Boot log: hp-11A-G6-EE-grunt

    1 13:51:29.188838  lava-dispatcher, installed at version: 2023.10
    2 13:51:29.189046  start: 0 validate
    3 13:51:29.189175  Start time: 2023-12-14 13:51:29.189168+00:00 (UTC)
    4 13:51:29.189299  Using caching service: 'http://localhost/cache/?uri=%s'
    5 13:51:29.189433  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 13:51:29.462316  Using caching service: 'http://localhost/cache/?uri=%s'
    7 13:51:29.463011  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.201-cip41-69-g8f7b450fc28ed%2Fx86_64%2Fx86_64_defconfig%2Bx86-board%2Bkselftest%2Fgcc-10%2Fkernel%2FbzImage exists
    8 13:51:29.724667  Using caching service: 'http://localhost/cache/?uri=%s'
    9 13:51:29.725367  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 13:51:29.994461  Using caching service: 'http://localhost/cache/?uri=%s'
   11 13:51:29.995194  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.201-cip41-69-g8f7b450fc28ed%2Fx86_64%2Fx86_64_defconfig%2Bx86-board%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   12 13:51:30.264268  validate duration: 1.08
   14 13:51:30.264549  start: 1 tftp-deploy (timeout 00:10:00) [common]
   15 13:51:30.264646  start: 1.1 download-retry (timeout 00:10:00) [common]
   16 13:51:30.264731  start: 1.1.1 http-download (timeout 00:10:00) [common]
   17 13:51:30.264848  Not decompressing ramdisk as can be used compressed.
   18 13:51:30.264936  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230623.0/amd64/initrd.cpio.gz
   19 13:51:30.265001  saving as /var/lib/lava/dispatcher/tmp/12269278/tftp-deploy-uw6o1onf/ramdisk/initrd.cpio.gz
   20 13:51:30.265090  total size: 5432480 (5 MB)
   21 13:51:30.266393  progress   0 % (0 MB)
   22 13:51:30.268176  progress   5 % (0 MB)
   23 13:51:30.269765  progress  10 % (0 MB)
   24 13:51:30.271327  progress  15 % (0 MB)
   25 13:51:30.273210  progress  20 % (1 MB)
   26 13:51:30.274869  progress  25 % (1 MB)
   27 13:51:30.276259  progress  30 % (1 MB)
   28 13:51:30.277872  progress  35 % (1 MB)
   29 13:51:30.279289  progress  40 % (2 MB)
   30 13:51:30.280759  progress  45 % (2 MB)
   31 13:51:30.282211  progress  50 % (2 MB)
   32 13:51:30.283736  progress  55 % (2 MB)
   33 13:51:30.285107  progress  60 % (3 MB)
   34 13:51:30.286511  progress  65 % (3 MB)
   35 13:51:30.288117  progress  70 % (3 MB)
   36 13:51:30.289482  progress  75 % (3 MB)
   37 13:51:30.290922  progress  80 % (4 MB)
   38 13:51:30.292337  progress  85 % (4 MB)
   39 13:51:30.293870  progress  90 % (4 MB)
   40 13:51:30.295279  progress  95 % (4 MB)
   41 13:51:30.296678  progress 100 % (5 MB)
   42 13:51:30.296900  5 MB downloaded in 0.03 s (162.87 MB/s)
   43 13:51:30.297077  end: 1.1.1 http-download (duration 00:00:00) [common]
   45 13:51:30.297328  end: 1.1 download-retry (duration 00:00:00) [common]
   46 13:51:30.297418  start: 1.2 download-retry (timeout 00:10:00) [common]
   47 13:51:30.297504  start: 1.2.1 http-download (timeout 00:10:00) [common]
   48 13:51:30.297645  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-69-g8f7b450fc28ed/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kernel/bzImage
   49 13:51:30.297716  saving as /var/lib/lava/dispatcher/tmp/12269278/tftp-deploy-uw6o1onf/kernel/bzImage
   50 13:51:30.297778  total size: 17275200 (16 MB)
   51 13:51:30.297840  No compression specified
   52 13:51:30.299022  progress   0 % (0 MB)
   53 13:51:30.303492  progress   5 % (0 MB)
   54 13:51:30.307960  progress  10 % (1 MB)
   55 13:51:30.312597  progress  15 % (2 MB)
   56 13:51:30.317074  progress  20 % (3 MB)
   57 13:51:30.321555  progress  25 % (4 MB)
   58 13:51:30.326202  progress  30 % (4 MB)
   59 13:51:30.330686  progress  35 % (5 MB)
   60 13:51:30.335130  progress  40 % (6 MB)
   61 13:51:30.339777  progress  45 % (7 MB)
   62 13:51:30.344244  progress  50 % (8 MB)
   63 13:51:30.348659  progress  55 % (9 MB)
   64 13:51:30.353243  progress  60 % (9 MB)
   65 13:51:30.357909  progress  65 % (10 MB)
   66 13:51:30.362659  progress  70 % (11 MB)
   67 13:51:30.367040  progress  75 % (12 MB)
   68 13:51:30.371422  progress  80 % (13 MB)
   69 13:51:30.376036  progress  85 % (14 MB)
   70 13:51:30.380430  progress  90 % (14 MB)
   71 13:51:30.384814  progress  95 % (15 MB)
   72 13:51:30.389358  progress 100 % (16 MB)
   73 13:51:30.389536  16 MB downloaded in 0.09 s (179.56 MB/s)
   74 13:51:30.389698  end: 1.2.1 http-download (duration 00:00:00) [common]
   76 13:51:30.389934  end: 1.2 download-retry (duration 00:00:00) [common]
   77 13:51:30.390041  start: 1.3 download-retry (timeout 00:10:00) [common]
   78 13:51:30.390130  start: 1.3.1 http-download (timeout 00:10:00) [common]
   79 13:51:30.390273  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230623.0/amd64/full.rootfs.tar.xz
   80 13:51:30.390345  saving as /var/lib/lava/dispatcher/tmp/12269278/tftp-deploy-uw6o1onf/nfsrootfs/full.rootfs.tar
   81 13:51:30.390408  total size: 207157356 (197 MB)
   82 13:51:30.390473  Using unxz to decompress xz
   83 13:51:30.394065  progress   0 % (0 MB)
   84 13:51:30.960835  progress   5 % (9 MB)
   85 13:51:31.504883  progress  10 % (19 MB)
   86 13:51:32.140716  progress  15 % (29 MB)
   87 13:51:32.517767  progress  20 % (39 MB)
   88 13:51:32.890951  progress  25 % (49 MB)
   89 13:51:33.507461  progress  30 % (59 MB)
   90 13:51:34.082917  progress  35 % (69 MB)
   91 13:51:34.692756  progress  40 % (79 MB)
   92 13:51:35.258161  progress  45 % (88 MB)
   93 13:51:35.844963  progress  50 % (98 MB)
   94 13:51:36.488738  progress  55 % (108 MB)
   95 13:51:37.195832  progress  60 % (118 MB)
   96 13:51:37.337320  progress  65 % (128 MB)
   97 13:51:37.476609  progress  70 % (138 MB)
   98 13:51:37.570352  progress  75 % (148 MB)
   99 13:51:37.640813  progress  80 % (158 MB)
  100 13:51:37.711519  progress  85 % (167 MB)
  101 13:51:37.811328  progress  90 % (177 MB)
  102 13:51:38.087047  progress  95 % (187 MB)
  103 13:51:38.694401  progress 100 % (197 MB)
  104 13:51:38.700928  197 MB downloaded in 8.31 s (23.77 MB/s)
  105 13:51:38.701217  end: 1.3.1 http-download (duration 00:00:08) [common]
  107 13:51:38.701611  end: 1.3 download-retry (duration 00:00:08) [common]
  108 13:51:38.701731  start: 1.4 download-retry (timeout 00:09:52) [common]
  109 13:51:38.701850  start: 1.4.1 http-download (timeout 00:09:52) [common]
  110 13:51:38.702062  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-69-g8f7b450fc28ed/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/modules.tar.xz
  111 13:51:38.702163  saving as /var/lib/lava/dispatcher/tmp/12269278/tftp-deploy-uw6o1onf/modules/modules.tar
  112 13:51:38.702261  total size: 3316536 (3 MB)
  113 13:51:38.702363  Using unxz to decompress xz
  114 13:51:38.706387  progress   0 % (0 MB)
  115 13:51:38.712140  progress   5 % (0 MB)
  116 13:51:38.720623  progress  10 % (0 MB)
  117 13:51:38.728861  progress  15 % (0 MB)
  118 13:51:38.739814  progress  20 % (0 MB)
  119 13:51:38.751221  progress  25 % (0 MB)
  120 13:51:38.759781  progress  30 % (0 MB)
  121 13:51:38.772055  progress  35 % (1 MB)
  122 13:51:38.783526  progress  40 % (1 MB)
  123 13:51:38.793724  progress  45 % (1 MB)
  124 13:51:38.803409  progress  50 % (1 MB)
  125 13:51:38.812998  progress  55 % (1 MB)
  126 13:51:38.824547  progress  60 % (1 MB)
  127 13:51:38.834266  progress  65 % (2 MB)
  128 13:51:38.843888  progress  70 % (2 MB)
  129 13:51:38.853536  progress  75 % (2 MB)
  130 13:51:38.863539  progress  80 % (2 MB)
  131 13:51:38.875500  progress  85 % (2 MB)
  132 13:51:38.885335  progress  90 % (2 MB)
  133 13:51:38.895215  progress  95 % (3 MB)
  134 13:51:38.905517  progress 100 % (3 MB)
  135 13:51:38.910638  3 MB downloaded in 0.21 s (15.18 MB/s)
  136 13:51:38.910875  end: 1.4.1 http-download (duration 00:00:00) [common]
  138 13:51:38.911129  end: 1.4 download-retry (duration 00:00:00) [common]
  139 13:51:38.911223  start: 1.5 prepare-tftp-overlay (timeout 00:09:51) [common]
  140 13:51:38.911318  start: 1.5.1 extract-nfsrootfs (timeout 00:09:51) [common]
  141 13:51:42.158912  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/12269278/extract-nfsrootfs-wcbz0q8k
  142 13:51:42.159129  end: 1.5.1 extract-nfsrootfs (duration 00:00:03) [common]
  143 13:51:42.159233  start: 1.5.2 lava-overlay (timeout 00:09:48) [common]
  144 13:51:42.159409  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy
  145 13:51:42.159541  makedir: /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin
  146 13:51:42.159649  makedir: /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/tests
  147 13:51:42.159748  makedir: /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/results
  148 13:51:42.159854  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-add-keys
  149 13:51:42.159999  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-add-sources
  150 13:51:42.160137  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-background-process-start
  151 13:51:42.160269  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-background-process-stop
  152 13:51:42.160399  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-common-functions
  153 13:51:42.160523  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-echo-ipv4
  154 13:51:42.160650  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-install-packages
  155 13:51:42.160774  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-installed-packages
  156 13:51:42.160900  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-os-build
  157 13:51:42.161024  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-probe-channel
  158 13:51:42.161153  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-probe-ip
  159 13:51:42.161279  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-target-ip
  160 13:51:42.161402  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-target-mac
  161 13:51:42.161526  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-target-storage
  162 13:51:42.161653  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-test-case
  163 13:51:42.161780  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-test-event
  164 13:51:42.161906  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-test-feedback
  165 13:51:42.162047  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-test-raise
  166 13:51:42.162174  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-test-reference
  167 13:51:42.162299  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-test-runner
  168 13:51:42.162423  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-test-set
  169 13:51:42.162549  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-test-shell
  170 13:51:42.162687  Updating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-add-keys (debian)
  171 13:51:42.162873  Updating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-add-sources (debian)
  172 13:51:42.163019  Updating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-install-packages (debian)
  173 13:51:42.163171  Updating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-installed-packages (debian)
  174 13:51:42.163317  Updating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/bin/lava-os-build (debian)
  175 13:51:42.163444  Creating /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/environment
  176 13:51:42.163545  LAVA metadata
  177 13:51:42.163618  - LAVA_JOB_ID=12269278
  178 13:51:42.163682  - LAVA_DISPATCHER_IP=192.168.201.1
  179 13:51:42.163796  start: 1.5.2.1 lava-vland-overlay (timeout 00:09:48) [common]
  180 13:51:42.163864  skipped lava-vland-overlay
  181 13:51:42.163942  end: 1.5.2.1 lava-vland-overlay (duration 00:00:00) [common]
  182 13:51:42.164024  start: 1.5.2.2 lava-multinode-overlay (timeout 00:09:48) [common]
  183 13:51:42.164087  skipped lava-multinode-overlay
  184 13:51:42.164160  end: 1.5.2.2 lava-multinode-overlay (duration 00:00:00) [common]
  185 13:51:42.164240  start: 1.5.2.3 test-definition (timeout 00:09:48) [common]
  186 13:51:42.164317  Loading test definitions
  187 13:51:42.164409  start: 1.5.2.3.1 inline-repo-action (timeout 00:09:48) [common]
  188 13:51:42.164484  Using /lava-12269278 at stage 0
  189 13:51:42.164774  uuid=12269278_1.5.2.3.1 testdef=None
  190 13:51:42.164864  end: 1.5.2.3.1 inline-repo-action (duration 00:00:00) [common]
  191 13:51:42.164949  start: 1.5.2.3.2 test-overlay (timeout 00:09:48) [common]
  192 13:51:42.165410  end: 1.5.2.3.2 test-overlay (duration 00:00:00) [common]
  194 13:51:42.165664  start: 1.5.2.3.3 test-install-overlay (timeout 00:09:48) [common]
  195 13:51:42.166246  end: 1.5.2.3.3 test-install-overlay (duration 00:00:00) [common]
  197 13:51:42.166528  start: 1.5.2.3.4 test-runscript-overlay (timeout 00:09:48) [common]
  198 13:51:42.167087  runner path: /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/0/tests/0_timesync-off test_uuid 12269278_1.5.2.3.1
  199 13:51:42.167247  end: 1.5.2.3.4 test-runscript-overlay (duration 00:00:00) [common]
  201 13:51:42.167477  start: 1.5.2.3.5 git-repo-action (timeout 00:09:48) [common]
  202 13:51:42.167552  Using /lava-12269278 at stage 0
  203 13:51:42.167652  Fetching tests from https://github.com/kernelci/test-definitions.git
  204 13:51:42.167732  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/0/tests/1_kselftest-lkdtm'
  205 13:51:44.968668  Running '/usr/bin/git checkout kernelci.org
  206 13:51:45.188939  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  207 13:51:45.189662  uuid=12269278_1.5.2.3.5 testdef=None
  208 13:51:45.189824  end: 1.5.2.3.5 git-repo-action (duration 00:00:03) [common]
  210 13:51:45.190120  start: 1.5.2.3.6 test-overlay (timeout 00:09:45) [common]
  211 13:51:45.190852  end: 1.5.2.3.6 test-overlay (duration 00:00:00) [common]
  213 13:51:45.191122  start: 1.5.2.3.7 test-install-overlay (timeout 00:09:45) [common]
  214 13:51:45.192333  end: 1.5.2.3.7 test-install-overlay (duration 00:00:00) [common]
  216 13:51:45.192573  start: 1.5.2.3.8 test-runscript-overlay (timeout 00:09:45) [common]
  217 13:51:45.293523  runner path: /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/0/tests/1_kselftest-lkdtm test_uuid 12269278_1.5.2.3.5
  218 13:51:45.293706  BOARD='hp-11A-G6-EE-grunt'
  219 13:51:45.293812  BRANCH='cip-gitlab'
  220 13:51:45.293911  SKIPFILE='/dev/null'
  221 13:51:45.294031  SKIP_INSTALL='True'
  222 13:51:45.294091  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-69-g8f7b450fc28ed/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz'
  223 13:51:45.294265  TST_CASENAME=''
  224 13:51:45.294330  TST_CMDFILES='lkdtm'
  225 13:51:45.294505  end: 1.5.2.3.8 test-runscript-overlay (duration 00:00:00) [common]
  227 13:51:45.294782  Creating lava-test-runner.conf files
  228 13:51:45.294879  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/12269278/lava-overlay-ssxqn2hy/lava-12269278/0 for stage 0
  229 13:51:45.295011  - 0_timesync-off
  230 13:51:45.295141  - 1_kselftest-lkdtm
  231 13:51:45.295313  end: 1.5.2.3 test-definition (duration 00:00:03) [common]
  232 13:51:45.295468  start: 1.5.2.4 compress-overlay (timeout 00:09:45) [common]
  233 13:51:53.252172  end: 1.5.2.4 compress-overlay (duration 00:00:08) [common]
  234 13:51:53.252366  start: 1.5.2.5 persistent-nfs-overlay (timeout 00:09:37) [common]
  235 13:51:53.252495  end: 1.5.2.5 persistent-nfs-overlay (duration 00:00:00) [common]
  236 13:51:53.252618  end: 1.5.2 lava-overlay (duration 00:00:11) [common]
  237 13:51:53.252723  start: 1.5.3 extract-overlay-ramdisk (timeout 00:09:37) [common]
  238 13:51:53.385476  end: 1.5.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  239 13:51:53.385868  start: 1.5.4 extract-modules (timeout 00:09:37) [common]
  240 13:51:53.386038  extracting modules file /var/lib/lava/dispatcher/tmp/12269278/tftp-deploy-uw6o1onf/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12269278/extract-nfsrootfs-wcbz0q8k
  241 13:51:53.488902  extracting modules file /var/lib/lava/dispatcher/tmp/12269278/tftp-deploy-uw6o1onf/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12269278/extract-overlay-ramdisk-h4d6jrqc/ramdisk
  242 13:51:53.596225  end: 1.5.4 extract-modules (duration 00:00:00) [common]
  243 13:51:53.596449  start: 1.5.5 apply-overlay-tftp (timeout 00:09:37) [common]
  244 13:51:53.596584  [common] Applying overlay to NFS
  245 13:51:53.596687  [common] Applying overlay /var/lib/lava/dispatcher/tmp/12269278/compress-overlay-_05asgo_/overlay-1.5.2.4.tar.gz to directory /var/lib/lava/dispatcher/tmp/12269278/extract-nfsrootfs-wcbz0q8k
  246 13:51:54.574269  end: 1.5.5 apply-overlay-tftp (duration 00:00:01) [common]
  247 13:51:54.574451  start: 1.5.6 configure-preseed-file (timeout 00:09:36) [common]
  248 13:51:54.574544  end: 1.5.6 configure-preseed-file (duration 00:00:00) [common]
  249 13:51:54.574639  start: 1.5.7 compress-ramdisk (timeout 00:09:36) [common]
  250 13:51:54.574722  Building ramdisk /var/lib/lava/dispatcher/tmp/12269278/extract-overlay-ramdisk-h4d6jrqc/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/12269278/extract-overlay-ramdisk-h4d6jrqc/ramdisk
  251 13:51:54.968151  >> 67824 blocks

  252 13:51:56.462030  rename /var/lib/lava/dispatcher/tmp/12269278/extract-overlay-ramdisk-h4d6jrqc/ramdisk.cpio.gz to /var/lib/lava/dispatcher/tmp/12269278/tftp-deploy-uw6o1onf/ramdisk/ramdisk.cpio.gz
  253 13:51:56.462448  end: 1.5.7 compress-ramdisk (duration 00:00:02) [common]
  254 13:51:56.462578  start: 1.5.8 prepare-kernel (timeout 00:09:34) [common]
  255 13:51:56.462673  start: 1.5.8.1 prepare-fit (timeout 00:09:34) [common]
  256 13:51:56.462767  No mkimage arch provided, not using FIT.
  257 13:51:56.462854  end: 1.5.8.1 prepare-fit (duration 00:00:00) [common]
  258 13:51:56.462957  end: 1.5.8 prepare-kernel (duration 00:00:00) [common]
  259 13:51:56.463070  end: 1.5 prepare-tftp-overlay (duration 00:00:18) [common]
  260 13:51:56.463161  start: 1.6 lxc-create-udev-rule-action (timeout 00:09:34) [common]
  261 13:51:56.463246  No LXC device requested
  262 13:51:56.463335  end: 1.6 lxc-create-udev-rule-action (duration 00:00:00) [common]
  263 13:51:56.463431  start: 1.7 deploy-device-env (timeout 00:09:34) [common]
  264 13:51:56.463515  end: 1.7 deploy-device-env (duration 00:00:00) [common]
  265 13:51:56.463588  Checking files for TFTP limit of 4294967296 bytes.
  266 13:51:56.463998  end: 1 tftp-deploy (duration 00:00:26) [common]
  267 13:51:56.464097  start: 2 depthcharge-action (timeout 00:05:00) [common]
  268 13:51:56.464188  start: 2.1 depthcharge-overlay (timeout 00:05:00) [common]
  269 13:51:56.464311  substitutions:
  270 13:51:56.464379  - {DTB}: None
  271 13:51:56.464454  - {INITRD}: 12269278/tftp-deploy-uw6o1onf/ramdisk/ramdisk.cpio.gz
  272 13:51:56.464517  - {KERNEL}: 12269278/tftp-deploy-uw6o1onf/kernel/bzImage
  273 13:51:56.464575  - {LAVA_MAC}: None
  274 13:51:56.464630  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/12269278/extract-nfsrootfs-wcbz0q8k
  275 13:51:56.464684  - {NFS_SERVER_IP}: 192.168.201.1
  276 13:51:56.464737  - {PRESEED_CONFIG}: None
  277 13:51:56.464790  - {PRESEED_LOCAL}: None
  278 13:51:56.464860  - {RAMDISK}: 12269278/tftp-deploy-uw6o1onf/ramdisk/ramdisk.cpio.gz
  279 13:51:56.464915  - {ROOT_PART}: None
  280 13:51:56.464967  - {ROOT}: None
  281 13:51:56.465020  - {SERVER_IP}: 192.168.201.1
  282 13:51:56.465072  - {TEE}: None
  283 13:51:56.465125  Parsed boot commands:
  284 13:51:56.465180  - tftpboot 192.168.201.1 {DEPTHCHARGE_KERNEL} {CMDLINE} {DEPTHCHARGE_RAMDISK}
  285 13:51:56.465349  Parsed boot commands: tftpboot 192.168.201.1 12269278/tftp-deploy-uw6o1onf/kernel/bzImage 12269278/tftp-deploy-uw6o1onf/kernel/cmdline 12269278/tftp-deploy-uw6o1onf/ramdisk/ramdisk.cpio.gz
  286 13:51:56.465442  end: 2.1 depthcharge-overlay (duration 00:00:00) [common]
  287 13:51:56.465536  start: 2.2 depthcharge-retry (timeout 00:05:00) [common]
  288 13:51:56.465627  start: 2.2.1 reset-connection (timeout 00:05:00) [common]
  289 13:51:56.465714  start: 2.2.1.1 disconnect-device (timeout 00:05:00) [common]
  290 13:51:56.465784  Not connected, no need to disconnect.
  291 13:51:56.465857  end: 2.2.1.1 disconnect-device (duration 00:00:00) [common]
  292 13:51:56.465934  start: 2.2.1.2 connect-device (timeout 00:05:00) [common]
  293 13:51:56.466057  [common] connect-device Connecting to device using '/usr/local/bin/chromebook-console.sh hp-11A-G6-EE-grunt-cbg-0'
  294 13:51:56.469333  Setting prompt string to ['lava-test: # ']
  295 13:51:56.469655  end: 2.2.1.2 connect-device (duration 00:00:00) [common]
  296 13:51:56.469772  end: 2.2.1 reset-connection (duration 00:00:00) [common]
  297 13:51:56.469906  start: 2.2.2 reset-device (timeout 00:05:00) [common]
  298 13:51:56.470049  start: 2.2.2.1 pdu-reboot (timeout 00:05:00) [common]
  299 13:51:56.470237  Calling: 'pduclient' '--daemon=localhost' '--hostname=hp-11A-G6-EE-grunt-cbg-0' '--port=1' '--command=reboot'
  300 13:52:01.600627  >> Command sent successfully.

  301 13:52:01.602957  Returned 0 in 5 seconds
  302 13:52:01.703388  end: 2.2.2.1 pdu-reboot (duration 00:00:05) [common]
  304 13:52:01.703758  end: 2.2.2 reset-device (duration 00:00:05) [common]
  305 13:52:01.703865  start: 2.2.3 depthcharge-start (timeout 00:04:55) [common]
  306 13:52:01.703954  Setting prompt string to 'Starting depthcharge on grunt...'
  307 13:52:01.704028  Changing prompt to 'Starting depthcharge on grunt...'
  308 13:52:01.704102  depthcharge-start: Wait for prompt Starting depthcharge on grunt... (timeout 00:05:00)
  309 13:52:01.704362  [Enter `^Ec?' for help]

  310 13:52:02.120006  

  311 13:52:02.120178  

  312 13:52:02.127935  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 bootblock starting...

  313 13:52:02.128073  Family_Model: 00670f00

  314 13:52:02.131866  PMxC0 STATUS: 0x80800 DoReset BIT11 

  315 13:52:02.135685  DW I2C bus 1 at 0xfedc3000 (400 KHz)

  316 13:52:02.139137  VBOOT: Loading verstage.

  317 13:52:02.142374  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  318 13:52:02.145737  CBFS: Locating 'fallback/verstage'

  319 13:52:02.149072  CBFS: Found @ offset aa8c0 size d5a4

  320 13:52:02.166207  

  321 13:52:02.166652  

  322 13:52:02.169135  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 verstage starting...

  323 13:52:02.176134  Probing TPM I2C: done! DID_VID 0x00281ae0

  324 13:52:02.176253  TPM ready after 0 ms

  325 13:52:02.179342  cr50 TPM 2.0 (i2c 1:0x50 id 0x28)

  326 13:52:02.219735  TPM: setup succeeded

  327 13:52:02.235989  src/security/tpm/tss/tcg-2.0/tss.c:177 index 0x1007 return code 0

  328 13:52:02.239250  Chrome EC: UHEPI supported

  329 13:52:02.239381  Phase 1

  330 13:52:02.245910  FMAP: Found "FLASH" version 1.1 at d7f000.

  331 13:52:02.249250  FMAP: base = ff000000 size = 1000000 #areas = 30

  332 13:52:02.252886  FMAP: area GBB found @ d80000 (458752 bytes)

  333 13:52:02.258989  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0

  334 13:52:02.259176  Phase 2

  335 13:52:02.262279  Phase 3

  336 13:52:02.265984  FMAP: area GBB found @ d80000 (458752 bytes)

  337 13:52:02.272566  VB2:vb2_report_dev_firmware() This is developer signed firmware

  338 13:52:02.276131  FMAP: area VBLOCK_A found @ 21000 (65536 bytes)

  339 13:52:02.279186  FMAP: area VBLOCK_A found @ 21000 (65536 bytes)

  340 13:52:02.285613  VB2:vb2_verify_keyblock() Checking key block signature...

  341 13:52:02.313080  FMAP: area VBLOCK_A found @ 21000 (65536 bytes)

  342 13:52:02.316084  FMAP: area VBLOCK_A found @ 21000 (65536 bytes)

  343 13:52:02.319829  VB2:vb2_verify_fw_preamble() Verifying preamble.

  344 13:52:02.328460  Phase 4

  345 13:52:02.331577  FMAP: area FW_MAIN_A found @ 31000 (2154432 bytes)

  346 13:52:02.338325  VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW

  347 13:52:02.457033  VB2:vb2_rsa_verify_digest() Digest check failed!

  348 13:52:02.460242  VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7

  349 13:52:02.463503  Saving nvdata

  350 13:52:02.464077  Reboot requested (10020007)

  351 13:52:02.466562  board_reset() called!

  352 13:52:02.600487  

  353 13:52:02.601177  

  354 13:52:02.601654  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 bootblock starting...

  355 13:52:02.602243  Family_Model: 00670f00

  356 13:52:02.602669  PMxC0 STATUS: 0x80800 DoReset BIT11 

  357 13:52:02.603055  DW I2C bus 1 at 0xfedc3000 (400 KHz)

  358 13:52:02.603944  VBOOT: Loading verstage.

  359 13:52:02.604600  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  360 13:52:02.605219  CBFS: Locating 'fallback/verstage'

  361 13:52:02.608604  CBFS: Found @ offset aa8c0 size d5a4

  362 13:52:02.616954  

  363 13:52:02.617382  

  364 13:52:02.620205  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 verstage starting...

  365 13:52:02.627252  Probing TPM I2C: done! DID_VID 0x00281ae0

  366 13:52:02.627701  TPM ready after 0 ms

  367 13:52:02.630371  cr50 TPM 2.0 (i2c 1:0x50 id 0x28)

  368 13:52:02.670478  TPM: setup succeeded

  369 13:52:02.686779  src/security/tpm/tss/tcg-2.0/tss.c:177 index 0x1007 return code 0

  370 13:52:02.690422  Chrome EC: UHEPI supported

  371 13:52:02.690856  Phase 1

  372 13:52:02.696703  FMAP: Found "FLASH" version 1.1 at d7f000.

  373 13:52:02.700033  FMAP: base = ff000000 size = 1000000 #areas = 30

  374 13:52:02.703362  FMAP: area GBB found @ d80000 (458752 bytes)

  375 13:52:02.710231  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7

  376 13:52:02.716769  VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0

  377 13:52:02.720229  Recovery requested (1009000e)

  378 13:52:02.720721  Saving nvdata

  379 13:52:02.736643  tlcl_extend: response is 0

  380 13:52:02.750025  tlcl_extend: response is 0

  381 13:52:02.757237  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  382 13:52:02.760022  CBFS: Locating 'fallback/romstage'

  383 13:52:02.763468  CBFS: Found @ offset 80 size d2e4

  384 13:52:02.764006  

  385 13:52:02.764523  

  386 13:52:02.770278  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 romstage starting...

  387 13:52:02.776874  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  388 13:52:02.777425  CBFS: Locating 'smu_fw'

  389 13:52:02.779994  CBFS: Found @ offset 7bc00 size 12262

  390 13:52:02.807278  PSP: Load blob type 19 from @ffe6bc38... OK

  391 13:52:02.810661  Google Chrome set keyboard backlight: 4 status (0)

  392 13:52:02.811144  POST: 0x37

  393 13:52:02.813689  agesawrapper_amdinitreset() entry

  394 13:52:02.820765  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  395 13:52:02.823945  CBFS: Locating 'AGESA_PRE_MEM'

  396 13:52:02.827320  CBFS: Found @ offset df80 size 53bcc

  397 13:52:02.836771  agesawrapper_amdinitreset() returned AGESA_SUCCESS

  398 13:52:02.837209  POST: 0x38

  399 13:52:02.839918  agesawrapper_amdinitearly() entry

  400 13:52:02.854964  Warning - AGESA callout: platform_PcieSlotResetControl not supported

  401 13:52:02.861185  Warning - AGESA callout: platform_PcieSlotResetControl not supported

  402 13:52:02.883370  agesawrapper_amdinitearly() returned AGESA_SUCCESS

  403 13:52:02.883804  POST: 0x40

  404 13:52:02.886630  agesawrapper_amdinitpost() entry

  405 13:52:02.889879  DRAM clear on reset: Keep

  406 13:52:02.893693  variant_mainboard_read_spd SPD index 8

  407 13:52:02.899873  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  408 13:52:02.903303  CBFS: Locating 'spd.bin'

  409 13:52:02.906696  CBFS: Found @ offset 79bc0 size 2000

  410 13:52:03.167198  AGESA set: umamode UMA_SPECIFIED

  411 13:52:03.173694           : syslimit 0x12effffff, bottomio 0x00d00000

  412 13:52:03.176931           : uma size 16MB, uma start 0xcf000000

  413 13:52:03.183437  agesawrapper_amdinitpost() returned AGESA_SUCCESS

  414 13:52:03.183525  POST: 0x41

  415 13:52:03.186698  Boot Count incremented to 104361

  416 13:52:03.186786  POST: 0x42

  417 13:52:03.193787  PSP: Notify that DRAM is available... OK

  418 13:52:03.193875  POST: 0x43

  419 13:52:03.193970  CBMEM:

  420 13:52:03.197162  IMD: root @ cdfff000 254 entries.

  421 13:52:03.200222  IMD: root @ cdffec00 62 entries.

  422 13:52:03.204010  External stage cache:

  423 13:52:03.206777  IMD: root @ cefff000 254 entries.

  424 13:52:03.210210  IMD: root @ ceffec00 62 entries.

  425 13:52:03.213441  creating vboot_handoff structure

  426 13:52:03.217282  Chrome EC: UHEPI supported

  427 13:52:03.220435  Chrome EC: clear events_b mask to 0x0000000021004000

  428 13:52:03.224059  POST: 0x44

  429 13:52:03.227420  MTRR Range: Start=cd000000 End=ce000000 (Size 1000000)

  430 13:52:03.234084  MTRR Range: Start=ff000000 End=0 (Size 1000000)

  431 13:52:03.237451  MTRR Range: Start=ce800000 End=cf000000 (Size 800000)

  432 13:52:03.237549  POST: 0x45

  433 13:52:03.243850  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  434 13:52:03.247184  CBFS: Locating 'fallback/postcar'

  435 13:52:03.250614  CBFS: Found @ offset a2a80 size 41f4

  436 13:52:03.257264  Decompressing stage fallback/postcar @ 0xcdfa1fc0 (33488 bytes)

  437 13:52:03.268005  Loading module at cdfa2000 with entry cdfa2000. filesize: 0x3fd0 memsize: 0x8290

  438 13:52:03.271281  Processing 114 relocs. Offset value of 0xcbfa2000

  439 13:52:03.275457  

  440 13:52:03.275545  

  441 13:52:03.278729  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 postcar starting...

  442 13:52:03.285560  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  443 13:52:03.288905  CBFS: Locating 'fallback/ramstage'

  444 13:52:03.292016  CBFS: Found @ offset 61bc0 size 17f95

  445 13:52:03.298446  Decompressing stage fallback/ramstage @ 0xcde9efc0 (1055256 bytes)

  446 13:52:03.335590  Loading module at cde9f000 with entry cde9f000. filesize: 0x37198 memsize: 0x1019d8

  447 13:52:03.339227  Processing 3480 relocs. Offset value of 0xcdd9f000

  448 13:52:03.339716  

  449 13:52:03.340059  

  450 13:52:03.345793  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 ramstage starting...

  451 13:52:03.346380  POST: 0x39

  452 13:52:03.352166  FMAP: Found "FLASH" version 1.1 at d7f000.

  453 13:52:03.355854  FMAP: base = ff000000 size = 1000000 #areas = 30

  454 13:52:03.359188  FMAP: area RO_VPD found @ c00000 (16384 bytes)

  455 13:52:03.362316  WARNING: RO_VPD is uninitialized or empty.

  456 13:52:03.368899  FMAP: area RW_VPD found @ 465000 (8192 bytes)

  457 13:52:03.372029  FMAP: area RW_VPD found @ 465000 (8192 bytes)

  458 13:52:03.408683  POST: 0x80

  459 13:52:03.409233  Normal boot.

  460 13:52:03.409614  POST: 0x46

  461 13:52:03.415122  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  462 13:52:03.418517  CBFS: Locating 'smu_fw2'

  463 13:52:03.421906  CBFS: Found @ offset 8dec0 size 4cf2

  464 13:52:03.433073  PSP: Load blob type 1a from @ffe7def8... OK

  465 13:52:03.433630  POST: 0x47

  466 13:52:03.436257  agesawrapper_amdinitenv() entry

  467 13:52:03.439530  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  468 13:52:03.443270  CBFS: Locating 'AGESA_POST_MEM'

  469 13:52:03.446403  CBFS: Found @ offset b7f00 size 135b2

  470 13:52:03.452870  Decompressing stage AGESA_POST_MEM @ 0xcde6cfc0 (198492 bytes)

  471 13:52:03.484788  Loading module at cde6d000 with entry cde6d000. filesize: 0x2f340 memsize: 0x2f480

  472 13:52:03.487976  Processing 1271 relocs. Offset value of 0xce06d000

  473 13:52:03.491717  AGESA: Saving stage to cache

  474 13:52:03.495123  Fch OEM config in INIT ENV Done

  475 13:52:03.534202  agesawrapper_amdinitenv() returned AGESA_SUCCESS

  476 13:52:03.534724  POST: 0x70

  477 13:52:03.540798  BS: BS_PRE_DEVICE times (us): entry 124196 run 1059 exit 1

  478 13:52:03.541346  POST: 0x71

  479 13:52:03.541870  Board ID: 6

  480 13:52:03.544021  mainboard: EC init

  481 13:52:03.547627  Chrome EC: Set SMI mask to 0x0000000000000000

  482 13:52:03.550893  Chrome EC: UHEPI supported

  483 13:52:03.554019  Chrome EC: Set S5 LAZY WAKE mask to 0x0000000000000006

  484 13:52:03.561049  Chrome EC: Set S3 LAZY WAKE mask to 0x0000000010001006

  485 13:52:03.564539  Chrome EC: Set WAKE mask to 0x0000000000000000

  486 13:52:03.567892  DW I2C bus 0 at 0xfedc2000 (400 KHz)

  487 13:52:03.571060  DW I2C bus 2 at 0xfedc4000 (400 KHz)

  488 13:52:03.574309  DW I2C bus 3 at 0xfedc5000 (400 KHz)

  489 13:52:03.581097  FMAP: area RW_ELOG found @ 45d000 (16384 bytes)

  490 13:52:03.581537  Manufacturer: ef

  491 13:52:03.587732  SF: Detected W25Q128FW with sector size 0x1000, total 0x1000000

  492 13:52:03.590861  ELOG: NV offset 0x45d000 size 0x4000

  493 13:52:03.599892  ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024

  494 13:52:03.606441  ELOG: Event(17) added with size 13 at 2023-12-14 13:51:21 UTC

  495 13:52:03.609705  POST: Unexpected post code in previous boot: 0x90

  496 13:52:03.616740  ELOG: Event(A3) added with size 11 at 2023-12-14 13:51:21 UTC

  497 13:52:03.623283  ELOG: Event(9F) added with size 14 at 2023-12-14 13:51:21 UTC

  498 13:52:03.623777  PM1_STS: PWRBTN BMSTATUS 

  499 13:52:03.629815  setup_bsp_ramtop, TOP MEM: msr.lo = 0xd0000000, msr.hi = 0x00000000

  500 13:52:03.636411  setup_bsp_ramtop, TOP MEM2: msr.lo = 0x2f000000, msr.hi = 0x00000001

  501 13:52:03.639508  BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 96186 exit 0

  502 13:52:03.643008  POST: 0x72

  503 13:52:03.643092  Enumerating buses...

  504 13:52:03.646426  Show all devs... Before device enumeration.

  505 13:52:03.649557  Root Device: enabled 1

  506 13:52:03.652716  CPU_CLUSTER: 0: enabled 1

  507 13:52:03.652803  DOMAIN: 0000: enabled 1

  508 13:52:03.656485  MMIO: fedc2000: enabled 1

  509 13:52:03.659740  MMIO: fedc3000: enabled 1

  510 13:52:03.663207  MMIO: fedc4000: enabled 1

  511 13:52:03.663307  MMIO: fedc5000: enabled 1

  512 13:52:03.666292  APIC: 10: enabled 1

  513 13:52:03.669587  PCI: 00:00.0: enabled 1

  514 13:52:03.669676  PCI: 00:00.2: enabled 0

  515 13:52:03.673010  PCI: 00:01.0: enabled 1

  516 13:52:03.676354  PCI: 00:01.1: enabled 1

  517 13:52:03.676467  PCI: 00:02.0: enabled 1

  518 13:52:03.679676  PCI: 00:02.1: enabled 1

  519 13:52:03.679764  PCI: 00:02.2: enabled 1

  520 13:52:03.682721  PCI: 00:02.3: enabled 1

  521 13:52:03.686507  PCI: 00:02.4: enabled 1

  522 13:52:03.686591  PCI: 00:02.5: enabled 1

  523 13:52:03.689799  PCI: 00:08.0: enabled 1

  524 13:52:03.693114  PCI: 00:09.0: enabled 1

  525 13:52:03.693195  PCI: 00:09.2: enabled 1

  526 13:52:03.696341  PCI: 00:10.0: enabled 1

  527 13:52:03.699477  PCI: 00:11.0: enabled 0

  528 13:52:03.699561  PCI: 00:12.0: enabled 1

  529 13:52:03.702765  PCI: 00:14.0: enabled 1

  530 13:52:03.706273  PCI: 00:14.3: enabled 1

  531 13:52:03.706388  PCI: 00:14.7: enabled 1

  532 13:52:03.709523  PCI: 00:18.0: enabled 1

  533 13:52:03.712713  PCI: 00:18.1: enabled 1

  534 13:52:03.712797  PCI: 00:18.2: enabled 1

  535 13:52:03.716060  PCI: 00:18.3: enabled 1

  536 13:52:03.719289  PCI: 00:18.4: enabled 1

  537 13:52:03.719373  PCI: 00:18.5: enabled 1

  538 13:52:03.722930  GENERIC: 0.0: enabled 1

  539 13:52:03.726439  I2C: 00:1a: enabled 1

  540 13:52:03.726529  GENERIC: 0.1: enabled 1

  541 13:52:03.729628  I2C: 00:50: enabled 1

  542 13:52:03.729713  I2C: 00:15: enabled 1

  543 13:52:03.732676  I2C: 00:39: enabled 1

  544 13:52:03.736390  I2C: 00:10: enabled 1

  545 13:52:03.736486  PCI: 00:00.0: enabled 1

  546 13:52:03.739571  PNP: 0c09.0: enabled 1

  547 13:52:03.739653  Compare with tree...

  548 13:52:03.742877  Root Device: enabled 1

  549 13:52:03.746159   CPU_CLUSTER: 0: enabled 1

  550 13:52:03.746248    APIC: 10: enabled 1

  551 13:52:03.749270   DOMAIN: 0000: enabled 1

  552 13:52:03.752536    PCI: 00:00.0: enabled 1

  553 13:52:03.752620    PCI: 00:00.2: enabled 0

  554 13:52:03.755809    PCI: 00:01.0: enabled 1

  555 13:52:03.759593    PCI: 00:01.1: enabled 1

  556 13:52:03.762682    PCI: 00:02.0: enabled 1

  557 13:52:03.762766    PCI: 00:02.1: enabled 1

  558 13:52:03.766122    PCI: 00:02.2: enabled 1

  559 13:52:03.769421    PCI: 00:02.3: enabled 1

  560 13:52:03.769506    PCI: 00:02.4: enabled 1

  561 13:52:03.772811     PCI: 00:00.0: enabled 1

  562 13:52:03.776098    PCI: 00:02.5: enabled 1

  563 13:52:03.779400    PCI: 00:08.0: enabled 1

  564 13:52:03.779503    PCI: 00:09.0: enabled 1

  565 13:52:03.782511    PCI: 00:09.2: enabled 1

  566 13:52:03.785778    PCI: 00:10.0: enabled 1

  567 13:52:03.785871    PCI: 00:11.0: enabled 0

  568 13:52:03.789095    PCI: 00:12.0: enabled 1

  569 13:52:03.792418    PCI: 00:14.0: enabled 1

  570 13:52:03.796184    PCI: 00:14.3: enabled 1

  571 13:52:03.796282     PNP: 0c09.0: enabled 1

  572 13:52:03.799556    PCI: 00:14.7: enabled 1

  573 13:52:03.802693    PCI: 00:18.0: enabled 1

  574 13:52:03.802842    PCI: 00:18.1: enabled 1

  575 13:52:03.806095    PCI: 00:18.2: enabled 1

  576 13:52:03.809412    PCI: 00:18.3: enabled 1

  577 13:52:03.809537    PCI: 00:18.4: enabled 1

  578 13:52:03.813229    PCI: 00:18.5: enabled 1

  579 13:52:03.816620   MMIO: fedc2000: enabled 1

  580 13:52:03.819914    GENERIC: 0.0: enabled 1

  581 13:52:03.820098    I2C: 00:1a: enabled 1

  582 13:52:03.823021    GENERIC: 0.1: enabled 1

  583 13:52:03.826685   MMIO: fedc3000: enabled 1

  584 13:52:03.826865    I2C: 00:50: enabled 1

  585 13:52:03.830289   MMIO: fedc4000: enabled 1

  586 13:52:03.833562    I2C: 00:15: enabled 1

  587 13:52:03.833960   MMIO: fedc5000: enabled 1

  588 13:52:03.837003    I2C: 00:39: enabled 1

  589 13:52:03.840189    I2C: 00:10: enabled 1

  590 13:52:03.840703  Mainboard Grunt Enable.

  591 13:52:03.843213  Root Device scanning...

  592 13:52:03.846696  root_dev_scan_bus for Root Device

  593 13:52:03.846785  CPU_CLUSTER: 0 enabled

  594 13:52:03.849776  DOMAIN: 0000 enabled

  595 13:52:03.853134  MMIO: fedc2000 enabled

  596 13:52:03.853218  MMIO: fedc3000 enabled

  597 13:52:03.856350  MMIO: fedc4000 enabled

  598 13:52:03.859750  MMIO: fedc5000 enabled

  599 13:52:03.859839  DOMAIN: 0000 scanning...

  600 13:52:03.863410  PCI: pci_scan_bus for bus 00

  601 13:52:03.863495  POST: 0x24

  602 13:52:03.866633  sb_enable

  603 13:52:03.870045  PCI: 00:00.0 [1022/1576] enabled

  604 13:52:03.870130  sb_enable

  605 13:52:03.870197  sb_enable

  606 13:52:03.873498  PCI: 00:01.0 [1002/98e4] enabled

  607 13:52:03.873583  sb_enable

  608 13:52:03.876704  PCI: 00:01.1 [1002/15b3] enabled

  609 13:52:03.879584  sb_enable

  610 13:52:03.879668  PCI: 00:02.0 [1022/157b] enabled

  611 13:52:03.883209  sb_enable

  612 13:52:03.886707  PCI: Static device PCI: 00:02.1 not found, disabling it.

  613 13:52:03.886792  sb_enable

  614 13:52:03.889730  Capability: type 0x01 @ 0x50

  615 13:52:03.893131  Capability: type 0x10 @ 0x58

  616 13:52:03.897104  Capability: type 0x05 @ 0xa0

  617 13:52:03.900274  Capability: type 0x0d @ 0xc0

  618 13:52:03.900372  Capability: type 0x08 @ 0xc8

  619 13:52:03.903474  Capability: type 0x01 @ 0x50

  620 13:52:03.907089  Capability: type 0x10 @ 0x58

  621 13:52:03.910477  PCI: 00:02.2 subordinate bus PCI Express

  622 13:52:03.913499  PCI: 00:02.2 [1022/157c] enabled

  623 13:52:03.913626  sb_enable

  624 13:52:03.920255  PCI: Static device PCI: 00:02.3 not found, disabling it.

  625 13:52:03.920485  sb_enable

  626 13:52:03.923573  Capability: type 0x01 @ 0x50

  627 13:52:03.926821  Capability: type 0x10 @ 0x58

  628 13:52:03.926978  Capability: type 0x05 @ 0xa0

  629 13:52:03.929977  Capability: type 0x0d @ 0xc0

  630 13:52:03.933597  Capability: type 0x08 @ 0xc8

  631 13:52:03.937146  Capability: type 0x01 @ 0x50

  632 13:52:03.940206  Capability: type 0x10 @ 0x58

  633 13:52:03.943601  PCI: 00:02.4 subordinate bus PCI Express

  634 13:52:03.946882  PCI: 00:02.4 [1022/157c] enabled

  635 13:52:03.947236  sb_enable

  636 13:52:03.950423  PCI: Static device PCI: 00:02.5 not found, disabling it.

  637 13:52:03.953539  PCI: 00:03.0 [1022/157b] enabled

  638 13:52:03.956724  sb_enable

  639 13:52:03.957038  PCI: 00:08.0 [1022/1578] enabled

  640 13:52:03.960253  sb_enable

  641 13:52:03.963580  PCI: 00:09.0 [1022/157d] enabled

  642 13:52:03.963823  sb_enable

  643 13:52:03.966983  PCI: Static device PCI: 00:09.2 not found, disabling it.

  644 13:52:03.970098  sb_enable

  645 13:52:03.973374  PCI: 00:10.0 [1022/0000] bus ops

  646 13:52:03.973619  PCI: 00:10.0 [1022/7914] enabled

  647 13:52:03.977012  sb_enable

  648 13:52:03.977363  sb_enable

  649 13:52:03.980073  PCI: 00:12.0 [1022/0000] bus ops

  650 13:52:03.983249  PCI: 00:12.0 [1022/7908] enabled

  651 13:52:03.983517  sb_enable

  652 13:52:03.986640  PCI: 00:14.0 [1022/790b] bus ops

  653 13:52:03.989838  PCI: 00:14.0 [1022/790b] enabled

  654 13:52:03.990159  sb_enable

  655 13:52:03.993310  PCI: 00:14.3 [1022/0000] bus ops

  656 13:52:03.996599  PCI: 00:14.3 [1022/790e] enabled

  657 13:52:03.996902  sb_enable

  658 13:52:04.000141  PCI: 00:14.7 [1022/7906] enabled

  659 13:52:04.000448  sb_enable

  660 13:52:04.003363  PCI: 00:18.0 [1022/15b0] ops

  661 13:52:04.006516  PCI: 00:18.0 [1022/15b0] enabled

  662 13:52:04.006921  sb_enable

  663 13:52:04.009840  PCI: 00:18.1 [1022/15b1] enabled

  664 13:52:04.013043  sb_enable

  665 13:52:04.013439  PCI: 00:18.2 [1022/15b2] enabled

  666 13:52:04.016833  sb_enable

  667 13:52:04.020122  PCI: 00:18.3 [1022/15b3] enabled

  668 13:52:04.020568  sb_enable

  669 13:52:04.023286  PCI: 00:18.4 [1022/15b4] enabled

  670 13:52:04.023807  sb_enable

  671 13:52:04.026653  PCI: 00:18.5 [1022/15b5] enabled

  672 13:52:04.027131  POST: 0x25

  673 13:52:04.029827  PCI: 00:02.2 scanning...

  674 13:52:04.033035  do_pci_scan_bridge for PCI: 00:02.2

  675 13:52:04.036756  PCI: pci_scan_bus for bus 01

  676 13:52:04.037304  POST: 0x24

  677 13:52:04.040083  PCI: 01:00.0 [168c/003e] enabled

  678 13:52:04.040547  POST: 0x25

  679 13:52:04.043464  POST: 0x55

  680 13:52:04.043899  Capability: type 0x01 @ 0x40

  681 13:52:04.046801  Capability: type 0x05 @ 0x50

  682 13:52:04.050159  Capability: type 0x10 @ 0x70

  683 13:52:04.053466  Capability: type 0x01 @ 0x50

  684 13:52:04.053894  Capability: type 0x10 @ 0x58

  685 13:52:04.056924  Enabling Common Clock Configuration

  686 13:52:04.060336  ASPM: Enabled L0s and L1

  687 13:52:04.063632  Capability: type 0x01 @ 0x40

  688 13:52:04.067011  Capability: type 0x05 @ 0x50

  689 13:52:04.070503  Capability: type 0x10 @ 0x70

  690 13:52:04.073801  scan_bus: scanning of bus PCI: 00:02.2 took 40758 usecs

  691 13:52:04.076776  PCI: 00:02.4 scanning...

  692 13:52:04.080021  do_pci_scan_bridge for PCI: 00:02.4

  693 13:52:04.080646  PCI: pci_scan_bus for bus 02

  694 13:52:04.083470  POST: 0x24

  695 13:52:04.086938  PCI: 02:00.0 [1217/0000] ops

  696 13:52:04.087526  PCI: 02:00.0 [1217/8620] enabled

  697 13:52:04.089851  POST: 0x25

  698 13:52:04.089972  POST: 0x55

  699 13:52:04.093162  Capability: type 0x01 @ 0x6c

  700 13:52:04.096177  Capability: type 0x05 @ 0x48

  701 13:52:04.096291  Capability: type 0x10 @ 0x80

  702 13:52:04.100189  Capability: type 0x01 @ 0x50

  703 13:52:04.103134  Capability: type 0x10 @ 0x58

  704 13:52:04.106790  ASPM: Enabled L0s and L1

  705 13:52:04.110149  Capability: type 0x01 @ 0x6c

  706 13:52:04.110246  Capability: type 0x05 @ 0x48

  707 13:52:04.113392  Capability: type 0x10 @ 0x80

  708 13:52:04.119718  scan_bus: scanning of bus PCI: 00:02.4 took 40319 usecs

  709 13:52:04.119804  PCI: 00:10.0 scanning...

  710 13:52:04.122916  scan_usb_bus for PCI: 00:10.0

  711 13:52:04.126531  scan_usb_bus for PCI: 00:10.0 done

  712 13:52:04.132756  scan_bus: scanning of bus PCI: 00:10.0 took 8113 usecs

  713 13:52:04.132896  PCI: 00:12.0 scanning...

  714 13:52:04.136864  scan_usb_bus for PCI: 00:12.0

  715 13:52:04.139429  scan_usb_bus for PCI: 00:12.0 done

  716 13:52:04.146605  scan_bus: scanning of bus PCI: 00:12.0 took 8112 usecs

  717 13:52:04.146731  PCI: 00:14.0 scanning...

  718 13:52:04.150123  scan_generic_bus for PCI: 00:14.0

  719 13:52:04.153493  scan_generic_bus for PCI: 00:14.0 done

  720 13:52:04.160168  scan_bus: scanning of bus PCI: 00:14.0 took 8806 usecs

  721 13:52:04.160356  PCI: 00:14.3 scanning...

  722 13:52:04.163313  scan_lpc_bus for PCI: 00:14.3

  723 13:52:04.166577  PNP: 0c09.0 enabled

  724 13:52:04.169918  scan_lpc_bus for PCI: 00:14.3 done

  725 13:52:04.173385  scan_bus: scanning of bus PCI: 00:14.3 took 9966 usecs

  726 13:52:04.173690  POST: 0x55

  727 13:52:04.180018  scan_bus: scanning of bus DOMAIN: 0000 took 315134 usecs

  728 13:52:04.183357  MMIO: fedc2000 scanning...

  729 13:52:04.186547  scan_generic_bus for MMIO: fedc2000

  730 13:52:04.189931  bus: MMIO: fedc2000[0]->GENERIC: 0.0 enabled

  731 13:52:04.193436  bus: MMIO: fedc2000[0]->I2C: 01:1a enabled

  732 13:52:04.196418  bus: MMIO: fedc2000[0]->GENERIC: 0.1 enabled

  733 13:52:04.200231  scan_generic_bus for MMIO: fedc2000 done

  734 13:52:04.206479  scan_bus: scanning of bus MMIO: fedc2000 took 21209 usecs

  735 13:52:04.209983  MMIO: fedc3000 scanning...

  736 13:52:04.213404  scan_generic_bus for MMIO: fedc3000

  737 13:52:04.216330  bus: MMIO: fedc3000[0]->I2C: 02:50 enabled

  738 13:52:04.219988  scan_generic_bus for MMIO: fedc3000 done

  739 13:52:04.223087  scan_bus: scanning of bus MMIO: fedc3000 took 13176 usecs

  740 13:52:04.226252  MMIO: fedc4000 scanning...

  741 13:52:04.229600  scan_generic_bus for MMIO: fedc4000

  742 13:52:04.233502  bus: MMIO: fedc4000[0]->I2C: 03:15 enabled

  743 13:52:04.236800  scan_generic_bus for MMIO: fedc4000 done

  744 13:52:04.243165  scan_bus: scanning of bus MMIO: fedc4000 took 13151 usecs

  745 13:52:04.246712  MMIO: fedc5000 scanning...

  746 13:52:04.250082  scan_generic_bus for MMIO: fedc5000

  747 13:52:04.253255  bus: MMIO: fedc5000[0]->I2C: 04:39 enabled

  748 13:52:04.256923  bus: MMIO: fedc5000[0]->I2C: 04:10 enabled

  749 13:52:04.259660  scan_generic_bus for MMIO: fedc5000 done

  750 13:52:04.262951  scan_bus: scanning of bus MMIO: fedc5000 took 16981 usecs

  751 13:52:04.269575  root_dev_scan_bus for Root Device done

  752 13:52:04.272931  scan_bus: scanning of bus Root Device took 426254 usecs

  753 13:52:04.273357  done

  754 13:52:04.279686  BS: BS_DEV_ENUMERATE times (us): entry 0 run 631196 exit 0

  755 13:52:04.280116  POST: 0x73

  756 13:52:04.282956  found VGA at PCI: 00:01.0

  757 13:52:04.286613  Setting up VGA for PCI: 00:01.0

  758 13:52:04.289911  Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000

  759 13:52:04.293191  Setting PCI_BRIDGE_CTL_VGA for bridge Root Device

  760 13:52:04.296695  Allocating resources...

  761 13:52:04.299987  Reading resources...

  762 13:52:04.303098  Root Device read_resources bus 0 link: 0

  763 13:52:04.306636  CPU_CLUSTER: 0 read_resources bus 0 link: 0

  764 13:52:04.309382  CPU_CLUSTER: 0 read_resources bus 0 link: 0 done

  765 13:52:04.313004  DOMAIN: 0000 read_resources bus 0 link: 0

  766 13:52:04.319473  PCI: 00:02.2 read_resources bus 1 link: 0

  767 13:52:04.323154  PCI: 00:02.2 read_resources bus 1 link: 0 done

  768 13:52:04.326292  PCI: 00:02.4 read_resources bus 2 link: 0

  769 13:52:04.329926  PCI: 00:02.4 read_resources bus 2 link: 0 done

  770 13:52:04.336243  PCI: 00:14.3 read_resources bus 0 link: 0

  771 13:52:04.339931  PCI: 00:14.3 read_resources bus 0 link: 0 done

  772 13:52:04.342701  Adding PCIe enhanced config space BAR 0xf8000000-0xfc000000.

  773 13:52:04.349744  DOMAIN: 0000 read_resources bus 0 link: 0 done

  774 13:52:04.352810  MMIO: fedc2000 read_resources bus 1 link: 0

  775 13:52:04.356260  MMIO: fedc2000 read_resources bus 1 link: 0 done

  776 13:52:04.359349  MMIO: fedc3000 read_resources bus 2 link: 0

  777 13:52:04.366476  MMIO: fedc3000 read_resources bus 2 link: 0 done

  778 13:52:04.369612  MMIO: fedc4000 read_resources bus 3 link: 0

  779 13:52:04.373074  MMIO: fedc4000 read_resources bus 3 link: 0 done

  780 13:52:04.376472  MMIO: fedc5000 read_resources bus 4 link: 0

  781 13:52:04.383071  MMIO: fedc5000 read_resources bus 4 link: 0 done

  782 13:52:04.386484  Root Device read_resources bus 0 link: 0 done

  783 13:52:04.389886  Done reading resources.

  784 13:52:04.392926  Show resources in subtree (Root Device)...After reading.

  785 13:52:04.396219   Root Device child on link 0 CPU_CLUSTER: 0

  786 13:52:04.399546    CPU_CLUSTER: 0 child on link 0 APIC: 10

  787 13:52:04.402812     APIC: 10

  788 13:52:04.406018    DOMAIN: 0000 child on link 0 PCI: 00:00.0

  789 13:52:04.413171    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000

  790 13:52:04.423033    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100

  791 13:52:04.426080     PCI: 00:00.0

  792 13:52:04.426515     PCI: 00:00.2

  793 13:52:04.426861     PCI: 00:01.0

  794 13:52:04.436666     PCI: 00:01.0 resource base 0 size 4000000 align 26 gran 26 limit ffffffffffffffff flags 1201 index 10

  795 13:52:04.446439     PCI: 00:01.0 resource base 0 size 800000 align 23 gran 23 limit ffffffffffffffff flags 1201 index 18

  796 13:52:04.452762     PCI: 00:01.0 resource base 0 size 100 align 8 gran 8 limit ffff flags 100 index 20

  797 13:52:04.463081     PCI: 00:01.0 resource base 0 size 40000 align 18 gran 18 limit ffffffff flags 200 index 24

  798 13:52:04.469713     PCI: 00:01.0 resource base 0 size 20000 align 17 gran 17 limit ffffffff flags 2200 index 30

  799 13:52:04.472843     PCI: 00:01.1

  800 13:52:04.479788     PCI: 00:01.1 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10

  801 13:52:04.482926     PCI: 00:02.0

  802 13:52:04.483369     PCI: 00:02.1

  803 13:52:04.486119     PCI: 00:02.2 child on link 0 PCI: 01:00.0

  804 13:52:04.496317     PCI: 00:02.2 resource base 0 size 0 align 12 gran 12 limit ffffffff flags 80102 index 1c

  805 13:52:04.502908     PCI: 00:02.2 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24

  806 13:52:04.512976     PCI: 00:02.2 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20

  807 13:52:04.513490      PCI: 01:00.0

  808 13:52:04.522719      PCI: 01:00.0 resource base 0 size 200000 align 21 gran 21 limit ffffffffffffffff flags 201 index 10

  809 13:52:04.526749     PCI: 00:02.3

  810 13:52:04.529757     PCI: 00:02.4 child on link 0 PCI: 02:00.0

  811 13:52:04.536416     PCI: 00:02.4 resource base 0 size 0 align 12 gran 12 limit ffffffff flags 80102 index 1c

  812 13:52:04.546252     PCI: 00:02.4 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24

  813 13:52:04.553020     PCI: 00:02.4 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20

  814 13:52:04.556137      PCI: 02:00.0

  815 13:52:04.563184      PCI: 02:00.0 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10

  816 13:52:04.572676      PCI: 02:00.0 resource base 0 size 800 align 12 gran 11 limit ffffffff flags 200 index 14

  817 13:52:04.573365     PCI: 00:02.5

  818 13:52:04.573766     PCI: 00:03.0

  819 13:52:04.576030     PCI: 00:08.0

  820 13:52:04.586253     PCI: 00:08.0 resource base 0 size 20000 align 17 gran 17 limit ffffffffffffffff flags 1201 index 10

  821 13:52:04.592831     PCI: 00:08.0 resource base 0 size 100000 align 20 gran 20 limit ffffffff flags 200 index 18

  822 13:52:04.602716     PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 1c

  823 13:52:04.609314     PCI: 00:08.0 resource base 0 size 100000 align 20 gran 20 limit ffffffff flags 200 index 20

  824 13:52:04.619093     PCI: 00:08.0 resource base 0 size 2000 align 13 gran 13 limit ffffffff flags 200 index 24

  825 13:52:04.619531     PCI: 00:09.0

  826 13:52:04.622734     PCI: 00:09.2

  827 13:52:04.623167     PCI: 00:10.0

  828 13:52:04.632492     PCI: 00:10.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10

  829 13:52:04.632933     PCI: 00:11.0

  830 13:52:04.636000     PCI: 00:12.0

  831 13:52:04.642751     PCI: 00:12.0 resource base 0 size 100 align 12 gran 8 limit ffffffff flags 200 index 10

  832 13:52:04.643191     PCI: 00:14.0

  833 13:52:04.649432     PCI: 00:14.3 child on link 0 PNP: 0c09.0

  834 13:52:04.655972     PCI: 00:14.3 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0040100 index 10000000

  835 13:52:04.666018     PCI: 00:14.3 resource base ff000000 size 1000000 align 0 gran 0 limit 0 flags c0040200 index 10000100

  836 13:52:04.672529     PCI: 00:14.3 resource base fec10000 size 400 align 0 gran 0 limit 0 flags e0040200 index 2

  837 13:52:04.682551     PCI: 00:14.3 resource base fec00000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 3

  838 13:52:04.689250     PCI: 00:14.3 resource base fedc2000 size 4000 align 0 gran 0 limit 0 flags c0000200 index 4

  839 13:52:04.692703      PNP: 0c09.0

  840 13:52:04.699420      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

  841 13:52:04.702194     PCI: 00:14.7

  842 13:52:04.709490     PCI: 00:14.7 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10

  843 13:52:04.712819     PCI: 00:18.0

  844 13:52:04.718545     PCI: 00:18.0 resource base f8000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index c0010058

  845 13:52:04.729015     PCI: 00:18.0 resource base fec20000 size 1000 align 0 gran 0 limit 0 flags c0000200 index fec20000

  846 13:52:04.732096     PCI: 00:18.1

  847 13:52:04.732203     PCI: 00:18.2

  848 13:52:04.732297     PCI: 00:18.3

  849 13:52:04.735367     PCI: 00:18.4

  850 13:52:04.735479     PCI: 00:18.5

  851 13:52:04.742232    MMIO: fedc2000 child on link 0 GENERIC: 0.0

  852 13:52:04.742374     GENERIC: 0.0

  853 13:52:04.742475     I2C: 01:1a

  854 13:52:04.745472     GENERIC: 0.1

  855 13:52:04.748769    MMIO: fedc3000 child on link 0 I2C: 02:50

  856 13:52:04.748880     I2C: 02:50

  857 13:52:04.755493    MMIO: fedc4000 child on link 0 I2C: 03:15

  858 13:52:04.755582     I2C: 03:15

  859 13:52:04.758679    MMIO: fedc5000 child on link 0 I2C: 04:39

  860 13:52:04.762159     I2C: 04:39

  861 13:52:04.762244     I2C: 04:10

  862 13:52:04.768815  DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff

  863 13:52:04.771808  PCI: 00:02.2 io: base: 0 size: 0 align: 12 gran: 12 limit: ffffffff

  864 13:52:04.778768  PCI: 00:02.2 io: base: 0 size: 0 align: 12 gran: 12 limit: ffffffff done

  865 13:52:04.785345  PCI: 00:02.4 io: base: 0 size: 0 align: 12 gran: 12 limit: ffffffff

  866 13:52:04.792108  PCI: 00:02.4 io: base: 0 size: 0 align: 12 gran: 12 limit: ffffffff done

  867 13:52:04.795158  PCI: 00:01.0 20 *  [0x0 - 0xff] io

  868 13:52:04.802319  DOMAIN: 0000 io: base: 100 size: 100 align: 8 gran: 0 limit: ffff done

  869 13:52:04.808552  DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff

  870 13:52:04.815181  PCI: 00:02.2 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff

  871 13:52:04.822145  PCI: 00:02.2 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done

  872 13:52:04.828445  PCI: 00:02.2 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff

  873 13:52:04.832293  PCI: 01:00.0 10 *  [0x0 - 0x1fffff] mem

  874 13:52:04.838546  PCI: 00:02.2 mem: base: 200000 size: 200000 align: 21 gran: 20 limit: ffffffff done

  875 13:52:04.844989  PCI: 00:02.4 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff

  876 13:52:04.855186  PCI: 00:02.4 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done

  877 13:52:04.858487  PCI: 00:02.4 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff

  878 13:52:04.862059  PCI: 02:00.0 10 *  [0x0 - 0xfff] mem

  879 13:52:04.868500  PCI: 02:00.0 14 *  [0x1000 - 0x17ff] mem

  880 13:52:04.875180  PCI: 00:02.4 mem: base: 1800 size: 100000 align: 20 gran: 20 limit: ffffffff done

  881 13:52:04.878409  PCI: 00:01.0 10 *  [0x0 - 0x3ffffff] prefmem

  882 13:52:04.881437  PCI: 00:01.0 18 *  [0x4000000 - 0x47fffff] prefmem

  883 13:52:04.888127  PCI: 00:02.2 20 *  [0x4800000 - 0x49fffff] mem

  884 13:52:04.891895  PCI: 00:02.4 20 *  [0x4a00000 - 0x4afffff] mem

  885 13:52:04.895174  PCI: 00:08.0 18 *  [0x4b00000 - 0x4bfffff] mem

  886 13:52:04.898300  PCI: 00:08.0 20 *  [0x4c00000 - 0x4cfffff] mem

  887 13:52:04.904906  PCI: 00:01.0 24 *  [0x4d00000 - 0x4d3ffff] mem

  888 13:52:04.908071  PCI: 00:01.0 30 *  [0x4d40000 - 0x4d5ffff] mem

  889 13:52:04.911371  PCI: 00:08.0 10 *  [0x4d60000 - 0x4d7ffff] prefmem

  890 13:52:04.918229  PCI: 00:01.1 10 *  [0x4d80000 - 0x4d83fff] mem

  891 13:52:04.921644  PCI: 00:08.0 24 *  [0x4d84000 - 0x4d85fff] mem

  892 13:52:04.925003  PCI: 00:10.0 10 *  [0x4d86000 - 0x4d87fff] mem

  893 13:52:04.928138  PCI: 00:08.0 1c *  [0x4d88000 - 0x4d88fff] mem

  894 13:52:04.934886  PCI: 00:12.0 10 *  [0x4d89000 - 0x4d890ff] mem

  895 13:52:04.938037  PCI: 00:14.7 10 *  [0x4d8a000 - 0x4d8a0ff] mem

  896 13:52:04.944835  DOMAIN: 0000 mem: base: 4d8a100 size: 4d8a100 align: 26 gran: 0 limit: ffffffff done

  897 13:52:04.948021  avoid_fixed_resources: DOMAIN: 0000

  898 13:52:04.954503  avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff

  899 13:52:04.958295  avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff

  900 13:52:04.964863  constrain_resources: PCI: 00:14.3 10000000 base 00000000 limit 00000fff io (fixed)

  901 13:52:04.975129  constrain_resources: PCI: 00:14.3 10000100 base ff000000 limit ffffffff mem (fixed)

  902 13:52:04.981405  constrain_resources: PCI: 00:14.3 02 base fec10000 limit fec103ff mem (fixed)

  903 13:52:04.988174  constrain_resources: PCI: 00:14.3 03 base fec00000 limit fec00fff mem (fixed)

  904 13:52:04.994605  constrain_resources: PCI: 00:18.0 c0010058 base f8000000 limit fbffffff mem (fixed)

  905 13:52:05.001413  avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001000 limit 0000ffff

  906 13:52:05.007949  avoid_fixed_resources:@DOMAIN: 0000 10000100 base f0000000 limit f7ffffff

  907 13:52:05.008064  Setting resources...

  908 13:52:05.014703  DOMAIN: 0000 io: base:1000 size:100 align:8 gran:0 limit:ffff

  909 13:52:05.018170  PCI: 00:01.0 20 *  [0x1000 - 0x10ff] io

  910 13:52:05.024007  DOMAIN: 0000 io: next_base: 1100 size: 100 align: 8 gran: 0 done

  911 13:52:05.031206  PCI: 00:02.2 io: base:ffff size:0 align:12 gran:12 limit:ffff

  912 13:52:05.034408  PCI: 00:02.2 io: next_base: ffff size: 0 align: 12 gran: 12 done

  913 13:52:05.040832  PCI: 00:02.4 io: base:ffff size:0 align:12 gran:12 limit:ffff

  914 13:52:05.047438  PCI: 00:02.4 io: next_base: ffff size: 0 align: 12 gran: 12 done

  915 13:52:05.054385  DOMAIN: 0000 mem: base:f0000000 size:4d8a100 align:26 gran:0 limit:f7ffffff

  916 13:52:05.057522  PCI: 00:01.0 10 *  [0xf0000000 - 0xf3ffffff] prefmem

  917 13:52:05.064424  PCI: 00:01.0 18 *  [0xf4000000 - 0xf47fffff] prefmem

  918 13:52:05.067758  PCI: 00:02.2 20 *  [0xf4800000 - 0xf49fffff] mem

  919 13:52:05.071025  PCI: 00:02.4 20 *  [0xf4a00000 - 0xf4afffff] mem

  920 13:52:05.074371  PCI: 00:08.0 18 *  [0xf4b00000 - 0xf4bfffff] mem

  921 13:52:05.080843  PCI: 00:08.0 20 *  [0xf4c00000 - 0xf4cfffff] mem

  922 13:52:05.084222  PCI: 00:01.0 24 *  [0xf4d00000 - 0xf4d3ffff] mem

  923 13:52:05.087655  PCI: 00:01.0 30 *  [0xf4d40000 - 0xf4d5ffff] mem

  924 13:52:05.094227  PCI: 00:08.0 10 *  [0xf4d60000 - 0xf4d7ffff] prefmem

  925 13:52:05.097608  PCI: 00:01.1 10 *  [0xf4d80000 - 0xf4d83fff] mem

  926 13:52:05.100896  PCI: 00:08.0 24 *  [0xf4d84000 - 0xf4d85fff] mem

  927 13:52:05.107480  PCI: 00:10.0 10 *  [0xf4d86000 - 0xf4d87fff] mem

  928 13:52:05.110760  PCI: 00:08.0 1c *  [0xf4d88000 - 0xf4d88fff] mem

  929 13:52:05.114242  PCI: 00:12.0 10 *  [0xf4d89000 - 0xf4d890ff] mem

  930 13:52:05.120825  PCI: 00:14.7 10 *  [0xf4d8a000 - 0xf4d8a0ff] mem

  931 13:52:05.127371  DOMAIN: 0000 mem: next_base: f4d8a100 size: 4d8a100 align: 26 gran: 0 done

  932 13:52:05.134453  PCI: 00:02.2 prefmem: base:f7ffffff size:0 align:20 gran:20 limit:f7ffffff

  933 13:52:05.141044  PCI: 00:02.2 prefmem: next_base: f7ffffff size: 0 align: 20 gran: 20 done

  934 13:52:05.147897  PCI: 00:02.2 mem: base:f4800000 size:200000 align:21 gran:20 limit:f49fffff

  935 13:52:05.151111  PCI: 01:00.0 10 *  [0xf4800000 - 0xf49fffff] mem

  936 13:52:05.157715  PCI: 00:02.2 mem: next_base: f4a00000 size: 200000 align: 21 gran: 20 done

  937 13:52:05.164185  PCI: 00:02.4 prefmem: base:f7ffffff size:0 align:20 gran:20 limit:f7ffffff

  938 13:52:05.171309  PCI: 00:02.4 prefmem: next_base: f7ffffff size: 0 align: 20 gran: 20 done

  939 13:52:05.177451  PCI: 00:02.4 mem: base:f4a00000 size:100000 align:20 gran:20 limit:f4afffff

  940 13:52:05.180814  PCI: 02:00.0 10 *  [0xf4a00000 - 0xf4a00fff] mem

  941 13:52:05.184030  PCI: 02:00.0 14 *  [0xf4a01000 - 0xf4a017ff] mem

  942 13:52:05.190639  PCI: 00:02.4 mem: next_base: f4a01800 size: 100000 align: 20 gran: 20 done

  943 13:52:05.197412  Root Device assign_resources, bus 0 link: 0

  944 13:52:05.201306  DOMAIN: 0000 assign_resources, bus 0 link: 0

  945 13:52:05.207504  PCI: 00:01.0 10 <- [0x00f0000000 - 0x00f3ffffff] size 0x04000000 gran 0x1a prefmem64

  946 13:52:05.214157  PCI: 00:01.0 18 <- [0x00f4000000 - 0x00f47fffff] size 0x00800000 gran 0x17 prefmem64

  947 13:52:05.220725  PCI: 00:01.0 20 <- [0x0000001000 - 0x00000010ff] size 0x00000100 gran 0x08 io

  948 13:52:05.227819  PCI: 00:01.0 24 <- [0x00f4d00000 - 0x00f4d3ffff] size 0x00040000 gran 0x12 mem

  949 13:52:05.234352  PCI: 00:01.0 30 <- [0x00f4d40000 - 0x00f4d5ffff] size 0x00020000 gran 0x11 romem

  950 13:52:05.244373  PCI: 00:01.1 10 <- [0x00f4d80000 - 0x00f4d83fff] size 0x00004000 gran 0x0e mem64

  951 13:52:05.250961  PCI: 00:02.2 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 01 io

  952 13:52:05.257358  PCI: 00:02.2 24 <- [0x00f7ffffff - 0x00f7fffffe] size 0x00000000 gran 0x14 bus 01 prefmem

  953 13:52:05.267568  PCI: 00:02.2 20 <- [0x00f4800000 - 0x00f49fffff] size 0x00200000 gran 0x14 bus 01 mem

  954 13:52:05.270694  PCI: 00:02.2 assign_resources, bus 1 link: 0

  955 13:52:05.277332  PCI: 01:00.0 10 <- [0x00f4800000 - 0x00f49fffff] size 0x00200000 gran 0x15 mem64

  956 13:52:05.281103  PCI: 00:02.2 assign_resources, bus 1 link: 0

  957 13:52:05.287239  PCI: 00:02.4 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 02 io

  958 13:52:05.297467  PCI: 00:02.4 24 <- [0x00f7ffffff - 0x00f7fffffe] size 0x00000000 gran 0x14 bus 02 prefmem

  959 13:52:05.303941  PCI: 00:02.4 20 <- [0x00f4a00000 - 0x00f4afffff] size 0x00100000 gran 0x14 bus 02 mem

  960 13:52:05.307322  PCI: 00:02.4 assign_resources, bus 2 link: 0

  961 13:52:05.313967  PCI: 02:00.0 10 <- [0x00f4a00000 - 0x00f4a00fff] size 0x00001000 gran 0x0c mem

  962 13:52:05.320635  PCI: 02:00.0 14 <- [0x00f4a01000 - 0x00f4a017ff] size 0x00000800 gran 0x0b mem

  963 13:52:05.327701  PCI: 00:02.4 assign_resources, bus 2 link: 0

  964 13:52:05.334496  PCI: 00:08.0 10 <- [0x00f4d60000 - 0x00f4d7ffff] size 0x00020000 gran 0x11 prefmem64

  965 13:52:05.340829  PCI: 00:08.0 18 <- [0x00f4b00000 - 0x00f4bfffff] size 0x00100000 gran 0x14 mem

  966 13:52:05.347958  PCI: 00:08.0 1c <- [0x00f4d88000 - 0x00f4d88fff] size 0x00001000 gran 0x0c mem

  967 13:52:05.354482  PCI: 00:08.0 20 <- [0x00f4c00000 - 0x00f4cfffff] size 0x00100000 gran 0x14 mem

  968 13:52:05.360862  PCI: 00:08.0 24 <- [0x00f4d84000 - 0x00f4d85fff] size 0x00002000 gran 0x0d mem

  969 13:52:05.367654  PCI: 00:10.0 10 <- [0x00f4d86000 - 0x00f4d87fff] size 0x00002000 gran 0x0d mem64

  970 13:52:05.374545  PCI: 00:12.0 10 <- [0x00f4d89000 - 0x00f4d890ff] size 0x00000100 gran 0x08 mem

  971 13:52:05.381246  PCI: 00:14.3 assign_resources, bus 0 link: 0

  972 13:52:05.384251  PCI: 00:14.3 assign_resources, bus 0 link: 0

  973 13:52:05.390810  PCI: 00:14.7 10 <- [0x00f4d8a000 - 0x00f4d8a0ff] size 0x00000100 gran 0x08 mem64

  974 13:52:05.394024  DOMAIN: 0000 assign_resources, bus 0 link: 0

  975 13:52:05.397314  Root Device assign_resources, bus 0 link: 0

  976 13:52:05.400588  Done setting resources.

  977 13:52:05.407540  Show resources in subtree (Root Device)...After assigning values.

  978 13:52:05.410913   Root Device child on link 0 CPU_CLUSTER: 0

  979 13:52:05.414221    CPU_CLUSTER: 0 child on link 0 APIC: 10

  980 13:52:05.417553     APIC: 10

  981 13:52:05.420832    DOMAIN: 0000 child on link 0 PCI: 00:00.0

  982 13:52:05.427459    DOMAIN: 0000 resource base 1000 size 100 align 8 gran 0 limit ffff flags 40040100 index 10000000

  983 13:52:05.437332    DOMAIN: 0000 resource base f0000000 size 4d8a100 align 26 gran 0 limit f7ffffff flags 40040200 index 10000100

  984 13:52:05.447573    DOMAIN: 0000 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 10

  985 13:52:05.454064    DOMAIN: 0000 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 11

  986 13:52:05.463894    DOMAIN: 0000 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 12

  987 13:52:05.470766    DOMAIN: 0000 resource base 100000 size cdf00000 align 0 gran 0 limit 0 flags e0004200 index 13

  988 13:52:05.480776    DOMAIN: 0000 resource base ce000000 size 2000000 align 0 gran 0 limit 0 flags f0004200 index 14

  989 13:52:05.487810    DOMAIN: 0000 resource base 100000000 size 2f000000 align 0 gran 0 limit 0 flags e0004200 index 15

  990 13:52:05.491328     PCI: 00:00.0

  991 13:52:05.491755     PCI: 00:00.2

  992 13:52:05.494446     PCI: 00:01.0

  993 13:52:05.501013     PCI: 00:01.0 resource base f0000000 size 4000000 align 26 gran 26 limit f3ffffff flags 60001201 index 10

  994 13:52:05.511357     PCI: 00:01.0 resource base f4000000 size 800000 align 23 gran 23 limit f47fffff flags 60001201 index 18

  995 13:52:05.521016     PCI: 00:01.0 resource base 1000 size 100 align 8 gran 8 limit 10ff flags 60000100 index 20

  996 13:52:05.531031     PCI: 00:01.0 resource base f4d00000 size 40000 align 18 gran 18 limit f4d3ffff flags 60000200 index 24

  997 13:52:05.537989     PCI: 00:01.0 resource base f4d40000 size 20000 align 17 gran 17 limit f4d5ffff flags 60002200 index 30

  998 13:52:05.541264     PCI: 00:01.1

  999 13:52:05.547762     PCI: 00:01.1 resource base f4d80000 size 4000 align 14 gran 14 limit f4d83fff flags 60000201 index 10

 1000 13:52:05.551151     PCI: 00:02.0

 1001 13:52:05.551577     PCI: 00:02.1

 1002 13:52:05.558031     PCI: 00:02.2 child on link 0 PCI: 01:00.0

 1003 13:52:05.564328     PCI: 00:02.2 resource base ffff size 0 align 12 gran 12 limit ffff flags 60080102 index 1c

 1004 13:52:05.574768     PCI: 00:02.2 resource base f7ffffff size 0 align 20 gran 20 limit f7ffffff flags 60081202 index 24

 1005 13:52:05.625342     PCI: 00:02.2 resource base f4800000 size 200000 align 21 gran 20 limit f49fffff flags 60080202 index 20

 1006 13:52:05.625836      PCI: 01:00.0

 1007 13:52:05.626589      PCI: 01:00.0 resource base f4800000 size 200000 align 21 gran 21 limit f49fffff flags 60000201 index 10

 1008 13:52:05.626987     PCI: 00:02.3

 1009 13:52:05.627309     PCI: 00:02.4 child on link 0 PCI: 02:00.0

 1010 13:52:05.627712     PCI: 00:02.4 resource base ffff size 0 align 12 gran 12 limit ffff flags 60080102 index 1c

 1011 13:52:05.628057     PCI: 00:02.4 resource base f7ffffff size 0 align 20 gran 20 limit f7ffffff flags 60081202 index 24

 1012 13:52:05.628440     PCI: 00:02.4 resource base f4a00000 size 100000 align 20 gran 20 limit f4afffff flags 60080202 index 20

 1013 13:52:05.660422      PCI: 02:00.0

 1014 13:52:05.661204      PCI: 02:00.0 resource base f4a00000 size 1000 align 12 gran 12 limit f4a00fff flags 60000200 index 10

 1015 13:52:05.661597      PCI: 02:00.0 resource base f4a01000 size 800 align 12 gran 11 limit f4a017ff flags 60000200 index 14

 1016 13:52:05.661981     PCI: 00:02.5

 1017 13:52:05.662315     PCI: 00:03.0

 1018 13:52:05.662639     PCI: 00:08.0

 1019 13:52:05.662946     PCI: 00:08.0 resource base f4d60000 size 20000 align 17 gran 17 limit f4d7ffff flags 60001201 index 10

 1020 13:52:05.667427     PCI: 00:08.0 resource base f4b00000 size 100000 align 20 gran 20 limit f4bfffff flags 60000200 index 18

 1021 13:52:05.677929     PCI: 00:08.0 resource base f4d88000 size 1000 align 12 gran 12 limit f4d88fff flags 60000200 index 1c

 1022 13:52:05.687794     PCI: 00:08.0 resource base f4c00000 size 100000 align 20 gran 20 limit f4cfffff flags 60000200 index 20

 1023 13:52:05.697847     PCI: 00:08.0 resource base f4d84000 size 2000 align 13 gran 13 limit f4d85fff flags 60000200 index 24

 1024 13:52:05.698343     PCI: 00:09.0

 1025 13:52:05.701119     PCI: 00:09.2

 1026 13:52:05.701575     PCI: 00:10.0

 1027 13:52:05.710974     PCI: 00:10.0 resource base f4d86000 size 2000 align 13 gran 13 limit f4d87fff flags 60000201 index 10

 1028 13:52:05.711441     PCI: 00:11.0

 1029 13:52:05.714417     PCI: 00:12.0

 1030 13:52:05.724051     PCI: 00:12.0 resource base f4d89000 size 100 align 12 gran 8 limit f4d890ff flags 60000200 index 10

 1031 13:52:05.724479     PCI: 00:14.0

 1032 13:52:05.727446     PCI: 00:14.3 child on link 0 PNP: 0c09.0

 1033 13:52:05.737692     PCI: 00:14.3 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0040100 index 10000000

 1034 13:52:05.744463     PCI: 00:14.3 resource base ff000000 size 1000000 align 0 gran 0 limit 0 flags c0040200 index 10000100

 1035 13:52:05.754449     PCI: 00:14.3 resource base fec10000 size 400 align 0 gran 0 limit 0 flags e0040200 index 2

 1036 13:52:05.764108     PCI: 00:14.3 resource base fec00000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 3

 1037 13:52:05.770487     PCI: 00:14.3 resource base fedc2000 size 4000 align 0 gran 0 limit 0 flags c0000200 index 4

 1038 13:52:05.770913      PNP: 0c09.0

 1039 13:52:05.780972      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1040 13:52:05.781399     PCI: 00:14.7

 1041 13:52:05.790870     PCI: 00:14.7 resource base f4d8a000 size 100 align 12 gran 8 limit f4d8a0ff flags 60000201 index 10

 1042 13:52:05.791297     PCI: 00:18.0

 1043 13:52:05.800819     PCI: 00:18.0 resource base f8000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index c0010058

 1044 13:52:05.810631     PCI: 00:18.0 resource base fec20000 size 1000 align 0 gran 0 limit 0 flags c0000200 index fec20000

 1045 13:52:05.811056     PCI: 00:18.1

 1046 13:52:05.814220     PCI: 00:18.2

 1047 13:52:05.814637     PCI: 00:18.3

 1048 13:52:05.817556     PCI: 00:18.4

 1049 13:52:05.818006     PCI: 00:18.5

 1050 13:52:05.820742    MMIO: fedc2000 child on link 0 GENERIC: 0.0

 1051 13:52:05.823918     GENERIC: 0.0

 1052 13:52:05.824339     I2C: 01:1a

 1053 13:52:05.827309     GENERIC: 0.1

 1054 13:52:05.830733    MMIO: fedc3000 child on link 0 I2C: 02:50

 1055 13:52:05.831152     I2C: 02:50

 1056 13:52:05.834024    MMIO: fedc4000 child on link 0 I2C: 03:15

 1057 13:52:05.837287     I2C: 03:15

 1058 13:52:05.840557    MMIO: fedc5000 child on link 0 I2C: 04:39

 1059 13:52:05.840975     I2C: 04:39

 1060 13:52:05.844082     I2C: 04:10

 1061 13:52:05.844517  Done allocating resources.

 1062 13:52:05.851201  BS: BS_DEV_RESOURCES times (us): entry 0 run 1563790 exit 0

 1063 13:52:05.857849  PCI_INTR tables: Writing registers C00/C01 for PCI IRQ routing:

 1064 13:52:05.861106  PCI_INTR_INDEX	name		     PIC mode	APIC mode

 1065 13:52:05.864004  0x00		INTA#                0x03	0x10

 1066 13:52:05.867641  0x01		INTB#                0x04	0x11

 1067 13:52:05.870963  0x02		INTC#                0x05	0x12

 1068 13:52:05.874065  0x03		INTD#                0x07	0x13

 1069 13:52:05.877398  0x04		INTE#                0x0B	0x14

 1070 13:52:05.880812  0x05		INTF#                0x1F	0x1F

 1071 13:52:05.884544  0x06		INTG#                0x1F	0x16

 1072 13:52:05.887917  0x07		INTH#                0x1F	0x17

 1073 13:52:05.891083  0x08		Misc                 0xFA	0x00

 1074 13:52:05.894411  0x09		Misc0                0xF1	0x00

 1075 13:52:05.897687  0x0A		Misc1                0x00	0x00

 1076 13:52:05.901038  0x0B		Misc2                0x00	0x00

 1077 13:52:05.904290  0x0C		Ser IRQ INTA         0x1F	0x1F

 1078 13:52:05.907364  0x0D		Ser IRQ INTB         0x1F	0x1F

 1079 13:52:05.910954  0x0E		Ser IRQ INTC         0x1F	0x1F

 1080 13:52:05.914022  0x0F		Ser IRQ INTD         0x1F	0x1F

 1081 13:52:05.917560  0x10		SCI                  0x09	0x09

 1082 13:52:05.920933  0x11		SMBUS                0x1F	0x1F

 1083 13:52:05.924135  0x12		ASF                  0x1F	0x1F

 1084 13:52:05.927961  0x13		HDA                  0x03	0x10

 1085 13:52:05.931098  0x14		FC                   0x1F	0x1F

 1086 13:52:05.934425  0x16		PerMon               0x1F	0x1F

 1087 13:52:05.937774  0x17		SD                   0x03	0x10

 1088 13:52:05.941083  0x1A		SDIOt                0x00	0x1F

 1089 13:52:05.944542  0x30		EHCI                 0x05	0x12

 1090 13:52:05.947734  0x34		XHCI                 0x04	0x12

 1091 13:52:05.951095  0x41		SATA                 0x07	0x13

 1092 13:52:05.954514  0x62		GPIO                 0x07	0x07

 1093 13:52:05.957624  0x70		I2C0                 0x03	0x03

 1094 13:52:05.960730  0x71		I2C1                 0x0F	0x0F

 1095 13:52:05.964139  0x72		I2C2                 0x06	0x06

 1096 13:52:05.967382  0x73		I2C3                 0x0E	0x0E

 1097 13:52:05.971041  0x74		UART0                0x0A	0x0A

 1098 13:52:05.974497  0x75		UART1                0x0B	0x0B

 1099 13:52:05.977697  PCI_CFG IRQ: Write PCI config space IRQ assignments

 1100 13:52:05.980670  PCI IRQ: Found device 0:01.00 using PIN A

 1101 13:52:05.987292  PCI Devfn (0x8) not found in pirq_data table

 1102 13:52:05.991222  PCI IRQ: Found device 0:01.01 using PIN B

 1103 13:52:05.994420  	Found this device in pirq_data table entry 5

 1104 13:52:05.997725  	Orig INT_PIN	: 2 (PIN B)

 1105 13:52:05.998219  	PCI_INTR idx	: 0x13 (HDA)

 1106 13:52:06.000906  	INT_LINE	: 0x3 (IRQ 3)

 1107 13:52:06.004229  PCI IRQ: Found device 0:02.02 using PIN A

 1108 13:52:06.007661  	Found this device in pirq_data table entry 1

 1109 13:52:06.011067  	Orig INT_PIN	: 1 (PIN A)

 1110 13:52:06.013928  	PCI_INTR idx	: 0x01 (INTB#)

 1111 13:52:06.014427  	INT_LINE	: 0x4 (IRQ 4)

 1112 13:52:06.021006  PCI IRQ: Found device 0:02.04 using PIN A

 1113 13:52:06.024158  	Found this device in pirq_data table entry 3

 1114 13:52:06.024579  	Orig INT_PIN	: 1 (PIN A)

 1115 13:52:06.027416  	PCI_INTR idx	: 0x03 (INTD#)

 1116 13:52:06.031211  	INT_LINE	: 0x7 (IRQ 7)

 1117 13:52:06.034511  PCI IRQ: Found device 0:08.00 using PIN A

 1118 13:52:06.037624  PCI Devfn (0x40) not found in pirq_data table

 1119 13:52:06.041066  PCI IRQ: Found device 0:10.00 using PIN A

 1120 13:52:06.047532  	Found this device in pirq_data table entry 10

 1121 13:52:06.048137  	Orig INT_PIN	: 1 (PIN A)

 1122 13:52:06.050826  	PCI_INTR idx	: 0x34 (XHCI)

 1123 13:52:06.053926  	INT_LINE	: 0x4 (IRQ 4)

 1124 13:52:06.057485  PCI IRQ: Found device 0:12.00 using PIN A

 1125 13:52:06.060661  	Found this device in pirq_data table entry 9

 1126 13:52:06.064032  	Orig INT_PIN	: 1 (PIN A)

 1127 13:52:06.067560  	PCI_INTR idx	: 0x30 (EHCI)

 1128 13:52:06.067983  	INT_LINE	: 0x5 (IRQ 5)

 1129 13:52:06.070781  PCI IRQ: Found device 0:14.07 using PIN A

 1130 13:52:06.077284  	Found this device in pirq_data table entry 6

 1131 13:52:06.077709  	Orig INT_PIN	: 1 (PIN A)

 1132 13:52:06.080830  	PCI_INTR idx	: 0x17 (SD)

 1133 13:52:06.084044  	INT_LINE	: 0x3 (IRQ 3)

 1134 13:52:06.087423  PCI IRQ: Found device 2:00.00 using PIN A

 1135 13:52:06.090924  	With INT_PIN swizzled to PIN A

 1136 13:52:06.093685  	Attached to bridge device 0:02h.04h

 1137 13:52:06.097277  	Found this device in pirq_data table entry 3

 1138 13:52:06.100500  	Orig INT_PIN	: 1 (PIN A)

 1139 13:52:06.100959  	PCI_INTR idx	: 0x03 (INTD#)

 1140 13:52:06.103662  	INT_LINE	: 0x7 (IRQ 7)

 1141 13:52:06.107466  PCI IRQ: Found device 1:00.00 using PIN A

 1142 13:52:06.110864  	With INT_PIN swizzled to PIN A

 1143 13:52:06.113832  	Attached to bridge device 0:02h.02h

 1144 13:52:06.117047  	Found this device in pirq_data table entry 1

 1145 13:52:06.120810  	Orig INT_PIN	: 1 (PIN A)

 1146 13:52:06.123942  	PCI_INTR idx	: 0x01 (INTB#)

 1147 13:52:06.127163  	INT_LINE	: 0x4 (IRQ 4)

 1148 13:52:06.130411  PCI_CFG IRQ: Finished writing PCI config space IRQ assignments

 1149 13:52:06.133491  POST: 0x74

 1150 13:52:06.133808  Enabling resources...

 1151 13:52:06.137032  agesawrapper_amdinitmid() entry

 1152 13:52:06.145890  agesawrapper_amdinitmid() returned AGESA_SUCCESS

 1153 13:52:06.148685  PCI: 00:00.0 subsystem <- 1022/1576

 1154 13:52:06.148842  PCI: 00:00.0 cmd <- 04

 1155 13:52:06.152002  PCI: 00:01.0 subsystem <- 1002/98e4

 1156 13:52:06.155356  PCI: 00:01.0 cmd <- 07

 1157 13:52:06.158801  PCI: 00:01.1 subsystem <- 1002/15b3

 1158 13:52:06.162389  PCI: 00:01.1 cmd <- 02

 1159 13:52:06.165177  PCI: 00:02.0 subsystem <- 1022/157b

 1160 13:52:06.165283  PCI: 00:02.0 cmd <- 00

 1161 13:52:06.168712  PCI: 00:02.2 bridge ctrl <- 0003

 1162 13:52:06.172570  PCI: 00:02.2 cmd <- 06

 1163 13:52:06.175703  PCI: 00:02.4 bridge ctrl <- 0003

 1164 13:52:06.176030  PCI: 00:02.4 cmd <- 06

 1165 13:52:06.178806  PCI: 00:03.0 cmd <- 00

 1166 13:52:06.181703  PCI: 00:08.0 subsystem <- 1022/1578

 1167 13:52:06.185274  PCI: 00:08.0 cmd <- 06

 1168 13:52:06.188816  PCI: 00:09.0 subsystem <- 1022/157d

 1169 13:52:06.188898  PCI: 00:09.0 cmd <- 00

 1170 13:52:06.192195  PCI: 00:10.0 subsystem <- 1022/7914

 1171 13:52:06.195321  PCI: 00:10.0 cmd <- 02

 1172 13:52:06.198590  PCI: 00:12.0 subsystem <- 1022/7908

 1173 13:52:06.198672  PCI: 00:12.0 cmd <- 02

 1174 13:52:06.202032  PCI: 00:14.0 subsystem <- 1022/790b

 1175 13:52:06.205402  PCI: 00:14.0 cmd <- 403

 1176 13:52:06.208400  PCI: 00:14.3 subsystem <- 1022/790e

 1177 13:52:06.212175  PCI: 00:14.3 cmd <- 0f

 1178 13:52:06.215419  Southbridge LPC decode:PNP: 0c09.0, base=0x00000800, end=0x000009fe

 1179 13:52:06.218673  Covered by wideIO 0

 1180 13:52:06.222008  PCI: 00:14.7 subsystem <- 1022/7906

 1181 13:52:06.225558  PCI: 00:14.7 cmd <- 06

 1182 13:52:06.225656  PCI: 00:18.0 cmd <- 00

 1183 13:52:06.228639  PCI: 00:18.1 subsystem <- 1022/15b1

 1184 13:52:06.231868  PCI: 00:18.1 cmd <- 00

 1185 13:52:06.235046  PCI: 00:18.2 subsystem <- 1022/15b2

 1186 13:52:06.235195  PCI: 00:18.2 cmd <- 00

 1187 13:52:06.238823  PCI: 00:18.3 subsystem <- 1022/15b3

 1188 13:52:06.242161  PCI: 00:18.3 cmd <- 00

 1189 13:52:06.245503  PCI: 00:18.4 subsystem <- 1022/15b4

 1190 13:52:06.248746  PCI: 00:18.4 cmd <- 00

 1191 13:52:06.252174  PCI: 00:18.5 subsystem <- 1022/15b5

 1192 13:52:06.252261  PCI: 00:18.5 cmd <- 00

 1193 13:52:06.255570  PCI: 01:00.0 cmd <- 02

 1194 13:52:06.258939  PCI: 02:00.0 subsystem <- 1217/8620

 1195 13:52:06.261828  PCI: 02:00.0 cmd <- 06

 1196 13:52:06.261930  done.

 1197 13:52:06.268364  BS: BS_DEV_ENABLE times (us): entry 279576 run 130714 exit 0

 1198 13:52:06.268481  POST: 0x75

 1199 13:52:06.271610  Initializing devices...

 1200 13:52:06.271710  Root Device init ...

 1201 13:52:06.275351  Root Device init finished in 1948 usecs

 1202 13:52:06.278609  POST: 0x75

 1203 13:52:06.278719  CPU_CLUSTER: 0 init ...

 1204 13:52:06.282209  MTRR: Physical address space:

 1205 13:52:06.288655  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1206 13:52:06.292071  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1207 13:52:06.298620  0x00000000000c0000 - 0x00000000d0000000 size 0xcff40000 type 6

 1208 13:52:06.305227  0x00000000d0000000 - 0x00000000f0000000 size 0x20000000 type 0

 1209 13:52:06.308278  0x00000000f0000000 - 0x00000000f4800000 size 0x04800000 type 1

 1210 13:52:06.314930  0x00000000f4800000 - 0x0000000100000000 size 0x0b800000 type 0

 1211 13:52:06.321647  0x0000000100000000 - 0x000000012f000000 size 0x2f000000 type 6

 1212 13:52:06.324960  MTRR: Fixed MSR 0x250 0x1e1e1e1e1e1e1e1e

 1213 13:52:06.328180  MTRR: Fixed MSR 0x258 0x1e1e1e1e1e1e1e1e

 1214 13:52:06.331842  MTRR: Fixed MSR 0x259 0x0000000000000000

 1215 13:52:06.335145  MTRR: Fixed MSR 0x268 0x1e1e1e1e1e1e1e1e

 1216 13:52:06.338394  MTRR: Fixed MSR 0x269 0x1e1e1e1e1e1e1e1e

 1217 13:52:06.341807  MTRR: Fixed MSR 0x26a 0x1e1e1e1e1e1e1e1e

 1218 13:52:06.348239  MTRR: Fixed MSR 0x26b 0x1e1e1e1e1e1e1e1e

 1219 13:52:06.351499  MTRR: Fixed MSR 0x26c 0x1e1e1e1e1e1e1e1e

 1220 13:52:06.354787  MTRR: Fixed MSR 0x26d 0x1e1e1e1e1e1e1e1e

 1221 13:52:06.358161  MTRR: Fixed MSR 0x26e 0x1e1e1e1e1e1e1e1e

 1222 13:52:06.361622  MTRR: Fixed MSR 0x26f 0x1e1e1e1e1e1e1e1e

 1223 13:52:06.364911  call enable_fixed_mtrr()

 1224 13:52:06.368252  CPU physical address size: 48 bits

 1225 13:52:06.371471  MTRR: default type WB/UC MTRR counts: 8/6.

 1226 13:52:06.374681  MTRR: UC selected as default type.

 1227 13:52:06.377934  MTRR: 0 base 0x0000000000000000 mask 0x0000ffff80000000 type 6

 1228 13:52:06.384735  MTRR: 1 base 0x0000000080000000 mask 0x0000ffffc0000000 type 6

 1229 13:52:06.391361  MTRR: 2 base 0x00000000c0000000 mask 0x0000fffff0000000 type 6

 1230 13:52:06.394557  MTRR: 3 base 0x00000000f0000000 mask 0x0000fffffc000000 type 1

 1231 13:52:06.401229  MTRR: 4 base 0x00000000f4000000 mask 0x0000ffffff800000 type 1

 1232 13:52:06.407847  MTRR: 5 base 0x0000000100000000 mask 0x0000ffffc0000000 type 6

 1233 13:52:06.407942  

 1234 13:52:06.408011  MTRR check

 1235 13:52:06.411469  Fixed MTRRs   : Enabled

 1236 13:52:06.411578  Variable MTRRs: Enabled

 1237 13:52:06.411646  

 1238 13:52:06.414683  POST: 0x93

 1239 13:52:06.414769  Will perform SMM setup.

 1240 13:52:06.421716  CPU: AMD A4-9120C RADEON R4, 5 COMPUTE CORES 2C+3G  .

 1241 13:52:06.428240  Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170

 1242 13:52:06.431353  Processing 16 relocs. Offset value of 0x00030000

 1243 13:52:06.434445  Attempting to start 1 APs

 1244 13:52:06.437786  Waiting for 10ms after sending INIT.

 1245 13:52:06.452627  Waiting for 1st SIPI to complete...AP: slot 1 apic_id 11.

 1246 13:52:06.452791  done.

 1247 13:52:06.455915  Waiting for 2nd SIPI to complete...done.

 1248 13:52:06.463052  Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8

 1249 13:52:06.469809  Processing 13 relocs. Offset value of 0x00038000

 1250 13:52:06.472468  SMM Module: stub loaded at 00038000. Will call cdeb995b(00000000)

 1251 13:52:06.475732  Installing SMM handler to 0xce800000

 1252 13:52:06.487929  Loading module at ce810000 with entry ce81142b. filesize: 0x6c98 memsize: 0xad18

 1253 13:52:06.491410  Processing 481 relocs. Offset value of 0xce810000

 1254 13:52:06.497778  Loading module at ce808000 with entry ce808000. filesize: 0x1a8 memsize: 0x1a8

 1255 13:52:06.501009  Processing 13 relocs. Offset value of 0xce808000

 1256 13:52:06.508001  SMM Module: placing jmp sequence at ce807e00 rel16 0x01fd

 1257 13:52:06.514487  SMM Module: stub loaded at ce808000. Will call ce81142b(00000000)

 1258 13:52:06.514914  New SMBASE 0xce800000

 1259 13:52:06.517795  Relocation complete.

 1260 13:52:06.520939  New SMBASE 0xce7ffe00

 1261 13:52:06.521352  Relocation complete.

 1262 13:52:06.524288  Initializing CPU #0

 1263 13:52:06.524695  CPU: vendor AMD device 670f00

 1264 13:52:06.527879  CPU: family 15, model 70, stepping 00

 1265 13:52:06.534359  Setting up local APIC... apic_id: 0x10 done.

 1266 13:52:06.534794  CPU #0 initialized

 1267 13:52:06.537661  Initializing CPU #1

 1268 13:52:06.540947  CPU: vendor AMD device 670f00

 1269 13:52:06.544270  CPU: family 15, model 70, stepping 00

 1270 13:52:06.547959  Setting up local APIC... apic_id: 0x11 done.

 1271 13:52:06.548600  CPU #1 initialized

 1272 13:52:06.551301  bsp_do_flight_plan done after 91 msecs.

 1273 13:52:06.554421  MTRR: TEMPORARY Physical address space:

 1274 13:52:06.561350  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1275 13:52:06.568103  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1276 13:52:06.571336  0x00000000000c0000 - 0x00000000d0000000 size 0xcff40000 type 6

 1277 13:52:06.578024  0x00000000d0000000 - 0x00000000ff000000 size 0x2f000000 type 0

 1278 13:52:06.584556  0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5

 1279 13:52:06.588055  0x0000000100000000 - 0x000000012f000000 size 0x2f000000 type 6

 1280 13:52:06.594753  MTRR: default type WB/UC MTRR counts: 7/5.

 1281 13:52:06.598002  MTRR: UC selected as default type.

 1282 13:52:06.601462  MTRR: 0 base 0x0000000000000000 mask 0x0000ffff80000000 type 6

 1283 13:52:06.607579  MTRR: 1 base 0x0000000080000000 mask 0x0000ffffc0000000 type 6

 1284 13:52:06.614261  MTRR: 2 base 0x00000000c0000000 mask 0x0000fffff0000000 type 6

 1285 13:52:06.617697  MTRR: 3 base 0x00000000ff000000 mask 0x0000ffffff000000 type 5

 1286 13:52:06.624708  MTRR: 4 base 0x0000000100000000 mask 0x0000ffffc0000000 type 6

 1287 13:52:06.627846  CPU_CLUSTER: 0 init finished in 346104 usecs

 1288 13:52:06.628261  POST: 0x75

 1289 13:52:06.630909  POST: 0x75

 1290 13:52:06.631360  POST: 0x75

 1291 13:52:06.631726  POST: 0x75

 1292 13:52:06.634205  POST: 0x75

 1293 13:52:06.634802  POST: 0x75

 1294 13:52:06.635329  POST: 0x75

 1295 13:52:06.637404  POST: 0x75

 1296 13:52:06.638091  PCI: 00:00.0 init ...

 1297 13:52:06.643926  PCI: 00:00.0 init finished in 2003 usecs

 1298 13:52:06.644582  POST: 0x75

 1299 13:52:06.645096  POST: 0x75

 1300 13:52:06.647713  PCI: 00:01.0 init ...

 1301 13:52:06.651102  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1302 13:52:06.654157  CBFS: Locating 'pci1002,98e4.rom'

 1303 13:52:06.657454  CBFS: Found @ offset 92c00 size fe00

 1304 13:52:06.661138  Mapping PCI device 100298e4 to 100298e0

 1305 13:52:06.667244  In CBFS, ROM address for PCI: 00:01.0 = ffe82c48

 1306 13:52:06.673908  PCI expansion ROM, signature 0xaa55, INIT size 0xfe00, data ptr 0x01c0

 1307 13:52:06.677313  PCI ROM image, vendor ID 1002, device ID 98e0,

 1308 13:52:06.680761  PCI ROM image, Class Code 030000, Code Type 00

 1309 13:52:06.687203  Copying VGA ROM Image from ffe82c48 to 0xc0000, 0xfe00 bytes

 1310 13:52:06.693785  Real mode stub @00000600: 867 bytes

 1311 13:52:06.696861  Calling Option ROM...

 1312 13:52:06.719801  ... Option ROM returned.

 1313 13:52:06.722537  VBE: Getting information about VESA mode 41d2

 1314 13:52:06.726481  VBE: resolution:  1366x768@16

 1315 13:52:06.729506  VBE: framebuffer: f0000000

 1316 13:52:06.732754  VBE: Setting VESA mode 41d2

 1317 13:52:06.757173  VGA Option ROM was run

 1318 13:52:06.760359  PCI: 00:01.0 init finished in 112282 usecs

 1319 13:52:06.763528  POST: 0x75

 1320 13:52:06.763940  PCI: 00:01.1 init ...

 1321 13:52:06.766682  PCI: 00:01.1 init finished in 2003 usecs

 1322 13:52:06.770285  POST: 0x75

 1323 13:52:06.770697  PCI: 00:02.0 init ...

 1324 13:52:06.773439  PCI: 00:02.0 init finished in 2002 usecs

 1325 13:52:06.776842  POST: 0x75

 1326 13:52:06.777256  POST: 0x75

 1327 13:52:06.777640  POST: 0x75

 1328 13:52:06.780106  POST: 0x75

 1329 13:52:06.780513  POST: 0x75

 1330 13:52:06.780884  POST: 0x75

 1331 13:52:06.783226  PCI: 00:03.0 init ...

 1332 13:52:06.787052  PCI: 00:03.0 init finished in 2002 usecs

 1333 13:52:06.787514  POST: 0x75

 1334 13:52:06.790498  PCI: 00:08.0 init ...

 1335 13:52:06.793141  PCI: 00:08.0 init finished in 2002 usecs

 1336 13:52:06.793558  POST: 0x75

 1337 13:52:06.796505  PCI: 00:09.0 init ...

 1338 13:52:06.800273  PCI: 00:09.0 init finished in 2002 usecs

 1339 13:52:06.800733  POST: 0x75

 1340 13:52:06.803196  POST: 0x75

 1341 13:52:06.803606  PCI: 00:10.0 init ...

 1342 13:52:06.806751  PCI: 00:10.0 init finished in 2002 usecs

 1343 13:52:06.810126  POST: 0x75

 1344 13:52:06.810576  POST: 0x75

 1345 13:52:06.813437  PCI: 00:12.0 init ...

 1346 13:52:06.816755  PCI: 00:12.0 init finished in 2002 usecs

 1347 13:52:06.817380  POST: 0x75

 1348 13:52:06.820112  PCI: 00:14.0 init ...

 1349 13:52:06.823378  IOAPIC: Initializing IOAPIC at 0xfec00000

 1350 13:52:06.826675  IOAPIC: Bootstrap Processor Local APIC = 0x10

 1351 13:52:06.830095  IOAPIC: ID = 0x04

 1352 13:52:06.830716  IOAPIC: Dumping registers

 1353 13:52:06.833540    reg 0x0000: 0x04000000

 1354 13:52:06.836733    reg 0x0001: 0x00178021

 1355 13:52:06.837281    reg 0x0002: 0x04000000

 1356 13:52:06.839881  IOAPIC: 24 interrupts

 1357 13:52:06.843090  IOAPIC: Enabling interrupts on FSB

 1358 13:52:06.846556  IOAPIC: reg 0x00000000 value 0x10000000 0x00000700

 1359 13:52:06.853637  IOAPIC: reg 0x00000001 value 0x00000000 0x00010000

 1360 13:52:06.856697  IOAPIC: reg 0x00000002 value 0x00000000 0x00010000

 1361 13:52:06.860022  IOAPIC: reg 0x00000003 value 0x00000000 0x00010000

 1362 13:52:06.866945  IOAPIC: reg 0x00000004 value 0x00000000 0x00010000

 1363 13:52:06.870102  IOAPIC: reg 0x00000005 value 0x00000000 0x00010000

 1364 13:52:06.873392  IOAPIC: reg 0x00000006 value 0x00000000 0x00010000

 1365 13:52:06.879937  IOAPIC: reg 0x00000007 value 0x00000000 0x00010000

 1366 13:52:06.883364  IOAPIC: reg 0x00000008 value 0x00000000 0x00010000

 1367 13:52:06.886629  IOAPIC: reg 0x00000009 value 0x00000000 0x00010000

 1368 13:52:06.893367  IOAPIC: reg 0x0000000a value 0x00000000 0x00010000

 1369 13:52:06.896165  IOAPIC: reg 0x0000000b value 0x00000000 0x00010000

 1370 13:52:06.899951  IOAPIC: reg 0x0000000c value 0x00000000 0x00010000

 1371 13:52:06.906297  IOAPIC: reg 0x0000000d value 0x00000000 0x00010000

 1372 13:52:06.909731  IOAPIC: reg 0x0000000e value 0x00000000 0x00010000

 1373 13:52:06.916329  IOAPIC: reg 0x0000000f value 0x00000000 0x00010000

 1374 13:52:06.919658  IOAPIC: reg 0x00000010 value 0x00000000 0x00010000

 1375 13:52:06.922993  IOAPIC: reg 0x00000011 value 0x00000000 0x00010000

 1376 13:52:06.929475  IOAPIC: reg 0x00000012 value 0x00000000 0x00010000

 1377 13:52:06.932682  IOAPIC: reg 0x00000013 value 0x00000000 0x00010000

 1378 13:52:06.936255  IOAPIC: reg 0x00000014 value 0x00000000 0x00010000

 1379 13:52:06.942722  IOAPIC: reg 0x00000015 value 0x00000000 0x00010000

 1380 13:52:06.946205  IOAPIC: reg 0x00000016 value 0x00000000 0x00010000

 1381 13:52:06.949478  IOAPIC: reg 0x00000017 value 0x00000000 0x00010000

 1382 13:52:06.956259  PCI: 00:14.0 init finished in 133959 usecs

 1383 13:52:06.956345  POST: 0x75

 1384 13:52:06.959285  PCI: 00:14.3 init ...

 1385 13:52:06.959400  RTC Init

 1386 13:52:06.963180  PCI: 00:14.3 init finished in 2962 usecs

 1387 13:52:06.963300  POST: 0x75

 1388 13:52:06.966354  PCI: 00:14.7 init ...

 1389 13:52:06.969610  PCI: 00:14.7 init finished in 2002 usecs

 1390 13:52:06.969714  POST: 0x75

 1391 13:52:06.972996  PCI: 00:18.0 init ...

 1392 13:52:06.976003  IOAPIC: Initializing IOAPIC at 0xfec20000

 1393 13:52:06.979377  IOAPIC: Bootstrap Processor Local APIC = 0x10

 1394 13:52:06.982637  IOAPIC: ID = 0x05

 1395 13:52:06.982712  IOAPIC: Dumping registers

 1396 13:52:06.985902    reg 0x0000: 0x05000000

 1397 13:52:06.989178    reg 0x0001: 0x001f8021

 1398 13:52:06.992702    reg 0x0002: 0x00000000

 1399 13:52:06.992774  IOAPIC: 32 interrupts

 1400 13:52:06.995940  IOAPIC: Enabling interrupts on FSB

 1401 13:52:06.999438  IOAPIC: reg 0x00000000 value 0x10000000 0x00000700

 1402 13:52:07.006216  IOAPIC: reg 0x00000001 value 0x00000000 0x00010000

 1403 13:52:07.009496  IOAPIC: reg 0x00000002 value 0x00000000 0x00010000

 1404 13:52:07.012632  IOAPIC: reg 0x00000003 value 0x00000000 0x00010000

 1405 13:52:07.019348  IOAPIC: reg 0x00000004 value 0x00000000 0x00010000

 1406 13:52:07.022966  IOAPIC: reg 0x00000005 value 0x00000000 0x00010000

 1407 13:52:07.029603  IOAPIC: reg 0x00000006 value 0x00000000 0x00010000

 1408 13:52:07.032843  IOAPIC: reg 0x00000007 value 0x00000000 0x00010000

 1409 13:52:07.036082  IOAPIC: reg 0x00000008 value 0x00000000 0x00010000

 1410 13:52:07.042343  IOAPIC: reg 0x00000009 value 0x00000000 0x00010000

 1411 13:52:07.045589  IOAPIC: reg 0x0000000a value 0x00000000 0x00010000

 1412 13:52:07.048835  IOAPIC: reg 0x0000000b value 0x00000000 0x00010000

 1413 13:52:07.056153  IOAPIC: reg 0x0000000c value 0x00000000 0x00010000

 1414 13:52:07.059312  IOAPIC: reg 0x0000000d value 0x00000000 0x00010000

 1415 13:52:07.062503  IOAPIC: reg 0x0000000e value 0x00000000 0x00010000

 1416 13:52:07.068854  IOAPIC: reg 0x0000000f value 0x00000000 0x00010000

 1417 13:52:07.072701  IOAPIC: reg 0x00000010 value 0x00000000 0x00010000

 1418 13:52:07.079383  IOAPIC: reg 0x00000011 value 0x00000000 0x00010000

 1419 13:52:07.082561  IOAPIC: reg 0x00000012 value 0x00000000 0x00010000

 1420 13:52:07.085687  IOAPIC: reg 0x00000013 value 0x00000000 0x00010000

 1421 13:52:07.092380  IOAPIC: reg 0x00000014 value 0x00000000 0x00010000

 1422 13:52:07.095777  IOAPIC: reg 0x00000015 value 0x00000000 0x00010000

 1423 13:52:07.099504  IOAPIC: reg 0x00000016 value 0x00000000 0x00010000

 1424 13:52:07.106199  IOAPIC: reg 0x00000017 value 0x00000000 0x00010000

 1425 13:52:07.109462  IOAPIC: reg 0x00000018 value 0x00000000 0x00010000

 1426 13:52:07.112446  IOAPIC: reg 0x00000019 value 0x00000000 0x00010000

 1427 13:52:07.119390  IOAPIC: reg 0x0000001a value 0x00000000 0x00010000

 1428 13:52:07.122247  IOAPIC: reg 0x0000001b value 0x00000000 0x00010000

 1429 13:52:07.129034  IOAPIC: reg 0x0000001c value 0x00000000 0x00010000

 1430 13:52:07.132360  IOAPIC: reg 0x0000001d value 0x00000000 0x00010000

 1431 13:52:07.135667  IOAPIC: reg 0x0000001e value 0x00000000 0x00010000

 1432 13:52:07.142214  IOAPIC: reg 0x0000001f value 0x00000000 0x00010000

 1433 13:52:07.145380  PCI: 00:18.0 init finished in 170064 usecs

 1434 13:52:07.146006  POST: 0x75

 1435 13:52:07.149119  PCI: 00:18.1 init ...

 1436 13:52:07.152395  PCI: 00:18.1 init finished in 2002 usecs

 1437 13:52:07.152869  POST: 0x75

 1438 13:52:07.155688  PCI: 00:18.2 init ...

 1439 13:52:07.158894  PCI: 00:18.2 init finished in 2002 usecs

 1440 13:52:07.159409  POST: 0x75

 1441 13:52:07.162288  PCI: 00:18.3 init ...

 1442 13:52:07.165609  PCI: 00:18.3 init finished in 2002 usecs

 1443 13:52:07.166105  POST: 0x75

 1444 13:52:07.168830  PCI: 00:18.4 init ...

 1445 13:52:07.172535  PCI: 00:18.4 init finished in 2002 usecs

 1446 13:52:07.172989  POST: 0x75

 1447 13:52:07.176086  PCI: 00:18.5 init ...

 1448 13:52:07.179305  PCI: 00:18.5 init finished in 2002 usecs

 1449 13:52:07.179797  POST: 0x75

 1450 13:52:07.182369  PCI: 01:00.0 init ...

 1451 13:52:07.185592  PCI: 01:00.0 init finished in 2002 usecs

 1452 13:52:07.186185  POST: 0x75

 1453 13:52:07.189569  PCI: 02:00.0 init ...

 1454 13:52:07.192748  BayHub BH720: Power-saving enabled (link_ctrl=0x110103)

 1455 13:52:07.196056  PCI: 02:00.0 init finished in 7128 usecs

 1456 13:52:07.199455  POST: 0x75

 1457 13:52:07.199870  PNP: 0c09.0 init ...

 1458 13:52:07.205911  Google Chrome EC: Hello got back 11223344 status (0)

 1459 13:52:07.209192  Google Chrome EC: version:

 1460 13:52:07.212587      ro: careena_v2.0.11488-7215d6e0e4

 1461 13:52:07.215882      rw: careena_v2.0.11488-7215d6e0e4

 1462 13:52:07.216442    running image: 1

 1463 13:52:07.219270  Google Chrome EC uptime: 5.540 seconds

 1464 13:52:07.222230  Google Chrome AP resets since EC boot: 0

 1465 13:52:07.228970  Google Chrome most recent AP reset causes:

 1466 13:52:07.232478  Google Chrome EC reset flags at last EC boot: reset-pin

 1467 13:52:07.235637  PNP: 0c09.0 init finished in 34478 usecs

 1468 13:52:07.238923  POST: 0x75

 1469 13:52:07.239399  POST: 0x75

 1470 13:52:07.239875  POST: 0x75

 1471 13:52:07.242256  POST: 0x75

 1472 13:52:07.242628  POST: 0x75

 1473 13:52:07.243034  POST: 0x75

 1474 13:52:07.245390  POST: 0x75

 1475 13:52:07.245881  Devices initialized

 1476 13:52:07.249024  Show all devs... After init.

 1477 13:52:07.252276  Root Device: enabled 1

 1478 13:52:07.252885  CPU_CLUSTER: 0: enabled 1

 1479 13:52:07.255654  DOMAIN: 0000: enabled 1

 1480 13:52:07.258673  MMIO: fedc2000: enabled 1

 1481 13:52:07.259201  MMIO: fedc3000: enabled 1

 1482 13:52:07.262533  MMIO: fedc4000: enabled 1

 1483 13:52:07.265296  MMIO: fedc5000: enabled 1

 1484 13:52:07.265912  APIC: 10: enabled 1

 1485 13:52:07.268629  PCI: 00:00.0: enabled 1

 1486 13:52:07.272165  PCI: 00:00.2: enabled 0

 1487 13:52:07.272804  PCI: 00:01.0: enabled 1

 1488 13:52:07.275656  PCI: 00:01.1: enabled 1

 1489 13:52:07.278602  PCI: 00:02.0: enabled 1

 1490 13:52:07.279138  PCI: 00:02.1: enabled 0

 1491 13:52:07.282329  PCI: 00:02.2: enabled 1

 1492 13:52:07.285590  PCI: 00:02.3: enabled 0

 1493 13:52:07.286201  PCI: 00:02.4: enabled 1

 1494 13:52:07.288390  PCI: 00:02.5: enabled 0

 1495 13:52:07.291644  PCI: 00:08.0: enabled 1

 1496 13:52:07.291725  PCI: 00:09.0: enabled 1

 1497 13:52:07.295014  PCI: 00:09.2: enabled 0

 1498 13:52:07.295095  PCI: 00:10.0: enabled 1

 1499 13:52:07.298802  PCI: 00:11.0: enabled 0

 1500 13:52:07.301504  PCI: 00:12.0: enabled 1

 1501 13:52:07.301578  PCI: 00:14.0: enabled 1

 1502 13:52:07.305028  PCI: 00:14.3: enabled 1

 1503 13:52:07.308691  PCI: 00:14.7: enabled 1

 1504 13:52:07.308772  PCI: 00:18.0: enabled 1

 1505 13:52:07.311914  PCI: 00:18.1: enabled 1

 1506 13:52:07.315164  PCI: 00:18.2: enabled 1

 1507 13:52:07.315251  PCI: 00:18.3: enabled 1

 1508 13:52:07.318619  PCI: 00:18.4: enabled 1

 1509 13:52:07.321954  PCI: 00:18.5: enabled 1

 1510 13:52:07.322054  GENERIC: 0.0: enabled 1

 1511 13:52:07.325156  I2C: 01:1a: enabled 1

 1512 13:52:07.328572  GENERIC: 0.1: enabled 1

 1513 13:52:07.328708  I2C: 02:50: enabled 1

 1514 13:52:07.331798  I2C: 03:15: enabled 1

 1515 13:52:07.331903  I2C: 04:39: enabled 1

 1516 13:52:07.335180  I2C: 04:10: enabled 1

 1517 13:52:07.338482  PCI: 02:00.0: enabled 1

 1518 13:52:07.338592  PNP: 0c09.0: enabled 1

 1519 13:52:07.341816  PCI: 00:03.0: enabled 1

 1520 13:52:07.345411  PCI: 01:00.0: enabled 1

 1521 13:52:07.345534  APIC: 11: enabled 1

 1522 13:52:07.351448  BS: BS_DEV_INIT times (us): entry 0 run 1076553 exit 150

 1523 13:52:07.358245  ELOG: Event(A1) added with size 10 at 2023-12-14 13:51:24 UTC

 1524 13:52:07.364936  elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b

 1525 13:52:07.368395  ELOG: Event(A0) added with size 9 at 2023-12-14 13:51:24 UTC

 1526 13:52:07.371790  elog_add_boot_reason: Logged dev mode boot

 1527 13:52:07.375079  POST: 0x76

 1528 13:52:07.375239  Finalize devices...

 1529 13:52:07.378162  Devices finalized

 1530 13:52:07.381428  FMAP: area RW_NVRAM found @ 467000 (20480 bytes)

 1531 13:52:07.384800  agesawrapper_amdinitlate() entry

 1532 13:52:07.403778  DmiTable:cdfbd4a3, AcpiPstatein: cdfbc2b9, AcpiSrat:00000000,AcpiSlit:00000000, Mce:cdfbd327, Cmc:cdfbd3e9,Alib:cdfbe586, AcpiIvrs:00000000 in agesawrapper_amdinitlate

 1533 13:52:07.407182  agesawrapper_amdinitlate() returned AGESA_SUCCESS

 1534 13:52:07.410479  agesawrapper_amdinitrtb() entry

 1535 13:52:07.416965  agesawrapper_amdinitrtb() returned AGESA_SUCCESS

 1536 13:52:07.420353  BS: BS_POST_DEVICE times (us): entry 22174 run 4547 exit 37779

 1537 13:52:07.426501  FMAP: area RW_MRC_CACHE found @ 0 (65536 bytes)

 1538 13:52:07.430340  MRC: Checking cached data update for 'RW_MRC_CACHE'.

 1539 13:52:07.433671  MRC: cache data 'RW_MRC_CACHE' needs update.

 1540 13:52:07.436463  REGF update can't fit. Will empty.

 1541 13:52:08.714107  SF: Successfully erased 65536 bytes @ 0x0

 1542 13:52:08.728436  ELOG: Event(AA) added with size 11 at 2023-12-14 13:51:26 UTC

 1543 13:52:08.728647  POST: 0x77

 1544 13:52:08.734969  BS: BS_OS_RESUME_CHECK times (us): entry 1305185 run 1075 exit 0

 1545 13:52:08.738350  POST: 0x79

 1546 13:52:08.738549  POST: 0x9c

 1547 13:52:08.744441  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1548 13:52:08.744663  CBFS: Locating 'fallback/dsdt.aml'

 1549 13:52:08.747750  CBFS: Found @ offset a6cc0 size 3b94

 1550 13:52:08.754395  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1551 13:52:08.758421  CBFS: Locating 'fallback/slic'

 1552 13:52:08.761502  CBFS: 'fallback/slic' not found.

 1553 13:52:08.764690  ACPI: Writing ACPI tables at cde2e000.

 1554 13:52:08.764881  ACPI:    * FACS

 1555 13:52:08.768062  ACPI:    * DSDT

 1556 13:52:08.771378  Ramoops buffer: 0x100000@0xcdd2e000.

 1557 13:52:08.774626  ACPI:    * FADT

 1558 13:52:08.774818  pm_base: 0x0400

 1559 13:52:08.777757  ACPI: added table 1/32, length now 40

 1560 13:52:08.781522  ACPI:     * SSDT

 1561 13:52:08.781715  ACPI \_PR report 2 core(s)

 1562 13:52:08.784937  dw_i2c: bad counts. hcnt = -1 lcnt = 9

 1563 13:52:08.791416  dw_i2c: bad counts. hcnt = -1 lcnt = 13

 1564 13:52:08.794543  dw_i2c: bad counts. hcnt = -13 lcnt = 11

 1565 13:52:08.797932  dw_i2c: bad counts. hcnt = -7 lcnt = 16

 1566 13:52:08.801289  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1567 13:52:08.804628  CBFS: Locating 'pci1002,98e4.rom'

 1568 13:52:08.807771  CBFS: Found @ offset 92c00 size fe00

 1569 13:52:08.811180  Mapping PCI device 100298e4 to 100298e0

 1570 13:52:08.817589  In CBFS, ROM address for PCI: 00:01.0 = ffe82c48

 1571 13:52:08.824216  PCI expansion ROM, signature 0xaa55, INIT size 0xfe00, data ptr 0x01c0

 1572 13:52:08.827693  PCI ROM image, vendor ID 1002, device ID 98e0,

 1573 13:52:08.830839  PCI ROM image, Class Code 030000, Code Type 00

 1574 13:52:08.838714  \_SB.I2CA.ADAU: Analog Digital DMIC

 1575 13:52:08.845269  \_SB.I2CA.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 0

 1576 13:52:08.852072  \_SB.I2CA.MAXM: Maxim Integrated 98357A Amplifier

 1577 13:52:08.855328  \_SB.I2CB.TPMI: I2C TPM at I2C: 02:50

 1578 13:52:08.858593  \_SB.I2CC.D015: ELAN Touchpad at I2C: 03:15

 1579 13:52:08.862015  \_SB.I2CD.D039: Raydium Touchscreen at I2C: 04:39

 1580 13:52:08.868726  \_SB.I2CD.D010: ELAN Touchscreen at I2C: 04:10

 1581 13:52:08.872007  ACPI: added table 2/32, length now 44

 1582 13:52:08.872481  ACPI:    * MCFG

 1583 13:52:08.875380  ACPI: added table 3/32, length now 48

 1584 13:52:08.878651  ACPI:    * TCPA

 1585 13:52:08.879127  TCPA log created at cdd0e000

 1586 13:52:08.882016  ACPI: added table 4/32, length now 52

 1587 13:52:08.885393  ACPI:    * MADT

 1588 13:52:08.889135  ACPI: added table 5/32, length now 56

 1589 13:52:08.889609  current = cde32e10

 1590 13:52:08.895706  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1591 13:52:08.899032  CBFS: Locating 'pci1002,98e4.rom'

 1592 13:52:08.901886  CBFS: Found @ offset 92c00 size fe00

 1593 13:52:08.905132  Mapping PCI device 100298e4 to 100298e0

 1594 13:52:08.908720  In CBFS, ROM address for PCI: 00:01.0 = ffe82c48

 1595 13:52:08.915431  PCI expansion ROM, signature 0xaa55, INIT size 0xfe00, data ptr 0x01c0

 1596 13:52:08.918744  PCI ROM image, vendor ID 1002, device ID 98e0,

 1597 13:52:08.925261  PCI ROM image, Class Code 030000, Code Type 00

 1598 13:52:08.926014  ACPI:    * VFCT at cde32e10

 1599 13:52:08.932036             Copying initialized VBIOS image from 000c0000

 1600 13:52:08.935279  ACPI: added table 6/32, length now 60

 1601 13:52:08.935928  ACPI:    * HPET

 1602 13:52:08.938427  ACPI: added table 7/32, length now 64

 1603 13:52:08.942303  ACPI: added table 8/32, length now 68

 1604 13:52:08.945634  ACPI:    * IVRS at cde42e90

 1605 13:52:08.948543    AGESA IVRS table NULL. Skipping.

 1606 13:52:08.951656  ACPI:    * SRAT at cde42e90

 1607 13:52:08.955341    AGESA SRAT table NULL. Skipping.

 1608 13:52:08.958428  ACPI:   * SLIT at cde42e90

 1609 13:52:08.961845    AGESA SLIT table NULL. Skipping.

 1610 13:52:08.964836  ACPI:  * AGESA ALIB SSDT at cde42e90

 1611 13:52:08.968246  ACPI: added table 9/32, length now 72

 1612 13:52:08.968437  ACPI:    * SSDT at cde479f0

 1613 13:52:08.971893  ACPI: added table 10/32, length now 76

 1614 13:52:08.975242  ACPI:    * SSDT for PState at cde47e2c

 1615 13:52:08.978585  ACPI: done.

 1616 13:52:08.978840  ACPI tables: 106032 bytes.

 1617 13:52:08.981696  smbios_write_tables: cdd0d000

 1618 13:52:08.985147  Create SMBIOS type 17

 1619 13:52:08.988461  SMBIOS tables: 545 bytes.

 1620 13:52:08.991715  Writing table forward entry at 0x00000500

 1621 13:52:08.995203  Wrote coreboot table at: 00000500, 0x10 bytes, checksum 11f9

 1622 13:52:08.998478  Writing coreboot table at 0xcde52000

 1623 13:52:09.004892   0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES

 1624 13:52:09.008057   1. 0000000000001000-000000000009ffff: RAM

 1625 13:52:09.011782   2. 00000000000a0000-00000000000fffff: RESERVED

 1626 13:52:09.018410   3. 0000000000100000-00000000cdd0cfff: RAM

 1627 13:52:09.021580   4. 00000000cdd0d000-00000000cde9efff: CONFIGURATION TABLES

 1628 13:52:09.025024   5. 00000000cde9f000-00000000cdfa0fff: RAMSTAGE

 1629 13:52:09.031587   6. 00000000cdfa1000-00000000cdffffff: CONFIGURATION TABLES

 1630 13:52:09.034929   7. 00000000ce000000-00000000cfffffff: RESERVED

 1631 13:52:09.041431   8. 00000000f8000000-00000000fbffffff: RESERVED

 1632 13:52:09.044601   9. 0000000100000000-000000012effffff: RAM

 1633 13:52:09.048034  Passing 5 GPIOs to payload:

 1634 13:52:09.051882              NAME |       PORT | POLARITY |     VALUE

 1635 13:52:09.054984     write protect |  undefined |     high |       low

 1636 13:52:09.061744          recovery |  undefined |     high |       low

 1637 13:52:09.064867               lid |  undefined |     high |      high

 1638 13:52:09.071377             power |  undefined |     high |       low

 1639 13:52:09.074573          EC in RW | 0x0000000f |     high |       low

 1640 13:52:09.074755  Board ID: 6

 1641 13:52:09.078507  SKU ID: 33

 1642 13:52:09.081642  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1643 13:52:09.088268  Wrote coreboot table at: cde52000, 0x538 bytes, checksum 59c4

 1644 13:52:09.091545  coreboot table: 1360 bytes.

 1645 13:52:09.095000  IMD ROOT    0. cdfff000 00001000

 1646 13:52:09.098294  IMD SMALL   1. cdffe000 00001000

 1647 13:52:09.098718  CONSOLE     2. cdfde000 00020000

 1648 13:52:09.101494  TIME STAMP  3. cdfdd000 00000910

 1649 13:52:09.105337  VBOOT       4. cdfdc000 00000c0c

 1650 13:52:09.108665  ACPISCRATCH 5. cdfac000 00030000

 1651 13:52:09.111483  ROMSTG STCK 6. cdfab000 00000400

 1652 13:52:09.115161  AFTER CAR   7. cdfa1000 0000a000

 1653 13:52:09.118506  RAMSTAGE    8. cde9e000 00103000

 1654 13:52:09.121866  REFCODE     9. cde6c000 00032000

 1655 13:52:09.125090  ACPI GNVS  10. cde6b000 00001000

 1656 13:52:09.128405  SMM BACKUP 11. cde5b000 00010000

 1657 13:52:09.129084  MRC DATA   12. cde5a000 00000e75

 1658 13:52:09.131681  COREBOOT   13. cde52000 00008000

 1659 13:52:09.134991  ACPI       14. cde2e000 00024000

 1660 13:52:09.138781  RAMOOPS    15. cdd2e000 00100000

 1661 13:52:09.141720  VGA ROM #0 16. cdd1e000 0000fe00

 1662 13:52:09.145550  TCPA TCGLOG17. cdd0e000 00010000

 1663 13:52:09.148683  SMBIOS     18. cdd0d000 00000800

 1664 13:52:09.149358  IMD small region:

 1665 13:52:09.151864    IMD ROOT    0. cdffec00 00000400

 1666 13:52:09.155069    VBOOT SEL   1. cdffebe0 00000008

 1667 13:52:09.158243    EC HOSTEVENT 2. cdffebc0 00000008

 1668 13:52:09.161878    ROMSTAGE    3. cdffeba0 00000004

 1669 13:52:09.164882    VPD         4. cdffeb20 0000006c

 1670 13:52:09.168352    POWER STATE 5. cdffeb00 00000010

 1671 13:52:09.171632    MEM INFO    6. cdffe9a0 00000149

 1672 13:52:09.174732    COREBOOTFWD 7. cdffe960 00000028

 1673 13:52:09.178308  BS: BS_WRITE_TABLES times (us): entry 2 run 438422 exit 1

 1674 13:52:09.181623  POST: 0x7a

 1675 13:52:09.185041  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1676 13:52:09.188242  CBFS: Locating 'fallback/payload'

 1677 13:52:09.194866  CBFS: Found @ offset 1ae180 size 39f90

 1678 13:52:09.198176  Loading segment from ROM address 0xfff9e1b8

 1679 13:52:09.198264    code (compression=0)

 1680 13:52:09.208185    New segment dstaddr 0x30104020 memsize 0x254890 srcaddr 0xfff9e1f0 filesize 0x39f58

 1681 13:52:09.211563  Loading segment from ROM address 0xfff9e1d4

 1682 13:52:09.211651    Entry Point 0x30104020

 1683 13:52:09.221832  Loading Segment: addr: 0x0000000030104020 memsz: 0x0000000000254890 filesz: 0x0000000000039f58

 1684 13:52:09.225019  lb: [0x00000000cde9f000, 0x00000000cdfa09d8)

 1685 13:52:09.234781  Post relocation: addr: 0x0000000030104020 memsz: 0x0000000000254890 filesz: 0x0000000000039f58

 1686 13:52:09.234875  it's not compressed!

 1687 13:52:09.261384  [ 0x30104020, 3013df78, 0x303588b0) <- fff9e1f0

 1688 13:52:09.267606  Clearing Segment: addr: 0x000000003013df78 memsz: 0x000000000021a938

 1689 13:52:09.270725  dest 30104020, end 303588b0, bouncebuffer ffffffff

 1690 13:52:09.274434  Loaded segments

 1691 13:52:09.274545  Lock SMM configuration

 1692 13:52:09.277885  POST: 0xfe

 1693 13:52:09.280889  BS: BS_PAYLOAD_LOAD times (us): entry 231 run 92769 exit 3311

 1694 13:52:09.284307  PSP: Notify that POST is finishing... OK

 1695 13:52:09.287544  POST: 0x7b

 1696 13:52:09.290954  mp_park_aps done after 0 msecs.

 1697 13:52:09.294096  Jumping to boot code at 30104020(cde52000)

 1698 13:52:09.294199  POST: 0xf8

 1699 13:52:09.300733  CPU0: stack: cdeda000 - cdedb000, lowest used address cdeda558, stack used: 2728 bytes

 1700 13:52:09.306621  

 1701 13:52:09.306744  

 1702 13:52:09.306837  

 1703 13:52:09.306987  Starting depthcharge on grunt...

 1704 13:52:09.307431  end: 2.2.3 depthcharge-start (duration 00:00:08) [common]
 1705 13:52:09.307557  start: 2.2.4 bootloader-commands (timeout 00:04:47) [common]
 1706 13:52:09.307669  Setting prompt string to ['grunt:']
 1707 13:52:09.307788  bootloader-commands: Wait for prompt ['grunt:'] (timeout 00:04:47)
 1708 13:52:09.309853  

 1709 13:52:09.313236  WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime!

 1710 13:52:09.316444  

 1711 13:52:09.323183  WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime!

 1712 13:52:09.323292  

 1713 13:52:09.326248  The GBB signature is at 0x30004020 and is:  24 47 42 42

 1714 13:52:09.330566  

 1715 13:52:09.333764  [firmware-grunt-11031.B-collabora] Dec 11 2020 09:59:28

 1716 13:52:09.333865  

 1717 13:52:09.334014  

 1718 13:52:09.334093  

 1719 13:52:09.334375  Setting prompt string to ['grunt:', '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}']
 1721 13:52:09.434873  grunt: tftpboot 192.168.201.1 12269278/tftp-deploy-uw6o1onf/kernel/bzImage 12269278/tftp-deploy-uw6o1onf/kernel/cmdline 12269278/tftp-deploy-uw6o1onf/ramdisk/ramdisk.cpio.gz

 1722 13:52:09.435426  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}']
 1723 13:52:09.435940  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 00:04:47)
 1724 13:52:09.441575  tftpboot 192.168.201.1 12269278/tftp-deploy-uw6o1onf/kernel/bzImageonf/kernel/cmdline 12269278/tftp-deploy-uw6o1onf/ramdisk/ramdisk.cpio.gz

 1725 13:52:09.442146  

 1726 13:52:09.442538  Waiting for link

 1727 13:52:09.645183  

 1728 13:52:09.645747  R8152: Initializing

 1729 13:52:09.646236  

 1730 13:52:09.648461  Version 9 (ocp_data = 6010)

 1731 13:52:09.679763  

 1732 13:52:09.680405  R8152: Done initializing

 1733 13:52:09.680949  

 1734 13:52:09.682918  Adding net device

 1735 13:52:09.884691  

 1736 13:52:09.885185  done.

 1737 13:52:09.885522  

 1738 13:52:09.886103  MAC: 00:e0:4c:75:03:5c

 1739 13:52:09.886451  

 1740 13:52:09.888026  Sending DHCP discover... done.

 1741 13:52:09.888447  

 1742 13:52:09.891355  Waiting for reply... done.

 1743 13:52:09.891906  

 1744 13:52:09.894565  Sending DHCP request... done.

 1745 13:52:09.894988  

 1746 13:52:09.917338  Waiting for reply... done.

 1747 13:52:09.917763  

 1748 13:52:09.918182  My ip is 192.168.201.12

 1749 13:52:09.918507  

 1750 13:52:09.920645  The DHCP server ip is 192.168.201.1

 1751 13:52:09.921068  

 1752 13:52:09.927518  TFTP server IP predefined by user: 192.168.201.1

 1753 13:52:09.927987  

 1754 13:52:09.934082  Bootfile predefined by user: 12269278/tftp-deploy-uw6o1onf/kernel/bzImage

 1755 13:52:09.934531  

 1756 13:52:09.934869  Sending tftp read request... done.

 1757 13:52:09.937277  

 1758 13:52:09.941410  Waiting for the transfer... 

 1759 13:52:09.941874  

 1760 13:52:10.226320  00000000 ################################################################

 1761 13:52:10.226473  

 1762 13:52:10.482104  00080000 ################################################################

 1763 13:52:10.482265  

 1764 13:52:10.731977  00100000 ################################################################

 1765 13:52:10.732128  

 1766 13:52:10.975131  00180000 ################################################################

 1767 13:52:10.975271  

 1768 13:52:11.217632  00200000 ################################################################

 1769 13:52:11.217771  

 1770 13:52:11.462009  00280000 ################################################################

 1771 13:52:11.462177  

 1772 13:52:11.705861  00300000 ################################################################

 1773 13:52:11.706050  

 1774 13:52:11.951090  00380000 ################################################################

 1775 13:52:11.951259  

 1776 13:52:12.211731  00400000 ################################################################

 1777 13:52:12.211906  

 1778 13:52:12.462678  00480000 ################################################################

 1779 13:52:12.462825  

 1780 13:52:12.732269  00500000 ################################################################

 1781 13:52:12.732422  

 1782 13:52:13.010193  00580000 ################################################################

 1783 13:52:13.010331  

 1784 13:52:13.255833  00600000 ################################################################

 1785 13:52:13.256003  

 1786 13:52:13.529827  00680000 ################################################################

 1787 13:52:13.530035  

 1788 13:52:13.793219  00700000 ################################################################

 1789 13:52:13.793388  

 1790 13:52:14.063814  00780000 ################################################################

 1791 13:52:14.063957  

 1792 13:52:14.317353  00800000 ################################################################

 1793 13:52:14.317507  

 1794 13:52:14.567528  00880000 ################################################################

 1795 13:52:14.567698  

 1796 13:52:14.822694  00900000 ################################################################

 1797 13:52:14.822857  

 1798 13:52:15.090394  00980000 ################################################################

 1799 13:52:15.090544  

 1800 13:52:15.348662  00a00000 ################################################################

 1801 13:52:15.348803  

 1802 13:52:15.613858  00a80000 ################################################################

 1803 13:52:15.614035  

 1804 13:52:15.876178  00b00000 ################################################################

 1805 13:52:15.876376  

 1806 13:52:16.138765  00b80000 ################################################################

 1807 13:52:16.138947  

 1808 13:52:16.401632  00c00000 ################################################################

 1809 13:52:16.401804  

 1810 13:52:16.662866  00c80000 ################################################################

 1811 13:52:16.663036  

 1812 13:52:17.358993  00d00000 ################################################################

 1813 13:52:17.359212  

 1814 13:52:17.359399  00d80000 ################################################################

 1815 13:52:17.359500  

 1816 13:52:17.436028  00e00000 ################################################################

 1817 13:52:17.436240  

 1818 13:52:17.703160  00e80000 ################################################################

 1819 13:52:17.703320  

 1820 13:52:17.968438  00f00000 ################################################################

 1821 13:52:17.968596  

 1822 13:52:18.232337  00f80000 ################################################################

 1823 13:52:18.232546  

 1824 13:52:18.480511  01000000 ############################################################# done.

 1825 13:52:18.480672  

 1826 13:52:18.483652  The bootfile was 17275200 bytes long.

 1827 13:52:18.483768  

 1828 13:52:18.487034  Sending tftp read request... done.

 1829 13:52:18.487133  

 1830 13:52:18.487202  Waiting for the transfer... 

 1831 13:52:18.487274  

 1832 13:52:18.757522  00000000 ################################################################

 1833 13:52:18.757684  

 1834 13:52:19.030404  00080000 ################################################################

 1835 13:52:19.030565  

 1836 13:52:19.295738  00100000 ################################################################

 1837 13:52:19.295950  

 1838 13:52:19.545102  00180000 ################################################################

 1839 13:52:19.545269  

 1840 13:52:19.779769  00200000 ################################################################

 1841 13:52:19.779957  

 1842 13:52:20.044671  00280000 ################################################################

 1843 13:52:20.044860  

 1844 13:52:20.312855  00300000 ################################################################

 1845 13:52:20.313014  

 1846 13:52:20.563506  00380000 ################################################################

 1847 13:52:20.563668  

 1848 13:52:20.816038  00400000 ################################################################

 1849 13:52:20.816219  

 1850 13:52:21.085129  00480000 ################################################################

 1851 13:52:21.085334  

 1852 13:52:21.366778  00500000 ################################################################

 1853 13:52:21.366930  

 1854 13:52:21.631944  00580000 ################################################################

 1855 13:52:21.632099  

 1856 13:52:21.883071  00600000 ################################################################

 1857 13:52:21.883225  

 1858 13:52:22.139112  00680000 ################################################################

 1859 13:52:22.139273  

 1860 13:52:22.395262  00700000 ################################################################

 1861 13:52:22.395441  

 1862 13:52:22.647813  00780000 ################################################################

 1863 13:52:22.648002  

 1864 13:52:22.914708  00800000 ################################################################

 1865 13:52:22.914859  

 1866 13:52:23.182771  00880000 ################################################################

 1867 13:52:23.182918  

 1868 13:52:23.455669  00900000 ################################################################

 1869 13:52:23.455830  

 1870 13:52:23.730160  00980000 ################################################################

 1871 13:52:23.730320  

 1872 13:52:23.735412  00a00000 # done.

 1873 13:52:23.735513  

 1874 13:52:23.738634  Sending tftp read request... done.

 1875 13:52:23.738723  

 1876 13:52:23.738789  Waiting for the transfer... 

 1877 13:52:23.738851  

 1878 13:52:23.741866  00000000 # done.

 1879 13:52:23.741975  

 1880 13:52:23.748565  Command line loaded dynamically from TFTP file: 12269278/tftp-deploy-uw6o1onf/kernel/cmdline

 1881 13:52:23.748664  

 1882 13:52:23.775147  The command line is: earlyprintk=uart8250,mmio32,0xfedc6000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12269278/extract-nfsrootfs-wcbz0q8k,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1883 13:52:23.785519  

 1884 13:52:23.785662  Shutting down all USB controllers.

 1885 13:52:23.785732  

 1886 13:52:23.788438  Removing current net device

 1887 13:52:23.797350  

 1888 13:52:23.797471  Finalizing coreboot

 1889 13:52:23.797538  

 1890 13:52:23.797598  

 1891 13:52:23.797655  

 1892 13:52:23.803966  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 smm starting...

 1893 13:52:23.804065  

 1894 13:52:23.804131  SMI# #0

 1895 13:52:23.810306  Exiting depthcharge with code 4 at timestamp: 21225034

 1896 13:52:23.810400  

 1897 13:52:23.810465  

 1898 13:52:23.810527  Starting kernel ...

 1899 13:52:23.810585  

 1900 13:52:23.810641  

 1901 13:52:23.811057  end: 2.2.4 bootloader-commands (duration 00:00:15) [common]
 1902 13:52:23.811158  start: 2.2.5 auto-login-action (timeout 00:04:33) [common]
 1903 13:52:23.811235  Setting prompt string to ['Linux version [0-9]']
 1904 13:52:23.811303  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}']
 1905 13:52:23.811370  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)
 1906 13:52:24.369250  

 1907 13:52:24.369464  

 1908 13:52:24.369597  

 1909 13:52:24.372413  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 smm starting...

 1910 13:52:24.372521  

 1911 13:52:24.375798  SMI# #0

 1912 13:52:24.379102  Chrome EC: Set SMI mask to 0x0000000000000000

 1913 13:52:24.382245  Chrome EC: UHEPI supported

 1914 13:52:24.386174  Clearing pending EC events. Error code 1 is expected.

 1915 13:52:24.389467  EC returned error result code 9

 1916 13:52:24.393017  Chrome EC: Set SCI mask to 0x00000000142609fb

 1917 13:52:25.380649  start: 2.2.5.1 login-action (timeout 00:04:31) [common]
 1918 13:52:25.380799  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.
 1919 13:52:25.380874  Setting prompt string to []
 1920 13:52:25.380951  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']
 1921 13:52:25.381025  Using line separator: #'\n'#
 1922 13:52:25.381085  No login prompt set.
 1923 13:52:25.381146  Parsing kernel messages
 1924 13:52:25.381201  ['-\\[ 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']
 1925 13:52:25.381305  [login-action] Waiting for messages, (timeout 00:04:31)
 1926 13:52:25.400531  <5>[    0.000000] Linux version 5.10.201-cip41 (KernelCI@build-j47822-x86-64-gcc-10-x86-64-defconfig-x86-board-vl2bv) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Dec 14 11:54:32 UTC 2023

 1927 13:52:25.427446  <6>[    0.000000] Command line: earlyprintk=uart8250,mmio32,0xfedc6000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12269278/extract-nfsrootfs-wcbz0q8k,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1928 13:52:25.430458  <6>[    0.000000] BIOS-provided physical RAM map:

 1929 13:52:25.437269  <6>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16

 1930 13:52:25.443814  <6>[    0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable

 1931 13:52:25.453898  <6>[    0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved

 1932 13:52:25.460283  <6>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000cdd0cfff] usable

 1933 13:52:25.467086  <6>[    0.000000] BIOS-e820: [mem 0x00000000cdd0d000-0x00000000cdffffff] type 16

 1934 13:52:25.473620  <6>[    0.000000] BIOS-e820: [mem 0x00000000ce000000-0x00000000cfffffff] reserved

 1935 13:52:25.480229  <6>[    0.000000] BIOS-e820: [mem 0x00000000f8000000-0x00000000fbffffff] reserved

 1936 13:52:25.486830  <6>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000012effffff] usable

 1937 13:52:25.493216  <6>[    0.000000] NX (Execute Disable) protection: active

 1938 13:52:25.496501  <6>[    0.000000] SMBIOS 2.7 present.

 1939 13:52:25.502757  <6>[    0.000000] DMI: Google Grunt/Grunt, BIOS  09/05/2019

 1940 13:52:25.506692  <6>[    0.000000] tsc: Fast TSC calibration using PIT

 1941 13:52:25.513177  <6>[    0.000000] tsc: Detected 1596.970 MHz processor

 1942 13:52:25.516196  <6>[    0.001233] last_pfn = 0x12f000 max_arch_pfn = 0x400000000

 1943 13:52:25.523009  <6>[    0.001727] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  

 1944 13:52:25.529370  <6>[    0.003280] last_pfn = 0xcdd0d max_arch_pfn = 0x400000000

 1945 13:52:25.536063  <6>[    0.009854] check: Scanning 1 areas for low memory corruption

 1946 13:52:25.539312  <6>[    0.009864] Using GB pages for direct mapping

 1947 13:52:25.545777  <6>[    0.010396] RAMDISK: [mem 0x375fe000-0x37ffffff]

 1948 13:52:25.552548  <6>[    0.010403] ACPI: Early table checksum verification disabled

 1949 13:52:25.555912  <6>[    0.010410] ACPI: RSDP 0x00000000000F0000 000024 (v02 COREv4)

 1950 13:52:25.565795  <6>[    0.010419] ACPI: XSDT 0x00000000CDE2E0E0 000074 (v01 COREv4 COREBOOT 00000000 CORE 00000000)

 1951 13:52:25.575828  <6>[    0.010431] ACPI: FACP 0x00000000CDE31E60 0000F4 (v04 COREv4 COREBOOT 00000000 CORE 00000000)

 1952 13:52:25.582286  <6>[    0.010443] ACPI: DSDT 0x00000000CDE2E280 003BE0 (v02 COREv4 COREBOOT 00010001 INTL 20180531)

 1953 13:52:25.588811  <6>[    0.010452] ACPI: FACS 0x00000000CDE2E240 000040

 1954 13:52:25.598773  <6>[    0.010459] ACPI: SSDT 0x00000000CDE31F60 000DB5 (v02 COREv4 COREBOOT 0000002A CORE 0000002A)

 1955 13:52:25.605971  <6>[    0.010468] ACPI: MCFG 0x00000000CDE32D20 00003C (v01 COREv4 COREBOOT 00000000 CORE 00000000)

 1956 13:52:25.615166  <6>[    0.010476] ACPI: TCPA 0x00000000CDE32D60 000032 (v02 COREv4 COREBOOT 00000000 CORE 00000000)

 1957 13:52:25.625481  <6>[    0.010484] ACPI: APIC 0x00000000CDE32DA0 00006E (v02 COREv4 COREBOOT 00000000 CORE 00000000)

 1958 13:52:25.632061  <6>[    0.010491] ACPI: VFCT 0x00000000CDE32E10 00FE69 (v01 COREv4 COREBOOT 00000000 CORE 00000000)

 1959 13:52:25.642402  <6>[    0.010499] ACPI: HPET 0x00000000CDE42C80 000038 (v01 COREv4 COREBOOT 00000000 CORE 00000000)

 1960 13:52:25.648958  <6>[    0.010507] ACPI: HEST 0x00000000CDE42CC0 0001D0 (v01 COREv4 COREBOOT 00000000 CORE 00000000)

 1961 13:52:25.658529  <6>[    0.010515] ACPI: SSDT 0x00000000CDE42E90 004B5B (v02 AMD    AGESA    00000002 MSFT 04000000)

 1962 13:52:25.668266  <6>[    0.010522] ACPI: SSDT 0x00000000CDE479F0 00043C (v01 AMD    AGESA    00000001 AMD  00000001)

 1963 13:52:25.675113  <6>[    0.010530] ACPI: Reserving FACP table memory at [mem 0xcde31e60-0xcde31f53]

 1964 13:52:25.681455  <6>[    0.010534] ACPI: Reserving DSDT table memory at [mem 0xcde2e280-0xcde31e5f]

 1965 13:52:25.687986  <6>[    0.010538] ACPI: Reserving FACS table memory at [mem 0xcde2e240-0xcde2e27f]

 1966 13:52:25.698431  <6>[    0.010541] ACPI: Reserving SSDT table memory at [mem 0xcde31f60-0xcde32d14]

 1967 13:52:25.705040  <6>[    0.010545] ACPI: Reserving MCFG table memory at [mem 0xcde32d20-0xcde32d5b]

 1968 13:52:25.711956  <6>[    0.010548] ACPI: Reserving TCPA table memory at [mem 0xcde32d60-0xcde32d91]

 1969 13:52:25.718588  <6>[    0.010551] ACPI: Reserving APIC table memory at [mem 0xcde32da0-0xcde32e0d]

 1970 13:52:25.724958  <6>[    0.010554] ACPI: Reserving VFCT table memory at [mem 0xcde32e10-0xcde42c78]

 1971 13:52:25.735140  <6>[    0.010558] ACPI: Reserving HPET table memory at [mem 0xcde42c80-0xcde42cb7]

 1972 13:52:25.741816  <6>[    0.010561] ACPI: Reserving HEST table memory at [mem 0xcde42cc0-0xcde42e8f]

 1973 13:52:25.748377  <6>[    0.010564] ACPI: Reserving SSDT table memory at [mem 0xcde42e90-0xcde479ea]

 1974 13:52:25.755280  <6>[    0.010567] ACPI: Reserving SSDT table memory at [mem 0xcde479f0-0xcde47e2b]

 1975 13:52:25.758276  <6>[    0.010633] No NUMA configuration found

 1976 13:52:25.767729  <6>[    0.010637] Faking a node at [mem 0x0000000000000000-0x000000012effffff]

 1977 13:52:25.771185  <6>[    0.010644] NODE_DATA(0) allocated [mem 0x12effa000-0x12effdfff]

 1978 13:52:25.774592  <6>[    0.010681] Zone ranges:

 1979 13:52:25.781272  <6>[    0.010684]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]

 1980 13:52:25.788122  <6>[    0.010689]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]

 1981 13:52:25.794557  <6>[    0.010694]   Normal   [mem 0x0000000100000000-0x000000012effffff]

 1982 13:52:25.798276  <6>[    0.010698] Movable zone start for each node

 1983 13:52:25.805130  <6>[    0.010701] Early memory node ranges

 1984 13:52:25.811652  <6>[    0.010705]   node   0: [mem 0x0000000000001000-0x000000000009ffff]

 1985 13:52:25.817609  <6>[    0.010708]   node   0: [mem 0x0000000000100000-0x00000000cdd0cfff]

 1986 13:52:25.824302  <6>[    0.010712]   node   0: [mem 0x0000000100000000-0x000000012effffff]

 1987 13:52:25.830884  <6>[    0.010716] Initmem setup node 0 [mem 0x0000000000001000-0x000000012effffff]

 1988 13:52:25.837520  <6>[    0.010742] On node 0, zone DMA: 1 pages in unavailable ranges

 1989 13:52:25.843847  <6>[    0.010777] On node 0, zone DMA: 96 pages in unavailable ranges

 1990 13:52:25.851244  <6>[    0.026764] On node 0, zone Normal: 8947 pages in unavailable ranges

 1991 13:52:25.857715  <6>[    0.026837] On node 0, zone Normal: 4096 pages in unavailable ranges

 1992 13:52:25.860378  <6>[    0.026903] ACPI: PM-Timer IO Port: 0x418

 1993 13:52:25.866920  <6>[    0.026916] ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1])

 1994 13:52:25.873746  <6>[    0.026937] IOAPIC[0]: apic_id 4, version 33, address 0xfec00000, GSI 0-23

 1995 13:52:25.880115  <6>[    0.026949] IOAPIC[1]: apic_id 5, version 33, address 0xfec20000, GSI 24-55

 1996 13:52:25.886875  <6>[    0.026954] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)

 1997 13:52:25.893357  <6>[    0.026958] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)

 1998 13:52:25.900169  <6>[    0.026968] Using ACPI (MADT) for SMP configuration information

 1999 13:52:25.907040  <6>[    0.026973] ACPI: HPET id: 0x10228201 base: 0xfed00000

 2000 13:52:25.910422  <6>[    0.026981] smpboot: Allowing 2 CPUs, 0 hotplug CPUs

 2001 13:52:25.920233  <6>[    0.027004] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]

 2002 13:52:25.926393  <6>[    0.027009] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff]

 2003 13:52:25.933211  <6>[    0.027013] PM: hibernation: Registered nosave memory: [mem 0xcdd0d000-0xcdffffff]

 2004 13:52:25.942779  <6>[    0.027017] PM: hibernation: Registered nosave memory: [mem 0xce000000-0xcfffffff]

 2005 13:52:25.950012  <6>[    0.027020] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xf7ffffff]

 2006 13:52:25.956693  <6>[    0.027023] PM: hibernation: Registered nosave memory: [mem 0xf8000000-0xfbffffff]

 2007 13:52:25.966026  <6>[    0.027025] PM: hibernation: Registered nosave memory: [mem 0xfc000000-0xffffffff]

 2008 13:52:25.973038  <6>[    0.027032] [mem 0xd0000000-0xf7ffffff] available for PCI devices

 2009 13:52:25.982708  <6>[    0.027039] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns

 2010 13:52:25.989396  <6>[    0.036206] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1

 2011 13:52:25.996381  <6>[    0.036752] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u1048576

 2012 13:52:26.006002  <6>[    0.036819] Built 1 zonelists, mobility grouping on.  Total pages: 1019233

 2013 13:52:26.009654  <6>[    0.036823] Policy zone: Normal

 2014 13:52:26.035724  <5>[    0.036837] Kernel command line: earlyprintk=uart8250,mmio32,0xfedc6000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12269278/extract-nfsrootfs-wcbz0q8k,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2015 13:52:26.041984  <6>[    0.037939] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)

 2016 13:52:26.052254  <6>[    0.038425] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)

 2017 13:52:26.058596  <6>[    0.038454] mem auto-init: stack:off, heap alloc:off, heap free:off

 2018 13:52:26.072034  <6>[    0.073026] Memory: 3929464K/4141744K available (22546K kernel code, 3713K rwdata, 10972K rodata, 2168K init, 13956K bss, 212020K reserved, 0K cma-reserved)

 2019 13:52:26.078372  <6>[    0.073139] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1

 2020 13:52:26.084973  <6>[    0.073221] ftrace: allocating 61876 entries in 242 pages

 2021 13:52:26.091404  <6>[    0.129812] ftrace: allocated 242 pages with 5 groups

 2022 13:52:26.094696  <6>[    0.130062] Running RCU self tests

 2023 13:52:26.098217  <6>[    0.130073] rcu: Hierarchical RCU implementation.

 2024 13:52:26.105262  <6>[    0.130077] rcu: 	RCU event tracing is enabled.

 2025 13:52:26.108582  <6>[    0.130080] rcu: 	RCU lockdep checking is enabled.

 2026 13:52:26.114671  <6>[    0.130083] rcu: 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2.

 2027 13:52:26.121373  <6>[    0.130087] 	Rude variant of Tasks RCU enabled.

 2028 13:52:26.124687  <6>[    0.130090] 	Tracing variant of Tasks RCU enabled.

 2029 13:52:26.134191  <6>[    0.130094] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.

 2030 13:52:26.141572  <6>[    0.130097] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2

 2031 13:52:26.147720  <6>[    0.136916] NR_IRQS: 4352, nr_irqs: 512, preallocated irqs: 16

 2032 13:52:26.151079  <5>[    0.137244] random: crng init done

 2033 13:52:26.154351  <6>[    0.137344] Console: colour dummy device 80x25

 2034 13:52:26.157604  <6>[    0.163368] printk: console [ttyS0] enabled

 2035 13:52:26.167383  <4>[    0.163522] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

 2036 13:52:26.170821  <4>[    0.163791] ... MAX_LOCKDEP_SUBCLASSES:  8

 2037 13:52:26.177464  <4>[    0.163941] ... MAX_LOCK_DEPTH:          48

 2038 13:52:26.180781  <4>[    0.164095] ... MAX_LOCKDEP_KEYS:        8192

 2039 13:52:26.183918  <4>[    0.164253] ... CLASSHASH_SIZE:          4096

 2040 13:52:26.190364  <4>[    0.164412] ... MAX_LOCKDEP_ENTRIES:     32768

 2041 13:52:26.193714  <4>[    0.164574] ... MAX_LOCKDEP_CHAINS:      65536

 2042 13:52:26.200536  <4>[    0.164735] ... CHAINHASH_SIZE:          32768

 2043 13:52:26.203643  <4>[    0.164897]  memory used by lock dependency info: 6365 kB

 2044 13:52:26.210313  <4>[    0.165089]  memory used for stack traces: 4224 kB

 2045 13:52:26.217137  <4>[    0.165262]  per task-struct memory footprint: 1920 bytes

 2046 13:52:26.220297  <6>[    0.165508] ACPI: Core revision 20200925

 2047 13:52:26.230507  <6>[    0.165884] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484873504 ns

 2048 13:52:26.233812  <6>[    0.166250] APIC: Switch to symmetric I/O mode setup

 2049 13:52:26.240240  <6>[    0.166869] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=0 pin2=0

 2050 13:52:26.250091  <6>[    0.171240] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1704f697242, max_idle_ns: 440795206373 ns

 2051 13:52:26.263145  <6>[    0.171622] Calibrating delay loop (skipped), value calculated using timer frequency.. 3193.94 BogoMIPS (lpj=1596970)

 2052 13:52:26.273525  <6>[    0.172000] BIOS may not properly restore RDRAND after suspend, hiding RDRAND via CPUID. Use rdrand=force to reenable.

 2053 13:52:26.276895  <6>[    0.172690] LVT offset 1 assigned for vector 0xf9

 2054 13:52:26.283500  <6>[    0.172871] Last level iTLB entries: 4KB 512, 2MB 1024, 4MB 512

 2055 13:52:26.289783  <6>[    0.173082] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 512, 1GB 0

 2056 13:52:26.299683  <6>[    0.173320] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization

 2057 13:52:26.303011  <6>[    0.173612] Spectre V2 : Mitigation: Retpolines

 2058 13:52:26.313241  <6>[    0.173777] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch

 2059 13:52:26.319518  <6>[    0.174064] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT

 2060 13:52:26.326305  <6>[    0.174299] Spectre V2 : Enabling Speculation Barrier for firmware calls

 2061 13:52:26.332806  <6>[    0.174610] RETBleed: Mitigation: untrained return thunk

 2062 13:52:26.342869  <6>[    0.174804] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier

 2063 13:52:26.352756  <6>[    0.175097] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp

 2064 13:52:26.359343  <6>[    0.175441] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'

 2065 13:52:26.366050  <6>[    0.175610] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'

 2066 13:52:26.372991  <6>[    0.175834] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'

 2067 13:52:26.378830  <6>[    0.176060] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256

 2068 13:52:26.388813  <6>[    0.176279] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.

 2069 13:52:26.392136  <4>[    0.185127] ------------[ cut here ]------------

 2070 13:52:26.393192  Setting prompt string to ['-+\\[ end trace \\w* \\]-+[^\\n]*\\r', '/ #', 'Login timed out', 'Login incorrect']
 2071 13:52:26.405404  <4>[    0.185309] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00

 2072 13:52:26.412001  <4>[    0.185320] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220

 2073 13:52:26.415662  <4>[    0.185915] Modules linked in:

 2074 13:52:26.422213  <4>[    0.186037] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.201-cip41 #1

 2075 13:52:26.428756  <4>[    0.186270] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 2076 13:52:26.436038  <4>[    0.186482] RIP: 0010:apply_returns+0x1f5/0x220

 2077 13:52:26.452195  <4>[    0.186612] 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 98 ed e7 a6 c6 05 00 15 67 02 01 e8 25 fc 15 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc

 2078 13:52:26.458504  <4>[    0.187241] RSP: 0000:ffffffffa7203e28 EFLAGS: 00010282

 2079 13:52:26.465184  <4>[    0.187432] RAX: 0000000000000000 RBX: ffffffffa7e2c1cc RCX: 0000000000000000

 2080 13:52:26.471884  <4>[    0.187610] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa4f77b91

 2081 13:52:26.481702  <4>[    0.187860] RBP: ffffffffa6af8540 R08: 0000000000000001 R09: 0000000000000001

 2082 13:52:26.488330  <4>[    0.188110] R10: ffffffffa728fee0 R11: 3fffffffffffffff R12: ffffffffa7e45500

 2083 13:52:26.494842  <4>[    0.188360] R13: cccccccccccccccc R14: ffffffffa6af8545 R15: 0000000000000000

 2084 13:52:26.505086  <4>[    0.188611] FS:  0000000000000000(0000) GS:ffff89a1eac00000(0000) knlGS:0000000000000000

 2085 13:52:26.511733  <4>[    0.188892] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 2086 13:52:26.518177  <4>[    0.189096] CR2: ffff89a1eefff000 CR3: 00000000c5626000 CR4: 00000000001506f0

 2087 13:52:26.521917  <4>[    0.189346] Call Trace:

 2088 13:52:26.525068  <4>[    0.189616]  ? __warn+0x80/0x110

 2089 13:52:26.528291  <4>[    0.189741]  ? apply_returns+0x1f5/0x220

 2090 13:52:26.531187  <4>[    0.189890]  ? report_bug+0x9e/0xc0

 2091 13:52:26.535251  <4>[    0.190027]  ? handle_bug+0x41/0x90

 2092 13:52:26.538327  <4>[    0.190159]  ? exc_invalid_op+0x14/0x70

 2093 13:52:26.544898  <4>[    0.190303]  ? asm_exc_invalid_op+0x12/0x20

 2094 13:52:26.548347  <4>[    0.190465]  ? console_unlock+0x4d1/0x5f0

 2095 13:52:26.551985  <4>[    0.190611]  ? apply_returns+0x1f5/0x220

 2096 13:52:26.555027  <4>[    0.190759]  ? apply_returns+0x1f5/0x220

 2097 13:52:26.561791  <4>[    0.190905]  ? lock_acquire+0xbf/0x280

 2098 13:52:26.564561  <4>[    0.191058]  alternative_instructions+0x7d/0x143

 2099 13:52:26.571287  <4>[    0.191229]  arch_cpu_finalize_init+0x28/0x47

 2100 13:52:26.574625  <4>[    0.191391]  start_kernel+0x4a3/0x54d

 2101 13:52:26.578231  <4>[    0.191533]  secondary_startup_64_no_verify+0xc2/0xcb

 2102 13:52:26.581211  <4>[    0.191620] irq event stamp: 1475

 2103 13:52:26.591090  <4>[    0.191747] hardirqs last  enabled at (1483): [<ffffffffa4f77b91>] console_unlock+0x4d1/0x5f0

 2104 13:52:26.600926  <4>[    0.192043] hardirqs last disabled at (1490): [<ffffffffa4f77b04>] console_unlock+0x444/0x5f0

 2105 13:52:26.607571  <4>[    0.192340] softirqs last  enabled at (1472): [<ffffffffa4f07ce1>] irq_enter_rcu+0x71/0x80

 2106 13:52:26.617753  <4>[    0.192611] softirqs last disabled at (1507): [<ffffffffa4f07cc6>] irq_enter_rcu+0x56/0x80

 2107 13:52:26.621105  <4>[    0.192900] ---[ end trace e32a66cc720e8153 ]---

 2108 13:52:26.621911  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']
 2109 13:52:26.622356  login-action: kernel 'warning'
 2110 13:52:26.622714  [login-action] Waiting for messages, (timeout 00:04:30)
 2111 13:52:26.627660  <6>[    0.196999] Freeing SMP alternatives memory: 48K

 2112 13:52:26.630675  <6>[    0.197174] pid_max: default: 32768 minimum: 301

 2113 13:52:26.637571  <6>[    0.197409] LSM: Security Framework initializing

 2114 13:52:26.640669  <6>[    0.197600] SELinux:  Initializing.

 2115 13:52:26.643879  <6>[    0.197647] LSM support for eBPF active

 2116 13:52:26.650731  <6>[    0.197818] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2117 13:52:26.660558  <6>[    0.198087] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2118 13:52:26.667400  <6>[    0.199827] smpboot: CPU 0 Converting physical 2 to logical die 0

 2119 13:52:26.677507  <6>[    0.302213] smpboot: CPU0: AMD A4-9120C RADEON R4, 5 COMPUTE CORES 2C+3G (family: 0x15, model: 0x70, stepping: 0x0)

 2120 13:52:26.683657  <6>[    0.302607] Performance Events: Fam15h core perfctr, AMD PMU driver.

 2121 13:52:26.686946  <6>[    0.302617] ... version:                0

 2122 13:52:26.693641  <6>[    0.302766] ... bit width:              48

 2123 13:52:26.697097  <6>[    0.302916] ... generic registers:      6

 2124 13:52:26.703508  <6>[    0.303064] ... value mask:             0000ffffffffffff

 2125 13:52:26.706754  <6>[    0.303255] ... max period:             00007fffffffffff

 2126 13:52:26.713520  <6>[    0.303445] ... fixed-purpose events:   0

 2127 13:52:26.716670  <6>[    0.303610] ... event mask:             000000000000003f

 2128 13:52:26.723356  <6>[    0.304075] rcu: Hierarchical SRCU implementation.

 2129 13:52:26.726635  <6>[    0.305552] smp: Bringing up secondary CPUs ...

 2130 13:52:26.733638  <6>[    0.306091] x86: Booting SMP configuration:

 2131 13:52:26.736493  <6>[    0.306261] .... node  #0, CPUs:      #1

 2132 13:52:26.739880  <6>[    0.307756] smp: Brought up 1 node, 2 CPUs

 2133 13:52:26.747078  <6>[    0.307985] smpboot: Max logical packages: 1

 2134 13:52:26.753323  <6>[    0.308143] smpboot: Total of 2 processors activated (6387.88 BogoMIPS)

 2135 13:52:26.757068  <6>[    0.309858] devtmpfs: initialized

 2136 13:52:26.759756  <6>[    0.309957] x86/mm: Memory block size: 128MB

 2137 13:52:26.769998  <6>[    0.312896] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns

 2138 13:52:26.776209  <6>[    0.312961] futex hash table entries: 512 (order: 4, 65536 bytes, linear)

 2139 13:52:26.783054  <6>[    0.313957] pinctrl core: initialized pinctrl subsystem

 2140 13:52:26.786405  <6>[    0.314860] PM: RTC time: 13:51:42, date: 2023-12-14

 2141 13:52:26.793041  <6>[    0.315471] NET: Registered protocol family 16

 2142 13:52:26.800013  <6>[    0.316099] audit: initializing netlink subsys (disabled)

 2143 13:52:26.806493  <5>[    0.316326] audit: type=2000 audit(1702561901.149:1): state=initialized audit_enabled=0 res=1

 2144 13:52:26.813006  <6>[    0.317019] thermal_sys: Registered thermal governor 'step_wise'

 2145 13:52:26.819803  <6>[    0.317023] thermal_sys: Registered thermal governor 'user_space'

 2146 13:52:26.822856  <6>[    0.317319] cpuidle: using governor menu

 2147 13:52:26.829166  <6>[    0.317729] ACPI: bus type PCI registered

 2148 13:52:26.836237  <6>[    0.318109] PCI: MMCONFIG for domain 0000 [bus 00-40] at [mem 0xf8000000-0xfc0fffff] (base 0xf8000000)

 2149 13:52:26.845877  <6>[    0.318617] PCI: MMCONFIG at [mem 0xf8000000-0xfc0fffff] reserved in E820

 2150 13:52:26.856100  <6>[    0.318859] PCI: MMCONFIG for 0000 [bus00-1f] at [mem 0xf8000000-0xf9ffffff] (base 0xf8000000) (size reduced!)

 2151 13:52:26.859361  <6>[    0.319232] PCI: Using configuration type 1 for base access

 2152 13:52:26.866061  <6>[    0.340468] Kprobes globally optimized

 2153 13:52:26.872788  <6>[    0.340748] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages

 2154 13:52:26.879165  <6>[    0.340870] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages

 2155 13:52:26.886305  <6>[    0.341748] cryptomgr_test (28) used greatest stack depth: 14880 bytes left

 2156 13:52:26.888887  <6>[    0.344038] ACPI: Added _OSI(Module Device)

 2157 13:52:26.895892  <6>[    0.344198] ACPI: Added _OSI(Processor Device)

 2158 13:52:26.898884  <6>[    0.344361] ACPI: Added _OSI(3.0 _SCP Extensions)

 2159 13:52:26.905384  <6>[    0.344533] ACPI: Added _OSI(Processor Aggregator Device)

 2160 13:52:26.908822  <6>[    0.344642] ACPI: Added _OSI(Linux-Dell-Video)

 2161 13:52:26.915555  <6>[    0.344808] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)

 2162 13:52:26.922598  <6>[    0.345000] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)

 2163 13:52:26.929204  <6>[    0.358752] ACPI: 4 ACPI AML tables successfully acquired and loaded

 2164 13:52:26.932092  <6>[    0.367723] ACPI: EC: EC started

 2165 13:52:26.935864  <6>[    0.367864] ACPI: EC: interrupt blocked

 2166 13:52:26.942384  <6>[    0.368377] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2167 13:52:26.948872  <6>[    0.368564] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions

 2168 13:52:26.952043  <6>[    0.368611] ACPI: Interpreter enabled

 2169 13:52:26.955501  <6>[    0.368800] ACPI: (supports S0 S1 S3 S4 S5)

 2170 13:52:26.962001  <6>[    0.368957] ACPI: Using IOAPIC for interrupt routing

 2171 13:52:26.971932  <6>[    0.369171] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug

 2172 13:52:26.975471  <6>[    0.370209] ACPI: Enabled 3 GPEs in block 00 to 1F

 2173 13:52:26.982038  <6>[    0.372590] ACPI: Power Resource [P0U2] (off)

 2174 13:52:26.985269  <6>[    0.372743] ACPI: Power Resource [P3U2] (off)

 2175 13:52:26.991817  <6>[    0.374389] ACPI: Power Resource [P0U3] (off)

 2176 13:52:26.995259  <6>[    0.374664] ACPI: Power Resource [P3U3] (off)

 2177 13:52:26.998584  <6>[    0.382873] ACPI: Power Resource [PRIC] (on)

 2178 13:52:27.004984  <6>[    0.409097] ACPI: Power Resource [PRIC] (on)

 2179 13:52:27.011792  <6>[    0.439521] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])

 2180 13:52:27.018549  <6>[    0.439619] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]

 2181 13:52:27.028202  <6>[    0.440109] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR]

 2182 13:52:27.037681  <6>[    0.440403] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-1f] only partially covers this bridge

 2183 13:52:27.047703  <6>[    0.440702] acpi PNP0A08:00: host bridge window expanded to [io  0x0000-0x0cf7 window]; [io  0x03b0-0x03df window] ignored

 2184 13:52:27.054341  <6>[    0.441239] PCI host bridge to bus 0000:00

 2185 13:52:27.060890  <6>[    0.441613] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]

 2186 13:52:27.067587  <6>[    0.441853] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]

 2187 13:52:27.074235  <6>[    0.442094] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]

 2188 13:52:27.080999  <6>[    0.442336] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000dffff]

 2189 13:52:27.087733  <6>[    0.442612] pci_bus 0000:00: root bus resource [mem 0xd0000000-0xffffffff]

 2190 13:52:27.094192  <6>[    0.442855] pci_bus 0000:00: root bus resource [bus 00-ff]

 2191 13:52:27.100816  <6>[    0.443108] pci 0000:00:00.0: [1022:1576] type 00 class 0x060000

 2192 13:52:27.107210  <6>[    0.443941] pci 0000:00:01.0: [1002:98e4] type 00 class 0x030000

 2193 13:52:27.114158  <6>[    0.444172] pci 0000:00:01.0: reg 0x10: [mem 0xf0000000-0xf3ffffff 64bit pref]

 2194 13:52:27.121077  <6>[    0.444436] pci 0000:00:01.0: reg 0x18: [mem 0xf4000000-0xf47fffff 64bit pref]

 2195 13:52:27.127511  <6>[    0.444618] pci 0000:00:01.0: reg 0x20: [io  0x1000-0x10ff]

 2196 13:52:27.134291  <6>[    0.444824] pci 0000:00:01.0: reg 0x24: [mem 0xf4d00000-0xf4d3ffff]

 2197 13:52:27.141264  <6>[    0.445053] pci 0000:00:01.0: reg 0x30: [mem 0xf4d40000-0xf4d5ffff pref]

 2198 13:52:27.147305  <6>[    0.445295] pci 0000:00:01.0: enabling Extended Tags

 2199 13:52:27.150376  <6>[    0.445629] pci 0000:00:01.0: supports D1 D2

 2200 13:52:27.157572  <6>[    0.445787] pci 0000:00:01.0: PME# supported from D1 D2 D3hot

 2201 13:52:27.164418  <6>[    0.446313] pci 0000:00:01.1: [1002:15b3] type 00 class 0x040300

 2202 13:52:27.170811  <6>[    0.446542] pci 0000:00:01.1: reg 0x10: [mem 0xf4d80000-0xf4d83fff 64bit]

 2203 13:52:27.177325  <6>[    0.446645] pci 0000:00:01.1: enabling Extended Tags

 2204 13:52:27.180636  <6>[    0.446873] pci 0000:00:01.1: supports D1 D2

 2205 13:52:27.187112  <6>[    0.447234] pci 0000:00:02.0: [1022:157b] type 00 class 0x060000

 2206 13:52:27.193799  <6>[    0.447829] pci 0000:00:02.2: [1022:157c] type 01 class 0x060400

 2207 13:52:27.197227  <6>[    0.448088] pci 0000:00:02.2: enabling Extended Tags

 2208 13:52:27.203579  <6>[    0.448332] pci 0000:00:02.2: PME# supported from D0 D3hot D3cold

 2209 13:52:27.210649  <6>[    0.448880] pci 0000:00:02.4: [1022:157c] type 01 class 0x060400

 2210 13:52:27.217182  <6>[    0.449139] pci 0000:00:02.4: enabling Extended Tags

 2211 13:52:27.223462  <6>[    0.449381] pci 0000:00:02.4: PME# supported from D0 D3hot D3cold

 2212 13:52:27.226781  <6>[    0.449909] pci 0000:00:03.0: [1022:157b] type 00 class 0x060000

 2213 13:52:27.233380  <6>[    0.450353] pci 0000:00:08.0: [1022:1578] type 00 class 0x108000

 2214 13:52:27.243087  <6>[    0.450580] pci 0000:00:08.0: reg 0x10: [mem 0xf4d60000-0xf4d7ffff 64bit pref]

 2215 13:52:27.249753  <6>[    0.450617] pci 0000:00:08.0: reg 0x18: [mem 0xf4b00000-0xf4bfffff]

 2216 13:52:27.256571  <6>[    0.450844] pci 0000:00:08.0: reg 0x1c: [mem 0xf4d88000-0xf4d88fff]

 2217 13:52:27.259792  <6>[    0.451072] pci 0000:00:08.0: reg 0x20: [mem 0xf4c00000-0xf4cfffff]

 2218 13:52:27.266416  <6>[    0.451299] pci 0000:00:08.0: reg 0x24: [mem 0xf4d84000-0xf4d85fff]

 2219 13:52:27.273004  <6>[    0.451829] pci 0000:00:09.0: [1022:157d] type 00 class 0x060000

 2220 13:52:27.279458  <6>[    0.452286] pci 0000:00:10.0: [1022:7914] type 00 class 0x0c0330

 2221 13:52:27.285974  <6>[    0.452637] pci 0000:00:10.0: reg 0x10: [mem 0xf4d86000-0xf4d87fff 64bit]

 2222 13:52:27.292819  <6>[    0.453011] pci 0000:00:10.0: PME# supported from D0 D3hot D3cold

 2223 13:52:27.299391  <6>[    0.453560] pci 0000:00:12.0: [1022:7908] type 00 class 0x0c0320

 2224 13:52:27.306265  <6>[    0.453628] pci 0000:00:12.0: reg 0x10: [mem 0xf4d89000-0xf4d890ff]

 2225 13:52:27.309743  <6>[    0.453945] pci 0000:00:12.0: supports D1 D2

 2226 13:52:27.319389  <6>[    0.454103] pci 0000:00:12.0: PME# supported from D0 D1 D2 D3hot D3cold

 2227 13:52:27.322655  <6>[    0.454829] pci 0000:00:14.0: [1022:790b] type 00 class 0x0c0500

 2228 13:52:27.329519  <6>[    0.455376] pci 0000:00:14.3: [1022:790e] type 00 class 0x060100

 2229 13:52:27.335830  <6>[    0.455936] pci 0000:00:14.7: [1022:7906] type 00 class 0x080501

 2230 13:52:27.342341  <6>[    0.456173] pci 0000:00:14.7: reg 0x10: [mem 0xf4d8a000-0xf4d8a0ff 64bit]

 2231 13:52:27.348984  <6>[    0.456500] pci 0000:00:14.7: PME# supported from D3cold

 2232 13:52:27.355820  <6>[    0.456886] pci 0000:00:18.0: [1022:15b0] type 00 class 0x060000

 2233 13:52:27.362506  <6>[    0.457307] pci 0000:00:18.1: [1022:15b1] type 00 class 0x060000

 2234 13:52:27.368940  <6>[    0.457810] pci 0000:00:18.2: [1022:15b2] type 00 class 0x060000

 2235 13:52:27.375540  <6>[    0.458231] pci 0000:00:18.3: [1022:15b3] type 00 class 0x060000

 2236 13:52:27.378812  <6>[    0.458662] pci 0000:00:18.4: [1022:15b4] type 00 class 0x060000

 2237 13:52:27.385548  <6>[    0.459073] pci 0000:00:18.5: [1022:15b5] type 00 class 0x060000

 2238 13:52:27.392400  <6>[    0.459689] pci 0000:01:00.0: [168c:003e] type 00 class 0x028000

 2239 13:52:27.399136  <6>[    0.459987] pci 0000:01:00.0: reg 0x10: [mem 0xf4800000-0xf49fffff 64bit]

 2240 13:52:27.405480  <6>[    0.460505] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold

 2241 13:52:27.412216  <6>[    0.461054] pci 0000:00:02.2: PCI bridge to [bus 01]

 2242 13:52:27.419003  <6>[    0.461241] pci 0000:00:02.2:   bridge window [mem 0xf4800000-0xf49fffff]

 2243 13:52:27.425471  <6>[    0.461809] pci 0000:02:00.0: [1217:8620] type 00 class 0x080501

 2244 13:52:27.432357  <6>[    0.462127] pci 0000:02:00.0: reg 0x10: [mem 0xf4a00000-0xf4a00fff]

 2245 13:52:27.438541  <6>[    0.462443] pci 0000:02:00.0: reg 0x14: [mem 0xf4a01000-0xf4a017ff]

 2246 13:52:27.445498  <6>[    0.462845] pci 0000:02:00.0: PME# supported from D3hot D3cold

 2247 13:52:27.448710  <6>[    0.465853] pci 0000:00:02.4: PCI bridge to [bus 02]

 2248 13:52:27.455439  <6>[    0.466049] pci 0000:00:02.4:   bridge window [mem 0xf4a00000-0xf4afffff]

 2249 13:52:27.462214  <6>[    0.468087] ACPI: PCI Interrupt Link [INTA] (IRQs *3 4 5 7 10 11 12 15)

 2250 13:52:27.472235  <6>[    0.468472] ACPI: PCI Interrupt Link [INTB] (IRQs 3 *4 5 7 10 11 12 15)

 2251 13:52:27.478833  <6>[    0.468724] ACPI: PCI Interrupt Link [INTC] (IRQs 3 4 *5 7 10 11 12 15)

 2252 13:52:27.485434  <6>[    0.469086] ACPI: PCI Interrupt Link [INTD] (IRQs 3 4 5 *7 10 11 12 15)

 2253 13:52:27.492095  <6>[    0.469446] ACPI: PCI Interrupt Link [INTE] (IRQs 3 4 5 7 10 *11 12 15)

 2254 13:52:27.495212  <6>[    0.469721] ACPI: PCI Interrupt Link [INTF] (IRQs 9) *0

 2255 13:52:27.505481  <6>[    0.470025] ACPI: PCI Interrupt Link [INTG] (IRQs 3 4 5 7 10 11 12 15) *0

 2256 13:52:27.511955  <6>[    0.470610] ACPI: PCI Interrupt Link [INTH] (IRQs 3 4 5 7 10 11 12 15) *0

 2257 13:52:27.515181  <6>[    0.474558] ACPI: EC: interrupt unblocked

 2258 13:52:27.518580  <6>[    0.474611] ACPI: EC: event unblocked

 2259 13:52:27.525266  <6>[    0.474754] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2260 13:52:27.528375  <6>[    0.474942] ACPI: EC: GPE=0x3

 2261 13:52:27.535345  <6>[    0.475060] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete

 2262 13:52:27.541818  <6>[    0.475309] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events

 2263 13:52:27.548199  <6>[    0.475926] iommu: Default domain type: Translated 

 2264 13:52:27.554828  <6>[    0.475962] pci 0000:00:01.0: vgaarb: setting as boot VGA device

 2265 13:52:27.561858  <6>[    0.475962] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none

 2266 13:52:27.568428  <6>[    0.476627] pci 0000:00:01.0: vgaarb: bridge control possible

 2267 13:52:27.571556  <6>[    0.476833] vgaarb: loaded

 2268 13:52:27.574455  <5>[    0.477737] SCSI subsystem initialized

 2269 13:52:27.580936  <6>[    0.477898] ACPI: bus type USB registered

 2270 13:52:27.584354  <6>[    0.478034] usbcore: registered new interface driver usbfs

 2271 13:52:27.591284  <6>[    0.478650] usbcore: registered new interface driver hub

 2272 13:52:27.597760  <6>[    0.478863] usbcore: registered new device driver usb

 2273 13:52:27.601196  <6>[    0.493688] mc: Linux media interface: v0.10

 2274 13:52:27.607724  <6>[    0.493874] videodev: Linux video capture interface: v2.00

 2275 13:52:27.611306  <6>[    0.494643] pps_core: LinuxPPS API ver. 1 registered

 2276 13:52:27.621055  <6>[    0.494823] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

 2277 13:52:27.624319  <6>[    0.495146] PTP clock support registered

 2278 13:52:27.630598  <6>[    0.495741] Advanced Linux Sound Architecture Driver Initialized.

 2279 13:52:27.634557  <6>[    0.496649] NetLabel: Initializing

 2280 13:52:27.640698  <6>[    0.496779] NetLabel:  domain hash size = 128

 2281 13:52:27.647400  <6>[    0.496939] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO

 2282 13:52:27.650739  <6>[    0.497190] NetLabel:  unlabeled traffic allowed by default

 2283 13:52:27.657292  <6>[    0.497709] PCI: Using ACPI for IRQ routing

 2284 13:52:27.660614  <6>[    0.499165] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0

 2285 13:52:27.667377  <6>[    0.499350] hpet0: 3 comparators, 32-bit 14.318180 MHz counter

 2286 13:52:27.673754  <6>[    0.502649] clocksource: Switched to clocksource tsc-early

 2287 13:52:27.677323  <5>[    0.856506] VFS: Disk quotas dquot_6.6.0

 2288 13:52:27.683838  <6>[    0.856698] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

 2289 13:52:27.687227  <6>[    0.857212] pnp: PnP ACPI init

 2290 13:52:27.693656  <6>[    0.857763] system 00:00: [mem 0xfec1000a-0xfec11009] has been reserved

 2291 13:52:27.700455  <6>[    0.858391] system 00:03: [io  0x0900-0x09fe] has been reserved

 2292 13:52:27.706986  <6>[    0.858753] system 00:04: [io  0x0200] has been reserved

 2293 13:52:27.710388  <6>[    0.858947] system 00:04: [io  0x0204] has been reserved

 2294 13:52:27.717084  <6>[    0.859139] system 00:04: [io  0x0800-0x087f] has been reserved

 2295 13:52:27.723693  <6>[    0.859351] system 00:04: [io  0x0880-0x08ff] has been reserved

 2296 13:52:27.730203  <6>[    0.861137] pnp: PnP ACPI: found 6 devices

 2297 13:52:27.736739  <6>[    0.871466] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns

 2298 13:52:27.743143  <6>[    0.871871] NET: Registered protocol family 2

 2299 13:52:27.749807  <6>[    0.872224] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)

 2300 13:52:27.759525  <6>[    0.873486] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear)

 2301 13:52:27.766426  <6>[    0.873909] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)

 2302 13:52:27.772927  <6>[    0.874427] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear)

 2303 13:52:27.783214  <6>[    0.875732] TCP: Hash tables configured (established 32768 bind 32768)

 2304 13:52:27.789870  <6>[    0.876366] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear)

 2305 13:52:27.796236  <6>[    0.876804] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2306 13:52:27.802990  <6>[    0.877181] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2307 13:52:27.809391  <6>[    0.877704] NET: Registered protocol family 1

 2308 13:52:27.815868  <6>[    0.878426] RPC: Registered named UNIX socket transport module.

 2309 13:52:27.819332  <6>[    0.878669] RPC: Registered udp transport module.

 2310 13:52:27.826680  <6>[    0.878840] RPC: Registered tcp transport module.

 2311 13:52:27.829960  <6>[    0.879012] RPC: Registered tcp NFSv4.1 backchannel transport module.

 2312 13:52:27.838075  <6>[    0.879599] NET: Registered protocol family 44

 2313 13:52:27.841275  <6>[    0.879787] pci 0000:00:02.2: PCI bridge to [bus 01]

 2314 13:52:27.849712  <6>[    0.879975] pci 0000:00:02.2:   bridge window [mem 0xf4800000-0xf49fffff]

 2315 13:52:27.853995  <6>[    0.880221] pci 0000:00:02.4: PCI bridge to [bus 02]

 2316 13:52:27.861701  <6>[    0.880404] pci 0000:00:02.4:   bridge window [mem 0xf4a00000-0xf4afffff]

 2317 13:52:27.865528  <6>[    0.880657] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]

 2318 13:52:27.873043  <6>[    0.880877] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]

 2319 13:52:27.881198  <6>[    0.881097] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]

 2320 13:52:27.885096  <6>[    0.881319] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000dffff]

 2321 13:52:27.893160  <6>[    0.881546] pci_bus 0000:00: resource 8 [mem 0xd0000000-0xffffffff]

 2322 13:52:27.900324  <6>[    0.881769] pci_bus 0000:01: resource 1 [mem 0xf4800000-0xf49fffff]

 2323 13:52:27.906731  <6>[    0.881992] pci_bus 0000:02: resource 1 [mem 0xf4a00000-0xf4afffff]

 2324 13:52:27.910047  <6>[    0.882337] pci 0000:00:01.0: disabling ATS

 2325 13:52:27.919983  <6>[    0.882505] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]

 2326 13:52:27.926796  <6>[    0.882960] pci 0000:00:01.1: D0 power state depends on 0000:00:01.0

 2327 13:52:27.932976  <6>[    0.883946] pci 0000:00:10.0: PME# does not work under D0, disabling it

 2328 13:52:27.936685  <6>[    0.884718] PCI: CLS 64 bytes, default 64

 2329 13:52:27.939904  <6>[    0.885139] Unpacking initramfs...

 2330 13:52:27.943290  <6>[    1.136446] Freeing initrd memory: 10248K

 2331 13:52:27.953608  <6>[    1.136621] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)

 2332 13:52:27.959921  <6>[    1.136851] software IO TLB: mapped [mem 0x00000000c9d0d000-0x00000000cdd0d000] (64MB)

 2333 13:52:27.963534  <6>[    1.137192] LVT offset 0 assigned for vector 0x400

 2334 13:52:27.969456  <6>[    1.137438] perf: AMD IBS detected (0x000007ff)

 2335 13:52:27.973263  <3>[    1.137686] kvm: no hardware support

 2336 13:52:27.976898  <6>[    1.137919] kvm: Nested Virtualization enabled

 2337 13:52:27.983265  <6>[    1.138085] SVM: kvm: Nested Paging enabled

 2338 13:52:27.986555  <6>[    1.138239] SVM: Virtual VMLOAD VMSAVE supported

 2339 13:52:27.989848  <6>[    1.138407] SVM: Virtual GIF supported

 2340 13:52:27.999855  <6>[    1.139889] check: Scanning for low memory corruption every 60 seconds

 2341 13:52:28.003088  <5>[    1.141359] Initialise system trusted keyrings

 2342 13:52:28.009673  <6>[    1.141726] workingset: timestamp_bits=56 max_order=20 bucket_order=0

 2343 13:52:28.016562  <5>[    1.152260] NFS: Registering the id_resolver key type

 2344 13:52:28.019839  <5>[    1.152478] Key type id_resolver registered

 2345 13:52:28.023120  <5>[    1.152663] Key type id_legacy registered

 2346 13:52:28.029778  <5>[    1.167971] Key type asymmetric registered

 2347 13:52:28.033099  <5>[    1.168150] Asymmetric key parser 'x509' registered

 2348 13:52:28.039351  <6>[    1.168370] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)

 2349 13:52:28.046214  <6>[    1.168649] io scheduler mq-deadline registered

 2350 13:52:28.049497  <6>[    1.168816] io scheduler kyber registered

 2351 13:52:28.052708  <4>[    1.169122] test_firmware: interface ready

 2352 13:52:28.059366  <6>[    1.170943] pcieport 0000:00:02.2: PME: Signaling with IRQ 25

 2353 13:52:28.066266  <6>[    1.171601] pcieport 0000:00:02.4: PME: Signaling with IRQ 26

 2354 13:52:28.069508  <6>[    1.172491] ACPI: AC Adapter [AC] (on-line)

 2355 13:52:28.082431  <6>[    1.172874] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:17/PNP0C09:00/PNP0C0D:00/input/input0

 2356 13:52:28.085700  <6>[    1.173771] ACPI: Lid Switch [LID0]

 2357 13:52:28.092195  <6>[    1.174041] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1

 2358 13:52:28.095473  <6>[    1.174435] ACPI: Power Button [PWRF]

 2359 13:52:28.105900  <6>[    1.174840] ACPI: Video Device [IGFX] (multi-head: no  rom: yes  post: no)

 2360 13:52:28.112434  <6>[    1.175535] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input2

 2361 13:52:28.118903  <6>[    1.176019] ACPI: \_PR_.P000: Found 2 idle states

 2362 13:52:28.122108  <6>[    1.176633] ACPI: \_PR_.P001: Found 2 idle states

 2363 13:52:28.128875  <6>[    1.178687] thermal LNXTHERM:00: registered as thermal_zone0

 2364 13:52:28.135258  <6>[    1.178894] ACPI: Thermal Zone [THRM] (27 C)

 2365 13:52:28.141845  <6>[    1.179469] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled

 2366 13:52:28.145295  <6>[    1.181668] battery: ACPI: Battery Slot [BAT0] (battery present)

 2367 13:52:28.151814  <6>[    1.182539] printk: console [ttyS0] disabled

 2368 13:52:28.158236  <6>[    1.182843] AMD0020:00: ttyS0 at MMIO 0xfedc6000 (irq = 10, base_baud = 3000000) is a 16550A

 2369 13:52:28.165123  <6>[    2.191987] tsc: Refined TSC clocksource calibration: 1597.002 MHz

 2370 13:52:28.178248  <6>[    2.192005] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x170514dcf86, max_idle_ns: 440795282824 ns

 2371 13:52:28.181390  <6>[    2.192077] clocksource: Switched to clocksource tsc

 2372 13:52:28.184725  <6>[    3.985770] printk: console [ttyS0] enabled

 2373 13:52:28.195901  <6>[    3.991001] AMD0020:01: ttyS1 at MMIO 0xfedc8000 (irq = 11, base_baud = 3000000) is a 16550A

 2374 13:52:28.202418  <6>[    4.000283] Non-volatile memory driver v1.3

 2375 13:52:28.205411  <6>[    4.004822] Linux agpgart interface v0.103

 2376 13:52:28.212002  <6>[    4.009438] ACPI: bus type drm_connector registered

 2377 13:52:28.215348  <6>[    4.014680] [drm] amdgpu kernel modesetting enabled.

 2378 13:52:28.222027  <6>[    4.019960] amdgpu 0000:00:01.0: vgaarb: deactivate vga console

 2379 13:52:28.231830  <6>[    4.026666] [drm] initializing kernel modesetting (STONEY 0x1002:0x98E4 0x1002:0x1EB0 0xEB).

 2380 13:52:28.238396  <4>[    4.035371] amdgpu 0000:00:01.0: amdgpu: Trusted Memory Zone (TMZ) feature not supported

 2381 13:52:28.244940  <6>[    4.043796] [drm] register mmio base: 0xF4D00000

 2382 13:52:28.248303  <6>[    4.048676] [drm] register mmio size: 262144

 2383 13:52:28.254909  <6>[    4.053213] [drm] add ip block number 0 <vi_common>

 2384 13:52:28.258114  <6>[    4.058356] [drm] add ip block number 1 <gmc_v8_0>

 2385 13:52:28.265103  <6>[    4.063406] [drm] add ip block number 2 <cz_ih>

 2386 13:52:28.267840  <6>[    4.068196] [drm] add ip block number 3 <gfx_v8_0>

 2387 13:52:28.274462  <6>[    4.073248] [drm] add ip block number 4 <sdma_v3_0>

 2388 13:52:28.277732  <6>[    4.078385] [drm] add ip block number 5 <powerplay>

 2389 13:52:28.284358  <6>[    4.083523] [drm] add ip block number 6 <dm>

 2390 13:52:28.287490  <6>[    4.088052] [drm] add ip block number 7 <uvd_v6_0>

 2391 13:52:28.294635  <6>[    4.093103] [drm] add ip block number 8 <vce_v3_0>

 2392 13:52:28.297475  <6>[    4.098151] [drm] add ip block number 9 <acp_ip>

 2393 13:52:28.304462  <6>[    4.103082] amdgpu 0000:00:01.0: amdgpu: Fetched VBIOS from VFCT

 2394 13:52:28.310920  <6>[    4.109351] amdgpu: ATOM BIOS: 113-C91400-010

 2395 13:52:28.314372  <6>[    4.113992] [drm] UVD is enabled in physical mode

 2396 13:52:28.317534  <6>[    4.118957] [drm] VCE enabled in VM mode

 2397 13:52:28.327505  <6>[    4.123277] [drm] vm size is 64 GB, 2 levels, block size is 10-bit, fragment size is 9-bit

 2398 13:52:28.337415  <6>[    4.131801] amdgpu 0000:00:01.0: amdgpu: VRAM: 16M 0x000000F400000000 - 0x000000F400FFFFFF (16M used)

 2399 13:52:28.347667  <6>[    4.141274] amdgpu 0000:00:01.0: amdgpu: GART: 1024M 0x000000FF00000000 - 0x000000FF3FFFFFFF

 2400 13:52:28.350954  <6>[    4.149969] [drm] Detected VRAM RAM=16M, BAR=16M

 2401 13:52:28.354079  <6>[    4.154847] [drm] RAM width 64bits UNKNOWN

 2402 13:52:28.360732  <6>[    4.159514] [TTM] Zone  kernel: Available graphics memory: 1970010 KiB

 2403 13:52:28.367494  <6>[    4.166327] [TTM] Initializing pool allocator

 2404 13:52:28.370428  <6>[    4.170968] [TTM] Initializing DMA pool allocator

 2405 13:52:28.377397  <6>[    4.176156] [drm] amdgpu: 16M of VRAM memory ready

 2406 13:52:28.384558  <6>[    4.181217] [drm] amdgpu: 2885M of GTT memory ready.

 2407 13:52:28.387508  <6>[    4.186446] [drm] GART: num cpu pages 262144, num gpu pages 262144

 2408 13:52:28.397270  <6>[    4.192972] [drm] PCIE GART of 1024M enabled (table at 0x000000F400401000).

 2409 13:52:28.403955  <6>[    4.202602] amdgpu: hwmgr_sw_init smu backed is smu8_smu

 2410 13:52:28.410992  <6>[    4.208217] [drm] Found UVD firmware Version: 1.43 Family ID: 15

 2411 13:52:28.414096  <6>[    4.214493] [drm] UVD ENC is disabled

 2412 13:52:28.420717  <6>[    4.218769] [drm] Found VCE firmware Version: 52.0 Binary ID: 3

 2413 13:52:28.428134  <6>[    4.226677] amdgpu: smu version 33.09.00

 2414 13:52:28.440441  <6>[    4.238960] [drm] DM_PPLIB: values for Engine clock

 2415 13:52:28.443911  <6>[    4.244105] [drm] DM_PPLIB:	 200000

 2416 13:52:28.446998  <6>[    4.247864] [drm] DM_PPLIB:	 300000

 2417 13:52:28.449937  <6>[    4.251618] [drm] DM_PPLIB:	 400000

 2418 13:52:28.456611  <6>[    4.255370] [drm] DM_PPLIB:	 450000

 2419 13:52:28.460175  <6>[    4.259121] [drm] DM_PPLIB:	 496560

 2420 13:52:28.463229  <6>[    4.262873] [drm] DM_PPLIB:	 533340

 2421 13:52:28.466470  <6>[    4.266632] [drm] DM_PPLIB:	 576000

 2422 13:52:28.469740  <6>[    4.270383] [drm] DM_PPLIB:	 600000

 2423 13:52:28.476629  <6>[    4.274147] [drm] DM_PPLIB: Validation clocks:

 2424 13:52:28.479776  <6>[    4.278855] [drm] DM_PPLIB:    engine_max_clock: 60000

 2425 13:52:28.486467  <6>[    4.284251] [drm] DM_PPLIB:    memory_max_clock: 93300

 2426 13:52:28.490134  <6>[    4.289645] [drm] DM_PPLIB:    level           : 8

 2427 13:52:28.496699  <6>[    4.294695] [drm] DM_PPLIB: values for Display clock

 2428 13:52:28.500005  <6>[    4.299918] [drm] DM_PPLIB:	 300000

 2429 13:52:28.503366  <6>[    4.303667] [drm] DM_PPLIB:	 400000

 2430 13:52:28.506734  <6>[    4.307423] [drm] DM_PPLIB:	 496560

 2431 13:52:28.509745  <6>[    4.311171] [drm] DM_PPLIB:	 626090

 2432 13:52:28.516262  <6>[    4.314920] [drm] DM_PPLIB:	 685720

 2433 13:52:28.519688  <6>[    4.318669] [drm] DM_PPLIB:	 757900

 2434 13:52:28.522992  <6>[    4.322417] [drm] DM_PPLIB:	 800000

 2435 13:52:28.526256  <6>[    4.326165] [drm] DM_PPLIB:	 847060

 2436 13:52:28.529861  <6>[    4.329914] [drm] DM_PPLIB: Validation clocks:

 2437 13:52:28.536804  <6>[    4.334616] [drm] DM_PPLIB:    engine_max_clock: 60000

 2438 13:52:28.543300  <6>[    4.340010] [drm] DM_PPLIB:    memory_max_clock: 93300

 2439 13:52:28.546343  <6>[    4.345404] [drm] DM_PPLIB:    level           : 8

 2440 13:52:28.552699  <6>[    4.350453] [drm] DM_PPLIB: values for Memory clock

 2441 13:52:28.555960  <6>[    4.355588] [drm] DM_PPLIB:	 667000

 2442 13:52:28.559249  <6>[    4.359337] [drm] DM_PPLIB:	 933000

 2443 13:52:28.563030  <6>[    4.363086] [drm] DM_PPLIB: Validation clocks:

 2444 13:52:28.569439  <6>[    4.367788] [drm] DM_PPLIB:    engine_max_clock: 60000

 2445 13:52:28.575950  <6>[    4.373184] [drm] DM_PPLIB:    memory_max_clock: 93300

 2446 13:52:28.579436  <6>[    4.378579] [drm] DM_PPLIB:    level           : 8

 2447 13:52:28.585764  <6>[    4.383747] [drm] Display Core initialized with v3.2.104!

 2448 13:52:28.694420  <6>[    4.493396] [drm] UVD initialized successfully.

 2449 13:52:28.800570  <6>[    4.599286] [drm] VCE initialized successfully.

 2450 13:52:28.810727  <6>[    4.604579] amdgpu 0000:00:01.0: amdgpu: SE 1, SH per SE 1, CU per SH 3, active_cu_number 3

 2451 13:52:28.813923  <6>[    4.614488] [drm] fb mappable at 0xCF86F000

 2452 13:52:28.820566  <6>[    4.618965] [drm] vram apper at 0xCF000000

 2453 13:52:28.823818  <6>[    4.623324] [drm] size 1179648

 2454 13:52:28.827376  <6>[    4.626642] [drm] fb depth is 8

 2455 13:52:28.830310  <6>[    4.630045] [drm]    pitch is 1536

 2456 13:52:28.838663  <6>[    4.634132] fbcon: amdgpudrmfb (fb0) is primary device

 2457 13:52:28.845339  <6>[    4.636055] Console: switching to colour frame buffer device 170x48

 2458 13:52:28.852021  <6>[    4.649714] amdgpu 0000:00:01.0: [drm] fb0: amdgpudrmfb frame buffer device

 2459 13:52:28.865054  <6>[    4.660672] [drm] Initialized amdgpu 3.40.0 20150101 for 0000:00:01.0 on minor 0

 2460 13:52:28.871979  <6>[    4.669666] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1

 2461 13:52:28.883972  <6>[    4.682973] loop: module loaded

 2462 13:52:28.890450  <6>[    4.686805] lkdtm: No crash points registered, enable through debugfs

 2463 13:52:28.897391  <6>[    4.694892] e100: Intel(R) PRO/100 Network Driver

 2464 13:52:28.900517  <6>[    4.699864] e100: Copyright(c) 1999-2006 Intel Corporation

 2465 13:52:28.907617  <6>[    4.705643] e1000: Intel(R) PRO/1000 Network Driver

 2466 13:52:28.914298  <6>[    4.710781] e1000: Copyright (c) 1999-2006 Intel Corporation.

 2467 13:52:28.917451  <6>[    4.716849] e1000e: Intel(R) PRO/1000 Network Driver

 2468 13:52:28.923633  <6>[    4.722083] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

 2469 13:52:28.930449  <6>[    4.728312] igb: Intel(R) Gigabit Ethernet Network Driver

 2470 13:52:28.936880  <6>[    4.733968] igb: Copyright (c) 2007-2014 Intel Corporation.

 2471 13:52:28.940746  <6>[    4.739833] sky2: driver version 1.30

 2472 13:52:28.947019  <6>[    4.743937] usbcore: registered new interface driver r8152

 2473 13:52:28.953804  <6>[    4.749950] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

 2474 13:52:28.957011  <6>[    4.756765] ehci-pci: EHCI PCI platform driver

 2475 13:52:28.963597  <6>[    4.761854] ehci-pci 0000:00:12.0: EHCI Host Controller

 2476 13:52:28.970370  <6>[    4.767893] ehci-pci 0000:00:12.0: new USB bus registered, assigned bus number 1

 2477 13:52:28.977107  <6>[    4.775604] ehci-pci 0000:00:12.0: debug port 2

 2478 13:52:28.983424  <6>[    4.780563] ehci-pci 0000:00:12.0: irq 18, io mem 0xf4d89000

 2479 13:52:28.995157  <6>[    4.793677] ehci-pci 0000:00:12.0: USB 2.0 started, EHCI 1.00

 2480 13:52:29.004653  <6>[    4.800155] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10

 2481 13:52:29.011639  <6>[    4.808709] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2482 13:52:29.018161  <6>[    4.816190] usb usb1: Product: EHCI Host Controller

 2483 13:52:29.024446  <6>[    4.821329] usb usb1: Manufacturer: Linux 5.10.201-cip41 ehci_hcd

 2484 13:52:29.027659  <6>[    4.827680] usb usb1: SerialNumber: 0000:00:12.0

 2485 13:52:29.034467  <6>[    4.833481] hub 1-0:1.0: USB hub found

 2486 13:52:29.037915  <6>[    4.837578] hub 1-0:1.0: 2 ports detected

 2487 13:52:29.044281  <6>[    4.842885] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

 2488 13:52:29.050875  <6>[    4.849354] ohci-pci: OHCI PCI platform driver

 2489 13:52:29.057278  <6>[    4.854103] uhci_hcd: USB Universal Host Controller Interface driver

 2490 13:52:29.060581  <6>[    4.861042] xhci_hcd 0000:00:10.0: xHCI Host Controller

 2491 13:52:29.071199  <6>[    4.867231] xhci_hcd 0000:00:10.0: new USB bus registered, assigned bus number 2

 2492 13:52:29.081001  <6>[    4.875128] xhci_hcd 0000:00:10.0: hcc params 0x014040c3 hci version 0x100 quirks 0x0000000000000410

 2493 13:52:29.087932  <6>[    4.885390] xhci_hcd 0000:00:10.0: xHCI Host Controller

 2494 13:52:29.094567  <6>[    4.891146] xhci_hcd 0000:00:10.0: new USB bus registered, assigned bus number 3

 2495 13:52:29.101393  <6>[    4.898809] xhci_hcd 0000:00:10.0: Host supports USB 3.0 SuperSpeed

 2496 13:52:29.111113  <6>[    4.905586] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10

 2497 13:52:29.117741  <6>[    4.914128] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2498 13:52:29.120919  <6>[    4.921608] usb usb2: Product: xHCI Host Controller

 2499 13:52:29.127518  <6>[    4.926750] usb usb2: Manufacturer: Linux 5.10.201-cip41 xhci-hcd

 2500 13:52:29.134159  <6>[    4.933101] usb usb2: SerialNumber: 0000:00:10.0

 2501 13:52:29.137451  <6>[    4.938582] hub 2-0:1.0: USB hub found

 2502 13:52:29.144563  <6>[    4.942680] hub 2-0:1.0: 4 ports detected

 2503 13:52:29.150913  <6>[    4.947606] usb usb3: We don't know the algorithms for LPM for this host, disabling LPM.

 2504 13:52:29.160945  <6>[    4.956026] usb usb3: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10

 2505 13:52:29.167464  <6>[    4.964545] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2506 13:52:29.174026  <6>[    4.972115] usb usb3: Product: xHCI Host Controller

 2507 13:52:29.180953  <6>[    4.977253] usb usb3: Manufacturer: Linux 5.10.201-cip41 xhci-hcd

 2508 13:52:29.184283  <6>[    4.983606] usb usb3: SerialNumber: 0000:00:10.0

 2509 13:52:29.190694  <6>[    4.989214] hub 3-0:1.0: USB hub found

 2510 13:52:29.194357  <6>[    4.993298] hub 3-0:1.0: 4 ports detected

 2511 13:52:29.200956  <6>[    4.998193] usbcore: registered new interface driver usblp

 2512 13:52:29.207612  <6>[    5.003991] usbcore: registered new interface driver usb-storage

 2513 13:52:29.217184  <6>[    5.010556] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers

 2514 13:52:29.223749  <6>[    5.019788] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1

 2515 13:52:29.234335  <4>[    5.026836] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp

 2516 13:52:29.237645  <4>[    5.038545] i8042: Warning: Keylock active

 2517 13:52:29.245433  <6>[    5.043074] serio: i8042 KBD port at 0x60,0x64 irq 1

 2518 13:52:29.253036  <6>[    5.049666] rtc_cmos 00:01: RTC can wake from S4

 2519 13:52:29.256148  <6>[    5.055549] rtc_cmos 00:01: registered as rtc0

 2520 13:52:29.265862  <6>[    5.060480] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input3

 2521 13:52:29.272512  <6>[    5.069573] rtc_cmos 00:01: alarms up to one day, 114 bytes nvram, hpet irqs

 2522 13:52:29.282760  <6>[    5.077348] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com

 2523 13:52:29.289380  <6>[    5.086113] sdhci: Secure Digital Host Controller Interface driver

 2524 13:52:29.292877  <6>[    5.092549] sdhci: Copyright(c) Pierre Ossman

 2525 13:52:29.302599  <6>[    5.097373] sdhci-pci 0000:00:14.7: SDHCI controller found [1022:7906] (rev 1)

 2526 13:52:29.309374  <6>[    5.106657] usb 1-1: new high-speed USB device number 2 using ehci-pci

 2527 13:52:29.402407  <6>[    5.198325] mmc0: SDHCI controller on PCI [0000:00:14.7] using ADMA 64-bit

 2528 13:52:29.409021  <6>[    5.205688] sdhci-pci 0000:02:00.0: SDHCI controller found [1217:8620] (rev 1)

 2529 13:52:29.415429  <6>[    5.213727] mmc1: emmc 1.8v flag is set, force 1.8v signaling voltage

 2530 13:52:29.426146  <6>[    5.221922] usb 2-4: new high-speed USB device number 2 using xhci_hcd

 2531 13:52:29.432494  <6>[    5.227170] mmc1: SDHCI controller on PCI [0000:02:00.0] using ADMA

 2532 13:52:29.435712  <6>[    5.235556] hid: raw HID events driver (C) Jiri Kosina

 2533 13:52:29.442369  <6>[    5.241522] usbcore: registered new interface driver usbhid

 2534 13:52:29.445557  <6>[    5.247358] usbhid: USB HID core driver

 2535 13:52:29.456765  <6>[    5.255712] cros_ec_lpcs GOOG0004:00: Chrome EC device registered

 2536 13:52:29.466604  <6>[    5.262583] usb 1-1: New USB device found, idVendor=0438, idProduct=7900, bcdDevice= 0.18

 2537 13:52:29.473733  <6>[    5.265026] snd_hda_intel 0000:00:01.1: Force to non-snoop mode

 2538 13:52:29.480041  <6>[    5.271066] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0

 2539 13:52:29.483483  <6>[    5.277509] hub 1-1:1.0: USB hub found

 2540 13:52:29.490153  <6>[    5.285370] ipip: IPv4 and MPLS over IPv4 tunneling driver

 2541 13:52:29.496680  <6>[    5.294991] hub 1-1:1.0: 4 ports detected

 2542 13:52:29.500068  <6>[    5.296226] IPv4 over IPsec tunneling driver

 2543 13:52:29.506502  <3>[    5.305156] snd_hda_intel 0000:00:01.1: Cannot probe codecs, giving up

 2544 13:52:29.513588  <6>[    5.305305] Initializing XFRM netlink socket

 2545 13:52:29.516354  <6>[    5.317084] NET: Registered protocol family 10

 2546 13:52:29.523864  <6>[    5.323097] Segment Routing with IPv6

 2547 13:52:29.526805  <6>[    5.327915] NET: Registered protocol family 17

 2548 13:52:29.533821  <6>[    5.332866] 8021q: 802.1Q VLAN Support v1.8

 2549 13:52:29.536959  <5>[    5.337372] Key type dns_resolver registered

 2550 13:52:29.546842  <6>[    5.341907] x86/pm: family 0x15 cpu detected, MSR saving is needed during suspending.

 2551 13:52:29.553363  <6>[    5.351051] microcode: CPU0: patch_level=0x06006705

 2552 13:52:29.556683  <6>[    5.356256] microcode: CPU1: patch_level=0x06006705

 2553 13:52:29.563328  <6>[    5.361528] microcode: Microcode Update Driver: v2.2.

 2554 13:52:29.566613  <6>[    5.361540] IPI shorthand broadcast: enabled

 2555 13:52:29.576581  <6>[    5.368492] usb 2-4: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00

 2556 13:52:29.583275  <6>[    5.371568] sched_clock: Marking stable (5342076264, 29411998)->(5398865691, -27377429)

 2557 13:52:29.590089  <6>[    5.379872] usb 2-4: New USB device strings: Mfr=1, Product=2, SerialNumber=6

 2558 13:52:29.596766  <6>[    5.395481] usb 2-4: Product: USB 10/100/1000 LAN

 2559 13:52:29.599992  <6>[    5.395714] registered taskstats version 1

 2560 13:52:29.606258  <6>[    5.400449] usb 2-4: Manufacturer: Realtek

 2561 13:52:29.609802  <6>[    5.400451] usb 2-4: SerialNumber: 001000001

 2562 13:52:29.613025  <5>[    5.404914] Loading compiled-in X.509 certificates

 2563 13:52:29.621079  <6>[    5.420556] PM:   Magic number: 3:806:887

 2564 13:52:29.624425  <6>[    5.424912] graphics fb0: hash matches

 2565 13:52:29.631545  <6>[    5.429398] printk: console [netcon0] enabled

 2566 13:52:29.634487  <6>[    5.434040] netconsole: network logging started

 2567 13:52:29.641414  <6>[    5.439392] acpi_cpufreq: overriding BIOS provided _PSD data

 2568 13:52:29.732938  <6>[    5.529111] usb 2-4: reset high-speed USB device number 2 using xhci_hcd

 2569 13:52:29.832779  <6>[    5.628647] usb 1-1.1: new high-speed USB device number 3 using ehci-pci

 2570 13:52:29.949650  <6>[    5.745887] usb 1-1.1: New USB device found, idVendor=05c8, idProduct=03d1, bcdDevice= 1.03

 2571 13:52:29.956590  <6>[    5.754524] usb 1-1.1: New USB device strings: Mfr=3, Product=1, SerialNumber=2

 2572 13:52:29.963456  <6>[    5.762102] usb 1-1.1: Product: HP TrueVision HD Camera

 2573 13:52:29.966720  <6>[    5.767600] usb 1-1.1: Manufacturer: Foxlink

 2574 13:52:29.972992  <6>[    5.772134] usb 1-1.1: SerialNumber: 0x0001

 2575 13:52:29.988486  <6>[    5.787495] r8152 2-4:1.0: load rtl8153b-2 v2 04/27/23 successfully

 2576 13:52:30.051695  <6>[    5.851126] r8152 2-4:1.0 eth0: v1.11.11

 2577 13:52:30.062060  <6>[    5.858436] usb 1-1.2: new full-speed USB device number 4 using ehci-pci

 2578 13:52:30.163866  <6>[    5.959246] usb 1-1.2: New USB device found, idVendor=0cf3, idProduct=e300, bcdDevice= 0.01

 2579 13:52:30.170481  <6>[    5.967865] usb 1-1.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0

 2580 13:52:31.012509  <6>[    6.811365] mmc1: new HS200 MMC card at address 0001

 2581 13:52:31.018672  <6>[    6.817641] mmcblk1: mmc1:0001 hA8aP> 14.7 GiB 

 2582 13:52:31.025445  <6>[    6.822638] mmcblk1boot0: mmc1:0001 hA8aP> partition 1 4.00 MiB

 2583 13:52:31.032057  <6>[    6.828989] mmcblk1boot1: mmc1:0001 hA8aP> partition 2 4.00 MiB

 2584 13:52:31.038623  <6>[    6.835573] mmcblk1rpmb: mmc1:0001 hA8aP> partition 3 16.0 MiB, chardev (245:0)

 2585 13:52:31.051375  <6>[    6.850897]  mmcblk1: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12

 2586 13:52:31.665132  <6>[    7.464569] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

 2587 13:52:31.673813  <6>[    7.473229] r8152 2-4:1.0 eth0: carrier on

 2588 13:52:33.849843  <5>[    7.476451] Sending DHCP requests .., OK

 2589 13:52:33.856403  <6>[    9.652903] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.12

 2590 13:52:33.859563  <6>[    9.661194] IP-Config: Complete:

 2591 13:52:33.873222  <6>[    9.664687]      device=eth0, hwaddr=00:e0:4c:75:03:5c, ipaddr=192.168.201.12, mask=255.255.255.0, gw=192.168.201.1

 2592 13:52:33.879562  <6>[    9.675370]      host=hp-11a-g6-ee-grunt-cbg-0, domain=lava-rack, nis-domain=(none)

 2593 13:52:33.886040  <6>[    9.683283]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

 2594 13:52:33.889343  <6>[    9.683285]      nameserver0=192.168.201.1

 2595 13:52:33.899561  <5>[    9.695317] cfg80211: Loading compiled-in X.509 certificates for regulatory database

 2596 13:52:33.912125  <6>[    9.707834] modprobe (97) used greatest stack depth: 14096 bytes left

 2597 13:52:33.918705  <5>[    9.715406] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'

 2598 13:52:33.928525  <4>[    9.722576] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2

 2599 13:52:33.931806  <6>[    9.724474] ALSA device list:

 2600 13:52:33.935287  <6>[    9.731533] cfg80211: failed to load regulatory.db

 2601 13:52:33.938451  <6>[    9.734737]   No soundcards found.

 2602 13:52:33.945226  <4>[    9.743938] dw-apb-uart AMD0020:00: forbid DMA for kernel console

 2603 13:52:33.956198  <6>[    9.754774] Freeing unused kernel image (initmem) memory: 2168K

 2604 13:52:33.967846  <6>[    9.766796] Write protecting the kernel read-only data: 36864k

 2605 13:52:33.978948  <6>[    9.774302] Freeing unused kernel image (text/rodata gap) memory: 2028K

 2606 13:52:33.985603  <6>[    9.781864] Freeing unused kernel image (rodata/data gap) memory: 1316K

 2607 13:52:33.988763  <6>[    9.788797] Run /init as init process

 2608 13:52:33.997063  Loading, please wait...

 2609 13:52:34.012542  Starting version 247.3-7+deb11u2

 2610 13:52:34.022420  <6>[    9.815770] systemd-udevd (119) used greatest stack depth: 13816 bytes left

 2611 13:52:34.093464  <6>[    9.889410] udevadm (121) used greatest stack depth: 13632 bytes left

 2612 13:52:34.284759  <6>[   10.083335] chromeos ramoops using acpi device.

 2613 13:52:34.301597  <4>[   10.097379] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk

 2614 13:52:34.316591  <4>[   10.112158] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer.

 2615 13:52:34.332175  <6>[   10.127765] cz-da7219-max98357a AMD7219:00: ASoC: CPU DAI designware-i2s.1.auto not registered

 2616 13:52:34.338955  <3>[   10.137100] designware-i2s designware-i2s.1.auto: IRQ index 0 not found

 2617 13:52:34.348780  <3>[   10.144413] cz-da7219-max98357a AMD7219:00: devm_snd_soc_register_card(acpd7219m98357) failed: -517

 2618 13:52:34.371672  <6>[   10.166990] cz-da7219-max98357a AMD7219:00: ASoC: CPU DAI designware-i2s.2.auto not registered

 2619 13:52:34.377875  <3>[   10.176257] designware-i2s designware-i2s.2.auto: IRQ index 0 not found

 2620 13:52:34.388157  <3>[   10.183622] cz-da7219-max98357a AMD7219:00: devm_snd_soc_register_card(acpd7219m98357) failed: -517

 2621 13:52:34.394920  <3>[   10.193262] designware-i2s designware-i2s.3.auto: IRQ index 0 not found

 2622 13:52:34.422299  <6>[   10.218297] uvcvideo: Found UVC 1.00 device HP TrueVision HD Camera (05c8:03d1)

 2623 13:52:34.464868  <6>[   10.264234]  amd-da7219-play: codec dai name = da7219-hifi

 2624 13:52:34.479503  <6>[   10.272136] input: HP TrueVision HD Camera: HP Tru as /devices/pci0000:00/0000:00:12.0/usb1/1-1/1-1.1/1-1.1:1.0/input/input4

 2625 13:52:34.511822  

 2626 13:52:34.511909  

 2627 13:52:34.514965  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 smm starting...

 2628 13:52:34.515067  

 2629 13:52:34.518810  SMI# #0

 2630 13:52:34.518914  GSMI Unknown: 0xff

 2631 13:52:34.519011  

 2632 13:52:34.519103  

 2633 13:52:34.525291  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 smm starting...

 2634 13:52:34.525396  

 2635 13:52:34.525496  SMI# #1

 2636 13:52:34.528663  GSMI Handshake

 2637 13:52:34.532009  <6>[   10.332294] Registered efivars operations

 2638 13:52:34.535318  <6>[   10.336591] gsmi version 1.0 loaded

 2639 13:52:34.546337  <6>[   10.345596] usbcore: registered new interface driver uvcvideo

 2640 13:52:34.552880  <6>[   10.351656] USB Video Class driver (1.1.1)

 2641 13:52:34.591816  <6>[   10.383633] input: acpd7219m98357 Headset Jack as /devices/platform/AMD7219:00/sound/card0/input5

 2642 13:52:34.626071  Begin: Loading essential drivers ... done.

 2643 13:52:34.629322  Begin: Running /scripts/init-premount ... done.

 2644 13:52:34.635874  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

 2645 13:52:34.646222  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

 2646 13:52:34.648702  Device /sys/class/net/eth0 found

 2647 13:52:34.649352  done.

 2648 13:52:34.660504  IP-Config: eth0 hardware address 00:e0:4c:75:03:5c mtu 1500 DHCP

 2649 13:52:34.679618  IP-Config: eth0 complete (dhcp from 192.168.201.1):

 2650 13:52:34.693108   address: 192.168.201.12   broadcast: 192.168.201.255  netmask: 255.255.255.0   <6>[   10.485005] ipconfig (163) used greatest stack depth: 13464 bytes left

 2651 13:52:34.693343  

 2652 13:52:34.699548   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         

 2653 13:52:34.705913   host   : hp-11a-g6-ee-grunt-cbg-0                                        

 2654 13:52:34.712376   domain : lava-rack                                                       

 2655 13:52:34.716049   rootserver: 192.168.201.1 rootpath: 

 2656 13:52:34.719099   filename  : 

 2657 13:52:34.773820  <6>[   10.570015] nfsmount (164) used greatest stack depth: 12536 bytes left

 2658 13:52:34.774007  done.

 2659 13:52:34.781570  Begin: Running /scripts/nfs-bottom ... done.

 2660 13:52:34.794965  Begin: Running /scripts/init-bottom ... done.

 2661 13:52:35.807354  SELinux:  Could not open policy file <= /etc/selinux/targeted/policy/policy.33:  No such file or directory

 2662 13:52:35.970248  <30>[   11.749755] 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)

 2663 13:52:35.986340  <30>[   11.785867] systemd[1]: Detected architecture x86-64.

 2664 13:52:36.002697  

 2665 13:52:36.005655  Welcome to Debian GNU/Linux 11 (bullseye)!

 2666 13:52:36.005749  

 2667 13:52:36.013377  <30>[   11.812943] systemd[1]: Set hostname to <debian-bullseye-amd64>.

 2668 13:52:36.736747  <30>[   12.532692] systemd[1]: Queued start job for default target Graphical Interface.

 2669 13:52:36.745364  <30>[   12.544289] systemd[1]: Created slice system-getty.slice.

 2670 13:52:36.751770  [  OK  ] Created slice system-getty.slice.

 2671 13:52:36.758272  <30>[   12.557402] systemd[1]: Created slice system-modprobe.slice.

 2672 13:52:36.764783  [  OK  ] Created slice system-modprobe.slice.

 2673 13:52:36.774428  <30>[   12.573382] systemd[1]: Created slice system-serial\x2dgetty.slice.

 2674 13:52:36.784753  [  OK  ] Created slice system-serial\x2dgetty.slice.

 2675 13:52:36.790675  <30>[   12.589320] systemd[1]: Created slice User and Session Slice.

 2676 13:52:36.797587  [  OK  ] Created slice User and Session Slice.

 2677 13:52:36.809390  <30>[   12.605256] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

 2678 13:52:36.819254  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

 2679 13:52:36.826190  <30>[   12.623078] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

 2680 13:52:36.836186  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

 2681 13:52:36.846122  <30>[   12.640969] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.

 2682 13:52:36.855967  [  OK  ] Set up automount Arbitrary…s File System Automount Point.

 2683 13:52:36.862838  <30>[   12.659908] systemd[1]: Reached target Local Encrypted Volumes.

 2684 13:52:36.869503  [  OK  ] Reached target Local Encrypted Volumes.

 2685 13:52:36.875809  <30>[   12.674875] systemd[1]: Reached target Paths.

 2686 13:52:36.879131  [  OK  ] Reached target Paths.

 2687 13:52:36.887359  <30>[   12.685828] systemd[1]: Reached target Remote File Systems.

 2688 13:52:36.893473  [  OK  ] Reached target Remote File Systems.

 2689 13:52:36.901611  <30>[   12.700833] systemd[1]: Reached target Slices.

 2690 13:52:36.905109  [  OK  ] Reached target Slices.

 2691 13:52:36.912764  <30>[   12.711841] systemd[1]: Reached target Swap.

 2692 13:52:36.916194  [  OK  ] Reached target Swap.

 2693 13:52:36.927771  <30>[   12.723307] systemd[1]: Listening on initctl Compatibility Named Pipe.

 2694 13:52:36.933861  [  OK  ] Listening on initctl Compatibility Named Pipe.

 2695 13:52:36.940873  <30>[   12.739984] systemd[1]: Listening on Journal Audit Socket.

 2696 13:52:36.947626  [  OK  ] Listening on Journal Audit Socket.

 2697 13:52:36.957482  <30>[   12.755943] systemd[1]: Listening on Journal Socket (/dev/log).

 2698 13:52:36.963735  [  OK  ] Listening on Journal Socket (/dev/log).

 2699 13:52:36.972736  <30>[   12.771392] systemd[1]: Listening on Journal Socket.

 2700 13:52:36.978982  [  OK  ] Listening on Journal Socket.

 2701 13:52:36.985684  <30>[   12.783919] systemd[1]: Listening on Network Service Netlink Socket.

 2702 13:52:36.992307  [  OK  ] Listening on Network Service Netlink Socket.

 2703 13:52:37.003212  <30>[   12.801881] systemd[1]: Listening on udev Control Socket.

 2704 13:52:37.009771  [  OK  ] Listening on udev Control Socket.

 2705 13:52:37.018398  <30>[   12.817281] systemd[1]: Listening on udev Kernel Socket.

 2706 13:52:37.024799  [  OK  ] Listening on udev Kernel Socket.

 2707 13:52:37.035402  <30>[   12.834173] systemd[1]: Mounting Huge Pages File System...

 2708 13:52:37.041367           Mounting Huge Pages File System...

 2709 13:52:37.049051  <30>[   12.848401] systemd[1]: Mounting POSIX Message Queue File System...

 2710 13:52:37.056170           Mounting POSIX Message Queue File System...

 2711 13:52:37.065092  <30>[   12.864246] systemd[1]: Mounting Kernel Debug File System...

 2712 13:52:37.071865           Mounting Kernel Debug File System...

 2713 13:52:37.081129  <30>[   12.880416] systemd[1]: Mounting Kernel Trace File System...

 2714 13:52:37.089201           Mounting Kernel Trace File System...

 2715 13:52:37.113134  <30>[   12.908853] systemd[1]: Starting Create list of static device nodes for the current kernel...

 2716 13:52:37.119748           Starting Create list of st…odes for the current kernel...

 2717 13:52:37.130425  <30>[   12.929485] systemd[1]: Starting Load Kernel Module configfs...

 2718 13:52:37.138046           Starting Load Kernel Module configfs...

 2719 13:52:37.148987  <30>[   12.947966] systemd[1]: Starting Load Kernel Module drm...

 2720 13:52:37.156228           Starting Load Kernel Module drm...

 2721 13:52:37.164211  <30>[   12.963351] systemd[1]: Starting Load Kernel Module fuse...

 2722 13:52:37.171185           Starting Load Kernel Module fuse...

 2723 13:52:37.195636  <30>[   12.991108] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

 2724 13:52:37.208796  <30>[   13.007693] systemd[1]: Starting Journal Service...

 2725 13:52:37.211940           Starting Journal Service...

 2726 13:52:37.246829  <6>[   13.046011] fuse: init (API version 7.32)

 2727 13:52:37.258373  <30>[   13.057125] systemd[1]: Starting Load Kernel Modules...

 2728 13:52:37.264464           Starting Load Kernel Modules...

 2729 13:52:37.276999  <30>[   13.072586] systemd[1]: Starting Remount Root and Kernel File Systems...

 2730 13:52:37.283410           Starting Remount Root and Kernel File Systems...

 2731 13:52:37.293751  <30>[   13.092705] systemd[1]: Starting Coldplug All udev Devices...

 2732 13:52:37.300810           Starting Coldplug All udev Devices...

 2733 13:52:37.324809  <30>[   13.124066] systemd[1]: Mounted Huge Pages File System.

 2734 13:52:37.331421  [  OK  ] Mounted Huge Pages File System.

 2735 13:52:37.340038  <30>[   13.139086] systemd[1]: Mounted POSIX Message Queue File System.

 2736 13:52:37.346795  [  OK  ] Mounted POSIX Message Queue File System.

 2737 13:52:37.356272  <30>[   13.155277] systemd[1]: Mounted Kernel Debug File System.

 2738 13:52:37.362996  [  OK  ] Mounted Kernel Debug File System.

 2739 13:52:37.369592  <30>[   13.168910] systemd[1]: Mounted Kernel Trace File System.

 2740 13:52:37.376253  [  OK  ] Mounted Kernel Trace File System.

 2741 13:52:37.392986  <30>[   13.188959] systemd[1]: Finished Create list of static device nodes for the current kernel.

 2742 13:52:37.402441  [  OK  ] Finished Create list of st… nodes for the current kernel.

 2743 13:52:37.409811  <30>[   13.209349] systemd[1]: modprobe@configfs.service: Succeeded.

 2744 13:52:37.418347  <30>[   13.217361] systemd[1]: Finished Load Kernel Module configfs.

 2745 13:52:37.424518  [  OK  ] Finished Load Kernel Module configfs.

 2746 13:52:37.436727  <30>[   13.235784] systemd[1]: modprobe@drm.service: Succeeded.

 2747 13:52:37.444211  <30>[   13.243102] systemd[1]: Finished Load Kernel Module drm.

 2748 13:52:37.450639  [  OK  ] Finished Load Kernel Module drm.

 2749 13:52:37.458715  <30>[   13.257828] systemd[1]: modprobe@fuse.service: Succeeded.

 2750 13:52:37.465266  <30>[   13.264290] systemd[1]: Finished Load Kernel Module fuse.

 2751 13:52:37.472218  [  OK  ] Finished Load Kernel Module fuse.

 2752 13:52:37.481735  <30>[   13.280882] systemd[1]: Started Journal Service.

 2753 13:52:37.487980  [  OK  ] Started Journal Service.

 2754 13:52:37.496221  [  OK  ] Finished Load Kernel Modules.

 2755 13:52:37.509452  [  OK  ] Finished Remount Root and Kernel File Systems.

 2756 13:52:37.522413           Mounting FUSE Control File System...

 2757 13:52:37.531296           Mounting Kernel Configuration File System...

 2758 13:52:37.547279           Starting Flush Journal to Persistent Storage...

 2759 13:52:37.557741           Starting Load/Save Random Seed...

 2760 13:52:37.566718           Starting Apply Kernel Variables...

 2761 13:52:37.575971           Starting Create System Users...

 2762 13:52:37.590088  [  OK  ] Mounted FUSE Control File System.

 2763 13:52:37.600917  [  OK  ] Mounted Kernel Configuration File System.

 2764 13:52:37.612996  <46>[   13.409389] systemd-journald[199]: Received client request to flush runtime journal.

 2765 13:52:37.639781  [  OK  ] Finished Load/Save Random Seed.

 2766 13:52:37.662530  [  OK  ] Finished Apply Kernel Variables.

 2767 13:52:37.848764  [  OK  ] Finished Coldplug All udev Devices.

 2768 13:52:38.407284  [  OK  ] Finished Create System Users.

 2769 13:52:38.416104           Starting Create Static Device Nodes in /dev...

 2770 13:52:39.090179  [  OK  ] Finished Flush Journal to Persistent Storage.

 2771 13:52:39.126841  <6>[   14.922782] systemd-tmpfile (210) used greatest stack depth: 12384 bytes left

 2772 13:52:39.133344  [  OK  ] Finished Create Static Device Nodes in /dev.

 2773 13:52:39.141959  [  OK  ] Reached target Local File Systems (Pre).

 2774 13:52:39.151744  [  OK  ] Reached target Local File Systems.

 2775 13:52:39.163030           Starting Create Volatile Files and Directories...

 2776 13:52:39.180243           Starting Rule-based Manage…for Device Events and Files...

 2777 13:52:39.353927  [  OK  ] Started Rule-based Manager for Device Events and Files.

 2778 13:52:39.369394           Starting Network Service...

 2779 13:52:39.443828  [  OK  ] Finished Create Volatile Files and Directories.

 2780 13:52:39.458141           Starting Network Time Synchronization...

 2781 13:52:39.469418           Starting Update UTMP about System Boot/Shutdown...

 2782 13:52:39.645335  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 2783 13:52:39.850309  [  OK  ] Created slice system-systemd\x2dbacklight.slice.

 2784 13:52:39.861778           Starting Load/Save Screen …ess of backlight:amdgpu_bl0...

 2785 13:52:40.176123  [  OK  ] Found device /dev/ttyS0.

 2786 13:52:40.431152  [FAILED] Failed to start Load/Save …tness of backlight:amdgpu_bl0.

 2787 13:52:40.442265  See 'systemctl status systemd-backlight…klight:amdgpu_bl0.service' for details.

 2788 13:52:40.524292  [  OK  ] Started Network Service.

 2789 13:52:40.654705  [  OK  ] Started Network Time Synchronization.

 2790 13:52:40.747217  [  OK  ] Reached target Sound Card.

 2791 13:52:40.754748  [  OK  ] Reached target System Initialization.

 2792 13:52:40.767438  [  OK  ] Started Daily Cleanup of Temporary Directories.

 2793 13:52:40.773694  [  OK  ] Reached target System Time Set.

 2794 13:52:40.782271  [  OK  ] Reached target System Time Synchronized.

 2795 13:52:40.801811  [  OK  ] Started Daily apt download activities.

 2796 13:52:40.847299  [  OK  ] Started Daily apt upgrade and clean activities.

 2797 13:52:40.861054  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 2798 13:52:40.873864  [  OK  ] Started Discard unused blocks once a week.

 2799 13:52:40.880756  [  OK  ] Reached target Timers.

 2800 13:52:40.893166  [  OK  ] Listening on D-Bus System Message Bus Socket.

 2801 13:52:40.900383  [  OK  ] Reached target Sockets.

 2802 13:52:40.906506  [  OK  ] Reached target Basic System.

 2803 13:52:40.916497  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 2804 13:52:40.924581  [  OK  ] Started D-Bus System Message Bus.

 2805 13:52:40.959221           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 2806 13:52:40.997268           Starting User Login Management...

 2807 13:52:41.027205           Starting Network Name Resolution...

 2808 13:52:41.361132  [  OK  ] Started User Login Management.

 2809 13:52:41.404107  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 2810 13:52:41.909074  [  OK  ] Started Network Name Resolution.

 2811 13:52:41.918390  [  OK  ] Reached target Network.

 2812 13:52:41.930577  [  OK  ] Reached target Host and Network Name Lookups.

 2813 13:52:41.940185           Starting Permit User Sessions...

 2814 13:52:41.973363  [  OK  ] Finished Permit User Sessions.

 2815 13:52:41.985237  [  OK  ] Started Getty on tty1.

 2816 13:52:41.995989  [  OK  ] Started Serial Getty on ttyS0.

 2817 13:52:42.005804  [  OK  ] Reached target Login Prompts.

 2818 13:52:42.014144  [  OK  ] Reached target Multi-User System.

 2819 13:52:42.023754  [  OK  ] Reached target Graphical Interface.

 2820 13:52:42.040599           Starting Update UTMP about System Runlevel Changes...

 2821 13:52:42.084215  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 2822 13:52:42.137682  

 2823 13:52:42.138312  

 2824 13:52:42.140758  Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0

 2825 13:52:42.141178  

 2826 13:52:42.144113  debian-bullseye-amd64 login: root (automatic login)

 2827 13:52:42.144537  

 2828 13:52:42.144871  

 2829 13:52:42.530141  Linux debian-bullseye-amd64 5.10.201-cip41 #1 SMP Thu Dec 14 11:54:32 UTC 2023 x86_64

 2830 13:52:42.530619  

 2831 13:52:42.536565  The programs included with the Debian GNU/Linux system are free software;

 2832 13:52:42.543296  the exact distribution terms for each program are described in the

 2833 13:52:42.546553  individual files in /usr/share/doc/*/copyright.

 2834 13:52:42.546991  

 2835 13:52:42.553231  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 2836 13:52:42.556459  permitted by applicable law.

 2837 13:52:43.294524  Matched prompt #10: / #
 2839 13:52:43.295842  Kernel warnings or errors detected.
 2840 13:52:43.296185  Setting prompt string to ['/ #']
 2841 13:52:43.296596  end: 2.2.5.1 login-action (duration 00:00:18) [common]
 2843 13:52:43.297841  end: 2.2.5 auto-login-action (duration 00:00:19) [common]
 2844 13:52:43.298336  start: 2.2.6 expect-shell-connection (timeout 00:04:13) [common]
 2845 13:52:43.298687  Setting prompt string to ['/ #']
 2846 13:52:43.299000  Forcing a shell prompt, looking for ['/ #']
 2848 13:52:43.349868  / # 

 2849 13:52:43.350499  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 2850 13:52:43.350879  Waiting using forced prompt support (timeout 00:02:30)
 2851 13:52:43.357169  

 2852 13:52:43.358001  end: 2.2.6 expect-shell-connection (duration 00:00:00) [common]
 2853 13:52:43.358472  start: 2.2.7 export-device-env (timeout 00:04:13) [common]
 2855 13:52:43.459580  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12269278/extract-nfsrootfs-wcbz0q8k'

 2856 13:52:43.465367  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12269278/extract-nfsrootfs-wcbz0q8k'

 2858 13:52:43.566948  / # export NFS_SERVER_IP='192.168.201.1'

 2859 13:52:43.572775  export NFS_SERVER_IP='192.168.201.1'

 2860 13:52:43.573676  end: 2.2.7 export-device-env (duration 00:00:00) [common]
 2861 13:52:43.574273  end: 2.2 depthcharge-retry (duration 00:00:47) [common]
 2862 13:52:43.574814  end: 2 depthcharge-action (duration 00:00:47) [common]
 2863 13:52:43.575342  start: 3 lava-test-retry (timeout 00:08:47) [common]
 2864 13:52:43.575821  start: 3.1 lava-test-shell (timeout 00:08:47) [common]
 2865 13:52:43.576231  Using namespace: common
 2867 13:52:43.677387  / # #

 2868 13:52:43.678035  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 2869 13:52:43.683180  #

 2870 13:52:43.684193  Using /lava-12269278
 2872 13:52:43.785379  / # export SHELL=/bin/bash

 2873 13:52:43.791850  export SHELL=/bin/bash

 2875 13:52:43.893443  / # . /lava-12269278/environment

 2876 13:52:43.899878  . /lava-12269278/environment

 2878 13:52:44.006458  / # /lava-12269278/bin/lava-test-runner /lava-12269278/0

 2879 13:52:44.007062  Test shell timeout: 10s (minimum of the action and connection timeout)
 2880 13:52:44.012712  /lava-12269278/bin/lava-test-runner /lava-12269278/0

 2881 13:52:44.325576  + export TESTRUN_ID=0_timesync-off

 2882 13:52:44.328696  + TESTRUN_ID=0_timesync-off

 2883 13:52:44.331743  + cd /lava-12269278/0/tests/0_timesync-off

 2884 13:52:44.335189  ++ cat uuid

 2885 13:52:44.343558  + UUID=12269278_1.5.2.3.1

 2886 13:52:44.344021  + set +x

 2887 13:52:44.350418  <LAVA_SIGNAL_STARTRUN 0_timesync-off 12269278_1.5.2.3.1>

 2888 13:52:44.351153  Received signal: <STARTRUN> 0_timesync-off 12269278_1.5.2.3.1
 2889 13:52:44.351562  Starting test lava.0_timesync-off (12269278_1.5.2.3.1)
 2890 13:52:44.352016  Skipping test definition patterns.
 2891 13:52:44.353499  + systemctl stop systemd-timesyncd

 2892 13:52:44.412736  + set +x

 2893 13:52:44.415714  <LAVA_SIGNAL_ENDRUN 0_timesync-off 12269278_1.5.2.3.1>

 2894 13:52:44.415992  Received signal: <ENDRUN> 0_timesync-off 12269278_1.5.2.3.1
 2895 13:52:44.416086  Ending use of test pattern.
 2896 13:52:44.416157  Ending test lava.0_timesync-off (12269278_1.5.2.3.1), duration 0.06
 2898 13:52:44.490073  + export TESTRUN_ID=1_kselftest-lkdtm

 2899 13:52:44.493053  + TESTRUN_ID=1_kselftest-lkdtm

 2900 13:52:44.499359  + cd /lava-12269278/0/tests/1_kselftest-lkdtm

 2901 13:52:44.499449  ++ cat uuid

 2902 13:52:44.505734  + UUID=12269278_1.5.2.3.5

 2903 13:52:44.505820  + set +x

 2904 13:52:44.512568  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 12269278_1.5.2.3.5>

 2905 13:52:44.512834  Received signal: <STARTRUN> 1_kselftest-lkdtm 12269278_1.5.2.3.5
 2906 13:52:44.512907  Starting test lava.1_kselftest-lkdtm (12269278_1.5.2.3.5)
 2907 13:52:44.512994  Skipping test definition patterns.
 2908 13:52:44.515833  + cd ./automated/linux/kselftest/

 2909 13:52:44.545005  + ./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/v5.10.201-cip41-69-g8f7b450fc28ed/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b hp-11A-G6-EE-grunt -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1

 2910 13:52:44.584470  INFO: install_deps skipped

 2911 13:52:44.720664  --2023-12-14 13:52:02--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-69-g8f7b450fc28ed/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz

 2912 13:52:44.737995  Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82

 2913 13:52:44.871212  Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected.

 2914 13:52:45.004375  HTTP request sent, awaiting response... 200 OK

 2915 13:52:45.006969  Length: 3383032 (3.2M) [application/octet-stream]

 2916 13:52:45.010207  Saving to: 'kselftest.tar.xz'

 2917 13:52:45.010348  

 2918 13:52:45.010444  

 2919 13:52:45.270366  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               

 2920 13:52:45.536202  kselftest.tar.xz      1%[                    ]  47.81K   181KB/s               

 2921 13:52:45.851073  kselftest.tar.xz      6%[>                   ] 216.08K   407KB/s               

 2922 13:52:46.128814  kselftest.tar.xz     24%[===>                ] 825.54K   976KB/s               

 2923 13:52:46.334405  kselftest.tar.xz     60%[===========>        ]   1.94M  1.72MB/s               

 2924 13:52:46.384716  kselftest.tar.xz     90%[=================>  ]   2.93M  2.20MB/s               

 2925 13:52:46.391212  kselftest.tar.xz    100%[===================>]   3.23M  2.34MB/s    in 1.4s    

 2926 13:52:46.391713  

 2927 13:52:46.681907  2023-12-14 13:52:04 (2.34 MB/s) - 'kselftest.tar.xz' saved [3383032/3383032]

 2928 13:52:46.682084  

 2929 13:52:53.950355  skiplist:

 2930 13:52:53.953455  ========================================

 2931 13:52:53.957044  ========================================

 2932 13:52:54.003340  lkdtm:PANIC.sh

 2933 13:52:54.003453  lkdtm:BUG.sh

 2934 13:52:54.006400  lkdtm:WARNING.sh

 2935 13:52:54.006483  lkdtm:WARNING_MESSAGE.sh

 2936 13:52:54.009929  lkdtm:EXCEPTION.sh

 2937 13:52:54.010052  lkdtm:LOOP.sh

 2938 13:52:54.013063  lkdtm:EXHAUST_STACK.sh

 2939 13:52:54.016635  lkdtm:CORRUPT_STACK.sh

 2940 13:52:54.016718  lkdtm:CORRUPT_STACK_STRONG.sh

 2941 13:52:54.020149  lkdtm:CORRUPT_LIST_ADD.sh

 2942 13:52:54.023041  lkdtm:CORRUPT_LIST_DEL.sh

 2943 13:52:54.026452  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2944 13:52:54.029576  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2945 13:52:54.029696  lkdtm:UNSET_SMEP.sh

 2946 13:52:54.032903  lkdtm:DOUBLE_FAULT.sh

 2947 13:52:54.032987  lkdtm:CORRUPT_PAC.sh

 2948 13:52:54.036277  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2949 13:52:54.039664  lkdtm:OVERWRITE_ALLOCATION.sh

 2950 13:52:54.043053  lkdtm:WRITE_AFTER_FREE.sh

 2951 13:52:54.046531  lkdtm:READ_AFTER_FREE.sh

 2952 13:52:54.046615  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2953 13:52:54.049728  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2954 13:52:54.052796  lkdtm:SLAB_FREE_DOUBLE.sh

 2955 13:52:54.056471  lkdtm:SLAB_FREE_CROSS.sh

 2956 13:52:54.056572  lkdtm:SLAB_FREE_PAGE.sh

 2957 13:52:54.059731  lkdtm:SOFTLOCKUP.sh

 2958 13:52:54.059814  lkdtm:HARDLOCKUP.sh

 2959 13:52:54.062858  lkdtm:SPINLOCKUP.sh

 2960 13:52:54.066573  lkdtm:HUNG_TASK.sh

 2961 13:52:54.066670  lkdtm:EXEC_DATA.sh

 2962 13:52:54.069876  lkdtm:EXEC_STACK.sh

 2963 13:52:54.070008  lkdtm:EXEC_KMALLOC.sh

 2964 13:52:54.072898  lkdtm:EXEC_VMALLOC.sh

 2965 13:52:54.073036  lkdtm:EXEC_RODATA.sh

 2966 13:52:54.076445  lkdtm:EXEC_USERSPACE.sh

 2967 13:52:54.079643  lkdtm:EXEC_NULL.sh

 2968 13:52:54.079786  lkdtm:ACCESS_USERSPACE.sh

 2969 13:52:54.083022  lkdtm:ACCESS_NULL.sh

 2970 13:52:54.083156  lkdtm:WRITE_RO.sh

 2971 13:52:54.086121  lkdtm:WRITE_RO_AFTER_INIT.sh

 2972 13:52:54.089755  lkdtm:WRITE_KERN.sh

 2973 13:52:54.089978  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 2974 13:52:54.093157  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 2975 13:52:54.095993  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 2976 13:52:54.099601  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 2977 13:52:54.102727  lkdtm:REFCOUNT_DEC_ZERO.sh

 2978 13:52:54.106215  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 2979 13:52:54.110084  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 2980 13:52:54.112879  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 2981 13:52:54.116392  lkdtm:REFCOUNT_INC_ZERO.sh

 2982 13:52:54.119545  lkdtm:REFCOUNT_ADD_ZERO.sh

 2983 13:52:54.122674  lkdtm:REFCOUNT_INC_SATURATED.sh

 2984 13:52:54.123140  lkdtm:REFCOUNT_DEC_SATURATED.sh

 2985 13:52:54.126386  lkdtm:REFCOUNT_ADD_SATURATED.sh

 2986 13:52:54.129259  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 2987 13:52:54.133015  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 2988 13:52:54.139375  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 2989 13:52:54.142537  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 2990 13:52:54.143044  lkdtm:REFCOUNT_TIMING.sh

 2991 13:52:54.146283  lkdtm:ATOMIC_TIMING.sh

 2992 13:52:54.149313  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 2993 13:52:54.152472  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 2994 13:52:54.155922  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 2995 13:52:54.159372  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 2996 13:52:54.162662  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 2997 13:52:54.165735  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 2998 13:52:54.166250  lkdtm:USERCOPY_STACK_BEYOND.sh

 2999 13:52:54.169076  lkdtm:USERCOPY_KERNEL.sh

 3000 13:52:54.172303  lkdtm:STACKLEAK_ERASING.sh

 3001 13:52:54.175630  lkdtm:CFI_FORWARD_PROTO.sh

 3002 13:52:54.179038  ============== Tests to run ===============

 3003 13:52:54.179564  lkdtm:PANIC.sh

 3004 13:52:54.182313  lkdtm:BUG.sh

 3005 13:52:54.182396  lkdtm:WARNING.sh

 3006 13:52:54.184927  lkdtm:WARNING_MESSAGE.sh

 3007 13:52:54.185025  lkdtm:EXCEPTION.sh

 3008 13:52:54.188855  lkdtm:LOOP.sh

 3009 13:52:54.188965  lkdtm:EXHAUST_STACK.sh

 3010 13:52:54.192175  lkdtm:CORRUPT_STACK.sh

 3011 13:52:54.195052  lkdtm:CORRUPT_STACK_STRONG.sh

 3012 13:52:54.195155  lkdtm:CORRUPT_LIST_ADD.sh

 3013 13:52:54.198459  lkdtm:CORRUPT_LIST_DEL.sh

 3014 13:52:54.201676  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 3015 13:52:54.204856  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 3016 13:52:54.208336  lkdtm:UNSET_SMEP.sh

 3017 13:52:54.208442  lkdtm:DOUBLE_FAULT.sh

 3018 13:52:54.211698  lkdtm:CORRUPT_PAC.sh

 3019 13:52:54.214861  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 3020 13:52:54.218386  lkdtm:OVERWRITE_ALLOCATION.sh

 3021 13:52:54.218468  lkdtm:WRITE_AFTER_FREE.sh

 3022 13:52:54.221206  lkdtm:READ_AFTER_FREE.sh

 3023 13:52:54.224716  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 3024 13:52:54.227921  lkdtm:READ_BUDDY_AFTER_FREE.sh

 3025 13:52:54.228026  lkdtm:SLAB_FREE_DOUBLE.sh

 3026 13:52:54.231632  lkdtm:SLAB_FREE_CROSS.sh

 3027 13:52:54.234512  lkdtm:SLAB_FREE_PAGE.sh

 3028 13:52:54.234618  lkdtm:SOFTLOCKUP.sh

 3029 13:52:54.237780  lkdtm:HARDLOCKUP.sh

 3030 13:52:54.237880  lkdtm:SPINLOCKUP.sh

 3031 13:52:54.241340  lkdtm:HUNG_TASK.sh

 3032 13:52:54.241415  lkdtm:EXEC_DATA.sh

 3033 13:52:54.244537  lkdtm:EXEC_STACK.sh

 3034 13:52:54.247814  lkdtm:EXEC_KMALLOC.sh

 3035 13:52:54.247918  lkdtm:EXEC_VMALLOC.sh

 3036 13:52:54.250963  lkdtm:EXEC_RODATA.sh

 3037 13:52:54.251068  lkdtm:EXEC_USERSPACE.sh

 3038 13:52:54.254317  lkdtm:EXEC_NULL.sh

 3039 13:52:54.257828  lkdtm:ACCESS_USERSPACE.sh

 3040 13:52:54.257930  lkdtm:ACCESS_NULL.sh

 3041 13:52:54.261112  lkdtm:WRITE_RO.sh

 3042 13:52:54.261197  lkdtm:WRITE_RO_AFTER_INIT.sh

 3043 13:52:54.264309  lkdtm:WRITE_KERN.sh

 3044 13:52:54.267939  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 3045 13:52:54.271187  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 3046 13:52:54.274264  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3047 13:52:54.277597  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3048 13:52:54.281196  lkdtm:REFCOUNT_DEC_ZERO.sh

 3049 13:52:54.281322  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 3050 13:52:54.284818  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3051 13:52:54.291108  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 3052 13:52:54.291218  lkdtm:REFCOUNT_INC_ZERO.sh

 3053 13:52:54.294249  lkdtm:REFCOUNT_ADD_ZERO.sh

 3054 13:52:54.297715  lkdtm:REFCOUNT_INC_SATURATED.sh

 3055 13:52:54.300821  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3056 13:52:54.303882  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3057 13:52:54.307544  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3058 13:52:54.310518  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3059 13:52:54.314206  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3060 13:52:54.317143  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3061 13:52:54.320767  lkdtm:REFCOUNT_TIMING.sh

 3062 13:52:54.320870  lkdtm:ATOMIC_TIMING.sh

 3063 13:52:54.324013  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3064 13:52:54.327210  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3065 13:52:54.330541  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3066 13:52:54.333802  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3067 13:52:54.337242  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3068 13:52:54.340570  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3069 13:52:54.344102  lkdtm:USERCOPY_STACK_BEYOND.sh

 3070 13:52:54.344202  lkdtm:USERCOPY_KERNEL.sh

 3071 13:52:54.347163  lkdtm:STACKLEAK_ERASING.sh

 3072 13:52:54.350315  lkdtm:CFI_FORWARD_PROTO.sh

 3073 13:52:54.353550  ===========End Tests to run ===============

 3074 13:52:54.356574  shardfile-lkdtm pass

 3075 13:52:54.664241  <12>[   30.463925] kselftest: Running tests in lkdtm

 3076 13:52:54.675195  TAP version 13

 3077 13:52:54.689734  1..70

 3078 13:52:54.699404  # selftests: lkdtm: PANIC.sh

 3079 13:52:55.094928  # Skipping PANIC: crashes entire system

 3080 13:52:55.098639  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 3081 13:52:55.101758  # selftests: lkdtm: BUG.sh

 3082 13:52:55.205304  <6>[   31.004920] lkdtm: Performing direct entry BUG

 3083 13:52:55.208571  <4>[   31.009801] ------------[ cut here ]------------

 3084 13:52:55.215384  <2>[   31.014990] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3085 13:52:55.222219  <4>[   31.020549] invalid opcode: 0000 [#1] SMP NOPTI

 3086 13:52:55.228858  <4>[   31.025336] CPU: 1 PID: 626 Comm: cat Tainted: G        W         5.10.201-cip41 #1

 3087 13:52:55.235517  <4>[   31.033239] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3088 13:52:55.238829  <4>[   31.039415] RIP: 0010:lkdtm_BUG+0x5/0x10

 3089 13:52:55.258420  <4>[   31.043593] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 3090 13:52:55.265251  <4>[   31.062590] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 3091 13:52:55.271652  <4>[   31.068069] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 3092 13:52:55.278653  <4>[   31.075452] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 3093 13:52:55.285167  <4>[   31.082834] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 3094 13:52:55.291822  <4>[   31.090217] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3095 13:52:55.301374  <4>[   31.097600] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 3096 13:52:55.308328  <4>[   31.104984] FS:  00007f751e45d580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3097 13:52:55.314780  <4>[   31.113320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3098 13:52:55.321760  <4>[   31.119315] CR2: 00007f751e22a000 CR3: 0000000103b4c000 CR4: 00000000001506e0

 3099 13:52:55.325037  <4>[   31.126697] Call Trace:

 3100 13:52:55.328485  <4>[   31.129407]  ? __die_body.cold+0x1a/0x1f

 3101 13:52:55.331804  <4>[   31.133588]  ? die+0x2b/0x50

 3102 13:52:55.335152  <4>[   31.136726]  ? do_trap+0x91/0x110

 3103 13:52:55.338074  <4>[   31.140296]  ? lkdtm_BUG+0x5/0x10

 3104 13:52:55.344811  <4>[   31.143868]  ? do_error_trap+0x90/0x110

 3105 13:52:55.348021  <4>[   31.147958]  ? lkdtm_BUG+0x5/0x10

 3106 13:52:55.351158  <4>[   31.151528]  ? lkdtm_BUG+0x5/0x10

 3107 13:52:55.354718  <4>[   31.155102]  ? exc_invalid_op+0x4e/0x70

 3108 13:52:55.357918  <4>[   31.159192]  ? lkdtm_BUG+0x5/0x10

 3109 13:52:55.361511  <4>[   31.162763]  ? asm_exc_invalid_op+0x12/0x20

 3110 13:52:55.368462  <4>[   31.167202]  ? direct_entry+0xe0/0xe0

 3111 13:52:55.371500  <4>[   31.171120]  ? lkdtm_BUG+0x5/0x10

 3112 13:52:55.374494  <4>[   31.174693]  direct_entry.cold+0x2c/0x38

 3113 13:52:55.377978  <4>[   31.178874]  full_proxy_write+0x56/0x80

 3114 13:52:55.381262  <4>[   31.182968]  vfs_write+0xea/0x3b0

 3115 13:52:55.384731  <4>[   31.186538]  ksys_write+0x68/0xf0

 3116 13:52:55.391357  <4>[   31.190109]  do_syscall_64+0x33/0x40

 3117 13:52:55.394599  <4>[   31.193940]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3118 13:52:55.397651  <4>[   31.199243] RIP: 0033:0x7f751e336473

 3119 13:52:55.417786  <4>[   31.203075] 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

 3120 13:52:55.424273  <4>[   31.222072] RSP: 002b:00007ffc7d202ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3121 13:52:55.434039  <4>[   31.229889] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f751e336473

 3122 13:52:55.440966  <4>[   31.237272] RDX: 0000000000000004 RSI: 00007f751e22a000 RDI: 0000000000000001

 3123 13:52:55.447709  <4>[   31.244654] RBP: 00007f751e22a000 R08: 00007f751e229010 R09: 0000000000000000

 3124 13:52:55.454074  <4>[   31.252037] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3125 13:52:55.463801  <4>[   31.259418] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3126 13:52:55.503724  <4>[   31.266804] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3127 13:52:55.504328  

 3128 13:52:55.504780  

 3129 13:52:55.510322  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 smm starting...

 3130 13:52:55.510791  

 3131 13:52:55.511191  SMI# #1

 3132 13:52:55.513284  GSMI Set Event Log (type=0xdead instance=0x3)

 3133 13:52:55.516865  FMAP: Found "FLASH" version 1.1 at d7f000.

 3134 13:52:55.523167  FMAP: base = ff000000 size = 1000000 #areas = 30

 3135 13:52:55.526922  FMAP: area RW_ELOG found @ 45d000 (16384 bytes)

 3136 13:52:55.527401  Manufacturer: ef

 3137 13:52:55.532992  SF: Detected W25Q128FW with sector size 0x1000, total 0x1000000

 3138 13:52:55.536271  ELOG: NV offset 0x45d000 size 0x4000

 3139 13:52:55.545693  ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024

 3140 13:52:55.552491  ELOG: Event(81) added with size 13 at 2023-12-14 13:52:13 UTC

 3141 13:52:55.555593  <0>[   31.356244] gsmi: Log Shutdown Reason 0x03

 3142 13:52:55.562713  <4>[   31.360788] ---[ end trace e32a66cc720e8155 ]---

 3143 13:52:55.565760  <4>[   31.365717] RIP: 0010:lkdtm_BUG+0x5/0x10

 3144 13:52:55.585353  <4>[   31.369973] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 3145 13:52:55.588978  <4>[   31.389025] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 3146 13:52:55.598793  <4>[   31.394571] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 3147 13:52:55.605215  <4>[   31.402002] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 3148 13:52:55.612175  <4>[   31.409477] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 3149 13:52:55.618413  <4>[   31.416904] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3150 13:52:55.628520  <4>[   31.424338] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 3151 13:52:55.635285  <4>[   31.431756] FS:  00007f751e45d580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3152 13:52:55.641617  <4>[   31.440136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3153 13:52:55.648385  <4>[   31.446161] CR2: 00007f751e22a000 CR3: 0000000103b4c000 CR4: 00000000001506e0

 3154 13:52:55.651397  # Segmentation fault

 3155 13:52:55.711150  # [   31.004920] lkdtm: Performing direct entry BUG

 3156 13:52:55.714589  # [   31.009801] ------------[ cut here ]------------

 3157 13:52:55.721345  # [   31.014990] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3158 13:52:55.724278  # [   31.020549] invalid opcode: 0000 [#1] SMP NOPTI

 3159 13:52:55.734231  # [   31.025336] CPU: 1 PID: 626 Comm: cat Tainted: G        W         5.10.201-cip41 #1

 3160 13:52:55.741035  # [   31.033239] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3161 13:52:55.744172  # [   31.039415] RIP: 0010:lkdtm_BUG+0x5/0x10

 3162 13:52:55.763824  # [   31.043593] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 3163 13:52:55.767161  # [   31.062590] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 3164 13:52:55.773824  # [   31.068069] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 3165 13:52:55.783869  # [   31.075452] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 3166 13:52:55.790229  # [   31.082834] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 3167 13:52:55.796774  # [   31.090217] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3168 13:52:55.803440  # [   31.097600] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 3169 13:52:55.813003  # [   31.104984] FS:  00007f751e45d580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3170 13:52:55.816760  # [   31.113320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3171 13:52:55.826243  # [   31.119315] CR2: 00007f751e22a000 CR3: 0000000103b4c000 CR4: 00000000001506e0

 3172 13:52:55.826347  # [   31.126697] Call Trace:

 3173 13:52:55.832890  # [   31.129407]  ? __die_body.cold+0x1a/0x1f

 3174 13:52:55.836707  # [   31.133588]  ? die+0x2b/0x50

 3175 13:52:55.839767  # [   31.13672<6>[   31.619476] lkdtm: Performing direct entry WARNING

 3176 13:52:55.842897  6]  ? do_trap+0x91/0x110

 3177 13:52:55.846417  # [   31.140296]  ? lkdtm_BUG+0x5/0x10

 3178 13:52:55.849680  # [   31.143868]  ? do_error_trap+0x90/0x110

 3179 13:52:55.852859  # [   31.147958]  ? lkdtm_BUG+0x5/0x10

 3180 13:52:55.859726  # [   31.151528]  ? lkdtm_BUG+0x5/0x10

 3181 13:52:55.862875  # [   31.155102]  ? exc_invalid_op+0x4e/0x70

 3182 13:52:55.869558  # [   31.159192]  <4>[   31.645924] ------------[ cut here ]------------

 3183 13:52:55.869673  ? lkdtm_BUG+0x5/0x10

 3184 13:52:55.876089  # [   31.162763]  ? asm_exc_invalid_op+0x12/0x20

 3185 13:52:55.879476  # [   31.167202]  ? direct_entry+0xe0/0xe0

 3186 13:52:55.882665  # [   31.171120]  ? lkdtm_BUG+0x5/0x10

 3187 13:52:55.885749  # [   31.174693]  direct_entry.cold+0x2c/0x38

 3188 13:52:55.889604  # [   31.178874]  full_proxy_write+0x56/0x80

 3189 13:52:55.899252  # [   3<4>[   31.672941] WARNING: CPU: 1 PID: 664 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3190 13:52:55.902695  1.182968]  vfs_write+0xea/0x3b0

 3191 13:52:55.906144  # [   31.186538]  ksys_write+0x68/0xf0

 3192 13:52:55.909586  # [   31.190109]  do_syscall_64+0x33/0x40

 3193 13:52:55.916272  # [   31.193940]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3194 13:52:55.919209  # [   31.199243] RIP: 0033:0x7f751e336473

 3195 13:52:55.962115  # [   31.203075] Code: 8b 15 21 2a 0e<4>[   31.703793] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3196 13:52:55.978841   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

 3197 13:52:55.991836  # [   31.222072] RSP: 002b:00007ffc7d202ae8 EFLAGS: 00000246 ORIG_RAX: 0000<4>[   31.765852] CPU: 1 PID: 664 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 3198 13:52:55.992321  000000000001

 3199 13:52:55.998459  # [   31.229889] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f751e336473

 3200 13:52:56.008650  # [   31.237272] RDX: 0000000000000004 RSI: 00007f751e22a000 RDI: 0000000000000001

 3201 13:52:56.021571  # [   31.244654] RBP: 00007f751e22a000 R08: 00007f751e229010 R09: 00000000<4>[   31.795966] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3202 13:52:56.022239  00000000

 3203 13:52:56.028275  # [   31.252037] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3204 13:52:56.034794  # [   31.259418] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3205 13:52:56.048077  # [   31.266804] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_light<4>[   31.824393] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3206 13:52:56.087481  bar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_ada<4>[   31.851124] 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 a0 64 0b 03 01 75 05 e9 cd 92 a8 00 <0f> 0b e9 c6 92 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 64

 3207 13:52:56.097639  u7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3208 13:52:56.104327  # [   31.356244] gsmi: Log Shutdown Reason 0x03

 3209 13:52:56.107915  # [   31.360788] ---[ end trace e32a66cc720e8155 ]---

 3210 13:52:56.114383  # [   31.365717] RIP: 0010:<4>[   31.892364] RSP: 0018:ffffacf9c0d0be60 EFLAGS: 00010202

 3211 13:52:56.117491  lkdtm_BUG+0x5/0x10

 3212 13:52:56.137391  # [   31.369973] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 3213 13:52:56.143774  # [   31.389025] R<4>[   31.919990] RAX: ffffffffa597b820 RBX: 0000000000000002 RCX: 0000000000000000

 3214 13:52:56.150429  SP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 3215 13:52:56.157320  # [   31.394571] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 3216 13:52:56.163692  # [   31.402002] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 3217 13:52:56.173636  # [   31.409477] RBP: ffffffffa6fe8528 R08: <4>[   31.949633] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80c0

 3218 13:52:56.176959  0000000000000001 R09: 0000000000000001

 3219 13:52:56.186850  # [   31.416904] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3220 13:52:56.193715  # [   31.424338] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 3221 13:52:56.203536  # [   31.431756] FS:  00007f751e45d580(0000) GS:<4>[   31.979138] RBP: ffffffffa6f821bf R08: 0000000000000000 R09: 0000000000000000

 3222 13:52:56.210300  ffff89a1ead00000(0000) knlGS:0000000000000000

 3223 13:52:56.219972  # [   31.440136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033<4>[   32.008692] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3224 13:52:56.223128  

 3225 13:52:56.229809  # [   31.446161] CR2: 00007f751e22a000 CR3: 0000000103b4c000 CR4: 00000000001506e0

 3226 13:52:56.233064  # BUG: saw 'kernel BUG at': ok

 3227 13:52:56.233530  ok 2 selftests: lkdtm: BUG.sh

 3228 13:52:56.236234  # selftests: lkdtm: WARNING.sh

 3229 13:52:56.243140  <4>[   32.025873] R13: ffffacf9c0d0bf10 R14: ffffacf9c0d0bf10 R15: ffff89a1c357c000

 3230 13:52:56.253068  <4>[   32.048948] FS:  00007f4e831013c0(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3231 13:52:56.259774  <4>[   32.057326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3232 13:52:56.266117  <4>[   32.063376] CR2: 00007f4e82ed2000 CR3: 0000000103b96000 CR4: 00000000001506e0

 3233 13:52:56.269966  <4>[   32.070806] Call Trace:

 3234 13:52:56.272807  <4>[   32.073570]  ? __warn+0x80/0x110

 3235 13:52:56.276549  <4>[   32.077134]  ? lkdtm_WARNING+0x13/0x20

 3236 13:52:56.279510  <4>[   32.081170]  ? report_bug+0x9e/0xc0

 3237 13:52:56.282660  <4>[   32.084937]  ? handle_bug+0x41/0x90

 3238 13:52:56.289678  <4>[   32.088697]  ? exc_invalid_op+0x14/0x70

 3239 13:52:56.292829  <4>[   32.092796]  ? asm_exc_invalid_op+0x12/0x20

 3240 13:52:56.295955  <4>[   32.097241]  ? lkdtm_BUG+0x10/0x10

 3241 13:52:56.299479  <4>[   32.100906]  ? lkdtm_WARNING+0x13/0x20

 3242 13:52:56.306150  <4>[   32.104918]  direct_entry.cold+0x2c/0x38

 3243 13:52:56.309597  <4>[   32.109159]  full_proxy_write+0x56/0x80

 3244 13:52:56.312688  <4>[   32.113275]  vfs_write+0xea/0x3b0

 3245 13:52:56.316115  <4>[   32.116856]  ksys_write+0x68/0xf0

 3246 13:52:56.319536  <4>[   32.120438]  do_syscall_64+0x33/0x40

 3247 13:52:56.326186  <4>[   32.124295]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3248 13:52:56.329451  <4>[   32.129625] RIP: 0033:0x7f4e82fde473

 3249 13:52:56.349233  <4>[   32.133465] 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

 3250 13:52:56.355737  <4>[   32.152568] RSP: 002b:00007ffd9ea70188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3251 13:52:56.363122  <4>[   32.160427] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f4e82fde473

 3252 13:52:56.369264  <4>[   32.167830] RDX: 0000000000000008 RSI: 00007f4e82ed2000 RDI: 0000000000000001

 3253 13:52:56.379187  <4>[   32.175252] RBP: 00007f4e82ed2000 R08: 00007f4e82ed1010 R09: 0000000000000000

 3254 13:52:56.385817  <4>[   32.182643] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3255 13:52:56.392265  <4>[   32.190034] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3256 13:52:56.395944  <4>[   32.197433] irq event stamp: 0

 3257 13:52:56.402633  <4>[   32.200754] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3258 13:52:56.412323  <4>[   32.207315] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 3259 13:52:56.419240  <4>[   32.215749] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 3260 13:52:56.425913  <4>[   32.224180] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3261 13:52:56.432131  <4>[   32.230705] ---[ end trace e32a66cc720e8156 ]---

 3262 13:52:56.456628  # [   31.619476] lkdtm: Performing direct entry WARNING

 3263 13:52:56.459591  # [   31.645924] ------------[ cut here ]------------

 3264 13:52:56.469778  # [   31.672941] WARNING: CPU: 1 PID: 664 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3265 13:52:56.509129  # [   31.703793] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3266 13:52:56.515788  # [   31.765852] CPU: 1 PID: 664 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 3267 13:52:56.522756  # [   31.795966] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3268 13:52:56.529176  # [   31.824393] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3269 13:52:56.545889  # [   31.851124] 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 a0 64 0b 03 01 75 05 e9 cd 92 a8 00 <0f> 0b e9 c6 92 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 64

 3270 13:52:56.552694  # [   31.892364] RSP: 0018:ffffacf9c0d0be60 EFLAGS: 00010202

 3271 13:52:56.558973  # [   31.919990] RAX: ffffffffa597b820 RBX: 0000000000000002 RCX: 0000000000000000

 3272 13:52:56.565488  # [   31.949633] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80c0

 3273 13:52:56.575438  # [   31.979138] RBP: ffffffffa6f821bf R08: 0000000000000000 R09: 0000000000000000

 3274 13:52:56.582340  # [   32.008692] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3275 13:52:56.589232  # [   32.025873] R13: ffffacf9c0d0bf10 R14: ffffacf9c0d0bf10 R15: ffff89a1c357c000

 3276 13:52:56.595661  # [ <6>[   32.384987] lkdtm: Performing direct entry WARNING_MESSAGE

 3277 13:52:56.602312    32.048948] FS:  00007f4e831013c0(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3278 13:52:56.608903  # [   32.057326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3279 13:52:56.615489  # [   32.063376] CR2: 00007f4e82ed2000 CR3: 0000000103b96000 CR4: 00000000001506e0

 3280 13:52:56.622010  # [   32.0708<4>[   32.399028] ------------[ cut here ]------------

 3281 13:52:56.622489  06] Call Trace:

 3282 13:52:56.625072  # [   32.073570]  ? __warn+0x80/0x110

 3283 13:52:56.631788  # [   32.077134]  ? lkdtm_WARNING+0x13/0x20

 3284 13:52:56.635055  # [   32.081170]  ? report_bug+0x9e/0xc0

 3285 13:52:56.638376  # [   32.084937]  ? handle_bug+0x41/0x90

 3286 13:52:56.641686  # [   32.088697]  ? exc_invalid_op+0x14/0x70

 3287 13:52:56.648337  # [   32.092796]  ? asm_e<4>[   32.426107] Warning message trigger count: 2

 3288 13:52:56.651480  xc_invalid_op+0x12/0x20

 3289 13:52:56.654618  # [   32.097241]  ? lkdtm_BUG+0x10/0x10

 3290 13:52:56.658244  # [   32.100906]  ? lkdtm_WARNING+0x13/0x20

 3291 13:52:56.661500  # [   32.104918]  direct_entry.cold+0x2c/0x38

 3292 13:52:56.664551  # [   32.109159]  full_proxy_write+0x56/0x80

 3293 13:52:56.671563  # [   32.113275]  vfs_write+0xea/0x3b0

 3294 13:52:56.681124  # [   32.116<4>[   32.452885] WARNING: CPU: 1 PID: 700 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3295 13:52:56.681615  856]  ksys_write+0x68/0xf0

 3296 13:52:56.687718  # [   32.120438]  do_syscall_64+0x33/0x40

 3297 13:52:56.691250  # [   32.124295]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3298 13:52:56.694296  # [   32.129625] RIP: 0033:0x7f4e82fde473

 3299 13:52:56.740973  # [   32.133465] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7<4>[   32.484473] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3300 13:52:56.754281   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

 3301 13:52:56.760695  # [   32.152568] RSP: 002b:00007ffd9ea70188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3302 13:52:56.773615  # [   32.160427] RAX: fffffffff<4>[   32.546443] CPU: 1 PID: 700 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 3303 13:52:56.777165  fffffda RBX: 0000000000000008 RCX: 00007f4e82fde473

 3304 13:52:56.783683  # [   32.167830] RDX: 0000000000000008 RSI: 00007f4e82ed2000 RDI: 0000000000000001

 3305 13:52:56.790277  # [   32.175252] RBP: 00007f4e82ed2000 R08: 00007f4e82ed1010 R09: 0000000000000000

 3306 13:52:56.800183  # [   32.182643] R10: fffffffffffff<4>[   32.576620] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3307 13:52:56.803819  bc5 R11: 0000000000000246 R12: 0000000000000001

 3308 13:52:56.813704  # [   32.190034] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3309 13:52:56.817181  # [   32.197433] irq event stamp: 0

 3310 13:52:56.823262  # [   32.200754] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3311 13:52:56.826793  # [   32.207<4>[   32.604962] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3312 13:52:56.836728  315] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 3313 13:52:56.843368  # [   32.215749] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 3314 13:52:56.850143  # [   32.224180] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3315 13:52:56.869983  # <4>[   32.632421] Code: c6 92 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 64 0b 03 48 c7 c7 20 27 f8 a6 8d 70 01 89 35 71 64 0b 03 e8 8a ae 69 00 <0f> 0b e9 99 92 a8 00 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3316 13:52:56.873165  [   32.230705] ---[ end trace e32a66cc720e8156 ]---

 3317 13:52:56.876229  # WARNING: saw 'WARNING:': ok

 3318 13:52:56.879736  ok 3 selftests: lkdtm: WARNING.sh

 3319 13:52:56.882629  # selftests: lkdtm: WARNING_MESSAGE.sh

 3320 13:52:56.889739  <4>[   32.673595] RSP: 0018:ffffacf9c0d83e60 EFLAGS: 00010286

 3321 13:52:56.896307  <4>[   32.692820] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3322 13:52:56.902813  <4>[   32.700265] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 3323 13:52:56.909628  <4>[   32.707701] RBP: ffffffffa6f821c7 R08: 0000000000000000 R09: 0000000000000000

 3324 13:52:56.919279  <4>[   32.715151] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3325 13:52:56.925897  <4>[   32.722601] R13: ffffacf9c0d83f10 R14: ffffacf9c0d83f10 R15: ffff89a1c6595000

 3326 13:52:56.932978  <4>[   32.730050] FS:  00007f693f0ca580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3327 13:52:56.939369  <4>[   32.738455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3328 13:52:56.946389  <4>[   32.744521] CR2: 00007f693ee9a000 CR3: 0000000103da4000 CR4: 00000000001506e0

 3329 13:52:56.949341  <4>[   32.751965] Call Trace:

 3330 13:52:56.952960  <4>[   32.754758]  ? __warn+0x80/0x110

 3331 13:52:56.959305  <4>[   32.758320]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3332 13:52:56.962627  <4>[   32.763123]  ? report_bug+0x9e/0xc0

 3333 13:52:56.966029  <4>[   32.766990]  ? handle_bug+0x41/0x90

 3334 13:52:56.969222  <4>[   32.770834]  ? exc_invalid_op+0x14/0x70

 3335 13:52:56.976185  <4>[   32.775029]  ? asm_exc_invalid_op+0x12/0x20

 3336 13:52:56.979195  <4>[   32.779688]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3337 13:52:56.985910  <4>[   32.784521]  direct_entry.cold+0x2c/0x38

 3338 13:52:56.989384  <4>[   32.788741]  full_proxy_write+0x56/0x80

 3339 13:52:56.992963  <4>[   32.792842]  vfs_write+0xea/0x3b0

 3340 13:52:56.996312  <4>[   32.796430]  ksys_write+0x68/0xf0

 3341 13:52:56.999538  <4>[   32.800025]  do_syscall_64+0x33/0x40

 3342 13:52:57.006464  <4>[   32.803861]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3343 13:52:57.009291  <4>[   32.809172] RIP: 0033:0x7f693efa6473

 3344 13:52:57.029289  <4>[   32.813050] 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

 3345 13:52:57.036030  <4>[   32.832070] RSP: 002b:00007ffdc14017f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3346 13:52:57.042529  <4>[   32.839922] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f693efa6473

 3347 13:52:57.049024  <4>[   32.847352] RDX: 0000000000000010 RSI: 00007f693ee9a000 RDI: 0000000000000001

 3348 13:52:57.058610  <4>[   32.854769] RBP: 00007f693ee9a000 R08: 00007f693ee99010 R09: 0000000000000000

 3349 13:52:57.065460  <4>[   32.862161] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3350 13:52:57.071954  <4>[   32.869552] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3351 13:52:57.075398  <4>[   32.876962] irq event stamp: 0

 3352 13:52:57.082204  <4>[   32.880282] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3353 13:52:57.092148  <4>[   32.886811] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 3354 13:52:57.098454  <4>[   32.895244] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 3355 13:52:57.105467  <4>[   32.903676] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3356 13:52:57.111992  <4>[   32.910213] ---[ end trace e32a66cc720e8157 ]---

 3357 13:52:57.137197  # [   32.384987] lkdtm: Performing direct entry WARNING_MESSAGE

 3358 13:52:57.143570  # [   32.399028] ------------[ cut here ]------------

 3359 13:52:57.147046  # [   32.426107] Warning message trigger count: 2

 3360 13:52:57.157528  # [   32.452885] WARNING: CPU: 1 PID: 700 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3361 13:52:57.196675  # [   32.484473] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3362 13:52:57.203794  # [   32.546443] CPU: 1 PID: 700 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 3363 13:52:57.209913  # [   32.576620] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3364 13:52:57.216855  # [   32.604962] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3365 13:52:57.233099  # [   32.632421] Code: c6 92 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 64 0b 03 48 c7 c7 20 27 f8 a6 8d 70 01 89 35 71 64 0b 03 e8 8a ae 69 00 <0f> 0b e9 99 92 a8 00 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3366 13:52:57.239938  # [   32.673595] RSP: 0018:ffffacf9c0d83e60 EFLAGS: 00010286

 3367 13:52:57.246080  # [   32.692820] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3368 13:52:57.252914  # [   32.700265] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 3369 13:52:57.259406  # [   32.707701] RBP: ffffffffa6f821c7 R08: 0000000000000000 R09: 0000000000000000

 3370 13:52:57.269075  # [   32.715151] R10: 00000000ffffe000 R11: 3ff<6>[   33.058501] lkdtm: Performing direct entry EXCEPTION

 3371 13:52:57.272819  fffffffffffff R12: 0000000000000010

 3372 13:52:57.278811  # [   32.722601] R13: ffffacf9c0d83f10 R14: ffffacf9c0d83f10 R15: ffff89a1c6595000

 3373 13:52:57.288677  # [   32.730050] FS:  00007f693f0ca580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3374 13:52:57.298964  # [   32.738455] CS:  0010 DS: 0000 ES: <1>[   33.074817] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3375 13:52:57.302398  00<00 CR0: 0000000080050033

 3376 13:52:57.308830  # [   32.744521] CR2: 00007f693ee9a000 CR3: 0000000103da4000 CR4: 00000000001506e0

 3377 13:52:57.311897  # [   32.751965] Call Trace:

 3378 13:52:57.315183  # [   32.754758]  ? __warn+0x80/0x110

 3379 13:52:57.318508  # [   32.758320]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3380 13:52:57.328078  # [   32.763123]  ? re1>[   33.104184] #PF: supervisor write access in kernel mode

 3381 13:52:57.331523  <1>[   33.131849] #PF: error_code(0x0002) - not-present page

 3382 13:52:57.334719  port_bug+0x9e/0xc0

 3383 13:52:57.338355  # [   32.766990]  ? handle_bug+0x41/0x90

 3384 13:52:57.341625  # [   32.770834]  ? exc_invalid_op+0x14/0x70

 3385 13:52:57.344655  # [   32.775029]  ? asm_exc_invalid_op+0x12/0x20

 3386 13:52:57.351735  # [   32.779688]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3387 13:52:57.358111  # [   32.784521]  direct_entry.cold+0x2c/0x38<6>[   33.137238] PGD 0 P4D 0 

 3388 13:52:57.358195  

 3389 13:52:57.361521  # [   32.788741]  full_proxy_write+0x56/0x80

 3390 13:52:57.364725  # [   32.792842]  vfs_write+0xea/0x3b0

 3391 13:52:57.368293  # [   32.796430]  ksys_write+0x68/0xf0

 3392 13:52:57.371421  # [   32.800025]  do_syscall_64+0x33/0x40

 3393 13:52:57.377751  # [   32.803861]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3394 13:52:57.384842  # [   32.809172] RIP: 003<4>[   33.162211] Oops: 0002 [#2] SMP NOPTI

 3395 13:52:57.384927  3:0x7f693efa6473

 3396 13:52:57.404716  # [   32.813050] 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

 3397 13:52:57.414522  # [   32.832070] RSP<4>[   33.188333] CPU: 1 PID: 733 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 3398 13:52:57.420835  <4>[   33.218414] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3399 13:52:57.427697  : 002b:00007ffdc14017f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3400 13:52:57.433897  # [   32.839922] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f693efa6473

 3401 13:52:57.440900  # [   32.847352] RDX: 0000000000000010 RSI: 00007f693ee9a000 RDI: 0000000000000001

 3402 13:52:57.447610  # [   32.854769] RB<4>[   33.224591] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3403 13:52:57.454052  P: 00007f693ee9a000 R08: 00007f693ee99010 R09: 0000000000000000

 3404 13:52:57.460878  # [   32.862161] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3405 13:52:57.467325  # [   32.869552] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3406 13:52:57.487194  # [   32.876962] irq ev<4>[   33.251465] Code: 48 c7 c7 20 27 f8 a6 8d 70 01 89 35 71 64 0b 03 e8 8a ae 69 00 0f 0b e9 99 92 a8 00 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 e9 7b 92 a8 00 66 66 2e 0f 1f 84

 3407 13:52:57.489975  ent stamp: 0

 3408 13:52:57.497149  # [   32.880282] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3409 13:52:57.503223  # [   32.886811] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 3410 13:52:57.516655  # [   32.895244] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] cop<4>[   33.292645] RSP: 0018:ffffacf9c0e03e60 EFLAGS: 00010282

 3411 13:52:57.516762  y_<process+0x65c/0x20e0

 3412 13:52:57.523574  # [   32.903676] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3413 13:52:57.529766  # [   32.910213] ---[ end trace e32a66cc720e8157 ]---

 3414 13:52:57.533392  # WARNING_MESSAGE: saw 'message trigger': ok

 3415 13:52:57.536714  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh

 3416 13:52:57.546254  # selftests: l4>[   33.320308] RAX: ffffffffa597b870 RBX: 0000000000000004 RCX: 0000000000000000

 3417 13:52:57.553014  <4>[   33.349877] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80e0

 3418 13:52:57.553124  kdtm: EXCEPTION.sh

 3419 13:52:57.562944  <4>[   33.357260] RBP: ffffffffa6e75e97 R08: 0000000000000000 R09: 0000000000000000

 3420 13:52:57.569568  <4>[   33.366373] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3421 13:52:57.576268  <4>[   33.373757] R13: ffffacf9c0e03f10 R14: ffffacf9c0e03f10 R15: ffff89a1c56cb000

 3422 13:52:57.586433  <4>[   33.381139] FS:  00007fd0a85213c0(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3423 13:52:57.589544  <4>[   33.389476] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3424 13:52:57.599093  <4>[   33.395471] CR2: 0000000000000000 CR3: 000000010574e000 CR4: 00000000001506e0

 3425 13:52:57.599202  <4>[   33.402856] Call Trace:

 3426 13:52:57.606049  <4>[   33.405568]  ? __die_body.cold+0x1a/0x1f

 3427 13:52:57.609207  <4>[   33.409751]  ? no_context+0x177/0x380

 3428 13:52:57.612836  <4>[   33.413671]  ? exc_page_fault+0x53/0x170

 3429 13:52:57.618974  <4>[   33.417848]  ? asm_exc_page_fault+0x1e/0x30

 3430 13:52:57.622665  <4>[   33.422285]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3431 13:52:57.625878  <4>[   33.426982]  ? lkdtm_EXCEPTION+0x5/0x20

 3432 13:52:57.629142  <4>[   33.431075]  direct_entry.cold+0x2c/0x38

 3433 13:52:57.635818  <4>[   33.435256]  full_proxy_write+0x56/0x80

 3434 13:52:57.638990  <4>[   33.439349]  vfs_write+0xea/0x3b0

 3435 13:52:57.642256  <4>[   33.442921]  ksys_write+0x68/0xf0

 3436 13:52:57.645846  <4>[   33.446492]  do_syscall_64+0x33/0x40

 3437 13:52:57.652391  <4>[   33.450323]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3438 13:52:57.655725  <4>[   33.455629] RIP: 0033:0x7fd0a83fe473

 3439 13:52:57.672096  <4>[   33.459459] 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

 3440 13:52:57.682179  <4>[   33.478457] RSP: 002b:00007ffe34261d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3441 13:52:57.688916  <4>[   33.486276] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd0a83fe473

 3442 13:52:57.695319  <4>[   33.493659] RDX: 000000000000000a RSI: 00007fd0a82f2000 RDI: 0000000000000001

 3443 13:52:57.705380  <4>[   33.501043] RBP: 00007fd0a82f2000 R08: 00007fd0a82f1010 R09: 0000000000000000

 3444 13:52:57.711802  <4>[   33.508425] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3445 13:52:57.718342  <4>[   33.515809] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3446 13:52:57.757933  <4>[   33.523198] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3447 13:52:57.761589  <4>[   33.563126] CR2: 0000000000000000

 3448 13:52:57.767846  <4>[   33.566760] ---[ end trace e32a66cc720e8158 ]---

 3449 13:52:57.771082  <4>[   33.571660] RIP: 0010:lkdtm_BUG+0x5/0x10

 3450 13:52:57.791048  <4>[   33.575977] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 3451 13:52:57.794356  <4>[   33.595006] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 3452 13:52:57.804274  <4>[   33.600579] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 3453 13:52:57.811067  <4>[   33.608030] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 3454 13:52:57.817432  <4>[   33.615490] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 3455 13:52:57.824086  <4>[   33.622938] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3456 13:52:57.834085  <4>[   33.630393] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 3457 13:52:57.840292  <4>[   33.637840] FS:  00007fd0a85213c0(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3458 13:52:57.847155  <4>[   33.646245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3459 13:52:57.853833  <4>[   33.652301] CR2: 0000000000000000 CR3: 000000010574e000 CR4: 00000000001506e0

 3460 13:52:58.294654  <6>[   34.094113] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3461 13:52:58.298137  # Killed

 3462 13:52:58.301253  # [   33.058501] lkdtm: Performing direct entry EXCEPTION

 3463 13:52:58.307907  # [   33.074817] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3464 13:52:58.314816  # [   33.104184] #PF: supervisor write access in kernel mode

 3465 13:52:58.321011  # [   33.131849] #PF: error_code(0x0002) - <6>[   34.099953] lkdtm: attempting good list addition

 3466 13:52:58.324547  not-present page

 3467 13:52:58.327787  # [   33.137238] PGD 0 P4D 0 

 3468 13:52:58.331058  # [   33.162211] Oops: 0002 [#2] SMP NOPTI

 3469 13:52:58.337460  # [   33.188333] CPU: 1 PID: 733 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 3470 13:52:58.344239  # [   33.218414] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3471 13:52:58.351115  # [<6>[   34.127028] lkdtm: attempting corrupted list addition

 3472 13:52:58.354476     33.224591] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3473 13:52:58.377430  # [   33.251465] Code: 48 c7 c7 20 27 f8 a6 8d 70 01 89 35 71 64 0b 03 e8 8a ae 69 00 0f 0b e9 99 92 a8 00 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 e9 7b 92 a8 00 66 66 2<3>[   34.154528] lkdtm: list_add() corruption not detected!

 3474 13:52:58.377972  e 0f 1f 84

 3475 13:52:58.383723  # [   33.292645] RSP: 0018:ffffacf9c0e03e60 EFLAGS: 00010282

 3476 13:52:58.390461  # [   33.320308] RAX: ffffffffa597b870 RBX: 0000000000000004 RCX: 0000000000000000

 3477 13:52:58.397542  # [   33.349877] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80e0

 3478 13:52:58.407232  # [   33.357260] RBP: ffffffffa6e75e97 R08: 0000000000000000 R09: 0000000000000000

 3479 13:52:58.413893  # [   33.366373] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3480 13:52:58.420364  # [   33.373757] R13: ffffacf9c0e03f10 R14: ffffacf9c0e03f10 R15: ffff89a1c56cb000

 3481 13:52:58.430084  # [   33.381139] FS:  00007fd0a85213c0(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3482 13:52:58.433425  # [   33.389476] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3483 13:52:58.443565  # [   33.395471] CR2: 0000000000000000 CR3: 000000010574e000 CR4: 00000000001506e0

 3484 13:52:58.444059  # [   33.402856] Call Trace:

 3485 13:52:58.450238  # [   33.405568]  ? __die_body.cold+0x1a/0x1f

 3486 13:52:58.453372  # [   33.409751]  ? no_context+0x177/0x380

 3487 13:52:58.456492  # [   33.413671]  ? exc_page_fault+0x53/0x170

 3488 13:52:58.460087  # [   33.417848]  ? asm_exc_page_fault+0x1e/0x30

 3489 13:52:58.466872  # [   33.422285]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3490 13:52:58.469643  # [   33.426982]  ? lkdtm_EXCEPTION+0x5/0x20

 3491 13:52:58.473090  # [   33.431075]  direct_entry.cold+0x2c/0x38

 3492 13:52:58.476730  # [   33.435256]  full_proxy_write+0x56/0x80

 3493 13:52:58.479926  # [   33.439349]  vfs_write+0xea/0x3b0

 3494 13:52:58.483577  # [   33.442921]  ksys_write+0x68/0xf0

 3495 13:52:58.490184  # [   33.446492]  do_syscall_64+0x33/0x40

 3496 13:52:58.493396  # [   33.450323]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3497 13:52:58.496421  # [   33.455629] RIP: 0033:0x7fd0a83fe473

 3498 13:52:58.516352  # [   33.459459] 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

 3499 13:52:58.523229  # [   33.478457] RSP: 002b:00007ffe34261d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3500 13:52:58.529651  # [   33.486276] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd0a83fe473

 3501 13:52:58.539454  # [   33.493659] RDX: 000000000000000a RSI: 00007fd0a82f2000 RDI: 0000000000000001

 3502 13:52:58.545799  # [   33.501043] RBP: 00007fd0a82f2000 R08: 00007fd0a82f1010 R09: 0000000000000000

 3503 13:52:58.552729  # [   33.508425] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3504 13:52:58.559287  # [   33.515809] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3505 13:52:58.582439  # [   33.523198] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc video<6>[   34.360144] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3506 13:52:58.609106  buf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2<6>[   34.387618] lkdtm: attempting good list removal

 3507 13:52:58.611867  c

 3508 13:52:58.615354  # [   33.563126] CR2: 0000000000000000

 3509 13:52:58.618513  # [   33.566760] ---[ end trace e32a66cc720e8158 ]---

 3510 13:52:58.621805  # [   33.571660] RIP: 0010:lkdtm_BUG+0x5/0x10

 3511 13:52:58.638666  # [   33.575977] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 48 c<6>[   34.414626] lkdtm: attempting corrupted list removal

 3512 13:52:58.648366  7 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 a0 64 0b 03

 3513 13:52:58.651483  # [   33.595006] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 3514 13:52:58.657986  # [   33.600579] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 3515 13:52:58.664634  # [<3>[   34.441988] lkdtm: list_del() corruption not detected!

 3516 13:52:58.671442     33.608030] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 3517 13:52:58.677822  # [   33.615490] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 3518 13:52:58.687549  # [   33.622938] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3519 13:52:58.694348  # [   33.630393] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 3520 13:52:58.700956  # [   33.637840] FS:  00007fd0a85213c0(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3521 13:52:58.707330  # [   33.646245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3522 13:52:58.714381  # [   33.652301] CR2: 0000000000000000 CR3: 000000010574e000 CR4: 00000000001506e0

 3523 13:52:58.717634  # EXCEPTION: saw 'call trace:': ok

 3524 13:52:58.720617  ok 5 selftests: lkdtm: EXCEPTION.sh

 3525 13:52:58.723943  # selftests: lkdtm: LOOP.sh

 3526 13:52:58.727047  # Skipping LOOP: Hangs the system

 3527 13:52:58.731050  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 3528 13:52:58.733925  # selftests: lkdtm: EXHAUST_STACK.sh

 3529 13:52:58.737059  # Skipping EXHAUST_STACK: Corrupts memory on failure

 3530 13:52:58.743887  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 3531 13:52:58.747322  # selftests: lkdtm: CORRUPT_STACK.sh

 3532 13:52:58.750408  # Skipping CORRUPT_STACK: Crashes entire system on success

 3533 13:52:58.753567  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP

 3534 13:52:58.760358  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 3535 13:52:58.763491  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 3536 13:52:58.769995  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 3537 13:52:58.773790  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 3538 13:52:58.780019  # [   34.094113] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3539 13:52:58.783116  # [   34.099953] lkdtm: attempting good list addition

 3540 13:52:58.789858  # [   34.127028] lkdtm: attempting corrupted list addition

 3541 13:52:58.793305  # [   34.154528] lkdtm: list_add() corruption not detected!

 3542 13:52:58.803154  # CORRUPT_LIST_ADD: missing 'list_add corru<6>[   34.593833] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3543 13:52:58.806356  ption': [FAIL]

 3544 13:52:58.810327  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 3545 13:52:58.813226  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 3546 13:52:58.820227  # [   34.360144] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3547 13:52:58.822993  # [   34.387618] lkdtm: attempting good list removal

 3548 13:52:58.833311  # [   34.414626] lkdt<6>[   34.609154] lkdtm: attempting bad read from page below current stack

 3549 13:52:58.836827  m: attempting corrupted list removal

 3550 13:52:58.842982  # [   34.441988] lkdtm: list_del() corruption not detected!

 3551 13:52:58.846630  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]

 3552 13:52:58.853204  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 3553 13:52:58.866432  # selftests: lkdtm: STACK_GUARD_PAGE_LEA<0>[   34.637991] BUG: stack guard page was hit at 000000004f6e69b7 (stack is 000000001e8a88f7..00000000302d757f)

 3554 13:52:58.866524  DING.sh

 3555 13:52:58.873031  <4>[   34.670118] kernel stack overflow (page fault): 0000 [#3] SMP NOPTI

 3556 13:52:58.879328  <4>[   34.677411] CPU: 1 PID: 965 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 3557 13:52:58.885667  <4>[   34.685314] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3558 13:52:58.892557  <4>[   34.691489] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3559 13:52:58.912106  <4>[   34.697573] Code: 69 3a 00 0f 1f 44 00 00 53 48 c7 c7 c0 2a f8 a6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 0a df fb ff 48 c7 c7 00 2b f8 a6 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 f0 de fb ff 0f 1f 44

 3560 13:52:58.918786  <4>[   34.716569] RSP: 0018:ffffacf9c117be50 EFLAGS: 00010246

 3561 13:52:58.925653  <4>[   34.722047] RAX: 0000000000000038 RBX: ffffacf9c1178000 RCX: 0000000000000000

 3562 13:52:58.932275  <4>[   34.729429] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6f82b00

 3563 13:52:58.938495  <4>[   34.736812] RBP: ffffffffa6f8222a R08: 0000000000000000 R09: 0000000000000000

 3564 13:52:58.945441  <4>[   34.744213] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3565 13:52:58.955380  <4>[   34.751596] R13: ffffacf9c117bf10 R14: ffffacf9c117bf10 R15: ffff89a1c5d3e000

 3566 13:52:58.962074  <4>[   34.758978] FS:  00007f66b646b580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3567 13:52:58.968968  <4>[   34.767314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3568 13:52:58.975413  <4>[   34.773311] CR2: ffffacf9c1177fff CR3: 0000000105cb0000 CR4: 00000000001506e0

 3569 13:52:58.978675  <4>[   34.780692] Call Trace:

 3570 13:52:58.982271  <4>[   34.783395]  <#DF>

 3571 13:52:58.985336  <4>[   34.785670]  ? __die_body.cold+0x1a/0x1f

 3572 13:52:58.988830  <4>[   34.789850]  ? die+0x2b/0x50

 3573 13:52:58.992031  <4>[   34.792986]  ? handle_stack_overflow+0x3e/0x4d

 3574 13:52:58.995663  <4>[   34.797686]  ? no_context+0x24d/0x380

 3575 13:52:58.998778  <4>[   34.801601]  </#DF>

 3576 13:52:59.038551  <4>[   34.803956] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3577 13:52:59.045148  <4>[   34.843876] ---[ end trace e32a66cc720e8159 ]---

 3578 13:52:59.048206  <4>[   34.848748] RIP: 0010:lkdtm_BUG+0x5/0x10

 3579 13:52:59.068360  <4>[   34.852924] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 3580 13:52:59.071590  <4>[   34.871920] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 3581 13:52:59.081512  <4>[   34.877395] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 3582 13:52:59.088455  <4>[   34.884778] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 3583 13:52:59.094561  <4>[   34.892160] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 3584 13:52:59.101637  <4>[   34.899542] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3585 13:52:59.111385  <4>[   34.906922] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 3586 13:52:59.117818  <4>[   34.914304] FS:  00007f66b646b580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3587 13:52:59.124625  <4>[   34.922638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3588 13:52:59.131228  <4>[   34.928634] CR2: ffffacf9c1177fff CR3: 0000000105cb0000 CR4: 00000000001506e0

 3589 13:52:59.141018  <3>[   34.936019] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3590 13:52:59.147850  <3>[   34.945135] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 965, name: cat

 3591 13:52:59.150920  <4>[   34.952864] INFO: lockdep is turned off.

 3592 13:52:59.153917  <4>[   34.957041] irq event stamp: 0

 3593 13:52:59.160590  <4>[   34.960352] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3594 13:52:59.170504  <4>[   34.966869] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 3595 13:52:59.180668  <4>[   34.975291] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 3596 13:52:59.183691  <4>[   34.983715] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3597 13:52:59.193746  <4>[   34.990230] CPU: 1 PID: 965 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 3598 13:52:59.200637  <4>[   34.998132] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3599 13:52:59.203616  <4>[   35.004300] Call Trace:

 3600 13:52:59.206857  <4>[   35.007006]  dump_stack+0x77/0x9b

 3601 13:52:59.210289  <4>[   35.010597]  ___might_sleep.cold+0xa6/0xb6

 3602 13:52:59.213447  <4>[   35.014951]  exit_signals+0x1c/0x300

 3603 13:52:59.217174  <4>[   35.018782]  do_exit+0xc2/0xab0

 3604 13:52:59.220233  <4>[   35.022179]  ? ksys_write+0x68/0xf0

 3605 13:52:59.223706  <4>[   35.025922]  make_task_dead+0x2f/0x30

 3606 13:52:59.230427  <4>[   35.029838]  rewind_stack_and_make_dead+0x17/0x20

 3607 13:52:59.233545  <4>[   35.034795] RIP: 0033:0x7f66b6346473

 3608 13:52:59.253632  <4>[   35.038624] 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

 3609 13:52:59.260064  <4>[   35.057640] RSP: 002b:00007ffc7e7ebc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3610 13:52:59.266950  <4>[   35.065458] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f66b6346473

 3611 13:52:59.276966  <4>[   35.072841] RDX: 0000000000000019 RSI: 00007f66b623a000 RDI: 0000000000000001

 3612 13:52:59.283057  <4>[   35.080224] RBP: 00007f66b623a000 R08: 00007f66b6239010 R09: 0000000000000000

 3613 13:52:59.289833  <4>[   35.087605] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3614 13:52:59.296260  <4>[   35.094988] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3615 13:52:59.299835  # Segmentation fault

 3616 13:52:59.333867  # [   34.593833] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3617 13:52:59.340179  # [   34.609154] lkdtm: attempting bad read from page below current stack

 3618 13:52:59.350207  # [   34.637991] BUG: stack guard page was hit at 000000004f6e69b7 (stack is 000000001e8a88f7..00000000302d757f)

 3619 13:52:59.357089  # [   34.670118] kernel stack overflow (page fault): 0000 [#3] SMP NOPTI

 3620 13:52:59.366547  # [   34.677411] CPU: 1 PID: 965 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 3621 13:52:59.373166  # [   34.685314] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3622 13:52:59.376778  # [   34.691489] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3623 13:52:59.396218  # [   34.697573] Code: 69 3a 00 0f 1f 44 00 00 53 48 c7 c7 c0 2a f8 a6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 0a df fb ff 48 c7 c7 00 2b f8 a6 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 f0 de fb ff 0f 1f 44

 3624 13:52:59.403009  # [   34.716569] RSP: 0018:ffffacf9c117be50 EFLAGS: 00010246

 3625 13:52:59.409896  # [   34.722047] RAX: 0000000000000038 RBX: ffffacf9c1178000 RCX: 0000000000000000

 3626 13:52:59.416172  # [   34.729429] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6f82b00

 3627 13:52:59.422732  # [   34.736812] RBP: ffffffffa6f8222a R08: 0000000000000000 R09: 0000000000000000

 3628 13:52:59.433015  # [   34.744213] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3629 13:52:59.439304  # [   34.751596] R13: ffffacf9c117bf10 R14: ffffacf9c117bf10 R15: ffff89a1c5d3e000

 3630 13:52:59.446224  # [   34.758978] FS:  00007f66b646b580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3631 13:52:59.456035  # [   34.767314] CS:  0010 DS: 0000 ES: 0000 CR0:<6>[   35.239852] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3632 13:52:59.459193   0000000080050033

 3633 13:52:59.465876  # [   34.773311] CR2: ffffacf9c1177fff CR3: 0000000105cb0000 CR4: 00000000001506e0

 3634 13:52:59.469526  # [   34.780692] Call Trace:

 3635 13:52:59.472363  # [   34.783395]  <#DF>

 3636 13:52:59.475845  # [   34.785670]  ? __die_body.cold+0x1a/0x1f

 3637 13:52:59.479321  # [   34.789850]  ? die+0x2b/0x50

 3638 13:52:59.485604  # [   34.792986]<6>[   35.262287] lkdtm: attempting bad read from page above current stack

 3639 13:52:59.489278    ? handle_stack_overflow+0x3e/0x4d

 3640 13:52:59.492453  # [   34.797686]  ? no_context+0x24d/0x380

 3641 13:52:59.495869  # [   34.801601]  </#DF>

 3642 13:52:59.519307  # [   34.803956] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_charde<0>[   35.291096] BUG: stack guard page was hit at 00000000eca77da7 (stack is 00000000edb72db1..000000005fc22de8)

 3643 13:52:59.545405  v gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table sn<4>[   35.323234] kernel stack overflow (page fault): 0000 [#4] SMP NOPTI

 3644 13:52:59.552201  d_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3645 13:52:59.555731  # [   34.843876] ---[ end trace e32a66cc720e8159 ]---

 3646 13:52:59.561993  # [   34.848748] RIP: 0010:lkdtm_BUG+0x5/0x10

 3647 13:52:59.578350  # [   34.852924] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92<4>[   35.351935] CPU: 1 PID: 999 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 3648 13:52:59.588277   a<8 00 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 a0 64 0b 03

 3649 13:52:59.591897  # [   34.871920] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 3650 13:52:59.605154  # [   34.877395] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 00000000004>[   35.382018] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3651 13:52:59.605240  000000

 3652 13:52:59.614733  # [   34.884778] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 3653 13:52:59.621300  # [   34.892160] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 3654 13:52:59.634833  # [   34.899542] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000<4>[   35.410387] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3655 13:52:59.634918  04

 3656 13:52:59.641275  # [   34.906922] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 3657 13:52:59.651380  # [   34.914304] FS:  00007f66b646b580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3658 13:52:59.654440  # [   34.922638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3659 13:52:59.674511  # [  <4>[   35.438739] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 38 2b f8 a6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 d0 de fb ff 48 c7 c7 78 2b f8 a6 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 b3 de fb ff

 3660 13:52:59.681077   34.928634] CR2: ffffacf9c1177fff CR3: 0000000105cb0000 CR4: 00000000001506e0

 3661 13:52:59.690972  # [   34.936019] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3662 13:52:59.704498  # [   34.945135] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 9<4>[   35.479922] RSP: 0018:ffffacf9c120be50 EFLAGS: 00010246

 3663 13:52:59.711081  <4>[   35.507583] RAX: 0000000000000038 RBX: ffffacf9c1208000 RCX: 0000000000000000

 3664 13:52:59.711170  65, name: cat

 3665 13:52:59.714188  # [   34.952864] INFO: lockdep is turned off.

 3666 13:52:59.717327  # [   34.957041] irq event stamp: 0

 3667 13:52:59.724352  # [   34.960352] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3668 13:52:59.740699  # [   34.966869] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0<4>[   35.514965] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6f82b78

 3669 13:52:59.747357  <4>[   35.544530] RBP: ffffffffa6f82243 R08: 0000000000000000 R09: 0000000000000000

 3670 13:52:59.747482  x65c/0x20e0

 3671 13:52:59.757577  # [   34.975291] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 3672 13:52:59.763831  # [   34.983715] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3673 13:52:59.777422  # [   34.990230] CPU: 1 PID: 965 Comm: cat Tainted: G      D W         5.<4>[   35.551912] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3674 13:52:59.784316  <4>[   35.581479] R13: ffffacf9c120bf10 R14: ffffacf9c120bf10 R15: ffff89a1c3d95000

 3675 13:52:59.786989  10.201-cip41 #1

 3676 13:52:59.790493  # [   34.998132] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3677 13:52:59.793719  # [   35.004300] Call Trace:

 3678 13:52:59.797250  # [   35.007006]  dump_stack+0x77/0x9b

 3679 13:52:59.803602  # [   35.010597]  ___might_sleep.cold+0xa6/0xb6

 3680 13:52:59.806833  # [   35.014951]  exit_signals+0x1c/0x300

 3681 13:52:59.813563  # [   3<4>[   35.588862] FS:  00007fbfd5e2d580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3682 13:52:59.817189  5.018782]  do_exit+0xc2/0xab0

 3683 13:52:59.820183  # [   35.022179]  ? ksys_write+0x68/0xf0

 3684 13:52:59.827087  # [   35.025922]  make_task_dead+0x2f/0x30

 3685 13:52:59.830148  # [   35.029838]  rewind_stack_and_make_dead+0x17/0x20

 3686 13:52:59.833251  # [   35.034795] RIP: 0033:0x7f66b6346473

 3687 13:52:59.843044  # [   35.038624] Code: 8b 15 21 2a 0e 00<4>[   35.619382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3688 13:52:59.859899   f<7 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

 3689 13:52:59.873244  # [   35.057640] RSP: 002b:00007ffc7e7ebc78 EFLAGS: 00000246 ORIG_RAX: 00000004>[   35.647564] CR2: ffffacf9c120c000 CR3: 000000010272c000 CR4: 00000000001506e0

 3690 13:52:59.873747  00<0000001

 3691 13:52:59.879509  # [   35.065458] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f66b6346473

 3692 13:52:59.889187  # [   35.072841] RDX: 0000000000000019 RSI: 00007f66b623a000 RDI: 0000000000000001

 3693 13:52:59.896264  # [   35.080224] RBP: 00007f66b623a000 R08: 00007f66b6239010 R09: 000000000004>[   35.677134] Call Trace:

 3694 13:52:59.899479  00000

 3695 13:52:59.906172  # [   35.087605] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3696 13:52:59.912669  # [   35.094988] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3697 13:52:59.916070  # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok

 3698 13:52:59.922392  ok 12 selftests: lkdtm: STACK_<4>[   35.702027]  <#DF>

 3699 13:52:59.925514  GUARD_PAGE_LEADING.sh

 3700 13:52:59.929417  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3701 13:52:59.932660  <4>[   35.726488]  ? __die_body.cold+0x1a/0x1f

 3702 13:52:59.935858  <4>[   35.736990]  ? die+0x2b/0x50

 3703 13:52:59.939089  <4>[   35.740131]  ? handle_stack_overflow+0x3e/0x4d

 3704 13:52:59.945781  <4>[   35.744833]  ? no_context+0x24d/0x380

 3705 13:52:59.946293  <4>[   35.748749]  </#DF>

 3706 13:52:59.985184  <4>[   35.751107] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3707 13:52:59.992087  <4>[   35.791038] ---[ end trace e32a66cc720e815a ]---

 3708 13:52:59.995056  <4>[   35.795913] RIP: 0010:lkdtm_BUG+0x5/0x10

 3709 13:53:00.014917  <4>[   35.800091] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 3710 13:53:00.021355  <4>[   35.819090] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 3711 13:53:00.028047  <4>[   35.824568] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 3712 13:53:00.034465  <4>[   35.831952] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 3713 13:53:00.041320  <4>[   35.839338] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 3714 13:53:00.047628  <4>[   35.846721] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3715 13:53:00.057599  <4>[   35.854106] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 3716 13:53:00.064291  <4>[   35.861491] FS:  00007fbfd5e2d580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3717 13:53:00.071216  <4>[   35.869830] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3718 13:53:00.077621  <4>[   35.875826] CR2: ffffacf9c120c000 CR3: 000000010272c000 CR4: 00000000001506e0

 3719 13:53:00.294613  <6>[   36.094128] lkdtm: Performing direct entry UNSET_SMEP

 3720 13:53:00.297810  # Segmentation fault

 3721 13:53:00.304297  # [   35.239852] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3722 13:53:00.310972  # [   35.262287] lkdtm: attempting bad read from page above current stack

 3723 13:53:00.320555  # [   35.291096] BUG: stack guard page was hit at 00000000eca77da7 (stack is 0000000<6>[   36.099453] lkdtm: trying to clear SMEP normally

 3724 13:53:00.324323  0edb72db1..000000005fc22de8)

 3725 13:53:00.330472  # [   35.323234] kernel stack overflow (page fault): 0000 [#4] SMP NOPTI

 3726 13:53:00.337367  # [   35.351935] CPU: 1 PID: 999 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 3727 13:53:00.347125  # [   35.382018] Hardware name: Google Grunt/Grunt, BIOS  09/0<4>[   36.126529] ------------[ cut here ]------------

 3728 13:53:00.350865  5/2019

 3729 13:53:00.356965  # [   35.410387] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3730 13:53:00.376726  # [   35.438739] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 38 2b f8 a6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 d0 de fb ff 48 c7 c7 78 2b f8 a6 <8a> 83 00 40 00 00 88 44 24 <4>[   36.153588] pinned CR4 bits changed: 0x100000!?

 3731 13:53:00.380129  07 0f b6 74 24 07 5a 5b e9 b3 de fb ff

 3732 13:53:00.383303  # [   35.479922] RSP: 0018:ffffacf9c120be50 EFLAGS: 00010246

 3733 13:53:00.393389  # [   35.507583] RAX: 0000000000000038 RBX: ffffacf9c1208000 RCX: 0000000000000000

 3734 13:53:00.406570  # [   35.514965] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffff<4>[   36.180548] WARNING: CPU: 1 PID: 1036 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60

 3735 13:53:00.410136  ffffa6f82b78

 3736 13:53:00.416551  # [   35.544530] RBP: ffffffffa6f82243 R08: 0000000000000000 R09: 0000000000000000

 3737 13:53:00.423087  # [   35.551912] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3738 13:53:00.469516  # [   35.581479] R13: ffffacf9c120bf10 R14: ffffacf9c120bf10 R15: ffff89a1<4>[   36.212098] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3739 13:53:00.469612  c3d95000

 3740 13:53:00.479140  # [   35.588862] FS:  00007fbfd5e2d580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3741 13:53:00.485959  # [   35.619382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3742 13:53:00.492830  # [   35.647564] CR2: ffffacf9c120c000 CR3: 000000010272c000 CR4: 00000000001506e0

 3743 13:53:00.499355  <4>[   36.274178] CPU: 1 PID: 1036 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 3744 13:53:00.499443  

 3745 13:53:00.502449  # [   35.677134] Call Trace:

 3746 13:53:00.505682  # [   35.702027]  <#DF>

 3747 13:53:00.508985  # [   35.726488]  ? __die_body.cold+0x1a/0x1f

 3748 13:53:00.512493  # [   35.736990]  ? die+0x2b/0x50

 3749 13:53:00.515849  # [   35.740131]  ? handle_stack_overflow+0x3e/0x4d

 3750 13:53:00.518951  # [   35.744833]  ? no_context+0x24d/0x380

 3751 13:53:00.528955  # [   35.748749]  </#<4>[   36.304351] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3752 13:53:00.529040  DF>

 3753 13:53:00.555348  # [   35.751107] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designw<4>[   36.332709] RIP: 0010:native_write_cr4+0x45/0x60

 3754 13:53:00.571595  are_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3755 13:53:00.595053  # [   35.791038] ---[ end trace e32a66cc720e815a<4>[   36.359755] Code: 39 c2 75 2d 48 85 f6 75 05 e9 a7 29 54 01 80 3d 78 5e 66 02 00 75 f2 48 c7 c7 38 ff e7 a6 c6 05 68 5e 66 02 01 e8 75 45 15 01 <0f> 0b e9 84 29 54 01 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3756 13:53:00.598046   ]---

 3757 13:53:00.601592  # [   35.795913] RIP: 0010:lkdtm_BUG+0x5/0x10

 3758 13:53:00.624686  # [   35.800091] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 <4>[   36.400947] RSP: 0018:ffffacf9c129be48 EFLAGS: 00010286

 3759 13:53:00.624772  05 a0 64 0b 03

 3760 13:53:00.631036  # [   35.819090] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 3761 13:53:00.638014  # [   35.824568] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 3762 13:53:00.644317  # [   35.831952] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 3763 13:53:00.654171  # [   35.8<4>[   36.428636] RAX: 0000000000000000 RBX: 00000000000506e0 RCX: 0000000000000000

 3764 13:53:00.660953  39338] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 3765 13:53:00.667645  # [   35.846721] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3766 13:53:00.673972  # [   35.854106] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 3767 13:53:00.683959  # [   35.86149<4>[   36.458291] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 3768 13:53:00.690470  1] FS:  00007fbfd5e2d580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3769 13:53:00.697345  # [   35.869830] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3770 13:53:00.704321  # [   35.875826] CR2: ffffacf9c120c000 CR3: 000000010272c000 CR4: 00000000001506e0

 3771 13:53:00.714267  # STACK_GUARD_PAGE_TRAI<4>[   36.487794] RBP: ffffffffa6f8225d R08: 0000000000000000 R09: 0000000000000000

 3772 13:53:00.714359  LING: saw 'call trace:': ok

 3773 13:53:00.720472  ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3774 13:53:00.723810  # selftests: lkdtm: UNSET_SMEP.sh

 3775 13:53:00.730363  <4>[   36.517463] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3776 13:53:00.737184  <4>[   36.535033] R13: ffffacf9c129bf10 R14: ffffacf9c129bf10 R15: ffff89a1c3f21000

 3777 13:53:00.747260  <4>[   36.542501] FS:  00007f2c652f2580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3778 13:53:00.753463  <4>[   36.550877] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3779 13:53:00.760291  <4>[   36.556932] CR2: 00007f2c650f2000 CR3: 00000001028c0000 CR4: 00000000001506e0

 3780 13:53:00.763735  <4>[   36.564349] Call Trace:

 3781 13:53:00.766798  <4>[   36.567104]  ? __warn+0x80/0x110

 3782 13:53:00.769819  <4>[   36.570615]  ? native_write_cr4+0x45/0x60

 3783 13:53:00.773304  <4>[   36.574939]  ? report_bug+0x9e/0xc0

 3784 13:53:00.776606  <4>[   36.578719]  ? handle_bug+0x41/0x90

 3785 13:53:00.783281  <4>[   36.582500]  ? exc_invalid_op+0x14/0x70

 3786 13:53:00.786544  <4>[   36.586628]  ? asm_exc_invalid_op+0x12/0x20

 3787 13:53:00.790415  <4>[   36.591117]  ? native_write_cr4+0x45/0x60

 3788 13:53:00.796514  <4>[   36.595423]  ? native_write_cr4+0x45/0x60

 3789 13:53:00.799987  <4>[   36.599745]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3790 13:53:00.803168  <4>[   36.604392]  direct_entry.cold+0x2c/0x38

 3791 13:53:00.807038  <4>[   36.608654]  full_proxy_write+0x56/0x80

 3792 13:53:00.813459  <4>[   36.612770]  vfs_write+0xea/0x3b0

 3793 13:53:00.816659  <4>[   36.616348]  ksys_write+0x68/0xf0

 3794 13:53:00.819905  <4>[   36.619970]  do_syscall_64+0x33/0x40

 3795 13:53:00.822954  <4>[   36.623816]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3796 13:53:00.829628  <4>[   36.629127] RIP: 0033:0x7f2c651fe473

 3797 13:53:00.846778  <4>[   36.632965] 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

 3798 13:53:00.856473  <4>[   36.651989] RSP: 002b:00007ffecfe4e558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3799 13:53:00.863131  <4>[   36.659819] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2c651fe473

 3800 13:53:00.870227  <4>[   36.667211] RDX: 000000000000000b RSI: 00007f2c650f2000 RDI: 0000000000000001

 3801 13:53:00.876481  <4>[   36.674602] RBP: 00007f2c650f2000 R08: 00007f2c650f1010 R09: 0000000000000000

 3802 13:53:00.886548  <4>[   36.682010] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3803 13:53:00.893260  <4>[   36.689400] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3804 13:53:00.896373  <4>[   36.696814] irq event stamp: 0

 3805 13:53:00.902934  <4>[   36.700132] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3806 13:53:00.909728  <4>[   36.706661] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 3807 13:53:00.919864  <4>[   36.715119] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 3808 13:53:00.926051  <4>[   36.723563] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3809 13:53:00.929250  <4>[   36.730099] ---[ end trace e32a66cc720e815b ]---

 3810 13:53:00.936023  <6>[   36.734978] lkdtm: ok: SMEP did not get cleared

 3811 13:53:00.939437  <6>[   36.739767] lkdtm: trying to clear SMEP with call gadget

 3812 13:53:00.946145  <6>[   36.745340] lkdtm: ok: SMEP removal was reverted

 3813 13:53:00.975260  # [   36.094128] lkdtm: Performing direct entry UNSET_SMEP

 3814 13:53:00.981709  # [   36.099453] lkdtm: trying to clear SMEP normally

 3815 13:53:00.985176  # [   36.126529] ------------[ cut here ]------------

 3816 13:53:00.988216  # [   36.153588] pinned CR4 bits changed: 0x100000!?

 3817 13:53:00.998216  # [   36.180548] WARNING: CPU: 1 PID: 1036 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60

 3818 13:53:01.038017  # [   36.212098] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3819 13:53:01.047976  # [   36.274178] CPU: 1 PID: 1036 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 3820 13:53:01.051040  # [   36.304351] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3821 13:53:01.058064  # [   36.332709] RIP: 0010:native_write_cr4+0x45/0x60

 3822 13:53:01.077345  # [   36.359755] Code: 39 c2 75 2d 48 85 f6 75 05 e9 a7 29 54 01 80 3d 78 5e 66 02 00 75 f2 48 c7 c7 38 ff e7 a6 c6 05 68 5e 66 02 01 e8 75 45 15 01 <0f> 0b e9 84 29 54 01 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3823 13:53:01.080885  # [   36.400947] RSP: 0018:ffffacf9c129be48 EFLAGS: 00010286

 3824 13:53:01.087631  # [   36.428636] RAX: 0000000000000000 RBX: 00000000000506e0 RCX: 0000000000000000

 3825 13:53:01.100524  # [   36.458291] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf<6>[   36.895730] lkdtm: Performing direct entry DOUBLE_FAULT

 3826 13:53:01.101090  50

 3827 13:53:01.110109  # [   36.487794] RBP: ffffffffa6f8225d R08: 0000000000000000 R09: 0000000000000000

 3828 13:53:01.116968  # [   36.517463] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3829 13:53:01.123114  # [   36.535033] R13: ffffacf9c129bf10 R14: ffffacf9c129bf10 R15: ffff89a1c3f21000

 3830 13:53:01.126665  <3>[   36.905625] lkdtm: XFAIL: this test is ia32-only

 3831 13:53:01.136575  # [   36.542501] FS:  00007f2c652f2580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3832 13:53:01.143079  # [   36.550877] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3833 13:53:01.149504  # [   36.556932] CR2: 00007f2c650f2000 CR3: 00000001028c0000 CR4: 00000000001506e0

 3834 13:53:01.153236  # [   36.564349] Call Trace:

 3835 13:53:01.156112  # [   36.567104]  ? __warn+0x80/0x110

 3836 13:53:01.159729  # [   36.570615]  ? native_write_cr4+0x45/0x60

 3837 13:53:01.162851  # [   36.574939]  ? report_bug+0x9e/0xc0

 3838 13:53:01.166542  # [   36.578719]  ? handle_bug+0x41/0x90

 3839 13:53:01.169542  # [   36.582500]  ? exc_invalid_op+0x14/0x70

 3840 13:53:01.176047  # [   36.586628]  ? asm_exc_invalid_op+0x12/0x20

 3841 13:53:01.179693  # [   36.591117]  ? native_write_cr4+0x45/0x60

 3842 13:53:01.182817  # [   36.595423]  ? native_write_cr4+0x45/0x60

 3843 13:53:01.189182  # [   36.599745]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3844 13:53:01.192455  # [   36.604392]  direct_entry.cold+0x2c/0x38

 3845 13:53:01.196064  # [   36.608654]  full_proxy_write+0x56/0x80

 3846 13:53:01.199603  # [   36.612770]  vfs_write+0xea/0x3b0

 3847 13:53:01.202733  # [   36.616348]  ksys_write+0x68/0xf0

 3848 13:53:01.205857  # [   36.619970]  do_syscall_64+0x33/0x40

 3849 13:53:01.212226  # [   36.623816]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3850 13:53:01.215922  # [   36.629127] RIP: 0033:0x7f2c651fe473

 3851 13:53:01.235783  # [   36.632965] 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

 3852 13:53:01.242054  # [   36.651989] RSP: 002b:00007ffecfe4e558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3853 13:53:01.248715  # [   36.659819] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2c651fe473

 3854 13:53:01.255031  # [   36.667211] RDX: 000000000000000b RSI: 00007f2c650f2000 RDI: 0000000000000001

 3855 13:53:01.265443  # [   36.674602] RBP: 00007f2c650f2000 R08: 00007f2c650f1010 R09: 0000000000000000

 3856 13:53:01.271733  # [   36.682010] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3857 13:53:01.278324  # [   36.689400] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3858 13:53:01.281363  # [   36.696814] irq event stamp: 0

 3859 13:53:01.288297  # [   36.700132] <6>[   37.078009] lkdtm: Performing direct entry CORRUPT_PAC

 3860 13:53:01.294507  hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3861 13:53:01.301457  # [   36.706661] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 3862 13:53:01.311421  # [   36.715119] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 3863 13:53:01.314773  # [   3<3>[   37.093493] lkdtm: XFAIL: this test is arm64-only

 3864 13:53:01.321477  6.723563] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3865 13:53:01.327911  # [   36.730099] ---[ end trace e32a66cc720e815b ]---

 3866 13:53:01.331040  # [   36.734978] lkdtm: ok: SMEP did not get cleared

 3867 13:53:01.337850  # [   36.739767] lkdtm: trying to clear SMEP with call gadget

 3868 13:53:01.341396  # [   36.745340] lkdtm: ok: SMEP removal was reverted

 3869 13:53:01.344131  # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok

 3870 13:53:01.347823  ok 14 selftests: lkdtm: UNSET_SMEP.sh

 3871 13:53:01.351065  # selftests: lkdtm: DOUBLE_FAULT.sh

 3872 13:53:01.357283  # [   36.895730] lkdtm: Performing direct entry DOUBLE_FAULT

 3873 13:53:01.360906  # [   36.905625] lkdtm: XFAIL: this test is ia32-only

 3874 13:53:01.364546  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]

 3875 13:53:01.371013  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP

 3876 13:53:01.374310  # selftests: lkdtm: CORRUPT_PAC.sh

 3877 13:53:01.377426  # [   37.078009] lkdtm: Performing direct entry CORRUPT_PAC

 3878 13:53:01.384022  # [   37.093493] lkdtm: XFAIL: this test is arm64-only

 3879 13:53:01.387192  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 3880 13:53:01.390769  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 3881 13:53:01.393916  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 3882 13:53:01.442612  <6>[   37.238803] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3883 13:53:01.449024  <3>[   37.245509] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3884 13:53:01.477419  # [   37.238803] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3885 13:53:01.487114  # [   37.245509] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3886 13:53:01.490890  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 3887 13:53:01.497448  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 3888 13:53:01.500296  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 3889 13:53:01.560091  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 3890 13:53:01.567070  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 3891 13:53:01.570289  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 3892 13:53:01.624289  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 3893 13:53:01.628235  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 3894 13:53:01.631124  # selftests: lkdtm: READ_AFTER_FREE.sh

 3895 13:53:01.728336  <6>[   37.527803] lkdtm: Performing direct entry READ_AFTER_FREE

 3896 13:53:01.735211  <6>[   37.533566] lkdtm: Value in memory before free: 12345678

 3897 13:53:01.741309  <6>[   37.539173] lkdtm: Attempting bad read from freed memory

 3898 13:53:01.744994  <6>[   37.544745] lkdtm: Memory was not poisoned

 3899 13:53:01.768040  # [   37.527803] lkdtm: Performing direct entry READ_AFTER_FREE

 3900 13:53:01.774712  # [   37.533566] lkdtm: Value in memory before free: 12345678

 3901 13:53:01.777590  # [   37.539173] lkdtm: Attempting bad read from freed memory

 3902 13:53:01.783959  # [   37.544745] lkdtm: Memory was not poisoned

 3903 13:53:01.787966  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 3904 13:53:01.794251  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 3905 13:53:01.797243  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh

 3906 13:53:01.859878  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure

 3907 13:53:01.866590  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP

 3908 13:53:01.870276  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 3909 13:53:01.965746  <6>[   37.764714] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3910 13:53:01.972080  <6>[   37.771013] lkdtm: Value in memory before free: 12345678

 3911 13:53:01.978885  <6>[   37.776621] lkdtm: Attempting to read from freed memory

 3912 13:53:01.981909  <6>[   37.782108] lkdtm: Buddy page was not poisoned

 3913 13:53:02.004534  # [   37.764714] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3914 13:53:02.011478  # [   37.771013] lkdtm: Value in memory before free: 12345678

 3915 13:53:02.017834  # [   37.776621] lkdtm: Attempting to read from freed memory

 3916 13:53:02.021150  # [   37.782108] lkdtm: Buddy page was not poisoned

 3917 13:53:02.027892  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 3918 13:53:02.030843  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 3919 13:53:02.034353  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 3920 13:53:02.128857  <6>[   37.928324] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 3921 13:53:02.135579  <6>[   37.934182] lkdtm: Attempting double slab free ...

 3922 13:53:02.158936  # [   37.928324] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 3923 13:53:02.165524  # [   37.934182] lkdtm: Attempting double slab free ...

 3924 13:53:02.173992  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]

 3925 13:53:02.181310  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 3926 13:53:02.189483  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 3927 13:53:02.280208  <6>[   38.079633] lkdtm: Performing direct entry SLAB_FREE_CROSS

 3928 13:53:02.286359  <6>[   38.085433] lkdtm: Attempting cross-cache slab free ...

 3929 13:53:02.307279  # [   38.079633] lkdtm: Performing direct entry SLAB_FREE_CROSS

 3930 13:53:02.313571  # [   38.085433] lkdtm: Attempting cross-cache slab free ...

 3931 13:53:02.319939  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 3932 13:53:02.326662  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 3933 13:53:02.330236  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 3934 13:53:02.418313  <6>[   38.218050] lkdtm: Performing direct entry SLAB_FREE_PAGE

 3935 13:53:02.424830  <6>[   38.223717] lkdtm: Attempting non-Slab slab free ...

 3936 13:53:02.454870  # [   38.218050] lkdtm: Performing direct entry SLAB_FREE_PAGE

 3937 13:53:02.461334  # [   38.223717] lkdtm: Attempting non-Slab slab free ...

 3938 13:53:02.467622  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 3939 13:53:02.474364  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 3940 13:53:02.477982  # selftests: lkdtm: SOFTLOCKUP.sh

 3941 13:53:02.539558  # Skipping SOFTLOCKUP: Hangs the system

 3942 13:53:02.542801  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 3943 13:53:02.545915  # selftests: lkdtm: HARDLOCKUP.sh

 3944 13:53:02.600546  # Skipping HARDLOCKUP: Hangs the system

 3945 13:53:02.603641  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP

 3946 13:53:02.607165  # selftests: lkdtm: SPINLOCKUP.sh

 3947 13:53:02.667927  # Skipping SPINLOCKUP: Hangs the system

 3948 13:53:02.671512  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP

 3949 13:53:02.674547  # selftests: lkdtm: HUNG_TASK.sh

 3950 13:53:02.729177  # Skipping HUNG_TASK: Hangs the system

 3951 13:53:02.732374  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP

 3952 13:53:02.735365  # selftests: lkdtm: EXEC_DATA.sh

 3953 13:53:02.811454  <6>[   38.610878] lkdtm: Performing direct entry EXEC_DATA

 3954 13:53:02.817923  <6>[   38.616128] lkdtm: attempting ok execution at ffffffffa597bbe0

 3955 13:53:02.824569  <6>[   38.622255] lkdtm: attempting bad execution at ffffffffa8a31d00

 3956 13:53:02.831033  <2>[   38.628441] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3957 13:53:02.837590  <1>[   38.636171] BUG: unable to handle page fault for address: ffffffffa8a31d00

 3958 13:53:02.844411  <1>[   38.643293] #PF: supervisor instruction fetch in kernel mode

 3959 13:53:02.850824  <1>[   38.649201] #PF: error_code(0x0011) - permissions violation

 3960 13:53:02.857492  <6>[   38.655025] PGD c5629067 P4D c5629067 PUD c562a063 PMD 80000000c6e001e3 

 3961 13:53:02.860785  <4>[   38.661978] Oops: 0011 [#5] SMP NOPTI

 3962 13:53:02.870832  <4>[   38.665896] CPU: 1 PID: 1559 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 3963 13:53:02.873866  <4>[   38.673886] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3964 13:53:02.880636  <4>[   38.680061] RIP: 0010:data_area+0x0/0x40

 3965 13:53:02.896864  <4>[   38.684239] Code: ff ff 00 a3 be c4 a1 89 ff ff 00 a2 be c4 a1 89 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 e9 16 8f a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 3966 13:53:02.903905  <4>[   38.703234] RSP: 0018:ffffacf9c1a6be48 EFLAGS: 00010246

 3967 13:53:02.910282  <4>[   38.708714] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3968 13:53:02.920386  <4>[   38.716097] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 3969 13:53:02.926567  <4>[   38.723478] RBP: ffffffffa8a31d00 R08: 0000000000000000 R09: 0000000000000000

 3970 13:53:02.933846  <4>[   38.730859] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3971 13:53:02.940079  <4>[   38.738242] R13: ffffacf9c1a6bf10 R14: ffffacf9c1a6bf10 R15: ffff89a1c341c000

 3972 13:53:02.950000  <4>[   38.745630] FS:  00007f5ded55c580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3973 13:53:02.957049  <4>[   38.753965] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3974 13:53:02.963774  <4>[   38.759960] CR2: ffffffffa8a31d00 CR3: 0000000105d3e000 CR4: 00000000001506e0

 3975 13:53:02.966926  <4>[   38.767342] Call Trace:

 3976 13:53:02.970125  <4>[   38.770050]  ? __die_body.cold+0x1a/0x1f

 3977 13:53:02.973727  <4>[   38.774229]  ? no_context+0x177/0x380

 3978 13:53:02.977018  <4>[   38.778151]  ? exc_page_fault+0xd7/0x170

 3979 13:53:02.983641  <4>[   38.782328]  ? asm_exc_page_fault+0x1e/0x30

 3980 13:53:02.986575  <4>[   38.786763]  ? execute_location+0x48/0x56

 3981 13:53:02.990152  <4>[   38.791025]  ? direct_entry.cold+0x2c/0x38

 3982 13:53:02.996576  <4>[   38.795376]  ? full_proxy_write+0x56/0x80

 3983 13:53:03.000156  <4>[   38.799641]  ? vfs_write+0xea/0x3b0

 3984 13:53:03.003373  <4>[   38.803383]  ? ksys_write+0x68/0xf0

 3985 13:53:03.006521  <4>[   38.807127]  ? do_syscall_64+0x33/0x40

 3986 13:53:03.013360  <4>[   38.811121]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3987 13:53:03.052586  <4>[   38.816598] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3988 13:53:03.056153  <4>[   38.856515] CR2: ffffffffa8a31d00

 3989 13:53:03.059676  <4>[   38.860085] ---[ end trace e32a66cc720e815c ]---

 3990 13:53:03.066045  <4>[   38.864977] RIP: 0010:lkdtm_BUG+0x5/0x10

 3991 13:53:03.082318  <4>[   38.869153] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 3992 13:53:03.088956  <4>[   38.888148] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 3993 13:53:03.095520  <4>[   38.893625] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 3994 13:53:03.105530  <4>[   38.901006] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 3995 13:53:03.112312  <4>[   38.908388] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 3996 13:53:03.118662  <4>[   38.915771] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3997 13:53:03.125536  <4>[   38.923153] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 3998 13:53:03.135643  <4>[   38.930535] FS:  00007f5ded55c580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 3999 13:53:03.142021  <4>[   38.938872] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4000 13:53:03.148592  <4>[   38.944866] CR2: ffffffffa8a31d00 CR3: 0000000105d3e000 CR4: 00000000001506e0

 4001 13:53:03.158488  <3>[   38.952252] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4002 13:53:03.165260  <3>[   38.961367] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1559, name: cat

 4003 13:53:03.168518  <4>[   38.969182] INFO: lockdep is turned off.

 4004 13:53:03.171851  <4>[   38.973357] irq event stamp: 0

 4005 13:53:03.178556  <4>[   38.976667] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4006 13:53:03.188465  <4>[   38.983186] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4007 13:53:03.195174  <4>[   38.991609] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4008 13:53:03.201456  <4>[   39.000030] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4009 13:53:03.211482  <4>[   39.006546] CPU: 1 PID: 1559 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4010 13:53:03.215186  <4>[   39.014535] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4011 13:53:03.218263  <4>[   39.020704] Call Trace:

 4012 13:53:03.221641  <4>[   39.023413]  dump_stack+0x77/0x9b

 4013 13:53:03.228363  <4>[   39.026987]  ___might_sleep.cold+0xa6/0xb6

 4014 13:53:03.231513  <4>[   39.031341]  exit_signals+0x1c/0x300

 4015 13:53:03.234559  <4>[   39.035174]  do_exit+0xc2/0xab0

 4016 13:53:03.238134  <4>[   39.038574]  ? ksys_write+0x68/0xf0

 4017 13:53:03.241591  <4>[   39.042320]  make_task_dead+0x2f/0x30

 4018 13:53:03.248049  <4>[   39.046240]  rewind_stack_and_make_dead+0x17/0x20

 4019 13:53:03.251665  <4>[   39.051198] RIP: 0033:0x7f5ded436473

 4020 13:53:03.271016  <4>[   39.055029] 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

 4021 13:53:03.277750  <4>[   39.074025] RSP: 002b:00007ffc6234e068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4022 13:53:03.284538  <4>[   39.081842] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5ded436473

 4023 13:53:03.290948  <4>[   39.089225] RDX: 000000000000000a RSI: 00007f5ded32a000 RDI: 0000000000000001

 4024 13:53:03.301026  <4>[   39.096608] RBP: 00007f5ded32a000 R08: 00007f5ded329010 R09: 0000000000000000

 4025 13:53:03.307650  <4>[   39.103991] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4026 13:53:03.314063  <4>[   39.111373] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4027 13:53:03.317096  # Killed

 4028 13:53:03.358058  # [   38.610878] lkdtm: Performing direct entry EXEC_DATA

 4029 13:53:03.364556  # [   38.616128] lkdtm: attempting ok execution at ffffffffa597bbe0

 4030 13:53:03.371520  # [   38.622255] lkdtm: attempting bad execution at ffffffffa8a31d00

 4031 13:53:03.378230  # [   38.628441] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4032 13:53:03.384834  # [   38.636171] BUG: unable to handle page fault for address: ffffffffa8a31d00

 4033 13:53:03.391041  # [   38.643293] #PF: supervisor instruction fetch in kernel mode

 4034 13:53:03.397935  # [   38.649201] #PF: error_code(0x0011) - permissions violation

 4035 13:53:03.404242  # [   38.655025] PGD c5629067 P4D c5629067 PUD c562a063 PMD 80000000c6e001e3 

 4036 13:53:03.407748  # [   38.661978] Oops: 0011 [#5] SMP NOPTI

 4037 13:53:03.414208  # [   38.665896] CPU: 1 PID: 1559 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4038 13:53:03.421007  # [   38.673886] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4039 13:53:03.424224  # [   38.680061] RIP: 0010:data_area+0x0/0x40

 4040 13:53:03.443818  # [   38.684239] Code: ff ff 00 a3 be c4 a1 89 ff ff 00 a2 be c4 a1 89 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 e9 16 8f a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4041 13:53:03.450712  # [   38.703234] RSP: 0018:ffffacf9c1a6be48 EFLAGS: 00010246

 4042 13:53:03.457218  # [   38.708714] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4043 13:53:03.463271  # [   38.716097] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 4044 13:53:03.469803  # [   38.723478] RBP: ffffffffa8a31d00 R08: 0000000000000000 R09: 0000000000000000

 4045 13:53:03.476734  # [   38.730859] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4046 13:53:03.486908  # [   38.738242] R13: ffffacf9c1a6bf10 R14: ffffacf9c1a6bf10 R15: ffff89a1c341c000

 4047 13:53:03.496547  # [   38.745630] FS:  00007f5ded55c580(0000) GS:ffff89a1ead00000<6>[   39.274815] lkdtm: Performing direct entry EXEC_STACK

 4048 13:53:03.499885  (0000) knlGS:0000000000000000

 4049 13:53:03.506335  # [   38.753965] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4050 13:53:03.512997  # [   38.759960] CR2: ffffffffa8a31d00 CR3: 0000000105d3e000 CR4: 00000000001506e0

 4051 13:53:03.516147  # [   38.767342] Call Trace:

 4052 13:53:03.526383  # [   38.770050]  ? __die_body.cold+0x1a/0x<6>[   39.301041] lkdtm: attempting ok execution at ffffffffa597bbe0

 4053 13:53:03.526561  1f

 4054 13:53:03.529777  # [   38.774229]  ? no_context+0x177/0x380

 4055 13:53:03.532600  # [   38.778151]  ? exc_page_fault+0xd7/0x170

 4056 13:53:03.536292  # [   38.782328]  ? asm_exc_page_fault+0x1e/0x30

 4057 13:53:03.542629  # [   38.786763]  ? execute_location+0x48/0x56

 4058 13:53:03.545924  # [   38.791025]  ? direct_entry.cold+0x2c/0x38

 4059 13:53:03.552548  # [   38.79537<6>[   39.329337] lkdtm: attempting bad execution at ffffacf9c1b03e18

 4060 13:53:03.556004  6]  ? full_proxy_write+0x56/0x80

 4061 13:53:03.559100  # [   38.799641]  ? vfs_write+0xea/0x3b0

 4062 13:53:03.562627  # [   38.803383]  ? ksys_write+0x68/0xf0

 4063 13:53:03.565865  # [   38.807127]  ? do_syscall_64+0x33/0x40

 4064 13:53:03.572582  # [   38.811121]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4065 13:53:03.582780  # [   38.816598] Modules linked<2>[   39.357682] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4066 13:53:03.612450   in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_ma<1>[   39.387575] BUG: unable to handle page fault for address: ffffacf9c1b03e18

 4067 13:53:03.629233  ch cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4068 13:53:03.632193  # [   38.856515] CR2: ffffffffa8a31d00

 4069 13:53:03.642057  # [   38.860085] ---[ end trace e32a66cc720e<1>[   39.416896] #PF: supervisor instruction fetch in kernel mode

 4070 13:53:03.645399  <1>[   39.444991] #PF: error_code(0x0011) - permissions violation

 4071 13:53:03.648651  815c ]---

 4072 13:53:03.651935  # [   38.864977] RIP: 0010:lkdtm_BUG+0x5/0x10

 4073 13:53:03.678473  # [   38.869153] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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<6>[   39.450815] PGD 100000067 P4D 100000067 PUD 10023e067 PMD 103b4d067 PTE 800000010648c163

 4074 13:53:03.679034   83 05 a0 64 0b 03

 4075 13:53:03.685155  # [   38.888148] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 4076 13:53:03.691821  # [   38.893625] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 4077 13:53:03.698111  # [   38.901006] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 4078 13:53:03.701258  # [   <4>[   39.481334] Oops: 0011 [#6] SMP NOPTI

 4079 13:53:03.711023  38.908388] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 4080 13:53:03.717841  # [   38.915771] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4081 13:53:03.724697  # [   38.923153] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 4082 13:53:03.734571  # [   38.9<4>[   39.507439] CPU: 1 PID: 1596 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4083 13:53:03.740812  <4>[   39.537611] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4084 13:53:03.747847  30535] FS:  00007f5ded55c580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4085 13:53:03.754247  # [   38.938872] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4086 13:53:03.760611  # [   38.944866] CR2: ffffffffa8a31d00 CR3: 0000000105d3e000 CR4: 00000000001506e0

 4087 13:53:03.764109  # [   38.952252] BU<4>[   39.543784] RIP: 0010:0xffffacf9c1b03e18

 4088 13:53:03.773784  G: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4089 13:53:03.781039  # [   38.961367] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1559, name: cat

 4090 13:53:03.784007  # [   38.969182] INFO: lockdep is turned off.

 4091 13:53:03.807153  # [   38.973357] irq event stamp: 0<4>[   39.570141] Code: 00 00 18 3e b0 c1 f9 ac ff ff 12 e6 05 a6 ff ff ff ff 20 00 00 00 00 00 00 00 86 23 f8 a6 ff ff ff ff 3e e7 05 a6 ff ff ff ff <0f> 1f 44 00 00 e9 16 8f a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4092 13:53:03.807669  

 4093 13:53:03.813570  # [   38.976667] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4094 13:53:03.823517  # [   38.983186] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4095 13:53:03.833594  # [   38.991609] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x<4>[   39.611325] RSP: 0018:ffffacf9c1b03df8 EFLAGS: 00010246

 4096 13:53:03.836586  65c/0x20e0

 4097 13:53:03.843378  # [   39.000030] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4098 13:53:03.849803  # [   39.006546] CPU: 1 PID: 1559 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4099 13:53:03.856497  # [   39.014535] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4100 13:53:03.863070  # [   39.<4>[   39.638987] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4101 13:53:03.866556  020704] Call Trace:

 4102 13:53:03.869613  # [   39.023413]  dump_stack+0x77/0x9b

 4103 13:53:03.872786  # [   39.026987]  ___might_sleep.cold+0xa6/0xb6

 4104 13:53:03.876582  # [   39.031341]  exit_signals+0x1c/0x300

 4105 13:53:03.879479  # [   39.035174]  do_exit+0xc2/0xab0

 4106 13:53:03.882978  # [   39.038574]  ? ksys_write+0x68/0xf0

 4107 13:53:03.892796  # [   39.042320]  make_<4>[   39.668555] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 4108 13:53:03.895818  ta<sk_dead+0x2f/0x30

 4109 13:53:03.899516  # [   39.046240]  rewind_stack_and_make_dead+0x17/0x20

 4110 13:53:03.902841  # [   39.051198] RIP: 0033:0x7f5ded436473

 4111 13:53:03.922152  # [   39.055029] 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 01 004>[   39.698125] RBP: ffffacf9c1b03e18 R08: 0000000000000000 R09: 0000000000000000

 4112 13:53:03.928924   0<0 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

 4113 13:53:03.939191  # [   39.074025] RSP: 002b:00007ffc6234e068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4114 13:53:03.945384  # [   39.081842] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5ded436473

 4115 13:53:03.952297  #4>[   39.727695] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4116 13:53:03.958811   [<   39.089225] RDX: 000000000000000a RSI: 00007f5ded32a000 RDI: 0000000000000001

 4117 13:53:03.968484  # [   39.096608] RBP: 00007f5ded32a000 R08: 00007f5ded329010 R09: 0000000000000000

 4118 13:53:03.975410  # [   39.103991] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4119 13:53:03.982004  # [  4>[   39.757267] R13: ffffacf9c1b03f10 R14: ffffacf9c1b03f10 R15: ffff89a1c31dd000

 4120 13:53:03.988606   39.111373] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4121 13:53:03.992213  # EXEC_DATA: saw 'call trace:': ok

 4122 13:53:03.995133  ok 30 selftests: lkdtm: EXEC_DATA.sh

 4123 13:53:03.998691  # selftests: lkdtm: EXEC_STACK.sh

 4124 13:53:04.008199  <4>[   39.786839] FS:  00007f12fabbc580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4125 13:53:04.011672  <4>[   39.811466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4126 13:53:04.021628  <4>[   39.817463] CR2: ffffacf9c1b03e18 CR3: 0000000102c66000 CR4: 00000000001506e0

 4127 13:53:04.022149  <4>[   39.824851] Call Trace:

 4128 13:53:04.028405  <4>[   39.827564]  ? __die_body.cold+0x1a/0x1f

 4129 13:53:04.031456  <4>[   39.831748]  ? no_context+0x177/0x380

 4130 13:53:04.035302  <4>[   39.835690]  ? exc_page_fault+0xd7/0x170

 4131 13:53:04.041784  <4>[   39.839885]  ? asm_exc_page_fault+0x1e/0x30

 4132 13:53:04.044978  <4>[   39.844330]  ? execute_location+0x48/0x56

 4133 13:53:04.048361  <4>[   39.848595]  ? lkdtm_EXEC_STACK+0x26/0x44

 4134 13:53:04.051314  <4>[   39.852872]  ? direct_entry.cold+0x2c/0x38

 4135 13:53:04.058133  <4>[   39.857224]  ? full_proxy_write+0x56/0x80

 4136 13:53:04.061560  <4>[   39.861491]  ? vfs_write+0xea/0x3b0

 4137 13:53:04.064450  <4>[   39.865235]  ? ksys_write+0x68/0xf0

 4138 13:53:04.068116  <4>[   39.868980]  ? do_syscall_64+0x33/0x40

 4139 13:53:04.074459  <4>[   39.872985]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4140 13:53:04.114256  <4>[   39.878467] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4141 13:53:04.117401  <4>[   39.918394] CR2: ffffacf9c1b03e18

 4142 13:53:04.121039  <4>[   39.921973] ---[ end trace e32a66cc720e815d ]---

 4143 13:53:04.127827  <4>[   39.926848] RIP: 0010:lkdtm_BUG+0x5/0x10

 4144 13:53:04.144133  <4>[   39.931025] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 4145 13:53:04.150927  <4>[   39.950021] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 4146 13:53:04.157153  <4>[   39.955500] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 4147 13:53:04.167504  <4>[   39.962884] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 4148 13:53:04.173760  <4>[   39.970268] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 4149 13:53:04.180524  <4>[   39.977653] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4150 13:53:04.187400  <4>[   39.985038] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 4151 13:53:04.197221  <4>[   39.992424] FS:  00007f12fabbc580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4152 13:53:04.203873  <4>[   40.000763] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4153 13:53:04.210648  <4>[   40.006764] CR2: ffffacf9c1b03e18 CR3: 0000000102c66000 CR4: 00000000001506e0

 4154 13:53:04.220308  <3>[   40.014149] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4155 13:53:04.227100  <3>[   40.023267] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1596, name: cat

 4156 13:53:04.230163  <4>[   40.031083] INFO: lockdep is turned off.

 4157 13:53:04.233649  <4>[   40.035260] irq event stamp: 0

 4158 13:53:04.240560  <4>[   40.038571] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4159 13:53:04.250242  <4>[   40.045094] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4160 13:53:04.256783  <4>[   40.053518] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4161 13:53:04.263184  <4>[   40.061944] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4162 13:53:04.273110  <4>[   40.068465] CPU: 1 PID: 1596 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4163 13:53:04.276729  <4>[   40.076456] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4164 13:53:04.279848  <4>[   40.082628] Call Trace:

 4165 13:53:04.283119  <4>[   40.085336]  dump_stack+0x77/0x9b

 4166 13:53:04.290079  <4>[   40.088910]  ___might_sleep.cold+0xa6/0xb6

 4167 13:53:04.293225  <4>[   40.093265]  exit_signals+0x1c/0x300

 4168 13:53:04.296529  <4>[   40.097096]  do_exit+0xc2/0xab0

 4169 13:53:04.300103  <4>[   40.100495]  ? ksys_write+0x68/0xf0

 4170 13:53:04.303195  <4>[   40.104241]  make_task_dead+0x2f/0x30

 4171 13:53:04.309675  <4>[   40.108161]  rewind_stack_and_make_dead+0x17/0x20

 4172 13:53:04.312795  <4>[   40.113118] RIP: 0033:0x7f12faa96473

 4173 13:53:04.333127  <4>[   40.116951] 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

 4174 13:53:04.339709  <4>[   40.135949] RSP: 002b:00007fff174fd978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4175 13:53:04.346376  <4>[   40.143769] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f12faa96473

 4176 13:53:04.353022  <4>[   40.151155] RDX: 000000000000000b RSI: 00007f12fa98a000 RDI: 0000000000000001

 4177 13:53:04.363113  <4>[   40.158536] RBP: 00007f12fa98a000 R08: 00007f12fa989010 R09: 0000000000000000

 4178 13:53:04.369659  <4>[   40.165913] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4179 13:53:04.375905  <4>[   40.173296] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4180 13:53:04.595781  <6>[   40.395658] lkdtm: Performing direct entry EXEC_KMALLOC

 4181 13:53:04.595917  # Killed

 4182 13:53:04.602875  # [   39.274815] lkdtm: Performing direct entry EXEC_STACK

 4183 13:53:04.609126  # [   39.301041] lkdtm: attempting ok execution at ffffffffa597bbe0

 4184 13:53:04.615875  # [   39.329337] lkdtm: attempting bad execution at ffffacf9c1b03e18

 4185 13:53:04.625916  # [   39.357682] kernel tried to execute NX-pro<6>[   40.401154] lkdtm: attempting ok execution at ffffffffa597bbe0

 4186 13:53:04.629140  tected page - exploit attempt? (uid: 0)

 4187 13:53:04.635868  # [   39.387575] BUG: unable to handle page fault for address: ffffacf9c1b03e18

 4188 13:53:04.642222  # [   39.416896] #PF: supervisor instruction fetch in kernel mode

 4189 13:53:04.645411  # [   39.444991] #PF: error_code(0x0011) - permissions violation

 4190 13:53:04.652102  #<6>[   40.429436] lkdtm: attempting bad execution at ffff89a1c265a700

 4191 13:53:04.661802   [   39.450815] PGD 100000067 P4D 100000067 PUD 10023e067 PMD 103b4d067 PTE 800000010648c163

 4192 13:53:04.665469  # [   39.481334] Oops: 0011 [#6] SMP NOPTI

 4193 13:53:04.672015  # [   39.507439] CPU: 1 PID: 1596 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4194 13:53:04.681846  # [   39.537611] Hardware n<2>[   40.457808] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4195 13:53:04.685507  ame: Google Grunt/Grunt, BIOS  09/05/2019

 4196 13:53:04.691803  # [   39.543784] RIP: 0010:0xffffacf9c1b03e18

 4197 13:53:04.711818  # [   39.570141] Code: 00 00 18 3e b0 c1 f9 ac ff ff 12 e6 05 a6 ff ff ff ff 20 00 00 00 00 00 00 00 86 23 f8 a6 ff ff ff ff 3e e7 05 a6 ff ff ff ff <0f> 1f 44 00 00 <1>[   40.487683] BUG: unable to handle page fault for address: ffff89a1c265a700

 4198 13:53:04.718510  e9< 16 8f a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4199 13:53:04.721364  # [   39.611325] RSP: 0018:ffffacf9c1b03df8 EFLAGS: 00010246

 4200 13:53:04.728543  # [   39.638987] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4201 13:53:04.741537  # [   39.668555] RDX: 0000000000000000 RSI: ffff89a1ead1bf1>[   40.516989] #PF: supervisor instruction fetch in kernel mode

 4202 13:53:04.744667  <1>[   40.545085] #PF: error_code(0x0011) - permissions violation

 4203 13:53:04.748244  50 RDI: ffff89a1ead1bf50

 4204 13:53:04.754989  # [   39.698125] RBP: ffffacf9c1b03e18 R08: 0000000000000000 R09: 0000000000000000

 4205 13:53:04.764252  # [   39.727695] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4206 13:53:04.777861  # [   39.757267] R13: ffffacf9c1b03f10 R14: ffffacf9c1b03f10 R<6>[   40.550909] PGD c7001067 P4D c7001067 PUD c7005067 PMD 103a7b063 PTE 800000010265a163

 4207 13:53:04.778006  15: ffff89a1c31dd000

 4208 13:53:04.787785  # [   39.786839] FS:  00007f12fabbc580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4209 13:53:04.790930  # [   39.811466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4210 13:53:04.804044  # [   39.817463] CR2: ffffacf9c1b03e18 CR3: 0000000102c66000 CR4: 00000<4>[   40.581169] Oops: 0011 [#7] SMP NOPTI

 4211 13:53:04.804134  000001506e0

 4212 13:53:04.807211  # [   39.824851] Call Trace:

 4213 13:53:04.810444  # [   39.827564]  ? __die_body.cold+0x1a/0x1f

 4214 13:53:04.813830  # [   39.831748]  ? no_context+0x177/0x380

 4215 13:53:04.817296  # [   39.835690]  ? exc_page_fault+0xd7/0x170

 4216 13:53:04.823699  # [   39.839885]  ? asm_exc_page_fault+0x1e/0x30

 4217 13:53:04.833835  # [   39.844330]  ? execu<4>[   40.607272] CPU: 1 PID: 1633 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4218 13:53:04.833932  te<_location+0x48/0x56

 4219 13:53:04.840095  # [   39.848595]  ? lkdtm_EXEC_STACK+0x26/0x44

 4220 13:53:04.843673  # [   39.852872]  ? direct_entry.cold+0x2c/0x38

 4221 13:53:04.846718  # [   39.857224]  ? full_proxy_write+0x56/0x80

 4222 13:53:04.850334  # [   39.861491]  ? vfs_write+0xea/0x3b0

 4223 13:53:04.853610  # [   39.865235]  ? ksys_write+0x68/0xf0

 4224 13:53:04.860393  # [ 4>[   40.637444] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4225 13:53:04.863426    39.868980]  ? do_syscall_64+0x33/0x40

 4226 13:53:04.870034  # [   39.872985]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4227 13:53:04.886945  # [   39.878467] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gs<4>[   40.665802] RIP: 0010:0xffff89a1c265a700

 4228 13:53:04.929871  mi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_so<4>[   40.692162] Code: 00 00 02 00 00 00 00 00 00 00 00 c7 5c c5 a1 89 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 eb f2 ef a4 ff ff ff ff <0f> 1f 44 00 00 e9 16 8f a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4229 13:53:04.933474  c_core snd_compress snd_pcm_dmaengine regmap_i2c

 4230 13:53:04.936434  # [   39.918394] CR2: ffffacf9c1b03e18

 4231 13:53:04.943031  # [   39.921973] ---[ end trace e32a66cc720e815d ]---

 4232 13:53:04.946602  # [   39.926848] RIP: 0010:lkdtm_BUG+0x5/0x10

 4233 13:53:04.956946  # [   39.931025] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff<4>[   40.733343] RSP: 0018:ffffacf9c1b93e38 EFLAGS: 00010246

 4234 13:53:04.969537   e<b de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 4235 13:53:04.976394  # [   39.950021] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 4236 13:53:04.986291  # [   39.955500] RAX: ffffffffa597b810 R4>[   40.761007] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4237 13:53:04.989331  BX<: 0000000000000001 RCX: 0000000000000000

 4238 13:53:04.995904  # [   39.962884] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 4239 13:53:05.006305  # [   39.970268] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 4240 13:53:05.015819  # [   39.977653] R10: 00000000ffffe000 R11: 4>[   40.790579] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 4241 13:53:05.019345  3f<ffffffffffffff R12: 0000000000000004

 4242 13:53:05.025874  # [   39.985038] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 4243 13:53:05.035952  # [   39.992424] FS:  00007f12fabbc580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4244 13:53:05.045767  # [   40.000763] CS:  0010 DS: 0000 E4>[   40.820150] RBP: ffff89a1c265a700 R08: 0000000000000000 R09: 0000000000000000

 4245 13:53:05.049243  S: 0000 CR0: 0000000080050033

 4246 13:53:05.055839  # [   40.006764] CR2: ffffacf9c1b03e18 CR3: 0000000102c66000 CR4: 00000000001506e0

 4247 13:53:05.065505  # [   40.014149] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4248 13:53:05.075452  # [   40.023267] in_atomic(): 0, irqs<4>[   40.849721] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4249 13:53:05.078880  _disabled(): 1, non_block: 0, pid: 1596, name: cat

 4250 13:53:05.082288  # [   40.031083] INFO: lockdep is turned off.

 4251 13:53:05.085468  # [   40.035260] irq event stamp: 0

 4252 13:53:05.092270  # [   40.038571] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4253 13:53:05.105667  # [   40.045094] hardirqs last disabled at (0)<4>[   40.879289] R13: ffffacf9c1b93f10 R14: ffffacf9c1b93f10 R15: ffff89a1c2938000

 4254 13:53:05.108781  : [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4255 13:53:05.118893  # [   40.053518] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4256 13:53:05.121844  # [   40.061944] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4257 13:53:05.135044  # [   40.068465] CPU: 1 PID: 1596 Co<4>[   40.908859] FS:  00007fd022c9a580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4258 13:53:05.138761  mm: cat Tainted: G      D W         5.10.201-cip41 #1

 4259 13:53:05.145354  # [   40.076456] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4260 13:53:05.148723  # [   40.082628] Call Trace:

 4261 13:53:05.151735  # [   40.085336]  dump_stack+0x77/0x9b

 4262 13:53:05.155092  # [   40.088910]  ___might_sleep.cold+0xa6/0xb6

 4263 13:53:05.161770  # [   40.093<4>[   40.939382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4264 13:53:05.164947  26<5]  exit_signals+0x1c/0x300

 4265 13:53:05.168384  # [   40.097096]  do_exit+0xc2/0xab0

 4266 13:53:05.171877  # [   40.100495]  ? ksys_write+0x68/0xf0

 4267 13:53:05.178084  # [   40.104241]  make_task_dead+0x2f/0x30

 4268 13:53:05.181444  # [   40.108161]  rewind_stack_and_make_dead+0x17/0x20

 4269 13:53:05.184812  # [   40.113118] RIP: 0033:0x7f12faa96473

 4270 13:53:05.191698  # 4>[   40.967563] CR2: ffff89a1c265a700 CR3: 0000000102c64000 CR4: 00000000001506e0

 4271 13:53:05.194477  <4>[   40.997134] Call Trace:

 4272 13:53:05.214478  [   40.116951] 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

 4273 13:53:05.221246  # [   40.135949] RSP: 002b:00007fff174fd<4>[   40.999847]  ? __die_body.cold+0x1a/0x1f

 4274 13:53:05.224501  978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4275 13:53:05.234423  # [   40.143769] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f12faa96473

 4276 13:53:05.241204  # [   40.151155] RDX: 000000000000000b RSI: 00007f12fa98a000 RDI: 0000000000000001

 4277 13:53:05.247489  # [   40.158536] RBP: 00007f12fa98a000 <4>[   41.026204]  ? no_context+0x177/0x380

 4278 13:53:05.250930  R08: 00007f12fa989010 R09: 0000000000000000

 4279 13:53:05.257517  # [   40.165913] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4280 13:53:05.267492  # [   40.173296] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4281 13:53:05.270555  # EXEC_STACK: saw 'call trace:': ok

 4282 13:53:05.274079  ok 31 <4>[   41.052309]  ? exc_page_fault+0xd7/0x170

 4283 13:53:05.277802  selftests: lkdtm: EXEC_STACK.sh

 4284 13:53:05.280492  # selftests: lkdtm: EXEC_KMALLOC.sh

 4285 13:53:05.284140  <4>[   41.078663]  ? asm_exc_page_fault+0x1e/0x30

 4286 13:53:05.290602  <4>[   41.089171]  ? execute_location+0x48/0x56

 4287 13:53:05.293922  <4>[   41.093452]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 4288 13:53:05.297357  <4>[   41.097890]  ? direct_entry.cold+0x2c/0x38

 4289 13:53:05.300472  <4>[   41.102246]  ? full_proxy_write+0x56/0x80

 4290 13:53:05.307342  <4>[   41.106512]  ? vfs_write+0xea/0x3b0

 4291 13:53:05.310245  <4>[   41.110256]  ? ksys_write+0x68/0xf0

 4292 13:53:05.313411  <4>[   41.114003]  ? do_syscall_64+0x33/0x40

 4293 13:53:05.320367  <4>[   41.118007]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4294 13:53:05.360310  <4>[   41.123490] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4295 13:53:05.363531  <4>[   41.163417] CR2: ffff89a1c265a700

 4296 13:53:05.367119  <4>[   41.166992] ---[ end trace e32a66cc720e815e ]---

 4297 13:53:05.370571  <4>[   41.171863] RIP: 0010:lkdtm_BUG+0x5/0x10

 4298 13:53:05.389902  <4>[   41.176042] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 4299 13:53:05.396575  <4>[   41.195040] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 4300 13:53:05.403094  <4>[   41.200519] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 4301 13:53:05.409764  <4>[   41.207904] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 4302 13:53:05.419596  <4>[   41.215291] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 4303 13:53:05.426661  <4>[   41.222678] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4304 13:53:05.432967  <4>[   41.230061] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 4305 13:53:05.442886  <4>[   41.237447] FS:  00007fd022c9a580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4306 13:53:05.446248  <4>[   41.245783] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4307 13:53:05.456151  <4>[   41.251781] CR2: ffff89a1c265a700 CR3: 0000000102c64000 CR4: 00000000001506e0

 4308 13:53:05.462687  <3>[   41.259167] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4309 13:53:05.472545  <3>[   41.268284] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1633, name: cat

 4310 13:53:05.475785  <4>[   41.276101] INFO: lockdep is turned off.

 4311 13:53:05.479376  <4>[   41.280279] irq event stamp: 0

 4312 13:53:05.485649  <4>[   41.283599] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4313 13:53:05.492726  <4>[   41.290118] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4314 13:53:05.502477  <4>[   41.298545] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4315 13:53:05.509035  <4>[   41.306971] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4316 13:53:05.515546  <4>[   41.313490] CPU: 1 PID: 1633 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4317 13:53:05.522432  <4>[   41.321480] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4318 13:53:05.525703  <4>[   41.327649] Call Trace:

 4319 13:53:05.529126  <4>[   41.330360]  dump_stack+0x77/0x9b

 4320 13:53:05.535729  <4>[   41.333933]  ___might_sleep.cold+0xa6/0xb6

 4321 13:53:05.539017  <4>[   41.338287]  exit_signals+0x1c/0x300

 4322 13:53:05.542063  <4>[   41.342118]  do_exit+0xc2/0xab0

 4323 13:53:05.545582  <4>[   41.345518]  ? ksys_write+0x68/0xf0

 4324 13:53:05.548807  <4>[   41.349265]  make_task_dead+0x2f/0x30

 4325 13:53:05.555573  <4>[   41.353186]  rewind_stack_and_make_dead+0x17/0x20

 4326 13:53:05.558597  <4>[   41.358143] RIP: 0033:0x7fd022ba6473

 4327 13:53:05.575173  <4>[   41.361973] 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

 4328 13:53:05.585151  <4>[   41.380971] RSP: 002b:00007ffed34fb408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4329 13:53:05.591791  <4>[   41.388789] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fd022ba6473

 4330 13:53:05.598425  <4>[   41.396175] RDX: 000000000000000d RSI: 00007fd022a9a000 RDI: 0000000000000001

 4331 13:53:05.605228  <4>[   41.403559] RBP: 00007fd022a9a000 R08: 00007fd022a99010 R09: 0000000000000000

 4332 13:53:05.615192  <4>[   41.410943] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4333 13:53:05.621324  <4>[   41.418328] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4334 13:53:05.795958  <6>[   41.595828] lkdtm: Performing direct entry EXEC_VMALLOC

 4335 13:53:05.796092  # Killed

 4336 13:53:05.802750  # [   40.395658] lkdtm: Performing direct entry EXEC_KMALLOC

 4337 13:53:05.809053  # [   40.401154] lkdtm: attempting ok execution at ffffffffa597bbe0

 4338 13:53:05.815723  # [   40.429436] lkdtm: attempting bad execution at ffff89a1c265a700

 4339 13:53:05.825592  # [   40.457808] kernel tried to execute NX-p<6>[   41.601335] lkdtm: attempting ok execution at ffffffffa597bbe0

 4340 13:53:05.829370  rotected page - exploit attempt? (uid: 0)

 4341 13:53:05.835978  # [   40.487683] BUG: unable to handle page fault for address: ffff89a1c265a700

 4342 13:53:05.842617  # [   40.516989] #PF: supervisor instruction fetch in kernel mode

 4343 13:53:05.845764  # [   40.545085] #PF: error_code(0x0011) - permissions violation

 4344 13:53:05.852620  <6>[   41.629607] lkdtm: attempting bad execution at ffffacf9c0761000

 4345 13:53:05.853105  

 4346 13:53:05.862449  # [   40.550909] PGD c7001067 P4D c7001067 PUD c7005067 PMD 103a7b063 PTE 800000010265a163

 4347 13:53:05.865666  # [   40.581169] Oops: 0011 [#7] SMP NOPTI

 4348 13:53:05.872164  # [   40.607272] CPU: 1 PID: 1633 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4349 13:53:05.882060  # [   40.637444] Hardware na<2>[   41.657979] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4350 13:53:05.885752  me: Google Grunt/Grunt, BIOS  09/05/2019

 4351 13:53:05.892051  # [   40.665802] RIP: 0010:0xffff89a1c265a700

 4352 13:53:05.912101  # [   40.692162] Code: 00 00 02 00 00 00 00 00 00 00 00 c7 5c c5 a1 89 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 eb f2 ef a4 ff ff ff ff <0f> 1f 44 00 00 e<1>[   41.687858] BUG: unable to handle page fault for address: ffffacf9c0761000

 4353 13:53:05.918489  9 <16 8f a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4354 13:53:05.922166  # [   40.733343] RSP: 0018:ffffacf9c1b93e38 EFLAGS: 00010246

 4355 13:53:05.928884  # [   40.761007] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4356 13:53:05.941873  # [   40.790579] RDX: 0000000000000000 RSI: ffff89a1ead1bf51>[   41.717163] #PF: supervisor instruction fetch in kernel mode

 4357 13:53:05.942352  0 RDI: ffff89a1ead1bf50

 4358 13:53:05.951871  # [   40.820150] RBP: ffff89a1c265a700 R08: 0000000000000000 R09: 0000000000000000

 4359 13:53:05.958662  # [   40.849721] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4360 13:53:05.968508  # [   40.879289] R13: ffffacf9c1b93f10 R14: ffffacf9c1b93f10 R1<1>[   41.745261] #PF: error_code(0x0011) - permissions violation

 4361 13:53:05.971791  5: ffff89a1c2938000

 4362 13:53:05.978013  # [   40.908859] FS:  00007fd022c9a580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4363 13:53:05.984711  # [   40.939382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4364 13:53:05.997929  # [   40.967563] CR2: ffff89a1c265a700 CR3: 0000000102c64000 CR4: 000000<6>[   41.773270] PGD 100000067 P4D 100000067 PUD 10023e067 PMD 1050d5067 PTE 8000000102991163

 4365 13:53:06.001195  00001506e0

 4366 13:53:06.004661  # [   40.997134] Call Trace:

 4367 13:53:06.007958  # [   40.999847]  ? __die_body.cold+0x1a/0x1f

 4368 13:53:06.011382  # [   41.026204]  ? no_context+0x177/0x380

 4369 13:53:06.014719  # [   41.052309]  ? exc_page_fault+0xd7/0x170

 4370 13:53:06.018215  # [   41.078663]  ? asm_exc_page_fault+0x1e/0x30

 4371 13:53:06.024739  # [   41.089171]  ? execut<4>[   41.803795] Oops: 0011 [#8] SMP NOPTI

 4372 13:53:06.027711  e_location+0x48/0x56

 4373 13:53:06.031238  # [   41.093452]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 4374 13:53:06.034541  # [   41.097890]  ? direct_entry.cold+0x2c/0x38

 4375 13:53:06.041207  # [   41.102246]  ? full_proxy_write+0x56/0x80

 4376 13:53:06.044543  # [   41.106512]  ? vfs_write+0xea/0x3b0

 4377 13:53:06.047702  # [   41.110256]  ? ksys_write+0x68/0xf0

 4378 13:53:06.054298  # [<4>[   41.829899] CPU: 1 PID: 1670 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4379 13:53:06.061114    < 41.114003]  ? do_syscall_64+0x33/0x40

 4380 13:53:06.064364  # [   41.118007]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4381 13:53:06.083650  # [   41.123490] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev g4>[   41.860071] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4382 13:53:06.111078  smi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_s<4>[   41.888430] RIP: 0010:0xffffacf9c0761000

 4383 13:53:06.113441  oc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4384 13:53:06.117364  # [   41.163417] CR2: ffff89a1c265a700

 4385 13:53:06.123610  # [   41.166992] ---[ end trace e32a66cc720e815e ]---

 4386 13:53:06.127031  # [   41.171863] RIP: 0010:lkdtm_BUG+0x5/0x10

 4387 13:53:06.140234  # [   41.176042] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff f<4>[   41.914797] Code: Unable to access opcode bytes at RIP 0xffffacf9c0760fd6.

 4388 13:53:06.153790  f eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 4389 13:53:06.156883  # [   41.195040] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 4390 13:53:06.166700  # [   41.200519] RAX: ffffffffa597b810 <4>[   41.944101] RSP: 0018:ffffacf9c1c1be38 EFLAGS: 00010246

 4391 13:53:06.169853  RB<X: 0000000000000001 RCX: 0000000000000000

 4392 13:53:06.180168  # [   41.207904] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 4393 13:53:06.186709  # [   41.215291] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 4394 13:53:06.196729  # [   41.222678] R10: 00000000ffffe000 R11:4>[   41.971764] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4395 13:53:06.199813   3<fffffffffffffff R12: 0000000000000004

 4396 13:53:06.206676  # [   41.230061] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 4397 13:53:06.216519  # [   41.237447] FS:  00007fd022c9a580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4398 13:53:06.226478  # [   41.245783] CS:  0010 DS: 0000 4>[   42.001335] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 4399 13:53:06.229717  ES: 0000 CR0: 0000000080050033

 4400 13:53:06.236050  # [   41.251781] CR2: ffff89a1c265a700 CR3: 0000000102c64000 CR4: 00000000001506e0

 4401 13:53:06.246073  # [   41.259167] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4402 13:53:06.255816  # [   41.268284] in_atomic(): 0, irq<4>[   42.030908] RBP: ffffacf9c0761000 R08: 0000000000000000 R09: 0000000000000000

 4403 13:53:06.258846  s_<disabled(): 1, non_block: 0, pid: 1633, name: cat

 4404 13:53:06.265848  # [   41.276101] INFO: lockdep is turned off.

 4405 13:53:06.268944  # [   41.280279] irq event stamp: 0

 4406 13:53:06.275885  # [   41.283599] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4407 13:53:06.286055  # [   41.290118] hardirqs last disabled at (04>[   42.060475] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4408 13:53:06.289000  ):< [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4409 13:53:06.299116  # [   41.298545] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4410 13:53:06.305556  # [   41.306971] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4411 13:53:06.315497  # [   41.313490] CPU: 1 PID: 1633 C4>[   42.090050] R13: ffffacf9c1c1bf10 R14: ffffacf9c1c1bf10 R15: ffff89a1c2991000

 4412 13:53:06.318661  omm: cat Tainted: G      D W         5.10.201-cip41 #1

 4413 13:53:06.325406  # [   41.321480] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4414 13:53:06.328892  # [   41.327649] Call Trace:

 4415 13:53:06.331923  # [   41.330360]  dump_stack+0x77/0x9b

 4416 13:53:06.335328  # [   41.333933]  ___might_sleep.cold+0xa6/0xb6

 4417 13:53:06.344913  # [   41.33<4>[   42.119620] FS:  00007f6dcd7fd580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4418 13:53:06.348164  82<87]  exit_signals+0x1c/0x300

 4419 13:53:06.351526  # [   41.342118]  do_exit+0xc2/0xab0

 4420 13:53:06.354673  # [   41.345518]  ? ksys_write+0x68/0xf0

 4421 13:53:06.358107  # [   41.349265]  make_task_dead+0x2f/0x30

 4422 13:53:06.364763  # [   41.353186]  rewind_stack_and_make_dead+0x17/0x20

 4423 13:53:06.368063  # [   41.358143] RIP: 0033:0x7fd022ba6473

 4424 13:53:06.374794  #4>[   42.150144] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4425 13:53:06.391426   [<   41.361973] 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

 4426 13:53:06.404707  # [   41.380971] RSP: 002b:00007ffed34f4>[   42.178342] CR2: ffffacf9c0760fd6 CR3: 000000010350c000 CR4: 00000000001506e0

 4427 13:53:06.407608  <4>[   42.207913] Call Trace:

 4428 13:53:06.410775  b408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4429 13:53:06.417803  # [   41.388789] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fd022ba6473

 4430 13:53:06.423911  # [   41.396175] RDX: 000000000000000d RSI: 00007fd022a9a000 RDI: 0000000000000001

 4431 13:53:06.434216  # [   41.403559] RBP: 00007fd022a9a000<4>[   42.210625]  ? __die_body.cold+0x1a/0x1f

 4432 13:53:06.437557   R08: 00007fd022a99010 R09: 0000000000000000

 4433 13:53:06.443893  # [   41.410943] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4434 13:53:06.450283  # [   41.418328] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4435 13:53:06.453922  # EXEC_KMALLOC: saw 'call trace:': ok

 4436 13:53:06.457080  ok <4>[   42.236982]  ? no_context+0x177/0x380

 4437 13:53:06.460254  32 selftests: lkdtm: EXEC_KMALLOC.sh

 4438 13:53:06.463650  # selftests: lkdtm: EXEC_VMALLOC.sh

 4439 13:53:06.470313  <4>[   42.263086]  ? exc_page_fault+0xd7/0x170

 4440 13:53:06.473483  <4>[   42.273756]  ? asm_exc_page_fault+0x1e/0x30

 4441 13:53:06.476923  <4>[   42.278202]  ? execute_location+0x48/0x56

 4442 13:53:06.483527  <4>[   42.282469]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4443 13:53:06.486820  <4>[   42.286908]  ? direct_entry.cold+0x2c/0x38

 4444 13:53:06.490423  <4>[   42.291264]  ? full_proxy_write+0x56/0x80

 4445 13:53:06.493530  <4>[   42.295530]  ? vfs_write+0xea/0x3b0

 4446 13:53:06.499952  <4>[   42.299275]  ? ksys_write+0x68/0xf0

 4447 13:53:06.503618  <4>[   42.303021]  ? do_syscall_64+0x33/0x40

 4448 13:53:06.506669  <4>[   42.307024]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4449 13:53:06.549678  <4>[   42.312506] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4450 13:53:06.553220  <4>[   42.352433] CR2: ffffacf9c0761000

 4451 13:53:06.556701  <4>[   42.356006] ---[ end trace e32a66cc720e815f ]---

 4452 13:53:06.559723  <4>[   42.360877] RIP: 0010:lkdtm_BUG+0x5/0x10

 4453 13:53:06.579155  <4>[   42.365055] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 4454 13:53:06.586161  <4>[   42.384054] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 4455 13:53:06.593009  <4>[   42.389534] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 4456 13:53:06.599170  <4>[   42.396918] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 4457 13:53:06.605447  <4>[   42.404303] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 4458 13:53:06.615333  <4>[   42.411688] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4459 13:53:06.622361  <4>[   42.419074] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 4460 13:53:06.628467  <4>[   42.426459] FS:  00007f6dcd7fd580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4461 13:53:06.635159  <4>[   42.434798] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4462 13:53:06.645381  <4>[   42.440797] CR2: ffffacf9c0760fd6 CR3: 000000010350c000 CR4: 00000000001506e0

 4463 13:53:06.651759  <3>[   42.448184] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4464 13:53:06.661579  <3>[   42.457301] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1670, name: cat

 4465 13:53:06.664827  <4>[   42.465119] INFO: lockdep is turned off.

 4466 13:53:06.668488  <4>[   42.469297] irq event stamp: 0

 4467 13:53:06.674964  <4>[   42.472607] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4468 13:53:06.681611  <4>[   42.479127] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4469 13:53:06.691776  <4>[   42.487552] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4470 13:53:06.697913  <4>[   42.495976] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4471 13:53:06.704677  <4>[   42.502496] CPU: 1 PID: 1670 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4472 13:53:06.711125  <4>[   42.510486] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4473 13:53:06.714376  <4>[   42.516655] Call Trace:

 4474 13:53:06.718048  <4>[   42.519361]  dump_stack+0x77/0x9b

 4475 13:53:06.724443  <4>[   42.522935]  ___might_sleep.cold+0xa6/0xb6

 4476 13:53:06.727940  <4>[   42.527291]  exit_signals+0x1c/0x300

 4477 13:53:06.731026  <4>[   42.531122]  do_exit+0xc2/0xab0

 4478 13:53:06.734128  <4>[   42.534522]  ? ksys_write+0x68/0xf0

 4479 13:53:06.737907  <4>[   42.538268]  make_task_dead+0x2f/0x30

 4480 13:53:06.744302  <4>[   42.542189]  rewind_stack_and_make_dead+0x17/0x20

 4481 13:53:06.747582  <4>[   42.547147] RIP: 0033:0x7f6dcd6d6473

 4482 13:53:06.763819  <4>[   42.550980] 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

 4483 13:53:06.773630  <4>[   42.569978] RSP: 002b:00007ffc12f31ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4484 13:53:06.780379  <4>[   42.577798] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f6dcd6d6473

 4485 13:53:06.786694  <4>[   42.585185] RDX: 000000000000000d RSI: 00007f6dcd5ca000 RDI: 0000000000000001

 4486 13:53:06.796814  <4>[   42.592569] RBP: 00007f6dcd5ca000 R08: 00007f6dcd5c9010 R09: 0000000000000000

 4487 13:53:06.803098  <4>[   42.599951] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4488 13:53:06.809386  <4>[   42.607335] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4489 13:53:07.004723  <6>[   42.804836] lkdtm: Performing direct entry EXEC_RODATA

 4490 13:53:07.004888  # Killed

 4491 13:53:07.011601  # [   41.595828] lkdtm: Performing direct entry EXEC_VMALLOC

 4492 13:53:07.017986  # [   41.601335] lkdtm: attempting ok execution at ffffffffa597bbe0

 4493 13:53:07.024628  # [   41.629607] lkdtm: attempting bad execution at ffffacf9c0761000

 4494 13:53:07.034871  # [   41.657979] kernel tried to execute NX-p<6>[   42.810246] lkdtm: attempting ok execution at ffffffffa597bbe0

 4495 13:53:07.037767  rotected page - exploit attempt? (uid: 0)

 4496 13:53:07.044434  # [   41.687858] BUG: unable to handle page fault for address: ffffacf9c0761000

 4497 13:53:07.051290  # [   41.717163] #PF: supervisor instruction fetch in kernel mode

 4498 13:53:07.054320  # [   41.745261] #PF: error_code(0x0011) - permissions violation

 4499 13:53:07.061079  <6>[   42.838588] lkdtm: attempting bad execution at ffffffffa6af8540

 4500 13:53:07.061176  

 4501 13:53:07.070969  # [   41.773270] PGD 100000067 P4D 100000067 PUD 10023e067 PMD 1050d5067 PTE 8000000102991163

 4502 13:53:07.074508  # [   41.803795] Oops: 0011 [#8] SMP NOPTI

 4503 13:53:07.080876  # [   41.829899] CPU: 1 PID: 1670 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4504 13:53:07.090793  # [   41.860071] Hardware<2>[   42.866913] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4505 13:53:07.097796   name: Google Grunt/Grunt, BIOS  09/05/2019

 4506 13:53:07.101062  # [   41.888430] RIP: 0010:0xffffacf9c0761000

 4507 13:53:07.107646  # [   41.914797] Code: Unable to access opcode bytes at RIP 0xffffacf9c0760fd6.

 4508 13:53:07.110866  # [   41.944101] RSP: 0018:ffffacf9c1c1be38 EFLAGS: 00010246

 4509 13:53:07.120783  # [   41.971764] RAX:<1>[   42.896788] BUG: unable to handle page fault for address: ffffffffa6af8540

 4510 13:53:07.127105   0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4511 13:53:07.133953  # [   42.001335] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 4512 13:53:07.140537  # [   42.030908] RBP: ffffacf9c0761000 R08: 0000000000000000 R09: 0000000000000000

 4513 13:53:07.150050  # [   42.060475] R10: 000<1>[   42.926094] #PF: supervisor instruction fetch in kernel mode

 4514 13:53:07.153827  <1>[   42.954189] #PF: error_code(0x0011) - permissions violation

 4515 13:53:07.160069  00000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4516 13:53:07.166659  # [   42.090050] R13: ffffacf9c1c1bf10 R14: ffffacf9c1c1bf10 R15: ffff89a1c2991000

 4517 13:53:07.176837  # [   42.119620] FS:  00007f6dcd7fd580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4518 13:53:07.183379  # [   42.150144] C<6>[   42.960014] PGD c5629067 P4D c5629067 PUD c562a063 PMD 80000000c4e001e1 

 4519 13:53:07.189673  S:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4520 13:53:07.196242  # [   42.178342] CR2: ffffacf9c0760fd6 CR3: 000000010350c000 CR4: 00000000001506e0

 4521 13:53:07.199623  # [   42.207913] Call Trace:

 4522 13:53:07.203147  # [   42.210625]  ? __die_body.cold+0x1a/0x1f

 4523 13:53:07.206205  # [   42.236982]  ? no_context+0x177/0x380

 4524 13:53:07.209726  #<4>[   42.989148] Oops: 0011 [#9] SMP NOPTI

 4525 13:53:07.213121   [   42.263086]  ? exc_page_fault+0xd7/0x170

 4526 13:53:07.219382  # [   42.273756]  ? asm_exc_page_fault+0x1e/0x30

 4527 13:53:07.223079  # [   42.278202]  ? execute_location+0x48/0x56

 4528 13:53:07.226317  # [   42.282469]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4529 13:53:07.232976  # [   42.286908]  ? direct_entry.cold+0x2c/0x38

 4530 13:53:07.239356  # [   42.2912<4>[   43.015251] CPU: 1 PID: 1707 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4531 13:53:07.243036  64<]  ? full_proxy_write+0x56/0x80

 4532 13:53:07.246150  # [   42.295530]  ? vfs_write+0xea/0x3b0

 4533 13:53:07.249129  # [   42.299275]  ? ksys_write+0x68/0xf0

 4534 13:53:07.255983  # [   42.303021]  ? do_syscall_64+0x33/0x40

 4535 13:53:07.259180  # [   42.307024]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4536 13:53:07.268995  # [   42.312506] Modules linke4>[   43.045423] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4537 13:53:07.295404  d in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_m<4>[   43.073789] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4538 13:53:07.312026  ach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4539 13:53:07.315545  # [   42.352433] CR2: ffffacf9c0761000

 4540 13:53:07.338805  # [   42.356006] ---[ end trace e32a66cc720<4>[   43.101361] Code: ff ff ae fb 05 a6 ff ff ff ff d2 25 f8 a6 ff ff ff ff f4 e2 05 a6 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

 4541 13:53:07.338900  e815f ]---

 4542 13:53:07.341717  # [   42.360877] RIP: 0010:lkdtm_BUG+0x5/0x10

 4543 13:53:07.365296  # [   42.365055] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 0<4>[   43.142543] RSP: 0018:ffffacf9c1ccbe48 EFLAGS: 00010246

 4544 13:53:07.368701  0 <83 05 a0 64 0b 03

 4545 13:53:07.371591  # [   42.384054] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 4546 13:53:07.378597  # [   42.389534] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 4547 13:53:07.388151  # [   42.396918] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 4548 13:53:07.394594  # [  4>[   43.170207] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4549 13:53:07.401172   4<2.404303] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 4550 13:53:07.408397  # [   42.411688] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4551 13:53:07.417916  # [   42.419074] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 4552 13:53:07.424765  # [   42.4>[   43.199777] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 4553 13:53:07.430867  42<6459] FS:  00007f6dcd7fd580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4554 13:53:07.437806  # [   42.434798] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4555 13:53:07.444533  # [   42.440797] CR2: ffffacf9c0760fd6 CR3: 000000010350c000 CR4: 00000000001506e0

 4556 13:53:07.454000  # [   42.448184] B4>[   43.229346] RBP: ffffffffa6af8540 R08: 0000000000000000 R09: 0000000000000000

 4557 13:53:07.460578  UG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4558 13:53:07.470861  # [   42.457301] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1670, name: cat

 4559 13:53:07.474080  # [   42.465119] INFO: lockdep is turned off.

 4560 13:53:07.484106  # [   42.469297] irq event stamp: <4>[   43.258918] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4561 13:53:07.484185  0

 4562 13:53:07.484252  <

 4563 13:53:07.490712  # [   42.472607] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4564 13:53:07.497398  # [   42.479127] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4565 13:53:07.513689  # [   42.487552] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+04>[   43.288487] R13: ffffacf9c1ccbf10 R14: ffffacf9c1ccbf10 R15: ffff89a1c3ab8000

 4566 13:53:07.513772  x65c/0x20e0

 4567 13:53:07.520412  # [   42.495976] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4568 13:53:07.526819  # [   42.502496] CPU: 1 PID: 1670 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4569 13:53:07.533756  # [   42.510486] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4570 13:53:07.543300  # [   42<4>[   43.318059] FS:  00007f774f8a5580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4571 13:53:07.547238  .5<16655] Call Trace:

 4572 13:53:07.550187  # [   42.519361]  dump_stack+0x77/0x9b

 4573 13:53:07.553354  # [   42.522935]  ___might_sleep.cold+0xa6/0xb6

 4574 13:53:07.556540  # [   42.527291]  exit_signals+0x1c/0x300

 4575 13:53:07.560079  # [   42.531122]  do_exit+0xc2/0xab0

 4576 13:53:07.563599  # [   42.534522]  ? ksys_write+0x68/0xf0

 4577 13:53:07.573088  # [   42.538268]  make4>[   43.348580] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4578 13:53:07.573170  _t<ask_dead+0x2f/0x30

 4579 13:53:07.580132  # [   42.542189]  rewind_stack_and_make_dead+0x17/0x20

 4580 13:53:07.583147  # [   42.547147] RIP: 0033:0x7f6dcd6d6473

 4581 13:53:07.602931  # [   42.550980] 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 04>[   43.376764] CR2: ffffffffa6af8540 CR3: 00000001029ea000 CR4: 00000000001506e0

 4582 13:53:07.603021  <4>[   43.406335] Call Trace:

 4583 13:53:07.609959  0 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

 4584 13:53:07.619677  # [   42.569978] RSP: 002b:00007ffc12f31ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4585 13:53:07.626025  # [   42.577798] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f6dcd6d6473

 4586 13:53:07.629546  <4>[   43.409046]  ? __die_body.cold+0x1a/0x1f

 4587 13:53:07.639220  # [   42.585185] RDX: 000000000000000d RSI: 00007f6dcd5ca000 RDI: 0000000000000001

 4588 13:53:07.645816  # [   42.592569] RBP: 00007f6dcd5ca000 R08: 00007f6dcd5c9010 R09: 0000000000000000

 4589 13:53:07.652699  # [   42.599951] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4590 13:53:07.656015  # [ <4>[   43.435402]  ? no_context+0x177/0x380

 4591 13:53:07.662423    42.607335] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4592 13:53:07.665798  # EXEC_VMALLOC: saw 'call trace:': ok

 4593 13:53:07.669148  ok 33 selftests: lkdtm: EXEC_VMALLOC.sh

 4594 13:53:07.672291  # selftests: lkdtm: EXEC_RODATA.sh

 4595 13:53:07.679096  <4>[   43.461508]  ? exc_page_fault+0xd7/0x170

 4596 13:53:07.682280  <4>[   43.482666]  ? asm_exc_page_fault+0x1e/0x30

 4597 13:53:07.686088  <4>[   43.487111]  ? execute_location+0x48/0x56

 4598 13:53:07.692471  <4>[   43.491375]  ? direct_entry.cold+0x2c/0x38

 4599 13:53:07.695454  <4>[   43.495735]  ? full_proxy_write+0x56/0x80

 4600 13:53:07.699114  <4>[   43.500001]  ? vfs_write+0xea/0x3b0

 4601 13:53:07.701897  <4>[   43.503754]  ? ksys_write+0x68/0xf0

 4602 13:53:07.705808  <4>[   43.507500]  ? do_syscall_64+0x33/0x40

 4603 13:53:07.712426  <4>[   43.511505]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4604 13:53:07.751687  <4>[   43.516988] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4605 13:53:07.755486  <4>[   43.556914] CR2: ffffffffa6af8540

 4606 13:53:07.761700  <4>[   43.560487] ---[ end trace e32a66cc720e8160 ]---

 4607 13:53:07.764827  <4>[   43.565361] RIP: 0010:lkdtm_BUG+0x5/0x10

 4608 13:53:07.784913  <4>[   43.569538] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 4609 13:53:07.787980  <4>[   43.588537] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 4610 13:53:07.798206  <4>[   43.594016] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 4611 13:53:07.804850  <4>[   43.601401] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 4612 13:53:07.811591  <4>[   43.608791] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 4613 13:53:07.817840  <4>[   43.616176] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4614 13:53:07.824539  <4>[   43.623560] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 4615 13:53:07.834796  <4>[   43.630953] FS:  00007f774f8a5580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4616 13:53:07.841074  <4>[   43.639291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4617 13:53:07.847713  <4>[   43.645288] CR2: ffffffffa6af8540 CR3: 00000001029ea000 CR4: 00000000001506e0

 4618 13:53:07.857541  <3>[   43.652674] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4619 13:53:07.864462  <3>[   43.661791] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1707, name: cat

 4620 13:53:07.867540  <4>[   43.669610] INFO: lockdep is turned off.

 4621 13:53:07.871076  <4>[   43.673786] irq event stamp: 0

 4622 13:53:07.877635  <4>[   43.677096] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4623 13:53:07.887501  <4>[   43.683616] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4624 13:53:07.893860  <4>[   43.692042] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4625 13:53:07.900812  <4>[   43.700468] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4626 13:53:07.910719  <4>[   43.706989] CPU: 1 PID: 1707 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4627 13:53:07.917594  <4>[   43.714979] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4628 13:53:07.920560  <4>[   43.721148] Call Trace:

 4629 13:53:07.923594  <4>[   43.723855]  dump_stack+0x77/0x9b

 4630 13:53:07.927286  <4>[   43.727431]  ___might_sleep.cold+0xa6/0xb6

 4631 13:53:07.930412  <4>[   43.731785]  exit_signals+0x1c/0x300

 4632 13:53:07.933766  <4>[   43.735616]  do_exit+0xc2/0xab0

 4633 13:53:07.936983  <4>[   43.739015]  ? ksys_write+0x68/0xf0

 4634 13:53:07.940111  <4>[   43.742761]  make_task_dead+0x2f/0x30

 4635 13:53:07.946844  <4>[   43.746682]  rewind_stack_and_make_dead+0x17/0x20

 4636 13:53:07.950332  <4>[   43.751641] RIP: 0033:0x7f774f77e473

 4637 13:53:07.970233  <4>[   43.755474] 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

 4638 13:53:07.976908  <4>[   43.774472] RSP: 002b:00007ffe968276e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4639 13:53:07.983543  <4>[   43.782292] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f774f77e473

 4640 13:53:07.993158  <4>[   43.789678] RDX: 000000000000000c RSI: 00007f774f672000 RDI: 0000000000000001

 4641 13:53:07.999868  <4>[   43.797060] RBP: 00007f774f672000 R08: 00007f774f671010 R09: 0000000000000000

 4642 13:53:08.006594  <4>[   43.804445] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4643 13:53:08.013258  <4>[   43.811827] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4644 13:53:08.262645  <6>[   44.062874] lkdtm: Performing direct entry EXEC_USERSPACE

 4645 13:53:08.262806  # Killed

 4646 13:53:08.269844  # [   42.804836] lkdtm: Performing direct entry EXEC_RODATA

 4647 13:53:08.276233  # [   42.810246] lkdtm: attempting ok execution at ffffffffa597bbe0

 4648 13:53:08.282903  # [   42.838588] lkdtm: attempting bad execution at ffffffffa6af8540

 4649 13:53:08.292795  # [   42.866913] kernel tried to execute NX-pr<6>[   44.068550] lkdtm: attempting ok execution at ffffffffa597bbe0

 4650 13:53:08.296457  otected page - exploit attempt? (uid: 0)

 4651 13:53:08.302731  # [   42.896788] BUG: unable to handle page fault for address: ffffffffa6af8540

 4652 13:53:08.309054  # [   42.926094] #PF: supervisor instruction fetch in kernel mode

 4653 13:53:08.312571  # [   42.954189] #PF: error_code(0x0011) - permissions violation

 4654 13:53:08.319000  <6>[   44.096850] lkdtm: attempting bad execution at 00007f4215658000

 4655 13:53:08.325833  # [   42.960014] PGD c5629067 P4D c5629067 PUD c562a063 PMD 80000000c4e001e1 

 4656 13:53:08.332625  # [   42.989148] Oops: 0011 [#9] SMP NOPTI

 4657 13:53:08.338993  # [   43.015251] CPU: 1 PID: 1707 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4658 13:53:08.348860  # [   43.045423] Hardware name: Google Gru<2>[   44.125230] unable to execute userspace code (SMEP?) (uid: 0)

 4659 13:53:08.352206  nt</Grunt, BIOS  09/05/2019

 4660 13:53:08.355362  # [   43.073789] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4661 13:53:08.378359  # [   43.101361] Code: ff ff ae fb 05 a6 ff ff ff ff d2 25 f8 a6 ff ff ff ff f4 e2 05 a6 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 01>[   44.153340] BUG: unable to handle page fault for address: 00007f4215658000

 4662 13:53:08.382037  0 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69

 4663 13:53:08.388701  # [   43.142543] RSP: 0018:ffffacf9c1ccbe48 EFLAGS: 00010246

 4664 13:53:08.395092  # [   43.170207] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4665 13:53:08.405040  # [   43.199777] RDX: 0000000000000000 RSI: ffff89a1ead1bf5<1>[   44.182654] #PF: supervisor instruction fetch in kernel mode

 4666 13:53:08.408551  0 <RDI: ffff89a1ead1bf50

 4667 13:53:08.414776  # [   43.229346] RBP: ffffffffa6af8540 R08: 0000000000000000 R09: 0000000000000000

 4668 13:53:08.421582  # [   43.258918] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4669 13:53:08.434802  # [   43.288487] R13: ffffacf9c1ccbf10 R14: ffffacf9c1ccbf10 R11>[   44.210749] #PF: error_code(0x0011) - permissions violation

 4670 13:53:08.434886  5: ffff89a1c3ab8000

 4671 13:53:08.444738  # [   43.318059] FS:  00007f774f8a5580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4672 13:53:08.451066  # [   43.348580] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4673 13:53:08.464377  # [   43.376764] CR2: ffffffffa6af8540 CR3: 00000001029ea000 CR4: 000000<6>[   44.238759] PGD 103b97067 P4D 103b97067 PUD 10345e067 PMD 105223067 PTE 108e7b067

 4674 13:53:08.464466  00001506e0

 4675 13:53:08.467749  # [   43.406335] Call Trace:

 4676 13:53:08.471226  # [   43.409046]  ? __die_body.cold+0x1a/0x1f

 4677 13:53:08.474570  # [   43.435402]  ? no_context+0x177/0x380

 4678 13:53:08.480808  # [   43.461508]  ? exc_page_fault+0xd7/0x170

 4679 13:53:08.484550  # [   43.482666]  ? asm_exc_page_fault+0x1e/0x30

 4680 13:53:08.490729  # [   43.487111]  ? execut<4>[   44.268675] Oops: 0011 [#10] SMP NOPTI

 4681 13:53:08.490813  e_location+0x48/0x56

 4682 13:53:08.497196  # [   43.491375]  ? direct_entry.cold+0x2c/0x38

 4683 13:53:08.500840  # [   43.495735]  ? full_proxy_write+0x56/0x80

 4684 13:53:08.503872  # [   43.500001]  ? vfs_write+0xea/0x3b0

 4685 13:53:08.507509  # [   43.503754]  ? ksys_write+0x68/0xf0

 4686 13:53:08.510600  # [   43.507500]  ? do_syscall_64+0x33/0x40

 4687 13:53:08.520483  # [   43<4>[   44.294867] CPU: 1 PID: 1744 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4688 13:53:08.524141  .5<11505]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4689 13:53:08.547186  # [   43.516988] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobu4>[   44.325038] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4690 13:53:08.570370  f2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4691 13:53:08.573262  <4>[   44.353398] RIP: 0010:0x7f4215658000

 4692 13:53:08.579823  <4>[   44.379414] Code: Unable to access opcode bytes at RIP 0x7f4215657fd6.

 4693 13:53:08.579927  

 4694 13:53:08.583074  # [   43.556914] CR2: ffffffffa6af8540

 4695 13:53:08.589782  # [   43.560487] ---[ end trace e32a66cc720e8160 ]---

 4696 13:53:08.593518  # [   43.565361] RIP: 0010:lkdtm_BUG+0x5/0x10

 4697 13:53:08.609821  # [   43.569538] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 48 c7 <4>[   44.386191] RSP: 0018:ffffacf9c1d7be50 EFLAGS: 00010246

 4698 13:53:08.619761  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 a0 64 0b 03

 4699 13:53:08.623244  # [   43.588537] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 4700 13:53:08.629590  # [   43.594016] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 4701 13:53:08.639340  # [  4>[   44.413851] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4702 13:53:08.646196   4<3.601401] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 4703 13:53:08.653083  # [   43.608791] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 4704 13:53:08.659385  # [   43.616176] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4705 13:53:08.669223  # [   43.4>[   44.443423] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 4706 13:53:08.675895  <4>[   44.472994] RBP: 00007f4215658000 R08: 0000000000000000 R09: 0000000000000000

 4707 13:53:08.682439  623560] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 4708 13:53:08.689101  # [   43.630953] FS:  00007f774f8a5580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4709 13:53:08.695986  # [   43.639291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4710 13:53:08.705818  # [   43.645288] C<4>[   44.480377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 4711 13:53:08.712633  R2: ffffffffa6af8540 CR3: 00000001029ea000 CR4: 00000000001506e0

 4712 13:53:08.718929  # [   43.652674] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4713 13:53:08.735808  # [   43.661791] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1707, name: ca<4>[   44.509946] R13: ffffacf9c1d7bf10 R14: ffffacf9c1d7bf10 R15: ffff89a1c3f54000

 4714 13:53:08.735903  t

 4715 13:53:08.739017  # [   43.669610] INFO: lockdep is turned off.

 4716 13:53:08.742394  # [   43.673786] irq event stamp: 0

 4717 13:53:08.748644  # [   43.677096] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4718 13:53:08.755601  # [   43.683616] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4719 13:53:08.765445  <4>[   44.539516] FS:  00007f421565a580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4720 13:53:08.765554  

 4721 13:53:08.775378  #< [   43.692042] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 4722 13:53:08.778507  # [   43.700468] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4723 13:53:08.791798  # [   43.706989] CPU: 1 PID: 1707 Comm: cat Tainted: G      D W         5.10.201-cip44>[   44.570038] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4724 13:53:08.794846  1 <#1

 4725 13:53:08.801704  # [   43.714979] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4726 13:53:08.801817  # [   43.721148] Call Trace:

 4727 13:53:08.805057  # [   43.723855]  dump_stack+0x77/0x9b

 4728 13:53:08.811691  # [   43.727431]  ___might_sleep.cold+0xa6/0xb6

 4729 13:53:08.814632  # [   43.731785]  exit_signals+0x1c/0x300

 4730 13:53:08.821351  # [   43.735616]  4>[   44.598223] CR2: 00007f4215658000 CR3: 00000001028bc000 CR4: 00000000001506e0

 4731 13:53:08.825091  <4>[   44.627794] Call Trace:

 4732 13:53:08.828068  do_exit+0xc2/0xab0

 4733 13:53:08.831148  # [   43.739015]  ? ksys_write+0x68/0xf0

 4734 13:53:08.834553  # [   43.742761]  make_task_dead+0x2f/0x30

 4735 13:53:08.838235  # [   43.746682]  rewind_stack_and_make_dead+0x17/0x20

 4736 13:53:08.844403  # [   43.751641] RIP: 0033:0x7f774f77e473

 4737 13:53:08.851366  # [   43.755474] Code: 8b 15 21 2a 0e 00 f7 d8 64 8<4>[   44.630508]  ? __die_body.cold+0x1a/0x1f

 4738 13:53:08.867796  9 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

 4739 13:53:08.874309  # [   43.774472] RSP: 002b:00007ffe968276e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4740 13:53:08.877964  <4>[   44.656864]  ? no_context+0x177/0x380

 4741 13:53:08.884771  # [   43.782292] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f774f77e473

 4742 13:53:08.891201  # [   43.789678] RDX: 000000000000000c RSI: 00007f774f672000 RDI: 0000000000000001

 4743 13:53:08.901066  # [   43.797060] RBP: 00007f774f672000 R08: 00007f774f671010 R09: 0000000000000000

 4744 13:53:08.904395  # [ <4>[   44.682967]  ? exc_page_fault+0x53/0x170

 4745 13:53:08.911063    43.804445] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4746 13:53:08.917243  # [   43.811827] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4747 13:53:08.920811  # EXEC_RODATA: saw 'call trace:': ok

 4748 13:53:08.923925  ok 34 selftests: lkdtm: EXEC_RODATA.sh

 4749 13:53:08.930659  # selftests: l<4>[   44.709324]  ? asm_exc_page_fault+0x1e/0x30

 4750 13:53:08.933814  kdtm: EXEC_USERSPACE.sh

 4751 13:53:08.937660  <4>[   44.735953]  ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae

 4752 13:53:08.944226  <4>[   44.743155]  ? direct_entry.cold+0x2c/0x38

 4753 13:53:08.947372  <4>[   44.747509]  ? full_proxy_write+0x56/0x80

 4754 13:53:08.950662  <4>[   44.751776]  ? vfs_write+0xea/0x3b0

 4755 13:53:08.953715  <4>[   44.755520]  ? ksys_write+0x68/0xf0

 4756 13:53:08.957403  <4>[   44.759264]  ? do_syscall_64+0x33/0x40

 4757 13:53:08.963660  <4>[   44.763269]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4758 13:53:09.003403  <4>[   44.768750] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4759 13:53:09.006565  <4>[   44.808675] CR2: 00007f4215658000

 4760 13:53:09.013545  <4>[   44.812292] ---[ end trace e32a66cc720e8161 ]---

 4761 13:53:09.016584  <4>[   44.817187] RIP: 0010:lkdtm_BUG+0x5/0x10

 4762 13:53:09.036819  <4>[   44.821475] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 4763 13:53:09.039977  <4>[   44.840500] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 4764 13:53:09.049890  <4>[   44.846055] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 4765 13:53:09.056635  <4>[   44.853472] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 4766 13:53:09.063061  <4>[   44.860912] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 4767 13:53:09.069818  <4>[   44.868325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4768 13:53:09.079828  <4>[   44.875752] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 4769 13:53:09.086235  <4>[   44.883171] FS:  00007f421565a580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4770 13:53:09.092705  <4>[   44.891545] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4771 13:53:09.099681  <4>[   44.897577] CR2: 00007f4215658000 CR3: 00000001028bc000 CR4: 00000000001506e0

 4772 13:53:09.102465  # Killed

 4773 13:53:09.146461  # [   44.062874] lkdtm: Performing direct entry EXEC_USERSPACE

 4774 13:53:09.153094  # [   44.068550] lkdtm: attempting ok execution at ffffffffa597bbe0

 4775 13:53:09.159865  # [   44.096850] lkdtm: attempting bad execution at 00007f4215658000

 4776 13:53:09.166300  # [   44.125230] unable to execute userspace code (SMEP?) (uid: 0)

 4777 13:53:09.172841  # [   44.153340] BUG: unable to handle page fault for address: 00007f4215658000

 4778 13:53:09.176555  # [   44.182654] #PF: supervisor instruction fetch in kernel mode

 4779 13:53:09.182843  # [   44.210749] #PF: error_code(0x0011) - permissions violation

 4780 13:53:09.189578  # [   44.238759] PGD 103b97067 P4D 103b97067 PUD 10345e067 PMD 105223067 PTE 108e7b067

 4781 13:53:09.195886  # [   44.268675] Oops: 0011 [#10] SMP NOPTI

 4782 13:53:09.202811  # [   44.294867] CPU: 1 PID: 1744 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4783 13:53:09.209142  # [   44.325038] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4784 13:53:09.212894  # [   44.353398] RIP: 0010:0x7f4215658000

 4785 13:53:09.219329  # [   44.379414] Code: Unable to access opcode bytes at RIP 0x7f4215657fd6.

 4786 13:53:09.225700  # [   44.386191] RSP: 0018:ffffacf9c1d7be50 EFLAGS: 00010246

 4787 13:53:09.232579  # [   44.413851] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4788 13:53:09.238983  # [   44.443423] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 4789 13:53:09.246007  # [   44.472994] RBP: 00007f4215658000 R08: 0000000000000000 R09: 0000000000000000

 4790 13:53:09.252565  # [   44.480377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 4791 13:53:09.262112  # [   44.509946] R13: ffffacf9c1d7bf10 R14: ffffacf9c1d7bf10 R15: ffff89a1c3f54000

 4792 13:53:09.268959  # [   44.539516] FS:  00007f421565a580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4793 13:53:09.278618  # [   44.570038] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080<6>[   45.062037] lkdtm: Performing direct entry EXEC_NULL

 4794 13:53:09.281978  050033

 4795 13:53:09.288568  # [   44.598223] CR2: 00007f4215658000 CR3: 00000001028bc000 CR4: 00000000001506e0

 4796 13:53:09.291984  # [   44.627794] Call Trace:

 4797 13:53:09.295497  # [   44.630508]  ? __die_body.cold+0x1a/0x1f

 4798 13:53:09.298595  # [   44.656864]  ? no_context+0x177/0x380

 4799 13:53:09.308457  # [   44.682967]  ? exc_page_fault+0x53/0x1<6>[   45.084908] lkdtm: attempting ok execution at ffffffffa597bbe0

 4800 13:53:09.308546  70

 4801 13:53:09.311893  # [   44.709324]  ? asm_exc_page_fault+0x1e/0x30

 4802 13:53:09.318027  # [   44.735953]  ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae

 4803 13:53:09.321796  # [   44.743155]  ? direct_entry.cold+0x2c/0x38

 4804 13:53:09.324642  # [   44.747509]  ? full_proxy_write+0x56/0x80

 4805 13:53:09.331299  # [   44.751776]  ? vfs_write+0xea/0x3b0

 4806 13:53:09.338124  # [   <6>[   45.113200] lkdtm: attempting bad execution at 0000000000000000

 4807 13:53:09.338214  44.755520]  ? ksys_write+0x68/0xf0

 4808 13:53:09.344722  # [   44.759264]  ? do_syscall_64+0x33/0x40

 4809 13:53:09.347994  # [   44.763269]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4810 13:53:09.364720  # [   44.768750] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_char<1>[   45.141621] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4811 13:53:09.370969  <1>[   45.170923] #PF: supervisor instruction fetch in kernel mode

 4812 13:53:09.377797  <1>[   45.176837] #PF: error_code(0x0010) - not-present page

 4813 13:53:09.380800  <6>[   45.182229] PGD 0 P4D 0 

 4814 13:53:09.384538  <4>[   45.185025] Oops: 0010 [#11] SMP NOPTI

 4815 13:53:09.390854  <4>[   45.189030] CPU: 0 PID: 1781 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4816 13:53:09.397466  <4>[   45.197021] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4817 13:53:09.401058  <4>[   45.203196] RIP: 0010:0x0

 4818 13:53:09.407419  <4>[   45.206076] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 4819 13:53:09.414289  <4>[   45.213201] RSP: 0018:ffffacf9c1e03e48 EFLAGS: 00010246

 4820 13:53:09.420842  <4>[   45.218677] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4821 13:53:09.427174  <4>[   45.226061] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 4822 13:53:09.436948  <4>[   45.233443] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4823 13:53:09.443499  <4>[   45.240826] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4824 13:53:09.450535  <4>[   45.248209] R13: ffffacf9c1e03f10 R14: ffffacf9c1e03f10 R15: ffff89a1c1e90000

 4825 13:53:09.459916  <4>[   45.255593] FS:  00007f645ac0a580(0000) GS:ffff89a1eac00000(0000) knlGS:0000000000000000

 4826 13:53:09.463628  <4>[   45.263929] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4827 13:53:09.473590  <4>[   45.269925] CR2: ffffffffffffffd6 CR3: 0000000103f22000 CR4: 00000000001506f0

 4828 13:53:09.476778  <4>[   45.277323] Call Trace:

 4829 13:53:09.479935  <4>[   45.280036]  ? __die_body.cold+0x1a/0x1f

 4830 13:53:09.483394  <4>[   45.284220]  ? no_context+0x177/0x380

 4831 13:53:09.486603  <4>[   45.288143]  ? exc_page_fault+0x53/0x170

 4832 13:53:09.493317  <4>[   45.292323]  ? asm_exc_page_fault+0x1e/0x30

 4833 13:53:09.496576  <4>[   45.296769]  execute_location+0x48/0x56

 4834 13:53:09.499603  <4>[   45.300861]  direct_entry.cold+0x2c/0x38

 4835 13:53:09.503133  <4>[   45.305043]  full_proxy_write+0x56/0x80

 4836 13:53:09.506341  <4>[   45.309152]  vfs_write+0xea/0x3b0

 4837 13:53:09.513327  <4>[   45.312723]  ksys_write+0x68/0xf0

 4838 13:53:09.516139  <4>[   45.316295]  do_syscall_64+0x33/0x40

 4839 13:53:09.519755  <4>[   45.320127]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4840 13:53:09.522832  <4>[   45.325432] RIP: 0033:0x7f645aae6473

 4841 13:53:09.542427  <4>[   45.329265] 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

 4842 13:53:09.552679  <4>[   45.348261] RSP: 002b:00007ffdfaf14e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4843 13:53:09.559341  <4>[   45.356081] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f645aae6473

 4844 13:53:09.565822  <4>[   45.363463] RDX: 000000000000000a RSI: 00007f645a9da000 RDI: 0000000000000001

 4845 13:53:09.572556  <4>[   45.370845] RBP: 00007f645a9da000 R08: 00007f645a9d9010 R09: 0000000000000000

 4846 13:53:09.582026  <4>[   45.378227] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4847 13:53:09.588653  <4>[   45.385609] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4848 13:53:09.628090  <4>[   45.392997] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4849 13:53:09.631907  <4>[   45.432922] CR2: 0000000000000000

 4850 13:53:09.657948  ger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_d<4>[   45.436588] ---[ end trace e32a66cc720e8162 ]---

 4851 13:53:09.667964  ma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4852 13:53:09.671044  # [   44.808675] CR2: 00007f4215658000

 4853 13:53:09.674937  # [   44.812292] ---[ end trace e32a66cc720e8161 ]---

 4854 13:53:09.678130  # [   44.817187] RIP: 0010:lkdtm_BUG+0x5/0x10

 4855 13:53:09.684481  # [   44.821475] Code: 8<4>[   45.463638] RIP: 0010:lkdtm_BUG+0x5/0x10

 4856 13:53:09.701071  9 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 4857 13:53:09.707783  # [   44.840500] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 4858 13:53:09.727345  <4>[   45.490024] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 4859 13:53:09.733936  # [   44.846055] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 4860 13:53:09.740767  # [   44.853472] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 4861 13:53:09.746999  # [   44.860912] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 4862 13:53:09.753802  # [ <4>[   45.531200] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 4863 13:53:09.760253    44.868325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4864 13:53:09.767118  # [   44.875752] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 4865 13:53:09.783843  # [   44.883171] FS:  00007f421565a580(0000) GS:ffff89a1ead00000(0000) knlGS:000000000000000<4>[   45.558858] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 4866 13:53:09.783956  0

 4867 13:53:09.790169  # [   44.891545] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4868 13:53:09.796871  # [   44.897577] CR2: 00007f4215658000 CR3: 00000001028bc000 CR4: 00000000001506e0

 4869 13:53:09.799838  # EXEC_USERSPACE: saw 'call trace:': ok

 4870 13:53:09.803643  ok 35 selftests: lkdtm: EXEC_USERSPACE.sh

 4871 13:53:09.813298  # selftests: lkdt<4>[   45.588436] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 4872 13:53:09.813405  m: EXEC_NULL.sh

 4873 13:53:09.823021  <4>[   45.617961] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 4874 13:53:09.830157  <4>[   45.626812] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4875 13:53:09.836514  <4>[   45.634204] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 4876 13:53:09.846446  <4>[   45.641595] FS:  00007f645ac0a580(0000) GS:ffff89a1eac00000(0000) knlGS:0000000000000000

 4877 13:53:09.849588  <4>[   45.649941] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4878 13:53:09.859041  <4>[   45.655947] CR2: ffffffffffffffd6 CR3: 0000000103f22000 CR4: 00000000001506f0

 4879 13:53:09.859155  # Killed

 4880 13:53:09.886918  # [   45.062037] lkdtm: Performing direct entry EXEC_NULL

 4881 13:53:09.893753  # [   45.084908] lkdtm: attempting ok execution at ffffffffa597bbe0

 4882 13:53:09.900045  # [   45.113200] lkdtm: attempting bad execution at 0000000000000000

 4883 13:53:09.906971  # [   45.141621] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4884 13:53:09.913302  # [   45.170923] #PF: supervisor instruction fetch in kernel mode

 4885 13:53:09.917208  # [   45.176837] #PF: error_code(0x0010) - not-present page

 4886 13:53:09.920278  # [   45.182229] PGD 0 P4D 0 

 4887 13:53:09.923304  # [   45.185025] Oops: 0010 [#11] SMP NOPTI

 4888 13:53:09.933200  # [   45.189030] CPU: 0 PID: 1781 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4889 13:53:09.936691  # [   45.197021] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4890 13:53:09.940084  # [   45.203196] RIP: 0010:0x0

 4891 13:53:09.946738  # [   45.206076] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 4892 13:53:09.953192  # [   45.213201] RSP: 0018:ffffacf9c1e03e48 EFLAGS: 00010246

 4893 13:53:09.959742  # [   45.218677] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4894 13:53:09.966359  # [   45.226061] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 4895 13:53:09.976190  # [   45.233443] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4896 13:53:09.983119  # [   45.240826] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4897 13:53:09.989574  # [   45.248209] R13: ffffacf9c1e03f10 R14: ffffacf9c1e03f10 R15: ffff89a1c1e90000

 4898 13:53:09.996543  # [   45.255593] FS:  00007f645ac0a580(0000) GS:ffff89a1eac00000(0000) knlGS:0000000000000000

 4899 13:53:10.002643  <6>[   45.800067] lkdtm: Performing direct entry ACCESS_USERSPACE

 4900 13:53:10.002735  

 4901 13:53:10.009608  # [   45.263929] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4902 13:53:10.015942  # [   45.269925] CR2: ffffffffffffffd6 CR3: 0000000103f22000 CR4: 00000000001506f0

 4903 13:53:10.019161  # [   45.277323] Call Trace:

 4904 13:53:10.022708  # [   45.280036]  ? __die_body.cold+0x1a/0x1f

 4905 13:53:10.032800  # [   45.284220]  ? no_con<6>[   45.808455] lkdtm: attempting bad read at 00007f6ac044c000

 4906 13:53:10.032909  text+0x177/0x380

 4907 13:53:10.035743  # [   45.288143]  ? exc_page_fault+0x53/0x170

 4908 13:53:10.042661  # [   45.292323]  ? asm_exc_page_fault+0x1e/0x30

 4909 13:53:10.045596  # [   45.296769]  execute_location+0x48/0x56

 4910 13:53:10.049121  # [   45.300861]  direct_entry.cold+0x2c/0x38

 4911 13:53:10.052209  # [   45.305043]  full_proxy_write+0x56/0x80

 4912 13:53:10.059037  # <3>[   45.836361] lkdtm: FAIL: survived bad read

 4913 13:53:10.062123  [   45.309152]  vfs_write+0xea/0x3b0

 4914 13:53:10.065745  # [   45.312723]  ksys_write+0x68/0xf0

 4915 13:53:10.069056  # [   45.316295]  do_syscall_64+0x33/0x40

 4916 13:53:10.072410  # [   45.320127]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4917 13:53:10.078632  # [   45.325432] RIP: 0033:0x7f645aae6473

 4918 13:53:10.085496  # [   45.329265] Code: 8b 15 21 <6>[   45.862938] lkdtm: attempting bad write at 00007f6ac044c000

 4919 13:53:10.101747  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

 4920 13:53:10.112147  # [   45.348261] RSP: 002b:00007ffdfaf14e28 EFLAGS: 00000246 ORIG_RAX:<3>[   45.890914] lkdtm: FAIL: survived bad write

 4921 13:53:10.115199   0000000000000001

 4922 13:53:10.122166  # [   45.356081] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f645aae6473

 4923 13:53:10.128587  # [   45.363463] RDX: 000000000000000a RSI: 00007f645a9da000 RDI: 0000000000000001

 4924 13:53:10.135234  # [   45.370845] RBP: 00007f645a9da000 R08: 00007f645a9d9010 R09: 0000000000000000

 4925 13:53:10.141704  # [   45.378227] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4926 13:53:10.151733  # [   45.385609] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4927 13:53:10.191052  # [   45.392997] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4928 13:53:10.194261  # [   45.432922] CR2: 0000000000000000

 4929 13:53:10.197908  # [   45.436588] ---[ end trace e32a66cc720e8162 ]---

 4930 13:53:10.201255  # [   45.463638] RIP: 0010:lkdtm_BUG+0x5/0x10

 4931 13:53:10.220767  # [   45.490024] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 4932 13:53:10.227128  # [   45.531200] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 4933 13:53:10.234134  # [   45.558858] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 4934 13:53:10.240407  # [   45.588436] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 4935 13:53:10.250591  # [   45.617961] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 4936 13:53:10.257420  # [   45.626812] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4937 13:53:10.263620  # [   45.634204] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 4938 13:53:10.270241  # [   45.641595] FS:  00007f645ac0a580(0000) GS:ffff89a1eac00000(0000) knlGS:0000000000000000

 4939 13:53:10.276596  # [   45.649941] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4940 13:53:10.283592  # [   45.655947] CR2: ffffffffffffffd6 CR3: 0000000103f22000 CR4: 00000000001506f0

 4941 13:53:10.286688  # EXEC_NULL: saw 'call trace:': ok

 4942 13:53:10.296679  ok 36 selftests: lkdtm: E<6>[   46.090175] lkdtm: Performing direct entry ACCESS_NULL

 4943 13:53:10.296789  XEC_NULL.sh

 4944 13:53:10.299747  # selftests: lkdtm: ACCESS_USERSPACE.sh

 4945 13:53:10.306487  # [   45.800067] lkdtm: Performing direct entry ACCESS_USERSPACE

 4946 13:53:10.312917  # [   45.808455] lkdtm: attempting bad read at 00007f6ac044c000

 4947 13:53:10.316659  # [   45.836361] lkdtm: FAIL: survived bad read

 4948 13:53:10.323459  # [   45.862938] lkdtm<6>[   46.100427] lkdtm: attempting bad read at 0000000000000000

 4949 13:53:10.326228  : attempting bad write at 00007f6ac044c000

 4950 13:53:10.332706  # [   45.890914] lkdtm: FAIL: survived bad write

 4951 13:53:10.336622  # ACCESS_USERSPACE: missing 'call trace:': [FAIL]

 4952 13:53:10.339800  not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1

 4953 13:53:10.342911  # selftests: lkdtm: ACCESS_NULL.sh

 4954 13:53:10.353034  <1>[   46.128369] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4955 13:53:10.356080  <1>[   46.156248] #PF: supervisor read access in kernel mode

 4956 13:53:10.363066  <1>[   46.161640] #PF: error_code(0x0000) - not-present page

 4957 13:53:10.366294  <6>[   46.167030] PGD 0 P4D 0 

 4958 13:53:10.369416  <4>[   46.169823] Oops: 0000 [#12] SMP NOPTI

 4959 13:53:10.376097  <4>[   46.173830] CPU: 1 PID: 1852 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 4960 13:53:10.382587  <4>[   46.181820] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4961 13:53:10.389563  <4>[   46.187996] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 4962 13:53:10.405783  <4>[   46.192953] Code: e8 d7 fb ff be 00 10 00 00 48 89 ef e8 97 7b 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 f0 32 f8 a6 e8 c2 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 18 33 f8 a6 48 01

 4963 13:53:10.412253  <4>[   46.211949] RSP: 0018:ffffacf9c1f1be58 EFLAGS: 00010246

 4964 13:53:10.419055  <4>[   46.217425] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 4965 13:53:10.425635  <4>[   46.224808] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 4966 13:53:10.435921  <4>[   46.232191] RBP: ffffffffa6f823e1 R08: 0000000000000000 R09: 0000000000000000

 4967 13:53:10.442360  <4>[   46.239572] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4968 13:53:10.449048  <4>[   46.246955] R13: ffffacf9c1f1bf10 R14: ffffacf9c1f1bf10 R15: ffff89a1c574f000

 4969 13:53:10.458969  <4>[   46.254339] FS:  00007f4e97352580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 4970 13:53:10.462233  <4>[   46.262674] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4971 13:53:10.471850  <4>[   46.268669] CR2: 0000000000000000 CR3: 0000000102790000 CR4: 00000000001506e0

 4972 13:53:10.475583  <4>[   46.276051] Call Trace:

 4973 13:53:10.478760  <4>[   46.278762]  ? __die_body.cold+0x1a/0x1f

 4974 13:53:10.482133  <4>[   46.282944]  ? no_context+0x177/0x380

 4975 13:53:10.485229  <4>[   46.286866]  ? exc_page_fault+0x53/0x170

 4976 13:53:10.491731  <4>[   46.291045]  ? asm_exc_page_fault+0x1e/0x30

 4977 13:53:10.495534  <4>[   46.295485]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4978 13:53:10.498583  <4>[   46.299835]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4979 13:53:10.501728  <4>[   46.304184]  direct_entry.cold+0x2c/0x38

 4980 13:53:10.508582  <4>[   46.308362]  full_proxy_write+0x56/0x80

 4981 13:53:10.511607  <4>[   46.312454]  vfs_write+0xea/0x3b0

 4982 13:53:10.514855  <4>[   46.316025]  ksys_write+0x68/0xf0

 4983 13:53:10.518627  <4>[   46.319597]  do_syscall_64+0x33/0x40

 4984 13:53:10.524977  <4>[   46.323428]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4985 13:53:10.528221  <4>[   46.328732] RIP: 0033:0x7f4e9725e473

 4986 13:53:10.547892  <4>[   46.332562] 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

 4987 13:53:10.554602  <4>[   46.351557] RSP: 002b:00007ffdf4acd568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4988 13:53:10.561196  <4>[   46.359373] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f4e9725e473

 4989 13:53:10.567773  <4>[   46.366756] RDX: 000000000000000c RSI: 00007f4e97152000 RDI: 0000000000000001

 4990 13:53:10.578001  <4>[   46.374137] RBP: 00007f4e97152000 R08: 00007f4e97151010 R09: 0000000000000000

 4991 13:53:10.584479  <4>[   46.381519] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4992 13:53:10.591380  <4>[   46.388901] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4993 13:53:10.630894  <4>[   46.396287] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4994 13:53:10.634183  <4>[   46.436205] CR2: 0000000000000000

 4995 13:53:10.640552  <4>[   46.439833] ---[ end trace e32a66cc720e8163 ]---

 4996 13:53:10.644189  <4>[   46.444730] RIP: 0010:lkdtm_BUG+0x5/0x10

 4997 13:53:10.663899  <4>[   46.449022] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 4998 13:53:10.667331  <4>[   46.468070] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 4999 13:53:10.677425  <4>[   46.473645] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 5000 13:53:10.683764  <4>[   46.481071] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 5001 13:53:10.690550  <4>[   46.488541] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 5002 13:53:10.697383  <4>[   46.495979] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5003 13:53:10.707408  <4>[   46.503445] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 5004 13:53:10.713577  <4>[   46.510925] FS:  00007f4e97352580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5005 13:53:10.720153  <4>[   46.519353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5006 13:53:10.726967  <4>[   46.525429] CR2: 0000000000000000 CR3: 0000000102790000 CR4: 00000000001506e0

 5007 13:53:10.730698  # Killed

 5008 13:53:10.805754  # [   46.090175] lkdtm: Performing direct entry ACCESS_NULL

 5009 13:53:10.812686  # [   46.100427] lkdtm: attempting bad read at 0000000000000000

 5010 13:53:10.819192  # [   46.128369] BUG: kernel NULL pointer dereference, address: 0000000000000000

 5011 13:53:10.825789  # [   46.156248] #PF: supervisor read access in kernel mode

 5012 13:53:10.829478  # [   46.161640] #PF: error_code(0x0000) - not-present page

 5013 13:53:10.832213  # [   46.167030] PGD 0 P4D 0 

 5014 13:53:10.835961  # [   46.169823] Oops: 0000 [#12] SMP NOPTI

 5015 13:53:10.845844  # [   46.173830] CPU: 1 PID: 1852 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5016 13:53:10.849142  # [   46.181820] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5017 13:53:10.855422  # [   46.187996] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 5018 13:53:10.875484  # [   46.192953] Code: e8 d7 fb ff be 00 10 00 00 48 89 ef e8 97 7b 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 f0 32 f8 a6 e8 c2 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 18 33 f8 a6 48 01

 5019 13:53:10.878634  # [   46.211949] RSP: 0018:ffffacf9c1f1be58 EFLAGS: 00010246

 5020 13:53:10.885549  # [   46.217425] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 5021 13:53:10.894850  # [   46.224808] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 5022 13:53:10.901889  # [   46.232191] RBP: ffffffffa6f823e1 R08: 0000000000000000 R09: 0000000000000000

 5023 13:53:10.908456  # [   46.239572] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 5024 13:53:10.914719  # [   46.246955] R13: ffffacf9c1f1bf10 R14: ffffacf9c1f1bf10 R15: ffff89a1c574f000

 5025 13:53:10.924841  # [   46.254339] FS:  00007f4e97352580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5026 13:53:10.931694  # [   46.262674] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5027 13:53:10.937822  # [   46.268669] CR2: 0000000000000000 CR3: 0000000102790000 CR4: 00000000001506e0

 5028 13:53:10.944698  # [   46.276051] Ca<6>[   46.731162] lkdtm: Performing direct entry WRITE_RO

 5029 13:53:10.944807  ll Trace:

 5030 13:53:10.948004  # [   46.278762]  ? __die_body.cold+0x1a/0x1f

 5031 13:53:10.951358  # [   46.282944]  ? no_context+0x177/0x380

 5032 13:53:10.957912  # [   46.286866]  ? exc_page_fault+0x53/0x170

 5033 13:53:10.961002  # [   46.291045]  ? asm_exc_page_fault+0x1e/0x30

 5034 13:53:10.964788  # [   46.295485]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5035 13:53:10.970785  # [   46<6>[   46.748850] lkdtm: attempting bad rodata write at ffffffffa6af8530

 5036 13:53:10.977878  .299835]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5037 13:53:10.981138  # [   46.304184]  direct_entry.cold+0x2c/0x38

 5038 13:53:10.984180  # [   46.308362]  full_proxy_write+0x56/0x80

 5039 13:53:10.987565  # [   46.312454]  vfs_write+0xea/0x3b0

 5040 13:53:10.991079  # [   46.316025]  ksys_write+0x68/0xf0

 5041 13:53:10.994315  # [   46.319597]  do_syscall_64+0x33/0x40

 5042 13:53:11.000568  <1>[   46.777505] BUG: unable to handle page fault for address: ffffffffa6af8530

 5043 13:53:11.000690  

 5044 13:53:11.007229  # [   46.323428]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5045 13:53:11.010842  # [   46.328732] RIP: 0033:0x7f4e9725e473

 5046 13:53:11.030195  # [   46.332562] 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<1>[   46.806765] #PF: supervisor write access in kernel mode

 5047 13:53:11.033392  > <3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5048 13:53:11.043580  # [   46.351557] RSP: 002b:00007ffdf4acd568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5049 13:53:11.050383  # [   46.359373] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f4e9725e473

 5050 13:53:11.056904  # [   46.366756] 1>[   46.834425] #PF: error_code(0x0003) - permissions violation

 5051 13:53:11.063535  RDX: 000000000000000c RSI: 00007f4e97152000 RDI: 0000000000000001

 5052 13:53:11.070351  # [   46.374137] RBP: 00007f4e97152000 R08: 00007f4e97151010 R09: 0000000000000000

 5053 13:53:11.076936  # [   46.381519] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5054 13:53:11.086750  # [   46.388901] R13:<6>[   46.862436] PGD c5629067 P4D c5629067 PUD c562a063 PMD 80000000c4e001e1 

 5055 13:53:11.093036   0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5056 13:53:11.112809  # [   46.396287] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmallo<4>[   46.891573] Oops: 0003 [#13] SMP NOPTI

 5057 13:53:11.142506  c videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine re<4>[   46.917765] CPU: 1 PID: 1888 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5058 13:53:11.149372  <4>[   46.947936] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5059 13:53:11.149458  gmap_i2c

 5060 13:53:11.152445  # [   46.436205] CR2: 0000000000000000

 5061 13:53:11.159207  # [   46.439833] ---[ end trace e32a66cc720e8163 ]---

 5062 13:53:11.162343  # [   46.444730] RIP: 0010:lkdtm_BUG+0x5/0x10

 5063 13:53:11.176180  # [   46.449022] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 <4>[   46.954114] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 5064 13:53:11.185893  00 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 a0 64 0b 03

 5065 13:53:11.192554  # [   46.468070] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 5066 13:53:11.215719  # [   46.473645] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 00000000000000<4>[   46.980988] Code: 00 48 c7 c7 d0 31 f8 a6 48 c7 c6 30 85 af a6 e8 6c da fb ff 48 8b 05 f1 9e a9 00 ba 34 12 cd ab 48 c7 c7 00 32 f8 a6 48 31 d0 <48> 89 05 db 9e a9 00 e9 4a da fb ff 0f 1f 44 00 00 48 8b 05 ea bc

 5067 13:53:11.218798  00

 5068 13:53:11.225439  # [   46.481071] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 5069 13:53:11.232204  # [   46.488541] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 5070 13:53:11.238812  # [   46.495979] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5071 13:53:11.245296  <4>[   47.022168] RSP: 0018:ffffacf9c1fa3e60 EFLAGS: 00010202

 5072 13:53:11.252167  # [   46.503445] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 5073 13:53:11.262068  # [   46.510925] FS:  00007f4e97352580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5074 13:53:11.265387  # [   46.519353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5075 13:53:11.275225  # [   46.<4>[   47.049833] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 5076 13:53:11.281837  52<5429] CR2: 0000000000000000 CR3: 0000000102790000 CR4: 00000000001506e0

 5077 13:53:11.284933  # ACCESS_NULL: saw 'call trace:': ok

 5078 13:53:11.288527  ok 38 selftests: lkdtm: ACCESS_NULL.sh

 5079 13:53:11.291511  # selftests: lkdtm: WRITE_RO.sh

 5080 13:53:11.298742  4>[   47.079403] RDX: 00000000abcd1234 RSI: ffff89a1ead1bf50 RDI: ffffffffa6f83200

 5081 13:53:11.305131  <4>[   47.102908] RBP: ffffffffa6f823ed R08: 0000000000000000 R09: 0000000000000000

 5082 13:53:11.311533  <4>[   47.110293] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 5083 13:53:11.321462  <4>[   47.117676] R13: ffffacf9c1fa3f10 R14: ffffacf9c1fa3f10 R15: ffff89a1c3af6000

 5084 13:53:11.327667  <4>[   47.125062] FS:  00007fb7b38f6580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5085 13:53:11.334815  <4>[   47.133400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5086 13:53:11.341130  <4>[   47.139399] CR2: ffffffffa6af8530 CR3: 000000010522e000 CR4: 00000000001506e0

 5087 13:53:11.344594  <4>[   47.146781] Call Trace:

 5088 13:53:11.347685  <4>[   47.149494]  ? __die_body.cold+0x1a/0x1f

 5089 13:53:11.351073  <4>[   47.153677]  ? no_context+0x177/0x380

 5090 13:53:11.357715  <4>[   47.157601]  ? exc_page_fault+0xd7/0x170

 5091 13:53:11.360891  <4>[   47.161779]  ? asm_exc_page_fault+0x1e/0x30

 5092 13:53:11.364073  <4>[   47.166223]  ? lkdtm_WRITE_RO+0x2e/0x3a

 5093 13:53:11.370858  <4>[   47.170308]  direct_entry.cold+0x2c/0x38

 5094 13:53:11.374009  <4>[   47.174489]  full_proxy_write+0x56/0x80

 5095 13:53:11.377887  <4>[   47.178601]  vfs_write+0xea/0x3b0

 5096 13:53:11.381160  <4>[   47.182172]  ksys_write+0x68/0xf0

 5097 13:53:11.384283  <4>[   47.185744]  do_syscall_64+0x33/0x40

 5098 13:53:11.390637  <4>[   47.189574]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5099 13:53:11.394272  <4>[   47.194883] RIP: 0033:0x7fb7b37ce473

 5100 13:53:11.413755  <4>[   47.198715] 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 13:53:11.420661  <4>[   47.217712] RSP: 002b:00007fff8d540b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5102 13:53:11.427231  <4>[   47.225529] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fb7b37ce473

 5103 13:53:11.433646  <4>[   47.232916] RDX: 0000000000000009 RSI: 00007fb7b36c2000 RDI: 0000000000000001

 5104 13:53:11.443678  <4>[   47.240298] RBP: 00007fb7b36c2000 R08: 00007fb7b36c1010 R09: 0000000000000000

 5105 13:53:11.450677  <4>[   47.247682] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5106 13:53:11.457063  <4>[   47.255065] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5107 13:53:11.496550  <4>[   47.262454] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5108 13:53:11.500039  <4>[   47.302379] CR2: ffffffffa6af8530

 5109 13:53:11.506290  <4>[   47.305950] ---[ end trace e32a66cc720e8164 ]---

 5110 13:53:11.509801  <4>[   47.310825] RIP: 0010:lkdtm_BUG+0x5/0x10

 5111 13:53:11.530072  <4>[   47.315001] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 5112 13:53:11.533305  <4>[   47.334000] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 5113 13:53:11.542911  <4>[   47.339478] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 5114 13:53:11.549867  <4>[   47.346861] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 5115 13:53:11.555961  <4>[   47.354248] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 5116 13:53:11.562784  <4>[   47.361632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5117 13:53:11.572921  <4>[   47.369015] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 5118 13:53:11.579536  <4>[   47.376402] FS:  00007fb7b38f6580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5119 13:53:11.585893  <4>[   47.384739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5120 13:53:11.592416  <4>[   47.390738] CR2: ffffffffa6af8530 CR3: 000000010522e000 CR4: 00000000001506e0

 5121 13:53:11.602583  <3>[   47.398124] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5122 13:53:11.609172  <3>[   47.407240] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1888, name: cat

 5123 13:53:11.615402  <4>[   47.415059] INFO: lockdep is turned off.

 5124 13:53:11.618791  <4>[   47.419234] irq event stamp: 0

 5125 13:53:11.625659  <4>[   47.422547] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5126 13:53:11.632095  <4>[   47.429068] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5127 13:53:11.642302  <4>[   47.437494] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5128 13:53:11.649052  <4>[   47.445919] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5129 13:53:11.655227  <4>[   47.452440] CPU: 1 PID: 1888 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5130 13:53:11.662198  <4>[   47.460429] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5131 13:53:11.665349  <4>[   47.466599] Call Trace:

 5132 13:53:11.668383  <4>[   47.469307]  dump_stack+0x77/0x9b

 5133 13:53:11.671601  <4>[   47.472881]  ___might_sleep.cold+0xa6/0xb6

 5134 13:53:11.675246  <4>[   47.477236]  exit_signals+0x1c/0x300

 5135 13:53:11.678507  <4>[   47.481085]  do_exit+0xc2/0xab0

 5136 13:53:11.682147  <4>[   47.484485]  ? ksys_write+0x68/0xf0

 5137 13:53:11.688361  <4>[   47.488247]  make_task_dead+0x2f/0x30

 5138 13:53:11.692097  <4>[   47.492164]  rewind_stack_and_make_dead+0x17/0x20

 5139 13:53:11.695034  <4>[   47.497122] RIP: 0033:0x7fb7b37ce473

 5140 13:53:11.715095  <4>[   47.500969] 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

 5141 13:53:11.721687  <4>[   47.519966] RSP: 002b:00007fff8d540b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5142 13:53:11.731593  <4>[   47.527787] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fb7b37ce473

 5143 13:53:11.738292  <4>[   47.535189] RDX: 0000000000000009 RSI: 00007fb7b36c2000 RDI: 0000000000000001

 5144 13:53:11.744880  <4>[   47.542574] RBP: 00007fb7b36c2000 R08: 00007fb7b36c1010 R09: 0000000000000000

 5145 13:53:11.751550  <4>[   47.549959] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5146 13:53:11.761154  <4>[   47.557345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5147 13:53:11.911568  <6>[   47.711406] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 5148 13:53:11.914776  # Killed

 5149 13:53:11.918240  # [   46.731162] lkdtm: Performing direct entry WRITE_RO

 5150 13:53:11.924651  # [   46.748850] lkdtm: attempting bad rodata write at ffffffffa6af8530

 5151 13:53:11.931460  # [   46.777505] BUG: unable to handle page fault for address: ffffffffa6af8530

 5152 13:53:11.941298  # [   46.806765] #PF: supervisor w<6>[   47.717533] lkdtm: attempting bad ro_after_init write at ffffffffa700a350

 5153 13:53:11.944709  rite access in kernel mode

 5154 13:53:11.951167  # [   46.834425] #PF: error_code(0x0003) - permissions violation

 5155 13:53:11.958169  # [   46.862436] PGD c5629067 P4D c5629067 PUD c562a063 PMD 80000000c4e001e1 

 5156 13:53:11.961308  # [   46.891573] Oops: 0003 [#13] SMP NOPTI

 5157 13:53:11.970797  # [   46.917765] CPU: 1 PID: 1888 Comm<1>[   47.746786] BUG: unable to handle page fault for address: ffffffffa700a350

 5158 13:53:11.974658  : cat Tainted: G      D W         5.10.201-cip41 #1

 5159 13:53:11.980773  # [   46.947936] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5160 13:53:11.987712  # [   46.954114] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 5161 13:53:11.997679  # [   46.980988] Code: 00 48 c7 c7 d0 31 f8 a6 48 c7 c6 30 85 af a6 e8 6c da fb <1>[   47.776056] #PF: supervisor write access in kernel mode

 5162 13:53:12.004428  <1>[   47.803714] #PF: error_code(0x0003) - permissions violation

 5163 13:53:12.017184  ff 48 8b 05 f1 9e a9 00 ba 34 12 cd ab 48 c7 c7 00 32 f8 a6 48 31 d0 <48> 89 05 db 9e a9 00 e9 4a da fb ff 0f 1f 44 00 00 48 8b 05 ea bc

 5164 13:53:12.020452  # [   47.022168] RSP: 0018:ffffacf9c1fa3e60 EFLAGS: 00010202

 5165 13:53:12.033405  # [   47.049833] RAX: 000000000198b861 RBX: 000000000000<6>[   47.809538] PGD c5629067 P4D c5629067 PUD c562a063 PMD 1055d0063 PTE 80000000c540a161

 5166 13:53:12.036885  0028 RCX: 0000000000000000

 5167 13:53:12.043755  # [   47.079403] RDX: 00000000abcd1234 RSI: ffff89a1ead1bf50 RDI: ffffffffa6f83200

 5168 13:53:12.050531  # [   47.102908] RBP: ffffffffa6f823ed R08: 0000000000000000 R09: 0000000000000000

 5169 13:53:12.059965  # [   47.110293] R10: 00000000ffffe000 R11: 3fffffffffffffff<4>[   47.839797] Oops: 0003 [#14] SMP NOPTI

 5170 13:53:12.063316   R12: 0000000000000009

 5171 13:53:12.070226  # [   47.117676] R13: ffffacf9c1fa3f10 R14: ffffacf9c1fa3f10 R15: ffff89a1c3af6000

 5172 13:53:12.079830  # [   47.125062] FS:  00007fb7b38f6580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5173 13:53:12.089815  # [   47.133400] CS:  0010 DS: 0000 ES: 0000 CR0: 000<4>[   47.865988] CPU: 1 PID: 1924 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5174 13:53:12.096537  <4>[   47.896160] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5175 13:53:12.099581  0000080050033

 5176 13:53:12.106589  # [   47.139399] CR2: ffffffffa6af8530 CR3: 000000010522e000 CR4: 00000000001506e0

 5177 13:53:12.109517  # [   47.146781] Call Trace:

 5178 13:53:12.113234  # [   47.149494]  ? __die_body.cold+0x1a/0x1f

 5179 13:53:12.116390  # [   47.153677]  ? no_context+0x177/0x380

 5180 13:53:12.126144  # [   47.157601]  ? exc_page_fault+0<4>[   47.902337] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5181 13:53:12.126240  xd7/0x170

 5182 13:53:12.129481  # [   47.161779]  ? asm_exc_page_fault+0x1e/0x30

 5183 13:53:12.136153  # [   47.166223]  ? lkdtm_WRITE_RO+0x2e/0x3a

 5184 13:53:12.139149  # [   47.170308]  direct_entry.cold+0x2c/0x38

 5185 13:53:12.142712  # [   47.174489]  full_proxy_write+0x56/0x80

 5186 13:53:12.145808  # [   47.178601]  vfs_write+0xea/0x3b0

 5187 13:53:12.165687  # [   47.182172]<4>[   47.930164] Code: 32 f8 a6 e9 1e da fb ff 48 c7 c7 58 32 f8 a6 e8 12 da fb ff 48 8b 05 b7 bc fa 00 ba 34 12 cd ab 48 c7 c7 00 32 f8 a6 48 31 d0 <48> 89 05 a1 bc fa 00 e9 f0 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 5188 13:53:12.168887    ksys_write+0x68/0xf0

 5189 13:53:12.172648  # [   47.185744]  do_syscall_64+0x33/0x40

 5190 13:53:12.178910  # [   47.189574]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5191 13:53:12.182037  # [   47.194883] RIP: 0033:0x7fb7b37ce473

 5192 13:53:12.195171  # [   47.198715] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f <4>[   47.971346] RSP: 0018:ffffacf9c4037e60 EFLAGS: 00010202

 5193 13:53:12.201885  <4>[   47.999008] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 5194 13:53:12.211970  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

 5195 13:53:12.221851  # [   47.217712] RSP: 002b:00007fff8d540b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5196 13:53:12.231635  # [   47.225529] RAX: fffffffffffff<4>[   48.006391] RDX: 00000000abcd1234 RSI: ffff89a1ead1bf50 RDI: ffffffffa6f83200

 5197 13:53:12.238512  <4>[   48.035957] RBP: ffffffffa6f823f6 R08: 0000000000000000 R09: 0000000000000000

 5198 13:53:12.241666  fda RBX: 0000000000000009 RCX: 00007fb7b37ce473

 5199 13:53:12.251446  # [   47.232916] RDX: 0000000000000009 RSI: 00007fb7b36c2000 RDI: 0000000000000001

 5200 13:53:12.258335  # [   47.240298] RBP: 00007fb7b36c2000 R08: 00007fb7b36c1010 R09: 0000000000000000

 5201 13:53:12.268173  # [   47.247682] R10: fffffffffffffbc5 <4>[   48.043341] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 5202 13:53:12.274749  <4>[   48.072907] R13: ffffacf9c4037f10 R14: ffffacf9c4037f10 R15: ffff89a1c345e000

 5203 13:53:12.277758  R11: 0000000000000246 R12: 0000000000000001

 5204 13:53:12.287730  # [   47.255065] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5205 13:53:12.304096  # [   47.262454] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd<4>[   48.080290] FS:  00007fd1941993c0(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5206 13:53:12.310832  <4>[   48.110808] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5207 13:53:12.340811  _logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_ps<4>[   48.116803] CR2: ffffffffa700a350 CR3: 00000001027b6000 CR4: 00000000001506e0

 5208 13:53:12.343909  <4>[   48.146368] Call Trace:

 5209 13:53:12.350615  tore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5210 13:53:12.353773  # [   47.302379] CR2: ffffffffa6af8530

 5211 13:53:12.360537  # [   47.305950] ---[ end trace e32a66cc720e8164 ]---

 5212 13:53:12.363624  # [   47.310825] RIP: 0010:lkdtm_BUG+0x5/0x10

 5213 13:53:12.370047  # [   47.315001] Code: 89 ff e8 6e d9 <4>[   48.149079]  ? __die_body.cold+0x1a/0x1f

 5214 13:53:12.386585  79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 5215 13:53:12.390310  # [   47.334000] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 5216 13:53:12.396700  # [   47.33947<4>[   48.175437]  ? no_context+0x177/0x380

 5217 13:53:12.403076  8] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 5218 13:53:12.409824  # [   47.346861] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 5219 13:53:12.416760  # [   47.354248] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 5220 13:53:12.423237  # [   47.361632] R<4>[   48.201542]  ? exc_page_fault+0xd7/0x170

 5221 13:53:12.429858  10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5222 13:53:12.436107  # [   47.369015] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 5223 13:53:12.442709  # [   47.376402] FS:  00007fb7b38f6580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5224 13:53:12.449630  # [   47.38<4>[   48.227900]  ? asm_exc_page_fault+0x1e/0x30

 5225 13:53:12.456251  4739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5226 13:53:12.462760  # [   47.390738] CR2: ffffffffa6af8530 CR3: 000000010522e000 CR4: 00000000001506e0

 5227 13:53:12.469427  # [   47.398124] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5228 13:53:12.476060  # [   47.40<4>[   48.254529]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5229 13:53:12.482490  7240] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1888, name: cat

 5230 13:53:12.488907  # [   47.415059] INFO: lockdep is turned off.

 5231 13:53:12.492429  # [   47.419234] irq event stamp: 0

 5232 13:53:12.495631  # [   47.422547] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5233 13:53:12.502544  # [   47.429068] har<4>[   48.281754]  direct_entry.cold+0x2c/0x38

 5234 13:53:12.509440  dirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5235 13:53:12.518771  # [   47.437494] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5236 13:53:12.525576  # [   47.445919] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5237 13:53:12.528993  # [   47.4<4>[   48.308122]  full_proxy_write+0x56/0x80

 5238 13:53:12.535632  52440] CPU: 1 PID: 1888 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5239 13:53:12.541774  # [   47.460429] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5240 13:53:12.545232  # [   47.466599] Call Trace:

 5241 13:53:12.548314  # [   47.469307]  dump_stack+0x77/0x9b

 5242 13:53:12.555019  # [   47.472881]  ___might_sleep.co<4>[   48.334396]  vfs_write+0xea/0x3b0

 5243 13:53:12.555105  ld+0xa6/0xb6

 5244 13:53:12.562202  # [   47.477236]  exit_signals+0x1c/0x300

 5245 13:53:12.564903  # [   47.481085]  do_exit+0xc2/0xab0

 5246 13:53:12.568506  # [   47.484485]  ? ksys_write+0x68/0xf0

 5247 13:53:12.571528  # [   47.488247]  make_task_dead+0x2f/0x30

 5248 13:53:12.575264  # [   47.492164]  rewind_stack_and_make_dead+0x17/0x20

 5249 13:53:12.581391  # [   47.497122] RI<4>[   48.360150]  ksys_write+0x68/0xf0

 5250 13:53:12.581474  P: 0033:0x7fb7b37ce473

 5251 13:53:12.601772  # [   47.500969] 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

 5252 13:53:12.607969  # [   47.51996<4>[   48.385906]  do_syscall_64+0x33/0x40

 5253 13:53:12.614903  6] RSP: 002b:00007fff8d540b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5254 13:53:12.621030  # [   47.527787] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fb7b37ce473

 5255 13:53:12.627831  # [   47.535189] RDX: 0000000000000009 RSI: 00007fb7b36c2000 RDI: 0000000000000001

 5256 13:53:12.634425  # [   47.5425<4>[   48.411920]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5257 13:53:12.641001  74] RBP: 00007fb7b36c2000 R08: 00007fb7b36c1010 R09: 0000000000000000

 5258 13:53:12.647886  # [   47.549959] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5259 13:53:12.654342  # [   47.557345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5260 13:53:12.661217  # WRITE_RO: saw '<4>[   48.439413] RIP: 0033:0x7fd194076473

 5261 13:53:12.661300  call trace:': ok

 5262 13:53:12.664351  ok 39 selftests: lkdtm: WRITE_RO.sh

 5263 13:53:12.667739  # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 5264 13:53:12.687514  <4>[   48.465428] 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

 5265 13:53:12.697150  <4>[   48.493004] RSP: 002b:00007ffd438e4138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5266 13:53:12.704093  <4>[   48.500823] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fd194076473

 5267 13:53:12.710810  <4>[   48.508208] RDX: 0000000000000014 RSI: 00007fd193f6a000 RDI: 0000000000000001

 5268 13:53:12.717029  <4>[   48.515590] RBP: 00007fd193f6a000 R08: 00007fd193f69010 R09: 0000000000000000

 5269 13:53:12.727055  <4>[   48.522976] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5270 13:53:12.733611  <4>[   48.530359] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5271 13:53:12.773419  <4>[   48.537748] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5272 13:53:12.776570  <4>[   48.577675] CR2: ffffffffa700a350

 5273 13:53:12.780122  <4>[   48.581248] ---[ end trace e32a66cc720e8165 ]---

 5274 13:53:12.786467  <4>[   48.586122] RIP: 0010:lkdtm_BUG+0x5/0x10

 5275 13:53:12.802828  <4>[   48.590300] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 5276 13:53:12.809649  <4>[   48.609298] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 5277 13:53:12.816042  <4>[   48.614778] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 5278 13:53:12.822862  <4>[   48.622161] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 5279 13:53:12.832891  <4>[   48.629546] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 5280 13:53:12.839476  <4>[   48.636929] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5281 13:53:12.846282  <4>[   48.644314] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 5282 13:53:12.856187  <4>[   48.651698] FS:  00007fd1941993c0(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5283 13:53:12.859290  <4>[   48.660036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5284 13:53:12.869574  <4>[   48.666031] CR2: ffffffffa700a350 CR3: 00000001027b6000 CR4: 00000000001506e0

 5285 13:53:12.876276  <3>[   48.673419] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5286 13:53:12.886114  <3>[   48.682538] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1924, name: cat

 5287 13:53:12.889173  <4>[   48.690356] INFO: lockdep is turned off.

 5288 13:53:12.892619  <4>[   48.694533] irq event stamp: 0

 5289 13:53:12.899138  <4>[   48.697847] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5290 13:53:12.908930  <4>[   48.704368] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5291 13:53:12.915355  <4>[   48.712793] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5292 13:53:12.922295  <4>[   48.721219] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5293 13:53:12.932124  <4>[   48.727739] CPU: 1 PID: 1924 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5294 13:53:12.935566  <4>[   48.735729] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5295 13:53:12.938665  <4>[   48.741899] Call Trace:

 5296 13:53:12.942045  <4>[   48.744608]  dump_stack+0x77/0x9b

 5297 13:53:12.948770  <4>[   48.748183]  ___might_sleep.cold+0xa6/0xb6

 5298 13:53:12.952003  <4>[   48.752539]  exit_signals+0x1c/0x300

 5299 13:53:12.955423  <4>[   48.756373]  do_exit+0xc2/0xab0

 5300 13:53:12.959167  <4>[   48.759772]  ? ksys_write+0x68/0xf0

 5301 13:53:12.962134  <4>[   48.763518]  make_task_dead+0x2f/0x30

 5302 13:53:12.968760  <4>[   48.767438]  rewind_stack_and_make_dead+0x17/0x20

 5303 13:53:12.971769  <4>[   48.772396] RIP: 0033:0x7fd194076473

 5304 13:53:12.992027  <4>[   48.776228] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5305 13:53:12.998238  <4>[   48.795228] RSP: 002b:00007ffd438e4138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5306 13:53:13.004996  <4>[   48.803047] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fd194076473

 5307 13:53:13.011690  <4>[   48.810433] RDX: 0000000000000014 RSI: 00007fd193f6a000 RDI: 0000000000000001

 5308 13:53:13.021657  <4>[   48.817815] RBP: 00007fd193f6a000 R08: 00007fd193f69010 R09: 0000000000000000

 5309 13:53:13.028130  <4>[   48.825200] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5310 13:53:13.034841  <4>[   48.832582] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5311 13:53:13.250557  <6>[   49.050547] lkdtm: Performing direct entry WRITE_KERN

 5312 13:53:13.250708  # Killed

 5313 13:53:13.257438  # [   47.711406] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 5314 13:53:13.264017  # [   47.717533] lkdtm: attempting bad ro_after_init write at ffffffffa700a350

 5315 13:53:13.270271  # [   47.746786] BUG: unable to handle page fault for address: ffffffffa700a350

 5316 13:53:13.280446  # [   47.776056]<6>[   49.055873] lkdtm: attempting bad 7219673 byte write at ffffffffa605e5b9

 5317 13:53:13.283433   #PF: supervisor write access in kernel mode

 5318 13:53:13.290058  # [   47.803714] #PF: error_code(0x0003) - permissions violation

 5319 13:53:13.297303  # [   47.809538] PGD c5629067 P4D c5629067 PUD c562a063 PMD 1055d0063 PTE 80000000c540a161

 5320 13:53:13.300463  # [   47.839797] Oops: 0003 [#14] SMP NOPTI

 5321 13:53:13.310203  # [   4<1>[   49.085025] BUG: unable to handle page fault for address: ffffffffa605e5b9

 5322 13:53:13.316654  7.865988] CPU: 1 PID: 1924 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5323 13:53:13.323529  # [   47.896160] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5324 13:53:13.330376  # [   47.902337] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5325 13:53:13.336615  # [   47.930164] Code: 32 f8 a6 e9 1e <1>[   49.114310] #PF: supervisor write access in kernel mode

 5326 13:53:13.343357  <1>[   49.141969] #PF: error_code(0x0003) - permissions violation

 5327 13:53:13.359697  da fb ff 48 c7 c7 58 32 f8 a6 e8 12 da fb ff 48 8b 05 b7 bc fa 00 ba 34 12 cd ab 48 c7 c7 00 32 f8 a6 48 31 d0 <48> 89 05 a1 bc fa 00 e9 f0 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 5328 13:53:13.363213  # [   47.971346] RSP: 0018:ffffacf9c4037e60 EFLAGS: 00010202

 5329 13:53:13.373299  # [   47.99900<6>[   49.147791] PGD c5629067 P4D c5629067 PUD c562a063 PMD c44001e1 

 5330 13:53:13.376249  8] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 5331 13:53:13.386036  # [   48.006391] RDX: 00000000abcd1234 RSI: ffff89a1ead1bf50 RDI: ffffffffa6f83200

 5332 13:53:13.393017  # [   48.035957] RBP: ffffffffa6f823f6 R08: 0000000000000000 R09: 0000000000000000

 5333 13:53:13.395910  # [   48.043341] R<4>[   49.176231] Oops: 0003 [#15] SMP NOPTI

 5334 13:53:13.403216  10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 5335 13:53:13.409550  # [   48.072907] R13: ffffacf9c4037f10 R14: ffffacf9c4037f10 R15: ffff89a1c345e000

 5336 13:53:13.419001  # [   48.080290] FS:  00007fd1941993c0(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5337 13:53:13.429050  # [   48.11<4>[   49.202423] CPU: 1 PID: 1960 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5338 13:53:13.432623  <4>[   49.232595] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5339 13:53:13.439152  0808] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5340 13:53:13.445359  # [   48.116803] CR2: ffffffffa700a350 CR3: 00000001027b6000 CR4: 00000000001506e0

 5341 13:53:13.448967  # [   48.146368] Call Trace:

 5342 13:53:13.452185  # [   48.149079]  ? __die_body.cold+0x1a/0x1f

 5343 13:53:13.462161  # [   48.175437]  ? no_context+0x177/0<4>[   49.238771] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 5344 13:53:13.462245  x380

 5345 13:53:13.465422  # [   48.201542]  ? exc_page_fault+0xd7/0x170

 5346 13:53:13.468764  # [   48.227900]  ? asm_exc_page_fault+0x1e/0x30

 5347 13:53:13.475478  # [   48.254529]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5348 13:53:13.478555  # [   48.281754]  direct_entry.cold+0x2c/0x38

 5349 13:53:13.481789  # [   48.308122]  full_proxy_write+0x56/0x80

 5350 13:53:13.501802  # [<4>[   49.265818] Code: 53 48 c7 c3 b9 e5 05 a6 49 89 dc 48 89 da 49 81 ec e0 bb 97 a5 4c 89 e6 e8 c5 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 e0 bb 97 a5 <f3> a4 48 c7 c7 00 32 f8 a6 e8 aa d9 fb ff 5b 41 5c e9 b7 fe ff ff

 5351 13:53:13.505145     48.334396]  vfs_write+0xea/0x3b0

 5352 13:53:13.508432  # [   48.360150]  ksys_write+0x68/0xf0

 5353 13:53:13.511396  # [   48.385906]  do_syscall_64+0x33/0x40

 5354 13:53:13.518437  # [   48.411920]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5355 13:53:13.521414  # [   48.439413] RIP: 0033:0x7fd194076473

 5356 13:53:13.528111  # [   48.465428] Code: 8b 15 21 2<4>[   49.306998] RSP: 0018:ffffacf9c40cfe50 EFLAGS: 00010246

 5357 13:53:13.544859  a <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

 5358 13:53:13.557874  # [   48.493004] RSP: 002b:00007ffd438e4138 EFLAGS: 00000246 ORIG_RAX: 4>[   49.334661] RAX: 000000000000003c RBX: ffffffffa605e5b9 RCX: 00000000006e29d9

 5359 13:53:13.567543  <4>[   49.364232] RDX: 0000000000000000 RSI: ffffffffa597bbe0 RDI: ffffffffa605e5b9

 5360 13:53:13.567625  0000000000000001

 5361 13:53:13.574500  # [   48.500823] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fd194076473

 5362 13:53:13.584571  # [   48.508208] RDX: 0000000000000014 RSI: 00007fd193f6a000 RDI: 0000000000000001

 5363 13:53:13.597576  # [   48.515590] RBP: 00007fd193f6a000 R08: 00007fd193f69010 R09: 0000<4>[   49.371615] RBP: ffffffffa6f8240a R08: 0000000000000000 R09: 0000000000000000

 5364 13:53:13.604129  <4>[   49.401182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e29d9

 5365 13:53:13.604256  000000000000

 5366 13:53:13.610995  # [   48.522976] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5367 13:53:13.620267  # [   48.530359] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5368 13:53:13.633703  # [   48.537748] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_l<4>[   49.408565] R13: ffffacf9c40cff10 R14: ffffacf9c40cff10 R15: ffff89a1c3d97000

 5369 13:53:13.663398  ightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc<4>[   49.438132] FS:  00007f44494ae580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5370 13:53:13.670350  <4>[   49.468654] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5371 13:53:13.680036  _adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5372 13:53:13.683185  # [   48.577675] CR2: ffffffffa700a350

 5373 13:53:13.689890  # [   48.581248] ---[ end trace e32a66cc720e8165 ]---

 5374 13:53:13.699783  # [   48.586122] RIP: 0010:lkdtm<4>[   49.474649] CR2: ffffffffa605e5b9 CR3: 0000000103f74000 CR4: 00000000001506e0

 5375 13:53:13.703312  <4>[   49.504215] Call Trace:

 5376 13:53:13.703403  _BUG+0x5/0x10

 5377 13:53:13.723144  # [   48.590300] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 5378 13:53:13.729560  # [   48.609298] RSP: 0<4>[   49.506929]  ? __die_body.cold+0x1a/0x1f

 5379 13:53:13.732989  018:ffffacf9c0c93e60 EFLAGS: 00010282

 5380 13:53:13.739556  # [   48.614778] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 5381 13:53:13.746305  # [   48.622161] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 5382 13:53:13.755851  # [   48.629546] RBP: ffffffffa6fe8528 R08: 00000<4>[   49.533285]  ? no_context+0x177/0x380

 5383 13:53:13.755938  00000000001 R09: 0000000000000001

 5384 13:53:13.765844  # [   48.636929] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5385 13:53:13.772274  # [   48.644314] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 5386 13:53:13.782399  # [   48.651698] FS:  00007fd1941993c0(0000) GS:ffff8<4>[   49.559385]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5387 13:53:13.785706  9a1ead00000(0000) knlGS:0000000000000000

 5388 13:53:13.792071  # [   48.660036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5389 13:53:13.798722  # [   48.666031] CR2: ffffffffa700a350 CR3: 00000001027b6000 CR4: 00000000001506e0

 5390 13:53:13.808437  # [   48.673419] BUG: sleeping function called from invalid co<4>[   49.586704]  ? exc_page_fault+0xd7/0x170

 5391 13:53:13.811834  ntext at include/linux/percpu-rwsem.h:49

 5392 13:53:13.818783  # [   48.682538] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1924, name: cat

 5393 13:53:13.824986  # [   48.690356] INFO: lockdep is turned off.

 5394 13:53:13.825070  # [   48.694533] irq event stamp: 0

 5395 13:53:13.835038  # [   48.697847] hardirqs last  enabled a<4>[   49.613063]  ? asm_exc_page_fault+0x1e/0x30

 5396 13:53:13.838549  t (0): [<0000000000000000>] 0x0

 5397 13:53:13.844702  # [   48.704368] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5398 13:53:13.854789  # [   48.712793] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5399 13:53:13.861455  # [   48.721219] softirqs last <4>[   49.639687]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5400 13:53:13.864527  disabled at (0): [<0000000000000000>] 0x0

 5401 13:53:13.874884  # [   48.727739] CPU: 1 PID: 1924 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5402 13:53:13.881628  # [   48.735729] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5403 13:53:13.881761  # [   48.741899] Call Trace:

 5404 13:53:13.888081  # [   48.744608]  dump<4>[   49.667006]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 5405 13:53:13.891462  _s<tack+0x77/0x9b

 5406 13:53:13.894497  # [   48.748183]  ___might_sleep.cold+0xa6/0xb6

 5407 13:53:13.897786  # [   48.752539]  exit_signals+0x1c/0x300

 5408 13:53:13.901517  # [   48.756373]  do_exit+0xc2/0xab0

 5409 13:53:13.904424  # [   48.759772]  ? ksys_write+0x68/0xf0

 5410 13:53:13.908048  # [   48.763518]  make_task_dead+0x2f/0x30

 5411 13:53:13.917416  # [   48.767438]  rewi4>[   49.693798]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5412 13:53:13.917503  nd_stack_and_make_dead+0x17/0x20

 5413 13:53:13.924113  # [   48.772396] RIP: 0033:0x7fd194076473

 5414 13:53:13.944123  # [   48.776228] 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 0<4>[   49.721117]  ? lkdtm_WRITE_KERN+0x38/0x4e

 5415 13:53:13.947525  f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5416 13:53:13.953973  # [   48.795228] RSP: 002b:00007ffd438e4138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5417 13:53:13.960455  # [   48.803047] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fd194076473

 5418 13:53:13.970406  # [   48.810433] RDX: 0000000000000014 RSI: <4>[   49.747565]  direct_entry.cold+0x2c/0x38

 5419 13:53:13.974039  00007fd193f6a000 RDI: 0000000000000001

 5420 13:53:13.980547  # [   48.817815] RBP: 00007fd193f6a000 R08: 00007fd193f69010 R09: 0000000000000000

 5421 13:53:13.986933  # [   48.825200] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5422 13:53:13.993478  # [   48.832582] R13: 0000000000000001 R14: 0000<4>[   49.773932]  full_proxy_write+0x56/0x80

 5423 13:53:13.996625  000000020000 R15: 0000000000020000

 5424 13:53:14.003269  # WRITE_RO_AFTER_INIT: saw 'call trace:': ok

 5425 13:53:14.006972  ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 5426 13:53:14.010078  # selftests: lkdtm: WRITE_KERN.sh

 5427 13:53:14.013190  <4>[   49.800208]  vfs_write+0xea/0x3b0

 5428 13:53:14.016985  <4>[   49.818076]  ksys_write+0x68/0xf0

 5429 13:53:14.019875  <4>[   49.821648]  do_syscall_64+0x33/0x40

 5430 13:53:14.026814  <4>[   49.825481]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5431 13:53:14.030253  <4>[   49.830788] RIP: 0033:0x7f4449386473

 5432 13:53:14.049636  <4>[   49.834621] 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

 5433 13:53:14.056551  <4>[   49.853618] RSP: 002b:00007ffe61687068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5434 13:53:14.063270  <4>[   49.861437] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f4449386473

 5435 13:53:14.070085  <4>[   49.868823] RDX: 000000000000000b RSI: 00007f444927a000 RDI: 0000000000000001

 5436 13:53:14.079665  <4>[   49.876210] RBP: 00007f444927a000 R08: 00007f4449279010 R09: 0000000000000000

 5437 13:53:14.086154  <4>[   49.883592] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5438 13:53:14.092769  <4>[   49.890976] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5439 13:53:14.132460  <4>[   49.898364] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5440 13:53:14.135950  <4>[   49.938290] CR2: ffffffffa605e5b9

 5441 13:53:14.142243  <4>[   49.941863] ---[ end trace e32a66cc720e8166 ]---

 5442 13:53:14.145599  <4>[   49.946734] RIP: 0010:lkdtm_BUG+0x5/0x10

 5443 13:53:14.165492  <4>[   49.950913] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 5444 13:53:14.171791  <4>[   49.969910] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 5445 13:53:14.178918  <4>[   49.975390] RAX: ffffffffa597b810 RBX: 0000000000000001 RCX: 0000000000000000

 5446 13:53:14.185443  <4>[   49.982772] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 5447 13:53:14.191797  <4>[   49.990157] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 5448 13:53:14.198325  <4>[   49.997539] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5449 13:53:14.208131  <4>[   50.004921] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 5450 13:53:14.214768  <4>[   50.012303] FS:  00007f44494ae580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5451 13:53:14.221563  <4>[   50.020639] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5452 13:53:14.228225  <4>[   50.026635] CR2: ffffffffa605e5b9 CR3: 0000000103f74000 CR4: 00000000001506e0

 5453 13:53:14.238510  <3>[   50.034019] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5454 13:53:14.244651  <3>[   50.043135] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1960, name: cat

 5455 13:53:14.251441  <4>[   50.050954] INFO: lockdep is turned off.

 5456 13:53:14.254628  <4>[   50.055129] irq event stamp: 0

 5457 13:53:14.261415  <4>[   50.058440] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5458 13:53:14.268101  <4>[   50.064959] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5459 13:53:14.278094  <4>[   50.073383] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5460 13:53:14.284473  <4>[   50.081807] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5461 13:53:14.291163  <4>[   50.088323] CPU: 1 PID: 1960 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5462 13:53:14.297578  <4>[   50.096314] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5463 13:53:14.301395  <4>[   50.102482] Call Trace:

 5464 13:53:14.304388  <4>[   50.105190]  dump_stack+0x77/0x9b

 5465 13:53:14.307447  <4>[   50.108763]  ___might_sleep.cold+0xa6/0xb6

 5466 13:53:14.310878  <4>[   50.113117]  exit_signals+0x1c/0x300

 5467 13:53:14.314212  <4>[   50.116947]  do_exit+0xc2/0xab0

 5468 13:53:14.317759  <4>[   50.120345]  ? ksys_write+0x68/0xf0

 5469 13:53:14.324426  <4>[   50.124089]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5470 13:53:14.327834  <4>[   50.129221]  make_task_dead+0x2f/0x30

 5471 13:53:14.334306  <4>[   50.133143]  rewind_stack_and_make_dead+0x17/0x20

 5472 13:53:14.337576  <4>[   50.138100] RIP: 0033:0x7f4449386473

 5473 13:53:14.357506  <4>[   50.141931] 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

 5474 13:53:14.363995  <4>[   50.160928] RSP: 002b:00007ffe61687068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5475 13:53:14.370748  <4>[   50.168747] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f4449386473

 5476 13:53:14.377090  <4>[   50.176129] RDX: 000000000000000b RSI: 00007f444927a000 RDI: 0000000000000001

 5477 13:53:14.387041  <4>[   50.183511] RBP: 00007f444927a000 R08: 00007f4449279010 R09: 0000000000000000

 5478 13:53:14.393771  <4>[   50.190893] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5479 13:53:14.400017  <4>[   50.198275] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5480 13:53:14.611325  <6>[   50.411226] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 5481 13:53:14.614757  # Killed

 5482 13:53:14.617777  # [   49.050547] lkdtm: Performing direct entry WRITE_KERN

 5483 13:53:14.624364  # [   49.055873] lkdtm: attempting bad 7219673 byte write at ffffffffa605e5b9

 5484 13:53:14.630965  # [   49.085025] BUG: unable to handle page fault for address: ffffffffa605e5b9

 5485 13:53:14.640978  # [   49.114310] #PF: supe<6>[   50.417517] lkdtm: attempting good refcount_inc() without overflow

 5486 13:53:14.643988  rvisor write access in kernel mode

 5487 13:53:14.650762  # [   49.141969] #PF: error_code(0x0003) - permissions violation

 5488 13:53:14.657387  # [   49.147791] PGD c5629067 P4D c5629067 PUD c562a063 PMD c44001e1 

 5489 13:53:14.660726  # [   49.176231] Oops: 0003 [#15] SMP NOPTI

 5490 13:53:14.667584  # [   49.202423] CPU: 1 PID: 1960 Comm<6>[   50.446129] lkdtm: attempting bad refcount_inc() overflow

 5491 13:53:14.673787  : cat Tainted: G      D W         5.10.201-cip41 #1

 5492 13:53:14.680309  # [   49.232595] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5493 13:53:14.683909  # [   49.238771] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 5494 13:53:14.697081  # [   49.265818] Code: 53 48 c7 c3 b9 e5 05 a6 49 89 dc 48 89 da 49 81 ec e0 b<4>[   50.473981] ------------[ cut here ]------------

 5495 13:53:14.706881  b 97 a5 4c 89 e6 e8 c5 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 e0 bb 97 a5 <f3> a4 48 c7 c7 00 32 f8 a6 e8 aa d9 fb ff 5b 41 5c e9 b7 fe ff ff

 5496 13:53:14.713476  # [   49.306998] RSP: 0018:ffffacf9c40cfe50 EFLAGS: 00010246

 5497 13:53:14.723330  # [   49.334661] RAX: 000000000000003c RBX: ffffffffa6<4>[   50.501010] refcount_t: saturated; leaking memory.

 5498 13:53:14.726491  05e5b9 RCX: 00000000006e29d9

 5499 13:53:14.733490  # [   49.364232] RDX: 0000000000000000 RSI: ffffffffa597bbe0 RDI: ffffffffa605e5b9

 5500 13:53:14.740146  # [   49.371615] RBP: ffffffffa6f8240a R08: 0000000000000000 R09: 0000000000000000

 5501 13:53:14.753213  # [   49.401182] R10: 00000000ffffe000 R11: 3fffffffffffff<4>[   50.528298] WARNING: CPU: 1 PID: 1996 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5502 13:53:14.756264  ff R12: 00000000006e29d9

 5503 13:53:14.762635  # [   49.408565] R13: ffffacf9c40cff10 R14: ffffacf9c40cff10 R15: ffff89a1c3d97000

 5504 13:53:14.772981  # [   49.438132] FS:  00007f44494ae580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5505 13:53:14.815509  # [   49.468654] CS:  0010 DS: 0000 ES: 0000 CR0: 0<4>[   50.559106] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5506 13:53:14.819506  000000080050033

 5507 13:53:14.825507  # [   49.474649] CR2: ffffffffa605e5b9 CR3: 0000000103f74000 CR4: 00000000001506e0

 5508 13:53:14.829471  # [   49.504215] Call Trace:

 5509 13:53:14.832812  # [   49.506929]  ? __die_body.cold+0x1a/0x1f

 5510 13:53:14.835855  # [   49.533285]  ? no_context+0x177/0x380

 5511 13:53:14.845299  # [   49.559385]  ? lkdtm_SLAB_FRE<4>[   50.621221] CPU: 1 PID: 1996 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5512 13:53:14.848928  E_CROSS.cold+0x32/0x32

 5513 13:53:14.852253  # [   49.586704]  ? exc_page_fault+0xd7/0x170

 5514 13:53:14.855331  # [   49.613063]  ? asm_exc_page_fault+0x1e/0x30

 5515 13:53:14.862020  # [   49.639687]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5516 13:53:14.865500  # [   49.667006]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 5517 13:53:14.875412  # [   49.693798]  ? lkdtm<4>[   50.651492] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5518 13:53:14.878386  _SLAB_FREE_CROSS.cold+0x32/0x32

 5519 13:53:14.882053  # [   49.721117]  ? lkdtm_WRITE_KERN+0x38/0x4e

 5520 13:53:14.885062  # [   49.747565]  direct_entry.cold+0x2c/0x38

 5521 13:53:14.888639  # [   49.773932]  full_proxy_write+0x56/0x80

 5522 13:53:14.891860  # [   49.800208]  vfs_write+0xea/0x3b0

 5523 13:53:14.895027  # [   49.818076]  ksys_write+0x68/0xf0

 5524 13:53:14.901859  # <4>[   50.679738] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5525 13:53:14.904986  [   49.821648]  do_syscall_64+0x33/0x40

 5526 13:53:14.911459  # [   49.825481]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5527 13:53:14.914638  # [   49.830788] RIP: 0033:0x7f4449386473

 5528 13:53:14.944689  # [   49.834621] 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<4>[   50.707456] Code: 84 bc 00 00 00 e9 bf ca 04 01 85 f6 74 46 80 3d 79 00 17 02 00 75 ee 48 c7 c7 08 d0 ed a6 c6 05 69 00 17 02 01 e8 89 e6 c5 00 <0f> 0b e9 98 ca 04 01 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed

 5529 13:53:14.951150   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

 5530 13:53:14.961144  # [   49.853618] RSP: 002b:00007ffe61687068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5531 13:53:14.971301  # [   49.861437] RAX: ffffffffffffffda RBX: 000000000000000b <4>[   50.748637] RSP: 0018:ffffacf9c4157e48 EFLAGS: 00010286

 5532 13:53:14.974576  RCX: 00007f4449386473

 5533 13:53:14.981387  # [   49.868823] RDX: 000000000000000b RSI: 00007f444927a000 RDI: 0000000000000001

 5534 13:53:14.987665  # [   49.876210] RBP: 00007f444927a000 R08: 00007f4449279010 R09: 0000000000000000

 5535 13:53:15.001269  # [   49.883592] R10: fffffffffffffbc5 R11: 0000000000000246 R12:<4>[   50.776264] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 5536 13:53:15.001366   0000000000000001

 5537 13:53:15.010634  # [   49.890976] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5538 13:53:15.030800  # [   49.898364] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gs<4>[   50.805838] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 5539 13:53:15.060803  mi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_so<4>[   50.835419] RBP: ffffffffa6f82415 R08: 0000000000000000 R09: 0000000000000000

 5540 13:53:15.063813  c_core snd_compress snd_pcm_dmaengine regmap_i2c

 5541 13:53:15.066959  # [   49.938290] CR2: ffffffffa605e5b9

 5542 13:53:15.073731  # [   49.941863] ---[ end trace e32a66cc720e8166 ]---

 5543 13:53:15.077299  # [   49.946734] RIP: 0010:lkdtm_BUG+0x5/0x10

 5544 13:53:15.090524  # [   49.950913] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff<4>[   50.864979] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5545 13:53:15.103318   eb de 48 c7 c0 ea ff ff ff e9 f9 92 a8 00 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 a0 64 0b 03

 5546 13:53:15.106977  # [   49.969910] RSP: 0018:ffffacf9c0c93e60 EFLAGS: 00010282

 5547 13:53:15.119729  # [   49.975390] RAX: ffffffffa597b810 <4>[   50.894604] R13: ffffacf9c4157f10 R14: ffffacf9c4157f10 R15: ffff89a1c5ca9000

 5548 13:53:15.126952  RB<4>[   50.924062] FS:  00007fde0553e580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5549 13:53:15.129928  X: 0000000000000001 RCX: 0000000000000000

 5550 13:53:15.139776  # [   49.982772] RDX: 0000000000000000 RSI: ffff89a1ead1bf50 RDI: ffffffffa6af80b0

 5551 13:53:15.146691  # [   49.990157] RBP: ffffffffa6fe8528 R08: 0000000000000001 R09: 0000000000000001

 5552 13:53:15.156289  # [   49.997539] R10: 00000000ffffe000 R11: 3<4>[   50.932566] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5553 13:53:15.159969  fffffffffffffff R12: 0000000000000004

 5554 13:53:15.166236  # [   50.004921] R13: ffffacf9c0c93f10 R14: ffffacf9c0c93f10 R15: ffff89a1c5261000

 5555 13:53:15.175943  # [   50.012303] FS:  00007f44494ae580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5556 13:53:15.186097  # [   50.020639] CS:  0010 DS: 0000 ES<4>[   50.960740] CR2: 00007fde0530a000 CR3: 000000010266a000 CR4: 00000000001506e0

 5557 13:53:15.189750  : 0000 CR0: 0000000080050033

 5558 13:53:15.196228  # [   50.026635] CR2: ffffffffa605e5b9 CR3: 0000000103f74000 CR4: 00000000001506e0

 5559 13:53:15.202648  # [   50.034019] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5560 13:53:15.209380  # [   50.043135] in_atomic(): 0, irqs_<4>[   50.990336] Call Trace:

 5561 13:53:15.215754  disabled(): 1, non_block: 0, pid: 1960, name: cat

 5562 13:53:15.219042  # [   50.050954] INFO: lockdep is turned off.

 5563 13:53:15.222695  # [   50.055129] irq event stamp: 0

 5564 13:53:15.229054  # [   50.058440] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5565 13:53:15.235587  # [   50.064959] hardirqs last disabled at (0):<4>[   51.015225]  ? __warn+0x80/0x110

 5566 13:53:15.238999   [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5567 13:53:15.248753  # [   50.073383] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5568 13:53:15.255670  # [   50.081807] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5569 13:53:15.261866  # [   50.088323] CPU: 1 PID: 1960 Com<4>[   51.040891]  ? refcount_warn_saturate+0x51/0x110

 5570 13:53:15.268848  m: cat Tainted: G      D W         5.10.201-cip41 #1

 5571 13:53:15.275089  # [   50.096314] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5572 13:53:15.275170  # [   50.102482] Call Trace:

 5573 13:53:15.281778  # [   50.105190]  dump_stack+0x77/0x9b<4>[   51.067959]  ? report_bug+0x9e/0xc0

 5574 13:53:15.281872  

 5575 13:53:15.288911  <4>[   51.088342]  ? handle_bug+0x41/0x90

 5576 13:53:15.291893  # [   50.108763]  ___might_sleep.cold+0xa6/0xb6

 5577 13:53:15.295137  # [   50.113117]  exit_signals+0x1c/0x300

 5578 13:53:15.298533  # [   50.116947]  do_exit+0xc2/0xab0

 5579 13:53:15.301556  # [   50.120345]  ? ksys_write+0x68/0xf0

 5580 13:53:15.308168  # [   50.124089]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5581 13:53:15.315014  # [   50.129221]  make_tas<4>[   51.092263]  ? exc_invalid_op+0x14/0x70

 5582 13:53:15.315093  k_dead+0x2f/0x30

 5583 13:53:15.318218  # [   50.133143]  rewind_stack_and_make_dead+0x17/0x20

 5584 13:53:15.324734  # [   50.138100] RIP: 0033:0x7f4449386473

 5585 13:53:15.341608  # [   50.141931] 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<4>[   51.118536]  ? asm_exc_invalid_op+0x12/0x20

 5586 13:53:15.347937   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

 5587 13:53:15.354617  # [   50.160928] RSP: 002b:00007ffe61687068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5588 13:53:15.361389  # [   50.168747] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f4449386473

 5589 13:53:15.367837  # [ <4>[   51.145207]  ? refcount_warn_saturate+0x51/0x110

 5590 13:53:15.374509    50.176129] RDX: 000000000000000b RSI: 00007f444927a000 RDI: 0000000000000001

 5591 13:53:15.381118  # [   50.183511] RBP: 00007f444927a000 R08: 00007f4449279010 R09: 0000000000000000

 5592 13:53:15.387651  # [   50.190893] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5593 13:53:15.394091  # [   50<4>[   51.172217]  ? refcount_warn_saturate+0x51/0x110

 5594 13:53:15.400601  .198275] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5595 13:53:15.404093  # WRITE_KERN: saw 'call trace:': ok

 5596 13:53:15.407230  ok 41 selftests: lkdtm: WRITE_KERN.sh

 5597 13:53:15.410550  # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 5598 13:53:15.417195  <4>[   51.199285]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 5599 13:53:15.420334  <4>[   51.221484]  direct_entry.cold+0x2c/0x38

 5600 13:53:15.424067  <4>[   51.225739]  full_proxy_write+0x56/0x80

 5601 13:53:15.427264  <4>[   51.229924]  vfs_write+0xea/0x3b0

 5602 13:53:15.430502  <4>[   51.233568]  ksys_write+0x68/0xf0

 5603 13:53:15.437344  <4>[   51.237238]  do_syscall_64+0x33/0x40

 5604 13:53:15.440384  <4>[   51.241168]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5605 13:53:15.443677  <4>[   51.246563] RIP: 0033:0x7fde05416473

 5606 13:53:15.464051  <4>[   51.250480] 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

 5607 13:53:15.473493  <4>[   51.269585] RSP: 002b:00007ffd5217d358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5608 13:53:15.480453  <4>[   51.277510] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fde05416473

 5609 13:53:15.486991  <4>[   51.284970] RDX: 0000000000000016 RSI: 00007fde0530a000 RDI: 0000000000000001

 5610 13:53:15.493478  <4>[   51.292464] RBP: 00007fde0530a000 R08: 00007fde05309010 R09: 0000000000000000

 5611 13:53:15.503474  <4>[   51.299980] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5612 13:53:15.509868  <4>[   51.307464] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5613 13:53:15.513455  <4>[   51.314989] irq event stamp: 0

 5614 13:53:15.520214  <4>[   51.318425] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5615 13:53:15.529868  <4>[   51.325044] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5616 13:53:15.537021  <4>[   51.333563] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5617 13:53:15.542983  <4>[   51.342076] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5618 13:53:15.549771  <4>[   51.348674] ---[ end trace e32a66cc720e8167 ]---

 5619 13:53:15.552960  <6>[   51.353640] lkdtm: Overflow detected: saturated

 5620 13:53:15.605210  # [   50.411226] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 5621 13:53:15.611852  # [   50.417517] lkdtm: attempting good refcount_inc() without overflow

 5622 13:53:15.618483  # [   50.446129] lkdtm: attempting bad refcount_inc() overflow

 5623 13:53:15.621626  # [   50.473981] ------------[ cut here ]------------

 5624 13:53:15.628690  # [   50.501010] refcount_t: saturated; leaking memory.

 5625 13:53:15.638259  # [   50.528298] WARNING: CPU: 1 PID: 1996 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5626 13:53:15.678396  # [   50.559106] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5627 13:53:15.684639  # [   50.621221] CPU: 1 PID: 1996 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5628 13:53:15.691275  # [   50.651492] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5629 13:53:15.694530  # [   50.679738] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5630 13:53:15.714393  # [   50.707456] Code: 84 bc 00 00 00 e9 bf ca 04 01 85 f6 74 46 80 3d 79 00 17 02 00 75 ee 48 c7 c7 08 d0 ed a6 c6 05 69 00 17 02 01 e8 89 e6 c5 00 <0f> 0b e9 98 ca 04 01 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed

 5631 13:53:15.721285  # [   50.748637] RSP: 0018:ffffacf9c4157e48 EFLAGS: 00010286

 5632 13:53:15.727663  # [   50.776264] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 5633 13:53:15.737702  # [   50.805838] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI<6>[   51.528403] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 5634 13:53:15.740994  : ffff89a1ead1bf50

 5635 13:53:15.747552  # [   50.835419] RBP: ffffffffa6f82415 R08: 0000000000000000 R09: 0000000000000000

 5636 13:53:15.753979  # [   50.864979] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5637 13:53:15.767775  # [   50.894604] R13: ffffacf9c4157f10 R14: ffffacf9c4157f10 R15: ff<6>[   51.544354] lkdtm: attempting good refcount_add() without overflow

 5638 13:53:15.770757  ff89a1c5ca9000

 5639 13:53:15.777604  # [   50.924062] FS:  00007fde0553e580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5640 13:53:15.783922  # [   50.932566] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5641 13:53:15.797069  # [   50.960740] CR2: 00007fde0530a000 CR3: 000000010266a000 CR4: 00000000001<6>[   51.572980] lkdtm: attempting bad refcount_add() overflow

 5642 13:53:15.797159  506e0

 5643 13:53:15.800695  # [   50.990336] Call Trace:

 5644 13:53:15.804047  # [   51.015225]  ? __warn+0x80/0x110

 5645 13:53:15.807093  # [   51.040891]  ? refcount_warn_saturate+0x51/0x110

 5646 13:53:15.810843  # [   51.067959]  ? report_bug+0x9e/0xc0

 5647 13:53:15.813876  # [   51.088342]  ? handle_bug+0x41/0x90

 5648 13:53:15.823605  # [   51.092263]  ? exc_invalid_op+0x14/0<4>[   51.600854] ------------[ cut here ]------------

 5649 13:53:15.823721  x70

 5650 13:53:15.827410  # [   51.118536]  ? asm_exc_invalid_op+0x12/0x20

 5651 13:53:15.833402  # [   51.145207]  ? refcount_warn_saturate+0x51/0x110

 5652 13:53:15.837203  # [   51.172217]  ? refcount_warn_saturate+0x51/0x110

 5653 13:53:15.843602  # [   51.199285]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 5654 13:53:15.849815  # [   51.221484]  direct_entry.col<4>[   51.627883] refcount_t: saturated; leaking memory.

 5655 13:53:15.849945  d+0x2c/0x38

 5656 13:53:15.856785  # [   51.225739]  full_proxy_write+0x56/0x80

 5657 13:53:15.859916  # [   51.229924]  vfs_write+0xea/0x3b0

 5658 13:53:15.863215  # [   51.233568]  ksys_write+0x68/0xf0

 5659 13:53:15.866764  # [   51.237238]  do_syscall_64+0x33/0x40

 5660 13:53:15.870341  # [   51.241168]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5661 13:53:15.879696  # [   51.24656<4>[   51.655250] WARNING: CPU: 1 PID: 2029 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5662 13:53:15.883287  3] RIP: 0033:0x7fde05416473

 5663 13:53:15.902910  # [   51.250480] 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

 5664 13:53:15.942765  # [   51.<4>[   51.686026] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5665 13:53:15.949348  269585] RSP: 002b:00007ffd5217d358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5666 13:53:15.956268  # [   51.277510] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fde05416473

 5667 13:53:15.966180  # [   51.284970] RDX: 0000000000000016 RSI: 00007fde0530a000 RDI: 0000000000000001

 5668 13:53:15.972418  # [   51<4>[   51.748057] CPU: 1 PID: 2029 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5669 13:53:15.979380  .292464] RBP: 00007fde0530a000 R08: 00007fde05309010 R09: 0000000000000000

 5670 13:53:15.985693  # [   51.299980] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5671 13:53:15.996144  # [   51.307464] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5672 13:53:16.002443  # [   51.314<4>[   51.778226] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5673 13:53:16.002528  989] irq event stamp: 0

 5674 13:53:16.008922  # [   51.318425] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5675 13:53:16.018933  # [   51.325044] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5676 13:53:16.028828  # [   51.333563] softirqs last  enabled at (0): [<ffffffffa4e<4>[   51.806572] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5677 13:53:16.031963  fd6cc>] copy_process+0x65c/0x20e0

 5678 13:53:16.038522  # [   51.342076] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5679 13:53:16.042101  # [   51.348674] ---[ end trace e32a66cc720e8167 ]---

 5680 13:53:16.049050  # [   51.353640] lkdtm: Overflow detected: saturated

 5681 13:53:16.072066  # REFCOUNT_INC_OVERFLOW: saw 'call tra<4>[   51.834257] Code: 84 bc 00 00 00 e9 bf ca 04 01 85 f6 74 46 80 3d 79 00 17 02 00 75 ee 48 c7 c7 08 d0 ed a6 c6 05 69 00 17 02 01 e8 89 e6 c5 00 <0f> 0b e9 98 ca 04 01 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed

 5682 13:53:16.072154  ce:': ok

 5683 13:53:16.075245  ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 5684 13:53:16.078406  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 5685 13:53:16.084801  <4>[   51.875439] RSP: 0018:ffffacf9c41cfe48 EFLAGS: 00010286

 5686 13:53:16.091444  <4>[   51.890112] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 5687 13:53:16.101441  <4>[   51.897558] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 5688 13:53:16.108299  <4>[   51.905008] RBP: ffffffffa6f8242b R08: 0000000000000000 R09: 0000000000000000

 5689 13:53:16.114460  <4>[   51.912488] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5690 13:53:16.121365  <4>[   51.919940] R13: ffffacf9c41cff10 R14: ffffacf9c41cff10 R15: ffff89a1c3aa1000

 5691 13:53:16.131298  <4>[   51.927388] FS:  00007f023fe213c0(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5692 13:53:16.137952  <4>[   51.935789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5693 13:53:16.144447  <4>[   51.941873] CR2: 00007f023fbf2000 CR3: 000000010270a000 CR4: 00000000001506e0

 5694 13:53:16.147526  <4>[   51.949354] Call Trace:

 5695 13:53:16.150673  <4>[   51.952188]  ? __warn+0x80/0x110

 5696 13:53:16.154329  <4>[   51.955763]  ? refcount_warn_saturate+0x51/0x110

 5697 13:53:16.160586  <4>[   51.960750]  ? report_bug+0x9e/0xc0

 5698 13:53:16.164097  <4>[   51.964599]  ? handle_bug+0x41/0x90

 5699 13:53:16.167319  <4>[   51.968480]  ? exc_invalid_op+0x14/0x70

 5700 13:53:16.171004  <4>[   51.972652]  ? asm_exc_invalid_op+0x12/0x20

 5701 13:53:16.177327  <4>[   51.977167]  ? refcount_warn_saturate+0x51/0x110

 5702 13:53:16.180632  <4>[   51.982136]  ? refcount_warn_saturate+0x51/0x110

 5703 13:53:16.187183  <4>[   51.987104]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 5704 13:53:16.190724  <4>[   51.992231]  direct_entry.cold+0x2c/0x38

 5705 13:53:16.197073  <4>[   51.996525]  full_proxy_write+0x56/0x80

 5706 13:53:16.200623  <4>[   52.000677]  vfs_write+0xea/0x3b0

 5707 13:53:16.203518  <4>[   52.004279]  ksys_write+0x68/0xf0

 5708 13:53:16.206730  <4>[   52.007925]  do_syscall_64+0x33/0x40

 5709 13:53:16.213679  <4>[   52.011908]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5710 13:53:16.217147  <4>[   52.017263] RIP: 0033:0x7f023fcfe473

 5711 13:53:16.237037  <4>[   52.021213] 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

 5712 13:53:16.244004  <4>[   52.040276] RSP: 002b:00007ffc836717b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5713 13:53:16.250100  <4>[   52.048198] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f023fcfe473

 5714 13:53:16.256488  <4>[   52.055700] RDX: 0000000000000016 RSI: 00007f023fbf2000 RDI: 0000000000000001

 5715 13:53:16.266681  <4>[   52.063170] RBP: 00007f023fbf2000 R08: 00007f023fbf1010 R09: 0000000000000000

 5716 13:53:16.273292  <4>[   52.070617] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5717 13:53:16.279658  <4>[   52.078074] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5718 13:53:16.283190  <4>[   52.085551] irq event stamp: 0

 5719 13:53:16.289646  <4>[   52.088951] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5720 13:53:16.299821  <4>[   52.095578] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5721 13:53:16.306197  <4>[   52.104113] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5722 13:53:16.313121  <4>[   52.112632] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5723 13:53:16.319369  <4>[   52.119238] ---[ end trace e32a66cc720e8168 ]---

 5724 13:53:16.322997  <6>[   52.124212] lkdtm: Overflow detected: saturated

 5725 13:53:16.364631  # [   51.528403] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 5726 13:53:16.371107  # [   51.544354] lkdtm: attempting good refcount_add() without overflow

 5727 13:53:16.377458  # [   51.572980] lkdtm: attempting bad refcount_add() overflow

 5728 13:53:16.380952  # [   51.600854] ------------[ cut here ]------------

 5729 13:53:16.387749  # [   51.627883] refcount_t: saturated; leaking memory.

 5730 13:53:16.397496  # [   51.655250] WARNING: CPU: 1 PID: 2029 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5731 13:53:16.436779  # [   51.686026] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5732 13:53:16.443333  # [   51.748057] CPU: 1 PID: 2029 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5733 13:53:16.450185  # [   51.778226] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5734 13:53:16.453781  # [   51.806572] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5735 13:53:16.473228  # [   51.834257] Code: 84 bc 00 00 00 e9 bf ca 04 01 85 f6 74 46 80 3d 79 00 17 02 00 75 ee 48 c7 c7 08 d0 ed a6 c6 05 69 00 17 02 01 e8 89 e6 c5 00 <0f> 0b e9 98 ca 04 01 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed

 5736 13:53:16.480248  # [   51.875439] RSP: 0018:ffffacf9c41cfe48 EFLAGS: 00010286

 5737 13:53:16.486631  # [   51.890112] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 5738 13:53:16.499724  # [   51.897558] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff8<6>[   52.289466] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 5739 13:53:16.499821  9a1ead1bf50

 5740 13:53:16.509566  # [   51.905008] RBP: ffffffffa6f8242b R08: 0000000000000000 R09: 0000000000000000

 5741 13:53:16.516419  # [   51.912488] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5742 13:53:16.529589  # [   51.919940] R13: ffffacf9c41cff10 R14: ffffacf9c41cff10 R15: ffff89a1c<6>[   52.304718] lkdtm: attempting bad refcount_inc_not_zero() overflow

 5743 13:53:16.529674  3aa1000

 5744 13:53:16.536411  # [   51.927388] FS:  00007f023fe213c0(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5745 13:53:16.542559  # [   51.935789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5746 13:53:16.549421  # [   51.941873] CR2: 00007f023fbf2000 CR3: 000000010270a000 CR4: 00000000001506e0

 5747 13:53:16.556215  <4>[   52.333344] ------------[ cut here ]------------

 5748 13:53:16.559239  # [   51.949354] Call Trace:

 5749 13:53:16.562400  # [   51.952188]  ? __warn+0x80/0x110

 5750 13:53:16.565922  # [   51.955763]  ? refcount_warn_saturate+0x51/0x110

 5751 13:53:16.569042  # [   51.960750]  ? report_bug+0x9e/0xc0

 5752 13:53:16.572243  # [   51.964599]  ? handle_bug+0x41/0x90

 5753 13:53:16.578827  # [   51.968480]  ? exc_invalid_op+0x14/0x70

 5754 13:53:16.582250  # <4>[   52.360409] refcount_t: saturated; leaking memory.

 5755 13:53:16.585520  [   51.972652]  ? asm_exc_invalid_op+0x12/0x20

 5756 13:53:16.592529  # [   51.977167]  ? refcount_warn_saturate+0x51/0x110

 5757 13:53:16.595571  # [   51.982136]  ? refcount_warn_saturate+0x51/0x110

 5758 13:53:16.601926  # [   51.987104]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 5759 13:53:16.612222  # [   51.992231]  direct_entry.cold+0x2c/<4>[   52.387650] WARNING: CPU: 1 PID: 2062 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5760 13:53:16.615465  0x38

 5761 13:53:16.618613  # [   51.996525]  full_proxy_write+0x56/0x80

 5762 13:53:16.621856  # [   52.000677]  vfs_write+0xea/0x3b0

 5763 13:53:16.625448  # [   52.004279]  ksys_write+0x68/0xf0

 5764 13:53:16.628620  # [   52.007925]  do_syscall_64+0x33/0x40

 5765 13:53:16.635359  # [   52.011908]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5766 13:53:16.675048  # [   52.017263] RIP:<4>[   52.418543] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5767 13:53:16.678263   0033:0x7f023fcfe473

 5768 13:53:16.695157  # [   52.021213] 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

 5769 13:53:16.705013  # [   52.040276]<4>[   52.480660] CPU: 1 PID: 2062 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5770 13:53:16.711598   RSP: 002b:00007ffc836717b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5771 13:53:16.717726  # [   52.048198] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f023fcfe473

 5772 13:53:16.727594  # [   52.055700] RDX: 0000000000000016 RSI: 00007f023fbf2000 RDI: 0000000000000001

 5773 13:53:16.734404  # [   52.063170<4>[   52.510759] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5774 13:53:16.740799  ] RBP: 00007f023fbf2000 R08: 00007f023fbf1010 R09: 0000000000000000

 5775 13:53:16.747651  # [   52.070617] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5776 13:53:16.754580  # [   52.078074] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5777 13:53:16.760623  # [   52.085551] ir<4>[   52.539158] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5778 13:53:16.764197  q event stamp: 0

 5779 13:53:16.770852  # [   52.088951] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5780 13:53:16.777183  # [   52.095578] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5781 13:53:16.803877  # [   52.104113] softirqs last  enabled at (0): [<ffffffffa4efd6cc>]<4>[   52.566830] Code: 02 01 e8 66 e6 c5 00 0f 0b e9 75 ca 04 01 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed a6 c6 05 24 00 17 02 01 e8 43 e6 c5 00 <0f> 0b e9 52 ca 04 01 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed

 5782 13:53:16.803967   copy_process+0x65c/0x20e0

 5783 13:53:16.810602  # [   52.112632] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5784 13:53:16.817380  # [   52.119238] ---[ end trace e32a66cc720e8168 ]---

 5785 13:53:16.820736  # [   52.124212] lkdtm: Overflow detected: saturated

 5786 13:53:16.830395  # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': o<4>[   52.607987] RSP: 0018:ffffacf9c4267e38 EFLAGS: 00010282

 5787 13:53:16.830480  k

 5788 13:53:16.833630  ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 5789 13:53:16.840353  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 5790 13:53:16.847138  <4>[   52.635651] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5791 13:53:16.853551  <4>[   52.652375] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 5792 13:53:16.863576  <4>[   52.659817] RBP: ffffffffa6f82068 R08: 0000000000000000 R09: 0000000000000000

 5793 13:53:16.870468  <4>[   52.667285] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5794 13:53:16.877282  <4>[   52.674729] R13: ffffacf9c4267f10 R14: ffffacf9c4267f10 R15: ffff89a1c2c7d000

 5795 13:53:16.886701  <4>[   52.682182] FS:  00007fdbf49a5580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5796 13:53:16.890199  <4>[   52.690581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5797 13:53:16.899943  <4>[   52.696642] CR2: 00007fdbf4772000 CR3: 0000000102c66000 CR4: 00000000001506e0

 5798 13:53:16.903176  <4>[   52.704097] Call Trace:

 5799 13:53:16.906494  <4>[   52.706901]  ? __warn+0x80/0x110

 5800 13:53:16.910167  <4>[   52.710488]  ? refcount_warn_saturate+0x97/0x110

 5801 13:53:16.913248  <4>[   52.715463]  ? report_bug+0x9e/0xc0

 5802 13:53:16.916459  <4>[   52.719310]  ? handle_bug+0x41/0x90

 5803 13:53:16.923486  <4>[   52.723135]  ? exc_invalid_op+0x14/0x70

 5804 13:53:16.926823  <4>[   52.727322]  ? asm_exc_invalid_op+0x12/0x20

 5805 13:53:16.933417  <4>[   52.731821]  ? refcount_warn_saturate+0x97/0x110

 5806 13:53:16.936568  <4>[   52.736741]  ? refcount_warn_saturate+0x97/0x110

 5807 13:53:16.943032  <4>[   52.741632]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5808 13:53:16.949702  <4>[   52.747391]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 5809 13:53:16.952820  <4>[   52.753230]  direct_entry.cold+0x2c/0x38

 5810 13:53:16.956071  <4>[   52.757423]  full_proxy_write+0x56/0x80

 5811 13:53:16.959814  <4>[   52.761539]  vfs_write+0xea/0x3b0

 5812 13:53:16.962963  <4>[   52.765120]  ksys_write+0x68/0xf0

 5813 13:53:16.966560  <4>[   52.768704]  do_syscall_64+0x33/0x40

 5814 13:53:16.972796  <4>[   52.772546]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5815 13:53:16.976390  <4>[   52.777862] RIP: 0033:0x7fdbf487e473

 5816 13:53:16.996293  <4>[   52.781704] 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

 5817 13:53:17.002463  <4>[   52.800734] RSP: 002b:00007fff1abefb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5818 13:53:17.012766  <4>[   52.808569] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fdbf487e473

 5819 13:53:17.019211  <4>[   52.815976] RDX: 000000000000001f RSI: 00007fdbf4772000 RDI: 0000000000000001

 5820 13:53:17.025474  <4>[   52.823367] RBP: 00007fdbf4772000 R08: 00007fdbf4771010 R09: 0000000000000000

 5821 13:53:17.032006  <4>[   52.830767] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5822 13:53:17.038853  <4>[   52.838158] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5823 13:53:17.042668  <4>[   52.845556] irq event stamp: 0

 5824 13:53:17.048829  <4>[   52.848875] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5825 13:53:17.058377  <4>[   52.855403] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5826 13:53:17.068425  <4>[   52.863846] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5827 13:53:17.075129  <4>[   52.872278] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5828 13:53:17.078667  <4>[   52.878803] ---[ end trace e32a66cc720e8169 ]---

 5829 13:53:17.081861  <6>[   52.883682] lkdtm: Overflow detected: saturated

 5830 13:53:17.120462  # [   52.289466] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 5831 13:53:17.124244  # [   52.304718] lkdtm: attempting bad refcount_inc_not_zero() overflow

 5832 13:53:17.130647  # [   52.333344] ------------[ cut here ]------------

 5833 13:53:17.133746  # [   52.360409] refcount_t: saturated; leaking memory.

 5834 13:53:17.143638  # [   52.387650] WARNING: CPU: 1 PID: 2062 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5835 13:53:17.183500  # [   52.418543] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5836 13:53:17.190294  # [   52.480660] CPU: 1 PID: 2062 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5837 13:53:17.196843  # [   52.510759] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5838 13:53:17.203463  # [   52.539158] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5839 13:53:17.222967  # [   52.566830] Code: 02 01 e8 66 e6 c5 00 0f 0b e9 75 ca 04 01 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed a6 c6 05 24 00 17 02 01 e8 43 e6 c5 00 <0f> 0b e9 52 ca 04 01 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed

 5840 13:53:17.226859  # [   52.607987] RSP: 0018:ffffacf9c4267e38 EFLAGS: 00010282

 5841 13:53:17.232953  # [   52.635651] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5842 13:53:17.242888  # [   52.652375] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 5843 13:53:17.252866  # [   52.659817] RBP: ffffffffa6f82068 R08<6>[   53.049939] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 5844 13:53:17.256167  : 0000000000000000 R09: 0000000000000000

 5845 13:53:17.262836  # [   52.667285] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5846 13:53:17.269324  # [   52.674729] R13: ffffacf9c4267f10 R14: ffffacf9c4267f10 R15: ffff89a1c2c7d000

 5847 13:53:17.282455  # [   52.682182] FS:  00007fdbf49a5580(0000) G<6>[   53.057615] lkdtm: attempting bad refcount_add_not_zero() overflow

 5848 13:53:17.286084  S:ffff89a1ead00000(0000) knlGS:0000000000000000

 5849 13:53:17.292439  # [   52.690581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5850 13:53:17.299030  # [   52.696642] CR2: 00007fdbf4772000 CR3: 0000000102c66000 CR4: 00000000001506e0

 5851 13:53:17.302153  # [   52.704097] Call Trace:

 5852 13:53:17.308804  # [   52.706901]  ? __war<4>[   53.086245] ------------[ cut here ]------------

 5853 13:53:17.308909  n+0x80/0x110

 5854 13:53:17.315612  # [   52.710488]  ? refcount_warn_saturate+0x97/0x110

 5855 13:53:17.318567  # [   52.715463]  ? report_bug+0x9e/0xc0

 5856 13:53:17.322053  # [   52.719310]  ? handle_bug+0x41/0x90

 5857 13:53:17.325605  # [   52.723135]  ? exc_invalid_op+0x14/0x70

 5858 13:53:17.328770  # [   52.727322]  ? asm_exc_invalid_op+0x12/0x20

 5859 13:53:17.335208  # [   5<4>[   53.113331] refcount_t: saturated; leaking memory.

 5860 13:53:17.338636  2.731821]  ? refcount_warn_saturate+0x97/0x110

 5861 13:53:17.344973  # [   52.736741]  ? refcount_warn_saturate+0x97/0x110

 5862 13:53:17.348675  # [   52.741632]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5863 13:53:17.354882  # [   52.747391]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 5864 13:53:17.365053  # [   52.753230]  dire<4>[   53.140582] WARNING: CPU: 1 PID: 2095 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5865 13:53:17.368000  ct_entry.cold+0x2c/0x38

 5866 13:53:17.371803  # [   52.757423]  full_proxy_write+0x56/0x80

 5867 13:53:17.375196  # [   52.761539]  vfs_write+0xea/0x3b0

 5868 13:53:17.378358  # [   52.765120]  ksys_write+0x68/0xf0

 5869 13:53:17.381784  # [   52.768704]  do_syscall_64+0x33/0x40

 5870 13:53:17.388330  # [   52.772546]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5871 13:53:17.427637  # <4>[   53.171499] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5872 13:53:17.431153  [   52.777862] RIP: 0033:0x7fdbf487e473

 5873 13:53:17.457553  # [   52.781704] 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 1<4>[   53.233495] CPU: 1 PID: 2095 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5874 13:53:17.457655  8

 5875 13:53:17.467140  # [   52.800734] RSP: 002b:00007fff1abefb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5876 13:53:17.473873  # [   52.808569] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fdbf487e473

 5877 13:53:17.486991  # [   52.815976] RDX: 000000000000001f RSI: 00007fdbf4772000 RDI: 00000000000000<4>[   53.263734] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5878 13:53:17.487114  01

 5879 13:53:17.494269  # [   52.823367] RBP: 00007fdbf4772000 R08: 00007fdbf4771010 R09: 0000000000000000

 5880 13:53:17.500640  # [   52.830767] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5881 13:53:17.510262  # [   52.838158] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5882 13:53:17.514072  <4>[   53.292075] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5883 13:53:17.517476  # [   52.845556] irq event stamp: 0

 5884 13:53:17.523602  # [   52.848875] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5885 13:53:17.533685  # [   52.855403] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5886 13:53:17.556489  # [   52.863846] softirqs last  enabled at (0): [<4>[   53.319722] Code: 02 01 e8 66 e6 c5 00 0f 0b e9 75 ca 04 01 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed a6 c6 05 24 00 17 02 01 e8 43 e6 c5 00 <0f> 0b e9 52 ca 04 01 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed

 5887 13:53:17.560093  <ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5888 13:53:17.566659  # [   52.872278] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5889 13:53:17.570165  # [   52.878803] ---[ end trace e32a66cc720e8169 ]---

 5890 13:53:17.576409  # [   52.883682] lkdtm: Overflow detected: saturated

 5891 13:53:17.583461  # REFCOUNT_INC_NOT_ZERO_OV<4>[   53.360876] RSP: 0018:ffffacf9c42e7e38 EFLAGS: 00010282

 5892 13:53:17.586553  ERFLOW: saw 'call trace:': ok

 5893 13:53:17.590100  ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 5894 13:53:17.596343  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 5895 13:53:17.603000  <4>[   53.388563] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5896 13:53:17.609604  <4>[   53.408496] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 5897 13:53:17.619467  <4>[   53.415942] RBP: ffffffffa6f82088 R08: 0000000000000000 R09: 0000000000000000

 5898 13:53:17.625826  <4>[   53.423384] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5899 13:53:17.632825  <4>[   53.430838] R13: ffffacf9c42e7f10 R14: ffffacf9c42e7f10 R15: ffff89a1c3b6f000

 5900 13:53:17.642931  <4>[   53.438303] FS:  00007f7d57376580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 5901 13:53:17.649078  <4>[   53.446706] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5902 13:53:17.656100  <4>[   53.452771] CR2: 00007f7d57142000 CR3: 0000000103a30000 CR4: 00000000001506e0

 5903 13:53:17.659396  <4>[   53.460227] Call Trace:

 5904 13:53:17.662532  <4>[   53.463030]  ? __warn+0x80/0x110

 5905 13:53:17.666090  <4>[   53.466605]  ? refcount_warn_saturate+0x97/0x110

 5906 13:53:17.669390  <4>[   53.471582]  ? report_bug+0x9e/0xc0

 5907 13:53:17.672424  <4>[   53.475430]  ? handle_bug+0x41/0x90

 5908 13:53:17.679330  <4>[   53.479242]  ? exc_invalid_op+0x14/0x70

 5909 13:53:17.682435  <4>[   53.483549]  ? asm_exc_invalid_op+0x12/0x20

 5910 13:53:17.689239  <4>[   53.488102]  ? refcount_warn_saturate+0x97/0x110

 5911 13:53:17.692465  <4>[   53.493060]  ? refcount_warn_saturate+0x97/0x110

 5912 13:53:17.699084  <4>[   53.498094]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5913 13:53:17.705670  <4>[   53.504036]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 5914 13:53:17.709274  <4>[   53.509932]  direct_entry.cold+0x2c/0x38

 5915 13:53:17.712251  <4>[   53.514265]  full_proxy_write+0x56/0x80

 5916 13:53:17.715739  <4>[   53.518438]  vfs_write+0xea/0x3b0

 5917 13:53:17.722164  <4>[   53.522050]  ksys_write+0x68/0xf0

 5918 13:53:17.725830  <4>[   53.525632]  do_syscall_64+0x33/0x40

 5919 13:53:17.728839  <4>[   53.529484]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5920 13:53:17.732292  <4>[   53.534798] RIP: 0033:0x7f7d5724e473

 5921 13:53:17.752035  <4>[   53.538637] 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

 5922 13:53:17.761629  <4>[   53.557735] RSP: 002b:00007ffc5dd71948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5923 13:53:17.768286  <4>[   53.565591] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7d5724e473

 5924 13:53:17.775087  <4>[   53.573018] RDX: 000000000000001f RSI: 00007f7d57142000 RDI: 0000000000000001

 5925 13:53:17.781848  <4>[   53.580432] RBP: 00007f7d57142000 R08: 00007f7d57141010 R09: 0000000000000000

 5926 13:53:17.791651  <4>[   53.587831] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5927 13:53:17.798318  <4>[   53.595224] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5928 13:53:17.801591  <4>[   53.602647] irq event stamp: 0

 5929 13:53:17.808371  <4>[   53.605966] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5930 13:53:17.814772  <4>[   53.612506] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5931 13:53:17.824930  <4>[   53.620939] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5932 13:53:17.831493  <4>[   53.629371] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5933 13:53:17.834892  <4>[   53.635895] ---[ end trace e32a66cc720e816a ]---

 5934 13:53:17.841418  <6>[   53.640775] lkdtm: Overflow detected: saturated

 5935 13:53:17.878855  # [   53.049939] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 5936 13:53:17.885372  # [   53.057615] lkdtm: attempting bad refcount_add_not_zero() overflow

 5937 13:53:17.888512  # [   53.086245] ------------[ cut here ]------------

 5938 13:53:17.891686  # [   53.113331] refcount_t: saturated; leaking memory.

 5939 13:53:17.901776  # [   53.140582] WARNING: CPU: 1 PID: 2095 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5940 13:53:17.941482  # [   53.171499] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5941 13:53:17.948426  # [   53.233495] CPU: 1 PID: 2095 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5942 13:53:17.954830  # [   53.263734] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5943 13:53:17.961163  # [   53.292075] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5944 13:53:17.981120  # [   53.319722] Code: 02 01 e8 66 e6 c5 00 0f 0b e9 75 ca 04 01 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed a6 c6 05 24 00 17 02 01 e8 43 e6 c5 00 <0f> 0b e9 52 ca 04 01 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed

 5945 13:53:17.984426  # [   53.360876] RSP: 0018:ffffacf9c42e7e38 EFLAGS: 00010282

 5946 13:53:17.991255  # [   53.388563] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5947 13:53:18.001387  # [   53.408496] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 5948 13:53:18.008142  # [   53.415942] RBP: ffffffffa6f82088 R08: 0000000000000000 R09: 0000000000000000

 5949 13:53:18.014216  # [   53.423384] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5950 13:53:18.020822  # [   53.430838] R13: ffffacf9c42e7f10 R14: ffffacf9c42e7f10 R15: ffff89a1c3b6f000

 5951 13:53:18.031020  # [   53.438303] FS:  00007f7d57376580(0000) G<6>[   53.808765] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 5952 13:53:18.037118  S:ffff89a1ead00000(0000) knlGS:0000000000000000

 5953 13:53:18.040761  # [   53.446706] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5954 13:53:18.050436  # [   53.452771] CR2: 00007f7d57142000 CR3: 0000000103a30000 CR4: 00000000001506e0

 5955 13:53:18.050526  # [   53.460227] Call Trace:

 5956 13:53:18.057482  # [   53.463030]  ? __war<6>[   53.836695] lkdtm: attempting good refcount_dec()

 5957 13:53:18.060650  n+0x80/0x110

 5958 13:53:18.063931  # [   53.466605]  ? refcount_warn_saturate+0x97/0x110

 5959 13:53:18.066903  # [   53.471582]  ? report_bug+0x9e/0xc0

 5960 13:53:18.070490  # [   53.475430]  ? handle_bug+0x41/0x90

 5961 13:53:18.077270  # [   53.479242]  ? exc_invalid_op+0x14/0x70

 5962 13:53:18.080781  # [   53.483549]  ? asm_exc_invalid_op+0x12/0x20

 5963 13:53:18.086958  # [   5<6>[   53.863857] lkdtm: attempting bad refcount_dec() to zero

 5964 13:53:18.090272  3.488102]  ? refcount_warn_saturate+0x97/0x110

 5965 13:53:18.097047  # [   53.493060]  ? refcount_warn_saturate+0x97/0x110

 5966 13:53:18.100205  # [   53.498094]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5967 13:53:18.107024  # [   53.504036]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 5968 13:53:18.113638  # [   53.509932]  dire<4>[   53.891636] ------------[ cut here ]------------

 5969 13:53:18.116911  ct_entry.cold+0x2c/0x38

 5970 13:53:18.119921  # [   53.514265]  full_proxy_write+0x56/0x80

 5971 13:53:18.123164  # [   53.518438]  vfs_write+0xea/0x3b0

 5972 13:53:18.126503  # [   53.522050]  ksys_write+0x68/0xf0

 5973 13:53:18.130057  # [   53.525632]  do_syscall_64+0x33/0x40

 5974 13:53:18.136567  # [   53.529484]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5975 13:53:18.140073  # <4>[   53.918680] refcount_t: decrement hit 0; leaking memory.

 5976 13:53:18.143308  [   53.534798] RIP: 0033:0x7f7d5724e473

 5977 13:53:18.173182  # [   53.538637] 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 1<4>[   53.946588] WARNING: CPU: 1 PID: 2128 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5978 13:53:18.173280  8

 5979 13:53:18.179895  # [   53.557735] RSP: 002b:00007ffc5dd71948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5980 13:53:18.186404  # [   53.565591] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7d5724e473

 5981 13:53:18.232568  # [   53.573018] RDX: 000000000000001f RSI: 00007f7d57142000 RDI: 00000000000000<4>[   53.977363] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5982 13:53:18.236081  01

 5983 13:53:18.242639  # [   53.580432] RBP: 00007f7d57142000 R08: 00007f7d57141010 R09: 0000000000000000

 5984 13:53:18.249395  # [   53.587831] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5985 13:53:18.255829  # [   53.595224] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5986 13:53:18.265591  <4>[   54.039396] CPU: 1 PID: 2128 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 5987 13:53:18.269374  # [   53.602647] irq event stamp: 0

 5988 13:53:18.275330  # [   53.605966] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5989 13:53:18.282163  # [   53.612506] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5990 13:53:18.292199  # [   53.620939] softirqs last  enabled at (0): [<4>[   54.069578] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5991 13:53:18.295497  <ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 5992 13:53:18.302185  # [   53.629371] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5993 13:53:18.308588  # [   53.635895] ---[ end trace e32a66cc720e816a ]---

 5994 13:53:18.312382  # [   53.640775] lkdtm: Overflow detected: saturated

 5995 13:53:18.322158  # REFCOUNT_ADD_NOT_ZERO_OV<4>[   54.097922] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5996 13:53:18.322238  ERFLOW: saw 'call trace:': ok

 5997 13:53:18.328657  ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 5998 13:53:18.331794  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 5999 13:53:18.351880  <4>[   54.125575] Code: b8 d0 ed a6 c6 05 d5 ff 16 02 01 e8 f9 e5 c5 00 0f 0b e9 08 ca 04 01 48 c7 c7 88 d0 ed a6 c6 05 bc ff 16 02 01 e8 df e5 c5 00 <0f> 0b e9 ee c9 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6000 13:53:18.355041  <4>[   54.156023] RSP: 0018:ffffacf9c434fe48 EFLAGS: 00010286

 6001 13:53:18.365199  <4>[   54.161559] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 6002 13:53:18.371699  <4>[   54.169008] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 6003 13:53:18.378140  <4>[   54.176467] RBP: ffffffffa6f82441 R08: 0000000000000000 R09: 0000000000000000

 6004 13:53:18.385245  <4>[   54.183921] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6005 13:53:18.395076  <4>[   54.191371] R13: ffffacf9c434ff10 R14: ffffacf9c434ff10 R15: ffff89a1c2c40000

 6006 13:53:18.401312  <4>[   54.198839] FS:  00007ff4b76c2580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 6007 13:53:18.407925  <4>[   54.207270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6008 13:53:18.414676  <4>[   54.213379] CR2: 00007ff4b7492000 CR3: 000000010574e000 CR4: 00000000001506e0

 6009 13:53:18.417676  <4>[   54.220874] Call Trace:

 6010 13:53:18.421374  <4>[   54.223684]  ? __warn+0x80/0x110

 6011 13:53:18.428137  <4>[   54.227254]  ? refcount_warn_saturate+0xfb/0x110

 6012 13:53:18.430935  <4>[   54.232243]  ? report_bug+0x9e/0xc0

 6013 13:53:18.434703  <4>[   54.236075]  ? handle_bug+0x41/0x90

 6014 13:53:18.437775  <4>[   54.239916]  ? exc_invalid_op+0x14/0x70

 6015 13:53:18.444346  <4>[   54.244118]  ? asm_exc_invalid_op+0x12/0x20

 6016 13:53:18.447694  <4>[   54.248668]  ? refcount_warn_saturate+0xfb/0x110

 6017 13:53:18.454709  <4>[   54.253629]  ? refcount_warn_saturate+0xfb/0x110

 6018 13:53:18.457812  <4>[   54.258592]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 6019 13:53:18.461138  <4>[   54.263385]  direct_entry.cold+0x2c/0x38

 6020 13:53:18.467859  <4>[   54.267667]  full_proxy_write+0x56/0x80

 6021 13:53:18.471168  <4>[   54.271872]  vfs_write+0xea/0x3b0

 6022 13:53:18.474423  <4>[   54.275567]  ksys_write+0x68/0xf0

 6023 13:53:18.477713  <4>[   54.279145]  do_syscall_64+0x33/0x40

 6024 13:53:18.484280  <4>[   54.283019]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6025 13:53:18.487406  <4>[   54.288345] RIP: 0033:0x7ff4b759e473

 6026 13:53:18.507313  <4>[   54.292184] 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

 6027 13:53:18.513902  <4>[   54.311185] RSP: 002b:00007ffd9160eca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6028 13:53:18.520762  <4>[   54.319034] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff4b759e473

 6029 13:53:18.526901  <4>[   54.326429] RDX: 0000000000000012 RSI: 00007ff4b7492000 RDI: 0000000000000001

 6030 13:53:18.537115  <4>[   54.333821] RBP: 00007ff4b7492000 R08: 00007ff4b7491010 R09: 0000000000000000

 6031 13:53:18.543971  <4>[   54.341212] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6032 13:53:18.550375  <4>[   54.348617] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6033 13:53:18.553771  <4>[   54.356017] irq event stamp: 0

 6034 13:53:18.560039  <4>[   54.359337] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6035 13:53:18.570066  <4>[   54.365867] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6036 13:53:18.576715  <4>[   54.374299] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6037 13:53:18.583316  <4>[   54.382755] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6038 13:53:18.590218  <4>[   54.389291] ---[ end trace e32a66cc720e816b ]---

 6039 13:53:18.593547  <6>[   54.394181] lkdtm: Zero detected: saturated

 6040 13:53:18.631644  # [   53.808765] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 6041 13:53:18.637742  # [   53.836695] lkdtm: attempting good refcount_dec()

 6042 13:53:18.641475  # [   53.863857] lkdtm: attempting bad refcount_dec() to zero

 6043 13:53:18.647861  # [   53.891636] ------------[ cut here ]------------

 6044 13:53:18.654549  # [   53.918680] refcount_t: decrement hit 0; leaking memory.

 6045 13:53:18.661355  # [   53.946588] WARNING: CPU: 1 PID: 2128 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6046 13:53:18.700657  # [   53.977363] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6047 13:53:18.710450  # [   54.039396] CPU: 1 PID: 2128 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6048 13:53:18.713596  # [   54.069578] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6049 13:53:18.720721  # [   54.097922] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6050 13:53:18.740166  # [   54.125575] Code: b8 d0 ed a6 c6 05 d5 ff 16 02 01 e8 f9 e5 c5 00 0f 0b e9 08 ca 04 01 48 c7 c7 88 d0 ed a6 c6 05 bc ff 16 02 01 e8 df e5 c5 00 <0f> 0b e9 ee c9 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6051 13:53:18.743624  # [   54.156023] RSP: 0018:ffffacf9c434fe48 EFLAGS: 00010286

 6052 13:53:18.753870  # [   54.161559] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 6053 13:53:18.760112  # [   54.169008] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 6054 13:53:18.770671  # [   54.176467] RBP: ffffffffa6f82441 R08: 0000000000000000 R09: 0000<6>[   54.562718] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6055 13:53:18.774033  000000000000

 6056 13:53:18.780462  # [   54.183921] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6057 13:53:18.786885  # [   54.191371] R13: ffffacf9c434ff10 R14: ffffacf9c434ff10 R15: ffff89a1c2c40000

 6058 13:53:18.800086  # [   54.198839] FS:  00007ff4b76c2580(0000) GS:ffff89a1ead00000(0000) knl<6>[   54.576692] lkdtm: attempting bad refcount_dec() below zero

 6059 13:53:18.803862  GS:0000000000000000

 6060 13:53:18.806577  # [   54.207270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6061 13:53:18.816745  # [   54.213379] CR2: 00007ff4b7492000 CR3: 000000010574e000 CR4: 00000000001506e0

 6062 13:53:18.817269  # [   54.220874] Call Trace:

 6063 13:53:18.819824  # [   54.223684]  ? __warn+0x80/0x110

 6064 13:53:18.826753  # [   54.22725<4>[   54.604725] ------------[ cut here ]------------

 6065 13:53:18.829839  4]  ? refcount_warn_saturate+0xfb/0x110

 6066 13:53:18.832997  # [   54.232243]  ? report_bug+0x9e/0xc0

 6067 13:53:18.836123  # [   54.236075]  ? handle_bug+0x41/0x90

 6068 13:53:18.843148  # [   54.239916]  ? exc_invalid_op+0x14/0x70

 6069 13:53:18.846126  # [   54.244118]  ? asm_exc_invalid_op+0x12/0x20

 6070 13:53:18.855672  # [   54.248668]  ? refcount_warn_s<4>[   54.631797] refcount_t: decrement hit 0; leaking memory.

 6071 13:53:18.855759  aturate+0xfb/0x110

 6072 13:53:18.862441  # [   54.253629]  ? refcount_warn_saturate+0xfb/0x110

 6073 13:53:18.865742  # [   54.258592]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 6074 13:53:18.868954  # [   54.263385]  direct_entry.cold+0x2c/0x38

 6075 13:53:18.872146  # [   54.267667]  full_proxy_write+0x56/0x80

 6076 13:53:18.885750  # [   54.271872]  vfs_write+0xea/0x<4>[   54.659588] WARNING: CPU: 1 PID: 2164 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6077 13:53:18.885850  3b0

 6078 13:53:18.888835  # [   54.275567]  ksys_write+0x68/0xf0

 6079 13:53:18.892425  # [   54.279145]  do_syscall_64+0x33/0x40

 6080 13:53:18.898759  # [   54.283019]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6081 13:53:18.902457  # [   54.288345] RIP: 0033:0x7ff4b759e473

 6082 13:53:18.948423  # [   54.292184] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 <4>[   54.690491] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6083 13:53:18.961747  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

 6084 13:53:18.967859  # [   54.311185] RSP: 002b:00007ffd9160eca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6085 13:53:18.977839  # [   54.31903<4>[   54.752521] CPU: 1 PID: 2164 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6086 13:53:18.984404  4] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff4b759e473

 6087 13:53:18.991007  # [   54.326429] RDX: 0000000000000012 RSI: 00007ff4b7492000 RDI: 0000000000000001

 6088 13:53:18.997617  # [   54.333821] RBP: 00007ff4b7492000 R08: 00007ff4b7491010 R09: 0000000000000000

 6089 13:53:19.004661  # [   54.341212] R<4>[   54.782682] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6090 13:53:19.011092  10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6091 13:53:19.017657  # [   54.348617] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6092 13:53:19.020973  # [   54.356017] irq event stamp: 0

 6093 13:53:19.034015  # [   54.359337] hardirqs last  enabled at (0): [<0000000000000000>] <4>[   54.811035] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6094 13:53:19.034134  0x0

 6095 13:53:19.041046  # [   54.365867] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6096 13:53:19.050892  # [   54.374299] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6097 13:53:19.074440  # [   54.382755] softirqs last disabled at (0): [<000000000<4>[   54.838689] Code: b8 d0 ed a6 c6 05 d5 ff 16 02 01 e8 f9 e5 c5 00 0f 0b e9 08 ca 04 01 48 c7 c7 88 d0 ed a6 c6 05 bc ff 16 02 01 e8 df e5 c5 00 <0f> 0b e9 ee c9 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6098 13:53:19.077477  0000000>] 0x0

 6099 13:53:19.080617  # [   54.389291] ---[ end trace e32a66cc720e816b ]---

 6100 13:53:19.083564  # [   54.394181] lkdtm: Zero detected: saturated

 6101 13:53:19.090439  # REFCOUNT_DEC_ZERO: saw 'call trace:': ok

 6102 13:53:19.094038  ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6103 13:53:19.097178  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6104 13:53:19.103718  <4>[   54.879877] RSP: 0018:ffffacf9c43b7e48 EFLAGS: 00010286

 6105 13:53:19.110591  <4>[   54.907535] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6106 13:53:19.116841  <4>[   54.914978] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 6107 13:53:19.123503  <4>[   54.922427] RBP: ffffffffa6f82453 R08: 0000000000000000 R09: 0000000000000000

 6108 13:53:19.133460  <4>[   54.929876] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6109 13:53:19.140264  <4>[   54.937324] R13: ffffacf9c43b7f10 R14: ffffacf9c43b7f10 R15: ffff89a1c299f000

 6110 13:53:19.146465  <4>[   54.944780] FS:  00007fa09f02a580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 6111 13:53:19.153435  <4>[   54.953216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6112 13:53:19.163180  <4>[   54.959311] CR2: 00007fa09ee2a000 CR3: 000000010266a000 CR4: 00000000001506e0

 6113 13:53:19.163265  <4>[   54.966798] Call Trace:

 6114 13:53:19.166292  <4>[   54.969607]  ? __warn+0x80/0x110

 6115 13:53:19.172855  <4>[   54.973185]  ? refcount_warn_saturate+0xfb/0x110

 6116 13:53:19.176418  <4>[   54.978190]  ? report_bug+0x9e/0xc0

 6117 13:53:19.179945  <4>[   54.982003]  ? handle_bug+0x41/0x90

 6118 13:53:19.186402  <4>[   54.985975]  ? exc_invalid_op+0x14/0x70

 6119 13:53:19.190003  <4>[   54.990160]  ? asm_exc_invalid_op+0x12/0x20

 6120 13:53:19.193154  <4>[   54.994678]  ? refcount_warn_saturate+0xfb/0x110

 6121 13:53:19.199978  <4>[   54.999674]  ? refcount_warn_saturate+0xfb/0x110

 6122 13:53:19.206252  <4>[   55.004638]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6123 13:53:19.209656  <4>[   55.009768]  direct_entry.cold+0x2c/0x38

 6124 13:53:19.212703  <4>[   55.014056]  full_proxy_write+0x56/0x80

 6125 13:53:19.216098  <4>[   55.018211]  vfs_write+0xea/0x3b0

 6126 13:53:19.219522  <4>[   55.021825]  ksys_write+0x68/0xf0

 6127 13:53:19.222816  <4>[   55.025450]  do_syscall_64+0x33/0x40

 6128 13:53:19.229376  <4>[   55.029288]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6129 13:53:19.233029  <4>[   55.034622] RIP: 0033:0x7fa09ef36473

 6130 13:53:19.252702  <4>[   55.038467] 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

 6131 13:53:19.259345  <4>[   55.057475] RSP: 002b:00007ffe993a05c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6132 13:53:19.269329  <4>[   55.065302] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa09ef36473

 6133 13:53:19.275983  <4>[   55.072711] RDX: 0000000000000016 RSI: 00007fa09ee2a000 RDI: 0000000000000001

 6134 13:53:19.282619  <4>[   55.080101] RBP: 00007fa09ee2a000 R08: 00007fa09ee29010 R09: 0000000000000000

 6135 13:53:19.288973  <4>[   55.087492] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6136 13:53:19.295835  <4>[   55.094882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6137 13:53:19.298946  <4>[   55.102306] irq event stamp: 0

 6138 13:53:19.305757  <4>[   55.105632] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6139 13:53:19.315967  <4>[   55.112170] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6140 13:53:19.325244  <4>[   55.120602] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6141 13:53:19.332208  <4>[   55.129034] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6142 13:53:19.335128  <4>[   55.135570] ---[ end trace e32a66cc720e816c ]---

 6143 13:53:19.338995  <6>[   55.140448] lkdtm: Negative detected: saturated

 6144 13:53:19.372747  # [   54.562718] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6145 13:53:19.379552  # [   54.576692] lkdtm: attempting bad refcount_dec() below zero

 6146 13:53:19.386338  # [   54.604725] ------------[ cut here ]------------

 6147 13:53:19.389707  # [   54.631797] refcount_t: decrement hit 0; leaking memory.

 6148 13:53:19.399765  # [   54.659588] WARNING: CPU: 1 PID: 2164 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6149 13:53:19.439644  # [   54.690491] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6150 13:53:19.445653  # [   54.752521] CPU: 1 PID: 2164 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6151 13:53:19.452359  # [   54.782682] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6152 13:53:19.458900  # [   54.811035] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6153 13:53:19.475478  # [   54.838689] Code: b8 d0 ed a6 c6 05 d5 ff 16 02 01 e8 f9 e5 c5 00 0f 0b e9 08 ca 04 01 48 c7 c7 88 d0 ed a6 c6 05 bc ff 16 02 01 e8 df e5 c5 00 <0f> 0b e9 ee c9 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6154 13:53:19.482347  # [   54.879877] RSP: 0018:ffffacf9c43b7e48 EFLAGS: 00010286

 6155 13:53:19.489020  # [   54.907535] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6156 13:53:19.495148  # [   54.914978] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 6157 13:53:19.505264  # [   54.922427] RBP: ffffffffa6f82453 R08: 0000000000000000 R09: 0000000000000000

 6158 13:53:19.511862  # [   54.929876] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6159 13:53:19.518093  # [   54.937324] R13: ffffacf9c43b7f10 R14: ffffacf9c43b7f10 R15: ffff89a1c299f000

 6160 13:53:19.528239  # [   54.944780] FS:  00007fa09f02a580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 6161 13:53:19.534756  # [   54.9<6>[   55.314554] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6162 13:53:19.541330  53216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6163 13:53:19.548137  # [   54.959311] CR2: 00007fa09ee2a000 CR3: 000000010266a000 CR4: 00000000001506e0

 6164 13:53:19.548225  # [   54.966798] Call Trace:

 6165 13:53:19.551242  # [   54.969607]  ? __warn+0x80/0x110

 6166 13:53:19.564361  # [   54.973185]  ? refcount_warn_saturate+0x<6>[   55.339754] lkdtm: attempting bad refcount_dec_and_test() below zero

 6167 13:53:19.564542  fb/0x110

 6168 13:53:19.567652  # [   54.978190]  ? report_bug+0x9e/0xc0

 6169 13:53:19.571465  # [   54.982003]  ? handle_bug+0x41/0x90

 6170 13:53:19.574444  # [   54.985975]  ? exc_invalid_op+0x14/0x70

 6171 13:53:19.581079  # [   54.990160]  ? asm_exc_invalid_op+0x12/0x20

 6172 13:53:19.584091  # [   54.994678]  ? refcount_warn_saturate+0xfb/0x110

 6173 13:53:19.590790  # [   54.99<4>[   55.368560] ------------[ cut here ]------------

 6174 13:53:19.594248  9674]  ? refcount_warn_saturate+0xfb/0x110

 6175 13:53:19.597437  # [   55.004638]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6176 13:53:19.604330  # [   55.009768]  direct_entry.cold+0x2c/0x38

 6177 13:53:19.607434  # [   55.014056]  full_proxy_write+0x56/0x80

 6178 13:53:19.611231  # [   55.018211]  vfs_write+0xea/0x3b0

 6179 13:53:19.617702  # [   55.021825]  ksys<4>[   55.395649] refcount_t: underflow; use-after-free.

 6180 13:53:19.620618  _write+0x68/0xf0

 6181 13:53:19.624212  # [   55.025450]  do_syscall_64+0x33/0x40

 6182 13:53:19.627446  # [   55.029288]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6183 13:53:19.630762  # [   55.034622] RIP: 0033:0x7fa09ef36473

 6184 13:53:19.647406  # [   55.038467] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 <4>[   55.422915] WARNING: CPU: 1 PID: 2200 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6185 13:53:19.660573  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

 6186 13:53:19.667006  # [   55.057475] RSP: 002b:00007ffe993a05c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6187 13:53:19.710254  # [   55.065302] RAX: ffffffffffffffda RB<4>[   55.453804] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6188 13:53:19.713661  X: 0000000000000016 RCX: 00007fa09ef36473

 6189 13:53:19.723096  # [   55.072711] RDX: 0000000000000016 RSI: 00007fa09ee2a000 RDI: 0000000000000001

 6190 13:53:19.729819  # [   55.080101] RBP: 00007fa09ee2a000 R08: 00007fa09ee29010 R09: 0000000000000000

 6191 13:53:19.739936  # [   55.087492] R10: fffffffffffffbc5 R11: 0<4>[   55.515857] CPU: 1 PID: 2200 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6192 13:53:19.743100  000000000000246 R12: 0000000000000001

 6193 13:53:19.752840  # [   55.094882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6194 13:53:19.756405  # [   55.102306] irq event stamp: 0

 6195 13:53:19.762821  # [   55.105632] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6196 13:53:19.769936  # [   55.112170] hardi<4>[   55.546013] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6197 13:53:19.776210  rqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6198 13:53:19.783218  # [   55.120602] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6199 13:53:19.789721  # [   55.129034] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6200 13:53:19.796424  # [   55.135<4>[   55.574391] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6201 13:53:19.799729  570] ---[ end trace e32a66cc720e816c ]---

 6202 13:53:19.806045  # [   55.140448] lkdtm: Negative detected: saturated

 6203 13:53:19.813184  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 6204 13:53:19.816101  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6205 13:53:19.839080  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NE<4>[   55.601989] Code: 02 01 e8 43 e6 c5 00 0f 0b e9 52 ca 04 01 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed a6 c6 05 fe ff 16 02 01 e8 20 e6 c5 00 <0f> 0b e9 2f ca 04 01 80 3d e9 ff 16 02 00 0f 85 5e ff ff ff 48 c7

 6206 13:53:19.839654  GATIVE.sh

 6207 13:53:19.846290  <4>[   55.643180] RSP: 0018:ffffacf9c443fe40 EFLAGS: 00010286

 6208 13:53:19.852255  <4>[   55.649612] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6209 13:53:19.859258  <4>[   55.657064] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 6210 13:53:19.865829  <4>[   55.664503] RBP: ffffffffa6f820a8 R08: 0000000000000000 R09: 0000000000000000

 6211 13:53:19.875555  <4>[   55.671951] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6212 13:53:19.882156  <4>[   55.679419] R13: ffffacf9c443ff10 R14: ffffacf9c443ff10 R15: ffff89a1c3dda000

 6213 13:53:19.892019  <4>[   55.686901] FS:  00007f9bad823580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 6214 13:53:19.895602  <4>[   55.695341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6215 13:53:19.905218  <4>[   55.701442] CR2: 00007f9bad5f2000 CR3: 0000000102790000 CR4: 00000000001506e0

 6216 13:53:19.905825  <4>[   55.708923] Call Trace:

 6217 13:53:19.912402  <4>[   55.711728]  ? __warn+0x80/0x110

 6218 13:53:19.915348  <4>[   55.715325]  ? refcount_warn_saturate+0xba/0x110

 6219 13:53:19.918452  <4>[   55.720282]  ? report_bug+0x9e/0xc0

 6220 13:53:19.921883  <4>[   55.724127]  ? handle_bug+0x41/0x90

 6221 13:53:19.929087  <4>[   55.727997]  ? exc_invalid_op+0x14/0x70

 6222 13:53:19.932017  <4>[   55.732199]  ? asm_exc_invalid_op+0x12/0x20

 6223 13:53:19.938916  <4>[   55.736799]  ? refcount_warn_saturate+0xba/0x110

 6224 13:53:19.942120  <4>[   55.741726]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6225 13:53:19.948611  <4>[   55.747561]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6226 13:53:19.951958  <4>[   55.753562]  direct_entry.cold+0x2c/0x38

 6227 13:53:19.958531  <4>[   55.757777]  full_proxy_write+0x56/0x80

 6228 13:53:19.961734  <4>[   55.761879]  vfs_write+0xea/0x3b0

 6229 13:53:19.965252  <4>[   55.765455]  ksys_write+0x68/0xf0

 6230 13:53:19.968876  <4>[   55.769033]  do_syscall_64+0x33/0x40

 6231 13:53:19.975267  <4>[   55.772955]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6232 13:53:19.978759  <4>[   55.778279] RIP: 0033:0x7f9bad6fe473

 6233 13:53:19.995157  <4>[   55.782115] 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

 6234 13:53:20.005148  <4>[   55.801118] RSP: 002b:00007ffc761957b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6235 13:53:20.011521  <4>[   55.808965] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f9bad6fe473

 6236 13:53:20.018117  <4>[   55.816359] RDX: 000000000000001f RSI: 00007f9bad5f2000 RDI: 0000000000000001

 6237 13:53:20.028279  <4>[   55.823751] RBP: 00007f9bad5f2000 R08: 00007f9bad5f1010 R09: 0000000000000000

 6238 13:53:20.035042  <4>[   55.831141] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6239 13:53:20.041574  <4>[   55.838549] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6240 13:53:20.044654  <4>[   55.845949] irq event stamp: 0

 6241 13:53:20.051367  <4>[   55.849268] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6242 13:53:20.060999  <4>[   55.855797] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6243 13:53:20.067913  <4>[   55.864231] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6244 13:53:20.074601  <4>[   55.872690] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6245 13:53:20.081117  <4>[   55.879222] ---[ end trace e32a66cc720e816d ]---

 6246 13:53:20.084511  <6>[   55.884115] lkdtm: Negative detected: saturated

 6247 13:53:20.126041  # [   55.314554] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6248 13:53:20.132699  # [   55.339754] lkdtm: attempting bad refcount_dec_and_test() below zero

 6249 13:53:20.135840  # [   55.368560] ------------[ cut here ]------------

 6250 13:53:20.142850  # [   55.395649] refcount_t: underflow; use-after-free.

 6251 13:53:20.149041  # [   55.422915] WARNING: CPU: 1 PID: 2200 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6252 13:53:20.188756  # [   55.453804] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6253 13:53:20.198625  # [   55.515857] CPU: 1 PID: 2200 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6254 13:53:20.202369  # [   55.546013] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6255 13:53:20.208921  # [   55.574391] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6256 13:53:20.228245  # [   55.601989] Code: 02 01 e8 43 e6 c5 00 0f 0b e9 52 ca 04 01 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed a6 c6 05 fe ff 16 02 01 e8 20 e6 c5 00 <0f> 0b e9 2f ca 04 01 80 3d e9 ff 16 02 00 0f 85 5e ff ff ff 48 c7

 6257 13:53:20.231410  # [   55.643180] RSP: 0018:ffffacf9c443fe40 EFLAGS: 00010286

 6258 13:53:20.238238  # [   55.649612] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6259 13:53:20.248334  # [   55.657064] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 6260 13:53:20.254904  # [   55.664503] RBP: ffffffffa6f820a8 R08: 0000000000000000 R09: 0000000000000000

 6261 13:53:20.261526  # [   55.671951] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6262 13:53:20.268165  # [   55.679419] R13: ffffacf9c443ff10 R14: ffffacf9c443ff10 R15: ffff89a1c3dda000

 6263 13:53:20.281325  # [   55.686901] FS:  00007f9bad823580(0000)<6>[   56.066524] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6264 13:53:20.284520   GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 6265 13:53:20.290786  # [   55.695341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6266 13:53:20.297912  # [   55.701442] CR2: 00007f9bad5f2000 CR3: 0000000102790000 CR4: 00000000001506e0

 6267 13:53:20.300983  # [   55.708923] Call Trace:

 6268 13:53:20.307444  # [   55.711728]  ? __w<6>[   56.084824] lkdtm: attempting bad refcount_sub_and_test() below zero

 6269 13:53:20.310843  arn+0x80/0x110

 6270 13:53:20.314367  # [   55.715325]  ? refcount_warn_saturate+0xba/0x110

 6271 13:53:20.317525  # [   55.720282]  ? report_bug+0x9e/0xc0

 6272 13:53:20.320574  # [   55.724127]  ? handle_bug+0x41/0x90

 6273 13:53:20.327110  # [   55.727997]  ? exc_invalid_op+0x14/0x70

 6274 13:53:20.330705  # [   55.732199]  ? asm_exc_invalid_op+0x12/0x20

 6275 13:53:20.337287  # [  <4>[   56.113638] ------------[ cut here ]------------

 6276 13:53:20.340186   55.736799]  ? refcount_warn_saturate+0xba/0x110

 6277 13:53:20.347061  # [   55.741726]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6278 13:53:20.350385  # [   55.747561]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6279 13:53:20.357008  # [   55.753562]  direct_entry.cold+0x2c/0x38

 6280 13:53:20.363417  # [   55.757777]  full_proxy<4>[   56.140714] refcount_t: underflow; use-after-free.

 6281 13:53:20.363528  _write+0x56/0x80

 6282 13:53:20.366861  # [   55.761879]  vfs_write+0xea/0x3b0

 6283 13:53:20.370371  # [   55.765455]  ksys_write+0x68/0xf0

 6284 13:53:20.373500  # [   55.769033]  do_syscall_64+0x33/0x40

 6285 13:53:20.379992  # [   55.772955]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6286 13:53:20.383116  # [   55.778279] RIP: 0033:0x7f9bad6fe473

 6287 13:53:20.393449  # [   55.782<4>[   56.167978] WARNING: CPU: 1 PID: 2236 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6288 13:53:20.413126  115] 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

 6289 13:53:20.455742  # [   55.801118] RSP: 002b:00007ffc761957b8 EFLAGS<4>[   56.198883] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6290 13:53:20.459441  : 00000246 ORIG_RAX: 0000000000000001

 6291 13:53:20.465836  # [   55.808965] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f9bad6fe473

 6292 13:53:20.472212  # [   55.816359] RDX: 000000000000001f RSI: 00007f9bad5f2000 RDI: 0000000000000001

 6293 13:53:20.485489  # [   55.823751] RBP: 00007f9bad5f2000 R08: 00007<4>[   56.260932] CPU: 1 PID: 2236 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6294 13:53:20.488866  f9bad5f1010 R09: 0000000000000000

 6295 13:53:20.495651  # [   55.831141] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6296 13:53:20.502090  # [   55.838549] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6297 13:53:20.505778  # [   55.845949] irq event stamp: 0

 6298 13:53:20.515413  # [   55.849268]<4>[   56.291049] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6299 13:53:20.518816   hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6300 13:53:20.528779  # [   55.855797] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6301 13:53:20.535174  # [   55.864231] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6302 13:53:20.542579  # [   <4>[   56.319398] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6303 13:53:20.548311  55.872690] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6304 13:53:20.552010  # [   55.879222] ---[ end trace e32a66cc720e816d ]---

 6305 13:53:20.558218  # [   55.884115] lkdtm: Negative detected: saturated

 6306 13:53:20.564994  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6307 13:53:20.581639  ok 48<4>[   56.347063] Code: 02 01 e8 43 e6 c5 00 0f 0b e9 52 ca 04 01 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed a6 c6 05 fe ff 16 02 01 e8 20 e6 c5 00 <0f> 0b e9 2f ca 04 01 80 3d e9 ff 16 02 00 0f 85 5e ff ff ff 48 c7

 6308 13:53:20.588320   selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6309 13:53:20.591412  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6310 13:53:20.598203  <4>[   56.388258] RSP: 0018:ffffacf9c44b7e40 EFLAGS: 00010286

 6311 13:53:20.604581  <4>[   56.403189] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6312 13:53:20.614640  <4>[   56.410641] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 6313 13:53:20.621034  <4>[   56.418129] RBP: ffffffffa6f820c8 R08: 0000000000000000 R09: 0000000000000000

 6314 13:53:20.628046  <4>[   56.425593] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6315 13:53:20.634377  <4>[   56.433042] R13: ffffacf9c44b7f10 R14: ffffacf9c44b7f10 R15: ffff89a1c3a31000

 6316 13:53:20.644384  <4>[   56.440521] FS:  00007f34388f93c0(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 6317 13:53:20.650945  <4>[   56.448955] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6318 13:53:20.657839  <4>[   56.455055] CR2: 00007f34386ca000 CR3: 000000010571a000 CR4: 00000000001506e0

 6319 13:53:20.661017  <4>[   56.462535] Call Trace:

 6320 13:53:20.677151  <4>[   56.465346]  ? __warn+0x80/0x110

 6321 13:53:20.677371  <4>[   56.468954]  ? refcount_warn_saturate+0xba/0x110

 6322 13:53:20.677476  <4>[   56.473956]  ? report_bug+0x9e/0xc0

 6323 13:53:20.677770  <4>[   56.477807]  ? handle_bug+0x41/0x90

 6324 13:53:20.681141  <4>[   56.481637]  ? exc_invalid_op+0x14/0x70

 6325 13:53:20.684344  <4>[   56.485762]  ? asm_exc_invalid_op+0x12/0x20

 6326 13:53:20.690922  <4>[   56.490274]  ? refcount_warn_saturate+0xba/0x110

 6327 13:53:20.694616  <4>[   56.495185]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6328 13:53:20.700759  <4>[   56.501027]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6329 13:53:20.710430  <4>[   56.507002]  direct_entry.cold+0x2c/0x38

 6330 13:53:20.711278  <4>[   56.511232]  full_proxy_write+0x56/0x80

 6331 13:53:20.714625  <4>[   56.515400]  vfs_write+0xea/0x3b0

 6332 13:53:20.717764  <4>[   56.519007]  ksys_write+0x68/0xf0

 6333 13:53:20.720978  <4>[   56.522587]  do_syscall_64+0x33/0x40

 6334 13:53:20.727614  <4>[   56.526425]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6335 13:53:20.731082  <4>[   56.531738] RIP: 0033:0x7f34387d6473

 6336 13:53:20.750861  <4>[   56.535575] 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

 6337 13:53:20.757310  <4>[   56.554629] RSP: 002b:00007ffc080b8298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6338 13:53:20.764474  <4>[   56.562469] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f34387d6473

 6339 13:53:20.773768  <4>[   56.569885] RDX: 000000000000001f RSI: 00007f34386ca000 RDI: 0000000000000001

 6340 13:53:20.780704  <4>[   56.577345] RBP: 00007f34386ca000 R08: 00007f34386c9010 R09: 0000000000000000

 6341 13:53:20.787303  <4>[   56.584754] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6342 13:53:20.793814  <4>[   56.592153] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6343 13:53:20.796989  <4>[   56.599558] irq event stamp: 0

 6344 13:53:20.803745  <4>[   56.602877] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6345 13:53:20.813851  <4>[   56.609405] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6346 13:53:20.820157  <4>[   56.617849] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6347 13:53:20.827055  <4>[   56.626281] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6348 13:53:20.833723  <4>[   56.632805] ---[ end trace e32a66cc720e816e ]---

 6349 13:53:20.836666  <6>[   56.637683] lkdtm: Negative detected: saturated

 6350 13:53:20.875850  # [   56.066524] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6351 13:53:20.882753  # [   56.084824] lkdtm: attempting bad refcount_sub_and_test() below zero

 6352 13:53:20.885794  # [   56.113638] ------------[ cut here ]------------

 6353 13:53:20.889287  # [   56.140714] refcount_t: underflow; use-after-free.

 6354 13:53:20.899146  # [   56.167978] WARNING: CPU: 1 PID: 2236 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6355 13:53:20.938879  # [   56.198883] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6356 13:53:20.945590  # [   56.260932] CPU: 1 PID: 2236 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6357 13:53:20.951892  # [   56.291049] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6358 13:53:20.958601  # [   56.319398] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6359 13:53:20.978213  # [   56.347063] Code: 02 01 e8 43 e6 c5 00 0f 0b e9 52 ca 04 01 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed a6 c6 05 fe ff 16 02 01 e8 20 e6 c5 00 <0f> 0b e9 2f ca 04 01 80 3d e9 ff 16 02 00 0f 85 5e ff ff ff 48 c7

 6360 13:53:20.981527  # [   56.388258] RSP: 0018:ffffacf9c44b7e40 EFLAGS: 00010286

 6361 13:53:20.988602  # [   56.403189] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6362 13:53:20.998451  # [   56.410641] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 6363 13:53:21.004780  # [   56.418129] RBP: ffffffffa6f820c8 R08: 0000000000000000 R09: 0000000000000000

 6364 13:53:21.011496  # [   56.425593] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6365 13:53:21.018459  # [   56.433042] R13: ffffacf9c44b7f10 R14: ffffacf9c44b7f10 R15: ffff89a1c3a31000

 6366 13:53:21.031592  # [   56.440521] FS:  00007f34388f93c0(0000) GS:ffff89a1ead00000(0000) knlGS:000000000000000<6>[   56.810461] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6367 13:53:21.034751  0

 6368 13:53:21.037844  # [   56.448955] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6369 13:53:21.048065  # [   56.455055] CR2: 00007f34386ca000 CR3: 000000010571a000 CR4: 00000000001506e0

 6370 13:53:21.048162  # [   56.462535] Call Trace:

 6371 13:53:21.051145  # [   56.465346]  ? __warn+0x80/0x110

 6372 13:53:21.061673  # [   56.468954]  ? refcount_war<6>[   56.838065] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6373 13:53:21.064810  n_saturate+0xba/0x110

 6374 13:53:21.067938  # [   56.473956]  ? report_bug+0x9e/0xc0

 6375 13:53:21.071116  # [   56.477807]  ? handle_bug+0x41/0x90

 6376 13:53:21.074387  # [   56.481637]  ? exc_invalid_op+0x14/0x70

 6377 13:53:21.077768  # [   56.485762]  ? asm_exc_invalid_op+0x12/0x20

 6378 13:53:21.087582  # [   56.490274]  ? refcount_warn_saturate+0xba/0x110<6>[   56.866897] lkdtm: Good: zero detected

 6379 13:53:21.087673  

 6380 13:53:21.094406  # [   56.495185]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6381 13:53:21.100825  # [   56.501027]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6382 13:53:21.103992  # [   56.507002]  direct_entry.cold+0x2c/0x38

 6383 13:53:21.107436  # [   56.511232]  full_proxy_write+0x56/0x80

 6384 13:53:21.113972  # [   56.515400]  vfs_write+0x<6>[   56.893096] lkdtm: Correctly stayed at zero

 6385 13:53:21.114062  ea/0x3b0

 6386 13:53:21.117352  # [   56.519007]  ksys_write+0x68/0xf0

 6387 13:53:21.123974  # [   56.522587]  do_syscall_64+0x33/0x40

 6388 13:53:21.127168  # [   56.526425]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6389 13:53:21.130866  # [   56.531738] RIP: 0033:0x7f34387d6473

 6390 13:53:21.144065  # [   56.535575] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c<6>[   56.919720] lkdtm: attempting bad refcount_inc() from zero

 6391 13:53:21.157104  7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6392 13:53:21.163938  # [   56.554629] RSP: 002b:00007ffc080b8298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6393 13:53:21.170169  # [   56.<4>[   56.947642] ------------[ cut here ]------------

 6394 13:53:21.177095  562469] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f34387d6473

 6395 13:53:21.183980  # [   56.569885] RDX: 000000000000001f RSI: 00007f34386ca000 RDI: 0000000000000001

 6396 13:53:21.190137  # [   56.577345] RBP: 00007f34386ca000 R08: 00007f34386c9010 R09: 0000000000000000

 6397 13:53:21.196921  # [   56.5847<4>[   56.974717] refcount_t: addition on 0; use-after-free.

 6398 13:53:21.203036  54] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6399 13:53:21.209683  # [   56.592153] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6400 13:53:21.213236  # [   56.599558] irq event stamp: 0

 6401 13:53:21.229532  # [   56.602877] hardirqs last  enabled at (0): [<00000000000000<4>[   57.002335] WARNING: CPU: 0 PID: 2269 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6402 13:53:21.229618  00>] 0x0

 6403 13:53:21.236026  # [   56.609405] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6404 13:53:21.245920  # [   56.617849] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6405 13:53:21.289043  # [   56.626281] softirqs last disabled at (0): [<0000<4>[   57.033159] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6406 13:53:21.291984  000000000000>] 0x0

 6407 13:53:21.295926  # [   56.632805] ---[ end trace e32a66cc720e816e ]---

 6408 13:53:21.302529  # [   56.637683] lkdtm: Negative detected: saturated

 6409 13:53:21.308468  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6410 13:53:21.321827  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIV<4>[   57.095246] CPU: 0 PID: 2269 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6411 13:53:21.321954  E.sh

 6412 13:53:21.325389  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6413 13:53:21.331728  <4>[   57.125417] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6414 13:53:21.335234  <4>[   57.135721] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6415 13:53:21.354853  <4>[   57.141205] Code: 02 01 e8 89 e6 c5 00 0f 0b e9 98 ca 04 01 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed a6 c6 05 45 00 17 02 01 e8 66 e6 c5 00 <0f> 0b e9 75 ca 04 01 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed

 6416 13:53:21.361337  <4>[   57.160209] RSP: 0018:ffffacf9c454fe48 EFLAGS: 00010286

 6417 13:53:21.368239  <4>[   57.165696] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6418 13:53:21.374656  <4>[   57.173087] RDX: ffff89a1eac2c620 RSI: ffff89a1eac1bf50 RDI: ffff89a1eac1bf50

 6419 13:53:21.381389  <4>[   57.180479] RBP: ffffffffa6f82469 R08: 0000000000000000 R09: 0000000000000000

 6420 13:53:21.391292  <4>[   57.187869] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6421 13:53:21.398027  <4>[   57.195258] R13: ffffacf9c454ff10 R14: ffffacf9c454ff10 R15: ffff89a1c28f1000

 6422 13:53:21.404305  <4>[   57.202649] FS:  00007fc5f8853580(0000) GS:ffff89a1eac00000(0000) knlGS:0000000000000000

 6423 13:53:21.410957  <4>[   57.210991] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6424 13:53:21.417480  <4>[   57.216994] CR2: 00007fc5f8622000 CR3: 000000010345e000 CR4: 00000000001506f0

 6425 13:53:21.420989  <4>[   57.224383] Call Trace:

 6426 13:53:21.424619  <4>[   57.227104]  ? __warn+0x80/0x110

 6427 13:53:21.430890  <4>[   57.230597]  ? refcount_warn_saturate+0x74/0x110

 6428 13:53:21.434157  <4>[   57.235479]  ? report_bug+0x9e/0xc0

 6429 13:53:21.437900  <4>[   57.239237]  ? handle_bug+0x41/0x90

 6430 13:53:21.441208  <4>[   57.242990]  ? exc_invalid_op+0x14/0x70

 6431 13:53:21.447292  <4>[   57.247091]  ? asm_exc_invalid_op+0x12/0x20

 6432 13:53:21.450485  <4>[   57.251544]  ? refcount_warn_saturate+0x74/0x110

 6433 13:53:21.457283  <4>[   57.256426]  ? refcount_warn_saturate+0x74/0x110

 6434 13:53:21.461018  <4>[   57.261310]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6435 13:53:21.463709  <4>[   57.266019]  direct_entry.cold+0x2c/0x38

 6436 13:53:21.470483  <4>[   57.270208]  full_proxy_write+0x56/0x80

 6437 13:53:21.474182  <4>[   57.274311]  vfs_write+0xea/0x3b0

 6438 13:53:21.477323  <4>[   57.277892]  ksys_write+0x68/0xf0

 6439 13:53:21.480327  <4>[   57.281474]  do_syscall_64+0x33/0x40

 6440 13:53:21.487184  <4>[   57.285314]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6441 13:53:21.490472  <4>[   57.290628] RIP: 0033:0x7fc5f872e473

 6442 13:53:21.506730  <4>[   57.294469] 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

 6443 13:53:21.516801  <4>[   57.313473] RSP: 002b:00007ffc04ec8a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6444 13:53:21.523286  <4>[   57.321300] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc5f872e473

 6445 13:53:21.529991  <4>[   57.328691] RDX: 0000000000000012 RSI: 00007fc5f8622000 RDI: 0000000000000001

 6446 13:53:21.539790  <4>[   57.336083] RBP: 00007fc5f8622000 R08: 00007fc5f8621010 R09: 0000000000000000

 6447 13:53:21.546657  <4>[   57.343474] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6448 13:53:21.553105  <4>[   57.350866] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6449 13:53:21.556337  <4>[   57.358265] irq event stamp: 0

 6450 13:53:21.563114  <4>[   57.361583] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6451 13:53:21.573416  <4>[   57.368110] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6452 13:53:21.579486  <4>[   57.376544] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6453 13:53:21.585931  <4>[   57.384976] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6454 13:53:21.592861  <4>[   57.391501] ---[ end trace e32a66cc720e816f ]---

 6455 13:53:21.595844  <6>[   57.396381] lkdtm: Zero detected: saturated

 6456 13:53:21.630131  # [   56.810461] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6457 13:53:21.636551  # [   56.838065] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6458 13:53:21.639934  # [   56.866897] lkdtm: Good: zero detected

 6459 13:53:21.646909  # [   56.893096] lkdtm: Correctly stayed at zero

 6460 13:53:21.650035  # [   56.919720] lkdtm: attempting bad refcount_inc() from zero

 6461 13:53:21.656836  # [   56.947642] ------------[ cut here ]------------

 6462 13:53:21.659923  # [   56.974717] refcount_t: addition on 0; use-after-free.

 6463 13:53:21.669806  # [   57.002335] WARNING: CPU: 0 PID: 2269 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6464 13:53:21.709668  # [   57.033159] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6465 13:53:21.716405  # [   57.095246] CPU: 0 PID: 2269 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6466 13:53:21.722645  # [   57.125417] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6467 13:53:21.729567  # [   57.135721] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6468 13:53:21.749064  # [   57.141205] Code: 02 01 e8 89 e6 c5 00 0f 0b e9 98 ca 04 01 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed a6 c6 05 45 00 17 02 01 e8 66 e6 c5 00 <0f> 0b e9 75 ca 04 01 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed

 6469 13:53:21.752827  # [   57.160209] RSP: 0018:ffffacf9c454fe48 EFLAGS: 00010286

 6470 13:53:21.759123  # [   57.165696] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6471 13:53:21.769067  # [   57.173087] RDX: ffff89a1eac2c620 RSI: ffff89a1eac1bf50 RDI: ffff89a1eac1bf50

 6472 13:53:21.775491  # [   57.180479] RBP: ffffffffa6f82469 R08: 0000000000000000 R09: 0000000000000000

 6473 13:53:21.782440  # [   57.187869] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6474 13:53:21.792049  # [   57.195258] R13: f<6>[   57.569223] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6475 13:53:21.795468  fffacf9c454ff10 R14: ffffacf9c454ff10 R15: ffff89a1c28f1000

 6476 13:53:21.805602  # [   57.202649] FS:  00007fc5f8853580(0000) GS:ffff89a1eac00000(0000) knlGS:0000000000000000

 6477 13:53:21.808772  # [   57.210991] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6478 13:53:21.818762  # [   57.216994] CR2: 00007fc5f8<6>[   57.595618] lkdtm: attempting safe refcount_add_not_zero() from zero

 6479 13:53:21.825085  622000 CR3: 000000010345e000 CR4: 00000000001506f0

 6480 13:53:21.825168  # [   57.224383] Call Trace:

 6481 13:53:21.828764  # [   57.227104]  ? __warn+0x80/0x110

 6482 13:53:21.834882  # [   57.230597]  ? refcount_warn_saturate+0x74/0x110

 6483 13:53:21.838486  # [   57.235479]  ? report_bug+0x9e/0xc0

 6484 13:53:21.845027  # [   57.239237]  ? handle_bug+0x41/0x<6>[   57.624426] lkdtm: Good: zero detected

 6485 13:53:21.845110  90

 6486 13:53:21.848422  # [   57.242990]  ? exc_invalid_op+0x14/0x70

 6487 13:53:21.854805  # [   57.247091]  ? asm_exc_invalid_op+0x12/0x20

 6488 13:53:21.858143  # [   57.251544]  ? refcount_warn_saturate+0x74/0x110

 6489 13:53:21.864812  # [   57.256426]  ? refcount_warn_saturate+0x74/0x110

 6490 13:53:21.871864  # [   57.261310]  lkdtm_REFCOUNT_INC_ZERO+0x99<6>[   57.650641] lkdtm: Correctly stayed at zero

 6491 13:53:21.871943  /0xc1

 6492 13:53:21.878268  # [   57.266019]  direct_entry.cold+0x2c/0x38

 6493 13:53:21.881632  # [   57.270208]  full_proxy_write+0x56/0x80

 6494 13:53:21.884542  # [   57.274311]  vfs_write+0xea/0x3b0

 6495 13:53:21.887979  # [   57.277892]  ksys_write+0x68/0xf0

 6496 13:53:21.891056  # [   57.281474]  do_syscall_64+0x33/0x40

 6497 13:53:21.901423  # [   57.285314]  entry_SYSCALL_6<6>[   57.677247] lkdtm: attempting bad refcount_add() from zero

 6498 13:53:21.901504  4_after_hwframe+0x62/0xc7

 6499 13:53:21.907694  # [   57.290628] RIP: 0033:0x7fc5f872e473

 6500 13:53:21.927403  # [   57.294469] 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<4>[   57.705229] ------------[ cut here ]------------

 6501 13:53:21.931280   00 48 83 ec 28 48 89 54 24 18

 6502 13:53:21.937358  # [   57.313473] RSP: 002b:00007ffc04ec8a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6503 13:53:21.944097  # [   57.321300] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc5f872e473

 6504 13:53:21.953813  # [   57.328691] RDX: 0000000000000012 RSI: 00007fc<4>[   57.732284] refcount_t: addition on 0; use-after-free.

 6505 13:53:21.957088  5f8622000 RDI: 0000000000000001

 6506 13:53:21.963595  # [   57.336083] RBP: 00007fc5f8622000 R08: 00007fc5f8621010 R09: 0000000000000000

 6507 13:53:21.974002  # [   57.343474] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6508 13:53:21.986731  # [   57.350866] R13: 0000000000000001 R14: 00000000000<4>[   57.759883] WARNING: CPU: 1 PID: 2302 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6509 13:53:21.986815  20000 R15: 0000000000020000

 6510 13:53:21.990438  # [   57.358265] irq event stamp: 0

 6511 13:53:21.996630  # [   57.361583] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6512 13:53:22.006495  # [   57.368110] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6513 13:53:22.046478  # [   57.376544] sof<4>[   57.790718] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6514 13:53:22.053183  tirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6515 13:53:22.059853  # [   57.384976] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6516 13:53:22.066112  # [   57.391501] ---[ end trace e32a66cc720e816f ]---

 6517 13:53:22.069392  # [   57.396381] lkdtm: Zero detected: saturated

 6518 13:53:22.079686  #<4>[   57.852735] CPU: 1 PID: 2302 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6519 13:53:22.082829   REFCOUNT_INC_ZERO: saw 'call trace:': ok

 6520 13:53:22.085757  ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6521 13:53:22.089575  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6522 13:53:22.096216  <4>[   57.882911] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6523 13:53:22.099083  <4>[   57.900430] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6524 13:53:22.119216  <4>[   57.905938] Code: 02 01 e8 89 e6 c5 00 0f 0b e9 98 ca 04 01 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed a6 c6 05 45 00 17 02 01 e8 66 e6 c5 00 <0f> 0b e9 75 ca 04 01 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed

 6525 13:53:22.125995  <4>[   57.924959] RSP: 0018:ffffacf9c45c7e48 EFLAGS: 00010286

 6526 13:53:22.132358  <4>[   57.930469] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6527 13:53:22.139114  <4>[   57.937878] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 6528 13:53:22.149145  <4>[   57.945284] RBP: ffffffffa6f8247b R08: 0000000000000000 R09: 0000000000000000

 6529 13:53:22.155843  <4>[   57.952689] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6530 13:53:22.162313  <4>[   57.960108] R13: ffffacf9c45c7f10 R14: ffffacf9c45c7f10 R15: ffff89a1c3f76000

 6531 13:53:22.169126  <4>[   57.967512] FS:  00007f974d6b2580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 6532 13:53:22.175803  <4>[   57.975899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6533 13:53:22.185560  <4>[   57.981921] CR2: 00007f974d4b2000 CR3: 00000001056a0000 CR4: 00000000001506e0

 6534 13:53:22.185673  <4>[   57.989336] Call Trace:

 6535 13:53:22.189178  <4>[   57.992069]  ? __warn+0x80/0x110

 6536 13:53:22.195930  <4>[   57.995584]  ? refcount_warn_saturate+0x74/0x110

 6537 13:53:22.198929  <4>[   58.000484]  ? report_bug+0x9e/0xc0

 6538 13:53:22.202514  <4>[   58.004260]  ? handle_bug+0x41/0x90

 6539 13:53:22.205907  <4>[   58.008029]  ? exc_invalid_op+0x14/0x70

 6540 13:53:22.212569  <4>[   58.012157]  ? asm_exc_invalid_op+0x12/0x20

 6541 13:53:22.215605  <4>[   58.016628]  ? refcount_warn_saturate+0x74/0x110

 6542 13:53:22.222392  <4>[   58.021550]  ? refcount_warn_saturate+0x74/0x110

 6543 13:53:22.225725  <4>[   58.026448]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 6544 13:53:22.228719  <4>[   58.031240]  direct_entry.cold+0x2c/0x38

 6545 13:53:22.235362  <4>[   58.035513]  full_proxy_write+0x56/0x80

 6546 13:53:22.239039  <4>[   58.039689]  vfs_write+0xea/0x3b0

 6547 13:53:22.241959  <4>[   58.043349]  ksys_write+0x68/0xf0

 6548 13:53:22.245173  <4>[   58.047051]  do_syscall_64+0x33/0x40

 6549 13:53:22.251978  <4>[   58.050991]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6550 13:53:22.255216  <4>[   58.056412] RIP: 0033:0x7f974d5be473

 6551 13:53:22.275249  <4>[   58.060374] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6552 13:53:22.282158  <4>[   58.079474] RSP: 002b:00007ffe78686a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6553 13:53:22.288770  <4>[   58.087363] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f974d5be473

 6554 13:53:22.298337  <4>[   58.094880] RDX: 0000000000000012 RSI: 00007f974d4b2000 RDI: 0000000000000001

 6555 13:53:22.304889  <4>[   58.102308] RBP: 00007f974d4b2000 R08: 00007f974d4b1010 R09: 0000000000000000

 6556 13:53:22.311515  <4>[   58.109719] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6557 13:53:22.318333  <4>[   58.117192] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6558 13:53:22.321639  <4>[   58.124642] irq event stamp: 0

 6559 13:53:22.328457  <4>[   58.127995] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6560 13:53:22.338360  <4>[   58.134531] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6561 13:53:22.344770  <4>[   58.142976] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6562 13:53:22.351475  <4>[   58.151404] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6563 13:53:22.358403  <4>[   58.157924] ---[ end trace e32a66cc720e8170 ]---

 6564 13:53:22.361559  <6>[   58.162798] lkdtm: Zero detected: saturated

 6565 13:53:22.400822  # [   57.569223] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6566 13:53:22.407406  # [   57.595618] lkdtm: attempting safe refcount_add_not_zero() from zero

 6567 13:53:22.410801  # [   57.624426] lkdtm: Good: zero detected

 6568 13:53:22.417250  # [   57.650641] lkdtm: Correctly stayed at zero

 6569 13:53:22.420539  # [   57.677247] lkdtm: attempting bad refcount_add() from zero

 6570 13:53:22.427382  # [   57.705229] ------------[ cut here ]------------

 6571 13:53:22.433620  # [   57.732284] refcount_t: addition on 0; use-after-free.

 6572 13:53:22.440778  # [   57.759883] WARNING: CPU: 1 PID: 2302 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6573 13:53:22.480412  # [   57.790718] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6574 13:53:22.489948  # [   57.852735] CPU: 1 PID: 2302 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6575 13:53:22.493408  # [   57.882911] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6576 13:53:22.499965  # [   57.900430] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6577 13:53:22.519761  # [   57.905938] Code: 02 01 e8 89 e6 c5 00 0f 0b e9 98 ca 04 01 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed a6 c6 05 45 00 17 02 01 e8 66 e6 c5 00 <0f> 0b e9 75 ca 04 01 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed

 6578 13:53:22.523146  # [   57.924959] RSP: 0018:ffffacf9c45c7e48 EFLAGS: 00010286

 6579 13:53:22.533074  # [   57.930469] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6580 13:53:22.539941  # [   57.937878] RDX: ffff<6>[   58.336662] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 6581 13:53:22.546252  89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 6582 13:53:22.552678  # [   57.945284] RBP: ffffffffa6f8247b R08: 0000000000000000 R09: 0000000000000000

 6583 13:53:22.559448  # [   57.952689] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6584 13:53:22.569602  # [   57.960108] R13: ffffacf9<6>[   58.345191] lkdtm: attempting bad refcount_inc() from saturated

 6585 13:53:22.572659  c45c7f10 R14: ffffacf9c45c7f10 R15: ffff89a1c3f76000

 6586 13:53:22.582381  # [   57.967512] FS:  00007f974d6b2580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 6587 13:53:22.585909  # [   57.975899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6588 13:53:22.595920  # [   57.981921] CR2: 00007f974d4b2000 <4>[   58.373567] ------------[ cut here ]------------

 6589 13:53:22.598884  CR3: 00000001056a0000 CR4: 00000000001506e0

 6590 13:53:22.602670  # [   57.989336] Call Trace:

 6591 13:53:22.605568  # [   57.992069]  ? __warn+0x80/0x110

 6592 13:53:22.608999  # [   57.995584]  ? refcount_warn_saturate+0x74/0x110

 6593 13:53:22.612386  # [   58.000484]  ? report_bug+0x9e/0xc0

 6594 13:53:22.618794  # [   58.004260]  ? handle_bug+0x41/0x90

 6595 13:53:22.622123  # [<4>[   58.400659] refcount_t: saturated; leaking memory.

 6596 13:53:22.625238     58.008029]  ? exc_invalid_op+0x14/0x70

 6597 13:53:22.632173  # [   58.012157]  ? asm_exc_invalid_op+0x12/0x20

 6598 13:53:22.635222  # [   58.016628]  ? refcount_warn_saturate+0x74/0x110

 6599 13:53:22.642165  # [   58.021550]  ? refcount_warn_saturate+0x74/0x110

 6600 13:53:22.645363  # [   58.026448]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 6601 13:53:22.655207  <4>[   58.427931] WARNING: CPU: 1 PID: 2338 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6602 13:53:22.658659  # [   58.031240]  direct_entry.cold+0x2c/0x38

 6603 13:53:22.662109  # [   58.035513]  full_proxy_write+0x56/0x80

 6604 13:53:22.665230  # [   58.039689]  vfs_write+0xea/0x3b0

 6605 13:53:22.668408  # [   58.043349]  ksys_write+0x68/0xf0

 6606 13:53:22.671986  # [   58.047051]  do_syscall_64+0x33/0x40

 6607 13:53:22.715140  # [   58.050991]  entry_SYSCALL_64_after<4>[   58.458718] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6608 13:53:22.718060  _hwframe+0x62/0xc7

 6609 13:53:22.721500  # [   58.056412] RIP: 0033:0x7f974d5be473

 6610 13:53:22.744918  # [   58.060374] 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 <4>[   58.520834] CPU: 1 PID: 2338 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6611 13:53:22.747968  83 ec 28 48 89 54 24 18

 6612 13:53:22.754801  # [   58.079474] RSP: 002b:00007ffe78686a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6613 13:53:22.764687  # [   58.087363] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f974d5be473

 6614 13:53:22.774857  # [   58.094880] RDX: 0000000000000012 RSI: 00007f974d4b20<4>[   58.551090] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6615 13:53:22.777843  00 RDI: 0000000000000001

 6616 13:53:22.784638  # [   58.102308] RBP: 00007f974d4b2000 R08: 00007f974d4b1010 R09: 0000000000000000

 6617 13:53:22.790938  # [   58.109719] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6618 13:53:22.800941  # [   58.117192] R13: 0000000000000001 R14: 0000000000020000 R<4>[   58.579344] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6619 13:53:22.804223  15: 0000000000020000

 6620 13:53:22.807942  # [   58.124642] irq event stamp: 0

 6621 13:53:22.814127  # [   58.127995] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6622 13:53:22.820551  # [   58.134531] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6623 13:53:22.844183  # [   58.142976] softirqs l<4>[   58.607060] Code: 84 bc 00 00 00 e9 bf ca 04 01 85 f6 74 46 80 3d 79 00 17 02 00 75 ee 48 c7 c7 08 d0 ed a6 c6 05 69 00 17 02 01 e8 89 e6 c5 00 <0f> 0b e9 98 ca 04 01 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed

 6624 13:53:22.850550  ast  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6625 13:53:22.857195  # [   58.151404] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6626 13:53:22.860279  # [   58.157924] ---[ end trace e32a66cc720e8170 ]---

 6627 13:53:22.863502  # [   58.162798] lkdtm: Zero detected: saturated

 6628 13:53:22.870467  # REFCOU<4>[   58.648210] RSP: 0018:ffffacf9c4637e48 EFLAGS: 00010286

 6629 13:53:22.873802  NT_ADD_ZERO: saw 'call trace:': ok

 6630 13:53:22.876655  ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6631 13:53:22.883500  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 6632 13:53:22.890255  <4>[   58.675867] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 6633 13:53:22.896388  <4>[   58.694464] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 6634 13:53:22.903195  <4>[   58.701912] RBP: ffffffffa6f8248d R08: 0000000000000000 R09: 0000000000000000

 6635 13:53:22.913310  <4>[   58.709369] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6636 13:53:22.919811  <4>[   58.716838] R13: ffffacf9c4637f10 R14: ffffacf9c4637f10 R15: ffff89a1c3a32000

 6637 13:53:22.926742  <4>[   58.724275] FS:  00007f95ec6b2580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 6638 13:53:22.933427  <4>[   58.732663] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6639 13:53:22.939846  <4>[   58.738688] CR2: 00007f95ec482000 CR3: 0000000103174000 CR4: 00000000001506e0

 6640 13:53:22.943309  <4>[   58.746146] Call Trace:

 6641 13:53:22.946690  <4>[   58.748887]  ? __warn+0x80/0x110

 6642 13:53:22.952977  <4>[   58.752462]  ? refcount_warn_saturate+0x51/0x110

 6643 13:53:22.956324  <4>[   58.757494]  ? report_bug+0x9e/0xc0

 6644 13:53:22.959588  <4>[   58.761346]  ? handle_bug+0x41/0x90

 6645 13:53:22.963150  <4>[   58.765237]  ? exc_invalid_op+0x14/0x70

 6646 13:53:22.969529  <4>[   58.769436]  ? asm_exc_invalid_op+0x12/0x20

 6647 13:53:22.973483  <4>[   58.773963]  ? refcount_warn_saturate+0x51/0x110

 6648 13:53:22.979578  <4>[   58.778932]  ? refcount_warn_saturate+0x51/0x110

 6649 13:53:22.983023  <4>[   58.784037]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 6650 13:53:22.989636  <4>[   58.789233]  direct_entry.cold+0x2c/0x38

 6651 13:53:22.992822  <4>[   58.793512]  full_proxy_write+0x56/0x80

 6652 13:53:22.996105  <4>[   58.797658]  vfs_write+0xea/0x3b0

 6653 13:53:22.999514  <4>[   58.801380]  ksys_write+0x68/0xf0

 6654 13:53:23.002971  <4>[   58.805053]  do_syscall_64+0x33/0x40

 6655 13:53:23.009418  <4>[   58.809002]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6656 13:53:23.012795  <4>[   58.814403] RIP: 0033:0x7f95ec58e473

 6657 13:53:23.033084  <4>[   58.818294] 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

 6658 13:53:23.039262  <4>[   58.837339] RSP: 002b:00007ffe6bd02378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6659 13:53:23.049191  <4>[   58.845192] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f95ec58e473

 6660 13:53:23.056333  <4>[   58.852590] RDX: 0000000000000017 RSI: 00007f95ec482000 RDI: 0000000000000001

 6661 13:53:23.062650  <4>[   58.859987] RBP: 00007f95ec482000 R08: 00007f95ec481010 R09: 0000000000000000

 6662 13:53:23.068978  <4>[   58.867373] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6663 13:53:23.079185  <4>[   58.874783] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6664 13:53:23.082144  <4>[   58.882184] irq event stamp: 0

 6665 13:53:23.088825  <4>[   58.885503] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6666 13:53:23.095252  <4>[   58.892034] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6667 13:53:23.104927  <4>[   58.900468] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6668 13:53:23.111877  <4>[   58.908914] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6669 13:53:23.115022  <4>[   58.915438] ---[ end trace e32a66cc720e8171 ]---

 6670 13:53:23.121936  <6>[   58.920316] lkdtm: Saturation detected: still saturated

 6671 13:53:23.158362  # [   58.336662] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 6672 13:53:23.165115  # [   58.345191] lkdtm: attempting bad refcount_inc() from saturated

 6673 13:53:23.172036  # [   58.373567] ------------[ cut here ]------------

 6674 13:53:23.175257  # [   58.400659] refcount_t: saturated; leaking memory.

 6675 13:53:23.185007  # [   58.427931] WARNING: CPU: 1 PID: 2338 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6676 13:53:23.225119  # [   58.458718] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6677 13:53:23.231510  # [   58.520834] CPU: 1 PID: 2338 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6678 13:53:23.238259  # [   58.551090] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6679 13:53:23.244641  # [   58.579344] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6680 13:53:23.261283  # [   58.607060] Code: 84 bc 00 00 00 e9 bf ca 04 01 85 f6 74 46 80 3d 79 00 17 02 00 75 ee 48 c7 c7 08 d0 ed a6 c6 05 69 00 17 02 01 e8 89 e6 c5 00 <0f> 0b e9 98 ca 04 01 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed

 6681 13:53:23.267892  # [   58.648210] RSP: 0018:ffffacf9c4637e48 EFLAGS: 00010286

 6682 13:53:23.274669  # [   58.675867] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 6683 13:53:23.280930  # [   58.694464] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 6684 13:53:23.291085  # [   58.701912] RBP: ffffffffa6f8248d R08: 0000000000000000 R09: 0000000000000000

 6685 13:53:23.298008  # [   58.709369] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6686 13:53:23.304505  # [   58.716838] R13: ffffacf9c4637f10 R14: ffffacf9c4637f10 R15: ffff89a1c3a32000

 6687 13:53:23.314432  # [   58.724275] FS:  00007f95ec6b2580(0000) GS:ffff89a<6>[   59.103922] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 6688 13:53:23.317661  1ead00000(0000) knlGS:0000000000000000

 6689 13:53:23.324234  # [   58.732663] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6690 13:53:23.330928  # [   58.738688] CR2: 00007f95ec482000 CR3: 0000000103174000 CR4: 00000000001506e0

 6691 13:53:23.334066  # [   58.746146] Call Trace:

 6692 13:53:23.343883  # [   58.748887]  ? __warn+0x80/0x<6>[   59.120098] lkdtm: attempting bad refcount_dec() from saturated

 6693 13:53:23.344398  110

 6694 13:53:23.350771  # [   58.752462]  ? refcount_warn_saturate+0x51/0x110

 6695 13:53:23.354071  # [   58.757494]  ? report_bug+0x9e/0xc0

 6696 13:53:23.356910  # [   58.761346]  ? handle_bug+0x41/0x90

 6697 13:53:23.360638  # [   58.765237]  ? exc_invalid_op+0x14/0x70

 6698 13:53:23.363570  # [   58.769436]  ? asm_exc_invalid_op+0x12/0x20

 6699 13:53:23.370393  # [   58.773963]<4>[   59.148490] ------------[ cut here ]------------

 6700 13:53:23.373684    ? refcount_warn_saturate+0x51/0x110

 6701 13:53:23.379989  # [   58.778932]  ? refcount_warn_saturate+0x51/0x110

 6702 13:53:23.383371  # [   58.784037]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 6703 13:53:23.386702  # [   58.789233]  direct_entry.cold+0x2c/0x38

 6704 13:53:23.392985  # [   58.793512]  full_proxy_write+0x56/0x80

 6705 13:53:23.399748  # [   58.79<4>[   59.175538] refcount_t: decrement hit 0; leaking memory.

 6706 13:53:23.399913  7658]  vfs_write+0xea/0x3b0

 6707 13:53:23.402860  # [   58.801380]  ksys_write+0x68/0xf0

 6708 13:53:23.410070  # [   58.805053]  do_syscall_64+0x33/0x40

 6709 13:53:23.413568  # [   58.809002]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6710 13:53:23.416855  # [   58.814403] RIP: 0033:0x7f95ec58e473

 6711 13:53:23.430004  # [   58.818294] Code: 8b 15 21 2a 0e 00 <4>[   59.203348] WARNING: CPU: 0 PID: 2374 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6712 13:53:23.446118  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

 6713 13:53:23.492557  # [   58.837339] RSP: 002b:00007ffe6bd02378 EFLAGS: 00000246 ORIG_RAX: 00000000<4>[   59.234169] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6714 13:53:23.493095  00000001

 6715 13:53:23.499436  # [   58.845192] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f95ec58e473

 6716 13:53:23.505890  # [   58.852590] RDX: 0000000000000017 RSI: 00007f95ec482000 RDI: 0000000000000001

 6717 13:53:23.522777  # [   58.859987] RBP: 00007f95ec482000 R08: 00007f95ec481010 R09: 000000000000<4>[   59.296244] CPU: 0 PID: 2374 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6718 13:53:23.523293  0000

 6719 13:53:23.528860  # [   58.867373] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6720 13:53:23.535752  # [   58.874783] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6721 13:53:23.538806  # [   58.882184] irq event stamp: 0

 6722 13:53:23.548745  # [   58.885503] hardirqs last  enabled at (0<4>[   59.326425] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6723 13:53:23.552021  ): [<0000000000000000>] 0x0

 6724 13:53:23.562096  # [   58.892034] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6725 13:53:23.568360  # [   58.900468] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6726 13:53:23.578353  # [   58.908914] softirqs last disa<4>[   59.354784] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6727 13:53:23.581655  bled at (0): [<0000000000000000>] 0x0

 6728 13:53:23.584833  # [   58.915438] ---[ end trace e32a66cc720e8171 ]---

 6729 13:53:23.591707  # [   58.920316] lkdtm: Saturation detected: still saturated

 6730 13:53:23.597958  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 6731 13:53:23.618245  ok 52 selftests: lkdtm: RE<4>[   59.382454] Code: b8 d0 ed a6 c6 05 d5 ff 16 02 01 e8 f9 e5 c5 00 0f 0b e9 08 ca 04 01 48 c7 c7 88 d0 ed a6 c6 05 bc ff 16 02 01 e8 df e5 c5 00 <0f> 0b e9 ee c9 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6732 13:53:23.621475  FCOUNT_INC_SATURATED.sh

 6733 13:53:23.624788  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 6734 13:53:23.631623  <4>[   59.423626] RSP: 0018:ffffacf9c46a7e48 EFLAGS: 00010286

 6735 13:53:23.637996  <4>[   59.435308] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 6736 13:53:23.644553  <4>[   59.442696] RDX: ffff89a1eac2c620 RSI: ffff89a1eac1bf50 RDI: ffff89a1eac1bf50

 6737 13:53:23.651433  <4>[   59.450090] RBP: ffffffffa6f824a4 R08: 0000000000000000 R09: 0000000000000000

 6738 13:53:23.661321  <4>[   59.457486] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6739 13:53:23.667752  <4>[   59.464875] R13: ffffacf9c46a7f10 R14: ffffacf9c46a7f10 R15: ffff89a1c2c33000

 6740 13:53:23.673979  <4>[   59.472263] FS:  00007f2a1a1f6580(0000) GS:ffff89a1eac00000(0000) knlGS:0000000000000000

 6741 13:53:23.680949  <4>[   59.480606] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6742 13:53:23.690891  <4>[   59.486608] CR2: 00007f2a19fc2000 CR3: 0000000103920000 CR4: 00000000001506f0

 6743 13:53:23.691032  <4>[   59.493997] Call Trace:

 6744 13:53:23.694107  <4>[   59.496716]  ? __warn+0x80/0x110

 6745 13:53:23.700789  <4>[   59.500209]  ? refcount_warn_saturate+0xfb/0x110

 6746 13:53:23.703867  <4>[   59.505086]  ? report_bug+0x9e/0xc0

 6747 13:53:23.707209  <4>[   59.508839]  ? handle_bug+0x41/0x90

 6748 13:53:23.710510  <4>[   59.512606]  ? exc_invalid_op+0x14/0x70

 6749 13:53:23.717232  <4>[   59.516705]  ? asm_exc_invalid_op+0x12/0x20

 6750 13:53:23.720397  <4>[   59.521145]  ? refcount_warn_saturate+0xfb/0x110

 6751 13:53:23.727393  <4>[   59.526022]  ? refcount_warn_saturate+0xfb/0x110

 6752 13:53:23.730692  <4>[   59.530901]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 6753 13:53:23.733783  <4>[   59.536040]  direct_entry.cold+0x2c/0x38

 6754 13:53:23.740811  <4>[   59.540227]  full_proxy_write+0x56/0x80

 6755 13:53:23.744202  <4>[   59.544327]  vfs_write+0xea/0x3b0

 6756 13:53:23.747494  <4>[   59.547906]  ksys_write+0x68/0xf0

 6757 13:53:23.750631  <4>[   59.551485]  do_syscall_64+0x33/0x40

 6758 13:53:23.757158  <4>[   59.555323]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6759 13:53:23.760885  <4>[   59.560638] RIP: 0033:0x7f2a1a0ce473

 6760 13:53:23.780387  <4>[   59.564478] 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

 6761 13:53:23.786997  <4>[   59.583482] RSP: 002b:00007ffd0d0fe728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6762 13:53:23.793451  <4>[   59.591309] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f2a1a0ce473

 6763 13:53:23.799893  <4>[   59.598699] RDX: 0000000000000017 RSI: 00007f2a19fc2000 RDI: 0000000000000001

 6764 13:53:23.809793  <4>[   59.606090] RBP: 00007f2a19fc2000 R08: 00007f2a19fc1010 R09: 0000000000000000

 6765 13:53:23.816234  <4>[   59.613480] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6766 13:53:23.822884  <4>[   59.620873] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6767 13:53:23.826264  <4>[   59.628271] irq event stamp: 0

 6768 13:53:23.832895  <4>[   59.631589] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6769 13:53:23.842862  <4>[   59.638114] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6770 13:53:23.849524  <4>[   59.646547] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6771 13:53:23.856114  <4>[   59.654980] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6772 13:53:23.863142  <4>[   59.661506] ---[ end trace e32a66cc720e8172 ]---

 6773 13:53:23.866087  <6>[   59.666385] lkdtm: Saturation detected: still saturated

 6774 13:53:23.904891  # [   59.103922] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 6775 13:53:23.911271  # [   59.120098] lkdtm: attempting bad refcount_dec() from saturated

 6776 13:53:23.918088  # [   59.148490] ------------[ cut here ]------------

 6777 13:53:23.921639  # [   59.175538] refcount_t: decrement hit 0; leaking memory.

 6778 13:53:23.931565  # [   59.203348] WARNING: CPU: 0 PID: 2374 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6779 13:53:23.970728  # [   59.234169] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6780 13:53:23.977216  # [   59.296244] CPU: 0 PID: 2374 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6781 13:53:23.983839  # [   59.326425] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6782 13:53:23.990919  # [   59.354784] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6783 13:53:24.007622  # [   59.382454] Code: b8 d0 ed a6 c6 05 d5 ff 16 02 01 e8 f9 e5 c5 00 0f 0b e9 08 ca 04 01 48 c7 c7 88 d0 ed a6 c6 05 bc ff 16 02 01 e8 df e5 c5 00 <0f> 0b e9 ee c9 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6784 13:53:24.013928  # [   59.423626] RSP: 0018:ffffacf9c46a7e48 EFLAGS: 00010286

 6785 13:53:24.020497  # [   59.435308] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 6786 13:53:24.030332  # [   59.442696] RDX: ffff89a1eac2c620 RSI: ffff89a1eac1bf50 RDI: ffff89a1eac1bf50

 6787 13:53:24.037207  # [   59.450090] RBP: ffffffffa6f824a4 R08: 0000000000000000 R09: 0000000000000000

 6788 13:53:24.043374  # [   59.457486] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6789 13:53:24.050279  # [   59.464875] R13: ffffacf9c46a7f10 R14: ffffacf9c46a7f10 R15: ffff89a1c2c33000

 6790 13:53:24.060248  # [   59.472263] FS:  00007f2a1a1f6580(0000) GS:ffff89a1eac00000(0000) knlGS:0000000000000000

 6791 13:53:24.066819  # [<6>[   59.852475] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 6792 13:53:24.069841     59.480606] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6793 13:53:24.079449  # [   59.486608] CR2: 00007f2a19fc2000 CR3: 0000000103920000 CR4: 00000000001506f0

 6794 13:53:24.079635  # [   59.493997] Call Trace:

 6795 13:53:24.083112  # [   59.496716]  ? __warn+0x80/0x110

 6796 13:53:24.093075  # [   59.500209]  ? refcount_warn_satu<6>[   59.870501] lkdtm: attempting bad refcount_dec() from saturated

 6797 13:53:24.096220  rate+0xfb/0x110

 6798 13:53:24.099963  # [   59.505086]  ? report_bug+0x9e/0xc0

 6799 13:53:24.102729  # [   59.508839]  ? handle_bug+0x41/0x90

 6800 13:53:24.105981  # [   59.512606]  ? exc_invalid_op+0x14/0x70

 6801 13:53:24.109651  # [   59.516705]  ? asm_exc_invalid_op+0x12/0x20

 6802 13:53:24.116193  # [   59.521145]  ? refcount_warn_saturate+0xfb/0x110

 6803 13:53:24.122789  # [ <4>[   59.898885] ------------[ cut here ]------------

 6804 13:53:24.125798    59.526022]  ? refcount_warn_saturate+0xfb/0x110

 6805 13:53:24.129106  # [   59.530901]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 6806 13:53:24.135755  # [   59.536040]  direct_entry.cold+0x2c/0x38

 6807 13:53:24.139447  # [   59.540227]  full_proxy_write+0x56/0x80

 6808 13:53:24.142426  # [   59.544327]  vfs_write+0xea/0x3b0

 6809 13:53:24.149263  # [   59.54790<4>[   59.925965] refcount_t: saturated; leaking memory.

 6810 13:53:24.149993  6]  ksys_write+0x68/0xf0

 6811 13:53:24.155815  # [   59.551485]  do_syscall_64+0x33/0x40

 6812 13:53:24.159424  # [   59.555323]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6813 13:53:24.162598  # [   59.560638] RIP: 0033:0x7f2a1a0ce473

 6814 13:53:24.178916  # [   59.564478] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0<4>[   59.953232] WARNING: CPU: 1 PID: 2410 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6815 13:53:24.191872  f 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

 6816 13:53:24.198534  # [   59.583482] RSP: 002b:00007ffd0d0fe728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6817 13:53:24.241839  # [   59.591309] RAX: fffffffffff<4>[   59.984131] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6818 13:53:24.245034  fffda RBX: 0000000000000017 RCX: 00007f2a1a0ce473

 6819 13:53:24.251925  # [   59.598699] RDX: 0000000000000017 RSI: 00007f2a19fc2000 RDI: 0000000000000001

 6820 13:53:24.261350  # [   59.606090] RBP: 00007f2a19fc2000 R08: 00007f2a19fc1010 R09: 0000000000000000

 6821 13:53:24.271072  # [   59.613480] R10: fffffffffffffbc<4>[   60.046167] CPU: 1 PID: 2410 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6822 13:53:24.274364  5 R11: 0000000000000246 R12: 0000000000000001

 6823 13:53:24.284452  # [   59.620873] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6824 13:53:24.284878  # [   59.628271] irq event stamp: 0

 6825 13:53:24.291325  # [   59.631589] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6826 13:53:24.300973  # [   59.63811<4>[   60.076325] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6827 13:53:24.307394  4] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6828 13:53:24.314213  # [   59.646547] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6829 13:53:24.321078  # [   59.654980] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6830 13:53:24.327149  # [ <4>[   60.104691] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6831 13:53:24.330522    59.661506] ---[ end trace e32a66cc720e8172 ]---

 6832 13:53:24.337200  # [   59.666385] lkdtm: Saturation detected: still saturated

 6833 13:53:24.343840  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok

 6834 13:53:24.346768  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 6835 13:53:24.369993  # selftests: lkdtm<4>[   60.132331] Code: 84 bc 00 00 00 e9 bf ca 04 01 85 f6 74 46 80 3d 79 00 17 02 00 75 ee 48 c7 c7 08 d0 ed a6 c6 05 69 00 17 02 01 e8 89 e6 c5 00 <0f> 0b e9 98 ca 04 01 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed

 6836 13:53:24.370344  : REFCOUNT_ADD_SATURATED.sh

 6837 13:53:24.377018  <4>[   60.173514] RSP: 0018:ffffacf9c471fe48 EFLAGS: 00010286

 6838 13:53:24.383444  <4>[   60.181506] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 6839 13:53:24.390160  <4>[   60.188947] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 6840 13:53:24.400302  <4>[   60.196370] RBP: ffffffffa6f824bb R08: 0000000000000000 R09: 0000000000000000

 6841 13:53:24.406893  <4>[   60.203813] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6842 13:53:24.413267  <4>[   60.211223] R13: ffffacf9c471ff10 R14: ffffacf9c471ff10 R15: ffff89a1c3f54000

 6843 13:53:24.423409  <4>[   60.218665] FS:  00007fe304bad580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 6844 13:53:24.429857  <4>[   60.227037] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6845 13:53:24.436754  <4>[   60.233078] CR2: 00007fe30497a000 CR3: 00000001028e2000 CR4: 00000000001506e0

 6846 13:53:24.440011  <4>[   60.240500] Call Trace:

 6847 13:53:24.443323  <4>[   60.243279]  ? __warn+0x80/0x110

 6848 13:53:24.446283  <4>[   60.246804]  ? refcount_warn_saturate+0x51/0x110

 6849 13:53:24.449505  <4>[   60.251747]  ? report_bug+0x9e/0xc0

 6850 13:53:24.452788  <4>[   60.255531]  ? handle_bug+0x41/0x90

 6851 13:53:24.459590  <4>[   60.259336]  ? exc_invalid_op+0x14/0x70

 6852 13:53:24.462671  <4>[   60.263456]  ? asm_exc_invalid_op+0x12/0x20

 6853 13:53:24.469409  <4>[   60.268014]  ? refcount_warn_saturate+0x51/0x110

 6854 13:53:24.472615  <4>[   60.272977]  ? refcount_warn_saturate+0x51/0x110

 6855 13:53:24.479547  <4>[   60.277951]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 6856 13:53:24.482825  <4>[   60.283196]  direct_entry.cold+0x2c/0x38

 6857 13:53:24.486513  <4>[   60.287441]  full_proxy_write+0x56/0x80

 6858 13:53:24.489505  <4>[   60.291715]  vfs_write+0xea/0x3b0

 6859 13:53:24.492560  <4>[   60.295354]  ksys_write+0x68/0xf0

 6860 13:53:24.499292  <4>[   60.299026]  do_syscall_64+0x33/0x40

 6861 13:53:24.502374  <4>[   60.302921]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6862 13:53:24.506310  <4>[   60.308263] RIP: 0033:0x7fe304a86473

 6863 13:53:24.525720  <4>[   60.312111] 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

 6864 13:53:24.532753  <4>[   60.331137] RSP: 002b:00007ffdf442cd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6865 13:53:24.542970  <4>[   60.338971] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe304a86473

 6866 13:53:24.549323  <4>[   60.346365] RDX: 0000000000000017 RSI: 00007fe30497a000 RDI: 0000000000000001

 6867 13:53:24.556151  <4>[   60.353757] RBP: 00007fe30497a000 R08: 00007fe304979010 R09: 0000000000000000

 6868 13:53:24.562190  <4>[   60.361149] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6869 13:53:24.572149  <4>[   60.368556] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6870 13:53:24.575754  <4>[   60.375955] irq event stamp: 0

 6871 13:53:24.582402  <4>[   60.379277] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6872 13:53:24.589191  <4>[   60.385806] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6873 13:53:24.598978  <4>[   60.394267] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6874 13:53:24.605430  <4>[   60.402707] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6875 13:53:24.608604  <4>[   60.409243] ---[ end trace e32a66cc720e8173 ]---

 6876 13:53:24.615088  <6>[   60.414121] lkdtm: Saturation detected: still saturated

 6877 13:53:24.654831  # [   59.852475] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 6878 13:53:24.661060  # [   59.870501] lkdtm: attempting bad refcount_dec() from saturated

 6879 13:53:24.668275  # [   59.898885] ------------[ cut here ]------------

 6880 13:53:24.671064  # [   59.925965] refcount_t: saturated; leaking memory.

 6881 13:53:24.681312  # [   59.953232] WARNING: CPU: 1 PID: 2410 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6882 13:53:24.720710  # [   59.984131] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6883 13:53:24.726945  # [   60.046167] CPU: 1 PID: 2410 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6884 13:53:24.733560  # [   60.076325] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6885 13:53:24.740211  # [   60.104691] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6886 13:53:24.756805  # [   60.132331] Code: 84 bc 00 00 00 e9 bf ca 04 01 85 f6 74 46 80 3d 79 00 17 02 00 75 ee 48 c7 c7 08 d0 ed a6 c6 05 69 00 17 02 01 e8 89 e6 c5 00 <0f> 0b e9 98 ca 04 01 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed

 6887 13:53:24.762999  # [   60.173514] RSP: 0018:ffffacf9c471fe48 EFLAGS: 00010286

 6888 13:53:24.770141  # [   60.181506] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 6889 13:53:24.776411  # [   60.188947] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 6890 13:53:24.786088  # [   60.196370] RBP: ffffffffa6f824bb R08: 0000000000000000 R09: 0000000000000000

 6891 13:53:24.792929  # [   60.203813] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6892 13:53:24.799264  # [   60.211223] R13: ffffacf9c471ff10 R14: ffffacf9c471ff10 R15: ffff89a1c3f54000

 6893 13:53:24.812857  # [   60.218665] FS:  00007fe304bad580(0000) GS:ffff8<6>[   60.602091] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 6894 13:53:24.816033  9a1ead00000(0000) knlGS:0000000000000000

 6895 13:53:24.823028  # [   60.227037] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6896 13:53:24.829346  # [   60.233078] CR2: 00007fe30497a000 CR3: 00000001028e2000 CR4: 00000000001506e0

 6897 13:53:24.832816  # [   60.240500] Call Trace:

 6898 13:53:24.839363  # [   60.243279]  ? __warn+0x80/<6>[   60.616555] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 6899 13:53:24.842769  0x110

 6900 13:53:24.845602  # [   60.246804]  ? refcount_warn_saturate+0x51/0x110

 6901 13:53:24.849474  # [   60.251747]  ? report_bug+0x9e/0xc0

 6902 13:53:24.852522  # [   60.255531]  ? handle_bug+0x41/0x90

 6903 13:53:24.859399  # [   60.259336]  ? exc_invalid_op+0x14/0x70

 6904 13:53:24.862246  # [   60.263456]  ? asm_exc_invalid_op+0x12/0x20

 6905 13:53:24.868753  # [   60.26801<4>[   60.645715] ------------[ cut here ]------------

 6906 13:53:24.872484  4]  ? refcount_warn_saturate+0x51/0x110

 6907 13:53:24.875443  # [   60.272977]  ? refcount_warn_saturate+0x51/0x110

 6908 13:53:24.882112  # [   60.277951]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 6909 13:53:24.885425  # [   60.283196]  direct_entry.cold+0x2c/0x38

 6910 13:53:24.888567  # [   60.287441]  full_proxy_write+0x56/0x80

 6911 13:53:24.895499  # [   60.<4>[   60.672792] refcount_t: saturated; leaking memory.

 6912 13:53:24.898500  291715]  vfs_write+0xea/0x3b0

 6913 13:53:24.902211  # [   60.295354]  ksys_write+0x68/0xf0

 6914 13:53:24.905520  # [   60.299026]  do_syscall_64+0x33/0x40

 6915 13:53:24.908532  # [   60.302921]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6916 13:53:24.914903  # [   60.308263] RIP: 0033:0x7fe304a86473

 6917 13:53:24.924982  # [   60.312111] Code: 8b 15 21 2a 0e 0<4>[   60.700058] WARNING: CPU: 1 PID: 2443 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6918 13:53:24.941500  0 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

 6919 13:53:24.987933  # [   60.331137] RSP: 002b:00007ffdf442cd98 EFLAGS: 00000246 ORIG_RAX: 000000<4>[   60.730956] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6920 13:53:24.988482  0000000001

 6921 13:53:24.997547  # [   60.338971] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe304a86473

 6922 13:53:25.004713  # [   60.346365] RDX: 0000000000000017 RSI: 00007fe30497a000 RDI: 0000000000000001

 6923 13:53:25.017476  # [   60.353757] RBP: 00007fe30497a000 R08: 00007fe304979010 R09: 0000000000<4>[   60.792997] CPU: 1 PID: 2443 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6924 13:53:25.017993  000000

 6925 13:53:25.027271  # [   60.361149] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6926 13:53:25.033787  # [   60.368556] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6927 13:53:25.037152  # [   60.375955] irq event stamp: 0

 6928 13:53:25.047426  # [   60.379277] hardirqs last  enabled at <4>[   60.823177] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6929 13:53:25.050441  (0): [<0000000000000000>] 0x0

 6930 13:53:25.057138  # [   60.385806] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6931 13:53:25.067094  # [   60.394267] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6932 13:53:25.073932  # [   60.402707] softirqs last di<4>[   60.851482] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6933 13:53:25.077253  sabled at (0): [<0000000000000000>] 0x0

 6934 13:53:25.083541  # [   60.409243] ---[ end trace e32a66cc720e8173 ]---

 6935 13:53:25.086844  # [   60.414121] lkdtm: Saturation detected: still saturated

 6936 13:53:25.093159  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok

 6937 13:53:25.116718  ok 54 selftests: lkdtm: <4>[   60.879127] Code: 02 01 e8 66 e6 c5 00 0f 0b e9 75 ca 04 01 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed a6 c6 05 24 00 17 02 01 e8 43 e6 c5 00 <0f> 0b e9 52 ca 04 01 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed

 6938 13:53:25.117208  REFCOUNT_ADD_SATURATED.sh

 6939 13:53:25.122918  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 6940 13:53:25.129844  <4>[   60.920311] RSP: 0018:ffffacf9c47a7e38 EFLAGS: 00010282

 6941 13:53:25.136103  <4>[   60.932983] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6942 13:53:25.142801  <4>[   60.940407] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 6943 13:53:25.149588  <4>[   60.947845] RBP: ffffffffa6f820e8 R08: 0000000000000000 R09: 0000000000000000

 6944 13:53:25.159292  <4>[   60.955284] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6945 13:53:25.165981  <4>[   60.962744] R13: ffffacf9c47a7f10 R14: ffffacf9c47a7f10 R15: ffff89a1c3114000

 6946 13:53:25.172954  <4>[   60.970180] FS:  00007fb80cbea580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 6947 13:53:25.179204  <4>[   60.978574] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6948 13:53:25.186027  <4>[   60.984655] CR2: 00007fb80c9ea000 CR3: 0000000102c7c000 CR4: 00000000001506e0

 6949 13:53:25.189126  <4>[   60.992127] Call Trace:

 6950 13:53:25.192562  <4>[   60.994894]  ? __warn+0x80/0x110

 6951 13:53:25.198920  <4>[   60.998462]  ? refcount_warn_saturate+0x97/0x110

 6952 13:53:25.202249  <4>[   61.003436]  ? report_bug+0x9e/0xc0

 6953 13:53:25.205676  <4>[   61.007260]  ? handle_bug+0x41/0x90

 6954 13:53:25.209130  <4>[   61.011126]  ? exc_invalid_op+0x14/0x70

 6955 13:53:25.215887  <4>[   61.015309]  ? asm_exc_invalid_op+0x12/0x20

 6956 13:53:25.219258  <4>[   61.019835]  ? refcount_warn_saturate+0x97/0x110

 6957 13:53:25.225863  <4>[   61.024832]  ? refcount_warn_saturate+0x97/0x110

 6958 13:53:25.232154  <4>[   61.029810]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6959 13:53:25.235382  <4>[   61.035665]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 6960 13:53:25.242222  <4>[   61.041674]  direct_entry.cold+0x2c/0x38

 6961 13:53:25.245360  <4>[   61.045981]  full_proxy_write+0x56/0x80

 6962 13:53:25.248763  <4>[   61.050168]  vfs_write+0xea/0x3b0

 6963 13:53:25.251989  <4>[   61.053792]  ksys_write+0x68/0xf0

 6964 13:53:25.255413  <4>[   61.057492]  do_syscall_64+0x33/0x40

 6965 13:53:25.261800  <4>[   61.061366]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6966 13:53:25.265635  <4>[   61.066689] RIP: 0033:0x7fb80caf6473

 6967 13:53:25.284818  <4>[   61.070539] 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

 6968 13:53:25.291676  <4>[   61.089563] RSP: 002b:00007ffc4cdc63a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6969 13:53:25.298610  <4>[   61.097391] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb80caf6473

 6970 13:53:25.308413  <4>[   61.104782] RDX: 0000000000000020 RSI: 00007fb80c9ea000 RDI: 0000000000000001

 6971 13:53:25.315523  <4>[   61.112173] RBP: 00007fb80c9ea000 R08: 00007fb80c9e9010 R09: 0000000000000000

 6972 13:53:25.321532  <4>[   61.119589] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6973 13:53:25.328423  <4>[   61.126986] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6974 13:53:25.331711  <4>[   61.134399] irq event stamp: 0

 6975 13:53:25.337969  <4>[   61.137718] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6976 13:53:25.347963  <4>[   61.144248] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6977 13:53:25.354467  <4>[   61.152691] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 6978 13:53:25.361556  <4>[   61.161121] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6979 13:53:25.368101  <4>[   61.167646] ---[ end trace e32a66cc720e8174 ]---

 6980 13:53:25.374184  <6>[   61.172525] lkdtm: Saturation detected: still saturated

 6981 13:53:25.416370  # [   60.602091] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 6982 13:53:25.423096  # [   60.616555] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 6983 13:53:25.426705  # [   60.645715] ------------[ cut here ]------------

 6984 13:53:25.433524  # [   60.672792] refcount_t: saturated; leaking memory.

 6985 13:53:25.439843  # [   60.700058] WARNING: CPU: 1 PID: 2443 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6986 13:53:25.479759  # [   60.730956] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6987 13:53:25.489341  # [   60.792997] CPU: 1 PID: 2443 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 6988 13:53:25.496156  # [   60.823177] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6989 13:53:25.499386  # [   60.851482] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6990 13:53:25.519178  # [   60.879127] Code: 02 01 e8 66 e6 c5 00 0f 0b e9 75 ca 04 01 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed a6 c6 05 24 00 17 02 01 e8 43 e6 c5 00 <0f> 0b e9 52 ca 04 01 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed

 6991 13:53:25.522376  # [   60.920311] RSP: 0018:ffffacf9c47a7e38 EFLAGS: 00010282

 6992 13:53:25.532612  # [   60.932983] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6993 13:53:25.539076  # [   60.940407] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 6994 13:53:25.545823  # [   60.947845] RBP: ffffffffa6f820e8 R08: 0000000000000000 R09: 0000000000000000

 6995 13:53:25.555816  # [   60.955284] R10: 00000000ff<6>[   61.335323] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 6996 13:53:25.558910  ffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6997 13:53:25.569057  # [   60.962744] R13: ffffacf9c47a7f10 R14: ffffacf9c47a7f10 R15: ffff89a1c3114000

 6998 13:53:25.575506  # [   60.970180] FS:  00007fb80cbea580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 6999 13:53:25.585131  # [   60.978574] CS:  001<6>[   61.360815] lkdtm: attempting bad refcount_add_not_zero() from saturated

 7000 13:53:25.588936  0 DS: 0000 ES: 0000 CR0: 0000000080050033

 7001 13:53:25.595768  # [   60.984655] CR2: 00007fb80c9ea000 CR3: 0000000102c7c000 CR4: 00000000001506e0

 7002 13:53:25.598489  # [   60.992127] Call Trace:

 7003 13:53:25.601898  # [   60.994894]  ? __warn+0x80/0x110

 7004 13:53:25.605138  # [   60.998462]  ? refcount_warn_saturate+0x97/0x110

 7005 13:53:25.611687  # [  <4>[   61.389989] ------------[ cut here ]------------

 7006 13:53:25.615201   61.003436]  ? report_bug+0x9e/0xc0

 7007 13:53:25.618377  # [   61.007260]  ? handle_bug+0x41/0x90

 7008 13:53:25.621840  # [   61.011126]  ? exc_invalid_op+0x14/0x70

 7009 13:53:25.628197  # [   61.015309]  ? asm_exc_invalid_op+0x12/0x20

 7010 13:53:25.631777  # [   61.019835]  ? refcount_warn_saturate+0x97/0x110

 7011 13:53:25.638382  # [   61.024832]  ? refcou<4>[   61.417050] refcount_t: saturated; leaking memory.

 7012 13:53:25.641895  nt_warn_saturate+0x97/0x110

 7013 13:53:25.648310  # [   61.029810]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7014 13:53:25.651582  # [   61.035665]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 7015 13:53:25.658348  # [   61.041674]  direct_entry.cold+0x2c/0x38

 7016 13:53:25.661970  # [   61.045981]  full_proxy_write+0x56/0x80

 7017 13:53:25.671802  # <4>[   61.444331] WARNING: CPU: 0 PID: 2476 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7018 13:53:25.675108  [   61.050168]  vfs_write+0xea/0x3b0

 7019 13:53:25.677980  # [   61.053792]  ksys_write+0x68/0xf0

 7020 13:53:25.681255  # [   61.057492]  do_syscall_64+0x33/0x40

 7021 13:53:25.684874  # [   61.061366]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7022 13:53:25.687739  # [   61.066689] RIP: 0033:0x7fb80caf6473

 7023 13:53:25.731120  # [   61.070539] Code: 8b 15 21 <4>[   61.475173] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 7024 13:53:25.747655  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

 7025 13:53:25.763880  # [   61.089563] RSP: 002b:00007ffc4cdc63a8 EFLAGS: 00000246 ORIG_RAX:<4>[   61.537243] CPU: 0 PID: 2476 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 7026 13:53:25.764660   0000000000000001

 7027 13:53:25.770811  # [   61.097391] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb80caf6473

 7028 13:53:25.777390  # [   61.104782] RDX: 0000000000000020 RSI: 00007fb80c9ea000 RDI: 0000000000000001

 7029 13:53:25.790774  # [   61.112173] RBP: 00007fb80c9ea000 R08: 00007fb80c9e9010 R09: 000<4>[   61.567416] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7030 13:53:25.793799  0000000000000

 7031 13:53:25.799807  # [   61.119589] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7032 13:53:25.806688  # [   61.126986] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7033 13:53:25.809792  # [   61.134399] irq event stamp: 0

 7034 13:53:25.819917  # [   61.137718] hardirqs last  enab<4>[   61.595777] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7035 13:53:25.822918  led at (0): [<0000000000000000>] 0x0

 7036 13:53:25.829668  # [   61.144248] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 7037 13:53:25.839685  # [   61.152691] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 7038 13:53:25.859484  # [   61.161121] softirqs <4>[   61.623444] Code: 02 01 e8 66 e6 c5 00 0f 0b e9 75 ca 04 01 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed a6 c6 05 24 00 17 02 01 e8 43 e6 c5 00 <0f> 0b e9 52 ca 04 01 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed

 7039 13:53:25.862608  last disabled at (0): [<0000000000000000>] 0x0

 7040 13:53:25.869094  # [   61.167646] ---[ end trace e32a66cc720e8174 ]---

 7041 13:53:25.872550  # [   61.172525] lkdtm: Saturation detected: still saturated

 7042 13:53:25.879033  # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7043 13:53:25.885742  ok 55 selftests: lkdtm: REFCOUNT_<4>[   61.664626] RSP: 0018:ffffacf9c480fe38 EFLAGS: 00010282

 7044 13:53:25.888822  INC_NOT_ZERO_SATURATED.sh

 7045 13:53:25.895623  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7046 13:53:25.902626  <4>[   61.692262] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7047 13:53:25.909404  <4>[   61.706828] RDX: ffff89a1eac2c620 RSI: ffff89a1eac1bf50 RDI: ffff89a1eac1bf50

 7048 13:53:25.915704  <4>[   61.714218] RBP: ffffffffa6f82108 R08: 0000000000000000 R09: 0000000000000000

 7049 13:53:25.922764  <4>[   61.721609] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7050 13:53:25.932188  <4>[   61.729036] R13: ffffacf9c480ff10 R14: ffffacf9c480ff10 R15: ffff89a1c350d000

 7051 13:53:25.938823  <4>[   61.736427] FS:  00007fc491b95580(0000) GS:ffff89a1eac00000(0000) knlGS:0000000000000000

 7052 13:53:25.945840  <4>[   61.744773] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7053 13:53:25.952199  <4>[   61.750778] CR2: 00007fc491962000 CR3: 0000000103122000 CR4: 00000000001506f0

 7054 13:53:25.955755  <4>[   61.758170] Call Trace:

 7055 13:53:25.958846  <4>[   61.760891]  ? __warn+0x80/0x110

 7056 13:53:25.965765  <4>[   61.764386]  ? refcount_warn_saturate+0x97/0x110

 7057 13:53:25.969809  <4>[   61.769269]  ? report_bug+0x9e/0xc0

 7058 13:53:25.972524  <4>[   61.773036]  ? handle_bug+0x41/0x90

 7059 13:53:25.975960  <4>[   61.776789]  ? exc_invalid_op+0x14/0x70

 7060 13:53:25.978793  <4>[   61.780890]  ? asm_exc_invalid_op+0x12/0x20

 7061 13:53:25.985661  <4>[   61.785343]  ? refcount_warn_saturate+0x97/0x110

 7062 13:53:25.989159  <4>[   61.790225]  ? refcount_warn_saturate+0x97/0x110

 7063 13:53:25.995703  <4>[   61.795107]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7064 13:53:26.002003  <4>[   61.800856]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 7065 13:53:26.005743  <4>[   61.806776]  direct_entry.cold+0x2c/0x38

 7066 13:53:26.008807  <4>[   61.810967]  full_proxy_write+0x56/0x80

 7067 13:53:26.015433  <4>[   61.815070]  vfs_write+0xea/0x3b0

 7068 13:53:26.018649  <4>[   61.818651]  ksys_write+0x68/0xf0

 7069 13:53:26.022531  <4>[   61.822233]  do_syscall_64+0x33/0x40

 7070 13:53:26.025570  <4>[   61.826074]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7071 13:53:26.032368  <4>[   61.831390] RIP: 0033:0x7fc491a6e473

 7072 13:53:26.049030  <4>[   61.835233] 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

 7073 13:53:26.058492  <4>[   61.854238] RSP: 002b:00007ffee2804138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7074 13:53:26.065031  <4>[   61.862067] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc491a6e473

 7075 13:53:26.072067  <4>[   61.869459] RDX: 0000000000000020 RSI: 00007fc491962000 RDI: 0000000000000001

 7076 13:53:26.078441  <4>[   61.876850] RBP: 00007fc491962000 R08: 00007fc491961010 R09: 0000000000000000

 7077 13:53:26.088262  <4>[   61.884241] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7078 13:53:26.095138  <4>[   61.891633] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7079 13:53:26.098481  <4>[   61.899032] irq event stamp: 0

 7080 13:53:26.104706  <4>[   61.902349] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7081 13:53:26.111494  <4>[   61.908876] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 7082 13:53:26.121260  <4>[   61.917319] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 7083 13:53:26.128271  <4>[   61.925751] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7084 13:53:26.131365  <4>[   61.932275] ---[ end trace e32a66cc720e8175 ]---

 7085 13:53:26.137760  <6>[   61.937154] lkdtm: Saturation detected: still saturated

 7086 13:53:26.178411  # [   61.335323] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 7087 13:53:26.184823  # [   61.360815] lkdtm: attempting bad refcount_add_not_zero() from saturated

 7088 13:53:26.188070  # [   61.389989] ------------[ cut here ]------------

 7089 13:53:26.194823  # [   61.417050] refcount_t: saturated; leaking memory.

 7090 13:53:26.200824  # [   61.444331] WARNING: CPU: 0 PID: 2476 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7091 13:53:26.240691  # [   61.475173] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 7092 13:53:26.251055  # [   61.537243] CPU: 0 PID: 2476 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 7093 13:53:26.257168  # [   61.567416] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7094 13:53:26.260906  # [   61.595777] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7095 13:53:26.280921  # [   61.623444] Code: 02 01 e8 66 e6 c5 00 0f 0b e9 75 ca 04 01 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed a6 c6 05 24 00 17 02 01 e8 43 e6 c5 00 <0f> 0b e9 52 ca 04 01 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed

 7096 13:53:26.287125  # [   61.664626] RSP: 0018:ffffacf9c480fe38 EFLAGS: 00010282

 7097 13:53:26.293808  # [   61.692262] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7098 13:53:26.300522  # [   61.706828] RDX: ffff89a1eac2c620 RSI: ffff89a1eac1bf50 RDI: ffff89a1eac1bf50

 7099 13:53:26.307217  # [   61.714218] RBP: ffffffffa6f82108 R08: 0000000000000000 R09: 0000000000000000

 7100 13:53:26.313881  # [   <6>[   62.105599] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7101 13:53:26.320599  61.721609] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7102 13:53:26.330547  # [   61.729036] R13: ffffacf9c480ff10 R14: ffffacf9c480ff10 R15: ffff89a1c350d000

 7103 13:53:26.336874  # [   61.736427] FS:  00007fc491b95580(0000) GS:ffff89a1eac00000(0000) knlGS:0000000000000000

 7104 13:53:26.343645  <6>[   62.119905] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7105 13:53:26.344071  

 7106 13:53:26.349909  # [   61.744773] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7107 13:53:26.357045  # [   61.750778] CR2: 00007fc491962000 CR3: 0000000103122000 CR4: 00000000001506f0

 7108 13:53:26.359992  # [   61.758170] Call Trace:

 7109 13:53:26.363276  # [   61.760891]  ? __warn+0x80/0x110

 7110 13:53:26.370026  # [   61.764386]  ? refcount_warn_<4>[   62.149079] ------------[ cut here ]------------

 7111 13:53:26.373112  saturate+0x97/0x110

 7112 13:53:26.376572  # [   61.769269]  ? report_bug+0x9e/0xc0

 7113 13:53:26.379839  # [   61.773036]  ? handle_bug+0x41/0x90

 7114 13:53:26.382872  # [   61.776789]  ? exc_invalid_op+0x14/0x70

 7115 13:53:26.389167  # [   61.780890]  ? asm_exc_invalid_op+0x12/0x20

 7116 13:53:26.392880  # [   61.785343]  ? refcount_warn_saturate+0x97/0x110

 7117 13:53:26.399991  <4>[   62.176161] refcount_t: underflow; use-after-free.

 7118 13:53:26.403026  # [   61.790225]  ? refcount_warn_saturate+0x97/0x110

 7119 13:53:26.409461  # [   61.795107]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7120 13:53:26.416028  # [   61.800856]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 7121 13:53:26.419404  # [   61.806776]  direct_entry.cold+0x2c/0x38

 7122 13:53:26.429488  # [   61.810967]  full<4>[   62.203569] WARNING: CPU: 1 PID: 2512 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7123 13:53:26.432748  _proxy_write+0x56/0x80

 7124 13:53:26.435883  # [   61.815070]  vfs_write+0xea/0x3b0

 7125 13:53:26.438956  # [   61.818651]  ksys_write+0x68/0xf0

 7126 13:53:26.442858  # [   61.822233]  do_syscall_64+0x33/0x40

 7127 13:53:26.445738  # [   61.826074]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7128 13:53:26.452183  # [   61.831390] RIP: 0033:0x7fc491a6e473

 7129 13:53:26.492439  # [   <4>[   62.234297] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 7130 13:53:26.508481  61.835233] 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

 7131 13:53:26.521767  # [   61.854238] RSP: 002b:00007ffee2804138 <4>[   62.296358] CPU: 1 PID: 2512 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 7132 13:53:26.525069  EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7133 13:53:26.532113  # [   61.862067] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc491a6e473

 7134 13:53:26.541571  # [   61.869459] RDX: 0000000000000020 RSI: 00007fc491962000 RDI: 0000000000000001

 7135 13:53:26.551685  # [   61.876850] RBP: 00007fc491962000 R08:<4>[   62.326539] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7136 13:53:26.554898   00007fc491961010 R09: 0000000000000000

 7137 13:53:26.561486  # [   61.884241] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7138 13:53:26.568101  # [   61.891633] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7139 13:53:26.571262  # [   61.899032] irq event stamp: 0

 7140 13:53:26.578050  # [   61.9<4>[   62.354863] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7141 13:53:26.584349  02349] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7142 13:53:26.590922  # [   61.908876] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 7143 13:53:26.600843  # [   61.917319] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 7144 13:53:26.617570  <4>[   62.382525] Code: 02 01 e8 43 e6 c5 00 0f 0b e9 52 ca 04 01 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed a6 c6 05 fe ff 16 02 01 e8 20 e6 c5 00 <0f> 0b e9 2f ca 04 01 80 3d e9 ff 16 02 00 0f 85 5e ff ff ff 48 c7

 7145 13:53:26.624480  # [   61.925751] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7146 13:53:26.630764  # [   61.932275] ---[ end trace e32a66cc720e8175 ]---

 7147 13:53:26.634061  # [   61.937154] lkdtm: Saturation detected: still saturated

 7148 13:53:26.640746  # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7149 13:53:26.647522  ok 56 s<4>[   62.423710] RSP: 0018:ffffacf9c48a7e40 EFLAGS: 00010286

 7150 13:53:26.650765  elftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7151 13:53:26.657532  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7152 13:53:26.663978  <4>[   62.451367] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7153 13:53:26.670405  <4>[   62.468197] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 7154 13:53:26.677101  <4>[   62.475643] RBP: ffffffffa6f82128 R08: 0000000000000000 R09: 0000000000000000

 7155 13:53:26.686937  <4>[   62.483092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7156 13:53:26.693427  <4>[   62.490536] R13: ffffacf9c48a7f10 R14: ffffacf9c48a7f10 R15: ffff89a1c341e000

 7157 13:53:26.700376  <4>[   62.497992] FS:  00007f1d6681a580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 7158 13:53:26.706677  <4>[   62.506435] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7159 13:53:26.716777  <4>[   62.512520] CR2: 00007f1d665ea000 CR3: 0000000102c66000 CR4: 00000000001506e0

 7160 13:53:26.717428  <4>[   62.520011] Call Trace:

 7161 13:53:26.722978  <4>[   62.522808]  ? __warn+0x80/0x110

 7162 13:53:26.726615  <4>[   62.526527]  ? refcount_warn_saturate+0xba/0x110

 7163 13:53:26.730015  <4>[   62.531484]  ? report_bug+0x9e/0xc0

 7164 13:53:26.733369  <4>[   62.535362]  ? handle_bug+0x41/0x90

 7165 13:53:26.739873  <4>[   62.539210]  ? exc_invalid_op+0x14/0x70

 7166 13:53:26.742943  <4>[   62.543364]  ? asm_exc_invalid_op+0x12/0x20

 7167 13:53:26.746570  <4>[   62.547909]  ? refcount_warn_saturate+0xba/0x110

 7168 13:53:26.752839  <4>[   62.552858]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7169 13:53:26.759641  <4>[   62.558655]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7170 13:53:26.762737  <4>[   62.564715]  direct_entry.cold+0x2c/0x38

 7171 13:53:26.769649  <4>[   62.568998]  full_proxy_write+0x56/0x80

 7172 13:53:26.772622  <4>[   62.573200]  vfs_write+0xea/0x3b0

 7173 13:53:26.776094  <4>[   62.576899]  ksys_write+0x68/0xf0

 7174 13:53:26.779408  <4>[   62.580658]  do_syscall_64+0x33/0x40

 7175 13:53:26.786019  <4>[   62.584622]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7176 13:53:26.789313  <4>[   62.590017] RIP: 0033:0x7f1d666f6473

 7177 13:53:26.809412  <4>[   62.593968] 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

 7178 13:53:26.815645  <4>[   62.613066] RSP: 002b:00007ffe0fb35488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7179 13:53:26.822515  <4>[   62.620954] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1d666f6473

 7180 13:53:26.832261  <4>[   62.628490] RDX: 0000000000000020 RSI: 00007f1d665ea000 RDI: 0000000000000001

 7181 13:53:26.839123  <4>[   62.635959] RBP: 00007f1d665ea000 R08: 00007f1d665e9010 R09: 0000000000000000

 7182 13:53:26.845505  <4>[   62.643480] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7183 13:53:26.852437  <4>[   62.650888] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7184 13:53:26.855600  <4>[   62.658318] irq event stamp: 0

 7185 13:53:26.862225  <4>[   62.661647] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7186 13:53:26.872078  <4>[   62.668174] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 7187 13:53:26.878420  <4>[   62.676604] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 7188 13:53:26.884933  <4>[   62.685057] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7189 13:53:26.891947  <4>[   62.691587] ---[ end trace e32a66cc720e8176 ]---

 7190 13:53:26.898194  <6>[   62.696466] lkdtm: Saturation detected: still saturated

 7191 13:53:26.942940  # [   62.105599] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7192 13:53:26.949746  # [   62.119905] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7193 13:53:26.953021  # [   62.149079] ------------[ cut here ]------------

 7194 13:53:26.959767  # [   62.176161] refcount_t: underflow; use-after-free.

 7195 13:53:26.966630  # [   62.203569] WARNING: CPU: 1 PID: 2512 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7196 13:53:27.005796  # [   62.234297] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 7197 13:53:27.015701  # [   62.296358] CPU: 1 PID: 2512 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 7198 13:53:27.018943  # [   62.326539] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7199 13:53:27.025528  # [   62.354863] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7200 13:53:27.045056  # [   62.382525] Code: 02 01 e8 43 e6 c5 00 0f 0b e9 52 ca 04 01 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed a6 c6 05 fe ff 16 02 01 e8 20 e6 c5 00 <0f> 0b e9 2f ca 04 01 80 3d e9 ff 16 02 00 0f 85 5e ff ff ff 48 c7

 7201 13:53:27.048690  # [   62.423710] RSP: 0018:ffffacf9c48a7e40 EFLAGS: 00010286

 7202 13:53:27.058625  # [   62.451367] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7203 13:53:27.065215  # [   62.468197] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 7204 13:53:27.071445  # [   62.475643] RBP: ffffffffa6f82128 R08: 0000000000000000 R09: 0000000000000000

 7205 13:53:27.078370  # [   62.483092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7206 13:53:27.085202  # [   62.490536] R13: ffffacf9c48a7f10 R14: ffffacf9c48a7f10 R15: ffff89a1c341e000

 7207 13:53:27.094804  # [   62.497992] FS:  00007f1d6681a580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 7208 13:53:27.105141  # [   62.506435] CS:  001<6>[   62.879609] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7209 13:53:27.107938  0 DS: 0000 ES: 0000 CR0: 0000000080050033

 7210 13:53:27.114729  # [   62.512520] CR2: 00007f1d665ea000 CR3: 0000000102c66000 CR4: 00000000001506e0

 7211 13:53:27.117724  # [   62.520011] Call Trace:

 7212 13:53:27.121378  # [   62.522808]  ? __warn+0x80/0x110

 7213 13:53:27.124484  # [   62.526527]  ? refcount_warn_saturate+0xba/0x110

 7214 13:53:27.134349  # [  <6>[   62.908911] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7215 13:53:27.137857   62.531484]  ? report_bug+0x9e/0xc0

 7216 13:53:27.140906  # [   62.535362]  ? handle_bug+0x41/0x90

 7217 13:53:27.144275  # [   62.539210]  ? exc_invalid_op+0x14/0x70

 7218 13:53:27.147851  # [   62.543364]  ? asm_exc_invalid_op+0x12/0x20

 7219 13:53:27.154111  # [   62.547909]  ? refcount_warn_saturate+0xba/0x110

 7220 13:53:27.160852  # [   62.552858]  __refcou<4>[   62.938058] ------------[ cut here ]------------

 7221 13:53:27.164339  nt_sub_and_test.constprop.0+0x3c/0x50

 7222 13:53:27.170945  # [   62.558655]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7223 13:53:27.174045  # [   62.564715]  direct_entry.cold+0x2c/0x38

 7224 13:53:27.177190  # [   62.568998]  full_proxy_write+0x56/0x80

 7225 13:53:27.180861  # [   62.573200]  vfs_write+0xea/0x3b0

 7226 13:53:27.187229  # [   62.576899] <4>[   62.965127] refcount_t: underflow; use-after-free.

 7227 13:53:27.190714   ksys_write+0x68/0xf0

 7228 13:53:27.194169  # [   62.580658]  do_syscall_64+0x33/0x40

 7229 13:53:27.197165  # [   62.584622]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7230 13:53:27.200938  # [   62.590017] RIP: 0033:0x7f1d666f6473

 7231 13:53:27.216906  # [   62.593968] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1<4>[   62.992403] WARNING: CPU: 1 PID: 2548 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7232 13:53:27.230032  f 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

 7233 13:53:27.236906  # [   62.613066] RSP: 002b:00007ffe0fb35488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7234 13:53:27.280017  # [   62.620954] RAX: ffffffffffffff<4>[   63.023297] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 7235 13:53:27.283299  da RBX: 0000000000000020 RCX: 00007f1d666f6473

 7236 13:53:27.293328  # [   62.628490] RDX: 0000000000000020 RSI: 00007f1d665ea000 RDI: 0000000000000001

 7237 13:53:27.299597  # [   62.635959] RBP: 00007f1d665ea000 R08: 00007f1d665e9010 R09: 0000000000000000

 7238 13:53:27.310077  # [   62.643480] R10: fffffffffffffbc5 R<4>[   63.085354] CPU: 1 PID: 2548 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 7239 13:53:27.313052  11: 0000000000000246 R12: 0000000000000001

 7240 13:53:27.323129  # [   62.650888] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7241 13:53:27.326213  # [   62.658318] irq event stamp: 0

 7242 13:53:27.333033  # [   62.661647] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7243 13:53:27.339465  # [   62.668174] <4>[   63.115510] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7244 13:53:27.346072  hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 7245 13:53:27.352550  # [   62.676604] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 7246 13:53:27.359179  # [   62.685057] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7247 13:53:27.365937  # [   6<4>[   63.143851] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7248 13:53:27.372504  2.691587] ---[ end trace e32a66cc720e8176 ]---

 7249 13:53:27.375759  # [   62.696466] lkdtm: Saturation detected: still saturated

 7250 13:53:27.382281  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7251 13:53:27.388897  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7252 13:53:27.408727  # s<4>[   63.171488] Code: 02 01 e8 43 e6 c5 00 0f 0b e9 52 ca 04 01 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed a6 c6 05 fe ff 16 02 01 e8 20 e6 c5 00 <0f> 0b e9 2f ca 04 01 80 3d e9 ff 16 02 00 0f 85 5e ff ff ff 48 c7

 7253 13:53:27.411982  elftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7254 13:53:27.418862  <4>[   63.212685] RSP: 0018:ffffacf9c491fe40 EFLAGS: 00010286

 7255 13:53:27.425413  <4>[   63.222741] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7256 13:53:27.432194  <4>[   63.230172] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 7257 13:53:27.442044  <4>[   63.237603] RBP: ffffffffa6f82148 R08: 0000000000000000 R09: 0000000000000000

 7258 13:53:27.448254  <4>[   63.245035] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7259 13:53:27.454729  <4>[   63.252475] R13: ffffacf9c491ff10 R14: ffffacf9c491ff10 R15: ffff89a1c5cc4000

 7260 13:53:27.464750  <4>[   63.259928] FS:  00007f175e382580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 7261 13:53:27.468065  <4>[   63.268346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7262 13:53:27.478082  <4>[   63.274489] CR2: 00007f175e182000 CR3: 00000001035c4000 CR4: 00000000001506e0

 7263 13:53:27.480872  <4>[   63.281939] Call Trace:

 7264 13:53:27.484399  <4>[   63.284739]  ? __warn+0x80/0x110

 7265 13:53:27.487776  <4>[   63.288309]  ? refcount_warn_saturate+0xba/0x110

 7266 13:53:27.491089  <4>[   63.293254]  ? report_bug+0x9e/0xc0

 7267 13:53:27.497808  <4>[   63.297075]  ? handle_bug+0x41/0x90

 7268 13:53:27.500704  <4>[   63.300912]  ? exc_invalid_op+0x14/0x70

 7269 13:53:27.504214  <4>[   63.305064]  ? asm_exc_invalid_op+0x12/0x20

 7270 13:53:27.510873  <4>[   63.309565]  ? refcount_warn_saturate+0xba/0x110

 7271 13:53:27.513885  <4>[   63.314457]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7272 13:53:27.520838  <4>[   63.320203]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7273 13:53:27.523846  <4>[   63.326120]  direct_entry.cold+0x2c/0x38

 7274 13:53:27.530390  <4>[   63.330304]  full_proxy_write+0x56/0x80

 7275 13:53:27.533905  <4>[   63.334403]  vfs_write+0xea/0x3b0

 7276 13:53:27.537130  <4>[   63.338001]  ksys_write+0x68/0xf0

 7277 13:53:27.540798  <4>[   63.341588]  do_syscall_64+0x33/0x40

 7278 13:53:27.547020  <4>[   63.345428]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7279 13:53:27.550809  <4>[   63.350743] RIP: 0033:0x7f175e28e473

 7280 13:53:27.567023  <4>[   63.354582] 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

 7281 13:53:27.577138  <4>[   63.373606] RSP: 002b:00007ffd31d9fd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7282 13:53:27.584026  <4>[   63.381434] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f175e28e473

 7283 13:53:27.590218  <4>[   63.388817] RDX: 0000000000000020 RSI: 00007f175e182000 RDI: 0000000000000001

 7284 13:53:27.600521  <4>[   63.396208] RBP: 00007f175e182000 R08: 00007f175e181010 R09: 0000000000000000

 7285 13:53:27.606765  <4>[   63.403623] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7286 13:53:27.613443  <4>[   63.411021] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7287 13:53:27.616335  <4>[   63.418432] irq event stamp: 0

 7288 13:53:27.623202  <4>[   63.421750] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7289 13:53:27.633133  <4>[   63.428277] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 7290 13:53:27.640013  <4>[   63.436720] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 7291 13:53:27.646464  <4>[   63.445151] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7292 13:53:27.652617  <4>[   63.451674] ---[ end trace e32a66cc720e8177 ]---

 7293 13:53:27.656338  <6>[   63.456552] lkdtm: Saturation detected: still saturated

 7294 13:53:27.702791  # [   62.879609] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7295 13:53:27.709315  # [   62.908911] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7296 13:53:27.712644  # [   62.938058] ------------[ cut here ]------------

 7297 13:53:27.718890  # [   62.965127] refcount_t: underflow; use-after-free.

 7298 13:53:27.725884  # [   62.992403] WARNING: CPU: 1 PID: 2548 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7299 13:53:27.765584  # [   63.023297] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger cros_ec_chardev gsmi cros_ec_dev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify snd_soc_da7219 snd_soc_adau7002 snd_soc_max98357a acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 7300 13:53:27.775180  # [   63.085354] CPU: 1 PID: 2548 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 7301 13:53:27.778768  # [   63.115510] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7302 13:53:27.785071  # [   63.143851] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7303 13:53:27.805048  # [   63.171488] Code: 02 01 e8 43 e6 c5 00 0f 0b e9 52 ca 04 01 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed a6 c6 05 fe ff 16 02 01 e8 20 e6 c5 00 <0f> 0b e9 2f ca 04 01 80 3d e9 ff 16 02 00 0f 85 5e ff ff ff 48 c7

 7304 13:53:27.808724  # [   63.212685] RSP: 0018:ffffacf9c491fe40 EFLAGS: 00010286

 7305 13:53:27.818749  # [   63.222741] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7306 13:53:27.825076  # [   63.230172] RDX: ffff89a1ead2c620 RSI: ffff89a1ead1bf50 RDI: ffff89a1ead1bf50

 7307 13:53:27.831643  # [   63.237603] RBP: ffffffffa6f82148 R08: 0000000000000000 R09: 0000000000000000

 7308 13:53:27.838409  # [   63.245035] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7309 13:53:27.844397  # [   63.252475] R13: ffffacf9c491ff10 R14: ffffacf9c491ff10 R15: ffff89a1c5cc4000

 7310 13:53:27.854858  # [   63.259928] FS:  00007f175e382580(0000) GS:ffff89a1ead00000(0000) knlGS:0000000000000000

 7311 13:53:27.861146  # [   63.268346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7312 13:53:27.867791  # [   63.274489] CR2: 00007f175e182000 CR3: 00000001035c4000 CR4: 00000000001506e0

 7313 13:53:27.871107  # [   63.281939] Call Trace:

 7314 13:53:27.874104  # [   63.284739]  ? __warn+0x80/0x110

 7315 13:53:27.877361  # [   63.288309]  ? refcount_warn_saturate+0xba/0x110

 7316 13:53:27.881135  # [   63.293254]  ? report_bug+0x9e/0xc0

 7317 13:53:27.884217  # [   63.297075]  ? handle_bug+0x41/0x90

 7318 13:53:27.890617  # [   63.300912]  ? exc_invalid_op+0x14/0x70

 7319 13:53:27.894274  # [   63.305064]  ? asm_exc_invalid_op+0x12/0x20

 7320 13:53:27.897505  # [   63.309565]  ? refcount_warn_saturate+0xba/0x110

 7321 13:53:27.904137  # [   63.314457]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7322 13:53:27.910393  # [   63.320203]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7323 13:53:27.913872  # [   63.326120]  direct_entry.cold+0x2c/0x38

 7324 13:53:27.917267  # [   63.330304]  full_proxy_write+0x56/0x80

 7325 13:53:27.920379  # [   63.334403]  vfs_write+0xea/0x3b0

 7326 13:53:27.923835  # [   63.338001]  ksys_write+0x68/0xf0

 7327 13:53:27.930231  # [   63.341588]  do_syscall_64+0x33/0x40

 7328 13:53:27.933592  # [   63.345428]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7329 13:53:27.937076  # [   63.350743] RIP: 0033:0x7f175e28e473

 7330 13:53:27.956486  # [   63.354582] 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

 7331 13:53:27.963351  # [   63.373606] RSP: 002b:00007ffd31d9fd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7332 13:53:27.973312  # [   63.381434] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f175e28e473

 7333 13:53:27.979772  # [   63.388817] RDX: 0000000000000020 RSI: 00007f175e182000 RDI: 0000000000000001

 7334 13:53:27.989797  # [   63.396208] RBP: 00007f175e182000 R08:<6>[   63.772584] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7335 13:53:27.993096   00007f175e181010 R09: 0000000000000000

 7336 13:53:27.999858  # [   63.403623] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7337 13:53:28.006118  # [   63.411021] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7338 13:53:28.009686  # [   63.418432] irq event stamp: 0

 7339 13:53:28.016515  # [   63.4<6>[   63.794277] lkdtm: attempting good copy_to_user of correct size

 7340 13:53:28.022899  21750] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7341 13:53:28.032852  # [   63.428277] hardirqs last disabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 7342 13:53:28.039580  # [   63.436720] softirqs last  enabled at (0): [<ffffffffa4efd6cc>] copy_process+0x65c/0x20e0

 7343 13:53:28.046206  <6>[   63.822692] lkdtm: attempting bad copy_to_user of too large size

 7344 13:53:28.052893  # [   63.445151] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7345 13:53:28.056010  # [   63.451674] ---[ end trace e32a66cc720e8177 ]---

 7346 13:53:28.062785  # [   63.456552] lkdtm: Saturation detected: still saturated

 7347 13:53:28.069353  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7348 13:53:28.076148  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7349 13:53:28.079341  # selftests: lkdtm: REFCOUNT_TIMING.sh

 7350 13:53:28.082673  # Skipping REFCOUNT_TIMING: timing only

 7351 13:53:28.086211  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 7352 13:53:28.089348  # selftests: lkdtm: ATOMIC_TIMING.sh

 7353 13:53:28.092596  # Skipping ATOMIC_TIMING: timing only

 7354 13:53:28.095896  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 7355 13:53:28.102715  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 7356 13:53:28.105798  # [   63.772584] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7357 13:53:28.112454  # [   63.794277] lkdtm: attempting good copy_to_user of correct size

 7358 13:53:28.119147  # [   63.822692] lkdtm: attempting bad copy_to_user of too large size

 7359 13:53:28.125658  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 7360 13:53:28.129331  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 7361 13:53:28.135544  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 7362 13:53:28.185894  <6>[   63.986124] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7363 13:53:28.192689  <6>[   63.992579] lkdtm: attempting good copy_from_user of correct size

 7364 13:53:28.199171  <6>[   63.998963] lkdtm: attempting bad copy_from_user of too large size

 7365 13:53:28.229722  # [   63.986124] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7366 13:53:28.236135  # [   63.992579] lkdtm: attempting good copy_from_user of correct size

 7367 13:53:28.243353  # [   63.998963] lkdtm: attempting bad copy_from_user of too large size

 7368 13:53:28.249825  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 7369 13:53:28.252749  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 7370 13:53:28.259298  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 7371 13:53:28.345255  <6>[   64.142223] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7372 13:53:28.348875  <6>[   64.148939] lkdtm: attempting good copy_to_user inside whitelist

 7373 13:53:28.355399  <6>[   64.155251] lkdtm: attempting bad copy_to_user outside whitelist

 7374 13:53:28.396191  # [   64.142223] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7375 13:53:28.403317  # [   64.148939] lkdtm: attempting good copy_to_user inside whitelist

 7376 13:53:28.409331  # [   64.155251] lkdtm: attempting bad copy_to_user outside whitelist

 7377 13:53:28.416439  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 7378 13:53:28.422844  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 7379 13:53:28.426261  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 7380 13:53:28.515599  <6>[   64.312255] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7381 13:53:28.521869  <6>[   64.319142] lkdtm: attempting good copy_from_user inside whitelist

 7382 13:53:28.525777  <6>[   64.325628] lkdtm: attempting bad copy_from_user outside whitelist

 7383 13:53:28.562687  # [   64.312255] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7384 13:53:28.566248  # [   64.319142] lkdtm: attempting good copy_from_user inside whitelist

 7385 13:53:28.572621  # [   64.325628] lkdtm: attempting bad copy_from_user outside whitelist

 7386 13:53:28.579352  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 7387 13:53:28.586018  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 7388 13:53:28.589077  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 7389 13:53:28.672410  <6>[   64.472509] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7390 13:53:28.679278  <6>[   64.478954] lkdtm: good_stack: ffffacf9c4ccfe20-ffffacf9c4ccfe40

 7391 13:53:28.685862  <6>[   64.485249] lkdtm: bad_stack : ffffacf9c4ccfda8-ffffacf9c4ccfdc8

 7392 13:53:28.692081  <6>[   64.491529] lkdtm: attempting good copy_to_user of local stack

 7393 13:53:28.698600  <6>[   64.497628] lkdtm: attempting bad copy_to_user of distant stack

 7394 13:53:28.728533  # [   64.472509] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7395 13:53:28.735226  # [   64.478954] lkdtm: good_stack: ffffacf9c4ccfe20-ffffacf9c4ccfe40

 7396 13:53:28.741843  # [   64.485249] lkdtm: bad_stack : ffffacf9c4ccfda8-ffffacf9c4ccfdc8

 7397 13:53:28.748219  # [   64.491529] lkdtm: attempting good copy_to_user of local stack

 7398 13:53:28.754898  # [   64.497628] lkdtm: attempting bad copy_to_user of distant stack

 7399 13:53:28.757928  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 7400 13:53:28.764913  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 7401 13:53:28.768103  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 7402 13:53:28.836623  <6>[   64.636792] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7403 13:53:28.843357  <6>[   64.643419] lkdtm: good_stack: ffffacf9c4d5fe20-ffffacf9c4d5fe40

 7404 13:53:28.849612  <6>[   64.649738] lkdtm: bad_stack : ffffacf9c4d5fda8-ffffacf9c4d5fdc8

 7405 13:53:28.856577  <6>[   64.656153] lkdtm: attempting good copy_from_user of local stack

 7406 13:53:28.862858  <6>[   64.662619] lkdtm: attempting bad copy_from_user of distant stack

 7407 13:53:28.897425  # [   64.636792] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7408 13:53:28.904118  # [   64.643419] lkdtm: good_stack: ffffacf9c4d5fe20-ffffacf9c4d5fe40

 7409 13:53:28.911000  # [   64.649738] lkdtm: bad_stack : ffffacf9c4d5fda8-ffffacf9c4d5fdc8

 7410 13:53:28.917468  # [   64.656153] lkdtm: attempting good copy_from_user of local stack

 7411 13:53:28.923891  # [   64.662619] lkdtm: attempting bad copy_from_user of distant stack

 7412 13:53:28.930561  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 7413 13:53:28.933643  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 7414 13:53:28.940538  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 7415 13:53:29.035421  <6>[   64.835039] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7416 13:53:29.042299  <6>[   64.841319] lkdtm: good_stack: ffffacf9c4ddfe20-ffffacf9c4ddfe40

 7417 13:53:29.048460  <6>[   64.847639] lkdtm: bad_stack : ffffacf9c4ddfff8-ffffacf9c4de0018

 7418 13:53:29.055274  <6>[   64.853928] lkdtm: attempting good copy_to_user of local stack

 7419 13:53:29.061739  <6>[   64.860026] lkdtm: attempting bad copy_to_user of distant stack

 7420 13:53:29.068172  <4>[   64.866210] lkdtm: copy_to_user failed, but lacked Oops

 7421 13:53:29.101641  # [   64.835039] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7422 13:53:29.107941  # [   64.841319] lkdtm: good_stack: ffffacf9c4ddfe20-ffffacf9c4ddfe40

 7423 13:53:29.114836  # [   64.847639] lkdtm: bad_stack : ffffacf9c4ddfff8-ffffacf9c4de0018

 7424 13:53:29.121071  # [   64.853928] lkdtm: attempting good copy_to_user of local stack

 7425 13:53:29.127895  # [   64.860026] lkdtm: attempting bad copy_to_user of distant stack

 7426 13:53:29.131094  # [   64.866210] lkdtm: copy_to_user failed, but lacked Oops

 7427 13:53:29.137858  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 7428 13:53:29.141067  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 7429 13:53:29.147689  # selftests: lkdtm: USERCOPY_KERNEL.sh

 7430 13:53:29.240628  <6>[   65.040575] lkdtm: Performing direct entry USERCOPY_KERNEL

 7431 13:53:29.250527  <6>[   65.046328] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa6af8550

 7432 13:53:29.257284  <6>[   65.054379] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa50e2a80

 7433 13:53:29.263747  <3>[   65.062149] lkdtm: FAIL: survived bad copy_to_user()

 7434 13:53:29.306826  # [   65.040575] lkdtm: Performing direct entry USERCOPY_KERNEL

 7435 13:53:29.316713  # [   65.046328] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa6af8550

 7436 13:53:29.323029  # [   65.054379] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa50e2a80

 7437 13:53:29.326075  # [   65.062149] lkdtm: FAIL: survived bad copy_to_user()

 7438 13:53:29.332832  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 7439 13:53:29.336381  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 7440 13:53:29.339415  # selftests: lkdtm: STACKLEAK_ERASING.sh

 7441 13:53:29.466607  <6>[   65.266557] lkdtm: Performing direct entry STACKLEAK_ERASING

 7442 13:53:29.473298  <6>[   65.272483] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7443 13:53:29.483011  <3>[   65.279840] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7444 13:53:29.489828  <3>[   65.287059] lkdtm: FAIL: the thread stack is NOT properly erased

 7445 13:53:29.496472  <4>[   65.293344] CPU: 1 PID: 2924 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 7446 13:53:29.502995  <4>[   65.301334] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7447 13:53:29.506080  <4>[   65.307504] Call Trace:

 7448 13:53:29.509689  <4>[   65.310218]  dump_stack+0x77/0x9b

 7449 13:53:29.513132  <4>[   65.313791]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7450 13:53:29.519825  <4>[   65.318661]  direct_entry.cold+0x2c/0x38

 7451 13:53:29.522874  <4>[   65.322861]  full_proxy_write+0x56/0x80

 7452 13:53:29.526616  <4>[   65.326952]  vfs_write+0xea/0x3b0

 7453 13:53:29.529772  <4>[   65.330523]  ksys_write+0x68/0xf0

 7454 13:53:29.533120  <4>[   65.334097]  do_syscall_64+0x33/0x40

 7455 13:53:29.539887  <4>[   65.337927]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7456 13:53:29.542973  <4>[   65.343232] RIP: 0033:0x7f37004f6473

 7457 13:53:29.563167  <4>[   65.347061] 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

 7458 13:53:29.569699  <4>[   65.366056] RSP: 002b:00007ffcbadae098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7459 13:53:29.575880  <4>[   65.373873] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f37004f6473

 7460 13:53:29.582938  <4>[   65.381254] RDX: 0000000000000012 RSI: 00007f37003ea000 RDI: 0000000000000001

 7461 13:53:29.592739  <4>[   65.388636] RBP: 00007f37003ea000 R08: 00007f37003e9010 R09: 0000000000000000

 7462 13:53:29.599360  <4>[   65.396019] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7463 13:53:29.605816  <4>[   65.403399] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7464 13:53:29.667552  # [   65.266557] lkdtm: Performing direct entry STACKLEAK_ERASING

 7465 13:53:29.674550  # [   65.272483] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7466 13:53:29.684282  # [   65.279840] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7467 13:53:29.687226  # [   65.287059] lkdtm: FAIL: the thread stack is NOT properly erased

 7468 13:53:29.697607  # [   65.293344] CPU: 1 PID: 2924 Comm: cat Tainted: G      D W         5.10.201-cip41 #1

 7469 13:53:29.704146  # [   65.301334] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7470 13:53:29.704765  # [   65.307504] Call Trace:

 7471 13:53:29.710462  # [   65.310218]  dump_stack+0x77/0x9b

 7472 13:53:29.714056  # [   65.313791]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7473 13:53:29.717175  # [   65.318661]  direct_entry.cold+0x2c/0x38

 7474 13:53:29.720673  # [   65.322861]  full_proxy_write+0x56/0x80

 7475 13:53:29.723769  # [   65.326952]  vfs_write+0xea/0x3b0

 7476 13:53:29.726835  # [   65.330523]  ksys_write+0x68/0xf0

 7477 13:53:29.734025  # [   65.334097]  do_syscall_64+0x33/0x40

 7478 13:53:29.737227  # [   65.337927]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7479 13:53:29.740329  # [   65.343232] RIP: 0033:0x7f37004f6473

 7480 13:53:29.759837  # [   65.347061] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7481 13:53:29.766514  # [   65.366056] RSP: 002b:00007ffcbadae098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7482 13:53:29.776653  # [   65.373873] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f37004f6473

 7483 13:53:29.782873  # [   65.381254] RDX: 0000000000000012 RSI: 00007f37003ea000 RDI: 0000000000000001

 7484 13:53:29.789714  # [   65.388636] RBP: 00007f37003ea000 R08: 00007f37003e9010 R09: 0000000000000000

 7485 13:53:29.796086  # [   65.396019] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7486 13:53:29.802750  # [   65.403399] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7487 13:53:29.812667  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 7488 13:53:29.815854  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 7489 13:53:29.822674  # self<6>[   65.605387] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7490 13:53:29.825660  tests: lkdtm: CFI_FORWARD_PROTO.sh

 7491 13:53:29.832514  <6>[   65.628703] lkdtm: Calling matched prototype ...

 7492 13:53:29.835743  <6>[   65.636702] lkdtm: Calling mismatched prototype ...

 7493 13:53:29.842490  <6>[   65.641841] lkdtm: Fail: survived mismatched prototype function call!

 7494 13:53:29.876811  # [   65.605387] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7495 13:53:29.882871  # [   65.628703] lkdtm: Calling matched prototype ...

 7496 13:53:29.886594  # [   65.636702] lkdtm: Calling mismatched prototype ...

 7497 13:53:29.893035  # [   65.641841] lkdtm: Fail: survived mismatched prototype function call!

 7498 13:53:29.899908  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 7499 13:53:29.903434  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 7500 13:53:30.468580  lkdtm_PANIC_sh_selftests_lkdtm_panic_sh skip

 7501 13:53:30.469140  lkdtm_BUG_sh pass

 7502 13:53:30.471814  lkdtm_WARNING_sh pass

 7503 13:53:30.474995  lkdtm_WARNING_MESSAGE_sh pass

 7504 13:53:30.475461  lkdtm_EXCEPTION_sh pass

 7505 13:53:30.478521  lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip

 7506 13:53:30.484938  lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip

 7507 13:53:30.491847  lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip

 7508 13:53:30.498317  lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh skip

 7509 13:53:30.501411  lkdtm_CORRUPT_LIST_ADD_sh fail

 7510 13:53:30.501874  lkdtm_CORRUPT_LIST_DEL_sh fail

 7511 13:53:30.504716  lkdtm_STACK_GUARD_PAGE_LEADING_sh pass

 7512 13:53:30.508174  lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass

 7513 13:53:30.511379  lkdtm_UNSET_SMEP_sh pass

 7514 13:53:30.518077  lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh skip

 7515 13:53:30.521445  lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip

 7516 13:53:30.531168  lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip

 7517 13:53:30.537529  lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip

 7518 13:53:30.540538  lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip

 7519 13:53:30.543999  lkdtm_READ_AFTER_FREE_sh fail

 7520 13:53:30.551064  lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh skip

 7521 13:53:30.554576  lkdtm_READ_BUDDY_AFTER_FREE_sh fail

 7522 13:53:30.557614  lkdtm_SLAB_FREE_DOUBLE_sh fail

 7523 13:53:30.560761  lkdtm_SLAB_FREE_CROSS_sh fail

 7524 13:53:30.564474  lkdtm_SLAB_FREE_PAGE_sh fail

 7525 13:53:30.567607  lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh skip

 7526 13:53:30.573816  lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip

 7527 13:53:30.577636  lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip

 7528 13:53:30.580764  lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh skip

 7529 13:53:30.583777  lkdtm_EXEC_DATA_sh pass

 7530 13:53:30.587004  lkdtm_EXEC_STACK_sh pass

 7531 13:53:30.590751  lkdtm_EXEC_KMALLOC_sh pass

 7532 13:53:30.590996  lkdtm_EXEC_VMALLOC_sh pass

 7533 13:53:30.593742  lkdtm_EXEC_RODATA_sh pass

 7534 13:53:30.596735  lkdtm_EXEC_USERSPACE_sh pass

 7535 13:53:30.597058  lkdtm_EXEC_NULL_sh pass

 7536 13:53:30.600294  lkdtm_ACCESS_USERSPACE_sh fail

 7537 13:53:30.603458  lkdtm_ACCESS_NULL_sh pass

 7538 13:53:30.607155  lkdtm_WRITE_RO_sh pass

 7539 13:53:30.610344  lkdtm_WRITE_RO_AFTER_INIT_sh pass

 7540 13:53:30.610775  lkdtm_WRITE_KERN_sh pass

 7541 13:53:30.614084  lkdtm_REFCOUNT_INC_OVERFLOW_sh pass

 7542 13:53:30.617192  lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass

 7543 13:53:30.620425  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass

 7544 13:53:30.626824  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass

 7545 13:53:30.627240  lkdtm_REFCOUNT_DEC_ZERO_sh pass

 7546 13:53:30.630530  lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass

 7547 13:53:30.637004  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass

 7548 13:53:30.640266  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass

 7549 13:53:30.643312  lkdtm_REFCOUNT_INC_ZERO_sh pass

 7550 13:53:30.646887  lkdtm_REFCOUNT_ADD_ZERO_sh pass

 7551 13:53:30.650028  lkdtm_REFCOUNT_INC_SATURATED_sh pass

 7552 13:53:30.653090  lkdtm_REFCOUNT_DEC_SATURATED_sh pass

 7553 13:53:30.656508  lkdtm_REFCOUNT_ADD_SATURATED_sh pass

 7554 13:53:30.660106  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass

 7555 13:53:30.663383  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass

 7556 13:53:30.666206  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass

 7557 13:53:30.673145  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass

 7558 13:53:30.676285  lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh skip

 7559 13:53:30.683069  lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh skip

 7560 13:53:30.686124  lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail

 7561 13:53:30.689962  lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail

 7562 13:53:30.693081  lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail

 7563 13:53:30.696230  lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail

 7564 13:53:30.699460  lkdtm_USERCOPY_STACK_FRAME_TO_sh fail

 7565 13:53:30.702746  lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail

 7566 13:53:30.705860  lkdtm_USERCOPY_STACK_BEYOND_sh fail

 7567 13:53:30.709197  lkdtm_USERCOPY_KERNEL_sh fail

 7568 13:53:30.712940  lkdtm_STACKLEAK_ERASING_sh fail

 7569 13:53:30.715955  lkdtm_CFI_FORWARD_PROTO_sh fail

 7570 13:53:30.719243  + ../../utils/send-to-lava.sh ./output/result.txt

 7571 13:53:30.725866  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=shardfile-lkdtm RESULT=pass>

 7572 13:53:30.727647  Received signal: <TESTCASE> TEST_CASE_ID=shardfile-lkdtm RESULT=pass
 7574 13:53:30.732293  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_PANIC_sh_selftests_lkdtm_panic_sh RESULT=skip>

 7575 13:53:30.733010  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_PANIC_sh_selftests_lkdtm_panic_sh RESULT=skip
 7577 13:53:30.739004  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass>

 7578 13:53:30.739694  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass
 7580 13:53:30.742742  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass
 7582 13:53:30.745408  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass>

 7583 13:53:30.785648  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass>

 7584 13:53:30.786580  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass
 7586 13:53:30.839019  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass>

 7587 13:53:30.839702  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass
 7589 13:53:30.900918  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_LOOP_sh_selftests_lkdtm_loop_sh RESULT=skip>

 7590 13:53:30.901906  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_LOOP_sh_selftests_lkdtm_loop_sh RESULT=skip
 7592 13:53:30.956268  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh RESULT=skip>

 7593 13:53:30.956670  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh RESULT=skip
 7595 13:53:31.011857  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh RESULT=skip>

 7596 13:53:31.012677  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh RESULT=skip
 7598 13:53:31.071432  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh RESULT=skip>

 7599 13:53:31.071869  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh RESULT=skip
 7601 13:53:31.126040  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail>

 7602 13:53:31.126813  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail
 7604 13:53:31.188462  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail>

 7605 13:53:31.189192  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail
 7607 13:53:31.247399  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass>

 7608 13:53:31.248266  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass
 7610 13:53:31.310236  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass>

 7611 13:53:31.310988  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass
 7613 13:53:31.365116  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass>

 7614 13:53:31.365824  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass
 7616 13:53:31.425841  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh RESULT=skip>

 7617 13:53:31.426581  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh RESULT=skip
 7619 13:53:31.484099  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh RESULT=skip>

 7620 13:53:31.484793  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh RESULT=skip
 7622 13:53:31.545303  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh RESULT=skip>

 7623 13:53:31.546082  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh RESULT=skip
 7625 13:53:31.602017  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh RESULT=skip>

 7626 13:53:31.602722  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh RESULT=skip
 7628 13:53:31.654586  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh RESULT=skip>

 7629 13:53:31.655451  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh RESULT=skip
 7631 13:53:31.711657  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail>

 7632 13:53:31.712762  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail
 7634 13:53:31.778545  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh RESULT=skip>

 7635 13:53:31.779324  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh RESULT=skip
 7637 13:53:31.835784  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail>

 7638 13:53:31.836686  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail
 7640 13:53:31.871887  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail>

 7641 13:53:31.872572  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail
 7643 13:53:31.913688  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail>

 7644 13:53:31.914395  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail
 7646 13:53:31.969859  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail>

 7647 13:53:31.970940  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail
 7649 13:53:32.030595  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh RESULT=skip>

 7650 13:53:32.031284  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh RESULT=skip
 7652 13:53:32.088711  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh RESULT=skip>

 7653 13:53:32.089482  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh RESULT=skip
 7655 13:53:32.143494  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh RESULT=skip>

 7656 13:53:32.143879  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh RESULT=skip
 7658 13:53:32.189206  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh RESULT=skip>

 7659 13:53:32.190014  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh RESULT=skip
 7661 13:53:32.242074  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass>

 7662 13:53:32.242834  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass
 7664 13:53:32.294914  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass>

 7665 13:53:32.295631  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass
 7667 13:53:32.358675  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass>

 7668 13:53:32.359735  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass
 7670 13:53:32.415489  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass>

 7671 13:53:32.416210  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass
 7673 13:53:32.472387  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass>

 7674 13:53:32.473074  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass
 7676 13:53:32.530662  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass>

 7677 13:53:32.531263  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass
 7679 13:53:32.584352  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass>

 7680 13:53:32.585084  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass
 7682 13:53:32.642010  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=fail>

 7683 13:53:32.642749  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=fail
 7685 13:53:32.695635  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass>

 7686 13:53:32.696190  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass
 7688 13:53:32.746702  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass>

 7689 13:53:32.747676  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass
 7691 13:53:32.804950  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass
 7693 13:53:32.807707  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass>

 7694 13:53:32.854702  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass>

 7695 13:53:32.855007  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass
 7697 13:53:32.908422  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass>

 7698 13:53:32.909220  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass
 7700 13:53:32.972107  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass>

 7701 13:53:32.972902  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass
 7703 13:53:33.019325  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7704 13:53:33.019675  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7706 13:53:33.057666  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7707 13:53:33.058629  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7709 13:53:33.112300  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass>

 7710 13:53:33.113049  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass
 7712 13:53:33.177408  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass>

 7713 13:53:33.178129  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass
 7715 13:53:33.238202  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass>

 7716 13:53:33.239103  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass
 7718 13:53:33.293995  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass>

 7719 13:53:33.294763  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass
 7721 13:53:33.351197  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass>

 7722 13:53:33.351965  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass
 7724 13:53:33.411532  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass>

 7725 13:53:33.412237  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass
 7727 13:53:33.473051  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass>

 7728 13:53:33.473771  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass
 7730 13:53:33.511952  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass>

 7731 13:53:33.512677  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass
 7733 13:53:33.564444  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass>

 7734 13:53:33.565176  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass
 7736 13:53:33.603789  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass>

 7737 13:53:33.604049  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass
 7739 13:53:33.636040  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass>

 7740 13:53:33.636298  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass
 7742 13:53:33.668507  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass>

 7743 13:53:33.668761  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass
 7745 13:53:33.700956  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass>

 7746 13:53:33.701246  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass
 7748 13:53:33.730062  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh RESULT=skip>

 7749 13:53:33.730319  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh RESULT=skip
 7751 13:53:33.768315  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh RESULT=skip>

 7752 13:53:33.768581  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh RESULT=skip
 7754 13:53:33.798587  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail>

 7755 13:53:33.798848  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail
 7757 13:53:33.827962  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail>

 7758 13:53:33.828217  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail
 7760 13:53:33.863592  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail>

 7761 13:53:33.863854  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail
 7763 13:53:33.918670  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail>

 7764 13:53:33.918934  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail
 7766 13:53:33.976516  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail>

 7767 13:53:33.976795  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail
 7769 13:53:34.032461  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail>

 7770 13:53:34.032723  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail
 7772 13:53:34.077566  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail>

 7773 13:53:34.077998  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail
 7775 13:53:34.127877  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail>

 7776 13:53:34.128252  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail
 7778 13:53:34.189124  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail>

 7779 13:53:34.189889  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail
 7781 13:53:34.252000  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail>

 7782 13:53:34.252741  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail
 7784 13:53:34.255391  + set +x

 7785 13:53:34.259042  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 12269278_1.5.2.3.5>

 7786 13:53:34.260003  Received signal: <ENDRUN> 1_kselftest-lkdtm 12269278_1.5.2.3.5
 7787 13:53:34.260473  Ending use of test pattern.
 7788 13:53:34.260871  Ending test lava.1_kselftest-lkdtm (12269278_1.5.2.3.5), duration 49.75
 7790 13:53:34.262383  <LAVA_TEST_RUNNER EXIT>

 7791 13:53:34.263087  ok: lava_test_shell seems to have completed
 7792 13:53:34.266626  lkdtm_ACCESS_NULL_sh: pass
lkdtm_ACCESS_USERSPACE_sh: fail
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

 7793 13:53:34.267343  end: 3.1 lava-test-shell (duration 00:00:51) [common]
 7794 13:53:34.267842  end: 3 lava-test-retry (duration 00:00:51) [common]
 7795 13:53:34.268335  start: 4 finalize (timeout 00:07:56) [common]
 7796 13:53:34.268848  start: 4.1 power-off (timeout 00:00:30) [common]
 7797 13:53:34.269930  Calling: 'pduclient' '--daemon=localhost' '--hostname=hp-11A-G6-EE-grunt-cbg-0' '--port=1' '--command=off'
 7798 13:53:34.388594  >> Command sent successfully.

 7799 13:53:34.392627  Returned 0 in 0 seconds
 7800 13:53:34.493516  end: 4.1 power-off (duration 00:00:00) [common]
 7802 13:53:34.495196  start: 4.2 read-feedback (timeout 00:07:56) [common]
 7803 13:53:34.496483  Listened to connection for namespace 'common' for up to 1s
 7804 13:53:34.497323  Listened to connection for namespace 'common' for up to 1s
 7805 13:53:35.497072  Finalising connection for namespace 'common'
 7806 13:53:35.497748  Disconnecting from shell: Finalise
 7807 13:53:35.498256  / # 
 7808 13:53:35.599029  end: 4.2 read-feedback (duration 00:00:01) [common]
 7809 13:53:35.599215  end: 4 finalize (duration 00:00:01) [common]
 7810 13:53:35.599328  Cleaning after the job
 7811 13:53:35.599423  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12269278/tftp-deploy-uw6o1onf/ramdisk
 7812 13:53:35.600672  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12269278/tftp-deploy-uw6o1onf/kernel
 7813 13:53:35.602609  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12269278/tftp-deploy-uw6o1onf/nfsrootfs
 7814 13:53:35.668442  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12269278/tftp-deploy-uw6o1onf/modules
 7815 13:53:35.670997  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/12269278
 7816 13:53:36.266676  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/12269278
 7817 13:53:36.266860  Job finished correctly