Boot log: asus-C523NA-A20057-coral

    1 19:39:08.749384  lava-dispatcher, installed at version: 2023.10
    2 19:39:08.749591  start: 0 validate
    3 19:39:08.749719  Start time: 2024-01-05 19:39:08.749711+00:00 (UTC)
    4 19:39:08.749835  Using caching service: 'http://localhost/cache/?uri=%s'
    5 19:39:08.749967  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230623.0%2Famd64%2Finitrd.cpio.gz exists
    6 19:39:09.011855  Using caching service: 'http://localhost/cache/?uri=%s'
    7 19:39:09.012594  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.205-897-gcc9858ae2881%2Fx86_64%2Fx86_64_defconfig%2Bx86-board%2Bkselftest%2Fgcc-10%2Fkernel%2FbzImage exists
    8 19:39:09.266914  Using caching service: 'http://localhost/cache/?uri=%s'
    9 19:39:09.267083  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230623.0%2Famd64%2Ffull.rootfs.tar.xz exists
   10 19:39:09.535716  Using caching service: 'http://localhost/cache/?uri=%s'
   11 19:39:09.536486  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.205-897-gcc9858ae2881%2Fx86_64%2Fx86_64_defconfig%2Bx86-board%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   12 19:39:09.799025  validate duration: 1.05
   14 19:39:09.799310  start: 1 tftp-deploy (timeout 00:10:00) [common]
   15 19:39:09.799407  start: 1.1 download-retry (timeout 00:10:00) [common]
   16 19:39:09.799491  start: 1.1.1 http-download (timeout 00:10:00) [common]
   17 19:39:09.799616  Not decompressing ramdisk as can be used compressed.
   18 19:39:09.799702  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230623.0/amd64/initrd.cpio.gz
   19 19:39:09.799769  saving as /var/lib/lava/dispatcher/tmp/12460431/tftp-deploy-vmk2__j9/ramdisk/initrd.cpio.gz
   20 19:39:09.799836  total size: 5432480 (5 MB)
   21 19:39:09.800952  progress   0 % (0 MB)
   22 19:39:09.802716  progress   5 % (0 MB)
   23 19:39:09.804115  progress  10 % (0 MB)
   24 19:39:09.805537  progress  15 % (0 MB)
   25 19:39:09.807142  progress  20 % (1 MB)
   26 19:39:09.808540  progress  25 % (1 MB)
   27 19:39:09.809922  progress  30 % (1 MB)
   28 19:39:09.811478  progress  35 % (1 MB)
   29 19:39:09.812876  progress  40 % (2 MB)
   30 19:39:09.814238  progress  45 % (2 MB)
   31 19:39:09.815652  progress  50 % (2 MB)
   32 19:39:09.817208  progress  55 % (2 MB)
   33 19:39:09.818781  progress  60 % (3 MB)
   34 19:39:09.820171  progress  65 % (3 MB)
   35 19:39:09.821789  progress  70 % (3 MB)
   36 19:39:09.823221  progress  75 % (3 MB)
   37 19:39:09.824585  progress  80 % (4 MB)
   38 19:39:09.825943  progress  85 % (4 MB)
   39 19:39:09.827540  progress  90 % (4 MB)
   40 19:39:09.828949  progress  95 % (4 MB)
   41 19:39:09.830331  progress 100 % (5 MB)
   42 19:39:09.830570  5 MB downloaded in 0.03 s (168.58 MB/s)
   43 19:39:09.830790  end: 1.1.1 http-download (duration 00:00:00) [common]
   45 19:39:09.831055  end: 1.1 download-retry (duration 00:00:00) [common]
   46 19:39:09.831155  start: 1.2 download-retry (timeout 00:10:00) [common]
   47 19:39:09.831239  start: 1.2.1 http-download (timeout 00:10:00) [common]
   48 19:39:09.831378  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.205-897-gcc9858ae2881/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kernel/bzImage
   49 19:39:09.831447  saving as /var/lib/lava/dispatcher/tmp/12460431/tftp-deploy-vmk2__j9/kernel/bzImage
   50 19:39:09.831507  total size: 17280320 (16 MB)
   51 19:39:09.831567  No compression specified
   52 19:39:09.832756  progress   0 % (0 MB)
   53 19:39:09.837402  progress   5 % (0 MB)
   54 19:39:09.841855  progress  10 % (1 MB)
   55 19:39:09.846837  progress  15 % (2 MB)
   56 19:39:09.851399  progress  20 % (3 MB)
   57 19:39:09.856045  progress  25 % (4 MB)
   58 19:39:09.860712  progress  30 % (4 MB)
   59 19:39:09.865785  progress  35 % (5 MB)
   60 19:39:09.870853  progress  40 % (6 MB)
   61 19:39:09.876214  progress  45 % (7 MB)
   62 19:39:09.881050  progress  50 % (8 MB)
   63 19:39:09.886001  progress  55 % (9 MB)
   64 19:39:09.890701  progress  60 % (9 MB)
   65 19:39:09.895178  progress  65 % (10 MB)
   66 19:39:09.900014  progress  70 % (11 MB)
   67 19:39:09.904478  progress  75 % (12 MB)
   68 19:39:09.908889  progress  80 % (13 MB)
   69 19:39:09.913411  progress  85 % (14 MB)
   70 19:39:09.917771  progress  90 % (14 MB)
   71 19:39:09.922272  progress  95 % (15 MB)
   72 19:39:09.927065  progress 100 % (16 MB)
   73 19:39:09.927263  16 MB downloaded in 0.10 s (172.11 MB/s)
   74 19:39:09.927410  end: 1.2.1 http-download (duration 00:00:00) [common]
   76 19:39:09.927635  end: 1.2 download-retry (duration 00:00:00) [common]
   77 19:39:09.927742  start: 1.3 download-retry (timeout 00:10:00) [common]
   78 19:39:09.927839  start: 1.3.1 http-download (timeout 00:10:00) [common]
   79 19:39:09.927976  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230623.0/amd64/full.rootfs.tar.xz
   80 19:39:09.928043  saving as /var/lib/lava/dispatcher/tmp/12460431/tftp-deploy-vmk2__j9/nfsrootfs/full.rootfs.tar
   81 19:39:09.928103  total size: 207157356 (197 MB)
   82 19:39:09.928163  Using unxz to decompress xz
   83 19:39:09.932406  progress   0 % (0 MB)
   84 19:39:10.483561  progress   5 % (9 MB)
   85 19:39:11.011219  progress  10 % (19 MB)
   86 19:39:11.618981  progress  15 % (29 MB)
   87 19:39:11.981120  progress  20 % (39 MB)
   88 19:39:12.344214  progress  25 % (49 MB)
   89 19:39:12.951280  progress  30 % (59 MB)
   90 19:39:13.503299  progress  35 % (69 MB)
   91 19:39:14.129523  progress  40 % (79 MB)
   92 19:39:14.718780  progress  45 % (88 MB)
   93 19:39:15.332400  progress  50 % (98 MB)
   94 19:39:15.969147  progress  55 % (108 MB)
   95 19:39:16.660130  progress  60 % (118 MB)
   96 19:39:16.797557  progress  65 % (128 MB)
   97 19:39:16.935326  progress  70 % (138 MB)
   98 19:39:17.027720  progress  75 % (148 MB)
   99 19:39:17.097104  progress  80 % (158 MB)
  100 19:39:17.166277  progress  85 % (167 MB)
  101 19:39:17.264665  progress  90 % (177 MB)
  102 19:39:17.537109  progress  95 % (187 MB)
  103 19:39:18.130014  progress 100 % (197 MB)
  104 19:39:18.136538  197 MB downloaded in 8.21 s (24.07 MB/s)
  105 19:39:18.136857  end: 1.3.1 http-download (duration 00:00:08) [common]
  107 19:39:18.137124  end: 1.3 download-retry (duration 00:00:08) [common]
  108 19:39:18.137216  start: 1.4 download-retry (timeout 00:09:52) [common]
  109 19:39:18.137306  start: 1.4.1 http-download (timeout 00:09:52) [common]
  110 19:39:18.137449  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.205-897-gcc9858ae2881/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/modules.tar.xz
  111 19:39:18.137524  saving as /var/lib/lava/dispatcher/tmp/12460431/tftp-deploy-vmk2__j9/modules/modules.tar
  112 19:39:18.137587  total size: 3308896 (3 MB)
  113 19:39:18.137652  Using unxz to decompress xz
  114 19:39:18.142069  progress   0 % (0 MB)
  115 19:39:18.148043  progress   5 % (0 MB)
  116 19:39:18.156370  progress  10 % (0 MB)
  117 19:39:18.164546  progress  15 % (0 MB)
  118 19:39:18.175799  progress  20 % (0 MB)
  119 19:39:18.187102  progress  25 % (0 MB)
  120 19:39:18.196323  progress  30 % (0 MB)
  121 19:39:18.207899  progress  35 % (1 MB)
  122 19:39:18.218798  progress  40 % (1 MB)
  123 19:39:18.228951  progress  45 % (1 MB)
  124 19:39:18.239147  progress  50 % (1 MB)
  125 19:39:18.249061  progress  55 % (1 MB)
  126 19:39:18.261225  progress  60 % (1 MB)
  127 19:39:18.271176  progress  65 % (2 MB)
  128 19:39:18.281165  progress  70 % (2 MB)
  129 19:39:18.291201  progress  75 % (2 MB)
  130 19:39:18.301282  progress  80 % (2 MB)
  131 19:39:18.311160  progress  85 % (2 MB)
  132 19:39:18.321238  progress  90 % (2 MB)
  133 19:39:18.331706  progress  95 % (3 MB)
  134 19:39:18.342429  progress 100 % (3 MB)
  135 19:39:18.349256  3 MB downloaded in 0.21 s (14.91 MB/s)
  136 19:39:18.349560  end: 1.4.1 http-download (duration 00:00:00) [common]
  138 19:39:18.349828  end: 1.4 download-retry (duration 00:00:00) [common]
  139 19:39:18.349926  start: 1.5 prepare-tftp-overlay (timeout 00:09:51) [common]
  140 19:39:18.350025  start: 1.5.1 extract-nfsrootfs (timeout 00:09:51) [common]
  141 19:39:21.902155  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/12460431/extract-nfsrootfs-rpnsq1gt
  142 19:39:21.902360  end: 1.5.1 extract-nfsrootfs (duration 00:00:04) [common]
  143 19:39:21.902468  start: 1.5.2 lava-overlay (timeout 00:09:48) [common]
  144 19:39:21.902837  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr
  145 19:39:21.902985  makedir: /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin
  146 19:39:21.903095  makedir: /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/tests
  147 19:39:21.903200  makedir: /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/results
  148 19:39:21.903305  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-add-keys
  149 19:39:21.903452  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-add-sources
  150 19:39:21.903593  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-background-process-start
  151 19:39:21.903732  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-background-process-stop
  152 19:39:21.903862  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-common-functions
  153 19:39:21.903991  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-echo-ipv4
  154 19:39:21.904121  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-install-packages
  155 19:39:21.904250  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-installed-packages
  156 19:39:21.904376  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-os-build
  157 19:39:21.904505  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-probe-channel
  158 19:39:21.904635  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-probe-ip
  159 19:39:21.904763  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-target-ip
  160 19:39:21.904894  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-target-mac
  161 19:39:21.905023  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-target-storage
  162 19:39:21.905153  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-test-case
  163 19:39:21.905283  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-test-event
  164 19:39:21.905410  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-test-feedback
  165 19:39:21.905538  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-test-raise
  166 19:39:21.905664  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-test-reference
  167 19:39:21.905793  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-test-runner
  168 19:39:21.905921  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-test-set
  169 19:39:21.906051  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-test-shell
  170 19:39:21.906182  Updating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-add-keys (debian)
  171 19:39:21.906336  Updating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-add-sources (debian)
  172 19:39:21.906478  Updating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-install-packages (debian)
  173 19:39:21.906624  Updating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-installed-packages (debian)
  174 19:39:21.906768  Updating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/bin/lava-os-build (debian)
  175 19:39:21.906892  Creating /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/environment
  176 19:39:21.906987  LAVA metadata
  177 19:39:21.907059  - LAVA_JOB_ID=12460431
  178 19:39:21.907124  - LAVA_DISPATCHER_IP=192.168.201.1
  179 19:39:21.907227  start: 1.5.2.1 lava-vland-overlay (timeout 00:09:48) [common]
  180 19:39:21.907295  skipped lava-vland-overlay
  181 19:39:21.907370  end: 1.5.2.1 lava-vland-overlay (duration 00:00:00) [common]
  182 19:39:21.907451  start: 1.5.2.2 lava-multinode-overlay (timeout 00:09:48) [common]
  183 19:39:21.907513  skipped lava-multinode-overlay
  184 19:39:21.907600  end: 1.5.2.2 lava-multinode-overlay (duration 00:00:00) [common]
  185 19:39:21.907680  start: 1.5.2.3 test-definition (timeout 00:09:48) [common]
  186 19:39:21.907754  Loading test definitions
  187 19:39:21.907849  start: 1.5.2.3.1 inline-repo-action (timeout 00:09:48) [common]
  188 19:39:21.907922  Using /lava-12460431 at stage 0
  189 19:39:21.908219  uuid=12460431_1.5.2.3.1 testdef=None
  190 19:39:21.908310  end: 1.5.2.3.1 inline-repo-action (duration 00:00:00) [common]
  191 19:39:21.908396  start: 1.5.2.3.2 test-overlay (timeout 00:09:48) [common]
  192 19:39:21.908861  end: 1.5.2.3.2 test-overlay (duration 00:00:00) [common]
  194 19:39:21.909080  start: 1.5.2.3.3 test-install-overlay (timeout 00:09:48) [common]
  195 19:39:21.909645  end: 1.5.2.3.3 test-install-overlay (duration 00:00:00) [common]
  197 19:39:21.909880  start: 1.5.2.3.4 test-runscript-overlay (timeout 00:09:48) [common]
  198 19:39:21.910426  runner path: /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/0/tests/0_timesync-off test_uuid 12460431_1.5.2.3.1
  199 19:39:21.910584  end: 1.5.2.3.4 test-runscript-overlay (duration 00:00:00) [common]
  201 19:39:21.911258  start: 1.5.2.3.5 git-repo-action (timeout 00:09:48) [common]
  202 19:39:21.911333  Using /lava-12460431 at stage 0
  203 19:39:21.911431  Fetching tests from https://github.com/kernelci/test-definitions.git
  204 19:39:21.911511  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/0/tests/1_kselftest-lkdtm'
  205 19:39:27.158468  Running '/usr/bin/git checkout kernelci.org
  206 19:39:27.269507  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  207 19:39:27.270243  uuid=12460431_1.5.2.3.5 testdef=None
  208 19:39:27.270413  end: 1.5.2.3.5 git-repo-action (duration 00:00:05) [common]
  210 19:39:27.270748  start: 1.5.2.3.6 test-overlay (timeout 00:09:43) [common]
  211 19:39:27.271520  end: 1.5.2.3.6 test-overlay (duration 00:00:00) [common]
  213 19:39:27.271755  start: 1.5.2.3.7 test-install-overlay (timeout 00:09:43) [common]
  214 19:39:27.272737  end: 1.5.2.3.7 test-install-overlay (duration 00:00:00) [common]
  216 19:39:27.272977  start: 1.5.2.3.8 test-runscript-overlay (timeout 00:09:43) [common]
  217 19:39:27.273920  runner path: /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/0/tests/1_kselftest-lkdtm test_uuid 12460431_1.5.2.3.5
  218 19:39:27.274018  BOARD='asus-C523NA-A20057-coral'
  219 19:39:27.274086  BRANCH='cip-gitlab'
  220 19:39:27.274148  SKIPFILE='/dev/null'
  221 19:39:27.274208  SKIP_INSTALL='True'
  222 19:39:27.274267  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.205-897-gcc9858ae2881/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz'
  223 19:39:27.274328  TST_CASENAME=''
  224 19:39:27.274386  TST_CMDFILES='lkdtm'
  225 19:39:27.274536  end: 1.5.2.3.8 test-runscript-overlay (duration 00:00:00) [common]
  227 19:39:27.274790  Creating lava-test-runner.conf files
  228 19:39:27.274856  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/12460431/lava-overlay-12uh5hjr/lava-12460431/0 for stage 0
  229 19:39:27.274954  - 0_timesync-off
  230 19:39:27.275025  - 1_kselftest-lkdtm
  231 19:39:27.275129  end: 1.5.2.3 test-definition (duration 00:00:05) [common]
  232 19:39:27.275220  start: 1.5.2.4 compress-overlay (timeout 00:09:43) [common]
  233 19:39:34.796016  end: 1.5.2.4 compress-overlay (duration 00:00:08) [common]
  234 19:39:34.796177  start: 1.5.2.5 persistent-nfs-overlay (timeout 00:09:35) [common]
  235 19:39:34.796267  end: 1.5.2.5 persistent-nfs-overlay (duration 00:00:00) [common]
  236 19:39:34.796369  end: 1.5.2 lava-overlay (duration 00:00:13) [common]
  237 19:39:34.796464  start: 1.5.3 extract-overlay-ramdisk (timeout 00:09:35) [common]
  238 19:39:34.931842  end: 1.5.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  239 19:39:34.932241  start: 1.5.4 extract-modules (timeout 00:09:35) [common]
  240 19:39:34.932359  extracting modules file /var/lib/lava/dispatcher/tmp/12460431/tftp-deploy-vmk2__j9/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12460431/extract-nfsrootfs-rpnsq1gt
  241 19:39:35.015583  extracting modules file /var/lib/lava/dispatcher/tmp/12460431/tftp-deploy-vmk2__j9/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12460431/extract-overlay-ramdisk-poia4a8l/ramdisk
  242 19:39:35.101985  end: 1.5.4 extract-modules (duration 00:00:00) [common]
  243 19:39:35.102190  start: 1.5.5 apply-overlay-tftp (timeout 00:09:35) [common]
  244 19:39:35.102316  [common] Applying overlay to NFS
  245 19:39:35.102417  [common] Applying overlay /var/lib/lava/dispatcher/tmp/12460431/compress-overlay-cnucrmbq/overlay-1.5.2.4.tar.gz to directory /var/lib/lava/dispatcher/tmp/12460431/extract-nfsrootfs-rpnsq1gt
  246 19:39:36.013154  end: 1.5.5 apply-overlay-tftp (duration 00:00:01) [common]
  247 19:39:36.013324  start: 1.5.6 configure-preseed-file (timeout 00:09:34) [common]
  248 19:39:36.013423  end: 1.5.6 configure-preseed-file (duration 00:00:00) [common]
  249 19:39:36.013514  start: 1.5.7 compress-ramdisk (timeout 00:09:34) [common]
  250 19:39:36.013593  Building ramdisk /var/lib/lava/dispatcher/tmp/12460431/extract-overlay-ramdisk-poia4a8l/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/12460431/extract-overlay-ramdisk-poia4a8l/ramdisk
  251 19:39:36.198393  >> 67825 blocks

  252 19:39:37.313223  rename /var/lib/lava/dispatcher/tmp/12460431/extract-overlay-ramdisk-poia4a8l/ramdisk.cpio.gz to /var/lib/lava/dispatcher/tmp/12460431/tftp-deploy-vmk2__j9/ramdisk/ramdisk.cpio.gz
  253 19:39:37.313673  end: 1.5.7 compress-ramdisk (duration 00:00:01) [common]
  254 19:39:37.313795  start: 1.5.8 prepare-kernel (timeout 00:09:32) [common]
  255 19:39:37.313898  start: 1.5.8.1 prepare-fit (timeout 00:09:32) [common]
  256 19:39:37.313992  No mkimage arch provided, not using FIT.
  257 19:39:37.314083  end: 1.5.8.1 prepare-fit (duration 00:00:00) [common]
  258 19:39:37.314166  end: 1.5.8 prepare-kernel (duration 00:00:00) [common]
  259 19:39:37.314270  end: 1.5 prepare-tftp-overlay (duration 00:00:19) [common]
  260 19:39:37.314366  start: 1.6 lxc-create-udev-rule-action (timeout 00:09:32) [common]
  261 19:39:37.314454  No LXC device requested
  262 19:39:37.314544  end: 1.6 lxc-create-udev-rule-action (duration 00:00:00) [common]
  263 19:39:37.314666  start: 1.7 deploy-device-env (timeout 00:09:32) [common]
  264 19:39:37.314766  end: 1.7 deploy-device-env (duration 00:00:00) [common]
  265 19:39:37.314842  Checking files for TFTP limit of 4294967296 bytes.
  266 19:39:37.315241  end: 1 tftp-deploy (duration 00:00:28) [common]
  267 19:39:37.315346  start: 2 depthcharge-action (timeout 00:05:00) [common]
  268 19:39:37.315435  start: 2.1 depthcharge-overlay (timeout 00:05:00) [common]
  269 19:39:37.315559  substitutions:
  270 19:39:37.315624  - {DTB}: None
  271 19:39:37.315686  - {INITRD}: 12460431/tftp-deploy-vmk2__j9/ramdisk/ramdisk.cpio.gz
  272 19:39:37.315745  - {KERNEL}: 12460431/tftp-deploy-vmk2__j9/kernel/bzImage
  273 19:39:37.315802  - {LAVA_MAC}: None
  274 19:39:37.315858  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/12460431/extract-nfsrootfs-rpnsq1gt
  275 19:39:37.315917  - {NFS_SERVER_IP}: 192.168.201.1
  276 19:39:37.315971  - {PRESEED_CONFIG}: None
  277 19:39:37.316026  - {PRESEED_LOCAL}: None
  278 19:39:37.316080  - {RAMDISK}: 12460431/tftp-deploy-vmk2__j9/ramdisk/ramdisk.cpio.gz
  279 19:39:37.316135  - {ROOT_PART}: None
  280 19:39:37.316189  - {ROOT}: None
  281 19:39:37.316242  - {SERVER_IP}: 192.168.201.1
  282 19:39:37.316295  - {TEE}: None
  283 19:39:37.316351  Parsed boot commands:
  284 19:39:37.316406  - enet dhcp
  285 19:39:37.316462  - tftpboot 192.168.201.1 {DEPTHCHARGE_KERNEL} {CMDLINE} {DEPTHCHARGE_RAMDISK}
  286 19:39:37.316640  Parsed boot commands: enet dhcp; tftpboot 192.168.201.1 12460431/tftp-deploy-vmk2__j9/kernel/bzImage 12460431/tftp-deploy-vmk2__j9/kernel/cmdline 12460431/tftp-deploy-vmk2__j9/ramdisk/ramdisk.cpio.gz
  287 19:39:37.316733  end: 2.1 depthcharge-overlay (duration 00:00:00) [common]
  288 19:39:37.316820  start: 2.2 depthcharge-retry (timeout 00:05:00) [common]
  289 19:39:37.316913  start: 2.2.1 reset-connection (timeout 00:05:00) [common]
  290 19:39:37.317002  start: 2.2.1.1 disconnect-device (timeout 00:05:00) [common]
  291 19:39:37.317073  Not connected, no need to disconnect.
  292 19:39:37.317148  end: 2.2.1.1 disconnect-device (duration 00:00:00) [common]
  293 19:39:37.317227  start: 2.2.1.2 connect-device (timeout 00:05:00) [common]
  294 19:39:37.317293  [common] connect-device Connecting to device using '/usr/local/bin/chromebook-console.sh asus-C523NA-A20057-coral-cbg-1'
  295 19:39:37.321218  Setting prompt string to ['lava-test: # ']
  296 19:39:37.321557  end: 2.2.1.2 connect-device (duration 00:00:00) [common]
  297 19:39:37.321664  end: 2.2.1 reset-connection (duration 00:00:00) [common]
  298 19:39:37.321761  start: 2.2.2 reset-device (timeout 00:05:00) [common]
  299 19:39:37.321850  start: 2.2.2.1 pdu-reboot (timeout 00:05:00) [common]
  300 19:39:37.322066  Calling: 'pduclient' '--daemon=localhost' '--hostname=asus-C523NA-A20057-coral-cbg-1' '--port=1' '--command=reboot'
  301 19:39:42.456680  >> Command sent successfully.

  302 19:39:42.468356  Returned 0 in 5 seconds
  303 19:39:42.569699  end: 2.2.2.1 pdu-reboot (duration 00:00:05) [common]
  305 19:39:42.571599  end: 2.2.2 reset-device (duration 00:00:05) [common]
  306 19:39:42.572273  start: 2.2.3 depthcharge-start (timeout 00:04:55) [common]
  307 19:39:42.572749  Setting prompt string to 'Starting depthcharge on coral...'
  308 19:39:42.573331  Changing prompt to 'Starting depthcharge on coral...'
  309 19:39:42.573952  depthcharge-start: Wait for prompt Starting depthcharge on coral... (timeout 00:05:00)
  310 19:39:42.575789  [Enter `^Ec?' for help]

  311 19:39:43.335045  

  312 19:39:43.335649  

  313 19:39:43.344629  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting...

  314 19:39:43.349317  LPC: Trying to open IO window from 800 size 1ff

  315 19:39:43.355109  LPC: Opened IO window LGIR0: base 800 size 100

  316 19:39:43.359341  LPC: Opened IO window LGIR1: base 900 size 100

  317 19:39:43.361870  VBOOT: Loading verstage.

  318 19:39:43.365643  FMAP: Found "FLASH" version 1.1 at 204000.

  319 19:39:43.370321  FMAP: base = 0 size = 1000000 #areas = 35

  320 19:39:43.375051  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  321 19:39:43.378035  CBFS @ 205000 size 17b000

  322 19:39:43.383609  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  323 19:39:43.386557  CBFS: Locating 'fallback/verstage'

  324 19:39:43.390469  CBFS: Found @ offset ba4c0 size fab4

  325 19:39:43.397612  

  326 19:39:43.398177  

  327 19:39:43.405881  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting...

  328 19:39:43.410071  LPSS I2C bus 2 at 0xfe022000 (400 KHz)

  329 19:39:43.412368  TPM ready after 4 ms

  330 19:39:43.416883  cr50 TPM 2.0 (i2c 2:0x50 id 0x28)

  331 19:39:43.439927  setup_tpm():514: TPM: SetupTPM() succeeded

  332 19:39:43.457452  src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0

  333 19:39:43.458911  Phase 1

  334 19:39:43.463705  FMAP: Found "FLASH" version 1.1 at 204000.

  335 19:39:43.467345  FMAP: base = 0 size = 1000000 #areas = 35

  336 19:39:43.471682  FMAP: area GBB found @ 380000 (262144 bytes)

  337 19:39:43.478556  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0

  338 19:39:43.479677  Phase 2

  339 19:39:43.483422  Phase 3

  340 19:39:43.484831  FMAP: area GBB found @ 380000 (262144 bytes)

  341 19:39:43.491794  VB2:vb2_report_dev_firmware() This is developer signed firmware

  342 19:39:43.496877  FMAP: area VBLOCK_A found @ 430000 (65536 bytes)

  343 19:39:43.501623  FMAP: area VBLOCK_A found @ 430000 (65536 bytes)

  344 19:39:43.507423  VB2:vb2_verify_keyblock() Checking key block signature...

  345 19:39:43.546972  FMAP: area VBLOCK_A found @ 430000 (65536 bytes)

  346 19:39:43.551088  FMAP: area VBLOCK_A found @ 430000 (65536 bytes)

  347 19:39:43.556462  VB2:vb2_verify_fw_preamble() Verifying preamble.

  348 19:39:43.565985  Phase 4

  349 19:39:43.571298  FMAP: area FW_MAIN_A found @ 440000 (4652992 bytes)

  350 19:39:43.578248  VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW

  351 19:39:43.725360  VB2:vb2_rsa_verify_digest() Digest check failed!

  352 19:39:43.729402  VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7

  353 19:39:43.730567  Saving nvdata

  354 19:39:43.735405  Reboot requested (10020007)

  355 19:39:43.736333  hard_reset() called!

  356 19:39:43.739193  CSE is not yet ready, waiting

  357 19:39:44.747586  CSE timed out. Resetting

  358 19:39:49.091668  

  359 19:39:49.092239  

  360 19:39:49.100781  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting...

  361 19:39:49.106300  LPC: Trying to open IO window from 800 size 1ff

  362 19:39:49.111508  LPC: Opened IO window LGIR0: base 800 size 100

  363 19:39:49.115174  LPC: Opened IO window LGIR1: base 900 size 100

  364 19:39:49.118052  VBOOT: Loading verstage.

  365 19:39:49.122418  FMAP: Found "FLASH" version 1.1 at 204000.

  366 19:39:49.126533  FMAP: base = 0 size = 1000000 #areas = 35

  367 19:39:49.132196  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  368 19:39:49.134550  CBFS @ 205000 size 17b000

  369 19:39:49.139840  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  370 19:39:49.142828  CBFS: Locating 'fallback/verstage'

  371 19:39:49.147013  CBFS: Found @ offset ba4c0 size fab4

  372 19:39:49.154335  

  373 19:39:49.154848  

  374 19:39:49.162701  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting...

  375 19:39:49.166872  LPSS I2C bus 2 at 0xfe022000 (400 KHz)

  376 19:39:49.169022  TPM ready after 4 ms

  377 19:39:49.173262  cr50 TPM 2.0 (i2c 2:0x50 id 0x28)

  378 19:39:49.196576  setup_tpm():514: TPM: SetupTPM() succeeded

  379 19:39:49.213983  src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0

  380 19:39:49.215098  Phase 1

  381 19:39:49.219491  FMAP: Found "FLASH" version 1.1 at 204000.

  382 19:39:49.224448  FMAP: base = 0 size = 1000000 #areas = 35

  383 19:39:49.227917  FMAP: area GBB found @ 380000 (262144 bytes)

  384 19:39:49.235599  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7

  385 19:39:49.242756  VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0

  386 19:39:49.245804  Recovery requested (1009000e)

  387 19:39:49.246286  Saving nvdata

  388 19:39:49.262752  tlcl_extend: response is 0

  389 19:39:49.278227  tlcl_extend: response is 0

  390 19:39:49.284445  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  391 19:39:49.286686  CBFS @ 205000 size 17b000

  392 19:39:49.292185  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  393 19:39:49.295483  CBFS: Locating 'fallback/romstage'

  394 19:39:49.299103  CBFS: Found @ offset 80 size 11c5c

  395 19:39:49.307144  

  396 19:39:49.307819  

  397 19:39:49.315732  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting...

  398 19:39:49.321191  pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00

  399 19:39:49.324231  gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000

  400 19:39:49.329166  gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000

  401 19:39:49.333460  gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000

  402 19:39:49.337768  gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000

  403 19:39:49.341771  prsts: 00000000 tco_sts: 00000000

  404 19:39:49.348109  gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000

  405 19:39:49.348905  prev_sleep_state 0

  406 19:39:49.353137  Boot Count incremented to 3208

  407 19:39:49.356810  FMAP: Found "FLASH" version 1.1 at 204000.

  408 19:39:49.360943  FMAP: base = 0 size = 1000000 #areas = 35

  409 19:39:49.367033  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  410 19:39:49.368359  CBFS @ 205000 size 17b000

  411 19:39:49.374074  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  412 19:39:49.376402  CBFS: Locating 'fspm.bin'

  413 19:39:49.380255  CBFS: Found @ offset 2efc0 size 59000

  414 19:39:49.421770  FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes)

  415 19:39:49.432416  Locality already claimed

  416 19:39:49.435988  cr50 TPM 2.0 (i2c 2:0x50 id 0x28)

  417 19:39:49.454784  src/lib/tpm2_tlcl.c:208 index 0x100b return code 0

  418 19:39:49.461485  MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE

  419 19:39:49.465115  MRC cache found, size b2c0 bootmode:2

  420 19:39:49.467315  LPDDR4 SKU id = 0x1

  421 19:39:49.470852  LP4DDR speed is 2400MHz

  422 19:39:49.471835  LPDDR4 Ch0 density = 2

  423 19:39:49.474035  LPDDR4 Ch1 density = 2

  424 19:39:49.479999  FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes)

  425 19:39:49.677012  CBMEM:

  426 19:39:49.680555  IMD: root @ 7afff000 254 entries.

  427 19:39:49.683204  IMD: root @ 7affec00 62 entries.

  428 19:39:49.686893  External stage cache:

  429 19:39:49.689968  IMD: root @ 7b7ff000 254 entries.

  430 19:39:49.693745  IMD: root @ 7b7fec00 62 entries.

  431 19:39:49.696150  creating vboot_handoff structure

  432 19:39:49.701486  Chrome EC: clear events_b mask to 0x21004000

  433 19:39:49.734563  src/lib/tpm2_tlcl.c:208 index 0x100b return code 0

  434 19:39:49.750214  tlcl_write: response is 0

  435 19:39:49.768722  src/lib/tpm2_tlcl.c:208 index 0x100b return code 0

  436 19:39:49.772273  MRC: TPM MRC hash updated successfully.

  437 19:39:49.775271  CPU: frequency set to 2500 MHz

  438 19:39:49.777499  4 DIMMs found

  439 19:39:49.783667  MTRR Range: Start=7a000000 End=7b000000 (Size 1000000)

  440 19:39:49.787944  MTRR Range: Start=ff000000 End=0 (Size 1000000)

  441 19:39:49.793051  MTRR Range: Start=7b000000 End=7b800000 (Size 800000)

  442 19:39:49.798070  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  443 19:39:49.801312  CBFS @ 205000 size 17b000

  444 19:39:49.806540  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  445 19:39:49.809108  CBFS: Locating 'fallback/postcar'

  446 19:39:49.813468  CBFS: Found @ offset b3000 size 45b8

  447 19:39:49.819347  Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes)

  448 19:39:49.830542  Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648

  449 19:39:49.834632  Processing 131 relocs. Offset value of 0x78bc6000

  450 19:39:49.837310  

  451 19:39:49.837402  

  452 19:39:49.845712  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting...

  453 19:39:49.850526  FMAP: Found "FLASH" version 1.1 at 204000.

  454 19:39:49.855481  FMAP: base = 0 size = 1000000 #areas = 35

  455 19:39:49.859446  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  456 19:39:49.862531  CBFS @ 205000 size 17b000

  457 19:39:49.867748  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  458 19:39:49.870912  CBFS: Locating 'fallback/ramstage'

  459 19:39:49.876202  CBFS: Found @ offset 15dc0 size 17c31

  460 19:39:49.881455  Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes)

  461 19:39:49.917600  Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0

  462 19:39:49.921313  Processing 2993 relocs. Offset value of 0x7aa78000

  463 19:39:49.922363  

  464 19:39:49.922496  

  465 19:39:49.931093  coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting...

  466 19:39:49.935684  FMAP: Found "FLASH" version 1.1 at 204000.

  467 19:39:49.939842  FMAP: base = 0 size = 1000000 #areas = 35

  468 19:39:49.945360  FMAP: area RO_VPD found @ 200000 (16384 bytes)

  469 19:39:49.948585  WARNING: RO_VPD is uninitialized or empty.

  470 19:39:49.953203  FMAP: area RW_VPD found @ 428000 (8192 bytes)

  471 19:39:49.958242  FMAP: area RW_VPD found @ 428000 (8192 bytes)

  472 19:39:49.959428  Normal boot.

  473 19:39:49.964349  BS: BS_PRE_DEVICE times (us): entry 2 run 31 exit 0

  474 19:39:49.968436  Board ID: 5

  475 19:39:49.973675  mainboard: EC init

  476 19:39:49.977978  Chrome EC: Set WAKE mask to 0x00000000

  477 19:39:49.984267  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  478 19:39:49.987116  CBFS @ 205000 size 17b000

  479 19:39:49.990958  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  480 19:39:49.993752  CBFS: Locating 'fsps.bin'

  481 19:39:49.997792  CBFS: Found @ offset 88fc0 size 2a000

  482 19:39:50.021011  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

  483 19:39:50.022956  CBFS @ 205000 size 17b000

  484 19:39:50.029929  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

  485 19:39:50.031661  CBFS: Locating 'vbt-babytiger.bin'

  486 19:39:50.035971  CBFS: Found @ offset 155800 size 528

  487 19:39:50.040962  Found a VBT of 6656 bytes after decompression

  488 19:39:50.214846  ITSS IRQ Polarities Before:

  489 19:39:50.215989  IPC0: 0xffffeef8

  490 19:39:50.218137  IPC1: 0xffffffff

  491 19:39:50.219812  IPC2: 0xffffffff

  492 19:39:50.221131  IPC3: 0x00ffffff

  493 19:39:50.224433  ITSS IRQ Polarities After:

  494 19:39:50.226659  IPC0: 0xffffeef8

  495 19:39:50.227635  IPC1: 0x4a07ffff

  496 19:39:50.229753  IPC2: 0x08000000

  497 19:39:50.231348  IPC3: 0x00a11000

  498 19:39:50.232759  RAPL PL1 12.0W

  499 19:39:50.234129  RAPL PL2 15.0W

  500 19:39:50.240707  BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 268994 exit 0

  501 19:39:50.243362  Enumerating buses...

  502 19:39:50.247927  Show all devs... Before device enumeration.

  503 19:39:50.250461  Root Device: enabled 1

  504 19:39:50.253121  CPU_CLUSTER: 0: enabled 1

  505 19:39:50.254389  APIC: 00: enabled 1

  506 19:39:50.257116  DOMAIN: 0000: enabled 1

  507 19:39:50.260195  PCI: 00:00.0: enabled 1

  508 19:39:50.262701  PCI: 00:00.1: enabled 1

  509 19:39:50.264210  PCI: 00:00.2: enabled 1

  510 19:39:50.266701  PCI: 00:02.0: enabled 1

  511 19:39:50.269154  PCI: 00:03.0: enabled 1

  512 19:39:50.272291  PCI: 00:0d.0: enabled 1

  513 19:39:50.274292  PCI: 00:0d.1: enabled 1

  514 19:39:50.276354  PCI: 00:0d.2: enabled 1

  515 19:39:50.279029  PCI: 00:0d.3: enabled 1

  516 19:39:50.283494  PCI: 00:0e.0: enabled 1

  517 19:39:50.284779  GENERIC: 0.0: enabled 1

  518 19:39:50.286282  PCI: 00:11.0: enabled 0

  519 19:39:50.290036  PCI: 00:12.0: enabled 0

  520 19:39:50.291358  PCI: 00:13.0: enabled 0

  521 19:39:50.293669  PCI: 00:13.1: enabled 0

  522 19:39:50.296418  PCI: 00:13.2: enabled 0

  523 19:39:50.298172  PCI: 00:13.3: enabled 0

  524 19:39:50.301358  PCI: 00:14.0: enabled 1

  525 19:39:50.303438  PCI: 00:00.0: enabled 1

  526 19:39:50.305765  PCI: 00:14.1: enabled 0

  527 19:39:50.308375  PCI: 00:15.0: enabled 1

  528 19:39:50.311809  PCI: 00:15.1: enabled 0

  529 19:39:50.314531  PCI: 00:16.0: enabled 1

  530 19:39:50.314860  I2C: 00:1a: enabled 1

  531 19:39:50.317726  PCI: 00:16.1: enabled 1

  532 19:39:50.319851  PCI: 00:16.2: enabled 1

  533 19:39:50.324015  I2C: 00:50: enabled 1

  534 19:39:50.325943  PCI: 00:16.3: enabled 1

  535 19:39:50.327055  I2C: 00:10: enabled 1

  536 19:39:50.328973  I2C: 00:39: enabled 1

  537 19:39:50.332156  PCI: 00:17.0: enabled 1

  538 19:39:50.334988  I2C: 00:15: enabled 1

  539 19:39:50.337122  I2C: 00:2c: enabled 1

  540 19:39:50.339452  PCI: 00:17.1: enabled 1

  541 19:39:50.341286  I2C: 00:09: enabled 1

  542 19:39:50.343713  PCI: 00:17.2: enabled 0

  543 19:39:50.347008  PCI: 00:17.3: enabled 0

  544 19:39:50.348496  PCI: 00:18.0: enabled 1

  545 19:39:50.351051  PCI: 00:18.1: enabled 1

  546 19:39:50.353097  PCI: 00:18.2: enabled 1

  547 19:39:50.355243  PCI: 00:18.3: enabled 0

  548 19:39:50.358426  PCI: 00:19.0: enabled 1

  549 19:39:50.360969  PCI: 00:19.1: enabled 0

  550 19:39:50.362809  PCI: 00:19.2: enabled 0

  551 19:39:50.366908  PCI: 00:1a.0: enabled 1

  552 19:39:50.367799  PCI: 00:1b.0: enabled 1

  553 19:39:50.371319  PCI: 00:1c.0: enabled 1

  554 19:39:50.373721  PCI: 00:1e.0: enabled 0

  555 19:39:50.375870  PCI: 00:1f.0: enabled 1

  556 19:39:50.378039  PNP: 0c09.0: enabled 1

  557 19:39:50.380212  PCI: 00:1f.1: enabled 1

  558 19:39:50.382853  Compare with tree...

  559 19:39:50.385164  Root Device: enabled 1

  560 19:39:50.387498   CPU_CLUSTER: 0: enabled 1

  561 19:39:50.390218    APIC: 00: enabled 1

  562 19:39:50.392466   DOMAIN: 0000: enabled 1

  563 19:39:50.398134    PCI: 00:00.0: enabled 1

  564 19:39:50.398750    PCI: 00:00.1: enabled 1

  565 19:39:50.400006    PCI: 00:00.2: enabled 1

  566 19:39:50.404351    PCI: 00:02.0: enabled 1

  567 19:39:50.405301    PCI: 00:03.0: enabled 1

  568 19:39:50.409716    PCI: 00:0d.0: enabled 1

  569 19:39:50.410727    PCI: 00:0d.1: enabled 1

  570 19:39:50.413449    PCI: 00:0d.2: enabled 1

  571 19:39:50.416343    PCI: 00:0d.3: enabled 1

  572 19:39:50.418457    PCI: 00:0e.0: enabled 1

  573 19:39:50.420816     GENERIC: 0.0: enabled 1

  574 19:39:50.424993    PCI: 00:11.0: enabled 0

  575 19:39:50.426836    PCI: 00:12.0: enabled 0

  576 19:39:50.430162    PCI: 00:13.0: enabled 0

  577 19:39:50.431895    PCI: 00:13.1: enabled 0

  578 19:39:50.434058    PCI: 00:13.2: enabled 0

  579 19:39:50.436612    PCI: 00:13.3: enabled 0

  580 19:39:50.440425    PCI: 00:14.0: enabled 1

  581 19:39:50.441963     PCI: 00:00.0: enabled 1

  582 19:39:50.445322    PCI: 00:14.1: enabled 0

  583 19:39:50.447403    PCI: 00:15.0: enabled 1

  584 19:39:50.450355    PCI: 00:15.1: enabled 0

  585 19:39:50.453558    PCI: 00:16.0: enabled 1

  586 19:39:50.455443     I2C: 00:1a: enabled 1

  587 19:39:50.457878    PCI: 00:16.1: enabled 1

  588 19:39:50.461322    PCI: 00:16.2: enabled 1

  589 19:39:50.463209     I2C: 00:50: enabled 1

  590 19:39:50.467111    PCI: 00:16.3: enabled 1

  591 19:39:50.469747     I2C: 00:10: enabled 1

  592 19:39:50.470941     I2C: 00:39: enabled 1

  593 19:39:50.473297    PCI: 00:17.0: enabled 1

  594 19:39:50.479230     I2C: 00:15: enabled 1

  595 19:39:50.479808     I2C: 00:2c: enabled 1

  596 19:39:50.480867    PCI: 00:17.1: enabled 1

  597 19:39:50.486032     I2C: 00:09: enabled 1

  598 19:39:50.486509    PCI: 00:17.2: enabled 0

  599 19:39:50.488837    PCI: 00:17.3: enabled 0

  600 19:39:50.492096    PCI: 00:18.0: enabled 1

  601 19:39:50.494955    PCI: 00:18.1: enabled 1

  602 19:39:50.497005    PCI: 00:18.2: enabled 1

  603 19:39:50.500120    PCI: 00:18.3: enabled 0

  604 19:39:50.502104    PCI: 00:19.0: enabled 1

  605 19:39:50.504934    PCI: 00:19.1: enabled 0

  606 19:39:50.507215    PCI: 00:19.2: enabled 0

  607 19:39:50.510066    PCI: 00:1a.0: enabled 1

  608 19:39:50.514518    PCI: 00:1b.0: enabled 1

  609 19:39:50.515965    PCI: 00:1c.0: enabled 1

  610 19:39:50.517821    PCI: 00:1e.0: enabled 0

  611 19:39:50.521326    PCI: 00:1f.0: enabled 1

  612 19:39:50.524359     PNP: 0c09.0: enabled 1

  613 19:39:50.525699    PCI: 00:1f.1: enabled 1

  614 19:39:50.528097  Root Device scanning...

  615 19:39:50.532387  root_dev_scan_bus for Root Device

  616 19:39:50.535370  CPU_CLUSTER: 0 enabled

  617 19:39:50.537019  DOMAIN: 0000 enabled

  618 19:39:50.538667  DOMAIN: 0000 scanning...

  619 19:39:50.542241  PCI: pci_scan_bus for bus 00

  620 19:39:50.545749  PCI: 00:00.0 [8086/0000] ops

  621 19:39:50.548369  PCI: 00:00.0 [8086/5af0] enabled

  622 19:39:50.552683  PCI: 00:00.1 [8086/5a8c] enabled

  623 19:39:50.555084  PCI: 00:00.2 [8086/5a8e] enabled

  624 19:39:50.557854  PCI: 00:02.0 [8086/0000] ops

  625 19:39:50.561953  PCI: 00:02.0 [8086/5a84] enabled

  626 19:39:50.564697  PCI: 00:03.0 [8086/5a88] enabled

  627 19:39:50.567341  PCI: 00:0d.0 [8086/0000] ops

  628 19:39:50.570750  PCI: 00:0d.0 [8086/5a92] enabled

  629 19:39:50.573418  PCI: 00:0d.1 [8086/0000] ops

  630 19:39:50.577363  PCI: 00:0d.1 [8086/5a94] enabled

  631 19:39:50.580841  PCI: 00:0d.2 [8086/5a96] enabled

  632 19:39:50.583051  PCI: 00:0d.3 [8086/0000] ops

  633 19:39:50.586735  PCI: 00:0d.3 [8086/5aec] enabled

  634 19:39:50.589810  PCI: 00:0e.0 [8086/0000] bus ops

  635 19:39:50.593766  PCI: 00:0e.0 [8086/5a98] enabled

  636 19:39:50.595548  PCI: 00:0f.0 [8086/0000] ops

  637 19:39:50.599372  PCI: 00:0f.0 [8086/5a9a] enabled

  638 19:39:50.602727  PCI: 00:0f.1 [8086/5a9c] enabled

  639 19:39:50.606803  PCI: 00:0f.2 [8086/5a9e] enabled

  640 19:39:50.608976  Capability: type 0x10 @ 0x40

  641 19:39:50.614119  Capability: type 0x05 @ 0x80

  642 19:39:50.615243  Capability: type 0x0d @ 0x90

  643 19:39:50.617524  Capability: type 0x01 @ 0xa0

  644 19:39:50.622285  Capability: type 0x10 @ 0x40

  645 19:39:50.628117  PCI: 00:14.0 subordinate bus PCI Express

  646 19:39:50.628598  PCI: 00:14.0 [8086/5ad6] enabled

  647 19:39:50.630821  PCI: 00:15.0 [8086/0000] ops

  648 19:39:50.634279  PCI: 00:15.0 [8086/5aa8] enabled

  649 19:39:50.637609  PCI: 00:16.0 [8086/0000] bus ops

  650 19:39:50.640777  PCI: 00:16.0 [8086/5aac] enabled

  651 19:39:50.643797  PCI: 00:16.1 [8086/0000] bus ops

  652 19:39:50.648012  PCI: 00:16.1 [8086/5aae] enabled

  653 19:39:50.650541  PCI: 00:16.2 [8086/0000] bus ops

  654 19:39:50.656068  PCI: 00:16.2 [8086/5ab0] enabled

  655 19:39:50.657680  PCI: 00:16.3 [8086/0000] bus ops

  656 19:39:50.660819  PCI: 00:16.3 [8086/5ab2] enabled

  657 19:39:50.664096  PCI: 00:17.0 [8086/0000] bus ops

  658 19:39:50.667345  PCI: 00:17.0 [8086/5ab4] enabled

  659 19:39:50.670780  PCI: 00:17.1 [8086/0000] bus ops

  660 19:39:50.674974  PCI: 00:17.1 [8086/5ab6] enabled

  661 19:39:50.676673  PCI: 00:18.0 [8086/0000] ops

  662 19:39:50.680764  PCI: 00:18.0 [8086/5abc] enabled

  663 19:39:50.683622  PCI: 00:18.1 [8086/0000] ops

  664 19:39:50.686866  PCI: 00:18.1 [8086/5abe] enabled

  665 19:39:50.689349  PCI: 00:18.2 [8086/0000] ops

  666 19:39:50.692656  PCI: 00:18.2 [8086/5ac0] enabled

  667 19:39:50.695860  PCI: 00:19.0 [8086/5ac2] enabled

  668 19:39:50.701532  PCI: Static device PCI: 00:1a.0 not found, disabling it.

  669 19:39:50.704781  PCI: 00:1b.0 [8086/0000] ops

  670 19:39:50.709116  PCI: 00:1b.0 [8086/5aca] enabled

  671 19:39:50.712231  PCI: 00:1c.0 [8086/5acc] enabled

  672 19:39:50.715177  PCI: 00:1f.0 [8086/0000] bus ops

  673 19:39:50.717888  PCI: 00:1f.0 [8086/5ae8] enabled

  674 19:39:50.720927  PCI: 00:1f.1 [8086/5ad4] enabled

  675 19:39:50.723851  PCI: 00:0e.0 scanning...

  676 19:39:50.726260  GENERIC: 0.0 enabled

  677 19:39:50.731800  scan_bus: scanning of bus PCI: 00:0e.0 took 4837 usecs

  678 19:39:50.734119  PCI: 00:14.0 scanning...

  679 19:39:50.741566  do_pci_scan_bridge for PCI: 00:14.0

  680 19:39:50.742211  PCI: pci_scan_bus for bus 01

  681 19:39:50.743929  PCI: 01:00.0 [8086/095a] enabled

  682 19:39:50.750031  Capability: type 0x01 @ 0xc8

  683 19:39:50.750582  Capability: type 0x05 @ 0xd0

  684 19:39:50.753035  Capability: type 0x10 @ 0x40

  685 19:39:50.756764  Capability: type 0x10 @ 0x40

  686 19:39:50.759558  Enabling Common Clock Configuration

  687 19:39:50.765154  L1 Sub-State supported from root port 20

  688 19:39:50.767075  L1 Sub-State Support = 0xf

  689 19:39:50.769475  CommonModeRestoreTime = 0x28

  690 19:39:50.773992  Power On Value = 0x1e, Power On Scale = 0x0

  691 19:39:50.775179  ASPM: Enabled L1

  692 19:39:50.779155  Capability: type 0x01 @ 0xc8

  693 19:39:50.781420  Capability: type 0x05 @ 0xd0

  694 19:39:50.784482  Capability: type 0x10 @ 0x40

  695 19:39:50.789858  scan_bus: scanning of bus PCI: 00:14.0 took 52800 usecs

  696 19:39:50.792260  PCI: 00:16.0 scanning...

  697 19:39:50.796835  scan_generic_bus for PCI: 00:16.0

  698 19:39:50.799950  bus: PCI: 00:16.0[0]->I2C: 01:1a enabled

  699 19:39:50.803687  scan_generic_bus for PCI: 00:16.0 done

  700 19:39:50.809364  scan_bus: scanning of bus PCI: 00:16.0 took 14064 usecs

  701 19:39:50.812109  PCI: 00:16.1 scanning...

  702 19:39:50.815942  scan_generic_bus for PCI: 00:16.1

  703 19:39:50.819318  scan_generic_bus for PCI: 00:16.1 done

  704 19:39:50.825365  scan_bus: scanning of bus PCI: 00:16.1 took 9982 usecs

  705 19:39:50.827531  PCI: 00:16.2 scanning...

  706 19:39:50.831336  scan_generic_bus for PCI: 00:16.2

  707 19:39:50.835261  bus: PCI: 00:16.2[0]->I2C: 02:50 enabled

  708 19:39:50.839711  scan_generic_bus for PCI: 00:16.2 done

  709 19:39:50.844493  scan_bus: scanning of bus PCI: 00:16.2 took 14050 usecs

  710 19:39:50.847257  PCI: 00:16.3 scanning...

  711 19:39:50.850607  scan_generic_bus for PCI: 00:16.3

  712 19:39:50.854584  bus: PCI: 00:16.3[0]->I2C: 03:10 enabled

  713 19:39:50.859125  bus: PCI: 00:16.3[0]->I2C: 03:39 enabled

  714 19:39:50.862875  scan_generic_bus for PCI: 00:16.3 done

  715 19:39:50.868416  scan_bus: scanning of bus PCI: 00:16.3 took 18143 usecs

  716 19:39:50.870803  PCI: 00:17.0 scanning...

  717 19:39:50.874780  scan_generic_bus for PCI: 00:17.0

  718 19:39:50.879056  bus: PCI: 00:17.0[0]->I2C: 04:15 enabled

  719 19:39:50.882988  bus: PCI: 00:17.0[0]->I2C: 04:2c enabled

  720 19:39:50.887152  scan_generic_bus for PCI: 00:17.0 done

  721 19:39:50.892143  scan_bus: scanning of bus PCI: 00:17.0 took 18130 usecs

  722 19:39:50.894526  PCI: 00:17.1 scanning...

  723 19:39:50.898412  scan_generic_bus for PCI: 00:17.1

  724 19:39:50.902477  bus: PCI: 00:17.1[0]->I2C: 05:09 enabled

  725 19:39:50.906116  scan_generic_bus for PCI: 00:17.1 done

  726 19:39:50.912323  scan_bus: scanning of bus PCI: 00:17.1 took 14065 usecs

  727 19:39:50.914217  PCI: 00:1f.0 scanning...

  728 19:39:50.917577  scan_lpc_bus for PCI: 00:1f.0

  729 19:39:50.919891  PNP: 0c09.0 enabled

  730 19:39:50.923191  scan_lpc_bus for PCI: 00:1f.0 done

  731 19:39:50.928563  scan_bus: scanning of bus PCI: 00:1f.0 took 11247 usecs

  732 19:39:50.934535  scan_bus: scanning of bus DOMAIN: 0000 took 391090 usecs

  733 19:39:50.938841  root_dev_scan_bus for Root Device done

  734 19:39:50.943809  scan_bus: scanning of bus Root Device took 411058 usecs

  735 19:39:50.944456  done

  736 19:39:50.951596  FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes)

  737 19:39:50.957269  MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'.

  738 19:39:50.965225  SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000

  739 19:39:50.976039  FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes)

  740 19:39:50.981830  MRC: Checking cached data update for 'RW_VAR_MRC_CACHE'.

  741 19:39:50.986667  MRC: cache data 'RW_VAR_MRC_CACHE' needs update.

  742 19:39:50.991775  FMAP: area RW_ELOG found @ 421000 (12288 bytes)

  743 19:39:50.995340  ELOG: NV offset 0x421000 size 0x3000

  744 19:39:51.002915  ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024

  745 19:39:51.009297  ELOG: Event(17) added with size 13 at 2024-01-05 19:39:49 UTC

  746 19:39:51.014346  POST: Unexpected post code in previous boot: 0x98

  747 19:39:51.020863  ELOG: Event(A3) added with size 11 at 2024-01-05 19:39:50 UTC

  748 19:39:51.026849  ELOG: Event(A6) added with size 13 at 2024-01-05 19:39:50 UTC

  749 19:39:51.033425  ELOG: Event(AA) added with size 11 at 2024-01-05 19:39:50 UTC

  750 19:39:51.039946  ELOG: Event(16) added with size 11 at 2024-01-05 19:39:50 UTC

  751 19:39:51.042911  Erasing flash addr 421000 + 4 KiB

  752 19:39:51.115466  FMAP: area UNIFIED_MRC_CACHE found @ 400000 (135168 bytes)

  753 19:39:51.118572  SPI flash protection: WPSW=1 SRP0=0

  754 19:39:51.123719  MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'.

  755 19:39:51.130282  BS: BS_DEV_ENUMERATE times (us): entry 0 run 700324 exit 174777

  756 19:39:51.133118  found VGA at PCI: 00:02.0

  757 19:39:51.135789  Setting up VGA for PCI: 00:02.0

  758 19:39:51.140840  Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000

  759 19:39:51.146389  Setting PCI_BRIDGE_CTL_VGA for bridge Root Device

  760 19:39:51.149654  Allocating resources...

  761 19:39:51.150903  Reading resources...

  762 19:39:51.154658  Root Device read_resources bus 0 link: 0

  763 19:39:51.159336  CPU_CLUSTER: 0 read_resources bus 0 link: 0

  764 19:39:51.164207  CPU_CLUSTER: 0 read_resources bus 0 link: 0 done

  765 19:39:51.168343  DOMAIN: 0000 read_resources bus 0 link: 0

  766 19:39:51.174708  PCI: 00:0e.0 read_resources bus 0 link: 0

  767 19:39:51.178832  PCI: 00:0e.0 read_resources bus 0 link: 0 done

  768 19:39:51.183529  PCI: 00:14.0 read_resources bus 1 link: 0

  769 19:39:51.188767  PCI: 00:14.0 read_resources bus 1 link: 0 done

  770 19:39:51.192912  PCI: 00:16.0 read_resources bus 1 link: 0

  771 19:39:51.197044  PCI: 00:16.0 read_resources bus 1 link: 0 done

  772 19:39:51.201630  PCI: 00:16.2 read_resources bus 2 link: 0

  773 19:39:51.206035  PCI: 00:16.2 read_resources bus 2 link: 0 done

  774 19:39:51.210521  PCI: 00:16.3 read_resources bus 3 link: 0

  775 19:39:51.214811  PCI: 00:16.3 read_resources bus 3 link: 0 done

  776 19:39:51.219540  PCI: 00:17.0 read_resources bus 4 link: 0

  777 19:39:51.224160  PCI: 00:17.0 read_resources bus 4 link: 0 done

  778 19:39:51.228268  PCI: 00:17.1 read_resources bus 5 link: 0

  779 19:39:51.232943  PCI: 00:17.1 read_resources bus 5 link: 0 done

  780 19:39:51.237786  PCI: 00:1f.0 read_resources bus 0 link: 0

  781 19:39:51.242867  PCI: 00:1f.0 read_resources bus 0 link: 0 done

  782 19:39:51.247088  DOMAIN: 0000 read_resources bus 0 link: 0 done

  783 19:39:51.251299  Root Device read_resources bus 0 link: 0 done

  784 19:39:51.253806  Done reading resources.

  785 19:39:51.260302  Show resources in subtree (Root Device)...After reading.

  786 19:39:51.263745   Root Device child on link 0 CPU_CLUSTER: 0

  787 19:39:51.268660    CPU_CLUSTER: 0 child on link 0 APIC: 00

  788 19:39:51.269789     APIC: 00

  789 19:39:51.274785    DOMAIN: 0000 child on link 0 PCI: 00:00.0

  790 19:39:51.282764    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000

  791 19:39:51.293091    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100

  792 19:39:51.294504     PCI: 00:00.0

  793 19:39:51.304471     PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0

  794 19:39:51.313344     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

  795 19:39:51.322245     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2

  796 19:39:51.331681     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3

  797 19:39:51.341882     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5

  798 19:39:51.350936     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6

  799 19:39:51.360725     PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7

  800 19:39:51.369822     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8

  801 19:39:51.379480     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9

  802 19:39:51.388744     PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a

  803 19:39:51.398024     PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

  804 19:39:51.407725     PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c

  805 19:39:51.417488     PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d

  806 19:39:51.426292     PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e

  807 19:39:51.436394     PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f

  808 19:39:51.445927     PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10

  809 19:39:51.455389     PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11

  810 19:39:51.457449     PCI: 00:00.1

  811 19:39:51.467397     PCI: 00:00.1 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10

  812 19:39:51.469519     PCI: 00:00.2

  813 19:39:51.478921     PCI: 00:00.2 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 10

  814 19:39:51.488834     PCI: 00:00.2 resource base 0 size 800000 align 23 gran 23 limit ffffffffffffffff flags 201 index 18

  815 19:39:51.498914     PCI: 00:00.2 resource base 0 size 200 align 12 gran 9 limit ffffffffffffffff flags 201 index 20

  816 19:39:51.500303     PCI: 00:02.0

  817 19:39:51.510431     PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10

  818 19:39:51.520685     PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18

  819 19:39:51.529448     PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20

  820 19:39:51.530924     PCI: 00:03.0

  821 19:39:51.540575     PCI: 00:03.0 resource base 0 size 1000000 align 24 gran 24 limit 7fffffffff flags 201 index 10

  822 19:39:51.542339     PCI: 00:0d.0

  823 19:39:51.551904     PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10

  824 19:39:51.553770     PCI: 00:0d.1

  825 19:39:51.563030     PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10

  826 19:39:51.572912     PCI: 00:0d.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  827 19:39:51.582212     PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags c0000100 index 20

  828 19:39:51.584106     PCI: 00:0d.2

  829 19:39:51.593026     PCI: 00:0d.2 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10

  830 19:39:51.595315     PCI: 00:0d.3

  831 19:39:51.603512     PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10

  832 19:39:51.613201     PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 18

  833 19:39:51.618319     PCI: 00:0e.0 child on link 0 GENERIC: 0.0

  834 19:39:51.627891     PCI: 00:0e.0 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10

  835 19:39:51.637959     PCI: 00:0e.0 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 20

  836 19:39:51.640160      GENERIC: 0.0

  837 19:39:51.641685     PCI: 00:0f.0

  838 19:39:51.651418     PCI: 00:0f.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  839 19:39:51.652949     PCI: 00:0f.1

  840 19:39:51.663169     PCI: 00:0f.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  841 19:39:51.664772     PCI: 00:0f.2

  842 19:39:51.675423     PCI: 00:0f.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  843 19:39:51.676072     PCI: 00:11.0

  844 19:39:51.677849     PCI: 00:12.0

  845 19:39:51.680783     PCI: 00:13.0

  846 19:39:51.680867     PCI: 00:13.1

  847 19:39:51.683103     PCI: 00:13.2

  848 19:39:51.684413     PCI: 00:13.3

  849 19:39:51.688935     PCI: 00:14.0 child on link 0 PCI: 01:00.0

  850 19:39:51.698165     PCI: 00:14.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c

  851 19:39:51.707696     PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24

  852 19:39:51.716205     PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20

  853 19:39:51.717957      PCI: 01:00.0

  854 19:39:51.729075      PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10

  855 19:39:51.730096     PCI: 00:14.1

  856 19:39:51.731418     PCI: 00:15.0

  857 19:39:51.742075     PCI: 00:15.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10

  858 19:39:51.743789     PCI: 00:15.1

  859 19:39:51.747417     PCI: 00:16.0 child on link 0 I2C: 01:1a

  860 19:39:51.757482     PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  861 19:39:51.767344     PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  862 19:39:51.769050      I2C: 01:1a

  863 19:39:51.770888     PCI: 00:16.1

  864 19:39:51.780954     PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  865 19:39:51.790779     PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  866 19:39:51.794803     PCI: 00:16.2 child on link 0 I2C: 02:50

  867 19:39:51.805212     PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  868 19:39:51.814756     PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  869 19:39:51.816818      I2C: 02:50

  870 19:39:51.820727     PCI: 00:16.3 child on link 0 I2C: 03:10

  871 19:39:51.830377     PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  872 19:39:51.840557     PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  873 19:39:51.842289      I2C: 03:10

  874 19:39:51.843966      I2C: 03:39

  875 19:39:51.848516     PCI: 00:17.0 child on link 0 I2C: 04:15

  876 19:39:51.858112     PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  877 19:39:51.868108     PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  878 19:39:51.869760      I2C: 04:15

  879 19:39:51.871158      I2C: 04:2c

  880 19:39:51.875471     PCI: 00:17.1 child on link 0 I2C: 05:09

  881 19:39:51.885532     PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  882 19:39:51.894763     PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  883 19:39:51.896463      I2C: 05:09

  884 19:39:51.898740     PCI: 00:17.2

  885 19:39:51.900243     PCI: 00:17.3

  886 19:39:51.901395     PCI: 00:18.0

  887 19:39:51.911745     PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  888 19:39:51.922034     PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  889 19:39:51.923640     PCI: 00:18.1

  890 19:39:51.932994     PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  891 19:39:51.943306     PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  892 19:39:51.944779     PCI: 00:18.2

  893 19:39:51.954887     PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10

  894 19:39:51.964730     PCI: 00:18.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  895 19:39:51.965734     PCI: 00:18.3

  896 19:39:51.967853     PCI: 00:19.0

  897 19:39:51.977440     PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  898 19:39:52.035317     PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  899 19:39:52.035415     PCI: 00:19.1

  900 19:39:52.035483     PCI: 00:19.2

  901 19:39:52.042448     PCI: 00:1a.0

  902 19:39:52.042533     PCI: 00:1b.0

  903 19:39:52.054488     PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  904 19:39:52.062483     PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  905 19:39:52.062569     PCI: 00:1c.0

  906 19:39:52.063782     PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  907 19:39:52.065803     PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  908 19:39:52.065890     PCI: 00:1e.0

  909 19:39:52.066579     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

  910 19:39:52.066960     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

  911 19:39:52.067062      PNP: 0c09.0

  912 19:39:52.067969      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

  913 19:39:52.068068     PCI: 00:1f.1

  914 19:39:52.072131     PCI: 00:1f.1 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10

  915 19:39:52.080226     PCI: 00:1f.1 resource base 0 size 20 align 5 gran 5 limit ffff flags 100 index 20

  916 19:39:52.086406  DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff

  917 19:39:52.092866  PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff

  918 19:39:52.099481  PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done

  919 19:39:52.103579  PCI: 00:02.0 20 *  [0x0 - 0x3f] io

  920 19:39:52.107148  PCI: 00:1f.1 20 *  [0x40 - 0x5f] io

  921 19:39:52.113688  DOMAIN: 0000 io: base: 60 size: 60 align: 6 gran: 0 limit: ffff done

  922 19:39:52.120238  DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff

  923 19:39:52.129401  PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff

  924 19:39:52.136681  PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done

  925 19:39:52.143772  PCI: 00:14.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff

  926 19:39:52.147133  PCI: 01:00.0 10 *  [0x0 - 0x1fff] mem

  927 19:39:52.155241  PCI: 00:14.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done

  928 19:39:52.160025  PCI: 00:02.0 18 *  [0x0 - 0xfffffff] prefmem

  929 19:39:52.165485  PCI: 00:02.0 10 *  [0x10000000 - 0x10ffffff] mem

  930 19:39:52.169747  PCI: 00:03.0 10 *  [0x11000000 - 0x11ffffff] mem

  931 19:39:52.174664  PCI: 00:00.2 18 *  [0x12000000 - 0x127fffff] mem

  932 19:39:52.179336  PCI: 00:00.2 10 *  [0x12800000 - 0x128fffff] mem

  933 19:39:52.184360  PCI: 00:0e.0 20 *  [0x12900000 - 0x129fffff] mem

  934 19:39:52.189234  PCI: 00:14.0 20 *  [0x12a00000 - 0x12afffff] mem

  935 19:39:52.194855  PCI: 00:15.0 10 *  [0x12b00000 - 0x12b0ffff] mem

  936 19:39:52.198743  PCI: 00:00.1 10 *  [0x12b10000 - 0x12b17fff] mem

  937 19:39:52.203777  PCI: 00:0e.0 10 *  [0x12b18000 - 0x12b1bfff] mem

  938 19:39:52.210787  PCI: 00:0d.1 18 *  [0x12b1c000 - 0x12b1cfff] mem

  939 19:39:52.213854  PCI: 00:0d.2 10 *  [0x12b1d000 - 0x12b1dfff] mem

  940 19:39:52.218734  PCI: 00:0f.0 10 *  [0x12b1e000 - 0x12b1efff] mem

  941 19:39:52.223500  PCI: 00:0f.1 10 *  [0x12b1f000 - 0x12b1ffff] mem

  942 19:39:52.228092  PCI: 00:0f.2 10 *  [0x12b20000 - 0x12b20fff] mem

  943 19:39:52.233114  PCI: 00:16.0 10 *  [0x12b21000 - 0x12b21fff] mem

  944 19:39:52.238172  PCI: 00:16.0 18 *  [0x12b22000 - 0x12b22fff] mem

  945 19:39:52.243337  PCI: 00:16.1 10 *  [0x12b23000 - 0x12b23fff] mem

  946 19:39:52.248123  PCI: 00:16.1 18 *  [0x12b24000 - 0x12b24fff] mem

  947 19:39:52.252526  PCI: 00:16.2 10 *  [0x12b25000 - 0x12b25fff] mem

  948 19:39:52.257843  PCI: 00:16.2 18 *  [0x12b26000 - 0x12b26fff] mem

  949 19:39:52.262075  PCI: 00:16.3 10 *  [0x12b27000 - 0x12b27fff] mem

  950 19:39:52.267666  PCI: 00:16.3 18 *  [0x12b28000 - 0x12b28fff] mem

  951 19:39:52.272231  PCI: 00:17.0 10 *  [0x12b29000 - 0x12b29fff] mem

  952 19:39:52.276816  PCI: 00:17.0 18 *  [0x12b2a000 - 0x12b2afff] mem

  953 19:39:52.281612  PCI: 00:17.1 10 *  [0x12b2b000 - 0x12b2bfff] mem

  954 19:39:52.286949  PCI: 00:17.1 18 *  [0x12b2c000 - 0x12b2cfff] mem

  955 19:39:52.291496  PCI: 00:18.0 10 *  [0x12b2d000 - 0x12b2dfff] mem

  956 19:39:52.296951  PCI: 00:18.0 18 *  [0x12b2e000 - 0x12b2efff] mem

  957 19:39:52.301347  PCI: 00:18.1 10 *  [0x12b2f000 - 0x12b2ffff] mem

  958 19:39:52.306236  PCI: 00:18.1 18 *  [0x12b30000 - 0x12b30fff] mem

  959 19:39:52.311166  PCI: 00:18.2 18 *  [0x12b31000 - 0x12b31fff] mem

  960 19:39:52.315805  PCI: 00:19.0 10 *  [0x12b32000 - 0x12b32fff] mem

  961 19:39:52.321405  PCI: 00:19.0 18 *  [0x12b33000 - 0x12b33fff] mem

  962 19:39:52.325938  PCI: 00:1b.0 10 *  [0x12b34000 - 0x12b34fff] mem

  963 19:39:52.330380  PCI: 00:1b.0 18 *  [0x12b35000 - 0x12b35fff] mem

  964 19:39:52.335475  PCI: 00:1c.0 10 *  [0x12b36000 - 0x12b36fff] mem

  965 19:39:52.340782  PCI: 00:1c.0 18 *  [0x12b37000 - 0x12b37fff] mem

  966 19:39:52.346046  PCI: 00:00.2 20 *  [0x12b38000 - 0x12b381ff] mem

  967 19:39:52.350370  PCI: 00:1f.1 10 *  [0x12b39000 - 0x12b390ff] mem

  968 19:39:52.359295  DOMAIN: 0000 mem: base: 12b39100 size: 12b39100 align: 28 gran: 0 limit: ffffffff done

  969 19:39:52.362430  avoid_fixed_resources: DOMAIN: 0000

  970 19:39:52.368975  avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff

  971 19:39:52.374045  avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff

  972 19:39:52.381961  constrain_resources: PCI: 00:00.0 00 base e0000000 limit efffffff mem (fixed)

  973 19:39:52.389953  constrain_resources: PCI: 00:00.0 02 base 00000000 limit 0009ffff mem (fixed)

  974 19:39:52.398091  constrain_resources: PCI: 00:00.0 03 base 000c0000 limit 7affffff mem (fixed)

  975 19:39:52.405072  constrain_resources: PCI: 00:00.0 05 base 7b000000 limit 7b7fffff mem (fixed)

  976 19:39:52.412963  constrain_resources: PCI: 00:00.0 06 base 7b800000 limit 7fffffff mem (fixed)

  977 19:39:52.420836  constrain_resources: PCI: 00:0d.0 10 base d0000000 limit d0ffffff mem (fixed)

  978 19:39:52.428032  constrain_resources: PCI: 00:0d.1 20 base 00000400 limit 000004ff io (fixed)

  979 19:39:52.435716  constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed)

  980 19:39:52.443018  avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001000 limit 0000ffff

  981 19:39:52.450918  avoid_fixed_resources:@DOMAIN: 0000 10000100 base b0000000 limit cfffffff

  982 19:39:52.452371  Setting resources...

  983 19:39:52.458952  DOMAIN: 0000 io: base:1000 size:60 align:6 gran:0 limit:ffff

  984 19:39:52.462430  PCI: 00:02.0 20 *  [0x1000 - 0x103f] io

  985 19:39:52.467245  PCI: 00:1f.1 20 *  [0x1040 - 0x105f] io

  986 19:39:52.473245  DOMAIN: 0000 io: next_base: 1060 size: 60 align: 6 gran: 0 done

  987 19:39:52.479123  PCI: 00:14.0 io: base:ffff size:0 align:12 gran:12 limit:ffff

  988 19:39:52.485712  PCI: 00:14.0 io: next_base: ffff size: 0 align: 12 gran: 12 done

  989 19:39:52.493028  DOMAIN: 0000 mem: base:b0000000 size:12b39100 align:28 gran:0 limit:cfffffff

  990 19:39:52.498306  PCI: 00:02.0 18 *  [0xb0000000 - 0xbfffffff] prefmem

  991 19:39:52.503237  PCI: 00:02.0 10 *  [0xc0000000 - 0xc0ffffff] mem

  992 19:39:52.507894  PCI: 00:03.0 10 *  [0xc1000000 - 0xc1ffffff] mem

  993 19:39:52.513598  PCI: 00:00.2 18 *  [0xc2000000 - 0xc27fffff] mem

  994 19:39:52.517837  PCI: 00:00.2 10 *  [0xc2800000 - 0xc28fffff] mem

  995 19:39:52.522959  PCI: 00:0e.0 20 *  [0xc2900000 - 0xc29fffff] mem

  996 19:39:52.527622  PCI: 00:14.0 20 *  [0xc2a00000 - 0xc2afffff] mem

  997 19:39:52.533070  PCI: 00:15.0 10 *  [0xc2b00000 - 0xc2b0ffff] mem

  998 19:39:52.536947  PCI: 00:00.1 10 *  [0xc2b10000 - 0xc2b17fff] mem

  999 19:39:52.542259  PCI: 00:0e.0 10 *  [0xc2b18000 - 0xc2b1bfff] mem

 1000 19:39:52.547069  PCI: 00:0d.1 18 *  [0xc2b1c000 - 0xc2b1cfff] mem

 1001 19:39:52.552005  PCI: 00:0d.2 10 *  [0xc2b1d000 - 0xc2b1dfff] mem

 1002 19:39:52.556951  PCI: 00:0f.0 10 *  [0xc2b1e000 - 0xc2b1efff] mem

 1003 19:39:52.561835  PCI: 00:0f.1 10 *  [0xc2b1f000 - 0xc2b1ffff] mem

 1004 19:39:52.566569  PCI: 00:0f.2 10 *  [0xc2b20000 - 0xc2b20fff] mem

 1005 19:39:52.571142  PCI: 00:16.0 10 *  [0xc2b21000 - 0xc2b21fff] mem

 1006 19:39:52.576079  PCI: 00:16.0 18 *  [0xc2b22000 - 0xc2b22fff] mem

 1007 19:39:52.581170  PCI: 00:16.1 10 *  [0xc2b23000 - 0xc2b23fff] mem

 1008 19:39:52.586261  PCI: 00:16.1 18 *  [0xc2b24000 - 0xc2b24fff] mem

 1009 19:39:52.591009  PCI: 00:16.2 10 *  [0xc2b25000 - 0xc2b25fff] mem

 1010 19:39:52.595840  PCI: 00:16.2 18 *  [0xc2b26000 - 0xc2b26fff] mem

 1011 19:39:52.601124  PCI: 00:16.3 10 *  [0xc2b27000 - 0xc2b27fff] mem

 1012 19:39:52.605534  PCI: 00:16.3 18 *  [0xc2b28000 - 0xc2b28fff] mem

 1013 19:39:52.610584  PCI: 00:17.0 10 *  [0xc2b29000 - 0xc2b29fff] mem

 1014 19:39:52.614971  PCI: 00:17.0 18 *  [0xc2b2a000 - 0xc2b2afff] mem

 1015 19:39:52.619915  PCI: 00:17.1 10 *  [0xc2b2b000 - 0xc2b2bfff] mem

 1016 19:39:52.625098  PCI: 00:17.1 18 *  [0xc2b2c000 - 0xc2b2cfff] mem

 1017 19:39:52.630059  PCI: 00:18.0 10 *  [0xc2b2d000 - 0xc2b2dfff] mem

 1018 19:39:52.634681  PCI: 00:18.0 18 *  [0xc2b2e000 - 0xc2b2efff] mem

 1019 19:39:52.640177  PCI: 00:18.1 10 *  [0xc2b2f000 - 0xc2b2ffff] mem

 1020 19:39:52.645146  PCI: 00:18.1 18 *  [0xc2b30000 - 0xc2b30fff] mem

 1021 19:39:52.649286  PCI: 00:18.2 18 *  [0xc2b31000 - 0xc2b31fff] mem

 1022 19:39:52.654070  PCI: 00:19.0 10 *  [0xc2b32000 - 0xc2b32fff] mem

 1023 19:39:52.658904  PCI: 00:19.0 18 *  [0xc2b33000 - 0xc2b33fff] mem

 1024 19:39:52.663896  PCI: 00:1b.0 10 *  [0xc2b34000 - 0xc2b34fff] mem

 1025 19:39:52.669342  PCI: 00:1b.0 18 *  [0xc2b35000 - 0xc2b35fff] mem

 1026 19:39:52.673864  PCI: 00:1c.0 10 *  [0xc2b36000 - 0xc2b36fff] mem

 1027 19:39:52.678477  PCI: 00:1c.0 18 *  [0xc2b37000 - 0xc2b37fff] mem

 1028 19:39:52.683699  PCI: 00:00.2 20 *  [0xc2b38000 - 0xc2b381ff] mem

 1029 19:39:52.689699  PCI: 00:1f.1 10 *  [0xc2b39000 - 0xc2b390ff] mem

 1030 19:39:52.696635  DOMAIN: 0000 mem: next_base: c2b39100 size: 12b39100 align: 28 gran: 0 done

 1031 19:39:52.703230  PCI: 00:14.0 prefmem: base:cfffffff size:0 align:20 gran:20 limit:cfffffff

 1032 19:39:52.711070  PCI: 00:14.0 prefmem: next_base: cfffffff size: 0 align: 20 gran: 20 done

 1033 19:39:52.718347  PCI: 00:14.0 mem: base:c2a00000 size:100000 align:20 gran:20 limit:c2afffff

 1034 19:39:52.723161  PCI: 01:00.0 10 *  [0xc2a00000 - 0xc2a01fff] mem

 1035 19:39:52.730207  PCI: 00:14.0 mem: next_base: c2a02000 size: 100000 align: 20 gran: 20 done

 1036 19:39:52.735007  Root Device assign_resources, bus 0 link: 0

 1037 19:39:52.739431  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1038 19:39:52.747812  PCI: 00:00.1 10 <- [0x00c2b10000 - 0x00c2b17fff] size 0x00008000 gran 0x0f mem64

 1039 19:39:52.755247  PCI: 00:00.2 10 <- [0x00c2800000 - 0x00c28fffff] size 0x00100000 gran 0x14 mem64

 1040 19:39:52.763325  PCI: 00:00.2 18 <- [0x00c2000000 - 0x00c27fffff] size 0x00800000 gran 0x17 mem64

 1041 19:39:52.771164  PCI: 00:00.2 20 <- [0x00c2b38000 - 0x00c2b381ff] size 0x00000200 gran 0x09 mem64

 1042 19:39:52.779227  PCI: 00:02.0 10 <- [0x00c0000000 - 0x00c0ffffff] size 0x01000000 gran 0x18 mem64

 1043 19:39:52.787555  PCI: 00:02.0 18 <- [0x00b0000000 - 0x00bfffffff] size 0x10000000 gran 0x1c prefmem64

 1044 19:39:52.796260  PCI: 00:02.0 20 <- [0x0000001000 - 0x000000103f] size 0x00000040 gran 0x06 io

 1045 19:39:52.803687  PCI: 00:03.0 10 <- [0x00c1000000 - 0x00c1ffffff] size 0x01000000 gran 0x18 mem64

 1046 19:39:52.811643  PCI: 00:0d.1 18 <- [0x00c2b1c000 - 0x00c2b1cfff] size 0x00001000 gran 0x0c mem64

 1047 19:39:52.820028  PCI: 00:0d.1 10 <- [0x00fe042000 - 0x00fe043fff] size 0x00002000 gran 0x00 mem PMC BAR

 1048 19:39:52.828648  PCI: 00:0d.1 20 <- [0x0000000400 - 0x00000004ff] size 0x00000100 gran 0x00 io ACPI BAR

 1049 19:39:52.836490  PCI: 00:0d.2 10 <- [0x00c2b1d000 - 0x00c2b1dfff] size 0x00001000 gran 0x0c mem

 1050 19:39:52.845745  PCI: 00:0d.3 10 <- [0x00fe900000 - 0x00fe901fff] size 0x00002000 gran 0x00 mem SRAM BAR 0

 1051 19:39:52.854489  PCI: 00:0d.3 18 <- [0x00fe902000 - 0x00fe902fff] size 0x00001000 gran 0x00 mem SRAM BAR 2

 1052 19:39:52.862733  PCI: 00:0e.0 10 <- [0x00c2b18000 - 0x00c2b1bfff] size 0x00004000 gran 0x0e mem64

 1053 19:39:52.870741  PCI: 00:0e.0 20 <- [0x00c2900000 - 0x00c29fffff] size 0x00100000 gran 0x14 mem64

 1054 19:39:52.874829  PCI: 00:0e.0 assign_resources, bus 0 link: 0

 1055 19:39:52.879724  PCI: 00:0e.0 assign_resources, bus 0 link: 0

 1056 19:39:52.887777  PCI: 00:0f.0 10 <- [0x00c2b1e000 - 0x00c2b1efff] size 0x00001000 gran 0x0c mem64

 1057 19:39:52.895889  PCI: 00:0f.1 10 <- [0x00c2b1f000 - 0x00c2b1ffff] size 0x00001000 gran 0x0c mem64

 1058 19:39:52.904718  PCI: 00:0f.2 10 <- [0x00c2b20000 - 0x00c2b20fff] size 0x00001000 gran 0x0c mem64

 1059 19:39:52.913090  PCI: 00:14.0 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 01 io

 1060 19:39:52.921668  PCI: 00:14.0 24 <- [0x00cfffffff - 0x00cffffffe] size 0x00000000 gran 0x14 bus 01 prefmem

 1061 19:39:52.930220  PCI: 00:14.0 20 <- [0x00c2a00000 - 0x00c2afffff] size 0x00100000 gran 0x14 bus 01 mem

 1062 19:39:52.934599  PCI: 00:14.0 assign_resources, bus 1 link: 0

 1063 19:39:52.943205  PCI: 01:00.0 10 <- [0x00c2a00000 - 0x00c2a01fff] size 0x00002000 gran 0x0d mem64

 1064 19:39:52.947830  PCI: 00:14.0 assign_resources, bus 1 link: 0

 1065 19:39:52.955840  PCI: 00:15.0 10 <- [0x00c2b00000 - 0x00c2b0ffff] size 0x00010000 gran 0x10 mem64

 1066 19:39:52.965603  PCI: 00:16.0 10 <- [0x00c2b21000 - 0x00c2b21fff] size 0x00001000 gran 0x0c mem64

 1067 19:39:52.972459  PCI: 00:16.0 18 <- [0x00c2b22000 - 0x00c2b22fff] size 0x00001000 gran 0x0c mem64

 1068 19:39:52.976782  PCI: 00:16.0 assign_resources, bus 1 link: 0

 1069 19:39:52.981245  PCI: 00:16.0 assign_resources, bus 1 link: 0

 1070 19:39:52.989750  PCI: 00:16.1 10 <- [0x00c2b23000 - 0x00c2b23fff] size 0x00001000 gran 0x0c mem64

 1071 19:39:52.997506  PCI: 00:16.1 18 <- [0x00c2b24000 - 0x00c2b24fff] size 0x00001000 gran 0x0c mem64

 1072 19:39:53.005787  PCI: 00:16.2 10 <- [0x00c2b25000 - 0x00c2b25fff] size 0x00001000 gran 0x0c mem64

 1073 19:39:53.013952  PCI: 00:16.2 18 <- [0x00c2b26000 - 0x00c2b26fff] size 0x00001000 gran 0x0c mem64

 1074 19:39:53.018232  PCI: 00:16.2 assign_resources, bus 2 link: 0

 1075 19:39:53.022513  PCI: 00:16.2 assign_resources, bus 2 link: 0

 1076 19:39:53.030885  PCI: 00:16.3 10 <- [0x00c2b27000 - 0x00c2b27fff] size 0x00001000 gran 0x0c mem64

 1077 19:39:53.039444  PCI: 00:16.3 18 <- [0x00c2b28000 - 0x00c2b28fff] size 0x00001000 gran 0x0c mem64

 1078 19:39:53.043542  PCI: 00:16.3 assign_resources, bus 3 link: 0

 1079 19:39:53.048168  PCI: 00:16.3 assign_resources, bus 3 link: 0

 1080 19:39:53.056364  PCI: 00:17.0 10 <- [0x00c2b29000 - 0x00c2b29fff] size 0x00001000 gran 0x0c mem64

 1081 19:39:53.064283  PCI: 00:17.0 18 <- [0x00c2b2a000 - 0x00c2b2afff] size 0x00001000 gran 0x0c mem64

 1082 19:39:53.068725  PCI: 00:17.0 assign_resources, bus 4 link: 0

 1083 19:39:53.073499  PCI: 00:17.0 assign_resources, bus 4 link: 0

 1084 19:39:53.081596  PCI: 00:17.1 10 <- [0x00c2b2b000 - 0x00c2b2bfff] size 0x00001000 gran 0x0c mem64

 1085 19:39:53.090008  PCI: 00:17.1 18 <- [0x00c2b2c000 - 0x00c2b2cfff] size 0x00001000 gran 0x0c mem64

 1086 19:39:53.094188  PCI: 00:17.1 assign_resources, bus 5 link: 0

 1087 19:39:53.098651  PCI: 00:17.1 assign_resources, bus 5 link: 0

 1088 19:39:53.107114  PCI: 00:18.0 10 <- [0x00c2b2d000 - 0x00c2b2dfff] size 0x00001000 gran 0x0c mem64

 1089 19:39:53.115068  PCI: 00:18.0 18 <- [0x00c2b2e000 - 0x00c2b2efff] size 0x00001000 gran 0x0c mem64

 1090 19:39:53.123321  PCI: 00:18.1 10 <- [0x00c2b2f000 - 0x00c2b2ffff] size 0x00001000 gran 0x0c mem64

 1091 19:39:53.130961  PCI: 00:18.1 18 <- [0x00c2b30000 - 0x00c2b30fff] size 0x00001000 gran 0x0c mem64

 1092 19:39:53.139241  PCI: 00:18.2 18 <- [0x00c2b31000 - 0x00c2b31fff] size 0x00001000 gran 0x0c mem64

 1093 19:39:53.147719  PCI: 00:19.0 10 <- [0x00c2b32000 - 0x00c2b32fff] size 0x00001000 gran 0x0c mem64

 1094 19:39:53.155768  PCI: 00:19.0 18 <- [0x00c2b33000 - 0x00c2b33fff] size 0x00001000 gran 0x0c mem64

 1095 19:39:53.164206  PCI: 00:1b.0 10 <- [0x00c2b34000 - 0x00c2b34fff] size 0x00001000 gran 0x0c mem64

 1096 19:39:53.171700  PCI: 00:1b.0 18 <- [0x00c2b35000 - 0x00c2b35fff] size 0x00001000 gran 0x0c mem64

 1097 19:39:53.181490  PCI: 00:1c.0 10 <- [0x00c2b36000 - 0x00c2b36fff] size 0x00001000 gran 0x0c mem64

 1098 19:39:53.188016  PCI: 00:1c.0 18 <- [0x00c2b37000 - 0x00c2b37fff] size 0x00001000 gran 0x0c mem64

 1099 19:39:53.192699  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1100 19:39:53.196118  PNP: 0c09.0 missing set_resources

 1101 19:39:53.200821  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1102 19:39:53.205734  LPC: Trying to open IO window from 800 size 1ff

 1103 19:39:53.210343  LPC: Opened IO window LGIR3: base 800 size 100

 1104 19:39:53.214898  LPC: Cannot open IO window: 900 size ff

 1105 19:39:53.216109  No more IO windows

 1106 19:39:53.224280  PCI: 00:1f.1 10 <- [0x00c2b39000 - 0x00c2b390ff] size 0x00000100 gran 0x08 mem64

 1107 19:39:53.232568  PCI: 00:1f.1 20 <- [0x0000001040 - 0x000000105f] size 0x00000020 gran 0x05 io

 1108 19:39:53.236524  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1109 19:39:53.241488  Root Device assign_resources, bus 0 link: 0

 1110 19:39:53.243490  Done setting resources.

 1111 19:39:53.250444  Show resources in subtree (Root Device)...After assigning values.

 1112 19:39:53.255369   Root Device child on link 0 CPU_CLUSTER: 0

 1113 19:39:53.259066    CPU_CLUSTER: 0 child on link 0 APIC: 00

 1114 19:39:53.260088     APIC: 00

 1115 19:39:53.264415    DOMAIN: 0000 child on link 0 PCI: 00:00.0

 1116 19:39:53.273986    DOMAIN: 0000 resource base 1000 size 60 align 6 gran 0 limit ffff flags 40040100 index 10000000

 1117 19:39:53.285621    DOMAIN: 0000 resource base b0000000 size 12b39100 align 28 gran 0 limit cfffffff flags 40040200 index 10000100

 1118 19:39:53.287089     PCI: 00:00.0

 1119 19:39:53.296957     PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0

 1120 19:39:53.306289     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

 1121 19:39:53.314995     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2

 1122 19:39:53.324158     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3

 1123 19:39:53.334137     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5

 1124 19:39:53.343571     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6

 1125 19:39:53.355731     PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7

 1126 19:39:53.362440     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8

 1127 19:39:53.371925     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9

 1128 19:39:53.381435     PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a

 1129 19:39:53.391490     PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

 1130 19:39:53.400147     PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c

 1131 19:39:53.410021     PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d

 1132 19:39:53.420032     PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e

 1133 19:39:53.428973     PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f

 1134 19:39:53.439211     PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10

 1135 19:39:53.447953     PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11

 1136 19:39:53.450122     PCI: 00:00.1

 1137 19:39:53.459807     PCI: 00:00.1 resource base c2b10000 size 8000 align 15 gran 15 limit c2b17fff flags 60000201 index 10

 1138 19:39:53.461721     PCI: 00:00.2

 1139 19:39:53.472744     PCI: 00:00.2 resource base c2800000 size 100000 align 20 gran 20 limit c28fffff flags 60000201 index 10

 1140 19:39:53.483235     PCI: 00:00.2 resource base c2000000 size 800000 align 23 gran 23 limit c27fffff flags 60000201 index 18

 1141 19:39:53.493021     PCI: 00:00.2 resource base c2b38000 size 200 align 12 gran 9 limit c2b381ff flags 60000201 index 20

 1142 19:39:53.494358     PCI: 00:02.0

 1143 19:39:53.505090     PCI: 00:02.0 resource base c0000000 size 1000000 align 24 gran 24 limit c0ffffff flags 60000201 index 10

 1144 19:39:53.515681     PCI: 00:02.0 resource base b0000000 size 10000000 align 28 gran 28 limit bfffffff flags 60001201 index 18

 1145 19:39:53.524739     PCI: 00:02.0 resource base 1000 size 40 align 6 gran 6 limit 103f flags 60000100 index 20

 1146 19:39:53.526656     PCI: 00:03.0

 1147 19:39:53.537440     PCI: 00:03.0 resource base c1000000 size 1000000 align 24 gran 24 limit c1ffffff flags 60000201 index 10

 1148 19:39:53.539347     PCI: 00:0d.0

 1149 19:39:53.548794     PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10

 1150 19:39:53.550739     PCI: 00:0d.1

 1151 19:39:53.560323     PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10

 1152 19:39:53.570151     PCI: 00:0d.1 resource base c2b1c000 size 1000 align 12 gran 12 limit c2b1cfff flags 60000201 index 18

 1153 19:39:53.578920     PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags e0000100 index 20

 1154 19:39:53.580799     PCI: 00:0d.2

 1155 19:39:53.590948     PCI: 00:0d.2 resource base c2b1d000 size 1000 align 12 gran 12 limit c2b1dfff flags 60000200 index 10

 1156 19:39:53.592727     PCI: 00:0d.3

 1157 19:39:53.601921     PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10

 1158 19:39:53.611492     PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 18

 1159 19:39:53.615965     PCI: 00:0e.0 child on link 0 GENERIC: 0.0

 1160 19:39:53.626202     PCI: 00:0e.0 resource base c2b18000 size 4000 align 14 gran 14 limit c2b1bfff flags 60000201 index 10

 1161 19:39:53.636860     PCI: 00:0e.0 resource base c2900000 size 100000 align 20 gran 20 limit c29fffff flags 60000201 index 20

 1162 19:39:53.638262      GENERIC: 0.0

 1163 19:39:53.640028     PCI: 00:0f.0

 1164 19:39:53.650773     PCI: 00:0f.0 resource base c2b1e000 size 1000 align 12 gran 12 limit c2b1efff flags 60000201 index 10

 1165 19:39:53.652536     PCI: 00:0f.1

 1166 19:39:53.662892     PCI: 00:0f.1 resource base c2b1f000 size 1000 align 12 gran 12 limit c2b1ffff flags 60000201 index 10

 1167 19:39:53.664326     PCI: 00:0f.2

 1168 19:39:53.675349     PCI: 00:0f.2 resource base c2b20000 size 1000 align 12 gran 12 limit c2b20fff flags 60000201 index 10

 1169 19:39:53.676102     PCI: 00:11.0

 1170 19:39:53.677787     PCI: 00:12.0

 1171 19:39:53.679804     PCI: 00:13.0

 1172 19:39:53.681759     PCI: 00:13.1

 1173 19:39:53.683125     PCI: 00:13.2

 1174 19:39:53.684946     PCI: 00:13.3

 1175 19:39:53.688996     PCI: 00:14.0 child on link 0 PCI: 01:00.0

 1176 19:39:53.698211     PCI: 00:14.0 resource base ffff size 0 align 12 gran 12 limit ffff flags 60080102 index 1c

 1177 19:39:53.708768     PCI: 00:14.0 resource base cfffffff size 0 align 20 gran 20 limit cfffffff flags 60081202 index 24

 1178 19:39:53.718850     PCI: 00:14.0 resource base c2a00000 size 100000 align 20 gran 20 limit c2afffff flags 60080202 index 20

 1179 19:39:53.720565      PCI: 01:00.0

 1180 19:39:53.731766      PCI: 01:00.0 resource base c2a00000 size 2000 align 13 gran 13 limit c2a01fff flags 60000201 index 10

 1181 19:39:53.733126     PCI: 00:14.1

 1182 19:39:53.735000     PCI: 00:15.0

 1183 19:39:53.744776     PCI: 00:15.0 resource base c2b00000 size 10000 align 16 gran 16 limit c2b0ffff flags 60000201 index 10

 1184 19:39:53.747206     PCI: 00:15.1

 1185 19:39:53.750763     PCI: 00:16.0 child on link 0 I2C: 01:1a

 1186 19:39:53.760912     PCI: 00:16.0 resource base c2b21000 size 1000 align 12 gran 12 limit c2b21fff flags 60000201 index 10

 1187 19:39:53.771517     PCI: 00:16.0 resource base c2b22000 size 1000 align 12 gran 12 limit c2b22fff flags 60000201 index 18

 1188 19:39:53.772658      I2C: 01:1a

 1189 19:39:53.774670     PCI: 00:16.1

 1190 19:39:53.785116     PCI: 00:16.1 resource base c2b23000 size 1000 align 12 gran 12 limit c2b23fff flags 60000201 index 10

 1191 19:39:53.794933     PCI: 00:16.1 resource base c2b24000 size 1000 align 12 gran 12 limit c2b24fff flags 60000201 index 18

 1192 19:39:53.800383     PCI: 00:16.2 child on link 0 I2C: 02:50

 1193 19:39:53.810562     PCI: 00:16.2 resource base c2b25000 size 1000 align 12 gran 12 limit c2b25fff flags 60000201 index 10

 1194 19:39:53.820146     PCI: 00:16.2 resource base c2b26000 size 1000 align 12 gran 12 limit c2b26fff flags 60000201 index 18

 1195 19:39:53.821839      I2C: 02:50

 1196 19:39:53.826000     PCI: 00:16.3 child on link 0 I2C: 03:10

 1197 19:39:53.836349     PCI: 00:16.3 resource base c2b27000 size 1000 align 12 gran 12 limit c2b27fff flags 60000201 index 10

 1198 19:39:53.846743     PCI: 00:16.3 resource base c2b28000 size 1000 align 12 gran 12 limit c2b28fff flags 60000201 index 18

 1199 19:39:53.848096      I2C: 03:10

 1200 19:39:53.850224      I2C: 03:39

 1201 19:39:53.854340     PCI: 00:17.0 child on link 0 I2C: 04:15

 1202 19:39:53.864575     PCI: 00:17.0 resource base c2b29000 size 1000 align 12 gran 12 limit c2b29fff flags 60000201 index 10

 1203 19:39:53.874820     PCI: 00:17.0 resource base c2b2a000 size 1000 align 12 gran 12 limit c2b2afff flags 60000201 index 18

 1204 19:39:53.876300      I2C: 04:15

 1205 19:39:53.878199      I2C: 04:2c

 1206 19:39:53.882392     PCI: 00:17.1 child on link 0 I2C: 05:09

 1207 19:39:53.892649     PCI: 00:17.1 resource base c2b2b000 size 1000 align 12 gran 12 limit c2b2bfff flags 60000201 index 10

 1208 19:39:53.902847     PCI: 00:17.1 resource base c2b2c000 size 1000 align 12 gran 12 limit c2b2cfff flags 60000201 index 18

 1209 19:39:53.904529      I2C: 05:09

 1210 19:39:53.906786     PCI: 00:17.2

 1211 19:39:53.907595     PCI: 00:17.3

 1212 19:39:53.909183     PCI: 00:18.0

 1213 19:39:53.920686     PCI: 00:18.0 resource base c2b2d000 size 1000 align 12 gran 12 limit c2b2dfff flags 60000201 index 10

 1214 19:39:53.930014     PCI: 00:18.0 resource base c2b2e000 size 1000 align 12 gran 12 limit c2b2efff flags 60000201 index 18

 1215 19:39:53.931849     PCI: 00:18.1

 1216 19:39:53.942449     PCI: 00:18.1 resource base c2b2f000 size 1000 align 12 gran 12 limit c2b2ffff flags 60000201 index 10

 1217 19:39:53.952382     PCI: 00:18.1 resource base c2b30000 size 1000 align 12 gran 12 limit c2b30fff flags 60000201 index 18

 1218 19:39:53.954272     PCI: 00:18.2

 1219 19:39:53.963667     PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10

 1220 19:39:53.974016     PCI: 00:18.2 resource base c2b31000 size 1000 align 12 gran 12 limit c2b31fff flags 60000201 index 18

 1221 19:39:53.975411     PCI: 00:18.3

 1222 19:39:53.977326     PCI: 00:19.0

 1223 19:39:53.987488     PCI: 00:19.0 resource base c2b32000 size 1000 align 12 gran 12 limit c2b32fff flags 60000201 index 10

 1224 19:39:53.998126     PCI: 00:19.0 resource base c2b33000 size 1000 align 12 gran 12 limit c2b33fff flags 60000201 index 18

 1225 19:39:53.999458     PCI: 00:19.1

 1226 19:39:54.001005     PCI: 00:19.2

 1227 19:39:54.003228     PCI: 00:1a.0

 1228 19:39:54.005476     PCI: 00:1b.0

 1229 19:39:54.014999     PCI: 00:1b.0 resource base c2b34000 size 1000 align 12 gran 12 limit c2b34fff flags 60000201 index 10

 1230 19:39:54.025591     PCI: 00:1b.0 resource base c2b35000 size 1000 align 12 gran 12 limit c2b35fff flags 60000201 index 18

 1231 19:39:54.026668     PCI: 00:1c.0

 1232 19:39:54.036938     PCI: 00:1c.0 resource base c2b36000 size 1000 align 12 gran 12 limit c2b36fff flags 60000201 index 10

 1233 19:39:54.047838     PCI: 00:1c.0 resource base c2b37000 size 1000 align 12 gran 12 limit c2b37fff flags 60000201 index 18

 1234 19:39:54.049023     PCI: 00:1e.0

 1235 19:39:54.053761     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

 1236 19:39:54.062482     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

 1237 19:39:54.063870      PNP: 0c09.0

 1238 19:39:54.072514      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1239 19:39:54.074392     PCI: 00:1f.1

 1240 19:39:54.084957     PCI: 00:1f.1 resource base c2b39000 size 100 align 12 gran 8 limit c2b390ff flags 60000201 index 10

 1241 19:39:54.093770     PCI: 00:1f.1 resource base 1040 size 20 align 5 gran 5 limit 105f flags 60000100 index 20

 1242 19:39:54.096163  Done allocating resources.

 1243 19:39:54.101952  BS: BS_DEV_RESOURCES times (us): entry 0 run 2951325 exit 0

 1244 19:39:54.104621  Enabling resources...

 1245 19:39:54.107486  PCI: 00:00.0 cmd <- 07

 1246 19:39:54.111614  PCI: 00:00.1 subsystem <- 8086/5a8c

 1247 19:39:54.113708  PCI: 00:00.1 cmd <- 02

 1248 19:39:54.117699  PCI: 00:00.2 subsystem <- 8086/5a8e

 1249 19:39:54.120174  PCI: 00:00.2 cmd <- 06

 1250 19:39:54.122265  PCI: 00:02.0 cmd <- 03

 1251 19:39:54.126340  PCI: 00:03.0 subsystem <- 8086/5a88

 1252 19:39:54.128397  PCI: 00:03.0 cmd <- 02

 1253 19:39:54.130922  PCI: 00:0d.1 cmd <- 07

 1254 19:39:54.135488  PCI: 00:0d.2 subsystem <- 8086/5a96

 1255 19:39:54.137220  PCI: 00:0d.2 cmd <- 406

 1256 19:39:54.139781  PCI: 00:0d.3 cmd <- 06

 1257 19:39:54.142207  PCI: 00:0e.0 cmd <- 02

 1258 19:39:54.144912  PCI: 00:0f.0 cmd <- 06

 1259 19:39:54.147565  PCI: 00:0f.1 cmd <- 06

 1260 19:39:54.149998  PCI: 00:0f.2 cmd <- 06

 1261 19:39:54.154312  PCI: 00:14.0 bridge ctrl <- 0003

 1262 19:39:54.155882  PCI: 00:14.0 cmd <- 06

 1263 19:39:54.158245  PCI: 00:15.0 cmd <- 02

 1264 19:39:54.160748  PCI: 00:16.0 cmd <- 02

 1265 19:39:54.163397  PCI: 00:16.1 cmd <- 02

 1266 19:39:54.165977  PCI: 00:16.2 cmd <- 06

 1267 19:39:54.168588  PCI: 00:16.3 cmd <- 02

 1268 19:39:54.171071  PCI: 00:17.0 cmd <- 02

 1269 19:39:54.173728  PCI: 00:17.1 cmd <- 02

 1270 19:39:54.176176  PCI: 00:18.0 cmd <- 02

 1271 19:39:54.178743  PCI: 00:18.1 cmd <- 02

 1272 19:39:54.181074  PCI: 00:18.2 cmd <- 06

 1273 19:39:54.185363  PCI: 00:19.0 subsystem <- 8086/5ac2

 1274 19:39:54.187222  PCI: 00:19.0 cmd <- 02

 1275 19:39:54.189894  PCI: 00:1b.0 cmd <- 06

 1276 19:39:54.193874  PCI: 00:1c.0 subsystem <- 8086/5acc

 1277 19:39:54.195787  PCI: 00:1c.0 cmd <- 06

 1278 19:39:54.199012  PCI: 00:1f.0 cmd <- 07

 1279 19:39:54.202507  PCI: 00:1f.1 subsystem <- 8086/5ad4

 1280 19:39:54.204343  PCI: 00:1f.1 cmd <- 03

 1281 19:39:54.209030  PCI: 01:00.0 subsystem <- 8086/095a

 1282 19:39:54.211247  PCI: 01:00.0 cmd <- 02

 1283 19:39:54.215275  done.

 1284 19:39:54.221127  BS: BS_DEV_ENABLE times (us): entry 166 run 112441 exit 0

 1285 19:39:54.226282  FMAP: area FPF_STATUS found @ 42f000 (4096 bytes)

 1286 19:39:54.228484  Initializing devices...

 1287 19:39:54.231618  Root Device init ...

 1288 19:39:54.234905  Root Device init finished in 2138 usecs

 1289 19:39:54.237501  CPU_CLUSTER: 0 init ...

 1290 19:39:54.241048  MTRR: Physical address space:

 1291 19:39:54.247349  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1292 19:39:54.253722  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1293 19:39:54.260366  0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6

 1294 19:39:54.265603  0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0

 1295 19:39:54.272050  0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1

 1296 19:39:54.277953  0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0

 1297 19:39:54.284504  0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6

 1298 19:39:54.288752  MTRR: Fixed MSR 0x250 0x0606060606060606

 1299 19:39:54.292874  MTRR: Fixed MSR 0x258 0x0606060606060606

 1300 19:39:54.296507  MTRR: Fixed MSR 0x259 0x0000000000000000

 1301 19:39:54.300836  MTRR: Fixed MSR 0x268 0x0606060606060606

 1302 19:39:54.304895  MTRR: Fixed MSR 0x269 0x0606060606060606

 1303 19:39:54.309132  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1304 19:39:54.313225  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1305 19:39:54.317133  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1306 19:39:54.320947  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1307 19:39:54.326010  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1308 19:39:54.329293  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1309 19:39:54.331979  call enable_fixed_mtrr()

 1310 19:39:54.335907  CPU physical address size: 39 bits

 1311 19:39:54.340009  MTRR: default type WB/UC MTRR counts: 6/8.

 1312 19:39:54.343638  MTRR: WB selected as default type.

 1313 19:39:54.349515  MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0

 1314 19:39:54.355826  MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0

 1315 19:39:54.362229  MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0

 1316 19:39:54.368456  MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0

 1317 19:39:54.374781  MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1

 1318 19:39:54.380938  MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0

 1319 19:39:54.381314  

 1320 19:39:54.382775  MTRR check

 1321 19:39:54.384657  Fixed MTRRs   : Enabled

 1322 19:39:54.387857  Variable MTRRs: Enabled

 1323 19:39:54.387940  

 1324 19:39:54.390636  Detected 4 core, 4 thread CPU.

 1325 19:39:54.393211  Will perform SMM setup.

 1326 19:39:54.398110  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1327 19:39:54.401636  CBFS @ 205000 size 17b000

 1328 19:39:54.406130  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1329 19:39:54.411050  CBFS: Locating 'cpu_microcode_blob.bin'

 1330 19:39:54.414401  CBFS: Found @ offset 11d40 size 4000

 1331 19:39:54.418232  microcode: sig=0x506c9 pf=0x1 revision=0x2c

 1332 19:39:54.423453  CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz.

 1333 19:39:54.430774  Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130

 1334 19:39:54.435649  Processing 16 relocs. Offset value of 0x00030000

 1335 19:39:54.438737  Attempting to start 3 APs

 1336 19:39:54.442154  Waiting for 10ms after sending INIT.

 1337 19:39:54.455965  Waiting for 1st SIPI to complete...done.

 1338 19:39:54.458663  AP: slot 2 apic_id 4.

 1339 19:39:54.462679  Waiting for 2nd SIPI to complete...done.

 1340 19:39:54.465164  AP: slot 1 apic_id 6.

 1341 19:39:54.467581  AP: slot 3 apic_id 2.

 1342 19:39:54.475599  Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8

 1343 19:39:54.479786  Processing 12 relocs. Offset value of 0x00038000

 1344 19:39:54.486557  SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000)

 1345 19:39:54.489968  Installing SMM handler to 0x7b000000

 1346 19:39:54.498463  Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630

 1347 19:39:54.503987  Processing 229 relocs. Offset value of 0x7b010000

 1348 19:39:54.510799  Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8

 1349 19:39:54.516092  Processing 12 relocs. Offset value of 0x7b008000

 1350 19:39:54.521871  SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd

 1351 19:39:54.527429  SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd

 1352 19:39:54.532827  SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd

 1353 19:39:54.539146  SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000)

 1354 19:39:54.542405  Clearing SMI status registers

 1355 19:39:54.544842  New SMBASE 0x7afff400

 1356 19:39:54.547866  Relocation complete.

 1357 19:39:54.549303  New SMBASE 0x7afff800

 1358 19:39:54.551450  Relocation complete.

 1359 19:39:54.554581  New SMBASE 0x7afffc00

 1360 19:39:54.556122  Relocation complete.

 1361 19:39:54.558481  New SMBASE 0x7b000000

 1362 19:39:54.560556  Relocation complete.

 1363 19:39:54.562141  Initializing CPU #0

 1364 19:39:54.566412  CPU: vendor Intel device 506c9

 1365 19:39:54.569643  CPU: family 06, model 5c, stepping 09

 1366 19:39:54.572519  CPU #0 initialized

 1367 19:39:54.573553  Initializing CPU #3

 1368 19:39:54.575506  Initializing CPU #2

 1369 19:39:54.578985  CPU: vendor Intel device 506c9

 1370 19:39:54.582547  CPU: family 06, model 5c, stepping 09

 1371 19:39:54.584866  Initializing CPU #1

 1372 19:39:54.587129  CPU #3 initialized

 1373 19:39:54.590558  CPU: vendor Intel device 506c9

 1374 19:39:54.593747  CPU: family 06, model 5c, stepping 09

 1375 19:39:54.596600  CPU: vendor Intel device 506c9

 1376 19:39:54.600318  CPU: family 06, model 5c, stepping 09

 1377 19:39:54.602568  CPU #2 initialized

 1378 19:39:54.604593  CPU #1 initialized

 1379 19:39:54.606238  Enabling SMIs.

 1380 19:39:54.609999  MTRR: TEMPORARY Physical address space:

 1381 19:39:54.616265  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1382 19:39:54.622649  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1383 19:39:54.628842  0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6

 1384 19:39:54.634925  0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0

 1385 19:39:54.641482  0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5

 1386 19:39:54.647405  0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6

 1387 19:39:54.653117  MTRR: default type WB/UC MTRR counts: 10/8.

 1388 19:39:54.655544  MTRR: UC selected as default type.

 1389 19:39:54.662012  MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6

 1390 19:39:54.667802  MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6

 1391 19:39:54.674600  MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6

 1392 19:39:54.680420  MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6

 1393 19:39:54.686861  MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6

 1394 19:39:54.693101  MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0

 1395 19:39:54.698745  MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5

 1396 19:39:54.704991  MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6

 1397 19:39:54.709807  CPU_CLUSTER: 0 init finished in 467923 usecs

 1398 19:39:54.713632  PCI: 00:00.0 init ...

 1399 19:39:54.717812  PCI: 00:00.0 init finished in 2225 usecs

 1400 19:39:54.721369  PCI: 00:00.1 init ...

 1401 19:39:54.724042  PCI: 00:00.1 init finished in 2235 usecs

 1402 19:39:54.726829  PCI: 00:00.2 init ...

 1403 19:39:54.730850  PCI: 00:00.2 init finished in 2234 usecs

 1404 19:39:54.733914  PCI: 00:02.0 init ...

 1405 19:39:54.737642  PCI: 00:02.0 init finished in 2235 usecs

 1406 19:39:54.740028  PCI: 00:03.0 init ...

 1407 19:39:54.744087  PCI: 00:03.0 init finished in 2232 usecs

 1408 19:39:54.747246  PCI: 00:0d.1 init ...

 1409 19:39:54.751579  gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000

 1410 19:39:54.755342  gpe0_sts[1]: 0ead33f7 gpe0_en[1]: 00000000

 1411 19:39:54.759894  gpe0_sts[2]: 3ffd0024 gpe0_en[2]: 00000000

 1412 19:39:54.764447  gpe0_sts[3]: 800ec00e gpe0_en[3]: 00000000

 1413 19:39:54.771958  Disabling ACPI via APMC:Done.

 1414 19:39:54.772520  SLP S3 assertion width: 50000 usecs

 1415 19:39:54.776189  PCI: 00:0d.1 init finished in 27362 usecs

 1416 19:39:54.778843  PCI: 00:0d.2 init ...

 1417 19:39:54.783370  PCI: 00:0d.2 init finished in 2231 usecs

 1418 19:39:54.786185  PCI: 00:0f.0 init ...

 1419 19:39:54.789965  PCI: 00:0f.0 init finished in 2236 usecs

 1420 19:39:54.792910  PCI: 00:0f.1 init ...

 1421 19:39:54.796597  PCI: 00:0f.1 init finished in 2232 usecs

 1422 19:39:54.799803  PCI: 00:0f.2 init ...

 1423 19:39:54.803165  PCI: 00:0f.2 init finished in 2231 usecs

 1424 19:39:54.807991  PCI: 00:15.0 init ...

 1425 19:39:54.811483  PCI: 00:15.0 init finished in 2236 usecs

 1426 19:39:54.815324  PCI: 00:16.0 init ...

 1427 19:39:54.818562  LPSS I2C bus 0 at 0xc2b21000 (400 KHz)

 1428 19:39:54.822361  PCI: 00:16.0 init finished in 6115 usecs

 1429 19:39:54.824930  PCI: 00:16.1 init ...

 1430 19:39:54.828835  LPSS I2C bus 1 at 0xc2b23000 (400 KHz)

 1431 19:39:54.832988  PCI: 00:16.1 init finished in 6116 usecs

 1432 19:39:54.835342  PCI: 00:16.2 init ...

 1433 19:39:54.839838  LPSS I2C bus 2 at 0xc2b25000 (400 KHz)

 1434 19:39:54.843457  PCI: 00:16.2 init finished in 6113 usecs

 1435 19:39:54.845868  PCI: 00:16.3 init ...

 1436 19:39:54.849794  LPSS I2C bus 3 at 0xc2b27000 (400 KHz)

 1437 19:39:54.853865  PCI: 00:16.3 init finished in 6116 usecs

 1438 19:39:54.856634  PCI: 00:17.0 init ...

 1439 19:39:54.860629  LPSS I2C bus 4 at 0xc2b29000 (400 KHz)

 1440 19:39:54.864387  PCI: 00:17.0 init finished in 6115 usecs

 1441 19:39:54.867248  PCI: 00:17.1 init ...

 1442 19:39:54.870833  LPSS I2C bus 5 at 0xc2b2b000 (400 KHz)

 1443 19:39:54.874930  PCI: 00:17.1 init finished in 6114 usecs

 1444 19:39:54.879007  PCI: 00:19.0 init ...

 1445 19:39:54.883051  PCI: 00:19.0 init finished in 2233 usecs

 1446 19:39:54.887356  PCI: 00:1c.0 init ...

 1447 19:39:54.890722  PCI: 00:1c.0 init finished in 2232 usecs

 1448 19:39:54.893261  PCI: 00:1f.0 init ...

 1449 19:39:54.894680  RTC Init

 1450 19:39:54.898616  PCI: 00:1f.0 init finished in 3552 usecs

 1451 19:39:54.901554  PCI: 00:1f.1 init ...

 1452 19:39:54.905103  PCI: 00:1f.1 init finished in 2233 usecs

 1453 19:39:54.907982  PCI: 01:00.0 init ...

 1454 19:39:54.912488  PCI: 01:00.0 init finished in 2344 usecs

 1455 19:39:54.916142  PNP: 0c09.0 init ...

 1456 19:39:54.918443  Keyboard init...

 1457 19:39:54.935118  PS/2 keyboard initialized on primary channel

 1458 19:39:54.939203  Google Chrome EC: Initializing keyboard.

 1459 19:39:54.944636  Google Chrome EC: Hello got back 11223344 status (0)

 1460 19:39:54.947852  Google Chrome EC: version:

 1461 19:39:54.951443      ro: coral_v1.1.7292-04956f5df

 1462 19:39:54.954929      rw: coral_v1.1.7292-04956f5df

 1463 19:39:54.956954    running image: 1

 1464 19:39:54.960612  PNP: 0c09.0 init finished in 42171 usecs

 1465 19:39:54.963348  Devices initialized

 1466 19:39:54.965704  Show all devs... After init.

 1467 19:39:54.968234  Root Device: enabled 1

 1468 19:39:54.971095  CPU_CLUSTER: 0: enabled 1

 1469 19:39:54.973058  APIC: 00: enabled 1

 1470 19:39:54.975492  DOMAIN: 0000: enabled 1

 1471 19:39:54.977937  PCI: 00:00.0: enabled 1

 1472 19:39:54.980710  PCI: 00:00.1: enabled 1

 1473 19:39:54.982510  PCI: 00:00.2: enabled 1

 1474 19:39:54.985505  PCI: 00:02.0: enabled 1

 1475 19:39:54.987874  PCI: 00:03.0: enabled 1

 1476 19:39:54.990114  PCI: 00:0d.0: enabled 1

 1477 19:39:54.993255  PCI: 00:0d.1: enabled 1

 1478 19:39:54.994787  PCI: 00:0d.2: enabled 1

 1479 19:39:54.997414  PCI: 00:0d.3: enabled 1

 1480 19:39:55.000113  PCI: 00:0e.0: enabled 1

 1481 19:39:55.002273  GENERIC: 0.0: enabled 1

 1482 19:39:55.005106  PCI: 00:11.0: enabled 0

 1483 19:39:55.007429  PCI: 00:12.0: enabled 0

 1484 19:39:55.009735  PCI: 00:13.0: enabled 0

 1485 19:39:55.012213  PCI: 00:13.1: enabled 0

 1486 19:39:55.014581  PCI: 00:13.2: enabled 0

 1487 19:39:55.017115  PCI: 00:13.3: enabled 0

 1488 19:39:55.019655  PCI: 00:14.0: enabled 1

 1489 19:39:55.021969  PCI: 01:00.0: enabled 1

 1490 19:39:55.024426  PCI: 00:14.1: enabled 0

 1491 19:39:55.026907  PCI: 00:15.0: enabled 1

 1492 19:39:55.029288  PCI: 00:15.1: enabled 0

 1493 19:39:55.031518  PCI: 00:16.0: enabled 1

 1494 19:39:55.033970  I2C: 01:1a: enabled 1

 1495 19:39:55.035884  PCI: 00:16.1: enabled 1

 1496 19:39:55.038875  PCI: 00:16.2: enabled 1

 1497 19:39:55.041347  I2C: 02:50: enabled 1

 1498 19:39:55.043351  PCI: 00:16.3: enabled 1

 1499 19:39:55.045862  I2C: 03:10: enabled 1

 1500 19:39:55.048239  I2C: 03:39: enabled 1

 1501 19:39:55.050317  PCI: 00:17.0: enabled 1

 1502 19:39:55.052546  I2C: 04:15: enabled 1

 1503 19:39:55.055049  I2C: 04:2c: enabled 1

 1504 19:39:55.057141  PCI: 00:17.1: enabled 1

 1505 19:39:55.059568  I2C: 05:09: enabled 1

 1506 19:39:55.062575  PCI: 00:17.2: enabled 0

 1507 19:39:55.065673  PCI: 00:17.3: enabled 0

 1508 19:39:55.066838  PCI: 00:18.0: enabled 1

 1509 19:39:55.069723  PCI: 00:18.1: enabled 1

 1510 19:39:55.071654  PCI: 00:18.2: enabled 1

 1511 19:39:55.074460  PCI: 00:18.3: enabled 0

 1512 19:39:55.076566  PCI: 00:19.0: enabled 1

 1513 19:39:55.079195  PCI: 00:19.1: enabled 0

 1514 19:39:55.081799  PCI: 00:19.2: enabled 0

 1515 19:39:55.084142  PCI: 00:1a.0: enabled 0

 1516 19:39:55.086572  PCI: 00:1b.0: enabled 1

 1517 19:39:55.089008  PCI: 00:1c.0: enabled 1

 1518 19:39:55.091122  PCI: 00:1e.0: enabled 0

 1519 19:39:55.094061  PCI: 00:1f.0: enabled 1

 1520 19:39:55.096232  PNP: 0c09.0: enabled 1

 1521 19:39:55.098551  PCI: 00:1f.1: enabled 1

 1522 19:39:55.100889  PCI: 00:0f.0: enabled 1

 1523 19:39:55.103213  PCI: 00:0f.1: enabled 1

 1524 19:39:55.105640  PCI: 00:0f.2: enabled 1

 1525 19:39:55.107751  APIC: 06: enabled 1

 1526 19:39:55.109596  APIC: 04: enabled 1

 1527 19:39:55.112007  APIC: 02: enabled 1

 1528 19:39:55.118513  BS: BS_DEV_INIT times (us): entry 4985 run 881059 exit 885

 1529 19:39:55.125511  ELOG: Event(A1) added with size 10 at 2024-01-05 19:39:54 UTC

 1530 19:39:55.133112  elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b

 1531 19:39:55.139386  ELOG: Event(A0) added with size 9 at 2024-01-05 19:39:54 UTC

 1532 19:39:55.143725  elog_add_boot_reason: Logged dev mode boot

 1533 19:39:55.147236  Finalize devices...

 1534 19:39:55.147494  Devices finalized

 1535 19:39:55.152583  FMAP: area RW_NVRAM found @ 42a000 (20480 bytes)

 1536 19:39:55.159546  BS: BS_POST_DEVICE times (us): entry 24981 run 3942 exit 5268

 1537 19:39:55.164768  BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0

 1538 19:39:55.170176  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1539 19:39:55.172507  CBFS @ 205000 size 17b000

 1540 19:39:55.178356  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1541 19:39:55.181345  CBFS: Locating 'fallback/dsdt.aml'

 1542 19:39:55.185547  CBFS: Found @ offset b7600 size 2e40

 1543 19:39:55.190362  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1544 19:39:55.193394  CBFS @ 205000 size 17b000

 1545 19:39:55.198329  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1546 19:39:55.201155  CBFS: Locating 'fallback/slic'

 1547 19:39:55.204956  CBFS: 'fallback/slic' not found.

 1548 19:39:55.208673  ACPI: Writing ACPI tables at 7ab10000.

 1549 19:39:55.210815  ACPI:    * FACS

 1550 19:39:55.212422  ACPI:    * DSDT

 1551 19:39:55.215771  Ramoops buffer: 0x100000@0x7aa10000.

 1552 19:39:55.219053  ACPI:    * FADT

 1553 19:39:55.219764  SCI is IRQ9

 1554 19:39:55.224583  ACPI: added table 1/32, length now 40

 1555 19:39:55.225442  ACPI:     * SSDT

 1556 19:39:55.228940  Found 1 CPU(s) with 4 core(s) each.

 1557 19:39:55.232366  Turbo is available and visible

 1558 19:39:55.237507  PSS: 1101MHz power 6000 control 0x1900 status 0x1900

 1559 19:39:55.242788  PSS: 1100MHz power 6000 control 0xb00 status 0xb00

 1560 19:39:55.247937  PSS: 1000MHz power 5388 control 0xa00 status 0xa00

 1561 19:39:55.252898  PSS: 800MHz power 4213 control 0x800 status 0x800

 1562 19:39:55.257708  PSS: 1101MHz power 6000 control 0x1900 status 0x1900

 1563 19:39:55.263548  PSS: 1100MHz power 6000 control 0xb00 status 0xb00

 1564 19:39:55.268284  PSS: 1000MHz power 5388 control 0xa00 status 0xa00

 1565 19:39:55.273137  PSS: 800MHz power 4213 control 0x800 status 0x800

 1566 19:39:55.278599  PSS: 1101MHz power 6000 control 0x1900 status 0x1900

 1567 19:39:55.283731  PSS: 1100MHz power 6000 control 0xb00 status 0xb00

 1568 19:39:55.289215  PSS: 1000MHz power 5388 control 0xa00 status 0xa00

 1569 19:39:55.293690  PSS: 800MHz power 4213 control 0x800 status 0x800

 1570 19:39:55.298599  PSS: 1101MHz power 6000 control 0x1900 status 0x1900

 1571 19:39:55.304235  PSS: 1100MHz power 6000 control 0xb00 status 0xb00

 1572 19:39:55.308980  PSS: 1000MHz power 5388 control 0xa00 status 0xa00

 1573 19:39:55.314148  PSS: 800MHz power 4213 control 0x800 status 0x800

 1574 19:39:55.319532  \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier

 1575 19:39:55.323800  Error: Could not locate 'wifi_sar' in VPD

 1576 19:39:55.328202  Error: failed from getting SAR limits!

 1577 19:39:55.332048  \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0

 1578 19:39:55.336276  lpss_i2c: bad counts. hcnt = -8 lcnt = 14

 1579 19:39:55.344345  \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91

 1580 19:39:55.348344  lpss_i2c: bad counts. hcnt = -5 lcnt = 17

 1581 19:39:55.352882  \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50

 1582 19:39:55.356926  lpss_i2c: bad counts. hcnt = -1 lcnt = 77

 1583 19:39:55.361271  lpss_i2c: bad counts. hcnt = -23 lcnt = 32

 1584 19:39:55.366200  \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10

 1585 19:39:55.372537  \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39

 1586 19:39:55.376185  lpss_i2c: bad counts. hcnt = -1 lcnt = 72

 1587 19:39:55.380946  lpss_i2c: bad counts. hcnt = -23 lcnt = 27

 1588 19:39:55.385239  \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15

 1589 19:39:55.390641  \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c

 1590 19:39:55.394581  lpss_i2c: bad counts. hcnt = -5 lcnt = 4

 1591 19:39:55.399592  \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09

 1592 19:39:55.403483  ACPI: added table 2/32, length now 44

 1593 19:39:55.404884  ACPI:    * MCFG

 1594 19:39:55.409046  ACPI: added table 3/32, length now 48

 1595 19:39:55.410647  ACPI:    * TCPA

 1596 19:39:55.414320  TCPA log created at 7aa00000

 1597 19:39:55.417647  ACPI: added table 4/32, length now 52

 1598 19:39:55.418647  ACPI:    * MADT

 1599 19:39:55.420193  SCI is IRQ9

 1600 19:39:55.424282  ACPI: added table 5/32, length now 56

 1601 19:39:55.426279  current = 7ab14920

 1602 19:39:55.431218  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1603 19:39:55.433615  CBFS @ 205000 size 17b000

 1604 19:39:55.439914  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1605 19:39:55.443026  CBFS: Locating 'dmic-4ch-48khz-16b.bin'

 1606 19:39:55.446429  CBFS: Found @ offset 2e1c0 size be8

 1607 19:39:55.449213  Added 4CH DMIC array.

 1608 19:39:55.454267  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1609 19:39:55.456830  CBFS @ 205000 size 17b000

 1610 19:39:55.461767  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1611 19:39:55.466663  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1612 19:39:55.469656  CBFS: Found @ offset 2ef00 size 64

 1613 19:39:55.475032  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1614 19:39:55.477480  CBFS @ 205000 size 17b000

 1615 19:39:55.482842  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1616 19:39:55.487187  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1617 19:39:55.490898  CBFS: Found @ offset 2ef00 size 64

 1618 19:39:55.493051  Added Dialog_7219 codec.

 1619 19:39:55.497861  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1620 19:39:55.501510  CBFS @ 205000 size 17b000

 1621 19:39:55.506568  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1622 19:39:55.511717  CBFS: Locating 'max98357-render-2ch-48khz-24b.bin'

 1623 19:39:55.514450  CBFS: Found @ offset 2ee00 size 74

 1624 19:39:55.516743  Added Maxim_98357 codec.

 1625 19:39:55.518542  ACPI:    * NHLT

 1626 19:39:55.522497  ACPI: added table 6/32, length now 60

 1627 19:39:55.525357  ACPI:    * IGD OpRegion

 1628 19:39:55.526839  ACPI:    * HPET

 1629 19:39:55.530239  ACPI: added table 7/32, length now 64

 1630 19:39:55.531970  ACPI: done.

 1631 19:39:55.534572  ACPI tables: 30656 bytes.

 1632 19:39:55.537313  smbios_write_tables: 7a9fd000

 1633 19:39:55.539352  Create SMBIOS type 17

 1634 19:39:55.542392  Root Device (Google Coral)

 1635 19:39:55.546252  CPU_CLUSTER: 0 (Intel Apollolake SOC)

 1636 19:39:55.549635  APIC: 00 (Intel Apollolake SOC)

 1637 19:39:55.553683  DOMAIN: 0000 (Intel Apollolake SOC)

 1638 19:39:55.556492  PCI: 00:00.0 (Intel Apollolake SOC)

 1639 19:39:55.560118  PCI: 00:00.1 (Intel Apollolake SOC)

 1640 19:39:55.563691  PCI: 00:00.2 (Intel Apollolake SOC)

 1641 19:39:55.567584  PCI: 00:02.0 (Intel Apollolake SOC)

 1642 19:39:55.571331  PCI: 00:03.0 (Intel Apollolake SOC)

 1643 19:39:55.574781  PCI: 00:0d.0 (Intel Apollolake SOC)

 1644 19:39:55.578470  PCI: 00:0d.1 (Intel Apollolake SOC)

 1645 19:39:55.582790  PCI: 00:0d.2 (Intel Apollolake SOC)

 1646 19:39:55.585490  PCI: 00:0d.3 (Intel Apollolake SOC)

 1647 19:39:55.589168  PCI: 00:0e.0 (Intel Apollolake SOC)

 1648 19:39:55.593849  GENERIC: 0.0 (Maxim Integrated 98357A Amplifier)

 1649 19:39:55.597152  PCI: 00:11.0 (Intel Apollolake SOC)

 1650 19:39:55.601877  PCI: 00:12.0 (Intel Apollolake SOC)

 1651 19:39:55.604677  PCI: 00:13.0 (Intel Apollolake SOC)

 1652 19:39:55.608729  PCI: 00:13.1 (Intel Apollolake SOC)

 1653 19:39:55.612322  PCI: 00:13.2 (Intel Apollolake SOC)

 1654 19:39:55.615784  PCI: 00:13.3 (Intel Apollolake SOC)

 1655 19:39:55.619788  PCI: 00:14.0 (Intel Apollolake SOC)

 1656 19:39:55.622301  PCI: 01:00.0 (Intel WiFi)

 1657 19:39:55.625816  PCI: 00:14.1 (Intel Apollolake SOC)

 1658 19:39:55.629005  PCI: 00:15.0 (Intel Apollolake SOC)

 1659 19:39:55.632943  PCI: 00:15.1 (Intel Apollolake SOC)

 1660 19:39:55.636496  PCI: 00:16.0 (Intel Apollolake SOC)

 1661 19:39:55.641865  I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec)

 1662 19:39:55.645679  PCI: 00:16.1 (Intel Apollolake SOC)

 1663 19:39:55.648532  PCI: 00:16.2 (Intel Apollolake SOC)

 1664 19:39:55.651257  I2C: 02:50 (I2C TPM)

 1665 19:39:55.654542  PCI: 00:16.3 (Intel Apollolake SOC)

 1666 19:39:55.656816  I2C: 03:10 (I2C Device)

 1667 19:39:55.659626  I2C: 03:39 (I2C Device)

 1668 19:39:55.662915  PCI: 00:17.0 (Intel Apollolake SOC)

 1669 19:39:55.665743  I2C: 04:15 (I2C Device)

 1670 19:39:55.668340  I2C: 04:2c (I2C HID Device)

 1671 19:39:55.672117  PCI: 00:17.1 (Intel Apollolake SOC)

 1672 19:39:55.674394  I2C: 05:09 (I2C HID Device)

 1673 19:39:55.679328  PCI: 00:17.2 (Intel Apollolake SOC)

 1674 19:39:55.681810  PCI: 00:17.3 (Intel Apollolake SOC)

 1675 19:39:55.685598  PCI: 00:18.0 (Intel Apollolake SOC)

 1676 19:39:55.689491  PCI: 00:18.1 (Intel Apollolake SOC)

 1677 19:39:55.692592  PCI: 00:18.2 (Intel Apollolake SOC)

 1678 19:39:55.696600  PCI: 00:18.3 (Intel Apollolake SOC)

 1679 19:39:55.699624  PCI: 00:19.0 (Intel Apollolake SOC)

 1680 19:39:55.703563  PCI: 00:19.1 (Intel Apollolake SOC)

 1681 19:39:55.707220  PCI: 00:19.2 (Intel Apollolake SOC)

 1682 19:39:55.711145  PCI: 00:1a.0 (Intel Apollolake SOC)

 1683 19:39:55.714765  PCI: 00:1b.0 (Intel Apollolake SOC)

 1684 19:39:55.718031  PCI: 00:1c.0 (Intel Apollolake SOC)

 1685 19:39:55.721820  PCI: 00:1e.0 (Intel Apollolake SOC)

 1686 19:39:55.725051  PCI: 00:1f.0 (Intel Apollolake SOC)

 1687 19:39:55.729628  PNP: 0c09.0 (Google Chrome EC)

 1688 19:39:55.732945  PCI: 00:1f.1 (Intel Apollolake SOC)

 1689 19:39:55.734288  PCI: 00:0f.0 (unknown)

 1690 19:39:55.736272  PCI: 00:0f.1 (unknown)

 1691 19:39:55.739054  PCI: 00:0f.2 (unknown)

 1692 19:39:55.741236  APIC: 06 (unknown)

 1693 19:39:55.743206  APIC: 04 (unknown)

 1694 19:39:55.745024  APIC: 02 (unknown)

 1695 19:39:55.747218  SMBIOS tables: 839 bytes.

 1696 19:39:55.751671  Writing table forward entry at 0x00000500

 1697 19:39:55.757442  Wrote coreboot table at: 00000500, 0x10 bytes, checksum 452b

 1698 19:39:55.761694  Writing coreboot table at 0x7ab34000

 1699 19:39:55.767580   0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES

 1700 19:39:55.771910   1. 0000000000001000-000000000009ffff: RAM

 1701 19:39:55.777135   2. 00000000000a0000-00000000000fffff: RESERVED

 1702 19:39:55.781049   3. 0000000000100000-000000000fffffff: RAM

 1703 19:39:55.785819   4. 0000000010000000-0000000012150fff: RESERVED

 1704 19:39:55.789751   5. 0000000012151000-000000007a9fcfff: RAM

 1705 19:39:55.795502   6. 000000007a9fd000-000000007affffff: CONFIGURATION TABLES

 1706 19:39:55.800649   7. 000000007b000000-000000007fffffff: RESERVED

 1707 19:39:55.805768   8. 00000000d0000000-00000000d0ffffff: RESERVED

 1708 19:39:55.810162   9. 00000000e0000000-00000000efffffff: RESERVED

 1709 19:39:55.815043  10. 00000000fed10000-00000000fed17fff: RESERVED

 1710 19:39:55.819422  11. 0000000100000000-000000017fffffff: RAM

 1711 19:39:55.823332  Graphics framebuffer located at 0xb0000000

 1712 19:39:55.826846  Passing 6 GPIOs to payload:

 1713 19:39:55.832271              NAME |       PORT | POLARITY |     VALUE

 1714 19:39:55.836973     write protect |  undefined |     high |       low

 1715 19:39:55.843097          recovery |  undefined |     high |      high

 1716 19:39:55.847549               lid |  undefined |     high |       low

 1717 19:39:55.852698             power |  undefined |     high |      high

 1718 19:39:55.857984             oprom |  undefined |     high |      high

 1719 19:39:55.863246          EC in RW | 0x00000029 |     high |      high

 1720 19:39:55.868327  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1721 19:39:55.871354  CBFS @ 205000 size 17b000

 1722 19:39:55.875800  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1723 19:39:55.882123  Wrote coreboot table at: 7ab34000, 0x5f4 bytes, checksum 12d4

 1724 19:39:55.885241  coreboot table: 1548 bytes.

 1725 19:39:55.888503  IMD ROOT    0. 7afff000 00001000

 1726 19:39:55.892196  IMD SMALL   1. 7affe000 00001000

 1727 19:39:55.895725  FSP MEMORY  2. 7abfe000 00400000

 1728 19:39:55.898612  CONSOLE     3. 7abde000 00020000

 1729 19:39:55.902527  TIME STAMP  4. 7abdd000 00000400

 1730 19:39:55.905596  VBOOT       5. 7abdc000 00000c0c

 1731 19:39:55.909245  MRC DATA    6. 7abd0000 0000b2d0

 1732 19:39:55.911898  ROMSTG STCK 7. 7abcf000 00000400

 1733 19:39:55.915881  AFTER CAR   8. 7abc5000 0000a000

 1734 19:39:55.918316  RAMSTAGE    9. 7ab77000 0004e000

 1735 19:39:55.921746  REFCODE    10. 7ab4d000 0002a000

 1736 19:39:55.925090  ACPI GNVS  11. 7ab4c000 00001000

 1737 19:39:55.928420  SMM BACKUP 12. 7ab3c000 00010000

 1738 19:39:55.931500  COREBOOT   13. 7ab34000 00008000

 1739 19:39:55.934948  ACPI       14. 7ab10000 00024000

 1740 19:39:55.938359  RAMOOPS    15. 7aa10000 00100000

 1741 19:39:55.941824  TCPA LOG   16. 7aa00000 00010000

 1742 19:39:55.944921  EXT VBT17. 7a9fe000 0000180a

 1743 19:39:55.948043  SMBIOS     18. 7a9fd000 00000800

 1744 19:39:55.949779  IMD small region:

 1745 19:39:55.953132    IMD ROOT    0. 7affec00 00000400

 1746 19:39:55.956760    FSP RUNTIME 1. 7affebe0 00000004

 1747 19:39:55.960482    VBOOT SEL   2. 7affebc0 00000008

 1748 19:39:55.963943    EC HOSTEVENT 3. 7affeba0 00000004

 1749 19:39:55.967871    POWER STATE 4. 7affeb60 00000040

 1750 19:39:55.971387    ROMSTAGE    5. 7affeb40 00000004

 1751 19:39:55.974720    VARMRC DATA 6. 7affeb00 00000028

 1752 19:39:55.978612    MEM INFO    7. 7affe9a0 00000141

 1753 19:39:55.981372    VPD         8. 7affe940 00000058

 1754 19:39:55.986054    GNVS PTR    9. 7affe920 00000004

 1755 19:39:55.990878  BS: BS_WRITE_TABLES times (us): entry 0 run 816073 exit 0

 1756 19:39:55.996162  FMAP: area COREBOOT found @ 205000 (1552384 bytes)

 1757 19:39:56.000626  CBFS @ 205000 size 17b000

 1758 19:39:56.004006  CBFS: 'IAFW Locator' located CBFS at [205000:380000)

 1759 19:39:56.007285  CBFS: Locating 'fallback/payload'

 1760 19:39:56.012372  CBFS: Found @ offset f6d00 size 36dd4

 1761 19:39:56.015508  Loading segment from ROM address 0xff37cd38

 1762 19:39:56.018214    code (compression=0)

 1763 19:39:56.026787    New segment dstaddr 0x30104040 memsize 0x251570 srcaddr 0xff37cd70 filesize 0x36d9c

 1764 19:39:56.031556  Loading segment from ROM address 0xff37cd54

 1765 19:39:56.033386    Entry Point 0x30104040

 1766 19:39:56.042720  Loading Segment: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c

 1767 19:39:56.047175  lb: [0x000000007ab78000, 0x000000007abc4bb0)

 1768 19:39:56.056967  Post relocation: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c

 1769 19:39:56.058516  it's not compressed!

 1770 19:39:56.085794  [ 0x30104040, 3013addc, 0x303555b0) <- ff37cd70

 1771 19:39:56.092339  Clearing Segment: addr: 0x000000003013addc memsz: 0x000000000021a7d4

 1772 19:39:56.098094  dest 30104040, end 303555b0, bouncebuffer ffffffff

 1773 19:39:56.099379  Loaded segments

 1774 19:39:56.111197  CSE FWSTS1: 0x80000245

 1775 19:39:56.113435  CSE FWSTS2: 0x3b850000

 1776 19:39:56.115814  CSE FWSTS3: 0x00000000

 1777 19:39:56.117900  CSE FWSTS4: 0x00080000

 1778 19:39:56.120553  CSE FWSTS5: 0x00000000

 1779 19:39:56.123093  CSE FWSTS6: 0x40000000

 1780 19:39:56.126121  ME: Manufacturing Mode      : NO

 1781 19:39:56.129889  ME: FPF status              : fused

 1782 19:39:56.135743  BS: BS_PAYLOAD_LOAD times (us): entry 178 run 107980 exit 29959

 1783 19:39:56.140748  Jumping to boot code at 30104040(7ab34000)

 1784 19:39:56.148674  CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes

 1785 19:39:56.150422  

 1786 19:39:56.150504  

 1787 19:39:56.150573  

 1788 19:39:56.152609  Starting depthcharge on coral...

 1789 19:39:56.152696  

 1790 19:39:56.153189  end: 2.2.3 depthcharge-start (duration 00:00:14) [common]
 1791 19:39:56.153293  start: 2.2.4 bootloader-commands (timeout 00:04:41) [common]
 1792 19:39:56.153375  Setting prompt string to ['coral:']
 1793 19:39:56.153453  bootloader-commands: Wait for prompt ['coral:'] (timeout 00:04:41)
 1794 19:39:56.160276  WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime!

 1795 19:39:56.160360  

 1796 19:39:56.168063  WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime!

 1797 19:39:56.168148  

 1798 19:39:56.169886  BIOS MMAP details:

 1799 19:39:56.170890  

 1800 19:39:56.172330  IFD Base Offset  : 0x1000

 1801 19:39:56.172758  

 1802 19:39:56.174930  IFD End Offset   : 0xf7f000

 1803 19:39:56.176376  

 1804 19:39:56.178298  MMAP Size        : 0xf7e000

 1805 19:39:56.178381  

 1806 19:39:56.181043  MMAP Start       : 0xff082000

 1807 19:39:56.181125  

 1808 19:39:56.186763  The GBB signature is at 0x30004040 and is:  24 47 42 42

 1809 19:39:56.189299  

 1810 19:39:56.195150  [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32

 1811 19:39:56.195234  

 1812 19:39:56.195300  

 1813 19:39:56.195362  

 1814 19:39:56.195632  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}']
 1816 19:39:56.295943  coral: enet dhcp

 1817 19:39:56.296051  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)
 1818 19:39:56.297376  enet dhcp

 1819 19:39:56.297460  

 1820 19:39:56.298793  Waiting for link

 1821 19:39:57.022060  

 1822 19:39:57.025199  R8152: Initializing

 1823 19:39:57.025283  

 1824 19:39:57.026628  Version 9 (ocp_data = 6010)

 1825 19:39:57.027726  

 1826 19:39:57.029979  R8152: Done initializing

 1827 19:39:57.030261  

 1828 19:39:57.031930  Adding net device

 1829 19:39:57.232939  

 1830 19:39:57.233791  done.

 1831 19:39:57.233893  

 1832 19:39:57.235811  MAC: 00:e0:4c:78:86:ca

 1833 19:39:57.236168  

 1834 19:39:57.238900  Sending DHCP discover... done.

 1835 19:39:57.239621  

 1836 19:39:57.241868  Waiting for reply... done.

 1837 19:39:57.241952  

 1838 19:39:57.247097  Sending DHCP request... done.

 1839 19:39:57.247182  

 1840 19:39:57.251250  Waiting for reply... done.

 1841 19:39:57.251333  

 1842 19:39:57.254223  My ip is 192.168.201.17

 1843 19:39:57.254330  

 1844 19:39:57.256786  The DHCP server ip is 192.168.201.1

 1845 19:39:57.257371  

 1846 19:39:57.257467  

 1848 19:39:57.358288  coral: tftpboot 192.168.201.1 12460431/tftp-deploy-vmk2__j9/kernel/bzImage 12460431/tftp-deploy-vmk2__j9/kernel/cmdline 12460431/tftp-deploy-vmk2__j9/ramdisk/ramdisk.cpio.gz

 1849 19:39:57.358437  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}']
 1850 19:39:57.358548  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)
 1851 19:39:57.359953  tftpboot 192.168.201.1 12460431/tftp-deploy-vmk2__j9/kernel/bzImaploy-vmk2__j9/kernel/cmdline 12460431/tftp-deploy-vmk2__j9/ramdisk/ramdisk.cpio.gz

 1852 19:39:57.360060  

 1853 19:39:57.402702  Waiting for link

 1854 19:39:57.562513  

 1855 19:39:57.562907  done.

 1856 19:39:57.563017  

 1857 19:39:57.565358  MAC: 00:e0:4c:78:86:ca

 1858 19:39:57.565882  

 1859 19:39:57.568098  Sending DHCP discover... done.

 1860 19:39:57.569624  

 1861 19:39:57.571098  Waiting for reply... done.

 1862 19:39:57.571500  

 1863 19:39:57.573938  Sending DHCP request... done.

 1864 19:39:57.574423  

 1865 19:39:57.576883  Waiting for reply... done.

 1866 19:39:57.577357  

 1867 19:39:57.579227  My ip is 192.168.201.17

 1868 19:39:57.579329  

 1869 19:39:57.582971  The DHCP server ip is 192.168.201.1

 1870 19:39:57.583073  

 1871 19:39:57.587906  TFTP server IP predefined by user: 192.168.201.1

 1872 19:39:57.588009  

 1873 19:39:57.595348  Bootfile predefined by user: 12460431/tftp-deploy-vmk2__j9/kernel/bzImage

 1874 19:39:57.595675  

 1875 19:39:57.598239  Sending tftp read request... done.

 1876 19:39:57.598820  

 1877 19:39:57.601719  Waiting for the transfer... 

 1878 19:39:57.602040  

 1879 19:39:57.845777  00000000 ################################################################

 1880 19:39:57.846330  

 1881 19:39:58.091074  00080000 ################################################################

 1882 19:39:58.091539  

 1883 19:39:58.330518  00100000 ################################################################

 1884 19:39:58.331279  

 1885 19:39:58.571042  00180000 ################################################################

 1886 19:39:58.571680  

 1887 19:39:58.812317  00200000 ################################################################

 1888 19:39:58.812678  

 1889 19:39:59.052695  00280000 ################################################################

 1890 19:39:59.053203  

 1891 19:39:59.293836  00300000 ################################################################

 1892 19:39:59.294172  

 1893 19:39:59.535336  00380000 ################################################################

 1894 19:39:59.536562  

 1895 19:39:59.776030  00400000 ################################################################

 1896 19:39:59.777129  

 1897 19:40:00.018258  00480000 ################################################################

 1898 19:40:00.018596  

 1899 19:40:00.257113  00500000 ################################################################

 1900 19:40:00.257470  

 1901 19:40:00.495857  00580000 ################################################################

 1902 19:40:00.496281  

 1903 19:40:00.734518  00600000 ################################################################

 1904 19:40:00.734922  

 1905 19:40:00.974862  00680000 ################################################################

 1906 19:40:00.975203  

 1907 19:40:01.215504  00700000 ################################################################

 1908 19:40:01.216328  

 1909 19:40:01.449577  00780000 ################################################################

 1910 19:40:01.450825  

 1911 19:40:01.690613  00800000 ################################################################

 1912 19:40:01.691693  

 1913 19:40:01.935965  00880000 ################################################################

 1914 19:40:01.937107  

 1915 19:40:02.176293  00900000 ################################################################

 1916 19:40:02.176999  

 1917 19:40:02.416982  00980000 ################################################################

 1918 19:40:02.417838  

 1919 19:40:02.657742  00a00000 ################################################################

 1920 19:40:02.658487  

 1921 19:40:02.898845  00a80000 ################################################################

 1922 19:40:02.899341  

 1923 19:40:03.139754  00b00000 ################################################################

 1924 19:40:03.140104  

 1925 19:40:03.380346  00b80000 ################################################################

 1926 19:40:03.380697  

 1927 19:40:03.620687  00c00000 ################################################################

 1928 19:40:03.621854  

 1929 19:40:03.861304  00c80000 ################################################################

 1930 19:40:03.862455  

 1931 19:40:04.101243  00d00000 ################################################################

 1932 19:40:04.101603  

 1933 19:40:04.342158  00d80000 ################################################################

 1934 19:40:04.343382  

 1935 19:40:04.582561  00e00000 ################################################################

 1936 19:40:04.583326  

 1937 19:40:04.823691  00e80000 ################################################################

 1938 19:40:04.824138  

 1939 19:40:05.064489  00f00000 ################################################################

 1940 19:40:05.065194  

 1941 19:40:05.305455  00f80000 ################################################################

 1942 19:40:05.305984  

 1943 19:40:05.536881  01000000 ############################################################## done.

 1944 19:40:05.537001  

 1945 19:40:05.540768  The bootfile was 17280320 bytes long.

 1946 19:40:05.540873  

 1947 19:40:05.543756  Sending tftp read request... done.

 1948 19:40:05.545233  

 1949 19:40:05.547081  Waiting for the transfer... 

 1950 19:40:05.547198  

 1951 19:40:05.803226  00000000 ################################################################

 1952 19:40:05.803863  

 1953 19:40:06.068010  00080000 ################################################################

 1954 19:40:06.068386  

 1955 19:40:06.336379  00100000 ################################################################

 1956 19:40:06.337183  

 1957 19:40:06.590322  00180000 ################################################################

 1958 19:40:06.590952  

 1959 19:40:06.839868  00200000 ################################################################

 1960 19:40:06.840329  

 1961 19:40:07.105481  00280000 ################################################################

 1962 19:40:07.105861  

 1963 19:40:07.366849  00300000 ################################################################

 1964 19:40:07.367255  

 1965 19:40:07.612562  00380000 ################################################################

 1966 19:40:07.613512  

 1967 19:40:07.886768  00400000 ################################################################

 1968 19:40:07.887468  

 1969 19:40:08.157518  00480000 ################################################################

 1970 19:40:08.158027  

 1971 19:40:08.411806  00500000 ################################################################

 1972 19:40:08.412793  

 1973 19:40:08.665994  00580000 ################################################################

 1974 19:40:08.666579  

 1975 19:40:08.927204  00600000 ################################################################

 1976 19:40:08.927982  

 1977 19:40:09.207202  00680000 ################################################################

 1978 19:40:09.208277  

 1979 19:40:09.495281  00700000 ################################################################

 1980 19:40:09.496638  

 1981 19:40:09.771584  00780000 ################################################################

 1982 19:40:09.772076  

 1983 19:40:10.042973  00800000 ################################################################

 1984 19:40:10.043581  

 1985 19:40:10.296838  00880000 ################################################################

 1986 19:40:10.297466  

 1987 19:40:10.545008  00900000 ################################################################

 1988 19:40:10.545894  

 1989 19:40:10.806809  00980000 ################################################################

 1990 19:40:10.807235  

 1991 19:40:10.810800  00a00000 # done.

 1992 19:40:10.811314  

 1993 19:40:10.814613  Sending tftp read request... done.

 1994 19:40:10.816375  

 1995 19:40:10.817439  Waiting for the transfer... 

 1996 19:40:10.817986  

 1997 19:40:10.819204  00000000 # done.

 1998 19:40:10.819318  

 1999 19:40:10.828469  Command line loaded dynamically from TFTP file: 12460431/tftp-deploy-vmk2__j9/kernel/cmdline

 2000 19:40:10.828604  

 2001 19:40:10.857711  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/12460431/extract-nfsrootfs-rpnsq1gt,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2002 19:40:10.865160  

 2003 19:40:10.868810  Shutting down all USB controllers.

 2004 19:40:10.868922  

 2005 19:40:10.874095  Removing current net device

 2006 19:40:10.874211  

 2007 19:40:10.874306  Finalizing Coreboot

 2008 19:40:10.874411  

 2009 19:40:10.879064  Exiting depthcharge with code 4 at timestamp: 21824935

 2010 19:40:10.879149  

 2011 19:40:10.879502  

 2012 19:40:10.880962  Starting kernel ...

 2013 19:40:10.881069  

 2014 19:40:10.881827  end: 2.2.4 bootloader-commands (duration 00:00:15) [common]
 2015 19:40:10.881957  start: 2.2.5 auto-login-action (timeout 00:04:26) [common]
 2016 19:40:10.882062  Setting prompt string to ['Linux version [0-9]']
 2017 19:40:10.882159  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 19:40:10.882255  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 19:40:10.882508  

 2020 19:40:12.747306  

 2021 19:40:12.751044  start: 2.2.5.1 login-action (timeout 00:04:25) [common]
 2022 19:40:12.751147  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.
 2023 19:40:12.751222  Setting prompt string to []
 2024 19:40:12.751303  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']
 2025 19:40:12.751418  Using line separator: #'\n'#
 2026 19:40:12.751504  No login prompt set.
 2027 19:40:12.751587  Parsing kernel messages
 2028 19:40:12.751646  ['-\\[ 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']
 2029 19:40:12.751759  [login-action] Waiting for messages, (timeout 00:04:25)
 2030 19:40:12.770014  <5>[    0.000000] Linux version 5.10.206-cip41 (KernelCI@build-j66870-x86-64-gcc-10-x86-64-defconfig-x86-board-lsjpb) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Jan 5 19:13:20 UTC 2024

 2031 19:40:12.801422  <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/12460431/extract-nfsrootfs-rpnsq1gt,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2032 19:40:12.806813  <6>[    0.000000] BIOS-provided physical RAM map:

 2033 19:40:12.813949  <6>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16

 2034 19:40:12.822474  <6>[    0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable

 2035 19:40:12.829743  <6>[    0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved

 2036 19:40:12.838589  <6>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffffff] usable

 2037 19:40:12.845575  <6>[    0.000000] BIOS-e820: [mem 0x0000000010000000-0x0000000012150fff] reserved

 2038 19:40:12.853870  <6>[    0.000000] BIOS-e820: [mem 0x0000000012151000-0x000000007a9fcfff] usable

 2039 19:40:12.861604  <6>[    0.000000] BIOS-e820: [mem 0x000000007a9fd000-0x000000007affffff] type 16

 2040 19:40:12.870689  <6>[    0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved

 2041 19:40:12.877593  <6>[    0.000000] BIOS-e820: [mem 0x00000000d0000000-0x00000000d0ffffff] reserved

 2042 19:40:12.885953  <6>[    0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved

 2043 19:40:12.893946  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed17fff] reserved

 2044 19:40:12.901856  <6>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable

 2045 19:40:12.907871  <6>[    0.000000] NX (Execute Disable) protection: active

 2046 19:40:12.911301  <6>[    0.000000] SMBIOS 2.7 present.

 2047 19:40:12.917305  <6>[    0.000000] DMI: Google Coral/Coral, BIOS  09/29/2020

 2048 19:40:12.923126  <6>[    0.000000] tsc: Detected 1094.400 MHz processor

 2049 19:40:12.929671  <6>[    0.000058] last_pfn = 0x180000 max_arch_pfn = 0x400000000

 2050 19:40:12.936995  <6>[    0.000313] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  

 2051 19:40:12.943647  <6>[    0.001165] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000

 2052 19:40:12.950413  <6>[    0.005265] check: Scanning 1 areas for low memory corruption

 2053 19:40:12.955289  <6>[    0.005278] Using GB pages for direct mapping

 2054 19:40:12.960601  <6>[    0.005778] RAMDISK: [mem 0x375fe000-0x37ffffff]

 2055 19:40:12.967213  <6>[    0.005785] ACPI: Early table checksum verification disabled

 2056 19:40:12.974312  <6>[    0.005794] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE  )

 2057 19:40:12.983852  <6>[    0.005805] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 2058 19:40:12.993914  <6>[    0.005819] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 2059 19:40:13.003378  <6>[    0.005832] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717)

 2060 19:40:13.009425  <6>[    0.005843] ACPI: FACS 0x000000007AB10240 000040

 2061 19:40:13.015301  <6>[    0.005852] ACPI: FACS 0x000000007AB10240 000040

 2062 19:40:13.024243  <6>[    0.005860] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE   COREBOOT 0000002A CORE 0000002A)

 2063 19:40:13.034166  <6>[    0.005870] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 2064 19:40:13.043824  <6>[    0.005880] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE   COREBOOT 00000000 CORE 00000000)

 2065 19:40:13.053708  <6>[    0.005889] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 2066 19:40:13.064728  <6>[    0.005899] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral  coral    00000021 CORE 00000000)

 2067 19:40:13.074434  <6>[    0.005909] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 2068 19:40:13.081541  <6>[    0.005918] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223]

 2069 19:40:13.090303  <6>[    0.005923] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127]

 2070 19:40:13.098448  <6>[    0.005927] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f]

 2071 19:40:13.106348  <6>[    0.005931] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f]

 2072 19:40:13.114841  <6>[    0.005934] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829]

 2073 19:40:13.122971  <6>[    0.005938] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b]

 2074 19:40:13.130590  <6>[    0.005942] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1]

 2075 19:40:13.139139  <6>[    0.005946] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b]

 2076 19:40:13.146842  <6>[    0.005950] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f]

 2077 19:40:13.155362  <6>[    0.005954] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7]

 2078 19:40:13.159895  <6>[    0.006073] No NUMA configuration found

 2079 19:40:13.167591  <6>[    0.006077] Faking a node at [mem 0x0000000000000000-0x000000017fffffff]

 2080 19:40:13.177224  <6>[    0.006086] NODE_DATA(0) allocated [mem 0x17fff9000-0x17fffcfff]

 2081 19:40:13.178454  <6>[    0.006133] Zone ranges:

 2082 19:40:13.185341  <6>[    0.006138]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]

 2083 19:40:13.192531  <6>[    0.006144]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]

 2084 19:40:13.199346  <6>[    0.006150]   Normal   [mem 0x0000000100000000-0x000000017fffffff]

 2085 19:40:13.204413  <6>[    0.006156] Movable zone start for each node

 2086 19:40:13.209303  <6>[    0.006160] Early memory node ranges

 2087 19:40:13.217170  <6>[    0.006164]   node   0: [mem 0x0000000000001000-0x000000000009ffff]

 2088 19:40:13.223844  <6>[    0.006168]   node   0: [mem 0x0000000000100000-0x000000000fffffff]

 2089 19:40:13.230757  <6>[    0.006172]   node   0: [mem 0x0000000012151000-0x000000007a9fcfff]

 2090 19:40:13.238292  <6>[    0.006176]   node   0: [mem 0x0000000100000000-0x000000017fffffff]

 2091 19:40:13.247196  <6>[    0.006182] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff]

 2092 19:40:13.253763  <6>[    0.006213] On node 0, zone DMA: 1 pages in unavailable ranges

 2093 19:40:13.260914  <6>[    0.006263] On node 0, zone DMA: 96 pages in unavailable ranges

 2094 19:40:13.267574  <6>[    0.012800] On node 0, zone DMA32: 8529 pages in unavailable ranges

 2095 19:40:13.275120  <6>[    0.020100] On node 0, zone Normal: 22019 pages in unavailable ranges

 2096 19:40:13.283051  <6>[    0.020131] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff]

 2097 19:40:13.287574  <6>[    0.020427] ACPI: PM-Timer IO Port: 0x408

 2098 19:40:13.295982  <6>[    0.020501] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119

 2099 19:40:13.303181  <6>[    0.020516] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)

 2100 19:40:13.310858  <6>[    0.020522] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)

 2101 19:40:13.318323  <6>[    0.020534] Using ACPI (MADT) for SMP configuration information

 2102 19:40:13.323505  <6>[    0.020540] ACPI: HPET id: 0x8086a701 base: 0xfed00000

 2103 19:40:13.328167  <6>[    0.020551] TSC deadline timer available

 2104 19:40:13.334310  <6>[    0.020557] smpboot: Allowing 4 CPUs, 0 hotplug CPUs

 2105 19:40:13.343492  <6>[    0.020590] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]

 2106 19:40:13.352059  <6>[    0.020596] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff]

 2107 19:40:13.360407  <6>[    0.020601] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff]

 2108 19:40:13.369136  <6>[    0.020607] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff]

 2109 19:40:13.377871  <6>[    0.020610] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff]

 2110 19:40:13.386437  <6>[    0.020614] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff]

 2111 19:40:13.395448  <6>[    0.020618] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff]

 2112 19:40:13.404264  <6>[    0.020621] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff]

 2113 19:40:13.413208  <6>[    0.020625] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff]

 2114 19:40:13.422204  <6>[    0.020629] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff]

 2115 19:40:13.430842  <6>[    0.020632] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff]

 2116 19:40:13.439248  <6>[    0.020636] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff]

 2117 19:40:13.446538  <6>[    0.020643] [mem 0x80000000-0xcfffffff] available for PCI devices

 2118 19:40:13.459098  <6>[    0.020653] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns

 2119 19:40:13.467393  <6>[    0.030968] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1

 2120 19:40:13.474948  <6>[    0.031597] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288

 2121 19:40:13.482721  <6>[    0.031703] Built 1 zonelists, mobility grouping on.  Total pages: 1002002

 2122 19:40:13.486444  <6>[    0.031711] Policy zone: Normal

 2123 19:40:13.517572  <5>[    0.031728] 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/12460431/extract-nfsrootfs-rpnsq1gt,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2124 19:40:13.526663  <6>[    0.032726] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)

 2125 19:40:13.536064  <6>[    0.033171] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)

 2126 19:40:13.542833  <6>[    0.033235] mem auto-init: stack:off, heap alloc:off, heap free:off

 2127 19:40:13.559632  <6>[    0.066560] Memory: 3858964K/4071724K available (22546K kernel code, 3713K rwdata, 10976K rodata, 2172K init, 13948K bss, 212500K reserved, 0K cma-reserved)

 2128 19:40:13.566511  <6>[    0.066715] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

 2129 19:40:13.572646  <6>[    0.066775] Kernel/User page tables isolation: enabled

 2130 19:40:13.578896  <6>[    0.066891] ftrace: allocating 61879 entries in 242 pages

 2131 19:40:13.584638  <6>[    0.103270] ftrace: allocated 242 pages with 5 groups

 2132 19:40:13.589077  <6>[    0.103617] Running RCU self tests

 2133 19:40:13.594411  <6>[    0.103635] rcu: Hierarchical RCU implementation.

 2134 19:40:13.599535  <6>[    0.103639] rcu: 	RCU event tracing is enabled.

 2135 19:40:13.605395  <6>[    0.103643] rcu: 	RCU lockdep checking is enabled.

 2136 19:40:13.613170  <6>[    0.103647] rcu: 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4.

 2137 19:40:13.618278  <6>[    0.103651] 	Rude variant of Tasks RCU enabled.

 2138 19:40:13.624315  <6>[    0.103654] 	Tracing variant of Tasks RCU enabled.

 2139 19:40:13.632997  <6>[    0.103659] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.

 2140 19:40:13.640730  <6>[    0.103663] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4

 2141 19:40:13.648428  <6>[    0.112168] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16

 2142 19:40:13.651842  <5>[    0.112610] random: crng init done

 2143 19:40:13.657264  <6>[    0.112723] Console: colour dummy device 80x25

 2144 19:40:13.662246  <6>[    0.180820] printk: console [ttyS2] enabled

 2145 19:40:13.671790  <4>[    0.181202] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

 2146 19:40:13.676128  <4>[    0.181869] ... MAX_LOCKDEP_SUBCLASSES:  8

 2147 19:40:13.680627  <4>[    0.182247] ... MAX_LOCK_DEPTH:          48

 2148 19:40:13.686540  <4>[    0.182622] ... MAX_LOCKDEP_KEYS:        8192

 2149 19:40:13.692283  <4>[    0.183018] ... CLASSHASH_SIZE:          4096

 2150 19:40:13.696300  <4>[    0.183416] ... MAX_LOCKDEP_ENTRIES:     32768

 2151 19:40:13.701610  <4>[    0.183813] ... MAX_LOCKDEP_CHAINS:      65536

 2152 19:40:13.707169  <4>[    0.184214] ... CHAINHASH_SIZE:          32768

 2153 19:40:13.713029  <4>[    0.184613]  memory used by lock dependency info: 6365 kB

 2154 19:40:13.718776  <4>[    0.185096]  memory used for stack traces: 4224 kB

 2155 19:40:13.725689  <4>[    0.185527]  per task-struct memory footprint: 1920 bytes

 2156 19:40:13.731529  <6>[    0.186074] ACPI: Core revision 20200925

 2157 19:40:13.740313  <6>[    0.186699] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns

 2158 19:40:13.746834  <6>[    0.187564] APIC: Switch to symmetric I/O mode setup

 2159 19:40:13.753121  <6>[    0.192469] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1

 2160 19:40:13.765411  <6>[    0.197554] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns

 2161 19:40:13.777097  <6>[    0.198463] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400)

 2162 19:40:13.783054  <6>[    0.199581] mce: CPU0: Thermal monitoring enabled (TM1)

 2163 19:40:13.789680  <6>[    0.200547] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0

 2164 19:40:13.797118  <6>[    0.201021] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0

 2165 19:40:13.806337  <6>[    0.201455] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization

 2166 19:40:13.812266  <6>[    0.202453] Spectre V2 : Mitigation: Retpolines

 2167 19:40:13.821872  <6>[    0.202864] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch

 2168 19:40:13.829881  <6>[    0.203450] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT

 2169 19:40:13.834606  <6>[    0.204037] Speculative Store Bypass: Vulnerable

 2170 19:40:13.843457  <6>[    0.204469] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'

 2171 19:40:13.850784  <6>[    0.205449] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'

 2172 19:40:13.858866  <6>[    0.206009] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'

 2173 19:40:13.865403  <6>[    0.206451] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'

 2174 19:40:13.872886  <6>[    0.206968] x86/fpu: xstate_offset[3]:  576, xstate_sizes[3]:   64

 2175 19:40:13.880458  <6>[    0.207449] x86/fpu: xstate_offset[4]:  640, xstate_sizes[4]:   64

 2176 19:40:13.891327  <6>[    0.207994] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format.

 2177 19:40:13.895813  Setting prompt string to ['-+\\[ end trace \\w* \\]-+[^\\n]*\\r', '/ #', 'Login timed out', 'Login incorrect']
 2178 19:40:13.896261  <4>[    0.230221] ------------[ cut here ]------------

 2179 19:40:13.908778  <4>[    0.230464] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00

 2180 19:40:13.918439  <4>[    0.230477] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220

 2181 19:40:13.922071  <4>[    0.232214] Modules linked in:

 2182 19:40:13.929906  <4>[    0.232452] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.206-cip41 #1

 2183 19:40:13.936540  <4>[    0.233035] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 2184 19:40:13.941991  <4>[    0.233452] RIP: 0010:apply_returns+0x1f5/0x220

 2185 19:40:13.963421  <4>[    0.233862] Code: 67 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 78 f6 a7 97 c6 05 40 15 67 02 01 e8 25 0c 16 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc

 2186 19:40:13.969510  <4>[    0.234450] RSP: 0000:ffffffff97e03e28 EFLAGS: 00010282

 2187 19:40:13.977796  <4>[    0.234920] RAX: 0000000000000000 RBX: ffffffff98a2e21c RCX: 0000000000000000

 2188 19:40:13.985853  <4>[    0.235450] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff95b77c41

 2189 19:40:13.994513  <4>[    0.236449] RBP: ffffffff976f8940 R08: 0000000000000001 R09: 0000000000000001

 2190 19:40:14.002631  <4>[    0.237070] R10: ffffffff97e8ff20 R11: 3fffffffffffffff R12: ffffffff98a47550

 2191 19:40:14.010813  <4>[    0.237449] R13: cccccccccccccccc R14: ffffffff976f8945 R15: 0000000000000004

 2192 19:40:14.020855  <4>[    0.238071] FS:  0000000000000000(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000

 2193 19:40:14.028007  <4>[    0.238449] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 2194 19:40:14.035128  <4>[    0.239449] CR2: ffff9d50bffff000 CR3: 0000000022426000 CR4: 00000000003506f0

 2195 19:40:14.038049  <4>[    0.240075] Call Trace:

 2196 19:40:14.041920  <4>[    0.240328]  ? __warn+0x80/0x110

 2197 19:40:14.046752  <4>[    0.240452]  ? apply_returns+0x1f5/0x220

 2198 19:40:14.051080  <4>[    0.240822]  ? report_bug+0x9e/0xc0

 2199 19:40:14.055126  <4>[    0.241149]  ? handle_bug+0x41/0x90

 2200 19:40:14.059876  <4>[    0.241453]  ? exc_invalid_op+0x14/0x70

 2201 19:40:14.065511  <4>[    0.241804]  ? asm_exc_invalid_op+0x12/0x20

 2202 19:40:14.069856  <4>[    0.242460]  ? console_unlock+0x4d1/0x5f0

 2203 19:40:14.074092  <4>[    0.242824]  ? apply_returns+0x1f5/0x220

 2204 19:40:14.078785  <4>[    0.243189]  ? apply_returns+0x1f5/0x220

 2205 19:40:14.083775  <4>[    0.243453]  ? lock_acquire+0xbf/0x280

 2206 19:40:14.089002  <4>[    0.243813]  alternative_instructions+0x7d/0x143

 2207 19:40:14.094151  <4>[    0.244239]  arch_cpu_finalize_init+0x28/0x47

 2208 19:40:14.098149  <4>[    0.244453]  start_kernel+0x4a3/0x54d

 2209 19:40:14.104057  <4>[    0.244805]  secondary_startup_64_no_verify+0xc2/0xcb

 2210 19:40:14.109133  <4>[    0.245463] irq event stamp: 108495

 2211 19:40:14.118393  <4>[    0.245787] hardirqs last  enabled at (108503): [<ffffffff95b77c41>] console_unlock+0x4d1/0x5f0

 2212 19:40:14.128538  <4>[    0.246450] hardirqs last disabled at (108514): [<ffffffff95b77bb4>] console_unlock+0x444/0x5f0

 2213 19:40:14.138075  <4>[    0.247451] softirqs last  enabled at (108524): [<ffffffff95b07ce1>] irq_enter_rcu+0x71/0x80

 2214 19:40:14.148500  <4>[    0.248176] softirqs last disabled at (108523): [<ffffffff95b07cc6>] irq_enter_rcu+0x56/0x80

 2215 19:40:14.153672  <4>[    0.248453] ---[ end trace f8800554775ed3ce ]---

 2216 19:40:14.153960  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 19:40:14.154056  login-action: kernel 'warning'
 2218 19:40:14.154187  [login-action] Waiting for messages, (timeout 00:04:23)
 2219 19:40:14.159570  <6>[    0.258836] Freeing SMP alternatives memory: 48K

 2220 19:40:14.164350  <6>[    0.259269] pid_max: default: 32768 minimum: 301

 2221 19:40:14.170072  <6>[    0.259551] LSM: Security Framework initializing

 2222 19:40:14.175183  <6>[    0.260004] SELinux:  Initializing.

 2223 19:40:14.178436  <6>[    0.260503] LSM support for eBPF active

 2224 19:40:14.187833  <6>[    0.260903] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2225 19:40:14.196532  <6>[    0.261463] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2226 19:40:14.207497  <6>[    0.263810] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9)

 2227 19:40:14.219213  <6>[    0.265037] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver.

 2228 19:40:14.223923  <6>[    0.265460] ... version:                4

 2229 19:40:14.228844  <6>[    0.265831] ... bit width:              48

 2230 19:40:14.233254  <6>[    0.266200] ... generic registers:      4

 2231 19:40:14.239705  <6>[    0.266450] ... value mask:             0000ffffffffffff

 2232 19:40:14.245838  <6>[    0.266926] ... max period:             00007fffffffffff

 2233 19:40:14.251092  <6>[    0.267392] ... fixed-purpose events:   3

 2234 19:40:14.257466  <6>[    0.267450] ... event mask:             000000070000000f

 2235 19:40:14.262652  <6>[    0.268345] rcu: Hierarchical SRCU implementation.

 2236 19:40:14.268077  <6>[    0.270012] smp: Bringing up secondary CPUs ...

 2237 19:40:14.272800  <6>[    0.271081] x86: Booting SMP configuration:

 2238 19:40:14.278408  <6>[    0.271490] .... node  #0, CPUs:      #1 #2 #3

 2239 19:40:14.282966  <6>[    0.274238] smp: Brought up 1 node, 4 CPUs

 2240 19:40:14.287912  <6>[    0.274861] smpboot: Max logical packages: 1

 2241 19:40:14.295588  <6>[    0.275246] smpboot: Total of 4 processors activated (8755.20 BogoMIPS)

 2242 19:40:14.300112  <6>[    0.276838] devtmpfs: initialized

 2243 19:40:14.304571  <6>[    0.277736] x86/mm: Memory block size: 128MB

 2244 19:40:14.316353  <6>[    0.281508] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns

 2245 19:40:14.324115  <6>[    0.282462] futex hash table entries: 1024 (order: 5, 131072 bytes, linear)

 2246 19:40:14.330275  <6>[    0.283544] pinctrl core: initialized pinctrl subsystem

 2247 19:40:14.336634  <6>[    0.284926] PM: RTC time: 19:40:10, date: 2024-01-05

 2248 19:40:14.341087  <6>[    0.285921] NET: Registered protocol family 16

 2249 19:40:14.347569  <6>[    0.286981] audit: initializing netlink subsys (disabled)

 2250 19:40:14.357697  <5>[    0.287524] audit: type=2000 audit(1704483610.094:1): state=initialized audit_enabled=0 res=1

 2251 19:40:14.364031  <6>[    0.288127] thermal_sys: Registered thermal governor 'step_wise'

 2252 19:40:14.371780  <6>[    0.288267] thermal_sys: Registered thermal governor 'user_space'

 2253 19:40:14.375972  <6>[    0.288549] cpuidle: using governor menu

 2254 19:40:14.381296  <6>[    0.289613] ACPI: bus type PCI registered

 2255 19:40:14.391505  <6>[    0.290319] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000)

 2256 19:40:14.399588  <6>[    0.290457] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820

 2257 19:40:14.406270  <6>[    0.291094] PCI: Using configuration type 1 for base access

 2258 19:40:14.410197  <6>[    0.320594] Kprobes globally optimized

 2259 19:40:14.418940  <6>[    0.321588] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages

 2260 19:40:14.426825  <6>[    0.322466] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages

 2261 19:40:14.435165  <6>[    0.323565] cryptomgr_test (38) used greatest stack depth: 14880 bytes left

 2262 19:40:14.438919  <6>[    0.326821] ACPI: Added _OSI(Module Device)

 2263 19:40:14.444764  <6>[    0.327209] ACPI: Added _OSI(Processor Device)

 2264 19:40:14.449888  <6>[    0.327454] ACPI: Added _OSI(3.0 _SCP Extensions)

 2265 19:40:14.456193  <6>[    0.327875] ACPI: Added _OSI(Processor Aggregator Device)

 2266 19:40:14.461716  <6>[    0.328357] ACPI: Added _OSI(Linux-Dell-Video)

 2267 19:40:14.467770  <6>[    0.329464] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)

 2268 19:40:14.473998  <6>[    0.329935] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)

 2269 19:40:14.481362  <6>[    0.336272] ACPI: 2 ACPI AML tables successfully acquired and loaded

 2270 19:40:14.485868  <6>[    0.342485] ACPI: EC: EC started

 2271 19:40:14.490220  <6>[    0.342806] ACPI: EC: interrupt blocked

 2272 19:40:14.495639  <6>[    0.343664] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2273 19:40:14.504237  <6>[    0.344115] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions

 2274 19:40:14.508499  <6>[    0.344450] ACPI: Interpreter enabled

 2275 19:40:14.513068  <6>[    0.344841] ACPI: (supports S0 S3 S5)

 2276 19:40:14.518609  <6>[    0.345183] ACPI: Using IOAPIC for interrupt routing

 2277 19:40:14.529235  <6>[    0.345495] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug

 2278 19:40:14.535001  <6>[    0.346966] ACPI: Enabled 1 GPEs in block 00 to 7F

 2279 19:40:14.539626  <6>[    0.350552] ACPI: Power Resource [PXP] (on)

 2280 19:40:14.544884  <6>[    0.372528] ACPI: Power Resource [PRIC] (on)

 2281 19:40:14.550599  <6>[    0.399854] ACPI: Power Resource [PRIC] (on)

 2282 19:40:14.558000  <6>[    0.468691] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])

 2283 19:40:14.568023  <6>[    0.469248] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]

 2284 19:40:14.575885  <6>[    0.470683] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR]

 2285 19:40:14.580674  <6>[    0.471919] PCI host bridge to bus 0000:00

 2286 19:40:14.589580  <6>[    0.472293] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]

 2287 19:40:14.596925  <6>[    0.472452] pci_bus 0000:00: root bus resource [io  0x1000-0xffff window]

 2288 19:40:14.604981  <6>[    0.473051] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]

 2289 19:40:14.613838  <6>[    0.473452] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window]

 2290 19:40:14.622873  <6>[    0.474112] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window]

 2291 19:40:14.628701  <6>[    0.475453] pci_bus 0000:00: root bus resource [bus 00-ff]

 2292 19:40:14.635735  <6>[    0.476023] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000

 2293 19:40:14.642847  <6>[    0.477245] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000

 2294 19:40:14.650848  <6>[    0.477488] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit]

 2295 19:40:14.657717  <6>[    0.478653] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000

 2296 19:40:14.665480  <6>[    0.479210] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit]

 2297 19:40:14.673745  <6>[    0.480464] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit]

 2298 19:40:14.681057  <6>[    0.481072] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit]

 2299 19:40:14.688386  <6>[    0.481834] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000

 2300 19:40:14.696635  <6>[    0.482389] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit]

 2301 19:40:14.704274  <6>[    0.482463] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref]

 2302 19:40:14.710844  <6>[    0.483103] pci 0000:00:02.0: reg 0x20: [io  0x1000-0x103f]

 2303 19:40:14.718069  <6>[    0.483858] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000

 2304 19:40:14.725820  <6>[    0.484400] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit]

 2305 19:40:14.732984  <6>[    0.485928] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100

 2306 19:40:14.740927  <6>[    0.486481] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit]

 2307 19:40:14.748943  <6>[    0.487117] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit]

 2308 19:40:14.756194  <6>[    0.487557] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold

 2309 19:40:14.762989  <6>[    0.488662] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000

 2310 19:40:14.770806  <6>[    0.489238] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit]

 2311 19:40:14.776588  <6>[    0.490606] pci 0000:00:0f.0: PME# supported from D3hot

 2312 19:40:14.783549  <6>[    0.491490] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400

 2313 19:40:14.791166  <6>[    0.492200] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold

 2314 19:40:14.799259  <6>[    0.492988] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330

 2315 19:40:14.805837  <6>[    0.493476] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit]

 2316 19:40:14.812350  <6>[    0.494180] pci 0000:00:15.0: PME# supported from D3hot D3cold

 2317 19:40:14.819420  <6>[    0.494976] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000

 2318 19:40:14.827399  <6>[    0.495487] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit]

 2319 19:40:14.835829  <6>[    0.496106] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit]

 2320 19:40:14.842192  <6>[    0.497998] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000

 2321 19:40:14.850247  <6>[    0.498488] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit]

 2322 19:40:14.858161  <6>[    0.499107] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit]

 2323 19:40:14.865248  <6>[    0.500001] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000

 2324 19:40:14.873866  <6>[    0.500488] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit]

 2325 19:40:14.881409  <6>[    0.501107] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit]

 2326 19:40:14.887725  <6>[    0.501996] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000

 2327 19:40:14.895667  <6>[    0.502488] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit]

 2328 19:40:14.903826  <6>[    0.503110] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit]

 2329 19:40:14.911105  <6>[    0.504044] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000

 2330 19:40:14.918708  <6>[    0.505489] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit]

 2331 19:40:14.926368  <6>[    0.506109] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit]

 2332 19:40:14.933398  <6>[    0.507005] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000

 2333 19:40:14.941466  <6>[    0.507487] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit]

 2334 19:40:14.949220  <6>[    0.508103] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit]

 2335 19:40:14.956449  <6>[    0.509020] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000

 2336 19:40:14.964266  <6>[    0.509487] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit]

 2337 19:40:14.972183  <6>[    0.510107] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit]

 2338 19:40:14.978887  <6>[    0.512000] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000

 2339 19:40:14.987165  <6>[    0.512487] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit]

 2340 19:40:14.994798  <6>[    0.513104] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit]

 2341 19:40:15.001759  <6>[    0.514008] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000

 2342 19:40:15.009395  <6>[    0.514488] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit]

 2343 19:40:15.017398  <6>[    0.515106] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit]

 2344 19:40:15.024988  <6>[    0.516026] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000

 2345 19:40:15.032045  <6>[    0.516488] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit]

 2346 19:40:15.041142  <6>[    0.517106] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit]

 2347 19:40:15.047440  <6>[    0.519043] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501

 2348 19:40:15.055402  <6>[    0.519487] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit]

 2349 19:40:15.063189  <6>[    0.520091] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit]

 2350 19:40:15.070459  <6>[    0.520972] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501

 2351 19:40:15.078255  <6>[    0.521477] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit]

 2352 19:40:15.086058  <6>[    0.522087] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit]

 2353 19:40:15.092903  <6>[    0.523081] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100

 2354 19:40:15.099796  <6>[    0.524079] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500

 2355 19:40:15.107922  <6>[    0.524517] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit]

 2356 19:40:15.114498  <6>[    0.525191] pci 0000:00:1f.1: reg 0x20: [io  0x1040-0x105f]

 2357 19:40:15.121250  <6>[    0.527341] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000

 2358 19:40:15.129146  <6>[    0.527688] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit]

 2359 19:40:15.138808  <6>[    0.528830] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256)

 2360 19:40:15.147143  <6>[    0.529597] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128)

 2361 19:40:15.154107  <6>[    0.531040] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold

 2362 19:40:15.160120  <6>[    0.533301] pci 0000:00:14.0: PCI bridge to [bus 01]

 2363 19:40:15.168164  <6>[    0.534463] pci 0000:00:14.0:   bridge window [mem 0xc2a00000-0xc2afffff]

 2364 19:40:15.172935  <6>[    0.541303] ACPI: EC: interrupt unblocked

 2365 19:40:15.178074  <6>[    0.541451] ACPI: EC: event unblocked

 2366 19:40:15.183416  <6>[    0.541811] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2367 19:40:15.186934  <6>[    0.542271] ACPI: EC: GPE=0x2b

 2368 19:40:15.195050  <6>[    0.542454] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete

 2369 19:40:15.204151  <6>[    0.543073] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events

 2370 19:40:15.209446  <6>[    0.544530] iommu: Default domain type: Translated 

 2371 19:40:15.217083  <6>[    0.545519] pci 0000:00:02.0: vgaarb: setting as boot VGA device

 2372 19:40:15.226499  <6>[    0.546072] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none

 2373 19:40:15.232782  <6>[    0.546473] pci 0000:00:02.0: vgaarb: bridge control possible

 2374 19:40:15.236111  <6>[    0.546986] vgaarb: loaded

 2375 19:40:15.240921  <5>[    0.547759] SCSI subsystem initialized

 2376 19:40:15.245509  <6>[    0.548516] ACPI: bus type USB registered

 2377 19:40:15.251880  <6>[    0.548962] usbcore: registered new interface driver usbfs

 2378 19:40:15.258003  <6>[    0.549485] usbcore: registered new interface driver hub

 2379 19:40:15.264802  <6>[    0.549988] usbcore: registered new device driver usb

 2380 19:40:15.269212  <6>[    0.550550] mc: Linux media interface: v0.10

 2381 19:40:15.275346  <6>[    0.550962] videodev: Linux video capture interface: v2.00

 2382 19:40:15.281423  <6>[    0.551480] pps_core: LinuxPPS API ver. 1 registered

 2383 19:40:15.292239  <6>[    0.551920] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

 2384 19:40:15.297038  <6>[    0.552460] PTP clock support registered

 2385 19:40:15.304694  <6>[    0.553674] Advanced Linux Sound Architecture Driver Initialized.

 2386 19:40:15.308329  <6>[    0.555292] NetLabel: Initializing

 2387 19:40:15.313099  <6>[    0.555452] NetLabel:  domain hash size = 128

 2388 19:40:15.319823  <6>[    0.555842] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO

 2389 19:40:15.326198  <6>[    0.556406] NetLabel:  unlabeled traffic allowed by default

 2390 19:40:15.331273  <6>[    0.556570] PCI: Using ACPI for IRQ routing

 2391 19:40:15.339339  <4>[    0.587151] Expanded resource Reserved due to conflict with PCI Bus 0000:00

 2392 19:40:15.346341  <6>[    0.588569] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0

 2393 19:40:15.353160  <6>[    0.589137] hpet0: 8 comparators, 64-bit 19.200000 MHz counter

 2394 19:40:15.360493  <6>[    0.592552] clocksource: Switched to clocksource tsc-early

 2395 19:40:15.364083  <5>[    0.978518] VFS: Disk quotas dquot_6.6.0

 2396 19:40:15.372942  <6>[    0.978941] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

 2397 19:40:15.376262  <6>[    0.979919] pnp: PnP ACPI init

 2398 19:40:15.383263  <6>[    0.980867] system 00:00: [io  0x0900-0x09fe] has been reserved

 2399 19:40:15.388917  <6>[    0.981637] system 00:01: [io  0x0200] has been reserved

 2400 19:40:15.395262  <6>[    0.982130] system 00:01: [io  0x0204] has been reserved

 2401 19:40:15.402737  <6>[    0.982604] system 00:01: [io  0x0800-0x087f] has been reserved

 2402 19:40:15.409104  <6>[    0.983140] system 00:01: [io  0x0880-0x08ff] has been reserved

 2403 19:40:15.413725  <6>[    0.985667] pnp: PnP ACPI: found 3 devices

 2404 19:40:15.424416  <6>[    0.999498] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns

 2405 19:40:15.429530  <6>[    1.000383] NET: Registered protocol family 2

 2406 19:40:15.437940  <6>[    1.000971] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)

 2407 19:40:15.448177  <6>[    1.003012] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear)

 2408 19:40:15.456793  <6>[    1.004011] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)

 2409 19:40:15.465245  <6>[    1.004929] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear)

 2410 19:40:15.473660  <6>[    1.007532] TCP: Hash tables configured (established 32768 bind 32768)

 2411 19:40:15.481871  <6>[    1.008607] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear)

 2412 19:40:15.489667  <6>[    1.009588] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2413 19:40:15.498071  <6>[    1.010473] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2414 19:40:15.503093  <6>[    1.011568] NET: Registered protocol family 1

 2415 19:40:15.511276  <6>[    1.012707] RPC: Registered named UNIX socket transport module.

 2416 19:40:15.515516  <6>[    1.013281] RPC: Registered udp transport module.

 2417 19:40:15.521176  <6>[    1.013700] RPC: Registered tcp transport module.

 2418 19:40:15.528762  <6>[    1.014138] RPC: Registered tcp NFSv4.1 backchannel transport module.

 2419 19:40:15.533800  <6>[    1.015258] NET: Registered protocol family 44

 2420 19:40:15.540400  <6>[    1.015687] pci 0000:00:14.0: PCI bridge to [bus 01]

 2421 19:40:15.547755  <6>[    1.016166] pci 0000:00:14.0:   bridge window [mem 0xc2a00000-0xc2afffff]

 2422 19:40:15.555720  <6>[    1.016774] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]

 2423 19:40:15.562858  <6>[    1.017322] pci_bus 0000:00: resource 5 [io  0x1000-0xffff window]

 2424 19:40:15.569933  <6>[    1.017868] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]

 2425 19:40:15.577836  <6>[    1.018543] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window]

 2426 19:40:15.586334  <6>[    1.019157] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window]

 2427 19:40:15.593163  <6>[    1.019766] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff]

 2428 19:40:15.603096  <6>[    1.020526] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]

 2429 19:40:15.608176  <6>[    1.023459] PCI: CLS 64 bytes, default 64

 2430 19:40:15.611767  <6>[    1.024198] Unpacking initramfs...

 2431 19:40:15.616542  <6>[    1.300098] Freeing initrd memory: 10248K

 2432 19:40:15.624422  <6>[    1.300475] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)

 2433 19:40:15.633952  <6>[    1.301115] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB)

 2434 19:40:15.642178  <6>[    1.302089] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer

 2435 19:40:15.648789  <6>[    1.302778] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules

 2436 19:40:15.656164  <6>[    1.303311] RAPL PMU: hw unit of domain package 2^-14 Joules

 2437 19:40:15.662846  <6>[    1.303815] RAPL PMU: hw unit of domain dram 2^-14 Joules

 2438 19:40:15.668750  <6>[    1.304317] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules

 2439 19:40:15.673956  <3>[    1.305890] kvm: already loaded the other module

 2440 19:40:15.685840  <6>[    1.306368] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns

 2441 19:40:15.691949  <6>[    1.307270] clocksource: Switched to clocksource tsc

 2442 19:40:15.700048  <6>[    1.307809] platform rtc_cmos: registered platform RTC device (no PNP device found)

 2443 19:40:15.708180  <6>[    1.310568] check: Scanning for low memory corruption every 60 seconds

 2444 19:40:15.713141  <5>[    1.313355] Initialise system trusted keyrings

 2445 19:40:15.720811  <6>[    1.314041] workingset: timestamp_bits=56 max_order=20 bucket_order=0

 2446 19:40:15.726670  <5>[    1.329077] NFS: Registering the id_resolver key type

 2447 19:40:15.731702  <5>[    1.329577] Key type id_resolver registered

 2448 19:40:15.736035  <5>[    1.330001] Key type id_legacy registered

 2449 19:40:15.740793  <5>[    1.341409] Key type asymmetric registered

 2450 19:40:15.746597  <5>[    1.341816] Asymmetric key parser 'x509' registered

 2451 19:40:15.755553  <6>[    1.342334] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)

 2452 19:40:15.761411  <6>[    1.343002] io scheduler mq-deadline registered

 2453 19:40:15.765467  <6>[    1.343416] io scheduler kyber registered

 2454 19:40:15.770750  <4>[    1.344014] test_firmware: interface ready

 2455 19:40:15.777391  <6>[    1.345097] pcieport 0000:00:14.0: PME: Signaling with IRQ 120

 2456 19:40:15.783194  <6>[    1.346689] ACPI: AC Adapter [AC] (on-line)

 2457 19:40:15.794732  <6>[    1.347371] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0

 2458 19:40:15.798873  <6>[    1.348882] ACPI: Lid Switch [LID0]

 2459 19:40:15.808509  <6>[    1.349385] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1

 2460 19:40:15.813154  <6>[    1.350257] ACPI: Power Button [PWRB]

 2461 19:40:15.823059  <6>[    1.350747] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2

 2462 19:40:15.827122  <6>[    1.351630] ACPI: Sleep Button [SLP]

 2463 19:40:15.835674  <6>[    1.352129] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3

 2464 19:40:15.840327  <6>[    1.352931] ACPI: Power Button [PWRF]

 2465 19:40:15.845345  <6>[    1.353471] ACPI: \_PR_.CP00: Found 3 idle states

 2466 19:40:15.850699  <6>[    1.354544] ACPI: \_PR_.CP01: Found 3 idle states

 2467 19:40:15.856304  <6>[    1.355354] ACPI: \_PR_.CP02: Found 3 idle states

 2468 19:40:15.862427  <6>[    1.356152] ACPI: \_PR_.CP03: Found 3 idle states

 2469 19:40:15.869173  <6>[    1.357994] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled

 2470 19:40:15.876240  <6>[    1.360567] battery: ACPI: Battery Slot [BAT0] (battery present)

 2471 19:40:15.882006  <6>[    1.360799] Non-volatile memory driver v1.3

 2472 19:40:15.886095  <6>[    1.361682] Linux agpgart interface v0.103

 2473 19:40:15.892189  <6>[    1.362396] ACPI: bus type drm_connector registered

 2474 19:40:15.898175  <6>[    1.363000] [drm] amdgpu kernel modesetting enabled.

 2475 19:40:15.904119  <6>[    1.366009] i915 0000:00:02.0: vgaarb: deactivate vga console

 2476 19:40:15.914274  <6>[    1.420247] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xc30a

 2477 19:40:15.921933  <6>[    1.421059] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT)

 2478 19:40:15.932996  <6>[    1.421788] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem

 2479 19:40:15.943090  <4>[    1.423117] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2

 2480 19:40:15.956161  <5>[    1.424009] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management.

 2481 19:40:15.971654  <5>[    1.425011] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915

 2482 19:40:15.980120  <6>[    1.471159] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0

 2483 19:40:15.987261  <6>[    1.474345] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1

 2484 19:40:15.990744  <6>[    1.485351] loop: module loaded

 2485 19:40:15.998362  <6>[    1.486210] lkdtm: No crash points registered, enable through debugfs

 2486 19:40:16.008272  <6>[    1.529705] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A

 2487 19:40:16.017690  <6>[    1.532820] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A

 2488 19:40:16.022570  <6>[    1.535491] printk: console [ttyS2] disabled

 2489 19:40:16.032887  <6>[    1.536218] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A

 2490 19:40:16.121090  <6>[    4.821764] printk: console [ttyS2] enabled

 2491 19:40:16.127237  <6>[    4.821951] fbcon: i915drmfb (fb0) is primary device

 2492 19:40:16.134970  <4>[    4.823718] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO

 2493 19:40:16.140884  <6>[    4.831369] e100: Intel(R) PRO/100 Network Driver

 2494 19:40:16.147324  <6>[    4.831373] e100: Copyright(c) 1999-2006 Intel Corporation

 2495 19:40:16.153265  <6>[    4.831419] e1000: Intel(R) PRO/1000 Network Driver

 2496 19:40:16.160484  <6>[    4.831421] e1000: Copyright (c) 1999-2006 Intel Corporation.

 2497 19:40:16.165428  <6>[    4.831478] e1000e: Intel(R) PRO/1000 Network Driver

 2498 19:40:16.172222  <6>[    4.831479] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

 2499 19:40:16.178808  <6>[    4.831542] igb: Intel(R) Gigabit Ethernet Network Driver

 2500 19:40:16.185453  <6>[    4.831544] igb: Copyright (c) 2007-2014 Intel Corporation.

 2501 19:40:16.189565  <6>[    4.831590] sky2: driver version 1.30

 2502 19:40:16.196321  <6>[    4.831815] usbcore: registered new interface driver r8152

 2503 19:40:16.204797  <6>[    4.832233] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

 2504 19:40:16.209200  <6>[    4.832249] ehci-pci: EHCI PCI platform driver

 2505 19:40:16.216641  <6>[    4.832309] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

 2506 19:40:16.221456  <6>[    4.832321] ohci-pci: OHCI PCI platform driver

 2507 19:40:16.228706  <6>[    4.832364] uhci_hcd: USB Universal Host Controller Interface driver

 2508 19:40:16.235169  <6>[    4.833748] xhci_hcd 0000:00:15.0: xHCI Host Controller

 2509 19:40:16.243681  <6>[    4.834648] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1

 2510 19:40:16.253926  <6>[    4.835867] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810

 2511 19:40:16.261950  <6>[    4.835923] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported

 2512 19:40:16.267846  <6>[    4.837096] xhci_hcd 0000:00:15.0: xHCI Host Controller

 2513 19:40:16.276639  <6>[    4.837506] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2

 2514 19:40:16.283702  <6>[    4.837518] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed

 2515 19:40:16.293918  <6>[    4.837864] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10

 2516 19:40:16.302423  <6>[    4.837877] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2517 19:40:16.307655  <6>[    4.837880] usb usb1: Product: xHCI Host Controller

 2518 19:40:16.314957  <6>[    4.837882] usb usb1: Manufacturer: Linux 5.10.206-cip41 xhci-hcd

 2519 19:40:16.320935  <6>[    4.837884] usb usb1: SerialNumber: 0000:00:15.0

 2520 19:40:16.324909  <6>[    4.839024] hub 1-0:1.0: USB hub found

 2521 19:40:16.329939  <6>[    4.839126] hub 1-0:1.0: 8 ports detected

 2522 19:40:16.339941  <6>[    4.840593] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10

 2523 19:40:16.347696  <6>[    4.840597] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2524 19:40:16.354203  <6>[    4.840600] usb usb2: Product: xHCI Host Controller

 2525 19:40:16.360810  <6>[    4.840602] usb usb2: Manufacturer: Linux 5.10.206-cip41 xhci-hcd

 2526 19:40:16.366172  <6>[    4.840604] usb usb2: SerialNumber: 0000:00:15.0

 2527 19:40:16.370531  <6>[    4.841289] hub 2-0:1.0: USB hub found

 2528 19:40:16.376069  <6>[    4.841323] hub 2-0:1.0: 7 ports detected

 2529 19:40:16.383046  <6>[    4.842483] usbcore: registered new interface driver usblp

 2530 19:40:16.389333  <6>[    4.842528] usbcore: registered new interface driver usb-storage

 2531 19:40:16.398824  <6>[    4.842900] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers

 2532 19:40:16.407062  <6>[    4.843027] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1

 2533 19:40:16.418627  <4>[    4.843029] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp

 2534 19:40:16.423520  <4>[    4.843615] i8042: Warning: Keylock active

 2535 19:40:16.429548  <6>[    4.843858] serio: i8042 KBD port at 0x60,0x64 irq 1

 2536 19:40:16.435588  <6>[    4.845719] rtc_cmos rtc_cmos: RTC can wake from S4

 2537 19:40:16.440995  <6>[    4.847802] rtc_cmos rtc_cmos: registered as rtc0

 2538 19:40:16.449587  <6>[    4.847970] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram

 2539 19:40:16.458499  <6>[    4.848481] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4

 2540 19:40:16.466163  <4>[    4.849798] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A

 2541 19:40:16.472368  <4>[    4.849803] i801_smbus 0000:00:1f.1: PCI INT A: no GSI

 2542 19:40:16.479782  <6>[    4.849838] i801_smbus 0000:00:1f.1: SPD Write Disable is set

 2543 19:40:16.488392  <3>[    4.849916] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer)

 2544 19:40:16.495489  <3>[    4.849965] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16

 2545 19:40:16.501852  <6>[    4.849967] i801_smbus 0000:00:1f.1: SMBus using polling

 2546 19:40:16.510955  <6>[    4.850961] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com

 2547 19:40:16.518082  <6>[    4.851058] intel_pstate: Intel P-state driver initializing

 2548 19:40:16.525240  <6>[    4.853264] sdhci: Secure Digital Host Controller Interface driver

 2549 19:40:16.530965  <6>[    4.853271] sdhci: Copyright(c) Pierre Ossman

 2550 19:40:16.538843  <6>[    4.853453] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2551 19:40:16.547050  <6>[    4.859835] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b)

 2552 19:40:16.555064  <6>[    4.864740] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit

 2553 19:40:16.561107  <6>[    4.865650] hid: raw HID events driver (C) Jiri Kosina

 2554 19:40:16.568016  <6>[    4.867774] usbcore: registered new interface driver usbhid

 2555 19:40:16.572912  <6>[    4.867779] usbhid: USB HID core driver

 2556 19:40:16.579595  <6>[    4.868693] Console: switching to colour frame buffer device 240x67

 2557 19:40:16.593820  <6>[    4.869656] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5

 2558 19:40:16.600387  <6>[    4.876346] cros_ec_lpcs GOOG0004:00: Chrome EC device registered

 2559 19:40:16.611345  <6>[    4.879798] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100

 2560 19:40:16.620786  <6>[    4.884274] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops)

 2561 19:40:16.628107  <6>[    4.885023] ipip: IPv4 and MPLS over IPv4 tunneling driver

 2562 19:40:16.632089  <6>[    4.886323] IPv4 over IPsec tunneling driver

 2563 19:40:16.637316  <6>[    4.887474] Initializing XFRM netlink socket

 2564 19:40:16.643103  <6>[    4.889099] NET: Registered protocol family 10

 2565 19:40:16.647316  <6>[    4.892886] Segment Routing with IPv6

 2566 19:40:16.652753  <6>[    4.896988] NET: Registered protocol family 17

 2567 19:40:16.657983  <6>[    4.897873] 8021q: 802.1Q VLAN Support v1.8

 2568 19:40:16.662865  <5>[    4.898246] Key type dns_resolver registered

 2569 19:40:16.670535  <3>[    4.905348] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up

 2570 19:40:16.677770  <6>[    4.909981] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device

 2571 19:40:16.685484  <6>[    5.093154] usb 1-5: new high-speed USB device number 2 using xhci_hcd

 2572 19:40:16.691359  <6>[    5.192318] mmc0: new HS400 MMC card at address 0001

 2573 19:40:16.697832  <6>[    5.197575] microcode: sig=0x506c9, pf=0x1, revision=0x2c

 2574 19:40:16.703398  <6>[    5.210550] mmcblk0: mmc0:0001 TA2964 58.3 GiB 

 2575 19:40:16.708692  <6>[    5.218674] microcode: Microcode Update Driver: v2.2.

 2576 19:40:16.715743  <6>[    5.224784] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB

 2577 19:40:16.720832  <6>[    5.229899] IPI shorthand broadcast: enabled

 2578 19:40:16.727978  <6>[    5.237985] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB

 2579 19:40:16.737234  <6>[    5.247637] sched_clock: Marking stable (5166520102, 80899214)->(5255317842, -7898526)

 2580 19:40:16.746344  <6>[    5.256675] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (245:0)

 2581 19:40:16.750600  <6>[    5.284763] registered taskstats version 1

 2582 19:40:16.759884  <6>[    5.347444] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04

 2583 19:40:16.765689  <5>[    5.350138] Loading compiled-in X.509 certificates

 2584 19:40:16.773884  <6>[    5.356753] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2

 2585 19:40:16.780472  <6>[    5.368283]  mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12

 2586 19:40:16.786154  <6>[    5.368721] usb 1-5: Product: USB2.0 HD UVC WebCam

 2587 19:40:16.795002  <6>[    5.376373] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2588 19:40:16.803219  <6>[    5.384871] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2589 19:40:16.807909  <6>[    5.389356] usb 1-5: Manufacturer: Quanta

 2590 19:40:16.812520  <6>[    5.406893] PM:   Magic number: 8:492:697

 2591 19:40:16.821273  <6>[    5.409522] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2592 19:40:16.825986  <6>[    5.409765] usb 1-5: SerialNumber: 0x0001

 2593 19:40:16.830672  <6>[    5.416465] pci 0000:00:00.2: hash matches

 2594 19:40:16.839218  <6>[    5.474107] usb 2-2: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2595 19:40:16.844700  <6>[    5.628405] printk: console [netcon0] enabled

 2596 19:40:16.850098  <6>[    5.633641] netconsole: network logging started

 2597 19:40:16.858413  <6>[    5.633750] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2598 19:40:16.876646  <6>[    5.656017] usb 2-2: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00

 2599 19:40:16.884651  <6>[    5.665505] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=6

 2600 19:40:16.890288  <6>[    5.673819] usb 2-2: Product: USB 10/100/1000 LAN

 2601 19:40:16.895952  <6>[    5.679408] usb 2-2: Manufacturer: Realtek

 2602 19:40:16.901065  <6>[    5.684318] usb 2-2: SerialNumber: 001000001

 2603 19:40:16.916738  <6>[    5.697352] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2604 19:40:16.988009  <6>[    5.769237] usb 1-6: new full-speed USB device number 3 using xhci_hcd

 2605 19:40:17.125739  <6>[    5.905036] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03

 2606 19:40:17.134069  <6>[    5.914537] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0

 2607 19:40:17.147633  <6>[    5.928095] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2608 19:40:17.240568  <6>[    6.020860] usb 2-2: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2609 19:40:17.287563  <6>[    6.068759] r8152 2-2:1.0: load rtl8153b-2 v2 04/27/23 successfully

 2610 19:40:17.323993  <6>[    6.108096] r8152 2-2:1.0 eth0: v1.11.11

 2611 19:40:17.333309  <6>[    6.113861] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2612 19:40:18.939249  <6>[    7.723099] r8152 2-2:1.0 eth0: carrier on

 2613 19:40:18.946827  <6>[    7.728417] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

 2614 19:40:21.164451  <5>[    7.740035] Sending DHCP requests .., OK

 2615 19:40:21.173331  <6>[    9.953035] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.17

 2616 19:40:21.177873  <6>[    9.962352] IP-Config: Complete:

 2617 19:40:21.189367  <6>[    9.966300]      device=eth0, hwaddr=00:e0:4c:78:86:ca, ipaddr=192.168.201.17, mask=255.255.255.0, gw=192.168.201.1

 2618 19:40:21.199104  <6>[    9.978288]      host=asus-c523na-a20057-coral-cbg-1, domain=lava-rack, nis-domain=(none)

 2619 19:40:21.207139  <6>[    9.987743]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

 2620 19:40:21.212284  <6>[    9.987751]      nameserver0=192.168.201.1

 2621 19:40:21.222027  <5>[   10.001829] cfg80211: Loading compiled-in X.509 certificates for regulatory database

 2622 19:40:21.244067  <6>[   10.025436] modprobe (102) used greatest stack depth: 14120 bytes left

 2623 19:40:21.259656  <5>[   10.040946] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'

 2624 19:40:21.270273  <5>[   10.049637] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600'

 2625 19:40:21.281118  <4>[   10.060152] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2

 2626 19:40:21.285063  <6>[   10.060550] ALSA device list:

 2627 19:40:21.291239  <6>[   10.070380] cfg80211: failed to load regulatory.db

 2628 19:40:21.294802  <6>[   10.074031]   No soundcards found.

 2629 19:40:21.304007  <4>[   10.085392] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console

 2630 19:40:21.325208  <6>[   10.107081] Freeing unused kernel image (initmem) memory: 2172K

 2631 19:40:21.343191  <6>[   10.125380] Write protecting the kernel read-only data: 36864k

 2632 19:40:21.355363  <6>[   10.136537] Freeing unused kernel image (text/rodata gap) memory: 2028K

 2633 19:40:21.365255  <6>[   10.146303] Freeing unused kernel image (rodata/data gap) memory: 1312K

 2634 19:40:21.370094  <6>[   10.154529] Run /init as init process

 2635 19:40:21.399156  Loading, please wait...

 2636 19:40:21.458506  Starting version 247.3-7+deb11u2

 2637 19:40:21.466121  <6>[   10.246688] systemd-udevd (124) used greatest stack depth: 13816 bytes left

 2638 19:40:21.726707  <6>[   10.508000] udevadm (126) used greatest stack depth: 13624 bytes left

 2639 19:40:22.432998  <6>[   11.216389] chromeos ramoops using acpi device.

 2640 19:40:22.441421  <6>[   11.222150] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2641 19:40:22.463431  <6>[   11.243818] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2642 19:40:22.496697  <4>[   11.277316] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator

 2643 19:40:22.510737  <4>[   11.290776] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator

 2644 19:40:22.519395  <4>[   11.299501] i2c_hid i2c-WCOM50C1:00: supply vdd not found, using dummy regulator

 2645 19:40:22.534537  <4>[   11.314439] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer.

 2646 19:40:22.543986  <4>[   11.318656] i2c_hid i2c-WCOM50C1:00: supply vddl not found, using dummy regulator

 2647 19:40:22.551821  <6>[   11.326034] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2648 19:40:22.568237  <6>[   11.348699] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2649 19:40:22.644283  <4>[   11.422518] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk

 2650 19:40:22.652407  <4>[   11.434126] da7219 i2c-DLGS7219:00: Invalid micbias pulse level

 2651 19:40:22.660573  <6>[   11.439516] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2652 19:40:22.690504  <6>[   11.470871] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2653 19:40:22.822527  <6>[   11.603249] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2654 19:40:22.827436  <6>[   11.610676] Registered efivars operations

 2655 19:40:22.834312  <6>[   11.618605] gsmi version 1.0 loaded

 2656 19:40:23.603478  <3>[   12.385145] i2c_designware i2c_designware.5: controller timed out

 2657 19:40:23.645597  <4>[   12.426359] i2c_designware i2c_designware.5: timeout in disabling adapter

 2658 19:40:23.666398  <6>[   12.446449] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2659 19:40:23.675514  <6>[   12.452120] cros-usbpd-charger cros-usbpd-charger.2.auto: Could not get charger port count

 2660 19:40:23.683720  <6>[   12.463881] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2661 19:40:23.697386  <6>[   12.478067] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (0408:3090)

 2662 19:40:23.705736  <6>[   12.482304] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2663 19:40:23.721760  <6>[   12.498775] 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

 2664 19:40:23.730528  <6>[   12.503334] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2665 19:40:23.737215  <6>[   12.515604] usbcore: registered new interface driver uvcvideo

 2666 19:40:23.742407  <6>[   12.525988] USB Video Class driver (1.1.1)

 2667 19:40:23.750579  <6>[   12.527749] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 2668 19:40:23.771890  <6>[   12.553230] udevadm (144) used greatest stack depth: 13400 bytes left

 2669 19:40:23.776354  Begin: Loading essential drivers ... done.

 2670 19:40:23.782819  Begin: Running /scripts/init-premount ... done.

 2671 19:40:23.790843  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

 2672 19:40:23.800451  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

 2673 19:40:23.803441  Device /sys/class/net/eth0 found

 2674 19:40:23.804084  done.

 2675 19:40:23.871108  IP-Config: eth0 hardware address 00:e0:4c:78:86:ca mtu 1500 DHCP

 2676 19:40:23.879172  IP-Config: eth0 complete (dhcp from 192.168.201.1):

 2677 19:40:23.887759   address: 192.168.201.17   broadcast: 192.168.201.255  netmask: 255.255.255.0   

 2678 19:40:23.895092   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         

 2679 19:40:23.903207   host   : asus-c523na-a20057-coral-cbg-1                                  

 2680 19:40:23.910245   domain : lava-rack                                                       

 2681 19:40:23.914092   rootserver: 192.168.201.1 rootpath: 

 2682 19:40:23.915337   filename  : 

 2683 19:40:23.968501  <6>[   12.749676] nfsmount (173) used greatest stack depth: 12536 bytes left

 2684 19:40:23.969234  done.

 2685 19:40:23.985068  Begin: Running /scripts/nfs-bottom ... done.

 2686 19:40:24.026535  Begin: Running /scripts/init-bottom ... done.

 2687 19:40:24.686511  <4>[   13.467326] i2c_designware i2c_designware.5: timeout in disabling adapter

 2688 19:40:25.305363  SELinux:  Could not open policy file <= /etc/selinux/targeted/policy/policy.33:  No such file or directory

 2689 19:40:25.624537  <30>[   14.387550] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified)

 2690 19:40:25.645770  <30>[   14.428708] systemd[1]: Detected architecture x86-64.

 2691 19:40:25.670336  

 2692 19:40:25.674643  Welcome to Debian GNU/Linux 11 (bullseye)!

 2693 19:40:25.674741  

 2694 19:40:25.686574  <30>[   14.468224] systemd[1]: Set hostname to <debian-bullseye-amd64>.

 2695 19:40:26.826054  <30>[   15.606124] systemd[1]: Queued start job for default target Graphical Interface.

 2696 19:40:26.841620  <30>[   15.623696] systemd[1]: Created slice system-getty.slice.

 2697 19:40:26.849221  [  OK  ] Created slice system-getty.slice.

 2698 19:40:26.860206  <30>[   15.642263] systemd[1]: Created slice system-modprobe.slice.

 2699 19:40:26.867895  [  OK  ] Created slice system-modprobe.slice.

 2700 19:40:26.879685  <30>[   15.661243] systemd[1]: Created slice system-serial\x2dgetty.slice.

 2701 19:40:26.888358  [  OK  ] Created slice system-serial\x2dgetty.slice.

 2702 19:40:26.898230  <30>[   15.680137] systemd[1]: Created slice User and Session Slice.

 2703 19:40:26.905682  [  OK  ] Created slice User and Session Slice.

 2704 19:40:26.919169  <30>[   15.698806] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

 2705 19:40:26.929041  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

 2706 19:40:26.939424  <30>[   15.719462] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

 2707 19:40:26.949769  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

 2708 19:40:26.963997  <30>[   15.741725] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.

 2709 19:40:26.973473  [  OK  ] Set up automount Arbitrary…s File System Automount Point.

 2710 19:40:26.983819  <30>[   15.765739] systemd[1]: Reached target Local Encrypted Volumes.

 2711 19:40:26.991615  [  OK  ] Reached target Local Encrypted Volumes.

 2712 19:40:26.999064  <30>[   15.782735] systemd[1]: Reached target Paths.

 2713 19:40:27.005639  [  OK  ] Reached target Paths.

 2714 19:40:27.012337  <30>[   15.794590] systemd[1]: Reached target Remote File Systems.

 2715 19:40:27.020012  [  OK  ] Reached target Remote File Systems.

 2716 19:40:27.028270  <30>[   15.811593] systemd[1]: Reached target Slices.

 2717 19:40:27.034713  [  OK  ] Reached target Slices.

 2718 19:40:27.039828  <30>[   15.823582] systemd[1]: Reached target Swap.

 2719 19:40:27.046252  [  OK  ] Reached target Swap.

 2720 19:40:27.055606  <30>[   15.836806] systemd[1]: Listening on initctl Compatibility Named Pipe.

 2721 19:40:27.064420  [  OK  ] Listening on initctl Compatibility Named Pipe.

 2722 19:40:27.076397  <30>[   15.858573] systemd[1]: Listening on Journal Audit Socket.

 2723 19:40:27.083657  [  OK  ] Listening on Journal Audit Socket.

 2724 19:40:27.096595  <30>[   15.878464] systemd[1]: Listening on Journal Socket (/dev/log).

 2725 19:40:27.104309  [  OK  ] Listening on Journal Socket (/dev/log).

 2726 19:40:27.115058  <30>[   15.897402] systemd[1]: Listening on Journal Socket.

 2727 19:40:27.121011  [  OK  ] Listening on Journal Socket.

 2728 19:40:27.132113  <30>[   15.913408] systemd[1]: Listening on Network Service Netlink Socket.

 2729 19:40:27.140359  [  OK  ] Listening on Network Service Netlink Socket.

 2730 19:40:27.154310  <30>[   15.936804] systemd[1]: Listening on udev Control Socket.

 2731 19:40:27.161685  [  OK  ] Listening on udev Control Socket.

 2732 19:40:27.172698  <30>[   15.955033] systemd[1]: Listening on udev Kernel Socket.

 2733 19:40:27.179683  [  OK  ] Listening on udev Kernel Socket.

 2734 19:40:27.196389  <30>[   15.978670] systemd[1]: Mounting Huge Pages File System...

 2735 19:40:27.202508           Mounting Huge Pages File System...

 2736 19:40:27.219367  <30>[   16.000730] systemd[1]: Mounting POSIX Message Queue File System...

 2737 19:40:27.226310           Mounting POSIX Message Queue File System...

 2738 19:40:27.240189  <30>[   16.022294] systemd[1]: Mounting Kernel Debug File System...

 2739 19:40:27.246626           Mounting Kernel Debug File System...

 2740 19:40:27.262477  <30>[   16.044456] systemd[1]: Mounting Kernel Trace File System...

 2741 19:40:27.268633           Mounting Kernel Trace File System...

 2742 19:40:27.295435  <30>[   16.074347] systemd[1]: Starting Create list of static device nodes for the current kernel...

 2743 19:40:27.304018           Starting Create list of st…odes for the current kernel...

 2744 19:40:27.319326  <30>[   16.100904] systemd[1]: Starting Load Kernel Module configfs...

 2745 19:40:27.325671           Starting Load Kernel Module configfs...

 2746 19:40:27.341870  <30>[   16.123983] systemd[1]: Starting Load Kernel Module drm...

 2747 19:40:27.349508  <6>[   16.129871] mount (201) used greatest stack depth: 12384 bytes left

 2748 19:40:27.355263           Starting Load Kernel Module drm...

 2749 19:40:27.369712  <30>[   16.151888] systemd[1]: Starting Load Kernel Module fuse...

 2750 19:40:27.376041           Starting Load Kernel Module fuse...

 2751 19:40:27.394722  <30>[   16.173002] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

 2752 19:40:27.431458  <30>[   16.214549] systemd[1]: Starting Journal Service...

 2753 19:40:27.438497           Starting Journal Service...

 2754 19:40:27.452289  <6>[   16.236226] fuse: init (API version 7.32)

 2755 19:40:27.460762  <30>[   16.243458] systemd[1]: Starting Load Kernel Modules...

 2756 19:40:27.467311           Starting Load Kernel Modules...

 2757 19:40:27.482524  <30>[   16.263587] systemd[1]: Starting Remount Root and Kernel File Systems...

 2758 19:40:27.491085           Starting Remount Root and Kernel File Systems...

 2759 19:40:27.509186  <30>[   16.291102] systemd[1]: Starting Coldplug All udev Devices...

 2760 19:40:27.515787           Starting Coldplug All udev Devices...

 2761 19:40:27.542064  <30>[   16.324509] systemd[1]: Mounted Huge Pages File System.

 2762 19:40:27.548985  [  OK  ] Mounted Huge Pages File System.

 2763 19:40:27.559934  <30>[   16.341635] systemd[1]: Mounted POSIX Message Queue File System.

 2764 19:40:27.568086  [  OK  ] Mounted POSIX Message Queue File System.

 2765 19:40:27.577616  <30>[   16.359980] systemd[1]: Mounted Kernel Debug File System.

 2766 19:40:27.584583  [  OK  ] Mounted Kernel Debug File System.

 2767 19:40:27.596747  <30>[   16.378524] systemd[1]: Mounted Kernel Trace File System.

 2768 19:40:27.603298  [  OK  ] Mounted Kernel Trace File System.

 2769 19:40:27.641908  <30>[   16.421101] systemd[1]: Finished Create list of static device nodes for the current kernel.

 2770 19:40:27.652993  [  OK  ] Finished Create list of st… nodes for the current kernel.

 2771 19:40:27.664881  <30>[   16.446992] systemd[1]: modprobe@configfs.service: Succeeded.

 2772 19:40:27.674527  <30>[   16.456436] systemd[1]: Finished Load Kernel Module configfs.

 2773 19:40:27.681976  [  OK  ] Finished Load Kernel Module configfs.

 2774 19:40:27.694260  <30>[   16.476764] systemd[1]: modprobe@drm.service: Succeeded.

 2775 19:40:27.703216  <30>[   16.485645] systemd[1]: Finished Load Kernel Module drm.

 2776 19:40:27.710562  [  OK  ] Finished Load Kernel Module drm.

 2777 19:40:27.723735  <30>[   16.505864] systemd[1]: modprobe@fuse.service: Succeeded.

 2778 19:40:27.732655  <30>[   16.515022] systemd[1]: Finished Load Kernel Module fuse.

 2779 19:40:27.739909  [  OK  ] Finished Load Kernel Module fuse.

 2780 19:40:27.751944  <30>[   16.534801] systemd[1]: Finished Load Kernel Modules.

 2781 19:40:27.758915  [  OK  ] Finished Load Kernel Modules.

 2782 19:40:27.772457  <30>[   16.553673] systemd[1]: Finished Remount Root and Kernel File Systems.

 2783 19:40:27.781414  [  OK  ] Finished Remount Root and Kernel File Systems.

 2784 19:40:27.797419  <30>[   16.579570] systemd[1]: Mounting FUSE Control File System...

 2785 19:40:27.803901           Mounting FUSE Control File System...

 2786 19:40:27.820122  <30>[   16.601641] systemd[1]: Mounting Kernel Configuration File System...

 2787 19:40:27.827288           Mounting Kernel Configuration File System...

 2788 19:40:27.846885  <30>[   16.625598] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped.

 2789 19:40:27.858480  <30>[   16.636330] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped.

 2790 19:40:27.870560  <30>[   16.652986] systemd[1]: Starting Load/Save Random Seed...

 2791 19:40:27.877017           Starting Load/Save Random Seed...

 2792 19:40:27.890235  <30>[   16.672755] systemd[1]: Starting Apply Kernel Variables...

 2793 19:40:27.896527           Starting Apply Kernel Variables...

 2794 19:40:27.912160  <30>[   16.694781] systemd[1]: Starting Create System Users...

 2795 19:40:27.918285           Starting Create System Users...

 2796 19:40:27.931459  <30>[   16.713863] systemd[1]: Mounted FUSE Control File System.

 2797 19:40:27.938675  [  OK  ] Mounted FUSE Control File System.

 2798 19:40:27.960368  <30>[   16.741852] systemd[1]: Mounted Kernel Configuration File System.

 2799 19:40:27.969920  [  OK  ] Mounted Kernel Configuration File System.

 2800 19:40:27.988102  <30>[   16.770198] systemd[1]: Finished Load/Save Random Seed.

 2801 19:40:27.995043  [  OK  ] Finished Load/Save Random Seed.

 2802 19:40:28.005683  <30>[   16.785398] systemd[1]: Condition check resulted in First Boot Complete being skipped.

 2803 19:40:28.032056  <30>[   16.814380] systemd[1]: Finished Apply Kernel Variables.

 2804 19:40:28.039030  [  OK  ] Finished Apply Kernel Variables.

 2805 19:40:28.152206  <30>[   16.934701] systemd[1]: Finished Create System Users.

 2806 19:40:28.158975  [  OK  ] Finished Create System Users.

 2807 19:40:28.175747  <30>[   16.956705] systemd[1]: Starting Create Static Device Nodes in /dev...

 2808 19:40:28.183280           Starting Create Static Device Nodes in /dev...

 2809 19:40:28.267333  <30>[   17.050562] systemd[1]: Started Journal Service.

 2810 19:40:28.273873  [  OK  ] Started Journal Service.

 2811 19:40:28.298283           Starting Flush Journal to Persistent Storage...

 2812 19:40:28.332862  [  OK  ] Finished Create Static Device Nodes in /dev.

 2813 19:40:28.344022  [  OK  ] Reached target Local File Systems (Pre).

 2814 19:40:28.353900  [  OK  ] Reached target Local File Systems.

 2815 19:40:28.387181           Starting Rule-based Manage…for Device Events<46>[   17.160955] systemd-journald[208]: Received client request to flush runtime journal.

 2816 19:40:28.388612   and Files...

 2817 19:40:28.958600  [  OK  ] Finished Coldplug All udev Devices.

 2818 19:40:29.957401  [  OK  ] Finished Flush Journal to Persistent Storage.

 2819 19:40:29.973582           Starting Create Volatile Files and Directories...

 2820 19:40:30.026733  [  OK  ] Started Rule-based Manager for Device Events and Files.

 2821 19:40:30.050638           Starting Network Service...

 2822 19:40:30.740509  [  OK  ] Created slice system-systemd\x2dbacklight.slice.

 2823 19:40:30.756882           Starting Load/Save Screen …f backlight:intel_backlight...

 2824 19:40:30.895601  [  OK  ] Found device Celeron N3350…3900 Series HSUART Controller.

 2825 19:40:31.321116  [  OK  ] Finished Create Volatile Files and Directories.

 2826 19:40:31.338003  [  OK  ] Finished Load/Save Screen … of backlight:intel_backlight.

 2827 19:40:31.573378  [  OK  ] Started Network Service.

 2828 19:40:31.646600  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 2829 19:40:31.674186           Starting Network Name Resolution...

 2830 19:40:31.713763           Starting Network Time Synchronization...

 2831 19:40:31.730571           Starting Update UTMP about System Boot/Shutdown...

 2832 19:40:31.813538  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 2833 19:40:32.268833  [  OK  ] Started Network Time Synchronization.

 2834 19:40:32.280174  [  OK  ] Reached target System Initialization.

 2835 19:40:32.291101  [  OK  ] Started Daily Cleanup of Temporary Directories.

 2836 19:40:32.299963  [  OK  ] Reached target System Time Set.

 2837 19:40:32.312517  [  OK  ] Reached target System Time Synchronized.

 2838 19:40:32.362447  [  OK  ] Started Daily apt download activities.

 2839 19:40:32.383277  [  OK  ] Started Daily apt upgrade and clean activities.

 2840 19:40:32.443972  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 2841 19:40:32.485184  [  OK  ] Started Discard unused blocks once a week.

 2842 19:40:32.492685  [  OK  ] Reached target Timers.

 2843 19:40:32.526628  [  OK  ] Listening on D-Bus System Message Bus Socket.

 2844 19:40:32.535776  [  OK  ] Reached target Sockets.

 2845 19:40:32.543190  [  OK  ] Reached target Basic System.

 2846 19:40:32.561311  [  OK  ] Started D-Bus System Message Bus.

 2847 19:40:32.663336           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 2848 19:40:32.767926           Starting User Login Management...

 2849 19:40:32.971070  [  OK  ] Started Network Name Resolution.

 2850 19:40:32.980263  [  OK  ] Reached target Network.

 2851 19:40:32.991202  [  OK  ] Reached target Host and Network Name Lookups.

 2852 19:40:33.006528           Starting Permit User Sessions...

 2853 19:40:33.114801  [  OK  ] Finished Permit User Sessions.

 2854 19:40:33.134846  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 2855 19:40:33.155510  [  OK  ] Started Getty on tty1.

 2856 19:40:33.171693  [  OK  ] Started Serial Getty on ttyS2.

 2857 19:40:33.179456  [  OK  ] Reached target Login Prompts.

 2858 19:40:33.304436  [  OK  ] Started User Login Management.

 2859 19:40:33.318414  [  OK  ] Reached target Multi-User System.

 2860 19:40:33.329824  [  OK  ] Reached target Graphical Interface.

 2861 19:40:33.346585           Starting Update UTMP about System Runlevel Changes...

 2862 19:40:33.422841  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 2863 19:40:33.504842  

 2864 19:40:33.504941  

 2865 19:40:33.509499  Debian GNU/Linux 11 debian-bullseye-amd64 ttyS2

 2866 19:40:33.509582  

 2867 19:40:33.514694  debian-bullseye-amd64 login: root (automatic login)

 2868 19:40:33.514779  

 2869 19:40:33.514845  

 2870 19:40:34.050349  Linux debian-bullseye-amd64 5.10.206-cip41 #1 SMP Fri Jan 5 19:13:20 UTC 2024 x86_64

 2871 19:40:34.051062  

 2872 19:40:34.057968  The programs included with the Debian GNU/Linux system are free software;

 2873 19:40:34.064551  the exact distribution terms for each program are described in the

 2874 19:40:34.069562  individual files in /usr/share/doc/*/copyright.

 2875 19:40:34.069646  

 2876 19:40:34.076144  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 2877 19:40:34.078925  permitted by applicable law.

 2878 19:40:35.411175  Matched prompt #10: / #
 2880 19:40:35.411498  Kernel warnings or errors detected.
 2881 19:40:35.411567  Setting prompt string to ['/ #']
 2882 19:40:35.411660  end: 2.2.5.1 login-action (duration 00:00:23) [common]
 2884 19:40:35.411898  end: 2.2.5 auto-login-action (duration 00:00:25) [common]
 2885 19:40:35.411991  start: 2.2.6 expect-shell-connection (timeout 00:04:02) [common]
 2886 19:40:35.412062  Setting prompt string to ['/ #']
 2887 19:40:35.412123  Forcing a shell prompt, looking for ['/ #']
 2889 19:40:35.462357  / # 

 2890 19:40:35.462548  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 2891 19:40:35.462640  Waiting using forced prompt support (timeout 00:02:30)
 2892 19:40:35.465536  

 2893 19:40:35.468452  end: 2.2.6 expect-shell-connection (duration 00:00:00) [common]
 2894 19:40:35.468591  start: 2.2.7 export-device-env (timeout 00:04:02) [common]
 2896 19:40:35.569041  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12460431/extract-nfsrootfs-rpnsq1gt'

 2897 19:40:35.614877  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12460431/extract-nfsrootfs-rpnsq1gt'

 2899 19:40:35.715548  / # export NFS_SERVER_IP='192.168.201.1'

 2900 19:40:35.717972  export NFS_SERVER_IP='192.168.201.1'

 2901 19:40:35.721002  end: 2.2.7 export-device-env (duration 00:00:00) [common]
 2902 19:40:35.721132  end: 2.2 depthcharge-retry (duration 00:00:58) [common]
 2903 19:40:35.721227  end: 2 depthcharge-action (duration 00:00:58) [common]
 2904 19:40:35.721318  start: 3 lava-test-retry (timeout 00:08:34) [common]
 2905 19:40:35.721406  start: 3.1 lava-test-shell (timeout 00:08:34) [common]
 2906 19:40:35.721483  Using namespace: common
 2908 19:40:35.821871  / # #

 2909 19:40:35.822107  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 2910 19:40:35.824859  #

 2911 19:40:35.827472  Using /lava-12460431
 2913 19:40:35.927875  / # export SHELL=/bin/bash

 2914 19:40:35.930404  export SHELL=/bin/bash

 2916 19:40:36.033682  / # . /lava-12460431/environment

 2917 19:40:36.035984  . /lava-12460431/environment

 2919 19:40:36.144690  / # /lava-12460431/bin/lava-test-runner /lava-12460431/0

 2920 19:40:36.144887  Test shell timeout: 10s (minimum of the action and connection timeout)
 2921 19:40:36.146878  /lava-12460431/bin/lava-test-runner /lava-12460431/0

 2922 19:40:36.628144  + export TESTRUN_ID=0_timesync-off

 2923 19:40:36.630644  + TESTRUN_ID=0_timesync-off

 2924 19:40:36.635523  + cd /lava-12460431/0/tests/0_timesync-off

 2925 19:40:36.636306  ++ cat uuid

 2926 19:40:36.651665  + UUID=12460431_1.5.2.3.1

 2927 19:40:36.653038  + set +x

 2928 19:40:36.658643  <LAVA_SIGNAL_STARTRUN 0_timesync-off 12460431_1.5.2.3.1>

 2929 19:40:36.658926  Received signal: <STARTRUN> 0_timesync-off 12460431_1.5.2.3.1
 2930 19:40:36.659004  Starting test lava.0_timesync-off (12460431_1.5.2.3.1)
 2931 19:40:36.659091  Skipping test definition patterns.
 2932 19:40:36.661899  + systemctl stop systemd-timesyncd

 2933 19:40:36.756580  + set +x

 2934 19:40:36.761678  Received signal: <ENDRUN> 0_timesync-off 12460431_1.5.2.3.1
 2935 19:40:36.761801  Ending use of test pattern.
 2936 19:40:36.761871  Ending test lava.0_timesync-off (12460431_1.5.2.3.1), duration 0.10
 2938 19:40:36.762166  <LAVA_SIGNAL_ENDRUN 0_timesync-off 12460431_1.5.2.3.1>

 2939 19:40:36.921176  + export TESTRUN_ID=1_kselftest-lkdtm

 2940 19:40:36.924982  + TESTRUN_ID=1_kselftest-lkdtm

 2941 19:40:36.928779  + cd /lava-12460431/0/tests/1_kselftest-lkdtm

 2942 19:40:36.929849  ++ cat uuid

 2943 19:40:36.950089  + UUID=12460431_1.5.2.3.5

 2944 19:40:36.950791  + set +x

 2945 19:40:36.956546  Received signal: <STARTRUN> 1_kselftest-lkdtm 12460431_1.5.2.3.5
 2946 19:40:36.956678  Starting test lava.1_kselftest-lkdtm (12460431_1.5.2.3.5)
 2947 19:40:36.956799  Skipping test definition patterns.
 2948 19:40:36.957063  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 12460431_1.5.2.3.5>

 2949 19:40:36.959994  + cd ./automated/linux/kselftest/

 2950 19:40:36.993203  + ./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/v5.10.205-897-gcc9858ae2881/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

 2951 19:40:37.117776  INFO: install_deps skipped

 2952 19:40:37.281410  --2024-01-05 19:40:37--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.205-897-gcc9858ae2881/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz

 2953 19:40:37.321816  Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82

 2954 19:40:37.451197  Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected.

 2955 19:40:37.581828  HTTP request sent, awaiting response... 200 OK

 2956 19:40:37.587959  Length: 3379368 (3.2M) [application/octet-stream]

 2957 19:40:37.589295  Saving to: 'kselftest.tar.xz'

 2958 19:40:37.589860  

 2959 19:40:37.589943  

 2960 19:40:37.840697  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               

 2961 19:40:38.099427  kselftest.tar.xz      1%[                    ]  50.15K   195KB/s               

 2962 19:40:38.536180  kselftest.tar.xz      6%[>                   ] 219.84K   426KB/s               

 2963 19:40:38.804296  kselftest.tar.xz     25%[====>               ] 826.47K   868KB/s               

 2964 19:40:39.006647  kselftest.tar.xz     72%[=============>      ]   2.34M  1.91MB/s               

 2965 19:40:39.013560  kselftest.tar.xz    100%[===================>]   3.22M  2.27MB/s               

 2966 19:40:39.021485  kselftest.tar.xz    100%[===================>]   3.22M  2.27MB/s    in 1.4s    

 2967 19:40:39.021618  

 2968 19:40:39.310653  2024-01-05 19:40:39 (2.27 MB/s) - 'kselftest.tar.xz' saved [3379368/3379368]

 2969 19:40:39.310816  

 2970 19:40:50.643666  skiplist:

 2971 19:40:50.647498  ========================================

 2972 19:40:50.651490  ========================================

 2973 19:40:50.764575  lkdtm:PANIC.sh

 2974 19:40:50.765718  lkdtm:BUG.sh

 2975 19:40:50.768247  lkdtm:WARNING.sh

 2976 19:40:50.770126  lkdtm:WARNING_MESSAGE.sh

 2977 19:40:50.772464  lkdtm:EXCEPTION.sh

 2978 19:40:50.773306  lkdtm:LOOP.sh

 2979 19:40:50.776337  lkdtm:EXHAUST_STACK.sh

 2980 19:40:50.778106  lkdtm:CORRUPT_STACK.sh

 2981 19:40:50.781865  lkdtm:CORRUPT_STACK_STRONG.sh

 2982 19:40:50.783941  lkdtm:CORRUPT_LIST_ADD.sh

 2983 19:40:50.786606  lkdtm:CORRUPT_LIST_DEL.sh

 2984 19:40:50.790039  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2985 19:40:50.793980  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2986 19:40:50.796240  lkdtm:UNSET_SMEP.sh

 2987 19:40:50.797797  lkdtm:DOUBLE_FAULT.sh

 2988 19:40:50.800566  lkdtm:CORRUPT_PAC.sh

 2989 19:40:50.803476  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2990 19:40:50.806133  lkdtm:OVERWRITE_ALLOCATION.sh

 2991 19:40:50.808885  lkdtm:WRITE_AFTER_FREE.sh

 2992 19:40:50.811672  lkdtm:READ_AFTER_FREE.sh

 2993 19:40:50.815048  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2994 19:40:50.818192  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2995 19:40:50.821390  lkdtm:SLAB_FREE_DOUBLE.sh

 2996 19:40:50.823063  lkdtm:SLAB_FREE_CROSS.sh

 2997 19:40:50.826474  lkdtm:SLAB_FREE_PAGE.sh

 2998 19:40:50.827216  lkdtm:SOFTLOCKUP.sh

 2999 19:40:50.829930  lkdtm:HARDLOCKUP.sh

 3000 19:40:50.831818  lkdtm:SPINLOCKUP.sh

 3001 19:40:50.833800  lkdtm:HUNG_TASK.sh

 3002 19:40:50.835554  lkdtm:EXEC_DATA.sh

 3003 19:40:50.837526  lkdtm:EXEC_STACK.sh

 3004 19:40:50.840298  lkdtm:EXEC_KMALLOC.sh

 3005 19:40:50.841907  lkdtm:EXEC_VMALLOC.sh

 3006 19:40:50.843912  lkdtm:EXEC_RODATA.sh

 3007 19:40:50.846407  lkdtm:EXEC_USERSPACE.sh

 3008 19:40:50.848380  lkdtm:EXEC_NULL.sh

 3009 19:40:50.850852  lkdtm:ACCESS_USERSPACE.sh

 3010 19:40:50.853171  lkdtm:ACCESS_NULL.sh

 3011 19:40:50.854971  lkdtm:WRITE_RO.sh

 3012 19:40:50.858190  lkdtm:WRITE_RO_AFTER_INIT.sh

 3013 19:40:50.860209  lkdtm:WRITE_KERN.sh

 3014 19:40:50.863101  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 3015 19:40:50.866494  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 3016 19:40:50.870009  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3017 19:40:50.874218  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3018 19:40:50.877059  lkdtm:REFCOUNT_DEC_ZERO.sh

 3019 19:40:50.880040  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 3020 19:40:50.883805  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3021 19:40:50.888564  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 3022 19:40:50.890700  lkdtm:REFCOUNT_INC_ZERO.sh

 3023 19:40:50.893742  lkdtm:REFCOUNT_ADD_ZERO.sh

 3024 19:40:50.897110  lkdtm:REFCOUNT_INC_SATURATED.sh

 3025 19:40:50.899755  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3026 19:40:50.903260  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3027 19:40:50.907183  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3028 19:40:50.911827  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3029 19:40:50.915105  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3030 19:40:50.919759  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3031 19:40:50.922339  lkdtm:REFCOUNT_TIMING.sh

 3032 19:40:50.924600  lkdtm:ATOMIC_TIMING.sh

 3033 19:40:50.927186  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3034 19:40:50.931145  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3035 19:40:50.934356  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3036 19:40:50.938234  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3037 19:40:50.941192  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3038 19:40:50.945041  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3039 19:40:50.947575  lkdtm:USERCOPY_STACK_BEYOND.sh

 3040 19:40:50.950909  lkdtm:USERCOPY_KERNEL.sh

 3041 19:40:50.953605  lkdtm:STACKLEAK_ERASING.sh

 3042 19:40:50.956148  lkdtm:CFI_FORWARD_PROTO.sh

 3043 19:40:50.960715  ============== Tests to run ===============

 3044 19:40:50.961844  lkdtm:PANIC.sh

 3045 19:40:50.963327  lkdtm:BUG.sh

 3046 19:40:50.965028  lkdtm:WARNING.sh

 3047 19:40:50.967717  lkdtm:WARNING_MESSAGE.sh

 3048 19:40:50.969405  lkdtm:EXCEPTION.sh

 3049 19:40:50.970515  lkdtm:LOOP.sh

 3050 19:40:50.973612  lkdtm:EXHAUST_STACK.sh

 3051 19:40:50.975613  lkdtm:CORRUPT_STACK.sh

 3052 19:40:50.979292  lkdtm:CORRUPT_STACK_STRONG.sh

 3053 19:40:50.981016  lkdtm:CORRUPT_LIST_ADD.sh

 3054 19:40:50.984023  lkdtm:CORRUPT_LIST_DEL.sh

 3055 19:40:50.987448  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 3056 19:40:50.991595  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 3057 19:40:50.993374  lkdtm:UNSET_SMEP.sh

 3058 19:40:50.995270  lkdtm:DOUBLE_FAULT.sh

 3059 19:40:50.998139  lkdtm:CORRUPT_PAC.sh

 3060 19:40:51.000717  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 3061 19:40:51.003760  lkdtm:OVERWRITE_ALLOCATION.sh

 3062 19:40:51.006550  lkdtm:WRITE_AFTER_FREE.sh

 3063 19:40:51.009617  lkdtm:READ_AFTER_FREE.sh

 3064 19:40:51.012335  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 3065 19:40:51.015324  lkdtm:READ_BUDDY_AFTER_FREE.sh

 3066 19:40:51.018250  lkdtm:SLAB_FREE_DOUBLE.sh

 3067 19:40:51.020449  lkdtm:SLAB_FREE_CROSS.sh

 3068 19:40:51.023008  lkdtm:SLAB_FREE_PAGE.sh

 3069 19:40:51.025924  lkdtm:SOFTLOCKUP.sh

 3070 19:40:51.026986  lkdtm:HARDLOCKUP.sh

 3071 19:40:51.029515  lkdtm:SPINLOCKUP.sh

 3072 19:40:51.030983  lkdtm:HUNG_TASK.sh

 3073 19:40:51.032986  lkdtm:EXEC_DATA.sh

 3074 19:40:51.034825  lkdtm:EXEC_STACK.sh

 3075 19:40:51.037654  lkdtm:EXEC_KMALLOC.sh

 3076 19:40:51.039464  lkdtm:EXEC_VMALLOC.sh

 3077 19:40:51.042600  lkdtm:EXEC_RODATA.sh

 3078 19:40:51.043917  lkdtm:EXEC_USERSPACE.sh

 3079 19:40:51.046472  lkdtm:EXEC_NULL.sh

 3080 19:40:51.048450  lkdtm:ACCESS_USERSPACE.sh

 3081 19:40:51.050746  lkdtm:ACCESS_NULL.sh

 3082 19:40:51.052913  lkdtm:WRITE_RO.sh

 3083 19:40:51.055341  lkdtm:WRITE_RO_AFTER_INIT.sh

 3084 19:40:51.057421  lkdtm:WRITE_KERN.sh

 3085 19:40:51.061347  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 3086 19:40:51.063938  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 3087 19:40:51.067506  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3088 19:40:51.071405  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3089 19:40:51.074492  lkdtm:REFCOUNT_DEC_ZERO.sh

 3090 19:40:51.077468  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 3091 19:40:51.081380  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3092 19:40:51.085604  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 3093 19:40:51.087962  lkdtm:REFCOUNT_INC_ZERO.sh

 3094 19:40:51.090998  lkdtm:REFCOUNT_ADD_ZERO.sh

 3095 19:40:51.093959  lkdtm:REFCOUNT_INC_SATURATED.sh

 3096 19:40:51.097347  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3097 19:40:51.100596  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3098 19:40:51.104502  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3099 19:40:51.109027  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3100 19:40:51.112876  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3101 19:40:51.116522  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3102 19:40:51.119676  lkdtm:REFCOUNT_TIMING.sh

 3103 19:40:51.121981  lkdtm:ATOMIC_TIMING.sh

 3104 19:40:51.125480  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3105 19:40:51.127689  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3106 19:40:51.131821  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3107 19:40:51.136007  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3108 19:40:51.139204  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3109 19:40:51.141961  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3110 19:40:51.145928  lkdtm:USERCOPY_STACK_BEYOND.sh

 3111 19:40:51.147808  lkdtm:USERCOPY_KERNEL.sh

 3112 19:40:51.150403  lkdtm:STACKLEAK_ERASING.sh

 3113 19:40:51.153122  lkdtm:CFI_FORWARD_PROTO.sh

 3114 19:40:51.157762  ===========End Tests to run ===============

 3115 19:40:51.159674  shardfile-lkdtm pass

 3116 19:40:52.381354  <12>[   41.164646] kselftest: Running tests in lkdtm

 3117 19:40:52.404107  TAP version 13

 3118 19:40:52.430787  1..70

 3119 19:40:52.456035  # selftests: lkdtm: PANIC.sh

 3120 19:40:53.024431  # Skipping PANIC: crashes entire system

 3121 19:40:53.032350  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 3122 19:40:53.052814  # selftests: lkdtm: BUG.sh

 3123 19:40:53.293049  <6>[   42.076254] lkdtm: Performing direct entry BUG

 3124 19:40:53.298396  <4>[   42.081875] ------------[ cut here ]------------

 3125 19:40:53.304940  <2>[   42.087381] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3126 19:40:53.310099  <4>[   42.093597] invalid opcode: 0000 [#1] SMP PTI

 3127 19:40:53.319010  <4>[   42.098761] CPU: 0 PID: 638 Comm: cat Tainted: G        W         5.10.206-cip41 #1

 3128 19:40:53.327744  <4>[   42.107594] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3129 19:40:53.330539  <4>[   42.114500] RIP: 0010:lkdtm_BUG+0x5/0x10

 3130 19:40:53.351824  <4>[   42.119177] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 3131 19:40:53.357776  <4>[   42.140437] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 3132 19:40:53.366237  <4>[   42.146572] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 3133 19:40:53.374860  <4>[   42.154834] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 3134 19:40:53.382914  <4>[   42.163099] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 3135 19:40:53.390979  <4>[   42.171363] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3136 19:40:53.399214  <4>[   42.179628] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 3137 19:40:53.408887  <4>[   42.187893] FS:  00007fa206691580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000

 3138 19:40:53.415099  <4>[   42.197217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3139 19:40:53.423667  <4>[   42.203921] CR2: 00007fa20649b000 CR3: 000000010441e000 CR4: 00000000003506f0

 3140 19:40:53.427650  <4>[   42.212185] Call Trace:

 3141 19:40:53.431841  <4>[   42.215221]  ? __die_body.cold+0x1a/0x1f

 3142 19:40:53.435172  <4>[   42.219899]  ? die+0x2b/0x50

 3143 19:40:53.439201  <4>[   42.223412]  ? do_trap+0x91/0x110

 3144 19:40:53.443137  <4>[   42.227407]  ? lkdtm_BUG+0x5/0x10

 3145 19:40:53.447807  <4>[   42.231403]  ? do_error_trap+0x90/0x110

 3146 19:40:53.453265  <4>[   42.235978]  ? lkdtm_BUG+0x5/0x10

 3147 19:40:53.455551  <4>[   42.239969]  ? lkdtm_BUG+0x5/0x10

 3148 19:40:53.459937  <4>[   42.243967]  ? exc_invalid_op+0x4e/0x70

 3149 19:40:53.464518  <4>[   42.248541]  ? lkdtm_BUG+0x5/0x10

 3150 19:40:53.469513  <4>[   42.252540]  ? asm_exc_invalid_op+0x12/0x20

 3151 19:40:53.474208  <4>[   42.257510]  ? direct_entry+0xe0/0xe0

 3152 19:40:53.477407  <4>[   42.261895]  ? lkdtm_BUG+0x5/0x10

 3153 19:40:53.482837  <4>[   42.265895]  direct_entry.cold+0x2c/0x38

 3154 19:40:53.486316  <4>[   42.270576]  full_proxy_write+0x56/0x80

 3155 19:40:53.490444  <4>[   42.275159]  vfs_write+0xea/0x3b0

 3156 19:40:53.494603  <4>[   42.279157]  ksys_write+0x68/0xf0

 3157 19:40:53.499158  <4>[   42.283159]  do_syscall_64+0x33/0x40

 3158 19:40:53.504689  <4>[   42.287448]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3159 19:40:53.509361  <4>[   42.293387] RIP: 0033:0x7fa2065a7473

 3160 19:40:53.530969  <4>[   42.297667] 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

 3161 19:40:53.539393  <4>[   42.318948] RSP: 002b:00007ffe64b9f068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3162 19:40:53.547029  <4>[   42.327704] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa2065a7473

 3163 19:40:53.555548  <4>[   42.335972] RDX: 0000000000000004 RSI: 00007fa20649b000 RDI: 0000000000000001

 3164 19:40:53.563686  <4>[   42.344239] RBP: 00007fa20649b000 R08: 00007fa20649a010 R09: 0000000000000000

 3165 19:40:53.572201  <4>[   42.352505] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3166 19:40:53.580288  <4>[   42.360771] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3167 19:40:53.620648  <4>[   42.369047] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3168 19:40:53.627327  <0>[   42.411148] gsmi: Log Shutdown Reason 0x03

 3169 19:40:53.632783  <4>[   42.416077] ---[ end trace f8800554775ed3d0 ]---

 3170 19:40:53.637517  <4>[   42.421558] RIP: 0010:lkdtm_BUG+0x5/0x10

 3171 19:40:53.658887  <4>[   42.426248] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 3172 19:40:53.665284  <4>[   42.447535] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 3173 19:40:53.673004  <4>[   42.453687] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 3174 19:40:53.682070  <4>[   42.461970] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 3175 19:40:53.690097  <4>[   42.470269] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 3176 19:40:53.698576  <4>[   42.478558] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3177 19:40:53.707125  <4>[   42.486851] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 3178 19:40:53.715532  <4>[   42.495132] FS:  00007fa206691580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000

 3179 19:40:53.722825  <4>[   42.504483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3180 19:40:53.730923  <4>[   42.511261] CR2: 00007fa20649b000 CR3: 000000010441e000 CR4: 00000000003506f0

 3181 19:40:53.734182  # Segmentation fault

 3182 19:40:53.774140  # [   42.076254] lkdtm: Performing direct entry BUG

 3183 19:40:53.779825  # [   42.081875] ------------[ cut here ]------------

 3184 19:40:53.784865  # [   42.087381] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3185 19:40:53.790366  # [   42.093597] invalid opcode: 0000 [#1] SMP PTI

 3186 19:40:53.799393  # [   42.098761] CPU: 0 PID: 638 Comm: cat Tainted: G        W         5.10.206-cip41 #1

 3187 19:40:53.805605  # [   42.107594] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3188 19:40:53.810081  # [   42.114500] RIP: 0010:lkdtm_BUG+0x5/0x10

 3189 19:40:53.832221  # [   42.119177] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 3190 19:40:53.837567  # [   42.140437] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 3191 19:40:53.845551  # [   42.146572] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 3192 19:40:53.853798  # [   42.154834] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 3193 19:40:53.861831  # [   42.163099] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 3194 19:40:53.870323  # [   42.171363] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3195 19:40:53.878701  # [   42.179628] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 3196 19:40:53.887999  # [   42.187893] FS:  00007fa206691580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000

 3197 19:40:53.894541  # [   42.197217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3198 19:40:53.902985  # [   42.203921] CR2: 00007fa20649b000 CR3: 000000010441e000 CR4: 00000000003506f0

 3199 19:40:53.905441  # [   42.212185] Call Trace:

 3200 19:40:53.910160  # [   42.215221]  ? __die_body.cold+0x1a/0x1f

 3201 19:40:53.913782  # [   42.219899]  ? die+0x2b/0x50

 3202 19:40:53.917477  # [   42.223412]  ? do_trap+0x91/0x110

 3203 19:40:53.921217  # [   42.227407]  ? lkdtm_BUG+0x5/0x10

 3204 19:40:53.927146  # [   42.231403]  ? do_error_trap+0x90/0x110

 3205 19:40:53.930021  # [   42.235978]  ? lkdtm_BUG+0x5/0x10

 3206 19:40:53.934380  # [   42.239969]  ? lkdtm_BUG+0x5/0x10

 3207 19:40:53.938042  # [   42.243967]  ? exc_invalid_op+0x4e/0x70

 3208 19:40:53.941678  # [   42.248541]  ? lkdtm_BUG+0x5/0x10

 3209 19:40:53.946956  # [   42.252540]  ? asm_exc_invalid_op+0x12/0x20

 3210 19:40:53.950899  # [   42.257510]  ? direct_entry+0xe0/0xe0

 3211 19:40:53.954598  # [   42.261895]  ? lkdtm_BUG+0x5/0x10

 3212 19:40:53.959646  # [   42.265895]  direct_entry.cold+0x2c/0x38

 3213 19:40:53.963837  # [   42.270576]  full_proxy_write+0x56/0x80

 3214 19:40:53.968169  # [   42.275159]  vfs_write+0xea/0x3b0

 3215 19:40:53.972583  # [   42.279157]  ksys_write+0x68/0xf0

 3216 19:40:53.975841  # [   42.283159]  do_syscall_64+0x33/0x40

 3217 19:40:53.981240  # [   42.287448]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3218 19:40:53.986280  # [   42.293387] RIP: 0033:0x7fa2065a7473

 3219 19:40:54.007197  # [   42.297667] 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

 3220 19:40:54.019094  # [   42.318948] RSP: 002b:00007ffe64b9f068 EFLAGS: 00000246 ORIG_RAX:<6>[   42.801182] lkdtm: Performing direct entry WARNING

 3221 19:40:54.021066   0000000000000001

 3222 19:40:54.031446  # [   42.327704] RAX: ffffffffffffffda RBX: 0<4>[   42.807681] ------------[ cut here ]------------

 3223 19:40:54.040504  <4>[   42.819356] WARNING: CPU: 2 PID: 677 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3224 19:40:54.044882  000000000000004 RCX: 00007fa2065a7473

 3225 19:40:54.087059  # [   42.335972] RDX: 000<4>[   42.829105] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3226 19:40:54.095946  <4>[   42.875406] CPU: 2 PID: 677 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 3227 19:40:54.103575  <4>[   42.884297] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3228 19:40:54.108465  <4>[   42.891227] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3229 19:40:54.129346  <4>[   42.896402] 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 f0 7d 0b 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 d1 7d

 3230 19:40:54.135861  <4>[   42.917681] RSP: 0018:ffffbd9701267e60 EFLAGS: 00010202

 3231 19:40:54.143741  <4>[   42.923832] RAX: ffffffff9657bf10 RBX: 0000000000000002 RCX: 0000000000000000

 3232 19:40:54.152893  <4>[   42.932110] RDX: 0000000000000000 RSI: ffff9d50bbd1bf50 RDI: ffffffff976f84c0

 3233 19:40:54.160491  <4>[   42.940391] RBP: ffffffff97b82aff R08: 0000000000000000 R09: 0000000000000000

 3234 19:40:54.168455  <4>[   42.948676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3235 19:40:54.177095  <4>[   42.956958] R13: ffffbd9701267f10 R14: ffffbd9701267f10 R15: ffff9d504660c000

 3236 19:40:54.186445  <4>[   42.965239] FS:  00007f10da54b580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 3237 19:40:54.193106  <4>[   42.974589] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3238 19:40:54.201008  <4>[   42.981319] CR2: 00007f10da355000 CR3: 0000000104484000 CR4: 00000000003506e0

 3239 19:40:54.204492  <4>[   42.989595] Call Trace:

 3240 19:40:54.208833  <4>[   42.992652]  ? __warn+0x80/0x110

 3241 19:40:54.213214  <4>[   42.996571]  ? lkdtm_WARNING+0x13/0x20

 3242 19:40:54.216738  <4>[   43.001073]  ? report_bug+0x9e/0xc0

 3243 19:40:54.221158  <4>[   43.005288]  ? handle_bug+0x41/0x90

 3244 19:40:54.225867  <4>[   43.009498]  ? exc_invalid_op+0x14/0x70

 3245 19:40:54.231085  <4>[   43.014095]  ? asm_exc_invalid_op+0x12/0x20

 3246 19:40:54.235207  <4>[   43.019085]  ? lkdtm_BUG+0x10/0x10

 3247 19:40:54.239833  <4>[   43.023196]  ? lkdtm_WARNING+0x13/0x20

 3248 19:40:54.244914  <4>[   43.027698]  direct_entry.cold+0x2c/0x38

 3249 19:40:54.248692  <4>[   43.032397]  full_proxy_write+0x56/0x80

 3250 19:40:54.253040  <4>[   43.036999]  vfs_write+0xea/0x3b0

 3251 19:40:54.257541  <4>[   43.041016]  ksys_write+0x68/0xf0

 3252 19:40:54.262569  0000000000004 RSI: 00007fa20649b000 RDI: 0000000000000001

 3253 19:40:54.267049  # [  <4>[   43.045028]  do_syscall_64+0x33/0x40

 3254 19:40:54.273565  <4>[   43.055516]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3255 19:40:54.277274  <4>[   43.061465] RIP: 0033:0x7f10da461473

 3256 19:40:54.299375  <4>[   43.065764] 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

 3257 19:40:54.307797  <4>[   43.087054] RSP: 002b:00007ffe631340e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3258 19:40:54.321523   42.344239] RBP: 00007fa20649b000 R08: 00007fa20649a010 R09: 000<4>[   43.095817] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f10da461473

 3259 19:40:54.323463  0000000000000

 3260 19:40:54.336564  # [   42.352505] R10: fffffffffffffbc5 R11: 00000<4>[   43.110291] RDX: 0000000000000008 RSI: 00007f10da355000 RDI: 0000000000000001

 3261 19:40:54.344558  <4>[   43.124758] RBP: 00007f10da355000 R08: 00007f10da354010 R09: 0000000000000000

 3262 19:40:54.352944  <4>[   43.133039] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3263 19:40:54.361605  <4>[   43.141313] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3264 19:40:54.364940  <4>[   43.149603] irq event stamp: 0

 3265 19:40:54.372681  <4>[   43.153326] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3266 19:40:54.382053  <4>[   43.160633] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3267 19:40:54.390918  <4>[   43.170082] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3268 19:40:54.398308  <4>[   43.179527] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3269 19:40:54.404042  <4>[   43.186832] ---[ end trace f8800554775ed3d1 ]---

 3270 19:40:54.407816  00000000246 R12: 0000000000000001

 3271 19:40:54.415914  # [   42.360771] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3272 19:40:54.455232  # [   42.369047] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3273 19:40:54.460389  # [   42.411148] gsmi: Log Shutdown Reason 0x03

 3274 19:40:54.465676  # [   42.416077] ---[ end trace f8800554775ed3d0 ]---

 3275 19:40:54.470529  # [   42.421558] RIP: 0010:lkdtm_BUG+0x5/0x10

 3276 19:40:54.491598  # [   42.426248] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 3277 19:40:54.497606  # [   42.447535] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 3278 19:40:54.505353  # [   42.453687] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 3279 19:40:54.513527  # [   42.461970] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 3280 19:40:54.522687  # [   42.470269] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 3281 19:40:54.529982  # [   42.478558] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3282 19:40:54.538547  # [   42.486851] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 3283 19:40:54.546782  # [   42.495132] FS:  00007fa206691580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000

 3284 19:40:54.553791  # [   42.504483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3285 19:40:54.562074  # [   42.511261] CR2: 00007fa20649b000 CR3: 000000010441e000 CR4: 00000000003506f0

 3286 19:40:54.565519  # BUG: saw 'kernel BUG at': ok

 3287 19:40:54.569218  ok 2 selftests: lkdtm: BUG.sh

 3288 19:40:54.570886  # selftests: lkdtm: WARNING.sh

 3289 19:40:54.576681  # [   42.801182] lkdtm: Performing direct entry WARNING

 3290 19:40:54.582141  # [   42.807681] ------------[ cut here ]------------

 3291 19:40:54.592955  # [   42.819356] WARNING: CPU: 2 PID: 677 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3292 19:40:54.631480  # [   42.829105] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3293 19:40:54.639844  # [   42.875406] CPU: 2 PID: 677 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 3294 19:40:54.647154  # [   42.884297] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3295 19:40:54.652097  # [   42.891227] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3296 19:40:54.673602  # [   42.896402] 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 f0 7d 0b 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 d1 7d

 3297 19:40:54.684212  # [   42.917681] RSP: 0018:ffffbd9701267e<6>[   43.460212] lkdtm: Performing direct entry WARNING_MESSAGE

 3298 19:40:54.688908  <4>[   43.471839] ------------[ cut here ]------------

 3299 19:40:54.694030  <4>[   43.477328] Warning message trigger count: 2

 3300 19:40:54.696229  60 EFLAGS: 00010202

 3301 19:40:54.710732  # [   42.923832] RAX: ffffffff9657bf10 RBX:<4>[   43.482477] WARNING: CPU: 1 PID: 713 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3302 19:40:54.714954   0000000000000002 RCX: 0000000000000000

 3303 19:40:54.756778  # [   42.932110] RDX: 0<4>[   43.499107] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3304 19:40:54.766146  <4>[   43.545397] CPU: 1 PID: 713 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 3305 19:40:54.772071  000000000000000 RSI: ffff9d50bbd1bf50 RDI: ffffffff976f84c0

 3306 19:40:54.779528  # [<4>[   43.554284] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3307 19:40:54.786136  <4>[   43.567379] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3308 19:40:54.806439  <4>[   43.573333] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 d1 7d 0b 03 48 c7 c7 60 30 b8 97 8d 70 01 89 35 c1 7d 0b 03 e8 9a b7 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3309 19:40:54.812486  <4>[   43.594621] RSP: 0018:ffffbd97012f7e60 EFLAGS: 00010286

 3310 19:40:54.821262  <4>[   43.600770] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3311 19:40:54.835150     42.940391] RBP: ffffffff97b82aff R08: 0000000000000000 R09: 0<4>[   43.609048] RDX: ffff9d50bbcac620 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50

 3312 19:40:54.844062  <4>[   43.623517] RBP: ffffffff97b82b07 R08: 0000000000000000 R09: 0000000000000000

 3313 19:40:54.852277  <4>[   43.631790] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3314 19:40:54.859884  <4>[   43.640068] R13: ffffbd97012f7f10 R14: ffffbd97012f7f10 R15: ffff9d5046429000

 3315 19:40:54.870469  <4>[   43.648338] FS:  00007fd82f011580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 3316 19:40:54.876873  <4>[   43.657677] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3317 19:40:54.884265  <4>[   43.664396] CR2: 00007fd82ee1b000 CR3: 0000000105a5a000 CR4: 00000000003506e0

 3318 19:40:54.887691  <4>[   43.672670] Call Trace:

 3319 19:40:54.891314  <4>[   43.675729]  ? __warn+0x80/0x110

 3320 19:40:54.896677  <4>[   43.679652]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3321 19:40:54.901489  <4>[   43.684930]  ? report_bug+0x9e/0xc0

 3322 19:40:54.905689  <4>[   43.689148]  ? handle_bug+0x41/0x90

 3323 19:40:54.911412  <4>[   43.693361]  ? exc_invalid_op+0x14/0x70

 3324 19:40:54.914532  <4>[   43.697959]  ? asm_exc_invalid_op+0x12/0x20

 3325 19:40:54.920527  <4>[   43.702951]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3326 19:40:54.924468  <4>[   43.708235]  direct_entry.cold+0x2c/0x38

 3327 19:40:54.929846  <4>[   43.712937]  full_proxy_write+0x56/0x80

 3328 19:40:54.932940  <4>[   43.717544]  vfs_write+0xea/0x3b0

 3329 19:40:54.937560  <4>[   43.721561]  ksys_write+0x68/0xf0

 3330 19:40:54.941559  <4>[   43.725582]  do_syscall_64+0x33/0x40

 3331 19:40:54.947776  <4>[   43.729889]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3332 19:40:54.951869  <4>[   43.735845] RIP: 0033:0x7fd82ef27473

 3333 19:40:54.973681  <4>[   43.740147] 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

 3334 19:40:54.981659  <4>[   43.761424] RSP: 002b:00007ffd114869a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3335 19:40:54.983636  000000000000000

 3336 19:40:54.996662  # [   42.948676] R10: 00000000ffffe000 R11: 3ff<4>[   43.770190] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd82ef27473

 3337 19:40:55.004802  <4>[   43.784666] RDX: 0000000000000010 RSI: 00007fd82ee1b000 RDI: 0000000000000001

 3338 19:40:55.013160  <4>[   43.792946] RBP: 00007fd82ee1b000 R08: 00007fd82ee1a010 R09: 0000000000000000

 3339 19:40:55.021824  <4>[   43.801228] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3340 19:40:55.029279  <4>[   43.809515] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3341 19:40:55.033531  <4>[   43.817810] irq event stamp: 0

 3342 19:40:55.040830  <4>[   43.821533] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3343 19:40:55.050471  <4>[   43.828847] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3344 19:40:55.059749  <4>[   43.838295] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3345 19:40:55.067482  <4>[   43.847740] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3346 19:40:55.072180  <4>[   43.855042] ---[ end trace f8800554775ed3d2 ]---

 3347 19:40:55.076014  fffffffffffff R12: 0000000000000008

 3348 19:40:55.084390  # [   42.956958] R13: ffffbd9701267f10 R14: ffffbd9701267f10 R15: ffff9d504660c000

 3349 19:40:55.094936  # [   42.965239] FS:  00007f10da54b580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 3350 19:40:55.099660  # [   42.974589] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3351 19:40:55.108091  # [   42.981319] CR2: 00007f10da355000 CR3: 0000000104484000 CR4: 00000000003506e0

 3352 19:40:55.111032  # [   42.989595] Call Trace:

 3353 19:40:55.114393  # [   42.992652]  ? __warn+0x80/0x110

 3354 19:40:55.119296  # [   42.996571]  ? lkdtm_WARNING+0x13/0x20

 3355 19:40:55.123575  # [   43.001073]  ? report_bug+0x9e/0xc0

 3356 19:40:55.127003  # [   43.005288]  ? handle_bug+0x41/0x90

 3357 19:40:55.131543  # [   43.009498]  ? exc_invalid_op+0x14/0x70

 3358 19:40:55.138260  # [   43.014095]  ? asm_exc_invalid_op+0x12/0x20

 3359 19:40:55.140590  # [   43.019085]  ? lkdtm_BUG+0x10/0x10

 3360 19:40:55.145035  # [   43.023196]  ? lkdtm_WARNING+0x13/0x20

 3361 19:40:55.149852  # [   43.027698]  direct_entry.cold+0x2c/0x38

 3362 19:40:55.154155  # [   43.032397]  full_proxy_write+0x56/0x80

 3363 19:40:55.158049  # [   43.036999]  vfs_write+0xea/0x3b0

 3364 19:40:55.162721  # [   43.041016]  ksys_write+0x68/0xf0

 3365 19:40:55.166800  # [   43.045028]  do_syscall_64+0x33/0x40

 3366 19:40:55.172242  # [   43.055516]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3367 19:40:55.176012  # [   43.061465] RIP: 0033:0x7f10da461473

 3368 19:40:55.197089  # [   43.065764] 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

 3369 19:40:55.205501  # [   43.087054] RSP: 002b:00007ffe631340e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3370 19:40:55.214002  # [   43.095817] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f10da461473

 3371 19:40:55.221898  # [   43.110291] RDX: 0000000000000008 RSI: 00007f10da355000 RDI: 0000000000000001

 3372 19:40:55.230300  # [   43.124758] RBP: 00007f10da355000 R08: 00007f10da354010 R09: 0000000000000000

 3373 19:40:55.239070  # [   43.133039] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3374 19:40:55.246269  # [   43.141313] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3375 19:40:55.249967  # [   43.149603] irq event stamp: 0

 3376 19:40:55.257501  # [   43.153326] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3377 19:40:55.266117  # [   43.160633] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3378 19:40:55.275604  # [   43.170082] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3379 19:40:55.282812  # [   43.179527] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3380 19:40:55.288217  # [   43.186832] ---[ end trace f8800554775ed3d1 ]---

 3381 19:40:55.291578  # WARNING: saw 'WARNING:': ok

 3382 19:40:55.294817  ok 3 selftests: lkdtm: WARNING.sh

 3383 19:40:55.298695  # selftests: lkdtm: WARNING_MESSAGE.sh

 3384 19:40:55.304807  # [   43.460212] lkdtm: Performing direct entry WARNING_MESSAGE

 3385 19:40:55.310101  # [   43.471839] ------------[ cut here ]------------

 3386 19:40:55.315081  # [   43.477328] Warning message trigger count: 2

 3387 19:40:55.325556  # [   43.482477] WARNING: CPU: 1 PID: 713 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3388 19:40:55.363932  # [   43.499107] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_h<6>[   44.141872] lkdtm: Performing direct entry EXCEPTION

 3389 19:40:55.378277  id< snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore cor1>[   44.152104] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3390 19:40:55.383889  <1>[   44.166390] #PF: supervisor write access in kernel mode

 3391 19:40:55.390124  <1>[   44.172518] #PF: error_code(0x0002) - not-present page

 3392 19:40:55.393115  <6>[   44.178548] PGD 0 P4D 0 

 3393 19:40:55.397191  <4>[   44.181675] Oops: 0002 [#2] SMP PTI

 3394 19:40:55.407516  <4>[   44.185869] CPU: 1 PID: 746 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 3395 19:40:55.413043  <4>[   44.194716] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3396 19:40:55.418126  <4>[   44.201631] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3397 19:40:55.440170  <4>[   44.206891] Code: 48 c7 c7 60 30 b8 97 8d 70 01 89 35 c1 7d 0b 03 e8 9a b7 69 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

 3398 19:40:55.446043  <4>[   44.228170] RSP: 0018:ffffbd9701367e60 EFLAGS: 00010286

 3399 19:40:55.454971  <4>[   44.234303] RAX: ffffffff9657bf60 RBX: 0000000000000004 RCX: 0000000000000000

 3400 19:40:55.462514  <4>[   44.242570] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffffffff976f84e0

 3401 19:40:55.471271  <4>[   44.250835] RBP: ffffffff97a76777 R08: 0000000000000000 R09: 0000000000000000

 3402 19:40:55.479872  <4>[   44.259100] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3403 19:40:55.488214  <4>[   44.267364] R13: ffffbd9701367f10 R14: ffffbd9701367f10 R15: ffff9d50466f5000

 3404 19:40:55.496672  <4>[   44.275627] FS:  00007f451cff5580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 3405 19:40:55.503570  <4>[   44.284960] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3406 19:40:55.512121  <4>[   44.291670] CR2: 0000000000000000 CR3: 000000010381e000 CR4: 00000000003506e0

 3407 19:40:55.514649  <4>[   44.299934] Call Trace:

 3408 19:40:55.519500  <4>[   44.302968]  ? __die_body.cold+0x1a/0x1f

 3409 19:40:55.524140  <4>[   44.307648]  ? no_context+0x177/0x380

 3410 19:40:55.528937  <4>[   44.312036]  ? exc_page_fault+0x53/0x170

 3411 19:40:55.533499  <4>[   44.316713]  ? asm_exc_page_fault+0x1e/0x30

 3412 19:40:55.538587  <4>[   44.321682]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3413 19:40:55.543054  <4>[   44.326940]  ? lkdtm_EXCEPTION+0x5/0x20

 3414 19:40:55.547727  <4>[   44.331522]  direct_entry.cold+0x2c/0x38

 3415 19:40:55.553055  <4>[   44.336201]  full_proxy_write+0x56/0x80

 3416 19:40:55.557140  <4>[   44.340785]  vfs_write+0xea/0x3b0

 3417 19:40:55.560518  <4>[   44.344783]  ksys_write+0x68/0xf0

 3418 19:40:55.565901  <4>[   44.348775]  do_syscall_64+0x33/0x40

 3419 19:40:55.570923  <4>[   44.353061]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3420 19:40:55.575539  <4>[   44.359000] RIP: 0033:0x7f451cf0b473

 3421 19:40:55.597453  <4>[   44.363290] 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

 3422 19:40:55.605251  <4>[   44.384564] RSP: 002b:00007ffeff99dfd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3423 19:40:55.613372  <4>[   44.393318] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f451cf0b473

 3424 19:40:55.621401  <4>[   44.401583] RDX: 000000000000000a RSI: 00007f451cdff000 RDI: 0000000000000001

 3425 19:40:55.630438  <4>[   44.409848] RBP: 00007f451cdff000 R08: 00007f451cdfe010 R09: 0000000000000000

 3426 19:40:55.638598  <4>[   44.418114] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3427 19:40:55.646537  <4>[   44.426377] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3428 19:40:55.648041  eboot_table

 3429 19:40:55.692440  # [   43.545397] CPU: 1 PID: 713 Comm: cat Tainted:<4>[   44.434649] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3430 19:40:55.697239  <4>[   44.480946] CR2: 0000000000000000

 3431 19:40:55.702054  <4>[   44.484942] ---[ end trace f8800554775ed3d3 ]---

 3432 19:40:55.706517  <4>[   44.490374] RIP: 0010:lkdtm_BUG+0x5/0x10

 3433 19:40:55.728150  <4>[   44.495034] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 3434 19:40:55.734700  <4>[   44.516305] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 3435 19:40:55.742614  <4>[   44.522436] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 3436 19:40:55.751252  <4>[   44.530702] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 3437 19:40:55.759153  <4>[   44.538967] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 3438 19:40:55.767322  <4>[   44.547234] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3439 19:40:55.775510  <4>[   44.555490] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 3440 19:40:55.784532  <4>[   44.563754] FS:  00007f451cff5580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 3441 19:40:55.792206  <4>[   44.573087] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3442 19:40:55.799666  <4>[   44.579797] CR2: 0000000000000000 CR3: 000000010381e000 CR4: 00000000003506e0

 3443 19:40:55.809849  <3>[   44.588063] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3444 19:40:55.819233  <3>[   44.598270] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 746, name: cat

 3445 19:40:55.823884  <4>[   44.606923] INFO: lockdep is turned off.

 3446 19:40:55.827679  <4>[   44.611596] irq event stamp: 0

 3447 19:40:55.834279  <4>[   44.615299] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3448 19:40:55.843624  <4>[   44.622594] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3449 19:40:55.853440  <4>[   44.632014] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3450 19:40:55.860732  <4>[   44.641443] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3451 19:40:55.869787  <4>[   44.648729] CPU: 1 PID: 746 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 3452 19:40:55.875771  <4>[   44.657570] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3453 19:40:55.880568  <4>[   44.664468] Call Trace:

 3454 19:40:55.883552  <4>[   44.667495]  dump_stack+0x77/0x9b

 3455 19:40:55.888031  <4>[   44.671494]  ___might_sleep.cold+0xa6/0xb6

 3456 19:40:55.891981  <4>[   44.676368]  exit_signals+0x1c/0x300

 3457 19:40:55.895986  <4>[   44.680654]  do_exit+0xc2/0xab0

 3458 19:40:55.900189  <4>[   44.684455]  ? ksys_write+0x68/0xf0

 3459 19:40:55.905260  <4>[   44.688644]  make_task_dead+0x2f/0x30

 3460 19:40:55.911144  <4>[   44.693020]  rewind_stack_and_make_dead+0x17/0x20

 3461 19:40:55.914788  <4>[   44.698569] RIP: 0033:0x7f451cf0b473

 3462 19:40:55.935985  <4>[   44.702847] 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

 3463 19:40:55.944451  <4>[   44.724116] RSP: 002b:00007ffeff99dfd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3464 19:40:55.952673  <4>[   44.732866] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f451cf0b473

 3465 19:40:55.961426  <4>[   44.741127] RDX: 000000000000000a RSI: 00007f451cdff000 RDI: 0000000000000001

 3466 19:40:55.969357  <4>[   44.749390] RBP: 00007f451cdff000 R08: 00007f451cdfe010 R09: 0000000000000000

 3467 19:40:55.977881  <4>[   44.757647] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3468 19:40:55.985671  <4>[   44.765906] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3469 19:40:55.989800   G      D W         5.10.206-cip41 #1

 3470 19:40:55.996687  # [   43.554284] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3471 19:40:56.003164  # [   43.567379] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3472 19:40:56.023836  # [   43.573333] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 d1 7d 0b 03 48 c7 c7 60 30 b8 97 8d 70 01 89 35 c1 7d 0b 03 e8 9a b7 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3473 19:40:56.029118  # [   43.594621] RSP: 0018:ffffbd97012f7e60 EFLAGS: 00010286

 3474 19:40:56.037386  # [   43.600770] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3475 19:40:56.046427  # [   43.609048] RDX: ffff9d50bbcac620 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50

 3476 19:40:56.053700  # [   43.623517] RBP: ffffffff97b82b07 R08: 0000000000000000 R09: 0000000000000000

 3477 19:40:56.062180  # [   43.631790] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3478 19:40:56.070015  # [   43.640068] R13: ffffbd97012f7f10 R14: ffffbd97012f7f10 R15: ffff9d5046429000

 3479 19:40:56.079580  # [   43.648338] FS:  00007fd82f011580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 3480 19:40:56.086466  # [   43.657677] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3481 19:40:56.094966  # [   43.664396] CR2: 00007fd82ee1b000 CR3: 0000000105a5a000 CR4: 00000000003506e0

 3482 19:40:56.096898  # [   43.672670] Call Trace:

 3483 19:40:56.101028  # [   43.675729]  ? __warn+0x80/0x110

 3484 19:40:56.106467  # [   43.679652]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3485 19:40:56.111666  # [   43.684930]  ? report_bug+0x9e/0xc0

 3486 19:40:56.114448  # [   43.689148]  ? handle_bug+0x41/0x90

 3487 19:40:56.118875  # [   43.693361]  ? exc_invalid_op+0x14/0x70

 3488 19:40:56.125330  # [   43.697959]  ? asm_exc_invalid_op+0x12/0x20

 3489 19:40:56.129654  # [   43.702951]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3490 19:40:56.133894  # [   43.708235]  direct_entry.cold+0x2c/0x38

 3491 19:40:56.137958  # [   43.712937]  full_proxy_write+0x56/0x80

 3492 19:40:56.141666  # [   43.717544]  vfs_write+0xea/0x3b0

 3493 19:40:56.145473  # [   43.721561]  ksys_write+0x68/0xf0

 3494 19:40:56.149522  # [   43.725582]  do_syscall_64+0x33/0x40

 3495 19:40:56.155506  # [   43.729889]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3496 19:40:56.159562  # [   43.735845] RIP: 0033:0x7fd82ef27473

 3497 19:40:56.180619  # [   43.740147] 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

 3498 19:40:56.189510  # [   43.761424] RSP: 002b:00007ffd114869a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3499 19:40:56.197455  # [   43.770190] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd82ef27473

 3500 19:40:56.205989  # [   43.784666] RDX: 0000000000000010 RSI: 00007fd82ee1b000 RDI: 0000000000000001

 3501 19:40:56.214061  # [   43.792946] RBP: 00007fd82ee1b000 R08: 00007fd82ee1a010 R09: 0000000000000000

 3502 19:40:56.222053  # [   43.801228] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3503 19:40:56.230244  # [   43.809515] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3504 19:40:56.234092  # [   43.817810] irq event stamp: 0

 3505 19:40:56.241742  # [   43.821533] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3506 19:40:56.250580  # [   43.828847] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3507 19:40:56.259372  # [   43.838295] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3508 19:40:56.266842  # [   43.847740] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3509 19:40:56.272197  # [   43.855042] ---[ end trace f8800554775ed3d2 ]---

 3510 19:40:56.276728  # WARNING_MESSAGE: saw 'message trigger': ok

 3511 19:40:56.281277  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh

 3512 19:40:56.284207  # selftests: lkdtm: EXCEPTION.sh

 3513 19:40:56.285357  # Killed

 3514 19:40:56.290808  # [   44.141872] lkdtm: Performing direct entry EXCEPTION

 3515 19:40:56.298436  # [   44.152104] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3516 19:40:56.304871  # [   44.166390] #PF: supervisor write access in kernel mode

 3517 19:40:56.310751  # [   44.172518] #PF: error_code(0x0002) - not-present page

 3518 19:40:56.314013  # [   44.178548] PGD 0 P4D 0 

 3519 19:40:56.317879  # [   44.181675] Oops: 0002 [#2] SMP PTI

 3520 19:40:56.326429  # [   44.185869] CPU: 1 PID: 746 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 3521 19:40:56.333416  # [   44.194716] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3522 19:40:56.337734  # [   44.201631] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3523 19:40:56.359321  # [   44.206891] Code: 48 c7 c7 60 30 b8 97 8d 70 01 89 35 c1 7d 0b 03 e8 9a b7 69 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

 3524 19:40:56.366318  # [   44.228170] RSP: 0018:ffffbd9701367e60 EFLAGS: 00010286

 3525 19:40:56.373607  # [   44.234303] RAX: ffffffff9657bf60 RBX: 0000000000000004 RCX: 0000000000000000

 3526 19:40:56.381746  # [   44.242570] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffffffff976f84e0

 3527 19:40:56.389798  # [   44.250835] RBP: ffffffff97a76777 R08: 0000000000000000 R09: 0000000000000000

 3528 19:40:56.398461  # [   44.259100] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3529 19:40:56.405756  # [   44.267364] R13: ffffbd9701367f10 R14: ffffbd9701367f10 R15: ffff9d50466f5000

 3530 19:40:56.415902  # [   44.275627] FS:  00007f451cff5580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 3531 19:40:56.422443  # [   44.284960] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3532 19:40:56.430091  # [   44.291670] CR2: 0000000000000000 CR3: 000000010381e000 CR4: 00000000003506e0

 3533 19:40:56.433138  # [   44.299934] Call Trace:

 3534 19:40:56.437800  # [   44.302968]  ? __die_body.cold+0x1a/0x1f

 3535 19:40:56.442105  # [   44.307648]  ? no_context+0x177/0x380

 3536 19:40:56.446580  # [   44.312036]  ? exc_page_fault+0x53/0x170

 3537 19:40:56.451348  # [   44.316713]  ? asm_exc_page_fault+0x1e/0x30

 3538 19:40:56.456789  # [   44.321682]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3539 19:40:56.461090  # [   44.326940]  ? lkdtm_EXCEPTION+0x5/0x20

 3540 19:40:56.465857  # [   44.331522]  direct_entry.cold+0x2c/0x38

 3541 19:40:56.469768  # [   44.336201]  full_proxy_write+0x56/0x80

 3542 19:40:56.474557  # [   44.340785]  vfs_write+0xea/0x3b0

 3543 19:40:56.477912  # [   44.344783]  ksys_write+0x68/0xf0

 3544 19:40:56.482209  # [   44.348775]  do_syscall_64+0x33/0x40

 3545 19:40:56.487690  # [   44.353061]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3546 19:40:56.492085  # [   44.359000] RIP: 0033:0x7f451cf0b473

 3547 19:40:56.513586  # [   44.363290] 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

 3548 19:40:56.522089  # [   44.384564] RSP: 002b:00007ffeff99dfd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3549 19:40:56.529645  # [   44.393318] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f451cf0b473

 3550 19:40:56.538039  # [   44.401583] RDX: 000000000000000a RSI: 00007f451cdff000 RDI: 0000000000000001

 3551 19:40:56.545871  # [   44.409848] RBP: 00007f451cdff000 R08: 00007f451cdfe010 R09: 0000000000000000

 3552 19:40:56.554217  # [   44.418114] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3553 19:40:56.563316  # [   44.426377] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3554 19:40:56.601957  # [   44.434649] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3555 19:40:56.605913  # [   44.480946] CR2: 0000000000000000

 3556 19:40:56.612466  # [   44.484942] ---[ end trace f8800554775ed3d3 ]---

 3557 19:40:56.615845  # [   44.490374] RIP: 0010:lkdtm_BUG+0x5/0x10

 3558 19:40:56.637671  # [   44.495034] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 3559 19:40:56.643373  # [   44.516305] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 3560 19:40:56.652294  # [   44.522436] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 3561 19:40:56.659574  # [   44.530702] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 3562 19:40:56.667971  # [   44.538967] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 3563 19:40:56.675908  # [   44.547234] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3564 19:40:56.683906  # [   44.555490] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 3565 19:40:56.693020  # [   44.563754] FS:  00007f451cff5580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 3566 19:40:56.699751  # [   44.573087] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3567 19:40:56.708135  # [   44.579797] CR2: 0000000000000000 CR3: 000000010381e000 CR4: 00000000003506e0

 3568 19:40:56.718054  # [   44.588063] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3569 19:40:56.727292  # [   44.598270] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 746, name: cat

 3570 19:40:56.731642  # [   44.606923] INFO: lockdep is turned off.

 3571 19:40:56.734972  # [   44.611596] irq event stamp: 0

 3572 19:40:56.742318  # [   44.615299] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3573 19:40:56.751412  # [   44.622594] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3574 19:40:56.760758  # [   44.632014] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3575 19:40:56.767422  # [   44.641443] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3576 19:40:56.776498  # [   44.648729] CPU: 1 PID: 746 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 3577 19:40:56.783772  # [   44.657570] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3578 19:40:56.786454  # [   44.664468] Call Trace:

 3579 19:40:56.789711  # [   44.667495]  dump_stack+0x77/0x9b

 3580 19:40:56.794456  # [   44.671494]  ___might_sleep.cold+0xa6/0xb6

 3581 19:40:56.798597  # [   44.676368]  exit_signals+0x1c/0x300

 3582 19:40:56.802414  # [   44.680654]  do_exit+0xc2/0xab0

 3583 19:40:56.806331  # [   44.684455]  ? ksys_write+0x68/0xf0

 3584 19:40:56.811054  # [   44.688644]  make_task_dead+0x2f/0x30

 3585 19:40:56.816437  # [   44.693020]  rewind_stack_and_make_dead+0x17/0x20

 3586 19:40:56.820606  # [   44.698569] RIP: 0033:0x7f451cf0b473

 3587 19:40:56.841860  # [   44.702847] 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

 3588 19:40:56.850271  # [   44.724116] RSP: 002b:00007ffeff99dfd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3589 19:40:56.862476  # [   44.732866] RAX: ffffffffffffffda RBX: 000000<6>[   45.641400] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3590 19:40:56.867252  <6>[   45.650293] lkdtm: attempting good list addition

 3591 19:40:56.873820  <6>[   45.655779] lkdtm: attempting corrupted list addition

 3592 19:40:56.879330  <3>[   45.661728] lkdtm: list_add() corruption not detected!

 3593 19:40:56.883111  000000000a RCX: 00007f451cf0b473

 3594 19:40:56.891260  # [   44.741127] RDX: 000000000000000a RSI: 00007f451cdff000 RDI: 0000000000000001

 3595 19:40:56.899567  # [   44.749390] RBP: 00007f451cdff000 R08: 00007f451cdfe010 R09: 0000000000000000

 3596 19:40:56.907583  # [   44.757647] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3597 19:40:56.915617  # [   44.765906] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3598 19:40:56.919232  # EXCEPTION: saw 'call trace:': ok

 3599 19:40:56.923027  ok 5 selftests: lkdtm: EXCEPTION.sh

 3600 19:40:56.925746  # selftests: lkdtm: LOOP.sh

 3601 19:40:56.928615  # Skipping LOOP: Hangs the system

 3602 19:40:56.932796  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 3603 19:40:56.936732  # selftests: lkdtm: EXHAUST_STACK.sh

 3604 19:40:56.941529  # Skipping EXHAUST_STACK: Corrupts memory on failure

 3605 19:40:56.946716  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 3606 19:40:56.950580  # selftests: lkdtm: CORRUPT_STACK.sh

 3607 19:40:56.955855  # Skipping CORRUPT_STACK: Crashes entire system on success

 3608 19:40:56.960784  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP

 3609 19:40:56.964962  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 3610 19:40:56.971250  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 3611 19:40:56.977453  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 3612 19:40:56.980376  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 3613 19:40:56.986941  # [   45.641400] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3614 19:40:56.992639  # [   45.650293] lkdtm: attempting good list addition

 3615 19:40:56.998336  # [   45.655779] lkdtm: attempting corrupted list addition

 3616 19:40:57.003901  # [   45.661728] lkdtm: list_add() corruption not detected!

 3617 19:40:57.009766  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]

 3618 19:40:57.015619  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 3619 19:40:57.019215  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 3620 19:40:57.151549  <6>[   45.933161] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3621 19:40:57.156772  <6>[   45.939735] lkdtm: attempting good list removal

 3622 19:40:57.163961  <6>[   45.945124] lkdtm: attempting corrupted list removal

 3623 19:40:57.168248  <3>[   45.950980] lkdtm: list_del() corruption not detected!

 3624 19:40:57.219666  # [   45.933161] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3625 19:40:57.224468  # [   45.939735] lkdtm: attempting good list removal

 3626 19:40:57.230269  # [   45.945124] lkdtm: attempting corrupted list removal

 3627 19:40:57.235504  # [   45.950980] lkdtm: list_del() corruption not detected!

 3628 19:40:57.241093  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]

 3629 19:40:57.254201  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 3630 19:40:57.267352  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3631 19:40:57.433687  <6>[   46.214464] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3632 19:40:57.441663  <6>[   46.221830] lkdtm: attempting bad read from page below current stack

 3633 19:40:57.452647  <0>[   46.229265] BUG: stack guard page was hit at 000000003e977525 (stack is 0000000049d88785..000000009ddcca12)

 3634 19:40:57.459964  <4>[   46.240451] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3635 19:40:57.469653  <4>[   46.247555] CPU: 1 PID: 978 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 3636 19:40:57.475233  <4>[   46.256404] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3637 19:40:57.482664  <4>[   46.263323] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3638 19:40:57.503571  <4>[   46.270136] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 00 34 b8 97 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ea de fb ff 48 c7 c7 40 34 b8 97 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d0 de fb ff 0f 1f 44

 3639 19:40:57.509904  <4>[   46.291413] RSP: 0018:ffffbd97016ffe50 EFLAGS: 00010246

 3640 19:40:57.518430  <4>[   46.297549] RAX: 0000000000000038 RBX: ffffbd97016fc000 RCX: 0000000000000000

 3641 19:40:57.526442  <4>[   46.305815] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffffffff97b83440

 3642 19:40:57.534426  <4>[   46.314081] RBP: ffffffff97b82b6a R08: 0000000000000000 R09: 0000000000000000

 3643 19:40:57.542503  <4>[   46.322347] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3644 19:40:57.550462  <4>[   46.330614] R13: ffffbd97016fff10 R14: ffffbd97016fff10 R15: ffff9d5046de6000

 3645 19:40:57.560255  <4>[   46.338882] FS:  00007eff1393d580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 3646 19:40:57.566663  <4>[   46.348216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3647 19:40:57.574886  <4>[   46.354927] CR2: ffffbd97016fbfff CR3: 00000001046ec000 CR4: 00000000003506e0

 3648 19:40:57.579525  <4>[   46.363192] Call Trace:

 3649 19:40:57.580903  <4>[   46.366220]  <#DF>

 3650 19:40:57.585842  <4>[   46.368768]  ? __die_body.cold+0x1a/0x1f

 3651 19:40:57.589168  <4>[   46.373448]  ? die+0x2b/0x50

 3652 19:40:57.594062  <4>[   46.376963]  ? handle_stack_overflow+0x3e/0x4d

 3653 19:40:57.598377  <4>[   46.382227]  ? no_context+0x24d/0x380

 3654 19:40:57.601331  <4>[   46.386609]  </#DF>

 3655 19:40:57.641731  <4>[   46.389242] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3656 19:40:57.646662  <4>[   46.429353] ---[ end trace f8800554775ed3d4 ]---

 3657 19:40:57.651754  <4>[   46.434810] RIP: 0010:lkdtm_BUG+0x5/0x10

 3658 19:40:57.672449  <4>[   46.439487] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 3659 19:40:57.678642  <4>[   46.460765] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 3660 19:40:57.686951  <4>[   46.466896] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 3661 19:40:57.695425  <4>[   46.475164] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 3662 19:40:57.704071  <4>[   46.483430] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 3663 19:40:57.711809  <4>[   46.491698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3664 19:40:57.719799  <4>[   46.499966] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 3665 19:40:57.729534  <4>[   46.508235] FS:  00007eff1393d580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 3666 19:40:57.736304  <4>[   46.517568] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3667 19:40:57.745180  <4>[   46.524283] CR2: ffffbd97016fbfff CR3: 00000001046ec000 CR4: 00000000003506e0

 3668 19:40:57.754797  <3>[   46.532553] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3669 19:40:57.763530  <3>[   46.542762] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat

 3670 19:40:57.767716  <4>[   46.551417] INFO: lockdep is turned off.

 3671 19:40:57.771723  <4>[   46.556088] irq event stamp: 0

 3672 19:40:57.778807  <4>[   46.559793] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3673 19:40:57.788631  <4>[   46.567092] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3674 19:40:57.797324  <4>[   46.576519] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3675 19:40:57.804816  <4>[   46.585949] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3676 19:40:57.814042  <4>[   46.593248] CPU: 1 PID: 978 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 3677 19:40:57.821191  <4>[   46.602095] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3678 19:40:57.824675  <4>[   46.609000] Call Trace:

 3679 19:40:57.827842  <4>[   46.612031]  dump_stack+0x77/0x9b

 3680 19:40:57.833243  <4>[   46.616034]  ___might_sleep.cold+0xa6/0xb6

 3681 19:40:57.836648  <4>[   46.620909]  exit_signals+0x1c/0x300

 3682 19:40:57.841746  <4>[   46.625197]  do_exit+0xc2/0xab0

 3683 19:40:57.844769  <4>[   46.629001]  ? ksys_write+0x68/0xf0

 3684 19:40:57.849596  <4>[   46.633195]  make_task_dead+0x2f/0x30

 3685 19:40:57.854839  <4>[   46.637581]  rewind_stack_and_make_dead+0x17/0x20

 3686 19:40:57.859026  <4>[   46.643131] RIP: 0033:0x7eff13853473

 3687 19:40:57.880088  <4>[   46.647419] 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

 3688 19:40:57.889327  <4>[   46.668699] RSP: 002b:00007ffc31d01918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3689 19:40:57.897551  <4>[   46.677452] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007eff13853473

 3690 19:40:57.905628  <4>[   46.685719] RDX: 0000000000000019 RSI: 00007eff13747000 RDI: 0000000000000001

 3691 19:40:57.914162  <4>[   46.693986] RBP: 00007eff13747000 R08: 00007eff13746010 R09: 0000000000000000

 3692 19:40:57.922597  <4>[   46.702253] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3693 19:40:57.930426  <4>[   46.710520] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3694 19:40:57.933432  # Segmentation fault

 3695 19:40:57.986767  # [   46.214464] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3696 19:40:57.993455  # [   46.221830] lkdtm: attempting bad read from page below current stack

 3697 19:40:58.004490  # [   46.229265] BUG: stack guard page was hit at 000000003e977525 (stack is 0000000049d88785..000000009ddcca12)

 3698 19:40:58.011154  # [   46.240451] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3699 19:40:58.020310  # [   46.247555] CPU: 1 PID: 978 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 3700 19:40:58.028348  # [   46.256404] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3701 19:40:58.034001  # [   46.263323] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3702 19:40:58.054987  # [   46.270136] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 00 34 b8 97 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ea de fb ff 48 c7 c7 40 34 b8 97 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d0 de fb ff 0f 1f 44

 3703 19:40:58.061029  # [   46.291413] RSP: 0018:ffffbd97016ffe50 EFLAGS: 00010246

 3704 19:40:58.069591  # [   46.297549] RAX: 0000000000000038 RBX: ffffbd97016fc000 RCX: 0000000000000000

 3705 19:40:58.077224  # [   46.305815] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffffffff97b83440

 3706 19:40:58.085215  # [   46.314081] RBP: ffffffff97b82b6a R08: 0000000000000000 R09: 0000000000000000

 3707 19:40:58.093423  # [   46.322347] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3708 19:40:58.101537  # [   46.330614] R13: ffffbd97016fff10 R14: ffffbd97016fff10 R15: ffff9d5046de6000

 3709 19:40:58.110540  # [   46.338882] FS:  00007eff1393d580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 3710 19:40:58.117342  # [   46.348216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3711 19:40:58.125527  # [   46.354927] CR2: ffffbd97016fbfff CR3: 00000001046ec000 CR4: 00000000003506e0

 3712 19:40:58.128667  # [   46.363192] Call Trace:

 3713 19:40:58.131877  # [   46.366220]  <#DF>

 3714 19:40:58.135274  # [   46.368768]  ? __die_body.cold+0x1a/0x1f

 3715 19:40:58.140660  # [   46.373448]  ? die+0x2b/0x50

 3716 19:40:58.144193  # [   46.376963]  ? handle_stack_overflow+0x3e/0x4d

 3717 19:40:58.148812  # [   46.382227]  ? no_context+0x24d/0x380

 3718 19:40:58.150962  # [   46.386609]  </#DF>

 3719 19:40:58.191292  # [   46.389242] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3720 19:40:58.196399  # [   46.429353] ---[ end trace f8800554775ed3d4 ]---

 3721 19:40:58.201614  # [   46.434810] RIP: 0010:lkdtm_BUG+0x5/0x10

 3722 19:40:58.221735  # [   46.439487] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 3723 19:40:58.227714  # [   46.460765] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 3724 19:40:58.237046  # [   46.466896] RAX: f<6>[   47.012804] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3725 19:40:58.244851  <6>[   47.025920] lkdtm: attempting bad read from page above current stack

 3726 19:40:58.256153  <0>[   47.033360] BUG: stack guard page was hit at 00000000a93252ee (stack is 000000009de0840e..00000000cba71722)

 3727 19:40:58.262143  f<ffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 3728 19:40:58.269282  # [4>[   47.044549] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3729 19:40:58.284816     46.475164] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: f<4>[   47.057869] CPU: 1 PID: 1012 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 3730 19:40:58.291239  <4>[   47.073020] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3731 19:40:58.292903  fffffff976f84b0

 3732 19:40:58.304522  # [   46.483430] RBP: ffffffff97be8e88 R08: 000<4>[   47.079934] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3733 19:40:58.325691  <4>[   47.093055] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 78 34 b8 97 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b0 de fb ff 48 c7 c7 b8 34 b8 97 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 93 de fb ff

 3734 19:40:58.331799  <4>[   47.114329] RSP: 0018:ffffbd970179fe50 EFLAGS: 00010246

 3735 19:40:58.340234  <4>[   47.120463] RAX: 0000000000000038 RBX: ffffbd970179c000 RCX: 0000000000000000

 3736 19:40:58.349364  <4>[   47.128724] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffffffff97b834b8

 3737 19:40:58.357055  <4>[   47.136984] RBP: ffffffff97b82b83 R08: 0000000000000000 R09: 0000000000000000

 3738 19:40:58.365046  <4>[   47.145245] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3739 19:40:58.373715  <4>[   47.153507] R13: ffffbd970179ff10 R14: ffffbd970179ff10 R15: ffff9d504666f000

 3740 19:40:58.383335  <4>[   47.161769] FS:  00007f6c00348580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 3741 19:40:58.389900  <4>[   47.171099] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3742 19:40:58.398028  <4>[   47.177803] CR2: ffffbd97017a0000 CR3: 00000001059f2000 CR4: 00000000003506e0

 3743 19:40:58.400854  <4>[   47.186067] Call Trace:

 3744 19:40:58.403104  <4>[   47.189093]  <#DF>

 3745 19:40:58.408023  <4>[   47.191640]  ? __die_body.cold+0x1a/0x1f

 3746 19:40:58.411727  <4>[   47.196318]  ? die+0x2b/0x50

 3747 19:40:58.416821  <4>[   47.199831]  ? handle_stack_overflow+0x3e/0x4d

 3748 19:40:58.421504  <4>[   47.205092]  ? no_context+0x24d/0x380

 3749 19:40:58.423928  <4>[   47.209475]  </#DF>

 3750 19:40:58.463864  <4>[   47.212109] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3751 19:40:58.470000  <4>[   47.252209] ---[ end trace f8800554775ed3d5 ]---

 3752 19:40:58.473968  <4>[   47.257663] RIP: 0010:lkdtm_BUG+0x5/0x10

 3753 19:40:58.495608  <4>[   47.262340] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 3754 19:40:58.501894  <4>[   47.283606] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 3755 19:40:58.510482  <4>[   47.289735] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 3756 19:40:58.518344  <4>[   47.298000] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 3757 19:40:58.526139  <4>[   47.306265] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 3758 19:40:58.534260  <4>[   47.314527] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3759 19:40:58.543246  <4>[   47.322792] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 3760 19:40:58.552162  <4>[   47.331057] FS:  00007f6c00348580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 3761 19:40:58.558723  <4>[   47.340391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3762 19:40:58.566829  <4>[   47.347104] CR2: ffffbd97017a0000 CR3: 00000001059f2000 CR4: 00000000003506e0

 3763 19:40:58.570934  0000000000001 R09: 0000000000000001

 3764 19:40:58.578839  # [   46.491698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3765 19:40:58.587460  # [   46.499966] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 3766 19:40:58.596288  # [   46.508235] FS:  00007eff1393d580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 3767 19:40:58.603079  # [   46.517568] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3768 19:40:58.611118  # [   46.524283] CR2: ffffbd97016fbfff CR3: 00000001046ec000 CR4: 00000000003506e0

 3769 19:40:58.621526  # [   46.532553] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3770 19:40:58.629921  # [   46.542762] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat

 3771 19:40:58.634400  # [   46.551417] INFO: lockdep is turned off.

 3772 19:40:58.637903  # [   46.556088] irq event stamp: 0

 3773 19:40:58.644844  # [   46.559793] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3774 19:40:58.654699  # [   46.567092] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3775 19:40:58.664524  # [   46.576519] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3776 19:40:58.670733  # [   46.585949] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3777 19:40:58.679832  # [   46.593248] CPU: 1 PID: 978 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 3778 19:40:58.686219  # [   46.602095] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3779 19:40:58.689326  # [   46.609000] Call Trace:

 3780 19:40:58.693515  # [   46.612031]  dump_stack+0x77/0x9b

 3781 19:40:58.699467  # [   46.616034]  ___might_sleep.cold+0xa6/0xb6

 3782 19:40:58.702074  # [   46.620909]  exit_signals+0x1c/0x300

 3783 19:40:58.705593  # [   46.625197]  do_exit+0xc2/0xab0

 3784 19:40:58.709689  # [   46.629001]  ? ksys_write+0x68/0xf0

 3785 19:40:58.714484  # [   46.633195]  make_task_dead+0x2f/0x30

 3786 19:40:58.719823  # [   46.637581]  rewind_stack_and_make_dead+0x17/0x20

 3787 19:40:58.723766  # [   46.643131] RIP: 0033:0x7eff13853473

 3788 19:40:58.745457  # [   46.647419] 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

 3789 19:40:58.755229  # [   46.668699] RSP: 002b:00007ffc31d01918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3790 19:40:58.762786  # [   46.677452] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007eff13853473

 3791 19:40:58.770095  # [   46.685719] RDX: 0000000000000019 RSI: 00007eff13747000 RDI: 0000000000000001

 3792 19:40:58.777847  # [   46.693986] RBP: 00007eff13747000 R08: 00007eff13746010 R09: 0000000000000000

 3793 19:40:58.786652  # [   46.702253] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3794 19:40:58.794594  # [   46.710520] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3795 19:40:58.799888  # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok

 3796 19:40:58.804381  ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3797 19:40:58.809264  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3798 19:40:58.811771  # Segmentation fault

 3799 19:40:58.819284  # [   47.012804] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3800 19:40:58.826303  # [   47.025920] lkdtm: attempting bad read from page above current stack

 3801 19:40:58.837144  # [   47.033360] BUG: stack guard page was hit at 00000000a93252ee (stack is 000000009de0840e..00000000cba71722)

 3802 19:40:58.844388  # [   47.044549] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3803 19:40:58.852823  # [   47.057869] CPU: 1 PID: 1012 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 3804 19:40:58.858866  #<6>[   47.635675] lkdtm: Performing direct entry UNSET_SMEP

 3805 19:40:58.864728  <6>[   47.647147] lkdtm: trying to clear SMEP normally

 3806 19:40:58.870109  <4>[   47.652643] ------------[ cut here ]------------

 3807 19:40:58.881448   [   47.073020] Hardware name: Google Coral/Coral, BIOS  09/29/2<4>[   47.658125] pinned CR4 bits changed: 0x100000!?

 3808 19:40:58.881930  020

 3809 19:40:58.898008  # [   47.079934] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+<4>[   47.669698] WARNING: CPU: 2 PID: 1049 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60

 3810 19:40:58.899425  0x27/0x3d

 3811 19:40:58.946150  # [   47.093055] Code: de fb ff 0f 1f 44 00 00 53 48 <4>[   47.686392] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3812 19:40:58.954039  <4>[   47.732651] CPU: 2 PID: 1049 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 3813 19:40:58.960001  <4>[   47.741609] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3814 19:40:58.965573  <4>[   47.748532] RIP: 0010:native_write_cr4+0x45/0x60

 3815 19:40:58.987290  <4>[   47.753998] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d b8 5e 66 02 00 75 f2 48 c7 c7 18 08 a8 97 c6 05 a8 5e 66 02 01 e8 75 55 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3816 19:40:58.992864  <4>[   47.775266] RSP: 0018:ffffbd9701847e48 EFLAGS: 00010286

 3817 19:40:59.007464  c7 c7 78 34 b8 97 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b<4>[   47.781402] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000

 3818 19:40:59.016379  <4>[   47.795890] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50

 3819 19:40:59.024810  <4>[   47.804165] RBP: ffffffff97b82b9d R08: 0000000000000000 R09: 0000000000000000

 3820 19:40:59.032734  <4>[   47.812440] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3821 19:40:59.041685  <4>[   47.820714] R13: ffffbd9701847f10 R14: ffffbd9701847f10 R15: ffff9d50466f4000

 3822 19:40:59.056452  0 de fb ff 48 c7 c7 b8 34 b8 97 <8a> 83 00 40 00 00 88 44 24 07 <4>[   47.829044] FS:  00007f05ecf58580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 3823 19:40:59.063141  <4>[   47.844600] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3824 19:40:59.071209  <4>[   47.851336] CR2: 00007f05ecd62000 CR3: 000000010593a000 CR4: 00000000003506e0

 3825 19:40:59.074596  <4>[   47.859623] Call Trace:

 3826 19:40:59.078460  <4>[   47.862672]  ? __warn+0x80/0x110

 3827 19:40:59.082859  <4>[   47.866594]  ? native_write_cr4+0x45/0x60

 3828 19:40:59.086876  <4>[   47.871391]  ? report_bug+0x9e/0xc0

 3829 19:40:59.091179  <4>[   47.875604]  ? handle_bug+0x41/0x90

 3830 19:40:59.096152  <4>[   47.879812]  ? exc_invalid_op+0x14/0x70

 3831 19:40:59.101739  <4>[   47.884409]  ? asm_exc_invalid_op+0x12/0x20

 3832 19:40:59.106013  <4>[   47.889406]  ? native_write_cr4+0x45/0x60

 3833 19:40:59.111455  <4>[   47.894202]  ? native_write_cr4+0x45/0x60

 3834 19:40:59.116260  <4>[   47.898997]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3835 19:40:59.120596  <4>[   47.904178]  direct_entry.cold+0x2c/0x38

 3836 19:40:59.125458  <4>[   47.908876]  full_proxy_write+0x56/0x80

 3837 19:40:59.129388  <4>[   47.913482]  vfs_write+0xea/0x3b0

 3838 19:40:59.133489  <4>[   47.917507]  ksys_write+0x68/0xf0

 3839 19:40:59.138379  <4>[   47.921529]  do_syscall_64+0x33/0x40

 3840 19:40:59.145153  <4>[   47.925834]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3841 19:40:59.147530  <4>[   47.931793] RIP: 0033:0x7f05ece6e473

 3842 19:40:59.168596  <4>[   47.936099] 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

 3843 19:40:59.173116  0f b6 74 24 07 5a 5b e9 93 de fb ff

 3844 19:40:59.183815  # [   47.114329] RSP: 0018:<4>[   47.957390] RSP: 002b:00007ffebe3f4678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3845 19:40:59.192107  <4>[   47.972360] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f05ece6e473

 3846 19:40:59.200220  <4>[   47.980647] RDX: 000000000000000b RSI: 00007f05ecd62000 RDI: 0000000000000001

 3847 19:40:59.208762  <4>[   47.988937] RBP: 00007f05ecd62000 R08: 00007f05ecd61010 R09: 0000000000000000

 3848 19:40:59.217449  <4>[   47.997223] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3849 19:40:59.225811  <4>[   48.005503] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3850 19:40:59.228818  <4>[   48.013803] irq event stamp: 0

 3851 19:40:59.237834  <4>[   48.017529] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3852 19:40:59.246516  <4>[   48.024849] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3853 19:40:59.255444  <4>[   48.034290] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3854 19:40:59.263010  <4>[   48.043743] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3855 19:40:59.268148  <4>[   48.051055] ---[ end trace f8800554775ed3d6 ]---

 3856 19:40:59.273767  <6>[   48.056523] lkdtm: ok: SMEP did not get cleared

 3857 19:40:59.279930  <6>[   48.061899] lkdtm: trying to clear SMEP with call gadget

 3858 19:40:59.285422  <6>[   48.068147] lkdtm: ok: SMEP removal was reverted

 3859 19:40:59.288929  ffffbd970179fe50 EFLAGS: 00010246

 3860 19:40:59.297211  # [   47.120463] RAX: 0000000000000038 RBX: ffffbd970179c000 RCX: 0000000000000000

 3861 19:40:59.305236  # [   47.128724] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffffffff97b834b8

 3862 19:40:59.313046  # [   47.136984] RBP: ffffffff97b82b83 R08: 0000000000000000 R09: 0000000000000000

 3863 19:40:59.321569  # [   47.145245] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3864 19:40:59.329624  # [   47.153507] R13: ffffbd970179ff10 R14: ffffbd970179ff10 R15: ffff9d504666f000

 3865 19:40:59.338889  # [   47.161769] FS:  00007f6c00348580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 3866 19:40:59.345701  # [   47.171099] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3867 19:40:59.353835  # [   47.177803] CR2: ffffbd97017a0000 CR3: 00000001059f2000 CR4: 00000000003506e0

 3868 19:40:59.356515  # [   47.186067] Call Trace:

 3869 19:40:59.359350  # [   47.189093]  <#DF>

 3870 19:40:59.363125  # [   47.191640]  ? __die_body.cold+0x1a/0x1f

 3871 19:40:59.366833  # [   47.196318]  ? die+0x2b/0x50

 3872 19:40:59.371903  # [   47.199831]  ? handle_stack_overflow+0x3e/0x4d

 3873 19:40:59.376570  # [   47.205092]  ? no_context+0x24d/0x380

 3874 19:40:59.379635  # [   47.209475]  </#DF>

 3875 19:40:59.419392  # [   47.212109] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3876 19:40:59.423898  # [   47.252209] ---[ end trace f8800554775ed3d5 ]---

 3877 19:40:59.428835  # [   47.257663] RIP: 0010:lkdtm_BUG+0x5/0x10

 3878 19:40:59.449425  # [   47.262340] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 3879 19:40:59.456210  # [   47.283606] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 3880 19:40:59.464313  # [   47.289735] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 3881 19:40:59.472180  # [   47.298000] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 3882 19:40:59.480277  # [   47.306265] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 3883 19:40:59.488663  # [   47.314527] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3884 19:40:59.496190  # [   47.322792] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 3885 19:40:59.506052  # [   47.331057] FS:  00007f6c00348580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 3886 19:40:59.512222  # [   47.340391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3887 19:40:59.520389  # [   47.347104] CR2: ffffbd97017a0000 CR3: 00000001059f2000 CR4: 00000000003506e0

 3888 19:40:59.527060  # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok

 3889 19:40:59.531201  ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3890 19:40:59.534815  # selftests: lkdtm: UNSET_SMEP.sh

 3891 19:40:59.541422  # [   47.635675] lkdtm: Performing direct entry UNSET_SMEP

 3892 19:40:59.545344  # [   47.647147] lkdtm: trying to clear SMEP normally

 3893 19:40:59.550825  # [   47.652643] ------------[ cut here ]------------

 3894 19:40:59.556059  # [   47.658125] pinned CR4 bits changed: 0x100000!?

 3895 19:40:59.566355  # [   47.669698] WARNING: CPU: 2 PID: 1049 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60

 3896 19:40:59.583627  # [   47.686392] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cro<6>[   48.363433] lkdtm: Performing direct entry DOUBLE_FAULT

 3897 19:40:59.588783  <3>[   48.371975] lkdtm: XFAIL: this test is ia32-only

 3898 19:40:59.618965  s_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 3899 19:40:59.626881  # [   47.732651] CPU: 2 PID: 1049 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 3900 19:40:59.633894  # [   47.741609] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 3901 19:40:59.639687  # [   47.748532] RIP: 0010:native_write_cr4+0x45/0x60

 3902 19:40:59.659519  # [   47.753998] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d b8 5e 66 02 00 75 f2 48 c7 c7 18 08 a8 97 c6 05 a8 5e 66 02 01 e8 75 55 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3903 19:40:59.665587  # [   47.775266] RSP: 0018:ffffbd9701847e48 EFLAGS: 00010286

 3904 19:40:59.674231  # [   47.781402] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000

 3905 19:40:59.682302  # [   47.795890] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50

 3906 19:40:59.689925  # [   47.804165] RBP: ffffffff97b82b9d R08: 0000000000000000 R09: 0000000000000000

 3907 19:40:59.698363  # [   47.812440] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3908 19:40:59.706487  # [   47.820714] R13: ffffbd9701847f10 R14: ffffbd9701847f10 R15: ffff9d50466f4000

 3909 19:40:59.715708  # [   47.829044] FS:  00007f05ecf58580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 3910 19:40:59.722163  # [   47.844600] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3911 19:40:59.730242  # [   47.851336] CR2: 00007f05ecd62000 CR3: 000000010593a000 CR4: 00000000003506e0

 3912 19:40:59.733331  # [   47.859623] Call Trace:

 3913 19:40:59.736799  # [   47.862672]  ? __warn+0x80/0x110

 3914 19:40:59.741673  # [   47.866594]  ? native_write_cr4+0x45/0x60

 3915 19:40:59.746564  # [   47.871391]  ? report_bug+0x9e/0xc0

 3916 19:40:59.749538  # [   47.875604]  ? handle_bug+0x41/0x90

 3917 19:40:59.754253  # [   47.879812]  ? exc_invalid_op+0x14/0x70

 3918 19:40:59.759109  # [   47.884409]  ? asm_exc_invalid_op+0x12/0x20

 3919 19:40:59.763806  # [   47.889406]  ? native_write_cr4+0x45/0x60

 3920 19:40:59.768954  # [   47.894202]  ? native_write_cr4+0x45/0x60

 3921 19:40:59.774037  # [   47.898997]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3922 19:40:59.777981  # [   47.904178]  direct_entry.cold+0x2c/0x38

 3923 19:40:59.782468  # [   47.908876]  full_proxy_write+0x56/0x80

 3924 19:40:59.786784  # [   47.913482]  vfs_write+0xea/0x3b0

 3925 19:40:59.790352  # [   47.917507]  ksys_write+0x68/0xf0

 3926 19:40:59.794428  # [   47.921529]  do_syscall_64+0x33/0x40

 3927 19:40:59.801206  # [   47.925834]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3928 19:40:59.804218  # [   47.931793] RIP: 0033:0x7f05ece6e473

 3929 19:40:59.826071  # [   47.936099] 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

 3930 19:40:59.836715  # [   47.957390] RSP: 002b:00007ffebe3f4678 EFLAGS: 00<6>[   48.613229] lkdtm: Performing direct entry CORRUPT_PAC

 3931 19:40:59.842558  <3>[   48.625393] lkdtm: XFAIL: this test is arm64-only

 3932 19:40:59.845835  000246 ORIG_RAX: 0000000000000001

 3933 19:40:59.854449  # [   47.972360] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f05ece6e473

 3934 19:40:59.861994  # [   47.980647] RDX: 000000000000000b RSI: 00007f05ecd62000 RDI: 0000000000000001

 3935 19:40:59.869789  # [   47.988937] RBP: 00007f05ecd62000 R08: 00007f05ecd61010 R09: 0000000000000000

 3936 19:40:59.878142  # [   47.997223] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3937 19:40:59.887111  # [   48.005503] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3938 19:40:59.889942  # [   48.013803] irq event stamp: 0

 3939 19:40:59.897470  # [   48.017529] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3940 19:40:59.906462  # [   48.024849] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3941 19:40:59.916054  # [   48.034290] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 3942 19:40:59.924239  # [   48.043743] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3943 19:40:59.929448  # [   48.051055] ---[ end trace f8800554775ed3d6 ]---

 3944 19:40:59.933658  # [   48.056523] lkdtm: ok: SMEP did not get cleared

 3945 19:40:59.939370  # [   48.061899] lkdtm: trying to clear SMEP with call gadget

 3946 19:40:59.946378  # [   48.068147] lkdtm: ok: SMEP removal was reverted

 3947 19:40:59.949910  # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok

 3948 19:40:59.954131  ok 14 selftests: lkdtm: UNSET_SMEP.sh

 3949 19:40:59.957087  # selftests: lkdtm: DOUBLE_FAULT.sh

 3950 19:40:59.963257  # [   48.363433] lkdtm: Performing direct entry DOUBLE_FAULT

 3951 19:40:59.968328  # [   48.371975] lkdtm: XFAIL: this test is ia32-only

 3952 19:40:59.972275  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]

 3953 19:40:59.976827  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP

 3954 19:40:59.980243  # selftests: lkdtm: CORRUPT_PAC.sh

 3955 19:40:59.986120  # [   48.613229] lkdtm: Performing direct entry CORRUPT_PAC

 3956 19:40:59.991667  # [   48.625393] lkdtm: XFAIL: this test is arm64-only

 3957 19:40:59.995100  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 3958 19:40:59.999661  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 3959 19:41:00.004436  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 3960 19:41:00.085784  <6>[   48.866951] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3961 19:41:00.093554  <3>[   48.874456] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3962 19:41:00.145997  # [   48.866951] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3963 19:41:00.153123  # [   48.874456] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3964 19:41:00.165097  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 3965 19:41:00.179733  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 3966 19:41:00.190932  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 3967 19:41:00.292399  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 3968 19:41:00.297340  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 3969 19:41:00.307479  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 3970 19:41:00.409190  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 3971 19:41:00.414443  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 3972 19:41:00.424991  # selftests: lkdtm: READ_AFTER_FREE.sh

 3973 19:41:00.567053  <6>[   49.349070] lkdtm: Performing direct entry READ_AFTER_FREE

 3974 19:41:00.573851  <6>[   49.355534] lkdtm: Value in memory before free: 12345678

 3975 19:41:00.579702  <6>[   49.361781] lkdtm: Attempting bad read from freed memory

 3976 19:41:00.584032  <6>[   49.368028] lkdtm: Memory was not poisoned

 3977 19:41:00.634806  # [   49.349070] lkdtm: Performing direct entry READ_AFTER_FREE

 3978 19:41:00.641188  # [   49.355534] lkdtm: Value in memory before free: 12345678

 3979 19:41:00.647553  # [   49.361781] lkdtm: Attempting bad read from freed memory

 3980 19:41:00.651903  # [   49.368028] lkdtm: Memory was not poisoned

 3981 19:41:00.656837  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 3982 19:41:00.666154  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 3983 19:41:00.677690  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh

 3984 19:41:00.783965  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure

 3985 19:41:00.789353  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP

 3986 19:41:00.799408  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 3987 19:41:00.943027  <6>[   49.723786] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3988 19:41:00.948590  <6>[   49.730851] lkdtm: Value in memory before free: 12345678

 3989 19:41:00.954771  <6>[   49.737142] lkdtm: Attempting to read from freed memory

 3990 19:41:00.959745  <6>[   49.743330] lkdtm: Buddy page was not poisoned

 3991 19:41:01.017854  # [   49.723786] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3992 19:41:01.023457  # [   49.730851] lkdtm: Value in memory before free: 12345678

 3993 19:41:01.029924  # [   49.737142] lkdtm: Attempting to read from freed memory

 3994 19:41:01.034669  # [   49.743330] lkdtm: Buddy page was not poisoned

 3995 19:41:01.039809  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 3996 19:41:01.051746  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 3997 19:41:01.061842  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 3998 19:41:01.207503  <6>[   49.989690] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 3999 19:41:01.213276  <6>[   49.996254] lkdtm: Attempting double slab free ...

 4000 19:41:01.263329  # [   49.989690] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 4001 19:41:01.268654  # [   49.996254] lkdtm: Attempting double slab free ...

 4002 19:41:01.280904  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]

 4003 19:41:01.293457  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 4004 19:41:01.306851  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 4005 19:41:01.445340  <6>[   50.227453] lkdtm: Performing direct entry SLAB_FREE_CROSS

 4006 19:41:01.451414  <6>[   50.233932] lkdtm: Attempting cross-cache slab free ...

 4007 19:41:01.501983  # [   50.227453] lkdtm: Performing direct entry SLAB_FREE_CROSS

 4008 19:41:01.507749  # [   50.233932] lkdtm: Attempting cross-cache slab free ...

 4009 19:41:01.521160  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 4010 19:41:01.535006  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 4011 19:41:01.545661  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 4012 19:41:01.684589  <6>[   50.466760] lkdtm: Performing direct entry SLAB_FREE_PAGE

 4013 19:41:01.690334  <6>[   50.473162] lkdtm: Attempting non-Slab slab free ...

 4014 19:41:01.742246  # [   50.466760] lkdtm: Performing direct entry SLAB_FREE_PAGE

 4015 19:41:01.747462  # [   50.473162] lkdtm: Attempting non-Slab slab free ...

 4016 19:41:01.759610  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 4017 19:41:01.773245  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 4018 19:41:01.784324  # selftests: lkdtm: SOFTLOCKUP.sh

 4019 19:41:01.891506  # Skipping SOFTLOCKUP: Hangs the system

 4020 19:41:01.896960  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 4021 19:41:01.907908  # selftests: lkdtm: HARDLOCKUP.sh

 4022 19:41:02.006600  # Skipping HARDLOCKUP: Hangs the system

 4023 19:41:02.012071  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP

 4024 19:41:02.022854  # selftests: lkdtm: SPINLOCKUP.sh

 4025 19:41:02.128134  # Skipping SPINLOCKUP: Hangs the system

 4026 19:41:02.133542  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP

 4027 19:41:02.144058  # selftests: lkdtm: HUNG_TASK.sh

 4028 19:41:02.244808  # Skipping HUNG_TASK: Hangs the system

 4029 19:41:02.249530  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP

 4030 19:41:02.260917  # selftests: lkdtm: EXEC_DATA.sh

 4031 19:41:02.409738  <6>[   51.192574] lkdtm: Performing direct entry EXEC_DATA

 4032 19:41:02.416760  <6>[   51.198451] lkdtm: attempting ok execution at ffffffff9657c2d0

 4033 19:41:02.423414  <6>[   51.205297] lkdtm: attempting bad execution at ffffffff99633d40

 4034 19:41:02.432113  <2>[   51.212242] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4035 19:41:02.440518  <1>[   51.220902] BUG: unable to handle page fault for address: ffffffff99633d40

 4036 19:41:02.446829  <1>[   51.228876] #PF: supervisor instruction fetch in kernel mode

 4037 19:41:02.453341  <1>[   51.235493] #PF: error_code(0x0011) - permissions violation

 4038 19:41:02.461260  <6>[   51.242011] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 8000000023c000e3 

 4039 19:41:02.465738  <4>[   51.249809] Oops: 0011 [#5] SMP PTI

 4040 19:41:02.474094  <4>[   51.254001] CPU: 1 PID: 1572 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4041 19:41:02.482139  <4>[   51.262948] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4042 19:41:02.485671  <4>[   51.269864] RIP: 0010:data_area+0x0/0x40

 4043 19:41:02.507081  <4>[   51.274541] Code: ff ff 00 48 28 40 50 9d ff ff 00 47 28 40 50 9d 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

 4044 19:41:02.513376  <4>[   51.295815] RSP: 0018:ffffbd9702027e48 EFLAGS: 00010246

 4045 19:41:02.522595  <4>[   51.301947] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4046 19:41:02.529865  <4>[   51.310211] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50

 4047 19:41:02.538211  <4>[   51.318477] RBP: ffffffff99633d40 R08: 0000000000000000 R09: 0000000000000000

 4048 19:41:02.546925  <4>[   51.326743] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4049 19:41:02.554880  <4>[   51.335010] R13: ffffbd9702027f10 R14: ffffbd9702027f10 R15: ffff9d5045af0000

 4050 19:41:02.563955  <4>[   51.343278] FS:  00007fa734fc3580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 4051 19:41:02.570586  <4>[   51.352611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4052 19:41:02.578978  <4>[   51.359321] CR2: ffffffff99633d40 CR3: 0000000106458000 CR4: 00000000003506e0

 4053 19:41:02.582058  <4>[   51.367588] Call Trace:

 4054 19:41:02.586746  <4>[   51.370626]  ? __die_body.cold+0x1a/0x1f

 4055 19:41:02.591075  <4>[   51.375309]  ? no_context+0x177/0x380

 4056 19:41:02.596038  <4>[   51.379699]  ? exc_page_fault+0xd7/0x170

 4057 19:41:02.601394  <4>[   51.384377]  ? asm_exc_page_fault+0x1e/0x30

 4058 19:41:02.605954  <4>[   51.389354]  ? execute_location+0x48/0x56

 4059 19:41:02.610623  <4>[   51.394127]  ? direct_entry.cold+0x2c/0x38

 4060 19:41:02.614858  <4>[   51.398993]  ? full_proxy_write+0x56/0x80

 4061 19:41:02.619734  <4>[   51.403767]  ? vfs_write+0xea/0x3b0

 4062 19:41:02.623480  <4>[   51.407961]  ? ksys_write+0x68/0xf0

 4063 19:41:02.627798  <4>[   51.412153]  ? do_syscall_64+0x33/0x40

 4064 19:41:02.634109  <4>[   51.416631]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4065 19:41:02.674309  <4>[   51.422767] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4066 19:41:02.678395  <4>[   51.462844] CR2: ffffffff99633d40

 4067 19:41:02.683699  <4>[   51.466842] ---[ end trace f8800554775ed3d7 ]---

 4068 19:41:02.688325  <4>[   51.472298] RIP: 0010:lkdtm_BUG+0x5/0x10

 4069 19:41:02.709951  <4>[   51.476974] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 4070 19:41:02.716174  <4>[   51.498225] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 4071 19:41:02.724371  <4>[   51.504342] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 4072 19:41:02.732133  <4>[   51.512600] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 4073 19:41:02.741570  <4>[   51.520851] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 4074 19:41:02.748720  <4>[   51.529106] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4075 19:41:02.756947  <4>[   51.537364] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 4076 19:41:02.766497  <4>[   51.545627] FS:  00007fa734fc3580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 4077 19:41:02.773859  <4>[   51.554960] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4078 19:41:02.781379  <4>[   51.561673] CR2: ffffffff99633d40 CR3: 0000000106458000 CR4: 00000000003506e0

 4079 19:41:02.791400  <3>[   51.569941] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4080 19:41:02.800334  <3>[   51.580148] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1572, name: cat

 4081 19:41:02.804905  <4>[   51.588899] INFO: lockdep is turned off.

 4082 19:41:02.808461  <4>[   51.593571] irq event stamp: 0

 4083 19:41:02.816419  <4>[   51.597278] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4084 19:41:02.825144  <4>[   51.604576] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 4085 19:41:02.834542  <4>[   51.614008] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 4086 19:41:02.842138  <4>[   51.623440] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4087 19:41:02.851495  <4>[   51.630739] CPU: 1 PID: 1572 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4088 19:41:02.857684  <4>[   51.639683] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4089 19:41:02.861218  <4>[   51.646587] Call Trace:

 4090 19:41:02.864724  <4>[   51.649619]  dump_stack+0x77/0x9b

 4091 19:41:02.869694  <4>[   51.653620]  ___might_sleep.cold+0xa6/0xb6

 4092 19:41:02.873885  <4>[   51.658492]  exit_signals+0x1c/0x300

 4093 19:41:02.877732  <4>[   51.662779]  do_exit+0xc2/0xab0

 4094 19:41:02.882816  <4>[   51.666574]  ? ksys_write+0x68/0xf0

 4095 19:41:02.886386  <4>[   51.670767]  make_task_dead+0x2f/0x30

 4096 19:41:02.892174  <4>[   51.675155]  rewind_stack_and_make_dead+0x17/0x20

 4097 19:41:02.896741  <4>[   51.680706] RIP: 0033:0x7fa734ed9473

 4098 19:41:02.917603  <4>[   51.684994] 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

 4099 19:41:02.926832  <4>[   51.706261] RSP: 002b:00007fff5e1d3888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4100 19:41:02.934549  <4>[   51.715015] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa734ed9473

 4101 19:41:02.943088  <4>[   51.723281] RDX: 000000000000000a RSI: 00007fa734dcd000 RDI: 0000000000000001

 4102 19:41:02.951197  <4>[   51.731547] RBP: 00007fa734dcd000 R08: 00007fa734dcc010 R09: 0000000000000000

 4103 19:41:02.959457  <4>[   51.739811] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4104 19:41:02.967707  <4>[   51.748073] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4105 19:41:02.969558  # Killed

 4106 19:41:03.031636  # [   51.192574] lkdtm: Performing direct entry EXEC_DATA

 4107 19:41:03.038476  # [   51.198451] lkdtm: attempting ok execution at ffffffff9657c2d0

 4108 19:41:03.045716  # [   51.205297] lkdtm: attempting bad execution at ffffffff99633d40

 4109 19:41:03.054497  # [   51.212242] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4110 19:41:03.061778  # [   51.220902] BUG: unable to handle page fault for address: ffffffff99633d40

 4111 19:41:03.068353  # [   51.228876] #PF: supervisor instruction fetch in kernel mode

 4112 19:41:03.075132  # [   51.235493] #PF: error_code(0x0011) - permissions violation

 4113 19:41:03.082593  # [   51.242011] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 8000000023c000e3 

 4114 19:41:03.086385  # [   51.249809] Oops: 0011 [#5] SMP PTI

 4115 19:41:03.095157  # [   51.254001] CPU: 1 PID: 1572 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4116 19:41:03.102125  # [   51.262948] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4117 19:41:03.106274  # [   51.269864] RIP: 0010:data_area+0x0/0x40

 4118 19:41:03.127685  # [   51.274541] Code: ff ff 00 48 28 40 50 9d ff ff 00 47 28 40 50 9d 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

 4119 19:41:03.133927  # [   51.295815] RSP: 0018:ffffbd9702027e48 EFLAGS: 00010246

 4120 19:41:03.141646  # [   51.301947] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4121 19:41:03.150332  # [   51.310211] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50

 4122 19:41:03.158655  # [   51.318477] RBP: ffffffff99633d40 R08: 0000000000000000 R09: 0000000000000000

 4123 19:41:03.166456  # [   51.326743] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4124 19:41:03.174834  # [   51.335010] R13: ffffbd9702027f10 R14: ffffbd9702027f10 R15: ffff9d5045af0000

 4125 19:41:03.184507  # [   51.343278] FS:  00007fa734fc3580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 4126 19:41:03.190478  # [   51.352611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4127 19:41:03.198493  # [   51.359321] CR2: ffffffff99633d40 CR3: 0000000106458000 CR4: 00000000003506e0

 4128 19:41:03.201332  # [   51.367588] Call Trace:

 4129 19:41:03.206200  # [   51.370626]  ? __die_body.cold+0x1a/0x1f

 4130 19:41:03.209953  # [   51.375309]  ? no_context+0x177/0x380

 4131 19:41:03.214887  # [   51.379699]  ? exc_page_fault+0xd7/0x170

 4132 19:41:03.219675  # [   51.384377]  ? asm_exc_page_fault+0x1e/0x30

 4133 19:41:03.224360  # [   51.389354]  ? execute_location+0x48/0x56

 4134 19:41:03.229723  # [   51.394127]  ? direct_entry.cold+0x2c/0x38

 4135 19:41:03.233724  # [   51.398993]  ? full_proxy_write+0x56/0x80

 4136 19:41:03.237962  # [   51.403767]  ? vfs_write+0xea/0x3b0

 4137 19:41:03.241996  # [   51.407961]  ? ksys_write+0x68/0xf0

 4138 19:41:03.246493  # [   51.412153]  ? do_syscall_64+0x33/0x40

 4139 19:41:03.253025  # [   51.416631]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4140 19:41:03.277242  # [   51.422767] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memop<6>[   52.055186] lkdtm: Performing direct entry EXEC_STACK

 4141 19:41:03.290938  s videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2<6>[   52.065632] lkdtm: attempting ok execution at ffffffff9657c2d0

 4142 19:41:03.302876  _common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_s<6>[   52.078735] lkdtm: attempting bad execution at ffffbd97020d7e18

 4143 19:41:03.317933  oc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chrome<2>[   52.091854] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4144 19:41:03.325737  <1>[   52.106640] BUG: unable to handle page fault for address: ffffbd97020d7e18

 4145 19:41:03.332316  <1>[   52.114615] #PF: supervisor instruction fetch in kernel mode

 4146 19:41:03.339602  <1>[   52.121230] #PF: error_code(0x0011) - permissions violation

 4147 19:41:03.348916  <6>[   52.127746] PGD 100000067 P4D 100000067 PUD 100248067 PMD 105910067 PTE 80000001059bb063

 4148 19:41:03.352596  <4>[   52.137098] Oops: 0011 [#6] SMP PTI

 4149 19:41:03.361668  <4>[   52.141288] CPU: 3 PID: 1609 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4150 19:41:03.368481  <4>[   52.150233] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4151 19:41:03.373974  <4>[   52.157143] RIP: 0010:0xffffbd97020d7e18

 4152 19:41:03.394291  <4>[   52.161819] Code: 00 00 18 7e 0d 02 97 bd ff ff 33 f6 c5 96 ff ff ff ff 20 00 00 00 00 00 00 00 c6 2c b8 97 ff ff ff ff 5f f7 c5 96 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

 4153 19:41:03.400606  <4>[   52.183094] RSP: 0018:ffffbd97020d7df8 EFLAGS: 00010246

 4154 19:41:03.408594  <4>[   52.189228] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4155 19:41:03.416800  <4>[   52.197494] RDX: 0000000000000000 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 4156 19:41:03.426390  <4>[   52.205757] RBP: ffffbd97020d7e18 R08: 0000000000000000 R09: 0000000000000000

 4157 19:41:03.433692  <4>[   52.214022] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4158 19:41:03.441853  <4>[   52.222280] R13: ffffbd97020d7f10 R14: ffffbd97020d7f10 R15: ffff9d504660b000

 4159 19:41:03.451447  <4>[   52.230547] FS:  00007feb74fae580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 4160 19:41:03.458250  <4>[   52.239882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4161 19:41:03.466470  <4>[   52.246593] CR2: ffffbd97020d7e18 CR3: 00000001053ca000 CR4: 00000000003506e0

 4162 19:41:03.469074  <4>[   52.254858] Call Trace:

 4163 19:41:03.475149  <4>[   52.257896]  ? __die_body.cold+0x1a/0x1f

 4164 19:41:03.479096  <4>[   52.262576]  ? no_context+0x177/0x380

 4165 19:41:03.482787  <4>[   52.266964]  ? exc_page_fault+0xd7/0x170

 4166 19:41:03.488741  <4>[   52.271644]  ? asm_exc_page_fault+0x1e/0x30

 4167 19:41:03.493048  <4>[   52.276623]  ? execute_location+0x48/0x56

 4168 19:41:03.498220  <4>[   52.281394]  ? lkdtm_EXEC_STACK+0x26/0x44

 4169 19:41:03.502800  <4>[   52.286170]  ? direct_entry.cold+0x2c/0x38

 4170 19:41:03.507966  <4>[   52.291045]  ? full_proxy_write+0x56/0x80

 4171 19:41:03.511430  <4>[   52.295820]  ? vfs_write+0xea/0x3b0

 4172 19:41:03.515649  <4>[   52.300011]  ? ksys_write+0x68/0xf0

 4173 19:41:03.520086  <4>[   52.304203]  ? do_syscall_64+0x33/0x40

 4174 19:41:03.526001  <4>[   52.308683]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4175 19:41:03.566769  <4>[   52.314820] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4176 19:41:03.570494  <4>[   52.354922] CR2: ffffbd97020d7e18

 4177 19:41:03.575610  <4>[   52.358922] ---[ end trace f8800554775ed3d8 ]---

 4178 19:41:03.580480  <4>[   52.364367] RIP: 0010:lkdtm_BUG+0x5/0x10

 4179 19:41:03.601352  <4>[   52.369044] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 4180 19:41:03.607535  <4>[   52.390310] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 4181 19:41:03.616137  <4>[   52.396439] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 4182 19:41:03.624301  <4>[   52.404705] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 4183 19:41:03.632738  <4>[   52.412970] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 4184 19:41:03.640799  <4>[   52.421234] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4185 19:41:03.649195  <4>[   52.429498] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 4186 19:41:03.658507  <4>[   52.437766] FS:  00007feb74fae580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 4187 19:41:03.664953  <4>[   52.447100] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4188 19:41:03.673516  <4>[   52.453812] CR2: ffffbd97020d7e18 CR3: 00000001053ca000 CR4: 00000000003506e0

 4189 19:41:03.675981  os_pstore coreboot_table

 4190 19:41:03.679984  # [   51.462844] CR2: ffffffff99633d40

 4191 19:41:03.686255  # [   51.466842] ---[ end trace f8800554775ed3d7 ]---

 4192 19:41:03.690241  # [   51.472298] RIP: 0010:lkdtm_BUG+0x5/0x10

 4193 19:41:03.711400  # [   51.476974] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 4194 19:41:03.716764  # [   51.498225] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 4195 19:41:03.725168  # [   51.504342] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 4196 19:41:03.733729  # [   51.512600] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 4197 19:41:03.741283  # [   51.520851] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 4198 19:41:03.749745  # [   51.529106] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4199 19:41:03.758337  # [   51.537364] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 4200 19:41:03.767379  # [   51.545627] FS:  00007fa734fc3580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 4201 19:41:03.774599  # [   51.554960] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4202 19:41:03.781901  # [   51.561673] CR2: ffffffff99633d40 CR3: 0000000106458000 CR4: 00000000003506e0

 4203 19:41:03.791735  # [   51.569941] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4204 19:41:03.801229  # [   51.580148] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1572, name: cat

 4205 19:41:03.804926  # [   51.588899] INFO: lockdep is turned off.

 4206 19:41:03.809036  # [   51.593571] irq event stamp: 0

 4207 19:41:03.816097  # [   51.597278] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4208 19:41:03.824829  # [   51.604576] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 4209 19:41:03.834766  # [   51.614008] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 4210 19:41:03.841825  # [   51.623440] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4211 19:41:03.850387  # [   51.630739] CPU: 1 PID: 1572 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4212 19:41:03.857523  # [   51.639683] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4213 19:41:03.861202  # [   51.646587] Call Trace:

 4214 19:41:03.864151  # [   51.649619]  dump_stack+0x77/0x9b

 4215 19:41:03.868873  # [   51.653620]  ___might_sleep.cold+0xa6/0xb6

 4216 19:41:03.873595  # [   51.658492]  exit_signals+0x1c/0x300

 4217 19:41:03.877105  # [   51.662779]  do_exit+0xc2/0xab0

 4218 19:41:03.880683  # [   51.666574]  ? ksys_write+0x68/0xf0

 4219 19:41:03.884562  # [   51.670767]  make_task_dead+0x2f/0x30

 4220 19:41:03.890833  # [   51.675155]  rewind_stack_and_make_dead+0x17/0x20

 4221 19:41:03.895018  # [   51.680706] RIP: 0033:0x7fa734ed9473

 4222 19:41:03.916288  # [   51.684994] 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

 4223 19:41:03.924652  # [   51.706261] RSP: 002b:00007fff5e1d3888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4224 19:41:03.933697  # [   51.715015] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa734ed9473

 4225 19:41:03.941525  # [   51.723281] RDX: 000000000000000a RSI: 00007fa734dcd000 RDI: 0000000000000001

 4226 19:41:03.949314  # [   51.731547] RBP: 00007fa734dcd000 R08: 00007fa734dcc010 R09: 0000000000000000

 4227 19:41:03.957114  # [   51.739811] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4228 19:41:03.966502  # [   51.748073] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4229 19:41:03.968964  # EXEC_DATA: saw 'call trace:': ok

 4230 19:41:03.972335  ok 30 selftests: lkdtm: EXEC_DATA.sh

 4231 19:41:03.975670  # selftests: lkdtm: EXEC_STACK.sh

 4232 19:41:03.976668  # Killed

 4233 19:41:03.983145  # [   52.055186] lkdtm: Performing direct entry EXEC_STACK

 4234 19:41:03.989267  # [   52.065632] lkdtm: attempting ok execution at ffffffff9657c2d0

 4235 19:41:03.996588  # [   52.07<6>[   52.777469] lkdtm: Performing direct entry EXEC_KMALLOC

 4236 19:41:04.002567  8735] lkdtm: attempting bad execution at ffffbd97020d7e18

 4237 19:41:04.010014  # [  <6>[   52.785181] lkdtm: attempting ok execution at ffffffff9657c2d0

 4238 19:41:04.022972   52.091854] kernel tried to execute NX-protected page - exploit <6>[   52.798233] lkdtm: attempting bad execution at ffff9d5043f1a780

 4239 19:41:04.024738  attempt? (uid: 0)

 4240 19:41:04.038220  # [   52.106640] BUG: unable to handle page f<2>[   52.811463] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4241 19:41:04.045688  <1>[   52.826208] BUG: unable to handle page fault for address: ffff9d5043f1a780

 4242 19:41:04.052538  <1>[   52.834183] #PF: supervisor instruction fetch in kernel mode

 4243 19:41:04.058608  <1>[   52.840797] #PF: error_code(0x0011) - permissions violation

 4244 19:41:04.068142  <6>[   52.847313] PGD 23e01067 P4D 23e01067 PUD 10087d063 PMD 105926063 PTE 8000000103f1a063

 4245 19:41:04.072164  <4>[   52.856470] Oops: 0011 [#7] SMP PTI

 4246 19:41:04.080991  <4>[   52.860662] CPU: 3 PID: 1646 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4247 19:41:04.087949  <4>[   52.869607] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4248 19:41:04.092612  <4>[   52.876520] RIP: 0010:0xffff9d5043f1a780

 4249 19:41:04.114184  <4>[   52.881198] Code: ad de 40 6b 94 45 50 9d 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 eb f2 af 95 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

 4250 19:41:04.120057  <4>[   52.902475] RSP: 0018:ffffbd9702167e38 EFLAGS: 00010246

 4251 19:41:04.127838  <4>[   52.908607] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4252 19:41:04.136528  <4>[   52.916870] RDX: 0000000000000000 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 4253 19:41:04.144885  <4>[   52.925135] RBP: ffff9d5043f1a780 R08: 0000000000000000 R09: 0000000000000000

 4254 19:41:04.153514  <4>[   52.933402] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4255 19:41:04.161495  <4>[   52.941668] R13: ffffbd9702167f10 R14: ffffbd9702167f10 R15: ffff9d5046d18000

 4256 19:41:04.170630  <4>[   52.949937] FS:  00007fc339a8b580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 4257 19:41:04.177187  <4>[   52.959271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4258 19:41:04.185572  <4>[   52.965984] CR2: ffff9d5043f1a780 CR3: 0000000104330000 CR4: 00000000003506e0

 4259 19:41:04.188873  <4>[   52.974248] Call Trace:

 4260 19:41:04.193332  <4>[   52.977286]  ? __die_body.cold+0x1a/0x1f

 4261 19:41:04.197845  <4>[   52.981966]  ? no_context+0x177/0x380

 4262 19:41:04.203061  <4>[   52.986350]  ? exc_page_fault+0xd7/0x170

 4263 19:41:04.206982  <4>[   52.991021]  ? asm_exc_page_fault+0x1e/0x30

 4264 19:41:04.213215  <4>[   52.995993]  ? execute_location+0x48/0x56

 4265 19:41:04.217369  <4>[   53.000759]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 4266 19:41:04.222359  <4>[   53.005724]  ? direct_entry.cold+0x2c/0x38

 4267 19:41:04.226903  <4>[   53.010595]  ? full_proxy_write+0x56/0x80

 4268 19:41:04.230955  <4>[   53.015369]  ? vfs_write+0xea/0x3b0

 4269 19:41:04.235303  <4>[   53.019559]  ? ksys_write+0x68/0xf0

 4270 19:41:04.239398  <4>[   53.023753]  ? do_syscall_64+0x33/0x40

 4271 19:41:04.245450  <4>[   53.028233]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4272 19:41:04.286215  <4>[   53.034365] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4273 19:41:04.290066  <4>[   53.074459] CR2: ffff9d5043f1a780

 4274 19:41:04.295726  <4>[   53.078454] ---[ end trace f8800554775ed3d9 ]---

 4275 19:41:04.300129  <4>[   53.083905] RIP: 0010:lkdtm_BUG+0x5/0x10

 4276 19:41:04.321723  <4>[   53.088578] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 4277 19:41:04.327811  <4>[   53.109854] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 4278 19:41:04.336235  <4>[   53.115986] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 4279 19:41:04.343972  <4>[   53.124253] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 4280 19:41:04.352043  <4>[   53.132518] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 4281 19:41:04.360456  <4>[   53.140784] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4282 19:41:04.368730  <4>[   53.149050] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 4283 19:41:04.378065  <4>[   53.157316] FS:  00007fc339a8b580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 4284 19:41:04.384762  <4>[   53.166651] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4285 19:41:04.393047  <4>[   53.173363] CR2: ffff9d5043f1a780 CR3: 0000000104330000 CR4: 00000000003506e0

 4286 19:41:04.403058  <3>[   53.181631] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4287 19:41:04.412652  <3>[   53.191838] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1646, name: cat

 4288 19:41:04.417108  <4>[   53.200585] INFO: lockdep is turned off.

 4289 19:41:04.420635  <4>[   53.205256] irq event stamp: 0

 4290 19:41:04.427997  <4>[   53.208960] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4291 19:41:04.437008  <4>[   53.216259] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 4292 19:41:04.446734  <4>[   53.225691] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 4293 19:41:04.453676  <4>[   53.235122] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4294 19:41:04.462529  <4>[   53.242420] CPU: 3 PID: 1646 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4295 19:41:04.469861  <4>[   53.251355] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4296 19:41:04.473355  <4>[   53.258258] Call Trace:

 4297 19:41:04.476700  <4>[   53.261288]  dump_stack+0x77/0x9b

 4298 19:41:04.481691  <4>[   53.265288]  ___might_sleep.cold+0xa6/0xb6

 4299 19:41:04.486153  <4>[   53.270164]  exit_signals+0x1c/0x300

 4300 19:41:04.489886  <4>[   53.274454]  do_exit+0xc2/0xab0

 4301 19:41:04.494497  <4>[   53.278256]  ? ksys_write+0x68/0xf0

 4302 19:41:04.498100  <4>[   53.282448]  make_task_dead+0x2f/0x30

 4303 19:41:04.504344  <4>[   53.286833]  rewind_stack_and_make_dead+0x17/0x20

 4304 19:41:04.507788  <4>[   53.292373] RIP: 0033:0x7fc3399a1473

 4305 19:41:04.529302  <4>[   53.296659] 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

 4306 19:41:04.538229  <4>[   53.317935] RSP: 002b:00007fffffe9b718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4307 19:41:04.546241  <4>[   53.326682] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fc3399a1473

 4308 19:41:04.554777  <4>[   53.334946] RDX: 000000000000000d RSI: 00007fc339895000 RDI: 0000000000000001

 4309 19:41:04.562874  <4>[   53.343211] RBP: 00007fc339895000 R08: 00007fc339894010 R09: 0000000000000000

 4310 19:41:04.570864  <4>[   53.351476] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4311 19:41:04.582535  <4>[   53.359736] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4312 19:41:04.583158  ault for address: ffffbd97020d7e18

 4313 19:41:04.589414  # [   52.114615] #PF: supervisor instruction fetch in kernel mode

 4314 19:41:04.596109  # [   52.121230] #PF: error_code(0x0011) - permissions violation

 4315 19:41:04.605243  # [   52.127746] PGD 100000067 P4D 100000067 PUD 100248067 PMD 105910067 PTE 80000001059bb063

 4316 19:41:04.609437  # [   52.137098] Oops: 0011 [#6] SMP PTI

 4317 19:41:04.618324  # [   52.141288] CPU: 3 PID: 1609 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4318 19:41:04.624387  # [   52.150233] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4319 19:41:04.629473  # [   52.157143] RIP: 0010:0xffffbd97020d7e18

 4320 19:41:04.650830  # [   52.161819] Code: 00 00 18 7e 0d 02 97 bd ff ff 33 f6 c5 96 ff ff ff ff 20 00 00 00 00 00 00 00 c6 2c b8 97 ff ff ff ff 5f f7 c5 96 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

 4321 19:41:04.656502  # [   52.183094] RSP: 0018:ffffbd97020d7df8 EFLAGS: 00010246

 4322 19:41:04.665503  # [   52.189228] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4323 19:41:04.673401  # [   52.197494] RDX: 0000000000000000 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 4324 19:41:04.680859  # [   52.205757] RBP: ffffbd97020d7e18 R08: 0000000000000000 R09: 0000000000000000

 4325 19:41:04.690003  # [   52.214022] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4326 19:41:04.697216  # [   52.222280] R13: ffffbd97020d7f10 R14: ffffbd97020d7f10 R15: ffff9d504660b000

 4327 19:41:04.706290  # [   52.230547] FS:  00007feb74fae580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 4328 19:41:04.713454  # [   52.239882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4329 19:41:04.721258  # [   52.246593] CR2: ffffbd97020d7e18 CR3: 00000001053ca000 CR4: 00000000003506e0

 4330 19:41:04.724328  # [   52.254858] Call Trace:

 4331 19:41:04.729297  # [   52.257896]  ? __die_body.cold+0x1a/0x1f

 4332 19:41:04.733611  # [   52.262576]  ? no_context+0x177/0x380

 4333 19:41:04.737530  # [   52.266964]  ? exc_page_fault+0xd7/0x170

 4334 19:41:04.743001  # [   52.271644]  ? asm_exc_page_fault+0x1e/0x30

 4335 19:41:04.746881  # [   52.276623]  ? execute_location+0x48/0x56

 4336 19:41:04.751895  # [   52.281394]  ? lkdtm_EXEC_STACK+0x26/0x44

 4337 19:41:04.756344  # [   52.286170]  ? direct_entry.cold+0x2c/0x38

 4338 19:41:04.761362  # [   52.291045]  ? full_proxy_write+0x56/0x80

 4339 19:41:04.767038  # [   52.295820]  ? vfs_write+0xea/0x3b0

 4340 19:41:04.769269  # [   52.300011]  ? ksys_write+0x68/0xf0

 4341 19:41:04.773856  # [   52.304203]  ? do_syscall_64+0x33/0x40

 4342 19:41:04.779903  # [   52.308683]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4343 19:41:04.820038  # [   52.314820] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4344 19:41:04.823617  # [   52.354922] CR2: ffffbd97020d7e18

 4345 19:41:04.829129  # [   52.358922] ---[ end trace f8800554775ed3d8 ]---

 4346 19:41:04.833756  # [   52.364367] RIP: 0010:lkdtm_BUG+0x5/0x10

 4347 19:41:04.855046  # [   52.369044] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 4348 19:41:04.860445  # [   52.390310] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 4349 19:41:04.868929  # [   52.396439] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 4350 19:41:04.876627  # [   52.404705] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 4351 19:41:04.885516  # [   52.412970] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 4352 19:41:04.893967  # [   52.421234] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4353 19:41:04.901246  # [   52.429498] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 4354 19:41:04.910858  # [   52.437766] FS:  00007feb74fae580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 4355 19:41:04.921397  # [   52.447100] CS:  0010 DS: 0000 ES: 0000 <6>[   53.701389] lkdtm: Performing direct entry EXEC_VMALLOC

 4356 19:41:04.923708  CR0: 0000000080050033

 4357 19:41:04.934100  # [   52.453812] CR2: ffffbd97020d7e18 CR<6>[   53.709776] lkdtm: attempting ok execution at ffffffff9657c2d0

 4358 19:41:04.938522  3: 00000001053ca000 CR4: 00000000003506e0

 4359 19:41:04.948022  # EXEC_STACK: saw 'ca<6>[   53.722819] lkdtm: attempting bad execution at ffffbd97003d9000

 4360 19:41:04.956148  <2>[   53.735975] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4361 19:41:04.963873  <1>[   53.744634] BUG: unable to handle page fault for address: ffffbd97003d9000

 4362 19:41:04.970577  <1>[   53.752606] #PF: supervisor instruction fetch in kernel mode

 4363 19:41:04.977108  <1>[   53.759222] #PF: error_code(0x0011) - permissions violation

 4364 19:41:04.986328  <6>[   53.765742] PGD 100000067 P4D 100000067 PUD 100248067 PMD 1009ff067 PTE 8000000103483063

 4365 19:41:04.990852  <4>[   53.775096] Oops: 0011 [#8] SMP PTI

 4366 19:41:04.999898  <4>[   53.779289] CPU: 0 PID: 1683 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4367 19:41:05.006256  <4>[   53.788235] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4368 19:41:05.011023  <4>[   53.795148] RIP: 0010:0xffffbd97003d9000

 4369 19:41:05.012792  <l4l trace:': ok

 4370 19:41:05.016906  ok 31 selftests: lkdtm: EXEC_STACK.sh

 4371 19:41:05.025290  # selfte>[   53.799828] Code: Unable to access opcode bytes at RIP 0xffffbd97003d8fd6.

 4372 19:41:05.031549  <4>[   53.813923] RSP: 0018:ffffbd97021efe38 EFLAGS: 00010246

 4373 19:41:05.039590  <4>[   53.820053] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4374 19:41:05.048138  <4>[   53.828321] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffff9d50bbc1bf50

 4375 19:41:05.056668  <4>[   53.836587] RBP: ffffbd97003d9000 R08: 0000000000000000 R09: 0000000000000000

 4376 19:41:05.064587  <4>[   53.844851] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4377 19:41:05.072617  <4>[   53.853117] R13: ffffbd97021eff10 R14: ffffbd97021eff10 R15: ffff9d5043483000

 4378 19:41:05.083188  <4>[   53.861383] FS:  00007ff1084ef580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000

 4379 19:41:05.088825  <4>[   53.870716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4380 19:41:05.097170  <4>[   53.877428] CR2: ffffbd97003d8fd6 CR3: 0000000106496000 CR4: 00000000003506f0

 4381 19:41:05.100655  <4>[   53.885691] Call Trace:

 4382 19:41:05.105159  <4>[   53.888732]  ? __die_body.cold+0x1a/0x1f

 4383 19:41:05.108885  <4>[   53.893414]  ? no_context+0x177/0x380

 4384 19:41:05.114345  <4>[   53.897804]  ? exc_page_fault+0xd7/0x170

 4385 19:41:05.119047  <4>[   53.902482]  ? asm_exc_page_fault+0x1e/0x30

 4386 19:41:05.124374  <4>[   53.907460]  ? execute_location+0x48/0x56

 4387 19:41:05.128783  <4>[   53.912237]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4388 19:41:05.133452  <4>[   53.917203]  ? direct_entry.cold+0x2c/0x38

 4389 19:41:05.138392  <4>[   53.922077]  ? full_proxy_write+0x56/0x80

 4390 19:41:05.142204  <4>[   53.926854]  ? vfs_write+0xea/0x3b0

 4391 19:41:05.146629  <4>[   53.931047]  ? ksys_write+0x68/0xf0

 4392 19:41:05.151150  <4>[   53.935242]  ? do_syscall_64+0x33/0x40

 4393 19:41:05.156979  <4>[   53.939723]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4394 19:41:05.160057  ts: lkdtm: EXEC_KMALLOC.sh

 4395 19:41:05.161108  # Killed

 4396 19:41:05.204072  # [   52.777469] lkdtm: Pe<4>[   53.945859] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4397 19:41:05.207914  <4>[   53.992125] CR2: ffffbd97003d9000

 4398 19:41:05.212914  <4>[   53.996124] ---[ end trace f8800554775ed3da ]---

 4399 19:41:05.217970  <4>[   54.001577] RIP: 0010:lkdtm_BUG+0x5/0x10

 4400 19:41:05.239137  <4>[   54.006254] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 4401 19:41:05.245463  <4>[   54.027527] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 4402 19:41:05.253193  <4>[   54.033660] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 4403 19:41:05.261466  <4>[   54.041926] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 4404 19:41:05.270124  <4>[   54.050192] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 4405 19:41:05.278525  <4>[   54.058458] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4406 19:41:05.286523  <4>[   54.066724] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 4407 19:41:05.295940  <4>[   54.074989] FS:  00007ff1084ef580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000

 4408 19:41:05.299034  rforming direct entry EXEC_KMALLOC

 4409 19:41:05.308823  # [   52.785181] lkdtm: atte<4>[   54.084325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4410 19:41:05.316680  <4>[   54.097247] CR2: ffffbd97003d8fd6 CR3: 0000000106496000 CR4: 00000000003506f0

 4411 19:41:05.320696  mpting ok execution at ffffffff9657c2d0

 4412 19:41:05.327631  # [   52.798233] lkdtm: attempting bad execution at ffff9d5043f1a780

 4413 19:41:05.336566  # [   52.811463] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4414 19:41:05.344648  # [   52.826208] BUG: unable to handle page fault for address: ffff9d5043f1a780

 4415 19:41:05.350777  # [   52.834183] #PF: supervisor instruction fetch in kernel mode

 4416 19:41:05.357052  # [   52.840797] #PF: error_code(0x0011) - permissions violation

 4417 19:41:05.365972  # [   52.847313] PGD 23e01067 P4D 23e01067 PUD 10087d063 PMD 105926063 PTE 8000000103f1a063

 4418 19:41:05.370273  # [   52.856470] Oops: 0011 [#7] SMP PTI

 4419 19:41:05.378966  # [   52.860662] CPU: 3 PID: 1646 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4420 19:41:05.385636  # [   52.869607] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4421 19:41:05.390902  # [   52.876520] RIP: 0010:0xffff9d5043f1a780

 4422 19:41:05.411480  # [   52.881198] Code: ad de 40 6b 94 45 50 9d 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 eb f2 af 95 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 19:41:05.417295  # [   52.902475] RSP: 0018:ffffbd9702167e38 EFLAGS: 00010246

 4424 19:41:05.425619  # [   52.908607] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4425 19:41:05.434359  # [   52.916870] RDX: 0000000000000000 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 4426 19:41:05.442699  # [   52.925135] RBP: ffff9d5043f1a780 R08: 0000000000000000 R09: 0000000000000000

 4427 19:41:05.450095  # [   52.933402] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4428 19:41:05.458509  # [   52.941668] R13: ffffbd9702167f10 R14: ffffbd9702167f10 R15: ffff9d5046d18000

 4429 19:41:05.467772  # [   52.949937] FS:  00007fc339a8b580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 4430 19:41:05.474301  # [   52.959271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4431 19:41:05.482738  # [   52.965984] CR2: ffff9d5043f1a780 CR3: 0000000104330000 CR4: 00000000003506e0

 4432 19:41:05.485467  # [   52.974248] Call Trace:

 4433 19:41:05.489937  # [   52.977286]  ? __die_body.cold+0x1a/0x1f

 4434 19:41:05.494509  # [   52.981966]  ? no_context+0x177/0x380

 4435 19:41:05.498500  # [   52.986350]  ? exc_page_fault+0xd7/0x170

 4436 19:41:05.503847  # [   52.991021]  ? asm_exc_page_fault+0x1e/0x30

 4437 19:41:05.508293  # [   52.995993]  ? execute_location+0x48/0x56

 4438 19:41:05.513123  # [   53.000759]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 4439 19:41:05.518237  # [   53.005724]  ? direct_entry.cold+0x2c/0x38

 4440 19:41:05.522788  # [   53.010595]  ? full_proxy_write+0x56/0x80

 4441 19:41:05.526650  # [   53.015369]  ? vfs_write+0xea/0x3b0

 4442 19:41:05.530935  # [   53.019559]  ? ksys_write+0x68/0xf0

 4443 19:41:05.535504  # [   53.023753]  ? do_syscall_64+0x33/0x40

 4444 19:41:05.541439  # [   53.028233]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4445 19:41:05.581177  # [   53.034365] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4446 19:41:05.584743  # [   53.074459] CR2: ffff9d5043f1a780

 4447 19:41:05.590846  # [   53.078454] ---[ end trace f8800554775ed3d9 ]---

 4448 19:41:05.596902  # [<6>[   54.375000] lkdtm: Performing direct entry EXEC_RODATA

 4449 19:41:05.600444     53.083905] RIP: 0010:lkdtm_BUG+0x5/0x10

 4450 19:41:05.609247  # [   53.088578] Cod<6>[   54.385062] lkdtm: attempting ok execution at ffffffff9657c2d0

 4451 19:41:05.622376  e: 89 ff e8 5e d4 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea f<6>[   54.398139] lkdtm: attempting bad execution at ffffffff976f8940

 4452 19:41:05.637897  f ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00<2>[   54.411299] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4453 19:41:05.646124  <1>[   54.426167] BUG: unable to handle page fault for address: ffffffff976f8940

 4454 19:41:05.658649   <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 7d 0<1>[   54.434144] #PF: supervisor instruction fetch in kernel mode

 4455 19:41:05.664993  <1>[   54.446970] #PF: error_code(0x0011) - permissions violation

 4456 19:41:05.672683  <6>[   54.453488] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 8000000021c001e1 

 4457 19:41:05.676659  <4>[   54.461287] Oops: 0011 [#9] SMP PTI

 4458 19:41:05.677502  b 03

 4459 19:41:05.691903  # [   53.109854] RSP: 0018:ffffbd97011c7e60 EFLAGS: 000102<4>[   54.465481] CPU: 1 PID: 1720 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4460 19:41:05.698929  <4>[   54.480630] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4461 19:41:05.705285  <4>[   54.487546] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4462 19:41:05.726007  <4>[   54.493583] Code: ff ff cf 0b c6 96 ff ff ff ff 12 2f b8 97 ff ff ff ff 15 f3 c5 96 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

 4463 19:41:05.732208  <4>[   54.514858] RSP: 0018:ffffbd9702277e48 EFLAGS: 00010246

 4464 19:41:05.740455  <4>[   54.520991] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4465 19:41:05.748767  <4>[   54.529256] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50

 4466 19:41:05.757206  <4>[   54.537521] RBP: ffffffff976f8940 R08: 0000000000000000 R09: 0000000000000000

 4467 19:41:05.765330  <4>[   54.545789] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4468 19:41:05.773428  <4>[   54.554054] R13: ffffbd9702277f10 R14: ffffbd9702277f10 R15: ffff9d50459e4000

 4469 19:41:05.783895  <4>[   54.562320] FS:  00007f06d41ab580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 4470 19:41:05.790215  <4>[   54.571655] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4471 19:41:05.798206  <4>[   54.578367] CR2: ffffffff976f8940 CR3: 0000000105970000 CR4: 00000000003506e0

 4472 19:41:05.800870  <4>[   54.586633] Call Trace:

 4473 19:41:05.806056  <4>[   54.589673]  ? __die_body.cold+0x1a/0x1f

 4474 19:41:05.811225  <4>[   54.594356]  ? no_context+0x177/0x380

 4475 19:41:05.814965  <4>[   54.598746]  ? exc_page_fault+0xd7/0x170

 4476 19:41:05.820122  <4>[   54.603425]  ? asm_exc_page_fault+0x1e/0x30

 4477 19:41:05.824705  <4>[   54.608405]  ? execute_location+0x48/0x56

 4478 19:41:05.829209  <4>[   54.613177]  ? direct_entry.cold+0x2c/0x38

 4479 19:41:05.834152  <4>[   54.618052]  ? full_proxy_write+0x56/0x80

 4480 19:41:05.839171  <4>[   54.622828]  ? vfs_write+0xea/0x3b0

 4481 19:41:05.842828  <4>[   54.627021]  ? ksys_write+0x68/0xf0

 4482 19:41:05.842911  86

 4483 19:41:05.853551  # [   53.115986] RAX: ffffffff9657bf00 RBX: 0000000000000001<4>[   54.631216]  ? do_syscall_64+0x33/0x40

 4484 19:41:05.859954  <4>[   54.641891]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4485 19:41:05.861761   RCX: 0000000000000000

 4486 19:41:05.905382  # [   53.124253] RDX: 0000000000000000 R<4>[   54.648031] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4487 19:41:05.909880  <4>[   54.694276] CR2: ffffffff976f8940

 4488 19:41:05.915370  <4>[   54.698274] ---[ end trace f8800554775ed3db ]---

 4489 19:41:05.919770  <4>[   54.703718] RIP: 0010:lkdtm_BUG+0x5/0x10

 4490 19:41:05.941818  <4>[   54.708394] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 4491 19:41:05.947666  <4>[   54.729662] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 4492 19:41:05.955503  <4>[   54.735785] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 4493 19:41:05.963867  <4>[   54.744053] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 4494 19:41:05.972139  <4>[   54.752319] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 4495 19:41:05.980328  <4>[   54.760585] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4496 19:41:05.988312  <4>[   54.768852] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 4497 19:41:05.997882  <4>[   54.777120] FS:  00007f06d41ab580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 4498 19:41:06.004707  <4>[   54.786453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4499 19:41:06.013301  <4>[   54.793162] CR2: ffffffff976f8940 CR3: 0000000105970000 CR4: 00000000003506e0

 4500 19:41:06.023522  <3>[   54.801427] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4501 19:41:06.031866  <3>[   54.811637] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat

 4502 19:41:06.036345  <4>[   54.820385] INFO: lockdep is turned off.

 4503 19:41:06.040633  <4>[   54.825054] irq event stamp: 0

 4504 19:41:06.045519  SI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 4505 19:41:06.053645  # [   53.132518] RBP<4>[   54.828759] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4506 19:41:06.063526  <4>[   54.842277] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 4507 19:41:06.072553  <4>[   54.851709] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 4508 19:41:06.079665  <4>[   54.861142] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4509 19:41:06.088669  <4>[   54.868440] CPU: 1 PID: 1720 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4510 19:41:06.095868  <4>[   54.877385] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4511 19:41:06.098520  <4>[   54.884289] Call Trace:

 4512 19:41:06.102772  <4>[   54.887324]  dump_stack+0x77/0x9b

 4513 19:41:06.108574  <4>[   54.891325]  ___might_sleep.cold+0xa6/0xb6

 4514 19:41:06.112357  <4>[   54.896200]  exit_signals+0x1c/0x300

 4515 19:41:06.115759  <4>[   54.900488]  do_exit+0xc2/0xab0

 4516 19:41:06.119989  <4>[   54.904284]  ? ksys_write+0x68/0xf0

 4517 19:41:06.124386  <4>[   54.908476]  make_task_dead+0x2f/0x30

 4518 19:41:06.129861  <4>[   54.912863]  rewind_stack_and_make_dead+0x17/0x20

 4519 19:41:06.133765  <4>[   54.918412] RIP: 0033:0x7f06d40c1473

 4520 19:41:06.155062  <4>[   54.922702] 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

 4521 19:41:06.164446  <4>[   54.943974] RSP: 002b:00007ffebd8c6318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4522 19:41:06.172349  <4>[   54.952729] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f06d40c1473

 4523 19:41:06.180427  <4>[   54.960994] RDX: 000000000000000c RSI: 00007f06d3fb5000 RDI: 0000000000000001

 4524 19:41:06.188905  <4>[   54.969260] RBP: 00007f06d3fb5000 R08: 00007f06d3fb4010 R09: 0000000000000000

 4525 19:41:06.197133  <4>[   54.977526] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4526 19:41:06.205369  <4>[   54.985790] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4527 19:41:06.211777  : ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 4528 19:41:06.219927  # [   53.140784] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4529 19:41:06.228138  # [   53.149050] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 4530 19:41:06.237554  # [   53.157316] FS:  00007fc339a8b580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 4531 19:41:06.243546  # [   53.166651] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4532 19:41:06.252147  # [   53.173363] CR2: ffff9d5043f1a780 CR3: 0000000104330000 CR4: 00000000003506e0

 4533 19:41:06.261860  # [   53.181631] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4534 19:41:06.270750  # [   53.191838] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1646, name: cat

 4535 19:41:06.275248  # [   53.200585] INFO: lockdep is turned off.

 4536 19:41:06.278765  # [   53.205256] irq event stamp: 0

 4537 19:41:06.286230  # [   53.208960] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4538 19:41:06.295647  # [   53.216259] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 4539 19:41:06.304840  # [   53.225691] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 4540 19:41:06.311913  # [   53.235122] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4541 19:41:06.320485  # [   53.242420] CPU: 3 PID: 1646 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4542 19:41:06.327483  # [   53.251355] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4543 19:41:06.330329  # [   53.258258] Call Trace:

 4544 19:41:06.334374  # [   53.261288]  dump_stack+0x77/0x9b

 4545 19:41:06.339145  # [   53.265288]  ___might_sleep.cold+0xa6/0xb6

 4546 19:41:06.343716  # [   53.270164]  exit_signals+0x1c/0x300

 4547 19:41:06.347036  # [   53.274454]  do_exit+0xc2/0xab0

 4548 19:41:06.351496  # [   53.278256]  ? ksys_write+0x68/0xf0

 4549 19:41:06.355486  # [   53.282448]  make_task_dead+0x2f/0x30

 4550 19:41:06.361593  # [   53.286833]  rewind_stack_and_make_dead+0x17/0x20

 4551 19:41:06.365095  # [   53.292373] RIP: 0033:0x7fc3399a1473

 4552 19:41:06.387060  # [   53.296659] 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 19:41:06.394512  # [   53.317935] RSP: 002b:00007fffffe9b718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4554 19:41:06.403551  # [   53.326682] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fc3399a1473

 4555 19:41:06.411447  # [   53.334946] RDX: 000000000000000d RSI: 00007fc339895000 RDI: 0000000000000001

 4556 19:41:06.419416  # [   53.343211] RBP: 00007fc339895000 R08: 00007fc339894010 R09: 0000000000000000

 4557 19:41:06.427226  # [   53.351476] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4558 19:41:06.435519  # [   53.359736] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4559 19:41:06.439370  # EXEC_KMALLOC: saw 'call trace:': ok

 4560 19:41:06.443681  ok 32 selftests: lkdtm: EXEC_KMALLOC.sh

 4561 19:41:06.447306  # selftests: lkdtm: EXEC_VMALLOC.sh

 4562 19:41:06.449714  # Killed

 4563 19:41:06.454355  # [   53.701389] lkdtm: Performing direct entry EXEC_VMALLOC

 4564 19:41:06.460459  # [   53.709776] lkdtm: attempting ok execution at ffffffff9657c2d0

 4565 19:41:06.467848  # [   53.722819] lkdtm: attempting bad execution at ffffbd97003d9000

 4566 19:41:06.476815  # [   53.735975] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4567 19:41:06.483987  # [   53.744634] BUG: unable to handle page fault for address: ffffbd97003d9000

 4568 19:41:06.490051  # [   53.752606] #PF: supervisor instruction fetch in kernel mode

 4569 19:41:06.496292  # [   53.759222] #PF: error_code(0x0011) - permissions violation

 4570 19:41:06.509782  # [   53.765742] PGD 100000067 P4D 100000067 PUD 100248067 PMD 1009ff067 <6>[   55.289774] lkdtm: Performing direct entry EXEC_USERSPACE

 4571 19:41:06.516628  <6>[   55.298734] lkdtm: attempting ok execution at ffffffff9657c2d0

 4572 19:41:06.523671  <6>[   55.305622] lkdtm: attempting bad execution at 00007f6248491000

 4573 19:41:06.526363  PTE 8000000103483063

 4574 19:41:06.530459  # [   53.775096] Oops: 0011 [#8] SMP PTI

 4575 19:41:06.536507  <2>[   55.312592] unable to execute userspace code (SMEP?) (uid: 0)

 4576 19:41:06.545500  <1>[   55.325467] BUG: unable to handle page fault for address: 00007f6248491000

 4577 19:41:06.551731  <1>[   55.333444] #PF: supervisor instruction fetch in kernel mode

 4578 19:41:06.564160  # [   53.779289] CPU: 0 PID: 1683 Comm: cat Tainted: G      D W <1>[   55.340060] #PF: error_code(0x0011) - permissions violation

 4579 19:41:06.566748          5.10.206-cip41 #1

 4580 19:41:06.580780  # [   53.788235] Hardware name: Googl<6>[   55.352786] PGD 800000010383d067 P4D 800000010383d067 PUD 105b65067 PMD 105a18067 PTE 10ac44067

 4581 19:41:06.584839  <4>[   55.369023] Oops: 0011 [#10] SMP PTI

 4582 19:41:06.593924  <4>[   55.373313] CPU: 2 PID: 1757 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4583 19:41:06.596880  e Coral/Coral, BIOS  09/29/2020

 4584 19:41:06.606757  # [   53.795148] RIP: 0010:0xff<4>[   55.382257] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4585 19:41:06.611987  <4>[   55.395376] RIP: 0010:0x7f6248491000

 4586 19:41:06.618791  <4>[   55.399663] Code: Unable to access opcode bytes at RIP 0x7f6248490fd6.

 4587 19:41:06.625043  <4>[   55.407248] RSP: 0018:ffffbd97022ffe50 EFLAGS: 00010246

 4588 19:41:06.633135  <4>[   55.413383] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4589 19:41:06.641304  <4>[   55.421649] RDX: 0000000000000000 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50

 4590 19:41:06.650025  <4>[   55.429913] RBP: 00007f6248491000 R08: 0000000000000000 R09: 0000000000000000

 4591 19:41:06.658424  <4>[   55.438176] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 4592 19:41:06.666717  <4>[   55.446438] R13: ffffbd97022fff10 R14: ffffbd97022fff10 R15: ffff9d50446ed000

 4593 19:41:06.675335  <4>[   55.454705] FS:  00007f6248462580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 4594 19:41:06.682265  <4>[   55.464039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4595 19:41:06.690762  <4>[   55.470750] CR2: 00007f6248491000 CR3: 0000000105adc000 CR4: 00000000003506e0

 4596 19:41:06.693179  <4>[   55.479012] Call Trace:

 4597 19:41:06.698537  <4>[   55.482051]  ? __die_body.cold+0x1a/0x1f

 4598 19:41:06.702667  <4>[   55.486734]  ? no_context+0x177/0x380

 4599 19:41:06.707094  <4>[   55.491119]  ? exc_page_fault+0x53/0x170

 4600 19:41:06.712274  <4>[   55.495797]  ? asm_exc_page_fault+0x1e/0x30

 4601 19:41:06.717926  <4>[   55.500774]  ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae

 4602 19:41:06.722979  <4>[   55.506420]  ? direct_entry.cold+0x2c/0x38

 4603 19:41:06.727560  <4>[   55.511295]  ? full_proxy_write+0x56/0x80

 4604 19:41:06.731764  <4>[   55.516073]  ? vfs_write+0xea/0x3b0

 4605 19:41:06.735729  <4>[   55.520265]  ? ksys_write+0x68/0xf0

 4606 19:41:06.740863  <4>[   55.524458]  ? do_syscall_64+0x33/0x40

 4607 19:41:06.747138  <4>[   55.528938]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4608 19:41:06.748553  ffbd97003d9000

 4609 19:41:06.793979  # [   53.799828] Code: Unable to access opcode b<4>[   55.535074] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4610 19:41:06.797197  <4>[   55.581344] CR2: 00007f6248491000

 4611 19:41:06.802114  <4>[   55.585341] ---[ end trace f8800554775ed3dc ]---

 4612 19:41:06.807070  <4>[   55.590794] RIP: 0010:lkdtm_BUG+0x5/0x10

 4613 19:41:06.828006  <4>[   55.595472] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 4614 19:41:06.834995  <4>[   55.616750] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 4615 19:41:06.842423  <4>[   55.622882] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 4616 19:41:06.850562  <4>[   55.631141] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 4617 19:41:06.859040  <4>[   55.639404] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 4618 19:41:06.867370  <4>[   55.647668] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4619 19:41:06.875876  <4>[   55.655931] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 4620 19:41:06.884689  <4>[   55.664193] FS:  00007f6248462580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 4621 19:41:06.891710  <4>[   55.673526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4622 19:41:06.899803  <4>[   55.680234] CR2: 00007f6248491000 CR3: 0000000105adc000 CR4: 00000000003506e0

 4623 19:41:06.903050  ytes at RIP 0xffffbd97003d8fd6.

 4624 19:41:06.909311  # [   53.813923] RSP: 0018:ffffbd97021efe38 EFLAGS: 00010246

 4625 19:41:06.917548  # [   53.820053] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4626 19:41:06.925771  # [   53.828321] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffff9d50bbc1bf50

 4627 19:41:06.933806  # [   53.836587] RBP: ffffbd97003d9000 R08: 0000000000000000 R09: 0000000000000000

 4628 19:41:06.941755  # [   53.844851] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4629 19:41:06.949785  # [   53.853117] R13: ffffbd97021eff10 R14: ffffbd97021eff10 R15: ffff9d5043483000

 4630 19:41:06.959529  # [   53.861383] FS:  00007ff1084ef580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000

 4631 19:41:06.965589  # [   53.870716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4632 19:41:06.974227  # [   53.877428] CR2: ffffbd97003d8fd6 CR3: 0000000106496000 CR4: 00000000003506f0

 4633 19:41:06.977296  # [   53.885691] Call Trace:

 4634 19:41:06.981434  # [   53.888732]  ? __die_body.cold+0x1a/0x1f

 4635 19:41:06.985543  # [   53.893414]  ? no_context+0x177/0x380

 4636 19:41:06.990187  # [   53.897804]  ? exc_page_fault+0xd7/0x170

 4637 19:41:06.995309  # [   53.902482]  ? asm_exc_page_fault+0x1e/0x30

 4638 19:41:06.999759  # [   53.907460]  ? execute_location+0x48/0x56

 4639 19:41:07.005232  # [   53.912237]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4640 19:41:07.009387  # [   53.917203]  ? direct_entry.cold+0x2c/0x38

 4641 19:41:07.014097  # [   53.922077]  ? full_proxy_write+0x56/0x80

 4642 19:41:07.018233  # [   53.926854]  ? vfs_write+0xea/0x3b0

 4643 19:41:07.021947  # [   53.931047]  ? ksys_write+0x68/0xf0

 4644 19:41:07.026435  # [   53.935242]  ? do_syscall_64+0x33/0x40

 4645 19:41:07.032692  # [   53.939723]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4646 19:41:07.072607  # [   53.945859] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4647 19:41:07.077002  # [   53.992125] CR2: ffffbd97003d9000

 4648 19:41:07.081936  # [   53.996124] ---[ end trace f8800554775ed3da ]---

 4649 19:41:07.086754  # [   54.001577] RIP: 0010:lkdtm_BUG+0x5/0x10

 4650 19:41:07.107681  # [   54.006254] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 4651 19:41:07.113988  # [   54.027527] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 4652 19:41:07.121969  # [   54.033660] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 4653 19:41:07.129738  # [   54.041926] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 4654 19:41:07.137592  # [   54.050192] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 4655 19:41:07.146448  # [   54.058458] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4656 19:41:07.154258  # [   54.066724] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 4657 19:41:07.163589  # [   54.074989] FS:  00007ff1084ef580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000

 4658 19:41:07.169865  # [   54.084325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4659 19:41:07.178059  # [   54.097247] CR2: ffffbd97003d8fd6 CR3: 0000000106496000 CR4: 00000000003506f0

 4660 19:41:07.185720  # EXEC_VMALLOC<6>[   55.966569] lkdtm: Performing direct entry EXEC_NULL

 4661 19:41:07.192013  <6>[   55.973966] lkdtm: attempting ok execution at ffffffff9657c2d0

 4662 19:41:07.199037  <6>[   55.980804] lkdtm: attempting bad execution at 0000000000000000

 4663 19:41:07.207637  <1>[   55.987751] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4664 19:41:07.214364  <1>[   55.995827] #PF: supervisor instruction fetch in kernel mode

 4665 19:41:07.219881  <1>[   56.002443] #PF: error_code(0x0010) - not-present page

 4666 19:41:07.223101  <6>[   56.008476] PGD 0 P4D 0 

 4667 19:41:07.227520  <4>[   56.011609] Oops: 0010 [#11] SMP PTI

 4668 19:41:07.236001  <4>[   56.015899] CPU: 1 PID: 1794 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4669 19:41:07.243627  <4>[   56.024844] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4670 19:41:07.247205  <4>[   56.031756] RIP: 0010:0x0

 4671 19:41:07.254575  <4>[   56.034980] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 4672 19:41:07.260310  <4>[   56.042953] RSP: 0018:ffffbd97023bfe48 EFLAGS: 00010246

 4673 19:41:07.268969  <4>[   56.049086] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4674 19:41:07.277802  <4>[   56.057349] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50

 4675 19:41:07.285526  <4>[   56.065614] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4676 19:41:07.294139  <4>[   56.073879] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4677 19:41:07.301874  <4>[   56.082142] R13: ffffbd97023bff10 R14: ffffbd97023bff10 R15: ffff9d5043e2b000

 4678 19:41:07.311090  <4>[   56.090408] FS:  00007f04b8ffb580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 4679 19:41:07.317918  <4>[   56.099742] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4680 19:41:07.326046  <4>[   56.106454] CR2: ffffffffffffffd6 CR3: 0000000105a72000 CR4: 00000000003506e0

 4681 19:41:07.329605  <4>[   56.114719] Call Trace:

 4682 19:41:07.333781  <4>[   56.117759]  ? __die_body.cold+0x1a/0x1f

 4683 19:41:07.338465  <4>[   56.122440]  ? no_context+0x177/0x380

 4684 19:41:07.343120  <4>[   56.126828]  ? exc_page_fault+0x53/0x170

 4685 19:41:07.347758  <4>[   56.131507]  ? asm_exc_page_fault+0x1e/0x30

 4686 19:41:07.352438  <4>[   56.136487]  execute_location+0x48/0x56

 4687 19:41:07.357809  <4>[   56.141068]  direct_entry.cold+0x2c/0x38

 4688 19:41:07.362116  <4>[   56.145748]  full_proxy_write+0x56/0x80

 4689 19:41:07.365603  <4>[   56.150331]  vfs_write+0xea/0x3b0

 4690 19:41:07.369717  <4>[   56.154327]  ksys_write+0x68/0xf0

 4691 19:41:07.374093  <4>[   56.158326]  do_syscall_64+0x33/0x40

 4692 19:41:07.379619  <4>[   56.162612]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4693 19:41:07.384717  <4>[   56.168551] RIP: 0033:0x7f04b8f11473

 4694 19:41:07.405986  <4>[   56.172839] 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

 4695 19:41:07.414663  <4>[   56.194112] RSP: 002b:00007ffc73884b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4696 19:41:07.422557  <4>[   56.202860] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f04b8f11473

 4697 19:41:07.430915  <4>[   56.211118] RDX: 000000000000000a RSI: 00007f04b8e05000 RDI: 0000000000000001

 4698 19:41:07.439227  <4>[   56.219378] RBP: 00007f04b8e05000 R08: 00007f04b8e04010 R09: 0000000000000000

 4699 19:41:07.447399  <4>[   56.227639] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4700 19:41:07.456297  <4>[   56.235900] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4701 19:41:07.458360  : saw 'call trace:': ok

 4702 19:41:07.501594  ok 33 selftests: lkdtm: EXEC_VMALLOC.sh<4>[   56.244172] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4703 19:41:07.505876  <4>[   56.290401] CR2: 0000000000000000

 4704 19:41:07.511453  <4>[   56.294396] ---[ end trace f8800554775ed3dd ]---

 4705 19:41:07.516319  <4>[   56.299848] RIP: 0010:lkdtm_BUG+0x5/0x10

 4706 19:41:07.537196  <4>[   56.304508] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 4707 19:41:07.543182  <4>[   56.325771] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 4708 19:41:07.552646  <4>[   56.331899] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 4709 19:41:07.559696  <4>[   56.340156] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 4710 19:41:07.568339  <4>[   56.348416] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 4711 19:41:07.576164  <4>[   56.356682] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4712 19:41:07.585634  <4>[   56.364945] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 4713 19:41:07.594395  <4>[   56.373211] FS:  00007f04b8ffb580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 4714 19:41:07.600880  <4>[   56.382542] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4715 19:41:07.609350  <4>[   56.389255] CR2: ffffffffffffffd6 CR3: 0000000105a72000 CR4: 00000000003506e0

 4716 19:41:07.618938  <3>[   56.397522] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4717 19:41:07.627660  <3>[   56.407730] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1794, name: cat

 4718 19:41:07.632845  <4>[   56.416477] INFO: lockdep is turned off.

 4719 19:41:07.636425  <4>[   56.421149] irq event stamp: 0

 4720 19:41:07.643873  <4>[   56.424851] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4721 19:41:07.653540  <4>[   56.432151] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 4722 19:41:07.662379  <4>[   56.441583] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 4723 19:41:07.670163  <4>[   56.451014] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4724 19:41:07.678894  <4>[   56.458311] CPU: 1 PID: 1794 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4725 19:41:07.686664  <4>[   56.467256] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4726 19:41:07.688855  <4>[   56.474160] Call Trace:

 4727 19:41:07.692725  <4>[   56.477191]  dump_stack+0x77/0x9b

 4728 19:41:07.697369  <4>[   56.481191]  ___might_sleep.cold+0xa6/0xb6

 4729 19:41:07.701792  <4>[   56.486064]  exit_signals+0x1c/0x300

 4730 19:41:07.705762  <4>[   56.490353]  do_exit+0xc2/0xab0

 4731 19:41:07.710032  <4>[   56.494158]  ? ksys_write+0x68/0xf0

 4732 19:41:07.714544  <4>[   56.498351]  make_task_dead+0x2f/0x30

 4733 19:41:07.720200  <4>[   56.502738]  rewind_stack_and_make_dead+0x17/0x20

 4734 19:41:07.724057  <4>[   56.508285] RIP: 0033:0x7f04b8f11473

 4735 19:41:07.745869  <4>[   56.512569] 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

 4736 19:41:07.753864  <4>[   56.533842] RSP: 002b:00007ffc73884b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4737 19:41:07.762527  <4>[   56.542595] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f04b8f11473

 4738 19:41:07.770978  <4>[   56.550858] RDX: 000000000000000a RSI: 00007f04b8e05000 RDI: 0000000000000001

 4739 19:41:07.778796  <4>[   56.559122] RBP: 00007f04b8e05000 R08: 00007f04b8e04010 R09: 0000000000000000

 4740 19:41:07.786981  <4>[   56.567384] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4741 19:41:07.794979  <4>[   56.575648] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4742 19:41:07.795768  

 4743 19:41:07.799565  # selftests: lkdtm: EXEC_RODATA.sh

 4744 19:41:07.800280  # Killed

 4745 19:41:07.805826  # [   54.375000] lkdtm: Performing direct entry EXEC_RODATA

 4746 19:41:07.812810  # [   54.385062] lkdtm: attempting ok execution at ffffffff9657c2d0

 4747 19:41:07.819835  # [   54.398139] lkdtm: attempting bad execution at ffffffff976f8940

 4748 19:41:07.828226  # [   54.411299] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4749 19:41:07.836805  # [   54.426167] BUG: unable to handle page fault for address: ffffffff976f8940

 4750 19:41:07.842601  # [   54.434144] #PF: supervisor instruction fetch in kernel mode

 4751 19:41:07.849649  # [   54.446970] #PF: error_code(0x0011) - permissions violation

 4752 19:41:07.856627  # [   54.453488] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 8000000021c001e1 

 4753 19:41:07.861741  # [   54.461287] Oops: 0011 [#9] SMP PTI

 4754 19:41:07.870329  # [   54.465481] CPU: 1 PID: 1720 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4755 19:41:07.876134  # [   54.480630] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4756 19:41:07.882466  # [   54.487546] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4757 19:41:07.903521  # [   54.493583] Code: ff ff cf 0b c6 96 ff ff ff ff 12 2f b8 97 ff ff ff ff 15 f3 c5 96 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 19:41:07.909271  # [   54.514858] RSP: 0018:ffffbd9702277e48 EFLAGS: 00010246

 4759 19:41:07.917665  # [   54.520991] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4760 19:41:07.925454  # [   54.529256] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50

 4761 19:41:07.933959  # [   54.537521] RBP: ffffffff976f8940 R08: 0000000000000000 R09: 0000000000000000

 4762 19:41:07.941782  # [   54.545789] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4763 19:41:07.950301  # [   54.554054] R13: ffffbd9702277f10 R14: ffffbd9702277f10 R15: ffff9d50459e4000

 4764 19:41:07.959261  # [   54.562320] FS:  00007f06d41ab580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 4765 19:41:07.966476  # [   54.571655] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4766 19:41:07.974415  # [   54.578367] CR2: ffffffff976f8940 CR3: 0000000105970000 CR4: 00000000003506e0

 4767 19:41:07.977107  # [   54.586633] Call Trace:

 4768 19:41:07.981475  # [   54.589673]  ? __die_body.cold+0x1a/0x1f

 4769 19:41:07.986118  # [   54.594356]  ? no_context+0x177/0x380

 4770 19:41:07.990265  # [   54.598746]  ? exc_page_fault+0xd7/0x170

 4771 19:41:07.995306  # [   54.603425]  ? asm_exc_page_fault+0x1e/0x30

 4772 19:41:08.000554  # [   54.608405]  ? execute_location+0x48/0x56

 4773 19:41:08.004882  # [   54.613177]  ? direct_entry.cold+0x2c/0x38

 4774 19:41:08.010144  # [   54.618052]  ? full_proxy_write+0x56/0x80

 4775 19:41:08.013288  # [   54.622828]  ? vfs_write+0xea/0x3b0

 4776 19:41:08.018217  # [   54.627021]  ? ksys_write+0x68/0xf0

 4777 19:41:08.021566  # [   54.631216]  ? do_syscall_64+0x33/0x40

 4778 19:41:08.028472  # [   54.641891]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4779 19:41:08.068230  # [   54.648031] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4780 19:41:08.072959  # [   54.694276] CR2: ffffffff976f8940

 4781 19:41:08.077093  # [   54.698274] ---[ end trace f8800554775ed3db ]---

 4782 19:41:08.081640  # [   54.703718] RIP: 0010:lkdtm_BUG+0x5/0x10

 4783 19:41:08.102583  # [   54.708394] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 4784 19:41:08.108832  # [   54.729662] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 4785 19:41:08.117123  # [   54.735785] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 4786 19:41:08.124914  # [   54.744053] <6>[   56.901874] lkdtm: Performing direct entry ACCESS_USERSPACE

 4787 19:41:08.131419  <6>[   56.913697] lkdtm: attempting bad read at 00007f1d28aa2000

 4788 19:41:08.140188  <1>[   56.920172] BUG: unable to handle page fault for address: 00007f1d28aa2000

 4789 19:41:08.145454  <1>[   56.928148] #PF: supervisor read access in kernel mode

 4790 19:41:08.152112  <1>[   56.934171] #PF: error_code(0x0001) - permissions violation

 4791 19:41:08.167980  RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b<6>[   56.940688] PGD 800000010381e067 P4D 800000010381e067 PUD 102ac8067 PMD 10588c067 PTE 10ab93067

 4792 19:41:08.173032  <4>[   56.956919] Oops: 0001 [#12] SMP PTI

 4793 19:41:08.173116  0

 4794 19:41:08.189085  # [   54.752319] RBP: ffffffff97be8e88 R08: 0000000000000001 <4>[   56.961206] CPU: 2 PID: 1830 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4795 19:41:08.194612  <4>[   56.976337] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4796 19:41:08.196689  R09: 0000000000000001

 4797 19:41:08.207351  # [   54.760585] R10: 00000000ffffe000 R1<4>[   56.983252] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4798 19:41:08.229385  <4>[   56.995982] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 30 3c b8 97 e8 24 d8 fb ff 48 c7 c7 58 3c b8 97 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0b d8 fb ff 48 89 ee 48 c7 c7 80 3c b8

 4799 19:41:08.234501  <4>[   57.017250] RSP: 0018:ffffbd9702447e48 EFLAGS: 00010246

 4800 19:41:08.243097  <4>[   57.023384] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000

 4801 19:41:08.251580  <4>[   57.031649] RDX: 0000000000000000 RSI: ffff9d50bbd1bf50 RDI: ffffffff97b83c58

 4802 19:41:08.259489  <4>[   57.039915] RBP: 00007f1d28aa2000 R08: 0000000000000000 R09: 0000000000000000

 4803 19:41:08.268481  <4>[   57.048180] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011

 4804 19:41:08.276195  <4>[   57.056445] R13: ffffbd9702447f10 R14: ffffbd9702447f10 R15: ffff9d50453e9000

 4805 19:41:08.285577  <4>[   57.064713] FS:  00007f1d28a73580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 4806 19:41:08.292478  <4>[   57.074047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4807 19:41:08.300903  <4>[   57.080757] CR2: 00007f1d28aa2000 CR3: 0000000102956000 CR4: 00000000003506e0

 4808 19:41:08.303552  <4>[   57.089022] Call Trace:

 4809 19:41:08.308036  <4>[   57.092052]  ? __die_body.cold+0x1a/0x1f

 4810 19:41:08.313380  <4>[   57.096731]  ? no_context+0x177/0x380

 4811 19:41:08.318030  <4>[   57.101120]  ? exc_page_fault+0x53/0x170

 4812 19:41:08.322438  <4>[   57.105796]  ? asm_exc_page_fault+0x1e/0x30

 4813 19:41:08.328206  <4>[   57.110767]  ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4814 19:41:08.333797  <4>[   57.116610]  ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3

 4815 19:41:08.338734  <4>[   57.122450]  direct_entry.cold+0x2c/0x38

 4816 19:41:08.342854  <4>[   57.127129]  full_proxy_write+0x56/0x80

 4817 19:41:08.348766  <4>[   57.131711]  vfs_write+0xea/0x3b0

 4818 19:41:08.351001  <4>[   57.135708]  ksys_write+0x68/0xf0

 4819 19:41:08.355362  <4>[   57.139708]  do_syscall_64+0x33/0x40

 4820 19:41:08.362380  <4>[   57.143997]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4821 19:41:08.365979  <4>[   57.149937] RIP: 0033:0x7f1d28989473

 4822 19:41:08.387135  <4>[   57.154225] 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

 4823 19:41:08.395671  <4>[   57.175494] RSP: 002b:00007fff5f47e8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4824 19:41:08.403920  <4>[   57.184243] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f1d28989473

 4825 19:41:08.411952  <4>[   57.192503] RDX: 0000000000000011 RSI: 00007f1d2887d000 RDI: 0000000000000001

 4826 19:41:08.420595  <4>[   57.200767] RBP: 00007f1d2887d000 R08: 00007f1d2887c010 R09: 0000000000000000

 4827 19:41:08.428777  <4>[   57.209032] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4828 19:41:08.436906  <4>[   57.217296] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4829 19:41:08.441511  1: 3fffffffffffffff R12: 0000000000000004

 4830 19:41:08.483098  # [   54.768852] R13:<4>[   57.225572] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4831 19:41:08.487711  <4>[   57.271861] CR2: 00007f1d28aa2000

 4832 19:41:08.492595  <4>[   57.275856] ---[ end trace f8800554775ed3de ]---

 4833 19:41:08.497288  <4>[   57.281304] RIP: 0010:lkdtm_BUG+0x5/0x10

 4834 19:41:08.519361  <4>[   57.285976] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 4835 19:41:08.525678  <4>[   57.307244] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 4836 19:41:08.533167  <4>[   57.313374] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 4837 19:41:08.541294  <4>[   57.321641] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 4838 19:41:08.549480  <4>[   57.329907] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 4839 19:41:08.557991  <4>[   57.338174] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4840 19:41:08.566141  <4>[   57.346440] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 4841 19:41:08.576798  <4>[   57.354707] FS:  00007f1d28a73580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 4842 19:41:08.582185  <4>[   57.364043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4843 19:41:08.590578  <4>[   57.370756] CR2: 00007f1d28aa2000 CR3: 0000000102956000 CR4: 00000000003506e0

 4844 19:41:08.596545   ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 4845 19:41:08.605864  # [   54.777120] FS:  00007f06d41ab580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 4846 19:41:08.612241  # [   54.786453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4847 19:41:08.620409  # [   54.793162] CR2: ffffffff976f8940 CR3: 0000000105970000 CR4: 00000000003506e0

 4848 19:41:08.630988  # [   54.801427] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4849 19:41:08.640088  # [   54.811637] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat

 4850 19:41:08.644133  # [   54.820385] INFO: lockdep is turned off.

 4851 19:41:08.647525  # [   54.825054] irq event stamp: 0

 4852 19:41:08.655287  # [   54.828759] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4853 19:41:08.664252  # [   54.842277] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 4854 19:41:08.673273  # [   54.851709] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 4855 19:41:08.680722  # [   54.861142] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4856 19:41:08.689290  # [   54.868440] CPU: 1 PID: 1720 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4857 19:41:08.695712  # [   54.877385] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4858 19:41:08.699092  # [   54.884289] Call Trace:

 4859 19:41:08.703140  # [   54.887324]  dump_stack+0x77/0x9b

 4860 19:41:08.707436  # [   54.891325]  ___might_sleep.cold+0xa6/0xb6

 4861 19:41:08.711460  # [   54.896200]  exit_signals+0x1c/0x300

 4862 19:41:08.715144  # [   54.900488]  do_exit+0xc2/0xab0

 4863 19:41:08.719767  # [   54.904284]  ? ksys_write+0x68/0xf0

 4864 19:41:08.724074  # [   54.908476]  make_task_dead+0x2f/0x30

 4865 19:41:08.729203  # [   54.912863]  rewind_stack_and_make_dead+0x17/0x20

 4866 19:41:08.733244  # [   54.918412] RIP: 0033:0x7f06d40c1473

 4867 19:41:08.754616  # [   54.922702] 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 19:41:08.765404  # [   54.943974] RSP: 002b:00007ffebd8c6318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4869 19:41:08.771140  # [   54.952729] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f06d40c1473

 4870 19:41:08.779348  # [   54.960994] RDX: 000000000000000c RSI: 00007f06d3fb5000 RDI: 0000000000000001

 4871 19:41:08.787577  # [   54.969260] RBP: 00007f06d3fb5000 R08: 00007f06d3fb4010 R09: 0000000000000000

 4872 19:41:08.796292  # [   54.977526] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4873 19:41:08.804547  # [   54.985790] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4874 19:41:08.807595  # EXEC_RODATA: saw 'call trace:': ok

 4875 19:41:08.811322  ok 34 selftests: lkdtm: EXEC_RODATA.sh

 4876 19:41:08.815614  # selftests: lkdtm: EXEC_USERSPACE.sh

 4877 19:41:08.816355  # Killed

 4878 19:41:08.822348  # [   55.289774] lkdtm: Performing direct entry EXEC_USERSPACE

 4879 19:41:08.829210  # [   55.298734] lkdtm: attempting ok execution at ffffffff9657c2d0

 4880 19:41:08.836307  # [   55.305622] lkdtm: attempting bad execution at 00007f6248491000

 4881 19:41:08.842682  # [   55.312592] unable to execute userspace code (SMEP?) (uid: 0)

 4882 19:41:08.850321  # [   55.325467] BUG: unable to handle page fault for address: 00007f6248491000

 4883 19:41:08.857002  # [   55.333444] #PF: supervisor instruction fetch in kernel mode

 4884 19:41:08.863393  # [   55.340060] #PF: error_code(0x0011) - permissions violation

 4885 19:41:08.873080  # [   55.352786] PGD 800000010383d067 P4D 800000010383d067 PUD 105b65067 PMD 105a18067 PTE 10ac44067

 4886 19:41:08.877448  # [   55.369023] Oops: 0011 [#10] SMP PTI

 4887 19:41:08.886656  # [   55.373313] CPU: 2 PID: 1757 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4888 19:41:08.894485  # [   55.382257] Hardwar<6>[   57.673418] lkdtm: Performing direct entry ACCESS_NULL

 4889 19:41:08.901384  <6>[   57.683264] lkdtm: attempting bad read at 0000000000000000

 4890 19:41:08.909560  <1>[   57.689743] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4891 19:41:08.915847  <1>[   57.697816] #PF: supervisor read access in kernel mode

 4892 19:41:08.922262  <1>[   57.703845] #PF: error_code(0x0000) - not-present page

 4893 19:41:08.926264  <e6 name: Google Coral/Coral, BIOS  09/29/2020

 4894 19:41:08.930791  # [   55.395376] >[   57.709876] PGD 0 P4D 0 

 4895 19:41:08.935301  <4>[   57.719114] Oops: 0000 [#13] SMP PTI

 4896 19:41:08.937429  IP: 0010:0x7f6248491000

 4897 19:41:08.949562  # [   55.399663] Code: Unable to access<4>[   57.723398] CPU: 2 PID: 1866 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4898 19:41:08.957025  <4>[   57.738528] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4899 19:41:08.962183  <4>[   57.745432] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 4900 19:41:08.983399  <4>[   57.750979] Code: c8 d7 fb ff be 00 10 00 00 48 89 ef e8 56 6d 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 30 3c b8 97 e8 a2 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 58 3c b8 97 48 01

 4901 19:41:08.989859  <4>[   57.772241] RSP: 0018:ffffbd97024bfe58 EFLAGS: 00010246

 4902 19:41:08.997919  <4>[   57.778367] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 4903 19:41:09.006698  <4>[   57.786622] RDX: 0000000000000000 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50

 4904 19:41:09.014794  <4>[   57.794883] RBP: ffffffff97b82d21 R08: 0000000000000000 R09: 0000000000000000

 4905 19:41:09.023509  <4>[   57.803144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4906 19:41:09.031039  <4>[   57.811399] R13: ffffbd97024bff10 R14: ffffbd97024bff10 R15: ffff9d50446ec000

 4907 19:41:09.040361  <4>[   57.819663] FS:  00007fc9655f8580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 4908 19:41:09.047162  <4>[   57.828984] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4909 19:41:09.055551  <4>[   57.835693] CR2: 0000000000000000 CR3: 0000000106d4e000 CR4: 00000000003506e0

 4910 19:41:09.058056  <4>[   57.843950] Call Trace:

 4911 19:41:09.062810  <4>[   57.846982]  ? __die_body.cold+0x1a/0x1f

 4912 19:41:09.067500  <4>[   57.851658]  ? no_context+0x177/0x380

 4913 19:41:09.072681  <4>[   57.856039]  ? exc_page_fault+0x53/0x170

 4914 19:41:09.076935  <4>[   57.860712]  ? asm_exc_page_fault+0x1e/0x30

 4915 19:41:09.082449  <4>[   57.865675]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4916 19:41:09.087246  <4>[   57.870543]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4917 19:41:09.091338  <4>[   57.875404]  direct_entry.cold+0x2c/0x38

 4918 19:41:09.095936  <4>[   57.880076]  full_proxy_write+0x56/0x80

 4919 19:41:09.100702  <4>[   57.884650]  vfs_write+0xea/0x3b0

 4920 19:41:09.103737  <4>[   57.888642]  ksys_write+0x68/0xf0

 4921 19:41:09.108147  <4>[   57.892634]  do_syscall_64+0x33/0x40

 4922 19:41:09.114646  <4>[   57.896911]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4923 19:41:09.118730  <4>[   57.902835] RIP: 0033:0x7fc96550e473

 4924 19:41:09.139782  <4>[   57.907113] 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

 4925 19:41:09.149905  <4>[   57.928372] RSP: 002b:00007fff4b640358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4926 19:41:09.157499  <4>[   57.937114] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc96550e473

 4927 19:41:09.164981  <4>[   57.945371] RDX: 000000000000000c RSI: 00007fc965402000 RDI: 0000000000000001

 4928 19:41:09.173385  <4>[   57.953630] RBP: 00007fc965402000 R08: 00007fc965401010 R09: 0000000000000000

 4929 19:41:09.181541  <4>[   57.961885] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4930 19:41:09.189484  <4>[   57.970133] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4931 19:41:09.193482   opcode bytes at RIP 0x7f6248490fd6.

 4932 19:41:09.235743  # [   55.407248] RSP: 0018<4>[   57.978390] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4933 19:41:09.240476  <4>[   58.024619] CR2: 0000000000000000

 4934 19:41:09.245331  <4>[   58.028616] ---[ end trace f8800554775ed3df ]---

 4935 19:41:09.249740  <4>[   58.034067] RIP: 0010:lkdtm_BUG+0x5/0x10

 4936 19:41:09.271675  <4>[   58.038730] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 4937 19:41:09.277644  <4>[   58.059980] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 4938 19:41:09.286059  <4>[   58.066097] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 4939 19:41:09.293868  <4>[   58.074351] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 4940 19:41:09.302002  <4>[   58.082608] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 4941 19:41:09.310340  <4>[   58.090872] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4942 19:41:09.318554  <4>[   58.099131] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 4943 19:41:09.328139  <4>[   58.107393] FS:  00007fc9655f8580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 4944 19:41:09.334774  <4>[   58.116721] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4945 19:41:09.342843  <4>[   58.123429] CR2: 0000000000000000 CR3: 0000000106d4e000 CR4: 00000000003506e0

 4946 19:41:09.354311  <3>[   58.131692] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4947 19:41:09.362675  <3>[   58.141896] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1866, name: cat

 4948 19:41:09.366601  <4>[   58.150630] INFO: lockdep is turned off.

 4949 19:41:09.370924  <4>[   58.155300] irq event stamp: 0

 4950 19:41:09.378343  <4>[   58.158991] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4951 19:41:09.387182  <4>[   58.166276] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 4952 19:41:09.396295  <4>[   58.175697] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 4953 19:41:09.403938  <4>[   58.185128] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4954 19:41:09.412550  <4>[   58.192424] CPU: 2 PID: 1866 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 4955 19:41:09.420508  <4>[   58.201360] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 4956 19:41:09.422970  <4>[   58.208265] Call Trace:

 4957 19:41:09.426631  <4>[   58.211294]  dump_stack+0x77/0x9b

 4958 19:41:09.431793  <4>[   58.215292]  ___might_sleep.cold+0xa6/0xb6

 4959 19:41:09.435527  <4>[   58.220164]  exit_signals+0x1c/0x300

 4960 19:41:09.439989  <4>[   58.224451]  do_exit+0xc2/0xab0

 4961 19:41:09.443487  <4>[   58.228254]  ? ksys_write+0x68/0xf0

 4962 19:41:09.448038  <4>[   58.232446]  make_task_dead+0x2f/0x30

 4963 19:41:09.455205  <4>[   58.236833]  rewind_stack_and_make_dead+0x17/0x20

 4964 19:41:09.458298  <4>[   58.242378] RIP: 0033:0x7fc96550e473

 4965 19:41:09.479350  <4>[   58.246664] 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

 4966 19:41:09.488069  <4>[   58.267926] RSP: 002b:00007fff4b640358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4967 19:41:09.496622  <4>[   58.276672] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc96550e473

 4968 19:41:09.504616  <4>[   58.284938] RDX: 000000000000000c RSI: 00007fc965402000 RDI: 0000000000000001

 4969 19:41:09.512802  <4>[   58.293199] RBP: 00007fc965402000 R08: 00007fc965401010 R09: 0000000000000000

 4970 19:41:09.520895  <4>[   58.301459] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4971 19:41:09.529946  <4>[   58.309721] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4972 19:41:09.532942  :ffffbd97022ffe50 EFLAGS: 00010246

 4973 19:41:09.541180  # [   55.413383] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4974 19:41:09.549072  # [   55.421649] RDX: 0000000000000000 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50

 4975 19:41:09.557705  # [   55.429913] RBP: 00007f6248491000 R08: 0000000000000000 R09: 0000000000000000

 4976 19:41:09.565278  # [   55.438176] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 4977 19:41:09.574090  # [   55.446438] R13: ffffbd97022fff10 R14: ffffbd97022fff10 R15: ffff9d50446ed000

 4978 19:41:09.583193  # [   55.454705] FS:  00007f6248462580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 4979 19:41:09.589323  # [   55.464039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4980 19:41:09.598556  # [   55.470750] CR2: 00007f6248491000 CR3: 0000000105adc000 CR4: 00000000003506e0

 4981 19:41:09.600774  # [   55.479012] Call Trace:

 4982 19:41:09.605230  # [   55.482051]  ? __die_body.cold+0x1a/0x1f

 4983 19:41:09.609617  # [   55.486734]  ? no_context+0x177/0x380

 4984 19:41:09.614507  # [   55.491119]  ? exc_page_fault+0x53/0x170

 4985 19:41:09.618875  # [   55.495797]  ? asm_exc_page_fault+0x1e/0x30

 4986 19:41:09.624113  # [   55.500774]  ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae

 4987 19:41:09.628683  # [   55.506420]  ? direct_entry.cold+0x2c/0x38

 4988 19:41:09.634118  # [   55.511295]  ? full_proxy_write+0x56/0x80

 4989 19:41:09.637907  # [   55.516073]  ? vfs_write+0xea/0x3b0

 4990 19:41:09.642243  # [   55.520265]  ? ksys_write+0x68/0xf0

 4991 19:41:09.646077  # [   55.524458]  ? do_syscall_64+0x33/0x40

 4992 19:41:09.653471  # [   55.528938]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4993 19:41:09.692446  # [   55.535074] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 4994 19:41:09.696857  # [   55.581344] CR2: 00007f6248491000

 4995 19:41:09.701885  # [   55.585341] ---[ end trace f8800554775ed3dc ]---

 4996 19:41:09.706337  # [   55.590794] RIP: 0010:lkdtm_BUG+0x5/0x10

 4997 19:41:09.727413  # [   55.595472] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 4998 19:41:09.732962  # [   55.616750] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 4999 19:41:09.740954  # [   55.622882] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 5000 19:41:09.749700  # [   55.631141] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 5001 19:41:09.757464  # [   55.639404] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 5002 19:41:09.766066  # [   55.647668] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5003 19:41:09.773634  # [   55.655931] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 5004 19:41:09.782484  # [   55.664193] FS:  00007f6248462580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 5005 19:41:09.789523  # [   55.673526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5006 19:41:09.797731  # [   55.680234] CR2: 00007f6248491000 CR3: 0000000105adc000 CR4: 00000000003506e0

 5007 19:41:09.801915  # EXEC_USERSPACE: saw 'call trace:': ok

 5008 19:41:09.805867  ok 35 selftests: lkdtm: EXEC_USERSPACE.sh

 5009 19:41:09.809199  # selftests: lkdtm: EXEC_NULL.sh

 5010 19:41:09.810315  # Killed

 5011 19:41:09.815688  # [   55.966569] lkdtm: Performing direct entry EXEC_NULL

 5012 19:41:09.822244  # [   55.973966] lkdtm: attempting ok execution at ffffffff9657c2d0

 5013 19:41:09.829035  # [   55.980804] lkdtm: attempting bad execution at 0000000000000000

 5014 19:41:09.837649  # [   55.987751] BUG: kernel NULL pointer dereference, address: 0000000000000000

 5015 19:41:09.843513  # [   55.995827] #PF: supervisor instruction fetch in kernel mode

 5016 19:41:09.849414  # [   56.002443] #PF: error_code(0x0010) - not-present page

 5017 19:41:09.852670  # [   56.008476] PGD 0 P4D 0 

 5018 19:41:09.857445  # [   56.011609] Oops: 0010 [#11] SMP PTI

 5019 19:41:09.865605  # [   56.015899] CPU: 1 PID: 1794 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5020 19:41:09.872752  # [   56.024844] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5021 19:41:09.876121  # [   56.031756] RIP: 0010:0x0

 5022 19:41:09.883917  # [   56.034980] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 5023 19:41:09.889145  # [   56.042953] RSP: 0018:ffffbd97023bfe48 EFLAGS: 00010246

 5024 19:41:09.898244  # [   56.049086] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 5025 19:41:09.905342  # [   56.057349] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50

 5026 19:41:09.914915  # [   56.065614] RBP: 00<6>[   58.693707] lkdtm: Performing direct entry WRITE_RO

 5027 19:41:09.920855  <6>[   58.702284] lkdtm: attempting bad rodata write at ffffffff976f8930

 5028 19:41:09.928939  <1>[   58.709525] BUG: unable to handle page fault for address: ffffffff976f8930

 5029 19:41:09.935662  <1>[   58.717486] #PF: supervisor write access in kernel mode

 5030 19:41:09.941799  <1>[   58.723604] #PF: error_code(0x0003) - permissions violation

 5031 19:41:09.949129  <6>[   58.730104] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 8000000021c001e1 

 5032 19:41:09.953631  <4>[   58.737878] Oops: 0003 [#14] SMP PTI

 5033 19:41:09.962956  <4>[   58.742155] CPU: 1 PID: 1902 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5034 19:41:09.969501  <4>[   58.751080] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5035 19:41:09.974303  <4>[   58.757986] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 5036 19:41:09.996178  <4>[   58.763227] Code: 00 48 c7 c7 10 3b b8 97 48 c7 c6 30 89 6f 97 e8 4c da fb ff 48 8b 05 d0 92 a9 00 ba 34 12 cd ab 48 c7 c7 40 3b b8 97 48 31 d0 <48> 89 05 ba 92 a9 00 e9 2a da fb ff 0f 1f 44 00 00 48 8b 05 c9 bc

 5037 19:41:10.001984  <4>[   58.784461] RSP: 0018:ffffbd9702537e60 EFLAGS: 00010202

 5038 19:41:10.010347  <4>[   58.790572] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 5039 19:41:10.018560  <4>[   58.798824] RDX: 00000000abcd1234 RSI: ffff9d50bbc9bf50 RDI: ffffffff97b83b40

 5040 19:41:10.026792  <4>[   58.807080] RBP: ffffffff97b82d2d R08: 0000000000000000 R09: 0000000000000000

 5041 19:41:10.035541  <4>[   58.815332] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 5042 19:41:10.042869  <4>[   58.823577] R13: ffffbd9702537f10 R14: ffffbd9702537f10 R15: ffff9d504325c000

 5043 19:41:10.052997  <4>[   58.831824] FS:  00007fa99c674580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 5044 19:41:10.059434  <4>[   58.841138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5045 19:41:10.067746  <4>[   58.847838] CR2: ffffffff976f8930 CR3: 000000010431c000 CR4: 00000000003506e0

 5046 19:41:10.071046  <4>[   58.856097] Call Trace:

 5047 19:41:10.075007  <4>[   58.859132]  ? __die_body.cold+0x1a/0x1f

 5048 19:41:10.079521  <4>[   58.863811]  ? no_context+0x177/0x380

 5049 19:41:10.084149  <4>[   58.868193]  ? exc_page_fault+0xd7/0x170

 5050 19:41:10.089181  <4>[   58.872863]  ? asm_exc_page_fault+0x1e/0x30

 5051 19:41:10.094457  <4>[   58.877826]  ? lkdtm_WRITE_RO+0x2e/0x3a

 5052 19:41:10.098305  <4>[   58.882392]  direct_entry.cold+0x2c/0x38

 5053 19:41:10.102815  <4>[   58.887071]  full_proxy_write+0x56/0x80

 5054 19:41:10.107289  <4>[   58.891654]  vfs_write+0xea/0x3b0

 5055 19:41:10.111264  <4>[   58.895651]  ksys_write+0x68/0xf0

 5056 19:41:10.115602  <4>[   58.899650]  do_syscall_64+0x33/0x40

 5057 19:41:10.121605  <4>[   58.903935]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5058 19:41:10.125602  <4>[   58.909873] RIP: 0033:0x7fa99c58a473

 5059 19:41:10.147042  <4>[   58.914152] 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

 5060 19:41:10.155625  <4>[   58.935371] RSP: 002b:00007ffc21d10e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5061 19:41:10.163977  <4>[   58.944109] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa99c58a473

 5062 19:41:10.171813  <4>[   58.952368] RDX: 0000000000000009 RSI: 00007fa99c47e000 RDI: 0000000000000001

 5063 19:41:10.180353  <4>[   58.960623] RBP: 00007fa99c47e000 R08: 00007fa99c47d010 R09: 0000000000000000

 5064 19:41:10.188663  <4>[   58.968873] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5065 19:41:10.196711  <4>[   58.977122] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5066 19:41:10.202554  00000000000000 R08: 0000000000000000 R09: 0000000000000000

 5067 19:41:10.243601  # [ <4>[   58.985383] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5068 19:41:10.247612  <4>[   59.031608] CR2: ffffffff976f8930

 5069 19:41:10.252702  <4>[   59.035595] ---[ end trace f8800554775ed3e0 ]---

 5070 19:41:10.256982  <4>[   59.041045] RIP: 0010:lkdtm_BUG+0x5/0x10

 5071 19:41:10.278220  <4>[   59.045711] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 5072 19:41:10.284970  <4>[   59.066956] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 5073 19:41:10.292778  <4>[   59.073085] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 5074 19:41:10.301523  <4>[   59.081340] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 5075 19:41:10.309216  <4>[   59.089596] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 5076 19:41:10.317722  <4>[   59.097856] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5077 19:41:10.326031  <4>[   59.106107] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 5078 19:41:10.335845  <4>[   59.114358] FS:  00007fa99c674580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 5079 19:41:10.342343  <4>[   59.123682] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5080 19:41:10.351109  <4>[   59.130393] CR2: ffffffff976f8930 CR3: 000000010431c000 CR4: 00000000003506e0

 5081 19:41:10.360807  <3>[   59.138657] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5082 19:41:10.368833  <3>[   59.148857] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1902, name: cat

 5083 19:41:10.374273  <4>[   59.157605] INFO: lockdep is turned off.

 5084 19:41:10.377158  <4>[   59.162275] irq event stamp: 0

 5085 19:41:10.384610  <4>[   59.165973] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5086 19:41:10.394232  <4>[   59.173263] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5087 19:41:10.403218  <4>[   59.182673] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5088 19:41:10.411189  <4>[   59.192094] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5089 19:41:10.419724  <4>[   59.199381] CPU: 1 PID: 1902 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5090 19:41:10.426847  <4>[   59.208311] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5091 19:41:10.430103  <4>[   59.215209] Call Trace:

 5092 19:41:10.433914  <4>[   59.218241]  dump_stack+0x77/0x9b

 5093 19:41:10.438566  <4>[   59.222233]  ___might_sleep.cold+0xa6/0xb6

 5094 19:41:10.442608  <4>[   59.227101]  exit_signals+0x1c/0x300

 5095 19:41:10.446332  <4>[   59.231386]  do_exit+0xc2/0xab0

 5096 19:41:10.450750  <4>[   59.235190]  ? ksys_write+0x68/0xf0

 5097 19:41:10.455590  <4>[   59.239383]  make_task_dead+0x2f/0x30

 5098 19:41:10.460806  <4>[   59.243766]  rewind_stack_and_make_dead+0x17/0x20

 5099 19:41:10.464644  <4>[   59.249309] RIP: 0033:0x7fa99c58a473

 5100 19:41:10.486319  <4>[   59.253587] 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

 5101 19:41:10.501308    56.073879] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00<4>[   59.274834] RSP: 002b:00007ffc21d10e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5102 19:41:10.509585  <4>[   59.289776] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa99c58a473

 5103 19:41:10.517429  <4>[   59.298030] RDX: 0000000000000009 RSI: 00007fa99c47e000 RDI: 0000000000000001

 5104 19:41:10.525779  <4>[   59.306277] RBP: 00007fa99c47e000 R08: 00007fa99c47d010 R09: 0000000000000000

 5105 19:41:10.534405  <4>[   59.314536] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5106 19:41:10.542775  <4>[   59.322784] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5107 19:41:10.543989  0000000000000a

 5108 19:41:10.551824  # [   56.082142] R13: ffffbd97023bff10 R14: ffffbd97023bff10 R15: ffff9d5043e2b000

 5109 19:41:10.562065  # [   56.090408] FS:  00007f04b8ffb580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 5110 19:41:10.567979  # [   56.099742] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5111 19:41:10.576077  # [   56.106454] CR2: ffffffffffffffd6 CR3: 0000000105a72000 CR4: 00000000003506e0

 5112 19:41:10.579093  # [   56.114719] Call Trace:

 5113 19:41:10.583546  # [   56.117759]  ? __die_body.cold+0x1a/0x1f

 5114 19:41:10.589059  # [   56.122440]  ? no_context+0x177/0x380

 5115 19:41:10.592246  # [   56.126828]  ? exc_page_fault+0x53/0x170

 5116 19:41:10.597862  # [   56.131507]  ? asm_exc_page_fault+0x1e/0x30

 5117 19:41:10.601836  # [   56.136487]  execute_location+0x48/0x56

 5118 19:41:10.606738  # [   56.141068]  direct_entry.cold+0x2c/0x38

 5119 19:41:10.610635  # [   56.145748]  full_proxy_write+0x56/0x80

 5120 19:41:10.614935  # [   56.150331]  vfs_write+0xea/0x3b0

 5121 19:41:10.618295  # [   56.154327]  ksys_write+0x68/0xf0

 5122 19:41:10.622721  # [   56.158326]  do_syscall_64+0x33/0x40

 5123 19:41:10.628556  # [   56.162612]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5124 19:41:10.632703  # [   56.168551] RIP: 0033:0x7f04b8f11473

 5125 19:41:10.653662  # [   56.172839] 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 19:41:10.662395  # [   56.194112] RSP: 002b:00007ffc73884b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5127 19:41:10.670342  # [   56.202860] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f04b8f11473

 5128 19:41:10.679069  # [   56.211118] RDX: 000000000000000a RSI: 00007f04b8e05000 RDI: 0000000000000001

 5129 19:41:10.686551  # [   56.219378] RBP: 00007f04b8e05000 R08: 00007f04b8e04010 R09: 0000000000000000

 5130 19:41:10.695061  # [   56.227639] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5131 19:41:10.703756  # [   56.235900] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5132 19:41:10.744011  # [   56.244172] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5133 19:41:10.746443  # [   56.290401] CR2: 0000000000000000

 5134 19:41:10.752496  # [   56.294396] ---[ end trace f8800554775ed3dd ]---

 5135 19:41:10.756595  # [   56.299848] RIP: 0010:lkdtm_BUG+0x5/0x10

 5136 19:41:10.777991  # [   56.304508] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 5137 19:41:10.783726  # [   56.325771] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 5138 19:41:10.792528  # [   56.331899] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 5139 19:41:10.800521  # [   56.340156] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 5140 19:41:10.808703  # [   56.348416] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 5141 19:41:10.816902  # [   56.356682] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5142 19:41:10.824434  # [   56.364945] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 5143 19:41:10.834025  # [   56.373211] FS:  00007f04b8ffb580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 5144 19:41:10.841552  # [   56.382542] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5145 19:41:10.848420  # [   56.389255] CR2: ffffffffffffffd6 CR3: 0000000105a72000 CR4: 00000000003506e0

 5146 19:41:10.858220  # [   56.397522] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5147 19:41:10.867192  # [   56.407730] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1794, name: cat

 5148 19:41:10.871827  # [   56.416477] INFO: lockdep is turned off.

 5149 19:41:10.875393  # [   56.421149] irq event stamp: 0

 5150 19:41:10.884026  # [   56.424851] hardi<6>[   59.661586] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 5151 19:41:10.893088  <6>[   59.672914] lkdtm: attempting bad ro_after_init write at ffffffff97c0b350

 5152 19:41:10.900154  <1>[   59.680835] BUG: unable to handle page fault for address: ffffffff97c0b350

 5153 19:41:10.906264  <1>[   59.688801] #PF: supervisor write access in kernel mode

 5154 19:41:10.913300  <1>[   59.694922] #PF: error_code(0x0003) - permissions violation

 5155 19:41:10.918436  rqs last  enabled at (0): [<0000000000000000>] 0x0

 5156 19:41:10.928158  # [   56.432<6>[   59.701426] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 104ed3163 PTE 800000002220b061

 5157 19:41:10.932797  <4>[   59.716667] Oops: 0003 [#15] SMP PTI

 5158 19:41:10.947378  151] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_pr<4>[   59.720944] CPU: 1 PID: 1938 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5159 19:41:10.954709  <4>[   59.736092] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5160 19:41:10.956303  <oc4ess+0x65c/0x20e0

 5161 19:41:10.966806  # [   56.441583] softirqs last  enabled at >[   59.743006] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5162 19:41:10.988695  <4>[   59.755453] Code: 3b b8 97 e9 fe d9 fb ff 48 c7 c7 98 3b b8 97 e8 f2 d9 fb ff 48 8b 05 96 bc fa 00 ba 34 12 cd ab 48 c7 c7 40 3b b8 97 48 31 d0 <48> 89 05 80 bc fa 00 e9 d0 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 5163 19:41:10.994345  <4>[   59.776726] RSP: 0018:ffffbd97025bfe60 EFLAGS: 00010202

 5164 19:41:11.002389  <4>[   59.782857] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 5165 19:41:11.010562  <4>[   59.791109] RDX: 00000000abcd1234 RSI: ffff9d50bbc9bf50 RDI: ffffffff97b83b40

 5166 19:41:11.019226  <4>[   59.799359] RBP: ffffffff97b82d36 R08: 0000000000000000 R09: 0000000000000000

 5167 19:41:11.027635  <4>[   59.807611] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 5168 19:41:11.035855  <4>[   59.815851] R13: ffffbd97025bff10 R14: ffffbd97025bff10 R15: ffff9d50444b4000

 5169 19:41:11.045120  <4>[   59.824099] FS:  00007f7a30aa7580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 5170 19:41:11.051375  <4>[   59.833410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5171 19:41:11.059763  <4>[   59.840111] CR2: ffffffff97c0b350 CR3: 00000001053be000 CR4: 00000000003506e0

 5172 19:41:11.063058  <4>[   59.848362] Call Trace:

 5173 19:41:11.067948  <4>[   59.851396]  ? __die_body.cold+0x1a/0x1f

 5174 19:41:11.072231  <4>[   59.856069]  ? no_context+0x177/0x380

 5175 19:41:11.076887  <4>[   59.860451]  ? exc_page_fault+0xd7/0x170

 5176 19:41:11.081818  <4>[   59.865119]  ? asm_exc_page_fault+0x1e/0x30

 5177 19:41:11.087138  <4>[   59.870088]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5178 19:41:11.091704  <4>[   59.875726]  direct_entry.cold+0x2c/0x38

 5179 19:41:11.096094  <4>[   59.880402]  full_proxy_write+0x56/0x80

 5180 19:41:11.100978  <4>[   59.884985]  vfs_write+0xea/0x3b0

 5181 19:41:11.104530  <4>[   59.888976]  ksys_write+0x68/0xf0

 5182 19:41:11.108460  <4>[   59.892966]  do_syscall_64+0x33/0x40

 5183 19:41:11.114465  <4>[   59.897246]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5184 19:41:11.118862  <4>[   59.903173] RIP: 0033:0x7f7a309bd473

 5185 19:41:11.140692  <4>[   59.907454] 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

 5186 19:41:11.149132  <4>[   59.928704] RSP: 002b:00007ffeef7c47b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5187 19:41:11.156896  <4>[   59.937443] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f7a309bd473

 5188 19:41:11.166400  <4>[   59.945694] RDX: 0000000000000014 RSI: 00007f7a308b1000 RDI: 0000000000000001

 5189 19:41:11.173327  <4>[   59.953949] RBP: 00007f7a308b1000 R08: 00007f7a308b0010 R09: 0000000000000000

 5190 19:41:11.182033  <4>[   59.962194] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5191 19:41:11.190038  <4>[   59.970459] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5192 19:41:11.195902  0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5193 19:41:11.236083  # [   56.451<4>[   59.978734] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5194 19:41:11.240398  <4>[   60.025010] CR2: ffffffff97c0b350

 5195 19:41:11.245811  <4>[   60.028993] ---[ end trace f8800554775ed3e1 ]---

 5196 19:41:11.250644  <4>[   60.034439] RIP: 0010:lkdtm_BUG+0x5/0x10

 5197 19:41:11.273273  <4>[   60.039110] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 5198 19:41:11.278120  <4>[   60.060362] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 5199 19:41:11.286367  <4>[   60.066467] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 5200 19:41:11.294708  <4>[   60.074709] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 5201 19:41:11.302588  <4>[   60.082950] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 5202 19:41:11.310982  <4>[   60.091196] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5203 19:41:11.318893  <4>[   60.099441] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 5204 19:41:11.328255  <4>[   60.107688] FS:  00007f7a30aa7580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 5205 19:41:11.336093  <4>[   60.117000] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5206 19:41:11.343188  <4>[   60.123700] CR2: ffffffff97c0b350 CR3: 00000001053be000 CR4: 00000000003506e0

 5207 19:41:11.349467  014] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5208 19:41:11.358416  # [   56.458311] CPU: 1 PID: 1794 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5209 19:41:11.365066  # [   56.467256] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5210 19:41:11.368710  # [   56.474160] Call Trace:

 5211 19:41:11.371553  # [   56.477191]  dump_stack+0x77/0x9b

 5212 19:41:11.376987  # [   56.481191]  ___might_sleep.cold+0xa6/0xb6

 5213 19:41:11.380798  # [   56.486064]  exit_signals+0x1c/0x300

 5214 19:41:11.385299  # [   56.490353]  do_exit+0xc2/0xab0

 5215 19:41:11.389106  # [   56.494158]  ? ksys_write+0x68/0xf0

 5216 19:41:11.392763  # [   56.498351]  make_task_dead+0x2f/0x30

 5217 19:41:11.398879  # [   56.502738]  rewind_stack_and_make_dead+0x17/0x20

 5218 19:41:11.402575  # [   56.508285] RIP: 0033:0x7f04b8f11473

 5219 19:41:11.423655  # [   56.512569] 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

 5220 19:41:11.432356  # [   56.533842] RSP: 002b:00007ffc73884b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5221 19:41:11.440134  # [   56.542595] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f04b8f11473

 5222 19:41:11.448945  # [   56.550858] RDX: 000000000000000a RSI: 00007f04b8e05000 RDI: 0000000000000001

 5223 19:41:11.456717  # [   56.559122] RBP: 00007f04b8e05000 R08: 00007f04b8e04010 R09: 0000000000000000

 5224 19:41:11.464761  # [   56.567384] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5225 19:41:11.472932  # [   56.575648] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5226 19:41:11.477121  # EXEC_NULL: saw 'call trace:': ok

 5227 19:41:11.480014  ok 36 selftests: lkdtm: EXEC_NULL.sh

 5228 19:41:11.483856  # selftests: lkdtm: ACCESS_USERSPACE.sh

 5229 19:41:11.485025  # Killed

 5230 19:41:11.491700  # [   56.901874] lkdtm: Performing direct entry ACCESS_USERSPACE

 5231 19:41:11.497472  # [   56.913697] lkdtm: attempting bad read at 00007f1d28aa2000

 5232 19:41:11.505114  # [   56.920172] BUG: unable to handle page fault for address: 00007f1d28aa2000

 5233 19:41:11.511410  # [   56.928148] #PF: supervisor read access in kernel mode

 5234 19:41:11.518149  # [   56.934171] #PF: error_code(0x0001) - permissions violation

 5235 19:41:11.528068  # [   56.940688] PGD 800000010381e067 P4D 800000010381e067 PUD 102ac8067 PMD 10588c067 PTE 10ab93067

 5236 19:41:11.532047  # [   56.956919] Oops: 0001 [#12] SMP PTI

 5237 19:41:11.540363  # [   56.961206] CPU: 2 PID: 1830 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5238 19:41:11.548398  # [   56.976337] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5239 19:41:11.554295  # [   56.983252] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 5240 19:41:11.574869  # [   56.995982] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 30 3c b8 97 e8 24 d8 fb ff 48 c7 c7 58 3c b8 97 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0b d8 fb ff 48 89 ee 48 c7 c7 80 3c b8

 5241 19:41:11.580977  # [   57.017250] RSP: 0018:ffffbd9702447e48 EFLAGS: 00010246

 5242 19:41:11.589345  # [   57.023384] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000

 5243 19:41:11.597457  # [   57.031649] RDX: 0000000000000000 RSI: ffff9d50bbd1bf50 RDI: ffffffff97b83c58

 5244 19:41:11.605338  # [   57.039915] RBP: 00007f1d28aa2000 R08: 0000000000000000 R09: 0000000000000000

 5245 19:41:11.613539  # [   57.048180] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011

 5246 19:41:11.622034  # [   57.056445] R13: ffffbd9702447f10 R14: ffffbd9702447f10 R15: ffff9d50453e9000

 5247 19:41:11.631316  # [   57.064713] FS:  00007f1d28a73580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 5248 19:41:11.637732  # [   57.074047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5249 19:41:11.645901  # [   57.080757] CR2: 00007f1d28aa2000 CR3: 0000000102956000 CR4: 00000000003506e0

 5250 19:41:11.648446  # [   57.089022] Call Trace:

 5251 19:41:11.652866  # [   57.092052]  ? __die_body.cold+0x1a/0x1f

 5252 19:41:11.659370  # [  <6>[   60.441625] lkdtm: Performing direct entry WRITE_KERN

 5253 19:41:11.666952  <6>[   60.447940] lkdtm: attempting bad 7222026 byte write at ffffffff96c5f5da

 5254 19:41:11.675401  <1>[   60.455741] BUG: unable to handle page fault for address: ffffffff96c5f5da

 5255 19:41:11.681091  <1>[   60.463694] #PF: supervisor write access in kernel mode

 5256 19:41:11.688675  <1>[   60.469808] #PF: error_code(0x0003) - permissions violation

 5257 19:41:11.691673   57.096731]  ? no_context+0x177/0x380

 5258 19:41:11.701214  # [   57.101120]  ? exc_p<6>[   60.476312] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 212001e1 

 5259 19:41:11.705113  <4>[   60.489510] Oops: 0003 [#16] SMP PTI

 5260 19:41:11.707572  age_fault+0x53/0x170

 5261 19:41:11.720724  # [   57.105796]  ? asm_exc_page_fault+0x1<4>[   60.493783] CPU: 2 PID: 1974 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5262 19:41:11.726881  <4>[   60.508909] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5263 19:41:11.732822  <4>[   60.515806] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 5264 19:41:11.753930  <4>[   60.521255] Code: 53 48 c7 c3 da f5 c5 96 49 89 dc 48 89 da 49 81 ec d0 c2 57 96 4c 89 e6 e8 a5 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 d0 c2 57 96 <f3> a4 48 c7 c7 40 3b b8 97 e8 8a d9 fb ff 5b 41 5c e9 b7 fe ff ff

 5265 19:41:11.760247  <4>[   60.542497] RSP: 0018:ffffbd970264fe50 EFLAGS: 00010246

 5266 19:41:11.768770  <4>[   60.548609] RAX: 000000000000003c RBX: ffffffff96c5f5da RCX: 00000000006e330a

 5267 19:41:11.776819  <4>[   60.556865] RDX: 0000000000000000 RSI: ffffffff9657c2d0 RDI: ffffffff96c5f5da

 5268 19:41:11.784700  <4>[   60.565110] RBP: ffffffff97b82d4a R08: 0000000000000000 R09: 0000000000000000

 5269 19:41:11.793050  <4>[   60.573353] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e330a

 5270 19:41:11.801180  <4>[   60.581596] R13: ffffbd970264ff10 R14: ffffbd970264ff10 R15: ffff9d5044336000

 5271 19:41:11.811079  <4>[   60.589852] FS:  00007f49ebdeb580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 5272 19:41:11.817236  <4>[   60.599169] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5273 19:41:11.826436  <4>[   60.605871] CR2: ffffffff96c5f5da CR3: 00000001049a6000 CR4: 00000000003506e0

 5274 19:41:11.828496  <4>[   60.614117] Call Trace:

 5275 19:41:11.834079  <4>[   60.617145]  ? __die_body.cold+0x1a/0x1f

 5276 19:41:11.837592  <4>[   60.621810]  ? no_context+0x177/0x380

 5277 19:41:11.844292  <4>[   60.626187]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5278 19:41:11.848862  <4>[   60.631914]  ? exc_page_fault+0xd7/0x170

 5279 19:41:11.853472  <4>[   60.636578]  ? asm_exc_page_fault+0x1e/0x30

 5280 19:41:11.859152  <4>[   60.641534]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5281 19:41:11.864011  <4>[   60.647267]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 5282 19:41:11.869711  <4>[   60.652412]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5283 19:41:11.876038  <4>[   60.658142]  ? lkdtm_WRITE_KERN+0x38/0x4e

 5284 19:41:11.879331  <4>[   60.662907]  direct_entry.cold+0x2c/0x38

 5285 19:41:11.884155  <4>[   60.667576]  full_proxy_write+0x56/0x80

 5286 19:41:11.888017  <4>[   60.672146]  vfs_write+0xea/0x3b0

 5287 19:41:11.892310  <4>[   60.676134]  ksys_write+0x68/0xf0

 5288 19:41:11.896377  <4>[   60.680113]  do_syscall_64+0x33/0x40

 5289 19:41:11.902058  <4>[   60.684389]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5290 19:41:11.906515  <4>[   60.690304] RIP: 0033:0x7f49ebd01473

 5291 19:41:11.928008  <4>[   60.694575] 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

 5292 19:41:11.936614  <4>[   60.715808] RSP: 002b:00007fff8571a098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5293 19:41:11.945516  <4>[   60.724545] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f49ebd01473

 5294 19:41:11.952753  <4>[   60.732791] RDX: 000000000000000b RSI: 00007f49ebbf5000 RDI: 0000000000000001

 5295 19:41:11.961116  <4>[   60.741035] RBP: 00007f49ebbf5000 R08: 00007f49ebbf4010 R09: 0000000000000000

 5296 19:41:11.969076  <4>[   60.749283] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5297 19:41:11.977330  <4>[   60.757526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5298 19:41:11.978114  e/0x30

 5299 19:41:12.024231  # [   57.110767]  ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa<4>[   60.765778] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5300 19:41:12.028030  <4>[   60.811956] CR2: ffffffff96c5f5da

 5301 19:41:12.033344  <4>[   60.815941] ---[ end trace f8800554775ed3e2 ]---

 5302 19:41:12.037692  <4>[   60.821370] RIP: 0010:lkdtm_BUG+0x5/0x10

 5303 19:41:12.058865  <4>[   60.826033] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 5304 19:41:12.065263  <4>[   60.847245] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 5305 19:41:12.073732  <4>[   60.853350] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 5306 19:41:12.081454  <4>[   60.861594] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 5307 19:41:12.090164  <4>[   60.869837] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 5308 19:41:12.099534  <4>[   60.878085] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5309 19:41:12.106831  <4>[   60.886333] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 5310 19:41:12.115694  <4>[   60.894576] FS:  00007f49ebdeb580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 5311 19:41:12.122408  <4>[   60.903887] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5312 19:41:12.130510  <4>[   60.910577] CR2: ffffffff96c5f5da CR3: 00000001049a6000 CR4: 00000000003506e0

 5313 19:41:12.140769  <3>[   60.918829] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5314 19:41:12.150599  <3>[   60.929007] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1974, name: cat

 5315 19:41:12.154528  <4>[   60.937735] INFO: lockdep is turned off.

 5316 19:41:12.157821  <4>[   60.942393] irq event stamp: 0

 5317 19:41:12.165111  <4>[   60.946087] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5318 19:41:12.176375  <4>[   60.953370] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5319 19:41:12.183888  <4>[   60.962781] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5320 19:41:12.191246  <4>[   60.972190] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5321 19:41:12.199985  <4>[   60.979467] CPU: 2 PID: 1974 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5322 19:41:12.206944  <4>[   60.988391] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5323 19:41:12.210212  <4>[   60.995276] Call Trace:

 5324 19:41:12.214181  <4>[   60.998299]  dump_stack+0x77/0x9b

 5325 19:41:12.218503  <4>[   61.002287]  ___might_sleep.cold+0xa6/0xb6

 5326 19:41:12.223109  <4>[   61.007151]  exit_signals+0x1c/0x300

 5327 19:41:12.227205  <4>[   61.011429]  do_exit+0xc2/0xab0

 5328 19:41:12.231384  <4>[   61.015224]  ? ksys_write+0x68/0xf0

 5329 19:41:12.236752  <4>[   61.019404]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5330 19:41:12.241524  <4>[   61.025132]  make_task_dead+0x2f/0x30

 5331 19:41:12.246930  <4>[   61.029505]  rewind_stack_and_make_dead+0x17/0x20

 5332 19:41:12.251063  <4>[   61.035038] RIP: 0033:0x7f49ebd01473

 5333 19:41:12.272256  <4>[   61.039319] 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 19:41:12.281510  <4>[   61.060563] RSP: 002b:00007fff8571a098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5335 19:41:12.289350  <4>[   61.069300] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f49ebd01473

 5336 19:41:12.298276  <4>[   61.077552] RDX: 000000000000000b RSI: 00007f49ebbf5000 RDI: 0000000000000001

 5337 19:41:12.306134  <4>[   61.085811] RBP: 00007f49ebbf5000 R08: 00007f49ebbf4010 R09: 0000000000000000

 5338 19:41:12.313953  <4>[   61.094060] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5339 19:41:12.322692  <4>[   61.102299] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5340 19:41:12.323282  3

 5341 19:41:12.328480  # [   57.116610]  ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3

 5342 19:41:12.332709  # [   57.122450]  direct_entry.cold+0x2c/0x38

 5343 19:41:12.337104  # [   57.127129]  full_proxy_write+0x56/0x80

 5344 19:41:12.341021  # [   57.131711]  vfs_write+0xea/0x3b0

 5345 19:41:12.344825  # [   57.135708]  ksys_write+0x68/0xf0

 5346 19:41:12.349763  # [   57.139708]  do_syscall_64+0x33/0x40

 5347 19:41:12.355792  # [   57.143997]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5348 19:41:12.359584  # [   57.149937] RIP: 0033:0x7f1d28989473

 5349 19:41:12.379979  # [   57.154225] 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

 5350 19:41:12.389441  # [   57.175494] RSP: 002b:00007fff5f47e8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5351 19:41:12.397242  # [   57.184243] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f1d28989473

 5352 19:41:12.405075  # [   57.192503] RDX: 0000000000000011 RSI: 00007f1d2887d000 RDI: 0000000000000001

 5353 19:41:12.413425  # [   57.200767] RBP: 00007f1d2887d000 R08: 00007f1d2887c010 R09: 0000000000000000

 5354 19:41:12.422443  # [   57.209032] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5355 19:41:12.429452  # [   57.217296] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5356 19:41:12.469656  # [   57.225572] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5357 19:41:12.474240  # [   57.271861] CR2: 00007f1d28aa2000

 5358 19:41:12.478770  # [   57.275856] ---[ end trace f8800554775ed3de ]---

 5359 19:41:12.483294  # [   57.281304] RIP: 0010:lkdtm_BUG+0x5/0x10

 5360 19:41:12.505138  # [   57.285976] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 5361 19:41:12.511263  # [   57.307244] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 5362 19:41:12.518290  # [   57.313374] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 5363 19:41:12.526528  # [   57.321641] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 5364 19:41:12.534673  # [   57.329907] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 5365 19:41:12.542865  # [   57.338174] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5366 19:41:12.550948  # [   57.346440] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 5367 19:41:12.560137  # [   57.354707] FS:  00007f1d28a73580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 5368 19:41:12.567197  # [   57.364043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5369 19:41:12.575351  # [   57.370756] CR2: 00007f1d28aa2000 CR3: 0000000102956000 CR4: 00000000003506e0

 5370 19:41:12.579541  # ACCESS_USERSPACE: saw 'call trace:': ok

 5371 19:41:12.583717  ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh

 5372 19:41:12.588182  # selftests: lkdtm: ACCESS_NULL.sh

 5373 19:41:12.588503  # Killed

 5374 19:41:12.594685  # [   57.673418] lkdtm: Performing direct entry ACCESS_NULL

 5375 19:41:12.600019  # [   57.683264] lkdtm: attempting bad read at 0000000000000000

 5376 19:41:12.608456  # [   57.689743] BUG: kernel NULL pointer dereference, address: 0000000000000000

 5377 19:41:12.614046  # [   57.697816] #PF: supervisor read access in kernel mode

 5378 19:41:12.619976  # [   57.703845] #PF: error_code(0x0000) - not-present page

 5379 19:41:12.623289  # [   57.709876] PGD 0 P4D 0 

 5380 19:41:12.627381  # [   57.719114] Oops: 0000 [#13] SMP PTI

 5381 19:41:12.635840  # [   57.723398] CPU: 2 PID: 1866 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5382 19:41:12.642610  # [   57.738528] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5383 19:41:12.648067  # [   57.745432] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 5384 19:41:12.669305  # [   57.750979] Code: c8 d7 fb ff be 00 10 00 00 48 89 ef e8 56 6d 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 30 3c b8 97 e8 a2 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 58 3c b8 97 48 01

 5385 19:41:12.675875  # [   57.772241] RSP: 0018:ffffbd97024bfe58 EFLAGS: 00010246

 5386 19:41:12.683352  # [   57.778367] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 5387 19:41:12.695085  # [   57.786622] RDX: 0000000000000000 RSI: ffff9<6>[   61.474960] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 5388 19:41:12.698847  d50bbd1bf50 RDI: ffff9d50bbd1bf50

 5389 19:41:12.708778  # [   57.794883] RBP: fffffff<6>[   61.483520] lkdtm: attempting good refcount_inc() without overflow

 5390 19:41:12.713915  f97b82d21 R08: 0000000000000000 R09: 0000000000000000

 5391 19:41:12.722399  # [   57.<6>[   61.496915] lkdtm: attempting bad refcount_inc() overflow

 5392 19:41:12.733092  803144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000<4>[   61.509771] ------------[ cut here ]------------

 5393 19:41:12.734036  00000000c

 5394 19:41:12.744885  # [   57.811399] R13: ffffbd97024bff10 R14: ffffbd970<4>[   61.521128] refcount_t: saturated; leaking memory.

 5395 19:41:12.747785  24bff10 R15: ffff9d50446ec000

 5396 19:41:12.761432  # [   57.819663] FS:  00007fc9655<4>[   61.533231] WARNING: CPU: 3 PID: 2010 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5397 19:41:12.767297  f8580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 5398 19:41:12.807433  # <4>[   61.549213] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5399 19:41:12.822215  [   57.828984] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033<4>[   61.595197] CPU: 3 PID: 2010 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5400 19:41:12.822980  

 5401 19:41:12.834810  # [   57.835693] CR2: 0000000000000000 CR3: 0000000106d4e000 C<4>[   61.610438] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5402 19:41:12.837393  R4: 00000000003506e0

 5403 19:41:12.840302  # [   57.843950] Call Trace:

 5404 19:41:12.848166  # [   57.846<4>[   61.623475] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5405 19:41:12.850858  982]  ? __die_body.cold+0x1a/0x1f

 5406 19:41:12.874723  # [   57.851658]  ? no_contex<4>[   61.635778] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 48 d9 ad 97 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 ad

 5407 19:41:12.877965  t+0x177/0x380

 5408 19:41:12.881044  # [   57.856039]  ? exc_page_fault+0x53/0x170

 5409 19:41:12.887853  # <4>[   61.663248] RSP: 0018:ffffbd97026e7e48 EFLAGS: 00010286

 5410 19:41:12.892872  [   57.860712]  ? asm_exc_page_fault+0x1e/0x30

 5411 19:41:12.902143  # [   57.865675]<4>[   61.675570] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 5412 19:41:12.905386    ? lkdtm_ACCESS_NULL+0x14/0x53

 5413 19:41:12.916652  # [   57.870543]  ? lkdtm_ACCES<4>[   61.690079] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 5414 19:41:12.918425  S_NULL+0x14/0x53

 5415 19:41:12.922366  # [   57.875404]  direct_entry.cold+0x2c/0x38

 5416 19:41:12.932834  <4>[   61.704511] RBP: ffffffff97b82d55 R08: 0000000000000000 R09: 0000000000000000

 5417 19:41:12.933230  

 5418 19:41:12.936431  # [   57.880076]  full_proxy_write+0x56/0x80

 5419 19:41:12.946980  # [   57.884650] <4>[   61.719006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5420 19:41:12.947737   vfs_write+0xea/0x3b0

 5421 19:41:12.951923  # [   57.888642]  ksys_write+0x68/0xf0

 5422 19:41:12.959719  #<4>[   61.733426] R13: ffffbd97026e7f10 R14: ffffbd97026e7f10 R15: ffff9d5042a42000

 5423 19:41:12.963814   [   57.892634]  do_syscall_64+0x33/0x40

 5424 19:41:12.975034  # [   57.896911]  entr<4>[   61.747879] FS:  00007f6c04084580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 5425 19:41:12.979375  y_SYSCALL_64_after_hwframe+0x62/0xc7

 5426 19:41:12.988067  # [   57.902835] RIP: 0033<4>[   61.763396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5427 19:41:12.989785  :0x7fc96550e473

 5428 19:41:13.002586  # [   57.907113] Code: 8b 15 21 2a 0e 00 f7 d8 <4>[   61.776333] CR2: 00007f6c03e8e000 CR3: 00000001043a6000 CR4: 00000000003506e0

 5429 19:41:13.011703  64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 0<4>[   61.790754] Call Trace:

 5430 19:41:13.022063  0 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 <4>[   61.800023]  ? __warn+0x80/0x110

 5431 19:41:13.026197  c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5432 19:41:13.033639  # [   57.928372] RSP:<4>[   61.810068]  ? refcount_warn_saturate+0x51/0x110

 5433 19:41:13.043436   002b:00007fff4b640358 EFLAGS: 00000246 ORIG_RAX: 00000000000000<4>[   61.821853]  ? report_bug+0x9e/0xc0

 5434 19:41:13.044568  01

 5435 19:41:13.054220  # [   57.937114] RAX: ffffffffffffffda RBX: 000000000000000c<4>[   61.832245]  ? handle_bug+0x41/0x90

 5436 19:41:13.056252   RCX: 00007fc96550e473

 5437 19:41:13.064962  # [   57.945371] RDX: 000000000000000c R<4>[   61.842545]  ? exc_invalid_op+0x14/0x70

 5438 19:41:13.069896  SI: 00007fc965402000 RDI: 0000000000000001

 5439 19:41:13.076415  # [   57.953630] RBP<4>[   61.853445]  ? asm_exc_invalid_op+0x12/0x20

 5440 19:41:13.082960  : 00007fc965402000 R08: 00007fc965401010 R09: 0000000000000000

 5441 19:41:13.087871  <4>[   61.864526]  ? refcount_warn_saturate+0x51/0x110

 5442 19:41:13.099546  # [   57.961885] R10: fffffffffffffbc5 R11: 0000000000000246 R12<4>[   61.876186]  ? refcount_warn_saturate+0x51/0x110

 5443 19:41:13.101758  : 0000000000000001

 5444 19:41:13.111496  # [   57.970133] R13: 0000000000000001 R14: <4>[   61.887801]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 5445 19:41:13.115547  0000000000020000 R15: 0000000000020000

 5446 19:41:13.122038  # [   57.978390] Modules<4>[   61.899701]  direct_entry.cold+0x2c/0x38

 5447 19:41:13.132872   linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros<4>[   61.910546]  full_proxy_write+0x56/0x80

 5448 19:41:13.144194  _usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_v<4>[   61.921347]  vfs_write+0xea/0x3b0

 5449 19:41:13.154614  malloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x<4>[   61.931496]  ksys_write+0x68/0xf0

 5450 19:41:13.165027  86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 <4>[   61.941729]  do_syscall_64+0x33/0x40

 5451 19:41:13.175983  snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_com<4>[   61.952161]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5452 19:41:13.186442  press snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_tabl<4>[   61.964306] RIP: 0033:0x7f6c03f9a473

 5453 19:41:13.187241  e

 5454 19:41:13.190576  # [   58.024619] CR2: 0000000000000000

 5455 19:41:13.214320  # [   58.028616] ---[<4>[   61.974751] 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

 5456 19:41:13.217824   end trace f8800554775ed3df ]---

 5457 19:41:13.229232  # [   58.034067] RIP: 0010:lkd<4>[   62.002247] RSP: 002b:00007fff8add85f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5458 19:41:13.231241  tm_BUG+0x5/0x10

 5459 19:41:13.243151  # [   58.038730] Code: 89 ff e8 5e d4 79 ff 48 <4>[   62.017122] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6c03f9a473

 5460 19:41:13.257730  c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c<4>[   62.031617] RDX: 0000000000000016 RSI: 00007f6c03e8e000 RDI: 0000000000000001

 5461 19:41:13.272529  7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 <4>[   62.046038] RBP: 00007f6c03e8e000 R08: 00007f6c03e8d010 R09: 0000000000000000

 5462 19:41:13.276326  00 00 00 0f 1f 44 00 00 83 05 f0 7d 0b 03

 5463 19:41:13.286363  # [   58.059980] RSP:<4>[   62.060520] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5464 19:41:13.291308   0018:ffffbd97011c7e60 EFLAGS: 00010286

 5465 19:41:13.300886  # [   58.066097] RAX: f<4>[   62.074957] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5466 19:41:13.307615  fffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 5467 19:41:13.311152  # [<4>[   62.089456] irq event stamp: 0

 5468 19:41:13.324442     58.074351] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: f<4>[   62.099288] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5469 19:41:13.326223  fffffff976f84b0

 5470 19:41:13.340203  # [   58.082608] RBP: ffffffff97be8e88 R08: 000<4>[   62.112869] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5471 19:41:13.344149  0000000000001 R09: 0000000000000001

 5472 19:41:13.356153  # [   58.090872] R10: 00000<4>[   62.128496] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5473 19:41:13.361925  000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5474 19:41:13.369244  # [   5<4>[   62.144117] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5475 19:41:13.380831  8.099131] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9<4>[   62.157577] ---[ end trace f8800554775ed3e3 ]---

 5476 19:41:13.381982  d5046c74000

 5477 19:41:13.392369  # [   58.107393] FS:  00007fc9655f8580(0000) GS:fff<6>[   62.169210] lkdtm: Overflow detected: saturated

 5478 19:41:13.396534  f9d50bbd00000(0000) knlGS:0000000000000000

 5479 19:41:13.403759  # [   58.116721] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5480 19:41:13.411302  # [   58.123429] CR2: 0000000000000000 CR3: 0000000106d4e000 CR4: 00000000003506e0

 5481 19:41:13.421258  # [   58.131692] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5482 19:41:13.429870  # [   58.141896] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1866, name: cat

 5483 19:41:13.434076  # [   58.150630] INFO: lockdep is turned off.

 5484 19:41:13.437950  # [   58.155300] irq event stamp: 0

 5485 19:41:13.445283  # [   58.158991] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5486 19:41:13.454460  # [   58.166276] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5487 19:41:13.463951  # [   58.175697] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5488 19:41:13.473112  # [   58.185128] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5489 19:41:13.479951  # [   58.192424] CPU: 2 PID: 1866 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5490 19:41:13.487060  # [   58.201360] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5491 19:41:13.489516  # [   58.208265] Call Trace:

 5492 19:41:13.493728  # [   58.211294]  dump_stack+0x77/0x9b

 5493 19:41:13.498498  # [   58.215292]  ___might_sleep.cold+0xa6/0xb6

 5494 19:41:13.502815  # [   58.220164]  exit_signals+0x1c/0x300

 5495 19:41:13.506470  # [   58.224451]  do_exit+0xc2/0xab0

 5496 19:41:13.510227  # [   58.228254]  ? ksys_write+0x68/0xf0

 5497 19:41:13.514763  # [   58.232446]  make_task_dead+0x2f/0x30

 5498 19:41:13.520156  # [   58.236833]  rewind_stack_and_make_dead+0x17/0x20

 5499 19:41:13.524691  # [   58.242378] RIP: 0033:0x7fc96550e473

 5500 19:41:13.545150  # [   58.246664] 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

 5501 19:41:13.553929  # [   58.267926] RSP: 002b:00007fff4b640358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5502 19:41:13.562437  # [   58.276672] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc96550e473

 5503 19:41:13.570526  # [   58.284938] RDX: 000000000000000c RSI: 00007fc965402000 RDI: 0000000000000001

 5504 19:41:13.578234  # [   58.293199] RBP: 00007fc965402000 R08: 00007fc965401010 R09: 0000000000000000

 5505 19:41:13.586150  # [   58.301459] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5506 19:41:13.594590  # [   58.309721] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5507 19:41:13.597822  # ACCESS_NULL: saw 'call trace:': ok

 5508 19:41:13.602204  ok 38 selftests: lkdtm: ACCESS_NULL.sh

 5509 19:41:13.606082  # selftests: lkdtm: WRITE_RO.sh

 5510 19:41:13.606160  # Killed

 5511 19:41:13.612811  # [   58.693707] lkdtm: Performing direct entry WRITE_RO

 5512 19:41:13.618567  # [   58.702284] lkdtm: attempting bad rodata write at ffffffff976f8930

 5513 19:41:13.626627  # [   58.709525] BUG: unable to handle page fault for address: ffffffff976f8930

 5514 19:41:13.632866  # [   58.717486] #PF: supervisor write access in kernel mode

 5515 19:41:13.639565  # [   58.723604] #PF: error_code(0x0003) - permissions violation

 5516 19:41:13.647255  # [   58.730104] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 8000000021c001e1 

 5517 19:41:13.651170  # [   58.737878] Oops: 0003 [#14] SMP PTI

 5518 19:41:13.660397  # [   58.742155] CPU: 1 PID: 1902 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5519 19:41:13.667106  # [   58.751080] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5520 19:41:13.671247  # [   58.757986] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 5521 19:41:13.692599  # [   58.763227] Code: 00 48 c7 c7 10 3b b8 97 48 c7 c6 30 89 6f 97 e8 4c da fb ff 48 8b 05 d0 92 a9 00 ba 34 12 cd ab 48 c7 c7 40 3b b8 97 48 31 d0 <48> 89 05 ba 92 a9 00 e9 2a da fb ff 0f 1f 44 00 00 48 8b 05 c9 bc

 5522 19:41:13.698469  # [   58.784461] RSP: 0018:ffffbd9702537e60 EFLAGS: 00010202

 5523 19:41:13.707004  # [   58.790572] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 5524 19:41:13.715007  # [   58.798824] RDX: 00000000abcd1234 RSI: ffff9d50bbc9bf50 RDI: ffffffff97b83b40

 5525 19:41:13.722888  # [   58.807080] RBP: ffffffff97b82d2d R08: 0000000000000000 R09: 0000000000000000

 5526 19:41:13.730898  # [   58.815332] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 5527 19:41:13.739927  # [   58.823577] R13: ffffbd9702537f10 R14: ffffbd9702537f10 R15: ffff9d504325c000

 5528 19:41:13.752820  # [   58.831824] FS:  00007fa99c674580(0000) GS:ffff9d50bbc80000(<6>[   62.527808] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 5529 19:41:13.755233  0000) knlGS:0000000000000000

 5530 19:41:13.765775  # [   58.841138] CS:  0010 DS: 000<6>[   62.541026] lkdtm: attempting good refcount_add() without overflow

 5531 19:41:13.773633  <6>[   62.554468] lkdtm: attempting bad refcount_add() overflow

 5532 19:41:13.775845  0 ES: 0000 CR0: 0000000080050033

 5533 19:41:13.784026  # [   58.847838] CR2: ffffffff<4>[   62.560801] ------------[ cut here ]------------

 5534 19:41:13.789092  976f8930 CR3: 000000010431c000 CR4: 00000000003506e0

 5535 19:41:13.795796  # [   58.8<4>[   62.572446] refcount_t: saturated; leaking memory.

 5536 19:41:13.797460  56097] Call Trace:

 5537 19:41:13.811630  # [   58.859132]  ? __die_body.cold+0x1a/0x1<4>[   62.584342] WARNING: CPU: 2 PID: 2043 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5538 19:41:13.812210  f

 5539 19:41:13.816280  # [   58.863811]  ? no_context+0x177/0x380

 5540 19:41:13.858665  # [   58.868193] <4>[   62.600214] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5541 19:41:13.867467  <4>[   62.646402] CPU: 2 PID: 2043 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5542 19:41:13.874289  <4>[   62.655360] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5543 19:41:13.879751  <4>[   62.662276] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5544 19:41:13.901184  <4>[   62.668421] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 48 d9 ad 97 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 ad

 5545 19:41:13.908015  <4>[   62.689660] RSP: 0018:ffffbd970275fe48 EFLAGS: 00010286

 5546 19:41:13.916526  <4>[   62.695799] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 5547 19:41:13.924210  <4>[   62.704071] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50

 5548 19:41:13.932486  <4>[   62.712337] RBP: ffffffff97b82d6b R08: 0000000000000000 R09: 0000000000000000

 5549 19:41:13.940499  <4>[   62.720603] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5550 19:41:13.949209  <4>[   62.728873] R13: ffffbd970275ff10 R14: ffffbd970275ff10 R15: ffff9d5044496000

 5551 19:41:13.958661  <4>[   62.737146] FS:  00007fe65e9c8580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 5552 19:41:13.964595  <4>[   62.746495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5553 19:41:13.973646  <4>[   62.753223] CR2: 00007fe65e7d2000 CR3: 00000001066f4000 CR4: 00000000003506e0

 5554 19:41:13.976136  <4>[   62.761498] Call Trace:

 5555 19:41:13.979922  <4>[   62.764557]  ? __warn+0x80/0x110

 5556 19:41:13.985592  <4>[   62.768469]  ? refcount_warn_saturate+0x51/0x110

 5557 19:41:13.989675  <4>[   62.773944]  ? report_bug+0x9e/0xc0

 5558 19:41:13.993611  <4>[   62.778157]  ? handle_bug+0x41/0x90

 5559 19:41:13.998984  <4>[   62.782372]  ? exc_invalid_op+0x14/0x70

 5560 19:41:14.003182  <4>[   62.786972]  ? asm_exc_invalid_op+0x12/0x20

 5561 19:41:14.009387  <4>[   62.791965]  ? refcount_warn_saturate+0x51/0x110

 5562 19:41:14.014414  <4>[   62.797427]  ? refcount_warn_saturate+0x51/0x110

 5563 19:41:14.019864  <4>[   62.802892]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 5564 19:41:14.025070  <4>[   62.808560]  direct_entry.cold+0x2c/0x38

 5565 19:41:14.029364  <4>[   62.813261]  full_proxy_write+0x56/0x80

 5566 19:41:14.033656  <4>[   62.817860]  vfs_write+0xea/0x3b0

 5567 19:41:14.037389  <4>[   62.821877]  ksys_write+0x68/0xf0

 5568 19:41:14.042695  <4>[   62.825896]  do_syscall_64+0x33/0x40

 5569 19:41:14.049303  <4>[   62.830207]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5570 19:41:14.052102  <4>[   62.836164] RIP: 0033:0x7fe65e8de473

 5571 19:41:14.073000  <4>[   62.840473] 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

 5572 19:41:14.082360  <4>[   62.861738] RSP: 002b:00007ffe7030e0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5573 19:41:14.090133  <4>[   62.870495] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe65e8de473

 5574 19:41:14.093141   ? exc_page_fault+0xd7/0x170

 5575 19:41:14.104860  # [   58.872863]  ? asm_exc_page_f<4>[   62.878764] RDX: 0000000000000016 RSI: 00007fe65e7d2000 RDI: 0000000000000001

 5576 19:41:14.112938  <4>[   62.893229] RBP: 00007fe65e7d2000 R08: 00007fe65e7d1010 R09: 0000000000000000

 5577 19:41:14.121464  <4>[   62.901509] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5578 19:41:14.129634  <4>[   62.909797] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5579 19:41:14.133577  <4>[   62.918090] irq event stamp: 0

 5580 19:41:14.141157  <4>[   62.921809] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5581 19:41:14.150269  <4>[   62.929122] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5582 19:41:14.160091  <4>[   62.938610] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5583 19:41:14.167139  <4>[   62.948086] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5584 19:41:14.172327  <4>[   62.955393] ---[ end trace f8800554775ed3e4 ]---

 5585 19:41:14.177769  <6>[   62.960850] lkdtm: Overflow detected: saturated

 5586 19:41:14.180079  ault+0x1e/0x30

 5587 19:41:14.184129  # [   58.877826]  ? lkdtm_WRITE_RO+0x2e/0x3a

 5588 19:41:14.188061  # [   58.882392]  direct_entry.cold+0x2c/0x38

 5589 19:41:14.193041  # [   58.887071]  full_proxy_write+0x56/0x80

 5590 19:41:14.197048  # [   58.891654]  vfs_write+0xea/0x3b0

 5591 19:41:14.200869  # [   58.895651]  ksys_write+0x68/0xf0

 5592 19:41:14.204952  # [   58.899650]  do_syscall_64+0x33/0x40

 5593 19:41:14.210528  # [   58.903935]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5594 19:41:14.214825  # [   58.909873] RIP: 0033:0x7fa99c58a473

 5595 19:41:14.236064  # [   58.914152] 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

 5596 19:41:14.244072  # [   58.935371] RSP: 002b:00007ffc21d10e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5597 19:41:14.252427  # [   58.944109] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa99c58a473

 5598 19:41:14.260917  # [   58.952368] RDX: 0000000000000009 RSI: 00007fa99c47e000 RDI: 0000000000000001

 5599 19:41:14.268566  # [   58.960623] RBP: 00007fa99c47e000 R08: 00007fa99c47d010 R09: 0000000000000000

 5600 19:41:14.277294  # [   58.968873] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5601 19:41:14.285412  # [   58.977122] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5602 19:41:14.325516  # [   58.985383] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5603 19:41:14.329009  # [   59.031608] CR2: ffffffff976f8930

 5604 19:41:14.334567  # [   59.035595] ---[ end trace f8800554775ed3e0 ]---

 5605 19:41:14.339224  # [   59.041045] RIP: 0010:lkdtm_BUG+0x5/0x10

 5606 19:41:14.361130  # [   59.045711] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 5607 19:41:14.366391  # [   59.066956] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 5608 19:41:14.375074  # [   59.073085] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 5609 19:41:14.383112  # [   59.081340] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 5610 19:41:14.391226  # [   59.089596] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 5611 19:41:14.399001  # [   59.097856] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5612 19:41:14.407164  # [   59.106107] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 5613 19:41:14.416877  # [   59.114358] FS:  00007fa99c674580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 5614 19:41:14.423116  # [   59.123682] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5615 19:41:14.431619  # [   59.130393] CR2: ffffffff976f8930 CR3: 000000010431c000 CR4: 00000000003506e0

 5616 19:41:14.441106  # [   59.138657] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5617 19:41:14.449779  # [   59.148857] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1902, name: cat

 5618 19:41:14.453874  # [   59.157605] INFO: lockdep is turned off.

 5619 19:41:14.458041  # [   59.162275] irq event stamp: 0

 5620 19:41:14.464657  # [   59.165973] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5621 19:41:14.474596  # [   59.173263] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5622 19:41:14.483700  # [   59.182673] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5623 19:41:14.490775  # [   59.192094] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5624 19:41:14.499205  # [   59.199381] CPU: 1 PID: 1902 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5625 19:41:14.508418  # [   59.208<6>[   63.284361] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 5626 19:41:14.514585  311] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5627 19:41:14.522194  # [   <6>[   63.296999] lkdtm: attempting bad refcount_inc_not_zero() overflow

 5628 19:41:14.524320  59.215209] Call Trace:

 5629 19:41:14.529574  # [   59.218241]  dump_stack+0x77/0x9b

 5630 19:41:14.533267  <4>[   63.310361] ------------[ cut here ]------------

 5631 19:41:14.539581  # [   59.222233]  ___might_sleep.cold+0xa6/0xb6

 5632 19:41:14.545938  # [   59.227101<4>[   63.322069] refcount_t: saturated; leaking memory.

 5633 19:41:14.548271  ]  exit_signals+0x1c/0x300

 5634 19:41:14.561814  # [   59.231386]  do_exit+0xc2/0xab0<4>[   63.333990] WARNING: CPU: 3 PID: 2076 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5635 19:41:14.561900  

 5636 19:41:14.565503  # [   59.235190]  ? ksys_write+0x68/0xf0

 5637 19:41:14.606998  # [   59.239383]  ma<4>[   63.350068] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5638 19:41:14.609679  ke_task_dead+0x2f/0x30

 5639 19:41:14.622441  # [   59.243766]  rewind_stack_and_make_<4>[   63.396123] CPU: 3 PID: 2076 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5640 19:41:14.624592  dead+0x17/0x20

 5641 19:41:14.628649  # [   59.249309] RIP: 0033:0x7fa99c58a473

 5642 19:41:14.635519  # [  <4>[   63.411396] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5643 19:41:14.648566   59.253587] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff f<4>[   63.424343] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5644 19:41:14.675625  f ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01<4>[   63.436680] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 ad 97 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 ad

 5645 19:41:14.687917   00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 e<4>[   63.464296] RSP: 0018:ffffbd97027d7e38 EFLAGS: 00010282

 5646 19:41:14.690485  c 28 48 89 54 24 18

 5647 19:41:14.702545  # [   59.274834] RSP: 002b:00007ffc21d10e28<4>[   63.476523] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5648 19:41:14.707709   EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5649 19:41:14.717799  # [   59.289776] R<4>[   63.491094] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 5650 19:41:14.731444  AX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa99c58a473<4>[   63.505497] RBP: ffffffff97b829a8 R08: 0000000000000000 R09: 0000000000000000

 5651 19:41:14.731531  

 5652 19:41:14.745483  # [   59.298030] RDX: 0000000000000009 RSI: 00007fa99c47e000 R<4>[   63.520027] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5653 19:41:14.747723  DI: 0000000000000001

 5654 19:41:14.760678  # [   59.306277] RBP: 00007fa99c47e000 R08<4>[   63.534483] R13: ffffbd97027d7f10 R14: ffffbd97027d7f10 R15: ffff9d5045b56000

 5655 19:41:14.764328  : 00007fa99c47d010 R09: 0000000000000000

 5656 19:41:14.776313  # [   59.314536] R10: <4>[   63.549024] FS:  00007fb2b73bc580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 5657 19:41:14.781953  fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5658 19:41:14.788749  # <4>[   63.564535] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5659 19:41:14.803319  [   59.322784] R13: 0000000000000001 R14: 0000000000020000 R15: <4>[   63.577496] CR2: 00007fb2b71c6000 CR3: 000000010430e000 CR4: 00000000003506e0

 5660 19:41:14.805257  0000000000020000

 5661 19:41:14.808892  # WRITE_RO: saw 'call trace:': ok

 5662 19:41:14.813139  ok 39 selft<4>[   63.591969] Call Trace:

 5663 19:41:14.814851  ests: lkdtm: WRITE_RO.sh

 5664 19:41:14.822468  # selftests: lkdtm: WRITE_RO_AFTER_INI<4>[   63.601257]  ? __warn+0x80/0x110

 5665 19:41:14.823065  T.sh

 5666 19:41:14.824959  # Killed

 5667 19:41:14.834415  # [   59.661586] lkdtm: Performing direct entry <4>[   63.611294]  ? refcount_warn_saturate+0x97/0x110

 5668 19:41:14.836425  WRITE_RO_AFTER_INIT

 5669 19:41:14.844447  # [   59.672914] lkdtm: attempting bad ro_a<4>[   63.623063]  ? report_bug+0x9e/0xc0

 5670 19:41:14.847957  fter_init write at ffffffff97c0b350

 5671 19:41:14.854935  # [   59.680835] BUG: unabl<4>[   63.633501]  ? handle_bug+0x41/0x90

 5672 19:41:14.860341  e to handle page fault for address: ffffffff97c0b350

 5673 19:41:14.866353  # [   59.6<4>[   63.643768]  ? exc_invalid_op+0x14/0x70

 5674 19:41:14.871220  88801] #PF: supervisor write access in kernel mode

 5675 19:41:14.876857  # [   59.694<4>[   63.654712]  ? asm_exc_invalid_op+0x12/0x20

 5676 19:41:14.882369  922] #PF: error_code(0x0003) - permissions violation

 5677 19:41:14.889178  # [   59.7<4>[   63.665800]  ? refcount_warn_saturate+0x97/0x110

 5678 19:41:14.900820  01426] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 104ed3163 PTE <4>[   63.677485]  ? refcount_warn_saturate+0x97/0x110

 5679 19:41:14.902024  800000002220b061

 5680 19:41:14.906670  # [   59.716667] Oops: 0003 [#15] SMP PTI

 5681 19:41:14.913737  # [<4>[   63.689085]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5682 19:41:14.925834     59.720944] CPU: 1 PID: 1938 Comm: cat Tainted: G      D W    <4>[   63.701692]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 5683 19:41:14.929388       5.10.206-cip41 #1

 5684 19:41:14.936531  # [   59.736092] Hardware name: Google C<4>[   63.714432]  direct_entry.cold+0x2c/0x38

 5685 19:41:14.940314  oral/Coral, BIOS  09/29/2020

 5686 19:41:14.948607  # [   59.743006] RIP: 0010:lkdtm_W<4>[   63.725448]  full_proxy_write+0x56/0x80

 5687 19:41:14.951166  RITE_RO_AFTER_INIT+0x4e/0x5a

 5688 19:41:14.958762  # [   59.755453] Code: 3b b8 97 e9<4>[   63.736161]  vfs_write+0xea/0x3b0

 5689 19:41:14.969069   fe d9 fb ff 48 c7 c7 98 3b b8 97 e8 f2 d9 fb ff 48 8b 05 96 bc <4>[   63.746355]  ksys_write+0x68/0xf0

 5690 19:41:14.978585  fa 00 ba 34 12 cd ab 48 c7 c7 40 3b b8 97 48 31 d0 <48> 89 05 80<4>[   63.756633]  do_syscall_64+0x33/0x40

 5691 19:41:14.984629   bc fa 00 e9 d0 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 5692 19:41:14.990698  # [   59<4>[   63.767094]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5693 19:41:14.996849  .776726] RSP: 0018:ffffbd97025bfe60 EFLAGS: 00010202

 5694 19:41:15.001624  # [   59.7<4>[   63.779256] RIP: 0033:0x7fb2b72d2473

 5695 19:41:15.028939  82857] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 00000000<4>[   63.789795] 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

 5696 19:41:15.030117  00000000

 5697 19:41:15.043828  # [   59.791109] RDX: 00000000abcd1234 RSI: ffff9d50bb<4>[   63.817313] RSP: 002b:00007fffde7383e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5698 19:41:15.046628  c9bf50 RDI: ffffffff97b83b40

 5699 19:41:15.058430  # [   59.799359] RBP: ffffffff97b8<4>[   63.832269] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb2b72d2473

 5700 19:41:15.063364  2d36 R08: 0000000000000000 R09: 0000000000000000

 5701 19:41:15.072708  # [   59.80761<4>[   63.846767] RDX: 000000000000001f RSI: 00007fb2b71c6000 RDI: 0000000000000001

 5702 19:41:15.087367  1] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000<4>[   63.861258] RBP: 00007fb2b71c6000 R08: 00007fb2b71c5010 R09: 0000000000000000

 5703 19:41:15.087659  0014

 5704 19:41:15.102041  # [   59.815851] R13: ffffbd97025bff10 R14: ffffbd97025bff<4>[   63.875745] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5705 19:41:15.104050  10 R15: ffff9d50444b4000

 5706 19:41:15.115855  # [   59.824099] FS:  00007f7a30aa7580<4>[   63.890259] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5707 19:41:15.122296  (0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 5708 19:41:15.126684  # [   5<4>[   63.904744] irq event stamp: 0

 5709 19:41:15.132090  9.833410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5710 19:41:15.140084  # [<4>[   63.914693] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5711 19:41:15.155316     59.840111] CR2: ffffffff97c0b350 CR3: 00000001053be000 CR4: 0<4>[   63.928199] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5712 19:41:15.156966  0000000003506e0

 5713 19:41:15.160230  # [   59.848362] Call Trace:

 5714 19:41:15.170652  # [   59.851396] <4>[   63.943875] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5715 19:41:15.173486   ? __die_body.cold+0x1a/0x1f

 5716 19:41:15.184324  # [   59.856069]  ? no_context+0x1<4>[   63.959517] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5717 19:41:15.185824  77/0x380

 5718 19:41:15.190309  # [   59.860451]  ? exc_page_fault+0xd7/0x170

 5719 19:41:15.196673  # [   5<4>[   63.973044] ---[ end trace f8800554775ed3e5 ]---

 5720 19:41:15.200746  9.865119]  ? asm_exc_page_fault+0x1e/0x30

 5721 19:41:15.208069  # [   59.870088]  ? l<6>[   63.984739] lkdtm: Overflow detected: saturated

 5722 19:41:15.211277  kdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5723 19:41:15.215834  # [   59.875726]  direct_entry.cold+0x2c/0x38

 5724 19:41:15.220088  # [   59.880402]  full_proxy_write+0x56/0x80

 5725 19:41:15.223843  # [   59.884985]  vfs_write+0xea/0x3b0

 5726 19:41:15.228752  # [   59.888976]  ksys_write+0x68/0xf0

 5727 19:41:15.232190  # [   59.892966]  do_syscall_64+0x33/0x40

 5728 19:41:15.238109  # [   59.897246]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5729 19:41:15.241913  # [   59.903173] RIP: 0033:0x7f7a309bd473

 5730 19:41:15.263103  # [   59.907454] 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

 5731 19:41:15.272379  # [   59.928704] RSP: 002b:00007ffeef7c47b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5732 19:41:15.280467  # [   59.937443] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f7a309bd473

 5733 19:41:15.288554  # [   59.945694] RDX: 0000000000000014 RSI: 00007f7a308b1000 RDI: 0000000000000001

 5734 19:41:15.296643  # [   59.953949] RBP: 00007f7a308b1000 R08: 00007f7a308b0010 R09: 0000000000000000

 5735 19:41:15.304796  # [   59.962194] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5736 19:41:15.312914  # [   59.970459] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5737 19:41:15.352727  # [   59.978734] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5738 19:41:15.356667  # [   60.025010] CR2: ffffffff97c0b350

 5739 19:41:15.361960  # [   60.028993] ---[ end trace f8800554775ed3e1 ]---

 5740 19:41:15.367629  # [   60.034439] RIP: 0010:lkdtm_BUG+0x5/0x10

 5741 19:41:15.387942  # [   60.039110] Code: 89 ff e8 5e d4 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 f0 7d 0b 03

 5742 19:41:15.393368  # [   60.060362] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 5743 19:41:15.401829  # [   60.066467] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 5744 19:41:15.410188  # [   60.074709] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 5745 19:41:15.418934  # [   60.082950] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 5746 19:41:15.426227  # [   60.091196] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5747 19:41:15.435032  # [   60.099441] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 5748 19:41:15.443664  # [   60.107688] FS:  00007f7a30aa7580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 5749 19:41:15.451135  # [   60.117000] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5750 19:41:15.458870  # [   60.123700] CR2: ffffffff97c0b350 CR3: 00000001053be000 CR4: 00000000003506e0

 5751 19:41:15.462939  # WRITE_RO_AFTER_INIT: saw 'call trace:': ok

 5752 19:41:15.467886  ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 5753 19:41:15.471186  # selftests: lkdtm: WRITE_KERN.sh

 5754 19:41:15.472446  # Killed

 5755 19:41:15.478087  # [   60.441625] lkdtm: Performing direct entry WRITE_KERN

 5756 19:41:15.485799  # [   60.447940] lkdtm: attempting bad 7222026 byte write at ffffffff96c5f5da

 5757 19:41:15.493974  # [   60.455741] BUG: unable to handle page fault for address: ffffffff96c5f5da

 5758 19:41:15.499719  # [   60.463694] #PF: supervisor write access in kernel mode

 5759 19:41:15.506312  # [   60.469808] #PF: error_code(0x0003) - permissions violation

 5760 19:41:15.512909  # [   60.476312] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 212001e1 

 5761 19:41:15.516331  # [   60.489510] Oops: 0003 [#16] SMP PTI

 5762 19:41:15.525429  # [   60.493783] CPU: 2 PID: 1974 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5763 19:41:15.539742  # [   60.508909] Hardware name: Google Coral/Coral, BI<6>[   64.314536] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 5764 19:41:15.540764  OS  09/29/2020

 5765 19:41:15.552621  # [   60.515806] RIP: 0010:lkdtm_WRITE_KERN+0x38<6>[   64.327268] lkdtm: attempting bad refcount_add_not_zero() overflow

 5766 19:41:15.552957  /0x4e

 5767 19:41:15.564820  # [   60.521255] Code: 53 48 c7 c3 da f5 c5 96 49 89 dc 4<4>[   64.340669] ------------[ cut here ]------------

 5768 19:41:15.575825  8 89 da 49 81 ec d0 c2 57 96 4c 89 e6 e8 a5 d9 fb ff 48 89 df 4c<4>[   64.352317] refcount_t: saturated; leaking memory.

 5769 19:41:15.591543   89 e1 48 c7 c6 d0 c2 57 96 <f3> a4 48 c7 c7 40 3b b8 97 e8 8a d<4>[   64.364286] WARNING: CPU: 3 PID: 2109 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5770 19:41:15.595234  9 fb ff 5b 41 5c e9 b7 fe ff ff

 5771 19:41:15.638373  # [   60.542497] RSP: 0018:ffff<4>[   64.380153] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5772 19:41:15.641216  bd970264fe50 EFLAGS: 00010246

 5773 19:41:15.653049  # [   60.548609] RAX: 00000000000<4>[   64.426320] CPU: 3 PID: 2109 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5774 19:41:15.658040  0003c RBX: ffffffff96c5f5da RCX: 00000000006e330a

 5775 19:41:15.666941  # [   60.5568<4>[   64.441475] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5776 19:41:15.678582  65] RDX: 0000000000000000 RSI: ffffffff9657c2d0 RDI: ffffffff96c<4>[   64.454588] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5777 19:41:15.680531  5f5da

 5778 19:41:15.706526  # [   60.565110] RBP: ffffffff97b82d4a R08: 0000000000000<4>[   64.466942] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 ad 97 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 ad

 5779 19:41:15.708695  000 R09: 0000000000000000

 5780 19:41:15.718886  # [   60.573353] R10: 00000000ffffe00<4>[   64.494421] RSP: 0018:ffffbd9702847e38 EFLAGS: 00010282

 5781 19:41:15.723662  0 R11: 3fffffffffffffff R12: 00000000006e330a

 5782 19:41:15.733472  # [   60.581596] <4>[   64.506739] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5783 19:41:15.747362  R13: ffffbd970264ff10 R14: ffffbd970264ff10 R15: ffff9d504433600<4>[   64.521225] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 5784 19:41:15.747811  0

 5785 19:41:15.762394  # [   60.589852] FS:  00007f49ebdeb580(0000) GS:ffff9d50bbd00<4>[   64.535689] RBP: ffffffff97b829c8 R08: 0000000000000000 R09: 0000000000000000

 5786 19:41:15.765338  000(0000) knlGS:0000000000000000

 5787 19:41:15.777704  # [   60.599169] CS:  0010 DS:<4>[   64.550188] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5788 19:41:15.781082   0000 ES: 0000 CR0: 0000000080050033

 5789 19:41:15.792072  # [   60.605871] CR2: ffff<4>[   64.564654] R13: ffffbd9702847f10 R14: ffffbd9702847f10 R15: ffff9d5043c4a000

 5790 19:41:15.796733  ffff96c5f5da CR3: 00000001049a6000 CR4: 00000000003506e0

 5791 19:41:15.806428  # [   <4>[   64.579136] FS:  00007ff64fe95580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 5792 19:41:15.809774  60.614117] Call Trace:

 5793 19:41:15.820217  # [   60.617145]  ? __die_body.cold+0x1a<4>[   64.594696] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5794 19:41:15.820652  /0x1f

 5795 19:41:15.824836  # [   60.621810]  ? no_context+0x177/0x380

 5796 19:41:15.833608  # [   60.6261<4>[   64.607631] CR2: 00007ff64fc9f000 CR3: 0000000106d18000 CR4: 00000000003506e0

 5797 19:41:15.838520  87]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5798 19:41:15.842807  # [   60.631914]  ?<4>[   64.622341] Call Trace:

 5799 19:41:15.846143   exc_page_fault+0xd7/0x170

 5800 19:41:15.853313  # [   60.636578]  ? asm_exc_page_fau<4>[   64.631345]  ? __warn+0x80/0x110

 5801 19:41:15.854657  lt+0x1e/0x30

 5802 19:41:15.864534  # [   60.641534]  ? lkdtm_SLAB_FREE_CROSS.cold+0x3<4>[   64.641609]  ? refcount_warn_saturate+0x97/0x110

 5803 19:41:15.865346  2/0x32

 5804 19:41:15.870390  # [   60.647267]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 5805 19:41:15.874921  # [ <4>[   64.653265]  ? report_bug+0x9e/0xc0

 5806 19:41:15.879906    60.652412]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5807 19:41:15.885146  # [   60.6<4>[   64.663594]  ? handle_bug+0x41/0x90

 5808 19:41:15.889269  58142]  ? lkdtm_WRITE_KERN+0x38/0x4e

 5809 19:41:15.896895  # [   60.662907]  direct_e<4>[   64.673890]  ? exc_invalid_op+0x14/0x70

 5810 19:41:15.898282  ntry.cold+0x2c/0x38

 5811 19:41:15.907020  # [   60.667576]  full_proxy_write+0x56/0x8<4>[   64.684727]  ? asm_exc_invalid_op+0x12/0x20

 5812 19:41:15.907947  0

 5813 19:41:15.911495  # [   60.672146]  vfs_write+0xea/0x3b0

 5814 19:41:15.919010  # [   60.676134]  ksy<4>[   64.695867]  ? refcount_warn_saturate+0x97/0x110

 5815 19:41:15.920522  s_write+0x68/0xf0

 5816 19:41:15.924967  # [   60.680113]  do_syscall_64+0x33/0x40

 5817 19:41:15.930688  # <4>[   64.707536]  ? refcount_warn_saturate+0x97/0x110

 5818 19:41:15.936376  [   60.684389]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5819 19:41:15.942926  # [   <4>[   64.719151]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5820 19:41:15.946950  60.690304] RIP: 0033:0x7f49ebd01473

 5821 19:41:15.957669  # [   60.694575] Code: 8b 1<4>[   64.731842]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 5822 19:41:15.967309  5 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00<4>[   64.744446]  direct_entry.cold+0x2c/0x38

 5823 19:41:15.978484   64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3<4>[   64.755500]  full_proxy_write+0x56/0x80

 5824 19:41:15.983795  d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5825 19:41:15.988331  #<4>[   64.766220]  vfs_write+0xea/0x3b0

 5826 19:41:15.998216   [   60.715808] RSP: 002b:00007fff8571a098 EFLAGS: 00000246 ORIG<4>[   64.776449]  ksys_write+0x68/0xf0

 5827 19:41:16.000495  _RAX: 0000000000000001

 5828 19:41:16.008966  # [   60.724545] RAX: ffffffffffffffda R<4>[   64.786667]  do_syscall_64+0x33/0x40

 5829 19:41:16.013386  BX: 000000000000000b RCX: 00007f49ebd01473

 5830 19:41:16.020769  # [   60.732791] RDX<4>[   64.797186]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5831 19:41:16.027735  : 000000000000000b RSI: 00007f49ebbf5000 RDI: 0000000000000001

 5832 19:41:16.031095  <4>[   64.809246] RIP: 0033:0x7ff64fdab473

 5833 19:41:16.059636  # [   60.741035] RBP: 00007f49ebbf5000 R08: 00007f49ebbf4010 R09<4>[   64.819854] 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

 5834 19:41:16.061194  : 0000000000000000

 5835 19:41:16.073910  # [   60.749283] R10: fffffffffffffbc5 R11: <4>[   64.847234] RSP: 002b:00007ffe85763d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5836 19:41:16.077647  0000000000000246 R12: 0000000000000001

 5837 19:41:16.087953  # [   60.757526] R13: 00<4>[   64.862349] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff64fdab473

 5838 19:41:16.093755  00000000000001 R14: 0000000000020000 R15: 0000000000020000

 5839 19:41:16.103362  # [ <4>[   64.876684] RDX: 000000000000001f RSI: 00007ff64fc9f000 RDI: 0000000000000001

 5840 19:41:16.117108    60.765778] Modules linked in: fuse ip_tables cros_ec_debugfs c<4>[   64.891218] RBP: 00007ff64fc9f000 R08: 00007ff64fc9e010 R09: 0000000000000000

 5841 19:41:16.131331  ros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_<4>[   64.905654] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5842 19:41:16.146077  ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops v<4>[   64.920153] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5843 19:41:16.156168  ideobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_co<4>[   64.934647] irq event stamp: 0

 5844 19:41:16.169187  mmon snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_<4>[   64.944566] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5845 19:41:16.184615  core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_<4>[   64.958076] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5846 19:41:16.187479  pstore coreboot_table

 5847 19:41:16.191384  # [   60.811956] CR2: ffffffff96c5f5da

 5848 19:41:16.201178  #<4>[   64.973714] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5849 19:41:16.206260   [   60.815941] ---[ end trace f8800554775ed3e2 ]---

 5850 19:41:16.214326  # [   60.8<4>[   64.989347] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5851 19:41:16.218379  21370] RIP: 0010:lkdtm_BUG+0x5/0x10

 5852 19:41:16.225808  # [   60.826033] Code: 89 f<4>[   65.002865] ---[ end trace f8800554775ed3e6 ]---

 5853 19:41:16.237312  f e8 5e d4 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff<6>[   65.014463] lkdtm: Overflow detected: saturated

 5854 19:41:16.249970   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 f0 7d 0b 03

 5855 19:41:16.256734  # [   60.847245] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286

 5856 19:41:16.264283  # [   60.853350] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000

 5857 19:41:16.272350  # [   60.861594] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0

 5858 19:41:16.280617  # [   60.869837] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001

 5859 19:41:16.288469  # [   60.878085] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5860 19:41:16.296490  # [   60.886333] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000

 5861 19:41:16.306363  # [   60.894576] FS:  00007f49ebdeb580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 5862 19:41:16.312999  # [   60.903887] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5863 19:41:16.320616  # [   60.910577] CR2: ffffffff96c5f5da CR3: 00000001049a6000 CR4: 00000000003506e0

 5864 19:41:16.330482  # [   60.918829] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5865 19:41:16.338906  # [   60.929007] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1974, name: cat

 5866 19:41:16.344098  # [   60.937735] INFO: lockdep is turned off.

 5867 19:41:16.347168  # [   60.942393] irq event stamp: 0

 5868 19:41:16.354736  # [   60.946087] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5869 19:41:16.364084  # [   60.953370] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5870 19:41:16.373571  # [   60.962781] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5871 19:41:16.380576  # [   60.972190] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5872 19:41:16.388990  # [   60.979467] CPU: 2 PID: 1974 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5873 19:41:16.395881  # [   60.988391] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5874 19:41:16.398747  # [   60.995276] Call Trace:

 5875 19:41:16.402290  # [   60.998299]  dump_stack+0x77/0x9b

 5876 19:41:16.408061  # [   61.002287]  ___might_sleep.cold+0xa6/0xb6

 5877 19:41:16.411610  # [   61.007151]  exit_signals+0x1c/0x300

 5878 19:41:16.415597  # [   61.011429]  do_exit+0xc2/0xab0

 5879 19:41:16.419059  # [   61.015224]  ? ksys_write+0x68/0xf0

 5880 19:41:16.424905  # [   61.019404]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5881 19:41:16.429686  # [   61.025132]  make_task_dead+0x2f/0x30

 5882 19:41:16.434531  # [   61.029505]  rewind_stack_and_make_dead+0x17/0x20

 5883 19:41:16.439595  # [   61.035038] RIP: 0033:0x7f49ebd01473

 5884 19:41:16.460584  # [   61.039319] 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

 5885 19:41:16.468890  # [   61.060563] RSP: 002b:00007fff8571a098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5886 19:41:16.477939  # [   61.069300] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f49ebd01473

 5887 19:41:16.485285  # [   61.077552] RDX: 000000000000000b RSI: 00007f49ebbf5000 RDI: 0000000000000001

 5888 19:41:16.493635  # [   61.085811] RBP: 00007f49ebbf5000 R08: 00007f49ebbf4010 R09: 0000000000000000

 5889 19:41:16.501598  # [   61.094060] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5890 19:41:16.509745  # [   61.102299] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5891 19:41:16.513293  # WRITE_KERN: saw 'call trace:': ok

 5892 19:41:16.516819  ok 41 selftests: lkdtm: WRITE_KERN.sh

 5893 19:41:16.521322  # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 5894 19:41:16.528175  # [   61.474960] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 5895 19:41:16.535096  # [   61.483520] lkdtm: attempting good refcount_inc() without overflow

 5896 19:41:16.541381  # [   61.496915] lkdtm: attempting bad refcount_inc() overflow

 5897 19:41:16.546891  # [   61.509771] ------------[ cut here ]------------

 5898 19:41:16.552204  # [   61.521128] refcount_t: saturated; leaking memory.

 5899 19:41:16.562048  # [   61.533231] WARNING: CPU: 3 PID: 2010 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5900 19:41:16.579332  # [   61.549213] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo <6>[   65.359475] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 5901 19:41:16.591254  cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charg<6>[   65.367848] lkdtm: attempting good refcount_dec()

 5902 19:41:16.603381  er videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cro<6>[   65.379583] lkdtm: attempting bad refcount_dec() to zero

 5903 19:41:16.615043  s_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_<4>[   65.392021] ------------[ cut here ]------------

 5904 19:41:16.627333  usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine<4>[   65.403732] refcount_t: decrement hit 0; leaking memory.

 5905 19:41:16.632193   regmap_i2c chromeos_pstore coreboot_table

 5906 19:41:16.643847  # [   61.595197] CPU<4>[   65.416223] WARNING: CPU: 3 PID: 2142 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5907 19:41:16.690317  : 3 PID: 2010 Comm: cat Tainted: G      D W         5.10.206-cip<4>[   65.432062] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 5908 19:41:16.691435  41 #1

 5909 19:41:16.704969  # [   61.610438] Hardware name: Google Coral/Coral, BIOS <4>[   65.478327] CPU: 3 PID: 2142 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 5910 19:41:16.706201   09/29/2020

 5911 19:41:16.717898  # [   61.623475] RIP: 0010:refcount_warn_saturate+0<4>[   65.493451] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 5912 19:41:16.718933  x51/0x110

 5913 19:41:16.729965  # [   61.635778] Code: 84 bc 00 00 00 c3 cc cc cc cc <4>[   65.506573] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5914 19:41:16.758189  85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 48 d9 ad 97 c6 0<4>[   65.518937] Code: f8 d9 ad 97 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c8 d9 ad 97 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5915 19:41:16.770310  5 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 <4>[   65.546405] RSP: 0018:ffffbd97028d7e48 EFLAGS: 00010286

 5916 19:41:16.773733  fa 16 02 00 75 cb 48 c7 c7 70 d9 ad

 5917 19:41:16.784911  # [   61.663248] RSP: 0018:<4>[   65.558721] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 5918 19:41:16.788755  ffffbd97026e7e48 EFLAGS: 00010286

 5919 19:41:16.799142  # [   61.675570] RAX: 0000000<4>[   65.573202] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 5920 19:41:16.804806  000000000 RBX: 000000000000002b RCX: 0000000000000000

 5921 19:41:16.814761  # [   61.<4>[   65.587706] RBP: ffffffff97b82d81 R08: 0000000000000000 R09: 0000000000000000

 5922 19:41:16.828745  690079] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d5<4>[   65.602152] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5923 19:41:16.829760  0bbd9bf50

 5924 19:41:16.842585  # [   61.704511] RBP: ffffffff97b82d55 R08: 000000000<4>[   65.616620] R13: ffffbd97028d7f10 R14: ffffbd97028d7f10 R15: ffff9d5044386000

 5925 19:41:16.845804  0000000 R09: 0000000000000000

 5926 19:41:16.858521  # [   61.719006] R10: 00000000fff<4>[   65.631061] FS:  00007ff7edb8e580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 5927 19:41:16.864219  fe000 R11: 3fffffffffffffff R12: 0000000000000016

 5928 19:41:16.871419  # [   61.7334<4>[   65.646653] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5929 19:41:16.886467  26] R13: ffffbd97026e7f10 R14: ffffbd97026e7f10 R15: ffff9d5042a<4>[   65.659796] CR2: 00007ff7ed998000 CR3: 00000001045e4000 CR4: 00000000003506e0

 5930 19:41:16.886959  42000

 5931 19:41:16.894594  # [   61.747879] FS:  00007f6c04084580(0000) GS:ffff9d50b<4>[   65.674019] Call Trace:

 5932 19:41:16.898085  bd80000(0000) knlGS:0000000000000000

 5933 19:41:16.904534  # [   61.763396] CS:  0010<4>[   65.683373]  ? __warn+0x80/0x110

 5934 19:41:16.908851   DS: 0000 ES: 0000 CR0: 0000000080050033

 5935 19:41:16.917060  # [   61.776333] CR2: <4>[   65.693451]  ? refcount_warn_saturate+0xfb/0x110

 5936 19:41:16.922486  00007f6c03e8e000 CR3: 00000001043a6000 CR4: 00000000003506e0

 5937 19:41:16.927339  # <4>[   65.705025]  ? report_bug+0x9e/0xc0

 5938 19:41:16.929561  [   61.790754] Call Trace:

 5939 19:41:16.938729  # [   61.800023]  ? __warn+0x80/0x11<4>[   65.715437]  ? refcount_warn_saturate+0xfb/0x110

 5940 19:41:16.938816  0

 5941 19:41:16.945480  # [   61.810068]  ? refcount_warn_saturate+0x51/0x110

 5942 19:41:16.948749  # [   <4>[   65.727066]  ? handle_bug+0x41/0x90

 5943 19:41:16.952306  61.821853]  ? report_bug+0x9e/0xc0

 5944 19:41:16.959540  # [   61.832245]  ? handle_b<4>[   65.737459]  ? exc_invalid_op+0x14/0x70

 5945 19:41:16.961195  ug+0x41/0x90

 5946 19:41:16.965519  # [   61.842545]  ? exc_invalid_op+0x14/0x70

 5947 19:41:16.970692  # [ <4>[   65.748223]  ? asm_exc_invalid_op+0x12/0x20

 5948 19:41:16.975729    61.853445]  ? asm_exc_invalid_op+0x12/0x20

 5949 19:41:16.982553  # [   61.864526]  <4>[   65.759419]  ? refcount_warn_saturate+0xfb/0x110

 5950 19:41:16.985986  ? refcount_warn_saturate+0x51/0x110

 5951 19:41:16.994642  # [   61.876186]  ? refcoun<4>[   65.771006]  ? refcount_warn_saturate+0xfb/0x110

 5952 19:41:16.996926  t_warn_saturate+0x51/0x110

 5953 19:41:17.005419  # [   61.887801]  lkdtm_REFCOUNT_INC<4>[   65.782836]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 5954 19:41:17.007601  _OVERFLOW+0x70/0x98

 5955 19:41:17.016504  # [   61.899701]  direct_entry.cold+0x2c/0x<4>[   65.794197]  direct_entry.cold+0x2c/0x38

 5956 19:41:17.016590  38

 5957 19:41:17.021313  # [   61.910546]  full_proxy_write+0x56/0x80

 5958 19:41:17.027845  # [   61.92134<4>[   65.805025]  full_proxy_write+0x56/0x80

 5959 19:41:17.029945  7]  vfs_write+0xea/0x3b0

 5960 19:41:17.037774  # [   61.931496]  ksys_write+0x68/0xf0<4>[   65.815885]  vfs_write+0xea/0x3b0

 5961 19:41:17.037859  

 5962 19:41:17.041880  # [   61.941729]  do_syscall_64+0x33/0x40

 5963 19:41:17.048072  # [   61.952161]  e<4>[   65.825975]  ksys_write+0x68/0xf0

 5964 19:41:17.052247  ntry_SYSCALL_64_after_hwframe+0x62/0xc7

 5965 19:41:17.057711  # [   61.964306] RIP: 0<4>[   65.836327]  do_syscall_64+0x33/0x40

 5966 19:41:17.059964  033:0x7f6c03f9a473

 5967 19:41:17.070610  # [   61.974751] Code: 8b 15 21 2a 0e 00 f7 <4>[   65.846797]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5968 19:41:17.080850  d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 0<4>[   65.858965] RIP: 0033:0x7ff7edaa4473

 5969 19:41:17.108072  0 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 <4>[   65.869294] 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

 5970 19:41:17.112931  55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5971 19:41:17.123543  # [   62.002247] R<4>[   65.896881] RSP: 002b:00007ffd231151e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5972 19:41:17.137736  SP: 002b:00007fff8add85f8 EFLAGS: 00000246 ORIG_RAX: 00000000000<4>[   65.911681] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff7edaa4473

 5973 19:41:17.139544  00001

 5974 19:41:17.152149  # [   62.017122] RAX: ffffffffffffffda RBX: 0000000000000<4>[   65.926272] RDX: 0000000000000012 RSI: 00007ff7ed998000 RDI: 0000000000000001

 5975 19:41:17.155126  016 RCX: 00007f6c03f9a473

 5976 19:41:17.167256  # [   62.031617] RDX: 000000000000001<4>[   65.940701] RBP: 00007ff7ed998000 R08: 00007ff7ed997010 R09: 0000000000000000

 5977 19:41:17.170999  6 RSI: 00007f6c03e8e000 RDI: 0000000000000001

 5978 19:41:17.180864  # [   62.046038] <4>[   65.955106] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5979 19:41:17.195322  RBP: 00007f6c03e8e000 R08: 00007f6c03e8d010 R09: 000000000000000<4>[   65.969562] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5980 19:41:17.195822  0

 5981 19:41:17.205403  # [   62.060520] R10: fffffffffffffbc5 R11: 0000000000000246 <4>[   65.984018] irq event stamp: 0

 5982 19:41:17.208022  R12: 0000000000000001

 5983 19:41:17.219255  # [   62.074957] R13: 0000000000000001 R1<4>[   65.993905] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5984 19:41:17.223026  4: 0000000000020000 R15: 0000000000020000

 5985 19:41:17.234459  # [   62.089456] irq <4>[   66.007449] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5986 19:41:17.237378  event stamp: 0

 5987 19:41:17.250744  # [   62.099288] hardirqs last  enabled at (0): <4>[   66.023041] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5988 19:41:17.253924  [<0000000000000000>] 0x0

 5989 19:41:17.264822  # [   62.112869] hardirqs last disable<4>[   66.038710] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5990 19:41:17.270357  d at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 5991 19:41:17.275717  # [   <4>[   66.052193] ---[ end trace f8800554775ed3e7 ]---

 5992 19:41:17.286755  62.128496] softirqs last  enabled at (0): [<ffffffff95afd6cc>] c<6>[   66.063849] lkdtm: Zero detected: saturated

 5993 19:41:17.289554  opy_process+0x65c/0x20e0

 5994 19:41:17.296305  # [   62.144117] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5995 19:41:17.301439  # [   62.157577] ---[ end trace f8800554775ed3e3 ]---

 5996 19:41:17.307930  # [   62.169210] lkdtm: Overflow detected: saturated

 5997 19:41:17.312063  # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok

 5998 19:41:17.316377  ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 5999 19:41:17.321247  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6000 19:41:17.327827  # [   62.527808] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 6001 19:41:17.334793  # [   62.541026] lkdtm: attempting good refcount_add() without overflow

 6002 19:41:17.341408  # [   62.554468] lkdtm: attempting bad refcount_add() overflow

 6003 19:41:17.346641  # [   62.560801] ------------[ cut here ]------------

 6004 19:41:17.352572  # [   62.572446] refcount_t: saturated; leaking memory.

 6005 19:41:17.361415  # [   62.584342] WARNING: CPU: 2 PID: 2043 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6006 19:41:17.401145  # [   62.600214] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6007 19:41:17.409892  # [   62.646402] CPU: 2 PID: 2043 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 6008 19:41:17.416981  # [   62.655360] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6009 19:41:17.423208  # [   62.662276] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6010 19:41:17.444096  # [   62.668421] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 48 d9 ad 97 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 ad

 6011 19:41:17.450418  # [   62.689660] RSP: 0018:ffffbd970275fe48 EFLAGS: 00010286

 6012 19:41:17.458126  # [   62.695799] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 6013 19:41:17.466371  # [   62.704071] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50

 6014 19:41:17.474202  # [   62.712337] RBP: ffffffff97b82d6b R08: 0000000000000000 R09: 0000000000000000

 6015 19:41:17.482655  # [   62.720603] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6016 19:41:17.490945  # [   62.728873] R13: ffffbd970275ff10 R14: ffffbd970275ff10 R15: ffff9d5044496000

 6017 19:41:17.500104  # [   62.737146] FS:  00007fe65e9c8580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 6018 19:41:17.506584  # [   62.746495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6019 19:41:17.514908  # [   62.753223] CR2: 00007fe65e7d2000 CR3: 00000001066f4000 CR4: 00000000003506e0

 6020 19:41:17.517736  # [   62.761498] Call Trace:

 6021 19:41:17.521045  # [   62.764557]  ? __warn+0x80/0x110

 6022 19:41:17.526430  # [   62.768469]  ? refcount_warn_saturate+0x51/0x110

 6023 19:41:17.530924  # [   62.773944]  ? report_bug+0x9e/0xc0

 6024 19:41:17.535386  # [   62.778157]  ? handle_bug+0x41/0x90

 6025 19:41:17.539043  # [   62.782372]  ? exc_invalid_op+0x14/0x70

 6026 19:41:17.544559  # [   62.786972]  ? asm_exc_invalid_op+0x12/0x20

 6027 19:41:17.549298  # [   62.791965]  ? refcount_warn_saturate+0x51/0x110

 6028 19:41:17.554512  # [   62.797427]  ? refcount_warn_saturate+0x51/0x110

 6029 19:41:17.560422  # [   62.802892]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 6030 19:41:17.565242  # [   62.808560]  direct_entry.cold+0x2c/0x38

 6031 19:41:17.569095  # [   62.813261]  full_proxy_write+0x56/0x80

 6032 19:41:17.572953  # [   62.817860]  vfs_write+0xea/0x3b0

 6033 19:41:17.576760  # [   62.821877]  ksys_write+0x68/0xf0

 6034 19:41:17.581567  # [   62.825896]  do_syscall_64+0x33/0x40

 6035 19:41:17.587088  # [   62.830207]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6036 19:41:17.591199  # [   62.836164] RIP: 0033:0x7fe65e8de473

 6037 19:41:17.612501  # [   62.840473] 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

 6038 19:41:17.621303  # [   62.861738] RSP: 002b:00007ffe7030e0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6039 19:41:17.629308  # [   62.870495] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe65e8de473

 6040 19:41:17.637124  # [   62.878764] RDX: 0000000000000016 RSI: 00007fe65e7d2000 RDI: 0000000000000001

 6041 19:41:17.645361  # [   62.893229] RBP: 00007fe65e7d2000 R08: 00007fe65e7d1010 R09: 0000000000000000

 6042 19:41:17.659960  # [   62.901509] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000<6>[   66.435577] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6043 19:41:17.665878  <6>[   66.448189] lkdtm: attempting bad refcount_dec() below zero

 6044 19:41:17.672694  <4>[   66.454732] ------------[ cut here ]------------

 6045 19:41:17.677861  <4>[   66.460197] refcount_t: decrement hit 0; leaking memory.

 6046 19:41:17.687469  <4>[   66.466489] WARNING: CPU: 2 PID: 2178 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6047 19:41:17.689253  00000001

 6048 19:41:17.733768  # [   62.909797] R13: 0000000000000001 R14: 0000000000<4>[   66.476222] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6049 19:41:17.742629  <4>[   66.522436] CPU: 2 PID: 2178 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 6050 19:41:17.749852  <4>[   66.531392] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6051 19:41:17.755646  <4>[   66.538312] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6052 19:41:17.777462  <4>[   66.544457] Code: f8 d9 ad 97 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c8 d9 ad 97 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6053 19:41:17.784344  <4>[   66.565719] RSP: 0018:ffffbd970295fe48 EFLAGS: 00010286

 6054 19:41:17.792240  <4>[   66.571859] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6055 19:41:17.799973  <4>[   66.580127] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50

 6056 19:41:17.808088  <4>[   66.588407] RBP: ffffffff97b82d93 R08: 0000000000000000 R09: 0000000000000000

 6057 19:41:17.816462  <4>[   66.596685] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6058 19:41:17.825313  <4>[   66.604952] R13: ffffbd970295ff10 R14: ffffbd970295ff10 R15: ffff9d5045b5f000

 6059 19:41:17.834875  <4>[   66.613219] FS:  00007ff3b73b0580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 6060 19:41:17.841459  <4>[   66.622544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6061 19:41:17.849856  <4>[   66.629265] CR2: 00007ff3b71ba000 CR3: 0000000103820000 CR4: 00000000003506e0

 6062 19:41:17.853179  <4>[   66.637528] Call Trace:

 6063 19:41:17.855980  <4>[   66.640579]  ? __warn+0x80/0x110

 6064 19:41:17.861874  <4>[   66.644493]  ? refcount_warn_saturate+0xfb/0x110

 6065 19:41:17.866076  <4>[   66.649965]  ? report_bug+0x9e/0xc0

 6066 19:41:17.870400  <4>[   66.654174]  ? handle_bug+0x41/0x90

 6067 19:41:17.875416  <4>[   66.658380]  ? exc_invalid_op+0x14/0x70

 6068 19:41:17.880339  <4>[   66.662968]  ? asm_exc_invalid_op+0x12/0x20

 6069 19:41:17.885409  <4>[   66.667956]  ? refcount_warn_saturate+0xfb/0x110

 6070 19:41:17.890912  <4>[   66.673422]  ? refcount_warn_saturate+0xfb/0x110

 6071 19:41:17.896187  <4>[   66.678892]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6072 19:41:17.900948  <4>[   66.684550]  direct_entry.cold+0x2c/0x38

 6073 19:41:17.906666  <4>[   66.689243]  full_proxy_write+0x56/0x80

 6074 19:41:17.909417  <4>[   66.693845]  vfs_write+0xea/0x3b0

 6075 19:41:17.913574  <4>[   66.697865]  ksys_write+0x68/0xf0

 6076 19:41:17.918213  <4>[   66.701871]  do_syscall_64+0x33/0x40

 6077 19:41:17.923868  <4>[   66.706169]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6078 19:41:17.929573  <4>[   66.712121] RIP: 0033:0x7ff3b72c6473

 6079 19:41:17.930914  020000 R15: 0000000000020000

 6080 19:41:17.955645  # [   62.918090] irq event stamp: <4>[   66.716419] 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

 6081 19:41:17.956218  0

 6082 19:41:17.969906  # [   62.921809] hardirqs last  enabled at (0): [<00000000000<6>[   66.721563] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 6083 19:41:17.979302  <4>[   66.743921] RSP: 002b:00007fff95266b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6084 19:41:17.980569  00000>] 0x0

 6085 19:41:17.991910  # [   62.929122] hardirqs last disabled at (0): [<f<6>[   66.761015] platform MX98357A:00: deferred probe pending

 6086 19:41:17.999933  <4>[   66.767214] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff3b72c6473

 6087 19:41:18.005639  <6>[   66.779641] pci 0000:00:1b.0: deferred probe pending

 6088 19:41:18.013596  <4>[   66.793749] RDX: 0000000000000016 RSI: 00007ff3b71ba000 RDI: 0000000000000001

 6089 19:41:18.023364  <4>[   66.802028] RBP: 00007ff3b71ba000 R08: 00007ff3b71b9010 R09: 0000000000000000

 6090 19:41:18.030713  <4>[   66.810315] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6091 19:41:18.038481  <4>[   66.818595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6092 19:41:18.042402  <4>[   66.826885] irq event stamp: 0

 6093 19:41:18.049466  <4>[   66.830607] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6094 19:41:18.059558  <4>[   66.837927] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6095 19:41:18.068690  <4>[   66.847375] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6096 19:41:18.075651  <4>[   66.856827] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6097 19:41:18.081558  <4>[   66.864141] ---[ end trace f8800554775ed3e8 ]---

 6098 19:41:18.086108  fffffff95afd6cc>] copy_process+0x65c/0x20e0

 6099 19:41:18.093235  # [   62.938610] so<6>[   66.869609] lkdtm: Negative detected: saturated

 6100 19:41:18.100768  ftirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6101 19:41:18.108115  # [   62.948086] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6102 19:41:18.112780  # [   62.955393] ---[ end trace f8800554775ed3e4 ]---

 6103 19:41:18.118333  # [   62.960850] lkdtm: Overflow detected: saturated

 6104 19:41:18.123164  # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok

 6105 19:41:18.127565  ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6106 19:41:18.132920  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6107 19:41:18.141114  # [   63.284361] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 6108 19:41:18.148056  # [   63.296999] lkdtm: attempting bad refcount_inc_not_zero() overflow

 6109 19:41:18.153552  # [   63.310361] ------------[ cut here ]------------

 6110 19:41:18.159123  # [   63.322069] refcount_t: saturated; leaking memory.

 6111 19:41:18.168493  # [   63.333990] WARNING: CPU: 3 PID: 2076 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6112 19:41:18.208427  # [   63.350068] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6113 19:41:18.218333  # [   63.396123] CPU: 3 PID: 2076 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 6114 19:41:18.224588  # [   63.411396] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6115 19:41:18.229742  # [   63.424343] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6116 19:41:18.251306  # [   63.436680] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 ad 97 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 ad

 6117 19:41:18.257455  # [   63.464296] RSP: 0018:ffffbd97027d7e38 EFLAGS: 00010282

 6118 19:41:18.265659  # [   63.476523] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 6119 19:41:18.273457  # [   63.491094] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 6120 19:41:18.282300  # [   63.505497] RBP: ffffffff97b829a8 R08: 0000000000000000 R09: 0000000000000000

 6121 19:41:18.290053  # [   63.520027] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6122 19:41:18.298031  # [   63.534483] R13: ffffbd97027d7f10 R14: ffffbd97027d7f10 R15: ffff9d5045b56000

 6123 19:41:18.307285  # [   63.549024] FS:  00007fb2b73bc580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 6124 19:41:18.314013  # [   63.564535] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6125 19:41:18.322690  # [   63.577496] CR2: 00007fb2b71c6000 CR3: 000000010430e000 CR4: 00000000003506e0

 6126 19:41:18.324797  # [   63.591969] Call Trace:

 6127 19:41:18.328658  # [   63.601257]  ? __warn+0x80/0x110

 6128 19:41:18.334556  # [   63.611294]  ? refcount_warn_saturate+0x97/0x110

 6129 19:41:18.337631  # [   63.623063]  ? report_bug+0x9e/0xc0

 6130 19:41:18.341896  # [   63.633501]  ? handle_bug+0x41/0x90

 6131 19:41:18.346722  # [   63.643768]  ? exc_invalid_op+0x14/0x70

 6132 19:41:18.351146  # [   63.654712]  ? asm_exc_invalid_op+0x12/0x20

 6133 19:41:18.356431  # [   63.665800]  ? refcount_warn_saturate+0x97/0x110

 6134 19:41:18.362353  # [   63.677485]  ? refcount_warn_saturate+0x97/0x110

 6135 19:41:18.368936  # [   63.689085]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6136 19:41:18.374864  # [   63.701692]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 6137 19:41:18.379939  # [   63.714432]  direct_entry.cold+0x2c/0x38

 6138 19:41:18.384845  # [   63.725448]  full_proxy_write+0x56/0x80

 6139 19:41:18.388377  # [   63.736161]  vfs_write+0xea/0x3b0

 6140 19:41:18.391998  # [   63.746355]  ksys_write+0x68/0xf0

 6141 19:41:18.396629  # [   63.756633]  do_syscall_64+0x33/0x40

 6142 19:41:18.402572  # [   63.767094]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6143 19:41:18.405916  # [   63.779256] RIP: 0033:0x7fb2b72d2473

 6144 19:41:18.426980  # [   63.789795] 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

 6145 19:41:18.435765  # [   63.817313] RSP: 002b:00007fffde7383e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6146 19:41:18.446011  # [   63.832269] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb2b72d2473

 6147 19:41:18.452394  # [   63.846767] RDX: 000000000000001f RSI: 00007fb2b71c6000 RDI: 0000000000000001

 6148 19:41:18.459858  # [   63.861258] RBP: 00007fb2b71c6000 R08: 00007fb2b71c5010 R09: 0000000000000000

 6149 19:41:18.468638  # [   63.875745] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6150 19:41:18.480495  # [   63.890259] R13: 0000000000000001 <6>[   67.254141] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6151 19:41:18.484853  R14: 0000000000020000 R15: 0000000000020000

 6152 19:41:18.493439  # [   63.904744] ir<6>[   67.268037] lkdtm: attempting bad refcount_dec_and_test() below zero

 6153 19:41:18.495352  q event stamp: 0

 6154 19:41:18.505503  # [   63.914693] hardirqs last  enabled at (0)<4>[   67.281643] ------------[ cut here ]------------

 6155 19:41:18.507419  : [<0000000000000000>] 0x0

 6156 19:41:18.516738  # [   63.928199] hardirqs last disab<4>[   67.293364] refcount_t: underflow; use-after-free.

 6157 19:41:18.522701  led at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6158 19:41:18.532688  # [ <4>[   67.305249] WARNING: CPU: 3 PID: 2216 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6159 19:41:18.579963    63.943875] softirqs last  enabled at (0): [<ffffffff95afd6cc>]<4>[   67.321081] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6160 19:41:18.581997   copy_process+0x65c/0x20e0

 6161 19:41:18.595626  # [   63.959517] softirqs last disab<4>[   67.367283] CPU: 3 PID: 2216 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 6162 19:41:18.598190  led at (0): [<0000000000000000>] 0x0

 6163 19:41:18.607635  # [   63.973044] ---[ end <4>[   67.382395] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6164 19:41:18.610188  trace f8800554775ed3e5 ]---

 6165 19:41:18.620953  # [   63.984739] lkdtm: Overflow de<4>[   67.395527] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6166 19:41:18.621753  tected: saturated

 6167 19:41:18.648413  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call t<4>[   67.407893] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 ad 97 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7

 6168 19:41:18.648884  race:': ok

 6169 19:41:18.659363  ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFL<4>[   67.435341] RSP: 0018:ffffbd97029d7e40 EFLAGS: 00010286

 6170 19:41:18.661036  OW.sh

 6171 19:41:18.666173  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6172 19:41:18.674101  # <4>[   67.447658] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6173 19:41:18.688979  [   64.314536] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_Z<4>[   67.462136] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 6174 19:41:18.690181  ERO_OVERFLOW

 6175 19:41:18.702840  # [   64.327268] lkdtm: attempting bad refcount_ad<4>[   67.476585] RBP: ffffffff97b829e8 R08: 0000000000000000 R09: 0000000000000000

 6176 19:41:18.705410  d_not_zero() overflow

 6177 19:41:18.718323  # [   64.340669] ------------[ cut here ]<4>[   67.491073] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6178 19:41:18.719204  ------------

 6179 19:41:18.732344  # [   64.352317] refcount_t: saturated; leaking me<4>[   67.505586] R13: ffffbd97029d7f10 R14: ffffbd97029d7f10 R15: ffff9d5044339000

 6180 19:41:18.733319  mory.

 6181 19:41:18.747753  # [   64.364286] WARNING: CPU: 3 PID: 2109 at lib/refcoun<4>[   67.520039] FS:  00007f66206c8580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 6182 19:41:18.751527  t.c:19 refcount_warn_saturate+0x97/0x110

 6183 19:41:18.760901  # [   64.380153] Modul<4>[   67.535586] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6184 19:41:18.775124  es linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cr<4>[   67.548537] CR2: 00007f66204d2000 CR3: 00000001064a8000 CR4: 00000000003506e0

 6185 19:41:18.785498  os_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2<4>[   67.563263] Call Trace:

 6186 19:41:18.794978  _vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi<4>[   67.572231]  ? __warn+0x80/0x110

 6187 19:41:18.805899   x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da721<4>[   67.582494]  ? refcount_warn_saturate+0xba/0x110

 6188 19:41:18.815948  9 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_c<4>[   67.594137]  ? report_bug+0x9e/0xc0

 6189 19:41:18.827645  ompress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_ta<4>[   67.604466]  ? refcount_warn_saturate+0xba/0x110

 6190 19:41:18.828686  ble

 6191 19:41:18.838051  # [   64.426320] CPU: 3 PID: 2109 Comm: cat Tainted: G     <4>[   67.616115]  ? handle_bug+0x41/0x90

 6192 19:41:18.841572   D W         5.10.206-cip41 #1

 6193 19:41:18.849320  # [   64.441475] Hardware name: <4>[   67.626493]  ? exc_invalid_op+0x14/0x70

 6194 19:41:18.853061  Google Coral/Coral, BIOS  09/29/2020

 6195 19:41:18.859911  # [   64.454588] RIP: 0010<4>[   67.637275]  ? asm_exc_invalid_op+0x12/0x20

 6196 19:41:18.863947  :refcount_warn_saturate+0x97/0x110

 6197 19:41:18.871724  # [   64.466942] Code: 02 01<4>[   67.648455]  ? refcount_warn_saturate+0xba/0x110

 6198 19:41:18.884168   e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 <4>[   67.659997]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6199 19:41:18.897675  48 c7 c7 48 d9 ad 97 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b<4>[   67.672736]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6200 19:41:18.903192   c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 ad

 6201 19:41:18.909275  # <4>[   67.685331]  direct_entry.cold+0x2c/0x38

 6202 19:41:18.914185  [   64.494421] RSP: 0018:ffffbd9702847e38 EFLAGS: 00010282

 6203 19:41:18.918615  # [ <4>[   67.696354]  full_proxy_write+0x56/0x80

 6204 19:41:18.929014    64.506739] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 00<4>[   67.707049]  vfs_write+0xea/0x3b0

 6205 19:41:18.930533  00000000000000

 6206 19:41:18.938984  # [   64.521225] RDX: ffff9d50bbdac620 RSI: ffff<4>[   67.717258]  ksys_write+0x68/0xf0

 6207 19:41:18.942992  9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 6208 19:41:18.949838  # [   64.535689] RBP: ffffff<4>[   67.727468]  do_syscall_64+0x33/0x40

 6209 19:41:18.954822  ff97b829c8 R08: 0000000000000000 R09: 0000000000000000

 6210 19:41:18.961599  # [   64<4>[   67.738013]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6211 19:41:18.972792  .550188] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000<4>[   67.750105] RIP: 0033:0x7f66205de473

 6212 19:41:18.973695  000000001f

 6213 19:41:19.000283  # [   64.564654] R13: ffffbd9702847f10 R14: ffffbd97<4>[   67.760609] 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

 6214 19:41:19.003166  02847f10 R15: ffff9d5043c4a000

 6215 19:41:19.014863  # [   64.579136] FS:  00007ff64f<4>[   67.788027] RSP: 002b:00007ffc58eaa4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6216 19:41:19.021094  e95580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 6217 19:41:19.029594  #<4>[   67.803080] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f66205de473

 6218 19:41:19.043506   [   64.594696] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003<4>[   67.817540] RDX: 000000000000001f RSI: 00007f66204d2000 RDI: 0000000000000001

 6219 19:41:19.044540  3

 6220 19:41:19.057904  # [   64.607631] CR2: 00007ff64fc9f000 CR3: 0000000106d18000 <4>[   67.832049] RBP: 00007f66204d2000 R08: 00007f66204d1010 R09: 0000000000000000

 6221 19:41:19.061487  CR4: 00000000003506e0

 6222 19:41:19.063708  # [   64.622341] Call Trace:

 6223 19:41:19.072747  # [   64.63<4>[   67.846492] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6224 19:41:19.076066  1345]  ? __warn+0x80/0x110

 6225 19:41:19.087613  # [   64.641609]  ? refcount_warn_sa<4>[   67.861011] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6226 19:41:19.089053  turate+0x97/0x110

 6227 19:41:19.093228  # [   64.653265]  ? report_bug+0x9e/0xc0

 6228 19:41:19.098062  # [<4>[   67.875474] irq event stamp: 0

 6229 19:41:19.100709     64.663594]  ? handle_bug+0x41/0x90

 6230 19:41:19.110793  # [   64.673890]  ? exc_i<4>[   67.885313] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6231 19:41:19.112296  nvalid_op+0x14/0x70

 6232 19:41:19.126227  # [   64.684727]  ? asm_exc_invalid_op+0x12<4>[   67.898879] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6233 19:41:19.127479  /0x20

 6234 19:41:19.132477  # [   64.695867]  ? refcount_warn_saturate+0x97/0x110

 6235 19:41:19.142685  # <4>[   67.914471] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6236 19:41:19.146656  [   64.707536]  ? refcount_warn_saturate+0x97/0x110

 6237 19:41:19.155865  # [   64.71<4>[   67.930135] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6238 19:41:19.160953  9151]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6239 19:41:19.166958  # [   64.7<4>[   67.943648] ---[ end trace f8800554775ed3e9 ]---

 6240 19:41:19.172654  31842]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 6241 19:41:19.178517  # [   64<6>[   67.955296] lkdtm: Negative detected: saturated

 6242 19:41:19.182013  .744446]  direct_entry.cold+0x2c/0x38

 6243 19:41:19.186541  # [   64.755500]  full_proxy_write+0x56/0x80

 6244 19:41:19.190561  # [   64.766220]  vfs_write+0xea/0x3b0

 6245 19:41:19.194306  # [   64.776449]  ksys_write+0x68/0xf0

 6246 19:41:19.198775  # [   64.786667]  do_syscall_64+0x33/0x40

 6247 19:41:19.204890  # [   64.797186]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6248 19:41:19.208731  # [   64.809246] RIP: 0033:0x7ff64fdab473

 6249 19:41:19.230229  # [   64.819854] 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

 6250 19:41:19.238884  # [   64.847234] RSP: 002b:00007ffe85763d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6251 19:41:19.246736  # [   64.862349] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff64fdab473

 6252 19:41:19.254899  # [   64.876684] RDX: 000000000000001f RSI: 00007ff64fc9f000 RDI: 0000000000000001

 6253 19:41:19.263076  # [   64.891218] RBP: 00007ff64fc9f000 R08: 00007ff64fc9e010 R09: 0000000000000000

 6254 19:41:19.271604  # [   64.905654] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6255 19:41:19.279689  # [   64.920153] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6256 19:41:19.282830  # [   64.934647] irq event stamp: 0

 6257 19:41:19.290929  # [   64.944566] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6258 19:41:19.299360  # [   64.958076] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6259 19:41:19.308734  # [   64.973714] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6260 19:41:19.316247  # [   64.989347] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6261 19:41:19.322465  # [   65.002865] ---[ end trace f8800554775ed3e6 ]---

 6262 19:41:19.326175  # [   65.014463] lkdtm: Overflow detected: saturated

 6263 19:41:19.332842  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6264 19:41:19.337918  ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6265 19:41:19.341615  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6266 19:41:19.347974  # [   65.359475] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 6267 19:41:19.353939  # [   65.367848] lkdtm: attempting good refcount_dec()

 6268 19:41:19.359885  # [   65.379583] lkdtm: attempting bad refcount_dec() to zero

 6269 19:41:19.365230  # [   65.392021] ------------[ cut here ]------------

 6270 19:41:19.371979  # [   65.403732] refcount_t: decrement hit 0; leaking memory.

 6271 19:41:19.381585  # [   65.416223] WARNING: CPU: 3 PID: 2142 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6272 19:41:19.421062  # [   65.432062] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6273 19:41:19.429408  # [   65.478327] CPU: 3 PID: 2142 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 6274 19:41:19.435988  # [   65.493451] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6275 19:41:19.442998  # [   65.506573] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6276 19:41:19.463467  # [   65.518937] Code: f8 d9 ad 97 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c8 d9 ad 97 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6277 19:41:19.469719  # [   65.546405] RSP: 0018:ffffbd97028d7e48 EFLAGS: 00010286

 6278 19:41:19.478332  # [   65.558721] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 6279 19:41:19.487359  # [   65.573202] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 6280 19:41:19.493610  # [   65.587706] RBP: ffffffff97b82d81 R08: 0000000000000000 R09: 0000000000000000

 6281 19:41:19.501832  # [   65.602152] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6282 19:41:19.510496  # [   65.616620] R13: ffffbd97028d7f10 R14: ffffbd97028d7f10 R15: ffff9d5044386000

 6283 19:41:19.519419  # [   65.631061] FS:  00007ff7edb8e580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 6284 19:41:19.525803  # [   65.646653] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6285 19:41:19.535709  # [   65.659796] CR2: 00007ff7ed998000 CR3: 00000001045e4000 CR4: 00000000003506e0

 6286 19:41:19.537245  # [   65.674019] Call Trace:

 6287 19:41:19.540482  # [   65.683373]  ? __warn+0x80/0x110

 6288 19:41:19.552462  # [   65.693451]  ? refcount_warn_saturat<6>[   68.326898] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6289 19:41:19.553846  e+0xfb/0x110

 6290 19:41:19.558051  # [   65.705025]  ? report_bug+0x9e/0xc0

 6291 19:41:19.565629  # [   65<6>[   68.341296] lkdtm: attempting bad refcount_sub_and_test() below zero

 6292 19:41:19.571265  .715437]  ? refcount_warn_saturate+0xfb/0x110

 6293 19:41:19.577847  # [   65.727066] <4>[   68.354366] ------------[ cut here ]------------

 6294 19:41:19.580301   ? handle_bug+0x41/0x90

 6295 19:41:19.589427  # [   65.737459]  ? exc_invalid_op+0x14<4>[   68.366005] refcount_t: underflow; use-after-free.

 6296 19:41:19.591868  /0x70

 6297 19:41:19.595502  # [   65.748223]  ? asm_exc_invalid_op+0x12/0x20

 6298 19:41:19.605771  # [   6<4>[   68.378117] WARNING: CPU: 3 PID: 2252 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6299 19:41:19.610678  5.759419]  ? refcount_warn_saturate+0xfb/0x110

 6300 19:41:19.651972  # [   65.771006]<4>[   68.394052] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6301 19:41:19.655917    ? refcount_warn_saturate+0xfb/0x110

 6302 19:41:19.667405  # [   65.782836]  lkdtm_R<4>[   68.439952] CPU: 3 PID: 2252 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 6303 19:41:19.669767  EFCOUNT_DEC_ZERO+0x4d/0xbd

 6304 19:41:19.679903  # [   65.794197]  direct_entry.cold+<4>[   68.455111] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6305 19:41:19.681014  0x2c/0x38

 6306 19:41:19.685947  # [   65.805025]  full_proxy_write+0x56/0x80

 6307 19:41:19.692614  # [   6<4>[   68.468333] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6308 19:41:19.695439  5.815885]  vfs_write+0xea/0x3b0

 6309 19:41:19.720534  # [   65.825975]  ksys_write+0x<4>[   68.480553] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 ad 97 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7

 6310 19:41:19.721148  68/0xf0

 6311 19:41:19.724602  # [   65.836327]  do_syscall_64+0x33/0x40

 6312 19:41:19.731753  # [   65.846<4>[   68.508174] RSP: 0018:ffffbd9702a5fe40 EFLAGS: 00010286

 6313 19:41:19.736571  797]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6314 19:41:19.747234  # [   65.858965]<4>[   68.520415] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6315 19:41:19.749038   RIP: 0033:0x7ff7edaa4473

 6316 19:41:19.761362  # [   65.869294] Code: 8b 15 21 2a 0e<4>[   68.534902] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 6317 19:41:19.775775   00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 <4>[   68.549284] RBP: ffffffff97b82a08 R08: 0000000000000000 R09: 0000000000000000

 6318 19:41:19.790212  25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff<4>[   68.563890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6319 19:41:19.795392   ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6320 19:41:19.804912  # [   65.89<4>[   68.578235] R13: ffffbd9702a5ff10 R14: ffffbd9702a5ff10 R15: ffff9d50446d5000

 6321 19:41:19.820320  6881] RSP: 002b:00007ffd231151e8 EFLAGS: 00000246 ORIG_RAX: 0000<4>[   68.592667] FS:  00007f8687846580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 6322 19:41:19.821439  000000000001

 6323 19:41:19.833392  # [   65.911681] RAX: ffffffffffffffda RBX: 000000<4>[   68.608164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6324 19:41:19.836067  0000000012 RCX: 00007ff7edaa4473

 6325 19:41:19.847688  # [   65.926272] RDX: 00000000<4>[   68.621087] CR2: 00007f8687650000 CR3: 0000000105914000 CR4: 00000000003506e0

 6326 19:41:19.852809  00000012 RSI: 00007ff7ed998000 RDI: 0000000000000001

 6327 19:41:19.856570  # [   65.9<4>[   68.635499] Call Trace:

 6328 19:41:19.866511  40701] RBP: 00007ff7ed998000 R08: 00007ff7ed997010 R09: 00000000<4>[   68.644717]  ? __warn+0x80/0x110

 6329 19:41:19.868257  00000000

 6330 19:41:19.878224  # [   65.955106] R10: fffffffffffffbc5 R11: 0000000000<4>[   68.654872]  ? refcount_warn_saturate+0xba/0x110

 6331 19:41:19.881270  000246 R12: 0000000000000001

 6332 19:41:19.888836  # [   65.969562] R13: 000000000000<4>[   68.666494]  ? report_bug+0x9e/0xc0

 6333 19:41:19.893896  0001 R14: 0000000000020000 R15: 0000000000020000

 6334 19:41:19.899808  # [   65.98401<4>[   68.676852]  ? handle_bug+0x41/0x90

 6335 19:41:19.901067  8] irq event stamp: 0

 6336 19:41:19.910198  # [   65.993905] hardirqs last  enabled a<4>[   68.687304]  ? exc_invalid_op+0x14/0x70

 6337 19:41:19.913138  t (0): [<0000000000000000>] 0x0

 6338 19:41:19.920789  # [   66.007449] hardirqs last <4>[   68.698033]  ? asm_exc_invalid_op+0x12/0x20

 6339 19:41:19.927959  disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6340 19:41:19.932933  <4>[   68.709200]  ? refcount_warn_saturate+0xba/0x110

 6341 19:41:19.933359  

 6342 19:41:19.944967  # [   66.023041] softirqs last  enabled at (0): [<ffffffff95afd<4>[   68.720857]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6343 19:41:19.948647  6cc>] copy_process+0x65c/0x20e0

 6344 19:41:19.958429  # [   66.038710] softirqs last <4>[   68.733451]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6345 19:41:19.962525  disabled at (0): [<0000000000000000>] 0x0

 6346 19:41:19.970008  # [   66.052193] ---[<4>[   68.746204]  direct_entry.cold+0x2c/0x38

 6347 19:41:19.972438   end trace f8800554775ed3e7 ]---

 6348 19:41:19.980853  # [   66.063849] lkdtm: Zero d<4>[   68.757072]  full_proxy_write+0x56/0x80

 6349 19:41:19.982021  etected: saturated

 6350 19:41:19.985732  # REFCOUNT_DEC_ZERO: saw 'call trace:': ok

 6351 19:41:19.989779  <4>[   68.767828]  vfs_write+0xea/0x3b0

 6352 19:41:19.994698  ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6353 19:41:19.999837  # selftests: lkdtm<4>[   68.778030]  ksys_write+0x68/0xf0

 6354 19:41:20.002854  : REFCOUNT_DEC_NEGATIVE.sh

 6355 19:41:20.010806  # [   66.435577] lkdtm: Performing d<4>[   68.788222]  do_syscall_64+0x33/0x40

 6356 19:41:20.013877  irect entry REFCOUNT_DEC_NEGATIVE

 6357 19:41:20.022812  # [   66.448189] lkdtm: attem<4>[   68.798713]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6358 19:41:20.026573  pting bad refcount_dec() below zero

 6359 19:41:20.033584  # [   66.454732] ----------<4>[   68.810890] RIP: 0033:0x7f868775c473

 6360 19:41:20.036698  --[ cut here ]------------

 6361 19:41:20.061586  # [   66.460197] refcount_t: decreme<4>[   68.821366] 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

 6362 19:41:20.063105  nt hit 0; leaking memory.

 6363 19:41:20.075733  # [   66.466489] WARNING: CPU: 2 PID:<4>[   68.848861] RSP: 002b:00007ffff3698688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6364 19:41:20.081617   2178 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6365 19:41:20.090431  # <4>[   68.863800] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f868775c473

 6366 19:41:20.104779  [   66.476222] Modules linked in: fuse ip_tables cros_ec_debugfs<4>[   68.878260] RDX: 000000000000001f RSI: 00007f8687650000 RDI: 0000000000000001

 6367 19:41:20.118732   cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cro<4>[   68.892719] RBP: 00007f8687650000 R08: 00007f868764f010 R09: 0000000000000000

 6368 19:41:20.133595  s_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops<4>[   68.907210] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6369 19:41:20.148762   videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_<4>[   68.921654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6370 19:41:20.158891  common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_so<4>[   68.936163] irq event stamp: 0

 6371 19:41:20.171279  c_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeo<4>[   68.946059] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6372 19:41:20.174072  s_pstore coreboot_table

 6373 19:41:20.188511  # [   66.522436] CPU: 2 PID: 2178 Comm:<4>[   68.959597] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6374 19:41:20.192415   cat Tainted: G      D W         5.10.206-cip41 #1

 6375 19:41:20.202581  # [   66.531<4>[   68.975346] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6376 19:41:20.208671  392] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6377 19:41:20.216402  # [   <4>[   68.990926] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6378 19:41:20.222105  66.538312] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6379 19:41:20.228023  # [   66<4>[   69.004450] ---[ end trace f8800554775ed3ea ]---

 6380 19:41:20.239882  .544457] Code: f8 d9 ad 97 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0<6>[   69.016100] lkdtm: Negative detected: saturated

 6381 19:41:20.253395  f 0b c3 cc cc cc cc 48 c7 c7 c8 d9 ad 97 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6382 19:41:20.259643  # [   66.565719] RSP: 0018:ffffbd970295fe48 EFLAGS: 00010286

 6383 19:41:20.268437  # [   66.571859] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6384 19:41:20.275744  # [   66.580127] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50

 6385 19:41:20.284077  # [   66.588407] RBP: ffffffff97b82d93 R08: 0000000000000000 R09: 0000000000000000

 6386 19:41:20.292690  # [   66.596685] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6387 19:41:20.300111  # [   66.604952] R13: ffffbd970295ff10 R14: ffffbd970295ff10 R15: ffff9d5045b5f000

 6388 19:41:20.310485  # [   66.613219] FS:  00007ff3b73b0580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 6389 19:41:20.315624  # [   66.622544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6390 19:41:20.324351  # [   66.629265] CR2: 00007ff3b71ba000 CR3: 0000000103820000 CR4: 00000000003506e0

 6391 19:41:20.327425  # [   66.637528] Call Trace:

 6392 19:41:20.331680  # [   66.640579]  ? __warn+0x80/0x110

 6393 19:41:20.336110  # [   66.644493]  ? refcount_warn_saturate+0xfb/0x110

 6394 19:41:20.340854  # [   66.649965]  ? report_bug+0x9e/0xc0

 6395 19:41:20.344948  # [   66.654174]  ? handle_bug+0x41/0x90

 6396 19:41:20.348891  # [   66.658380]  ? exc_invalid_op+0x14/0x70

 6397 19:41:20.354085  # [   66.662968]  ? asm_exc_invalid_op+0x12/0x20

 6398 19:41:20.359301  # [   66.667956]  ? refcount_warn_saturate+0xfb/0x110

 6399 19:41:20.364277  # [   66.673422]  ? refcount_warn_saturate+0xfb/0x110

 6400 19:41:20.370221  # [   66.678892]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6401 19:41:20.374233  # [   66.684550]  direct_entry.cold+0x2c/0x38

 6402 19:41:20.379487  # [   66.689243]  full_proxy_write+0x56/0x80

 6403 19:41:20.382704  # [   66.693845]  vfs_write+0xea/0x3b0

 6404 19:41:20.386672  # [   66.697865]  ksys_write+0x68/0xf0

 6405 19:41:20.391269  # [   66.701871]  do_syscall_64+0x33/0x40

 6406 19:41:20.396552  # [   66.706169]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6407 19:41:20.401051  # [   66.712121] RIP: 0033:0x7ff3b72c6473

 6408 19:41:20.422675  # [   66.716419] 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

 6409 19:41:20.430726  # [   66.721563] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b)

 6410 19:41:20.439081  # [   66.743921] RSP: 002b:00007fff95266b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6411 19:41:20.445064  # [   66.761015] platform MX98357A:00: deferred probe pending

 6412 19:41:20.453319  # [   66.767214] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff3b72c6473

 6413 19:41:20.459314  # [   66.779641] pci 0000:00:1b.0: deferred probe pending

 6414 19:41:20.467545  # [   66.793749] RDX: 0000000000000016 RSI: 00007ff3b71ba000 RDI: 0000000000000001

 6415 19:41:20.475243  # [   66.802028] RBP: 00007ff3b71ba000 R08: 00007ff3b71b9010 R09: 0000000000000000

 6416 19:41:20.483781  # [   66.810315] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6417 19:41:20.491542  # [   66.818595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6418 19:41:20.495110  # [   66.826885] irq event stamp: 0

 6419 19:41:20.501965  # [   66.830607] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6420 19:41:20.511926  # [   66.837927] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6421 19:41:20.521037  # [   66.847375] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6422 19:41:20.528726  # [   66.856827] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6423 19:41:20.533203  # [   66.864141] ---[ end trace f8800554775ed3e8 ]---

 6424 19:41:20.539113  # [   66.869609] lkdtm: Negative detected: saturated

 6425 19:41:20.545060  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 6426 19:41:20.549748  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6427 19:41:20.555370  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6428 19:41:20.563133  # [   67.254141] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6429 19:41:20.570092  # [   67.268037] lkdtm: attempting bad refcount_dec_and_test() below zero

 6430 19:41:20.576426  # [   67.281643] ------------[ cut here ]------------

 6431 19:41:20.581201  # [   67.293364] refcount_t: underflow; use-after-free.

 6432 19:41:20.590431  # [   67.305249] WARNING: CPU: 3 PID: 2216 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6433 19:41:20.630973  # [   67.321081] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6434 19:41:20.640117  # [   67.367283] CPU: 3 PID: 2216 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 6435 19:41:20.646510  # [   67.382395] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6436 19:41:20.656544  # [   67.395527] RIP: 0010:refc<6>[   69.431232] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6437 19:41:20.660056  ount_warn_saturate+0xba/0x110

 6438 19:41:20.669803  # [   67.407893] Code: 02 01 e8 c<6>[   69.444013] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6439 19:41:20.680511  3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7<6>[   69.457621] lkdtm: Good: zero detected

 6440 19:41:20.692056   c7 a0 d9 ad 97 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 c<6>[   69.468329] lkdtm: Correctly stayed at zero

 6441 19:41:20.697126  c cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7

 6442 19:41:20.704935  # [   6<6>[   69.479515] lkdtm: attempting bad refcount_inc() from zero

 6443 19:41:20.709613  7.435341] RSP: 0018:ffffbd97029d7e40 EFLAGS: 00010286

 6444 19:41:20.715890  # [   67.<4>[   69.492133] ------------[ cut here ]------------

 6445 19:41:20.727729  447658] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000<4>[   69.503764] refcount_t: addition on 0; use-after-free.

 6446 19:41:20.729951  000000000

 6447 19:41:20.744464  # [   67.462136] RDX: ffff9d50bbdac620 RSI: ffff9d50b<4>[   69.516044] WARNING: CPU: 3 PID: 2285 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6448 19:41:20.746739  bd9bf50 RDI: ffff9d50bbd9bf50

 6449 19:41:20.789711  # [   67.476585] RBP: ffffffff97b<4>[   69.531901] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6450 19:41:20.794870  829e8 R08: 0000000000000000 R09: 0000000000000000

 6451 19:41:20.804882  # [   67.4910<4>[   69.578105] CPU: 3 PID: 2285 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 6452 19:41:20.817918  73] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000<4>[   69.593220] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6453 19:41:20.819403  0001f

 6454 19:41:20.831043  # [   67.505586] R13: ffffbd97029d7f10 R14: ffffbd97029d7<4>[   69.606346] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6455 19:41:20.833001  f10 R15: ffff9d5044339000

 6456 19:41:20.859018  # [   67.520039] FS:  00007f66206c858<4>[   69.618653] Code: 02 01 e8 09 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 ad 97 c6 05 05 fa 16 02 01 e8 e6 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 ad

 6457 19:41:20.864057  0(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 6458 19:41:20.869986  # [   <4>[   69.646106] RSP: 0018:ffffbd9702af7e48 EFLAGS: 00010286

 6459 19:41:20.876316  67.535586] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6460 19:41:20.885153  # <4>[   69.658401] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6461 19:41:20.898717  [   67.548537] CR2: 00007f66204d2000 CR3: 00000001064a8000 CR4: <4>[   69.672879] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 6462 19:41:20.901367  00000000003506e0

 6463 19:41:20.903796  # [   67.563263] Call Trace:

 6464 19:41:20.913200  # [   67.572231]<4>[   69.687337] RBP: ffffffff97b82da9 R08: 0000000000000000 R09: 0000000000000000

 6465 19:41:20.916397    ? __warn+0x80/0x110

 6466 19:41:20.928810  # [   67.582494]  ? refcount_warn_saturat<4>[   69.701850] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6467 19:41:20.929579  e+0xba/0x110

 6468 19:41:20.933651  # [   67.594137]  ? report_bug+0x9e/0xc0

 6469 19:41:20.942602  # [   67<4>[   69.716312] R13: ffffbd9702af7f10 R14: ffffbd9702af7f10 R15: ffff9d5045bad000

 6470 19:41:20.947438  .604466]  ? refcount_warn_saturate+0xba/0x110

 6471 19:41:20.957848  # [   67.616115] <4>[   69.730888] FS:  00007fbb80cfe580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 6472 19:41:20.960260   ? handle_bug+0x41/0x90

 6473 19:41:20.970709  # [   67.626493]  ? exc_invalid_op+0x14<4>[   69.746686] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6474 19:41:20.971883  /0x70

 6475 19:41:20.976658  # [   67.637275]  ? asm_exc_invalid_op+0x12/0x20

 6476 19:41:20.985273  # [   6<4>[   69.759337] CR2: 00007fbb80b08000 CR3: 0000000103f18000 CR4: 00000000003506e0

 6477 19:41:20.990346  7.648455]  ? refcount_warn_saturate+0xba/0x110

 6478 19:41:20.995533  # [   67.659997]<4>[   69.773991] Call Trace:

 6479 19:41:20.999323    __refcount_sub_and_test.constprop.0+0x3c/0x50

 6480 19:41:21.005429  # [   67.672736<4>[   69.783236]  ? __warn+0x80/0x110

 6481 19:41:21.010187  ]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6482 19:41:21.016537  # [   67.6853<4>[   69.793183]  ? refcount_warn_saturate+0x74/0x110

 6483 19:41:21.019757  31]  direct_entry.cold+0x2c/0x38

 6484 19:41:21.026691  # [   67.696354]  full_proxy_w<4>[   69.804866]  ? report_bug+0x9e/0xc0

 6485 19:41:21.028647  rite+0x56/0x80

 6486 19:41:21.033060  # [   67.707049]  vfs_write+0xea/0x3b0

 6487 19:41:21.037378  # [   67<4>[   69.815350]  ? handle_bug+0x41/0x90

 6488 19:41:21.040575  .717258]  ksys_write+0x68/0xf0

 6489 19:41:21.048374  # [   67.727468]  do_syscall_64+<4>[   69.825701]  ? exc_invalid_op+0x14/0x70

 6490 19:41:21.050259  0x33/0x40

 6491 19:41:21.059219  # [   67.738013]  entry_SYSCALL_64_after_hwframe+0x62<4>[   69.836494]  ? asm_exc_invalid_op+0x12/0x20

 6492 19:41:21.060055  /0xc7

 6493 19:41:21.064136  # [   67.750105] RIP: 0033:0x7f66205de473

 6494 19:41:21.071178  # [   67.76060<4>[   69.847683]  ? refcount_warn_saturate+0x74/0x110

 6495 19:41:21.082821  9] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff e<4>[   69.859392]  ? refcount_warn_saturate+0x74/0x110

 6496 19:41:21.095544  b b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00<4>[   69.871011]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6497 19:41:21.104879   0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 8<4>[   69.882507]  direct_entry.cold+0x2c/0x38

 6498 19:41:21.106570  9 54 24 18

 6499 19:41:21.115443  # [   67.788027] RSP: 002b:00007ffc58eaa4a8 EFLAGS: <4>[   69.893369]  full_proxy_write+0x56/0x80

 6500 19:41:21.119297  00000246 ORIG_RAX: 0000000000000001

 6501 19:41:21.126722  # [   67.803080] RAX: fffff<4>[   69.904194]  vfs_write+0xea/0x3b0

 6502 19:41:21.131943  fffffffffda RBX: 000000000000001f RCX: 00007f66205de473

 6503 19:41:21.135848  # [   6<4>[   69.914365]  ksys_write+0x68/0xf0

 6504 19:41:21.147124  7.817540] RDX: 000000000000001f RSI: 00007f66204d2000 RDI: 00000<4>[   69.924764]  do_syscall_64+0x33/0x40

 6505 19:41:21.148526  00000000001

 6506 19:41:21.159039  # [   67.832049] RBP: 00007f66204d2000 R08: 00007f6<4>[   69.935102]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6507 19:41:21.162111  6204d1010 R09: 0000000000000000

 6508 19:41:21.169641  # [   67.846492] R10: fffffffff<4>[   69.947357] RIP: 0033:0x7fbb80c14473

 6509 19:41:21.174235  ffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6510 19:41:21.196647  # [   67.86<4>[   69.957789] 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

 6511 19:41:21.211513  1011] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000<4>[   69.985314] RSP: 002b:00007ffc4645a448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6512 19:41:21.212635  0020000

 6513 19:41:21.218223  # [   67.875474] irq event stamp: 0

 6514 19:41:21.226163  # [   67.885313] h<4>[   70.000266] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbb80c14473

 6515 19:41:21.232117  ardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6516 19:41:21.240687  # [   67<4>[   70.014781] RDX: 0000000000000012 RSI: 00007fbb80b08000 RDI: 0000000000000001

 6517 19:41:21.255064  .898879] hardirqs last disabled at (0): [<ffffffff95afd6cc>] cop<4>[   70.029192] RBP: 00007fbb80b08000 R08: 00007fbb80b07010 R09: 0000000000000000

 6518 19:41:21.257819  y_process+0x65c/0x20e0

 6519 19:41:21.269637  # [   67.914471] softirqs last  enabled <4>[   70.043673] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6520 19:41:21.275065  at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6521 19:41:21.284188  # [   67<4>[   70.058139] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6522 19:41:21.294448  .930135] softirqs last disabled at (0): [<0000000000000000>] 0x0<4>[   70.072724] irq event stamp: 0

 6523 19:41:21.294956  

 6524 19:41:21.299745  # [   67.943648] ---[ end trace f8800554775ed3e9 ]---

 6525 19:41:21.307661  # [   6<4>[   70.082530] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6526 19:41:21.313034  7.955296] lkdtm: Negative detected: saturated

 6527 19:41:21.323302  # REFCOUNT_DEC_AN<4>[   70.096241] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6528 19:41:21.328953  D_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6529 19:41:21.339930  ok 48 s<4>[   70.111729] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6530 19:41:21.344186  elftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6531 19:41:21.352664  # selftests:<4>[   70.127428] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6532 19:41:21.357059   lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6533 19:41:21.364465  # [   68.326898] lkdt<4>[   70.140891] ---[ end trace f8800554775ed3eb ]---

 6534 19:41:21.370086  m: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6535 19:41:21.375316  # [  <6>[   70.152562] lkdtm: Zero detected: saturated

 6536 19:41:21.382268   68.341296] lkdtm: attempting bad refcount_sub_and_test() below zero

 6537 19:41:21.387868  # [   68.354366] ------------[ cut here ]------------

 6538 19:41:21.392988  # [   68.366005] refcount_t: underflow; use-after-free.

 6539 19:41:21.402913  # [   68.378117] WARNING: CPU: 3 PID: 2252 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6540 19:41:21.442511  # [   68.394052] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6541 19:41:21.451877  # [   68.439952] CPU: 3 PID: 2252 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 6542 19:41:21.458495  # [   68.455111] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6543 19:41:21.465103  # [   68.468333] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6544 19:41:21.485437  # [   68.480553] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 ad 97 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7

 6545 19:41:21.492068  # [   68.508174] RSP: 0018:ffffbd9702a5fe40 EFLAGS: 00010286

 6546 19:41:21.499767  # [   68.520415] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6547 19:41:21.507834  # [   68.534902] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 6548 19:41:21.516868  # [   68.549284] RBP: ffffffff97b82a08 R08: 0000000000000000 R09: 0000000000000000

 6549 19:41:21.524053  # [   68.563890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6550 19:41:21.532651  # [   68.578235] R13: ffffbd9702a5ff10 R14: ffffbd9702a5ff10 R15: ffff9d50446d5000

 6551 19:41:21.541395  # [   68.592667] FS:  00007f8687846580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 6552 19:41:21.548245  # [   68.608164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6553 19:41:21.556307  # [   68.621087] CR2: 00007f8687650000 CR3: 0000000105914000 CR4: 00000000003506e0

 6554 19:41:21.559929  # [   68.635499] Call Trace:

 6555 19:41:21.562586  # [   68.644717]  ? __warn+0x80/0x110

 6556 19:41:21.568426  # [   68.654872]  ? refcount_warn_saturate+0xba/0x110

 6557 19:41:21.572237  # [   68.666494]  ? report_bug+0x9e/0xc0

 6558 19:41:21.576270  # [   68.676852]  ? handle_bug+0x41/0x90

 6559 19:41:21.581001  # [   68.687304]  ? exc_invalid_op+0x14/0x70

 6560 19:41:21.585767  # [   68.698033]  ? asm_exc_invalid_op+0x12/0x20

 6561 19:41:21.590941  # [   68.709200]  ? refcount_warn_saturate+0xba/0x110

 6562 19:41:21.597990  # [   68.720857]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6563 19:41:21.603367  # [   68.733451]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6564 19:41:21.608223  # [   68.746204]  direct_entry.cold+0x2c/0x38

 6565 19:41:21.612893  # [   68.757072]  full_proxy_write+0x56/0x80

 6566 19:41:21.616484  # [   68.767828]  vfs_write+0xea/0x3b0

 6567 19:41:21.620800  # [   68.778030]  ksys_write+0x68/0xf0

 6568 19:41:21.624794  # [   68.788222]  do_syscall_64+0x33/0x40

 6569 19:41:21.630039  # [   68.798713]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6570 19:41:21.635499  # [   68.810890] RIP: 0033:0x7f868775c473

 6571 19:41:21.656239  # [   68.821366] 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

 6572 19:41:21.664644  # [   68.848861] RSP: 002b:00007ffff3698688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6573 19:41:21.672723  # [   68.863800] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f868775c473

 6574 19:41:21.680553  # [   68.878260] RDX: 000000000000001f RSI: 00007f8687650000 RDI: 0000000000000001

 6575 19:41:21.689136  # [   68.892719] RBP: 00007f8687650000 R08: 00007f868764f010 R09: 0000000000000000

 6576 19:41:21.696684  # [   68.907210] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6577 19:41:21.705199  # [   68.921654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6578 19:41:21.708921  # [   68.936163] irq event stamp: 0

 6579 19:41:21.716750  # [   68.946059] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6580 19:41:21.725568  # [   68.959597] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6581 19:41:21.734881  # [   68.975346] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6582 19:41:21.741283  # [   68.990926] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6583 19:41:21.748146  #<6>[   70.527372] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6584 19:41:21.755834  <6>[   70.536534] lkdtm: attempting safe refcount_add_not_zero() from zero

 6585 19:41:21.760974   [   69.004450] ---[ end trace f8800554775ed3ea ]---

 6586 19:41:21.766579  # [   69.0<6>[   70.543942] lkdtm: Good: zero detected

 6587 19:41:21.770732  16100] lkdtm: Negative detected: saturated

 6588 19:41:21.779034  # REFCOUNT_SUB_AND_T<6>[   70.554618] lkdtm: Correctly stayed at zero

 6589 19:41:21.782815  EST_NEGATIVE: saw 'Negative detected: saturated': ok

 6590 19:41:21.790994  ok 49 self<6>[   70.565776] lkdtm: attempting bad refcount_add() from zero

 6591 19:41:21.796377  <4>[   70.578416] ------------[ cut here ]------------

 6592 19:41:21.802693  <4>[   70.583889] refcount_t: addition on 0; use-after-free.

 6593 19:41:21.806911  tests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6594 19:41:21.817756  # selftests: lk<4>[   70.589995] WARNING: CPU: 0 PID: 2318 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6595 19:41:21.820672  dtm: REFCOUNT_INC_ZERO.sh

 6596 19:41:21.864577  # [   69.431232] lkdtm: Performing di<4>[   70.605923] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6597 19:41:21.867718  rect entry REFCOUNT_INC_ZERO

 6598 19:41:21.879020  # [   69.444013] lkdtm: attempting<4>[   70.652237] CPU: 0 PID: 2318 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 6599 19:41:21.883496   safe refcount_inc_not_zero() from zero

 6600 19:41:21.892097  # [   69.457621] lkdtm:<4>[   70.667377] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6601 19:41:21.898326  <4>[   70.680505] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6602 19:41:21.919429  <4>[   70.686646] Code: 02 01 e8 09 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 ad 97 c6 05 05 fa 16 02 01 e8 e6 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 ad

 6603 19:41:21.925484  <4>[   70.707921] RSP: 0018:ffffbd9702b87e48 EFLAGS: 00010286

 6604 19:41:21.934770  <4>[   70.714056] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6605 19:41:21.942134  <4>[   70.722316] RDX: ffff9d50bbc2c620 RSI: ffff9d50bbc1bf50 RDI: ffff9d50bbc1bf50

 6606 19:41:21.950775  <4>[   70.730580] RBP: ffffffff97b82dbb R08: 0000000000000000 R09: 0000000000000000

 6607 19:41:21.958508  <4>[   70.738845] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6608 19:41:21.966990  <4>[   70.747108] R13: ffffbd9702b87f10 R14: ffffbd9702b87f10 R15: ffff9d5046497000

 6609 19:41:21.976991  <4>[   70.755370] FS:  00007fac25305580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000

 6610 19:41:21.983845  <4>[   70.764705] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6611 19:41:21.991656  <4>[   70.771417] CR2: 00007fac2510f000 CR3: 0000000105914000 CR4: 00000000003506f0

 6612 19:41:21.994353  <4>[   70.779677] Call Trace:

 6613 19:41:21.998466  <4>[   70.782726]  ? __warn+0x80/0x110

 6614 19:41:22.000343   Good: zero detected

 6615 19:41:22.009849  # [   69.468329] lkdtm: Correctly stayed a<4>[   70.786636]  ? refcount_warn_saturate+0x74/0x110

 6616 19:41:22.014185  <4>[   70.798265]  ? report_bug+0x9e/0xc0

 6617 19:41:22.019072  <4>[   70.802470]  ? handle_bug+0x41/0x90

 6618 19:41:22.023191  <4>[   70.806668]  ? exc_invalid_op+0x14/0x70

 6619 19:41:22.028173  <4>[   70.811261]  ? asm_exc_invalid_op+0x12/0x20

 6620 19:41:22.034348  <4>[   70.816243]  ? refcount_warn_saturate+0x74/0x110

 6621 19:41:22.039498  <4>[   70.821703]  ? refcount_warn_saturate+0x74/0x110

 6622 19:41:22.044548  <4>[   70.827171]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 6623 19:41:22.045364  t zero

 6624 19:41:22.054761  # [   69.479515] lkdtm: attempting bad refcount_inc() fr<4>[   70.832445]  direct_entry.cold+0x2c/0x38

 6625 19:41:22.060763  <4>[   70.843316]  full_proxy_write+0x56/0x80

 6626 19:41:22.061308  om zero

 6627 19:41:22.065684  # [   69.492133] ------------[ cut here ]------------

 6628 19:41:22.069631  <4>[   70.847919]  vfs_write+0xea/0x3b0

 6629 19:41:22.073644  <4>[   70.858100]  ksys_write+0x68/0xf0

 6630 19:41:22.078137  <4>[   70.862113]  do_syscall_64+0x33/0x40

 6631 19:41:22.083950  <4>[   70.866421]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6632 19:41:22.088774  <4>[   70.872378] RIP: 0033:0x7fac2521b473

 6633 19:41:22.110298  <4>[   70.876683] 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

 6634 19:41:22.118839  <4>[   70.897957] RSP: 002b:00007ffdfb2038a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6635 19:41:22.126694  <4>[   70.906723] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fac2521b473

 6636 19:41:22.132883  # [   69.503764] refcount_t: addition on 0; use-after-free.

 6637 19:41:22.141388  # [<4>[   70.914986] RDX: 0000000000000012 RSI: 00007fac2510f000 RDI: 0000000000000001

 6638 19:41:22.150051  <4>[   70.929443] RBP: 00007fac2510f000 R08: 00007fac2510e010 R09: 0000000000000000

 6639 19:41:22.158262  <4>[   70.937704] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6640 19:41:22.172006     69.516044] WARNING: CPU: 3 PID: 2285 at lib/refcount.c:25 ref<4>[   70.945979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6641 19:41:22.175848  <4>[   70.960477] irq event stamp: 0

 6642 19:41:22.183775  <4>[   70.964192] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6643 19:41:22.192990  <4>[   70.971485] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6644 19:41:22.202536  <4>[   70.980918] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6645 19:41:22.209836  <4>[   70.990343] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6646 19:41:22.214991  <4>[   70.997639] ---[ end trace f8800554775ed3ec ]---

 6647 19:41:22.219953  <6>[   71.003092] lkdtm: Zero detected: saturated

 6648 19:41:22.222803  count_warn_saturate+0x74/0x110

 6649 19:41:22.263089  # [   69.531901] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6650 19:41:22.271969  # [   69.578105] CPU: 3 PID: 2285 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 6651 19:41:22.278573  # [   69.593220] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6652 19:41:22.284886  # [   69.606346] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6653 19:41:22.305785  # [   69.618653] Code: 02 01 e8 09 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 ad 97 c6 05 05 fa 16 02 01 e8 e6 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 ad

 6654 19:41:22.311658  # [   69.646106] RSP: 0018:ffffbd9702af7e48 EFLAGS: 00010286

 6655 19:41:22.320055  # [   69.658401] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6656 19:41:22.327723  # [   69.672879] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 6657 19:41:22.335717  # [   69.687337] RBP: ffffffff97b82da9 R08: 0000000000000000 R09: 0000000000000000

 6658 19:41:22.343947  # [   69.701850] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6659 19:41:22.352731  # [   69.716312] R13: ffffbd9702af7f10 R14: ffffbd9702af7f10 R15: ffff9d5045bad000

 6660 19:41:22.361301  # [   69.730888] FS:  00007fbb80cfe580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 6661 19:41:22.368008  # [   69.746686] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6662 19:41:22.375948  # [   69.759337] CR2: 00007fbb80b08000 CR3: 0000000103f18000 CR4: 00000000003506e0

 6663 19:41:22.378614  # [   69.773991] Call Trace:

 6664 19:41:22.383026  # [   69.783236]  ? __warn+0x80/0x110

 6665 19:41:22.388614  # [   69.793183]  ? refcount_warn_saturate+0x74/0x110

 6666 19:41:22.392201  # [   69.804866]  ? report_bug+0x9e/0xc0

 6667 19:41:22.396299  # [   69.815350]  ? handle_bug+0x41/0x90

 6668 19:41:22.400926  # [   69.825701]  ? exc_invalid_op+0x14/0x70

 6669 19:41:22.406144  # [   69.836494]  ? asm_exc_invalid_op+0x12/0x20

 6670 19:41:22.411751  # [   69.847683]  ? refcount_warn_saturate+0x74/0x110

 6671 19:41:22.416689  # [   69.859392]  ? refcount_warn_saturate+0x74/0x110

 6672 19:41:22.421576  # [   69.871011]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6673 19:41:22.426326  # [   69.882507]  direct_entry.cold+0x2c/0x38

 6674 19:41:22.431105  # [   69.893369]  full_proxy_write+0x56/0x80

 6675 19:41:22.434368  # [   69.904194]  vfs_write+0xea/0x3b0

 6676 19:41:22.438718  # [   69.914365]  ksys_write+0x68/0xf0

 6677 19:41:22.442764  # [   69.924764]  do_syscall_64+0x33/0x40

 6678 19:41:22.448345  # [   69.935102]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6679 19:41:22.452973  # [   69.947357] RIP: 0033:0x7fbb80c14473

 6680 19:41:22.474426  # [   69.957789] 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

 6681 19:41:22.482735  # [   69.985314] RSP: 002b:00007ffc4645a448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6682 19:41:22.490849  # [   70.000266] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbb80c14473

 6683 19:41:22.498545  # [   70.014781] RDX: 0000000000000012 RSI: 00007fbb80b08000 RDI: 0000000000000001

 6684 19:41:22.507012  # [   70.029192] RBP: 00007fbb80b08000 R08: 00007fbb80b07010 R09: 0000000000000000

 6685 19:41:22.515086  # [   70.043673] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6686 19:41:22.523141  # [   70.058139] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6687 19:41:22.526994  # [   70.072724] irq event stamp: 0

 6688 19:41:22.533524  # [   70.082530] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6689 19:41:22.543065  # [   70.096241] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6690 19:41:22.552287  # [   70.111729] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6691 19:41:22.560806  # [   70.127428] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6692 19:41:22.565634  # [   70.140891] ---[ end trace f8800554775ed3eb ]---

 6693 19:41:22.569594  # [   70.152562] lkdtm: Zero detected: saturated

 6694 19:41:22.574289  # REFCOUNT_INC_ZERO: saw 'call trace:': ok

 6695 19:41:22.578500  ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6696 19:41:22.582263  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6697 19:41:22.588700  # [   70.527372] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6698 19:41:22.596637  # [   70.536534] lkdtm: attempting safe refcount_add_not_zero() from zero

 6699 19:41:22.600273  # [   70.543942] lkdtm: Good: zero detected

 6700 19:41:22.612199  # [   70.554618] lkdtm: Correctly stayed <6>[   71.388793] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 6701 19:41:22.613000  at zero

 6702 19:41:22.624594  # [   70.565776] lkdtm: attempting bad refcount_add() f<6>[   71.400018] lkdtm: attempting bad refcount_inc() from saturated

 6703 19:41:22.631111  <4>[   71.413147] ------------[ cut here ]------------

 6704 19:41:22.635961  <4>[   71.418615] refcount_t: saturated; leaking memory.

 6705 19:41:22.645928  <4>[   71.424319] WARNING: CPU: 1 PID: 2354 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6706 19:41:22.647063  rom zero

 6707 19:41:22.652063  # [   70.578416] ------------[ cut here ]------------

 6708 19:41:22.692010  <4>[   71.434055] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6709 19:41:22.701555  <4>[   71.480257] CPU: 1 PID: 2354 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 6710 19:41:22.707886  <4>[   71.489219] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6711 19:41:22.713860  <4>[   71.496143] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6712 19:41:22.735757  <4>[   71.502294] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 48 d9 ad 97 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 ad

 6713 19:41:22.741963  <4>[   71.523544] RSP: 0018:ffffbd9702c07e48 EFLAGS: 00010286

 6714 19:41:22.749987  <4>[   71.529682] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 6715 19:41:22.758442  <4>[   71.537946] RDX: ffff9d50bbcac620 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50

 6716 19:41:22.767183  <4>[   71.546218] RBP: ffffffff97b82dcd R08: 0000000000000000 R09: 0000000000000000

 6717 19:41:22.774537  <4>[   71.554484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6718 19:41:22.783156  <4>[   71.562747] R13: ffffbd9702c07f10 R14: ffffbd9702c07f10 R15: ffff9d504383e000

 6719 19:41:22.783584  

 6720 19:41:22.789316  # [   70.583889] refcount_t: addition on 0; use-after-free.

 6721 19:41:22.798493  # <4>[   71.571024] FS:  00007f288a07e580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 6722 19:41:22.805196  <4>[   71.586546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6723 19:41:22.813592  <4>[   71.593266] CR2: 00007f2889e88000 CR3: 0000000104242000 CR4: 00000000003506e0

 6724 19:41:22.817249  <4>[   71.601543] Call Trace:

 6725 19:41:22.820301  <4>[   71.604594]  ? __warn+0x80/0x110

 6726 19:41:22.826383  <4>[   71.608507]  ? refcount_warn_saturate+0x51/0x110

 6727 19:41:22.829949  <4>[   71.613985]  ? report_bug+0x9e/0xc0

 6728 19:41:22.834650  <4>[   71.618202]  ? handle_bug+0x41/0x90

 6729 19:41:22.839004  <4>[   71.622409]  ? exc_invalid_op+0x14/0x70

 6730 19:41:22.843660  <4>[   71.627003]  ? asm_exc_invalid_op+0x12/0x20

 6731 19:41:22.855593  [   70.589995] WARNING: CPU: 0 PID: 2318 at lib/refcount.c:25 re<4>[   71.631991]  ? refcount_warn_saturate+0x51/0x110

 6732 19:41:22.861818  <4>[   71.643617]  ? refcount_warn_saturate+0x51/0x110

 6733 19:41:22.866896  <4>[   71.649078]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 6734 19:41:22.872403  <4>[   71.654831]  direct_entry.cold+0x2c/0x38

 6735 19:41:22.875788  <4>[   71.659517]  full_proxy_write+0x56/0x80

 6736 19:41:22.879954  <4>[   71.664116]  vfs_write+0xea/0x3b0

 6737 19:41:22.883598  fcount_warn_saturate+0x74/0x110

 6738 19:41:22.889993  # [   70.605923] Modules linked<4>[   71.668135]  ksys_write+0x68/0xf0

 6739 19:41:22.901824   in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_<4>[   71.678355]  do_syscall_64+0x33/0x40

 6740 19:41:22.913500  logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc <4>[   71.688843]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6741 19:41:22.917167  <4>[   71.700986] RIP: 0033:0x7f2889f94473

 6742 19:41:22.938673  <4>[   71.705287] 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

 6743 19:41:22.947012  <4>[   71.726543] RSP: 002b:00007fff2beb2828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6744 19:41:22.955538  <4>[   71.735354] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f2889f94473

 6745 19:41:22.963694  <4>[   71.743658] RDX: 0000000000000017 RSI: 00007f2889e88000 RDI: 0000000000000001

 6746 19:41:22.972618  <4>[   71.751924] RBP: 00007f2889e88000 R08: 00007f2889e87010 R09: 0000000000000000

 6747 19:41:22.980060  <4>[   71.760188] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6748 19:41:22.988523  <4>[   71.768464] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6749 19:41:22.993064  <4>[   71.776749] irq event stamp: 0

 6750 19:41:23.000306  <4>[   71.780466] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6751 19:41:23.009768  <4>[   71.787768] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6752 19:41:23.018889  <4>[   71.797193] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6753 19:41:23.025549  <4>[   71.806620] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6754 19:41:23.032010  <4>[   71.813923] ---[ end trace f8800554775ed3ed ]---

 6755 19:41:23.037291  <6>[   71.819389] lkdtm: Saturation detected: still saturated

 6756 19:41:23.061764  cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6757 19:41:23.070761  # [   70.652237] CPU: 0 PID: 2318 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 6758 19:41:23.077822  # [   70.667377] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6759 19:41:23.083669  # [   70.680505] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6760 19:41:23.105287  # [   70.686646] Code: 02 01 e8 09 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 ad 97 c6 05 05 fa 16 02 01 e8 e6 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 ad

 6761 19:41:23.110796  # [   70.707921] RSP: 0018:ffffbd9702b87e48 EFLAGS: 00010286

 6762 19:41:23.119178  # [   70.714056] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6763 19:41:23.127317  # [   70.722316] RDX: ffff9d50bbc2c620 RSI: ffff9d50bbc1bf50 RDI: ffff9d50bbc1bf50

 6764 19:41:23.135653  # [   70.730580] RBP: ffffffff97b82dbb R08: 0000000000000000 R09: 0000000000000000

 6765 19:41:23.143118  # [   70.738845] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6766 19:41:23.151075  # [   70.747108] R13: ffffbd9702b87f10 R14: ffffbd9702b87f10 R15: ffff9d5046497000

 6767 19:41:23.160367  # [   70.755370] FS:  00007fac25305580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000

 6768 19:41:23.167314  # [   70.764705] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6769 19:41:23.175155  # [   70.771417] CR2: 00007fac2510f000 CR3: 0000000105914000 CR4: 00000000003506f0

 6770 19:41:23.177982  # [   70.779677] Call Trace:

 6771 19:41:23.182031  # [   70.782726]  ? __warn+0x80/0x110

 6772 19:41:23.187488  # [   70.786636]  ? refcount_warn_saturate+0x74/0x110

 6773 19:41:23.191609  # [   70.798265]  ? report_bug+0x9e/0xc0

 6774 19:41:23.195451  # [   70.802470]  ? handle_bug+0x41/0x90

 6775 19:41:23.200043  # [   70.806668]  ? exc_invalid_op+0x14/0x70

 6776 19:41:23.205148  # [   70.811261]  ? asm_exc_invalid_op+0x12/0x20

 6777 19:41:23.209877  # [   70.816243]  ? refcount_warn_saturate+0x74/0x110

 6778 19:41:23.216180  # [   70.821703]  ? refcount_warn_saturate+0x74/0x110

 6779 19:41:23.221838  # [   70.827171]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 6780 19:41:23.225327  # [   70.832445]  direct_entry.cold+0x2c/0x38

 6781 19:41:23.229470  # [   70.843316]  full_proxy_write+0x56/0x80

 6782 19:41:23.234000  # [   70.847919]  vfs_write+0xea/0x3b0

 6783 19:41:23.237258  # [   70.858100]  ksys_write+0x68/0xf0

 6784 19:41:23.241201  # [   70.862113]  do_syscall_64+0x33/0x40

 6785 19:41:23.247543  # [   70.866421]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6786 19:41:23.251890  # [   70.872378] RIP: 0033:0x7fac2521b473

 6787 19:41:23.272644  # [   70.876683] 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

 6788 19:41:23.280931  # [   70.897957] RSP: 002b:00007ffdfb2038a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6789 19:41:23.289412  # [   70.906723] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fac2521b473

 6790 19:41:23.298282  # [   70.914986] RDX: 0000000000000012 RSI: 00007fac2510f000 RDI: 0000000000000001

 6791 19:41:23.306239  # [   70.929443] RBP: 00007fac2510f000 R08: 00007fac2510e010 R09: 0000000000000000

 6792 19:41:23.314113  # [   70.937704] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6793 19:41:23.321932  # [   70.945979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6794 19:41:23.325517  # [   70.960477] irq event stamp: 0

 6795 19:41:23.332653  # [   70.964192] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6796 19:41:23.342974  # [   70.971485] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6797 19:41:23.351074  # [   70.980918] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6798 19:41:23.358672  # [   70.990343] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6799 19:41:23.364804  # [   70.997639] ---[ end trace f8800554775ed3ec ]---

 6800 19:41:23.368579  # [   71.003092] lkdtm: Zero detected: saturated

 6801 19:41:23.373701  # REFCOUNT_ADD_ZERO: saw 'call trace:': ok

 6802 19:41:23.377475  ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6803 19:41:23.383205  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 6804 19:41:23.389509  # [   71.388793] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 6805 19:41:23.395921  # [   71.400018] lkdtm: attempting bad refcount_inc() from saturated

 6806 19:41:23.400961  # [   71.413147] ------------[ cut here ]------------

 6807 19:41:23.406930  # [   71.418615] refcount_t: saturated; leaking memory.

 6808 19:41:23.416729  # [   71.424319] WARNING: CPU: 1 PID: 2354 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6809 19:41:23.441758  # [   71.434055] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_m<6>[   72.220121] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 6810 19:41:23.449994  <6>[   72.229727] lkdtm: attempting bad refcount_dec() from saturated

 6811 19:41:23.454375  <4>[   72.236661] ------------[ cut here ]------------

 6812 19:41:23.459982  <4>[   72.242120] refcount_t: decrement hit 0; leaking memory.

 6813 19:41:23.469906  <4>[   72.248405] WARNING: CPU: 2 PID: 2390 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6814 19:41:23.516174  emops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev video<4>[   72.258124] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6815 19:41:23.525085  <4>[   72.304329] CPU: 2 PID: 2390 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 6816 19:41:23.532329  <4>[   72.313272] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6817 19:41:23.538527  <4>[   72.320196] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6818 19:41:23.559404  <4>[   72.326331] Code: f8 d9 ad 97 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c8 d9 ad 97 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6819 19:41:23.565332  <4>[   72.347582] RSP: 0018:ffffbd9702c87e48 EFLAGS: 00010286

 6820 19:41:23.573632  <4>[   72.353720] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 6821 19:41:23.582326  <4>[   72.361992] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50

 6822 19:41:23.590946  <4>[   72.370271] RBP: ffffffff97b82de4 R08: 0000000000000000 R09: 0000000000000000

 6823 19:41:23.599258  <4>[   72.378544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6824 19:41:23.607116  <4>[   72.386810] R13: ffffbd9702c87f10 R14: ffffbd9702c87f10 R15: ffff9d5045809000

 6825 19:41:23.616243  <4>[   72.395083] FS:  00007fdca35ac580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 6826 19:41:23.623079  <4>[   72.404415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6827 19:41:23.631817  <4>[   72.411130] CR2: 00007fdca33b6000 CR3: 00000001064a8000 CR4: 00000000003506e0

 6828 19:41:23.634194  <4>[   72.419393] Call Trace:

 6829 19:41:23.637772  <4>[   72.422445]  ? __warn+0x80/0x110

 6830 19:41:23.644320  <4>[   72.426361]  ? refcount_warn_saturate+0xfb/0x110

 6831 19:41:23.647595  <4>[   72.431836]  ? report_bug+0x9e/0xc0

 6832 19:41:23.651995  <4>[   72.436050]  ? handle_bug+0x41/0x90

 6833 19:41:23.656870  <4>[   72.440258]  ? exc_invalid_op+0x14/0x70

 6834 19:41:23.661853  <4>[   72.444854]  ? asm_exc_invalid_op+0x12/0x20

 6835 19:41:23.667073  <4>[   72.449840]  ? refcount_warn_saturate+0xfb/0x110

 6836 19:41:23.672646  <4>[   72.455308]  ? refcount_warn_saturate+0xfb/0x110

 6837 19:41:23.678292  <4>[   72.460781]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 6838 19:41:23.683120  <4>[   72.466541]  direct_entry.cold+0x2c/0x38

 6839 19:41:23.687697  <4>[   72.471244]  full_proxy_write+0x56/0x80

 6840 19:41:23.692114  <4>[   72.475853]  vfs_write+0xea/0x3b0

 6841 19:41:23.695953  <4>[   72.479873]  ksys_write+0x68/0xf0

 6842 19:41:23.699804  <4>[   72.483895]  do_syscall_64+0x33/0x40

 6843 19:41:23.705852  <4>[   72.488200]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6844 19:41:23.716351  buf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify s<4>[   72.494163] RIP: 0033:0x7fdca34c2473

 6845 19:41:23.743750  nd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c ch<4>[   72.504674] 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

 6846 19:41:23.752693  <4>[   72.532127] RSP: 002b:00007ffd426c0678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6847 19:41:23.760615  <4>[   72.540891] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fdca34c2473

 6848 19:41:23.768788  <4>[   72.549168] RDX: 0000000000000017 RSI: 00007fdca33b6000 RDI: 0000000000000001

 6849 19:41:23.777369  <4>[   72.557486] RBP: 00007fdca33b6000 R08: 00007fdca33b5010 R09: 0000000000000000

 6850 19:41:23.780530  romeos_pstore coreboot_table

 6851 19:41:23.792861  # [   71.480257] CPU: 1 PID: 2354 <4>[   72.565795] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6852 19:41:23.800882  <4>[   72.580276] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6853 19:41:23.805015  <4>[   72.588570] irq event stamp: 0

 6854 19:41:23.811932  <4>[   72.592296] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6855 19:41:23.820768  <4>[   72.599610] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6856 19:41:23.830468  <4>[   72.609060] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6857 19:41:23.837407  <4>[   72.618508] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6858 19:41:23.843298  <4>[   72.625819] ---[ end trace f8800554775ed3ee ]---

 6859 19:41:23.848975  <6>[   72.631286] lkdtm: Saturation detected: still saturated

 6860 19:41:23.855533  Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 6861 19:41:23.861697  # [   71.489219] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6862 19:41:23.868104  # [   71.496143] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6863 19:41:23.888613  # [   71.502294] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 48 d9 ad 97 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 ad

 6864 19:41:23.895143  # [   71.523544] RSP: 0018:ffffbd9702c07e48 EFLAGS: 00010286

 6865 19:41:23.903940  # [   71.529682] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 6866 19:41:23.911942  # [   71.537946] RDX: ffff9d50bbcac620 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50

 6867 19:41:23.919645  # [   71.546218] RBP: ffffffff97b82dcd R08: 0000000000000000 R09: 0000000000000000

 6868 19:41:23.927341  # [   71.554484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6869 19:41:23.935680  # [   71.562747] R13: ffffbd9702c07f10 R14: ffffbd9702c07f10 R15: ffff9d504383e000

 6870 19:41:23.944929  # [   71.571024] FS:  00007f288a07e580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 6871 19:41:23.951465  # [   71.586546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6872 19:41:23.959767  # [   71.593266] CR2: 00007f2889e88000 CR3: 0000000104242000 CR4: 00000000003506e0

 6873 19:41:23.962286  # [   71.601543] Call Trace:

 6874 19:41:23.967117  # [   71.604594]  ? __warn+0x80/0x110

 6875 19:41:23.971794  # [   71.608507]  ? refcount_warn_saturate+0x51/0x110

 6876 19:41:23.975599  # [   71.613985]  ? report_bug+0x9e/0xc0

 6877 19:41:23.980205  # [   71.618202]  ? handle_bug+0x41/0x90

 6878 19:41:23.985067  # [   71.622409]  ? exc_invalid_op+0x14/0x70

 6879 19:41:23.989663  # [   71.627003]  ? asm_exc_invalid_op+0x12/0x20

 6880 19:41:23.994777  # [   71.631991]  ? refcount_warn_saturate+0x51/0x110

 6881 19:41:24.000236  # [   71.643617]  ? refcount_warn_saturate+0x51/0x110

 6882 19:41:24.005978  # [   71.649078]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 6883 19:41:24.010668  # [   71.654831]  direct_entry.cold+0x2c/0x38

 6884 19:41:24.014768  # [   71.659517]  full_proxy_write+0x56/0x80

 6885 19:41:24.018121  # [   71.664116]  vfs_write+0xea/0x3b0

 6886 19:41:24.022544  # [   71.668135]  ksys_write+0x68/0xf0

 6887 19:41:24.026739  # [   71.678355]  do_syscall_64+0x33/0x40

 6888 19:41:24.031968  # [   71.688843]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6889 19:41:24.036620  # [   71.700986] RIP: 0033:0x7f2889f94473

 6890 19:41:24.056893  # [   71.705287] 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

 6891 19:41:24.065968  # [   71.726543] RSP: 002b:00007fff2beb2828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6892 19:41:24.073771  # [   71.735354] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f2889f94473

 6893 19:41:24.082542  # [   71.743658] RDX: 0000000000000017 RSI: 00007f2889e88000 RDI: 0000000000000001

 6894 19:41:24.090509  # [   71.751924] RBP: 00007f2889e88000 R08: 00007f2889e87010 R09: 0000000000000000

 6895 19:41:24.098431  # [   71.760188] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6896 19:41:24.106543  # [   71.768464] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6897 19:41:24.110487  # [   71.776749] irq event stamp: 0

 6898 19:41:24.117972  # [   71.780466] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6899 19:41:24.127090  # [   71.787768] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6900 19:41:24.136472  # [   71.797193] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6901 19:41:24.143857  # [   71.806620] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6902 19:41:24.149034  # [   71.813923] ---[ end trace f8800554775ed3ed ]---

 6903 19:41:24.154560  # [   71.819389] lkdtm: Saturation detected: still saturated

 6904 19:41:24.162043  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 6905 19:41:24.167024  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 6906 19:41:24.171435  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 6907 19:41:24.178666  # [   72.220121] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 6908 19:41:24.185079  # [   72.229727] lkdtm: attempting bad refcount_dec() from saturated

 6909 19:41:24.190583  # [   72.236661] ------------[ cut here ]------------

 6910 19:41:24.196222  # [   72.242120] refcount_t: decrement hit 0; leaking memory.

 6911 19:41:24.205973  # [   72.248405] WARNING: CPU: 2 PID: 2390 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6912 19:41:24.234602  # [   72.258124] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_te<6>[   73.015596] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 6913 19:41:24.241721  <6>[   73.023395] lkdtm: attempting bad refcount_dec() from saturated

 6914 19:41:24.253175  mp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_m<4>[   73.030340] ------------[ cut here ]------------

 6915 19:41:24.265376  ax98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd<4>[   73.042004] refcount_t: saturated; leaking memory.

 6916 19:41:24.271289  _pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6917 19:41:24.281182  # [   <4>[   73.053915] WARNING: CPU: 0 PID: 2426 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6918 19:41:24.327671  72.304329] CPU: 2 PID: 2390 Comm: cat Tainted: G      D W       <4>[   73.069823] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 6919 19:41:24.337366  <4>[   73.116099] CPU: 0 PID: 2426 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 6920 19:41:24.338938    5.10.206-cip41 #1

 6921 19:41:24.350079  # [   72.313272] Hardware name: Google Cora<4>[   73.125067] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 6922 19:41:24.356273  <4>[   73.138182] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6923 19:41:24.377085  <4>[   73.144324] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 48 d9 ad 97 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 ad

 6924 19:41:24.384709  <4>[   73.165607] RSP: 0018:ffffbd9702cffe48 EFLAGS: 00010286

 6925 19:41:24.392326  <4>[   73.171756] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 6926 19:41:24.399977  <4>[   73.180038] RDX: ffff9d50bbc2c620 RSI: ffff9d50bbc1bf50 RDI: ffff9d50bbc1bf50

 6927 19:41:24.408571  <4>[   73.188319] RBP: ffffffff97b82dfb R08: 0000000000000000 R09: 0000000000000000

 6928 19:41:24.417534  <4>[   73.196586] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6929 19:41:24.425686  <4>[   73.204856] R13: ffffbd9702cfff10 R14: ffffbd9702cfff10 R15: ffff9d5045ade000

 6930 19:41:24.434438  <4>[   73.213128] FS:  00007f84ac5e2580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000

 6931 19:41:24.441433  <4>[   73.222452] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6932 19:41:24.449629  <4>[   73.229180] CR2: 00007f84ac3ec000 CR3: 0000000105914000 CR4: 00000000003506f0

 6933 19:41:24.452288  <4>[   73.237451] Call Trace:

 6934 19:41:24.456593  <4>[   73.240500]  ? __warn+0x80/0x110

 6935 19:41:24.458974  l/Coral, BIOS  09/29/2020

 6936 19:41:24.467603  # [   72.320196] RIP: 0010:refcount_w<4>[   73.244414]  ? refcount_warn_saturate+0x51/0x110

 6937 19:41:24.471940  <4>[   73.256053]  ? report_bug+0x9e/0xc0

 6938 19:41:24.475998  <4>[   73.260265]  ? handle_bug+0x41/0x90

 6939 19:41:24.480802  <4>[   73.264470]  ? exc_invalid_op+0x14/0x70

 6940 19:41:24.486040  <4>[   73.269063]  ? asm_exc_invalid_op+0x12/0x20

 6941 19:41:24.491170  <4>[   73.274046]  ? refcount_warn_saturate+0x51/0x110

 6942 19:41:24.496654  <4>[   73.279517]  ? refcount_warn_saturate+0x51/0x110

 6943 19:41:24.502141  <4>[   73.284986]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 6944 19:41:24.505288  arn_saturate+0xfb/0x110

 6945 19:41:24.512943  # [   72.326331] Code: f8 d9 ad 97 c6 0<4>[   73.290737]  direct_entry.cold+0x2c/0x38

 6946 19:41:24.523725  5 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c8<4>[   73.301609]  full_proxy_write+0x56/0x80

 6947 19:41:24.529094  <4>[   73.312397]  vfs_write+0xea/0x3b0

 6948 19:41:24.537851   d9 ad 97 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc c<4>[   73.316401]  ksys_write+0x68/0xf0

 6949 19:41:24.543827  c cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6950 19:41:24.548615  # [   72.3475<4>[   73.326602]  do_syscall_64+0x33/0x40

 6951 19:41:24.555023  <4>[   73.337109]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6952 19:41:24.558874  <4>[   73.343062] RIP: 0033:0x7f84ac4f8473

 6953 19:41:24.581486  <4>[   73.347365] 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

 6954 19:41:24.585083  82] RSP: 0018:ffffbd9702c87e48 EFLAGS: 00010286

 6955 19:41:24.595379  # [   72.353720<4>[   73.368679] RSP: 002b:00007ffc67f204b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6956 19:41:24.609874  ] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000<4>[   73.383649] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f84ac4f8473

 6957 19:41:24.618215  <4>[   73.398128] RDX: 0000000000000017 RSI: 00007f84ac3ec000 RDI: 0000000000000001

 6958 19:41:24.627895  <4>[   73.406404] RBP: 00007f84ac3ec000 R08: 00007f84ac3eb010 R09: 0000000000000000

 6959 19:41:24.634888  <4>[   73.414682] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6960 19:41:24.643814  <4>[   73.422961] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6961 19:41:24.646875  <4>[   73.431254] irq event stamp: 0

 6962 19:41:24.654082  <4>[   73.434968] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6963 19:41:24.663811  <4>[   73.442274] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6964 19:41:24.673374  <4>[   73.451715] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 6965 19:41:24.680971  <4>[   73.461163] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6966 19:41:24.685564  <4>[   73.468473] ---[ end trace f8800554775ed3ef ]---

 6967 19:41:24.692818  <6>[   73.473941] lkdtm: Saturation detected: still saturated

 6968 19:41:24.693292  000

 6969 19:41:24.700974  # [   72.361992] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50

 6970 19:41:24.708972  # [   72.370271] RBP: ffffffff97b82de4 R08: 0000000000000000 R09: 0000000000000000

 6971 19:41:24.718012  # [   72.378544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6972 19:41:24.725078  # [   72.386810] R13: ffffbd9702c87f10 R14: ffffbd9702c87f10 R15: ffff9d5045809000

 6973 19:41:24.735035  # [   72.395083] FS:  00007fdca35ac580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 6974 19:41:24.741188  # [   72.404415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6975 19:41:24.749133  # [   72.411130] CR2: 00007fdca33b6000 CR3: 00000001064a8000 CR4: 00000000003506e0

 6976 19:41:24.753058  # [   72.419393] Call Trace:

 6977 19:41:24.755762  # [   72.422445]  ? __warn+0x80/0x110

 6978 19:41:24.761444  # [   72.426361]  ? refcount_warn_saturate+0xfb/0x110

 6979 19:41:24.765120  # [   72.431836]  ? report_bug+0x9e/0xc0

 6980 19:41:24.769111  # [   72.436050]  ? handle_bug+0x41/0x90

 6981 19:41:24.774265  # [   72.440258]  ? exc_invalid_op+0x14/0x70

 6982 19:41:24.778734  # [   72.444854]  ? asm_exc_invalid_op+0x12/0x20

 6983 19:41:24.783723  # [   72.449840]  ? refcount_warn_saturate+0xfb/0x110

 6984 19:41:24.789178  # [   72.455308]  ? refcount_warn_saturate+0xfb/0x110

 6985 19:41:24.794870  # [   72.460781]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 6986 19:41:24.799027  # [   72.466541]  direct_entry.cold+0x2c/0x38

 6987 19:41:24.804741  # [   72.471244]  full_proxy_write+0x56/0x80

 6988 19:41:24.807468  # [   72.475853]  vfs_write+0xea/0x3b0

 6989 19:41:24.811412  # [   72.479873]  ksys_write+0x68/0xf0

 6990 19:41:24.815353  # [   72.483895]  do_syscall_64+0x33/0x40

 6991 19:41:24.821915  # [   72.488200]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6992 19:41:24.825373  # [   72.494163] RIP: 0033:0x7fdca34c2473

 6993 19:41:24.846920  # [   72.504674] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6994 19:41:24.856065  # [   72.532127] RSP: 002b:00007ffd426c0678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6995 19:41:24.863825  # [   72.540891] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fdca34c2473

 6996 19:41:24.871917  # [   72.549168] RDX: 0000000000000017 RSI: 00007fdca33b6000 RDI: 0000000000000001

 6997 19:41:24.880195  # [   72.557486] RBP: 00007fdca33b6000 R08: 00007fdca33b5010 R09: 0000000000000000

 6998 19:41:24.888607  # [   72.565795] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6999 19:41:24.897095  # [   72.580276] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7000 19:41:24.899912  # [   72.588570] irq event stamp: 0

 7001 19:41:24.908003  # [   72.592296] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7002 19:41:24.916468  # [   72.599610] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7003 19:41:24.925735  # [   72.609060] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7004 19:41:24.933090  # [   72.618508] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7005 19:41:24.938261  # [   72.625819] ---[ end trace f8800554775ed3ee ]---

 7006 19:41:24.944237  # [   72.631286] lkdtm: Saturation detected: still saturated

 7007 19:41:24.951325  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok

 7008 19:41:24.957111  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 7009 19:41:24.961088  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7010 19:41:24.968568  # [   73.015596] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 7011 19:41:24.975133  # [   73.023395] lkdtm: attempting bad refcount_dec() from saturated

 7012 19:41:24.980051  # [   73.030340] ------------[ cut here ]------------

 7013 19:41:24.985665  # [   73.042004] refcount_t: saturated; leaking memory.

 7014 19:41:24.995088  # [   73.053915] WARNING: CPU: 0 PID: 2426 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 7015 19:41:25.035575  # [   73.069823] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7016 19:41:25.044126  # [   73.116099] CPU: 0 PID: 2426 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 7017 19:41:25.051064  # [   73.125067] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7018 19:41:25.057109  # [   73.138182] RIP: 0010:refcount_warn_saturate+0x51/0x110

 7019 19:41:25.072853  # [   73.144324] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 0<6>[   73.848401] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 7020 19:41:25.081069  <6>[   73.860769] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 7021 19:41:25.085780  <4>[   73.868575] ------------[ cut here ]------------

 7022 19:41:25.091598  <4>[   73.874040] refcount_t: saturated; leaking memory.

 7023 19:41:25.101312  <4>[   73.879746] WARNING: CPU: 2 PID: 2459 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7024 19:41:25.147316  2 00 75 ee 48 c7 c7 48 d9 ad 97 c6 05 29 fa 16 02 01 e8 09 f0 c5<4>[   73.889489] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7025 19:41:25.156584  <4>[   73.935673] CPU: 2 PID: 2459 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 7026 19:41:25.163133  <4>[   73.944637] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7027 19:41:25.169633  <4>[   73.951605] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7028 19:41:25.190704  <4>[   73.957784] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 ad 97 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 ad

 7029 19:41:25.197342  <4>[   73.979081] RSP: 0018:ffffbd9702d57e38 EFLAGS: 00010282

 7030 19:41:25.205850  <4>[   73.985231] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7031 19:41:25.213619  <4>[   73.993512] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50

 7032 19:41:25.222390  <4>[   74.001792] RBP: ffffffff97b82a28 R08: 0000000000000000 R09: 0000000000000000

 7033 19:41:25.230953  <4>[   74.010075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7034 19:41:25.238685  <4>[   74.018355] R13: ffffbd9702d57f10 R14: ffffbd9702d57f10 R15: ffff9d5044764000

 7035 19:41:25.247595  <4>[   74.026638] FS:  00007fcae1c99580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 7036 19:41:25.254928  <4>[   74.035978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7037 19:41:25.263584  <4>[   74.042697] CR2: 00007fcae1aa3000 CR3: 00000001027d6000 CR4: 00000000003506e0

 7038 19:41:25.266291  <4>[   74.050969] Call Trace:

 7039 19:41:25.276291   00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 7<4>[   74.054023]  ? __warn+0x80/0x110

 7040 19:41:25.281225  <4>[   74.064147]  ? refcount_warn_saturate+0x97/0x110

 7041 19:41:25.282467  0 d9 ad

 7042 19:41:25.291749  # [   73.165607] RSP: 0018:ffffbd9702cffe48 EFLAGS: 000<4>[   74.069621]  ? report_bug+0x9e/0xc0

 7043 19:41:25.292987  10286

 7044 19:41:25.303912  # [   73.171756] RAX: 0000000000000000 RBX: 0000000000000<4>[   74.080031]  ? handle_bug+0x41/0x90

 7045 19:41:25.306857  <4>[   74.090458]  ? exc_invalid_op+0x14/0x70

 7046 19:41:25.312234  <4>[   74.095058]  ? asm_exc_invalid_op+0x12/0x20

 7047 19:41:25.317269  <4>[   74.100049]  ? refcount_warn_saturate+0x97/0x110

 7048 19:41:25.323159  <4>[   74.105514]  ? refcount_warn_saturate+0x97/0x110

 7049 19:41:25.329594  <4>[   74.110982]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7050 19:41:25.335798  <4>[   74.117418]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 7051 19:41:25.338314  037 RCX: 0000000000000000

 7052 19:41:25.346605  # [   73.180038] RDX: ffff9d50bbc2c62<4>[   74.124041]  direct_entry.cold+0x2c/0x38

 7053 19:41:25.350781  0 RSI: ffff9d50bbc1bf50 RDI: ffff9d50bbc1bf50

 7054 19:41:25.357133  # [   73.188319] <4>[   74.134949]  full_proxy_write+0x56/0x80

 7055 19:41:25.368377  RBP: ffffffff97b82dfb R08: 0000000000000000 R09: 000000000000000<4>[   74.145737]  vfs_write+0xea/0x3b0

 7056 19:41:25.368463  0

 7057 19:41:25.378093  # [   73.196586] R10: 00000000ffffe000 R11: 3fffffffffffffff <4>[   74.155945]  ksys_write+0x68/0xf0

 7058 19:41:25.381904  <4>[   74.166170]  do_syscall_64+0x33/0x40

 7059 19:41:25.387496  <4>[   74.170481]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7060 19:41:25.392401  <4>[   74.176438] RIP: 0033:0x7fcae1baf473

 7061 19:41:25.413425  <4>[   74.180746] 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

 7062 19:41:25.415969  R12: 0000000000000017

 7063 19:41:25.429008  # [   73.204856] R13: ffffbd9702cfff10 R1<4>[   74.202021] RSP: 002b:00007fffe0291c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7064 19:41:25.437336  <4>[   74.216992] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcae1baf473

 7065 19:41:25.445404  <4>[   74.225276] RDX: 0000000000000020 RSI: 00007fcae1aa3000 RDI: 0000000000000001

 7066 19:41:25.453013  <4>[   74.233559] RBP: 00007fcae1aa3000 R08: 00007fcae1aa2010 R09: 0000000000000000

 7067 19:41:25.461249  <4>[   74.241837] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7068 19:41:25.470867  <4>[   74.250113] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7069 19:41:25.473491  <4>[   74.258389] irq event stamp: 0

 7070 19:41:25.480817  <4>[   74.262103] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7071 19:41:25.490293  <4>[   74.269404] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7072 19:41:25.499726  <4>[   74.278843] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7073 19:41:25.507802  <4>[   74.288283] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7074 19:41:25.512759  <4>[   74.295574] ---[ end trace f8800554775ed3f0 ]---

 7075 19:41:25.516962  4: ffffbd9702cfff10 R15: ffff9d5045ade000

 7076 19:41:25.524821  # [   73.213128] FS: <6>[   74.301030] lkdtm: Saturation detected: still saturated

 7077 19:41:25.532248   00007f84ac5e2580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000

 7078 19:41:25.538799  # [   73.222452] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7079 19:41:25.547746  # [   73.229180] CR2: 00007f84ac3ec000 CR3: 0000000105914000 CR4: 00000000003506f0

 7080 19:41:25.550441  # [   73.237451] Call Trace:

 7081 19:41:25.553794  # [   73.240500]  ? __warn+0x80/0x110

 7082 19:41:25.558791  # [   73.244414]  ? refcount_warn_saturate+0x51/0x110

 7083 19:41:25.563460  # [   73.256053]  ? report_bug+0x9e/0xc0

 7084 19:41:25.567453  # [   73.260265]  ? handle_bug+0x41/0x90

 7085 19:41:25.571197  # [   73.264470]  ? exc_invalid_op+0x14/0x70

 7086 19:41:25.576489  # [   73.269063]  ? asm_exc_invalid_op+0x12/0x20

 7087 19:41:25.582246  # [   73.274046]  ? refcount_warn_saturate+0x51/0x110

 7088 19:41:25.587350  # [   73.279517]  ? refcount_warn_saturate+0x51/0x110

 7089 19:41:25.593008  # [   73.284986]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 7090 19:41:25.597451  # [   73.290737]  direct_entry.cold+0x2c/0x38

 7091 19:41:25.601428  # [   73.301609]  full_proxy_write+0x56/0x80

 7092 19:41:25.605498  # [   73.312397]  vfs_write+0xea/0x3b0

 7093 19:41:25.610299  # [   73.316401]  ksys_write+0x68/0xf0

 7094 19:41:25.613596  # [   73.326602]  do_syscall_64+0x33/0x40

 7095 19:41:25.619700  # [   73.337109]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7096 19:41:25.624291  # [   73.343062] RIP: 0033:0x7f84ac4f8473

 7097 19:41:25.645267  # [   73.347365] 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

 7098 19:41:25.654186  # [   73.368679] RSP: 002b:00007ffc67f204b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7099 19:41:25.662169  # [   73.383649] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f84ac4f8473

 7100 19:41:25.670236  # [   73.398128] RDX: 0000000000000017 RSI: 00007f84ac3ec000 RDI: 0000000000000001

 7101 19:41:25.678399  # [   73.406404] RBP: 00007f84ac3ec000 R08: 00007f84ac3eb010 R09: 0000000000000000

 7102 19:41:25.686810  # [   73.414682] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7103 19:41:25.694688  # [   73.422961] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7104 19:41:25.698054  # [   73.431254] irq event stamp: 0

 7105 19:41:25.705289  # [   73.434968] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7106 19:41:25.714228  # [   73.442274] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7107 19:41:25.723642  # [   73.451715] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7108 19:41:25.730708  # [   73.461163] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7109 19:41:25.736917  # [   73.468473] ---[ end trace f8800554775ed3ef ]---

 7110 19:41:25.742266  # [   73.473941] lkdtm: Saturation detected: still saturated

 7111 19:41:25.749891  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok

 7112 19:41:25.754395  ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7113 19:41:25.759808  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7114 19:41:25.767628  # [   73.848401] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 7115 19:41:25.775729  # [   73.860769] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 7116 19:41:25.781044  # [   73.868575] ------------[ cut here ]------------

 7117 19:41:25.786347  # [   73.874040] refcount_t: saturated; leaking memory.

 7118 19:41:25.795570  # [   73.879746] WARNING: CPU: 2 PID: 2459 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7119 19:41:25.835369  # [   73.889489] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7120 19:41:25.844085  # [   73.935673] CPU: 2 PID: 2459 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 7121 19:41:25.851458  # [   73.944637] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7122 19:41:25.857692  # [   73.951605] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7123 19:41:25.878338  # [   73.957784] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 ad 97 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 ad

 7124 19:41:25.884435  # [   73.979081] RSP: 0018:ffffbd9702d57e38 EFLAGS: 00010282

 7125 19:41:25.892650  # [   73.985231] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7126 19:41:25.900917  # [   73.993512] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50

 7127 19:41:25.908828  # [   74.001792] RBP: ffffffff97b82a28 R08: 0000000000000000 R09: 0000000000000000

 7128 19:41:25.924701  # [   74.010075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000<6>[   74.703495] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 7129 19:41:25.931748  <6>[   74.712415] lkdtm: attempting bad refcount_add_not_zero() from saturated

 7130 19:41:25.938086  <4>[   74.720230] ------------[ cut here ]------------

 7131 19:41:25.943456  <4>[   74.725692] refcount_t: saturated; leaking memory.

 7132 19:41:25.953144  <4>[   74.731404] WARNING: CPU: 1 PID: 2492 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7133 19:41:25.953924  000020

 7134 19:41:25.998995  # [   74.018355] R13: ffffbd9702d57f10 R14: ffffbd9702d5<4>[   74.741146] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7135 19:41:26.008815  <4>[   74.787295] CPU: 1 PID: 2492 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 7136 19:41:26.014899  <4>[   74.796244] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7137 19:41:26.021089  <4>[   74.803157] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7138 19:41:26.042369  <4>[   74.809295] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 ad 97 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 ad

 7139 19:41:26.049778  <4>[   74.830539] RSP: 0018:ffffbd9702e07e38 EFLAGS: 00010282

 7140 19:41:26.057046  <4>[   74.836676] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7141 19:41:26.064822  <4>[   74.844940] RDX: ffff9d50bbcac620 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50

 7142 19:41:26.074876  <4>[   74.853209] RBP: ffffffff97b82a48 R08: 0000000000000000 R09: 0000000000000000

 7143 19:41:26.081757  <4>[   74.861486] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7144 19:41:26.089842  <4>[   74.869753] R13: ffffbd9702e07f10 R14: ffffbd9702e07f10 R15: ffff9d50426bb000

 7145 19:41:26.099036  <4>[   74.878018] FS:  00007f0178a7a580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 7146 19:41:26.106026  <4>[   74.887347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7147 19:41:26.114133  <4>[   74.894062] CR2: 00007f0178884000 CR3: 00000001067d0000 CR4: 00000000003506e0

 7148 19:41:26.116878  <4>[   74.902318] Call Trace:

 7149 19:41:26.120726  <4>[   74.905367]  ? __warn+0x80/0x110

 7150 19:41:26.126376  <4>[   74.909280]  ? refcount_warn_saturate+0x97/0x110

 7151 19:41:26.130489  <4>[   74.914765]  ? report_bug+0x9e/0xc0

 7152 19:41:26.140420  <6>[   74.915268] PDLOG 2024/01/05 19:39:44.729 P0 SNK Charger ??? 5023mV max 5000mV / 500mA

 7153 19:41:26.144106  <4>[   74.918987]  ? handle_bug+0x41/0x90

 7154 19:41:26.155040  <6>[   74.928608] PDLOG 2024/01/05 19:39:44.729 P1 SNK (not charging) Charger ??? 5000mV max 5000mV / 3000mA

 7155 19:41:26.159453  <4>[   74.932314]  ? exc_invalid_op+0x14/0x70

 7156 19:41:26.164132  <4>[   74.932322]  ? asm_exc_invalid_op+0x12/0x20

 7157 19:41:26.171805  <4>[   74.932337]  ? refcount_warn_saturate+0x97/0x110

 7158 19:41:26.172712  7f10 R15: ffff9d5044764000

 7159 19:41:26.186934  # [   74.026638] FS:  00007fcae1c995<6>[   74.943510] PDLOG 2024/01/05 19:39:44.738 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA

 7160 19:41:26.191864  <4>[   74.947598]  ? refcount_warn_saturate+0x97/0x110

 7161 19:41:26.198686  80(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000

 7162 19:41:26.204880  # [  <4>[   74.947606]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7163 19:41:26.210907   74.035978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7164 19:41:26.217305  #<4>[   74.947617]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 7165 19:41:26.232654   [   74.042697] CR2: 00007fcae1aa3000 CR3: 00000001027d6000 CR4:<6>[   74.953106] PDLOG 2024/01/05 19:39:44.744 P1 SNK Charger ??? 5050mV max 5000mV / 3000mA

 7166 19:41:26.237489  <4>[   74.958040]  direct_entry.cold+0x2c/0x38

 7167 19:41:26.248030  <6>[   74.976606] PDLOG 2024/01/05 19:39:44.776 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA

 7168 19:41:26.250459   00000000003506e0

 7169 19:41:26.253325  # [   74.050969] Call Trace:

 7170 19:41:26.259049  # [   74.054023<4>[   74.980286]  full_proxy_write+0x56/0x80

 7171 19:41:26.271390  <6>[   74.993396] PDLOG 2024/01/05 19:39:45.026 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA

 7172 19:41:26.273809  <4>[   75.005675]  vfs_write+0xea/0x3b0

 7173 19:41:26.277458  <4>[   75.005686]  ksys_write+0x68/0xf0

 7174 19:41:26.287518  <6>[   75.021591] PDLOG 2024/01/05 19:39:47.753 P1 SNK Charger Type-C 4977mV max 5000mV / 3000mA

 7175 19:41:26.291634  <4>[   75.025771]  do_syscall_64+0x33/0x40

 7176 19:41:26.297113  <4>[   75.025779]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7177 19:41:26.301449  <4>[   75.025791] RIP: 0033:0x7f0178990473

 7178 19:41:26.322884  <4>[   75.089919] 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

 7179 19:41:26.332121  <4>[   75.111156] RSP: 002b:00007ffc8d824d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7180 19:41:26.339779  <4>[   75.119929] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0178990473

 7181 19:41:26.349160  <4>[   75.128204] RDX: 0000000000000020 RSI: 00007f0178884000 RDI: 0000000000000001

 7182 19:41:26.356627  <4>[   75.136474] RBP: 00007f0178884000 R08: 00007f0178883010 R09: 0000000000000000

 7183 19:41:26.364846  <4>[   75.144741] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7184 19:41:26.373287  <4>[   75.153011] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7185 19:41:26.376924  <4>[   75.161298] irq event stamp: 0

 7186 19:41:26.379449  ]  ? __warn+0x80/0x110

 7187 19:41:26.389869  # [   74.064147]  ? refcount_warn_satura<4>[   75.165009] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7188 19:41:26.399593  <4>[   75.178510] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7189 19:41:26.409621  <4>[   75.187945] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7190 19:41:26.416696  <4>[   75.197375] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7191 19:41:26.422479  <4>[   75.204672] ---[ end trace f8800554775ed3f1 ]---

 7192 19:41:26.427765  <6>[   75.210126] lkdtm: Saturation detected: still saturated

 7193 19:41:26.430265  te+0x97/0x110

 7194 19:41:26.434365  # [   74.069621]  ? report_bug+0x9e/0xc0

 7195 19:41:26.437732  # [   74.080031]  ? handle_bug+0x41/0x90

 7196 19:41:26.442268  # [   74.090458]  ? exc_invalid_op+0x14/0x70

 7197 19:41:26.447278  # [   74.095058]  ? asm_exc_invalid_op+0x12/0x20

 7198 19:41:26.452401  # [   74.100049]  ? refcount_warn_saturate+0x97/0x110

 7199 19:41:26.457919  # [   74.105514]  ? refcount_warn_saturate+0x97/0x110

 7200 19:41:26.464801  # [   74.110982]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7201 19:41:26.470524  # [   74.117418]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 7202 19:41:26.475397  # [   74.124041]  direct_entry.cold+0x2c/0x38

 7203 19:41:26.479790  # [   74.134949]  full_proxy_write+0x56/0x80

 7204 19:41:26.483660  # [   74.145737]  vfs_write+0xea/0x3b0

 7205 19:41:26.487794  # [   74.155945]  ksys_write+0x68/0xf0

 7206 19:41:26.491632  # [   74.166170]  do_syscall_64+0x33/0x40

 7207 19:41:26.497939  # [   74.170481]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7208 19:41:26.501453  # [   74.176438] RIP: 0033:0x7fcae1baf473

 7209 19:41:26.522561  # [   74.180746] 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

 7210 19:41:26.532008  # [   74.202021] RSP: 002b:00007fffe0291c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7211 19:41:26.539785  # [   74.216992] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcae1baf473

 7212 19:41:26.548036  # [   74.225276] RDX: 0000000000000020 RSI: 00007fcae1aa3000 RDI: 0000000000000001

 7213 19:41:26.555602  # [   74.233559] RBP: 00007fcae1aa3000 R08: 00007fcae1aa2010 R09: 0000000000000000

 7214 19:41:26.563947  # [   74.241837] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7215 19:41:26.572417  # [   74.250113] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7216 19:41:26.575697  # [   74.258389] irq event stamp: 0

 7217 19:41:26.582925  # [   74.262103] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7218 19:41:26.592202  # [   74.269404] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7219 19:41:26.602950  # [   74.278843] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7220 19:41:26.608393  # [   74.288283] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7221 19:41:26.614026  # [   74.295574] ---[ end trace f8800554775ed3f0 ]---

 7222 19:41:26.620091  # [   74.301030] lkdtm: Saturation detected: still saturated

 7223 19:41:26.625631  # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7224 19:41:26.631294  ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7225 19:41:26.636440  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7226 19:41:26.644728  # [   74.703495] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 7227 19:41:26.652601  # [   74.712415] lkdtm: attempting bad refcount_add_not_zero() from saturated

 7228 19:41:26.657399  # [   74.720230] ------------[ cut here ]------------

 7229 19:41:26.663614  # [   74.725692] refcount_t: saturated; leaking memory.

 7230 19:41:26.672536  # [   74.731404] WARNING: CPU: 1 PID: 2492 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7231 19:41:26.712785  # [   74.741146] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7232 19:41:26.721181  # [   74.787295] CPU: 1 PID: 2492 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 7233 19:41:26.728369  # [   74.796244] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7234 19:41:26.734488  # [   74.803157] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7235 19:41:26.754953  # [   74.809295] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 ad 97 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 ad

 7236 19:41:26.760998  # [   74.830539] RSP: 0018:ffffbd9702e07e38 EFLAGS: 00010282

 7237 19:41:26.769251  # [   74.836676] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7238 19:41:26.777433  # [   74.844940] RDX: ffff9d50bbcac620 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50

 7239 19:41:26.787049  # [   74.853209] RBP: ffffffff97b82a48 R08: 0000000000000000 R09: 0000000000000000

 7240 19:41:26.794211  # [   74.861486] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7241 19:41:26.801220  # [   74.869753] R13: ffffbd9702e07f10 R14: ffffbd9702e07f10 R15: ffff9d50426bb000

 7242 19:41:26.812011  # [   74.878018] FS:  00007f0178a7a580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 7243 19:41:26.818241  # [   74.887347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7244 19:41:26.826865  # [   74.8940<6>[   75.605762] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7245 19:41:26.841269  62] CR2: 00007f0178884000 CR3: 00000001067d0000 CR4: 00000000003<6>[   75.615265] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7246 19:41:26.841694  506e0

 7247 19:41:26.844162  # [   74.902318] Call Trace:

 7248 19:41:26.852243  # [   74.905367]  ? __warn+<4>[   75.629266] ------------[ cut here ]------------

 7249 19:41:26.854471  0x80/0x110

 7250 19:41:26.865061  # [   74.909280]  ? refcount_warn_saturate+0x97/0x11<4>[   75.640954] refcount_t: underflow; use-after-free.

 7251 19:41:26.865235  0

 7252 19:41:26.869342  # [   74.914765]  ? report_bug+0x9e/0xc0

 7253 19:41:26.880907  # [   74.915268] PD<4>[   75.652891] WARNING: CPU: 3 PID: 2528 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7254 19:41:26.927008  LOG 2024/01/05 19:39:44.729 P0 SNK Charger ??? 5023mV max 5000mV<4>[   75.668755] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7255 19:41:26.928118   / 500mA

 7256 19:41:26.932250  # [   74.918987]  ? handle_bug+0x41/0x90

 7257 19:41:26.942444  # [   74.928<4>[   75.714927] CPU: 3 PID: 2528 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 7258 19:41:26.955847  608] PDLOG 2024/01/05 19:39:44.729 P1 SNK (not charging) Charger<4>[   75.730058] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7259 19:41:26.958368   ??? 5000mV max 5000mV / 3000mA

 7260 19:41:26.967219  # [   74.932314]  ? exc_invalid<4>[   75.743183] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7261 19:41:26.969104  _op+0x14/0x70

 7262 19:41:26.973728  # [   74.932322]  ? asm_exc_invalid_op+0x12/0x20

 7263 19:41:26.995780  <4>[   75.755541] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 ad 97 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7

 7264 19:41:26.996343  

 7265 19:41:27.000223  # [   74.932337]  ? refcount_warn_saturate+0x97/0x110

 7266 19:41:27.007536  # [   74<4>[   75.783006] RSP: 0018:ffffbd9702e87e40 EFLAGS: 00010286

 7267 19:41:27.022108  .943510] PDLOG 2024/01/05 19:39:44.738 P0 SNK (not charging) Cha<4>[   75.795325] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7268 19:41:27.025430  rger ??? 5000mV max 5000mV / 500mA

 7269 19:41:27.036214  # [   74.947598]  ? refcount<4>[   75.809813] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 7270 19:41:27.038693  _warn_saturate+0x97/0x110

 7271 19:41:27.050301  # [   74.947606]  __refcount_add_not_<4>[   75.824317] RBP: ffffffff97b82a68 R08: 0000000000000000 R09: 0000000000000000

 7272 19:41:27.053237  zero.constprop.0+0x2a/0x35

 7273 19:41:27.064776  # [   74.947617]  lkdtm_REFCOUNT_ADD<4>[   75.838764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7274 19:41:27.069617  _NOT_ZERO_SATURATED+0x3e/0x76

 7275 19:41:27.079135  # [   74.953106] PDLOG 2024/01/05<4>[   75.853247] R13: ffffbd9702e87f10 R14: ffffbd9702e87f10 R15: ffff9d50446d7000

 7276 19:41:27.085707   19:39:44.744 P1 SNK Charger ??? 5050mV max 5000mV / 3000mA

 7277 19:41:27.094750  # [<4>[   75.867705] FS:  00007f56761f3580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 7278 19:41:27.099230     74.958040]  direct_entry.cold+0x2c/0x38

 7279 19:41:27.108284  # [   74.976606] PDL<4>[   75.883273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7280 19:41:27.123647  OG 2024/01/05 19:39:44.776 P0 SNK (not charging) Charger ??? 500<4>[   75.896186] CR2: 00007f5675ffd000 CR3: 0000000103820000 CR4: 00000000003506e0

 7281 19:41:27.124782  0mV max 5000mV / 1500mA

 7282 19:41:27.132129  # [   74.980286]  full_proxy_write+0x56<4>[   75.910733] Call Trace:

 7283 19:41:27.132560  /0x80

 7284 19:41:27.141587  # [   74.993396] PDLOG 2024/01/05 19:39:45.026 P0 SNK (no<4>[   75.920218]  ? __warn+0x80/0x110

 7285 19:41:27.147210  t charging) Charger ??? 5000mV max 5000mV / 1500mA

 7286 19:41:27.153896  # [   75.005<4>[   75.930067]  ? refcount_warn_saturate+0xba/0x110

 7287 19:41:27.156137  675]  vfs_write+0xea/0x3b0

 7288 19:41:27.163666  # [   75.005686]  ksys_write+0x68/0x<4>[   75.941907]  ? report_bug+0x9e/0xc0

 7289 19:41:27.164475  f0

 7290 19:41:27.174504  # [   75.021591] PDLOG 2024/01/05 19:39:47.753 P1 SNK Charge<4>[   75.952126]  ? handle_bug+0x41/0x90

 7291 19:41:27.177889  r Type-C 4977mV max 5000mV / 3000mA

 7292 19:41:27.184851  # [   75.025771]  do_syscal<4>[   75.962651]  ? exc_invalid_op+0x14/0x70

 7293 19:41:27.186403  l_64+0x33/0x40

 7294 19:41:27.196032  # [   75.025779]  entry_SYSCALL_64_after_hwframe<4>[   75.973333]  ? asm_exc_invalid_op+0x12/0x20

 7295 19:41:27.197673  +0x62/0xc7

 7296 19:41:27.201447  # [   75.025791] RIP: 0033:0x7f0178990473

 7297 19:41:27.208560  # [   75.<4>[   75.984555]  ? refcount_warn_saturate+0xba/0x110

 7298 19:41:27.220915  089919] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff<4>[   75.996190]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7299 19:41:27.233210   ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 <4>[   76.008846]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7300 19:41:27.244337  00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28<4>[   76.021610]  direct_entry.cold+0x2c/0x38

 7301 19:41:27.245927   48 89 54 24 18

 7302 19:41:27.255477  # [   75.111156] RSP: 002b:00007ffc8d824d18 EFL<4>[   76.032520]  full_proxy_write+0x56/0x80

 7303 19:41:27.259490  AGS: 00000246 ORIG_RAX: 0000000000000001

 7304 19:41:27.265449  # [   75.119929] RAX: <4>[   76.043285]  vfs_write+0xea/0x3b0

 7305 19:41:27.272484  ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0178990473

 7306 19:41:27.275606  # <4>[   76.053519]  ksys_write+0x68/0xf0

 7307 19:41:27.286364  [   75.128204] RDX: 0000000000000020 RSI: 00007f0178884000 RDI: <4>[   76.063689]  do_syscall_64+0x33/0x40

 7308 19:41:27.287807  0000000000000001

 7309 19:41:27.298657  # [   75.136474] RBP: 00007f0178884000 R08: 00<4>[   76.074212]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7310 19:41:27.302015  007f0178883010 R09: 0000000000000000

 7311 19:41:27.308522  # [   75.144741] R10: ffff<4>[   76.086301] RIP: 0033:0x7f5676109473

 7312 19:41:27.313983  fffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7313 19:41:27.336148  # [   <4>[   76.096786] 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

 7314 19:41:27.351156  75.153011] R13: 0000000000000001 R14: 0000000000020000 R15: 0000<4>[   76.124240] RSP: 002b:00007fff75407f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7315 19:41:27.352697  000000020000

 7316 19:41:27.356099  # [   75.161298] irq event stamp: 0

 7317 19:41:27.365663  # [   75.1650<4>[   76.139216] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5676109473

 7318 19:41:27.371748  09] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7319 19:41:27.379590  # [<4>[   76.153647] RDX: 0000000000000020 RSI: 00007f5675ffd000 RDI: 0000000000000001

 7320 19:41:27.395119     75.178510] hardirqs last disabled at (0): [<ffffffff95afd6cc><4>[   76.168128] RBP: 00007f5675ffd000 R08: 00007f5675ffc010 R09: 0000000000000000

 7321 19:41:27.397489  ] copy_process+0x65c/0x20e0

 7322 19:41:27.408745  # [   75.187945] softirqs last  ena<4>[   76.182585] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7323 19:41:27.415424  bled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7324 19:41:27.424334  # [<4>[   76.197056] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7325 19:41:27.432941     75.197375] softirqs last disabled at (0): [<0000000000000000><4>[   76.211500] irq event stamp: 0

 7326 19:41:27.434771  ] 0x0

 7327 19:41:27.439379  # [   75.204672] ---[ end trace f8800554775ed3f1 ]---

 7328 19:41:27.447249  # <4>[   76.221450] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7329 19:41:27.452914  [   75.210126] lkdtm: Saturation detected: still saturated

 7330 19:41:27.463137  # RE<4>[   76.234889] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7331 19:41:27.467652  FCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7332 19:41:27.477484  ok 56 self<4>[   76.250515] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7333 19:41:27.483561  tests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7334 19:41:27.491065  # selftests: l<4>[   76.266163] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7335 19:41:27.496198  kdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7336 19:41:27.500774  <4>[   76.279639] ---[ end trace f8800554775ed3f2 ]---

 7337 19:41:27.506888  <6>[   76.289136] lkdtm: Saturation detected: still saturated

 7338 19:41:27.610493  # [   75.605762] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7339 19:41:27.617454  # [   75.615265] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7340 19:41:27.622605  # [   75.629266] ------------[ cut here ]------------

 7341 19:41:27.628727  # [   75.640954] refcount_t: underflow; use-after-free.

 7342 19:41:27.638043  # [   75.652891] WARNING: CPU: 3 PID: 2528 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7343 19:41:27.677768  # [   75.668755] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7344 19:41:27.686263  # [   75.714927] CPU: 3 PID: 2528 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 7345 19:41:27.693252  # [   75.730058] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7346 19:41:27.698529  # [   75.743183] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7347 19:41:27.720083  # [   75.755541] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 ad 97 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7

 7348 19:41:27.725682  # [   75.783006] RSP: 0018:ffffbd9702e87e40 EFLAGS: 00010286

 7349 19:41:27.734015  # [   75.795325] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7350 19:41:27.741867  # [   75.809813] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50

 7351 19:41:27.751042  # [   75.824317] RBP: ffffffff97b82a68 R08: 0000000000000000 R09: 0000000000000000

 7352 19:41:27.758674  # [   75.838764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7353 19:41:27.766495  # [   75.853247] R13: ffffbd9702e87f10 R14: ffffbd9702e87f10 R15: ffff9d50446d7000

 7354 19:41:27.775539  # [   75.867705] FS:  00007f56761f3580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000

 7355 19:41:27.782910  # [   75.883273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7356 19:41:27.790547  # [   75.896186] CR2: 00007f5675ffd000 CR3: 0000000103820000 CR4: 00000000003506e0

 7357 19:41:27.793313  # [   75.910733] Call Trace:

 7358 19:41:27.797410  # [   75.920218]  ? __warn+0x80/0x110

 7359 19:41:27.802453  # [   75.930067]  ? refcount_warn_saturate+0xba/0x110

 7360 19:41:27.806255  # [   75.941907]  ? report_bug+0x9e/0xc0

 7361 19:41:27.811343  # [   75.952126]  ? handle_bug+0x41/0x90

 7362 19:41:27.814760  # [   75.962651]  ? exc_invalid_op+0x14/0x70

 7363 19:41:27.819995  # [   75.973333]  ? asm_exc_invalid_op+0x12/0x20

 7364 19:41:27.825352  # [   75.984555]  ? refcount_warn_saturate+0xba/0x110

 7365 19:41:27.831680  # [   75.996190]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7366 19:41:27.838251  # [   76.008846]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7367 19:41:27.842882  # [   76.021610]  direct_entry.cold+0x2c/0x38

 7368 19:41:27.847209  # [   76.032520]  full_proxy_write+0x56/0x80

 7369 19:41:27.851764  # [   76.043285]  vfs_write+0xea/0x3b0

 7370 19:41:27.854822  # [   76.053519]  ksys_write+0x68/0xf0

 7371 19:41:27.859221  # [   76.063689]  do_syscall_64+0x33/0x40

 7372 19:41:27.865165  # [   76.074212]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7373 19:41:27.868919  # [   76.086301] RIP: 0033:0x7f5676109473

 7374 19:41:27.890156  # [   76.096786] 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

 7375 19:41:27.899632  # [   76.124240] RSP: 002b:00007fff75407f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7376 19:41:27.906944  # [   76.139216] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5676109473

 7377 19:41:27.915046  # [   76.153647] RDX: 0000000000000020 RSI: 00007f5675ffd000 RDI: 0000000000000001

 7378 19:41:27.922952  # [   76.168128] RBP: 00007f5675ffd000 R08: 00007f5675ffc010 R09: 0000000000000000

 7379 19:41:27.935377  # [   76.182585] R10: fffffffffffffb<6>[   76.711878] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7380 19:41:27.942352  <6>[   76.722893] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7381 19:41:27.947884  <4>[   76.730677] ------------[ cut here ]------------

 7382 19:41:27.953145  <4>[   76.736140] refcount_t: underflow; use-after-free.

 7383 19:41:27.963103  <4>[   76.741851] WARNING: CPU: 1 PID: 2564 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7384 19:41:28.003055  <4>[   76.751567] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7385 19:41:28.008457  c5 R11: 0000000000000246 R12: 0000000000000001

 7386 19:41:28.019298  # [   76.197056]<4>[   76.791587] CPU: 1 PID: 2564 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 7387 19:41:28.025896  <4>[   76.806705] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7388 19:41:28.031509  <4>[   76.813616] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7389 19:41:28.053713  <4>[   76.819761] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 ad 97 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7

 7390 19:41:28.059327  <4>[   76.841012] RSP: 0018:ffffbd9702effe40 EFLAGS: 00010286

 7391 19:41:28.067846  <4>[   76.847152] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7392 19:41:28.075671  <4>[   76.855416] RDX: ffff9d50bbcac620 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50

 7393 19:41:28.084063  <4>[   76.863683] RBP: ffffffff97b82a88 R08: 0000000000000000 R09: 0000000000000000

 7394 19:41:28.092277  <4>[   76.871962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7395 19:41:28.101063  <4>[   76.880226] R13: ffffbd9702efff10 R14: ffffbd9702efff10 R15: ffff9d5045b56000

 7396 19:41:28.109472  <4>[   76.888488] FS:  00007fc9b9e3d580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 7397 19:41:28.116202  <4>[   76.897838] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7398 19:41:28.124995  <4>[   76.904552] CR2: 00007fc9b9c47000 CR3: 0000000104336000 CR4: 00000000003506e0

 7399 19:41:28.127725  <4>[   76.912809] Call Trace:

 7400 19:41:28.131738  <4>[   76.915857]  ? __warn+0x80/0x110

 7401 19:41:28.137084  <4>[   76.919775]  ? refcount_warn_saturate+0xba/0x110

 7402 19:41:28.141522  <4>[   76.925242]  ? report_bug+0x9e/0xc0

 7403 19:41:28.145634  <4>[   76.929450]  ? handle_bug+0x41/0x90

 7404 19:41:28.150733  <4>[   76.933647]  ? exc_invalid_op+0x14/0x70

 7405 19:41:28.155985  <4>[   76.938234]  ? asm_exc_invalid_op+0x12/0x20

 7406 19:41:28.160517  <4>[   76.943215]  ? refcount_warn_saturate+0xba/0x110

 7407 19:41:28.167639  <4>[   76.948675]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7408 19:41:28.173533  <4>[   76.955105]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7409 19:41:28.178769  <4>[   76.961734]  direct_entry.cold+0x2c/0x38

 7410 19:41:28.183251  <4>[   76.966434]  full_proxy_write+0x56/0x80

 7411 19:41:28.194711   R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000200<4>[   76.971038]  vfs_write+0xea/0x3b0

 7412 19:41:28.196882  <4>[   76.981247]  ksys_write+0x68/0xf0

 7413 19:41:28.197658  00

 7414 19:41:28.201567  # [   76.211500] irq event stamp: 0

 7415 19:41:28.207369  # [   76.221450] hardir<4>[   76.985261]  do_syscall_64+0x33/0x40

 7416 19:41:28.212337  qs last  enabled at (0): [<0000000000000000>] 0x0

 7417 19:41:28.220005  # [   76.2348<4>[   76.995740]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7418 19:41:28.230068  89] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_pro<4>[   77.007879] RIP: 0033:0x7fc9b9d53473

 7419 19:41:28.252286  <4>[   77.018382] 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

 7420 19:41:28.261521  <4>[   77.039681] RSP: 002b:00007ffce4e02068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7421 19:41:28.268587  <4>[   77.048458] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc9b9d53473

 7422 19:41:28.277173  <4>[   77.056799] RDX: 0000000000000020 RSI: 00007fc9b9c47000 RDI: 0000000000000001

 7423 19:41:28.278842  cess+0x65c/0x20e0

 7424 19:41:28.292377  # [   76.250515] softirqs last  enabled at (0<4>[   77.065118] RBP: 00007fc9b9c47000 R08: 00007fc9b9c46010 R09: 0000000000000000

 7425 19:41:28.299929  <4>[   77.079610] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7426 19:41:28.307759  <4>[   77.087880] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7427 19:41:28.311821  <4>[   77.096153] irq event stamp: 0

 7428 19:41:28.318671  <4>[   77.099871] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7429 19:41:28.328361  <4>[   77.107180] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7430 19:41:28.337726  <4>[   77.116620] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7431 19:41:28.343773  ): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7432 19:41:28.351763  # [   76.2661<4>[   77.126059] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7433 19:41:28.356822  <4>[   77.139570] ---[ end trace f8800554775ed3f3 ]---

 7434 19:41:28.362988  <6>[   77.145037] lkdtm: Saturation detected: still saturated

 7435 19:41:28.369655  63] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7436 19:41:28.374744  # [   76.279639] ---[ end trace f8800554775ed3f2 ]---

 7437 19:41:28.380205  # [   76.289136] lkdtm: Saturation detected: still saturated

 7438 19:41:28.388482  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7439 19:41:28.394448  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7440 19:41:28.399704  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7441 19:41:28.462609  # [   76.711878] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7442 19:41:28.470561  # [   76.722893] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7443 19:41:28.476665  # [   76.730677] ------------[ cut here ]------------

 7444 19:41:28.482212  # [   76.736140] refcount_t: underflow; use-after-free.

 7445 19:41:28.491192  # [   76.741851] WARNING: CPU: 1 PID: 2564 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7446 19:41:28.531069  # [   76.751567] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table

 7447 19:41:28.539766  # [   76.791587] CPU: 1 PID: 2564 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 7448 19:41:28.546758  # [   76.806705] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7449 19:41:28.552209  # [   76.813616] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7450 19:41:28.574277  # [   76.819761] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 ad 97 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7

 7451 19:41:28.579900  # [   76.841012] RSP: 0018:ffffbd9702effe40 EFLAGS: 00010286

 7452 19:41:28.587670  # [   76.847152] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7453 19:41:28.595743  # [   76.855416] RDX: ffff9d50bbcac620 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50

 7454 19:41:28.604397  # [   76.863683] RBP: ffffffff97b82a88 R08: 0000000000000000 R09: 0000000000000000

 7455 19:41:28.612459  # [   76.871962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7456 19:41:28.620006  # [   76.880226] R13: ffffbd9702efff10 R14: ffffbd9702efff10 R15: ffff9d5045b56000

 7457 19:41:28.629827  # [   76.888488] FS:  00007fc9b9e3d580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000

 7458 19:41:28.635830  # [   76.897838] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7459 19:41:28.644507  # [   76.904552] CR2: 00007fc9b9c47000 CR3: 0000000104336000 CR4: 00000000003506e0

 7460 19:41:28.647045  # [   76.912809] Call Trace:

 7461 19:41:28.650905  # [   76.915857]  ? __warn+0x80/0x110

 7462 19:41:28.656125  # [   76.919775]  ? refcount_warn_saturate+0xba/0x110

 7463 19:41:28.660778  # [   76.925242]  ? report_bug+0x9e/0xc0

 7464 19:41:28.664590  # [   76.929450]  ? handle_bug+0x41/0x90

 7465 19:41:28.669133  # [   76.933647]  ? exc_invalid_op+0x14/0x70

 7466 19:41:28.674556  # [   76.938234]  ? asm_exc_invalid_op+0x12/0x20

 7467 19:41:28.679450  # [   76.943215]  ? refcount_warn_saturate+0xba/0x110

 7468 19:41:28.685497  # [   76.948675]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7469 19:41:28.692042  # [   76.955105]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7470 19:41:28.696863  # [   76.961734]  direct_entry.cold+0x2c/0x38

 7471 19:41:28.701477  # [   76.966434]  full_proxy_write+0x56/0x80

 7472 19:41:28.704838  # [   76.971038]  vfs_write+0xea/0x3b0

 7473 19:41:28.708777  # [   76.981247]  ksys_write+0x68/0xf0

 7474 19:41:28.713218  # [   76.985261]  do_syscall_64+0x33/0x40

 7475 19:41:28.718875  # [   76.995740]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7476 19:41:28.723127  # [   77.007879] RIP: 0033:0x7fc9b9d53473

 7477 19:41:28.743943  # [   77.018382] 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

 7478 19:41:28.752930  # [   77.039681] RSP: 002b:00007ffce4e02068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7479 19:41:28.760587  # [   77.048458] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc9b9d53473

 7480 19:41:28.768927  # [   77.056799] RDX: 0000000000000020 RSI: 00007fc9b9c47000 RDI: 0000000000000001

 7481 19:41:28.776739  # [   77.065118] RBP: 00007fc9b9c47000 R08: 00007fc9b9c46010 R09: 0000000000000000

 7482 19:41:28.785158  # [   77.079610] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7483 19:41:28.793479  # [   77.087880] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7484 19:41:28.797856  # [   77.096153] irq event stamp: 0

 7485 19:41:28.803860  # [   77.099871] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7486 19:41:28.813613  # [   77.107180] hardirqs last disabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7487 19:41:28.822456  # [   77.116620] softirqs last  enabled at (0): [<ffffffff95afd6cc>] copy_process+0x65c/0x20e0

 7488 19:41:28.830007  # [   77.126059] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7489 19:41:28.836292  # [   77.139570] ---[ end trace f8800554775ed3f3 ]---

 7490 19:41:28.841628  # [   77.145037] lkdtm: Saturation detected: still saturated

 7491 19:41:28.850050  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7492 19:41:28.854905  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7493 19:41:28.859213  # selftests: lkdtm: REFCOUNT_TIMING.sh

 7494 19:41:28.863223  # Skipping REFCOUNT_TIMING: timing only

 7495 19:41:28.867732  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 7496 19:41:28.871702  # selftests: lkdtm: ATOMIC_TIMING.sh

 7497 19:41:28.874930  # Skipping ATOMIC_TIMING: timing only

 7498 19:41:28.880171  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 7499 19:41:28.884386  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 7500 19:41:29.033030  <6>[   77.813903] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7501 19:41:29.039794  <6>[   77.820978] lkdtm: attempting good copy_to_user of correct size

 7502 19:41:29.046929  <6>[   77.827967] lkdtm: attempting bad copy_to_user of too large size

 7503 19:41:29.146555  # [   77.813903] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7504 19:41:29.152498  # [   77.820978] lkdtm: attempting good copy_to_user of correct size

 7505 19:41:29.159162  # [   77.827967] lkdtm: attempting bad copy_to_user of too large size

 7506 19:41:29.168423  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 7507 19:41:29.184444  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 7508 19:41:29.199193  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 7509 19:41:29.431348  <6>[   78.212215] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7510 19:41:29.438317  <6>[   78.219466] lkdtm: attempting good copy_from_user of correct size

 7511 19:41:29.445391  <6>[   78.226625] lkdtm: attempting bad copy_from_user of too large size

 7512 19:41:29.545928  # [   78.212215] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7513 19:41:29.552395  # [   78.219466] lkdtm: attempting good copy_from_user of correct size

 7514 19:41:29.559656  # [   78.226625] lkdtm: attempting bad copy_from_user of too large size

 7515 19:41:29.566386  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 7516 19:41:29.582721  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 7517 19:41:29.594783  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 7518 19:41:29.812046  <6>[   78.593167] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7519 19:41:29.819214  <6>[   78.600722] lkdtm: attempting good copy_to_user inside whitelist

 7520 19:41:29.826898  <6>[   78.607792] lkdtm: attempting bad copy_to_user outside whitelist

 7521 19:41:29.924044  # [   78.593167] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7522 19:41:29.931511  # [   78.600722] lkdtm: attempting good copy_to_user inside whitelist

 7523 19:41:29.937732  # [   78.607792] lkdtm: attempting bad copy_to_user outside whitelist

 7524 19:41:29.945446  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 7525 19:41:29.960237  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 7526 19:41:29.973845  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 7527 19:41:30.196575  <6>[   78.977117] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7528 19:41:30.203552  <6>[   78.984865] lkdtm: attempting good copy_from_user inside whitelist

 7529 19:41:30.210908  <6>[   78.992138] lkdtm: attempting bad copy_from_user outside whitelist

 7530 19:41:30.328467  # [   78.977117] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7531 19:41:30.335585  # [   78.984865] lkdtm: attempting good copy_from_user inside whitelist

 7532 19:41:30.341935  # [   78.992138] lkdtm: attempting bad copy_from_user outside whitelist

 7533 19:41:30.350071  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 7534 19:41:30.364824  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 7535 19:41:30.376914  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 7536 19:41:30.600858  <6>[   79.382156] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7537 19:41:30.608902  <6>[   79.389390] lkdtm: good_stack: ffffbd9703257e20-ffffbd9703257e40

 7538 19:41:30.614939  <6>[   79.396425] lkdtm: bad_stack : ffffbd9703257da8-ffffbd9703257dc8

 7539 19:41:30.622108  <6>[   79.403492] lkdtm: attempting good copy_to_user of local stack

 7540 19:41:30.628435  <6>[   79.410332] lkdtm: attempting bad copy_to_user of distant stack

 7541 19:41:30.723477  # [   79.382156] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7542 19:41:30.730074  # [   79.389390] lkdtm: good_stack: ffffbd9703257e20-ffffbd9703257e40

 7543 19:41:30.737214  # [   79.396425] lkdtm: bad_stack : ffffbd9703257da8-ffffbd9703257dc8

 7544 19:41:30.744186  # [   79.403492] lkdtm: attempting good copy_to_user of local stack

 7545 19:41:30.750754  # [   79.410332] lkdtm: attempting bad copy_to_user of distant stack

 7546 19:41:30.756514  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 7547 19:41:30.762258  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 7548 19:41:30.766934  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 7549 19:41:30.961478  <6>[   79.742306] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7550 19:41:30.968446  <6>[   79.749753] lkdtm: good_stack: ffffbd97032e7e20-ffffbd97032e7e40

 7551 19:41:30.975132  <6>[   79.756794] lkdtm: bad_stack : ffffbd97032e7da8-ffffbd97032e7dc8

 7552 19:41:30.982281  <6>[   79.763857] lkdtm: attempting good copy_from_user of local stack

 7553 19:41:30.989242  <6>[   79.770918] lkdtm: attempting bad copy_from_user of distant stack

 7554 19:41:31.096015  # [   79.742306] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7555 19:41:31.103022  # [   79.749753] lkdtm: good_stack: ffffbd97032e7e20-ffffbd97032e7e40

 7556 19:41:31.109589  # [   79.756794] lkdtm: bad_stack : ffffbd97032e7da8-ffffbd97032e7dc8

 7557 19:41:31.117425  # [   79.763857] lkdtm: attempting good copy_from_user of local stack

 7558 19:41:31.123802  # [   79.770918] lkdtm: attempting bad copy_from_user of distant stack

 7559 19:41:31.129846  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 7560 19:41:31.135451  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 7561 19:41:31.148842  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 7562 19:41:31.360107  <6>[   80.141642] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7563 19:41:31.367017  <6>[   80.148698] lkdtm: good_stack: ffffbd970337fe20-ffffbd970337fe40

 7564 19:41:31.374497  <6>[   80.155730] lkdtm: bad_stack : ffffbd970337fff8-ffffbd9703380018

 7565 19:41:31.381818  <6>[   80.162796] lkdtm: attempting good copy_to_user of local stack

 7566 19:41:31.388800  <6>[   80.169646] lkdtm: attempting bad copy_to_user of distant stack

 7567 19:41:31.393982  <4>[   80.176579] lkdtm: copy_to_user failed, but lacked Oops

 7568 19:41:31.498991  # [   80.141642] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7569 19:41:31.505892  # [   80.148698] lkdtm: good_stack: ffffbd970337fe20-ffffbd970337fe40

 7570 19:41:31.513713  # [   80.155730] lkdtm: bad_stack : ffffbd970337fff8-ffffbd9703380018

 7571 19:41:31.519767  # [   80.162796] lkdtm: attempting good copy_to_user of local stack

 7572 19:41:31.526305  # [   80.169646] lkdtm: attempting bad copy_to_user of distant stack

 7573 19:41:31.533160  # [   80.176579] lkdtm: copy_to_user failed, but lacked Oops

 7574 19:41:31.537924  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 7575 19:41:31.544199  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 7576 19:41:31.547485  # selftests: lkdtm: USERCOPY_KERNEL.sh

 7577 19:41:31.743701  <6>[   80.525901] lkdtm: Performing direct entry USERCOPY_KERNEL

 7578 19:41:31.752914  <6>[   80.532401] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff976f8950

 7579 19:41:31.761953  <6>[   80.541373] lkdtm: attempting bad copy_to_user from kernel text: ffffffff95ce2c60

 7580 19:41:31.767171  <3>[   80.550032] lkdtm: FAIL: survived bad copy_to_user()

 7581 19:41:31.873602  # [   80.525901] lkdtm: Performing direct entry USERCOPY_KERNEL

 7582 19:41:31.882695  # [   80.532401] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff976f8950

 7583 19:41:31.891792  # [   80.541373] lkdtm: attempting bad copy_to_user from kernel text: ffffffff95ce2c60

 7584 19:41:31.896230  # [   80.550032] lkdtm: FAIL: survived bad copy_to_user()

 7585 19:41:31.901274  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 7586 19:41:31.906652  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 7587 19:41:31.917625  # selftests: lkdtm: STACKLEAK_ERASING.sh

 7588 19:41:32.150021  <6>[   80.931667] lkdtm: Performing direct entry STACKLEAK_ERASING

 7589 19:41:32.158339  <6>[   80.938319] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7590 19:41:32.166441  <3>[   80.946543] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7591 19:41:32.173287  <3>[   80.954674] lkdtm: FAIL: the thread stack is NOT properly erased

 7592 19:41:32.182359  <4>[   80.961707] CPU: 3 PID: 2940 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 7593 19:41:32.189114  <4>[   80.970652] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7594 19:41:32.192814  <4>[   80.977559] Call Trace:

 7595 19:41:32.197322  <4>[   80.980606]  dump_stack+0x77/0x9b

 7596 19:41:32.201796  <4>[   80.984608]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7597 19:41:32.206707  <4>[   80.990062]  direct_entry.cold+0x2c/0x38

 7598 19:41:32.211076  <4>[   80.994736]  full_proxy_write+0x56/0x80

 7599 19:41:32.215110  <4>[   80.999311]  vfs_write+0xea/0x3b0

 7600 19:41:32.218690  <4>[   81.003304]  ksys_write+0x68/0xf0

 7601 19:41:32.223276  <4>[   81.007304]  do_syscall_64+0x33/0x40

 7602 19:41:32.229311  <4>[   81.011592]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7603 19:41:32.233462  <4>[   81.017530] RIP: 0033:0x7f5b11575473

 7604 19:41:32.254653  <4>[   81.021822] 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

 7605 19:41:32.263941  <4>[   81.043074] RSP: 002b:00007ffd1ef1beb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7606 19:41:32.273194  <4>[   81.051821] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5b11575473

 7607 19:41:32.281909  <4>[   81.060082] RDX: 0000000000000012 RSI: 00007f5b11469000 RDI: 0000000000000001

 7608 19:41:32.288372  <4>[   81.068344] RBP: 00007f5b11469000 R08: 00007f5b11468010 R09: 0000000000000000

 7609 19:41:32.296764  <4>[   81.076606] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7610 19:41:32.304694  <4>[   81.084861] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7611 19:41:32.403510  # [   80.931667] lkdtm: Performing direct entry STACKLEAK_ERASING

 7612 19:41:32.411660  # [   80.938319] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7613 19:41:32.419635  # [   80.946543] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7614 19:41:32.426220  # [   80.954674] lkdtm: FAIL: the thread stack is NOT properly erased

 7615 19:41:32.435320  # [   80.961707] CPU: 3 PID: 2940 Comm: cat Tainted: G      D W         5.10.206-cip41 #1

 7616 19:41:32.442047  # [   80.970652] Hardware name: Google Coral/Coral, BIOS  09/29/2020

 7617 19:41:32.445221  # [   80.977559] Call Trace:

 7618 19:41:32.448672  # [   80.980606]  dump_stack+0x77/0x9b

 7619 19:41:32.454596  # [   80.984608]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7620 19:41:32.459571  # [   80.990062]  direct_entry.cold+0x2c/0x38

 7621 19:41:32.462921  # [   80.994736]  full_proxy_write+0x56/0x80

 7622 19:41:32.467746  # [   80.999311]  vfs_write+0xea/0x3b0

 7623 19:41:32.470911  # [   81.003304]  ksys_write+0x68/0xf0

 7624 19:41:32.475967  # [   81.007304]  do_syscall_64+0x33/0x40

 7625 19:41:32.480521  # [   81.011592]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7626 19:41:32.485246  # [   81.017530] RIP: 0033:0x7f5b11575473

 7627 19:41:32.506426  # [   81.021822] 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

 7628 19:41:32.515256  # [   81.043074] RSP: 002b:00007ffd1ef1beb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7629 19:41:32.523141  # [   81.051821] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5b11575473

 7630 19:41:32.531567  # [   81.060082] RDX: 0000000000000012 RSI: 00007f5b11469000 RDI: 0000000000000001

 7631 19:41:32.539146  # [   81.068344] RBP: 00007f5b11469000 R08: 00007f5b11468010 R09: 0000000000000000

 7632 19:41:32.547694  # [   81.076606] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7633 19:41:32.556421  # [   81.084861] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7634 19:41:32.564852  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 7635 19:41:32.570345  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 7636 19:41:32.574245  # selftests: lkdtm: CFI_FORWARD_PROTO.sh

 7637 19:41:32.692137  <6>[   81.473277] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7638 19:41:32.696943  <6>[   81.479943] lkdtm: Calling matched prototype ...

 7639 19:41:32.703320  <6>[   81.485417] lkdtm: Calling mismatched prototype ...

 7640 19:41:32.710262  <6>[   81.491188] lkdtm: Fail: survived mismatched prototype function call!

 7641 19:41:32.821081  # [   81.473277] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7642 19:41:32.826666  # [   81.479943] lkdtm: Calling matched prototype ...

 7643 19:41:32.832727  # [   81.485417] lkdtm: Calling mismatched prototype ...

 7644 19:41:32.839335  # [   81.491188] lkdtm: Fail: survived mismatched prototype function call!

 7645 19:41:32.844379  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 7646 19:41:32.856725  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 7647 19:41:33.673988  lkdtm_PANIC_sh_selftests_lkdtm_panic_sh skip

 7648 19:41:33.675228  lkdtm_BUG_sh pass

 7649 19:41:33.677234  lkdtm_WARNING_sh pass

 7650 19:41:33.679840  lkdtm_WARNING_MESSAGE_sh pass

 7651 19:41:33.682353  lkdtm_EXCEPTION_sh pass

 7652 19:41:33.687787  lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip

 7653 19:41:33.692732  lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip

 7654 19:41:33.699164  lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip

 7655 19:41:33.706165  lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh skip

 7656 19:41:33.709578  lkdtm_CORRUPT_LIST_ADD_sh fail

 7657 19:41:33.713356  lkdtm_CORRUPT_LIST_DEL_sh fail

 7658 19:41:33.716483  lkdtm_STACK_GUARD_PAGE_LEADING_sh pass

 7659 19:41:33.721160  lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass

 7660 19:41:33.722468  lkdtm_UNSET_SMEP_sh pass

 7661 19:41:33.728897  lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh skip

 7662 19:41:33.734107  lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip

 7663 19:41:33.742965  lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip

 7664 19:41:33.749952  lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip

 7665 19:41:33.756810  lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip

 7666 19:41:33.761340  lkdtm_READ_AFTER_FREE_sh fail

 7667 19:41:33.767791  lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh skip

 7668 19:41:33.771250  lkdtm_READ_BUDDY_AFTER_FREE_sh fail

 7669 19:41:33.774215  lkdtm_SLAB_FREE_DOUBLE_sh fail

 7670 19:41:33.777200  lkdtm_SLAB_FREE_CROSS_sh fail

 7671 19:41:33.780308  lkdtm_SLAB_FREE_PAGE_sh fail

 7672 19:41:33.785456  lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh skip

 7673 19:41:33.790519  lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip

 7674 19:41:33.796243  lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip

 7675 19:41:33.801202  lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh skip

 7676 19:41:33.804267  lkdtm_EXEC_DATA_sh pass

 7677 19:41:33.806918  lkdtm_EXEC_STACK_sh pass

 7678 19:41:33.809399  lkdtm_EXEC_KMALLOC_sh pass

 7679 19:41:33.812100  lkdtm_EXEC_VMALLOC_sh pass

 7680 19:41:33.814769  lkdtm_EXEC_RODATA_sh pass

 7681 19:41:33.817770  lkdtm_EXEC_USERSPACE_sh pass

 7682 19:41:33.820140  lkdtm_EXEC_NULL_sh pass

 7683 19:41:33.823083  lkdtm_ACCESS_USERSPACE_sh pass

 7684 19:41:33.826081  lkdtm_ACCESS_NULL_sh pass

 7685 19:41:33.829207  lkdtm_WRITE_RO_sh pass

 7686 19:41:33.831573  lkdtm_WRITE_RO_AFTER_INIT_sh pass

 7687 19:41:33.833997  lkdtm_WRITE_KERN_sh pass

 7688 19:41:33.837466  lkdtm_REFCOUNT_INC_OVERFLOW_sh pass

 7689 19:41:33.841562  lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass

 7690 19:41:33.845988  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass

 7691 19:41:33.851065  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass

 7692 19:41:33.853647  lkdtm_REFCOUNT_DEC_ZERO_sh pass

 7693 19:41:33.858752  lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass

 7694 19:41:33.861259  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass

 7695 19:41:33.865697  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass

 7696 19:41:33.869163  lkdtm_REFCOUNT_INC_ZERO_sh pass

 7697 19:41:33.872227  lkdtm_REFCOUNT_ADD_ZERO_sh pass

 7698 19:41:33.875877  lkdtm_REFCOUNT_INC_SATURATED_sh pass

 7699 19:41:33.879835  lkdtm_REFCOUNT_DEC_SATURATED_sh pass

 7700 19:41:33.883547  lkdtm_REFCOUNT_ADD_SATURATED_sh pass

 7701 19:41:33.888024  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass

 7702 19:41:33.892930  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass

 7703 19:41:33.896910  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass

 7704 19:41:33.901753  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass

 7705 19:41:33.907890  lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh skip

 7706 19:41:33.914561  lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh skip

 7707 19:41:33.917515  lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail

 7708 19:41:33.921679  lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail

 7709 19:41:33.925488  lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail

 7710 19:41:33.929664  lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail

 7711 19:41:33.933851  lkdtm_USERCOPY_STACK_FRAME_TO_sh fail

 7712 19:41:33.937914  lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail

 7713 19:41:33.940824  lkdtm_USERCOPY_STACK_BEYOND_sh fail

 7714 19:41:33.944465  lkdtm_USERCOPY_KERNEL_sh fail

 7715 19:41:33.947299  lkdtm_STACKLEAK_ERASING_sh fail

 7716 19:41:33.950871  lkdtm_CFI_FORWARD_PROTO_sh fail

 7717 19:41:33.955374  + ../../utils/send-to-lava.sh ./output/result.txt

 7718 19:41:33.961470  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=shardfile-lkdtm RESULT=pass>

 7719 19:41:33.962155  Received signal: <TESTCASE> TEST_CASE_ID=shardfile-lkdtm RESULT=pass
 7721 19:41:33.970222  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_PANIC_sh_selftests_lkdtm_panic_sh RESULT=skip>

 7722 19:41:33.970478  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_PANIC_sh_selftests_lkdtm_panic_sh RESULT=skip
 7724 19:41:33.980453  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass
 7726 19:41:33.980741  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass>

 7727 19:41:34.067306  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass>

 7728 19:41:34.067583  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass
 7730 19:41:34.155484  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass>

 7731 19:41:34.155759  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass
 7733 19:41:34.238814  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass
 7735 19:41:34.239050  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass>

 7736 19:41:34.325182  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_LOOP_sh_selftests_lkdtm_loop_sh RESULT=skip>

 7737 19:41:34.325455  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_LOOP_sh_selftests_lkdtm_loop_sh RESULT=skip
 7739 19:41:34.414219  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh RESULT=skip>

 7740 19:41:34.414491  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh RESULT=skip
 7742 19:41:34.500486  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh RESULT=skip>

 7743 19:41:34.500815  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh RESULT=skip
 7745 19:41:34.586907  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh RESULT=skip>

 7746 19:41:34.587181  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh RESULT=skip
 7748 19:41:34.670099  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail>

 7749 19:41:34.670390  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail
 7751 19:41:34.758020  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail>

 7752 19:41:34.758298  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail
 7754 19:41:34.845893  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass>

 7755 19:41:34.846364  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass
 7757 19:41:34.933154  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass>

 7758 19:41:34.933427  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass
 7760 19:41:35.018426  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass>

 7761 19:41:35.019030  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass
 7763 19:41:35.115526  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh RESULT=skip
 7765 19:41:35.115920  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh RESULT=skip>

 7766 19:41:35.182013  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh RESULT=skip>

 7767 19:41:35.182433  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh RESULT=skip
 7769 19:41:35.284118  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh RESULT=skip>

 7770 19:41:35.284445  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh RESULT=skip
 7772 19:41:35.370766  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh RESULT=skip
 7774 19:41:35.371059  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh RESULT=skip>

 7775 19:41:35.449805  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh RESULT=skip>

 7776 19:41:35.450106  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh RESULT=skip
 7778 19:41:35.532684  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail>

 7779 19:41:35.532991  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail
 7781 19:41:35.631007  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh RESULT=skip>

 7782 19:41:35.631725  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh RESULT=skip
 7784 19:41:35.723374  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail>

 7785 19:41:35.724090  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail
 7787 19:41:35.811583  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail>

 7788 19:41:35.812344  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail
 7790 19:41:35.903911  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail>

 7791 19:41:35.904669  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail
 7793 19:41:36.002149  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail>

 7794 19:41:36.003058  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail
 7796 19:41:36.103419  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh RESULT=skip>

 7797 19:41:36.104277  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh RESULT=skip
 7799 19:41:36.197942  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh RESULT=skip>

 7800 19:41:36.198692  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh RESULT=skip
 7802 19:41:36.293890  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh RESULT=skip>

 7803 19:41:36.294587  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh RESULT=skip
 7805 19:41:36.387852  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh RESULT=skip>

 7806 19:41:36.388555  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh RESULT=skip
 7808 19:41:36.481320  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass>

 7809 19:41:36.482028  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass
 7811 19:41:36.574396  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass>

 7812 19:41:36.575199  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass
 7814 19:41:36.672496  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass>

 7815 19:41:36.673287  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass
 7817 19:41:36.771962  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass
 7819 19:41:36.773421  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass>

 7820 19:41:36.868904  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass>

 7821 19:41:36.869657  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass
 7823 19:41:36.966698  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass>

 7824 19:41:36.967529  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass
 7826 19:41:37.065007  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass>

 7827 19:41:37.065759  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass
 7829 19:41:37.164670  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=pass>

 7830 19:41:37.165469  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=pass
 7832 19:41:37.241999  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass
 7834 19:41:37.242247  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass>

 7835 19:41:37.319313  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass>

 7836 19:41:37.319642  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass
 7838 19:41:37.402699  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass>

 7839 19:41:37.403398  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass
 7841 19:41:37.494117  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass>

 7842 19:41:37.494430  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass
 7844 19:41:37.573569  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass>

 7845 19:41:37.573938  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass
 7847 19:41:37.652145  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass
 7849 19:41:37.652455  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass>

 7850 19:41:37.739053  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7851 19:41:37.739962  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7853 19:41:37.836131  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7854 19:41:37.837088  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7856 19:41:37.923993  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass>

 7857 19:41:37.925041  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass
 7859 19:41:38.016118  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass
 7861 19:41:38.017824  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass>

 7862 19:41:38.111289  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass>

 7863 19:41:38.112084  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass
 7865 19:41:38.201106  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass>

 7866 19:41:38.201758  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass
 7868 19:41:38.292117  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass>

 7869 19:41:38.292783  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass
 7871 19:41:38.383614  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass>

 7872 19:41:38.384273  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass
 7874 19:41:38.478148  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass>

 7875 19:41:38.478796  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass
 7877 19:41:38.572175  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass>

 7878 19:41:38.572816  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass
 7880 19:41:38.648976  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass>

 7881 19:41:38.649277  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass
 7883 19:41:38.721646  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass>

 7884 19:41:38.721944  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass
 7886 19:41:38.816264  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass>

 7887 19:41:38.817143  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass
 7889 19:41:38.904178  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass>

 7890 19:41:38.904925  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass
 7892 19:41:38.987573  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass
 7894 19:41:38.987928  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass>

 7895 19:41:39.064510  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh RESULT=skip>

 7896 19:41:39.064992  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh RESULT=skip
 7898 19:41:39.162001  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh RESULT=skip>

 7899 19:41:39.162854  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh RESULT=skip
 7901 19:41:39.248902  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail>

 7902 19:41:39.249750  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail
 7904 19:41:39.341858  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail>

 7905 19:41:39.342671  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail
 7907 19:41:39.435064  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail
 7909 19:41:39.436982  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail>

 7910 19:41:39.526792  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail>

 7911 19:41:39.527556  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail
 7913 19:41:39.619214  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail>

 7914 19:41:39.619955  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail
 7916 19:41:39.711442  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail>

 7917 19:41:39.711762  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail
 7919 19:41:39.791415  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail>

 7920 19:41:39.792181  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail
 7922 19:41:39.884953  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail>

 7923 19:41:39.885762  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail
 7925 19:41:39.973419  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail>

 7926 19:41:39.974188  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail
 7928 19:41:40.071870  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail>

 7929 19:41:40.072607  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail
 7931 19:41:40.073734  + set +x

 7932 19:41:40.077768  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 12460431_1.5.2.3.5>

 7933 19:41:40.078474  Received signal: <ENDRUN> 1_kselftest-lkdtm 12460431_1.5.2.3.5
 7934 19:41:40.078969  Ending use of test pattern.
 7935 19:41:40.079324  Ending test lava.1_kselftest-lkdtm (12460431_1.5.2.3.5), duration 63.12
 7937 19:41:40.080554  <LAVA_TEST_RUNNER EXIT>

 7938 19:41:40.081200  ok: lava_test_shell seems to have completed
 7939 19:41:40.084112  lkdtm_ACCESS_NULL_sh: pass
lkdtm_ACCESS_USERSPACE_sh: pass
lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh: skip
lkdtm_BUG_sh: pass
lkdtm_CFI_FORWARD_PROTO_sh: fail
lkdtm_CORRUPT_LIST_ADD_sh: fail
lkdtm_CORRUPT_LIST_DEL_sh: fail
lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh: skip
lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh: skip
lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh: skip
lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh: skip
lkdtm_EXCEPTION_sh: pass
lkdtm_EXEC_DATA_sh: pass
lkdtm_EXEC_KMALLOC_sh: pass
lkdtm_EXEC_NULL_sh: pass
lkdtm_EXEC_RODATA_sh: pass
lkdtm_EXEC_STACK_sh: pass
lkdtm_EXEC_USERSPACE_sh: pass
lkdtm_EXEC_VMALLOC_sh: pass
lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh: skip
lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh: skip
lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh: skip
lkdtm_LOOP_sh_selftests_lkdtm_loop_sh: skip
lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh: skip
lkdtm_PANIC_sh_selftests_lkdtm_panic_sh: skip
lkdtm_READ_AFTER_FREE_sh: fail
lkdtm_READ_BUDDY_AFTER_FREE_sh: fail
lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh: pass
lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_OVERFLOW_sh: pass
lkdtm_REFCOUNT_ADD_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_ZERO_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_ZERO_sh: pass
lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh: pass
lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_OVERFLOW_sh: pass
lkdtm_REFCOUNT_INC_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_ZERO_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh: skip
lkdtm_SLAB_FREE_CROSS_sh: fail
lkdtm_SLAB_FREE_DOUBLE_sh: fail
lkdtm_SLAB_FREE_PAGE_sh: fail
lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh: skip
lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh: skip
lkdtm_STACKLEAK_ERASING_sh: fail
lkdtm_STACK_GUARD_PAGE_LEADING_sh: pass
lkdtm_STACK_GUARD_PAGE_TRAILING_sh: pass
lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh: skip
lkdtm_UNSET_SMEP_sh: pass
lkdtm_USERCOPY_HEAP_SIZE_FROM_sh: fail
lkdtm_USERCOPY_HEAP_SIZE_TO_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh: fail
lkdtm_USERCOPY_KERNEL_sh: fail
lkdtm_USERCOPY_STACK_BEYOND_sh: fail
lkdtm_USERCOPY_STACK_FRAME_FROM_sh: fail
lkdtm_USERCOPY_STACK_FRAME_TO_sh: fail
lkdtm_WARNING_MESSAGE_sh: pass
lkdtm_WARNING_sh: pass
lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh: skip
lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh: skip
lkdtm_WRITE_KERN_sh: pass
lkdtm_WRITE_RO_AFTER_INIT_sh: pass
lkdtm_WRITE_RO_sh: pass
shardfile-lkdtm: pass

 7940 19:41:40.084695  end: 3.1 lava-test-shell (duration 00:01:04) [common]
 7941 19:41:40.085123  end: 3 lava-test-retry (duration 00:01:04) [common]
 7942 19:41:40.085572  start: 4 finalize (timeout 00:07:30) [common]
 7943 19:41:40.086045  start: 4.1 power-off (timeout 00:00:30) [common]
 7944 19:41:40.086976  Calling: 'pduclient' '--daemon=localhost' '--hostname=asus-C523NA-A20057-coral-cbg-1' '--port=1' '--command=off'
 7945 19:41:40.197395  >> Command sent successfully.

 7946 19:41:40.200863  Returned 0 in 0 seconds
 7947 19:41:40.301722  end: 4.1 power-off (duration 00:00:00) [common]
 7949 19:41:40.303257  start: 4.2 read-feedback (timeout 00:07:29) [common]
 7950 19:41:40.304574  Listened to connection for namespace 'common' for up to 1s
 7951 19:41:40.305612  Listened to connection for namespace 'common' for up to 1s
 7952 19:41:40.306118  Listened to connection for namespace 'common' for up to 1s
 7953 19:41:40.306450  Listened to connection for namespace 'common' for up to 1s
 7954 19:41:40.306796  Listened to connection for namespace 'common' for up to 1s
 7955 19:41:40.307121  Listened to connection for namespace 'common' for up to 1s
 7956 19:41:40.307480  Listened to connection for namespace 'common' for up to 1s
 7957 19:41:40.307817  Listened to connection for namespace 'common' for up to 1s
 7958 19:41:40.308105  Listened to connection for namespace 'common' for up to 1s
 7959 19:41:40.311057  Listened to connection for namespace 'common' for up to 1s
 7960 19:41:40.311531  Listened to connection for namespace 'common' for up to 1s
 7961 19:41:40.312322  Listened to connection for namespace 'common' for up to 1s
 7962 19:41:40.312756  Listened to connection for namespace 'common' for up to 1s
 7963 19:41:40.313945  Listened to connection for namespace 'common' for up to 1s
 7964 19:41:40.314276  Listened to connection for namespace 'common' for up to 1s
 7965 19:41:40.314659  Listened to connection for namespace 'common' for up to 1s
 7966 19:41:40.315539  Listened to connection for namespace 'common' for up to 1s
 7967 19:41:40.316467  Listened to connection for namespace 'common' for up to 1s
 7968 19:41:40.317242  Listened to connection for namespace 'common' for up to 1s
 7969 19:41:40.319402  Listened to connection for namespace 'common' for up to 1s
 7970 19:41:40.319765  Listened to connection for namespace 'common' for up to 1s
 7971 19:41:40.320587  Listened to connection for namespace 'common' for up to 1s
 7972 19:41:40.320867  Listened to connection for namespace 'common' for up to 1s
 7973 19:41:40.325074  Listened to connection for namespace 'common' for up to 1s
 7974 19:41:40.325355  Listened to connection for namespace 'common' for up to 1s
 7975 19:41:40.325628  Listened to connection for namespace 'common' for up to 1s
 7976 19:41:40.327217  Listened to connection for namespace 'common' for up to 1s
 7977 19:41:40.327651  Listened to connection for namespace 'common' for up to 1s
 7978 19:41:40.328065  Listened to connection for namespace 'common' for up to 1s
 7979 19:41:40.330853  Listened to connection for namespace 'common' for up to 1s
 7980 19:41:40.332409  Listened to connection for namespace 'common' for up to 1s
 7981 19:41:40.334303  Listened to connection for namespace 'common' for up to 1s
 7982 19:41:40.335024  Listened to connection for namespace 'common' for up to 1s
 7983 19:41:40.336667  Listened to connection for namespace 'common' for up to 1s
 7984 19:41:40.338633  Listened to connection for namespace 'common' for up to 1s
 7985 19:41:40.338935  Listened to connection for namespace 'common' for up to 1s
 7986 19:41:40.339349  Listened to connection for namespace 'common' for up to 1s
 7987 19:41:40.339940  Listened to connection for namespace 'common' for up to 1s
 7988 19:41:40.340662  Listened to connection for namespace 'common' for up to 1s
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 8610 19:41:40.979486  Listened to connection for namespace 'common' for up to 1s
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 8627 19:41:40.998870  Listened to connection for namespace 'common' for up to 1s
 8628 19:41:40.999270  Listened to connection for namespace 'common' for up to 1s
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 8630 19:41:41.004489  Listened to connection for namespace 'common' for up to 1s
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 8633 19:41:41.006756  Listened to connection for namespace 'common' for up to 1s
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 8639 19:41:41.014770  Listened to connection for namespace 'common' for up to 1s
 8640 19:41:41.015560  Listened to connection for namespace 'common' for up to 1s
 8641 19:41:41.017376  Listened to connection for namespace 'common' for up to 1s
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 8643 19:41:41.018293  Listened to connection for namespace 'common' for up to 1s
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 8650 19:41:41.023271  Listened to connection for namespace 'common' for up to 1s
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 8660 19:41:41.040935  Listened to connection for namespace 'common' for up to 1s
 8661 19:41:41.041800  Listened to connection for namespace 'common' for up to 1s
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 8664 19:41:41.044433  Listened to connection for namespace 'common' for up to 1s
 8665 19:41:41.045169  Listened to connection for namespace 'common' for up to 1s
 8666 19:41:41.045831  Listened to connection for namespace 'common' for up to 1s
 8667 19:41:41.047400  Listened to connection for namespace 'common' for up to 1s
 8668 19:41:41.048256  Listened to connection for namespace 'common' for up to 1s
 8669 19:41:41.049325  Listened to connection for namespace 'common' for up to 1s
 8670 19:41:41.050042  Listened to connection for namespace 'common' for up to 1s
 8671 19:41:41.050775  Listened to connection for namespace 'common' for up to 1s
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 8673 19:41:41.053435  Listened to connection for namespace 'common' for up to 1s
 8674 19:41:41.054157  Listened to connection for namespace 'common' for up to 1s
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 8680 19:41:41.062999  Listened to connection for namespace 'common' for up to 1s
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 8685 19:41:41.068890  Listened to connection for namespace 'common' for up to 1s
 8686 19:41:41.070146  Listened to connection for namespace 'common' for up to 1s
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 8869 19:41:41.249151  Listened to connection for namespace 'common' for up to 1s
 8870 19:41:41.249851  Listened to connection for namespace 'common' for up to 1s
 8871 19:41:41.250154  Listened to connection for namespace 'common' for up to 1s
 8872 19:41:41.250865  Listened to connection for namespace 'common' for up to 1s
 8873 19:41:41.251376  Listened to connection for namespace 'common' for up to 1s
 8874 19:41:41.255098  Listened to connection for namespace 'common' for up to 1s
 8875 19:41:41.255409  Listened to connection for namespace 'common' for up to 1s
 8876 19:41:41.256097  Listened to connection for namespace 'common' for up to 1s
 8877 19:41:41.257179  Listened to connection for namespace 'common' for up to 1s
 8878 19:41:41.257511  Listened to connection for namespace 'common' for up to 1s
 8879 19:41:41.258138  Listened to connection for namespace 'common' for up to 1s
 8880 19:41:41.258738  Listened to connection for namespace 'common' for up to 1s
 8881 19:41:41.260722  Listened to connection for namespace 'common' for up to 1s
 8882 19:41:41.261298  Listened to connection for namespace 'common' for up to 1s
 8883 19:41:41.263579  Listened to connection for namespace 'common' for up to 1s
 8884 19:41:41.264937  Listened to connection for namespace 'common' for up to 1s
 8885 19:41:41.265250  Listened to connection for namespace 'common' for up to 1s
 8886 19:41:41.265909  Listened to connection for namespace 'common' for up to 1s
 8887 19:41:41.266729  Listened to connection for namespace 'common' for up to 1s
 8888 19:41:41.267039  Listened to connection for namespace 'common' for up to 1s
 8889 19:41:41.267798  Listened to connection for namespace 'common' for up to 1s
 8890 19:41:41.268320  Listened to connection for namespace 'common' for up to 1s
 8891 19:41:41.268643  Listened to connection for namespace 'common' for up to 1s
 8892 19:41:41.269611  Listened to connection for namespace 'common' for up to 1s
 8893 19:41:41.271471  Listened to connection for namespace 'common' for up to 1s
 8894 19:41:41.272388  Listened to connection for namespace 'common' for up to 1s
 8895 19:41:41.273103  Listened to connection for namespace 'common' for up to 1s
 8896 19:41:41.273722  Listened to connection for namespace 'common' for up to 1s
 8897 19:41:41.274319  Listened to connection for namespace 'common' for up to 1s
 8898 19:41:41.276107  Listened to connection for namespace 'common' for up to 1s
 8899 19:41:41.276716  Listened to connection for namespace 'common' for up to 1s
 8900 19:41:41.277210  Listened to connection for namespace 'common' for up to 1s
 8901 19:41:41.278131  Listened to connection for namespace 'common' for up to 1s
 8902 19:41:41.278834  Listened to connection for namespace 'common' for up to 1s
 8903 19:41:41.279446  Listened to connection for namespace 'common' for up to 1s
 8904 19:41:41.280921  Listened to connection for namespace 'common' for up to 1s
 8905 19:41:41.281285  Listened to connection for namespace 'common' for up to 1s
 8906 19:41:41.281899  Listened to connection for namespace 'common' for up to 1s
 8907 19:41:41.282822  Listened to connection for namespace 'common' for up to 1s
 8908 19:41:41.283135  Listened to connection for namespace 'common' for up to 1s
 8909 19:41:41.283443  Listened to connection for namespace 'common' for up to 1s
 8910 19:41:41.284844  Listened to connection for namespace 'common' for up to 1s
 8911 19:41:41.285587  Listened to connection for namespace 'common' for up to 1s
 8912 19:41:41.286892  Listened to connection for namespace 'common' for up to 1s
 8913 19:41:41.287684  Listened to connection for namespace 'common' for up to 1s
 8914 19:41:41.288293  Listened to connection for namespace 'common' for up to 1s
 8915 19:41:41.291471  Listened to connection for namespace 'common' for up to 1s
 8916 19:41:41.291784  Listened to connection for namespace 'common' for up to 1s
 8917 19:41:41.292173  Listened to connection for namespace 'common' for up to 1s
 8918 19:41:41.292920  Listened to connection for namespace 'common' for up to 1s
 8919 19:41:41.295662  Listened to connection for namespace 'common' for up to 1s
 8920 19:41:41.296444  Listened to connection for namespace 'common' for up to 1s
 8921 19:41:41.297554  Listened to connection for namespace 'common' for up to 1s
 8922 19:41:41.298838  Listened to connection for namespace 'common' for up to 1s
 8923 19:41:41.299159  Listened to connection for namespace 'common' for up to 1s
 8924 19:41:41.300475  Listened to connection for namespace 'common' for up to 1s
 8925 19:41:41.302178  Listened to connection for namespace 'common' for up to 1s
 8926 19:41:41.302490  Listened to connection for namespace 'common' for up to 1s
 8927 19:41:41.303110  Listened to connection for namespace 'common' for up to 1s
 8928 19:41:41.303858  Finalising connection for namespace 'common'
 8929 19:41:41.303965  Disconnecting from shell: Finalise
 8930 19:41:41.304034  / # 
 8931 19:41:41.404507  end: 4.2 read-feedback (duration 00:00:01) [common]
 8932 19:41:41.404648  end: 4 finalize (duration 00:00:01) [common]
 8933 19:41:41.404758  Cleaning after the job
 8934 19:41:41.404857  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12460431/tftp-deploy-vmk2__j9/ramdisk
 8935 19:41:41.406492  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12460431/tftp-deploy-vmk2__j9/kernel
 8936 19:41:41.409045  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12460431/tftp-deploy-vmk2__j9/nfsrootfs
 8937 19:41:41.501185  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12460431/tftp-deploy-vmk2__j9/modules
 8938 19:41:41.504691  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/12460431
 8939 19:41:42.106404  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/12460431
 8940 19:41:42.106631  Job finished correctly