [   74.652410] FS:  00007f32924cf580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 7015 02:07:52.513342  # [   74.667892] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7016 02:07:52.521260  # [   74.680804] CR2: 00007f32922d9000 CR3: 0000000104224000 CR4: 00000000003506e0

 7017 02:07:52.524711  # [   74.695218] Call Trace:

 7018 02:07:52.528376  # [   74.704536]  ? __warn+0x80/0x110

 7019 02:07:52.534258  # [   74.714655]  ? refcount_warn_saturate+0xfb/0x110

 7020 02:07:52.537385  # [   74.726306]  ? report_bug+0x9e/0xc0

 7021 02:07:52.541735  # [   74.736677]  ? handle_bug+0x41/0x90

 7022 02:07:52.546589  # [   74.747065]  ? exc_invalid_op+0x14/0x70

 7023 02:07:52.550958  # [   74.757875]  ? asm_exc_invalid_op+0x12/0x20

 7024 02:07:52.556183  # [   74.769012]  ? refcount_warn_saturate+0xfb/0x110

 7025 02:07:52.561825  # [   74.780682]  ? refcount_warn_saturate+0xfb/0x110

 7026 02:07:52.567579  # [   74.792319]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 7027 02:07:52.572202  # [   74.804258]  direct_entry.cold+0x2c/0x38

 7028 02:07:52.577039  # [   74.815119]  full_proxy_write+0x56/0x80

 7029 02:07:52.580458  # [   74.825909]  vfs_write+0xea/0x3b0

 7030 02:07:52.584477  # [   74.836085]  ksys_write+0x68/0xf0

 7031 02:07:52.587984  # [   74.846317]  do_syscall_64+0x33/0x40

 7032 02:07:52.593997  # [   74.856768]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7033 02:07:52.597972  # [   74.868918] RIP: 0033:0x7f32923e5473

 7034 02:07:52.620426  # [   74.879386] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7035 02:07:52.629425  # [   74.906860] RSP: 002b:00007fff99ce0888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7036 02:07:52.636579  # [   74.921783] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f32923e5473

 7037 02:07:52.644243  # [   74.936260] RDX: 0000000000000017 RSI: 00007f32922d9000 RDI: 0000000000000001

 7038 02:07:52.653164  # [   74.950709] RBP: 00007f32922d9000 R08: 00007f32922d8010 R09: 0000000000000000

 7039 02:07:52.660711  # [   74.965202] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7040 02:07:52.668666  # [   74.979654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7041 02:07:52.672235  # [   74.994138] irq event stamp: 0

 7042 02:07:52.679934  # [   75.004034] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7043 02:07:52.689718  # [   75.017574] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7044 02:07:52.697783  # [   75.033263] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7045 02:07:52.704966  # [   75.048832] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7046 02:07:52.710623  # [   75.062323] ---[ end trace bf7d0a621a4c667c ]---

 7047 02:07:52.716757  # [   75.073980] lkdtm: Saturation detected: still saturated

 7048 02:07:52.724536  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok

 7049 02:07:52.728982  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 7050 02:07:52.733482  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7051 02:07:52.740326  # [   75.486723] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 7052 02:07:52.746885  # [   75.496222] lkdtm: attempting bad refcount_dec() from saturated

 7053 02:07:52.752285  # [   75.503162] ------------[ cut here ]------------

 7054 02:07:52.758040  # [   75.508631] refcount_t: saturated; leaking memory.

 7055 02:07:52.767583  # [   75.514345] WARNING: CPU: 0 PID: 2369 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 7056 02:07:52.807674  # [   75.524068] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7057 02:07:52.816282  # [   75.570310] CPU: 0 PID: 2369 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 7058 02:07:52.823259  # [   75.579261] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7059 02:07:52.829450  # [   75.586187] RIP: 0010:refcount_warn_saturate+0x51/0x110

 7060 02:07:52.843502  # [   75.592332] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 <6>[   76.302513] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 7061 02:07:52.850466  <6>[   76.314520] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 7062 02:07:52.856846  <4>[   76.322328] ------------[ cut here ]------------

 7063 02:07:52.862120  <4>[   76.327808] refcount_t: saturated; leaking memory.

 7064 02:07:52.878307  80 3d 21 f2 f6 01 00 75 ee 48 c7 c7 28 3f 55 83 c6 05 11 f2 f6 0<4>[   76.333528] WARNING: CPU: 0 PID: 2401 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7065 02:07:52.924565  1 01 e8 26 ee c0 00 <0f> 0b c3 cc cc cc cc 80 3d fd f1 f6 01 00 <4>[   76.349467] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7066 02:07:52.933740  <4>[   76.395734] CPU: 0 PID: 2401 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 7067 02:07:52.940153  <4>[   76.404696] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7068 02:07:52.946047  <4>[   76.411613] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7069 02:07:52.967995  <4>[   76.417761] Code: 01 01 e8 03 ee c0 00 0f 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 83 c6 05 cc f1 f6 01 01 e8 e0 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55

 7070 02:07:52.974305  <4>[   76.439039] RSP: 0018:ffffa6d6c2c87e38 EFLAGS: 00010282

 7071 02:07:52.981916  <4>[   76.445178] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7072 02:07:52.990527  <4>[   76.453442] RDX: ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70

 7073 02:07:52.998622  <4>[   76.461712] RBP: ffffffff835f8c80 R08: 0000000000000000 R09: 0000000000000000

 7074 02:07:53.007563  <4>[   76.469986] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7075 02:07:53.014957  <4>[   76.478259] R13: ffffa6d6c2c87f10 R14: ffffa6d6c2c87f10 R15: ffff9309c2d81000

 7076 02:07:53.024080  <4>[   76.486529] FS:  00007fc948a70580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 7077 02:07:53.031407  <4>[   76.495864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7078 02:07:53.039493  <4>[   76.502578] CR2: 00007fc94887a000 CR3: 0000000103fda000 CR4: 00000000003506f0

 7079 02:07:53.043619  <4>[   76.510841] Call Trace:

 7080 02:07:53.047038  <4>[   76.513892]  ? __warn+0x80/0x110

 7081 02:07:53.051603  <4>[   76.517817]  ? refcount_warn_saturate+0x97/0x110

 7082 02:07:53.056018  <4>[   76.523295]  ? report_bug+0x9e/0xc0

 7083 02:07:53.060248  <4>[   76.527513]  ? handle_bug+0x41/0x90

 7084 02:07:53.065164  <4>[   76.531714]  ? exc_invalid_op+0x14/0x70

 7085 02:07:53.070610  <4>[   76.536315]  ? asm_exc_invalid_op+0x12/0x20

 7086 02:07:53.076215  <4>[   76.541309]  ? refcount_warn_saturate+0x97/0x110

 7087 02:07:53.081120  <4>[   76.546774]  ? refcount_warn_saturate+0x97/0x110

 7088 02:07:53.087915  <4>[   76.552246]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7089 02:07:53.093614  <4>[   76.558670]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 7090 02:07:53.098638  <4>[   76.565298]  direct_entry.cold+0x2c/0x38

 7091 02:07:53.103238  <4>[   76.569985]  full_proxy_write+0x56/0x80

 7092 02:07:53.107193  <4>[   76.574576]  vfs_write+0xea/0x3b0

 7093 02:07:53.109624  75 cb 48 c7 c7 50 3f 55

 7094 02:07:53.117670  # [   75.613595] RSP: 0018:ffffa6d6c2bf<4>[   76.578586]  ksys_write+0x68/0xf0

 7095 02:07:53.119572  fe48 EFLAGS: 00010286

 7096 02:07:53.127805  # [   75.619741] RAX: 0000000000000000 RB<4>[   76.588801]  do_syscall_64+0x33/0x40

 7097 02:07:53.131880  X: 0000000000000037 RCX: 0000000000000000

 7098 02:07:53.140051  # [   75.628010] RDX:<4>[   76.599300]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7099 02:07:53.144272  <4>[   76.611458] RIP: 0033:0x7fc948986473

 7100 02:07:53.165817  <4>[   76.615754] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7101 02:07:53.174354  <4>[   76.637011] RSP: 002b:00007ffe93254748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7102 02:07:53.182362  <4>[   76.645766] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc948986473

 7103 02:07:53.191110  <4>[   76.654090] RDX: 0000000000000020 RSI: 00007fc94887a000 RDI: 0000000000000001

 7104 02:07:53.199767  <4>[   76.662393] RBP: 00007fc94887a000 R08: 00007fc948879010 R09: 0000000000000000

 7105 02:07:53.207388  <4>[   76.670668] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7106 02:07:53.216370  <4>[   76.678929] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7107 02:07:53.219395  <4>[   76.687220] irq event stamp: 0

 7108 02:07:53.226638  <4>[   76.690942] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7109 02:07:53.236641  <4>[   76.698248] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7110 02:07:53.246274  <4>[   76.707687] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7111 02:07:53.253077  <4>[   76.717132] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7112 02:07:53.258488  <4>[   76.724443] ---[ end trace bf7d0a621a4c667e ]---

 7113 02:07:53.264629  <6>[   76.729912] lkdtm: Saturation detected: still saturated

 7114 02:07:53.270797   ffff930a3bc2c660 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70

 7115 02:07:53.279626  # [   75.636287] RBP: ffffffff835f9053 R08: 0000000000000000 R09: 0000000000000000

 7116 02:07:53.287499  # [   75.644557] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7117 02:07:53.295919  # [   75.652828] R13: ffffa6d6c2bfff10 R14: ffffa6d6c2bfff10 R15: ffff9309c5b48000

 7118 02:07:53.304586  # [   75.661104] FS:  00007f64437a4580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 7119 02:07:53.310890  # [   75.670441] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7120 02:07:53.319784  # [   75.677159] CR2: 00007f64435ae000 CR3: 0000000103fc2000 CR4: 00000000003506f0

 7121 02:07:53.322638  # [   75.685433] Call Trace:

 7122 02:07:53.326773  # [   75.694695]  ? __warn+0x80/0x110

 7123 02:07:53.331782  # [   75.698624]  ? refcount_warn_saturate+0x51/0x110

 7124 02:07:53.335533  # [   75.704104]  ? report_bug+0x9e/0xc0

 7125 02:07:53.339745  # [   75.708313]  ? handle_bug+0x41/0x90

 7126 02:07:53.344753  # [   75.712520]  ? exc_invalid_op+0x14/0x70

 7127 02:07:53.349446  # [   75.717113]  ? asm_exc_invalid_op+0x12/0x20

 7128 02:07:53.354059  # [   75.722098]  ? refcount_warn_saturate+0x51/0x110

 7129 02:07:53.359761  # [   75.727562]  ? refcount_warn_saturate+0x51/0x110

 7130 02:07:53.365229  # [   75.733028]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 7131 02:07:53.370080  # [   75.738785]  direct_entry.cold+0x2c/0x38

 7132 02:07:53.374247  # [   75.743491]  full_proxy_write+0x56/0x80

 7133 02:07:53.378071  # [   75.754289]  vfs_write+0xea/0x3b0

 7134 02:07:53.382848  # [   75.758321]  ksys_write+0x68/0xf0

 7135 02:07:53.386136  # [   75.768503]  do_syscall_64+0x33/0x40

 7136 02:07:53.392479  # [   75.779004]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7137 02:07:53.396345  # [   75.791136] RIP: 0033:0x7f64436ba473

 7138 02:07:53.417095  # [   75.795438] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7139 02:07:53.425913  # [   75.822904] RSP: 002b:00007fff2c410758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7140 02:07:53.434224  # [   75.831716] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f64436ba473

 7141 02:07:53.441783  # [   75.840013] RDX: 0000000000000017 RSI: 00007f64435ae000 RDI: 0000000000000001

 7142 02:07:53.449805  # [   75.848280] RBP: 00007f64435ae000 R08: 00007f64435ad010 R09: 0000000000000000

 7143 02:07:53.459020  # [   75.856541] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7144 02:07:53.465992  # [   75.864803] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7145 02:07:53.469753  # [   75.873079] irq event stamp: 0

 7146 02:07:53.477984  # [   75.876792] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7147 02:07:53.486455  # [   75.884096] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7148 02:07:53.495443  # [   75.893525] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7149 02:07:53.502975  # [   75.902953] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7150 02:07:53.508219  # [   75.910248] ---[ end trace bf7d0a621a4c667d ]---

 7151 02:07:53.514027  # [   75.915700] lkdtm: Saturation detected: still saturated

 7152 02:07:53.522849  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok

 7153 02:07:53.526505  ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7154 02:07:53.531714  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7155 02:07:53.539443  # [   76.302513] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 7156 02:07:53.547190  # [   76.314520] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 7157 02:07:53.553202  # [   76.322328] ------------[ cut here ]------------

 7158 02:07:53.558147  # [   76.327808] refcount_t: saturated; leaking memory.

 7159 02:07:53.567554  # [   76.333528] WARNING: CPU: 0 PID: 2401 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7160 02:07:53.607718  # [   76.349467] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7161 02:07:53.617585  # [   76.395734] CPU: 0 PID: 2401 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 7162 02:07:53.623462  # [   76.404696] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7163 02:07:53.629409  # [   76.411613] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7164 02:07:53.651213  # [   76.417761] Code: 01 01 e8 03 ee c0 00 0f 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 83 c6 05 cc f1 f6 01 01 e8 e0 ed c<6>[   77.109375] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 7165 02:07:53.659240  <6>[   77.122669] lkdtm: attempting bad refcount_add_not_zero() from saturated

 7166 02:07:53.671334  0 00 <0f> 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 <4>[   77.130523] ------------[ cut here ]------------

 7167 02:07:53.676490  <4>[   77.142226] refcount_t: saturated; leaking memory.

 7168 02:07:53.678091  80 3f 55

 7169 02:07:53.692956  # [   76.439039] RSP: 0018:ffffa6d6c2c87e38 EFLAGS: 00<4>[   77.147946] WARNING: CPU: 2 PID: 2433 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7170 02:07:53.693744  010282

 7171 02:07:53.739022  # [   76.445178] RAX: 0000000000000000 RBX: 00000000c000<4>[   77.163882] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7172 02:07:53.747680  <4>[   77.210146] CPU: 2 PID: 2433 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 7173 02:07:53.754623  <4>[   77.219104] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7174 02:07:53.761729  <4>[   77.226030] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7175 02:07:53.782331  <4>[   77.232182] Code: 01 01 e8 03 ee c0 00 0f 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 83 c6 05 cc f1 f6 01 01 e8 e0 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55

 7176 02:07:53.784511  0000 RCX: 0000000000000000

 7177 02:07:53.794951  # [   76.453442] RDX: ffff930a3bc2c6<4>[   77.253454] RSP: 0018:ffffa6d6c2d0fe38 EFLAGS: 00010282

 7178 02:07:53.802546  <4>[   77.265784] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7179 02:07:53.811522  <4>[   77.274064] RDX: ffff930a3bd2c660 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70

 7180 02:07:53.819750  <4>[   77.282331] RBP: ffffffff835f8ca0 R08: 0000000000000000 R09: 0000000000000000

 7181 02:07:53.827771  <4>[   77.290600] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7182 02:07:53.836289  <4>[   77.298868] R13: ffffa6d6c2d0ff10 R14: ffffa6d6c2d0ff10 R15: ffff9309c5de8000

 7183 02:07:53.845717  <4>[   77.307132] FS:  00007fe6165d9580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 7184 02:07:53.852717  <4>[   77.316466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7185 02:07:53.860122  <4>[   77.323183] CR2: 00007fe6163e3000 CR3: 00000001046a2000 CR4: 00000000003506e0

 7186 02:07:53.864896  60 RSI: ffff930a3bc1bf70 RDI: ffff930a3bc1bf70

 7187 02:07:53.869056  # [   76.461712]<4>[   77.331457] Call Trace:

 7188 02:07:53.872835  <4>[   77.340701]  ? __warn+0x80/0x110

 7189 02:07:53.879619  <4>[   77.344616]  ? refcount_warn_saturate+0x97/0x110

 7190 02:07:53.883361  <4>[   77.350078]  ? report_bug+0x9e/0xc0

 7191 02:07:53.888357  <4>[   77.354287]  ? handle_bug+0x41/0x90

 7192 02:07:53.891567  <4>[   77.358498]  ? exc_invalid_op+0x14/0x70

 7193 02:07:53.897534  <4>[   77.363099]  ? asm_exc_invalid_op+0x12/0x20

 7194 02:07:53.902826  <4>[   77.368084]  ? refcount_warn_saturate+0x97/0x110

 7195 02:07:53.907854  <4>[   77.373547]  ? refcount_warn_saturate+0x97/0x110

 7196 02:07:53.914182  <4>[   77.379009]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7197 02:07:53.926568   RBP: ffffffff835f8c80 R08: 0000000000000000 R09: 00000000000000<4>[   77.385439]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 7198 02:07:53.927457  00

 7199 02:07:53.938547  # [   76.469986] R10: 00000000ffffe000 R11: 3fffffffffffffff<4>[   77.398267]  direct_entry.cold+0x2c/0x38

 7200 02:07:53.940256   R12: 0000000000000020

 7201 02:07:53.948539  # [   76.478259] R13: ffffa6d6c2c87f10 R<4>[   77.409139]  full_proxy_write+0x56/0x80

 7202 02:07:53.952258  <4>[   77.419917]  vfs_write+0xea/0x3b0

 7203 02:07:53.956396  <4>[   77.423927]  ksys_write+0x68/0xf0

 7204 02:07:53.960695  <4>[   77.427941]  do_syscall_64+0x33/0x40

 7205 02:07:53.967533  <4>[   77.432240]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7206 02:07:53.971566  <4>[   77.438189] RIP: 0033:0x7fe6164ef473

 7207 02:07:53.975673  14: ffffa6d6c2c87f10 R15: ffff9309c2d81000

 7208 02:07:53.998821  # [   76.486529] FS:<4>[   77.442497] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7209 02:07:54.007294  <4>[   77.469931] RSP: 002b:00007ffd5b54c1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7210 02:07:54.015882  <4>[   77.478691] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe6164ef473

 7211 02:07:54.024583  <4>[   77.486958] RDX: 0000000000000020 RSI: 00007fe6163e3000 RDI: 0000000000000001

 7212 02:07:54.032362  <4>[   77.495223] RBP: 00007fe6163e3000 R08: 00007fe6163e2010 R09: 0000000000000000

 7213 02:07:54.041534  <4>[   77.503493] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7214 02:07:54.048911  <4>[   77.511757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7215 02:07:54.052224  <4>[   77.520032] irq event stamp: 0

 7216 02:07:54.059760  <4>[   77.523746] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7217 02:07:54.069679  <4>[   77.531042] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7218 02:07:54.079179  <4>[   77.540468] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7219 02:07:54.086060  <4>[   77.549896] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7220 02:07:54.091515  <4>[   77.557190] ---[ end trace bf7d0a621a4c667f ]---

 7221 02:07:54.097271  <6>[   77.562636] lkdtm: Saturation detected: still saturated

 7222 02:07:54.104664    00007fc948a70580(0000) GS:ffff930a3bc00000(0000) knlGS:0000000000000000

 7223 02:07:54.111409  # [   76.495864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7224 02:07:54.119320  # [   76.502578] CR2: 00007fc94887a000 CR3: 0000000103fda000 CR4: 00000000003506f0

 7225 02:07:54.122226  # [   76.510841] Call Trace:

 7226 02:07:54.126860  # [   76.513892]  ? __warn+0x80/0x110

 7227 02:07:54.131634  # [   76.517817]  ? refcount_warn_saturate+0x97/0x110

 7228 02:07:54.136285  # [   76.523295]  ? report_bug+0x9e/0xc0

 7229 02:07:54.140817  # [   76.527513]  ? handle_bug+0x41/0x90

 7230 02:07:54.143956  # [   76.531714]  ? exc_invalid_op+0x14/0x70

 7231 02:07:54.149040  # [   76.536315]  ? asm_exc_invalid_op+0x12/0x20

 7232 02:07:54.154451  # [   76.541309]  ? refcount_warn_saturate+0x97/0x110

 7233 02:07:54.160208  # [   76.546774]  ? refcount_warn_saturate+0x97/0x110

 7234 02:07:54.166265  # [   76.552246]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7235 02:07:54.172353  # [   76.558670]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 7236 02:07:54.176920  # [   76.565298]  direct_entry.cold+0x2c/0x38

 7237 02:07:54.181319  # [   76.569985]  full_proxy_write+0x56/0x80

 7238 02:07:54.185398  # [   76.574576]  vfs_write+0xea/0x3b0

 7239 02:07:54.190095  # [   76.578586]  ksys_write+0x68/0xf0

 7240 02:07:54.193708  # [   76.588801]  do_syscall_64+0x33/0x40

 7241 02:07:54.199816  # [   76.599300]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7242 02:07:54.203964  # [   76.611458] RIP: 0033:0x7fc948986473

 7243 02:07:54.224764  # [   76.615754] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7244 02:07:54.233833  # [   76.637011] RSP: 002b:00007ffe93254748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7245 02:07:54.241389  # [   76.645766] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc948986473

 7246 02:07:54.249271  # [   76.654090] RDX: 0000000000000020 RSI: 00007fc94887a000 RDI: 0000000000000001

 7247 02:07:54.257865  # [   76.662393] RBP: 00007fc94887a000 R08: 00007fc948879010 R09: 0000000000000000

 7248 02:07:54.265825  # [   76.670668] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7249 02:07:54.274110  # [   76.678929] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7250 02:07:54.277563  # [   76.687220] irq event stamp: 0

 7251 02:07:54.285047  # [   76.690942] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7252 02:07:54.293788  # [   76.698248] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7253 02:07:54.303371  # [   76.707687] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7254 02:07:54.310435  # [   76.717132] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7255 02:07:54.315843  # [   76.724443] ---[ end trace bf7d0a621a4c667e ]---

 7256 02:07:54.321958  # [   76.729912] lkdtm: Saturation detected: still saturated

 7257 02:07:54.327443  # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7258 02:07:54.333665  ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7259 02:07:54.338673  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7260 02:07:54.347060  # [   77.109375] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 7261 02:07:54.354037  # [   77.122669] lkdtm: attempting bad refcount_add_not_zero() from saturated

 7262 02:07:54.359697  # [   77.130523] ------------[ cut here ]------------

 7263 02:07:54.365096  # [   77.142226] refcount_t: saturated; leaking memory.

 7264 02:07:54.374416  # [   77.147946] WARNING: CPU: 2 PID: 2433 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7265 02:07:54.414273  # [   77.163882] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7266 02:07:54.423042  # [   77.210146] CPU: 2 PID: 2433 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 7267 02:07:54.430425  # [   77.219104] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7268 02:07:54.436484  # [   77.226030] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7269 02:07:54.456626  # [   77.232182] Code: 01 01 e8 03 ee c0 00 0f 0b c3 cc cc cc cc 80 3d dc f1 f6 01 00 75 a8 48 c7 c7 28 3f 55 83 c6 05 cc f1 f6 01 01 e8 e0 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55

 7270 02:07:54.463204  # [   77.253454] RSP: 0018:ffffa6d6c2d0fe38 EFLAGS: 00010282

 7271 02:07:54.470824  # [   77.265784] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7272 02:07:54.479093  # [   77.274064] RDX: ffff930a3bd2c660 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70

 7273 02:07:54.487907  # [   77.282331] RBP: ffffffff835f8ca0 R08: 0000000000000000 R09: 0000000000000000

 7274 02:07:54.495637  # [   77<6>[   77.956431] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7275 02:07:54.504071  <6>[   77.967459] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7276 02:07:54.509152  <4>[   77.975247] ------------[ cut here ]------------

 7277 02:07:54.515317  <4>[   77.980709] refcount_t: underflow; use-after-free.

 7278 02:07:54.524581  <4>[   77.986424] WARNING: CPU: 2 PID: 2468 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7279 02:07:54.571323  .290600] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000<4>[   77.996129] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7280 02:07:54.580430  <4>[   78.042370] CPU: 2 PID: 2468 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 7281 02:07:54.588529  <4>[   78.051313] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7282 02:07:54.593617  <4>[   78.058230] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7283 02:07:54.613884  <4>[   78.064377] Code: 01 01 e8 e0 ed c0 00 0f 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 83 c6 05 a6 f1 f6 01 01 e8 bd ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 91 f1 f6 01 00 0f 85 5e ff ff ff 48 c7

 7284 02:07:54.621671  <4>[   78.085628] RSP: 0018:ffffa6d6c2d8fe40 EFLAGS: 00010286

 7285 02:07:54.628383  <4>[   78.091766] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7286 02:07:54.638397  <4>[   78.100028] RDX: ffff930a3bd2c660 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70

 7287 02:07:54.645814  <4>[   78.108299] RBP: ffffffff835f8cc0 R08: 0000000000000000 R09: 0000000000000000

 7288 02:07:54.654099  <4>[   78.116562] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7289 02:07:54.662091  <4>[   78.124830] R13: ffffa6d6c2d8ff10 R14: ffffa6d6c2d8ff10 R15: ffff9309c3ef8000

 7290 02:07:54.671055  <4>[   78.133101] FS:  00007f62f0dc4580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 7291 02:07:54.678129  <4>[   78.142432] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7292 02:07:54.687164  <4>[   78.149148] CR2: 00007f62f0bce000 CR3: 0000000106ad2000 CR4: 00000000003506e0

 7293 02:07:54.689868  <4>[   78.157418] Call Trace:

 7294 02:07:54.693195  <4>[   78.160467]  ? __warn+0x80/0x110

 7295 02:07:54.700208  <4>[   78.164390]  ? refcount_warn_saturate+0xba/0x110

 7296 02:07:54.702580  <4>[   78.169855]  ? report_bug+0x9e/0xc0

 7297 02:07:54.707545  <4>[   78.174068]  ? handle_bug+0x41/0x90

 7298 02:07:54.711678  <4>[   78.178271]  ? exc_invalid_op+0x14/0x70

 7299 02:07:54.717350  <4>[   78.182864]  ? asm_exc_invalid_op+0x12/0x20

 7300 02:07:54.721938  <4>[   78.187850]  ? refcount_warn_saturate+0xba/0x110

 7301 02:07:54.728392  <4>[   78.193310]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7302 02:07:54.735905  <4>[   78.199737]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7303 02:07:54.739909  <4>[   78.206374]  direct_entry.cold+0x2c/0x38

 7304 02:07:54.744561  <4>[   78.211065]  full_proxy_write+0x56/0x80

 7305 02:07:54.748942  <4>[   78.215666]  vfs_write+0xea/0x3b0

 7306 02:07:54.752924  <4>[   78.219683]  ksys_write+0x68/0xf0

 7307 02:07:54.757037  <4>[   78.223700]  do_syscall_64+0x33/0x40

 7308 02:07:54.762444  <4>[   78.227996]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7309 02:07:54.763488  0000000020

 7310 02:07:54.773370  # [   77.298868] R13: ffffa6d6c2d0ff10 R14: ffffa6d6<4>[   78.233952] RIP: 0033:0x7f62f0cda473

 7311 02:07:54.776339  c2d0ff10 R15: ffff9309c5de8000

 7312 02:07:54.801488  # [   77.307132] FS:  00007fe616<4>[   78.244456] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7313 02:07:54.809796  <4>[   78.271884] RSP: 002b:00007ffe159b3cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7314 02:07:54.818062  <4>[   78.280653] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f62f0cda473

 7315 02:07:54.825597  <4>[   78.288930] RDX: 0000000000000020 RSI: 00007f62f0bce000 RDI: 0000000000000001

 7316 02:07:54.834035  <4>[   78.297214] RBP: 00007f62f0bce000 R08: 00007f62f0bcd010 R09: 0000000000000000

 7317 02:07:54.840530  5d9580(0000) GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 7318 02:07:54.848617  #<4>[   78.305532] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7319 02:07:54.856742  <4>[   78.320022] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7320 02:07:54.860985  <4>[   78.328316] irq event stamp: 0

 7321 02:07:54.868011  <4>[   78.332041] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7322 02:07:54.877641  <4>[   78.339348] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7323 02:07:54.888639  <4>[   78.348790] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7324 02:07:54.894195  <4>[   78.358233] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7325 02:07:54.900220  <4>[   78.365531] ---[ end trace bf7d0a621a4c6680 ]---

 7326 02:07:54.905800  <6>[   78.370997] lkdtm: Saturation detected: still saturated

 7327 02:07:54.912397   [   77.316466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7328 02:07:54.920417  # [   77.323183] CR2: 00007fe6163e3000 CR3: 00000001046a2000 CR4: 00000000003506e0

 7329 02:07:54.923562  # [   77.331457] Call Trace:

 7330 02:07:54.927293  # [   77.340701]  ? __warn+0x80/0x110

 7331 02:07:54.932626  # [   77.344616]  ? refcount_warn_saturate+0x97/0x110

 7332 02:07:54.936953  # [   77.350078]  ? report_bug+0x9e/0xc0

 7333 02:07:54.941032  # [   77.354287]  ? handle_bug+0x41/0x90

 7334 02:07:54.945289  # [   77.358498]  ? exc_invalid_op+0x14/0x70

 7335 02:07:54.950217  # [   77.363099]  ? asm_exc_invalid_op+0x12/0x20

 7336 02:07:54.955669  # [   77.368084]  ? refcount_warn_saturate+0x97/0x110

 7337 02:07:54.960920  # [   77.373547]  ? refcount_warn_saturate+0x97/0x110

 7338 02:07:54.967072  # [   77.379009]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7339 02:07:54.973232  # [   77.385439]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 7340 02:07:54.977995  # [   77.398267]  direct_entry.cold+0x2c/0x38

 7341 02:07:54.982907  # [   77.409139]  full_proxy_write+0x56/0x80

 7342 02:07:54.987379  # [   77.419917]  vfs_write+0xea/0x3b0

 7343 02:07:54.990609  # [   77.423927]  ksys_write+0x68/0xf0

 7344 02:07:54.994579  # [   77.427941]  do_syscall_64+0x33/0x40

 7345 02:07:55.000735  # [   77.432240]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7346 02:07:55.004656  # [   77.438189] RIP: 0033:0x7fe6164ef473

 7347 02:07:55.025953  # [   77.442497] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7348 02:07:55.034814  # [   77.469931] RSP: 002b:00007ffd5b54c1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7349 02:07:55.042608  # [   77.478691] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe6164ef473

 7350 02:07:55.050886  # [   77.486958] RDX: 0000000000000020 RSI: 00007fe6163e3000 RDI: 0000000000000001

 7351 02:07:55.059368  # [   77.495223] RBP: 00007fe6163e3000 R08: 00007fe6163e2010 R09: 0000000000000000

 7352 02:07:55.066858  # [   77.503493] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7353 02:07:55.074779  # [   77.511757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7354 02:07:55.078824  # [   77.520032] irq event stamp: 0

 7355 02:07:55.085995  # [   77.523746] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7356 02:07:55.095464  # [   77.531042] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7357 02:07:55.104484  # [   77.540468] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7358 02:07:55.111432  # [   77.549896] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7359 02:07:55.117307  # [   77.557190] ---[ end trace bf7d0a621a4c667f ]---

 7360 02:07:55.123078  # [   77.562636] lkdtm: Saturation detected: still saturated

 7361 02:07:55.128614  # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7362 02:07:55.134577  ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7363 02:07:55.139689  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7364 02:07:55.147529  # [   77.956431] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7365 02:07:55.154910  # [   77.967459] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7366 02:07:55.160628  # [   77.975247] ------------[ cut here ]------------

 7367 02:07:55.166225  # [   77.980709] refcount_t: underflow; use-after-free.

 7368 02:07:55.175815  # [   77.986424] WARNING: CPU: 2 PID: 2468 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7369 02:07:55.216135  # [   77.996129] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7370 02:07:55.224656  # [   78.042370] CPU: 2 PID: 2468 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 7371 02:07:55.231696  # [   78.051313] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7372 02:07:55.238267  # [   78.058230] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7373 02:07:55.258479  # [   78.064377] Code: 01 01 e8 e0 ed c0 00 0f 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 83 c6 05 a6 f1 f6 01 01 e8 bd ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 91 f1 f6 01 00 0f 85 5e ff ff ff 48 c7

 7374 02:07:55.264873  # [   78.085628] RSP: 0018:ffffa6d6c2d8fe40 EFLAGS: 00010286

 7375 02:07:55.273896  # [   78.091766] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7376 02:07:55.280679  # [   78.100028] RDX: ffff930a3bd2c660 RSI: ffff930a3bd1bf70 RDI: ffff930a3bd1bf70

 7377 02:07:55.288667  # [   78.108299] RBP: ffffffff835f8cc0 R08: 0000000000000000 R09: 0000000000000000

 7378 02:07:55.297664  # [   78.116562] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7379 02:07:55.311345  # [   78.124830] R13: ffffa6d6c2d8ff10 R14: ffffa6d6c2d8ff10 R15<6>[   78.770710] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7380 02:07:55.313974  : ffff9309c3ef8000

 7381 02:07:55.325080  # [   78.133101] FS:  00007f62f0dc4580(0000)<6>[   78.782585] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7382 02:07:55.330375   GS:ffff930a3bd00000(0000) knlGS:0000000000000000

 7383 02:07:55.336988  # [   78.1424<4>[   78.796593] ------------[ cut here ]------------

 7384 02:07:55.342480  32] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7385 02:07:55.349107  # [   78.<4>[   78.808254] refcount_t: underflow; use-after-free.

 7386 02:07:55.365295  149148] CR2: 00007f62f0bce000 CR3: 0000000106ad2000 CR4: 0000000<4>[   78.820144] WARNING: CPU: 3 PID: 2503 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7387 02:07:55.365823  0003506e0

 7388 02:07:55.368924  # [   78.157418] Call Trace:

 7389 02:07:55.412229  # [   78.160467]  ? __w<4>[   78.836085] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7390 02:07:55.413252  arn+0x80/0x110

 7391 02:07:55.426637  # [   78.164390]  ? refcount_warn_saturate+0xba/<4>[   78.882271] CPU: 3 PID: 2503 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 7392 02:07:55.427229  0x110

 7393 02:07:55.430650  # [   78.169855]  ? report_bug+0x9e/0xc0

 7394 02:07:55.439214  # [   78.174068<4>[   78.897371] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7395 02:07:55.441849  ]  ? handle_bug+0x41/0x90

 7396 02:07:55.452137  # [   78.178271]  ? exc_invalid_op+0x<4>[   78.910505] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7397 02:07:55.452618  14/0x70

 7398 02:07:55.457227  # [   78.182864]  ? asm_exc_invalid_op+0x12/0x20

 7399 02:07:55.480135  # [  <4>[   78.922816] Code: 01 01 e8 e0 ed c0 00 0f 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 83 c6 05 a6 f1 f6 01 01 e8 bd ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 91 f1 f6 01 00 0f 85 5e ff ff ff 48 c7

 7400 02:07:55.483749   78.187850]  ? refcount_warn_saturate+0xba/0x110

 7401 02:07:55.491042  # [   78.19331<4>[   78.950308] RSP: 0018:ffffa6d6c2e17e40 EFLAGS: 00010286

 7402 02:07:55.496918  0]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7403 02:07:55.505339  # [   78.1997<4>[   78.962610] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7404 02:07:55.510911  37]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7405 02:07:55.520530  # [   78.2<4>[   78.977069] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70

 7406 02:07:55.523748  06374]  direct_entry.cold+0x2c/0x38

 7407 02:07:55.534681  # [   78.211065]  full_prox<4>[   78.991565] RBP: ffffffff835f8ce0 R08: 0000000000000000 R09: 0000000000000000

 7408 02:07:55.536764  y_write+0x56/0x80

 7409 02:07:55.540239  # [   78.215666]  vfs_write+0xea/0x3b0

 7410 02:07:55.549272  # [  <4>[   79.006012] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7411 02:07:55.552257   78.219683]  ksys_write+0x68/0xf0

 7412 02:07:55.564001  # [   78.223700]  do_syscall_<4>[   79.020517] R13: ffffa6d6c2e17f10 R14: ffffa6d6c2e17f10 R15: ffff9309c3259000

 7413 02:07:55.565462  64+0x33/0x40

 7414 02:07:55.579688  # [   78.227996]  entry_SYSCALL_64_after_hwframe+0<4>[   79.034969] FS:  00007fee372ed580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 7415 02:07:55.580292  x61/0xc6

 7416 02:07:55.584385  # [   78.233952] RIP: 0033:0x7f62f0cda473

 7417 02:07:55.592315  # [   78.24<4>[   79.050520] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7418 02:07:55.606305  4456] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff f<4>[   79.063489] CR2: 00007fee370f7000 CR3: 0000000105a7e000 CR4: 00000000003506e0

 7419 02:07:55.615920  f eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00<4>[   79.078189] Call Trace:

 7420 02:07:55.626207   00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 4<4>[   79.087184]  ? __warn+0x80/0x110

 7421 02:07:55.627307  8 89 54 24 18

 7422 02:07:55.637532  # [   78.271884] RSP: 002b:00007ffe159b3cf8 EFLAG<4>[   79.097495]  ? refcount_warn_saturate+0xba/0x110

 7423 02:07:55.641080  S: 00000246 ORIG_RAX: 0000000000000001

 7424 02:07:55.648358  # [   78.280653] RAX: ff<4>[   79.109089]  ? report_bug+0x9e/0xc0

 7425 02:07:55.653746  ffffffffffffda RBX: 0000000000000020 RCX: 00007f62f0cda473

 7426 02:07:55.658594  # [ <4>[   79.119507]  ? handle_bug+0x41/0x90

 7427 02:07:55.670028    78.288930] RDX: 0000000000000020 RSI: 00007f62f0bce000 RDI: 00<4>[   79.129786]  ? exc_invalid_op+0x14/0x70

 7428 02:07:55.671342  00000000000001

 7429 02:07:55.680510  # [   78.297214] RBP: 00007f62f0bce000 R08: 0000<4>[   79.140607]  ? asm_exc_invalid_op+0x12/0x20

 7430 02:07:55.684017  7f62f0bcd010 R09: 0000000000000000

 7431 02:07:55.691756  # [   78.305532] R10: ffffff<4>[   79.151763]  ? refcount_warn_saturate+0xba/0x110

 7432 02:07:55.697519  fffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7433 02:07:55.704411  # [   78<4>[   79.163441]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7434 02:07:55.717294  .320022] R13: 0000000000000001 R14: 0000000000020000 R15: 000000<4>[   79.176034]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7435 02:07:55.718557  0000020000

 7436 02:07:55.722530  # [   78.328316] irq event stamp: 0

 7437 02:07:55.728167  # [   78.332041<4>[   79.188891]  direct_entry.cold+0x2c/0x38

 7438 02:07:55.734251  ] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7439 02:07:55.740200  # [  <4>[   79.199713]  full_proxy_write+0x56/0x80

 7440 02:07:55.749104   78.339348] hardirqs last disabled at (0): [<ffffffff816fd844>] <4>[   79.210543]  vfs_write+0xea/0x3b0

 7441 02:07:55.752325  copy_process+0x664/0x1c60

 7442 02:07:55.759370  # [   78.348790] softirqs last  enabl<4>[   79.220826]  ksys_write+0x68/0xf0

 7443 02:07:55.766197  ed at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7444 02:07:55.770647  # [  <4>[   79.230973]  do_syscall_64+0x33/0x40

 7445 02:07:55.782158   78.358233] softirqs last disabled at (0): [<0000000000000000>] <4>[   79.241480]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7446 02:07:55.782665  0x0

 7447 02:07:55.788502  # [   78.365531] ---[ end trace bf7d0a621a4c6680 ]---

 7448 02:07:55.793335  # [ <4>[   79.253613] RIP: 0033:0x7fee37203473

 7449 02:07:55.798712    78.370997] lkdtm: Saturation detected: still saturated

 7450 02:07:55.820494  # REFC<4>[   79.264178] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7451 02:07:55.835110  OUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still sat<4>[   79.291568] RSP: 002b:00007ffc7b87f798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7452 02:07:55.836448  urated': ok

 7453 02:07:55.849660  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATUR<4>[   79.306570] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fee37203473

 7454 02:07:55.850472  ATED.sh

 7455 02:07:55.856003  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7456 02:07:55.864607  <4>[   79.320984] RDX: 0000000000000020 RSI: 00007fee370f7000 RDI: 0000000000000001

 7457 02:07:55.865104  

 7458 02:07:55.872246  <4>[   79.335497] RBP: 00007fee370f7000 R08: 00007fee370f6010 R09: 0000000000000000

 7459 02:07:55.880944  <4>[   79.343838] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7460 02:07:55.888837  <4>[   79.352194] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7461 02:07:55.893156  <4>[   79.360555] irq event stamp: 0

 7462 02:07:55.900190  <4>[   79.364372] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7463 02:07:55.909572  <4>[   79.371754] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7464 02:07:55.919126  <4>[   79.381278] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7465 02:07:55.926725  <4>[   79.390784] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7466 02:07:55.932393  <4>[   79.398185] ---[ end trace bf7d0a621a4c6681 ]---

 7467 02:07:55.938298  <6>[   79.403720] lkdtm: Saturation detected: still saturated

 7468 02:07:56.040901  # [   78.770710] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7469 02:07:56.048291  # [   78.782585] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7470 02:07:56.053747  # [   78.796593] ------------[ cut here ]------------

 7471 02:07:56.058996  # [   78.808254] refcount_t: underflow; use-after-free.

 7472 02:07:56.068868  # [   78.820144] WARNING: CPU: 3 PID: 2503 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7473 02:07:56.108357  # [   78.836085] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_usbpd_logger cros_usbpd_charger cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_max98357a snd_soc_core cros_usbpd_notify i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7474 02:07:56.117107  # [   78.882271] CPU: 3 PID: 2503 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 7475 02:07:56.124194  # [   78.897371] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7476 02:07:56.130795  # [   78.910505] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7477 02:07:56.151255  # [   78.922816] Code: 01 01 e8 e0 ed c0 00 0f 0b c3 cc cc cc cc 80 3d b6 f1 f6 01 00 75 85 48 c7 c7 80 3f 55 83 c6 05 a6 f1 f6 01 01 e8 bd ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 91 f1 f6 01 00 0f 85 5e ff ff ff 48 c7

 7478 02:07:56.157084  # [   78.950308] RSP: 0018:ffffa6d6c2e17e40 EFLAGS: 00010286

 7479 02:07:56.165049  # [   78.962610] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7480 02:07:56.174316  # [   78.977069] RDX: ffff930a3bdac660 RSI: ffff930a3bd9bf70 RDI: ffff930a3bd9bf70

 7481 02:07:56.181894  # [   78.991565] RBP: ffffffff835f8ce0 R08: 0000000000000000 R09: 0000000000000000

 7482 02:07:56.190122  # [   79.006012] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7483 02:07:56.198511  # [   79.020517] R13: ffffa6d6c2e17f10 R14: ffffa6d6c2e17f10 R15: ffff9309c3259000

 7484 02:07:56.207414  # [   79.034969] FS:  00007fee372ed580(0000) GS:ffff930a3bd80000(0000) knlGS:0000000000000000

 7485 02:07:56.213821  # [   79.050520] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7486 02:07:56.221933  # [   79.063489] CR2: 00007fee370f7000 CR3: 0000000105a7e000 CR4: 00000000003506e0

 7487 02:07:56.225478  # [   79.078189] Call Trace:

 7488 02:07:56.229013  # [   79.087184]  ? __warn+0x80/0x110

 7489 02:07:56.234112  # [   79.097495]  ? refcount_warn_saturate+0xba/0x110

 7490 02:07:56.237841  # [   79.109089]  ? report_bug+0x9e/0xc0

 7491 02:07:56.241938  # [   79.119507]  ? handle_bug+0x41/0x90

 7492 02:07:56.246797  # [   79.129786]  ? exc_invalid_op+0x14/0x70

 7493 02:07:56.251726  # [   79.140607]  ? asm_exc_invalid_op+0x12/0x20

 7494 02:07:56.257466  # [   79.151763]  ? refcount_warn_saturate+0xba/0x110

 7495 02:07:56.263385  # [   79.163441]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7496 02:07:56.269559  # [   79.176034]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7497 02:07:56.274072  # [   79.188891]  direct_entry.cold+0x2c/0x38

 7498 02:07:56.278972  # [   79.199713]  full_proxy_write+0x56/0x80

 7499 02:07:56.283201  # [   79.210543]  vfs_write+0xea/0x3b0

 7500 02:07:56.286207  # [   79.220826]  ksys_write+0x68/0xf0

 7501 02:07:56.290510  # [   79.230973]  do_syscall_64+0x33/0x40

 7502 02:07:56.296758  # [   79.241480]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7503 02:07:56.300683  # [   79.253613] RIP: 0033:0x7fee37203473

 7504 02:07:56.321437  # [   79.264178] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7505 02:07:56.330923  # [   79.291568] RSP: 002b:00007ffc7b87f798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7506 02:07:56.338456  # [   79.306570] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fee37203473

 7507 02:07:56.346509  # [   79.320984] RDX: 0000000000000020 RSI: 00007fee370f7000 RDI: 0000000000000001

 7508 02:07:56.354516  # [   79.335497] RBP: 00007fee370f7000 R08: 00007fee370f6010 R09: 0000000000000000

 7509 02:07:56.362665  # [   79.343838] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7510 02:07:56.370834  # [   79.352194] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7511 02:07:56.374790  # [   79.360555] irq event stamp: 0

 7512 02:07:56.382271  # [   79.364372] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7513 02:07:56.391017  # [   79.371754] hardirqs last disabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7514 02:07:56.401002  # [   79.381278] softirqs last  enabled at (0): [<ffffffff816fd844>] copy_process+0x664/0x1c60

 7515 02:07:56.407510  # [   79.390784] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7516 02:07:56.413008  # [   79.398185] ---[ end trace bf7d0a621a4c6681 ]---

 7517 02:07:56.419304  # [   79.403720] lkdtm: Saturation detected: still saturated

 7518 02:07:56.426798  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7519 02:07:56.432584  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7520 02:07:56.436128  # selftests: lkdtm: REFCOUNT_TIMING.sh

 7521 02:07:56.440050  # Skipping REFCOUNT_TIMING: timing only

 7522 02:07:56.445672  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 7523 02:07:56.449673  # selftests: lkdtm: ATOMIC_TIMING.sh

 7524 02:07:56.452505  # Skipping ATOMIC_TIMING: timing only

 7525 02:07:56.457098  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 7526 02:07:56.461851  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 7527 02:07:56.597531  <6>[   80.062005] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7528 02:07:56.605038  <6>[   80.069075] lkdtm: attempting good copy_to_user of correct size

 7529 02:07:56.611706  <6>[   80.076019] lkdtm: attempting bad copy_to_user of too large size

 7530 02:07:56.711332  # [   80.062005] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7531 02:07:56.718042  # [   80.069075] lkdtm: attempting good copy_to_user of correct size

 7532 02:07:56.724980  # [   80.076019] lkdtm: attempting bad copy_to_user of too large size

 7533 02:07:56.732513  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 7534 02:07:56.746088  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 7535 02:07:56.758515  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 7536 02:07:56.971604  <6>[   80.435781] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7537 02:07:56.979203  <6>[   80.443012] lkdtm: attempting good copy_from_user of correct size

 7538 02:07:56.986028  <6>[   80.450157] lkdtm: attempting bad copy_from_user of too large size

 7539 02:07:57.084296  # [   80.435781] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7540 02:07:57.090718  # [   80.443012] lkdtm: attempting good copy_from_user of correct size

 7541 02:07:57.098591  # [   80.450157] lkdtm: attempting bad copy_from_user of too large size

 7542 02:07:57.103457  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 7543 02:07:57.117410  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 7544 02:07:57.129450  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 7545 02:07:57.344792  <6>[   80.808876] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7546 02:07:57.352754  <6>[   80.816448] lkdtm: attempting good copy_to_user inside whitelist

 7547 02:07:57.358851  <6>[   80.823505] lkdtm: attempting bad copy_to_user outside whitelist

 7548 02:07:57.454784  # [   80.808876] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7549 02:07:57.461326  # [   80.816448] lkdtm: attempting good copy_to_user inside whitelist

 7550 02:07:57.468887  # [   80.823505] lkdtm: attempting bad copy_to_user outside whitelist

 7551 02:07:57.473987  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 7552 02:07:57.485463  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 7553 02:07:57.496265  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 7554 02:07:57.693353  <6>[   81.157274] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7555 02:07:57.700591  <6>[   81.165010] lkdtm: attempting good copy_from_user inside whitelist

 7556 02:07:57.707875  <6>[   81.172231] lkdtm: attempting bad copy_from_user outside whitelist

 7557 02:07:57.809354  # [   81.157274] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7558 02:07:57.816347  # [   81.165010] lkdtm: attempting good copy_from_user inside whitelist

 7559 02:07:57.822667  # [   81.172231] lkdtm: attempting bad copy_from_user outside whitelist

 7560 02:07:57.829033  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 7561 02:07:57.841663  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 7562 02:07:57.855102  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 7563 02:07:58.061437  <6>[   81.525179] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7564 02:07:58.067896  <6>[   81.532407] lkdtm: good_stack: ffffa6d6c316fe20-ffffa6d6c316fe40

 7565 02:07:58.075027  <6>[   81.539464] lkdtm: bad_stack : ffffa6d6c316fda8-ffffa6d6c316fdc8

 7566 02:07:58.082538  <6>[   81.546833] lkdtm: attempting good copy_to_user of local stack

 7567 02:07:58.089428  <6>[   81.554049] lkdtm: attempting bad copy_to_user of distant stack

 7568 02:07:58.189112  # [   81.525179] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7569 02:07:58.196054  # [   81.532407] lkdtm: good_stack: ffffa6d6c316fe20-ffffa6d6c316fe40

 7570 02:07:58.203351  # [   81.539464] lkdtm: bad_stack : ffffa6d6c316fda8-ffffa6d6c316fdc8

 7571 02:07:58.209770  # [   81.546833] lkdtm: attempting good copy_to_user of local stack

 7572 02:07:58.218167  # [   81.554049] lkdtm: attempting bad copy_to_user of distant stack

 7573 02:07:58.221688  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 7574 02:07:58.228226  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 7575 02:07:58.234742  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 7576 02:07:58.440804  <6>[   81.904701] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7577 02:07:58.447864  <6>[   81.912124] lkdtm: good_stack: ffffa6d6c31efe20-ffffa6d6c31efe40

 7578 02:07:58.454834  <6>[   81.919147] lkdtm: bad_stack : ffffa6d6c31efda8-ffffa6d6c31efdc8

 7579 02:07:58.462466  <6>[   81.926178] lkdtm: attempting good copy_from_user of local stack

 7580 02:07:58.468960  <6>[   81.933202] lkdtm: attempting bad copy_from_user of distant stack

 7581 02:07:58.568026  # [   81.904701] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7582 02:07:58.575355  # [   81.912124] lkdtm: good_stack: ffffa6d6c31efe20-ffffa6d6c31efe40

 7583 02:07:58.581890  # [   81.919147] lkdtm: bad_stack : ffffa6d6c31efda8-ffffa6d6c31efdc8

 7584 02:07:58.588345  # [   81.926178] lkdtm: attempting good copy_from_user of local stack

 7585 02:07:58.595346  # [   81.933202] lkdtm: attempting bad copy_from_user of distant stack

 7586 02:07:58.601150  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 7587 02:07:58.607970  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 7588 02:07:58.614656  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 7589 02:07:58.821848  <6>[   82.286259] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7590 02:07:58.828902  <6>[   82.293299] lkdtm: good_stack: ffffa6d6c32a7e20-ffffa6d6c32a7e40

 7591 02:07:58.836145  <6>[   82.300321] lkdtm: bad_stack : ffffa6d6c32a7ff8-ffffa6d6c32a8018

 7592 02:07:58.842854  <6>[   82.307525] lkdtm: attempting good copy_to_user of local stack

 7593 02:07:58.849961  <6>[   82.314376] lkdtm: attempting bad copy_to_user of distant stack

 7594 02:07:58.856131  <4>[   82.321306] lkdtm: copy_to_user failed, but lacked Oops

 7595 02:07:58.955026  # [   82.286259] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7596 02:07:58.963191  # [   82.293299] lkdtm: good_stack: ffffa6d6c32a7e20-ffffa6d6c32a7e40

 7597 02:07:58.968765  # [   82.300321] lkdtm: bad_stack : ffffa6d6c32a7ff8-ffffa6d6c32a8018

 7598 02:07:58.975384  # [   82.307525] lkdtm: attempting good copy_to_user of local stack

 7599 02:07:58.982087  # [   82.314376] lkdtm: attempting bad copy_to_user of distant stack

 7600 02:07:58.988047  # [   82.321306] lkdtm: copy_to_user failed, but lacked Oops

 7601 02:07:58.993879  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 7602 02:07:58.999531  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 7603 02:07:59.003380  # selftests: lkdtm: USERCOPY_KERNEL.sh

 7604 02:07:59.222339  <6>[   82.687513] lkdtm: Performing direct entry USERCOPY_KERNEL

 7605 02:07:59.231314  <6>[   82.693988] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8317ecf0

 7606 02:07:59.240068  <6>[   82.702996] lkdtm: attempting bad copy_to_user from kernel text: ffffffff818e1300

 7607 02:07:59.245684  <3>[   82.711672] lkdtm: FAIL: survived bad copy_to_user()

 7608 02:07:59.344783  # [   82.687513] lkdtm: Performing direct entry USERCOPY_KERNEL

 7609 02:07:59.353957  # [   82.693988] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8317ecf0

 7610 02:07:59.362128  # [   82.702996] lkdtm: attempting bad copy_to_user from kernel text: ffffffff818e1300

 7611 02:07:59.367193  # [   82.711672] lkdtm: FAIL: survived bad copy_to_user()

 7612 02:07:59.372112  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 7613 02:07:59.381363  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 7614 02:07:59.395052  # selftests: lkdtm: STACKLEAK_ERASING.sh

 7615 02:07:59.618381  <6>[   83.083020] lkdtm: Performing direct entry STACKLEAK_ERASING

 7616 02:07:59.626384  <6>[   83.089665] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7617 02:07:59.634409  <3>[   83.097909] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7618 02:07:59.641522  <3>[   83.106000] lkdtm: FAIL: the thread stack is NOT properly erased

 7619 02:07:59.650948  <4>[   83.113036] CPU: 0 PID: 2868 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 7620 02:07:59.657794  <4>[   83.121959] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7621 02:07:59.660293  <4>[   83.128845] Call Trace:

 7622 02:07:59.664607  <4>[   83.131879]  dump_stack+0x77/0x9b

 7623 02:07:59.670802  <4>[   83.135866]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7624 02:07:59.674787  <4>[   83.141315]  direct_entry.cold+0x2c/0x38

 7625 02:07:59.679186  <4>[   83.145990]  full_proxy_write+0x56/0x80

 7626 02:07:59.683283  <4>[   83.150561]  vfs_write+0xea/0x3b0

 7627 02:07:59.686913  <4>[   83.154552]  ksys_write+0x68/0xf0

 7628 02:07:59.692887  <4>[   83.158547]  do_syscall_64+0x33/0x40

 7629 02:07:59.698098  <4>[   83.162830]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7630 02:07:59.702307  <4>[   83.168765] RIP: 0033:0x7f789390d473

 7631 02:07:59.722712  <4>[   83.173044] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7632 02:07:59.731628  <4>[   83.194294] RSP: 002b:00007ffc7085ee98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7633 02:07:59.740277  <4>[   83.203041] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f789390d473

 7634 02:07:59.748477  <4>[   83.211291] RDX: 0000000000000012 RSI: 00007f7893801000 RDI: 0000000000000001

 7635 02:07:59.756722  <4>[   83.219537] RBP: 00007f7893801000 R08: 00007f7893800010 R09: 0000000000000000

 7636 02:07:59.764553  <4>[   83.227779] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7637 02:07:59.772824  <4>[   83.236020] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7638 02:07:59.872608  # [   83.083020] lkdtm: Performing direct entry STACKLEAK_ERASING

 7639 02:07:59.880551  # [   83.089665] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7640 02:07:59.888765  # [   83.097909] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7641 02:07:59.895583  # [   83.106000] lkdtm: FAIL: the thread stack is NOT properly erased

 7642 02:07:59.903980  # [   83.113036] CPU: 0 PID: 2868 Comm: cat Tainted: G      D W         5.10.182-cip35 #1

 7643 02:07:59.911158  # [   83.121959] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7644 02:07:59.914004  # [   83.128845] Call Trace:

 7645 02:07:59.918070  # [   83.131879]  dump_stack+0x77/0x9b

 7646 02:07:59.923388  # [   83.135866]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7647 02:07:59.928146  # [   83.141315]  direct_entry.cold+0x2c/0x38

 7648 02:07:59.931835  # [   83.145990]  full_proxy_write+0x56/0x80

 7649 02:07:59.935765  # [   83.150561]  vfs_write+0xea/0x3b0

 7650 02:07:59.939794  # [   83.154552]  ksys_write+0x68/0xf0

 7651 02:07:59.943655  # [   83.158547]  do_syscall_64+0x33/0x40

 7652 02:07:59.950004  # [   83.162830]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7653 02:07:59.953917  # [   83.168765] RIP: 0033:0x7f789390d473

 7654 02:07:59.976405  # [   83.173044] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7655 02:07:59.983782  # [   83.194294] RSP: 002b:00007ffc7085ee98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7656 02:07:59.992244  # [   83.203041] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f789390d473

 7657 02:08:00.000748  # [   83.211291] RDX: 0000000000000012 RSI: 00007f7893801000 RDI: 0000000000000001

 7658 02:08:00.007841  # [   83.219537] RBP: 00007f7893801000 R08: 00007f7893800010 R09: 0000000000000000

 7659 02:08:00.015942  # [   83.227779] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7660 02:08:00.023728  # [   83.236020] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7661 02:08:00.032829  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 7662 02:08:00.038429  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 7663 02:08:00.042490  # selftests: lkdtm: CFI_FORWARD_PROTO.sh

 7664 02:08:00.142970  <6>[   83.607908] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7665 02:08:00.148648  <6>[   83.614565] lkdtm: Calling matched prototype ...

 7666 02:08:00.154793  <6>[   83.620033] lkdtm: Calling mismatched prototype ...

 7667 02:08:00.161731  <6>[   83.625797] lkdtm: Fail: survived mismatched prototype function call!

 7668 02:08:00.265364  # [   83.607908] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7669 02:08:00.271165  # [   83.614565] lkdtm: Calling matched prototype ...

 7670 02:08:00.277138  # [   83.620033] lkdtm: Calling mismatched prototype ...

 7671 02:08:00.283933  # [   83.625797] lkdtm: Fail: survived mismatched prototype function call!

 7672 02:08:00.288388  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 7673 02:08:00.302135  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 7674 02:08:01.102400  lkdtm_PANIC_sh skip

 7675 02:08:01.105371  lkdtm_BUG_sh pass

 7676 02:08:01.106852  lkdtm_WARNING_sh pass

 7677 02:08:01.109799  lkdtm_WARNING_MESSAGE_sh pass

 7678 02:08:01.112970  lkdtm_EXCEPTION_sh pass

 7679 02:08:01.113971  lkdtm_LOOP_sh skip

 7680 02:08:01.116712  lkdtm_EXHAUST_STACK_sh skip

 7681 02:08:01.119905  lkdtm_CORRUPT_STACK_sh skip

 7682 02:08:01.123071  lkdtm_CORRUPT_STACK_STRONG_sh skip

 7683 02:08:01.126417  lkdtm_CORRUPT_LIST_ADD_sh fail

 7684 02:08:01.129475  lkdtm_CORRUPT_LIST_DEL_sh fail

 7685 02:08:01.133973  lkdtm_STACK_GUARD_PAGE_LEADING_sh pass

 7686 02:08:01.137426  lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass

 7687 02:08:01.140411  lkdtm_UNSET_SMEP_sh pass

 7688 02:08:01.142081  lkdtm_DOUBLE_FAULT_sh skip

 7689 02:08:01.145083  lkdtm_CORRUPT_PAC_sh skip

 7690 02:08:01.149359  lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip

 7691 02:08:01.152968  lkdtm_OVERWRITE_ALLOCATION_sh skip

 7692 02:08:01.155092  lkdtm_WRITE_AFTER_FREE_sh skip

 7693 02:08:01.158652  lkdtm_READ_AFTER_FREE_sh fail

 7694 02:08:01.163044  lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip

 7695 02:08:01.165937  lkdtm_READ_BUDDY_AFTER_FREE_sh fail

 7696 02:08:01.168592  lkdtm_SLAB_FREE_DOUBLE_sh fail

 7697 02:08:01.173028  lkdtm_SLAB_FREE_CROSS_sh fail

 7698 02:08:01.174788  lkdtm_SLAB_FREE_PAGE_sh fail

 7699 02:08:01.177313  lkdtm_SOFTLOCKUP_sh skip

 7700 02:08:01.179941  lkdtm_HARDLOCKUP_sh skip

 7701 02:08:01.182386  lkdtm_SPINLOCKUP_sh skip

 7702 02:08:01.184465  lkdtm_HUNG_TASK_sh skip

 7703 02:08:01.186800  lkdtm_EXEC_DATA_sh pass

 7704 02:08:01.190169  lkdtm_EXEC_STACK_sh pass

 7705 02:08:01.192580  lkdtm_EXEC_KMALLOC_sh pass

 7706 02:08:01.194926  lkdtm_EXEC_VMALLOC_sh pass

 7707 02:08:01.197268  lkdtm_EXEC_RODATA_sh pass

 7708 02:08:01.200506  lkdtm_EXEC_USERSPACE_sh pass

 7709 02:08:01.203129  lkdtm_EXEC_NULL_sh pass

 7710 02:08:01.208883  lkdtm_ACCESS_USERSPACE_sh pass

 7711 02:08:01.208957  lkdtm_ACCESS_NULL_sh pass

 7712 02:08:01.211311  lkdtm_WRITE_RO_sh pass

 7713 02:08:01.214315  lkdtm_WRITE_RO_AFTER_INIT_sh pass

 7714 02:08:01.217370  lkdtm_WRITE_KERN_sh pass

 7715 02:08:01.220509  lkdtm_REFCOUNT_INC_OVERFLOW_sh pass

 7716 02:08:01.224056  lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass

 7717 02:08:01.228463  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass

 7718 02:08:01.232935  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass

 7719 02:08:01.236775  lkdtm_REFCOUNT_DEC_ZERO_sh pass

 7720 02:08:01.239776  lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass

 7721 02:08:01.244247  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass

 7722 02:08:01.249373  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass

 7723 02:08:01.251759  lkdtm_REFCOUNT_INC_ZERO_sh pass

 7724 02:08:01.254875  lkdtm_REFCOUNT_ADD_ZERO_sh pass

 7725 02:08:01.259312  lkdtm_REFCOUNT_INC_SATURATED_sh pass

 7726 02:08:01.262680  lkdtm_REFCOUNT_DEC_SATURATED_sh pass

 7727 02:08:01.265988  lkdtm_REFCOUNT_ADD_SATURATED_sh pass

 7728 02:08:01.270823  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass

 7729 02:08:01.275601  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass

 7730 02:08:01.279390  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass

 7731 02:08:01.285853  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass

 7732 02:08:01.286983  lkdtm_REFCOUNT_TIMING_sh skip

 7733 02:08:01.290074  lkdtm_ATOMIC_TIMING_sh skip

 7734 02:08:01.293879  lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail

 7735 02:08:01.297344  lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail

 7736 02:08:01.301747  lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail

 7737 02:08:01.305955  lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail

 7738 02:08:01.309619  lkdtm_USERCOPY_STACK_FRAME_TO_sh fail

 7739 02:08:01.313754  lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail

 7740 02:08:01.317916  lkdtm_USERCOPY_STACK_BEYOND_sh fail

 7741 02:08:01.319948  lkdtm_USERCOPY_KERNEL_sh fail

 7742 02:08:01.323453  lkdtm_STACKLEAK_ERASING_sh fail

 7743 02:08:01.327454  lkdtm_CFI_FORWARD_PROTO_sh fail

 7744 02:08:01.331878  + ../../utils/send-to-lava.sh ./output/result.txt

 7745 02:08:01.337846  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip
 7747 02:08:01.338092  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip>

 7748 02:08:01.344227  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass>

 7749 02:08:01.344903  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass
 7751 02:08:01.404053  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass>

 7752 02:08:01.404436  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass
 7754 02:08:01.499308  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass>

 7755 02:08:01.500142  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass
 7757 02:08:01.602463  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass>

 7758 02:08:01.603330  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass
 7760 02:08:01.705798  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip>

 7761 02:08:01.706641  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip
 7763 02:08:01.809768  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip>

 7764 02:08:01.810763  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip
 7766 02:08:01.905701  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip
 7768 02:08:01.906006  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip>

 7769 02:08:02.001780  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip>

 7770 02:08:02.002605  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip
 7772 02:08:02.098560  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail>

 7773 02:08:02.098902  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail
 7775 02:08:02.189942  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail>

 7776 02:08:02.190795  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail
 7778 02:08:02.292378  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass>

 7779 02:08:02.293362  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass
 7781 02:08:02.393353  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass
 7783 02:08:02.393988  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass>

 7784 02:08:02.499560  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass>

 7785 02:08:02.500421  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass
 7787 02:08:02.604482  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip>

 7788 02:08:02.605323  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip
 7790 02:08:02.709853  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip>

 7791 02:08:02.710692  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip
 7793 02:08:02.812899  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip>

 7794 02:08:02.813732  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip
 7796 02:08:02.905464  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip>

 7797 02:08:02.906357  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip
 7799 02:08:03.003326  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip>

 7800 02:08:03.004143  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip
 7802 02:08:03.104755  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail>

 7803 02:08:03.105610  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail
 7805 02:08:03.202874  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip>

 7806 02:08:03.203383  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip
 7808 02:08:03.297331  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail
 7810 02:08:03.298583  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail>

 7811 02:08:03.394509  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail
 7813 02:08:03.394980  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail>

 7814 02:08:03.489527  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail
 7816 02:08:03.490818  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail>

 7817 02:08:03.583997  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail>

 7818 02:08:03.584812  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail
 7820 02:08:03.684481  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip>

 7821 02:08:03.685295  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip
 7823 02:08:03.777552  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip>

 7824 02:08:03.778365  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip
 7826 02:08:03.879012  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip>

 7827 02:08:03.879847  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip
 7829 02:08:03.978392  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip>

 7830 02:08:03.979286  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip
 7832 02:08:04.082814  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass>

 7833 02:08:04.083625  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass
 7835 02:08:04.170390  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass>

 7836 02:08:04.171220  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass
 7838 02:08:04.273072  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass>

 7839 02:08:04.273943  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass
 7841 02:08:04.376994  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass>

 7842 02:08:04.377842  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass
 7844 02:08:04.479216  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass
 7846 02:08:04.480502  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass>

 7847 02:08:04.577003  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass>

 7848 02:08:04.577855  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass
 7850 02:08:04.678747  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass>

 7851 02:08:04.679562  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass
 7853 02:08:04.780510  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=pass
 7855 02:08:04.781828  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=pass>

 7856 02:08:04.882045  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass>

 7857 02:08:04.882971  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass
 7859 02:08:04.978760  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass>

 7860 02:08:04.979591  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass
 7862 02:08:05.080550  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass
 7864 02:08:05.081913  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass>

 7865 02:08:05.180873  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass>

 7866 02:08:05.181703  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass
 7868 02:08:05.282132  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass>

 7869 02:08:05.282956  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass
 7871 02:08:05.380428  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass>

 7872 02:08:05.381255  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass
 7874 02:08:05.477147  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7876 02:08:05.477592  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7877 02:08:05.578899  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7878 02:08:05.579731  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7880 02:08:05.669831  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass
 7882 02:08:05.671152  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass>

 7883 02:08:05.772439  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass>

 7884 02:08:05.773260  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass
 7886 02:08:05.874798  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass>

 7887 02:08:05.875610  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass
 7889 02:08:05.974721  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass>

 7890 02:08:05.975537  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass
 7892 02:08:06.077152  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass>

 7893 02:08:06.078012  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass
 7895 02:08:06.177191  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass>

 7896 02:08:06.178066  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass
 7898 02:08:06.281374  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass>

 7899 02:08:06.282232  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass
 7901 02:08:06.384348  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass>

 7902 02:08:06.385201  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass
 7904 02:08:06.488345  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass>

 7905 02:08:06.489190  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass
 7907 02:08:06.595340  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass>

 7908 02:08:06.596184  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass
 7910 02:08:06.700093  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass
 7912 02:08:06.701475  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass>

 7913 02:08:06.800194  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass>

 7914 02:08:06.801062  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass
 7916 02:08:06.898885  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass>

 7917 02:08:06.899716  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass
 7919 02:08:06.998708  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip
 7921 02:08:07.000027  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip>

 7922 02:08:07.098195  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip
 7924 02:08:07.099512  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip>

 7925 02:08:07.203599  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail>

 7926 02:08:07.204575  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail
 7928 02:08:07.310417  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail>

 7929 02:08:07.311230  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail
 7931 02:08:07.414081  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail>

 7932 02:08:07.414572  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail
 7934 02:08:07.515498  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail>

 7935 02:08:07.516316  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail
 7937 02:08:07.623830  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail>

 7938 02:08:07.624648  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail
 7940 02:08:07.731461  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail>

 7941 02:08:07.732274  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail
 7943 02:08:07.838871  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail
 7945 02:08:07.840164  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail>

 7946 02:08:07.943076  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail
 7948 02:08:07.944507  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail>

 7949 02:08:08.052417  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail>

 7950 02:08:08.053325  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail
 7952 02:08:08.152615  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail>

 7953 02:08:08.153597  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail
 7955 02:08:08.154886  + set +x

 7956 02:08:08.159590  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 10716722_1.5.2.3.5>

 7957 02:08:08.160371  Received signal: <ENDRUN> 1_kselftest-lkdtm 10716722_1.5.2.3.5
 7958 02:08:08.160814  Ending use of test pattern.
 7959 02:08:08.161221  Ending test lava.1_kselftest-lkdtm (10716722_1.5.2.3.5), duration 64.57
 7961 02:08:08.162612  <LAVA_TEST_RUNNER EXIT>

 7962 02:08:08.163431  ok: lava_test_shell seems to have completed
 7963 02:08:08.166472  lkdtm_ACCESS_NULL_sh: pass
lkdtm_ACCESS_USERSPACE_sh: pass
lkdtm_ATOMIC_TIMING_sh: skip
lkdtm_BUG_sh: pass
lkdtm_CFI_FORWARD_PROTO_sh: fail
lkdtm_CORRUPT_LIST_ADD_sh: fail
lkdtm_CORRUPT_LIST_DEL_sh: fail
lkdtm_CORRUPT_PAC_sh: skip
lkdtm_CORRUPT_STACK_STRONG_sh: skip
lkdtm_CORRUPT_STACK_sh: skip
lkdtm_DOUBLE_FAULT_sh: skip
lkdtm_EXCEPTION_sh: pass
lkdtm_EXEC_DATA_sh: pass
lkdtm_EXEC_KMALLOC_sh: pass
lkdtm_EXEC_NULL_sh: pass
lkdtm_EXEC_RODATA_sh: pass
lkdtm_EXEC_STACK_sh: pass
lkdtm_EXEC_USERSPACE_sh: pass
lkdtm_EXEC_VMALLOC_sh: pass
lkdtm_EXHAUST_STACK_sh: skip
lkdtm_HARDLOCKUP_sh: skip
lkdtm_HUNG_TASK_sh: skip
lkdtm_LOOP_sh: skip
lkdtm_OVERWRITE_ALLOCATION_sh: skip
lkdtm_PANIC_sh: skip
lkdtm_READ_AFTER_FREE_sh: fail
lkdtm_READ_BUDDY_AFTER_FREE_sh: fail
lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh: pass
lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_OVERFLOW_sh: pass
lkdtm_REFCOUNT_ADD_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_ZERO_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_ZERO_sh: pass
lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh: pass
lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_OVERFLOW_sh: pass
lkdtm_REFCOUNT_INC_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_ZERO_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_TIMING_sh: skip
lkdtm_SLAB_FREE_CROSS_sh: fail
lkdtm_SLAB_FREE_DOUBLE_sh: fail
lkdtm_SLAB_FREE_PAGE_sh: fail
lkdtm_SOFTLOCKUP_sh: skip
lkdtm_SPINLOCKUP_sh: skip
lkdtm_STACKLEAK_ERASING_sh: fail
lkdtm_STACK_GUARD_PAGE_LEADING_sh: pass
lkdtm_STACK_GUARD_PAGE_TRAILING_sh: pass
lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh: skip
lkdtm_UNSET_SMEP_sh: pass
lkdtm_USERCOPY_HEAP_SIZE_FROM_sh: fail
lkdtm_USERCOPY_HEAP_SIZE_TO_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh: fail
lkdtm_USERCOPY_KERNEL_sh: fail
lkdtm_USERCOPY_STACK_BEYOND_sh: fail
lkdtm_USERCOPY_STACK_FRAME_FROM_sh: fail
lkdtm_USERCOPY_STACK_FRAME_TO_sh: fail
lkdtm_WARNING_MESSAGE_sh: pass
lkdtm_WARNING_sh: pass
lkdtm_WRITE_AFTER_FREE_sh: skip
lkdtm_WRITE_BUDDY_AFTER_FREE_sh: skip
lkdtm_WRITE_KERN_sh: pass
lkdtm_WRITE_RO_AFTER_INIT_sh: pass
lkdtm_WRITE_RO_sh: pass

 7964 02:08:08.167081  end: 3.1 lava-test-shell (duration 00:01:06) [common]
 7965 02:08:08.167547  end: 3 lava-test-retry (duration 00:01:06) [common]
 7966 02:08:08.168041  start: 4 finalize (timeout 00:07:30) [common]
 7967 02:08:08.168540  start: 4.1 power-off (timeout 00:00:30) [common]
 7968 02:08:08.169348  Calling: 'pduclient' '--daemon=localhost' '--hostname=asus-C523NA-A20057-coral-cbg-1' '--port=1' '--command=off'
 7969 02:08:08.285231  >> Command sent successfully.

 7970 02:08:08.296107  Returned 0 in 0 seconds
 7971 02:08:08.397460  end: 4.1 power-off (duration 00:00:00) [common]
 7973 02:08:08.399128  start: 4.2 read-feedback (timeout 00:07:30) [common]
 7974 02:08:08.400433  Listened to connection for namespace 'common' for up to 1s
 7975 02:08:08.401381  Listened to connection for namespace 'common' for up to 1s
 7976 02:08:08.402292  Listened to connection for namespace 'common' for up to 1s
 7977 02:08:08.403182  Listened to connection for namespace 'common' for up to 1s
 7978 02:08:08.404006  Listened to connection for namespace 'common' for up to 1s
 7979 02:08:08.405222  Listened to connection for namespace 'common' for up to 1s
 7980 02:08:08.406245  Listened to connection for namespace 'common' for up to 1s
 7981 02:08:08.407043  Listened to connection for namespace 'common' for up to 1s
 7982 02:08:08.407812  Listened to connection for namespace 'common' for up to 1s
 7983 02:08:08.408774  Listened to connection for namespace 'common' for up to 1s
 7984 02:08:08.409645  Listened to connection for namespace 'common' for up to 1s
 7985 02:08:08.410439  Listened to connection for namespace 'common' for up to 1s
 7986 02:08:08.412642  Listened to connection for namespace 'common' for up to 1s
 7987 02:08:08.413584  Listened to connection for namespace 'common' for up to 1s
 7988 02:08:08.414489  Listened to connection for namespace 'common' for up to 1s
 7989 02:08:08.417708  Listened to connection for namespace 'common' for up to 1s
 7990 02:08:08.418780  Listened to connection for namespace 'common' for up to 1s
 7991 02:08:08.419824  Listened to connection for namespace 'common' for up to 1s
 7992 02:08:08.420682  Listened to connection for namespace 'common' for up to 1s
 7993 02:08:08.422671  Listened to connection for namespace 'common' for up to 1s
 7994 02:08:08.423545  Listened to connection for namespace 'common' for up to 1s
 7995 02:08:08.424354  Listened to connection for namespace 'common' for up to 1s
 7996 02:08:08.425315  Listened to connection for namespace 'common' for up to 1s
 7997 02:08:08.427028  Listened to connection for namespace 'common' for up to 1s
 7998 02:08:08.428110  Listened to connection for namespace 'common' for up to 1s
 7999 02:08:08.429072  Listened to connection for namespace 'common' for up to 1s
 8000 02:08:08.430350  Listened to connection for namespace 'common' for up to 1s
 8001 02:08:08.431506  Listened to connection for namespace 'common' for up to 1s
 8002 02:08:08.432567  Listened to connection for namespace 'common' for up to 1s
 8003 02:08:08.433454  Listened to connection for namespace 'common' for up to 1s
 8004 02:08:08.435462  Listened to connection for namespace 'common' for up to 1s
 8005 02:08:08.436541  Listened to connection for namespace 'common' for up to 1s
 8006 02:08:08.437471  Listened to connection for namespace 'common' for up to 1s
 8007 02:08:08.438397  Listened to connection for namespace 'common' for up to 1s
 8008 02:08:08.439293  Listened to connection for namespace 'common' for up to 1s
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 8595 02:08:09.129515  Listened to connection for namespace 'common' for up to 1s
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 8597 02:08:09.132863  Listened to connection for namespace 'common' for up to 1s
 8598 02:08:09.133748  Listened to connection for namespace 'common' for up to 1s
 8599 02:08:09.135212  Listened to connection for namespace 'common' for up to 1s
 8600 02:08:09.138579  Listened to connection for namespace 'common' for up to 1s
 8601 02:08:09.140361  Listened to connection for namespace 'common' for up to 1s
 8602 02:08:09.141193  Listened to connection for namespace 'common' for up to 1s
 8603 02:08:09.141909  Listened to connection for namespace 'common' for up to 1s
 8604 02:08:09.145070  Listened to connection for namespace 'common' for up to 1s
 8605 02:08:09.146555  Listened to connection for namespace 'common' for up to 1s
 8606 02:08:09.148994  Listened to connection for namespace 'common' for up to 1s
 8607 02:08:09.149942  Listened to connection for namespace 'common' for up to 1s
 8608 02:08:09.150616  Listened to connection for namespace 'common' for up to 1s
 8609 02:08:09.151620  Listened to connection for namespace 'common' for up to 1s
 8610 02:08:09.152322  Listened to connection for namespace 'common' for up to 1s
 8611 02:08:09.153658  Listened to connection for namespace 'common' for up to 1s
 8612 02:08:09.155313  Listened to connection for namespace 'common' for up to 1s
 8613 02:08:09.156014  Listened to connection for namespace 'common' for up to 1s
 8614 02:08:09.157055  Listened to connection for namespace 'common' for up to 1s
 8615 02:08:09.157973  Listened to connection for namespace 'common' for up to 1s
 8616 02:08:09.158678  Listened to connection for namespace 'common' for up to 1s
 8617 02:08:09.159337  Listened to connection for namespace 'common' for up to 1s
 8618 02:08:09.160362  Listened to connection for namespace 'common' for up to 1s
 8619 02:08:09.161935  Listened to connection for namespace 'common' for up to 1s
 8620 02:08:09.162638  Listened to connection for namespace 'common' for up to 1s
 8621 02:08:09.163287  Listened to connection for namespace 'common' for up to 1s
 8622 02:08:09.163921  Listened to connection for namespace 'common' for up to 1s
 8623 02:08:09.164562  Listened to connection for namespace 'common' for up to 1s
 8624 02:08:09.166644  Listened to connection for namespace 'common' for up to 1s
 8625 02:08:09.167344  Listened to connection for namespace 'common' for up to 1s
 8626 02:08:09.168748  Listened to connection for namespace 'common' for up to 1s
 8627 02:08:09.169477  Listened to connection for namespace 'common' for up to 1s
 8628 02:08:09.171342  Listened to connection for namespace 'common' for up to 1s
 8629 02:08:09.172165  Listened to connection for namespace 'common' for up to 1s
 8630 02:08:09.172847  Listened to connection for namespace 'common' for up to 1s
 8631 02:08:09.173557  Listened to connection for namespace 'common' for up to 1s
 8632 02:08:09.175949  Listened to connection for namespace 'common' for up to 1s
 8633 02:08:09.177026  Listened to connection for namespace 'common' for up to 1s
 8634 02:08:09.177807  Listened to connection for namespace 'common' for up to 1s
 8635 02:08:09.180397  Listened to connection for namespace 'common' for up to 1s
 8636 02:08:09.184716  Listened to connection for namespace 'common' for up to 1s
 8637 02:08:09.185559  Listened to connection for namespace 'common' for up to 1s
 8638 02:08:09.186369  Listened to connection for namespace 'common' for up to 1s
 8639 02:08:09.187428  Listened to connection for namespace 'common' for up to 1s
 8640 02:08:09.188970  Listened to connection for namespace 'common' for up to 1s
 8641 02:08:09.189776  Listened to connection for namespace 'common' for up to 1s
 8642 02:08:09.190729  Listened to connection for namespace 'common' for up to 1s
 8643 02:08:09.192761  Listened to connection for namespace 'common' for up to 1s
 8644 02:08:09.193470  Listened to connection for namespace 'common' for up to 1s
 8645 02:08:09.194307  Listened to connection for namespace 'common' for up to 1s
 8646 02:08:09.194953  Listened to connection for namespace 'common' for up to 1s
 8647 02:08:09.196410  Listened to connection for namespace 'common' for up to 1s
 8648 02:08:09.197116  Listened to connection for namespace 'common' for up to 1s
 8649 02:08:09.198191  Listened to connection for namespace 'common' for up to 1s
 8650 02:08:09.198903  Listened to connection for namespace 'common' for up to 1s
 8651 02:08:09.199600  Listened to connection for namespace 'common' for up to 1s
 8652 02:08:09.200407  Listened to connection for namespace 'common' for up to 1s
 8653 02:08:09.201771  Listened to connection for namespace 'common' for up to 1s
 8654 02:08:09.202489  Listened to connection for namespace 'common' for up to 1s
 8655 02:08:09.203591  Listened to connection for namespace 'common' for up to 1s
 8656 02:08:09.205532  Listened to connection for namespace 'common' for up to 1s
 8657 02:08:09.206398  Listened to connection for namespace 'common' for up to 1s
 8658 02:08:09.207430  Listened to connection for namespace 'common' for up to 1s
 8659 02:08:09.208356  Listened to connection for namespace 'common' for up to 1s
 8660 02:08:09.209073  Listened to connection for namespace 'common' for up to 1s
 8661 02:08:09.209925  Listened to connection for namespace 'common' for up to 1s
 8662 02:08:09.211141  Listened to connection for namespace 'common' for up to 1s
 8663 02:08:09.211855  Listened to connection for namespace 'common' for up to 1s
 8664 02:08:09.212529  Listened to connection for namespace 'common' for up to 1s
 8665 02:08:09.213177  Listened to connection for namespace 'common' for up to 1s
 8666 02:08:09.213851  Listened to connection for namespace 'common' for up to 1s
 8667 02:08:09.215196  Listened to connection for namespace 'common' for up to 1s
 8668 02:08:09.215959  Listened to connection for namespace 'common' for up to 1s
 8669 02:08:09.217247  Listened to connection for namespace 'common' for up to 1s
 8670 02:08:09.223180  Listened to connection for namespace 'common' for up to 1s
 8671 02:08:09.224538  Listened to connection for namespace 'common' for up to 1s
 8672 02:08:09.225842  Listened to connection for namespace 'common' for up to 1s
 8673 02:08:09.226864  Listened to connection for namespace 'common' for up to 1s
 8674 02:08:09.228039  Listened to connection for namespace 'common' for up to 1s
 8675 02:08:09.228989  Listened to connection for namespace 'common' for up to 1s
 8676 02:08:09.229983  Listened to connection for namespace 'common' for up to 1s
 8677 02:08:09.231134  Listened to connection for namespace 'common' for up to 1s
 8678 02:08:09.232524  Listened to connection for namespace 'common' for up to 1s
 8679 02:08:09.233842  Listened to connection for namespace 'common' for up to 1s
 8680 02:08:09.234805  Listened to connection for namespace 'common' for up to 1s
 8681 02:08:09.235499  Listened to connection for namespace 'common' for up to 1s
 8682 02:08:09.236348  Listened to connection for namespace 'common' for up to 1s
 8683 02:08:09.237058  Listened to connection for namespace 'common' for up to 1s
 8684 02:08:09.237861  Listened to connection for namespace 'common' for up to 1s
 8685 02:08:09.239315  Listened to connection for namespace 'common' for up to 1s
 8686 02:08:09.240709  Listened to connection for namespace 'common' for up to 1s
 8687 02:08:09.242867  Listened to connection for namespace 'common' for up to 1s
 8688 02:08:09.245681  Listened to connection for namespace 'common' for up to 1s
 8689 02:08:09.246615  Listened to connection for namespace 'common' for up to 1s
 8690 02:08:09.247223  Listened to connection for namespace 'common' for up to 1s
 8691 02:08:09.247784  Listened to connection for namespace 'common' for up to 1s
 8692 02:08:09.248874  Listened to connection for namespace 'common' for up to 1s
 8693 02:08:09.250075  Listened to connection for namespace 'common' for up to 1s
 8694 02:08:09.250679  Listened to connection for namespace 'common' for up to 1s
 8695 02:08:09.251784  Listened to connection for namespace 'common' for up to 1s
 8696 02:08:09.252394  Listened to connection for namespace 'common' for up to 1s
 8697 02:08:09.252971  Listened to connection for namespace 'common' for up to 1s
 8698 02:08:09.253794  Listened to connection for namespace 'common' for up to 1s
 8699 02:08:09.254365  Listened to connection for namespace 'common' for up to 1s
 8700 02:08:09.254927  Listened to connection for namespace 'common' for up to 1s
 8701 02:08:09.255472  Listened to connection for namespace 'common' for up to 1s
 8702 02:08:09.256417  Listened to connection for namespace 'common' for up to 1s
 8703 02:08:09.257028  Listened to connection for namespace 'common' for up to 1s
 8704 02:08:09.258117  Listened to connection for namespace 'common' for up to 1s
 8705 02:08:09.258729  Listened to connection for namespace 'common' for up to 1s
 8706 02:08:09.259797  Listened to connection for namespace 'common' for up to 1s
 8707 02:08:09.260798  Listened to connection for namespace 'common' for up to 1s
 8708 02:08:09.261457  Listened to connection for namespace 'common' for up to 1s
 8709 02:08:09.266038  Listened to connection for namespace 'common' for up to 1s
 8710 02:08:09.266670  Listened to connection for namespace 'common' for up to 1s
 8711 02:08:09.267252  Listened to connection for namespace 'common' for up to 1s
 8712 02:08:09.268270  Listened to connection for namespace 'common' for up to 1s
 8713 02:08:09.269784  Listened to connection for namespace 'common' for up to 1s
 8714 02:08:09.270441  Listened to connection for namespace 'common' for up to 1s
 8715 02:08:09.272647  Listened to connection for namespace 'common' for up to 1s
 8716 02:08:09.273334  Listened to connection for namespace 'common' for up to 1s
 8717 02:08:09.274544  Listened to connection for namespace 'common' for up to 1s
 8718 02:08:09.276641  Listened to connection for namespace 'common' for up to 1s
 8719 02:08:09.277768  Listened to connection for namespace 'common' for up to 1s
 8720 02:08:09.278387  Listened to connection for namespace 'common' for up to 1s
 8721 02:08:09.279293  Listened to connection for namespace 'common' for up to 1s
 8722 02:08:09.279966  Listened to connection for namespace 'common' for up to 1s
 8723 02:08:09.285905  Listened to connection for namespace 'common' for up to 1s
 8724 02:08:09.286788  Listened to connection for namespace 'common' for up to 1s
 8725 02:08:09.288255  Listened to connection for namespace 'common' for up to 1s
 8726 02:08:09.289448  Listened to connection for namespace 'common' for up to 1s
 8727 02:08:09.290204  Listened to connection for namespace 'common' for up to 1s
 8728 02:08:09.292679  Listened to connection for namespace 'common' for up to 1s
 8729 02:08:09.293654  Listened to connection for namespace 'common' for up to 1s
 8730 02:08:09.294781  Listened to connection for namespace 'common' for up to 1s
 8731 02:08:09.298397  Listened to connection for namespace 'common' for up to 1s
 8732 02:08:09.299872  Listened to connection for namespace 'common' for up to 1s
 8733 02:08:09.300678  Listened to connection for namespace 'common' for up to 1s
 8734 02:08:09.301435  Listened to connection for namespace 'common' for up to 1s
 8735 02:08:09.302692  Listened to connection for namespace 'common' for up to 1s
 8736 02:08:09.304161  Listened to connection for namespace 'common' for up to 1s
 8737 02:08:09.305963  Listened to connection for namespace 'common' for up to 1s
 8738 02:08:09.307985  Listened to connection for namespace 'common' for up to 1s
 8739 02:08:09.311687  Listened to connection for namespace 'common' for up to 1s
 8740 02:08:09.312875  Listened to connection for namespace 'common' for up to 1s
 8741 02:08:09.313580  Listened to connection for namespace 'common' for up to 1s
 8742 02:08:09.314385  Listened to connection for namespace 'common' for up to 1s
 8743 02:08:09.315225  Listened to connection for namespace 'common' for up to 1s
 8744 02:08:09.315904  Listened to connection for namespace 'common' for up to 1s
 8745 02:08:09.317841  Listened to connection for namespace 'common' for up to 1s
 8746 02:08:09.318577  Listened to connection for namespace 'common' for up to 1s
 8747 02:08:09.319552  Listened to connection for namespace 'common' for up to 1s
 8748 02:08:09.321008  Listened to connection for namespace 'common' for up to 1s
 8749 02:08:09.322048  Listened to connection for namespace 'common' for up to 1s
 8750 02:08:09.322816  Listened to connection for namespace 'common' for up to 1s
 8751 02:08:09.323742  Listened to connection for namespace 'common' for up to 1s
 8752 02:08:09.324624  Listened to connection for namespace 'common' for up to 1s
 8753 02:08:09.325355  Listened to connection for namespace 'common' for up to 1s
 8754 02:08:09.326530  Listened to connection for namespace 'common' for up to 1s
 8755 02:08:09.327430  Listened to connection for namespace 'common' for up to 1s
 8756 02:08:09.328317  Listened to connection for namespace 'common' for up to 1s
 8757 02:08:09.330022  Listened to connection for namespace 'common' for up to 1s
 8758 02:08:09.330906  Listened to connection for namespace 'common' for up to 1s
 8759 02:08:09.331587  Listened to connection for namespace 'common' for up to 1s
 8760 02:08:09.332263  Listened to connection for namespace 'common' for up to 1s
 8761 02:08:09.334432  Listened to connection for namespace 'common' for up to 1s
 8762 02:08:09.335371  Listened to connection for namespace 'common' for up to 1s
 8763 02:08:09.336300  Listened to connection for namespace 'common' for up to 1s
 8764 02:08:09.338315  Listened to connection for namespace 'common' for up to 1s
 8765 02:08:09.339275  Listened to connection for namespace 'common' for up to 1s
 8766 02:08:09.340012  Listened to connection for namespace 'common' for up to 1s
 8767 02:08:09.343967  Listened to connection for namespace 'common' for up to 1s
 8768 02:08:09.345047  Listened to connection for namespace 'common' for up to 1s
 8769 02:08:09.345860  Listened to connection for namespace 'common' for up to 1s
 8770 02:08:09.347280  Listened to connection for namespace 'common' for up to 1s
 8771 02:08:09.348323  Listened to connection for namespace 'common' for up to 1s
 8772 02:08:09.349964  Listened to connection for namespace 'common' for up to 1s
 8773 02:08:09.350756  Listened to connection for namespace 'common' for up to 1s
 8774 02:08:09.351461  Listened to connection for namespace 'common' for up to 1s
 8775 02:08:09.352333  Listened to connection for namespace 'common' for up to 1s
 8776 02:08:09.355835  Listened to connection for namespace 'common' for up to 1s
 8777 02:08:09.357033  Listened to connection for namespace 'common' for up to 1s
 8778 02:08:09.357932  Listened to connection for namespace 'common' for up to 1s
 8779 02:08:09.358762  Listened to connection for namespace 'common' for up to 1s
 8780 02:08:09.360071  Listened to connection for namespace 'common' for up to 1s
 8781 02:08:09.361091  Listened to connection for namespace 'common' for up to 1s
 8782 02:08:09.362015  Listened to connection for namespace 'common' for up to 1s
 8783 02:08:09.362856  Listened to connection for namespace 'common' for up to 1s
 8784 02:08:09.363929  Listened to connection for namespace 'common' for up to 1s
 8785 02:08:09.364734  Listened to connection for namespace 'common' for up to 1s
 8786 02:08:09.366542  Listened to connection for namespace 'common' for up to 1s
 8787 02:08:09.367577  Listened to connection for namespace 'common' for up to 1s
 8788 02:08:09.368723  Listened to connection for namespace 'common' for up to 1s
 8789 02:08:09.369616  Listened to connection for namespace 'common' for up to 1s
 8790 02:08:09.370538  Listened to connection for namespace 'common' for up to 1s
 8791 02:08:09.371560  Listened to connection for namespace 'common' for up to 1s
 8792 02:08:09.372452  Listened to connection for namespace 'common' for up to 1s
 8793 02:08:09.373281  Listened to connection for namespace 'common' for up to 1s
 8794 02:08:09.374123  Listened to connection for namespace 'common' for up to 1s
 8795 02:08:09.377095  Listened to connection for namespace 'common' for up to 1s
 8796 02:08:09.378049  Listened to connection for namespace 'common' for up to 1s
 8797 02:08:09.378901  Listened to connection for namespace 'common' for up to 1s
 8798 02:08:09.380768  Listened to connection for namespace 'common' for up to 1s
 8799 02:08:09.381823  Listened to connection for namespace 'common' for up to 1s
 8800 02:08:09.383188  Listened to connection for namespace 'common' for up to 1s
 8801 02:08:09.384464  Listened to connection for namespace 'common' for up to 1s
 8802 02:08:09.385386  Listened to connection for namespace 'common' for up to 1s
 8803 02:08:09.386741  Listened to connection for namespace 'common' for up to 1s
 8804 02:08:09.387689  Listened to connection for namespace 'common' for up to 1s
 8805 02:08:09.388572  Listened to connection for namespace 'common' for up to 1s
 8806 02:08:09.390093  Listened to connection for namespace 'common' for up to 1s
 8807 02:08:09.391175  Listened to connection for namespace 'common' for up to 1s
 8808 02:08:09.392089  Listened to connection for namespace 'common' for up to 1s
 8809 02:08:09.393986  Listened to connection for namespace 'common' for up to 1s
 8810 02:08:09.396692  Listened to connection for namespace 'common' for up to 1s
 8811 02:08:09.397776  Listened to connection for namespace 'common' for up to 1s
 8812 02:08:09.398670  Listened to connection for namespace 'common' for up to 1s
 8813 02:08:09.399994  Finalising connection for namespace 'common'
 8814 02:08:09.400507  Disconnecting from shell: Finalise
 8815 02:08:09.400860  / # 
 8816 02:08:09.502622  end: 4.2 read-feedback (duration 00:00:01) [common]
 8817 02:08:09.503317  end: 4 finalize (duration 00:00:01) [common]
 8818 02:08:09.503939  Cleaning after the job
 8819 02:08:09.504451  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10716722/tftp-deploy-tkgwk6jk/ramdisk
 8820 02:08:09.510656  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10716722/tftp-deploy-tkgwk6jk/kernel
 8821 02:08:09.519525  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10716722/tftp-deploy-tkgwk6jk/nfsrootfs
 8822 02:08:09.614426  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10716722/tftp-deploy-tkgwk6jk/modules
 8823 02:08:09.617036  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/10716722
 8824 02:08:10.094435  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/10716722
 8825 02:08:10.094622  Job finished correctly