Boot log: asus-C523NA-A20057-coral

    1 08:35:06.204136  lava-dispatcher, installed at version: 2024.01
    2 08:35:06.204341  start: 0 validate
    3 08:35:06.204469  Start time: 2024-02-29 08:35:06.204461+00:00 (UTC)
    4 08:35:06.204588  Using caching service: 'http://localhost/cache/?uri=%s'
    5 08:35:06.204711  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20240129.0%2Famd64%2Finitrd.cpio.gz exists
    6 08:35:06.474494  Using caching service: 'http://localhost/cache/?uri=%s'
    7 08:35:06.474672  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.209-cip44-56-g55117716ac0fd%2Fx86_64%2Fx86_64_defconfig%2Bx86-board%2Bkselftest%2Fgcc-10%2Fkernel%2FbzImage exists
    8 08:35:06.734085  Using caching service: 'http://localhost/cache/?uri=%s'
    9 08:35:06.734707  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20240129.0%2Famd64%2Ffull.rootfs.tar.xz exists
   10 08:35:17.909200  Using caching service: 'http://localhost/cache/?uri=%s'
   11 08:35:17.909932  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.209-cip44-56-g55117716ac0fd%2Fx86_64%2Fx86_64_defconfig%2Bx86-board%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   12 08:35:18.185923  validate duration: 11.98
   14 08:35:18.187130  start: 1 tftp-deploy (timeout 00:10:00) [common]
   15 08:35:18.187657  start: 1.1 download-retry (timeout 00:10:00) [common]
   16 08:35:18.188090  start: 1.1.1 http-download (timeout 00:10:00) [common]
   17 08:35:18.188661  Not decompressing ramdisk as can be used compressed.
   18 08:35:18.189081  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20240129.0/amd64/initrd.cpio.gz
   19 08:35:18.189408  saving as /var/lib/lava/dispatcher/tmp/12894230/tftp-deploy-3akf5sy4/ramdisk/initrd.cpio.gz
   20 08:35:18.189785  total size: 5431452 (5 MB)
   21 08:35:20.116299  progress   0 % (0 MB)
   22 08:35:20.121019  progress   5 % (0 MB)
   23 08:35:20.122473  progress  10 % (0 MB)
   24 08:35:20.123866  progress  15 % (0 MB)
   25 08:35:20.125414  progress  20 % (1 MB)
   26 08:35:20.127009  progress  25 % (1 MB)
   27 08:35:20.128395  progress  30 % (1 MB)
   28 08:35:20.130055  progress  35 % (1 MB)
   29 08:35:20.131442  progress  40 % (2 MB)
   30 08:35:20.132834  progress  45 % (2 MB)
   31 08:35:20.134333  progress  50 % (2 MB)
   32 08:35:20.135848  progress  55 % (2 MB)
   33 08:35:20.137207  progress  60 % (3 MB)
   34 08:35:20.138690  progress  65 % (3 MB)
   35 08:35:20.140260  progress  70 % (3 MB)
   36 08:35:20.141703  progress  75 % (3 MB)
   37 08:35:20.143189  progress  80 % (4 MB)
   38 08:35:20.144553  progress  85 % (4 MB)
   39 08:35:20.146139  progress  90 % (4 MB)
   40 08:35:20.147511  progress  95 % (4 MB)
   41 08:35:20.148934  progress 100 % (5 MB)
   42 08:35:20.149136  5 MB downloaded in 1.96 s (2.64 MB/s)
   43 08:35:20.149282  end: 1.1.1 http-download (duration 00:00:02) [common]
   45 08:35:20.149568  end: 1.1 download-retry (duration 00:00:02) [common]
   46 08:35:20.149656  start: 1.2 download-retry (timeout 00:09:58) [common]
   47 08:35:20.149738  start: 1.2.1 http-download (timeout 00:09:58) [common]
   48 08:35:20.149884  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-56-g55117716ac0fd/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kernel/bzImage
   49 08:35:20.149970  saving as /var/lib/lava/dispatcher/tmp/12894230/tftp-deploy-3akf5sy4/kernel/bzImage
   50 08:35:20.150030  total size: 18050656 (17 MB)
   51 08:35:20.150089  No compression specified
   52 08:35:20.151193  progress   0 % (0 MB)
   53 08:35:20.156112  progress   5 % (0 MB)
   54 08:35:20.160947  progress  10 % (1 MB)
   55 08:35:20.165479  progress  15 % (2 MB)
   56 08:35:20.170333  progress  20 % (3 MB)
   57 08:35:20.175062  progress  25 % (4 MB)
   58 08:35:20.179790  progress  30 % (5 MB)
   59 08:35:20.184472  progress  35 % (6 MB)
   60 08:35:20.189265  progress  40 % (6 MB)
   61 08:35:20.193925  progress  45 % (7 MB)
   62 08:35:20.199082  progress  50 % (8 MB)
   63 08:35:20.204087  progress  55 % (9 MB)
   64 08:35:20.209313  progress  60 % (10 MB)
   65 08:35:20.214254  progress  65 % (11 MB)
   66 08:35:20.219262  progress  70 % (12 MB)
   67 08:35:20.224435  progress  75 % (12 MB)
   68 08:35:20.229568  progress  80 % (13 MB)
   69 08:35:20.234659  progress  85 % (14 MB)
   70 08:35:20.239275  progress  90 % (15 MB)
   71 08:35:20.244178  progress  95 % (16 MB)
   72 08:35:20.248862  progress 100 % (17 MB)
   73 08:35:20.249096  17 MB downloaded in 0.10 s (173.77 MB/s)
   74 08:35:20.249245  end: 1.2.1 http-download (duration 00:00:00) [common]
   76 08:35:20.249472  end: 1.2 download-retry (duration 00:00:00) [common]
   77 08:35:20.249604  start: 1.3 download-retry (timeout 00:09:58) [common]
   78 08:35:20.249693  start: 1.3.1 http-download (timeout 00:09:58) [common]
   79 08:35:20.249831  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20240129.0/amd64/full.rootfs.tar.xz
   80 08:35:20.249903  saving as /var/lib/lava/dispatcher/tmp/12894230/tftp-deploy-3akf5sy4/nfsrootfs/full.rootfs.tar
   81 08:35:20.249965  total size: 207179048 (197 MB)
   82 08:35:20.250028  Using unxz to decompress xz
   83 08:35:20.254718  progress   0 % (0 MB)
   84 08:35:20.799109  progress   5 % (9 MB)
   85 08:35:21.329461  progress  10 % (19 MB)
   86 08:35:21.937158  progress  15 % (29 MB)
   87 08:35:22.290551  progress  20 % (39 MB)
   88 08:35:22.645164  progress  25 % (49 MB)
   89 08:35:23.261308  progress  30 % (59 MB)
   90 08:35:23.840063  progress  35 % (69 MB)
   91 08:35:24.466348  progress  40 % (79 MB)
   92 08:35:25.033290  progress  45 % (88 MB)
   93 08:35:25.636826  progress  50 % (98 MB)
   94 08:35:26.298654  progress  55 % (108 MB)
   95 08:35:27.022939  progress  60 % (118 MB)
   96 08:35:27.162065  progress  65 % (128 MB)
   97 08:35:27.308753  progress  70 % (138 MB)
   98 08:35:27.411739  progress  75 % (148 MB)
   99 08:35:27.489824  progress  80 % (158 MB)
  100 08:35:27.564137  progress  85 % (167 MB)
  101 08:35:27.666110  progress  90 % (177 MB)
  102 08:35:27.956572  progress  95 % (187 MB)
  103 08:35:28.555230  progress 100 % (197 MB)
  104 08:35:28.561256  197 MB downloaded in 8.31 s (23.77 MB/s)
  105 08:35:28.561554  end: 1.3.1 http-download (duration 00:00:08) [common]
  107 08:35:28.561821  end: 1.3 download-retry (duration 00:00:08) [common]
  108 08:35:28.561910  start: 1.4 download-retry (timeout 00:09:50) [common]
  109 08:35:28.561996  start: 1.4.1 http-download (timeout 00:09:50) [common]
  110 08:35:28.562131  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-56-g55117716ac0fd/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/modules.tar.xz
  111 08:35:28.562204  saving as /var/lib/lava/dispatcher/tmp/12894230/tftp-deploy-3akf5sy4/modules/modules.tar
  112 08:35:28.562264  total size: 3309904 (3 MB)
  113 08:35:28.562328  Using unxz to decompress xz
  114 08:35:28.567034  progress   0 % (0 MB)
  115 08:35:28.573254  progress   5 % (0 MB)
  116 08:35:28.583062  progress  10 % (0 MB)
  117 08:35:28.593615  progress  15 % (0 MB)
  118 08:35:28.603277  progress  20 % (0 MB)
  119 08:35:28.611575  progress  25 % (0 MB)
  120 08:35:28.619980  progress  30 % (0 MB)
  121 08:35:28.632013  progress  35 % (1 MB)
  122 08:35:28.643332  progress  40 % (1 MB)
  123 08:35:28.651579  progress  45 % (1 MB)
  124 08:35:28.662618  progress  50 % (1 MB)
  125 08:35:28.675442  progress  55 % (1 MB)
  126 08:35:28.685500  progress  60 % (1 MB)
  127 08:35:28.695472  progress  65 % (2 MB)
  128 08:35:28.705546  progress  70 % (2 MB)
  129 08:35:28.715412  progress  75 % (2 MB)
  130 08:35:28.725498  progress  80 % (2 MB)
  131 08:35:28.735507  progress  85 % (2 MB)
  132 08:35:28.747702  progress  90 % (2 MB)
  133 08:35:28.757708  progress  95 % (3 MB)
  134 08:35:28.770447  progress 100 % (3 MB)
  135 08:35:28.775015  3 MB downloaded in 0.21 s (14.84 MB/s)
  136 08:35:28.775358  end: 1.4.1 http-download (duration 00:00:00) [common]
  138 08:35:28.775768  end: 1.4 download-retry (duration 00:00:00) [common]
  139 08:35:28.775913  start: 1.5 prepare-tftp-overlay (timeout 00:09:49) [common]
  140 08:35:28.776056  start: 1.5.1 extract-nfsrootfs (timeout 00:09:49) [common]
  141 08:35:32.367738  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/12894230/extract-nfsrootfs-1di1a08z
  142 08:35:32.367945  end: 1.5.1 extract-nfsrootfs (duration 00:00:04) [common]
  143 08:35:32.368049  start: 1.5.2 lava-overlay (timeout 00:09:46) [common]
  144 08:35:32.368223  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y
  145 08:35:32.368359  makedir: /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin
  146 08:35:32.368464  makedir: /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/tests
  147 08:35:32.368561  makedir: /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/results
  148 08:35:32.368662  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-add-keys
  149 08:35:32.368806  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-add-sources
  150 08:35:32.368936  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-background-process-start
  151 08:35:32.369065  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-background-process-stop
  152 08:35:32.369192  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-common-functions
  153 08:35:32.369317  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-echo-ipv4
  154 08:35:32.369442  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-install-packages
  155 08:35:32.369572  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-installed-packages
  156 08:35:32.369695  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-os-build
  157 08:35:32.369820  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-probe-channel
  158 08:35:32.369945  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-probe-ip
  159 08:35:32.370070  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-target-ip
  160 08:35:32.370195  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-target-mac
  161 08:35:32.370319  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-target-storage
  162 08:35:32.370444  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-test-case
  163 08:35:32.370571  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-test-event
  164 08:35:32.370694  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-test-feedback
  165 08:35:32.370818  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-test-raise
  166 08:35:32.370941  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-test-reference
  167 08:35:32.371066  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-test-runner
  168 08:35:32.371190  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-test-set
  169 08:35:32.371317  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-test-shell
  170 08:35:32.371442  Updating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-add-keys (debian)
  171 08:35:32.371594  Updating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-add-sources (debian)
  172 08:35:32.371736  Updating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-install-packages (debian)
  173 08:35:32.371875  Updating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-installed-packages (debian)
  174 08:35:32.372011  Updating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/bin/lava-os-build (debian)
  175 08:35:32.372132  Creating /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/environment
  176 08:35:32.372226  LAVA metadata
  177 08:35:32.372296  - LAVA_JOB_ID=12894230
  178 08:35:32.372358  - LAVA_DISPATCHER_IP=192.168.201.1
  179 08:35:32.372456  start: 1.5.2.1 lava-vland-overlay (timeout 00:09:46) [common]
  180 08:35:32.372522  skipped lava-vland-overlay
  181 08:35:32.372595  end: 1.5.2.1 lava-vland-overlay (duration 00:00:00) [common]
  182 08:35:32.372671  start: 1.5.2.2 lava-multinode-overlay (timeout 00:09:46) [common]
  183 08:35:32.372730  skipped lava-multinode-overlay
  184 08:35:32.372812  end: 1.5.2.2 lava-multinode-overlay (duration 00:00:00) [common]
  185 08:35:32.372890  start: 1.5.2.3 test-definition (timeout 00:09:46) [common]
  186 08:35:32.372961  Loading test definitions
  187 08:35:32.373047  start: 1.5.2.3.1 inline-repo-action (timeout 00:09:46) [common]
  188 08:35:32.373118  Using /lava-12894230 at stage 0
  189 08:35:32.373398  uuid=12894230_1.5.2.3.1 testdef=None
  190 08:35:32.373618  end: 1.5.2.3.1 inline-repo-action (duration 00:00:00) [common]
  191 08:35:32.373704  start: 1.5.2.3.2 test-overlay (timeout 00:09:46) [common]
  192 08:35:32.374158  end: 1.5.2.3.2 test-overlay (duration 00:00:00) [common]
  194 08:35:32.374373  start: 1.5.2.3.3 test-install-overlay (timeout 00:09:46) [common]
  195 08:35:32.374924  end: 1.5.2.3.3 test-install-overlay (duration 00:00:00) [common]
  197 08:35:32.375149  start: 1.5.2.3.4 test-runscript-overlay (timeout 00:09:46) [common]
  198 08:35:32.375682  runner path: /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/0/tests/0_timesync-off test_uuid 12894230_1.5.2.3.1
  199 08:35:32.375838  end: 1.5.2.3.4 test-runscript-overlay (duration 00:00:00) [common]
  201 08:35:32.376057  start: 1.5.2.3.5 git-repo-action (timeout 00:09:46) [common]
  202 08:35:32.376127  Using /lava-12894230 at stage 0
  203 08:35:32.376223  Fetching tests from https://github.com/kernelci/test-definitions.git
  204 08:35:32.376308  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/0/tests/1_kselftest-lkdtm'
  205 08:35:36.813561  Running '/usr/bin/git checkout kernelci.org
  206 08:35:36.962986  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  207 08:35:36.963993  uuid=12894230_1.5.2.3.5 testdef=None
  208 08:35:36.964197  end: 1.5.2.3.5 git-repo-action (duration 00:00:05) [common]
  210 08:35:36.964557  start: 1.5.2.3.6 test-overlay (timeout 00:09:41) [common]
  211 08:35:36.965714  end: 1.5.2.3.6 test-overlay (duration 00:00:00) [common]
  213 08:35:36.966054  start: 1.5.2.3.7 test-install-overlay (timeout 00:09:41) [common]
  214 08:35:36.967542  end: 1.5.2.3.7 test-install-overlay (duration 00:00:00) [common]
  216 08:35:36.967887  start: 1.5.2.3.8 test-runscript-overlay (timeout 00:09:41) [common]
  217 08:35:36.969321  runner path: /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/0/tests/1_kselftest-lkdtm test_uuid 12894230_1.5.2.3.5
  218 08:35:36.969451  BOARD='asus-C523NA-A20057-coral'
  219 08:35:36.969617  BRANCH='cip-gitlab'
  220 08:35:36.969708  SKIPFILE='/dev/null'
  221 08:35:36.969796  SKIP_INSTALL='True'
  222 08:35:36.969883  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-56-g55117716ac0fd/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz'
  223 08:35:36.969975  TST_CASENAME=''
  224 08:35:36.970064  TST_CMDFILES='lkdtm'
  225 08:35:36.970277  end: 1.5.2.3.8 test-runscript-overlay (duration 00:00:00) [common]
  227 08:35:36.970590  Creating lava-test-runner.conf files
  228 08:35:36.970685  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/12894230/lava-overlay-byxgy30y/lava-12894230/0 for stage 0
  229 08:35:36.970815  - 0_timesync-off
  230 08:35:36.970917  - 1_kselftest-lkdtm
  231 08:35:36.971055  end: 1.5.2.3 test-definition (duration 00:00:05) [common]
  232 08:35:36.971183  start: 1.5.2.4 compress-overlay (timeout 00:09:41) [common]
  233 08:35:44.405137  end: 1.5.2.4 compress-overlay (duration 00:00:07) [common]
  234 08:35:44.405288  start: 1.5.2.5 persistent-nfs-overlay (timeout 00:09:34) [common]
  235 08:35:44.405382  end: 1.5.2.5 persistent-nfs-overlay (duration 00:00:00) [common]
  236 08:35:44.405516  end: 1.5.2 lava-overlay (duration 00:00:12) [common]
  237 08:35:44.405610  start: 1.5.3 extract-overlay-ramdisk (timeout 00:09:34) [common]
  238 08:35:44.543640  end: 1.5.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  239 08:35:44.544023  start: 1.5.4 extract-modules (timeout 00:09:34) [common]
  240 08:35:44.544136  extracting modules file /var/lib/lava/dispatcher/tmp/12894230/tftp-deploy-3akf5sy4/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12894230/extract-nfsrootfs-1di1a08z
  241 08:35:44.627049  extracting modules file /var/lib/lava/dispatcher/tmp/12894230/tftp-deploy-3akf5sy4/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12894230/extract-overlay-ramdisk-blvm92aa/ramdisk
  242 08:35:44.712659  end: 1.5.4 extract-modules (duration 00:00:00) [common]
  243 08:35:44.712826  start: 1.5.5 apply-overlay-tftp (timeout 00:09:33) [common]
  244 08:35:44.712926  [common] Applying overlay to NFS
  245 08:35:44.712998  [common] Applying overlay /var/lib/lava/dispatcher/tmp/12894230/compress-overlay-xakg_h5e/overlay-1.5.2.4.tar.gz to directory /var/lib/lava/dispatcher/tmp/12894230/extract-nfsrootfs-1di1a08z
  246 08:35:45.627426  end: 1.5.5 apply-overlay-tftp (duration 00:00:01) [common]
  247 08:35:45.627587  start: 1.5.6 configure-preseed-file (timeout 00:09:33) [common]
  248 08:35:45.627683  end: 1.5.6 configure-preseed-file (duration 00:00:00) [common]
  249 08:35:45.627775  start: 1.5.7 compress-ramdisk (timeout 00:09:33) [common]
  250 08:35:45.627855  Building ramdisk /var/lib/lava/dispatcher/tmp/12894230/extract-overlay-ramdisk-blvm92aa/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/12894230/extract-overlay-ramdisk-blvm92aa/ramdisk
  251 08:35:45.816879  >> 67754 blocks

  252 08:35:46.955340  rename /var/lib/lava/dispatcher/tmp/12894230/extract-overlay-ramdisk-blvm92aa/ramdisk.cpio.gz to /var/lib/lava/dispatcher/tmp/12894230/tftp-deploy-3akf5sy4/ramdisk/ramdisk.cpio.gz
  253 08:35:46.955773  end: 1.5.7 compress-ramdisk (duration 00:00:01) [common]
  254 08:35:46.955894  start: 1.5.8 prepare-kernel (timeout 00:09:31) [common]
  255 08:35:46.955998  start: 1.5.8.1 prepare-fit (timeout 00:09:31) [common]
  256 08:35:46.956090  No mkimage arch provided, not using FIT.
  257 08:35:46.956183  end: 1.5.8.1 prepare-fit (duration 00:00:00) [common]
  258 08:35:46.956269  end: 1.5.8 prepare-kernel (duration 00:00:00) [common]
  259 08:35:46.956374  end: 1.5 prepare-tftp-overlay (duration 00:00:18) [common]
  260 08:35:46.956470  start: 1.6 lxc-create-udev-rule-action (timeout 00:09:31) [common]
  261 08:35:46.956551  No LXC device requested
  262 08:35:46.956632  end: 1.6 lxc-create-udev-rule-action (duration 00:00:00) [common]
  263 08:35:46.956724  start: 1.7 deploy-device-env (timeout 00:09:31) [common]
  264 08:35:46.956806  end: 1.7 deploy-device-env (duration 00:00:00) [common]
  265 08:35:46.956883  Checking files for TFTP limit of 4294967296 bytes.
  266 08:35:46.957308  end: 1 tftp-deploy (duration 00:00:29) [common]
  267 08:35:46.957412  start: 2 depthcharge-action (timeout 00:05:00) [common]
  268 08:35:46.957535  start: 2.1 depthcharge-overlay (timeout 00:05:00) [common]
  269 08:35:46.957664  substitutions:
  270 08:35:46.957734  - {DTB}: None
  271 08:35:46.957800  - {INITRD}: 12894230/tftp-deploy-3akf5sy4/ramdisk/ramdisk.cpio.gz
  272 08:35:46.957859  - {KERNEL}: 12894230/tftp-deploy-3akf5sy4/kernel/bzImage
  273 08:35:46.957918  - {LAVA_MAC}: None
  274 08:35:46.957976  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/12894230/extract-nfsrootfs-1di1a08z
  275 08:35:46.958034  - {NFS_SERVER_IP}: 192.168.201.1
  276 08:35:46.958089  - {PRESEED_CONFIG}: None
  277 08:35:46.958145  - {PRESEED_LOCAL}: None
  278 08:35:46.958200  - {RAMDISK}: 12894230/tftp-deploy-3akf5sy4/ramdisk/ramdisk.cpio.gz
  279 08:35:46.958255  - {ROOT_PART}: None
  280 08:35:46.958310  - {ROOT}: None
  281 08:35:46.958365  - {SERVER_IP}: 192.168.201.1
  282 08:35:46.958418  - {TEE}: None
  283 08:35:46.958473  Parsed boot commands:
  284 08:35:46.958526  - enet dhcp
  285 08:35:46.958580  - tftpboot 192.168.201.1 {DEPTHCHARGE_KERNEL} {CMDLINE} {DEPTHCHARGE_RAMDISK}
  286 08:35:46.958763  Parsed boot commands: enet dhcp; tftpboot 192.168.201.1 12894230/tftp-deploy-3akf5sy4/kernel/bzImage 12894230/tftp-deploy-3akf5sy4/kernel/cmdline 12894230/tftp-deploy-3akf5sy4/ramdisk/ramdisk.cpio.gz
  287 08:35:46.958860  end: 2.1 depthcharge-overlay (duration 00:00:00) [common]
  288 08:35:46.958945  start: 2.2 depthcharge-retry (timeout 00:05:00) [common]
  289 08:35:46.959037  start: 2.2.1 reset-connection (timeout 00:05:00) [common]
  290 08:35:46.959119  start: 2.2.1.1 disconnect-device (timeout 00:05:00) [common]
  291 08:35:46.959190  Not connected, no need to disconnect.
  292 08:35:46.959265  end: 2.2.1.1 disconnect-device (duration 00:00:00) [common]
  293 08:35:46.959348  start: 2.2.1.2 connect-device (timeout 00:05:00) [common]
  294 08:35:46.959416  [common] connect-device Connecting to device using '/usr/local/bin/chromebook-console.sh asus-C523NA-A20057-coral-cbg-3'
  295 08:35:46.963525  Setting prompt string to ['lava-test: # ']
  296 08:35:46.963898  end: 2.2.1.2 connect-device (duration 00:00:00) [common]
  297 08:35:46.964009  end: 2.2.1 reset-connection (duration 00:00:00) [common]
  298 08:35:46.964115  start: 2.2.2 reset-device (timeout 00:05:00) [common]
  299 08:35:46.964205  start: 2.2.2.1 pdu-reboot (timeout 00:05:00) [common]
  300 08:35:46.964453  Calling: 'pduclient' '--daemon=localhost' '--hostname=asus-C523NA-A20057-coral-cbg-3' '--port=1' '--command=reboot'
  301 08:35:52.118827  >> Command sent successfully.

  302 08:35:52.129836  Returned 0 in 5 seconds
  303 08:35:52.231130  end: 2.2.2.1 pdu-reboot (duration 00:00:05) [common]
  305 08:35:52.232558  end: 2.2.2 reset-device (duration 00:00:05) [common]
  306 08:35:52.233082  start: 2.2.3 depthcharge-start (timeout 00:04:55) [common]
  307 08:35:52.233546  Setting prompt string to 'Starting depthcharge on coral...'
  308 08:35:52.234058  Changing prompt to 'Starting depthcharge on coral...'
  309 08:35:52.234486  depthcharge-start: Wait for prompt Starting depthcharge on coral... (timeout 00:05:00)
  310 08:35:52.235853  [Enter `^Ec?' for help]

  311 08:35:52.975907  

  312 08:35:52.976477  

  313 08:35:52.982230  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting...

  314 08:35:52.989147  LPC: Trying to open IO window from 800 size 1ff

  315 08:35:52.992634  LPC: Opened IO window LGIR0: base 800 size 100

  316 08:35:52.999006  LPC: Opened IO window LGIR1: base 900 size 100

  317 08:35:53.002386  VBOOT: Loading verstage.

  318 08:35:53.005747  FMAP: Found "FLASH" version 1.1 at 204000.

  319 08:35:53.009033  FMAP: base = 0 size = 1000000 #areas = 35

  320 08:35:53.015748  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  321 08:35:53.016185  CBFS @ 205000 size 17b000

  322 08:35:53.022516  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  323 08:35:53.025925  CBFS: Locating 'fallback/verstage'

  324 08:35:53.029101  CBFS: Found @ offset ba4c0 size fab4

  325 08:35:53.037578  

  326 08:35:53.038007  

  327 08:35:53.044641  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting...

  328 08:35:53.051244  LPSS I2C bus 2 at 0xfe022000 (400 KHz)

  329 08:35:53.051798  TPM ready after 4 ms

  330 08:35:53.057970  cr50 TPM 2.0 (i2c 2:0x50 id 0x28)

  331 08:35:53.102892  setup_tpm():514: TPM: SetupTPM() succeeded

  332 08:35:53.118808  src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0

  333 08:35:53.119239  Phase 1

  334 08:35:53.125321  FMAP: Found "FLASH" version 1.1 at 204000.

  335 08:35:53.128530  FMAP: base = 0 size = 1000000 #areas = 35

  336 08:35:53.132099  FMAP: area GBB found @ 380000 (262144 bytes)

  337 08:35:53.138880  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0

  338 08:35:53.142555  Phase 2

  339 08:35:53.142974  Phase 3

  340 08:35:53.145573  FMAP: area GBB found @ 380000 (262144 bytes)

  341 08:35:53.152288  VB2:vb2_report_dev_firmware() This is developer signed firmware

  342 08:35:53.158829  FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes)

  343 08:35:53.162534  FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes)

  344 08:35:53.168890  VB2:vb2_verify_keyblock() Checking key block signature...

  345 08:35:53.207840  FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes)

  346 08:35:53.210938  FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes)

  347 08:35:53.217576  VB2:vb2_verify_fw_preamble() Verifying preamble.

  348 08:35:53.227597  Phase 4

  349 08:35:53.231057  FMAP: area FW_MAIN_B found @ 8c0000 (4652992 bytes)

  350 08:35:53.237608  VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW

  351 08:35:53.385743  VB2:vb2_rsa_verify_digest() Digest check failed!

  352 08:35:53.389210  VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7

  353 08:35:53.392203  Saving nvdata

  354 08:35:53.395693  Reboot requested (10020007)

  355 08:35:53.398867  hard_reset() called!

  356 08:35:53.399258  CSE is not yet ready, waiting

  357 08:35:54.407975  CSE timed out. Resetting

  358 08:35:58.752092  

  359 08:35:58.752246  

  360 08:35:58.758505  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting...

  361 08:35:58.765408  LPC: Trying to open IO window from 800 size 1ff

  362 08:35:58.768757  LPC: Opened IO window LGIR0: base 800 size 100

  363 08:35:58.775510  LPC: Opened IO window LGIR1: base 900 size 100

  364 08:35:58.779058  VBOOT: Loading verstage.

  365 08:35:58.782175  FMAP: Found "FLASH" version 1.1 at 204000.

  366 08:35:58.785469  FMAP: base = 0 size = 1000000 #areas = 35

  367 08:35:58.792024  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  368 08:35:58.792099  CBFS @ 205000 size 17b000

  369 08:35:58.798574  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  370 08:35:58.802325  CBFS: Locating 'fallback/verstage'

  371 08:35:58.805465  CBFS: Found @ offset ba4c0 size fab4

  372 08:35:58.814076  

  373 08:35:58.814158  

  374 08:35:58.820585  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting...

  375 08:35:58.827357  LPSS I2C bus 2 at 0xfe022000 (400 KHz)

  376 08:35:58.827437  TPM ready after 4 ms

  377 08:35:58.834201  cr50 TPM 2.0 (i2c 2:0x50 id 0x28)

  378 08:35:58.879051  setup_tpm():514: TPM: SetupTPM() succeeded

  379 08:35:58.894613  src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0

  380 08:35:58.894702  Phase 1

  381 08:35:58.901562  FMAP: Found "FLASH" version 1.1 at 204000.

  382 08:35:58.904734  FMAP: base = 0 size = 1000000 #areas = 35

  383 08:35:58.908041  FMAP: area GBB found @ 380000 (262144 bytes)

  384 08:35:58.914926  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7

  385 08:35:58.921409  VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0

  386 08:35:58.924459  Recovery requested (1009000e)

  387 08:35:58.927865  Saving nvdata

  388 08:35:58.942051  tlcl_extend: response is 0

  389 08:35:58.958153  tlcl_extend: response is 0

  390 08:35:58.964824  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  391 08:35:58.967937  CBFS @ 205000 size 17b000

  392 08:35:58.971513  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  393 08:35:58.974848  CBFS: Locating 'fallback/romstage'

  394 08:35:58.981401  CBFS: Found @ offset 80 size 11c5c

  395 08:35:58.988386  

  396 08:35:58.988466  

  397 08:35:58.994976  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting...

  398 08:35:59.001866  pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00

  399 08:35:59.005090  gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000

  400 08:35:59.008298  gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000

  401 08:35:59.015290  gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000

  402 08:35:59.018568  gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000

  403 08:35:59.022101  prsts: 00000000 tco_sts: 00000000

  404 08:35:59.028340  gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000

  405 08:35:59.028422  prev_sleep_state 0

  406 08:35:59.031911  Boot Count incremented to 102547

  407 08:35:59.038407  FMAP: Found "FLASH" version 1.1 at 204000.

  408 08:35:59.041854  FMAP: base = 0 size = 1000000 #areas = 35

  409 08:35:59.048582  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  410 08:35:59.048662  CBFS @ 205000 size 17b000

  411 08:35:59.055053  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  412 08:35:59.058393  CBFS: Locating 'fspm.bin'

  413 08:35:59.061816  CBFS: Found @ offset 2efc0 size 59000

  414 08:35:59.102492  FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes)

  415 08:35:59.113213  Locality already claimed

  416 08:35:59.116419  cr50 TPM 2.0 (i2c 2:0x50 id 0x28)

  417 08:35:59.134467  src/lib/tpm2_tlcl.c:208 index 0x100b return code 0

  418 08:35:59.141155  MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE

  419 08:35:59.144153  MRC cache found, size b2c0 bootmode:2

  420 08:35:59.147569  LPDDR4 SKU id = 0x1

  421 08:35:59.150876  LP4DDR speed is 2400MHz

  422 08:35:59.150952  LPDDR4 Ch0 density = 2

  423 08:35:59.154333  LPDDR4 Ch1 density = 2

  424 08:35:59.160787  FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes)

  425 08:35:59.356786  CBMEM:

  426 08:35:59.359687  IMD: root @ 7afff000 254 entries.

  427 08:35:59.363257  IMD: root @ 7affec00 62 entries.

  428 08:35:59.366404  External stage cache:

  429 08:35:59.369766  IMD: root @ 7b7ff000 254 entries.

  430 08:35:59.373251  IMD: root @ 7b7fec00 62 entries.

  431 08:35:59.376557  creating vboot_handoff structure

  432 08:35:59.379497  Chrome EC: clear events_b mask to 0x21004000

  433 08:35:59.412208  src/lib/tpm2_tlcl.c:208 index 0x100b return code 0

  434 08:35:59.425913  tlcl_write: response is 0

  435 08:35:59.443703  src/lib/tpm2_tlcl.c:208 index 0x100b return code 0

  436 08:35:59.446877  MRC: TPM MRC hash updated successfully.

  437 08:35:59.450408  CPU: frequency set to 2500 MHz

  438 08:35:59.453470  4 DIMMs found

  439 08:35:59.456941  MTRR Range: Start=7a000000 End=7b000000 (Size 1000000)

  440 08:35:59.463881  MTRR Range: Start=ff000000 End=0 (Size 1000000)

  441 08:35:59.466979  MTRR Range: Start=7b000000 End=7b800000 (Size 800000)

  442 08:35:59.473431  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  443 08:35:59.477010  CBFS @ 205000 size 17b000

  444 08:35:59.480424  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  445 08:35:59.483463  CBFS: Locating 'fallback/postcar'

  446 08:35:59.490293  CBFS: Found @ offset b3000 size 45b8

  447 08:35:59.493671  Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes)

  448 08:35:59.505140  Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648

  449 08:35:59.508348  Processing 131 relocs. Offset value of 0x78bc6000

  450 08:35:59.513359  

  451 08:35:59.513460  

  452 08:35:59.520256  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting...

  453 08:35:59.526724  FMAP: Found "FLASH" version 1.1 at 204000.

  454 08:35:59.529782  FMAP: base = 0 size = 1000000 #areas = 35

  455 08:35:59.533346  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  456 08:35:59.536439  CBFS @ 205000 size 17b000

  457 08:35:59.543323  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  458 08:35:59.546457  CBFS: Locating 'fallback/ramstage'

  459 08:35:59.549811  CBFS: Found @ offset 15dc0 size 17c31

  460 08:35:59.556328  Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes)

  461 08:35:59.592068  Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0

  462 08:35:59.595243  Processing 2993 relocs. Offset value of 0x7aa78000

  463 08:35:59.598471  

  464 08:35:59.598544  

  465 08:35:59.605204  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting...

  466 08:35:59.611790  FMAP: Found "FLASH" version 1.1 at 204000.

  467 08:35:59.615053  FMAP: base = 0 size = 1000000 #areas = 35

  468 08:35:59.618468  FMAP: area RO_VPD found @ 200000 (16384 bytes)

  469 08:35:59.625070  WARNING: RO_VPD is uninitialized or empty.

  470 08:35:59.628279  FMAP: area RW_VPD found @ 428000 (8192 bytes)

  471 08:35:59.632077  FMAP: area RW_VPD found @ 428000 (8192 bytes)

  472 08:35:59.635314  Normal boot.

  473 08:35:59.638451  BS: BS_PRE_DEVICE times (us): entry 2 run 31 exit 0

  474 08:35:59.643938  Board ID: 5

  475 08:35:59.649375  mainboard: EC init

  476 08:35:59.652440  Chrome EC: Set WAKE mask to 0x00000000

  477 08:35:59.659145  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  478 08:35:59.662742  CBFS @ 205000 size 17b000

  479 08:35:59.665707  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  480 08:35:59.669019  CBFS: Locating 'fsps.bin'

  481 08:35:59.672200  CBFS: Found @ offset 88fc0 size 2a000

  482 08:35:59.695853  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  483 08:35:59.699512  CBFS @ 205000 size 17b000

  484 08:35:59.702706  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  485 08:35:59.705853  CBFS: Locating 'vbt-babytiger.bin'

  486 08:35:59.712678  CBFS: Found @ offset 155800 size 528

  487 08:35:59.716226  Found a VBT of 6656 bytes after decompression

  488 08:35:59.888704  ITSS IRQ Polarities Before:

  489 08:35:59.891820  IPC0: 0xffffeef8

  490 08:35:59.891897  IPC1: 0xffffffff

  491 08:35:59.895391  IPC2: 0xffffffff

  492 08:35:59.895463  IPC3: 0x00ffffff

  493 08:35:59.898450  ITSS IRQ Polarities After:

  494 08:35:59.902013  IPC0: 0xffffeef8

  495 08:35:59.902087  IPC1: 0x4a07ffff

  496 08:35:59.905148  IPC2: 0x08000000

  497 08:35:59.905216  IPC3: 0x00a11000

  498 08:35:59.908477  RAPL PL1 12.0W

  499 08:35:59.908559  RAPL PL2 15.0W

  500 08:35:59.915548  BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 269080 exit 0

  501 08:35:59.918907  Enumerating buses...

  502 08:35:59.922155  Show all devs... Before device enumeration.

  503 08:35:59.925300  Root Device: enabled 1

  504 08:35:59.928632  CPU_CLUSTER: 0: enabled 1

  505 08:35:59.928720  APIC: 00: enabled 1

  506 08:35:59.934579  DOMAIN: 0000: enabled 1

  507 08:35:59.935340  PCI: 00:00.0: enabled 1

  508 08:35:59.938571  PCI: 00:00.1: enabled 1

  509 08:35:59.938649  PCI: 00:00.2: enabled 1

  510 08:35:59.942257  PCI: 00:02.0: enabled 1

  511 08:35:59.945341  PCI: 00:03.0: enabled 1

  512 08:35:59.948799  PCI: 00:0d.0: enabled 1

  513 08:35:59.948877  PCI: 00:0d.1: enabled 1

  514 08:35:59.951940  PCI: 00:0d.2: enabled 1

  515 08:35:59.955518  PCI: 00:0d.3: enabled 1

  516 08:35:59.955594  PCI: 00:0e.0: enabled 1

  517 08:35:59.958796  GENERIC: 0.0: enabled 1

  518 08:35:59.962011  PCI: 00:11.0: enabled 0

  519 08:35:59.965502  PCI: 00:12.0: enabled 0

  520 08:35:59.965597  PCI: 00:13.0: enabled 0

  521 08:35:59.968827  PCI: 00:13.1: enabled 0

  522 08:35:59.971996  PCI: 00:13.2: enabled 0

  523 08:35:59.975225  PCI: 00:13.3: enabled 0

  524 08:35:59.975330  PCI: 00:14.0: enabled 1

  525 08:35:59.978549  PCI: 00:00.0: enabled 1

  526 08:35:59.982085  PCI: 00:14.1: enabled 0

  527 08:35:59.985254  PCI: 00:15.0: enabled 1

  528 08:35:59.985330  PCI: 00:15.1: enabled 0

  529 08:35:59.988820  PCI: 00:16.0: enabled 1

  530 08:35:59.992050  I2C: 00:1a: enabled 1

  531 08:35:59.992126  PCI: 00:16.1: enabled 1

  532 08:35:59.995588  PCI: 00:16.2: enabled 1

  533 08:35:59.998661  I2C: 00:50: enabled 1

  534 08:36:00.001873  PCI: 00:16.3: enabled 1

  535 08:36:00.001951  I2C: 00:10: enabled 1

  536 08:36:00.005440  I2C: 00:39: enabled 1

  537 08:36:00.008658  PCI: 00:17.0: enabled 1

  538 08:36:00.008733  I2C: 00:15: enabled 1

  539 08:36:00.011828  I2C: 00:2c: enabled 1

  540 08:36:00.015321  PCI: 00:17.1: enabled 1

  541 08:36:00.015509  I2C: 00:09: enabled 1

  542 08:36:00.018859  PCI: 00:17.2: enabled 0

  543 08:36:00.022035  PCI: 00:17.3: enabled 0

  544 08:36:00.025230  PCI: 00:18.0: enabled 1

  545 08:36:00.025375  PCI: 00:18.1: enabled 1

  546 08:36:00.028423  PCI: 00:18.2: enabled 1

  547 08:36:00.031944  PCI: 00:18.3: enabled 0

  548 08:36:00.035075  PCI: 00:19.0: enabled 1

  549 08:36:00.035217  PCI: 00:19.1: enabled 0

  550 08:36:00.038544  PCI: 00:19.2: enabled 0

  551 08:36:00.042127  PCI: 00:1a.0: enabled 1

  552 08:36:00.045267  PCI: 00:1b.0: enabled 1

  553 08:36:00.045412  PCI: 00:1c.0: enabled 1

  554 08:36:00.048737  PCI: 00:1e.0: enabled 0

  555 08:36:00.051808  PCI: 00:1f.0: enabled 1

  556 08:36:00.051958  PNP: 0c09.0: enabled 1

  557 08:36:00.055026  PCI: 00:1f.1: enabled 1

  558 08:36:00.058262  Compare with tree...

  559 08:36:00.061755  Root Device: enabled 1

  560 08:36:00.061873   CPU_CLUSTER: 0: enabled 1

  561 08:36:00.065058    APIC: 00: enabled 1

  562 08:36:00.068253   DOMAIN: 0000: enabled 1

  563 08:36:00.071501    PCI: 00:00.0: enabled 1

  564 08:36:00.071582    PCI: 00:00.1: enabled 1

  565 08:36:00.074983    PCI: 00:00.2: enabled 1

  566 08:36:00.078310    PCI: 00:02.0: enabled 1

  567 08:36:00.081778    PCI: 00:03.0: enabled 1

  568 08:36:00.085119    PCI: 00:0d.0: enabled 1

  569 08:36:00.085199    PCI: 00:0d.1: enabled 1

  570 08:36:00.088242    PCI: 00:0d.2: enabled 1

  571 08:36:00.091388    PCI: 00:0d.3: enabled 1

  572 08:36:00.094922    PCI: 00:0e.0: enabled 1

  573 08:36:00.098055     GENERIC: 0.0: enabled 1

  574 08:36:00.098139    PCI: 00:11.0: enabled 0

  575 08:36:00.101598    PCI: 00:12.0: enabled 0

  576 08:36:00.104676    PCI: 00:13.0: enabled 0

  577 08:36:00.108318    PCI: 00:13.1: enabled 0

  578 08:36:00.111479    PCI: 00:13.2: enabled 0

  579 08:36:00.111590    PCI: 00:13.3: enabled 0

  580 08:36:00.114976    PCI: 00:14.0: enabled 1

  581 08:36:00.118216     PCI: 00:00.0: enabled 1

  582 08:36:00.121376    PCI: 00:14.1: enabled 0

  583 08:36:00.124477    PCI: 00:15.0: enabled 1

  584 08:36:00.124581    PCI: 00:15.1: enabled 0

  585 08:36:00.128116    PCI: 00:16.0: enabled 1

  586 08:36:00.131257     I2C: 00:1a: enabled 1

  587 08:36:00.134541    PCI: 00:16.1: enabled 1

  588 08:36:00.138039    PCI: 00:16.2: enabled 1

  589 08:36:00.138115     I2C: 00:50: enabled 1

  590 08:36:00.141153    PCI: 00:16.3: enabled 1

  591 08:36:00.144814     I2C: 00:10: enabled 1

  592 08:36:00.147975     I2C: 00:39: enabled 1

  593 08:36:00.148077    PCI: 00:17.0: enabled 1

  594 08:36:00.151015     I2C: 00:15: enabled 1

  595 08:36:00.154546     I2C: 00:2c: enabled 1

  596 08:36:00.157732    PCI: 00:17.1: enabled 1

  597 08:36:00.161292     I2C: 00:09: enabled 1

  598 08:36:00.161403    PCI: 00:17.2: enabled 0

  599 08:36:00.164364    PCI: 00:17.3: enabled 0

  600 08:36:00.167871    PCI: 00:18.0: enabled 1

  601 08:36:00.170986    PCI: 00:18.1: enabled 1

  602 08:36:00.174463    PCI: 00:18.2: enabled 1

  603 08:36:00.174538    PCI: 00:18.3: enabled 0

  604 08:36:00.177609    PCI: 00:19.0: enabled 1

  605 08:36:00.180903    PCI: 00:19.1: enabled 0

  606 08:36:00.184244    PCI: 00:19.2: enabled 0

  607 08:36:00.187676    PCI: 00:1a.0: enabled 1

  608 08:36:00.187811    PCI: 00:1b.0: enabled 1

  609 08:36:00.191000    PCI: 00:1c.0: enabled 1

  610 08:36:00.194313    PCI: 00:1e.0: enabled 0

  611 08:36:00.197414    PCI: 00:1f.0: enabled 1

  612 08:36:00.200898     PNP: 0c09.0: enabled 1

  613 08:36:00.200972    PCI: 00:1f.1: enabled 1

  614 08:36:00.204242  Root Device scanning...

  615 08:36:00.207524  root_dev_scan_bus for Root Device

  616 08:36:00.210832  CPU_CLUSTER: 0 enabled

  617 08:36:00.214280  DOMAIN: 0000 enabled

  618 08:36:00.214374  DOMAIN: 0000 scanning...

  619 08:36:00.217613  PCI: pci_scan_bus for bus 00

  620 08:36:00.220866  PCI: 00:00.0 [8086/0000] ops

  621 08:36:00.224085  PCI: 00:00.0 [8086/5af0] enabled

  622 08:36:00.227661  PCI: 00:00.1 [8086/5a8c] enabled

  623 08:36:00.230784  PCI: 00:00.2 [8086/5a8e] enabled

  624 08:36:00.234018  PCI: 00:02.0 [8086/0000] ops

  625 08:36:00.237221  PCI: 00:02.0 [8086/5a84] enabled

  626 08:36:00.240766  PCI: 00:03.0 [8086/5a88] enabled

  627 08:36:00.243845  PCI: 00:0d.0 [8086/0000] ops

  628 08:36:00.247361  PCI: 00:0d.0 [8086/5a92] enabled

  629 08:36:00.250933  PCI: 00:0d.1 [8086/0000] ops

  630 08:36:00.254122  PCI: 00:0d.1 [8086/5a94] enabled

  631 08:36:00.257252  PCI: 00:0d.2 [8086/5a96] enabled

  632 08:36:00.260371  PCI: 00:0d.3 [8086/0000] ops

  633 08:36:00.263798  PCI: 00:0d.3 [8086/5aec] enabled

  634 08:36:00.267325  PCI: 00:0e.0 [8086/0000] bus ops

  635 08:36:00.270743  PCI: 00:0e.0 [8086/5a98] enabled

  636 08:36:00.274053  PCI: 00:0f.0 [8086/0000] ops

  637 08:36:00.277134  PCI: 00:0f.0 [8086/5a9a] enabled

  638 08:36:00.280675  PCI: 00:0f.1 [8086/5a9c] enabled

  639 08:36:00.283780  PCI: 00:0f.2 [8086/5a9e] enabled

  640 08:36:00.287022  Capability: type 0x10 @ 0x40

  641 08:36:00.287100  Capability: type 0x05 @ 0x80

  642 08:36:00.290482  Capability: type 0x0d @ 0x90

  643 08:36:00.293707  Capability: type 0x01 @ 0xa0

  644 08:36:00.296915  Capability: type 0x10 @ 0x40

  645 08:36:00.300384  PCI: 00:14.0 subordinate bus PCI Express

  646 08:36:00.303491  PCI: 00:14.0 [8086/5ad6] enabled

  647 08:36:00.307070  PCI: 00:15.0 [8086/0000] ops

  648 08:36:00.310485  PCI: 00:15.0 [8086/5aa8] enabled

  649 08:36:00.313684  PCI: 00:16.0 [8086/0000] bus ops

  650 08:36:00.316856  PCI: 00:16.0 [8086/5aac] enabled

  651 08:36:00.320444  PCI: 00:16.1 [8086/0000] bus ops

  652 08:36:00.323415  PCI: 00:16.1 [8086/5aae] enabled

  653 08:36:00.326645  PCI: 00:16.2 [8086/0000] bus ops

  654 08:36:00.330026  PCI: 00:16.2 [8086/5ab0] enabled

  655 08:36:00.333597  PCI: 00:16.3 [8086/0000] bus ops

  656 08:36:00.336665  PCI: 00:16.3 [8086/5ab2] enabled

  657 08:36:00.339892  PCI: 00:17.0 [8086/0000] bus ops

  658 08:36:00.343229  PCI: 00:17.0 [8086/5ab4] enabled

  659 08:36:00.346668  PCI: 00:17.1 [8086/0000] bus ops

  660 08:36:00.349891  PCI: 00:17.1 [8086/5ab6] enabled

  661 08:36:00.353378  PCI: 00:18.0 [8086/0000] ops

  662 08:36:00.356625  PCI: 00:18.0 [8086/5abc] enabled

  663 08:36:00.360222  PCI: 00:18.1 [8086/0000] ops

  664 08:36:00.363385  PCI: 00:18.1 [8086/5abe] enabled

  665 08:36:00.366592  PCI: 00:18.2 [8086/0000] ops

  666 08:36:00.369777  PCI: 00:18.2 [8086/5ac0] enabled

  667 08:36:00.373231  PCI: 00:19.0 [8086/5ac2] enabled

  668 08:36:00.379784  PCI: Static device PCI: 00:1a.0 not found, disabling it.

  669 08:36:00.383133  PCI: 00:1b.0 [8086/0000] ops

  670 08:36:00.386559  PCI: 00:1b.0 [8086/5aca] enabled

  671 08:36:00.389782  PCI: 00:1c.0 [8086/5acc] enabled

  672 08:36:00.393005  PCI: 00:1f.0 [8086/0000] bus ops

  673 08:36:00.396605  PCI: 00:1f.0 [8086/5ae8] enabled

  674 08:36:00.399857  PCI: 00:1f.1 [8086/5ad4] enabled

  675 08:36:00.399963  PCI: 00:0e.0 scanning...

  676 08:36:00.403311  GENERIC: 0.0 enabled

  677 08:36:00.409742  scan_bus: scanning of bus PCI: 00:0e.0 took 4862 usecs

  678 08:36:00.412832  PCI: 00:14.0 scanning...

  679 08:36:00.416381  do_pci_scan_bridge for PCI: 00:14.0

  680 08:36:00.419591  PCI: pci_scan_bus for bus 01

  681 08:36:00.422821  PCI: 01:00.0 [8086/095a] enabled

  682 08:36:00.426117  Capability: type 0x01 @ 0xc8

  683 08:36:00.426220  Capability: type 0x05 @ 0xd0

  684 08:36:00.429728  Capability: type 0x10 @ 0x40

  685 08:36:00.432765  Capability: type 0x10 @ 0x40

  686 08:36:00.436350  Enabling Common Clock Configuration

  687 08:36:00.442612  L1 Sub-State supported from root port 20

  688 08:36:00.442715  L1 Sub-State Support = 0xf

  689 08:36:00.446015  CommonModeRestoreTime = 0x28

  690 08:36:00.452614  Power On Value = 0x1e, Power On Scale = 0x0

  691 08:36:00.452711  ASPM: Enabled L1

  692 08:36:00.455802  Capability: type 0x01 @ 0xc8

  693 08:36:00.459261  Capability: type 0x05 @ 0xd0

  694 08:36:00.462814  Capability: type 0x10 @ 0x40

  695 08:36:00.469365  scan_bus: scanning of bus PCI: 00:14.0 took 52889 usecs

  696 08:36:00.469510  PCI: 00:16.0 scanning...

  697 08:36:00.472583  scan_generic_bus for PCI: 00:16.0

  698 08:36:00.479150  bus: PCI: 00:16.0[0]->I2C: 01:1a enabled

  699 08:36:00.482815  scan_generic_bus for PCI: 00:16.0 done

  700 08:36:00.485804  scan_bus: scanning of bus PCI: 00:16.0 took 14104 usecs

  701 08:36:00.489290  PCI: 00:16.1 scanning...

  702 08:36:00.492440  scan_generic_bus for PCI: 00:16.1

  703 08:36:00.499224  scan_generic_bus for PCI: 00:16.1 done

  704 08:36:00.502432  scan_bus: scanning of bus PCI: 00:16.1 took 10014 usecs

  705 08:36:00.505994  PCI: 00:16.2 scanning...

  706 08:36:00.509248  scan_generic_bus for PCI: 00:16.2

  707 08:36:00.512363  bus: PCI: 00:16.2[0]->I2C: 02:50 enabled

  708 08:36:00.515591  scan_generic_bus for PCI: 00:16.2 done

  709 08:36:00.522338  scan_bus: scanning of bus PCI: 00:16.2 took 14131 usecs

  710 08:36:00.525629  PCI: 00:16.3 scanning...

  711 08:36:00.529085  scan_generic_bus for PCI: 00:16.3

  712 08:36:00.532386  bus: PCI: 00:16.3[0]->I2C: 03:10 enabled

  713 08:36:00.535733  bus: PCI: 00:16.3[0]->I2C: 03:39 enabled

  714 08:36:00.542328  scan_generic_bus for PCI: 00:16.3 done

  715 08:36:00.545716  scan_bus: scanning of bus PCI: 00:16.3 took 18219 usecs

  716 08:36:00.548938  PCI: 00:17.0 scanning...

  717 08:36:00.552441  scan_generic_bus for PCI: 00:17.0

  718 08:36:00.555576  bus: PCI: 00:17.0[0]->I2C: 04:15 enabled

  719 08:36:00.562112  bus: PCI: 00:17.0[0]->I2C: 04:2c enabled

  720 08:36:00.565483  scan_generic_bus for PCI: 00:17.0 done

  721 08:36:00.572058  scan_bus: scanning of bus PCI: 00:17.0 took 18212 usecs

  722 08:36:00.572180  PCI: 00:17.1 scanning...

  723 08:36:00.575488  scan_generic_bus for PCI: 00:17.1

  724 08:36:00.582118  bus: PCI: 00:17.1[0]->I2C: 05:09 enabled

  725 08:36:00.585455  scan_generic_bus for PCI: 00:17.1 done

  726 08:36:00.592110  scan_bus: scanning of bus PCI: 00:17.1 took 14091 usecs

  727 08:36:00.592195  PCI: 00:1f.0 scanning...

  728 08:36:00.595672  scan_lpc_bus for PCI: 00:1f.0

  729 08:36:00.598818  PNP: 0c09.0 enabled

  730 08:36:00.601982  scan_lpc_bus for PCI: 00:1f.0 done

  731 08:36:00.608760  scan_bus: scanning of bus PCI: 00:1f.0 took 11284 usecs

  732 08:36:00.611965  scan_bus: scanning of bus DOMAIN: 0000 took 392674 usecs

  733 08:36:00.618761  root_dev_scan_bus for Root Device done

  734 08:36:00.621848  scan_bus: scanning of bus Root Device took 412708 usecs

  735 08:36:00.621933  done

  736 08:36:00.629108  FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes)

  737 08:36:00.635625  MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'.

  738 08:36:00.642271  SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000

  739 08:36:00.655064  FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes)

  740 08:36:00.661045  MRC: Checking cached data update for 'RW_VAR_MRC_CACHE'.

  741 08:36:00.664211  MRC: cache data 'RW_VAR_MRC_CACHE' needs update.

  742 08:36:00.670902  FMAP: area RW_ELOG found @ 421000 (12288 bytes)

  743 08:36:00.674356  ELOG: NV offset 0x421000 size 0x3000

  744 08:36:00.681028  ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024

  745 08:36:00.687679  ELOG: Event(17) added with size 13 at 2024-02-29 08:36:00 UTC

  746 08:36:00.694104  POST: Unexpected post code in previous boot: 0x98

  747 08:36:00.701108  ELOG: Event(A3) added with size 11 at 2024-02-29 08:36:00 UTC

  748 08:36:00.707386  ELOG: Event(AA) added with size 11 at 2024-02-29 08:36:00 UTC

  749 08:36:00.710648  FMAP: area UNIFIED_MRC_CACHE found @ 400000 (135168 bytes)

  750 08:36:00.717329  SPI flash protection: WPSW=0 SRP0=0

  751 08:36:00.720974  MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'.

  752 08:36:00.727376  BS: BS_DEV_ENUMERATE times (us): entry 0 run 703257 exit 96609

  753 08:36:00.730905  found VGA at PCI: 00:02.0

  754 08:36:00.734021  Setting up VGA for PCI: 00:02.0

  755 08:36:00.737448  Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000

  756 08:36:00.743767  Setting PCI_BRIDGE_CTL_VGA for bridge Root Device

  757 08:36:00.743851  Allocating resources...

  758 08:36:00.747426  Reading resources...

  759 08:36:00.750708  Root Device read_resources bus 0 link: 0

  760 08:36:00.757134  CPU_CLUSTER: 0 read_resources bus 0 link: 0

  761 08:36:00.760602  CPU_CLUSTER: 0 read_resources bus 0 link: 0 done

  762 08:36:00.767167  DOMAIN: 0000 read_resources bus 0 link: 0

  763 08:36:00.770272  PCI: 00:0e.0 read_resources bus 0 link: 0

  764 08:36:00.777049  PCI: 00:0e.0 read_resources bus 0 link: 0 done

  765 08:36:00.780479  PCI: 00:14.0 read_resources bus 1 link: 0

  766 08:36:00.787072  PCI: 00:14.0 read_resources bus 1 link: 0 done

  767 08:36:00.790191  PCI: 00:16.0 read_resources bus 1 link: 0

  768 08:36:00.793799  PCI: 00:16.0 read_resources bus 1 link: 0 done

  769 08:36:00.800283  PCI: 00:16.2 read_resources bus 2 link: 0

  770 08:36:00.803428  PCI: 00:16.2 read_resources bus 2 link: 0 done

  771 08:36:00.806829  PCI: 00:16.3 read_resources bus 3 link: 0

  772 08:36:00.813420  PCI: 00:16.3 read_resources bus 3 link: 0 done

  773 08:36:00.816842  PCI: 00:17.0 read_resources bus 4 link: 0

  774 08:36:00.819981  PCI: 00:17.0 read_resources bus 4 link: 0 done

  775 08:36:00.826737  PCI: 00:17.1 read_resources bus 5 link: 0

  776 08:36:00.829841  PCI: 00:17.1 read_resources bus 5 link: 0 done

  777 08:36:00.833290  PCI: 00:1f.0 read_resources bus 0 link: 0

  778 08:36:00.839708  PCI: 00:1f.0 read_resources bus 0 link: 0 done

  779 08:36:00.843382  DOMAIN: 0000 read_resources bus 0 link: 0 done

  780 08:36:00.849820  Root Device read_resources bus 0 link: 0 done

  781 08:36:00.849903  Done reading resources.

  782 08:36:00.856542  Show resources in subtree (Root Device)...After reading.

  783 08:36:00.859862   Root Device child on link 0 CPU_CLUSTER: 0

  784 08:36:00.866508    CPU_CLUSTER: 0 child on link 0 APIC: 00

  785 08:36:00.866608     APIC: 00

  786 08:36:00.869784    DOMAIN: 0000 child on link 0 PCI: 00:00.0

  787 08:36:00.879705    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000

  788 08:36:00.889632    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100

  789 08:36:00.893135     PCI: 00:00.0

  790 08:36:00.903098     PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0

  791 08:36:00.909676     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

  792 08:36:00.919687     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2

  793 08:36:00.929359     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3

  794 08:36:00.939589     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5

  795 08:36:00.949599     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6

  796 08:36:00.959513     PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7

  797 08:36:00.969461     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8

  798 08:36:00.975931     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9

  799 08:36:00.986065     PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a

  800 08:36:00.995993     PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

  801 08:36:01.005735     PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c

  802 08:36:01.016055     PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d

  803 08:36:01.025736     PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e

  804 08:36:01.035798     PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f

  805 08:36:01.042496     PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10

  806 08:36:01.052347     PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11

  807 08:36:01.055881     PCI: 00:00.1

  808 08:36:01.065617     PCI: 00:00.1 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10

  809 08:36:01.065701     PCI: 00:00.2

  810 08:36:01.075614     PCI: 00:00.2 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 10

  811 08:36:01.088690     PCI: 00:00.2 resource base 0 size 800000 align 23 gran 23 limit ffffffffffffffff flags 201 index 18

  812 08:36:01.095514     PCI: 00:00.2 resource base 0 size 200 align 12 gran 9 limit ffffffffffffffff flags 201 index 20

  813 08:36:01.098766     PCI: 00:02.0

  814 08:36:01.108656     PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10

  815 08:36:01.118758     PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18

  816 08:36:01.128562     PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20

  817 08:36:01.128648     PCI: 00:03.0

  818 08:36:01.138630     PCI: 00:03.0 resource base 0 size 1000000 align 24 gran 24 limit 7fffffffff flags 201 index 10

  819 08:36:01.141794     PCI: 00:0d.0

  820 08:36:01.151706     PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10

  821 08:36:01.151792     PCI: 00:0d.1

  822 08:36:01.161802     PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10

  823 08:36:01.171746     PCI: 00:0d.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  824 08:36:01.181798     PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags c0000100 index 20

  825 08:36:01.181883     PCI: 00:0d.2

  826 08:36:01.191605     PCI: 00:0d.2 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10

  827 08:36:01.191691     PCI: 00:0d.3

  828 08:36:01.201664     PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10

  829 08:36:01.211684     PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 18

  830 08:36:01.215242     PCI: 00:0e.0 child on link 0 GENERIC: 0.0

  831 08:36:01.228158     PCI: 00:0e.0 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10

  832 08:36:01.238300     PCI: 00:0e.0 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 20

  833 08:36:01.238386      GENERIC: 0.0

  834 08:36:01.241299     PCI: 00:0f.0

  835 08:36:01.251481     PCI: 00:0f.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  836 08:36:01.251567     PCI: 00:0f.1

  837 08:36:01.261519     PCI: 00:0f.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  838 08:36:01.264618     PCI: 00:0f.2

  839 08:36:01.274782     PCI: 00:0f.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  840 08:36:01.274869     PCI: 00:11.0

  841 08:36:01.278250     PCI: 00:12.0

  842 08:36:01.278334     PCI: 00:13.0

  843 08:36:01.281366     PCI: 00:13.1

  844 08:36:01.281450     PCI: 00:13.2

  845 08:36:01.284599     PCI: 00:13.3

  846 08:36:01.287753     PCI: 00:14.0 child on link 0 PCI: 01:00.0

  847 08:36:01.298094     PCI: 00:14.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c

  848 08:36:01.307725     PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24

  849 08:36:01.314594     PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20

  850 08:36:01.317621      PCI: 01:00.0

  851 08:36:01.327555      PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10

  852 08:36:01.327640     PCI: 00:14.1

  853 08:36:01.331107     PCI: 00:15.0

  854 08:36:01.340994     PCI: 00:15.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10

  855 08:36:01.341080     PCI: 00:15.1

  856 08:36:01.347695     PCI: 00:16.0 child on link 0 I2C: 01:1a

  857 08:36:01.357605     PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  858 08:36:01.367781     PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  859 08:36:01.367867      I2C: 01:1a

  860 08:36:01.371218     PCI: 00:16.1

  861 08:36:01.380833     PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  862 08:36:01.390874     PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  863 08:36:01.394133     PCI: 00:16.2 child on link 0 I2C: 02:50

  864 08:36:01.404211     PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  865 08:36:01.413894     PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  866 08:36:01.417320      I2C: 02:50

  867 08:36:01.420658     PCI: 00:16.3 child on link 0 I2C: 03:10

  868 08:36:01.430572     PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  869 08:36:01.440397     PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  870 08:36:01.440483      I2C: 03:10

  871 08:36:01.444048      I2C: 03:39

  872 08:36:01.447158     PCI: 00:17.0 child on link 0 I2C: 04:15

  873 08:36:01.457181     PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  874 08:36:01.467246     PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  875 08:36:01.470282      I2C: 04:15

  876 08:36:01.470365      I2C: 04:2c

  877 08:36:01.473643     PCI: 00:17.1 child on link 0 I2C: 05:09

  878 08:36:01.483662     PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  879 08:36:01.493574     PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  880 08:36:01.496785      I2C: 05:09

  881 08:36:01.496862     PCI: 00:17.2

  882 08:36:01.500313     PCI: 00:17.3

  883 08:36:01.500417     PCI: 00:18.0

  884 08:36:01.510161     PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  885 08:36:01.520115     PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  886 08:36:01.523395     PCI: 00:18.1

  887 08:36:01.533611     PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  888 08:36:01.543537     PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  889 08:36:01.543616     PCI: 00:18.2

  890 08:36:01.553457     PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10

  891 08:36:01.563350     PCI: 00:18.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  892 08:36:01.566609     PCI: 00:18.3

  893 08:36:01.566685     PCI: 00:19.0

  894 08:36:01.576802     PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  895 08:36:01.586545     PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  896 08:36:01.589763     PCI: 00:19.1

  897 08:36:01.589841     PCI: 00:19.2

  898 08:36:01.593094     PCI: 00:1a.0

  899 08:36:01.593197     PCI: 00:1b.0

  900 08:36:01.603166     PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  901 08:36:01.613223     PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  902 08:36:01.616285     PCI: 00:1c.0

  903 08:36:01.626380     PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  904 08:36:01.636401     PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  905 08:36:01.636488     PCI: 00:1e.0

  906 08:36:01.642841     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

  907 08:36:01.696425     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

  908 08:36:01.696528      PNP: 0c09.0

  909 08:36:01.696785      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

  910 08:36:01.696855     PCI: 00:1f.1

  911 08:36:01.697106     PCI: 00:1f.1 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10

  912 08:36:01.697759     PCI: 00:1f.1 resource base 0 size 20 align 5 gran 5 limit ffff flags 100 index 20

  913 08:36:01.698060  DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff

  914 08:36:01.698158  PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff

  915 08:36:01.714352  PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done

  916 08:36:01.714453  PCI: 00:02.0 20 *  [0x0 - 0x3f] io

  917 08:36:01.714704  PCI: 00:1f.1 20 *  [0x40 - 0x5f] io

  918 08:36:01.720892  DOMAIN: 0000 io: base: 60 size: 60 align: 6 gran: 0 limit: ffff done

  919 08:36:01.724124  DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff

  920 08:36:01.727748  PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff

  921 08:36:01.737344  PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done

  922 08:36:01.743907  PCI: 00:14.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff

  923 08:36:01.747516  PCI: 01:00.0 10 *  [0x0 - 0x1fff] mem

  924 08:36:01.757392  PCI: 00:14.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done

  925 08:36:01.760877  PCI: 00:02.0 18 *  [0x0 - 0xfffffff] prefmem

  926 08:36:01.764195  PCI: 00:02.0 10 *  [0x10000000 - 0x10ffffff] mem

  927 08:36:01.770559  PCI: 00:03.0 10 *  [0x11000000 - 0x11ffffff] mem

  928 08:36:01.774070  PCI: 00:00.2 18 *  [0x12000000 - 0x127fffff] mem

  929 08:36:01.780557  PCI: 00:00.2 10 *  [0x12800000 - 0x128fffff] mem

  930 08:36:01.784155  PCI: 00:0e.0 20 *  [0x12900000 - 0x129fffff] mem

  931 08:36:01.790811  PCI: 00:14.0 20 *  [0x12a00000 - 0x12afffff] mem

  932 08:36:01.794063  PCI: 00:15.0 10 *  [0x12b00000 - 0x12b0ffff] mem

  933 08:36:01.800714  PCI: 00:00.1 10 *  [0x12b10000 - 0x12b17fff] mem

  934 08:36:01.804038  PCI: 00:0e.0 10 *  [0x12b18000 - 0x12b1bfff] mem

  935 08:36:01.810573  PCI: 00:0d.1 18 *  [0x12b1c000 - 0x12b1cfff] mem

  936 08:36:01.814141  PCI: 00:0d.2 10 *  [0x12b1d000 - 0x12b1dfff] mem

  937 08:36:01.820662  PCI: 00:0f.0 10 *  [0x12b1e000 - 0x12b1efff] mem

  938 08:36:01.823976  PCI: 00:0f.1 10 *  [0x12b1f000 - 0x12b1ffff] mem

  939 08:36:01.830649  PCI: 00:0f.2 10 *  [0x12b20000 - 0x12b20fff] mem

  940 08:36:01.833923  PCI: 00:16.0 10 *  [0x12b21000 - 0x12b21fff] mem

  941 08:36:01.840540  PCI: 00:16.0 18 *  [0x12b22000 - 0x12b22fff] mem

  942 08:36:01.843847  PCI: 00:16.1 10 *  [0x12b23000 - 0x12b23fff] mem

  943 08:36:01.847301  PCI: 00:16.1 18 *  [0x12b24000 - 0x12b24fff] mem

  944 08:36:01.854089  PCI: 00:16.2 10 *  [0x12b25000 - 0x12b25fff] mem

  945 08:36:01.857323  PCI: 00:16.2 18 *  [0x12b26000 - 0x12b26fff] mem

  946 08:36:01.864256  PCI: 00:16.3 10 *  [0x12b27000 - 0x12b27fff] mem

  947 08:36:01.867242  PCI: 00:16.3 18 *  [0x12b28000 - 0x12b28fff] mem

  948 08:36:01.874078  PCI: 00:17.0 10 *  [0x12b29000 - 0x12b29fff] mem

  949 08:36:01.877100  PCI: 00:17.0 18 *  [0x12b2a000 - 0x12b2afff] mem

  950 08:36:01.883826  PCI: 00:17.1 10 *  [0x12b2b000 - 0x12b2bfff] mem

  951 08:36:01.887128  PCI: 00:17.1 18 *  [0x12b2c000 - 0x12b2cfff] mem

  952 08:36:01.894042  PCI: 00:18.0 10 *  [0x12b2d000 - 0x12b2dfff] mem

  953 08:36:01.897167  PCI: 00:18.0 18 *  [0x12b2e000 - 0x12b2efff] mem

  954 08:36:01.903896  PCI: 00:18.1 10 *  [0x12b2f000 - 0x12b2ffff] mem

  955 08:36:01.907143  PCI: 00:18.1 18 *  [0x12b30000 - 0x12b30fff] mem

  956 08:36:01.913798  PCI: 00:18.2 18 *  [0x12b31000 - 0x12b31fff] mem

  957 08:36:01.917379  PCI: 00:19.0 10 *  [0x12b32000 - 0x12b32fff] mem

  958 08:36:01.923806  PCI: 00:19.0 18 *  [0x12b33000 - 0x12b33fff] mem

  959 08:36:01.927177  PCI: 00:1b.0 10 *  [0x12b34000 - 0x12b34fff] mem

  960 08:36:01.930607  PCI: 00:1b.0 18 *  [0x12b35000 - 0x12b35fff] mem

  961 08:36:01.937053  PCI: 00:1c.0 10 *  [0x12b36000 - 0x12b36fff] mem

  962 08:36:01.940364  PCI: 00:1c.0 18 *  [0x12b37000 - 0x12b37fff] mem

  963 08:36:01.947251  PCI: 00:00.2 20 *  [0x12b38000 - 0x12b381ff] mem

  964 08:36:01.950392  PCI: 00:1f.1 10 *  [0x12b39000 - 0x12b390ff] mem

  965 08:36:01.960319  DOMAIN: 0000 mem: base: 12b39100 size: 12b39100 align: 28 gran: 0 limit: ffffffff done

  966 08:36:01.963645  avoid_fixed_resources: DOMAIN: 0000

  967 08:36:01.970304  avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff

  968 08:36:01.976871  avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff

  969 08:36:01.983292  constrain_resources: PCI: 00:00.0 00 base e0000000 limit efffffff mem (fixed)

  970 08:36:01.990253  constrain_resources: PCI: 00:00.0 02 base 00000000 limit 0009ffff mem (fixed)

  971 08:36:02.000250  constrain_resources: PCI: 00:00.0 03 base 000c0000 limit 7affffff mem (fixed)

  972 08:36:02.006583  constrain_resources: PCI: 00:00.0 05 base 7b000000 limit 7b7fffff mem (fixed)

  973 08:36:02.013352  constrain_resources: PCI: 00:00.0 06 base 7b800000 limit 7fffffff mem (fixed)

  974 08:36:02.023228  constrain_resources: PCI: 00:0d.0 10 base d0000000 limit d0ffffff mem (fixed)

  975 08:36:02.029952  constrain_resources: PCI: 00:0d.1 20 base 00000400 limit 000004ff io (fixed)

  976 08:36:02.036577  constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed)

  977 08:36:02.043013  avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001000 limit 0000ffff

  978 08:36:02.052959  avoid_fixed_resources:@DOMAIN: 0000 10000100 base b0000000 limit cfffffff

  979 08:36:02.053062  Setting resources...

  980 08:36:02.059952  DOMAIN: 0000 io: base:1000 size:60 align:6 gran:0 limit:ffff

  981 08:36:02.062833  PCI: 00:02.0 20 *  [0x1000 - 0x103f] io

  982 08:36:02.069619  PCI: 00:1f.1 20 *  [0x1040 - 0x105f] io

  983 08:36:02.076202  DOMAIN: 0000 io: next_base: 1060 size: 60 align: 6 gran: 0 done

  984 08:36:02.079372  PCI: 00:14.0 io: base:ffff size:0 align:12 gran:12 limit:ffff

  985 08:36:02.086068  PCI: 00:14.0 io: next_base: ffff size: 0 align: 12 gran: 12 done

  986 08:36:02.095668  DOMAIN: 0000 mem: base:b0000000 size:12b39100 align:28 gran:0 limit:cfffffff

  987 08:36:02.098967  PCI: 00:02.0 18 *  [0xb0000000 - 0xbfffffff] prefmem

  988 08:36:02.105697  PCI: 00:02.0 10 *  [0xc0000000 - 0xc0ffffff] mem

  989 08:36:02.109079  PCI: 00:03.0 10 *  [0xc1000000 - 0xc1ffffff] mem

  990 08:36:02.115687  PCI: 00:00.2 18 *  [0xc2000000 - 0xc27fffff] mem

  991 08:36:02.118926  PCI: 00:00.2 10 *  [0xc2800000 - 0xc28fffff] mem

  992 08:36:02.125553  PCI: 00:0e.0 20 *  [0xc2900000 - 0xc29fffff] mem

  993 08:36:02.128725  PCI: 00:14.0 20 *  [0xc2a00000 - 0xc2afffff] mem

  994 08:36:02.135315  PCI: 00:15.0 10 *  [0xc2b00000 - 0xc2b0ffff] mem

  995 08:36:02.138818  PCI: 00:00.1 10 *  [0xc2b10000 - 0xc2b17fff] mem

  996 08:36:02.145091  PCI: 00:0e.0 10 *  [0xc2b18000 - 0xc2b1bfff] mem

  997 08:36:02.148741  PCI: 00:0d.1 18 *  [0xc2b1c000 - 0xc2b1cfff] mem

  998 08:36:02.155105  PCI: 00:0d.2 10 *  [0xc2b1d000 - 0xc2b1dfff] mem

  999 08:36:02.158626  PCI: 00:0f.0 10 *  [0xc2b1e000 - 0xc2b1efff] mem

 1000 08:36:02.164964  PCI: 00:0f.1 10 *  [0xc2b1f000 - 0xc2b1ffff] mem

 1001 08:36:02.168352  PCI: 00:0f.2 10 *  [0xc2b20000 - 0xc2b20fff] mem

 1002 08:36:02.174792  PCI: 00:16.0 10 *  [0xc2b21000 - 0xc2b21fff] mem

 1003 08:36:02.178262  PCI: 00:16.0 18 *  [0xc2b22000 - 0xc2b22fff] mem

 1004 08:36:02.185046  PCI: 00:16.1 10 *  [0xc2b23000 - 0xc2b23fff] mem

 1005 08:36:02.188275  PCI: 00:16.1 18 *  [0xc2b24000 - 0xc2b24fff] mem

 1006 08:36:02.194882  PCI: 00:16.2 10 *  [0xc2b25000 - 0xc2b25fff] mem

 1007 08:36:02.198076  PCI: 00:16.2 18 *  [0xc2b26000 - 0xc2b26fff] mem

 1008 08:36:02.201441  PCI: 00:16.3 10 *  [0xc2b27000 - 0xc2b27fff] mem

 1009 08:36:02.208132  PCI: 00:16.3 18 *  [0xc2b28000 - 0xc2b28fff] mem

 1010 08:36:02.211402  PCI: 00:17.0 10 *  [0xc2b29000 - 0xc2b29fff] mem

 1011 08:36:02.217855  PCI: 00:17.0 18 *  [0xc2b2a000 - 0xc2b2afff] mem

 1012 08:36:02.221400  PCI: 00:17.1 10 *  [0xc2b2b000 - 0xc2b2bfff] mem

 1013 08:36:02.227812  PCI: 00:17.1 18 *  [0xc2b2c000 - 0xc2b2cfff] mem

 1014 08:36:02.231434  PCI: 00:18.0 10 *  [0xc2b2d000 - 0xc2b2dfff] mem

 1015 08:36:02.237755  PCI: 00:18.0 18 *  [0xc2b2e000 - 0xc2b2efff] mem

 1016 08:36:02.241207  PCI: 00:18.1 10 *  [0xc2b2f000 - 0xc2b2ffff] mem

 1017 08:36:02.247557  PCI: 00:18.1 18 *  [0xc2b30000 - 0xc2b30fff] mem

 1018 08:36:02.251080  PCI: 00:18.2 18 *  [0xc2b31000 - 0xc2b31fff] mem

 1019 08:36:02.257445  PCI: 00:19.0 10 *  [0xc2b32000 - 0xc2b32fff] mem

 1020 08:36:02.261075  PCI: 00:19.0 18 *  [0xc2b33000 - 0xc2b33fff] mem

 1021 08:36:02.267627  PCI: 00:1b.0 10 *  [0xc2b34000 - 0xc2b34fff] mem

 1022 08:36:02.270697  PCI: 00:1b.0 18 *  [0xc2b35000 - 0xc2b35fff] mem

 1023 08:36:02.277358  PCI: 00:1c.0 10 *  [0xc2b36000 - 0xc2b36fff] mem

 1024 08:36:02.280461  PCI: 00:1c.0 18 *  [0xc2b37000 - 0xc2b37fff] mem

 1025 08:36:02.287274  PCI: 00:00.2 20 *  [0xc2b38000 - 0xc2b381ff] mem

 1026 08:36:02.290478  PCI: 00:1f.1 10 *  [0xc2b39000 - 0xc2b390ff] mem

 1027 08:36:02.297424  DOMAIN: 0000 mem: next_base: c2b39100 size: 12b39100 align: 28 gran: 0 done

 1028 08:36:02.307060  PCI: 00:14.0 prefmem: base:cfffffff size:0 align:20 gran:20 limit:cfffffff

 1029 08:36:02.313818  PCI: 00:14.0 prefmem: next_base: cfffffff size: 0 align: 20 gran: 20 done

 1030 08:36:02.320249  PCI: 00:14.0 mem: base:c2a00000 size:100000 align:20 gran:20 limit:c2afffff

 1031 08:36:02.326990  PCI: 01:00.0 10 *  [0xc2a00000 - 0xc2a01fff] mem

 1032 08:36:02.333591  PCI: 00:14.0 mem: next_base: c2a02000 size: 100000 align: 20 gran: 20 done

 1033 08:36:02.336916  Root Device assign_resources, bus 0 link: 0

 1034 08:36:02.343483  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1035 08:36:02.350300  PCI: 00:00.1 10 <- [0x00c2b10000 - 0x00c2b17fff] size 0x00008000 gran 0x0f mem64

 1036 08:36:02.356645  PCI: 00:00.2 10 <- [0x00c2800000 - 0x00c28fffff] size 0x00100000 gran 0x14 mem64

 1037 08:36:02.366859  PCI: 00:00.2 18 <- [0x00c2000000 - 0x00c27fffff] size 0x00800000 gran 0x17 mem64

 1038 08:36:02.373185  PCI: 00:00.2 20 <- [0x00c2b38000 - 0x00c2b381ff] size 0x00000200 gran 0x09 mem64

 1039 08:36:02.383409  PCI: 00:02.0 10 <- [0x00c0000000 - 0x00c0ffffff] size 0x01000000 gran 0x18 mem64

 1040 08:36:02.390042  PCI: 00:02.0 18 <- [0x00b0000000 - 0x00bfffffff] size 0x10000000 gran 0x1c prefmem64

 1041 08:36:02.399900  PCI: 00:02.0 20 <- [0x0000001000 - 0x000000103f] size 0x00000040 gran 0x06 io

 1042 08:36:02.406635  PCI: 00:03.0 10 <- [0x00c1000000 - 0x00c1ffffff] size 0x01000000 gran 0x18 mem64

 1043 08:36:02.412982  PCI: 00:0d.1 18 <- [0x00c2b1c000 - 0x00c2b1cfff] size 0x00001000 gran 0x0c mem64

 1044 08:36:02.422888  PCI: 00:0d.1 10 <- [0x00fe042000 - 0x00fe043fff] size 0x00002000 gran 0x00 mem PMC BAR

 1045 08:36:02.432938  PCI: 00:0d.1 20 <- [0x0000000400 - 0x00000004ff] size 0x00000100 gran 0x00 io ACPI BAR

 1046 08:36:02.439579  PCI: 00:0d.2 10 <- [0x00c2b1d000 - 0x00c2b1dfff] size 0x00001000 gran 0x0c mem

 1047 08:36:02.449373  PCI: 00:0d.3 10 <- [0x00fe900000 - 0x00fe901fff] size 0x00002000 gran 0x00 mem SRAM BAR 0

 1048 08:36:02.456140  PCI: 00:0d.3 18 <- [0x00fe902000 - 0x00fe902fff] size 0x00001000 gran 0x00 mem SRAM BAR 2

 1049 08:36:02.466183  PCI: 00:0e.0 10 <- [0x00c2b18000 - 0x00c2b1bfff] size 0x00004000 gran 0x0e mem64

 1050 08:36:02.472563  PCI: 00:0e.0 20 <- [0x00c2900000 - 0x00c29fffff] size 0x00100000 gran 0x14 mem64

 1051 08:36:02.479150  PCI: 00:0e.0 assign_resources, bus 0 link: 0

 1052 08:36:02.482654  PCI: 00:0e.0 assign_resources, bus 0 link: 0

 1053 08:36:02.492361  PCI: 00:0f.0 10 <- [0x00c2b1e000 - 0x00c2b1efff] size 0x00001000 gran 0x0c mem64

 1054 08:36:02.499176  PCI: 00:0f.1 10 <- [0x00c2b1f000 - 0x00c2b1ffff] size 0x00001000 gran 0x0c mem64

 1055 08:36:02.508805  PCI: 00:0f.2 10 <- [0x00c2b20000 - 0x00c2b20fff] size 0x00001000 gran 0x0c mem64

 1056 08:36:02.515606  PCI: 00:14.0 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 01 io

 1057 08:36:02.525438  PCI: 00:14.0 24 <- [0x00cfffffff - 0x00cffffffe] size 0x00000000 gran 0x14 bus 01 prefmem

 1058 08:36:02.535198  PCI: 00:14.0 20 <- [0x00c2a00000 - 0x00c2afffff] size 0x00100000 gran 0x14 bus 01 mem

 1059 08:36:02.538681  PCI: 00:14.0 assign_resources, bus 1 link: 0

 1060 08:36:02.545078  PCI: 01:00.0 10 <- [0x00c2a00000 - 0x00c2a01fff] size 0x00002000 gran 0x0d mem64

 1061 08:36:02.551764  PCI: 00:14.0 assign_resources, bus 1 link: 0

 1062 08:36:02.558427  PCI: 00:15.0 10 <- [0x00c2b00000 - 0x00c2b0ffff] size 0x00010000 gran 0x10 mem64

 1063 08:36:02.568107  PCI: 00:16.0 10 <- [0x00c2b21000 - 0x00c2b21fff] size 0x00001000 gran 0x0c mem64

 1064 08:36:02.574655  PCI: 00:16.0 18 <- [0x00c2b22000 - 0x00c2b22fff] size 0x00001000 gran 0x0c mem64

 1065 08:36:02.581344  PCI: 00:16.0 assign_resources, bus 1 link: 0

 1066 08:36:02.584709  PCI: 00:16.0 assign_resources, bus 1 link: 0

 1067 08:36:02.594865  PCI: 00:16.1 10 <- [0x00c2b23000 - 0x00c2b23fff] size 0x00001000 gran 0x0c mem64

 1068 08:36:02.601400  PCI: 00:16.1 18 <- [0x00c2b24000 - 0x00c2b24fff] size 0x00001000 gran 0x0c mem64

 1069 08:36:02.607694  PCI: 00:16.2 10 <- [0x00c2b25000 - 0x00c2b25fff] size 0x00001000 gran 0x0c mem64

 1070 08:36:02.617681  PCI: 00:16.2 18 <- [0x00c2b26000 - 0x00c2b26fff] size 0x00001000 gran 0x0c mem64

 1071 08:36:02.621242  PCI: 00:16.2 assign_resources, bus 2 link: 0

 1072 08:36:02.627586  PCI: 00:16.2 assign_resources, bus 2 link: 0

 1073 08:36:02.634412  PCI: 00:16.3 10 <- [0x00c2b27000 - 0x00c2b27fff] size 0x00001000 gran 0x0c mem64

 1074 08:36:02.644297  PCI: 00:16.3 18 <- [0x00c2b28000 - 0x00c2b28fff] size 0x00001000 gran 0x0c mem64

 1075 08:36:02.647518  PCI: 00:16.3 assign_resources, bus 3 link: 0

 1076 08:36:02.650537  PCI: 00:16.3 assign_resources, bus 3 link: 0

 1077 08:36:02.660491  PCI: 00:17.0 10 <- [0x00c2b29000 - 0x00c2b29fff] size 0x00001000 gran 0x0c mem64

 1078 08:36:02.667182  PCI: 00:17.0 18 <- [0x00c2b2a000 - 0x00c2b2afff] size 0x00001000 gran 0x0c mem64

 1079 08:36:02.673762  PCI: 00:17.0 assign_resources, bus 4 link: 0

 1080 08:36:02.677141  PCI: 00:17.0 assign_resources, bus 4 link: 0

 1081 08:36:02.687020  PCI: 00:17.1 10 <- [0x00c2b2b000 - 0x00c2b2bfff] size 0x00001000 gran 0x0c mem64

 1082 08:36:02.693591  PCI: 00:17.1 18 <- [0x00c2b2c000 - 0x00c2b2cfff] size 0x00001000 gran 0x0c mem64

 1083 08:36:02.697066  PCI: 00:17.1 assign_resources, bus 5 link: 0

 1084 08:36:02.703398  PCI: 00:17.1 assign_resources, bus 5 link: 0

 1085 08:36:02.710040  PCI: 00:18.0 10 <- [0x00c2b2d000 - 0x00c2b2dfff] size 0x00001000 gran 0x0c mem64

 1086 08:36:02.719947  PCI: 00:18.0 18 <- [0x00c2b2e000 - 0x00c2b2efff] size 0x00001000 gran 0x0c mem64

 1087 08:36:02.726655  PCI: 00:18.1 10 <- [0x00c2b2f000 - 0x00c2b2ffff] size 0x00001000 gran 0x0c mem64

 1088 08:36:02.736384  PCI: 00:18.1 18 <- [0x00c2b30000 - 0x00c2b30fff] size 0x00001000 gran 0x0c mem64

 1089 08:36:02.743257  PCI: 00:18.2 18 <- [0x00c2b31000 - 0x00c2b31fff] size 0x00001000 gran 0x0c mem64

 1090 08:36:02.753119  PCI: 00:19.0 10 <- [0x00c2b32000 - 0x00c2b32fff] size 0x00001000 gran 0x0c mem64

 1091 08:36:02.759735  PCI: 00:19.0 18 <- [0x00c2b33000 - 0x00c2b33fff] size 0x00001000 gran 0x0c mem64

 1092 08:36:02.769654  PCI: 00:1b.0 10 <- [0x00c2b34000 - 0x00c2b34fff] size 0x00001000 gran 0x0c mem64

 1093 08:36:02.776142  PCI: 00:1b.0 18 <- [0x00c2b35000 - 0x00c2b35fff] size 0x00001000 gran 0x0c mem64

 1094 08:36:02.783070  PCI: 00:1c.0 10 <- [0x00c2b36000 - 0x00c2b36fff] size 0x00001000 gran 0x0c mem64

 1095 08:36:02.792809  PCI: 00:1c.0 18 <- [0x00c2b37000 - 0x00c2b37fff] size 0x00001000 gran 0x0c mem64

 1096 08:36:02.795909  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1097 08:36:02.799338  PNP: 0c09.0 missing set_resources

 1098 08:36:02.806241  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1099 08:36:02.809342  LPC: Trying to open IO window from 800 size 1ff

 1100 08:36:02.815967  LPC: Opened IO window LGIR3: base 800 size 100

 1101 08:36:02.819199  LPC: Cannot open IO window: 900 size ff

 1102 08:36:02.819280  No more IO windows

 1103 08:36:02.829380  PCI: 00:1f.1 10 <- [0x00c2b39000 - 0x00c2b390ff] size 0x00000100 gran 0x08 mem64

 1104 08:36:02.835850  PCI: 00:1f.1 20 <- [0x0000001040 - 0x000000105f] size 0x00000020 gran 0x05 io

 1105 08:36:02.842264  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1106 08:36:02.845766  Root Device assign_resources, bus 0 link: 0

 1107 08:36:02.849260  Done setting resources.

 1108 08:36:02.855592  Show resources in subtree (Root Device)...After assigning values.

 1109 08:36:02.858729   Root Device child on link 0 CPU_CLUSTER: 0

 1110 08:36:02.862353    CPU_CLUSTER: 0 child on link 0 APIC: 00

 1111 08:36:02.865330     APIC: 00

 1112 08:36:02.868920    DOMAIN: 0000 child on link 0 PCI: 00:00.0

 1113 08:36:02.878624    DOMAIN: 0000 resource base 1000 size 60 align 6 gran 0 limit ffff flags 40040100 index 10000000

 1114 08:36:02.888767    DOMAIN: 0000 resource base b0000000 size 12b39100 align 28 gran 0 limit cfffffff flags 40040200 index 10000100

 1115 08:36:02.892095     PCI: 00:00.0

 1116 08:36:02.901803     PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0

 1117 08:36:02.911735     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

 1118 08:36:02.918439     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2

 1119 08:36:02.928376     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3

 1120 08:36:02.938072     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5

 1121 08:36:02.948349     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6

 1122 08:36:02.958125     PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7

 1123 08:36:02.968065     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8

 1124 08:36:02.978862     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9

 1125 08:36:02.987956     PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a

 1126 08:36:02.994364     PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

 1127 08:36:03.004118     PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c

 1128 08:36:03.014072     PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d

 1129 08:36:03.024083     PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e

 1130 08:36:03.034247     PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f

 1131 08:36:03.044054     PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10

 1132 08:36:03.053995     PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11

 1133 08:36:03.054077     PCI: 00:00.1

 1134 08:36:03.063809     PCI: 00:00.1 resource base c2b10000 size 8000 align 15 gran 15 limit c2b17fff flags 60000201 index 10

 1135 08:36:03.067380     PCI: 00:00.2

 1136 08:36:03.077218     PCI: 00:00.2 resource base c2800000 size 100000 align 20 gran 20 limit c28fffff flags 60000201 index 10

 1137 08:36:03.086945     PCI: 00:00.2 resource base c2000000 size 800000 align 23 gran 23 limit c27fffff flags 60000201 index 18

 1138 08:36:03.097058     PCI: 00:00.2 resource base c2b38000 size 200 align 12 gran 9 limit c2b381ff flags 60000201 index 20

 1139 08:36:03.100236     PCI: 00:02.0

 1140 08:36:03.110030     PCI: 00:02.0 resource base c0000000 size 1000000 align 24 gran 24 limit c0ffffff flags 60000201 index 10

 1141 08:36:03.120035     PCI: 00:02.0 resource base b0000000 size 10000000 align 28 gran 28 limit bfffffff flags 60001201 index 18

 1142 08:36:03.130051     PCI: 00:02.0 resource base 1000 size 40 align 6 gran 6 limit 103f flags 60000100 index 20

 1143 08:36:03.133331     PCI: 00:03.0

 1144 08:36:03.143109     PCI: 00:03.0 resource base c1000000 size 1000000 align 24 gran 24 limit c1ffffff flags 60000201 index 10

 1145 08:36:03.143194     PCI: 00:0d.0

 1146 08:36:03.153080     PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10

 1147 08:36:03.156431     PCI: 00:0d.1

 1148 08:36:03.166426     PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10

 1149 08:36:03.176265     PCI: 00:0d.1 resource base c2b1c000 size 1000 align 12 gran 12 limit c2b1cfff flags 60000201 index 18

 1150 08:36:03.186314     PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags e0000100 index 20

 1151 08:36:03.186398     PCI: 00:0d.2

 1152 08:36:03.196203     PCI: 00:0d.2 resource base c2b1d000 size 1000 align 12 gran 12 limit c2b1dfff flags 60000200 index 10

 1153 08:36:03.199367     PCI: 00:0d.3

 1154 08:36:03.209354     PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10

 1155 08:36:03.216097     PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 18

 1156 08:36:03.222805     PCI: 00:0e.0 child on link 0 GENERIC: 0.0

 1157 08:36:03.232615     PCI: 00:0e.0 resource base c2b18000 size 4000 align 14 gran 14 limit c2b1bfff flags 60000201 index 10

 1158 08:36:03.242596     PCI: 00:0e.0 resource base c2900000 size 100000 align 20 gran 20 limit c29fffff flags 60000201 index 20

 1159 08:36:03.246046      GENERIC: 0.0

 1160 08:36:03.246129     PCI: 00:0f.0

 1161 08:36:03.255841     PCI: 00:0f.0 resource base c2b1e000 size 1000 align 12 gran 12 limit c2b1efff flags 60000201 index 10

 1162 08:36:03.259202     PCI: 00:0f.1

 1163 08:36:03.269254     PCI: 00:0f.1 resource base c2b1f000 size 1000 align 12 gran 12 limit c2b1ffff flags 60000201 index 10

 1164 08:36:03.269336     PCI: 00:0f.2

 1165 08:36:03.279180     PCI: 00:0f.2 resource base c2b20000 size 1000 align 12 gran 12 limit c2b20fff flags 60000201 index 10

 1166 08:36:03.282373     PCI: 00:11.0

 1167 08:36:03.282456     PCI: 00:12.0

 1168 08:36:03.285695     PCI: 00:13.0

 1169 08:36:03.285776     PCI: 00:13.1

 1170 08:36:03.289108     PCI: 00:13.2

 1171 08:36:03.292377     PCI: 00:13.3

 1172 08:36:03.295528     PCI: 00:14.0 child on link 0 PCI: 01:00.0

 1173 08:36:03.305430     PCI: 00:14.0 resource base ffff size 0 align 12 gran 12 limit ffff flags 60080102 index 1c

 1174 08:36:03.315195     PCI: 00:14.0 resource base cfffffff size 0 align 20 gran 20 limit cfffffff flags 60081202 index 24

 1175 08:36:03.325240     PCI: 00:14.0 resource base c2a00000 size 100000 align 20 gran 20 limit c2afffff flags 60080202 index 20

 1176 08:36:03.328334      PCI: 01:00.0

 1177 08:36:03.338276      PCI: 01:00.0 resource base c2a00000 size 2000 align 13 gran 13 limit c2a01fff flags 60000201 index 10

 1178 08:36:03.338363     PCI: 00:14.1

 1179 08:36:03.341917     PCI: 00:15.0

 1180 08:36:03.351421     PCI: 00:15.0 resource base c2b00000 size 10000 align 16 gran 16 limit c2b0ffff flags 60000201 index 10

 1181 08:36:03.351523     PCI: 00:15.1

 1182 08:36:03.358044     PCI: 00:16.0 child on link 0 I2C: 01:1a

 1183 08:36:03.367985     PCI: 00:16.0 resource base c2b21000 size 1000 align 12 gran 12 limit c2b21fff flags 60000201 index 10

 1184 08:36:03.377873     PCI: 00:16.0 resource base c2b22000 size 1000 align 12 gran 12 limit c2b22fff flags 60000201 index 18

 1185 08:36:03.377955      I2C: 01:1a

 1186 08:36:03.381379     PCI: 00:16.1

 1187 08:36:03.391110     PCI: 00:16.1 resource base c2b23000 size 1000 align 12 gran 12 limit c2b23fff flags 60000201 index 10

 1188 08:36:03.401056     PCI: 00:16.1 resource base c2b24000 size 1000 align 12 gran 12 limit c2b24fff flags 60000201 index 18

 1189 08:36:03.407942     PCI: 00:16.2 child on link 0 I2C: 02:50

 1190 08:36:03.417737     PCI: 00:16.2 resource base c2b25000 size 1000 align 12 gran 12 limit c2b25fff flags 60000201 index 10

 1191 08:36:03.427519     PCI: 00:16.2 resource base c2b26000 size 1000 align 12 gran 12 limit c2b26fff flags 60000201 index 18

 1192 08:36:03.427629      I2C: 02:50

 1193 08:36:03.434233     PCI: 00:16.3 child on link 0 I2C: 03:10

 1194 08:36:03.444010     PCI: 00:16.3 resource base c2b27000 size 1000 align 12 gran 12 limit c2b27fff flags 60000201 index 10

 1195 08:36:03.454255     PCI: 00:16.3 resource base c2b28000 size 1000 align 12 gran 12 limit c2b28fff flags 60000201 index 18

 1196 08:36:03.454337      I2C: 03:10

 1197 08:36:03.457403      I2C: 03:39

 1198 08:36:03.460694     PCI: 00:17.0 child on link 0 I2C: 04:15

 1199 08:36:03.470465     PCI: 00:17.0 resource base c2b29000 size 1000 align 12 gran 12 limit c2b29fff flags 60000201 index 10

 1200 08:36:03.480360     PCI: 00:17.0 resource base c2b2a000 size 1000 align 12 gran 12 limit c2b2afff flags 60000201 index 18

 1201 08:36:03.483887      I2C: 04:15

 1202 08:36:03.483975      I2C: 04:2c

 1203 08:36:03.490340     PCI: 00:17.1 child on link 0 I2C: 05:09

 1204 08:36:03.500073     PCI: 00:17.1 resource base c2b2b000 size 1000 align 12 gran 12 limit c2b2bfff flags 60000201 index 10

 1205 08:36:03.510218     PCI: 00:17.1 resource base c2b2c000 size 1000 align 12 gran 12 limit c2b2cfff flags 60000201 index 18

 1206 08:36:03.510300      I2C: 05:09

 1207 08:36:03.513663     PCI: 00:17.2

 1208 08:36:03.513746     PCI: 00:17.3

 1209 08:36:03.516738     PCI: 00:18.0

 1210 08:36:03.526768     PCI: 00:18.0 resource base c2b2d000 size 1000 align 12 gran 12 limit c2b2dfff flags 60000201 index 10

 1211 08:36:03.536653     PCI: 00:18.0 resource base c2b2e000 size 1000 align 12 gran 12 limit c2b2efff flags 60000201 index 18

 1212 08:36:03.539836     PCI: 00:18.1

 1213 08:36:03.549716     PCI: 00:18.1 resource base c2b2f000 size 1000 align 12 gran 12 limit c2b2ffff flags 60000201 index 10

 1214 08:36:03.559578     PCI: 00:18.1 resource base c2b30000 size 1000 align 12 gran 12 limit c2b30fff flags 60000201 index 18

 1215 08:36:03.559676     PCI: 00:18.2

 1216 08:36:03.569568     PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10

 1217 08:36:03.579642     PCI: 00:18.2 resource base c2b31000 size 1000 align 12 gran 12 limit c2b31fff flags 60000201 index 18

 1218 08:36:03.583059     PCI: 00:18.3

 1219 08:36:03.583142     PCI: 00:19.0

 1220 08:36:03.596370     PCI: 00:19.0 resource base c2b32000 size 1000 align 12 gran 12 limit c2b32fff flags 60000201 index 10

 1221 08:36:03.606022     PCI: 00:19.0 resource base c2b33000 size 1000 align 12 gran 12 limit c2b33fff flags 60000201 index 18

 1222 08:36:03.606105     PCI: 00:19.1

 1223 08:36:03.609331     PCI: 00:19.2

 1224 08:36:03.609411     PCI: 00:1a.0

 1225 08:36:03.612596     PCI: 00:1b.0

 1226 08:36:03.622518     PCI: 00:1b.0 resource base c2b34000 size 1000 align 12 gran 12 limit c2b34fff flags 60000201 index 10

 1227 08:36:03.632525     PCI: 00:1b.0 resource base c2b35000 size 1000 align 12 gran 12 limit c2b35fff flags 60000201 index 18

 1228 08:36:03.632608     PCI: 00:1c.0

 1229 08:36:03.645802     PCI: 00:1c.0 resource base c2b36000 size 1000 align 12 gran 12 limit c2b36fff flags 60000201 index 10

 1230 08:36:03.655593     PCI: 00:1c.0 resource base c2b37000 size 1000 align 12 gran 12 limit c2b37fff flags 60000201 index 18

 1231 08:36:03.655677     PCI: 00:1e.0

 1232 08:36:03.662401     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

 1233 08:36:03.668816     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

 1234 08:36:03.672309      PNP: 0c09.0

 1235 08:36:03.678668      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1236 08:36:03.682219     PCI: 00:1f.1

 1237 08:36:03.691746     PCI: 00:1f.1 resource base c2b39000 size 100 align 12 gran 8 limit c2b390ff flags 60000201 index 10

 1238 08:36:03.701708     PCI: 00:1f.1 resource base 1040 size 20 align 5 gran 5 limit 105f flags 60000100 index 20

 1239 08:36:03.705032  Done allocating resources.

 1240 08:36:03.708244  BS: BS_DEV_RESOURCES times (us): entry 0 run 2961949 exit 0

 1241 08:36:03.712033  Enabling resources...

 1242 08:36:03.715110  PCI: 00:00.0 cmd <- 07

 1243 08:36:03.718641  PCI: 00:00.1 subsystem <- 8086/5a8c

 1244 08:36:03.721818  PCI: 00:00.1 cmd <- 02

 1245 08:36:03.725253  PCI: 00:00.2 subsystem <- 8086/5a8e

 1246 08:36:03.728487  PCI: 00:00.2 cmd <- 06

 1247 08:36:03.731665  PCI: 00:02.0 cmd <- 03

 1248 08:36:03.734816  PCI: 00:03.0 subsystem <- 8086/5a88

 1249 08:36:03.734899  PCI: 00:03.0 cmd <- 02

 1250 08:36:03.738340  PCI: 00:0d.1 cmd <- 07

 1251 08:36:03.741865  PCI: 00:0d.2 subsystem <- 8086/5a96

 1252 08:36:03.744889  PCI: 00:0d.2 cmd <- 406

 1253 08:36:03.748318  PCI: 00:0d.3 cmd <- 06

 1254 08:36:03.751526  PCI: 00:0e.0 cmd <- 02

 1255 08:36:03.751609  PCI: 00:0f.0 cmd <- 06

 1256 08:36:03.754634  PCI: 00:0f.1 cmd <- 06

 1257 08:36:03.758130  PCI: 00:0f.2 cmd <- 06

 1258 08:36:03.761298  PCI: 00:14.0 bridge ctrl <- 0003

 1259 08:36:03.764675  PCI: 00:14.0 cmd <- 06

 1260 08:36:03.764757  PCI: 00:15.0 cmd <- 02

 1261 08:36:03.768197  PCI: 00:16.0 cmd <- 02

 1262 08:36:03.771341  PCI: 00:16.1 cmd <- 02

 1263 08:36:03.774875  PCI: 00:16.2 cmd <- 06

 1264 08:36:03.777988  PCI: 00:16.3 cmd <- 02

 1265 08:36:03.778070  PCI: 00:17.0 cmd <- 02

 1266 08:36:03.781199  PCI: 00:17.1 cmd <- 02

 1267 08:36:03.784634  PCI: 00:18.0 cmd <- 02

 1268 08:36:03.788004  PCI: 00:18.1 cmd <- 02

 1269 08:36:03.788084  PCI: 00:18.2 cmd <- 06

 1270 08:36:03.794359  PCI: 00:19.0 subsystem <- 8086/5ac2

 1271 08:36:03.794441  PCI: 00:19.0 cmd <- 02

 1272 08:36:03.797595  PCI: 00:1b.0 cmd <- 06

 1273 08:36:03.801152  PCI: 00:1c.0 subsystem <- 8086/5acc

 1274 08:36:03.804482  PCI: 00:1c.0 cmd <- 06

 1275 08:36:03.807789  PCI: 00:1f.0 cmd <- 07

 1276 08:36:03.810780  PCI: 00:1f.1 subsystem <- 8086/5ad4

 1277 08:36:03.814262  PCI: 00:1f.1 cmd <- 03

 1278 08:36:03.817440  PCI: 01:00.0 subsystem <- 8086/095a

 1279 08:36:03.820850  PCI: 01:00.0 cmd <- 02

 1280 08:36:03.824467  done.

 1281 08:36:03.827650  BS: BS_DEV_ENABLE times (us): entry 161 run 112759 exit 0

 1282 08:36:03.834214  FMAP: area FPF_STATUS found @ 42f000 (4096 bytes)

 1283 08:36:03.837820  Initializing devices...

 1284 08:36:03.837904  Root Device init ...

 1285 08:36:03.844197  Root Device init finished in 2144 usecs

 1286 08:36:03.844295  CPU_CLUSTER: 0 init ...

 1287 08:36:03.847388  MTRR: Physical address space:

 1288 08:36:03.854004  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1289 08:36:03.860778  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1290 08:36:03.867414  0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6

 1291 08:36:03.873782  0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0

 1292 08:36:03.880380  0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1

 1293 08:36:03.887217  0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0

 1294 08:36:03.893585  0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6

 1295 08:36:03.897058  MTRR: Fixed MSR 0x250 0x0606060606060606

 1296 08:36:03.900370  MTRR: Fixed MSR 0x258 0x0606060606060606

 1297 08:36:03.903518  MTRR: Fixed MSR 0x259 0x0000000000000000

 1298 08:36:03.910128  MTRR: Fixed MSR 0x268 0x0606060606060606

 1299 08:36:03.913458  MTRR: Fixed MSR 0x269 0x0606060606060606

 1300 08:36:03.917044  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1301 08:36:03.920014  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1302 08:36:03.926596  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1303 08:36:03.929908  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1304 08:36:03.933563  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1305 08:36:03.936620  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1306 08:36:03.940134  call enable_fixed_mtrr()

 1307 08:36:03.943328  CPU physical address size: 39 bits

 1308 08:36:03.950035  MTRR: default type WB/UC MTRR counts: 6/8.

 1309 08:36:03.953278  MTRR: WB selected as default type.

 1310 08:36:03.956745  MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0

 1311 08:36:03.963187  MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0

 1312 08:36:03.969643  MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0

 1313 08:36:03.976527  MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0

 1314 08:36:03.983099  MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1

 1315 08:36:03.989560  MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0

 1316 08:36:03.989650  

 1317 08:36:03.989712  MTRR check

 1318 08:36:03.992712  Fixed MTRRs   : Enabled

 1319 08:36:03.996248  Variable MTRRs: Enabled

 1320 08:36:03.996351  

 1321 08:36:03.999223  Detected 4 core, 4 thread CPU.

 1322 08:36:04.002650  Will perform SMM setup.

 1323 08:36:04.005863  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1324 08:36:04.009304  CBFS @ 205000 size 17b000

 1325 08:36:04.015831  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1326 08:36:04.019177  CBFS: Locating 'cpu_microcode_blob.bin'

 1327 08:36:04.022596  CBFS: Found @ offset 11d40 size 4000

 1328 08:36:04.025681  microcode: sig=0x506c9 pf=0x1 revision=0x2c

 1329 08:36:04.032339  CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz.

 1330 08:36:04.038765  Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130

 1331 08:36:04.045288  Processing 16 relocs. Offset value of 0x00030000

 1332 08:36:04.048908  Attempting to start 3 APs

 1333 08:36:04.052012  Waiting for 10ms after sending INIT.

 1334 08:36:04.066266  Waiting for 1st SIPI to complete...AP: slot 1 apic_id 6.

 1335 08:36:04.069155  AP: slot 2 apic_id 2.

 1336 08:36:04.072695  AP: slot 3 apic_id 4.

 1337 08:36:04.072792  done.

 1338 08:36:04.075781  Waiting for 2nd SIPI to complete...done.

 1339 08:36:04.082300  Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8

 1340 08:36:04.088992  Processing 12 relocs. Offset value of 0x00038000

 1341 08:36:04.095898  SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000)

 1342 08:36:04.098918  Installing SMM handler to 0x7b000000

 1343 08:36:04.105322  Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630

 1344 08:36:04.112039  Processing 229 relocs. Offset value of 0x7b010000

 1345 08:36:04.118561  Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8

 1346 08:36:04.125274  Processing 12 relocs. Offset value of 0x7b008000

 1347 08:36:04.132193  SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd

 1348 08:36:04.135179  SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd

 1349 08:36:04.141831  SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd

 1350 08:36:04.148455  SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000)

 1351 08:36:04.151738  Clearing SMI status registers

 1352 08:36:04.155067  New SMBASE 0x7afff800

 1353 08:36:04.155150  Relocation complete.

 1354 08:36:04.158549  New SMBASE 0x7afff400

 1355 08:36:04.161744  Relocation complete.

 1356 08:36:04.161826  New SMBASE 0x7b000000

 1357 08:36:04.165321  Relocation complete.

 1358 08:36:04.168495  New SMBASE 0x7afffc00

 1359 08:36:04.168578  Relocation complete.

 1360 08:36:04.171699  Initializing CPU #0

 1361 08:36:04.174977  CPU: vendor Intel device 506c9

 1362 08:36:04.178203  CPU: family 06, model 5c, stepping 09

 1363 08:36:04.181711  CPU #0 initialized

 1364 08:36:04.181793  Initializing CPU #2

 1365 08:36:04.185002  Initializing CPU #3

 1366 08:36:04.188036  Initializing CPU #1

 1367 08:36:04.191511  CPU: vendor Intel device 506c9

 1368 08:36:04.194885  CPU: family 06, model 5c, stepping 09

 1369 08:36:04.198190  CPU: vendor Intel device 506c9

 1370 08:36:04.201381  CPU: family 06, model 5c, stepping 09

 1371 08:36:04.204581  CPU: vendor Intel device 506c9

 1372 08:36:04.208028  CPU: family 06, model 5c, stepping 09

 1373 08:36:04.211259  CPU #1 initialized

 1374 08:36:04.211340  CPU #2 initialized

 1375 08:36:04.214657  CPU #3 initialized

 1376 08:36:04.214739  Enabling SMIs.

 1377 08:36:04.217911  MTRR: TEMPORARY Physical address space:

 1378 08:36:04.224507  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1379 08:36:04.231276  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1380 08:36:04.237837  0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6

 1381 08:36:04.244364  0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0

 1382 08:36:04.250864  0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5

 1383 08:36:04.257850  0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6

 1384 08:36:04.261227  MTRR: default type WB/UC MTRR counts: 10/8.

 1385 08:36:04.264144  MTRR: UC selected as default type.

 1386 08:36:04.270985  MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6

 1387 08:36:04.277709  MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6

 1388 08:36:04.284037  MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6

 1389 08:36:04.290584  MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6

 1390 08:36:04.297384  MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6

 1391 08:36:04.303930  MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0

 1392 08:36:04.307120  MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5

 1393 08:36:04.313890  MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6

 1394 08:36:04.320477  CPU_CLUSTER: 0 init finished in 469503 usecs

 1395 08:36:04.323752  PCI: 00:00.0 init ...

 1396 08:36:04.327113  PCI: 00:00.0 init finished in 2243 usecs

 1397 08:36:04.330443  PCI: 00:00.1 init ...

 1398 08:36:04.333770  PCI: 00:00.1 init finished in 2241 usecs

 1399 08:36:04.336930  PCI: 00:00.2 init ...

 1400 08:36:04.340124  PCI: 00:00.2 init finished in 2242 usecs

 1401 08:36:04.343760  PCI: 00:02.0 init ...

 1402 08:36:04.347164  PCI: 00:02.0 init finished in 2234 usecs

 1403 08:36:04.350031  PCI: 00:03.0 init ...

 1404 08:36:04.353228  PCI: 00:03.0 init finished in 2239 usecs

 1405 08:36:04.356646  PCI: 00:0d.1 init ...

 1406 08:36:04.359994  gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000

 1407 08:36:04.366532  gpe0_sts[1]: 0ead33f7 gpe0_en[1]: 00000000

 1408 08:36:04.369756  gpe0_sts[2]: 3ffd0024 gpe0_en[2]: 00000000

 1409 08:36:04.373214  gpe0_sts[3]: 800ec00e gpe0_en[3]: 00000000

 1410 08:36:04.377026  Disabling ACPI via APMC:Done.

 1411 08:36:04.383643  SLP S3 assertion width: 50000 usecs

 1412 08:36:04.386811  PCI: 00:0d.1 init finished in 27464 usecs

 1413 08:36:04.390029  PCI: 00:0d.2 init ...

 1414 08:36:04.393622  PCI: 00:0d.2 init finished in 2233 usecs

 1415 08:36:04.396752  PCI: 00:0f.0 init ...

 1416 08:36:04.399810  PCI: 00:0f.0 init finished in 2243 usecs

 1417 08:36:04.403268  PCI: 00:0f.1 init ...

 1418 08:36:04.406620  PCI: 00:0f.1 init finished in 2240 usecs

 1419 08:36:04.409801  PCI: 00:0f.2 init ...

 1420 08:36:04.413054  PCI: 00:0f.2 init finished in 2239 usecs

 1421 08:36:04.417378  PCI: 00:15.0 init ...

 1422 08:36:04.420683  PCI: 00:15.0 init finished in 2242 usecs

 1423 08:36:04.424193  PCI: 00:16.0 init ...

 1424 08:36:04.427435  LPSS I2C bus 0 at 0xc2b21000 (400 KHz)

 1425 08:36:04.434031  PCI: 00:16.0 init finished in 6141 usecs

 1426 08:36:04.434109  PCI: 00:16.1 init ...

 1427 08:36:04.440659  LPSS I2C bus 1 at 0xc2b23000 (400 KHz)

 1428 08:36:04.443891  PCI: 00:16.1 init finished in 6135 usecs

 1429 08:36:04.447085  PCI: 00:16.2 init ...

 1430 08:36:04.450570  LPSS I2C bus 2 at 0xc2b25000 (400 KHz)

 1431 08:36:04.453728  PCI: 00:16.2 init finished in 6141 usecs

 1432 08:36:04.456944  PCI: 00:16.3 init ...

 1433 08:36:04.460535  LPSS I2C bus 3 at 0xc2b27000 (400 KHz)

 1434 08:36:04.463652  PCI: 00:16.3 init finished in 6137 usecs

 1435 08:36:04.467134  PCI: 00:17.0 init ...

 1436 08:36:04.470404  LPSS I2C bus 4 at 0xc2b29000 (400 KHz)

 1437 08:36:04.473730  PCI: 00:17.0 init finished in 6137 usecs

 1438 08:36:04.476787  PCI: 00:17.1 init ...

 1439 08:36:04.480143  LPSS I2C bus 5 at 0xc2b2b000 (400 KHz)

 1440 08:36:04.486865  PCI: 00:17.1 init finished in 6139 usecs

 1441 08:36:04.490007  PCI: 00:19.0 init ...

 1442 08:36:04.493539  PCI: 00:19.0 init finished in 2240 usecs

 1443 08:36:04.496713  PCI: 00:1c.0 init ...

 1444 08:36:04.499828  PCI: 00:1c.0 init finished in 2240 usecs

 1445 08:36:04.503352  PCI: 00:1f.0 init ...

 1446 08:36:04.506321  RTC Init

 1447 08:36:04.509738  PCI: 00:1f.0 init finished in 3567 usecs

 1448 08:36:04.513207  PCI: 00:1f.1 init ...

 1449 08:36:04.516305  PCI: 00:1f.1 init finished in 2242 usecs

 1450 08:36:04.519817  PCI: 01:00.0 init ...

 1451 08:36:04.523016  PCI: 01:00.0 init finished in 2346 usecs

 1452 08:36:04.526621  PNP: 0c09.0 init ...

 1453 08:36:04.529738  Keyboard init...

 1454 08:36:04.546308  PS/2 keyboard initialized on primary channel

 1455 08:36:04.549354  Google Chrome EC: Initializing keyboard.

 1456 08:36:04.556193  Google Chrome EC: Hello got back 11223344 status (0)

 1457 08:36:04.559397  Google Chrome EC: version:

 1458 08:36:04.562654      ro: coral_v1.1.7292-04956f5df

 1459 08:36:04.566149      rw: coral_v1.1.7292-04956f5df

 1460 08:36:04.566220    running image: 1

 1461 08:36:04.572647  PNP: 0c09.0 init finished in 42270 usecs

 1462 08:36:04.572744  Devices initialized

 1463 08:36:04.575902  Show all devs... After init.

 1464 08:36:04.579203  Root Device: enabled 1

 1465 08:36:04.582494  CPU_CLUSTER: 0: enabled 1

 1466 08:36:04.582570  APIC: 00: enabled 1

 1467 08:36:04.585910  DOMAIN: 0000: enabled 1

 1468 08:36:04.589045  PCI: 00:00.0: enabled 1

 1469 08:36:04.592470  PCI: 00:00.1: enabled 1

 1470 08:36:04.592551  PCI: 00:00.2: enabled 1

 1471 08:36:04.595921  PCI: 00:02.0: enabled 1

 1472 08:36:04.599267  PCI: 00:03.0: enabled 1

 1473 08:36:04.599348  PCI: 00:0d.0: enabled 1

 1474 08:36:04.602464  PCI: 00:0d.1: enabled 1

 1475 08:36:04.605730  PCI: 00:0d.2: enabled 1

 1476 08:36:04.608869  PCI: 00:0d.3: enabled 1

 1477 08:36:04.608949  PCI: 00:0e.0: enabled 1

 1478 08:36:04.612217  GENERIC: 0.0: enabled 1

 1479 08:36:04.615797  PCI: 00:11.0: enabled 0

 1480 08:36:04.619179  PCI: 00:12.0: enabled 0

 1481 08:36:04.619260  PCI: 00:13.0: enabled 0

 1482 08:36:04.622417  PCI: 00:13.1: enabled 0

 1483 08:36:04.625652  PCI: 00:13.2: enabled 0

 1484 08:36:04.629078  PCI: 00:13.3: enabled 0

 1485 08:36:04.629186  PCI: 00:14.0: enabled 1

 1486 08:36:04.632273  PCI: 01:00.0: enabled 1

 1487 08:36:04.635422  PCI: 00:14.1: enabled 0

 1488 08:36:04.638625  PCI: 00:15.0: enabled 1

 1489 08:36:04.638705  PCI: 00:15.1: enabled 0

 1490 08:36:04.642252  PCI: 00:16.0: enabled 1

 1491 08:36:04.645398  I2C: 01:1a: enabled 1

 1492 08:36:04.645487  PCI: 00:16.1: enabled 1

 1493 08:36:04.648932  PCI: 00:16.2: enabled 1

 1494 08:36:04.652089  I2C: 02:50: enabled 1

 1495 08:36:04.655257  PCI: 00:16.3: enabled 1

 1496 08:36:04.655337  I2C: 03:10: enabled 1

 1497 08:36:04.658690  I2C: 03:39: enabled 1

 1498 08:36:04.662043  PCI: 00:17.0: enabled 1

 1499 08:36:04.662133  I2C: 04:15: enabled 1

 1500 08:36:04.665104  I2C: 04:2c: enabled 1

 1501 08:36:04.668597  PCI: 00:17.1: enabled 1

 1502 08:36:04.671795  I2C: 05:09: enabled 1

 1503 08:36:04.671875  PCI: 00:17.2: enabled 0

 1504 08:36:04.675042  PCI: 00:17.3: enabled 0

 1505 08:36:04.678366  PCI: 00:18.0: enabled 1

 1506 08:36:04.681742  PCI: 00:18.1: enabled 1

 1507 08:36:04.681823  PCI: 00:18.2: enabled 1

 1508 08:36:04.684958  PCI: 00:18.3: enabled 0

 1509 08:36:04.688292  PCI: 00:19.0: enabled 1

 1510 08:36:04.691417  PCI: 00:19.1: enabled 0

 1511 08:36:04.691530  PCI: 00:19.2: enabled 0

 1512 08:36:04.694718  PCI: 00:1a.0: enabled 0

 1513 08:36:04.698001  PCI: 00:1b.0: enabled 1

 1514 08:36:04.698074  PCI: 00:1c.0: enabled 1

 1515 08:36:04.701647  PCI: 00:1e.0: enabled 0

 1516 08:36:04.704770  PCI: 00:1f.0: enabled 1

 1517 08:36:04.708041  PNP: 0c09.0: enabled 1

 1518 08:36:04.708139  PCI: 00:1f.1: enabled 1

 1519 08:36:04.711363  PCI: 00:0f.0: enabled 1

 1520 08:36:04.714671  PCI: 00:0f.1: enabled 1

 1521 08:36:04.718124  PCI: 00:0f.2: enabled 1

 1522 08:36:04.718195  APIC: 06: enabled 1

 1523 08:36:04.721107  APIC: 02: enabled 1

 1524 08:36:04.724525  APIC: 04: enabled 1

 1525 08:36:04.730986  BS: BS_DEV_INIT times (us): entry 5004 run 884059 exit 898

 1526 08:36:04.737425  ELOG: Event(A1) added with size 10 at 2024-02-29 08:36:04 UTC

 1527 08:36:04.744167  elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b

 1528 08:36:04.750867  ELOG: Event(A0) added with size 9 at 2024-02-29 08:36:04 UTC

 1529 08:36:04.754361  elog_add_boot_reason: Logged dev mode boot

 1530 08:36:04.757497  Finalize devices...

 1531 08:36:04.757588  Devices finalized

 1532 08:36:04.764251  FMAP: area RW_NVRAM found @ 42a000 (20480 bytes)

 1533 08:36:04.770756  BS: BS_POST_DEVICE times (us): entry 24962 run 3958 exit 5282

 1534 08:36:04.777397  BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0

 1535 08:36:04.780621  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1536 08:36:04.784042  CBFS @ 205000 size 17b000

 1537 08:36:04.790307  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1538 08:36:04.793784  CBFS: Locating 'fallback/dsdt.aml'

 1539 08:36:04.797195  CBFS: Found @ offset b7600 size 2e40

 1540 08:36:04.800319  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1541 08:36:04.803838  CBFS @ 205000 size 17b000

 1542 08:36:04.810219  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1543 08:36:04.813646  CBFS: Locating 'fallback/slic'

 1544 08:36:04.816837  CBFS: 'fallback/slic' not found.

 1545 08:36:04.820252  ACPI: Writing ACPI tables at 7ab10000.

 1546 08:36:04.823530  ACPI:    * FACS

 1547 08:36:04.823624  ACPI:    * DSDT

 1548 08:36:04.826836  Ramoops buffer: 0x100000@0x7aa10000.

 1549 08:36:04.830284  ACPI:    * FADT

 1550 08:36:04.830355  SCI is IRQ9

 1551 08:36:04.836943  ACPI: added table 1/32, length now 40

 1552 08:36:04.837046  ACPI:     * SSDT

 1553 08:36:04.840103  Found 1 CPU(s) with 4 core(s) each.

 1554 08:36:04.843668  Turbo is available and visible

 1555 08:36:04.850107  PSS: 1101MHz power 6000 control 0x1900 status 0x1900

 1556 08:36:04.853289  PSS: 1100MHz power 6000 control 0xb00 status 0xb00

 1557 08:36:04.859849  PSS: 1000MHz power 5388 control 0xa00 status 0xa00

 1558 08:36:04.863379  PSS: 800MHz power 4213 control 0x800 status 0x800

 1559 08:36:04.869666  PSS: 1101MHz power 6000 control 0x1900 status 0x1900

 1560 08:36:04.873071  PSS: 1100MHz power 6000 control 0xb00 status 0xb00

 1561 08:36:04.880026  PSS: 1000MHz power 5388 control 0xa00 status 0xa00

 1562 08:36:04.886417  PSS: 800MHz power 4213 control 0x800 status 0x800

 1563 08:36:04.889717  PSS: 1101MHz power 6000 control 0x1900 status 0x1900

 1564 08:36:04.896277  PSS: 1100MHz power 6000 control 0xb00 status 0xb00

 1565 08:36:04.899786  PSS: 1000MHz power 5388 control 0xa00 status 0xa00

 1566 08:36:04.906319  PSS: 800MHz power 4213 control 0x800 status 0x800

 1567 08:36:04.909349  PSS: 1101MHz power 6000 control 0x1900 status 0x1900

 1568 08:36:04.916363  PSS: 1100MHz power 6000 control 0xb00 status 0xb00

 1569 08:36:04.919526  PSS: 1000MHz power 5388 control 0xa00 status 0xa00

 1570 08:36:04.925832  PSS: 800MHz power 4213 control 0x800 status 0x800

 1571 08:36:04.932686  \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier

 1572 08:36:04.935938  Error: Could not locate 'wifi_sar' in VPD

 1573 08:36:04.939214  Error: failed from getting SAR limits!

 1574 08:36:04.942383  \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0

 1575 08:36:04.949025  lpss_i2c: bad counts. hcnt = -8 lcnt = 14

 1576 08:36:04.955829  \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91

 1577 08:36:04.959089  lpss_i2c: bad counts. hcnt = -5 lcnt = 17

 1578 08:36:04.965747  \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50

 1579 08:36:04.969346  lpss_i2c: bad counts. hcnt = -1 lcnt = 77

 1580 08:36:04.972463  lpss_i2c: bad counts. hcnt = -23 lcnt = 32

 1581 08:36:04.979020  \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10

 1582 08:36:04.982347  \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39

 1583 08:36:04.988774  lpss_i2c: bad counts. hcnt = -1 lcnt = 72

 1584 08:36:04.991974  lpss_i2c: bad counts. hcnt = -23 lcnt = 27

 1585 08:36:04.995414  \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15

 1586 08:36:05.002099  \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c

 1587 08:36:05.005642  lpss_i2c: bad counts. hcnt = -5 lcnt = 4

 1588 08:36:05.011924  \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09

 1589 08:36:05.015263  ACPI: added table 2/32, length now 44

 1590 08:36:05.018406  ACPI:    * MCFG

 1591 08:36:05.021824  ACPI: added table 3/32, length now 48

 1592 08:36:05.021894  ACPI:    * TCPA

 1593 08:36:05.025055  TCPA log created at 7aa00000

 1594 08:36:05.028340  ACPI: added table 4/32, length now 52

 1595 08:36:05.031762  ACPI:    * MADT

 1596 08:36:05.031857  SCI is IRQ9

 1597 08:36:05.035305  ACPI: added table 5/32, length now 56

 1598 08:36:05.038524  current = 7ab14920

 1599 08:36:05.041578  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1600 08:36:05.044984  CBFS @ 205000 size 17b000

 1601 08:36:05.051504  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1602 08:36:05.055055  CBFS: Locating 'dmic-4ch-48khz-16b.bin'

 1603 08:36:05.058198  CBFS: Found @ offset 2e1c0 size be8

 1604 08:36:05.061674  Added 4CH DMIC array.

 1605 08:36:05.064613  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1606 08:36:05.068116  CBFS @ 205000 size 17b000

 1607 08:36:05.074622  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1608 08:36:05.078187  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1609 08:36:05.081408  CBFS: Found @ offset 2ef00 size 64

 1610 08:36:05.087779  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1611 08:36:05.091404  CBFS @ 205000 size 17b000

 1612 08:36:05.094470  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1613 08:36:05.097682  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1614 08:36:05.101132  CBFS: Found @ offset 2ef00 size 64

 1615 08:36:05.104327  Added Dialog_7219 codec.

 1616 08:36:05.111145  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1617 08:36:05.114306  CBFS @ 205000 size 17b000

 1618 08:36:05.117557  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1619 08:36:05.124267  CBFS: Locating 'max98357-render-2ch-48khz-24b.bin'

 1620 08:36:05.127656  CBFS: Found @ offset 2ee00 size 74

 1621 08:36:05.130853  Added Maxim_98357 codec.

 1622 08:36:05.130926  ACPI:    * NHLT

 1623 08:36:05.134253  ACPI: added table 6/32, length now 60

 1624 08:36:05.137329  ACPI:    * IGD OpRegion

 1625 08:36:05.137432  ACPI:    * HPET

 1626 08:36:05.144175  ACPI: added table 7/32, length now 64

 1627 08:36:05.144274  ACPI: done.

 1628 08:36:05.147352  ACPI tables: 30656 bytes.

 1629 08:36:05.150557  smbios_write_tables: 7a9fd000

 1630 08:36:05.150654  Create SMBIOS type 17

 1631 08:36:05.153917  Root Device (Google Coral)

 1632 08:36:05.157184  CPU_CLUSTER: 0 (Intel Apollolake SOC)

 1633 08:36:05.160770  APIC: 00 (Intel Apollolake SOC)

 1634 08:36:05.164031  DOMAIN: 0000 (Intel Apollolake SOC)

 1635 08:36:05.170538  PCI: 00:00.0 (Intel Apollolake SOC)

 1636 08:36:05.173723  PCI: 00:00.1 (Intel Apollolake SOC)

 1637 08:36:05.176971  PCI: 00:00.2 (Intel Apollolake SOC)

 1638 08:36:05.180592  PCI: 00:02.0 (Intel Apollolake SOC)

 1639 08:36:05.183621  PCI: 00:03.0 (Intel Apollolake SOC)

 1640 08:36:05.187301  PCI: 00:0d.0 (Intel Apollolake SOC)

 1641 08:36:05.190351  PCI: 00:0d.1 (Intel Apollolake SOC)

 1642 08:36:05.194036  PCI: 00:0d.2 (Intel Apollolake SOC)

 1643 08:36:05.197178  PCI: 00:0d.3 (Intel Apollolake SOC)

 1644 08:36:05.200301  PCI: 00:0e.0 (Intel Apollolake SOC)

 1645 08:36:05.207034  GENERIC: 0.0 (Maxim Integrated 98357A Amplifier)

 1646 08:36:05.210268  PCI: 00:11.0 (Intel Apollolake SOC)

 1647 08:36:05.213421  PCI: 00:12.0 (Intel Apollolake SOC)

 1648 08:36:05.216712  PCI: 00:13.0 (Intel Apollolake SOC)

 1649 08:36:05.220276  PCI: 00:13.1 (Intel Apollolake SOC)

 1650 08:36:05.223505  PCI: 00:13.2 (Intel Apollolake SOC)

 1651 08:36:05.226702  PCI: 00:13.3 (Intel Apollolake SOC)

 1652 08:36:05.233543  PCI: 00:14.0 (Intel Apollolake SOC)

 1653 08:36:05.233619  PCI: 01:00.0 (Intel WiFi)

 1654 08:36:05.236514  PCI: 00:14.1 (Intel Apollolake SOC)

 1655 08:36:05.243183  PCI: 00:15.0 (Intel Apollolake SOC)

 1656 08:36:05.246562  PCI: 00:15.1 (Intel Apollolake SOC)

 1657 08:36:05.249789  PCI: 00:16.0 (Intel Apollolake SOC)

 1658 08:36:05.253063  I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec)

 1659 08:36:05.256537  PCI: 00:16.1 (Intel Apollolake SOC)

 1660 08:36:05.262823  PCI: 00:16.2 (Intel Apollolake SOC)

 1661 08:36:05.262896  I2C: 02:50 (I2C TPM)

 1662 08:36:05.266078  PCI: 00:16.3 (Intel Apollolake SOC)

 1663 08:36:05.269455  I2C: 03:10 (I2C Device)

 1664 08:36:05.272806  I2C: 03:39 (I2C Device)

 1665 08:36:05.276209  PCI: 00:17.0 (Intel Apollolake SOC)

 1666 08:36:05.279222  I2C: 04:15 (I2C Device)

 1667 08:36:05.282691  I2C: 04:2c (I2C HID Device)

 1668 08:36:05.285992  PCI: 00:17.1 (Intel Apollolake SOC)

 1669 08:36:05.286066  I2C: 05:09 (I2C HID Device)

 1670 08:36:05.292551  PCI: 00:17.2 (Intel Apollolake SOC)

 1671 08:36:05.296208  PCI: 00:17.3 (Intel Apollolake SOC)

 1672 08:36:05.299179  PCI: 00:18.0 (Intel Apollolake SOC)

 1673 08:36:05.302808  PCI: 00:18.1 (Intel Apollolake SOC)

 1674 08:36:05.305711  PCI: 00:18.2 (Intel Apollolake SOC)

 1675 08:36:05.309233  PCI: 00:18.3 (Intel Apollolake SOC)

 1676 08:36:05.312424  PCI: 00:19.0 (Intel Apollolake SOC)

 1677 08:36:05.315728  PCI: 00:19.1 (Intel Apollolake SOC)

 1678 08:36:05.319160  PCI: 00:19.2 (Intel Apollolake SOC)

 1679 08:36:05.322649  PCI: 00:1a.0 (Intel Apollolake SOC)

 1680 08:36:05.329320  PCI: 00:1b.0 (Intel Apollolake SOC)

 1681 08:36:05.332499  PCI: 00:1c.0 (Intel Apollolake SOC)

 1682 08:36:05.335713  PCI: 00:1e.0 (Intel Apollolake SOC)

 1683 08:36:05.338976  PCI: 00:1f.0 (Intel Apollolake SOC)

 1684 08:36:05.342193  PNP: 0c09.0 (Google Chrome EC)

 1685 08:36:05.345756  PCI: 00:1f.1 (Intel Apollolake SOC)

 1686 08:36:05.348894  PCI: 00:0f.0 (unknown)

 1687 08:36:05.348988  PCI: 00:0f.1 (unknown)

 1688 08:36:05.352024  PCI: 00:0f.2 (unknown)

 1689 08:36:05.355481  APIC: 06 (unknown)

 1690 08:36:05.355550  APIC: 02 (unknown)

 1691 08:36:05.358711  APIC: 04 (unknown)

 1692 08:36:05.362208  SMBIOS tables: 839 bytes.

 1693 08:36:05.365321  Writing table forward entry at 0x00000500

 1694 08:36:05.372242  Wrote coreboot table at: 00000500, 0x10 bytes, checksum 452b

 1695 08:36:05.375383  Writing coreboot table at 0x7ab34000

 1696 08:36:05.381894   0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES

 1697 08:36:05.385037   1. 0000000000001000-000000000009ffff: RAM

 1698 08:36:05.388606   2. 00000000000a0000-00000000000fffff: RESERVED

 1699 08:36:05.395301   3. 0000000000100000-000000000fffffff: RAM

 1700 08:36:05.398578   4. 0000000010000000-0000000012150fff: RESERVED

 1701 08:36:05.401647   5. 0000000012151000-000000007a9fcfff: RAM

 1702 08:36:05.408571   6. 000000007a9fd000-000000007affffff: CONFIGURATION TABLES

 1703 08:36:05.415321   7. 000000007b000000-000000007fffffff: RESERVED

 1704 08:36:05.418384   8. 00000000d0000000-00000000d0ffffff: RESERVED

 1705 08:36:05.424878   9. 00000000e0000000-00000000efffffff: RESERVED

 1706 08:36:05.428251  10. 00000000fed10000-00000000fed17fff: RESERVED

 1707 08:36:05.431471  11. 0000000100000000-000000017fffffff: RAM

 1708 08:36:05.438227  Graphics framebuffer located at 0xb0000000

 1709 08:36:05.441388  Passing 6 GPIOs to payload:

 1710 08:36:05.444586              NAME |       PORT | POLARITY |     VALUE

 1711 08:36:05.451264     write protect |  undefined |     high |      high

 1712 08:36:05.454570          recovery |  undefined |     high |      high

 1713 08:36:05.461214               lid |  undefined |     high |       low

 1714 08:36:05.467977             power |  undefined |     high |      high

 1715 08:36:05.471004             oprom |  undefined |     high |      high

 1716 08:36:05.478049          EC in RW | 0x00000029 |     high |      high

 1717 08:36:05.481085  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1718 08:36:05.484485  CBFS @ 205000 size 17b000

 1719 08:36:05.490961  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1720 08:36:05.497688  Wrote coreboot table at: 7ab34000, 0x5f4 bytes, checksum c34c

 1721 08:36:05.497789  coreboot table: 1548 bytes.

 1722 08:36:05.500798  IMD ROOT    0. 7afff000 00001000

 1723 08:36:05.504009  IMD SMALL   1. 7affe000 00001000

 1724 08:36:05.507298  FSP MEMORY  2. 7abfe000 00400000

 1725 08:36:05.510844  CONSOLE     3. 7abde000 00020000

 1726 08:36:05.517247  TIME STAMP  4. 7abdd000 00000400

 1727 08:36:05.520785  VBOOT       5. 7abdc000 00000c0c

 1728 08:36:05.523838  MRC DATA    6. 7abd0000 0000b2d0

 1729 08:36:05.527345  ROMSTG STCK 7. 7abcf000 00000400

 1730 08:36:05.530482  AFTER CAR   8. 7abc5000 0000a000

 1731 08:36:05.533905  RAMSTAGE    9. 7ab77000 0004e000

 1732 08:36:05.536990  REFCODE    10. 7ab4d000 0002a000

 1733 08:36:05.540561  ACPI GNVS  11. 7ab4c000 00001000

 1734 08:36:05.543757  SMM BACKUP 12. 7ab3c000 00010000

 1735 08:36:05.547363  COREBOOT   13. 7ab34000 00008000

 1736 08:36:05.550527  ACPI       14. 7ab10000 00024000

 1737 08:36:05.553656  RAMOOPS    15. 7aa10000 00100000

 1738 08:36:05.557038  TCPA LOG   16. 7aa00000 00010000

 1739 08:36:05.560398  EXT VBT17. 7a9fe000 0000180a

 1740 08:36:05.563580  SMBIOS     18. 7a9fd000 00000800

 1741 08:36:05.563661  IMD small region:

 1742 08:36:05.567093    IMD ROOT    0. 7affec00 00000400

 1743 08:36:05.570268    FSP RUNTIME 1. 7affebe0 00000004

 1744 08:36:05.573319    VBOOT SEL   2. 7affebc0 00000008

 1745 08:36:05.576639    EC HOSTEVENT 3. 7affeba0 00000004

 1746 08:36:05.580168    POWER STATE 4. 7affeb60 00000040

 1747 08:36:05.586719    ROMSTAGE    5. 7affeb40 00000004

 1748 08:36:05.589975    VARMRC DATA 6. 7affeb00 00000028

 1749 08:36:05.593227    MEM INFO    7. 7affe9a0 00000141

 1750 08:36:05.596675    VPD         8. 7affe940 00000058

 1751 08:36:05.599797    GNVS PTR    9. 7affe920 00000004

 1752 08:36:05.606430  BS: BS_WRITE_TABLES times (us): entry 0 run 819099 exit 0

 1753 08:36:05.609794  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1754 08:36:05.613209  CBFS @ 205000 size 17b000

 1755 08:36:05.619808  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1756 08:36:05.623043  CBFS: Locating 'fallback/payload'

 1757 08:36:05.626159  CBFS: Found @ offset f6d00 size 36dd4

 1758 08:36:05.629670  Loading segment from ROM address 0xff37cd38

 1759 08:36:05.632816    code (compression=0)

 1760 08:36:05.639396    New segment dstaddr 0x30104040 memsize 0x251570 srcaddr 0xff37cd70 filesize 0x36d9c

 1761 08:36:05.645989  Loading segment from ROM address 0xff37cd54

 1762 08:36:05.649421    Entry Point 0x30104040

 1763 08:36:05.656210  Loading Segment: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c

 1764 08:36:05.662572  lb: [0x000000007ab78000, 0x000000007abc4bb0)

 1765 08:36:05.672692  Post relocation: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c

 1766 08:36:05.672800  it's not compressed!

 1767 08:36:05.700527  [ 0x30104040, 3013addc, 0x303555b0) <- ff37cd70

 1768 08:36:05.707184  Clearing Segment: addr: 0x000000003013addc memsz: 0x000000000021a7d4

 1769 08:36:05.713513  dest 30104040, end 303555b0, bouncebuffer ffffffff

 1770 08:36:05.713622  Loaded segments

 1771 08:36:05.726188  CSE FWSTS1: 0x80000245

 1772 08:36:05.729411  CSE FWSTS2: 0x3b850000

 1773 08:36:05.732626  CSE FWSTS3: 0x00000000

 1774 08:36:05.732724  CSE FWSTS4: 0x00080000

 1775 08:36:05.735796  CSE FWSTS5: 0x00000000

 1776 08:36:05.739119  CSE FWSTS6: 0x40000000

 1777 08:36:05.742675  ME: Manufacturing Mode      : NO

 1778 08:36:05.745875  ME: FPF status              : fused

 1779 08:36:05.752337  BS: BS_PAYLOAD_LOAD times (us): entry 172 run 108422 exit 31013

 1780 08:36:05.755497  Jumping to boot code at 30104040(7ab34000)

 1781 08:36:05.765348  CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes

 1782 08:36:05.765450  

 1783 08:36:05.765553  

 1784 08:36:05.765620  

 1785 08:36:05.768801  Starting depthcharge on coral...

 1786 08:36:05.768904  

 1787 08:36:05.769303  end: 2.2.3 depthcharge-start (duration 00:00:14) [common]
 1788 08:36:05.769436  start: 2.2.4 bootloader-commands (timeout 00:04:41) [common]
 1789 08:36:05.769599  Setting prompt string to ['coral:']
 1790 08:36:05.769690  bootloader-commands: Wait for prompt ['coral:'] (timeout 00:04:41)
 1791 08:36:05.775620  WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime!

 1792 08:36:05.775728  

 1793 08:36:05.785223  WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime!

 1794 08:36:05.785322  

 1795 08:36:05.785410  BIOS MMAP details:

 1796 08:36:05.785555  

 1797 08:36:05.788741  IFD Base Offset  : 0x1000

 1798 08:36:05.788811  

 1799 08:36:05.792006  IFD End Offset   : 0xf7f000

 1800 08:36:05.792076  

 1801 08:36:05.795542  MMAP Size        : 0xf7e000

 1802 08:36:05.795635  

 1803 08:36:05.798773  MMAP Start       : 0xff082000

 1804 08:36:05.798868  

 1805 08:36:05.802013  The GBB signature is at 0x30004040 and is:  24 47 42 42

 1806 08:36:05.806667  

 1807 08:36:05.809916  [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32

 1808 08:36:05.810021  

 1809 08:36:05.810110  

 1810 08:36:05.810197  

 1811 08:36:05.810514  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}']
 1813 08:36:05.910889  coral: enet dhcp

 1814 08:36:05.911074  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)
 1815 08:36:05.915196  enet dhcp

 1816 08:36:05.915322  

 1817 08:36:05.915416  Waiting for link

 1818 08:36:06.461889  

 1819 08:36:06.462040  R8152: Initializing

 1820 08:36:06.462109  

 1821 08:36:06.465077  Version 9 (ocp_data = 6010)

 1822 08:36:06.465193  

 1823 08:36:06.468481  R8152: Done initializing

 1824 08:36:06.468588  

 1825 08:36:06.471753  Adding net device

 1826 08:36:06.672855  

 1827 08:36:06.673039  done.

 1828 08:36:06.673138  

 1829 08:36:06.673234  MAC: 00:e0:4c:75:01:bd

 1830 08:36:06.673336  

 1831 08:36:06.676024  Sending DHCP discover... done.

 1832 08:36:06.676126  

 1833 08:36:06.679607  Waiting for reply... done.

 1834 08:36:06.679710  

 1835 08:36:06.682741  Sending DHCP request... done.

 1836 08:36:06.682837  

 1837 08:36:06.692958  Waiting for reply... done.

 1838 08:36:06.693038  

 1839 08:36:06.693101  My ip is 192.168.201.15

 1840 08:36:06.693160  

 1841 08:36:06.696286  The DHCP server ip is 192.168.201.1

 1842 08:36:06.699592  

 1843 08:36:06.699692  

 1845 08:36:06.800238  coral: tftpboot 192.168.201.1 12894230/tftp-deploy-3akf5sy4/kernel/bzImage 12894230/tftp-deploy-3akf5sy4/kernel/cmdline 12894230/tftp-deploy-3akf5sy4/ramdisk/ramdisk.cpio.gz

 1846 08:36:06.800394  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}']
 1847 08:36:06.800540  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)
 1848 08:36:06.804480  tftpboot 192.168.201.1 12894230/tftp-deploy-3akf5sy4/kernel/bzIploy-3akf5sy4/kernel/cmdline 12894230/tftp-deploy-3akf5sy4/ramdisk/ramdisk.cpio.gz

 1849 08:36:06.804594  

 1850 08:36:06.804687  Waiting for link

 1851 08:36:07.007465  

 1852 08:36:07.007596  done.

 1853 08:36:07.007664  

 1854 08:36:07.007724  MAC: 00:e0:4c:75:01:bd

 1855 08:36:07.007782  

 1856 08:36:07.010581  Sending DHCP discover... done.

 1857 08:36:07.010668  

 1858 08:36:07.014243  Waiting for reply... done.

 1859 08:36:07.014325  

 1860 08:36:07.017282  Sending DHCP request... done.

 1861 08:36:07.017389  

 1862 08:36:07.020656  Waiting for reply... done.

 1863 08:36:07.020766  

 1864 08:36:07.023858  My ip is 192.168.201.15

 1865 08:36:07.023938  

 1866 08:36:07.027430  The DHCP server ip is 192.168.201.1

 1867 08:36:07.027506  

 1868 08:36:07.034018  TFTP server IP predefined by user: 192.168.201.1

 1869 08:36:07.034093  

 1870 08:36:07.040576  Bootfile predefined by user: 12894230/tftp-deploy-3akf5sy4/kernel/bzImage

 1871 08:36:07.040659  

 1872 08:36:07.043746  Sending tftp read request... done.

 1873 08:36:07.043827  

 1874 08:36:07.046882  Waiting for the transfer... 

 1875 08:36:07.046997  

 1876 08:36:07.294125  00000000 ################################################################

 1877 08:36:07.294267  

 1878 08:36:07.532033  00080000 ################################################################

 1879 08:36:07.532177  

 1880 08:36:07.774348  00100000 ################################################################

 1881 08:36:07.774497  

 1882 08:36:08.012284  00180000 ################################################################

 1883 08:36:08.012430  

 1884 08:36:08.249844  00200000 ################################################################

 1885 08:36:08.249986  

 1886 08:36:08.489405  00280000 ################################################################

 1887 08:36:08.489577  

 1888 08:36:08.727236  00300000 ################################################################

 1889 08:36:08.727384  

 1890 08:36:08.965212  00380000 ################################################################

 1891 08:36:08.965353  

 1892 08:36:09.203531  00400000 ################################################################

 1893 08:36:09.203676  

 1894 08:36:09.441719  00480000 ################################################################

 1895 08:36:09.441856  

 1896 08:36:09.679923  00500000 ################################################################

 1897 08:36:09.680050  

 1898 08:36:09.918188  00580000 ################################################################

 1899 08:36:09.918324  

 1900 08:36:10.156807  00600000 ################################################################

 1901 08:36:10.156939  

 1902 08:36:10.394814  00680000 ################################################################

 1903 08:36:10.394944  

 1904 08:36:10.632981  00700000 ################################################################

 1905 08:36:10.633137  

 1906 08:36:10.870993  00780000 ################################################################

 1907 08:36:10.871124  

 1908 08:36:11.109870  00800000 ################################################################

 1909 08:36:11.109999  

 1910 08:36:11.349097  00880000 ################################################################

 1911 08:36:11.349250  

 1912 08:36:11.588537  00900000 ################################################################

 1913 08:36:11.588668  

 1914 08:36:11.822680  00980000 ################################################################

 1915 08:36:11.822817  

 1916 08:36:12.060930  00a00000 ################################################################

 1917 08:36:12.061085  

 1918 08:36:12.300172  00a80000 ################################################################

 1919 08:36:12.300340  

 1920 08:36:12.538655  00b00000 ################################################################

 1921 08:36:12.538792  

 1922 08:36:12.777785  00b80000 ################################################################

 1923 08:36:12.777937  

 1924 08:36:13.016290  00c00000 ################################################################

 1925 08:36:13.016426  

 1926 08:36:13.255641  00c80000 ################################################################

 1927 08:36:13.255778  

 1928 08:36:13.496576  00d00000 ################################################################

 1929 08:36:13.496709  

 1930 08:36:13.735622  00d80000 ################################################################

 1931 08:36:13.735757  

 1932 08:36:13.977240  00e00000 ################################################################

 1933 08:36:13.977380  

 1934 08:36:14.225826  00e80000 ################################################################

 1935 08:36:14.225975  

 1936 08:36:14.482538  00f00000 ################################################################

 1937 08:36:14.482663  

 1938 08:36:14.757335  00f80000 ################################################################

 1939 08:36:14.757512  

 1940 08:36:15.000207  01000000 ################################################################

 1941 08:36:15.000345  

 1942 08:36:15.253357  01080000 ################################################################

 1943 08:36:15.253534  

 1944 08:36:15.356517  01100000 ############################ done.

 1945 08:36:15.356646  

 1946 08:36:15.360065  The bootfile was 18050656 bytes long.

 1947 08:36:15.360147  

 1948 08:36:15.363283  Sending tftp read request... done.

 1949 08:36:15.363366  

 1950 08:36:15.366928  Waiting for the transfer... 

 1951 08:36:15.367015  

 1952 08:36:15.628961  00000000 ################################################################

 1953 08:36:15.629094  

 1954 08:36:15.869354  00080000 ################################################################

 1955 08:36:15.869536  

 1956 08:36:16.111451  00100000 ################################################################

 1957 08:36:16.111590  

 1958 08:36:16.355383  00180000 ################################################################

 1959 08:36:16.355531  

 1960 08:36:16.600263  00200000 ################################################################

 1961 08:36:16.600402  

 1962 08:36:16.840349  00280000 ################################################################

 1963 08:36:16.840500  

 1964 08:36:17.076505  00300000 ################################################################

 1965 08:36:17.076659  

 1966 08:36:17.316834  00380000 ################################################################

 1967 08:36:17.316972  

 1968 08:36:17.556377  00400000 ################################################################

 1969 08:36:17.556524  

 1970 08:36:17.796515  00480000 ################################################################

 1971 08:36:17.796647  

 1972 08:36:18.040636  00500000 ################################################################

 1973 08:36:18.040778  

 1974 08:36:18.284270  00580000 ################################################################

 1975 08:36:18.284407  

 1976 08:36:18.525665  00600000 ################################################################

 1977 08:36:18.525804  

 1978 08:36:18.767797  00680000 ################################################################

 1979 08:36:18.767933  

 1980 08:36:19.008788  00700000 ################################################################

 1981 08:36:19.008921  

 1982 08:36:19.249592  00780000 ################################################################

 1983 08:36:19.249737  

 1984 08:36:19.493220  00800000 ################################################################

 1985 08:36:19.493358  

 1986 08:36:19.734159  00880000 ################################################################

 1987 08:36:19.734296  

 1988 08:36:19.975685  00900000 ################################################################

 1989 08:36:19.975821  

 1990 08:36:20.214976  00980000 ################################################################ done.

 1991 08:36:20.215115  

 1992 08:36:20.218389  Sending tftp read request... done.

 1993 08:36:20.218473  

 1994 08:36:20.221452  Waiting for the transfer... 

 1995 08:36:20.221570  

 1996 08:36:20.225059  00000000 # done.

 1997 08:36:20.225142  

 1998 08:36:20.231378  Command line loaded dynamically from TFTP file: 12894230/tftp-deploy-3akf5sy4/kernel/cmdline

 1999 08:36:20.231473  

 2000 08:36:20.261187  The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12894230/extract-nfsrootfs-1di1a08z,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2001 08:36:20.271236  

 2002 08:36:20.275012  Shutting down all USB controllers.

 2003 08:36:20.275239  

 2004 08:36:20.275428  Removing current net device

 2005 08:36:20.275614  

 2006 08:36:20.278537  Finalizing Coreboot

 2007 08:36:20.278853  

 2008 08:36:20.285222  Exiting depthcharge with code 4 at timestamp: 21569331

 2009 08:36:20.285633  

 2010 08:36:20.286008  

 2011 08:36:20.286346  Starting kernel ...

 2012 08:36:20.286670  

 2013 08:36:20.286977  

 2014 08:36:20.288476  end: 2.2.4 bootloader-commands (duration 00:00:15) [common]
 2015 08:36:20.289050  start: 2.2.5 auto-login-action (timeout 00:04:27) [common]
 2016 08:36:20.289415  Setting prompt string to ['Linux version [0-9]']
 2017 08:36:20.289790  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}']
 2018 08:36:20.290147  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)
 2019 08:36:22.159154  

 2020 08:36:22.160128  start: 2.2.5.1 login-action (timeout 00:04:25) [common]
 2021 08:36:22.160549  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.
 2022 08:36:22.160912  Setting prompt string to []
 2023 08:36:22.161288  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']
 2024 08:36:22.161677  Using line separator: #'\n'#
 2025 08:36:22.161981  No login prompt set.
 2026 08:36:22.162282  Parsing kernel messages
 2027 08:36:22.162559  ['-\\[ 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']
 2028 08:36:22.163086  [login-action] Waiting for messages, (timeout 00:04:25)
 2029 08:36:22.163404  Waiting using forced prompt support (timeout 00:02:12)
 2030 08:36:22.179237  <5>[    0.000000] Linux version 5.10.209-cip44 (KernelCI@build-j124484-x86-64-gcc-10-x86-64-defconfig-x86-board-qwv4n) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Feb 29 08:18:41 UTC 2024

 2031 08:36:22.212110  <6>[    0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12894230/extract-nfsrootfs-1di1a08z,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2032 08:36:22.215209  <6>[    0.000000] BIOS-provided physical RAM map:

 2033 08:36:22.225421  <6>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16

 2034 08:36:22.232077  <6>[    0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable

 2035 08:36:22.238633  <6>[    0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved

 2036 08:36:22.248491  <6>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffffff] usable

 2037 08:36:22.255073  <6>[    0.000000] BIOS-e820: [mem 0x0000000010000000-0x0000000012150fff] reserved

 2038 08:36:22.264734  <6>[    0.000000] BIOS-e820: [mem 0x0000000012151000-0x000000007a9fcfff] usable

 2039 08:36:22.271711  <6>[    0.000000] BIOS-e820: [mem 0x000000007a9fd000-0x000000007affffff] type 16

 2040 08:36:22.281569  <6>[    0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved

 2041 08:36:22.287832  <6>[    0.000000] BIOS-e820: [mem 0x00000000d0000000-0x00000000d0ffffff] reserved

 2042 08:36:22.297868  <6>[    0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved

 2043 08:36:22.304622  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed17fff] reserved

 2044 08:36:22.311297  <6>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable

 2045 08:36:22.317732  <6>[    0.000000] NX (Execute Disable) protection: active

 2046 08:36:22.321172  <6>[    0.000000] SMBIOS 2.7 present.

 2047 08:36:22.328052  <6>[    0.000000] DMI: Google Coral/Coral, BIOS  09/29/2020

 2048 08:36:22.334054  <6>[    0.000000] tsc: Detected 1094.400 MHz processor

 2049 08:36:22.340714  <6>[    0.000057] last_pfn = 0x180000 max_arch_pfn = 0x400000000

 2050 08:36:22.347309  <6>[    0.000311] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  

 2051 08:36:22.353841  <6>[    0.001166] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000

 2052 08:36:22.360426  <6>[    0.005292] check: Scanning 1 areas for low memory corruption

 2053 08:36:22.367006  <6>[    0.005306] Using GB pages for direct mapping

 2054 08:36:22.370671  <6>[    0.006069] RAMDISK: [mem 0x37601000-0x37ffffff]

 2055 08:36:22.376993  <6>[    0.006077] ACPI: Early table checksum verification disabled

 2056 08:36:22.383795  <6>[    0.006086] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE  )

 2057 08:36:22.393980  <6>[    0.006097] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 2058 08:36:22.403730  <6>[    0.006110] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 2059 08:36:22.413698  <6>[    0.006124] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717)

 2060 08:36:22.420030  <6>[    0.006134] ACPI: FACS 0x000000007AB10240 000040

 2061 08:36:22.426853  <6>[    0.006143] ACPI: FACS 0x000000007AB10240 000040

 2062 08:36:22.436456  <6>[    0.006152] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE   COREBOOT 0000002A CORE 0000002A)

 2063 08:36:22.446373  <6>[    0.006162] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 2064 08:36:22.456362  <6>[    0.006172] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE   COREBOOT 00000000 CORE 00000000)

 2065 08:36:22.466108  <6>[    0.006181] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 2066 08:36:22.476321  <6>[    0.006191] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral  coral    00000021 CORE 00000000)

 2067 08:36:22.486129  <6>[    0.006200] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 2068 08:36:22.492759  <6>[    0.006210] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223]

 2069 08:36:22.502575  <6>[    0.006215] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127]

 2070 08:36:22.509420  <6>[    0.006219] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f]

 2071 08:36:22.515715  <6>[    0.006223] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f]

 2072 08:36:22.525773  <6>[    0.006227] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829]

 2073 08:36:22.532250  <6>[    0.006231] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b]

 2074 08:36:22.542014  <6>[    0.006235] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1]

 2075 08:36:22.551902  <6>[    0.006239] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b]

 2076 08:36:22.558382  <6>[    0.006243] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f]

 2077 08:36:22.565021  <6>[    0.006247] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7]

 2078 08:36:22.571788  <6>[    0.006368] No NUMA configuration found

 2079 08:36:22.578104  <6>[    0.006373] Faking a node at [mem 0x0000000000000000-0x000000017fffffff]

 2080 08:36:22.584811  <6>[    0.006382] NODE_DATA(0) allocated [mem 0x17fffc000-0x17fffffff]

 2081 08:36:22.588359  <6>[    0.006428] Zone ranges:

 2082 08:36:22.598251  <6>[    0.006433]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]

 2083 08:36:22.604656  <6>[    0.006439]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]

 2084 08:36:22.611183  <6>[    0.006445]   Normal   [mem 0x0000000100000000-0x000000017fffffff]

 2085 08:36:22.617930  <6>[    0.006451] Movable zone start for each node

 2086 08:36:22.621142  <6>[    0.006455] Early memory node ranges

 2087 08:36:22.627809  <6>[    0.006459]   node   0: [mem 0x0000000000001000-0x000000000009ffff]

 2088 08:36:22.634455  <6>[    0.006463]   node   0: [mem 0x0000000000100000-0x000000000fffffff]

 2089 08:36:22.644472  <6>[    0.006467]   node   0: [mem 0x0000000012151000-0x000000007a9fcfff]

 2090 08:36:22.651134  <6>[    0.006471]   node   0: [mem 0x0000000100000000-0x000000017fffffff]

 2091 08:36:22.657382  <6>[    0.006477] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff]

 2092 08:36:22.663949  <6>[    0.006507] On node 0, zone DMA: 1 pages in unavailable ranges

 2093 08:36:22.670707  <6>[    0.006558] On node 0, zone DMA: 96 pages in unavailable ranges

 2094 08:36:22.680328  <6>[    0.013150] On node 0, zone DMA32: 8529 pages in unavailable ranges

 2095 08:36:22.686937  <6>[    0.020500] On node 0, zone Normal: 22019 pages in unavailable ranges

 2096 08:36:22.693760  <6>[    0.020542] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff]

 2097 08:36:22.700478  <6>[    0.020844] ACPI: PM-Timer IO Port: 0x408

 2098 08:36:22.706961  <6>[    0.020916] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119

 2099 08:36:22.716566  <6>[    0.020932] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)

 2100 08:36:22.723294  <6>[    0.020938] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)

 2101 08:36:22.729890  <6>[    0.020950] Using ACPI (MADT) for SMP configuration information

 2102 08:36:22.736353  <6>[    0.020955] ACPI: HPET id: 0x8086a701 base: 0xfed00000

 2103 08:36:22.739807  <6>[    0.020966] TSC deadline timer available

 2104 08:36:22.746254  <6>[    0.020972] smpboot: Allowing 4 CPUs, 0 hotplug CPUs

 2105 08:36:22.756106  <6>[    0.021003] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]

 2106 08:36:22.763002  <6>[    0.021009] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff]

 2107 08:36:22.772666  <6>[    0.021014] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff]

 2108 08:36:22.782856  <6>[    0.021019] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff]

 2109 08:36:22.789170  <6>[    0.021023] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff]

 2110 08:36:22.798965  <6>[    0.021026] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff]

 2111 08:36:22.808786  <6>[    0.021030] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff]

 2112 08:36:22.815391  <6>[    0.021034] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff]

 2113 08:36:22.825426  <6>[    0.021037] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff]

 2114 08:36:22.835431  <6>[    0.021041] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff]

 2115 08:36:22.841795  <6>[    0.021045] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff]

 2116 08:36:22.852106  <6>[    0.021049] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff]

 2117 08:36:22.858236  <6>[    0.021056] [mem 0x80000000-0xcfffffff] available for PCI devices

 2118 08:36:22.871408  <6>[    0.021066] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns

 2119 08:36:22.881161  <6>[    0.031346] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1

 2120 08:36:22.887984  <6>[    0.031973] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288

 2121 08:36:22.894494  <6>[    0.032078] Built 1 zonelists, mobility grouping on.  Total pages: 1002002

 2122 08:36:22.897715  <6>[    0.032088] Policy zone: Normal

 2123 08:36:22.931088  <5>[    0.032106] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12894230/extract-nfsrootfs-1di1a08z,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2124 08:36:22.940859  <6>[    0.033104] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)

 2125 08:36:22.947704  <6>[    0.033547] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)

 2126 08:36:22.957368  <6>[    0.033615] mem auto-init: stack:off, heap alloc:off, heap free:off

 2127 08:36:22.970505  <6>[    0.066953] Memory: 3856940K/4071724K available (22546K kernel code, 3700K rwdata, 13616K rodata, 2164K init, 14004K bss, 214524K reserved, 0K cma-reserved)

 2128 08:36:22.980649  <6>[    0.067107] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

 2129 08:36:22.987162  <6>[    0.067166] Kernel/User page tables isolation: enabled

 2130 08:36:22.990475  <6>[    0.067282] ftrace: allocating 61525 entries in 241 pages

 2131 08:36:22.997163  <6>[    0.103312] ftrace: allocated 241 pages with 5 groups

 2132 08:36:23.003514  <6>[    0.103657] Running RCU self tests

 2133 08:36:23.006932  <6>[    0.103675] rcu: Hierarchical RCU implementation.

 2134 08:36:23.013557  <6>[    0.103680] rcu: 	RCU event tracing is enabled.

 2135 08:36:23.020217  <6>[    0.103683] rcu: 	RCU lockdep checking is enabled.

 2136 08:36:23.026839  <6>[    0.103687] rcu: 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4.

 2137 08:36:23.030036  <6>[    0.103692] 	Rude variant of Tasks RCU enabled.

 2138 08:36:23.036824  <6>[    0.103695] 	Tracing variant of Tasks RCU enabled.

 2139 08:36:23.046770  <6>[    0.103700] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.

 2140 08:36:23.053589  <6>[    0.103704] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4

 2141 08:36:23.059820  <6>[    0.112121] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16

 2142 08:36:23.066484  <5>[    0.112570] random: crng init done

 2143 08:36:23.069770  <6>[    0.112682] Console: colour dummy device 80x25

 2144 08:36:23.076410  <6>[    0.181103] printk: console [ttyS2] enabled

 2145 08:36:23.082832  <4>[    0.181490] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

 2146 08:36:23.089723  <4>[    0.182163] ... MAX_LOCKDEP_SUBCLASSES:  8

 2147 08:36:23.093128  <4>[    0.182533] ... MAX_LOCK_DEPTH:          48

 2148 08:36:23.099749  <4>[    0.182919] ... MAX_LOCKDEP_KEYS:        8192

 2149 08:36:23.106218  <4>[    0.183310] ... CLASSHASH_SIZE:          4096

 2150 08:36:23.109389  <4>[    0.183711] ... MAX_LOCKDEP_ENTRIES:     32768

 2151 08:36:23.116050  <4>[    0.184116] ... MAX_LOCKDEP_CHAINS:      65536

 2152 08:36:23.119702  <4>[    0.184514] ... CHAINHASH_SIZE:          32768

 2153 08:36:23.126123  <4>[    0.184922]  memory used by lock dependency info: 6365 kB

 2154 08:36:23.132894  <4>[    0.185404]  memory used for stack traces: 4224 kB

 2155 08:36:23.139598  <4>[    0.185830]  per task-struct memory footprint: 1920 bytes

 2156 08:36:23.142622  <6>[    0.186381] ACPI: Core revision 20200925

 2157 08:36:23.152876  <6>[    0.187006] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns

 2158 08:36:23.159426  <6>[    0.187874] APIC: Switch to symmetric I/O mode setup

 2159 08:36:23.166089  <6>[    0.192871] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1

 2160 08:36:23.179060  <6>[    0.197864] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns

 2161 08:36:23.192254  <6>[    0.198784] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400)

 2162 08:36:23.195741  <6>[    0.199894] mce: CPU0: Thermal monitoring enabled (TM1)

 2163 08:36:23.202459  <6>[    0.200857] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0

 2164 08:36:23.208767  <6>[    0.201769] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0

 2165 08:36:23.218914  <6>[    0.202305] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization

 2166 08:36:23.225449  <6>[    0.202773] Spectre V2 : Mitigation: Retpolines

 2167 08:36:23.235476  <6>[    0.203188] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch

 2168 08:36:23.241985  <6>[    0.203769] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT

 2169 08:36:23.248841  <6>[    0.204771] Speculative Store Bypass: Vulnerable

 2170 08:36:23.258752  <6>[    0.205205] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'

 2171 08:36:23.265163  <6>[    0.205770] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'

 2172 08:36:23.271736  <6>[    0.206334] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'

 2173 08:36:23.278458  <6>[    0.206769] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'

 2174 08:36:23.288437  <6>[    0.207293] x86/fpu: xstate_offset[3]:  576, xstate_sizes[3]:   64

 2175 08:36:23.294903  <6>[    0.207769] x86/fpu: xstate_offset[4]:  640, xstate_sizes[4]:   64

 2176 08:36:23.304842  <6>[    0.208321] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format.

 2177 08:36:23.309045  Setting prompt string to ['-+\\[ end trace \\w* \\]-+[^\\n]*\\r', '/ #', 'Login timed out', 'Login incorrect']
 2178 08:36:23.311624  <4>[    0.230582] ------------[ cut here ]------------

 2179 08:36:23.321526  <4>[    0.230783] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00

 2180 08:36:23.331360  <4>[    0.230795] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220

 2181 08:36:23.338153  <4>[    0.232534] Modules linked in:

 2182 08:36:23.344644  <4>[    0.232772] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.209-cip44 #1

 2183 08:36:23.351220  <4>[    0.233349] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 2184 08:36:23.357665  <4>[    0.233772] RIP: 0010:apply_returns+0x1f5/0x220

 2185 08:36:23.377878  <4>[    0.234190] Code: 87 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 d0 6a f1 8a c6 05 80 08 87 02 01 e8 25 4c 14 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc

 2186 08:36:23.384192  <4>[    0.234770] RSP: 0000:ffffffff8b203e28 EFLAGS: 00010282

 2187 08:36:23.391001  <4>[    0.235240] RAX: 0000000000000000 RBX: ffffffff8be2133c RCX: 0000000000000000

 2188 08:36:23.400680  <4>[    0.235769] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88d77c51

 2189 08:36:23.407480  <4>[    0.236769] RBP: ffffffff8ab944c0 R08: 0000000000000001 R09: 0000000000000001

 2190 08:36:23.417385  <4>[    0.237396] R10: ffffffff8b28ff20 R11: 3fffffffffffffff R12: ffffffff8be39f78

 2191 08:36:23.423803  <4>[    0.237770] R13: cccccccccccccccc R14: ffffffff8ab944c5 R15: 0000000000000004

 2192 08:36:23.434168  <4>[    0.238398] FS:  0000000000000000(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 2193 08:36:23.440379  <4>[    0.238770] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 2194 08:36:23.450752  <4>[    0.239770] CR2: ffff99820aa01000 CR3: 0000000149026000 CR4: 00000000003506f0

 2195 08:36:23.453779  <4>[    0.240396] Call Trace:

 2196 08:36:23.456966  <4>[    0.240781]  ? __warn+0x80/0x110

 2197 08:36:23.460308  <4>[    0.241095]  ? apply_returns+0x1f5/0x220

 2198 08:36:23.466953  <4>[    0.241457]  ? report_bug+0x9e/0xc0

 2199 08:36:23.469996  <4>[    0.241776]  ? handle_bug+0x41/0x90

 2200 08:36:23.473396  <4>[    0.242098]  ? exc_invalid_op+0x14/0x70

 2201 08:36:23.479956  <4>[    0.242462]  ? asm_exc_invalid_op+0x12/0x20

 2202 08:36:23.483428  <4>[    0.242780]  ? console_unlock+0x4d1/0x5f0

 2203 08:36:23.489914  <4>[    0.243147]  ? apply_returns+0x1f5/0x220

 2204 08:36:23.493600  <4>[    0.243515]  ? apply_returns+0x1f5/0x220

 2205 08:36:23.496902  <4>[    0.243774]  ? lock_acquire+0xbf/0x280

 2206 08:36:23.503189  <4>[    0.244140]  alternative_instructions+0x7d/0x143

 2207 08:36:23.509828  <4>[    0.244775]  arch_cpu_finalize_init+0x28/0x47

 2208 08:36:23.513015  <4>[    0.245170]  start_kernel+0x4a3/0x54d

 2209 08:36:23.519813  <4>[    0.245522]  secondary_startup_64_no_verify+0xc2/0xcb

 2210 08:36:23.523071  <4>[    0.245785] irq event stamp: 108523

 2211 08:36:23.533103  <4>[    0.246117] hardirqs last  enabled at (108531): [<ffffffff88d77c51>] console_unlock+0x4d1/0x5f0

 2212 08:36:23.542966  <4>[    0.246770] hardirqs last disabled at (108542): [<ffffffff88d77bc4>] console_unlock+0x444/0x5f0

 2213 08:36:23.552850  <4>[    0.247772] softirqs last  enabled at (108552): [<ffffffff88d07cf1>] irq_enter_rcu+0x71/0x80

 2214 08:36:23.562735  <4>[    0.248501] softirqs last disabled at (108551): [<ffffffff88d07cd6>] irq_enter_rcu+0x56/0x80

 2215 08:36:23.569289  <4>[    0.248775] ---[ end trace f420f41c7bc8ceba ]---

 2216 08:36:23.570144  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']
 2217 08:36:23.570569  login-action: kernel 'warning'
 2218 08:36:23.570916  [login-action] Waiting for messages, (timeout 00:04:23)
 2219 08:36:23.571236  Waiting using forced prompt support (timeout 00:02:12)
 2220 08:36:23.576017  <6>[    0.259136] Freeing SMP alternatives memory: 48K

 2221 08:36:23.579264  <6>[    0.259567] pid_max: default: 32768 minimum: 301

 2222 08:36:23.585549  <6>[    0.259869] LSM: Security Framework initializing

 2223 08:36:23.589047  <6>[    0.260328] SELinux:  Initializing.

 2224 08:36:23.592411  <6>[    0.260824] LSM support for eBPF active

 2225 08:36:23.602301  <6>[    0.261214] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2226 08:36:23.612085  <6>[    0.261783] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2227 08:36:23.621978  <6>[    0.264136] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9)

 2228 08:36:23.635402  <6>[    0.265357] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver.

 2229 08:36:23.638589  <6>[    0.265779] ... version:                4

 2230 08:36:23.645312  <6>[    0.266142] ... bit width:              48

 2231 08:36:23.648354  <6>[    0.266518] ... generic registers:      4

 2232 08:36:23.655115  <6>[    0.266770] ... value mask:             0000ffffffffffff

 2233 08:36:23.661441  <6>[    0.267239] ... max period:             00007fffffffffff

 2234 08:36:23.665088  <6>[    0.267708] ... fixed-purpose events:   3

 2235 08:36:23.671688  <6>[    0.267770] ... event mask:             000000070000000f

 2236 08:36:23.677973  <6>[    0.268669] rcu: Hierarchical SRCU implementation.

 2237 08:36:23.684817  <6>[    0.270325] smp: Bringing up secondary CPUs ...

 2238 08:36:23.688052  <6>[    0.271399] x86: Booting SMP configuration:

 2239 08:36:23.694663  <6>[    0.271811] .... node  #0, CPUs:      #1 #2 #3

 2240 08:36:23.697972  <6>[    0.274846] smp: Brought up 1 node, 4 CPUs

 2241 08:36:23.704544  <6>[    0.275630] smpboot: Max logical packages: 1

 2242 08:36:23.711170  <6>[    0.275774] smpboot: Total of 4 processors activated (8755.20 BogoMIPS)

 2243 08:36:23.714735  <6>[    0.278143] devtmpfs: initialized

 2244 08:36:23.721235  <6>[    0.278881] x86/mm: Memory block size: 128MB

 2245 08:36:23.731006  <6>[    0.282785] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns

 2246 08:36:23.741200  <6>[    0.283636] futex hash table entries: 1024 (order: 5, 131072 bytes, linear)

 2247 08:36:23.747635  <6>[    0.284234] pinctrl core: initialized pinctrl subsystem

 2248 08:36:23.751086  <6>[    0.285632] PM: RTC time: 08:36:20, date: 2024-02-29

 2249 08:36:23.757468  <6>[    0.286322] NET: Registered protocol family 16

 2250 08:36:23.764153  <6>[    0.287380] audit: initializing netlink subsys (disabled)

 2251 08:36:23.774156  <5>[    0.287847] audit: type=2000 audit(1709195780.094:1): state=initialized audit_enabled=0 res=1

 2252 08:36:23.780612  <6>[    0.288456] thermal_sys: Registered thermal governor 'step_wise'

 2253 08:36:23.787290  <6>[    0.288596] thermal_sys: Registered thermal governor 'user_space'

 2254 08:36:23.793898  <6>[    0.288868] cpuidle: using governor menu

 2255 08:36:23.797218  <6>[    0.289973] ACPI: bus type PCI registered

 2256 08:36:23.806999  <6>[    0.290111] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000)

 2257 08:36:23.817094  <6>[    0.290777] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820

 2258 08:36:23.823511  <6>[    0.291424] PCI: Using configuration type 1 for base access

 2259 08:36:23.826695  <6>[    0.321910] Kprobes globally optimized

 2260 08:36:23.833553  <6>[    0.322803] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages

 2261 08:36:23.843514  <6>[    0.322803] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages

 2262 08:36:23.850057  <6>[    0.323943] cryptomgr_test (39) used greatest stack depth: 14880 bytes left

 2263 08:36:23.856601  <6>[    0.327137] ACPI: Added _OSI(Module Device)

 2264 08:36:23.860010  <6>[    0.327775] ACPI: Added _OSI(Processor Device)

 2265 08:36:23.866470  <6>[    0.328175] ACPI: Added _OSI(3.0 _SCP Extensions)

 2266 08:36:23.873098  <6>[    0.328602] ACPI: Added _OSI(Processor Aggregator Device)

 2267 08:36:23.876303  <6>[    0.328777] ACPI: Added _OSI(Linux-Dell-Video)

 2268 08:36:23.883212  <6>[    0.329179] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)

 2269 08:36:23.889733  <6>[    0.329656] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)

 2270 08:36:23.896186  <6>[    0.336656] ACPI: 2 ACPI AML tables successfully acquired and loaded

 2271 08:36:23.903017  <6>[    0.342818] ACPI: EC: EC started

 2272 08:36:23.906228  <6>[    0.343151] ACPI: EC: interrupt blocked

 2273 08:36:23.912550  <6>[    0.344001] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2274 08:36:23.919501  <6>[    0.344463] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions

 2275 08:36:23.925915  <6>[    0.344770] ACPI: Interpreter enabled

 2276 08:36:23.929127  <6>[    0.345165] ACPI: (supports S0 S3 S5)

 2277 08:36:23.935991  <6>[    0.345506] ACPI: Using IOAPIC for interrupt routing

 2278 08:36:23.945890  <6>[    0.345815] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug

 2279 08:36:23.952611  <6>[    0.347292] ACPI: Enabled 1 GPEs in block 00 to 7F

 2280 08:36:23.955571  <6>[    0.350873] ACPI: Power Resource [PXP] (on)

 2281 08:36:23.962392  <6>[    0.372839] ACPI: Power Resource [PRIC] (on)

 2282 08:36:23.965876  <6>[    0.399184] ACPI: Power Resource [PRIC] (on)

 2283 08:36:23.975325  <6>[    0.466941] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])

 2284 08:36:23.985330  <6>[    0.467510] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]

 2285 08:36:23.992185  <6>[    0.468002] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR]

 2286 08:36:23.998901  <6>[    0.469236] PCI host bridge to bus 0000:00

 2287 08:36:24.005215  <6>[    0.469620] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]

 2288 08:36:24.011747  <6>[    0.470773] pci_bus 0000:00: root bus resource [io  0x1000-0xffff window]

 2289 08:36:24.021772  <6>[    0.471376] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]

 2290 08:36:24.031659  <6>[    0.471771] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window]

 2291 08:36:24.038233  <6>[    0.472427] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window]

 2292 08:36:24.044965  <6>[    0.472774] pci_bus 0000:00: root bus resource [bus 00-ff]

 2293 08:36:24.051354  <6>[    0.473347] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000

 2294 08:36:24.057934  <6>[    0.475553] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000

 2295 08:36:24.068101  <6>[    0.475810] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit]

 2296 08:36:24.074429  <6>[    0.476969] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000

 2297 08:36:24.080963  <6>[    0.477518] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit]

 2298 08:36:24.091021  <6>[    0.477784] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit]

 2299 08:36:24.097653  <6>[    0.478393] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit]

 2300 08:36:24.104361  <6>[    0.479144] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000

 2301 08:36:24.114258  <6>[    0.479698] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit]

 2302 08:36:24.120592  <6>[    0.480784] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref]

 2303 08:36:24.127428  <6>[    0.481427] pci 0000:00:02.0: reg 0x20: [io  0x1000-0x103f]

 2304 08:36:24.133823  <6>[    0.482181] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000

 2305 08:36:24.144049  <6>[    0.482735] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit]

 2306 08:36:24.150498  <6>[    0.484236] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100

 2307 08:36:24.157305  <6>[    0.484803] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit]

 2308 08:36:24.167084  <6>[    0.485446] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit]

 2309 08:36:24.173660  <6>[    0.485892] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold

 2310 08:36:24.180527  <6>[    0.487000] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000

 2311 08:36:24.187140  <6>[    0.487572] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit]

 2312 08:36:24.193331  <6>[    0.487933] pci 0000:00:0f.0: PME# supported from D3hot

 2313 08:36:24.200190  <6>[    0.488806] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400

 2314 08:36:24.206913  <6>[    0.489504] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold

 2315 08:36:24.216577  <6>[    0.491304] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330

 2316 08:36:24.223514  <6>[    0.491806] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit]

 2317 08:36:24.229904  <6>[    0.492513] pci 0000:00:15.0: PME# supported from D3hot D3cold

 2318 08:36:24.236945  <6>[    0.493299] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000

 2319 08:36:24.246880  <6>[    0.493809] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit]

 2320 08:36:24.253420  <6>[    0.494433] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit]

 2321 08:36:24.260036  <6>[    0.495318] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000

 2322 08:36:24.266975  <6>[    0.495808] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit]

 2323 08:36:24.276590  <6>[    0.496430] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit]

 2324 08:36:24.283237  <6>[    0.497325] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000

 2325 08:36:24.290113  <6>[    0.498818] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit]

 2326 08:36:24.299984  <6>[    0.499431] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit]

 2327 08:36:24.306602  <6>[    0.500325] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000

 2328 08:36:24.313242  <6>[    0.500808] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit]

 2329 08:36:24.322951  <6>[    0.501428] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit]

 2330 08:36:24.329632  <6>[    0.502338] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000

 2331 08:36:24.336355  <6>[    0.502807] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit]

 2332 08:36:24.342984  <6>[    0.503428] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit]

 2333 08:36:24.352889  <6>[    0.504312] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000

 2334 08:36:24.359361  <6>[    0.505812] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit]

 2335 08:36:24.365949  <6>[    0.506432] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit]

 2336 08:36:24.375885  <6>[    0.507354] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000

 2337 08:36:24.382629  <6>[    0.507807] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit]

 2338 08:36:24.389120  <6>[    0.508430] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit]

 2339 08:36:24.396113  <6>[    0.509313] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000

 2340 08:36:24.405663  <6>[    0.509808] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit]

 2341 08:36:24.412586  <6>[    0.510429] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit]

 2342 08:36:24.418937  <6>[    0.511312] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000

 2343 08:36:24.429031  <6>[    0.512808] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit]

 2344 08:36:24.435481  <6>[    0.513433] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit]

 2345 08:36:24.442204  <6>[    0.514346] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000

 2346 08:36:24.452093  <6>[    0.514808] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit]

 2347 08:36:24.458614  <6>[    0.515432] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit]

 2348 08:36:24.465261  <6>[    0.516348] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501

 2349 08:36:24.475386  <6>[    0.516798] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit]

 2350 08:36:24.481998  <6>[    0.517413] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit]

 2351 08:36:24.488757  <6>[    0.519288] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501

 2352 08:36:24.495167  <6>[    0.519796] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit]

 2353 08:36:24.505235  <6>[    0.520408] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit]

 2354 08:36:24.511601  <6>[    0.521401] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100

 2355 08:36:24.518409  <6>[    0.522353] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500

 2356 08:36:24.525024  <6>[    0.522837] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit]

 2357 08:36:24.531481  <6>[    0.523521] pci 0000:00:1f.1: reg 0x20: [io  0x1040-0x105f]

 2358 08:36:24.541768  <6>[    0.524701] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000

 2359 08:36:24.548371  <6>[    0.526197] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit]

 2360 08:36:24.558218  <6>[    0.527372] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256)

 2361 08:36:24.564514  <6>[    0.527921] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128)

 2362 08:36:24.574329  <6>[    0.529222] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold

 2363 08:36:24.577820  <6>[    0.531541] pci 0000:00:14.0: PCI bridge to [bus 01]

 2364 08:36:24.587597  <6>[    0.531784] pci 0000:00:14.0:   bridge window [mem 0xc2a00000-0xc2afffff]

 2365 08:36:24.590810  <6>[    0.539581] ACPI: EC: interrupt unblocked

 2366 08:36:24.597471  <6>[    0.539770] ACPI: EC: event unblocked

 2367 08:36:24.600892  <6>[    0.540146] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2368 08:36:24.607541  <6>[    0.540608] ACPI: EC: GPE=0x2b

 2369 08:36:24.614318  <6>[    0.540775] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete

 2370 08:36:24.624120  <6>[    0.541396] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events

 2371 08:36:24.627297  <6>[    0.542849] iommu: Default domain type: Translated 

 2372 08:36:24.637419  <6>[    0.543834] pci 0000:00:02.0: vgaarb: setting as boot VGA device

 2373 08:36:24.647215  <6>[    0.544389] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none

 2374 08:36:24.653653  <6>[    0.544794] pci 0000:00:02.0: vgaarb: bridge control possible

 2375 08:36:24.657146  <6>[    0.545300] vgaarb: loaded

 2376 08:36:24.660403  <5>[    0.546068] SCSI subsystem initialized

 2377 08:36:24.663830  <6>[    0.546838] ACPI: bus type USB registered

 2378 08:36:24.670217  <6>[    0.547278] usbcore: registered new interface driver usbfs

 2379 08:36:24.676855  <6>[    0.547822] usbcore: registered new interface driver hub

 2380 08:36:24.683314  <6>[    0.548337] usbcore: registered new device driver usb

 2381 08:36:24.689855  <6>[    0.548876] mc: Linux media interface: v0.10

 2382 08:36:24.696627  <6>[    0.549294] videodev: Linux video capture interface: v2.00

 2383 08:36:24.699896  <6>[    0.549802] pps_core: LinuxPPS API ver. 1 registered

 2384 08:36:24.709708  <6>[    0.550250] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

 2385 08:36:24.716238  <6>[    0.550780] PTP clock support registered

 2386 08:36:24.723137  <6>[    0.552012] Advanced Linux Sound Architecture Driver Initialized.

 2387 08:36:24.726161  <6>[    0.553608] NetLabel: Initializing

 2388 08:36:24.732972  <6>[    0.553772] NetLabel:  domain hash size = 128

 2389 08:36:24.739467  <6>[    0.554165] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO

 2390 08:36:24.746352  <6>[    0.554735] NetLabel:  unlabeled traffic allowed by default

 2391 08:36:24.749561  <6>[    0.554883] PCI: Using ACPI for IRQ routing

 2392 08:36:24.759756  <4>[    0.585687] Expanded resource Reserved due to conflict with PCI Bus 0000:00

 2393 08:36:24.766438  <6>[    0.586883] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0

 2394 08:36:24.772807  <6>[    0.587451] hpet0: 8 comparators, 64-bit 19.200000 MHz counter

 2395 08:36:24.779540  <6>[    0.589874] clocksource: Switched to clocksource tsc-early

 2396 08:36:24.782609  <5>[    0.975567] VFS: Disk quotas dquot_6.6.0

 2397 08:36:24.792486  <6>[    0.975972] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

 2398 08:36:24.795723  <6>[    0.976947] pnp: PnP ACPI init

 2399 08:36:24.802283  <6>[    0.977916] system 00:00: [io  0x0900-0x09fe] has been reserved

 2400 08:36:24.809171  <6>[    0.978684] system 00:01: [io  0x0200] has been reserved

 2401 08:36:24.815845  <6>[    0.979166] system 00:01: [io  0x0204] has been reserved

 2402 08:36:24.822373  <6>[    0.979658] system 00:01: [io  0x0800-0x087f] has been reserved

 2403 08:36:24.828872  <6>[    0.980190] system 00:01: [io  0x0880-0x08ff] has been reserved

 2404 08:36:24.832249  <6>[    0.983210] pnp: PnP ACPI: found 3 devices

 2405 08:36:24.845586  <6>[    0.996753] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns

 2406 08:36:24.848887  <6>[    0.997645] NET: Registered protocol family 2

 2407 08:36:24.858497  <6>[    0.998234] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)

 2408 08:36:24.868728  <6>[    1.000298] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear)

 2409 08:36:24.878485  <6>[    1.001294] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)

 2410 08:36:24.885366  <6>[    1.002206] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear)

 2411 08:36:24.891648  <6>[    1.004819] TCP: Hash tables configured (established 32768 bind 32768)

 2412 08:36:24.901453  <6>[    1.005893] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear)

 2413 08:36:24.908164  <6>[    1.006879] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2414 08:36:24.918065  <6>[    1.007765] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2415 08:36:24.924570  <6>[    1.008876] NET: Registered protocol family 1

 2416 08:36:24.931405  <6>[    1.009993] RPC: Registered named UNIX socket transport module.

 2417 08:36:24.934606  <6>[    1.010571] RPC: Registered udp transport module.

 2418 08:36:24.941305  <6>[    1.011001] RPC: Registered tcp transport module.

 2419 08:36:24.947887  <6>[    1.011432] RPC: Registered tcp NFSv4.1 backchannel transport module.

 2420 08:36:24.954469  <6>[    1.012536] NET: Registered protocol family 44

 2421 08:36:24.961150  <6>[    1.012979] pci 0000:00:14.0: PCI bridge to [bus 01]

 2422 08:36:24.967662  <6>[    1.013463] pci 0000:00:14.0:   bridge window [mem 0xc2a00000-0xc2afffff]

 2423 08:36:24.974459  <6>[    1.014076] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]

 2424 08:36:24.981390  <6>[    1.014635] pci_bus 0000:00: resource 5 [io  0x1000-0xffff window]

 2425 08:36:24.990984  <6>[    1.015175] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]

 2426 08:36:24.997642  <6>[    1.015849] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window]

 2427 08:36:25.007504  <6>[    1.016465] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window]

 2428 08:36:25.014017  <6>[    1.017071] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff]

 2429 08:36:25.024008  <6>[    1.017840] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]

 2430 08:36:25.027568  <6>[    1.020781] PCI: CLS 64 bytes, default 64

 2431 08:36:25.030683  <6>[    1.021528] Unpacking initramfs...

 2432 08:36:25.037333  <6>[    1.297221] Freeing initrd memory: 10236K

 2433 08:36:25.044137  <6>[    1.297701] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)

 2434 08:36:25.053951  <6>[    1.298290] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB)

 2435 08:36:25.063758  <6>[    1.299289] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer

 2436 08:36:25.070346  <6>[    1.299977] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules

 2437 08:36:25.077254  <6>[    1.300522] RAPL PMU: hw unit of domain package 2^-14 Joules

 2438 08:36:25.083766  <6>[    1.301019] RAPL PMU: hw unit of domain dram 2^-14 Joules

 2439 08:36:25.090474  <6>[    1.301514] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules

 2440 08:36:25.093659  <3>[    1.303101] kvm: already loaded the other module

 2441 08:36:25.107096  <6>[    1.303571] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns

 2442 08:36:25.113503  <6>[    1.304483] clocksource: Switched to clocksource tsc

 2443 08:36:25.119977  <6>[    1.305013] platform rtc_cmos: registered platform RTC device (no PNP device found)

 2444 08:36:25.129975  <6>[    1.307845] check: Scanning for low memory corruption every 60 seconds

 2445 08:36:25.133556  <5>[    1.310612] Initialise system trusted keyrings

 2446 08:36:25.139946  <6>[    1.311320] workingset: timestamp_bits=56 max_order=20 bucket_order=0

 2447 08:36:25.146679  <5>[    1.326169] NFS: Registering the id_resolver key type

 2448 08:36:25.153459  <5>[    1.326686] Key type id_resolver registered

 2449 08:36:25.156529  <5>[    1.327096] Key type id_legacy registered

 2450 08:36:25.163071  <5>[    1.338788] Key type asymmetric registered

 2451 08:36:25.166200  <5>[    1.339207] Asymmetric key parser 'x509' registered

 2452 08:36:25.176501  <6>[    1.339725] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)

 2453 08:36:25.183083  <6>[    1.340398] io scheduler mq-deadline registered

 2454 08:36:25.186231  <6>[    1.340807] io scheduler kyber registered

 2455 08:36:25.192557  <4>[    1.341413] test_firmware: interface ready

 2456 08:36:25.199616  <6>[    1.342527] pcieport 0000:00:14.0: PME: Signaling with IRQ 120

 2457 08:36:25.202629  <6>[    1.344114] ACPI: AC Adapter [AC] (on-line)

 2458 08:36:25.216072  <6>[    1.344797] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0

 2459 08:36:25.219199  <6>[    1.346336] ACPI: Lid Switch [LID0]

 2460 08:36:25.228969  <6>[    1.346832] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1

 2461 08:36:25.232408  <6>[    1.347704] ACPI: Power Button [PWRB]

 2462 08:36:25.242570  <6>[    1.348203] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2

 2463 08:36:25.249083  <6>[    1.349084] ACPI: Sleep Button [SLP]

 2464 08:36:25.255586  <6>[    1.349601] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3

 2465 08:36:25.262392  <6>[    1.350402] ACPI: Power Button [PWRF]

 2466 08:36:25.265546  <6>[    1.350954] ACPI: \_PR_.CP00: Found 3 idle states

 2467 08:36:25.272056  <6>[    1.352022] ACPI: \_PR_.CP01: Found 3 idle states

 2468 08:36:25.278841  <6>[    1.352823] ACPI: \_PR_.CP02: Found 3 idle states

 2469 08:36:25.281998  <6>[    1.353643] ACPI: \_PR_.CP03: Found 3 idle states

 2470 08:36:25.292129  <6>[    1.355466] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled

 2471 08:36:25.295489  <6>[    1.357879] Non-volatile memory driver v1.3

 2472 08:36:25.301965  <6>[    1.358104] battery: ACPI: Battery Slot [BAT0] (battery present)

 2473 08:36:25.308616  <6>[    1.358398] Linux agpgart interface v0.103

 2474 08:36:25.312062  <6>[    1.359543] ACPI: bus type drm_connector registered

 2475 08:36:25.318308  <6>[    1.360125] [drm] amdgpu kernel modesetting enabled.

 2476 08:36:25.325065  <6>[    1.363203] i915 0000:00:02.0: vgaarb: deactivate vga console

 2477 08:36:25.335099  <6>[    1.417443] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xbef8

 2478 08:36:25.344892  <6>[    1.418196] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT)

 2479 08:36:25.354782  <6>[    1.418967] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem

 2480 08:36:25.364562  <4>[    1.420403] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2

 2481 08:36:25.377910  <5>[    1.421257] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management.

 2482 08:36:25.394686  <5>[    1.422246] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915

 2483 08:36:25.401097  <6>[    1.465511] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0

 2484 08:36:25.407421  <6>[    1.468517] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1

 2485 08:36:25.410874  <6>[    1.479669] loop: module loaded

 2486 08:36:25.420707  <6>[    1.480541] lkdtm: No crash points registered, enable through debugfs

 2487 08:36:25.430916  <6>[    1.523997] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A

 2488 08:36:25.440809  <6>[    1.527382] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A

 2489 08:36:25.444062  <6>[    1.530246] printk: console [ttyS2] disabled

 2490 08:36:25.453853  <6>[    1.530929] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A

 2491 08:36:25.546811  <6>[    4.828651] printk: console [ttyS2] enabled

 2492 08:36:25.553387  <6>[    4.828775] fbcon: i915drmfb (fb0) is primary device

 2493 08:36:25.560012  <4>[    4.830736] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO

 2494 08:36:25.566713  <6>[    4.838007] e100: Intel(R) PRO/100 Network Driver

 2495 08:36:25.573097  <6>[    4.838010] e100: Copyright(c) 1999-2006 Intel Corporation

 2496 08:36:25.579997  <6>[    4.838055] e1000: Intel(R) PRO/1000 Network Driver

 2497 08:36:25.586586  <6>[    4.838056] e1000: Copyright (c) 1999-2006 Intel Corporation.

 2498 08:36:25.593067  <6>[    4.838115] e1000e: Intel(R) PRO/1000 Network Driver

 2499 08:36:25.599890  <6>[    4.838117] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

 2500 08:36:25.603039  <6>[    4.838229] sky2: driver version 1.30

 2501 08:36:25.609771  <6>[    4.838476] usbcore: registered new interface driver r8152

 2502 08:36:25.616296  <6>[    4.839095] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

 2503 08:36:25.622720  <6>[    4.839134] ehci-pci: EHCI PCI platform driver

 2504 08:36:25.629312  <6>[    4.839232] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

 2505 08:36:25.635748  <6>[    4.839245] ohci-pci: OHCI PCI platform driver

 2506 08:36:25.642721  <6>[    4.839325] uhci_hcd: USB Universal Host Controller Interface driver

 2507 08:36:25.649000  <6>[    4.840504] xhci_hcd 0000:00:15.0: xHCI Host Controller

 2508 08:36:25.658705  <6>[    4.841429] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1

 2509 08:36:25.668773  <6>[    4.842663] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810

 2510 08:36:25.678708  <6>[    4.842709] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported

 2511 08:36:25.681905  <6>[    4.843932] xhci_hcd 0000:00:15.0: xHCI Host Controller

 2512 08:36:25.691859  <6>[    4.844600] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2

 2513 08:36:25.698721  <6>[    4.844620] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed

 2514 08:36:25.708358  <6>[    4.845173] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10

 2515 08:36:25.718257  <6>[    4.845189] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2516 08:36:25.721620  <6>[    4.845192] usb usb1: Product: xHCI Host Controller

 2517 08:36:25.731391  <6>[    4.845194] usb usb1: Manufacturer: Linux 5.10.209-cip44 xhci-hcd

 2518 08:36:25.734901  <6>[    4.845196] usb usb1: SerialNumber: 0000:00:15.0

 2519 08:36:25.741218  <6>[    4.846625] hub 1-0:1.0: USB hub found

 2520 08:36:25.744480  <6>[    4.846723] hub 1-0:1.0: 8 ports detected

 2521 08:36:25.754266  <6>[    4.848163] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10

 2522 08:36:25.764449  <6>[    4.848167] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2523 08:36:25.767437  <6>[    4.848169] usb usb2: Product: xHCI Host Controller

 2524 08:36:25.777599  <6>[    4.848172] usb usb2: Manufacturer: Linux 5.10.209-cip44 xhci-hcd

 2525 08:36:25.780915  <6>[    4.848174] usb usb2: SerialNumber: 0000:00:15.0

 2526 08:36:25.787514  <6>[    4.849098] hub 2-0:1.0: USB hub found

 2527 08:36:25.790519  <6>[    4.849134] hub 2-0:1.0: 7 ports detected

 2528 08:36:25.797618  <6>[    4.850338] usbcore: registered new interface driver usblp

 2529 08:36:25.804019  <6>[    4.850384] usbcore: registered new interface driver usb-storage

 2530 08:36:25.813946  <6>[    4.850757] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers

 2531 08:36:25.824043  <6>[    4.850874] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1

 2532 08:36:25.833571  <4>[    4.850877] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp

 2533 08:36:25.840423  <4>[    4.851437] i8042: Warning: Keylock active

 2534 08:36:25.846852  <6>[    4.851681] serio: i8042 KBD port at 0x60,0x64 irq 1

 2535 08:36:25.850229  <6>[    4.854606] rtc_cmos rtc_cmos: RTC can wake from S4

 2536 08:36:25.860023  <6>[    4.856505] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4

 2537 08:36:25.866704  <6>[    4.857834] rtc_cmos rtc_cmos: registered as rtc0

 2538 08:36:25.873416  <6>[    4.857980] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram

 2539 08:36:25.883348  <4>[    4.858966] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A

 2540 08:36:25.889971  <4>[    4.858968] i801_smbus 0000:00:1f.1: PCI INT A: no GSI

 2541 08:36:25.896190  <6>[    4.858998] i801_smbus 0000:00:1f.1: SPD Write Disable is set

 2542 08:36:25.903026  <3>[    4.859054] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer)

 2543 08:36:25.912736  <3>[    4.859074] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16

 2544 08:36:25.919527  <6>[    4.859077] i801_smbus 0000:00:1f.1: SMBus using polling

 2545 08:36:25.929449  <6>[    4.860102] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com

 2546 08:36:25.936108  <6>[    4.860199] intel_pstate: Intel P-state driver initializing

 2547 08:36:25.942684  <6>[    4.862561] sdhci: Secure Digital Host Controller Interface driver

 2548 08:36:25.945884  <6>[    4.862567] sdhci: Copyright(c) Pierre Ossman

 2549 08:36:25.955958  <6>[    4.862746] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2550 08:36:25.962587  <6>[    4.869060] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b)

 2551 08:36:25.972276  <6>[    4.876072] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit

 2552 08:36:25.979118  <6>[    4.876945] hid: raw HID events driver (C) Jiri Kosina

 2553 08:36:25.985579  <6>[    4.879090] usbcore: registered new interface driver usbhid

 2554 08:36:25.989023  <6>[    4.879095] usbhid: USB HID core driver

 2555 08:36:26.002288  <6>[    4.880994] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5

 2556 08:36:26.008895  <6>[    4.882891] Console: switching to colour frame buffer device 240x67

 2557 08:36:26.018685  <6>[    4.887725] cros_ec_lpcs GOOG0004:00: Chrome EC device registered

 2558 08:36:26.028661  <6>[    4.891133] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100

 2559 08:36:26.038434  <6>[    4.895718] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops)

 2560 08:36:26.042087  <6>[    4.895941] netem: version 1.3

 2561 08:36:26.048432  <6>[    4.896482] ipip: IPv4 and MPLS over IPv4 tunneling driver

 2562 08:36:26.051802  <6>[    4.897761] IPv4 over IPsec tunneling driver

 2563 08:36:26.058413  <6>[    4.898924] Initializing XFRM netlink socket

 2564 08:36:26.065010  <6>[    4.900545] NET: Registered protocol family 10

 2565 08:36:26.067931  <6>[    4.904559] Segment Routing with IPv6

 2566 08:36:26.074711  <6>[    4.908361] NET: Registered protocol family 17

 2567 08:36:26.077904  <6>[    4.909358] 8021q: 802.1Q VLAN Support v1.8

 2568 08:36:26.084620  <5>[    4.909622] Key type dns_resolver registered

 2569 08:36:26.091227  <3>[    4.917253] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up

 2570 08:36:26.097693  <6>[    4.920768] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device

 2571 08:36:26.104504  <6>[    5.009327] mmc0: new HS400 MMC card at address 0001

 2572 08:36:26.110975  <6>[    5.023463] microcode: sig=0x506c9, pf=0x1, revision=0x2c

 2573 08:36:26.117712  <6>[    5.031361] microcode: Microcode Update Driver: v2.2.

 2574 08:36:26.120818  <6>[    5.045627] mmcblk0: mmc0:0001 TA2964 58.3 GiB 

 2575 08:36:26.127412  <6>[    5.050907] IPI shorthand broadcast: enabled

 2576 08:36:26.134015  <6>[    5.058229] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB

 2577 08:36:26.143893  <6>[    5.066030] sched_clock: Marking stable (4984501472, 81258824)->(5074134342, -8374046)

 2578 08:36:26.150663  <6>[    5.073854] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB

 2579 08:36:26.157227  <6>[    5.104862] registered taskstats version 1

 2580 08:36:26.163734  <6>[    5.109825] usb 1-5: new high-speed USB device number 2 using xhci_hcd

 2581 08:36:26.170246  <5>[    5.114174] Loading compiled-in X.509 certificates

 2582 08:36:26.177061  <6>[    5.121249] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (245:0)

 2583 08:36:26.187078  <6>[    5.139934] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2584 08:36:26.196831  <6>[    5.294884] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04

 2585 08:36:26.203137  <6>[    5.310225] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2586 08:36:26.213045  <6>[    5.315673] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2

 2587 08:36:26.216577  <6>[    5.315687] usb 1-5: Product: USB2.0 HD UVC WebCam

 2588 08:36:26.223216  <6>[    5.328378] PM:   Magic number: 12:582:625

 2589 08:36:26.226373  <6>[    5.329316] usb 1-5: Manufacturer: Quanta

 2590 08:36:26.233073  <6>[    5.329323] usb 1-5: SerialNumber: 0x0001

 2591 08:36:26.239499  <6>[    5.337654]  mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12

 2592 08:36:26.246234  <6>[    5.613381] printk: console [netcon0] enabled

 2593 08:36:26.252870  <6>[    5.613452] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2594 08:36:26.259391  <6>[    5.618617] netconsole: network logging started

 2595 08:36:26.274854  <6>[    5.640093] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00

 2596 08:36:26.284521  <6>[    5.649664] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6

 2597 08:36:26.291243  <6>[    5.658011] usb 2-5: Product: USB 10/100/1000 LAN

 2598 08:36:26.294795  <6>[    5.663628] usb 2-5: Manufacturer: Realtek

 2599 08:36:26.301113  <6>[    5.668553] usb 2-5: SerialNumber: 001000001

 2600 08:36:26.311029  <6>[    5.676507] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2601 08:36:26.343173  <6>[    5.708700] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2602 08:36:26.389015  <6>[    5.754335] usb 1-6: new full-speed USB device number 3 using xhci_hcd

 2603 08:36:26.525805  <6>[    5.891364] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03

 2604 08:36:26.535735  <6>[    5.900911] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0

 2605 08:36:26.548536  <6>[    5.914143] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2606 08:36:26.641678  <6>[    6.007250] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2607 08:36:26.687819  <6>[    6.052899] r8152 2-5:1.0: load rtl8153b-2 v2 04/27/23 successfully

 2608 08:36:26.723698  <6>[    6.092230] r8152 2-5:1.0 eth0: v1.11.11

 2609 08:36:26.733590  <6>[    6.097990] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2610 08:36:28.329044  <6>[    7.697791] r8152 2-5:1.0 eth0: carrier on

 2611 08:36:28.335840  <6>[    7.703587] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

 2612 08:36:30.894692  <5>[    7.715899] Sending DHCP requests .., OK

 2613 08:36:30.904928  <6>[   10.268852] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.15

 2614 08:36:30.908266  <6>[   10.278193] IP-Config: Complete:

 2615 08:36:30.921074  <6>[   10.282152]      device=eth0, hwaddr=00:e0:4c:75:01:bd, ipaddr=192.168.201.15, mask=255.255.255.0, gw=192.168.201.1

 2616 08:36:30.931065  <6>[   10.294187]      host=asus-c523na-a20057-coral-cbg-3, domain=lava-rack, nis-domain=(none)

 2617 08:36:30.937639  <6>[   10.303682]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

 2618 08:36:30.944370  <6>[   10.303690]      nameserver0=192.168.201.1

 2619 08:36:30.954225  <5>[   10.317700] cfg80211: Loading compiled-in X.509 certificates for regulatory database

 2620 08:36:30.975702  <6>[   10.341163] modprobe (102) used greatest stack depth: 14120 bytes left

 2621 08:36:30.991647  <5>[   10.357132] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'

 2622 08:36:31.001765  <5>[   10.365865] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600'

 2623 08:36:31.011496  <4>[   10.376401] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2

 2624 08:36:31.018225  <6>[   10.376766] ALSA device list:

 2625 08:36:31.021187  <6>[   10.386560] cfg80211: failed to load regulatory.db

 2626 08:36:31.028133  <6>[   10.390302]   No soundcards found.

 2627 08:36:31.034275  <4>[   10.401925] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console

 2628 08:36:31.058587  <6>[   10.424022] Freeing unused kernel image (initmem) memory: 2164K

 2629 08:36:31.072512  <6>[   10.437761] Write protecting the kernel read-only data: 38912k

 2630 08:36:31.083741  <6>[   10.449160] Freeing unused kernel image (text/rodata gap) memory: 2028K

 2631 08:36:31.093636  <6>[   10.458464] Freeing unused kernel image (rodata/data gap) memory: 720K

 2632 08:36:31.097320  <6>[   10.466499] Run /init as init process

 2633 08:36:31.131406  <6>[   10.496931] cat (112) used greatest stack depth: 13816 bytes left

 2634 08:36:31.131950  Loading, please wait...

 2635 08:36:31.190324  Starting version 247.3-7+deb11u4

 2636 08:36:31.462163  <6>[   10.827616] udevadm (126) used greatest stack depth: 13624 bytes left

 2637 08:36:32.179531  <6>[   11.548178] chromeos ramoops using acpi device.

 2638 08:36:32.189187  <6>[   11.552720] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2639 08:36:32.207820  <6>[   11.573331] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2640 08:36:32.257699  <6>[   11.623149] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2641 08:36:32.267791  <4>[   11.626837] i2c_hid i2c-WCOM50C1:00: supply vdd not found, using dummy regulator

 2642 08:36:32.274383  <4>[   11.632961] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator

 2643 08:36:32.290083  <4>[   11.655363] i2c_hid i2c-WCOM50C1:00: supply vddl not found, using dummy regulator

 2644 08:36:32.299708  <4>[   11.656145] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer.

 2645 08:36:32.309694  <4>[   11.667822] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator

 2646 08:36:32.320273  <6>[   11.685728] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2647 08:36:32.382827  <4>[   11.744868] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk

 2648 08:36:32.389385  <4>[   11.755214] da7219 i2c-DLGS7219:00: Invalid micbias pulse level

 2649 08:36:32.400182  <6>[   11.765620] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2650 08:36:32.420347  <6>[   11.785496] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2651 08:36:32.476365  <6>[   11.841973] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2652 08:36:32.479742  <6>[   11.845065] Registered efivars operations

 2653 08:36:32.497720  <6>[   11.866409] gsmi version 1.0 loaded

 2654 08:36:33.340512  <3>[   12.705660] i2c_designware i2c_designware.5: controller timed out

 2655 08:36:33.366101  <6>[   12.731119] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2656 08:36:33.376212  <6>[   12.732933] cros-usbpd-charger cros-usbpd-charger.2.auto: Could not get charger port count

 2657 08:36:33.382834  <6>[   12.739801] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (0408:3090)

 2658 08:36:33.392652  <6>[   12.748352] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2659 08:36:33.399395  <6>[   12.761099] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2660 08:36:33.421508  <6>[   12.783386] 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

 2661 08:36:33.431706  <6>[   12.790877] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2662 08:36:33.438311  <6>[   12.800382] usbcore: registered new interface driver uvcvideo

 2663 08:36:33.441566  <6>[   12.810826] USB Video Class driver (1.1.1)

 2664 08:36:33.451257  <6>[   12.813071] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2665 08:36:33.476574  <6>[   12.841838] udevadm (145) used greatest stack depth: 13400 bytes left

 2666 08:36:33.479710  Begin: Loading essential drivers ... done.

 2667 08:36:33.486982  Begin: Running /scripts/init-premount ... done.

 2668 08:36:33.493942  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

 2669 08:36:33.503626  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

 2670 08:36:33.506762  Device /sys/class/net/eth0 found

 2671 08:36:33.507183  done.

 2672 08:36:33.576094  IP-Config: eth0 hardware address 00:e0:4c:75:01:bd mtu 1500 DHCP

 2673 08:36:33.586160  IP-Config: eth0 complete (dhcp from 192.168.201.1):

 2674 08:36:33.592621   address: 192.168.201.15   broadcast: 192.168.201.255  netmask: 255.255.255.0   

 2675 08:36:33.602314   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         

 2676 08:36:33.609233   host   : asus-c523na-a20057-coral-cbg-3                                  

 2677 08:36:33.615770   domain : lava-rack                                                       

 2678 08:36:33.622381   rootserver: 192.168.201.1 rootpath: 

 2679 08:36:33.623021   filename  : 

 2680 08:36:33.763487  <6>[   13.129026] nfsmount (170) used greatest stack depth: 12520 bytes left

 2681 08:36:33.763628  done.

 2682 08:36:33.781128  Begin: Running /scripts/nfs-bottom ... done.

 2683 08:36:33.821417  Begin: Running /scripts/init-bottom ... done.

 2684 08:36:35.171212  SELinux:  Could not open policy file <= /etc/selinux/targeted/policy/policy.33:  No such file or directory

 2685 08:36:35.521504  <30>[   14.870551] systemd[1]: systemd 247.3-7+deb11u4 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)

 2686 08:36:35.542468  <30>[   14.911206] systemd[1]: Detected architecture x86-64.

 2687 08:36:35.569084  

 2688 08:36:35.572539  Welcome to Debian GNU/Linux 11 (bullseye)!

 2689 08:36:35.572962  

 2690 08:36:35.585588  <30>[   14.950953] systemd[1]: Set hostname to <debian-bullseye-amd64>.

 2691 08:36:36.894641  <30>[   16.259883] systemd[1]: Queued start job for default target Graphical Interface.

 2692 08:36:36.907307  <30>[   16.275695] systemd[1]: Created slice system-getty.slice.

 2693 08:36:36.914990  [  OK  ] Created slice system-getty.slice.

 2694 08:36:36.927524  <30>[   16.292546] systemd[1]: Created slice system-modprobe.slice.

 2695 08:36:36.934069  [  OK  ] Created slice system-modprobe.slice.

 2696 08:36:36.946401  <30>[   16.311651] systemd[1]: Created slice system-serial\x2dgetty.slice.

 2697 08:36:36.952658  [  OK  ] Created slice system-serial\x2dgetty.slice.

 2698 08:36:36.965629  <30>[   16.330506] systemd[1]: Created slice User and Session Slice.

 2699 08:36:36.971942  [  OK  ] Created slice User and Session Slice.

 2700 08:36:36.983979  <30>[   16.349167] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

 2701 08:36:36.993625  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

 2702 08:36:37.004811  <30>[   16.369781] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

 2703 08:36:37.014733  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

 2704 08:36:37.030132  <30>[   16.392064] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.

 2705 08:36:37.040346  [  OK  ] Set up automount Arbitrary…s File System Automount Point.

 2706 08:36:37.051063  <30>[   16.416088] systemd[1]: Reached target Local Encrypted Volumes.

 2707 08:36:37.057410  [  OK  ] Reached target Local Encrypted Volumes.

 2708 08:36:37.064764  <30>[   16.433053] systemd[1]: Reached target Paths.

 2709 08:36:37.071185  [  OK  ] Reached target Paths.

 2710 08:36:37.077972  <30>[   16.444874] systemd[1]: Reached target Remote File Systems.

 2711 08:36:37.084161  [  OK  ] Reached target Remote File Systems.

 2712 08:36:37.093658  <30>[   16.461941] systemd[1]: Reached target Slices.

 2713 08:36:37.100410  [  OK  ] Reached target Slices.

 2714 08:36:37.107132  <30>[   16.473989] systemd[1]: Reached target Swap.

 2715 08:36:37.109972  [  OK  ] Reached target Swap.

 2716 08:36:37.121658  <30>[   16.486983] systemd[1]: Listening on initctl Compatibility Named Pipe.

 2717 08:36:37.128111  [  OK  ] Listening on initctl Compatibility Named Pipe.

 2718 08:36:37.139826  <30>[   16.508191] systemd[1]: Listening on Journal Audit Socket.

 2719 08:36:37.150000  [  OK  ] Listening on Journal Audit Socket.

 2720 08:36:37.163068  <30>[   16.528152] systemd[1]: Listening on Journal Socket (/dev/log).

 2721 08:36:37.169528  [  OK  ] Listening on Journal Socket (/dev/log).

 2722 08:36:37.178225  <30>[   16.546781] systemd[1]: Listening on Journal Socket.

 2723 08:36:37.184967  [  OK  ] Listening on Journal Socket.

 2724 08:36:37.200326  <30>[   16.565262] systemd[1]: Listening on Network Service Netlink Socket.

 2725 08:36:37.206929  [  OK  ] Listening on Network Service Netlink Socket.

 2726 08:36:37.220110  <30>[   16.588837] systemd[1]: Listening on udev Control Socket.

 2727 08:36:37.230271  [  OK  ] Listening on udev Control Socket.

 2728 08:36:37.237916  <30>[   16.606433] systemd[1]: Listening on udev Kernel Socket.

 2729 08:36:37.247784  [  OK  ] Listening on udev Kernel Socket.

 2730 08:36:37.261621  <30>[   16.630256] systemd[1]: Mounting Huge Pages File System...

 2731 08:36:37.269112           Mounting Huge Pages File System...

 2732 08:36:37.289090  <30>[   16.654185] systemd[1]: Mounting POSIX Message Queue File System...

 2733 08:36:37.295412           Mounting POSIX Message Queue File System...

 2734 08:36:37.314296  <30>[   16.679640] systemd[1]: Mounting Kernel Debug File System...

 2735 08:36:37.320709           Mounting Kernel Debug File System...

 2736 08:36:37.340461  <30>[   16.705777] systemd[1]: Mounting Kernel Trace File System...

 2737 08:36:37.346697           Mounting Kernel Trace File System...

 2738 08:36:37.364723  <30>[   16.729730] systemd[1]: Starting Create list of static device nodes for the current kernel...

 2739 08:36:37.374851           Starting Create list of st…odes for the current kernel...

 2740 08:36:37.392906  <30>[   16.758389] systemd[1]: Starting Load Kernel Module configfs...

 2741 08:36:37.399218           Starting Load Kernel Module configfs...

 2742 08:36:37.421743  <30>[   16.790783] systemd[1]: Starting Load Kernel Module drm...

 2743 08:36:37.429967           Starting Load Kernel Module drm...

 2744 08:36:37.447066  <30>[   16.815807] systemd[1]: Starting Load Kernel Module fuse...

 2745 08:36:37.456784  <6>[   16.821104] mount (197) used greatest stack depth: 12368 bytes left

 2746 08:36:37.463388           Starting Load Kernel Module fuse...

 2747 08:36:37.486096  <30>[   16.848687] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

 2748 08:36:37.505772  <30>[   16.874849] systemd[1]: Starting Journal Service...

 2749 08:36:37.512507           Starting Journal Service...

 2750 08:36:37.525561  <6>[   16.894593] fuse: init (API version 7.32)

 2751 08:36:37.533331  <30>[   16.902022] systemd[1]: Starting Load Kernel Modules...

 2752 08:36:37.540435           Starting Load Kernel Modules...

 2753 08:36:37.559360  <30>[   16.924859] systemd[1]: Starting Remount Root and Kernel File Systems...

 2754 08:36:37.565913           Starting Remount Root and Kernel File Systems...

 2755 08:36:37.583298  <30>[   16.948710] systemd[1]: Starting Coldplug All udev Devices...

 2756 08:36:37.589836           Starting Coldplug All udev Devices...

 2757 08:36:37.616311  <30>[   16.984726] systemd[1]: Mounted Huge Pages File System.

 2758 08:36:37.622841  [  OK  ] Mounted Huge Pages File System.

 2759 08:36:37.636815  <30>[   17.001809] systemd[1]: Mounted POSIX Message Queue File System.

 2760 08:36:37.643040  [  OK  ] Mounted POSIX Message Queue File System.

 2761 08:36:37.657958  <30>[   17.026550] systemd[1]: Mounted Kernel Debug File System.

 2762 08:36:37.665561  [  OK  ] Mounted Kernel Debug File System.

 2763 08:36:37.676170  <30>[   17.044825] systemd[1]: Mounted Kernel Trace File System.

 2764 08:36:37.683184  [  OK  ] Mounted Kernel Trace File System.

 2765 08:36:37.702386  <30>[   17.067578] systemd[1]: Finished Create list of static device nodes for the current kernel.

 2766 08:36:37.712496  [  OK  ] Finished Create list of st… nodes for the current kernel.

 2767 08:36:37.728955  <30>[   17.094237] systemd[1]: modprobe@configfs.service: Succeeded.

 2768 08:36:37.735727  <30>[   17.103684] systemd[1]: Finished Load Kernel Module configfs.

 2769 08:36:37.745544  [  OK  ] Finished Load Kernel Module configfs.

 2770 08:36:37.754353  <30>[   17.123060] systemd[1]: modprobe@drm.service: Succeeded.

 2771 08:36:37.763195  <30>[   17.131947] systemd[1]: Finished Load Kernel Module drm.

 2772 08:36:37.770107  [  OK  ] Finished Load Kernel Module drm.

 2773 08:36:37.782632  <30>[   17.151224] systemd[1]: modprobe@fuse.service: Succeeded.

 2774 08:36:37.791709  <30>[   17.160522] systemd[1]: Finished Load Kernel Module fuse.

 2775 08:36:37.799826  [  OK  ] Finished Load Kernel Module fuse.

 2776 08:36:37.812790  <30>[   17.181392] systemd[1]: Finished Load Kernel Modules.

 2777 08:36:37.820068  [  OK  ] Finished Load Kernel Modules.

 2778 08:36:37.833466  <30>[   17.198959] systemd[1]: Finished Remount Root and Kernel File Systems.

 2779 08:36:37.840020  [  OK  ] Finished Remount Root and Kernel File Systems.

 2780 08:36:37.859089  <30>[   17.224565] systemd[1]: Mounting FUSE Control File System...

 2781 08:36:37.862251           Mounting FUSE Control File System...

 2782 08:36:37.881718  <30>[   17.247047] systemd[1]: Mounting Kernel Configuration File System...

 2783 08:36:37.888183           Mounting Kernel Configuration File System...

 2784 08:36:37.907477  <30>[   17.272687] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped.

 2785 08:36:37.921582  <30>[   17.283728] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped.

 2786 08:36:37.933568  <30>[   17.302421] systemd[1]: Starting Load/Save Random Seed...

 2787 08:36:37.940636           Starting Load/Save Random Seed...

 2788 08:36:37.955618  <30>[   17.324206] systemd[1]: Starting Apply Kernel Variables...

 2789 08:36:37.962734           Starting Apply Kernel Variables...

 2790 08:36:37.977742  <30>[   17.346554] systemd[1]: Starting Create System Users...

 2791 08:36:37.984723           Starting Create System Users...

 2792 08:36:38.013092  <30>[   17.381967] systemd[1]: Mounted FUSE Control File System.

 2793 08:36:38.023064  [  OK  ] Mounted FUSE Control File System.

 2794 08:36:38.042248  <30>[   17.407912] systemd[1]: Mounted Kernel Configuration File System.

 2795 08:36:38.048661  [  OK  ] Mounted Kernel Configuration File System.

 2796 08:36:38.073050  <30>[   17.441995] systemd[1]: Finished Load/Save Random Seed.

 2797 08:36:38.080133  [  OK  ] Finished Load/Save Random Seed.

 2798 08:36:38.095584  <30>[   17.461059] systemd[1]: Condition check resulted in First Boot Complete being skipped.

 2799 08:36:38.105375  <30>[   17.474136] systemd[1]: Finished Apply Kernel Variables.

 2800 08:36:38.112146  [  OK  ] Finished Apply Kernel Variables.

 2801 08:36:38.213629  <30>[   17.582622] systemd[1]: Finished Create System Users.

 2802 08:36:38.220132  [  OK  ] Finished Create System Users.

 2803 08:36:38.238460  <30>[   17.604046] systemd[1]: Starting Create Static Device Nodes in /dev...

 2804 08:36:38.245389           Starting Create Static Device Nodes in /dev...

 2805 08:36:38.353285  <30>[   17.722065] systemd[1]: Started Journal Service.

 2806 08:36:38.360296  [  OK  ] Started Journal Service.

 2807 08:36:38.387440           Starting Flush Journal to Persistent Storage...

 2808 08:36:38.402819  [  OK  ] Finished Create Static Device Nodes in /dev.

 2809 08:36:38.415286  [  OK  ] Reached target Local File Systems (Pre).

 2810 08:36:38.425139  [  OK  ] Reached target Local File Systems.

 2811 08:36:38.452257           Starting Rule-based Manage…for Device Events and Files...

 2812 08:36:38.469989  <46>[   17.835173] systemd-journald[206]: Received client request to flush runtime journal.

 2813 08:36:39.051516  [  OK  ] Finished Coldplug All udev Devices.

 2814 08:36:40.077397  [  OK  ] Finished Flush Journal to Persistent Storage.

 2815 08:36:40.094294           Starting Create Volatile Files and Directories...

 2816 08:36:40.141887  [  OK  ] Started Rule-based Manager for Device Events and Files.

 2817 08:36:40.164234           Starting Network Service...

 2818 08:36:41.187414  [  OK  ] Found device Celeron N3350…3900 Series HSUART Controller.

 2819 08:36:41.625436  [  OK  ] Finished Create Volatile Files and Directories.

 2820 08:36:41.652255  [  OK  ] Started Network Service.

 2821 08:36:41.813154  [  OK  ] Created slice system-systemd\x2dbacklight.slice.

 2822 08:36:41.824455  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 2823 08:36:41.840481           Starting Load/Save Screen …f backlight:intel_backlight...

 2824 08:36:41.869739           Starting Network Name Resolution...

 2825 08:36:41.897593           Starting Network Time Synchronization...

 2826 08:36:41.918551           Starting Update UTMP about System Boot/Shutdown...

 2827 08:36:41.936950  [  OK  ] Finished Load/Save Screen … of backlight:intel_backlight.

 2828 08:36:42.007207  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 2829 08:36:42.462548  [  OK  ] Started Network Time Synchronization.

 2830 08:36:42.479056  [  OK  ] Reached target System Initialization.

 2831 08:36:42.491184  [  OK  ] Started Daily Cleanup of Temporary Directories.

 2832 08:36:42.498773  [  OK  ] Reached target System Time Set.

 2833 08:36:42.512902  [  OK  ] Reached target System Time Synchronized.

 2834 08:36:42.562788  [  OK  ] Started Daily apt download activities.

 2835 08:36:42.578893  [  OK  ] Started Daily apt upgrade and clean activities.

 2836 08:36:42.642638  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 2837 08:36:42.707013  [  OK  ] Started Discard unused blocks once a week.

 2838 08:36:42.713707  [  OK  ] Reached target Timers.

 2839 08:36:42.768579  [  OK  ] Listening on D-Bus System Message Bus Socket.

 2840 08:36:42.777993  [  OK  ] Reached target Sockets.

 2841 08:36:42.785088  [  OK  ] Reached target Basic System.

 2842 08:36:42.803913  [  OK  ] Started D-Bus System Message Bus.

 2843 08:36:42.888843           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 2844 08:36:42.989150           Starting User Login Management...

 2845 08:36:43.094637  [  OK  ] Started Network Name Resolution.

 2846 08:36:43.106892  [  OK  ] Reached target Network.

 2847 08:36:43.119350  [  OK  ] Reached target Host and Network Name Lookups.

 2848 08:36:43.133109           Starting Permit User Sessions...

 2849 08:36:43.325950  [  OK  ] Finished Permit User Sessions.

 2850 08:36:43.340725  [  OK  ] Started Getty on tty1.

 2851 08:36:43.355858  [  OK  ] Started Serial Getty on ttyS2.

 2852 08:36:43.365840  [  OK  ] Reached target Login Prompts.

 2853 08:36:43.388224  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 2854 08:36:43.436473  [  OK  ] Started User Login Management.

 2855 08:36:43.453283  [  OK  ] Reached target Multi-User System.

 2856 08:36:43.465176  [  OK  ] Reached target Graphical Interface.

 2857 08:36:43.482429           Starting Update UTMP about System Runlevel Changes...

 2858 08:36:43.579015  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 2859 08:36:43.685745  

 2860 08:36:43.686262  

 2861 08:36:43.688649  Debian GNU/Linux 11 debian-bullseye-amd64 ttyS2

 2862 08:36:43.689165  

 2863 08:36:43.695349  debian-bullseye-amd64 login: root (automatic login)

 2864 08:36:43.695911  

 2865 08:36:43.696412  

 2866 08:36:44.188734  Linux debian-bullseye-amd64 5.10.209-cip44 #1 SMP Thu Feb 29 08:18:41 UTC 2024 x86_64

 2867 08:36:44.188869  

 2868 08:36:44.195208  The programs included with the Debian GNU/Linux system are free software;

 2869 08:36:44.201872  the exact distribution terms for each program are described in the

 2870 08:36:44.208631  individual files in /usr/share/doc/*/copyright.

 2871 08:36:44.208710  

 2872 08:36:44.215243  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 2873 08:36:44.218275  permitted by applicable law.

 2874 08:36:45.711482  Matched prompt #10: / #
 2876 08:36:45.712805  Kernel warnings or errors detected.
 2877 08:36:45.713142  Setting prompt string to ['/ #']
 2878 08:36:45.713598  end: 2.2.5.1 login-action (duration 00:00:24) [common]
 2880 08:36:45.714788  end: 2.2.5 auto-login-action (duration 00:00:25) [common]
 2881 08:36:45.715231  start: 2.2.6 expect-shell-connection (timeout 00:04:01) [common]
 2882 08:36:45.715583  Setting prompt string to ['/ #']
 2883 08:36:45.715889  Forcing a shell prompt, looking for ['/ #']
 2885 08:36:45.766639  / # 

 2886 08:36:45.767131  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 2887 08:36:45.767492  Waiting using forced prompt support (timeout 00:02:30)
 2888 08:36:45.773934  

 2889 08:36:45.774677  end: 2.2.6 expect-shell-connection (duration 00:00:00) [common]
 2890 08:36:45.775139  start: 2.2.7 export-device-env (timeout 00:04:01) [common]
 2892 08:36:45.876214  / #export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12894230/extract-nfsrootfs-1di1a08z'

 2893 08:36:45.883298   export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12894230/extract-nfsrootfs-1di1a08z'

 2895 08:36:45.984947  / # export NFS_SERVER_IP='192.168.201.1'

 2896 08:36:45.990237  export NFS_SERVER_IP='192.168.201.1'

 2897 08:36:45.990563  end: 2.2.7 export-device-env (duration 00:00:00) [common]
 2898 08:36:45.990677  end: 2.2 depthcharge-retry (duration 00:00:59) [common]
 2899 08:36:45.990779  end: 2 depthcharge-action (duration 00:00:59) [common]
 2900 08:36:45.990874  start: 3 lava-test-retry (timeout 00:08:32) [common]
 2901 08:36:45.990960  start: 3.1 lava-test-shell (timeout 00:08:32) [common]
 2902 08:36:45.991034  Using namespace: common
 2904 08:36:46.091393  / # #

 2905 08:36:46.091554  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 2906 08:36:46.096513  #

 2907 08:36:46.096778  Using /lava-12894230
 2909 08:36:46.197226  / # export SHELL=/bin/bash

 2910 08:36:46.204465  export SHELL=/bin/bash

 2912 08:36:46.306248  / # . /lava-12894230/environment

 2913 08:36:46.312564  . /lava-12894230/environment

 2915 08:36:46.423490  / # /lava-12894230/bin/lava-test-runner /lava-12894230/0

 2916 08:36:46.424134  Test shell timeout: 10s (minimum of the action and connection timeout)
 2917 08:36:46.429812  /lava-12894230/bin/lava-test-runner /lava-12894230/0

 2918 08:36:46.978977  + export TESTRUN_ID=0_timesync-off

 2919 08:36:46.979144  + TESTRUN_ID=0_timesync-off

 2920 08:36:46.985348  + cd /lava-12894230/0/tests/0_timesync-off

 2921 08:36:46.985461  ++ cat uuid

 2922 08:36:47.010269  + UUID=12894230_1.5.2.3.1

 2923 08:36:47.013594  + set +x

 2924 08:36:47.017077  <LAVA_SIGNAL_STARTRUN 0_timesync-off 12894230_1.5.2.3.1>

 2925 08:36:47.017462  Received signal: <STARTRUN> 0_timesync-off 12894230_1.5.2.3.1
 2926 08:36:47.017639  Starting test lava.0_timesync-off (12894230_1.5.2.3.1)
 2927 08:36:47.017852  Skipping test definition patterns.
 2928 08:36:47.020227  + systemctl stop systemd-timesyncd

 2929 08:36:47.130919  + set +x

 2930 08:36:47.134058  <LAVA_SIGNAL_ENDRUN 0_timesync-off 12894230_1.5.2.3.1>

 2931 08:36:47.134870  Received signal: <ENDRUN> 0_timesync-off 12894230_1.5.2.3.1
 2932 08:36:47.135490  Ending use of test pattern.
 2933 08:36:47.135957  Ending test lava.0_timesync-off (12894230_1.5.2.3.1), duration 0.12
 2935 08:36:47.324407  + export TESTRUN_ID=1_kselftest-lkdtm

 2936 08:36:47.327672  + TESTRUN_ID=1_kselftest-lkdtm

 2937 08:36:47.330822  + cd /lava-12894230/0/tests/1_kselftest-lkdtm

 2938 08:36:47.331312  ++ cat uuid

 2939 08:36:47.351313  + UUID=12894230_1.5.2.3.5

 2940 08:36:47.354373  + set +x

 2941 08:36:47.357827  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 12894230_1.5.2.3.5>

 2942 08:36:47.358505  Received signal: <STARTRUN> 1_kselftest-lkdtm 12894230_1.5.2.3.5
 2943 08:36:47.359088  Starting test lava.1_kselftest-lkdtm (12894230_1.5.2.3.5)
 2944 08:36:47.359609  Skipping test definition patterns.
 2945 08:36:47.361407  + cd ./automated/linux/kselftest/

 2946 08:36:47.397587  + ./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/v5.10.209-cip44-56-g55117716ac0fd/x86_64/x86_64_defconfig+x86-board+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

 2947 08:36:47.534984  INFO: install_deps skipped

 2948 08:36:47.706613  --2024-02-29 08:36:47--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-56-g55117716ac0fd/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz

 2949 08:36:47.740487  Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82

 2950 08:36:47.870254  Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected.

 2951 08:36:47.999764  HTTP request sent, awaiting response... 200 OK

 2952 08:36:48.002677  Length: 3552592 (3.4M) [application/octet-stream]

 2953 08:36:48.006463  Saving to: 'kselftest.tar.xz'

 2954 08:36:48.007021  

 2955 08:36:48.007383  

 2956 08:36:48.257872  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               

 2957 08:36:48.516392  kselftest.tar.xz      1%[                    ]  47.81K   187KB/s               

 2958 08:36:48.774259  kselftest.tar.xz      6%[>                   ] 216.08K   420KB/s               

 2959 08:36:49.003300  kselftest.tar.xz     25%[====>               ] 894.83K  1.13MB/s               

 2960 08:36:49.375367  kselftest.tar.xz     39%[======>             ]   1.34M  1.34MB/s               

 2961 08:36:49.587553  kselftest.tar.xz     70%[=============>      ]   2.37M  1.73MB/s               

 2962 08:36:49.799180  kselftest.tar.xz     73%[=============>      ]   2.50M  1.58MB/s               

 2963 08:36:49.856687  kselftest.tar.xz     85%[================>   ]   2.91M  1.62MB/s               

 2964 08:36:49.862623  kselftest.tar.xz    100%[===================>]   3.39M  1.83MB/s    in 1.9s    

 2965 08:36:49.863241  

 2966 08:36:50.177547  2024-02-29 08:36:50 (1.83 MB/s) - 'kselftest.tar.xz' saved [3552592/3552592]

 2967 08:36:50.177725  

 2968 08:37:02.316547  skiplist:

 2969 08:37:02.319728  ========================================

 2970 08:37:02.323184  ========================================

 2971 08:37:02.426550  lkdtm:PANIC.sh

 2972 08:37:02.427242  lkdtm:BUG.sh

 2973 08:37:02.429940  lkdtm:WARNING.sh

 2974 08:37:02.433031  lkdtm:WARNING_MESSAGE.sh

 2975 08:37:02.433440  lkdtm:EXCEPTION.sh

 2976 08:37:02.436660  lkdtm:LOOP.sh

 2977 08:37:02.437086  lkdtm:EXHAUST_STACK.sh

 2978 08:37:02.439663  lkdtm:CORRUPT_STACK.sh

 2979 08:37:02.443181  lkdtm:CORRUPT_STACK_STRONG.sh

 2980 08:37:02.446319  lkdtm:CORRUPT_LIST_ADD.sh

 2981 08:37:02.449717  lkdtm:CORRUPT_LIST_DEL.sh

 2982 08:37:02.453166  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2983 08:37:02.456465  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2984 08:37:02.456910  lkdtm:UNSET_SMEP.sh

 2985 08:37:02.459829  lkdtm:DOUBLE_FAULT.sh

 2986 08:37:02.462991  lkdtm:CORRUPT_PAC.sh

 2987 08:37:02.466570  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2988 08:37:02.469625  lkdtm:OVERWRITE_ALLOCATION.sh

 2989 08:37:02.472972  lkdtm:WRITE_AFTER_FREE.sh

 2990 08:37:02.473384  lkdtm:READ_AFTER_FREE.sh

 2991 08:37:02.476529  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2992 08:37:02.479627  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2993 08:37:02.483119  lkdtm:SLAB_FREE_DOUBLE.sh

 2994 08:37:02.486180  lkdtm:SLAB_FREE_CROSS.sh

 2995 08:37:02.486595  lkdtm:SLAB_FREE_PAGE.sh

 2996 08:37:02.489469  lkdtm:SOFTLOCKUP.sh

 2997 08:37:02.492738  lkdtm:HARDLOCKUP.sh

 2998 08:37:02.493154  lkdtm:SPINLOCKUP.sh

 2999 08:37:02.496109  lkdtm:HUNG_TASK.sh

 3000 08:37:02.499350  lkdtm:EXEC_DATA.sh

 3001 08:37:02.499770  lkdtm:EXEC_STACK.sh

 3002 08:37:02.502732  lkdtm:EXEC_KMALLOC.sh

 3003 08:37:02.503151  lkdtm:EXEC_VMALLOC.sh

 3004 08:37:02.506019  lkdtm:EXEC_RODATA.sh

 3005 08:37:02.509430  lkdtm:EXEC_USERSPACE.sh

 3006 08:37:02.509879  lkdtm:EXEC_NULL.sh

 3007 08:37:02.512921  lkdtm:ACCESS_USERSPACE.sh

 3008 08:37:02.516252  lkdtm:ACCESS_NULL.sh

 3009 08:37:02.516671  lkdtm:WRITE_RO.sh

 3010 08:37:02.519282  lkdtm:WRITE_RO_AFTER_INIT.sh

 3011 08:37:02.522735  lkdtm:WRITE_KERN.sh

 3012 08:37:02.526040  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 3013 08:37:02.529599  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 3014 08:37:02.532575  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3015 08:37:02.535877  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3016 08:37:02.539293  lkdtm:REFCOUNT_DEC_ZERO.sh

 3017 08:37:02.542439  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 3018 08:37:02.545838  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3019 08:37:02.549106  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 3020 08:37:02.552837  lkdtm:REFCOUNT_INC_ZERO.sh

 3021 08:37:02.555853  lkdtm:REFCOUNT_ADD_ZERO.sh

 3022 08:37:02.559262  lkdtm:REFCOUNT_INC_SATURATED.sh

 3023 08:37:02.562302  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3024 08:37:02.565768  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3025 08:37:02.569039  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3026 08:37:02.572361  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3027 08:37:02.579375  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3028 08:37:02.582373  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3029 08:37:02.585518  lkdtm:REFCOUNT_TIMING.sh

 3030 08:37:02.585953  lkdtm:ATOMIC_TIMING.sh

 3031 08:37:02.588533  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3032 08:37:02.592225  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3033 08:37:02.598802  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3034 08:37:02.602001  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3035 08:37:02.605115  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3036 08:37:02.608829  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3037 08:37:02.611803  lkdtm:USERCOPY_STACK_BEYOND.sh

 3038 08:37:02.612285  lkdtm:USERCOPY_KERNEL.sh

 3039 08:37:02.615413  lkdtm:STACKLEAK_ERASING.sh

 3040 08:37:02.619102  lkdtm:CFI_FORWARD_PROTO.sh

 3041 08:37:02.621965  ============== Tests to run ===============

 3042 08:37:02.625290  lkdtm:PANIC.sh

 3043 08:37:02.625803  lkdtm:BUG.sh

 3044 08:37:02.628663  lkdtm:WARNING.sh

 3045 08:37:02.632035  lkdtm:WARNING_MESSAGE.sh

 3046 08:37:02.632619  lkdtm:EXCEPTION.sh

 3047 08:37:02.635130  lkdtm:LOOP.sh

 3048 08:37:02.635614  lkdtm:EXHAUST_STACK.sh

 3049 08:37:02.638584  lkdtm:CORRUPT_STACK.sh

 3050 08:37:02.641609  lkdtm:CORRUPT_STACK_STRONG.sh

 3051 08:37:02.644903  lkdtm:CORRUPT_LIST_ADD.sh

 3052 08:37:02.648159  lkdtm:CORRUPT_LIST_DEL.sh

 3053 08:37:02.651916  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 3054 08:37:02.654882  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 3055 08:37:02.655315  lkdtm:UNSET_SMEP.sh

 3056 08:37:02.658379  lkdtm:DOUBLE_FAULT.sh

 3057 08:37:02.661824  lkdtm:CORRUPT_PAC.sh

 3058 08:37:02.665278  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 3059 08:37:02.668489  lkdtm:OVERWRITE_ALLOCATION.sh

 3060 08:37:02.669034  lkdtm:WRITE_AFTER_FREE.sh

 3061 08:37:02.671691  lkdtm:READ_AFTER_FREE.sh

 3062 08:37:02.674878  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 3063 08:37:02.678041  lkdtm:READ_BUDDY_AFTER_FREE.sh

 3064 08:37:02.681659  lkdtm:SLAB_FREE_DOUBLE.sh

 3065 08:37:02.685347  lkdtm:SLAB_FREE_CROSS.sh

 3066 08:37:02.685942  lkdtm:SLAB_FREE_PAGE.sh

 3067 08:37:02.688227  lkdtm:SOFTLOCKUP.sh

 3068 08:37:02.691658  lkdtm:HARDLOCKUP.sh

 3069 08:37:02.692094  lkdtm:SPINLOCKUP.sh

 3070 08:37:02.695054  lkdtm:HUNG_TASK.sh

 3071 08:37:02.695492  lkdtm:EXEC_DATA.sh

 3072 08:37:02.697981  lkdtm:EXEC_STACK.sh

 3073 08:37:02.701425  lkdtm:EXEC_KMALLOC.sh

 3074 08:37:02.701880  lkdtm:EXEC_VMALLOC.sh

 3075 08:37:02.704888  lkdtm:EXEC_RODATA.sh

 3076 08:37:02.708196  lkdtm:EXEC_USERSPACE.sh

 3077 08:37:02.708716  lkdtm:EXEC_NULL.sh

 3078 08:37:02.711181  lkdtm:ACCESS_USERSPACE.sh

 3079 08:37:02.714583  lkdtm:ACCESS_NULL.sh

 3080 08:37:02.715106  lkdtm:WRITE_RO.sh

 3081 08:37:02.717854  lkdtm:WRITE_RO_AFTER_INIT.sh

 3082 08:37:02.721231  lkdtm:WRITE_KERN.sh

 3083 08:37:02.724538  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 3084 08:37:02.727884  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 3085 08:37:02.731749  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3086 08:37:02.734524  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3087 08:37:02.737948  lkdtm:REFCOUNT_DEC_ZERO.sh

 3088 08:37:02.741442  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 3089 08:37:02.744731  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3090 08:37:02.747690  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 3091 08:37:02.751069  lkdtm:REFCOUNT_INC_ZERO.sh

 3092 08:37:02.754487  lkdtm:REFCOUNT_ADD_ZERO.sh

 3093 08:37:02.757795  lkdtm:REFCOUNT_INC_SATURATED.sh

 3094 08:37:02.761347  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3095 08:37:02.764833  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3096 08:37:02.767743  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3097 08:37:02.771169  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3098 08:37:02.777622  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3099 08:37:02.781383  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3100 08:37:02.784764  lkdtm:REFCOUNT_TIMING.sh

 3101 08:37:02.785325  lkdtm:ATOMIC_TIMING.sh

 3102 08:37:02.787497  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3103 08:37:02.790878  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3104 08:37:02.794174  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3105 08:37:02.797597  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3106 08:37:02.801004  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3107 08:37:02.804478  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3108 08:37:02.807413  lkdtm:USERCOPY_STACK_BEYOND.sh

 3109 08:37:02.810961  lkdtm:USERCOPY_KERNEL.sh

 3110 08:37:02.814078  lkdtm:STACKLEAK_ERASING.sh

 3111 08:37:02.817423  lkdtm:CFI_FORWARD_PROTO.sh

 3112 08:37:02.820729  ===========End Tests to run ===============

 3113 08:37:02.823809  shardfile-lkdtm pass

 3114 08:37:04.066881  <12>[   43.435345] kselftest: Running tests in lkdtm

 3115 08:37:04.091480  TAP version 13

 3116 08:37:04.117390  1..70

 3117 08:37:04.141914  # selftests: lkdtm: PANIC.sh

 3118 08:37:04.745613  # Skipping PANIC: crashes entire system

 3119 08:37:04.753998  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 3120 08:37:04.774216  # selftests: lkdtm: BUG.sh

 3121 08:37:05.039164  <6>[   44.407325] lkdtm: Performing direct entry BUG

 3122 08:37:05.045471  <4>[   44.412951] ------------[ cut here ]------------

 3123 08:37:05.052206  <2>[   44.418479] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3124 08:37:05.058958  <4>[   44.425648] invalid opcode: 0000 [#1] SMP PTI

 3125 08:37:05.065530  <4>[   44.430841] CPU: 0 PID: 637 Comm: cat Tainted: G        W         5.10.209-cip44 #1

 3126 08:37:05.072265  <4>[   44.439722] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3127 08:37:05.078574  <4>[   44.446663] RIP: 0010:lkdtm_BUG+0x5/0x10

 3128 08:37:05.098531  <4>[   44.451360] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 3129 08:37:05.105096  <4>[   44.472713] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 3130 08:37:05.114920  <4>[   44.478867] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 3131 08:37:05.121550  <4>[   44.487166] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 3132 08:37:05.131459  <4>[   44.495464] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 3133 08:37:05.138271  <4>[   44.503760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3134 08:37:05.148190  <4>[   44.512057] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 3135 08:37:05.154986  <4>[   44.520352] FS:  00007f3a303a7580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 3136 08:37:05.164602  <4>[   44.529717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3137 08:37:05.171772  <4>[   44.536454] CR2: 00007f3a301b1000 CR3: 000000010588a000 CR4: 00000000003506f0

 3138 08:37:05.174709  <4>[   44.544744] Call Trace:

 3139 08:37:05.177860  <4>[   44.547791]  ? __die_body.cold+0x1a/0x1f

 3140 08:37:05.181261  <4>[   44.552488]  ? die+0x2b/0x50

 3141 08:37:05.188024  <4>[   44.556013]  ? do_trap+0x91/0x110

 3142 08:37:05.191748  <4>[   44.560020]  ? lkdtm_BUG+0x5/0x10

 3143 08:37:05.194428  <4>[   44.564035]  ? do_error_trap+0x90/0x110

 3144 08:37:05.197877  <4>[   44.568624]  ? lkdtm_BUG+0x5/0x10

 3145 08:37:05.204527  <4>[   44.572629]  ? lkdtm_BUG+0x5/0x10

 3146 08:37:05.207860  <4>[   44.576644]  ? exc_invalid_op+0x4e/0x70

 3147 08:37:05.211157  <4>[   44.581240]  ? lkdtm_BUG+0x5/0x10

 3148 08:37:05.218088  <4>[   44.585253]  ? asm_exc_invalid_op+0x12/0x20

 3149 08:37:05.221082  <4>[   44.590245]  ? direct_entry+0xe0/0xe0

 3150 08:37:05.224715  <4>[   44.594646]  ? lkdtm_BUG+0x5/0x10

 3151 08:37:05.230745  <4>[   44.598658]  direct_entry.cold+0x2c/0x38

 3152 08:37:05.234015  <4>[   44.603351]  full_proxy_write+0x56/0x80

 3153 08:37:05.237420  <4>[   44.607950]  vfs_write+0xea/0x3b0

 3154 08:37:05.244025  <4>[   44.611964]  ksys_write+0x68/0xf0

 3155 08:37:05.247763  <4>[   44.615977]  do_syscall_64+0x33/0x40

 3156 08:37:05.254162  <4>[   44.620274]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3157 08:37:05.257546  <4>[   44.626239] RIP: 0033:0x7f3a302bd473

 3158 08:37:05.277349  <4>[   44.630545] 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

 3159 08:37:05.286796  <4>[   44.651874] RSP: 002b:00007ffc7d849b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3160 08:37:05.296965  <4>[   44.660637] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3a302bd473

 3161 08:37:05.303383  <4>[   44.668932] RDX: 0000000000000004 RSI: 00007f3a301b1000 RDI: 0000000000000001

 3162 08:37:05.313174  <4>[   44.677211] RBP: 00007f3a301b1000 R08: 00007f3a301b0010 R09: 0000000000000000

 3163 08:37:05.320271  <4>[   44.685505] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3164 08:37:05.329893  <4>[   44.693799] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3165 08:37:05.369453  <4>[   44.702103] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3166 08:37:05.376386  <0>[   44.744231] gsmi: Log Shutdown Reason 0x03

 3167 08:37:05.382418  <4>[   44.749181] ---[ end trace f420f41c7bc8cebc ]---

 3168 08:37:05.385856  <4>[   44.754682] RIP: 0010:lkdtm_BUG+0x5/0x10

 3169 08:37:05.408855  <4>[   44.759391] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 3170 08:37:05.412366  <4>[   44.780759] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 3171 08:37:05.422398  <4>[   44.786928] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 3172 08:37:05.428609  <4>[   44.795241] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 3173 08:37:05.438602  <4>[   44.803564] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 3174 08:37:05.445471  <4>[   44.811887] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3175 08:37:05.455255  <4>[   44.820186] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 3176 08:37:05.465162  <4>[   44.828493] FS:  00007f3a303a7580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 3177 08:37:05.472160  <4>[   44.837924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3178 08:37:05.478444  <4>[   44.844706] CR2: 00007f3a301b1000 CR3: 000000010588a000 CR4: 00000000003506f0

 3179 08:37:05.482743  # Segmentation fault

 3180 08:37:05.529218  # [   44.407325] lkdtm: Performing direct entry BUG

 3181 08:37:05.536028  # [   44.412951] ------------[ cut here ]------------

 3182 08:37:05.539073  # [   44.418479] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3183 08:37:05.545789  # [   44.425648] invalid opcode: 0000 [#1] SMP PTI

 3184 08:37:05.555930  # [   44.430841] CPU: 0 PID: 637 Comm: cat Tainted: G        W         5.10.209-cip44 #1

 3185 08:37:05.562122  # [   44.439722] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3186 08:37:05.565681  # [   44.446663] RIP: 0010:lkdtm_BUG+0x5/0x10

 3187 08:37:05.589057  # [   44.451360] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 3188 08:37:05.592580  # [   44.472713] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 3189 08:37:05.602340  # [   44.478867] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 3190 08:37:05.608736  # [   44.487166] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 3191 08:37:05.618729  # [   44.495464] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 3192 08:37:05.625132  # [   44.503760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3193 08:37:05.635134  # [   44.512057] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 3194 08:37:05.641826  # [   44.520352] FS:  00007f3a303a7580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 3195 08:37:05.648550  # [   44.529717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3196 08:37:05.658310  # [   44.536454] CR2: 00007f3a301b1000 CR3: 000000010588a000 CR4: 00000000003506f0

 3197 08:37:05.661400  # [   44.544744] Call Trace:

 3198 08:37:05.665295  # [   44.547791]  ? __die_body.cold+0x1a/0x1f

 3199 08:37:05.668346  # [   44.552488]  ? die+0x2b/0x50

 3200 08:37:05.671343  # [   44.556013]  ? do_trap+0x91/0x110

 3201 08:37:05.678337  # [   44.560020]  ? lkdtm_BUG+0x5/0x10

 3202 08:37:05.681822  # [   44.564035]  ? do_error_trap+0x90/0x110

 3203 08:37:05.684670  # [   44.568624]  ? lkdtm_BUG+0x5/0x10

 3204 08:37:05.688253  # [   44.572629]  ? lkdtm_BUG+0x5/0x10

 3205 08:37:05.694583  # [   44.576644]  ? exc_invalid_op+0x4e/0x70

 3206 08:37:05.697830  # [   44.581240]  ? lkdtm_BUG+0x5/0x10

 3207 08:37:05.701261  # [   44.585253]  ? asm_exc_invalid_op+0x12/0x20

 3208 08:37:05.708258  # [   44.590245]  ? direct_entry+0xe0/0xe0

 3209 08:37:05.711229  # [   44.594646]  ? lkdtm_BUG+0x5/0x10

 3210 08:37:05.714552  # [   44.598658]  direct_entry.cold+0x2c/0x38

 3211 08:37:05.721216  # [   44.603351]  full_proxy_write+0x56/0x80

 3212 08:37:05.724519  # [   44.607950]  vfs_write+0xea/0x3b0

 3213 08:37:05.727759  # [   44.611964]  ksys_write+0x68/0xf0

 3214 08:37:05.731195  # [   44.615977]  do_syscall_64+0x33/0x40

 3215 08:37:05.738023  # [   44.620274]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3216 08:37:05.740903  # [   44.626239] RIP: 0033:0x7f3a302bd473

 3217 08:37:05.764245  # [   44.630545] 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

 3218 08:37:05.770920  # [   44.651874] RSP: 002b:00007ffc7d849b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3219 08:37:05.780948  # [   44.660637] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3a302bd473

 3220 08:37:05.787679  # [   44.6689<6>[   45.148487] lkdtm: Performing direct entry WARNING

 3221 08:37:05.794198  <4>[   45.160366] ------------[ cut here ]------------

 3222 08:37:05.807367  32] RDX: 0000000000000004 RSI: 00007f3a301b1000 RDI: 00000000000<4>[   45.165882] WARNING: CPU: 0 PID: 675 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3223 08:37:05.810364  00001

 3224 08:37:05.853567  # [   44.677211] RBP: 00007f3a301b1000 R08: 00007f3a301b0<4>[   45.181858] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3225 08:37:05.863478  <4>[   45.228330] CPU: 0 PID: 675 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3226 08:37:05.870335  <4>[   45.237260] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3227 08:37:05.876946  <4>[   45.244228] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3228 08:37:05.896834  <4>[   45.249428] 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 d0 9a 2a 03 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 b1 9a

 3229 08:37:05.903043  <4>[   45.270809] RSP: 0018:ffffa900c12bfe60 EFLAGS: 00010202

 3230 08:37:05.913339  <4>[   45.276985] RAX: ffffffff8977c230 RBX: 0000000000000002 RCX: 0000000000000000

 3231 08:37:05.919295  <4>[   45.285301] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94040

 3232 08:37:05.929082  <4>[   45.293617] RBP: ffffffff8b01a117 R08: 0000000000000000 R09: 0000000000000000

 3233 08:37:05.935536  <4>[   45.301932] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3234 08:37:05.945628  <4>[   45.310244] R13: ffffa900c12bff10 R14: ffffa900c12bff10 R15: ffff9981c512f000

 3235 08:37:05.955383  <4>[   45.318555] FS:  00007f2e7c6d0580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 3236 08:37:05.962129  <4>[   45.327942] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3237 08:37:05.968710  <4>[   45.334690] CR2: 00007f2e7c4da000 CR3: 0000000102664000 CR4: 00000000003506f0

 3238 08:37:05.971967  <4>[   45.342999] Call Trace:

 3239 08:37:05.975025  <4>[   45.346060]  ? __warn+0x80/0x110

 3240 08:37:05.981897  <4>[   45.349991]  ? lkdtm_WARNING+0x13/0x20

 3241 08:37:05.984903  <4>[   45.354509]  ? report_bug+0x9e/0xc0

 3242 08:37:05.988385  <4>[   45.358732]  ? handle_bug+0x41/0x90

 3243 08:37:05.994979  <4>[   45.362948]  ? exc_invalid_op+0x14/0x70

 3244 08:37:05.998053  <4>[   45.367561]  ? asm_exc_invalid_op+0x12/0x20

 3245 08:37:06.001666  <4>[   45.372569]  ? lkdtm_BUG+0x10/0x10

 3246 08:37:06.008039  <4>[   45.376694]  ? lkdtm_WARNING+0x13/0x20

 3247 08:37:06.011403  <4>[   45.381214]  direct_entry.cold+0x2c/0x38

 3248 08:37:06.017956  <4>[   45.385933]  full_proxy_write+0x56/0x80

 3249 08:37:06.021343  <4>[   45.390538]  vfs_write+0xea/0x3b0

 3250 08:37:06.024702  <4>[   45.394567]  ksys_write+0x68/0xf0

 3251 08:37:06.027736  <4>[   45.398602]  do_syscall_64+0x33/0x40

 3252 08:37:06.034456  <4>[   45.402930]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3253 08:37:06.040844  <4>[   45.408912] RIP: 0033:0x7f2e7c5e6473

 3254 08:37:06.060720  <4>[   45.413231] 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

 3255 08:37:06.070724  <4>[   45.434606] RSP: 002b:00007ffd0799c828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3256 08:37:06.070869  010 R09: 0000000000000000

 3257 08:37:06.084062  # [   44.685505] R10: fffffffffffffbc<4>[   45.443413] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2e7c5e6473

 3258 08:37:06.093821  <4>[   45.457964] RDX: 0000000000000008 RSI: 00007f2e7c4da000 RDI: 0000000000000001

 3259 08:37:06.100402  <4>[   45.466280] RBP: 00007f2e7c4da000 R08: 00007f2e7c4d9010 R09: 0000000000000000

 3260 08:37:06.110396  <4>[   45.474598] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3261 08:37:06.116767  <4>[   45.482916] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3262 08:37:06.123266  5 R11: 0000000000000246 R12: 0000000000000001

 3263 08:37:06.126590  # [   44.693799] <4>[   45.491242] irq event stamp: 0

 3264 08:37:06.139949  R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000<4>[   45.501200] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3265 08:37:06.150135  <4>[   45.514776] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3266 08:37:06.159658  <4>[   45.524257] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3267 08:37:06.166189  <4>[   45.533734] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3268 08:37:06.172892  <4>[   45.541077] ---[ end trace f420f41c7bc8cebd ]---

 3269 08:37:06.172997  0

 3270 08:37:06.212531  # [   44.702103] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3271 08:37:06.219121  # [   44.744231] gsmi: Log Shutdown Reason 0x03

 3272 08:37:06.222716  # [   44.749181] ---[ end trace f420f41c7bc8cebc ]---

 3273 08:37:06.229057  # [   44.754682] RIP: 0010:lkdtm_BUG+0x5/0x10

 3274 08:37:06.249053  # [   44.759391] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 3275 08:37:06.255657  # [   44.780759] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 3276 08:37:06.262276  # [   44.786928] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 3277 08:37:06.272055  # [   44.795241] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 3278 08:37:06.278829  # [   44.803564] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 3279 08:37:06.288851  # [   44.811887] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3280 08:37:06.295348  # [   44.820186] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 3281 08:37:06.305428  # [   44.828493] FS:  00007f3a303a7580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 3282 08:37:06.312081  # [   44.837924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3283 08:37:06.318801  # [   44.844706] CR2: 00007f3a301b1000 CR3: 000000010588a000 CR4: 00000000003506f0

 3284 08:37:06.321830  # BUG: saw 'kernel BUG at': ok

 3285 08:37:06.325093  ok 2 selftests: lkdtm: BUG.sh

 3286 08:37:06.328367  # selftests: lkdtm: WARNING.sh

 3287 08:37:06.335093  # [   45.148487] lkdtm: Performing direct entry WARNING

 3288 08:37:06.341506  # [   45.160366] ------------[ cut here ]------------

 3289 08:37:06.351326  # [   45.165882] WARNING: CPU: 0 PID: 675 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3290 08:37:06.391584  # [   45.181858] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3291 08:37:06.398081  # [   45.228330] CPU: 0 PID: 675 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3292 08:37:06.404780  # [   45.237260] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3293 08:37:06.411417  # [   45.244228] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3294 08:37:06.434506  # [   45.249428] 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 d0 9a 2a 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44<6>[   45.798104] lkdtm: Performing direct entry WARNING_MESSAGE

 3295 08:37:06.437737   00 00 0f 1f 44 00 00 8b 05 b1 9a

 3296 08:37:06.447765  # [   45.270809] RSP: 0018:ff<4>[   45.808847] ------------[ cut here ]------------

 3297 08:37:06.451207  ffa900c12bfe60 EFLAGS: 00010202

 3298 08:37:06.457823  # [   45.276985] RAX: ffffffff8<4>[   45.820562] Warning message trigger count: 2

 3299 08:37:06.464378  977c230 RBX: 0000000000000002 RCX: 0000000000000000

 3300 08:37:06.474289  # [   45.28<4>[   45.832006] WARNING: CPU: 3 PID: 711 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3301 08:37:06.520883  5301] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8<4>[   45.848925] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3302 08:37:06.524201  ab94040

 3303 08:37:06.536966  # [   45.293617] RBP: ffffffff8b01a117 R08: 00000000000<4>[   45.895124] CPU: 3 PID: 711 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3304 08:37:06.540573  00000 R09: 0000000000000000

 3305 08:37:06.550198  # [   45.301932] R10: 00000000ffffe<4>[   45.910397] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3306 08:37:06.553709  000 R11: 3fffffffffffffff R12: 0000000000000008

 3307 08:37:06.563218  # [   45.310244<4>[   45.923572] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3308 08:37:06.590177  ] R13: ffffa900c12bff10 R14: ffffa900c12bff10 R15: ffff9981c512f<4>[   45.935762] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 b1 9a 2a 03 48 c7 c7 78 a6 01 8b 8d 70 01 89 35 a1 9a 2a 03 e8 7a f4 67 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3309 08:37:06.590718  000

 3310 08:37:06.603167  # [   45.318555] FS:  00007f2e7c6d0580(0000) GS:ffff99823bc<4>[   45.963218] RSP: 0018:ffffa900c1347e60 EFLAGS: 00010286

 3311 08:37:06.606256  00000(0000) knlGS:0000000000000000

 3312 08:37:06.616687  # [   45.327942] CS:  0010 D<4>[   45.975719] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3313 08:37:06.619834  S: 0000 ES: 0000 CR0: 0000000080050033

 3314 08:37:06.632819  # [   45.334690] CR2: 00<4>[   45.990171] RDX: ffff99823bdac620 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50

 3315 08:37:06.636262  007f2e7c4da000 CR3: 0000000102664000 CR4: 00000000003506f0

 3316 08:37:06.645880  # [ <4>[   46.004713] RBP: ffffffff8b01a11f R08: 0000000000000000 R09: 0000000000000000

 3317 08:37:06.649650    45.342999] Call Trace:

 3318 08:37:06.652733  # [   45.346060]  ? __warn+0x80/0x110

 3319 08:37:06.659307  <4>[   46.019202] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3320 08:37:06.659831  

 3321 08:37:06.665932  # [   45.349991]  ? lkdtm_WARNING+0x13/0x20

 3322 08:37:06.676070  # [   45.354509]  <4>[   46.033749] R13: ffffa900c1347f10 R14: ffffa900c1347f10 R15: ffff9981c2a30000

 3323 08:37:06.676602  ? report_bug+0x9e/0xc0

 3324 08:37:06.689217  # [   45.358732]  ? handle_bug+0x41/0x90<4>[   46.048362] FS:  00007fd4de671580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 3325 08:37:06.692166  

 3326 08:37:06.695340  # [   45.362948]  ? exc_invalid_op+0x14/0x70

 3327 08:37:06.702156  # [   45.367561]<4>[   46.063871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3328 08:37:06.705425    ? asm_exc_invalid_op+0x12/0x20

 3329 08:37:06.718913  # [   45.372569]  ? lkdtm_BUG+<4>[   46.076856] CR2: 00007fd4de47b000 CR3: 000000010095c000 CR4: 00000000003506e0

 3330 08:37:06.719446  0x10/0x10

 3331 08:37:06.721959  # [   45.376694]  ? lkdtm_WARNING+0x13/0x20

 3332 08:37:06.728425  # [   45<4>[   46.091395] Call Trace:

 3333 08:37:06.731649  .381214]  direct_entry.cold+0x2c/0x38

 3334 08:37:06.738354  # [   45.385933]  full_pr<4>[   46.100731]  ? __warn+0x80/0x110

 3335 08:37:06.738775  oxy_write+0x56/0x80

 3336 08:37:06.744907  # [   45.390538]  vfs_write+0xea/0x3b0

 3337 08:37:06.748260  # [<4>[   46.110819]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3338 08:37:06.751946     45.394567]  ksys_write+0x68/0xf0

 3339 08:37:06.758300  # [   45.398602]  do_syscal<4>[   46.122307]  ? report_bug+0x9e/0xc0

 3340 08:37:06.761633  l_64+0x33/0x40

 3341 08:37:06.771704  # [   45.402930]  entry_SYSCALL_64_after_hwframe<4>[   46.132756]  ? handle_bug+0x41/0x90

 3342 08:37:06.772238  +0x62/0xc7

 3343 08:37:06.774805  # [   45.408912] RIP: 0033:0x7f2e7c5e6473

 3344 08:37:06.781383  # [   45.<4>[   46.143405]  ? exc_invalid_op+0x14/0x70

 3345 08:37:06.791187  413231] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff<4>[   46.154072]  ? asm_exc_invalid_op+0x12/0x20

 3346 08:37:06.804506   ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 <4>[   46.165296]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3347 08:37:06.814501  00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28<4>[   46.176889]  direct_entry.cold+0x2c/0x38

 3348 08:37:06.817855   48 89 54 24 18

 3349 08:37:06.824440  # [   45.434606] RSP: 002b:00007ffd0799c828 EFL<4>[   46.187772]  full_proxy_write+0x56/0x80

 3350 08:37:06.830629  AGS: 00000246 ORIG_RAX: 0000000000000001

 3351 08:37:06.833825  # [   45.443413] RAX: <4>[   46.198590]  vfs_write+0xea/0x3b0

 3352 08:37:06.840974  ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2e7c5e6473

 3353 08:37:06.847295  # <4>[   46.208905]  ksys_write+0x68/0xf0

 3354 08:37:06.857235  [   45.457964] RDX: 0000000000000008 RSI: 00007f2e7c4da000 RDI: <4>[   46.219111]  do_syscall_64+0x33/0x40

 3355 08:37:06.857814  0000000000000001

 3356 08:37:06.866807  # [   45.466280] RBP: 00007f2e7c4da000 R08: 00<4>[   46.229663]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3357 08:37:06.873913  007f2e7c4d9010 R09: 0000000000000000

 3358 08:37:06.880054  # [   45.474598] R10: ffff<4>[   46.241901] RIP: 0033:0x7fd4de587473

 3359 08:37:06.883556  fffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3360 08:37:06.906683  # [   <4>[   46.252429] 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

 3361 08:37:06.923241  45.482916] R13: 0000000000000001 R14: 0000000000020000 R15: 0000<4>[   46.280086] RSP: 002b:00007ffefcb70db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3362 08:37:06.923786  000000020000

 3363 08:37:06.926609  # [   45.491242] irq event stamp: 0

 3364 08:37:06.936129  # [   45.5012<4>[   46.295095] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd4de587473

 3365 08:37:06.942883  00] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3366 08:37:06.949417  # [<4>[   46.309653] RDX: 0000000000000010 RSI: 00007fd4de47b000 RDI: 0000000000000001

 3367 08:37:06.965755     45.514776] hardirqs last disabled at (0): [<ffffffff88cfd6dc><4>[   46.324182] RBP: 00007fd4de47b000 R08: 00007fd4de47a010 R09: 0000000000000000

 3368 08:37:06.969688  ] copy_process+0x65c/0x20e0

 3369 08:37:06.979477  # [   45.524257] softirqs last  ena<4>[   46.338746] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3370 08:37:06.985994  bled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3371 08:37:06.995799  # [<4>[   46.353289] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3372 08:37:07.005768     45.533734] softirqs last disabled at (0): [<0000000000000000><4>[   46.367861] irq event stamp: 0

 3373 08:37:07.006358  ] 0x0

 3374 08:37:07.012311  # [   45.541077] ---[ end trace f420f41c7bc8cebd ]---

 3375 08:37:07.018909  # <4>[   46.377804] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3376 08:37:07.021926  WARNING: saw 'WARNING:': ok

 3377 08:37:07.025584  ok 3 selftests: lkdtm: WARNING.sh

 3378 08:37:07.035284  <4>[   46.391378] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3379 08:37:07.038539  # selftests: lkdtm: WARNING_MESSAGE.sh

 3380 08:37:07.048407  <4>[   46.407103] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3381 08:37:07.055505  <4>[   46.420436] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3382 08:37:07.058407  <4>[   46.427778] ---[ end trace f420f41c7bc8cebe ]---

 3383 08:37:07.107377  # [   45.798104] lkdtm: Performing direct entry WARNING_MESSAGE

 3384 08:37:07.113997  # [   45.808847] ------------[ cut here ]------------

 3385 08:37:07.121079  # [   45.820562] Warning message trigger count: 2

 3386 08:37:07.130769  # [   45.832006] WARNING: CPU: 3 PID: 711 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3387 08:37:07.170168  # [   45.848925] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3388 08:37:07.176907  # [   45.895124] CPU: 3 PID: 711 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3389 08:37:07.183344  # [   45.910397] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3390 08:37:07.190167  # [   45.923572] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3391 08:37:07.213267  # [   45.935762] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 b1 9a 2a 03 48 c7 c7 78 a6 01 8b 8d 70 01 89 35 a1 9a 2a 03 e8 7a f4 67 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3392 08:37:07.216704  # [   45.963218] RSP: 0018:ffffa900c1347e60 EFLAGS: 00010286

 3393 08:37:07.226497  # [   45.975719] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3394 08:37:07.233359  # [   45.990171] RDX: ffff99823bdac620 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50

 3395 08:37:07.243034  # [   46.004713] RBP: ffffffff8b01a11f R08: 0000000000000000 R09: 0000000000000000

 3396 08:37:07.249614  # [   46.019202] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3397 08:37:07.259433  # [   46.033749] R13: ffffa900c1347f10 R14: ffffa900c1347f10 R15: ffff9981c2a30000

 3398 08:37:07.269520  # [   46.048362] FS:  00007fd4de671580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 3399 08:37:07.276183  # [   46.063871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3400 08:37:07.282964  # [   46.076856] CR2: 00007fd4de47b000 CR3: 000000010095c000 CR4: 00000000003506e0

 3401 08:37:07.286235  # [   46.091395] Call Trace:

 3402 08:37:07.289717  # [   46.100731]  ? __warn+0x80/0x110

 3403 08:37:07.295994  # [   46.110819]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3404 08:37:07.299409  # [   46.122307]  ? report_bug+0x9e/0xc0

 3405 08:37:07.302870  # [   46.132756]  ? handle_bug+0x41/0x90

 3406 08:37:07.309582  # [   46.143405]  ? exc_invalid_op+0x14/0x70

 3407 08:37:07.312738  # [   46.154072]  ? asm_exc_invalid_op+0x12/0x20

 3408 08:37:07.319367  # [   46.165296]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3409 08:37:07.322504  # [   46.176889]  direct_entry.cold+0x2c/0x38

 3410 08:37:07.325939  # [   46.187772]  full_proxy_write+0x56/0x80

 3411 08:37:07.332688  # [   46.198590]  vfs_write+0xea/0x3b0

 3412 08:37:07.335764  # [   46.208905]  ksys_write+0x68/0xf0

 3413 08:37:07.342529  # [   46<6>[   46.705459] lkdtm: Performing direct entry EXCEPTION

 3414 08:37:07.349155  <1>[   46.714872] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3415 08:37:07.355907  <1>[   46.722976] #PF: supervisor write access in kernel mode

 3416 08:37:07.362699  <1>[   46.729128] #PF: error_code(0x0002) - not-present page

 3417 08:37:07.365556  <6>[   46.735181] PGD 0 P4D 0 

 3418 08:37:07.368885  <4>[   46.738321] Oops: 0002 [#2] SMP PTI

 3419 08:37:07.379058  <4>[   46.742530] CPU: 2 PID: 744 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3420 08:37:07.385789  <4>[   46.751411] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3421 08:37:07.388979  <4>[   46.758351] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3422 08:37:07.411875  <4>[   46.763633] Code: 48 c7 c7 78 a6 01 8b 8d 70 01 89 35 a1 9a 2a 03 e8 7a f4 67 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

 3423 08:37:07.418678  <4>[   46.784995] RSP: 0018:ffffa900c13dfe60 EFLAGS: 00010282

 3424 08:37:07.425147  <4>[   46.791152] RAX: ffffffff8977c280 RBX: 0000000000000004 RCX: 0000000000000000

 3425 08:37:07.435128  <4>[   46.799451] RDX: 0000000000000000 RSI: ffff99823bd1bf50 RDI: ffffffff8ab94060

 3426 08:37:07.441514  <4>[   46.807748] RBP: ffffffff8af0dbcf R08: 0000000000000000 R09: 0000000000000000

 3427 08:37:07.451838  <4>[   46.816040] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3428 08:37:07.458107  <4>[   46.824334] R13: ffffa900c13dff10 R14: ffffa900c13dff10 R15: ffff9981c31fd000

 3429 08:37:07.468076  <4>[   46.832631] FS:  00007f3fd365c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 3430 08:37:07.475058  <4>[   46.842004] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3431 08:37:07.485067  <4>[   46.848744] CR2: 0000000000000000 CR3: 000000010319a000 CR4: 00000000003506e0

 3432 08:37:07.488061  <4>[   46.857039] Call Trace:

 3433 08:37:07.491409  <4>[   46.860085]  ? __die_body.cold+0x1a/0x1f

 3434 08:37:07.494407  <4>[   46.864785]  ? no_context+0x177/0x380

 3435 08:37:07.500902  <4>[   46.869195]  ? exc_page_fault+0x53/0x170

 3436 08:37:07.504516  <4>[   46.873887]  ? asm_exc_page_fault+0x1e/0x30

 3437 08:37:07.510891  <4>[   46.878876]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3438 08:37:07.514648  <4>[   46.884155]  ? lkdtm_EXCEPTION+0x5/0x20

 3439 08:37:07.521258  <4>[   46.888746]  direct_entry.cold+0x2c/0x38

 3440 08:37:07.524699  <4>[   46.893445]  full_proxy_write+0x56/0x80

 3441 08:37:07.527541  <4>[   46.898044]  vfs_write+0xea/0x3b0

 3442 08:37:07.534402  <4>[   46.902059]  ksys_write+0x68/0xf0

 3443 08:37:07.537605  <4>[   46.906070]  do_syscall_64+0x33/0x40

 3444 08:37:07.543877  <4>[   46.910377]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3445 08:37:07.547532  <4>[   46.916340] RIP: 0033:0x7f3fd3572473

 3446 08:37:07.567279  <4>[   46.920642] 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

 3447 08:37:07.577189  <4>[   46.942003] RSP: 002b:00007ffcffaa81e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3448 08:37:07.587098  <4>[   46.950792] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3fd3572473

 3449 08:37:07.594013  <4>[   46.959089] RDX: 000000000000000a RSI: 00007f3fd3466000 RDI: 0000000000000001

 3450 08:37:07.604007  <4>[   46.967384] RBP: 00007f3fd3466000 R08: 00007f3fd3465010 R09: 0000000000000000

 3451 08:37:07.610214  <4>[   46.975682] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3452 08:37:07.620742  <4>[   46.983978] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3453 08:37:07.660093  <4>[   46.992284] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3454 08:37:07.663733  .219111]  do_syscall_64+0x33/0x40

 3455 08:37:07.669875  # [   46.229663]  entry_SYSCA<4>[   47.032537] CR2: 0000000000000000

 3456 08:37:07.673423  <4>[   47.042773] ---[ end trace f420f41c7bc8cebf ]---

 3457 08:37:07.680372  <4>[   47.048248] RIP: 0010:lkdtm_BUG+0x5/0x10

 3458 08:37:07.699720  <4>[   47.052935] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 3459 08:37:07.706427  <4>[   47.074299] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 3460 08:37:07.716586  <4>[   47.080453] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 3461 08:37:07.723331  <4>[   47.088751] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 3462 08:37:07.733261  <4>[   47.097050] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 3463 08:37:07.739667  <4>[   47.105347] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3464 08:37:07.749800  <4>[   47.113647] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 3465 08:37:07.759536  <4>[   47.121945] FS:  00007f3fd365c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 3466 08:37:07.766080  <4>[   47.131313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3467 08:37:07.772740  <4>[   47.138048] CR2: 0000000000000000 CR3: 000000010319a000 CR4: 00000000003506e0

 3468 08:37:07.782372  <3>[   47.146348] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3469 08:37:07.792895  <3>[   47.156589] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 744, name: cat

 3470 08:37:07.796006  <4>[   47.165274] INFO: lockdep is turned off.

 3471 08:37:07.799233  <4>[   47.169964] irq event stamp: 0

 3472 08:37:07.808715  <4>[   47.173682] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3473 08:37:07.819027  <4>[   47.181006] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3474 08:37:07.825630  <4>[   47.190471] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3475 08:37:07.835248  <4>[   47.199938] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3476 08:37:07.841833  <4>[   47.207263] CPU: 2 PID: 744 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3477 08:37:07.848716  <4>[   47.216144] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3478 08:37:07.851935  <4>[   47.223076] Call Trace:

 3479 08:37:07.858494  <4>[   47.226115]  dump_stack+0x77/0x9b

 3480 08:37:07.862031  <4>[   47.230128]  ___might_sleep.cold+0xa6/0xb6

 3481 08:37:07.865009  <4>[   47.235020]  exit_signals+0x1c/0x300

 3482 08:37:07.868432  <4>[   47.239326]  do_exit+0xc2/0xab0

 3483 08:37:07.875096  <4>[   47.243144]  ? ksys_write+0x68/0xf0

 3484 08:37:07.878365  <4>[   47.247354]  make_task_dead+0x2f/0x30

 3485 08:37:07.885038  <4>[   47.251756]  rewind_stack_and_make_dead+0x17/0x20

 3486 08:37:07.887956  <4>[   47.257314] RIP: 0033:0x7f3fd3572473

 3487 08:37:07.911165  <4>[   47.261616] 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

 3488 08:37:07.918336  <4>[   47.282977] RSP: 002b:00007ffcffaa81e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3489 08:37:07.927892  <4>[   47.291754] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3fd3572473

 3490 08:37:07.934450  <4>[   47.300051] RDX: 000000000000000a RSI: 00007f3fd3466000 RDI: 0000000000000001

 3491 08:37:07.944264  <4>[   47.308347] RBP: 00007f3fd3466000 R08: 00007f3fd3465010 R09: 0000000000000000

 3492 08:37:07.950970  <4>[   47.316646] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3493 08:37:07.961033  <4>[   47.324941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3494 08:37:07.964385  LL_64_after_hwframe+0x62/0xc7

 3495 08:37:07.967379  # [   46.241901] RIP: 0033:0x7fd4de587473

 3496 08:37:07.987530  # [   46.252429] 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

 3497 08:37:07.997433  # [   46.280086] RSP: 002b:00007ffefcb70db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3498 08:37:08.004471  # [   46.295095] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd4de587473

 3499 08:37:08.013779  # [   46.309653] RDX: 0000000000000010 RSI: 00007fd4de47b000 RDI: 0000000000000001

 3500 08:37:08.020611  # [   46.324182] RBP: 00007fd4de47b000 R08: 00007fd4de47a010 R09: 0000000000000000

 3501 08:37:08.030332  # [   46.338746] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3502 08:37:08.036916  # [   46.353289] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3503 08:37:08.040279  # [   46.367861] irq event stamp: 0

 3504 08:37:08.050362  # [   46.377804] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3505 08:37:08.057189  # [   46.391378] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3506 08:37:08.066696  # [   46.407103] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3507 08:37:08.073580  # [   46.420436] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3508 08:37:08.080248  # [   46.427778] ---[ end trace f420f41c7bc8cebe ]---

 3509 08:37:08.083883  # WARNING_MESSAGE: saw 'message trigger': ok

 3510 08:37:08.089907  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh

 3511 08:37:08.093871  # selftests: lkdtm: EXCEPTION.sh

 3512 08:37:08.094378  # Killed

 3513 08:37:08.100217  # [   46.705459] lkdtm: Performing direct entry EXCEPTION

 3514 08:37:08.106526  # [   46.714872] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3515 08:37:08.113381  # [   46.722976] #PF: supervisor write access in kernel mode

 3516 08:37:08.119832  # [   46.729128] #PF: error_code(0x0002) - not-present page

 3517 08:37:08.123263  # [   46.735181] PGD 0 P4D 0 

 3518 08:37:08.126418  # [   46.738321] Oops: 0002 [#2] SMP PTI

 3519 08:37:08.136369  # [   46.742530] CPU: 2 PID: 744 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3520 08:37:08.143232  # [   46.751411] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3521 08:37:08.146397  # [   46.758351] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3522 08:37:08.169700  # [   46.763633] Code: 48 c7 c7 78 a6 01 8b 8d 70 01 89 35 a1 9a 2a 03 e8 7a f4 67 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

 3523 08:37:08.172958  # [   46.784995] RSP: 0018:ffffa900c13dfe60 EFLAGS: 00010282

 3524 08:37:08.182544  # [   46.791152] RAX: ffffffff8977c280 RBX: 0000000000000004 RCX: 0000000000000000

 3525 08:37:08.189339  # [   46.799451] RDX: 0000000000000000 RSI: ffff99823bd1bf50 RDI: ffffffff8ab94060

 3526 08:37:08.199532  # [   46.807748] RBP: ffffffff8af0dbcf R08: 0000000000000000 R09: 0000000000000000

 3527 08:37:08.206024  # [   46.816040] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3528 08:37:08.215945  # [   46.824334] R13: ffffa900c13dff10 R14: ffffa900c13dff10 R15: ffff9981c31fd000

 3529 08:37:08.225842  # [   46.832631] FS:  00007f3fd365c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 3530 08:37:08.232386  # [   46.842004] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3531 08:37:08.239064  # [   46.848744] CR2: 0000000000000000 CR3: 000000010319a000 CR4: 00000000003506e0

 3532 08:37:08.242435  # [   46.857039] Call Trace:

 3533 08:37:08.245593  # [   46.860085]  ? __die_body.cold+0x1a/0x1f

 3534 08:37:08.252423  # [   46.864785]  ? no_context+0x177/0x380

 3535 08:37:08.255909  # [   46.869195]  ? exc_page_fault+0x53/0x170

 3536 08:37:08.258902  # [   46.873887]  ? asm_exc_page_fault+0x1e/0x30

 3537 08:37:08.265332  # [   46.878876]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3538 08:37:08.268783  # [   46.884155]  ? lkdtm_EXCEPTION+0x5/0x20

 3539 08:37:08.275346  # [   46.888746]  direct_entry.cold+0x2c/0x38

 3540 08:37:08.278730  # [   46.893445]  full_proxy_write+0x56/0x80

 3541 08:37:08.281783  # [   46.898044]  vfs_write+0xea/0x3b0

 3542 08:37:08.288507  # [   46.902059]  ksys_write+0x68/0xf0

 3543 08:37:08.291809  # [   46.906070]  do_syscall_64+0x33/0x40

 3544 08:37:08.298327  # [   46.910377]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3545 08:37:08.301518  # [   46.916340] RIP: 0033:0x7f3fd3572473

 3546 08:37:08.321687  # [   46.920642] 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

 3547 08:37:08.331400  # [   46.942003] RSP: 002b:00007ffcffaa81e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3548 08:37:08.337974  # [   46.950792] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3fd3572473

 3549 08:37:08.348165  # [   46.959089] RDX: 000000000000000a RSI: 00007f3fd3466000 RDI: 0000000000000001

 3550 08:37:08.354637  # [   46.967384] RBP: 00007f3fd3466000 R08: 00007f3fd3465010 R09: 0000000000000000

 3551 08:37:08.364757  # [   46.975682] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3552 08:37:08.371725  # [   46.983978] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3553 08:37:08.410853  # [   46.992284] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3554 08:37:08.417563  # [   47.032537] CR2: 0000000000000000

 3555 08:37:08.420810  # [   47.042773] ---[ end trace f420f41c7bc8cebf ]---

 3556 08:37:08.427297  # [   47.048248] RIP: 0010:lkdtm_BUG+0x5/0x10

 3557 08:37:08.447243  # [   47.052935] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 3558 08:37:08.454019  # [   47.074299] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 3559 08:37:08.460535  # [   47.080453] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 3560 08:37:08.470332  # [   47.088751] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 3561 08:37:08.477288  # [   47.097050] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 3562 08:37:08.487039  # [   47.105347] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3563 08:37:08.493577  # [   47.113647] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 3564 08:37:08.503774  # [   47.121945] FS:  00007f3fd365c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 3565 08:37:08.510457  # [   47.131313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3566 08:37:08.516757  # [   47.138048] CR2: 0000000000000000 CR3: 000000010319a000 CR4: 00000000003506e0

 3567 08:37:08.526999  # [   47.146348] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3568 08:37:08.536434  # [   47.156589] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 744, name: cat

 3569 08:37:08.539994  # [   47.165274] INFO: lockdep is turned off.

 3570 08:37:08.546527  # [   47.169964] irq event stamp: 0

 3571 08:37:08.553241  # [   47.173682] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3572 08:37:08.563181  # [   47.181006] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3573 08:37:08.570009  # [   47.190471] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3574 08:37:08.579805  # [   47.199938] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3575 08:37:08.586355  # [   47.207263] CPU: 2 PID: 744 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3576 08:37:08.592839  # [   47.216144] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3577 08:37:08.596224  # [   47.223076] Call Trace:

 3578 08:37:08.599606  # [   47.226115]  dump_stack+0x77/0x9b

 3579 08:37:08.606138  # [   47.230128]  ___might_sleep.cold+0xa6/0xb6

 3580 08:37:08.609720  # [   47.235020]  exit_signals+0x1c/0x300

 3581 08:37:08.612729  # [   47.239326]  do_exit+0xc2/0xab0

 3582 08:37:08.616225  # [   47.243144]  ? ksys_write+0x68/0xf0

 3583 08:37:08.622755  # [   47.247354]  make_task_dead+0x2f/0x30

 3584 08:37:08.626004  # [   47.251756]  rewind_stack_and_make_dead+0x17/0x20

 3585 08:37:08.632629  # [   47.257314] RIP: 0033:0x7f3fd3572473

 3586 08:37:08.652844  # [   47.261616] 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

 3587 08:37:08.662641  # [   47.282977] RSP: 002b:00007ffcffaa81e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3588 08:37:08.669219  # [   47.291754] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3fd3572473

 3589 08:37:08.678909  # [   47.300051] RDX: 000000000000000a RSI: 00007f3fd3466000 RDI: 0000000000000001

 3590 08:37:08.685766  # [   47.308347] RBP: 00007f3fd3466000 R08: 00007f3fd3465010 R09: 0000000000000000

 3591 08:37:08.695852  # [   47.316646] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3592 08:37:08.702281  # [   47.324941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3593 08:37:08.705706  # EXCEPTION: saw 'call trace:': ok

 3594 08:37:08.708858  ok 5 selftests: lkdtm: EXCEPTION.sh

 3595 08:37:08.712316  # selftests: lkdtm: LOOP.sh

 3596 08:37:08.715823  # Skipping LOOP: Hangs the system

 3597 08:37:08.718821  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 3598 08:37:08.721686  # selftests: lkdtm: EXHAUST_STACK.sh

 3599 08:37:08.728223  # Skipping EXHAUST_STACK: Corrupts memory on failure

 3600 08:37:08.731600  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 3601 08:37:08.734713  # selftests: lkdtm: CORRUPT_STACK.sh

 3602 08:37:08.741400  # Skipping CORRUPT_STACK: Crashes entire system on success

 3603 08:37:08.748606  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP

 3604 08:37:08.751724  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 3605 08:37:08.758519  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 3606 08:37:08.764929  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 3607 08:37:08.768406  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 3608 08:37:08.876233  <6>[   48.244529] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3609 08:37:08.882916  <6>[   48.251122] lkdtm: attempting good list addition

 3610 08:37:08.889341  <6>[   48.256620] lkdtm: attempting corrupted list addition

 3611 08:37:08.895704  <3>[   48.262587] lkdtm: list_add() corruption not detected!

 3612 08:37:08.945759  # [   48.244529] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3613 08:37:08.952224  # [   48.251122] lkdtm: attempting good list addition

 3614 08:37:08.958997  # [   48.256620] lkdtm: attempting corrupted list addition

 3615 08:37:08.965514  # [   48.262587] lkdtm: list_add() corruption not detected!

 3616 08:37:08.972074  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]

 3617 08:37:08.986463  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 3618 08:37:09.001885  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 3619 08:37:09.170699  <6>[   48.535936] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3620 08:37:09.174203  <6>[   48.542524] lkdtm: attempting good list removal

 3621 08:37:09.180849  <6>[   48.547928] lkdtm: attempting corrupted list removal

 3622 08:37:09.186992  <3>[   48.553863] lkdtm: list_del() corruption not detected!

 3623 08:37:09.248728  # [   48.535936] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3624 08:37:09.255603  # [   48.542524] lkdtm: attempting good list removal

 3625 08:37:09.262067  # [   48.547928] lkdtm: attempting corrupted list removal

 3626 08:37:09.268436  # [   48.553863] lkdtm: list_del() corruption not detected!

 3627 08:37:09.275198  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]

 3628 08:37:09.287013  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 3629 08:37:09.301850  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3630 08:37:09.463085  <6>[   48.828069] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3631 08:37:09.469539  <6>[   48.835429] lkdtm: attempting bad read from page below current stack

 3632 08:37:09.479631  <0>[   48.842889] BUG: stack guard page was hit at 00000000fc7ffe6a (stack is 0000000059197cd7..00000000820cf5a6)

 3633 08:37:09.489314  <4>[   48.854119] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3634 08:37:09.496524  <4>[   48.861254] CPU: 1 PID: 976 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3635 08:37:09.502517  <4>[   48.870140] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3636 08:37:09.509231  <4>[   48.877084] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3637 08:37:09.532955  <4>[   48.883927] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 18 aa 01 8b 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 3e de fb ff 48 c7 c7 58 aa 01 8b <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 24 de fb ff 0f 1f 44

 3638 08:37:09.539190  <4>[   48.905289] RSP: 0018:ffffa900c176fe50 EFLAGS: 00010246

 3639 08:37:09.545868  <4>[   48.911446] RAX: 0000000000000038 RBX: ffffa900c176c000 RCX: 0000000000000000

 3640 08:37:09.555665  <4>[   48.919742] RDX: 0000000000000000 RSI: ffff99823bc9bf50 RDI: ffffffff8b01aa58

 3641 08:37:09.562412  <4>[   48.928041] RBP: ffffffff8b01a182 R08: 0000000000000000 R09: 0000000000000000

 3642 08:37:09.572560  <4>[   48.936337] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3643 08:37:09.579185  <4>[   48.944637] R13: ffffa900c176ff10 R14: ffffa900c176ff10 R15: ffff9981c28f3000

 3644 08:37:09.588848  <4>[   48.952936] FS:  00007fb5a6fde580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 3645 08:37:09.595699  <4>[   48.962308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3646 08:37:09.605657  <4>[   48.969047] CR2: ffffa900c176bfff CR3: 0000000103342000 CR4: 00000000003506e0

 3647 08:37:09.606170  <4>[   48.977346] Call Trace:

 3648 08:37:09.608777  <4>[   48.980383]  <#DF>

 3649 08:37:09.615383  <4>[   48.982939]  ? __die_body.cold+0x1a/0x1f

 3650 08:37:09.618660  <4>[   48.987636]  ? die+0x2b/0x50

 3651 08:37:09.622310  <4>[   48.991160]  ? handle_stack_overflow+0x3e/0x4d

 3652 08:37:09.628814  <4>[   48.996439]  ? no_context+0x24d/0x380

 3653 08:37:09.629338  <4>[   49.000837]  </#DF>

 3654 08:37:09.671831  <4>[   49.003483] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3655 08:37:09.675254  <4>[   49.043745] ---[ end trace f420f41c7bc8cec0 ]---

 3656 08:37:09.681702  <4>[   49.049223] RIP: 0010:lkdtm_BUG+0x5/0x10

 3657 08:37:09.701323  <4>[   49.053917] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 3658 08:37:09.707999  <4>[   49.075270] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 3659 08:37:09.718396  <4>[   49.081429] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 3660 08:37:09.724956  <4>[   49.089726] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 3661 08:37:09.734942  <4>[   49.098025] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 3662 08:37:09.741441  <4>[   49.106321] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3663 08:37:09.750848  <4>[   49.114619] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 3664 08:37:09.757451  <4>[   49.122917] FS:  00007fb5a6fde580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 3665 08:37:09.767246  <4>[   49.132285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3666 08:37:09.773735  <4>[   49.139023] CR2: ffffa900c176bfff CR3: 0000000103342000 CR4: 00000000003506e0

 3667 08:37:09.783596  <3>[   49.147324] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3668 08:37:09.793881  <3>[   49.157573] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 976, name: cat

 3669 08:37:09.797234  <4>[   49.166262] INFO: lockdep is turned off.

 3670 08:37:09.800508  <4>[   49.170954] irq event stamp: 0

 3671 08:37:09.810437  <4>[   49.174674] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3672 08:37:09.816998  <4>[   49.181998] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3673 08:37:09.827027  <4>[   49.191466] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3674 08:37:09.833554  <4>[   49.200932] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3675 08:37:09.843954  <4>[   49.208256] CPU: 1 PID: 976 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3676 08:37:09.850046  <4>[   49.217139] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3677 08:37:09.853211  <4>[   49.224067] Call Trace:

 3678 08:37:09.856946  <4>[   49.227108]  dump_stack+0x77/0x9b

 3679 08:37:09.863340  <4>[   49.231121]  ___might_sleep.cold+0xa6/0xb6

 3680 08:37:09.866466  <4>[   49.236012]  exit_signals+0x1c/0x300

 3681 08:37:09.869987  <4>[   49.240316]  do_exit+0xc2/0xab0

 3682 08:37:09.876957  <4>[   49.244135]  ? ksys_write+0x68/0xf0

 3683 08:37:09.879792  <4>[   49.248342]  make_task_dead+0x2f/0x30

 3684 08:37:09.886548  <4>[   49.252743]  rewind_stack_and_make_dead+0x17/0x20

 3685 08:37:09.889528  <4>[   49.258311] RIP: 0033:0x7fb5a6ef4473

 3686 08:37:09.909592  <4>[   49.262608] 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

 3687 08:37:09.919751  <4>[   49.283968] RSP: 002b:00007ffcff8b0808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3688 08:37:09.929927  <4>[   49.292754] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb5a6ef4473

 3689 08:37:09.936052  <4>[   49.301051] RDX: 0000000000000019 RSI: 00007fb5a6de8000 RDI: 0000000000000001

 3690 08:37:09.946016  <4>[   49.309348] RBP: 00007fb5a6de8000 R08: 00007fb5a6de7010 R09: 0000000000000000

 3691 08:37:09.952776  <4>[   49.317645] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3692 08:37:09.962469  <4>[   49.325943] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3693 08:37:09.962958  # Segmentation fault

 3694 08:37:10.015291  # [   48.828069] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3695 08:37:10.021951  # [   48.835429] lkdtm: attempting bad read from page below current stack

 3696 08:37:10.032338  # [   48.842889] BUG: stack guard page was hit at 00000000fc7ffe6a (stack is 0000000059197cd7..00000000820cf5a6)

 3697 08:37:10.039017  # [   48.854119] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3698 08:37:10.048464  # [   48.861254] CPU: 1 PID: 976 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3699 08:37:10.055042  # [   48.870140] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3700 08:37:10.061999  # [   48.877084] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3701 08:37:10.084919  # [   48.883927] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 18 aa 01 8b 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 3e de fb ff 48 c7 c7 58 aa 01 8b <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 24 de fb ff 0f 1f 44

 3702 08:37:10.088224  # [   48.905289] RSP: 0018:ffffa900c176fe50 EFLAGS: 00010246

 3703 08:37:10.098222  # [   48.911446] RAX: 0000000000000038 RBX: ffffa900c176c000 RCX: 0000000000000000

 3704 08:37:10.104588  # [   48.919742] RDX: 0000000000000000 RSI: ffff99823bc9bf50 RDI: ffffffff8b01aa58

 3705 08:37:10.114748  # [   48.928041] RBP: ffffffff8b01a182 R08: 0000000000000000 R09: 0000000000000000

 3706 08:37:10.121123  # [   48.936337] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3707 08:37:10.130897  # [   48.944637] R13: ffffa900c176ff10 R14: ffffa900c176ff10 R15: ffff9981c28f3000

 3708 08:37:10.140808  # [   48.952936] FS:  00007fb5a6fde580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 3709 08:37:10.147406  # [   48.962308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3710 08:37:10.154166  # [   48.969047] CR2: ffffa900c176bfff CR3: 0000000103342000 CR4: 00000000003506e0

 3711 08:37:10.157527  # [   48.977346] Call Trace:

 3712 08:37:10.160834  # [   48.980383]  <#DF>

 3713 08:37:10.164088  # [   48.982939]  ? __die_body.cold+0x1a/0x1f

 3714 08:37:10.167625  # [   48.987636]  ? die+0x2b/0x50

 3715 08:37:10.173994  # [   48.991160]  ? handle_stack_overflow+0x3e/0x4d

 3716 08:37:10.177284  # [   48.996439]  ? no_context+0x24d/0x380

 3717 08:37:10.180684  # [   49.000837]  </#DF>

 3718 08:37:10.220604  # [   49.003483] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3719 08:37:10.223678  # [   49.043745] ---[ end trace f420f41c7bc8cec0 ]---

 3720 08:37:10.230298  # [   49.049223] RIP: 0010:lkdtm_BUG+0x5/0x10

 3721 08:37:10.250186  # [   49.053917] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 3722 08:37:10.256793  # [   49.075270] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 3723 08:37:10.266671  # [   49.081429] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 3724 08:37:10.273421  # [<6>[   49.633328] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3725 08:37:10.279972  <6>[   49.646292] lkdtm: attempting bad read from page above current stack

 3726 08:37:10.293219  <0>[   49.653759] BUG: stack guard page was hit at 000000007a1ab4d9 (stack is 000000001f0208d3..00000000060a7116)

 3727 08:37:10.299694  <4>[   49.664991] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3728 08:37:10.312759     49.089726] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: f<4>[   49.672126] CPU: 2 PID: 1010 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3729 08:37:10.319548  <4>[   49.687327] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3730 08:37:10.322562  <fff4ffff8ab94030

 3731 08:37:10.332478  # [   49.098025] RBP: ffffffff8b07e9e8 R08: 00>[   49.694271] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3732 08:37:10.355588  <4>[   49.707351] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 90 aa 01 8b 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 de fb ff 48 c7 c7 d0 aa 01 8b <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 e7 dd fb ff

 3733 08:37:10.362363  <4>[   49.728710] RSP: 0018:ffffa900c17dfe50 EFLAGS: 00010246

 3734 08:37:10.369036  <4>[   49.734868] RAX: 0000000000000038 RBX: ffffa900c17dc000 RCX: 0000000000000000

 3735 08:37:10.379208  <4>[   49.743163] RDX: 0000000000000000 RSI: ffff99823bd1bf50 RDI: ffffffff8b01aad0

 3736 08:37:10.385714  <4>[   49.751458] RBP: ffffffff8b01a19b R08: 0000000000000000 R09: 0000000000000000

 3737 08:37:10.395179  <4>[   49.759756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3738 08:37:10.402099  <4>[   49.768057] R13: ffffa900c17dff10 R14: ffffa900c17dff10 R15: ffff9981c4d9c000

 3739 08:37:10.411823  <4>[   49.776358] FS:  00007f4efc01c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 3740 08:37:10.418631  <4>[   49.785722] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3741 08:37:10.428493  <4>[   49.792460] CR2: ffffa900c17e0000 CR3: 00000001027e6000 CR4: 00000000003506e0

 3742 08:37:10.431876  <4>[   49.800758] Call Trace:

 3743 08:37:10.432393  <4>[   49.803794]  <#DF>

 3744 08:37:10.438205  <4>[   49.806350]  ? __die_body.cold+0x1a/0x1f

 3745 08:37:10.441660  <4>[   49.811048]  ? die+0x2b/0x50

 3746 08:37:10.448657  <4>[   49.814575]  ? handle_stack_overflow+0x3e/0x4d

 3747 08:37:10.451231  <4>[   49.819855]  ? no_context+0x24d/0x380

 3748 08:37:10.454721  <4>[   49.824252]  </#DF>

 3749 08:37:10.457985  <04000000000001 R09: 0000000000000001

 3750 08:37:10.501189  # [   49.106321] R10: 0000>[   49.826896] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3751 08:37:10.504209  <4>[   49.873300] ---[ end trace f420f41c7bc8cec1 ]---

 3752 08:37:10.510708  <4>[   49.878777] RIP: 0010:lkdtm_BUG+0x5/0x10

 3753 08:37:10.531095  <4>[   49.883472] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 3754 08:37:10.537322  <4>[   49.904829] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 3755 08:37:10.547308  <4>[   49.910984] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 3756 08:37:10.553831  <4>[   49.919278] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 3757 08:37:10.563544  <4>[   49.927574] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 3758 08:37:10.570004  <4>[   49.935871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3759 08:37:10.580171  <4>[   49.944170] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 3760 08:37:10.589863  <4>[   49.952471] FS:  00007f4efc01c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 3761 08:37:10.596646  <4>[   49.961845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3762 08:37:10.603199  <4>[   49.968573] CR2: ffffa900c17e0000 CR3: 00000001027e6000 CR4: 00000000003506e0

 3763 08:37:10.609862  000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3764 08:37:10.616640  # [   49.114619] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 3765 08:37:10.626930  # [   49.122917] FS:  00007fb5a6fde580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 3766 08:37:10.633051  # [   49.132285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3767 08:37:10.642699  # [   49.139023] CR2: ffffa900c176bfff CR3: 0000000103342000 CR4: 00000000003506e0

 3768 08:37:10.652576  # [   49.147324] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3769 08:37:10.659260  # [   49.157573] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 976, name: cat

 3770 08:37:10.665869  # [   49.166262] INFO: lockdep is turned off.

 3771 08:37:10.669147  # [   49.170954] irq event stamp: 0

 3772 08:37:10.675650  # [   49.174674] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3773 08:37:10.685932  # [   49.181998] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3774 08:37:10.696042  # [   49.191466] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3775 08:37:10.702406  # [   49.200932] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3776 08:37:10.708971  # [   49.208256] CPU: 1 PID: 976 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3777 08:37:10.718654  # [   49.217139] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3778 08:37:10.719074  # [   49.224067] Call Trace:

 3779 08:37:10.725511  # [   49.227108]  dump_stack+0x77/0x9b

 3780 08:37:10.728520  # [   49.231121]  ___might_sleep.cold+0xa6/0xb6

 3781 08:37:10.732046  # [   49.236012]  exit_signals+0x1c/0x300

 3782 08:37:10.735140  # [   49.240316]  do_exit+0xc2/0xab0

 3783 08:37:10.741813  # [   49.244135]  ? ksys_write+0x68/0xf0

 3784 08:37:10.745226  # [   49.248342]  make_task_dead+0x2f/0x30

 3785 08:37:10.751522  # [   49.252743]  rewind_stack_and_make_dead+0x17/0x20

 3786 08:37:10.754831  # [   49.258311] RIP: 0033:0x7fb5a6ef4473

 3787 08:37:10.774784  # [   49.262608] 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

 3788 08:37:10.785013  # [   49.283968] RSP: 002b:00007ffcff8b0808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3789 08:37:10.791193  # [   49.292754] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb5a6ef4473

 3790 08:37:10.801426  # [   49.301051] RDX: 0000000000000019 RSI: 00007fb5a6de8000 RDI: 0000000000000001

 3791 08:37:10.807952  # [   49.309348] RBP: 00007fb5a6de8000 R08: 00007fb5a6de7010 R09: 0000000000000000

 3792 08:37:10.817636  # [   49.317645] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3793 08:37:10.824508  # [   49.325943] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3794 08:37:10.831229  # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok

 3795 08:37:10.834304  ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3796 08:37:10.841275  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3797 08:37:10.844335  # Segmentation fault

 3798 08:37:10.851055  # [   49.633328] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3799 08:37:10.857546  # [   49.646292] lkdtm: attempting bad read from page above current stack

 3800 08:37:10.867506  # [   49.653759] BUG: stack guard page was hit at 000000007a1ab4d9 (stack is 000000001f0208d3..00000000060a7116)

 3801 08:37:10.873795  # [   49.664991] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3802 08:37:10.883480  # [   49.672126] CPU: 2 PID: 1010 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3803 08:37:10.890162  # [   49.687327] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3804 08:37:10.896875  # [   49.694271] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3805 08:37:10.917017  # [   49.707351] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 90 aa 01 8b 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 0<6>[   50.282493] lkdtm: Performing direct entry UNSET_SMEP

 3806 08:37:10.920314  <6>[   50.288726] lkdtm: trying to clear SMEP normally

 3807 08:37:10.926500  <4>[   50.294230] ------------[ cut here ]------------

 3808 08:37:10.933633  <4>[   50.299721] pinned CR4 bits changed: 0x100000!?

 3809 08:37:10.943344  <4>[   50.305140] WARNING: CPU: 0 PID: 1047 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60

 3810 08:37:10.989545  4 de fb ff 48 c7 c7 d0 aa 01 8b <8a> 83 00 40 00 00 88 44 24 07 <4>[   50.315700] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3811 08:37:10.999451  <4>[   50.362208] CPU: 0 PID: 1047 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3812 08:37:11.005738  <4>[   50.371204] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3813 08:37:11.009332  <4>[   50.378154] RIP: 0010:native_write_cr4+0x45/0x60

 3814 08:37:11.032338  <4>[   50.383638] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f8 51 86 02 00 75 f2 48 c7 c7 70 7c f1 8a c6 05 e8 51 86 02 01 e8 75 95 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3815 08:37:11.039174  <4>[   50.405021] RSP: 0018:ffffa900c185fe48 EFLAGS: 00010286

 3816 08:37:11.045679  <4>[   50.411189] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000

 3817 08:37:11.056044  <4>[   50.419506] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 3818 08:37:11.062101  <4>[   50.427827] RBP: ffffffff8b01a1b5 R08: 0000000000000000 R09: 0000000000000000

 3819 08:37:11.072137  <4>[   50.436144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3820 08:37:11.078366  <4>[   50.444462] R13: ffffa900c185ff10 R14: ffffa900c185ff10 R15: ffff9981c4878000

 3821 08:37:11.088697  <4>[   50.452784] FS:  00007efe43ae3580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 3822 08:37:11.094881  <4>[   50.462174] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3823 08:37:11.105170  <4>[   50.468933] CR2: 00007efe438ed000 CR3: 00000001026f0000 CR4: 00000000003506f0

 3824 08:37:11.108420  <4>[   50.477250] Call Trace:

 3825 08:37:11.111539  <4>[   50.480320]  ? __warn+0x80/0x110

 3826 08:37:11.114709  <4>[   50.484255]  ? native_write_cr4+0x45/0x60

 3827 08:37:11.121186  <4>[   50.489071]  ? report_bug+0x9e/0xc0

 3828 08:37:11.124550  <4>[   50.493307]  ? handle_bug+0x41/0x90

 3829 08:37:11.127853  <4>[   50.497536]  ? exc_invalid_op+0x14/0x70

 3830 08:37:11.135088  <4>[   50.502155]  ? asm_exc_invalid_op+0x12/0x20

 3831 08:37:11.138146  <4>[   50.507168]  ? native_write_cr4+0x45/0x60

 3832 08:37:11.144510  <4>[   50.511981]  ? native_write_cr4+0x45/0x60

 3833 08:37:11.148323  <4>[   50.516794]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3834 08:37:11.154613  <4>[   50.521996]  direct_entry.cold+0x2c/0x38

 3835 08:37:11.157656  <4>[   50.526716]  full_proxy_write+0x56/0x80

 3836 08:37:11.161305  <4>[   50.531335]  vfs_write+0xea/0x3b0

 3837 08:37:11.167811  <4>[   50.535373]  ksys_write+0x68/0xf0

 3838 08:37:11.170914  0f b6 74 24 07 5a 5b e9 e7 dd fb ff

 3839 08:37:11.177401  # [   49.728710] RSP: 0018:<4>[   50.539407]  do_syscall_64+0x33/0x40

 3840 08:37:11.183922  <4>[   50.549948]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3841 08:37:11.186996  ffffa900c17dfe50 EFLAGS: 00010246

 3842 08:37:11.193620  # [   49.734868] RAX: 0000000<4>[   50.555934] RIP: 0033:0x7efe439f9473

 3843 08:37:11.197131  000000038 RBX: ffffa900c17dc000 RCX: 0000000000000000

 3844 08:37:11.220868  # [   49.<4>[   50.566474] 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

 3845 08:37:11.230486  <4>[   50.594077] RSP: 002b:00007ffe87e5a408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3846 08:37:11.236692  <4>[   50.602881] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efe439f9473

 3847 08:37:11.246678  <4>[   50.611195] RDX: 000000000000000b RSI: 00007efe438ed000 RDI: 0000000000000001

 3848 08:37:11.253623  <4>[   50.619512] RBP: 00007efe438ed000 R08: 00007efe438ec010 R09: 0000000000000000

 3849 08:37:11.263207  <4>[   50.627865] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3850 08:37:11.269848  <4>[   50.636204] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3851 08:37:11.276565  <4>[   50.644535] irq event stamp: 0

 3852 08:37:11.283073  <4>[   50.648276] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3853 08:37:11.292827  <4>[   50.655621] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3854 08:37:11.303007  <4>[   50.665100] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3855 08:37:11.309534  <4>[   50.674588] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3856 08:37:11.312949  <4>[   50.681930] ---[ end trace f420f41c7bc8cec2 ]---

 3857 08:37:11.319411  <6>[   50.687420] lkdtm: ok: SMEP did not get cleared

 3858 08:37:11.326171  <6>[   50.692811] lkdtm: trying to clear SMEP with call gadget

 3859 08:37:11.332648  <6>[   50.699080] lkdtm: ok: SMEP removal was reverted

 3860 08:37:11.339182  743163] RDX: 0000000000000000 RSI: ffff99823bd1bf50 RDI: ffffffff8b01aad0

 3861 08:37:11.345598  # [   49.751458] RBP: ffffffff8b01a19b R08: 0000000000000000 R09: 0000000000000000

 3862 08:37:11.355601  # [   49.759756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3863 08:37:11.362349  # [   49.768057] R13: ffffa900c17dff10 R14: ffffa900c17dff10 R15: ffff9981c4d9c000

 3864 08:37:11.372252  # [   49.776358] FS:  00007f4efc01c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 3865 08:37:11.378964  # [   49.785722] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3866 08:37:11.388854  # [   49.792460] CR2: ffffa900c17e0000 CR3: 00000001027e6000 CR4: 00000000003506e0

 3867 08:37:11.389282  # [   49.800758] Call Trace:

 3868 08:37:11.392237  # [   49.803794]  <#DF>

 3869 08:37:11.398889  # [   49.806350]  ? __die_body.cold+0x1a/0x1f

 3870 08:37:11.402220  # [   49.811048]  ? die+0x2b/0x50

 3871 08:37:11.405444  # [   49.814575]  ? handle_stack_overflow+0x3e/0x4d

 3872 08:37:11.408540  # [   49.819855]  ? no_context+0x24d/0x380

 3873 08:37:11.412289  # [   49.824252]  </#DF>

 3874 08:37:11.451512  # [   49.826896] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3875 08:37:11.458361  # [   49.873300] ---[ end trace f420f41c7bc8cec1 ]---

 3876 08:37:11.461675  # [   49.878777] RIP: 0010:lkdtm_BUG+0x5/0x10

 3877 08:37:11.484447  # [   49.883472] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 3878 08:37:11.491368  # [   49.904829] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 3879 08:37:11.497607  # [   49.910984] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 3880 08:37:11.507841  # [   49.919278] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 3881 08:37:11.514358  # [   49.927574] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 3882 08:37:11.524188  # [   49.935871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3883 08:37:11.530790  # [   49.944170] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 3884 08:37:11.540772  # [   49.952471] FS:  00007f4efc01c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 3885 08:37:11.547366  # [   49.961845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3886 08:37:11.554069  # [   49.968573] CR2: ffffa900c17e0000 CR3: 00000001027e6000 CR4: 00000000003506e0

 3887 08:37:11.560584  # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok

 3888 08:37:11.563964  ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3889 08:37:11.567545  # selftests: lkdtm: UNSET_SMEP.sh

 3890 08:37:11.573555  # [   50.282493] lkdtm: Performing direct entry UNSET_SMEP

 3891 08:37:11.580379  # [   50.288726] lkdtm: trying to clear SMEP normally

 3892 08:37:11.583870  # [   50.294230] ------------[ cut here ]------------

 3893 08:37:11.590209  # [   50.299721] pinned CR4 bits changed: 0x100000!?

 3894 08:37:11.600508  # [   50.305140] WARNING: CPU: 0 PID: 1047 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60

 3895 08:37:11.630242  # [   50.315700] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_e<6>[   50.996431] lkdtm: Performing direct entry DOUBLE_FAULT

 3896 08:37:11.643293  c_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usb<3>[   51.004055] lkdtm: XFAIL: this test is ia32-only

 3897 08:37:11.652799  pd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3898 08:37:11.662955  # [   50.362208] CPU: 0 PID: 1047 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3899 08:37:11.669507  # [   50.371204] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3900 08:37:11.672856  # [   50.378154] RIP: 0010:native_write_cr4+0x45/0x60

 3901 08:37:11.695862  # [   50.383638] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f8 51 86 02 00 75 f2 48 c7 c7 70 7c f1 8a c6 05 e8 51 86 02 01 e8 75 95 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3902 08:37:11.702517  # [   50.405021] RSP: 0018:ffffa900c185fe48 EFLAGS: 00010286

 3903 08:37:11.709272  # [   50.411189] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000

 3904 08:37:11.715802  # [   50.419506] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 3905 08:37:11.725834  # [   50.427827] RBP: ffffffff8b01a1b5 R08: 0000000000000000 R09: 0000000000000000

 3906 08:37:11.732531  # [   50.436144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3907 08:37:11.742370  # [   50.444462] R13: ffffa900c185ff10 R14: ffffa900c185ff10 R15: ffff9981c4878000

 3908 08:37:11.752356  # [   50.452784] FS:  00007efe43ae3580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 3909 08:37:11.758883  # [   50.462174] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3910 08:37:11.765522  # [   50.468933] CR2: 00007efe438ed000 CR3: 00000001026f0000 CR4: 00000000003506f0

 3911 08:37:11.768886  # [   50.477250] Call Trace:

 3912 08:37:11.772222  # [   50.480320]  ? __warn+0x80/0x110

 3913 08:37:11.778678  # [   50.484255]  ? native_write_cr4+0x45/0x60

 3914 08:37:11.782098  # [   50.489071]  ? report_bug+0x9e/0xc0

 3915 08:37:11.785193  # [   50.493307]  ? handle_bug+0x41/0x90

 3916 08:37:11.788538  # [   50.497536]  ? exc_invalid_op+0x14/0x70

 3917 08:37:11.795230  # [   50.502155]  ? asm_exc_invalid_op+0x12/0x20

 3918 08:37:11.798751  # [   50.507168]  ? native_write_cr4+0x45/0x60

 3919 08:37:11.805338  # [   50.511981]  ? native_write_cr4+0x45/0x60

 3920 08:37:11.808729  # [   50.516794]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3921 08:37:11.815115  # [   50.521996]  direct_entry.cold+0x2c/0x38

 3922 08:37:11.818514  # [   50.526716]  full_proxy_write+0x56/0x80

 3923 08:37:11.822043  # [   50.531335]  vfs_write+0xea/0x3b0

 3924 08:37:11.825037  # [   50.535373]  ksys_write+0x68/0xf0

 3925 08:37:11.831718  # [   50.539407]  do_syscall_64+0x33/0x40

 3926 08:37:11.835116  # [   50.549948]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3927 08:37:11.841676  # [   50.555934] RIP: 0033:0x7efe439f9473

 3928 08:37:11.861380  # [   50.566474] 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

 3929 08:37:11.871465  # [   50.594077] RSP: 002b:00007ffe87e5a408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3930 08:37:11.878179  # [   50.602881] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efe439f9473

 3931 08:37:11.888335  # [   50.611195] RDX: 000000000000000b RSI: 00007efe438ed000 RDI: 0000000000000001

 3932 08:37:11.894528  # [   50.619512] RBP: 00007efe438ed000 R08: 00007efe438ec010 R09: 0000000000000000

 3933 08:37:11.904468  # [   50.627865] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3934 08:37:11.911149  # [   50.636204] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3935 08:37:11.914689  # [   50.644535] irq event stamp: 0

 3936 08:37:11.921220  # [   50.648276] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3937 08:37:11.927920  # [   50.6<6>[   51.290639] lkdtm: Performing direct entry CORRUPT_PAC

 3938 08:37:11.941406  55621] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_<3>[   51.302651] lkdtm: XFAIL: this test is arm64-only

 3939 08:37:11.943998  process+0x65c/0x20e0

 3940 08:37:11.954312  # [   50.665100] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 3941 08:37:11.960857  # [   50.674588] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3942 08:37:11.964120  # [   50.681930] ---[ end trace f420f41c7bc8cec2 ]---

 3943 08:37:11.970690  # [   50.687420] lkdtm: ok: SMEP did not get cleared

 3944 08:37:11.977420  # [   50.692811] lkdtm: trying to clear SMEP with call gadget

 3945 08:37:11.980619  # [   50.699080] lkdtm: ok: SMEP removal was reverted

 3946 08:37:11.987492  # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok

 3947 08:37:11.990728  ok 14 selftests: lkdtm: UNSET_SMEP.sh

 3948 08:37:11.993831  # selftests: lkdtm: DOUBLE_FAULT.sh

 3949 08:37:12.000501  # [   50.996431] lkdtm: Performing direct entry DOUBLE_FAULT

 3950 08:37:12.007538  # [   51.004055] lkdtm: XFAIL: this test is ia32-only

 3951 08:37:12.010644  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]

 3952 08:37:12.013723  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP

 3953 08:37:12.017090  # selftests: lkdtm: CORRUPT_PAC.sh

 3954 08:37:12.024075  # [   51.290639] lkdtm: Performing direct entry CORRUPT_PAC

 3955 08:37:12.030643  # [   51.302651] lkdtm: XFAIL: this test is arm64-only

 3956 08:37:12.033472  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 3957 08:37:12.042531  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 3958 08:37:12.057966  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 3959 08:37:12.226851  <6>[   51.591590] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3960 08:37:12.233312  <3>[   51.599166] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3961 08:37:12.291592  # [   51.591590] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3962 08:37:12.297796  # [   51.599166] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3963 08:37:12.316368  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 3964 08:37:12.332918  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 3965 08:37:12.348039  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 3966 08:37:12.458958  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 3967 08:37:12.465357  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 3968 08:37:12.478984  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 3969 08:37:12.592059  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 3970 08:37:12.598575  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 3971 08:37:12.613330  # selftests: lkdtm: READ_AFTER_FREE.sh

 3972 08:37:12.784571  <6>[   52.152569] lkdtm: Performing direct entry READ_AFTER_FREE

 3973 08:37:12.790768  <6>[   52.159078] lkdtm: Value in memory before free: 12345678

 3974 08:37:12.797412  <6>[   52.165355] lkdtm: Attempting bad read from freed memory

 3975 08:37:12.803996  <6>[   52.171635] lkdtm: Memory was not poisoned

 3976 08:37:12.861211  # [   52.152569] lkdtm: Performing direct entry READ_AFTER_FREE

 3977 08:37:12.867674  # [   52.159078] lkdtm: Value in memory before free: 12345678

 3978 08:37:12.874238  # [   52.165355] lkdtm: Attempting bad read from freed memory

 3979 08:37:12.880879  # [   52.171635] lkdtm: Memory was not poisoned

 3980 08:37:12.887587  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 3981 08:37:12.903027  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 3982 08:37:12.918872  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh

 3983 08:37:13.030758  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure

 3984 08:37:13.037149  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP

 3985 08:37:13.051229  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 3986 08:37:13.226149  <6>[   52.591296] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3987 08:37:13.233374  <6>[   52.598387] lkdtm: Value in memory before free: 12345678

 3988 08:37:13.235969  <6>[   52.604677] lkdtm: Attempting to read from freed memory

 3989 08:37:13.242764  <6>[   52.610857] lkdtm: Buddy page was not poisoned

 3990 08:37:13.299389  # [   52.591296] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3991 08:37:13.302807  # [   52.598387] lkdtm: Value in memory before free: 12345678

 3992 08:37:13.309389  # [   52.604677] lkdtm: Attempting to read from freed memory

 3993 08:37:13.316059  # [   52.610857] lkdtm: Buddy page was not poisoned

 3994 08:37:13.319258  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 3995 08:37:13.335857  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 3996 08:37:13.349579  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 3997 08:37:13.509448  <6>[   52.877442] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 3998 08:37:13.516023  <6>[   52.884039] lkdtm: Attempting double slab free ...

 3999 08:37:13.573411  # [   52.877442] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 4000 08:37:13.579642  # [   52.884039] lkdtm: Attempting double slab free ...

 4001 08:37:13.594528  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]

 4002 08:37:13.608424  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 4003 08:37:13.623056  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 4004 08:37:13.785585  <6>[   53.154120] lkdtm: Performing direct entry SLAB_FREE_CROSS

 4005 08:37:13.792385  <6>[   53.160618] lkdtm: Attempting cross-cache slab free ...

 4006 08:37:13.846614  # [   53.154120] lkdtm: Performing direct entry SLAB_FREE_CROSS

 4007 08:37:13.853301  # [   53.160618] lkdtm: Attempting cross-cache slab free ...

 4008 08:37:13.872026  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 4009 08:37:13.887567  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 4010 08:37:13.904004  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 4011 08:37:14.072649  <6>[   53.440773] lkdtm: Performing direct entry SLAB_FREE_PAGE

 4012 08:37:14.079235  <6>[   53.447172] lkdtm: Attempting non-Slab slab free ...

 4013 08:37:14.144742  # [   53.440773] lkdtm: Performing direct entry SLAB_FREE_PAGE

 4014 08:37:14.151212  # [   53.447172] lkdtm: Attempting non-Slab slab free ...

 4015 08:37:14.170367  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 4016 08:37:14.183491  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 4017 08:37:14.197830  # selftests: lkdtm: SOFTLOCKUP.sh

 4018 08:37:14.307575  # Skipping SOFTLOCKUP: Hangs the system

 4019 08:37:14.310315  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 4020 08:37:14.327757  # selftests: lkdtm: HARDLOCKUP.sh

 4021 08:37:14.439704  # Skipping HARDLOCKUP: Hangs the system

 4022 08:37:14.443161  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP

 4023 08:37:14.457534  # selftests: lkdtm: SPINLOCKUP.sh

 4024 08:37:14.568993  # Skipping SPINLOCKUP: Hangs the system

 4025 08:37:14.575773  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP

 4026 08:37:14.585622  # selftests: lkdtm: HUNG_TASK.sh

 4027 08:37:14.701391  # Skipping HUNG_TASK: Hangs the system

 4028 08:37:14.704538  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP

 4029 08:37:14.720852  # selftests: lkdtm: EXEC_DATA.sh

 4030 08:37:14.877773  <6>[   54.246067] lkdtm: Performing direct entry EXEC_DATA

 4031 08:37:14.884242  <6>[   54.251991] lkdtm: attempting ok execution at ffffffff8977c5f0

 4032 08:37:14.891474  <6>[   54.258895] lkdtm: attempting bad execution at ffffffff8ca25d40

 4033 08:37:14.901140  <2>[   54.265880] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4034 08:37:14.910827  <1>[   54.274568] BUG: unable to handle page fault for address: ffffffff8ca25d40

 4035 08:37:14.918291  <1>[   54.282573] #PF: supervisor instruction fetch in kernel mode

 4036 08:37:14.924106  <1>[   54.289215] #PF: error_code(0x0011) - permissions violation

 4037 08:37:14.930776  <6>[   54.295758] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 800000014a8000e3 

 4038 08:37:14.933949  <4>[   54.303873] Oops: 0011 [#5] SMP PTI

 4039 08:37:14.944000  <4>[   54.308083] CPU: 3 PID: 1570 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4040 08:37:14.950528  <4>[   54.317062] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4041 08:37:14.957022  <4>[   54.324003] RIP: 0010:data_area+0x0/0x40

 4042 08:37:14.977111  <4>[   54.328697] Code: ff ff 00 33 81 c0 81 99 ff ff 00 32 81 c0 81 99 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

 4043 08:37:14.983466  <4>[   54.350049] RSP: 0018:ffffa900c1fe7e48 EFLAGS: 00010246

 4044 08:37:14.990449  <4>[   54.356204] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4045 08:37:14.999937  <4>[   54.364493] RDX: 0000000000000000 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50

 4046 08:37:15.006662  <4>[   54.372787] RBP: ffffffff8ca25d40 R08: 0000000000000000 R09: 0000000000000000

 4047 08:37:15.016713  <4>[   54.381077] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4048 08:37:15.023109  <4>[   54.389368] R13: ffffa900c1fe7f10 R14: ffffa900c1fe7f10 R15: ffff9981c2ef2000

 4049 08:37:15.033535  <4>[   54.397667] FS:  00007fcf92826580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 4050 08:37:15.039670  <4>[   54.407039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4051 08:37:15.049341  <4>[   54.413779] CR2: ffffffff8ca25d40 CR3: 0000000105854000 CR4: 00000000003506e0

 4052 08:37:15.052877  <4>[   54.422076] Call Trace:

 4053 08:37:15.056473  <4>[   54.425123]  ? __die_body.cold+0x1a/0x1f

 4054 08:37:15.062995  <4>[   54.429822]  ? no_context+0x177/0x380

 4055 08:37:15.065935  <4>[   54.434228]  ? exc_page_fault+0xd7/0x170

 4056 08:37:15.069277  <4>[   54.438927]  ? asm_exc_page_fault+0x1e/0x30

 4057 08:37:15.076210  <4>[   54.443927]  ? execute_location+0x48/0x56

 4058 08:37:15.078836  <4>[   54.448714]  ? direct_entry.cold+0x2c/0x38

 4059 08:37:15.085472  <4>[   54.453606]  ? full_proxy_write+0x56/0x80

 4060 08:37:15.089558  <4>[   54.458392]  ? vfs_write+0xea/0x3b0

 4061 08:37:15.092352  <4>[   54.462593]  ? ksys_write+0x68/0xf0

 4062 08:37:15.098748  <4>[   54.466793]  ? do_syscall_64+0x33/0x40

 4063 08:37:15.105523  <4>[   54.471286]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4064 08:37:15.145783  <4>[   54.477440] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4065 08:37:15.148931  <4>[   54.517691] CR2: ffffffff8ca25d40

 4066 08:37:15.155534  <4>[   54.521705] ---[ end trace f420f41c7bc8cec3 ]---

 4067 08:37:15.158284  <4>[   54.527183] RIP: 0010:lkdtm_BUG+0x5/0x10

 4068 08:37:15.181658  <4>[   54.531876] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 4069 08:37:15.185122  <4>[   54.553231] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 4070 08:37:15.195365  <4>[   54.559379] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 4071 08:37:15.201639  <4>[   54.567677] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 4072 08:37:15.211660  <4>[   54.575977] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 4073 08:37:15.218461  <4>[   54.584274] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4074 08:37:15.228204  <4>[   54.592570] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 4075 08:37:15.238181  <4>[   54.600870] FS:  00007fcf92826580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 4076 08:37:15.244675  <4>[   54.610229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4077 08:37:15.251463  <4>[   54.616967] CR2: ffffffff8ca25d40 CR3: 0000000105854000 CR4: 00000000003506e0

 4078 08:37:15.261226  <3>[   54.625269] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4079 08:37:15.270933  <3>[   54.635501] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1570, name: cat

 4080 08:37:15.274048  <4>[   54.644280] INFO: lockdep is turned off.

 4081 08:37:15.280966  <4>[   54.648969] irq event stamp: 0

 4082 08:37:15.287636  <4>[   54.652690] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4083 08:37:15.297411  <4>[   54.660015] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 4084 08:37:15.307297  <4>[   54.669483] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 4085 08:37:15.314041  <4>[   54.678952] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4086 08:37:15.320539  <4>[   54.686279] CPU: 3 PID: 1570 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4087 08:37:15.330358  <4>[   54.695244] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4088 08:37:15.330787  <4>[   54.702159] Call Trace:

 4089 08:37:15.337034  <4>[   54.705198]  dump_stack+0x77/0x9b

 4090 08:37:15.340256  <4>[   54.709207]  ___might_sleep.cold+0xa6/0xb6

 4091 08:37:15.343560  <4>[   54.714093]  exit_signals+0x1c/0x300

 4092 08:37:15.350293  <4>[   54.718396]  do_exit+0xc2/0xab0

 4093 08:37:15.353672  <4>[   54.722212]  ? ksys_write+0x68/0xf0

 4094 08:37:15.357082  <4>[   54.726412]  make_task_dead+0x2f/0x30

 4095 08:37:15.363763  <4>[   54.730804]  rewind_stack_and_make_dead+0x17/0x20

 4096 08:37:15.366740  <4>[   54.736363] RIP: 0033:0x7fcf9273c473

 4097 08:37:15.390096  <4>[   54.740662] 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

 4098 08:37:15.396715  <4>[   54.761990] RSP: 002b:00007ffd02dd2e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4099 08:37:15.406336  <4>[   54.770765] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fcf9273c473

 4100 08:37:15.413320  <4>[   54.779056] RDX: 000000000000000a RSI: 00007fcf92630000 RDI: 0000000000000001

 4101 08:37:15.422921  <4>[   54.787349] RBP: 00007fcf92630000 R08: 00007fcf9262f010 R09: 0000000000000000

 4102 08:37:15.429667  <4>[   54.795628] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4103 08:37:15.439348  <4>[   54.803912] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4104 08:37:15.439905  # Killed

 4105 08:37:15.499879  # [   54.246067] lkdtm: Performing direct entry EXEC_DATA

 4106 08:37:15.506562  # [   54.251991] lkdtm: attempting ok execution at ffffffff8977c5f0

 4107 08:37:15.513239  # [   54.258895] lkdtm: attempting bad execution at ffffffff8ca25d40

 4108 08:37:15.523088  # [   54.265880] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4109 08:37:15.530128  # [   54.274568] BUG: unable to handle page fault for address: ffffffff8ca25d40

 4110 08:37:15.536994  # [   54.282573] #PF: supervisor instruction fetch in kernel mode

 4111 08:37:15.543425  # [   54.289215] #PF: error_code(0x0011) - permissions violation

 4112 08:37:15.553093  # [   54.295758] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 800000014a8000e3 

 4113 08:37:15.556598  # [   54.303873] Oops: 0011 [#5] SMP PTI

 4114 08:37:15.566156  # [   54.308083] CPU: 3 PID: 1570 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4115 08:37:15.572919  # [   54.317062] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4116 08:37:15.576034  # [   54.324003] RIP: 0010:data_area+0x0/0x40

 4117 08:37:15.595833  # [   54.328697] Code: ff ff 00 33 81 c0 81 99 ff ff 00 32 81 c0 81 99 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

 4118 08:37:15.602484  # [   54.350049] RSP: 0018:ffffa900c1fe7e48 EFLAGS: 00010246

 4119 08:37:15.612344  # [   54.356204] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4120 08:37:15.619039  # [   54.364493] RDX: 0000000000000000 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50

 4121 08:37:15.628831  # [   54.372787] RBP: ffffffff8ca25d40 R08: 0000000000000000 R09: 0000000000000000

 4122 08:37:15.635425  # [   54.381077] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4123 08:37:15.645513  # [   54.389368] R13: ffffa900c1fe7f10 R14: ffffa900c1fe7f10 R15: ffff9981c2ef2000

 4124 08:37:15.652088  # [   54.397667] FS:  00007fcf92826580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 4125 08:37:15.658534  # [   54.407039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4126 08:37:15.668688  # [   54.413779] CR2: ffffffff8ca25d40 CR3: 0000000105854000 CR4: 00000000003506e0

 4127 08:37:15.672234  # [   54.422076] Call Trace:

 4128 08:37:15.675431  # [   54.425123]  ? __die_body.cold+0x1a/0x1f

 4129 08:37:15.678511  # [   54.429822]  ? no_context+0x177/0x380

 4130 08:37:15.685021  # [   54.434228]  ? exc_page_fault+0xd7/0x170

 4131 08:37:15.688504  # [   54.438927]  ? asm_exc_page_fault+0x1e/0x30

 4132 08:37:15.694850  # [   54.443927]  ? execute_location+0x48/0x56

 4133 08:37:15.698467  # [   54.448714]  ? direct_entry.cold+0x2c/0x38

 4134 08:37:15.705111  # [   54.453606]  ? full_proxy_write+0x56/0x80

 4135 08:37:15.708413  # [   54.458392]  ? vfs_write+0xea/0x3b0

 4136 08:37:15.711311  # [   54.462593]  ? ksys_write+0x68/0xf0

 4137 08:37:15.714813  # [   54.466793]  ? do_syscall_64+0x33/0x40

 4138 08:37:15.721581  # [   54.471286]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4139 08:37:15.761585  # [   54.477440] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4140 08:37:15.764401  # [   54.517691] CR2: ffffffff8ca25d40

 4141 08:37:15.774458  # [   54.<6>[   55.137726] lkdtm: Performing direct entry EXEC_STACK

 4142 08:37:15.781408  <6>[   55.146313] lkdtm: attempting ok execution at ffffffff8977c5f0

 4143 08:37:15.787728  <6>[   55.153194] lkdtm: attempting bad execution at ffffa900c2077e18

 4144 08:37:15.791065  521705] ---[ end trace f420f41c7bc8cec3 ]---

 4145 08:37:15.800796  # [   54.527183] R<2>[   55.160159] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4146 08:37:15.810863  <1>[   55.175030] BUG: unable to handle page fault for address: ffffa900c2077e18

 4147 08:37:15.817628  <1>[   55.183031] #PF: supervisor instruction fetch in kernel mode

 4148 08:37:15.820753  IP: 0010:lkdtm_BUG+0x5/0x10

 4149 08:37:15.830513  # [   54.531876] Code: 89 ff e8 5e <1>[   55.189662] #PF: error_code(0x0011) - permissions violation

 4150 08:37:15.837132  <6>[   55.202430] PGD 100000067 P4D 100000067 PUD 100245067 PMD 106355067 PTE 800000010608d063

 4151 08:37:15.850445  d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc c<4>[   55.211806] Oops: 0011 [#6] SMP PTI

 4152 08:37:15.863616  <4c cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f>[   55.222233] CPU: 0 PID: 1607 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4153 08:37:15.870091  <4>[   55.237346] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4154 08:37:15.876559  <4>[   55.244277] RIP: 0010:0xffffa900c2077e18

 4155 08:37:15.896690  <4>[   55.248970] Code: 00 00 18 7e 07 c2 00 a9 ff ff df 36 e4 89 ff ff ff ff 20 00 00 00 00 00 00 00 de a2 01 8b ff ff ff ff 0b 38 e4 89 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

 4156 08:37:15.903407  <4>[   55.270306] RSP: 0018:ffffa900c2077df8 EFLAGS: 00010246

 4157 08:37:15.909753  <4>[   55.276453] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4158 08:37:15.919448  <4>[   55.284738] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 4159 08:37:15.929590  <4>[   55.293031] RBP: ffffa900c2077e18 R08: 0000000000000000 R09: 0000000000000000

 4160 08:37:15.936827  <4>[   55.301325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4161 08:37:15.946237  <4>[   55.309613] R13: ffffa900c2077f10 R14: ffffa900c2077f10 R15: ffff9981c4874000

 4162 08:37:15.953264  <4>[   55.317908] FS:  00007f139d523580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 4163 08:37:15.959873  <4>[   55.327263] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4164 08:37:15.969813  <4>[   55.333997] CR2: ffffa900c2077e18 CR3: 00000001034da000 CR4: 00000000003506f0

 4165 08:37:15.973263  <4>[   55.342289] Call Trace:

 4166 08:37:15.976358  <4>[   55.345340]  ? __die_body.cold+0x1a/0x1f

 4167 08:37:15.982780  <4>[   55.350035]  ? no_context+0x177/0x380

 4168 08:37:15.986162  <4>[   55.354442]  ? exc_page_fault+0xd7/0x170

 4169 08:37:15.989272  <4>[   55.359141]  ? asm_exc_page_fault+0x1e/0x30

 4170 08:37:15.996256  <4>[   55.364135]  ? execute_location+0x48/0x56

 4171 08:37:15.999404  <4>[   55.368913]  ? lkdtm_EXEC_STACK+0x26/0x44

 4172 08:37:16.005982  <4>[   55.373707]  ? direct_entry.cold+0x2c/0x38

 4173 08:37:16.009274  <4>[   55.378595]  ? full_proxy_write+0x56/0x80

 4174 08:37:16.015725  <4>[   55.383388]  ? vfs_write+0xea/0x3b0

 4175 08:37:16.019245  <4>[   55.387592]  ? ksys_write+0x68/0xf0

 4176 08:37:16.022136  <4>[   55.391799]  ? do_syscall_64+0x33/0x40

 4177 08:37:16.028895  <4>[   55.396291]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4178 08:37:16.035954  1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 4179 08:37:16.075282  # [   54.<4>[   55.402454] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4180 08:37:16.078248  <4>[   55.448863] CR2: ffffa900c2077e18

 4181 08:37:16.084890  <4>[   55.452867] ---[ end trace f420f41c7bc8cec4 ]---

 4182 08:37:16.088059  <4>[   55.458341] RIP: 0010:lkdtm_BUG+0x5/0x10

 4183 08:37:16.111340  <4>[   55.463031] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 4184 08:37:16.118088  <4>[   55.484363] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 4185 08:37:16.120994  553231] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 4186 08:37:16.131244  # [   54.55<4>[   55.490519] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 4187 08:37:16.141076  <4>[   55.505047] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 4188 08:37:16.147624  <4>[   55.513325] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 4189 08:37:16.157471  <4>[   55.521616] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4190 08:37:16.164090  <4>[   55.529907] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 4191 08:37:16.174008  <4>[   55.538206] FS:  00007f139d523580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 4192 08:37:16.180584  <4>[   55.547568] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4193 08:37:16.187364  <4>[   55.554303] CR2: ffffa900c2077e18 CR3: 00000001034da000 CR4: 00000000003506f0

 4194 08:37:16.197250  9379] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 4195 08:37:16.204074  # [   54.567677] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 4196 08:37:16.213871  # [   54.575977] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 4197 08:37:16.220478  # [   54.584274] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4198 08:37:16.230183  # [   54.592570] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 4199 08:37:16.236848  # [   54.600870] FS:  00007fcf92826580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 4200 08:37:16.243608  # [   54.610229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4201 08:37:16.253354  # [   54.616967] CR2: ffffffff8ca25d40 CR3: 0000000105854000 CR4: 00000000003506e0

 4202 08:37:16.263407  # [   54.625269] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4203 08:37:16.273507  # [   54.635501] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1570, name: cat

 4204 08:37:16.276833  # [   54.644280] INFO: lockdep is turned off.

 4205 08:37:16.279938  # [   54.648969] irq event stamp: 0

 4206 08:37:16.286490  # [   54.652690] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4207 08:37:16.296555  # [   54.660015] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 4208 08:37:16.306356  # [   54.669483] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 4209 08:37:16.313290  # [   54.678952] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4210 08:37:16.322998  # [   54.686279] CPU: 3 PID: 1570 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4211 08:37:16.329798  # [   54.695244] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4212 08:37:16.332840  # [   54.702159] Call Trace:

 4213 08:37:16.336511  # [   54.705198]  dump_stack+0x77/0x9b

 4214 08:37:16.339664  # [   54.709207]  ___might_sleep.cold+0xa6/0xb6

 4215 08:37:16.342959  # [   54.714093]  exit_signals+0x1c/0x300

 4216 08:37:16.349741  # [   54.718396]  do_exit+0xc2/0xab0

 4217 08:37:16.352777  # [   54.722212]  ? ksys_write+0x68/0xf0

 4218 08:37:16.356033  # [   54.726412]  make_task_dead+0x2f/0x30

 4219 08:37:16.362608  # [   54.730804]  rewind_stack_and_make_dead+0x17/0x20

 4220 08:37:16.365946  # [   54.736363] RIP: 0033:0x7fcf9273c473

 4221 08:37:16.385793  # [   54.740662] 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

 4222 08:37:16.395633  # [   54.761990] RSP: 002b:00007ffd02dd2e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4223 08:37:16.405869  # [   54.770765] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fcf9273c473

 4224 08:37:16.412356  # [   54.779056] RDX: 000000000000000a RSI: 00007fcf92630000 RDI: 0000000000000001

 4225 08:37:16.422461  # [   54.787349] RBP: 00007fcf92630000 R08: 00007fcf9262f010 R09: 0000000000000000

 4226 08:37:16.429086  # [   54.795628] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4227 08:37:16.435868  # [   54.803912] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4228 08:37:16.442225  # EXEC_DATA: saw 'call trace:': ok

 4229 08:37:16.445574  ok 30 selftests: lkdtm: EXEC_DATA.sh

 4230 08:37:16.448878  # selftests: lkdtm: EXEC_STACK.sh

 4231 08:37:16.448983  # Killed

 4232 08:37:16.455321  # [   55.137726] lkdtm: Performing direct entry EXEC_STACK

 4233 08:37:16.462246  # [   55.146313] lkdtm: attempting ok execution at ffffffff8977c5f0

 4234 08:37:16.468952  # [   55.153194] lkdtm<6>[   55.833294] lkdtm: Performing direct entry EXEC_KMALLOC

 4235 08:37:16.475291  <6>[   55.843312] lkdtm: attempting ok execution at ffffffff8977c5f0

 4236 08:37:16.481827  <6>[   55.850181] lkdtm: attempting bad execution at ffff9981c3376640

 4237 08:37:16.488497  : attempting bad execution at ffffa900c2077e18

 4238 08:37:16.498425  # [   55.160159]<2>[   55.857159] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4239 08:37:16.505199  <1>[   55.872053] BUG: unable to handle page fault for address: ffff9981c3376640

 4240 08:37:16.518344   kernel tried to execute NX-protected page - exploit attempt? (u<1>[   55.880062] #PF: supervisor instruction fetch in kernel mode

 4241 08:37:16.525116  <1>[   55.892934] #PF: error_code(0x0011) - permissions violation

 4242 08:37:16.535006  <6>[   55.899481] PGD 14aa01067 P4D 14aa01067 PUD 10087d063 PMD 105b6e063 PTE 8000000103376063

 4243 08:37:16.538059  <4>[   55.908861] Oops: 0011 [#7] SMP PTI

 4244 08:37:16.548063  <4>[   55.913069] CPU: 2 PID: 1644 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4245 08:37:16.554585  <4>[   55.922049] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4246 08:37:16.561068  <4>[   55.928989] RIP: 0010:0xffff9981c3376640

 4247 08:37:16.581250  <4>[   55.933684] Code: ad de c0 96 6f c2 81 99 ff ff c0 61 37 c3 81 99 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb f2 cf 88 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

 4248 08:37:16.587658  <4>[   55.955044] RSP: 0018:ffffa900c212fe38 EFLAGS: 00010246

 4249 08:37:16.594268  <4>[   55.961203] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4250 08:37:16.603965  <4>[   55.969499] RDX: 0000000000000000 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50

 4251 08:37:16.610734  <4>[   55.977799] RBP: ffff9981c3376640 R08: 0000000000000000 R09: 0000000000000000

 4252 08:37:16.620609  <4>[   55.986097] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4253 08:37:16.627403  <4>[   55.994394] R13: ffffa900c212ff10 R14: ffffa900c212ff10 R15: ffff9981c30f5000

 4254 08:37:16.637293  <4>[   56.002695] FS:  00007f718aa2c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 4255 08:37:16.643962  <4>[   56.012068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4256 08:37:16.653899  <4>[   56.018803] CR2: ffff9981c3376640 CR3: 00000001030ea000 CR4: 00000000003506e0

 4257 08:37:16.657015  <4>[   56.027099] Call Trace:

 4258 08:37:16.660373  <4>[   56.030148]  ? __die_body.cold+0x1a/0x1f

 4259 08:37:16.667442  <4>[   56.034841]  ? no_context+0x177/0x380

 4260 08:37:16.670465  <4>[   56.039249]  ? exc_page_fault+0xd7/0x170

 4261 08:37:16.673774  <4>[   56.043946]  ? asm_exc_page_fault+0x1e/0x30

 4262 08:37:16.680420  <4>[   56.048933]  ? execute_location+0x48/0x56

 4263 08:37:16.683605  <4>[   56.053717]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 4264 08:37:16.690343  <4>[   56.058700]  ? direct_entry.cold+0x2c/0x38

 4265 08:37:16.693645  <4>[   56.063594]  ? full_proxy_write+0x56/0x80

 4266 08:37:16.700075  <4>[   56.068388]  ? vfs_write+0xea/0x3b0

 4267 08:37:16.703442  <4>[   56.072593]  ? ksys_write+0x68/0xf0

 4268 08:37:16.706617  <4>[   56.076796]  ? do_syscall_64+0x33/0x40

 4269 08:37:16.713321  <4>[   56.081290]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4270 08:37:16.713436  id: 0)

 4271 08:37:16.759586  # [   55.175030] BUG: unable to handle page fault for ad<4>[   56.087451] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4272 08:37:16.762794  <4>[   56.133873] CR2: ffff9981c3376640

 4273 08:37:16.769665  <4>[   56.137884] ---[ end trace f420f41c7bc8cec5 ]---

 4274 08:37:16.772628  <4>[   56.143358] RIP: 0010:lkdtm_BUG+0x5/0x10

 4275 08:37:16.795857  <4>[   56.148056] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 4276 08:37:16.802629  <4>[   56.169409] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 4277 08:37:16.809267  <4>[   56.175563] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 4278 08:37:16.819210  <4>[   56.183858] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 4279 08:37:16.825764  <4>[   56.192146] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 4280 08:37:16.835535  <4>[   56.200442] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4281 08:37:16.842501  <4>[   56.208737] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 4282 08:37:16.852073  <4>[   56.217035] FS:  00007f718aa2c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 4283 08:37:16.858668  <4>[   56.226406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4284 08:37:16.868771  <4>[   56.233143] CR2: ffff9981c3376640 CR3: 00000001030ea000 CR4: 00000000003506e0

 4285 08:37:16.878624  <3>[   56.241439] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4286 08:37:16.885141  <3>[   56.251684] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1644, name: cat

 4287 08:37:16.891846  <4>[   56.260465] INFO: lockdep is turned off.

 4288 08:37:16.895072  <4>[   56.265154] irq event stamp: 0

 4289 08:37:16.901726  <4>[   56.268872] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4290 08:37:16.911605  <4>[   56.276198] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 4291 08:37:16.921428  <4>[   56.285670] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 4292 08:37:16.928186  <4>[   56.295137] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4293 08:37:16.938298  <4>[   56.302461] CPU: 2 PID: 1644 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4294 08:37:16.944827  <4>[   56.311442] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4295 08:37:16.948182  <4>[   56.318375] Call Trace:

 4296 08:37:16.951763  <4>[   56.321419]  dump_stack+0x77/0x9b

 4297 08:37:16.958250  <4>[   56.325433]  ___might_sleep.cold+0xa6/0xb6

 4298 08:37:16.961214  <4>[   56.330328]  exit_signals+0x1c/0x300

 4299 08:37:16.964652  <4>[   56.334632]  do_exit+0xc2/0xab0

 4300 08:37:16.967758  <4>[   56.338450]  ? ksys_write+0x68/0xf0

 4301 08:37:16.974511  <4>[   56.342660]  make_task_dead+0x2f/0x30

 4302 08:37:16.977913  <4>[   56.347062]  rewind_stack_and_make_dead+0x17/0x20

 4303 08:37:16.984567  <4>[   56.352632] RIP: 0033:0x7f718a942473

 4304 08:37:17.004354  <4>[   56.356934] 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

 4305 08:37:17.014072  <4>[   56.378288] RSP: 002b:00007ffd373bcfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4306 08:37:17.020965  <4>[   56.387079] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f718a942473

 4307 08:37:17.030702  <4>[   56.395377] RDX: 000000000000000d RSI: 00007f718a836000 RDI: 0000000000000001

 4308 08:37:17.037426  <4>[   56.403668] RBP: 00007f718a836000 R08: 00007f718a835010 R09: 0000000000000000

 4309 08:37:17.047294  <4>[   56.411960] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4310 08:37:17.053725  <4>[   56.420260] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4311 08:37:17.057380  dress: ffffa900c2077e18

 4312 08:37:17.063778  # [   55.183031] #PF: supervisor instruction fetch in kernel mode

 4313 08:37:17.070675  # [   55.189662] #PF: error_code(0x0011) - permissions violation

 4314 08:37:17.080527  # [   55.202430] PGD 100000067 P4D 100000067 PUD 100245067 PMD 106355067 PTE 800000010608d063

 4315 08:37:17.083703  # [   55.211806] Oops: 0011 [#6] SMP PTI

 4316 08:37:17.093759  # [   55.222233] CPU: 0 PID: 1607 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4317 08:37:17.100423  # [   55.237346] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4318 08:37:17.103479  # [   55.244277] RIP: 0010:0xffffa900c2077e18

 4319 08:37:17.126695  # [   55.248970] Code: 00 00 18 7e 07 c2 00 a9 ff ff df 36 e4 89 ff ff ff ff 20 00 00 00 00 00 00 00 de a2 01 8b ff ff ff ff 0b 38 e4 89 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

 4320 08:37:17.129999  # [   55.270306] RSP: 0018:ffffa900c2077df8 EFLAGS: 00010246

 4321 08:37:17.140042  # [   55.276453] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4322 08:37:17.146862  # [   55.284738] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 4323 08:37:17.156357  # [   55.293031] RBP: ffffa900c2077e18 R08: 0000000000000000 R09: 0000000000000000

 4324 08:37:17.163096  # [   55.301325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4325 08:37:17.172892  # [   55.309613] R13: ffffa900c2077f10 R14: ffffa900c2077f10 R15: ffff9981c4874000

 4326 08:37:17.183072  # [   55.317908] FS:  00007f139d523580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 4327 08:37:17.189422  # [   55.327263] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4328 08:37:17.196361  # [   55.333997] CR2: ffffa900c2077e18 CR3: 00000001034da000 CR4: 00000000003506f0

 4329 08:37:17.199488  # [   55.342289] Call Trace:

 4330 08:37:17.202776  # [   55.345340]  ? __die_body.cold+0x1a/0x1f

 4331 08:37:17.209421  # [   55.350035]  ? no_context+0x177/0x380

 4332 08:37:17.212671  # [   55.354442]  ? exc_page_fault+0xd7/0x170

 4333 08:37:17.216038  # [   55.359141]  ? asm_exc_page_fault+0x1e/0x30

 4334 08:37:17.222567  # [   55.364135]  ? execute_location+0x48/0x56

 4335 08:37:17.225848  # [   55.368913]  ? lkdtm_EXEC_STACK+0x26/0x44

 4336 08:37:17.232744  # [   55.373707]  ? direct_entry.cold+0x2c/0x38

 4337 08:37:17.236093  # [   55.378595]  ? full_proxy_write+0x56/0x80

 4338 08:37:17.239076  # [   55.383388]  ? vfs_write+0xea/0x3b0

 4339 08:37:17.245979  # [   55.387592]  ? ksys_write+0x68/0xf0

 4340 08:37:17.249110  # [   55.391799]  ? do_syscall_64+0x33/0x40

 4341 08:37:17.255617  # [   55.396291]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4342 08:37:17.295384  # [   55.402454] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4343 08:37:17.298846  # [   55.448863] CR2: ffffa900c2077e18

 4344 08:37:17.305173  # [   55.452867] ---[ end trace f420f41c7bc8cec4 ]---

 4345 08:37:17.308541  # [   55.458341] RIP: 0010:lkdtm_BUG+0x5/0x10

 4346 08:37:17.331664  # [   55.463031] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 4347 08:37:17.335164  # [   55.484363] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 4348 08:37:17.344980  # [   55.490519] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 4349 08:37:17.351340  # [   55.505047] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 4350 08:37:17.361342  # [   55.513325] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 4351 08:37:17.367889  <6>[   56.731386] lkdtm: Performing direct entry EXEC_VMALLOC

 4352 08:37:17.374837  <6>[   56.740512] lkdtm: attempting ok execution at ffffffff8977c5f0

 4353 08:37:17.374963  

 4354 08:37:17.387832  # [   55.521616] R10: 00000000ffffe000 R11: 3fffffffffffffff R1<6>[   56.747388] lkdtm: attempting bad execution at ffffa900c01d7000

 4355 08:37:17.387984  2: 0000000000000004

 4356 08:37:17.401123  # [   55.529907] R13: ffffa900c122ff10 R14:<2>[   56.760553] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4357 08:37:17.411064  <1>[   56.775472] BUG: unable to handle page fault for address: ffffa900c01d7000

 4358 08:37:17.417840  <1>[   56.783478] #PF: supervisor instruction fetch in kernel mode

 4359 08:37:17.424451  <1>[   56.790116] #PF: error_code(0x0011) - permissions violation

 4360 08:37:17.430883  <6>[   56.796661] PGD 100000067 P4D 100000067 PUD 100245067 PMD 100248067 PTE 80000001063cd063

 4361 08:37:17.437492  <4>[   56.806048] Oops: 0011 [#8] SMP PTI

 4362 08:37:17.440825   ffffa900c122ff10 R15: ffff9981c3436000

 4363 08:37:17.450919  # [   55.538206] FS:  0<4>[   56.810251] CPU: 2 PID: 1681 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4364 08:37:17.457293  <4>[   56.825456] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4365 08:37:17.464319  <4>[   56.832391] RIP: 0010:0xffffa900c01d7000

 4366 08:37:17.470650  <4>[   56.837091] Code: Unable to access opcode bytes at RIP 0xffffa900c01d6fd6.

 4367 08:37:17.477456  <4>[   56.845093] RSP: 0018:ffffa900c2187e38 EFLAGS: 00010246

 4368 08:37:17.487210  <4>[   56.851246] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4369 08:37:17.494067  <4>[   56.859537] RDX: 0000000000000000 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50

 4370 08:37:17.504019  <4>[   56.867828] RBP: ffffa900c01d7000 R08: 0000000000000000 R09: 0000000000000000

 4371 08:37:17.510450  <4>[   56.876121] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4372 08:37:17.520220  <4>[   56.884419] R13: ffffa900c2187f10 R14: ffffa900c2187f10 R15: ffff9981c63cd000

 4373 08:37:17.526946  <4>[   56.892714] FS:  00007fa6d3fdd580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 4374 08:37:17.533422  <4>[   56.902084] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4375 08:37:17.543627  <4>[   56.908821] CR2: ffffa900c01d6fd6 CR3: 000000010376c000 CR4: 00000000003506e0

 4376 08:37:17.546824  <4>[   56.917113] Call Trace:

 4377 08:37:17.550155  <4>[   56.920161]  ? __die_body.cold+0x1a/0x1f

 4378 08:37:17.556806  <4>[   56.924856]  ? no_context+0x177/0x380

 4379 08:37:17.559802  <4>[   56.929262]  ? exc_page_fault+0xd7/0x170

 4380 08:37:17.566587  <4>[   56.933959]  ? asm_exc_page_fault+0x1e/0x30

 4381 08:37:17.569954  <4>[   56.938955]  ? execute_location+0x48/0x56

 4382 08:37:17.576463  <4>[   56.943749]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4383 08:37:17.579713  <4>[   56.948735]  ? direct_entry.cold+0x2c/0x38

 4384 08:37:17.586315  <4>[   56.953618]  ? full_proxy_write+0x56/0x80

 4385 08:37:17.589663  <4>[   56.958413]  ? vfs_write+0xea/0x3b0

 4386 08:37:17.592823  <4>[   56.962622]  ? ksys_write+0x68/0xf0

 4387 08:37:17.596201  <4>[   56.966828]  ? do_syscall_64+0x33/0x40

 4388 08:37:17.603133  <4>[   56.971328]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4389 08:37:17.649166  0007f139d523580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000<4>[   56.977490] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4390 08:37:17.655950  <4>[   57.023964] CR2: ffffa900c01d7000

 4391 08:37:17.659284  <4>[   57.027976] ---[ end trace f420f41c7bc8cec6 ]---

 4392 08:37:17.665736  <4>[   57.033451] RIP: 0010:lkdtm_BUG+0x5/0x10

 4393 08:37:17.665819  000000

 4394 08:37:17.692141  # [   55.547568] CS:  0010 DS: 0000 ES: 0000 CR0: 000000<4>[   57.038138] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 4395 08:37:17.698898  <4>[   57.065728] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 4396 08:37:17.705436  <4>[   57.071885] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 4397 08:37:17.715240  <4>[   57.080181] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 4398 08:37:17.721948  <4>[   57.088476] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 4399 08:37:17.731888  <4>[   57.096773] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4400 08:37:17.738513  <4>[   57.105071] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 4401 08:37:17.748283  <4>[   57.113370] FS:  00007fa6d3fdd580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 4402 08:37:17.754871  <4>[   57.122740] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4403 08:37:17.764886  <4>[   57.129479] CR2: ffffa900c01d6fd6 CR3: 000000010376c000 CR4: 00000000003506e0

 4404 08:37:17.764988  0080050033

 4405 08:37:17.774732  # [   55.554303] CR2: ffffa900c2077e18 CR3: 00000001034da000 CR4: 00000000003506f0

 4406 08:37:17.778073  # EXEC_STACK: saw 'call trace:': ok

 4407 08:37:17.781668  ok 31 selftests: lkdtm: EXEC_STACK.sh

 4408 08:37:17.784624  # selftests: lkdtm: EXEC_KMALLOC.sh

 4409 08:37:17.784744  # Killed

 4410 08:37:17.791511  # [   55.833294] lkdtm: Performing direct entry EXEC_KMALLOC

 4411 08:37:17.797975  # [   55.843312] lkdtm: attempting ok execution at ffffffff8977c5f0

 4412 08:37:17.804619  # [   55.850181] lkdtm: attempting bad execution at ffff9981c3376640

 4413 08:37:17.814726  # [   55.857159] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4414 08:37:17.821168  # [   55.872053] BUG: unable to handle page fault for address: ffff9981c3376640

 4415 08:37:17.828024  # [   55.880062] #PF: supervisor instruction fetch in kernel mode

 4416 08:37:17.834378  # [   55.892934] #PF: error_code(0x0011) - permissions violation

 4417 08:37:17.844652  # [   55.899481] PGD 14aa01067 P4D 14aa01067 PUD 10087d063 PMD 105b6e063 PTE 8000000103376063

 4418 08:37:17.847851  # [   55.908861] Oops: 0011 [#7] SMP PTI

 4419 08:37:17.857790  # [   55.913069] CPU: 2 PID: 1644 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4420 08:37:17.864424  # [   55.922049] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4421 08:37:17.867816  # [   55.928989] RIP: 0010:0xffff9981c3376640

 4422 08:37:17.890820  # [   55.933684] Code: ad de c0 96 6f c2 81 99 ff ff c0 61 37 c3 81 99 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb f2 cf 88 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

 4423 08:37:17.894169  # [   55.955044] RSP: 0018:ffffa900c212fe38 EFLAGS: 00010246

 4424 08:37:17.904021  # [   55.961203] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4425 08:37:17.910613  # [   55.969499] RDX: 0000000000000000 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50

 4426 08:37:17.920558  # [   55.977799] RBP: ffff9981c3376640 R08: 0000000000000000 R09: 0000000000000000

 4427 08:37:17.927340  # [   55.986097] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4428 08:37:17.937068  # [   55.994394] R13: ffffa900c212ff10 R14: ffffa900c212ff10 R15: ffff9981c30f5000

 4429 08:37:17.946924  # [   56.002695] FS:  00007f718aa2c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 4430 08:37:17.953750  # [   56.012068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4431 08:37:17.960158  # [   56.018803] CR2: ffff9981c3376640 CR3: 00000001030ea000 CR4: 00000000003506e0

 4432 08:37:17.963840  # [   56.027099] Call Trace:

 4433 08:37:17.967115  # [   56.030148]  ? __die_body.cold+0x1a/0x1f

 4434 08:37:17.973419  # [   56.034841]  ? no_context+0x177/0x380

 4435 08:37:17.976839  # [   56.039249]  ? exc_page_fault+0xd7/0x170

 4436 08:37:17.980426  # [   56.043946]  ? asm_exc_page_fault+0x1e/0x30

 4437 08:37:17.986615  # [   56.048933]  ? execute_location+0x48/0x56

 4438 08:37:17.990083  # [   56.053717]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 4439 08:37:17.996960  # [   56.058700]  ? direct_entry.cold+0x2c/0x38

 4440 08:37:17.999953  # [   56.063594]  ? full_proxy_write+0x56/0x80

 4441 08:37:18.003126  # [   56.068388]  ? vfs_write+0xea/0x3b0

 4442 08:37:18.009949  # [   56.072593]  ? ksys_write+0x68/0xf0

 4443 08:37:18.013331  # [   56.076796]  ? do_syscall_64+0x33/0x40

 4444 08:37:18.019950  # [   56.081290]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4445 08:37:18.056466  # [   56.087451] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid sn<6>[   57.422347] lkdtm: Performing direct entry EXEC_RODATA

 4446 08:37:18.062824  <6>[   57.430913] lkdtm: attempting ok execution at ffffffff8977c5f0

 4447 08:37:18.069408  <6>[   57.437784] lkdtm: attempting bad execution at ffffffff8ab944c0

 4448 08:37:18.079563  <2>[   57.444763] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4449 08:37:18.089371  <1>[   57.453451] BUG: unable to handle page fault for address: ffffffff8ab944c0

 4450 08:37:18.099521  d_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_ps<1>[   57.461455] #PF: supervisor instruction fetch in kernel mode

 4451 08:37:18.106019  <1>[   57.474321] #PF: error_code(0x0011) - permissions violation

 4452 08:37:18.115806  <6>[   57.480867] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 80000001488001e1 

 4453 08:37:18.119361  <4>[   57.488988] Oops: 0011 [#9] SMP PTI

 4454 08:37:18.129023  <4>[   57.493190] CPU: 0 PID: 1718 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4455 08:37:18.135964  <4>[   57.502165] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4456 08:37:18.142237  <4>[   57.509105] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4457 08:37:18.161952  <4>[   57.515161] Code: ff ff 7b 4c e4 89 ff ff ff ff 2a a5 01 8b ff ff ff ff c1 33 e4 89 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

 4458 08:37:18.168522  <4>[   57.536520] RSP: 0018:ffffa900c226fe48 EFLAGS: 00010246

 4459 08:37:18.178551  <4>[   57.542674] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4460 08:37:18.185288  <4>[   57.550971] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 4461 08:37:18.194790  <4>[   57.559269] RBP: ffffffff8ab944c0 R08: 0000000000000000 R09: 0000000000000000

 4462 08:37:18.201368  <4>[   57.567568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4463 08:37:18.211272  <4>[   57.575865] R13: ffffa900c226ff10 R14: ffffa900c226ff10 R15: ffff9981c26c7000

 4464 08:37:18.221429  <4>[   57.584165] FS:  00007fd7708cc580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 4465 08:37:18.227868  <4>[   57.593538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4466 08:37:18.234603  <4>[   57.600272] CR2: ffffffff8ab944c0 CR3: 0000000104878000 CR4: 00000000003506f0

 4467 08:37:18.238094  <4>[   57.608570] Call Trace:

 4468 08:37:18.241227  <4>[   57.611617]  ? __die_body.cold+0x1a/0x1f

 4469 08:37:18.247832  <4>[   57.616312]  ? no_context+0x177/0x380

 4470 08:37:18.251259  <4>[   57.620724]  ? exc_page_fault+0xd7/0x170

 4471 08:37:18.257454  <4>[   57.625421]  ? asm_exc_page_fault+0x1e/0x30

 4472 08:37:18.260948  <4>[   57.630422]  ? execute_location+0x48/0x56

 4473 08:37:18.267748  <4>[   57.635213]  ? direct_entry.cold+0x2c/0x38

 4474 08:37:18.270868  <4>[   57.640105]  ? full_proxy_write+0x56/0x80

 4475 08:37:18.274182  <4>[   57.644894]  ? vfs_write+0xea/0x3b0

 4476 08:37:18.281023  <4>[   57.649099]  ? ksys_write+0x68/0xf0

 4477 08:37:18.284520  <4>[   57.653302]  ? do_syscall_64+0x33/0x40

 4478 08:37:18.291011  <4>[   57.657791]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4479 08:37:18.291102  tore coreboot_table

 4480 08:37:18.297379  # [   56.133873] CR2: ffff9981c3376640

 4481 08:37:18.337060  # [<4>[   57.663954] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4482 08:37:18.340598  <4>[   57.710439] CR2: ffffffff8ab944c0

 4483 08:37:18.346941  <4>[   57.714453] ---[ end trace f420f41c7bc8cec7 ]---

 4484 08:37:18.350401  <4>[   57.719929] RIP: 0010:lkdtm_BUG+0x5/0x10

 4485 08:37:18.373409  <4>[   57.724622] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 4486 08:37:18.380500  <4>[   57.745984] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 4487 08:37:18.386579  <4>[   57.752140] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 4488 08:37:18.396535  <4>[   57.760437] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 4489 08:37:18.403003  <4>[   57.768730] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 4490 08:37:18.413286  <4>[   57.777024] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4491 08:37:18.419878  <4>[   57.785317] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 4492 08:37:18.429762  <4>[   57.793612] FS:  00007fd7708cc580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 4493 08:37:18.436238  <4>[   57.802976] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4494 08:37:18.443023  <4>[   57.809713] CR2: ffffffff8ab944c0 CR3: 0000000104878000 CR4: 00000000003506f0

 4495 08:37:18.456009  <3>[   57.818012] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4496 08:37:18.462634  <3>[   57.828260] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1718, name: cat

 4497 08:37:18.469007  <4>[   57.837043] INFO: lockdep is turned off.

 4498 08:37:18.472577  <4>[   57.841733] irq event stamp: 0

 4499 08:37:18.479025  <4>[   57.845454] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4500 08:37:18.488929  <4>[   57.852781] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 4501 08:37:18.498959  <4>[   57.862248] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 4502 08:37:18.505377  <4>[   57.871718] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4503 08:37:18.515385  <4>[   57.879043] CPU: 0 PID: 1718 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4504 08:37:18.522113  <4>[   57.888022] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4505 08:37:18.525449  <4>[   57.894952] Call Trace:

 4506 08:37:18.528538  <4>[   57.897987]  dump_stack+0x77/0x9b

 4507 08:37:18.532020  <4>[   57.902001]  ___might_sleep.cold+0xa6/0xb6

 4508 08:37:18.538591  <4>[   57.906891]  exit_signals+0x1c/0x300

 4509 08:37:18.542010  <4>[   57.911196]  do_exit+0xc2/0xab0

 4510 08:37:18.545360  <4>[   57.915004]  ? ksys_write+0x68/0xf0

 4511 08:37:18.548490  <4>[   57.919216]  make_task_dead+0x2f/0x30

 4512 08:37:18.555287  <4>[   57.923615]  rewind_stack_and_make_dead+0x17/0x20

 4513 08:37:18.558594  <4>[   57.929178] RIP: 0033:0x7fd7707e2473

 4514 08:37:18.581458  <4>[   57.933478] 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

 4515 08:37:18.588150  <4>[   57.954808] RSP: 002b:00007ffd5c61cbc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4516 08:37:18.598237  <4>[   57.963585] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fd7707e2473

 4517 08:37:18.604931  <4>[   57.971881] RDX: 000000000000000c RSI: 00007fd7706d6000 RDI: 0000000000000001

 4518 08:37:18.614568  <4>[   57.980177] RBP: 00007fd7706d6000 R08: 00007fd7706d5010 R09: 0000000000000000

 4519 08:37:18.624894  <4>[   57.988470] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4520 08:37:18.631310  <4>[   57.996770] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4521 08:37:18.637765     56.137884] ---[ end trace f420f41c7bc8cec5 ]---

 4522 08:37:18.641034  # [   56.143358] RIP: 0010:lkdtm_BUG+0x5/0x10

 4523 08:37:18.661442  # [   56.148056] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 4524 08:37:18.667991  # [   56.169409] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 4525 08:37:18.677779  # [   56.175563] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 4526 08:37:18.684304  # [   56.183858] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 4527 08:37:18.694107  # [   56.192146] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 4528 08:37:18.701011  # [   56.200442] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4529 08:37:18.710579  # [   56.208737] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 4530 08:37:18.717378  # [   56.217035] FS:  00007f718aa2c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 4531 08:37:18.724224  # [   56.226406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4532 08:37:18.733899  # [   56.233143] CR2: ffff9981c3376640 CR3: 00000001030ea000 CR4: 00000000003506e0

 4533 08:37:18.743918  # [   56.241439] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4534 08:37:18.753555  # [   56.251684] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1644, name: cat

 4535 08:37:18.757047  # [   56.260465] INFO: lockdep is turned off.

 4536 08:37:18.760188  # [   56.265154] irq event stamp: 0

 4537 08:37:18.766967  # [   56.268872] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4538 08:37:18.776864  # [   56.276198] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 4539 08:37:18.786732  # [   56.285670] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 4540 08:37:18.793292  # [   56.295137] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4541 08:37:18.803328  # [   56.302461] CPU: 2 PID: 1644 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4542 08:37:18.809900  # [   56.311442] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4543 08:37:18.813151  # [   56.318375] Call Trace:

 4544 08:37:18.816813  # [   56.321419]  dump_stack+0x77/0x9b

 4545 08:37:18.819969  # [   56.325433]  ___might_sleep.cold+0xa6/0xb6

 4546 08:37:18.826615  # [   56.330328]  exit_signals+0x1c/0x300

 4547 08:37:18.829995  # [   56.334632]  do_exit+0xc2/0xab0

 4548 08:37:18.833302  # [   56.338450]  ? ksys_write+0x68/0xf0

 4549 08:37:18.836372  # [   56.342660]  make_task_dead+0x2f/0x30

 4550 08:37:18.842956  # [   56.347062]  rewind_stack_and_make_dead+0x17/0x20

 4551 08:37:18.846411  # [   56.352632] RIP: 0033:0x7f718a942473

 4552 08:37:18.869417  # [   56.356934] 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

 4553 08:37:18.876050  # [   56.378288] RSP: 002b:00007ffd373bcfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4554 08:37:18.886113  # [   56.387079] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f718a942473

 4555 08:37:18.892437  # [   56.395377] RDX: 000000000000000d RSI: 00007f718a836000 RDI: 0000000000000001

 4556 08:37:18.902648  # [   56.403668] RBP: 00007f718a836000 R08: 00007f718a835010 R09: 0000000000000000

 4557 08:37:18.909361  # [   56.411960] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4558 08:37:18.919097  # [   56.420260] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4559 08:37:18.922645  # EXEC_KMALLOC: saw 'call trace:': ok

 4560 08:37:18.925678  ok 32 selftests: lkdtm: EXEC_KMALLOC.sh

 4561 08:37:18.928875  # selftests: lkdtm: EXEC_VMALLOC.sh

 4562 08:37:18.928973  # Killed

 4563 08:37:18.935787  # [   56.731386] lkdtm: Performing direct entry EXEC_VMALLOC

 4564 08:37:18.942237  # [   56.740512] lkdtm: attempting ok execution at ffffffff8977c5f0

 4565 08:37:18.948767  # [   56.747388] lkdtm: attempting bad execution at ffffa900c01d7000

 4566 08:37:18.958747  # [   56.760553] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4567 08:37:18.968647  # [   56.775472] BUG: unable to handle p<6>[   58.329825] lkdtm: Performing direct entry EXEC_USERSPACE

 4568 08:37:18.975373  <6>[   58.341993] lkdtm: attempting ok execution at ffffffff8977c5f0

 4569 08:37:18.978859  age fault for address: ffffa900c01d7000

 4570 08:37:18.988470  # [   56.783478] #PF: s<6>[   58.348911] lkdtm: attempting bad execution at 00007f1a9961a000

 4571 08:37:18.992013  upervisor instruction fetch in kernel mode

 4572 08:37:19.001921  # [   56.790116] #PF<2>[   58.362131] unable to execute userspace code (SMEP?) (uid: 0)

 4573 08:37:19.008508  <1>[   58.375069] BUG: unable to handle page fault for address: 00007f1a9961a000

 4574 08:37:19.014918  <1>[   58.383073] #PF: supervisor instruction fetch in kernel mode

 4575 08:37:19.021807  <1>[   58.389713] #PF: error_code(0x0011) - permissions violation

 4576 08:37:19.028381  : error_code(0x0011) - permissions violation

 4577 08:37:19.038175  # [   56.796661] P<6>[   58.396258] PGD 80000001026c8067 P4D 80000001026c8067 PUD 1061b2067 PMD 1052e7067 PTE 10de15067

 4578 08:37:19.045041  <4>[   58.412563] Oops: 0011 [#10] SMP PTI

 4579 08:37:19.057799  GD 100000067 P4D 100000067 PUD 100245067 PMD 100248067 PTE 80000<4>[   58.416870] CPU: 0 PID: 1755 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4580 08:37:19.064933  <4>[   58.432080] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4581 08:37:19.071160  <4>[   58.439021] RIP: 0010:0x7f1a9961a000

 4582 08:37:19.077851  <4>[   58.443324] Code: Unable to access opcode bytes at RIP 0x7f1a99619fd6.

 4583 08:37:19.084380  <4>[   58.450931] RSP: 0018:ffffa900c22f7e50 EFLAGS: 00010246

 4584 08:37:19.090976  <4>[   58.457079] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4585 08:37:19.101128  <4>[   58.465371] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 4586 08:37:19.107447  <4>[   58.473662] RBP: 00007f1a9961a000 R08: 0000000000000000 R09: 0000000000000000

 4587 08:37:19.117720  <4>[   58.481960] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 4588 08:37:19.124331  <4>[   58.490254] R13: ffffa900c22f7f10 R14: ffffa900c22f7f10 R15: ffff9981c62e0000

 4589 08:37:19.134089  <4>[   58.498551] FS:  00007f1a995eb580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 4590 08:37:19.140726  <4>[   58.507908] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4591 08:37:19.150686  <4>[   58.514639] CR2: 00007f1a9961a000 CR3: 00000001062e6000 CR4: 00000000003506f0

 4592 08:37:19.150783  <4>[   58.522923] Call Trace:

 4593 08:37:19.157206  <4>[   58.525971]  ? __die_body.cold+0x1a/0x1f

 4594 08:37:19.160608  <4>[   58.530669]  ? no_context+0x177/0x380

 4595 08:37:19.167017  <4>[   58.535073]  ? exc_page_fault+0x53/0x170

 4596 08:37:19.170317  <4>[   58.539770]  ? asm_exc_page_fault+0x1e/0x30

 4597 08:37:19.176970  <4>[   58.544766]  ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae

 4598 08:37:19.180469  <4>[   58.550438]  ? direct_entry.cold+0x2c/0x38

 4599 08:37:19.186839  <4>[   58.555333]  ? full_proxy_write+0x56/0x80

 4600 08:37:19.190347  <4>[   58.560127]  ? vfs_write+0xea/0x3b0

 4601 08:37:19.193414  <4>[   58.564328]  ? ksys_write+0x68/0xf0

 4602 08:37:19.200269  <4>[   58.568520]  ? do_syscall_64+0x33/0x40

 4603 08:37:19.206692  <4>[   58.573020]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4604 08:37:19.206813  001063cd063

 4605 08:37:19.210303  # [   56.806048] Oops: 0011 [#8] SMP PTI

 4606 08:37:19.253114  # [   56.<4>[   58.579183] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4607 08:37:19.256383  <4>[   58.625650] CR2: 00007f1a9961a000

 4608 08:37:19.263241  <4>[   58.629664] ---[ end trace f420f41c7bc8cec8 ]---

 4609 08:37:19.266541  <4>[   58.635134] RIP: 0010:lkdtm_BUG+0x5/0x10

 4610 08:37:19.286218  <4>[   58.639827] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 4611 08:37:19.292995  <4>[   58.661174] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 4612 08:37:19.302949  <4>[   58.667326] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 4613 08:37:19.309625  <4>[   58.675615] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 4614 08:37:19.319540  <4>[   58.683914] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 4615 08:37:19.325887  <4>[   58.692211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4616 08:37:19.335975  <4>[   58.700508] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 4617 08:37:19.345836  <4>[   58.708809] FS:  00007f1a995eb580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 4618 08:37:19.352557  <4>[   58.718179] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4619 08:37:19.359271  <4>[   58.724917] CR2: 00007f1a9961a000 CR3: 00000001062e6000 CR4: 00000000003506f0

 4620 08:37:19.368938  810251] CPU: 2 PID: 1681 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4621 08:37:19.375830  # [   56.825456] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4622 08:37:19.378765  # [   56.832391] RIP: 0010:0xffffa900c01d7000

 4623 08:37:19.385519  # [   56.837091] Code: Unable to access opcode bytes at RIP 0xffffa900c01d6fd6.

 4624 08:37:19.392198  # [   56.845093] RSP: 0018:ffffa900c2187e38 EFLAGS: 00010246

 4625 08:37:19.402026  # [   56.851246] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4626 08:37:19.408589  # [   56.859537] RDX: 0000000000000000 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50

 4627 08:37:19.418953  # [   56.867828] RBP: ffffa900c01d7000 R08: 0000000000000000 R09: 0000000000000000

 4628 08:37:19.425350  # [   56.876121] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4629 08:37:19.435316  # [   56.884419] R13: ffffa900c2187f10 R14: ffffa900c2187f10 R15: ffff9981c63cd000

 4630 08:37:19.441901  # [   56.892714] FS:  00007fa6d3fdd580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 4631 08:37:19.448455  # [   56.902084] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4632 08:37:19.458206  # [   56.908821] CR2: ffffa900c01d6fd6 CR3: 000000010376c000 CR4: 00000000003506e0

 4633 08:37:19.462164  # [   56.917113] Call Trace:

 4634 08:37:19.464823  # [   56.920161]  ? __die_body.cold+0x1a/0x1f

 4635 08:37:19.468167  # [   56.924856]  ? no_context+0x177/0x380

 4636 08:37:19.475083  # [   56.929262]  ? exc_page_fault+0xd7/0x170

 4637 08:37:19.478157  # [   56.933959]  ? asm_exc_page_fault+0x1e/0x30

 4638 08:37:19.484905  # [   56.938955]  ? execute_location+0x48/0x56

 4639 08:37:19.488463  # [   56.943749]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4640 08:37:19.494905  # [   56.948735]  ? direct_entry.cold+0x2c/0x38

 4641 08:37:19.498152  # [   56.953618]  ? full_proxy_write+0x56/0x80

 4642 08:37:19.501265  # [   56.958413]  ? vfs_write+0xea/0x3b0

 4643 08:37:19.508045  # [   56.962622]  ? ksys_write+0x68/0xf0

 4644 08:37:19.511247  # [   56.966828]  ? do_syscall_64+0x33/0x40

 4645 08:37:19.518041  # [   56.971328]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4646 08:37:19.557983  # [   56.977490] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4647 08:37:19.561019  # [   57.023964] CR2: ffffa900c01d7000

 4648 08:37:19.567695  # [   57.027976] ---[ end trace f420f41c7bc8cec6 ]---

 4649 08:37:19.571103  # [   57.033451] RIP: 0010:lkdtm_BUG+0x5/0x10

 4650 08:37:19.590782  # [   57.038138] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 4651 08:37:19.597622  # [   57.065728] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 4652 08:37:19.607391  # [   57.071885] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 4653 08:37:19.614199  # [   57.080181] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 4654 08:37:19.623875  # [   57.088476] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 4655 08:37:19.630567  # [   57.096773] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4656 08:37:19.640393  # [   57.105071] R13: ffffa900c122<6>[   59.006712] lkdtm: Performing direct entry EXEC_NULL

 4657 08:37:19.647260  <6>[   59.013681] lkdtm: attempting ok execution at ffffffff8977c5f0

 4658 08:37:19.653936  <6>[   59.020536] lkdtm: attempting bad execution at 0000000000000000

 4659 08:37:19.657243  ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 4660 08:37:19.667194  # [   57.11337<1>[   59.027512] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4661 08:37:19.673485  <1>[   59.041842] #PF: supervisor instruction fetch in kernel mode

 4662 08:37:19.680037  <1>[   59.048487] #PF: error_code(0x0010) - not-present page

 4663 08:37:19.683238  <6>[   59.054545] PGD 0 P4D 0 

 4664 08:37:19.686691  <4>[   59.057689] Oops: 0010 [#11] SMP PTI

 4665 08:37:19.696831  <4>[   59.061986] CPU: 1 PID: 1793 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4666 08:37:19.703209  <4>[   59.070968] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4667 08:37:19.706610  <4>[   59.077904] RIP: 0010:0x0

 4668 08:37:19.716361  <4>[   59.081139] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 4669 08:37:19.723096  <4>[   59.089143] RSP: 0018:ffffa900c239fe48 EFLAGS: 00010246

 4670 08:37:19.729514  <4>[   59.095295] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4671 08:37:19.739441  <4>[   59.103593] RDX: 0000000000000000 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50

 4672 08:37:19.746072  <4>[   59.111891] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4673 08:37:19.755984  <4>[   59.120185] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4674 08:37:19.762852  <4>[   59.128479] R13: ffffa900c239ff10 R14: ffffa900c239ff10 R15: ffff9981c612d000

 4675 08:37:19.772747  <4>[   59.136779] FS:  00007fac3cb3c580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 4676 08:37:19.779478  <4>[   59.146152] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4677 08:37:19.785849  <4>[   59.152889] CR2: ffffffffffffffd6 CR3: 0000000105994000 CR4: 00000000003506e0

 4678 08:37:19.789115  <4>[   59.161185] Call Trace:

 4679 08:37:19.796055  <4>[   59.164235]  ? __die_body.cold+0x1a/0x1f

 4680 08:37:19.799017  <4>[   59.168934]  ? no_context+0x177/0x380

 4681 08:37:19.809106  0] FS:  00007fa6d3fdd580(0000) GS:ffff99823bd00000(0000) knlGS:0<4>[   59.173343]  ? exc_page_fault+0x53/0x170

 4682 08:37:19.815740  <4>[   59.184283]  ? asm_exc_page_fault+0x1e/0x30

 4683 08:37:19.818860  <4>[   59.189280]  execute_location+0x48/0x56

 4684 08:37:19.825392  <4>[   59.193879]  direct_entry.cold+0x2c/0x38

 4685 08:37:19.828933  <4>[   59.198578]  full_proxy_write+0x56/0x80

 4686 08:37:19.832008  <4>[   59.203176]  vfs_write+0xea/0x3b0

 4687 08:37:19.838843  <4>[   59.207190]  ksys_write+0x68/0xf0

 4688 08:37:19.841993  <4>[   59.211203]  do_syscall_64+0x33/0x40

 4689 08:37:19.848777  <4>[   59.215508]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4690 08:37:19.851897  <4>[   59.221469] RIP: 0033:0x7fac3ca52473

 4691 08:37:19.874900  <4>[   59.225776] 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 08:37:19.881373  <4>[   59.247137] RSP: 002b:00007ffd9e8ca6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4693 08:37:19.891523  <4>[   59.255925] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fac3ca52473

 4694 08:37:19.898172  <4>[   59.264223] RDX: 000000000000000a RSI: 00007fac3c946000 RDI: 0000000000000001

 4695 08:37:19.908077  <4>[   59.272518] RBP: 00007fac3c946000 R08: 00007fac3c945010 R09: 0000000000000000

 4696 08:37:19.914473  <4>[   59.280818] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4697 08:37:19.924178  <4>[   59.289116] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4698 08:37:19.924281  000000000000000

 4699 08:37:19.970746  # [   57.122740] CS:  0010 DS: 0000 ES: 0000 CR<4>[   59.297425] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4700 08:37:19.973954  <4>[   59.343861] CR2: 0000000000000000

 4701 08:37:19.980399  <4>[   59.347867] ---[ end trace f420f41c7bc8cec9 ]---

 4702 08:37:19.983690  <4>[   59.353345] RIP: 0010:lkdtm_BUG+0x5/0x10

 4703 08:37:20.007031  <4>[   59.358037] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 4704 08:37:20.010538  <4>[   59.379389] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 4705 08:37:20.020260  <4>[   59.385542] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 4706 08:37:20.026906  <4>[   59.393835] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 4707 08:37:20.036936  <4>[   59.402128] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 4708 08:37:20.043424  <4>[   59.410424] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4709 08:37:20.053236  <4>[   59.418722] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 4710 08:37:20.063333  <4>[   59.427019] FS:  00007fac3cb3c580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 4711 08:37:20.069956  <4>[   59.436391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4712 08:37:20.076427  <4>[   59.443126] CR2: ffffffffffffffd6 CR3: 0000000105994000 CR4: 00000000003506e0

 4713 08:37:20.086574  <3>[   59.451428] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4714 08:37:20.096577  <3>[   59.461676] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1793, name: cat

 4715 08:37:20.103057  <4>[   59.470460] INFO: lockdep is turned off.

 4716 08:37:20.106334  <4>[   59.475150] irq event stamp: 0

 4717 08:37:20.112840  <4>[   59.478869] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4718 08:37:20.122816  <4>[   59.486196] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 4719 08:37:20.132856  <4>[   59.495665] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 4720 08:37:20.139353  <4>[   59.505135] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4721 08:37:20.149491  <4>[   59.512463] CPU: 1 PID: 1793 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4722 08:37:20.155860  <4>[   59.521444] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4723 08:37:20.159400  <4>[   59.528376] Call Trace:

 4724 08:37:20.162596  <4>[   59.531420]  dump_stack+0x77/0x9b

 4725 08:37:20.165850  <4>[   59.535434]  ___might_sleep.cold+0xa6/0xb6

 4726 08:37:20.172444  <4>[   59.540328]  exit_signals+0x1c/0x300

 4727 08:37:20.175661  <4>[   59.544632]  do_exit+0xc2/0xab0

 4728 08:37:20.178996  <4>[   59.548452]  ? ksys_write+0x68/0xf0

 4729 08:37:20.182245  <4>[   59.552659]  make_task_dead+0x2f/0x30

 4730 08:37:20.189027  <4>[   59.557050]  rewind_stack_and_make_dead+0x17/0x20

 4731 08:37:20.192518  <4>[   59.562616] RIP: 0033:0x7fac3ca52473

 4732 08:37:20.215448  <4>[   59.566916] 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

 4733 08:37:20.222006  <4>[   59.588265] RSP: 002b:00007ffd9e8ca6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4734 08:37:20.232123  <4>[   59.597056] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fac3ca52473

 4735 08:37:20.238862  <4>[   59.605355] RDX: 000000000000000a RSI: 00007fac3c946000 RDI: 0000000000000001

 4736 08:37:20.248891  <4>[   59.613653] RBP: 00007fac3c946000 R08: 00007fac3c945010 R09: 0000000000000000

 4737 08:37:20.255345  <4>[   59.621949] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4738 08:37:20.265228  <4>[   59.630239] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4739 08:37:20.268389  0: 0000000080050033

 4740 08:37:20.275265  # [   57.129479] CR2: ffffa900c01d6fd6 CR3: 000000010376c000 CR4: 00000000003506e0

 4741 08:37:20.278362  # EXEC_VMALLOC: saw 'call trace:': ok

 4742 08:37:20.281693  ok 33 selftests: lkdtm: EXEC_VMALLOC.sh

 4743 08:37:20.285161  # selftests: lkdtm: EXEC_RODATA.sh

 4744 08:37:20.288554  # Killed

 4745 08:37:20.291995  # [   57.422347] lkdtm: Performing direct entry EXEC_RODATA

 4746 08:37:20.301771  # [   57.430913] lkdtm: attempting ok execution at ffffffff8977c5f0

 4747 08:37:20.308487  # [   57.437784] lkdtm: attempting bad execution at ffffffff8ab944c0

 4748 08:37:20.314885  # [   57.444763] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4749 08:37:20.324892  # [   57.453451] BUG: unable to handle page fault for address: ffffffff8ab944c0

 4750 08:37:20.331520  # [   57.461455] #PF: supervisor instruction fetch in kernel mode

 4751 08:37:20.334754  # [   57.474321] #PF: error_code(0x0011) - permissions violation

 4752 08:37:20.344794  # [   57.480867] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 80000001488001e1 

 4753 08:37:20.348201  # [   57.488988] Oops: 0011 [#9] SMP PTI

 4754 08:37:20.357969  # [   57.493190] CPU: 0 PID: 1718 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4755 08:37:20.364571  # [   57.502165] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4756 08:37:20.371340  # [   57.509105] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4757 08:37:20.391001  # [   57.515161] Code: ff ff 7b 4c e4 89 ff ff ff ff 2a a5 01 8b ff ff ff ff c1 33 e4 89 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

 4758 08:37:20.397827  # [   57.536520] RSP: 0018:ffffa900c226fe48 EFLAGS: 00010246

 4759 08:37:20.404806  # [   57.542674] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4760 08:37:20.414471  # [   57.550971] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 4761 08:37:20.421019  # [   57.559269] RBP: ffffffff8ab944c0 R08: 0000000000000000 R09: 0000000000000000

 4762 08:37:20.430786  # [   57.567568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4763 08:37:20.437558  # [   57.575865] R13: ffffa900c226ff10 R14: ffffa900c226ff10 R15: ffff9981c26c7000

 4764 08:37:20.447460  # [   57.584165] FS:  00007fd7708cc580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 4765 08:37:20.453951  # [   57.593538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4766 08:37:20.460751  # [   57.600272] CR2: ffffffff8ab944c0 CR3: 0000000104878000 CR4: 00000000003506f0

 4767 08:37:20.464130  # [   57.608570] Call Trace:

 4768 08:37:20.470718  # [   57.611617]  ? __die_body.cold+0x1a/0x1f

 4769 08:37:20.473824  # [   57.616312]  ? no_context+0x177/0x380

 4770 08:37:20.477273  # [   57.620724]  ? exc_page_fault+0xd7/0x170

 4771 08:37:20.484180  # [   57.625421]  ? asm_exc_page_fault+0x1e/0x30

 4772 08:37:20.487256  # [   57.630422]  ? execute_location+0x48/0x56

 4773 08:37:20.493823  # [   57.635213]  ? direct_entry.cold+0x2c/0x38

 4774 08:37:20.497263  # [   57.640105]  ? full_proxy_write+0x56/0x80

 4775 08:37:20.500568  # [   57.644894]  ? vfs_write+0xea/0x3b0

 4776 08:37:20.507345  # [   57.649099]  ? ksys_write+0x68/0xf0

 4777 08:37:20.510371  # [   57.653302]  ? do_syscall_64+0x33/0x40

 4778 08:37:20.517064  # [   57.657791]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4779 08:37:20.556650  # [   57.663954] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4780 08:37:20.560116  # [   57.710439] CR2: ffffffff8ab944c0

 4781 08:37:20.566708  # [   57.714453] ---[ end trace f420f41c7bc8cec7 ]---

 4782 08:37:20.569813  # [   57.719929] RIP: 0010:lkdtm_BUG+0x5/0x10

 4783 08:37:20.589813  # [   57.724622] Code: 89 ff e8 5e d2 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 <6>[   59.952766] lkdtm: Performing direct entry ACCESS_USERSPACE

 4784 08:37:20.603178  c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00<6>[   59.963231] lkdtm: attempting bad read at 00007fd5147a2000

 4785 08:37:20.603324   00 83 05 d0 9a 2a 03

 4786 08:37:20.616196  # [   57.745984] RSP: 0018:ffffa900c122fe<1>[   59.975942] BUG: unable to handle page fault for address: 00007fd5147a2000

 4787 08:37:20.623074  <1>[   59.990138] #PF: supervisor read access in kernel mode

 4788 08:37:20.629529  <1>[   59.996197] #PF: error_code(0x0001) - permissions violation

 4789 08:37:20.639664  <6>[   60.002740] PGD 80000001034bc067 P4D 80000001034bc067 PUD 1065f9067 PMD 1027fe067 PTE 10a07e067

 4790 08:37:20.642806  <4>[   60.012801] Oops: 0001 [#12] SMP PTI

 4791 08:37:20.652440  <4>[   60.017101] CPU: 3 PID: 1829 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4792 08:37:20.659224  <4>[   60.026080] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4793 08:37:20.665709  <4>[   60.033024] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4794 08:37:20.685823  <4>[   60.039569] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 48 b2 01 8b e8 78 d7 fb ff 48 c7 c7 70 b2 01 8b b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5f d7 fb ff 48 89 ee 48 c7 c7 98 b2 01

 4795 08:37:20.692327  <4>[   60.060887] RSP: 0018:ffffa900c2417e48 EFLAGS: 00010246

 4796 08:37:20.702052  <4>[   60.067027] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000

 4797 08:37:20.708818  <4>[   60.075308] RDX: 0000000000000000 RSI: ffff99823bd9bf50 RDI: ffffffff8b01b270

 4798 08:37:20.718833  <4>[   60.083599] RBP: 00007fd5147a2000 R08: 0000000000000000 R09: 0000000000000000

 4799 08:37:20.725322  <4>[   60.091880] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011

 4800 08:37:20.735306  <4>[   60.100159] R13: ffffa900c2417f10 R14: ffffa900c2417f10 R15: ffff9981c31e7000

 4801 08:37:20.745144  <4>[   60.108445] FS:  00007fd514773580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 4802 08:37:20.751650  <4>[   60.117800] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4803 08:37:20.758572  <4>[   60.124531] CR2: 00007fd5147a2000 CR3: 0000000103002000 CR4: 00000000003506e0

 4804 08:37:20.762045  <4>[   60.132822] Call Trace:

 4805 08:37:20.768489  <4>[   60.135867]  ? __die_body.cold+0x1a/0x1f

 4806 08:37:20.771531  <4>[   60.140561]  ? no_context+0x177/0x380

 4807 08:37:20.774855  <4>[   60.144958]  ? exc_page_fault+0x53/0x170

 4808 08:37:20.781360  <4>[   60.149641]  ? asm_exc_page_fault+0x1e/0x30

 4809 08:37:20.788141  <4>[   60.154632]  ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4810 08:37:20.791336  <4>[   60.160497]  ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3

 4811 08:37:20.798132  <4>[   60.166363]  direct_entry.cold+0x2c/0x38

 4812 08:37:20.801349  <4>[   60.171062]  full_proxy_write+0x56/0x80

 4813 08:37:20.804675  <4>[   60.175662]  vfs_write+0xea/0x3b0

 4814 08:37:20.811295  <4>[   60.179675]  ksys_write+0x68/0xf0

 4815 08:37:20.814680  <4>[   60.183690]  do_syscall_64+0x33/0x40

 4816 08:37:20.821009  <4>[   60.187993]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4817 08:37:20.824370  <4>[   60.193955] RIP: 0033:0x7fd514689473

 4818 08:37:20.844272  <4>[   60.198259] 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

 4819 08:37:20.854376  <4>[   60.219611] RSP: 002b:00007ffe31506668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4820 08:37:20.864299  <4>[   60.228388] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fd514689473

 4821 08:37:20.870833  <4>[   60.236673] RDX: 0000000000000011 RSI: 00007fd51457d000 RDI: 0000000000000001

 4822 08:37:20.880769  <4>[   60.244968] RBP: 00007fd51457d000 R08: 00007fd51457c010 R09: 0000000000000000

 4823 08:37:20.887354  <4>[   60.253256] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4824 08:37:20.897270  <4>[   60.261530] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4825 08:37:20.936991  <4>[   60.269821] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4826 08:37:20.940599  <4>[   60.310055] CR2: 00007fd5147a2000

 4827 08:37:20.946958  <4>[   60.314066] ---[ end trace f420f41c7bc8ceca ]---

 4828 08:37:20.950255  <4>[   60.319535] RIP: 0010:lkdtm_BUG+0x5/0x10

 4829 08:37:20.973111  <4>[   60.324222] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 4830 08:37:20.976470  <4>[   60.345580] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 4831 08:37:20.986459  <4>[   60.351735] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 4832 08:37:20.993016  <4>[   60.360031] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 4833 08:37:21.003146  <4>[   60.368331] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 4834 08:37:21.009645  <4>[   60.376628] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4835 08:37:21.019634  <4>[   60.384926] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 4836 08:37:21.029682  <4>[   60.393219] FS:  00007fd514773580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 4837 08:37:21.036458  <4>[   60.402587] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4838 08:37:21.042805  <4>[   60.409324] CR2: 00007fd5147a2000 CR3: 0000000103002000 CR4: 00000000003506e0

 4839 08:37:21.046234  60 EFLAGS: 00010282

 4840 08:37:21.052563  # [   57.752140] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 4841 08:37:21.062786  # [   57.760437] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 4842 08:37:21.069196  # [   57.768730] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 4843 08:37:21.079289  # [   57.777024] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4844 08:37:21.085713  # [   57.785317] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 4845 08:37:21.095815  # [   57.793612] FS:  00007fd7708cc580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 4846 08:37:21.102293  # [   57.802976] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4847 08:37:21.112086  # [   57.809713] CR2: ffffffff8ab944c0 CR3: 0000000104878000 CR4: 00000000003506f0

 4848 08:37:21.122102  # [   57.818012] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4849 08:37:21.128966  # [   57.828260] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1718, name: cat

 4850 08:37:21.135401  # [   57.837043] INFO: lockdep is turned off.

 4851 08:37:21.138909  # [   57.841733] irq event stamp: 0

 4852 08:37:21.145592  # [   57.845454] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4853 08:37:21.155326  # [   57.852781] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 4854 08:37:21.165417  # [   57.862248] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 4855 08:37:21.172006  # [   57.871718] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4856 08:37:21.178770  # [   57.879043] CPU: 0 PID: 1718 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4857 08:37:21.185227  # [   57.888022] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4858 08:37:21.188815  # [   57.894952] Call Trace:

 4859 08:37:21.195004  # [   57.897987]  dump_stack+0x77/0x9b

 4860 08:37:21.198386  # [   57.902001]  ___might_sleep.cold+0xa6/0xb6

 4861 08:37:21.201501  # [   57.906891]  exit_signals+0x1c/0x300

 4862 08:37:21.205117  # [   57.911196]  do_exit+0xc2/0xab0

 4863 08:37:21.211542  # [   57.915004]  ? ksys_write+0x68/0xf0

 4864 08:37:21.214875  # [   57.919216]  make_task_dead+0x2f/0x30

 4865 08:37:21.221568  # [   57.923615]  rewind_stack_and_make_dead+0x17/0x20

 4866 08:37:21.224862  # [   57.929178] RIP: 0033:0x7fd7707e2473

 4867 08:37:21.244849  # [   57.933478] 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

 4868 08:37:21.254635  # [   57.954808] RSP: 002b:00007ffd5c61cbc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4869 08:37:21.261145  # [   57.963585] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fd7707e2473

 4870 08:37:21.271133  # [   57.971881] RDX: 000000000000000c RSI: 00007fd7706d6000 RDI: 0000000000000001

 4871 08:37:21.277731  # [   57.980177] RBP: 00007fd7706d6000 R08: 00007fd7706d5010 R09: 0000000000000000

 4872 08:37:21.287599  # [   57.988470] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4873 08:37:21.294344  # [   57.996770] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4874 08:37:21.297403  # EXEC_RODATA: saw 'call trace:': ok

 4875 08:37:21.304261  ok 34 selftests: lkdtm: EXEC_RODATA.sh

 4876 08:37:21.307701  # selftests: lkdtm: EXEC_USERSPACE.sh

 4877 08:37:21.307803  # Killed

 4878 08:37:21.314135  # [   58.329825] lkdtm: Performing direct entry EXEC_USERSPACE

 4879 08:37:21.320857  # [   58.341993] lkdtm: attempting ok execution at ffffffff8977c5f0

 4880 08:37:21.327869  # [   58.348911] lkdtm: attempting bad execution at 00007f1a9961a000

 4881 08:37:21.334145  # [   58.362131] unable to execute userspace code (SMEP?) (uid: 0)

 4882 08:37:21.340784  # [   58.375069] BUG: unable to handle page fault for address: 00007f1a9961a000

 4883 08:37:21.347232  # [   58.383073] #PF: supervisor instruction fetch in kernel mode

 4884 08:37:21.353947  # [   58.389713] #PF: error_code(0x0011) - permissions violation

 4885 08:37:21.363885  # [   58.396258] PGD 80000001026c8067 P4D 80000001026c8067 PUD 1061b2067 PMD 1052e7067 PTE 10de15067

 4886 08:37:21.370305  # [   58.412563] Oops: 0011 [#10] SMP PTI

 4887 08:37:21.376985  # [   58.416870] CPU: 0 PID: 1755 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4888 08:37:21.383893  # [   58.432080] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4889 08:37:21.390302  # [   58.439021] RIP: 0010:0x7f1a9961a000

 4890 08:37:21.396738  # [   58.443324] Code: Unable to access opcode bytes at RIP 0x7f1a99619fd6.

 4891 08:37:21.403560  # [   58.450931] RSP: 0018:ffffa900c22f7e50 EFLAGS: 00010246

 4892 08:37:21.410229  # [   58.457079] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4893 08:37:21.420101  # [   58.465371] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 4894 08:37:21.426727  # [   58.473662] RBP: 00007f1a9961a000 R08: 0000000000000000 R09: 0000000000000000

 4895 08:37:21.436459  # [   58.481960] R10: 00000000ffffe000<6>[   60.804176] lkdtm: Performing direct entry ACCESS_NULL

 4896 08:37:21.439923   R11: 3fffffffffffffff R12: 000000000000000f

 4897 08:37:21.449785  # [   58.490254] R<6>[   60.810509] lkdtm: attempting bad read at 0000000000000000

 4898 08:37:21.463350  13: ffffa900c22f7f10 R14: ffffa900c22f7f10 R15: ffff9981c62e0000<1>[   60.823213] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4899 08:37:21.469958  <1>[   60.837521] #PF: supervisor read access in kernel mode

 4900 08:37:21.476270  <1>[   60.843574] #PF: error_code(0x0000) - not-present page

 4901 08:37:21.479703  <6>[   60.849625] PGD 0 P4D 0 

 4902 08:37:21.483031  <4>[   60.852766] Oops: 0000 [#13] SMP PTI

 4903 08:37:21.492663  <4>[   60.857071] CPU: 3 PID: 1865 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4904 08:37:21.499260  <4>[   60.866046] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4905 08:37:21.505923  <4>[   60.872989] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 4906 08:37:21.525613  <4>[   60.878561] Code: 1c d7 fb ff be 00 10 00 00 48 89 ef e8 ca 2d 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 48 b2 01 8b e8 f6 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 70 b2 01 8b 48 01

 4907 08:37:21.532200  <4>[   60.899924] RSP: 0018:ffffa900c24b7e58 EFLAGS: 00010246

 4908 08:37:21.542059  <4>[   60.906081] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 4909 08:37:21.548683  <4>[   60.914378] RDX: 0000000000000000 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50

 4910 08:37:21.558570  <4>[   60.922676] RBP: ffffffff8b01a339 R08: 0000000000000000 R09: 0000000000000000

 4911 08:37:21.565233  <4>[   60.930962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4912 08:37:21.575252  <4>[   60.939254] R13: ffffa900c24b7f10 R14: ffffa900c24b7f10 R15: ffff9981c60b4000

 4913 08:37:21.581842  <4>[   60.947553] FS:  00007fdda9464580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 4914 08:37:21.591686  <4>[   60.956923] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4915 08:37:21.598160  <4>[   60.963662] CR2: 0000000000000000 CR3: 00000001031fc000 CR4: 00000000003506e0

 4916 08:37:21.601424  <4>[   60.971955] Call Trace:

 4917 08:37:21.604762  <4>[   60.975003]  ? __die_body.cold+0x1a/0x1f

 4918 08:37:21.611364  <4>[   60.979702]  ? no_context+0x177/0x380

 4919 08:37:21.614927  <4>[   60.984108]  ? exc_page_fault+0x53/0x170

 4920 08:37:21.621359  <4>[   60.988806]  ? asm_exc_page_fault+0x1e/0x30

 4921 08:37:21.624495  <4>[   60.993795]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4922 08:37:21.631038  <4>[   60.998685]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4923 08:37:21.634568  <4>[   61.003576]  direct_entry.cold+0x2c/0x38

 4924 08:37:21.638078  <4>[   61.008274]  full_proxy_write+0x56/0x80

 4925 08:37:21.644480  <4>[   61.012872]  vfs_write+0xea/0x3b0

 4926 08:37:21.647517  <4>[   61.016886]  ksys_write+0x68/0xf0

 4927 08:37:21.650947  <4>[   61.020895]  do_syscall_64+0x33/0x40

 4928 08:37:21.657427  <4>[   61.025192]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4929 08:37:21.661054  <4>[   61.031153] RIP: 0033:0x7fdda937a473

 4930 08:37:21.683874  <4>[   61.035456] 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

 4931 08:37:21.690519  <4>[   61.056815] RSP: 002b:00007fff60453908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4932 08:37:21.700626  <4>[   61.065604] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fdda937a473

 4933 08:37:21.707107  <4>[   61.073897] RDX: 000000000000000c RSI: 00007fdda926e000 RDI: 0000000000000001

 4934 08:37:21.717173  <4>[   61.082196] RBP: 00007fdda926e000 R08: 00007fdda926d010 R09: 0000000000000000

 4935 08:37:21.723578  <4>[   61.090490] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4936 08:37:21.733783  <4>[   61.098790] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4937 08:37:21.773346  <4>[   61.107098] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4938 08:37:21.776405  <4>[   61.147354] CR2: 0000000000000000

 4939 08:37:21.783115  <4>[   61.151367] ---[ end trace f420f41c7bc8cecb ]---

 4940 08:37:21.786612  <4>[   61.156843] RIP: 0010:lkdtm_BUG+0x5/0x10

 4941 08:37:21.809693  <4>[   61.161527] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 4942 08:37:21.816239  <4>[   61.182883] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 4943 08:37:21.822922  <4>[   61.189036] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 4944 08:37:21.832869  <4>[   61.197326] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 4945 08:37:21.839336  <4>[   61.205620] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 4946 08:37:21.849232  <4>[   61.213919] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4947 08:37:21.856166  <4>[   61.222207] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 4948 08:37:21.865795  <4>[   61.230503] FS:  00007fdda9464580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 4949 08:37:21.872528  <4>[   61.239875] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4950 08:37:21.882574  <4>[   61.246610] CR2: 0000000000000000 CR3: 00000001031fc000 CR4: 00000000003506e0

 4951 08:37:21.892418  <3>[   61.254906] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4952 08:37:21.898930  <3>[   61.265153] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1865, name: cat

 4953 08:37:21.905551  <4>[   61.273936] INFO: lockdep is turned off.

 4954 08:37:21.908829  <4>[   61.278628] irq event stamp: 0

 4955 08:37:21.915536  <4>[   61.282346] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4956 08:37:21.925339  <4>[   61.289659] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 4957 08:37:21.935521  <4>[   61.299124] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 4958 08:37:21.941906  <4>[   61.308586] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4959 08:37:21.951748  <4>[   61.315901] CPU: 3 PID: 1865 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4960 08:37:21.958253  <4>[   61.324874] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4961 08:37:21.961651  <4>[   61.331792] Call Trace:

 4962 08:37:21.965094  <4>[   61.334827]  dump_stack+0x77/0x9b

 4963 08:37:21.971679  <4>[   61.338838]  ___might_sleep.cold+0xa6/0xb6

 4964 08:37:21.975025  <4>[   61.343726]  exit_signals+0x1c/0x300

 4965 08:37:21.978044  <4>[   61.348025]  do_exit+0xc2/0xab0

 4966 08:37:21.981414  <4>[   61.351837]  ? ksys_write+0x68/0xf0

 4967 08:37:21.987979  <4>[   61.356041]  make_task_dead+0x2f/0x30

 4968 08:37:21.991424  <4>[   61.360436]  rewind_stack_and_make_dead+0x17/0x20

 4969 08:37:21.998182  <4>[   61.365998] RIP: 0033:0x7fdda937a473

 4970 08:37:22.018016  <4>[   61.370299] 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

 4971 08:37:22.027802  <4>[   61.391647] RSP: 002b:00007fff60453908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4972 08:37:22.034586  <4>[   61.400434] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fdda937a473

 4973 08:37:22.044475  <4>[   61.408734] RDX: 000000000000000c RSI: 00007fdda926e000 RDI: 0000000000000001

 4974 08:37:22.050976  <4>[   61.417029] RBP: 00007fdda926e000 R08: 00007fdda926d010 R09: 0000000000000000

 4975 08:37:22.061218  <4>[   61.425327] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4976 08:37:22.067597  <4>[   61.433625] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4977 08:37:22.067706  

 4978 08:37:22.077363  # [   58.498551] FS:  00007f1a995eb580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 4979 08:37:22.084335  # [   58.507908] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4980 08:37:22.094249  # [   58.514639] CR2: 00007f1a9961a000 CR3: 00000001062e6000 CR4: 00000000003506f0

 4981 08:37:22.094356  # [   58.522923] Call Trace:

 4982 08:37:22.100725  # [   58.525971]  ? __die_body.cold+0x1a/0x1f

 4983 08:37:22.103908  # [   58.530669]  ? no_context+0x177/0x380

 4984 08:37:22.107211  # [   58.535073]  ? exc_page_fault+0x53/0x170

 4985 08:37:22.114021  # [   58.539770]  ? asm_exc_page_fault+0x1e/0x30

 4986 08:37:22.120596  # [   58.544766]  ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae

 4987 08:37:22.123881  # [   58.550438]  ? direct_entry.cold+0x2c/0x38

 4988 08:37:22.127173  # [   58.555333]  ? full_proxy_write+0x56/0x80

 4989 08:37:22.133633  # [   58.560127]  ? vfs_write+0xea/0x3b0

 4990 08:37:22.136999  # [   58.564328]  ? ksys_write+0x68/0xf0

 4991 08:37:22.140451  # [   58.568520]  ? do_syscall_64+0x33/0x40

 4992 08:37:22.147205  # [   58.573020]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4993 08:37:22.186815  # [   58.579183] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4994 08:37:22.189980  # [   58.625650] CR2: 00007f1a9961a000

 4995 08:37:22.196912  # [   58.629664] ---[ end trace f420f41c7bc8cec8 ]---

 4996 08:37:22.200005  # [   58.635134] RIP: 0010:lkdtm_BUG+0x5/0x10

 4997 08:37:22.223176  # [   58.639827] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 4998 08:37:22.229901  # [   58.661174] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 4999 08:37:22.236348  # [   58.667326] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 5000 08:37:22.246295  # [   58.675615] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 5001 08:37:22.253148  # [   58.683914] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 5002 08:37:22.263050  # [   58.692211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5003 08:37:22.269426  # [   58.700508] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 5004 08:37:22.279337  # [   58.708809] FS:  00007f1a995eb580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 5005 08:37:22.286011  # [   58.718179] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5006 08:37:22.292738  # [   58.724917] CR2: 00007f1a9961a000 CR3: 00000001062e6000 CR4: 00000000003506f0

 5007 08:37:22.295926  # EXEC_USERSPACE: saw 'call trace:': ok

 5008 08:37:22.302716  ok 35 selftests: lkdtm: EXEC_USERSPACE.sh

 5009 08:37:22.305857  # selftests: lkdtm: EXEC_NULL.sh

 5010 08:37:22.305956  # Killed

 5011 08:37:22.312591  # [   59.006712] lkdtm: Performing direct entry EXEC_NULL

 5012 08:37:22.319395  # [   59.013681] lkdtm: attempting ok execution at ffffffff8977c5f0

 5013 08:37:22.325850  # [   59.020536] lkdtm: attempting bad execution at 0000000000000000

 5014 08:37:22.332588  # [   59.027512] BUG: kernel NULL pointer dereference, address: 0000000000000000

 5015 08:37:22.338917  # [   59.041842] #PF: supervisor instruction fetch in kernel mode

 5016 08:37:22.345441  # [   59.048487] #PF: error_code(0x0010) - not-present page

 5017 08:37:22.349045  # [   59.054545] PGD 0 P4D 0 

 5018 08:37:22.352128  # [   59.057689] Oops: 0010 [#11] SMP PTI

 5019 08:37:22.362395  # [   59.061986] CPU: 1 PID: 1793 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5020 08:37:22.368769  # [   59.070968] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5021 08:37:22.372105  # [   59.077904] RIP: 0010:0x0

 5022 08:37:22.378562  # [   59.081139] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 5023 08:37:22.385240  # [   59.089143] RSP: 0018:ffffa900c239fe48 EFLAGS: 00010246

 5024 08:37:22.395167  # [   59.095295] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 5025 08:37:22.401821  # [   59.103593] RDX: 0000000000000000 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50

 5026 08:37:22.411571  # [   59.111891] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 5027 08:37:22.418350  # [   59.120185] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 5028 08:37:22.428357  # [   59.128479] R13: ffffa900c239ff10 R14: ffffa900c239ff10 R15: ffff9981c612d000

 5029 08:37:22.434810  # [   59.136779] FS:  00007fac3cb3c580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 5030 08:37:22.441531  # [   59.146152] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5031 08:37:22.451362  # [   59.152889] CR2: ffffffffffffffd6 CR3: 0000000105994000 CR4: 00000000003506e0

 5032 08:37:22.454762  # [   59.161185] Call Trace:

 5033 08:37:22.461267  # [   59.1642<6>[   61.824763] lkdtm: Performing direct entry WRITE_RO

 5034 08:37:22.468052  <6>[   61.834596] lkdtm: attempting bad rodata write at ffffffff8ab944b0

 5035 08:37:22.474724  <1>[   61.841881] BUG: unable to handle page fault for address: ffffffff8ab944b0

 5036 08:37:22.481070  <1>[   61.849889] #PF: supervisor write access in kernel mode

 5037 08:37:22.487555  <1>[   61.856043] #PF: error_code(0x0003) - permissions violation

 5038 08:37:22.497431  <6>[   61.862587] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 80000001488001e1 

 5039 08:37:22.500925  <4>[   61.870699] Oops: 0003 [#14] SMP PTI

 5040 08:37:22.510981  <4>[   61.875003] CPU: 0 PID: 1901 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5041 08:37:22.517434  <4>[   61.883974] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5042 08:37:22.524071  <4>[   61.890917] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 5043 08:37:22.544114  <4>[   61.896198] Code: 00 48 c7 c7 28 b1 01 8b 48 c7 c6 b0 44 b9 8a e8 a0 d9 fb ff 48 8b 05 a4 0d d5 00 ba 34 12 cd ab 48 c7 c7 58 b1 01 8b 48 31 d0 <48> 89 05 8e 0d d5 00 e9 7e d9 fb ff 0f 1f 44 00 00 48 8b 05 1d cc

 5044 08:37:22.550559  <4>[   61.917556] RSP: 0018:ffffa900c254fe60 EFLAGS: 00010202

 5045 08:37:22.557096  <4>[   61.923710] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 5046 08:37:22.567065  <4>[   61.932009] RDX: 00000000abcd1234 RSI: ffff99823bc1bf50 RDI: ffffffff8b01b158

 5047 08:37:22.573730  <4>[   61.940300] RBP: ffffffff8b01a345 R08: 0000000000000000 R09: 0000000000000000

 5048 08:37:22.583462  <4>[   61.948586] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 5049 08:37:22.590307  <4>[   61.956872] R13: ffffa900c254ff10 R14: ffffa900c254ff10 R15: ffff9981c6189000

 5050 08:37:22.600249  <4>[   61.965172] FS:  00007f3c175a2580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 5051 08:37:22.606637  <4>[   61.974540] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5052 08:37:22.616749  <4>[   61.981274] CR2: ffffffff8ab944b0 CR3: 0000000105316000 CR4: 00000000003506f0

 5053 08:37:22.619737  <4>[   61.989574] Call Trace:

 5054 08:37:22.623027  <4>[   61.992620]  ? __die_body.cold+0x1a/0x1f

 5055 08:37:22.626537  <4>[   61.997316]  ? no_context+0x177/0x380

 5056 08:37:22.633291  <4>[   62.001724]  ? exc_page_fault+0xd7/0x170

 5057 08:37:22.636340  <4>[   62.006421]  ? asm_exc_page_fault+0x1e/0x30

 5058 08:37:22.642989  <4>[   62.011407]  ? lkdtm_WRITE_RO+0x2e/0x3a

 5059 08:37:22.646176  <4>[   62.016001]  direct_entry.cold+0x2c/0x38

 5060 08:37:22.652943  <4>[   62.020689]  full_proxy_write+0x56/0x80

 5061 08:37:22.656316  <4>[   62.025286]  vfs_write+0xea/0x3b0

 5062 08:37:22.659521  <4>[   62.029297]  ksys_write+0x68/0xf0

 5063 08:37:22.662702  <4>[   62.033306]  do_syscall_64+0x33/0x40

 5064 08:37:22.669683  <4>[   62.037600]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5065 08:37:22.672944  <4>[   62.043552] RIP: 0033:0x7f3c174b8473

 5066 08:37:22.695951  <4>[   62.047841] 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 08:37:22.706004  <4>[   62.069201] RSP: 002b:00007ffcc9846d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5068 08:37:22.712906  <4>[   62.077987] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3c174b8473

 5069 08:37:22.722347  <4>[   62.086285] RDX: 0000000000000009 RSI: 00007f3c173ac000 RDI: 0000000000000001

 5070 08:37:22.728903  <4>[   62.094584] RBP: 00007f3c173ac000 R08: 00007f3c173ab010 R09: 0000000000000000

 5071 08:37:22.739028  <4>[   62.102882] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5072 08:37:22.745522  <4>[   62.111182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5073 08:37:22.748759  35]  ? __die_body.cold+0x1a/0x1f

 5074 08:37:22.792293  # [   59.168934]  ? no_context<4>[   62.119483] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5075 08:37:22.795215  <4>[   62.165943] CR2: ffffffff8ab944b0

 5076 08:37:22.801799  <4>[   62.169956] ---[ end trace f420f41c7bc8cecc ]---

 5077 08:37:22.805257  <4>[   62.175424] RIP: 0010:lkdtm_BUG+0x5/0x10

 5078 08:37:22.828401  <4>[   62.180118] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 5079 08:37:22.834969  <4>[   62.201481] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 5080 08:37:22.841867  <4>[   62.207638] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 5081 08:37:22.851509  <4>[   62.215934] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 5082 08:37:22.858115  <4>[   62.224230] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 5083 08:37:22.868109  <4>[   62.232530] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5084 08:37:22.874795  <4>[   62.240828] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 5085 08:37:22.884559  <4>[   62.249127] FS:  00007f3c175a2580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 5086 08:37:22.891299  <4>[   62.258481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5087 08:37:22.901179  <4>[   62.265210] CR2: ffffffff8ab944b0 CR3: 0000000105316000 CR4: 00000000003506f0

 5088 08:37:22.910910  <3>[   62.273511] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5089 08:37:22.917686  <3>[   62.283749] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1901, name: cat

 5090 08:37:22.924314  <4>[   62.292532] INFO: lockdep is turned off.

 5091 08:37:22.927701  <4>[   62.297220] irq event stamp: 0

 5092 08:37:22.934328  <4>[   62.300936] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5093 08:37:22.943964  <4>[   62.308263] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5094 08:37:22.953803  <4>[   62.317719] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5095 08:37:22.960536  <4>[   62.327186] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5096 08:37:22.970268  <4>[   62.334512] CPU: 0 PID: 1901 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5097 08:37:22.977101  <4>[   62.343472] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5098 08:37:22.980128  <4>[   62.350406] Call Trace:

 5099 08:37:22.983658  <4>[   62.353444]  dump_stack+0x77/0x9b

 5100 08:37:22.990029  <4>[   62.357457]  ___might_sleep.cold+0xa6/0xb6

 5101 08:37:22.993340  <4>[   62.362351]  exit_signals+0x1c/0x300

 5102 08:37:22.996541  <4>[   62.366656]  do_exit+0xc2/0xab0

 5103 08:37:22.999919  <4>[   62.370476]  ? ksys_write+0x68/0xf0

 5104 08:37:23.006699  <4>[   62.374683]  make_task_dead+0x2f/0x30

 5105 08:37:23.009930  <4>[   62.379083]  rewind_stack_and_make_dead+0x17/0x20

 5106 08:37:23.016518  <4>[   62.384654] RIP: 0033:0x7f3c174b8473

 5107 08:37:23.036347  <4>[   62.388957] 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

 5108 08:37:23.046459  <4>[   62.410308] RSP: 002b:00007ffcc9846d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5109 08:37:23.052969  <4>[   62.419102] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3c174b8473

 5110 08:37:23.062745  <4>[   62.427400] RDX: 0000000000000009 RSI: 00007f3c173ac000 RDI: 0000000000000001

 5111 08:37:23.069304  <4>[   62.435700] RBP: 00007f3c173ac000 R08: 00007f3c173ab010 R09: 0000000000000000

 5112 08:37:23.079357  <4>[   62.443999] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5113 08:37:23.085971  <4>[   62.452295] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5114 08:37:23.089209  +0x177/0x380

 5115 08:37:23.092637  # [   59.173343]  ? exc_page_fault+0x53/0x170

 5116 08:37:23.099400  # [   59.184283]  ? asm_exc_page_fault+0x1e/0x30

 5117 08:37:23.102399  # [   59.189280]  execute_location+0x48/0x56

 5118 08:37:23.105755  # [   59.193879]  direct_entry.cold+0x2c/0x38

 5119 08:37:23.112600  # [   59.198578]  full_proxy_write+0x56/0x80

 5120 08:37:23.115865  # [   59.203176]  vfs_write+0xea/0x3b0

 5121 08:37:23.119329  # [   59.207190]  ksys_write+0x68/0xf0

 5122 08:37:23.122365  # [   59.211203]  do_syscall_64+0x33/0x40

 5123 08:37:23.128933  # [   59.215508]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5124 08:37:23.132219  # [   59.221469] RIP: 0033:0x7fac3ca52473

 5125 08:37:23.155518  # [   59.225776] 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 08:37:23.162094  # [   59.247137] RSP: 002b:00007ffd9e8ca6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5127 08:37:23.172120  # [   59.255925] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fac3ca52473

 5128 08:37:23.178633  # [   59.264223] RDX: 000000000000000a RSI: 00007fac3c946000 RDI: 0000000000000001

 5129 08:37:23.188561  # [   59.272518] RBP: 00007fac3c946000 R08: 00007fac3c945010 R09: 0000000000000000

 5130 08:37:23.195203  # [   59.280818] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5131 08:37:23.205384  # [   59.289116] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5132 08:37:23.244932  # [   59.297425] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5133 08:37:23.248208  # [   59.343861] CR2: 0000000000000000

 5134 08:37:23.255030  # [   59.347867] ---[ end trace f420f41c7bc8cec9 ]---

 5135 08:37:23.257898  # [   59.353345] RIP: 0010:lkdtm_BUG+0x5/0x10

 5136 08:37:23.277935  # [   59.358037] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 5137 08:37:23.284389  # [   59.379389] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 5138 08:37:23.294637  # [   59.385542] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 5139 08:37:23.301239  # [   59.393835] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 5140 08:37:23.310869  # [   59.402128] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 5141 08:37:23.317645  # [   59.410424] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5142 08:37:23.327785  # [   59.418722] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 5143 08:37:23.334148  # [   59.427019] FS:  00007fac3cb3c580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 5144 08:37:23.340487  # [   59.436391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5145 08:37:23.350399  # [   59.443126] CR2: ffffffffffffffd6 CR3: 0000000105994000 CR4: 00000000003506e0

 5146 08:37:23.360375  # [   59.451428] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5147 08:37:23.370128  # [   59.461676] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1793, name: cat

 5148 08:37:23.373496  # [   59.470460] INFO: lockdep is turned off.

 5149 08:37:23.376920  # [   59.475150] irq event stamp: 0

 5150 08:37:23.383843  # [   59.478869] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5151 08:37:23.393746  # [   59.486196] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5152 08:37:23.403380  # [   59.495665] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5153 08:37:23.409970  # [   59.505135] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5154 08:37:23.420183  # [   59.512463] CPU: 1 PID: 1793 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5155 08:37:23.426784  # [   59.521444] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5156 08:37:23.430029  # [   59.528376] Call Trace:

 5157 08:37:23.433375  # [   59.531420]  dump_stack+0x77/0x9b

 5158 08:37:23.436772  # [   59.535434]  ___might_sleep.cold+0xa6/0xb6

 5159 08:37:23.443336  # [   59.540328]  exit_signals+0x1c/0x300

 5160 08:37:23.446367  # [   59.544632]  do_exit+0xc2/0xab0

 5161 08:37:23.449705  # [   59.548452]  ? ksys_write+0x68/0xf0

 5162 08:37:23.453316  # [   59.552659]  make_task_dead+0x2f/0x30

 5163 08:37:23.463326  # [   59.<6>[   62.826098] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 5164 08:37:23.469461  <6>[   62.835526] lkdtm: attempting bad ro_after_init write at ffffffff8b0a0350

 5165 08:37:23.473120  557050]  rewind_stack_and_make_dead+0x17/0x20

 5166 08:37:23.482915  # [   59.562616] <1>[   62.843485] BUG: unable to handle page fault for address: ffffffff8b0a0350

 5167 08:37:23.489294  <1>[   62.857718] #PF: supervisor write access in kernel mode

 5168 08:37:23.496045  <1>[   62.863869] #PF: error_code(0x0003) - permissions violation

 5169 08:37:23.506163  <6>[   62.870407] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 105370163 PTE 8000000148ea0061

 5170 08:37:23.509295  <4>[   62.879791] Oops: 0003 [#15] SMP PTI

 5171 08:37:23.519281  <4>[   62.884084] CPU: 0 PID: 1937 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5172 08:37:23.525814  <4>[   62.893050] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5173 08:37:23.532366  <4>[   62.899990] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5174 08:37:23.555876  <4>[   62.906343] Code: b1 01 8b e9 52 d9 fb ff 48 c7 c7 b0 b1 01 8b e8 46 d9 fb ff 48 8b 05 ea cb 25 01 ba 34 12 cd ab 48 c7 c7 58 b1 01 8b 48 31 d0 <48> 89 05 d4 cb 25 01 e9 24 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 5175 08:37:23.558755  <4>[   62.927703] RSP: 0018:ffffa900c25d7e60 EFLAGS: 00010202

 5176 08:37:23.568876  <4>[   62.933862] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 5177 08:37:23.575516  <4>[   62.942157] RDX: 00000000abcd1234 RSI: ffff99823bc1bf50 RDI: ffffffff8b01b158

 5178 08:37:23.585182  <4>[   62.950449] RBP: ffffffff8b01a34e R08: 0000000000000000 R09: 0000000000000000

 5179 08:37:23.591916  <4>[   62.958743] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 5180 08:37:23.601920  <4>[   62.967035] R13: ffffa900c25d7f10 R14: ffffa900c25d7f10 R15: ffff9981c3119000

 5181 08:37:23.611919  <4>[   62.975323] FS:  00007fb6f6e8e580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 5182 08:37:23.618498  <4>[   62.984673] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5183 08:37:23.624984  <4>[   62.991409] CR2: ffffffff8b0a0350 CR3: 0000000105b60000 CR4: 00000000003506f0

 5184 08:37:23.628571  <4>[   62.999695] Call Trace:

 5185 08:37:23.634946  <4>[   63.002737]  ? __die_body.cold+0x1a/0x1f

 5186 08:37:23.638343  <4>[   63.007432]  ? no_context+0x177/0x380

 5187 08:37:23.641667  <4>[   63.011837]  ? exc_page_fault+0xd7/0x170

 5188 08:37:23.648181  <4>[   63.016534]  ? asm_exc_page_fault+0x1e/0x30

 5189 08:37:23.654811  <4>[   63.021525]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5190 08:37:23.658041  <4>[   63.027190]  direct_entry.cold+0x2c/0x38

 5191 08:37:23.661565  <4>[   63.031886]  full_proxy_write+0x56/0x80

 5192 08:37:23.667909  <4>[   63.036478]  vfs_write+0xea/0x3b0

 5193 08:37:23.671313  <4>[   63.040489]  ksys_write+0x68/0xf0

 5194 08:37:23.674810  <4>[   63.044498]  do_syscall_64+0x33/0x40

 5195 08:37:23.681192  <4>[   63.048800]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5196 08:37:23.684555  <4>[   63.054761] RIP: 0033:0x7fb6f6da4473

 5197 08:37:23.707589  <4>[   63.059061] 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

 5198 08:37:23.714558  <4>[   63.080409] RSP: 002b:00007ffc68e58248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5199 08:37:23.724217  <4>[   63.089192] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fb6f6da4473

 5200 08:37:23.730801  <4>[   63.097477] RDX: 0000000000000014 RSI: 00007fb6f6c98000 RDI: 0000000000000001

 5201 08:37:23.740742  <4>[   63.105768] RBP: 00007fb6f6c98000 R08: 00007fb6f6c97010 R09: 0000000000000000

 5202 08:37:23.747692  <4>[   63.114061] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5203 08:37:23.757377  <4>[   63.122346] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5204 08:37:23.760553  RIP: 0033:0x7fac3ca52473

 5205 08:37:23.803385  # [   59.566916] Code: 8b 15 21 2a 0e <4>[   63.130625] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5206 08:37:23.806919  <4>[   63.177072] CR2: ffffffff8b0a0350

 5207 08:37:23.813528  <4>[   63.181082] ---[ end trace f420f41c7bc8cecd ]---

 5208 08:37:23.816854  <4>[   63.186552] RIP: 0010:lkdtm_BUG+0x5/0x10

 5209 08:37:23.839844  <4>[   63.191233] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 5210 08:37:23.846649  <4>[   63.212588] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 5211 08:37:23.853113  <4>[   63.218739] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 5212 08:37:23.863085  <4>[   63.227035] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 5213 08:37:23.869674  <4>[   63.235332] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 5214 08:37:23.879644  <4>[   63.243626] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5215 08:37:23.886344  <4>[   63.251917] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 5216 08:37:23.896242  <4>[   63.260210] FS:  00007fb6f6e8e580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 5217 08:37:23.903078  <4>[   63.269559] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5218 08:37:23.909572  <4>[   63.276287] CR2: ffffffff8b0a0350 CR3: 0000000105b60000 CR4: 00000000003506f0

 5219 08:37:23.922617  <3>[   63.284577] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5220 08:37:23.929527  <3>[   63.294818] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1937, name: cat

 5221 08:37:23.935925  <4>[   63.303589] INFO: lockdep is turned off.

 5222 08:37:23.939330  <4>[   63.308275] irq event stamp: 0

 5223 08:37:23.945974  <4>[   63.311987] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5224 08:37:23.955906  <4>[   63.319302] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5225 08:37:23.965895  <4>[   63.328761] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5226 08:37:23.972247  <4>[   63.338227] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5227 08:37:23.982341  <4>[   63.345549] CPU: 0 PID: 1937 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5228 08:37:23.989159  <4>[   63.354526] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5229 08:37:23.992106  <4>[   63.361459] Call Trace:

 5230 08:37:23.995335  <4>[   63.364499]  dump_stack+0x77/0x9b

 5231 08:37:23.998692  <4>[   63.368512]  ___might_sleep.cold+0xa6/0xb6

 5232 08:37:24.005262  <4>[   63.373404]  exit_signals+0x1c/0x300

 5233 08:37:24.008516  <4>[   63.377709]  do_exit+0xc2/0xab0

 5234 08:37:24.011771  <4>[   63.381528]  ? ksys_write+0x68/0xf0

 5235 08:37:24.015314  <4>[   63.385733]  make_task_dead+0x2f/0x30

 5236 08:37:24.021695  <4>[   63.390121]  rewind_stack_and_make_dead+0x17/0x20

 5237 08:37:24.025070  <4>[   63.395688] RIP: 0033:0x7fb6f6da4473

 5238 08:37:24.048577  <4>[   63.399989] 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

 5239 08:37:24.054883  <4>[   63.421346] RSP: 002b:00007ffc68e58248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5240 08:37:24.064732  <4>[   63.430135] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fb6f6da4473

 5241 08:37:24.071290  <4>[   63.438430] RDX: 0000000000000014 RSI: 00007fb6f6c98000 RDI: 0000000000000001

 5242 08:37:24.081473  <4>[   63.446726] RBP: 00007fb6f6c98000 R08: 00007fb6f6c97010 R09: 0000000000000000

 5243 08:37:24.088291  <4>[   63.455023] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5244 08:37:24.097955  <4>[   63.463317] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5245 08:37:24.114384  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

 5246 08:37:24.124745  # [   59.588265] RSP: 002b:00007ffd9e8ca6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5247 08:37:24.131103  # [   59.597056] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fac3ca52473

 5248 08:37:24.141000  # [   59.605355] RDX: 000000000000000a RSI: 00007fac3c946000 RDI: 0000000000000001

 5249 08:37:24.147825  # [   59.613653] RBP: 00007fac3c946000 R08: 00007fac3c945010 R09: 0000000000000000

 5250 08:37:24.157733  # [   59.621949] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5251 08:37:24.164246  # [   59.630239] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5252 08:37:24.167514  # EXEC_NULL: saw 'call trace:': ok

 5253 08:37:24.170800  ok 36 selftests: lkdtm: EXEC_NULL.sh

 5254 08:37:24.177399  # selftests: lkdtm: ACCESS_USERSPACE.sh

 5255 08:37:24.177508  # Killed

 5256 08:37:24.183942  # [   59.952766] lkdtm: Performing direct entry ACCESS_USERSPACE

 5257 08:37:24.190527  # [   59.963231] lkdtm: attempting bad read at 00007fd5147a2000

 5258 08:37:24.197438  # [   59.975942] BUG: unable to handle page fault for address: 00007fd5147a2000

 5259 08:37:24.203869  # [   59.990138] #PF: supervisor read access in kernel mode

 5260 08:37:24.210603  # [   59.996197] #PF: error_code(0x0001) - permissions violation

 5261 08:37:24.220425  # [   60.002740] PGD 80000001034bc067 P4D 80000001034bc067 PUD 1065f9067 PMD 1027fe067 PTE 10a07e067

 5262 08:37:24.223862  # [   60.012801] Oops: 0001 [#12] SMP PTI

 5263 08:37:24.233825  # [   60.017101] CPU: 3 PID: 1829 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5264 08:37:24.240367  # [   60.026080] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5265 08:37:24.247047  # [   60.033024] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 5266 08:37:24.266975  # [   60.039569] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 48 b2 01 8b e8 78 d7 fb ff 48 c7 c7 70 b2 01 8b b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5f d7 fb ff 48 89 ee 48 c7 c7 98 b2 01

 5267 08:37:24.273319  # [   60.060887] RSP: 0018:ffffa900c2417e48 EFLAGS: 00010246

 5268 08:37:24.283163  # [   60.067027] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000

 5269 08:37:24.289845  # [   60.075308] RDX: 0000000000000000 RSI: ffff99823bd9bf50 RDI: ffffffff8b01b270

 5270 08:37:24.299865  # [   60.083599] RBP: 00007fd5147a2000 R08: 0000000000000000 R09: 0000000000000000

 5271 08:37:24.306889  # [   60.091880] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011

 5272 08:37:24.316362  # [   60.100159] R13: ffffa900c2417f10 R14: ffffa900c2417f10 R15: ffff9981c31e7000

 5273 08:37:24.323018  # [   60.108445] FS:  00007fd514773580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 5274 08:37:24.329564  # [   60.117800] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5275 08:37:24.339810  # [   60.124531] CR2: 00007fd5147a2000 CR3: 0000000103002000 CR4: 00000000003506e0

 5276 08:37:24.342958  # [   60.132822] Call Trace:

 5277 08:37:24.346196  # [   60.135867]  ? __die_body.cold+0x1a/0x1f

 5278 08:37:24.349453  # [   60.140561]  ? no_context+0x177/0x380

 5279 08:37:24.356145  # [   60.144958]  ? exc_page_fault+0x53/0x170

 5280 08:37:24.359853  # [   60.149641]  ? asm_exc_page_fault+0x1e/0x30

 5281 08:37:24.366001  # [   60.154632]  ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 5282 08:37:24.372702  # [   60.160497]  ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3

 5283 08:37:24.375979  # [   60.166363]  direct_entry.cold+0x2c/0x38

 5284 08:37:24.379440  # [   60.171062]  full_proxy_write+0x56/0x80

 5285 08:37:24.385810  # [   60.175662]  vfs_write+0xea/0x3b0

 5286 08:37:24.389330  # [   60.179675]  ksys_write+0x68/0xf0

 5287 08:37:24.392347  # [   60.183690]  do_syscall_64+0x33/0x40

 5288 08:37:24.398974  # [   60.187993]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5289 08:37:24.402344  # [   60.193955] RIP: 0033:0x7fd514689473

 5290 08:37:24.425853  # [   60.198259] 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

 5291 08:37:24.432004  # [   60.219611] RSP: 002b:00007ffe31506668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5292 08:37:24.442161  # [   60.228388] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fd514689473

 5293 08:37:24.448869  # [   60.236673] RDX: 0000000000000011 RSI: 00007fd51457d000 RDI: 0000000000000001

 5294 08:37:24.458809  # [   60.244968] RBP: 00007fd51457d000 R08: 00<6>[   63.826011] lkdtm: Performing direct entry WRITE_KERN

 5295 08:37:24.468667  <6>[   63.833327] lkdtm: attempting bad 7106710 byte write at ffffffff89e43686

 5296 08:37:24.475203  <1>[   63.841192] BUG: unable to handle page fault for address: ffffffff89e43686

 5297 08:37:24.481911  <1>[   63.849203] #PF: supervisor write access in kernel mode

 5298 08:37:24.485451  007fd51457c010 R09: 0000000000000000

 5299 08:37:24.495110  # [   60.253256] R10: ffff<1>[   63.855347] #PF: error_code(0x0003) - permissions violation

 5300 08:37:24.501930  <6>[   63.868123] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 147c001e1 

 5301 08:37:24.505280  <4>[   63.875553] Oops: 0003 [#16] SMP PTI

 5302 08:37:24.514948  <4>[   63.879857] CPU: 2 PID: 1973 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5303 08:37:24.521563  <4>[   63.888836] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5304 08:37:24.528185  <4>[   63.895774] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 5305 08:37:24.548270  <4>[   63.901246] Code: 53 48 c7 c3 86 36 e4 89 49 89 dc 48 89 da 49 81 ec f0 c5 77 89 4c 89 e6 e8 f9 d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 f0 c5 77 89 <f3> a4 48 c7 c7 58 b1 01 8b e8 de d8 fb ff 5b 41 5c e9 b7 fe ff ff

 5306 08:37:24.555347  <4>[   63.922589] RSP: 0018:ffffa900c265fe50 EFLAGS: 00010246

 5307 08:37:24.565083  <4>[   63.928744] RAX: 000000000000003c RBX: ffffffff89e43686 RCX: 00000000006c7096

 5308 08:37:24.571880  <4>[   63.937040] RDX: 0000000000000000 RSI: ffffffff8977c5f0 RDI: ffffffff89e43686

 5309 08:37:24.581730  <4>[   63.945337] RBP: ffffffff8b01a362 R08: 0000000000000000 R09: 0000000000000000

 5310 08:37:24.588118  <4>[   63.953634] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c7096

 5311 08:37:24.597890  <4>[   63.961929] R13: ffffa900c265ff10 R14: ffffa900c265ff10 R15: ffff9981c2ef2000

 5312 08:37:24.607944  <4>[   63.970228] FS:  00007fc00f9b6580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 5313 08:37:24.614764  <4>[   63.979599] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5314 08:37:24.621719  <4>[   63.986333] CR2: ffffffff89e43686 CR3: 00000001031e2000 CR4: 00000000003506e0

 5315 08:37:24.624799  <4>[   63.994628] Call Trace:

 5316 08:37:24.627952  <4>[   63.997676]  ? __die_body.cold+0x1a/0x1f

 5317 08:37:24.634207  <4>[   64.002367]  ? no_context+0x177/0x380

 5318 08:37:24.637588  fffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5319 08:37:24.644413  # [   <4>[   64.006773]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5320 08:37:24.650946  <4>[   64.018771]  ? exc_page_fault+0xd7/0x170

 5321 08:37:24.654151  <4>[   64.023468]  ? asm_exc_page_fault+0x1e/0x30

 5322 08:37:24.660856  <4>[   64.028453]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5323 08:37:24.667169  <4>[   64.034222]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 5324 08:37:24.670359  <4>[   64.039399]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5325 08:37:24.677013  <4>[   64.045168]  ? lkdtm_WRITE_KERN+0x38/0x4e

 5326 08:37:24.680541  <4>[   64.049962]  direct_entry.cold+0x2c/0x38

 5327 08:37:24.687197  <4>[   64.054657]  full_proxy_write+0x56/0x80

 5328 08:37:24.690297  <4>[   64.059256]  vfs_write+0xea/0x3b0

 5329 08:37:24.693602  <4>[   64.063269]  ksys_write+0x68/0xf0

 5330 08:37:24.696858  <4>[   64.067285]  do_syscall_64+0x33/0x40

 5331 08:37:24.703316  <4>[   64.071593]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5332 08:37:24.706823  <4>[   64.077552] RIP: 0033:0x7fc00f8cc473

 5333 08:37:24.729843  <4>[   64.081851] 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

 5334 08:37:24.739628  <4>[   64.103208] RSP: 002b:00007ffc533eb1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5335 08:37:24.746796  <4>[   64.111998] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc00f8cc473

 5336 08:37:24.756511  <4>[   64.120293] RDX: 000000000000000b RSI: 00007fc00f7c0000 RDI: 0000000000000001

 5337 08:37:24.763125  <4>[   64.128588] RBP: 00007fc00f7c0000 R08: 00007fc00f7bf010 R09: 0000000000000000

 5338 08:37:24.772868  <4>[   64.136885] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5339 08:37:24.779760  <4>[   64.145182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5340 08:37:24.825661  60.261530] R13: 0000000000000001 R14: 0000000000020000 R15: 0000<4>[   64.153491] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5341 08:37:24.829137  <4>[   64.199979] CR2: ffffffff89e43686

 5342 08:37:24.835889  <4>[   64.203992] ---[ end trace f420f41c7bc8cece ]---

 5343 08:37:24.839021  <4>[   64.209464] RIP: 0010:lkdtm_BUG+0x5/0x10

 5344 08:37:24.862104  <4>[   64.214158] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 5345 08:37:24.868780  <4>[   64.235517] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 5346 08:37:24.875379  <4>[   64.241675] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 5347 08:37:24.885083  <4>[   64.249969] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 5348 08:37:24.891945  <4>[   64.258268] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 5349 08:37:24.901723  <4>[   64.266566] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5350 08:37:24.908119  <4>[   64.274864] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 5351 08:37:24.918132  <4>[   64.283164] FS:  00007fc00f9b6580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 5352 08:37:24.924749  <4>[   64.292531] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5353 08:37:24.934422  <4>[   64.299271] CR2: ffffffff89e43686 CR3: 00000001031e2000 CR4: 00000000003506e0

 5354 08:37:24.944497  <3>[   64.307574] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5355 08:37:24.954408  <3>[   64.317825] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1973, name: cat

 5356 08:37:24.957459  <4>[   64.326601] INFO: lockdep is turned off.

 5357 08:37:24.960874  <4>[   64.331288] irq event stamp: 0

 5358 08:37:24.967770  <4>[   64.335007] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5359 08:37:24.977662  <4>[   64.342325] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5360 08:37:24.987506  <4>[   64.351788] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5361 08:37:24.994153  <4>[   64.361252] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5362 08:37:25.004039  <4>[   64.368575] CPU: 2 PID: 1973 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5363 08:37:25.010487  <4>[   64.377544] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5364 08:37:25.013911  <4>[   64.384476] Call Trace:

 5365 08:37:25.017224  <4>[   64.387517]  dump_stack+0x77/0x9b

 5366 08:37:25.023739  <4>[   64.391533]  ___might_sleep.cold+0xa6/0xb6

 5367 08:37:25.027188  <4>[   64.396425]  exit_signals+0x1c/0x300

 5368 08:37:25.030412  <4>[   64.400730]  do_exit+0xc2/0xab0

 5369 08:37:25.033956  <4>[   64.404547]  ? ksys_write+0x68/0xf0

 5370 08:37:25.040285  <4>[   64.408754]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5371 08:37:25.043883  <4>[   64.414517]  make_task_dead+0x2f/0x30

 5372 08:37:25.050356  <4>[   64.418920]  rewind_stack_and_make_dead+0x17/0x20

 5373 08:37:25.053657  <4>[   64.424489] RIP: 0033:0x7fc00f8cc473

 5374 08:37:25.076615  <4>[   64.428792] 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

 5375 08:37:25.086552  <4>[   64.450135] RSP: 002b:00007ffc533eb1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5376 08:37:25.093071  <4>[   64.458922] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc00f8cc473

 5377 08:37:25.103032  <4>[   64.467222] RDX: 000000000000000b RSI: 00007fc00f7c0000 RDI: 0000000000000001

 5378 08:37:25.109906  <4>[   64.475519] RBP: 00007fc00f7c0000 R08: 00007fc00f7bf010 R09: 0000000000000000

 5379 08:37:25.119709  <4>[   64.483817] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5380 08:37:25.126411  <4>[   64.492116] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5381 08:37:25.129621  000000020000

 5382 08:37:25.169327  # [   60.269821] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5383 08:37:25.172674  # [   60.310055] CR2: 00007fd5147a2000

 5384 08:37:25.176162  # [   60.314066] ---[ end trace f420f41c7bc8ceca ]---

 5385 08:37:25.183078  # [   60.319535] RIP: 0010:lkdtm_BUG+0x5/0x10

 5386 08:37:25.202499  # [   60.324222] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 5387 08:37:25.209162  # [   60.345580] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 5388 08:37:25.219070  # [   60.351735] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 5389 08:37:25.225659  # [   60.360031] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 5390 08:37:25.232234  # [   60.368331] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 5391 08:37:25.242514  # [   60.376628] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5392 08:37:25.249172  # [   60.384926] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 5393 08:37:25.258978  # [   60.393219] FS:  00007fd514773580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 5394 08:37:25.265411  # [   60.402587] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5395 08:37:25.275410  # [   60.409324] CR2: 00007fd5147a2000 CR3: 0000000103002000 CR4: 00000000003506e0

 5396 08:37:25.278819  # ACCESS_USERSPACE: saw 'call trace:': ok

 5397 08:37:25.282184  ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh

 5398 08:37:25.285381  # selftests: lkdtm: ACCESS_NULL.sh

 5399 08:37:25.288672  # Killed

 5400 08:37:25.292069  # [   60.804176] lkdtm: Performing direct entry ACCESS_NULL

 5401 08:37:25.298534  # [   60.810509] lkdtm: attempting bad read at 0000000000000000

 5402 08:37:25.308809  # [   60.823213] BUG: kernel NULL pointer dereference, address: 0000000000000000

 5403 08:37:25.315359  # [   60.837521] #PF: supervisor read access in kernel mode

 5404 08:37:25.318542  # [   60.843574] #PF: error_code(0x0000) - not-present page

 5405 08:37:25.322120  # [   60.849625] PGD 0 P4D 0 

 5406 08:37:25.328456  # [   60.852766] Oops: 0000 [#13] SMP PTI

 5407 08:37:25.335320  # [   60.857071] CPU: 3 PID: 1865 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5408 08:37:25.341799  # [   60.866046] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5409 08:37:25.348224  # [   60.872989] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 5410 08:37:25.368150  # [   60.878561] Code: 1c d7 fb ff be 00 10 00 00 48 89 ef e8 ca 2d 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 48 b2 01 8b e8 f6 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 70 b2 01 8b 48 01

 5411 08:37:25.374872  # [   60.899924] RSP: 0018:ffffa900c24b7e58 EFLAGS: 00010246

 5412 08:37:25.384520  # [   60.906081] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 5413 08:37:25.391382  # [   60.914378] RDX: 0000000000000000 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50

 5414 08:37:25.401342  # [   60.922676] RBP: ffffffff8b01a339 R08: 0000000000000000 R09: 0000000000000000

 5415 08:37:25.407824  # [   60.930962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 5416 08:37:25.417710  # [   60.939254] R13: ffffa900c24b7f10 R14: ffffa900c24b7f10 R15: ffff9981c60b4000

 5417 08:37:25.424483  # [   60.947553] FS:  00007fdda9464580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 5418 08:37:25.431158  # [   60.956923] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5419 08:37:25.440826  # [   60.963662] CR2: 0000000000000000 CR3: 00000001031fc000 CR4: 00000000003506e0

 5420 08:37:25.444316  # [   60.971955] Call Trace:

 5421 08:37:25.447641  # [   60.975003]  ? __die_body.cold+0x1a/0x1f

 5422 08:37:25.450690  # [   60.979702]  ? no_context+0x177/0x380

 5423 08:37:25.457346  # [   60.984108]  ? exc_page_fault+0x53/0x170

 5424 08:37:25.460736  # [   60.988806]  ? asm_exc_page_fault+0x1e/0x30

 5425 08:37:25.467399  # [   60.993795]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5426 08:37:25.470588  # [   60.998685]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5427 08:37:25.477255  # [   61.003576]  direct_entry.cold+0x2c/0x38

 5428 08:37:25.480486  # [   61.008274]  full_proxy_write+0x56/0x80

 5429 08:37:25.484032  # [   61.012872]  vfs_write+0xea/0x3b0

 5430 08:37:25.487183  # [   61.016886]  ksys_write+0x68/0xf0

 5431 08:37:25.493772  # [   61.020895]  do_syscall_64+0x33/0x40

 5432 08:37:25.497195  # [   61.025192]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5433 08:37:25.503839  # [   61.031153] RIP: 0033:0x7fdda937a473

 5434 08:37:25.523450  # [   61.035456] 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

 5435 08:37:25.533897  # [   61.056815] RSP: 002b:00007fff60453908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5436 08:37:25.540094  # <6>[   64.903151] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 5437 08:37:25.546710  <6>[   64.913162] lkdtm: attempting good refcount_inc() without overflow

 5438 08:37:25.553428  <6>[   64.920437] lkdtm: attempting bad refcount_inc() overflow

 5439 08:37:25.559858  <4>[   64.926816] ------------[ cut here ]------------

 5440 08:37:25.563168  <4>[   64.932306] refcount_t: saturated; leaking memory.

 5441 08:37:25.573029  <4>[   64.938045] WARNING: CPU: 2 PID: 2009 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5442 08:37:25.619480  [   61.065604] RAX: ffffffffffffffda RBX: 000000000000000c RCX: <4>[   64.947828] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5443 08:37:25.629679  <4>[   64.994350] CPU: 2 PID: 2009 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5444 08:37:25.636184  <4>[   65.003354] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5445 08:37:25.642653  <4>[   65.010313] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5446 08:37:25.665853  <4>[   65.016498] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d f7 8a c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7

 5447 08:37:25.669167  <4>[   65.037887] RSP: 0018:ffffa900c26efe48 EFLAGS: 00010286

 5448 08:37:25.678923  <4>[   65.044063] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 5449 08:37:25.685655  <4>[   65.052381] RDX: ffff99823bd2c620 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50

 5450 08:37:25.695589  <4>[   65.060706] RBP: ffffffff8b01a36d R08: 0000000000000000 R09: 0000000000000000

 5451 08:37:25.702077  <4>[   65.069019] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5452 08:37:25.712332  <4>[   65.077337] R13: ffffa900c26eff10 R14: ffffa900c26eff10 R15: ffff9981c5b10000

 5453 08:37:25.721748  <4>[   65.085657] FS:  00007f6d8baf2580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 5454 08:37:25.728432  <4>[   65.095047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5455 08:37:25.735108  <4>[   65.101808] CR2: 00007f6d8b8fc000 CR3: 0000000104848000 CR4: 00000000003506e0

 5456 08:37:25.738500  <4>[   65.110125] Call Trace:

 5457 08:37:25.745203  <4>[   65.113194]  ? __warn+0x80/0x110

 5458 08:37:25.748481  <4>[   65.117140]  ? refcount_warn_saturate+0x51/0x110

 5459 08:37:25.751535  <4>[   65.122637]  ? report_bug+0x9e/0xc0

 5460 08:37:25.758136  <4>[   65.126876]  ? handle_bug+0x41/0x90

 5461 08:37:25.761542  <4>[   65.131106]  ? exc_invalid_op+0x14/0x70

 5462 08:37:25.768291  <4>[   65.135729]  ? asm_exc_invalid_op+0x12/0x20

 5463 08:37:25.771439  <4>[   65.140750]  ? refcount_warn_saturate+0x51/0x110

 5464 08:37:25.778185  <4>[   65.146249]  ? refcount_warn_saturate+0x51/0x110

 5465 08:37:25.784605  <4>[   65.151747]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 5466 08:37:25.788079  <4>[   65.157441]  direct_entry.cold+0x2c/0x38

 5467 08:37:25.794738  <4>[   65.162164]  full_proxy_write+0x56/0x80

 5468 08:37:25.797845  <4>[   65.166796]  vfs_write+0xea/0x3b0

 5469 08:37:25.801047  <4>[   65.170828]  ksys_write+0x68/0xf0

 5470 08:37:25.804377  00007fdda937a473

 5471 08:37:25.810840  # [   61.073897] RDX: 000000000000000c RSI: 00<4>[   65.174886]  do_syscall_64+0x33/0x40

 5472 08:37:25.817842  <4>[   65.185409]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5473 08:37:25.820804  <4>[   65.191399] RIP: 0033:0x7f6d8ba08473

 5474 08:37:25.844102  <4>[   65.195726] 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

 5475 08:37:25.850707  <4>[   65.217111] RSP: 002b:00007ffdf93dc0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5476 08:37:25.860691  <4>[   65.225919] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6d8ba08473

 5477 08:37:25.870398  <4>[   65.234230] RDX: 0000000000000016 RSI: 00007f6d8b8fc000 RDI: 0000000000000001

 5478 08:37:25.877145  <4>[   65.242541] RBP: 00007f6d8b8fc000 R08: 00007f6d8b8fb010 R09: 0000000000000000

 5479 08:37:25.886958  <4>[   65.250859] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5480 08:37:25.893606  <4>[   65.259185] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5481 08:37:25.896804  <4>[   65.267515] irq event stamp: 0

 5482 08:37:25.903176  <4>[   65.271256] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5483 08:37:25.913223  <4>[   65.278606] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5484 08:37:25.923249  <4>[   65.288092] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5485 08:37:25.929582  <4>[   65.297584] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5486 08:37:25.936276  <4>[   65.304929] ---[ end trace f420f41c7bc8cecf ]---

 5487 08:37:25.943044  <6>[   65.310420] lkdtm: Overflow detected: saturated

 5488 08:37:25.946550  007fdda926e000 RDI: 0000000000000001

 5489 08:37:25.952936  # [   61.082196] RBP: 00007fdda926e000 R08: 00007fdda926d010 R09: 0000000000000000

 5490 08:37:25.962680  # [   61.090490] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5491 08:37:25.969634  # [   61.098790] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5492 08:37:26.009351  # [   61.107098] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5493 08:37:26.015847  # [   61.147354] CR2: 0000000000000000

 5494 08:37:26.019044  # [   61.151367] ---[ end trace f420f41c7bc8cecb ]---

 5495 08:37:26.025686  # [   61.156843] RIP: 0010:lkdtm_BUG+0x5/0x10

 5496 08:37:26.045613  # [   61.161527] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 5497 08:37:26.052307  # [   61.182883] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 5498 08:37:26.058963  # [   61.189036] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 5499 08:37:26.068542  # [   61.197326] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 5500 08:37:26.075148  # [   61.205620] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 5501 08:37:26.085394  # [   61.213919] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5502 08:37:26.091894  # [   61.222207] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 5503 08:37:26.102170  # [   61.230503] FS:  00007fdda9464580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 5504 08:37:26.108490  # [   61.239875] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5505 08:37:26.118219  # [   61.246610] CR2: 0000000000000000 CR3: 00000001031fc000 CR4: 00000000003506e0

 5506 08:37:26.128210  # [   61.254906] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5507 08:37:26.134720  # [   61.265153] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1865, name: cat

 5508 08:37:26.141650  # [   61.273936] INFO: lockdep is turned off.

 5509 08:37:26.147090  # [   61.278628] irq event stamp: 0

 5510 08:37:26.151730  # [   61.282346] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5511 08:37:26.161378  # [   61.289659] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5512 08:37:26.171170  # [   61.299124] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5513 08:37:26.177898  # [   61.308586] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5514 08:37:26.184315  # [   61.315901] CPU: 3 PID: 1865 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5515 08:37:26.191084  # [   61.324874] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5516 08:37:26.194328  # [   61.331792] Call Trace:

 5517 08:37:26.201081  # [   61.334827]  dump_stack+0x77/0x9b

 5518 08:37:26.204350  # [   61.338838]  ___might_sleep.cold+0xa6/0xb6

 5519 08:37:26.207529  # [   61.343726]  exit_signals+0x1c/0x300

 5520 08:37:26.210929  # [   61.348025]  do_exit+0xc2/0xab0

 5521 08:37:26.217374  # [   61.351837]  ? ksys_write+0x68/0xf0

 5522 08:37:26.220896  # [   61.356041]  make_task_dead+0x2f/0x30

 5523 08:37:26.227665  # [   61.360436]  rewind_stack_and_make_dead+0x17/0x20

 5524 08:37:26.230691  # [   61.365998] RIP: 0033:0x7fdda937a473

 5525 08:37:26.250524  # [   61.370299] 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

 5526 08:37:26.260433  # [   61.391647] RSP: 002b:00007fff60453908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5527 08:37:26.267360  # [   61.400434] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fdda937a473

 5528 08:37:26.280404  # [   61.408734] RDX: 000000000000000c RSI: 0000<6>[   65.641645] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 5529 08:37:26.286794  <6>[   65.653576] lkdtm: attempting good refcount_add() without overflow

 5530 08:37:26.290316  7fdda926e000 RDI: 0000000000000001

 5531 08:37:26.300319  # [   61.417029] RBP: 00007f<6>[   65.660837] lkdtm: attempting bad refcount_add() overflow

 5532 08:37:26.306822  <4>[   65.673439] ------------[ cut here ]------------

 5533 08:37:26.310027  <4>[   65.678919] refcount_t: saturated; leaking memory.

 5534 08:37:26.316591  dda926e000 R08: 00007fdda926d010 R09: 0000000000000000

 5535 08:37:26.326529  # [   61<4>[   65.684658] WARNING: CPU: 1 PID: 2042 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5536 08:37:26.373068  .425327] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000<4>[   65.700674] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5537 08:37:26.376338  0000000001

 5538 08:37:26.389431  # [   61.433625] R13: 0000000000000001 R14: 00000000<4>[   65.747130] CPU: 1 PID: 2042 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5539 08:37:26.392759  00020000 R15: 0000000000020000

 5540 08:37:26.402763  # ACCESS_NULL: saw 'call trace:'<4>[   65.762371] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5541 08:37:26.409158  <4>[   65.775563] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5542 08:37:26.428958  <4>[   65.781737] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d f7 8a c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7

 5543 08:37:26.435396  <4>[   65.803117] RSP: 0018:ffffa900c2747e48 EFLAGS: 00010286

 5544 08:37:26.445303  <4>[   65.809293] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 5545 08:37:26.451852  <4>[   65.817617] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50

 5546 08:37:26.461842  <4>[   65.825935] RBP: ffffffff8b01a383 R08: 0000000000000000 R09: 0000000000000000

 5547 08:37:26.468346  <4>[   65.834250] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5548 08:37:26.478529  <4>[   65.842563] R13: ffffa900c2747f10 R14: ffffa900c2747f10 R15: ffff9981c2eed000

 5549 08:37:26.488360  <4>[   65.850885] FS:  00007ff2c36dd580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 5550 08:37:26.494747  <4>[   65.860283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5551 08:37:26.501433  <4>[   65.867040] CR2: 00007ff2c34e7000 CR3: 00000001061b2000 CR4: 00000000003506e0

 5552 08:37:26.501599  : ok

 5553 08:37:26.504788  ok 38 selftests: lkdtm: ACCESS_NULL.sh

 5554 08:37:26.511419  # selftests: lkdtm<4>[   65.875354] Call Trace:

 5555 08:37:26.511583  : WRITE_RO.sh

 5556 08:37:26.514758  # Killed

 5557 08:37:26.520938  # [   61.824763] lkdtm: Performing dire<4>[   65.884654]  ? __warn+0x80/0x110

 5558 08:37:26.527541  <4>[   65.894832]  ? refcount_warn_saturate+0x51/0x110

 5559 08:37:26.530948  <4>[   65.900330]  ? report_bug+0x9e/0xc0

 5560 08:37:26.534376  <4>[   65.904561]  ? handle_bug+0x41/0x90

 5561 08:37:26.540865  <4>[   65.908789]  ? exc_invalid_op+0x14/0x70

 5562 08:37:26.544007  <4>[   65.913406]  ? asm_exc_invalid_op+0x12/0x20

 5563 08:37:26.550715  <4>[   65.918426]  ? refcount_warn_saturate+0x51/0x110

 5564 08:37:26.550797  ct entry WRITE_RO

 5565 08:37:26.560732  # [   61.834596] lkdtm: attempting bad rodata<4>[   65.923915]  ? refcount_warn_saturate+0x51/0x110

 5566 08:37:26.563886   write at ffffffff8ab944b0

 5567 08:37:26.573822  # [   61.841881] BUG: unable to hand<4>[   65.935623]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 5568 08:37:26.576965  le page fault for address: ffffffff8ab944b0

 5569 08:37:26.583578  # [   61.849889] #P<4>[   65.947555]  direct_entry.cold+0x2c/0x38

 5570 08:37:26.590210  F: supervisor write access in kernel mode

 5571 08:37:26.596763  # [   61.856043] #PF:<4>[   65.958526]  full_proxy_write+0x56/0x80

 5572 08:37:26.600264   error_code(0x0003) - permissions violation

 5573 08:37:26.606843  # [   61.862587] PG<4>[   65.969363]  vfs_write+0xea/0x3b0

 5574 08:37:26.613261  D 149029067 P4D 149029067 PUD 14902a063 PMD 80000001488001e1 

 5575 08:37:26.616600  #<4>[   65.979601]  ksys_write+0x68/0xf0

 5576 08:37:26.619967   [   61.870699] Oops: 0003 [#14] SMP PTI

 5577 08:37:26.626450  # [   61.875003] CPU: <4>[   65.989882]  do_syscall_64+0x33/0x40

 5578 08:37:26.639883  0 PID: 1901 Comm: cat Tainted: G      D W         5.10.209-cip44<4>[   66.000399]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5579 08:37:26.640102   #1

 5580 08:37:26.649437  # [   61.883974] Hardware name: Google Coral/Coral, BIOS  0<4>[   66.012566] RIP: 0033:0x7ff2c35f3473

 5581 08:37:26.649679  9/29/2020

 5582 08:37:26.656154  # [   61.890917] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 5583 08:37:26.676003  <4>[   66.023110] 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

 5584 08:37:26.692440  # [   61.896198] Code: 00 48 c7 c7 28 b1 01 8b 48 c7 c6 b0 44 b9<4>[   66.050701] RSP: 002b:00007ffc5745d7f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5585 08:37:26.705630   8a e8 a0 d9 fb ff 48 8b 05 a4 0d d5 00 ba 34 12 cd ab 48 c7 c7 <4>[   66.065731] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff2c35f3473

 5586 08:37:26.722333  58 b1 01 8b 48 31 d0 <48> 89 05 8e 0d d5 00 e9 7e d9 fb ff 0f 1f<4>[   66.080278] RDX: 0000000000000016 RSI: 00007ff2c34e7000 RDI: 0000000000000001

 5587 08:37:26.722480   44 00 00 48 8b 05 1d cc

 5588 08:37:26.735722  # [   61.917556] RSP: 0018:ffffa900c25<4>[   66.094811] RBP: 00007ff2c34e7000 R08: 00007ff2c34e6010 R09: 0000000000000000

 5589 08:37:26.738714  4fe60 EFLAGS: 00010202

 5590 08:37:26.748739  # [   61.923710] RAX: 000000000198b861 R<4>[   66.109353] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5591 08:37:26.755718  BX: 0000000000000028 RCX: 0000000000000000

 5592 08:37:26.765330  # [   61.932009] RDX<4>[   66.123890] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5593 08:37:26.772196  : 00000000abcd1234 RSI: ffff99823bc1bf50 RDI: ffffffff8b01b158

 5594 08:37:26.775279  <4>[   66.138429] irq event stamp: 0

 5595 08:37:26.788868  # [   61.940300] RBP: ffffffff8b01a345 R08: 0000000000000000 R09<4>[   66.148367] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5596 08:37:26.792046  : 0000000000000000

 5597 08:37:26.805196  # [   61.948586] R10: 00000000ffffe000 R11: <4>[   66.161910] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5598 08:37:26.808638  3fffffffffffffff R12: 0000000000000009

 5599 08:37:26.818401  # [   61.956872] R13: ff<4>[   66.177603] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5600 08:37:26.825042  ffa900c254ff10 R14: ffffa900c254ff10 R15: ffff9981c6189000

 5601 08:37:26.834959  # [ <4>[   66.193290] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5602 08:37:26.844758    61.965172] FS:  00007f3c175a2580(0000) GS:ffff99823bc00000(000<4>[   66.206836] ---[ end trace f420f41c7bc8ced0 ]---

 5603 08:37:26.848001  0) knlGS:0000000000000000

 5604 08:37:26.857840  # [   61.974540] CS:  0010 DS: 0000 E<6>[   66.218540] lkdtm: Overflow detected: saturated

 5605 08:37:26.857978  S: 0000 CR0: 0000000080050033

 5606 08:37:26.867798  # [   61.981274] CR2: ffffffff8ab944b0 CR3: 0000000105316000 CR4: 00000000003506f0

 5607 08:37:26.871110  # [   61.989574] Call Trace:

 5608 08:37:26.874647  # [   61.992620]  ? __die_body.cold+0x1a/0x1f

 5609 08:37:26.881338  # [   61.997316]  ? no_context+0x177/0x380

 5610 08:37:26.884474  # [   62.001724]  ? exc_page_fault+0xd7/0x170

 5611 08:37:26.887854  # [   62.006421]  ? asm_exc_page_fault+0x1e/0x30

 5612 08:37:26.894406  # [   62.011407]  ? lkdtm_WRITE_RO+0x2e/0x3a

 5613 08:37:26.897765  # [   62.016001]  direct_entry.cold+0x2c/0x38

 5614 08:37:26.900982  # [   62.020689]  full_proxy_write+0x56/0x80

 5615 08:37:26.907500  # [   62.025286]  vfs_write+0xea/0x3b0

 5616 08:37:26.910763  # [   62.029297]  ksys_write+0x68/0xf0

 5617 08:37:26.914352  # [   62.033306]  do_syscall_64+0x33/0x40

 5618 08:37:26.920909  # [   62.037600]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5619 08:37:26.924113  # [   62.043552] RIP: 0033:0x7f3c174b8473

 5620 08:37:26.947383  # [   62.047841] 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

 5621 08:37:26.953867  # [   62.069201] RSP: 002b:00007ffcc9846d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5622 08:37:26.963801  # [   62.077987] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3c174b8473

 5623 08:37:26.970363  # [   62.086285] RDX: 0000000000000009 RSI: 00007f3c173ac000 RDI: 0000000000000001

 5624 08:37:26.980439  # [   62.094584] RBP: 00007f3c173ac000 R08: 00007f3c173ab010 R09: 0000000000000000

 5625 08:37:26.986906  # [   62.102882] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5626 08:37:26.997141  # [   62.111182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5627 08:37:27.037018  # [   62.119483] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5628 08:37:27.040277  # [   62.165943] CR2: ffffffff8ab944b0

 5629 08:37:27.043569  # [   62.169956] ---[ end trace f420f41c7bc8cecc ]---

 5630 08:37:27.050276  # [   62.175424] RIP: 0010:lkdtm_BUG+0x5/0x10

 5631 08:37:27.069885  # [   62.180118] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 5632 08:37:27.076492  # [   62.201481] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 5633 08:37:27.083190  # [   62.207638] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 5634 08:37:27.092993  # [   62.215934] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 5635 08:37:27.099603  # [   62.224230] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 5636 08:37:27.109501  # [   62.232530] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5637 08:37:27.116126  # [   62.240828] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 5638 08:37:27.126125  # [   62.249127] FS:  00007f3c175a2580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 5639 08:37:27.132865  # [   62.258481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5640 08:37:27.142609  # [   62.265210] CR2: ffffffff8ab944b0 CR3: 0000000105316000 CR4: 00000000003506f0

 5641 08:37:27.152828  # [   62.273511] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5642 08:37:27.159140  # [   62.283749] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1901, name: cat

 5643 08:37:27.165911  # [   62.292532] INFO: lockdep is turned off.

 5644 08:37:27.169363  # [   62.297220] irq event stamp: 0

 5645 08:37:27.175735  # [   62.300936] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5646 08:37:27.189020  # [   62.308263] hardirqs last disabled at (0): [<ff<6>[   66.553222] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 5647 08:37:27.195589  <6>[   66.562455] lkdtm: attempting bad refcount_inc_not_zero() overflow

 5648 08:37:27.198980  ffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5649 08:37:27.208912  # [   62.317719] sof<4>[   66.569723] ------------[ cut here ]------------

 5650 08:37:27.212058  <4>[   66.581455] refcount_t: saturated; leaking memory.

 5651 08:37:27.228822  tirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x<4>[   66.587198] WARNING: CPU: 1 PID: 2075 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5652 08:37:27.231902  65c/0x20e0

 5653 08:37:27.274890  # [   62.327186] softirqs last disabled at (0): [<00<4>[   66.603171] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5654 08:37:27.278101  00000000000000>] 0x0

 5655 08:37:27.291535  # [   62.334512] CPU: 0 PID: 1901 Comm: ca<4>[   66.649647] CPU: 1 PID: 2075 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5656 08:37:27.297904  <4>[   66.664886] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5657 08:37:27.304534  t Tainted: G      D W         5.10.209-cip44 #1

 5658 08:37:27.311356  # [   62.343472<4>[   66.671856] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5659 08:37:27.330935  <4>[   66.684282] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 8a c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7

 5660 08:37:27.337660  <4>[   66.705673] RSP: 0018:ffffa900c27efe38 EFLAGS: 00010282

 5661 08:37:27.347422  <4>[   66.711852] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5662 08:37:27.354103  <4>[   66.720174] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50

 5663 08:37:27.360922  ] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5664 08:37:27.370754  # [   62.<6>[   66.727006] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 5665 08:37:27.370988  350406] Call Trace:

 5666 08:37:27.373733  # [   62.353444]  dump_stack+0x77/0x9b

 5667 08:37:27.383844  # [<4>[   66.728505] RBP: ffffffff8b019fc0 R08: 0000000000000000 R09: 0000000000000000

 5668 08:37:27.387366     62.357457]  ___might_sleep.cold+0xa6/0xb6

 5669 08:37:27.397358  # [   62.362351]  <4>[   66.728509] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5670 08:37:27.400354  exit_signals+0x1c/0x300

 5671 08:37:27.403825  # [   62.366656]  do_exit+0xc2/0xab0

 5672 08:37:27.413634  #<4>[   66.728512] R13: ffffa900c27eff10 R14: ffffa900c27eff10 R15: ffff9981c61d1000

 5673 08:37:27.417049   [   62.370476]  ? ksys_write+0x68/0xf0

 5674 08:37:27.429944  # [   62.374683]  make_<4>[   66.728517] FS:  00007f0d70716580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 5675 08:37:27.430101  task_dead+0x2f/0x30

 5676 08:37:27.443427  # [   62.379083]  rewind_stack_and_make_dea<4>[   66.728521] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5677 08:37:27.450152  <4>[   66.728525] CR2: 00007f0d70520000 CR3: 0000000105376000 CR4: 00000000003506e0

 5678 08:37:27.450299  d+0x17/0x20

 5679 08:37:27.456397  # [   62.384654] RIP: 0033:0x7f3c174b8473

 5680 08:37:27.459941  # [   62<4>[   66.728528] Call Trace:

 5681 08:37:27.463200  <4>[   66.728548]  ? __warn+0x80/0x110

 5682 08:37:27.476136  .388957] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff f<4>[   66.728558]  ? refcount_warn_saturate+0x97/0x110

 5683 08:37:27.486165  f ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00<4>[   66.728565]  ? report_bug+0x9e/0xc0

 5684 08:37:27.495860   00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2<4>[   66.728575]  ? handle_bug+0x41/0x90

 5685 08:37:27.499297  8 48 89 54 24 18

 5686 08:37:27.506128  # [   62.410308] RSP: 002b:00007ffcc9846d58 EF<4>[   66.728580]  ? exc_invalid_op+0x14/0x70

 5687 08:37:27.515889  LAGS: 00000246 ORIG_RAX: 0000000000000001<4>[   66.728594]  ? asm_exc_invalid_op+0x12/0x20

 5688 08:37:27.522342  <6>[   66.745995] platform MX98357A:00: deferred probe pending

 5689 08:37:27.522432  

 5690 08:37:27.529182  <4>[   66.757718]  ? refcount_warn_saturate+0x97/0x110

 5691 08:37:27.532339  <4>[   66.757726]  ? refcount_warn_saturate+0x97/0x110

 5692 08:37:27.539181  <4>[   66.757732]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5693 08:37:27.552318  # [   62.419102] RAX: ffffffffffffffda RBX: 0000000000000009 RCX<4>[   66.757740]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 5694 08:37:27.559141  : 00007f3c174b8473<4>[   66.757754]  direct_entry.cold+0x2c/0x38

 5695 08:37:27.559273  

 5696 08:37:27.565432  <6>[   66.772286] pci 0000:00:1b.0: deferred probe pending

 5697 08:37:27.568677  <4>[   66.786809]  full_proxy_write+0x56/0x80

 5698 08:37:27.572113  <4>[   66.786820]  vfs_write+0xea/0x3b0

 5699 08:37:27.581960  # [   62.427400] RDX: 0000000000000009 RSI: 00007f3c173ac000 RDI<4>[   66.947062]  ksys_write+0x68/0xf0

 5700 08:37:27.585165  : 0000000000000001

 5701 08:37:27.595174  # [   62.435700] RBP: 00007f3c173ac000 R08: <4>[   66.957307]  do_syscall_64+0x33/0x40

 5702 08:37:27.598451  00007f3c173ab010 R09: 0000000000000000

 5703 08:37:27.605210  # [   62.443999] R10: ff<4>[   66.967837]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5704 08:37:27.611846  fffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5705 08:37:27.614977  <4>[   66.980048] RIP: 0033:0x7f0d7062c473

 5706 08:37:27.644661  # [   62.452295] R13: 0000000000000001 R14: 0000000000020000 R15<4>[   66.990208] 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

 5707 08:37:27.654647  : 0000000000020000<4>[   67.017798] RSP: 002b:00007ffc5a3ba708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5708 08:37:27.654767  

 5709 08:37:27.664485  <4>[   67.028341] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0d7062c473

 5710 08:37:27.671131  <4>[   67.036841] RDX: 000000000000001f RSI: 00007f0d70520000 RDI: 0000000000000001

 5711 08:37:27.684387  # WRITE_RO: saw 'call trace:': ok<4>[   67.045156] RBP: 00007f0d70520000 R08: 00007f0d7051f010 R09: 0000000000000000

 5712 08:37:27.690789  <4>[   67.056688] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5713 08:37:27.690969  

 5714 08:37:27.700945  <4>[   67.065013] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5715 08:37:27.703931  <4>[   67.073519] irq event stamp: 0

 5716 08:37:27.714107  ok 39 selftests: lkdtm: WRITE_RO.sh<4>[   67.077256] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5717 08:37:27.723824  <4>[   67.088005] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5718 08:37:27.724022  

 5719 08:37:27.734013  <4>[   67.097490] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5720 08:37:27.740290  <4>[   67.107166] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5721 08:37:27.750413  # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh<4>[   67.114513] ---[ end trace f420f41c7bc8ced1 ]---

 5722 08:37:27.757178  <6>[   67.124093] lkdtm: Overflow detected: saturated

 5723 08:37:27.757295  

 5724 08:37:27.757362  # Killed

 5725 08:37:27.763713  # [   62.826098] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 5726 08:37:27.770280  # [   62.835526] lkdtm: attempting bad ro_after_init write at ffffffff8b0a0350

 5727 08:37:27.780316  # [   62.843485] BUG: unable to handle page fault for address: ffffffff8b0a0350

 5728 08:37:27.786968  # [   62.857718] #PF: supervisor write access in kernel mode

 5729 08:37:27.793435  # [   62.863869] #PF: error_code(0x0003) - permissions violation

 5730 08:37:27.800025  # [   62.870407] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 105370163 PTE 8000000148ea0061

 5731 08:37:27.806728  # [   62.879791] Oops: 0003 [#15] SMP PTI

 5732 08:37:27.813415  # [   62.884084] CPU: 0 PID: 1937 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5733 08:37:27.820039  # [   62.893050] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5734 08:37:27.826442  # [   62.899990] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5735 08:37:27.849601  # [   62.906343] Code: b1 01 8b e9 52 d9 fb ff 48 c7 c7 b0 b1 01 8b e8 46 d9 fb ff 48 8b 05 ea cb 25 01 ba 34 12 cd ab 48 c7 c7 58 b1 01 8b 48 31 d0 <48> 89 05 d4 cb 25 01 e9 24 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 5736 08:37:27.852815  # [   62.927703] RSP: 0018:ffffa900c25d7e60 EFLAGS: 00010202

 5737 08:37:27.863025  # [   62.933862] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 5738 08:37:27.869652  # [   62.942157] RDX: 00000000abcd1234 RSI: ffff99823bc1bf50 RDI: ffffffff8b01b158

 5739 08:37:27.879471  # [   62.950449] RBP: ffffffff8b01a34e R08: 0000000000000000 R09: 0000000000000000

 5740 08:37:27.886202  # [   62.958743] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 5741 08:37:27.896202  # [   62.967035] R13: ffffa900c25d7f10 R14: ffffa900c25d7f10 R15: ffff9981c3119000

 5742 08:37:27.905842  # [   62.975323] FS:  00007fb6f6e8e580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 5743 08:37:27.912557  # [   62.984673] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5744 08:37:27.919102  # [   62.991409] CR2: ffffffff8b0a0350 CR3: 0000000105b60000 CR4: 00000000003506f0

 5745 08:37:27.922636  # [   62.999695] Call Trace:

 5746 08:37:27.925767  # [   63.002737]  ? __die_body.cold+0x1a/0x1f

 5747 08:37:27.932328  # [   63.007432]  ? no_context+0x177/0x380

 5748 08:37:27.935763  # [   63.011837]  ? exc_page_fault+0xd7/0x170

 5749 08:37:27.942425  # [   63.016534]  ? asm_exc_page_fault+0x1e/0x30

 5750 08:37:27.945644  # [   63.021525]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5751 08:37:27.952331  # [   63.027190]  direct_entry.cold+0x2c/0x38

 5752 08:37:27.955427  # [   63.031886]  full_proxy_write+0x56/0x80

 5753 08:37:27.959017  # [   63.036478]  vfs_write+0xea/0x3b0

 5754 08:37:27.962220  # [   63.040489]  ksys_write+0x68/0xf0

 5755 08:37:27.968768  # [   63.044498]  do_syscall_64+0x33/0x40

 5756 08:37:27.972244  # [   63.048800]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5757 08:37:27.978522  # [   63.054761] RIP: 0033:0x7fb6f6da4473

 5758 08:37:27.998439  # [   63.059061] 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

 5759 08:37:28.008457  # [   63.080409] RSP: 002b:00007ffc68e58248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5760 08:37:28.015069  # [   63.089192] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fb6f6da4473

 5761 08:37:28.025108  # [   63.097477] RDX: 0000000000000014 RSI: 00007fb6f6c98000 RDI: 0000000000000001

 5762 08:37:28.031687  # [   63.105768] RBP: 00007fb6f6c98000 R08: 00007fb6f6c97010 R09: 0000000000000000

 5763 08:37:28.041813  # [   63.114061] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5764 08:37:28.048393  # [   63.122346] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5765 08:37:28.094562  # [   63.130625] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstor<6>[   67.455452] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 5766 08:37:28.101121  <6>[   67.468282] lkdtm: attempting bad refcount_add_not_zero() overflow

 5767 08:37:28.104345  e coreboot_table

 5768 08:37:28.107750  # [   63.177072] CR2: ffffffff8b0a0350

 5769 08:37:28.114293  # [   <4>[   67.475549] ------------[ cut here ]------------

 5770 08:37:28.117732  63.181082] ---[ end trace f420f41c7bc8cecd ]---

 5771 08:37:28.124199  # [   63.186552<4>[   67.487286] refcount_t: saturated; leaking memory.

 5772 08:37:28.127817  ] RIP: 0010:lkdtm_BUG+0x5/0x10

 5773 08:37:28.140949  # [   63.191233] Code: 89 ff e8 <4>[   67.499267] WARNING: CPU: 1 PID: 2112 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5774 08:37:28.187076  5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 c<4>[   67.515240] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5775 08:37:28.203347  c cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 <4>[   67.561721] CPU: 1 PID: 2112 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5776 08:37:28.210042  0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 5777 08:37:28.216886  # [   <4>[   67.576953] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5778 08:37:28.223119  <4>[   67.590147] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5779 08:37:28.243058  <4>[   67.596324] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 8a c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7

 5780 08:37:28.249604  <4>[   67.617704] RSP: 0018:ffffa900c289fe38 EFLAGS: 00010282

 5781 08:37:28.259372  <4>[   67.623878] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5782 08:37:28.266322  <4>[   67.632199] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50

 5783 08:37:28.275830  <4>[   67.640520] RBP: ffffffff8b019fe0 R08: 0000000000000000 R09: 0000000000000000

 5784 08:37:28.282711  <4>[   67.648840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5785 08:37:28.292392  <4>[   67.657159] R13: ffffa900c289ff10 R14: ffffa900c289ff10 R15: ffff9981c629b000

 5786 08:37:28.302363  <4>[   67.665468] FS:  00007f18a5a37580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 5787 08:37:28.308945  <4>[   67.674851] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5788 08:37:28.315394  <4>[   67.681609] CR2: 00007f18a5841000 CR3: 0000000105854000 CR4: 00000000003506e0

 5789 08:37:28.318738  <4>[   67.689926] Call Trace:

 5790 08:37:28.325381  63.212588] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 5791 08:37:28.328803  # [   63<4>[   67.692997]  ? __warn+0x80/0x110

 5792 08:37:28.335215  <4>[   67.703175]  ? refcount_warn_saturate+0x97/0x110

 5793 08:37:28.338692  <4>[   67.708672]  ? report_bug+0x9e/0xc0

 5794 08:37:28.341779  <4>[   67.712905]  ? handle_bug+0x41/0x90

 5795 08:37:28.348307  <4>[   67.717137]  ? exc_invalid_op+0x14/0x70

 5796 08:37:28.351706  <4>[   67.721758]  ? asm_exc_invalid_op+0x12/0x20

 5797 08:37:28.364705  .218739] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 000000<4>[   67.726773]  ? refcount_warn_saturate+0x97/0x110

 5798 08:37:28.364790  0000000000

 5799 08:37:28.378312  # [   63.227035] RDX: 0000000000000000 RSI: ffff9982<4>[   67.738511]  ? refcount_warn_saturate+0x97/0x110

 5800 08:37:28.378394  3bc1bf50 RDI: ffffffff8ab94030

 5801 08:37:28.388327  # [   63.235332] RBP: ffffffff8b<4>[   67.750226]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5802 08:37:28.394901  07e9e8 R08: 0000000000000001 R09: 0000000000000001

 5803 08:37:28.401458  # [   63.243<4>[   67.762908]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 5804 08:37:28.414684  626] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000<4>[   67.775696]  direct_entry.cold+0x2c/0x38

 5805 08:37:28.414790  000004

 5806 08:37:28.424474  # [   63.251917] R13: ffffa900c122ff10 R14: ffffa900c122<4>[   67.786630]  full_proxy_write+0x56/0x80

 5807 08:37:28.427743  ff10 R15: ffff9981c3436000

 5808 08:37:28.431220  <4>[   67.797467]  vfs_write+0xea/0x3b0

 5809 08:37:28.440953  # [   63.260210] FS:  00007fb6f6e8e580(0000) GS:ffff99823bc00000<4>[   67.804205]  ksys_write+0x68/0xf0

 5810 08:37:28.447446  (0000) knlGS:0000000000000000<4>[   67.814461]  do_syscall_64+0x33/0x40

 5811 08:37:28.447549  

 5812 08:37:28.454290  <4>[   67.821594]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5813 08:37:28.457429  <4>[   67.827750] RIP: 0033:0x7f18a594d473

 5814 08:37:28.487114  # [   63.269559] CS:  0010 DS: 0000 ES: 0000 CR0: 00000000800500<4>[   67.832075] 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

 5815 08:37:28.493848  33<4>[   67.859668] RSP: 002b:00007ffd2672b668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5816 08:37:28.493937  

 5817 08:37:28.503659  <4>[   67.868653] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f18a594d473

 5818 08:37:28.516877  # [   63.276287] CR2: ffffffff8b0a0350 CR3: 0000000105b60000 CR4<4>[   67.877150] RDX: 000000000000001f RSI: 00007f18a5841000 RDI: 0000000000000001

 5819 08:37:28.526828  : 00000000003506f0<4>[   67.891688] RBP: 00007f18a5841000 R08: 00007f18a5840010 R09: 0000000000000000

 5820 08:37:28.526913  

 5821 08:37:28.537055  <4>[   67.901747] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5822 08:37:28.550298  # [   63.284577] BUG: sleeping function called from invalid cont<4>[   67.910244] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5823 08:37:28.553467  ext at include/linux/percpu-rwsem.h:49

 5824 08:37:28.560096  # [   63.294818] in_atom<4>[   67.924792] irq event stamp: 0

 5825 08:37:28.573377  ic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1937, name: cat<4>[   67.934737] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5826 08:37:28.573481  

 5827 08:37:28.583299  <4>[   67.948199] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5828 08:37:28.593008  <4>[   67.957863] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5829 08:37:28.606462  # [   63.303589] INFO: lockdep is turned off.<4>[   67.967347] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5830 08:37:28.606567  

 5831 08:37:28.609735  <4>[   67.979060] ---[ end trace f420f41c7bc8ced2 ]---

 5832 08:37:28.616550  # [   63.308275] irq event stamp: 0

 5833 08:37:28.622984  # [   63.311987] hardirqs l<6>[   67.984726] lkdtm: Overflow detected: saturated

 5834 08:37:28.626116  ast  enabled at (0): [<0000000000000000>] 0x0

 5835 08:37:28.636233  # [   63.319302] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5836 08:37:28.645842  # [   63.328761] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5837 08:37:28.652687  # [   63.338227] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5838 08:37:28.662974  # [   63.345549] CPU: 0 PID: 1937 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5839 08:37:28.669405  # [   63.354526] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5840 08:37:28.672271  # [   63.361459] Call Trace:

 5841 08:37:28.675858  # [   63.364499]  dump_stack+0x77/0x9b

 5842 08:37:28.679012  # [   63.368512]  ___might_sleep.cold+0xa6/0xb6

 5843 08:37:28.685781  # [   63.373404]  exit_signals+0x1c/0x300

 5844 08:37:28.689342  # [   63.377709]  do_exit+0xc2/0xab0

 5845 08:37:28.692437  # [   63.381528]  ? ksys_write+0x68/0xf0

 5846 08:37:28.695594  # [   63.385733]  make_task_dead+0x2f/0x30

 5847 08:37:28.702310  # [   63.390121]  rewind_stack_and_make_dead+0x17/0x20

 5848 08:37:28.705805  # [   63.395688] RIP: 0033:0x7fb6f6da4473

 5849 08:37:28.728742  # [   63.399989] 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

 5850 08:37:28.735555  # [   63.421346] RSP: 002b:00007ffc68e58248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5851 08:37:28.745422  # [   63.430135] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fb6f6da4473

 5852 08:37:28.752017  # [   63.438430] RDX: 0000000000000014 RSI: 00007fb6f6c98000 RDI: 0000000000000001

 5853 08:37:28.762041  # [   63.446726] RBP: 00007fb6f6c98000 R08: 00007fb6f6c97010 R09: 0000000000000000

 5854 08:37:28.768623  # [   63.455023] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5855 08:37:28.778688  # [   63.463317] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5856 08:37:28.781812  # WRITE_RO_AFTER_INIT: saw 'call trace:': ok

 5857 08:37:28.785351  ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 5858 08:37:28.788259  # selftests: lkdtm: WRITE_KERN.sh

 5859 08:37:28.791944  # Killed

 5860 08:37:28.798308  # [   63.826011] lkdtm: Performing direct entry WRITE_KERN

 5861 08:37:28.804727  # [   63.833327] lkdtm: attempting bad 7106710 byte write at ffffffff89e43686

 5862 08:37:28.811567  # [   63.841192] BUG: unable to handle page fault for address: ffffffff89e43686

 5863 08:37:28.818236  # [   63.849203] #PF: supervisor write access in kernel mode

 5864 08:37:28.824840  # [   63.855347] #PF: error_code(0x0003) - permissions violation

 5865 08:37:28.831478  # [   63.868123] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 147c001e1 

 5866 08:37:28.834574  # [   63.875553] Oops: 0003 [#16] SMP PTI

 5867 08:37:28.844766  # [   63.879857] CPU: 2 PID: 1973 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5868 08:37:28.851433  # [   63.888836] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5869 08:37:28.857955  # [   63.895774] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 5870 08:37:28.877763  # [   63.901246] Code: 53 48 c7 c3 86 36 e4 89 49 89 dc 48 89 da 49 81 ec f0 c5 77 89 4c 89 e6 e8 f9 d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 f0 c5 77 89 <f3> a4 48 c7 c7 58 b1 01 8b e8 de d8 fb ff 5b 41 5c e9 b7 fe ff ff

 5871 08:37:28.884294  # [   63.922589] RSP: 0018:ffffa900c265fe50 EFLAGS: 00010246

 5872 08:37:28.894148  # [   63.928744] RAX: 000000000000003c RBX: ffffffff89e43686 RCX: 00000000006c7096

 5873 08:37:28.900808  # [   63.937040] RDX: 0000000000000000 RSI: ffffffff8977c5f0 RDI: ffffffff89e43686

 5874 08:37:28.910677  # [   63.945337] RBP: ffffffff8b01a362 R08: 0000000000000000 R09: 0000000000000000

 5875 08:37:28.917572  # [   63.953634] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c7096

 5876 08:37:28.923939  # [   63.961929] R13: ffffa900c265ff10 R14: ffffa900c265ff10 R15: ffff9981c2ef2000

 5877 08:37:28.933926  # [   63.970228] FS:  00007fc00f9b6580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 5878 08:37:28.940635  # [   63.979599] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5879 08:37:28.953734  # [   63.986333] CR2: ffffffff89e43686 CR3: 00000001031e20<6>[   68.318247] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 5880 08:37:28.960733  <6>[   68.327400] lkdtm: attempting good refcount_dec()

 5881 08:37:28.966901  <6>[   68.332994] lkdtm: attempting bad refcount_dec() to zero

 5882 08:37:28.970463  <4>[   68.339288] ------------[ cut here ]------------

 5883 08:37:28.973909  00 CR4: 00000000003506e0

 5884 08:37:28.976872  # [   63.994628] Call Trace:

 5885 08:37:28.983841  # [   63<4>[   68.344780] refcount_t: decrement hit 0; leaking memory.

 5886 08:37:28.986787  .997676]  ? __die_body.cold+0x1a/0x1f

 5887 08:37:29.000185  # [   64.002367]  ? no_co<4>[   68.357328] WARNING: CPU: 1 PID: 2145 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5888 08:37:29.000274  ntext+0x177/0x380

 5889 08:37:29.046352  # [   64.006773]  ? lkdtm_SLAB_FREE_CROSS.col<4>[   68.373313] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5890 08:37:29.056198  <4>[   68.419768] CPU: 1 PID: 2145 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5891 08:37:29.062902  <4>[   68.428770] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5892 08:37:29.069254  <4>[   68.435731] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5893 08:37:29.089223  <4>[   68.441906] Code: a8 4e f7 8a c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e f7 8a c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5894 08:37:29.095915  <4>[   68.463288] RSP: 0018:ffffa900c294fe48 EFLAGS: 00010286

 5895 08:37:29.102561  <4>[   68.469466] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 5896 08:37:29.112366  <4>[   68.477784] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50

 5897 08:37:29.122166  <4>[   68.486103] RBP: ffffffff8b01a399 R08: 0000000000000000 R09: 0000000000000000

 5898 08:37:29.129049  <4>[   68.494425] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5899 08:37:29.138911  <4>[   68.502741] R13: ffffa900c294ff10 R14: ffffa900c294ff10 R15: ffff9981c3765000

 5900 08:37:29.145338  <4>[   68.511064] FS:  00007f8822990580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 5901 08:37:29.152024  <4>[   68.520454] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5902 08:37:29.162194  <4>[   68.527213] CR2: 00007f882279a000 CR3: 0000000103002000 CR4: 00000000003506e0

 5903 08:37:29.165608  <4>[   68.535532] Call Trace:

 5904 08:37:29.168478  <4>[   68.538604]  ? __warn+0x80/0x110

 5905 08:37:29.168564  d+0x32/0x32

 5906 08:37:29.175248  # [   64.018771]  ? exc_page_fault+0xd7/0x170

 5907 08:37:29.181875  # [ <4>[   68.542545]  ? refcount_warn_saturate+0xfb/0x110

 5908 08:37:29.185178  <4>[   68.554245]  ? report_bug+0x9e/0xc0

 5909 08:37:29.188305  <4>[   68.558477]  ? handle_bug+0x41/0x90

 5910 08:37:29.195125  <4>[   68.562703]  ? exc_invalid_op+0x14/0x70

 5911 08:37:29.198373  <4>[   68.567320]  ? asm_exc_invalid_op+0x12/0x20

 5912 08:37:29.201877    64.023468]  ? asm_exc_page_fault+0x1e/0x30

 5913 08:37:29.211520  # [   64.028453]  <4>[   68.572338]  ? refcount_warn_saturate+0xfb/0x110

 5914 08:37:29.214903  <4>[   68.584073]  ? refcount_warn_saturate+0xfb/0x110

 5915 08:37:29.221535  <4>[   68.589563]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 5916 08:37:29.224629  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5917 08:37:29.231608  # [   64.034222]  ? lkdt<4>[   68.594862]  direct_entry.cold+0x2c/0x38

 5918 08:37:29.234834  m_SLAB_FREE_PAGE+0x40/0x40

 5919 08:37:29.241516  # [   64.039399]  ? lkdtm_SLAB_FREE_<4>[   68.605813]  full_proxy_write+0x56/0x80

 5920 08:37:29.248134  <4>[   68.616646]  vfs_write+0xea/0x3b0

 5921 08:37:29.248217  CROSS.cold+0x32/0x32

 5922 08:37:29.258041  # [   64.045168]  ? lkdtm_WRITE_KERN+0x38/<4>[   68.620687]  ksys_write+0x68/0xf0

 5923 08:37:29.261321  <4>[   68.630918]  do_syscall_64+0x33/0x40

 5924 08:37:29.267686  <4>[   68.635251]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5925 08:37:29.267769  0x4e

 5926 08:37:29.270978  # [   64.049962]  direct_entry.cold+0x2c/0x38

 5927 08:37:29.277626  # [   64.05<4>[   68.641237] RIP: 0033:0x7f88228a6473

 5928 08:37:29.280811  4657]  full_proxy_write+0x56/0x80

 5929 08:37:29.304338  # [   64.059256]  vfs_write+0<4>[   68.651774] 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

 5930 08:37:29.307580  xea/0x3b0

 5931 08:37:29.310821  # [   64.063269]  ksys_write+0x68/0xf0

 5932 08:37:29.320565  # [   64.0672<4>[   68.679373] RSP: 002b:00007ffcffd21588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5933 08:37:29.323955  85]  do_syscall_64+0x33/0x40

 5934 08:37:29.333992  # [   64.071593]  entry_SYSCALL_64<4>[   68.694391] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f88228a6473

 5935 08:37:29.337524  _after_hwframe+0x62/0xc7

 5936 08:37:29.350546  # [   64.077552] RIP: 0033:0x7fc00f8cc<4>[   68.708927] RDX: 0000000000000012 RSI: 00007f882279a000 RDI: 0000000000000001

 5937 08:37:29.350634  473

 5938 08:37:29.363987  # [   64.081851] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 <4>[   68.723455] RBP: 00007f882279a000 R08: 00007f8822799010 R09: 0000000000000000

 5939 08:37:29.380345  c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 7<4>[   68.737998] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5940 08:37:29.393359  5 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 <4>[   68.752537] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5941 08:37:29.396917  00 48 83 ec 28 48 89 54 24 18

 5942 08:37:29.403506  # [   64.103208] RSP: 002b:00007f<4>[   68.767096] irq event stamp: 0

 5943 08:37:29.409868  fc533eb1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5944 08:37:29.416633  <4>[   68.777045] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5945 08:37:29.433098  # [   64.111998] RAX: ffffffffffffffda RBX: 000000000000000b RCX<4>[   68.789834] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5946 08:37:29.433204  : 00007fc00f8cc473

 5947 08:37:29.446566  # [   64.120293] RDX: 000000000000000b RSI: <4>[   68.805539] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5948 08:37:29.453253  00007fc00f7c0000 RDI: 0000000000000001

 5949 08:37:29.459652  # [   64.128588] RBP: 00<4>[   68.821237] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5950 08:37:29.466177  007fc00f7c0000 R08: 00007fc00f7bf010 R09: 0000000000000000

 5951 08:37:29.472889  # [ <4>[   68.834805] ---[ end trace f420f41c7bc8ced3 ]---

 5952 08:37:29.482783    64.136885] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00<6>[   68.846518] lkdtm: Zero detected: saturated

 5953 08:37:29.485892  00000000000001

 5954 08:37:29.492491  # [   64.145182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5955 08:37:29.532514  # [   64.153491] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5956 08:37:29.539209  # [   64.199979] CR2: ffffffff89e43686

 5957 08:37:29.542325  # [   64.203992] ---[ end trace f420f41c7bc8cece ]---

 5958 08:37:29.548891  # [   64.209464] RIP: 0010:lkdtm_BUG+0x5/0x10

 5959 08:37:29.568630  # [   64.214158] Code: 89 ff e8 5e d2 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 d0 9a 2a 03

 5960 08:37:29.575227  # [   64.235517] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282

 5961 08:37:29.582084  # [   64.241675] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000

 5962 08:37:29.592055  # [   64.249969] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030

 5963 08:37:29.598259  # [   64.258268] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001

 5964 08:37:29.608369  # [   64.266566] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5965 08:37:29.615291  # [   64.274864] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000

 5966 08:37:29.625111  # [   64.283164] FS:  00007fc00f9b6580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 5967 08:37:29.631677  # [   64.292531] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5968 08:37:29.641412  # [   64.299271] CR2: ffffffff89e43686 CR3: 00000001031e2000 CR4: 00000000003506e0

 5969 08:37:29.651224  # [   64.307574] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5970 08:37:29.658085  # [   64.317825] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1973, name: cat

 5971 08:37:29.664511  # [   64.326601] INFO: lockdep is turned off.

 5972 08:37:29.667879  # [   64.331288] irq event stamp: 0

 5973 08:37:29.674630  # [   64.335007] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5974 08:37:29.684638  # [   64.342325] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5975 08:37:29.694377  # [   64.351788] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 5976 08:37:29.700878  # [   64.361252] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5977 08:37:29.707587  # [   64.368575] CPU: 2 PID: 1973 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5978 08:37:29.714171  # [   64.377544] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5979 08:37:29.717739  # [   64.384476] Call Trace:

 5980 08:37:29.724343  # [   64.387517]  dump_stack+0x77/0x9b

 5981 08:37:29.727659  # [   64.391533]  ___might_sleep.cold+0xa6/0xb6

 5982 08:37:29.730883  # [   64.396425]  exit_signals+0x1c/0x300

 5983 08:37:29.734053  # [   64.400730]  do_exit+0xc2/0xab0

 5984 08:37:29.740874  # [   64.404547]  ? ksys_write+0x68/0xf0

 5985 08:37:29.744018  # [   64.408754]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5986 08:37:29.750578  # [   64.414517]  make_task_dead+0x2f/0x30

 5987 08:37:29.754117  # [   64.418920]  rewind_stack_and_make_dead+0x17/0x20

 5988 08:37:29.760627  # [   64.424489] RIP: 0033:0x7fc00f8cc473

 5989 08:37:29.780684  # [   64.428792] 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

 5990 08:37:29.790536  # [   64.450135] RSP: 002b:00007ffc533eb1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5991 08:37:29.797111  # [   64.458922] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc00f8cc473

 5992 08:37:29.806752  # [   64.467222] RDX: 000000000000000b RSI: 00007fc00f7c0000 RDI: 0000000000000001

 5993 08:37:29.813573  # [   64.475519] RBP: 00007fc00f7c0000 R08: 00007fc00f7bf010 R09: 0000000000000000

 5994 08:37:29.820105  # [   64.483817] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5995 08:37:29.830154  # [   64.492116] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5996 08:37:29.833296  # WRITE_KERN: saw 'call trace:': ok

 5997 08:37:29.836747  ok 41 selftests: lkdtm: WRITE_KERN.sh

 5998 08:37:29.843712  # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 5999 08:37:29.853313  # [   64.903151] lkdtm: Performing direct entry REFCOUNT_I<6>[   69.217492] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6000 08:37:29.859917  <6>[   69.228260] lkdtm: attempting bad refcount_dec() below zero

 6001 08:37:29.866557  <4>[   69.234856] ------------[ cut here ]------------

 6002 08:37:29.873367  <4>[   69.240351] refcount_t: decrement hit 0; leaking memory.

 6003 08:37:29.883084  <4>[   69.246675] WARNING: CPU: 2 PID: 2181 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6004 08:37:29.883190  NC_OVERFLOW

 6005 08:37:29.929610  # [   64.913162] lkdtm: attempting good refcount_in<4>[   69.256454] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6006 08:37:29.939462  <4>[   69.302863] CPU: 2 PID: 2181 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6007 08:37:29.945987  <4>[   69.311863] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6008 08:37:29.952656  <4>[   69.318819] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6009 08:37:29.972293  <4>[   69.324995] Code: a8 4e f7 8a c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e f7 8a c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6010 08:37:29.975442  c() without overflow

 6011 08:37:29.985595  # [   64.920437] lkdtm: attempting bad ref<4>[   69.346379] RSP: 0018:ffffa900c29cfe48 EFLAGS: 00010286

 6012 08:37:29.988811  count_inc() overflow

 6013 08:37:29.998887  # [   64.926816] ------------[ cut here ]-<4>[   69.358792] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6014 08:37:30.002140  -----------

 6015 08:37:30.015359  # [   64.932306] refcount_t: saturated; leaking mem<4>[   69.373349] RDX: ffff99823bd2c620 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50

 6016 08:37:30.015455  ory.

 6017 08:37:30.028507  # [   64.938045] WARNING: CPU: 2 PID: 2009 at lib/refcount<4>[   69.387887] RBP: ffffffff8b01a3ab R08: 0000000000000000 R09: 0000000000000000

 6018 08:37:30.031681  .c:22 refcount_warn_saturate+0x51/0x110

 6019 08:37:30.041688  # [   64.947828] Module<4>[   69.402430] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6020 08:37:30.058205  s linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros<4>[   69.416981] R13: ffffa900c29cff10 R14: ffffa900c29cff10 R15: ffff9981c2788000

 6021 08:37:30.074831  _ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbp<4>[   69.431522] FS:  00007ff870ec6580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 6022 08:37:30.087869  d_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi <4>[   69.447131] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6023 08:37:30.101251  x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219<4>[   69.460102] CR2: 00007ff870cd0000 CR3: 00000001063f8000 CR4: 00000000003506e0

 6024 08:37:30.111188   snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_co<4>[   69.474645] Call Trace:

 6025 08:37:30.121184  mpress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_tab<4>[   69.483933]  ? __warn+0x80/0x110

 6026 08:37:30.121281  le

 6027 08:37:30.130866  # [   64.994350] CPU: 2 PID: 2009 Comm: cat Tainted: G      <4>[   69.494093]  ? refcount_warn_saturate+0xfb/0x110

 6028 08:37:30.134384  D W         5.10.209-cip44 #1

 6029 08:37:30.144118  # [   65.003354] Hardware name: G<4>[   69.505792]  ? report_bug+0x9e/0xc0

 6030 08:37:30.147547  oogle Coral/Coral, BIOS  09/29/2020

 6031 08:37:30.153870  # [   65.010313] RIP: 0010:<4>[   69.516249]  ? handle_bug+0x41/0x90

 6032 08:37:30.157430  refcount_warn_saturate+0x51/0x110

 6033 08:37:30.163777  # [   65.016498] Code: 84 bc <4>[   69.526690]  ? exc_invalid_op+0x14/0x70

 6034 08:37:30.173978  00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 4<4>[   69.537535]  ? asm_exc_invalid_op+0x12/0x20

 6035 08:37:30.187125  8 c7 c7 f8 4d f7 8a c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b <4>[   69.548768]  ? refcount_warn_saturate+0xfb/0x110

 6036 08:37:30.193535  c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7

 6037 08:37:30.197053  # [<4>[   69.560479]  ? refcount_warn_saturate+0xfb/0x110

 6038 08:37:30.203681     65.037887] RSP: 0018:ffffa900c26efe48 EFLAGS: 00010286

 6039 08:37:30.210169  <4>[   69.572196]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6040 08:37:30.220281  # [   65.044063] RAX: 0000000000000000 RBX: 000000000000002b RCX<4>[   69.583631]  direct_entry.cold+0x2c/0x38

 6041 08:37:30.226766  : 0000000000000000<4>[   69.594562]  full_proxy_write+0x56/0x80

 6042 08:37:30.226851  

 6043 08:37:30.230265  <4>[   69.600920]  vfs_write+0xea/0x3b0

 6044 08:37:30.243181  # [   65.052381] RDX: ffff99823bd2c620 RSI: ffff99823bd1bf50 RDI<4>[   69.605149]  ksys_write+0x68/0xf0

 6045 08:37:30.243267  : ffff99823bd1bf50

 6046 08:37:30.253102  # [   65.060706] RBP: ffffffff8b01a36d R08: <4>[   69.615414]  do_syscall_64+0x33/0x40

 6047 08:37:30.256632  0000000000000000 R09: 0000000000000000

 6048 08:37:30.263268  # [   65.069019] R10: 00<4>[   69.625957]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6049 08:37:30.269917  000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6050 08:37:30.276560  # [ <4>[   69.638152] RIP: 0033:0x7ff870ddc473

 6051 08:37:30.303018    65.077337] R13: ffffa900c26eff10 R14: ffffa900c26eff10 R15: ff<4>[   69.648697] 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

 6052 08:37:30.303114  ff9981c5b10000

 6053 08:37:30.316222  # [   65.085657] FS:  00007f6d8baf2580(0000) GS:<4>[   69.676281] RSP: 002b:00007ffffaa73878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6054 08:37:30.322553  ffff99823bd00000(0000) knlGS:0000000000000000

 6055 08:37:30.329424  <4>[   69.691315] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff870ddc473

 6056 08:37:30.345709  # [   65.095047] CS:  0010 DS: 0000 ES: 0000 CR0: 00000000800500<4>[   69.704204] RDX: 0000000000000016 RSI: 00007ff870cd0000 RDI: 0000000000000001

 6057 08:37:30.352125  33<4>[   69.718752] RBP: 00007ff870cd0000 R08: 00007ff870ccf010 R09: 0000000000000000

 6058 08:37:30.352215  

 6059 08:37:30.368806  # [   65.101808] CR2: 00007f6d8b8fc000 CR3: 0000000104848000 C<4>[   69.727248] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6060 08:37:30.368893  R4: 00000000003506e0

 6061 08:37:30.371922  # [   65.110125] Call Trace:

 6062 08:37:30.381898  # [   65.113<4>[   69.741796] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6063 08:37:30.385148  194]  ? __warn+0x80/0x110

 6064 08:37:30.388655  <4>[   69.756350] irq event stamp: 0

 6065 08:37:30.402007  # [   65.117140]  ? refcount_warn_saturate+0x51/0x110<4>[   69.762692] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6066 08:37:30.402091  

 6067 08:37:30.405234  # [   65.122637]  ? report_bug+0x9e/0xc0

 6068 08:37:30.418262  # [   65.126876]  ? <4>[   69.775195] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6069 08:37:30.418346  handle_bug+0x41/0x90

 6070 08:37:30.428217  <4>[   69.790919] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6071 08:37:30.435063  <4>[   69.802532] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6072 08:37:30.444735  # [   65.131106]  ? exc_invalid_op+0x14/0x70<4>[   69.809873] ---[ end trace f420f41c7bc8ced4 ]---

 6073 08:37:30.444824  

 6074 08:37:30.451545  <6>[   69.819642] lkdtm: Negative detected: saturated

 6075 08:37:30.457977  # [   65.135729]  ? asm_exc_invalid_op+0x12/0x20

 6076 08:37:30.461424  # [   65.140750]  ? refcount_warn_saturate+0x51/0x110

 6077 08:37:30.467854  # [   65.146249]  ? refcount_warn_saturate+0x51/0x110

 6078 08:37:30.471185  # [   65.151747]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 6079 08:37:30.477971  # [   65.157441]  direct_entry.cold+0x2c/0x38

 6080 08:37:30.481417  # [   65.162164]  full_proxy_write+0x56/0x80

 6081 08:37:30.484324  # [   65.166796]  vfs_write+0xea/0x3b0

 6082 08:37:30.491135  # [   65.170828]  ksys_write+0x68/0xf0

 6083 08:37:30.494331  # [   65.174886]  do_syscall_64+0x33/0x40

 6084 08:37:30.500963  # [   65.185409]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6085 08:37:30.504505  # [   65.191399] RIP: 0033:0x7f6d8ba08473

 6086 08:37:30.524365  # [   65.195726] 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

 6087 08:37:30.534126  # [   65.217111] RSP: 002b:00007ffdf93dc0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6088 08:37:30.541049  # [   65.225919] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6d8ba08473

 6089 08:37:30.550639  # [   65.234230] RDX: 0000000000000016 RSI: 00007f6d8b8fc000 RDI: 0000000000000001

 6090 08:37:30.557563  # [   65.242541] RBP: 00007f6d8b8fc000 R08: 00007f6d8b8fb010 R09: 0000000000000000

 6091 08:37:30.567174  # [   65.250859] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6092 08:37:30.573675  # [   65.259185] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6093 08:37:30.577282  # [   65.267515] irq event stamp: 0

 6094 08:37:30.587003  # [   65.271256] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6095 08:37:30.593612  # [   65.278606] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6096 08:37:30.603666  # [   65.288092] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6097 08:37:30.610115  # [   65.297584] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6098 08:37:30.616913  # [   65.304929] ---[ end trace f420f41c7bc8cecf ]---

 6099 08:37:30.623377  # [   65.310420] lkdtm: Overflow detected: saturated

 6100 08:37:30.626597  # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok

 6101 08:37:30.633304  ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 6102 08:37:30.636531  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6103 08:37:30.642979  # [   65.641645] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 6104 08:37:30.649710  # [   65.653576] lkdtm: attempting good refcount_add() without overflow

 6105 08:37:30.656445  # [   65.660837] lkdtm: attempting bad refcount_add() overflow

 6106 08:37:30.662980  # [   65.673439] ------------[ cut here ]------------

 6107 08:37:30.666474  # [   65.678919] refcount_t: saturated; leaking memory.

 6108 08:37:30.676264  # [   65.684658] WARNING: CPU: 1 PID: 2042 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6109 08:37:30.715999  # [   65.700674] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6110 08:37:30.726016  # [   65.747130] CPU: 1 PID: 2042 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6111 08:37:30.732423  # [   65.762371] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6112 08:37:30.739261  # [   65.775563] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6113 08:37:30.758959  # [   65.781737] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d f7 8a c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7

 6114 08:37:30.765715  # [   65.803117] RSP: 0018:ffffa900c2747e48 EFLAGS: 00010286

 6115 08:37:30.775783  # [   65.809293] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 6116 08:37:30.782030  # [   65.817617] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50

 6117 08:37:30.792224  # [   65.825935] RBP: ffffffff8b01a383 R08: 0000000000000000 R09: 0000000000000000

 6118 08:37:30.798992  # [   65.834250] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6119 08:37:30.805628  # [   65.842563] R13: ffffa900c2747f10 R14: ffffa900c2747f10 R15: ffff9981c2eed000

 6120 08:37:30.815423  # [   65.850885] FS:  00007ff2c36dd580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 6121 08:37:30.825317  # [   65.860283] CS: <6>[   70.189313] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6122 08:37:30.831879   0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6123 08:37:30.838356  # [   65.867040] <6>[   70.199971] lkdtm: attempting bad refcount_dec_and_test() below zero

 6124 08:37:30.851874  CR2: 00007ff2c34e7000 CR3: 00000001061b2000 CR4: 00000000003506e<4>[   70.213679] ------------[ cut here ]------------

 6125 08:37:30.851965  0

 6126 08:37:30.855029  # [   65.875354] Call Trace:

 6127 08:37:30.864994  # [   65.884654]  ? __warn+0x80<4>[   70.225379] refcount_t: underflow; use-after-free.

 6128 08:37:30.865078  /0x110

 6129 08:37:30.868338  # [   65.894832]  ? refcount_warn_saturate+0x51/0x110

 6130 08:37:30.878240  #<4>[   70.237336] WARNING: CPU: 3 PID: 2217 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6131 08:37:30.884784   [   65.900330]  ? report_bug+0x9e/0xc0

 6132 08:37:30.924475  # [   65.904561]  ? han<4>[   70.253355] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6133 08:37:30.927719  dle_bug+0x41/0x90

 6134 08:37:30.931196  # [   65.908789]  ? exc_invalid_op+0x14/0x70

 6135 08:37:30.940827  <4>[   70.299771] CPU: 3 PID: 2217 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6136 08:37:30.940916  

 6137 08:37:30.947670  # [   65.913406]  ? asm_exc_invalid_op+0x12/0x20

 6138 08:37:30.954410  # [   65.9184<4>[   70.314943] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6139 08:37:30.957683  26]  ? refcount_warn_saturate+0x51/0x110

 6140 08:37:30.967373  # [   65.923915]  ? re<4>[   70.328152] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6141 08:37:30.970778  fcount_warn_saturate+0x51/0x110

 6142 08:37:30.993811  # [   65.935623]  lkdtm_REFCOUN<4>[   70.340530] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 8a c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7

 6143 08:37:30.997268  T_ADD_OVERFLOW+0x7f/0xa7

 6144 08:37:31.007107  # [   65.947555]  direct_entry.cold+0x<4>[   70.368149] RSP: 0018:ffffa900c2a5fe40 EFLAGS: 00010286

 6145 08:37:31.007196  2c/0x38

 6146 08:37:31.013899  # [   65.958526]  full_proxy_write+0x56/0x80

 6147 08:37:31.020272  # [   65.<4>[   70.380528] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6148 08:37:31.023846  969363]  vfs_write+0xea/0x3b0

 6149 08:37:31.036670  # [   65.979601]  ksys_write+0x68<4>[   70.395075] RDX: ffff99823bdac620 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50

 6150 08:37:31.036758  /0xf0

 6151 08:37:31.040048  # [   65.989882]  do_syscall_64+0x33/0x40

 6152 08:37:31.050287  # [   66.00039<4>[   70.409635] RBP: ffffffff8b01a000 R08: 0000000000000000 R09: 0000000000000000

 6153 08:37:31.056680  9]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6154 08:37:31.066684  # [   66.012566] R<4>[   70.424160] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6155 08:37:31.066770  IP: 0033:0x7ff2c35f3473

 6156 08:37:31.079831  # [   66.023110] Code: 8b 15 21 2a 0e 0<4>[   70.438726] R13: ffffa900c2a5ff10 R14: ffffa900c2a5ff10 R15: ffff9981c4d9c000

 6157 08:37:31.096461  0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25<4>[   70.453258] FS:  00007f77aa400580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 6158 08:37:31.109587   18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff f<4>[   70.468898] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6159 08:37:31.112971  f 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6160 08:37:31.122479  # [   66.0507<4>[   70.481923] CR2: 00007f77aa20a000 CR3: 00000001061c0000 CR4: 00000000003506e0

 6161 08:37:31.132661  01] RSP: 002b:00007ffc5745d7f8 EFLAGS: 00000246 ORIG_RAX: 000000<4>[   70.496741] Call Trace:

 6162 08:37:31.132754  0000000001

 6163 08:37:31.142426  # [   66.065731] RAX: ffffffffffffffda RBX: 00000000<4>[   70.505800]  ? __warn+0x80/0x110

 6164 08:37:31.146076  00000016 RCX: 00007ff2c35f3473

 6165 08:37:31.152649  # [   66.080278] RDX: 0000000000<4>[   70.516088]  ? refcount_warn_saturate+0xba/0x110

 6166 08:37:31.158982  000016 RSI: 00007ff2c34e7000 RDI: 0000000000000001

 6167 08:37:31.165805  # [   66.094<4>[   70.527644]  ? report_bug+0x9e/0xc0

 6168 08:37:31.175593  811] RBP: 00007ff2c34e7000 R08: 00007ff2c34e6010 R09: 0000000000<4>[   70.538222]  ? handle_bug+0x41/0x90

 6169 08:37:31.175683  000000

 6170 08:37:31.185406  # [   66.109353] R10: fffffffffffffbc5 R11: 000000000000<4>[   70.548661]  ? exc_invalid_op+0x14/0x70

 6171 08:37:31.188705  0246 R12: 0000000000000001

 6172 08:37:31.195457  # [   66.123890] R13: 00000000000000<4>[   70.559387]  ? asm_exc_invalid_op+0x12/0x20

 6173 08:37:31.202004  01 R14: 0000000000020000 R15: 0000000000020000

 6174 08:37:31.208923  # [   66.138429]<4>[   70.570714]  ? refcount_warn_saturate+0xba/0x110

 6175 08:37:31.212112   irq event stamp: 0

 6176 08:37:31.221919  # [   66.148367] hardirqs last  enabled at <4>[   70.582335]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6177 08:37:31.225110  (0): [<0000000000000000>] 0x0

 6178 08:37:31.235157  # [   66.161910] hardirqs last di<4>[   70.595202]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6179 08:37:31.241540  sabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6180 08:37:31.244815  #<4>[   70.607963]  direct_entry.cold+0x2c/0x38

 6181 08:37:31.254584   [   66.177603] softirqs last  enabled at (0): [<ffffffff88cfd6d<4>[   70.618885]  full_proxy_write+0x56/0x80

 6182 08:37:31.258007  c>] copy_process+0x65c/0x20e0

 6183 08:37:31.264692  # [   66.193290] softirqs last di<4>[   70.629635]  vfs_write+0xea/0x3b0

 6184 08:37:31.271412  sabled at (0): [<0000000000000000>] 0x0

 6185 08:37:31.277730  # [   66.206836] ---[ e<4>[   70.639938]  ksys_write+0x68/0xf0

 6186 08:37:31.281285  nd trace f420f41c7bc8ced0 ]---

 6187 08:37:31.287879  # [   66.218540] lkdtm: Overflow<4>[   70.650138]  do_syscall_64+0x33/0x40

 6188 08:37:31.287964   detected: saturated

 6189 08:37:31.297805  # REFCOUNT_ADD_OVERFLOW: saw 'call trace:'<4>[   70.660713]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6190 08:37:31.300905  : ok

 6191 08:37:31.304368  ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6192 08:37:31.310770  # selfte<4>[   70.672881] RIP: 0033:0x7f77aa316473

 6193 08:37:31.314009  sts: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6194 08:37:31.337329  # [   66.553222] <4>[   70.683453] 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

 6195 08:37:31.343710  lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 6196 08:37:31.353430  #<4>[   70.711015] RSP: 002b:00007ffda0bc0788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6197 08:37:31.366818   [   66.562455] lkdtm: attempting bad refcount_inc_not_zero() ov<4>[   70.726157] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f77aa316473

 6198 08:37:31.366919  erflow

 6199 08:37:31.373712  # [   66.569723] ------------[ cut here ]------------

 6200 08:37:31.380134  #<4>[   70.740699] RDX: 000000000000001f RSI: 00007f77aa20a000 RDI: 0000000000000001

 6201 08:37:31.386912   [   66.581455] refcount_t: saturated; leaking memory.

 6202 08:37:31.396531  # [   66<4>[   70.755284] RBP: 00007f77aa20a000 R08: 00007f77aa209010 R09: 0000000000000000

 6203 08:37:31.410048  .587198] WARNING: CPU: 1 PID: 2075 at lib/refcount.c:19 refcount<4>[   70.769683] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6204 08:37:31.413203  _warn_saturate+0x97/0x110

 6205 08:37:31.426331  # [   66.603171] Modules linked in: f<4>[   70.784371] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6206 08:37:31.436288  use ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcv<4>[   70.798814] irq event stamp: 0

 6207 08:37:31.449667  ideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger video<4>[   70.808785] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6208 08:37:31.462647  buf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_t<4>[   70.822353] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6209 08:37:31.479495  hermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98<4>[   70.838089] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6210 08:37:31.492537  357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm<4>[   70.853732] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6211 08:37:31.499147  _dmaengine regmap_i2c chromeos_pstore coreboot_table

 6212 08:37:31.505656  # [   66.6<4>[   70.867294] ---[ end trace f420f41c7bc8ced5 ]---

 6213 08:37:31.515706  49647] CPU: 1 PID: 2075 Comm: cat Tainted: G      D W         5.<6>[   70.879091] lkdtm: Negative detected: saturated

 6214 08:37:31.518842  10.209-cip44 #1

 6215 08:37:31.525626  # [   66.664886] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6216 08:37:31.532252  # [   66.671856] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6217 08:37:31.552121  # [   66.684282] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 8a c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7

 6218 08:37:31.558538  # [   66.705673] RSP: 0018:ffffa900c27efe38 EFLAGS: 00010282

 6219 08:37:31.568649  # [   66.711852] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 6220 08:37:31.575223  # [   66.720174] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50

 6221 08:37:31.581810  # [   66.727006] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 6222 08:37:31.591843  # [   66.728505] RBP: ffffffff8b019fc0 R08: 0000000000000000 R09: 0000000000000000

 6223 08:37:31.598328  # [   66.728509] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6224 08:37:31.608332  # [   66.728512] R13: ffffa900c27eff10 R14: ffffa900c27eff10 R15: ffff9981c61d1000

 6225 08:37:31.618240  # [   66.728517] FS:  00007f0d70716580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 6226 08:37:31.624742  # [   66.728521] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6227 08:37:31.631355  # [   66.728525] CR2: 00007f0d70520000 CR3: 0000000105376000 CR4: 00000000003506e0

 6228 08:37:31.634741  # [   66.728528] Call Trace:

 6229 08:37:31.637844  # [   66.728548]  ? __warn+0x80/0x110

 6230 08:37:31.644542  # [   66.728558]  ? refcount_warn_saturate+0x97/0x110

 6231 08:37:31.647779  # [   66.728565]  ? report_bug+0x9e/0xc0

 6232 08:37:31.651263  # [   66.728575]  ? handle_bug+0x41/0x90

 6233 08:37:31.657923  # [   66.728580]  ? exc_invalid_op+0x14/0x70

 6234 08:37:31.661203  # [   66.728594]  ? asm_exc_invalid_op+0x12/0x20

 6235 08:37:31.667806  # [   66.745995] platform MX98357A:00: deferred probe pending

 6236 08:37:31.674262  # [   66.757718]  ? refcount_warn_saturate+0x97/0x110

 6237 08:37:31.677866  # [   66.757726]  ? refcount_warn_saturate+0x97/0x110

 6238 08:37:31.684395  # [   66.757732]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6239 08:37:31.691003  # [   66.757740]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 6240 08:37:31.697640  # [   66.757754]  direct_entry.cold+0x2c/0x38

 6241 08:37:31.700918  # [   66.772286] pci 0000:00:1b.0: deferred probe pending

 6242 08:37:31.707467  # [   66.786809]  full_proxy_write+0x56/0x80

 6243 08:37:31.710659  # [   66.786820]  vfs_write+0xea/0x3b0

 6244 08:37:31.714352  # [   66.947062]  ksys_write+0x68/0xf0

 6245 08:37:31.717380  # [   66.957307]  do_syscall_64+0x33/0x40

 6246 08:37:31.724070  # [   66.967837]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6247 08:37:31.727485  # [   66.980048] RIP: 0033:0x7f0d7062c473

 6248 08:37:31.750490  # [   66.990208] 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

 6249 08:37:31.757161  # [   67.017798] RSP: 002b:00007ffc5a3ba708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6250 08:37:31.766955  # [   67.028341] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0d7062c473

 6251 08:37:31.773797  # [   67.036841] RDX: 000000000000001f RSI: 00007f0d70520000 RDI: 0000000000000001

 6252 08:37:31.783419  # [   67.045156] RBP: 00007f0d70520000 R08: 00007f0d7051f010 R09: 0000000000000000

 6253 08:37:31.790192  # [   67.056688] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6254 08:37:31.800308  # [   67.065013] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6255 08:37:31.803332  # [   67.073519] irq event stamp: 0

 6256 08:37:31.809832  # [   67.077256] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6257 08:37:31.819911  # [   67.088005] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6258 08:37:31.829932  # [   67.097490] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6259 08:37:31.836751  # [   67.107166] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6260 08:37:31.839901  # [   67.114513] ---[ end trace f420f41c7bc8ced1 ]---

 6261 08:37:31.846539  # [   67.124093] lkdtm: Overflow detected: saturated

 6262 08:37:31.862573  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6263 08:37:31.862722  ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6264 08:37:31.863248  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6265 08:37:31.869361  # [   67.455452] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 6266 08:37:31.879325  # [   67.468282] <6>[   71.245481] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6267 08:37:31.889116  <6>[   71.254141] lkdtm: attempting bad refcount_sub_and_test() below zero

 6268 08:37:31.892748  lkdtm: attempting bad refcount_add_not_zero() overflow

 6269 08:37:31.899258  # [   67<4>[   71.261598] ------------[ cut here ]------------

 6270 08:37:31.905768  <4>[   71.273314] refcount_t: underflow; use-after-free.

 6271 08:37:31.909273  .475549] ------------[ cut here ]------------

 6272 08:37:31.922294  # [   67.487286] <4>[   71.279056] WARNING: CPU: 0 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6273 08:37:31.925548  refcount_t: saturated; leaking memory.

 6274 08:37:31.968731  # [   67.499267] WARNING<4>[   71.295015] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6275 08:37:31.975499  <4>[   71.341549] CPU: 0 PID: 2253 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6276 08:37:31.985433  <4>[   71.350578] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6277 08:37:31.988399  <4>[   71.357546] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6278 08:37:32.011490  <4>[   71.363720] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 8a c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7

 6279 08:37:32.018496  <4>[   71.385102] RSP: 0018:ffffa900c2af7e40 EFLAGS: 00010286

 6280 08:37:32.024844  <4>[   71.391286] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6281 08:37:32.034842  <4>[   71.399604] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 6282 08:37:32.041307  <4>[   71.407921] RBP: ffffffff8b01a020 R08: 0000000000000000 R09: 0000000000000000

 6283 08:37:32.051387  <4>[   71.416238] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6284 08:37:32.057765  <4>[   71.424555] R13: ffffa900c2af7f10 R14: ffffa900c2af7f10 R15: ffff9981c5343000

 6285 08:37:32.067426  <4>[   71.432876] FS:  00007ff0146f9580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 6286 08:37:32.074231  <4>[   71.442263] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6287 08:37:32.083960  <4>[   71.449024] CR2: 00007ff014503000 CR3: 000000010376c000 CR4: 00000000003506f0

 6288 08:37:32.087267  <4>[   71.457344] Call Trace:

 6289 08:37:32.097348  : CPU: 1 PID: 2112 at lib/refcount.c:19 refcount_warn_saturate+0<4>[   71.460412]  ? __warn+0x80/0x110

 6290 08:37:32.104054  <4>[   71.470584]  ? refcount_warn_saturate+0xba/0x110

 6291 08:37:32.107303  <4>[   71.476072]  ? report_bug+0x9e/0xc0

 6292 08:37:32.110728  <4>[   71.480303]  ? handle_bug+0x41/0x90

 6293 08:37:32.113925  <4>[   71.484532]  ? exc_invalid_op+0x14/0x70

 6294 08:37:32.120567  <4>[   71.489151]  ? asm_exc_invalid_op+0x12/0x20

 6295 08:37:32.127263  <4>[   71.494169]  ? refcount_warn_saturate+0xba/0x110

 6296 08:37:32.133704  <4>[   71.499666]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6297 08:37:32.140136  <4>[   71.506141]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6298 08:37:32.143621  <4>[   71.512705]  direct_entry.cold+0x2c/0x38

 6299 08:37:32.143704  x97/0x110

 6300 08:37:32.153373  # [   67.515240] Modules linked in: fuse ip_tables cr<4>[   71.517417]  full_proxy_write+0x56/0x80

 6301 08:37:32.160046  <4>[   71.528279]  vfs_write+0xea/0x3b0

 6302 08:37:32.163319  <4>[   71.532308]  ksys_write+0x68/0xf0

 6303 08:37:32.166461  <4>[   71.536348]  do_syscall_64+0x33/0x40

 6304 08:37:32.179872  os_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_<4>[   71.540689]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6305 08:37:32.189816  charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc vid<4>[   71.552876] RIP: 0033:0x7ff01460f473

 6306 08:37:32.216437  eobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_d<4>[   71.563413] 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

 6307 08:37:32.226208  <4>[   71.591032] RSP: 002b:00007ffcc2bc1a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6308 08:37:32.235989  <4>[   71.599843] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff01460f473

 6309 08:37:32.242622  <4>[   71.608162] RDX: 000000000000001f RSI: 00007ff014503000 RDI: 0000000000000001

 6310 08:37:32.252312  <4>[   71.616480] RBP: 00007ff014503000 R08: 00007ff014502010 R09: 0000000000000000

 6311 08:37:32.259163  <4>[   71.624800] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6312 08:37:32.268969  <4>[   71.633117] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6313 08:37:32.272217  <4>[   71.641443] irq event stamp: 0

 6314 08:37:32.279030  <4>[   71.645182] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6315 08:37:32.288827  <4>[   71.652530] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6316 08:37:32.298676  <4>[   71.662022] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6317 08:37:32.305323  <4>[   71.671513] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6318 08:37:32.311816  <4>[   71.678856] ---[ end trace f420f41c7bc8ced6 ]---

 6319 08:37:32.314927  <6>[   71.684339] lkdtm: Negative detected: saturated

 6320 08:37:32.331475  ev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6321 08:37:32.341617  # [   67.561721] CPU: 1 PID: 2112 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6322 08:37:32.348128  # [   67.576953] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6323 08:37:32.354810  # [   67.590147] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6324 08:37:32.374548  # [   67.596324] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 8a c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7

 6325 08:37:32.381292  # [   67.617704] RSP: 0018:ffffa900c289fe38 EFLAGS: 00010282

 6326 08:37:32.388007  # [   67.623878] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 6327 08:37:32.398002  # [   67.632199] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50

 6328 08:37:32.404530  # [   67.640520] RBP: ffffffff8b019fe0 R08: 0000000000000000 R09: 0000000000000000

 6329 08:37:32.414280  # [   67.648840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6330 08:37:32.420930  # [   67.657159] R13: ffffa900c289ff10 R14: ffffa900c289ff10 R15: ffff9981c629b000

 6331 08:37:32.431094  # [   67.665468] FS:  00007f18a5a37580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 6332 08:37:32.437892  # [   67.674851] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6333 08:37:32.447626  # [   67.681609] CR2: 00007f18a5841000 CR3: 0000000105854000 CR4: 00000000003506e0

 6334 08:37:32.450869  # [   67.689926] Call Trace:

 6335 08:37:32.454397  # [   67.692997]  ? __warn+0x80/0x110

 6336 08:37:32.457706  # [   67.703175]  ? refcount_warn_saturate+0x97/0x110

 6337 08:37:32.464360  # [   67.708672]  ? report_bug+0x9e/0xc0

 6338 08:37:32.467485  # [   67.712905]  ? handle_bug+0x41/0x90

 6339 08:37:32.470747  # [   67.717137]  ? exc_invalid_op+0x14/0x70

 6340 08:37:32.477460  # [   67.721758]  ? asm_exc_invalid_op+0x12/0x20

 6341 08:37:32.480821  # [   67.726773]  ? refcount_warn_saturate+0x97/0x110

 6342 08:37:32.487292  # [   67.738511]  ? refcount_warn_saturate+0x97/0x110

 6343 08:37:32.494052  # [   67.750226]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6344 08:37:32.500588  # [   67.762908]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 6345 08:37:32.504057  # [   67.775696]  direct_entry.cold+0x2c/0x38

 6346 08:37:32.507104  # [   67.786630]  full_proxy_write+0x56/0x80

 6347 08:37:32.513979  # [   67.797467]  vfs_write+0xea/0x3b0

 6348 08:37:32.517151  # [   67.804205]  ksys_write+0x68/0xf0

 6349 08:37:32.520372  # [   67.814461]  do_syscall_64+0x33/0x40

 6350 08:37:32.527018  # [   67.821594]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6351 08:37:32.530517  # [   67.827750] RIP: 0033:0x7f18a594d473

 6352 08:37:32.550352  # [   67.832075] 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

 6353 08:37:32.560007  # [   67.859668] RSP: 002b:00007ffd2672b668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6354 08:37:32.569875  # [   67.868653] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f18a594d473

 6355 08:37:32.576562  # [   67.877150] RDX: 000000000000001f RSI: 00007f18a5841000 RDI: 0000000000000001

 6356 08:37:32.586497  # [   67.891688] RBP: 00007f18a5841000 R08: 00007f18a5840010 R09: 0000000000000000

 6357 08:37:32.593288  # [   67.901747] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6358 08:37:32.603220  # [   67.910244] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6359 08:37:32.606225  # [   67.924792] irq event stamp: 0

 6360 08:37:32.612773  # [   67.934737] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6361 08:37:32.622957  # [   67.948199] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6362 08:37:32.629397  # [   67.957863] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6363 08:37:32.639321  # [   67.967347] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6364 08:37:32.642520  # [   67.979060] ---[ end trace f420f41c7bc8ced2 ]---

 6365 08:37:32.649124  # [   67.984726] lkdtm: Overflow detected: saturated

 6366 08:37:32.656029  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6367 08:37:32.659036  ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6368 08:37:32.665720  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6369 08:37:32.672396  # [   68.318247] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 6370 08:37:32.675853  # [   68.327400] lkdtm: attempting good refcount_dec()

 6371 08:37:32.685471  # [   68.332994] l<6>[   72.048391] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6372 08:37:32.692377  <6>[   72.058285] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6373 08:37:32.695376  <6>[   72.065734] lkdtm: Good: zero detected

 6374 08:37:32.702140  <6>[   72.070274] lkdtm: Correctly stayed at zero

 6375 08:37:32.708973  <6>[   72.075282] lkdtm: attempting bad refcount_inc() from zero

 6376 08:37:32.711927  <4>[   72.081752] ------------[ cut here ]------------

 6377 08:37:32.718690  <4>[   72.087239] refcount_t: addition on 0; use-after-free.

 6378 08:37:32.725462  kdtm: attempting bad refcount_dec() to zero

 6379 08:37:32.735452  # [   68.339288] --<4>[   72.093368] WARNING: CPU: 0 PID: 2286 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6380 08:37:32.738707  ----------[ cut here ]------------

 6381 08:37:32.781551  # [   68.344780] refcount_t:<4>[   72.109383] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6382 08:37:32.791356  <4>[   72.155803] CPU: 0 PID: 2286 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6383 08:37:32.797975  <4>[   72.164803] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6384 08:37:32.804440  <4>[   72.171758] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6385 08:37:32.824394  <4>[   72.177943] Code: 02 01 e8 89 2d c4 00 0f 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7 8a c6 05 c5 ea 36 02 01 e8 66 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7

 6386 08:37:32.830788  <4>[   72.199323] RSP: 0018:ffffa900c2b87e48 EFLAGS: 00010286

 6387 08:37:32.840857  <4>[   72.205499] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6388 08:37:32.847173  <4>[   72.213813] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 6389 08:37:32.857150  <4>[   72.222129] RBP: ffffffff8b01a3c1 R08: 0000000000000000 R09: 0000000000000000

 6390 08:37:32.863974  <4>[   72.230442] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6391 08:37:32.873468  <4>[   72.238754] R13: ffffa900c2b87f10 R14: ffffa900c2b87f10 R15: ffff9981c2788000

 6392 08:37:32.883438  <4>[   72.247075] FS:  00007fb089df1580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 6393 08:37:32.890178  <4>[   72.256463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6394 08:37:32.896918  <4>[   72.263227] CR2: 00007fb089bfb000 CR3: 00000001030e4000 CR4: 00000000003506f0

 6395 08:37:32.900107  <4>[   72.271539] Call Trace:

 6396 08:37:32.903250  <4>[   72.274603]  ? __warn+0x80/0x110

 6397 08:37:32.909746  <4>[   72.278539]  ? refcount_warn_saturate+0x74/0x110

 6398 08:37:32.913311  <4>[   72.284033]  ? report_bug+0x9e/0xc0

 6399 08:37:32.919737  <4>[   72.288263]  ? handle_bug+0x41/0x90

 6400 08:37:32.923382  <4>[   72.292490]  ? exc_invalid_op+0x14/0x70

 6401 08:37:32.929774  <4>[   72.297107]  ? asm_exc_invalid_op+0x12/0x20

 6402 08:37:32.933163  <4>[   72.302120]  ? refcount_warn_saturate+0x74/0x110

 6403 08:37:32.939776  <4>[   72.307622]  ? refcount_warn_saturate+0x74/0x110

 6404 08:37:32.946268  <4>[   72.313122]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6405 08:37:32.949693  <4>[   72.318417]  direct_entry.cold+0x2c/0x38

 6406 08:37:32.952810   decrement hit 0; leaking memory.

 6407 08:37:32.959182  # [   68.357328] WARNING: CPU<4>[   72.323144]  full_proxy_write+0x56/0x80

 6408 08:37:32.969380  : 1 PID: 2145 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0<4>[   72.333970]  vfs_write+0xea/0x3b0

 6409 08:37:32.972641  x110

 6410 08:37:32.979075  # [   68.373313] Modules linked in: fuse ip_tables cros_ec<4>[   72.344228]  ksys_write+0x68/0xf0

 6411 08:37:32.986067  <4>[   72.354487]  do_syscall_64+0x33/0x40

 6412 08:37:32.992772  <4>[   72.358805]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6413 08:37:32.995806  <4>[   72.364786] RIP: 0033:0x7fb089d07473

 6414 08:37:33.015509  <4>[   72.369110] 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

 6415 08:37:33.025348  <4>[   72.390490] RSP: 002b:00007ffefd998408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6416 08:37:33.035462  <4>[   72.399342] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb089d07473

 6417 08:37:33.041916  <4>[   72.407684] RDX: 0000000000000012 RSI: 00007fb089bfb000 RDI: 0000000000000001

 6418 08:37:33.051762  <4>[   72.416006] RBP: 00007fb089bfb000 R08: 00007fb089bfa010 R09: 0000000000000000

 6419 08:37:33.058256  <4>[   72.424322] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6420 08:37:33.068308  <4>[   72.432637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6421 08:37:33.071700  <4>[   72.440964] irq event stamp: 0

 6422 08:37:33.078305  <4>[   72.444702] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6423 08:37:33.087820  <4>[   72.452048] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6424 08:37:33.098182  <4>[   72.461534] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6425 08:37:33.104353  <4>[   72.471024] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6426 08:37:33.111036  <4>[   72.478366] ---[ end trace f420f41c7bc8ced7 ]---

 6427 08:37:33.114393  <6>[   72.483856] lkdtm: Zero detected: saturated

 6428 08:37:33.150655  _debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6429 08:37:33.157506  # [   68.419768] CPU: 1 PID: 2145 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6430 08:37:33.164174  # [   68.428770] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6431 08:37:33.170730  # [   68.435731] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6432 08:37:33.193943  # [   68.441906] Code: a8 4e f7 8a c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e f7 8a c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6433 08:37:33.197001  # [   68.463288] RSP: 0018:ffffa900c294fe48 EFLAGS: 00010286

 6434 08:37:33.207019  # [   68.469466] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 6435 08:37:33.213832  # [   68.477784] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50

 6436 08:37:33.223772  # [   68.486103] RBP: ffffffff8b01a399 R08: 0000000000000000 R09: 0000000000000000

 6437 08:37:33.230483  # [   68.494425] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6438 08:37:33.240301  # [   68.502741] R13: ffffa900c294ff10 R14: ffffa900c294ff10 R15: ffff9981c3765000

 6439 08:37:33.250232  # [   68.511064] FS:  00007f8822990580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 6440 08:37:33.256844  # [   68.520454] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6441 08:37:33.263548  # [   68.527213] CR2: 00007f882279a000 CR3: 0000000103002000 CR4: 00000000003506e0

 6442 08:37:33.266718  # [   68.535532] Call Trace:

 6443 08:37:33.269952  # [   68.538604]  ? __warn+0x80/0x110

 6444 08:37:33.276746  # [   68.542545]  ? refcount_warn_saturate+0xfb/0x110

 6445 08:37:33.280037  # [   68.554245]  ? report_bug+0x9e/0xc0

 6446 08:37:33.283361  # [   68.558477]  ? handle_bug+0x41/0x90

 6447 08:37:33.289893  # [   68.562703]  ? exc_invalid_op+0x14/0x70

 6448 08:37:33.293144  # [   68.567320]  ? asm_exc_invalid_op+0x12/0x20

 6449 08:37:33.299829  # [   68.572338]  ? refcount_warn_saturate+0xfb/0x110

 6450 08:37:33.303383  # [   68.584073]  ? refcount_warn_saturate+0xfb/0x110

 6451 08:37:33.309894  # [   68.589563]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 6452 08:37:33.313325  # [   68.594862]  direct_entry.cold+0x2c/0x38

 6453 08:37:33.319885  # [   68.605813]  full_proxy_write+0x56/0x80

 6454 08:37:33.323129  # [   68.616646]  vfs_write+0xea/0x3b0

 6455 08:37:33.326226  # [   68.620687]  ksys_write+0x68/0xf0

 6456 08:37:33.329750  # [   68.630918]  do_syscall_64+0x33/0x40

 6457 08:37:33.336177  # [   68.635251]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6458 08:37:33.339438  # [   68.641237] RIP: 0033:0x7f88228a6473

 6459 08:37:33.362889  # [   68.651774] 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

 6460 08:37:33.369284  # [   68.679373] RSP: 002b:00007ffcffd21588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6461 08:37:33.379200  # [   68.694391] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f88228a6473

 6462 08:37:33.386044  # [   68.708927] RDX: 0000000000000012 RSI: 00007f882279a000 RDI: 0000000000000001

 6463 08:37:33.395855  # [   68.723455] RBP: 00007f882279a000 R08: 00007f8822799010 R09: 0000000000000000

 6464 08:37:33.402514  # [   68.737998] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6465 08:37:33.412456  # [   68.752537] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6466 08:37:33.415924  # [   68.767096] irq event stamp: 0

 6467 08:37:33.422196  # [   68.777045] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6468 08:37:33.432279  # [   68.789834] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6469 08:37:33.442217  # [   68.805539] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6470 08:37:33.448657  # [   68.821237] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6471 08:37:33.452356  # [   68.834805] ---[ end trace f420f41c7bc8ced3 ]---

 6472 08:37:33.458640  # [   68.846518] lkdtm: Zero detected: saturated

 6473 08:37:33.462205  # REFCOUNT_DEC_ZERO: saw 'call trace:': ok

 6474 08:37:33.468655  ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6475 08:37:33.478800  # selftests: lkdtm: REFCOUNT_DEC_NEGATIV<6>[   72.839079] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6476 08:37:33.485265  <6>[   72.851273] lkdtm: attempting safe refcount_add_not_zero() from zero

 6477 08:37:33.488317  <6>[   72.858729] lkdtm: Good: zero detected

 6478 08:37:33.494918  <6>[   72.863244] lkdtm: Correctly stayed at zero

 6479 08:37:33.501772  <6>[   72.868243] lkdtm: attempting bad refcount_add() from zero

 6480 08:37:33.505005  <4>[   72.874705] ------------[ cut here ]------------

 6481 08:37:33.511772  <4>[   72.880192] refcount_t: addition on 0; use-after-free.

 6482 08:37:33.521511  <4>[   72.886327] WARNING: CPU: 0 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6483 08:37:33.521610  E.sh

 6484 08:37:33.568088  # [   69.217492] lkdtm: Performing direct entry REFCOUNT_D<4>[   72.896101] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6485 08:37:33.577642  <4>[   72.942627] CPU: 0 PID: 2319 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6486 08:37:33.584423  <4>[   72.951629] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6487 08:37:33.591019  <4>[   72.958589] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6488 08:37:33.614090  <4>[   72.964768] Code: 02 01 e8 89 2d c4 00 0f 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7 8a c6 05 c5 ea 36 02 01 e8 66 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7

 6489 08:37:33.617365  <4>[   72.986141] RSP: 0018:ffffa900c2c0fe48 EFLAGS: 00010286

 6490 08:37:33.627376  <4>[   72.992319] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6491 08:37:33.633980  <4>[   73.000637] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 6492 08:37:33.643886  <4>[   73.008960] RBP: ffffffff8b01a3d3 R08: 0000000000000000 R09: 0000000000000000

 6493 08:37:33.650515  <4>[   73.017283] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6494 08:37:33.660348  <4>[   73.025597] R13: ffffa900c2c0ff10 R14: ffffa900c2c0ff10 R15: ffff9981c3417000

 6495 08:37:33.670454  <4>[   73.033908] FS:  00007f7175cdb580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 6496 08:37:33.676759  <4>[   73.043299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6497 08:37:33.683464  <4>[   73.050063] CR2: 00007f7175ae5000 CR3: 00000001030ea000 CR4: 00000000003506f0

 6498 08:37:33.686712  EC_NEGATIVE

 6499 08:37:33.693464  # [   69.228260] lkdtm: attempting bad refcount_dec<4>[   73.058379] Call Trace:

 6500 08:37:33.696533  <4>[   73.067674]  ? __warn+0x80/0x110

 6501 08:37:33.703202  <4>[   73.071617]  ? refcount_warn_saturate+0x74/0x110

 6502 08:37:33.706686  <4>[   73.077113]  ? report_bug+0x9e/0xc0

 6503 08:37:33.713393  <4>[   73.081343]  ? handle_bug+0x41/0x90

 6504 08:37:33.716437  <4>[   73.085567]  ? exc_invalid_op+0x14/0x70

 6505 08:37:33.723243  <4>[   73.090185]  ? asm_exc_invalid_op+0x12/0x20

 6506 08:37:33.726282  <4>[   73.095204]  ? refcount_warn_saturate+0x74/0x110

 6507 08:37:33.732852  <4>[   73.100700]  ? refcount_warn_saturate+0x74/0x110

 6508 08:37:33.736145  <4>[   73.106192]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 6509 08:37:33.742846  <4>[   73.111496]  direct_entry.cold+0x2c/0x38

 6510 08:37:33.742935  () below zero

 6511 08:37:33.752852  # [   69.234856] ------------[ cut here ]--------<4>[   73.116217]  full_proxy_write+0x56/0x80

 6512 08:37:33.752939  ----

 6513 08:37:33.762547  # [   69.240351] refcount_t: decrement hit 0; leaking memo<4>[   73.127058]  vfs_write+0xea/0x3b0

 6514 08:37:33.762648  ry.

 6515 08:37:33.772532  # [   69.246675] WARNING: CPU: 2 PID: 2181 at lib/refcount.<4>[   73.137312]  ksys_write+0x68/0xf0

 6516 08:37:33.779285  <4>[   73.147570]  do_syscall_64+0x33/0x40

 6517 08:37:33.785557  <4>[   73.151896]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6518 08:37:33.789187  <4>[   73.157878] RIP: 0033:0x7f7175bf1473

 6519 08:37:33.809113  <4>[   73.162202] 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

 6520 08:37:33.819019  <4>[   73.183571] RSP: 002b:00007ffc870a9b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6521 08:37:33.821996  c:31 refcount_warn_saturate+0xfb/0x110

 6522 08:37:33.832040  # [   69.256454] Modules<4>[   73.192410] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7175bf1473

 6523 08:37:33.842016  <4>[   73.206954] RDX: 0000000000000012 RSI: 00007f7175ae5000 RDI: 0000000000000001

 6524 08:37:33.848803  <4>[   73.215276] RBP: 00007f7175ae5000 R08: 00007f7175ae4010 R09: 0000000000000000

 6525 08:37:33.858311  <4>[   73.223591] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6526 08:37:33.864928  <4>[   73.231906] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6527 08:37:33.871568  <4>[   73.240232] irq event stamp: 0

 6528 08:37:33.878186  <4>[   73.243967] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6529 08:37:33.888191  <4>[   73.251310] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6530 08:37:33.897623  <4>[   73.260796] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6531 08:37:33.904605  <4>[   73.270282] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6532 08:37:33.911131  <4>[   73.277620] ---[ end trace f420f41c7bc8ced8 ]---

 6533 08:37:33.914298  <6>[   73.283110] lkdtm: Zero detected: saturated

 6534 08:37:33.950786   linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6535 08:37:33.960667  # [   69.302863] CPU: 2 PID: 2181 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6536 08:37:33.967322  # [   69.311863] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6537 08:37:33.973864  # [   69.318819] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6538 08:37:33.993688  # [   69.324995] Code: a8 4e f7 8a c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e f7 8a c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6539 08:37:34.000770  # [   69.346379] RSP: 0018:ffffa900c29cfe48 EFLAGS: 00010286

 6540 08:37:34.010519  # [   69.358792] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6541 08:37:34.016903  # [   69.373349] RDX: ffff99823bd2c620 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50

 6542 08:37:34.026940  # [   69.387887] RBP: ffffffff8b01a3ab R08: 0000000000000000 R09: 0000000000000000

 6543 08:37:34.033564  # [   69.402430] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6544 08:37:34.043582  # [   69.416981] R13: ffffa900c29cff10 R14: ffffa900c29cff10 R15: ffff9981c2788000

 6545 08:37:34.050161  # [   69.431522] FS:  00007ff870ec6580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 6546 08:37:34.056897  # [   69.447131] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6547 08:37:34.066857  # [   69.460102] CR2: 00007ff870cd0000 CR3: 00000001063f8000 CR4: 00000000003506e0

 6548 08:37:34.070178  # [   69.474645] Call Trace:

 6549 08:37:34.073350  # [   69.483933]  ? __warn+0x80/0x110

 6550 08:37:34.080196  # [   69.494093]  ? refcount_warn_saturate+0xfb/0x110

 6551 08:37:34.083386  # [   69.505792]  ? report_bug+0x9e/0xc0

 6552 08:37:34.086546  # [   69.516249]  ? handle_bug+0x41/0x90

 6553 08:37:34.090034  # [   69.526690]  ? exc_invalid_op+0x14/0x70

 6554 08:37:34.096726  # [   69.537535]  ? asm_exc_invalid_op+0x12/0x20

 6555 08:37:34.099957  # [   69.548768]  ? refcount_warn_saturate+0xfb/0x110

 6556 08:37:34.106450  # [   69.560479]  ? refcount_warn_saturate+0xfb/0x110

 6557 08:37:34.113284  # [   69.572196]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6558 08:37:34.116220  # [   69.583631]  direct_entry.cold+0x2c/0x38

 6559 08:37:34.119673  # [   69.594562]  full_proxy_write+0x56/0x80

 6560 08:37:34.126343  # [   69.600920]  vfs_write+0xea/0x3b0

 6561 08:37:34.129712  # [   69.605149]  ksys_write+0x68/0xf0

 6562 08:37:34.133054  # [   69.615414]  do_syscall_64+0x33/0x40

 6563 08:37:34.139671  # [   69.625957]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6564 08:37:34.142850  # [   69.638152] RIP: 0033:0x7ff870ddc473

 6565 08:37:34.165987  # [   69.648697] 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

 6566 08:37:34.172543  # [   69.676281] RSP: 002b:00007ffffaa73878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6567 08:37:34.182725  # [   69.691315] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff870ddc473

 6568 08:37:34.189338  # [   69.704204] RDX: 0000000000000016 RSI: 00007ff870cd0000 RDI: 0000000000000001

 6569 08:37:34.199149  # [   69.718752] RBP: 00007ff870cd0000 R08: 00007ff870ccf010 R09: 0000000000000000

 6570 08:37:34.205601  # [   69.727248] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6571 08:37:34.215677  # [   69.741796] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6572 08:37:34.219040  # [   69.756350] irq event stamp: 0

 6573 08:37:34.225708  # [   69.762692] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6574 08:37:34.235418  # [   69.775195] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6575 08:37:34.242210  # [   69.790919] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6576 08:37:34.251959  # [   69.802532] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6577 08:37:34.255293  # [   69.809873] ---[ end trace f420f41c7bc8ced4 ]---

 6578 08:37:34.261989  # [   69.819642] lkdtm: Negative detected: saturated

 6579 08:37:34.268444  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 6580 08:37:34.271692  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6581 08:37:34.278209  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6582 08:37:34.284812  # [   70.189313] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6583 08:37:34.291540  # [   70.199971] lkdtm: attempting bad refcount_dec_and_test() below zero

 6584 08:37:34.301447  # [   70.213679] --<6>[   73.664388] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 6585 08:37:34.308101  <6>[   73.675866] lkdtm: attempting bad refcount_inc() from saturated

 6586 08:37:34.314950  <4>[   73.682828] ------------[ cut here ]------------

 6587 08:37:34.321194  <4>[   73.688325] refcount_t: saturated; leaking memory.

 6588 08:37:34.331246  <4>[   73.694066] WARNING: CPU: 0 PID: 2355 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6589 08:37:34.334424  ----------[ cut here ]------------

 6590 08:37:34.377755  # [   70.225379] refcount_t:<4>[   73.703843] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6591 08:37:34.384274  <4>[   73.750278] CPU: 0 PID: 2355 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6592 08:37:34.394264  <4>[   73.759274] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6593 08:37:34.397346  <4>[   73.766233] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6594 08:37:34.400566   underflow; use-after-free.

 6595 08:37:34.427134  # [   70.237336] WARNING: CPU: 3 PI<4>[   73.772407] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d f7 8a c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7

 6596 08:37:34.433990  <4>[   73.800024] RSP: 0018:ffffa900c2c97e48 EFLAGS: 00010286

 6597 08:37:34.440400  <4>[   73.806197] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 6598 08:37:34.450237  <4>[   73.814520] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 6599 08:37:34.456973  <4>[   73.822836] RBP: ffffffff8b01a3e5 R08: 0000000000000000 R09: 0000000000000000

 6600 08:37:34.466582  <4>[   73.831149] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6601 08:37:34.473255  <4>[   73.839464] R13: ffffa900c2c97f10 R14: ffffa900c2c97f10 R15: ffff9981c60fe000

 6602 08:37:34.483351  <4>[   73.847779] FS:  00007f03c6181580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 6603 08:37:34.490036  <4>[   73.857161] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6604 08:37:34.499819  <4>[   73.863916] CR2: 00007f03c5f8b000 CR3: 00000001065fc000 CR4: 00000000003506f0

 6605 08:37:34.503040  <4>[   73.872231] Call Trace:

 6606 08:37:34.506406  <4>[   73.875305]  ? __warn+0x80/0x110

 6607 08:37:34.509957  <4>[   73.879248]  ? refcount_warn_saturate+0x51/0x110

 6608 08:37:34.516497  <4>[   73.884745]  ? report_bug+0x9e/0xc0

 6609 08:37:34.519858  <4>[   73.888973]  ? handle_bug+0x41/0x90

 6610 08:37:34.526537  D: 2217 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6611 08:37:34.529794  <4>[   73.893197]  ? exc_invalid_op+0x14/0x70

 6612 08:37:34.536243  <4>[   73.904046]  ? asm_exc_invalid_op+0x12/0x20

 6613 08:37:34.539501  <4>[   73.909061]  ? refcount_warn_saturate+0x51/0x110

 6614 08:37:34.546196  <4>[   73.914555]  ? refcount_warn_saturate+0x51/0x110

 6615 08:37:34.552697  <4>[   73.920048]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 6616 08:37:34.555894  <4>[   73.925835]  direct_entry.cold+0x2c/0x38

 6617 08:37:34.562527  <4>[   73.930559]  full_proxy_write+0x56/0x80

 6618 08:37:34.565997  <4>[   73.935181]  vfs_write+0xea/0x3b0

 6619 08:37:34.575703  # [   70.253355] Modules linked in: fuse ip_tables cros_ec_debug<4>[   73.939219]  ksys_write+0x68/0xf0

 6620 08:37:34.585757  fs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cro<4>[   73.949479]  do_syscall_64+0x33/0x40

 6621 08:37:34.598747  s_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memo<4>[   73.960015]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6622 08:37:34.608708  ps videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf<4>[   73.972210] RIP: 0033:0x7f03c6097473

 6623 08:37:34.635253  2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_<4>[   73.982752] 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

 6624 08:37:34.651920  hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chrom<4>[   74.010350] RSP: 002b:00007ffd9f5cd098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6625 08:37:34.655192  eos_pstore coreboot_table

 6626 08:37:34.661427  <4>[   74.025395] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f03c6097473

 6627 08:37:34.678013  # [   70.299771] CPU: 3 PID: 2217 Comm: cat Tainted: G      D W <4>[   74.036324] RDX: 0000000000000017 RSI: 00007f03c5f8b000 RDI: 0000000000000001

 6628 08:37:34.687842          5.10.209-cip44 #1<4>[   74.050875] RBP: 00007f03c5f8b000 R08: 00007f03c5f8a010 R09: 0000000000000000

 6629 08:37:34.687927  

 6630 08:37:34.697723  <4>[   74.061627] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6631 08:37:34.711002  # [   70.314943] Hardware name: Google Coral/Coral, BIOS  09/29/<4>[   74.070122] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6632 08:37:34.711091  2020

 6633 08:37:34.720967  # [   70.328152] RIP: 0010:refcount_warn_saturate+0xba/0x1<4>[   74.084677] irq event stamp: 0

 6634 08:37:34.721083  10

 6635 08:37:34.734258  # [   70.340530] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc c<4>[   74.094635] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6636 08:37:34.750657  c cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 8a c6 05 7e ea<4>[   74.108210] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6637 08:37:34.767413   36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 0<4>[   74.123921] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6638 08:37:34.770590  2 00 0f 85 5e ff ff ff 48 c7

 6639 08:37:34.780437  # [   70.368149] RSP: 0018:ffffa90<4>[   74.139627] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6640 08:37:34.783991  0c2a5fe40 EFLAGS: 00010286

 6641 08:37:34.787195  <4>[   74.153194] ---[ end trace f420f41c7bc8ced9 ]---

 6642 08:37:34.800454  # [   70.380528] RAX: 0000000000000000 RBX: 0000000000000031 RCX<6>[   74.161401] lkdtm: Saturation detected: still saturated

 6643 08:37:34.803707  : 0000000000000000

 6644 08:37:34.810439  # [   70.395075] RDX: ffff99823bdac620 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50

 6645 08:37:34.820283  # [   70.409635] RBP: ffffffff8b01a000 R08: 0000000000000000 R09: 0000000000000000

 6646 08:37:34.826630  # [   70.424160] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6647 08:37:34.833373  # [   70.438726] R13: ffffa900c2a5ff10 R14: ffffa900c2a5ff10 R15: ffff9981c4d9c000

 6648 08:37:34.843322  # [   70.453258] FS:  00007f77aa400580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 6649 08:37:34.849881  # [   70.468898] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6650 08:37:34.860065  # [   70.481923] CR2: 00007f77aa20a000 CR3: 00000001061c0000 CR4: 00000000003506e0

 6651 08:37:34.863283  # [   70.496741] Call Trace:

 6652 08:37:34.866454  # [   70.505800]  ? __warn+0x80/0x110

 6653 08:37:34.869918  # [   70.516088]  ? refcount_warn_saturate+0xba/0x110

 6654 08:37:34.876482  # [   70.527644]  ? report_bug+0x9e/0xc0

 6655 08:37:34.879938  # [   70.538222]  ? handle_bug+0x41/0x90

 6656 08:37:34.883198  # [   70.548661]  ? exc_invalid_op+0x14/0x70

 6657 08:37:34.889728  # [   70.559387]  ? asm_exc_invalid_op+0x12/0x20

 6658 08:37:34.893196  # [   70.570714]  ? refcount_warn_saturate+0xba/0x110

 6659 08:37:34.899856  # [   70.582335]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6660 08:37:34.906176  # [   70.595202]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6661 08:37:34.912991  # [   70.607963]  direct_entry.cold+0x2c/0x38

 6662 08:37:34.916225  # [   70.618885]  full_proxy_write+0x56/0x80

 6663 08:37:34.919472  # [   70.629635]  vfs_write+0xea/0x3b0

 6664 08:37:34.922976  # [   70.639938]  ksys_write+0x68/0xf0

 6665 08:37:34.926039  # [   70.650138]  do_syscall_64+0x33/0x40

 6666 08:37:34.933101  # [   70.660713]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6667 08:37:34.939443  # [   70.672881] RIP: 0033:0x7f77aa316473

 6668 08:37:34.959139  # [   70.683453] 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

 6669 08:37:34.969247  # [   70.711015] RSP: 002b:00007ffda0bc0788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6670 08:37:34.975786  # [   70.726157] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f77aa316473

 6671 08:37:34.985773  # [   70.740699] RDX: 000000000000001f RSI: 00007f77aa20a000 RDI: 0000000000000001

 6672 08:37:34.992193  # [   70.755284] RBP: 00007f77aa20a000 R08: 00007f77aa209010 R09: 0000000000000000

 6673 08:37:34.998956  # [   70.769683] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6674 08:37:35.008761  # [   70.784371] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6675 08:37:35.012045  # [   70.798814] irq event stamp: 0

 6676 08:37:35.018604  # [   70.808785] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6677 08:37:35.028722  # [   70.822353] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6678 08:37:35.038765  # [   70.838089] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6679 08:37:35.045103  # [   70.853732] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6680 08:37:35.051927  # [   70.867294] ---[ end trace f420f41c7bc8ced5 ]---

 6681 08:37:35.055079  # [   70.879091] lkdtm: Negative detected: saturated

 6682 08:37:35.061899  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6683 08:37:35.068482  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6684 08:37:35.074916  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6685 08:37:35.081622  # [   71.245481] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6686 08:37:35.088398  # [   71.254141] lkdtm: attempting bad refcount_sub_and_test() below zero

 6687 08:37:35.094807  # [   71.261598] ------------[ cut here ]------------

 6688 08:37:35.101641  # [   71.273314] refcount_t: underflow; use-after-free.

 6689 08:37:35.111672  # [   71.279056] WARNING: CPU: 0 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6690 08:37:35.151271  # [   71.295015] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6691 08:37:35.157797  # [   71.341549] CPU: 0 PID: 2253 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6692 08:37:35.164369  # [   71.350578] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6693 08:37:35.174306  # [   71.357546] RIP: 001<6>[   74.540221] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 6694 08:37:35.181026  <6>[   74.548900] lkdtm: attempting bad refcount_dec() from saturated

 6695 08:37:35.187600  <4>[   74.555863] ------------[ cut here ]------------

 6696 08:37:35.194057  <4>[   74.561354] refcount_t: decrement hit 0; leaking memory.

 6697 08:37:35.204098  <4>[   74.567676] WARNING: CPU: 2 PID: 2391 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6698 08:37:35.207277  0:refcount_warn_saturate+0xba/0x110

 6699 08:37:35.250425  # [   71.363720] Code: 02 0<4>[   74.577454] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6700 08:37:35.260106  <4>[   74.623931] CPU: 2 PID: 2391 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6701 08:37:35.267098  <4>[   74.632931] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6702 08:37:35.273567  <4>[   74.639887] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6703 08:37:35.293454  <4>[   74.646063] Code: a8 4e f7 8a c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e f7 8a c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6704 08:37:35.299794  <4>[   74.667437] RSP: 0018:ffffa900c2d0fe48 EFLAGS: 00010286

 6705 08:37:35.309602  <4>[   74.673613] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 6706 08:37:35.316430  <4>[   74.681929] RDX: ffff99823bd2c620 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50

 6707 08:37:35.326102  <4>[   74.690250] RBP: ffffffff8b01a3fc R08: 0000000000000000 R09: 0000000000000000

 6708 08:37:35.332888  <4>[   74.698565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6709 08:37:35.342652  <4>[   74.706879] R13: ffffa900c2d0ff10 R14: ffffa900c2d0ff10 R15: ffff9981c30ee000

 6710 08:37:35.352527  <4>[   74.715197] FS:  00007fd7b6aa2580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 6711 08:37:35.359154  <4>[   74.724586] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6712 08:37:35.365878  <4>[   74.731344] CR2: 00007fd7b68ac000 CR3: 0000000106058000 CR4: 00000000003506e0

 6713 08:37:35.368856  <4>[   74.739661] Call Trace:

 6714 08:37:35.372062  <4>[   74.742728]  ? __warn+0x80/0x110

 6715 08:37:35.379030  <4>[   74.746664]  ? refcount_warn_saturate+0xfb/0x110

 6716 08:37:35.382316  <4>[   74.752162]  ? report_bug+0x9e/0xc0

 6717 08:37:35.392207  1 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85<4>[   74.756395]  ? handle_bug+0x41/0x90

 6718 08:37:35.405328   48 c7 c7 50 4e f7 8a c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0<4>[   74.766837]  ? exc_invalid_op+0x14/0x70

 6719 08:37:35.411846  b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7

 6720 08:37:35.415026  #<4>[   74.777667]  ? asm_exc_invalid_op+0x12/0x20

 6721 08:37:35.421957   [   71.385102] RSP: 0018:ffffa900c2af7e40 EFLAGS: 00010286

 6722 08:37:35.428403  # [<4>[   74.788898]  ? refcount_warn_saturate+0xfb/0x110

 6723 08:37:35.438263     71.391286] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0<4>[   74.800607]  ? refcount_warn_saturate+0xfb/0x110

 6724 08:37:35.441413  000000000000000

 6725 08:37:35.451546  # [   71.399604] RDX: ffff99823bc2c620 RSI: fff<4>[   74.812319]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 6726 08:37:35.454716  f99823bc1bf50 RDI: ffff99823bc1bf50

 6727 08:37:35.461433  # [   71.407921] RBP: fffff<4>[   74.824331]  direct_entry.cold+0x2c/0x38

 6728 08:37:35.468071  fff8b01a020 R08: 0000000000000000 R09: 0000000000000000

 6729 08:37:35.471402  # [   7<4>[   74.835261]  full_proxy_write+0x56/0x80

 6730 08:37:35.481387  1.416238] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000<4>[   74.846103]  vfs_write+0xea/0x3b0

 6731 08:37:35.484531  0000000001f

 6732 08:37:35.494647  # [   71.424555] R13: ffffa900c2af7f10 R14: ffffa90<4>[   74.856361]  ksys_write+0x68/0xf0

 6733 08:37:35.494742  0c2af7f10 R15: ffff9981c5343000

 6734 08:37:35.504372  # [   71.432876] FS:  00007ff01<4>[   74.866618]  do_syscall_64+0x33/0x40

 6735 08:37:35.510914  46f9580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 6736 08:37:35.514477  <4>[   74.877165]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6737 08:37:35.527552  # [   71.442263] CS:  0010 DS: 0000 ES: 0000 CR0: 00000000800500<4>[   74.889376] RIP: 0033:0x7fd7b69b8473

 6738 08:37:35.527651  33

 6739 08:37:35.554062  # [   71.449024] CR2: 00007ff014503000 CR3: 000000010376c000<4>[   74.899918] 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

 6740 08:37:35.557522   CR4: 00000000003506f0

 6741 08:37:35.567365  <6>[   74.914849] PDLOG 2024/02/29 08:35:53.900 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA

 6742 08:37:35.577120  <4>[   74.927593] RSP: 002b:00007ffd5c810a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6743 08:37:35.583813  # [   71.457344] Call Trace:<6>[   74.941320] PDLOG 2024/02/29 08:35:53.900 P1 Disconnected

 6744 08:37:35.593952  <4>[   74.949315] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd7b69b8473

 6745 08:37:35.594040  

 6746 08:37:35.600710  <4>[   74.949319] RDX: 0000000000000017 RSI: 00007fd7b68ac000 RDI: 0000000000000001

 6747 08:37:35.606933  # [   71.460412]  ? __warn+0x80/0x110

 6748 08:37:35.616883  # [   71.470584]  ? refco<4>[   74.949322] RBP: 00007fd7b68ac000 R08: 00007fd7b68ab010 R09: 0000000000000000

 6749 08:37:35.620384  unt_warn_saturate+0xba/0x110

 6750 08:37:35.630063  # [   71.476072]  ? report_bug+0x9<4>[   74.949326] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6751 08:37:35.630177  e/0xc0

 6752 08:37:35.636601  # [   71.480303]  ? handle_bug+0x41/0x90

 6753 08:37:35.646529  # [   71.48453<4>[   74.949335] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6754 08:37:35.650086  2]  ? exc_invalid_op+0x14/0x70

 6755 08:37:35.663317  # [   71.489151]  ? asm_exc_inva<6>[   74.958948] PDLOG 2024/02/29 08:35:53.967 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA

 6756 08:37:35.663416  lid_op+0x12/0x20

 6757 08:37:35.673394  # [   71.494169]  ? refcount_warn_saturate+0xb<4>[   74.966719] irq event stamp: 0

 6758 08:37:35.673500  a/0x110

 6759 08:37:35.686543  # [   71.499666]  __refcount_sub_and_test.constprop.0+0<4>[   74.966725] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6760 08:37:35.686705  x3c/0x50

 6761 08:37:35.696231  <4>[   74.966739] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6762 08:37:35.706197  <6>[   74.975705] PDLOG 2024/02/29 08:35:53.967 P1 SNK (not charging) Charger ??? 5000mV max 5000mV / 3000mA

 6763 08:37:35.715939  <4>[   74.989732] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6764 08:37:35.726225  # [   71.506141]  <4>[   74.989736] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6765 08:37:35.732732  <4>[   74.989740] ---[ end trace f420f41c7bc8ceda ]---

 6766 08:37:35.736110  <6>[   74.989748] lkdtm: Saturation detected: still saturated

 6767 08:37:35.745955  <6>[   75.004758] PDLOG 2024/02/29 08:35:54.114 P1 SNK Charger ??? 5194mV max 15000mV / 3000mA

 6768 08:37:35.762421  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b<6>[   75.120531] PDLOG 2024/02/29 08:35:54.218 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA

 6769 08:37:35.762730  

 6770 08:37:35.765617  # [   71.512705]  direct_entry.cold+0x2c/0x38

 6771 08:37:35.778789  # [   71.517417<6>[   75.135848] PDLOG 2024/02/29 08:35:54.230 P1 SNK Charger ??? 1432mV max 5000mV / 3000mA

 6772 08:37:35.782129  ]  full_proxy_write+0x56/0x80

 6773 08:37:35.791926  # [   71.528279]  vfs_write+0xea/<6>[   75.151311] PDLOG 2024/02/29 08:35:55.208 P1 SNK Charger ??? 5194mV max 15000mV / 3000mA

 6774 08:37:35.795635  0x3b0

 6775 08:37:35.799236  # [   71.532308]  ksys_write+0x68/0xf0

 6776 08:37:35.808406  # [   71.536348] <6>[   75.166888] PDLOG 2024/02/29 08:35:57.090 P1 SNK Charger ??? 15074mV max 15000mV / 3000mA

 6777 08:37:35.811764   do_syscall_64+0x33/0x40

 6778 08:37:35.818403  # [   71.540689]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6779 08:37:35.821731  # [   71.552876] RIP: 0033:0x7ff01460f473

 6780 08:37:35.841579  # [   71.563413] 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

 6781 08:37:35.851360  # [   71.591032] RSP: 002b:00007ffcc2bc1a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6782 08:37:35.858291  # [   71.599843] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff01460f473

 6783 08:37:35.868064  # [   71.608162] RDX: 000000000000001f RSI: 00007ff014503000 RDI: 0000000000000001

 6784 08:37:35.874673  # [   71.616480] RBP: 00007ff014503000 R08: 00007ff014502010 R09: 0000000000000000

 6785 08:37:35.884420  # [   71.624800] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6786 08:37:35.891735  # [   71.633117] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6787 08:37:35.894736  # [   71.641443] irq event stamp: 0

 6788 08:37:35.904618  # [   71.645182] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6789 08:37:35.911126  # [   71.652530] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6790 08:37:35.921272  # [   71.662022] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6791 08:37:35.927635  # [   71.671513] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6792 08:37:35.934340  # [   71.678856] ---[ end trace f420f41c7bc8ced6 ]---

 6793 08:37:35.940942  # [   71.684339] lkdtm: Negative detected: saturated

 6794 08:37:35.947504  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6795 08:37:35.954162  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6796 08:37:35.957415  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6797 08:37:35.964239  # [   72.048391] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6798 08:37:35.970694  # [   72.058285] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6799 08:37:35.973949  # [   72.065734] lkdtm: Good: zero detected

 6800 08:37:35.980544  # [   72.070274] lkdtm: Correctly stayed at zero

 6801 08:37:35.987341  # [   72.075282] lkdtm: attempting bad refcount_inc() from zero

 6802 08:37:35.990828  # [   72.081752] ------------[ cut here ]------------

 6803 08:37:35.997286  # [   72.087239] refcount_t: addition on 0; use-after-free.

 6804 08:37:36.006978  # [   72.093368] WARNING: CPU: 0 PID: 2286 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6805 08:37:36.046927  # [   72.109383] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6806 08:37:36.057071  # [   72.155803] CPU: 0 PID: 2286 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6807 08:37:36.063454  # [   72.164803] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6808 08:37:36.070332  # [   72.171758] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6809 08:37:36.090455  # [   72.177943] Code: 02 01 e8 89 2d c4 00 0f 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7 8a c6 05 c5 ea 36 02 01 e8 66 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7

 6810 08:37:36.096988  # [   72.199323] RSP: 0018:ffffa900c2b87e48 EFLAGS: 00010286

 6811 08:37:36.103508  # [   72.205499] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6812 08:37:36.112930  # [   72.213813] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 6813 08:37:36.119662  # [   72.222129] RBP: ffffffff8b01a3c1 R08: 0000000000000000 R09: 0000000000000000

 6814 08:37:36.129575  # [   72.230442] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6815 08:37:36.136491  # [   72.238754] R13: ffffa900c2b87f10 R14: ffffa900c2b87f10 R15: ffff9981c2788000

 6816 08:37:36.146275  # [   72.247075] FS:  00<6>[   75.510484] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 6817 08:37:36.152510  <6>[   75.519708] lkdtm: attempting bad refcount_dec() from saturated

 6818 08:37:36.159114  <4>[   75.526689] ------------[ cut here ]------------

 6819 08:37:36.165919  <4>[   75.532175] refcount_t: saturated; leaking memory.

 6820 08:37:36.176115  <4>[   75.537909] WARNING: CPU: 2 PID: 2427 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6821 08:37:36.221805  007fb089df1580(0000) GS:ffff99823bc00000(0000) knlGS:00000000000<4>[   75.547667] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6822 08:37:36.228346  <4>[   75.594116] CPU: 2 PID: 2427 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6823 08:37:36.238369  <4>[   75.603110] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6824 08:37:36.241410  <4>[   75.610063] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6825 08:37:36.264372  <4>[   75.616230] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d f7 8a c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7

 6826 08:37:36.270814  <4>[   75.637607] RSP: 0018:ffffa900c2d87e48 EFLAGS: 00010286

 6827 08:37:36.277427  <4>[   75.643770] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 6828 08:37:36.287385  <4>[   75.652081] RDX: ffff99823bd2c620 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50

 6829 08:37:36.293781  <4>[   75.660398] RBP: ffffffff8b01a413 R08: 0000000000000000 R09: 0000000000000000

 6830 08:37:36.303715  <4>[   75.668715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6831 08:37:36.310623  <4>[   75.677026] R13: ffffa900c2d87f10 R14: ffffa900c2d87f10 R15: ffff9981c26d0000

 6832 08:37:36.320134  <4>[   75.685346] FS:  00007f977535c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 6833 08:37:36.326624  <4>[   75.694736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6834 08:37:36.336841  <4>[   75.701499] CR2: 00007f9775166000 CR3: 0000000103760000 CR4: 00000000003506e0

 6835 08:37:36.340137  <4>[   75.709816] Call Trace:

 6836 08:37:36.343152  <4>[   75.712884]  ? __warn+0x80/0x110

 6837 08:37:36.349740  <4>[   75.716819]  ? refcount_warn_saturate+0x51/0x110

 6838 08:37:36.353061  <4>[   75.722315]  ? report_bug+0x9e/0xc0

 6839 08:37:36.356331  <4>[   75.726549]  ? handle_bug+0x41/0x90

 6840 08:37:36.363074  <4>[   75.730773]  ? exc_invalid_op+0x14/0x70

 6841 08:37:36.363162  00000

 6842 08:37:36.372776  # [   72.256463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000<4>[   75.735384]  ? asm_exc_invalid_op+0x12/0x20

 6843 08:37:36.379479  <4>[   75.746600]  ? refcount_warn_saturate+0x51/0x110

 6844 08:37:36.382637  <4>[   75.752088]  ? refcount_warn_saturate+0x51/0x110

 6845 08:37:36.389291  <4>[   75.757586]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 6846 08:37:36.395949  <4>[   75.763368]  direct_entry.cold+0x2c/0x38

 6847 08:37:36.399079  <4>[   75.768085]  full_proxy_write+0x56/0x80

 6848 08:37:36.402522  <4>[   75.772704]  vfs_write+0xea/0x3b0

 6849 08:37:36.405933  <4>[   75.776739]  ksys_write+0x68/0xf0

 6850 08:37:36.412331  <4>[   75.780776]  do_syscall_64+0x33/0x40

 6851 08:37:36.412446  080050033

 6852 08:37:36.422261  # [   72.263227] CR2: 00007fb089bfb000 CR3: 000000010<4>[   75.785098]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6853 08:37:36.425773  30e4000 CR4: 00000000003506f0

 6854 08:37:36.428952  # [   72.271539] Call Trace:

 6855 08:37:36.435649  # [<4>[   75.797286] RIP: 0033:0x7f9775272473

 6856 08:37:36.439007     72.274603]  ? __warn+0x80/0x110

 6857 08:37:36.462067  # [   72.278539]  ? refcount<4>[   75.807806] 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

 6858 08:37:36.465198  _warn_saturate+0x74/0x110

 6859 08:37:36.475323  # [   72.284033]  ? report_bug+0x9e/0<4>[   75.835401] RSP: 002b:00007ffe8eb53978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6860 08:37:36.478610  xc0

 6861 08:37:36.481876  # [   72.288263]  ? handle_bug+0x41/0x90

 6862 08:37:36.491828  # [   72.292490] <4>[   75.850428] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9775272473

 6863 08:37:36.494974   ? exc_invalid_op+0x14/0x70

 6864 08:37:36.504947  # [   72.297107]  ? asm_exc_invalid<4>[   75.864944] RDX: 0000000000000017 RSI: 00007f9775166000 RDI: 0000000000000001

 6865 08:37:36.515110  _op+0x12/0x20<4>[   75.879468] RBP: 00007f9775166000 R08: 00007f9775165010 R09: 0000000000000000

 6866 08:37:36.515196  

 6867 08:37:36.521672  # [   72.302120]  ? refcount_warn_saturate+0x74/0x110

 6868 08:37:36.531308  # [   7<4>[   75.889030] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6869 08:37:36.541171  2.307622]  ? refcount_warn_saturate+0x74/0x110<4>[   75.903568] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6870 08:37:36.544652  

 6871 08:37:36.547694  <4>[   75.916356] irq event stamp: 0

 6872 08:37:36.551217  # [   72.313122]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6873 08:37:36.561078  # [   72.31<4>[   75.920264] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6874 08:37:36.564282  8417]  direct_entry.cold+0x2c/0x38

 6875 08:37:36.574543  # [   72.323144]  full_proxy<4>[   75.933818] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6876 08:37:36.587536  _write+0x56/0x80<4>[   75.949507] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6877 08:37:36.587626  

 6878 08:37:36.594027  <4>[   75.960516] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6879 08:37:36.597343  # [   72.333970]  vfs_write+0xea/0x3b0

 6880 08:37:36.607212  # [   72.344228]  ksys_w<4>[   75.968023] ---[ end trace f420f41c7bc8cedb ]---

 6881 08:37:36.607294  rite+0x68/0xf0

 6882 08:37:36.610888  # [   72.354487]  do_syscall_64+0x33/0x40

 6883 08:37:36.617312  # [  <6>[   75.979722] lkdtm: Saturation detected: still saturated

 6884 08:37:36.624091   72.358805]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6885 08:37:36.627058  # [   72.364786] RIP: 0033:0x7fb089d07473

 6886 08:37:36.650504  # [   72.369110] 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

 6887 08:37:36.657025  # [   72.390490] RSP: 002b:00007ffefd998408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6888 08:37:36.666915  # [   72.399342] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb089d07473

 6889 08:37:36.673448  # [   72.407684] RDX: 0000000000000012 RSI: 00007fb089bfb000 RDI: 0000000000000001

 6890 08:37:36.683336  # [   72.416006] RBP: 00007fb089bfb000 R08: 00007fb089bfa010 R09: 0000000000000000

 6891 08:37:36.689820  # [   72.424322] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6892 08:37:36.699797  # [   72.432637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6893 08:37:36.702963  # [   72.440964] irq event stamp: 0

 6894 08:37:36.709539  # [   72.444702] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6895 08:37:36.719583  # [   72.452048] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6896 08:37:36.729609  # [   72.461534] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6897 08:37:36.736147  # [   72.471024] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6898 08:37:36.739416  # [   72.478366] ---[ end trace f420f41c7bc8ced7 ]---

 6899 08:37:36.745921  # [   72.483856] lkdtm: Zero detected: saturated

 6900 08:37:36.749239  # REFCOUNT_INC_ZERO: saw 'call trace:': ok

 6901 08:37:36.755889  ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6902 08:37:36.759522  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6903 08:37:36.766012  # [   72.839079] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6904 08:37:36.772673  # [   72.851273] lkdtm: attempting safe refcount_add_not_zero() from zero

 6905 08:37:36.775858  # [   72.858729] lkdtm: Good: zero detected

 6906 08:37:36.782480  # [   72.863244] lkdtm: Correctly stayed at zero

 6907 08:37:36.789282  # [   72.868243] lkdtm: attempting bad refcount_add() from zero

 6908 08:37:36.792314  # [   72.874705] ------------[ cut here ]------------

 6909 08:37:36.798954  # [   72.880192] refcount_t: addition on 0; use-after-free.

 6910 08:37:36.809159  # [   72.886327] WARNING: CPU: 0 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6911 08:37:36.848828  # [   72.896101] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6912 08:37:36.858837  # [   72.942627] CPU: 0 PID: 2319 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6913 08:37:36.865575  # [   72.951629] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6914 08:37:36.871927  # [   72.958589] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6915 08:37:36.892131  # [   72.964768] Code: 02 01 e8 89 2d c4 00 0f 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7 8a c6 05 c5 ea 36 02 01 e8 66 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7

 6916 08:37:36.898332  # [   72.986141] RSP: 0018:ffffa900c2c0fe48 EFLAGS: 00010286

 6917 08:37:36.905066  # [   72.992319] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6918 08:37:36.915004  # [   73.000637] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 6919 08:37:36.921757  # [   73.008960] RBP: ffffffff8b01a3d3 R08: 0000000000000000 R09: 0000000000000000

 6920 08:37:36.931680  # [   73.017283] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6921 08:37:36.938162  # [   73.025597] R13: ffffa900c2c0ff10 R14: ffffa900c2c0ff10 R15: ffff9981c3417000

 6922 08:37:36.948057  # [   73.033908] FS:  00007f7175cdb580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 6923 08:37:36.954789  # [   73.043299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6924 08:37:36.964704  # [   73.050063] CR2: 00007f7175ae5000 CR3: 00000001030ea000 CR4: 00000000003506f0

 6925 08:37:36.964828  # [   73.058379] Call Trace:

 6926 08:37:36.971193  # [   73.067674]  ? __warn+0x80/0x110

 6927 08:37:36.981134  # [   73.071617]  ? refcount_warn_saturate<6>[   76.343308] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 6928 08:37:36.991262  <6>[   76.355642] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 6929 08:37:36.994439  <4>[   76.363490] ------------[ cut here ]------------

 6930 08:37:37.001004  <4>[   76.368979] refcount_t: saturated; leaking memory.

 6931 08:37:37.010933  <4>[   76.374716] WARNING: CPU: 0 PID: 2460 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6932 08:37:37.011056  +0x74/0x110

 6933 08:37:37.017726  # [   73.077113]  ? report_bug+0x9e/0xc0

 6934 08:37:37.057473  # [   73.<4>[   76.384494] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6935 08:37:37.067462  <4>[   76.431017] CPU: 0 PID: 2460 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6936 08:37:37.073851  <4>[   76.440016] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6937 08:37:37.080757  <4>[   76.446962] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6938 08:37:37.100334  <4>[   76.453135] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 8a c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7

 6939 08:37:37.106958  <4>[   76.474516] RSP: 0018:ffffa900c2dffe38 EFLAGS: 00010282

 6940 08:37:37.116708  <4>[   76.480691] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6941 08:37:37.123400  <4>[   76.489004] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 6942 08:37:37.133166  <4>[   76.497325] RBP: ffffffff8b01a040 R08: 0000000000000000 R09: 0000000000000000

 6943 08:37:37.139952  <4>[   76.505644] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6944 08:37:37.149730  <4>[   76.513962] R13: ffffa900c2dfff10 R14: ffffa900c2dfff10 R15: ffff9981c300c000

 6945 08:37:37.159700  <4>[   76.522283] FS:  00007fe73b726580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 6946 08:37:37.166293  <4>[   76.531664] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6947 08:37:37.172923  <4>[   76.538421] CR2: 00007fe73b530000 CR3: 0000000105a9c000 CR4: 00000000003506f0

 6948 08:37:37.176181  <4>[   76.546730] Call Trace:

 6949 08:37:37.179394  <4>[   76.549797]  ? __warn+0x80/0x110

 6950 08:37:37.186109  <4>[   76.553742]  ? refcount_warn_saturate+0x97/0x110

 6951 08:37:37.189363  <4>[   76.559242]  ? report_bug+0x9e/0xc0

 6952 08:37:37.192657  <4>[   76.563477]  ? handle_bug+0x41/0x90

 6953 08:37:37.199112  <4>[   76.567705]  ? exc_invalid_op+0x14/0x70

 6954 08:37:37.202542  <4>[   76.572323]  ? asm_exc_invalid_op+0x12/0x20

 6955 08:37:37.209201  <4>[   76.577340]  ? refcount_warn_saturate+0x97/0x110

 6956 08:37:37.215584  <4>[   76.582835]  ? refcount_warn_saturate+0x97/0x110

 6957 08:37:37.222412  <4>[   76.588327]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6958 08:37:37.228859  <4>[   76.594798]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 6959 08:37:37.232138  <4>[   76.601468]  direct_entry.cold+0x2c/0x38

 6960 08:37:37.238768  <4>[   76.606190]  full_proxy_write+0x56/0x80

 6961 08:37:37.241889  <4>[   76.610811]  vfs_write+0xea/0x3b0

 6962 08:37:37.245306  <4>[   76.614843]  ksys_write+0x68/0xf0

 6963 08:37:37.248399  081343]  ? handle_bug+0x41/0x90

 6964 08:37:37.255240  # [   73.085567]  ? exc_invalid<4>[   76.618892]  do_syscall_64+0x33/0x40

 6965 08:37:37.258457  _op+0x14/0x70

 6966 08:37:37.261640  # [   73.090185]  ? asm_exc_invalid_op+0x12/0x20

 6967 08:37:37.268325  <4>[   76.629436]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6968 08:37:37.268422  

 6969 08:37:37.274868  # [   73.095204]  ? refcount_warn_saturate+0x74/0x110

 6970 08:37:37.278163  # [   73<4>[   76.641625] RIP: 0033:0x7fe73b63c473

 6971 08:37:37.284734  .100700]  ? refcount_warn_saturate+0x74/0x110

 6972 08:37:37.304734  # [   73.106192] <4>[   76.652168] 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

 6973 08:37:37.311256   lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 6974 08:37:37.321100  # [   73.111496]  direct_ent<4>[   76.679776] RSP: 002b:00007ffdaa4ac858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6975 08:37:37.331162  <4>[   76.694818] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe73b63c473

 6976 08:37:37.337635  <4>[   76.703134] RDX: 0000000000000020 RSI: 00007fe73b530000 RDI: 0000000000000001

 6977 08:37:37.347509  <4>[   76.711448] RBP: 00007fe73b530000 R08: 00007fe73b52f010 R09: 0000000000000000

 6978 08:37:37.354295  <4>[   76.719763] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6979 08:37:37.363946  <4>[   76.728077] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6980 08:37:37.367466  <4>[   76.736410] irq event stamp: 0

 6981 08:37:37.373897  <4>[   76.740147] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6982 08:37:37.383828  <4>[   76.747491] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6983 08:37:37.393485  <4>[   76.756978] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 6984 08:37:37.400135  <4>[   76.766475] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6985 08:37:37.406883  <4>[   76.773816] ---[ end trace f420f41c7bc8cedc ]---

 6986 08:37:37.413420  <6>[   76.779311] lkdtm: Saturation detected: still saturated

 6987 08:37:37.413558  ry.cold+0x2c/0x38

 6988 08:37:37.420012  # [   73.116217]  full_proxy_write+0x56/0x80

 6989 08:37:37.423418  # [   73.127058]  vfs_write+0xea/0x3b0

 6990 08:37:37.426637  # [   73.137312]  ksys_write+0x68/0xf0

 6991 08:37:37.429859  # [   73.147570]  do_syscall_64+0x33/0x40

 6992 08:37:37.436724  # [   73.151896]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6993 08:37:37.439811  # [   73.157878] RIP: 0033:0x7f7175bf1473

 6994 08:37:37.463072  # [   73.162202] 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

 6995 08:37:37.469541  # [   73.183571] RSP: 002b:00007ffc870a9b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6996 08:37:37.479692  # [   73.192410] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7175bf1473

 6997 08:37:37.486120  # [   73.206954] RDX: 0000000000000012 RSI: 00007f7175ae5000 RDI: 0000000000000001

 6998 08:37:37.495911  # [   73.215276] RBP: 00007f7175ae5000 R08: 00007f7175ae4010 R09: 0000000000000000

 6999 08:37:37.502575  # [   73.223591] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7000 08:37:37.512595  # [   73.231906] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7001 08:37:37.515874  # [   73.240232] irq event stamp: 0

 7002 08:37:37.522596  # [   73.243967] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7003 08:37:37.532206  # [   73.251310] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7004 08:37:37.542408  # [   73.260796] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7005 08:37:37.548776  # [   73.270282] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7006 08:37:37.552203  # [   73.277620] ---[ end trace f420f41c7bc8ced8 ]---

 7007 08:37:37.559052  # [   73.283110] lkdtm: Zero detected: saturated

 7008 08:37:37.562126  # REFCOUNT_ADD_ZERO: saw 'call trace:': ok

 7009 08:37:37.565464  ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 7010 08:37:37.572178  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 7011 08:37:37.579127  # [   73.664388] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 7012 08:37:37.585403  # [   73.675866] lkdtm: attempting bad refcount_inc() from saturated

 7013 08:37:37.591908  # [   73.682828] ------------[ cut here ]------------

 7014 08:37:37.595402  # [   73.688325] refcount_t: saturated; leaking memory.

 7015 08:37:37.605253  # [   73.694066] WARNING: CPU: 0 PID: 2355 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 7016 08:37:37.644868  # [   73.703843] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7017 08:37:37.654800  # [   73.750278] CPU: 0 PID: 2355 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7018 08:37:37.661450  # [   73.759274] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7019 08:37:37.668013  # [   73.766233] RIP: 0010:refcount_warn_saturate+0x51/0x110

 7020 08:37:37.687976  # [   73.772407] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d f7 8a c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7

 7021 08:37:37.694520  # [   73.800024] RSP: 0018:ffffa900c2c97e48 EFLAGS: 00010286

 7022 08:37:37.704528  # [   73.806197] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 7023 08:37:37.711038  # [   73.814520] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 7024 08:37:37.721012  # [   73.822836] RBP: ffffffff8b01a3e5 R08: 0000000000000000 R09: 0000000000000000

 7025 08:37:37.727873  # [   73.831149] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7026 08:37:37.734318  # [   73.839464] R13: ffffa900c2c97f10 R14: ffffa900c2c97f10 R15: ffff9981c60fe000

 7027 08:37:37.744153  # [   73.847779] FS:  00007f03c6181580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 7028 08:37:37.751066  # [   73.857161] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7029 08:37:37.760977  # [   73.863916] CR2: 00007f03c5f8b000 CR3: 00000001065fc000 CR4: 00000000003506f0

 7030 08:37:37.764062  # [   73.872231] Call Trace:

 7031 08:37:37.767468  # [   73.875305]  ? __warn+0x80/0x110

 7032 08:37:37.770627  # [   73.879248]  ? refcount_warn_saturate+0x51/0x110

 7033 08:37:37.777344  # [   73.884745]  ? report_bug+0x9e/0xc0

 7034 08:37:37.780752  # [   73.888973]  ? handle_bug+0x41/0x90

 7035 08:37:37.783976  # [   73.893197]  ? exc_invalid_op+0x14/0x70

 7036 08:37:37.790719  # [   73.904046]  ? asm_exc_invalid_op+0x12/0x20

 7037 08:37:37.800377  # [   73.909061]  ? refcount_<6>[   77.164559] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 7038 08:37:37.807070  <6>[   77.174061] lkdtm: attempting bad refcount_add_not_zero() from saturated

 7039 08:37:37.813926  <4>[   77.181905] ------------[ cut here ]------------

 7040 08:37:37.817104  warn_saturate+0x51/0x110

 7041 08:37:37.826950  # [   73.914555]  ? refcount_warn_satu<4>[   77.187410] refcount_t: saturated; leaking memory.

 7042 08:37:37.827062  rate+0x51/0x110

 7043 08:37:37.843439  # [   73.920048]  lkdtm_REFCOUNT_INC_SATURATED+<4>[   77.199396] WARNING: CPU: 0 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7044 08:37:37.843555  0x3c/0x64

 7045 08:37:37.846915  # [   73.925835]  direct_entry.cold+0x2c/0x38

 7046 08:37:37.889995  # [   <4>[   77.215400] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7047 08:37:37.896569  <4>[   77.261854] CPU: 0 PID: 2493 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7048 08:37:37.903020  <4>[   77.270858] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7049 08:37:37.909808  <4>[   77.277815] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7050 08:37:37.932838  <4>[   77.283998] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 8a c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7

 7051 08:37:37.935902  73.930559]  full_proxy_write+0x56/0x80

 7052 08:37:37.942627  # [   73.935181]  vfs_wr<4>[   77.305373] RSP: 0018:ffffa900c2e67e38 EFLAGS: 00010282

 7053 08:37:37.952846  <4>[   77.317790] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7054 08:37:37.962506  <4>[   77.326116] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 7055 08:37:37.969268  <4>[   77.334438] RBP: ffffffff8b01a060 R08: 0000000000000000 R09: 0000000000000000

 7056 08:37:37.979110  <4>[   77.342758] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7057 08:37:37.985771  <4>[   77.351073] R13: ffffa900c2e67f10 R14: ffffa900c2e67f10 R15: ffff9981c591e000

 7058 08:37:37.988906  ite+0xea/0x3b0

 7059 08:37:37.992247  # [   73.939219]  ksys_write+0x68/0xf0

 7060 08:37:38.002239  # [   73<4>[   77.359382] FS:  00007f10cf703580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 7061 08:37:38.008870  <4>[   77.374999] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7062 08:37:38.015417  <4>[   77.381759] CR2: 00007f10cf50d000 CR3: 00000001061d8000 CR4: 00000000003506f0

 7063 08:37:38.018811  <4>[   77.390074] Call Trace:

 7064 08:37:38.021925  <4>[   77.393145]  ? __warn+0x80/0x110

 7065 08:37:38.028773  <4>[   77.397084]  ? refcount_warn_saturate+0x97/0x110

 7066 08:37:38.031961  <4>[   77.402583]  ? report_bug+0x9e/0xc0

 7067 08:37:38.038492  <4>[   77.406817]  ? handle_bug+0x41/0x90

 7068 08:37:38.041747  <4>[   77.411044]  ? exc_invalid_op+0x14/0x70

 7069 08:37:38.048489  <4>[   77.415669]  ? asm_exc_invalid_op+0x12/0x20

 7070 08:37:38.051609  <4>[   77.420679]  ? refcount_warn_saturate+0x97/0x110

 7071 08:37:38.058305  <4>[   77.426175]  ? refcount_warn_saturate+0x97/0x110

 7072 08:37:38.064989  <4>[   77.431669]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7073 08:37:38.071341  <4>[   77.438147]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 7074 08:37:38.074909  .949479]  do_syscall_64+0x33/0x40

 7075 08:37:38.081339  # [   73.960015]  entry_SYSCA<4>[   77.444819]  direct_entry.cold+0x2c/0x38

 7076 08:37:38.084716  LL_64_after_hwframe+0x62/0xc7

 7077 08:37:38.094667  # [   73.972210] RIP: 0033:0x7f03<4>[   77.455741]  full_proxy_write+0x56/0x80

 7078 08:37:38.094772  c6097473

 7079 08:37:38.104376  # [   73.982752] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 0<4>[   77.466587]  vfs_write+0xea/0x3b0

 7080 08:37:38.108054  <4>[   77.476842]  ksys_write+0x68/0xf0

 7081 08:37:38.111261  <4>[   77.480884]  do_syscall_64+0x33/0x40

 7082 08:37:38.117554  <4>[   77.485207]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7083 08:37:38.121145  <4>[   77.491187] RIP: 0033:0x7f10cf619473

 7084 08:37:38.144016  <4>[   77.495511] 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

 7085 08:37:38.150588  <4>[   77.516930] RSP: 002b:00007ffe9a9a7088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7086 08:37:38.160901  <4>[   77.525780] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f10cf619473

 7087 08:37:38.170531  <4>[   77.534101] RDX: 0000000000000020 RSI: 00007f10cf50d000 RDI: 0000000000000001

 7088 08:37:38.183853  2 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85<4>[   77.542409] RBP: 00007f10cf50d000 R08: 00007f10cf50c010 R09: 0000000000000000

 7089 08:37:38.190328  <4>[   77.556966] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7090 08:37:38.200201  <4>[   77.565285] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7091 08:37:38.203313  <4>[   77.573613] irq event stamp: 0

 7092 08:37:38.209980  <4>[   77.577342] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7093 08:37:38.219975  <4>[   77.584687] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7094 08:37:38.229994  <4>[   77.594178] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7095 08:37:38.236303  <4>[   77.603667] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7096 08:37:38.242827  <4>[   77.611007] ---[ end trace f420f41c7bc8cedd ]---

 7097 08:37:38.249388  <6>[   77.616497] lkdtm: Saturation detected: still saturated

 7098 08:37:38.259465   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

 7099 08:37:38.266128  # [   74.010350] RSP: 002b:00007ffd9f5cd098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7100 08:37:38.275927  # [   74.025395] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f03c6097473

 7101 08:37:38.282569  # [   74.036324] RDX: 0000000000000017 RSI: 00007f03c5f8b000 RDI: 0000000000000001

 7102 08:37:38.292424  # [   74.050875] RBP: 00007f03c5f8b000 R08: 00007f03c5f8a010 R09: 0000000000000000

 7103 08:37:38.299107  # [   74.061627] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7104 08:37:38.308900  # [   74.070122] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7105 08:37:38.312379  # [   74.084677] irq event stamp: 0

 7106 08:37:38.318731  # [   74.094635] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7107 08:37:38.328692  # [   74.108210] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7108 08:37:38.338828  # [   74.123921] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7109 08:37:38.345500  # [   74.139627] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7110 08:37:38.352183  # [   74.153194] ---[ end trace f420f41c7bc8ced9 ]---

 7111 08:37:38.355229  # [   74.161401] lkdtm: Saturation detected: still saturated

 7112 08:37:38.365128  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 7113 08:37:38.368556  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 7114 08:37:38.371955  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 7115 08:37:38.381916  # [   74.540221] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 7116 08:37:38.388331  # [   74.548900] lkdtm: attempting bad refcount_dec() from saturated

 7117 08:37:38.391677  # [   74.555863] ------------[ cut here ]------------

 7118 08:37:38.398429  # [   74.561354] refcount_t: decrement hit 0; leaking memory.

 7119 08:37:38.408515  # [   74.567676] WARNING: CPU: 2 PID: 2391 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 7120 08:37:38.448345  # [   74.577454] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7121 08:37:38.458215  # [   74.623931] CPU: 2 PID: 2391 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7122 08:37:38.464759  # [   74.632931] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7123 08:37:38.471065  # [   74.639887] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 7124 08:37:38.491005  # [   74.646063] Code: a8 4e f7 8a c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e f7 8a c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 7125 08:37:38.497643  # [   74.667437] RSP: 0018:ffffa900c2d0fe48 EFLAGS: 00010286

 7126 08:37:38.504146  # [   74.673613] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 7127 08:37:38.514231  # [   74.681929] RDX: ffff99823bd2c620 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50

 7128 08:37:38.521117  # [   74.690250] RBP: ffffffff8b01a3fc R08: 0000000000000000 R09: 0000000000000000

 7129 08:37:38.530871  # [   74.698565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7130 08:37:38.537530  # [   74.706879] R13: ffffa900c2d0ff10 R14: ffffa900c2d0ff10 R15: ffff9981c30ee000

 7131 08:37:38.547387  # [   74.715197] FS:  00007fd7b6aa2580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 7132 08:37:38.554000  # [   74.724586] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7133 08:37:38.564057  # [   74.731344] CR2: 00007fd7b68ac000 CR3: 0000000106058000 CR4: 00000000003506e0

 7134 08:37:38.564203  # [   74.739661] Call Trace:

 7135 08:37:38.570777  # [   74.742728]  ? __warn+0x80/0x110

 7136 08:37:38.573987  # [   74.746664]  ? refcount_warn_saturate+0xfb/0x110

 7137 08:37:38.577028  # [   74.752162]  ? report_bug+0x9e/0xc0

 7138 08:37:38.583894  # [   74.756395]  ? handle_bug+0x41/0x90

 7139 08:37:38.586929  # [   74.766837]  ? exc_invalid_op+0x14/0x70

 7140 08:37:38.593546  # [   74.777667]  ? asm_exc_invalid_op+0x12/0x20

 7141 08:37:38.597073  # [   74.788898]  ? refcount_warn_saturate+0xfb/0x110

 7142 08:37:38.603486  # [   74.800607]  ? refcount_warn_saturate+0xfb/0x110

 7143 08:37:38.610238  # [   74.812319]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 7144 08:37:38.613405  # [   74.824331]  direct_entry.cold+0x2c/0x38

 7145 08:37:38.626852  # [   74.835261]  full_proxy_write+0x56/0x<6>[   77.986103] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7146 08:37:38.626980  80

 7147 08:37:38.629902  # [   74.846103]  vfs_write+0xea/0x3b0

 7148 08:37:38.640021  # [   74.856361]  ks<6>[   77.998834] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7149 08:37:38.640145  ys_write+0x68/0xf0

 7150 08:37:38.646483  # [   74.866618]  do_syscall_64+0x33/0x40

 7151 08:37:38.650086  #<4>[   78.012916] ------------[ cut here ]------------

 7152 08:37:38.656739   [   74.877165]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7153 08:37:38.663033  # [  <4>[   78.024626] refcount_t: underflow; use-after-free.

 7154 08:37:38.666209   74.889376] RIP: 0033:0x7fd7b69b8473

 7155 08:37:38.679631  # [   74.899918] Code: 8b <4>[   78.036582] WARNING: CPU: 3 PID: 2529 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7156 08:37:38.726038  15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0<4>[   78.052601] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7157 08:37:38.739394  0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> <4>[   78.099012] CPU: 3 PID: 2529 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7158 08:37:38.745969  3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7159 08:37:38.752389  <4>[   78.114181] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7160 08:37:38.765699  # [   74.914849] PDLOG 2024/02/29 08:35:53.900 P0 SNK (not charg<4>[   78.127386] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7161 08:37:38.768851  ing) Charger ??? 5000mV max 5000mV / 500mA

 7162 08:37:38.795520  # [   74.927593] RSP<4>[   78.139767] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 8a c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7

 7163 08:37:38.805271  : 002b:00007ffd5c810a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000<4>[   78.167401] RSP: 0018:ffffa900c2ef7e40 EFLAGS: 00010286

 7164 08:37:38.805371  001

 7165 08:37:38.822029  # [   74.941320] PDLOG 2024/02/29 08:35:53.900 P1 Disconnec<4>[   78.179771] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7166 08:37:38.822123  ted

 7167 08:37:38.835233  # [   74.949315] RAX: ffffffffffffffda RBX: 000000000000001<4>[   78.194339] RDX: ffff99823bdac620 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50

 7168 08:37:38.838484  7 RCX: 00007fd7b69b8473

 7169 08:37:38.848143  # [   74.949319] RDX: 0000000000000017 <4>[   78.208858] RBP: ffffffff8b01a080 R08: 0000000000000000 R09: 0000000000000000

 7170 08:37:38.854724  RSI: 00007fd7b68ac000 RDI: 0000000000000001

 7171 08:37:38.864652  # [   74.949322] RB<4>[   78.223423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7172 08:37:38.871238  P: 00007fd7b68ac000 R08: 00007fd7b68ab010 R09: 0000000000000000

 7173 08:37:38.877963  <4>[   78.237942] R13: ffffa900c2ef7f10 R14: ffffa900c2ef7f10 R15: ffff9981c609b000

 7174 08:37:38.878089  

 7175 08:37:38.894360  # [   74.949326] R10: fffffffffffffbc5 R11: 0000000000000246 R1<4>[   78.252487] FS:  00007f4f1107c580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 7176 08:37:38.897951  2: 0000000000000001

 7177 08:37:38.907789  # [   74.949335] R13: 0000000000000001 R14:<4>[   78.268105] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7178 08:37:38.911396   0000000000020000 R15: 0000000000020000

 7179 08:37:38.921119  # [   74.958948] PDLOG <4>[   78.281108] CR2: 00007f4f10e86000 CR3: 0000000105baa000 CR4: 00000000003506e0

 7180 08:37:38.931090  2024/02/29 08:35:53.967 P0 SNK (not charging) Charger ??? 5000mV<4>[   78.295907] Call Trace:

 7181 08:37:38.934305   max 5000mV / 1500mA

 7182 08:37:38.937430  # [   74.966719] irq event stamp: 0

 7183 08:37:38.940784  # [  <4>[   78.304985]  ? __warn+0x80/0x110

 7184 08:37:38.954054   74.966725] hardirqs last  enabled at (0): [<0000000000000000>] <4>[   78.315254]  ? refcount_warn_saturate+0xba/0x110

 7185 08:37:38.954141  0x0

 7186 08:37:38.963901  # [   74.966739] hardirqs last disabled at (0): [<ffffffff8<4>[   78.326945]  ? report_bug+0x9e/0xc0

 7187 08:37:38.967180  8cfd6dc>] copy_process+0x65c/0x20e0

 7188 08:37:38.973981  # [   74.975705] PDLOG 2024<4>[   78.337389]  ? handle_bug+0x41/0x90

 7189 08:37:38.983933  /02/29 08:35:53.967 P1 SNK (not charging) Charger ??? 5000mV max<4>[   78.347696]  ? exc_invalid_op+0x14/0x70

 7190 08:37:38.986961   5000mV / 3000mA

 7191 08:37:38.996900  # [   74.989732] softirqs last  enabled at (0)<4>[   78.358639]  ? asm_exc_invalid_op+0x12/0x20

 7192 08:37:39.000434  : [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7193 08:37:39.006974  # [   74.98973<4>[   78.369795]  ? refcount_warn_saturate+0xba/0x110

 7194 08:37:39.013494  6] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7195 08:37:39.020138  # [ <4>[   78.381533]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7196 08:37:39.026977    74.989740] ---[ end trace f420f41c7bc8ceda ]---

 7197 08:37:39.033178  # [   74.9897<4>[   78.394195]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7198 08:37:39.036572  48] lkdtm: Saturation detected: still saturated

 7199 08:37:39.043363  # [   75.004758<4>[   78.407094]  direct_entry.cold+0x2c/0x38

 7200 08:37:39.056661  ] PDLOG 2024/02/29 08:35:54.114 P1 SNK Charger ??? 5194mV max 15<4>[   78.417995]  full_proxy_write+0x56/0x80

 7201 08:37:39.056779  000mV / 3000mA

 7202 08:37:39.066430  # [   75.120531] PDLOG 2024/02/29 08:35:54.218 P<4>[   78.428989]  vfs_write+0xea/0x3b0

 7203 08:37:39.073100  0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA

 7204 08:37:39.076285  # [<4>[   78.439162]  ksys_write+0x68/0xf0

 7205 08:37:39.086197     75.135848] PDLOG 2024/02/29 08:35:54.230 P1 SNK Charger ??? 1<4>[   78.449427]  do_syscall_64+0x33/0x40

 7206 08:37:39.089356  432mV max 5000mV / 3000mA

 7207 08:37:39.099303  # [   75.151311] PDLOG 2024/02/29 08:<4>[   78.459913]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7208 08:37:39.102948  35:55.208 P1 SNK Charger ??? 5194mV max 15000mV / 3000mA

 7209 08:37:39.109364  # [   <4>[   78.472147] RIP: 0033:0x7f4f10f92473

 7210 08:37:39.135752  75.166888] PDLOG 2024/02/29 08:35:57.090 P1 SNK Charger ??? 1507<4>[   78.482635] 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

 7211 08:37:39.139135  4mV max 15000mV / 3000mA

 7212 08:37:39.152279  # REFCOUNT_DEC_SATURATED: saw 'Saturat<4>[   78.510367] RSP: 002b:00007ffc21ea4be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7213 08:37:39.155762  ion detected: still saturated': ok

 7214 08:37:39.165601  ok 53 selftests: lkdtm: REFC<4>[   78.525381] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4f10f92473

 7215 08:37:39.169011  OUNT_DEC_SATURATED.sh

 7216 08:37:39.182253  # selftests: lkdtm: REFCOUNT_ADD_SATURATE<4>[   78.539930] RDX: 0000000000000020 RSI: 00007f4f10e86000 RDI: 0000000000000001

 7217 08:37:39.182356  D.sh

 7218 08:37:39.195407  # [   75.510484] lkdtm: Performing direct entry REFCOUNT_A<4>[   78.554479] RBP: 00007f4f10e86000 R08: 00007f4f10e85010 R09: 0000000000000000

 7219 08:37:39.195524  DD_SATURATED

 7220 08:37:39.208434  # [   75.519708] lkdtm: attempting bad refcount_de<4>[   78.569027] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7221 08:37:39.211780  c() from saturated

 7222 08:37:39.225073  # [   75.526689] ------------[ cut here ]---<4>[   78.583554] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7223 08:37:39.225233  ---------

 7224 08:37:39.235061  # [   75.532175] refcount_t: saturated; leaking memor<4>[   78.598087] irq event stamp: 0

 7225 08:37:39.235173  y.

 7226 08:37:39.248094  # [   75.537909] WARNING: CPU: 2 PID: 2427 at lib/refcount.c<4>[   78.607967] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7227 08:37:39.251733  :22 refcount_warn_saturate+0x51/0x110

 7228 08:37:39.264887  # [   75.547667] Modules <4>[   78.621680] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7229 08:37:39.277900  linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_e<4>[   78.637290] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7230 08:37:39.294613  c_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_<4>[   78.653020] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7231 08:37:39.304163  logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x8<4>[   78.666476] ---[ end trace f420f41c7bc8cede ]---

 7232 08:37:39.317726  6_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 s<6>[   78.678228] lkdtm: Saturation detected: still saturated

 7233 08:37:39.330970  nd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7234 08:37:39.337678  # [   75.594116] CPU: 2 PID: 2427 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7235 08:37:39.343940  # [   75.603110] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7236 08:37:39.350555  # [   75.610063] RIP: 0010:refcount_warn_saturate+0x51/0x110

 7237 08:37:39.373763  # [   75.616230] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d f7 8a c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7

 7238 08:37:39.377264  # [   75.637607] RSP: 0018:ffffa900c2d87e48 EFLAGS: 00010286

 7239 08:37:39.387145  # [   75.643770] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 7240 08:37:39.393711  # [   75.652081] RDX: ffff99823bd2c620 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50

 7241 08:37:39.403781  # [   75.660398] RBP: ffffffff8b01a413 R08: 0000000000000000 R09: 0000000000000000

 7242 08:37:39.410123  # [   75.668715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7243 08:37:39.420289  # [   75.677026] R13: ffffa900c2d87f10 R14: ffffa900c2d87f10 R15: ffff9981c26d0000

 7244 08:37:39.430026  # [   75.685346] FS:  00007f977535c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000

 7245 08:37:39.436766  # [   75.694736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7246 08:37:39.443440  # [   75.701499] CR2: 00007f9775166000 CR3: 0000000103760000 CR4: 00000000003506e0

 7247 08:37:39.446836  # [   75.709816] Call Trace:

 7248 08:37:39.449960  # [   75.712884]  ? __warn+0x80/0x110

 7249 08:37:39.456540  # [   75.716819]  ? refcount_warn_saturate+0x51/0x110

 7250 08:37:39.459727  # [   75.722315]  ? report_bug+0x9e/0xc0

 7251 08:37:39.463370  # [   75.726549]  ? handle_bug+0x41/0x90

 7252 08:37:39.469804  # [   75.730773]  ? exc_invalid_op+0x14/0x70

 7253 08:37:39.473238  # [   75.735384]  ? asm_exc_invalid_op+0x12/0x20

 7254 08:37:39.479573  # [   75.746600]  ? refcount_warn_saturate+0x51/0x110

 7255 08:37:39.483199  # [   75.752088]  ? refcount_warn_saturate+0x51/0x110

 7256 08:37:39.489753  # [   75.757586]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 7257 08:37:39.492977  # [   75.763368]  direct_entry.cold+0x2c/0x38

 7258 08:37:39.499740  # [   75.768085]  full_proxy_write+0x56/0x80

 7259 08:37:39.502813  # [   75.772704]  vfs_write+0xea/0x3b0

 7260 08:37:39.506335  # [   75.776739]  ksys_write+0x68/0xf0

 7261 08:37:39.509488  # [   75.780776]  do_syscall_64+0x33/0x40

 7262 08:37:39.516086  # [   75.785098]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7263 08:37:39.519264  # [   75.797286] RIP: 0033:0x7f9775272473

 7264 08:37:39.542473  # [   75.807806] 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

 7265 08:37:39.549273  # [   75.835401] RSP: 002b:00007ffe8eb53978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7266 08:37:39.558901  # [   75.850428] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9775272473

 7267 08:37:39.565838  # [   75.864944] RDX: 0000000000000017 RSI: 00007f9775166000 RDI: 0000000000000001

 7268 08:37:39.575882  # [   75.879468] RBP: 00007f9775166000 R08: 00007f9775165010 R09: 0000000000000000

 7269 08:37:39.582209  # [   75.889030] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7270 08:37:39.592266  # [   75.903568] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7271 08:37:39.595481  # [   75.916356] irq event stamp: 0

 7272 08:37:39.602084  # [   75.920264] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7273 08:37:39.612378  # [   75.933818] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7274 08:37:39.622008  # [   75.949507] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7275 08:37:39.628754  # [   75.960516] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7276 08:37:39.635331  # [   75.968023] ---[ end trace f420f41c7bc8cedb ]---

 7277 08:37:39.638761  # [   75.979722] lkdtm: Saturation detected: still saturated

 7278 08:37:39.648572  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok

 7279 08:37:39.651934  ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7280 08:37:39.658676  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7281 08:37:39.665272  # [   76.343308] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 7282 08:37:39.671688  # [   76.355642] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 7283 08:37:39.678527  # [   76.363490] ------------[ cut here ]------------

 7284 08:37:39.684986  # [   76.368979] refcount_t: saturated; leaking memory.

 7285 08:37:39.691582  # [   76.37<6>[   79.056368] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7286 08:37:39.701814  <6>[   79.066764] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7287 08:37:39.711677  4716] WARNING: CPU: 0 PID: 2460 at lib/refcount.c:19 refcount_wa<4>[   79.074615] ------------[ cut here ]------------

 7288 08:37:39.714902  rn_saturate+0x97/0x110

 7289 08:37:39.724726  # [   76.384494] Modules linked in: fuse<4>[   79.086345] refcount_t: underflow; use-after-free.

 7290 08:37:39.741029   ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvide<4>[   79.098329] WARNING: CPU: 1 PID: 2565 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7291 08:37:39.787307  o cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf<4>[   79.114316] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7292 08:37:39.803885  2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_ther<4>[   79.160717] CPU: 1 PID: 2565 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7293 08:37:39.813942  mal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357<4>[   79.175910] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7294 08:37:39.827190  a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dm<4>[   79.189096] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7295 08:37:39.833568  aengine regmap_i2c chromeos_pstore coreboot_table

 7296 08:37:39.856993  # [   76.4310<4>[   79.201473] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 8a c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7

 7297 08:37:39.866984  17] CPU: 0 PID: 2460 Comm: cat Tainted: G      D W         5.10.<4>[   79.229035] RSP: 0018:ffffa900c2f5fe40 EFLAGS: 00010286

 7298 08:37:39.870203  209-cip44 #1

 7299 08:37:39.883405  # [   76.440016] Hardware name: Google Coral/Coral<4>[   79.241417] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7300 08:37:39.883514  , BIOS  09/29/2020

 7301 08:37:39.896815  # [   76.446962] RIP: 0010:refcount_warn_sat<4>[   79.255936] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50

 7302 08:37:39.899900  urate+0x97/0x110

 7303 08:37:39.912943  # [   76.453135] Code: 02 01 e8 66 2d c4 00 0f<4>[   79.270459] RBP: ffffffff8b01a0a0 R08: 0000000000000000 R09: 0000000000000000

 7304 08:37:39.926430   0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 <4>[   79.284984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7305 08:37:39.939797  8a c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80<4>[   79.299506] R13: ffffa900c2f5ff10 R14: ffffa900c2f5ff10 R15: ffff9981c3bce000

 7306 08:37:39.946106   3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7

 7307 08:37:39.956160  # [   76.474516] RSP<4>[   79.314025] FS:  00007fae0b5db580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 7308 08:37:39.959270  : 0018:ffffa900c2dffe38 EFLAGS: 00010282

 7309 08:37:39.969348  # [   76.480691] RAX: <4>[   79.329642] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7310 08:37:39.975979  0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7311 08:37:39.982712  # <4>[   79.342615] CR2: 00007fae0b3e5000 CR3: 000000010487e000 CR4: 00000000003506e0

 7312 08:37:39.992330  [   76.489004] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: <4>[   79.357155] Call Trace:

 7313 08:37:39.995976  ffff99823bc1bf50

 7314 08:37:40.002462  # [   76.497325] RBP: ffffffff8b01a040 R08: 00<4>[   79.366448]  ? __warn+0x80/0x110

 7315 08:37:40.005508  00000000000000 R09: 0000000000000000

 7316 08:37:40.015486  # [   76.505644] R10: 0000<4>[   79.376589]  ? refcount_warn_saturate+0xba/0x110

 7317 08:37:40.018943  0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7318 08:37:40.025337  # [   <4>[   79.388305]  ? report_bug+0x9e/0xc0

 7319 08:37:40.035296  76.513962] R13: ffffa900c2dfff10 R14: ffffa900c2dfff10 R15: ffff<4>[   79.398762]  ? handle_bug+0x41/0x90

 7320 08:37:40.038841  9981c300c000

 7321 08:37:40.045375  # [   76.522283] FS:  00007fe73b726580(0000) GS:ff<4>[   79.409205]  ? exc_invalid_op+0x14/0x70

 7322 08:37:40.051768  ff99823bc00000(0000) knlGS:0000000000000000

 7323 08:37:40.058622  # [   76.531664] CS<4>[   79.420048]  ? asm_exc_invalid_op+0x12/0x20

 7324 08:37:40.061846  :  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7325 08:37:40.068544  # [   76.538421<4>[   79.431261]  ? refcount_warn_saturate+0xba/0x110

 7326 08:37:40.081469  ] CR2: 00007fe73b530000 CR3: 0000000105a9c000 CR4: 0000000000350<4>[   79.442952]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7327 08:37:40.081590  6f0

 7328 08:37:40.085143  # [   76.546730] Call Trace:

 7329 08:37:40.094753  # [   76.549797]  ? __warn+0x<4>[   79.455633]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7330 08:37:40.094835  80/0x110

 7331 08:37:40.101301  # [   76.553742]  ? refcount_warn_saturate+0x97/0x110

 7332 08:37:40.104719  <4>[   79.468531]  direct_entry.cold+0x2c/0x38

 7333 08:37:40.104801  

 7334 08:37:40.111266  # [   76.559242]  ? report_bug+0x9e/0xc0

 7335 08:37:40.118122  # [   76.563477]  ? h<4>[   79.479461]  full_proxy_write+0x56/0x80

 7336 08:37:40.118204  andle_bug+0x41/0x90

 7337 08:37:40.127648  # [   76.567705]  ? exc_invalid_op+0x14/0x7<4>[   79.490298]  vfs_write+0xea/0x3b0

 7338 08:37:40.127729  0

 7339 08:37:40.131276  # [   76.572323]  ? asm_exc_invalid_op+0x12/0x20

 7340 08:37:40.137676  # [   76.57<4>[   79.500542]  ksys_write+0x68/0xf0

 7341 08:37:40.141046  7340]  ? refcount_warn_saturate+0x97/0x110

 7342 08:37:40.147372  # [   76.582835]  ? <4>[   79.510787]  do_syscall_64+0x33/0x40

 7343 08:37:40.150890  refcount_warn_saturate+0x97/0x110

 7344 08:37:40.160768  # [   76.588327]  __refcount_<4>[   79.521326]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7345 08:37:40.163893  add_not_zero.constprop.0+0x2a/0x35

 7346 08:37:40.170726  # [   76.594798]  lkdtm_REFC<4>[   79.533526] RIP: 0033:0x7fae0b4f1473

 7347 08:37:40.173818  OUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 7348 08:37:40.197269  # [   76.601468]  direct_<4>[   79.544062] 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

 7349 08:37:40.200199  entry.cold+0x2c/0x38

 7350 08:37:40.213494  # [   76.606190]  full_proxy_write+0x56/0x<4>[   79.571661] RSP: 002b:00007fff0cdca208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7351 08:37:40.213636  80

 7352 08:37:40.216985  # [   76.610811]  vfs_write+0xea/0x3b0

 7353 08:37:40.226973  # [   76.614843]  ks<4>[   79.586681] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fae0b4f1473

 7354 08:37:40.230100  ys_write+0x68/0xf0

 7355 08:37:40.233375  # [   76.618892]  do_syscall_64+0x33/0x40

 7356 08:37:40.243191  #<4>[   79.601225] RDX: 0000000000000020 RSI: 00007fae0b3e5000 RDI: 0000000000000001

 7357 08:37:40.246479   [   76.629436]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7358 08:37:40.256474  # [  <4>[   79.615754] RBP: 00007fae0b3e5000 R08: 00007fae0b3e4010 R09: 0000000000000000

 7359 08:37:40.259701   76.641625] RIP: 0033:0x7fe73b63c473

 7360 08:37:40.269809  # [   76.652168] Code: 8b <4>[   79.630301] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7361 08:37:40.286386  15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0<4>[   79.644843] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7362 08:37:40.296307  0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> <4>[   79.659393] irq event stamp: 0

 7363 08:37:40.302723  3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7364 08:37:40.309462  <4>[   79.669349] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7365 08:37:40.325843  # [   76.679776] RSP: 002b:00007ffdaa4ac858 EFLAGS: 00000246 ORI<4>[   79.682905] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7366 08:37:40.325957  G_RAX: 0000000000000001

 7367 08:37:40.339291  # [   76.694818] RAX: ffffffffffffffda <4>[   79.698606] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7368 08:37:40.345661  RBX: 0000000000000020 RCX: 00007fe73b63c473

 7369 08:37:40.355669  # [   76.703134] RD<4>[   79.714324] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7370 08:37:40.362113  X: 0000000000000020 RSI: 00007fe73b530000 RDI: 0000000000000001

 7371 08:37:40.365544  <4>[   79.727898] ---[ end trace f420f41c7bc8cedf ]---

 7372 08:37:40.365652  

 7373 08:37:40.378634  # [   76.711448] RBP: 00007fe73b530000 R08: 00007fe73b52f010 R0<6>[   79.739612] lkdtm: Saturation detected: still saturated

 7374 08:37:40.381857  9: 0000000000000000

 7375 08:37:40.388601  # [   76.719763] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7376 08:37:40.395498  # [   76.728077] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7377 08:37:40.402260  # [   76.736410] irq event stamp: 0

 7378 08:37:40.408772  # [   76.740147] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7379 08:37:40.418468  # [   76.747491] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7380 08:37:40.424957  # [   76.756978] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7381 08:37:40.434888  # [   76.766475] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7382 08:37:40.438464  # [   76.773816] ---[ end trace f420f41c7bc8cedc ]---

 7383 08:37:40.444983  # [   76.779311] lkdtm: Saturation detected: still saturated

 7384 08:37:40.451576  # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7385 08:37:40.454910  ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7386 08:37:40.461424  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7387 08:37:40.471362  # [   77.164559] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 7388 08:37:40.478223  # [   77.174061] lkdtm: attempting bad refcount_add_not_zero() from saturated

 7389 08:37:40.481568  # [   77.181905] ------------[ cut here ]------------

 7390 08:37:40.488062  # [   77.187410] refcount_t: saturated; leaking memory.

 7391 08:37:40.497815  # [   77.199396] WARNING: CPU: 0 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7392 08:37:40.537982  # [   77.215400] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7393 08:37:40.547618  # [   77.261854] CPU: 0 PID: 2493 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7394 08:37:40.554061  # [   77.270858] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7395 08:37:40.560975  # [   77.277815] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7396 08:37:40.580710  # [   77.283998] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 8a c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7

 7397 08:37:40.587389  # [   77.305373] RSP: 0018:ffffa900c2e67e38 EFLAGS: 00010282

 7398 08:37:40.594080  # [   77.317790] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7399 08:37:40.603800  # [   77.326116] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50

 7400 08:37:40.610537  # [   77.334438] RBP: ffffffff8b01a060 R08: 0000000000000000 R09: 0000000000000000

 7401 08:37:40.620674  # [   77.342758] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7402 08:37:40.627233  # [   77.351073] R13: ffffa900c2e67f10 R14: ffffa900c2e67f10 R15: ffff9981c591e000

 7403 08:37:40.636869  # [   77.359382] FS:  00007f10cf703580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000

 7404 08:37:40.643841  # [   77.374999] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7405 08:37:40.653551  # [   77.381759] CR2: 00007f10cf50d000 CR3: 00000001061d8000 CR4: 00000000003506f0

 7406 08:37:40.653639  # [   77.390074] Call Trace:

 7407 08:37:40.660402  # [   77.393145]  ? __warn+0x80/0x110

 7408 08:37:40.663702  # [   77.397084]  ? refcount_warn_saturate+0x97/0x110

 7409 08:37:40.666898  # [   77.402583]  ? report_bug+0x9e/0xc0

 7410 08:37:40.673584  # [   77.406817]  ? handle_bug+0x41/0x90

 7411 08:37:40.676793  # [   77.411044]  ? exc_invalid_op+0x14/0x70

 7412 08:37:40.683380  # [   77.415669]  ? asm_exc_invalid_op+0x12/0x20

 7413 08:37:40.686703  # [   77.420679]  ? refcount_warn_saturate+0x97/0x110

 7414 08:37:40.693322  # [   77.426175]  ? refcount_warn_saturate+0x97/0x110

 7415 08:37:40.699943  # [   77.431669]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7416 08:37:40.706741  # [   77.438147]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 7417 08:37:40.709738  # [   77.444819]  direct_entry.cold+0x2c/0x38

 7418 08:37:40.713246  # [   77.455741]  full_proxy_write+0x56/0x80

 7419 08:37:40.720006  # [   77.466587]  vfs_write+0xea/0x3b0

 7420 08:37:40.723143  # [   77.476842]  ksys_write+0x68/0xf0

 7421 08:37:40.726549  # [   77.480884]  do_syscall_64+0x33/0x40

 7422 08:37:40.732996  # [   77.485207]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7423 08:37:40.736292  # [   77.491187] RIP: 0033:0x7f10cf619473

 7424 08:37:40.756322  # [   77.495511] 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

 7425 08:37:40.766342  # [   77.516930] RSP: 002b:00007ffe9a9a7088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7426 08:37:40.776174  # [   77.525780] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f10cf619473

 7427 08:37:40.782927  # [   77.534101] RDX: 0000000000000020 RSI: 00007f10cf50d000 RDI: 0000000000000001

 7428 08:37:40.792673  # [   77.542409] RBP: 00007f10cf50d000 R08: 00007f10cf50c010 R09: 0000000000000000

 7429 08:37:40.799287  # [   77.556966] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7430 08:37:40.805954  # [   77.565285] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7431 08:37:40.812712  # [   77.573613] irq event stamp: 0

 7432 08:37:40.819462  # [   77.577342] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7433 08:37:40.829076  # [   77.584687] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7434 08:37:40.835992  # [   77.594178] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7435 08:37:40.845712  # [   77.603667] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7436 08:37:40.849306  # [   77.611007] ---[ end trace f420f41c7bc8cedd ]---

 7437 08:37:40.855658  # [   77.616497] lkdtm: Saturation detected: still saturated

 7438 08:37:40.862269  # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7439 08:37:40.865768  ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7440 08:37:40.872396  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7441 08:37:40.878947  # [   77.986103] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7442 08:37:40.888713  # [   77.998834] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7443 08:37:40.891847  # [   78.012916] ------------[ cut here ]------------

 7444 08:37:40.898740  # [   78.024626] refcount_t: underflow; use-after-free.

 7445 08:37:40.908485  # [   78.036582] WARNING: CPU: 3 PID: 2529 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7446 08:37:40.948474  # [   78.052601] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7447 08:37:40.958178  # [   78.099012] CPU: 3 PID: 2529 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7448 08:37:40.964670  # [   78.114181] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7449 08:37:40.971269  # [   78.127386] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7450 08:37:40.998046  # [   78.139767] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 8a c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85<6>[   80.362588] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7451 08:37:40.998166   5e ff ff ff 48 c7

 7452 08:37:41.011023  # [   78.167401] RSP: 0018:ffffa900c2ef7e40 <6>[   80.370384] lkdtm: attempting good copy_to_user of correct size

 7453 08:37:41.011172  EFLAGS: 00010286

 7454 08:37:41.024328  # [   78.179771] RAX: 0000000000000000 RBX: 00<6>[   80.383647] lkdtm: attempting bad copy_to_user of too large size

 7455 08:37:41.027718  0000000000003a RCX: 0000000000000000

 7456 08:37:41.034228  # [   78.194339] RDX: ffff99823bdac620 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50

 7457 08:37:41.044104  # [   78.208858] RBP: ffffffff8b01a080 R08: 0000000000000000 R09: 0000000000000000

 7458 08:37:41.050776  # [   78.223423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7459 08:37:41.060846  # [   78.237942] R13: ffffa900c2ef7f10 R14: ffffa900c2ef7f10 R15: ffff9981c609b000

 7460 08:37:41.070556  # [   78.252487] FS:  00007f4f1107c580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000

 7461 08:37:41.076988  # [   78.268105] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7462 08:37:41.083892  # [   78.281108] CR2: 00007f4f10e86000 CR3: 0000000105baa000 CR4: 00000000003506e0

 7463 08:37:41.086956  # [   78.295907] Call Trace:

 7464 08:37:41.090486  # [   78.304985]  ? __warn+0x80/0x110

 7465 08:37:41.097075  # [   78.315254]  ? refcount_warn_saturate+0xba/0x110

 7466 08:37:41.100461  # [   78.326945]  ? report_bug+0x9e/0xc0

 7467 08:37:41.103742  # [   78.337389]  ? handle_bug+0x41/0x90

 7468 08:37:41.110181  # [   78.347696]  ? exc_invalid_op+0x14/0x70

 7469 08:37:41.113298  # [   78.358639]  ? asm_exc_invalid_op+0x12/0x20

 7470 08:37:41.119972  # [   78.369795]  ? refcount_warn_saturate+0xba/0x110

 7471 08:37:41.126938  # [   78.381533]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7472 08:37:41.133168  # [   78.394195]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7473 08:37:41.136751  # [   78.407094]  direct_entry.cold+0x2c/0x38

 7474 08:37:41.139959  # [   78.417995]  full_proxy_write+0x56/0x80

 7475 08:37:41.143206  # [   78.428989]  vfs_write+0xea/0x3b0

 7476 08:37:41.150213  # [   78.439162]  ksys_write+0x68/0xf0

 7477 08:37:41.153328  # [   78.449427]  do_syscall_64+0x33/0x40

 7478 08:37:41.159925  # [   78.459913]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7479 08:37:41.162948  # [   78.472147] RIP: 0033:0x7f4f10f92473

 7480 08:37:41.182709  # [   78.482635] 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

 7481 08:37:41.193063  # [   78.510367] RSP: 002b:00007ffc21ea4be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7482 08:37:41.199454  # [   78.525381] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4f10f92473

 7483 08:37:41.209627  # [   78.539930] RDX: 0000000000000020 RSI: 00007f4f10e86000 RDI: 0000000000000001

 7484 08:37:41.216348  # [   78.554479] RBP: 00007f4f10e86000 R08: 00007f4f10e85010 R09: 0000000000000000

 7485 08:37:41.226502  # [   78.569027] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7486 08:37:41.233090  # [   78.583554] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7487 08:37:41.235970  # [   78.598087] irq event stamp: 0

 7488 08:37:41.246343  # [   78.607967] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7489 08:37:41.252696  # [   78.621680] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7490 08:37:41.262569  # [   78.637290] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7491 08:37:41.269280  # [   78.653020] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7492 08:37:41.276172  # [   78.666476] ---[ end trace f420f41c7bc8cede ]---

 7493 08:37:41.282736  # [   78.678228] lkdtm: Saturation detected: still saturated

 7494 08:37:41.289182  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7495 08:37:41.296149  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7496 08:37:41.302661  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7497 08:37:41.309145  # [   79.056368] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7498 08:37:41.316072  # [   79.066764] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7499 08:37:41.322780  # [   79.074615] ------------[ cut here ]------------

 7500 08:37:41.329095  # [   79.086345] refcount_t: underflow; use-after-free.

 7501 08:37:41.338982  # [   79.098329] WARNING: CPU: 1 PID: 2565 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7502 08:37:41.381898  # [   79.114316] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmae<6>[   80.744581] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7503 08:37:41.388697  <6>[   80.753585] lkdtm: attempting good copy_from_user of correct size

 7504 08:37:41.392009  ngine regmap_i2c chromeos_pstore coreboot_table

 7505 08:37:41.401712  # [   79.160717<6>[   80.760779] lkdtm: attempting bad copy_from_user of too large size

 7506 08:37:41.408564  ] CPU: 1 PID: 2565 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7507 08:37:41.415347  # [   79.175910] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7508 08:37:41.421830  # [   79.189096] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7509 08:37:41.441434  # [   79.201473] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 8a c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7

 7510 08:37:41.448033  # [   79.229035] RSP: 0018:ffffa900c2f5fe40 EFLAGS: 00010286

 7511 08:37:41.458285  # [   79.241417] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7512 08:37:41.464851  # [   79.255936] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50

 7513 08:37:41.474588  # [   79.270459] RBP: ffffffff8b01a0a0 R08: 0000000000000000 R09: 0000000000000000

 7514 08:37:41.481215  # [   79.284984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7515 08:37:41.491235  # [   79.299506] R13: ffffa900c2f5ff10 R14: ffffa900c2f5ff10 R15: ffff9981c3bce000

 7516 08:37:41.497849  # [   79.314025] FS:  00007fae0b5db580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000

 7517 08:37:41.504379  # [   79.329642] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7518 08:37:41.514157  # [   79.342615] CR2: 00007fae0b3e5000 CR3: 000000010487e000 CR4: 00000000003506e0

 7519 08:37:41.517628  # [   79.357155] Call Trace:

 7520 08:37:41.520910  # [   79.366448]  ? __warn+0x80/0x110

 7521 08:37:41.527463  # [   79.376589]  ? refcount_warn_saturate+0xba/0x110

 7522 08:37:41.531268  # [   79.388305]  ? report_bug+0x9e/0xc0

 7523 08:37:41.533939  # [   79.398762]  ? handle_bug+0x41/0x90

 7524 08:37:41.537470  # [   79.409205]  ? exc_invalid_op+0x14/0x70

 7525 08:37:41.543802  # [   79.420048]  ? asm_exc_invalid_op+0x12/0x20

 7526 08:37:41.547522  # [   79.431261]  ? refcount_warn_saturate+0xba/0x110

 7527 08:37:41.554391  # [   79.442952]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7528 08:37:41.560682  # [   79.455633]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7529 08:37:41.567482  # [   79.468531]  direct_entry.cold+0x2c/0x38

 7530 08:37:41.570814  # [   79.479461]  full_proxy_write+0x56/0x80

 7531 08:37:41.573985  # [   79.490298]  vfs_write+0xea/0x3b0

 7532 08:37:41.577565  # [   79.500542]  ksys_write+0x68/0xf0

 7533 08:37:41.584129  # [   79.510787]  do_syscall_64+0x33/0x40

 7534 08:37:41.586999  # [   79.521326]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7535 08:37:41.593720  # [   79.533526] RIP: 0033:0x7fae0b4f1473

 7536 08:37:41.613541  # [   79.544062] 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

 7537 08:37:41.623626  # [   79.571661] RSP: 002b:00007fff0cdca208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7538 08:37:41.630398  # [   79.586681] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fae0b4f1473

 7539 08:37:41.640337  # [   79.601225] RDX: 0000000000000020 RSI: 00007fae0b3e5000 RDI: 0000000000000001

 7540 08:37:41.646763  # [   79.615754] RBP: 00007fae0b3e5000 R08: 00007fae0b3e4010 R09: 0000000000000000

 7541 08:37:41.656916  # [   79.630301] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7542 08:37:41.663472  # [   79.644843] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7543 08:37:41.667022  # [   79.659393] irq event stamp: 0

 7544 08:37:41.673466  # [   79.669349] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7545 08:37:41.683243  # [   79.682905] hardirqs last disabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7546 08:37:41.693150  # [   79.698606] softirqs last  enabled at (0): [<ffffffff88cfd6dc>] copy_process+0x65c/0x20e0

 7547 08:37:41.699835  # [   79.714324] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7548 08:37:41.706252  # [   79.727898] ---[ end trace f420f41c7bc8cedf ]---

 7549 08:37:41.713111  # [   79.739612] lkdtm: Saturation detected: still saturated

 7550 08:37:41.719492  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7551 08:37:41.726352  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7552 08:37:41.729737  # selftests: lkdtm: REFCOUNT_TIMING.sh

 7553 08:37:41.732957  # Skipping REFCOUNT_TIMING: timing only

 7554 08:37:41.739314  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 7555 08:37:41.742762  # selftests: lkdtm: ATOMIC_TIMING.sh

 7556 08:37:41.746009  # Skipping ATOMIC_TIMING: timing only

 7557 08:37:41.749432  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 7558 08:37:41.756010  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 7559 08:37:41.762624  # [   80.362588<6>[   81.128979] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7560 08:37:41.769349  ] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7561 08:37:41.776005  # [   80<6>[   81.137406] lkdtm: attempting good copy_to_user inside whitelist

 7562 08:37:41.782459  .370384] lkdtm: attempting good copy_to_user of correct size

 7563 08:37:41.792264  # <6>[   81.150756] lkdtm: attempting bad copy_to_user outside whitelist

 7564 08:37:41.799003  [   80.383647] lkdtm: attempting bad copy_to_user of too large size

 7565 08:37:41.802269  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 7566 08:37:41.808851  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 7567 08:37:41.812159  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 7568 08:37:41.822332  # [   80.744581] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7569 08:37:41.828889  # [   80.753585] lkdtm: attempting good copy_from_user of correct size

 7570 08:37:41.835466  # [   80.760779] lkdtm: attempting bad copy_from_user of too large size

 7571 08:37:41.842303  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 7572 08:37:41.848506  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 7573 08:37:41.852040  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 7574 08:37:41.897720  # [   81.128979] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7575 08:37:41.903951  # [   81.137406] lkdtm: attempting good copy_to_user inside whitelist

 7576 08:37:41.910735  # [   81.150756] lkdtm: attempting bad copy_to_user outside whitelist

 7577 08:37:41.917249  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 7578 08:37:41.931138  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 7579 08:37:41.944855  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 7580 08:37:42.170660  <6>[   81.535514] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7581 08:37:42.177262  <6>[   81.543304] lkdtm: attempting good copy_from_user inside whitelist

 7582 08:37:42.184150  <6>[   81.550584] lkdtm: attempting bad copy_from_user outside whitelist

 7583 08:37:42.286278  # [   81.535514] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7584 08:37:42.292395  # [   81.543304] lkdtm: attempting good copy_from_user inside whitelist

 7585 08:37:42.299408  # [   81.550584] lkdtm: attempting bad copy_from_user outside whitelist

 7586 08:37:42.305765  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 7587 08:37:42.320120  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 7588 08:37:42.331831  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 7589 08:37:42.549432  <6>[   81.914096] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7590 08:37:42.555896  <6>[   81.921423] lkdtm: good_stack: ffffa900c32ffe20-ffffa900c32ffe40

 7591 08:37:42.562353  <6>[   81.928490] lkdtm: bad_stack : ffffa900c32ffda8-ffffa900c32ffdc8

 7592 08:37:42.568960  <6>[   81.935892] lkdtm: attempting good copy_to_user of local stack

 7593 08:37:42.575572  <6>[   81.943233] lkdtm: attempting bad copy_to_user of distant stack

 7594 08:37:42.688346  # [   81.914096] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7595 08:37:42.694894  # [   81.921423] lkdtm: good_stack: ffffa900c32ffe20-ffffa900c32ffe40

 7596 08:37:42.701709  # [   81.928490] lkdtm: bad_stack : ffffa900c32ffda8-ffffa900c32ffdc8

 7597 08:37:42.708298  # [   81.935892] lkdtm: attempting good copy_to_user of local stack

 7598 08:37:42.715073  # [   81.943233] lkdtm: attempting bad copy_to_user of distant stack

 7599 08:37:42.721469  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 7600 08:37:42.727914  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 7601 08:37:42.737121  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 7602 08:37:42.961303  <6>[   82.325934] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7603 08:37:42.967572  <6>[   82.333451] lkdtm: good_stack: ffffa900c3377e20-ffffa900c3377e40

 7604 08:37:42.974324  <6>[   82.340513] lkdtm: bad_stack : ffffa900c3377da8-ffffa900c3377dc8

 7605 08:37:42.981013  <6>[   82.347604] lkdtm: attempting good copy_from_user of local stack

 7606 08:37:42.987505  <6>[   82.354669] lkdtm: attempting bad copy_from_user of distant stack

 7607 08:37:43.100537  # [   82.325934] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7608 08:37:43.107146  # [   82.333451] lkdtm: good_stack: ffffa900c3377e20-ffffa900c3377e40

 7609 08:37:43.114149  # [   82.340513] lkdtm: bad_stack : ffffa900c3377da8-ffffa900c3377dc8

 7610 08:37:43.120399  # [   82.347604] lkdtm: attempting good copy_from_user of local stack

 7611 08:37:43.127456  # [   82.354669] lkdtm: attempting bad copy_from_user of distant stack

 7612 08:37:43.133590  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 7613 08:37:43.139891  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 7614 08:37:43.154482  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 7615 08:37:43.373756  <6>[   82.738702] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7616 08:37:43.380303  <6>[   82.745774] lkdtm: good_stack: ffffa900c33ffe20-ffffa900c33ffe40

 7617 08:37:43.386818  <6>[   82.752840] lkdtm: bad_stack : ffffa900c33ffff8-ffffa900c3400018

 7618 08:37:43.393811  <6>[   82.759926] lkdtm: attempting good copy_to_user of local stack

 7619 08:37:43.400507  <6>[   82.766820] lkdtm: attempting bad copy_to_user of distant stack

 7620 08:37:43.406627  <4>[   82.773798] lkdtm: copy_to_user failed, but lacked Oops

 7621 08:37:43.517226  # [   82.738702] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7622 08:37:43.523922  # [   82.745774] lkdtm: good_stack: ffffa900c33ffe20-ffffa900c33ffe40

 7623 08:37:43.530172  # [   82.752840] lkdtm: bad_stack : ffffa900c33ffff8-ffffa900c3400018

 7624 08:37:43.536763  # [   82.759926] lkdtm: attempting good copy_to_user of local stack

 7625 08:37:43.543304  # [   82.766820] lkdtm: attempting bad copy_to_user of distant stack

 7626 08:37:43.550064  # [   82.773798] lkdtm: copy_to_user failed, but lacked Oops

 7627 08:37:43.553405  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 7628 08:37:43.560129  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 7629 08:37:43.563477  # selftests: lkdtm: USERCOPY_KERNEL.sh

 7630 08:37:43.781436  <6>[   83.149529] lkdtm: Performing direct entry USERCOPY_KERNEL

 7631 08:37:43.791133  <6>[   83.156062] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8ab944d0

 7632 08:37:43.801262  <6>[   83.165181] lkdtm: attempting bad copy_to_user from kernel text: ffffffff88ee2d80

 7633 08:37:43.807584  <3>[   83.174215] lkdtm: FAIL: survived bad copy_to_user()

 7634 08:37:43.907397  # [   83.149529] lkdtm: Performing direct entry USERCOPY_KERNEL

 7635 08:37:43.917183  # [   83.156062] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8ab944d0

 7636 08:37:43.927175  # [   83.165181] lkdtm: attempting bad copy_to_user from kernel text: ffffffff88ee2d80

 7637 08:37:43.930288  # [   83.174215] lkdtm: FAIL: survived bad copy_to_user()

 7638 08:37:43.936810  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 7639 08:37:43.943463  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 7640 08:37:43.958200  # selftests: lkdtm: STACKLEAK_ERASING.sh

 7641 08:37:44.193552  <6>[   83.561883] lkdtm: Performing direct entry STACKLEAK_ERASING

 7642 08:37:44.203710  <6>[   83.568565] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7643 08:37:44.210610  <3>[   83.576828] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7644 08:37:44.220377  <3>[   83.584966] lkdtm: FAIL: the thread stack is NOT properly erased

 7645 08:37:44.226919  <4>[   83.592025] CPU: 2 PID: 2941 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7646 08:37:44.233608  <4>[   83.601001] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7647 08:37:44.237126  <4>[   83.607936] Call Trace:

 7648 08:37:44.243760  <4>[   83.610994]  dump_stack+0x77/0x9b

 7649 08:37:44.247016  <4>[   83.615012]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7650 08:37:44.253543  <4>[   83.620492]  direct_entry.cold+0x2c/0x38

 7651 08:37:44.257122  <4>[   83.625191]  full_proxy_write+0x56/0x80

 7652 08:37:44.260043  <4>[   83.629790]  vfs_write+0xea/0x3b0

 7653 08:37:44.263909  <4>[   83.633805]  ksys_write+0x68/0xf0

 7654 08:37:44.269937  <4>[   83.637820]  do_syscall_64+0x33/0x40

 7655 08:37:44.276433  <4>[   83.642124]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7656 08:37:44.279816  <4>[   83.648087] RIP: 0033:0x7f329670a473

 7657 08:37:44.299927  <4>[   83.652393] 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

 7658 08:37:44.309735  <4>[   83.673732] RSP: 002b:00007ffe87d3d5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7659 08:37:44.316246  <4>[   83.682515] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f329670a473

 7660 08:37:44.326325  <4>[   83.690812] RDX: 0000000000000012 RSI: 00007f32965fe000 RDI: 0000000000000001

 7661 08:37:44.332566  <4>[   83.699106] RBP: 00007f32965fe000 R08: 00007f32965fd010 R09: 0000000000000000

 7662 08:37:44.342865  <4>[   83.707406] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7663 08:37:44.349415  <4>[   83.715705] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7664 08:37:44.450330  # [   83.561883] lkdtm: Performing direct entry STACKLEAK_ERASING

 7665 08:37:44.459945  # [   83.568565] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7666 08:37:44.466983  # [   83.576828] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7667 08:37:44.473426  # [   83.584966] lkdtm: FAIL: the thread stack is NOT properly erased

 7668 08:37:44.483967  # [   83.592025] CPU: 2 PID: 2941 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7669 08:37:44.489970  # [   83.601001] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7670 08:37:44.493374  # [   83.607936] Call Trace:

 7671 08:37:44.496794  # [   83.610994]  dump_stack+0x77/0x9b

 7672 08:37:44.503505  # [   83.615012]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7673 08:37:44.506622  # [   83.620492]  direct_entry.cold+0x2c/0x38

 7674 08:37:44.513088  # [   83.625191]  full_proxy_write+0x56/0x80

 7675 08:37:44.516536  # [   83.629790]  vfs_write+0xea/0x3b0

 7676 08:37:44.519685  # [   83.633805]  ksys_write+0x68/0xf0

 7677 08:37:44.523139  # [   83.637820]  do_syscall_64+0x33/0x40

 7678 08:37:44.529527  # [   83.642124]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7679 08:37:44.533013  # [   83.648087] RIP: 0033:0x7f329670a473

 7680 08:37:44.556156  # [   83.652393] 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

 7681 08:37:44.562845  # [   83.673732] RSP: 002b:00007ffe87d3d5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7682 08:37:44.572653  # [   83.682515] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f329670a473

 7683 08:37:44.579352  # [   83.690812] RDX: 0000000000000012 RSI: 00007f32965fe000 RDI: 0000000000000001

 7684 08:37:44.589128  # [   83.699106] RBP: 00007f32965fe000 R08: 00007f32965fd010 R09: 0000000000000000

 7685 08:37:44.595702  # [   83.707406] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7686 08:37:44.605909  # [   83.715705] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7687 08:37:44.612274  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 7688 08:37:44.619339  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 7689 08:37:44.622339  # selftests: lkdtm: CFI_FORWARD_PROTO.sh

 7690 08:37:44.728743  <6>[   84.096748] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7691 08:37:44.735371  <6>[   84.103458] lkdtm: Calling matched prototype ...

 7692 08:37:44.742079  <6>[   84.108959] lkdtm: Calling mismatched prototype ...

 7693 08:37:44.748515  <6>[   84.114757] lkdtm: Fail: survived mismatched prototype function call!

 7694 08:37:44.848055  # [   84.096748] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7695 08:37:44.854971  # [   84.103458] lkdtm: Calling matched prototype ...

 7696 08:37:44.861247  # [   84.108959] lkdtm: Calling mismatched prototype ...

 7697 08:37:44.867909  # [   84.114757] lkdtm: Fail: survived mismatched prototype function call!

 7698 08:37:44.874384  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 7699 08:37:44.885069  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 7700 08:37:45.565777  Traceback (most recent call last):

 7701 08:37:45.575473    File "/lava-12894230/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/./parse-output.py", line 4, in <module>

 7702 08:37:45.578876      from tap import parser

 7703 08:37:45.582353  ModuleNotFoundError: No module named 'tap'

 7704 08:37:45.600157  + ../../utils/send-to-lava.sh ./output/result.txt

 7705 08:37:45.732195  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=shardfile-lkdtm RESULT=pass>

 7706 08:37:45.734688  Received signal: <TESTCASE> TEST_CASE_ID=shardfile-lkdtm RESULT=pass
 7708 08:37:45.735817  + set +x

 7709 08:37:45.738598  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 12894230_1.5.2.3.5>

 7710 08:37:45.739411  Received signal: <ENDRUN> 1_kselftest-lkdtm 12894230_1.5.2.3.5
 7711 08:37:45.739884  Ending use of test pattern.
 7712 08:37:45.740208  Ending test lava.1_kselftest-lkdtm (12894230_1.5.2.3.5), duration 58.38
 7714 08:37:45.742090  <LAVA_TEST_RUNNER EXIT>

 7715 08:37:45.742949  ok: lava_test_shell seems to have completed
 7716 08:37:45.743677  shardfile-lkdtm: pass

 7717 08:37:45.744307  end: 3.1 lava-test-shell (duration 00:01:00) [common]
 7718 08:37:45.744921  end: 3 lava-test-retry (duration 00:01:00) [common]
 7719 08:37:45.745596  start: 4 finalize (timeout 00:07:32) [common]
 7720 08:37:45.746215  start: 4.1 power-off (timeout 00:00:30) [common]
 7721 08:37:45.747403  Calling: 'pduclient' '--daemon=localhost' '--hostname=asus-C523NA-A20057-coral-cbg-3' '--port=1' '--command=off'
 7722 08:37:45.857434  >> Command sent successfully.

 7723 08:37:45.861350  Returned 0 in 0 seconds
 7724 08:37:45.961959  end: 4.1 power-off (duration 00:00:00) [common]
 7726 08:37:45.962317  start: 4.2 read-feedback (timeout 00:07:32) [common]
 7727 08:37:45.962605  Listened to connection for namespace 'common' for up to 1s
 7728 08:37:45.962921  Listened to connection for namespace 'common' for up to 1s
 7729 08:37:46.963072  Finalising connection for namespace 'common'
 7730 08:37:46.963648  Disconnecting from shell: Finalise
 7731 08:37:46.963998  / # 
 7732 08:37:47.064919  end: 4.2 read-feedback (duration 00:00:01) [common]
 7733 08:37:47.065578  end: 4 finalize (duration 00:00:01) [common]
 7734 08:37:47.066244  Cleaning after the job
 7735 08:37:47.066730  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12894230/tftp-deploy-3akf5sy4/ramdisk
 7736 08:37:47.074291  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12894230/tftp-deploy-3akf5sy4/kernel
 7737 08:37:47.086595  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12894230/tftp-deploy-3akf5sy4/nfsrootfs
 7738 08:37:47.195323  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12894230/tftp-deploy-3akf5sy4/modules
 7739 08:37:47.198826  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/12894230
 7740 08:37:47.818278  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/12894230
 7741 08:37:47.818443  Job finished correctly