Boot log: asus-C433TA-AJ0005-rammus

    1 18:28:04.305377  lava-dispatcher, installed at version: 2023.05.1
    2 18:28:04.305591  start: 0 validate
    3 18:28:04.305716  Start time: 2023-06-21 18:28:04.305708+00:00 (UTC)
    4 18:28:04.305845  Using caching service: 'http://localhost/cache/?uri=%s'
    5 18:28:04.305972  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230609.0%2Famd64%2Finitrd.cpio.gz exists
    6 18:28:04.582613  Using caching service: 'http://localhost/cache/?uri=%s'
    7 18:28:04.582807  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.182-cip35-289-g3c0549540706%2Fx86_64%2Fx86_64_defconfig%2Bx86-chromebook%2Bkselftest%2Fgcc-10%2Fkernel%2FbzImage exists
    8 18:28:04.842908  Using caching service: 'http://localhost/cache/?uri=%s'
    9 18:28:04.843153  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230609.0%2Famd64%2Ffull.rootfs.tar.xz exists
   10 18:28:09.791523  Using caching service: 'http://localhost/cache/?uri=%s'
   11 18:28:09.792298  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.182-cip35-289-g3c0549540706%2Fx86_64%2Fx86_64_defconfig%2Bx86-chromebook%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   12 18:28:11.798417  validate duration: 7.49
   14 18:28:11.798680  start: 1 tftp-deploy (timeout 00:10:00) [common]
   15 18:28:11.798780  start: 1.1 download-retry (timeout 00:10:00) [common]
   16 18:28:11.798867  start: 1.1.1 http-download (timeout 00:10:00) [common]
   17 18:28:11.798992  Not decompressing ramdisk as can be used compressed.
   18 18:28:11.799078  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230609.0/amd64/initrd.cpio.gz
   19 18:28:11.799142  saving as /var/lib/lava/dispatcher/tmp/10848609/tftp-deploy-jr8zlqie/ramdisk/initrd.cpio.gz
   20 18:28:11.799204  total size: 5432707 (5MB)
   21 18:28:11.800325  progress   0% (0MB)
   22 18:28:11.801934  progress   5% (0MB)
   23 18:28:11.803505  progress  10% (0MB)
   24 18:28:11.805162  progress  15% (0MB)
   25 18:28:11.806968  progress  20% (1MB)
   26 18:28:11.808567  progress  25% (1MB)
   27 18:28:11.810154  progress  30% (1MB)
   28 18:28:11.811845  progress  35% (1MB)
   29 18:28:11.813351  progress  40% (2MB)
   30 18:28:11.814733  progress  45% (2MB)
   31 18:28:11.816242  progress  50% (2MB)
   32 18:28:11.817983  progress  55% (2MB)
   33 18:28:11.819358  progress  60% (3MB)
   34 18:28:11.820929  progress  65% (3MB)
   35 18:28:11.822536  progress  70% (3MB)
   36 18:28:11.824053  progress  75% (3MB)
   37 18:28:11.825577  progress  80% (4MB)
   38 18:28:11.827005  progress  85% (4MB)
   39 18:28:11.828693  progress  90% (4MB)
   40 18:28:11.830324  progress  95% (4MB)
   41 18:28:11.831750  progress 100% (5MB)
   42 18:28:11.831963  5MB downloaded in 0.03s (158.17MB/s)
   43 18:28:11.832177  end: 1.1.1 http-download (duration 00:00:00) [common]
   45 18:28:11.832469  end: 1.1 download-retry (duration 00:00:00) [common]
   46 18:28:11.832555  start: 1.2 download-retry (timeout 00:10:00) [common]
   47 18:28:11.832644  start: 1.2.1 http-download (timeout 00:10:00) [common]
   48 18:28:11.832783  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-289-g3c0549540706/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kernel/bzImage
   49 18:28:11.832895  saving as /var/lib/lava/dispatcher/tmp/10848609/tftp-deploy-jr8zlqie/kernel/bzImage
   50 18:28:11.832985  total size: 16393568 (15MB)
   51 18:28:11.833051  No compression specified
   52 18:28:11.834274  progress   0% (0MB)
   53 18:28:11.839016  progress   5% (0MB)
   54 18:28:11.843707  progress  10% (1MB)
   55 18:28:11.848387  progress  15% (2MB)
   56 18:28:11.853107  progress  20% (3MB)
   57 18:28:11.857739  progress  25% (3MB)
   58 18:28:11.862339  progress  30% (4MB)
   59 18:28:11.867003  progress  35% (5MB)
   60 18:28:11.871518  progress  40% (6MB)
   61 18:28:11.876043  progress  45% (7MB)
   62 18:28:11.880589  progress  50% (7MB)
   63 18:28:11.885338  progress  55% (8MB)
   64 18:28:11.890178  progress  60% (9MB)
   65 18:28:11.894946  progress  65% (10MB)
   66 18:28:11.899529  progress  70% (10MB)
   67 18:28:11.903932  progress  75% (11MB)
   68 18:28:11.908120  progress  80% (12MB)
   69 18:28:11.912277  progress  85% (13MB)
   70 18:28:11.916427  progress  90% (14MB)
   71 18:28:11.920601  progress  95% (14MB)
   72 18:28:11.925050  progress 100% (15MB)
   73 18:28:11.925259  15MB downloaded in 0.09s (169.44MB/s)
   74 18:28:11.925412  end: 1.2.1 http-download (duration 00:00:00) [common]
   76 18:28:11.925645  end: 1.2 download-retry (duration 00:00:00) [common]
   77 18:28:11.925732  start: 1.3 download-retry (timeout 00:10:00) [common]
   78 18:28:11.925847  start: 1.3.1 http-download (timeout 00:10:00) [common]
   79 18:28:11.925998  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230609.0/amd64/full.rootfs.tar.xz
   80 18:28:11.926072  saving as /var/lib/lava/dispatcher/tmp/10848609/tftp-deploy-jr8zlqie/nfsrootfs/full.rootfs.tar
   81 18:28:11.926134  total size: 207209004 (197MB)
   82 18:28:11.926196  Using unxz to decompress xz
   83 18:28:11.930682  progress   0% (0MB)
   84 18:28:12.643399  progress   5% (9MB)
   85 18:28:13.298421  progress  10% (19MB)
   86 18:28:13.976624  progress  15% (29MB)
   87 18:28:14.383242  progress  20% (39MB)
   88 18:28:14.799822  progress  25% (49MB)
   89 18:28:15.487676  progress  30% (59MB)
   90 18:28:16.087323  progress  35% (69MB)
   91 18:28:16.738529  progress  40% (79MB)
   92 18:28:17.375669  progress  45% (88MB)
   93 18:28:18.002908  progress  50% (98MB)
   94 18:28:18.674249  progress  55% (108MB)
   95 18:28:19.420892  progress  60% (118MB)
   96 18:28:19.602012  progress  65% (128MB)
   97 18:28:19.758580  progress  70% (138MB)
   98 18:28:19.866958  progress  75% (148MB)
   99 18:28:19.953123  progress  80% (158MB)
  100 18:28:20.031125  progress  85% (167MB)
  101 18:28:20.158828  progress  90% (177MB)
  102 18:28:20.515353  progress  95% (187MB)
  103 18:28:21.148254  progress 100% (197MB)
  104 18:28:21.154239  197MB downloaded in 9.23s (21.41MB/s)
  105 18:28:21.154723  end: 1.3.1 http-download (duration 00:00:09) [common]
  107 18:28:21.155178  end: 1.3 download-retry (duration 00:00:09) [common]
  108 18:28:21.155344  start: 1.4 download-retry (timeout 00:09:51) [common]
  109 18:28:21.155493  start: 1.4.1 http-download (timeout 00:09:51) [common]
  110 18:28:21.155713  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-289-g3c0549540706/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/modules.tar.xz
  111 18:28:21.155821  saving as /var/lib/lava/dispatcher/tmp/10848609/tftp-deploy-jr8zlqie/modules/modules.tar
  112 18:28:21.155918  total size: 3422624 (3MB)
  113 18:28:21.156083  Using unxz to decompress xz
  114 18:28:21.419865  progress   0% (0MB)
  115 18:28:21.426333  progress   5% (0MB)
  116 18:28:21.437278  progress  10% (0MB)
  117 18:28:21.447490  progress  15% (0MB)
  118 18:28:21.458332  progress  20% (0MB)
  119 18:28:21.471116  progress  25% (0MB)
  120 18:28:21.481869  progress  30% (1MB)
  121 18:28:21.492567  progress  35% (1MB)
  122 18:28:21.503161  progress  40% (1MB)
  123 18:28:21.515868  progress  45% (1MB)
  124 18:28:21.526144  progress  50% (1MB)
  125 18:28:21.535829  progress  55% (1MB)
  126 18:28:21.546104  progress  60% (1MB)
  127 18:28:21.555841  progress  65% (2MB)
  128 18:28:21.565996  progress  70% (2MB)
  129 18:28:21.577332  progress  75% (2MB)
  130 18:28:21.589839  progress  80% (2MB)
  131 18:28:21.598159  progress  85% (2MB)
  132 18:28:21.613037  progress  90% (2MB)
  133 18:28:21.631565  progress  95% (3MB)
  134 18:28:21.647864  progress 100% (3MB)
  135 18:28:21.655196  3MB downloaded in 0.50s (6.54MB/s)
  136 18:28:21.655522  end: 1.4.1 http-download (duration 00:00:01) [common]
  138 18:28:21.655795  end: 1.4 download-retry (duration 00:00:01) [common]
  139 18:28:21.655890  start: 1.5 prepare-tftp-overlay (timeout 00:09:50) [common]
  140 18:28:21.655983  start: 1.5.1 extract-nfsrootfs (timeout 00:09:50) [common]
  141 18:28:25.241410  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/10848609/extract-nfsrootfs-_wkzmi8k
  142 18:28:25.241638  end: 1.5.1 extract-nfsrootfs (duration 00:00:04) [common]
  143 18:28:25.241748  start: 1.5.2 lava-overlay (timeout 00:09:47) [common]
  144 18:28:25.241911  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8
  145 18:28:25.242039  makedir: /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin
  146 18:28:25.242139  makedir: /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/tests
  147 18:28:25.242235  makedir: /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/results
  148 18:28:25.242335  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-add-keys
  149 18:28:25.242489  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-add-sources
  150 18:28:25.242632  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-background-process-start
  151 18:28:25.242836  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-background-process-stop
  152 18:28:25.242971  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-common-functions
  153 18:28:25.243091  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-echo-ipv4
  154 18:28:25.243233  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-install-packages
  155 18:28:25.243353  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-installed-packages
  156 18:28:25.243474  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-os-build
  157 18:28:25.243593  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-probe-channel
  158 18:28:25.243713  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-probe-ip
  159 18:28:25.243849  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-target-ip
  160 18:28:25.243967  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-target-mac
  161 18:28:25.244084  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-target-storage
  162 18:28:25.244206  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-test-case
  163 18:28:25.244376  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-test-event
  164 18:28:25.244509  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-test-feedback
  165 18:28:25.244628  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-test-raise
  166 18:28:25.244769  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-test-reference
  167 18:28:25.244941  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-test-runner
  168 18:28:25.245062  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-test-set
  169 18:28:25.245180  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-test-shell
  170 18:28:25.245302  Updating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-add-keys (debian)
  171 18:28:25.245449  Updating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-add-sources (debian)
  172 18:28:25.245584  Updating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-install-packages (debian)
  173 18:28:25.245735  Updating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-installed-packages (debian)
  174 18:28:25.245881  Updating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/bin/lava-os-build (debian)
  175 18:28:25.245996  Creating /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/environment
  176 18:28:25.246091  LAVA metadata
  177 18:28:25.246162  - LAVA_JOB_ID=10848609
  178 18:28:25.246224  - LAVA_DISPATCHER_IP=192.168.201.1
  179 18:28:25.246339  start: 1.5.2.1 lava-vland-overlay (timeout 00:09:47) [common]
  180 18:28:25.246404  skipped lava-vland-overlay
  181 18:28:25.246481  end: 1.5.2.1 lava-vland-overlay (duration 00:00:00) [common]
  182 18:28:25.246559  start: 1.5.2.2 lava-multinode-overlay (timeout 00:09:47) [common]
  183 18:28:25.246617  skipped lava-multinode-overlay
  184 18:28:25.246686  end: 1.5.2.2 lava-multinode-overlay (duration 00:00:00) [common]
  185 18:28:25.246759  start: 1.5.2.3 test-definition (timeout 00:09:47) [common]
  186 18:28:25.246832  Loading test definitions
  187 18:28:25.246920  start: 1.5.2.3.1 inline-repo-action (timeout 00:09:47) [common]
  188 18:28:25.246988  Using /lava-10848609 at stage 0
  189 18:28:25.247261  uuid=10848609_1.5.2.3.1 testdef=None
  190 18:28:25.247347  end: 1.5.2.3.1 inline-repo-action (duration 00:00:00) [common]
  191 18:28:25.247428  start: 1.5.2.3.2 test-overlay (timeout 00:09:47) [common]
  192 18:28:25.247988  end: 1.5.2.3.2 test-overlay (duration 00:00:00) [common]
  194 18:28:25.248237  start: 1.5.2.3.3 test-install-overlay (timeout 00:09:47) [common]
  195 18:28:25.248788  end: 1.5.2.3.3 test-install-overlay (duration 00:00:00) [common]
  197 18:28:25.249073  start: 1.5.2.3.4 test-runscript-overlay (timeout 00:09:47) [common]
  198 18:28:25.265250  runner path: /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/0/tests/0_timesync-off test_uuid 10848609_1.5.2.3.1
  199 18:28:25.265468  end: 1.5.2.3.4 test-runscript-overlay (duration 00:00:00) [common]
  201 18:28:25.265709  start: 1.5.2.3.5 git-repo-action (timeout 00:09:47) [common]
  202 18:28:25.265785  Using /lava-10848609 at stage 0
  203 18:28:25.265903  Fetching tests from https://github.com/kernelci/test-definitions.git
  204 18:28:25.265982  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/0/tests/1_kselftest-lkdtm'
  205 18:28:31.823934  Running '/usr/bin/git checkout kernelci.org
  206 18:28:32.027020  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  207 18:28:32.028011  uuid=10848609_1.5.2.3.5 testdef=None
  208 18:28:32.028217  end: 1.5.2.3.5 git-repo-action (duration 00:00:07) [common]
  210 18:28:32.028480  start: 1.5.2.3.6 test-overlay (timeout 00:09:40) [common]
  211 18:28:32.029240  end: 1.5.2.3.6 test-overlay (duration 00:00:00) [common]
  213 18:28:32.029474  start: 1.5.2.3.7 test-install-overlay (timeout 00:09:40) [common]
  214 18:28:32.039453  end: 1.5.2.3.7 test-install-overlay (duration 00:00:00) [common]
  216 18:28:32.039705  start: 1.5.2.3.8 test-runscript-overlay (timeout 00:09:40) [common]
  217 18:28:32.154687  runner path: /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/0/tests/1_kselftest-lkdtm test_uuid 10848609_1.5.2.3.5
  218 18:28:32.154816  BOARD='asus-C433TA-AJ0005-rammus'
  219 18:28:32.154883  BRANCH='cip-gitlab'
  220 18:28:32.154944  SKIPFILE='/dev/null'
  221 18:28:32.155003  SKIP_INSTALL='True'
  222 18:28:32.155060  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-289-g3c0549540706/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz'
  223 18:28:32.155121  TST_CASENAME=''
  224 18:28:32.155178  TST_CMDFILES='lkdtm'
  225 18:28:32.155337  end: 1.5.2.3.8 test-runscript-overlay (duration 00:00:00) [common]
  227 18:28:32.155548  Creating lava-test-runner.conf files
  228 18:28:32.155612  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/10848609/lava-overlay-1z6hihb8/lava-10848609/0 for stage 0
  229 18:28:32.155704  - 0_timesync-off
  230 18:28:32.155781  - 1_kselftest-lkdtm
  231 18:28:32.155880  end: 1.5.2.3 test-definition (duration 00:00:07) [common]
  232 18:28:32.155970  start: 1.5.2.4 compress-overlay (timeout 00:09:40) [common]
  233 18:28:41.239813  end: 1.5.2.4 compress-overlay (duration 00:00:09) [common]
  234 18:28:41.239964  start: 1.5.2.5 persistent-nfs-overlay (timeout 00:09:31) [common]
  235 18:28:41.240056  end: 1.5.2.5 persistent-nfs-overlay (duration 00:00:00) [common]
  236 18:28:41.240159  end: 1.5.2 lava-overlay (duration 00:00:16) [common]
  237 18:28:41.240263  start: 1.5.3 extract-overlay-ramdisk (timeout 00:09:31) [common]
  238 18:28:41.380794  end: 1.5.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  239 18:28:41.381203  start: 1.5.4 extract-modules (timeout 00:09:30) [common]
  240 18:28:41.381360  extracting modules file /var/lib/lava/dispatcher/tmp/10848609/tftp-deploy-jr8zlqie/modules/modules.tar to /var/lib/lava/dispatcher/tmp/10848609/extract-nfsrootfs-_wkzmi8k
  241 18:28:41.479505  extracting modules file /var/lib/lava/dispatcher/tmp/10848609/tftp-deploy-jr8zlqie/modules/modules.tar to /var/lib/lava/dispatcher/tmp/10848609/extract-overlay-ramdisk-g6z9feid/ramdisk
  242 18:28:41.581985  end: 1.5.4 extract-modules (duration 00:00:00) [common]
  243 18:28:41.582177  start: 1.5.5 apply-overlay-tftp (timeout 00:09:30) [common]
  244 18:28:41.582316  [common] Applying overlay to NFS
  245 18:28:41.582443  [common] Applying overlay /var/lib/lava/dispatcher/tmp/10848609/compress-overlay-a8ai7tq6/overlay-1.5.2.4.tar.gz to directory /var/lib/lava/dispatcher/tmp/10848609/extract-nfsrootfs-_wkzmi8k
  246 18:28:42.620637  end: 1.5.5 apply-overlay-tftp (duration 00:00:01) [common]
  247 18:28:42.620793  start: 1.5.6 configure-preseed-file (timeout 00:09:29) [common]
  248 18:28:42.621008  end: 1.5.6 configure-preseed-file (duration 00:00:00) [common]
  249 18:28:42.621098  start: 1.5.7 compress-ramdisk (timeout 00:09:29) [common]
  250 18:28:42.621178  Building ramdisk /var/lib/lava/dispatcher/tmp/10848609/extract-overlay-ramdisk-g6z9feid/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/10848609/extract-overlay-ramdisk-g6z9feid/ramdisk
  251 18:28:42.783408  >> 69166 blocks

  252 18:28:43.957047  rename /var/lib/lava/dispatcher/tmp/10848609/extract-overlay-ramdisk-g6z9feid/ramdisk.cpio.gz to /var/lib/lava/dispatcher/tmp/10848609/tftp-deploy-jr8zlqie/ramdisk/ramdisk.cpio.gz
  253 18:28:43.957565  end: 1.5.7 compress-ramdisk (duration 00:00:01) [common]
  254 18:28:43.957729  start: 1.5.8 prepare-kernel (timeout 00:09:28) [common]
  255 18:28:43.957865  start: 1.5.8.1 prepare-fit (timeout 00:09:28) [common]
  256 18:28:43.957997  No mkimage arch provided, not using FIT.
  257 18:28:43.958127  end: 1.5.8.1 prepare-fit (duration 00:00:00) [common]
  258 18:28:43.958250  end: 1.5.8 prepare-kernel (duration 00:00:00) [common]
  259 18:28:43.958414  end: 1.5 prepare-tftp-overlay (duration 00:00:22) [common]
  260 18:28:43.958549  start: 1.6 lxc-create-udev-rule-action (timeout 00:09:28) [common]
  261 18:28:43.958668  No LXC device requested
  262 18:28:43.958789  end: 1.6 lxc-create-udev-rule-action (duration 00:00:00) [common]
  263 18:28:43.958927  start: 1.7 deploy-device-env (timeout 00:09:28) [common]
  264 18:28:43.959054  end: 1.7 deploy-device-env (duration 00:00:00) [common]
  265 18:28:43.959161  Checking files for TFTP limit of 4294967296 bytes.
  266 18:28:43.959711  end: 1 tftp-deploy (duration 00:00:32) [common]
  267 18:28:43.959858  start: 2 depthcharge-action (timeout 00:05:00) [common]
  268 18:28:43.959983  start: 2.1 depthcharge-overlay (timeout 00:05:00) [common]
  269 18:28:43.960152  substitutions:
  270 18:28:43.960251  - {DTB}: None
  271 18:28:43.960349  - {INITRD}: 10848609/tftp-deploy-jr8zlqie/ramdisk/ramdisk.cpio.gz
  272 18:28:43.960441  - {KERNEL}: 10848609/tftp-deploy-jr8zlqie/kernel/bzImage
  273 18:28:43.960531  - {LAVA_MAC}: None
  274 18:28:43.960621  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/10848609/extract-nfsrootfs-_wkzmi8k
  275 18:28:43.960714  - {NFS_SERVER_IP}: 192.168.201.1
  276 18:28:43.960810  - {PRESEED_CONFIG}: None
  277 18:28:43.960905  - {PRESEED_LOCAL}: None
  278 18:28:43.960991  - {RAMDISK}: 10848609/tftp-deploy-jr8zlqie/ramdisk/ramdisk.cpio.gz
  279 18:28:43.961081  - {ROOT_PART}: None
  280 18:28:43.961171  - {ROOT}: None
  281 18:28:43.961261  - {SERVER_IP}: 192.168.201.1
  282 18:28:43.961351  - {TEE}: None
  283 18:28:43.961442  Parsed boot commands:
  284 18:28:43.961529  - tftpboot 192.168.201.1 {DEPTHCHARGE_KERNEL} {CMDLINE} {DEPTHCHARGE_RAMDISK}
  285 18:28:43.961764  Parsed boot commands: tftpboot 192.168.201.1 10848609/tftp-deploy-jr8zlqie/kernel/bzImage 10848609/tftp-deploy-jr8zlqie/kernel/cmdline 10848609/tftp-deploy-jr8zlqie/ramdisk/ramdisk.cpio.gz
  286 18:28:43.961904  end: 2.1 depthcharge-overlay (duration 00:00:00) [common]
  287 18:28:43.962030  start: 2.2 depthcharge-retry (timeout 00:05:00) [common]
  288 18:28:43.962167  start: 2.2.1 reset-connection (timeout 00:05:00) [common]
  289 18:28:43.962292  start: 2.2.1.1 disconnect-device (timeout 00:05:00) [common]
  290 18:28:43.962402  Not connected, no need to disconnect.
  291 18:28:43.962519  end: 2.2.1.1 disconnect-device (duration 00:00:00) [common]
  292 18:28:43.962644  start: 2.2.1.2 connect-device (timeout 00:05:00) [common]
  293 18:28:43.962754  [common] connect-device Connecting to device using '/usr/bin/console -k -f -M localhost asus-C433TA-AJ0005-rammus-cbg-0'
  294 18:28:43.966789  Setting prompt string to ['lava-test: # ']
  295 18:28:43.967215  end: 2.2.1.2 connect-device (duration 00:00:00) [common]
  296 18:28:43.967376  end: 2.2.1 reset-connection (duration 00:00:00) [common]
  297 18:28:43.967522  start: 2.2.2 reset-device (timeout 00:05:00) [common]
  298 18:28:43.967652  start: 2.2.2.1 pdu-reboot (timeout 00:05:00) [common]
  299 18:28:43.967949  Calling: 'pduclient' '--daemon=localhost' '--hostname=asus-C433TA-AJ0005-rammus-cbg-0' '--port=1' '--command=reboot'
  300 18:28:49.099781  >> Command sent successfully.

  301 18:28:49.102239  Returned 0 in 5 seconds
  302 18:28:49.202657  end: 2.2.2.1 pdu-reboot (duration 00:00:05) [common]
  304 18:28:49.203036  end: 2.2.2 reset-device (duration 00:00:05) [common]
  305 18:28:49.203148  start: 2.2.3 depthcharge-start (timeout 00:04:55) [common]
  306 18:28:49.203250  Setting prompt string to 'Starting depthcharge on rammus...'
  307 18:28:49.203351  Changing prompt to 'Starting depthcharge on rammus...'
  308 18:28:49.203461  depthcharge-start: Wait for prompt Starting depthcharge on rammus... (timeout 00:05:00)
  309 18:28:49.203774  [Enter `^Ec?' for help]

  310 18:28:49.769612  

  311 18:28:49.769762  

  312 18:28:49.770017  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 bootblock starting...

  313 18:28:49.770093  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz

  314 18:28:49.770156  CPU: ID 806e9, Kabylake H0, ucode: 00000097

  315 18:28:49.770217  CPU: AES supported, TXT NOT supported, VT supported

  316 18:28:49.770290  MCH: device id 590c (rev 02) is Kabylake-Y

  317 18:28:49.770835  PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium

  318 18:28:49.771532  IGD: device id 591c (rev 02) is Amberlake ULX GT2

  319 18:28:49.771600  VBOOT: Loading verstage.

  320 18:28:49.771834  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  321 18:28:49.833741  CBFS: Locating 'fallback/verstage'

  322 18:28:49.833892  CBFS: Found @ offset 1a0a80 size f47c

  323 18:28:49.833966  

  324 18:28:49.834030  

  325 18:28:49.834276  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 verstage starting...

  326 18:28:49.837233  Probing TPM: .Timeout wait for TPM IRQ!

  327 18:28:49.853920  .Timeout wait for TPM IRQ!

  328 18:28:49.866747  . done!

  329 18:28:49.869982  TPM ready after 0 ms

  330 18:28:49.873948  Connected to device vid:did:rid of 1ae0:0028:00

  331 18:28:49.883703  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373

  332 18:28:49.887446  Initialized TPM device CR50 revision 0

  333 18:28:50.049063  tlcl_send_startup: Startup return code is 0

  334 18:28:50.049233  TPM: setup succeeded

  335 18:28:50.058104  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0

  336 18:28:50.061953  Chrome EC: UHEPI supported

  337 18:28:50.065212  Phase 1

  338 18:28:50.068387  FMAP: Found "FLASH" version 1.1 at c10000.

  339 18:28:50.075574  FMAP: base = ff000000 size = 1000000 #areas = 33

  340 18:28:50.078278  FMAP: area GBB found @ c11000 (978944 bytes)

  341 18:28:50.085365  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0

  342 18:28:50.085459  Phase 2

  343 18:28:50.088547  Phase 3

  344 18:28:50.091841  FMAP: area GBB found @ c11000 (978944 bytes)

  345 18:28:50.098315  VB2:vb2_report_dev_firmware() This is developer signed firmware

  346 18:28:50.104789  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  347 18:28:50.108211  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  348 18:28:50.115225  VB2:vb2_verify_keyblock() Checking key block signature...

  349 18:28:50.135812  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  350 18:28:50.139275  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  351 18:28:50.145859  VB2:vb2_verify_fw_preamble() Verifying preamble.

  352 18:28:50.151945  Phase 4

  353 18:28:50.155430  FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes)

  354 18:28:50.162452  VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW

  355 18:28:50.420939  VB2:vb2_rsa_verify_digest() Digest check failed!

  356 18:28:50.424203  VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7

  357 18:28:50.428052  Saving nvdata

  358 18:28:50.431369  Reboot requested (10020007)

  359 18:28:50.434415  board_reset() called!

  360 18:28:50.434520  full_reset() called!

  361 18:28:54.842819  

  362 18:28:54.842996  

  363 18:28:54.849261  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 bootblock starting...

  364 18:28:54.856096  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz

  365 18:28:54.859298  CPU: ID 806e9, Kabylake H0, ucode: 00000097

  366 18:28:54.865968  CPU: AES supported, TXT NOT supported, VT supported

  367 18:28:54.869318  MCH: device id 590c (rev 02) is Kabylake-Y

  368 18:28:54.875354  PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium

  369 18:28:54.878639  IGD: device id 591c (rev 02) is Amberlake ULX GT2

  370 18:28:54.882677  VBOOT: Loading verstage.

  371 18:28:54.888681  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  372 18:28:54.892366  CBFS: Locating 'fallback/verstage'

  373 18:28:54.895551  CBFS: Found @ offset 1a0a80 size f47c

  374 18:28:54.909425  

  375 18:28:54.909511  

  376 18:28:54.916112  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 verstage starting...

  377 18:28:54.932412  Probing TPM: . done!

  378 18:28:54.935431  TPM ready after 0 ms

  379 18:28:54.938733  Connected to device vid:did:rid of 1ae0:0028:00

  380 18:28:54.948895  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373

  381 18:28:54.952744  Initialized TPM device CR50 revision 0

  382 18:28:55.105974  tlcl_send_startup: Startup return code is 0

  383 18:28:55.106114  TPM: setup succeeded

  384 18:28:55.118828  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0

  385 18:28:55.122540  Chrome EC: UHEPI supported

  386 18:28:55.125739  Phase 1

  387 18:28:55.128972  FMAP: Found "FLASH" version 1.1 at c10000.

  388 18:28:55.135592  FMAP: base = ff000000 size = 1000000 #areas = 33

  389 18:28:55.139007  FMAP: area GBB found @ c11000 (978944 bytes)

  390 18:28:55.145586  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7

  391 18:28:55.152149  VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0

  392 18:28:55.155972  Recovery requested (1009000e)

  393 18:28:55.156052  Saving nvdata

  394 18:28:55.166823  tlcl_extend: response is 0

  395 18:28:55.175722  tlcl_extend: response is 0

  396 18:28:55.181977  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  397 18:28:55.185259  CBFS: Locating 'fallback/romstage'

  398 18:28:55.188536  CBFS: Found @ offset 80 size 10ffc

  399 18:28:55.192555  

  400 18:28:55.192666  

  401 18:28:55.199124  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 romstage starting...

  402 18:28:55.206447  pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00

  403 18:28:55.209624  gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000

  404 18:28:55.213402  gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000

  405 18:28:55.219686  gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000

  406 18:28:55.222754  gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000

  407 18:28:55.226561  TCO_STS:   0000 0000

  408 18:28:55.229817  GEN_PMCON: e0040200 0000523a

  409 18:28:55.233007  GBLRST_CAUSE: 00000000 00000000

  410 18:28:55.233115  prev_sleep_state 5

  411 18:28:55.236234  Boot Count incremented to 61103

  412 18:28:55.242773  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  413 18:28:55.246066  CBFS: Locating 'fspm.bin'

  414 18:28:55.249406  CBFS: Found @ offset 103fc0 size 63000

  415 18:28:55.252634  Chrome EC: UHEPI supported

  416 18:28:55.260488  FMAP: Found "FLASH" version 1.1 at c10000.

  417 18:28:55.263690  FMAP: base = ff000000 size = 1000000 #areas = 33

  418 18:28:55.269888  FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes)

  419 18:28:55.274566  Probing TPM:  done!

  420 18:28:55.281351  Connected to device vid:did:rid of 1ae0:0028:00

  421 18:28:55.291293  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373

  422 18:28:55.297324  Initialized TPM device CR50 revision 0

  423 18:28:55.305637  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  424 18:28:55.315984  MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE

  425 18:28:55.316097  MRC cache found, size 1868

  426 18:28:55.319139  bootmode is set to :2

  427 18:28:55.319245  SPD index 1

  428 18:28:55.325371  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  429 18:28:55.329227  CBFS: Locating 'spd.bin'

  430 18:28:55.332541  CBFS: Found @ offset 1a0240 size 800

  431 18:28:55.335831  SPD: module type is LPDDR3

  432 18:28:55.338749  SPD: module part is K4E8E324EB-EGCF   

  433 18:28:55.345441  SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb

  434 18:28:55.348612  SPD: device width 32 bits, bus width 64 bits

  435 18:28:55.355299  SPD: module size is 2048 MB (per channel)

  436 18:28:55.466585  CBMEM:

  437 18:28:55.469728  IMD: root @ 7afff000 254 entries.

  438 18:28:55.473215  IMD: root @ 7affec00 62 entries.

  439 18:28:55.476445  External stage cache:

  440 18:28:55.479643  IMD: root @ 7b3ff000 254 entries.

  441 18:28:55.482772  IMD: root @ 7b3fec00 62 entries.

  442 18:28:55.486845  creating vboot_handoff structure

  443 18:28:55.492519  Chrome EC: clear events_b mask to 0x0000000021004000

  444 18:28:55.506674  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  445 18:28:55.519786  tlcl_write: response is 0

  446 18:28:55.528547  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  447 18:28:55.534990  MRC: TPM MRC hash updated successfully.

  448 18:28:55.535072  2 DIMMs found

  449 18:28:55.538148  top_of_ram = 0x7b000000

  450 18:28:55.545033  MTRR Range: Start=7a000000 End=7b000000 (Size 1000000)

  451 18:28:55.548130  MTRR Range: Start=7b000000 End=7b800000 (Size 800000)

  452 18:28:55.554969  MTRR Range: Start=ff000000 End=0 (Size 1000000)

  453 18:28:55.558086  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  454 18:28:55.561373  CBFS: Locating 'fallback/postcar'

  455 18:28:55.567959  CBFS: Found @ offset 197000 size 3f04

  456 18:28:55.574255  Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes)

  457 18:28:55.584632  Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90

  458 18:28:55.587824  Processing 118 relocs. Offset value of 0x78bd1000

  459 18:28:55.593542  

  460 18:28:55.593653  

  461 18:28:55.600068  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 postcar starting...

  462 18:28:55.606555  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  463 18:28:55.610133  CBFS: Locating 'fallback/ramstage'

  464 18:28:55.616629  CBFS: Found @ offset e8d80 size 1a462

  465 18:28:55.620032  Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes)

  466 18:28:55.659273  Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78

  467 18:28:55.662471  Processing 3657 relocs. Offset value of 0x79d06000

  468 18:28:55.666248  

  469 18:28:55.666361  

  470 18:28:55.672824  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 ramstage starting...

  471 18:28:55.679419  FMAP: Found "FLASH" version 1.1 at c10000.

  472 18:28:55.682684  FMAP: base = ff000000 size = 1000000 #areas = 33

  473 18:28:55.689204  FMAP: area RO_VPD found @ c00000 (16384 bytes)

  474 18:28:55.692367  WARNING: RO_VPD is uninitialized or empty.

  475 18:28:55.696236  FMAP: area RW_VPD found @ 9f8000 (8192 bytes)

  476 18:28:55.702615  FMAP: area RW_VPD found @ 9f8000 (8192 bytes)

  477 18:28:55.702733  Normal boot.

  478 18:28:55.709239  BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0

  479 18:28:55.715934  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  480 18:28:55.719371  CBFS: Locating 'cpu_microcode_blob.bin'

  481 18:28:55.721967  CBFS: Found @ offset 11100 size d7c00

  482 18:28:55.725362  microcode: sig=0x806e9 pf=0x10 revision=0x97

  483 18:28:55.728633  Skip microcode update

  484 18:28:55.735263  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  485 18:28:55.738646  CBFS: Locating 'fsps.bin'

  486 18:28:55.741986  CBFS: Found @ offset 167fc0 size 2f000

  487 18:28:55.767282  Detected 2 core, 4 thread CPU.

  488 18:28:55.770562  Setting up SMI for CPU

  489 18:28:55.773907  IED base = 0x7b400000

  490 18:28:55.774016  IED size = 0x00400000

  491 18:28:55.777132  Will perform SMM setup.

  492 18:28:55.784027  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz.

  493 18:28:55.790384  Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170

  494 18:28:55.793658  Processing 16 relocs. Offset value of 0x00030000

  495 18:28:55.797675  Attempting to start 3 APs

  496 18:28:55.800966  Waiting for 10ms after sending INIT.

  497 18:28:55.817412  Waiting for 1st SIPI to complete...done.

  498 18:28:55.817544  AP: slot 3 apic_id 3.

  499 18:28:55.820567  AP: slot 2 apic_id 2.

  500 18:28:55.823893  AP: slot 1 apic_id 1.

  501 18:28:55.827136  Waiting for 2nd SIPI to complete...done.

  502 18:28:55.833954  Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8

  503 18:28:55.840039  Processing 13 relocs. Offset value of 0x00038000

  504 18:28:55.846686  SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000)

  505 18:28:55.849957  Installing SMM handler to 0x7b000000

  506 18:28:55.857106  Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0

  507 18:28:55.863478  Processing 243 relocs. Offset value of 0x7b010000

  508 18:28:55.870016  Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8

  509 18:28:55.876363  Processing 13 relocs. Offset value of 0x7b008000

  510 18:28:55.879596  SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd

  511 18:28:55.886710  SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd

  512 18:28:55.893286  SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd

  513 18:28:55.899653  SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000)

  514 18:28:55.902888  Clearing SMI status registers

  515 18:28:55.902998  SMI_STS: PM1 

  516 18:28:55.906009  PM1_STS: PWRBTN 

  517 18:28:55.909876  TCO_STS: BOOT SECOND_TO 

  518 18:28:55.910023  New SMBASE 0x7b000000

  519 18:28:55.912940  In relocation handler: CPU 0

  520 18:28:55.919347  New SMBASE=0x7b000000 IEDBASE=0x7b400000

  521 18:28:55.922592  Writing SMRR. base = 0x7b000006, mask=0xff800800

  522 18:28:55.925886  Relocation complete.

  523 18:28:55.925971  New SMBASE 0x7afffc00

  524 18:28:55.929229  In relocation handler: CPU 1

  525 18:28:55.932572  New SMBASE=0x7afffc00 IEDBASE=0x7b400000

  526 18:28:55.939076  Writing SMRR. base = 0x7b000006, mask=0xff800800

  527 18:28:55.942303  Relocation complete.

  528 18:28:55.942389  New SMBASE 0x7afff400

  529 18:28:55.945648  In relocation handler: CPU 3

  530 18:28:55.948976  New SMBASE=0x7afff400 IEDBASE=0x7b400000

  531 18:28:55.955656  Writing SMRR. base = 0x7b000006, mask=0xff800800

  532 18:28:55.958944  Relocation complete.

  533 18:28:55.959024  New SMBASE 0x7afff800

  534 18:28:55.962538  In relocation handler: CPU 2

  535 18:28:55.965775  New SMBASE=0x7afff800 IEDBASE=0x7b400000

  536 18:28:55.972070  Writing SMRR. base = 0x7b000006, mask=0xff800800

  537 18:28:55.972163  Relocation complete.

  538 18:28:55.975909  Initializing CPU #0

  539 18:28:55.978981  CPU: vendor Intel device 806e9

  540 18:28:55.982187  CPU: family 06, model 8e, stepping 09

  541 18:28:55.989180  Setting up local APIC... apic_id: 0x00 done.

  542 18:28:55.989266  Turbo is available but hidden

  543 18:28:55.992574  Turbo has been enabled

  544 18:28:55.995274  SGX : param.enable = 0

  545 18:28:55.999065  Skip microcode update

  546 18:28:55.999149  CPU #0 initialized

  547 18:28:56.002183  Initializing CPU #1

  548 18:28:56.002268  Initializing CPU #2

  549 18:28:56.005477  Initializing CPU #3

  550 18:28:56.008713  CPU: vendor Intel device 806e9

  551 18:28:56.011967  CPU: family 06, model 8e, stepping 09

  552 18:28:56.015072  CPU: vendor Intel device 806e9

  553 18:28:56.018893  CPU: family 06, model 8e, stepping 09

  554 18:28:56.025114  Setting up local APIC...CPU: vendor Intel device 806e9

  555 18:28:56.028344  CPU: family 06, model 8e, stepping 09

  556 18:28:56.034908  Setting up local APIC...Setting up local APIC... apic_id: 0x03 done.

  557 18:28:56.038378   apic_id: 0x02 done.

  558 18:28:56.038463  Skip microcode update

  559 18:28:56.041633  Skip microcode update

  560 18:28:56.045013  CPU #3 initialized

  561 18:28:56.045099  CPU #2 initialized

  562 18:28:56.048287   apic_id: 0x01 done.

  563 18:28:56.051695  Skip microcode update

  564 18:28:56.051781  CPU #1 initialized

  565 18:28:56.054939  bsp_do_flight_plan done after 226 msecs.

  566 18:28:56.058224  CPU: frequency set to 3400 MHz

  567 18:28:56.061637  Enabling SMIs.

  568 18:28:56.061718  Locking SMM.

  569 18:28:56.064871  VMX : param.enable = 1

  570 18:28:56.068053  VMX status: enabled, unlocked

  571 18:28:56.071260  SGX: pre-conditions not met

  572 18:28:56.074932  VMX status: enabled, unlocked

  573 18:28:56.078043  SGX: pre-conditions not met

  574 18:28:56.078160  VMX status: enabled, unlocked

  575 18:28:56.081218  VMX status: enabled, unlocked

  576 18:28:56.084990  SGX: pre-conditions not met

  577 18:28:56.088132  SGX: pre-conditions not met

  578 18:28:56.095056  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  579 18:28:56.098211  CBFS: Locating 'vbt.bin'

  580 18:28:56.100990  CBFS: Found @ offset 103a00 size 48e

  581 18:28:56.104194  Found a VBT of 4608 bytes after decompression

  582 18:28:56.109217  psys_pmax = 360

  583 18:28:56.112455  FMAP: area GBB found @ c11000 (978944 bytes)

  584 18:28:56.225595  ITSS IRQ Polarities Before:

  585 18:28:56.228714  IPC0: 0x00ff4000

  586 18:28:56.228819  IPC1: 0x00000007

  587 18:28:56.231911  IPC2: 0x00000000

  588 18:28:56.231998  IPC3: 0x00000000

  589 18:28:56.235210  ITSS IRQ Polarities After:

  590 18:28:56.238650  IPC0: 0x00ff4000

  591 18:28:56.238737  IPC1: 0x00000007

  592 18:28:56.241794  IPC2: 0x00000000

  593 18:28:56.241884  IPC3: 0x00000000

  594 18:28:56.248312  Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU

  595 18:28:56.254992  BS: BS_DEV_INIT_CHIPS times (us): entry 375847 run 166745 exit 0

  596 18:28:56.258237  Enumerating buses...

  597 18:28:56.261646  Show all devs... Before device enumeration.

  598 18:28:56.264896  Root Device: enabled 1

  599 18:28:56.264989  CPU_CLUSTER: 0: enabled 1

  600 18:28:56.268120  DOMAIN: 0000: enabled 1

  601 18:28:56.271373  APIC: 00: enabled 1

  602 18:28:56.274607  PCI: 00:00.0: enabled 1

  603 18:28:56.274688  PCI: 00:02.0: enabled 1

  604 18:28:56.277990  PCI: 00:14.0: enabled 1

  605 18:28:56.281613  PCI: 00:14.1: enabled 0

  606 18:28:56.281689  PCI: 00:14.2: enabled 1

  607 18:28:56.284782  PCI: 00:15.0: enabled 1

  608 18:28:56.287817  PCI: 00:15.1: enabled 1

  609 18:28:56.291687  PCI: 00:15.2: enabled 0

  610 18:28:56.291801  PCI: 00:15.3: enabled 0

  611 18:28:56.294754  PCI: 00:16.0: enabled 1

  612 18:28:56.297970  PCI: 00:16.1: enabled 0

  613 18:28:56.301010  PCI: 00:16.2: enabled 0

  614 18:28:56.301086  PCI: 00:16.3: enabled 0

  615 18:28:56.304955  PCI: 00:16.4: enabled 0

  616 18:28:56.308190  PCI: 00:17.0: enabled 0

  617 18:28:56.311407  PCI: 00:19.0: enabled 1

  618 18:28:56.311487  PCI: 00:19.1: enabled 1

  619 18:28:56.314779  PCI: 00:19.2: enabled 0

  620 18:28:56.318051  PCI: 00:1c.0: enabled 1

  621 18:28:56.321276  PCI: 00:1c.1: enabled 0

  622 18:28:56.321355  PCI: 00:1c.2: enabled 0

  623 18:28:56.324343  PCI: 00:1c.3: enabled 0

  624 18:28:56.327636  PCI: 00:1c.4: enabled 0

  625 18:28:56.327718  PCI: 00:1c.5: enabled 0

  626 18:28:56.331323  PCI: 00:1c.6: enabled 0

  627 18:28:56.334441  PCI: 00:1c.7: enabled 0

  628 18:28:56.337715  PCI: 00:1d.0: enabled 0

  629 18:28:56.337830  PCI: 00:1d.1: enabled 0

  630 18:28:56.341107  PCI: 00:1d.2: enabled 0

  631 18:28:56.344058  PCI: 00:1d.3: enabled 0

  632 18:28:56.347285  PCI: 00:1e.0: enabled 1

  633 18:28:56.347393  PCI: 00:1e.1: enabled 0

  634 18:28:56.350615  PCI: 00:1e.2: enabled 1

  635 18:28:56.353880  PCI: 00:1e.3: enabled 0

  636 18:28:56.357239  PCI: 00:1e.4: enabled 1

  637 18:28:56.357343  PCI: 00:1e.5: enabled 0

  638 18:28:56.360605  PCI: 00:1e.6: enabled 1

  639 18:28:56.363918  PCI: 00:1f.0: enabled 1

  640 18:28:56.364029  PCI: 00:1f.1: enabled 1

  641 18:28:56.367268  PCI: 00:1f.2: enabled 1

  642 18:28:56.370691  PCI: 00:1f.3: enabled 1

  643 18:28:56.374047  PCI: 00:1f.4: enabled 1

  644 18:28:56.374159  PCI: 00:1f.5: enabled 1

  645 18:28:56.377292  PCI: 00:1f.6: enabled 0

  646 18:28:56.380482  USB0 port 0: enabled 1

  647 18:28:56.384012  I2C: 00:5c: enabled 1

  648 18:28:56.384116  I2C: 00:15: enabled 1

  649 18:28:56.387009  I2C: 00:39: enabled 1

  650 18:28:56.390870  I2C: 00:3a: enabled 1

  651 18:28:56.390973  I2C: 00:1a: enabled 1

  652 18:28:56.393898  PCI: 00:00.0: enabled 1

  653 18:28:56.396996  SPI: 00: enabled 1

  654 18:28:56.397100  PNP: 0c09.0: enabled 1

  655 18:28:56.400679  USB2 port 0: enabled 1

  656 18:28:56.403912  USB2 port 1: enabled 1

  657 18:28:56.404025  USB2 port 2: enabled 1

  658 18:28:56.406985  USB2 port 4: enabled 1

  659 18:28:56.410662  USB2 port 8: enabled 1

  660 18:28:56.410776  APIC: 01: enabled 1

  661 18:28:56.413840  APIC: 02: enabled 1

  662 18:28:56.417090  APIC: 03: enabled 1

  663 18:28:56.417203  Compare with tree...

  664 18:28:56.420313  Root Device: enabled 1

  665 18:28:56.423598   CPU_CLUSTER: 0: enabled 1

  666 18:28:56.426885    APIC: 00: enabled 1

  667 18:28:56.427018    APIC: 01: enabled 1

  668 18:28:56.430187    APIC: 02: enabled 1

  669 18:28:56.433354    APIC: 03: enabled 1

  670 18:28:56.433457   DOMAIN: 0000: enabled 1

  671 18:28:56.437073    PCI: 00:00.0: enabled 1

  672 18:28:56.440263    PCI: 00:02.0: enabled 1

  673 18:28:56.443456    PCI: 00:14.0: enabled 1

  674 18:28:56.446818     USB0 port 0: enabled 1

  675 18:28:56.446926      USB2 port 0: enabled 1

  676 18:28:56.449788      USB2 port 1: enabled 1

  677 18:28:56.453507      USB2 port 2: enabled 1

  678 18:28:56.456584      USB2 port 4: enabled 1

  679 18:28:56.459875      USB2 port 8: enabled 1

  680 18:28:56.459954    PCI: 00:14.1: enabled 0

  681 18:28:56.463116    PCI: 00:14.2: enabled 1

  682 18:28:56.466509    PCI: 00:15.0: enabled 1

  683 18:28:56.469854     I2C: 00:5c: enabled 1

  684 18:28:56.473258    PCI: 00:15.1: enabled 1

  685 18:28:56.473374     I2C: 00:15: enabled 1

  686 18:28:56.476439    PCI: 00:15.2: enabled 0

  687 18:28:56.479732    PCI: 00:15.3: enabled 0

  688 18:28:56.483125    PCI: 00:16.0: enabled 1

  689 18:28:56.486537    PCI: 00:16.1: enabled 0

  690 18:28:56.486622    PCI: 00:16.2: enabled 0

  691 18:28:56.489812    PCI: 00:16.3: enabled 0

  692 18:28:56.493190    PCI: 00:16.4: enabled 0

  693 18:28:56.496471    PCI: 00:17.0: enabled 0

  694 18:28:56.496551    PCI: 00:19.0: enabled 1

  695 18:28:56.499638    PCI: 00:19.1: enabled 1

  696 18:28:56.502642     I2C: 00:39: enabled 1

  697 18:28:56.506320     I2C: 00:3a: enabled 1

  698 18:28:56.509392     I2C: 00:1a: enabled 1

  699 18:28:56.509515    PCI: 00:19.2: enabled 0

  700 18:28:56.513154    PCI: 00:1c.0: enabled 1

  701 18:28:56.516287     PCI: 00:00.0: enabled 1

  702 18:28:56.519542    PCI: 00:1c.1: enabled 0

  703 18:28:56.522765    PCI: 00:1c.2: enabled 0

  704 18:28:56.522852    PCI: 00:1c.3: enabled 0

  705 18:28:56.525801    PCI: 00:1c.4: enabled 0

  706 18:28:56.529167    PCI: 00:1c.5: enabled 0

  707 18:28:56.532607    PCI: 00:1c.6: enabled 0

  708 18:28:56.535977    PCI: 00:1c.7: enabled 0

  709 18:28:56.536062    PCI: 00:1d.0: enabled 0

  710 18:28:56.539226    PCI: 00:1d.1: enabled 0

  711 18:28:56.542557    PCI: 00:1d.2: enabled 0

  712 18:28:56.545772    PCI: 00:1d.3: enabled 0

  713 18:28:56.548918    PCI: 00:1e.0: enabled 1

  714 18:28:56.548997    PCI: 00:1e.1: enabled 0

  715 18:28:56.552829    PCI: 00:1e.2: enabled 1

  716 18:28:56.556103     SPI: 00: enabled 1

  717 18:28:56.559207    PCI: 00:1e.3: enabled 0

  718 18:28:56.559301    PCI: 00:1e.4: enabled 1

  719 18:28:56.562426    PCI: 00:1e.5: enabled 0

  720 18:28:56.565517    PCI: 00:1e.6: enabled 1

  721 18:28:56.568901    PCI: 00:1f.0: enabled 1

  722 18:28:56.572226     PNP: 0c09.0: enabled 1

  723 18:28:56.572314    PCI: 00:1f.1: enabled 1

  724 18:28:56.575653    PCI: 00:1f.2: enabled 1

  725 18:28:56.579037    PCI: 00:1f.3: enabled 1

  726 18:28:56.582339    PCI: 00:1f.4: enabled 1

  727 18:28:56.585563    PCI: 00:1f.5: enabled 1

  728 18:28:56.585675    PCI: 00:1f.6: enabled 0

  729 18:28:56.588784  Root Device scanning...

  730 18:28:56.592138  root_dev_scan_bus for Root Device

  731 18:28:56.595352  CPU_CLUSTER: 0 enabled

  732 18:28:56.595482  DOMAIN: 0000 enabled

  733 18:28:56.598711  DOMAIN: 0000 scanning...

  734 18:28:56.601911  PCI: pci_scan_bus for bus 00

  735 18:28:56.605563  PCI: 00:00.0 [8086/0000] ops

  736 18:28:56.608778  PCI: 00:00.0 [8086/590c] enabled

  737 18:28:56.612041  PCI: 00:02.0 [8086/0000] ops

  738 18:28:56.615075  PCI: 00:02.0 [8086/591c] enabled

  739 18:28:56.618632  PCI: 00:04.0 [8086/1903] enabled

  740 18:28:56.621724  PCI: 00:08.0 [8086/1911] enabled

  741 18:28:56.624955  PCI: 00:14.0 [8086/0000] bus ops

  742 18:28:56.628685  PCI: 00:14.0 [8086/9d2f] enabled

  743 18:28:56.631980  PCI: 00:14.2 [8086/9d31] enabled

  744 18:28:56.635184  PCI: 00:15.0 [8086/0000] bus ops

  745 18:28:56.638282  PCI: 00:15.0 [8086/9d60] enabled

  746 18:28:56.641726  PCI: 00:15.1 [8086/0000] bus ops

  747 18:28:56.645064  PCI: 00:15.1 [8086/9d61] enabled

  748 18:28:56.648275  PCI: 00:16.0 [8086/0000] ops

  749 18:28:56.651581  PCI: 00:16.0 [8086/9d3a] enabled

  750 18:28:56.654949  PCI: 00:19.0 [8086/0000] ops

  751 18:28:56.658122  PCI: 00:19.0 [8086/9d66] enabled

  752 18:28:56.661755  PCI: 00:19.1 [8086/0000] bus ops

  753 18:28:56.664909  PCI: 00:19.1 [8086/9d65] enabled

  754 18:28:56.667972  PCI: 00:1c.0 [8086/0000] bus ops

  755 18:28:56.671733  PCI: 00:1c.0 [8086/9d10] enabled

  756 18:28:56.674905  PCI: 00:1e.0 [8086/0000] ops

  757 18:28:56.678155  PCI: 00:1e.0 [8086/9d27] enabled

  758 18:28:56.681456  PCI: 00:1e.2 [8086/0000] bus ops

  759 18:28:56.684756  PCI: 00:1e.2 [8086/9d29] enabled

  760 18:28:56.688132  PCI: 00:1e.4 [8086/9d2b] enabled

  761 18:28:56.691353  PCI: 00:1e.6 [8086/0000] ops

  762 18:28:56.694712  PCI: 00:1e.6 [8086/9d2d] enabled

  763 18:28:56.698051  PCI: 00:1f.0 [8086/0000] bus ops

  764 18:28:56.701297  PCI: 00:1f.0 [8086/9d4b] enabled

  765 18:28:56.704673  PCI: Static device PCI: 00:1f.1 not found, disabling it.

  766 18:28:56.707875  PCI: 00:1f.2 [8086/0000] bus ops

  767 18:28:56.711109  PCI: 00:1f.2 [8086/9d21] enabled

  768 18:28:56.714361  PCI: 00:1f.3 [8086/0000] bus ops

  769 18:28:56.717557  PCI: 00:1f.3 [8086/9d71] enabled

  770 18:28:56.721308  PCI: 00:1f.4 [8086/0000] bus ops

  771 18:28:56.724406  PCI: 00:1f.4 [8086/9d23] enabled

  772 18:28:56.727563  PCI: 00:1f.5 [8086/0000] bus ops

  773 18:28:56.731257  PCI: 00:1f.5 [8086/9d24] enabled

  774 18:28:56.734314  PCI: 00:14.0 scanning...

  775 18:28:56.737557  scan_usb_bus for PCI: 00:14.0

  776 18:28:56.740664  USB0 port 0 enabled

  777 18:28:56.740776  USB0 port 0 scanning...

  778 18:28:56.744002  scan_usb_bus for USB0 port 0

  779 18:28:56.747230  USB2 port 0 enabled

  780 18:28:56.750652  USB2 port 1 enabled

  781 18:28:56.750736  USB2 port 2 enabled

  782 18:28:56.753850  USB2 port 4 enabled

  783 18:28:56.753943  USB2 port 8 enabled

  784 18:28:56.757259  USB2 port 0 scanning...

  785 18:28:56.760582  scan_usb_bus for USB2 port 0

  786 18:28:56.763978  scan_usb_bus for USB2 port 0 done

  787 18:28:56.770421  scan_bus: scanning of bus USB2 port 0 took 8974 usecs

  788 18:28:56.770541  USB2 port 1 scanning...

  789 18:28:56.774241  scan_usb_bus for USB2 port 1

  790 18:28:56.777343  scan_usb_bus for USB2 port 1 done

  791 18:28:56.784188  scan_bus: scanning of bus USB2 port 1 took 8964 usecs

  792 18:28:56.787426  USB2 port 2 scanning...

  793 18:28:56.790742  scan_usb_bus for USB2 port 2

  794 18:28:56.794072  scan_usb_bus for USB2 port 2 done

  795 18:28:56.797447  scan_bus: scanning of bus USB2 port 2 took 8972 usecs

  796 18:28:56.800855  USB2 port 4 scanning...

  797 18:28:56.804185  scan_usb_bus for USB2 port 4

  798 18:28:56.806961  scan_usb_bus for USB2 port 4 done

  799 18:28:56.813513  scan_bus: scanning of bus USB2 port 4 took 8972 usecs

  800 18:28:56.813624  USB2 port 8 scanning...

  801 18:28:56.816760  scan_usb_bus for USB2 port 8

  802 18:28:56.820112  scan_usb_bus for USB2 port 8 done

  803 18:28:56.827244  scan_bus: scanning of bus USB2 port 8 took 8972 usecs

  804 18:28:56.829983  scan_usb_bus for USB0 port 0 done

  805 18:28:56.837188  scan_bus: scanning of bus USB0 port 0 took 90939 usecs

  806 18:28:56.840316  scan_usb_bus for PCI: 00:14.0 done

  807 18:28:56.867865  scan_bus: scanning of bus PCI: 00:14.0 took 107726 usecs

  808 18:28:56.867984  PCI: 00:15.0 scanning...

  809 18:28:56.868102  scan_generic_bus for PCI: 00:15.0

  810 18:28:56.868218  bus: PCI: 00:15.0[0]->I2C: 01:5c enabled

  811 18:28:56.868335  scan_generic_bus for PCI: 00:15.0 done

  812 18:28:56.868449  scan_bus: scanning of bus PCI: 00:15.0 took 14150 usecs

  813 18:28:56.868566  PCI: 00:15.1 scanning...

  814 18:28:56.869938  scan_generic_bus for PCI: 00:15.1

  815 18:28:56.873246  bus: PCI: 00:15.1[0]->I2C: 02:15 enabled

  816 18:28:56.880066  scan_generic_bus for PCI: 00:15.1 done

  817 18:28:56.883290  scan_bus: scanning of bus PCI: 00:15.1 took 14157 usecs

  818 18:28:56.886408  PCI: 00:19.1 scanning...

  819 18:28:56.889512  scan_generic_bus for PCI: 00:19.1

  820 18:28:56.893342  bus: PCI: 00:19.1[0]->I2C: 03:39 enabled

  821 18:28:56.900056  bus: PCI: 00:19.1[0]->I2C: 03:3a enabled

  822 18:28:56.903299  bus: PCI: 00:19.1[0]->I2C: 03:1a enabled

  823 18:28:56.906035  scan_generic_bus for PCI: 00:19.1 done

  824 18:28:56.912717  scan_bus: scanning of bus PCI: 00:19.1 took 22363 usecs

  825 18:28:56.912854  PCI: 00:1c.0 scanning...

  826 18:28:56.919783  do_pci_scan_bridge for PCI: 00:1c.0

  827 18:28:56.919873  PCI: pci_scan_bus for bus 01

  828 18:28:56.923029  PCI: 01:00.0 [8086/095a] enabled

  829 18:28:56.926363  Capability: type 0x01 @ 0xc8

  830 18:28:56.929514  Capability: type 0x05 @ 0xd0

  831 18:28:56.932639  Capability: type 0x10 @ 0x40

  832 18:28:56.936002  Capability: type 0x10 @ 0x40

  833 18:28:56.939254  Enabling Common Clock Configuration

  834 18:28:56.942625  L1 Sub-State supported from root port 28

  835 18:28:56.945971  L1 Sub-State Support = 0xf

  836 18:28:56.949880  CommonModeRestoreTime = 0x28

  837 18:28:56.952877  Power On Value = 0x1e, Power On Scale = 0x0

  838 18:28:56.956047  ASPM: Enabled L1

  839 18:28:56.959092  Capability: type 0x01 @ 0xc8

  840 18:28:56.962911  Capability: type 0x05 @ 0xd0

  841 18:28:56.966096  Capability: type 0x10 @ 0x40

  842 18:28:56.969298  scan_bus: scanning of bus PCI: 00:1c.0 took 53526 usecs

  843 18:28:56.972555  PCI: 00:1e.2 scanning...

  844 18:28:56.975792  scan_generic_bus for PCI: 00:1e.2

  845 18:28:56.979260  bus: PCI: 00:1e.2[0]->SPI: 00 enabled

  846 18:28:56.985937  scan_generic_bus for PCI: 00:1e.2 done

  847 18:28:56.989118  scan_bus: scanning of bus PCI: 00:1e.2 took 13862 usecs

  848 18:28:56.992334  PCI: 00:1f.0 scanning...

  849 18:28:56.995520  scan_lpc_bus for PCI: 00:1f.0

  850 18:28:56.999275  PNP: 0c09.0 enabled

  851 18:28:57.002015  scan_lpc_bus for PCI: 00:1f.0 done

  852 18:28:57.005290  scan_bus: scanning of bus PCI: 00:1f.0 took 11322 usecs

  853 18:28:57.008660  PCI: 00:1f.2 scanning...

  854 18:28:57.011961  scan_lpc_bus for PCI: 00:1f.2

  855 18:28:57.015284  scan_lpc_bus for PCI: 00:1f.2 done

  856 18:28:57.022005  scan_bus: scanning of bus PCI: 00:1f.2 took 9262 usecs

  857 18:28:57.025137  PCI: 00:1f.3 scanning...

  858 18:28:57.028462  scan_bus: scanning of bus PCI: 00:1f.3 took 2718 usecs

  859 18:28:57.031689  PCI: 00:1f.4 scanning...

  860 18:28:57.034877  scan_generic_bus for PCI: 00:1f.4

  861 18:28:57.038127  scan_generic_bus for PCI: 00:1f.4 done

  862 18:28:57.045254  scan_bus: scanning of bus PCI: 00:1f.4 took 10044 usecs

  863 18:28:57.047973  PCI: 00:1f.5 scanning...

  864 18:28:57.051348  scan_generic_bus for PCI: 00:1f.5

  865 18:28:57.054737  scan_generic_bus for PCI: 00:1f.5 done

  866 18:28:57.061020  scan_bus: scanning of bus PCI: 00:1f.5 took 10046 usecs

  867 18:28:57.067753  scan_bus: scanning of bus DOMAIN: 0000 took 465956 usecs

  868 18:28:57.071053  root_dev_scan_bus for Root Device done

  869 18:28:57.074353  scan_bus: scanning of bus Root Device took 486065 usecs

  870 18:28:57.077538  done

  871 18:28:57.081594  Chrome EC: UHEPI supported

  872 18:28:57.084265  FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes)

  873 18:28:57.090989  MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'.

  874 18:28:57.101343  SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000

  875 18:28:57.107989  FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes)

  876 18:28:57.110695  SPI flash protection: WPSW=0 SRP0=0

  877 18:28:57.114624  MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'.

  878 18:28:57.120578  BS: BS_DEV_ENUMERATE times (us): entry 0 run 825753 exit 39352

  879 18:28:57.123977  found VGA at PCI: 00:02.0

  880 18:28:57.127306  Setting up VGA for PCI: 00:02.0

  881 18:28:57.188946  Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000

  882 18:28:57.189358  Setting PCI_BRIDGE_CTL_VGA for bridge Root Device

  883 18:28:57.189510  Allocating resources...

  884 18:28:57.189644  Reading resources...

  885 18:28:57.189772  Root Device read_resources bus 0 link: 0

  886 18:28:57.189892  CPU_CLUSTER: 0 read_resources bus 0 link: 0

  887 18:28:57.190014  CPU_CLUSTER: 0 read_resources bus 0 link: 0 done

  888 18:28:57.190135  DOMAIN: 0000 read_resources bus 0 link: 0

  889 18:28:57.190258  PCI: 00:14.0 read_resources bus 0 link: 0

  890 18:28:57.190378  USB0 port 0 read_resources bus 0 link: 0

  891 18:28:57.190500  USB0 port 0 read_resources bus 0 link: 0 done

  892 18:28:57.190623  PCI: 00:14.0 read_resources bus 0 link: 0 done

  893 18:28:57.190745  PCI: 00:15.0 read_resources bus 1 link: 0

  894 18:28:57.190881  PCI: 00:15.0 read_resources bus 1 link: 0 done

  895 18:28:57.193714  PCI: 00:15.1 read_resources bus 2 link: 0

  896 18:28:57.200288  PCI: 00:15.1 read_resources bus 2 link: 0 done

  897 18:28:57.203485  PCI: 00:19.1 read_resources bus 3 link: 0

  898 18:28:57.209791  PCI: 00:19.1 read_resources bus 3 link: 0 done

  899 18:28:57.213637  PCI: 00:1c.0 read_resources bus 1 link: 0

  900 18:28:57.219655  PCI: 00:1c.0 read_resources bus 1 link: 0 done

  901 18:28:57.222996  PCI: 00:1e.2 read_resources bus 4 link: 0

  902 18:28:57.229667  PCI: 00:1e.2 read_resources bus 4 link: 0 done

  903 18:28:57.233006  PCI: 00:1f.0 read_resources bus 0 link: 0

  904 18:28:57.239488  PCI: 00:1f.0 read_resources bus 0 link: 0 done

  905 18:28:57.242776  DOMAIN: 0000 read_resources bus 0 link: 0 done

  906 18:28:57.249776  Root Device read_resources bus 0 link: 0 done

  907 18:28:57.253279  Done reading resources.

  908 18:28:57.256008  Show resources in subtree (Root Device)...After reading.

  909 18:28:57.262731   Root Device child on link 0 CPU_CLUSTER: 0

  910 18:28:57.265994    CPU_CLUSTER: 0 child on link 0 APIC: 00

  911 18:28:57.266107     APIC: 00

  912 18:28:57.269322     APIC: 01

  913 18:28:57.269426     APIC: 02

  914 18:28:57.269529     APIC: 03

  915 18:28:57.276063    DOMAIN: 0000 child on link 0 PCI: 00:00.0

  916 18:28:57.286328    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000

  917 18:28:57.292401    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100

  918 18:28:57.296141     PCI: 00:00.0

  919 18:28:57.305853     PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0

  920 18:28:57.315638     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

  921 18:28:57.326005     PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2

  922 18:28:57.332230     PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3

  923 18:28:57.342234     PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4

  924 18:28:57.351991     PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5

  925 18:28:57.362046     PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6

  926 18:28:57.371900     PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7

  927 18:28:57.378649     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8

  928 18:28:57.388624     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9

  929 18:28:57.398276     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

  930 18:28:57.408436     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c

  931 18:28:57.417931     PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d

  932 18:28:57.427997     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e

  933 18:28:57.435009     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f

  934 18:28:57.438256     PCI: 00:02.0

  935 18:28:57.448052     PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10

  936 18:28:57.457874     PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18

  937 18:28:57.468013     PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20

  938 18:28:57.468153     PCI: 00:04.0

  939 18:28:57.477457     PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10

  940 18:28:57.480917     PCI: 00:08.0

  941 18:28:57.490778     PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  942 18:28:57.494039     PCI: 00:14.0 child on link 0 USB0 port 0

  943 18:28:57.504030     PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10

  944 18:28:57.507715      USB0 port 0 child on link 0 USB2 port 0

  945 18:28:57.510957       USB2 port 0

  946 18:28:57.511038       USB2 port 1

  947 18:28:57.514117       USB2 port 2

  948 18:28:57.517462       USB2 port 4

  949 18:28:57.517543       USB2 port 8

  950 18:28:57.520862     PCI: 00:14.1

  951 18:28:57.520947     PCI: 00:14.2

  952 18:28:57.530748     PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  953 18:28:57.533732     PCI: 00:15.0 child on link 0 I2C: 01:5c

  954 18:28:57.543996     PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  955 18:28:57.547235      I2C: 01:5c

  956 18:28:57.550355     PCI: 00:15.1 child on link 0 I2C: 02:15

  957 18:28:57.560646     PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  958 18:28:57.563988      I2C: 02:15

  959 18:28:57.564069     PCI: 00:15.2

  960 18:28:57.567231     PCI: 00:15.3

  961 18:28:57.567348     PCI: 00:16.0

  962 18:28:57.576902     PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  963 18:28:57.580226     PCI: 00:16.1

  964 18:28:57.580334     PCI: 00:16.2

  965 18:28:57.583552     PCI: 00:16.3

  966 18:28:57.583660     PCI: 00:16.4

  967 18:28:57.586932     PCI: 00:17.0

  968 18:28:57.587046     PCI: 00:19.0

  969 18:28:57.596918     PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10

  970 18:28:57.606374     PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  971 18:28:57.612905     PCI: 00:19.1 child on link 0 I2C: 03:39

  972 18:28:57.623362     PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  973 18:28:57.623470      I2C: 03:39

  974 18:28:57.626568      I2C: 03:3a

  975 18:28:57.626653      I2C: 03:1a

  976 18:28:57.629814     PCI: 00:19.2

  977 18:28:57.633111     PCI: 00:1c.0 child on link 0 PCI: 01:00.0

  978 18:28:57.642898     PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c

  979 18:28:57.652713     PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24

  980 18:28:57.659260     PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20

  981 18:28:57.663073      PCI: 01:00.0

  982 18:28:57.672983      PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10

  983 18:28:57.673087     PCI: 00:1c.1

  984 18:28:57.676369     PCI: 00:1c.2

  985 18:28:57.676456     PCI: 00:1c.3

  986 18:28:57.679668     PCI: 00:1c.4

  987 18:28:57.679749     PCI: 00:1c.5

  988 18:28:57.682338     PCI: 00:1c.6

  989 18:28:57.682429     PCI: 00:1c.7

  990 18:28:57.685723     PCI: 00:1d.0

  991 18:28:57.685803     PCI: 00:1d.1

  992 18:28:57.689130     PCI: 00:1d.2

  993 18:28:57.689214     PCI: 00:1d.3

  994 18:28:57.692450     PCI: 00:1e.0

  995 18:28:57.702246     PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  996 18:28:57.702384     PCI: 00:1e.1

  997 18:28:57.708886     PCI: 00:1e.2 child on link 0 SPI: 00

  998 18:28:57.719452     PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  999 18:28:57.719557      SPI: 00

 1000 18:28:57.719627     PCI: 00:1e.3

 1001 18:28:57.722525     PCI: 00:1e.4

 1002 18:28:57.732569     PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

 1003 18:28:57.732702     PCI: 00:1e.5

 1004 18:28:57.735858     PCI: 00:1e.6

 1005 18:28:57.745221     PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

 1006 18:28:57.748597     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

 1007 18:28:57.758453     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

 1008 18:28:57.758591      PNP: 0c09.0

 1009 18:28:57.768732      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1010 18:28:57.772109     PCI: 00:1f.1

 1011 18:28:57.772197     PCI: 00:1f.2

 1012 18:28:57.782304     PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10

 1013 18:28:57.791811     PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48

 1014 18:28:57.798509     PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40

 1015 18:28:57.801987     PCI: 00:1f.3

 1016 18:28:57.851332     PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10

 1017 18:28:57.851491     PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20

 1018 18:28:57.851606     PCI: 00:1f.4

 1019 18:28:57.851717     PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20

 1020 18:28:57.851813     PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10

 1021 18:28:57.851903     PCI: 00:1f.5

 1022 18:28:57.852009     PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10

 1023 18:28:57.901210     PCI: 00:1f.6

 1024 18:28:57.901576  DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff

 1025 18:28:57.901697  PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff

 1026 18:28:57.901808  PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done

 1027 18:28:57.901901  PCI: 00:02.0 20 *  [0x0 - 0x3f] io

 1028 18:28:57.901992  DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done

 1029 18:28:57.902098  DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff

 1030 18:28:57.902190  PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff

 1031 18:28:57.951339  PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done

 1032 18:28:57.952064  PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff

 1033 18:28:57.952357  PCI: 01:00.0 10 *  [0x0 - 0x1fff] mem

 1034 18:28:57.952451  PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done

 1035 18:28:57.952538  PCI: 00:02.0 18 *  [0x0 - 0xfffffff] prefmem

 1036 18:28:57.952658  PCI: 00:02.0 10 *  [0x10000000 - 0x10ffffff] mem

 1037 18:28:57.952751  PCI: 00:1c.0 20 *  [0x11000000 - 0x110fffff] mem

 1038 18:28:57.952852  PCI: 00:14.0 10 *  [0x11100000 - 0x1110ffff] mem

 1039 18:28:57.952940  PCI: 00:1f.3 20 *  [0x11110000 - 0x1111ffff] mem

 1040 18:28:57.958977  PCI: 00:04.0 10 *  [0x11120000 - 0x11127fff] mem

 1041 18:28:57.962257  PCI: 00:1f.2 10 *  [0x11128000 - 0x1112bfff] mem

 1042 18:28:57.965645  PCI: 00:1f.3 10 *  [0x1112c000 - 0x1112ffff] mem

 1043 18:28:57.968813  PCI: 00:08.0 10 *  [0x11130000 - 0x11130fff] mem

 1044 18:28:57.975605  PCI: 00:14.2 10 *  [0x11131000 - 0x11131fff] mem

 1045 18:28:58.114470  PCI: 00:15.0 10 *  [0x11132000 - 0x11132fff] mem

 1046 18:28:58.114929  PCI: 00:15.1 10 *  [0x11133000 - 0x11133fff] mem

 1047 18:28:58.115048  PCI: 00:16.0 10 *  [0x11134000 - 0x11134fff] mem

 1048 18:28:58.115185  PCI: 00:19.0 18 *  [0x11135000 - 0x11135fff] mem

 1049 18:28:58.115283  PCI: 00:19.1 10 *  [0x11136000 - 0x11136fff] mem

 1050 18:28:58.115408  PCI: 00:1e.0 10 *  [0x11137000 - 0x11137fff] mem

 1051 18:28:58.115505  PCI: 00:1e.2 10 *  [0x11138000 - 0x11138fff] mem

 1052 18:28:58.115615  PCI: 00:1e.4 10 *  [0x11139000 - 0x11139fff] mem

 1053 18:28:58.115726  PCI: 00:1e.6 10 *  [0x1113a000 - 0x1113afff] mem

 1054 18:28:58.115821  PCI: 00:1f.5 10 *  [0x1113b000 - 0x1113bfff] mem

 1055 18:28:58.115968  PCI: 00:1f.4 10 *  [0x1113c000 - 0x1113c0ff] mem

 1056 18:28:58.116079  DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done

 1057 18:28:58.116173  avoid_fixed_resources: DOMAIN: 0000

 1058 18:28:58.116267  avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff

 1059 18:28:58.116363  avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff

 1060 18:28:58.116485  constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed)

 1061 18:28:58.116595  constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed)

 1062 18:28:58.116720  constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed)

 1063 18:28:58.116824  constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed)

 1064 18:28:58.116972  constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed)

 1065 18:28:58.117087  constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed)

 1066 18:28:58.117184  constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed)

 1067 18:28:58.117281  constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed)

 1068 18:28:58.157014  avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f

 1069 18:28:58.157176  avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff

 1070 18:28:58.157244  Setting resources...

 1071 18:28:58.157304  DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f

 1072 18:28:58.157362  PCI: 00:02.0 20 *  [0x1c00 - 0x1c3f] io

 1073 18:28:58.157428  DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done

 1074 18:28:58.157514  PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f

 1075 18:28:58.157775  PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done

 1076 18:28:58.167492  DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff

 1077 18:28:58.170519  PCI: 00:02.0 18 *  [0xc0000000 - 0xcfffffff] prefmem

 1078 18:28:58.176897  PCI: 00:02.0 10 *  [0xd0000000 - 0xd0ffffff] mem

 1079 18:28:58.180716  PCI: 00:1c.0 20 *  [0xd1000000 - 0xd10fffff] mem

 1080 18:28:58.187282  PCI: 00:14.0 10 *  [0xd1100000 - 0xd110ffff] mem

 1081 18:28:58.190437  PCI: 00:1f.3 20 *  [0xd1110000 - 0xd111ffff] mem

 1082 18:28:58.197184  PCI: 00:04.0 10 *  [0xd1120000 - 0xd1127fff] mem

 1083 18:28:58.200410  PCI: 00:1f.2 10 *  [0xd1128000 - 0xd112bfff] mem

 1084 18:28:58.203604  PCI: 00:1f.3 10 *  [0xd112c000 - 0xd112ffff] mem

 1085 18:28:58.210129  PCI: 00:08.0 10 *  [0xd1130000 - 0xd1130fff] mem

 1086 18:28:58.213338  PCI: 00:14.2 10 *  [0xd1131000 - 0xd1131fff] mem

 1087 18:28:58.219996  PCI: 00:15.0 10 *  [0xd1132000 - 0xd1132fff] mem

 1088 18:28:58.223283  PCI: 00:15.1 10 *  [0xd1133000 - 0xd1133fff] mem

 1089 18:28:58.229955  PCI: 00:16.0 10 *  [0xd1134000 - 0xd1134fff] mem

 1090 18:28:58.233114  PCI: 00:19.0 18 *  [0xd1135000 - 0xd1135fff] mem

 1091 18:28:58.239682  PCI: 00:19.1 10 *  [0xd1136000 - 0xd1136fff] mem

 1092 18:28:58.243017  PCI: 00:1e.0 10 *  [0xd1137000 - 0xd1137fff] mem

 1093 18:28:58.249604  PCI: 00:1e.2 10 *  [0xd1138000 - 0xd1138fff] mem

 1094 18:28:58.253021  PCI: 00:1e.4 10 *  [0xd1139000 - 0xd1139fff] mem

 1095 18:28:58.259970  PCI: 00:1e.6 10 *  [0xd113a000 - 0xd113afff] mem

 1096 18:28:58.263007  PCI: 00:1f.5 10 *  [0xd113b000 - 0xd113bfff] mem

 1097 18:28:58.269447  PCI: 00:1f.4 10 *  [0xd113c000 - 0xd113c0ff] mem

 1098 18:28:58.276447  DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done

 1099 18:28:58.282915  PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff

 1100 18:28:58.289329  PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done

 1101 18:28:58.299175  PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff

 1102 18:28:58.303023  PCI: 01:00.0 10 *  [0xd1000000 - 0xd1001fff] mem

 1103 18:28:58.309083  PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done

 1104 18:28:58.315552  Root Device assign_resources, bus 0 link: 0

 1105 18:28:58.319432  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1106 18:28:58.329273  PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64

 1107 18:28:58.335884  PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64

 1108 18:28:58.342582  PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io

 1109 18:28:58.352067  PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64

 1110 18:28:58.358522  PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64

 1111 18:28:58.368336  PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64

 1112 18:28:58.371973  PCI: 00:14.0 assign_resources, bus 0 link: 0

 1113 18:28:58.378803  PCI: 00:14.0 assign_resources, bus 0 link: 0

 1114 18:28:58.385215  PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64

 1115 18:28:58.395089  PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64

 1116 18:28:58.398237  PCI: 00:15.0 assign_resources, bus 1 link: 0

 1117 18:28:58.401662  PCI: 00:15.0 assign_resources, bus 1 link: 0

 1118 18:28:58.514867  PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64

 1119 18:28:58.515045  PCI: 00:15.1 assign_resources, bus 2 link: 0

 1120 18:28:58.515157  PCI: 00:15.1 assign_resources, bus 2 link: 0

 1121 18:28:58.515256  PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64

 1122 18:28:58.515355  PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64

 1123 18:28:58.515458  PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64

 1124 18:28:58.515560  PCI: 00:19.1 assign_resources, bus 3 link: 0

 1125 18:28:58.515662  PCI: 00:19.1 assign_resources, bus 3 link: 0

 1126 18:28:58.515764  PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io

 1127 18:28:58.515863  PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem

 1128 18:28:58.515968  PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem

 1129 18:28:58.516068  PCI: 00:1c.0 assign_resources, bus 1 link: 0

 1130 18:28:58.516181  PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64

 1131 18:28:58.516291  PCI: 00:1c.0 assign_resources, bus 1 link: 0

 1132 18:28:58.516385  PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64

 1133 18:28:58.516494  PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64

 1134 18:28:58.517220  PCI: 00:1e.2 assign_resources, bus 4 link: 0

 1135 18:28:58.523834  PCI: 00:1e.2 assign_resources, bus 4 link: 0

 1136 18:28:58.530067  PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64

 1137 18:28:58.537183  PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64

 1138 18:28:58.543711  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1139 18:28:58.547123  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1140 18:28:58.553754  LPC: Trying to open IO window from 800 size 1ff

 1141 18:28:58.559904  PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem

 1142 18:28:58.569932  PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64

 1143 18:28:58.576687  PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64

 1144 18:28:58.629188  PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64

 1145 18:28:58.629345  PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem

 1146 18:28:58.629449  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1147 18:28:58.629551  Root Device assign_resources, bus 0 link: 0

 1148 18:28:58.629651  Done setting resources.

 1149 18:28:58.629750  Show resources in subtree (Root Device)...After assigning values.

 1150 18:28:58.629839   Root Device child on link 0 CPU_CLUSTER: 0

 1151 18:28:58.629926    CPU_CLUSTER: 0 child on link 0 APIC: 00

 1152 18:28:58.630020     APIC: 00

 1153 18:28:58.630106     APIC: 01

 1154 18:28:58.630207     APIC: 02

 1155 18:28:58.630292     APIC: 03

 1156 18:28:58.630395    DOMAIN: 0000 child on link 0 PCI: 00:00.0

 1157 18:28:58.639246    DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000

 1158 18:28:58.725623    DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100

 1159 18:28:58.725838     PCI: 00:00.0

 1160 18:28:58.725980     PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0

 1161 18:28:58.726100     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

 1162 18:28:58.726223     PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2

 1163 18:28:58.726344     PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3

 1164 18:28:58.726467     PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4

 1165 18:28:58.726591     PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5

 1166 18:28:58.726717     PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6

 1167 18:28:58.727046     PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7

 1168 18:28:58.735625     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8

 1169 18:28:58.745055     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9

 1170 18:28:58.754933     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

 1171 18:28:58.765059     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c

 1172 18:28:58.774930     PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d

 1173 18:28:58.781509     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e

 1174 18:28:58.791696     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f

 1175 18:28:58.794947     PCI: 00:02.0

 1176 18:28:58.804434     PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10

 1177 18:28:58.814574     PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18

 1178 18:28:58.824374     PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20

 1179 18:28:58.824492     PCI: 00:04.0

 1180 18:28:58.834638     PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10

 1181 18:28:58.837696     PCI: 00:08.0

 1182 18:28:58.847492     PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10

 1183 18:28:58.850689     PCI: 00:14.0 child on link 0 USB0 port 0

 1184 18:28:58.861097     PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10

 1185 18:28:58.867651      USB0 port 0 child on link 0 USB2 port 0

 1186 18:28:58.867743       USB2 port 0

 1187 18:28:58.871037       USB2 port 1

 1188 18:28:58.871115       USB2 port 2

 1189 18:28:58.874459       USB2 port 4

 1190 18:28:58.874571       USB2 port 8

 1191 18:28:58.877686     PCI: 00:14.1

 1192 18:28:58.877788     PCI: 00:14.2

 1193 18:28:58.890909     PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10

 1194 18:28:58.894265     PCI: 00:15.0 child on link 0 I2C: 01:5c

 1195 18:28:58.903593     PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10

 1196 18:28:58.903693      I2C: 01:5c

 1197 18:28:58.910730     PCI: 00:15.1 child on link 0 I2C: 02:15

 1198 18:28:58.920608     PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10

 1199 18:28:58.920722      I2C: 02:15

 1200 18:28:58.923958     PCI: 00:15.2

 1201 18:28:58.924065     PCI: 00:15.3

 1202 18:28:58.927183     PCI: 00:16.0

 1203 18:28:58.937274     PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10

 1204 18:28:58.937396     PCI: 00:16.1

 1205 18:28:58.940535     PCI: 00:16.2

 1206 18:28:58.940638     PCI: 00:16.3

 1207 18:28:58.943600     PCI: 00:16.4

 1208 18:28:58.943697     PCI: 00:17.0

 1209 18:28:58.946777     PCI: 00:19.0

 1210 18:28:58.956860     PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10

 1211 18:28:58.966312     PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18

 1212 18:28:58.973011     PCI: 00:19.1 child on link 0 I2C: 03:39

 1213 18:28:58.983053     PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10

 1214 18:28:58.983183      I2C: 03:39

 1215 18:28:58.986135      I2C: 03:3a

 1216 18:28:58.986235      I2C: 03:1a

 1217 18:28:58.989470     PCI: 00:19.2

 1218 18:28:58.993066     PCI: 00:1c.0 child on link 0 PCI: 01:00.0

 1219 18:28:59.003022     PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c

 1220 18:28:59.012920     PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24

 1221 18:28:59.022975     PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20

 1222 18:28:59.026272      PCI: 01:00.0

 1223 18:28:59.036056      PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10

 1224 18:28:59.036164     PCI: 00:1c.1

 1225 18:28:59.039280     PCI: 00:1c.2

 1226 18:28:59.039362     PCI: 00:1c.3

 1227 18:28:59.042504     PCI: 00:1c.4

 1228 18:28:59.042580     PCI: 00:1c.5

 1229 18:28:59.045574     PCI: 00:1c.6

 1230 18:28:59.045684     PCI: 00:1c.7

 1231 18:28:59.048735     PCI: 00:1d.0

 1232 18:28:59.048846     PCI: 00:1d.1

 1233 18:28:59.052521     PCI: 00:1d.2

 1234 18:28:59.052628     PCI: 00:1d.3

 1235 18:28:59.055856     PCI: 00:1e.0

 1236 18:28:59.065877     PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10

 1237 18:28:59.068972     PCI: 00:1e.1

 1238 18:28:59.072129     PCI: 00:1e.2 child on link 0 SPI: 00

 1239 18:28:59.081814     PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10

 1240 18:28:59.081903      SPI: 00

 1241 18:28:59.085198     PCI: 00:1e.3

 1242 18:28:59.085310     PCI: 00:1e.4

 1243 18:28:59.095211     PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10

 1244 18:28:59.098631     PCI: 00:1e.5

 1245 18:28:59.098715     PCI: 00:1e.6

 1246 18:28:59.108552     PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10

 1247 18:28:59.115254     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

 1248 18:28:59.121900     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

 1249 18:28:59.124717      PNP: 0c09.0

 1250 18:28:59.134986      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1251 18:28:59.135101     PCI: 00:1f.1

 1252 18:28:59.138229     PCI: 00:1f.2

 1253 18:28:59.148064     PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10

 1254 18:28:59.157551     PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48

 1255 18:28:59.164248     PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40

 1256 18:28:59.167624     PCI: 00:1f.3

 1257 18:28:59.177289     PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10

 1258 18:28:59.187143     PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20

 1259 18:28:59.190530     PCI: 00:1f.4

 1260 18:28:59.197251     PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20

 1261 18:28:59.207156     PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10

 1262 18:28:59.210582     PCI: 00:1f.5

 1263 18:28:59.220689     PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10

 1264 18:28:59.223993     PCI: 00:1f.6

 1265 18:28:59.224071  Done allocating resources.

 1266 18:28:59.230348  BS: BS_DEV_RESOURCES times (us): entry 0 run 2113747 exit 29

 1267 18:28:59.233556  Enabling resources...

 1268 18:28:59.236589  PCI: 00:00.0 subsystem <- 8086/590c

 1269 18:28:59.240375  PCI: 00:00.0 cmd <- 06

 1270 18:28:59.243327  PCI: 00:02.0 subsystem <- 8086/591c

 1271 18:28:59.246503  PCI: 00:02.0 cmd <- 03

 1272 18:28:59.249778  PCI: 00:04.0 cmd <- 02

 1273 18:28:59.249893  PCI: 00:08.0 cmd <- 06

 1274 18:28:59.256859  PCI: 00:14.0 subsystem <- 8086/9d2f

 1275 18:28:59.256996  PCI: 00:14.0 cmd <- 02

 1276 18:28:59.259944  PCI: 00:14.2 subsystem <- 8086/9d31

 1277 18:28:59.263089  PCI: 00:14.2 cmd <- 02

 1278 18:28:59.266335  PCI: 00:15.0 subsystem <- 8086/9d60

 1279 18:28:59.269641  PCI: 00:15.0 cmd <- 06

 1280 18:28:59.272949  PCI: 00:15.1 subsystem <- 8086/9d61

 1281 18:28:59.276217  PCI: 00:15.1 cmd <- 06

 1282 18:28:59.279492  PCI: 00:16.0 subsystem <- 8086/9d3a

 1283 18:28:59.282674  PCI: 00:16.0 cmd <- 02

 1284 18:28:59.286605  PCI: 00:19.0 subsystem <- 8086/9d66

 1285 18:28:59.286688  PCI: 00:19.0 cmd <- 06

 1286 18:28:59.293154  PCI: 00:19.1 subsystem <- 8086/9d65

 1287 18:28:59.293277  PCI: 00:19.1 cmd <- 06

 1288 18:28:59.296355  PCI: 00:1c.0 bridge ctrl <- 0003

 1289 18:28:59.299706  PCI: 00:1c.0 subsystem <- 8086/9d10

 1290 18:28:59.302977  PCI: 00:1c.0 cmd <- 06

 1291 18:28:59.306295  PCI: 00:1e.0 subsystem <- 8086/9d27

 1292 18:28:59.309710  PCI: 00:1e.0 cmd <- 06

 1293 18:28:59.313145  PCI: 00:1e.2 subsystem <- 8086/9d29

 1294 18:28:59.316401  PCI: 00:1e.2 cmd <- 06

 1295 18:28:59.319740  PCI: 00:1e.4 subsystem <- 8086/9d2b

 1296 18:28:59.322461  PCI: 00:1e.4 cmd <- 06

 1297 18:28:59.325826  PCI: 00:1e.6 subsystem <- 8086/9d2d

 1298 18:28:59.329212  PCI: 00:1e.6 cmd <- 06

 1299 18:28:59.332535  PCI: 00:1f.0 subsystem <- 8086/9d4b

 1300 18:28:59.332619  PCI: 00:1f.0 cmd <- 407

 1301 18:28:59.339039  PCI: 00:1f.2 subsystem <- 8086/9d21

 1302 18:28:59.339122  PCI: 00:1f.2 cmd <- 02

 1303 18:28:59.342726  PCI: 00:1f.3 subsystem <- 8086/9d71

 1304 18:28:59.345767  PCI: 00:1f.3 cmd <- 02

 1305 18:28:59.349130  PCI: 00:1f.4 subsystem <- 8086/9d23

 1306 18:28:59.352651  PCI: 00:1f.4 cmd <- 03

 1307 18:28:59.355931  PCI: 00:1f.5 subsystem <- 8086/9d24

 1308 18:28:59.359036  PCI: 00:1f.5 cmd <- 406

 1309 18:28:59.366474  PCI: 01:00.0 subsystem <- 8086/095a

 1310 18:28:59.366582  PCI: 01:00.0 cmd <- 02

 1311 18:28:59.370757  done.

 1312 18:28:59.390261  ME: Version : 11.8.50.3470

 1313 18:28:59.396756  BS: BS_DEV_ENABLE times (us): entry 227 run 139236 exit 21560

 1314 18:28:59.400557  Initializing devices...

 1315 18:28:59.403862  Root Device init ...

 1316 18:28:59.407223  Chrome EC: Set SMI mask to 0x0000000000000001

 1317 18:28:59.413829  Chrome EC: Set S5 LAZY WAKE mask to 0x0000000000000006

 1318 18:28:59.420657  Chrome EC: Set S3 LAZY WAKE mask to 0x0000000010001006

 1319 18:28:59.424046  Chrome EC: Set S0iX LAZY WAKE mask to 0x0000000010001006

 1320 18:28:59.430843  Chrome EC: Set WAKE mask to 0x0000000000000000

 1321 18:28:59.433548  Root Device init finished in 30854 usecs

 1322 18:28:59.436981  CPU_CLUSTER: 0 init ...

 1323 18:28:59.440197  CPU_CLUSTER: 0 init finished in 2443 usecs

 1324 18:28:59.444973  PCI: 00:00.0 init ...

 1325 18:28:59.448206  CPU TDP: 5 Watts

 1326 18:28:59.451348  CPU PL2 = 18 Watts

 1327 18:28:59.454472  PCI: 00:00.0 init finished in 6981 usecs

 1328 18:28:59.458016  PCI: 00:02.0 init ...

 1329 18:28:59.461028  PCI: 00:02.0 init finished in 2249 usecs

 1330 18:28:59.464242  PCI: 00:04.0 init ...

 1331 18:28:59.467413  PCI: 00:04.0 init finished in 2249 usecs

 1332 18:28:59.471210  PCI: 00:08.0 init ...

 1333 18:28:59.474306  PCI: 00:08.0 init finished in 2249 usecs

 1334 18:28:59.477423  PCI: 00:14.0 init ...

 1335 18:28:59.480760  PCI: 00:14.0 init finished in 2249 usecs

 1336 18:28:59.484536  PCI: 00:14.2 init ...

 1337 18:28:59.487206  PCI: 00:14.2 init finished in 2248 usecs

 1338 18:28:59.490566  PCI: 00:15.0 init ...

 1339 18:28:59.493917  DW I2C bus 0 at 0xd1132000 (400 KHz)

 1340 18:28:59.497185  PCI: 00:15.0 init finished in 5965 usecs

 1341 18:28:59.500953  PCI: 00:15.1 init ...

 1342 18:28:59.504416  DW I2C bus 1 at 0xd1133000 (400 KHz)

 1343 18:28:59.507055  PCI: 00:15.1 init finished in 5967 usecs

 1344 18:28:59.510358  PCI: 00:16.0 init ...

 1345 18:28:59.513709  PCI: 00:16.0 init finished in 2248 usecs

 1346 18:28:59.517697  PCI: 00:19.1 init ...

 1347 18:28:59.521083  DW I2C bus 5 at 0xd1136000 (400 KHz)

 1348 18:28:59.527768  PCI: 00:19.1 init finished in 5965 usecs

 1349 18:28:59.527855  PCI: 00:1c.0 init ...

 1350 18:28:59.531038  Initializing PCH PCIe bridge.

 1351 18:28:59.537870  PCI: 00:1c.0 init finished in 5286 usecs

 1352 18:28:59.541778  PCI: 00:1e.4 init ...

 1353 18:28:59.545067  PCI: 00:1e.4 init finished in 2248 usecs

 1354 18:28:59.548397  PCI: 00:1f.0 init ...

 1355 18:28:59.551746  IOAPIC: Initializing IOAPIC at 0xfec00000

 1356 18:28:59.558290  IOAPIC: Bootstrap Processor Local APIC = 0x00

 1357 18:28:59.558386  IOAPIC: ID = 0x02

 1358 18:28:59.561584  IOAPIC: Dumping registers

 1359 18:28:59.564767    reg 0x0000: 0x02000000

 1360 18:28:59.568453    reg 0x0001: 0x00770020

 1361 18:28:59.571583    reg 0x0002: 0x00000000

 1362 18:28:59.574916  PCI: 00:1f.0 init finished in 23465 usecs

 1363 18:28:59.578209  PCI: 00:1f.2 init ...

 1364 18:28:59.578360  RTC Init

 1365 18:28:59.581288  Set power on after power failure.

 1366 18:28:59.584551  Disabling ACPI via APMC:

 1367 18:28:59.588936  done.

 1368 18:28:59.589047  Disabling Deep S3

 1369 18:28:59.592599  Disabling Deep S3

 1370 18:28:59.592709  Enabling Deep S4

 1371 18:28:59.596447  Enabling Deep S4

 1372 18:28:59.596552  Enabling Deep S5

 1373 18:28:59.599297  Enabling Deep S5

 1374 18:28:59.602657  PCI: 00:1f.2 init finished in 23808 usecs

 1375 18:28:59.605846  PCI: 00:1f.4 init ...

 1376 18:28:59.609032  PCI: 00:1f.4 init finished in 2258 usecs

 1377 18:28:59.614154  PCI: 01:00.0 init ...

 1378 18:28:59.617499  PCI: 01:00.0 init finished in 2380 usecs

 1379 18:28:59.621646  PNP: 0c09.0 init ...

 1380 18:28:59.628538  Google Chrome EC: Hello got back 11223344 status (0)

 1381 18:28:59.631167  Google Chrome EC: version:

 1382 18:28:59.634630      ro: rammus_v2.0.387-f0df0fe2e

 1383 18:28:59.638051      rw: rammus_v2.0.425-6e0dd622e

 1384 18:28:59.641320    running image: 1

 1385 18:28:59.644741  EC returned error result code 1

 1386 18:28:59.647968  PNP: 0c09.0 init finished in 24382 usecs

 1387 18:28:59.651225  Devices initialized

 1388 18:28:59.651314  Show all devs... After init.

 1389 18:28:59.654543  Root Device: enabled 1

 1390 18:28:59.658052  CPU_CLUSTER: 0: enabled 1

 1391 18:28:59.661342  DOMAIN: 0000: enabled 1

 1392 18:28:59.661424  APIC: 00: enabled 1

 1393 18:28:59.664607  PCI: 00:00.0: enabled 1

 1394 18:28:59.667959  PCI: 00:02.0: enabled 1

 1395 18:28:59.671324  PCI: 00:14.0: enabled 1

 1396 18:28:59.671423  PCI: 00:14.1: enabled 0

 1397 18:28:59.674500  PCI: 00:14.2: enabled 1

 1398 18:28:59.678077  PCI: 00:15.0: enabled 1

 1399 18:28:59.678163  PCI: 00:15.1: enabled 1

 1400 18:28:59.681295  PCI: 00:15.2: enabled 0

 1401 18:28:59.684579  PCI: 00:15.3: enabled 0

 1402 18:28:59.687910  PCI: 00:16.0: enabled 1

 1403 18:28:59.688007  PCI: 00:16.1: enabled 0

 1404 18:28:59.691096  PCI: 00:16.2: enabled 0

 1405 18:28:59.694471  PCI: 00:16.3: enabled 0

 1406 18:28:59.697645  PCI: 00:16.4: enabled 0

 1407 18:28:59.697729  PCI: 00:17.0: enabled 0

 1408 18:28:59.700745  PCI: 00:19.0: enabled 1

 1409 18:28:59.704665  PCI: 00:19.1: enabled 1

 1410 18:28:59.707705  PCI: 00:19.2: enabled 0

 1411 18:28:59.707832  PCI: 00:1c.0: enabled 1

 1412 18:28:59.710949  PCI: 00:1c.1: enabled 0

 1413 18:28:59.714154  PCI: 00:1c.2: enabled 0

 1414 18:28:59.717446  PCI: 00:1c.3: enabled 0

 1415 18:28:59.717532  PCI: 00:1c.4: enabled 0

 1416 18:28:59.720741  PCI: 00:1c.5: enabled 0

 1417 18:28:59.724124  PCI: 00:1c.6: enabled 0

 1418 18:28:59.727398  PCI: 00:1c.7: enabled 0

 1419 18:28:59.727511  PCI: 00:1d.0: enabled 0

 1420 18:28:59.730798  PCI: 00:1d.1: enabled 0

 1421 18:28:59.734238  PCI: 00:1d.2: enabled 0

 1422 18:28:59.734318  PCI: 00:1d.3: enabled 0

 1423 18:28:59.737008  PCI: 00:1e.0: enabled 1

 1424 18:28:59.740462  PCI: 00:1e.1: enabled 0

 1425 18:28:59.743954  PCI: 00:1e.2: enabled 1

 1426 18:28:59.744062  PCI: 00:1e.3: enabled 0

 1427 18:28:59.747222  PCI: 00:1e.4: enabled 1

 1428 18:28:59.750523  PCI: 00:1e.5: enabled 0

 1429 18:28:59.753861  PCI: 00:1e.6: enabled 1

 1430 18:28:59.753944  PCI: 00:1f.0: enabled 1

 1431 18:28:59.757167  PCI: 00:1f.1: enabled 0

 1432 18:28:59.760667  PCI: 00:1f.2: enabled 1

 1433 18:28:59.764039  PCI: 00:1f.3: enabled 1

 1434 18:28:59.764123  PCI: 00:1f.4: enabled 1

 1435 18:28:59.767419  PCI: 00:1f.5: enabled 1

 1436 18:28:59.770118  PCI: 00:1f.6: enabled 0

 1437 18:28:59.770212  USB0 port 0: enabled 1

 1438 18:28:59.773626  I2C: 01:5c: enabled 1

 1439 18:28:59.776899  I2C: 02:15: enabled 1

 1440 18:28:59.780171  I2C: 03:39: enabled 1

 1441 18:28:59.780264  I2C: 03:3a: enabled 1

 1442 18:28:59.783315  I2C: 03:1a: enabled 1

 1443 18:28:59.786638  PCI: 01:00.0: enabled 1

 1444 18:28:59.786718  SPI: 00: enabled 1

 1445 18:28:59.789968  PNP: 0c09.0: enabled 1

 1446 18:28:59.793281  USB2 port 0: enabled 1

 1447 18:28:59.793359  USB2 port 1: enabled 1

 1448 18:28:59.796440  USB2 port 2: enabled 1

 1449 18:28:59.799733  USB2 port 4: enabled 1

 1450 18:28:59.803087  USB2 port 8: enabled 1

 1451 18:28:59.803172  APIC: 01: enabled 1

 1452 18:28:59.806303  APIC: 02: enabled 1

 1453 18:28:59.806391  APIC: 03: enabled 1

 1454 18:28:59.809589  PCI: 00:04.0: enabled 1

 1455 18:28:59.812793  PCI: 00:08.0: enabled 1

 1456 18:28:59.819709  FMAP: area RW_ELOG found @ 9f0000 (16384 bytes)

 1457 18:28:59.822906  ELOG: NV offset 0x9f0000 size 0x4000

 1458 18:28:59.829272  ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024

 1459 18:28:59.836080  ELOG: Event(17) added with size 13 at 2023-06-21 18:28:42 UTC

 1460 18:28:59.842143  POST: Unexpected post code in previous boot: 0x34

 1461 18:28:59.845551  ELOG: Event(A3) added with size 11 at 2023-06-21 18:28:42 UTC

 1462 18:28:59.852441  ELOG: Event(92) added with size 9 at 2023-06-21 18:28:42 UTC

 1463 18:28:59.859127  ELOG: Event(9A) added with size 9 at 2023-06-21 18:28:42 UTC

 1464 18:28:59.865321  ELOG: Event(AD) added with size 10 at 2023-06-21 18:28:42 UTC

 1465 18:28:59.871961  ELOG: Event(9F) added with size 14 at 2023-06-21 18:28:42 UTC

 1466 18:28:59.878588  BS: BS_DEV_INIT times (us): entry 0 run 416919 exit 59957

 1467 18:28:59.885240  ELOG: Event(A1) added with size 10 at 2023-06-21 18:28:42 UTC

 1468 18:28:59.891740  elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b

 1469 18:28:59.898503  ELOG: Event(A0) added with size 9 at 2023-06-21 18:28:42 UTC

 1470 18:28:59.905259  elog_add_boot_reason: Logged dev mode boot

 1471 18:28:59.905376  Finalize devices...

 1472 18:28:59.908380  Devices finalized

 1473 18:28:59.911644  FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes)

 1474 18:28:59.917959  BS: BS_POST_DEVICE times (us): entry 25557 run 3957 exit 5198

 1475 18:28:59.924698  BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0

 1476 18:28:59.930873  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1477 18:28:59.934212  CBFS: Locating 'fallback/dsdt.aml'

 1478 18:28:59.937425  CBFS: Found @ offset 19af40 size 4691

 1479 18:28:59.943996  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1480 18:28:59.947303  CBFS: Locating 'fallback/slic'

 1481 18:28:59.952068  CBFS: 'fallback/slic' not found.

 1482 18:28:59.958875  ACPI: Writing ACPI tables at 7aa9a000.

 1483 18:28:59.958989  ACPI:    * FACS

 1484 18:28:59.962047  ACPI:    * DSDT

 1485 18:28:59.965253  Ramoops buffer: 0x100000@0x7a999000.

 1486 18:28:59.968573  SGX: not enabled or not supported. skip gnvs fill

 1487 18:28:59.973379  ACPI:    * FADT

 1488 18:28:59.973467  SCI is IRQ9

 1489 18:28:59.980249  ACPI: added table 1/32, length now 40

 1490 18:28:59.980364  ACPI:     * SSDT

 1491 18:28:59.982907  Found 1 CPU(s) with 4 core(s) each.

 1492 18:28:59.989732  \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c

 1493 18:28:59.993127  \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15

 1494 18:28:59.999840  \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h

 1495 18:29:00.002893  \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah

 1496 18:29:00.012669  \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105

 1497 18:29:00.016476  Error: Could not locate 'wifi_sar' in VPD.

 1498 18:29:00.019743  Error: failed from getting SAR limits!

 1499 18:29:00.026172  \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0

 1500 18:29:00.029361  \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00

 1501 18:29:00.036121  \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0

 1502 18:29:00.042805  \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1

 1503 18:29:00.045923  \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2

 1504 18:29:00.052729  \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4

 1505 18:29:00.056052  \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8

 1506 18:29:00.059361  ACPI: added table 2/32, length now 44

 1507 18:29:00.062201  ACPI:    * MCFG

 1508 18:29:00.065499  ACPI: added table 3/32, length now 48

 1509 18:29:00.068711  ACPI:    * TPM2

 1510 18:29:00.072188  ACPI: added table 4/32, length now 52

 1511 18:29:00.072293  ACPI:    * MADT

 1512 18:29:00.075546  SCI is IRQ9

 1513 18:29:00.078965  ACPI: added table 5/32, length now 56

 1514 18:29:00.079051  current = 7aa9fa60

 1515 18:29:00.085050  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1516 18:29:00.091983  CBFS: Locating 'dmic-4ch-48khz-16b.bin'

 1517 18:29:00.095299  CBFS: Found @ offset 167000 size ba8

 1518 18:29:00.102019  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1519 18:29:00.105124  CBFS: Locating 'dmic-4ch-48khz-32b.bin'

 1520 18:29:00.108286  CBFS: Found @ offset 19f640 size ba8

 1521 18:29:00.114905  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1522 18:29:00.118172  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1523 18:29:00.121381  CBFS: Found @ offset 167cc0 size 64

 1524 18:29:00.128017  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1525 18:29:00.131268  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1526 18:29:00.137600  CBFS: Found @ offset 167cc0 size 64

 1527 18:29:00.140989  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1528 18:29:00.147647  CBFS: Locating 'max98927-render-2ch-48khz-24b.bin'

 1529 18:29:00.151069  CBFS: Found @ offset 167c00 size 64

 1530 18:29:00.157957  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1531 18:29:00.160649  CBFS: Locating 'max98927-render-2ch-48khz-16b.bin'

 1532 18:29:00.167477  CBFS: Found @ offset 103f00 size 64

 1533 18:29:00.170774  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1534 18:29:00.177341  CBFS: Locating 'max98927-render-2ch-48khz-16b.bin'

 1535 18:29:00.180681  CBFS: Found @ offset 103f00 size 64

 1536 18:29:00.184041  ACPI:    * NHLT

 1537 18:29:00.186794  ACPI: added table 6/32, length now 60

 1538 18:29:00.186912  ACPI:    * DMAR

 1539 18:29:00.190147  ACPI: added table 7/32, length now 64

 1540 18:29:00.193679  ACPI: * IGD OpRegion

 1541 18:29:00.197030  GMA: Found VBT in CBFS

 1542 18:29:00.200549  GMA: Found valid VBT in CBFS

 1543 18:29:00.200655  current = 7aaa3610

 1544 18:29:00.203237  ACPI: added table 8/32, length now 68

 1545 18:29:00.206584  ACPI:    * HPET

 1546 18:29:00.209858  ACPI: added table 9/32, length now 72

 1547 18:29:00.209976  ACPI: done.

 1548 18:29:00.213170  ACPI tables: 38592 bytes.

 1549 18:29:00.216988  smbios_write_tables: 7a998000

 1550 18:29:00.220321  Create SMBIOS type 17

 1551 18:29:00.223563  PCI: 01:00.0 (Intel WiFi)

 1552 18:29:00.226749  SMBIOS tables: 662 bytes.

 1553 18:29:00.230062  Writing table forward entry at 0x00000500

 1554 18:29:00.236384  Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532

 1555 18:29:00.239503  Writing coreboot table at 0x7aabe000

 1556 18:29:00.246712   0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES

 1557 18:29:00.249999   1. 0000000000001000-000000000009ffff: RAM

 1558 18:29:00.252790   2. 00000000000a0000-00000000000fffff: RESERVED

 1559 18:29:00.259459   3. 0000000000100000-000000007a997fff: RAM

 1560 18:29:00.262735   4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES

 1561 18:29:00.269438   5. 000000007ab06000-000000007abcffff: RAMSTAGE

 1562 18:29:00.276036   6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES

 1563 18:29:00.279376   7. 000000007b000000-000000007fffffff: RESERVED

 1564 18:29:00.286258   8. 00000000e0000000-00000000e3ffffff: RESERVED

 1565 18:29:00.289049   9. 00000000fe000000-00000000fe00ffff: RESERVED

 1566 18:29:00.292380  10. 00000000fed10000-00000000fed19fff: RESERVED

 1567 18:29:00.299290  11. 00000000fed80000-00000000fed84fff: RESERVED

 1568 18:29:00.302754  12. 00000000fed90000-00000000fed91fff: RESERVED

 1569 18:29:00.308898  13. 0000000100000000-000000017effffff: RAM

 1570 18:29:00.312325  Graphics framebuffer located at 0xc0000000

 1571 18:29:00.315724  Passing 6 GPIOs to payload:

 1572 18:29:00.318948              NAME |       PORT | POLARITY |     VALUE

 1573 18:29:00.325917     write protect |  undefined |     high |       low

 1574 18:29:00.332710          recovery |  undefined |     high |       low

 1575 18:29:00.335974               lid |  undefined |     high |      high

 1576 18:29:00.342049             power |  undefined |     high |       low

 1577 18:29:00.345326             oprom |  undefined |     high |       low

 1578 18:29:00.352351          EC in RW | 0x00000036 |     high |       low

 1579 18:29:00.355699  Board ID: 6

 1580 18:29:00.359084  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1581 18:29:00.365531  Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum 5b22

 1582 18:29:00.369011  coreboot table: 1468 bytes.

 1583 18:29:00.372282  IMD ROOT    0. 7afff000 00001000

 1584 18:29:00.375140  IMD SMALL   1. 7affe000 00001000

 1585 18:29:00.378449  FSP MEMORY  2. 7abfe000 00400000

 1586 18:29:00.381659  CONSOLE     3. 7abde000 00020000

 1587 18:29:00.384868  TIME STAMP  4. 7abdd000 00000910

 1588 18:29:00.388336  VBOOT       5. 7abdc000 00000c0c

 1589 18:29:00.391712  MRC DATA    6. 7abda000 00001878

 1590 18:29:00.394958  ROMSTG STCK 7. 7abd9000 00000400

 1591 18:29:00.398419  AFTER CAR   8. 7abd0000 00009000

 1592 18:29:00.401798  RAMSTAGE    9. 7ab05000 000cb000

 1593 18:29:00.405265  REFCODE    10. 7aad6000 0002f000

 1594 18:29:00.407939  SMM BACKUP 11. 7aac6000 00010000

 1595 18:29:00.411328  COREBOOT   12. 7aabe000 00008000

 1596 18:29:00.414700  ACPI       13. 7aa9a000 00024000

 1597 18:29:00.418056  ACPI GNVS  14. 7aa99000 00001000

 1598 18:29:00.421409  RAMOOPS    15. 7a999000 00100000

 1599 18:29:00.424799  SMBIOS     16. 7a998000 00000800

 1600 18:29:00.428184  IMD small region:

 1601 18:29:00.431596    IMD ROOT    0. 7affec00 00000400

 1602 18:29:00.434706    FSP RUNTIME 1. 7affebe0 00000004

 1603 18:29:00.437963    VBOOT SEL   2. 7affebc0 00000008

 1604 18:29:00.441390    EC HOSTEVENT 3. 7affeba0 00000008

 1605 18:29:00.444607    POWER STATE 4. 7affeb60 00000040

 1606 18:29:00.447867    ROMSTAGE    5. 7affeb40 00000004

 1607 18:29:00.451140    MEM INFO    6. 7affe980 000001a9

 1608 18:29:00.454359    VPD         7. 7affe920 00000047

 1609 18:29:00.457572    COREBOOTFWD 8. 7affe8e0 00000028

 1610 18:29:00.461013  MTRR: Physical address space:

 1611 18:29:00.467570  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1612 18:29:00.474149  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1613 18:29:00.480312  0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6

 1614 18:29:00.486929  0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0

 1615 18:29:00.493623  0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1

 1616 18:29:00.499759  0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0

 1617 18:29:00.506696  0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6

 1618 18:29:00.509988  MTRR: Fixed MSR 0x250 0x0606060606060606

 1619 18:29:00.513352  MTRR: Fixed MSR 0x258 0x0606060606060606

 1620 18:29:00.516731  MTRR: Fixed MSR 0x259 0x0000000000000000

 1621 18:29:00.523545  MTRR: Fixed MSR 0x268 0x0606060606060606

 1622 18:29:00.526129  MTRR: Fixed MSR 0x269 0x0606060606060606

 1623 18:29:00.529533  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1624 18:29:00.532961  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1625 18:29:00.539376  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1626 18:29:00.543283  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1627 18:29:00.546014  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1628 18:29:00.549232  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1629 18:29:00.553792  call enable_fixed_mtrr()

 1630 18:29:00.557026  CPU physical address size: 39 bits

 1631 18:29:00.563353  MTRR: default type WB/UC MTRR counts: 6/5.

 1632 18:29:00.566653  MTRR: UC selected as default type.

 1633 18:29:00.572873  MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6

 1634 18:29:00.576201  MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0

 1635 18:29:00.583046  MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0

 1636 18:29:00.589622  MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1

 1637 18:29:00.596330  MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6

 1638 18:29:00.599512  

 1639 18:29:00.599624  MTRR check

 1640 18:29:00.603047  Fixed MTRRs   : Enabled

 1641 18:29:00.603157  Variable MTRRs: Enabled

 1642 18:29:00.603250  

 1643 18:29:00.609840  MTRR: Fixed MSR 0x250 0x0606060606060606

 1644 18:29:00.613278  MTRR: Fixed MSR 0x258 0x0606060606060606

 1645 18:29:00.616003  MTRR: Fixed MSR 0x259 0x0000000000000000

 1646 18:29:00.619348  MTRR: Fixed MSR 0x268 0x0606060606060606

 1647 18:29:00.626126  MTRR: Fixed MSR 0x269 0x0606060606060606

 1648 18:29:00.629470  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1649 18:29:00.632177  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1650 18:29:00.635783  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1651 18:29:00.642667  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1652 18:29:00.645942  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1653 18:29:00.649177  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1654 18:29:00.655717  BS: BS_WRITE_TABLES times (us): entry 0 run 537482 exit 145965

 1655 18:29:00.659472  call enable_fixed_mtrr()

 1656 18:29:00.662593  MTRR: Fixed MSR 0x250 0x0606060606060606

 1657 18:29:00.665959  MTRR: Fixed MSR 0x250 0x0606060606060606

 1658 18:29:00.669457  MTRR: Fixed MSR 0x258 0x0606060606060606

 1659 18:29:00.676105  MTRR: Fixed MSR 0x259 0x0000000000000000

 1660 18:29:00.678860  MTRR: Fixed MSR 0x268 0x0606060606060606

 1661 18:29:00.682302  MTRR: Fixed MSR 0x269 0x0606060606060606

 1662 18:29:00.685596  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1663 18:29:00.692031  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1664 18:29:00.695436  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1665 18:29:00.698607  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1666 18:29:00.702095  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1667 18:29:00.708718  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1668 18:29:00.712129  MTRR: Fixed MSR 0x258 0x0606060606060606

 1669 18:29:00.715518  MTRR: Fixed MSR 0x259 0x0000000000000000

 1670 18:29:00.719150  MTRR: Fixed MSR 0x268 0x0606060606060606

 1671 18:29:00.725681  MTRR: Fixed MSR 0x269 0x0606060606060606

 1672 18:29:00.728297  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1673 18:29:00.731725  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1674 18:29:00.735138  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1675 18:29:00.742074  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1676 18:29:00.745001  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1677 18:29:00.748275  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1678 18:29:00.751471  call enable_fixed_mtrr()

 1679 18:29:00.754843  call enable_fixed_mtrr()

 1680 18:29:00.761903  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1681 18:29:00.764549  CPU physical address size: 39 bits

 1682 18:29:00.768354  CBFS: Locating 'fallback/payload'

 1683 18:29:00.771489  CPU physical address size: 39 bits

 1684 18:29:00.774522  CPU physical address size: 39 bits

 1685 18:29:00.778188  CBFS: Found @ offset 223040 size 360b4

 1686 18:29:00.784876  Checking segment from ROM address 0xfff23078

 1687 18:29:00.787729  Checking segment from ROM address 0xfff23094

 1688 18:29:00.791146  Loading segment from ROM address 0xfff23078

 1689 18:29:00.794492    code (compression=0)

 1690 18:29:00.804340    New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c

 1691 18:29:00.811264  Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c

 1692 18:29:00.813957  it's not compressed!

 1693 18:29:00.898357  [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0

 1694 18:29:00.905018  Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834

 1695 18:29:00.908301  Loading segment from ROM address 0xfff23094

 1696 18:29:00.911572    Entry Point 0x30104020

 1697 18:29:00.914270  Loaded segments

 1698 18:29:00.939285  Finalizing chipset.

 1699 18:29:00.946182  ME: Host Firmware Status Register 1 : 0x90000245

 1700 18:29:00.948868  ME: Host Firmware Status Register 2 : 0x6B000306

 1701 18:29:00.955777  ME: Host Firmware Status Register 3 : 0x00000020

 1702 18:29:00.959064  ME: Host Firmware Status Register 4 : 0x00084000

 1703 18:29:00.962464  ME: Host Firmware Status Register 5 : 0x00000000

 1704 18:29:00.969576  ME: Host Firmware Status Register 6 : 0x40000002

 1705 18:29:00.972104  ME: FW Partition Table      : OK

 1706 18:29:00.975464  ME: Bringup Loader Failure  : NO

 1707 18:29:00.978761  ME: Firmware Init Complete  : YES

 1708 18:29:00.982080  ME: Manufacturing Mode      : NO

 1709 18:29:00.985715  ME: Boot Options Present    : NO

 1710 18:29:00.988991  ME: Update In Progress      : NO

 1711 18:29:00.992254  ME: D3 Support              : NO

 1712 18:29:00.995430  ME: D0i3 Support            : YES

 1713 18:29:00.998464  ME: Low Power State Enabled : YES

 1714 18:29:01.001758  ME: CPU Replaced            : NO

 1715 18:29:01.005264  ME: CPU Replacement Valid   : YES

 1716 18:29:01.008578  ME: Current Working State   : Normal

 1717 18:29:01.014936  ME: Current Operation State : M0 with UMA

 1718 18:29:01.018272  ME: Current Operation Mode  : Normal

 1719 18:29:01.021630  ME: Error Code              : No Error

 1720 18:29:01.024987  ME: Progress Phase          : Host Communication

 1721 18:29:01.031702  ME: Power Management Event  : Power cycle reset through Moff

 1722 18:29:01.037887  ME: Progress Phase State    : Host communication established

 1723 18:29:01.041298  ME: Power Down Mitigation   : NO

 1724 18:29:01.044713  ME: FPF status              : fused

 1725 18:29:01.047971  Clearing MCA.

 1726 18:29:01.048055  Finalizing SMM.

 1727 18:29:01.054730  BS: BS_PAYLOAD_LOAD times (us): entry 602 run 258556 exit 135074

 1728 18:29:01.058126  mp_park_aps done after 0 msecs.

 1729 18:29:01.060869  Jumping to boot code at 30104020(7aabe000)

 1730 18:29:01.071081  CPU0: stack: 7ab46000 - 7ab47000, lowest used address 7ab46abc, stack used: 1348 bytes

 1731 18:29:01.071196  

 1732 18:29:01.071290  

 1733 18:29:01.071380  

 1734 18:29:01.074419  Starting depthcharge on rammus...

 1735 18:29:01.074524  

 1736 18:29:01.074921  end: 2.2.3 depthcharge-start (duration 00:00:12) [common]
 1737 18:29:01.075052  start: 2.2.4 bootloader-commands (timeout 00:04:43) [common]
 1738 18:29:01.075136  Setting prompt string to ['rammus:']
 1739 18:29:01.075246  bootloader-commands: Wait for prompt ['rammus:'] (timeout 00:04:43)
 1740 18:29:01.081233  WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime!

 1741 18:29:01.081351  

 1742 18:29:01.091111  WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime!

 1743 18:29:01.091226  

 1744 18:29:01.097191  The GBB signature is at 0x30004020 and is:  24 47 42 42

 1745 18:29:01.100590  

 1746 18:29:01.103714  [firmware-rammus-11275.B-collabora] Dec 11 2020 10:26:21

 1747 18:29:01.103823  

 1748 18:29:01.103916  

 1749 18:29:01.104007  

 1750 18:29:01.104320  Setting prompt string to ['rammus:', '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}']
 1752 18:29:01.204696  rammus:tftpboot 192.168.201.1 10848609/tftp-deploy-jr8zlqie/kernel/bzImage 10848609/tftp-deploy-jr8zlqie/kernel/cmdline 10848609/tftp-deploy-jr8zlqie/ramdisk/ramdisk.cpio.gz

 1753 18:29:01.204894  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}']
 1754 18:29:01.205007  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 00:04:43)
 1755 18:29:01.209178   tftpboot 192.168.201.1 10848609/tftp-deploy-jr8zlqie/kernel/bzImploy-jr8zlqie/kernel/cmdline 10848609/tftp-deploy-jr8zlqie/ramdisk/ramdisk.cpio.gz

 1756 18:29:01.209289  

 1757 18:29:01.209378  Waiting for link

 1758 18:29:01.717639  

 1759 18:29:01.717799  R8152: Initializing

 1760 18:29:01.717901  

 1761 18:29:01.721055  Version 9 (ocp_data = 6010)

 1762 18:29:01.721158  

 1763 18:29:01.724417  R8152: Done initializing

 1764 18:29:01.724518  

 1765 18:29:01.727104  Adding net device

 1766 18:29:01.927108  

 1767 18:29:01.927263  done.

 1768 18:29:01.927361  

 1769 18:29:01.927454  MAC: 00:e0:4c:68:0b:d9

 1770 18:29:01.927549  

 1771 18:29:01.930315  Sending DHCP discover... done.

 1772 18:29:01.930437  

 1773 18:29:01.933633  Waiting for reply... done.

 1774 18:29:01.933760  

 1775 18:29:01.937024  Sending DHCP request... done.

 1776 18:29:01.937146  

 1777 18:29:01.946236  Waiting for reply... done.

 1778 18:29:01.946362  

 1779 18:29:01.946458  My ip is 192.168.201.13

 1780 18:29:01.946552  

 1781 18:29:01.949613  The DHCP server ip is 192.168.201.1

 1782 18:29:01.953014  

 1783 18:29:01.956297  TFTP server IP predefined by user: 192.168.201.1

 1784 18:29:01.956402  

 1785 18:29:01.963009  Bootfile predefined by user: 10848609/tftp-deploy-jr8zlqie/kernel/bzImage

 1786 18:29:01.963102  

 1787 18:29:01.966413  Sending tftp read request... done.

 1788 18:29:01.966521  

 1789 18:29:01.969793  Waiting for the transfer... 

 1790 18:29:01.969884  

 1791 18:29:02.179483  00000000 ################################################################

 1792 18:29:02.179642  

 1793 18:29:02.381369  00080000 ################################################################

 1794 18:29:02.384766  

 1795 18:29:02.587209  00100000 ################################################################

 1796 18:29:02.590576  

 1797 18:29:02.791014  00180000 ################################################################

 1798 18:29:02.794280  

 1799 18:29:02.998079  00200000 ################################################################

 1800 18:29:02.998249  

 1801 18:29:03.199837  00280000 ################################################################

 1802 18:29:03.203045  

 1803 18:29:03.403114  00300000 ################################################################

 1804 18:29:03.405965  

 1805 18:29:03.605445  00380000 ################################################################

 1806 18:29:03.608688  

 1807 18:29:03.812721  00400000 ################################################################

 1808 18:29:03.812897  

 1809 18:29:04.027562  00480000 ################################################################

 1810 18:29:04.027721  

 1811 18:29:04.241112  00500000 ################################################################

 1812 18:29:04.241241  

 1813 18:29:04.450328  00580000 ################################################################

 1814 18:29:04.450460  

 1815 18:29:04.653937  00600000 ################################################################

 1816 18:29:04.654088  

 1817 18:29:04.861620  00680000 ################################################################

 1818 18:29:04.864638  

 1819 18:29:05.065358  00700000 ################################################################

 1820 18:29:05.068660  

 1821 18:29:05.272186  00780000 ################################################################

 1822 18:29:05.272325  

 1823 18:29:05.477630  00800000 ################################################################

 1824 18:29:05.477763  

 1825 18:29:05.685216  00880000 ################################################################

 1826 18:29:05.688549  

 1827 18:29:05.902247  00900000 ################################################################

 1828 18:29:05.902401  

 1829 18:29:06.109960  00980000 ################################################################

 1830 18:29:06.110144  

 1831 18:29:06.321523  00a00000 ################################################################

 1832 18:29:06.321655  

 1833 18:29:06.525668  00a80000 ################################################################

 1834 18:29:06.528897  

 1835 18:29:06.734502  00b00000 ################################################################

 1836 18:29:06.734633  

 1837 18:29:06.948039  00b80000 ################################################################

 1838 18:29:06.948204  

 1839 18:29:07.153031  00c00000 ################################################################

 1840 18:29:07.153196  

 1841 18:29:07.360292  00c80000 ################################################################

 1842 18:29:07.360457  

 1843 18:29:07.562826  00d00000 ################################################################

 1844 18:29:07.566415  

 1845 18:29:07.774724  00d80000 ################################################################

 1846 18:29:07.774897  

 1847 18:29:07.981766  00e00000 ################################################################

 1848 18:29:07.981904  

 1849 18:29:08.189585  00e80000 ################################################################

 1850 18:29:08.189724  

 1851 18:29:08.397376  00f00000 ################################################################

 1852 18:29:08.397520  

 1853 18:29:08.453206  00f80000 ################## done.

 1854 18:29:08.453356  

 1855 18:29:08.456553  The bootfile was 16393568 bytes long.

 1856 18:29:08.456639  

 1857 18:29:08.460170  Sending tftp read request... done.

 1858 18:29:08.460258  

 1859 18:29:08.462822  Waiting for the transfer... 

 1860 18:29:08.462906  

 1861 18:29:08.673522  00000000 ################################################################

 1862 18:29:08.673691  

 1863 18:29:08.879960  00080000 ################################################################

 1864 18:29:08.880101  

 1865 18:29:09.089988  00100000 ################################################################

 1866 18:29:09.090128  

 1867 18:29:09.294198  00180000 ################################################################

 1868 18:29:09.294356  

 1869 18:29:09.506097  00200000 ################################################################

 1870 18:29:09.506234  

 1871 18:29:09.708500  00280000 ################################################################

 1872 18:29:09.711712  

 1873 18:29:09.929173  00300000 ################################################################

 1874 18:29:09.929330  

 1875 18:29:10.140122  00380000 ################################################################

 1876 18:29:10.140286  

 1877 18:29:10.353678  00400000 ################################################################

 1878 18:29:10.353845  

 1879 18:29:10.554957  00480000 ################################################################

 1880 18:29:10.555116  

 1881 18:29:10.755839  00500000 ################################################################

 1882 18:29:10.758536  

 1883 18:29:10.968887  00580000 ################################################################

 1884 18:29:10.969023  

 1885 18:29:11.188356  00600000 ################################################################

 1886 18:29:11.188493  

 1887 18:29:11.397011  00680000 ################################################################

 1888 18:29:11.397154  

 1889 18:29:11.606992  00700000 ################################################################

 1890 18:29:11.607136  

 1891 18:29:11.810944  00780000 ################################################################

 1892 18:29:11.811099  

 1893 18:29:12.021041  00800000 ################################################################

 1894 18:29:12.021173  

 1895 18:29:12.235241  00880000 ################################################################

 1896 18:29:12.235403  

 1897 18:29:12.439143  00900000 ################################################################

 1898 18:29:12.439304  

 1899 18:29:12.636100  00980000 ################################################################

 1900 18:29:12.636250  

 1901 18:29:12.700141  00a00000 ##################### done.

 1902 18:29:12.700266  

 1903 18:29:12.703461  Sending tftp read request... done.

 1904 18:29:12.703542  

 1905 18:29:12.706885  Waiting for the transfer... 

 1906 18:29:12.706969  

 1907 18:29:12.710187  00000000 # done.

 1908 18:29:12.710266  

 1909 18:29:12.716904  Command line loaded dynamically from TFTP file: 10848609/tftp-deploy-jr8zlqie/kernel/cmdline

 1910 18:29:12.716986  

 1911 18:29:12.745922  The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10848609/extract-nfsrootfs-_wkzmi8k,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1912 18:29:12.751150  

 1913 18:29:12.754517  Shutting down all USB controllers.

 1914 18:29:12.754596  

 1915 18:29:12.754659  Removing current net device

 1916 18:29:12.754722  

 1917 18:29:12.757808  Finalizing coreboot

 1918 18:29:12.757884  

 1919 18:29:12.764114  Exiting depthcharge with code 4 at timestamp: 18026579

 1920 18:29:12.764192  

 1921 18:29:12.764258  

 1922 18:29:12.764321  Starting kernel ...

 1923 18:29:12.764378  

 1924 18:29:12.764432  

 1925 18:29:12.764862  end: 2.2.4 bootloader-commands (duration 00:00:12) [common]
 1926 18:29:12.764960  start: 2.2.5 auto-login-action (timeout 00:04:31) [common]
 1927 18:29:12.765037  Setting prompt string to ['Linux version [0-9]']
 1928 18:29:12.765133  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}']
 1929 18:29:12.765199  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)
 1930 18:29:14.614009  

 1931 18:29:14.614381  start: 2.2.5.1 login-action (timeout 00:04:29) [common]
 1932 18:29:14.614464  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.
 1933 18:29:14.614554  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']
 1934 18:29:14.614629  Using line separator: #'\n'#
 1935 18:29:14.614693  No login prompt set.
 1936 18:29:14.614756  Parsing kernel messages
 1937 18:29:14.614810  ['-\\[ 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']
 1938 18:29:14.614913  [login-action] Waiting for messages, (timeout 00:04:29)
 1939 18:29:14.636838  <5>[    0.000000] Linux version 5.10.185-cip35 (KernelCI@build-j72441-x86-64-gcc-10-x86-64-defconfig-x86-chromebookrkgwn) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Jun 21 18:22:30 UTC 2023

 1940 18:29:14.663316  <6>[    0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10848609/extract-nfsrootfs-_wkzmi8k,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1941 18:29:14.673172  <6>[    0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'

 1942 18:29:14.679964  <6>[    0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'

 1943 18:29:14.686262  <6>[    0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'

 1944 18:29:14.695953  <6>[    0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'

 1945 18:29:14.702364  <6>[    0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'

 1946 18:29:14.708980  <6>[    0.000000] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256

 1947 18:29:14.715521  <6>[    0.000000] x86/fpu: xstate_offset[3]:  832, xstate_sizes[3]:   64

 1948 18:29:14.722184  <6>[    0.000000] x86/fpu: xstate_offset[4]:  896, xstate_sizes[4]:   64

 1949 18:29:14.735367  <6>[    0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format.

 1950 18:29:14.738653  <6>[    0.000000] BIOS-provided physical RAM map:

 1951 18:29:14.748647  <6>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16

 1952 18:29:14.755327  <6>[    0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable

 1953 18:29:14.765087  <6>[    0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved

 1954 18:29:14.771437  <6>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable

 1955 18:29:14.777913  <6>[    0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16

 1956 18:29:14.787716  <6>[    0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved

 1957 18:29:14.794941  <6>[    0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved

 1958 18:29:14.804583  <6>[    0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved

 1959 18:29:14.810936  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved

 1960 18:29:14.820965  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved

 1961 18:29:14.827591  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved

 1962 18:29:14.834219  <6>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable

 1963 18:29:14.840991  <6>[    0.000000] NX (Execute Disable) protection: active

 1964 18:29:14.844201  <6>[    0.000000] SMBIOS 2.7 present.

 1965 18:29:14.850704  <6>[    0.000000] DMI: Google Rammus/Rammus, BIOS  09/04/2020

 1966 18:29:14.857293  <6>[    0.000000] tsc: Detected 1600.000 MHz processor

 1967 18:29:14.860644  <6>[    0.000000] tsc: Detected 1599.960 MHz TSC

 1968 18:29:14.867196  <6>[    0.000042] last_pfn = 0x17f000 max_arch_pfn = 0x400000000

 1969 18:29:14.876729  <6>[    0.001110] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  

 1970 18:29:14.884027  <6>[    0.005683] last_pfn = 0x7a998 max_arch_pfn = 0x400000000

 1971 18:29:14.890208  <6>[    0.018885] check: Scanning 1 areas for low memory corruption

 1972 18:29:14.893471  <6>[    0.018896] Using GB pages for direct mapping

 1973 18:29:14.900039  <6>[    0.019397] RAMDISK: [mem 0x375d7000-0x37ffffff]

 1974 18:29:14.906356  <6>[    0.019403] ACPI: Early table checksum verification disabled

 1975 18:29:14.912937  <6>[    0.019409] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE  )

 1976 18:29:14.922600  <6>[    0.019420] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1977 18:29:14.932503  <6>[    0.019432] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 1978 18:29:14.942348  <6>[    0.019445] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531)

 1979 18:29:14.949066  <6>[    0.019454] ACPI: FACS 0x000000007AA9A240 000040

 1980 18:29:14.952332  <6>[    0.019463] ACPI: FACS 0x000000007AA9A240 000040

 1981 18:29:14.962315  <6>[    0.019471] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE   COREBOOT 0000002A CORE 0000002A)

 1982 18:29:14.972136  <6>[    0.019481] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1983 18:29:14.981727  <6>[    0.019490] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 1984 18:29:14.991800  <6>[    0.019499] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE   COREBOOT 00000000 CORE 00000000)

 1985 18:29:15.001576  <6>[    0.019508] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS   00000000 CORE 00000000)

 1986 18:29:15.011247  <6>[    0.019518] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1987 18:29:15.021017  <6>[    0.019527] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE   COREBOOT 00000000 CORE 00000000)

 1988 18:29:15.031060  <6>[    0.019536] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1989 18:29:15.040917  <6>[    0.019545] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63]

 1990 18:29:15.047503  <6>[    0.019549] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962]

 1991 18:29:15.056941  <6>[    0.019552] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f]

 1992 18:29:15.063548  <6>[    0.019556] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f]

 1993 18:29:15.073612  <6>[    0.019559] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969]

 1994 18:29:15.080227  <6>[    0.019563] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab]

 1995 18:29:15.089922  <6>[    0.019567] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef]

 1996 18:29:15.096609  <6>[    0.019570] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b]

 1997 18:29:15.106405  <6>[    0.019574] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b]

 1998 18:29:15.112621  <6>[    0.019577] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607]

 1999 18:29:15.122429  <6>[    0.019581] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670]

 2000 18:29:15.129516  <6>[    0.019584] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7]

 2001 18:29:15.135939  <6>[    0.019713] No NUMA configuration found

 2002 18:29:15.142505  <6>[    0.019717] Faking a node at [mem 0x0000000000000000-0x000000017effffff]

 2003 18:29:15.149082  <6>[    0.019725] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff]

 2004 18:29:15.151803  <6>[    0.019760] Zone ranges:

 2005 18:29:15.161587  <6>[    0.019763]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]

 2006 18:29:15.168099  <6>[    0.019769]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]

 2007 18:29:15.174816  <6>[    0.019775]   Normal   [mem 0x0000000100000000-0x000000017effffff]

 2008 18:29:15.178175  <6>[    0.019780] Movable zone start for each node

 2009 18:29:15.184931  <6>[    0.019783] Early memory node ranges

 2010 18:29:15.191405  <6>[    0.019787]   node   0: [mem 0x0000000000001000-0x000000000009ffff]

 2011 18:29:15.198043  <6>[    0.019791]   node   0: [mem 0x0000000000100000-0x000000007a997fff]

 2012 18:29:15.204342  <6>[    0.019795]   node   0: [mem 0x0000000100000000-0x000000017effffff]

 2013 18:29:15.214492  <6>[    0.019809] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff]

 2014 18:29:15.220785  <6>[    0.019839] On node 0, zone DMA: 1 pages in unavailable ranges

 2015 18:29:15.227612  <6>[    0.019875] On node 0, zone DMA: 96 pages in unavailable ranges

 2016 18:29:15.233765  <6>[    0.029754] On node 0, zone Normal: 22120 pages in unavailable ranges

 2017 18:29:15.243984  <6>[    0.029816] On node 0, zone Normal: 4096 pages in unavailable ranges

 2018 18:29:15.250646  <6>[    0.029840] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff]

 2019 18:29:15.256638  <6>[    0.030182] ACPI: PM-Timer IO Port: 0x1808

 2020 18:29:15.263290  <6>[    0.030232] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119

 2021 18:29:15.269846  <6>[    0.030243] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)

 2022 18:29:15.279980  <6>[    0.030247] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)

 2023 18:29:15.286415  <6>[    0.030258] Using ACPI (MADT) for SMP configuration information

 2024 18:29:15.292889  <6>[    0.030263] ACPI: HPET id: 0x8086a701 base: 0xfed00000

 2025 18:29:15.296100  <6>[    0.030269] TSC deadline timer available

 2026 18:29:15.302622  <6>[    0.030273] smpboot: Allowing 4 CPUs, 0 hotplug CPUs

 2027 18:29:15.312468  <6>[    0.030297] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]

 2028 18:29:15.319414  <6>[    0.030301] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff]

 2029 18:29:15.328906  <6>[    0.030306] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff]

 2030 18:29:15.339094  <6>[    0.030309] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff]

 2031 18:29:15.345475  <6>[    0.030313] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff]

 2032 18:29:15.355203  <6>[    0.030316] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff]

 2033 18:29:15.365327  <6>[    0.030319] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff]

 2034 18:29:15.371861  <6>[    0.030323] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff]

 2035 18:29:15.381861  <6>[    0.030326] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff]

 2036 18:29:15.391180  <6>[    0.030329] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff]

 2037 18:29:15.397884  <6>[    0.030332] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff]

 2038 18:29:15.407743  <6>[    0.030336] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff]

 2039 18:29:15.417738  <6>[    0.030339] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff]

 2040 18:29:15.424142  <6>[    0.030342] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff]

 2041 18:29:15.434212  <6>[    0.030346] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff]

 2042 18:29:15.440851  <6>[    0.030352] [mem 0x80000000-0xdfffffff] available for PCI devices

 2043 18:29:15.454149  <6>[    0.030358] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns

 2044 18:29:15.460306  <6>[    0.043587] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1

 2045 18:29:15.470155  <6>[    0.043824] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288

 2046 18:29:15.476769  <6>[    0.043888] Built 1 zonelists, mobility grouping on.  Total pages: 1006266

 2047 18:29:15.480065  <6>[    0.043892] Policy zone: Normal

 2048 18:29:15.509871  <5>[    0.043903] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10848609/extract-nfsrootfs-_wkzmi8k,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2049 18:29:15.519639  <6>[    0.044341] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)

 2050 18:29:15.529542  <6>[    0.044532] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)

 2051 18:29:15.536171  <6>[    0.044605] mem auto-init: stack:off, heap alloc:off, heap free:off

 2052 18:29:15.552396  <6>[    0.062788] Memory: 3878188K/4089052K available (22546K kernel code, 3691K rwdata, 9380K rodata, 2148K init, 14096K bss, 210604K reserved, 0K cma-reserved)

 2053 18:29:15.559100  <6>[    0.062903] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

 2054 18:29:15.565453  <6>[    0.062949] Kernel/User page tables isolation: enabled

 2055 18:29:15.572329  <6>[    0.063017] ftrace: allocating 60755 entries in 238 pages

 2056 18:29:15.578525  <6>[    0.113694] ftrace: allocated 238 pages with 6 groups

 2057 18:29:15.581870  <6>[    0.113919] Running RCU self tests

 2058 18:29:15.585170  <6>[    0.113931] rcu: Hierarchical RCU implementation.

 2059 18:29:15.591877  <6>[    0.113935] rcu: 	RCU event tracing is enabled.

 2060 18:29:15.598558  <6>[    0.113938] rcu: 	RCU lockdep checking is enabled.

 2061 18:29:15.605203  <6>[    0.113942] rcu: 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4.

 2062 18:29:15.611905  <6>[    0.113946] 	Rude variant of Tasks RCU enabled.

 2063 18:29:15.617869  <6>[    0.113949] 	Tracing variant of Tasks RCU enabled.

 2064 18:29:15.624857  <6>[    0.113953] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.

 2065 18:29:15.634230  <6>[    0.113957] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4

 2066 18:29:15.640862  <6>[    0.121600] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16

 2067 18:29:15.644492  <5>[    0.122005] random: crng init done

 2068 18:29:15.651020  <6>[    0.122089] Console: colour dummy device 80x25

 2069 18:29:15.654089  <6>[    0.200496] printk: console [ttyS0] enabled

 2070 18:29:15.663990  <4>[    0.200885] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

 2071 18:29:15.667150  <4>[    0.201567] ... MAX_LOCKDEP_SUBCLASSES:  8

 2072 18:29:15.673491  <4>[    0.201948] ... MAX_LOCK_DEPTH:          48

 2073 18:29:15.676672  <4>[    0.202331] ... MAX_LOCKDEP_KEYS:        8192

 2074 18:29:15.683939  <4>[    0.202733] ... CLASSHASH_SIZE:          4096

 2075 18:29:15.689880  <4>[    0.203130] ... MAX_LOCKDEP_ENTRIES:     32768

 2076 18:29:15.693108  <4>[    0.203541] ... MAX_LOCKDEP_CHAINS:      65536

 2077 18:29:15.699878  <4>[    0.203945] ... CHAINHASH_SIZE:          32768

 2078 18:29:15.706616  <4>[    0.204349]  memory used by lock dependency info: 6365 kB

 2079 18:29:15.712658  <4>[    0.204838]  memory used for stack traces: 4224 kB

 2080 18:29:15.716017  <4>[    0.205278]  per task-struct memory footprint: 1920 bytes

 2081 18:29:15.722670  <6>[    0.205812] ACPI: Core revision 20200925

 2082 18:29:15.729168  <6>[    0.206368] hpet: HPET dysfunctional in PC10. Force disabled.

 2083 18:29:15.736001  <6>[    0.206888] APIC: Switch to symmetric I/O mode setup

 2084 18:29:15.745884  <6>[    0.211364] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns

 2085 18:29:15.759161  <6>[    0.212307] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960)

 2086 18:29:15.765586  <6>[    0.213232] pid_max: default: 32768 minimum: 301

 2087 18:29:15.768719  <6>[    0.213292] LSM: Security Framework initializing

 2088 18:29:15.775026  <6>[    0.213292] SELinux:  Initializing.

 2089 18:29:15.779010  <6>[    0.213292] LSM support for eBPF active

 2090 18:29:15.788705  <6>[    0.213292] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2091 18:29:15.798659  <6>[    0.213292] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2092 18:29:15.801998  <6>[    0.213292] mce: CPU0: Thermal monitoring enabled (TM1)

 2093 18:29:15.807985  <6>[    0.213292] process: using mwait in idle threads

 2094 18:29:15.814683  <6>[    0.213292] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8

 2095 18:29:15.821246  <6>[    0.213292] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4

 2096 18:29:15.831151  <6>[    0.213292] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization

 2097 18:29:15.837672  <6>[    0.213292] Spectre V2 : Mitigation: IBRS

 2098 18:29:15.847739  <6>[    0.213292] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch

 2099 18:29:15.854216  <6>[    0.213292] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT

 2100 18:29:15.857528  <6>[    0.213292] RETBleed: Mitigation: IBRS

 2101 18:29:15.866995  <6>[    0.213292] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier

 2102 18:29:15.877137  <6>[    0.213292] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl

 2103 18:29:15.886940  <6>[    0.213292] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp

 2104 18:29:15.893370  <6>[    0.213292] MDS: Vulnerable: Clear CPU buffers attempted, no microcode

 2105 18:29:15.903289  <6>[    0.213292] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode

 2106 18:29:15.910047  <6>[    0.213292] SRBDS: Vulnerable: No microcode

 2107 18:29:15.913388  <4>[    0.213292] ------------[ cut here ]------------

 2108 18:29:15.913686  Setting prompt string to ['-+\\[ end trace \\w* \\]-+[^\\n]*\\r', '/ #', 'Login timed out', 'Login incorrect']
 2109 18:29:15.926701  <4>[    0.213292] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00

 2110 18:29:15.935965  <4>[    0.213292] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220

 2111 18:29:15.939858  <4>[    0.213292] Modules linked in:

 2112 18:29:15.946462  <4>[    0.213292] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.185-cip35 #1

 2113 18:29:15.956323  <4>[    0.213292] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 2114 18:29:15.958970  <4>[    0.213292] RIP: 0010:apply_returns+0x1f5/0x220

 2115 18:29:15.982430  <4>[    0.213292] Code: 46 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 88 61 8f 85 c6 05 78 ea 46 02 01 e8 52 c7 10 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc

 2116 18:29:15.989432  <4>[    0.213292] RSP: 0000:ffffffff85c03de0 EFLAGS: 00010282

 2117 18:29:15.995724  <4>[    0.213292] RAX: 0000000000000000 RBX: ffffffff8680b2cc RCX: 0000000000000000

 2118 18:29:16.005366  <4>[    0.213292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83b77c91

 2119 18:29:16.012100  <4>[    0.213292] RBP: ffffffff8557ed60 R08: 0000000000000001 R09: 0000000000000001

 2120 18:29:16.021995  <4>[    0.213292] R10: ffffffff85c8fee0 R11: 3fffffffffffffff R12: ffffffff86823380

 2121 18:29:16.028183  <4>[    0.213292] R13: cccccccccccccccc R14: ffffffff8557ed65 R15: 0000000000000004

 2122 18:29:16.037987  <4>[    0.213292] FS:  0000000000000000(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 2123 18:29:16.044555  <4>[    0.213292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 2124 18:29:16.054903  <4>[    0.213292] CR2: ffff97bd3efff000 CR3: 0000000041c26001 CR4: 00000000003706f0

 2125 18:29:16.055024  <4>[    0.213292] Call Trace:

 2126 18:29:16.061429  <4>[    0.213292]  ? __warn+0x80/0x110

 2127 18:29:16.064655  <4>[    0.213292]  ? apply_returns+0x1f5/0x220

 2128 18:29:16.067827  <4>[    0.213292]  ? report_bug+0x9e/0xc0

 2129 18:29:16.074543  <4>[    0.213292]  ? __warn_printk+0x6c/0x8d

 2130 18:29:16.077714  <4>[    0.213292]  ? handle_bug+0x41/0x90

 2131 18:29:16.080928  <4>[    0.213292]  ? exc_invalid_op+0x14/0x70

 2132 18:29:16.087651  <4>[    0.213292]  ? asm_exc_invalid_op+0x12/0x20

 2133 18:29:16.090856  <4>[    0.213292]  ? console_unlock+0x4d1/0x5f0

 2134 18:29:16.097550  <4>[    0.213292]  ? apply_returns+0x1f5/0x220

 2135 18:29:16.100961  <4>[    0.213292]  alternative_instructions+0x7d/0x143

 2136 18:29:16.107429  <4>[    0.213292]  check_bugs+0xe9f/0xefb

 2137 18:29:16.110591  <4>[    0.213292]  start_kernel+0x517/0x54d

 2138 18:29:16.117112  <4>[    0.213292]  secondary_startup_64_no_verify+0xc2/0xcb

 2139 18:29:16.120483  <4>[    0.213292] irq event stamp: 198841

 2140 18:29:16.130127  <4>[    0.213292] hardirqs last  enabled at (198849): [<ffffffff83b77c91>] console_unlock+0x4d1/0x5f0

 2141 18:29:16.139906  <4>[    0.213292] hardirqs last disabled at (198856): [<ffffffff83b77c04>] console_unlock+0x444/0x5f0

 2142 18:29:16.153025  <4>[    0.213292] softirqs last  enabled at (1844): [<ffffffff83bcf4bb>] cgroup_idr_alloc.constprop.0+0x5b/0xe0

 2143 18:29:16.163246  <4>[    0.213292] softirqs last disabled at (1842): [<ffffffff83bcf48e>] cgroup_idr_alloc.constprop.0+0x2e/0xe0

 2144 18:29:16.169834  <4>[    0.213292] ---[ end trace c8f77ca8824754af ]---

 2145 18:29:16.170179  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']
 2146 18:29:16.170281  login-action: kernel 'warning'
 2147 18:29:16.170356  [login-action] Waiting for messages, (timeout 00:04:28)
 2148 18:29:16.173120  <6>[    0.213292] Freeing SMP alternatives memory: 48K

 2149 18:29:16.186114  <6>[    0.213292] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9)

 2150 18:29:16.196054  <6>[    0.236313] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver.

 2151 18:29:16.202348  <6>[    0.238305] ... version:                4

 2152 18:29:16.205478  <6>[    0.239297] ... bit width:              48

 2153 18:29:16.212618  <6>[    0.240297] ... generic registers:      4

 2154 18:29:16.219133  <6>[    0.241297] ... value mask:             0000ffffffffffff

 2155 18:29:16.225647  <6>[    0.242296] ... max period:             00007fffffffffff

 2156 18:29:16.228972  <6>[    0.243296] ... fixed-purpose events:   3

 2157 18:29:16.235034  <6>[    0.244296] ... event mask:             000000070000000f

 2158 18:29:16.241666  <6>[    0.260302] rcu: Hierarchical SRCU implementation.

 2159 18:29:16.245071  <6>[    0.319322] smp: Bringing up secondary CPUs ...

 2160 18:29:16.251765  <6>[    0.342327] x86: Booting SMP configuration:

 2161 18:29:16.255248  <6>[    0.344299] .... node  #0, CPUs:      #1

 2162 18:29:16.271314  <4>[    0.364320] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details.

 2163 18:29:16.291467  <4>[    0.366319] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details.

 2164 18:29:16.291570  <4>[    0.387318]  #2 #3

 2165 18:29:16.297601  <6>[    0.455313] smp: Brought up 1 node, 4 CPUs

 2166 18:29:16.304656  <6>[    0.457299] smpboot: Max logical packages: 1

 2167 18:29:16.310653  <6>[    0.458297] smpboot: Total of 4 processors activated (12799.68 BogoMIPS)

 2168 18:29:16.314335  <6>[    0.506296] devtmpfs: initialized

 2169 18:29:16.320511  <6>[    0.516319] x86/mm: Memory block size: 128MB

 2170 18:29:16.330284  <6>[    0.627300] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns

 2171 18:29:16.340151  <6>[    0.628304] futex hash table entries: 1024 (order: 5, 131072 bytes, linear)

 2172 18:29:16.343591  <6>[    0.642309] pinctrl core: initialized pinctrl subsystem

 2173 18:29:16.350246  <6>[    0.669297] PM: RTC time: 18:28:55, date: 2023-06-21

 2174 18:29:16.357018  <6>[    0.687297] NET: Registered protocol family 16

 2175 18:29:16.362963  <6>[    0.709302] audit: initializing netlink subsys (disabled)

 2176 18:29:16.373112  <5>[    0.712348] audit: type=2000 audit(1687372135.500:1): state=initialized audit_enabled=0 res=1

 2177 18:29:16.379600  <6>[    0.733312] thermal_sys: Registered thermal governor 'step_wise'

 2178 18:29:16.386228  <6>[    0.734298] thermal_sys: Registered thermal governor 'user_space'

 2179 18:29:16.389623  <6>[    0.736322] cpuidle: using governor menu

 2180 18:29:16.396275  <6>[    0.745308] ACPI: bus type PCI registered

 2181 18:29:16.406251  <6>[    0.756298] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000)

 2182 18:29:16.415591  <6>[    0.757301] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820

 2183 18:29:16.422168  <6>[    0.758324] PCI: Using configuration type 1 for base access

 2184 18:29:16.425338  <6>[    1.804328] Kprobes globally optimized

 2185 18:29:16.432286  <6>[    1.817311] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages

 2186 18:29:16.442154  <6>[    1.818315] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages

 2187 18:29:16.448241  <6>[    1.826292] cryptomgr_test (38) used greatest stack depth: 14880 bytes left

 2188 18:29:16.455045  <6>[    1.911317] ACPI: Added _OSI(Module Device)

 2189 18:29:16.458318  <6>[    1.912298] ACPI: Added _OSI(Processor Device)

 2190 18:29:16.465073  <6>[    1.913297] ACPI: Added _OSI(3.0 _SCP Extensions)

 2191 18:29:16.471731  <6>[    1.914298] ACPI: Added _OSI(Processor Aggregator Device)

 2192 18:29:16.478357  <6>[    1.915299] ACPI: Added _OSI(Linux-Dell-Video)

 2193 18:29:16.481236  <6>[    1.916298] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)

 2194 18:29:16.487515  <6>[    1.917298] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)

 2195 18:29:16.497326  <6>[    2.276312] ACPI: 2 ACPI AML tables successfully acquired and loaded

 2196 18:29:16.500654  <6>[    2.501322] ACPI: EC: EC started

 2197 18:29:16.504082  <6>[    2.502296] ACPI: EC: interrupt blocked

 2198 18:29:16.511028  <6>[    2.524315] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2199 18:29:16.520303  <6>[    2.525300] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions

 2200 18:29:16.524036  <6>[    2.526296] ACPI: Interpreter enabled

 2201 18:29:16.527050  <6>[    2.528318] ACPI: (supports S0 S3 S4 S5)

 2202 18:29:16.533700  <6>[    2.529298] ACPI: Using IOAPIC for interrupt routing

 2203 18:29:16.543718  <6>[    2.532302] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug

 2204 18:29:16.550174  <6>[    3.032311] ACPI: Power Resource [PRIC] (on)

 2205 18:29:16.556731  <6>[    3.639309] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])

 2206 18:29:16.566676  <6>[    3.640307] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]

 2207 18:29:16.576534  <6>[    3.649318] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR]

 2208 18:29:16.586345  <6>[    3.651321] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge

 2209 18:29:16.592778  <6>[    3.670316] PCI host bridge to bus 0000:00

 2210 18:29:16.599458  <6>[    3.671300] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]

 2211 18:29:16.609646  <6>[    3.672298] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]

 2212 18:29:16.616040  <6>[    3.673298] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]

 2213 18:29:16.625662  <6>[    3.674298] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window]

 2214 18:29:16.635715  <6>[    3.675298] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window]

 2215 18:29:16.642225  <6>[    3.676298] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window]

 2216 18:29:16.652139  <6>[    3.677298] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window]

 2217 18:29:16.661824  <6>[    3.678298] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window]

 2218 18:29:16.668281  <6>[    3.679298] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window]

 2219 18:29:16.678264  <6>[    3.680298] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window]

 2220 18:29:16.688195  <6>[    3.681298] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window]

 2221 18:29:16.694722  <6>[    3.682298] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window]

 2222 18:29:16.704574  <6>[    3.683298] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window]

 2223 18:29:16.710873  <6>[    3.684298] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window]

 2224 18:29:16.720499  <6>[    3.685298] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window]

 2225 18:29:16.730829  <6>[    3.686298] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window]

 2226 18:29:16.737104  <6>[    3.687298] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window]

 2227 18:29:16.746875  <6>[    3.688298] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window]

 2228 18:29:16.757253  <6>[    3.689298] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window]

 2229 18:29:16.763531  <6>[    3.690298] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window]

 2230 18:29:16.770168  <6>[    3.691298] pci_bus 0000:00: root bus resource [bus 00-ff]

 2231 18:29:16.777372  <6>[    3.694320] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000

 2232 18:29:16.784741  <6>[    3.722302] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000

 2233 18:29:16.792653  <6>[    3.723317] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit]

 2234 18:29:16.803221  <6>[    3.724309] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref]

 2235 18:29:16.807225  <6>[    3.725305] pci 0000:00:02.0: reg 0x20: [io  0x1c00-0x1c3f]

 2236 18:29:16.814202  <6>[    3.744308] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000

 2237 18:29:16.822112  <6>[    3.745318] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit]

 2238 18:29:16.828909  <6>[    3.770301] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000

 2239 18:29:16.839663  <6>[    3.771320] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit]

 2240 18:29:16.846172  <6>[    3.791307] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330

 2241 18:29:16.852455  <6>[    3.793312] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit]

 2242 18:29:16.859030  <6>[    3.799307] pci 0000:00:14.0: PME# supported from D3hot D3cold

 2243 18:29:16.866201  <6>[    3.822324] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000

 2244 18:29:16.875928  <6>[    3.825305] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit]

 2245 18:29:16.882473  <6>[    3.846317] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000

 2246 18:29:16.888501  <6>[    3.848314] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit]

 2247 18:29:16.895049  <6>[    3.876317] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000

 2248 18:29:16.904955  <6>[    3.878314] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit]

 2249 18:29:16.911592  <6>[    3.905312] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000

 2250 18:29:16.918059  <6>[    3.907314] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit]

 2251 18:29:16.928066  <6>[    3.909296] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit]

 2252 18:29:16.934288  <6>[    3.935319] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000

 2253 18:29:16.941073  <6>[    3.937314] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit]

 2254 18:29:16.947860  <6>[    3.966301] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400

 2255 18:29:16.957249  <6>[    3.974296] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold

 2256 18:29:16.964012  <6>[    3.998311] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000

 2257 18:29:16.970567  <6>[    4.000315] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit]

 2258 18:29:16.977363  <6>[    4.026305] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000

 2259 18:29:16.987164  <6>[    4.028314] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit]

 2260 18:29:16.993743  <6>[    4.053325] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501

 2261 18:29:17.000342  <6>[    4.056310] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit]

 2262 18:29:17.006414  <6>[    4.084308] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501

 2263 18:29:17.016280  <6>[    4.086307] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit]

 2264 18:29:17.023380  <6>[    4.110316] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100

 2265 18:29:17.029639  <6>[    4.134309] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000

 2266 18:29:17.036094  <6>[    4.135325] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff]

 2267 18:29:17.042665  <6>[    4.162310] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100

 2268 18:29:17.052404  <6>[    4.164312] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit]

 2269 18:29:17.059377  <6>[    4.167297] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit]

 2270 18:29:17.065595  <6>[    4.171319] pci 0000:00:1f.3: PME# supported from D3hot D3cold

 2271 18:29:17.072181  <6>[    4.194306] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500

 2272 18:29:17.081997  <6>[    4.197309] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit]

 2273 18:29:17.088712  <6>[    4.200322] pci 0000:00:1f.4: reg 0x20: [io  0xefa0-0xefbf]

 2274 18:29:17.095330  <6>[    4.224299] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000

 2275 18:29:17.101733  <6>[    4.226297] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff]

 2276 18:29:17.108308  <6>[    4.266299] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000

 2277 18:29:17.118402  <6>[    4.284298] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit]

 2278 18:29:17.124492  <6>[    4.377298] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold

 2279 18:29:17.131384  <6>[    4.440318] pci 0000:00:1c.0: PCI bridge to [bus 01]

 2280 18:29:17.137871  <6>[    4.441314] pci 0000:00:1c.0:   bridge window [mem 0xd1000000-0xd10fffff]

 2281 18:29:17.147731  <6>[    4.479317] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11

 2282 18:29:17.154105  <6>[    4.489306] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15)

 2283 18:29:17.160686  <6>[    4.499299] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11

 2284 18:29:17.170214  <6>[    4.508323] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11

 2285 18:29:17.176830  <6>[    4.517322] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11

 2286 18:29:17.187471  <6>[    4.527299] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11

 2287 18:29:17.193613  <6>[    4.536317] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11

 2288 18:29:17.203200  <6>[    4.545310] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11

 2289 18:29:17.206599  <6>[    4.716297] ACPI: EC: interrupt unblocked

 2290 18:29:17.210000  <6>[    4.717296] ACPI: EC: event unblocked

 2291 18:29:17.216516  <6>[    4.718296] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2292 18:29:17.219766  <6>[    4.719297] ACPI: EC: GPE=0x6e

 2293 18:29:17.229395  <6>[    4.720300] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete

 2294 18:29:17.236426  <6>[    4.721299] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events

 2295 18:29:17.242717  <6>[    4.735294] iommu: Default domain type: Translated 

 2296 18:29:17.249146  <6>[    4.757363] pci 0000:00:02.0: vgaarb: setting as boot VGA device

 2297 18:29:17.259289  <6>[    4.757925] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none

 2298 18:29:17.266002  <6>[    4.797352] pci 0000:00:02.0: vgaarb: bridge control possible

 2299 18:29:17.269342  <6>[    4.814306] vgaarb: loaded

 2300 18:29:17.276019  <5>[    4.841315] SCSI subsystem initialized

 2301 18:29:17.278908  <6>[    4.862304] ACPI: bus type USB registered

 2302 18:29:17.285816  <6>[    4.866311] usbcore: registered new interface driver usbfs

 2303 18:29:17.292030  <6>[    4.868318] usbcore: registered new interface driver hub

 2304 18:29:17.298804  <6>[    4.870301] usbcore: registered new device driver usb

 2305 18:29:17.302169  <6>[    4.874305] mc: Linux media interface: v0.10

 2306 18:29:17.308997  <6>[    4.875320] videodev: Linux video capture interface: v2.00

 2307 18:29:17.315476  <6>[    4.877298] pps_core: LinuxPPS API ver. 1 registered

 2308 18:29:17.325342  <6>[    4.878297] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

 2309 18:29:17.331417  <6>[    4.879305] PTP clock support registered

 2310 18:29:17.337967  <6>[    4.895324] Advanced Linux Sound Architecture Driver Initialized.

 2311 18:29:17.341225  <6>[    4.925302] NetLabel: Initializing

 2312 18:29:17.348267  <6>[    4.926297] NetLabel:  domain hash size = 128

 2313 18:29:17.354954  <6>[    4.927296] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO

 2314 18:29:17.361189  <6>[    4.930303] NetLabel:  unlabeled traffic allowed by default

 2315 18:29:17.365132  <6>[    4.938300] PCI: Using ACPI for IRQ routing

 2316 18:29:17.371146  <6>[    5.222315] clocksource: Switched to clocksource tsc-early

 2317 18:29:17.377778  <5>[    5.536060] VFS: Disk quotas dquot_6.6.0

 2318 18:29:17.384358  <6>[    5.536481] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

 2319 18:29:17.387294  <6>[    5.537434] pnp: PnP ACPI init

 2320 18:29:17.397535  <6>[    5.538349] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved

 2321 18:29:17.403688  <6>[    5.538947] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved

 2322 18:29:17.410700  <6>[    5.539550] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved

 2323 18:29:17.420152  <6>[    5.540145] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved

 2324 18:29:17.426871  <6>[    5.540746] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved

 2325 18:29:17.433423  <6>[    5.541349] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved

 2326 18:29:17.443412  <6>[    5.541972] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved

 2327 18:29:17.450100  <6>[    5.542600] system 00:00: [mem 0xff000000-0xffffffff] has been reserved

 2328 18:29:17.460036  <6>[    5.543194] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved

 2329 18:29:17.466078  <6>[    5.543795] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved

 2330 18:29:17.473002  <6>[    5.545080] system 00:01: [io  0x1800-0x18fe] has been reserved

 2331 18:29:17.479354  <6>[    5.545906] system 00:03: [io  0x0900-0x09fe] has been reserved

 2332 18:29:17.485888  <6>[    5.546633] system 00:04: [io  0x0200] has been reserved

 2333 18:29:17.492744  <6>[    5.547120] system 00:04: [io  0x0204] has been reserved

 2334 18:29:17.498752  <6>[    5.547615] system 00:04: [io  0x0800-0x087f] has been reserved

 2335 18:29:17.505531  <6>[    5.548152] system 00:04: [io  0x0880-0x08ff] has been reserved

 2336 18:29:17.512110  <6>[    5.550611] pnp: PnP ACPI: found 6 devices

 2337 18:29:17.521816  <6>[    5.562498] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns

 2338 18:29:17.525618  <6>[    5.563380] NET: Registered protocol family 2

 2339 18:29:17.535517  <6>[    5.563928] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)

 2340 18:29:17.545334  <6>[    5.565867] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear)

 2341 18:29:17.554666  <6>[    5.566815] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)

 2342 18:29:17.561617  <6>[    5.567693] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear)

 2343 18:29:17.571362  <6>[    5.569893] TCP: Hash tables configured (established 32768 bind 32768)

 2344 18:29:17.577591  <6>[    5.570737] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear)

 2345 18:29:17.587948  <6>[    5.571637] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2346 18:29:17.594571  <6>[    5.572471] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2347 18:29:17.600578  <6>[    5.573432] NET: Registered protocol family 1

 2348 18:29:17.607816  <6>[    5.574392] RPC: Registered named UNIX socket transport module.

 2349 18:29:17.614159  <6>[    5.574947] RPC: Registered udp transport module.

 2350 18:29:17.617234  <6>[    5.575391] RPC: Registered tcp transport module.

 2351 18:29:17.627038  <6>[    5.575825] RPC: Registered tcp NFSv4.1 backchannel transport module.

 2352 18:29:17.630098  <6>[    5.576862] NET: Registered protocol family 44

 2353 18:29:17.637141  <6>[    5.577292] pci 0000:00:1c.0: PCI bridge to [bus 01]

 2354 18:29:17.646464  <6>[    5.577779] pci 0000:00:1c.0:   bridge window [mem 0xd1000000-0xd10fffff]

 2355 18:29:17.653209  <6>[    5.578411] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]

 2356 18:29:17.659928  <6>[    5.578966] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]

 2357 18:29:17.666334  <6>[    5.579579] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]

 2358 18:29:17.676386  <6>[    5.580193] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window]

 2359 18:29:17.682600  <6>[    5.580816] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window]

 2360 18:29:17.692709  <6>[    5.581442] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window]

 2361 18:29:17.699189  <6>[    5.582057] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window]

 2362 18:29:17.708911  <6>[    5.582685] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window]

 2363 18:29:17.715970  <6>[    5.583307] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window]

 2364 18:29:17.725653  <6>[    5.583936] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window]

 2365 18:29:17.732141  <6>[    5.584567] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window]

 2366 18:29:17.738387  <6>[    5.585190] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window]

 2367 18:29:17.748252  <6>[    5.585818] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window]

 2368 18:29:17.754744  <6>[    5.586451] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window]

 2369 18:29:17.764859  <6>[    5.587073] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window]

 2370 18:29:17.771294  <6>[    5.587705] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window]

 2371 18:29:17.781215  <6>[    5.588338] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window]

 2372 18:29:17.787520  <6>[    5.588961] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window]

 2373 18:29:17.797421  <6>[    5.589604] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window]

 2374 18:29:17.803848  <6>[    5.590227] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window]

 2375 18:29:17.810810  <6>[    5.590856] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff]

 2376 18:29:17.820341  <6>[    5.591759] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]

 2377 18:29:17.827042  <6>[    5.594036] PCI: CLS 64 bytes, default 64

 2378 18:29:17.830410  <6>[    5.594711] Unpacking initramfs...

 2379 18:29:17.836446  <6>[    5.909287] Freeing initrd memory: 10404K

 2380 18:29:17.840074  <6>[    5.909744] DMAR: Host address width 39

 2381 18:29:17.846876  <6>[    5.910132] DMAR: DRHD base: 0x000000fed90000 flags: 0x0

 2382 18:29:17.856616  <6>[    5.910695] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e

 2383 18:29:17.863333  <6>[    5.911449] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff

 2384 18:29:17.869768  <6>[    5.912012] DMAR: DRHD base: 0x000000fed91000 flags: 0x1

 2385 18:29:17.879410  <6>[    5.912517] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da

 2386 18:29:17.886372  <6>[    5.913295] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)

 2387 18:29:17.896008  <6>[    5.913885] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB)

 2388 18:29:17.905616  <6>[    5.914773] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer

 2389 18:29:17.912227  <6>[    5.915492] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules

 2390 18:29:17.918828  <6>[    5.916012] RAPL PMU: hw unit of domain package 2^-14 Joules

 2391 18:29:17.925181  <6>[    5.916557] RAPL PMU: hw unit of domain dram 2^-14 Joules

 2392 18:29:17.931763  <6>[    5.917048] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules

 2393 18:29:17.938678  <6>[    5.917566] RAPL PMU: hw unit of domain psys 2^-14 Joules

 2394 18:29:17.941771  <3>[    5.919410] kvm: already loaded the other module

 2395 18:29:17.951751  <6>[    5.934276] check: Scanning for low memory corruption every 60 seconds

 2396 18:29:17.954791  <5>[    5.937188] Initialise system trusted keyrings

 2397 18:29:17.961694  <6>[    5.937805] workingset: timestamp_bits=56 max_order=20 bucket_order=0

 2398 18:29:17.968451  <5>[    5.952711] NFS: Registering the id_resolver key type

 2399 18:29:17.974435  <5>[    5.953205] Key type id_resolver registered

 2400 18:29:17.977679  <5>[    5.953629] Key type id_legacy registered

 2401 18:29:17.984366  <5>[    5.969375] Key type asymmetric registered

 2402 18:29:17.991693  <5>[    5.969783] Asymmetric key parser 'x509' registered

 2403 18:29:17.997561  <6>[    5.970268] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)

 2404 18:29:18.004110  <6>[    5.970955] io scheduler mq-deadline registered

 2405 18:29:18.008011  <6>[    5.971384] io scheduler kyber registered

 2406 18:29:18.014029  <4>[    5.971924] test_firmware: interface ready

 2407 18:29:18.020488  <6>[    5.973459] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120

 2408 18:29:18.024408  <6>[    5.974986] ACPI: AC Adapter [AC] (on-line)

 2409 18:29:18.037288  <6>[    5.975677] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0

 2410 18:29:18.040443  <6>[    5.977259] ACPI: Lid Switch [LID0]

 2411 18:29:18.050554  <6>[    5.977797] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1

 2412 18:29:18.053438  <6>[    5.978649] ACPI: Power Button [PWRF]

 2413 18:29:18.060114  <6>[    5.979255] ACPI: \_PR_.CP00: Found 3 idle states

 2414 18:29:18.066325  <6>[    5.980298] ACPI: \_PR_.CP01: Found 3 idle states

 2415 18:29:18.069467  <6>[    5.981182] ACPI: \_PR_.CP02: Found 3 idle states

 2416 18:29:18.075909  <6>[    5.982049] ACPI: \_PR_.CP03: Found 3 idle states

 2417 18:29:18.082286  <6>[    5.983310] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled

 2418 18:29:18.089439  <4>[    5.986055] hpet_acpi_add: no address or irqs in _CRS

 2419 18:29:18.095823  <6>[    5.986841] Non-volatile memory driver v1.3

 2420 18:29:18.102559  <6>[    5.986943] battery: ACPI: Battery Slot [BAT0] (battery present)

 2421 18:29:18.105771  <6>[    5.987367] Linux agpgart interface v0.103

 2422 18:29:18.112211  <6>[    5.988545] [drm] amdgpu kernel modesetting enabled.

 2423 18:29:18.118999  <6>[    5.991058] i915 0000:00:02.0: vgaarb: deactivate vga console

 2424 18:29:18.132034  <6>[    6.043502] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem

 2425 18:29:18.141365  <6>[    6.045184] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4)

 2426 18:29:18.147853  <6>[    6.075679] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0

 2427 18:29:18.157902  <6>[    6.078667] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1

 2428 18:29:18.160915  <6>[    6.092013] loop: module loaded

 2429 18:29:18.167667  <6>[    6.092905] lkdtm: No crash points registered, enable through debugfs

 2430 18:29:18.173974  <6>[    6.111419] printk: console [ttyS0] disabled

 2431 18:29:18.184331  <6>[    6.112020] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A

 2432 18:29:18.190676  <6>[    6.966195] tsc: Refined TSC clocksource calibration: 1607.999 MHz

 2433 18:29:18.200548  <6>[    6.966219] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns

 2434 18:29:18.206757  <6>[    6.966362] clocksource: Switched to clocksource tsc

 2435 18:29:18.261173  <6>[    9.711686] printk: console [ttyS0] enabled

 2436 18:29:18.268105  <6>[    9.711737] fbcon: i915drmfb (fb0) is primary device

 2437 18:29:18.277459  <6>[    9.720574] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A

 2438 18:29:18.284474  <4>[    9.721964] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO

 2439 18:29:18.291008  <6>[    9.728177] e100: Intel(R) PRO/100 Network Driver

 2440 18:29:18.297484  <6>[    9.728179] e100: Copyright(c) 1999-2006 Intel Corporation

 2441 18:29:18.304068  <6>[    9.728222] e1000: Intel(R) PRO/1000 Network Driver

 2442 18:29:18.310392  <6>[    9.728224] e1000: Copyright (c) 1999-2006 Intel Corporation.

 2443 18:29:18.313359  <6>[    9.728277] e1000e: Intel(R) PRO/1000 Network Driver

 2444 18:29:18.323775  <6>[    9.728278] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

 2445 18:29:18.327091  <6>[    9.728358] sky2: driver version 1.30

 2446 18:29:18.333236  <6>[    9.728573] usbcore: registered new interface driver r8152

 2447 18:29:18.340123  <6>[    9.728917] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

 2448 18:29:18.346496  <6>[    9.728936] ehci-pci: EHCI PCI platform driver

 2449 18:29:18.353068  <6>[    9.728986] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

 2450 18:29:18.359579  <6>[    9.728998] ohci-pci: OHCI PCI platform driver

 2451 18:29:18.366366  <6>[    9.729039] uhci_hcd: USB Universal Host Controller Interface driver

 2452 18:29:18.372827  <6>[    9.729794] xhci_hcd 0000:00:14.0: xHCI Host Controller

 2453 18:29:18.379402  <6>[    9.730441] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1

 2454 18:29:18.389059  <6>[    9.731188] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2

 2455 18:29:18.399223  <6>[    9.731789] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810

 2456 18:29:18.405803  <6>[    9.731831] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported

 2457 18:29:18.412305  <6>[    9.733413] xhci_hcd 0000:00:14.0: xHCI Host Controller

 2458 18:29:18.421891  <6>[    9.733804] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2

 2459 18:29:18.428956  <6>[    9.733815] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed

 2460 18:29:18.438904  <6>[    9.734242] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10

 2461 18:29:18.448733  <6>[    9.734259] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2462 18:29:18.452048  <6>[    9.734263] usb usb1: Product: xHCI Host Controller

 2463 18:29:18.462240  <6>[    9.734267] usb usb1: Manufacturer: Linux 5.10.185-cip35 xhci-hcd

 2464 18:29:18.467580  <6>[    9.734269] usb usb1: SerialNumber: 0000:00:14.0

 2465 18:29:18.470863  <6>[    9.735518] hub 1-0:1.0: USB hub found

 2466 18:29:18.474012  <6>[    9.735670] hub 1-0:1.0: 12 ports detected

 2467 18:29:18.483978  <6>[    9.738476] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10

 2468 18:29:18.493668  <6>[    9.738480] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2469 18:29:18.497142  <6>[    9.738482] usb usb2: Product: xHCI Host Controller

 2470 18:29:18.507539  <6>[    9.738485] usb usb2: Manufacturer: Linux 5.10.185-cip35 xhci-hcd

 2471 18:29:18.510788  <6>[    9.738487] usb usb2: SerialNumber: 0000:00:14.0

 2472 18:29:18.522803  <6>[    9.739154] hub 2-0:1.0: USB hub found

 2473 18:29:18.526014  <6>[    9.739189] hub 2-0:1.0: 6 ports detected

 2474 18:29:18.529201  <6>[    9.740650] usbcore: registered new interface driver usblp

 2475 18:29:18.535747  <6>[    9.740709] usbcore: registered new interface driver usb-storage

 2476 18:29:18.545752  <6>[    9.741152] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers

 2477 18:29:18.553673  <6>[    9.741255] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1

 2478 18:29:18.566148  <4>[    9.741257] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp

 2479 18:29:18.569287  <4>[    9.741964] i8042: Warning: Keylock active

 2480 18:29:18.576281  <6>[    9.742219] serio: i8042 KBD port at 0x60,0x64 irq 1

 2481 18:29:18.580083  <6>[    9.743625] rtc_cmos 00:02: RTC can wake from S4

 2482 18:29:18.586536  <6>[    9.745374] rtc_cmos 00:02: registered as rtc0

 2483 18:29:18.593277  <6>[    9.745608] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram

 2484 18:29:18.603141  <6>[    9.746595] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2

 2485 18:29:18.609924  <6>[    9.746712] Console: switching to colour frame buffer device 240x67

 2486 18:29:18.616775  <6>[    9.747763] i801_smbus 0000:00:1f.4: SPD Write Disable is set

 2487 18:29:18.623335  <6>[    9.747798] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt

 2488 18:29:18.629488  <6>[    9.748508] i2c i2c-9: 2/2 memory slots populated (from DMI)

 2489 18:29:18.639855  <6>[    9.749822] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com

 2490 18:29:18.646159  <6>[    9.749871] intel_pstate: Intel P-state driver initializing

 2491 18:29:18.656070  <6>[    9.750227] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0)

 2492 18:29:18.659786  <6>[    9.750591] intel_pstate: HWP enabled

 2493 18:29:18.666098  <6>[    9.750622] sdhci: Secure Digital Host Controller Interface driver

 2494 18:29:18.672706  <6>[    9.750623] sdhci: Copyright(c) Pierre Ossman

 2495 18:29:18.679286  <6>[    9.750654] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21)

 2496 18:29:18.689501  <6>[    9.751649] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit

 2497 18:29:18.696131  <6>[    9.751803] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2498 18:29:18.702067  <6>[    9.753087] hid: raw HID events driver (C) Jiri Kosina

 2499 18:29:18.709131  <6>[    9.753699] usbcore: registered new interface driver usbhid

 2500 18:29:18.712184  <6>[    9.753700] usbhid: USB HID core driver

 2501 18:29:18.725353  <6>[    9.754115] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3

 2502 18:29:18.735409  <6>[    9.758875] cros_ec_lpcs GOOG0004:00: Chrome EC device registered

 2503 18:29:18.745245  <6>[    9.759592] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100

 2504 18:29:18.755454  <6>[    9.760431] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops)

 2505 18:29:18.761623  <6>[    9.761546] ipip: IPv4 and MPLS over IPv4 tunneling driver

 2506 18:29:18.765296  <6>[    9.761839] IPv4 over IPsec tunneling driver

 2507 18:29:18.771577  <6>[    9.762111] Initializing XFRM netlink socket

 2508 18:29:18.775208  <6>[    9.762482] NET: Registered protocol family 10

 2509 18:29:18.781764  <6>[    9.763366] Segment Routing with IPv6

 2510 18:29:18.784989  <6>[    9.764070] NET: Registered protocol family 17

 2511 18:29:18.791917  <5>[    9.764173] Key type dns_resolver registered

 2512 18:29:18.798397  <6>[    9.765130] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device

 2513 18:29:18.804938  <6>[    9.961364] mmc0: new HS400 MMC card at address 0001

 2514 18:29:18.811817  <6>[    9.969337] microcode: sig=0x806e9, pf=0x10, revision=0x98

 2515 18:29:18.818277  <6>[    9.970140] microcode: Microcode Update Driver: v2.2.

 2516 18:29:18.821488  <6>[    9.975362] mmcblk0: mmc0:0001 DA4064 58.2 GiB 

 2517 18:29:18.828155  <6>[    9.979491] IPI shorthand broadcast: enabled

 2518 18:29:18.834674  <6>[    9.979509] usb 1-3: new full-speed USB device number 2 using xhci_hcd

 2519 18:29:18.844711  <6>[    9.979700] sched_clock: Marking stable (9889155960, 90321818)->(5354658641, 4624819137)

 2520 18:29:18.851232  <6>[    9.989297] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB

 2521 18:29:18.854542  <6>[   10.003552] registered taskstats version 1

 2522 18:29:18.864635  <6>[   10.010554] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB

 2523 18:29:18.867890  <5>[   10.015885] Loading compiled-in X.509 certificates

 2524 18:29:18.877731  <6>[   10.017887] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2525 18:29:18.884299  <6>[   10.020644] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0)

 2526 18:29:18.893908  <6>[   10.027288] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2527 18:29:18.901069  <3>[   10.037307] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up

 2528 18:29:18.907471  <6>[   10.039709] PM:   Magic number: 11:414:494

 2529 18:29:18.920759  <6>[   10.090297] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2

 2530 18:29:18.927438  <6>[   10.107242]  mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12

 2531 18:29:18.934177  <6>[   10.107465] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2532 18:29:18.943866  <6>[   10.132656] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03

 2533 18:29:18.953685  <6>[   10.135920] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2534 18:29:18.960288  <6>[   10.144614] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0

 2535 18:29:18.966778  <6>[   10.465435] printk: console [netcon0] enabled

 2536 18:29:18.969805  <6>[   10.470653] netconsole: network logging started

 2537 18:29:18.981932  <6>[   10.477836] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2538 18:29:19.021668  <6>[   10.517748] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2539 18:29:19.042627  <6>[   10.538893] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00

 2540 18:29:19.052993  <6>[   10.548350] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6

 2541 18:29:19.059673  <6>[   10.556627] usb 2-3: Product: USB 10/100/1000 LAN

 2542 18:29:19.062345  <6>[   10.562184] usb 2-3: Manufacturer: Realtek

 2543 18:29:19.068963  <6>[   10.567058] usb 2-3: SerialNumber: 001000001

 2544 18:29:19.079123  <6>[   10.575110] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2545 18:29:19.156268  <6>[   10.652583] usb 1-9: new high-speed USB device number 3 using xhci_hcd

 2546 18:29:19.320720  <6>[   10.816624] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07

 2547 18:29:19.330450  <6>[   10.826093] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2

 2548 18:29:19.337018  <6>[   10.834375] usb 1-9: Product: USB2.0 HD UVC WebCam

 2549 18:29:19.340207  <6>[   10.840034] usb 1-9: Manufacturer: Azurewave

 2550 18:29:19.347284  <6>[   10.845109] usb 1-9: SerialNumber: 0x0001

 2551 18:29:19.361333  <6>[   10.857290] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2552 18:29:19.406477  <6>[   10.902741] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2553 18:29:19.457876  <6>[   10.954271] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully

 2554 18:29:19.491222  <6>[   10.990661] r8152 2-3:1.0 eth0: v1.11.11

 2555 18:29:19.501042  <6>[   10.995741] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2556 18:29:22.574070  <6>[   14.073294] r8152 2-3:1.0 eth0: carrier on

 2557 18:29:22.580621  <6>[   14.078297] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

 2558 18:29:22.926340  <5>[   14.087437] Sending DHCP requests .

 2559 18:29:22.932996  <3>[   14.425808] DHCP/BOOTP: Reply not for us on eth0, op[2] xid[88340c9]

 2560 18:29:22.939454  <3>[   14.437601] DHCP/BOOTP: Reply not for us on eth0, op[2] xid[88340c9]

 2561 18:29:25.438494  <4>[   16.927463] ., OK

 2562 18:29:25.448279  <6>[   16.943989] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.13

 2563 18:29:25.451997  <6>[   16.953238] IP-Config: Complete:

 2564 18:29:25.465245  <6>[   16.957141]      device=eth0, hwaddr=00:e0:4c:68:0b:d9, ipaddr=192.168.201.13, mask=255.255.255.0, gw=192.168.201.1

 2565 18:29:25.474964  <6>[   16.969103]      host=asus-c433ta-aj0005-rammus-cbg-0, domain=lava-rack, nis-domain=(none)

 2566 18:29:25.481355  <6>[   16.978636]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

 2567 18:29:25.487923  <6>[   16.978638]      nameserver0=192.168.201.1

 2568 18:29:25.497442  <5>[   16.992077] cfg80211: Loading compiled-in X.509 certificates for regulatory database

 2569 18:29:25.507440  <6>[   17.003922] modprobe (101) used greatest stack depth: 14120 bytes left

 2570 18:29:25.514196  <5>[   17.006801] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'

 2571 18:29:25.523918  <4>[   17.019386] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2

 2572 18:29:25.527469  <6>[   17.020472] ALSA device list:

 2573 18:29:25.534171  <6>[   17.029394] cfg80211: failed to load regulatory.db

 2574 18:29:25.537225  <6>[   17.032976]   No soundcards found.

 2575 18:29:25.546876  <4>[   17.043100] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console

 2576 18:29:25.553948  <6>[   17.052695] Freeing unused kernel image (initmem) memory: 2148K

 2577 18:29:25.570646  <6>[   17.066600] Write protecting the kernel read-only data: 34816k

 2578 18:29:25.576931  <6>[   17.074338] Freeing unused kernel image (text/rodata gap) memory: 2028K

 2579 18:29:25.586665  <6>[   17.082379] Freeing unused kernel image (rodata/data gap) memory: 860K

 2580 18:29:25.589950  <6>[   17.090088] Run /init as init process

 2581 18:29:25.596399  Loading, please wait...

 2582 18:29:25.607127  Starting version 247.3-7+deb11u2

 2583 18:29:25.616517  <6>[   17.110187] systemd-udevd (123) used greatest stack depth: 13688 bytes left

 2584 18:29:25.661585  <6>[   17.157749] udevadm (125) used greatest stack depth: 13592 bytes left

 2585 18:29:25.791590  <6>[   17.287489] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2586 18:29:25.798159  <6>[   17.297131] chromeos ramoops using acpi device.

 2587 18:29:25.807715  <4>[   17.302943] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer.

 2588 18:29:25.814136  <6>[   17.306602] udevadm (136) used greatest stack depth: 13192 bytes left

 2589 18:29:25.823770  <6>[   17.313575] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2590 18:29:25.836906  <6>[   17.333245] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2591 18:29:25.847262  <4>[   17.341940] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator

 2592 18:29:25.856972  <4>[   17.352475] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator

 2593 18:29:25.868924  <6>[   17.365237] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2594 18:29:25.886430  <6>[   17.382552] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2595 18:29:25.893433  <6>[   17.392603] Registered efivars operations

 2596 18:29:25.899711  <6>[   17.399032] gsmi version 1.0 loaded

 2597 18:29:26.040943  <6>[   17.530915] input: PNP0C50:00 0457:157E Touchscreen as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-6/i2c-PNP0C50:00/0018:0457:157E.0001/input/input4

 2598 18:29:26.056176  <6>[   17.548709] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00

 2599 18:29:26.065824  <6>[   17.561626] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2600 18:29:26.078673  <6>[   17.575075] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2601 18:29:26.091026  <6>[   17.587006] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2602 18:29:26.104341  <6>[   17.599926] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2603 18:29:26.118752  <6>[   17.613658] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2604 18:29:26.125079  <6>[   17.615620] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4)

 2605 18:29:26.134928  <6>[   17.623945] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2606 18:29:26.147835  <4>[   17.640958] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk

 2607 18:29:26.155327  <6>[   17.642247] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2608 18:29:26.169118  <6>[   17.657222] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/input/input6

 2609 18:29:26.175204  <6>[   17.661105] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2610 18:29:26.182154  <6>[   17.672563] usbcore: registered new interface driver uvcvideo

 2611 18:29:26.192307  <6>[   17.681778] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2612 18:29:26.194910  <6>[   17.686946] USB Video Class driver (1.1.1)

 2613 18:29:26.209729  <6>[   17.704659] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2614 18:29:26.219902  <6>[   17.714834] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2615 18:29:26.223161  Begin: Loading essential drivers ... done.

 2616 18:29:26.226338  Begin: Running /scripts/init-premount ... done.

 2617 18:29:26.236507  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

 2618 18:29:26.246220  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

 2619 18:29:26.249379  Device /sys/class/net/eth0 found

 2620 18:29:26.249460  done.

 2621 18:29:26.261996  IP-Config: eth0 hardware address 00:e0:4c:68:0b:d9 mtu 1500 DHCP

 2622 18:29:26.272187  IP-Config: eth0 complete (dhcp from 192.168.201.1):

 2623 18:29:26.278990   address: 192.168.201.13   broadcast: 192.168.201.255  netmask: 255.255.255.0   

 2624 18:29:26.288405   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         

 2625 18:29:26.295269   host   : asus-c433ta-aj0005-rammus-cbg-0                                 

 2626 18:29:26.301870   domain : lava-rack                                                       

 2627 18:29:26.308465   rootserver: 192.168.201.1 rootpath: 

 2628 18:29:26.308549   filename  : 

 2629 18:29:26.332407  <6>[   17.828784] nfsmount (168) used greatest stack depth: 12688 bytes left

 2630 18:29:26.332516  done.

 2631 18:29:26.344737  Begin: Running /scripts/nfs-bottom ... done.

 2632 18:29:26.363650  Begin: Running /scripts/init-bottom ... done.

 2633 18:29:26.633159  SELinux:  Could not open policy file <= /etc/selinux/targeted/policy/policy.33:  No such file or directory

 2634 18:29:26.733022  <30>[   18.212490] 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)

 2635 18:29:26.750953  <30>[   18.250622] systemd[1]: Detected architecture x86-64.

 2636 18:29:26.759431  

 2637 18:29:26.762649  Welcome to Debian GNU/Linux 11 (bullseye)!

 2638 18:29:26.762729  

 2639 18:29:26.773218  <30>[   18.269739] systemd[1]: Set hostname to <debian-bullseye-amd64>.

 2640 18:29:27.063534  <30>[   18.559810] systemd[1]: Queued start job for default target Graphical Interface.

 2641 18:29:27.070922  <30>[   18.570398] systemd[1]: Created slice system-getty.slice.

 2642 18:29:27.081222  [  OK  ] Created slice system-getty.slice.

 2643 18:29:27.090659  <30>[   18.586960] systemd[1]: Created slice system-modprobe.slice.

 2644 18:29:27.097191  [  OK  ] Created slice system-modprobe.slice.

 2645 18:29:27.107702  <30>[   18.604054] systemd[1]: Created slice system-serial\x2dgetty.slice.

 2646 18:29:27.114095  [  OK  ] Created slice system-serial\x2dgetty.slice.

 2647 18:29:27.124681  <30>[   18.620939] systemd[1]: Created slice User and Session Slice.

 2648 18:29:27.130822  [  OK  ] Created slice User and Session Slice.

 2649 18:29:27.141903  <30>[   18.637876] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

 2650 18:29:27.151375  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

 2651 18:29:27.163618  <30>[   18.659846] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

 2652 18:29:27.173209  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

 2653 18:29:27.186425  <30>[   18.679550] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.

 2654 18:29:27.196608  [  OK  ] Set up automount Arbitrary…s File System Automount Point.

 2655 18:29:27.206391  <30>[   18.702712] systemd[1]: Reached target Local Encrypted Volumes.

 2656 18:29:27.212794  [  OK  ] Reached target Local Encrypted Volumes.

 2657 18:29:27.220104  <30>[   18.719704] systemd[1]: Reached target Paths.

 2658 18:29:27.227164  [  OK  ] Reached target Paths.

 2659 18:29:27.234391  <30>[   18.733689] systemd[1]: Reached target Remote File Systems.

 2660 18:29:27.244087  [  OK  ] Reached target Remote File Systems.

 2661 18:29:27.251045  <30>[   18.749676] systemd[1]: Reached target Slices.

 2662 18:29:27.257502  [  OK  ] Reached target Slices.

 2663 18:29:27.264030  <30>[   18.763673] systemd[1]: Reached target Swap.

 2664 18:29:27.270931  [  OK  ] Reached target Swap.

 2665 18:29:27.277322  <30>[   18.774900] systemd[1]: Listening on initctl Compatibility Named Pipe.

 2666 18:29:27.287185  [  OK  ] Listening on initctl Compatibility Named Pipe.

 2667 18:29:27.293805  <30>[   18.792448] systemd[1]: Listening on Journal Audit Socket.

 2668 18:29:27.299941  [  OK  ] Listening on Journal Audit Socket.

 2669 18:29:27.313362  <30>[   18.809446] systemd[1]: Listening on Journal Socket (/dev/log).

 2670 18:29:27.319948  [  OK  ] Listening on Journal Socket (/dev/log).

 2671 18:29:27.326560  <30>[   18.826094] systemd[1]: Listening on Journal Socket.

 2672 18:29:27.332813  [  OK  ] Listening on Journal Socket.

 2673 18:29:27.345085  <30>[   18.841482] systemd[1]: Listening on Network Service Netlink Socket.

 2674 18:29:27.351447  [  OK  ] Listening on Network Service Netlink Socket.

 2675 18:29:27.360918  <30>[   18.860317] systemd[1]: Listening on udev Control Socket.

 2676 18:29:27.370538  [  OK  ] Listening on udev Control Socket.

 2677 18:29:27.377029  <30>[   18.875978] systemd[1]: Listening on udev Kernel Socket.

 2678 18:29:27.383405  [  OK  ] Listening on udev Kernel Socket.

 2679 18:29:27.394212  <30>[   18.893648] systemd[1]: Mounting Huge Pages File System...

 2680 18:29:27.400515           Mounting Huge Pages File System...

 2681 18:29:27.412031  <30>[   18.908517] systemd[1]: Mounting POSIX Message Queue File System...

 2682 18:29:27.419004           Mounting POSIX Message Queue File System...

 2683 18:29:27.430010  <30>[   18.926538] systemd[1]: Mounting Kernel Debug File System...

 2684 18:29:27.433196           Mounting Kernel Debug File System...

 2685 18:29:27.445305  <30>[   18.941164] systemd[1]: Mounting Kernel Trace File System...

 2686 18:29:27.448519           Mounting Kernel Trace File System...

 2687 18:29:27.461136  <30>[   18.957530] systemd[1]: Starting Create list of static device nodes for the current kernel...

 2688 18:29:27.471167           Starting Create list of st…odes for the current kernel...

 2689 18:29:27.481897  <30>[   18.978118] systemd[1]: Starting Load Kernel Module configfs...

 2690 18:29:27.488155           Starting Load Kernel Module configfs...

 2691 18:29:27.495332  <30>[   18.995081] systemd[1]: Starting Load Kernel Module drm...

 2692 18:29:27.502367           Starting Load Kernel Module drm...

 2693 18:29:27.511419  <30>[   19.011102] systemd[1]: Starting Load Kernel Module fuse...

 2694 18:29:27.518231           Starting Load Kernel Module fuse...

 2695 18:29:27.525295  <6>[   19.024851] fuse: init (API version 7.32)

 2696 18:29:27.538953  <30>[   19.031645] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

 2697 18:29:27.545851  <30>[   19.045287] systemd[1]: Starting Journal Service...

 2698 18:29:27.552428           Starting Journal Service...

 2699 18:29:27.561051  <30>[   19.060851] systemd[1]: Starting Load Kernel Modules...

 2700 18:29:27.567808           Starting Load Kernel Modules...

 2701 18:29:27.580666  <30>[   19.076779] systemd[1]: Starting Remount Root and Kernel File Systems...

 2702 18:29:27.587252           Starting Remount Root and Kernel File Systems...

 2703 18:29:27.599738  <30>[   19.095849] systemd[1]: Starting Coldplug All udev Devices...

 2704 18:29:27.602812           Starting Coldplug All udev Devices...

 2705 18:29:27.618467  <30>[   19.117480] systemd[1]: Mounted Huge Pages File System.

 2706 18:29:27.624287  [  OK  ] Mounted Huge Pages File System.

 2707 18:29:27.637858  <30>[   19.133680] systemd[1]: Mounted POSIX Message Queue File System.

 2708 18:29:27.644125  [  OK  ] Mounted POSIX Message Queue File System.

 2709 18:29:27.650579  <30>[   19.149702] systemd[1]: Mounted Kernel Debug File System.

 2710 18:29:27.657254  [  OK  ] Mounted Kernel Debug File System.

 2711 18:29:27.665956  <30>[   19.165681] systemd[1]: Mounted Kernel Trace File System.

 2712 18:29:27.672772  [  OK  ] Mounted Kernel Trace File System.

 2713 18:29:27.686694  <30>[   19.182661] systemd[1]: Finished Create list of static device nodes for the current kernel.

 2714 18:29:27.696664  [  OK  ] Finished Create list of st… nodes for the current kernel.

 2715 18:29:27.708882  <30>[   19.205172] systemd[1]: modprobe@configfs.service: Succeeded.

 2716 18:29:27.715367  <30>[   19.212482] systemd[1]: Finished Load Kernel Module configfs.

 2717 18:29:27.722054  [  OK  ] Finished Load Kernel Module configfs.

 2718 18:29:27.730326  <30>[   19.229920] systemd[1]: Started Journal Service.

 2719 18:29:27.736699  [  OK  ] Started Journal Service.

 2720 18:29:27.749721  [  OK  ] Finished Load Kernel Module drm.

 2721 18:29:27.760616  [  OK  ] Finished Load Kernel Module fuse.

 2722 18:29:27.768993  [  OK  ] Finished Load Kernel Modules.

 2723 18:29:27.780718  [  OK  ] Finished Remount Root and Kernel File Systems.

 2724 18:29:27.790493           Mounting FUSE Control File System...

 2725 18:29:27.799514           Mounting Kernel Configuration File System...

 2726 18:29:27.815771           Starting Flush Journal to Persistent Storage...

 2727 18:29:27.823325           Starting Load/Save Random Seed...

 2728 18:29:27.834545           Starting Apply Kernel Variables...

 2729 18:29:27.843982  <46>[   19.337944] systemd-journald[203]: Received client request to flush runtime journal.

 2730 18:29:27.851726           Starting Create System Users...

 2731 18:29:27.862139  [  OK  ] Mounted FUSE Control File System.

 2732 18:29:27.874564  [  OK  ] Mounted Kernel Configuration File System.

 2733 18:29:27.882005  [  OK  ] Finished Load/Save Random Seed.

 2734 18:29:27.892731  [  OK  ] Finished Apply Kernel Variables.

 2735 18:29:28.008732  [  OK  ] Finished Coldplug All udev Devices.

 2736 18:29:28.030695  [  OK  ] Finished Create System Users.

 2737 18:29:28.045018           Starting Create Static Device Nodes in /dev...

 2738 18:29:28.071907  [  OK  ] Finished Flush Journal to Persistent Storage.

 2739 18:29:28.106229  [  OK  ] Finished Create Static Device Nodes in /dev.

 2740 18:29:28.116126  [  OK  ] Reached target Local File Systems (Pre).

 2741 18:29:28.122638  [  OK  ] Reached target Local File Systems.

 2742 18:29:28.136121           Starting Create Volatile Files and Directories...

 2743 18:29:28.149273           Starting Rule-based Manage…for Device Events and Files...

 2744 18:29:28.240213  [  OK  ] Started Rule-based Manager for Device Events and Files.

 2745 18:29:28.253750           Starting Network Service...

 2746 18:29:28.276522  [  OK  ] Finished Create Volatile Files and Directories.

 2747 18:29:28.288021           Starting Network Time Synchronization...

 2748 18:29:28.301959           Starting Update UTMP about System Boot/Shutdown...

 2749 18:29:28.350994  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 2750 18:29:28.465664  [  OK  ] Found device Sunrise Point-LP Serial IO UART Controller.

 2751 18:29:28.484213  [  OK  ] Created slice system-systemd\x2dbacklight.slice.

 2752 18:29:28.507812           Starting Load/Save Screen …f backlight:intel_backlight...

 2753 18:29:28.550218  [  OK  ] Started Network Service.

 2754 18:29:28.582280  [  OK  ] Started Network Time Synchronization.

 2755 18:29:28.593993  [  OK  ] Finished Load/Save Screen … of backlight:intel_backlight.

 2756 18:29:28.682090  [  OK  ] Reached target System Time Set.

 2757 18:29:28.694716  [  OK  ] Reached target System Time Synchronized.

 2758 18:29:28.704711  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 2759 18:29:28.715844           Starting Load/Save Screen …eds:chromeos::kbd_backlight...

 2760 18:29:28.748916           Starting Network Name Resolution...

 2761 18:29:28.799578  [  OK  ] Finished Load/Save Screen … leds:chromeos::kbd_backlight.

 2762 18:29:28.812083  [  OK  ] Reached target System Initialization.

 2763 18:29:28.823411  [  OK  ] Started Daily apt download activities.

 2764 18:29:28.834347  [  OK  ] Started Daily apt upgrade and clean activities.

 2765 18:29:28.844750  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 2766 18:29:28.857768  [  OK  ] Started Discard unused blocks once a week.

 2767 18:29:28.868104  [  OK  ] Started Daily Cleanup of Temporary Directories.

 2768 18:29:28.874163  [  OK  ] Reached target Timers.

 2769 18:29:28.884399  [  OK  ] Listening on D-Bus System Message Bus Socket.

 2770 18:29:28.891079  [  OK  ] Reached target Sockets.

 2771 18:29:28.897482  [  OK  ] Reached target Basic System.

 2772 18:29:28.905148  [  OK  ] Started D-Bus System Message Bus.

 2773 18:29:28.936157           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 2774 18:29:28.952565           Starting User Login Management...

 2775 18:29:29.008977  [  OK  ] Started Network Name Resolution.

 2776 18:29:29.023631  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 2777 18:29:29.033867  [  OK  ] Reached target Network.

 2778 18:29:29.048001  [  OK  ] Reached target Host and Network Name Lookups.

 2779 18:29:29.055400           Starting Permit User Sessions...

 2780 18:29:29.063187  [  OK  ] Started User Login Management.

 2781 18:29:29.074859  [  OK  ] Finished Permit User Sessions.

 2782 18:29:29.087870  [  OK  ] Started Getty on tty1.

 2783 18:29:29.097501  [  OK  ] Started Serial Getty on ttyS0.

 2784 18:29:29.107849  [  OK  ] Reached target Login Prompts.

 2785 18:29:29.121093  [  OK  ] Reached target Multi-User System.

 2786 18:29:29.130841  [  OK  ] Reached target Graphical Interface.

 2787 18:29:29.142942           Starting Update UTMP about System Runlevel Changes...

 2788 18:29:29.181910  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 2789 18:29:29.205773  

 2790 18:29:29.205900  

 2791 18:29:29.208646  Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0

 2792 18:29:29.208752  

 2793 18:29:29.215222  debian-bullseye-amd64 login: root (automatic login)

 2794 18:29:29.215325  

 2795 18:29:29.215416  

 2796 18:29:29.349447  Linux debian-bullseye-amd64 5.10.185-cip35 #1 SMP Wed Jun 21 18:22:30 UTC 2023 x86_64

 2797 18:29:29.349607  

 2798 18:29:29.356080  The programs included with the Debian GNU/Linux system are free software;

 2799 18:29:29.362332  the exact distribution terms for each program are described in the

 2800 18:29:29.369317  individual files in /usr/share/doc/*/copyright.

 2801 18:29:29.369417  

 2802 18:29:29.375802  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 2803 18:29:29.379030  permitted by applicable law.

 2804 18:29:29.696360  Matched prompt #10: / #
 2806 18:29:29.696713  Kernel warnings or errors detected.
 2807 18:29:29.696783  Setting prompt string to ['/ #']
 2808 18:29:29.696899  end: 2.2.5.1 login-action (duration 00:00:15) [common]
 2810 18:29:29.697130  end: 2.2.5 auto-login-action (duration 00:00:17) [common]
 2811 18:29:29.697218  start: 2.2.6 expect-shell-connection (timeout 00:04:14) [common]
 2812 18:29:29.697289  Setting prompt string to ['/ #']
 2813 18:29:29.697348  Forcing a shell prompt, looking for ['/ #']
 2815 18:29:29.747562  / # 

 2816 18:29:29.747696  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 2817 18:29:29.747808  Waiting using forced prompt support (timeout 00:02:30)
 2818 18:29:29.753539  

 2819 18:29:29.753810  end: 2.2.6 expect-shell-connection (duration 00:00:00) [common]
 2820 18:29:29.753952  start: 2.2.7 export-device-env (timeout 00:04:14) [common]
 2822 18:29:29.854259  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10848609/extract-nfsrootfs-_wkzmi8k'

 2823 18:29:29.859500  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10848609/extract-nfsrootfs-_wkzmi8k'

 2825 18:29:29.960011  / # export NFS_SERVER_IP='192.168.201.1'

 2826 18:29:29.965264  export NFS_SERVER_IP='192.168.201.1'

 2827 18:29:29.965572  end: 2.2.7 export-device-env (duration 00:00:00) [common]
 2828 18:29:29.965672  end: 2.2 depthcharge-retry (duration 00:00:46) [common]
 2829 18:29:29.965765  end: 2 depthcharge-action (duration 00:00:46) [common]
 2830 18:29:29.965876  start: 3 lava-test-retry (timeout 00:08:42) [common]
 2831 18:29:29.966014  start: 3.1 lava-test-shell (timeout 00:08:42) [common]
 2832 18:29:29.966085  Using namespace: common
 2834 18:29:30.066423  / # #

 2835 18:29:30.066566  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 2836 18:29:30.072229  #

 2837 18:29:30.072493  Using /lava-10848609
 2839 18:29:30.172807  / # export SHELL=/bin/bash

 2840 18:29:30.177971  export SHELL=/bin/bash

 2842 18:29:30.278530  / # . /lava-10848609/environment

 2843 18:29:30.283720  . /lava-10848609/environment

 2845 18:29:30.389771  / # /lava-10848609/bin/lava-test-runner /lava-10848609/0

 2846 18:29:30.389921  Test shell timeout: 10s (minimum of the action and connection timeout)
 2847 18:29:30.395259  /lava-10848609/bin/lava-test-runner /lava-10848609/0

 2848 18:29:30.580199  + export TESTRUN_ID=0_timesync-off

 2849 18:29:30.580364  + TESTRUN_ID=0_timesync-off

 2850 18:29:30.586578  + cd /lava-10848609/0/tests/0_timesync-off

 2851 18:29:30.586682  ++ cat uuid

 2852 18:29:30.590182  + UUID=10848609_1.5.2.3.1

 2853 18:29:30.590285  + set +x

 2854 18:29:30.596697  <LAVA_SIGNAL_STARTRUN 0_timesync-off 10848609_1.5.2.3.1>

 2855 18:29:30.596974  Received signal: <STARTRUN> 0_timesync-off 10848609_1.5.2.3.1
 2856 18:29:30.597072  Starting test lava.0_timesync-off (10848609_1.5.2.3.1)
 2857 18:29:30.597192  Skipping test definition patterns.
 2858 18:29:30.599836  + systemctl stop systemd-timesyncd

 2859 18:29:30.618550  <6>[   22.114685] systemd-timesyn (246) used greatest stack depth: 12608 bytes left

 2860 18:29:30.621952  + set +x

 2861 18:29:30.624988  <LAVA_SIGNAL_ENDRUN 0_timesync-off 10848609_1.5.2.3.1>

 2862 18:29:30.625260  Received signal: <ENDRUN> 0_timesync-off 10848609_1.5.2.3.1
 2863 18:29:30.625367  Ending use of test pattern.
 2864 18:29:30.625455  Ending test lava.0_timesync-off (10848609_1.5.2.3.1), duration 0.03
 2866 18:29:30.661715  + export TESTRUN_ID=1_kselftest-lkdtm

 2867 18:29:30.665156  + TESTRUN_ID=1_kselftest-lkdtm

 2868 18:29:30.668135  + cd /lava-10848609/0/tests/1_kselftest-lkdtm

 2869 18:29:30.668234  ++ cat uuid

 2870 18:29:30.671895  + UUID=10848609_1.5.2.3.5

 2871 18:29:30.671966  + set +x

 2872 18:29:30.678249  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 10848609_1.5.2.3.5>

 2873 18:29:30.678527  Received signal: <STARTRUN> 1_kselftest-lkdtm 10848609_1.5.2.3.5
 2874 18:29:30.678625  Starting test lava.1_kselftest-lkdtm (10848609_1.5.2.3.5)
 2875 18:29:30.678741  Skipping test definition patterns.
 2876 18:29:30.681510  + cd ./automated/linux/kselftest/

 2877 18:29:30.717645  + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-289-g3c0549540706/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1

 2878 18:29:30.721492  INFO: install_deps skipped

 2879 18:29:30.744732  --2023-06-21 18:29:15--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-289-g3c0549540706/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz

 2880 18:29:30.751310  Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82

 2881 18:29:30.863920  Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected.

 2882 18:29:30.993680  HTTP request sent, awaiting response... 200 OK

 2883 18:29:30.997167  Length: 3560564 (3.4M) [application/octet-stream]

 2884 18:29:31.000400  Saving to: 'kselftest.tar.xz'

 2885 18:29:31.000480  

 2886 18:29:31.000544  

 2887 18:29:31.254605  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               

 2888 18:29:31.514992  kselftest.tar.xz      1%[                    ]  50.15K   193KB/s               

 2889 18:29:31.783002  kselftest.tar.xz      6%[>                   ] 219.84K   423KB/s               

 2890 18:29:32.047276  kselftest.tar.xz     20%[===>                ] 716.17K   909KB/s               

 2891 18:29:32.299080  kselftest.tar.xz     49%[========>           ]   1.67M  1.59MB/s               

 2892 18:29:32.559194  kselftest.tar.xz     73%[=============>      ]   2.51M  1.92MB/s               

 2893 18:29:32.696759  kselftest.tar.xz     89%[================>   ]   3.05M  1.95MB/s               

 2894 18:29:32.703694  kselftest.tar.xz    100%[===================>]   3.40M  2.00MB/s    in 1.7s    

 2895 18:29:32.703810  

 2896 18:29:32.744163  2023-06-21 18:29:17 (2.00 MB/s) - 'kselftest.tar.xz' saved [3560564/3560564]

 2897 18:29:32.744317  

 2898 18:29:35.180514  skiplist:

 2899 18:29:35.184126  ========================================

 2900 18:29:35.187228  ========================================

 2901 18:29:35.200090  lkdtm:PANIC.sh

 2902 18:29:35.200191  lkdtm:BUG.sh

 2903 18:29:35.203662  lkdtm:WARNING.sh

 2904 18:29:35.206442  lkdtm:WARNING_MESSAGE.sh

 2905 18:29:35.206522  lkdtm:EXCEPTION.sh

 2906 18:29:35.210313  lkdtm:LOOP.sh

 2907 18:29:35.210433  lkdtm:EXHAUST_STACK.sh

 2908 18:29:35.213159  lkdtm:CORRUPT_STACK.sh

 2909 18:29:35.216717  lkdtm:CORRUPT_STACK_STRONG.sh

 2910 18:29:35.219802  lkdtm:CORRUPT_LIST_ADD.sh

 2911 18:29:35.223176  lkdtm:CORRUPT_LIST_DEL.sh

 2912 18:29:35.226554  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2913 18:29:35.229488  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2914 18:29:35.229562  lkdtm:UNSET_SMEP.sh

 2915 18:29:35.233307  lkdtm:DOUBLE_FAULT.sh

 2916 18:29:35.236434  lkdtm:CORRUPT_PAC.sh

 2917 18:29:35.239530  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2918 18:29:35.242781  lkdtm:OVERWRITE_ALLOCATION.sh

 2919 18:29:35.242857  lkdtm:WRITE_AFTER_FREE.sh

 2920 18:29:35.246692  lkdtm:READ_AFTER_FREE.sh

 2921 18:29:35.249954  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2922 18:29:35.252929  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2923 18:29:35.255890  lkdtm:SLAB_FREE_DOUBLE.sh

 2924 18:29:35.259793  lkdtm:SLAB_FREE_CROSS.sh

 2925 18:29:35.259882  lkdtm:SLAB_FREE_PAGE.sh

 2926 18:29:35.262907  lkdtm:SOFTLOCKUP.sh

 2927 18:29:35.266049  lkdtm:HARDLOCKUP.sh

 2928 18:29:35.266119  lkdtm:SPINLOCKUP.sh

 2929 18:29:35.269286  lkdtm:HUNG_TASK.sh

 2930 18:29:35.269359  lkdtm:EXEC_DATA.sh

 2931 18:29:35.272353  lkdtm:EXEC_STACK.sh

 2932 18:29:35.276187  lkdtm:EXEC_KMALLOC.sh

 2933 18:29:35.276266  lkdtm:EXEC_VMALLOC.sh

 2934 18:29:35.279492  lkdtm:EXEC_RODATA.sh

 2935 18:29:35.282568  lkdtm:EXEC_USERSPACE.sh

 2936 18:29:35.282678  lkdtm:EXEC_NULL.sh

 2937 18:29:35.285646  lkdtm:ACCESS_USERSPACE.sh

 2938 18:29:35.288761  lkdtm:ACCESS_NULL.sh

 2939 18:29:35.288843  lkdtm:WRITE_RO.sh

 2940 18:29:35.292484  lkdtm:WRITE_RO_AFTER_INIT.sh

 2941 18:29:35.295537  lkdtm:WRITE_KERN.sh

 2942 18:29:35.298861  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 2943 18:29:35.302543  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 2944 18:29:35.305691  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 2945 18:29:35.308738  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 2946 18:29:35.312446  lkdtm:REFCOUNT_DEC_ZERO.sh

 2947 18:29:35.315392  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 2948 18:29:35.319012  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 2949 18:29:35.322183  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 2950 18:29:35.325424  lkdtm:REFCOUNT_INC_ZERO.sh

 2951 18:29:35.328379  lkdtm:REFCOUNT_ADD_ZERO.sh

 2952 18:29:35.331946  lkdtm:REFCOUNT_INC_SATURATED.sh

 2953 18:29:35.334995  lkdtm:REFCOUNT_DEC_SATURATED.sh

 2954 18:29:35.338297  lkdtm:REFCOUNT_ADD_SATURATED.sh

 2955 18:29:35.342069  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 2956 18:29:35.345170  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 2957 18:29:35.351486  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 2958 18:29:35.354730  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 2959 18:29:35.358398  lkdtm:REFCOUNT_TIMING.sh

 2960 18:29:35.358483  lkdtm:ATOMIC_TIMING.sh

 2961 18:29:35.361359  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 2962 18:29:35.364961  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 2963 18:29:35.368034  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 2964 18:29:35.378024  lkdtm:USERCOPY_HEAP_WHITELIST<6>[   26.876541] grep (470) used greatest stack depth: 12528 bytes left

 2965 18:29:35.381262  _FROM.sh

 2966 18:29:35.384459  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 2967 18:29:35.387627  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 2968 18:29:35.391444  lkdtm:USERCOPY_STACK_BEYOND.sh

 2969 18:29:35.394721  lkdtm:USERCOPY_KERNEL.sh

 2970 18:29:35.394825  lkdtm:STACKLEAK_ERASING.sh

 2971 18:29:35.397730  lkdtm:CFI_FORWARD_PROTO.sh

 2972 18:29:35.404207  ============== Tests to run ===============

 2973 18:29:35.404311  lkdtm:PANIC.sh

 2974 18:29:35.404380  lkdtm:BUG.sh

 2975 18:29:35.407900  lkdtm:WARNING.sh

 2976 18:29:35.410851  lkdtm:WARNING_MESSAGE.sh

 2977 18:29:35.410932  lkdtm:EXCEPTION.sh

 2978 18:29:35.414188  lkdtm:LOOP.sh

 2979 18:29:35.414268  lkdtm:EXHAUST_STACK.sh

 2980 18:29:35.417565  lkdtm:CORRUPT_STACK.sh

 2981 18:29:35.420700  lkdtm:CORRUPT_STACK_STRONG.sh

 2982 18:29:35.424030  lkdtm:CORRUPT_LIST_ADD.sh

 2983 18:29:35.427519  lkdtm:CORRUPT_LIST_DEL.sh

 2984 18:29:35.430561  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2985 18:29:35.434302  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2986 18:29:35.434388  lkdtm:UNSET_SMEP.sh

 2987 18:29:35.437411  lkdtm:DOUBLE_FAULT.sh

 2988 18:29:35.440307  lkdtm:CORRUPT_PAC.sh

 2989 18:29:35.443868  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2990 18:29:35.447057  lkdtm:OVERWRITE_ALLOCATION.sh

 2991 18:29:35.450547  lkdtm:WRITE_AFTER_FREE.sh

 2992 18:29:35.450636  lkdtm:READ_AFTER_FREE.sh

 2993 18:29:35.453659  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2994 18:29:35.457045  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2995 18:29:35.460254  lkdtm:SLAB_FREE_DOUBLE.sh

 2996 18:29:35.464024  lkdtm:SLAB_FREE_CROSS.sh

 2997 18:29:35.464110  lkdtm:SLAB_FREE_PAGE.sh

 2998 18:29:35.467057  lkdtm:SOFTLOCKUP.sh

 2999 18:29:35.470437  lkdtm:HARDLOCKUP.sh

 3000 18:29:35.470528  lkdtm:SPINLOCKUP.sh

 3001 18:29:35.473443  lkdtm:HUNG_TASK.sh

 3002 18:29:35.476711  lkdtm:EXEC_DATA.sh

 3003 18:29:35.476860  lkdtm:EXEC_STACK.sh

 3004 18:29:35.480456  lkdtm:EXEC_KMALLOC.sh

 3005 18:29:35.480540  lkdtm:EXEC_VMALLOC.sh

 3006 18:29:35.483754  lkdtm:EXEC_RODATA.sh

 3007 18:29:35.486929  lkdtm:EXEC_USERSPACE.sh

 3008 18:29:35.487015  lkdtm:EXEC_NULL.sh

 3009 18:29:35.490133  lkdtm:ACCESS_USERSPACE.sh

 3010 18:29:35.493323  lkdtm:ACCESS_NULL.sh

 3011 18:29:35.493418  lkdtm:WRITE_RO.sh

 3012 18:29:35.496378  lkdtm:WRITE_RO_AFTER_INIT.sh

 3013 18:29:35.499717  lkdtm:WRITE_KERN.sh

 3014 18:29:35.503217  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 3015 18:29:35.510128  lkdtm:REFC<12>[   27.006552] kselftest: Running tests in lkdtm

 3016 18:29:35.510214  OUNT_ADD_OVERFLOW.sh

 3017 18:29:35.516310  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3018 18:29:35.519317  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3019 18:29:35.523356  lkdtm:REFCOUNT_DEC_ZERO.sh

 3020 18:29:35.526596  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 3021 18:29:35.529885  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3022 18:29:35.533039  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 3023 18:29:35.535909  lkdtm:REFCOUNT_INC_ZERO.sh

 3024 18:29:35.539548  lkdtm:REFCOUNT_ADD_ZERO.sh

 3025 18:29:35.542636  lkdtm:REFCOUNT_INC_SATURATED.sh

 3026 18:29:35.546231  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3027 18:29:35.549315  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3028 18:29:35.552939  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3029 18:29:35.555983  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3030 18:29:35.559114  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3031 18:29:35.566044  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3032 18:29:35.566159  lkdtm:REFCOUNT_TIMING.sh

 3033 18:29:35.569228  lkdtm:ATOMIC_TIMING.sh

 3034 18:29:35.572409  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3035 18:29:35.575444  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3036 18:29:35.578852  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3037 18:29:35.582127  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3038 18:29:35.585776  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3039 18:29:35.588914  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3040 18:29:35.592104  lkdtm:USERCOPY_STACK_BEYOND.sh

 3041 18:29:35.595292  lkdtm:USERCOPY_KERNEL.sh

 3042 18:29:35.598620  lkdtm:STACKLEAK_ERASING.sh

 3043 18:29:35.602219  lkdtm:CFI_FORWARD_PROTO.sh

 3044 18:29:35.605472  ===========End Tests to run ===============

 3045 18:29:35.605565  TAP version 13

 3046 18:29:35.608701  1..70

 3047 18:29:35.612392  # selftests: lkdtm: PANIC.sh

 3048 18:29:35.615444  # Skipping PANIC: crashes entire system

 3049 18:29:35.618551  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 3050 18:29:35.621572  # selftests: lkdtm: BUG.sh

 3051 18:29:35.665232  <6>[   27.164907] lkdtm: Performing direct entry BUG

 3052 18:29:35.671664  <4>[   27.170260] ------------[ cut here ]------------

 3053 18:29:35.678717  <2>[   27.175750] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3054 18:29:35.681811  <4>[   27.181919] invalid opcode: 0000 [#1] SMP PTI

 3055 18:29:35.691396  <4>[   27.187082] CPU: 1 PID: 634 Comm: cat Tainted: G        W         5.10.185-cip35 #1

 3056 18:29:35.698502  <4>[   27.195924] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3057 18:29:35.701575  <4>[   27.203022] RIP: 0010:lkdtm_BUG+0x5/0x10

 3058 18:29:35.724669  <4>[   27.207695] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 3059 18:29:35.731693  <4>[   27.228957] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 3060 18:29:35.737963  <4>[   27.235083] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 3061 18:29:35.747469  <4>[   27.243357] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 3062 18:29:35.754630  <4>[   27.251619] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 3063 18:29:35.764262  <4>[   27.259878] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3064 18:29:35.771188  <4>[   27.268137] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 3065 18:29:35.780729  <4>[   27.276398] FS:  00007f7b5b97e580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000

 3066 18:29:35.787071  <4>[   27.285717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3067 18:29:35.797185  <4>[   27.292423] CR2: 00007f7b5b788000 CR3: 00000001035e4001 CR4: 00000000003706e0

 3068 18:29:35.800647  <4>[   27.300684] Call Trace:

 3069 18:29:35.803600  <4>[   27.303695]  ? __die_body.cold+0x1a/0x1f

 3070 18:29:35.807439  <4>[   27.308371]  ? die+0x2b/0x50

 3071 18:29:35.810538  <4>[   27.311880]  ? do_trap+0x91/0x110

 3072 18:29:35.813840  <4>[   27.315868]  ? lkdtm_BUG+0x5/0x10

 3073 18:29:35.820693  <4>[   27.319858]  ? do_error_trap+0x90/0x110

 3074 18:29:35.823696  <4>[   27.324428]  ? lkdtm_BUG+0x5/0x10

 3075 18:29:35.826782  <4>[   27.328417]  ? lkdtm_BUG+0x5/0x10

 3076 18:29:35.834104  <4>[   27.332405]  ? exc_invalid_op+0x4e/0x70

 3077 18:29:35.837157  <4>[   27.336976]  ? lkdtm_BUG+0x5/0x10

 3078 18:29:35.840213  <4>[   27.340957]  ? asm_exc_invalid_op+0x12/0x20

 3079 18:29:35.847069  <4>[   27.345919]  ? direct_entry+0xe0/0xe0

 3080 18:29:35.850247  <4>[   27.350298]  ? lkdtm_BUG+0x5/0x10

 3081 18:29:35.853371  <4>[   27.354286]  direct_entry.cold+0x2c/0x38

 3082 18:29:35.859974  <4>[   27.358955]  full_proxy_write+0x53/0x80

 3083 18:29:35.863299  <4>[   27.363529]  vfs_write+0xe7/0x3b0

 3084 18:29:35.866952  <4>[   27.367519]  ksys_write+0x68/0xf0

 3085 18:29:35.870221  <4>[   27.371509]  do_syscall_64+0x30/0x40

 3086 18:29:35.876496  <4>[   27.375788]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3087 18:29:35.879826  <4>[   27.381719] RIP: 0033:0x7f7b5b894473

 3088 18:29:35.902923  <4>[   27.385990] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3089 18:29:35.913039  <4>[   27.407263] RSP: 002b:00007ffc0e9518e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3090 18:29:35.919653  <4>[   27.416009] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7b5b894473

 3091 18:29:35.929532  <4>[   27.424269] RDX: 0000000000000004 RSI: 00007f7b5b788000 RDI: 0000000000000001

 3092 18:29:35.936361  <4>[   27.432528] RBP: 00007f7b5b788000 R08: 00007f7b5b787010 R09: 0000000000000000

 3093 18:29:35.946116  <4>[   27.440788] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3094 18:29:35.952214  <4>[   27.449048] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3095 18:29:36.004963  <4>[   27.457312] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3096 18:29:36.012245  <0>[   27.511999] gsmi: Log Shutdown Reason 0x03

 3097 18:29:36.019109  <4>[   27.516877] ---[ end trace c8f77ca8824754b1 ]---

 3098 18:29:36.021906  <4>[   27.522362] RIP: 0010:lkdtm_BUG+0x5/0x10

 3099 18:29:36.045306  <4>[   27.527037] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 3100 18:29:36.048564  <4>[   27.548360] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 3101 18:29:36.058126  <4>[   27.554492] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 3102 18:29:36.065219  <4>[   27.562786] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 3103 18:29:36.074967  <4>[   27.571085] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 3104 18:29:36.084571  <4>[   27.579392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3105 18:29:36.090888  <4>[   27.587655] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 3106 18:29:36.101051  <4>[   27.595949] FS:  00007f7b5b97e580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000

 3107 18:29:36.107329  <4>[   27.605311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3108 18:29:36.117187  <4>[   27.612050] CR2: 00007f7b5b788000 CR3: 00000001035e4001 CR4: 00000000003706e0

 3109 18:29:36.117322  # Segmentation fault

 3110 18:29:36.134209  # [   27.164907] lkdtm: Performing direct entry BUG

 3111 18:29:36.140583  # [   27.170260] ------------[ cut here ]------------

 3112 18:29:36.147658  # [   27.175750] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3113 18:29:36.150546  # [   27.181919] invalid opcode: 0000 [#1] SMP PTI

 3114 18:29:36.160168  # [   27.187082] CPU: 1 PID: 634 Comm: cat Tainted: G        W         5.10.185-cip35 #1

 3115 18:29:36.166847  # [   27.195924] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3116 18:29:36.170218  # [   27.203022] RIP: 0010:lkdtm_BUG+0x5/0x10

 3117 18:29:36.193154  # [   27.207695] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 <6>[   27.689400] lkdtm: Performing direct entry WARNING

 3118 18:29:36.197000  00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 3119 18:29:36.206548  # [   27.228957] RSP:<4>[   27.698354] ------------[ cut here ]------------

 3120 18:29:36.210161   0018:ffffac1c01327e60 EFLAGS: 00010282

 3121 18:29:36.219649  # [   27.235083] RAX: f<4>[   27.709987] WARNING: CPU: 0 PID: 671 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3122 18:29:36.226255  fffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 3123 18:29:36.279083  # [<4>[   27.725940] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3124 18:29:36.295859     27.243357] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: f<4>[   27.784904] CPU: 0 PID: 671 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 3125 18:29:36.296002  fffffff8557e8d0

 3126 18:29:36.308695  # [   27.251619] RBP: ffffffff85a5d470 R08: 000<4>[   27.799980] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3127 18:29:36.312331  0000000000001 R09: 0000000000000001

 3128 18:29:36.318860  # [   27.259878] R10: 00000<4>[   27.813284] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3129 18:29:36.325685  000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3130 18:29:36.348584  # [   2<4>[   27.824676] 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 10 51 e9 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 f1 50

 3131 18:29:36.358803  7.268137] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff9<4>[   27.852145] RSP: 0018:ffffac1c012a7e60 EFLAGS: 00010202

 3132 18:29:36.361861  7bcc6f45000

 3133 18:29:36.375144  # [   27.276398] FS:  00007f7b5b97e580(0000) GS:fff<4>[   27.864563] RAX: ffffffff84579a90 RBX: 0000000000000002 RCX: 0000000000000000

 3134 18:29:36.378411  f97bd3ac80000(0000) knlGS:0000000000000000

 3135 18:29:36.388291  # [   27.285717] CS:<4>[   27.878979] RDX: 0000000000000000 RSI: ffff97bd3ac1bf70 RDI: ffffffff8557e8e0

 3136 18:29:36.395379    0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3137 18:29:36.404754  # [   27.292423]<4>[   27.893522] RBP: ffffffff859f8d77 R08: 0000000000000000 R09: 0000000000000000

 3138 18:29:36.418018   CR2: 00007f7b5b788000 CR3: 00000001035e4001 CR4: 00000000003706<4>[   27.907942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3139 18:29:36.418124  e0

 3140 18:29:36.421278  # [   27.300684] Call Trace:

 3141 18:29:36.431061  # [   27.303695]  ? __die_body<4>[   27.922419] R13: ffffac1c012a7f10 R14: ffffac1c012a7f10 R15: ffff97bcc35a8000

 3142 18:29:36.434742  .cold+0x1a/0x1f

 3143 18:29:36.437796  # [   27.308371]  ? die+0x2b/0x50

 3144 18:29:36.447320  # [   27.311<4>[   27.936909] FS:  00007f0d246c5580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 3145 18:29:36.451125  880]  ? do_trap+0x91/0x110

 3146 18:29:36.460897  # [   27.315868]  ? lkdtm_BUG+0x5/0x<4>[   27.952451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3147 18:29:36.460991  10

 3148 18:29:36.463907  # [   27.319858]  ? do_error_trap+0x90/0x110

 3149 18:29:36.474279  # [   27.32442<4>[   27.965403] CR2: 00007f0d244cf000 CR3: 0000000103272002 CR4: 00000000003706f0

 3150 18:29:36.477343  8]  ? lkdtm_BUG+0x5/0x10

 3151 18:29:36.484119  # [   27.328417]  ? lkdtm_BUG+0x5/0x10<4>[   27.979880] Call Trace:

 3152 18:29:36.484210  

 3153 18:29:36.490510  # [   27.332405]  ? exc_invalid_op+0x4e/0x70

 3154 18:29:36.493704  # [   27.336976]<4>[   27.989126]  ? __warn+0x80/0x110

 3155 18:29:36.497105    ? lkdtm_BUG+0x5/0x10

 3156 18:29:36.506822  # [   27.340957]  ? asm_exc_invalid_op+0<4>[   27.999253]  ? lkdtm_WARNING+0x13/0x20

 3157 18:29:36.506917  x12/0x20

 3158 18:29:36.510573  # [   27.345919]  ? direct_entry+0xe0/0xe0

 3159 18:29:36.517002  # [   27.3<4>[   28.009943]  ? report_bug+0x9e/0xc0

 3160 18:29:36.520354  50298]  ? lkdtm_BUG+0x5/0x10

 3161 18:29:36.526524  # [   27.354286]  direct_entry.col<4>[   28.020346]  ? handle_bug+0x41/0x90

 3162 18:29:36.526627  d+0x2c/0x38

 3163 18:29:36.533591  # [   27.358955]  full_proxy_write+0x53/0x80

 3164 18:29:36.536754  # [  <4>[   28.030724]  ? exc_invalid_op+0x14/0x70

 3165 18:29:36.540126   27.363529]  vfs_write+0xe7/0x3b0

 3166 18:29:36.546213  # [   27.367519]  ksys_write+<4>[   28.041534]  ? asm_exc_invalid_op+0x12/0x20

 3167 18:29:36.549902  0x68/0xf0

 3168 18:29:36.553015  # [   27.371509]  do_syscall_64+0x30/0x40

 3169 18:29:36.559319  # [   27.3<4>[   28.052716]  ? lkdtm_BUG+0x10/0x10

 3170 18:29:36.563169  75788]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3171 18:29:36.569429  # [   27.38171<4>[   28.063044]  ? lkdtm_WARNING+0x13/0x20

 3172 18:29:36.572621  9] RIP: 0033:0x7f7b5b894473

 3173 18:29:36.579822  # [   27.385990] Code: 8b 15 21 2a <4>[   28.073757]  direct_entry.cold+0x2c/0x38

 3174 18:29:36.589288  0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 0<4>[   28.084643]  full_proxy_write+0x53/0x80

 3175 18:29:36.602495  4 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 <4>[   28.095443]  vfs_write+0xe7/0x3b0

 3176 18:29:36.605616  ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3177 18:29:36.612490  # [   27.<4>[   28.105645]  ksys_write+0x68/0xf0

 3178 18:29:36.622040  407263] RSP: 002b:00007ffc0e9518e8 EFLAGS: 00000246 ORIG_RAX: 00<4>[   28.115850]  do_syscall_64+0x30/0x40

 3179 18:29:36.622139  00000000000001

 3180 18:29:36.635415  # [   27.416009] RAX: ffffffffffffffda RBX: 0000<4>[   28.126354]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3181 18:29:36.638407  000000000004 RCX: 00007f7b5b894473

 3182 18:29:36.645685  # [   27.424269] RDX: 000000<4>[   28.138520] RIP: 0033:0x7f0d245db473

 3183 18:29:36.648825  0000000004 RSI: 00007f7b5b788000 RDI: 0000000000000001

 3184 18:29:36.671747  # [   27<4>[   28.148982] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3185 18:29:36.688061  .432528] RBP: 00007f7b5b788000 R08: 00007f7b5b787010 R09: 000000<4>[   28.176516] RSP: 002b:00007fff238f9198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3186 18:29:36.688173  0000000000

 3187 18:29:36.700937  # [   27.440788] R10: fffffffffffffbc5 R11: 00000000<4>[   28.191464] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f0d245db473

 3188 18:29:36.704137  00000246 R12: 0000000000000001

 3189 18:29:36.714432  # [   27.449048] R13: 0000000000<4>[   28.205981] RDX: 0000000000000008 RSI: 00007f0d244cf000 RDI: 0000000000000001

 3190 18:29:36.720685  000001 R14: 0000000000020000 R15: 0000000000020000

 3191 18:29:36.730523  # [   27.457<4>[   28.220446] RBP: 00007f0d244cf000 R08: 00007f0d244ce010 R09: 0000000000000000

 3192 18:29:36.743655  312] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec<4>[   28.234949] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3193 18:29:36.760212  _sensors cros_ec_sensors_core industrialio_triggered_buffer kfif<4>[   28.249456] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3194 18:29:36.770369  o_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhu<4>[   28.263917] irq event stamp: 0

 3195 18:29:36.783308  b cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar v<4>[   28.273854] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3196 18:29:36.800151  ideobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev c<4>[   28.287362] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3197 18:29:36.812692  ros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_t<4>[   28.302992] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3198 18:29:36.826099  hermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c<4>[   28.318637] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3199 18:29:36.839396   i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backligh<4>[   28.332167] ---[ end trace c8f77ca8824754b2 ]---

 3200 18:29:36.839555  t coreboot_table

 3201 18:29:36.845944  # [   27.511999] gsmi: Log Shutdown Reason 0x03

 3202 18:29:36.852236  # [   27.516877] ---[ end trace c8f77ca8824754b1 ]---

 3203 18:29:36.855565  # [   27.522362] RIP: 0010:lkdtm_BUG+0x5/0x10

 3204 18:29:36.875923  # [   27.527037] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 3205 18:29:36.882151  # [   27.548360] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 3206 18:29:36.891741  # [   27.554492] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 3207 18:29:36.898626  # [   27.562786] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 3208 18:29:36.908314  # [   27.571085] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 3209 18:29:36.921624  # [   27.579392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0<6>[   28.414729] lkdtm: Performing direct entry WARNING_MESSAGE

 3210 18:29:36.924830  <4>[   28.424910] ------------[ cut here ]------------

 3211 18:29:36.927904  000000000000004

 3212 18:29:36.937978  # [   27.587655] R13: ffffac1c01327f10 R14: fff<4>[   28.430382] Warning message trigger count: 2

 3213 18:29:36.941635  fac1c01327f10 R15: ffff97bcc6f45000

 3214 18:29:36.954632  # [   27.595949] FS:  00007<4>[   28.441684] WARNING: CPU: 2 PID: 706 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3215 18:29:37.013637  f7b5b97e580(0000) GS:ffff97bd3ac80000(0000) knlGS:00000000000000<4>[   28.458409] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3216 18:29:37.020431  <4>[   28.517417] CPU: 2 PID: 706 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 3217 18:29:37.030571  <4>[   28.526294] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3218 18:29:37.033735  <4>[   28.533409] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3219 18:29:37.056481  <4>[   28.539377] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 f1 50 e9 02 48 c7 c7 d8 92 9f 85 8d 70 01 89 35 e1 50 e9 02 e8 07 9c 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3220 18:29:37.063049  <4>[   28.560682] RSP: 0018:ffffac1c0141fe60 EFLAGS: 00010286

 3221 18:29:37.069501  <4>[   28.566812] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3222 18:29:37.079523  <4>[   28.575077] RDX: ffff97bd3ad2c660 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 3223 18:29:37.086023  <4>[   28.583366] RBP: ffffffff859f8d7f R08: 0000000000000000 R09: 0000000000000000

 3224 18:29:37.096146  <4>[   28.591632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3225 18:29:37.102672  <4>[   28.599895] R13: ffffac1c0141ff10 R14: ffffac1c0141ff10 R15: ffff97bcc2dbb000

 3226 18:29:37.112491  <4>[   28.608162] FS:  00007fd3f8317580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 3227 18:29:37.119337  <4>[   28.617523] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3228 18:29:37.128568  <4>[   28.624234] CR2: 00007fd3f8121000 CR3: 00000001030d8006 CR4: 00000000003706e0

 3229 18:29:37.132254  <4>[   28.632498] Call Trace:

 3230 18:29:37.135414  <4>[   28.635523]  ? __warn+0x80/0x110

 3231 18:29:37.139023  <4>[   28.639448]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3232 18:29:37.145235  <4>[   28.644704]  ? report_bug+0x9e/0xc0

 3233 18:29:37.148439  <4>[   28.648922]  ? handle_bug+0x41/0x90

 3234 18:29:37.151645  <4>[   28.653141]  ? exc_invalid_op+0x14/0x70

 3235 18:29:37.158481  <4>[   28.657717]  ? asm_exc_invalid_op+0x12/0x20

 3236 18:29:37.165109  <4>[   28.662685]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3237 18:29:37.168260  <4>[   28.667972]  direct_entry.cold+0x2c/0x38

 3238 18:29:37.171255  <4>[   28.672679]  full_proxy_write+0x53/0x80

 3239 18:29:37.178018  <4>[   28.677285]  vfs_write+0xe7/0x3b0

 3240 18:29:37.181207  <4>[   28.681280]  ksys_write+0x68/0xf0

 3241 18:29:37.184348  <4>[   28.685304]  do_syscall_64+0x30/0x40

 3242 18:29:37.191240  <4>[   28.689589]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3243 18:29:37.194374  <4>[   28.695525] RIP: 0033:0x7fd3f822d473

 3244 18:29:37.217840  <4>[   28.699808] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3245 18:29:37.224224  <4>[   28.721085] RSP: 002b:00007fff43958eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3246 18:29:37.233998  <4>[   28.729838] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd3f822d473

 3247 18:29:37.240870  <4>[   28.738104] RDX: 0000000000000010 RSI: 00007fd3f8121000 RDI: 0000000000000001

 3248 18:29:37.250476  <4>[   28.746367] RBP: 00007fd3f8121000 R08: 00007fd3f8120010 R09: 0000000000000000

 3249 18:29:37.257639  <4>[   28.754631] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3250 18:29:37.266892  <4>[   28.762895] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3251 18:29:37.270417  <4>[   28.771165] irq event stamp: 0

 3252 18:29:37.277132  <4>[   28.774896] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3253 18:29:37.287214  <4>[   28.782190] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3254 18:29:37.296547  <4>[   28.791623] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3255 18:29:37.303278  <4>[   28.801074] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3256 18:29:37.303370  00

 3257 18:29:37.316353  # [   27.605311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080<4>[   28.808370] ---[ end trace c8f77ca8824754b3 ]---

 3258 18:29:37.316443  050033

 3259 18:29:37.323183  # [   27.612050] CR2: 00007f7b5b788000 CR3: 00000001035e4001 CR4: 00000000003706e0

 3260 18:29:37.326149  # BUG: saw 'kernel BUG at': ok

 3261 18:29:37.329385  ok 2 selftests: lkdtm: BUG.sh

 3262 18:29:37.332684  # selftests: lkdtm: WARNING.sh

 3263 18:29:37.339780  # [   27.689400] lkdtm: Performing direct entry WARNING

 3264 18:29:37.345978  # [   27.698354] ------------[ cut here ]------------

 3265 18:29:37.352436  # [   27.709987] WARNING: CPU: 0 PID: 671 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3266 18:29:37.408768  # [   27.725940] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_ps<6>[   28.901661] lkdtm: Performing direct entry EXCEPTION

 3267 18:29:37.415390  <1>[   28.912924] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3268 18:29:37.421597  <1>[   28.920988] #PF: supervisor write access in kernel mode

 3269 18:29:37.428580  <1>[   28.927110] #PF: error_code(0x0002) - not-present page

 3270 18:29:37.431609  <6>[   28.933136] PGD 0 P4D 0 

 3271 18:29:37.434769  <4>[   28.936251] Oops: 0002 [#2] SMP PTI

 3272 18:29:37.445273  <4>[   28.940433] CPU: 3 PID: 738 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 3273 18:29:37.451379  <4>[   28.949276] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3274 18:29:37.458582  <4>[   28.956375] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3275 18:29:37.478249  <4>[   28.961626] Code: 48 c7 c7 d8 92 9f 85 8d 70 01 89 35 e1 50 e9 02 e8 07 9c 64 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <c7> 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84

 3276 18:29:37.484291  <4>[   28.982898] RSP: 0018:ffffac1c01497e60 EFLAGS: 00010282

 3277 18:29:37.491284  <4>[   28.989023] RAX: ffffffff84579ae0 RBX: 0000000000000004 RCX: 0000000000000000

 3278 18:29:37.501416  <4>[   28.997284] RDX: 0000000000000000 RSI: ffff97bd3ad9bf70 RDI: ffffffff8557e900

 3279 18:29:37.507687  <4>[   29.005544] RBP: ffffffff858ed267 R08: 0000000000000000 R09: 0000000000000000

 3280 18:29:37.517615  <4>[   29.013804] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3281 18:29:37.523931  <4>[   29.022065] R13: ffffac1c01497f10 R14: ffffac1c01497f10 R15: ffff97bcc2b2e000

 3282 18:29:37.533813  <4>[   29.030328] FS:  00007f890c17b580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 3283 18:29:37.540923  <4>[   29.039657] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3284 18:29:37.550351  <4>[   29.046363] CR2: 0000000000000000 CR3: 000000010325c001 CR4: 00000000003706e0

 3285 18:29:37.553836  <4>[   29.054624] Call Trace:

 3286 18:29:37.557117  <4>[   29.057643]  ? __die_body.cold+0x1a/0x1f

 3287 18:29:37.560123  <4>[   29.062312]  ? no_context+0x177/0x380

 3288 18:29:37.567267  <4>[   29.066691]  ? exc_page_fault+0x53/0x170

 3289 18:29:37.570299  <4>[   29.071361]  ? asm_exc_page_fault+0x1e/0x30

 3290 18:29:37.577206  <4>[   29.076324]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3291 18:29:37.580615  <4>[   29.081577]  ? lkdtm_EXCEPTION+0x5/0x20

 3292 18:29:37.586836  <4>[   29.086149]  direct_entry.cold+0x2c/0x38

 3293 18:29:37.590509  <4>[   29.090819]  full_proxy_write+0x53/0x80

 3294 18:29:37.593515  <4>[   29.095404]  vfs_write+0xe7/0x3b0

 3295 18:29:37.600261  <4>[   29.099426]  ksys_write+0x68/0xf0

 3296 18:29:37.603147  <4>[   29.103416]  do_syscall_64+0x30/0x40

 3297 18:29:37.609875  <4>[   29.107694]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3298 18:29:37.613517  <4>[   29.113625] RIP: 0033:0x7f890c091473

 3299 18:29:37.633094  <4>[   29.117904] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3300 18:29:37.642711  <4>[   29.139180] RSP: 002b:00007ffd4b9bf958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3301 18:29:37.653005  <4>[   29.147928] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f890c091473

 3302 18:29:37.659188  <4>[   29.156189] RDX: 000000000000000a RSI: 00007f890bf85000 RDI: 0000000000000001

 3303 18:29:37.669204  <4>[   29.164448] RBP: 00007f890bf85000 R08: 00007f890bf84010 R09: 0000000000000000

 3304 18:29:37.676096  <4>[   29.172708] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3305 18:29:37.685594  <4>[   29.180969] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3306 18:29:37.688910  tore cros_kbd_led_backlight coreboot_table

 3307 18:29:37.744992  # [   27.784904] CPU<4>[   29.189231] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3308 18:29:37.748445  <4>[   29.248224] CR2: 0000000000000000

 3309 18:29:37.752011  <4>[   29.252211] ---[ end trace c8f77ca8824754b4 ]---

 3310 18:29:37.758464  <4>[   29.257657] RIP: 0010:lkdtm_BUG+0x5/0x10

 3311 18:29:37.778309  <4>[   29.262314] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 3312 18:29:37.784500  <4>[   29.283588] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 3313 18:29:37.794678  <4>[   29.289712] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 3314 18:29:37.800993  <4>[   29.297971] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 3315 18:29:37.810940  <4>[   29.306232] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 3316 18:29:37.817616  <4>[   29.314493] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3317 18:29:37.827929  <4>[   29.322754] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 3318 18:29:37.834228  <4>[   29.331013] FS:  00007f890c17b580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 3319 18:29:37.840557  <4>[   29.340357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3320 18:29:37.850671  <4>[   29.347064] CR2: 0000000000000000 CR3: 000000010325c001 CR4: 00000000003706e0

 3321 18:29:37.860987  <3>[   29.355325] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3322 18:29:37.870481  <3>[   29.365528] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 738, name: cat

 3323 18:29:37.873706  <4>[   29.374175] INFO: lockdep is turned off.

 3324 18:29:37.877163  <4>[   29.378843] irq event stamp: 0

 3325 18:29:37.883752  <4>[   29.382539] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3326 18:29:37.893189  <4>[   29.389830] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3327 18:29:37.903237  <4>[   29.399256] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3328 18:29:37.910255  <4>[   29.408680] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3329 18:29:37.919924  <4>[   29.415970] CPU: 3 PID: 738 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 3330 18:29:37.926615  <4>[   29.424813] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3331 18:29:37.929698  <4>[   29.431908] Call Trace:

 3332 18:29:37.932785  <4>[   29.434927]  dump_stack+0x77/0x9b

 3333 18:29:37.939535  <4>[   29.438916]  ___might_sleep.cold+0xa6/0xb6

 3334 18:29:37.942693  <4>[   29.443771]  exit_signals+0x1c/0x300

 3335 18:29:37.945931  <4>[   29.448042]  do_exit+0xc2/0xab0

 3336 18:29:37.952935  <4>[   29.451836]  ? ksys_write+0x68/0xf0

 3337 18:29:37.955902  <4>[   29.456019]  make_task_dead+0x2f/0x30

 3338 18:29:37.962845  <4>[   29.460404]  rewind_stack_and_make_dead+0x17/0x20

 3339 18:29:37.966593  <4>[   29.465949] RIP: 0033:0x7f890c091473

 3340 18:29:37.985943  <4>[   29.470227] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3341 18:29:37.996139  <4>[   29.491501] RSP: 002b:00007ffd4b9bf958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3342 18:29:38.002631  <4>[   29.500248] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f890c091473

 3343 18:29:38.012265  <4>[   29.508509] RDX: 000000000000000a RSI: 00007f890bf85000 RDI: 0000000000000001

 3344 18:29:38.018808  <4>[   29.516771] RBP: 00007f890bf85000 R08: 00007f890bf84010 R09: 0000000000000000

 3345 18:29:38.028790  <4>[   29.525053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3346 18:29:38.035520  <4>[   29.533317] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3347 18:29:38.045314  : 0 PID: 671 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 3348 18:29:38.051933  # [   27.799980] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3349 18:29:38.055050  # [   27.813284] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3350 18:29:38.078062  # [   27.824676] 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 10 51 e9 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 f1 50

 3351 18:29:38.081253  # [   27.852145] RSP: 0018:ffffac1c012a7e60 EFLAGS: 00010202

 3352 18:29:38.091239  # [   27.864563] RAX: ffffffff84579a90 RBX: 0000000000000002 RCX: 0000000000000000

 3353 18:29:38.097748  # [   27.878979] RDX: 0000000000000000 RSI: ffff97bd3ac1bf70 RDI: ffffffff8557e8e0

 3354 18:29:38.108332  # [   27.893522] RBP: ffffffff859f8d77 R08: 0000000000000000 R09: 0000000000000000

 3355 18:29:38.114522  # [   27.907942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3356 18:29:38.124182  # [   27.922419] R13: ffffac1c012a7f10 R14: ffffac1c012a7f10 R15: ffff97bcc35a8000

 3357 18:29:38.134290  # [   27.936909] FS:  00007f0d246c5580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 3358 18:29:38.140838  # [   27.952451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3359 18:29:38.147445  # [   27.965403] CR2: 00007f0d244cf000 CR3: 0000000103272002 CR4: 00000000003706f0

 3360 18:29:38.150567  # [   27.979880] Call Trace:

 3361 18:29:38.153751  # [   27.989126]  ? __warn+0x80/0x110

 3362 18:29:38.156949  # [   27.999253]  ? lkdtm_WARNING+0x13/0x20

 3363 18:29:38.163944  # [   28.009943]  ? report_bug+0x9e/0xc0

 3364 18:29:38.167115  # [   28.020346]  ? handle_bug+0x41/0x90

 3365 18:29:38.170232  # [   28.030724]  ? exc_invalid_op+0x14/0x70

 3366 18:29:38.176919  # [   28.041534]  ? asm_exc_invalid_op+0x12/0x20

 3367 18:29:38.180592  # [   28.052716]  ? lkdtm_BUG+0x10/0x10

 3368 18:29:38.183851  # [   28.063044]  ? lkdtm_WARNING+0x13/0x20

 3369 18:29:38.190084  # [   28.073757]  direct_entry.cold+0x2c/0x38

 3370 18:29:38.193235  # [   28.084643]  full_proxy_write+0x53/0x80

 3371 18:29:38.197043  # [   28.095443]  vfs_write+0xe7/0x3b0

 3372 18:29:38.200113  # [   28.105645]  ksys_write+0x68/0xf0

 3373 18:29:38.206783  # [   28.115850]  do_syscall_64+0x30/0x40

 3374 18:29:38.209974  # [   28.126354]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3375 18:29:38.216862  # [   28.138520] RIP: 0033:0x7f0d245db473

 3376 18:29:38.236669  # [   28.148982] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3377 18:29:38.246148  # [   28.176516] RSP: 002b:00007fff238f9198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3378 18:29:38.252923  # [   28.191464] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f0d245db473

 3379 18:29:38.259637  # [   28.<6>[   29.754480] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3380 18:29:38.266065  <6>[   29.765660] lkdtm: attempting good list addition

 3381 18:29:38.272390  <6>[   29.771139] lkdtm: attempting corrupted list addition

 3382 18:29:38.278753  <3>[   29.777069] lkdtm: list_add() corruption not detected!

 3383 18:29:38.285424  205981] RDX: 0000000000000008 RSI: 00007f0d244cf000 RDI: 0000000000000001

 3384 18:29:38.292046  # [   28.220446] RBP: 00007f0d244cf000 R08: 00007f0d244ce010 R09: 0000000000000000

 3385 18:29:38.302300  # [   28.234949] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3386 18:29:38.309018  # [   28.249456] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3387 18:29:38.315458  # [   28.263917] irq event stamp: 0

 3388 18:29:38.322266  # [   28.273854] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3389 18:29:38.331846  # [   28.287362] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3390 18:29:38.338741  # [   28.302992] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3391 18:29:38.348440  # [   28.318637] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3392 18:29:38.351379  # [   28.332167] ---[ end trace c8f77ca8824754b2 ]---

 3393 18:29:38.354931  # WARNING: saw 'WARNING:': ok

 3394 18:29:38.357917  ok 3 selftests: lkdtm: WARNING.sh

 3395 18:29:38.364502  # selft<6>[   29.858775] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3396 18:29:38.371431  <6>[   29.870437] lkdtm: attempting good list removal

 3397 18:29:38.377591  <6>[   29.875792] lkdtm: attempting corrupted list removal

 3398 18:29:38.384681  <3>[   29.881663] lkdtm: list_del() corruption not detected!

 3399 18:29:38.387842  ests: lkdtm: WARNING_MESSAGE.sh

 3400 18:29:38.390811  # [   28.414729] lkdtm: Performing direct entry WARNING_MESSAGE

 3401 18:29:38.397568  # [   28.424910] ------------[ cut here ]------------

 3402 18:29:38.404470  # [   28.430382] Warning message trigger count: 2

 3403 18:29:38.414066  # [   28.441684] WARNING: CPU: 2 PID: 706 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3404 18:29:38.463289  # [   28.458409] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_<6>[   29.958916] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3405 18:29:38.473058  <6>[   29.969708] lkdtm: attempting bad read from page below current stack

 3406 18:29:38.483531  <0>[   29.977156] BUG: stack guard page was hit at 000000004f816ed2 (stack is 000000004d88fb09..00000000170c7c93)

 3407 18:29:38.496559  i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backl<4>[   29.988342] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3408 18:29:38.506079  <4>[   30.001649] CPU: 3 PID: 963 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 3409 18:29:38.513055  <4>[   30.010493] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3410 18:29:38.519406  <4>[   30.017590] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3411 18:29:38.542890  <4>[   30.024410] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 96 9f 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 9d de fb ff 48 c7 c7 b8 96 9f 85 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 83 de fb ff 0f 1f 44

 3412 18:29:38.546016  <4>[   30.045684] RSP: 0018:ffffac1c017ffe50 EFLAGS: 00010246

 3413 18:29:38.555621  <4>[   30.051810] RAX: 0000000000000038 RBX: ffffac1c017fc000 RCX: 0000000000000000

 3414 18:29:38.562102  <4>[   30.060071] RDX: 0000000000000000 RSI: ffff97bd3ad9bf70 RDI: ffffffff859f96b8

 3415 18:29:38.572370  <4>[   30.068350] RBP: ffffffff859f8de2 R08: 0000000000000000 R09: 0000000000000000

 3416 18:29:38.578417  <4>[   30.076612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3417 18:29:38.588773  <4>[   30.084874] R13: ffffac1c017fff10 R14: ffffac1c017fff10 R15: ffff97bcc30b3000

 3418 18:29:38.598281  <4>[   30.093135] FS:  00007f590ecf0580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 3419 18:29:38.605253  <4>[   30.102464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3420 18:29:38.611503  <4>[   30.109172] CR2: ffffac1c017fbfff CR3: 00000001030bc003 CR4: 00000000003706e0

 3421 18:29:38.614460  <4>[   30.117433] Call Trace:

 3422 18:29:38.618401  <4>[   30.120451]  <#DF>

 3423 18:29:38.624590  <4>[   30.122984]  ? __die_body.cold+0x1a/0x1f

 3424 18:29:38.627799  <4>[   30.127653]  ? die+0x2b/0x50

 3425 18:29:38.630988  <4>[   30.131157]  ? handle_stack_overflow+0x3e/0x4d

 3426 18:29:38.634746  <4>[   30.136418]  ? no_context+0x24d/0x380

 3427 18:29:38.637820  <4>[   30.140794]  </#DF>

 3428 18:29:38.640879  ig<ht coreboot_table

 3429 18:29:38.696789  # [   28.517417] CPU: 2 PID: 706 Comm: cat 4>[   30.143422] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3430 18:29:38.703688  <4>[   30.202422] ---[ end trace c8f77ca8824754b5 ]---

 3431 18:29:38.706869  <4>[   30.207870] RIP: 0010:lkdtm_BUG+0x5/0x10

 3432 18:29:38.730098  <4>[   30.212537] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 3433 18:29:38.736538  <4>[   30.233812] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 3434 18:29:38.743196  <4>[   30.239937] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 3435 18:29:38.752878  <4>[   30.248197] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 3436 18:29:38.759634  <4>[   30.256458] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 3437 18:29:38.769291  <4>[   30.264717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3438 18:29:38.776329  <4>[   30.272976] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 3439 18:29:38.785698  <4>[   30.281238] FS:  00007f590ecf0580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 3440 18:29:38.792594  <4>[   30.290567] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3441 18:29:38.802320  <4>[   30.297274] CR2: ffffac1c017fbfff CR3: 00000001030bc003 CR4: 00000000003706e0

 3442 18:29:38.806015  Tainted: G      D W         5.10.185-cip35 #1

 3443 18:29:38.812367  # [   28.526294] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3444 18:29:38.818703  # [   28.533409] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3445 18:29:38.838976  # [   28.539377] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 f1 50 e9 02 48 c7 c7 d8 92 9f 85 8d 70 01 89 35 e1 50 e9 02 e8 07 9c 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3446 18:29:38.845246  # [   28.560682] RSP: 0018:ffffac1c0141fe60 EFLAGS: 00010286

 3447 18:29:38.854937  # [   28.566812] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3448 18:29:38.861772  # [   28.575077] RDX: ffff97bd3ad2c660 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 3449 18:29:38.868229  # [   28.583366] RBP: ffffffff859f8d7f R08: 0000000000000000 R09: 0000000000000000

 3450 18:29:38.878288  # [   28.591632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3451 18:29:38.887826  # [   28.599895] R13: ffffac1c0141ff1<6>[   30.381444] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3452 18:29:38.897698  <6>[   30.393764] lkdtm: attempting bad read from page above current stack

 3453 18:29:38.907718  <0>[   30.401191] BUG: stack guard page was hit at 00000000f1f65dba (stack is 0000000071e6848a..0000000003e5a119)

 3454 18:29:38.910619  0 R14: ffffac1c0141ff10 R15: ffff97bcc2dbb000

 3455 18:29:38.920773  # [   28.608162] <4>[   30.412393] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3456 18:29:38.930683  <4>[   30.425700] CPU: 3 PID: 996 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 3457 18:29:38.937144  <4>[   30.434536] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3458 18:29:38.943835  <4>[   30.441634] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3459 18:29:38.963461  <4>[   30.448536] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 f0 96 9f 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 63 de fb ff 48 c7 c7 30 97 9f 85 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 46 de fb ff

 3460 18:29:38.970251  <4>[   30.469812] RSP: 0018:ffffac1c0189fe50 EFLAGS: 00010246

 3461 18:29:38.979969  <4>[   30.475928] RAX: 0000000000000038 RBX: ffffac1c0189c000 RCX: 0000000000000000

 3462 18:29:38.987051  <4>[   30.484189] RDX: 0000000000000000 RSI: ffff97bd3ad9bf70 RDI: ffffffff859f9730

 3463 18:29:38.996581  <4>[   30.492449] RBP: ffffffff859f8dfb R08: 0000000000000000 R09: 0000000000000000

 3464 18:29:39.003289  <4>[   30.500710] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3465 18:29:39.013413  <4>[   30.508971] R13: ffffac1c0189ff10 R14: ffffac1c0189ff10 R15: ffff97bcc3272000

 3466 18:29:39.023170  <4>[   30.517232] FS:  00007f2f4fcf0580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 3467 18:29:39.029467  <4>[   30.526561] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3468 18:29:39.036054  <4>[   30.533267] CR2: ffffac1c018a0000 CR3: 000000010347e006 CR4: 00000000003706e0

 3469 18:29:39.039182  <4>[   30.541528] Call Trace:

 3470 18:29:39.042511  <4>[   30.544543]  <#DF>

 3471 18:29:39.045731  <4>[   30.547077]  ? __die_body.cold+0x1a/0x1f

 3472 18:29:39.049341  <4>[   30.551745]  ? die+0x2b/0x50

 3473 18:29:39.055893  <4>[   30.555248]  ? handle_stack_overflow+0x3e/0x4d

 3474 18:29:39.059176  <4>[   30.560500]  ? no_context+0x24d/0x380

 3475 18:29:39.062188  <4>[   30.564875]  </#DF>

 3476 18:29:39.121975  FS<:  00007fd3f8317580(0000) GS:ffff97bd3ad00000(0000) knlGS:00004>[   30.567502] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3477 18:29:39.128503  <4>[   30.626502] ---[ end trace c8f77ca8824754b6 ]---

 3478 18:29:39.131523  <4>[   30.631949] RIP: 0010:lkdtm_BUG+0x5/0x10

 3479 18:29:39.151314  <4>[   30.636617] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 3480 18:29:39.158049  <4>[   30.657891] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 3481 18:29:39.168029  <4>[   30.664006] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 3482 18:29:39.174856  <4>[   30.672268] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 3483 18:29:39.184678  <4>[   30.680528] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 3484 18:29:39.191119  <4>[   30.688788] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3485 18:29:39.201222  <4>[   30.697049] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 3486 18:29:39.211067  <4>[   30.705309] FS:  00007f2f4fcf0580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 3487 18:29:39.217800  <4>[   30.714638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3488 18:29:39.224299  <4>[   30.721357] CR2: ffffac1c018a0000 CR3: 000000010347e006 CR4: 00000000003706e0

 3489 18:29:39.233828  <3>[   30.729618] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3490 18:29:39.244106  <3>[   30.739821] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 996, name: cat

 3491 18:29:39.247515  <4>[   30.748469] INFO: lockdep is turned off.

 3492 18:29:39.250390  <4>[   30.753136] irq event stamp: 0

 3493 18:29:39.260385  <4>[   30.756833] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3494 18:29:39.270271  <4>[   30.764113] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3495 18:29:39.277222  <4>[   30.773540] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3496 18:29:39.287054  <4>[   30.782965] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3497 18:29:39.293437  <4>[   30.790255] CPU: 3 PID: 996 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 3498 18:29:39.299939  <4>[   30.799098] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3499 18:29:39.303613  <4>[   30.806192] Call Trace:

 3500 18:29:39.309892  <4>[   30.809210]  dump_stack+0x77/0x9b

 3501 18:29:39.313621  <4>[   30.813191]  ___might_sleep.cold+0xa6/0xb6

 3502 18:29:39.316819  <4>[   30.818055]  exit_signals+0x1c/0x300

 3503 18:29:39.320097  <4>[   30.822356]  do_exit+0xc2/0xab0

 3504 18:29:39.326408  <4>[   30.826152]  ? ksys_write+0x68/0xf0

 3505 18:29:39.329567  <4>[   30.830359]  make_task_dead+0x2f/0x30

 3506 18:29:39.336439  <4>[   30.834736]  rewind_stack_and_make_dead+0x17/0x20

 3507 18:29:39.339912  <4>[   30.840269] RIP: 0033:0x7f2f4fc06473

 3508 18:29:39.362623  <4>[   30.844547] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3509 18:29:39.369623  <4>[   30.865820] RSP: 002b:00007ffd6f7b0368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3510 18:29:39.379737  <4>[   30.874567] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f2f4fc06473

 3511 18:29:39.385879  <4>[   30.882828] RDX: 000000000000001a RSI: 00007f2f4fafa000 RDI: 0000000000000001

 3512 18:29:39.395611  <4>[   30.891087] RBP: 00007f2f4fafa000 R08: 00007f2f4faf9010 R09: 0000000000000000

 3513 18:29:39.402036  <4>[   30.899357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3514 18:29:39.412157  <4>[   30.907618] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3515 18:29:39.412271  000000000000

 3516 18:29:39.418468  # [   28.617523] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3517 18:29:39.428494  # [   28.624234] CR2: 00007fd3f8121000 CR3: 00000001030d8006 CR4: 00000000003706e0

 3518 18:29:39.428602  # [   28.632498] Call Trace:

 3519 18:29:39.435391  # [   28.635523]  ? __warn+0x80/0x110

 3520 18:29:39.438874  # [   28.639448]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3521 18:29:39.441846  # [   28.644704]  ? report_bug+0x9e/0xc0

 3522 18:29:39.448539  # [   28.648922]  ? handle_bug+0x41/0x90

 3523 18:29:39.452136  # [   28.653141]  ? exc_invalid_op+0x14/0x70

 3524 18:29:39.458459  # [   28.657717]  ? asm_exc_invalid_op+0x12/0x20

 3525 18:29:39.461484  # [   28.662685]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3526 18:29:39.465100  # [   28.667972]  direct_entry.cold+0x2c/0x38

 3527 18:29:39.471520  # [   28.672679]  full_proxy_write+0x53/0x80

 3528 18:29:39.474379  # [   28.677285]  vfs_write+0xe7/0x3b0

 3529 18:29:39.478114  # [   28.681280]  ksys_write+0x68/0xf0

 3530 18:29:39.481121  # [   28.685304]  do_syscall_64+0x30/0x40

 3531 18:29:39.488053  # [   28.689589]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3532 18:29:39.494546  # [   28.695525] RIP: 0033:0x7fd3f822d473

 3533 18:29:39.511155  # [   28.699808] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c<6>[   31.005674] lkdtm: Performing direct entry UNSET_SMEP

 3534 18:29:39.514292  <6>[   31.015080] lkdtm: trying to clear SMEP normally

 3535 18:29:39.520681  <4>[   31.020545] ------------[ cut here ]------------

 3536 18:29:39.527624  <4>[   31.026004] pinned CR4 bits changed: 0x100000!?

 3537 18:29:39.537241  <4>[   31.031408] WARNING: CPU: 3 PID: 1032 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60

 3538 18:29:39.596762  0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f <4>[   31.041933] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3539 18:29:39.606733  <4>[   31.100889] CPU: 3 PID: 1032 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 3540 18:29:39.613124  <4>[   31.109834] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3541 18:29:39.616717  <4>[   31.116936] RIP: 0010:native_write_cr4+0x45/0x60

 3542 18:29:39.639559  <4>[   31.122415] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f0 33 46 02 00 75 f2 48 c7 c7 28 73 8f 85 c6 05 e0 33 46 02 01 e8 a2 10 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3543 18:29:39.645920  <4>[   31.143694] RSP: 0018:ffffac1c0191fe48 EFLAGS: 00010286

 3544 18:29:39.653036  <4>[   31.149823] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000

 3545 18:29:39.662690  <4>[   31.158086] RDX: ffff97bd3adac660 RSI: ffff97bd3ad9bf70 RDI: ffff97bd3ad9bf70

 3546 18:29:39.665664  40 00 48 83 ec 28 48 89 54 24 18

 3547 18:29:39.675728  # [   28.721085] RSP: 002b:000<4>[   31.166365] RBP: ffffffff859f8e15 R08: 0000000000000000 R09: 0000000000000000

 3548 18:29:39.685923  <4>[   31.180842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3549 18:29:39.689129  07fff43958eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3550 18:29:39.698612  # [  <4>[   31.189110] R13: ffffac1c0191ff10 R14: ffffac1c0191ff10 R15: ffff97bcc5f7c000

 3551 18:29:39.708618  <4>[   31.203586] FS:  00007f1265170580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 3552 18:29:39.715336  <4>[   31.212918] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3553 18:29:39.721557  <4>[   31.219629] CR2: 00007f1264f7a000 CR3: 00000001030b0006 CR4: 00000000003706e0

 3554 18:29:39.725225  <4>[   31.227892] Call Trace:

 3555 18:29:39.731572  <4>[   31.230918]  ? __warn+0x80/0x110

 3556 18:29:39.734800  <4>[   31.234842]  ? native_write_cr4+0x45/0x60

 3557 18:29:39.737873  <4>[   31.239613]  ? report_bug+0x9e/0xc0

 3558 18:29:39.744742  <4>[   31.243820]  ? handle_bug+0x41/0x90

 3559 18:29:39.748150  <4>[   31.248006]  ? exc_invalid_op+0x14/0x70

 3560 18:29:39.751263  <4>[   31.252580]  ? asm_exc_invalid_op+0x12/0x20

 3561 18:29:39.757792  <4>[   31.257550]  ? native_write_cr4+0x45/0x60

 3562 18:29:39.767440   28.729838] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000<4>[   31.262363]  ? native_write_cr4+0x45/0x60

 3563 18:29:39.771220  07fd3f822d473

 3564 18:29:39.780574  # [   28.738104] RDX: 0000000000000010 RSI: 00007<4>[   31.273369]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3565 18:29:39.784218  fd3f8121000 RDI: 0000000000000001

 3566 18:29:39.790980  # [   28.746367] RBP: 00007fd<4>[   31.284743]  direct_entry.cold+0x2c/0x38

 3567 18:29:39.797767  3f8121000 R08: 00007fd3f8120010 R09: 0000000000000000

 3568 18:29:39.800706  # [   28.<4>[   31.295636]  full_proxy_write+0x53/0x80

 3569 18:29:39.810735  754631] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000<4>[   31.306423]  vfs_write+0xe7/0x3b0

 3570 18:29:39.813884  000000001

 3571 18:29:39.820446  # [   28.762895] R13: 0000000000000001 R14: 000000000<4>[   31.316633]  ksys_write+0x68/0xf0

 3572 18:29:39.824288  0020000 R15: 0000000000020000

 3573 18:29:39.833566  # [   28.771165] irq event stamp:<4>[   31.326841]  do_syscall_64+0x30/0x40

 3574 18:29:39.833651   0

 3575 18:29:39.843570  # [   28.774896] hardirqs last  enabled at (0): [<0000000000<4>[   31.337338]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3576 18:29:39.846795  000000>] 0x0

 3577 18:29:39.856992  # [   28.782190] hardirqs last disabled at (0): [<<4>[   31.349485] RIP: 0033:0x7f1265086473

 3578 18:29:39.860278  ffffffff83afd844>] copy_process+0x664/0x1c60

 3579 18:29:39.883075  # [   28.791623] s<4>[   31.359984] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3580 18:29:39.896287  oftirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+<4>[   31.387473] RSP: 002b:00007fffd30e2a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3581 18:29:39.899505  0x664/0x1c60

 3582 18:29:39.912410  # [   28.801074] softirqs last disabled at (0): [<<4>[   31.402443] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f1265086473

 3583 18:29:39.916029  0000000000000000>] 0x0

 3584 18:29:39.925820  # [   28.808370] ---[ end trace c8f77ca8<4>[   31.416922] RDX: 000000000000000b RSI: 00007f1264f7a000 RDI: 0000000000000001

 3585 18:29:39.929212  824754b3 ]---

 3586 18:29:39.932431  # WARNING_MESSAGE: saw 'message trigger': ok

 3587 18:29:39.942485  ok <4>[   31.431404] RBP: 00007f1264f7a000 R08: 00007f1264f79010 R09: 0000000000000000

 3588 18:29:39.948713  <4>[   31.445881] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3589 18:29:39.952493  4 selftests: lkdtm: WARNING_MESSAGE.sh

 3590 18:29:39.965271  # selftests: lkdtm: EXCE<4>[   31.454148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3591 18:29:39.965354  PTION.sh

 3592 18:29:39.965427  # Killed

 3593 18:29:39.975394  # [   28.901661] lkdtm: Performing direct en<4>[   31.468629] irq event stamp: 0

 3594 18:29:39.975474  try EXCEPTION

 3595 18:29:39.988118  # [   28.912924] BUG: kernel NULL pointer derefer<4>[   31.478542] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3596 18:29:39.991857  ence, address: 0000000000000000

 3597 18:29:40.001747  # [   28.920988] #PF: superviso<4>[   31.492053] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3598 18:29:40.004782  r write access in kernel mode

 3599 18:29:40.017992  # [   28.927110] #PF: error_code(<4>[   31.507702] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3600 18:29:40.024914  <4>[   31.523345] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3601 18:29:40.027964  0x0002) - not-present page

 3602 18:29:40.030957  # [   28.933136] PGD 0 P4D 0 

 3603 18:29:40.038174  # [  <4>[   31.530642] ---[ end trace c8f77ca8824754b7 ]---

 3604 18:29:40.041378   28.936251] Oops: 0002 [#2] SMP PTI

 3605 18:29:40.047669  # [   28.940433] CPU: 3 PID<6>[   31.542302] lkdtm: ok: SMEP did not get cleared

 3606 18:29:40.054447  : 738 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 3607 18:29:40.060782  #<6>[   31.553869] lkdtm: trying to clear SMEP with call gadget

 3608 18:29:40.067273  <6>[   31.566309] lkdtm: ok: SMEP removal was reverted

 3609 18:29:40.074297   [   28.949276] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3610 18:29:40.080660  # [   28.956375] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3611 18:29:40.100772  # [   28.961626] Code: 48 c7 c7 d8 92 9f 85 8d 70 01 89 35 e1 50 e9 02 e8 07 9c 64 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <c7> 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84

 3612 18:29:40.106980  # [   28.982898] RSP: 0018:ffffac1c01497e60 EFLAGS: 00010282

 3613 18:29:40.113456  # [   28.989023] RAX: ffffffff84579ae0 RBX: 0000000000000004 RCX: 0000000000000000

 3614 18:29:40.123556  # [   28.997284] RDX: 0000000000000000 RSI: ffff97bd3ad9bf70 RDI: ffffffff8557e900

 3615 18:29:40.130404  # [   29.005544] RBP: ffffffff858ed267 R08: 0000000000000000 R09: 0000000000000000

 3616 18:29:40.139875  # [   29.013804] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3617 18:29:40.146829  # [   29.022065] R13: ffffac<6>[   31.645077] lkdtm: Performing direct entry DOUBLE_FAULT

 3618 18:29:40.153197  1c01497f10 R14: ffffac1c01497f10 R15: ffff97bcc2b2e000

 3619 18:29:40.159966  # [   29<3>[   31.652505] lkdtm: XFAIL: this test is ia32-only

 3620 18:29:40.166341  .030328] FS:  00007f890c17b580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 3621 18:29:40.173276  # [   29.039657] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3622 18:29:40.182940  # [   29.046363] CR2: 0000000000000000 CR3: 000000010325c001 CR4: 00000000003706e0

 3623 18:29:40.186221  # [   29.054624] Call Trace:

 3624 18:29:40.189521  # [   29.057643]  ? __die_body.cold+0x1a/0x1f

 3625 18:29:40.193374  # [   29.062312]  ? no_context+0x177/0x380

 3626 18:29:40.199724  # [   29.066691]  ? exc_page_fault+0x53/0x170

 3627 18:29:40.202904  # [   29.071361]  ? asm_exc_page_fault+0x1e/0x30

 3628 18:29:40.209391  # [   29.076324]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3629 18:29:40.212644  # [   29.081577]  ? lkdtm_EXCEPTION+0x5/0x20

 3630 18:29:40.219259  # [   29.086149]  direct_entry.cold+0x2c/0x38

 3631 18:29:40.222961  # [   29.090819]  full_proxy_write+0x53/0x80

 3632 18:29:40.225868  # [   29.095404]  vfs_write+0xe7/0x3b0

 3633 18:29:40.232689  # [   29.099426<6>[   31.731820] lkdtm: Performing direct entry CORRUPT_PAC

 3634 18:29:40.238791  <3>[   31.738562] lkdtm: XFAIL: this test is arm64-only

 3635 18:29:40.242692  ]  ksys_write+0x68/0xf0

 3636 18:29:40.245689  # [   29.103416]  do_syscall_64+0x30/0x40

 3637 18:29:40.252385  # [   29.107694]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3638 18:29:40.255371  # [   29.113625] RIP: 0033:0x7f890c091473

 3639 18:29:40.278698  # [   29.117904] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3640 18:29:40.284877  # [   29.139180] RSP: 002b:00007ffd4b9bf958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3641 18:29:40.295181  # [   29.147928] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f890c091473

 3642 18:29:40.308408  # [   29.156189] RDX: 000000000000000a RSI: 00007f890bf85000 RDI: 000000000000<6>[   31.805094] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3643 18:29:40.308500  0001

 3644 18:29:40.325171  # [   29.164448] RBP: 00007f890bf85000 R08: 00007f890bf840<3>[   31.813794] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3645 18:29:40.325289  10 R09: 0000000000000000

 3646 18:29:40.334666  # [   29.172708] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3647 18:29:40.341159  # [   29.180969] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3648 18:29:40.394106  # [   29.189231] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3649 18:29:40.397332  # [   29.248224] CR2: 0000000000000000

 3650 18:29:40.404232  # [   29.252211] ---[ end trace c8f77ca8824754b4 ]---

 3651 18:29:40.407624  # [   29.257657] RIP: 0010:lkdtm_BUG+0x5/0x10

 3652 18:29:40.430719  # [   29.262314] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 3653 18:29:40.436781  # [   29.283588] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 3654 18:29:40.443394  # [   29.289712] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 3655 18:29:40.453358  # [   29.297971] RDX: 0000000000000000<6>[   31.949311] lkdtm: Performing direct entry READ_AFTER_FREE

 3656 18:29:40.457118   RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 3657 18:29:40.466860  # [   29.306232] R<6>[   31.958603] lkdtm: Value in memory before free: 12345678

 3658 18:29:40.479641  BP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001<6>[   31.971044] lkdtm: Attempting bad read from freed memory

 3659 18:29:40.479752  

 3660 18:29:40.489625  # [   29.314493] R10: 00000000ffffe000 R11: 3fffffffffffffff R<6>[   31.983484] lkdtm: Memory was not poisoned

 3661 18:29:40.492768  12: 0000000000000004

 3662 18:29:40.499888  # [   29.322754] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 3663 18:29:40.509394  # [   29.331013] FS:  00007f890c17b580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 3664 18:29:40.515888  # [   29.340357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3665 18:29:40.522992  # [   29.347064] CR2: 0000000000000000 CR3: 000000010325c001 CR4: 00000000003706e0

 3666 18:29:40.536047  # [   29.355325] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3667 18:29:40.542827  # [   29.365528] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 738, name: cat

 3668 18:29:40.545781  # [   29.374175] INFO: lockdep is turned off.

 3669 18:29:40.552835  # [   29.378843] irq event stamp: 0

 3670 18:29:40.558804  # [   29.382539] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3671 18:29:40.568583  # [   29.389830] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3672 18:29:40.575446  # [   29.399256] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3673 18:29:40.585558  # [   29.408680] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3674 18:29:40.595239  # [   29.415970] CPU: 3 PID: 738 Comm: cat Tainted: G  <6>[   32.091231] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3675 18:29:40.599120      D W         5.10.185-cip35 #1

 3676 18:29:40.608389  # [   29.424813] Hardware nam<6>[   32.101034] lkdtm: Value in memory before free: 12345678

 3677 18:29:40.611659  e: Google Rammus/Rammus, BIOS  09/04/2020

 3678 18:29:40.621938  # [   29.431908] Call<6>[   32.113482] lkdtm: Attempting to read from freed memory

 3679 18:29:40.622084   Trace:

 3680 18:29:40.624972  # [   29.434927]  dump_stack+0x77/0x9b

 3681 18:29:40.631573  # [   29.438916<6>[   32.125833] lkdtm: Buddy page was not poisoned

 3682 18:29:40.634816  ]  ___might_sleep.cold+0xa6/0xb6

 3683 18:29:40.641237  # [   29.443771]  exit_signals+0x1c/0x300

 3684 18:29:40.644961  # [   29.448042]  do_exit+0xc2/0xab0

 3685 18:29:40.647975  # [   29.451836]  ? ksys_write+0x68/0xf0

 3686 18:29:40.651477  # [   29.456019]  make_task_dead+0x2f/0x30

 3687 18:29:40.657928  # [   29.460404]  rewind_stack_and_make_dead+0x17/0x20

 3688 18:29:40.661138  # [   29.465949] RIP: 0033:0x7f890c091473

 3689 18:29:40.684619  # [   29.470227] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3690 18:29:40.691170  # [   29.491501] RSP: 002b:00007ffd4b9bf958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3691 18:29:40.700658  # [   29.500248] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f890c091473

 3692 18:29:40.707598  # [   29.5085<6>[   32.204128] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 3693 18:29:40.720504  09] RDX: 000000000000000a RSI: 00007f890bf85000 RDI: 00000000000<6>[   32.212151] lkdtm: Attempting double slab free ...

 3694 18:29:40.720613  00001

 3695 18:29:40.726987  # [   29.516771] RBP: 00007f890bf85000 R08: 00007f890bf84010 R09: 0000000000000000

 3696 18:29:40.737228  # [   29.525053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3697 18:29:40.743620  # [   29.533317] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3698 18:29:40.747192  # EXCEPTION: saw 'call trace:': ok

 3699 18:29:40.750293  ok 5 selftests: lkdtm: EXCEPTION.sh

 3700 18:29:40.753445  # selftests: lkdtm: LOOP.sh

 3701 18:29:40.757140  # Skipping LOOP: Hangs the system

 3702 18:29:40.760100  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 3703 18:29:40.766764  # selftests: lkdtm: EXHAUST_STACK.sh

 3704 18:29:40.769911  # Skipping EXHAUST_STACK: Corrupts memory on failure

 3705 18:29:40.776551  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 3706 18:29:40.780214  # selftests: lkdtm: CORRUPT_STACK.sh

 3707 18:29:40.783295  # Skipping CORRUPT_STACK: Crashes entire system on success

 3708 18:29:40.792958  ok 8 selftests: lkdtm: CORRUPT_<6>[   32.290953] lkdtm: Performing direct entry SLAB_FREE_CROSS

 3709 18:29:40.796688  STACK.sh # SKIP

 3710 18:29:40.799617  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 3711 18:29:40.806174  # <6>[   32.298822] lkdtm: Attempting cross-cache slab free ...

 3712 18:29:40.812606  Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 3713 18:29:40.819697  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 3714 18:29:40.823143  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 3715 18:29:40.829462  # [   29.754480] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3716 18:29:40.832633  # [   29.765660] lkdtm: attempting good list addition

 3717 18:29:40.839096  # [   29.771139] lkdtm: attempting corrupted list addition

 3718 18:29:40.845418  # [   29.777069] lkdtm: list_add() corruption not detected!

 3719 18:29:40.852517  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]

 3720 18:29:40.855421  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 3721 18:29:40.862534  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 3722 18:29:40.869032  # [   29.858775] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3723 18:29:40.871848  # [   29.870437] lkdtm: attempting good list removal

 3724 18:29:40.881970  # [   29.875792] lkdtm:<6>[   32.378454] lkdtm: Performing direct entry SLAB_FREE_PAGE

 3725 18:29:40.885461   attempting corrupted list removal

 3726 18:29:40.892068  # [   29.881663] lkdtm: list<6>[   32.385830] lkdtm: Attempting non-Slab slab free ...

 3727 18:29:40.895196  _del() corruption not detected!

 3728 18:29:40.901984  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]

 3729 18:29:40.908228  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 3730 18:29:40.911659  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3731 18:29:40.914656  # Segmentation fault

 3732 18:29:40.921554  # [   29.958916] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3733 18:29:40.927856  # [   29.969708] lkdtm: attempting bad read from page below current stack

 3734 18:29:40.941117  # [   29.977156] BUG: stack guard page was hit at 000000004f816ed2 (stack is 000000004d88fb09..00000000170c7c93)

 3735 18:29:40.948210  # [   29.988342] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3736 18:29:40.954417  # [   30.001649] CPU: 3 PID: 963 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 3737 18:29:40.964441  # [   30.010493] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3738 18:29:40.970935  # [   30.017590] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3739 18:29:40.990430  # [   30.024410] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 96 9f 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 9d de fb ff 48 c7 c7 b8 96 9f 85 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 83 de fb ff 0f 1f 44

 3740 18:29:40.997216  # [   30.045684] RSP: 0018:ffffac1c017ffe50 EFLAGS: 00010246

 3741 18:29:41.003984  # [   30.051810] RAX: 0000000000000038 RBX: ffffac1c017fc000 RCX: 0000000000000000

 3742 18:29:41.014187  # [   30.060071] RDX: 0000000000000000 RSI: ffff97bd3ad9bf70 RDI: ffffffff859f96b8

 3743 18:29:41.020256  # [   30.068350] RBP: ffffffff859f8de2 R08: 0000000000000000 R09: 0000000000000000

 3744 18:29:41.030402  # [   30.076612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3745 18:29:41.036670  # [   30.084874] R13: ffffac1c017fff10 R14: ffffac1c017fff10 R15: ffff97bcc30b3000

 3746 18:29:41.046493  # [   30.093135] FS:  00007f590ecf0580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 3747 18:29:41.053357  # [   30.102464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3748 18:29:41.063059  # [   30.109172] CR2: ffffac1c017fbfff CR3: 00000001030bc003 CR4: 00000000003706e0

 3749 18:29:41.063163  # [   30.117433] Call Trace:

 3750 18:29:41.066873  # [   30.120451]  <#DF>

 3751 18:29:41.072767  # [<6>[   32.566139] lkdtm: Performing direct entry EXEC_DATA

 3752 18:29:41.079620  <6>[   32.577720] lkdtm: attempting ok execution at ffffffff84579e50

 3753 18:29:41.086230  <6>[   32.584580] lkdtm: attempting bad execution at ffffffff8740ebe0

 3754 18:29:41.089349     30.122984]  ? __die_body.cold+0x1a/0x1f

 3755 18:29:41.102413  # [   30.127653]  ? <2>[   32.591502] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3756 18:29:41.109407  <1>[   32.606358] BUG: unable to handle page fault for address: ffffffff8740ebe0

 3757 18:29:41.116161  <1>[   32.614328] #PF: supervisor instruction fetch in kernel mode

 3758 18:29:41.122873  <1>[   32.620935] #PF: error_code(0x0011) - permissions violation

 3759 18:29:41.129237  <6>[   32.627448] PGD 41c29067 P4D 41c29067 PUD 41c2a063 PMD 80000000434000e3 

 3760 18:29:41.135946  <4>[   32.635226] Oops: 0011 [#5] SMP PTI

 3761 18:29:41.142213  <4>[   32.639421] CPU: 3 PID: 1539 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 3762 18:29:41.152416  <4>[   32.648361] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3763 18:29:41.155564  <4>[   32.655458] RIP: 0010:data_area+0x0/0x40

 3764 18:29:41.175092  <4>[   32.660125] Code: ff ff 00 b2 e2 c4 bc 97 ff ff 00 b1 e2 c4 bc 97 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 3765 18:29:41.181815  <4>[   32.681418] RSP: 0018:ffffac1c020a7e48 EFLAGS: 00010246

 3766 18:29:41.191894  <4>[   32.687542] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3767 18:29:41.198207  <4>[   32.695802] RDX: 0000000000000000 RSI: ffff97bd3ad9bf70 RDI: ffff97bd3ad9bf70

 3768 18:29:41.208176  <4>[   32.704061] RBP: ffffffff8740ebe0 R08: 0000000000000000 R09: 0000000000000000

 3769 18:29:41.214780  <4>[   32.712321] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3770 18:29:41.224552  <4>[   32.720581] R13: ffffac1c020a7f10 R14: ffffac1c020a7f10 R15: ffff97bcc6ca2000

 3771 18:29:41.234461  <4>[   32.728842] FS:  00007f416ae40580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 3772 18:29:41.240800  <4>[   32.738170] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3773 18:29:41.247563  <4>[   32.744876] CR2: ffffffff8740ebe0 CR3: 0000000102a66005 CR4: 00000000003706e0

 3774 18:29:41.250817  <4>[   32.753135] Call Trace:

 3775 18:29:41.257938  <4>[   32.756155]  ? __die_body.cold+0x1a/0x1f

 3776 18:29:41.260895  <4>[   32.760825]  ? no_context+0x177/0x380

 3777 18:29:41.264019  <4>[   32.765205]  ? exc_page_fault+0xd7/0x170

 3778 18:29:41.271098  <4>[   32.769874]  ? asm_exc_page_fault+0x1e/0x30

 3779 18:29:41.274121  <4>[   32.774829]  ? execute_location+0x45/0x56

 3780 18:29:41.281015  <4>[   32.779595]  ? direct_entry.cold+0x2c/0x38

 3781 18:29:41.284312  <4>[   32.784449]  ? full_proxy_write+0x53/0x80

 3782 18:29:41.287192  <4>[   32.789216]  ? vfs_write+0xe7/0x3b0

 3783 18:29:41.290726  die+0x2b/0x50

 3784 18:29:41.300735  # [   30.131157]  ? handle_stack_overflow+0x3e/0x<4>[   32.793401]  ? ksys_write+0x68/0xf0

 3785 18:29:41.303715  <4>[   32.803797]  ? do_syscall_64+0x30/0x40

 3786 18:29:41.310056  <4>[   32.808271]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3787 18:29:41.310156  4d

 3788 18:29:41.313914  # [   30.136418]  ? no_context+0x24d/0x380

 3789 18:29:41.369885  # [   30.140794]<4>[   32.814403] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3790 18:29:41.373122  <4>[   32.873412] CR2: ffffffff8740ebe0

 3791 18:29:41.379966  <4>[   32.877414] ---[ end trace c8f77ca8824754b8 ]---

 3792 18:29:41.383074  <4>[   32.882859] RIP: 0010:lkdtm_BUG+0x5/0x10

 3793 18:29:41.402433  <4>[   32.887527] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 3794 18:29:41.409167  <4>[   32.908792] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 3795 18:29:41.418926  <4>[   32.914910] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 3796 18:29:41.426124  <4>[   32.923170] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 3797 18:29:41.435412  <4>[   32.931429] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 3798 18:29:41.442300  <4>[   32.939688] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3799 18:29:41.452176  <4>[   32.947948] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 3800 18:29:41.462094  <4>[   32.956210] FS:  00007f416ae40580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 3801 18:29:41.468244  <4>[   32.965539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3802 18:29:41.475343  <4>[   32.972247] CR2: ffffffff8740ebe0 CR3: 0000000102a66005 CR4: 00000000003706e0

 3803 18:29:41.485251  <3>[   32.980506] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3804 18:29:41.495101  <3>[   32.990708] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1539, name: cat

 3805 18:29:41.498183  <4>[   32.999455] INFO: lockdep is turned off.

 3806 18:29:41.501550  <4>[   33.004121] irq event stamp: 0

 3807 18:29:41.511623  <4>[   33.007819] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3808 18:29:41.521268  <4>[   33.015103] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3809 18:29:41.527844  <4>[   33.024531] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3810 18:29:41.537728  <4>[   33.033949] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3811 18:29:41.544490  <4>[   33.041232] CPU: 3 PID: 1539 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 3812 18:29:41.554462  <4>[   33.050165] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3813 18:29:41.554618  <4>[   33.057261] Call Trace:

 3814 18:29:41.560712  <4>[   33.060278]  dump_stack+0x77/0x9b

 3815 18:29:41.564687  <4>[   33.064268]  ___might_sleep.cold+0xa6/0xb6

 3816 18:29:41.567455  <4>[   33.069132]  exit_signals+0x1c/0x300

 3817 18:29:41.574002  <4>[   33.073412]  do_exit+0xc2/0xab0

 3818 18:29:41.577298  <4>[   33.077206]  ? ksys_write+0x68/0xf0

 3819 18:29:41.581049  <4>[   33.081401]  make_task_dead+0x2f/0x30

 3820 18:29:41.587593  <4>[   33.085779]  rewind_stack_and_make_dead+0x17/0x20

 3821 18:29:41.590535  <4>[   33.091321] RIP: 0033:0x7f416ad56473

 3822 18:29:41.613902  <4>[   33.095599] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3823 18:29:41.619982  <4>[   33.116872] RSP: 002b:00007ffe2029a278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3824 18:29:41.630048  <4>[   33.125620] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f416ad56473

 3825 18:29:41.636814  <4>[   33.133880] RDX: 000000000000000a RSI: 00007f416ac4a000 RDI: 0000000000000001

 3826 18:29:41.646886  <4>[   33.142140] RBP: 00007f416ac4a000 R08: 00007f416ac49010 R09: 0000000000000000

 3827 18:29:41.653373  <4>[   33.150404] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3828 18:29:41.663263  <4>[   33.158664] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3829 18:29:41.663352    </#DF>

 3830 18:29:41.715605  # [   30.143422] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3831 18:29:41.722064  # [   30.202422] ---[ end trace c8f77ca8824754b5 ]---

 3832 18:29:41.725762  # [   30.207870] RIP: 0010:lkdtm_BUG+0x5/0x10

 3833 18:29:41.745390  # [   30.212537] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 3834 18:29:41.755182  # [   30.233812] RSP: 00<6>[   33.251033] lkdtm: Performing direct entry EXEC_STACK

 3835 18:29:41.758299  18:ffffac1c01327e60 EFLAGS: 00010282

 3836 18:29:41.768752  # [   30.239937] RAX: ffff<6>[   33.259917] lkdtm: attempting ok execution at ffffffff84579e50

 3837 18:29:41.775057  ffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 3838 18:29:41.781956  # [   <6>[   33.272968] lkdtm: attempting bad execution at ffffac1c02127e18

 3839 18:29:41.795238  30.248197] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffff<2>[   33.286085] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3840 18:29:41.805015  <1>[   33.300913] BUG: unable to handle page fault for address: ffffac1c02127e18

 3841 18:29:41.811595  <1>[   33.308882] #PF: supervisor instruction fetch in kernel mode

 3842 18:29:41.818365  <1>[   33.315492] #PF: error_code(0x0011) - permissions violation

 3843 18:29:41.828154  <6>[   33.322005] PGD 100000067 P4D 100000067 PUD 100231067 PMD 1030d4067 PTE 80000001029cd063

 3844 18:29:41.831340  <4>[   33.331356] Oops: 0011 [#6] SMP PTI

 3845 18:29:41.841206  <4>[   33.335540] CPU: 0 PID: 1575 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 3846 18:29:41.848369  <4>[   33.344479] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3847 18:29:41.851473  <4>[   33.351577] RIP: 0010:0xffffac1c02127e18

 3848 18:29:41.874734  <4>[   33.356245] Code: 00 00 18 7e 12 02 1c ac ff ff 69 b6 c0 84 ff ff ff ff 20 00 00 00 00 00 00 00 3e 8f 9f 85 ff ff ff ff 98 b7 c0 84 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 3849 18:29:41.880848  <4>[   33.377519] RSP: 0018:ffffac1c02127df8 EFLAGS: 00010246

 3850 18:29:41.887344  <4>[   33.383645] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3851 18:29:41.897443  <4>[   33.391907] RDX: 0000000000000000 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70

 3852 18:29:41.904129  <4>[   33.400167] RBP: ffffac1c02127e18 R08: 0000000000000000 R09: 0000000000000000

 3853 18:29:41.913774  <4>[   33.408428] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3854 18:29:41.920610  <4>[   33.416689] R13: ffffac1c02127f10 R14: ffffac1c02127f10 R15: ffff97bcc2f09000

 3855 18:29:41.930284  <4>[   33.424952] FS:  00007fa5694f1580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 3856 18:29:41.936745  <4>[   33.434280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3857 18:29:41.943528  <4>[   33.440987] CR2: ffffac1c02127e18 CR3: 0000000103452002 CR4: 00000000003706f0

 3858 18:29:41.946371  <4>[   33.449248] Call Trace:

 3859 18:29:41.952722  <4>[   33.452267]  ? __die_body.cold+0x1a/0x1f

 3860 18:29:41.956722  <4>[   33.456943]  ? no_context+0x177/0x380

 3861 18:29:41.962924  <4>[   33.461324]  ? exc_page_fault+0xd7/0x170

 3862 18:29:41.965888  <4>[   33.466022]  ? asm_exc_page_fault+0x1e/0x30

 3863 18:29:41.973049  <4>[   33.470986]  ? execute_location+0x45/0x56

 3864 18:29:41.976073  <4>[   33.475757]  ? lkdtm_EXEC_STACK+0x26/0x44

 3865 18:29:41.979673  <4>[   33.480514]  ? direct_entry.cold+0x2c/0x38

 3866 18:29:41.985926  <4>[   33.485394]  ? full_proxy_write+0x53/0x80

 3867 18:29:41.989040  <4>[   33.490153]  ? vfs_write+0xe7/0x3b0

 3868 18:29:41.992073  <4>[   33.494329]  ? ksys_write+0x68/0xf0

 3869 18:29:41.998967  <4>[   33.498538]  ? do_syscall_64+0x30/0x40

 3870 18:29:42.005633  <4>[   33.503013]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3871 18:29:42.057938  <4>[   33.509140] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3872 18:29:42.061694  <4>[   33.561914] CR2: ffffac1c02127e18

 3873 18:29:42.067977  <4>[   33.565893] ---[ end trace c8f77ca8824754b9 ]---

 3874 18:29:42.071019  <4>[   33.571359] RIP: 0010:lkdtm_BUG+0x5/0x10

 3875 18:29:42.091213  <4>[   33.576028] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 3876 18:29:42.097854  <4>[   33.597303] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 3877 18:29:42.107740  <4>[   33.603418] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 3878 18:29:42.114000  <4>[   33.611679] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 3879 18:29:42.124222  <4>[   33.619939] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 3880 18:29:42.130663  <4>[   33.628199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3881 18:29:42.140508  <4>[   33.636459] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 3882 18:29:42.150354  <4>[   33.644721] FS:  00007fa5694f1580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 3883 18:29:42.156926  <4>[   33.654049] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3884 18:29:42.163271  <4>[   33.660755] CR2: ffffac1c02127e18 CR3: 0000000103452002 CR4: 00000000003706f0

 3885 18:29:42.166396  ffff8557e8d0

 3886 18:29:42.173304  # [   30.256458] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 3887 18:29:42.183356  # [   30.264717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3888 18:29:42.189931  # [   30.272976] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 3889 18:29:42.199375  # [   30.281238] FS:  00007f590ecf0580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 3890 18:29:42.205967  # [   30.290567] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3891 18:29:42.212946  # [   30.297274] CR2: ffffac1c017fbfff CR3: 00000001030bc003 CR4: 00000000003706e0

 3892 18:29:42.219109  # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok

 3893 18:29:42.225809  ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3894 18:29:42.229074  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3895 18:29:42.232596  # Segmentation fault

 3896 18:29:42.239308  # [   30.381444] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3897 18:29:42.245535  # [   30.393764] lkdtm: attempting bad read from page above current stack

 3898 18:29:42.258922  # [   30.401191] BUG: stack guard page was hit at 0000000<6>[   33.749755] lkdtm: Performing direct entry EXEC_KMALLOC

 3899 18:29:42.265963  <6>[   33.762179] lkdtm: attempting ok execution at ffffffff84579e50

 3900 18:29:42.268997  0f1f65dba (stack is 0000000071e6848a..0000000003e5a119)

 3901 18:29:42.278473  # [   3<6>[   33.769020] lkdtm: attempting bad execution at ffff97bcc2b14240

 3902 18:29:42.285420  <2>[   33.782133] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3903 18:29:42.291282  0.412393] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3904 18:29:42.301586  <1>[   33.790807] BUG: unable to handle page fault for address: ffff97bcc2b14240

 3905 18:29:42.308476  <1>[   33.804991] #PF: supervisor instruction fetch in kernel mode

 3906 18:29:42.314325  <1>[   33.811601] #PF: error_code(0x0011) - permissions violation

 3907 18:29:42.321287  <6>[   33.818113] PGD 43601067 P4D 43601067 PUD 100870063 PMD 102715063 PTE 8000000102b14063

 3908 18:29:42.327376  <4>[   33.827251] Oops: 0011 [#7] SMP PTI

 3909 18:29:42.334104  <4>[   33.831434] CPU: 2 PID: 1612 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 3910 18:29:42.343668  <4>[   33.840375] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3911 18:29:42.347281  <4>[   33.847471] RIP: 0010:0xffff97bcc2b14240

 3912 18:29:42.366889  <4>[   33.852140] Code: 00 00 02 00 00 00 00 00 00 00 00 44 b1 c2 bc 97 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef af 83 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 3913 18:29:42.373981  <4>[   33.873416] RSP: 0018:ffffac1c021afe38 EFLAGS: 00010246

 3914 18:29:42.383856  <4>[   33.879540] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3915 18:29:42.390168  <4>[   33.887799] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 3916 18:29:42.400403  <4>[   33.896059] RBP: ffff97bcc2b14240 R08: 0000000000000000 R09: 0000000000000000

 3917 18:29:42.406471  <4>[   33.904318] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 3918 18:29:42.416793  <4>[   33.912579] R13: ffffac1c021aff10 R14: ffffac1c021aff10 R15: ffff97bcc2f4d000

 3919 18:29:42.426389  <4>[   33.920840] FS:  00007f50ecc47580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 3920 18:29:42.433173  <4>[   33.930168] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3921 18:29:42.439885  <4>[   33.936875] CR2: ffff97bcc2b14240 CR3: 000000010345a001 CR4: 00000000003706e0

 3922 18:29:42.442916  <4>[   33.945134] Call Trace:

 3923 18:29:42.449584  <4>[   33.948155]  ? __die_body.cold+0x1a/0x1f

 3924 18:29:42.453113  <4>[   33.952824]  ? no_context+0x177/0x380

 3925 18:29:42.456134  <4>[   33.957202]  ? exc_page_fault+0xd7/0x170

 3926 18:29:42.456216  

 3927 18:29:42.469553  # [   30.425700] CPU: 3 PID: 996 Comm: cat Tainted: G      D W <4>[   33.961872]  ? asm_exc_page_fault+0x1e/0x30

 3928 18:29:42.472790  <4>[   33.973048]  ? execute_location+0x45/0x56

 3929 18:29:42.479633  <4>[   33.977814]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 3930 18:29:42.482747  <4>[   33.982774]  ? direct_entry.cold+0x2c/0x38

 3931 18:29:42.489052  <4>[   33.987629]  ? full_proxy_write+0x53/0x80

 3932 18:29:42.492351  <4>[   33.992410]  ? vfs_write+0xe7/0x3b0

 3933 18:29:42.495941  <4>[   33.996593]  ? ksys_write+0x68/0xf0

 3934 18:29:42.499198  <4>[   34.000778]  ? do_syscall_64+0x30/0x40

 3935 18:29:42.505414  <4>[   34.005251]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3936 18:29:42.558444  <4>[   34.011379] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3937 18:29:42.561680          5.10.185-cip35 #1

 3938 18:29:42.568358  # [   30.434536] Hardware name: Googl<4>[   34.064179] CR2: ffff97bcc2b14240

 3939 18:29:42.574501  <4>[   34.074382] ---[ end trace c8f77ca8824754ba ]---

 3940 18:29:42.581551  <4>[   34.079848] RIP: 0010:lkdtm_BUG+0x5/0x10

 3941 18:29:42.601045  <4>[   34.084517] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 3942 18:29:42.608071  <4>[   34.105780] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 3943 18:29:42.614296  <4>[   34.111904] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 3944 18:29:42.624457  <4>[   34.120164] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 3945 18:29:42.631319  <4>[   34.128422] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 3946 18:29:42.640907  <4>[   34.136681] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3947 18:29:42.647877  <4>[   34.144942] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 3948 18:29:42.657507  <4>[   34.153202] FS:  00007f50ecc47580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 3949 18:29:42.664472  <4>[   34.162530] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3950 18:29:42.673955  <4>[   34.169237] CR2: ffff97bcc2b14240 CR3: 000000010345a001 CR4: 00000000003706e0

 3951 18:29:42.683909  <3>[   34.177499] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3952 18:29:42.690359  <3>[   34.187701] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1612, name: cat

 3953 18:29:42.697294  <4>[   34.196445] INFO: lockdep is turned off.

 3954 18:29:42.700382  <4>[   34.201114] irq event stamp: 0

 3955 18:29:42.707505  <4>[   34.204811] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3956 18:29:42.716776  <4>[   34.212101] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3957 18:29:42.727225  <4>[   34.221526] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 3958 18:29:42.733441  <4>[   34.230952] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3959 18:29:42.743309  <4>[   34.238234] CPU: 2 PID: 1612 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 3960 18:29:42.750114  <4>[   34.247174] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3961 18:29:42.753149  <4>[   34.254266] Call Trace:

 3962 18:29:42.756672  <4>[   34.257285]  dump_stack+0x77/0x9b

 3963 18:29:42.762946  <4>[   34.261275]  ___might_sleep.cold+0xa6/0xb6

 3964 18:29:42.766311  <4>[   34.266137]  exit_signals+0x1c/0x300

 3965 18:29:42.769989  <4>[   34.270412]  do_exit+0xc2/0xab0

 3966 18:29:42.773132  e Rammus/Rammus, BIOS  09/04/2020

 3967 18:29:42.779142  # [   30.441634] RIP: 0010:lk<4>[   34.274209]  ? ksys_write+0x68/0xf0

 3968 18:29:42.786151  <4>[   34.284605]  make_task_dead+0x2f/0x30

 3969 18:29:42.789368  <4>[   34.288984]  rewind_stack_and_make_dead+0x17/0x20

 3970 18:29:42.792705  <4>[   34.294525] RIP: 0033:0x7f50ecb5d473

 3971 18:29:42.815588  <4>[   34.298804] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3972 18:29:42.825690  <4>[   34.320080] RSP: 002b:00007ffcdcba2f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3973 18:29:42.832027  <4>[   34.328827] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f50ecb5d473

 3974 18:29:42.842183  <4>[   34.337089] RDX: 000000000000000d RSI: 00007f50eca51000 RDI: 0000000000000001

 3975 18:29:42.848454  <4>[   34.345356] RBP: 00007f50eca51000 R08: 00007f50eca50010 R09: 0000000000000000

 3976 18:29:42.858602  <4>[   34.353617] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3977 18:29:42.865111  <4>[   34.361877] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3978 18:29:42.868074  dtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3979 18:29:42.891579  # [   30.448536] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 f0 96 9f 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 63 de fb ff 48 c7 c7 30 97 9f 85 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 46 de fb ff

 3980 18:29:42.898421  # [   30.469812] RSP: 0018:ffffac1c0189fe50 EFLAGS: 00010246

 3981 18:29:42.905288  # [   30.475928] RAX: 0000000000000038 RBX: ffffac1c0189c000 RCX: 0000000000000000

 3982 18:29:42.914840  # [   30.484189] RDX: 0000000000000000 RSI: ffff97bd3ad9bf70 RDI: ffffffff859f9730

 3983 18:29:42.921809  # [   30.492449] RBP: ffffffff859f8dfb R08: 0000000000000000 R09: 0000000000000000

 3984 18:29:42.927942  # [   30.500710] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3985 18:29:42.937913  # [   30.508971] R13: ffffac1c0189ff10 R14: ffffac1c0189ff10 R15: ffff97bcc3272000

 3986 18:29:42.947785  # [   30.517232] FS:  00007f2f4fcf0580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 3987 18:29:42.954255  # [   30.526561] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3988 18:29:42.960919  # [   30.533267] CR2: ffffac1c018a0000 CR3: 000000010347e006 CR4: 00000000003706e0

 3989 18:29:42.963990  # [   30.541528] Call Trace:

 3990 18:29:42.970784  # [   <6>[   34.466858] lkdtm: Performing direct entry EXEC_VMALLOC

 3991 18:29:42.977345  <6>[   34.475769] lkdtm: attempting ok execution at ffffffff84579e50

 3992 18:29:42.980946  30.544543]  <#DF>

 3993 18:29:42.990593  # [   30.547077]  ? __die_body.cold+0x1a/0x1f<6>[   34.482588] lkdtm: attempting bad execution at ffffac1c002eb000

 3994 18:29:43.000769  <2>[   34.495706] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3995 18:29:43.007251  <1>[   34.504387] BUG: unable to handle page fault for address: ffffac1c002eb000

 3996 18:29:43.013469  <1>[   34.512365] #PF: supervisor instruction fetch in kernel mode

 3997 18:29:43.020617  <1>[   34.518975] #PF: error_code(0x0011) - permissions violation

 3998 18:29:43.030248  <6>[   34.525488] PGD 100000067 P4D 100000067 PUD 100231067 PMD 1009d3067 PTE 8000000103779063

 3999 18:29:43.033335  <4>[   34.534821] Oops: 0011 [#8] SMP PTI

 4000 18:29:43.043220  <4>[   34.539005] CPU: 2 PID: 1648 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4001 18:29:43.049704  <4>[   34.547937] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4002 18:29:43.056752  <4>[   34.555034] RIP: 0010:0xffffac1c002eb000

 4003 18:29:43.062821  <4>[   34.559703] Code: Unable to access opcode bytes at RIP 0xffffac1c002eafd6.

 4004 18:29:43.069865  <4>[   34.567662] RSP: 0018:ffffac1c02247e38 EFLAGS: 00010246

 4005 18:29:43.076216  <4>[   34.573786] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4006 18:29:43.086300  <4>[   34.582046] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 4007 18:29:43.092990  <4>[   34.590306] RBP: ffffac1c002eb000 R08: 0000000000000000 R09: 0000000000000000

 4008 18:29:43.102563  <4>[   34.598565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4009 18:29:43.109303  <4>[   34.606825] R13: ffffac1c02247f10 R14: ffffac1c02247f10 R15: ffff97bcc3779000

 4010 18:29:43.119028  <4>[   34.615086] FS:  00007efda53b2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 4011 18:29:43.126143  <4>[   34.624415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4012 18:29:43.136082  <4>[   34.631121] CR2: ffffac1c002eafd6 CR3: 00000001035e6004 CR4: 00000000003706e0

 4013 18:29:43.139015  <4>[   34.639382] Call Trace:

 4014 18:29:43.142143  <4>[   34.642423]  ? __die_body.cold+0x1a/0x1f

 4015 18:29:43.145762  <4>[   34.647091]  ? no_context+0x177/0x380

 4016 18:29:43.152120  <4>[   34.651462]  ? exc_page_fault+0xd7/0x170

 4017 18:29:43.155875  <4>[   34.656129]  ? asm_exc_page_fault+0x1e/0x30

 4018 18:29:43.156308  

 4019 18:29:43.158617  # [   30.551745]  ? die+0x2b/0x50

 4020 18:29:43.168762  # [   30.555248]  ? handle_<4>[   34.661094]  ? execute_location+0x45/0x56

 4021 18:29:43.171780  <4>[   34.672072]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4022 18:29:43.178619  <4>[   34.677030]  ? direct_entry.cold+0x2c/0x38

 4023 18:29:43.182172  <4>[   34.681894]  ? full_proxy_write+0x53/0x80

 4024 18:29:43.185045  <4>[   34.686661]  ? vfs_write+0xe7/0x3b0

 4025 18:29:43.192081  <4>[   34.690835]  ? ksys_write+0x68/0xf0

 4026 18:29:43.195341  <4>[   34.695021]  ? do_syscall_64+0x30/0x40

 4027 18:29:43.201608  <4>[   34.699495]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4028 18:29:43.205056  stack_overflow+0x3e/0x4d

 4029 18:29:43.261330  # [   30.560500]  ? no_context+0x24d/0<4>[   34.705616] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4030 18:29:43.264188  <4>[   34.764607] CR2: ffffac1c002eb000

 4031 18:29:43.271094  <4>[   34.768595] ---[ end trace c8f77ca8824754bb ]---

 4032 18:29:43.274090  <4>[   34.774040] RIP: 0010:lkdtm_BUG+0x5/0x10

 4033 18:29:43.297276  <4>[   34.778700] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 4034 18:29:43.300589  <4>[   34.799967] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 4035 18:29:43.310734  <4>[   34.806091] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 4036 18:29:43.316798  <4>[   34.814355] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 4037 18:29:43.326756  <4>[   34.822616] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 4038 18:29:43.333680  <4>[   34.830876] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4039 18:29:43.343285  <4>[   34.839138] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 4040 18:29:43.353295  <4>[   34.847407] FS:  00007efda53b2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 4041 18:29:43.360240  <4>[   34.856735] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4042 18:29:43.366591  <4>[   34.863441] CR2: ffffac1c002eafd6 CR3: 00000001035e6004 CR4: 00000000003706e0

 4043 18:29:43.367148  x380

 4044 18:29:43.369539  # [   30.564875]  </#DF>

 4045 18:29:43.422483  # [   30.567502] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4046 18:29:43.429110  # [   30.626502] ---[ end trace c8f77ca8824754b6 ]---

 4047 18:29:43.431981  # [   30.631949] RIP: 0010:lkdtm_BUG+0x5/0x10

 4048 18:29:43.455844  # [   30.636617] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 4049 18:29:43.458873  # <6>[   34.956263] lkdtm: Performing direct entry EXEC_RODATA

 4050 18:29:43.468636  <6>[   34.964809] lkdtm: attempting ok execution at ffffffff84579e50

 4051 18:29:43.472168  [   30.657891] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 4052 18:29:43.482082  # [ <6>[   34.971631] lkdtm: attempting bad execution at ffffffff8557ed60

 4053 18:29:43.488498  <2>[   34.984767] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4054 18:29:43.501906    30.664006] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 00<1>[   34.993423] BUG: unable to handle page fault for address: ffffffff8557ed60

 4055 18:29:43.508328  <1>[   35.007609] #PF: supervisor instruction fetch in kernel mode

 4056 18:29:43.515131  <1>[   35.014218] #PF: error_code(0x0011) - permissions violation

 4057 18:29:43.524457  <6>[   35.020730] PGD 41c29067 P4D 41c29067 PUD 41c2a063 PMD 80000000414000e1 

 4058 18:29:43.528206  <4>[   35.028509] Oops: 0011 [#9] SMP PTI

 4059 18:29:43.538198  <4>[   35.032691] CPU: 2 PID: 1684 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4060 18:29:43.544354  <4>[   35.041633] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4061 18:29:43.551067  <4>[   35.048733] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4062 18:29:43.571505  <4>[   35.054760] Code: ff ff 08 cc c0 84 ff ff ff ff 8a 91 9f 85 ff ff ff ff 4e b3 c0 84 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

 4063 18:29:43.577361  <4>[   35.076034] RSP: 0018:ffffac1c022efe48 EFLAGS: 00010246

 4064 18:29:43.587664  <4>[   35.082157] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4065 18:29:43.593801  <4>[   35.090419] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 4066 18:29:43.603834  <4>[   35.098677] RBP: ffffffff8557ed60 R08: 0000000000000000 R09: 0000000000000000

 4067 18:29:43.610446  <4>[   35.106937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4068 18:29:43.620255  <4>[   35.115199] R13: ffffac1c022eff10 R14: ffffac1c022eff10 R15: ffff97bcc29c8000

 4069 18:29:43.627322  <4>[   35.123460] FS:  00007fed63d83580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 4070 18:29:43.637063  <4>[   35.132788] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4071 18:29:43.643615  <4>[   35.139495] CR2: ffffffff8557ed60 CR3: 00000001035ec001 CR4: 00000000003706e0

 4072 18:29:43.646601  <4>[   35.147753] Call Trace:

 4073 18:29:43.650348  <4>[   35.150772]  ? __die_body.cold+0x1a/0x1f

 4074 18:29:43.656269  <4>[   35.155441]  ? no_context+0x177/0x380

 4075 18:29:43.659904  <4>[   35.159810]  ? exc_page_fault+0xd7/0x170

 4076 18:29:43.666245  <4>[   35.164480]  ? asm_exc_page_fault+0x1e/0x30

 4077 18:29:43.669742  <4>[   35.169436]  ? execute_location+0x45/0x56

 4078 18:29:43.676218  <4>[   35.174202]  ? direct_entry.cold+0x2c/0x38

 4079 18:29:43.679270  <4>[   35.179065]  ? full_proxy_write+0x53/0x80

 4080 18:29:43.683068  <4>[   35.183832]  ? vfs_write+0xe7/0x3b0

 4081 18:29:43.689176  <4>[   35.188015]  ? ksys_write+0x68/0xf0

 4082 18:29:43.692291  <4>[   35.192191]  ? do_syscall_64+0x30/0x40

 4083 18:29:43.698988  <4>[   35.196666]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4084 18:29:43.699545  00000000000000

 4085 18:29:43.758780  # [   30.672268] RDX: 0000000000000000 RSI: ffff<4>[   35.202785] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4086 18:29:43.761582  <4>[   35.261779] CR2: ffffffff8557ed60

 4087 18:29:43.768448  <4>[   35.265758] ---[ end trace c8f77ca8824754bc ]---

 4088 18:29:43.771918  <4>[   35.271205] RIP: 0010:lkdtm_BUG+0x5/0x10

 4089 18:29:43.791398  <4>[   35.275872] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 4090 18:29:43.797890  <4>[   35.297147] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 4091 18:29:43.807671  <4>[   35.303271] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 4092 18:29:43.814876  <4>[   35.311531] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 4093 18:29:43.824346  <4>[   35.319791] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 4094 18:29:43.831132  <4>[   35.328051] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4095 18:29:43.841143  <4>[   35.336311] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 4096 18:29:43.851220  <4>[   35.344572] FS:  00007fed63d83580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 4097 18:29:43.857510  <4>[   35.353901] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4098 18:29:43.864449  <4>[   35.360608] CR2: ffffffff8557ed60 CR3: 00000001035ec001 CR4: 00000000003706e0

 4099 18:29:43.867199  97bd3ac9bf70 RDI: ffffffff8557e8d0

 4100 18:29:43.876763  # [   30.680528] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 4101 18:29:43.883481  # [   30.688788] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4102 18:29:43.893313  # [   30.697049] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 4103 18:29:43.900338  # [   30.705309] FS:  00007f2f4fcf0580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 4104 18:29:43.906758  # [   30.714638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4105 18:29:43.916746  # [   30.721357] CR2: ffffac1c018a0000 CR3: 000000010347e006 CR4: 00000000003706e0

 4106 18:29:43.926577  # [   30.729618] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4107 18:29:43.936184  # [   30.739821] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 996, name: cat

 4108 18:29:43.939889  # [   30.748469] INFO: lockdep is turned off.

 4109 18:29:43.943077  # [   30.753136] irq event stamp: 0

 4110 18:29:43.949781  # [   30.756833] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4111 18:29:43.959603  # [   30.764113] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4112 18:29:43.969598  # [   30.773540] softirqs last  enabled at <6>[   35.463468] lkdtm: Performing direct entry EXEC_USERSPACE

 4113 18:29:43.976018  <6>[   35.474675] lkdtm: attempting ok execution at ffffffff84579e50

 4114 18:29:43.982822  <6>[   35.481502] lkdtm: attempting bad execution at 00007f9b13881000

 4115 18:29:43.992475  <2>[   35.488420] unable to execute userspace code (SMEP?) (uid: 0)

 4116 18:29:43.995582  (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4117 18:29:44.005655  # [   30.78<1>[   35.495152] BUG: unable to handle page fault for address: 00007f9b13881000

 4118 18:29:44.011955  <1>[   35.509357] #PF: supervisor instruction fetch in kernel mode

 4119 18:29:44.018903  <1>[   35.515967] #PF: error_code(0x0011) - permissions violation

 4120 18:29:44.028605  <6>[   35.522480] PGD 800000010367c067 P4D 800000010367c067 PUD 102f5d067 PMD 102f5c067 PTE 10b153067

 4121 18:29:44.031910  <4>[   35.532493] Oops: 0011 [#10] SMP PTI

 4122 18:29:44.041778  <4>[   35.536773] CPU: 2 PID: 1720 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4123 18:29:44.048377  <4>[   35.545713] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4124 18:29:44.051663  <4>[   35.552810] RIP: 0010:0x7f9b13881000

 4125 18:29:44.061831  <4>[   35.557089] Code: Unable to access opcode bytes at RIP 0x7f9b13880fd6.

 4126 18:29:44.064852  <4>[   35.564669] RSP: 0018:ffffac1c02387e50 EFLAGS: 00010246

 4127 18:29:44.074706  <4>[   35.570794] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4128 18:29:44.081672  <4>[   35.579055] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 4129 18:29:44.091186  <4>[   35.587315] RBP: 00007f9b13881000 R08: 0000000000000000 R09: 0000000000000000

 4130 18:29:44.098177  <4>[   35.595575] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 4131 18:29:44.107506  <4>[   35.603835] R13: ffffac1c02387f10 R14: ffffac1c02387f10 R15: ffff97bcc3478000

 4132 18:29:44.117573  <4>[   35.612094] FS:  00007f9b13852580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 4133 18:29:44.123803  <4>[   35.621423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4134 18:29:44.130782  <4>[   35.628130] CR2: 00007f9b13881000 CR3: 000000010347e001 CR4: 00000000003706e0

 4135 18:29:44.134036  <4>[   35.636406] Call Trace:

 4136 18:29:44.140781  <4>[   35.639426]  ? __die_body.cold+0x1a/0x1f

 4137 18:29:44.143784  <4>[   35.644096]  ? no_context+0x177/0x380

 4138 18:29:44.147221  <4>[   35.648475]  ? exc_page_fault+0x53/0x170

 4139 18:29:44.153355  <4>[   35.653144]  ? asm_exc_page_fault+0x1e/0x30

 4140 18:29:44.159808  <4>[   35.658110]  ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae

 4141 18:29:44.163514  <4>[   35.663749]  ? direct_entry.cold+0x2c/0x38

 4142 18:29:44.169890  <4>[   35.668613]  ? full_proxy_write+0x53/0x80

 4143 18:29:44.172936  <4>[   35.673379]  ? vfs_write+0xe7/0x3b0

 4144 18:29:44.176594  <4>[   35.677581]  ? ksys_write+0x68/0xf0

 4145 18:29:44.182926  <4>[   35.681765]  ? do_syscall_64+0x30/0x40

 4146 18:29:44.186813  <4>[   35.686239]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4147 18:29:44.193092  2965] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4148 18:29:44.246001  #<4>[   35.692362] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4149 18:29:44.249855  <4>[   35.751321] CR2: 00007f9b13881000

 4150 18:29:44.255492  <4>[   35.755300] ---[ end trace c8f77ca8824754bd ]---

 4151 18:29:44.262152  <4>[   35.760746] RIP: 0010:lkdtm_BUG+0x5/0x10

 4152 18:29:44.282373  <4>[   35.765413] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 4153 18:29:44.288458  <4>[   35.786687] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 4154 18:29:44.295333  <4>[   35.792812] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 4155 18:29:44.305023  <4>[   35.801072] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 4156 18:29:44.311539  <4>[   35.809357] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 4157 18:29:44.321595  <4>[   35.817617] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4158 18:29:44.327978  <4>[   35.825878] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 4159 18:29:44.338210  <4>[   35.834140] FS:  00007f9b13852580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 4160 18:29:44.344438  <4>[   35.843467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4161 18:29:44.354239  <4>[   35.850175] CR2: 00007f9b13881000 CR3: 000000010347e001 CR4: 00000000003706e0

 4162 18:29:44.364591  <3>[   35.858436] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4163 18:29:44.373920  <3>[   35.868640] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat

 4164 18:29:44.377682  <4>[   35.877385] INFO: lockdep is turned off.

 4165 18:29:44.381141  <4>[   35.882054] irq event stamp: 0

 4166 18:29:44.387485  <4>[   35.885750] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4167 18:29:44.397339  <4>[   35.893040] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4168 18:29:44.407369  <4>[   35.902485] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4169 18:29:44.414017  <4>[   35.911911] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4170 18:29:44.423988  <4>[   35.919200] CPU: 2 PID: 1720 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4171 18:29:44.430834  <4>[   35.928140] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4172 18:29:44.433429  <4>[   35.935236] Call Trace:

 4173 18:29:44.436960  <4>[   35.938254]  dump_stack+0x77/0x9b

 4174 18:29:44.443537  <4>[   35.942243]  ___might_sleep.cold+0xa6/0xb6

 4175 18:29:44.446611  <4>[   35.947106]  exit_signals+0x1c/0x300

 4176 18:29:44.450510  <4>[   35.951384]  do_exit+0xc2/0xab0

 4177 18:29:44.453444  <4>[   35.955179]  ? ksys_write+0x68/0xf0

 4178 18:29:44.459856  <4>[   35.959361]  make_task_dead+0x2f/0x30

 4179 18:29:44.463416  <4>[   35.963739]  rewind_stack_and_make_dead+0x17/0x20

 4180 18:29:44.469952  <4>[   35.969280] RIP: 0033:0x7f9b13768473

 4181 18:29:44.489673  <4>[   35.973558] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4182 18:29:44.499707  <4>[   35.994829] RSP: 002b:00007fffff074d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4183 18:29:44.506169  <4>[   36.003575] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f9b13768473

 4184 18:29:44.516143  <4>[   36.011835] RDX: 000000000000000f RSI: 00007f9b1365c000 RDI: 0000000000000001

 4185 18:29:44.522917  <4>[   36.020096] RBP: 00007f9b1365c000 R08: 00007f9b1365b010 R09: 0000000000000000

 4186 18:29:44.532689  <4>[   36.028356] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4187 18:29:44.538996  <4>[   36.036617] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4188 18:29:44.549131   [   30.790255] CPU: 3 PID: 996 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4189 18:29:44.555436  # [   30.799098] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4190 18:29:44.559094  # [   30.806192] Call Trace:

 4191 18:29:44.562026  # [   30.809210]  dump_stack+0x77/0x9b

 4192 18:29:44.568874  # [   30.813191]  ___might_sleep.cold+0xa6/0xb6

 4193 18:29:44.572067  # [   30.818055]  exit_signals+0x1c/0x300

 4194 18:29:44.575262  # [   30.822356]  do_exit+0xc2/0xab0

 4195 18:29:44.579181  # [   30.826152]  ? ksys_write+0x68/0xf0

 4196 18:29:44.581799  # [   30.830359]  make_task_dead+0x2f/0x30

 4197 18:29:44.588777  # [   30.834736]  rewind_stack_and_make_dead+0x17/0x20

 4198 18:29:44.592125  # [   30.840269] RIP: 0033:0x7f2f4fc06473

 4199 18:29:44.615181  # [   30.844547] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4200 18:29:44.621415  # [   30.865820] RSP: 002b:00007ffd6f7b0368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4201 18:29:44.631158  # [   30.874567] RAX: ffffffffffffffda RBX:<6>[   36.130466] lkdtm: Performing direct entry EXEC_NULL

 4202 18:29:44.641354  <6>[   36.137761] lkdtm: attempting ok execution at ffffffff84579e50

 4203 18:29:44.648076  <6>[   36.144570] lkdtm: attempting bad execution at 0000000000000000

 4204 18:29:44.654473  <1>[   36.151498] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4205 18:29:44.657582   000000000000001a RCX: 00007f2f4fc06473

 4206 18:29:44.667533  # [   30.882828] RDX: 0<1>[   36.159573] #PF: supervisor instruction fetch in kernel mode

 4207 18:29:44.674211  <1>[   36.172415] #PF: error_code(0x0010) - not-present page

 4208 18:29:44.677627  <6>[   36.178443] PGD 0 P4D 0 

 4209 18:29:44.681040  <4>[   36.181557] Oops: 0010 [#11] SMP PTI

 4210 18:29:44.690839  <4>[   36.185837] CPU: 2 PID: 1756 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4211 18:29:44.697622  <4>[   36.194769] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4212 18:29:44.700929  <4>[   36.201865] RIP: 0010:0x0

 4213 18:29:44.707578  <4>[   36.205077] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 4214 18:29:44.713894  <4>[   36.213046] RSP: 0018:ffffac1c023d7e48 EFLAGS: 00010246

 4215 18:29:44.724069  <4>[   36.219170] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4216 18:29:44.730250  <4>[   36.227431] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 4217 18:29:44.740172  <4>[   36.235691] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4218 18:29:44.747283  <4>[   36.243952] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4219 18:29:44.756629  <4>[   36.252213] R13: ffffac1c023d7f10 R14: ffffac1c023d7f10 R15: ffff97bcc342e000

 4220 18:29:44.766536  <4>[   36.260474] FS:  00007fb966ea2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 4221 18:29:44.773436  <4>[   36.269804] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4222 18:29:44.779772  <4>[   36.276510] CR2: ffffffffffffffd6 CR3: 0000000103016006 CR4: 00000000003706e0

 4223 18:29:44.783339  <4>[   36.284771] Call Trace:

 4224 18:29:44.786490  <4>[   36.287791]  ? __die_body.cold+0x1a/0x1f

 4225 18:29:44.793036  <4>[   36.292461]  ? no_context+0x177/0x380

 4226 18:29:44.796597  <4>[   36.296831]  ? exc_page_fault+0x53/0x170

 4227 18:29:44.802940  <4>[   36.301500]  ? asm_exc_page_fault+0x1e/0x30

 4228 18:29:44.806306  <4>[   36.306464]  execute_location+0x45/0x56

 4229 18:29:44.810056  <4>[   36.311035]  direct_entry.cold+0x2c/0x38

 4230 18:29:44.816271  <4>[   36.315705]  full_proxy_write+0x53/0x80

 4231 18:29:44.819550  <4>[   36.320279]  vfs_write+0xe7/0x3b0

 4232 18:29:44.822511  <4>[   36.324268]  ksys_write+0x68/0xf0

 4233 18:29:44.829534  <4>[   36.328259]  do_syscall_64+0x30/0x40

 4234 18:29:44.832917  <4>[   36.332539]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4235 18:29:44.838959  <4>[   36.338461] RIP: 0033:0x7fb966db8473

 4236 18:29:44.858829  <4>[   36.342731] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4237 18:29:44.869281  <4>[   36.364005] RSP: 002b:00007ffe3cbbe3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4238 18:29:44.875633  <4>[   36.372751] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb966db8473

 4239 18:29:44.885309  <4>[   36.381013] RDX: 000000000000000a RSI: 00007fb966cac000 RDI: 0000000000000001

 4240 18:29:44.891635  <4>[   36.389274] RBP: 00007fb966cac000 R08: 00007fb966cab010 R09: 0000000000000000

 4241 18:29:44.902202  <4>[   36.397535] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4242 18:29:44.908567  <4>[   36.405797] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4243 18:29:44.914853  00000000000001a RSI: 00007f2f4fafa000 RDI: 0000000000000001

 4244 18:29:44.968389  # [<4>[   36.414062] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4245 18:29:44.971012  <4>[   36.473053] CR2: 0000000000000000

 4246 18:29:44.978099  <4>[   36.477032] ---[ end trace c8f77ca8824754be ]---

 4247 18:29:44.981278  <4>[   36.482479] RIP: 0010:lkdtm_BUG+0x5/0x10

 4248 18:29:45.004259  <4>[   36.487148] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 4249 18:29:45.010965  <4>[   36.508421] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 4250 18:29:45.017371  <4>[   36.514544] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 4251 18:29:45.027504  <4>[   36.522804] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 4252 18:29:45.033737  <4>[   36.531065] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 4253 18:29:45.043780  <4>[   36.539324] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4254 18:29:45.050166  <4>[   36.547585] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 4255 18:29:45.060214  <4>[   36.555846] FS:  00007fb966ea2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 4256 18:29:45.066674  <4>[   36.565175] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4257 18:29:45.076508  <4>[   36.571880] CR2: ffffffffffffffd6 CR3: 0000000103016006 CR4: 00000000003706e0

 4258 18:29:45.086767  <3>[   36.580143] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4259 18:29:45.093522  <3>[   36.590358] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1756, name: cat

 4260 18:29:45.099968  <4>[   36.599106] INFO: lockdep is turned off.

 4261 18:29:45.103086  <4>[   36.603774] irq event stamp: 0

 4262 18:29:45.109778  <4>[   36.607470] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4263 18:29:45.119838  <4>[   36.614762] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4264 18:29:45.129506  <4>[   36.624180] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4265 18:29:45.136199  <4>[   36.633595] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4266 18:29:45.145859  <4>[   36.640885] CPU: 2 PID: 1756 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4267 18:29:45.152911  <4>[   36.649826] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4268 18:29:45.155986  <4>[   36.656920] Call Trace:

 4269 18:29:45.159323  <4>[   36.659938]  dump_stack+0x77/0x9b

 4270 18:29:45.166106  <4>[   36.663920]  ___might_sleep.cold+0xa6/0xb6

 4271 18:29:45.169369  <4>[   36.668784]  exit_signals+0x1c/0x300

 4272 18:29:45.172239  <4>[   36.673063]  do_exit+0xc2/0xab0

 4273 18:29:45.175463  <4>[   36.676857]  ? ksys_write+0x68/0xf0

 4274 18:29:45.182522  <4>[   36.681032]  make_task_dead+0x2f/0x30

 4275 18:29:45.185822  <4>[   36.685410]  rewind_stack_and_make_dead+0x17/0x20

 4276 18:29:45.192411  <4>[   36.690951] RIP: 0033:0x7fb966db8473

 4277 18:29:45.212236  <4>[   36.695229] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4278 18:29:45.222012  <4>[   36.716504] RSP: 002b:00007ffe3cbbe3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4279 18:29:45.228542  <4>[   36.725244] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb966db8473

 4280 18:29:45.238619  <4>[   36.733505] RDX: 000000000000000a RSI: 00007fb966cac000 RDI: 0000000000000001

 4281 18:29:45.244907  <4>[   36.741766] RBP: 00007fb966cac000 R08: 00007fb966cab010 R09: 0000000000000000

 4282 18:29:45.254706  <4>[   36.750027] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4283 18:29:45.261532  <4>[   36.758288] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4284 18:29:45.271060     30.891087] RBP: 00007f2f4fafa000 R08: 00007f2f4faf9010 R09: 0000000000000000

 4285 18:29:45.278082  # [   30.899357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4286 18:29:45.287519  # [   30.907618] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4287 18:29:45.291164  # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok

 4288 18:29:45.297422  ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 4289 18:29:45.300983  # selftests: lkdtm: UNSET_SMEP.sh

 4290 18:29:45.307496  # [   31.005674] lkdtm: Performing direct entry UNSET_SMEP

 4291 18:29:45.310574  # [   31.015080] lkdtm: trying to clear SMEP normally

 4292 18:29:45.317428  # [   31.020545] ------------[ cut here ]------------

 4293 18:29:45.320650  # [   31.026004] pinned CR4 bits changed: 0x100000!?

 4294 18:29:45.334079  # [   31.031408] WARNING: CPU: 3 PID: 1032 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60

 4295 18:29:45.366961  # [   31.041933] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core video<6>[   36.865108] lkdtm: Performing direct entry ACCESS_USERSPACE

 4296 18:29:45.373098  <6>[   36.872545] lkdtm: attempting bad read at 00007f8363ac1000

 4297 18:29:45.389996  buf2_memops cros_ec_chardev cros_usbpd_logger snd_compress video<1>[   36.878994] BUG: unable to handle page fault for address: 00007f8363ac1000

 4298 18:29:45.396310  <1>[   36.893170] #PF: supervisor read access in kernel mode

 4299 18:29:45.403094  <1>[   36.899196] #PF: error_code(0x0001) - permissions violation

 4300 18:29:45.412796  <6>[   36.905707] PGD 80000001037e5067 P4D 80000001037e5067 PUD 1035cd067 PMD 103503067 PTE 10b1ca067

 4301 18:29:45.416245  <4>[   36.915718] Oops: 0001 [#12] SMP PTI

 4302 18:29:45.425986  <4>[   36.919989] CPU: 2 PID: 1791 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4303 18:29:45.432303  <4>[   36.928928] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4304 18:29:45.439310  <4>[   36.936026] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4305 18:29:45.458689  <4>[   36.942537] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 9e 9f 85 e8 d7 d7 fb ff 48 c7 c7 d0 9e 9f 85 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 be d7 fb ff 48 89 ee 48 c7 c7 f8 9e 9f

 4306 18:29:45.465300  <4>[   36.963809] RSP: 0018:ffffac1c02477e48 EFLAGS: 00010246

 4307 18:29:45.475639  <4>[   36.969933] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000

 4308 18:29:45.482499  <4>[   36.978185] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffffffff859f9ed0

 4309 18:29:45.491886  <4>[   36.986437] RBP: 00007f8363ac1000 R08: 0000000000000000 R09: 0000000000000000

 4310 18:29:45.498911  <4>[   36.994696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011

 4311 18:29:45.508375  <4>[   37.002957] R13: ffffac1c02477f10 R14: ffffac1c02477f10 R15: ffff97bcc3668000

 4312 18:29:45.515084  <4>[   37.011216] FS:  00007f8363a92580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 4313 18:29:45.521893  <4>[   37.020544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4314 18:29:45.531817  <4>[   37.027250] CR2: 00007f8363ac1000 CR3: 0000000102a8c001 CR4: 00000000003706e0

 4315 18:29:45.534709  <4>[   37.035508] Call Trace:

 4316 18:29:45.538398  <4>[   37.038527]  ? __die_body.cold+0x1a/0x1f

 4317 18:29:45.544704  <4>[   37.043196]  ? no_context+0x177/0x380

 4318 18:29:45.548045  <4>[   37.047574]  ? exc_page_fault+0x53/0x170

 4319 18:29:45.551290  <4>[   37.052243]  ? asm_exc_page_fault+0x1e/0x30

 4320 18:29:45.558123  <4>[   37.057206]  ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4321 18:29:45.564884  <4>[   37.063039]  ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3

 4322 18:29:45.567999  <4>[   37.068873]  direct_entry.cold+0x2c/0x38

 4323 18:29:45.574541  <4>[   37.073532]  full_proxy_write+0x53/0x80

 4324 18:29:45.577769  <4>[   37.078103]  vfs_write+0xe7/0x3b0

 4325 18:29:45.580947  <4>[   37.082092]  ksys_write+0x68/0xf0

 4326 18:29:45.587788  <4>[   37.086083]  do_syscall_64+0x30/0x40

 4327 18:29:45.591009  <4>[   37.090364]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4328 18:29:45.597297  <4>[   37.096294] RIP: 0033:0x7f83639a8473

 4329 18:29:45.617292  <4>[   37.100566] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4330 18:29:45.627331  <4>[   37.121839] RSP: 002b:00007ffc34378f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4331 18:29:45.633735  <4>[   37.130577] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f83639a8473

 4332 18:29:45.643598  <4>[   37.138838] RDX: 0000000000000011 RSI: 00007f836389c000 RDI: 0000000000000001

 4333 18:29:45.650354  <4>[   37.147097] RBP: 00007f836389c000 R08: 00007f836389b010 R09: 0000000000000000

 4334 18:29:45.660584  <4>[   37.155357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4335 18:29:45.667011  <4>[   37.163614] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4336 18:29:45.726200  buf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common<4>[   37.171878] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4337 18:29:45.729583  <4>[   37.230866] CR2: 00007f8363ac1000

 4338 18:29:45.736030  <4>[   37.234855] ---[ end trace c8f77ca8824754bf ]---

 4339 18:29:45.738762  <4>[   37.240301] RIP: 0010:lkdtm_BUG+0x5/0x10

 4340 18:29:45.762019  <4>[   37.244969] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 4341 18:29:45.768768  <4>[   37.266241] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 4342 18:29:45.774992  <4>[   37.272364] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 4343 18:29:45.784715  <4>[   37.280624] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 4344 18:29:45.791861  <4>[   37.288884] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 4345 18:29:45.802062  <4>[   37.297142] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4346 18:29:45.808401  <4>[   37.305410] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 4347 18:29:45.818405  <4>[   37.313671] FS:  00007f8363a92580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 4348 18:29:45.825024  <4>[   37.323000] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4349 18:29:45.834473  <4>[   37.329705] CR2: 00007f8363ac1000 CR3: 0000000102a8c001 CR4: 00000000003706e0

 4350 18:29:45.844660   snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4351 18:29:45.854121  # [   31.100889] CPU: 3 PID: 1032 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4352 18:29:45.860961  # [   31.109834] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4353 18:29:45.864342  # [   31.116936] RIP: 0010:native_write_cr4+0x45/0x60

 4354 18:29:45.887464  # [   31.122415] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f0 33 46 02 00 75 f2 48 c7 c7 28 73 8f 85 c6 05 e0 33 46 02 01 e8 a2 10 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 4355 18:29:45.893837  # [   31.143694] RSP: 0018:ffffac1c0191fe48 EFLAGS: 00010286

 4356 18:29:45.900506  # [   31.149823] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000

 4357 18:29:45.910247  # [   31.158086] RDX: ffff97bd3adac660 RSI: ffff97bd3ad9bf70 RDI: ffff97bd3ad9bf70

 4358 18:29:45.917283  # [   31.166365] RBP: ffffffff859f8e15 R08: 0000000000000000 R09: 0000000000000000

 4359 18:29:45.927258  # [   31.180842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4360 18:29:45.933214  # [   31.189110] R13: ffffac1c0191ff10 R14: ffffac1c0191ff10 R15: ffff97bcc5f7c000

 4361 18:29:45.943276  # [   31.203586] FS:  00007f1265170580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 4362 18:29:45.950204  # [   31.212918] CS:  0010 D<6>[   37.443903] lkdtm: Performing direct entry ACCESS_NULL

 4363 18:29:45.956895  <6>[   37.455926] lkdtm: attempting bad read at 0000000000000000

 4364 18:29:45.962866  S: 0000 ES: 0000 CR0: 0000000080050033

 4365 18:29:45.972879  # [   31.219629] CR2: 00<1>[   37.462364] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4366 18:29:45.979934  <1>[   37.476633] #PF: supervisor read access in kernel mode

 4367 18:29:45.982893  <1>[   37.482659] #PF: error_code(0x0000) - not-present page

 4368 18:29:45.986539  <6>[   37.488687] PGD 0 P4D 0 

 4369 18:29:45.993055  <4>[   37.491804] Oops: 0000 [#13] SMP PTI

 4370 18:29:45.999702  <4>[   37.496074] CPU: 2 PID: 1826 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4371 18:29:46.009729  <4>[   37.505007] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4372 18:29:46.012921  <4>[   37.512104] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 4373 18:29:46.036198  <4>[   37.517644] Code: 7b d7 fb ff be 00 10 00 00 48 89 ef e8 4d 96 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 9e 9f 85 e8 55 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 9e 9f 85 48 01

 4374 18:29:46.039433  <4>[   37.538916] RSP: 0018:ffffac1c024dfe58 EFLAGS: 00010246

 4375 18:29:46.049414  <4>[   37.545039] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 4376 18:29:46.055342  <4>[   37.553298] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 4377 18:29:46.065257  <4>[   37.561557] RBP: ffffffff859f8f99 R08: 0000000000000000 R09: 0000000000000000

 4378 18:29:46.075314  <4>[   37.569818] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4379 18:29:46.082303  <4>[   37.578079] R13: ffffac1c024dff10 R14: ffffac1c024dff10 R15: ffff97bcc6f5d000

 4380 18:29:46.092496  <4>[   37.586357] FS:  00007f1a51d62580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 4381 18:29:46.098563  <4>[   37.595676] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4382 18:29:46.105419  <4>[   37.602383] CR2: 0000000000000000 CR3: 0000000103646004 CR4: 00000000003706e0

 4383 18:29:46.107940  <4>[   37.610660] Call Trace:

 4384 18:29:46.114686  <4>[   37.613680]  ? __die_body.cold+0x1a/0x1f

 4385 18:29:46.118161  <4>[   37.618361]  ? no_context+0x177/0x380

 4386 18:29:46.124669  <4>[   37.622740]  ? exc_page_fault+0x53/0x170

 4387 18:29:46.128433  <4>[   37.627415]  ? asm_exc_page_fault+0x1e/0x30

 4388 18:29:46.131831  <4>[   37.632378]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4389 18:29:46.138472  <4>[   37.637240]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4390 18:29:46.141778  <4>[   37.642102]  direct_entry.cold+0x2c/0x38

 4391 18:29:46.147922  <4>[   37.646771]  full_proxy_write+0x53/0x80

 4392 18:29:46.150991  <4>[   37.651359]  vfs_write+0xe7/0x3b0

 4393 18:29:46.154147  <4>[   37.655360]  ksys_write+0x68/0xf0

 4394 18:29:46.160866  <4>[   37.659358]  do_syscall_64+0x30/0x40

 4395 18:29:46.164005  <4>[   37.663636]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4396 18:29:46.171129  <4>[   37.669565] RIP: 0033:0x7f1a51c78473

 4397 18:29:46.190462  <4>[   37.673843] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4398 18:29:46.200257  <4>[   37.695114] RSP: 002b:00007ffe849cd088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4399 18:29:46.206959  <4>[   37.703859] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1a51c78473

 4400 18:29:46.217326  <4>[   37.712118] RDX: 000000000000000c RSI: 00007f1a51b6c000 RDI: 0000000000000001

 4401 18:29:46.223698  <4>[   37.720377] RBP: 00007f1a51b6c000 R08: 00007f1a51b6b010 R09: 0000000000000000

 4402 18:29:46.233213  <4>[   37.728637] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4403 18:29:46.239926  <4>[   37.736896] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4404 18:29:46.246901  007f1264f7a000 CR3: 00000001030b0006 CR4: 00000000003706e0

 4405 18:29:46.299317  # [ <4>[   37.745158] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4406 18:29:46.303218  <4>[   37.804144] CR2: 0000000000000000

 4407 18:29:46.309337  <4>[   37.808131] ---[ end trace c8f77ca8824754c0 ]---

 4408 18:29:46.312506  <4>[   37.813575] RIP: 0010:lkdtm_BUG+0x5/0x10

 4409 18:29:46.335675  <4>[   37.818244] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 4410 18:29:46.342519  <4>[   37.839516] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 4411 18:29:46.349139  <4>[   37.845639] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 4412 18:29:46.358537  <4>[   37.853898] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 4413 18:29:46.365276  <4>[   37.862157] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 4414 18:29:46.374872  <4>[   37.870415] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4415 18:29:46.381292  <4>[   37.878673] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 4416 18:29:46.391403  <4>[   37.886933] FS:  00007f1a51d62580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 4417 18:29:46.397932  <4>[   37.896259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4418 18:29:46.407800  <4>[   37.902966] CR2: 0000000000000000 CR3: 0000000103646004 CR4: 00000000003706e0

 4419 18:29:46.408430    31.227892] Call Trace:

 4420 18:29:46.414745  # [   31.230918]  ? __warn+0x80/0x110

 4421 18:29:46.417493  # [   31.234842]  ? native_write_cr4+0x45/0x60

 4422 18:29:46.421044  # [   31.239613]  ? report_bug+0x9e/0xc0

 4423 18:29:46.424280  # [   31.243820]  ? handle_bug+0x41/0x90

 4424 18:29:46.431592  # [   31.248006]  ? exc_invalid_op+0x14/0x70

 4425 18:29:46.434042  # [   31.252580]  ? asm_exc_invalid_op+0x12/0x20

 4426 18:29:46.440655  # [   31.257550]  ? native_write_cr4+0x45/0x60

 4427 18:29:46.443999  # [   31.262363]  ? native_write_cr4+0x45/0x60

 4428 18:29:46.450734  # [   31.273369]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 4429 18:29:46.453792  # [   31.284743]  direct_entry.cold+0x2c/0x38

 4430 18:29:46.457000  # [   31.295636]  full_proxy_write+0x53/0x80

 4431 18:29:46.464090  # [   31.306423]  vfs_write+0xe7/0x3b0

 4432 18:29:46.467178  # [   31.316633]  ksys_write+0x68/0xf0

 4433 18:29:46.470265  # [   31.326841]  do_syscall_64+0x30/0x40

 4434 18:29:46.477166  # [   31.337338]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4435 18:29:46.480152  # [   31.349485] RIP: 0033:0x7f1265086473

 4436 18:29:46.506989  # [   31.359984] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2<6>[   38.002350] lkdtm: Performing direct entry WRITE_RO

 4437 18:29:46.513333  <6>[   38.010227] lkdtm: attempting bad rodata write at ffffffff8557ed50

 4438 18:29:46.519939  <1>[   38.017460] BUG: unable to handle page fault for address: ffffffff8557ed50

 4439 18:29:46.526696  <1>[   38.025435] #PF: supervisor write access in kernel mode

 4440 18:29:46.533391  <1>[   38.031560] #PF: error_code(0x0003) - permissions violation

 4441 18:29:46.543515  <6>[   38.038072] PGD 41c29067 P4D 41c29067 PUD 41c2a063 PMD 80000000414000e1 

 4442 18:29:46.546378  <4>[   38.045848] Oops: 0003 [#14] SMP PTI

 4443 18:29:46.556126  <4>[   38.050128] CPU: 2 PID: 1861 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4444 18:29:46.562906  <4>[   38.059059] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4445 18:29:46.565943  <4>[   38.066155] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 4446 18:29:46.589244  <4>[   38.071412] Code: 00 48 c7 c7 88 9d 9f 85 48 c7 c6 50 ed 57 85 e8 ff d9 fb ff 48 8b 05 b7 36 97 00 ba 34 12 cd ab 48 c7 c7 b8 9d 9f 85 48 31 d0 <48> 89 05 a1 36 97 00 e9 dd d9 fb ff 0f 1f 44 00 00 48 8b 05 70 2c

 4447 18:29:46.596033  <4>[   38.092686] RSP: 0018:ffffac1c0249fe60 EFLAGS: 00010202

 4448 18:29:46.602311  <4>[   38.098802] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 4449 18:29:46.612260  <4>[   38.107062] RDX: 00000000abcd1234 RSI: ffff97bd3ad1bf70 RDI: ffffffff859f9db8

 4450 18:29:46.619384  <4>[   38.115323] RBP: ffffffff859f8fa5 R08: 0000000000000000 R09: 0000000000000000

 4451 18:29:46.629307  <4>[   38.123585] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 4452 18:29:46.635833  <4>[   38.131846] R13: ffffac1c0249ff10 R14: ffffac1c0249ff10 R15: ffff97bcc31a4000

 4453 18:29:46.645647  <4>[   38.140106] FS:  00007f9ccc940580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 4454 18:29:46.651992  <4>[   38.149433] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4455 18:29:46.658443  <4>[   38.156137] CR2: ffffffff8557ed50 CR3: 000000010349e006 CR4: 00000000003706e0

 4456 18:29:46.661484  <4>[   38.164409] Call Trace:

 4457 18:29:46.668508  <4>[   38.167429]  ? __die_body.cold+0x1a/0x1f

 4458 18:29:46.671896  <4>[   38.172098]  ? no_context+0x177/0x380

 4459 18:29:46.677817  <4>[   38.176475]  ? exc_page_fault+0xd7/0x170

 4460 18:29:46.681347  <4>[   38.181143]  ? asm_exc_page_fault+0x1e/0x30

 4461 18:29:46.684644  <4>[   38.186105]  ? lkdtm_WRITE_RO+0x2e/0x3a

 4462 18:29:46.691465  <4>[   38.190674]  direct_entry.cold+0x2c/0x38

 4463 18:29:46.694511  <4>[   38.195360]  full_proxy_write+0x53/0x80

 4464 18:29:46.701067  <4>[   38.199932]  vfs_write+0xe7/0x3b0

 4465 18:29:46.704099  <4>[   38.203911]  ksys_write+0x68/0xf0

 4466 18:29:46.707338  <4>[   38.207900]  do_syscall_64+0x30/0x40

 4467 18:29:46.714431  <4>[   38.212179]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4468 18:29:46.717641  <4>[   38.218108] RIP: 0033:0x7f9ccc856473

 4469 18:29:46.740633  <4>[   38.222387] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4470 18:29:46.747498  <4>[   38.243658] RSP: 002b:00007ffd3954de98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4471 18:29:46.757061  <4>[   38.252409] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f9ccc856473

 4472 18:29:46.763601  <4>[   38.260667] RDX: 0000000000000009 RSI: 00007f9ccc74a000 RDI: 0000000000000001

 4473 18:29:46.773726  <4>[   38.268926] RBP: 00007f9ccc74a000 R08: 00007f9ccc749010 R09: 0000000000000000

 4474 18:29:46.779933  <4>[   38.277186] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4475 18:29:46.790046  <4>[   38.285446] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4476 18:29:46.790466  8 48 89 54 24 18

 4477 18:29:46.849605  # [   31.387473] RSP: 002b:00007fffd30e2a88 EF<4>[   38.293709] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4478 18:29:46.852642  <4>[   38.352696] CR2: ffffffff8557ed50

 4479 18:29:46.859067  <4>[   38.356684] ---[ end trace c8f77ca8824754c1 ]---

 4480 18:29:46.862607  <4>[   38.362129] RIP: 0010:lkdtm_BUG+0x5/0x10

 4481 18:29:46.882734  <4>[   38.366795] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 4482 18:29:46.889100  <4>[   38.388066] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 4483 18:29:46.899080  <4>[   38.394189] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 4484 18:29:46.905090  <4>[   38.402448] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 4485 18:29:46.915274  <4>[   38.410707] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 4486 18:29:46.921571  <4>[   38.418967] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4487 18:29:46.931676  <4>[   38.427227] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 4488 18:29:46.941879  <4>[   38.435486] FS:  00007f9ccc940580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 4489 18:29:46.948417  <4>[   38.444813] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4490 18:29:46.954748  <4>[   38.451520] CR2: ffffffff8557ed50 CR3: 000000010349e006 CR4: 00000000003706e0

 4491 18:29:46.965025  <3>[   38.459778] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4492 18:29:46.974348  <3>[   38.469979] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1861, name: cat

 4493 18:29:46.977842  <4>[   38.478723] INFO: lockdep is turned off.

 4494 18:29:46.981563  <4>[   38.483406] irq event stamp: 0

 4495 18:29:46.991041  <4>[   38.487102] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4496 18:29:47.000650  <4>[   38.494410] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4497 18:29:47.007736  <4>[   38.503837] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4498 18:29:47.017647  <4>[   38.513252] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4499 18:29:47.023849  <4>[   38.520539] CPU: 2 PID: 1861 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4500 18:29:47.030908  <4>[   38.529478] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4501 18:29:47.034030  <4>[   38.536571] Call Trace:

 4502 18:29:47.041127  <4>[   38.539590]  dump_stack+0x77/0x9b

 4503 18:29:47.043901  <4>[   38.543579]  ___might_sleep.cold+0xa6/0xb6

 4504 18:29:47.047242  <4>[   38.548442]  exit_signals+0x1c/0x300

 4505 18:29:47.053993  <4>[   38.552720]  do_exit+0xc2/0xab0

 4506 18:29:47.057108  <4>[   38.556515]  ? ksys_write+0x68/0xf0

 4507 18:29:47.060195  <4>[   38.560696]  make_task_dead+0x2f/0x30

 4508 18:29:47.067030  <4>[   38.565072]  rewind_stack_and_make_dead+0x17/0x20

 4509 18:29:47.069915  <4>[   38.570614] RIP: 0033:0x7f9ccc856473

 4510 18:29:47.093556  <4>[   38.574891] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4511 18:29:47.099836  <4>[   38.596163] RSP: 002b:00007ffd3954de98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4512 18:29:47.110273  <4>[   38.604900] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f9ccc856473

 4513 18:29:47.116477  <4>[   38.613159] RDX: 0000000000000009 RSI: 00007f9ccc74a000 RDI: 0000000000000001

 4514 18:29:47.126323  <4>[   38.621417] RBP: 00007f9ccc74a000 R08: 00007f9ccc749010 R09: 0000000000000000

 4515 18:29:47.133371  <4>[   38.629675] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4516 18:29:47.143238  <4>[   38.637935] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4517 18:29:47.146516  LAGS: 00000246 ORIG_RAX: 0000000000000001

 4518 18:29:47.153414  # [   31.402443] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f1265086473

 4519 18:29:47.162950  # [   31.416922] RDX: 000000000000000b RSI: 00007f1264f7a000 RDI: 0000000000000001

 4520 18:29:47.169749  # [   31.431404] RBP: 00007f1264f7a000 R08: 00007f1264f79010 R09: 0000000000000000

 4521 18:29:47.179606  # [   31.445881] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4522 18:29:47.186122  # [   31.454148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4523 18:29:47.189604  # [   31.468629] irq event stamp: 0

 4524 18:29:47.196244  # [   31.478542] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4525 18:29:47.206484  # [   31.492053] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4526 18:29:47.215717  # [   31.507702] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4527 18:29:47.222606  # [   31.523345] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4528 18:29:47.229050  # [   31.530642] ---[ end trace c8f77ca8824754b7 ]---

 4529 18:29:47.235766  # [   31.542302] lkdtm: ok: SMEP did not get cleared

 4530 18:29:47.239365  # [   31.553869] lkdtm: trying to clear SMEP with call gadget

 4531 18:29:47.245035  # [   31.566309] lkdtm: ok: SMEP removal was reverted

 4532 18:29:47.252155  # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok

 4533 18:29:47.261554  ok 14 selftests: lkdtm: UNSET_SMEP.<6>[   38.755170] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 4534 18:29:47.267843  <6>[   38.764933] lkdtm: attempting bad ro_after_init write at ffffffff85a7e330

 4535 18:29:47.267956  sh

 4536 18:29:47.270928  # selftests: lkdtm: DOUBLE_FAULT.sh

 4537 18:29:47.281161  # [   31.645077] lkdtm:<1>[   38.772824] BUG: unable to handle page fault for address: ffffffff85a7e330

 4538 18:29:47.287847  <1>[   38.786995] #PF: supervisor write access in kernel mode

 4539 18:29:47.294411  <1>[   38.793119] #PF: error_code(0x0003) - permissions violation

 4540 18:29:47.304651  <6>[   38.799631] PGD 41c29067 P4D 41c29067 PUD 41c2a063 PMD 1028da063 PTE 8000000041a7e061

 4541 18:29:47.307760  <4>[   38.808671] Oops: 0003 [#15] SMP PTI

 4542 18:29:47.317668  <4>[   38.812950] CPU: 3 PID: 1896 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4543 18:29:47.324047  <4>[   38.821887] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4544 18:29:47.331100  <4>[   38.828985] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 4545 18:29:47.350854  <4>[   38.835303] Code: 9d 9f 85 e9 b1 d9 fb ff 48 c7 c7 10 9e 9f 85 e8 a5 d9 fb ff 48 8b 05 3d 2c e7 00 ba 34 12 cd ab 48 c7 c7 b8 9d 9f 85 48 31 d0 <48> 89 05 27 2c e7 00 e9 83 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 4546 18:29:47.357439  <4>[   38.856572] RSP: 0018:ffffac1c025e7e60 EFLAGS: 00010202

 4547 18:29:47.367407  <4>[   38.862694] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 4548 18:29:47.374050  <4>[   38.870954] RDX: 00000000abcd1234 RSI: ffff97bd3ad9bf70 RDI: ffffffff859f9db8

 4549 18:29:47.383962  <4>[   38.879214] RBP: ffffffff859f8fae R08: 0000000000000000 R09: 0000000000000000

 4550 18:29:47.390263  <4>[   38.887471] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 4551 18:29:47.400299  <4>[   38.895730] R13: ffffac1c025e7f10 R14: ffffac1c025e7f10 R15: ffff97bcc2996000

 4552 18:29:47.410247  <4>[   38.903989] FS:  00007f656773b580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 4553 18:29:47.417120  <4>[   38.913316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4554 18:29:47.423586  <4>[   38.920022] CR2: ffffffff85a7e330 CR3: 00000001029ca004 CR4: 00000000003706e0

 4555 18:29:47.426465  <4>[   38.928283] Call Trace:

 4556 18:29:47.433307  <4>[   38.931302]  ? __die_body.cold+0x1a/0x1f

 4557 18:29:47.436505  <4>[   38.935972]  ? no_context+0x177/0x380

 4558 18:29:47.439663  <4>[   38.940360]  ? exc_page_fault+0xd7/0x170

 4559 18:29:47.446596  <4>[   38.945028]  ? asm_exc_page_fault+0x1e/0x30

 4560 18:29:47.449561  <4>[   38.949990]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 4561 18:29:47.456572  <4>[   38.955629]  direct_entry.cold+0x2c/0x38

 4562 18:29:47.459600  <4>[   38.960298]  full_proxy_write+0x53/0x80

 4563 18:29:47.463171  <4>[   38.964871]  vfs_write+0xe7/0x3b0

 4564 18:29:47.469524  <4>[   38.968861]  ksys_write+0x68/0xf0

 4565 18:29:47.473032  <4>[   38.972850]  do_syscall_64+0x30/0x40

 4566 18:29:47.480018  <4>[   38.977127]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4567 18:29:47.483086  <4>[   38.983057] RIP: 0033:0x7f6567651473

 4568 18:29:47.506033  <4>[   38.987356] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4569 18:29:47.512548  <4>[   39.008626] RSP: 002b:00007ffd7e726228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4570 18:29:47.522111  <4>[   39.017372] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f6567651473

 4571 18:29:47.528507  <4>[   39.025630] RDX: 0000000000000014 RSI: 00007f6567545000 RDI: 0000000000000001

 4572 18:29:47.539043  <4>[   39.033891] RBP: 00007f6567545000 R08: 00007f6567544010 R09: 0000000000000000

 4573 18:29:47.545002  <4>[   39.042151] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4574 18:29:47.554882  <4>[   39.050410] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4575 18:29:47.558085   Performing direct entry DOUBLE_FAULT

 4576 18:29:47.614611  # [   31.652505] lkdtm: X<4>[   39.058674] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4577 18:29:47.617915  <4>[   39.117661] CR2: ffffffff85a7e330

 4578 18:29:47.624168  <4>[   39.121648] ---[ end trace c8f77ca8824754c2 ]---

 4579 18:29:47.627479  <4>[   39.127093] RIP: 0010:lkdtm_BUG+0x5/0x10

 4580 18:29:47.647901  <4>[   39.131751] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 4581 18:29:47.653861  <4>[   39.153021] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 4582 18:29:47.663959  <4>[   39.159145] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 4583 18:29:47.670941  <4>[   39.167406] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 4584 18:29:47.680487  <4>[   39.175657] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 4585 18:29:47.687709  <4>[   39.183915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4586 18:29:47.697369  <4>[   39.192176] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 4587 18:29:47.707050  <4>[   39.200435] FS:  00007f656773b580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 4588 18:29:47.713399  <4>[   39.209764] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4589 18:29:47.719830  <4>[   39.216468] CR2: ffffffff85a7e330 CR3: 00000001029ca004 CR4: 00000000003706e0

 4590 18:29:47.723634  FAIL: this test is ia32-only

 4591 18:29:47.726658  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]

 4592 18:29:47.730135  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP

 4593 18:29:47.737180  # selftests: lkdtm: CORRUPT_PAC.sh

 4594 18:29:47.740143  # [   31.731820] lkdtm: Performing direct entry CORRUPT_PAC

 4595 18:29:47.746228  # [   31.738562] lkdtm: XFAIL: this test is arm64-only

 4596 18:29:47.749826  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 4597 18:29:47.753414  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 4598 18:29:47.759758  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 4599 18:29:47.766310  # [   31.805094] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 4600 18:29:47.776064  # [   31.813794] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 4601 18:29:47.779558  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 4602 18:29:47.786190  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 4603 18:29:47.789455  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 4604 18:29:47.796302  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 4605 18:29:47.802564  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 4606 18:29:47.805752  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 4607 18:29:47.809348  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 4608 18:29:47.815809  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 4609 18:29:47.819145  # selftests: lkdtm: READ_AFTER_FREE.sh

 4610 18:29:47.825726  # [   31.949311] lkdtm: Performing direct entry READ_AFTER_FREE

 4611 18:29:47.832656  <6>[   39.330218] lkdtm: Performing direct entry WRITE_KERN

 4612 18:29:47.838893  # [   31.958603] lkdtm: Value in memory before free: 12345678

 4613 18:29:47.845469  #<6>[   39.336373] lkdtm: attempting bad 6887363 byte write at ffffffff84c0b613

 4614 18:29:47.851915   [   31.971044] lkdtm: Attempting bad read from freed memory

 4615 18:29:47.858720  # <1>[   39.350373] BUG: unable to handle page fault for address: ffffffff84c0b613

 4616 18:29:47.865110  <1>[   39.364540] #PF: supervisor write access in kernel mode

 4617 18:29:47.872320  <1>[   39.370664] #PF: error_code(0x0003) - permissions violation

 4618 18:29:47.879258  <6>[   39.377175] PGD 41c29067 P4D 41c29067 PUD 41c2a063 PMD 40c000e1 

 4619 18:29:47.885347  <4>[   39.384176] Oops: 0003 [#16] SMP PTI

 4620 18:29:47.891988  <4>[   39.388457] CPU: 1 PID: 1931 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4621 18:29:47.901900  <4>[   39.397396] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4622 18:29:47.904907  [   31.983484] lkdtm: Memory was not poisoned

 4623 18:29:47.912405  # READ_AFTER_FREE<4>[   39.404514] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 4624 18:29:47.934888  <4>[   39.416167] Code: 53 48 c7 c3 13 b6 c0 84 49 89 dc 48 89 da 49 81 ec 50 9e 57 84 4c 89 e6 e8 58 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 50 9e 57 84 <f3> a4 48 c7 c7 b8 9d 9f 85 e8 3d d9 fb ff 5b 41 5c e9 b7 fe ff ff

 4625 18:29:47.937901  <4>[   39.437427] RSP: 0018:ffffac1c02687e50 EFLAGS: 00010246

 4626 18:29:47.948198  <4>[   39.443550] RAX: 000000000000003c RBX: ffffffff84c0b613 RCX: 00000000006917c3

 4627 18:29:47.954669  <4>[   39.451811] RDX: 0000000000000000 RSI: ffffffff84579e50 RDI: ffffffff84c0b613

 4628 18:29:47.964354  <4>[   39.460069] RBP: ffffffff859f8fc2 R08: 0000000000000000 R09: 0000000000000000

 4629 18:29:47.970880  <4>[   39.468329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006917c3

 4630 18:29:47.980529  <4>[   39.476613] R13: ffffac1c02687f10 R14: ffffac1c02687f10 R15: ffff97bcc371b000

 4631 18:29:47.990454  <4>[   39.484873] FS:  00007f041f2ac580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000

 4632 18:29:47.997346  <4>[   39.494200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4633 18:29:48.003731  <4>[   39.500905] CR2: ffffffff84c0b613 CR3: 00000001035ce004 CR4: 00000000003706e0

 4634 18:29:48.007737  <4>[   39.509165] Call Trace:

 4635 18:29:48.013639  <4>[   39.512184]  ? __die_body.cold+0x1a/0x1f

 4636 18:29:48.016739  : missing 'call trace:': [FAIL]

 4637 18:29:48.023231  not ok 20 selftests: lkdtm: REA<4>[   39.516855]  ? no_context+0x177/0x380

 4638 18:29:48.029951  <4>[   39.527443]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4639 18:29:48.030379  D_AFTER_FREE.sh # exit=1

 4640 18:29:48.040173  # selftests: lkdtm: WRITE_BUDDY_AFTER_<4>[   39.533181]  ? exc_page_fault+0xd7/0x170

 4641 18:29:48.043267  <4>[   39.544061]  ? asm_exc_page_fault+0x1e/0x30

 4642 18:29:48.050246  <4>[   39.549019]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4643 18:29:48.056472  <4>[   39.554757]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 4644 18:29:48.059658  <4>[   39.559910]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4645 18:29:48.066462  <4>[   39.565646]  ? lkdtm_WRITE_KERN+0x38/0x4e

 4646 18:29:48.069588  <4>[   39.570411]  direct_entry.cold+0x2c/0x38

 4647 18:29:48.076119  <4>[   39.575070]  full_proxy_write+0x53/0x80

 4648 18:29:48.076657  FREE.sh

 4649 18:29:48.086078  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on f<4>[   39.579643]  vfs_write+0xe7/0x3b0

 4650 18:29:48.089334  <4>[   39.589841]  ksys_write+0x68/0xf0

 4651 18:29:48.092875  <4>[   39.593831]  do_syscall_64+0x30/0x40

 4652 18:29:48.098909  <4>[   39.598109]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4653 18:29:48.102625  <4>[   39.604040] RIP: 0033:0x7f041f1c2473

 4654 18:29:48.125119  <4>[   39.608311] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4655 18:29:48.135339  <4>[   39.629583] RSP: 002b:00007ffdad18b998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4656 18:29:48.142298  <4>[   39.638328] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f041f1c2473

 4657 18:29:48.151950  <4>[   39.646613] RDX: 000000000000000b RSI: 00007f041f0b6000 RDI: 0000000000000001

 4658 18:29:48.158498  <4>[   39.654873] RBP: 00007f041f0b6000 R08: 00007f041f0b5010 R09: 0000000000000000

 4659 18:29:48.168332  <4>[   39.663133] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4660 18:29:48.175189  <4>[   39.671410] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4661 18:29:48.175605  ailure

 4662 18:29:48.234250  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP<4>[   39.679674] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4663 18:29:48.237756  <4>[   39.738625] CR2: ffffffff84c0b613

 4664 18:29:48.243531  <4>[   39.742604] ---[ end trace c8f77ca8824754c3 ]---

 4665 18:29:48.247108  <4>[   39.748039] RIP: 0010:lkdtm_BUG+0x5/0x10

 4666 18:29:48.270023  <4>[   39.752708] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 4667 18:29:48.276993  <4>[   39.773969] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 4668 18:29:48.283315  <4>[   39.780093] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 4669 18:29:48.292955  <4>[   39.788355] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 4670 18:29:48.299663  <4>[   39.796613] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 4671 18:29:48.310471  <4>[   39.804871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4672 18:29:48.316637  <4>[   39.813131] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 4673 18:29:48.326507  <4>[   39.821410] FS:  00007f041f2ac580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000

 4674 18:29:48.332674  <4>[   39.830736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4675 18:29:48.343251  <4>[   39.837441] CR2: ffffffff84c0b613 CR3: 00000001035ce004 CR4: 00000000003706e0

 4676 18:29:48.352614  <3>[   39.845700] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4677 18:29:48.359506  <3>[   39.855900] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1931, name: cat

 4678 18:29:48.366115  <4>[   39.864644] INFO: lockdep is turned off.

 4679 18:29:48.369332  <4>[   39.869310] irq event stamp: 0

 4680 18:29:48.375693  <4>[   39.873006] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4681 18:29:48.385352  <4>[   39.880294] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4682 18:29:48.395708  <4>[   39.889719] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4683 18:29:48.402050  <4>[   39.899144] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4684 18:29:48.412242  <4>[   39.906434] CPU: 1 PID: 1931 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4685 18:29:48.418751  <4>[   39.915374] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4686 18:29:48.421478  <4>[   39.922470] Call Trace:

 4687 18:29:48.425608  <4>[   39.925487]  dump_stack+0x77/0x9b

 4688 18:29:48.428529  <4>[   39.929476]  ___might_sleep.cold+0xa6/0xb6

 4689 18:29:48.434814  <4>[   39.934361]  exit_signals+0x1c/0x300

 4690 18:29:48.435329  

 4691 18:29:48.438409  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 4692 18:29:48.444508  # [   32.091231]<4>[   39.938643]  do_exit+0xc2/0xab0

 4693 18:29:48.448340  <4>[   39.948648]  ? ksys_write+0x68/0xf0

 4694 18:29:48.454985  <4>[   39.952821]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4695 18:29:48.458206  <4>[   39.958546]  make_task_dead+0x2f/0x30

 4696 18:29:48.465374  <4>[   39.962923]  rewind_stack_and_make_dead+0x17/0x20

 4697 18:29:48.468185  <4>[   39.968463] RIP: 0033:0x7f041f1c2473

 4698 18:29:48.491015  <4>[   39.972741] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4699 18:29:48.497605  <4>[   39.994011] RSP: 002b:00007ffdad18b998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4700 18:29:48.507498  <4>[   40.002755] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f041f1c2473

 4701 18:29:48.514434  <4>[   40.011013] RDX: 000000000000000b RSI: 00007f041f0b6000 RDI: 0000000000000001

 4702 18:29:48.523894  <4>[   40.019272] RBP: 00007f041f0b6000 R08: 00007f041f0b5010 R09: 0000000000000000

 4703 18:29:48.530616  <4>[   40.027531] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4704 18:29:48.540973  <4>[   40.035788] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4705 18:29:48.543692   lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 4706 18:29:48.550457  # [   32.101034] lkdtm: Value in memory before free: 12345678

 4707 18:29:48.557013  # [   32.113482] lkdtm: Attempting to read from freed memory

 4708 18:29:48.563464  # [   32.125833] lkdtm: Buddy page was not poisoned

 4709 18:29:48.566616  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 4710 18:29:48.573409  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 4711 18:29:48.576740  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 4712 18:29:48.583660  # [   32.204128] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 4713 18:29:48.589913  # [   32.212151] lkdtm: Attempting double slab free ...

 4714 18:29:48.593229  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]

 4715 18:29:48.599709  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 4716 18:29:48.603218  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 4717 18:29:48.609569  # [   32.290953] lkdtm: Performing direct entry SLAB_FREE_CROSS

 4718 18:29:48.616514  # [   32.298822] lkdtm: Attempting cross-cache slab free ...

 4719 18:29:48.623226  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 4720 18:29:48.625949  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 4721 18:29:48.629519  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 4722 18:29:48.635938  # [   32.378454] lkdtm: Performing direct entry SLAB_FREE_PAGE

 4723 18:29:48.642847  # [   32.385830] lkdtm: Attempting non-Slab slab free ...

 4724 18:29:48.646010  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 4725 18:29:48.652781  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 4726 18:29:48.655650  # selftests: lkdtm: SOFTLOCKUP.sh

 4727 18:29:48.659431  # Skipping SOFTLOCKUP: Hangs the system

 4728 18:29:48.672526  ok 26 selftests: lkdtm: SOFTLOCKUP.sh <6>[   40.162436] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 4729 18:29:48.673149  # SKIP

 4730 18:29:48.676421  # selftests: lkdtm: HARDLOCKUP.sh

 4731 18:29:48.685592  # Skipping HARDLOCKUP<6>[   40.175365] lkdtm: attempting good refcount_inc() without overflow

 4732 18:29:48.686027  : Hangs the system

 4733 18:29:48.695885  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP<6>[   40.188775] lkdtm: attempting bad refcount_inc() overflow

 4734 18:29:48.702035  <4>[   40.201310] ------------[ cut here ]------------

 4735 18:29:48.702461  

 4736 18:29:48.705461  # selftests: lkdtm: SPINLOCKUP.sh

 4737 18:29:48.715369  # Skipping SPINLOCKUP: Hang<4>[   40.206759] refcount_t: saturated; leaking memory.

 4738 18:29:48.715799  s the system

 4739 18:29:48.718852  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP

 4740 18:29:48.728644  # se<4>[   40.218642] WARNING: CPU: 1 PID: 1966 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 4741 18:29:48.732100  lftests: lkdtm: HUNG_TASK.sh

 4742 18:29:48.787981  # Skipping HUNG_TASK: Hangs the sy<4>[   40.234549] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4743 18:29:48.791279  stem

 4744 18:29:48.794736  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP

 4745 18:29:48.804512  # selftests: <4>[   40.293505] CPU: 1 PID: 1966 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4746 18:29:48.807316  lkdtm: EXEC_DATA.sh

 4747 18:29:48.807740  # Killed

 4748 18:29:48.817726  # [   32.566139] lkdtm: Performin<4>[   40.308661] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4749 18:29:48.821157  g direct entry EXEC_DATA

 4750 18:29:48.830944  # [   32.577720] lkdtm: attempting ok <4>[   40.321995] RIP: 0010:refcount_warn_saturate+0x51/0x110

 4751 18:29:48.834518  execution at ffffffff84579e50

 4752 18:29:48.856993  # [   32.584580] lkdtm: attemptin<4>[   40.334317] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 95 85 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95

 4753 18:29:48.860744  g bad execution at ffffffff8740ebe0

 4754 18:29:48.870742  # [   32.591502] kernel tri<4>[   40.361805] RSP: 0018:ffffac1c02707e48 EFLAGS: 00010286

 4755 18:29:48.876906  ed to execute NX-protected page - exploit attempt? (uid: 0)

 4756 18:29:48.883760  # [<4>[   40.374151] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 4757 18:29:48.893313  <4>[   40.388626] RDX: ffff97bd3acac660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70

 4758 18:29:48.906712     32.606358] BUG: unable to handle page fault for address: ffff<4>[   40.396892] RBP: ffffffff859f8fcd R08: 0000000000000000 R09: 0000000000000000

 4759 18:29:48.916482  <4>[   40.411365] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 4760 18:29:48.917075  ffff8740ebe0

 4761 18:29:48.929674  # [   32.614328] #PF: supervisor instruction fetch<4>[   40.419630] R13: ffffac1c02707f10 R14: ffffac1c02707f10 R15: ffff97bcc3449000

 4762 18:29:48.930150   in kernel mode

 4763 18:29:48.946297  # [   32.620935] #PF: error_code(0x0011) - perm<4>[   40.434103] FS:  00007fdd5fcb0580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000

 4764 18:29:48.952880  <4>[   40.449651] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4765 18:29:48.953392  issions violation

 4766 18:29:48.965828  # [   32.627448] PGD 41c29067 P4D 41c29067 PU<4>[   40.456361] CR2: 00007fdd5faba000 CR3: 00000001031ac006 CR4: 00000000003706e0

 4767 18:29:48.969470  <4>[   40.470832] Call Trace:

 4768 18:29:48.972199  D 41c2a063 PMD 80000000434000e3 

 4769 18:29:48.978976  # [   32.635226] Oops: 0011 [#<4>[   40.473876]  ? __warn+0x80/0x110

 4770 18:29:48.979284  5] SMP PTI

 4771 18:29:48.992508  # [   32.639421] CPU: 3 PID: 1539 Comm: cat Tainted:<4>[   40.483959]  ? refcount_warn_saturate+0x51/0x110

 4772 18:29:48.995569   G      D W         5.10.185-cip35 #1

 4773 18:29:49.002804  # [   32.648361] Hardware<4>[   40.495622]  ? report_bug+0x9e/0xc0

 4774 18:29:49.005401   name: Google Rammus/Rammus, BIOS  09/04/2020

 4775 18:29:49.012341  # [   32.655458] <4>[   40.506023]  ? handle_bug+0x41/0x90

 4776 18:29:49.015169  RIP: 0010:data_area+0x0/0x40

 4777 18:29:49.022114  # [   32.660125] Code: ff ff 00 b2<4>[   40.516420]  ? exc_invalid_op+0x14/0x70

 4778 18:29:49.035349   e2 c4 bc 97 ff ff 00 b1 e2 c4 bc 97 ff ff 00 00 00 00 00 00 00 <4>[   40.527210]  ? asm_exc_invalid_op+0x12/0x20

 4779 18:29:49.044709  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00<4>[   40.538405]  ? refcount_warn_saturate+0x51/0x110

 4780 18:29:49.051331   00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4781 18:29:49.058221  # [   32<4>[   40.550066]  ? refcount_warn_saturate+0x51/0x110

 4782 18:29:49.061137  .681418] RSP: 0018:ffffac1c020a7e48 EFLAGS: 00010246

 4783 18:29:49.068127  # [   32.6<4>[   40.561730]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 4784 18:29:49.081315  87542] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 00000000<4>[   40.573586]  direct_entry.cold+0x2c/0x38

 4785 18:29:49.081505  00000000

 4786 18:29:49.091301  # [   32.695802] RDX: 0000000000000000 RSI: ffff97bd3a<4>[   40.584480]  full_proxy_write+0x53/0x80

 4787 18:29:49.094687  d9bf70 RDI: ffff97bd3ad9bf70

 4788 18:29:49.101194  # [   32.704061] RBP: ffffffff8740<4>[   40.595265]  vfs_write+0xe7/0x3b0

 4789 18:29:49.104460  ebe0 R08: 0000000000000000 R09: 0000000000000000

 4790 18:29:49.110849  # [   32.71232<4>[   40.605469]  ksys_write+0x68/0xf0

 4791 18:29:49.120480  1] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000<4>[   40.615676]  do_syscall_64+0x30/0x40

 4792 18:29:49.120580  000a

 4793 18:29:49.133490  # [   32.720581] R13: ffffac1c020a7f10 R14: ffffac1c020a7f<4>[   40.626171]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4794 18:29:49.136710  10 R15: ffff97bcc6ca2000

 4795 18:29:49.143540  # [   32.728842] FS:  00007f416ae40580<4>[   40.638319] RIP: 0033:0x7fdd5fbc6473

 4796 18:29:49.150259  (0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 4797 18:29:49.169760  # [   3<4>[   40.648817] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4798 18:29:49.176391  2.738170] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4799 18:29:49.186282  # [<4>[   40.676306] RSP: 002b:00007ffe3a564978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4800 18:29:49.199598     32.744876] CR2: ffffffff8740ebe0 CR3: 0000000102a66005 CR4: 0<4>[   40.691271] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdd5fbc6473

 4801 18:29:49.202962  0000000003706e0

 4802 18:29:49.205983  # [   32.753135] Call Trace:

 4803 18:29:49.215634  # [   32.756155] <4>[   40.705749] RDX: 0000000000000016 RSI: 00007fdd5faba000 RDI: 0000000000000001

 4804 18:29:49.219400   ? __die_body.cold+0x1a/0x1f

 4805 18:29:49.229459  # [   32.760825]  ? no_context+0x1<4>[   40.720230] RBP: 00007fdd5faba000 R08: 00007fdd5fab9010 R09: 0000000000000000

 4806 18:29:49.232508  77/0x380

 4807 18:29:49.235679  # [   32.765205]  ? exc_page_fault+0xd7/0x170

 4808 18:29:49.245597  # [   3<4>[   40.734709] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4809 18:29:49.249293  2.769874]  ? asm_exc_page_fault+0x1e/0x30

 4810 18:29:49.258885  # [   32.774829]  ? e<4>[   40.749190] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4811 18:29:49.262255  xecute_location+0x45/0x56

 4812 18:29:49.268744  # [   32.779595]  ? direct_entry.cold<4>[   40.763670] irq event stamp: 0

 4813 18:29:49.268900  +0x2c/0x38

 4814 18:29:49.275108  # [   32.784449]  ? full_proxy_write+0x53/0x80

 4815 18:29:49.281791  # [ <4>[   40.773582] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4816 18:29:49.285318    32.789216]  ? vfs_write+0xe7/0x3b0

 4817 18:29:49.298042  # [   32.793401]  ? ksys_w<4>[   40.787090] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4818 18:29:49.298122  rite+0x68/0xf0

 4819 18:29:49.304837  # [   32.803797]  ? do_syscall_64+0x30/0x40

 4820 18:29:49.315057  # [<4>[   40.802733] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4821 18:29:49.318179     32.808271]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4822 18:29:49.328028  # [  <4>[   40.818401] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4823 18:29:49.338092   32.814403] Modules linked in: fuse ip_tables cros_ec_lid_angle <4>[   40.831907] ---[ end trace c8f77ca8824754c4 ]---

 4824 18:29:49.350873  cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buff<6>[   40.843570] lkdtm: Overflow detected: saturated

 4825 18:29:49.390681  er kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4826 18:29:49.393925  # [   32.873412] CR2: ffffffff8740ebe0

 4827 18:29:49.400702  # [   32.877414] ---[ end trace c8f77ca8824754b8 ]---

 4828 18:29:49.403665  # [   32.882859] RIP: 0010:lkdtm_BUG+0x5/0x10

 4829 18:29:49.424037  # [   32.887527] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 4830 18:29:49.430151  # [   32.908792] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 4831 18:29:49.440206  # [   32.914910] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 4832 18:29:49.449913  # [   32.923170] RDX: 0000000000000000 RSI: f<6>[   40.943398] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 4833 18:29:49.453192  fff97bd3ac9bf70 RDI: ffffffff8557e8d0

 4834 18:29:49.463387  # [   32.931429] RBP: fff<6>[   40.955379] lkdtm: attempting good refcount_add() without overflow

 4835 18:29:49.469933  fffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 4836 18:29:49.476401  # [  <6>[   40.968820] lkdtm: attempting bad refcount_add() overflow

 4837 18:29:49.489947   32.939688] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000<4>[   40.981355] ------------[ cut here ]------------

 4838 18:29:49.490105  0000000000004

 4839 18:29:49.499430  # [   32.947948] R13: ffffac1c01327f10 R14: ffffa<4>[   40.992979] refcount_t: saturated; leaking memory.

 4840 18:29:49.502996  c1c01327f10 R15: ffff97bcc6f45000

 4841 18:29:49.516505  # [   32.956210] FS:  00007f4<4>[   41.004877] WARNING: CPU: 0 PID: 1998 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 4842 18:29:49.574999  16ae40580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000<4>[   41.020819] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4843 18:29:49.575136  

 4844 18:29:49.592093  # [   32.965539] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005<4>[   41.079797] CPU: 0 PID: 1998 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4845 18:29:49.592181  0033

 4846 18:29:49.605244  # [   32.972247] CR2: ffffffff8740ebe0 CR3: 0000000102a660<4>[   41.094943] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4847 18:29:49.605342  05 CR4: 00000000003706e0

 4848 18:29:49.614943  # [   32.980506] BUG: sleeping functio<4>[   41.108257] RIP: 0010:refcount_warn_saturate+0x51/0x110

 4849 18:29:49.644757  n called from invalid context at include/linux/percpu-rwsem.h:49<4>[   41.120607] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 95 85 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95

 4850 18:29:49.644894  

 4851 18:29:49.654728  # [   32.990708] in_atomic(): 0, irqs_disabled(): 1, non_block<4>[   41.148095] RSP: 0018:ffffac1c0277fe48 EFLAGS: 00010286

 4852 18:29:49.658050  : 0, pid: 1539, name: cat

 4853 18:29:49.670922  # [   32.999455] INFO: lockdep is tur<4>[   41.160434] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 4854 18:29:49.671032  ned off.

 4855 18:29:49.673946  # [   33.004121] irq event stamp: 0

 4856 18:29:49.684033  # [   33.007819] <4>[   41.174918] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70

 4857 18:29:49.690327  hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4858 18:29:49.700232  # [   3<4>[   41.189431] RBP: ffffffff859f8fe3 R08: 0000000000000000 R09: 0000000000000000

 4859 18:29:49.713770  3.015103] hardirqs last disabled at (0): [<ffffffff83afd844>] co<4>[   41.203860] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 4860 18:29:49.716590  py_process+0x664/0x1c60

 4861 18:29:49.726841  # [   33.024531] softirqs last  enabled<4>[   41.218379] R13: ffffac1c0277ff10 R14: ffffac1c0277ff10 R15: ffff97bcc30a1000

 4862 18:29:49.733107   at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4863 18:29:49.743177  # [   3<4>[   41.232867] FS:  00007fde607d5580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 4864 18:29:49.756567  3.033949] softirqs last disabled at (0): [<0000000000000000>] 0x<4>[   41.248448] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4865 18:29:49.757138  0

 4866 18:29:49.769842  # [   33.041232] CPU: 3 PID: 1539 Comm: cat Tainted: G      D<4>[   41.261453] CR2: 00007fde605df000 CR3: 00000001030a8006 CR4: 00000000003706f0

 4867 18:29:49.773404   W         5.10.185-cip35 #1

 4868 18:29:49.779795  # [   33.050165] Hardware name: Go<4>[   41.275883] Call Trace:

 4869 18:29:49.783225  ogle Rammus/Rammus, BIOS  09/04/2020

 4870 18:29:49.789782  # [   33.057261] Call Trac<4>[   41.285192]  ? __warn+0x80/0x110

 4871 18:29:49.790375  e:

 4872 18:29:49.796737  # [   33.060278]  dump_stack+0x77/0x9b

 4873 18:29:49.802600  # [   33.064268]  __<4>[   41.295257]  ? refcount_warn_saturate+0x51/0x110

 4874 18:29:49.806065  _might_sleep.cold+0xa6/0xb6

 4875 18:29:49.813061  # [   33.069132]  exit_signals+0x1c<4>[   41.307020]  ? report_bug+0x9e/0xc0

 4876 18:29:49.813476  /0x300

 4877 18:29:49.816001  # [   33.073412]  do_exit+0xc2/0xab0

 4878 18:29:49.822578  # [   33.077206]  <4>[   41.317351]  ? handle_bug+0x41/0x90

 4879 18:29:49.826096  ? ksys_write+0x68/0xf0

 4880 18:29:49.832196  # [   33.081401]  make_task_dead+0x2f/0x<4>[   41.327757]  ? exc_invalid_op+0x14/0x70

 4881 18:29:49.835771  30

 4882 18:29:49.839199  # [   33.085779]  rewind_stack_and_make_dead+0x17/0x20

 4883 18:29:49.845864  # [ <4>[   41.338540]  ? asm_exc_invalid_op+0x12/0x20

 4884 18:29:49.848934    33.091321] RIP: 0033:0x7f416ad56473

 4885 18:29:49.855316  # [   33.095599] Code: 8b<4>[   41.349737]  ? refcount_warn_saturate+0x51/0x110

 4886 18:29:49.868918   15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f <4>[   41.361396]  ? refcount_warn_saturate+0x51/0x110

 4887 18:29:49.882365  00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48><4>[   41.373054]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 4888 18:29:49.885143   3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4889 18:29:49.892020  <4>[   41.384889]  direct_entry.cold+0x2c/0x38

 4890 18:29:49.892450  

 4891 18:29:49.902123  # [   33.116872] RSP: 002b:00007ffe2029a278 EFLAGS: 00000246 OR<4>[   41.395770]  full_proxy_write+0x53/0x80

 4892 18:29:49.905439  IG_RAX: 0000000000000001

 4893 18:29:49.912087  # [   33.125620] RAX: ffffffffffffffda<4>[   41.406568]  vfs_write+0xe7/0x3b0

 4894 18:29:49.918510   RBX: 000000000000000a RCX: 00007f416ad56473

 4895 18:29:49.921785  # [   33.133880] R<4>[   41.416804]  ksys_write+0x68/0xf0

 4896 18:29:49.934619  DX: 000000000000000a RSI: 00007f416ac4a000 RDI: 0000000000000001<4>[   41.427004]  do_syscall_64+0x30/0x40

 4897 18:29:49.935162  

 4898 18:29:49.944680  # [   33.142140] RBP: 00007f416ac4a000 R08: 00007f416ac49010 R<4>[   41.437497]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4899 18:29:49.947634  09: 0000000000000000

 4900 18:29:49.954764  # [   33.150404] R10: fffffffffffffbc5 R11<4>[   41.449651] RIP: 0033:0x7fde606eb473

 4901 18:29:49.960775  : 0000000000000246 R12: 0000000000000001

 4902 18:29:49.984070  # [   33.158664] R13: <4>[   41.460107] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4903 18:29:49.990782  0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4904 18:29:49.997296  # <4>[   41.487646] RSP: 002b:00007ffea77fd118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4905 18:29:50.000277  EXEC_DATA: saw 'call trace:': ok

 4906 18:29:50.013509  ok 30 selftests: lkdtm: EXEC_D<4>[   41.502628] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fde606eb473

 4907 18:29:50.014016  ATA.sh

 4908 18:29:50.017052  # selftests: lkdtm: EXEC_STACK.sh

 4909 18:29:50.017576  # Killed

 4910 18:29:50.026775  # [   33.25<4>[   41.517111] RDX: 0000000000000016 RSI: 00007fde605df000 RDI: 0000000000000001

 4911 18:29:50.033300  1033] lkdtm: Performing direct entry EXEC_STACK

 4912 18:29:50.039823  # [   33.259917<4>[   41.531544] RBP: 00007fde605df000 R08: 00007fde605de010 R09: 0000000000000000

 4913 18:29:50.046728  ] lkdtm: attempting ok execution at ffffffff84579e50

 4914 18:29:50.057024  # [   33.2<4>[   41.546063] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4915 18:29:50.063239  72968] lkdtm: attempting bad execution at ffffac1c02127e18

 4916 18:29:50.070050  # [ <4>[   41.560527] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4917 18:29:50.079843    33.286085] kernel tried to execute NX-protected page - exploit<4>[   41.575050] irq event stamp: 0

 4918 18:29:50.083031   attempt? (uid: 0)

 4919 18:29:50.093212  # [   33.300913] BUG: unable to handle page <4>[   41.584923] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4920 18:29:50.096332  fault for address: ffffac1c02127e18

 4921 18:29:50.109235  # [   33.308882] #PF: super<4>[   41.598464] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4922 18:29:50.112695  visor instruction fetch in kernel mode

 4923 18:29:50.125635  # [   33.315492] #PF: er<4>[   41.614111] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 4924 18:29:50.128948  ror_code(0x0011) - permissions violation

 4925 18:29:50.139243  # [   33.322005] PGD 1<4>[   41.629775] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4926 18:29:50.152253  00000067 P4D 100000067 PUD 100231067 PMD 1030d4067 PTE 800000010<4>[   41.643290] ---[ end trace c8f77ca8824754c5 ]---

 4927 18:29:50.152691  29cd063

 4928 18:29:50.155522  # [   33.331356] Oops: 0011 [#6] SMP PTI

 4929 18:29:50.161868  # [   33.3355<6>[   41.654969] lkdtm: Overflow detected: saturated

 4930 18:29:50.168667  40] CPU: 0 PID: 1575 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4931 18:29:50.175362  # [   33.344479] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4932 18:29:50.182044  # [   33.351577] RIP: 0010:0xffffac1c02127e18

 4933 18:29:50.202366  # [   33.356245] Code: 00 00 18 7e 12 02 1c ac ff ff 69 b6 c0 84 ff ff ff ff 20 00 00 00 00 00 00 00 3e 8f 9f 85 ff ff ff ff 98 b7 c0 84 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4934 18:29:50.208410  # [   33.377519] RSP: 0018:ffffac1c02127df8 EFLAGS: 00010246

 4935 18:29:50.217851  # [   33.383645] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4936 18:29:50.224511  # [   33.391907] RDX: 0000000000000000 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70

 4937 18:29:50.231397  # [   33.400167] RBP: ffffac1c02127e18 R08: 0000000000000000 R09: 0000000000000000

 4938 18:29:50.240881  # [   33.408428] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4939 18:29:50.247927  # [   33.416689] R13: ffffac1c02127f10 R14: ffffac1c02127f10 R15: ffff97bcc2f09000

 4940 18:29:50.257619  # [   33.424952] FS:  00007fa5694f1580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 4941 18:29:50.264211  # [   33.434280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4942 18:29:50.274146  # [   33.440987] CR2: ffffac<6>[   41.768047] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 4943 18:29:50.280963  1c02127e18 CR3: 0000000103452002 CR4: 00000000003706f0

 4944 18:29:50.287553  # [   33<6>[   41.780028] lkdtm: attempting bad refcount_inc_not_zero() overflow

 4945 18:29:50.290461  .449248] Call Trace:

 4946 18:29:50.300866  # [   33.452267]  ? __die_body.cold+0x1a/0<4>[   41.793442] ------------[ cut here ]------------

 4947 18:29:50.301303  x1f

 4948 18:29:50.304093  # [   33.456943]  ? no_context+0x177/0x380

 4949 18:29:50.313674  # [   33.461324<4>[   41.805106] refcount_t: saturated; leaking memory.

 4950 18:29:50.317095  ]  ? exc_page_fault+0xd7/0x170

 4951 18:29:50.327334  # [   33.466022]  ? asm_exc_page<4>[   41.816997] WARNING: CPU: 1 PID: 2030 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 4952 18:29:50.330159  _fault+0x1e/0x30

 4953 18:29:50.386094  # [   33.470986]  ? execute_location+0x45/0x56<4>[   41.832901] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4954 18:29:50.386591  

 4955 18:29:50.393090  # [   33.475757]  ? lkdtm_EXEC_STACK+0x26/0x44

 4956 18:29:50.402993  # [   33.48051<4>[   41.891874] CPU: 1 PID: 2030 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 4957 18:29:50.405977  4]  ? direct_entry.cold+0x2c/0x38

 4958 18:29:50.415864  # [   33.485394]  ? full_prox<4>[   41.907030] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4959 18:29:50.419009  y_write+0x53/0x80

 4960 18:29:50.422484  # [   33.490153]  ? vfs_write+0xe7/0x3b0

 4961 18:29:50.428863  # [<4>[   41.920325] RIP: 0010:refcount_warn_saturate+0x97/0x110

 4962 18:29:50.432356     33.494329]  ? ksys_write+0x68/0xf0

 4963 18:29:50.455582  # [   33.498538]  ? do_sy<4>[   41.932661] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 85 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95

 4964 18:29:50.458888  scall_64+0x30/0x40

 4965 18:29:50.468676  # [   33.503013]  ? entry_SYSCALL_64_after_h<4>[   41.960154] RSP: 0018:ffffac1c02837e38 EFLAGS: 00010282

 4966 18:29:50.469257  wframe+0x61/0xc6

 4967 18:29:50.481791  # [   33.509140] Modules linked in: fuse ip_ta<4>[   41.972497] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 4968 18:29:50.498092  bles cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indu<4>[   41.986977] RDX: ffff97bd3acac660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70

 4969 18:29:50.511379  strialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 <4>[   42.001456] RBP: ffffffff859f8c20 R08: 0000000000000000 R09: 0000000000000000

 4970 18:29:50.524545  cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_us<4>[   42.015935] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 4971 18:29:50.541243  bpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core vide<4>[   42.030413] R13: ffffac1c02837f10 R14: ffffac1c02837f10 R15: ffff97bcc3543000

 4972 18:29:50.557846  obuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress vide<4>[   42.044893] FS:  00007fb637d3a580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000

 4973 18:29:50.567828  obuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_commo<4>[   42.060440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4974 18:29:50.583845  n snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeo<4>[   42.073367] CR2: 00007fb637b44000 CR3: 00000001029cc003 CR4: 00000000003706e0

 4975 18:29:50.587619  <4>[   42.087843] Call Trace:

 4976 18:29:50.590442  s_pstore cros_kbd_led_backlight coreboot_table

 4977 18:29:50.597312  # [   33.561914]<4>[   42.090885]  ? __warn+0x80/0x110

 4978 18:29:50.600349  <4>[   42.100969]  ? refcount_warn_saturate+0x97/0x110

 4979 18:29:50.603775   CR2: ffffac1c02127e18

 4980 18:29:50.613797  # [   33.565893] ---[ end trace c8f77ca8<4>[   42.106419]  ? report_bug+0x9e/0xc0

 4981 18:29:50.614368  824754b9 ]---

 4982 18:29:50.616984  # [   33.571359] RIP: 0010:lkdtm_BUG+0x5/0x10

 4983 18:29:50.623318  # <4>[   42.116815]  ? handle_bug+0x41/0x90

 4984 18:29:50.627113  <4>[   42.127215]  ? exc_invalid_op+0x14/0x70

 4985 18:29:50.639755  [   33.576028] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff e<4>[   42.131794]  ? asm_exc_invalid_op+0x12/0x20

 4986 18:29:50.650260  b de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb<4>[   42.142966]  ? refcount_warn_saturate+0x97/0x110

 4987 18:29:50.656675  <4>[   42.154651]  ? refcount_warn_saturate+0x97/0x110

 4988 18:29:50.669633   c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 0<4>[   42.160100]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 4989 18:29:50.670108  0 00 83 05 10 51 e9 02

 4990 18:29:50.679900  # [   33.597303] RSP: 0018:ffffac1c01327<4>[   42.172727]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 4991 18:29:50.682869  e60 EFLAGS: 00010282

 4992 18:29:50.692516  # [   33.603418] RAX: ffffffff84579a80 RBX<4>[   42.185458]  direct_entry.cold+0x2c/0x38

 4993 18:29:50.695822  : 0000000000000001 RCX: 0000000000000000

 4994 18:29:50.702849  # [   33.611679] RDX: <4>[   42.196363]  full_proxy_write+0x53/0x80

 4995 18:29:50.709342  0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 4996 18:29:50.712454  # <4>[   42.207153]  vfs_write+0xe7/0x3b0

 4997 18:29:50.722607  [   33.619939] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: <4>[   42.217363]  ksys_write+0x68/0xf0

 4998 18:29:50.725365  0000000000000001

 4999 18:29:50.732538  # [   33.628199] R10: 00000000ffffe000 R11: 3f<4>[   42.227570]  do_syscall_64+0x30/0x40

 5000 18:29:50.738660  <4>[   42.238067]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5001 18:29:50.741972  ffffffffffffff R12: 0000000000000004

 5002 18:29:50.748229  # [   33.636459] R13: ffff<4>[   42.244004] RIP: 0033:0x7fb637c50473

 5003 18:29:50.772200  <4>[   42.254496] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5004 18:29:50.778357  ac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 5005 18:29:50.784974  # [   <4>[   42.275773] RSP: 002b:00007ffeb8c06c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5006 18:29:50.794819  <4>[   42.290734] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb637c50473

 5007 18:29:50.807795  33.644721] FS:  00007fa5694f1580(0000) GS:ffff97bd3ac00000(0000)<4>[   42.298999] RDX: 000000000000001f RSI: 00007fb637b44000 RDI: 0000000000000001

 5008 18:29:50.818272  <4>[   42.313471] RBP: 00007fb637b44000 R08: 00007fb637b43010 R09: 0000000000000000

 5009 18:29:50.821310   knlGS:0000000000000000

 5010 18:29:50.831446  # [   33.654049] CS:  0010 DS: 0000 ES:<4>[   42.321738] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5011 18:29:50.840990  <4>[   42.336210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5012 18:29:50.844040   0000 CR0: 0000000080050033

 5013 18:29:50.850894  # [   33.660755] CR2: ffffac1c02127<4>[   42.344481] irq event stamp: 0

 5014 18:29:50.854054  e18 CR3: 0000000103452002 CR4: 00000000003706f0

 5015 18:29:50.864244  # EXEC_STACK: s<4>[   42.354403] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5016 18:29:50.867762  aw 'call trace:': ok

 5017 18:29:50.870360  ok 31 selftests: lkdtm: EXEC_STACK.sh

 5018 18:29:50.880743  # s<4>[   42.367916] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5019 18:29:50.883985  elftests: lkdtm: EXEC_KMALLOC.sh

 5020 18:29:50.884458  # Killed

 5021 18:29:50.893213  # [   33.749755] lkd<4>[   42.383559] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5022 18:29:50.900255  tm: Performing direct entry EXEC_KMALLOC

 5023 18:29:50.906875  # [   33.762179] lkdtm<4>[   42.399201] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5024 18:29:50.913224  : attempting ok execution at ffffffff84579e50

 5025 18:29:50.919849  # [   33.769020] <4>[   42.412708] ---[ end trace c8f77ca8824754c6 ]---

 5026 18:29:50.926356  lkdtm: attempting bad execution at ffff97bcc2b14240

 5027 18:29:50.932997  # [   33.78<6>[   42.424372] lkdtm: Overflow detected: saturated

 5028 18:29:50.939770  2133] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 5029 18:29:50.946092  # [   33.790807] BUG: unable to handle page fault for address: ffff97bcc2b14240

 5030 18:29:50.953160  # [   33.804991] #PF: supervisor instruction fetch in kernel mode

 5031 18:29:50.960033  # [   33.811601] #PF: error_code(0x0011) - permissions violation

 5032 18:29:50.969186  # [   33.818113] PGD 43601067 P4D 43601067 PUD 100870063 PMD 102715063 PTE 8000000102b14063

 5033 18:29:50.972853  # [   33.827251] Oops: 0011 [#7] SMP PTI

 5034 18:29:50.982539  # [   33.831434] CPU: 2 PID: 1612 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 5035 18:29:50.989363  # [   33.840375] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5036 18:29:50.992148  # [   33.847471] RIP: 0010:0xffff97bcc2b14240

 5037 18:29:51.015111  # [   33.852140] Code: 00 00 02 00 00 00 00 00 00 00 00 44 b1 c2 bc 97 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef af 83 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 5038 18:29:51.018488  # [   33.873416] RSP: 0018:ffffac1c021afe38 EFLAGS: 00010246

 5039 18:29:51.028563  # [   33.879540] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 5040 18:29:51.034989  # [   33.887799] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 5041 18:29:51.044591  # [ <6>[   42.540600] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 5042 18:29:51.051158  <6>[   42.549468] lkdtm: attempting bad refcount_add_not_zero() overflow

 5043 18:29:51.057852  <4>[   42.556666] ------------[ cut here ]------------

 5044 18:29:51.067858    33.896059] RBP: ffff97bcc2b14240 R08: 0000000000000000 R09: 00<4>[   42.562143] refcount_t: saturated; leaking memory.

 5045 18:29:51.077723  <4>[   42.574029] WARNING: CPU: 3 PID: 2062 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5046 18:29:51.081189  00000000000000

 5047 18:29:51.137181  # [   33.904318] R10: 00000000ffffe000 R11: 3fff<4>[   42.583753] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5048 18:29:51.147163  <4>[   42.642704] CPU: 3 PID: 2062 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 5049 18:29:51.153808  <4>[   42.651673] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5050 18:29:51.160210  <4>[   42.658799] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5051 18:29:51.179583  <4>[   42.664952] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 85 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95

 5052 18:29:51.186372  <4>[   42.686228] RSP: 0018:ffffac1c028bfe38 EFLAGS: 00010282

 5053 18:29:51.189521  ffffffffffff R12: 000000000000000d

 5054 18:29:51.202658  # [   33.912579] R13: ffffac<4>[   42.692359] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5055 18:29:51.209965  <4>[   42.706836] RDX: ffff97bd3adac660 RSI: ffff97bd3ad9bf70 RDI: ffff97bd3ad9bf70

 5056 18:29:51.219115  <4>[   42.715097] RBP: ffffffff859f8c40 R08: 0000000000000000 R09: 0000000000000000

 5057 18:29:51.225999  <4>[   42.723361] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5058 18:29:51.235982  <4>[   42.731624] R13: ffffac1c028bff10 R14: ffffac1c028bff10 R15: ffff97bcc36d3000

 5059 18:29:51.245987  <4>[   42.739887] FS:  00007f10c25c8580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 5060 18:29:51.252439  <4>[   42.749217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5061 18:29:51.258952  <4>[   42.755926] CR2: 00007f10c23d2000 CR3: 0000000102f74005 CR4: 00000000003706e0

 5062 18:29:51.261923  <4>[   42.764186] Call Trace:

 5063 18:29:51.265923  <4>[   42.767227]  ? __warn+0x80/0x110

 5064 18:29:51.272269  1c021aff10 R14: ffffac1c021aff10 R15: ffff97bcc2f4d000

 5065 18:29:51.278901  # [   33<4>[   42.771130]  ? refcount_warn_saturate+0x97/0x110

 5066 18:29:51.281816  <4>[   42.782788]  ? report_bug+0x9e/0xc0

 5067 18:29:51.285372  <4>[   42.786975]  ? handle_bug+0x41/0x90

 5068 18:29:51.292278  <4>[   42.791162]  ? exc_invalid_op+0x14/0x70

 5069 18:29:51.295069  <4>[   42.795760]  ? asm_exc_invalid_op+0x12/0x20

 5070 18:29:51.301504  <4>[   42.800724]  ? refcount_warn_saturate+0x97/0x110

 5071 18:29:51.308509  <4>[   42.806193]  ? refcount_warn_saturate+0x97/0x110

 5072 18:29:51.314965  <4>[   42.811640]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5073 18:29:51.321134  <4>[   42.818059]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 5074 18:29:51.324834  <4>[   42.824575]  direct_entry.cold+0x2c/0x38

 5075 18:29:51.328048  <4>[   42.829247]  full_proxy_write+0x53/0x80

 5076 18:29:51.334803  <4>[   42.833820]  vfs_write+0xe7/0x3b0

 5077 18:29:51.337829  <4>[   42.837811]  ksys_write+0x68/0xf0

 5078 18:29:51.340919  <4>[   42.841803]  do_syscall_64+0x30/0x40

 5079 18:29:51.347934  <4>[   42.846087]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5080 18:29:51.350918  <4>[   42.852020] RIP: 0033:0x7f10c24de473

 5081 18:29:51.374431  <4>[   42.856301] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5082 18:29:51.380554  <4>[   42.877575] RSP: 002b:00007ffd2011bdf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5083 18:29:51.390975  <4>[   42.886325] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f10c24de473

 5084 18:29:51.397282  <4>[   42.894587] RDX: 000000000000001f RSI: 00007f10c23d2000 RDI: 0000000000000001

 5085 18:29:51.407026  <4>[   42.902848] RBP: 00007f10c23d2000 R08: 00007f10c23d1010 R09: 0000000000000000

 5086 18:29:51.413393  <4>[   42.911113] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5087 18:29:51.423162  <4>[   42.919406] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5088 18:29:51.426843  <4>[   42.927673] irq event stamp: 0

 5089 18:29:51.440041  .920840] FS:  00007f50ecc47580(0000) GS:ffff97bd3ad00000(0000) k<4>[   42.931398] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5090 18:29:51.449532  <4>[   42.944905] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5091 18:29:51.459239  <4>[   42.954349] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5092 18:29:51.462848  nlGS:0000000000000000

 5093 18:29:51.472948  # [   33.930168] CS:  0010 DS: 0000 ES: 0<4>[   42.963785] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5094 18:29:51.479531  <4>[   42.977289] ---[ end trace c8f77ca8824754c7 ]---

 5095 18:29:51.482556  <6>[   42.982735] lkdtm: Overflow detected: saturated

 5096 18:29:51.485856  000 CR0: 0000000080050033

 5097 18:29:51.492243  # [   33.936875] CR2: ffff97bcc2b14240 CR3: 000000010345a001 CR4: 00000000003706e0

 5098 18:29:51.495769  # [   33.945134] Call Trace:

 5099 18:29:51.502560  # [   33.948155]  ? __die_body.cold+0x1a/0x1f

 5100 18:29:51.505422  # [   33.952824]  ? no_context+0x177/0x380

 5101 18:29:51.508763  # [   33.957202]  ? exc_page_fault+0xd7/0x170

 5102 18:29:51.515306  # [   33.961872]  ? asm_exc_page_fault+0x1e/0x30

 5103 18:29:51.518651  # [   33.973048]  ? execute_location+0x45/0x56

 5104 18:29:51.525518  # [   33.977814]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 5105 18:29:51.528983  # [   33.982774]  ? direct_entry.cold+0x2c/0x38

 5106 18:29:51.535197  # [   33.987629]  ? full_proxy_write+0x53/0x80

 5107 18:29:51.538657  # [   33.992410]  ? vfs_write+0xe7/0x3b0

 5108 18:29:51.541991  # [   33.996593]  ? ksys_write+0x68/0xf0

 5109 18:29:51.545609  # [   34.000778]  ? do_syscall_64+0x30/0x40

 5110 18:29:51.552040  # [   34.005251]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5111 18:29:51.587892  # [   34.011379] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_m<6>[   43.081753] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 5112 18:29:51.601364  emops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v<6>[   43.094172] lkdtm: attempting good refcount_dec()

 5113 18:29:51.614606  4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_p<6>[   43.105933] lkdtm: attempting bad refcount_dec() to zero

 5114 18:29:51.624213  cm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstor<4>[   43.118369] ------------[ cut here ]------------

 5115 18:29:51.627590  e cros_kbd_led_backlight coreboot_table

 5116 18:29:51.637628  # [   34.064179] CR2: f<4>[   43.130030] refcount_t: decrement hit 0; leaking memory.

 5117 18:29:51.641201  fff97bcc2b14240

 5118 18:29:51.654203  # [   34.074382] ---[ end trace c8f77ca8824754b<4>[   43.142499] WARNING: CPU: 1 PID: 2094 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5119 18:29:51.654292  a ]---

 5120 18:29:51.660697  # [   34.079848] RIP: 0010:lkdtm_BUG+0x5/0x10

 5121 18:29:51.713062  # [   34.<4>[   43.158429] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5122 18:29:51.722983  <4>[   43.217399] CPU: 1 PID: 2094 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 5123 18:29:51.736512  084517] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48<4>[   43.226375] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5124 18:29:51.746243   c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f <4>[   43.239689] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5125 18:29:51.769400  <4>[   43.252031] Code: c0 3f 95 85 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 95 85 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5126 18:29:51.779373  1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83<4>[   43.273349] RSP: 0018:ffffac1c02947e48 EFLAGS: 00010286

 5127 18:29:51.782371   05 10 51 e9 02

 5128 18:29:51.796002  # [   34.105780] RSP: 0018:ffffac1c01327e60 EFL<4>[   43.285692] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 5129 18:29:51.796087  AGS: 00010282

 5130 18:29:51.809076  # [   34.111904] RAX: ffffffff84579a80 RBX: 00000<4>[   43.300170] RDX: ffff97bd3acac660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70

 5131 18:29:51.812433  00000000001 RCX: 0000000000000000

 5132 18:29:51.825527  # [   34.120164] RDX: 0000000<4>[   43.314625] RBP: ffffffff859f8ff9 R08: 0000000000000000 R09: 0000000000000000

 5133 18:29:51.832222  <4>[   43.329103] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5134 18:29:51.839052  000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 5135 18:29:51.848552  # [   34.<4>[   43.337368] R13: ffffac1c02947f10 R14: ffffac1c02947f10 R15: ffff97bcc36a2000

 5136 18:29:51.855045  <4>[   43.351841] FS:  00007f17258de580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000

 5137 18:29:51.868261  128422] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000<4>[   43.361198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5138 18:29:51.878475  <4>[   43.374116] CR2: 00007f17256e8000 CR3: 0000000103740006 CR4: 00000000003706e0

 5139 18:29:51.878562  000000001

 5140 18:29:51.888344  # [   34.136681] R10: 00000000ffffe000 R11: 3ffffffff<4>[   43.382417] Call Trace:

 5141 18:29:51.891198  fffffff R12: 0000000000000004

 5142 18:29:51.897850  # [   34.144942] R13: ffffac1c013<4>[   43.391633]  ? __warn+0x80/0x110

 5143 18:29:51.901426  27f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 5144 18:29:51.907878  # [   34.1532<4>[   43.401741]  ? refcount_warn_saturate+0xfb/0x110

 5145 18:29:51.911415  <4>[   43.413405]  ? report_bug+0x9e/0xc0

 5146 18:29:51.924377  02] FS:  00007f50ecc47580(0000) GS:ffff97bd3ad00000(0000) knlGS:<4>[   43.417616]  ? handle_bug+0x41/0x90

 5147 18:29:51.927948  <4>[   43.428007]  ? exc_invalid_op+0x14/0x70

 5148 18:29:51.931099  0000000000000000

 5149 18:29:51.937424  # [   34.162530] CS:  0010 DS: 0000 ES: 0000 C<4>[   43.432606]  ? asm_exc_invalid_op+0x12/0x20

 5150 18:29:51.940712  R0: 0000000080050033

 5151 18:29:51.950648  # [   34.169237] CR2: ffff97bcc2b14240 CR3<4>[   43.443781]  ? refcount_warn_saturate+0xfb/0x110

 5152 18:29:51.957130  <4>[   43.455440]  ? refcount_warn_saturate+0xfb/0x110

 5153 18:29:51.960584  : 000000010345a001 CR4: 00000000003706e0

 5154 18:29:51.967187  # [   34.177499] BUG: <4>[   43.460890]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 5155 18:29:51.977025  sleeping function called from invalid context at include/linux/p<4>[   43.472363]  direct_entry.cold+0x2c/0x38

 5156 18:29:51.980168  ercpu-rwsem.h:49

 5157 18:29:51.990772  # [   34.187701] in_atomic(): 0, irqs_disabled<4>[   43.483252]  full_proxy_write+0x53/0x80

 5158 18:29:51.993859  (): 1, non_block: 0, pid: 1612, name: cat

 5159 18:29:52  # [   34.196445] INFO<4>[   43.494067]  vfs_write+0xe7/0x3b0

 5160 18:29:52.003758  : lockdep is turned off.

 5161 18:29:52.006721  # [   34.201114] irq event stamp: 0

 5162 18:29:52.010242  #<4>[   43.504273]  ksys_write+0x68/0xf0

 5163 18:29:52.020023   [   34.204811] hardirqs last  enabled at (0): [<000000000000000<4>[   43.514477]  do_syscall_64+0x30/0x40

 5164 18:29:52.020105  0>] 0x0

 5165 18:29:52.033637  # [   34.212101] hardirqs last disabled at (0): [<fffff<4>[   43.524972]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5166 18:29:52.036610  fff83afd844>] copy_process+0x664/0x1c60

 5167 18:29:52.043053  # [   34.221526] softir<4>[   43.537121] RIP: 0033:0x7f17257f4473

 5168 18:29:52.069979  qs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664<4>[   43.547616] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5169 18:29:52.072758  /0x1c60

 5170 18:29:52.086107  # [   34.230952] softirqs last disabled at (0): [<00000<4>[   43.575106] RSP: 002b:00007ffe014bf388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5171 18:29:52.086193  00000000000>] 0x0

 5172 18:29:52.099125  # [   34.238234] CPU: 2 PID: 1612 Comm: cat T<4>[   43.590070] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f17257f4473

 5173 18:29:52.105617  ainted: G      D W         5.10.185-cip35 #1

 5174 18:29:52.115974  # [   34.247174] H<4>[   43.604548] RDX: 0000000000000012 RSI: 00007f17256e8000 RDI: 0000000000000001

 5175 18:29:52.119428  ardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5176 18:29:52.129143  # [   34.2<4>[   43.619027] RBP: 00007f17256e8000 R08: 00007f17256e7010 R09: 0000000000000000

 5177 18:29:52.132590  54266] Call Trace:

 5178 18:29:52.135765  # [   34.257285]  dump_stack+0x77/0x9b

 5179 18:29:52.142131  # [ <4>[   43.633504] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5180 18:29:52.148999    34.261275]  ___might_sleep.cold+0xa6/0xb6

 5181 18:29:52.158523  # [   34.266137]  e<4>[   43.647981] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5182 18:29:52.158607  xit_signals+0x1c/0x300

 5183 18:29:52.165128  # [   34.270412]  do_exit+0xc2/0xab0

 5184 18:29:52.168676  # <4>[   43.662464] irq event stamp: 0

 5185 18:29:52.171475  [   34.274209]  ? ksys_write+0x68/0xf0

 5186 18:29:52.181972  # [   34.284605]  make_t<4>[   43.672374] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5187 18:29:52.182058  ask_dead+0x2f/0x30

 5188 18:29:52.197833  # [   34.288984]  rewind_stack_and_make_dead<4>[   43.685881] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5189 18:29:52.197920  +0x17/0x20

 5190 18:29:52.201691  # [   34.294525] RIP: 0033:0x7f50ecb5d473

 5191 18:29:52.211431  # [   34.<4>[   43.701524] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5192 18:29:52.224426  298804] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff<4>[   43.717167] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5193 18:29:52.237962   ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 <4>[   43.730674] ---[ end trace c8f77ca8824754c8 ]---

 5194 18:29:52.247294  00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28<6>[   43.742335] lkdtm: Zero detected: saturated

 5195 18:29:52.250975   48 89 54 24 18

 5196 18:29:52.260442  # [   34.320080] RSP: 002b:00007ffcdcba2f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5197 18:29:52.267426  # [   34.328827] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f50ecb5d473

 5198 18:29:52.273639  # [   34.337089] RDX: 000000000000000d RSI: 00007f50eca51000 RDI: 0000000000000001

 5199 18:29:52.283824  # [   34.345356] RBP: 00007f50eca51000 R08: 00007f50eca50010 R09: 0000000000000000

 5200 18:29:52.290556  # [   34.353617] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5201 18:29:52.300210  # [   34.361877] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5202 18:29:52.303507  # EXEC_KMALLOC: saw 'call trace:': ok

 5203 18:29:52.307042  ok 32 selftests: lkdtm: EXEC_KMALLOC.sh

 5204 18:29:52.310309  # selftests: lkdtm: EXEC_VMALLOC.sh

 5205 18:29:52.313650  # Killed

 5206 18:29:52.316421  # [   34.466858] lkdtm: Performing direct entry EXEC_VMALLOC

 5207 18:29:52.323548  # [   34.475769] lkdtm: attempting ok execution at ffffffff84579e50

 5208 18:29:52.333123  # [   34.482588] lkdtm: attempting bad execution at ffffac1c002eb000

 5209 18:29:52.339621  # [   34.495706] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 5210 18:29:52.346220  # [   34.504387] BUG: unable to handle page fault for address: ffffac1c002eb000

 5211 18:29:52.356325  #<6>[   43.848956] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 5212 18:29:52.362933  <6>[   43.859952] lkdtm: attempting bad refcount_dec() below zero

 5213 18:29:52.366079  <4>[   43.866473] ------------[ cut here ]------------

 5214 18:29:52.372610  <4>[   43.871956] refcount_t: decrement hit 0; leaking memory.

 5215 18:29:52.382894  <4>[   43.878217] WARNING: CPU: 2 PID: 2129 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5216 18:29:52.442203   [   34.512365] #PF: supervisor instruction fetch in kernel mode<4>[   43.887939] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5217 18:29:52.451640  <4>[   43.946890] CPU: 2 PID: 2129 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 5218 18:29:52.458350  <4>[   43.955833] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5219 18:29:52.464838  <4>[   43.962934] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5220 18:29:52.484812  <4>[   43.969086] Code: c0 3f 95 85 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 95 85 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5221 18:29:52.491163  <4>[   43.990363] RSP: 0018:ffffac1c0299fe48 EFLAGS: 00010286

 5222 18:29:52.501507  <4>[   43.996493] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 5223 18:29:52.507778  <4>[   44.004754] RDX: ffff97bd3ad2c660 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 5224 18:29:52.517775  <4>[   44.013019] RBP: ffffffff859f900b R08: 0000000000000000 R09: 0000000000000000

 5225 18:29:52.524299  <4>[   44.021282] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5226 18:29:52.534072  <4>[   44.029546] R13: ffffac1c0299ff10 R14: ffffac1c0299ff10 R15: ffff97bcc2763000

 5227 18:29:52.540942  <4>[   44.037810] FS:  00007f4a198b2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 5228 18:29:52.547711  <4>[   44.047141] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5229 18:29:52.557168  <4>[   44.053850] CR2: 00007f4a196bc000 CR3: 0000000105dea004 CR4: 00000000003706e0

 5230 18:29:52.561020  <4>[   44.062114] Call Trace:

 5231 18:29:52.564327  <4>[   44.065138]  ? __warn+0x80/0x110

 5232 18:29:52.564409  

 5233 18:29:52.577456  # [   34.518975] #PF: error_code(0x0011) - permissions violati<4>[   44.069068]  ? refcount_warn_saturate+0xfb/0x110

 5234 18:29:52.580478  <4>[   44.080730]  ? report_bug+0x9e/0xc0

 5235 18:29:52.584101  <4>[   44.084916]  ? handle_bug+0x41/0x90

 5236 18:29:52.590374  <4>[   44.089124]  ? exc_invalid_op+0x14/0x70

 5237 18:29:52.593836  <4>[   44.093697]  ? asm_exc_invalid_op+0x12/0x20

 5238 18:29:52.600469  <4>[   44.098661]  ? refcount_warn_saturate+0xfb/0x110

 5239 18:29:52.603720  <4>[   44.104139]  ? refcount_warn_saturate+0xfb/0x110

 5240 18:29:52.610396  <4>[   44.109587]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 5241 18:29:52.616618  <4>[   44.115230]  direct_entry.cold+0x2c/0x38

 5242 18:29:52.619791  <4>[   44.119905]  full_proxy_write+0x53/0x80

 5243 18:29:52.623569  <4>[   44.124512]  vfs_write+0xe7/0x3b0

 5244 18:29:52.623989  on

 5245 18:29:52.633314  # [   34.525488] PGD 100000067 P4D 100000067 PUD 100231067 P<4>[   44.128506]  ksys_write+0x68/0xf0

 5246 18:29:52.640168  <4>[   44.138712]  do_syscall_64+0x30/0x40

 5247 18:29:52.643300  <4>[   44.143019]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5248 18:29:52.649470  <4>[   44.148953] RIP: 0033:0x7f4a197c8473

 5249 18:29:52.669406  <4>[   44.153260] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5250 18:29:52.679431  <4>[   44.174543] RSP: 002b:00007ffd242bb088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5251 18:29:52.685844  <4>[   44.183329] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4a197c8473

 5252 18:29:52.695772  <4>[   44.191611] RDX: 0000000000000016 RSI: 00007f4a196bc000 RDI: 0000000000000001

 5253 18:29:52.702571  <4>[   44.199874] RBP: 00007f4a196bc000 R08: 00007f4a196bb010 R09: 0000000000000000

 5254 18:29:52.712600  <4>[   44.208139] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5255 18:29:52.719181  <4>[   44.216406] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5256 18:29:52.722252  <4>[   44.224673] irq event stamp: 0

 5257 18:29:52.732456  <4>[   44.228404] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5258 18:29:52.742136  <4>[   44.235696] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5259 18:29:52.748830  <4>[   44.245125] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5260 18:29:52.758427  <4>[   44.254554] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5261 18:29:52.762026  <4>[   44.261845] ---[ end trace c8f77ca8824754c9 ]---

 5262 18:29:52.768226  <6>[   44.267291] lkdtm: Negative detected: saturated

 5263 18:29:52.772052  MD 1009d3067 PTE 8000000103779063

 5264 18:29:52.774950  # [   34.534821] Oops: 0011 [#8] SMP PTI

 5265 18:29:52.784748  # [   34.539005] CPU: 2 PID: 1648 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 5266 18:29:52.791380  # [   34.547937] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5267 18:29:52.794957  # [   34.555034] RIP: 0010:0xffffac1c002eb000

 5268 18:29:52.804753  # [   34.559703] Code: Unable to access opcode bytes at RIP 0xffffac1c002eafd6.

 5269 18:29:52.811250  # [   34.567662] RSP: 0018:ffffac1c02247e38 EFLAGS: 00010246

 5270 18:29:52.817787  # [   34.573786] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 5271 18:29:52.827842  # [   34.582046] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 5272 18:29:52.834516  # [   34.590306] RBP: ffffac1c002eb000 R08: 0000000000000000 R09: 0000000000000000

 5273 18:29:52.844028  # [   34.598565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 5274 18:29:52.850557  # [   34.606825] R13: ffffac1c02247f10 R14: ffffac1c02247f10 R15: ffff97bcc3779000

 5275 18:29:52.860712  # [   34.615086] FS:  00007efda53b2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 5276 18:29:52.867080  # [   34.624415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5277 18:29:52.877314  # [   34.631121] CR2: ffffac1c002eafd6 CR3: 00000001035e6004 CR4: 00000000003706e0

 5278 18:29:52.880347  # [   34.639382] Call Trace:

 5279 18:29:52.883756  # [   34.642423]  ? __die_body.cold+0x1a/0x1f

 5280 18:29:52.890169  # [   34.647091]  ? no_context+0x177/0x380

 5281 18:29:52.893279  # [   34.651462]  ? exc_page_fault+0xd7/0x170

 5282 18:29:52.900259  # [   34.656129]  ? asm_exc_page_fault+0x1e/0x30

 5283 18:29:52.903263  # [   34.661094]  ? execute_location+0x45/0x56

 5284 18:29:52.909574  # [   34.672072]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 5285 18:29:52.913092  # [   34.677030]  ? direct_entry.cold+0x2c/0x38

 5286 18:29:52.919758  # [   34.681894]  ? full_proxy_write+0x53/0x80

 5287 18:29:52.923238  # [   34.686661]  ? vfs_write+0xe7/0x3b0

 5288 18:29:52.926569  # [   34.690835]  ? ksys_write+0x68/0xf0

 5289 18:29:52.933057  # [   34.695021]  ? do_syscall_64+0x30/0x40

 5290 18:29:52.936157  # [   34.699495]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5291 18:29:52.991912  # [   34.705616] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5292 18:29:52.995460  # [   34.764607] CR2: ffffac1c002eb000

 5293 18:29:53.001700  # [   34.768595] ---[ end trace c8f77ca8824754bb ]---

 5294 18:29:53.005479  # [   34.774040] RIP: 0010:lkdtm_BUG+0x5/0x10

 5295 18:29:53.028320  # [   34.778700] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 5296 18:29:53.034783  # [   34.799967] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 5297 18:29:53.041621  # [   34.806091] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 5298 18:29:53.051174  # [   34.814355] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 5299 18:29:53.057571  # [   34.822616] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 5300 18:29:53.067573  # [   34.830876] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5301 18:29:53.074085  # [   34.839138] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 5302 18:29:53.084415  # [   34.847407] FS:  00007efda53b2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 5303 18:29:53.090350  # [   34.856735] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5304 18:29:53.097111  # [   34.863441] CR2: ffffac1c002eafd6 CR3: 00000001035e6004 CR4: 00000000003706e0

 5305 18:29:53.103962  # EXEC_VMALLOC: saw 'call trace:': ok

 5306 18:29:53.106776  ok 33 selftests: lkdtm: EXEC_VMALLOC.sh

 5307 18:29:53.110405  # selftests: lkdtm: EXEC_RODATA.sh

 5308 18:29:53.110486  # Killed

 5309 18:29:53.116681  # [   34.956263] lkdtm: Performing direct entry EXEC_RODATA

 5310 18:29:53.123547  #<6>[   44.619412] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 5311 18:29:53.139832   [   34.964809] lkdtm: attempting ok execution at ffffffff84579e<6>[   44.629612] lkdtm: attempting bad refcount_dec_and_test() below zero

 5312 18:29:53.139920  50

 5313 18:29:53.150016  # [   34.971631] lkdtm: attempting bad execution at ffffffff<4>[   44.643219] ------------[ cut here ]------------

 5314 18:29:53.150100  8557ed60

 5315 18:29:53.162982  # [   34.984767] kernel tried to execute NX-protected <4>[   44.654878] refcount_t: underflow; use-after-free.

 5316 18:29:53.166412  page - exploit attempt? (uid: 0)

 5317 18:29:53.176741  # [   34.993423] BUG: unable t<4>[   44.666767] WARNING: CPU: 1 PID: 2164 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 5318 18:29:53.182696  o handle page fault for address: ffffffff8557ed60

 5319 18:29:53.235738  # [   35.0076<4>[   44.682695] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5320 18:29:53.242679  09] #PF: supervisor instruction fetch in kernel mode

 5321 18:29:53.252357  # [   35.0<4>[   44.741621] CPU: 1 PID: 2164 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 5322 18:29:53.258964  14218] #PF: error_code(0x0011) - permissions violation

 5323 18:29:53.266070  # [   35<4>[   44.756774] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5324 18:29:53.279101  .020730] PGD 41c29067 P4D 41c29067 PUD 41c2a063 PMD 800000004140<4>[   44.770089] RIP: 0010:refcount_warn_saturate+0xba/0x110

 5325 18:29:53.279502  00e1 

 5326 18:29:53.282024  # [   35.028509] Oops: 0011 [#9] SMP PTI

 5327 18:29:53.305246  # [   35.032691<4>[   44.782430] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 85 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7

 5328 18:29:53.318471  ] CPU: 2 PID: 1684 Comm: cat Tainted: G      D W         5.10.18<4>[   44.809920] RSP: 0018:ffffac1c02a17e40 EFLAGS: 00010286

 5329 18:29:53.318991  5-cip35 #1

 5330 18:29:53.331851  # [   35.041633] Hardware name: Google Rammus/Rammus<4>[   44.822263] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 5331 18:29:53.334979  , BIOS  09/04/2020

 5332 18:29:53.348071  # [   35.048733] RIP: 0010:lkdtm_rodata_do_n<4>[   44.836741] RDX: ffff97bd3acac660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70

 5333 18:29:53.348603  othing+0x0/0x10

 5334 18:29:53.361498  # [   35.054760] Code: ff ff 08 cc c0 84 ff ff <4>[   44.851222] RBP: ffffffff859f8c60 R08: 0000000000000000 R09: 0000000000000000

 5335 18:29:53.374585  ff ff 8a 91 9f 85 ff ff ff ff 4e b3 c0 84 ff ff ff ff 55 aa 55 a<4>[   44.865699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5336 18:29:53.390707  a 00 00 00 00 00 00 00 00 00 00 00 00 <e9> 00 00 00 00 00 00 00 <4>[   44.880178] R13: ffffac1c02a17f10 R14: ffffac1c02a17f10 R15: ffff97bcc3649000

 5337 18:29:53.394723  00 00 00 00 00 00 00 00 54 68 69 73 20 69

 5338 18:29:53.407541  # [   35.076034] RSP:<4>[   44.894658] FS:  00007fa971178580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000

 5339 18:29:53.410793   0018:ffffac1c022efe48 EFLAGS: 00010246

 5340 18:29:53.417460  # [   35.082157] RAX: 0<4>[   44.910207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5341 18:29:53.424005  000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 5342 18:29:53.433895  # [<4>[   44.923130] CR2: 00007fa970f82000 CR3: 0000000103798004 CR4: 00000000003706e0

 5343 18:29:53.443627     35.090419] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: f<4>[   44.937606] Call Trace:

 5344 18:29:53.444147  fff97bd3ad1bf70

 5345 18:29:53.454101  # [   35.098677] RBP: ffffffff8557ed60 R08: 000<4>[   44.946845]  ? __warn+0x80/0x110

 5346 18:29:53.456733  0000000000000 R09: 0000000000000000

 5347 18:29:53.463061  # [   35.106937] R10: 00000<4>[   44.956950]  ? refcount_warn_saturate+0xba/0x110

 5348 18:29:53.469911  000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 5349 18:29:53.473521  # [   3<4>[   44.968612]  ? report_bug+0x9e/0xc0

 5350 18:29:53.486049  5.115199] R13: ffffac1c022eff10 R14: ffffac1c022eff10 R15: ffff9<4>[   44.979012]  ? handle_bug+0x41/0x90

 5351 18:29:53.486152  7bcc29c8000

 5352 18:29:53.496246  # [   35.123460] FS:  00007fed63d83580(0000) GS:fff<4>[   44.989415]  ? exc_invalid_op+0x14/0x70

 5353 18:29:53.499014  f97bd3ad00000(0000) knlGS:0000000000000000

 5354 18:29:53.506222  # [   35.132788] CS:<4>[   45.000205]  ? asm_exc_invalid_op+0x12/0x20

 5355 18:29:53.512649    0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5356 18:29:53.519081  # [   35.139495]<4>[   45.011384]  ? refcount_warn_saturate+0xba/0x110

 5357 18:29:53.532450   CR2: ffffffff8557ed60 CR3: 00000001035ec001 CR4: 00000000003706<4>[   45.023042]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 5358 18:29:53.532534  e0

 5359 18:29:53.535519  # [   35.147753] Call Trace:

 5360 18:29:53.542324  # [   35.150772]  ? __die_body<4>[   45.035673]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 5361 18:29:53.545446  .cold+0x1a/0x1f

 5362 18:29:53.548449  # [   35.155441]  ? no_context+0x177/0x380

 5363 18:29:53.555286  # [<4>[   45.048417]  direct_entry.cold+0x2c/0x38

 5364 18:29:53.558410     35.159810]  ? exc_page_fault+0xd7/0x170

 5365 18:29:53.565093  # [   35.164480]  ? <4>[   45.059303]  full_proxy_write+0x53/0x80

 5366 18:29:53.568506  asm_exc_page_fault+0x1e/0x30

 5367 18:29:53.575076  # [   35.169436]  ? execute_locati<4>[   45.070091]  vfs_write+0xe7/0x3b0

 5368 18:29:53.578411  on+0x45/0x56

 5369 18:29:53.581526  # [   35.174202]  ? direct_entry.cold+0x2c/0x38

 5370 18:29:53.585248  #<4>[   45.080296]  ksys_write+0x68/0xf0

 5371 18:29:53.591863   [   35.179065]  ? full_proxy_write+0x53/0x80

 5372 18:29:53.594851  # [   35.183832] <4>[   45.090500]  do_syscall_64+0x30/0x40

 5373 18:29:53.598385   ? vfs_write+0xe7/0x3b0

 5374 18:29:53.608089  # [   35.188015]  ? ksys_write+0x68/0xf<4>[   45.100995]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5375 18:29:53.608175  0

 5376 18:29:53.611478  # [   35.192191]  ? do_syscall_64+0x30/0x40

 5377 18:29:53.618264  # [   35.196666]<4>[   45.113140] RIP: 0033:0x7fa97108e473

 5378 18:29:53.624729    ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5379 18:29:53.648035  # [   35.202785] M<4>[   45.123637] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5380 18:29:53.660695  odules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_senso<4>[   45.151126] RSP: 002b:00007ffeaa3de988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5381 18:29:53.677525  rs cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf <4>[   45.166088] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa97108e473

 5382 18:29:53.690985  industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros<4>[   45.180568] RDX: 000000000000001f RSI: 00007fa970f82000 RDI: 0000000000000001

 5383 18:29:53.697336  <4>[   45.195045] RBP: 00007fa970f82000 R08: 00007fa970f81010 R09: 0000000000000000

 5384 18:29:53.713274  _ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobu<4>[   45.203308] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5385 18:29:53.720372  <4>[   45.217781] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5386 18:29:53.730239  f2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_us<4>[   45.226067] irq event stamp: 0

 5387 18:29:53.739630  <4>[   45.235954] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5388 18:29:53.753112  bpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal<4>[   45.243249] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5389 18:29:53.762636  <4>[   45.258883] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5390 18:29:53.775810   cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_h<4>[   45.268314] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5391 18:29:53.782528  <4>[   45.281814] ---[ end trace c8f77ca8824754ca ]---

 5392 18:29:53.792468  id cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight core<6>[   45.287262] lkdtm: Negative detected: saturated

 5393 18:29:53.796022  boot_table

 5394 18:29:53.799020  # [   35.261779] CR2: ffffffff8557ed60

 5395 18:29:53.805714  # [   35.265758] ---[ end trace c8f77ca8824754bc ]---

 5396 18:29:53.809111  # [   35.271205] RIP: 0010:lkdtm_BUG+0x5/0x10

 5397 18:29:53.828595  # [   35.275872] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 5398 18:29:53.835325  # [   35.297147] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 5399 18:29:53.845452  # [   35.303271] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 5400 18:29:53.851609  # [   35.311531] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 5401 18:29:53.861585  # [   35.319791] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 5402 18:29:53.868456  # [   35.328051] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5403 18:29:53.878225  # [   35.336311] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 5404 18:29:53.885107  # [   35.344572] FS:  00007fed63d83580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 5405 18:29:53.891343  # [   35.353901] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5406 18:29:53.908313  # [   35.360608] CR2: ffffffff8557ed60 CR3: 00000001035ec001 CR4: 00000<6>[   45.398523] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 5407 18:29:53.908399  000003706e0

 5408 18:29:53.911021  # EXEC_RODATA: saw 'call trace:': ok

 5409 18:29:53.921481  ok 34 selftes<6>[   45.412374] lkdtm: attempting bad refcount_sub_and_test() below zero

 5410 18:29:53.924423  ts: lkdtm: EXEC_RODATA.sh

 5411 18:29:53.934525  # selftests: lkdtm: EXEC_USERSPACE.sh<4>[   45.426006] ------------[ cut here ]------------

 5412 18:29:53.934609  

 5413 18:29:53.934673  # Killed

 5414 18:29:53.944001  # [   35.463468] lkdtm: Performing direct entry EXEC<4>[   45.437662] refcount_t: underflow; use-after-free.

 5415 18:29:53.944083  _USERSPACE

 5416 18:29:53.960844  # [   35.474675] lkdtm: attempting ok execution at f<4>[   45.449532] WARNING: CPU: 0 PID: 2199 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 5417 18:29:53.960946  fffffff84579e50

 5418 18:29:54.020304  # [   35.481502] lkdtm: attempting bad executio<4>[   45.465448] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5419 18:29:54.023299  n at 00007f9b13881000

 5420 18:29:54.033053  # [   35.488420] unable to execute usersp<4>[   45.524439] CPU: 0 PID: 2199 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 5421 18:29:54.036349  ace code (SMEP?) (uid: 0)

 5422 18:29:54.049769  # [   35.495152] BUG: unable to handl<4>[   45.539576] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5423 18:29:54.053717  e page fault for address: 00007f9b13881000

 5424 18:29:54.059926  # [   35.509357] #PF<4>[   45.552926] RIP: 0010:refcount_warn_saturate+0xba/0x110

 5425 18:29:54.066529  : supervisor instruction fetch in kernel mode

 5426 18:29:54.089503  # [   35.515967] <4>[   45.565235] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 85 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7

 5427 18:29:54.092904  #PF: error_code(0x0011) - permissions violation

 5428 18:29:54.099041  # [   35.522480<4>[   45.592761] RSP: 0018:ffffac1c02a8fe40 EFLAGS: 00010286

 5429 18:29:54.115756  ] PGD 800000010367c067 P4D 800000010367c067 PUD 102f5d067 PMD 10<4>[   45.605071] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 5430 18:29:54.116180  2f5c067 PTE 10b153067

 5431 18:29:54.129127  # [   35.532493] Oops: 0011 [#10] SMP PTI<4>[   45.619562] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70

 5432 18:29:54.129546  

 5433 18:29:54.145315  # [   35.536773] CPU: 2 PID: 1720 Comm: cat Tainted: G      D <4>[   45.634020] RBP: ffffffff859f8c80 R08: 0000000000000000 R09: 0000000000000000

 5434 18:29:54.145736  W         5.10.185-cip35 #1

 5435 18:29:54.158843  # [   35.545713] Hardware name: Goo<4>[   45.648501] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5436 18:29:54.162215  gle Rammus/Rammus, BIOS  09/04/2020

 5437 18:29:54.171783  # [   35.552810] RIP: 0010:<4>[   45.662997] R13: ffffac1c02a8ff10 R14: ffffac1c02a8ff10 R15: ffff97bcc2f61000

 5438 18:29:54.175459  0x7f9b13881000

 5439 18:29:54.188490  # [   35.557089] Code: Unable to access opcode b<4>[   45.677507] FS:  00007f571845a580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 5440 18:29:54.192048  ytes at RIP 0x7f9b13880fd6.

 5441 18:29:54.201425  # [   35.564669] RSP: 0018:ffffac1c<4>[   45.693047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5442 18:29:54.204781  02387e50 EFLAGS: 00010246

 5443 18:29:54.214659  # [   35.570794] RAX: 000000000000003<4>[   45.705936] CR2: 00007f5718264000 CR3: 0000000106f5e003 CR4: 00000000003706f0

 5444 18:29:54.221084  3 RBX: 0000000000000024 RCX: 0000000000000000

 5445 18:29:54.224544  # [   35.579055] <4>[   45.720452] Call Trace:

 5446 18:29:54.234516  RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf7<4>[   45.729713]  ? __warn+0x80/0x110

 5447 18:29:54.234934  0

 5448 18:29:54.247433  # [   35.587315] RBP: 00007f9b13881000 R08: 0000000000000000 <4>[   45.739818]  ? refcount_warn_saturate+0xba/0x110

 5449 18:29:54.250909  R09: 0000000000000000

 5450 18:29:54.257295  # [   35.595575] R10: 00000000ffffe000 R1<4>[   45.751488]  ? report_bug+0x9e/0xc0

 5451 18:29:54.261222  1: 3fffffffffffffff R12: 000000000000000f

 5452 18:29:54.267221  # [   35.603835] R13:<4>[   45.761898]  ? find_bug+0x1b0/0x1b0

 5453 18:29:54.273936   ffffac1c02387f10 R14: ffffac1c02387f10 R15: ffff97bcc3478000

 5454 18:29:54.277427  #<4>[   45.772304]  ? handle_bug+0x41/0x90

 5455 18:29:54.290339   [   35.612094] FS:  00007f9b13852580(0000) GS:ffff97bd3ad00000(<4>[   45.782705]  ? exc_invalid_op+0x14/0x70

 5456 18:29:54.290762  0000) knlGS:0000000000000000

 5457 18:29:54.300154  # [   35.621423] CS:  0010 DS: 000<4>[   45.793515]  ? asm_exc_invalid_op+0x12/0x20

 5458 18:29:54.303711  0 ES: 0000 CR0: 0000000080050033

 5459 18:29:54.310013  # [   35.628130] CR2: 00007f9b<4>[   45.804695]  ? refcount_warn_saturate+0xba/0x110

 5460 18:29:54.316978  13881000 CR3: 000000010347e001 CR4: 00000000003706e0

 5461 18:29:54.323467  # [   35.6<4>[   45.816367]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 5462 18:29:54.326984  36406] Call Trace:

 5463 18:29:54.336772  # [   35.639426]  ? __die_body.cold+0x1a/0x1<4>[   45.829021]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 5464 18:29:54.337230  f

 5465 18:29:54.343512  # [   35.644096]  ? no_context+0x177/0x380

 5466 18:29:54.346524  # [   35.648475] <4>[   45.841751]  direct_entry.cold+0x2c/0x38

 5467 18:29:54.349986   ? exc_page_fault+0x53/0x170

 5468 18:29:54.359946  # [   35.653144]  ? asm_exc_page_f<4>[   45.852645]  full_proxy_write+0x53/0x80

 5469 18:29:54.360359  ault+0x1e/0x30

 5470 18:29:54.369478  # [   35.658110]  ? lkdtm_EXEC_USERSPACE.cold+0x<4>[   45.863441]  vfs_write+0xe7/0x3b0

 5471 18:29:54.369902  66/0xae

 5472 18:29:54.376061  # [   35.663749]  ? direct_entry.cold+0x2c/0x38

 5473 18:29:54.379678  # [   <4>[   45.873645]  ksys_write+0x68/0xf0

 5474 18:29:54.382797  35.668613]  ? full_proxy_write+0x53/0x80

 5475 18:29:54.389328  # [   35.673379]  ? vf<4>[   45.883858]  do_syscall_64+0x30/0x40

 5476 18:29:54.392995  s_write+0xe7/0x3b0

 5477 18:29:54.396111  # [   35.677581]  ? ksys_write+0x68/0xf0

 5478 18:29:54.402763  # <4>[   45.894353]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5479 18:29:54.405955  [   35.681765]  ? do_syscall_64+0x30/0x40

 5480 18:29:54.412486  # [   35.686239]  ? e<4>[   45.906465] RIP: 0033:0x7f5718370473

 5481 18:29:54.416118  ntry_SYSCALL_64_after_hwframe+0x61/0xc6

 5482 18:29:54.438997  # [   35.692362] Module<4>[   45.917004] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5483 18:29:54.455246  s linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cr<4>[   45.944521] RSP: 002b:00007ffe4f703f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5484 18:29:54.468613  os_ec_sensors_core industrialio_triggered_buffer kfifo_buf indus<4>[   45.959472] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5718370473

 5485 18:29:54.485472  trialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_d<4>[   45.973975] RDX: 000000000000001f RSI: 00007f5718264000 RDI: 0000000000000001

 5486 18:29:54.498490  ebugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vm<4>[   45.988464] RBP: 00007f5718264000 R08: 00007f5718263010 R09: 0000000000000000

 5487 18:29:54.511312  alloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_l<4>[   46.002938] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5488 18:29:54.527452  ogger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros<4>[   46.017426] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5489 18:29:54.537304  _ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cr<4>[   46.031911] irq event stamp: 0

 5490 18:29:54.550674  os_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_<4>[   46.041832] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5491 18:29:54.551107  table

 5492 18:29:54.554245  # [   35.751321] CR2: 00007f9b13881000

 5493 18:29:54.567673  # [   35.755300] <4>[   46.055337] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5494 18:29:54.570822  ---[ end trace c8f77ca8824754bd ]---

 5495 18:29:54.580618  # [   35.760746] RIP: 0010<4>[   46.070991] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5496 18:29:54.583715  :lkdtm_BUG+0x5/0x10

 5497 18:29:54.597092  # [   35.765413] Code: 89 ff e8 2e e2 79 ff<4>[   46.086620] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5498 18:29:54.606465   48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc <4>[   46.100135] ---[ end trace c8f77ca8824754cb ]---

 5499 18:29:54.619459  48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00<6>[   46.111795] lkdtm: Negative detected: saturated

 5500 18:29:54.623078   00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 5501 18:29:54.629524  # [   35.786687] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 5502 18:29:54.635987  # [   35.792812] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 5503 18:29:54.646229  # [   35.801072] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 5504 18:29:54.652656  # [   35.809357] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 5505 18:29:54.662487  # [   35.817617] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5506 18:29:54.669234  # [   35.825878] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 5507 18:29:54.678886  # [   35.834140] FS:  00007f9b13852580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 5508 18:29:54.685579  # [   35.843467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5509 18:29:54.692201  # [   35.850175] CR2: 00007f9b13881000 CR3: 000000010347e001 CR4: 00000000003706e0

 5510 18:29:54.705486  # [   35.858436] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5511 18:29:54.711714  # [   35.868640] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat

 5512 18:29:54.718398  # [   35.877385] INFO: lockdep is turned off.

 5513 18:29:54.722198  # [   35.882054] irq event stamp: 0

 5514 18:29:54.731932  # [   35.885750] hardirqs last  ena<6>[   46.226156] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 5515 18:29:54.738622  <6>[   46.235604] lkdtm: attempting safe refcount_inc_not_zero() from zero

 5516 18:29:54.741350  <6>[   46.242998] lkdtm: Good: zero detected

 5517 18:29:54.748239  <6>[   46.247510] lkdtm: Correctly stayed at zero

 5518 18:29:54.754598  <6>[   46.252502] lkdtm: attempting bad refcount_inc() from zero

 5519 18:29:54.758146  <4>[   46.258921] ------------[ cut here ]------------

 5520 18:29:54.764599  <4>[   46.264372] refcount_t: addition on 0; use-after-free.

 5521 18:29:54.774315  <4>[   46.270445] WARNING: CPU: 3 PID: 2231 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 5522 18:29:54.777505  bled at (0): [<0000000000000000>] 0x0

 5523 18:29:54.833511  # [   35.893040] hardirqs<4>[   46.280169] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5524 18:29:54.843820  <4>[   46.339116] CPU: 3 PID: 2231 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 5525 18:29:54.850200  <4>[   46.348090] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5526 18:29:54.856650  <4>[   46.355191] RIP: 0010:refcount_warn_saturate+0x74/0x110

 5527 18:29:54.876714  <4>[   46.361366] Code: 01 01 e8 c6 cb c0 00 0f 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95 85 c6 05 ca ef f6 01 01 e8 a3 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95

 5528 18:29:54.889670   last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0<4>[   46.382648] RSP: 0018:ffffac1c02b0fe48 EFLAGS: 00010286

 5529 18:29:54.899812  <4>[   46.394982] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 5530 18:29:54.906491  <4>[   46.403248] RDX: ffff97bd3adac660 RSI: ffff97bd3ad9bf70 RDI: ffff97bd3ad9bf70

 5531 18:29:54.915830  <4>[   46.411533] RBP: ffffffff859f9021 R08: 0000000000000000 R09: 0000000000000000

 5532 18:29:54.922544  <4>[   46.419796] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5533 18:29:54.932544  <4>[   46.428058] R13: ffffac1c02b0ff10 R14: ffffac1c02b0ff10 R15: ffff97bcc349c000

 5534 18:29:54.942251  <4>[   46.436321] FS:  00007f8a756d9580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 5535 18:29:54.948825  <4>[   46.445659] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5536 18:29:54.955386  <4>[   46.452407] CR2: 00007f8a754e3000 CR3: 0000000100fd4003 CR4: 00000000003706e0

 5537 18:29:54.958564  <4>[   46.460669] Call Trace:

 5538 18:29:54.961939  <4>[   46.463693]  ? __warn+0x80/0x110

 5539 18:29:54.968457  <4>[   46.467618]  ? refcount_warn_saturate+0x74/0x110

 5540 18:29:54.971783  <4>[   46.473067]  ? report_bug+0x9e/0xc0

 5541 18:29:54.975173  <4>[   46.477252]  ? handle_bug+0x41/0x90

 5542 18:29:54.981561  <4>[   46.481452]  ? exc_invalid_op+0x14/0x70

 5543 18:29:54.985202  <4>[   46.486028]  ? asm_exc_invalid_op+0x12/0x20

 5544 18:29:54.991517  <4>[   46.490992]  ? refcount_warn_saturate+0x74/0x110

 5545 18:29:54.998267  <4>[   46.496469]  ? refcount_warn_saturate+0x74/0x110

 5546 18:29:55.001335  <4>[   46.501915]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 5547 18:29:55.007942  <4>[   46.507169]  direct_entry.cold+0x2c/0x38

 5548 18:29:55.011544  <4>[   46.511842]  full_proxy_write+0x53/0x80

 5549 18:29:55.014655  <4>[   46.516441]  vfs_write+0xe7/0x3b0

 5550 18:29:55.017917  <4>[   46.520433]  ksys_write+0x68/0xf0

 5551 18:29:55.024381  <4>[   46.524425]  do_syscall_64+0x30/0x40

 5552 18:29:55.031087  <4>[   46.528709]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5553 18:29:55.034096  <4>[   46.534642] RIP: 0033:0x7f8a755ef473

 5554 18:29:55.053681  <4>[   46.538924] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5555 18:29:55.063735  <4>[   46.560201] RSP: 002b:00007ffccedcfc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5556 18:29:55.073953  <4>[   46.568950] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8a755ef473

 5557 18:29:55.080281  <4>[   46.577212] RDX: 0000000000000012 RSI: 00007f8a754e3000 RDI: 0000000000000001

 5558 18:29:55.090499  <4>[   46.585476] RBP: 00007f8a754e3000 R08: 00007f8a754e2010 R09: 0000000000000000

 5559 18:29:55.097049  <4>[   46.593738] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5560 18:29:55.106734  <4>[   46.602001] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5561 18:29:55.110249  <4>[   46.610266] irq event stamp: 0

 5562 18:29:55.116999  <4>[   46.613997] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5563 18:29:55.126893  <4>[   46.621288] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5564 18:29:55.136894  <4>[   46.630716] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5565 18:29:55.142823  <4>[   46.640143] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5566 18:29:55.146696  <4>[   46.647434] ---[ end trace c8f77ca8824754cc ]---

 5567 18:29:55.153321  <6>[   46.652881] lkdtm: Zero detected: saturated

 5568 18:29:55.153404  x1c60

 5569 18:29:55.162926  # [   35.902485] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5570 18:29:55.169278  # [   35.911911] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5571 18:29:55.179534  # [   35.919200] CPU: 2 PID: 1720 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 5572 18:29:55.186316  # [   35.928140] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5573 18:29:55.189516  # [   35.935236] Call Trace:

 5574 18:29:55.192603  # [   35.938254]  dump_stack+0x77/0x9b

 5575 18:29:55.198902  # [   35.942243]  ___might_sleep.cold+0xa6/0xb6

 5576 18:29:55.202505  # [   35.947106]  exit_signals+0x1c/0x300

 5577 18:29:55.205639  # [   35.951384]  do_exit+0xc2/0xab0

 5578 18:29:55.209191  # [   35.955179]  ? ksys_write+0x68/0xf0

 5579 18:29:55.212137  # [   35.959361]  make_task_dead+0x2f/0x30

 5580 18:29:55.218868  # [   35.963739]  rewind_stack_and_make_dead+0x17/0x20

 5581 18:29:55.222226  # [   35.969280] RIP: 0033:0x7f9b13768473

 5582 18:29:55.245539  # [   35.973558] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5583 18:29:55.252049  # [   35.994829] RSP: 002b:00007fffff074d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5584 18:29:55.265044  # [   36.003575] RAX: ffffffffffffffda RBX: 000000000000<6>[   46.757866] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 5585 18:29:55.268196  000f RCX: 00007f9b13768473

 5586 18:29:55.278372  # [   36.011835] RDX: 00000000000000<6>[   46.770182] lkdtm: attempting safe refcount_add_not_zero() from zero

 5587 18:29:55.284538  0f RSI: 00007f9b1365c000 RDI: 0000000000000001

 5588 18:29:55.288267  # [   36.020096]<6>[   46.783786] lkdtm: Good: zero detected

 5589 18:29:55.300784   RBP: 00007f9b1365c000 R08: 00007f9b1365b010 R09: 00000000000000<6>[   46.794469] lkdtm: Correctly stayed at zero

 5590 18:29:55.300895  00

 5591 18:29:55.314326  # [   36.028356] R10: fffffffffffffbc5 R11: 0000000000000246<6>[   46.805635] lkdtm: attempting bad refcount_add() from zero

 5592 18:29:55.314415   R12: 0000000000000001

 5593 18:29:55.324063  # [   36.036617] R13: 0000000000000001 R<4>[   46.818318] ------------[ cut here ]------------

 5594 18:29:55.330900  14: 0000000000020000 R15: 0000000000020000

 5595 18:29:55.337228  # EXEC_USERSPACE: sa<4>[   46.829950] refcount_t: addition on 0; use-after-free.

 5596 18:29:55.340813  w 'call trace:': ok

 5597 18:29:55.343805  ok 35 selftests: lkdtm: EXEC_USERSPACE.sh

 5598 18:29:55.353560  <4>[   46.842251] WARNING: CPU: 0 PID: 2263 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 5599 18:29:55.357224  # selftests: lkdtm: EXEC_NULL.sh

 5600 18:29:55.357305  # Killed

 5601 18:29:55.412790  # [   36.130466] lkd<4>[   46.858134] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5602 18:29:55.416214  tm: Performing direct entry EXEC_NULL

 5603 18:29:55.426082  # [   36.137761] lkdtm: a<4>[   46.917143] CPU: 0 PID: 2263 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 5604 18:29:55.433141  ttempting ok execution at ffffffff84579e50

 5605 18:29:55.439341  # [   36.144570] lkd<4>[   46.932251] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5606 18:29:55.446007  tm: attempting bad execution at 0000000000000000

 5607 18:29:55.452332  # [   36.15149<4>[   46.945587] RIP: 0010:refcount_warn_saturate+0x74/0x110

 5608 18:29:55.481871  8] BUG: kernel NULL pointer dereference, address: 00000000000000<4>[   46.957914] Code: 01 01 e8 c6 cb c0 00 0f 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95 85 c6 05 ca ef f6 01 01 e8 a3 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95

 5609 18:29:55.481975  00

 5610 18:29:55.491983  # [   36.159573] #PF: supervisor instruction fetch in kernel<4>[   46.985470] RSP: 0018:ffffac1c02bc7e48 EFLAGS: 00010286

 5611 18:29:55.494970   mode

 5612 18:29:55.508497  # [   36.172415] #PF: error_code(0x0010) - not-present pa<4>[   46.997750] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 5613 18:29:55.508588  ge

 5614 18:29:55.511449  # [   36.178443] PGD 0 P4D 0 

 5615 18:29:55.522033  # [   36.181557] Oops: 0010 [<4>[   47.012237] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70

 5616 18:29:55.525009  #11] SMP PTI

 5617 18:29:55.534412  # [   36.185837] CPU: 2 PID: 1756 Comm: cat Tainte<4>[   47.026713] RBP: ffffffff859f9033 R08: 0000000000000000 R09: 0000000000000000

 5618 18:29:55.541231  d: G      D W         5.10.185-cip35 #1

 5619 18:29:55.551222  # [   36.194769] Hardwa<4>[   47.041198] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5620 18:29:55.554575  re name: Google Rammus/Rammus, BIOS  09/04/2020

 5621 18:29:55.564140  # [   36.201865<4>[   47.055672] R13: ffffac1c02bc7f10 R14: ffffac1c02bc7f10 R15: ffff97bcc3661000

 5622 18:29:55.567801  ] RIP: 0010:0x0

 5623 18:29:55.580553  # [   36.205077] Code: Unable to access opcode <4>[   47.070162] FS:  00007ff424a3f580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 5624 18:29:55.584347  bytes at RIP 0xffffffffffffffd6.

 5625 18:29:55.593781  # [   36.213046] RSP: 0018:fff<4>[   47.085707] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5626 18:29:55.597238  fac1c023d7e48 EFLAGS: 00010246

 5627 18:29:55.607153  # [   36.219170] RAX: 0000000000<4>[   47.098629] CR2: 00007ff424849000 CR3: 000000010299c002 CR4: 00000000003706f0

 5628 18:29:55.613631  000033 RBX: 0000000000000000 RCX: 0000000000000000

 5629 18:29:55.617159  # [   36.227<4>[   47.113108] Call Trace:

 5630 18:29:55.627106  431] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3a<4>[   47.122361]  ? __warn+0x80/0x110

 5631 18:29:55.627192  d1bf70

 5632 18:29:55.640025  # [   36.235691] RBP: 0000000000000000 R08: 000000000000<4>[   47.132458]  ? refcount_warn_saturate+0x74/0x110

 5633 18:29:55.643200  0000 R09: 0000000000000000

 5634 18:29:55.649820  # [   36.243952] R10: 00000000ffffe0<4>[   47.144143]  ? report_bug+0x9e/0xc0

 5635 18:29:55.653252  00 R11: 3fffffffffffffff R12: 000000000000000a

 5636 18:29:55.660379  # [   36.252213]<4>[   47.154535]  ? handle_bug+0x41/0x90

 5637 18:29:55.669928   R13: ffffac1c023d7f10 R14: ffffac1c023d7f10 R15: ffff97bcc342e0<4>[   47.164940]  ? exc_invalid_op+0x14/0x70

 5638 18:29:55.670015  00

 5639 18:29:55.682786  # [   36.260474] FS:  00007fb966ea2580(0000) GS:ffff97bd3ad0<4>[   47.175729]  ? asm_exc_invalid_op+0x12/0x20

 5640 18:29:55.686419  0000(0000) knlGS:0000000000000000

 5641 18:29:55.693153  # [   36.269804] CS:  0010 DS<4>[   47.186921]  ? refcount_warn_saturate+0x74/0x110

 5642 18:29:55.696167  : 0000 ES: 0000 CR0: 0000000080050033

 5643 18:29:55.705872  # [   36.276510] CR2: fff<4>[   47.198573]  ? refcount_warn_saturate+0x74/0x110

 5644 18:29:55.712893  fffffffffffd6 CR3: 0000000103016006 CR4: 00000000003706e0

 5645 18:29:55.715975  # [  <4>[   47.210255]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 5646 18:29:55.719201   36.284771] Call Trace:

 5647 18:29:55.729177  # [   36.287791]  ? __die_body.cold+0x1<4>[   47.221702]  direct_entry.cold+0x2c/0x38

 5648 18:29:55.729261  a/0x1f

 5649 18:29:55.732774  # [   36.292461]  ? no_context+0x177/0x380

 5650 18:29:55.739036  # [   36.296<4>[   47.232623]  full_proxy_write+0x53/0x80

 5651 18:29:55.742330  831]  ? exc_page_fault+0x53/0x170

 5652 18:29:55.749057  # [   36.301500]  ? asm_exc_p<4>[   47.243390]  vfs_write+0xe7/0x3b0

 5653 18:29:55.752231  age_fault+0x1e/0x30

 5654 18:29:55.758668  # [   36.306464]  execute_location+0x45/0x5<4>[   47.253611]  ksys_write+0x68/0xf0

 5655 18:29:55.758749  6

 5656 18:29:55.765377  # [   36.311035]  direct_entry.cold+0x2c/0x38

 5657 18:29:55.768748  # [   36.31570<4>[   47.263810]  do_syscall_64+0x30/0x40

 5658 18:29:55.771767  5]  full_proxy_write+0x53/0x80

 5659 18:29:55.781528  # [   36.320279]  vfs_write+0xe7<4>[   47.274317]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5660 18:29:55.781609  /0x3b0

 5661 18:29:55.784620  # [   36.324268]  ksys_write+0x68/0xf0

 5662 18:29:55.791652  # [   36.328259]<4>[   47.286455] RIP: 0033:0x7ff424955473

 5663 18:29:55.794834    do_syscall_64+0x30/0x40

 5664 18:29:55.817992  # [   36.332539]  entry_SYSCALL_64_af<4>[   47.296968] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5665 18:29:55.821435  ter_hwframe+0x61/0xc6

 5666 18:29:55.834672  # [   36.338461] RIP: 0033:0x7fb966db8473<4>[   47.324449] RSP: 002b:00007ffd361a7bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5667 18:29:55.834785  

 5668 18:29:55.847399  # [   36.342731] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 <4>[   47.339418] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff424955473

 5669 18:29:55.863884  c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 1<4>[   47.353889] RDX: 0000000000000012 RSI: 00007ff424849000 RDI: 0000000000000001

 5670 18:29:55.877097  4 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 <4>[   47.368378] RBP: 00007ff424849000 R08: 00007ff424848010 R09: 0000000000000000

 5671 18:29:55.880773  48 83 ec 28 48 89 54 24 18

 5672 18:29:55.893597  # [   36.364005] RSP: 002b:00007ffe3<4>[   47.382849] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5673 18:29:55.897285  cbbe3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5674 18:29:55.906870  # [   36.37<4>[   47.397352] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5675 18:29:55.916973  2751] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb96<4>[   47.411805] irq event stamp: 0

 5676 18:29:55.917064  6db8473

 5677 18:29:55.929981  # [   36.381013] RDX: 000000000000000a RSI: 00007fb966c<4>[   47.421704] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5678 18:29:55.933298  ac000 RDI: 0000000000000001

 5679 18:29:55.946384  # [   36.389274] RBP: 00007fb966cac<4>[   47.435229] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5680 18:29:55.949568  000 R08: 00007fb966cab010 R09: 0000000000000000

 5681 18:29:55.962869  # [   36.397535<4>[   47.450856] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5682 18:29:55.975854  ] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000<4>[   47.466519] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5683 18:29:55.975938  001

 5684 18:29:55.986125  # [   36.405797] R13: 0000000000000001 R14: 000000000002000<4>[   47.480021] ---[ end trace c8f77ca8824754cd ]---

 5685 18:29:55.988900  0 R15: 0000000000020000

 5686 18:29:55.999193  # [   36.414062] Modules linked in: fus<6>[   47.491686] lkdtm: Zero detected: saturated

 5687 18:29:56.048227  e ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5688 18:29:56.051639  # [   36.473053] CR2: 0000000000000000

 5689 18:29:56.055025  # [   36.477032] ---[ end trace c8f77ca8824754be ]---

 5690 18:29:56.061754  # [   36.482479] RIP: 0010:lkdtm_BUG+0x5/0x10

 5691 18:29:56.081591  # [   36.487148] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 5692 18:29:56.087606  # [   36.508421] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 5693 18:29:56.097667  # [   36.514544] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 5694 18:29:56.104340  # [   36.522804] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 5695 18:29:56.114309  # [   36.531065] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 5696 18:29:56.123705  # [   36.539324] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5697 18:29:56.130487  # [   36.547585] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 5698 18:29:56.140202  # [   36.555846] FS:  00007fb966ea2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 5699 18:29:56.146480  # [   36.565175] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5700 18:29:56.156632  # [   36.571880] CR2: ffffffffffffffd6 CR3: 0000000103016006 CR4: 00000000003706e0

 5701 18:29:56.166336  # [   36.580143] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5702 18:29:56.176421  # [   36.590358] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1756, name: cat

 5703 18:29:56.179339  # [   36.599106] INFO: lockdep is turned off.

 5704 18:29:56.182775  # [   36.603774] irq event stamp: 0

 5705 18:29:56.192471  # [   36.607470] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5706 18:29:56.199507  # [   36.614762] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5707 18:29:56.209136  # [   36.624180] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5708 18:29:56.216066  # [   36.633595] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5709 18:29:56.225988  # [   36.640885] CPU: 2 PID: 1756 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 5710 18:29:56.231967  # [   36.649826] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5711 18:29:56.235975  # [   36.656920] Call Trace:

 5712 18:29:56.238593  # [   36.659938]  dump_stack+0x77/0x9b

 5713 18:29:56.245467  # [   36.663920]  ___might_sleep.cold+0xa6/0xb6

 5714 18:29:56.248397  # [   36.668784]  exit_signals+0x1c/0x300

 5715 18:29:56.251926  # [   36.673063]  do_exit+0xc2/0xab0

 5716 18:29:56.255775  # [   36.676857]  ? ksys_write+0x68/0xf0

 5717 18:29:56.262086  # [   36.681032]  make_task_dead+0x2f/0x30

 5718 18:29:56.265116  # [   36.685410]  rewind_stack_and_make_dead+0x17/0x20

 5719 18:29:56.271799  # [   36.690951] RIP: 0033:0x7fb966db8473

 5720 18:29:56.288214  # [   36.695229] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 7<6>[   47.782413] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 5721 18:29:56.300976  5 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 <6>[   47.794259] lkdtm: attempting bad refcount_inc() from saturated

 5722 18:29:56.304503  00 48 83 ec 28 48 89 54 24 18

 5723 18:29:56.314905  # [   36.716504] RSP: 002b:00007f<4>[   47.807428] ------------[ cut here ]------------

 5724 18:29:56.320994  fe3cbbe3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5725 18:29:56.327637  # [   36<4>[   47.819088] refcount_t: saturated; leaking memory.

 5726 18:29:56.340668  .725244] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f<4>[   47.830978] WARNING: CPU: 1 PID: 2298 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5727 18:29:56.344184  b966db8473

 5728 18:29:56.399869  # [   36.733505] RDX: 000000000000000a RSI: 00007fb9<4>[   47.846883] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5729 18:29:56.403634  66cac000 RDI: 0000000000000001

 5730 18:29:56.416075  # [   36.741766] RBP: 00007fb966<4>[   47.905868] CPU: 1 PID: 2298 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 5731 18:29:56.419711  cac000 R08: 00007fb966cab010 R09: 0000000000000000

 5732 18:29:56.429748  # [   36.750<4>[   47.920997] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5733 18:29:56.442991  027] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000<4>[   47.934307] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5734 18:29:56.462518  <4>[   47.946649] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 95 85 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95

 5735 18:29:56.462613  000001

 5736 18:29:56.476415  # [   36.758288] R13: 0000000000000001 R14: 000000000002<4>[   47.967922] RSP: 0018:ffffac1c02c5fe48 EFLAGS: 00010286

 5737 18:29:56.482567  <4>[   47.980258] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 5738 18:29:56.486220  0000 R15: 0000000000020000

 5739 18:29:56.489703  # EXEC_NULL: saw 'call trace:': ok

 5740 18:29:56.499139  <4>[   47.988521] RDX: ffff97bd3acac660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70

 5741 18:29:56.505886  <4>[   48.002994] RBP: ffffffff859f9045 R08: 0000000000000000 R09: 0000000000000000

 5742 18:29:56.508758  ok 36 selftests: lkdtm: EXEC_NULL.sh

 5743 18:29:56.521892  # selftests: lkdtm: ACCESS<4>[   48.011257] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5744 18:29:56.528431  <4>[   48.025728] R13: ffffac1c02c5ff10 R14: ffffac1c02c5ff10 R15: ffff97bcc365d000

 5745 18:29:56.532345  _USERSPACE.sh

 5746 18:29:56.532427  # Killed

 5747 18:29:56.545130  # [   36.865108] lkdtm: Performing dire<4>[   48.033993] FS:  00007f35dda2c580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000

 5748 18:29:56.551858  <4>[   48.049533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5749 18:29:56.555687  ct entry ACCESS_USERSPACE

 5750 18:29:56.565177  # [   36.872545] lkdtm: attempting ba<4>[   48.056241] CR2: 00007f35dd836000 CR3: 0000000103606003 CR4: 00000000003706e0

 5751 18:29:56.568247  <4>[   48.070714] Call Trace:

 5752 18:29:56.571359  d read at 00007f8363ac1000

 5753 18:29:56.578633  # [   36.878994] BUG: unable to hand<4>[   48.073740]  ? __warn+0x80/0x110

 5754 18:29:56.584874  le page fault for address: 00007f8363ac1000

 5755 18:29:56.591182  # [   36.893170] #P<4>[   48.083841]  ? refcount_warn_saturate+0x51/0x110

 5756 18:29:56.594732  F: supervisor read access in kernel mode

 5757 18:29:56.601237  # [   36.899196] #PF: <4>[   48.095503]  ? report_bug+0x9e/0xc0

 5758 18:29:56.604511  error_code(0x0001) - permissions violation

 5759 18:29:56.611151  # [   36.905707] PGD<4>[   48.105903]  ? handle_bug+0x41/0x90

 5760 18:29:56.621144   80000001037e5067 P4D 80000001037e5067 PUD 1035cd067 PMD 1035030<4>[   48.116300]  ? exc_invalid_op+0x14/0x70

 5761 18:29:56.624598  67 PTE 10b1ca067

 5762 18:29:56.627522  # [   36.915718] Oops: 0001 [#12] SMP PTI

 5763 18:29:56.634286  # [<4>[   48.127088]  ? asm_exc_invalid_op+0x12/0x20

 5764 18:29:56.644022     36.919989] CPU: 2 PID: 1791 Comm: cat Tainted: G      D W    <4>[   48.138269]  ? refcount_warn_saturate+0x51/0x110

 5765 18:29:56.647943       5.10.185-cip35 #1

 5766 18:29:56.657431  # [   36.928928] Hardware name: Google R<4>[   48.149928]  ? refcount_warn_saturate+0x51/0x110

 5767 18:29:56.660444  ammus/Rammus, BIOS  09/04/2020

 5768 18:29:56.667075  # [   36.936026] RIP: 0010:lkdtm<4>[   48.161590]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 5769 18:29:56.670264  _ACCESS_USERSPACE.cold+0x41/0xa3

 5770 18:29:56.679900  # [   36.942537] Code: 00 00 0<4>[   48.173543]  direct_entry.cold+0x2c/0x38

 5771 18:29:56.690089  0 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 9e 9f<4>[   48.184427]  full_proxy_write+0x53/0x80

 5772 18:29:56.700125   85 e8 d7 d7 fb ff 48 c7 c7 d0 9e 9f 85 b8 de c0 de c0 <48> 03 4<4>[   48.195214]  vfs_write+0xe7/0x3b0

 5773 18:29:56.706372  5 00 48 89 04 24 e8 be d7 fb ff 48 89 ee 48 c7 c7 f8 9e 9f

 5774 18:29:56.709716  # [ <4>[   48.205433]  ksys_write+0x68/0xf0

 5775 18:29:56.716242    36.963809] RSP: 0018:ffffac1c02477e48 EFLAGS: 00010246

 5776 18:29:56.719388  # [   <4>[   48.215640]  do_syscall_64+0x30/0x40

 5777 18:29:56.733268  36.969933] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000<4>[   48.226134]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5778 18:29:56.736136  000000000000

 5779 18:29:56.742961  # [   36.978185] RDX: 0000000000000000 RSI: ffff97<4>[   48.238281] RIP: 0033:0x7f35dd942473

 5780 18:29:56.746003  bd3ad1bf70 RDI: ffffffff859f9ed0

 5781 18:29:56.772034  # [   36.986437] RBP: 00007f83<4>[   48.248776] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5782 18:29:56.775806  63ac1000 R08: 0000000000000000 R09: 0000000000000000

 5783 18:29:56.785229  # [   36.9<4>[   48.276265] RSP: 002b:00007fffabc97118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5784 18:29:56.802026  94696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000<4>[   48.291229] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f35dd942473

 5785 18:29:56.802125  00000011

 5786 18:29:56.815079  # [   37.002957] R13: ffffac1c02477f10 R14: ffffac1c02<4>[   48.305705] RDX: 0000000000000017 RSI: 00007f35dd836000 RDI: 0000000000000001

 5787 18:29:56.818479  477f10 R15: ffff97bcc3668000

 5788 18:29:56.831327  # [   37.011216] FS:  00007f8363a9<4>[   48.320182] RBP: 00007f35dd836000 R08: 00007f35dd835010 R09: 0000000000000000

 5789 18:29:56.834727  2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 5790 18:29:56.845070  # [<4>[   48.334660] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5791 18:29:56.851056     37.020544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5792 18:29:56.857730  <4>[   48.349139] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5793 18:29:56.857811  

 5794 18:29:56.867709  # [   37.027250] CR2: 00007f8363ac1000 CR3: 0000000102a8c001 CR<4>[   48.363621] irq event stamp: 0

 5795 18:29:56.871131  4: 00000000003706e0

 5796 18:29:56.874577  # [   37.035508] Call Trace:

 5797 18:29:56.881157  # [   37.0385<4>[   48.373532] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5798 18:29:56.884132  27]  ? __die_body.cold+0x1a/0x1f

 5799 18:29:56.896764  # [   37.043196]  ? no_context<4>[   48.387040] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5800 18:29:56.900405  +0x177/0x380

 5801 18:29:56.903923  # [   37.047574]  ? exc_page_fault+0x53/0x170

 5802 18:29:56.913653  # [<4>[   48.402682] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5803 18:29:56.917410     37.052243]  ? asm_exc_page_fault+0x1e/0x30

 5804 18:29:56.926641  # [   37.057206] <4>[   48.418325] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5805 18:29:56.929993   ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 5806 18:29:56.940036  # [   37.063039]  ? lk<4>[   48.431830] ---[ end trace c8f77ca8824754ce ]---

 5807 18:29:56.943269  dtm_ACCESS_USERSPACE.cold+0x35/0xa3

 5808 18:29:56.949844  # [   37.068873]  direct_en<6>[   48.443492] lkdtm: Saturation detected: still saturated

 5809 18:29:56.953220  try.cold+0x2c/0x38

 5810 18:29:56.956298  # [   37.073532]  full_proxy_write+0x53/0x80

 5811 18:29:56.959483  # [   37.078103]  vfs_write+0xe7/0x3b0

 5812 18:29:56.965978  # [   37.082092]  ksys_write+0x68/0xf0

 5813 18:29:56.969633  # [   37.086083]  do_syscall_64+0x30/0x40

 5814 18:29:56.976188  # [   37.090364]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5815 18:29:56.979264  # [   37.096294] RIP: 0033:0x7f83639a8473

 5816 18:29:56.999321  # [   37.100566] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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 18:29:57.009105  # [   37.121839] RSP: 002b:00007ffc34378f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5818 18:29:57.019065  # [   37.130577] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f83639a8473

 5819 18:29:57.025465  # [   37.138838] RDX: 0000000000000011 RSI: 00007f836389c000 RDI: 0000000000000001

 5820 18:29:57.035272  # [   37.147097] RBP: 00007f836389c000 R08: 00007f836389b010 R09: 0000000000000000

 5821 18:29:57.041438  # [   37.155357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5822 18:29:57.048551  # [   37.163614] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5823 18:29:57.064666  # [   37.171878] Modules linked in: fuse ip_tables cros_ec_lid_angle <6>[   48.560417] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 5824 18:29:57.071364  <6>[   48.568587] lkdtm: attempting bad refcount_dec() from saturated

 5825 18:29:57.075060  <4>[   48.575522] ------------[ cut here ]------------

 5826 18:29:57.081154  <4>[   48.580970] refcount_t: decrement hit 0; leaking memory.

 5827 18:29:57.090895  <4>[   48.587224] WARNING: CPU: 2 PID: 2333 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5828 18:29:57.150661  cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buff<4>[   48.596948] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5829 18:29:57.160355  <4>[   48.655899] CPU: 2 PID: 2333 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 5830 18:29:57.166822  <4>[   48.664865] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5831 18:29:57.173551  <4>[   48.671997] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5832 18:29:57.193365  <4>[   48.678126] Code: c0 3f 95 85 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 95 85 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5833 18:29:57.199510  <4>[   48.699436] RSP: 0018:ffffac1c02ccfe48 EFLAGS: 00010286

 5834 18:29:57.216434  er kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_s<4>[   48.705580] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 5835 18:29:57.222939  <4>[   48.720045] RDX: ffff97bd3ad2c660 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 5836 18:29:57.232507  <4>[   48.728308] RBP: ffffffff859f905c R08: 0000000000000000 R09: 0000000000000000

 5837 18:29:57.239756  <4>[   48.736571] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5838 18:29:57.249551  <4>[   48.744835] R13: ffffac1c02ccff10 R14: ffffac1c02ccff10 R15: ffff97bcc6fc3000

 5839 18:29:57.255676  <4>[   48.753098] FS:  00007faf645d8580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 5840 18:29:57.265993  <4>[   48.762431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5841 18:29:57.272247  <4>[   48.769139] CR2: 00007faf643e2000 CR3: 000000010341c001 CR4: 00000000003706e0

 5842 18:29:57.276052  <4>[   48.777415] Call Trace:

 5843 18:29:57.278850  <4>[   48.780438]  ? __warn+0x80/0x110

 5844 18:29:57.292280  ensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lig<4>[   48.784368]  ? refcount_warn_saturate+0xfb/0x110

 5845 18:29:57.295190  <4>[   48.796027]  ? report_bug+0x9e/0xc0

 5846 18:29:57.299006  <4>[   48.800216]  ? handle_bug+0x41/0x90

 5847 18:29:57.305010  <4>[   48.804431]  ? exc_invalid_op+0x14/0x70

 5848 18:29:57.308700  <4>[   48.809008]  ? asm_exc_invalid_op+0x12/0x20

 5849 18:29:57.315893  <4>[   48.814003]  ? refcount_warn_saturate+0xfb/0x110

 5850 18:29:57.319127  <4>[   48.819485]  ? refcount_warn_saturate+0xfb/0x110

 5851 18:29:57.325657  <4>[   48.824963]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 5852 18:29:57.329072  <4>[   48.830705]  direct_entry.cold+0x2c/0x38

 5853 18:29:57.335350  <4>[   48.835423]  full_proxy_write+0x53/0x80

 5854 18:29:57.339183  <4>[   48.839999]  vfs_write+0xe7/0x3b0

 5855 18:29:57.341904  <4>[   48.844020]  ksys_write+0x68/0xf0

 5856 18:29:57.348404  <4>[   48.848015]  do_syscall_64+0x30/0x40

 5857 18:29:57.351719  <4>[   48.852329]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5858 18:29:57.358300  <4>[   48.858264] RIP: 0033:0x7faf644ee473

 5859 18:29:57.378041  <4>[   48.862546] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5860 18:29:57.388006  <4>[   48.883821] RSP: 002b:00007fff7221cc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5861 18:29:57.394580  <4>[   48.892570] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007faf644ee473

 5862 18:29:57.404268  <4>[   48.900834] RDX: 0000000000000017 RSI: 00007faf643e2000 RDI: 0000000000000001

 5863 18:29:57.411020  <4>[   48.909098] RBP: 00007faf643e2000 R08: 00007faf643e1010 R09: 0000000000000000

 5864 18:29:57.421486  <4>[   48.917364] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5865 18:29:57.427874  <4>[   48.925628] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5866 18:29:57.434549  <4>[   48.933915] irq event stamp: 0

 5867 18:29:57.447458  htbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_ch<4>[   48.937622] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5868 18:29:57.453770  <4>[   48.951123] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5869 18:29:57.464024  <4>[   48.960551] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5870 18:29:57.473880  <4>[   48.969977] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5871 18:29:57.476724  <4>[   48.977268] ---[ end trace c8f77ca8824754cf ]---

 5872 18:29:57.483349  <6>[   48.982714] lkdtm: Saturation detected: still saturated

 5873 18:29:57.506756  ardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5874 18:29:57.509698  # [   37.230866] CR2: 00007f8363ac1000

 5875 18:29:57.513348  # [   37.234855] ---[ end trace c8f77ca8824754bf ]---

 5876 18:29:57.519452  # [   37.240301] RIP: 0010:lkdtm_BUG+0x5/0x10

 5877 18:29:57.539568  # [   37.244969] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 5878 18:29:57.546150  # [   37.266241] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 5879 18:29:57.556213  # [   37.272364] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 5880 18:29:57.562526  # [   37.280624] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 5881 18:29:57.572524  # [   37.288884] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 5882 18:29:57.579092  # [   37.297142] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5883 18:29:57.589150  # [   37.305410] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 5884 18:29:57.598612  # [   37.313671] FS:  00007f8363a92580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 5885 18:29:57.605114  # [   37.323000] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5886 18:29:57.611846  # [   37.329705] CR2: 00007f8363ac1000 CR3: 0000000102a8c001 CR4: 00000000003706e0

 5887 18:29:57.617975  # ACCESS_USERSPACE: saw 'call trace:': ok

 5888 18:29:57.621580  ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh

 5889 18:29:57.624721  # selftests: lkdtm: ACCESS_NULL.sh

 5890 18:29:57.628507  # Killed

 5891 18:29:57.631549  # [   37.443903] lkdtm: Performing direct entry ACCESS_NULL

 5892 18:29:57.638265  # [   37.455926] lkdtm: attempting bad read at 0000000000000000

 5893 18:29:57.647745  # [   37.462364] BUG: kernel NULL pointer dereference, address: 0000000000000000

 5894 18:29:57.654358  # [   37.476633] #PF: supervisor read access in kernel mode

 5895 18:29:57.661059  # [   37.482659] #PF: error_code(0x0000) - not-present page

 5896 18:29:57.663920  # [   37.488687] PGD 0 P4D 0 

 5897 18:29:57.667773  # [   37.491804] Oops: 0000 [#13] SMP PTI

 5898 18:29:57.677034  # [   37.496074] CPU: 2 PID: 1826 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 5899 18:29:57.684266  # [   37.505007] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5900 18:29:57.690598  # [   37.512104] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 5901 18:29:57.710337  # [   37.517644] Code: 7b d7 fb ff be 00 10 00 00 48 89 ef e8 4d 96 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 9e 9f 85 e8 55 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 9e 9f 85 48 01

 5902 18:29:57.716887  # [   37.538916] RSP: 0018:ffffac1c024dfe58 EFLAGS: 00010246

 5903 18:29:57.726494  # [   37.545039] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 5904 18:29:57.733379  # [   37.553298] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 5905 18:29:57.743077  # [   37.561557] RBP: ffffffff859f8f99 R08: 0000000000000000 R09: 0000000000000000

 5906 18:29:57.749623  # [   37.569818] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 5907 18:29:57.759530  # [   37.578079] R13: ffffac1c024dff10 R14: ffffac1c024dff10 R15: ffff97bcc6f5d000

 5908 18:29:57.768891  # [   37.586357] FS:  00007f1a51d62580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 5909 18:29:57.775888  # [   37.595676] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5910 18:29:57.782985  # [   37.602383] CR2: 0000000000000000 CR3: 0000000103646004 CR4: 00000000003706e0

 5911 18:29:57.785729  # [   37.610660] Call Trace:

 5912 18:29:57.788926  # [   37.613680]  ? __die_body.cold+0x1a/0x1f

 5913 18:29:57.795852  # [   37.618361]  ? no_context+0x177/0x380

 5914 18:29:57.798853  # [   37.622740]  ? exc_page_fault+0x53/0x170

 5915 18:29:57.805214  # [   37.627415]  ? asm_exc_page_fault+0x1e/0x30

 5916 18:29:57.808955  # [   37.632378]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5917 18:29:57.811774  # [   37.637240]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5918 18:29:57.818462  # [   37.642102]  direct_entry.cold+0x2c/0x38

 5919 18:29:57.828785  # [   37.646771]  f<6>[   49.322805] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 5920 18:29:57.835023  <6>[   49.331743] lkdtm: attempting bad refcount_dec() from saturated

 5921 18:29:57.838714  <4>[   49.338652] ------------[ cut here ]------------

 5922 18:29:57.845191  <4>[   49.344108] refcount_t: saturated; leaking memory.

 5923 18:29:57.848175  ull_proxy_write+0x53/0x80

 5924 18:29:57.861681  # [   37.651359]  vfs_write+0xe7/0x3b<4>[   49.349794] WARNING: CPU: 2 PID: 2368 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5925 18:29:57.861764  0

 5926 18:29:57.864758  # [   37.655360]  ksys_write+0x68/0xf0

 5927 18:29:57.920764  # [   37.659358]  do_<4>[   49.365706] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5928 18:29:57.927336  <4>[   49.424701] CPU: 2 PID: 2368 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 5929 18:29:57.937096  <4>[   49.433675] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5930 18:29:57.940550  <4>[   49.440776] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5931 18:29:57.963519  <4>[   49.446909] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 95 85 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95

 5932 18:29:57.969902  <4>[   49.468216] RSP: 0018:ffffac1c02d4fe48 EFLAGS: 00010286

 5933 18:29:57.976728  <4>[   49.474379] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 5934 18:29:57.986268  <4>[   49.482669] RDX: ffff97bd3ad2c660 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 5935 18:29:57.992927  <4>[   49.490933] RBP: ffffffff859f9073 R08: 0000000000000000 R09: 0000000000000000

 5936 18:29:58.002732  <4>[   49.499228] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5937 18:29:58.009637  <4>[   49.507492] R13: ffffac1c02d4ff10 R14: ffffac1c02d4ff10 R15: ffff97bcc30f5000

 5938 18:29:58.019138  <4>[   49.515756] FS:  00007f1894a26580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 5939 18:29:58.026108  <4>[   49.525088] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5940 18:29:58.035657  <4>[   49.531799] CR2: 00007f1894830000 CR3: 0000000105f06005 CR4: 00000000003706e0

 5941 18:29:58.039224  <4>[   49.540061] Call Trace:

 5942 18:29:58.042335  <4>[   49.543086]  ? __warn+0x80/0x110

 5943 18:29:58.045967  syscall_64+0x30/0x40

 5944 18:29:58.052228  # [   37.663636]  entry_SYSCALL_64_after_h<4>[   49.547011]  ? refcount_warn_saturate+0x51/0x110

 5945 18:29:58.058836  <4>[   49.558667]  ? report_bug+0x9e/0xc0

 5946 18:29:58.061991  <4>[   49.562887]  ? handle_bug+0x41/0x90

 5947 18:29:58.065713  <4>[   49.567103]  ? exc_invalid_op+0x14/0x70

 5948 18:29:58.071833  <4>[   49.571679]  ? asm_exc_invalid_op+0x12/0x20

 5949 18:29:58.078658  <4>[   49.576696]  ? refcount_warn_saturate+0x51/0x110

 5950 18:29:58.078741  wframe+0x61/0xc6

 5951 18:29:58.081759  # [   37.669565] RIP: 0033:0x7f1a51c78473

 5952 18:29:58.088296  # [<4>[   49.582159]  ? refcount_warn_saturate+0x51/0x110

 5953 18:29:58.095129  <4>[   49.593809]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 5954 18:29:58.098340  <4>[   49.599552]  direct_entry.cold+0x2c/0x38

 5955 18:29:58.104889  <4>[   49.604255]  full_proxy_write+0x53/0x80

 5956 18:29:58.114708     37.673843] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff<4>[   49.608866]  vfs_write+0xe7/0x3b0

 5957 18:29:58.118316  <4>[   49.619068]  ksys_write+0x68/0xf0

 5958 18:29:58.121047  <4>[   49.623062]  do_syscall_64+0x30/0x40

 5959 18:29:58.128208  <4>[   49.627390]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5960 18:29:58.137983   ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 <4>[   49.633363] RIP: 0033:0x7f189493c473

 5961 18:29:58.160688  <4>[   49.643860] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5962 18:29:58.167382  <4>[   49.665136] RSP: 002b:00007ffcfc69bf18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5963 18:29:58.177068  <4>[   49.673885] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f189493c473

 5964 18:29:58.183699  <4>[   49.682148] RDX: 0000000000000017 RSI: 00007f1894830000 RDI: 0000000000000001

 5965 18:29:58.193533  <4>[   49.690413] RBP: 00007f1894830000 R08: 00007f189482f010 R09: 0000000000000000

 5966 18:29:58.200618  <4>[   49.698675] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5967 18:29:58.210294  <4>[   49.706940] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5968 18:29:58.214118  <4>[   49.715207] irq event stamp: 0

 5969 18:29:58.227061  01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83<4>[   49.718932] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5970 18:29:58.236671  <4>[   49.732435] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5971 18:29:58.246560  <4>[   49.741865] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 5972 18:29:58.253111  <4>[   49.751293] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5973 18:29:58.259752  <4>[   49.758585] ---[ end trace c8f77ca8824754d0 ]---

 5974 18:29:58.266465  <6>[   49.764033] lkdtm: Saturation detected: still saturated

 5975 18:29:58.266540   ec 28 48 89 54 24 18

 5976 18:29:58.276096  # [   37.695114] RSP: 002b:00007ffe849cd088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5977 18:29:58.282857  # [   37.703859] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1a51c78473

 5978 18:29:58.293052  # [   37.712118] RDX: 000000000000000c RSI: 00007f1a51b6c000 RDI: 0000000000000001

 5979 18:29:58.299363  # [   37.720377] RBP: 00007f1a51b6c000 R08: 00007f1a51b6b010 R09: 0000000000000000

 5980 18:29:58.309267  # [   37.728637] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5981 18:29:58.315952  # [   37.736896] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5982 18:29:58.368619  # [   37.745158] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5983 18:29:58.378502  # [   37.80414<6>[   49.875495] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 5984 18:29:58.381586  4] CR2: 0000000000000000

 5985 18:29:58.391923  # [   37.808131] ---[ end trace c8f77c<6>[   49.883854] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 5986 18:29:58.394936  a8824754c0 ]---

 5987 18:29:58.397992  # [   37.813575] RIP: 0010:lkdtm_BUG+0x5/0x10

 5988 18:29:58.405134  <4>[   49.897857] ------------[ cut here ]------------

 5989 18:29:58.418149  # [   37.818244] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff<4>[   49.909515] refcount_t: saturated; leaking memory.

 5990 18:29:58.431052   eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff <4>[   49.921389] WARNING: CPU: 0 PID: 2400 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5991 18:29:58.490495  eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44<4>[   49.937414] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5992 18:29:58.493759   00 00 83 05 10 51 e9 02

 5993 18:29:58.507193  # [   37.839516] RSP: 0018:ffffac1c013<4>[   49.996277] CPU: 0 PID: 2400 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 5994 18:29:58.510295  27e60 EFLAGS: 00010282

 5995 18:29:58.520330  # [   37.845639] RAX: ffffffff84579a80 R<4>[   50.011509] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5996 18:29:58.523169  BX: 0000000000000001 RCX: 0000000000000000

 5997 18:29:58.533360  # [   37.853898] RDX<4>[   50.024790] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5998 18:29:58.539812  : 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 5999 18:29:58.559412  <4>[   50.037158] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 85 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95

 6000 18:29:58.572354  # [   37.862157] RBP: ffffffff85a5d470 R08: 0000000000000001 R09<4>[   50.064628] RSP: 0018:ffffac1c02dcfe38 EFLAGS: 00010282

 6001 18:29:58.572451  : 0000000000000001

 6002 18:29:58.586017  # [   37.870415] R10: 00000000ffffe000 R11: <4>[   50.077006] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6003 18:29:58.589208  3fffffffffffffff R12: 0000000000000004

 6004 18:29:58.602559  # [   37.878673] R13: ff<4>[   50.091507] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70

 6005 18:29:58.605708  ffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 6006 18:29:58.616031  # [ <4>[   50.105987] RBP: ffffffff859f8ca0 R08: 0000000000000000 R09: 0000000000000000

 6007 18:29:58.628479    37.886933] FS:  00007f1a51d62580(0000) GS:ffff97bd3ad00000(000<4>[   50.120467] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6008 18:29:58.632064  0) knlGS:0000000000000000

 6009 18:29:58.645247  # [   37.896259] CS:  0010 DS: 0000 E<4>[   50.134951] R13: ffffac1c02dcff10 R14: ffffac1c02dcff10 R15: ffff97bcc324a000

 6010 18:29:58.648797  S: 0000 CR0: 0000000080050033

 6011 18:29:58.662023  # [   37.902966] CR2: 00000000000<4>[   50.149471] FS:  00007f1c9b376580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 6012 18:29:58.664770  00000 CR3: 0000000103646004 CR4: 00000000003706e0

 6013 18:29:58.674727  # ACCESS_NULL<4>[   50.165013] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6014 18:29:58.675156  : saw 'call trace:': ok

 6015 18:29:58.681383  ok 38 selftests: lkdtm: ACCESS_NULL.sh

 6016 18:29:58.687923  <4>[   50.177923] CR2: 00007f1c9b180000 CR3: 00000001030d6002 CR4: 00000000003706f0

 6017 18:29:58.688383  

 6018 18:29:58.691002  # selftests: lkdtm: WRITE_RO.sh

 6019 18:29:58.691418  # Killed

 6020 18:29:58.697799  # [   38.002350] lkd<4>[   50.192450] Call Trace:

 6021 18:29:58.700874  tm: Performing direct entry WRITE_RO

 6022 18:29:58.707675  # [   38.010227] lkdtm: at<4>[   50.201712]  ? __warn+0x80/0x110

 6023 18:29:58.710784  tempting bad rodata write at ffffffff8557ed50

 6024 18:29:58.717538  # [   38.017460] <4>[   50.211802]  ? refcount_warn_saturate+0x97/0x110

 6025 18:29:58.724150  BUG: unable to handle page fault for address: ffffffff8557ed50

 6026 18:29:58.730762  <4>[   50.223512]  ? report_bug+0x9e/0xc0

 6027 18:29:58.733794  # [   38.025435] #PF: supervisor write access in kernel mode

 6028 18:29:58.740293  # <4>[   50.233933]  ? handle_bug+0x41/0x90

 6029 18:29:58.747182  [   38.031560] #PF: error_code(0x0003) - permissions violation

 6030 18:29:58.750578  <4>[   50.244316]  ? exc_invalid_op+0x14/0x70

 6031 18:29:58.760059  # [   38.038072] PGD 41c29067 P4D 41c29067 PUD 41c2a063 PMD 8000<4>[   50.255153]  ? asm_exc_invalid_op+0x12/0x20

 6032 18:29:58.763270  0000414000e1 

 6033 18:29:58.766776  # [   38.045848] Oops: 0003 [#14] SMP PTI

 6034 18:29:58.773351  # [   <4>[   50.266307]  ? refcount_warn_saturate+0x97/0x110

 6035 18:29:58.786600  38.050128] CPU: 2 PID: 1861 Comm: cat Tainted: G      D W       <4>[   50.277975]  ? refcount_warn_saturate+0x97/0x110

 6036 18:29:58.787038    5.10.185-cip35 #1

 6037 18:29:58.796425  # [   38.059059] Hardware name: Google Ramm<4>[   50.289628]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6038 18:29:58.799910  us/Rammus, BIOS  09/04/2020

 6039 18:29:58.809467  # [   38.066155] RIP: 0010:lkdtm_WR<4>[   50.302256]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 6040 18:29:58.812719  ITE_RO+0x2e/0x3a

 6041 18:29:58.822644  # [   38.071412] Code: 00 48 c7 c7 88 9d 9f 85<4>[   50.315117]  direct_entry.cold+0x2c/0x38

 6042 18:29:58.832372   48 c7 c6 50 ed 57 85 e8 ff d9 fb ff 48 8b 05 b7 36 97 00 ba 34 <4>[   50.326023]  full_proxy_write+0x53/0x80

 6043 18:29:58.842057  12 cd ab 48 c7 c7 b8 9d 9f 85 48 31 d0 <48> 89 05 a1 36 97 00 e9<4>[   50.336831]  vfs_write+0xe7/0x3b0

 6044 18:29:58.845654   dd d9 fb ff 0f 1f 44 00 00 48 8b 05 70 2c

 6045 18:29:58.851739  # [   38.092686] RSP<4>[   50.347048]  ksys_write+0x68/0xf0

 6046 18:29:58.855163  : 0018:ffffac1c0249fe60 EFLAGS: 00010202

 6047 18:29:58.862019  # [   38.098802] RAX: <4>[   50.357250]  do_syscall_64+0x30/0x40

 6048 18:29:58.868633  000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 6049 18:29:58.875444  # <4>[   50.367765]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6050 18:29:58.884833  [   38.107062] RDX: 00000000abcd1234 RSI: ffff97bd3ad1bf70 RDI: <4>[   50.379924] RIP: 0033:0x7f1c9b28c473

 6051 18:29:58.888262  ffffffff859f9db8

 6052 18:29:58.914642  # [   38.115323] RBP: ffffffff859f8fa5 R08: 00<4>[   50.390446] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6053 18:29:58.917522  00000000000000 R09: 0000000000000000

 6054 18:29:58.927372  # [   38.123585] R10: 0000<4>[   50.417965] RSP: 002b:00007ffff6b899a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6055 18:29:58.934495  0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 6056 18:29:58.943812  # [   <4>[   50.432936] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1c9b28c473

 6057 18:29:58.957452  38.131846] R13: ffffac1c0249ff10 R14: ffffac1c0249ff10 R15: ffff<4>[   50.447445] RDX: 0000000000000020 RSI: 00007f1c9b180000 RDI: 0000000000000001

 6058 18:29:58.957541  97bcc31a4000

 6059 18:29:58.970691  # [   38.140106] FS:  00007f9ccc940580(0000) GS:ff<4>[   50.461904] RBP: 00007f1c9b180000 R08: 00007f1c9b17f010 R09: 0000000000000000

 6060 18:29:58.977412  ff97bd3ad00000(0000) knlGS:0000000000000000

 6061 18:29:58.987242  # [   38.149433] CS<4>[   50.476397] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6062 18:29:58.990587  :  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6063 18:29:59.000219  # [   38.156137<4>[   50.490863] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6064 18:29:59.009684  ] CR2: ffffffff8557ed50 CR3: 000000010349e006 CR4: 0000000000370<4>[   50.505369] irq event stamp: 0

 6065 18:29:59.009769  6e0

 6066 18:29:59.013174  # [   38.164409] Call Trace:

 6067 18:29:59.023093  # [   38.167429]  ? __die_bod<4>[   50.515258] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6068 18:29:59.026173  y.cold+0x1a/0x1f

 6069 18:29:59.029783  # [   38.172098]  ? no_context+0x177/0x380

 6070 18:29:59.039908  # <4>[   50.528773] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6071 18:29:59.042992  [   38.176475]  ? exc_page_fault+0xd7/0x170

 6072 18:29:59.055762  # [   38.181143]  ?<4>[   50.544416] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6073 18:29:59.059177   asm_exc_page_fault+0x1e/0x30

 6074 18:29:59.069143  # [   38.186105]  ? lkdtm_WRITE_R<4>[   50.560076] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6075 18:29:59.069226  O+0x2e/0x3a

 6076 18:29:59.075401  # [   38.190674]  direct_entry.cold+0x2c/0x38

 6077 18:29:59.078987  # [ <4>[   50.573565] ---[ end trace c8f77ca8824754d1 ]---

 6078 18:29:59.085556    38.195360]  full_proxy_write+0x53/0x80

 6079 18:29:59.092348  # [   38.199932]  vfs_<6>[   50.585240] lkdtm: Saturation detected: still saturated

 6080 18:29:59.095379  write+0xe7/0x3b0

 6081 18:29:59.098848  # [   38.203911]  ksys_write+0x68/0xf0

 6082 18:29:59.101935  # [   38.207900]  do_syscall_64+0x30/0x40

 6083 18:29:59.108548  # [   38.212179]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6084 18:29:59.111596  # [   38.218108] RIP: 0033:0x7f9ccc856473

 6085 18:29:59.135026  # [   38.222387] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6086 18:29:59.141399  # [   38.243658] RSP: 002b:00007ffd3954de98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6087 18:29:59.151168  # [   38.252409] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f9ccc856473

 6088 18:29:59.157802  # [   38.260667] RDX: 0000000000000009 RSI: 00007f9ccc74a000 RDI: 0000000000000001

 6089 18:29:59.167461  # [   38.268926] RBP: 00007f9ccc74a000 R08: 00007f9ccc749010 R09: 0000000000000000

 6090 18:29:59.177293  # [   38.277186] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6091 18:29:59.184120  # [   38.285446] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6092 18:29:59.240194  # [   38.293709] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6093 18:29:59.243088  # [   38.352696] CR2: ffffffff8557ed50

 6094 18:29:59.249487  # [   38.356684] ---[ end trace c8f77ca8824754c1 ]---

 6095 18:29:59.253063  # [   38.362129] RIP: 0010:lkdtm_BUG+0x5/0x10

 6096 18:29:59.275932  # [   38.366795] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 6097 18:29:59.282294  # [   38.388066] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 6098 18:29:59.289166  # [   38.394189] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 6099 18:29:59.299477  # [   38.402448] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 6100 18:29:59.306038  # [   38.410707] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 6101 18:29:59.315365  # [   38.418967] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 6102 18:29:59.322243  # [   38.427227] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 6103 18:29:59.332336  # [   38.435486] FS:  00007f9ccc940580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 6104 18:29:59.338548  # [   38.444813] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6105 18:29:59.348721  # [   38.451520] CR2: ffffffff8557ed50 CR3: 000000010349e006 CR4: 00000000003706e0

 6106 18:29:59.358404  # [   38.459778] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 6107 18:29:59.365108  # [   38.469979] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1861, name: cat

 6108 18:29:59.371841  # [   38.478723] INFO: lockdep is turned off.

 6109 18:29:59.374933  # [   38.483406] irq event stamp: 0

 6110 18:29:59.381621  # [   38.487102] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6111 18:29:59.391352  # [   38.494410] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6112 18:29:59.401411  # [   38.503837] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6113 18:29:59.408045  # [   38.513252] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6114 18:29:59.417605  # [   38.520539] CPU: 2 PID: 1861 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 6115 18:29:59.431126  # [   38.529478] Hardware name: Google Rammus/Rammus, BIOS<6>[   50.927052] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 6116 18:29:59.431213    09/04/2020

 6117 18:29:59.434073  # [   38.536571] Call Trace:

 6118 18:29:59.444109  # [   38.539590]  du<6>[   50.935166] lkdtm: attempting bad refcount_add_not_zero() from saturated

 6119 18:29:59.447343  mp_stack+0x77/0x9b

 6120 18:29:59.457627  # [   38.543579]  ___might_sleep.cold+0xa6/0<4>[   50.949169] ------------[ cut here ]------------

 6121 18:29:59.457710  xb6

 6122 18:29:59.460654  # [   38.548442]  exit_signals+0x1c/0x300

 6123 18:29:59.467435  # [   38.552720]<4>[   50.960834] refcount_t: saturated; leaking memory.

 6124 18:29:59.470603    do_exit+0xc2/0xab0

 6125 18:29:59.473645  # [   38.556515]  ? ksys_write+0x68/0xf0

 6126 18:29:59.483519  <4>[   50.972702] WARNING: CPU: 0 PID: 2432 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6127 18:29:59.487007  # [   38.560696]  make_task_dead+0x2f/0x30

 6128 18:29:59.542837  # [   38.565072]  re<4>[   50.988675] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6129 18:29:59.546049  wind_stack_and_make_dead+0x17/0x20

 6130 18:29:59.559511  # [   38.570614] RIP: 0033:0<4>[   51.047601] CPU: 0 PID: 2432 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 6131 18:29:59.559603  x7f9ccc856473

 6132 18:29:59.572489  # [   38.574891] Code: 8b 15 21 2a 0e 00 f7 d8 64<4>[   51.062799] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6133 18:29:59.582454   89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 <4>[   51.076111] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6134 18:29:59.612029  00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3<4>[   51.088471] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 85 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95

 6135 18:29:59.615757   0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6136 18:29:59.622159  # [   38.596163] RSP: 0<4>[   51.115964] RSP: 0018:ffffac1c02e6fe38 EFLAGS: 00010282

 6137 18:29:59.638250  02b:00007ffd3954de98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001<4>[   51.128321] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6138 18:29:59.638335  

 6139 18:29:59.651977  # [   38.604900] RAX: ffffffffffffffda RBX: 0000000000000009 R<4>[   51.142764] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70

 6140 18:29:59.654838  CX: 00007f9ccc856473

 6141 18:29:59.667885  # [   38.613159] RDX: 0000000000000009 RSI<4>[   51.157247] RBP: ffffffff859f8cc0 R08: 0000000000000000 R09: 0000000000000000

 6142 18:29:59.671491  : 00007f9ccc74a000 RDI: 0000000000000001

 6143 18:29:59.681373  # [   38.621417] RBP: <4>[   51.171742] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6144 18:29:59.687950  00007f9ccc74a000 R08: 00007f9ccc749010 R09: 0000000000000000

 6145 18:29:59.694396  # <4>[   51.186184] R13: ffffac1c02e6ff10 R14: ffffac1c02e6ff10 R15: ffff97bcc375a000

 6146 18:29:59.710840  [   38.629675] R10: fffffffffffffbc5 R11: 0000000000000246 R12: <4>[   51.200703] FS:  00007f4eec662580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 6147 18:29:59.714197  0000000000000001

 6148 18:29:59.724008  # [   38.637935] R13: 0000000000000001 R14: 00<4>[   51.216234] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6149 18:29:59.727656  00000000020000 R15: 0000000000020000

 6150 18:29:59.737279  # WRITE_RO: saw 'call trac<4>[   51.229202] CR2: 00007f4eec46c000 CR3: 0000000103752006 CR4: 00000000003706f0

 6151 18:29:59.740633  e:': ok

 6152 18:29:59.743651  ok 39 selftests: lkdtm: WRITE_RO.sh

 6153 18:29:59.746760  # selftests: lkdtm<4>[   51.243699] Call Trace:

 6154 18:29:59.750509  : WRITE_RO_AFTER_INIT.sh

 6155 18:29:59.750596  # Killed

 6156 18:29:59.756814  # [   38.755170] lkdtm: Perf<4>[   51.252940]  ? __warn+0x80/0x110

 6157 18:29:59.763870  orming direct entry WRITE_RO_AFTER_INIT

 6158 18:29:59.770149  # [   38.764933] lkdtm:<4>[   51.263071]  ? refcount_warn_saturate+0x97/0x110

 6159 18:29:59.776731   attempting bad ro_after_init write at ffffffff85a7e330

 6160 18:29:59.779838  # [   3<4>[   51.274753]  ? report_bug+0x9e/0xc0

 6161 18:29:59.789682  8.772824] BUG: unable to handle page fault for address: ffffffff<4>[   51.285161]  ? handle_bug+0x41/0x90

 6162 18:29:59.793586  85a7e330

 6163 18:29:59.803081  # [   38.786995] #PF: supervisor write access in kerne<4>[   51.295545]  ? exc_invalid_op+0x14/0x70

 6164 18:29:59.803282  l mode

 6165 18:29:59.812663  # [   38.793119] #PF: error_code(0x0003) - permissions v<4>[   51.306370]  ? asm_exc_invalid_op+0x12/0x20

 6166 18:29:59.812993  iolation

 6167 18:29:59.826198  # [   38.799631] PGD 41c29067 P4D 41c29067 PUD 41c2a06<4>[   51.317572]  ? refcount_warn_saturate+0x97/0x110

 6168 18:29:59.829693  3 PMD 1028da063 PTE 8000000041a7e061

 6169 18:29:59.836273  # [   38.808671] Oops: 000<4>[   51.329252]  ? refcount_warn_saturate+0x97/0x110

 6170 18:29:59.839269  3 [#15] SMP PTI

 6171 18:29:59.849341  # [   38.812950] CPU: 3 PID: 1896 Comm: cat Tai<4>[   51.340882]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6172 18:29:59.853087  nted: G      D W         5.10.185-cip35 #1

 6173 18:29:59.862219  # [   38.821887] Har<4>[   51.353580]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 6174 18:29:59.866098  dware name: Google Rammus/Rammus, BIOS  09/04/2020

 6175 18:29:59.872599  # [   38.828<4>[   51.366414]  direct_entry.cold+0x2c/0x38

 6176 18:29:59.878885  985] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 6177 18:29:59.881992  # [   38.835<4>[   51.377338]  full_proxy_write+0x53/0x80

 6178 18:29:59.895329  303] Code: 9d 9f 85 e9 b1 d9 fb ff 48 c7 c7 10 9e 9f 85 e8 a5 d9<4>[   51.388103]  vfs_write+0xe7/0x3b0

 6179 18:29:59.905180   fb ff 48 8b 05 3d 2c e7 00 ba 34 12 cd ab 48 c7 c7 b8 9d 9f 85 <4>[   51.398333]  ksys_write+0x68/0xf0

 6180 18:29:59.914789  48 31 d0 <48> 89 05 27 2c e7 00 e9 83 d9 fb ff 0f 1f 44 00 00 41<4>[   51.408511]  do_syscall_64+0x30/0x40

 6181 18:29:59.915258   54 48 c7 c7

 6182 18:29:59.928109  # [   38.856572] RSP: 0018:ffffac1c025e7e60 EFLAGS<4>[   51.419039]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6183 18:29:59.928591  : 00010202

 6184 18:29:59.937809  # [   38.862694] RAX: 00000000fe67479e RBX: 00000000<4>[   51.431194] RIP: 0033:0x7f4eec578473

 6185 18:29:59.940907  00000029 RCX: 0000000000000000

 6186 18:29:59.963745  # [   38.870954] RDX: 00000000ab<4>[   51.441710] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6187 18:29:59.970216  cd1234 RSI: ffff97bd3ad9bf70 RDI: ffffffff859f9db8

 6188 18:29:59.980182  # [   38.879<4>[   51.469194] RSP: 002b:00007fffbc0172b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6189 18:29:59.993786  214] RBP: ffffffff859f8fae R08: 0000000000000000 R09: 0000000000<4>[   51.484167] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4eec578473

 6190 18:29:59.993870  000000

 6191 18:30:00.006861  # [   38.887471] R10: 00000000ffffe000 R11: 3fffffffffff<4>[   51.498639] RDX: 0000000000000020 RSI: 00007f4eec46c000 RDI: 0000000000000001

 6192 18:30:00.009928  ffff R12: 0000000000000014

 6193 18:30:00.023342  # [   38.895730] R13: ffffac1c025e7f<4>[   51.513129] RBP: 00007f4eec46c000 R08: 00007f4eec46b010 R09: 0000000000000000

 6194 18:30:00.026286  10 R14: ffffac1c025e7f10 R15: ffff97bcc2996000

 6195 18:30:00.036396  # [   38.903989]<4>[   51.527600] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6196 18:30:00.052867   FS:  00007f656773b580(0000) GS:ffff97bd3ad80000(0000) knlGS:000<4>[   51.542098] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6197 18:30:00.052955  0000000000000

 6198 18:30:00.062840  # [   38.913316] CS:  0010 DS: 0000 ES: 0000 CR0:<4>[   51.556570] irq event stamp: 0

 6199 18:30:00.062924   0000000080050033

 6200 18:30:00.075674  # [   38.920022] CR2: ffffffff85a7e330 CR3: 0<4>[   51.566492] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6201 18:30:00.079419  0000001029ca004 CR4: 00000000003706e0

 6202 18:30:00.089199  # [   38.928283] Call Tra<4>[   51.580001] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6203 18:30:00.092498  ce:

 6204 18:30:00.095790  # [   38.931302]  ? __die_body.cold+0x1a/0x1f

 6205 18:30:00.105539  # [   38.935<4>[   51.595648] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6206 18:30:00.109199  972]  ? no_context+0x177/0x380

 6207 18:30:00.118755  # [   38.940360]  ? exc_page_fau<4>[   51.611288] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6208 18:30:00.122290  lt+0xd7/0x170

 6209 18:30:00.125485  # [   38.945028]  ? asm_exc_page_fault+0x1e/0x30

 6210 18:30:00.131989  <4>[   51.624808] ---[ end trace c8f77ca8824754d2 ]---

 6211 18:30:00.132070  

 6212 18:30:00.138581  # [   38.949990]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 6213 18:30:00.145352  # [   <6>[   51.636458] lkdtm: Saturation detected: still saturated

 6214 18:30:00.148575  38.955629]  direct_entry.cold+0x2c/0x38

 6215 18:30:00.151481  # [   38.960298]  full_proxy_write+0x53/0x80

 6216 18:30:00.154954  # [   38.964871]  vfs_write+0xe7/0x3b0

 6217 18:30:00.162126  # [   38.968861]  ksys_write+0x68/0xf0

 6218 18:30:00.165037  # [   38.972850]  do_syscall_64+0x30/0x40

 6219 18:30:00.171495  # [   38.977127]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6220 18:30:00.175087  # [   38.983057] RIP: 0033:0x7f6567651473

 6221 18:30:00.194738  # [   38.987356] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6222 18:30:00.204496  # [   39.008626] RSP: 002b:00007ffd7e726228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6223 18:30:00.211297  # [   39.017372] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f6567651473

 6224 18:30:00.220992  # [   39.025630] RDX: 0000000000000014 RSI: 00007f6567545000 RDI: 0000000000000001

 6225 18:30:00.227975  # [   39.033891] RBP: 00007f6567545000 R08: 00007f6567544010 R09: 0000000000000000

 6226 18:30:00.237810  # [   39.042151] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6227 18:30:00.243865  # [   39.050410] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6228 18:30:00.263793  # [   39.058674] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indust<6>[   51.760353] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 6229 18:30:00.276846  rialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cr<6>[   51.768634] lkdtm: attempting bad refcount_dec_and_test() from saturated

 6230 18:30:00.290077  os_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbp<4>[   51.782659] ------------[ cut here ]------------

 6231 18:30:00.300189  d_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videob<4>[   51.794316] refcount_t: underflow; use-after-free.

 6232 18:30:00.316632  uf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videob<4>[   51.806182] WARNING: CPU: 0 PID: 2467 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6233 18:30:00.375843  uf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common <4>[   51.822115] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6234 18:30:00.392430  snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_<4>[   51.881092] CPU: 0 PID: 2467 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 6235 18:30:00.395528  pstore cros_kbd_led_backlight coreboot_table

 6236 18:30:00.405425  # [   39.117661] C<4>[   51.896211] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6237 18:30:00.405552  R2: ffffffff85a7e330

 6238 18:30:00.415249  # [   39.121648] ---[ end trace c8f77ca882<4>[   51.909567] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6239 18:30:00.418954  4754c2 ]---

 6240 18:30:00.422055  # [   39.127093] RIP: 0010:lkdtm_BUG+0x5/0x10

 6241 18:30:00.445132  # [ <4>[   51.921893] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 85 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7

 6242 18:30:00.457808    39.131751] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb <4>[   51.949436] RSP: 0018:ffffac1c02ef7e40 EFLAGS: 00010286

 6243 18:30:00.471139  de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c<4>[   51.961822] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 6244 18:30:00.484936  9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 <4>[   51.976289] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70

 6245 18:30:00.487724  00 83 05 10 51 e9 02

 6246 18:30:00.500922  # [   39.153021] RSP: 0018:ffffac1c01327e6<4>[   51.990858] RBP: ffffffff859f8ce0 R08: 0000000000000000 R09: 0000000000000000

 6247 18:30:00.501002  0 EFLAGS: 00010282

 6248 18:30:00.514346  # [   39.159145] RAX: ffffffff84579a80 RBX: <4>[   52.005265] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6249 18:30:00.517523  0000000000000001 RCX: 0000000000000000

 6250 18:30:00.530632  # [   39.167406] RDX: 00<4>[   52.019847] R13: ffffac1c02ef7f10 R14: ffffac1c02ef7f10 R15: ffff97bcc5cf6000

 6251 18:30:00.533704  00000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 6252 18:30:00.543982  # [ <4>[   52.034249] FS:  00007effda619580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 6253 18:30:00.556667    39.175657] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 00<4>[   52.049896] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6254 18:30:00.560388  00000000000001

 6255 18:30:00.573848  # [   39.183915] R10: 00000000ffffe000 R11: 3fff<4>[   52.062731] CR2: 00007effda423000 CR3: 000000010300c004 CR4: 00000000003706f0

 6256 18:30:00.576905  ffffffffffff R12: 0000000000000004

 6257 18:30:00.580192  # [   39.192176] R13: ffffac<4>[   52.077228] Call Trace:

 6258 18:30:00.586512  1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 6259 18:30:00.593509  # [   39<4>[   52.086443]  ? __warn+0x80/0x110

 6260 18:30:00.603231  .200435] FS:  00007f656773b580(0000) GS:ffff97bd3ad80000(0000) k<4>[   52.096566]  ? refcount_warn_saturate+0xba/0x110

 6261 18:30:00.606267  nlGS:0000000000000000

 6262 18:30:00.612842  # [   39.209764] CS:  0010 DS: 0000 ES: 0<4>[   52.108214]  ? report_bug+0x9e/0xc0

 6263 18:30:00.616430  000 CR0: 0000000080050033

 6264 18:30:00.625995  # [   39.216468] CR2: ffffffff85a7e33<4>[   52.118630]  ? refcount_warn_saturate+0xba/0x110

 6265 18:30:00.629818  0 CR3: 00000001029ca004 CR4: 00000000003706e0

 6266 18:30:00.635933  # WRITE_RO_AFTER_<4>[   52.130279]  ? handle_bug+0x41/0x90

 6267 18:30:00.639686  INIT: saw 'call trace:': ok

 6268 18:30:00.646054  ok 40 selftests: lkdtm: WRITE_RO_AF<4>[   52.140699]  ? exc_invalid_op+0x14/0x70

 6269 18:30:00.649041  TER_INIT.sh

 6270 18:30:00.652188  # selftests: lkdtm: WRITE_KERN.sh

 6271 18:30:00.652269  # Killed

 6272 18:30:00.658927  # [   <4>[   52.151473]  ? asm_exc_invalid_op+0x12/0x20

 6273 18:30:00.662609  39.330218] lkdtm: Performing direct entry WRITE_KERN

 6274 18:30:00.668676  # [   39.3<4>[   52.162663]  ? refcount_warn_saturate+0xba/0x110

 6275 18:30:00.681800  36373] lkdtm: attempting bad 6887363 byte write at ffffffff84c0b<4>[   52.174336]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6276 18:30:00.681890  613

 6277 18:30:00.695520  # [   39.350373] BUG: unable to handle page fault for addre<4>[   52.186989]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 6278 18:30:00.698353  ss: ffffffff84c0b613

 6279 18:30:00.705266  # [   39.364540] #PF: supervisor write acc<4>[   52.199808]  direct_entry.cold+0x2c/0x38

 6280 18:30:00.708173  ess in kernel mode

 6281 18:30:00.714955  # [   39.370664] #PF: error_code(0x0003) - p<4>[   52.210693]  full_proxy_write+0x53/0x80

 6282 18:30:00.718659  ermissions violation

 6283 18:30:00.727967  # [   39.377175] PGD 41c29067 P4D 41c29067<4>[   52.221487]  vfs_write+0xe7/0x3b0

 6284 18:30:00.728057   PUD 41c2a063 PMD 40c000e1 

 6285 18:30:00.738230  # [   39.384176] Oops: 0003 [#16] S<4>[   52.231675]  ksys_write+0x68/0xf0

 6286 18:30:00.738314  MP PTI

 6287 18:30:00.747855  # [   39.388457] CPU: 1 PID: 1931 Comm: cat Tainted: G  <4>[   52.241882]  do_syscall_64+0x30/0x40

 6288 18:30:00.751479      D W         5.10.185-cip35 #1

 6289 18:30:00.760967  # [   39.397396] Hardware nam<4>[   52.252445]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6290 18:30:00.764647  e: Google Rammus/Rammus, BIOS  09/04/2020

 6291 18:30:00.771302  # [   39.404514] RIP:<4>[   52.264529] RIP: 0033:0x7effda52f473

 6292 18:30:00.774476   0010:lkdtm_WRITE_KERN+0x38/0x4e

 6293 18:30:00.797750  # [   39.416167] Code: 53 48 c<4>[   52.275028] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6294 18:30:00.813606  7 c3 13 b6 c0 84 49 89 dc 48 89 da 49 81 ec 50 9e 57 84 4c 89 e6<4>[   52.302560] RSP: 002b:00007ffe6c9bd5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6295 18:30:00.826745   e8 58 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 50 9e 57 84 <f3> a4 4<4>[   52.317542] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007effda52f473

 6296 18:30:00.833859  8 c7 c7 b8 9d 9f 85 e8 3d d9 fb ff 5b 41 5c e9 b7 fe ff ff

 6297 18:30:00.840527  # [ <4>[   52.332024] RDX: 0000000000000020 RSI: 00007effda423000 RDI: 0000000000000001

 6298 18:30:00.846550    39.437427] RSP: 0018:ffffac1c02687e50 EFLAGS: 00010246

 6299 18:30:00.856639  # [   <4>[   52.346501] RBP: 00007effda423000 R08: 00007effda422010 R09: 0000000000000000

 6300 18:30:00.869607  39.443550] RAX: 000000000000003c RBX: ffffffff84c0b613 RCX: 0000<4>[   52.360982] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6301 18:30:00.873290  0000006917c3

 6302 18:30:00.885779  # [   39.451811] RDX: 0000000000000000 RSI: ffffff<4>[   52.375459] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6303 18:30:00.889310  ff84579e50 RDI: ffffffff84c0b613

 6304 18:30:00.896152  # [   39.460069] RBP: ffffffff<4>[   52.389947] irq event stamp: 0

 6305 18:30:00.899077  859f8fc2 R08: 0000000000000000 R09: 0000000000000000

 6306 18:30:00.909092  # [   39.4<4>[   52.399842] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6307 18:30:00.925785  68329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000<4>[   52.413375] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6308 18:30:00.925879  006917c3

 6309 18:30:00.938634  # [   39.476613] R13: ffffac1c02687f10 R14: ffffac1c02<4>[   52.429050] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6310 18:30:00.942165  687f10 R15: ffff97bcc371b000

 6311 18:30:00.951625  # [   39.484873] FS:  00007f041f2a<4>[   52.444671] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6312 18:30:00.958092  c580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000

 6313 18:30:00.964797  # [<4>[   52.458208] ---[ end trace c8f77ca8824754d3 ]---

 6314 18:30:00.971550     39.494200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6315 18:30:00.977942  <6>[   52.469844] lkdtm: Saturation detected: still saturated

 6316 18:30:00.978041  

 6317 18:30:00.984495  # [   39.500905] CR2: ffffffff84c0b613 CR3: 00000001035ce004 CR4: 00000000003706e0

 6318 18:30:00.988158  # [   39.509165] Call Trace:

 6319 18:30:00.994718  # [   39.512184]  ? __die_body.cold+0x1a/0x1f

 6320 18:30:00.997734  # [   39.516855]  ? no_context+0x177/0x380

 6321 18:30:01.004074  # [   39.527443]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6322 18:30:01.007773  # [   39.533181]  ? exc_page_fault+0xd7/0x170

 6323 18:30:01.011148  # [   39.544061]  ? asm_exc_page_fault+0x1e/0x30

 6324 18:30:01.017562  # [   39.549019]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6325 18:30:01.024059  # [   39.554757]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 6326 18:30:01.027649  # [   39.559910]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6327 18:30:01.033830  # [   39.565646]  ? lkdtm_WRITE_KERN+0x38/0x4e

 6328 18:30:01.037401  # [   39.570411]  direct_entry.cold+0x2c/0x38

 6329 18:30:01.044061  # [   39.575070]  full_proxy_write+0x53/0x80

 6330 18:30:01.046835  # [   39.579643]  vfs_write+0xe7/0x3b0

 6331 18:30:01.050700  # [   39.589841]  ksys_write+0x68/0xf0

 6332 18:30:01.053540  # [   39.593831]  do_syscall_64+0x30/0x40

 6333 18:30:01.059977  # [   39.598109]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6334 18:30:01.063543  # [   39.604040] RIP: 0033:0x7f041f1c2473

 6335 18:30:01.086926  # [   39.608311] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6336 18:30:01.096410  # [   39.629583] RSP: 002b:00007ffdad18b998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6337 18:30:01.103385  # [   39.638328] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f041f1c2473

 6338 18:30:01.113215  # [   39.646613] RDX: 000000000000000b RSI: 00007f041f0b6000 RDI: 0000000000000001

 6339 18:30:01.122629  # [   39.654873] RBP: 00007f041f0b6000 R08: 00007f041f0b5010 R09: 0000000000000000

 6340 18:30:01.129732  # [   39.663133] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6341 18:30:01.139527  # [   39.671410] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6342 18:30:01.191377  # [   39.679674] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6343 18:30:01.198064  # [   39.738625] CR2: ffffffff84c0b613

 6344 18:30:01.201461  # [   39.742604] ---[ end trace c8f77ca8824754c3 ]---

 6345 18:30:01.208144  # [   39.748039] RIP: 0010:lkdtm_BUG+0x5/0x10

 6346 18:30:01.227646  # [   39.752708] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02

 6347 18:30:01.234341  # [   39.773969] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282

 6348 18:30:01.244321  # [   39.780093] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000

 6349 18:30:01.250839  # [   39.788355] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0

 6350 18:30:01.260720  # [   39.796613] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001

 6351 18:30:01.267032  # [   39.804871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 6352 18:30:01.277167  # [   39.813131] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000

 6353 18:30:01.287141  # [   39.821410] FS:  00007f041f2ac580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000

 6354 18:30:01.293727  # [   39.830736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6355 18:30:01.299958  # [   39.837441] CR2: ffffffff84c0b613 CR3: 00000001035ce004 CR4: 00000000003706e0

 6356 18:30:01.313408  # [   39.845700] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 6357 18:30:01.319608  # [   39.855900] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1931, name: cat

 6358 18:30:01.326304  # [   39.864644] INFO: lockdep is turned off.

 6359 18:30:01.329828  # [   39.869310] irq event stamp: 0

 6360 18:30:01.335991  # [   39.873006] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6361 18:30:01.346185  # [   39.880294] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6362 18:30:01.355816  # [   39.889719] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6363 18:30:01.362530  # [   39.899144] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6364 18:30:01.372454  # [   39.906434] CPU: 1 PID: 1931 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 6365 18:30:01.378926  # [   39.915374] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6366 18:30:01.381853  # [   39.922470] Call Trace:

 6367 18:30:01.385540  # [   39.925487]  dump_stack+0x77/0x9b

 6368 18:30:01.388663  # [   39.929476]  ___might_sleep.cold+0xa6/0xb6

 6369 18:30:01.395315  # [   39.934361]  exit_signals+0x1c/0x300

 6370 18:30:01.398491  # [   39.938643]  do_exit+0xc2/0xab0

 6371 18:30:01.402070  # [   39.948648]  ? ksys_write+0x68/0xf0

 6372 18:30:01.408725  # [   39.952821]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6373 18:30:01.411805  # [   39.958546]  make_task_dead+0x2f/0x30

 6374 18:30:01.418394  # [   39.962923]  rewind_stack_and_make_dead+0x17/0x20

 6375 18:30:01.421533  # [   39.968463] RIP: 0033:0x7f041f1c2473

 6376 18:30:01.434687  # [   39.972741] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff<6>[   52.928760] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 6377 18:30:01.448047   ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 <6>[   52.940669] lkdtm: attempting bad refcount_sub_and_test() from saturated

 6378 18:30:01.460979  01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83<4>[   52.954669] ------------[ cut here ]------------

 6379 18:30:01.464697   ec 28 48 89 54 24 18

 6380 18:30:01.474864  # [   39.994011] RSP: 002b:00007ffdad18b9<4>[   52.966330] refcount_t: underflow; use-after-free.

 6381 18:30:01.477700  98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6382 18:30:01.487585  # [   40.002755]<4>[   52.978194] WARNING: CPU: 0 PID: 2502 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6383 18:30:01.546808   RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f041f1c24<4>[   52.994081] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6384 18:30:01.546912  73

 6385 18:30:01.563595  # [   40.011013] RDX: 000000000000000b RSI: 00007f041f0b6000<4>[   53.053077] CPU: 0 PID: 2502 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 6386 18:30:01.566810   RDI: 0000000000000001

 6387 18:30:01.576785  # [   40.019272] RBP: 00007f041f0b6000 R<4>[   53.068251] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6388 18:30:01.579570  08: 00007f041f0b5010 R09: 0000000000000000

 6389 18:30:01.589779  # [   40.027531] R10<4>[   53.081569] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6390 18:30:01.596305  : fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6391 18:30:01.615890  <4>[   53.093896] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 85 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7

 6392 18:30:01.629341  # [   40.035788] R13: 0000000000000001 R14: 0000000000020000 R15<4>[   53.121444] RSP: 0018:ffffac1c02f7fe40 EFLAGS: 00010286

 6393 18:30:01.629427  : 0000000000020000

 6394 18:30:01.635872  # WRITE_KERN: saw 'call trace:': ok

 6395 18:30:01.642595  ok 41 s<4>[   53.133774] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 6396 18:30:01.645501  elftests: lkdtm: WRITE_KERN.sh

 6397 18:30:01.658597  # selftests: lkdtm: REFCOUNT_INC<4>[   53.148289] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70

 6398 18:30:01.658680  _OVERFLOW.sh

 6399 18:30:01.671968  # [   40.162436] lkdtm: Performing direct entry RE<4>[   53.162755] RBP: ffffffff859f8d00 R08: 0000000000000000 R09: 0000000000000000

 6400 18:30:01.675286  FCOUNT_INC_OVERFLOW

 6401 18:30:01.685082  # [   40.175365] lkdtm: attempting good ref<4>[   53.177270] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6402 18:30:01.694906  <4>[   53.191736] R13: ffffac1c02f7ff10 R14: ffffac1c02f7ff10 R15: ffff97bcc6f5a000

 6403 18:30:01.698542  count_inc() without overflow

 6404 18:30:01.711556  # [   40.188775] lkdtm: attempting<4>[   53.200034] FS:  00007fbbe538c580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 6405 18:30:01.715199   bad refcount_inc() overflow

 6406 18:30:01.725129  # [   40.201310] ------------[ cut<4>[   53.215584] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6407 18:30:01.725213   here ]------------

 6408 18:30:01.737756  # [   40.206759] refcount_t: saturated; lea<4>[   53.228494] CR2: 00007fbbe5196000 CR3: 0000000106fc6002 CR4: 00000000003706f0

 6409 18:30:01.737846  king memory.

 6410 18:30:01.747623  # [   40.218642] WARNING: CPU: 1 PID: 1966 at lib/<4>[   53.243021] Call Trace:

 6411 18:30:01.751329  refcount.c:22 refcount_warn_saturate+0x51/0x110

 6412 18:30:01.757616  # [   40.234549<4>[   53.252227]  ? __warn+0x80/0x110

 6413 18:30:01.767784  ] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_se<4>[   53.262377]  ? refcount_warn_saturate+0xba/0x110

 6414 18:30:01.781219  nsors cros_ec_sensors_core industrialio_triggered_buffer kfifo_b<4>[   53.274001]  ? report_bug+0x9e/0xc0

 6415 18:30:01.791105  uf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub c<4>[   53.284423]  ? find_bug+0x1b0/0x1b0

 6416 18:30:01.800689  ros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar vide<4>[   53.294803]  ? handle_bug+0x41/0x90

 6417 18:30:01.810757  obuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros<4>[   53.305230]  ? exc_invalid_op+0x14/0x70

 6418 18:30:01.820526  _usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_ther<4>[   53.316006]  ? asm_exc_invalid_op+0x12/0x20

 6419 18:30:01.833814  mal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2<4>[   53.327211]  ? refcount_warn_saturate+0xba/0x110

 6420 18:30:01.846872  c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight c<4>[   53.338843]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6421 18:30:01.847101  oreboot_table

 6422 18:30:01.860509  # [   40.293505] CPU: 1 PID: 1966 Comm: cat Taint<4>[   53.351507]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 6423 18:30:01.863621  ed: G      D W         5.10.185-cip35 #1

 6424 18:30:01.870391  # [   40.308661] Hardw<4>[   53.364312]  direct_entry.cold+0x2c/0x38

 6425 18:30:01.876890  are name: Google Rammus/Rammus, BIOS  09/04/2020

 6426 18:30:01.880209  # [   40.32199<4>[   53.375213]  full_proxy_write+0x53/0x80

 6427 18:30:01.886598  5] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6428 18:30:01.889910  # [   40.334317]<4>[   53.385988]  vfs_write+0xe7/0x3b0

 6429 18:30:01.903335   Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 <4>[   53.396215]  ksys_write+0x68/0xf0

 6430 18:30:01.913426  01 00 75 ee 48 c7 c7 10 3f 95 85 c6 05 ee ef f6 01 01 e8 c6 cb c<4>[   53.406404]  do_syscall_64+0x30/0x40

 6431 18:30:01.922799  0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 <4>[   53.416915]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6432 18:30:01.926583  38 3f 95

 6433 18:30:01.936447  # [   40.361805] RSP: 0018:ffffac1c02707e48 EFLAGS: 00<4>[   53.429037] RIP: 0033:0x7fbbe52a2473

 6434 18:30:01.937072  010286

 6435 18:30:01.962707  # [   40.374151] RAX: 0000000000000000 RBX: 000000000000<4>[   53.439536] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6436 18:30:01.965870  002b RCX: 0000000000000000

 6437 18:30:01.979182  # [   40.388626] RDX: ffff97bd3acac6<4>[   53.467021] RSP: 002b:00007ffe2a9751f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6438 18:30:01.985435  <4>[   53.481969] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbbe52a2473

 6439 18:30:01.988780  60 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70

 6440 18:30:01.998931  # [   40.396892]<4>[   53.490251] RDX: 0000000000000020 RSI: 00007fbbe5196000 RDI: 0000000000000001

 6441 18:30:02.015406   RBP: ffffffff859f8fcd R08: 0000000000000000 R09: 00000000000000<4>[   53.504781] RBP: 00007fbbe5196000 R08: 00007fbbe5195010 R09: 0000000000000000

 6442 18:30:02.015835  00

 6443 18:30:02.028013  # [   40.411365] R10: 00000000ffffe000 R11: 3fffffffffffffff<4>[   53.519213] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6444 18:30:02.032096   R12: 0000000000000016

 6445 18:30:02.044568  # [   40.419630] R13: ffffac1c02707f10 R<4>[   53.533723] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6446 18:30:02.048270  14: ffffac1c02707f10 R15: ffff97bcc3449000

 6447 18:30:02.054709  # [   40.434103] FS:<4>[   53.548230] irq event stamp: 0

 6448 18:30:02.067819    00007fdd5fcb0580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000<4>[   53.558137] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6449 18:30:02.068341  000000000

 6450 18:30:02.084193  # [   40.449651] CS:  0010 DS: 0000 ES: 0000 CR0: 000<4>[   53.571633] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6451 18:30:02.084624  0000080050033

 6452 18:30:02.097649  # [   40.456361] CR2: 00007fdd5faba000 CR3: 00000<4>[   53.587274] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6453 18:30:02.100867  001031ac006 CR4: 00000000003706e0

 6454 18:30:02.104434  # [   40.470832] Call Trace:

 6455 18:30:02.110834  <4>[   53.602961] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6456 18:30:02.111279  

 6457 18:30:02.117263  # [   40.473876]  ? __warn+0x80/0x110

 6458 18:30:02.123922  # [   40.483959]  ? refc<4>[   53.616458] ---[ end trace c8f77ca8824754d4 ]---

 6459 18:30:02.127399  ount_warn_saturate+0x51/0x110

 6460 18:30:02.136827  # [   40.495622]  ? report_bug+0x<6>[   53.628143] lkdtm: Saturation detected: still saturated

 6461 18:30:02.137291  9e/0xc0

 6462 18:30:02.140840  # [   40.506023]  ? handle_bug+0x41/0x90

 6463 18:30:02.146800  # [   40.516420]  ? exc_invalid_op+0x14/0x70

 6464 18:30:02.150528  # [   40.527210]  ? asm_exc_invalid_op+0x12/0x20

 6465 18:30:02.157399  # [   40.538405]  ? refcount_warn_saturate+0x51/0x110

 6466 18:30:02.160398  # [   40.550066]  ? refcount_warn_saturate+0x51/0x110

 6467 18:30:02.166424  # [   40.561730]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 6468 18:30:02.169911  # [   40.573586]  direct_entry.cold+0x2c/0x38

 6469 18:30:02.176863  # [   40.584480]  full_proxy_write+0x53/0x80

 6470 18:30:02.179846  # [   40.595265]  vfs_write+0xe7/0x3b0

 6471 18:30:02.182775  # [   40.605469]  ksys_write+0x68/0xf0

 6472 18:30:02.186404  # [   40.615676]  do_syscall_64+0x30/0x40

 6473 18:30:02.192446  # [   40.626171]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6474 18:30:02.195955  # [   40.638319] RIP: 0033:0x7fdd5fbc6473

 6475 18:30:02.219223  # [   40.648817] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6476 18:30:02.226092  # [   40.676306] RSP: 002b:00007ffe3a564978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6477 18:30:02.235967  # [   40.691271] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdd5fbc6473

 6478 18:30:02.242255  # [   40.705749] RDX: 0000000000000016 RSI: 00007fdd5faba000 RDI: 0000000000000001

 6479 18:30:02.252125  # [   40.720230] RBP: 00007fdd5faba000 R08: 00007fdd5fab9010 R09: 0000000000000000

 6480 18:30:02.261834  # [   40.734709] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6481 18:30:02.268063  # [   40.749190] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6482 18:30:02.271680  # [   40.763670] irq event stamp: 0

 6483 18:30:02.281389  # [   40.773582] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6484 18:30:02.291774  # [   40.787090] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6485 18:30:02.297907  # [   40.802733] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6486 18:30:02.307514  # [   40.818401] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6487 18:30:02.310621  # [   40.831907] ---[ end trace c8f77ca8824754c4 ]---

 6488 18:30:02.317312  # [   40.843570] lkdtm: Overflow detected: saturated

 6489 18:30:02.320521  # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok

 6490 18:30:02.327242  ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 6491 18:30:02.330165  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6492 18:30:02.340331  # [   40.943398] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 6493 18:30:02.346808  # [   40.955379] lkdtm: attempting good refcount_add() without overflow

 6494 18:30:02.353546  # [   40.968820] lkdtm: attempting bad refcount_add() overflow

 6495 18:30:02.356485  # [   40.981355] ------------[ cut here ]------------

 6496 18:30:02.363141  # [   40.992979] refcount_t: saturated; leaking memory.

 6497 18:30:02.372947  # [   41.004877] WARNING: CPU: 0 PID: 1998 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6498 18:30:02.429503  # [   41.020819] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6499 18:30:02.435614  # [   41.079797] CPU: 0 PID: 1998 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 6500 18:30:02.445713  # [   41.094943] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6501 18:30:02.452397  # [   41.108257] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6502 18:30:02.471760  # [   41.120607] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 95 85 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95

 6503 18:30:02.478575  # [   41.148095] RSP: 0018:ffffac1c0277fe48 EFLAGS: 00010286

 6504 18:30:02.488094  # [   41.160434] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 6505 18:30:02.495134  # [   41.174918] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70

 6506 18:30:02.505255  # [   41.189431] RBP: ffffffff859f8fe3 R08: 0000000000000000 R09: 0000000000000000

 6507 18:30:02.511395  # [   41.203860] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6508 18:30:02.521372  # [   41.218379] R13: ffffac1c0277ff10 R14: ffffac1c0277ff10 R15: ffff97bcc30a1000

 6509 18:30:02.527837  # [   41.232867] FS:  00007fde607d5580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 6510 18:30:02.537336  # [   41.248448] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6511 18:30:02.544390  # [   41.261453] CR2: 00007fde605df000 CR3: 00000001030a8006 CR4: 00000000003706f0

 6512 18:30:02.547915  # [   41.275883] Call Trace:

 6513 18:30:02.551158  # [   41.285192]  ? __warn+0x80/0x110

 6514 18:30:02.557275  # [   41.295257]  ? refcount_warn_saturate+0x51/0x110

 6515 18:30:02.560985  # [   41.307020]  ? report_bug+0x9e/0xc0

 6516 18:30:02.563908  # [   41.317351]  ? handle_bug+0x41/0x90

 6517 18:30:02.567850  # [   41.327757]  ? exc_invalid_op+0x14/0x70

 6518 18:30:02.574228  # [   41.338540]  ? asm_exc_invalid_op+0x12/0x20

 6519 18:30:02.580375  # [   41.349737]  ? refcount_warn_saturate+0x51/0x110

 6520 18:30:02.584130  # [   41.361396]  ? refcount_warn_saturate+0x51/0x110

 6521 18:30:02.590932  # [   41.373054]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 6522 18:30:02.593919  # [   41.384889]  direct_entry.cold+0x2c/0x38

 6523 18:30:02.600666  # [   41.395770]  full_proxy_write+0x53/0x80

 6524 18:30:02.603549  # [   41.406568]  vfs_write+0xe7/0x3b0

 6525 18:30:02.606667  # [   41.416804]  ksys_write+0x68/0xf0

 6526 18:30:02.609958  # [   41.427004]  do_syscall_64+0x30/0x40

 6527 18:30:02.616640  # [   41.437497]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6528 18:30:02.619723  # [   41.449651] RIP: 0033:0x7fde606eb473

 6529 18:30:02.646531  # [   41.460107] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89<6>[   54.143992] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 6530 18:30:02.649847   54 24 18

 6531 18:30:02.659701  # [   41.487646] RSP: 002b:00007ffea77fd118 EFLAGS: 0<6>[   54.152721] lkdtm: attempting good copy_to_user of correct size

 6532 18:30:02.663329  0000246 ORIG_RAX: 0000000000000001

 6533 18:30:02.672583  # [   41.502628] RAX: ffffff<6>[   54.165878] lkdtm: attempting bad copy_to_user of too large size

 6534 18:30:02.679154  ffffffffda RBX: 0000000000000016 RCX: 00007fde606eb473

 6535 18:30:02.689445  # [   41.517111] RDX: 0000000000000016 RSI: 00007fde605df000 RDI: 0000000000000001

 6536 18:30:02.695870  # [   41.531544] RBP: 00007fde605df000 R08: 00007fde605de010 R09: 0000000000000000

 6537 18:30:02.705911  # [   41.546063] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6538 18:30:02.712472  # [   41.560527] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6539 18:30:02.715301  # [   41.575050] irq event stamp: 0

 6540 18:30:02.722096  # [   41.584923] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6541 18:30:02.731890  # [   41.598464] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6542 18:30:02.742361  # [   41.614111] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6543 18:30:02.748895  # [   41.629775] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6544 18:30:02.755265  # [   41.643290] ---[ end trace c8f77ca8824754c5 ]---

 6545 18:30:02.758798  # [   41.654969] lkdtm: Overflow detected: saturated

 6546 18:30:02.765414  # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok

 6547 18:30:02.768183  ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6548 18:30:02.775158  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6549 18:30:02.781764  # [   41.768047] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 6550 18:30:02.788126  # [   41.780028] lkdtm: attempting bad refcount_inc_not_zero() overflow

 6551 18:30:02.798129  # [   41.793442] ------------[ c<6>[   54.295386] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 6552 18:30:02.801356  ut here ]------------

 6553 18:30:02.814764  # [   41.805106] refcount_t: saturated; l<6>[   54.304320] lkdtm: attempting good copy_from_user of correct size

 6554 18:30:02.815191  eaking memory.

 6555 18:30:02.828048  # [   41.816997] WARNING: CPU: 1 PID: 2030 at li<6>[   54.317637] lkdtm: attempting bad copy_from_user of too large size

 6556 18:30:02.831171  b/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6557 18:30:02.883766  # [   41.832901] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6558 18:30:02.893574  # [   41.891874] CPU: 1 PID: 2030 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 6559 18:30:02.900300  # [   41.907030] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6560 18:30:02.906847  # [   41.920325] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6561 18:30:02.926649  # [   41.932661] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 85 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95

 6562 18:30:02.933059  # [   41.960154] RSP: 0018:ffffac1c02837e38 EFLAGS: 00010282

 6563 18:30:02.939450  # [   41.972497] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 6564 18:30:02.952699  # [   41.986977] RDX: ffff97bd3aca<6>[   54.446967] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 6565 18:30:02.959224  <6>[   54.456638] lkdtm: attempting good copy_to_user inside whitelist

 6566 18:30:02.962875  c660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70

 6567 18:30:02.972586  # [   42.00145<6>[   54.463652] lkdtm: attempting bad copy_to_user outside whitelist

 6568 18:30:02.979472  6] RBP: ffffffff859f8c20 R08: 0000000000000000 R09: 0000000000000000

 6569 18:30:02.988984  # [   42.015935] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6570 18:30:02.996033  # [   42.030413] R13: ffffac1c02837f10 R14: ffffac1c02837f10 R15: ffff97bcc3543000

 6571 18:30:03.005381  # [   42.044893] FS:  00007fb637d3a580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000

 6572 18:30:03.012209  # [   42.060440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6573 18:30:03.018672  # [   42.073367] CR2: 00007fb637b44000 CR3: 00000001029cc003 CR4: 00000000003706e0

 6574 18:30:03.021859  # [   42.087843] Call Trace:

 6575 18:30:03.025344  # [   42.090885]  ? __warn+0x80/0x110

 6576 18:30:03.032063  # [   42.100969]  ? refcount_warn_saturate+0x97/0x110

 6577 18:30:03.035055  # [   42.106419]  ? report_bug+0x9e/0xc0

 6578 18:30:03.038012  # [   42.116815]  ? handle_bug+0x41/0x90

 6579 18:30:03.045069  # [   42.127215]  ? exc_invalid_op+0x14/0x70

 6580 18:30:03.047961  # [   42.131794]  ? asm_exc_invalid_op+0x12/0x20

 6581 18:30:03.054937  # [   42.142966]  ? refcount_warn_saturate+0x97/0x110

 6582 18:30:03.057897  # [   42.154651]  ? refcount_warn_saturate+0x97/0x110

 6583 18:30:03.064467  # [   42.160100]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6584 18:30:03.071993  # [   42.172727]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 6585 18:30:03.077937  # [   42.185458]  direct_entry.cold+0x2c/0x38

 6586 18:30:03.081330  # [   42.196363]  full_proxy_write+0x53/0x80

 6587 18:30:03.084769  # [   42.207153]  vfs_write+0xe7/0x3b0

 6588 18:30:03.088046  # [   42.217363]  ksys_write+0x68/0xf0

 6589 18:30:03.097834  # [   42.2275<6>[   54.594842] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 6590 18:30:03.100710  70]  do_syscall_64+0x30/0x40

 6591 18:30:03.111324  # [   42.238067]  entry_SYSCALL_64<6>[   54.602683] lkdtm: attempting good copy_from_user inside whitelist

 6592 18:30:03.113952  _after_hwframe+0x61/0xc6

 6593 18:30:03.123781  # [   42.244004] RIP: 0033:0x7fb637c50<6>[   54.616111] lkdtm: attempting bad copy_from_user outside whitelist

 6594 18:30:03.124312  473

 6595 18:30:03.147464  # [   42.254496] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6596 18:30:03.154294  # [   42.275773] RSP: 002b:00007ffeb8c06c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6597 18:30:03.163660  # [   42.290734] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb637c50473

 6598 18:30:03.170275  # [   42.298999] RDX: 000000000000001f RSI: 00007fb637b44000 RDI: 0000000000000001

 6599 18:30:03.180093  # [   42.313471] RBP: 00007fb637b44000 R08: 00007fb637b43010 R09: 0000000000000000

 6600 18:30:03.186718  # [   42.321738] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6601 18:30:03.196326  # [   42.336210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6602 18:30:03.199993  # [   42.344481] irq event stamp: 0

 6603 18:30:03.206487  # [   42.354403] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6604 18:30:03.216236  # [   42.367916] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6605 18:30:03.226111  # [   42.383559] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6606 18:30:03.232854  # [   42.399201] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6607 18:30:03.239230  # [   42.412708] ---[ end trace c8f77ca8824754c6 ]---

 6608 18:30:03.242640  # [   42.424372] lkdtm: Overflow detected: saturated

 6609 18:30:03.249308  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6610 18:30:03.255907  ok 44<6>[   54.750243] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 6611 18:30:03.262551   selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6612 18:30:03.268958  # selftest<6>[   54.760992] lkdtm: good_stack: ffffac1c03317e20-ffffac1c03317e40

 6613 18:30:03.272699  s: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6614 18:30:03.282390  # [   42.540600] lk<6>[   54.774212] lkdtm: bad_stack : ffffac1c03317da8-ffffac1c03317dc8

 6615 18:30:03.288968  dtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 6616 18:30:03.295397  # [<6>[   54.787465] lkdtm: attempting good copy_to_user of local stack

 6617 18:30:03.308666     42.549468] lkdtm: attempting bad refcount_add_not_zero() over<6>[   54.800524] lkdtm: attempting bad copy_to_user of distant stack

 6618 18:30:03.309159  flow

 6619 18:30:03.315172  # [   42.556666] ------------[ cut here ]------------

 6620 18:30:03.321718  # [   42.562143] refcount_t: saturated; leaking memory.

 6621 18:30:03.328448  # [   42.574029] WARNING: CPU: 3 PID: 2062 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6622 18:30:03.381393  # [   42.583753] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6623 18:30:03.390980  # [   42.642704] CPU: 3 PID: 2062 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 6624 18:30:03.398124  # [   42.651673] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6625 18:30:03.404554  # [   42.658799] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6626 18:30:03.424219  # [   42.664952] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 85 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95

 6627 18:30:03.430531  # [   42.686228] RSP: 0018:ffffac1c028bfe38 EFLAGS: 00010282

 6628 18:30:03.440640  # [   42.692359]<6>[   54.936737] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 6629 18:30:03.453786   RAX: 0000000000000000 RBX: 000000007fffffff RCX: 00000000000000<6>[   54.945250] lkdtm: good_stack: ffffac1c033bfe20-ffffac1c033bfe40

 6630 18:30:03.454382  00

 6631 18:30:03.467184  # [   42.706836] RDX: ffff97bd3adac660 RSI: ffff97bd3ad9bf70<6>[   54.958465] lkdtm: bad_stack : ffffac1c033bfda8-ffffac1c033bfdc8

 6632 18:30:03.470204   RDI: ffff97bd3ad9bf70

 6633 18:30:03.480083  # [   42.715097] RBP: ffffffff859f8c40 R<6>[   54.971715] lkdtm: attempting good copy_from_user of local stack

 6634 18:30:03.486688  <6>[   54.984898] lkdtm: attempting bad copy_from_user of distant stack

 6635 18:30:03.493159  08: 0000000000000000 R09: 0000000000000000

 6636 18:30:03.500227  # [   42.723361] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6637 18:30:03.506996  # [   42.731624] R13: ffffac1c028bff10 R14: ffffac1c028bff10 R15: ffff97bcc36d3000

 6638 18:30:03.516451  # [   42.739887] FS:  00007f10c25c8580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 6639 18:30:03.523453  # [   42.749217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6640 18:30:03.532707  # [   42.755926] CR2: 00007f10c23d2000 CR3: 0000000102f74005 CR4: 00000000003706e0

 6641 18:30:03.535940  # [   42.764186] Call Trace:

 6642 18:30:03.539559  # [   42.767227]  ? __warn+0x80/0x110

 6643 18:30:03.542724  # [   42.771130]  ? refcount_warn_saturate+0x97/0x110

 6644 18:30:03.549409  # [   42.782788]  ? report_bug+0x9e/0xc0

 6645 18:30:03.552775  # [   42.786975]  ? handle_bug+0x41/0x90

 6646 18:30:03.555815  # [   42.791162]  ? exc_invalid_op+0x14/0x70

 6647 18:30:03.562749  # [   42.795760]  ? asm_exc_invalid_op+0x12/0x20

 6648 18:30:03.565851  # [   42.800724]  ? refcount_warn_saturate+0x97/0x110

 6649 18:30:03.572149  # [   42.806193]  ? refcount_warn_saturate+0x97/0x110

 6650 18:30:03.578897  # [   42.811640]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6651 18:30:03.585345  # [   42.818059]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 6652 18:30:03.589116  # [   42.824575]  direct_entry.cold+0x2c/0x38

 6653 18:30:03.595749  # [   42.829247]  full_proxy_write+0x53/0x80

 6654 18:30:03.598783  # [   42.833820]  vfs_write+0xe7/0x3b0

 6655 18:30:03.602410  # [   42.837811]  ksys_write+0x68/0xf0

 6656 18:30:03.605286  # [   42.841803]  do_syscall_64+0x30/0x40

 6657 18:30:03.612273  # [   42.846087]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6658 18:30:03.615220  # [   42.852020] RIP: 0033:0x7f10c24de473

 6659 18:30:03.638920  # [   42.856301] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <6>[   55.133766] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 6660 18:30:03.651829  <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24<6>[   55.142015] lkdtm: good_stack: ffffac1c03467e20-ffffac1c03467e40

 6661 18:30:03.652257   18

 6662 18:30:03.664638  # [   42.877575] RSP: 002b:00007ffd2011bdf8 EFLAGS: 0000024<6>[   55.155236] lkdtm: bad_stack : ffffac1c03467ff8-ffffac1c03468018

 6663 18:30:03.668197  6 ORIG_RAX: 0000000000000001

 6664 18:30:03.677885  # [   42.886325] RAX: ffffffffffff<6>[   55.168474] lkdtm: attempting good copy_to_user of local stack

 6665 18:30:03.681730  ffda RBX: 000000000000001f RCX: 00007f10c24de473

 6666 18:30:03.691546  # [   42.89458<6>[   55.181490] lkdtm: attempting bad copy_to_user of distant stack

 6667 18:30:03.701169  7] RDX: 000000000000001f RSI: 00007f10c23d2000 RDI: 000000000000<4>[   55.194592] lkdtm: copy_to_user failed, but lacked Oops

 6668 18:30:03.704260  0001

 6669 18:30:03.710916  # [   42.902848] RBP: 00007f10c23d2000 R08: 00007f10c23d1010 R09: 0000000000000000

 6670 18:30:03.720696  # [   42.911113] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6671 18:30:03.727594  # [   42.919406] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6672 18:30:03.730968  # [   42.927673] irq event stamp: 0

 6673 18:30:03.737231  # [   42.931398] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6674 18:30:03.746972  # [   42.944905] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6675 18:30:03.756932  # [   42.954349] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6676 18:30:03.763549  # [   42.963785] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6677 18:30:03.770345  # [   42.977289] ---[ end trace c8f77ca8824754c7 ]---

 6678 18:30:03.773688  # [   42.982735] lkdtm: Overflow detected: saturated

 6679 18:30:03.780014  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6680 18:30:03.786786  ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6681 18:30:03.790044  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6682 18:30:03.796575  # [   43.081753] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 6683 18:30:03.803213  # [   43.094172] lkdtm: attempting good refcount_dec()

 6684 18:30:03.806169  # [   43.105933] lkdtm: attempting bad refcount_dec() to zero

 6685 18:30:03.813009  # [   43.118369] ------------[ cut here ]------------

 6686 18:30:03.819677  # [   43.130030] refcount_t: decrement hit 0; leaking memory.

 6687 18:30:03.829404  # [   43.142499] WARNING: CPU: 1 PID: 2094 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6688 18:30:03.862653  # [   43.158429] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_co<6>[   55.356217] lkdtm: Performing direct entry USERCOPY_KERNEL

 6689 18:30:03.878885  re videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compre<6>[   55.368736] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8557ed70

 6690 18:30:03.895959  ss videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf<6>[   55.383918] lkdtm: attempting bad copy_to_user from kernel text: ffffffff83ce1430

 6691 18:30:03.905243  2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify <3>[   55.398756] lkdtm: FAIL: survived bad copy_to_user()

 6692 18:30:03.911878  chromeos_pstore cros_kbd_led_backlight coreboot_table

 6693 18:30:03.922095  # [   43.217399] CPU: 1 PID: 2094 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 6694 18:30:03.928605  # [   43.226375] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6695 18:30:03.931982  # [   43.239689] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6696 18:30:03.954836  # [   43.252031] Code: c0 3f 95 85 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 95 85 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6697 18:30:03.961399  # [   43.273349] RSP: 0018:ffffac1c02947e48 EFLAGS: 00010286

 6698 18:30:03.968061  # [   43.285692] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 6699 18:30:03.977791  # [   43.300170] RDX: ffff97bd3acac660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70

 6700 18:30:03.984632  # [   43.314625] RBP: ffffffff859f8ff9 R08: 0000000000000000 R09: 0000000000000000

 6701 18:30:03.994625  # [   43.329103] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6702 18:30:04.000864  # [   43.337368] R13: ffffac1c02947f10 R14: ffffac1c02947f10 R15: ffff97bcc36a2000

 6703 18:30:04.011270  # [   43.351841] FS:  00007f17258de580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000

 6704 18:30:04.017451  # [   43.361198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6705 18:30:04.024458  # [   43.374116] CR2: 00007f17256e8000 CR3: 0000000103740006 CR4: 00000000003706e0

 6706 18:30:04.027348  # [   43.382417] Call Trace:

 6707 18:30:04.030763  # [   43.391633]  ? __warn+0x80/0x110

 6708 18:30:04.037460  # [   43.401741]  ? refcount_warn_saturate+0xfb/0x110

 6709 18:30:04.040946  # [   43.413405]  ? report_bug+0x9e/0xc0

 6710 18:30:04.050303  # [   43.417616<6>[   55.547141] lkdtm: Performing direct entry STACKLEAK_ERASING

 6711 18:30:04.057158  <6>[   55.554160] lkdtm: checking unused part of the thread stack (15928 bytes)...

 6712 18:30:04.067628  <3>[   55.562350] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 6713 18:30:04.073247  <3>[   55.570434] lkdtm: FAIL: the thread stack is NOT properly erased

 6714 18:30:04.083683  <4>[   55.577445] CPU: 3 PID: 2867 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 6715 18:30:04.089732  <4>[   55.586408] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6716 18:30:04.093349  <4>[   55.593503] Call Trace:

 6717 18:30:04.096704  <4>[   55.596524]  dump_stack+0x77/0x9b

 6718 18:30:04.100406  <4>[   55.600513]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 6719 18:30:04.106609  <4>[   55.605960]  direct_entry.cold+0x2c/0x38

 6720 18:30:04.110147  <4>[   55.610631]  full_proxy_write+0x53/0x80

 6721 18:30:04.112990  <4>[   55.615202]  vfs_write+0xe7/0x3b0

 6722 18:30:04.119699  <4>[   55.619191]  ksys_write+0x68/0xf0

 6723 18:30:04.122789  <4>[   55.623180]  do_syscall_64+0x30/0x40

 6724 18:30:04.129393  <4>[   55.627461]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6725 18:30:04.132981  <4>[   55.633403] RIP: 0033:0x7fedfe8bb473

 6726 18:30:04.155654  <4>[   55.637682] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6727 18:30:04.162515  <4>[   55.658954] RSP: 002b:00007ffefc169b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6728 18:30:04.172355  <4>[   55.667692] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fedfe8bb473

 6729 18:30:04.179051  <4>[   55.675951] RDX: 0000000000000012 RSI: 00007fedfe7af000 RDI: 0000000000000001

 6730 18:30:04.188394  <4>[   55.684211] RBP: 00007fedfe7af000 R08: 00007fedfe7ae010 R09: 0000000000000000

 6731 18:30:04.195031  <4>[   55.692471] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6732 18:30:04.204923  <4>[   55.700731] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6733 18:30:04.208188  ]  ? handle_bug+0x41/0x90

 6734 18:30:04.211965  # [   43.428007]  ? exc_invalid_op+0x14/0x70

 6735 18:30:04.215057  # [   43.432606]  ? asm_exc_invalid_op+0x12/0x20

 6736 18:30:04.221764  # [   43.443781]  ? refcount_warn_saturate+0xfb/0x110

 6737 18:30:04.227745  # [   43.455440]  ? refcount_warn_saturate+0xfb/0x110

 6738 18:30:04.231503  # [   43.460890]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 6739 18:30:04.237587  # [   43.472363]  direct_entry.cold+0x2c/0x38

 6740 18:30:04.240995  # [   43.483252]  full_proxy_write+0x53/0x80

 6741 18:30:04.244336  # [   43.494067]  vfs_write+0xe7/0x3b0

 6742 18:30:04.247805  # [   43.504273]  ksys_write+0x68/0xf0

 6743 18:30:04.254352  # [   43.514477]  do_syscall_64+0x30/0x40

 6744 18:30:04.258230  # [   43.524972]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6745 18:30:04.264127  # [   43.537121] RIP: 0033:0x7f17257f4473

 6746 18:30:04.283952  # [   43.547616] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6747 18:30:04.294001  # [   43.575106] RSP: 002b:00007ffe014bf388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6748 18:30:04.300082  # [   43.590070] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f17257f4473

 6749 18:30:04.310107  # [   43.604548] RDX: 0000000000000012 RSI: 00007f17256e8000 RDI: 0000000000000001

 6750 18:30:04.316626  # [   43.619027] RBP: 00007f17256e8000 R08: 00007f17256e7010 R09: 0000000000000000

 6751 18:30:04.326910  # [   43.633504] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6752 18:30:04.336553  # [   43.647981] R13: 0000000000<6>[   55.828413] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 6753 18:30:04.339551  000001 R14: 0000000000020000 R15: 0000000000020000

 6754 18:30:04.346369  # [   43.662<6>[   55.839955] lkdtm: Calling matched prototype ...

 6755 18:30:04.349231  464] irq event stamp: 0

 6756 18:30:04.359492  # [   43.672374] hardirqs last  enabled<6>[   55.851645] lkdtm: Calling mismatched prototype ...

 6757 18:30:04.362960   at (0): [<0000000000000000>] 0x0

 6758 18:30:04.372316  # [   43.685881] hardirqs las<6>[   55.863602] lkdtm: Fail: survived mismatched prototype function call!

 6759 18:30:04.379368  t disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6760 18:30:04.389000  # [   43.701524] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6761 18:30:04.395720  # [   43.717167] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6762 18:30:04.402368  # [   43.730674] ---[ end trace c8f77ca8824754c8 ]---

 6763 18:30:04.405228  # [   43.742335] lkdtm: Zero detected: saturated

 6764 18:30:04.408787  # REFCOUNT_DEC_ZERO: saw 'call trace:': ok

 6765 18:30:04.415002  ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6766 18:30:04.418663  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6767 18:30:04.425426  # [   43.848956] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6768 18:30:04.431664  # [   43.859952] lkdtm: attempting bad refcount_dec() below zero

 6769 18:30:04.438306  # [   43.866473] ------------[ cut here ]------------

 6770 18:30:04.445157  # [   43.871956] refcount_t: decrement hit 0; leaking memory.

 6771 18:30:04.454743  # [   43.878217] WARNING: CPU: 2 PID: 2129 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6772 18:30:04.507793  # [   43.887939] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6773 18:30:04.517313  # [   43.946890] CPU: 2 PID: 2129 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 6774 18:30:04.524233  # [   43.955833] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6775 18:30:04.530455  # [   43.962934] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6776 18:30:04.553477  # [   43.969086] Code: c0 3f 95 85 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 95 85 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6777 18:30:04.559995  # [   43.990363] RSP: 0018:ffffac1c0299fe48 EFLAGS: 00010286

 6778 18:30:04.566761  # [   43.996493] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6779 18:30:04.576735  # [   44.004754] RDX: ffff97bd3ad2c660 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 6780 18:30:04.583213  # [   44.013019] RBP: ffffffff859f900b R08: 0000000000000000 R09: 0000000000000000

 6781 18:30:04.592760  # [   44.021282] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6782 18:30:04.602322  # [   44.029546] R13: ffffac1c0299ff10 R14: ffffac1c0299ff10 R15: ffff97bcc2763000

 6783 18:30:04.612493  # [   44.037810] FS:  00007f4a198b2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 6784 18:30:04.619174  # [   44.047141] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6785 18:30:04.626063  # [   44.053850] CR2: 00007f4a196bc000 CR3: 0000000105dea004 CR4: 00000000003706e0

 6786 18:30:04.628606  # [   44.062114] Call Trace:

 6787 18:30:04.632162  # [   44.065138]  ? __warn+0x80/0x110

 6788 18:30:04.638845  # [   44.069068]  ? refcount_warn_saturate+0xfb/0x110

 6789 18:30:04.642086  # [   44.080730]  ? report_bug+0x9e/0xc0

 6790 18:30:04.649061  # [   44.084916]  ? handle_bug+0x41/0x90

 6791 18:30:04.651971  # [   44.089124]  ? exc_invalid_op+0x14/0x70

 6792 18:30:04.654960  # [   44.093697]  ? asm_exc_invalid_op+0x12/0x20

 6793 18:30:04.661625  # [   44.098661]  ? refcount_warn_saturate+0xfb/0x110

 6794 18:30:04.668318  # [   44.104139]  ? refcount_warn_saturate+0xfb/0x110

 6795 18:30:04.675082  # [   44.109587]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6796 18:30:04.677895  # [   44.115230]  direct_entry.cold+0x2c/0x38

 6797 18:30:04.681887  # [   44.119905]  full_proxy_write+0x53/0x80

 6798 18:30:04.688173  # [   44.124512]  vfs_write+0xe7/0x3b0

 6799 18:30:04.691280  # [   44.128506]  ksys_write+0x68/0xf0

 6800 18:30:04.695245  # [   44.138712]  do_syscall_64+0x30/0x40

 6801 18:30:04.701203  # [   44.143019]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6802 18:30:04.704647  # [   44.148953] RIP: 0033:0x7f4a197c8473

 6803 18:30:04.728002  # [   44.153260] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6804 18:30:04.737371  # [   44.174543] RSP: 002b:00007ffd242bb088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6805 18:30:04.744379  # [   44.183329] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4a197c8473

 6806 18:30:04.754326  # [   44.191611] RDX: 0000000000000016 RSI: 00007f4a196bc000 RDI: 0000000000000001

 6807 18:30:04.760520  # [   44.199874] RBP: 00007f4a196bc000 R08: 00007f4a196bb010 R09: 0000000000000000

 6808 18:30:04.771168  # [   44.208139] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6809 18:30:04.776908  # [   44.216406] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6810 18:30:04.780562  # [   44.224673] irq event stamp: 0

 6811 18:30:04.790046  # [   44.228404] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6812 18:30:04.800310  # [   44.235696] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6813 18:30:04.809751  # [   44.245125] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6814 18:30:04.816793  # [   44.254554] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6815 18:30:04.822946  # [   44.261845] ---[ end trace c8f77ca8824754c9 ]---

 6816 18:30:04.826473  # [   44.267291] lkdtm: Negative detected: saturated

 6817 18:30:04.833127  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 6818 18:30:04.839430  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6819 18:30:04.843097  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6820 18:30:04.852556  # [   44.619412] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6821 18:30:04.858970  # [   44.629612] lkdtm: attempting bad refcount_dec_and_test() below zero

 6822 18:30:04.865762  # [   44.643219] ------------[ cut here ]------------

 6823 18:30:04.868869  # [   44.654878] refcount_t: underflow; use-after-free.

 6824 18:30:04.878703  # [   44.666767] WARNING: CPU: 1 PID: 2164 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6825 18:30:04.935032  # [   44.682695] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6826 18:30:04.944849  # [   44.741621] CPU: 1 PID: 2164 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 6827 18:30:04.951403  # [   44.756774] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6828 18:30:04.957727  # [   44.770089] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6829 18:30:04.977674  # [   44.782430] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 85 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7

 6830 18:30:04.983986  # [   44.809920] RSP: 0018:ffffac1c02a17e40 EFLAGS: 00010286

 6831 18:30:04.993756  # [   44.822263] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6832 18:30:05.004244  # [   44.836741] RDX: ffff97bd3acac660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70

 6833 18:30:05.010410  # [   44.851222] RBP: ffffffff859f8c60 R08: 0000000000000000 R09: 0000000000000000

 6834 18:30:05.019702  # [   44.865699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6835 18:30:05.026549  # [   44.880178] R13: ffffac1c02a17f10 R14: ffffac1c02a17f10 R15: ffff97bcc3649000

 6836 18:30:05.036547  # [   44.894658] FS:  00007fa971178580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000

 6837 18:30:05.043160  # [   44.910207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6838 18:30:05.052761  # [   44.923130] CR2: 00007fa970f82000 CR3: 0000000103798004 CR4: 00000000003706e0

 6839 18:30:05.055936  # [   44.937606] Call Trace:

 6840 18:30:05.059703  # [   44.946845]  ? __warn+0x80/0x110

 6841 18:30:05.066046  # [   44.956950]  ? refcount_warn_saturate+0xba/0x110

 6842 18:30:05.069717  # [   44.968612]  ? report_bug+0x9e/0xc0

 6843 18:30:05.072914  # [   44.979012]  ? handle_bug+0x41/0x90

 6844 18:30:05.079375  # [   44.989415]  ? exc_invalid_op+0x14/0x70

 6845 18:30:05.082572  # [   45.000205]  ? asm_exc_invalid_op+0x12/0x20

 6846 18:30:05.089511  # [   45.011384]  ? refcount_warn_saturate+0xba/0x110

 6847 18:30:05.095408  # [   45.023042]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6848 18:30:05.102246  # [   45.035673]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6849 18:30:05.105123  # [   45.048417]  direct_entry.cold+0x2c/0x38

 6850 18:30:05.112323  # [   45.059303]  full_proxy_write+0x53/0x80

 6851 18:30:05.115101  # [   45.070091]  vfs_write+0xe7/0x3b0

 6852 18:30:05.118339  # [   45.080296]  ksys_write+0x68/0xf0

 6853 18:30:05.121528  # [   45.090500]  do_syscall_64+0x30/0x40

 6854 18:30:05.128267  # [   45.100995]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6855 18:30:05.134985  # [   45.113140] RIP: 0033:0x7fa97108e473

 6856 18:30:05.154035  # [   45.123637] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6857 18:30:05.164173  # [   45.151126] RSP: 002b:00007ffeaa3de988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6858 18:30:05.171012  # [   45.166088] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa97108e473

 6859 18:30:05.180776  # [   45.180568] RDX: 000000000000001f RSI: 00007fa970f82000 RDI: 0000000000000001

 6860 18:30:05.190710  # [   45.195045] RBP: 00007fa970f82000 R08: 00007fa970f81010 R09: 0000000000000000

 6861 18:30:05.197203  # [   45.203308] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6862 18:30:05.207282  # [   45.217781] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6863 18:30:05.210206  # [   45.226067] irq event stamp: 0

 6864 18:30:05.217326  # [   45.235954] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6865 18:30:05.226934  # [   45.243249] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6866 18:30:05.236224  # [   45.258883] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6867 18:30:05.243233  # [   45.268314] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6868 18:30:05.249897  # [   45.281814] ---[ end trace c8f77ca8824754ca ]---

 6869 18:30:05.256173  # [   45.287262] lkdtm: Negative detected: saturated

 6870 18:30:05.262861  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6871 18:30:05.269387  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6872 18:30:05.272390  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6873 18:30:05.282559  # [   45.398523] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6874 18:30:05.289023  # [   45.412374] lkdtm: attempting bad refcount_sub_and_test() below zero

 6875 18:30:05.295729  # [   45.426006] ------------[ cut here ]------------

 6876 18:30:05.298990  # [   45.437662] refcount_t: underflow; use-after-free.

 6877 18:30:05.308560  # [   45.449532] WARNING: CPU: 0 PID: 2199 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6878 18:30:05.364451  # [   45.465448] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6879 18:30:05.374530  # [   45.524439] CPU: 0 PID: 2199 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 6880 18:30:05.381051  # [   45.539576] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6881 18:30:05.387721  # [   45.552926] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6882 18:30:05.407685  # [   45.565235] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 85 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7

 6883 18:30:05.414002  # [   45.592761] RSP: 0018:ffffac1c02a8fe40 EFLAGS: 00010286

 6884 18:30:05.423527  # [   45.605071] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6885 18:30:05.430187  # [   45.619562] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70

 6886 18:30:05.439745  # [   45.634020] RBP: ffffffff859f8c80 R08: 0000000000000000 R09: 0000000000000000

 6887 18:30:05.449423  # [   45.648501] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6888 18:30:05.456438  # [   45.662997] R13: ffffac1c02a8ff10 R14: ffffac1c02a8ff10 R15: ffff97bcc2f61000

 6889 18:30:05.465730  # [   45.677507] FS:  00007f571845a580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 6890 18:30:05.472942  # [   45.693047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6891 18:30:05.482622  # [   45.705936] CR2: 00007f5718264000 CR3: 0000000106f5e003 CR4: 00000000003706f0

 6892 18:30:05.482720  # [   45.720452] Call Trace:

 6893 18:30:05.488935  # [   45.729713]  ? __warn+0x80/0x110

 6894 18:30:05.491922  # [   45.739818]  ? refcount_warn_saturate+0xba/0x110

 6895 18:30:05.498891  # [   45.751488]  ? report_bug+0x9e/0xc0

 6896 18:30:05.501990  # [   45.761898]  ? find_bug+0x1b0/0x1b0

 6897 18:30:05.505632  # [   45.772304]  ? handle_bug+0x41/0x90

 6898 18:30:05.511937  # [   45.782705]  ? exc_invalid_op+0x14/0x70

 6899 18:30:05.514874  # [   45.793515]  ? asm_exc_invalid_op+0x12/0x20

 6900 18:30:05.521483  # [   45.804695]  ? refcount_warn_saturate+0xba/0x110

 6901 18:30:05.528414  # [   45.816367]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6902 18:30:05.534520  # [   45.829021]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6903 18:30:05.538219  # [   45.841751]  direct_entry.cold+0x2c/0x38

 6904 18:30:05.544680  # [   45.852645]  full_proxy_write+0x53/0x80

 6905 18:30:05.548252  # [   45.863441]  vfs_write+0xe7/0x3b0

 6906 18:30:05.551022  # [   45.873645]  ksys_write+0x68/0xf0

 6907 18:30:05.554454  # [   45.883858]  do_syscall_64+0x30/0x40

 6908 18:30:05.560721  # [   45.894353]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6909 18:30:05.567707  # [   45.906465] RIP: 0033:0x7f5718370473

 6910 18:30:05.587129  # [   45.917004] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6911 18:30:05.596995  # [   45.944521] RSP: 002b:00007ffe4f703f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6912 18:30:05.603766  # [   45.959472] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5718370473

 6913 18:30:05.613423  # [   45.973975] RDX: 000000000000001f RSI: 00007f5718264000 RDI: 0000000000000001

 6914 18:30:05.623269  # [   45.988464] RBP: 00007f5718264000 R08: 00007f5718263010 R09: 0000000000000000

 6915 18:30:05.630078  # [   46.002938] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6916 18:30:05.639833  # [   46.017426] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6917 18:30:05.643234  # [   46.031911] irq event stamp: 0

 6918 18:30:05.650182  # [   46.041832] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6919 18:30:05.659762  # [   46.055337] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6920 18:30:05.669570  # [   46.070991] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6921 18:30:05.676073  # [   46.086620] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6922 18:30:05.682507  # [   46.100135] ---[ end trace c8f77ca8824754cb ]---

 6923 18:30:05.686325  # [   46.111795] lkdtm: Negative detected: saturated

 6924 18:30:05.695873  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6925 18:30:05.702026  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6926 18:30:05.705478  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6927 18:30:05.712224  # [   46.226156] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6928 18:30:05.718591  # [   46.235604] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6929 18:30:05.725416  # [   46.242998] lkdtm: Good: zero detected

 6930 18:30:05.728512  # [   46.247510] lkdtm: Correctly stayed at zero

 6931 18:30:05.735096  # [   46.252502] lkdtm: attempting bad refcount_inc() from zero

 6932 18:30:05.741900  # [   46.258921] ------------[ cut here ]------------

 6933 18:30:05.748458  # [   46.264372] refcount_t: addition on 0; use-after-free.

 6934 18:30:05.758132  # [   46.270445] WARNING: CPU: 3 PID: 2231 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6935 18:30:05.810511  # [   46.280169] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6936 18:30:05.820616  # [   46.339116] CPU: 3 PID: 2231 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 6937 18:30:05.826604  # [   46.348090] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6938 18:30:05.833389  # [   46.355191] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6939 18:30:05.856432  # [   46.361366] Code: 01 01 e8 c6 cb c0 00 0f 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95 85 c6 05 ca ef f6 01 01 e8 a3 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95

 6940 18:30:05.862907  # [   46.382648] RSP: 0018:ffffac1c02b0fe48 EFLAGS: 00010286

 6941 18:30:05.869611  # [   46.394982] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6942 18:30:05.879245  # [   46.403248] RDX: ffff97bd3adac660 RSI: ffff97bd3ad9bf70 RDI: ffff97bd3ad9bf70

 6943 18:30:05.885447  # [   46.411533] RBP: ffffffff859f9021 R08: 0000000000000000 R09: 0000000000000000

 6944 18:30:05.895694  # [   46.419796] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6945 18:30:05.902014  # [   46.428058] R13: ffffac1c02b0ff10 R14: ffffac1c02b0ff10 R15: ffff97bcc349c000

 6946 18:30:05.912268  # [   46.436321] FS:  00007f8a756d9580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000

 6947 18:30:05.919066  # [   46.445659] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6948 18:30:05.928363  # [   46.452407] CR2: 00007f8a754e3000 CR3: 0000000100fd4003 CR4: 00000000003706e0

 6949 18:30:05.931919  # [   46.460669] Call Trace:

 6950 18:30:05.935073  # [   46.463693]  ? __warn+0x80/0x110

 6951 18:30:05.941759  # [   46.467618]  ? refcount_warn_saturate+0x74/0x110

 6952 18:30:05.944666  # [   46.473067]  ? report_bug+0x9e/0xc0

 6953 18:30:05.948506  # [   46.477252]  ? handle_bug+0x41/0x90

 6954 18:30:05.955152  # [   46.481452]  ? exc_invalid_op+0x14/0x70

 6955 18:30:05.958375  # [   46.486028]  ? asm_exc_invalid_op+0x12/0x20

 6956 18:30:05.964951  # [   46.490992]  ? refcount_warn_saturate+0x74/0x110

 6957 18:30:05.967911  # [   46.496469]  ? refcount_warn_saturate+0x74/0x110

 6958 18:30:05.974700  # [   46.501915]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6959 18:30:05.978262  # [   46.507169]  direct_entry.cold+0x2c/0x38

 6960 18:30:05.984466  # [   46.511842]  full_proxy_write+0x53/0x80

 6961 18:30:05.987893  # [   46.516441]  vfs_write+0xe7/0x3b0

 6962 18:30:05.990904  # [   46.520433]  ksys_write+0x68/0xf0

 6963 18:30:05.997594  # [   46.524425]  do_syscall_64+0x30/0x40

 6964 18:30:06.001115  # [   46.528709]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6965 18:30:06.007366  # [   46.534642] RIP: 0033:0x7f8a755ef473

 6966 18:30:06.027217  # [   46.538924] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6967 18:30:06.037219  # [   46.560201] RSP: 002b:00007ffccedcfc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6968 18:30:06.046832  # [   46.568950] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8a755ef473

 6969 18:30:06.053664  # [   46.577212] RDX: 0000000000000012 RSI: 00007f8a754e3000 RDI: 0000000000000001

 6970 18:30:06.063654  # [   46.585476] RBP: 00007f8a754e3000 R08: 00007f8a754e2010 R09: 0000000000000000

 6971 18:30:06.070525  # [   46.593738] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6972 18:30:06.079950  # [   46.602001] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6973 18:30:06.083145  # [   46.610266] irq event stamp: 0

 6974 18:30:06.089634  # [   46.613997] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6975 18:30:06.099374  # [   46.621288] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6976 18:30:06.109392  # [   46.630716] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 6977 18:30:06.116020  # [   46.640143] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6978 18:30:06.123110  # [   46.647434] ---[ end trace c8f77ca8824754cc ]---

 6979 18:30:06.125788  # [   46.652881] lkdtm: Zero detected: saturated

 6980 18:30:06.132386  # REFCOUNT_INC_ZERO: saw 'call trace:': ok

 6981 18:30:06.135749  ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6982 18:30:06.139099  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6983 18:30:06.149253  # [   46.757866] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6984 18:30:06.155335  # [   46.770182] lkdtm: attempting safe refcount_add_not_zero() from zero

 6985 18:30:06.158907  # [   46.783786] lkdtm: Good: zero detected

 6986 18:30:06.165593  # [   46.794469] lkdtm: Correctly stayed at zero

 6987 18:30:06.171620  # [   46.805635] lkdtm: attempting bad refcount_add() from zero

 6988 18:30:06.175245  # [   46.818318] ------------[ cut here ]------------

 6989 18:30:06.182276  # [   46.829950] refcount_t: addition on 0; use-after-free.

 6990 18:30:06.191980  # [   46.842251] WARNING: CPU: 0 PID: 2263 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6991 18:30:06.247787  # [   46.858134] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6992 18:30:06.254133  # [   46.917143] CPU: 0 PID: 2263 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 6993 18:30:06.264406  # [   46.932251] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6994 18:30:06.267450  # [   46.945587] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6995 18:30:06.290642  # [   46.957914] Code: 01 01 e8 c6 cb c0 00 0f 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95 85 c6 05 ca ef f6 01 01 e8 a3 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95

 6996 18:30:06.296751  # [   46.985470] RSP: 0018:ffffac1c02bc7e48 EFLAGS: 00010286

 6997 18:30:06.306917  # [   46.997750] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6998 18:30:06.313727  # [   47.012237] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70

 6999 18:30:06.323423  # [   47.026713] RBP: ffffffff859f9033 R08: 0000000000000000 R09: 0000000000000000

 7000 18:30:06.329831  # [   47.041198] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 7001 18:30:06.339806  # [   47.055672] R13: ffffac1c02bc7f10 R14: ffffac1c02bc7f10 R15: ffff97bcc3661000

 7002 18:30:06.349828  # [   47.070162] FS:  00007ff424a3f580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 7003 18:30:06.355942  # [   47.085707] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7004 18:30:06.362786  # [   47.098629] CR2: 00007ff424849000 CR3: 000000010299c002 CR4: 00000000003706f0

 7005 18:30:06.365768  # [   47.113108] Call Trace:

 7006 18:30:06.369253  # [   47.122361]  ? __warn+0x80/0x110

 7007 18:30:06.376073  # [   47.132458]  ? refcount_warn_saturate+0x74/0x110

 7008 18:30:06.379276  # [   47.144143]  ? report_bug+0x9e/0xc0

 7009 18:30:06.385821  # [   47.154535]  ? handle_bug+0x41/0x90

 7010 18:30:06.389585  # [   47.164940]  ? exc_invalid_op+0x14/0x70

 7011 18:30:06.395964  # [   47.175729]  ? asm_exc_invalid_op+0x12/0x20

 7012 18:30:06.398760  # [   47.186921]  ? refcount_warn_saturate+0x74/0x110

 7013 18:30:06.405714  # [   47.198573]  ? refcount_warn_saturate+0x74/0x110

 7014 18:30:06.412269  # [   47.210255]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 7015 18:30:06.415392  # [   47.221702]  direct_entry.cold+0x2c/0x38

 7016 18:30:06.418420  # [   47.232623]  full_proxy_write+0x53/0x80

 7017 18:30:06.425103  # [   47.243390]  vfs_write+0xe7/0x3b0

 7018 18:30:06.428610  # [   47.253611]  ksys_write+0x68/0xf0

 7019 18:30:06.431376  # [   47.263810]  do_syscall_64+0x30/0x40

 7020 18:30:06.438444  # [   47.274317]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7021 18:30:06.441464  # [   47.286455] RIP: 0033:0x7ff424955473

 7022 18:30:06.464760  # [   47.296968] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7023 18:30:06.474679  # [   47.324449] RSP: 002b:00007ffd361a7bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7024 18:30:06.480951  # [   47.339418] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff424955473

 7025 18:30:06.490608  # [   47.353889] RDX: 0000000000000012 RSI: 00007ff424849000 RDI: 0000000000000001

 7026 18:30:06.497318  # [   47.368378] RBP: 00007ff424849000 R08: 00007ff424848010 R09: 0000000000000000

 7027 18:30:06.507219  # [   47.382849] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7028 18:30:06.513469  # [   47.397352] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7029 18:30:06.520447  # [   47.411805] irq event stamp: 0

 7030 18:30:06.526949  # [   47.421704] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7031 18:30:06.536769  # [   47.435229] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 7032 18:30:06.546853  # [   47.450856] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 7033 18:30:06.553008  # [   47.466519] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7034 18:30:06.559798  # [   47.480021] ---[ end trace c8f77ca8824754cd ]---

 7035 18:30:06.563023  # [   47.491686] lkdtm: Zero detected: saturated

 7036 18:30:06.569790  # REFCOUNT_ADD_ZERO: saw 'call trace:': ok

 7037 18:30:06.572987  ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 7038 18:30:06.576027  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 7039 18:30:06.585952  # [   47.782413] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 7040 18:30:06.592523  # [   47.794259] lkdtm: attempting bad refcount_inc() from saturated

 7041 18:30:06.595580  # [   47.807428] ------------[ cut here ]------------

 7042 18:30:06.602593  # [   47.819088] refcount_t: saturated; leaking memory.

 7043 18:30:06.612361  # [   47.830978] WARNING: CPU: 1 PID: 2298 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 7044 18:30:06.667733  # [   47.846883] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7045 18:30:06.677881  # [   47.905868] CPU: 1 PID: 2298 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 7046 18:30:06.684644  # [   47.920997] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7047 18:30:06.690822  # [   47.934307] RIP: 0010:refcount_warn_saturate+0x51/0x110

 7048 18:30:06.710537  # [   47.946649] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 95 85 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95

 7049 18:30:06.717388  # [   47.967922] RSP: 0018:ffffac1c02c5fe48 EFLAGS: 00010286

 7050 18:30:06.726982  # [   47.980258] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 7051 18:30:06.733845  # [   47.988521] RDX: ffff97bd3acac660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70

 7052 18:30:06.743613  # [   48.002994] RBP: ffffffff859f9045 R08: 0000000000000000 R09: 0000000000000000

 7053 18:30:06.753576  # [   48.011257] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7054 18:30:06.759821  # [   48.025728] R13: ffffac1c02c5ff10 R14: ffffac1c02c5ff10 R15: ffff97bcc365d000

 7055 18:30:06.769659  # [   48.033993] FS:  00007f35dda2c580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000

 7056 18:30:06.776614  # [   48.049533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7057 18:30:06.786485  # [   48.056241] CR2: 00007f35dd836000 CR3: 0000000103606003 CR4: 00000000003706e0

 7058 18:30:06.789612  # [   48.070714] Call Trace:

 7059 18:30:06.792660  # [   48.073740]  ? __warn+0x80/0x110

 7060 18:30:06.796342  # [   48.083841]  ? refcount_warn_saturate+0x51/0x110

 7061 18:30:06.802397  # [   48.095503]  ? report_bug+0x9e/0xc0

 7062 18:30:06.806132  # [   48.105903]  ? handle_bug+0x41/0x90

 7063 18:30:06.809192  # [   48.116300]  ? exc_invalid_op+0x14/0x70

 7064 18:30:06.815655  # [   48.127088]  ? asm_exc_invalid_op+0x12/0x20

 7065 18:30:06.819176  # [   48.138269]  ? refcount_warn_saturate+0x51/0x110

 7066 18:30:06.825581  # [   48.149928]  ? refcount_warn_saturate+0x51/0x110

 7067 18:30:06.832744  # [   48.161590]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 7068 18:30:06.835899  # [   48.173543]  direct_entry.cold+0x2c/0x38

 7069 18:30:06.842554  # [   48.184427]  full_proxy_write+0x53/0x80

 7070 18:30:06.845813  # [   48.195214]  vfs_write+0xe7/0x3b0

 7071 18:30:06.848998  # [   48.205433]  ksys_write+0x68/0xf0

 7072 18:30:06.852072  # [   48.215640]  do_syscall_64+0x30/0x40

 7073 18:30:06.858989  # [   48.226134]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7074 18:30:06.865820  # [   48.238281] RIP: 0033:0x7f35dd942473

 7075 18:30:06.885575  # [   48.248776] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7076 18:30:06.895076  # [   48.276265] RSP: 002b:00007fffabc97118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7077 18:30:06.901582  # [   48.291229] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f35dd942473

 7078 18:30:06.911486  # [   48.305705] RDX: 0000000000000017 RSI: 00007f35dd836000 RDI: 0000000000000001

 7079 18:30:06.917970  # [   48.320182] RBP: 00007f35dd836000 R08: 00007f35dd835010 R09: 0000000000000000

 7080 18:30:06.928162  # [   48.334660] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7081 18:30:06.934829  # [   48.349139] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7082 18:30:06.941601  # [   48.363621] irq event stamp: 0

 7083 18:30:06.947509  # [   48.373532] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7084 18:30:06.957331  # [   48.387040] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 7085 18:30:06.967241  # [   48.402682] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 7086 18:30:06.973699  # [   48.418325] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7087 18:30:06.980384  # [   48.431830] ---[ end trace c8f77ca8824754ce ]---

 7088 18:30:06.986854  # [   48.443492] lkdtm: Saturation detected: still saturated

 7089 18:30:06.993520  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 7090 18:30:07.000236  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 7091 18:30:07.003836  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 7092 18:30:07.010189  # [   48.560417] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 7093 18:30:07.017003  # [   48.568587] lkdtm: attempting bad refcount_dec() from saturated

 7094 18:30:07.023073  # [   48.575522] ------------[ cut here ]------------

 7095 18:30:07.029858  # [   48.580970] refcount_t: decrement hit 0; leaking memory.

 7096 18:30:07.039824  # [   48.587224] WARNING: CPU: 2 PID: 2333 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 7097 18:30:07.095508  # [   48.596948] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7098 18:30:07.101678  # [   48.655899] CPU: 2 PID: 2333 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 7099 18:30:07.111855  # [   48.664865] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7100 18:30:07.115064  # [   48.671997] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 7101 18:30:07.137896  # [   48.678126] Code: c0 3f 95 85 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 95 85 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 7102 18:30:07.144545  # [   48.699436] RSP: 0018:ffffac1c02ccfe48 EFLAGS: 00010286

 7103 18:30:07.154369  # [   48.705580] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 7104 18:30:07.160954  # [   48.720045] RDX: ffff97bd3ad2c660 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 7105 18:30:07.170880  # [   48.728308] RBP: ffffffff859f905c R08: 0000000000000000 R09: 0000000000000000

 7106 18:30:07.177282  # [   48.736571] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7107 18:30:07.186864  # [   48.744835] R13: ffffac1c02ccff10 R14: ffffac1c02ccff10 R15: ffff97bcc6fc3000

 7108 18:30:07.197077  # [   48.753098] FS:  00007faf645d8580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 7109 18:30:07.203620  # [   48.762431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7110 18:30:07.213252  # [   48.769139] CR2: 00007faf643e2000 CR3: 000000010341c001 CR4: 00000000003706e0

 7111 18:30:07.216906  # [   48.777415] Call Trace:

 7112 18:30:07.220038  # [   48.780438]  ? __warn+0x80/0x110

 7113 18:30:07.222900  # [   48.784368]  ? refcount_warn_saturate+0xfb/0x110

 7114 18:30:07.229573  # [   48.796027]  ? report_bug+0x9e/0xc0

 7115 18:30:07.232729  # [   48.800216]  ? handle_bug+0x41/0x90

 7116 18:30:07.236492  # [   48.804431]  ? exc_invalid_op+0x14/0x70

 7117 18:30:07.243008  # [   48.809008]  ? asm_exc_invalid_op+0x12/0x20

 7118 18:30:07.249283  # [   48.814003]  ? refcount_warn_saturate+0xfb/0x110

 7119 18:30:07.253029  # [   48.819485]  ? refcount_warn_saturate+0xfb/0x110

 7120 18:30:07.259243  # [   48.824963]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 7121 18:30:07.265501  # [   48.830705]  direct_entry.cold+0x2c/0x38

 7122 18:30:07.269055  # [   48.835423]  full_proxy_write+0x53/0x80

 7123 18:30:07.272528  # [   48.839999]  vfs_write+0xe7/0x3b0

 7124 18:30:07.275591  # [   48.844020]  ksys_write+0x68/0xf0

 7125 18:30:07.281841  # [   48.848015]  do_syscall_64+0x30/0x40

 7126 18:30:07.288794  # [   48.852329]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7127 18:30:07.292052  # [   48.858264] RIP: 0033:0x7faf644ee473

 7128 18:30:07.315115  # [   48.862546] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7129 18:30:07.321864  # [   48.883821] RSP: 002b:00007fff7221cc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7130 18:30:07.331520  # [   48.892570] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007faf644ee473

 7131 18:30:07.338240  # [   48.900834] RDX: 0000000000000017 RSI: 00007faf643e2000 RDI: 0000000000000001

 7132 18:30:07.347994  # [   48.909098] RBP: 00007faf643e2000 R08: 00007faf643e1010 R09: 0000000000000000

 7133 18:30:07.354378  # [   48.917364] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7134 18:30:07.364211  # [   48.925628] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7135 18:30:07.367956  # [   48.933915] irq event stamp: 0

 7136 18:30:07.374524  # [   48.937622] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7137 18:30:07.384123  # [   48.951123] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 7138 18:30:07.393929  # [   48.960551] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 7139 18:30:07.400632  # [   48.969977] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7140 18:30:07.407175  # [   48.977268] ---[ end trace c8f77ca8824754cf ]---

 7141 18:30:07.413484  # [   48.982714] lkdtm: Saturation detected: still saturated

 7142 18:30:07.420312  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok

 7143 18:30:07.426919  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 7144 18:30:07.429969  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7145 18:30:07.436783  # [   49.322805] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 7146 18:30:07.446717  # [   49.331743] lkdtm: attempting bad refcount_dec() from saturated

 7147 18:30:07.449840  # [   49.338652] ------------[ cut here ]------------

 7148 18:30:07.456362  # [   49.344108] refcount_t: saturated; leaking memory.

 7149 18:30:07.466280  # [   49.349794] WARNING: CPU: 2 PID: 2368 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 7150 18:30:07.521707  # [   49.365706] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7151 18:30:07.528745  # [   49.424701] CPU: 2 PID: 2368 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 7152 18:30:07.537948  # [   49.433675] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7153 18:30:07.541861  # [   49.440776] RIP: 0010:refcount_warn_saturate+0x51/0x110

 7154 18:30:07.565148  # [   49.446909] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 95 85 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95

 7155 18:30:07.571409  # [   49.468216] RSP: 0018:ffffac1c02d4fe48 EFLAGS: 00010286

 7156 18:30:07.577941  # [   49.474379] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 7157 18:30:07.587946  # [   49.482669] RDX: ffff97bd3ad2c660 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70

 7158 18:30:07.597781  # [   49.490933] RBP: ffffffff859f9073 R08: 0000000000000000 R09: 0000000000000000

 7159 18:30:07.604315  # [   49.499228] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7160 18:30:07.613988  # [   49.507492] R13: ffffac1c02d4ff10 R14: ffffac1c02d4ff10 R15: ffff97bcc30f5000

 7161 18:30:07.623549  # [   49.515756] FS:  00007f1894a26580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000

 7162 18:30:07.630166  # [   49.525088] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7163 18:30:07.637062  # [   49.531799] CR2: 00007f1894830000 CR3: 0000000105f06005 CR4: 00000000003706e0

 7164 18:30:07.640236  # [   49.540061] Call Trace:

 7165 18:30:07.643378  # [   49.543086]  ? __warn+0x80/0x110

 7166 18:30:07.649967  # [   49.547011]  ? refcount_warn_saturate+0x51/0x110

 7167 18:30:07.653077  # [   49.558667]  ? report_bug+0x9e/0xc0

 7168 18:30:07.660007  # [   49.562887]  ? handle_bug+0x41/0x90

 7169 18:30:07.663333  # [   49.567103]  ? exc_invalid_op+0x14/0x70

 7170 18:30:07.669554  # [   49.571679]  ? asm_exc_invalid_op+0x12/0x20

 7171 18:30:07.673242  # [   49.576696]  ? refcount_warn_saturate+0x51/0x110

 7172 18:30:07.679935  # [   49.582159]  ? refcount_warn_saturate+0x51/0x110

 7173 18:30:07.686505  # [   49.593809]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 7174 18:30:07.690009  # [   49.599552]  direct_entry.cold+0x2c/0x38

 7175 18:30:07.692709  # [   49.604255]  full_proxy_write+0x53/0x80

 7176 18:30:07.699081  # [   49.608866]  vfs_write+0xe7/0x3b0

 7177 18:30:07.702641  # [   49.619068]  ksys_write+0x68/0xf0

 7178 18:30:07.705704  # [   49.623062]  do_syscall_64+0x30/0x40

 7179 18:30:07.712109  # [   49.627390]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7180 18:30:07.715472  # [   49.633363] RIP: 0033:0x7f189493c473

 7181 18:30:07.738276  # [   49.643860] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7182 18:30:07.748395  # [   49.665136] RSP: 002b:00007ffcfc69bf18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7183 18:30:07.754716  # [   49.673885] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f189493c473

 7184 18:30:07.765118  # [   49.682148] RDX: 0000000000000017 RSI: 00007f1894830000 RDI: 0000000000000001

 7185 18:30:07.771781  # [   49.690413] RBP: 00007f1894830000 R08: 00007f189482f010 R09: 0000000000000000

 7186 18:30:07.781471  # [   49.698675] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7187 18:30:07.791088  # [   49.706940] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7188 18:30:07.794474  # [   49.715207] irq event stamp: 0

 7189 18:30:07.801119  # [   49.718932] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7190 18:30:07.811248  # [   49.732435] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 7191 18:30:07.821026  # [   49.741865] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 7192 18:30:07.827266  # [   49.751293] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7193 18:30:07.833992  # [   49.758585] ---[ end trace c8f77ca8824754d0 ]---

 7194 18:30:07.840652  # [   49.764033] lkdtm: Saturation detected: still saturated

 7195 18:30:07.846981  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok

 7196 18:30:07.850526  ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7197 18:30:07.856724  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7198 18:30:07.866649  # [   49.875495] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 7199 18:30:07.873203  # [   49.883854] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 7200 18:30:07.880053  # [   49.897857] ------------[ cut here ]------------

 7201 18:30:07.882967  # [   49.909515] refcount_t: saturated; leaking memory.

 7202 18:30:07.892735  # [   49.921389] WARNING: CPU: 0 PID: 2400 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7203 18:30:07.949072  # [   49.937414] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7204 18:30:07.958533  # [   49.996277] CPU: 0 PID: 2400 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 7205 18:30:07.964897  # [   50.011509] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7206 18:30:07.971481  # [   50.024790] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7207 18:30:07.994539  # [   50.037158] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 85 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95

 7208 18:30:07.997594  # [   50.064628] RSP: 0018:ffffac1c02dcfe38 EFLAGS: 00010282

 7209 18:30:08.007853  # [   50.077006] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7210 18:30:08.014095  # [   50.091507] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70

 7211 18:30:08.024029  # [   50.105987] RBP: ffffffff859f8ca0 R08: 0000000000000000 R09: 0000000000000000

 7212 18:30:08.033971  # [   50.120467] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7213 18:30:08.040551  # [   50.134951] R13: ffffac1c02dcff10 R14: ffffac1c02dcff10 R15: ffff97bcc324a000

 7214 18:30:08.050378  # [   50.149471] FS:  00007f1c9b376580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 7215 18:30:08.056880  # [   50.165013] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7216 18:30:08.066881  # [   50.177923] CR2: 00007f1c9b180000 CR3: 00000001030d6002 CR4: 00000000003706f0

 7217 18:30:08.067001  # [   50.192450] Call Trace:

 7218 18:30:08.073630  # [   50.201712]  ? __warn+0x80/0x110

 7219 18:30:08.077095  # [   50.211802]  ? refcount_warn_saturate+0x97/0x110

 7220 18:30:08.083749  # [   50.223512]  ? report_bug+0x9e/0xc0

 7221 18:30:08.086780  # [   50.233933]  ? handle_bug+0x41/0x90

 7222 18:30:08.089837  # [   50.244316]  ? exc_invalid_op+0x14/0x70

 7223 18:30:08.096746  # [   50.255153]  ? asm_exc_invalid_op+0x12/0x20

 7224 18:30:08.099733  # [   50.266307]  ? refcount_warn_saturate+0x97/0x110

 7225 18:30:08.106303  # [   50.277975]  ? refcount_warn_saturate+0x97/0x110

 7226 18:30:08.112913  # [   50.289628]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7227 18:30:08.119491  # [   50.302256]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 7228 18:30:08.125945  # [   50.315117]  direct_entry.cold+0x2c/0x38

 7229 18:30:08.129300  # [   50.326023]  full_proxy_write+0x53/0x80

 7230 18:30:08.132992  # [   50.336831]  vfs_write+0xe7/0x3b0

 7231 18:30:08.135865  # [   50.347048]  ksys_write+0x68/0xf0

 7232 18:30:08.142690  # [   50.357250]  do_syscall_64+0x30/0x40

 7233 18:30:08.149456  # [   50.367765]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7234 18:30:08.152416  # [   50.379924] RIP: 0033:0x7f1c9b28c473

 7235 18:30:08.175344  # [   50.390446] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7236 18:30:08.182318  # [   50.417965] RSP: 002b:00007ffff6b899a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7237 18:30:08.191949  # [   50.432936] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1c9b28c473

 7238 18:30:08.198719  # [   50.447445] RDX: 0000000000000020 RSI: 00007f1c9b180000 RDI: 0000000000000001

 7239 18:30:08.208455  # [   50.461904] RBP: 00007f1c9b180000 R08: 00007f1c9b17f010 R09: 0000000000000000

 7240 18:30:08.218030  # [   50.476397] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7241 18:30:08.224434  # [   50.490863] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7242 18:30:08.228074  # [   50.505369] irq event stamp: 0

 7243 18:30:08.234247  # [   50.515258] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7244 18:30:08.244153  # [   50.528773] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 7245 18:30:08.254305  # [   50.544416] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 7246 18:30:08.264077  # [   50.560076] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7247 18:30:08.267320  # [   50.573565] ---[ end trace c8f77ca8824754d1 ]---

 7248 18:30:08.273807  # [   50.585240] lkdtm: Saturation detected: still saturated

 7249 18:30:08.280653  # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7250 18:30:08.286763  ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7251 18:30:08.289937  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7252 18:30:08.300319  # [   50.927052] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 7253 18:30:08.306975  # [   50.935166] lkdtm: attempting bad refcount_add_not_zero() from saturated

 7254 18:30:08.313436  # [   50.949169] ------------[ cut here ]------------

 7255 18:30:08.320148  # [   50.960834] refcount_t: saturated; leaking memory.

 7256 18:30:08.330034  # [   50.972702] WARNING: CPU: 0 PID: 2432 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7257 18:30:08.382540  # [   50.988675] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7258 18:30:08.392456  # [   51.047601] CPU: 0 PID: 2432 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 7259 18:30:08.398639  # [   51.062799] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7260 18:30:08.405176  # [   51.076111] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7261 18:30:08.428539  # [   51.088471] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 85 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95

 7262 18:30:08.435067  # [   51.115964] RSP: 0018:ffffac1c02e6fe38 EFLAGS: 00010282

 7263 18:30:08.441601  # [   51.128321] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7264 18:30:08.451632  # [   51.142764] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70

 7265 18:30:08.458237  # [   51.157247] RBP: ffffffff859f8cc0 R08: 0000000000000000 R09: 0000000000000000

 7266 18:30:08.467758  # [   51.171742] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7267 18:30:08.474500  # [   51.186184] R13: ffffac1c02e6ff10 R14: ffffac1c02e6ff10 R15: ffff97bcc375a000

 7268 18:30:08.484339  # [   51.200703] FS:  00007f4eec662580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 7269 18:30:08.490543  # [   51.216234] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7270 18:30:08.500557  # [   51.229202] CR2: 00007f4eec46c000 CR3: 0000000103752006 CR4: 00000000003706f0

 7271 18:30:08.503947  # [   51.243699] Call Trace:

 7272 18:30:08.507060  # [   51.252940]  ? __warn+0x80/0x110

 7273 18:30:08.513633  # [   51.263071]  ? refcount_warn_saturate+0x97/0x110

 7274 18:30:08.516744  # [   51.274753]  ? report_bug+0x9e/0xc0

 7275 18:30:08.520353  # [   51.285161]  ? handle_bug+0x41/0x90

 7276 18:30:08.526967  # [   51.295545]  ? exc_invalid_op+0x14/0x70

 7277 18:30:08.530180  # [   51.306370]  ? asm_exc_invalid_op+0x12/0x20

 7278 18:30:08.536481  # [   51.317572]  ? refcount_warn_saturate+0x97/0x110

 7279 18:30:08.539993  # [   51.329252]  ? refcount_warn_saturate+0x97/0x110

 7280 18:30:08.546509  # [   51.340882]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7281 18:30:08.556223  # [   51.353580]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 7282 18:30:08.559761  # [   51.366414]  direct_entry.cold+0x2c/0x38

 7283 18:30:08.562596  # [   51.377338]  full_proxy_write+0x53/0x80

 7284 18:30:08.569047  # [   51.388103]  vfs_write+0xe7/0x3b0

 7285 18:30:08.572719  # [   51.398333]  ksys_write+0x68/0xf0

 7286 18:30:08.576028  # [   51.408511]  do_syscall_64+0x30/0x40

 7287 18:30:08.582575  # [   51.419039]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7288 18:30:08.586030  # [   51.431194] RIP: 0033:0x7f4eec578473

 7289 18:30:08.608712  # [   51.441710] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7290 18:30:08.618684  # [   51.469194] RSP: 002b:00007fffbc0172b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7291 18:30:08.625324  # [   51.484167] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4eec578473

 7292 18:30:08.635576  # [   51.498639] RDX: 0000000000000020 RSI: 00007f4eec46c000 RDI: 0000000000000001

 7293 18:30:08.641209  # [   51.513129] RBP: 00007f4eec46c000 R08: 00007f4eec46b010 R09: 0000000000000000

 7294 18:30:08.651234  # [   51.527600] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7295 18:30:08.658063  # [   51.542098] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7296 18:30:08.660966  # [   51.556570] irq event stamp: 0

 7297 18:30:08.671176  # [   51.566492] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7298 18:30:08.680937  # [   51.580001] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 7299 18:30:08.691244  # [   51.595648] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 7300 18:30:08.697690  # [   51.611288] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7301 18:30:08.704169  # [   51.624808] ---[ end trace c8f77ca8824754d2 ]---

 7302 18:30:08.707276  # [   51.636458] lkdtm: Saturation detected: still saturated

 7303 18:30:08.713936  # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7304 18:30:08.720307  ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7305 18:30:08.726909  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7306 18:30:08.733463  # [   51.760353] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7307 18:30:08.743044  # [   51.768634] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7308 18:30:08.746590  # [   51.782659] ------------[ cut here ]------------

 7309 18:30:08.752705  # [   51.794316] refcount_t: underflow; use-after-free.

 7310 18:30:08.762688  # [   51.806182] WARNING: CPU: 0 PID: 2467 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7311 18:30:08.818011  # [   51.822115] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7312 18:30:08.825553  # [   51.881092] CPU: 0 PID: 2467 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 7313 18:30:08.835004  # [   51.896211] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7314 18:30:08.838307  # [   51.909567] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7315 18:30:08.861389  # [   51.921893] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 85 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7

 7316 18:30:08.867943  # [   51.949436] RSP: 0018:ffffac1c02ef7e40 EFLAGS: 00010286

 7317 18:30:08.877585  # [   51.961822] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7318 18:30:08.884114  # [   51.976289] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70

 7319 18:30:08.893978  # [   51.990858] RBP: ffffffff859f8ce0 R08: 0000000000000000 R09: 0000000000000000

 7320 18:30:08.900569  # [   52.005265] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7321 18:30:08.910188  # [   52.019847] R13: ffffac1c02ef7f10 R14: ffffac1c02ef7f10 R15: ffff97bcc5cf6000

 7322 18:30:08.920264  # [   52.034249] FS:  00007effda619580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 7323 18:30:08.926718  # [   52.049896] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7324 18:30:08.933572  # [   52.062731] CR2: 00007effda423000 CR3: 000000010300c004 CR4: 00000000003706f0

 7325 18:30:08.936541  # [   52.077228] Call Trace:

 7326 18:30:08.940419  # [   52.086443]  ? __warn+0x80/0x110

 7327 18:30:08.946103  # [   52.096566]  ? refcount_warn_saturate+0xba/0x110

 7328 18:30:08.949730  # [   52.108214]  ? report_bug+0x9e/0xc0

 7329 18:30:08.956420  # [   52.118630]  ? refcount_warn_saturate+0xba/0x110

 7330 18:30:08.959800  # [   52.130279]  ? handle_bug+0x41/0x90

 7331 18:30:08.966133  # [   52.140699]  ? exc_invalid_op+0x14/0x70

 7332 18:30:08.969698  # [   52.151473]  ? asm_exc_invalid_op+0x12/0x20

 7333 18:30:08.976072  # [   52.162663]  ? refcount_warn_saturate+0xba/0x110

 7334 18:30:08.982494  # [   52.174336]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7335 18:30:08.989691  # [   52.186989]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7336 18:30:08.992867  # [   52.199808]  direct_entry.cold+0x2c/0x38

 7337 18:30:08.999410  # [   52.210693]  full_proxy_write+0x53/0x80

 7338 18:30:09.002572  # [   52.221487]  vfs_write+0xe7/0x3b0

 7339 18:30:09.005597  # [   52.231675]  ksys_write+0x68/0xf0

 7340 18:30:09.012091  # [   52.241882]  do_syscall_64+0x30/0x40

 7341 18:30:09.015857  # [   52.252445]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7342 18:30:09.021834  # [   52.264529] RIP: 0033:0x7effda52f473

 7343 18:30:09.041784  # [   52.275028] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7344 18:30:09.051352  # [   52.302560] RSP: 002b:00007ffe6c9bd5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7345 18:30:09.061565  # [   52.317542] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007effda52f473

 7346 18:30:09.068550  # [   52.332024] RDX: 0000000000000020 RSI: 00007effda423000 RDI: 0000000000000001

 7347 18:30:09.077842  # [   52.346501] RBP: 00007effda423000 R08: 00007effda422010 R09: 0000000000000000

 7348 18:30:09.084503  # [   52.360982] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7349 18:30:09.094443  # [   52.375459] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7350 18:30:09.098107  # [   52.389947] irq event stamp: 0

 7351 18:30:09.104304  # [   52.399842] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7352 18:30:09.114086  # [   52.413375] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 7353 18:30:09.123859  # [   52.429050] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 7354 18:30:09.130638  # [   52.444671] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7355 18:30:09.137854  # [   52.458208] ---[ end trace c8f77ca8824754d3 ]---

 7356 18:30:09.144151  # [   52.469844] lkdtm: Saturation detected: still saturated

 7357 18:30:09.150214  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7358 18:30:09.156880  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7359 18:30:09.163433  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7360 18:30:09.169842  # [   52.928760] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7361 18:30:09.179893  # [   52.940669] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7362 18:30:09.186503  # [   52.954669] ------------[ cut here ]------------

 7363 18:30:09.189433  # [   52.966330] refcount_t: underflow; use-after-free.

 7364 18:30:09.199802  # [   52.978194] WARNING: CPU: 0 PID: 2502 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7365 18:30:09.255796  # [   52.994081] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7366 18:30:09.262135  # [   53.053077] CPU: 0 PID: 2502 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 7367 18:30:09.271996  # [   53.068251] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7368 18:30:09.275728  # [   53.081569] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7369 18:30:09.298377  # [   53.093896] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 85 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7

 7370 18:30:09.304741  # [   53.121444] RSP: 0018:ffffac1c02f7fe40 EFLAGS: 00010286

 7371 18:30:09.311740  # [   53.133774] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7372 18:30:09.321418  # [   53.148289] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70

 7373 18:30:09.331253  # [   53.162755] RBP: ffffffff859f8d00 R08: 0000000000000000 R09: 0000000000000000

 7374 18:30:09.337922  # [   53.177270] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7375 18:30:09.347756  # [   53.191736] R13: ffffac1c02f7ff10 R14: ffffac1c02f7ff10 R15: ffff97bcc6f5a000

 7376 18:30:09.357274  # [   53.200034] FS:  00007fbbe538c580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000

 7377 18:30:09.363810  # [   53.215584] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7378 18:30:09.370502  # [   53.228494] CR2: 00007fbbe5196000 CR3: 0000000106fc6002 CR4: 00000000003706f0

 7379 18:30:09.374040  # [   53.243021] Call Trace:

 7380 18:30:09.377180  # [   53.252227]  ? __warn+0x80/0x110

 7381 18:30:09.383593  # [   53.262377]  ? refcount_warn_saturate+0xba/0x110

 7382 18:30:09.386836  # [   53.274001]  ? report_bug+0x9e/0xc0

 7383 18:30:09.393582  # [   53.284423]  ? find_bug+0x1b0/0x1b0

 7384 18:30:09.396554  # [   53.294803]  ? handle_bug+0x41/0x90

 7385 18:30:09.399938  # [   53.305230]  ? exc_invalid_op+0x14/0x70

 7386 18:30:09.406711  # [   53.316006]  ? asm_exc_invalid_op+0x12/0x20

 7387 18:30:09.413117  # [   53.327211]  ? refcount_warn_saturate+0xba/0x110

 7388 18:30:09.416241  # [   53.338843]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7389 18:30:09.426501  # [   53.351507]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7390 18:30:09.429396  # [   53.364312]  direct_entry.cold+0x2c/0x38

 7391 18:30:09.433060  # [   53.375213]  full_proxy_write+0x53/0x80

 7392 18:30:09.439704  # [   53.385988]  vfs_write+0xe7/0x3b0

 7393 18:30:09.442819  # [   53.396215]  ksys_write+0x68/0xf0

 7394 18:30:09.446347  # [   53.406404]  do_syscall_64+0x30/0x40

 7395 18:30:09.452739  # [   53.416915]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7396 18:30:09.456534  # [   53.429037] RIP: 0033:0x7fbbe52a2473

 7397 18:30:09.479493  # [   53.439536] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7398 18:30:09.488784  # [   53.467021] RSP: 002b:00007ffe2a9751f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7399 18:30:09.495899  # [   53.481969] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbbe52a2473

 7400 18:30:09.505554  # [   53.490251] RDX: 0000000000000020 RSI: 00007fbbe5196000 RDI: 0000000000000001

 7401 18:30:09.511901  # [   53.504781] RBP: 00007fbbe5196000 R08: 00007fbbe5195010 R09: 0000000000000000

 7402 18:30:09.521642  # [   53.519213] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7403 18:30:09.528277  # [   53.533723] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7404 18:30:09.531563  # [   53.548230] irq event stamp: 0

 7405 18:30:09.541137  # [   53.558137] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7406 18:30:09.551530  # [   53.571633] hardirqs last disabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 7407 18:30:09.558367  # [   53.587274] softirqs last  enabled at (0): [<ffffffff83afd844>] copy_process+0x664/0x1c60

 7408 18:30:09.568278  # [   53.602961] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7409 18:30:09.571230  # [   53.616458] ---[ end trace c8f77ca8824754d4 ]---

 7410 18:30:09.578326  # [   53.628143] lkdtm: Saturation detected: still saturated

 7411 18:30:09.587959  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7412 18:30:09.594170  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7413 18:30:09.597609  # selftests: lkdtm: REFCOUNT_TIMING.sh

 7414 18:30:09.601221  # Skipping REFCOUNT_TIMING: timing only

 7415 18:30:09.607392  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 7416 18:30:09.610696  # selftests: lkdtm: ATOMIC_TIMING.sh

 7417 18:30:09.613928  # Skipping ATOMIC_TIMING: timing only

 7418 18:30:09.617280  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 7419 18:30:09.624020  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 7420 18:30:09.630923  # [   54.143992] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7421 18:30:09.636750  # [   54.152721] lkdtm: attempting good copy_to_user of correct size

 7422 18:30:09.643413  # [   54.165878] lkdtm: attempting bad copy_to_user of too large size

 7423 18:30:09.650336  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 7424 18:30:09.656968  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 7425 18:30:09.660410  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 7426 18:30:09.669698  # [   54.295386] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7427 18:30:09.676381  # [   54.304320] lkdtm: attempting good copy_from_user of correct size

 7428 18:30:09.682882  # [   54.317637] lkdtm: attempting bad copy_from_user of too large size

 7429 18:30:09.689447  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 7430 18:30:09.695931  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 7431 18:30:09.699573  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 7432 18:30:09.709115  # [   54.446967] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7433 18:30:09.715982  # [   54.456638] lkdtm: attempting good copy_to_user inside whitelist

 7434 18:30:09.722156  # [   54.463652] lkdtm: attempting bad copy_to_user outside whitelist

 7435 18:30:09.728651  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 7436 18:30:09.735319  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 7437 18:30:09.741890  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 7438 18:30:09.748686  # [   54.594842] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7439 18:30:09.755206  # [   54.602683] lkdtm: attempting good copy_from_user inside whitelist

 7440 18:30:09.761277  # [   54.616111] lkdtm: attempting bad copy_from_user outside whitelist

 7441 18:30:09.768098  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 7442 18:30:09.774827  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 7443 18:30:09.781607  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 7444 18:30:09.788288  # [   54.750243] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7445 18:30:09.794578  # [   54.760992] lkdtm: good_stack: ffffac1c03317e20-ffffac1c03317e40

 7446 18:30:09.804051  # [   54.774212] lkdtm: bad_stack : ffffac1c03317da8-ffffac1c03317dc8

 7447 18:30:09.811351  # [   54.787465] lkdtm: attempting good copy_to_user of local stack

 7448 18:30:09.817461  # [   54.800524] lkdtm: attempting bad copy_to_user of distant stack

 7449 18:30:09.821063  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 7450 18:30:09.827225  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 7451 18:30:09.834060  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 7452 18:30:09.840577  # [   54.936737] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7453 18:30:09.847103  # [   54.945250] lkdtm: good_stack: ffffac1c033bfe20-ffffac1c033bfe40

 7454 18:30:09.853904  # [   54.958465] lkdtm: bad_stack : ffffac1c033bfda8-ffffac1c033bfdc8

 7455 18:30:09.860548  # [   54.971715] lkdtm: attempting good copy_from_user of local stack

 7456 18:30:09.867311  # [   54.984898] lkdtm: attempting bad copy_from_user of distant stack

 7457 18:30:09.873611  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 7458 18:30:09.880298  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 7459 18:30:09.883468  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 7460 18:30:09.889943  # [   55.133766] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7461 18:30:09.900227  # [   55.142015] lkdtm: good_stack: ffffac1c03467e20-ffffac1c03467e40

 7462 18:30:09.906584  # [   55.155236] lkdtm: bad_stack : ffffac1c03467ff8-ffffac1c03468018

 7463 18:30:09.913064  # [   55.168474] lkdtm: attempting good copy_to_user of local stack

 7464 18:30:09.919853  # [   55.181490] lkdtm: attempting bad copy_to_user of distant stack

 7465 18:30:09.926146  # [   55.194592] lkdtm: copy_to_user failed, but lacked Oops

 7466 18:30:09.929622  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 7467 18:30:09.936290  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 7468 18:30:09.939699  # selftests: lkdtm: USERCOPY_KERNEL.sh

 7469 18:30:09.945886  # [   55.356217] lkdtm: Performing direct entry USERCOPY_KERNEL

 7470 18:30:09.956285  # [   55.368736] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8557ed70

 7471 18:30:09.962775  # [   55.383918] lkdtm: attempting bad copy_to_user from kernel text: ffffffff83ce1430

 7472 18:30:09.969326  # [   55.398756] lkdtm: FAIL: survived bad copy_to_user()

 7473 18:30:09.975603  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 7474 18:30:09.979283  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 7475 18:30:09.985659  # selftests: lkdtm: STACKLEAK_ERASING.sh

 7476 18:30:09.992559  # [   55.547141] lkdtm: Performing direct entry STACKLEAK_ERASING

 7477 18:30:09.999030  # [   55.554160] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7478 18:30:10.005360  # [   55.562350] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7479 18:30:10.014942  # [   55.570434] lkdtm: FAIL: the thread stack is NOT properly erased

 7480 18:30:10.021484  # [   55.577445] CPU: 3 PID: 2867 Comm: cat Tainted: G      D W         5.10.185-cip35 #1

 7481 18:30:10.031259  # [   55.586408] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7482 18:30:10.031395  # [   55.593503] Call Trace:

 7483 18:30:10.038005  # [   55.596524]  dump_stack+0x77/0x9b

 7484 18:30:10.041430  # [   55.600513]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7485 18:30:10.048088  # [   55.605960]  direct_entry.cold+0x2c/0x38

 7486 18:30:10.051452  # [   55.610631]  full_proxy_write+0x53/0x80

 7487 18:30:10.054798  # [   55.615202]  vfs_write+0xe7/0x3b0

 7488 18:30:10.061553  # [   55.619191]  ksys_write+0x68/0xf0

 7489 18:30:10.064460  # [   55.623180]  do_syscall_64+0x30/0x40

 7490 18:30:10.071028  # [   55.627461]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7491 18:30:10.074310  # [   55.633403] RIP: 0033:0x7fedfe8bb473

 7492 18:30:10.097397  # [   55.637682] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7493 18:30:10.103670  # [   55.658954] RSP: 002b:00007ffefc169b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7494 18:30:10.113575  # [   55.667692] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fedfe8bb473

 7495 18:30:10.121023  # [   55.675951] RDX: 0000000000000012 RSI: 00007fedfe7af000 RDI: 0000000000000001

 7496 18:30:10.130388  # [   55.684211] RBP: 00007fedfe7af000 R08: 00007fedfe7ae010 R09: 0000000000000000

 7497 18:30:10.140156  # [   55.692471] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7498 18:30:10.146978  # [   55.700731] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7499 18:30:10.156535  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 7500 18:30:10.163026  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 7501 18:30:10.165998  # selftests: lkdtm: CFI_FORWARD_PROTO.sh

 7502 18:30:10.172990  # [   55.828413] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7503 18:30:10.179680  # [   55.839955] lkdtm: Calling matched prototype ...

 7504 18:30:10.182559  # [   55.851645] lkdtm: Calling mismatched prototype ...

 7505 18:30:10.192607  # [   55.863602] lkdtm: Fail: survived mismatched prototype function call!

 7506 18:30:10.195807  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 7507 18:30:10.202266  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 7508 18:30:10.205324  lkdtm_PANIC_sh skip

 7509 18:30:10.205408  lkdtm_BUG_sh pass

 7510 18:30:10.208985  lkdtm_WARNING_sh pass

 7511 18:30:10.212170  lkdtm_WARNING_MESSAGE_sh pass

 7512 18:30:10.215418  lkdtm_EXCEPTION_sh pass

 7513 18:30:10.215507  lkdtm_LOOP_sh skip

 7514 18:30:10.219009  lkdtm_EXHAUST_STACK_sh skip

 7515 18:30:10.222013  lkdtm_CORRUPT_STACK_sh skip

 7516 18:30:10.225511  lkdtm_CORRUPT_STACK_STRONG_sh skip

 7517 18:30:10.228449  lkdtm_CORRUPT_LIST_ADD_sh fail

 7518 18:30:10.232030  lkdtm_CORRUPT_LIST_DEL_sh fail

 7519 18:30:10.235195  lkdtm_STACK_GUARD_PAGE_LEADING_sh pass

 7520 18:30:10.242185  lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass

 7521 18:30:10.242346  lkdtm_UNSET_SMEP_sh pass

 7522 18:30:10.245235  lkdtm_DOUBLE_FAULT_sh skip

 7523 18:30:10.247969  lkdtm_CORRUPT_PAC_sh skip

 7524 18:30:10.251528  lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip

 7525 18:30:10.255086  lkdtm_OVERWRITE_ALLOCATION_sh skip

 7526 18:30:10.258153  lkdtm_WRITE_AFTER_FREE_sh skip

 7527 18:30:10.261148  lkdtm_READ_AFTER_FREE_sh fail

 7528 18:30:10.268227  lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip

 7529 18:30:10.271294  lkdtm_READ_BUDDY_AFTER_FREE_sh fail

 7530 18:30:10.274740  lkdtm_SLAB_FREE_DOUBLE_sh fail

 7531 18:30:10.277741  lkdtm_SLAB_FREE_CROSS_sh fail

 7532 18:30:10.277888  lkdtm_SLAB_FREE_PAGE_sh fail

 7533 18:30:10.281316  lkdtm_SOFTLOCKUP_sh skip

 7534 18:30:10.284776  lkdtm_HARDLOCKUP_sh skip

 7535 18:30:10.287644  lkdtm_SPINLOCKUP_sh skip

 7536 18:30:10.291401  lkdtm_HUNG_TASK_sh skip

 7537 18:30:10.291516  lkdtm_EXEC_DATA_sh pass

 7538 18:30:10.294324  lkdtm_EXEC_STACK_sh pass

 7539 18:30:10.297688  lkdtm_EXEC_KMALLOC_sh pass

 7540 18:30:10.300597  lkdtm_EXEC_VMALLOC_sh pass

 7541 18:30:10.304259  lkdtm_EXEC_RODATA_sh pass

 7542 18:30:10.307367  lkdtm_EXEC_USERSPACE_sh pass

 7543 18:30:10.307481  lkdtm_EXEC_NULL_sh pass

 7544 18:30:10.310854  lkdtm_ACCESS_USERSPACE_sh pass

 7545 18:30:10.313886  lkdtm_ACCESS_NULL_sh pass

 7546 18:30:10.317662  lkdtm_WRITE_RO_sh pass

 7547 18:30:10.320458  lkdtm_WRITE_RO_AFTER_INIT_sh pass

 7548 18:30:10.324029  lkdtm_WRITE_KERN_sh pass

 7549 18:30:10.327259  lkdtm_REFCOUNT_INC_OVERFLOW_sh pass

 7550 18:30:10.330195  lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass

 7551 18:30:10.337030  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass

 7552 18:30:10.340006  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass

 7553 18:30:10.343354  lkdtm_REFCOUNT_DEC_ZERO_sh pass

 7554 18:30:10.346757  lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass

 7555 18:30:10.350525  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass

 7556 18:30:10.357263  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass

 7557 18:30:10.360226  lkdtm_REFCOUNT_INC_ZERO_sh pass

 7558 18:30:10.363349  lkdtm_REFCOUNT_ADD_ZERO_sh pass

 7559 18:30:10.366549  lkdtm_REFCOUNT_INC_SATURATED_sh pass

 7560 18:30:10.370125  lkdtm_REFCOUNT_DEC_SATURATED_sh pass

 7561 18:30:10.373516  lkdtm_REFCOUNT_ADD_SATURATED_sh pass

 7562 18:30:10.379806  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass

 7563 18:30:10.382611  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass

 7564 18:30:10.389696  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass

 7565 18:30:10.392812  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass

 7566 18:30:10.395782  lkdtm_REFCOUNT_TIMING_sh skip

 7567 18:30:10.399408  lkdtm_ATOMIC_TIMING_sh skip

 7568 18:30:10.402371  lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail

 7569 18:30:10.406066  lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail

 7570 18:30:10.408855  lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail

 7571 18:30:10.415792  lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail

 7572 18:30:10.418818  lkdtm_USERCOPY_STACK_FRAME_TO_sh fail

 7573 18:30:10.422219  lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail

 7574 18:30:10.425792  lkdtm_USERCOPY_STACK_BEYOND_sh fail

 7575 18:30:10.428919  lkdtm_USERCOPY_KERNEL_sh fail

 7576 18:30:10.431937  lkdtm_STACKLEAK_ERASING_sh fail

 7577 18:30:10.435892  lkdtm_CFI_FORWARD_PROTO_sh fail

 7578 18:30:10.438617  + ../../utils/send-to-lava.sh ./output/result.txt

 7579 18:30:10.445076  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip>

 7580 18:30:10.445763  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip
 7582 18:30:10.451665  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass>

 7583 18:30:10.451961  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass
 7585 18:30:10.471385  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass>

 7586 18:30:10.471714  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass
 7588 18:30:10.497063  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass>

 7589 18:30:10.497390  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass
 7591 18:30:10.515662  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass>

 7592 18:30:10.515996  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass
 7594 18:30:10.542014  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip>

 7595 18:30:10.542357  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip
 7597 18:30:10.572634  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip>

 7598 18:30:10.572989  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip
 7600 18:30:10.597546  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip>

 7601 18:30:10.597873  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip
 7603 18:30:10.622796  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip>

 7604 18:30:10.623099  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip
 7606 18:30:10.647360  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail>

 7607 18:30:10.647694  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail
 7609 18:30:10.671629  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail>

 7610 18:30:10.671977  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail
 7612 18:30:10.696190  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass>

 7613 18:30:10.696511  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass
 7615 18:30:10.721610  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass>

 7616 18:30:10.721921  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass
 7618 18:30:10.742431  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass
 7620 18:30:10.744792  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass>

 7621 18:30:10.767779  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip>

 7622 18:30:10.768101  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip
 7624 18:30:10.788417  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip
 7626 18:30:10.790926  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip>

 7627 18:30:10.813496  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip>

 7628 18:30:10.813776  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip
 7630 18:30:10.835376  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip>

 7631 18:30:10.835707  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip
 7633 18:30:10.859224  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip>

 7634 18:30:10.859570  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip
 7636 18:30:10.882895  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail>

 7637 18:30:10.883181  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail
 7639 18:30:10.906731  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip>

 7640 18:30:10.907061  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip
 7642 18:30:10.928862  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail>

 7643 18:30:10.929211  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail
 7645 18:30:10.953051  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail>

 7646 18:30:10.953390  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail
 7648 18:30:10.976993  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail>

 7649 18:30:10.977279  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail
 7651 18:30:10.998797  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail>

 7652 18:30:10.999100  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail
 7654 18:30:11.019384  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip
 7656 18:30:11.022614  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip>

 7657 18:30:11.042427  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip
 7659 18:30:11.045553  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip>

 7660 18:30:11.065855  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip
 7662 18:30:11.068811  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip>

 7663 18:30:11.090031  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip>

 7664 18:30:11.090310  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip
 7666 18:30:11.116063  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass>

 7667 18:30:11.116347  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass
 7669 18:30:11.141129  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass
 7671 18:30:11.144531  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass>

 7672 18:30:11.171136  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass>

 7673 18:30:11.171408  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass
 7675 18:30:11.197208  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass>

 7676 18:30:11.197495  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass
 7678 18:30:11.218852  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass
 7680 18:30:11.222099  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass>

 7681 18:30:11.247583  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass>

 7682 18:30:11.247879  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass
 7684 18:30:11.267750  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass>

 7685 18:30:11.268014  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass
 7687 18:30:11.295080  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=pass>

 7688 18:30:11.295370  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=pass
 7690 18:30:11.315993  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass
 7692 18:30:11.319276  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass>

 7693 18:30:11.342696  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass>

 7694 18:30:11.342998  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass
 7696 18:30:11.369628  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass>

 7697 18:30:11.369908  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass
 7699 18:30:11.394608  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass
 7701 18:30:11.397325  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass>

 7702 18:30:11.425096  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass>

 7703 18:30:11.425388  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass
 7705 18:30:11.452129  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass>

 7706 18:30:11.452458  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass
 7708 18:30:11.475941  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7709 18:30:11.476215  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7711 18:30:11.502047  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7712 18:30:11.502326  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7714 18:30:11.525161  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass>

 7715 18:30:11.525427  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass
 7717 18:30:11.552698  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass>

 7718 18:30:11.553047  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass
 7720 18:30:11.581746  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass>

 7721 18:30:11.582032  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass
 7723 18:30:11.605235  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass>

 7724 18:30:11.605547  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass
 7726 18:30:11.627492  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass>

 7727 18:30:11.627805  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass
 7729 18:30:11.649873  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass>

 7730 18:30:11.650190  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass
 7732 18:30:11.671955  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass>

 7733 18:30:11.672259  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass
 7735 18:30:11.694108  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass>

 7736 18:30:11.694417  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass
 7738 18:30:11.715816  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass>

 7739 18:30:11.716113  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass
 7741 18:30:11.737665  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass>

 7742 18:30:11.737988  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass
 7744 18:30:11.759244  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass>

 7745 18:30:11.759601  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass
 7747 18:30:11.781384  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass>

 7748 18:30:11.781675  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass
 7750 18:30:11.803904  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass>

 7751 18:30:11.804206  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass
 7753 18:30:11.825893  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip>

 7754 18:30:11.826233  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip
 7756 18:30:11.847984  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip>

 7757 18:30:11.848296  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip
 7759 18:30:11.869974  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail>

 7760 18:30:11.870290  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail
 7762 18:30:11.892899  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail>

 7763 18:30:11.893224  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail
 7765 18:30:11.915584  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail>

 7766 18:30:11.915880  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail
 7768 18:30:11.939269  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail>

 7769 18:30:11.939574  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail
 7771 18:30:11.961265  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail>

 7772 18:30:11.961564  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail
 7774 18:30:11.984487  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail>

 7775 18:30:11.984777  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail
 7777 18:30:12.008721  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail>

 7778 18:30:12.009034  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail
 7780 18:30:12.031407  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail>

 7781 18:30:12.031709  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail
 7783 18:30:12.054696  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail>

 7784 18:30:12.055019  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail
 7786 18:30:12.079754  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail>

 7787 18:30:12.079952  + set +x

 7788 18:30:12.080275  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail
 7790 18:30:12.086030  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 10848609_1.5.2.3.5>

 7791 18:30:12.086281  Received signal: <ENDRUN> 1_kselftest-lkdtm 10848609_1.5.2.3.5
 7792 18:30:12.086355  Ending use of test pattern.
 7793 18:30:12.086419  Ending test lava.1_kselftest-lkdtm (10848609_1.5.2.3.5), duration 41.41
 7795 18:30:12.089175  <LAVA_TEST_RUNNER EXIT>

 7796 18:30:12.089426  ok: lava_test_shell seems to have completed
 7797 18:30:12.090013  lkdtm_ACCESS_NULL_sh: pass
lkdtm_ACCESS_USERSPACE_sh: pass
lkdtm_ATOMIC_TIMING_sh: skip
lkdtm_BUG_sh: pass
lkdtm_CFI_FORWARD_PROTO_sh: fail
lkdtm_CORRUPT_LIST_ADD_sh: fail
lkdtm_CORRUPT_LIST_DEL_sh: fail
lkdtm_CORRUPT_PAC_sh: skip
lkdtm_CORRUPT_STACK_STRONG_sh: skip
lkdtm_CORRUPT_STACK_sh: skip
lkdtm_DOUBLE_FAULT_sh: skip
lkdtm_EXCEPTION_sh: pass
lkdtm_EXEC_DATA_sh: pass
lkdtm_EXEC_KMALLOC_sh: pass
lkdtm_EXEC_NULL_sh: pass
lkdtm_EXEC_RODATA_sh: pass
lkdtm_EXEC_STACK_sh: pass
lkdtm_EXEC_USERSPACE_sh: pass
lkdtm_EXEC_VMALLOC_sh: pass
lkdtm_EXHAUST_STACK_sh: skip
lkdtm_HARDLOCKUP_sh: skip
lkdtm_HUNG_TASK_sh: skip
lkdtm_LOOP_sh: skip
lkdtm_OVERWRITE_ALLOCATION_sh: skip
lkdtm_PANIC_sh: skip
lkdtm_READ_AFTER_FREE_sh: fail
lkdtm_READ_BUDDY_AFTER_FREE_sh: fail
lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh: pass
lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_OVERFLOW_sh: pass
lkdtm_REFCOUNT_ADD_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_ZERO_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_ZERO_sh: pass
lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh: pass
lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_OVERFLOW_sh: pass
lkdtm_REFCOUNT_INC_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_ZERO_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_TIMING_sh: skip
lkdtm_SLAB_FREE_CROSS_sh: fail
lkdtm_SLAB_FREE_DOUBLE_sh: fail
lkdtm_SLAB_FREE_PAGE_sh: fail
lkdtm_SOFTLOCKUP_sh: skip
lkdtm_SPINLOCKUP_sh: skip
lkdtm_STACKLEAK_ERASING_sh: fail
lkdtm_STACK_GUARD_PAGE_LEADING_sh: pass
lkdtm_STACK_GUARD_PAGE_TRAILING_sh: pass
lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh: skip
lkdtm_UNSET_SMEP_sh: pass
lkdtm_USERCOPY_HEAP_SIZE_FROM_sh: fail
lkdtm_USERCOPY_HEAP_SIZE_TO_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh: fail
lkdtm_USERCOPY_KERNEL_sh: fail
lkdtm_USERCOPY_STACK_BEYOND_sh: fail
lkdtm_USERCOPY_STACK_FRAME_FROM_sh: fail
lkdtm_USERCOPY_STACK_FRAME_TO_sh: fail
lkdtm_WARNING_MESSAGE_sh: pass
lkdtm_WARNING_sh: pass
lkdtm_WRITE_AFTER_FREE_sh: skip
lkdtm_WRITE_BUDDY_AFTER_FREE_sh: skip
lkdtm_WRITE_KERN_sh: pass
lkdtm_WRITE_RO_AFTER_INIT_sh: pass
lkdtm_WRITE_RO_sh: pass

 7798 18:30:12.090155  end: 3.1 lava-test-shell (duration 00:00:42) [common]
 7799 18:30:12.090244  end: 3 lava-test-retry (duration 00:00:42) [common]
 7800 18:30:12.090333  start: 4 finalize (timeout 00:08:00) [common]
 7801 18:30:12.090425  start: 4.1 power-off (timeout 00:00:30) [common]
 7802 18:30:12.090577  Calling: 'pduclient' '--daemon=localhost' '--hostname=asus-C433TA-AJ0005-rammus-cbg-0' '--port=1' '--command=off'
 7803 18:30:12.165606  >> Command sent successfully.

 7804 18:30:12.167906  Returned 0 in 0 seconds
 7805 18:30:12.268276  end: 4.1 power-off (duration 00:00:00) [common]
 7807 18:30:12.268624  start: 4.2 read-feedback (timeout 00:08:00) [common]
 7808 18:30:12.268932  Listened to connection for namespace 'common' for up to 1s
 7809 18:30:12.269215  Listened to connection for namespace 'common' for up to 1s
 7810 18:30:13.268902  Finalising connection for namespace 'common'
 7811 18:30:13.269072  Disconnecting from shell: Finalise
 7812 18:30:13.269153  / # 
 7813 18:30:13.369475  end: 4.2 read-feedback (duration 00:00:01) [common]
 7814 18:30:13.369673  end: 4 finalize (duration 00:00:01) [common]
 7815 18:30:13.369783  Cleaning after the job
 7816 18:30:13.369877  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10848609/tftp-deploy-jr8zlqie/ramdisk
 7817 18:30:13.371222  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10848609/tftp-deploy-jr8zlqie/kernel
 7818 18:30:13.373010  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10848609/tftp-deploy-jr8zlqie/nfsrootfs
 7819 18:30:13.441414  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10848609/tftp-deploy-jr8zlqie/modules
 7820 18:30:13.443982  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/10848609
 7821 18:30:13.996371  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/10848609
 7822 18:30:13.996546  Job finished correctly