Boot log: asus-C433TA-AJ0005-rammus

    1 16:20:23.382926  lava-dispatcher, installed at version: 2023.08
    2 16:20:23.383144  start: 0 validate
    3 16:20:23.383275  Start time: 2023-11-02 16:20:23.383267+00:00 (UTC)
    4 16:20:23.383399  Using caching service: 'http://localhost/cache/?uri=%s'
    5 16:20:23.383534  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230623.0%2Famd64%2Finitrd.cpio.gz exists
    6 16:20:23.641501  Using caching service: 'http://localhost/cache/?uri=%s'
    7 16:20:23.641665  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.194-cip39-915-g96fa7f16cf02%2Fx86_64%2Fx86_64_defconfig%2Bx86-board%2Bkselftest%2Fgcc-10%2Fkernel%2FbzImage exists
    8 16:20:23.642770  Using caching service: 'http://localhost/cache/?uri=%s'
    9 16:20:23.642901  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230623.0%2Famd64%2Ffull.rootfs.tar.xz exists
   10 16:20:23.899781  Using caching service: 'http://localhost/cache/?uri=%s'
   11 16:20:23.899949  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.194-cip39-915-g96fa7f16cf02%2Fx86_64%2Fx86_64_defconfig%2Bx86-board%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   12 16:20:24.157987  validate duration: 0.77
   14 16:20:24.158311  start: 1 tftp-deploy (timeout 00:10:00) [common]
   15 16:20:24.158443  start: 1.1 download-retry (timeout 00:10:00) [common]
   16 16:20:24.158529  start: 1.1.1 http-download (timeout 00:10:00) [common]
   17 16:20:24.158650  Not decompressing ramdisk as can be used compressed.
   18 16:20:24.158738  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230623.0/amd64/initrd.cpio.gz
   19 16:20:24.158801  saving as /var/lib/lava/dispatcher/tmp/11931942/tftp-deploy-5lhhctw5/ramdisk/initrd.cpio.gz
   20 16:20:24.158864  total size: 5432480 (5 MB)
   21 16:20:24.159955  progress   0 % (0 MB)
   22 16:20:24.161552  progress   5 % (0 MB)
   23 16:20:24.163045  progress  10 % (0 MB)
   24 16:20:24.164526  progress  15 % (0 MB)
   25 16:20:24.166149  progress  20 % (1 MB)
   26 16:20:24.167591  progress  25 % (1 MB)
   27 16:20:24.169028  progress  30 % (1 MB)
   28 16:20:24.170661  progress  35 % (1 MB)
   29 16:20:24.172103  progress  40 % (2 MB)
   30 16:20:24.173525  progress  45 % (2 MB)
   31 16:20:24.174976  progress  50 % (2 MB)
   32 16:20:24.176602  progress  55 % (2 MB)
   33 16:20:24.178050  progress  60 % (3 MB)
   34 16:20:24.179472  progress  65 % (3 MB)
   35 16:20:24.181134  progress  70 % (3 MB)
   36 16:20:24.182693  progress  75 % (3 MB)
   37 16:20:24.184202  progress  80 % (4 MB)
   38 16:20:24.185709  progress  85 % (4 MB)
   39 16:20:24.187493  progress  90 % (4 MB)
   40 16:20:24.189048  progress  95 % (4 MB)
   41 16:20:24.190597  progress 100 % (5 MB)
   42 16:20:24.190844  5 MB downloaded in 0.03 s (162.01 MB/s)
   43 16:20:24.191050  end: 1.1.1 http-download (duration 00:00:00) [common]
   45 16:20:24.191310  end: 1.1 download-retry (duration 00:00:00) [common]
   46 16:20:24.191397  start: 1.2 download-retry (timeout 00:10:00) [common]
   47 16:20:24.191485  start: 1.2.1 http-download (timeout 00:10:00) [common]
   48 16:20:24.191633  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.194-cip39-915-g96fa7f16cf02/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kernel/bzImage
   49 16:20:24.191719  saving as /var/lib/lava/dispatcher/tmp/11931942/tftp-deploy-5lhhctw5/kernel/bzImage
   50 16:20:24.191784  total size: 17277440 (16 MB)
   51 16:20:24.191847  No compression specified
   52 16:20:24.193032  progress   0 % (0 MB)
   53 16:20:24.197838  progress   5 % (0 MB)
   54 16:20:24.202522  progress  10 % (1 MB)
   55 16:20:24.207415  progress  15 % (2 MB)
   56 16:20:24.212124  progress  20 % (3 MB)
   57 16:20:24.216847  progress  25 % (4 MB)
   58 16:20:24.221789  progress  30 % (4 MB)
   59 16:20:24.226523  progress  35 % (5 MB)
   60 16:20:24.231296  progress  40 % (6 MB)
   61 16:20:24.236308  progress  45 % (7 MB)
   62 16:20:24.241038  progress  50 % (8 MB)
   63 16:20:24.245699  progress  55 % (9 MB)
   64 16:20:24.250492  progress  60 % (9 MB)
   65 16:20:24.255117  progress  65 % (10 MB)
   66 16:20:24.259955  progress  70 % (11 MB)
   67 16:20:24.264539  progress  75 % (12 MB)
   68 16:20:24.269030  progress  80 % (13 MB)
   69 16:20:24.273687  progress  85 % (14 MB)
   70 16:20:24.278202  progress  90 % (14 MB)
   71 16:20:24.282713  progress  95 % (15 MB)
   72 16:20:24.287439  progress 100 % (16 MB)
   73 16:20:24.287626  16 MB downloaded in 0.10 s (171.93 MB/s)
   74 16:20:24.287791  end: 1.2.1 http-download (duration 00:00:00) [common]
   76 16:20:24.288024  end: 1.2 download-retry (duration 00:00:00) [common]
   77 16:20:24.288111  start: 1.3 download-retry (timeout 00:10:00) [common]
   78 16:20:24.288195  start: 1.3.1 http-download (timeout 00:10:00) [common]
   79 16:20:24.288335  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230623.0/amd64/full.rootfs.tar.xz
   80 16:20:24.288403  saving as /var/lib/lava/dispatcher/tmp/11931942/tftp-deploy-5lhhctw5/nfsrootfs/full.rootfs.tar
   81 16:20:24.288470  total size: 207157356 (197 MB)
   82 16:20:24.288534  Using unxz to decompress xz
   83 16:20:24.293955  progress   0 % (0 MB)
   84 16:20:24.873408  progress   5 % (9 MB)
   85 16:20:25.450932  progress  10 % (19 MB)
   86 16:20:26.065864  progress  15 % (29 MB)
   87 16:20:26.436792  progress  20 % (39 MB)
   88 16:20:26.801779  progress  25 % (49 MB)
   89 16:20:27.413071  progress  30 % (59 MB)
   90 16:20:27.976585  progress  35 % (69 MB)
   91 16:20:28.601176  progress  40 % (79 MB)
   92 16:20:29.165361  progress  45 % (88 MB)
   93 16:20:29.752438  progress  50 % (98 MB)
   94 16:20:30.393770  progress  55 % (108 MB)
   95 16:20:31.134610  progress  60 % (118 MB)
   96 16:20:31.278902  progress  65 % (128 MB)
   97 16:20:31.426625  progress  70 % (138 MB)
   98 16:20:31.524542  progress  75 % (148 MB)
   99 16:20:31.598226  progress  80 % (158 MB)
  100 16:20:31.669822  progress  85 % (167 MB)
  101 16:20:31.781153  progress  90 % (177 MB)
  102 16:20:32.076189  progress  95 % (187 MB)
  103 16:20:32.692436  progress 100 % (197 MB)
  104 16:20:32.698774  197 MB downloaded in 8.41 s (23.49 MB/s)
  105 16:20:32.699046  end: 1.3.1 http-download (duration 00:00:08) [common]
  107 16:20:32.699349  end: 1.3 download-retry (duration 00:00:08) [common]
  108 16:20:32.699481  start: 1.4 download-retry (timeout 00:09:51) [common]
  109 16:20:32.699612  start: 1.4.1 http-download (timeout 00:09:51) [common]
  110 16:20:32.699822  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.194-cip39-915-g96fa7f16cf02/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/modules.tar.xz
  111 16:20:32.699924  saving as /var/lib/lava/dispatcher/tmp/11931942/tftp-deploy-5lhhctw5/modules/modules.tar
  112 16:20:32.700008  total size: 3316324 (3 MB)
  113 16:20:32.700092  Using unxz to decompress xz
  114 16:20:32.704732  progress   0 % (0 MB)
  115 16:20:32.710777  progress   5 % (0 MB)
  116 16:20:32.719179  progress  10 % (0 MB)
  117 16:20:32.727371  progress  15 % (0 MB)
  118 16:20:32.738879  progress  20 % (0 MB)
  119 16:20:32.750940  progress  25 % (0 MB)
  120 16:20:32.760485  progress  30 % (0 MB)
  121 16:20:32.772711  progress  35 % (1 MB)
  122 16:20:32.784320  progress  40 % (1 MB)
  123 16:20:32.794499  progress  45 % (1 MB)
  124 16:20:32.804368  progress  50 % (1 MB)
  125 16:20:32.814168  progress  55 % (1 MB)
  126 16:20:32.826401  progress  60 % (1 MB)
  127 16:20:32.836320  progress  65 % (2 MB)
  128 16:20:32.846226  progress  70 % (2 MB)
  129 16:20:32.856103  progress  75 % (2 MB)
  130 16:20:32.866297  progress  80 % (2 MB)
  131 16:20:32.878325  progress  85 % (2 MB)
  132 16:20:32.888532  progress  90 % (2 MB)
  133 16:20:32.898922  progress  95 % (3 MB)
  134 16:20:32.909630  progress 100 % (3 MB)
  135 16:20:32.914823  3 MB downloaded in 0.21 s (14.72 MB/s)
  136 16:20:32.915136  end: 1.4.1 http-download (duration 00:00:00) [common]
  138 16:20:32.915526  end: 1.4 download-retry (duration 00:00:00) [common]
  139 16:20:32.915682  start: 1.5 prepare-tftp-overlay (timeout 00:09:51) [common]
  140 16:20:32.915798  start: 1.5.1 extract-nfsrootfs (timeout 00:09:51) [common]
  141 16:20:36.547797  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/11931942/extract-nfsrootfs-zrwzly19
  142 16:20:36.548027  end: 1.5.1 extract-nfsrootfs (duration 00:00:04) [common]
  143 16:20:36.548158  start: 1.5.2 lava-overlay (timeout 00:09:48) [common]
  144 16:20:36.548323  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7
  145 16:20:36.548455  makedir: /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin
  146 16:20:36.548555  makedir: /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/tests
  147 16:20:36.548700  makedir: /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/results
  148 16:20:36.548814  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-add-keys
  149 16:20:36.548958  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-add-sources
  150 16:20:36.549132  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-background-process-start
  151 16:20:36.549259  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-background-process-stop
  152 16:20:36.549386  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-common-functions
  153 16:20:36.549510  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-echo-ipv4
  154 16:20:36.549635  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-install-packages
  155 16:20:36.549818  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-installed-packages
  156 16:20:36.549940  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-os-build
  157 16:20:36.550063  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-probe-channel
  158 16:20:36.550187  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-probe-ip
  159 16:20:36.550311  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-target-ip
  160 16:20:36.550435  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-target-mac
  161 16:20:36.550559  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-target-storage
  162 16:20:36.550685  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-test-case
  163 16:20:36.550827  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-test-event
  164 16:20:36.550963  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-test-feedback
  165 16:20:36.551088  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-test-raise
  166 16:20:36.551256  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-test-reference
  167 16:20:36.551382  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-test-runner
  168 16:20:36.551507  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-test-set
  169 16:20:36.551633  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-test-shell
  170 16:20:36.551814  Updating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-add-keys (debian)
  171 16:20:36.551964  Updating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-add-sources (debian)
  172 16:20:36.552125  Updating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-install-packages (debian)
  173 16:20:36.552281  Updating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-installed-packages (debian)
  174 16:20:36.552433  Updating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/bin/lava-os-build (debian)
  175 16:20:36.552575  Creating /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/environment
  176 16:20:36.552704  LAVA metadata
  177 16:20:36.552804  - LAVA_JOB_ID=11931942
  178 16:20:36.552895  - LAVA_DISPATCHER_IP=192.168.201.1
  179 16:20:36.553032  start: 1.5.2.1 lava-vland-overlay (timeout 00:09:48) [common]
  180 16:20:36.553127  skipped lava-vland-overlay
  181 16:20:36.553234  end: 1.5.2.1 lava-vland-overlay (duration 00:00:00) [common]
  182 16:20:36.553345  start: 1.5.2.2 lava-multinode-overlay (timeout 00:09:48) [common]
  183 16:20:36.553434  skipped lava-multinode-overlay
  184 16:20:36.553536  end: 1.5.2.2 lava-multinode-overlay (duration 00:00:00) [common]
  185 16:20:36.553642  start: 1.5.2.3 test-definition (timeout 00:09:48) [common]
  186 16:20:36.553744  Loading test definitions
  187 16:20:36.553836  start: 1.5.2.3.1 inline-repo-action (timeout 00:09:48) [common]
  188 16:20:36.553908  Using /lava-11931942 at stage 0
  189 16:20:36.554186  uuid=11931942_1.5.2.3.1 testdef=None
  190 16:20:36.554279  end: 1.5.2.3.1 inline-repo-action (duration 00:00:00) [common]
  191 16:20:36.554365  start: 1.5.2.3.2 test-overlay (timeout 00:09:48) [common]
  192 16:20:36.554832  end: 1.5.2.3.2 test-overlay (duration 00:00:00) [common]
  194 16:20:36.555050  start: 1.5.2.3.3 test-install-overlay (timeout 00:09:48) [common]
  195 16:20:36.555926  end: 1.5.2.3.3 test-install-overlay (duration 00:00:00) [common]
  197 16:20:36.556286  start: 1.5.2.3.4 test-runscript-overlay (timeout 00:09:48) [common]
  198 16:20:36.557028  runner path: /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/0/tests/0_timesync-off test_uuid 11931942_1.5.2.3.1
  199 16:20:36.557278  end: 1.5.2.3.4 test-runscript-overlay (duration 00:00:00) [common]
  201 16:20:36.557629  start: 1.5.2.3.5 git-repo-action (timeout 00:09:48) [common]
  202 16:20:36.557729  Using /lava-11931942 at stage 0
  203 16:20:36.557865  Fetching tests from https://github.com/kernelci/test-definitions.git
  204 16:20:36.557969  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/0/tests/1_kselftest-lkdtm'
  205 16:20:40.248107  Running '/usr/bin/git checkout kernelci.org
  206 16:20:40.396531  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  207 16:20:40.397281  uuid=11931942_1.5.2.3.5 testdef=None
  208 16:20:40.397445  end: 1.5.2.3.5 git-repo-action (duration 00:00:04) [common]
  210 16:20:40.397694  start: 1.5.2.3.6 test-overlay (timeout 00:09:44) [common]
  211 16:20:40.398460  end: 1.5.2.3.6 test-overlay (duration 00:00:00) [common]
  213 16:20:40.398698  start: 1.5.2.3.7 test-install-overlay (timeout 00:09:44) [common]
  214 16:20:40.399716  end: 1.5.2.3.7 test-install-overlay (duration 00:00:00) [common]
  216 16:20:40.399948  start: 1.5.2.3.8 test-runscript-overlay (timeout 00:09:44) [common]
  217 16:20:40.400874  runner path: /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/0/tests/1_kselftest-lkdtm test_uuid 11931942_1.5.2.3.5
  218 16:20:40.400966  BOARD='asus-C433TA-AJ0005-rammus'
  219 16:20:40.401030  BRANCH='cip-gitlab'
  220 16:20:40.401090  SKIPFILE='/dev/null'
  221 16:20:40.401147  SKIP_INSTALL='True'
  222 16:20:40.401201  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.194-cip39-915-g96fa7f16cf02/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz'
  223 16:20:40.401257  TST_CASENAME=''
  224 16:20:40.401311  TST_CMDFILES='lkdtm'
  225 16:20:40.401450  end: 1.5.2.3.8 test-runscript-overlay (duration 00:00:00) [common]
  227 16:20:40.401647  Creating lava-test-runner.conf files
  228 16:20:40.401710  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/11931942/lava-overlay-9lsygig7/lava-11931942/0 for stage 0
  229 16:20:40.401800  - 0_timesync-off
  230 16:20:40.401872  - 1_kselftest-lkdtm
  231 16:20:40.401968  end: 1.5.2.3 test-definition (duration 00:00:04) [common]
  232 16:20:40.402053  start: 1.5.2.4 compress-overlay (timeout 00:09:44) [common]
  233 16:20:47.950124  end: 1.5.2.4 compress-overlay (duration 00:00:08) [common]
  234 16:20:47.950409  start: 1.5.2.5 persistent-nfs-overlay (timeout 00:09:36) [common]
  235 16:20:47.950543  end: 1.5.2.5 persistent-nfs-overlay (duration 00:00:00) [common]
  236 16:20:47.950686  end: 1.5.2 lava-overlay (duration 00:00:11) [common]
  237 16:20:47.950813  start: 1.5.3 extract-overlay-ramdisk (timeout 00:09:36) [common]
  238 16:20:48.095870  end: 1.5.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  239 16:20:48.096256  start: 1.5.4 extract-modules (timeout 00:09:36) [common]
  240 16:20:48.096373  extracting modules file /var/lib/lava/dispatcher/tmp/11931942/tftp-deploy-5lhhctw5/modules/modules.tar to /var/lib/lava/dispatcher/tmp/11931942/extract-nfsrootfs-zrwzly19
  241 16:20:48.184023  extracting modules file /var/lib/lava/dispatcher/tmp/11931942/tftp-deploy-5lhhctw5/modules/modules.tar to /var/lib/lava/dispatcher/tmp/11931942/extract-overlay-ramdisk-ra8j59tc/ramdisk
  242 16:20:48.273718  end: 1.5.4 extract-modules (duration 00:00:00) [common]
  243 16:20:48.273869  start: 1.5.5 apply-overlay-tftp (timeout 00:09:36) [common]
  244 16:20:48.273963  [common] Applying overlay to NFS
  245 16:20:48.274033  [common] Applying overlay /var/lib/lava/dispatcher/tmp/11931942/compress-overlay-_m_uz7hq/overlay-1.5.2.4.tar.gz to directory /var/lib/lava/dispatcher/tmp/11931942/extract-nfsrootfs-zrwzly19
  246 16:20:49.210616  end: 1.5.5 apply-overlay-tftp (duration 00:00:01) [common]
  247 16:20:49.210776  start: 1.5.6 configure-preseed-file (timeout 00:09:35) [common]
  248 16:20:49.210869  end: 1.5.6 configure-preseed-file (duration 00:00:00) [common]
  249 16:20:49.210958  start: 1.5.7 compress-ramdisk (timeout 00:09:35) [common]
  250 16:20:49.211037  Building ramdisk /var/lib/lava/dispatcher/tmp/11931942/extract-overlay-ramdisk-ra8j59tc/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/11931942/extract-overlay-ramdisk-ra8j59tc/ramdisk
  251 16:20:49.405229  >> 67825 blocks

  252 16:20:50.558941  rename /var/lib/lava/dispatcher/tmp/11931942/extract-overlay-ramdisk-ra8j59tc/ramdisk.cpio.gz to /var/lib/lava/dispatcher/tmp/11931942/tftp-deploy-5lhhctw5/ramdisk/ramdisk.cpio.gz
  253 16:20:50.559384  end: 1.5.7 compress-ramdisk (duration 00:00:01) [common]
  254 16:20:50.559505  start: 1.5.8 prepare-kernel (timeout 00:09:34) [common]
  255 16:20:50.559608  start: 1.5.8.1 prepare-fit (timeout 00:09:34) [common]
  256 16:20:50.559740  No mkimage arch provided, not using FIT.
  257 16:20:50.559829  end: 1.5.8.1 prepare-fit (duration 00:00:00) [common]
  258 16:20:50.559907  end: 1.5.8 prepare-kernel (duration 00:00:00) [common]
  259 16:20:50.560008  end: 1.5 prepare-tftp-overlay (duration 00:00:18) [common]
  260 16:20:50.560103  start: 1.6 lxc-create-udev-rule-action (timeout 00:09:34) [common]
  261 16:20:50.560182  No LXC device requested
  262 16:20:50.560258  end: 1.6 lxc-create-udev-rule-action (duration 00:00:00) [common]
  263 16:20:50.560343  start: 1.7 deploy-device-env (timeout 00:09:34) [common]
  264 16:20:50.560424  end: 1.7 deploy-device-env (duration 00:00:00) [common]
  265 16:20:50.560499  Checking files for TFTP limit of 4294967296 bytes.
  266 16:20:50.560916  end: 1 tftp-deploy (duration 00:00:26) [common]
  267 16:20:50.561017  start: 2 depthcharge-action (timeout 00:05:00) [common]
  268 16:20:50.561107  start: 2.1 depthcharge-overlay (timeout 00:05:00) [common]
  269 16:20:50.561231  substitutions:
  270 16:20:50.561297  - {DTB}: None
  271 16:20:50.561358  - {INITRD}: 11931942/tftp-deploy-5lhhctw5/ramdisk/ramdisk.cpio.gz
  272 16:20:50.561415  - {KERNEL}: 11931942/tftp-deploy-5lhhctw5/kernel/bzImage
  273 16:20:50.561471  - {LAVA_MAC}: None
  274 16:20:50.561525  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/11931942/extract-nfsrootfs-zrwzly19
  275 16:20:50.561580  - {NFS_SERVER_IP}: 192.168.201.1
  276 16:20:50.561633  - {PRESEED_CONFIG}: None
  277 16:20:50.561686  - {PRESEED_LOCAL}: None
  278 16:20:50.561738  - {RAMDISK}: 11931942/tftp-deploy-5lhhctw5/ramdisk/ramdisk.cpio.gz
  279 16:20:50.561790  - {ROOT_PART}: None
  280 16:20:50.561842  - {ROOT}: None
  281 16:20:50.561894  - {SERVER_IP}: 192.168.201.1
  282 16:20:50.561946  - {TEE}: None
  283 16:20:50.561997  Parsed boot commands:
  284 16:20:50.562047  - tftpboot 192.168.201.1 {DEPTHCHARGE_KERNEL} {CMDLINE} {DEPTHCHARGE_RAMDISK}
  285 16:20:50.562224  Parsed boot commands: tftpboot 192.168.201.1 11931942/tftp-deploy-5lhhctw5/kernel/bzImage 11931942/tftp-deploy-5lhhctw5/kernel/cmdline 11931942/tftp-deploy-5lhhctw5/ramdisk/ramdisk.cpio.gz
  286 16:20:50.562312  end: 2.1 depthcharge-overlay (duration 00:00:00) [common]
  287 16:20:50.562396  start: 2.2 depthcharge-retry (timeout 00:05:00) [common]
  288 16:20:50.562487  start: 2.2.1 reset-connection (timeout 00:05:00) [common]
  289 16:20:50.562569  start: 2.2.1.1 disconnect-device (timeout 00:05:00) [common]
  290 16:20:50.562640  Not connected, no need to disconnect.
  291 16:20:50.562712  end: 2.2.1.1 disconnect-device (duration 00:00:00) [common]
  292 16:20:50.562790  start: 2.2.1.2 connect-device (timeout 00:05:00) [common]
  293 16:20:50.562854  [common] connect-device Connecting to device using '/usr/local/bin/chromebook-console.sh asus-C433TA-AJ0005-rammus-cbg-0'
  294 16:20:50.567055  Setting prompt string to ['lava-test: # ']
  295 16:20:50.567412  end: 2.2.1.2 connect-device (duration 00:00:00) [common]
  296 16:20:50.567520  end: 2.2.1 reset-connection (duration 00:00:00) [common]
  297 16:20:50.567621  start: 2.2.2 reset-device (timeout 00:05:00) [common]
  298 16:20:50.567770  start: 2.2.2.1 pdu-reboot (timeout 00:05:00) [common]
  299 16:20:50.567995  Calling: 'pduclient' '--daemon=localhost' '--hostname=asus-C433TA-AJ0005-rammus-cbg-0' '--port=1' '--command=reboot'
  300 16:20:55.706930  >> Command sent successfully.

  301 16:20:55.709458  Returned 0 in 5 seconds
  302 16:20:55.809875  end: 2.2.2.1 pdu-reboot (duration 00:00:05) [common]
  304 16:20:55.810211  end: 2.2.2 reset-device (duration 00:00:05) [common]
  305 16:20:55.810313  start: 2.2.3 depthcharge-start (timeout 00:04:55) [common]
  306 16:20:55.810404  Setting prompt string to 'Starting depthcharge on rammus...'
  307 16:20:55.810496  Changing prompt to 'Starting depthcharge on rammus...'
  308 16:20:55.810620  depthcharge-start: Wait for prompt Starting depthcharge on rammus... (timeout 00:05:00)
  309 16:20:55.811003  [Enter `^Ec?' for help]

  310 16:20:56.365803  

  311 16:20:56.366017  

  312 16:20:56.366321  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 bootblock starting...

  313 16:20:56.366440  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz

  314 16:20:56.366539  CPU: ID 806e9, Kabylake H0, ucode: 00000097

  315 16:20:56.366636  CPU: AES supported, TXT NOT supported, VT supported

  316 16:20:56.366721  MCH: device id 590c (rev 02) is Kabylake-Y

  317 16:20:56.366840  PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium

  318 16:20:56.369819  IGD: device id 591c (rev 02) is Amberlake ULX GT2

  319 16:20:56.369939  VBOOT: Loading verstage.

  320 16:20:56.373468  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  321 16:20:56.376301  CBFS: Locating 'fallback/verstage'

  322 16:20:56.379544  CBFS: Found @ offset 1a0a80 size f47c

  323 16:20:56.392999  

  324 16:20:56.393130  

  325 16:20:56.399458  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 verstage starting...

  326 16:20:56.415814  Probing TPM: . done!

  327 16:20:56.419071  TPM ready after 0 ms

  328 16:20:56.422687  Connected to device vid:did:rid of 1ae0:0028:00

  329 16:20:56.432771  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373

  330 16:20:56.436513  Initialized TPM device CR50 revision 0

  331 16:20:56.483425  tlcl_send_startup: Startup return code is 0

  332 16:20:56.483559  TPM: setup succeeded

  333 16:20:56.496088  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0

  334 16:20:56.499812  Chrome EC: UHEPI supported

  335 16:20:56.503808  Phase 1

  336 16:20:56.507126  FMAP: Found "FLASH" version 1.1 at c10000.

  337 16:20:56.513497  FMAP: base = ff000000 size = 1000000 #areas = 33

  338 16:20:56.516688  FMAP: area GBB found @ c11000 (978944 bytes)

  339 16:20:56.523664  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0

  340 16:20:56.523811  Phase 2

  341 16:20:56.526986  Phase 3

  342 16:20:56.529997  FMAP: area GBB found @ c11000 (978944 bytes)

  343 16:20:56.536391  VB2:vb2_report_dev_firmware() This is developer signed firmware

  344 16:20:56.543231  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  345 16:20:56.546349  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  346 16:20:56.553397  VB2:vb2_verify_keyblock() Checking key block signature...

  347 16:20:56.573912  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  348 16:20:56.576816  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  349 16:20:56.583924  VB2:vb2_verify_fw_preamble() Verifying preamble.

  350 16:20:56.589683  Phase 4

  351 16:20:56.593091  FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes)

  352 16:20:56.599193  VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW

  353 16:20:56.859516  VB2:vb2_rsa_verify_digest() Digest check failed!

  354 16:20:56.862666  VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7

  355 16:20:56.865684  Saving nvdata

  356 16:20:56.868946  Reboot requested (10020007)

  357 16:20:56.872163  board_reset() called!

  358 16:20:56.872245  full_reset() called!

  359 16:21:01.342754  

  360 16:21:01.342902  

  361 16:21:01.349216  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 bootblock starting...

  362 16:21:01.355663  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz

  363 16:21:01.358809  CPU: ID 806e9, Kabylake H0, ucode: 00000097

  364 16:21:01.365786  CPU: AES supported, TXT NOT supported, VT supported

  365 16:21:01.368832  MCH: device id 590c (rev 02) is Kabylake-Y

  366 16:21:01.375417  PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium

  367 16:21:01.378963  IGD: device id 591c (rev 02) is Amberlake ULX GT2

  368 16:21:01.382224  VBOOT: Loading verstage.

  369 16:21:01.388532  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  370 16:21:01.391965  CBFS: Locating 'fallback/verstage'

  371 16:21:01.395343  CBFS: Found @ offset 1a0a80 size f47c

  372 16:21:01.409269  

  373 16:21:01.409350  

  374 16:21:01.415869  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 verstage starting...

  375 16:21:01.431936  Probing TPM: . done!

  376 16:21:01.435891  TPM ready after 0 ms

  377 16:21:01.439080  Connected to device vid:did:rid of 1ae0:0028:00

  378 16:21:01.449240  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373

  379 16:21:01.452469  Initialized TPM device CR50 revision 0

  380 16:21:01.500149  tlcl_send_startup: Startup return code is 0

  381 16:21:01.500238  TPM: setup succeeded

  382 16:21:01.512556  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0

  383 16:21:01.517053  Chrome EC: UHEPI supported

  384 16:21:01.520277  Phase 1

  385 16:21:01.523577  FMAP: Found "FLASH" version 1.1 at c10000.

  386 16:21:01.530143  FMAP: base = ff000000 size = 1000000 #areas = 33

  387 16:21:01.533134  FMAP: area GBB found @ c11000 (978944 bytes)

  388 16:21:01.540330  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7

  389 16:21:01.546840  VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0

  390 16:21:01.550012  Recovery requested (1009000e)

  391 16:21:01.550085  Saving nvdata

  392 16:21:01.560933  tlcl_extend: response is 0

  393 16:21:01.569900  tlcl_extend: response is 0

  394 16:21:01.576304  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  395 16:21:01.579560  CBFS: Locating 'fallback/romstage'

  396 16:21:01.582490  CBFS: Found @ offset 80 size 10ffc

  397 16:21:01.586712  

  398 16:21:01.586792  

  399 16:21:01.593055  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 romstage starting...

  400 16:21:01.600555  pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00

  401 16:21:01.603561  gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000

  402 16:21:01.607066  gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000

  403 16:21:01.613665  gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000

  404 16:21:01.616989  gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000

  405 16:21:01.620784  TCO_STS:   0000 0000

  406 16:21:01.623732  GEN_PMCON: e0040200 0000523a

  407 16:21:01.626876  GBLRST_CAUSE: 00000000 00000000

  408 16:21:01.626957  prev_sleep_state 5

  409 16:21:01.630558  Boot Count incremented to 67524

  410 16:21:01.636758  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  411 16:21:01.640210  CBFS: Locating 'fspm.bin'

  412 16:21:01.643163  CBFS: Found @ offset 103fc0 size 63000

  413 16:21:01.646658  Chrome EC: UHEPI supported

  414 16:21:01.654346  FMAP: Found "FLASH" version 1.1 at c10000.

  415 16:21:01.657504  FMAP: base = ff000000 size = 1000000 #areas = 33

  416 16:21:01.664459  FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes)

  417 16:21:01.668999  Probing TPM:  done!

  418 16:21:01.675348  Connected to device vid:did:rid of 1ae0:0028:00

  419 16:21:01.685021  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373

  420 16:21:01.691307  Initialized TPM device CR50 revision 0

  421 16:21:01.699988  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  422 16:21:01.706986  MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE

  423 16:21:01.709992  MRC cache found, size 1868

  424 16:21:01.713124  bootmode is set to :2

  425 16:21:01.713198  SPD index 1

  426 16:21:01.720268  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  427 16:21:01.723269  CBFS: Locating 'spd.bin'

  428 16:21:01.726628  CBFS: Found @ offset 1a0240 size 800

  429 16:21:01.729801  SPD: module type is LPDDR3

  430 16:21:01.733042  SPD: module part is K4E8E324EB-EGCF   

  431 16:21:01.740043  SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb

  432 16:21:01.743193  SPD: device width 32 bits, bus width 64 bits

  433 16:21:01.749572  SPD: module size is 2048 MB (per channel)

  434 16:21:01.859029  CBMEM:

  435 16:21:01.862192  IMD: root @ 7afff000 254 entries.

  436 16:21:01.865933  IMD: root @ 7affec00 62 entries.

  437 16:21:01.869202  External stage cache:

  438 16:21:01.872394  IMD: root @ 7b3ff000 254 entries.

  439 16:21:01.875563  IMD: root @ 7b3fec00 62 entries.

  440 16:21:01.879435  creating vboot_handoff structure

  441 16:21:01.885737  Chrome EC: clear events_b mask to 0x0000000021004000

  442 16:21:01.899112  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  443 16:21:01.912199  tlcl_write: response is 0

  444 16:21:01.920921  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  445 16:21:01.928221  MRC: TPM MRC hash updated successfully.

  446 16:21:01.928328  2 DIMMs found

  447 16:21:01.931408  top_of_ram = 0x7b000000

  448 16:21:01.937721  MTRR Range: Start=7a000000 End=7b000000 (Size 1000000)

  449 16:21:01.940867  MTRR Range: Start=7b000000 End=7b800000 (Size 800000)

  450 16:21:01.947799  MTRR Range: Start=ff000000 End=0 (Size 1000000)

  451 16:21:01.950902  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  452 16:21:01.954633  CBFS: Locating 'fallback/postcar'

  453 16:21:01.960855  CBFS: Found @ offset 197000 size 3f04

  454 16:21:01.967199  Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes)

  455 16:21:01.977286  Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90

  456 16:21:01.980493  Processing 118 relocs. Offset value of 0x78bd1000

  457 16:21:01.986495  

  458 16:21:01.986576  

  459 16:21:01.993352  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 postcar starting...

  460 16:21:01.999911  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  461 16:21:02.002909  CBFS: Locating 'fallback/ramstage'

  462 16:21:02.009246  CBFS: Found @ offset e8d80 size 1a462

  463 16:21:02.012965  Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes)

  464 16:21:02.052347  Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78

  465 16:21:02.055493  Processing 3657 relocs. Offset value of 0x79d06000

  466 16:21:02.058856  

  467 16:21:02.058938  

  468 16:21:02.065291  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 ramstage starting...

  469 16:21:02.071804  FMAP: Found "FLASH" version 1.1 at c10000.

  470 16:21:02.075580  FMAP: base = ff000000 size = 1000000 #areas = 33

  471 16:21:02.082064  FMAP: area RO_VPD found @ c00000 (16384 bytes)

  472 16:21:02.085192  WARNING: RO_VPD is uninitialized or empty.

  473 16:21:02.089117  FMAP: area RW_VPD found @ 9f8000 (8192 bytes)

  474 16:21:02.095605  FMAP: area RW_VPD found @ 9f8000 (8192 bytes)

  475 16:21:02.095716  Normal boot.

  476 16:21:02.102036  BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0

  477 16:21:02.108831  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  478 16:21:02.112126  CBFS: Locating 'cpu_microcode_blob.bin'

  479 16:21:02.115417  CBFS: Found @ offset 11100 size d7c00

  480 16:21:02.118634  microcode: sig=0x806e9 pf=0x10 revision=0x97

  481 16:21:02.121948  Skip microcode update

  482 16:21:02.128349  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  483 16:21:02.131415  CBFS: Locating 'fsps.bin'

  484 16:21:02.135125  CBFS: Found @ offset 167fc0 size 2f000

  485 16:21:02.159778  Detected 2 core, 4 thread CPU.

  486 16:21:02.163582  Setting up SMI for CPU

  487 16:21:02.166734  IED base = 0x7b400000

  488 16:21:02.166815  IED size = 0x00400000

  489 16:21:02.169846  Will perform SMM setup.

  490 16:21:02.176350  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz.

  491 16:21:02.183240  Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170

  492 16:21:02.186384  Processing 16 relocs. Offset value of 0x00030000

  493 16:21:02.190242  Attempting to start 3 APs

  494 16:21:02.193488  Waiting for 10ms after sending INIT.

  495 16:21:02.210330  Waiting for 1st SIPI to complete...done.

  496 16:21:02.210417  AP: slot 2 apic_id 3.

  497 16:21:02.213515  AP: slot 3 apic_id 2.

  498 16:21:02.216845  AP: slot 1 apic_id 1.

  499 16:21:02.219951  Waiting for 2nd SIPI to complete...done.

  500 16:21:02.226865  Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8

  501 16:21:02.233323  Processing 13 relocs. Offset value of 0x00038000

  502 16:21:02.239609  SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000)

  503 16:21:02.243406  Installing SMM handler to 0x7b000000

  504 16:21:02.249707  Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0

  505 16:21:02.256251  Processing 243 relocs. Offset value of 0x7b010000

  506 16:21:02.262750  Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8

  507 16:21:02.269382  Processing 13 relocs. Offset value of 0x7b008000

  508 16:21:02.272664  SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd

  509 16:21:02.279208  SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd

  510 16:21:02.286324  SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd

  511 16:21:02.292667  SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000)

  512 16:21:02.295869  Clearing SMI status registers

  513 16:21:02.295956  SMI_STS: PM1 

  514 16:21:02.299561  PM1_STS: PWRBTN 

  515 16:21:02.302784  TCO_STS: BOOT SECOND_TO 

  516 16:21:02.302866  New SMBASE 0x7b000000

  517 16:21:02.305986  In relocation handler: CPU 0

  518 16:21:02.312516  New SMBASE=0x7b000000 IEDBASE=0x7b400000

  519 16:21:02.315684  Writing SMRR. base = 0x7b000006, mask=0xff800800

  520 16:21:02.318983  Relocation complete.

  521 16:21:02.319065  New SMBASE 0x7afffc00

  522 16:21:02.322239  In relocation handler: CPU 1

  523 16:21:02.325453  New SMBASE=0x7afffc00 IEDBASE=0x7b400000

  524 16:21:02.332538  Writing SMRR. base = 0x7b000006, mask=0xff800800

  525 16:21:02.335751  Relocation complete.

  526 16:21:02.335832  New SMBASE 0x7afff800

  527 16:21:02.339018  In relocation handler: CPU 2

  528 16:21:02.342353  New SMBASE=0x7afff800 IEDBASE=0x7b400000

  529 16:21:02.349167  Writing SMRR. base = 0x7b000006, mask=0xff800800

  530 16:21:02.351933  Relocation complete.

  531 16:21:02.352014  New SMBASE 0x7afff400

  532 16:21:02.355396  In relocation handler: CPU 3

  533 16:21:02.358720  New SMBASE=0x7afff400 IEDBASE=0x7b400000

  534 16:21:02.365428  Writing SMRR. base = 0x7b000006, mask=0xff800800

  535 16:21:02.365510  Relocation complete.

  536 16:21:02.368676  Initializing CPU #0

  537 16:21:02.372405  CPU: vendor Intel device 806e9

  538 16:21:02.375145  CPU: family 06, model 8e, stepping 09

  539 16:21:02.382030  Setting up local APIC... apic_id: 0x00 done.

  540 16:21:02.382112  Turbo is available but hidden

  541 16:21:02.385445  Turbo has been enabled

  542 16:21:02.388590  SGX : param.enable = 0

  543 16:21:02.391865  Skip microcode update

  544 16:21:02.391946  CPU #0 initialized

  545 16:21:02.395495  Initializing CPU #1

  546 16:21:02.395576  Initializing CPU #3

  547 16:21:02.398494  Initializing CPU #2

  548 16:21:02.402056  CPU: vendor Intel device 806e9

  549 16:21:02.405011  CPU: family 06, model 8e, stepping 09

  550 16:21:02.408675  CPU: vendor Intel device 806e9

  551 16:21:02.411936  CPU: family 06, model 8e, stepping 09

  552 16:21:02.418429  Setting up local APIC...CPU: vendor Intel device 806e9

  553 16:21:02.421530  CPU: family 06, model 8e, stepping 09

  554 16:21:02.424732   apic_id: 0x02 done.

  555 16:21:02.431350  Setting up local APIC...Setting up local APIC...Skip microcode update

  556 16:21:02.431433   apic_id: 0x03 done.

  557 16:21:02.435121  CPU #3 initialized

  558 16:21:02.438494  Skip microcode update

  559 16:21:02.438576   apic_id: 0x01 done.

  560 16:21:02.441720  CPU #2 initialized

  561 16:21:02.444865  Skip microcode update

  562 16:21:02.444947  CPU #1 initialized

  563 16:21:02.448027  bsp_do_flight_plan done after 226 msecs.

  564 16:21:02.451254  CPU: frequency set to 3400 MHz

  565 16:21:02.454972  Enabling SMIs.

  566 16:21:02.455082  Locking SMM.

  567 16:21:02.458189  VMX : param.enable = 1

  568 16:21:02.461388  VMX status: enabled, unlocked

  569 16:21:02.464593  SGX: pre-conditions not met

  570 16:21:02.468241  VMX status: enabled, unlocked

  571 16:21:02.468323  SGX: pre-conditions not met

  572 16:21:02.471404  VMX status: enabled, unlocked

  573 16:21:02.474405  VMX status: enabled, unlocked

  574 16:21:02.477880  SGX: pre-conditions not met

  575 16:21:02.481100  SGX: pre-conditions not met

  576 16:21:02.488113  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  577 16:21:02.490905  CBFS: Locating 'vbt.bin'

  578 16:21:02.494638  CBFS: Found @ offset 103a00 size 48e

  579 16:21:02.497589  Found a VBT of 4608 bytes after decompression

  580 16:21:02.502511  psys_pmax = 360

  581 16:21:02.505990  FMAP: area GBB found @ c11000 (978944 bytes)

  582 16:21:02.618042  ITSS IRQ Polarities Before:

  583 16:21:02.621688  IPC0: 0x00ff4000

  584 16:21:02.621765  IPC1: 0x00000007

  585 16:21:02.624601  IPC2: 0x00000000

  586 16:21:02.628018  IPC3: 0x00000000

  587 16:21:02.628100  ITSS IRQ Polarities After:

  588 16:21:02.631438  IPC0: 0x00ff4000

  589 16:21:02.631514  IPC1: 0x00000007

  590 16:21:02.634944  IPC2: 0x00000000

  591 16:21:02.635026  IPC3: 0x00000000

  592 16:21:02.641471  Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU

  593 16:21:02.647805  BS: BS_DEV_INIT_CHIPS times (us): entry 376039 run 166690 exit 0

  594 16:21:02.651006  Enumerating buses...

  595 16:21:02.654815  Show all devs... Before device enumeration.

  596 16:21:02.658035  Root Device: enabled 1

  597 16:21:02.658107  CPU_CLUSTER: 0: enabled 1

  598 16:21:02.661304  DOMAIN: 0000: enabled 1

  599 16:21:02.664509  APIC: 00: enabled 1

  600 16:21:02.667585  PCI: 00:00.0: enabled 1

  601 16:21:02.667719  PCI: 00:02.0: enabled 1

  602 16:21:02.670808  PCI: 00:14.0: enabled 1

  603 16:21:02.674014  PCI: 00:14.1: enabled 0

  604 16:21:02.677802  PCI: 00:14.2: enabled 1

  605 16:21:02.677873  PCI: 00:15.0: enabled 1

  606 16:21:02.680777  PCI: 00:15.1: enabled 1

  607 16:21:02.683885  PCI: 00:15.2: enabled 0

  608 16:21:02.687011  PCI: 00:15.3: enabled 0

  609 16:21:02.687112  PCI: 00:16.0: enabled 1

  610 16:21:02.690658  PCI: 00:16.1: enabled 0

  611 16:21:02.693800  PCI: 00:16.2: enabled 0

  612 16:21:02.693881  PCI: 00:16.3: enabled 0

  613 16:21:02.697619  PCI: 00:16.4: enabled 0

  614 16:21:02.700598  PCI: 00:17.0: enabled 0

  615 16:21:02.703664  PCI: 00:19.0: enabled 1

  616 16:21:02.703760  PCI: 00:19.1: enabled 1

  617 16:21:02.706967  PCI: 00:19.2: enabled 0

  618 16:21:02.710142  PCI: 00:1c.0: enabled 1

  619 16:21:02.713923  PCI: 00:1c.1: enabled 0

  620 16:21:02.714001  PCI: 00:1c.2: enabled 0

  621 16:21:02.716933  PCI: 00:1c.3: enabled 0

  622 16:21:02.720302  PCI: 00:1c.4: enabled 0

  623 16:21:02.723847  PCI: 00:1c.5: enabled 0

  624 16:21:02.723923  PCI: 00:1c.6: enabled 0

  625 16:21:02.727010  PCI: 00:1c.7: enabled 0

  626 16:21:02.730242  PCI: 00:1d.0: enabled 0

  627 16:21:02.733288  PCI: 00:1d.1: enabled 0

  628 16:21:02.733390  PCI: 00:1d.2: enabled 0

  629 16:21:02.737056  PCI: 00:1d.3: enabled 0

  630 16:21:02.740295  PCI: 00:1e.0: enabled 1

  631 16:21:02.740379  PCI: 00:1e.1: enabled 0

  632 16:21:02.743518  PCI: 00:1e.2: enabled 1

  633 16:21:02.746550  PCI: 00:1e.3: enabled 0

  634 16:21:02.750114  PCI: 00:1e.4: enabled 1

  635 16:21:02.750189  PCI: 00:1e.5: enabled 0

  636 16:21:02.753662  PCI: 00:1e.6: enabled 1

  637 16:21:02.756856  PCI: 00:1f.0: enabled 1

  638 16:21:02.760031  PCI: 00:1f.1: enabled 1

  639 16:21:02.760105  PCI: 00:1f.2: enabled 1

  640 16:21:02.763347  PCI: 00:1f.3: enabled 1

  641 16:21:02.766394  PCI: 00:1f.4: enabled 1

  642 16:21:02.770215  PCI: 00:1f.5: enabled 1

  643 16:21:02.770296  PCI: 00:1f.6: enabled 0

  644 16:21:02.773363  USB0 port 0: enabled 1

  645 16:21:02.776590  I2C: 00:5c: enabled 1

  646 16:21:02.776660  I2C: 00:15: enabled 1

  647 16:21:02.779832  I2C: 00:39: enabled 1

  648 16:21:02.783032  I2C: 00:3a: enabled 1

  649 16:21:02.783105  I2C: 00:1a: enabled 1

  650 16:21:02.786790  PCI: 00:00.0: enabled 1

  651 16:21:02.789801  SPI: 00: enabled 1

  652 16:21:02.789875  PNP: 0c09.0: enabled 1

  653 16:21:02.792915  USB2 port 0: enabled 1

  654 16:21:02.796666  USB2 port 1: enabled 1

  655 16:21:02.799673  USB2 port 2: enabled 1

  656 16:21:02.799766  USB2 port 4: enabled 1

  657 16:21:02.802929  USB2 port 8: enabled 1

  658 16:21:02.806074  APIC: 01: enabled 1

  659 16:21:02.806151  APIC: 03: enabled 1

  660 16:21:02.809845  APIC: 02: enabled 1

  661 16:21:02.809921  Compare with tree...

  662 16:21:02.813014  Root Device: enabled 1

  663 16:21:02.816102   CPU_CLUSTER: 0: enabled 1

  664 16:21:02.819316    APIC: 00: enabled 1

  665 16:21:02.819423    APIC: 01: enabled 1

  666 16:21:02.823084    APIC: 03: enabled 1

  667 16:21:02.826086    APIC: 02: enabled 1

  668 16:21:02.826158   DOMAIN: 0000: enabled 1

  669 16:21:02.829637    PCI: 00:00.0: enabled 1

  670 16:21:02.832611    PCI: 00:02.0: enabled 1

  671 16:21:02.836099    PCI: 00:14.0: enabled 1

  672 16:21:02.839266     USB0 port 0: enabled 1

  673 16:21:02.839379      USB2 port 0: enabled 1

  674 16:21:02.842526      USB2 port 1: enabled 1

  675 16:21:02.846213      USB2 port 2: enabled 1

  676 16:21:02.849464      USB2 port 4: enabled 1

  677 16:21:02.852557      USB2 port 8: enabled 1

  678 16:21:02.855809    PCI: 00:14.1: enabled 0

  679 16:21:02.855882    PCI: 00:14.2: enabled 1

  680 16:21:02.859461    PCI: 00:15.0: enabled 1

  681 16:21:02.862436     I2C: 00:5c: enabled 1

  682 16:21:02.865861    PCI: 00:15.1: enabled 1

  683 16:21:02.865942     I2C: 00:15: enabled 1

  684 16:21:02.869016    PCI: 00:15.2: enabled 0

  685 16:21:02.872803    PCI: 00:15.3: enabled 0

  686 16:21:02.875707    PCI: 00:16.0: enabled 1

  687 16:21:02.878792    PCI: 00:16.1: enabled 0

  688 16:21:02.878869    PCI: 00:16.2: enabled 0

  689 16:21:02.882113    PCI: 00:16.3: enabled 0

  690 16:21:02.885862    PCI: 00:16.4: enabled 0

  691 16:21:02.889094    PCI: 00:17.0: enabled 0

  692 16:21:02.892168    PCI: 00:19.0: enabled 1

  693 16:21:02.892239    PCI: 00:19.1: enabled 1

  694 16:21:02.895577     I2C: 00:39: enabled 1

  695 16:21:02.898705     I2C: 00:3a: enabled 1

  696 16:21:02.902474     I2C: 00:1a: enabled 1

  697 16:21:02.902549    PCI: 00:19.2: enabled 0

  698 16:21:02.905516    PCI: 00:1c.0: enabled 1

  699 16:21:02.908717     PCI: 00:00.0: enabled 1

  700 16:21:02.912245    PCI: 00:1c.1: enabled 0

  701 16:21:02.915566    PCI: 00:1c.2: enabled 0

  702 16:21:02.915670    PCI: 00:1c.3: enabled 0

  703 16:21:02.918802    PCI: 00:1c.4: enabled 0

  704 16:21:02.922066    PCI: 00:1c.5: enabled 0

  705 16:21:02.925205    PCI: 00:1c.6: enabled 0

  706 16:21:02.929113    PCI: 00:1c.7: enabled 0

  707 16:21:02.929195    PCI: 00:1d.0: enabled 0

  708 16:21:02.931818    PCI: 00:1d.1: enabled 0

  709 16:21:02.935531    PCI: 00:1d.2: enabled 0

  710 16:21:02.938522    PCI: 00:1d.3: enabled 0

  711 16:21:02.942216    PCI: 00:1e.0: enabled 1

  712 16:21:02.942298    PCI: 00:1e.1: enabled 0

  713 16:21:02.945280    PCI: 00:1e.2: enabled 1

  714 16:21:02.948730     SPI: 00: enabled 1

  715 16:21:02.951621    PCI: 00:1e.3: enabled 0

  716 16:21:02.951750    PCI: 00:1e.4: enabled 1

  717 16:21:02.955255    PCI: 00:1e.5: enabled 0

  718 16:21:02.958456    PCI: 00:1e.6: enabled 1

  719 16:21:02.961698    PCI: 00:1f.0: enabled 1

  720 16:21:02.964925     PNP: 0c09.0: enabled 1

  721 16:21:02.965009    PCI: 00:1f.1: enabled 1

  722 16:21:02.968630    PCI: 00:1f.2: enabled 1

  723 16:21:02.971579    PCI: 00:1f.3: enabled 1

  724 16:21:02.975179    PCI: 00:1f.4: enabled 1

  725 16:21:02.978631    PCI: 00:1f.5: enabled 1

  726 16:21:02.978712    PCI: 00:1f.6: enabled 0

  727 16:21:02.981867  Root Device scanning...

  728 16:21:02.984912  root_dev_scan_bus for Root Device

  729 16:21:02.988180  CPU_CLUSTER: 0 enabled

  730 16:21:02.991363  DOMAIN: 0000 enabled

  731 16:21:02.991444  DOMAIN: 0000 scanning...

  732 16:21:02.994500  PCI: pci_scan_bus for bus 00

  733 16:21:02.998345  PCI: 00:00.0 [8086/0000] ops

  734 16:21:03.001401  PCI: 00:00.0 [8086/590c] enabled

  735 16:21:03.004985  PCI: 00:02.0 [8086/0000] ops

  736 16:21:03.008016  PCI: 00:02.0 [8086/591c] enabled

  737 16:21:03.011529  PCI: 00:04.0 [8086/1903] enabled

  738 16:21:03.014738  PCI: 00:08.0 [8086/1911] enabled

  739 16:21:03.018048  PCI: 00:14.0 [8086/0000] bus ops

  740 16:21:03.021699  PCI: 00:14.0 [8086/9d2f] enabled

  741 16:21:03.024928  PCI: 00:14.2 [8086/9d31] enabled

  742 16:21:03.028180  PCI: 00:15.0 [8086/0000] bus ops

  743 16:21:03.031437  PCI: 00:15.0 [8086/9d60] enabled

  744 16:21:03.034686  PCI: 00:15.1 [8086/0000] bus ops

  745 16:21:03.038035  PCI: 00:15.1 [8086/9d61] enabled

  746 16:21:03.041117  PCI: 00:16.0 [8086/0000] ops

  747 16:21:03.044702  PCI: 00:16.0 [8086/9d3a] enabled

  748 16:21:03.047940  PCI: 00:19.0 [8086/0000] ops

  749 16:21:03.051020  PCI: 00:19.0 [8086/9d66] enabled

  750 16:21:03.054376  PCI: 00:19.1 [8086/0000] bus ops

  751 16:21:03.057849  PCI: 00:19.1 [8086/9d65] enabled

  752 16:21:03.060958  PCI: 00:1c.0 [8086/0000] bus ops

  753 16:21:03.064512  PCI: 00:1c.0 [8086/9d10] enabled

  754 16:21:03.067667  PCI: 00:1e.0 [8086/0000] ops

  755 16:21:03.070859  PCI: 00:1e.0 [8086/9d27] enabled

  756 16:21:03.074155  PCI: 00:1e.2 [8086/0000] bus ops

  757 16:21:03.077247  PCI: 00:1e.2 [8086/9d29] enabled

  758 16:21:03.081065  PCI: 00:1e.4 [8086/9d2b] enabled

  759 16:21:03.084020  PCI: 00:1e.6 [8086/0000] ops

  760 16:21:03.087547  PCI: 00:1e.6 [8086/9d2d] enabled

  761 16:21:03.090897  PCI: 00:1f.0 [8086/0000] bus ops

  762 16:21:03.094079  PCI: 00:1f.0 [8086/9d4b] enabled

  763 16:21:03.097673  PCI: Static device PCI: 00:1f.1 not found, disabling it.

  764 16:21:03.100839  PCI: 00:1f.2 [8086/0000] bus ops

  765 16:21:03.104088  PCI: 00:1f.2 [8086/9d21] enabled

  766 16:21:03.107353  PCI: 00:1f.3 [8086/0000] bus ops

  767 16:21:03.110389  PCI: 00:1f.3 [8086/9d71] enabled

  768 16:21:03.113879  PCI: 00:1f.4 [8086/0000] bus ops

  769 16:21:03.117408  PCI: 00:1f.4 [8086/9d23] enabled

  770 16:21:03.120598  PCI: 00:1f.5 [8086/0000] bus ops

  771 16:21:03.123591  PCI: 00:1f.5 [8086/9d24] enabled

  772 16:21:03.126824  PCI: 00:14.0 scanning...

  773 16:21:03.130102  scan_usb_bus for PCI: 00:14.0

  774 16:21:03.133470  USB0 port 0 enabled

  775 16:21:03.133551  USB0 port 0 scanning...

  776 16:21:03.137325  scan_usb_bus for USB0 port 0

  777 16:21:03.140634  USB2 port 0 enabled

  778 16:21:03.143864  USB2 port 1 enabled

  779 16:21:03.143940  USB2 port 2 enabled

  780 16:21:03.146996  USB2 port 4 enabled

  781 16:21:03.147069  USB2 port 8 enabled

  782 16:21:03.150098  USB2 port 0 scanning...

  783 16:21:03.153733  scan_usb_bus for USB2 port 0

  784 16:21:03.156914  scan_usb_bus for USB2 port 0 done

  785 16:21:03.163176  scan_bus: scanning of bus USB2 port 0 took 8973 usecs

  786 16:21:03.167033  USB2 port 1 scanning...

  787 16:21:03.167105  scan_usb_bus for USB2 port 1

  788 16:21:03.173742  scan_usb_bus for USB2 port 1 done

  789 16:21:03.176727  scan_bus: scanning of bus USB2 port 1 took 8975 usecs

  790 16:21:03.179883  USB2 port 2 scanning...

  791 16:21:03.183062  scan_usb_bus for USB2 port 2

  792 16:21:03.187046  scan_usb_bus for USB2 port 2 done

  793 16:21:03.190202  scan_bus: scanning of bus USB2 port 2 took 8971 usecs

  794 16:21:03.193376  USB2 port 4 scanning...

  795 16:21:03.196644  scan_usb_bus for USB2 port 4

  796 16:21:03.199634  scan_usb_bus for USB2 port 4 done

  797 16:21:03.206648  scan_bus: scanning of bus USB2 port 4 took 8974 usecs

  798 16:21:03.209443  USB2 port 8 scanning...

  799 16:21:03.209514  scan_usb_bus for USB2 port 8

  800 16:21:03.212962  scan_usb_bus for USB2 port 8 done

  801 16:21:03.219908  scan_bus: scanning of bus USB2 port 8 took 8964 usecs

  802 16:21:03.222998  scan_usb_bus for USB0 port 0 done

  803 16:21:03.229721  scan_bus: scanning of bus USB0 port 0 took 90954 usecs

  804 16:21:03.232628  scan_usb_bus for PCI: 00:14.0 done

  805 16:21:03.239334  scan_bus: scanning of bus PCI: 00:14.0 took 107741 usecs

  806 16:21:03.239443  PCI: 00:15.0 scanning...

  807 16:21:03.242593  scan_generic_bus for PCI: 00:15.0

  808 16:21:03.249022  bus: PCI: 00:15.0[0]->I2C: 01:5c enabled

  809 16:21:03.252809  scan_generic_bus for PCI: 00:15.0 done

  810 16:21:03.255940  scan_bus: scanning of bus PCI: 00:15.0 took 14152 usecs

  811 16:21:03.259024  PCI: 00:15.1 scanning...

  812 16:21:03.262881  scan_generic_bus for PCI: 00:15.1

  813 16:21:03.269246  bus: PCI: 00:15.1[0]->I2C: 02:15 enabled

  814 16:21:03.272501  scan_generic_bus for PCI: 00:15.1 done

  815 16:21:03.275763  scan_bus: scanning of bus PCI: 00:15.1 took 14146 usecs

  816 16:21:03.278911  PCI: 00:19.1 scanning...

  817 16:21:03.282657  scan_generic_bus for PCI: 00:19.1

  818 16:21:03.288883  bus: PCI: 00:19.1[0]->I2C: 03:39 enabled

  819 16:21:03.292147  bus: PCI: 00:19.1[0]->I2C: 03:3a enabled

  820 16:21:03.295345  bus: PCI: 00:19.1[0]->I2C: 03:1a enabled

  821 16:21:03.298571  scan_generic_bus for PCI: 00:19.1 done

  822 16:21:03.305560  scan_bus: scanning of bus PCI: 00:19.1 took 22370 usecs

  823 16:21:03.308820  PCI: 00:1c.0 scanning...

  824 16:21:03.312000  do_pci_scan_bridge for PCI: 00:1c.0

  825 16:21:03.315692  PCI: pci_scan_bus for bus 01

  826 16:21:03.318770  PCI: 01:00.0 [8086/095a] enabled

  827 16:21:03.322244  Capability: type 0x01 @ 0xc8

  828 16:21:03.322345  Capability: type 0x05 @ 0xd0

  829 16:21:03.325136  Capability: type 0x10 @ 0x40

  830 16:21:03.328416  Capability: type 0x10 @ 0x40

  831 16:21:03.331789  Enabling Common Clock Configuration

  832 16:21:03.338426  L1 Sub-State supported from root port 28

  833 16:21:03.338531  L1 Sub-State Support = 0xf

  834 16:21:03.341863  CommonModeRestoreTime = 0x28

  835 16:21:03.348305  Power On Value = 0x1e, Power On Scale = 0x0

  836 16:21:03.348384  ASPM: Enabled L1

  837 16:21:03.351449  Capability: type 0x01 @ 0xc8

  838 16:21:03.355236  Capability: type 0x05 @ 0xd0

  839 16:21:03.358268  Capability: type 0x10 @ 0x40

  840 16:21:03.365060  scan_bus: scanning of bus PCI: 00:1c.0 took 53503 usecs

  841 16:21:03.365163  PCI: 00:1e.2 scanning...

  842 16:21:03.368360  scan_generic_bus for PCI: 00:1e.2

  843 16:21:03.374584  bus: PCI: 00:1e.2[0]->SPI: 00 enabled

  844 16:21:03.377830  scan_generic_bus for PCI: 00:1e.2 done

  845 16:21:03.381674  scan_bus: scanning of bus PCI: 00:1e.2 took 13862 usecs

  846 16:21:03.384964  PCI: 00:1f.0 scanning...

  847 16:21:03.387992  scan_lpc_bus for PCI: 00:1f.0

  848 16:21:03.391040  PNP: 0c09.0 enabled

  849 16:21:03.394797  scan_lpc_bus for PCI: 00:1f.0 done

  850 16:21:03.401092  scan_bus: scanning of bus PCI: 00:1f.0 took 11313 usecs

  851 16:21:03.401174  PCI: 00:1f.2 scanning...

  852 16:21:03.404293  scan_lpc_bus for PCI: 00:1f.2

  853 16:21:03.408244  scan_lpc_bus for PCI: 00:1f.2 done

  854 16:21:03.414589  scan_bus: scanning of bus PCI: 00:1f.2 took 9267 usecs

  855 16:21:03.417944  PCI: 00:1f.3 scanning...

  856 16:21:03.421088  scan_bus: scanning of bus PCI: 00:1f.3 took 2719 usecs

  857 16:21:03.424418  PCI: 00:1f.4 scanning...

  858 16:21:03.427430  scan_generic_bus for PCI: 00:1f.4

  859 16:21:03.434192  scan_generic_bus for PCI: 00:1f.4 done

  860 16:21:03.437730  scan_bus: scanning of bus PCI: 00:1f.4 took 10048 usecs

  861 16:21:03.440698  PCI: 00:1f.5 scanning...

  862 16:21:03.444079  scan_generic_bus for PCI: 00:1f.5

  863 16:21:03.447379  scan_generic_bus for PCI: 00:1f.5 done

  864 16:21:03.454123  scan_bus: scanning of bus PCI: 00:1f.5 took 10051 usecs

  865 16:21:03.460921  scan_bus: scanning of bus DOMAIN: 0000 took 466004 usecs

  866 16:21:03.464224  root_dev_scan_bus for Root Device done

  867 16:21:03.467480  scan_bus: scanning of bus Root Device took 486110 usecs

  868 16:21:03.470993  done

  869 16:21:03.474217  Chrome EC: UHEPI supported

  870 16:21:03.480940  FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes)

  871 16:21:03.484180  MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'.

  872 16:21:03.493966  SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000

  873 16:21:03.500637  FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes)

  874 16:21:03.503824  SPI flash protection: WPSW=1 SRP0=0

  875 16:21:03.507611  MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'.

  876 16:21:03.514076  BS: BS_DEV_ENUMERATE times (us): entry 0 run 825878 exit 39243

  877 16:21:03.517207  found VGA at PCI: 00:02.0

  878 16:21:03.520409  Setting up VGA for PCI: 00:02.0

  879 16:21:03.526929  Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000

  880 16:21:03.530544  Setting PCI_BRIDGE_CTL_VGA for bridge Root Device

  881 16:21:03.533658  Allocating resources...

  882 16:21:03.537384  Reading resources...

  883 16:21:03.540670  Root Device read_resources bus 0 link: 0

  884 16:21:03.543794  CPU_CLUSTER: 0 read_resources bus 0 link: 0

  885 16:21:03.550035  CPU_CLUSTER: 0 read_resources bus 0 link: 0 done

  886 16:21:03.553658  DOMAIN: 0000 read_resources bus 0 link: 0

  887 16:21:03.559907  PCI: 00:14.0 read_resources bus 0 link: 0

  888 16:21:03.563236  USB0 port 0 read_resources bus 0 link: 0

  889 16:21:03.569728  USB0 port 0 read_resources bus 0 link: 0 done

  890 16:21:03.573488  PCI: 00:14.0 read_resources bus 0 link: 0 done

  891 16:21:03.579527  PCI: 00:15.0 read_resources bus 1 link: 0

  892 16:21:03.583125  PCI: 00:15.0 read_resources bus 1 link: 0 done

  893 16:21:03.586185  PCI: 00:15.1 read_resources bus 2 link: 0

  894 16:21:03.592893  PCI: 00:15.1 read_resources bus 2 link: 0 done

  895 16:21:03.596148  PCI: 00:19.1 read_resources bus 3 link: 0

  896 16:21:03.603148  PCI: 00:19.1 read_resources bus 3 link: 0 done

  897 16:21:03.606149  PCI: 00:1c.0 read_resources bus 1 link: 0

  898 16:21:03.613237  PCI: 00:1c.0 read_resources bus 1 link: 0 done

  899 16:21:03.616412  PCI: 00:1e.2 read_resources bus 4 link: 0

  900 16:21:03.622765  PCI: 00:1e.2 read_resources bus 4 link: 0 done

  901 16:21:03.625984  PCI: 00:1f.0 read_resources bus 0 link: 0

  902 16:21:03.632844  PCI: 00:1f.0 read_resources bus 0 link: 0 done

  903 16:21:03.635944  DOMAIN: 0000 read_resources bus 0 link: 0 done

  904 16:21:03.642416  Root Device read_resources bus 0 link: 0 done

  905 16:21:03.646308  Done reading resources.

  906 16:21:03.649585  Show resources in subtree (Root Device)...After reading.

  907 16:21:03.655965   Root Device child on link 0 CPU_CLUSTER: 0

  908 16:21:03.659424    CPU_CLUSTER: 0 child on link 0 APIC: 00

  909 16:21:03.659532     APIC: 00

  910 16:21:03.662530     APIC: 01

  911 16:21:03.662612     APIC: 03

  912 16:21:03.665760     APIC: 02

  913 16:21:03.668915    DOMAIN: 0000 child on link 0 PCI: 00:00.0

  914 16:21:03.678726    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000

  915 16:21:03.689025    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100

  916 16:21:03.689112     PCI: 00:00.0

  917 16:21:03.698464     PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0

  918 16:21:03.709010     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

  919 16:21:03.718272     PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2

  920 16:21:03.725360     PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3

  921 16:21:03.735267     PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4

  922 16:21:03.744719     PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5

  923 16:21:03.754470     PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6

  924 16:21:03.764681     PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7

  925 16:21:03.771192     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8

  926 16:21:03.780913     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9

  927 16:21:03.791276     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

  928 16:21:03.801001     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c

  929 16:21:03.810622     PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d

  930 16:21:03.820574     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e

  931 16:21:03.830931     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f

  932 16:21:03.831012     PCI: 00:02.0

  933 16:21:03.840901     PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10

  934 16:21:03.850677     PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18

  935 16:21:03.860407     PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20

  936 16:21:03.860494     PCI: 00:04.0

  937 16:21:03.870158     PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10

  938 16:21:03.873813     PCI: 00:08.0

  939 16:21:03.883358     PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  940 16:21:03.887129     PCI: 00:14.0 child on link 0 USB0 port 0

  941 16:21:03.897114     PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10

  942 16:21:03.903255      USB0 port 0 child on link 0 USB2 port 0

  943 16:21:03.903331       USB2 port 0

  944 16:21:03.906554       USB2 port 1

  945 16:21:03.906629       USB2 port 2

  946 16:21:03.909783       USB2 port 4

  947 16:21:03.909859       USB2 port 8

  948 16:21:03.913556     PCI: 00:14.1

  949 16:21:03.913632     PCI: 00:14.2

  950 16:21:03.923078     PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  951 16:21:03.926780     PCI: 00:15.0 child on link 0 I2C: 01:5c

  952 16:21:03.936216     PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  953 16:21:03.940062      I2C: 01:5c

  954 16:21:03.943325     PCI: 00:15.1 child on link 0 I2C: 02:15

  955 16:21:03.953297     PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  956 16:21:03.956168      I2C: 02:15

  957 16:21:03.956246     PCI: 00:15.2

  958 16:21:03.959565     PCI: 00:15.3

  959 16:21:03.959705     PCI: 00:16.0

  960 16:21:03.969675     PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  961 16:21:03.972879     PCI: 00:16.1

  962 16:21:03.973020     PCI: 00:16.2

  963 16:21:03.976191     PCI: 00:16.3

  964 16:21:03.976292     PCI: 00:16.4

  965 16:21:03.979830     PCI: 00:17.0

  966 16:21:03.979915     PCI: 00:19.0

  967 16:21:03.992527     PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10

  968 16:21:04.002998     PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  969 16:21:04.006229     PCI: 00:19.1 child on link 0 I2C: 03:39

  970 16:21:04.015680     PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  971 16:21:04.015764      I2C: 03:39

  972 16:21:04.019594      I2C: 03:3a

  973 16:21:04.019685      I2C: 03:1a

  974 16:21:04.022827     PCI: 00:19.2

  975 16:21:04.025933     PCI: 00:1c.0 child on link 0 PCI: 01:00.0

  976 16:21:04.035943     PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c

  977 16:21:04.045573     PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24

  978 16:21:04.052122     PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20

  979 16:21:04.055377      PCI: 01:00.0

  980 16:21:04.065643      PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10

  981 16:21:04.065730     PCI: 00:1c.1

  982 16:21:04.068754     PCI: 00:1c.2

  983 16:21:04.068834     PCI: 00:1c.3

  984 16:21:04.072129     PCI: 00:1c.4

  985 16:21:04.072202     PCI: 00:1c.5

  986 16:21:04.075595     PCI: 00:1c.6

  987 16:21:04.075687     PCI: 00:1c.7

  988 16:21:04.078533     PCI: 00:1d.0

  989 16:21:04.078600     PCI: 00:1d.1

  990 16:21:04.082458     PCI: 00:1d.2

  991 16:21:04.082545     PCI: 00:1d.3

  992 16:21:04.085492     PCI: 00:1e.0

  993 16:21:04.095266     PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  994 16:21:04.095369     PCI: 00:1e.1

  995 16:21:04.102121     PCI: 00:1e.2 child on link 0 SPI: 00

  996 16:21:04.111689     PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  997 16:21:04.111812      SPI: 00

  998 16:21:04.115070     PCI: 00:1e.3

  999 16:21:04.115153     PCI: 00:1e.4

 1000 16:21:04.125387     PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

 1001 16:21:04.128714     PCI: 00:1e.5

 1002 16:21:04.128785     PCI: 00:1e.6

 1003 16:21:04.138103     PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

 1004 16:21:04.141695     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

 1005 16:21:04.151441     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

 1006 16:21:04.154643      PNP: 0c09.0

 1007 16:21:04.161846      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1008 16:21:04.165004     PCI: 00:1f.1

 1009 16:21:04.165085     PCI: 00:1f.2

 1010 16:21:04.174501     PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10

 1011 16:21:04.184856     PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48

 1012 16:21:04.194869     PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40

 1013 16:21:04.194951     PCI: 00:1f.3

 1014 16:21:04.204331     PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10

 1015 16:21:04.214230     PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20

 1016 16:21:04.217856     PCI: 00:1f.4

 1017 16:21:04.224041     PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20

 1018 16:21:04.234417     PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10

 1019 16:21:04.237947     PCI: 00:1f.5

 1020 16:21:04.247353     PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10

 1021 16:21:04.247440     PCI: 00:1f.6

 1022 16:21:04.254350  DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff

 1023 16:21:04.260821  PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff

 1024 16:21:04.267325  PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done

 1025 16:21:04.270604  PCI: 00:02.0 20 *  [0x0 - 0x3f] io

 1026 16:21:04.277527  DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done

 1027 16:21:04.284042  DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff

 1028 16:21:04.290457  PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff

 1029 16:21:04.300154  PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done

 1030 16:21:04.353578  PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff

 1031 16:21:04.353748  PCI: 01:00.0 10 *  [0x0 - 0x1fff] mem

 1032 16:21:04.354044  PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done

 1033 16:21:04.354162  PCI: 00:02.0 18 *  [0x0 - 0xfffffff] prefmem

 1034 16:21:04.354224  PCI: 00:02.0 10 *  [0x10000000 - 0x10ffffff] mem

 1035 16:21:04.354283  PCI: 00:1c.0 20 *  [0x11000000 - 0x110fffff] mem

 1036 16:21:04.354353  PCI: 00:14.0 10 *  [0x11100000 - 0x1110ffff] mem

 1037 16:21:04.354413  PCI: 00:1f.3 20 *  [0x11110000 - 0x1111ffff] mem

 1038 16:21:04.354469  PCI: 00:04.0 10 *  [0x11120000 - 0x11127fff] mem

 1039 16:21:04.354524  PCI: 00:1f.2 10 *  [0x11128000 - 0x1112bfff] mem

 1040 16:21:04.363551  PCI: 00:1f.3 10 *  [0x1112c000 - 0x1112ffff] mem

 1041 16:21:04.366870  PCI: 00:08.0 10 *  [0x11130000 - 0x11130fff] mem

 1042 16:21:04.366951  PCI: 00:14.2 10 *  [0x11131000 - 0x11131fff] mem

 1043 16:21:04.373131  PCI: 00:15.0 10 *  [0x11132000 - 0x11132fff] mem

 1044 16:21:04.376927  PCI: 00:15.1 10 *  [0x11133000 - 0x11133fff] mem

 1045 16:21:04.383219  PCI: 00:16.0 10 *  [0x11134000 - 0x11134fff] mem

 1046 16:21:04.386601  PCI: 00:19.0 18 *  [0x11135000 - 0x11135fff] mem

 1047 16:21:04.392947  PCI: 00:19.1 10 *  [0x11136000 - 0x11136fff] mem

 1048 16:21:04.396126  PCI: 00:1e.0 10 *  [0x11137000 - 0x11137fff] mem

 1049 16:21:04.399954  PCI: 00:1e.2 10 *  [0x11138000 - 0x11138fff] mem

 1050 16:21:04.406228  PCI: 00:1e.4 10 *  [0x11139000 - 0x11139fff] mem

 1051 16:21:04.409362  PCI: 00:1e.6 10 *  [0x1113a000 - 0x1113afff] mem

 1052 16:21:04.416499  PCI: 00:1f.5 10 *  [0x1113b000 - 0x1113bfff] mem

 1053 16:21:04.419750  PCI: 00:1f.4 10 *  [0x1113c000 - 0x1113c0ff] mem

 1054 16:21:04.429264  DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done

 1055 16:21:04.432541  avoid_fixed_resources: DOMAIN: 0000

 1056 16:21:04.439333  avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff

 1057 16:21:04.445910  avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff

 1058 16:21:04.452865  constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed)

 1059 16:21:04.459020  constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed)

 1060 16:21:04.469126  constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed)

 1061 16:21:04.475472  constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed)

 1062 16:21:04.482436  constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed)

 1063 16:21:04.492233  constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed)

 1064 16:21:04.499132  constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed)

 1065 16:21:04.505544  constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed)

 1066 16:21:04.512084  avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f

 1067 16:21:04.521905  avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff

 1068 16:21:04.521986  Setting resources...

 1069 16:21:04.528438  DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f

 1070 16:21:04.532177  PCI: 00:02.0 20 *  [0x1c00 - 0x1c3f] io

 1071 16:21:04.538377  DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done

 1072 16:21:04.545363  PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f

 1073 16:21:04.551586  PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done

 1074 16:21:04.558215  DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff

 1075 16:21:04.564940  PCI: 00:02.0 18 *  [0xc0000000 - 0xcfffffff] prefmem

 1076 16:21:04.568252  PCI: 00:02.0 10 *  [0xd0000000 - 0xd0ffffff] mem

 1077 16:21:04.574681  PCI: 00:1c.0 20 *  [0xd1000000 - 0xd10fffff] mem

 1078 16:21:04.578203  PCI: 00:14.0 10 *  [0xd1100000 - 0xd110ffff] mem

 1079 16:21:04.585018  PCI: 00:1f.3 20 *  [0xd1110000 - 0xd111ffff] mem

 1080 16:21:04.588239  PCI: 00:04.0 10 *  [0xd1120000 - 0xd1127fff] mem

 1081 16:21:04.594638  PCI: 00:1f.2 10 *  [0xd1128000 - 0xd112bfff] mem

 1082 16:21:04.597688  PCI: 00:1f.3 10 *  [0xd112c000 - 0xd112ffff] mem

 1083 16:21:04.604260  PCI: 00:08.0 10 *  [0xd1130000 - 0xd1130fff] mem

 1084 16:21:04.607709  PCI: 00:14.2 10 *  [0xd1131000 - 0xd1131fff] mem

 1085 16:21:04.614424  PCI: 00:15.0 10 *  [0xd1132000 - 0xd1132fff] mem

 1086 16:21:04.617691  PCI: 00:15.1 10 *  [0xd1133000 - 0xd1133fff] mem

 1087 16:21:04.621007  PCI: 00:16.0 10 *  [0xd1134000 - 0xd1134fff] mem

 1088 16:21:04.627874  PCI: 00:19.0 18 *  [0xd1135000 - 0xd1135fff] mem

 1089 16:21:04.631007  PCI: 00:19.1 10 *  [0xd1136000 - 0xd1136fff] mem

 1090 16:21:04.637273  PCI: 00:1e.0 10 *  [0xd1137000 - 0xd1137fff] mem

 1091 16:21:04.641124  PCI: 00:1e.2 10 *  [0xd1138000 - 0xd1138fff] mem

 1092 16:21:04.647659  PCI: 00:1e.4 10 *  [0xd1139000 - 0xd1139fff] mem

 1093 16:21:04.650980  PCI: 00:1e.6 10 *  [0xd113a000 - 0xd113afff] mem

 1094 16:21:04.657355  PCI: 00:1f.5 10 *  [0xd113b000 - 0xd113bfff] mem

 1095 16:21:04.660538  PCI: 00:1f.4 10 *  [0xd113c000 - 0xd113c0ff] mem

 1096 16:21:04.670665  DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done

 1097 16:21:04.677498  PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff

 1098 16:21:04.683598  PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done

 1099 16:21:04.690598  PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff

 1100 16:21:04.697156  PCI: 01:00.0 10 *  [0xd1000000 - 0xd1001fff] mem

 1101 16:21:04.703572  PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done

 1102 16:21:04.706844  Root Device assign_resources, bus 0 link: 0

 1103 16:21:04.714014  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1104 16:21:04.720447  PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64

 1105 16:21:04.729899  PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64

 1106 16:21:04.736662  PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io

 1107 16:21:04.746518  PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64

 1108 16:21:04.753028  PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64

 1109 16:21:04.759573  PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64

 1110 16:21:04.766552  PCI: 00:14.0 assign_resources, bus 0 link: 0

 1111 16:21:04.769699  PCI: 00:14.0 assign_resources, bus 0 link: 0

 1112 16:21:04.779371  PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64

 1113 16:21:04.786334  PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64

 1114 16:21:04.792771  PCI: 00:15.0 assign_resources, bus 1 link: 0

 1115 16:21:04.796249  PCI: 00:15.0 assign_resources, bus 1 link: 0

 1116 16:21:04.802957  PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64

 1117 16:21:04.809353  PCI: 00:15.1 assign_resources, bus 2 link: 0

 1118 16:21:04.812596  PCI: 00:15.1 assign_resources, bus 2 link: 0

 1119 16:21:04.822358  PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64

 1120 16:21:04.828964  PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64

 1121 16:21:04.838638  PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64

 1122 16:21:04.842398  PCI: 00:19.1 assign_resources, bus 3 link: 0

 1123 16:21:04.845470  PCI: 00:19.1 assign_resources, bus 3 link: 0

 1124 16:21:04.855728  PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io

 1125 16:21:04.865414  PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem

 1126 16:21:04.871788  PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem

 1127 16:21:04.878494  PCI: 00:1c.0 assign_resources, bus 1 link: 0

 1128 16:21:04.884780  PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64

 1129 16:21:04.888562  PCI: 00:1c.0 assign_resources, bus 1 link: 0

 1130 16:21:04.898618  PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64

 1131 16:21:04.905385  PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64

 1132 16:21:04.911621  PCI: 00:1e.2 assign_resources, bus 4 link: 0

 1133 16:21:04.915367  PCI: 00:1e.2 assign_resources, bus 4 link: 0

 1134 16:21:04.924885  PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64

 1135 16:21:04.931139  PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64

 1136 16:21:04.934987  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1137 16:21:04.942065  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1138 16:21:04.945253  LPC: Trying to open IO window from 800 size 1ff

 1139 16:21:04.954840  PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem

 1140 16:21:04.961245  PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64

 1141 16:21:04.971283  PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64

 1142 16:21:04.978095  PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64

 1143 16:21:04.984475  PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem

 1144 16:21:04.991386  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1145 16:21:04.994674  Root Device assign_resources, bus 0 link: 0

 1146 16:21:04.997804  Done setting resources.

 1147 16:21:05.004269  Show resources in subtree (Root Device)...After assigning values.

 1148 16:21:05.007765   Root Device child on link 0 CPU_CLUSTER: 0

 1149 16:21:05.014850    CPU_CLUSTER: 0 child on link 0 APIC: 00

 1150 16:21:05.014940     APIC: 00

 1151 16:21:05.015066     APIC: 01

 1152 16:21:05.018118     APIC: 03

 1153 16:21:05.018198     APIC: 02

 1154 16:21:05.021198    DOMAIN: 0000 child on link 0 PCI: 00:00.0

 1155 16:21:05.030811    DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000

 1156 16:21:05.044407    DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100

 1157 16:21:05.044493     PCI: 00:00.0

 1158 16:21:05.054054     PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0

 1159 16:21:05.064372     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

 1160 16:21:05.074010     PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2

 1161 16:21:05.083907     PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3

 1162 16:21:05.090426     PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4

 1163 16:21:05.100588     PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5

 1164 16:21:05.110392     PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6

 1165 16:21:05.120142     PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7

 1166 16:21:05.129751     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8

 1167 16:21:05.136693     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9

 1168 16:21:05.146766     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

 1169 16:21:05.156301     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c

 1170 16:21:05.166511     PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d

 1171 16:21:05.175945     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e

 1172 16:21:05.186025     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f

 1173 16:21:05.186109     PCI: 00:02.0

 1174 16:21:05.196230     PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10

 1175 16:21:05.209078     PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18

 1176 16:21:05.216098     PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20

 1177 16:21:05.219272     PCI: 00:04.0

 1178 16:21:05.229181     PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10

 1179 16:21:05.232304     PCI: 00:08.0

 1180 16:21:05.242119     PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10

 1181 16:21:05.245285     PCI: 00:14.0 child on link 0 USB0 port 0

 1182 16:21:05.254999     PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10

 1183 16:21:05.258341      USB0 port 0 child on link 0 USB2 port 0

 1184 16:21:05.261802       USB2 port 0

 1185 16:21:05.265095       USB2 port 1

 1186 16:21:05.265171       USB2 port 2

 1187 16:21:05.268544       USB2 port 4

 1188 16:21:05.268626       USB2 port 8

 1189 16:21:05.272231     PCI: 00:14.1

 1190 16:21:05.272316     PCI: 00:14.2

 1191 16:21:05.281670     PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10

 1192 16:21:05.288150     PCI: 00:15.0 child on link 0 I2C: 01:5c

 1193 16:21:05.298461     PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10

 1194 16:21:05.298556      I2C: 01:5c

 1195 16:21:05.301575     PCI: 00:15.1 child on link 0 I2C: 02:15

 1196 16:21:05.315173     PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10

 1197 16:21:05.315309      I2C: 02:15

 1198 16:21:05.318190     PCI: 00:15.2

 1199 16:21:05.318282     PCI: 00:15.3

 1200 16:21:05.321341     PCI: 00:16.0

 1201 16:21:05.331623     PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10

 1202 16:21:05.331792     PCI: 00:16.1

 1203 16:21:05.334954     PCI: 00:16.2

 1204 16:21:05.335062     PCI: 00:16.3

 1205 16:21:05.338139     PCI: 00:16.4

 1206 16:21:05.338212     PCI: 00:17.0

 1207 16:21:05.341345     PCI: 00:19.0

 1208 16:21:05.351313     PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10

 1209 16:21:05.360910     PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18

 1210 16:21:05.364414     PCI: 00:19.1 child on link 0 I2C: 03:39

 1211 16:21:05.377467     PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10

 1212 16:21:05.377563      I2C: 03:39

 1213 16:21:05.377628      I2C: 03:3a

 1214 16:21:05.380726      I2C: 03:1a

 1215 16:21:05.380807     PCI: 00:19.2

 1216 16:21:05.387386     PCI: 00:1c.0 child on link 0 PCI: 01:00.0

 1217 16:21:05.397406     PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c

 1218 16:21:05.407706     PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24

 1219 16:21:05.417392     PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20

 1220 16:21:05.417519      PCI: 01:00.0

 1221 16:21:05.427513      PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10

 1222 16:21:05.430265     PCI: 00:1c.1

 1223 16:21:05.430344     PCI: 00:1c.2

 1224 16:21:05.434109     PCI: 00:1c.3

 1225 16:21:05.434192     PCI: 00:1c.4

 1226 16:21:05.437206     PCI: 00:1c.5

 1227 16:21:05.437285     PCI: 00:1c.6

 1228 16:21:05.440389     PCI: 00:1c.7

 1229 16:21:05.440508     PCI: 00:1d.0

 1230 16:21:05.443736     PCI: 00:1d.1

 1231 16:21:05.443810     PCI: 00:1d.2

 1232 16:21:05.446936     PCI: 00:1d.3

 1233 16:21:05.447006     PCI: 00:1e.0

 1234 16:21:05.460457     PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10

 1235 16:21:05.460543     PCI: 00:1e.1

 1236 16:21:05.463649     PCI: 00:1e.2 child on link 0 SPI: 00

 1237 16:21:05.473634     PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10

 1238 16:21:05.476914      SPI: 00

 1239 16:21:05.476987     PCI: 00:1e.3

 1240 16:21:05.480069     PCI: 00:1e.4

 1241 16:21:05.490133     PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10

 1242 16:21:05.490218     PCI: 00:1e.5

 1243 16:21:05.493571     PCI: 00:1e.6

 1244 16:21:05.503207     PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10

 1245 16:21:05.506500     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

 1246 16:21:05.516409     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

 1247 16:21:05.516504      PNP: 0c09.0

 1248 16:21:05.526408      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1249 16:21:05.529461     PCI: 00:1f.1

 1250 16:21:05.529550     PCI: 00:1f.2

 1251 16:21:05.539819     PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10

 1252 16:21:05.549286     PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48

 1253 16:21:05.559852     PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40

 1254 16:21:05.559956     PCI: 00:1f.3

 1255 16:21:05.569441     PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10

 1256 16:21:05.582802     PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20

 1257 16:21:05.582891     PCI: 00:1f.4

 1258 16:21:05.592813     PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20

 1259 16:21:05.602307     PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10

 1260 16:21:05.602397     PCI: 00:1f.5

 1261 16:21:05.615471     PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10

 1262 16:21:05.615561     PCI: 00:1f.6

 1263 16:21:05.618864  Done allocating resources.

 1264 16:21:05.625576  BS: BS_DEV_RESOURCES times (us): entry 0 run 2114166 exit 29

 1265 16:21:05.625669  Enabling resources...

 1266 16:21:05.632346  PCI: 00:00.0 subsystem <- 8086/590c

 1267 16:21:05.632447  PCI: 00:00.0 cmd <- 06

 1268 16:21:05.635903  PCI: 00:02.0 subsystem <- 8086/591c

 1269 16:21:05.639405  PCI: 00:02.0 cmd <- 03

 1270 16:21:05.642239  PCI: 00:04.0 cmd <- 02

 1271 16:21:05.645896  PCI: 00:08.0 cmd <- 06

 1272 16:21:05.649076  PCI: 00:14.0 subsystem <- 8086/9d2f

 1273 16:21:05.652335  PCI: 00:14.0 cmd <- 02

 1274 16:21:05.655612  PCI: 00:14.2 subsystem <- 8086/9d31

 1275 16:21:05.655735  PCI: 00:14.2 cmd <- 02

 1276 16:21:05.662184  PCI: 00:15.0 subsystem <- 8086/9d60

 1277 16:21:05.662258  PCI: 00:15.0 cmd <- 06

 1278 16:21:05.665415  PCI: 00:15.1 subsystem <- 8086/9d61

 1279 16:21:05.668695  PCI: 00:15.1 cmd <- 06

 1280 16:21:05.672152  PCI: 00:16.0 subsystem <- 8086/9d3a

 1281 16:21:05.675605  PCI: 00:16.0 cmd <- 02

 1282 16:21:05.678907  PCI: 00:19.0 subsystem <- 8086/9d66

 1283 16:21:05.681912  PCI: 00:19.0 cmd <- 06

 1284 16:21:05.685731  PCI: 00:19.1 subsystem <- 8086/9d65

 1285 16:21:05.688996  PCI: 00:19.1 cmd <- 06

 1286 16:21:05.692205  PCI: 00:1c.0 bridge ctrl <- 0003

 1287 16:21:05.695263  PCI: 00:1c.0 subsystem <- 8086/9d10

 1288 16:21:05.695336  PCI: 00:1c.0 cmd <- 06

 1289 16:21:05.702378  PCI: 00:1e.0 subsystem <- 8086/9d27

 1290 16:21:05.702462  PCI: 00:1e.0 cmd <- 06

 1291 16:21:05.705554  PCI: 00:1e.2 subsystem <- 8086/9d29

 1292 16:21:05.708798  PCI: 00:1e.2 cmd <- 06

 1293 16:21:05.712127  PCI: 00:1e.4 subsystem <- 8086/9d2b

 1294 16:21:05.715190  PCI: 00:1e.4 cmd <- 06

 1295 16:21:05.718455  PCI: 00:1e.6 subsystem <- 8086/9d2d

 1296 16:21:05.721632  PCI: 00:1e.6 cmd <- 06

 1297 16:21:05.724786  PCI: 00:1f.0 subsystem <- 8086/9d4b

 1298 16:21:05.727968  PCI: 00:1f.0 cmd <- 407

 1299 16:21:05.731129  PCI: 00:1f.2 subsystem <- 8086/9d21

 1300 16:21:05.734707  PCI: 00:1f.2 cmd <- 02

 1301 16:21:05.737599  PCI: 00:1f.3 subsystem <- 8086/9d71

 1302 16:21:05.740990  PCI: 00:1f.3 cmd <- 02

 1303 16:21:05.744572  PCI: 00:1f.4 subsystem <- 8086/9d23

 1304 16:21:05.744669  PCI: 00:1f.4 cmd <- 03

 1305 16:21:05.750792  PCI: 00:1f.5 subsystem <- 8086/9d24

 1306 16:21:05.750878  PCI: 00:1f.5 cmd <- 406

 1307 16:21:05.759781  PCI: 01:00.0 subsystem <- 8086/095a

 1308 16:21:05.759901  PCI: 01:00.0 cmd <- 02

 1309 16:21:05.764233  done.

 1310 16:21:05.783247  ME: Version : 11.8.50.3470

 1311 16:21:05.789975  BS: BS_DEV_ENABLE times (us): entry 227 run 139276 exit 21108

 1312 16:21:05.793126  Initializing devices...

 1313 16:21:05.796314  Root Device init ...

 1314 16:21:05.800335  Chrome EC: Set SMI mask to 0x0000000000000001

 1315 16:21:05.806597  Chrome EC: Set S5 LAZY WAKE mask to 0x0000000000000006

 1316 16:21:05.813191  Chrome EC: Set S3 LAZY WAKE mask to 0x0000000010001006

 1317 16:21:05.819843  Chrome EC: Set S0iX LAZY WAKE mask to 0x0000000010001006

 1318 16:21:05.823005  Chrome EC: Set WAKE mask to 0x0000000000000000

 1319 16:21:05.826763  Root Device init finished in 30853 usecs

 1320 16:21:05.829807  CPU_CLUSTER: 0 init ...

 1321 16:21:05.833040  CPU_CLUSTER: 0 init finished in 2443 usecs

 1322 16:21:05.837541  PCI: 00:00.0 init ...

 1323 16:21:05.840773  CPU TDP: 5 Watts

 1324 16:21:05.844671  CPU PL2 = 18 Watts

 1325 16:21:05.847834  PCI: 00:00.0 init finished in 6980 usecs

 1326 16:21:05.850716  PCI: 00:02.0 init ...

 1327 16:21:05.854250  PCI: 00:02.0 init finished in 2249 usecs

 1328 16:21:05.857229  PCI: 00:04.0 init ...

 1329 16:21:05.861232  PCI: 00:04.0 init finished in 2248 usecs

 1330 16:21:05.864130  PCI: 00:08.0 init ...

 1331 16:21:05.867513  PCI: 00:08.0 init finished in 2249 usecs

 1332 16:21:05.870422  PCI: 00:14.0 init ...

 1333 16:21:05.874087  PCI: 00:14.0 init finished in 2250 usecs

 1334 16:21:05.877351  PCI: 00:14.2 init ...

 1335 16:21:05.880590  PCI: 00:14.2 init finished in 2249 usecs

 1336 16:21:05.883766  PCI: 00:15.0 init ...

 1337 16:21:05.886834  DW I2C bus 0 at 0xd1132000 (400 KHz)

 1338 16:21:05.890441  PCI: 00:15.0 init finished in 5966 usecs

 1339 16:21:05.893492  PCI: 00:15.1 init ...

 1340 16:21:05.896681  DW I2C bus 1 at 0xd1133000 (400 KHz)

 1341 16:21:05.899903  PCI: 00:15.1 init finished in 5966 usecs

 1342 16:21:05.903737  PCI: 00:16.0 init ...

 1343 16:21:05.906992  PCI: 00:16.0 init finished in 2248 usecs

 1344 16:21:05.911240  PCI: 00:19.1 init ...

 1345 16:21:05.914469  DW I2C bus 5 at 0xd1136000 (400 KHz)

 1346 16:21:05.921089  PCI: 00:19.1 init finished in 5966 usecs

 1347 16:21:05.921164  PCI: 00:1c.0 init ...

 1348 16:21:05.924131  Initializing PCH PCIe bridge.

 1349 16:21:05.930460  PCI: 00:1c.0 init finished in 5287 usecs

 1350 16:21:05.934734  PCI: 00:1e.4 init ...

 1351 16:21:05.937953  PCI: 00:1e.4 init finished in 2250 usecs

 1352 16:21:05.941825  PCI: 00:1f.0 init ...

 1353 16:21:05.945177  IOAPIC: Initializing IOAPIC at 0xfec00000

 1354 16:21:05.951597  IOAPIC: Bootstrap Processor Local APIC = 0x00

 1355 16:21:05.951725  IOAPIC: ID = 0x02

 1356 16:21:05.954895  IOAPIC: Dumping registers

 1357 16:21:05.957937    reg 0x0000: 0x02000000

 1358 16:21:05.961499    reg 0x0001: 0x00770020

 1359 16:21:05.961571    reg 0x0002: 0x00000000

 1360 16:21:05.967917  PCI: 00:1f.0 init finished in 23457 usecs

 1361 16:21:05.971084  PCI: 00:1f.2 init ...

 1362 16:21:05.971155  RTC Init

 1363 16:21:05.974845  Set power on after power failure.

 1364 16:21:05.977795  Disabling ACPI via APMC:

 1365 16:21:05.981961  done.

 1366 16:21:05.982062  Disabling Deep S3

 1367 16:21:05.986059  Disabling Deep S3

 1368 16:21:05.986143  Enabling Deep S4

 1369 16:21:05.989346  Enabling Deep S4

 1370 16:21:05.989479  Enabling Deep S5

 1371 16:21:05.992364  Enabling Deep S5

 1372 16:21:05.996022  PCI: 00:1f.2 init finished in 23783 usecs

 1373 16:21:05.999113  PCI: 00:1f.4 init ...

 1374 16:21:06.002166  PCI: 00:1f.4 init finished in 2259 usecs

 1375 16:21:06.007201  PCI: 01:00.0 init ...

 1376 16:21:06.010462  PCI: 01:00.0 init finished in 2389 usecs

 1377 16:21:06.014784  PNP: 0c09.0 init ...

 1378 16:21:06.021487  Google Chrome EC: Hello got back 11223344 status (0)

 1379 16:21:06.024673  Google Chrome EC: version:

 1380 16:21:06.027777      ro: rammus_v2.0.387-f0df0fe2e

 1381 16:21:06.030974      rw: rammus_v2.0.425-6e0dd622e

 1382 16:21:06.035076    running image: 1

 1383 16:21:06.038320  EC returned error result code 1

 1384 16:21:06.041537  PNP: 0c09.0 init finished in 24416 usecs

 1385 16:21:06.044690  Devices initialized

 1386 16:21:06.044845  Show all devs... After init.

 1387 16:21:06.048044  Root Device: enabled 1

 1388 16:21:06.051276  CPU_CLUSTER: 0: enabled 1

 1389 16:21:06.054549  DOMAIN: 0000: enabled 1

 1390 16:21:06.054659  APIC: 00: enabled 1

 1391 16:21:06.057783  PCI: 00:00.0: enabled 1

 1392 16:21:06.061026  PCI: 00:02.0: enabled 1

 1393 16:21:06.064181  PCI: 00:14.0: enabled 1

 1394 16:21:06.064282  PCI: 00:14.1: enabled 0

 1395 16:21:06.067956  PCI: 00:14.2: enabled 1

 1396 16:21:06.070901  PCI: 00:15.0: enabled 1

 1397 16:21:06.070998  PCI: 00:15.1: enabled 1

 1398 16:21:06.074522  PCI: 00:15.2: enabled 0

 1399 16:21:06.077202  PCI: 00:15.3: enabled 0

 1400 16:21:06.080898  PCI: 00:16.0: enabled 1

 1401 16:21:06.080985  PCI: 00:16.1: enabled 0

 1402 16:21:06.084021  PCI: 00:16.2: enabled 0

 1403 16:21:06.087712  PCI: 00:16.3: enabled 0

 1404 16:21:06.090726  PCI: 00:16.4: enabled 0

 1405 16:21:06.090797  PCI: 00:17.0: enabled 0

 1406 16:21:06.094158  PCI: 00:19.0: enabled 1

 1407 16:21:06.097633  PCI: 00:19.1: enabled 1

 1408 16:21:06.100539  PCI: 00:19.2: enabled 0

 1409 16:21:06.100672  PCI: 00:1c.0: enabled 1

 1410 16:21:06.104267  PCI: 00:1c.1: enabled 0

 1411 16:21:06.107239  PCI: 00:1c.2: enabled 0

 1412 16:21:06.110869  PCI: 00:1c.3: enabled 0

 1413 16:21:06.111001  PCI: 00:1c.4: enabled 0

 1414 16:21:06.113802  PCI: 00:1c.5: enabled 0

 1415 16:21:06.117157  PCI: 00:1c.6: enabled 0

 1416 16:21:06.117282  PCI: 00:1c.7: enabled 0

 1417 16:21:06.120331  PCI: 00:1d.0: enabled 0

 1418 16:21:06.124087  PCI: 00:1d.1: enabled 0

 1419 16:21:06.127138  PCI: 00:1d.2: enabled 0

 1420 16:21:06.127275  PCI: 00:1d.3: enabled 0

 1421 16:21:06.130172  PCI: 00:1e.0: enabled 1

 1422 16:21:06.134089  PCI: 00:1e.1: enabled 0

 1423 16:21:06.137375  PCI: 00:1e.2: enabled 1

 1424 16:21:06.137472  PCI: 00:1e.3: enabled 0

 1425 16:21:06.140587  PCI: 00:1e.4: enabled 1

 1426 16:21:06.143645  PCI: 00:1e.5: enabled 0

 1427 16:21:06.146817  PCI: 00:1e.6: enabled 1

 1428 16:21:06.146917  PCI: 00:1f.0: enabled 1

 1429 16:21:06.150580  PCI: 00:1f.1: enabled 0

 1430 16:21:06.153960  PCI: 00:1f.2: enabled 1

 1431 16:21:06.157229  PCI: 00:1f.3: enabled 1

 1432 16:21:06.157310  PCI: 00:1f.4: enabled 1

 1433 16:21:06.160412  PCI: 00:1f.5: enabled 1

 1434 16:21:06.163526  PCI: 00:1f.6: enabled 0

 1435 16:21:06.163641  USB0 port 0: enabled 1

 1436 16:21:06.166880  I2C: 01:5c: enabled 1

 1437 16:21:06.170065  I2C: 02:15: enabled 1

 1438 16:21:06.173338  I2C: 03:39: enabled 1

 1439 16:21:06.173417  I2C: 03:3a: enabled 1

 1440 16:21:06.176525  I2C: 03:1a: enabled 1

 1441 16:21:06.179520  PCI: 01:00.0: enabled 1

 1442 16:21:06.179598  SPI: 00: enabled 1

 1443 16:21:06.183078  PNP: 0c09.0: enabled 1

 1444 16:21:06.186183  USB2 port 0: enabled 1

 1445 16:21:06.186286  USB2 port 1: enabled 1

 1446 16:21:06.190037  USB2 port 2: enabled 1

 1447 16:21:06.193170  USB2 port 4: enabled 1

 1448 16:21:06.193248  USB2 port 8: enabled 1

 1449 16:21:06.196329  APIC: 01: enabled 1

 1450 16:21:06.199531  APIC: 03: enabled 1

 1451 16:21:06.199609  APIC: 02: enabled 1

 1452 16:21:06.203224  PCI: 00:04.0: enabled 1

 1453 16:21:06.206106  PCI: 00:08.0: enabled 1

 1454 16:21:06.209434  FMAP: area RW_ELOG found @ 9f0000 (16384 bytes)

 1455 16:21:06.216341  ELOG: NV offset 0x9f0000 size 0x4000

 1456 16:21:06.222556  ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024

 1457 16:21:06.229501  ELOG: Event(17) added with size 13 at 2023-11-02 16:19:28 UTC

 1458 16:21:06.232821  POST: Unexpected post code in previous boot: 0x34

 1459 16:21:06.239601  ELOG: Event(A3) added with size 11 at 2023-11-02 16:19:28 UTC

 1460 16:21:06.245630  ELOG: Event(92) added with size 9 at 2023-11-02 16:19:28 UTC

 1461 16:21:06.252448  ELOG: Event(9A) added with size 9 at 2023-11-02 16:19:28 UTC

 1462 16:21:06.258950  ELOG: Event(AD) added with size 10 at 2023-11-02 16:19:28 UTC

 1463 16:21:06.265470  ELOG: Event(9F) added with size 14 at 2023-11-02 16:19:28 UTC

 1464 16:21:06.271895  BS: BS_DEV_INIT times (us): entry 0 run 416991 exit 60009

 1465 16:21:06.278941  ELOG: Event(A1) added with size 10 at 2023-11-02 16:19:29 UTC

 1466 16:21:06.285414  elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b

 1467 16:21:06.291720  ELOG: Event(A0) added with size 9 at 2023-11-02 16:19:29 UTC

 1468 16:21:06.295329  elog_add_boot_reason: Logged dev mode boot

 1469 16:21:06.298131  Finalize devices...

 1470 16:21:06.301552  Devices finalized

 1471 16:21:06.305254  FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes)

 1472 16:21:06.311774  BS: BS_POST_DEVICE times (us): entry 25551 run 3968 exit 5206

 1473 16:21:06.317868  BS: BS_OS_RESUME_CHECK times (us): entry 0 run 58 exit 0

 1474 16:21:06.324692  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1475 16:21:06.328017  CBFS: Locating 'fallback/dsdt.aml'

 1476 16:21:06.331094  CBFS: Found @ offset 19af40 size 4691

 1477 16:21:06.338180  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1478 16:21:06.341285  CBFS: Locating 'fallback/slic'

 1479 16:21:06.345064  CBFS: 'fallback/slic' not found.

 1480 16:21:06.351670  ACPI: Writing ACPI tables at 7aa9a000.

 1481 16:21:06.351769  ACPI:    * FACS

 1482 16:21:06.354700  ACPI:    * DSDT

 1483 16:21:06.358216  Ramoops buffer: 0x100000@0x7a999000.

 1484 16:21:06.361306  SGX: not enabled or not supported. skip gnvs fill

 1485 16:21:06.366361  ACPI:    * FADT

 1486 16:21:06.366443  SCI is IRQ9

 1487 16:21:06.373058  ACPI: added table 1/32, length now 40

 1488 16:21:06.373159  ACPI:     * SSDT

 1489 16:21:06.376201  Found 1 CPU(s) with 4 core(s) each.

 1490 16:21:06.382593  \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c

 1491 16:21:06.385795  \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15

 1492 16:21:06.392872  \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h

 1493 16:21:06.399370  \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah

 1494 16:21:06.405650  \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105

 1495 16:21:06.409128  Error: Could not locate 'wifi_sar' in VPD.

 1496 16:21:06.412376  Error: failed from getting SAR limits!

 1497 16:21:06.418658  \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0

 1498 16:21:06.422604  \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00

 1499 16:21:06.428619  \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0

 1500 16:21:06.435398  \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1

 1501 16:21:06.438887  \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2

 1502 16:21:06.445472  \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4

 1503 16:21:06.448652  \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8

 1504 16:21:06.455076  ACPI: added table 2/32, length now 44

 1505 16:21:06.455198  ACPI:    * MCFG

 1506 16:21:06.458224  ACPI: added table 3/32, length now 48

 1507 16:21:06.462060  ACPI:    * TPM2

 1508 16:21:06.465355  ACPI: added table 4/32, length now 52

 1509 16:21:06.465556  ACPI:    * MADT

 1510 16:21:06.468545  SCI is IRQ9

 1511 16:21:06.471389  ACPI: added table 5/32, length now 56

 1512 16:21:06.475267  current = 7aa9fa60

 1513 16:21:06.478454  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1514 16:21:06.485133  CBFS: Locating 'dmic-4ch-48khz-16b.bin'

 1515 16:21:06.487910  CBFS: Found @ offset 167000 size ba8

 1516 16:21:06.494977  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1517 16:21:06.498218  CBFS: Locating 'dmic-4ch-48khz-32b.bin'

 1518 16:21:06.501630  CBFS: Found @ offset 19f640 size ba8

 1519 16:21:06.507618  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1520 16:21:06.510945  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1521 16:21:06.514245  CBFS: Found @ offset 167cc0 size 64

 1522 16:21:06.520783  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1523 16:21:06.524547  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1524 16:21:06.530848  CBFS: Found @ offset 167cc0 size 64

 1525 16:21:06.534243  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1526 16:21:06.540598  CBFS: Locating 'max98927-render-2ch-48khz-24b.bin'

 1527 16:21:06.544247  CBFS: Found @ offset 167c00 size 64

 1528 16:21:06.550272  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1529 16:21:06.553659  CBFS: Locating 'max98927-render-2ch-48khz-16b.bin'

 1530 16:21:06.560367  CBFS: Found @ offset 103f00 size 64

 1531 16:21:06.563576  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1532 16:21:06.570089  CBFS: Locating 'max98927-render-2ch-48khz-16b.bin'

 1533 16:21:06.573885  CBFS: Found @ offset 103f00 size 64

 1534 16:21:06.573968  ACPI:    * NHLT

 1535 16:21:06.580329  ACPI: added table 6/32, length now 60

 1536 16:21:06.580412  ACPI:    * DMAR

 1537 16:21:06.583305  ACPI: added table 7/32, length now 64

 1538 16:21:06.586945  ACPI: * IGD OpRegion

 1539 16:21:06.590198  GMA: Found VBT in CBFS

 1540 16:21:06.593482  GMA: Found valid VBT in CBFS

 1541 16:21:06.593570  current = 7aaa3610

 1542 16:21:06.596808  ACPI: added table 8/32, length now 68

 1543 16:21:06.600032  ACPI:    * HPET

 1544 16:21:06.603353  ACPI: added table 9/32, length now 72

 1545 16:21:06.603441  ACPI: done.

 1546 16:21:06.606622  ACPI tables: 38592 bytes.

 1547 16:21:06.610036  smbios_write_tables: 7a998000

 1548 16:21:06.613223  Create SMBIOS type 17

 1549 16:21:06.616372  PCI: 01:00.0 (Intel WiFi)

 1550 16:21:06.616464  SMBIOS tables: 662 bytes.

 1551 16:21:06.623511  Writing table forward entry at 0x00000500

 1552 16:21:06.630096  Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532

 1553 16:21:06.633437  Writing coreboot table at 0x7aabe000

 1554 16:21:06.636619   0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES

 1555 16:21:06.642890   1. 0000000000001000-000000000009ffff: RAM

 1556 16:21:06.646506   2. 00000000000a0000-00000000000fffff: RESERVED

 1557 16:21:06.652934   3. 0000000000100000-000000007a997fff: RAM

 1558 16:21:06.656066   4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES

 1559 16:21:06.662943   5. 000000007ab06000-000000007abcffff: RAMSTAGE

 1560 16:21:06.669428   6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES

 1561 16:21:06.672816   7. 000000007b000000-000000007fffffff: RESERVED

 1562 16:21:06.676163   8. 00000000e0000000-00000000e3ffffff: RESERVED

 1563 16:21:06.682979   9. 00000000fe000000-00000000fe00ffff: RESERVED

 1564 16:21:06.685880  10. 00000000fed10000-00000000fed19fff: RESERVED

 1565 16:21:06.692470  11. 00000000fed80000-00000000fed84fff: RESERVED

 1566 16:21:06.696134  12. 00000000fed90000-00000000fed91fff: RESERVED

 1567 16:21:06.702614  13. 0000000100000000-000000017effffff: RAM

 1568 16:21:06.705859  Graphics framebuffer located at 0xc0000000

 1569 16:21:06.709176  Passing 6 GPIOs to payload:

 1570 16:21:06.712435              NAME |       PORT | POLARITY |     VALUE

 1571 16:21:06.718951     write protect |  undefined |     high |      high

 1572 16:21:06.725615          recovery |  undefined |     high |       low

 1573 16:21:06.729075               lid |  undefined |     high |      high

 1574 16:21:06.735581             power |  undefined |     high |       low

 1575 16:21:06.738984             oprom |  undefined |     high |       low

 1576 16:21:06.745649          EC in RW | 0x00000036 |     high |       low

 1577 16:21:06.745832  Board ID: 6

 1578 16:21:06.752127  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1579 16:21:06.758674  Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum 5b90

 1580 16:21:06.762364  coreboot table: 1468 bytes.

 1581 16:21:06.765542  IMD ROOT    0. 7afff000 00001000

 1582 16:21:06.768820  IMD SMALL   1. 7affe000 00001000

 1583 16:21:06.772023  FSP MEMORY  2. 7abfe000 00400000

 1584 16:21:06.775099  CONSOLE     3. 7abde000 00020000

 1585 16:21:06.778593  TIME STAMP  4. 7abdd000 00000910

 1586 16:21:06.781617  VBOOT       5. 7abdc000 00000c0c

 1587 16:21:06.785099  MRC DATA    6. 7abda000 00001878

 1588 16:21:06.788388  ROMSTG STCK 7. 7abd9000 00000400

 1589 16:21:06.791890  AFTER CAR   8. 7abd0000 00009000

 1590 16:21:06.795158  RAMSTAGE    9. 7ab05000 000cb000

 1591 16:21:06.798452  REFCODE    10. 7aad6000 0002f000

 1592 16:21:06.802011  SMM BACKUP 11. 7aac6000 00010000

 1593 16:21:06.805356  COREBOOT   12. 7aabe000 00008000

 1594 16:21:06.808765  ACPI       13. 7aa9a000 00024000

 1595 16:21:06.811843  ACPI GNVS  14. 7aa99000 00001000

 1596 16:21:06.814852  RAMOOPS    15. 7a999000 00100000

 1597 16:21:06.818293  SMBIOS     16. 7a998000 00000800

 1598 16:21:06.821817  IMD small region:

 1599 16:21:06.824870    IMD ROOT    0. 7affec00 00000400

 1600 16:21:06.828176    FSP RUNTIME 1. 7affebe0 00000004

 1601 16:21:06.831448    VBOOT SEL   2. 7affebc0 00000008

 1602 16:21:06.834642    EC HOSTEVENT 3. 7affeba0 00000008

 1603 16:21:06.837995    POWER STATE 4. 7affeb60 00000040

 1604 16:21:06.841189    ROMSTAGE    5. 7affeb40 00000004

 1605 16:21:06.844424    MEM INFO    6. 7affe980 000001a9

 1606 16:21:06.847800    VPD         7. 7affe920 00000058

 1607 16:21:06.851020    COREBOOTFWD 8. 7affe8e0 00000028

 1608 16:21:06.854318  MTRR: Physical address space:

 1609 16:21:06.861002  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1610 16:21:06.867462  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1611 16:21:06.874145  0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6

 1612 16:21:06.880587  0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0

 1613 16:21:06.887039  0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1

 1614 16:21:06.893620  0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0

 1615 16:21:06.897403  0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6

 1616 16:21:06.903469  MTRR: Fixed MSR 0x250 0x0606060606060606

 1617 16:21:06.907066  MTRR: Fixed MSR 0x258 0x0606060606060606

 1618 16:21:06.910045  MTRR: Fixed MSR 0x259 0x0000000000000000

 1619 16:21:06.913711  MTRR: Fixed MSR 0x268 0x0606060606060606

 1620 16:21:06.920123  MTRR: Fixed MSR 0x269 0x0606060606060606

 1621 16:21:06.923826  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1622 16:21:06.926628  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1623 16:21:06.929979  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1624 16:21:06.936395  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1625 16:21:06.939829  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1626 16:21:06.943366  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1627 16:21:06.946434  call enable_fixed_mtrr()

 1628 16:21:06.949601  CPU physical address size: 39 bits

 1629 16:21:06.956729  MTRR: default type WB/UC MTRR counts: 6/5.

 1630 16:21:06.959856  MTRR: UC selected as default type.

 1631 16:21:06.966496  MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6

 1632 16:21:06.969627  MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0

 1633 16:21:06.975999  MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0

 1634 16:21:06.983009  MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1

 1635 16:21:06.988983  MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6

 1636 16:21:06.992997  

 1637 16:21:06.993077  MTRR check

 1638 16:21:06.996192  Fixed MTRRs   : Enabled

 1639 16:21:06.996273  Variable MTRRs: Enabled

 1640 16:21:06.996336  

 1641 16:21:07.002747  MTRR: Fixed MSR 0x250 0x0606060606060606

 1642 16:21:07.005997  MTRR: Fixed MSR 0x258 0x0606060606060606

 1643 16:21:07.009113  MTRR: Fixed MSR 0x259 0x0000000000000000

 1644 16:21:07.012224  MTRR: Fixed MSR 0x268 0x0606060606060606

 1645 16:21:07.019258  MTRR: Fixed MSR 0x269 0x0606060606060606

 1646 16:21:07.022452  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1647 16:21:07.025525  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1648 16:21:07.029078  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1649 16:21:07.035802  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1650 16:21:07.038919  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1651 16:21:07.042249  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1652 16:21:07.049167  BS: BS_WRITE_TABLES times (us): entry 0 run 537408 exit 145984

 1653 16:21:07.052636  call enable_fixed_mtrr()

 1654 16:21:07.058834  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1655 16:21:07.062017  CPU physical address size: 39 bits

 1656 16:21:07.065363  CBFS: Locating 'fallback/payload'

 1657 16:21:07.069111  MTRR: Fixed MSR 0x250 0x0606060606060606

 1658 16:21:07.072289  MTRR: Fixed MSR 0x250 0x0606060606060606

 1659 16:21:07.078744  MTRR: Fixed MSR 0x258 0x0606060606060606

 1660 16:21:07.081932  MTRR: Fixed MSR 0x259 0x0000000000000000

 1661 16:21:07.085272  MTRR: Fixed MSR 0x268 0x0606060606060606

 1662 16:21:07.088589  MTRR: Fixed MSR 0x269 0x0606060606060606

 1663 16:21:07.091760  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1664 16:21:07.098275  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1665 16:21:07.101571  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1666 16:21:07.105529  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1667 16:21:07.108859  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1668 16:21:07.115258  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1669 16:21:07.118467  MTRR: Fixed MSR 0x258 0x0606060606060606

 1670 16:21:07.121544  MTRR: Fixed MSR 0x259 0x0000000000000000

 1671 16:21:07.128646  MTRR: Fixed MSR 0x268 0x0606060606060606

 1672 16:21:07.131887  MTRR: Fixed MSR 0x269 0x0606060606060606

 1673 16:21:07.134880  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1674 16:21:07.137893  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1675 16:21:07.141094  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1676 16:21:07.148039  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1677 16:21:07.151242  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1678 16:21:07.154507  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1679 16:21:07.158546  call enable_fixed_mtrr()

 1680 16:21:07.161773  call enable_fixed_mtrr()

 1681 16:21:07.164998  CPU physical address size: 39 bits

 1682 16:21:07.168088  CPU physical address size: 39 bits

 1683 16:21:07.171093  CBFS: Found @ offset 223040 size 360b4

 1684 16:21:07.177966  Checking segment from ROM address 0xfff23078

 1685 16:21:07.180881  Checking segment from ROM address 0xfff23094

 1686 16:21:07.184124  Loading segment from ROM address 0xfff23078

 1687 16:21:07.187599    code (compression=0)

 1688 16:21:07.197793    New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c

 1689 16:21:07.203757  Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c

 1690 16:21:07.207488  it's not compressed!

 1691 16:21:07.291474  [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0

 1692 16:21:07.298051  Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834

 1693 16:21:07.301147  Loading segment from ROM address 0xfff23094

 1694 16:21:07.304748    Entry Point 0x30104020

 1695 16:21:07.307811  Loaded segments

 1696 16:21:07.332623  Finalizing chipset.

 1697 16:21:07.339024  ME: Host Firmware Status Register 1 : 0x90000245

 1698 16:21:07.342942  ME: Host Firmware Status Register 2 : 0x6B000306

 1699 16:21:07.349342  ME: Host Firmware Status Register 3 : 0x00000020

 1700 16:21:07.352757  ME: Host Firmware Status Register 4 : 0x00084000

 1701 16:21:07.355677  ME: Host Firmware Status Register 5 : 0x00000000

 1702 16:21:07.362494  ME: Host Firmware Status Register 6 : 0x40000002

 1703 16:21:07.365711  ME: FW Partition Table      : OK

 1704 16:21:07.369042  ME: Bringup Loader Failure  : NO

 1705 16:21:07.372153  ME: Firmware Init Complete  : YES

 1706 16:21:07.375445  ME: Manufacturing Mode      : NO

 1707 16:21:07.378781  ME: Boot Options Present    : NO

 1708 16:21:07.381984  ME: Update In Progress      : NO

 1709 16:21:07.385330  ME: D3 Support              : NO

 1710 16:21:07.388636  ME: D0i3 Support            : YES

 1711 16:21:07.391837  ME: Low Power State Enabled : YES

 1712 16:21:07.395581  ME: CPU Replaced            : NO

 1713 16:21:07.398855  ME: CPU Replacement Valid   : YES

 1714 16:21:07.402285  ME: Current Working State   : Normal

 1715 16:21:07.405289  ME: Current Operation State : M0 with UMA

 1716 16:21:07.412246  ME: Current Operation Mode  : Normal

 1717 16:21:07.415531  ME: Error Code              : No Error

 1718 16:21:07.418772  ME: Progress Phase          : Host Communication

 1719 16:21:07.425080  ME: Power Management Event  : Power cycle reset through Moff

 1720 16:21:07.431500  ME: Progress Phase State    : Host communication established

 1721 16:21:07.434943  ME: Power Down Mitigation   : NO

 1722 16:21:07.438271  ME: FPF status              : fused

 1723 16:21:07.438379  Clearing MCA.

 1724 16:21:07.441409  Finalizing SMM.

 1725 16:21:07.448439  BS: BS_PAYLOAD_LOAD times (us): entry 656 run 258780 exit 135064

 1726 16:21:07.451476  mp_park_aps done after 0 msecs.

 1727 16:21:07.454807  Jumping to boot code at 30104020(7aabe000)

 1728 16:21:07.464498  CPU0: stack: 7ab46000 - 7ab47000, lowest used address 7ab46abc, stack used: 1348 bytes

 1729 16:21:07.464576  

 1730 16:21:07.464640  

 1731 16:21:07.464698  

 1732 16:21:07.467614  Starting depthcharge on rammus...

 1733 16:21:07.467728  

 1734 16:21:07.468078  end: 2.2.3 depthcharge-start (duration 00:00:12) [common]
 1735 16:21:07.468172  start: 2.2.4 bootloader-commands (timeout 00:04:43) [common]
 1736 16:21:07.468259  Setting prompt string to ['rammus:']
 1737 16:21:07.468354  bootloader-commands: Wait for prompt ['rammus:'] (timeout 00:04:43)
 1738 16:21:07.474651  WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime!

 1739 16:21:07.474756  

 1740 16:21:07.484584  WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime!

 1741 16:21:07.484667  

 1742 16:21:07.491002  The GBB signature is at 0x30004020 and is:  24 47 42 42

 1743 16:21:07.491083  

 1744 16:21:07.497533  [firmware-rammus-11275.B-collabora] Dec 11 2020 10:26:21

 1745 16:21:07.497614  

 1746 16:21:07.497677  

 1747 16:21:07.497734  

 1748 16:21:07.498003  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}']
 1750 16:21:07.598303  rammus: tftpboot 192.168.201.1 11931942/tftp-deploy-5lhhctw5/kernel/bzImage 11931942/tftp-deploy-5lhhctw5/kernel/cmdline 11931942/tftp-deploy-5lhhctw5/ramdisk/ramdisk.cpio.gz

 1751 16:21:07.598451  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}']
 1752 16:21:07.598535  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)
 1753 16:21:07.602844  tftpboot 192.168.201.1 11931942/tftp-deploy-5lhhctw5/kernel/bzIploy-5lhhctw5/kernel/cmdline 11931942/tftp-deploy-5lhhctw5/ramdisk/ramdisk.cpio.gz

 1754 16:21:07.602926  

 1755 16:21:07.602990  Waiting for link

 1756 16:21:08.111482  

 1757 16:21:08.111678  R8152: Initializing

 1758 16:21:08.111764  

 1759 16:21:08.114634  Version 9 (ocp_data = 6010)

 1760 16:21:08.114709  

 1761 16:21:08.117897  R8152: Done initializing

 1762 16:21:08.117973  

 1763 16:21:08.120995  Adding net device

 1764 16:21:08.321291  

 1765 16:21:08.321437  done.

 1766 16:21:08.321510  

 1767 16:21:08.321571  MAC: 00:e0:4c:68:0b:d9

 1768 16:21:08.321630  

 1769 16:21:08.324479  Sending DHCP discover... done.

 1770 16:21:08.324550  

 1771 16:21:08.327786  Waiting for reply... done.

 1772 16:21:08.327889  

 1773 16:21:08.330994  Sending DHCP request... done.

 1774 16:21:08.331092  

 1775 16:21:08.347312  Waiting for reply... done.

 1776 16:21:08.347416  

 1777 16:21:08.347545  My ip is 192.168.201.13

 1778 16:21:08.347673  

 1779 16:21:08.353916  The DHCP server ip is 192.168.201.1

 1780 16:21:08.353990  

 1781 16:21:08.357605  TFTP server IP predefined by user: 192.168.201.1

 1782 16:21:08.357680  

 1783 16:21:08.364221  Bootfile predefined by user: 11931942/tftp-deploy-5lhhctw5/kernel/bzImage

 1784 16:21:08.364297  

 1785 16:21:08.366828  Sending tftp read request... done.

 1786 16:21:08.366902  

 1787 16:21:08.370246  Waiting for the transfer... 

 1788 16:21:08.373348  

 1789 16:21:08.571787  00000000 ################################################################

 1790 16:21:08.575547  

 1791 16:21:08.777297  00080000 ################################################################

 1792 16:21:08.777439  

 1793 16:21:08.974958  00100000 ################################################################

 1794 16:21:08.978163  

 1795 16:21:09.177543  00180000 ################################################################

 1796 16:21:09.177691  

 1797 16:21:09.396825  00200000 ################################################################

 1798 16:21:09.396990  

 1799 16:21:09.607633  00280000 ################################################################

 1800 16:21:09.611008  

 1801 16:21:09.821092  00300000 ################################################################

 1802 16:21:09.821233  

 1803 16:21:10.019220  00380000 ################################################################

 1804 16:21:10.021844  

 1805 16:21:10.223832  00400000 ################################################################

 1806 16:21:10.223980  

 1807 16:21:10.422282  00480000 ################################################################

 1808 16:21:10.425975  

 1809 16:21:10.622541  00500000 ################################################################

 1810 16:21:10.625618  

 1811 16:21:10.822295  00580000 ################################################################

 1812 16:21:10.825132  

 1813 16:21:11.034190  00600000 ################################################################

 1814 16:21:11.037459  

 1815 16:21:11.246051  00680000 ################################################################

 1816 16:21:11.246198  

 1817 16:21:11.464409  00700000 ################################################################

 1818 16:21:11.464553  

 1819 16:21:11.686116  00780000 ################################################################

 1820 16:21:11.686259  

 1821 16:21:11.900518  00800000 ################################################################

 1822 16:21:11.903753  

 1823 16:21:12.125218  00880000 ################################################################

 1824 16:21:12.125378  

 1825 16:21:12.322498  00900000 ################################################################

 1826 16:21:12.322629  

 1827 16:21:12.535763  00980000 ################################################################

 1828 16:21:12.535894  

 1829 16:21:12.739955  00a00000 ################################################################

 1830 16:21:12.742951  

 1831 16:21:12.963011  00a80000 ################################################################

 1832 16:21:12.963145  

 1833 16:21:13.178154  00b00000 ################################################################

 1834 16:21:13.178288  

 1835 16:21:13.389090  00b80000 ################################################################

 1836 16:21:13.392108  

 1837 16:21:13.602688  00c00000 ################################################################

 1838 16:21:13.606112  

 1839 16:21:13.820969  00c80000 ################################################################

 1840 16:21:13.821098  

 1841 16:21:14.042994  00d00000 ################################################################

 1842 16:21:14.043123  

 1843 16:21:14.276277  00d80000 ################################################################

 1844 16:21:14.276411  

 1845 16:21:14.482557  00e00000 ################################################################

 1846 16:21:14.482691  

 1847 16:21:14.709743  00e80000 ################################################################

 1848 16:21:14.709875  

 1849 16:21:14.932536  00f00000 ################################################################

 1850 16:21:14.936228  

 1851 16:21:15.137500  00f80000 ################################################################

 1852 16:21:15.140824  

 1853 16:21:15.351620  01000000 ############################################################## done.

 1854 16:21:15.351790  

 1855 16:21:15.354573  The bootfile was 17277440 bytes long.

 1856 16:21:15.354660  

 1857 16:21:15.357770  Sending tftp read request... done.

 1858 16:21:15.357853  

 1859 16:21:15.361122  Waiting for the transfer... 

 1860 16:21:15.361202  

 1861 16:21:15.661741  00000000 ################################################################

 1862 16:21:15.661895  

 1863 16:21:15.898207  00080000 ################################################################

 1864 16:21:15.898341  

 1865 16:21:16.122205  00100000 ################################################################

 1866 16:21:16.125942  

 1867 16:21:16.341598  00180000 ################################################################

 1868 16:21:16.341733  

 1869 16:21:16.551020  00200000 ################################################################

 1870 16:21:16.551153  

 1871 16:21:16.751067  00280000 ################################################################

 1872 16:21:16.753967  

 1873 16:21:16.954381  00300000 ################################################################

 1874 16:21:16.954518  

 1875 16:21:17.204375  00380000 ################################################################

 1876 16:21:17.207569  

 1877 16:21:17.401925  00400000 ################################################################

 1878 16:21:17.402074  

 1879 16:21:17.602264  00480000 ################################################################

 1880 16:21:17.602414  

 1881 16:21:17.800235  00500000 ################################################################

 1882 16:21:17.800386  

 1883 16:21:17.994201  00580000 ################################################################

 1884 16:21:17.994348  

 1885 16:21:18.191956  00600000 ################################################################

 1886 16:21:18.192104  

 1887 16:21:18.411192  00680000 ################################################################

 1888 16:21:18.411324  

 1889 16:21:18.615273  00700000 ################################################################

 1890 16:21:18.615409  

 1891 16:21:18.839743  00780000 ################################################################

 1892 16:21:18.839878  

 1893 16:21:19.060701  00800000 ################################################################

 1894 16:21:19.060833  

 1895 16:21:19.268859  00880000 ################################################################

 1896 16:21:19.268996  

 1897 16:21:19.483845  00900000 ################################################################

 1898 16:21:19.483981  

 1899 16:21:19.707329  00980000 ################################################################

 1900 16:21:19.707466  

 1901 16:21:19.707590  00a00000 # done.

 1902 16:21:19.707706  

 1903 16:21:19.710180  Sending tftp read request... done.

 1904 16:21:19.710262  

 1905 16:21:19.713825  Waiting for the transfer... 

 1906 16:21:19.713916  

 1907 16:21:19.717085  00000000 # done.

 1908 16:21:19.717182  

 1909 16:21:19.726923  Command line loaded dynamically from TFTP file: 11931942/tftp-deploy-5lhhctw5/kernel/cmdline

 1910 16:21:19.727095  

 1911 16:21:19.756343  The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/11931942/extract-nfsrootfs-zrwzly19,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1912 16:21:19.760917  

 1913 16:21:19.764608  Shutting down all USB controllers.

 1914 16:21:19.764922  

 1915 16:21:19.765181  Removing current net device

 1916 16:21:19.765419  

 1917 16:21:19.767769  Finalizing coreboot

 1918 16:21:19.768120  

 1919 16:21:19.774196  Exiting depthcharge with code 4 at timestamp: 18539023

 1920 16:21:19.774666  

 1921 16:21:19.774999  

 1922 16:21:19.775305  Starting kernel ...

 1923 16:21:19.775601  

 1924 16:21:19.775972  

 1925 16:21:19.777463  end: 2.2.4 bootloader-commands (duration 00:00:12) [common]
 1926 16:21:19.777953  start: 2.2.5 auto-login-action (timeout 00:04:31) [common]
 1927 16:21:19.778321  Setting prompt string to ['Linux version [0-9]']
 1928 16:21:19.778660  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 16:21:19.779014  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 16:21:21.689070  

 1931 16:21:21.689995  start: 2.2.5.1 login-action (timeout 00:04:29) [common]
 1932 16:21:21.690410  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 16:21:21.690776  Setting prompt string to []
 1934 16:21:21.691161  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']
 1935 16:21:21.691504  Using line separator: #'\n'#
 1936 16:21:21.691829  No login prompt set.
 1937 16:21:21.692144  Parsing kernel messages
 1938 16:21:21.692423  ['-\\[ 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']
 1939 16:21:21.692946  [login-action] Waiting for messages, (timeout 00:04:29)
 1940 16:21:21.708721  <5>[    0.000000] Linux version 5.10.199-cip39 (KernelCI@build-j5190-x86-64-gcc-10-x86-64-defconfig-x86-board-gf9nl) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Nov 2 16:12:30 UTC 2023

 1941 16:21:21.741789  <6>[    0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/11931942/extract-nfsrootfs-zrwzly19,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1942 16:21:21.744657  <6>[    0.000000] BIOS-provided physical RAM map:

 1943 16:21:21.755060  <6>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16

 1944 16:21:21.761669  <6>[    0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable

 1945 16:21:21.768006  <6>[    0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved

 1946 16:21:21.777594  <6>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable

 1947 16:21:21.784405  <6>[    0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16

 1948 16:21:21.794471  <6>[    0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved

 1949 16:21:21.800935  <6>[    0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved

 1950 16:21:21.810280  <6>[    0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved

 1951 16:21:21.816891  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved

 1952 16:21:21.826817  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved

 1953 16:21:21.833352  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved

 1954 16:21:21.843140  <6>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable

 1955 16:21:21.846646  <6>[    0.000000] NX (Execute Disable) protection: active

 1956 16:21:21.849505  <6>[    0.000000] SMBIOS 2.7 present.

 1957 16:21:21.856614  <6>[    0.000000] DMI: Google Rammus/Rammus, BIOS  09/04/2020

 1958 16:21:21.863043  <6>[    0.000000] tsc: Detected 1600.000 MHz processor

 1959 16:21:21.866273  <6>[    0.000000] tsc: Detected 1599.960 MHz TSC

 1960 16:21:21.872965  <6>[    0.000043] last_pfn = 0x17f000 max_arch_pfn = 0x400000000

 1961 16:21:21.882615  <6>[    0.001109] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  

 1962 16:21:21.889029  <6>[    0.005622] last_pfn = 0x7a998 max_arch_pfn = 0x400000000

 1963 16:21:21.895558  <6>[    0.018924] check: Scanning 1 areas for low memory corruption

 1964 16:21:21.898869  <6>[    0.018934] Using GB pages for direct mapping

 1965 16:21:21.905240  <6>[    0.019354] RAMDISK: [mem 0x375ff000-0x37ffffff]

 1966 16:21:21.911934  <6>[    0.019360] ACPI: Early table checksum verification disabled

 1967 16:21:21.918602  <6>[    0.019366] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE  )

 1968 16:21:21.928613  <6>[    0.019376] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1969 16:21:21.938595  <6>[    0.019394] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 1970 16:21:21.948259  <6>[    0.019409] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531)

 1971 16:21:21.955019  <6>[    0.019419] ACPI: FACS 0x000000007AA9A240 000040

 1972 16:21:21.958455  <6>[    0.019427] ACPI: FACS 0x000000007AA9A240 000040

 1973 16:21:21.967938  <6>[    0.019436] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE   COREBOOT 0000002A CORE 0000002A)

 1974 16:21:21.977972  <6>[    0.019445] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1975 16:21:21.987911  <6>[    0.019454] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 1976 16:21:21.997939  <6>[    0.019463] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE   COREBOOT 00000000 CORE 00000000)

 1977 16:21:22.007946  <6>[    0.019472] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS   00000000 CORE 00000000)

 1978 16:21:22.017919  <6>[    0.019482] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1979 16:21:22.027697  <6>[    0.019491] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE   COREBOOT 00000000 CORE 00000000)

 1980 16:21:22.037434  <6>[    0.019500] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1981 16:21:22.047019  <6>[    0.019509] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63]

 1982 16:21:22.053499  <6>[    0.019513] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962]

 1983 16:21:22.063106  <6>[    0.019517] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f]

 1984 16:21:22.070179  <6>[    0.019520] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f]

 1985 16:21:22.079980  <6>[    0.019524] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969]

 1986 16:21:22.086534  <6>[    0.019527] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab]

 1987 16:21:22.096512  <6>[    0.019531] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef]

 1988 16:21:22.102881  <6>[    0.019535] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b]

 1989 16:21:22.112500  <6>[    0.019538] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b]

 1990 16:21:22.119759  <6>[    0.019542] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607]

 1991 16:21:22.129072  <6>[    0.019545] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670]

 1992 16:21:22.135927  <6>[    0.019549] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7]

 1993 16:21:22.142662  <6>[    0.019677] No NUMA configuration found

 1994 16:21:22.149133  <6>[    0.019681] Faking a node at [mem 0x0000000000000000-0x000000017effffff]

 1995 16:21:22.155498  <6>[    0.019690] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff]

 1996 16:21:22.158938  <6>[    0.019725] Zone ranges:

 1997 16:21:22.165649  <6>[    0.019729]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]

 1998 16:21:22.171893  <6>[    0.019735]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]

 1999 16:21:22.181536  <6>[    0.019740]   Normal   [mem 0x0000000100000000-0x000000017effffff]

 2000 16:21:22.184809  <6>[    0.019746] Movable zone start for each node

 2001 16:21:22.191962  <6>[    0.019749] Early memory node ranges

 2002 16:21:22.198401  <6>[    0.019753]   node   0: [mem 0x0000000000001000-0x000000000009ffff]

 2003 16:21:22.205024  <6>[    0.019757]   node   0: [mem 0x0000000000100000-0x000000007a997fff]

 2004 16:21:22.211702  <6>[    0.019760]   node   0: [mem 0x0000000100000000-0x000000017effffff]

 2005 16:21:22.221567  <6>[    0.019765] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff]

 2006 16:21:22.228115  <6>[    0.019792] On node 0, zone DMA: 1 pages in unavailable ranges

 2007 16:21:22.234546  <6>[    0.019828] On node 0, zone DMA: 96 pages in unavailable ranges

 2008 16:21:22.240645  <6>[    0.029693] On node 0, zone Normal: 22120 pages in unavailable ranges

 2009 16:21:22.247490  <6>[    0.029754] On node 0, zone Normal: 4096 pages in unavailable ranges

 2010 16:21:22.257340  <6>[    0.029776] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff]

 2011 16:21:22.260554  <6>[    0.030117] ACPI: PM-Timer IO Port: 0x1808

 2012 16:21:22.270593  <6>[    0.030167] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119

 2013 16:21:22.277167  <6>[    0.030177] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)

 2014 16:21:22.284103  <6>[    0.030182] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)

 2015 16:21:22.290503  <6>[    0.030193] Using ACPI (MADT) for SMP configuration information

 2016 16:21:22.297302  <6>[    0.030198] ACPI: HPET id: 0x8086a701 base: 0xfed00000

 2017 16:21:22.303300  <6>[    0.030204] TSC deadline timer available

 2018 16:21:22.309695  <6>[    0.030208] smpboot: Allowing 4 CPUs, 0 hotplug CPUs

 2019 16:21:22.316952  <6>[    0.030232] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]

 2020 16:21:22.326814  <6>[    0.030237] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff]

 2021 16:21:22.332907  <6>[    0.030241] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff]

 2022 16:21:22.342652  <6>[    0.030244] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff]

 2023 16:21:22.353420  <6>[    0.030248] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff]

 2024 16:21:22.359587  <6>[    0.030251] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff]

 2025 16:21:22.369236  <6>[    0.030254] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff]

 2026 16:21:22.379197  <6>[    0.030258] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff]

 2027 16:21:22.385670  <6>[    0.030261] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff]

 2028 16:21:22.395726  <6>[    0.030264] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff]

 2029 16:21:22.405481  <6>[    0.030268] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff]

 2030 16:21:22.415058  <6>[    0.030271] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff]

 2031 16:21:22.421598  <6>[    0.030274] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff]

 2032 16:21:22.431815  <6>[    0.030277] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff]

 2033 16:21:22.441161  <6>[    0.030281] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff]

 2034 16:21:22.447805  <6>[    0.030287] [mem 0x80000000-0xdfffffff] available for PCI devices

 2035 16:21:22.457775  <6>[    0.030293] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns

 2036 16:21:22.467700  <6>[    0.043499] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1

 2037 16:21:22.474107  <6>[    0.043719] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288

 2038 16:21:22.483723  <6>[    0.043782] Built 1 zonelists, mobility grouping on.  Total pages: 1006266

 2039 16:21:22.486937  <6>[    0.043786] Policy zone: Normal

 2040 16:21:22.516617  <5>[    0.043797] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/11931942/extract-nfsrootfs-zrwzly19,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2041 16:21:22.526581  <6>[    0.044249] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)

 2042 16:21:22.536862  <6>[    0.044453] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)

 2043 16:21:22.543321  <6>[    0.044525] mem auto-init: stack:off, heap alloc:off, heap free:off

 2044 16:21:22.559361  <6>[    0.062670] Memory: 3876300K/4089052K available (22546K kernel code, 3713K rwdata, 10972K rodata, 2168K init, 13956K bss, 212492K reserved, 0K cma-reserved)

 2045 16:21:22.566263  <6>[    0.062785] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

 2046 16:21:22.573221  <6>[    0.062833] Kernel/User page tables isolation: enabled

 2047 16:21:22.579599  <6>[    0.062927] ftrace: allocating 61869 entries in 242 pages

 2048 16:21:22.586233  <6>[    0.114574] ftrace: allocated 242 pages with 5 groups

 2049 16:21:22.589164  <6>[    0.114796] Running RCU self tests

 2050 16:21:22.595812  <6>[    0.114809] rcu: Hierarchical RCU implementation.

 2051 16:21:22.602391  <6>[    0.114812] rcu: 	RCU event tracing is enabled.

 2052 16:21:22.605499  <6>[    0.114816] rcu: 	RCU lockdep checking is enabled.

 2053 16:21:22.615286  <6>[    0.114819] rcu: 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4.

 2054 16:21:22.619143  <6>[    0.114823] 	Rude variant of Tasks RCU enabled.

 2055 16:21:22.625678  <6>[    0.114827] 	Tracing variant of Tasks RCU enabled.

 2056 16:21:22.635676  <6>[    0.114831] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.

 2057 16:21:22.642144  <6>[    0.114834] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4

 2058 16:21:22.648369  <6>[    0.122361] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16

 2059 16:21:22.651567  <5>[    0.122765] random: crng init done

 2060 16:21:22.658745  <6>[    0.122850] Console: colour dummy device 80x25

 2061 16:21:22.661410  <6>[    0.196237] printk: console [ttyS0] enabled

 2062 16:21:22.671621  <4>[    0.196626] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

 2063 16:21:22.678554  <4>[    0.197309] ... MAX_LOCKDEP_SUBCLASSES:  8

 2064 16:21:22.681723  <4>[    0.197690] ... MAX_LOCK_DEPTH:          48

 2065 16:21:22.688162  <4>[    0.198073] ... MAX_LOCKDEP_KEYS:        8192

 2066 16:21:22.691535  <4>[    0.198476] ... CLASSHASH_SIZE:          4096

 2067 16:21:22.698131  <4>[    0.198873] ... MAX_LOCKDEP_ENTRIES:     32768

 2068 16:21:22.704604  <4>[    0.199278] ... MAX_LOCKDEP_CHAINS:      65536

 2069 16:21:22.708308  <4>[    0.199688] ... CHAINHASH_SIZE:          32768

 2070 16:21:22.714400  <4>[    0.200093]  memory used by lock dependency info: 6365 kB

 2071 16:21:22.721161  <4>[    0.200582]  memory used for stack traces: 4224 kB

 2072 16:21:22.727749  <4>[    0.201020]  per task-struct memory footprint: 1920 bytes

 2073 16:21:22.730866  <6>[    0.201555] ACPI: Core revision 20200925

 2074 16:21:22.737246  <6>[    0.202104] hpet: HPET dysfunctional in PC10. Force disabled.

 2075 16:21:22.743813  <6>[    0.202625] APIC: Switch to symmetric I/O mode setup

 2076 16:21:22.757023  <6>[    0.207108] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns

 2077 16:21:22.766780  <6>[    0.208044] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960)

 2078 16:21:22.773255  <6>[    0.209027] mce: CPU0: Thermal monitoring enabled (TM1)

 2079 16:21:22.779659  <6>[    0.209030] process: using mwait in idle threads

 2080 16:21:22.786692  <6>[    0.209030] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8

 2081 16:21:22.793229  <6>[    0.209030] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4

 2082 16:21:22.802901  <6>[    0.209030] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization

 2083 16:21:22.806311  <6>[    0.209030] Spectre V2 : Mitigation: IBRS

 2084 16:21:22.815872  <6>[    0.209030] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch

 2085 16:21:22.825444  <6>[    0.209030] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT

 2086 16:21:22.828727  <6>[    0.209030] RETBleed: Mitigation: IBRS

 2087 16:21:22.839059  <6>[    0.209030] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier

 2088 16:21:22.845409  <6>[    0.209030] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl

 2089 16:21:22.858812  <6>[    0.209030] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp

 2090 16:21:22.864965  <6>[    0.209030] MDS: Vulnerable: Clear CPU buffers attempted, no microcode

 2091 16:21:22.875393  <6>[    0.209030] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode

 2092 16:21:22.878388  <6>[    0.209030] SRBDS: Vulnerable: No microcode

 2093 16:21:22.885178  <6>[    0.209030] GDS: Vulnerable: No microcode

 2094 16:21:22.891672  <6>[    0.209030] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'

 2095 16:21:22.901591  <6>[    0.209030] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'

 2096 16:21:22.908359  <6>[    0.209030] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'

 2097 16:21:22.914828  <6>[    0.209030] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'

 2098 16:21:22.921088  <6>[    0.209030] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'

 2099 16:21:22.931200  <6>[    0.209030] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256

 2100 16:21:22.938130  <6>[    0.209030] x86/fpu: xstate_offset[3]:  832, xstate_sizes[3]:   64

 2101 16:21:22.944373  <6>[    0.209030] x86/fpu: xstate_offset[4]:  896, xstate_sizes[4]:   64

 2102 16:21:22.954606  <6>[    0.209030] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format.

 2103 16:21:22.961026  <4>[    0.209030] ------------[ cut here ]------------

 2104 16:21:22.962192  Setting prompt string to ['-+\\[ end trace \\w* \\]-+[^\\n]*\\r', '/ #', 'Login timed out', 'Login incorrect']
 2105 16:21:22.974379  <4>[    0.209030] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00

 2106 16:21:22.983811  <4>[    0.209030] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220

 2107 16:21:22.986939  <4>[    0.209030] Modules linked in:

 2108 16:21:22.993854  <4>[    0.209030] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.199-cip39 #1

 2109 16:21:23.000042  <4>[    0.209030] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 2110 16:21:23.006599  <4>[    0.209030] RIP: 0010:apply_returns+0x1f5/0x220

 2111 16:21:23.029800  <4>[    0.209030] Code: 67 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 40 e8 c7 9a c6 05 c0 14 67 02 01 e8 3d fc 15 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc

 2112 16:21:23.032809  <4>[    0.209030] RSP: 0000:ffffffff9b003e28 EFLAGS: 00010282

 2113 16:21:23.042908  <4>[    0.209030] RAX: 0000000000000000 RBX: ffffffff9bc2c164 RCX: 0000000000000000

 2114 16:21:23.049304  <4>[    0.209030] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff98d77b91

 2115 16:21:23.059175  <4>[    0.209030] RBP: ffffffff9a8f8240 R08: 0000000000000001 R09: 0000000000000001

 2116 16:21:23.065920  <4>[    0.209030] R10: ffffffff9b08fec0 R11: 3fffffffffffffff R12: ffffffff9bc4549c

 2117 16:21:23.075814  <4>[    0.209030] R13: cccccccccccccccc R14: ffffffff9a8f8245 R15: 0000000000000004

 2118 16:21:23.085707  <4>[    0.209030] FS:  0000000000000000(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 2119 16:21:23.092291  <4>[    0.209030] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 2120 16:21:23.098853  <4>[    0.209030] CR2: ffff98f13efff000 CR3: 0000000033c26001 CR4: 00000000003706f0

 2121 16:21:23.102353  <4>[    0.209030] Call Trace:

 2122 16:21:23.105489  <4>[    0.209030]  ? __warn+0x80/0x110

 2123 16:21:23.112019  <4>[    0.209030]  ? apply_returns+0x1f5/0x220

 2124 16:21:23.115248  <4>[    0.209030]  ? report_bug+0x9e/0xc0

 2125 16:21:23.118554  <4>[    0.209030]  ? handle_bug+0x41/0x90

 2126 16:21:23.125182  <4>[    0.209030]  ? exc_invalid_op+0x14/0x70

 2127 16:21:23.128294  <4>[    0.209030]  ? asm_exc_invalid_op+0x12/0x20

 2128 16:21:23.134884  <4>[    0.209030]  ? console_unlock+0x4d1/0x5f0

 2129 16:21:23.138307  <4>[    0.209030]  ? apply_returns+0x1f5/0x220

 2130 16:21:23.144592  <4>[    0.209030]  ? apply_returns+0x1f5/0x220

 2131 16:21:23.148126  <4>[    0.209030]  alternative_instructions+0x7d/0x143

 2132 16:21:23.154830  <4>[    0.209030]  arch_cpu_finalize_init+0x28/0x47

 2133 16:21:23.157399  <4>[    0.209030]  start_kernel+0x4a3/0x54d

 2134 16:21:23.163876  <4>[    0.209030]  secondary_startup_64_no_verify+0xc2/0xcb

 2135 16:21:23.167155  <4>[    0.209030] irq event stamp: 200365

 2136 16:21:23.177496  <4>[    0.209030] hardirqs last  enabled at (200373): [<ffffffff98d77b91>] console_unlock+0x4d1/0x5f0

 2137 16:21:23.187314  <4>[    0.209030] hardirqs last disabled at (200380): [<ffffffff98d77b04>] console_unlock+0x444/0x5f0

 2138 16:21:23.196714  <4>[    0.209030] softirqs last  enabled at (0): [<0000000000000000>] 0x0

 2139 16:21:23.203737  <4>[    0.209030] softirqs last disabled at (0): [<0000000000000000>] 0x0

 2140 16:21:23.210158  <4>[    0.209030] ---[ end trace 2116846283a51492 ]---

 2141 16:21:23.210626  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']
 2142 16:21:23.210782  login-action: kernel 'warning'
 2143 16:21:23.210909  [login-action] Waiting for messages, (timeout 00:04:27)
 2144 16:21:23.213408  <6>[    0.209030] Freeing SMP alternatives memory: 48K

 2145 16:21:23.220089  <6>[    0.209030] pid_max: default: 32768 minimum: 301

 2146 16:21:23.226515  <6>[    0.209030] LSM: Security Framework initializing

 2147 16:21:23.229778  <6>[    0.209030] SELinux:  Initializing.

 2148 16:21:23.233099  <6>[    0.209030] LSM support for eBPF active

 2149 16:21:23.243418  <6>[    0.209030] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2150 16:21:23.252646  <6>[    0.209030] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2151 16:21:23.262640  <6>[    0.209030] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9)

 2152 16:21:23.275595  <6>[    0.209498] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver.

 2153 16:21:23.279215  <6>[    0.210042] ... version:                4

 2154 16:21:23.285516  <6>[    0.210419] ... bit width:              48

 2155 16:21:23.289121  <6>[    0.210801] ... generic registers:      4

 2156 16:21:23.295520  <6>[    0.211035] ... value mask:             0000ffffffffffff

 2157 16:21:23.302076  <6>[    0.211519] ... max period:             00007fffffffffff

 2158 16:21:23.305366  <6>[    0.212001] ... fixed-purpose events:   3

 2159 16:21:23.311788  <6>[    0.212034] ... event mask:             000000070000000f

 2160 16:21:23.318704  <6>[    0.212936] rcu: Hierarchical SRCU implementation.

 2161 16:21:23.321656  <6>[    0.214656] smp: Bringing up secondary CPUs ...

 2162 16:21:23.328608  <6>[    0.215583] x86: Booting SMP configuration:

 2163 16:21:23.331992  <6>[    0.215992] .... node  #0, CPUs:      #1

 2164 16:21:23.347754  <4>[    0.216366] 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.

 2165 16:21:23.367777  <4>[    0.218036] 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.

 2166 16:21:23.371057  <4>[    0.219482]  #2 #3

 2167 16:21:23.374291  <6>[    0.221441] smp: Brought up 1 node, 4 CPUs

 2168 16:21:23.380799  <6>[    0.222036] smpboot: Max logical packages: 1

 2169 16:21:23.387655  <6>[    0.222437] smpboot: Total of 4 processors activated (12799.68 BogoMIPS)

 2170 16:21:23.390606  <6>[    0.225350] devtmpfs: initialized

 2171 16:21:23.397154  <6>[    0.225614] x86/mm: Memory block size: 128MB

 2172 16:21:23.407183  <6>[    0.229105] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns

 2173 16:21:23.417442  <6>[    0.230051] futex hash table entries: 1024 (order: 5, 131072 bytes, linear)

 2174 16:21:23.423530  <6>[    0.231056] pinctrl core: initialized pinctrl subsystem

 2175 16:21:23.426896  <6>[    0.232401] PM: RTC time: 16:19:43, date: 2023-11-02

 2176 16:21:23.433390  <6>[    0.233348] NET: Registered protocol family 16

 2177 16:21:23.439971  <6>[    0.234383] audit: initializing netlink subsys (disabled)

 2178 16:21:23.449756  <5>[    0.234902] audit: type=2000 audit(1698941983.026:1): state=initialized audit_enabled=0 res=1

 2179 16:21:23.456288  <6>[    0.235539] thermal_sys: Registered thermal governor 'step_wise'

 2180 16:21:23.463286  <6>[    0.235740] thermal_sys: Registered thermal governor 'user_space'

 2181 16:21:23.469811  <6>[    0.236100] cpuidle: using governor menu

 2182 16:21:23.473067  <6>[    0.237154] ACPI: bus type PCI registered

 2183 16:21:23.482729  <6>[    0.237832] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000)

 2184 16:21:23.492684  <6>[    0.238041] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820

 2185 16:21:23.499454  <6>[    0.238674] PCI: Using configuration type 1 for base access

 2186 16:21:23.502790  <6>[    0.267553] Kprobes globally optimized

 2187 16:21:23.512666  <6>[    0.268150] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages

 2188 16:21:23.519171  <6>[    0.268150] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages

 2189 16:21:23.525940  <6>[    0.269094] cryptomgr_test (39) used greatest stack depth: 15272 bytes left

 2190 16:21:23.535752  <6>[    0.270095] cryptomgr_test (38) used greatest stack depth: 14880 bytes left

 2191 16:21:23.538860  <6>[    0.273067] ACPI: Added _OSI(Module Device)

 2192 16:21:23.545464  <6>[    0.273461] ACPI: Added _OSI(Processor Device)

 2193 16:21:23.552209  <6>[    0.273873] ACPI: Added _OSI(3.0 _SCP Extensions)

 2194 16:21:23.558522  <6>[    0.274035] ACPI: Added _OSI(Processor Aggregator Device)

 2195 16:21:23.561675  <6>[    0.274529] ACPI: Added _OSI(Linux-Dell-Video)

 2196 16:21:23.568166  <6>[    0.274941] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)

 2197 16:21:23.574533  <6>[    0.275036] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)

 2198 16:21:23.581139  <6>[    0.285379] ACPI: 2 ACPI AML tables successfully acquired and loaded

 2199 16:21:23.584434  <6>[    0.292398] ACPI: EC: EC started

 2200 16:21:23.590724  <6>[    0.292728] ACPI: EC: interrupt blocked

 2201 16:21:23.597433  <6>[    0.293664] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2202 16:21:23.604081  <6>[    0.294038] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions

 2203 16:21:23.610392  <6>[    0.294695] ACPI: Interpreter enabled

 2204 16:21:23.613731  <6>[    0.295092] ACPI: (supports S0 S3 S4 S5)

 2205 16:21:23.620387  <6>[    0.295463] ACPI: Using IOAPIC for interrupt routing

 2206 16:21:23.630501  <6>[    0.295978] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug

 2207 16:21:23.636722  <6>[    0.309747] ACPI: Power Resource [PRIC] (on)

 2208 16:21:23.643272  <6>[    0.437455] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])

 2209 16:21:23.653602  <6>[    0.438022] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]

 2210 16:21:23.660633  <6>[    0.438276] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR]

 2211 16:21:23.673286  <6>[    0.438956] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge

 2212 16:21:23.676528  <6>[    0.439534] PCI host bridge to bus 0000:00

 2213 16:21:23.686305  <6>[    0.439922] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]

 2214 16:21:23.693382  <6>[    0.440037] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]

 2215 16:21:23.702790  <6>[    0.440645] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]

 2216 16:21:23.713037  <6>[    0.441035] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window]

 2217 16:21:23.719593  <6>[    0.441700] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window]

 2218 16:21:23.729422  <6>[    0.442035] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window]

 2219 16:21:23.735989  <6>[    0.442700] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window]

 2220 16:21:23.745854  <6>[    0.443035] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window]

 2221 16:21:23.756990  <6>[    0.443700] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window]

 2222 16:21:23.764274  <6>[    0.444035] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window]

 2223 16:21:23.771571  <6>[    0.444700] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window]

 2224 16:21:23.779217  <6>[    0.445035] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window]

 2225 16:21:23.790635  <6>[    0.445699] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window]

 2226 16:21:23.798199  <6>[    0.446035] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window]

 2227 16:21:23.805420  <6>[    0.446700] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window]

 2228 16:21:23.816652  <6>[    0.447035] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window]

 2229 16:21:23.823866  <6>[    0.447700] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window]

 2230 16:21:23.833656  <6>[    0.448035] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window]

 2231 16:21:23.839929  <6>[    0.448714] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window]

 2232 16:21:23.850209  <6>[    0.449035] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window]

 2233 16:21:23.856800  <6>[    0.449701] pci_bus 0000:00: root bus resource [bus 00-ff]

 2234 16:21:23.863416  <6>[    0.450115] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000

 2235 16:21:23.870151  <6>[    0.451535] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000

 2236 16:21:23.879434  <6>[    0.452055] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit]

 2237 16:21:23.886168  <6>[    0.452673] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref]

 2238 16:21:23.892931  <6>[    0.453042] pci 0000:00:02.0: reg 0x20: [io  0x1c00-0x1c3f]

 2239 16:21:23.899460  <6>[    0.454078] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000

 2240 16:21:23.909673  <6>[    0.454641] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit]

 2241 16:21:23.916319  <6>[    0.455660] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000

 2242 16:21:23.922859  <6>[    0.456057] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit]

 2243 16:21:23.929548  <6>[    0.457213] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330

 2244 16:21:23.939202  <6>[    0.457781] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit]

 2245 16:21:23.945417  <6>[    0.458162] pci 0000:00:14.0: PME# supported from D3hot D3cold

 2246 16:21:23.952278  <6>[    0.459324] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000

 2247 16:21:23.958630  <6>[    0.459893] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit]

 2248 16:21:23.968738  <6>[    0.460614] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000

 2249 16:21:23.975018  <6>[    0.461078] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit]

 2250 16:21:23.981941  <6>[    0.462364] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000

 2251 16:21:23.991266  <6>[    0.462941] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit]

 2252 16:21:23.998461  <6>[    0.463753] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000

 2253 16:21:24.004169  <6>[    0.464078] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit]

 2254 16:21:24.014289  <6>[    0.464706] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit]

 2255 16:21:24.020858  <6>[    0.465699] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000

 2256 16:21:24.027486  <6>[    0.466079] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit]

 2257 16:21:24.034137  <6>[    0.467396] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400

 2258 16:21:24.040644  <6>[    0.468110] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold

 2259 16:21:24.050475  <6>[    0.469286] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000

 2260 16:21:24.057356  <6>[    0.469863] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit]

 2261 16:21:24.063875  <6>[    0.470727] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000

 2262 16:21:24.070129  <6>[    0.471078] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit]

 2263 16:21:24.080502  <6>[    0.472357] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501

 2264 16:21:24.086756  <6>[    0.472927] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit]

 2265 16:21:24.093081  <6>[    0.473794] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501

 2266 16:21:24.100161  <6>[    0.474071] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit]

 2267 16:21:24.109792  <6>[    0.475323] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100

 2268 16:21:24.116603  <6>[    0.476501] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000

 2269 16:21:24.122919  <6>[    0.477065] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff]

 2270 16:21:24.129563  <6>[    0.478249] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100

 2271 16:21:24.139428  <6>[    0.478824] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit]

 2272 16:21:24.145863  <6>[    0.479088] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit]

 2273 16:21:24.152478  <6>[    0.479781] pci 0000:00:1f.3: PME# supported from D3hot D3cold

 2274 16:21:24.159123  <6>[    0.480657] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500

 2275 16:21:24.169100  <6>[    0.481101] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit]

 2276 16:21:24.175558  <6>[    0.481776] pci 0000:00:1f.4: reg 0x20: [io  0xefa0-0xefbf]

 2277 16:21:24.181883  <6>[    0.482644] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000

 2278 16:21:24.188472  <6>[    0.483063] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff]

 2279 16:21:24.195539  <6>[    0.484528] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000

 2280 16:21:24.201915  <6>[    0.485227] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit]

 2281 16:21:24.211790  <6>[    0.486682] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold

 2282 16:21:24.214895  <6>[    0.488657] pci 0000:00:1c.0: PCI bridge to [bus 01]

 2283 16:21:24.224650  <6>[    0.489049] pci 0000:00:1c.0:   bridge window [mem 0xd1000000-0xd10fffff]

 2284 16:21:24.231486  <6>[    0.490750] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11

 2285 16:21:24.241385  <6>[    0.491267] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15)

 2286 16:21:24.247351  <6>[    0.492113] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11

 2287 16:21:24.254586  <6>[    0.492982] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11

 2288 16:21:24.263905  <6>[    0.493265] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11

 2289 16:21:24.270420  <6>[    0.494131] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11

 2290 16:21:24.280153  <6>[    0.494997] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11

 2291 16:21:24.287211  <6>[    0.495259] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11

 2292 16:21:24.293760  <6>[    0.500843] ACPI: EC: interrupt unblocked

 2293 16:21:24.297173  <6>[    0.501034] ACPI: EC: event unblocked

 2294 16:21:24.303805  <6>[    0.501392] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2295 16:21:24.306578  <6>[    0.501859] ACPI: EC: GPE=0x6e

 2296 16:21:24.313589  <6>[    0.502038] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete

 2297 16:21:24.324027  <6>[    0.502667] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events

 2298 16:21:24.329880  <6>[    0.503375] iommu: Default domain type: Translated 

 2299 16:21:24.336247  <6>[    0.504160] pci 0000:00:02.0: vgaarb: setting as boot VGA device

 2300 16:21:24.346502  <6>[    0.504646] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none

 2301 16:21:24.352761  <6>[    0.505059] pci 0000:00:02.0: vgaarb: bridge control possible

 2302 16:21:24.356354  <6>[    0.505580] vgaarb: loaded

 2303 16:21:24.359319  <5>[    0.506327] SCSI subsystem initialized

 2304 16:21:24.366028  <6>[    0.506707] ACPI: bus type USB registered

 2305 16:21:24.372698  <6>[    0.507168] usbcore: registered new interface driver usbfs

 2306 16:21:24.379270  <6>[    0.507716] usbcore: registered new interface driver hub

 2307 16:21:24.382495  <6>[    0.508065] usbcore: registered new device driver usb

 2308 16:21:24.388900  <6>[    0.508619] mc: Linux media interface: v0.10

 2309 16:21:24.395388  <6>[    0.509041] videodev: Linux video capture interface: v2.00

 2310 16:21:24.402404  <6>[    0.509564] pps_core: LinuxPPS API ver. 1 registered

 2311 16:21:24.412398  <6>[    0.510020] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

 2312 16:21:24.415698  <6>[    0.510043] PTP clock support registered

 2313 16:21:24.425095  <6>[    0.510467] Advanced Linux Sound Architecture Driver Initialized.

 2314 16:21:24.428714  <6>[    0.511858] NetLabel: Initializing

 2315 16:21:24.431871  <6>[    0.512035] NetLabel:  domain hash size = 128

 2316 16:21:24.438020  <6>[    0.512441] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO

 2317 16:21:24.444492  <6>[    0.513018] NetLabel:  unlabeled traffic allowed by default

 2318 16:21:24.451274  <6>[    0.513151] PCI: Using ACPI for IRQ routing

 2319 16:21:24.457577  <6>[    0.521222] clocksource: Switched to clocksource tsc-early

 2320 16:21:24.461500  <5>[    0.847793] VFS: Disk quotas dquot_6.6.0

 2321 16:21:24.470748  <6>[    0.848201] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

 2322 16:21:24.474363  <6>[    0.849153] pnp: PnP ACPI init

 2323 16:21:24.480552  <6>[    0.850065] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved

 2324 16:21:24.490415  <6>[    0.850677] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved

 2325 16:21:24.496945  <6>[    0.851272] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved

 2326 16:21:24.503544  <6>[    0.851876] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved

 2327 16:21:24.513363  <6>[    0.852482] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved

 2328 16:21:24.520067  <6>[    0.853077] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved

 2329 16:21:24.526692  <6>[    0.853710] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved

 2330 16:21:24.536610  <6>[    0.854344] system 00:00: [mem 0xff000000-0xffffffff] has been reserved

 2331 16:21:24.543131  <6>[    0.854941] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved

 2332 16:21:24.549668  <6>[    0.855546] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved

 2333 16:21:24.559427  <6>[    0.856845] system 00:01: [io  0x1800-0x18fe] has been reserved

 2334 16:21:24.565988  <6>[    0.857678] system 00:03: [io  0x0900-0x09fe] has been reserved

 2335 16:21:24.572789  <6>[    0.858410] system 00:04: [io  0x0200] has been reserved

 2336 16:21:24.575847  <6>[    0.858897] system 00:04: [io  0x0204] has been reserved

 2337 16:21:24.586341  <6>[    0.859394] system 00:04: [io  0x0800-0x087f] has been reserved

 2338 16:21:24.592870  <6>[    0.859932] system 00:04: [io  0x0880-0x08ff] has been reserved

 2339 16:21:24.596258  <6>[    0.862755] pnp: PnP ACPI: found 6 devices

 2340 16:21:24.606110  <6>[    0.874674] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns

 2341 16:21:24.612365  <6>[    0.875559] NET: Registered protocol family 2

 2342 16:21:24.618940  <6>[    0.876103] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)

 2343 16:21:24.629091  <6>[    0.878056] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear)

 2344 16:21:24.638829  <6>[    0.879007] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)

 2345 16:21:24.648443  <6>[    0.879874] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear)

 2346 16:21:24.655084  <6>[    0.882096] TCP: Hash tables configured (established 32768 bind 32768)

 2347 16:21:24.664550  <6>[    0.882940] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear)

 2348 16:21:24.671208  <6>[    0.883841] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2349 16:21:24.681294  <6>[    0.884670] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2350 16:21:24.684646  <6>[    0.885629] NET: Registered protocol family 1

 2351 16:21:24.691137  <6>[    0.886555] RPC: Registered named UNIX socket transport module.

 2352 16:21:24.697593  <6>[    0.887112] RPC: Registered udp transport module.

 2353 16:21:24.704311  <6>[    0.887561] RPC: Registered tcp transport module.

 2354 16:21:24.710915  <6>[    0.887995] RPC: Registered tcp NFSv4.1 backchannel transport module.

 2355 16:21:24.717620  <6>[    0.889030] NET: Registered protocol family 44

 2356 16:21:24.721119  <6>[    0.889474] pci 0000:00:1c.0: PCI bridge to [bus 01]

 2357 16:21:24.730963  <6>[    0.889946] pci 0000:00:1c.0:   bridge window [mem 0xd1000000-0xd10fffff]

 2358 16:21:24.737413  <6>[    0.890577] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]

 2359 16:21:24.744201  <6>[    0.891132] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]

 2360 16:21:24.753445  <6>[    0.891694] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]

 2361 16:21:24.760590  <6>[    0.892362] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window]

 2362 16:21:24.770073  <6>[    0.892977] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window]

 2363 16:21:24.776520  <6>[    0.893600] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window]

 2364 16:21:24.783122  <6>[    0.894215] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window]

 2365 16:21:24.793243  <6>[    0.894843] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window]

 2366 16:21:24.799263  <6>[    0.895475] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window]

 2367 16:21:24.809674  <6>[    0.896097] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window]

 2368 16:21:24.816104  <6>[    0.896725] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window]

 2369 16:21:24.826058  <6>[    0.897356] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window]

 2370 16:21:24.832428  <6>[    0.897979] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window]

 2371 16:21:24.842525  <6>[    0.898638] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window]

 2372 16:21:24.849153  <6>[    0.899259] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window]

 2373 16:21:24.858661  <6>[    0.899888] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window]

 2374 16:21:24.865337  <6>[    0.900519] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window]

 2375 16:21:24.874848  <6>[    0.901142] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window]

 2376 16:21:24.881656  <6>[    0.901785] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window]

 2377 16:21:24.891581  <6>[    0.902416] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window]

 2378 16:21:24.898188  <6>[    0.903039] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff]

 2379 16:21:24.907778  <6>[    0.903967] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]

 2380 16:21:24.910854  <6>[    0.906220] PCI: CLS 64 bytes, default 64

 2381 16:21:24.914339  <6>[    0.906908] Unpacking initramfs...

 2382 16:21:24.920926  <6>[    1.215263] Freeing initrd memory: 10244K

 2383 16:21:24.924062  <6>[    1.215725] DMAR: Host address width 39

 2384 16:21:24.930652  <6>[    1.216112] DMAR: DRHD base: 0x000000fed90000 flags: 0x0

 2385 16:21:24.940698  <6>[    1.216657] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e

 2386 16:21:24.947128  <6>[    1.217412] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff

 2387 16:21:24.953748  <6>[    1.217974] DMAR: DRHD base: 0x000000fed91000 flags: 0x1

 2388 16:21:24.963515  <6>[    1.218477] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da

 2389 16:21:24.969856  <6>[    1.219261] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)

 2390 16:21:24.979901  <6>[    1.219850] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB)

 2391 16:21:24.989425  <6>[    1.220745] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer

 2392 16:21:24.996369  <6>[    1.221464] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules

 2393 16:21:25.002844  <6>[    1.221985] RAPL PMU: hw unit of domain package 2^-14 Joules

 2394 16:21:25.009261  <6>[    1.222525] RAPL PMU: hw unit of domain dram 2^-14 Joules

 2395 16:21:25.015995  <6>[    1.223017] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules

 2396 16:21:25.022813  <6>[    1.223535] RAPL PMU: hw unit of domain psys 2^-14 Joules

 2397 16:21:25.029038  <3>[    1.225344] kvm: already loaded the other module

 2398 16:21:25.035551  <6>[    1.231037] check: Scanning for low memory corruption every 60 seconds

 2399 16:21:25.042390  <5>[    1.233947] Initialise system trusted keyrings

 2400 16:21:25.049123  <6>[    1.234567] workingset: timestamp_bits=56 max_order=20 bucket_order=0

 2401 16:21:25.055556  <5>[    1.249418] NFS: Registering the id_resolver key type

 2402 16:21:25.058824  <5>[    1.249914] Key type id_resolver registered

 2403 16:21:25.065203  <5>[    1.250336] Key type id_legacy registered

 2404 16:21:25.068434  <5>[    1.266185] Key type asymmetric registered

 2405 16:21:25.075288  <5>[    1.266605] Asymmetric key parser 'x509' registered

 2406 16:21:25.081698  <6>[    1.267093] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)

 2407 16:21:25.088253  <6>[    1.267773] io scheduler mq-deadline registered

 2408 16:21:25.094773  <6>[    1.268194] io scheduler kyber registered

 2409 16:21:25.098324  <4>[    1.268740] test_firmware: interface ready

 2410 16:21:25.104868  <6>[    1.270290] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120

 2411 16:21:25.111378  <6>[    1.271809] ACPI: AC Adapter [AC] (on-line)

 2412 16:21:25.121113  <6>[    1.272495] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0

 2413 16:21:25.127605  <6>[    1.274076] ACPI: Lid Switch [LID0]

 2414 16:21:25.134052  <6>[    1.274609] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1

 2415 16:21:25.140555  <6>[    1.275456] ACPI: Power Button [PWRF]

 2416 16:21:25.143816  <6>[    1.276055] ACPI: \_PR_.CP00: Found 3 idle states

 2417 16:21:25.150696  <6>[    1.277102] ACPI: \_PR_.CP01: Found 3 idle states

 2418 16:21:25.157276  <6>[    1.277984] ACPI: \_PR_.CP02: Found 3 idle states

 2419 16:21:25.160446  <6>[    1.278941] ACPI: \_PR_.CP03: Found 3 idle states

 2420 16:21:25.170669  <6>[    1.280214] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled

 2421 16:21:25.173994  <4>[    1.282937] hpet_acpi_add: no address or irqs in _CRS

 2422 16:21:25.179925  <6>[    1.283679] Non-volatile memory driver v1.3

 2423 16:21:25.187289  <6>[    1.283878] battery: ACPI: Battery Slot [BAT0] (battery present)

 2424 16:21:25.193790  <6>[    1.284190] Linux agpgart interface v0.103

 2425 16:21:25.196992  <6>[    1.285273] ACPI: bus type drm_connector registered

 2426 16:21:25.203214  <6>[    1.285844] [drm] amdgpu kernel modesetting enabled.

 2427 16:21:25.209977  <6>[    1.288378] i915 0000:00:02.0: vgaarb: deactivate vga console

 2428 16:21:25.219844  <6>[    1.341308] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem

 2429 16:21:25.233038  <6>[    1.343288] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4)

 2430 16:21:25.239451  <6>[    1.362812] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0

 2431 16:21:25.246677  <6>[    1.365859] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1

 2432 16:21:25.252849  <6>[    1.378357] loop: module loaded

 2433 16:21:25.259369  <6>[    1.379257] lkdtm: No crash points registered, enable through debugfs

 2434 16:21:25.263016  <6>[    1.397439] printk: console [ttyS0] disabled

 2435 16:21:25.272676  <6>[    1.398067] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A

 2436 16:21:25.282339  <6>[    2.295035] tsc: Refined TSC clocksource calibration: 1608.000 MHz

 2437 16:21:25.292798  <6>[    2.295058] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns

 2438 16:21:25.298761  <6>[    2.295193] clocksource: Switched to clocksource tsc

 2439 16:21:25.354582  <6>[    5.014260] printk: console [ttyS0] enabled

 2440 16:21:25.361456  <6>[    5.014336] fbcon: i915drmfb (fb0) is primary device

 2441 16:21:25.367786  <6>[    5.023708] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A

 2442 16:21:25.377814  <4>[    5.025251] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO

 2443 16:21:25.384418  <6>[    5.032128] e100: Intel(R) PRO/100 Network Driver

 2444 16:21:25.391054  <6>[    5.032130] e100: Copyright(c) 1999-2006 Intel Corporation

 2445 16:21:25.406253  <6>[    5.032174] e1000: Intel(R) PRO/1000 Network Driver

 2446 16:21:25.407269  <6>[    5.032176] e1000: Copyright (c) 1999-2006 Intel Corporation.

 2447 16:21:25.409695  <6>[    5.032230] e1000e: Intel(R) PRO/1000 Network Driver

 2448 16:21:25.416508  <6>[    5.032231] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

 2449 16:21:25.420721  <6>[    5.032289] igb: Intel(R) Gigabit Ethernet Network Driver

 2450 16:21:25.427504  <6>[    5.032290] igb: Copyright (c) 2007-2014 Intel Corporation.

 2451 16:21:25.430623  <6>[    5.032354] sky2: driver version 1.30

 2452 16:21:25.439771  <6>[    5.032568] usbcore: registered new interface driver r8152

 2453 16:21:25.446877  <6>[    5.032944] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

 2454 16:21:25.450684  <6>[    5.032961] ehci-pci: EHCI PCI platform driver

 2455 16:21:25.457007  <6>[    5.033012] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

 2456 16:21:25.463460  <6>[    5.033031] ohci-pci: OHCI PCI platform driver

 2457 16:21:25.470350  <6>[    5.033072] uhci_hcd: USB Universal Host Controller Interface driver

 2458 16:21:25.476919  <6>[    5.033884] xhci_hcd 0000:00:14.0: xHCI Host Controller

 2459 16:21:25.486924  <6>[    5.034582] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1

 2460 16:21:25.493547  <6>[    5.035142] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2

 2461 16:21:25.503381  <6>[    5.035906] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810

 2462 16:21:25.513437  <6>[    5.035948] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported

 2463 16:21:25.519916  <6>[    5.037417] xhci_hcd 0000:00:14.0: xHCI Host Controller

 2464 16:21:25.526590  <6>[    5.037786] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2

 2465 16:21:25.533032  <6>[    5.037799] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed

 2466 16:21:25.543012  <6>[    5.038164] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10

 2467 16:21:25.552704  <6>[    5.038178] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2468 16:21:25.559288  <6>[    5.038181] usb usb1: Product: xHCI Host Controller

 2469 16:21:25.566305  <6>[    5.038184] usb usb1: Manufacturer: Linux 5.10.199-cip39 xhci-hcd

 2470 16:21:25.569598  <6>[    5.038186] usb usb1: SerialNumber: 0000:00:14.0

 2471 16:21:25.575550  <6>[    5.039442] hub 1-0:1.0: USB hub found

 2472 16:21:25.579543  <6>[    5.039582] hub 1-0:1.0: 12 ports detected

 2473 16:21:25.588831  <6>[    5.042074] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10

 2474 16:21:25.598928  <6>[    5.042078] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2475 16:21:25.602197  <6>[    5.042080] usb usb2: Product: xHCI Host Controller

 2476 16:21:25.611998  <6>[    5.042083] usb usb2: Manufacturer: Linux 5.10.199-cip39 xhci-hcd

 2477 16:21:25.615572  <6>[    5.042085] usb usb2: SerialNumber: 0000:00:14.0

 2478 16:21:25.622524  <6>[    5.042756] hub 2-0:1.0: USB hub found

 2479 16:21:25.625191  <6>[    5.042800] hub 2-0:1.0: 6 ports detected

 2480 16:21:25.631788  <6>[    5.044290] usbcore: registered new interface driver usblp

 2481 16:21:25.638688  <6>[    5.044383] usbcore: registered new interface driver usb-storage

 2482 16:21:25.648857  <6>[    5.044828] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers

 2483 16:21:25.658679  <6>[    5.044962] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1

 2484 16:21:25.668227  <4>[    5.044965] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp

 2485 16:21:25.675038  <4>[    5.045662] i8042: Warning: Keylock active

 2486 16:21:25.678367  <6>[    5.045942] serio: i8042 KBD port at 0x60,0x64 irq 1

 2487 16:21:25.684675  <6>[    5.047545] rtc_cmos 00:02: RTC can wake from S4

 2488 16:21:25.691083  <6>[    5.049521] rtc_cmos 00:02: registered as rtc0

 2489 16:21:25.701367  <6>[    5.050022] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2

 2490 16:21:25.707836  <6>[    5.051241] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram

 2491 16:21:25.714350  <6>[    5.052077] i801_smbus 0000:00:1f.4: SPD Write Disable is set

 2492 16:21:25.720775  <6>[    5.052123] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt

 2493 16:21:25.727219  <6>[    5.053018] i2c i2c-9: 2/2 memory slots populated (from DMI)

 2494 16:21:25.734166  <6>[    5.053776] Console: switching to colour frame buffer device 240x67

 2495 16:21:25.744024  <6>[    5.054019] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0)

 2496 16:21:25.753447  <6>[    5.054444] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com

 2497 16:21:25.760334  <6>[    5.054492] intel_pstate: Intel P-state driver initializing

 2498 16:21:25.763568  <6>[    5.055186] intel_pstate: HWP enabled

 2499 16:21:25.770508  <6>[    5.055234] sdhci: Secure Digital Host Controller Interface driver

 2500 16:21:25.776934  <6>[    5.055235] sdhci: Copyright(c) Pierre Ossman

 2501 16:21:25.783508  <6>[    5.055264] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21)

 2502 16:21:25.793740  <6>[    5.056228] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit

 2503 16:21:25.800045  <6>[    5.056415] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2504 16:21:25.806512  <6>[    5.057838] hid: raw HID events driver (C) Jiri Kosina

 2505 16:21:25.812929  <6>[    5.058542] usbcore: registered new interface driver usbhid

 2506 16:21:25.816397  <6>[    5.058543] usbhid: USB HID core driver

 2507 16:21:25.833147  <6>[    5.058951] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3

 2508 16:21:25.839741  <6>[    5.064012] cros_ec_lpcs GOOG0004:00: Chrome EC device registered

 2509 16:21:25.849985  <6>[    5.064582] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100

 2510 16:21:25.856230  <6>[    5.069076] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device

 2511 16:21:25.866551  <6>[    5.075685] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops)

 2512 16:21:25.873105  <6>[    5.085262] ipip: IPv4 and MPLS over IPv4 tunneling driver

 2513 16:21:25.885882  <6>[    5.168227] 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

 2514 16:21:25.892624  <3>[    5.174998] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up

 2515 16:21:25.899032  <6>[    5.175449] IPv4 over IPsec tunneling driver

 2516 16:21:25.902212  <6>[    5.175723] Initializing XFRM netlink socket

 2517 16:21:25.909218  <6>[    5.176108] NET: Registered protocol family 10

 2518 16:21:25.912473  <6>[    5.176892] Segment Routing with IPv6

 2519 16:21:25.919085  <6>[    5.177684] NET: Registered protocol family 17

 2520 16:21:25.922545  <6>[    5.177815] 8021q: 802.1Q VLAN Support v1.8

 2521 16:21:25.929385  <5>[    5.177850] Key type dns_resolver registered

 2522 16:21:25.935535  <6>[    5.290319] usb 1-3: new full-speed USB device number 2 using xhci_hcd

 2523 16:21:25.942706  <6>[    5.291180] microcode: sig=0x806e9, pf=0x10, revision=0x98

 2524 16:21:25.948858  <6>[    5.319028] mmc0: new HS400 MMC card at address 0001

 2525 16:21:25.955606  <6>[    5.326321] microcode: Microcode Update Driver: v2.2.

 2526 16:21:25.961802  <6>[    5.332355] mmcblk0: mmc0:0001 DA4064 58.2 GiB 

 2527 16:21:25.965185  <6>[    5.336242] IPI shorthand broadcast: enabled

 2528 16:21:25.972376  <6>[    5.341122] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB

 2529 16:21:25.981862  <6>[    5.347583] sched_clock: Marking stable (5262155729, 85299910)->(5477046221, -129590582)

 2530 16:21:25.988399  <6>[    5.354569] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB

 2531 16:21:25.994818  <6>[    5.384489] registered taskstats version 1

 2532 16:21:26.001562  <6>[    5.389580] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0)

 2533 16:21:26.008224  <5>[    5.395073] Loading compiled-in X.509 certificates

 2534 16:21:26.014428  <6>[    5.396841] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2535 16:21:26.021523  <6>[    5.417138]  mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12

 2536 16:21:26.031434  <6>[    5.424618] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2537 16:21:26.041340  <6>[    5.465483] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03

 2538 16:21:26.047780  <6>[    5.478410] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2539 16:21:26.057592  <6>[    5.479294] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0

 2540 16:21:26.060954  <6>[    5.487494] PM:   Magic number: 15:149:337

 2541 16:21:26.070736  <6>[    5.493839] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2542 16:21:26.073987  <6>[    5.500172] tty tty58: hash matches

 2543 16:21:26.084155  <6>[    5.580400] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2544 16:21:26.087438  <6>[    5.799053] printk: console [netcon0] enabled

 2545 16:21:26.093883  <6>[    5.804222] netconsole: network logging started

 2546 16:21:26.104546  <6>[    5.811584] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00

 2547 16:21:26.114473  <6>[    5.821027] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6

 2548 16:21:26.120609  <6>[    5.829304] usb 2-3: Product: USB 10/100/1000 LAN

 2549 16:21:26.124112  <6>[    5.834860] usb 2-3: Manufacturer: Realtek

 2550 16:21:26.130635  <6>[    5.839732] usb 2-3: SerialNumber: 001000001

 2551 16:21:26.140275  <6>[    5.847236] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2552 16:21:26.216990  <6>[    5.924547] usb 1-9: new high-speed USB device number 3 using xhci_hcd

 2553 16:21:26.383008  <6>[    6.090584] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07

 2554 16:21:26.392921  <6>[    6.100057] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2

 2555 16:21:26.399982  <6>[    6.108337] usb 1-9: Product: USB2.0 HD UVC WebCam

 2556 16:21:26.403354  <6>[    6.113992] usb 1-9: Manufacturer: Azurewave

 2557 16:21:26.409930  <6>[    6.119073] usb 1-9: SerialNumber: 0x0001

 2558 16:21:26.422293  <6>[    6.130158] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2559 16:21:26.467631  <6>[    6.175367] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2560 16:21:26.512137  <6>[    6.219613] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully

 2561 16:21:26.544575  <6>[    6.255396] r8152 2-3:1.0 eth0: v1.11.11

 2562 16:21:26.554565  <6>[    6.260491] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2563 16:21:29.586217  <6>[    9.297432] r8152 2-3:1.0 eth0: carrier on

 2564 16:21:29.593255  <6>[    9.299466] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

 2565 16:21:32.336406  <5>[    9.311436] Sending DHCP requests .., OK

 2566 16:21:32.346107  <6>[   12.052159] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.13

 2567 16:21:32.349372  <6>[   12.061410] IP-Config: Complete:

 2568 16:21:32.363075  <6>[   12.065315]      device=eth0, hwaddr=00:e0:4c:68:0b:d9, ipaddr=192.168.201.13, mask=255.255.255.0, gw=192.168.201.1

 2569 16:21:32.369212  <6>[   12.077292]      host=asus-c433ta-aj0005-rammus-cbg-0, domain=lava-rack, nis-domain=(none)

 2570 16:21:32.379056  <6>[   12.086819]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

 2571 16:21:32.382617  <6>[   12.086821]      nameserver0=192.168.201.1

 2572 16:21:32.392135  <5>[   12.100176] cfg80211: Loading compiled-in X.509 certificates for regulatory database

 2573 16:21:32.404081  <6>[   12.111983] modprobe (101) used greatest stack depth: 14208 bytes left

 2574 16:21:32.411149  <5>[   12.114864] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'

 2575 16:21:32.417501  <6>[   12.119607] modprobe (102) used greatest stack depth: 14120 bytes left

 2576 16:21:32.427137  <4>[   12.127483] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2

 2577 16:21:32.430979  <6>[   12.128389] ALSA device list:

 2578 16:21:32.437653  <6>[   12.128399]   No soundcards found.

 2579 16:21:32.440971  <6>[   12.152549] cfg80211: failed to load regulatory.db

 2580 16:21:32.450992  <4>[   12.158447] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console

 2581 16:21:32.460961  <6>[   12.168399] Freeing unused kernel image (initmem) memory: 2168K

 2582 16:21:32.480530  <6>[   12.188560] Write protecting the kernel read-only data: 36864k

 2583 16:21:32.487465  <6>[   12.196275] Freeing unused kernel image (text/rodata gap) memory: 2028K

 2584 16:21:32.496943  <6>[   12.204388] Freeing unused kernel image (rodata/data gap) memory: 1316K

 2585 16:21:32.500489  <6>[   12.212191] Run /init as init process

 2586 16:21:32.506954  Loading, please wait...

 2587 16:21:32.517760  Starting version 247.3-7+deb11u2

 2588 16:21:32.527023  <6>[   12.232313] systemd-udevd (123) used greatest stack depth: 13816 bytes left

 2589 16:21:32.572697  <6>[   12.280260] udevadm (125) used greatest stack depth: 13592 bytes left

 2590 16:21:32.698624  <6>[   12.409425] chromeos ramoops using acpi device.

 2591 16:21:32.708336  <6>[   12.410614] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2592 16:21:32.718130  <6>[   12.424815] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2593 16:21:32.727830  <4>[   12.433843] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer.

 2594 16:21:32.741046  <6>[   12.448823] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2595 16:21:32.751029  <4>[   12.456165] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator

 2596 16:21:32.760436  <4>[   12.468134] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator

 2597 16:21:32.776465  <6>[   12.484234] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2598 16:21:32.804545  <6>[   12.512314] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2599 16:21:32.810934  <6>[   12.512603] Registered efivars operations

 2600 16:21:32.814145  <6>[   12.525708] gsmi version 1.0 loaded

 2601 16:21:32.941253  <6>[   12.642221] 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

 2602 16:21:32.955557  <6>[   12.660155] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00

 2603 16:21:32.965206  <6>[   12.673034] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2604 16:21:32.983467  <6>[   12.690417] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2605 16:21:32.994731  <6>[   12.701951] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2606 16:21:33.006483  <6>[   12.714254] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2607 16:21:33.023762  <6>[   12.729960] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2608 16:21:33.029876  <6>[   12.732470] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4)

 2609 16:21:33.039833  <4>[   12.740135] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk

 2610 16:21:33.049646  <6>[   12.741274] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2611 16:21:33.062714  <6>[   12.758190] 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

 2612 16:21:33.069217  <6>[   12.765472] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2613 16:21:33.075841  <6>[   12.777862] usbcore: registered new interface driver uvcvideo

 2614 16:21:33.085746  <6>[   12.787191] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2615 16:21:33.089165  <6>[   12.792657] USB Video Class driver (1.1.1)

 2616 16:21:33.099599  <6>[   12.807239] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2617 16:21:33.123347  <6>[   12.831104] udevadm (143) used greatest stack depth: 13400 bytes left

 2618 16:21:33.126460  Begin: Loading essential drivers ... done.

 2619 16:21:33.134037  Begin: Running /scripts/init-premount ... done.

 2620 16:21:33.141124  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

 2621 16:21:33.147969  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

 2622 16:21:33.153910  Device /sys/class/net/eth0 found

 2623 16:21:33.154015  done.

 2624 16:21:33.161262  IP-Config: eth0 hardware address 00:e0:4c:68:0b:d9 mtu 1500 DHCP

 2625 16:21:33.167812  IP-Config: eth0 complete (dhcp from 192.168.201.1):

 2626 16:21:33.174335   address: 192.168.201.13   broadcast: 192.168.201.255  netmask: 255.255.255.0   

 2627 16:21:33.184732   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         

 2628 16:21:33.190799   host   : asus-c433ta-aj0005-rammus-cbg-0                                 

 2629 16:21:33.198014   domain : lava-rack                                                       

 2630 16:21:33.204354   rootserver: 192.168.201.1 rootpath: 

 2631 16:21:33.204458   filename  : 

 2632 16:21:33.280419  <6>[   12.987998] nfsmount (172) used greatest stack depth: 12544 bytes left

 2633 16:21:33.280537  done.

 2634 16:21:33.290249  Begin: Running /scripts/nfs-bottom ... done.

 2635 16:21:33.309677  Begin: Running /scripts/init-bottom ... done.

 2636 16:21:33.529344  SELinux:  Could not open policy file <= /etc/selinux/targeted/policy/policy.33:  No such file or directory

 2637 16:21:33.619175  <30>[   13.310747] 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)

 2638 16:21:33.638509  <30>[   13.349666] systemd[1]: Detected architecture x86-64.

 2639 16:21:33.647602  

 2640 16:21:33.650516  Welcome to Debian GNU/Linux 11 (bullseye)!

 2641 16:21:33.650593  

 2642 16:21:33.662940  <30>[   13.370937] systemd[1]: Set hostname to <debian-bullseye-amd64>.

 2643 16:21:33.958430  <30>[   13.665816] systemd[1]: Queued start job for default target Graphical Interface.

 2644 16:21:33.965668  <30>[   13.676445] systemd[1]: Created slice system-getty.slice.

 2645 16:21:33.975519  [  OK  ] Created slice system-getty.slice.

 2646 16:21:33.985488  <30>[   13.692951] systemd[1]: Created slice system-modprobe.slice.

 2647 16:21:33.991623  [  OK  ] Created slice system-modprobe.slice.

 2648 16:21:34.002187  <30>[   13.709925] systemd[1]: Created slice system-serial\x2dgetty.slice.

 2649 16:21:34.008945  [  OK  ] Created slice system-serial\x2dgetty.slice.

 2650 16:21:34.019091  <30>[   13.726896] systemd[1]: Created slice User and Session Slice.

 2651 16:21:34.025806  [  OK  ] Created slice User and Session Slice.

 2652 16:21:34.036218  <30>[   13.743852] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

 2653 16:21:34.046322  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

 2654 16:21:34.058301  <30>[   13.765859] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

 2655 16:21:34.067952  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

 2656 16:21:34.081215  <30>[   13.785729] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.

 2657 16:21:34.090958  [  OK  ] Set up automount Arbitrary…s File System Automount Point.

 2658 16:21:34.100852  <30>[   13.808768] systemd[1]: Reached target Local Encrypted Volumes.

 2659 16:21:34.107369  [  OK  ] Reached target Local Encrypted Volumes.

 2660 16:21:34.114433  <30>[   13.825715] systemd[1]: Reached target Paths.

 2661 16:21:34.121484  [  OK  ] Reached target Paths.

 2662 16:21:34.127975  <30>[   13.837657] systemd[1]: Reached target Remote File Systems.

 2663 16:21:34.134098  [  OK  ] Reached target Remote File Systems.

 2664 16:21:34.142698  <30>[   13.853635] systemd[1]: Reached target Slices.

 2665 16:21:34.149311  [  OK  ] Reached target Slices.

 2666 16:21:34.156116  <30>[   13.865649] systemd[1]: Reached target Swap.

 2667 16:21:34.159064  [  OK  ] Reached target Swap.

 2668 16:21:34.169573  <30>[   13.877199] systemd[1]: Listening on initctl Compatibility Named Pipe.

 2669 16:21:34.176158  [  OK  ] Listening on initctl Compatibility Named Pipe.

 2670 16:21:34.185210  <30>[   13.896114] systemd[1]: Listening on Journal Audit Socket.

 2671 16:21:34.195035  [  OK  ] Listening on Journal Audit Socket.

 2672 16:21:34.206155  <30>[   13.914116] systemd[1]: Listening on Journal Socket (/dev/log).

 2673 16:21:34.212775  [  OK  ] Listening on Journal Socket (/dev/log).

 2674 16:21:34.220410  <30>[   13.931679] systemd[1]: Listening on Journal Socket.

 2675 16:21:34.227572  [  OK  ] Listening on Journal Socket.

 2676 16:21:34.240717  <30>[   13.948254] systemd[1]: Listening on Network Service Netlink Socket.

 2677 16:21:34.247226  [  OK  ] Listening on Network Service Netlink Socket.

 2678 16:21:34.256742  <30>[   13.967648] systemd[1]: Listening on udev Control Socket.

 2679 16:21:34.263621  [  OK  ] Listening on udev Control Socket.

 2680 16:21:34.273363  <30>[   13.984297] systemd[1]: Listening on udev Kernel Socket.

 2681 16:21:34.280068  [  OK  ] Listening on udev Kernel Socket.

 2682 16:21:34.291866  <30>[   14.002890] systemd[1]: Mounting Huge Pages File System...

 2683 16:21:34.298507           Mounting Huge Pages File System...

 2684 16:21:34.314114  <30>[   14.021828] systemd[1]: Mounting POSIX Message Queue File System...

 2685 16:21:34.320509           Mounting POSIX Message Queue File System...

 2686 16:21:34.333067  <30>[   14.040825] systemd[1]: Mounting Kernel Debug File System...

 2687 16:21:34.336393           Mounting Kernel Debug File System...

 2688 16:21:34.351058  <30>[   14.058827] systemd[1]: Mounting Kernel Trace File System...

 2689 16:21:34.354256           Mounting Kernel Trace File System...

 2690 16:21:34.372082  <30>[   14.076469] systemd[1]: Starting Create list of static device nodes for the current kernel...

 2691 16:21:34.378282           Starting Create list of st…odes for the current kernel...

 2692 16:21:34.391443  <30>[   14.099066] systemd[1]: Starting Load Kernel Module configfs...

 2693 16:21:34.397833           Starting Load Kernel Module configfs...

 2694 16:21:34.405149  <30>[   14.115849] systemd[1]: Starting Load Kernel Module drm...

 2695 16:21:34.411880           Starting Load Kernel Module drm...

 2696 16:21:34.419911  <30>[   14.130637] systemd[1]: Starting Load Kernel Module fuse...

 2697 16:21:34.426523           Starting Load Kernel Module fuse...

 2698 16:21:34.442413  <30>[   14.146946] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

 2699 16:21:34.446004  <6>[   14.157717] fuse: init (API version 7.32)

 2700 16:21:34.453070  <30>[   14.163879] systemd[1]: Starting Journal Service...

 2701 16:21:34.459574           Starting Journal Service...

 2702 16:21:34.468049  <30>[   14.178785] systemd[1]: Starting Load Kernel Modules...

 2703 16:21:34.474330           Starting Load Kernel Modules...

 2704 16:21:34.486943  <30>[   14.194756] systemd[1]: Starting Remount Root and Kernel File Systems...

 2705 16:21:34.493368           Starting Remount Root and Kernel File Systems...

 2706 16:21:34.504758  <30>[   14.212817] systemd[1]: Starting Coldplug All udev Devices...

 2707 16:21:34.508126           Starting Coldplug All udev Devices...

 2708 16:21:34.519599  <30>[   14.230457] systemd[1]: Mounted Huge Pages File System.

 2709 16:21:34.526257  [  OK  ] Mounted Huge Pages File System.

 2710 16:21:34.538729  <30>[   14.246684] systemd[1]: Mounted POSIX Message Queue File System.

 2711 16:21:34.545770  [  OK  ] Mounted POSIX Message Queue File System.

 2712 16:21:34.552660  <30>[   14.263663] systemd[1]: Mounted Kernel Debug File System.

 2713 16:21:34.559152  [  OK  ] Mounted Kernel Debug File System.

 2714 16:21:34.568740  <30>[   14.279680] systemd[1]: Mounted Kernel Trace File System.

 2715 16:21:34.574972  [  OK  ] Mounted Kernel Trace File System.

 2716 16:21:34.590092  <30>[   14.297902] systemd[1]: Finished Create list of static device nodes for the current kernel.

 2717 16:21:34.599974  [  OK  ] Finished Create list of st… nodes for the current kernel.

 2718 16:21:34.607072  <30>[   14.317713] systemd[1]: Started Journal Service.

 2719 16:21:34.613450  [  OK  ] Started Journal Service.

 2720 16:21:34.625832  [  OK  ] Finished Load Kernel Module configfs.

 2721 16:21:34.637513  [  OK  ] Finished Load Kernel Module drm.

 2722 16:21:34.649142  [  OK  ] Finished Load Kernel Module fuse.

 2723 16:21:34.657604  [  OK  ] Finished Load Kernel Modules.

 2724 16:21:34.668914  [  OK  ] Finished Remount Root and Kernel File Systems.

 2725 16:21:34.682106           Mounting FUSE Control File System...

 2726 16:21:34.693916           Mounting Kernel Configuration File System...

 2727 16:21:34.712728           Starting Flush Journal to Persistent Storage...

 2728 16:21:34.722514           Starting Load/Save Random Seed...

 2729 16:21:34.733224           Starting Apply Kernel Variables...

 2730 16:21:34.744180           Starting Create System Users...

 2731 16:21:34.759657  <46>[   14.467686] systemd-journald[207]: Received client request to flush runtime journal.

 2732 16:21:34.766771  [  OK  ] Mounted FUSE Control File System.

 2733 16:21:34.780362  [  OK  ] Mounted Kernel Configuration File System.

 2734 16:21:34.787301  [  OK  ] Finished Load/Save Random Seed.

 2735 16:21:34.798436  [  OK  ] Finished Apply Kernel Variables.

 2736 16:21:34.934682  [  OK  ] Finished Create System Users.

 2737 16:21:34.948766  [  OK  ] Finished Coldplug All udev Devices.

 2738 16:21:34.959193           Starting Create Static Device Nodes in /dev...

 2739 16:21:34.980928  [  OK  ] Finished Flush Journal to Persistent Storage.

 2740 16:21:35.007931  [  OK  ] Finished Create Static Device Nodes in /dev.

 2741 16:21:35.018229  [  OK  ] Reached target Local File Systems (Pre).

 2742 16:21:35.025006  [  OK  ] Reached target Local File Systems.

 2743 16:21:35.038559           Starting Create Volatile Files and Directories...

 2744 16:21:35.052397           Starting Rule-based Manage…for Device Events and Files...

 2745 16:21:35.140058  [  OK  ] Started Rule-based Manager for Device Events and Files.

 2746 16:21:35.153891           Starting Network Service...

 2747 16:21:35.172476  [  OK  ] Finished Create Volatile Files and Directories.

 2748 16:21:35.203088           Starting Network Time Synchronization...

 2749 16:21:35.216510           Starting Update UTMP about System Boot/Shutdown...

 2750 16:21:35.274695  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 2751 16:21:35.365446  [  OK  ] Found device Sunrise Point-LP Serial IO UART Controller.

 2752 16:21:35.386517  [  OK  ] Created slice system-systemd\x2dbacklight.slice.

 2753 16:21:35.438544           Starting Load/Save Screen …f backlight:intel_backlight...

 2754 16:21:35.530579  [  OK  ] Started Network Service.

 2755 16:21:35.542037  [  OK  ] Started Network Time Synchronization.

 2756 16:21:35.562473  [  OK  ] Finished Load/Save Screen … of backlight:intel_backlight.

 2757 16:21:35.632020  [  OK  ] Reached target System Time Set.

 2758 16:21:35.644814  [  OK  ] Reached target System Time Synchronized.

 2759 16:21:35.655374  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 2760 16:21:35.666083           Starting Load/Save Screen …eds:chromeos::kbd_backlight...

 2761 16:21:35.676405           Starting Network Name Resolution...

 2762 16:21:35.687088  [  OK  ] Finished Load/Save Screen … leds:chromeos::kbd_backlight.

 2763 16:21:35.698886  [  OK  ] Reached target System Initialization.

 2764 16:21:35.710936  [  OK  ] Started Daily apt download activities.

 2765 16:21:35.720729  [  OK  ] Started Daily apt upgrade and clean activities.

 2766 16:21:35.731254  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 2767 16:21:35.743933  [  OK  ] Started Discard unused blocks once a week.

 2768 16:21:35.753881  [  OK  ] Started Daily Cleanup of Temporary Directories.

 2769 16:21:35.760465  [  OK  ] Reached target Timers.

 2770 16:21:35.771253  [  OK  ] Listening on D-Bus System Message Bus Socket.

 2771 16:21:35.777491  [  OK  ] Reached target Sockets.

 2772 16:21:35.784227  [  OK  ] Reached target Basic System.

 2773 16:21:35.797152  [  OK  ] Started D-Bus System Message Bus.

 2774 16:21:35.819438           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 2775 16:21:35.834363           Starting User Login Management...

 2776 16:21:35.879911  [  OK  ] Started Network Name Resolution.

 2777 16:21:35.888757  [  OK  ] Reached target Network.

 2778 16:21:35.901491  [  OK  ] Reached target Host and Network Name Lookups.

 2779 16:21:35.908568           Starting Permit User Sessions...

 2780 16:21:35.920898  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 2781 16:21:35.929042  [  OK  ] Finished Permit User Sessions.

 2782 16:21:35.939713  [  OK  ] Started User Login Management.

 2783 16:21:35.951276  [  OK  ] Started Getty on tty1.

 2784 16:21:35.961283  [  OK  ] Started Serial Getty on ttyS0.

 2785 16:21:35.971876  [  OK  ] Reached target Login Prompts.

 2786 16:21:35.984236  [  OK  ] Reached target Multi-User System.

 2787 16:21:35.994172  [  OK  ] Reached target Graphical Interface.

 2788 16:21:36.008460           Starting Update UTMP about System Runlevel Changes...

 2789 16:21:36.052125  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 2790 16:21:36.105900  

 2791 16:21:36.106049  

 2792 16:21:36.109571  Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0

 2793 16:21:36.109675  

 2794 16:21:36.115964  debian-bullseye-amd64 login: root (automatic login)

 2795 16:21:36.116048  

 2796 16:21:36.116111  

 2797 16:21:36.238994  Linux debian-bullseye-amd64 5.10.199-cip39 #1 SMP Thu Nov 2 16:12:30 UTC 2023 x86_64

 2798 16:21:36.239158  

 2799 16:21:36.245739  The programs included with the Debian GNU/Linux system are free software;

 2800 16:21:36.251893  the exact distribution terms for each program are described in the

 2801 16:21:36.258605  individual files in /usr/share/doc/*/copyright.

 2802 16:21:36.258707  

 2803 16:21:36.265526  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 2804 16:21:36.268718  permitted by applicable law.

 2805 16:21:36.407338  <6>[   16.115058] systemd-xdg-aut (289) used greatest stack depth: 12384 bytes left

 2806 16:21:36.626980  Matched prompt #10: / #
 2808 16:21:36.627303  Kernel warnings or errors detected.
 2809 16:21:36.627372  Setting prompt string to ['/ #']
 2810 16:21:36.627463  end: 2.2.5.1 login-action (duration 00:00:15) [common]
 2812 16:21:36.627740  end: 2.2.5 auto-login-action (duration 00:00:17) [common]
 2813 16:21:36.627831  start: 2.2.6 expect-shell-connection (timeout 00:04:14) [common]
 2814 16:21:36.627904  Setting prompt string to ['/ #']
 2815 16:21:36.627964  Forcing a shell prompt, looking for ['/ #']
 2817 16:21:36.678189  / # 

 2818 16:21:36.678349  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 2819 16:21:36.678436  Waiting using forced prompt support (timeout 00:02:30)
 2820 16:21:36.684973  

 2821 16:21:36.685254  end: 2.2.6 expect-shell-connection (duration 00:00:00) [common]
 2822 16:21:36.685354  start: 2.2.7 export-device-env (timeout 00:04:14) [common]
 2824 16:21:36.785724  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/11931942/extract-nfsrootfs-zrwzly19'

 2825 16:21:36.790799  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/11931942/extract-nfsrootfs-zrwzly19'

 2827 16:21:36.891299  / # export NFS_SERVER_IP='192.168.201.1'

 2828 16:21:36.896305  export NFS_SERVER_IP='192.168.201.1'

 2829 16:21:36.896595  end: 2.2.7 export-device-env (duration 00:00:00) [common]
 2830 16:21:36.896699  end: 2.2 depthcharge-retry (duration 00:00:46) [common]
 2831 16:21:36.896790  end: 2 depthcharge-action (duration 00:00:46) [common]
 2832 16:21:36.896886  start: 3 lava-test-retry (timeout 00:08:47) [common]
 2833 16:21:36.896974  start: 3.1 lava-test-shell (timeout 00:08:47) [common]
 2834 16:21:36.897047  Using namespace: common
 2836 16:21:36.997402  / # #

 2837 16:21:36.997581  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 2838 16:21:37.002940  #

 2839 16:21:37.003216  Using /lava-11931942
 2841 16:21:37.103582  / # export SHELL=/bin/bash

 2842 16:21:37.109088  export SHELL=/bin/bash

 2844 16:21:37.209638  / # . /lava-11931942/environment

 2845 16:21:37.214956  . /lava-11931942/environment

 2847 16:21:37.320485  / # /lava-11931942/bin/lava-test-runner /lava-11931942/0

 2848 16:21:37.320665  Test shell timeout: 10s (minimum of the action and connection timeout)
 2849 16:21:37.325603  /lava-11931942/bin/lava-test-runner /lava-11931942/0

 2850 16:21:37.551059  + export TESTRUN_ID=0_timesync-off

 2851 16:21:37.551202  + TESTRUN_ID=0_timesync-off

 2852 16:21:37.557521  + cd /lava-11931942/0/tests/0_timesync-off

 2853 16:21:37.557641  ++ cat uuid

 2854 16:21:37.560800  + UUID=11931942_1.5.2.3.1

 2855 16:21:37.560881  + set +x

 2856 16:21:37.566953  <LAVA_SIGNAL_STARTRUN 0_timesync-off 11931942_1.5.2.3.1>

 2857 16:21:37.567213  Received signal: <STARTRUN> 0_timesync-off 11931942_1.5.2.3.1
 2858 16:21:37.567292  Starting test lava.0_timesync-off (11931942_1.5.2.3.1)
 2859 16:21:37.567378  Skipping test definition patterns.
 2860 16:21:37.570389  + systemctl stop systemd-timesyncd

 2861 16:21:37.598940  + set +x

 2862 16:21:37.602791  <LAVA_SIGNAL_ENDRUN 0_timesync-off 11931942_1.5.2.3.1>

 2863 16:21:37.603050  Received signal: <ENDRUN> 0_timesync-off 11931942_1.5.2.3.1
 2864 16:21:37.603150  Ending use of test pattern.
 2865 16:21:37.603213  Ending test lava.0_timesync-off (11931942_1.5.2.3.1), duration 0.04
 2867 16:21:37.647865  + export TESTRUN_ID=1_kselftest-lkdtm

 2868 16:21:37.651053  + TESTRUN_ID=1_kselftest-lkdtm

 2869 16:21:37.654667  + cd /lava-11931942/0/tests/1_kselftest-lkdtm

 2870 16:21:37.654750  ++ cat uuid

 2871 16:21:37.657612  + UUID=11931942_1.5.2.3.5

 2872 16:21:37.657694  + set +x

 2873 16:21:37.664499  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 11931942_1.5.2.3.5>

 2874 16:21:37.664758  Received signal: <STARTRUN> 1_kselftest-lkdtm 11931942_1.5.2.3.5
 2875 16:21:37.664831  Starting test lava.1_kselftest-lkdtm (11931942_1.5.2.3.5)
 2876 16:21:37.664912  Skipping test definition patterns.
 2877 16:21:37.667693  + cd ./automated/linux/kselftest/

 2878 16:21:37.703585  + ./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/v5.10.194-cip39-915-g96fa7f16cf02/x86_64/x86_64_defconfig+x86-board+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

 2879 16:21:37.703747  INFO: install_deps skipped

 2880 16:21:37.736775  --2023-11-02 16:20:00--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.194-cip39-915-g96fa7f16cf02/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz

 2881 16:21:37.743157  Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82

 2882 16:21:37.859941  Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected.

 2883 16:21:37.989109  HTTP request sent, awaiting response... 200 OK

 2884 16:21:37.992154  Length: 3375048 (3.2M) [application/octet-stream]

 2885 16:21:37.995567  Saving to: 'kselftest.tar.xz'

 2886 16:21:37.995673  

 2887 16:21:37.995751  

 2888 16:21:38.246334  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               

 2889 16:21:38.504226  kselftest.tar.xz      1%[                    ]  50.15K   196KB/s               

 2890 16:21:38.900680  kselftest.tar.xz      6%[>                   ] 217.50K   423KB/s               

 2891 16:21:39.162299  kselftest.tar.xz     22%[===>                ] 735.04K   808KB/s               

 2892 16:21:39.418238  kselftest.tar.xz     35%[======>             ]   1.14M   994KB/s               

 2893 16:21:39.677145  kselftest.tar.xz     49%[========>           ]   1.60M  1.12MB/s               

 2894 16:21:39.936225  kselftest.tar.xz     59%[==========>         ]   1.93M  1.14MB/s               

 2895 16:21:40.073308  kselftest.tar.xz     85%[================>   ]   2.74M  1.41MB/s               

 2896 16:21:40.080068  kselftest.tar.xz    100%[===================>]   3.22M  1.55MB/s    in 2.1s    

 2897 16:21:40.080195  

 2898 16:21:40.113043  2023-11-02 16:20:03 (1.55 MB/s) - 'kselftest.tar.xz' saved [3375048/3375048]

 2899 16:21:40.113168  

 2900 16:21:42.496724  skiplist:

 2901 16:21:42.499931  ========================================

 2902 16:21:42.503146  ========================================

 2903 16:21:42.527562  lkdtm:PANIC.sh

 2904 16:21:42.527697  lkdtm:BUG.sh

 2905 16:21:42.531149  lkdtm:WARNING.sh

 2906 16:21:42.533983  lkdtm:WARNING_MESSAGE.sh

 2907 16:21:42.534056  lkdtm:EXCEPTION.sh

 2908 16:21:42.537294  lkdtm:LOOP.sh

 2909 16:21:42.537366  lkdtm:EXHAUST_STACK.sh

 2910 16:21:42.540828  lkdtm:CORRUPT_STACK.sh

 2911 16:21:42.544220  lkdtm:CORRUPT_STACK_STRONG.sh

 2912 16:21:42.547471  lkdtm:CORRUPT_LIST_ADD.sh

 2913 16:21:42.550862  lkdtm:CORRUPT_LIST_DEL.sh

 2914 16:21:42.554114  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2915 16:21:42.557245  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2916 16:21:42.557318  lkdtm:UNSET_SMEP.sh

 2917 16:21:42.560555  lkdtm:DOUBLE_FAULT.sh

 2918 16:21:42.563859  lkdtm:CORRUPT_PAC.sh

 2919 16:21:42.566844  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2920 16:21:42.570564  lkdtm:OVERWRITE_ALLOCATION.sh

 2921 16:21:42.570638  lkdtm:WRITE_AFTER_FREE.sh

 2922 16:21:42.573837  lkdtm:READ_AFTER_FREE.sh

 2923 16:21:42.576989  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2924 16:21:42.580117  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2925 16:21:42.583467  lkdtm:SLAB_FREE_DOUBLE.sh

 2926 16:21:42.586683  lkdtm:SLAB_FREE_CROSS.sh

 2927 16:21:42.586762  lkdtm:SLAB_FREE_PAGE.sh

 2928 16:21:42.589925  lkdtm:SOFTLOCKUP.sh

 2929 16:21:42.593083  lkdtm:HARDLOCKUP.sh

 2930 16:21:42.593163  lkdtm:SPINLOCKUP.sh

 2931 16:21:42.596645  lkdtm:HUNG_TASK.sh

 2932 16:21:42.600200  lkdtm:EXEC_DATA.sh

 2933 16:21:42.600280  lkdtm:EXEC_STACK.sh

 2934 16:21:42.603018  lkdtm:EXEC_KMALLOC.sh

 2935 16:21:42.606293  lkdtm:EXEC_VMALLOC.sh

 2936 16:21:42.606372  lkdtm:EXEC_RODATA.sh

 2937 16:21:42.609509  lkdtm:EXEC_USERSPACE.sh

 2938 16:21:42.612639  lkdtm:EXEC_NULL.sh

 2939 16:21:42.612723  lkdtm:ACCESS_USERSPACE.sh

 2940 16:21:42.616492  lkdtm:ACCESS_NULL.sh

 2941 16:21:42.619585  lkdtm:WRITE_RO.sh

 2942 16:21:42.619709  lkdtm:WRITE_RO_AFTER_INIT.sh

 2943 16:21:42.622760  lkdtm:WRITE_KERN.sh

 2944 16:21:42.626061  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 2945 16:21:42.629262  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 2946 16:21:42.633072  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 2947 16:21:42.636341  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 2948 16:21:42.639517  lkdtm:REFCOUNT_DEC_ZERO.sh

 2949 16:21:42.642851  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 2950 16:21:42.645824  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 2951 16:21:42.649406  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 2952 16:21:42.652326  lkdtm:REFCOUNT_INC_ZERO.sh

 2953 16:21:42.655622  lkdtm:REFCOUNT_ADD_ZERO.sh

 2954 16:21:42.659269  lkdtm:REFCOUNT_INC_SATURATED.sh

 2955 16:21:42.662235  lkdtm:REFCOUNT_DEC_SATURATED.sh

 2956 16:21:42.666217  lkdtm:REFCOUNT_ADD_SATURATED.sh

 2957 16:21:42.668839  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 2958 16:21:42.675465  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 2959 16:21:42.678775  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 2960 16:21:42.682053  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 2961 16:21:42.685937  lkdtm:REFCOUNT_TIMING.sh

 2962 16:21:42.686050  lkdtm:ATOMIC_TIMING.sh

 2963 16:21:42.689101  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 2964 16:21:42.691868  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 2965 16:21:42.698865  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 2966 16:21:42.702043  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 2967 16:21:42.705102  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 2968 16:21:42.708802  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 2969 16:21:42.711593  lkdtm:USERCOPY_STACK_BEYOND.sh

 2970 16:21:42.711733  lkdtm:USERCOPY_KERNEL.sh

 2971 16:21:42.715208  lkdtm:STACKLEAK_ERASING.sh

 2972 16:21:42.718341  lkdtm:CFI_FORWARD_PROTO.sh

 2973 16:21:42.721777  ============== Tests to run ===============

 2974 16:21:42.725306  lkdtm:PANIC.sh

 2975 16:21:42.725387  lkdtm:BUG.sh

 2976 16:21:42.728613  lkdtm:WARNING.sh

 2977 16:21:42.731853  lkdtm:WARNING_MESSAGE.sh

 2978 16:21:42.731958  lkdtm:EXCEPTION.sh

 2979 16:21:42.734826  lkdtm:LOOP.sh

 2980 16:21:42.734931  lkdtm:EXHAUST_STACK.sh

 2981 16:21:42.738508  lkdtm:CORRUPT_STACK.sh

 2982 16:21:42.741799  lkdtm:CORRUPT_STACK_STRONG.sh

 2983 16:21:42.744977  lkdtm:CORRUPT_LIST_ADD.sh

 2984 16:21:42.748265  lkdtm:CORRUPT_LIST_DEL.sh

 2985 16:21:42.751498  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2986 16:21:42.754714  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2987 16:21:42.754793  lkdtm:UNSET_SMEP.sh

 2988 16:21:42.758283  lkdtm:DOUBLE_FAULT.sh

 2989 16:21:42.761446  lkdtm:CORRUPT_PAC.sh

 2990 16:21:42.764517  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2991 16:21:42.767905  lkdtm:OVERWRITE_ALLOCATION.sh

 2992 16:21:42.767986  lkdtm:WRITE_AFTER_FREE.sh

 2993 16:21:42.770917  lkdtm:READ_AFTER_FREE.sh

 2994 16:21:42.774742  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2995 16:21:42.777935  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2996 16:21:42.781053  lkdtm:SLAB_FREE_DOUBLE.sh

 2997 16:21:42.784594  lkdtm:SLAB_FREE_CROSS.sh

 2998 16:21:42.784673  lkdtm:SLAB_FREE_PAGE.sh

 2999 16:21:42.787901  lkdtm:SOFTLOCKUP.sh

 3000 16:21:42.791059  lkdtm:HARDLOCKUP.sh

 3001 16:21:42.791138  lkdtm:SPINLOCKUP.sh

 3002 16:21:42.794339  lkdtm:HUNG_TASK.sh

 3003 16:21:42.794419  lkdtm:EXEC_DATA.sh

 3004 16:21:42.797651  lkdtm:EXEC_STACK.sh

 3005 16:21:42.801017  lkdtm:EXEC_KMALLOC.sh

 3006 16:21:42.801097  lkdtm:EXEC_VMALLOC.sh

 3007 16:21:42.804153  lkdtm:EXEC_RODATA.sh

 3008 16:21:42.807386  lkdtm:EXEC_USERSPACE.sh

 3009 16:21:42.807466  lkdtm:EXEC_NULL.sh

 3010 16:21:42.810577  lkdtm:ACCESS_USERSPACE.sh

 3011 16:21:42.813928  lkdtm:ACCESS_NULL.sh

 3012 16:21:42.814009  lkdtm:WRITE_RO.sh

 3013 16:21:42.817570  lkdtm:WRITE_RO_AFTER_INIT.sh

 3014 16:21:42.820684  lkdtm:WRITE_KERN.sh

 3015 16:21:42.823975  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 3016 16:21:42.826988  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 3017 16:21:42.830615  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3018 16:21:42.833976  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3019 16:21:42.837349  lkdtm:REFCOUNT_DEC_ZERO.sh

 3020 16:21:42.840193  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 3021 16:21:42.843646  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3022 16:21:42.847436  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 3023 16:21:42.850538  lkdtm:REFCOUNT_INC_ZERO.sh

 3024 16:21:42.853675  lkdtm:REFCOUNT_ADD_ZERO.sh

 3025 16:21:42.857082  lkdtm:REFCOUNT_INC_SATURATED.sh

 3026 16:21:42.860213  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3027 16:21:42.863281  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3028 16:21:42.866597  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3029 16:21:42.870454  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3030 16:21:42.876994  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3031 16:21:42.880240  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3032 16:21:42.883464  lkdtm:REFCOUNT_TIMING.sh

 3033 16:21:42.883585  lkdtm:ATOMIC_TIMING.sh

 3034 16:21:42.886665  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3035 16:21:42.890282  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3036 16:21:42.893556  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3037 16:21:42.896885  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3038 16:21:42.900213  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3039 16:21:42.906742  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3040 16:21:42.906821  lkdtm:USERCOPY_STACK_BEYOND.sh

 3041 16:21:42.913288  lkdtm:USERCOPY_<12>[   22.621180] kselftest: Running tests in lkdtm

 3042 16:21:42.916672  KERNEL.sh

 3043 16:21:42.919997  lkdtm:STACKLEAK_ERASING.sh

 3044 16:21:42.920108  lkdtm:CFI_FORWARD_PROTO.sh

 3045 16:21:42.926408  ===========End Tests to run ===============

 3046 16:21:42.926495  shardfile-lkdtm pass

 3047 16:21:42.929618  TAP version 13

 3048 16:21:42.929694  1..70

 3049 16:21:42.932922  # selftests: lkdtm: PANIC.sh

 3050 16:21:43.026663  # Skipping PANIC: crashes entire system

 3051 16:21:43.029777  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 3052 16:21:43.032946  # selftests: lkdtm: BUG.sh

 3053 16:21:43.091553  <6>[   22.802586] lkdtm: Performing direct entry BUG

 3054 16:21:43.098136  <4>[   22.807915] ------------[ cut here ]------------

 3055 16:21:43.104545  <2>[   22.813421] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3056 16:21:43.107793  <4>[   22.819588] invalid opcode: 0000 [#1] SMP PTI

 3057 16:21:43.118053  <4>[   22.824750] CPU: 3 PID: 642 Comm: cat Tainted: G        W         5.10.199-cip39 #1

 3058 16:21:43.124420  <4>[   22.833594] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3059 16:21:43.130865  <4>[   22.840692] RIP: 0010:lkdtm_BUG+0x5/0x10

 3060 16:21:43.151037  <4>[   22.845380] Code: 89 ff e8 1e dc 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 00 67 0b 03

 3061 16:21:43.157401  <4>[   22.866655] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 3062 16:21:43.164017  <4>[   22.872780] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 3063 16:21:43.173626  <4>[   22.881042] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 3064 16:21:43.180706  <4>[   22.889301] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 3065 16:21:43.190447  <4>[   22.897563] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3066 16:21:43.196520  <4>[   22.905815] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 3067 16:21:43.206791  <4>[   22.914077] FS:  00007fe59f3f8580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 3068 16:21:43.213399  <4>[   22.923404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3069 16:21:43.223417  <4>[   22.930112] CR2: 00007fe59f202000 CR3: 00000001048e8002 CR4: 00000000003706e0

 3070 16:21:43.226578  <4>[   22.938362] Call Trace:

 3071 16:21:43.229939  <4>[   22.941403]  ? __die_body.cold+0x1a/0x1f

 3072 16:21:43.233218  <4>[   22.946069]  ? die+0x2b/0x50

 3073 16:21:43.236328  <4>[   22.949573]  ? do_trap+0x91/0x110

 3074 16:21:43.242634  <4>[   22.953552]  ? lkdtm_BUG+0x5/0x10

 3075 16:21:43.246069  <4>[   22.957534]  ? do_error_trap+0x90/0x110

 3076 16:21:43.249324  <4>[   22.962104]  ? lkdtm_BUG+0x5/0x10

 3077 16:21:43.252703  <4>[   22.966092]  ? lkdtm_BUG+0x5/0x10

 3078 16:21:43.259224  <4>[   22.970084]  ? exc_invalid_op+0x4e/0x70

 3079 16:21:43.263016  <4>[   22.974651]  ? lkdtm_BUG+0x5/0x10

 3080 16:21:43.266256  <4>[   22.978632]  ? asm_exc_invalid_op+0x12/0x20

 3081 16:21:43.272754  <4>[   22.983584]  ? direct_entry+0xe0/0xe0

 3082 16:21:43.275859  <4>[   22.987961]  ? lkdtm_BUG+0x5/0x10

 3083 16:21:43.279193  <4>[   22.991951]  direct_entry.cold+0x2c/0x38

 3084 16:21:43.285900  <4>[   22.996620]  full_proxy_write+0x53/0x80

 3085 16:21:43.289067  <4>[   23.001200]  vfs_write+0xe7/0x3b0

 3086 16:21:43.292286  <4>[   23.005189]  ksys_write+0x68/0xf0

 3087 16:21:43.299296  <4>[   23.009178]  do_syscall_64+0x30/0x40

 3088 16:21:43.302252  <4>[   23.013457]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3089 16:21:43.309017  <4>[   23.019388] RIP: 0033:0x7fe59f30e473

 3090 16:21:43.328613  <4>[   23.023667] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3091 16:21:43.338372  <4>[   23.044940] RSP: 002b:00007fff2f6e65e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3092 16:21:43.344961  <4>[   23.053687] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe59f30e473

 3093 16:21:43.355335  <4>[   23.061949] RDX: 0000000000000004 RSI: 00007fe59f202000 RDI: 0000000000000001

 3094 16:21:43.361829  <4>[   23.070202] RBP: 00007fe59f202000 R08: 00007fe59f201010 R09: 0000000000000000

 3095 16:21:43.371550  <4>[   23.078455] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3096 16:21:43.377878  <4>[   23.086709] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3097 16:21:43.430586  <4>[   23.094966] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3098 16:21:43.438551  <0>[   23.149649] gsmi: Log Shutdown Reason 0x03

 3099 16:21:43.445594  <4>[   23.154526] ---[ end trace 2116846283a51494 ]---

 3100 16:21:43.448310  <4>[   23.160010] RIP: 0010:lkdtm_BUG+0x5/0x10

 3101 16:21:43.469091  <4>[   23.164690] Code: 89 ff e8 1e dc 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 00 67 0b 03

 3102 16:21:43.475587  <4>[   23.185999] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 3103 16:21:43.485820  <4>[   23.192157] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 3104 16:21:43.492266  <4>[   23.200472] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 3105 16:21:43.502578  <4>[   23.208745] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 3106 16:21:43.509152  <4>[   23.217036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3107 16:21:43.519083  <4>[   23.225349] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 3108 16:21:43.525664  <4>[   23.233610] FS:  00007fe59f3f8580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 3109 16:21:43.532435  <4>[   23.242971] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3110 16:21:43.542458  <4>[   23.249710] CR2: 00007fe59f202000 CR3: 00000001048e8002 CR4: 00000000003706e0

 3111 16:21:43.545061  # Segmentation fault

 3112 16:21:43.560420  # [   22.802586] lkdtm: Performing direct entry BUG

 3113 16:21:43.566646  # [   22.807915] ------------[ cut here ]------------

 3114 16:21:43.573094  # [   22.813421] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3115 16:21:43.576640  # [   22.819588] invalid opcode: 0000 [#1] SMP PTI

 3116 16:21:43.586076  # [   22.824750] CPU: 3 PID: 642 Comm: cat Tainted: G        W         5.10.199-cip39 #1

 3117 16:21:43.592704  # [   22.833594] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3118 16:21:43.595879  # [   22.840692] RIP: 0010:lkdtm_BUG+0x5/0x10

 3119 16:21:43.619235  # [   22.845380] Code: 89 ff e8 1e dc 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 00 67 0b 03

 3120 16:21:43.622915  <6>[   23.330040] lkdtm: Performing direct entry WARNING

 3121 16:21:43.629259  <4>[   23.339798] ------------[ cut here ]------------

 3122 16:21:43.629369  

 3123 16:21:43.635903  # [   22.866655] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 3124 16:21:43.645664  #<4>[   23.345252] WARNING: CPU: 3 PID: 680 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3125 16:21:43.705018   [   22.872780] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX:<4>[   23.361179] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3126 16:21:43.714956  <4>[   23.420167] CPU: 3 PID: 680 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3127 16:21:43.721507  <4>[   23.429039] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3128 16:21:43.724653  <4>[   23.436138] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3129 16:21:43.747845  <4>[   23.441293] 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 00 67 0b 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 66

 3130 16:21:43.754246  <4>[   23.462569] RSP: 0018:ffffa5c4013dfe60 EFLAGS: 00010202

 3131 16:21:43.760860  <4>[   23.468719] RAX: ffffffff9977b5c0 RBX: 0000000000000002 RCX: 0000000000000000

 3132 16:21:43.764076   0000000000000000

 3133 16:21:43.773997  # [   22.881042] RDX: 0000000000000000 RSI: f<4>[   23.476995] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7dc0

 3134 16:21:43.783822  <4>[   23.491462] RBP: ffffffff9ad81c4f R08: 0000000000000000 R09: 0000000000000000

 3135 16:21:43.790292  <4>[   23.499716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3136 16:21:43.800179  <4>[   23.507977] R13: ffffa5c4013dff10 R14: ffffa5c4013dff10 R15: ffff98f0c4843000

 3137 16:21:43.810183  <4>[   23.516232] FS:  00007f141fbce580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 3138 16:21:43.817044  <4>[   23.525564] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3139 16:21:43.823264  <4>[   23.532273] CR2: 00007f141f9d8000 CR3: 000000010267a006 CR4: 00000000003706e0

 3140 16:21:43.826258  <4>[   23.540536] Call Trace:

 3141 16:21:43.829665  <4>[   23.543551]  ? __warn+0x80/0x110

 3142 16:21:43.836481  <4>[   23.547475]  ? lkdtm_WARNING+0x13/0x20

 3143 16:21:43.839932  <4>[   23.551953]  ? report_bug+0x9e/0xc0

 3144 16:21:43.843176  <4>[   23.556141]  ? handle_bug+0x41/0x90

 3145 16:21:43.849664  <4>[   23.560349]  ? exc_invalid_op+0x14/0x70

 3146 16:21:43.852947  fff98f13ad9bf50 RDI: ffffffff9a8f7db0

 3147 16:21:43.859376  # [   22.889301] RBP: fff<4>[   23.564934]  ? asm_exc_invalid_op+0x12/0x20

 3148 16:21:43.862632  <4>[   23.576112]  ? lkdtm_BUG+0x10/0x10

 3149 16:21:43.869264  <4>[   23.580199]  ? lkdtm_WARNING+0x13/0x20

 3150 16:21:43.872488  <4>[   23.584675]  direct_entry.cold+0x2c/0x38

 3151 16:21:43.879507  <4>[   23.589348]  full_proxy_write+0x53/0x80

 3152 16:21:43.882510  <4>[   23.593929]  vfs_write+0xe7/0x3b0

 3153 16:21:43.885682  <4>[   23.597944]  ksys_write+0x68/0xf0

 3154 16:21:43.889358  <4>[   23.601936]  do_syscall_64+0x30/0x40

 3155 16:21:43.895610  <4>[   23.606217]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3156 16:21:43.898950  <4>[   23.612149] RIP: 0033:0x7f141fae4473

 3157 16:21:43.921828  <4>[   23.616431] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3158 16:21:43.932137  <4>[   23.637705] RSP: 002b:00007fff280d5e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3159 16:21:43.938878  <4>[   23.646454] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f141fae4473

 3160 16:21:43.948280  <4>[   23.654716] RDX: 0000000000000008 RSI: 00007f141f9d8000 RDI: 0000000000000001

 3161 16:21:43.955014  <4>[   23.662978] RBP: 00007f141f9d8000 R08: 00007f141f9d7010 R09: 0000000000000000

 3162 16:21:43.964689  <4>[   23.671241] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3163 16:21:43.971599  <4>[   23.679504] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3164 16:21:43.975086  <4>[   23.687791] irq event stamp: 0

 3165 16:21:43.981391  fffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 3166 16:21:43.987794  # [  <4>[   23.691502] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3167 16:21:43.997503  <4>[   23.705003] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3168 16:21:44.007912  <4>[   23.714453] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3169 16:21:44.014459  <4>[   23.723884] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3170 16:21:44.020830  <4>[   23.731175] ---[ end trace 2116846283a51495 ]---

 3171 16:21:44.027186   22.897563] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3172 16:21:44.037334  # [   22.905815] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 3173 16:21:44.047337  # [   22.914077] FS:  00007fe59f3f8580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 3174 16:21:44.053549  # [   22.923404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3175 16:21:44.060098  # [   22.930112] CR2: 00007fe59f202000 CR3: 00000001048e8002 CR4: 00000000003706e0

 3176 16:21:44.063559  # [   22.938362] Call Trace:

 3177 16:21:44.066539  # [   22.941403]  ? __die_body.cold+0x1a/0x1f

 3178 16:21:44.069953  # [   22.946069]  ? die+0x2b/0x50

 3179 16:21:44.076699  # [   22.949573]  ? do_trap+0x91/0x110

 3180 16:21:44.079674  # [   22.953552]  ? lkdtm_BUG+0x5/0x10

 3181 16:21:44.083273  # [   22.957534]  ? do_error_trap+0x90/0x110

 3182 16:21:44.086359  # [   22.962104]  ? lkdtm_BUG+0x5/0x10

 3183 16:21:44.096233  # [   22.966092]<6>[   23.803645] lkdtm: Performing direct entry WARNING_MESSAGE

 3184 16:21:44.099573  <4>[   23.811448] ------------[ cut here ]------------

 3185 16:21:44.103096    ? lkdtm_BUG+0x5/0x10

 3186 16:21:44.113024  # [   22.970084]  ? exc_invalid_op+0x4e/<4>[   23.816924] Warning message trigger count: 2

 3187 16:21:44.113146  0x70

 3188 16:21:44.116315  # [   22.974651]  ? lkdtm_BUG+0x5/0x10

 3189 16:21:44.129749  # [   22.978632]  <4>[   23.828229] WARNING: CPU: 3 PID: 716 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3190 16:21:44.133081  ? asm_exc_invalid_op+0x12/0x20

 3191 16:21:44.188913  # [   22.983584]  ? direct_entry<4>[   23.844936] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3192 16:21:44.198269  <4>[   23.903934] CPU: 3 PID: 716 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3193 16:21:44.205037  <4>[   23.912809] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3194 16:21:44.208131  <4>[   23.919909] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3195 16:21:44.231016  <4>[   23.925842] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 66 0b 03 48 c7 c7 b0 21 d8 9a 8d 70 01 89 35 d1 66 0b 03 e8 02 b1 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3196 16:21:44.237985  <4>[   23.947121] RSP: 0018:ffffa5c40145fe60 EFLAGS: 00010286

 3197 16:21:44.244594  <4>[   23.953278] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3198 16:21:44.254414  <4>[   23.961545] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50

 3199 16:21:44.260761  <4>[   23.969840] RBP: ffffffff9ad81c57 R08: 0000000000000000 R09: 0000000000000000

 3200 16:21:44.271247  <4>[   23.978103] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3201 16:21:44.277754  <4>[   23.986382] R13: ffffa5c40145ff10 R14: ffffa5c40145ff10 R15: ffff98f0c2bb0000

 3202 16:21:44.287590  <4>[   23.994645] FS:  00007fcdb7cf7580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 3203 16:21:44.294216  <4>[   24.003982] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3204 16:21:44.297478  +0xe0/0xe0

 3205 16:21:44.300698  # [   22.987961]  ? lkdtm_BUG+0x5/0x10

 3206 16:21:44.310583  # [   22.991<4>[   24.010720] CR2: 00007fcdb7b01000 CR3: 0000000102b44005 CR4: 00000000003706e0

 3207 16:21:44.313539  <4>[   24.025189] Call Trace:

 3208 16:21:44.317122  <4>[   24.028229]  ? __warn+0x80/0x110

 3209 16:21:44.320401  951]  direct_entry.cold+0x2c/0x38

 3210 16:21:44.326950  # [   22.996620]  full_proxy_<4>[   24.032132]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3211 16:21:44.330155  <4>[   24.043593]  ? report_bug+0x9e/0xc0

 3212 16:21:44.337054  <4>[   24.047779]  ? handle_bug+0x41/0x90

 3213 16:21:44.340121  <4>[   24.051987]  ? exc_invalid_op+0x14/0x70

 3214 16:21:44.346678  <4>[   24.056560]  ? asm_exc_invalid_op+0x12/0x20

 3215 16:21:44.349855  <4>[   24.061525]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3216 16:21:44.356405  <4>[   24.066804]  direct_entry.cold+0x2c/0x38

 3217 16:21:44.360036  <4>[   24.071477]  full_proxy_write+0x53/0x80

 3218 16:21:44.362874  <4>[   24.076053]  vfs_write+0xe7/0x3b0

 3219 16:21:44.366639  <4>[   24.080067]  ksys_write+0x68/0xf0

 3220 16:21:44.373280  <4>[   24.084057]  do_syscall_64+0x30/0x40

 3221 16:21:44.379867  <4>[   24.088339]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3222 16:21:44.379981  write+0x53/0x80

 3223 16:21:44.383059  # [   23.001200]  vfs_write+0xe7/0x3b0

 3224 16:21:44.389720  # [   2<4>[   24.094274] RIP: 0033:0x7fcdb7c0d473

 3225 16:21:44.409344  <4>[   24.104766] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3226 16:21:44.419048  <4>[   24.126040] RSP: 002b:00007fffb8c3e108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3227 16:21:44.425962  <4>[   24.134788] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fcdb7c0d473

 3228 16:21:44.435899  <4>[   24.143050] RDX: 0000000000000010 RSI: 00007fcdb7b01000 RDI: 0000000000000001

 3229 16:21:44.441905  <4>[   24.151329] RBP: 00007fcdb7b01000 R08: 00007fcdb7b00010 R09: 0000000000000000

 3230 16:21:44.445857  3.005189]  ksys_write+0x68/0xf0

 3231 16:21:44.459032  # [   23.009178]  do_syscall_64<4>[   24.159600] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3232 16:21:44.465556  <4>[   24.174072] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3233 16:21:44.468544  +0x30/0x40

 3234 16:21:44.475311  # [   23.013457]  entry_SYSCALL_64_after_hwframe+0x6<4>[   24.182342] irq event stamp: 0

 3235 16:21:44.482226  <4>[   24.192254] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3236 16:21:44.491607  <4>[   24.199545] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3237 16:21:44.501863  <4>[   24.208973] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3238 16:21:44.508362  <4>[   24.218398] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3239 16:21:44.514915  <4>[   24.225693] ---[ end trace 2116846283a51496 ]---

 3240 16:21:44.515062  2/0xc7

 3241 16:21:44.521259  # [   23.019388] RIP: 0033:0x7fe59f30e473

 3242 16:21:44.541485  # [   23.023667] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3243 16:21:44.551136  # [   23.044940] RSP: 002b:00007fff2f6e65e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3244 16:21:44.557652  # [   23.053687] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe59f30e473

 3245 16:21:44.567615  # [   23.061949] RDX: 0000000000000004 RSI: 00007fe59f202000 RDI: 0000000000000001

 3246 16:21:44.573951  # [   23.070202] RBP: 00007fe59f202000 R08: 00007fe59f201010 R09: 0000000000000000

 3247 16:21:44.584041  # [   23.078455] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3248 16:21:44.590886  # [   23.0<6>[   24.298543] lkdtm: Performing direct entry EXCEPTION

 3249 16:21:44.603776  86709] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000<1>[   24.305412] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3250 16:21:44.610536  <1>[   24.319673] #PF: supervisor write access in kernel mode

 3251 16:21:44.616979  <1>[   24.325795] #PF: error_code(0x0002) - not-present page

 3252 16:21:44.620234  <6>[   24.331820] PGD 0 P4D 0 

 3253 16:21:44.623523  <4>[   24.334934] Oops: 0002 [#2] SMP PTI

 3254 16:21:44.633578  <4>[   24.339116] CPU: 0 PID: 749 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3255 16:21:44.640068  <4>[   24.347959] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3256 16:21:44.643850  <4>[   24.355055] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3257 16:21:44.666783  <4>[   24.360303] Code: 48 c7 c7 b0 21 d8 9a 8d 70 01 89 35 d1 66 0b 03 e8 02 b1 69 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <c7> 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84

 3258 16:21:44.673027  <4>[   24.381574] RSP: 0018:ffffa5c4014dfe60 EFLAGS: 00010282

 3259 16:21:44.679801  <4>[   24.387697] RAX: ffffffff9977b610 RBX: 0000000000000004 RCX: 0000000000000000

 3260 16:21:44.689717  <4>[   24.395955] RDX: 0000000000000000 RSI: ffff98f13ac1bf50 RDI: ffffffff9a8f7de0

 3261 16:21:44.696234  <4>[   24.404215] RBP: ffffffff9ac7593f R08: 0000000000000000 R09: 0000000000000000

 3262 16:21:44.706212  <4>[   24.412473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3263 16:21:44.712985  <4>[   24.420733] R13: ffffa5c4014dff10 R14: ffffa5c4014dff10 R15: ffff98f0c2ebd000

 3264 16:21:44.722925  <4>[   24.428993] FS:  00007fbb03856580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 3265 16:21:44.729423  <4>[   24.438338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3266 16:21:44.735850  <4>[   24.445043] CR2: 0000000000000000 CR3: 0000000106f64005 CR4: 00000000003706f0

 3267 16:21:44.739002  <4>[   24.453301] Call Trace:

 3268 16:21:44.745539  <4>[   24.456346]  ? __die_body.cold+0x1a/0x1f

 3269 16:21:44.749126  <4>[   24.461021]  ? no_context+0x177/0x380

 3270 16:21:44.755514  <4>[   24.465399]  ? exc_page_fault+0x53/0x170

 3271 16:21:44.758694  <4>[   24.470071]  ? asm_exc_page_fault+0x1e/0x30

 3272 16:21:44.765360  <4>[   24.475031]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3273 16:21:44.768558  <4>[   24.480280]  ? lkdtm_EXCEPTION+0x5/0x20

 3274 16:21:44.772214  <4>[   24.484852]  direct_entry.cold+0x2c/0x38

 3275 16:21:44.778990  <4>[   24.489520]  full_proxy_write+0x53/0x80

 3276 16:21:44.781986  <4>[   24.494096]  vfs_write+0xe7/0x3b0

 3277 16:21:44.785614  <4>[   24.498083]  ksys_write+0x68/0xf0

 3278 16:21:44.792102  <4>[   24.502072]  do_syscall_64+0x30/0x40

 3279 16:21:44.795108  <4>[   24.506350]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3280 16:21:44.802067  <4>[   24.512280] RIP: 0033:0x7fbb0376c473

 3281 16:21:44.821891  <4>[   24.516557] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3282 16:21:44.831497  <4>[   24.537828] RSP: 002b:00007ffede288388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3283 16:21:44.838064  <4>[   24.546574] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbb0376c473

 3284 16:21:44.848196  <4>[   24.554833] RDX: 000000000000000a RSI: 00007fbb03660000 RDI: 0000000000000001

 3285 16:21:44.855027  <4>[   24.563091] RBP: 00007fbb03660000 R08: 00007fbb0365f010 R09: 0000000000000000

 3286 16:21:44.864932  <4>[   24.571351] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3287 16:21:44.871302  <4>[   24.579612] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3288 16:21:44.923801  <4>[   24.587874] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3289 16:21:44.927071  <4>[   24.640636] CR2: 0000000000000000

 3290 16:21:44.934142  <4>[   24.644624] ---[ end trace 2116846283a51497 ]---

 3291 16:21:44.937210  <4>[   24.650070] RIP: 0010:lkdtm_BUG+0x5/0x10

 3292 16:21:44.960468  <4>[   24.654728] Code: 89 ff e8 1e dc 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 00 67 0b 03

 3293 16:21:44.966812  <4>[   24.675997] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 3294 16:21:44.973381  <4>[   24.682119] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 3295 16:21:44.983028  <4>[   24.690386] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 3296 16:21:44.990030  <4>[   24.698644] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 3297 16:21:44.999600  <4>[   24.706901] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3298 16:21:45.006668  <4>[   24.715160] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 3299 16:21:45.016414  <4>[   24.723419] FS:  00007fbb03856580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 3300 16:21:45.022581  <4>[   24.732747] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3301 16:21:45.032951  <4>[   24.739446] CR2: 0000000000000000 CR3: 0000000106f64005 CR4: 00000000003706f0

 3302 16:21:45.042641  <3>[   24.747708] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3303 16:21:45.049244  <3>[   24.757909] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 749, name: cat

 3304 16:21:45.055866  <4>[   24.766556] INFO: lockdep is turned off.

 3305 16:21:45.059041  <4>[   24.771223] irq event stamp: 0

 3306 16:21:45.065911  <4>[   24.774919] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3307 16:21:45.075690  <4>[   24.782209] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3308 16:21:45.085985  <4>[   24.791635] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3309 16:21:45.092436  <4>[   24.801061] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3310 16:21:45.102041  <4>[   24.808343] CPU: 0 PID: 749 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3311 16:21:45.109010  <4>[   24.817183] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3312 16:21:45.112205  <4>[   24.824278] Call Trace:

 3313 16:21:45.115370  <4>[   24.827297]  dump_stack+0x77/0x9b

 3314 16:21:45.118624  <4>[   24.831291]  ___might_sleep.cold+0xa6/0xb6

 3315 16:21:45.125211  <4>[   24.836160]  exit_signals+0x1c/0x300

 3316 16:21:45.128499  <4>[   24.840446]  do_exit+0xc2/0xab0

 3317 16:21:45.131556  <4>[   24.844231]  ? ksys_write+0x68/0xf0

 3318 16:21:45.138485  <4>[   24.848404]  make_task_dead+0x2f/0x30

 3319 16:21:45.141641  <4>[   24.852774]  rewind_stack_and_make_dead+0x17/0x20

 3320 16:21:45.144850  <4>[   24.858316] RIP: 0033:0x7fbb0376c473

 3321 16:21:45.167950  <4>[   24.862596] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3322 16:21:45.177964  <4>[   24.883866] RSP: 002b:00007ffede288388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3323 16:21:45.184256  <4>[   24.892613] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbb0376c473

 3324 16:21:45.194287  <4>[   24.900871] RDX: 000000000000000a RSI: 00007fbb03660000 RDI: 0000000000000001

 3325 16:21:45.200685  <4>[   24.909130] RBP: 00007fbb03660000 R08: 00007fbb0365f010 R09: 0000000000000000

 3326 16:21:45.210874  <4>[   24.917388] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3327 16:21:45.217260  <4>[   24.925649] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3328 16:21:45.217417  00020000

 3329 16:21:45.270011  # [   23.094966] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3330 16:21:45.276465  # [   23.149649] gsmi: Log Shutdown Reason 0x03

 3331 16:21:45.280231  # [   23.154526] ---[ end trace 2116846283a51494 ]---

 3332 16:21:45.286482  # [   23.160010] RIP: 0010:lkdtm_BUG+0x5/0x10

 3333 16:21:45.306224  # [   23.164690] Code: 89 ff e8 1e dc 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 00 67 0b 03

 3334 16:21:45.312956  # [   23.185999] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 3335 16:21:45.323031  # [   23.192157] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 3336 16:21:45.329455  # [   23.200472] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 3337 16:21:45.339238  # [   23.208745] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 3338 16:21:45.345584  # [   23.217036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3339 16:21:45.352630  # [   23.225349] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 3340 16:21:45.362303  # [   23.233610] FS:  00007fe59f3f8580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 3341 16:21:45.369008  # [   23.242971] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3342 16:21:45.378904  # [   23.249710] CR2: 00007fe59f202000 CR3: 00000001048e8002 CR4: 00000000003706e0

 3343 16:21:45.381901  # BUG: saw 'kernel BUG at': ok

 3344 16:21:45.385507  ok 2 selftests: lkdtm: BUG.sh

 3345 16:21:45.388982  # selftests: lkdtm: WARNING.sh

 3346 16:21:45.392302  # [   23.330040] lkdtm: Performing direct entry WARNING

 3347 16:21:45.399006  # [   23.339798] ------------[ cut here ]------------

 3348 16:21:45.408903  # [   23.345252] WARNING: CPU: 3 PID: 680 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3349 16:21:45.421695  # [   23.361179] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvide<6>[   25.127255] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3350 16:21:45.428580  <6>[   25.139333] lkdtm: attempting good list addition

 3351 16:21:45.441794  o cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_<6>[   25.144791] lkdtm: attempting corrupted list addition

 3352 16:21:45.447977  <3>[   25.156931] lkdtm: list_add() corruption not detected!

 3353 16:21:45.484344  buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3354 16:21:45.494075  # [   23.420167] CPU: 3 PID: 680 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3355 16:21:45.500964  # [   23.429039] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3356 16:21:45.503843  # [   23.436138] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3357 16:21:45.520558  # [   23.441293] 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 <6>[   25.230151] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3358 16:21:45.533407  00 83 05 00 67 0b 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc<6>[   25.237884] lkdtm: attempting good list removal

 3359 16:21:45.539952  <6>[   25.249443] lkdtm: attempting corrupted list removal

 3360 16:21:45.543436   cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 66

 3361 16:21:45.550103  # [   23.46256<3>[   25.255284] lkdtm: list_del() corruption not detected!

 3362 16:21:45.556622  9] RSP: 0018:ffffa5c4013dfe60 EFLAGS: 00010202

 3363 16:21:45.563423  # [   23.468719] RAX: ffffffff9977b5c0 RBX: 0000000000000002 RCX: 0000000000000000

 3364 16:21:45.573065  # [   23.476995] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7dc0

 3365 16:21:45.579502  # [   23.491462] RBP: ffffffff9ad81c4f R08: 0000000000000000 R09: 0000000000000000

 3366 16:21:45.590096  # [   23.499716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3367 16:21:45.596477  # [   23.507977] R13: ffffa5c4013dff10 R14: ffffa5c4013dff10 R15: ffff98f0c4843000

 3368 16:21:45.606472  # [   23.516232] FS:  00007f141fbce580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 3369 16:21:45.612816  # [   23.525564] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3370 16:21:45.626289  # [   23.532273] CR2: 00007f141f9d8000 CR3: 000000010267a006 CR4: 0000000<6>[   25.331108] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3371 16:21:45.629203  0003706e0

 3372 16:21:45.632569  # [   23.540536] Call Trace:

 3373 16:21:45.639096  # [   23.543551]  ? __w<6>[   25.343240] lkdtm: attempting bad read from page below current stack

 3374 16:21:45.642730  arn+0x80/0x110

 3375 16:21:45.645985  # [   23.547475]  ? lkdtm_WARNING+0x13/0x20

 3376 16:21:45.658842  # [<0>[   25.356859] BUG: stack guard page was hit at 000000004fabc69d (stack is 00000000d7957562..000000003aba6bf9)

 3377 16:21:45.665595  <4>[   25.374215] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3378 16:21:45.675397  <4>[   25.381311] CPU: 0 PID: 981 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3379 16:21:45.682186  <4>[   25.390153] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3380 16:21:45.688617  <4>[   25.397251] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3381 16:21:45.708647  <4>[   25.404060] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 50 25 d8 9a 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ee de fb ff 48 c7 c7 90 25 d8 9a <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d4 de fb ff 0f 1f 44

 3382 16:21:45.715287  <4>[   25.425324] RSP: 0018:ffffa5c401867e50 EFLAGS: 00010246

 3383 16:21:45.725013  <4>[   25.431447] RAX: 0000000000000038 RBX: ffffa5c401864000 RCX: 0000000000000000

 3384 16:21:45.732154  <4>[   25.439707] RDX: 0000000000000000 RSI: ffff98f13ac1bf50 RDI: ffffffff9ad82590

 3385 16:21:45.741849  <4>[   25.447966] RBP: ffffffff9ad81cba R08: 0000000000000000 R09: 0000000000000000

 3386 16:21:45.748581  <4>[   25.456225] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3387 16:21:45.758090  <4>[   25.464484] R13: ffffa5c401867f10 R14: ffffa5c401867f10 R15: ffff98f0c48f4000

 3388 16:21:45.764763  <4>[   25.472743] FS:  00007fd88e530580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 3389 16:21:45.770919  <4>[   25.482070] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3390 16:21:45.781780  <4>[   25.488777] CR2: ffffa5c401863fff CR3: 00000001029b0002 CR4: 00000000003706f0

 3391 16:21:45.784103  <4>[   25.497037] Call Trace:

 3392 16:21:45.787763  <4>[   25.500054]  <#DF>

 3393 16:21:45.791058  <4>[   25.502588]  ? __die_body.cold+0x1a/0x1f

 3394 16:21:45.794545  <4>[   25.507263]  ? die+0x2b/0x50

 3395 16:21:45.801039  <4>[   25.510772]  ? handle_stack_overflow+0x3e/0x4d

 3396 16:21:45.804220  <4>[   25.516025]  ? no_context+0x24d/0x380

 3397 16:21:45.807506  <4>[   25.520399]  </#DF>

 3398 16:21:45.860022  <4>[   25.523026] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3399 16:21:45.867058  <4>[   25.575792] ---[ end trace 2116846283a51498 ]---

 3400 16:21:45.869888  <4>[   25.581241] RIP: 0010:lkdtm_BUG+0x5/0x10

 3401 16:21:45.890000  <4>[   25.585909] Code: 89 ff e8 1e dc 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 00 67 0b 03

 3402 16:21:45.896851  <4>[   25.607181] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 3403 16:21:45.906068  <4>[   25.613296] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 3404 16:21:45.913047  <4>[   25.621554] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 3405 16:21:45.923011  <4>[   25.629814] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 3406 16:21:45.929533  <4>[   25.638073] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3407 16:21:45.939355  <4>[   25.646333] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 3408 16:21:45.949373  <4>[   25.654592] FS:  00007fd88e530580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 3409 16:21:45.955762  <4>[   25.663920] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3410 16:21:45.962432  <4>[   25.670626] CR2: ffffa5c401863fff CR3: 00000001029b0002 CR4: 00000000003706f0

 3411 16:21:45.965590     23.551953]  ? report_bug+0x9e/0xc0

 3412 16:21:45.972378  # [   23.556141]  ? handle_bug+0x41/0x90

 3413 16:21:45.975482  # [   23.560349]  ? exc_invalid_op+0x14/0x70

 3414 16:21:45.978632  # [   23.564934]  ? asm_exc_invalid_op+0x12/0x20

 3415 16:21:45.985602  # [   23.576112]  ? lkdtm_BUG+0x10/0x10

 3416 16:21:45.988656  # [   23.580199]  ? lkdtm_WARNING+0x13/0x20

 3417 16:21:45.991855  # [   23.584675]  direct_entry.cold+0x2c/0x38

 3418 16:21:45.998836  # [   23.589348]  full_proxy_write+0x53/0x80

 3419 16:21:46.001887  # [   23.593929]  vfs_write+0xe7/0x3b0

 3420 16:21:46.005495  # [   23.597944]  ksys_write+0x68/0xf0

 3421 16:21:46.008617  # [   23.601936]  do_syscall_64+0x30/0x40

 3422 16:21:46.015193  # [   23.606217]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3423 16:21:46.018375  # [   23.612149] RIP: 0033:0x7f141fae4473

 3424 16:21:46.044440  # [   23.616431] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40<6>[   25.750688] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3425 16:21:46.050897  <6>[   25.760872] lkdtm: attempting bad read from page above current stack

 3426 16:21:46.064276  <0>[   25.768297] BUG: stack guard page was hit at 000000000920cd9e (stack is 00000000651d215b..00000000abda5cf0)

 3427 16:21:46.070882  <4>[   25.779500] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3428 16:21:46.080552  <4>[   25.786595] CPU: 3 PID: 1015 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3429 16:21:46.087610  <4>[   25.795533] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3430 16:21:46.093685  <4>[   25.802629] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3431 16:21:46.113537  <4>[   25.809530] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 c8 25 d8 9a 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b4 de fb ff 48 c7 c7 08 26 d8 9a <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 97 de fb ff

 3432 16:21:46.120462  <4>[   25.830798] RSP: 0018:ffffa5c4018d7e50 EFLAGS: 00010246

 3433 16:21:46.129880  <4>[   25.836928] RAX: 0000000000000038 RBX: ffffa5c4018d4000 RCX: 0000000000000000

 3434 16:21:46.136688  <4>[   25.845188] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9ad82608

 3435 16:21:46.146870  <4>[   25.853448] RBP: ffffffff9ad81cd3 R08: 0000000000000000 R09: 0000000000000000

 3436 16:21:46.153210  <4>[   25.861709] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3437 16:21:46.162867  <4>[   25.869968] R13: ffffa5c4018d7f10 R14: ffffa5c4018d7f10 R15: ffff98f0c6c1a000

 3438 16:21:46.172813  <4>[   25.878225] FS:  00007f2050995580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 3439 16:21:46.179275  <4>[   25.887552] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3440 16:21:46.186332  <4>[   25.894257] CR2: ffffa5c4018d8000 CR3: 0000000102b04001 CR4: 00000000003706e0

 3441 16:21:46.189559  <4>[   25.902516] Call Trace:

 3442 16:21:46.192866  <4>[   25.905533]  <#DF>

 3443 16:21:46.195931  <4>[   25.908065]  ? __die_body.cold+0x1a/0x1f

 3444 16:21:46.198942  <4>[   25.912734]  ? die+0x2b/0x50

 3445 16:21:46.206085  <4>[   25.916239]  ? handle_stack_overflow+0x3e/0x4d

 3446 16:21:46.209404  <4>[   25.921489]  ? no_context+0x24d/0x380

 3447 16:21:46.212508  <4>[   25.925863]  </#DF>

 3448 16:21:46.215912   0<0 48 83 ec 28 48 89 54 24 18

 3449 16:21:46.271764  # [   23.637705] RSP: 002b:000074>[   25.928489] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3450 16:21:46.278239  <4>[   25.987477] ---[ end trace 2116846283a51499 ]---

 3451 16:21:46.281416  <4>[   25.992923] RIP: 0010:lkdtm_BUG+0x5/0x10

 3452 16:21:46.301339  <4>[   25.997589] Code: 89 ff e8 1e dc 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 00 67 0b 03

 3453 16:21:46.308152  <4>[   26.018859] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 3454 16:21:46.318054  <4>[   26.024983] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 3455 16:21:46.324491  <4>[   26.033241] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 3456 16:21:46.334047  <4>[   26.041499] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 3457 16:21:46.341096  <4>[   26.049757] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3458 16:21:46.350835  <4>[   26.058015] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 3459 16:21:46.360584  <4>[   26.066273] FS:  00007f2050995580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 3460 16:21:46.366961  <4>[   26.075600] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3461 16:21:46.373485  <4>[   26.082306] CR2: ffffa5c4018d8000 CR3: 0000000102b04001 CR4: 00000000003706e0

 3462 16:21:46.383946  <3>[   26.090588] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3463 16:21:46.393697  <3>[   26.100788] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1015, name: cat

 3464 16:21:46.397120  <4>[   26.109531] INFO: lockdep is turned off.

 3465 16:21:46.403333  <4>[   26.114198] irq event stamp: 0

 3466 16:21:46.409931  <4>[   26.117893] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3467 16:21:46.419606  <4>[   26.125182] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3468 16:21:46.426179  <4>[   26.134608] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3469 16:21:46.436331  <4>[   26.144030] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3470 16:21:46.442896  <4>[   26.151335] CPU: 3 PID: 1015 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3471 16:21:46.452550  <4>[   26.160275] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3472 16:21:46.452678  <4>[   26.167388] Call Trace:

 3473 16:21:46.459533  <4>[   26.170397]  dump_stack+0x77/0x9b

 3474 16:21:46.462577  <4>[   26.174389]  ___might_sleep.cold+0xa6/0xb6

 3475 16:21:46.465965  <4>[   26.179251]  exit_signals+0x1c/0x300

 3476 16:21:46.472173  <4>[   26.183530]  do_exit+0xc2/0xab0

 3477 16:21:46.476016  <4>[   26.187340]  ? ksys_write+0x68/0xf0

 3478 16:21:46.479179  <4>[   26.191523]  make_task_dead+0x2f/0x30

 3479 16:21:46.485831  <4>[   26.195900]  rewind_stack_and_make_dead+0x17/0x20

 3480 16:21:46.488980  <4>[   26.201440] RIP: 0033:0x7f20508ab473

 3481 16:21:46.512167  <4>[   26.205720] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3482 16:21:46.518707  <4>[   26.226982] RSP: 002b:00007ffd36658598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3483 16:21:46.528103  <4>[   26.235727] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f20508ab473

 3484 16:21:46.534879  <4>[   26.243987] RDX: 000000000000001a RSI: 00007f205079f000 RDI: 0000000000000001

 3485 16:21:46.544888  <4>[   26.252245] RBP: 00007f205079f000 R08: 00007f205079e010 R09: 0000000000000000

 3486 16:21:46.551136  <4>[   26.260505] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3487 16:21:46.561425  <4>[   26.268765] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3488 16:21:46.567585  fff280d5e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3489 16:21:46.574562  # [   23.646454] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f141fae4473

 3490 16:21:46.584214  # [   23.654716] RDX: 0000000000000008 RSI: 00007f141f9d8000 RDI: 0000000000000001

 3491 16:21:46.590732  # [   23.662978] RBP: 00007f141f9d8000 R08: 00007f141f9d7010 R09: 0000000000000000

 3492 16:21:46.600461  # [   23.671241] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3493 16:21:46.607008  # [   23.679504] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3494 16:21:46.610369  # [   23.687791] irq event stamp: 0

 3495 16:21:46.617315  # [   23.691502] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3496 16:21:46.626903  # [   23.705003] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3497 16:21:46.636669  # [   23.714453] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3498 16:21:46.643130  # [   23.723884] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3499 16:21:46.653168  # [   23.731175] ---[ end trace 2116846283<6>[   26.359733] lkdtm: Performing direct entry UNSET_SMEP

 3500 16:21:46.656824  a51495 ]---

 3501 16:21:46.656918  # WARNING: saw 'WARNING:': ok

 3502 16:21:46.666478  ok 3 selftests: lkdt<6>[   26.370013] lkdtm: trying to clear SMEP normally

 3503 16:21:46.666595  m: WARNING.sh

 3504 16:21:46.669917  # selftests: lkdtm: WARNING_MESSAGE.sh

 3505 16:21:46.676274  # [   23.<4>[   26.381676] ------------[ cut here ]------------

 3506 16:21:46.682948  803645] lkdtm: Performing direct entry WARNING_MESSAGE

 3507 16:21:46.689618  # [   23<4>[   26.393341] pinned CR4 bits changed: 0x100000!?

 3508 16:21:46.693096  .811448] ------------[ cut here ]------------

 3509 16:21:46.706197  # [   23.816924] <4>[   26.404911] WARNING: CPU: 1 PID: 1052 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60

 3510 16:21:46.709496  Warning message trigger count: 2

 3511 16:21:46.766021  # [   23.828229] WARNING: CPU:<4>[   26.421616] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3512 16:21:46.779154   3 PID: 716 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAG<4>[   26.480564] CPU: 1 PID: 1052 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3513 16:21:46.782138  E+0x20/0x30

 3514 16:21:46.791860  # [   23.844936] Modules linked in: fuse ip_tables <4>[   26.495721] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3515 16:21:46.805263  cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core <4>[   26.509035] RIP: 0010:native_write_cr4+0x45/0x60

 3516 16:21:46.831588  videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops<4>[   26.520697] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 38 5e 66 02 00 75 f2 48 c7 c7 e0 f9 c7 9a c6 05 28 5e 66 02 01 e8 8d 45 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3517 16:21:46.844900   kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_de<4>[   26.548186] RSP: 0018:ffffa5c401987e48 EFLAGS: 00010286

 3518 16:21:46.857816  bugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightba<4>[   26.560533] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000

 3519 16:21:46.867815  <4>[   26.575008] RDX: ffff98f13acac620 RSI: ffff98f13ac9bf50 RDI: ffff98f13ac9bf50

 3520 16:21:46.881314  r cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_ch<4>[   26.583270] RBP: ffffffff9ad81ced R08: 0000000000000000 R09: 0000000000000000

 3521 16:21:46.897618  arger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev vi<4>[   26.597767] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3522 16:21:46.912285  deobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pst<4>[   26.612248] R13: ffffa5c401987f10 R14: ffffa5c401987f10 R15: ffff98f0c6f73000

 3523 16:21:46.915733  ore cros_kbd_led_backlight coreboot_table

 3524 16:21:46.925135  # [   23.903934] CPU:<4>[   26.626727] FS:  00007ff291f82580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000

 3525 16:21:46.931831  <4>[   26.642269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3526 16:21:46.948253   3 PID: 716 Comm: cat Tainted: G      D W         5.10.199-cip39<4>[   26.648980] CR2: 00007ff291d8c000 CR3: 0000000102b06001 CR4: 00000000003706e0

 3527 16:21:46.951480  <4>[   26.663452] Call Trace:

 3528 16:21:46.951608   #1

 3529 16:21:46.961797  # [   23.912809] Hardware name: Google Rammus/Rammus, BIOS <4>[   26.666477]  ? __warn+0x80/0x110

 3530 16:21:46.961954   09/04/2020

 3531 16:21:46.971424  # [   23.919909] RIP: 0010:lkdtm_WARNING_MESSAGE+0x<4>[   26.676575]  ? native_write_cr4+0x45/0x60

 3532 16:21:46.971573  20/0x30

 3533 16:21:46.980931  # [   23.925842] Code: cc cc cc cc 66 0f 1f 44 00 00 0f<4>[   26.687559]  ? report_bug+0x9e/0xc0

 3534 16:21:46.991153   1f 44 00 00 8b 05 e1 66 0b 03 48 c7 c7 b0 21 d8 9a 8d 70 01 89 <4>[   26.697984]  ? handle_bug+0x41/0x90

 3535 16:21:46.997542  <4>[   26.708390]  ? exc_invalid_op+0x14/0x70

 3536 16:21:47.007210  35 d1 66 0b 03 e8 02 b1 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84<4>[   26.712963]  ? asm_exc_invalid_op+0x12/0x20

 3537 16:21:47.010502   00 00 00 00 00 0f 1f 44 00 00 c7

 3538 16:21:47.020767  # [   23.947121] RSP: 0018:ff<4>[   26.724135]  ? native_write_cr4+0x45/0x60

 3539 16:21:47.023988  <4>[   26.735115]  ? native_write_cr4+0x45/0x60

 3540 16:21:47.027047  ffa5c40145fe60 EFLAGS: 00010286

 3541 16:21:47.033564  # [   23.953278] RAX: 000000000<4>[   26.739885]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3542 16:21:47.040080  <4>[   26.751249]  direct_entry.cold+0x2c/0x38

 3543 16:21:47.043550  0000000 RBX: 0000000000000003 RCX: 0000000000000000

 3544 16:21:47.050097  # [   23.96<4>[   26.755946]  full_proxy_write+0x53/0x80

 3545 16:21:47.060467  1545] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13<4>[   26.766727]  vfs_write+0xe7/0x3b0

 3546 16:21:47.063543  <4>[   26.776932]  ksys_write+0x68/0xf0

 3547 16:21:47.066818  ad9bf50

 3548 16:21:47.076306  # [   23.969840] RBP: ffffffff9ad81c57 R08: 00000000000<4>[   26.780925]  do_syscall_64+0x30/0x40

 3549 16:21:47.080155  <4>[   26.791413]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3550 16:21:47.082855  00000 R09: 0000000000000000

 3551 16:21:47.093077  # [   23.978103] R10: 00000000ffffe<4>[   26.797372] RIP: 0033:0x7ff291e98473

 3552 16:21:47.112944  <4>[   26.807862] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3553 16:21:47.119504  000 R11: 3fffffffffffffff R12: 0000000000000010

 3554 16:21:47.129201  # [   23.986382<4>[   26.829137] RSP: 002b:00007ffc74b9c648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3555 16:21:47.142690  ] R13: ffffa5c40145ff10 R14: ffffa5c40145ff10 R15: ffff98f0c2bb0<4>[   26.844096] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff291e98473

 3556 16:21:47.149327  <4>[   26.858574] RDX: 000000000000000b RSI: 00007ff291d8c000 RDI: 0000000000000001

 3557 16:21:47.152175  000

 3558 16:21:47.165804  # [   23.994645] FS:  00007fcdb7cf7580(0000) GS:ffff98f13ad<4>[   26.866839] RBP: 00007ff291d8c000 R08: 00007ff291d8b010 R09: 0000000000000000

 3559 16:21:47.172495  <4>[   26.881327] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3560 16:21:47.175679  80000(0000) knlGS:0000000000000000

 3561 16:21:47.188700  # [   24.003982] CS:  0010 D<4>[   26.889597] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3562 16:21:47.192004  S: 0000 ES: 0000 CR0: 0000000080050033

 3563 16:21:47.198726  # [   24.010720] CR2: 00<4>[   26.904075] irq event stamp: 0

 3564 16:21:47.204985  <4>[   26.913985] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3565 16:21:47.211971  007fcdb7b01000 CR3: 0000000102b44005 CR4: 00000000003706e0

 3566 16:21:47.221656  # [ <4>[   26.921279] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3567 16:21:47.231394  <4>[   26.936915] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3568 16:21:47.231566    24.025189] Call Trace:

 3569 16:21:47.238329  # [   24.028229]  ? __warn+0x80/0x110

 3570 16:21:47.244821  <4>[   26.946346] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3571 16:21:47.248056  <4>[   26.959844] ---[ end trace 2116846283a5149a ]---

 3572 16:21:47.248183  

 3573 16:21:47.254524  # [   24.032132]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3574 16:21:47.261210  # [   24.0<6>[   26.965292] lkdtm: ok: SMEP did not get cleared

 3575 16:21:47.267482  <6>[   26.976849] lkdtm: trying to clear SMEP with call gadget

 3576 16:21:47.271197  <6>[   26.983074] lkdtm: ok: SMEP removal was reverted

 3577 16:21:47.274400  43593]  ? report_bug+0x9e/0xc0

 3578 16:21:47.280976  # [   24.047779]  ? handle_bug+0x41/0x90

 3579 16:21:47.284550  # [   24.051987]  ? exc_invalid_op+0x14/0x70

 3580 16:21:47.287257  # [   24.056560]  ? asm_exc_invalid_op+0x12/0x20

 3581 16:21:47.294242  # [   24.061525]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3582 16:21:47.297664  # [   24.066804]  direct_entry.cold+0x2c/0x38

 3583 16:21:47.303922  # [   24.071477]  full_proxy_write+0x53/0x80

 3584 16:21:47.307396  # [   24.076053]  vfs_write+0xe7/0x3b0

 3585 16:21:47.310491  # [   24.080067]  ksys_write+0x68/0xf0

 3586 16:21:47.313757  # [   24.084057]  do_syscall_64+0x30/0x40

 3587 16:21:47.320622  # [   24.088339]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3588 16:21:47.323876  # [   24.094274] RIP: 0033:0x7fcdb7c0d473

 3589 16:21:47.347065  # [   24.104766] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3590 16:21:47.360067  # [   24.126040] RSP: 002b:00007fffb8c3e108 EFLAGS: 00000246 ORIG_RAX: 0<6>[   27.064089] lkdtm: Performing direct entry DOUBLE_FAULT

 3591 16:21:47.363372  <3>[   27.075445] lkdtm: XFAIL: this test is ia32-only

 3592 16:21:47.366501  000000000000001

 3593 16:21:47.373291  # [   24.134788] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fcdb7c0d473

 3594 16:21:47.382942  # [   24.143050] RDX: 0000000000000010 RSI: 00007fcdb7b01000 RDI: 0000000000000001

 3595 16:21:47.389958  # [   24.151329] RBP: 00007fcdb7b01000 R08: 00007fcdb7b00010 R09: 0000000000000000

 3596 16:21:47.399365  # [   24.159600] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3597 16:21:47.406290  # [   24.174072] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3598 16:21:47.409686  # [   24.182342] irq event stamp: 0

 3599 16:21:47.419221  # [   24.192254] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3600 16:21:47.426030  # [   24.199545] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3601 16:21:47.438922  # [   24.208973] softirqs last  enabled at (0): [<ffffffff98<6>[   27.146423] lkdtm: Performing direct entry CORRUPT_PAC

 3602 16:21:47.445435  <3>[   27.155329] lkdtm: XFAIL: this test is arm64-only

 3603 16:21:47.449168  cfd6cc>] copy_process+0x65c/0x20e0

 3604 16:21:47.455770  # [   24.218398] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3605 16:21:47.462233  # [   24.225693] ---[ end trace 2116846283a51496 ]---

 3606 16:21:47.465438  # WARNING_MESSAGE: saw 'message trigger': ok

 3607 16:21:47.468645  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh

 3608 16:21:47.471876  # selftests: lkdtm: EXCEPTION.sh

 3609 16:21:47.471992  # Killed

 3610 16:21:47.479122  # [   24.298543] lkdtm: Performing direct entry EXCEPTION

 3611 16:21:47.486260  # [   24.305412] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3612 16:21:47.493363  # [   24.319673] #PF: supervisor write access in kernel mode

 3613 16:21:47.499923  # [   24.325795] #PF: error_code(0x0002) - not-present page

 3614 16:21:47.503156  # [   24.331820] PGD 0 P4D 0 

 3615 16:21:47.506481  # [   24.334934] Oops: 0002 [#2] SMP PTI

 3616 16:21:47.516095  # [   24.339116] CPU: 0 PID: 749 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3617 16:21:47.526104  # [   24.347959] Hardware name: Google Ramm<6>[   27.232272] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3618 16:21:47.535807  <3>[   27.242949] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3619 16:21:47.539065  us/Rammus, BIOS  09/04/2020

 3620 16:21:47.542362  # [   24.355055] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3621 16:21:47.562322  # [   24.360303] Code: 48 c7 c7 b0 21 d8 9a 8d 70 01 89 35 d1 66 0b 03 e8 02 b1 69 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <c7> 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84

 3622 16:21:47.569005  # [   24.381574] RSP: 0018:ffffa5c4014dfe60 EFLAGS: 00010282

 3623 16:21:47.578642  # [   24.387697] RAX: ffffffff9977b610 RBX: 0000000000000004 RCX: 0000000000000000

 3624 16:21:47.585413  # [   24.395955] RDX: 0000000000000000 RSI: ffff98f13ac1bf50 RDI: ffffffff9a8f7de0

 3625 16:21:47.595410  # [   24.404215] RBP: ffffffff9ac7593f R08: 0000000000000000 R09: 0000000000000000

 3626 16:21:47.601987  # [   24.412473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3627 16:21:47.611895  # [   24.420733] R13: ffffa5c4014dff10 R14: ffffa5c4014dff10 R15: ffff98f0c2ebd000

 3628 16:21:47.618262  # [   24.428993] FS:  00007fbb03856580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 3629 16:21:47.625050  # [   24.438338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3630 16:21:47.634576  # [   24.445043] CR2: 0000000000000000 CR3: 0000000106f64005 CR4: 00000000003706f0

 3631 16:21:47.638159  # [   24.453301] Call Trace:

 3632 16:21:47.641265  # [   24.456346]  ? __die_body.cold+0x1a/0x1f

 3633 16:21:47.648078  # [   24.461021]  ? no_context+0x177/0x380

 3634 16:21:47.651559  # [   24.465399]  ? exc_page_fault+0x53/0x170

 3635 16:21:47.654450  # [   24.470071]  ? asm_exc_page_fault+0x1e/0x30

 3636 16:21:47.664698  # [   24.475031]  ? lkdtm_WARNING<6>[   27.372845] lkdtm: Performing direct entry READ_AFTER_FREE

 3637 16:21:47.671276  <6>[   27.381638] lkdtm: Value in memory before free: 12345678

 3638 16:21:47.674388  _MESSAGE+0x30/0x30

 3639 16:21:47.684328  # [   24.480280]  ? lkdtm_EXCEPTION+0x5/0x20<6>[   27.387872] lkdtm: Attempting bad read from freed memory

 3640 16:21:47.687597  <6>[   27.400308] lkdtm: Memory was not poisoned

 3641 16:21:47.690887  

 3642 16:21:47.693837  # [   24.484852]  direct_entry.cold+0x2c/0x38

 3643 16:21:47.697453  # [   24.489520]  full_proxy_write+0x53/0x80

 3644 16:21:47.700774  # [   24.494096]  vfs_write+0xe7/0x3b0

 3645 16:21:47.707112  # [   24.498083]  ksys_write+0x68/0xf0

 3646 16:21:47.710453  # [   24.502072]  do_syscall_64+0x30/0x40

 3647 16:21:47.716980  # [   24.506350]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3648 16:21:47.720878  # [   24.512280] RIP: 0033:0x7fbb0376c473

 3649 16:21:47.740516  # [   24.516557] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3650 16:21:47.750098  # [   24.537828] RSP: 002b:00007ffede288388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3651 16:21:47.757034  # [   24.546574] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbb0376c473

 3652 16:21:47.766970  # [   24.554833] RDX: 000000000000000a RSI: 00007fbb03660000 RDI: 0000000000000001

 3653 16:21:47.773520  # [   24.563091] RBP: 00007fbb03660000 R08: 00007fbb0365f010 R09: 0000000000000000

 3654 16:21:47.782914  # [   24.571351] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3655 16:21:47.796233  # [   24.579612] R13: 0000000000000001 R14: 0000000000020000<6>[   27.498979] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3656 16:21:47.796381   R15: 0000000000020000

 3657 16:21:47.809459  # [   24.587874] Modules linked in: fuse<6>[   27.511666] lkdtm: Value in memory before free: 12345678

 3658 16:21:47.819686   ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_se<6>[   27.524080] lkdtm: Attempting to read from freed memory

 3659 16:21:47.832651  nsors_core videobuf2_vmalloc industrialio_triggered_buffer video<6>[   27.536419] lkdtm: Buddy page was not poisoned

 3660 16:21:47.869147  buf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3661 16:21:47.872173  # [   24.640636] CR2: 0000000000000000

 3662 16:21:47.878843  # [   24.644624] ---[ end trace 2116846283a51497 ]---

 3663 16:21:47.882164  # [   24.650070] RIP: 0010:lkdtm_BUG+0x5/0x10

 3664 16:21:47.901845  # [   24.654728] Code: 89 ff e8 1e dc 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 00 67 0b 03

 3665 16:21:47.912016  # [   24.675997] RSP: 0018:ffffa5c<6>[   27.620236] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 3666 16:21:47.915225  40133fe60 EFLAGS: 00010282

 3667 16:21:47.924869  # [   24.682119] RAX: ffffffff9977b5<6>[   27.628994] lkdtm: Attempting double slab free ...

 3668 16:21:47.928239  b0 RBX: 0000000000000001 RCX: 0000000000000000

 3669 16:21:47.937954  # [   24.690386] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 3670 16:21:47.944483  # [   24.698644] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 3671 16:21:47.954753  # [   24.706901] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3672 16:21:47.961375  # [   24.715160] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 3673 16:21:47.971400  # [   24.723419] FS:  00007fbb03856580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 3674 16:21:47.977824  # [   24.732747] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3675 16:21:47.987892  # [   24.739446] CR2: 0000000000000000 CR3: 0000000106f64005 CR4: 00000000003706f0

 3676 16:21:47.997651  # [   24.747708] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3677 16:21:48.004216  # [   24.757909] in_atomic(): 0, <6>[   27.712775] lkdtm: Performing direct entry SLAB_FREE_CROSS

 3678 16:21:48.010701  irqs_disabled(): 1, non_block: 0, pid: 749, name: cat

 3679 16:21:48.017470  # [   24.<6>[   27.721875] lkdtm: Attempting cross-cache slab free ...

 3680 16:21:48.020462  766556] INFO: lockdep is turned off.

 3681 16:21:48.024103  # [   24.771223] irq event stamp: 0

 3682 16:21:48.033611  # [   24.774919] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3683 16:21:48.040779  # [   24.782209] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3684 16:21:48.050334  # [   24.791635] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3685 16:21:48.057232  # [   24.801061] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3686 16:21:48.066923  # [   24.808343] CPU: 0 PID: 749 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3687 16:21:48.073183  # [   24.817183] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3688 16:21:48.076521  # [   24.824278] Call Trace:

 3689 16:21:48.079878  # [   24.827297]  dump_stack+0x77/0x9b

 3690 16:21:48.086940  # [   24.831291]  ___might_sleep.cold+0xa6/0xb6

 3691 16:21:48.089962  # [   24.836160]  exit_signals+0x1c/0x300

 3692 16:21:48.099733  # [   24.840446]  do_exit+0xc<6>[   27.805463] lkdtm: Performing direct entry SLAB_FREE_PAGE

 3693 16:21:48.106209  <6>[   27.815121] lkdtm: Attempting non-Slab slab free ...

 3694 16:21:48.106357  2/0xab0

 3695 16:21:48.109633  # [   24.844231]  ? ksys_write+0x68/0xf0

 3696 16:21:48.112889  # [   24.848404]  make_task_dead+0x2f/0x30

 3697 16:21:48.119396  # [   24.852774]  rewind_stack_and_make_dead+0x17/0x20

 3698 16:21:48.122535  # [   24.858316] RIP: 0033:0x7fbb0376c473

 3699 16:21:48.145857  # [   24.862596] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3700 16:21:48.152169  # [   24.883866] RSP: 002b:00007ffede288388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3701 16:21:48.161943  # [   24.892613] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbb0376c473

 3702 16:21:48.168746  # [   24.900871] RDX: 000000000000000a RSI: 00007fbb03660000 RDI: 0000000000000001

 3703 16:21:48.178820  # [   24.909130] RBP: 00007fbb03660000 R08: 00007fbb0365f010 R09: 0000000000000000

 3704 16:21:48.185271  # [   24.917388] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3705 16:21:48.195271  # [   24.925649] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3706 16:21:48.198253  # EXCEPTION: saw 'call trace:': ok

 3707 16:21:48.201956  ok 5 selftests: lkdtm: EXCEPTION.sh

 3708 16:21:48.205066  # selftests: lkdtm: LOOP.sh

 3709 16:21:48.208335  # Skipping LOOP: Hangs the system

 3710 16:21:48.211579  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 3711 16:21:48.214806  # selftests: lkdtm: EXHAUST_STACK.sh

 3712 16:21:48.221273  # Skipping EXHAUST_STACK: Corrupts memory on failure

 3713 16:21:48.224511  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 3714 16:21:48.227789  # selftests: lkdtm: CORRUPT_STACK.sh

 3715 16:21:48.234648  # Skipping CORRUPT_STACK: Crashes entire system on success

 3716 16:21:48.237730  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP

 3717 16:21:48.244583  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 3718 16:21:48.251211  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 3719 16:21:48.254166  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 3720 16:21:48.258005  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 3721 16:21:48.264417  # [   25.127255] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3722 16:21:48.270870  # [   25.139333] lkdtm: attempting good list addition

 3723 16:21:48.277535  # [   25.144791] lkdtm: attempting corrupted list addition

 3724 16:21:48.283912  # [   25.156931] lkdtm: list_add() corruption not detected!

 3725 16:21:48.287285  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]

 3726 16:21:48.293624  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 3727 16:21:48.303842  # selftests: lkdtm: CORRUPT_LIST_D<6>[   28.012241] lkdtm: Performing direct entry EXEC_DATA

 3728 16:21:48.303977  EL.sh

 3729 16:21:48.317426  # [   25.230151] lkdtm: Performing direct entry CORRUPT_L<6>[   28.019495] lkdtm: attempting ok execution at ffffffff9977b980

 3730 16:21:48.317562  IST_DEL

 3731 16:21:48.323284  # [   25.237884] lkdtm: attempting good list removal

 3732 16:21:48.329900  #<6>[   28.032514] lkdtm: attempting bad execution at ffffffff9c831d00

 3733 16:21:48.333840   [   25.249443] lkdtm: attempting corrupted list removal

 3734 16:21:48.343260  # [   <2>[   28.045635] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3735 16:21:48.353476  <1>[   28.060494] BUG: unable to handle page fault for address: ffffffff9c831d00

 3736 16:21:48.359777  <1>[   28.068455] #PF: supervisor instruction fetch in kernel mode

 3737 16:21:48.366175  <1>[   28.075064] #PF: error_code(0x0011) - permissions violation

 3738 16:21:48.373384  <6>[   28.081575] PGD 33c29067 P4D 33c29067 PUD 33c2a063 PMD 80000000354000e3 

 3739 16:21:48.379766  25.255284] lkdtm: list_del() corruption not detected!

 3740 16:21:48.383054  # CORRUPT<4>[   28.089353] Oops: 0011 [#5] SMP PTI

 3741 16:21:48.393161  <4>[   28.099749] CPU: 1 PID: 1575 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3742 16:21:48.399610  <4>[   28.108688] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3743 16:21:48.402570  <4>[   28.115786] RIP: 0010:data_area+0x0/0x40

 3744 16:21:48.409306  _LIST_DEL: missing 'list_del corruption': [FAIL]

 3745 16:21:48.432665  not ok 11 self<4>[   28.120455] Code: ff ff 00 45 9a c4 f0 98 ff ff 00 44 9a c4 f0 98 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

 3746 16:21:48.439175  <4>[   28.147939] RSP: 0018:ffffa5c40214fe48 EFLAGS: 00010246

 3747 16:21:48.446277  <4>[   28.154066] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3748 16:21:48.455832  <4>[   28.162337] RDX: 0000000000000000 RSI: ffff98f13ac9bf50 RDI: ffff98f13ac9bf50

 3749 16:21:48.462403  <4>[   28.170595] RBP: ffffffff9c831d00 R08: 0000000000000000 R09: 0000000000000000

 3750 16:21:48.472223  <4>[   28.178855] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3751 16:21:48.478862  <4>[   28.187106] R13: ffffa5c40214ff10 R14: ffffa5c40214ff10 R15: ffff98f0c6e54000

 3752 16:21:48.489102  <4>[   28.195381] FS:  00007f86c5ffc580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000

 3753 16:21:48.495496  <4>[   28.204709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3754 16:21:48.505114  <4>[   28.211416] CR2: ffffffff9c831d00 CR3: 0000000104954001 CR4: 00000000003706e0

 3755 16:21:48.505246  <4>[   28.219675] Call Trace:

 3756 16:21:48.511556  <4>[   28.222696]  ? __die_body.cold+0x1a/0x1f

 3757 16:21:48.515152  tests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 3758 16:21:48.521799  # selftests: lkdtm: <4>[   28.227384]  ? no_context+0x177/0x380

 3759 16:21:48.528078  <4>[   28.237975]  ? exc_page_fault+0xd7/0x170

 3760 16:21:48.528198  STACK_GUARD_PAGE_LEADING.sh

 3761 16:21:48.531771  # Segmentation fault

 3762 16:21:48.538091  # [   25.3311<4>[   28.242645]  ? asm_exc_page_fault+0x1e/0x30

 3763 16:21:48.544458  08] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3764 16:21:48.547514  # [<4>[   28.253819]  ? execute_location+0x45/0x56

 3765 16:21:48.554563  <4>[   28.264798]  ? direct_entry.cold+0x2c/0x38

 3766 16:21:48.557796  <4>[   28.269660]  ? full_proxy_write+0x53/0x80

 3767 16:21:48.568041     25.343240] lkdtm: attempting bad read from page below current<4>[   28.274429]  ? vfs_write+0xe7/0x3b0

 3768 16:21:48.574064  <4>[   28.284820]  ? ksys_write+0x68/0xf0

 3769 16:21:48.577822  <4>[   28.289004]  ? do_syscall_64+0x30/0x40

 3770 16:21:48.584265  <4>[   28.293478]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3771 16:21:48.584376   stack

 3772 16:21:48.640829  # [   25.356859] BUG: stack guard page was hit at 000000<4>[   28.299594] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3773 16:21:48.647624  <4>[   28.358544] CR2: ffffffff9c831d00

 3774 16:21:48.650825  <4>[   28.362536] ---[ end trace 2116846283a5149b ]---

 3775 16:21:48.657897  <4>[   28.367982] RIP: 0010:lkdtm_BUG+0x5/0x10

 3776 16:21:48.677232  <4>[   28.372651] Code: 89 ff e8 1e dc 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 00 67 0b 03

 3777 16:21:48.683410  <4>[   28.393913] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 3778 16:21:48.693440  <4>[   28.400028] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 3779 16:21:48.700092  <4>[   28.408288] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 3780 16:21:48.709770  <4>[   28.416546] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 3781 16:21:48.716428  <4>[   28.424805] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3782 16:21:48.726216  <4>[   28.433065] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 3783 16:21:48.732838  <4>[   28.441335] FS:  00007f86c5ffc580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000

 3784 16:21:48.739416  <4>[   28.450653] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3785 16:21:48.749366  <4>[   28.457373] CR2: ffffffff9c831d00 CR3: 0000000104954001 CR4: 00000000003706e0

 3786 16:21:48.756150  004fabc69d (stack is 00000000d7957562..000000003aba6bf9)

 3787 16:21:48.766064  # [   <3>[   28.465642] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3788 16:21:48.776189  <3>[   28.482055] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1575, name: cat

 3789 16:21:48.779128  <4>[   28.490800] INFO: lockdep is turned off.

 3790 16:21:48.782415  <4>[   28.495465] irq event stamp: 0

 3791 16:21:48.789579  <4>[   28.499160] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3792 16:21:48.798928  <4>[   28.506450] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3793 16:21:48.809230  <4>[   28.515875] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3794 16:21:48.815615  <4>[   28.525301] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3795 16:21:48.825549  <4>[   28.532590] CPU: 1 PID: 1575 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3796 16:21:48.832152  <4>[   28.541530] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3797 16:21:48.835423  <4>[   28.548623] Call Trace:

 3798 16:21:48.838719  <4>[   28.551644]  dump_stack+0x77/0x9b

 3799 16:21:48.851957  25.374215] kernel stack overflow (page fault): 0000 [#3] SMP PTI<4>[   28.555635]  ___might_sleep.cold+0xa6/0xb6

 3800 16:21:48.855185  <4>[   28.566709]  exit_signals+0x1c/0x300

 3801 16:21:48.855277  

 3802 16:21:48.864850  # [   25.381311] CPU: 0 PID: 981 Comm: cat Tainted: G      D W<4>[   28.570990]  do_exit+0xc2/0xab0

 3803 16:21:48.868150  <4>[   28.580994]  ? ksys_write+0x68/0xf0

 3804 16:21:48.874741  <4>[   28.585169]  make_task_dead+0x2f/0x30

 3805 16:21:48.878325  <4>[   28.589546]  rewind_stack_and_make_dead+0x17/0x20

 3806 16:21:48.885198  <4>[   28.595087] RIP: 0033:0x7f86c5f12473

 3807 16:21:48.904639  <4>[   28.599381] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3808 16:21:48.914779  <4>[   28.620651] RSP: 002b:00007fff936217d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3809 16:21:48.920834  <4>[   28.629388] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f86c5f12473

 3810 16:21:48.930584  <4>[   28.637647] RDX: 000000000000000a RSI: 00007f86c5e06000 RDI: 0000000000000001

 3811 16:21:48.937896  <4>[   28.645905] RBP: 00007f86c5e06000 R08: 00007f86c5e05010 R09: 0000000000000000

 3812 16:21:48.947646  <4>[   28.654164] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3813 16:21:48.954253  <4>[   28.662423] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3814 16:21:48.957556           5.10.199-cip39 #1

 3815 16:21:48.964116  # [   25.390153] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3816 16:21:48.970677  # [   25.397251] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3817 16:21:48.993517  # [   25.404060] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 50 25 d8 9a 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ee de fb ff 48 c7 c7 90 25 d8 9a <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d4 de fb ff 0f 1f 44

 3818 16:21:48.997137  # [   25.425324] RSP: 0018:ffffa5c401867e50 EFLAGS: 00010246

 3819 16:21:49.007025  # [   25.431447] RAX: 0000000000000038 RBX: ffffa5c401864000 RCX: 0000000000000000

 3820 16:21:49.013530  # [   25.439707] RDX: 0000000000000000 RSI: ffff98f13ac1bf50 RDI: ffffffff9ad82590

 3821 16:21:49.023038  # [   25.447966] RBP: ffffffff9ad81cba R08: 0000000000000000 R09: 0000000000000000

 3822 16:21:49.029949  # [   25.456225] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3823 16:21:49.040017  # [   25.464484] R13: ffffa5c401867f10 R14: ffffa5c401867f10 R15: ffff98f0c48f4000

 3824 16:21:49.046566  # [   25.472743] FS:  00007<6>[   28.752906] lkdtm: Performing direct entry EXEC_STACK

 3825 16:21:49.053008  <6>[   28.763632] lkdtm: attempting ok execution at ffffffff9977b980

 3826 16:21:49.059527  <6>[   28.770471] lkdtm: attempting bad execution at ffffa5c4021f7e18

 3827 16:21:49.069346  <2>[   28.777411] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3828 16:21:49.083086  fd88e530580(0000) GS:ffff98f13ac00000(0000) knlGS:00000000000000<1>[   28.786068] BUG: unable to handle page fault for address: ffffa5c4021f7e18

 3829 16:21:49.089631  <1>[   28.800252] #PF: supervisor instruction fetch in kernel mode

 3830 16:21:49.095590  <1>[   28.806861] #PF: error_code(0x0011) - permissions violation

 3831 16:21:49.105758  <6>[   28.813376] PGD 100000067 P4D 100000067 PUD 100244067 PMD 102cde067 PTE 8000000104847063

 3832 16:21:49.112558  <4>[   28.822709] Oops: 0011 [#6] SMP PTI

 3833 16:21:49.118736  <4>[   28.826882] CPU: 2 PID: 1612 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3834 16:21:49.125524  <4>[   28.835811] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3835 16:21:49.131967  <4>[   28.842906] RIP: 0010:0xffffa5c4021f7e18

 3836 16:21:49.151798  <4>[   28.847565] Code: 00 00 18 7e 1f 02 c4 a5 ff ff 43 e6 e5 99 ff ff ff ff 20 00 00 00 00 00 00 00 16 1e d8 9a ff ff ff ff 72 e7 e5 99 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

 3837 16:21:49.158729  <4>[   28.868837] RSP: 0018:ffffa5c4021f7df8 EFLAGS: 00010246

 3838 16:21:49.168655  <4>[   28.874960] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3839 16:21:49.175220  <4>[   28.883220] RDX: 0000000000000000 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50

 3840 16:21:49.184807  <4>[   28.891479] RBP: ffffa5c4021f7e18 R08: 0000000000000000 R09: 0000000000000000

 3841 16:21:49.191998  <4>[   28.899738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3842 16:21:49.201590  <4>[   28.907997] R13: ffffa5c4021f7f10 R14: ffffa5c4021f7f10 R15: ffff98f0c2b51000

 3843 16:21:49.208788  <4>[   28.916258] FS:  00007fd6b9d27580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000

 3844 16:21:49.215929  <4>[   28.925584] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3845 16:21:49.225338  <4>[   28.932291] CR2: ffffa5c4021f7e18 CR3: 0000000104898004 CR4: 00000000003706e0

 3846 16:21:49.228884  <4>[   28.940551] Call Trace:

 3847 16:21:49.231975  <4>[   28.943572]  ? __die_body.cold+0x1a/0x1f

 3848 16:21:49.235544  <4>[   28.948240]  ? no_context+0x177/0x380

 3849 16:21:49.242493  <4>[   28.952619]  ? exc_page_fault+0xd7/0x170

 3850 16:21:49.245476  <4>[   28.957287]  ? asm_exc_page_fault+0x1e/0x30

 3851 16:21:49.252013  <4>[   28.962242]  ? execute_location+0x45/0x56

 3852 16:21:49.255625  <4>[   28.967006]  ? lkdtm_EXEC_STACK+0x26/0x44

 3853 16:21:49.261772  <4>[   28.971773]  ? direct_entry.cold+0x2c/0x38

 3854 16:21:49.265590  <4>[   28.976635]  ? full_proxy_write+0x53/0x80

 3855 16:21:49.269099  <4>[   28.981393]  ? vfs_write+0xe7/0x3b0

 3856 16:21:49.275598  <4>[   28.985575]  ? ksys_write+0x68/0xf0

 3857 16:21:49.278742  <4>[   28.989749]  ? do_syscall_64+0x30/0x40

 3858 16:21:49.285342  <4>[   28.994221]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3859 16:21:49.337269  <4>[   29.000348] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3860 16:21:49.337422  00

 3861 16:21:49.347913  # [   25.482070] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080<4>[   29.053146] CR2: ffffa5c4021f7e18

 3862 16:21:49.353815  <4>[   29.063345] ---[ end trace 2116846283a5149c ]---

 3863 16:21:49.357195  <4>[   29.068783] RIP: 0010:lkdtm_BUG+0x5/0x10

 3864 16:21:49.380390  <4>[   29.073451] Code: 89 ff e8 1e dc 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 00 67 0b 03

 3865 16:21:49.383234  <4>[   29.094715] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 3866 16:21:49.393726  <4>[   29.100839] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 3867 16:21:49.400113  <4>[   29.109098] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 3868 16:21:49.409826  <4>[   29.117360] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 3869 16:21:49.416264  <4>[   29.125620] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3870 16:21:49.426634  <4>[   29.133880] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 3871 16:21:49.435898  <4>[   29.142141] FS:  00007fd6b9d27580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000

 3872 16:21:49.442388  <4>[   29.151468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3873 16:21:49.449274  <4>[   29.158174] CR2: ffffa5c4021f7e18 CR3: 0000000104898004 CR4: 00000000003706e0

 3874 16:21:49.452327  050033

 3875 16:21:49.458944  # [   25.488777] CR2: ffffa5c401863fff CR3: 00000001029b0002 CR4: 00000000003706f0

 3876 16:21:49.462227  # [   25.497037] Call Trace:

 3877 16:21:49.465843  # [   25.500054]  <#DF>

 3878 16:21:49.468778  # [   25.502588]  ? __die_body.cold+0x1a/0x1f

 3879 16:21:49.472143  # [   25.507263]  ? die+0x2b/0x50

 3880 16:21:49.478742  # [   25.510772]  ? handle_stack_overflow+0x3e/0x4d

 3881 16:21:49.482005  # [   25.516025]  ? no_context+0x24d/0x380

 3882 16:21:49.485513  # [   25.520399]  </#DF>

 3883 16:21:49.538727  # [   25.523026] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_<6>[   29.247047] lkdtm: Performing direct entry EXEC_KMALLOC

 3884 16:21:49.545064  <6>[   29.253401] lkdtm: attempting ok execution at ffffffff9977b980

 3885 16:21:49.551355  <6>[   29.260240] lkdtm: attempting bad execution at ffff98f0c382fc80

 3886 16:21:49.557989  <2>[   29.267147] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3887 16:21:49.568199  <1>[   29.275826] BUG: unable to handle page fault for address: ffff98f0c382fc80

 3888 16:21:49.574324  <1>[   29.283786] #PF: supervisor instruction fetch in kernel mode

 3889 16:21:49.581604  <1>[   29.290396] #PF: error_code(0x0011) - permissions violation

 3890 16:21:49.590993  <6>[   29.296908] PGD 35601067 P4D 35601067 PUD 100874063 PMD 106656063 PTE 800000010382f063

 3891 16:21:49.594831  <4>[   29.306045] Oops: 0011 [#7] SMP PTI

 3892 16:21:49.604243  <4>[   29.310227] CPU: 3 PID: 1649 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3893 16:21:49.611164  <4>[   29.319157] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3894 16:21:49.614200  <4>[   29.326252] RIP: 0010:0xffff98f0c382fc80

 3895 16:21:49.637488  <4>[   29.330919] Code: ff ff 00 10 00 00 00 00 00 00 00 f3 82 c3 f0 98 ff ff 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 eb f2 cf 98 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

 3896 16:21:49.640722  <4>[   29.352191] RSP: 0018:ffffa5c402277e38 EFLAGS: 00010246

 3897 16:21:49.650444  <4>[   29.358335] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3898 16:21:49.657211  <4>[   29.366594] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50

 3899 16:21:49.666956  <4>[   29.374853] RBP: ffff98f0c382fc80 R08: 0000000000000000 R09: 0000000000000000

 3900 16:21:49.676800  <4>[   29.383112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 3901 16:21:49.683630  <4>[   29.391391] R13: ffffa5c402277f10 R14: ffffa5c402277f10 R15: ffff98f0c2b6c000

 3902 16:21:49.693422  <4>[   29.399652] FS:  00007fc43e379580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 3903 16:21:49.700195  <4>[   29.408979] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3904 16:21:49.706758  <4>[   29.415684] CR2: ffff98f0c382fc80 CR3: 0000000106e4a001 CR4: 00000000003706e0

 3905 16:21:49.710022  <4>[   29.423942] Call Trace:

 3906 16:21:49.716347  <4>[   29.426961]  ? __die_body.cold+0x1a/0x1f

 3907 16:21:49.719498  <4>[   29.431630]  ? no_context+0x177/0x380

 3908 16:21:49.723267  <4>[   29.436009]  ? exc_page_fault+0xd7/0x170

 3909 16:21:49.729400  <4>[   29.440677]  ? asm_exc_page_fault+0x1e/0x30

 3910 16:21:49.732610  <4>[   29.445641]  ? execute_location+0x45/0x56

 3911 16:21:49.739502  <4>[   29.450408]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 3912 16:21:49.743017  <4>[   29.455387]  ? direct_entry.cold+0x2c/0x38

 3913 16:21:49.749547  <4>[   29.460249]  ? full_proxy_write+0x53/0x80

 3914 16:21:49.752797  <4>[   29.465005]  ? vfs_write+0xe7/0x3b0

 3915 16:21:49.756113  <4>[   29.469186]  ? ksys_write+0x68/0xf0

 3916 16:21:49.762532  <4>[   29.473370]  ? do_syscall_64+0x30/0x40

 3917 16:21:49.769062  <4>[   29.477843]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3918 16:21:49.775645  notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3919 16:21:49.828176  # <4>[   29.483968] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3920 16:21:49.831951  <4>[   29.542953] CR2: ffff98f0c382fc80

 3921 16:21:49.835196  <4>[   29.546939] ---[ end trace 2116846283a5149d ]---

 3922 16:21:49.841644  <4>[   29.552400] RIP: 0010:lkdtm_BUG+0x5/0x10

 3923 16:21:49.861560  <4>[   29.557066] Code: 89 ff e8 1e dc 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 00 67 0b 03

 3924 16:21:49.867955  <4>[   29.578339] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 3925 16:21:49.878071  <4>[   29.584463] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 3926 16:21:49.884314  <4>[   29.592723] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 3927 16:21:49.894369  <4>[   29.600982] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 3928 16:21:49.901170  <4>[   29.609241] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3929 16:21:49.910897  <4>[   29.617501] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 3930 16:21:49.917214  <4>[   29.625759] FS:  00007fc43e379580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 3931 16:21:49.924063  <4>[   29.635088] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3932 16:21:49.933594  <4>[   29.641792] CR2: ffff98f0c382fc80 CR3: 0000000106e4a001 CR4: 00000000003706e0

 3933 16:21:49.943914  <3>[   29.650054] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3934 16:21:49.953726  <3>[   29.660247] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1649, name: cat

 3935 16:21:49.956950  <4>[   29.668992] INFO: lockdep is turned off.

 3936 16:21:49.960670  <4>[   29.673658] irq event stamp: 0

 3937 16:21:49.966960  <4>[   29.677355] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3938 16:21:49.976907  <4>[   29.684637] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3939 16:21:49.986575  <4>[   29.694054] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 3940 16:21:49.993085  <4>[   29.703478] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3941 16:21:50.003049  <4>[   29.710767] CPU: 3 PID: 1649 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3942 16:21:50.009857  <4>[   29.719707] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3943 16:21:50.013076  <4>[   29.726802] Call Trace:

 3944 16:21:50.016434  <4>[   29.729820]  dump_stack+0x77/0x9b

 3945 16:21:50.022874  <4>[   29.733810]  ___might_sleep.cold+0xa6/0xb6

 3946 16:21:50.026067  <4>[   29.738672]  exit_signals+0x1c/0x300

 3947 16:21:50.029584  <4>[   29.742942]  do_exit+0xc2/0xab0

 3948 16:21:50.035956  <4>[   29.746735]  ? ksys_write+0x68/0xf0

 3949 16:21:50.039369  <4>[   29.750918]  make_task_dead+0x2f/0x30

 3950 16:21:50.046237  <4>[   29.755294]  rewind_stack_and_make_dead+0x17/0x20

 3951 16:21:50.049258  <4>[   29.760834] RIP: 0033:0x7fc43e28f473

 3952 16:21:50.068972  <4>[   29.765112] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3953 16:21:50.079194  <4>[   29.786388] RSP: 002b:00007ffce2892ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3954 16:21:50.085641  <4>[   29.795135] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fc43e28f473

 3955 16:21:50.095633  <4>[   29.803394] RDX: 000000000000000d RSI: 00007fc43e183000 RDI: 0000000000000001

 3956 16:21:50.102101  <4>[   29.811654] RBP: 00007fc43e183000 R08: 00007fc43e182010 R09: 0000000000000000

 3957 16:21:50.112056  <4>[   29.819913] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3958 16:21:50.118885  <4>[   29.828173] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3959 16:21:50.125529  [   25.575792] ---[ end trace 2116846283a51498 ]---

 3960 16:21:50.128787  # [   25.581241] RIP: 0010:lkdtm_BUG+0x5/0x10

 3961 16:21:50.151660  # [   25.585909] Code: 89 ff e8 1e dc 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 00 67 0b 03

 3962 16:21:50.158260  # [   25.607181] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 3963 16:21:50.164666  # [   25.613296] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 3964 16:21:50.174729  # [   25.621554] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 3965 16:21:50.181829  # [   25.629814] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 3966 16:21:50.191592  # [   25.638073] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3967 16:21:50.197924  # [   25.646333] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 3968 16:21:50.208147  # [   25.654592] FS:  00007fd88e530580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 3969 16:21:50.214248  #<6>[   29.920482] lkdtm: Performing direct entry EXEC_VMALLOC

 3970 16:21:50.227994   [   25.663920] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003<6>[   29.929629] lkdtm: attempting ok execution at ffffffff9977b980

 3971 16:21:50.228141  3

 3972 16:21:50.240837  # [   25.670626] CR2: ffffa5c401863fff CR3: 00000001029b0002 <6>[   29.942647] lkdtm: attempting bad execution at ffffa5c400375000

 3973 16:21:50.240988  CR4: 00000000003706f0

 3974 16:21:50.253967  # STACK_GUARD_PAGE_LEADING: saw 'call tra<2>[   29.955765] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3975 16:21:50.264117  <1>[   29.970629] BUG: unable to handle page fault for address: ffffa5c400375000

 3976 16:21:50.270398  <1>[   29.978599] #PF: supervisor instruction fetch in kernel mode

 3977 16:21:50.276919  <1>[   29.985207] #PF: error_code(0x0011) - permissions violation

 3978 16:21:50.284007  <6>[   29.991721] PGD 100000067 P4D 100000067 PUD 100244067 PMD 100a10067 PTE 80000001065e9063

 3979 16:21:50.287229  ce:': ok

 3980 16:21:50.290623  ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3981 16:21:50.297339  #<4>[   30.001056] Oops: 0011 [#8] SMP PTI

 3982 16:21:50.303288  <4>[   30.011450] CPU: 1 PID: 1686 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 3983 16:21:50.309779  <4>[   30.020390] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3984 16:21:50.316763  <4>[   30.027486] RIP: 0010:0xffffa5c400375000

 3985 16:21:50.323383  <4>[   30.032154] Code: Unable to access opcode bytes at RIP 0xffffa5c400374fd6.

 3986 16:21:50.330039  <4>[   30.040115] RSP: 0018:ffffa5c402307e38 EFLAGS: 00010246

 3987 16:21:50.339827  <4>[   30.046231] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3988 16:21:50.346235  <4>[   30.054482] RDX: 0000000000000000 RSI: ffff98f13ac9bf50 RDI: ffff98f13ac9bf50

 3989 16:21:50.356140  <4>[   30.062741] RBP: ffffa5c400375000 R08: 0000000000000000 R09: 0000000000000000

 3990 16:21:50.362841  <4>[   30.071000] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 3991 16:21:50.372359  <4>[   30.079259] R13: ffffa5c402307f10 R14: ffffa5c402307f10 R15: ffff98f0c65e9000

 3992 16:21:50.379505  <4>[   30.087519] FS:  00007fa196809580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000

 3993 16:21:50.389024  <4>[   30.096848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3994 16:21:50.395803  <4>[   30.103546] CR2: ffffa5c400374fd6 CR3: 0000000102bd4001 CR4: 00000000003706e0

 3995 16:21:50.398871  <4>[   30.111806] Call Trace:

 3996 16:21:50.402147  <4>[   30.114827]  ? __die_body.cold+0x1a/0x1f

 3997 16:21:50.408672   selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3998 16:21:50.414824  # Segmentation <4>[   30.119495]  ? no_context+0x177/0x380

 3999 16:21:50.418796  <4>[   30.130086]  ? exc_page_fault+0xd7/0x170

 4000 16:21:50.418887  fault

 4001 16:21:50.428584  # [   25.750688] lkdtm: Performing direct entry STACK_GUA<4>[   30.134754]  ? asm_exc_page_fault+0x1e/0x30

 4002 16:21:50.431915  RD_PAGE_TRAILING

 4003 16:21:50.441747  # [   25.760872] lkdtm: attempting bad read fr<4>[   30.145929]  ? execute_location+0x45/0x56

 4004 16:21:50.444907  <4>[   30.156909]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4005 16:21:50.451810  <4>[   30.161869]  ? direct_entry.cold+0x2c/0x38

 4006 16:21:50.454837  <4>[   30.166734]  ? full_proxy_write+0x53/0x80

 4007 16:21:50.457991  om page above current stack

 4008 16:21:50.464484  # [   25.768297] BUG: stack guard p<4>[   30.171500]  ? vfs_write+0xe7/0x3b0

 4009 16:21:50.471272  <4>[   30.181893]  ? ksys_write+0x68/0xf0

 4010 16:21:50.474490  <4>[   30.186069]  ? do_syscall_64+0x30/0x40

 4011 16:21:50.481564  <4>[   30.190542]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4012 16:21:50.540707  age was hit at 000000000920cd9e (stack is 00000000651d215b..0000<4>[   30.196669] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4013 16:21:50.543982  <4>[   30.255620] CR2: ffffa5c400375000

 4014 16:21:50.550327  <4>[   30.259609] ---[ end trace 2116846283a5149e ]---

 4015 16:21:50.554094  <4>[   30.265054] RIP: 0010:lkdtm_BUG+0x5/0x10

 4016 16:21:50.573507  <4>[   30.269721] Code: 89 ff e8 1e dc 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 00 67 0b 03

 4017 16:21:50.580080  <4>[   30.290995] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 4018 16:21:50.590042  <4>[   30.297110] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 4019 16:21:50.596729  <4>[   30.305382] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 4020 16:21:50.606561  <4>[   30.313643] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 4021 16:21:50.613553  <4>[   30.321902] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4022 16:21:50.623116  <4>[   30.330163] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 4023 16:21:50.633367  <4>[   30.338422] FS:  00007fa196809580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000

 4024 16:21:50.640036  <4>[   30.347751] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4025 16:21:50.645972  <4>[   30.354456] CR2: ffffa5c400374fd6 CR3: 0000000102bd4001 CR4: 00000000003706e0

 4026 16:21:50.649249  0000abda5cf0)

 4027 16:21:50.656330  # [   25.779500] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 4028 16:21:50.662814  # [   25.786595] CPU: 3 PID: 1015 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4029 16:21:50.669472  # [   25.795533] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4030 16:21:50.679215  # [   25.802629] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 4031 16:21:50.698726  # [   25.809530] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 c8 25 d8 9a 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b4 de fb ff 48 c7 c7 08 26 d8 9a <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 97 de fb ff

 4032 16:21:50.705624  # [   25.830798] RSP: 0018:ffffa5c4018d7e50 EFLAGS: 00010246

 4033 16:21:50.712083  # [   25.836928] RAX: 0000000000000038 RBX: ffffa5c4018d4000 RCX: 0000000000000000

 4034 16:21:50.722079  # [   25.845188] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9ad82608

 4035 16:21:50.728425  # [   25.853448] RBP: ffffffff9ad81cd3 R08: 0000000000000000 R09: 0000000000000000

 4036 16:21:50.738282  # [   25.861709] R10: 00000000ffffe000 R11: <6>[   30.443506] lkdtm: Performing direct entry EXEC_RODATA

 4037 16:21:50.744795  <6>[   30.455765] lkdtm: attempting ok execution at ffffffff9977b980

 4038 16:21:50.755041  <6>[   30.462582] lkdtm: attempting bad execution at ffffffff9a8f8240

 4039 16:21:50.758087  3fffffffffffffff R12: 000000000000001a

 4040 16:21:50.768534  # [   25.869968] R13: ff<2>[   30.469516] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4041 16:21:50.775206  <1>[   30.484370] BUG: unable to handle page fault for address: ffffffff9a8f8240

 4042 16:21:50.781190  <1>[   30.492341] #PF: supervisor instruction fetch in kernel mode

 4043 16:21:50.787837  <1>[   30.498950] #PF: error_code(0x0011) - permissions violation

 4044 16:21:50.798287  <6>[   30.505461] PGD 33c29067 P4D 33c29067 PUD 33c2a063 PMD 80000000334000e1 

 4045 16:21:50.801441  <4>[   30.513230] Oops: 0011 [#9] SMP PTI

 4046 16:21:50.811336  <4>[   30.517412] CPU: 3 PID: 1723 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4047 16:21:50.818004  <4>[   30.526351] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4048 16:21:50.824030  <4>[   30.533450] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4049 16:21:50.843967  <4>[   30.539477] Code: ff ff e2 fb e5 99 ff ff ff ff 62 20 d8 9a ff ff ff ff 28 e3 e5 99 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

 4050 16:21:50.850786  <4>[   30.560742] RSP: 0018:ffffa5c40238fe48 EFLAGS: 00010246

 4051 16:21:50.860621  <4>[   30.566866] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4052 16:21:50.867472  <4>[   30.575125] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50

 4053 16:21:50.876841  <4>[   30.583388] RBP: ffffffff9a8f8240 R08: 0000000000000000 R09: 0000000000000000

 4054 16:21:50.883903  <4>[   30.591648] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4055 16:21:50.893677  <4>[   30.599907] R13: ffffa5c40238ff10 R14: ffffa5c40238ff10 R15: ffff98f0c2b9e000

 4056 16:21:50.900294  <4>[   30.608166] FS:  00007f2fc7a62580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 4057 16:21:50.906679  <4>[   30.617494] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4058 16:21:50.916766  <4>[   30.624199] CR2: ffffffff9a8f8240 CR3: 0000000102d10005 CR4: 00000000003706e0

 4059 16:21:50.919932  <4>[   30.632459] Call Trace:

 4060 16:21:50.923075  <4>[   30.635479]  ? __die_body.cold+0x1a/0x1f

 4061 16:21:50.929618  <4>[   30.640148]  ? no_context+0x177/0x380

 4062 16:21:50.932845  <4>[   30.644528]  ? exc_page_fault+0xd7/0x170

 4063 16:21:50.936153  <4>[   30.649196]  ? asm_exc_page_fault+0x1e/0x30

 4064 16:21:50.943029  <4>[   30.654151]  ? execute_location+0x45/0x56

 4065 16:21:50.946637  <4>[   30.658914]  ? direct_entry.cold+0x2c/0x38

 4066 16:21:50.952701  <4>[   30.663777]  ? full_proxy_write+0x53/0x80

 4067 16:21:50.955976  <4>[   30.668535]  ? vfs_write+0xe7/0x3b0

 4068 16:21:50.959822  <4>[   30.672716]  ? ksys_write+0x68/0xf0

 4069 16:21:50.965952  <4>[   30.676898]  ? do_syscall_64+0x30/0x40

 4070 16:21:50.972472  <4>[   30.681385]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4071 16:21:50.976182  ffa5c4018d7f10 R14: ffffa5c4018d7f10 R15: ffff98f0c6c1a000

 4072 16:21:51.031552  # [ <4>[   30.687516] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4073 16:21:51.034896  <4>[   30.746505] CR2: ffffffff9a8f8240

 4074 16:21:51.038813  <4>[   30.750484] ---[ end trace 2116846283a5149f ]---

 4075 16:21:51.045131  <4>[   30.755930] RIP: 0010:lkdtm_BUG+0x5/0x10

 4076 16:21:51.064730  <4>[   30.760597] Code: 89 ff e8 1e dc 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 00 67 0b 03

 4077 16:21:51.071083  <4>[   30.781871] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 4078 16:21:51.081032  <4>[   30.787995] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 4079 16:21:51.088054  <4>[   30.796254] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 4080 16:21:51.097922  <4>[   30.804514] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 4081 16:21:51.104313  <4>[   30.812774] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4082 16:21:51.114573  <4>[   30.821032] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 4083 16:21:51.124223  <4>[   30.829294] FS:  00007f2fc7a62580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 4084 16:21:51.131043  <4>[   30.838622] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4085 16:21:51.137340  <4>[   30.845329] CR2: ffffffff9a8f8240 CR3: 0000000102d10005 CR4: 00000000003706e0

 4086 16:21:51.147317  <3>[   30.853590] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4087 16:21:51.157026  <3>[   30.863784] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1723, name: cat

 4088 16:21:51.160375  <4>[   30.872530] INFO: lockdep is turned off.

 4089 16:21:51.163422  <4>[   30.877197] irq event stamp: 0

 4090 16:21:51.173199  <4>[   30.880893] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4091 16:21:51.180029  <4>[   30.888182] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4092 16:21:51.189808  <4>[   30.897608] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4093 16:21:51.196594  <4>[   30.907035] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4094 16:21:51.206559  <4>[   30.914336] CPU: 3 PID: 1723 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4095 16:21:51.212956  <4>[   30.923276] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4096 16:21:51.216256  <4>[   30.930390] Call Trace:

 4097 16:21:51.222618  <4>[   30.933408]  dump_stack+0x77/0x9b

 4098 16:21:51.225914  <4>[   30.937397]  ___might_sleep.cold+0xa6/0xb6

 4099 16:21:51.229728  <4>[   30.942261]  exit_signals+0x1c/0x300

 4100 16:21:51.232739  <4>[   30.946542]  do_exit+0xc2/0xab0

 4101 16:21:51.239677  <4>[   30.950338]  ? ksys_write+0x68/0xf0

 4102 16:21:51.242962  <4>[   30.954521]  make_task_dead+0x2f/0x30

 4103 16:21:51.249451  <4>[   30.958897]  rewind_stack_and_make_dead+0x17/0x20

 4104 16:21:51.252521  <4>[   30.964438] RIP: 0033:0x7f2fc7978473

 4105 16:21:51.272441  <4>[   30.968717] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4106 16:21:51.282162  <4>[   30.989989] RSP: 002b:00007ffc441e0858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4107 16:21:51.292321  <4>[   30.998735] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f2fc7978473

 4108 16:21:51.298756  <4>[   31.006994] RDX: 000000000000000c RSI: 00007f2fc786c000 RDI: 0000000000000001

 4109 16:21:51.308324  <4>[   31.015253] RBP: 00007f2fc786c000 R08: 00007f2fc786b010 R09: 0000000000000000

 4110 16:21:51.315198  <4>[   31.023514] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4111 16:21:51.324790  <4>[   31.031773] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4112 16:21:51.331905    25.878225] FS:  00007f2050995580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 4113 16:21:51.338438  # [   25.887552] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4114 16:21:51.347907  # [   25.894257] CR2: ffffa5c4018d8000 CR3: 0000000102b04001 CR4: 00000000003706e0

 4115 16:21:51.351391  # [   25.902516] Call Trace:

 4116 16:21:51.351510  # [   25.905533]  <#DF>

 4117 16:21:51.357845  # [   25.908065]  ? __die_body.cold+0x1a/0x1f

 4118 16:21:51.361208  # [   25.912734]  ? die+0x2b/0x50

 4119 16:21:51.364539  # [   25.916239]  ? handle_stack_overflow+0x3e/0x4d

 4120 16:21:51.370967  # [   25.921489]  ? no_context+0x24d/0x380

 4121 16:21:51.371051  # [   25.925863]  </#DF>

 4122 16:21:51.430669  # [   25.928489] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backl<6>[   31.135150] lkdtm: Performing direct entry EXEC_USERSPACE

 4123 16:21:51.430819  ight coreboot_table

 4124 16:21:51.444023  # [   25.987477] ---[ end trace 2116846283a<6>[   31.145874] lkdtm: attempting ok execution at ffffffff9977b980

 4125 16:21:51.444119  51499 ]---

 4126 16:21:51.446938  # [   25.992923] RIP: 0010:lkdtm_BUG+0x5/0x10

 4127 16:21:51.456553  # [  <6>[   31.158906] lkdtm: attempting bad execution at 00007f344bc97000

 4128 16:21:51.469777   25.997589] Code: 89 ff e8 1e dc 79 ff 48 c7 c0 ea ff ff ff eb d<2>[   31.172027] unable to execute userspace code (SMEP?) (uid: 0)

 4129 16:21:51.476697  <1>[   31.184903] BUG: unable to handle page fault for address: 00007f344bc97000

 4130 16:21:51.482956  <1>[   31.192874] #PF: supervisor instruction fetch in kernel mode

 4131 16:21:51.489650  <1>[   31.199484] #PF: error_code(0x0011) - permissions violation

 4132 16:21:51.499939  <6>[   31.205996] PGD 8000000106e42067 P4D 8000000106e42067 PUD 102bcc067 PMD 102d44067 PTE 10ae03067

 4133 16:21:51.503192  <4>[   31.216012] Oops: 0011 [#10] SMP PTI

 4134 16:21:51.512875  <4>[   31.220293] CPU: 0 PID: 1760 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4135 16:21:51.519403  <4>[   31.229224] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4136 16:21:51.525808  <4>[   31.236340] RIP: 0010:0x7f344bc97000

 4137 16:21:51.532732  <4>[   31.240617] Code: Unable to access opcode bytes at RIP 0x7f344bc96fd6.

 4138 16:21:51.538991  <4>[   31.248198] RSP: 0018:ffffa5c40242fe50 EFLAGS: 00010246

 4139 16:21:51.545769  <4>[   31.254336] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4140 16:21:51.555602  <4>[   31.262597] RDX: 0000000000000000 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 4141 16:21:51.562542  <4>[   31.270858] RBP: 00007f344bc97000 R08: 0000000000000000 R09: 0000000000000000

 4142 16:21:51.572347  <4>[   31.279119] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 4143 16:21:51.578912  <4>[   31.287382] R13: ffffa5c40242ff10 R14: ffffa5c40242ff10 R15: ffff98f0c2ebb000

 4144 16:21:51.588939  <4>[   31.295643] FS:  00007f344bc68580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 4145 16:21:51.595216  <4>[   31.304971] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4146 16:21:51.605592  <4>[   31.311677] CR2: 00007f344bc97000 CR3: 0000000104996003 CR4: 00000000003706f0

 4147 16:21:51.605684  <4>[   31.319936] Call Trace:

 4148 16:21:51.611956  <4>[   31.322956]  ? __die_body.cold+0x1a/0x1f

 4149 16:21:51.615134  <4>[   31.327631]  ? no_context+0x177/0x380

 4150 16:21:51.621742  <4>[   31.332010]  ? exc_page_fault+0x53/0x170

 4151 16:21:51.625009  <4>[   31.336683]  ? asm_exc_page_fault+0x1e/0x30

 4152 16:21:51.631993  <4>[   31.341640]  ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae

 4153 16:21:51.635303  <4>[   31.347286]  ? direct_entry.cold+0x2c/0x38

 4154 16:21:51.641378  <4>[   31.352158]  ? full_proxy_write+0x53/0x80

 4155 16:21:51.644641  <4>[   31.356930]  ? vfs_write+0xe7/0x3b0

 4156 16:21:51.647975  <4>[   31.361111]  ? ksys_write+0x68/0xf0

 4157 16:21:51.654863  <4>[   31.365294]  ? do_syscall_64+0x30/0x40

 4158 16:21:51.661041  <4>[   31.369760]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4159 16:21:51.714021  <4>[   31.375887] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4160 16:21:51.716956  <4>[   31.428656] CR2: 00007f344bc97000

 4161 16:21:51.720340  <4>[   31.432645] ---[ end trace 2116846283a514a0 ]---

 4162 16:21:51.727117  <4>[   31.438082] RIP: 0010:lkdtm_BUG+0x5/0x10

 4163 16:21:51.746886  <4>[   31.442743] Code: 89 ff e8 1e dc 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 00 67 0b 03

 4164 16:21:51.753779  <4>[   31.464008] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 4165 16:21:51.763250  <4>[   31.470133] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 4166 16:21:51.769829  <4>[   31.478392] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 4167 16:21:51.780141  <4>[   31.486650] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 4168 16:21:51.786233  <4>[   31.494910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4169 16:21:51.796334  <4>[   31.503169] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 4170 16:21:51.806189  <4>[   31.511429] FS:  00007f344bc68580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 4171 16:21:51.812710  <4>[   31.520757] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4172 16:21:51.819509  <4>[   31.527462] CR2: 00007f344bc97000 CR3: 0000000104996003 CR4: 00000000003706f0

 4173 16:21:51.832182  e 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 00 67 0b 03

 4174 16:21:51.838913  # [   26.018859] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 4175 16:21:51.849043  # [   26.024983] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 4176 16:21:51.855702  # [   26.033241] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 4177 16:21:51.865389  # [   26.041499] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 4178 16:21:51.871824  # [   26.049757] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4179 16:21:51.882141  # [   26.058015] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 4180 16:21:51.891795  # [   26.066273] FS:  00007f2050995580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 4181 16:21:51.898227  # [   26.075600] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4182 16:21:51.904706  # [   26.082306] CR2: ffffa5c4018d8000 CR3: 0000000102b04001 CR4: 00000000003706e0

 4183 16:21:51.914348  # [   26.090588] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4184 16:21:51.924778  # [   26.100788] in_atomic(): 0, irqs_disa<6>[   31.630719] lkdtm: Performing direct entry EXEC_NULL

 4185 16:21:51.928012  bled(): 1, non_block: 0, pid: 1015, name: cat

 4186 16:21:51.937793  # [   26.109531] <6>[   31.641080] lkdtm: attempting ok execution at ffffffff9977b980

 4187 16:21:51.940920  INFO: lockdep is turned off.

 4188 16:21:51.950660  # [   26.114198] irq event stamp: <6>[   31.654099] lkdtm: attempting bad execution at 0000000000000000

 4189 16:21:51.950779  0

 4190 16:21:51.964236  # [   26.117893] hardirqs last  enabled at (0): [<00000000000<1>[   31.667223] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4191 16:21:51.970715  <1>[   31.681489] #PF: supervisor instruction fetch in kernel mode

 4192 16:21:51.977297  <1>[   31.688089] #PF: error_code(0x0010) - not-present page

 4193 16:21:51.980580  <6>[   31.694114] PGD 0 P4D 0 

 4194 16:21:51.983773  <4>[   31.697229] Oops: 0010 [#11] SMP PTI

 4195 16:21:51.993707  <4>[   31.701509] CPU: 0 PID: 1797 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4196 16:21:52.000160  <4>[   31.710439] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4197 16:21:52.003338  <4>[   31.717536] RIP: 0010:0x0

 4198 16:21:52.013079  <4>[   31.720748] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 4199 16:21:52.019718  <4>[   31.728716] RSP: 0018:ffffa5c4024dfe48 EFLAGS: 00010246

 4200 16:21:52.026228  <4>[   31.734841] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4201 16:21:52.036119  <4>[   31.743100] RDX: 0000000000000000 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 4202 16:21:52.043063  <4>[   31.751379] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4203 16:21:52.052413  <4>[   31.759639] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4204 16:21:52.059542  <4>[   31.767898] R13: ffffa5c4024dff10 R14: ffffa5c4024dff10 R15: ffff98f0c2d23000

 4205 16:21:52.069247  <4>[   31.776157] FS:  00007f72e0953580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 4206 16:21:52.075893  <4>[   31.785485] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4207 16:21:52.085778  <4>[   31.792191] CR2: ffffffffffffffd6 CR3: 00000001053b2004 CR4: 00000000003706f0

 4208 16:21:52.088649  <4>[   31.800451] Call Trace:

 4209 16:21:52.092040  <4>[   31.803471]  ? __die_body.cold+0x1a/0x1f

 4210 16:21:52.095509  <4>[   31.808145]  ? no_context+0x177/0x380

 4211 16:21:52.102146  <4>[   31.812530]  ? exc_page_fault+0x53/0x170

 4212 16:21:52.105441  <4>[   31.817202]  ? asm_exc_page_fault+0x1e/0x30

 4213 16:21:52.111882  <4>[   31.822166]  execute_location+0x45/0x56

 4214 16:21:52.115196  <4>[   31.826743]  direct_entry.cold+0x2c/0x38

 4215 16:21:52.118427  <4>[   31.831412]  full_proxy_write+0x53/0x80

 4216 16:21:52.125496  <4>[   31.835990]  vfs_write+0xe7/0x3b0

 4217 16:21:52.128459  <4>[   31.839979]  ksys_write+0x68/0xf0

 4218 16:21:52.132148  <4>[   31.843969]  do_syscall_64+0x30/0x40

 4219 16:21:52.138658  <4>[   31.848240]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4220 16:21:52.141627  <4>[   31.854160] RIP: 0033:0x7f72e0869473

 4221 16:21:52.165112  <4>[   31.858440] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4222 16:21:52.171734  <4>[   31.879705] RSP: 002b:00007ffe31b8c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4223 16:21:52.181258  <4>[   31.888450] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f72e0869473

 4224 16:21:52.187824  <4>[   31.896711] RDX: 000000000000000a RSI: 00007f72e075d000 RDI: 0000000000000001

 4225 16:21:52.197842  <4>[   31.904971] RBP: 00007f72e075d000 R08: 00007f72e075c010 R09: 0000000000000000

 4226 16:21:52.204380  <4>[   31.913222] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4227 16:21:52.214418  <4>[   31.921481] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4228 16:21:52.266915  <4>[   31.929745] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4229 16:21:52.270792  <4>[   31.982514] CR2: 0000000000000000

 4230 16:21:52.277203  <4>[   31.986493] ---[ end trace 2116846283a514a1 ]---

 4231 16:21:52.280408  <4>[   31.991940] RIP: 0010:lkdtm_BUG+0x5/0x10

 4232 16:21:52.300182  <4>[   31.996608] Code: 89 ff e8 1e dc 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 00 67 0b 03

 4233 16:21:52.306775  <4>[   32.017881] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 4234 16:21:52.316761  <4>[   32.023995] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 4235 16:21:52.323140  <4>[   32.032254] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 4236 16:21:52.333203  <4>[   32.040513] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 4237 16:21:52.339509  <4>[   32.048772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4238 16:21:52.349737  <4>[   32.057032] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 4239 16:21:52.359342  <4>[   32.065292] FS:  00007f72e0953580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 4240 16:21:52.365839  <4>[   32.074618] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4241 16:21:52.372561  <4>[   32.081323] CR2: ffffffffffffffd6 CR3: 00000001053b2004 CR4: 00000000003706f0

 4242 16:21:52.382436  <3>[   32.089582] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4243 16:21:52.392119  <3>[   32.099784] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1797, name: cat

 4244 16:21:52.395339  <4>[   32.108530] INFO: lockdep is turned off.

 4245 16:21:52.402298  <4>[   32.113196] irq event stamp: 0

 4246 16:21:52.408698  <4>[   32.116893] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4247 16:21:52.419028  <4>[   32.124174] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4248 16:21:52.425193  <4>[   32.133602] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4249 16:21:52.435503  <4>[   32.143017] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4250 16:21:52.442015  <4>[   32.150307] CPU: 0 PID: 1797 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4251 16:21:52.448485  <4>[   32.159244] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4252 16:21:52.452190  <4>[   32.166338] Call Trace:

 4253 16:21:52.458887  <4>[   32.169357]  dump_stack+0x77/0x9b

 4254 16:21:52.462018  <4>[   32.173353]  ___might_sleep.cold+0xa6/0xb6

 4255 16:21:52.465396  <4>[   32.178222]  exit_signals+0x1c/0x300

 4256 16:21:52.471773  <4>[   32.182507]  do_exit+0xc2/0xab0

 4257 16:21:52.475016  <4>[   32.186292]  ? ksys_write+0x68/0xf0

 4258 16:21:52.478292  <4>[   32.190468]  make_task_dead+0x2f/0x30

 4259 16:21:52.484609  <4>[   32.194847]  rewind_stack_and_make_dead+0x17/0x20

 4260 16:21:52.488122  <4>[   32.200389] RIP: 0033:0x7f72e0869473

 4261 16:21:52.511319  <4>[   32.204658] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4262 16:21:52.517671  <4>[   32.225929] RSP: 002b:00007ffe31b8c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4263 16:21:52.527466  <4>[   32.234674] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f72e0869473

 4264 16:21:52.534606  <4>[   32.242934] RDX: 000000000000000a RSI: 00007f72e075d000 RDI: 0000000000000001

 4265 16:21:52.544431  <4>[   32.251194] RBP: 00007f72e075d000 R08: 00007f72e075c010 R09: 0000000000000000

 4266 16:21:52.550532  <4>[   32.259452] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4267 16:21:52.561041  <4>[   32.267711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4268 16:21:52.561168  00000>] 0x0

 4269 16:21:52.570693  # [   26.125182] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4270 16:21:52.580429  # [   26.134608] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4271 16:21:52.586980  # [   26.144030] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4272 16:21:52.596678  # [   26.151335] CPU: 3 PID: 1015 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4273 16:21:52.603551  # [   26.160275] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4274 16:21:52.607118  # [   26.167388] Call Trace:

 4275 16:21:52.610077  # [   26.170397]  dump_stack+0x77/0x9b

 4276 16:21:52.613550  # [   26.174389]  ___might_sleep.cold+0xa6/0xb6

 4277 16:21:52.620070  # [   26.179251]  exit_signals+0x1c/0x300

 4278 16:21:52.623564  # [   26.183530]  do_exit+0xc2/0xab0

 4279 16:21:52.626620  # [   26.187340]  ? ksys_write+0x68/0xf0

 4280 16:21:52.629995  # [   26.191523]  make_task_dead+0x2f/0x30

 4281 16:21:52.636318  # [   26.195900]  rewind_stack_and_make_dead+0x17/0x20

 4282 16:21:52.640175  # [   26.201440] RIP: 0033:0x7f20508ab473

 4283 16:21:52.659966  # [   26.205720] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4284 16:21:52.673056  # [   26.226982] RSP: 002b:00007ffd36658598<6>[   32.375635] lkdtm: Performing direct entry ACCESS_USERSPACE

 4285 16:21:52.679472  <6>[   32.388190] lkdtm: attempting bad read at 00007f97ad741000

 4286 16:21:52.682947   EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4287 16:21:52.692654  # [   26.235727] R<1>[   32.394629] BUG: unable to handle page fault for address: 00007f97ad741000

 4288 16:21:52.699149  <1>[   32.408797] #PF: supervisor read access in kernel mode

 4289 16:21:52.705849  <1>[   32.414824] #PF: error_code(0x0001) - permissions violation

 4290 16:21:52.715533  <6>[   32.421336] PGD 8000000106f59067 P4D 8000000106f59067 PUD 102e09067 PMD 102bcc067 PTE 10b8e4067

 4291 16:21:52.718906  <4>[   32.431351] Oops: 0001 [#12] SMP PTI

 4292 16:21:52.728993  <4>[   32.435622] CPU: 3 PID: 1833 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4293 16:21:52.735819  <4>[   32.444561] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4294 16:21:52.742554  <4>[   32.451658] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4295 16:21:52.762069  <4>[   32.458172] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 80 2d d8 9a e8 28 d8 fb ff 48 c7 c7 a8 2d d8 9a b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0f d8 fb ff 48 89 ee 48 c7 c7 d0 2d d8

 4296 16:21:52.768228  <4>[   32.479444] RSP: 0018:ffffa5c402557e48 EFLAGS: 00010246

 4297 16:21:52.778070  <4>[   32.485569] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000

 4298 16:21:52.784715  <4>[   32.493829] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9ad82da8

 4299 16:21:52.794431  <4>[   32.502088] RBP: 00007f97ad741000 R08: 0000000000000000 R09: 0000000000000000

 4300 16:21:52.800986  <4>[   32.510348] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011

 4301 16:21:52.811409  <4>[   32.518609] R13: ffffa5c402557f10 R14: ffffa5c402557f10 R15: ffff98f0c2f3d000

 4302 16:21:52.821270  <4>[   32.526869] FS:  00007f97ad712580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 4303 16:21:52.827898  <4>[   32.536197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4304 16:21:52.834240  <4>[   32.542903] CR2: 00007f97ad741000 CR3: 0000000104816005 CR4: 00000000003706e0

 4305 16:21:52.837947  <4>[   32.551161] Call Trace:

 4306 16:21:52.844121  <4>[   32.554182]  ? __die_body.cold+0x1a/0x1f

 4307 16:21:52.847369  <4>[   32.558852]  ? no_context+0x177/0x380

 4308 16:21:52.851070  <4>[   32.563230]  ? exc_page_fault+0x53/0x170

 4309 16:21:52.857607  <4>[   32.567899]  ? asm_exc_page_fault+0x1e/0x30

 4310 16:21:52.863897  <4>[   32.572861]  ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4311 16:21:52.867530  <4>[   32.578695]  ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3

 4312 16:21:52.874151  <4>[   32.584519]  direct_entry.cold+0x2c/0x38

 4313 16:21:52.877039  <4>[   32.589181]  full_proxy_write+0x53/0x80

 4314 16:21:52.887404  AX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f20508ab473<4>[   32.593755]  vfs_write+0xe7/0x3b0

 4315 16:21:52.890378  <4>[   32.603954]  ksys_write+0x68/0xf0

 4316 16:21:52.897442  <4>[   32.607943]  do_syscall_64+0x30/0x40

 4317 16:21:52.903844  <4>[   32.612224]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4318 16:21:52.906811  <4>[   32.618146] RIP: 0033:0x7f97ad628473

 4319 16:21:52.926663  <4>[   32.622417] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4320 16:21:52.936430  <4>[   32.643682] RSP: 002b:00007ffca33aeed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4321 16:21:52.943144  <4>[   32.652420] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f97ad628473

 4322 16:21:52.953401  <4>[   32.660681] RDX: 0000000000000011 RSI: 00007f97ad51c000 RDI: 0000000000000001

 4323 16:21:52.959662  <4>[   32.668931] RBP: 00007f97ad51c000 R08: 00007f97ad51b010 R09: 0000000000000000

 4324 16:21:52.969838  <4>[   32.677191] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4325 16:21:52.976490  <4>[   32.685450] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4326 16:21:52.976579  

 4327 16:21:53.035742  # [   26.243987] RDX: 000000000000001a RSI: 00007f205079f000 R<4>[   32.693712] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4328 16:21:53.042335  <4>[   32.752701] CR2: 00007f97ad741000

 4329 16:21:53.045505  <4>[   32.756689] ---[ end trace 2116846283a514a2 ]---

 4330 16:21:53.052217  <4>[   32.762127] RIP: 0010:lkdtm_BUG+0x5/0x10

 4331 16:21:53.071543  <4>[   32.766794] Code: 89 ff e8 1e dc 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 00 67 0b 03

 4332 16:21:53.078266  <4>[   32.788069] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 4333 16:21:53.084883  <4>[   32.794185] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 4334 16:21:53.095300  <4>[   32.802444] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 4335 16:21:53.101720  <4>[   32.810704] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 4336 16:21:53.111553  <4>[   32.818965] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4337 16:21:53.118103  <4>[   32.827225] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 4338 16:21:53.127576  <4>[   32.835486] FS:  00007f97ad712580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 4339 16:21:53.134312  <4>[   32.844815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4340 16:21:53.144035  <4>[   32.851520] CR2: 00007f97ad741000 CR3: 0000000104816005 CR4: 00000000003706e0

 4341 16:21:53.144179  DI: 0000000000000001

 4342 16:21:53.154340  # [   26.252245] RBP: 00007f205079f000 R08: 00007f205079e010 R09: 0000000000000000

 4343 16:21:53.160577  # [   26.260505] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4344 16:21:53.171069  # [   26.268765] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4345 16:21:53.174203  # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok

 4346 16:21:53.180622  ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 4347 16:21:53.183939  # selftests: lkdtm: UNSET_SMEP.sh

 4348 16:21:53.190552  # [   26.359733] lkdtm: Performing direct entry UNSET_SMEP

 4349 16:21:53.193779  # [   26.370013] lkdtm: trying to clear SMEP normally

 4350 16:21:53.200270  # [   26.381676] ------------[ cut here ]------------

 4351 16:21:53.207240  # [   26.393341] pinned CR4 bits changed: 0x100000!?

 4352 16:21:53.216947  # [   26.404911] WARNING: CPU: 1 PID: 1052 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60

 4353 16:21:53.249845  # [   26.421616] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cr<6>[   32.953057] lkdtm: Performing direct entry ACCESS_NULL

 4354 16:21:53.256764  <6>[   32.965294] lkdtm: attempting bad read at 0000000000000000

 4355 16:21:53.263078  <1>[   32.971719] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4356 16:21:53.276302  os_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress sn<1>[   32.979814] #PF: supervisor read access in kernel mode

 4357 16:21:53.282851  <1>[   32.992054] #PF: error_code(0x0000) - not-present page

 4358 16:21:53.286086  <6>[   32.998072] PGD 0 P4D 0 

 4359 16:21:53.289245  <4>[   33.001177] Oops: 0000 [#13] SMP PTI

 4360 16:21:53.299271  <4>[   33.005456] CPU: 3 PID: 1869 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4361 16:21:53.305958  <4>[   33.014395] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4362 16:21:53.312240  <4>[   33.021493] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 4363 16:21:53.332519  <4>[   33.027035] Code: cc d7 fb ff be 00 10 00 00 48 89 ef e8 b3 7b 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 2d d8 9a e8 a6 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 a8 2d d8 9a 48 01

 4364 16:21:53.339076  <4>[   33.048301] RSP: 0018:ffffa5c4025ffe58 EFLAGS: 00010246

 4365 16:21:53.345922  <4>[   33.054426] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 4366 16:21:53.355128  <4>[   33.062685] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50

 4367 16:21:53.361769  <4>[   33.070945] RBP: ffffffff9ad81e71 R08: 0000000000000000 R09: 0000000000000000

 4368 16:21:53.372277  <4>[   33.079205] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4369 16:21:53.378870  <4>[   33.087465] R13: ffffa5c4025fff10 R14: ffffa5c4025fff10 R15: ffff98f0c2acd000

 4370 16:21:53.388828  <4>[   33.095724] FS:  00007f5ad4189580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 4371 16:21:53.395000  <4>[   33.105054] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4372 16:21:53.405115  <4>[   33.111760] CR2: 0000000000000000 CR3: 0000000102ace001 CR4: 00000000003706e0

 4373 16:21:53.408320  <4>[   33.120021] Call Trace:

 4374 16:21:53.411617  <4>[   33.123042]  ? __die_body.cold+0x1a/0x1f

 4375 16:21:53.414527  <4>[   33.127709]  ? no_context+0x177/0x380

 4376 16:21:53.421454  <4>[   33.132080]  ? exc_page_fault+0x53/0x170

 4377 16:21:53.424999  <4>[   33.136748]  ? asm_exc_page_fault+0x1e/0x30

 4378 16:21:53.431074  <4>[   33.141710]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4379 16:21:53.434379  <4>[   33.146571]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4380 16:21:53.441054  <4>[   33.151434]  direct_entry.cold+0x2c/0x38

 4381 16:21:53.444297  <4>[   33.156096]  full_proxy_write+0x53/0x80

 4382 16:21:53.447602  <4>[   33.160667]  vfs_write+0xe7/0x3b0

 4383 16:21:53.450863  <4>[   33.164646]  ksys_write+0x68/0xf0

 4384 16:21:53.457536  <4>[   33.168635]  do_syscall_64+0x30/0x40

 4385 16:21:53.464305  <4>[   33.172913]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4386 16:21:53.467362  <4>[   33.178843] RIP: 0033:0x7f5ad409f473

 4387 16:21:53.487547  <4>[   33.183114] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4388 16:21:53.497543  <4>[   33.204391] RSP: 002b:00007ffd2a31bec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4389 16:21:53.504025  <4>[   33.213136] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f5ad409f473

 4390 16:21:53.513741  <4>[   33.221401] RDX: 000000000000000c RSI: 00007f5ad3f93000 RDI: 0000000000000001

 4391 16:21:53.520488  <4>[   33.229662] RBP: 00007f5ad3f93000 R08: 00007f5ad3f92010 R09: 0000000000000000

 4392 16:21:53.529977  <4>[   33.237922] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4393 16:21:53.536912  <4>[   33.246183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4394 16:21:53.596031  d_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pk<4>[   33.254445] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4395 16:21:53.602624  <4>[   33.313437] CR2: 0000000000000000

 4396 16:21:53.606546  <4>[   33.317426] ---[ end trace 2116846283a514a3 ]---

 4397 16:21:53.612541  <4>[   33.322872] RIP: 0010:lkdtm_BUG+0x5/0x10

 4398 16:21:53.632519  <4>[   33.327540] Code: 89 ff e8 1e dc 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 00 67 0b 03

 4399 16:21:53.639526  <4>[   33.348805] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 4400 16:21:53.645911  <4>[   33.354928] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 4401 16:21:53.655386  <4>[   33.363187] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 4402 16:21:53.662259  <4>[   33.371447] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 4403 16:21:53.672491  <4>[   33.379707] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4404 16:21:53.678736  <4>[   33.387966] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 4405 16:21:53.688873  <4>[   33.396226] FS:  00007f5ad4189580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 4406 16:21:53.695202  <4>[   33.405553] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4407 16:21:53.705027  <4>[   33.412259] CR2: 0000000000000000 CR3: 0000000102ace001 CR4: 00000000003706e0

 4408 16:21:53.714947  <3>[   33.420519] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4409 16:21:53.721498  <3>[   33.430722] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1869, name: cat

 4410 16:21:53.728614  <4>[   33.439466] INFO: lockdep is turned off.

 4411 16:21:53.731921  <4>[   33.444133] irq event stamp: 0

 4412 16:21:53.738264  <4>[   33.447828] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4413 16:21:53.748621  <4>[   33.455118] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4414 16:21:53.758465  <4>[   33.464543] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4415 16:21:53.765246  <4>[   33.473969] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4416 16:21:53.774861  <4>[   33.481258] CPU: 3 PID: 1869 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4417 16:21:53.781280  <4>[   33.490197] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4418 16:21:53.784498  <4>[   33.497291] Call Trace:

 4419 16:21:53.788328  <4>[   33.500309]  dump_stack+0x77/0x9b

 4420 16:21:53.794555  <4>[   33.504347]  ___might_sleep.cold+0xa6/0xb6

 4421 16:21:53.797714  <4>[   33.509212]  exit_signals+0x1c/0x300

 4422 16:21:53.801360  <4>[   33.513492]  do_exit+0xc2/0xab0

 4423 16:21:53.804259  <4>[   33.517287]  ? ksys_write+0x68/0xf0

 4424 16:21:53.811247  <4>[   33.521470]  make_task_dead+0x2f/0x30

 4425 16:21:53.814353  <4>[   33.525846]  rewind_stack_and_make_dead+0x17/0x20

 4426 16:21:53.820812  <4>[   33.531392] RIP: 0033:0x7f5ad409f473

 4427 16:21:53.841072  <4>[   33.535670] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4428 16:21:53.850559  <4>[   33.556942] RSP: 002b:00007ffd2a31bec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4429 16:21:53.857122  <4>[   33.565689] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f5ad409f473

 4430 16:21:53.867398  <4>[   33.573949] RDX: 000000000000000c RSI: 00007f5ad3f93000 RDI: 0000000000000001

 4431 16:21:53.874078  <4>[   33.582210] RBP: 00007f5ad3f93000 R08: 00007f5ad3f92010 R09: 0000000000000000

 4432 16:21:53.883471  <4>[   33.590470] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4433 16:21:53.890202  <4>[   33.598728] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4434 16:21:53.903403  g_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4435 16:21:53.913049  # [   26.480564] CPU: 1 PID: 1052 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4436 16:21:53.919631  # [   26.495721] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4437 16:21:53.926191  # [   26.509035] RIP: 0010:native_write_cr4+0x45/0x60

 4438 16:21:53.946503  # [   26.520697] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 38 5e 66 02 00 75 f2 48 c7 c7 e0 f9 c7 9a c6 05 28 5e 66 02 01 e8 8d 45 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 4439 16:21:53.952664  # [   26.548186] RSP: 0018:ffffa5c401987e48 EFLAGS: 00010286

 4440 16:21:53.959369  # [   26.560533] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000

 4441 16:21:53.969498  # [   26.575008] RDX: ffff98f13acac620 RSI: ffff98f13ac9bf50 RDI: ffff98f13ac9bf50

 4442 16:21:53.975546  # [   26.583270] RBP: ffffffff9ad81ced R08: 0000000000000000 R09: 0000000000000000

 4443 16:21:53.985721  # [   26.597767] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4444 16:21:53.995563  # [   26.612248] R13: ffffa5c401987f10 R14: ffffa5c401<6>[   33.704391] lkdtm: Performing direct entry WRITE_RO

 4445 16:21:54.002092  <6>[   33.712212] lkdtm: attempting bad rodata write at ffffffff9a8f8230

 4446 16:21:54.011785  <1>[   33.719431] BUG: unable to handle page fault for address: ffffffff9a8f8230

 4447 16:21:54.014969  987f10 R15: ffff98f0c6f73000

 4448 16:21:54.025124  # [   26.626727] FS:  00007ff291f8<1>[   33.727410] #PF: supervisor write access in kernel mode

 4449 16:21:54.028330  <1>[   33.739745] #PF: error_code(0x0003) - permissions violation

 4450 16:21:54.038369  <6>[   33.746259] PGD 33c29067 P4D 33c29067 PUD 33c2a063 PMD 80000000334000e1 

 4451 16:21:54.041640  <4>[   33.754038] Oops: 0003 [#14] SMP PTI

 4452 16:21:54.051334  <4>[   33.758327] CPU: 3 PID: 1905 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4453 16:21:54.058321  2580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000

 4454 16:21:54.064835  # [<4>[   33.767269] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4455 16:21:54.068348  <4>[   33.780581] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 4456 16:21:54.091117  <4>[   33.785833] Code: 00 48 c7 c7 60 2c d8 9a 48 c7 c6 30 82 8f 9a e8 50 da fb ff 48 8b 05 bd 9b a9 00 ba 34 12 cd ab 48 c7 c7 90 2c d8 9a 48 31 d0 <48> 89 05 a7 9b a9 00 e9 2e da fb ff 0f 1f 44 00 00 48 8b 05 b6 bc

 4457 16:21:54.097804  <4>[   33.807098] RSP: 0018:ffffa5c402687e60 EFLAGS: 00010202

 4458 16:21:54.104675  <4>[   33.813223] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 4459 16:21:54.114465  <4>[   33.821483] RDX: 00000000abcd1234 RSI: ffff98f13ad9bf50 RDI: ffffffff9ad82c90

 4460 16:21:54.121032  <4>[   33.829742] RBP: ffffffff9ad81e7d R08: 0000000000000000 R09: 0000000000000000

 4461 16:21:54.131015  <4>[   33.838000] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 4462 16:21:54.137605  <4>[   33.846261] R13: ffffa5c402687f10 R14: ffffa5c402687f10 R15: ffff98f0c5806000

 4463 16:21:54.147101  <4>[   33.854521] FS:  00007f5f1962f580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 4464 16:21:54.154174  <4>[   33.863840] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4465 16:21:54.163841  <4>[   33.870546] CR2: ffffffff9a8f8230 CR3: 0000000102aca005 CR4: 00000000003706e0

 4466 16:21:54.166981  <4>[   33.878807] Call Trace:

 4467 16:21:54.170210  <4>[   33.881826]  ? __die_body.cold+0x1a/0x1f

 4468 16:21:54.173528  <4>[   33.886497]  ? no_context+0x177/0x380

 4469 16:21:54.180000  <4>[   33.890876]  ? exc_page_fault+0xd7/0x170

 4470 16:21:54.183877  <4>[   33.895544]  ? asm_exc_page_fault+0x1e/0x30

 4471 16:21:54.190347  <4>[   33.900498]  ? lkdtm_WRITE_RO+0x2e/0x3a

 4472 16:21:54.193482  <4>[   33.905069]  direct_entry.cold+0x2c/0x38

 4473 16:21:54.196456  <4>[   33.909737]  full_proxy_write+0x53/0x80

 4474 16:21:54.203175  <4>[   33.914309]  vfs_write+0xe7/0x3b0

 4475 16:21:54.209660     26.642269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4476 16:21:54.213200  <4>[   33.918324]  ksys_write+0x68/0xf0

 4477 16:21:54.216804  <4>[   33.928524]  do_syscall_64+0x30/0x40

 4478 16:21:54.223020  <4>[   33.932794]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4479 16:21:54.226216  <4>[   33.938724] RIP: 0033:0x7f5f19545473

 4480 16:21:54.249585  <4>[   33.943003] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4481 16:21:54.256382  <4>[   33.964277] RSP: 002b:00007fff964aac18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4482 16:21:54.266343  <4>[   33.973023] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f5f19545473

 4483 16:21:54.272873  <4>[   33.981283] RDX: 0000000000000009 RSI: 00007f5f19439000 RDI: 0000000000000001

 4484 16:21:54.282859  <4>[   33.989541] RBP: 00007f5f19439000 R08: 00007f5f19438010 R09: 0000000000000000

 4485 16:21:54.289159  <4>[   33.997800] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4486 16:21:54.298818  <4>[   34.006060] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4487 16:21:54.298907  

 4488 16:21:54.357820  # [   26.648980] CR2: 00007ff291d8c000 CR3: 0000000102b06001 CR<4>[   34.014340] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4489 16:21:54.361444  <4>[   34.073296] CR2: ffffffff9a8f8230

 4490 16:21:54.368211  <4>[   34.077276] ---[ end trace 2116846283a514a4 ]---

 4491 16:21:54.371266  <4>[   34.082713] RIP: 0010:lkdtm_BUG+0x5/0x10

 4492 16:21:54.390954  <4>[   34.087390] Code: 89 ff e8 1e dc 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 00 67 0b 03

 4493 16:21:54.397804  <4>[   34.108665] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 4494 16:21:54.407597  <4>[   34.114788] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 4495 16:21:54.414223  <4>[   34.123048] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 4496 16:21:54.424234  <4>[   34.131325] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 4497 16:21:54.424320  4: 00000000003706e0

 4498 16:21:54.427445  # [   26.663452] Call Trace:

 4499 16:21:54.437283  # [   26.6664<4>[   34.139594] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4500 16:21:54.447088  <4>[   34.154068] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 4501 16:21:54.456731  <4>[   34.162337] FS:  00007f5f1962f580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 4502 16:21:54.463760  <4>[   34.171667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4503 16:21:54.469895  <4>[   34.178386] CR2: ffffffff9a8f8230 CR3: 0000000102aca005 CR4: 00000000003706e0

 4504 16:21:54.473608  77]  ? __warn+0x80/0x110

 4505 16:21:54.476901  # [   26.676575]  ? native_write_cr4+0x45/0x60

 4506 16:21:54.483261  # [   26.687559]  ? report_bug+0x9e/0xc0

 4507 16:21:54.486519  # [   26.697984]  ? handle_bug+0x41/0x90

 4508 16:21:54.490281  # [   26.708390]  ? exc_invalid_op+0x14/0x70

 4509 16:21:54.496714  # [   26.712963]  ? asm_exc_invalid_op+0x12/0x20

 4510 16:21:54.499978  # [   26.724135]  ? native_write_cr4+0x45/0x60

 4511 16:21:54.503046  # [   26.735115]  ? native_write_cr4+0x45/0x60

 4512 16:21:54.510068  # [   26.739885]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 4513 16:21:54.513251  # [   26.751249]  direct_entry.cold+0x2c/0x38

 4514 16:21:54.519616  # [   26.755946]  full_proxy_write+0x53/0x80

 4515 16:21:54.522998  # [   26.766727]  vfs_write+0xe7/0x3b0

 4516 16:21:54.526224  # [   26.776932]  ksys_write+0x68/0xf0

 4517 16:21:54.529577  # [   26.780925]  do_syscall_64+0x30/0x40

 4518 16:21:54.536274  # [   26.791413]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4519 16:21:54.539519  # [   26.797372] RIP: 0033:0x7ff291e98473

 4520 16:21:54.562753  # [   26.807862] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4521 16:21:54.569150  # [   26.829137] RSP:<6>[   34.277242] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 4522 16:21:54.585335   002b:00007ffc74b9c648 EFLAGS: 00000246 ORIG_RAX: 00000000000000<6>[   34.286743] lkdtm: attempting bad ro_after_init write at ffffffff9ae0a350

 4523 16:21:54.585447  01

 4524 16:21:54.598524  # [   26.844096] RAX: ffffffffffffffda RBX: 000000000000000b<1>[   34.300841] BUG: unable to handle page fault for address: ffffffff9ae0a350

 4525 16:21:54.605058  <1>[   34.315009] #PF: supervisor write access in kernel mode

 4526 16:21:54.612014  <1>[   34.321133] #PF: error_code(0x0003) - permissions violation

 4527 16:21:54.622143  <6>[   34.327647] PGD 33c29067 P4D 33c29067 PUD 33c2a063 PMD 1052d4063 PTE 8000000033a0a061

 4528 16:21:54.625422  <4>[   34.336694] Oops: 0003 [#15] SMP PTI

 4529 16:21:54.635373  <4>[   34.340965] CPU: 0 PID: 1941 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4530 16:21:54.641400  <4>[   34.349896] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4531 16:21:54.648050  <4>[   34.356992] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 4532 16:21:54.668034  <4>[   34.363315] Code: 2c d8 9a e9 02 da fb ff 48 c7 c7 e8 2c d8 9a e8 f6 d9 fb ff 48 8b 05 83 bc fa 00 ba 34 12 cd ab 48 c7 c7 90 2c d8 9a 48 31 d0 <48> 89 05 6d bc fa 00 e9 d4 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 4533 16:21:54.674551  <4>[   34.384588] RSP: 0018:ffffa5c402727e60 EFLAGS: 00010202

 4534 16:21:54.684449  <4>[   34.390713] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 4535 16:21:54.690917  <4>[   34.398965] RDX: 00000000abcd1234 RSI: ffff98f13ac1bf50 RDI: ffffffff9ad82c90

 4536 16:21:54.700867  <4>[   34.407217] RBP: ffffffff9ad81e86 R08: 0000000000000000 R09: 0000000000000000

 4537 16:21:54.707249  <4>[   34.415476] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 4538 16:21:54.717277  <4>[   34.423736] R13: ffffa5c402727f10 R14: ffffa5c402727f10 R15: ffff98f0c5819000

 4539 16:21:54.724418  <4>[   34.431996] FS:  00007f7abcd4b580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 4540 16:21:54.730671  <4>[   34.441323] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4541 16:21:54.741154  <4>[   34.448028] CR2: ffffffff9ae0a350 CR3: 0000000102b80003 CR4: 00000000003706f0

 4542 16:21:54.744011  <4>[   34.456288] Call Trace:

 4543 16:21:54.747576  <4>[   34.459308]  ? __die_body.cold+0x1a/0x1f

 4544 16:21:54.754306  <4>[   34.463974]  ? no_context+0x177/0x380

 4545 16:21:54.757300  <4>[   34.468359]  ? exc_page_fault+0xd7/0x170

 4546 16:21:54.760730  <4>[   34.473033]  ? asm_exc_page_fault+0x1e/0x30

 4547 16:21:54.767625  <4>[   34.477996]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 4548 16:21:54.773407  <4>[   34.483640]  direct_entry.cold+0x2c/0x38

 4549 16:21:54.777731  <4>[   34.488311]  full_proxy_write+0x53/0x80

 4550 16:21:54.780221  <4>[   34.492887]  vfs_write+0xe7/0x3b0

 4551 16:21:54.783579  <4>[   34.496881]  ksys_write+0x68/0xf0

 4552 16:21:54.790563  <4>[   34.500870]  do_syscall_64+0x30/0x40

 4553 16:21:54.796785  <4>[   34.505150]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4554 16:21:54.800378  <4>[   34.511081] RIP: 0033:0x7f7abcc61473

 4555 16:21:54.820047  <4>[   34.515360] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4556 16:21:54.830220  <4>[   34.536623] RSP: 002b:00007ffe6eae5ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4557 16:21:54.836897  <4>[   34.545369] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f7abcc61473

 4558 16:21:54.846181  <4>[   34.553630] RDX: 0000000000000014 RSI: 00007f7abcb55000 RDI: 0000000000000001

 4559 16:21:54.852833  <4>[   34.561891] RBP: 00007f7abcb55000 R08: 00007f7abcb54010 R09: 0000000000000000

 4560 16:21:54.862878  <4>[   34.570142] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4561 16:21:54.869065  <4>[   34.578403] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4562 16:21:54.922249  <4>[   34.586666] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4563 16:21:54.928501  <4>[   34.639431] CR2: ffffffff9ae0a350

 4564 16:21:54.932252  <4>[   34.643410] ---[ end trace 2116846283a514a5 ]---

 4565 16:21:54.938856  <4>[   34.648856] RIP: 0010:lkdtm_BUG+0x5/0x10

 4566 16:21:54.958597  <4>[   34.653530] Code: 89 ff e8 1e dc 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 00 67 0b 03

 4567 16:21:54.965149  <4>[   34.674804] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 4568 16:21:54.975118  <4>[   34.680929] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 4569 16:21:54.981351  <4>[   34.689187] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 4570 16:21:54.991204  <4>[   34.697448] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 4571 16:21:54.998303  <4>[   34.705708] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4572 16:21:55.008307  <4>[   34.713968] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 4573 16:21:55.014757  <4>[   34.722227] FS:  00007f7abcd4b580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 4574 16:21:55.021128  <4>[   34.731556] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4575 16:21:55.031278  <4>[   34.738262] CR2: ffffffff9ae0a350 CR3: 0000000102b80003 CR4: 00000000003706f0

 4576 16:21:55.040773  <3>[   34.746522] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4577 16:21:55.050365  <3>[   34.756725] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1941, name: cat

 4578 16:21:55.053638  <4>[   34.765461] INFO: lockdep is turned off.

 4579 16:21:55.056998  <4>[   34.770129] irq event stamp: 0

 4580 16:21:55.063425  <4>[   34.773817] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4581 16:21:55.073773  <4>[   34.781099] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4582 16:21:55.083583  <4>[   34.790525] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4583 16:21:55.090206  <4>[   34.799950] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4584 16:21:55.099883  <4>[   34.807239] CPU: 0 PID: 1941 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4585 16:21:55.106352  <4>[   34.816180] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4586 16:21:55.109725  <4>[   34.823274] Call Trace:

 4587 16:21:55.113314  <4>[   34.826293]  dump_stack+0x77/0x9b

 4588 16:21:55.119969  <4>[   34.830289]  ___might_sleep.cold+0xa6/0xb6

 4589 16:21:55.123438  <4>[   34.835159]  exit_signals+0x1c/0x300

 4590 16:21:55.126721  <4>[   34.839445]  do_exit+0xc2/0xab0

 4591 16:21:55.129775  <4>[   34.843240]  ? ksys_write+0x68/0xf0

 4592 16:21:55.136135  <4>[   34.847428]  make_task_dead+0x2f/0x30

 4593 16:21:55.140022  <4>[   34.851797]  rewind_stack_and_make_dead+0x17/0x20

 4594 16:21:55.146409  <4>[   34.857337] RIP: 0033:0x7f7abcc61473

 4595 16:21:55.165900  <4>[   34.861615] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4596 16:21:55.175942  <4>[   34.882886] RSP: 002b:00007ffe6eae5ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4597 16:21:55.182547  <4>[   34.891633] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f7abcc61473

 4598 16:21:55.192370  <4>[   34.899892] RDX: 0000000000000014 RSI: 00007f7abcb55000 RDI: 0000000000000001

 4599 16:21:55.198908  <4>[   34.908150] RBP: 00007f7abcb55000 R08: 00007f7abcb54010 R09: 0000000000000000

 4600 16:21:55.208920  <4>[   34.916409] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4601 16:21:55.215545  <4>[   34.924669] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4602 16:21:55.218913   RCX: 00007ff291e98473

 4603 16:21:55.228239  # [   26.858574] RDX: 000000000000000b RSI: 00007ff291d8c000 RDI: 0000000000000001

 4604 16:21:55.234891  # [   26.866839] RBP: 00007ff291d8c000 R08: 00007ff291d8b010 R09: 0000000000000000

 4605 16:21:55.244949  # [   26.881327] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4606 16:21:55.251371  # [   26.889597] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4607 16:21:55.255334  # [   26.904075] irq event stamp: 0

 4608 16:21:55.261618  # [   26.913985] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4609 16:21:55.271160  # [   26.921279] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4610 16:21:55.281565  # [   26.936915] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4611 16:21:55.288264  # [   26.946346] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4612 16:21:55.294194  # [   26.959844] ---[ end trace 2116846283a5149a ]---

 4613 16:21:55.297553  # [   26.965292] lkdtm: ok: SMEP did not get cleared

 4614 16:21:55.304245  # [   26.976849] lkdtm: trying to clear SMEP with call gadget

 4615 16:21:55.311023  # [   26.983074] lkdtm: ok: SMEP removal was reverted

 4616 16:21:55.314337  # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok

 4617 16:21:55.317539  ok 14 selftests: lkdtm: UNSET_SMEP.sh

 4618 16:21:55.324128  # selftests: lkdtm: DOUBLE_FAULT.sh

 4619 16:21:55.327570  # [   27.064089] lkdtm: Performing direct entry DOUBLE_FAULT

 4620 16:21:55.333944  <6>[   35.039298] lkdtm: Performing direct entry WRITE_KERN

 4621 16:21:55.341037  # [   27.075445] lkdtm: XFAIL: this test is ia32-only

 4622 16:21:55.347276  # DOUBLE_<6>[   35.050773] lkdtm: attempting bad 7220333 byte write at ffffffff99e5e5ed

 4623 16:21:55.350569  FAULT: saw 'XFAIL': [SKIP]

 4624 16:21:55.363544  ok 15 selftests: lkdtm: DOUBLE_FAULT<1>[   35.064800] BUG: unable to handle page fault for address: ffffffff99e5e5ed

 4625 16:21:55.370598  <1>[   35.078940] #PF: supervisor write access in kernel mode

 4626 16:21:55.377082  <1>[   35.085063] #PF: error_code(0x0003) - permissions violation

 4627 16:21:55.383614  <6>[   35.091575] PGD 33c29067 P4D 33c29067 PUD 33c2a063 PMD 32a000e1 

 4628 16:21:55.386985  <4>[   35.098583] Oops: 0003 [#16] SMP PTI

 4629 16:21:55.396681  <4>[   35.102863] CPU: 0 PID: 1977 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4630 16:21:55.403275  <4>[   35.111802] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4631 16:21:55.406734  <4>[   35.118898] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 4632 16:21:55.430358  <4>[   35.124349] Code: 53 48 c7 c3 ed e5 e5 99 49 89 dc 48 89 da 49 81 ec 80 b9 77 99 4c 89 e6 e8 a9 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 80 b9 77 99 <f3> a4 48 c7 c7 90 2c d8 9a e8 8e d9 fb ff 5b 41 5c e9 b7 fe ff ff

 4633 16:21:55.437215  <4>[   35.145619] RSP: 0018:ffffa5c4027b7e50 EFLAGS: 00010246

 4634 16:21:55.443827  <4>[   35.151742] RAX: 000000000000003c RBX: ffffffff99e5e5ed RCX: 00000000006e2c6d

 4635 16:21:55.453447  <4>[   35.160003] RDX: 0000000000000000 RSI: ffffffff9977b980 RDI: ffffffff99e5e5ed

 4636 16:21:55.459771  <4>[   35.168263] RBP: ffffffff9ad81e9a R08: 0000000000000000 R09: 0000000000000000

 4637 16:21:55.469376  <4>[   35.176523] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e2c6d

 4638 16:21:55.476073  <4>[   35.184781] R13: ffffa5c4027b7f10 R14: ffffa5c4027b7f10 R15: ffff98f0c2d60000

 4639 16:21:55.486087  <4>[   35.193042] FS:  00007f356f269580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 4640 16:21:55.492715  <4>[   35.202370] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4641 16:21:55.503142  <4>[   35.209076] CR2: ffffffff99e5e5ed CR3: 0000000103806005 CR4: 00000000003706f0

 4642 16:21:55.506614  <4>[   35.217336] Call Trace:

 4643 16:21:55.509692  <4>[   35.220357]  ? __die_body.cold+0x1a/0x1f

 4644 16:21:55.512948  <4>[   35.225033]  ? no_context+0x177/0x380

 4645 16:21:55.519585  <4>[   35.229418]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4646 16:21:55.523080  <4>[   35.235161]  ? exc_page_fault+0xd7/0x170

 4647 16:21:55.528905  <4>[   35.239829]  ? asm_exc_page_fault+0x1e/0x30

 4648 16:21:55.535508  <4>[   35.244781]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4649 16:21:55.539117  <4>[   35.250517]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 4650 16:21:55.545500  <4>[   35.255676]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4651 16:21:55.549076  <4>[   35.261403]  ? lkdtm_WRITE_KERN+0x38/0x4e

 4652 16:21:55.555298  <4>[   35.266169]  direct_entry.cold+0x2c/0x38

 4653 16:21:55.558636  <4>[   35.270838]  full_proxy_write+0x53/0x80

 4654 16:21:55.565509  <4>[   35.275417]  vfs_write+0xe7/0x3b0

 4655 16:21:55.568946  <4>[   35.279412]  ksys_write+0x68/0xf0

 4656 16:21:55.571780  <4>[   35.283400]  do_syscall_64+0x30/0x40

 4657 16:21:55.578445  <4>[   35.287679]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4658 16:21:55.582073  <4>[   35.293609] RIP: 0033:0x7f356f17f473

 4659 16:21:55.604870  <4>[   35.297879] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4660 16:21:55.611801  <4>[   35.319151] RSP: 002b:00007fffd556e068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4661 16:21:55.622286  <4>[   35.327890] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f356f17f473

 4662 16:21:55.627968  <4>[   35.336142] RDX: 000000000000000b RSI: 00007f356f073000 RDI: 0000000000000001

 4663 16:21:55.637458  <4>[   35.344393] RBP: 00007f356f073000 R08: 00007f356f072010 R09: 0000000000000000

 4664 16:21:55.644755  <4>[   35.352651] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4665 16:21:55.654043  <4>[   35.360911] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4666 16:21:55.707290  <4>[   35.369175] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4667 16:21:55.710667  <4>[   35.421940] CR2: ffffffff99e5e5ed

 4668 16:21:55.717121  <4>[   35.425928] ---[ end trace 2116846283a514a6 ]---

 4669 16:21:55.720310  <4>[   35.431372] RIP: 0010:lkdtm_BUG+0x5/0x10

 4670 16:21:55.740902  <4>[   35.436041] Code: 89 ff e8 1e dc 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 00 67 0b 03

 4671 16:21:55.746873  <4>[   35.457311] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 4672 16:21:55.757152  <4>[   35.463434] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 4673 16:21:55.763846  <4>[   35.471693] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 4674 16:21:55.773437  <4>[   35.479951] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 4675 16:21:55.780008  <4>[   35.488210] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4676 16:21:55.789561  <4>[   35.496470] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 4677 16:21:55.799197  <4>[   35.504722] FS:  00007f356f269580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 4678 16:21:55.805765  <4>[   35.514040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4679 16:21:55.812265  <4>[   35.520745] CR2: ffffffff99e5e5ed CR3: 0000000103806005 CR4: 00000000003706f0

 4680 16:21:55.815614  .sh # SKIP

 4681 16:21:55.819463  # selftests: lkdtm: CORRUPT_PAC.sh

 4682 16:21:55.822141  # [   27.146423] lkdtm: Performing direct entry CORRUPT_PAC

 4683 16:21:55.828879  # [   27.155329] lkdtm: XFAIL: this test is arm64-only

 4684 16:21:55.831956  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 4685 16:21:55.839115  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 4686 16:21:55.842515  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 4687 16:21:55.848586  # [   27.232272] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 4688 16:21:55.858649  # [   27.242949] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 4689 16:21:55.861827  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 4690 16:21:55.868263  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 4691 16:21:55.871468  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 4692 16:21:55.878382  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 4693 16:21:55.885012  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 4694 16:21:55.888223  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 4695 16:21:55.894714  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 4696 16:21:55.898002  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 4697 16:21:55.901504  # selftests: lkdtm: READ_AFTER_FREE.sh

 4698 16:21:55.908206  # [   27.372845] lkdtm: Performing direct entry READ_AFTER_FREE

 4699 16:21:55.915076  # [   27.381638] lkdtm: Value in memory before free: 12345678

 4700 16:21:55.921456  # [   27.387872] lkdtm: Attempting bad read from freed memory

 4701 16:21:55.924669  # [   27.400308] lkdtm: Memory was not poisoned

 4702 16:21:55.931243  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 4703 16:21:55.938392  not ok<6>[   35.643257] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 4704 16:21:55.944729  <6>[   35.654112] lkdtm: attempting good refcount_inc() without overflow

 4705 16:21:55.950603   20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 4706 16:21:55.957795  # selftests: <6>[   35.661345] lkdtm: attempting bad refcount_inc() overflow

 4707 16:21:55.964203  <4>[   35.673874] ------------[ cut here ]------------

 4708 16:21:55.970914  <4>[   35.679343] refcount_t: saturated; leaking memory.

 4709 16:21:55.974293  lkdtm: WRITE_BUDDY_AFTER_FREE.sh

 4710 16:21:55.984097  # Skipping WRITE_BUDDY_AFTER_F<4>[   35.685002] WARNING: CPU: 2 PID: 2013 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 4711 16:21:55.987795  REE: Corrupts memory on failure

 4712 16:21:56.043522  ok 21 selftests: lkdtm: WRITE_B<4>[   35.700920] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4713 16:21:56.052956  <4>[   35.759912] CPU: 2 PID: 2013 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4714 16:21:56.059613  <4>[   35.768879] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4715 16:21:56.066306  <4>[   35.775979] RIP: 0010:refcount_warn_saturate+0x51/0x110

 4716 16:21:56.089196  <4>[   35.782130] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 69 00 17 02 00 75 ee 48 c7 c7 c8 ca cd 9a c6 05 59 00 17 02 01 e8 d1 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd

 4717 16:21:56.092878  <4>[   35.803406] RSP: 0018:ffffa5c402847e48 EFLAGS: 00010286

 4718 16:21:56.102452  <4>[   35.809534] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 4719 16:21:56.109006  <4>[   35.817797] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50

 4720 16:21:56.119148  <4>[   35.826061] RBP: ffffffff9ad81ea5 R08: 0000000000000000 R09: 0000000000000000

 4721 16:21:56.125716  <4>[   35.834340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 4722 16:21:56.128941  UDDY_AFTER_FREE.sh # SKIP

 4723 16:21:56.142371  # selftests: lkdtm: READ_BUDDY_AFTER_<4>[   35.842606] R13: ffffa5c402847f10 R14: ffffa5c402847f10 R15: ffff98f0c2de6000

 4724 16:21:56.151853  <4>[   35.857077] FS:  00007fe04371d580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000

 4725 16:21:56.158425  <4>[   35.866407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4726 16:21:56.165437  <4>[   35.873116] CR2: 00007fe043527000 CR3: 0000000102bbe003 CR4: 00000000003706e0

 4727 16:21:56.168485  <4>[   35.881389] Call Trace:

 4728 16:21:56.171697  <4>[   35.884413]  ? __warn+0x80/0x110

 4729 16:21:56.174973  FREE.sh

 4730 16:21:56.184953  # [   27.498979] lkdtm: Performing direct entry READ_BU<4>[   35.888334]  ? refcount_warn_saturate+0x51/0x110

 4731 16:21:56.188238  <4>[   35.899992]  ? report_bug+0x9e/0xc0

 4732 16:21:56.191465  <4>[   35.904203]  ? handle_bug+0x41/0x90

 4733 16:21:56.198000  <4>[   35.908408]  ? exc_invalid_op+0x14/0x70

 4734 16:21:56.201263  <4>[   35.912981]  ? asm_exc_invalid_op+0x12/0x20

 4735 16:21:56.204965  DDY_AFTER_FREE

 4736 16:21:56.215031  # [   27.511666] lkdtm: Value in memory before f<4>[   35.917955]  ? refcount_warn_saturate+0x51/0x110

 4737 16:21:56.218267  <4>[   35.929608]  ? refcount_warn_saturate+0x51/0x110

 4738 16:21:56.224560  <4>[   35.935055]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 4739 16:21:56.231132  <4>[   35.940697]  direct_entry.cold+0x2c/0x38

 4740 16:21:56.234323  <4>[   35.945390]  full_proxy_write+0x53/0x80

 4741 16:21:56.237731  <4>[   35.949996]  vfs_write+0xe7/0x3b0

 4742 16:21:56.240669  <4>[   35.954016]  ksys_write+0x68/0xf0

 4743 16:21:56.247298  <4>[   35.958038]  do_syscall_64+0x30/0x40

 4744 16:21:56.247706  ree: 12345678

 4745 16:21:56.257747  # [   27.524080] lkdtm: Attempting to read from f<4>[   35.962332]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4746 16:21:56.264091  <4>[   35.974471] RIP: 0033:0x7fe043633473

 4747 16:21:56.284064  <4>[   35.978753] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4748 16:21:56.293945  <4>[   36.000028] RSP: 002b:00007ffcc14bfee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4749 16:21:56.300185  <4>[   36.008778] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe043633473

 4750 16:21:56.310584  <4>[   36.017040] RDX: 0000000000000016 RSI: 00007fe043527000 RDI: 0000000000000001

 4751 16:21:56.317081  <4>[   36.025303] RBP: 00007fe043527000 R08: 00007fe043526010 R09: 0000000000000000

 4752 16:21:56.326969  <4>[   36.033566] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4753 16:21:56.333542  <4>[   36.041830] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4754 16:21:56.336791  <4>[   36.050099] irq event stamp: 0

 4755 16:21:56.339891  reed memory

 4756 16:21:56.353606  # [   27.536419] lkdtm: Buddy page was not poisoned<4>[   36.053825] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4757 16:21:56.353990  

 4758 16:21:56.356369  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 4759 16:21:56.366386  not ok<4>[   36.067343] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4760 16:21:56.376210  <4>[   36.082974] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4761 16:21:56.382832  <4>[   36.092402] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4762 16:21:56.389589  <4>[   36.099694] ---[ end trace 2116846283a514a7 ]---

 4763 16:21:56.396041  <6>[   36.105139] lkdtm: Overflow detected: saturated

 4764 16:21:56.399195   22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 4765 16:21:56.405996  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 4766 16:21:56.409253  # [   27.620236] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 4767 16:21:56.415802  # [   27.628994] lkdtm: Attempting double slab free ...

 4768 16:21:56.422475  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]

 4769 16:21:56.425790  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 4770 16:21:56.432399  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 4771 16:21:56.435586  # [   27.712775] lkdtm: Performing direct entry SLAB_FREE_CROSS

 4772 16:21:56.442164  # [   27.721875] lkdtm: Attempting cross-cache slab free ...

 4773 16:21:56.448438  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 4774 16:21:56.451946  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 4775 16:21:56.458273  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 4776 16:21:56.465010  # [   27.805463] lkdtm: Performing direct entry SLAB_FREE_PAGE

 4777 16:21:56.468068  # [   27.815121] lkdtm: Attempting non-Slab slab free ...

 4778 16:21:56.474742  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 4779 16:21:56.478363  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 4780 16:21:56.481502  # selftests: lkdtm: SOFTLOCKUP.sh

 4781 16:21:56.488038  # Skipping SOFTLOCKUP: Hangs the system

 4782 16:21:56.491237  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 4783 16:21:56.494724  # selftests: lkdtm: HARDLOCKUP.sh

 4784 16:21:56.497699  # Skipping HARDLOCKUP: Hangs the system

 4785 16:21:56.507796  ok 27 selftests: lk<6>[   36.213028] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 4786 16:21:56.510889  dtm: HARDLOCKUP.sh # SKIP

 4787 16:21:56.518554  # selftests: lkdtm: SPINLOCKUP.sh

 4788 16:21:56.521114  # <6>[   36.223207] lkdtm: attempting good refcount_add() without overflow

 4789 16:21:56.524420  Skipping SPINLOCKUP: Hangs the system

 4790 16:21:56.534178  ok 28 selftests: lkdtm: S<6>[   36.236639] lkdtm: attempting bad refcount_add() overflow

 4791 16:21:56.534700  PINLOCKUP.sh # SKIP

 4792 16:21:56.537506  # selftests: lkdtm: HUNG_TASK.sh

 4793 16:21:56.544069  # Skippin<4>[   36.249167] ------------[ cut here ]------------

 4794 16:21:56.547202  g HUNG_TASK: Hangs the system

 4795 16:21:56.557686  ok 29 selftests: lkdtm: HUNG_TASK<4>[   36.260871] refcount_t: saturated; leaking memory.

 4796 16:21:56.558222  .sh # SKIP

 4797 16:21:56.560362  # selftests: lkdtm: EXEC_DATA.sh

 4798 16:21:56.563878  # Killed

 4799 16:21:56.573515  # [   28<4>[   36.272712] WARNING: CPU: 0 PID: 2046 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 4800 16:21:56.576919  .012241] lkdtm: Performing direct entry EXEC_DATA

 4801 16:21:56.632371  # [   28.0194<4>[   36.288678] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4802 16:21:56.635524  95] lkdtm: attempting ok execution at ffffffff9977b980

 4803 16:21:56.645779  # [   28<4>[   36.347631] CPU: 0 PID: 2046 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4804 16:21:56.652471  .032514] lkdtm: attempting bad execution at ffffffff9c831d00

 4805 16:21:56.659120  # <4>[   36.362811] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4806 16:21:56.671955  [   28.045635] kernel tried to execute NX-protected page - explo<4>[   36.376091] RIP: 0010:refcount_warn_saturate+0x51/0x110

 4807 16:21:56.674999  it attempt? (uid: 0)

 4808 16:21:56.698452  # [   28.060494] BUG: unable to handle pag<4>[   36.388428] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 69 00 17 02 00 75 ee 48 c7 c7 c8 ca cd 9a c6 05 59 00 17 02 01 e8 d1 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd

 4809 16:21:56.705189  e fault for address: ffffffff9c831d00

 4810 16:21:56.711931  # [   28.068455] #PF: sup<4>[   36.415921] RSP: 0018:ffffa5c4028d7e48 EFLAGS: 00010286

 4811 16:21:56.715073  ervisor instruction fetch in kernel mode

 4812 16:21:56.727945  # [   28.075064] #PF: <4>[   36.428254] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 4813 16:21:56.731221  error_code(0x0011) - permissions violation

 4814 16:21:56.740920  # [   28.081575] PGD<4>[   36.442749] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 4815 16:21:56.747825   33c29067 P4D 33c29067 PUD 33c2a063 PMD 80000000354000e3 

 4816 16:21:56.754437  # [  <4>[   36.457223] RBP: ffffffff9ad81ebb R08: 0000000000000000 R09: 0000000000000000

 4817 16:21:56.761385   28.089353] Oops: 0011 [#5] SMP PTI

 4818 16:21:56.771362  # [   28.099749] CPU: 1 PID<4>[   36.471714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 4819 16:21:56.777937  : 1575 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4820 16:21:56.784261  <4>[   36.486185] R13: ffffa5c4028d7f10 R14: ffffa5c4028d7f10 R15: ffff98f0c6652000

 4821 16:21:56.801090  # [   28.108688] Hardware name: Google Rammus/Rammus, BIOS  09/0<4>[   36.500667] FS:  00007f36e0c13580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 4822 16:21:56.801735  4/2020

 4823 16:21:56.807414  # [   28.115786] RIP: 0010:data_area+0x0/0x40

 4824 16:21:56.814262  # [   28.<4>[   36.516219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4825 16:21:56.826988  120455] Code: ff ff 00 45 9a c4 f0 98 ff ff 00 44 9a c4 f0 98 ff<4>[   36.529150] CR2: 00007f36e0a1d000 CR3: 0000000106e0c006 CR4: 00000000003706f0

 4826 16:21:56.837023   ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <4>[   36.543628] Call Trace:

 4827 16:21:56.846970  00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f<4>[   36.552897]  ? __warn+0x80/0x110

 4828 16:21:56.850275   1f 44 00 00 55

 4829 16:21:56.860144  # [   28.147939] RSP: 0018:ffffa5c40214fe48 EFL<4>[   36.562986]  ? refcount_warn_saturate+0x51/0x110

 4830 16:21:56.860567  AGS: 00010246

 4831 16:21:56.870254  # [   28.154066] RAX: 0000000000000033 RBX: 00000<4>[   36.574664]  ? report_bug+0x9e/0xc0

 4832 16:21:56.873703  00000000001 RCX: 0000000000000000

 4833 16:21:56.880276  # [   28.162337] RDX: 0000000<4>[   36.585054]  ? handle_bug+0x41/0x90

 4834 16:21:56.883509  000000000 RSI: ffff98f13ac9bf50 RDI: ffff98f13ac9bf50

 4835 16:21:56.890534  # [   28.<4>[   36.595461]  ? exc_invalid_op+0x14/0x70

 4836 16:21:56.903301  170595] RBP: ffffffff9c831d00 R08: 0000000000000000 R09: 0000000<4>[   36.606245]  ? asm_exc_invalid_op+0x12/0x20

 4837 16:21:56.903934  000000000

 4838 16:21:56.913084  # [   28.178855] R10: 00000000ffffe000 R11: 3ffffffff<4>[   36.617437]  ? refcount_warn_saturate+0x51/0x110

 4839 16:21:56.916188  fffffff R12: 000000000000000a

 4840 16:21:56.926277  # [   28.187106] R13: ffffa5c4021<4>[   36.629092]  ? refcount_warn_saturate+0x51/0x110

 4841 16:21:56.929746  4ff10 R14: ffffa5c40214ff10 R15: ffff98f0c6e54000

 4842 16:21:56.936380  # [   28.1953<4>[   36.640764]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 4843 16:21:56.945971  81] FS:  00007f86c5ffc580(0000) GS:ffff98f13ac80000(0000) knlGS:<4>[   36.652616]  direct_entry.cold+0x2c/0x38

 4844 16:21:56.949573  0000000000000000

 4845 16:21:56.959432  # [   28.204709] CS:  0010 DS: 0000 ES: 0000 C<4>[   36.663546]  full_proxy_write+0x53/0x80

 4846 16:21:56.960078  R0: 0000000080050033

 4847 16:21:56.969554  # [   28.211416] CR2: ffffffff9c831d00 CR3<4>[   36.674313]  vfs_write+0xe7/0x3b0

 4848 16:21:56.972570  : 0000000104954001 CR4: 00000000003706e0

 4849 16:21:56.978835  # [   28.219675] Call <4>[   36.684514]  ksys_write+0x68/0xf0

 4850 16:21:56.979257  Trace:

 4851 16:21:56.985411  # [   28.222696]  ? __die_body.cold+0x1a/0x1f

 4852 16:21:56.988861  # [   28.<4>[   36.694714]  do_syscall_64+0x30/0x40

 4853 16:21:56.992496  227384]  ? no_context+0x177/0x380

 4854 16:21:57.002341  # [   28.237975]  ? exc_page_<4>[   36.705226]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4855 16:21:57.002829  fault+0xd7/0x170

 4856 16:21:57.012209  # [   28.242645]  ? asm_exc_page_fault+0x1e/0x<4>[   36.717360] RIP: 0033:0x7f36e0b29473

 4857 16:21:57.012633  30

 4858 16:21:57.018679  # [   28.253819]  ? execute_location+0x45/0x56

 4859 16:21:57.038943  # [   28.264<4>[   36.727856] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4860 16:21:57.041658  798]  ? direct_entry.cold+0x2c/0x38

 4861 16:21:57.055347  # [   28.269660]  ? full_pr<4>[   36.755347] RSP: 002b:00007ffcebb57368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4862 16:21:57.061470  <4>[   36.770294] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f36e0b29473

 4863 16:21:57.064782  oxy_write+0x53/0x80

 4864 16:21:57.067909  # [   28.274429]  ? vfs_write+0xe7/0x3b0

 4865 16:21:57.077926  #<4>[   36.778568] RDX: 0000000000000016 RSI: 00007f36e0a1d000 RDI: 0000000000000001

 4866 16:21:57.081548   [   28.284820]  ? ksys_write+0x68/0xf0

 4867 16:21:57.091311  # [   28.289004]  ? do_<4>[   36.793057] RBP: 00007f36e0a1d000 R08: 00007f36e0a1c010 R09: 0000000000000000

 4868 16:21:57.094359  syscall_64+0x30/0x40

 4869 16:21:57.107810  # [   28.293478]  ? entry_SYSCALL_64_after<4>[   36.807531] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4870 16:21:57.108321  _hwframe+0x62/0xc7

 4871 16:21:57.121320  # [   28.299594] Modules linked in: fuse ip_<4>[   36.822019] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4872 16:21:57.131098  tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensor<4>[   36.836520] irq event stamp: 0

 4873 16:21:57.144586  s_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2<4>[   36.846433] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4874 16:21:57.160508  _memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cro<4>[   36.859929] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4875 16:21:57.177114  s_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_<4>[   36.875574] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4876 16:21:57.190274  lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_u<4>[   36.891262] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4877 16:21:57.199613  sbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec<4>[   36.904789] ---[ end trace 2116846283a514a8 ]---

 4878 16:21:57.213184  _dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chrom<6>[   36.916456] lkdtm: Overflow detected: saturated

 4879 16:21:57.216235  eos_pstore cros_kbd_led_backlight coreboot_table

 4880 16:21:57.219962  # [   28.358544] CR2: ffffffff9c831d00

 4881 16:21:57.226056  # [   28.362536] ---[ end trace 2116846283a5149b ]---

 4882 16:21:57.229437  # [   28.367982] RIP: 0010:lkdtm_BUG+0x5/0x10

 4883 16:21:57.252669  # [   28.372651] Code: 89 ff e8 1e dc 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 00 67 0b 03

 4884 16:21:57.259320  # [   28.393913] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 4885 16:21:57.265949  # [   28.400028] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 4886 16:21:57.275944  # [   28.408288] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 4887 16:21:57.281919  # [   28.416546] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 4888 16:21:57.292304  # [   28.424805] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4889 16:21:57.298879  # [   28.433065] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 4890 16:21:57.308373  # [   28.441335] FS:  00007f86c5ffc580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000

 4891 16:21:57.314949  # [   28.450653] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4892 16:21:57.322133  # [   28.457373] CR2: ffffffff9c831d00 CR3: 0000000104954001 CR4: 00000000003706e0

 4893 16:21:57.331629  # [   28.4656<6>[   37.036079] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 4894 16:21:57.345084  42] BUG: sleeping function called from invalid context at includ<6>[   37.047805] lkdtm: attempting bad refcount_inc_not_zero() overflow

 4895 16:21:57.348185  e/linux/percpu-rwsem.h:49

 4896 16:21:57.357985  # [   28.482055] in_atomic(): 0, irqs<4>[   37.061211] ------------[ cut here ]------------

 4897 16:21:57.361281  _disabled(): 1, non_block: 0, pid: 1575, name: cat

 4898 16:21:57.368139  # [   28.490<4>[   37.072869] refcount_t: saturated; leaking memory.

 4899 16:21:57.371145  800] INFO: lockdep is turned off.

 4900 16:21:57.384668  # [   28.495465] irq event st<4>[   37.084731] WARNING: CPU: 0 PID: 2079 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 4901 16:21:57.385114  amp: 0

 4902 16:21:57.443722  # [   28.499160] hardirqs last  enabled at (0): [<000000<4>[   37.100660] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4903 16:21:57.447554  0000000000>] 0x0

 4904 16:21:57.460684  # [   28.506450] hardirqs last disabled at (0)<4>[   37.159649] CPU: 0 PID: 2079 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 4905 16:21:57.464008  : [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4906 16:21:57.473617  # [   28.51587<4>[   37.174824] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4907 16:21:57.483109  5] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_proc<4>[   37.188191] RIP: 0010:refcount_warn_saturate+0x97/0x110

 4908 16:21:57.486859  ess+0x65c/0x20e0

 4909 16:21:57.512835  # [   28.525301] softirqs last disabled at (0)<4>[   37.200497] Code: 02 01 e8 ae e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd 9a c6 05 14 00 17 02 01 e8 8b e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd

 4910 16:21:57.516262  : [<0000000000000000>] 0x0

 4911 16:21:57.522984  # [   28.532590] CPU: 1 PID: 1575 Co<4>[   37.228026] RSP: 0018:ffffa5c40295fe38 EFLAGS: 00010282

 4912 16:21:57.529565  mm: cat Tainted: G      D W         5.10.199-cip39 #1

 4913 16:21:57.539439  # [   28.<4>[   37.240363] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 4914 16:21:57.545956  541530] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4915 16:21:57.552423  #<4>[   37.254835] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 4916 16:21:57.555935   [   28.548623] Call Trace:

 4917 16:21:57.568857  # [   28.551644]  dump_stack+0x77/0<4>[   37.269296] RBP: ffffffff9ad81af8 R08: 0000000000000000 R09: 0000000000000000

 4918 16:21:57.569470  x9b

 4919 16:21:57.572526  # [   28.555635]  ___might_sleep.cold+0xa6/0xb6

 4920 16:21:57.582361  # [   28.5<4>[   37.283772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 4921 16:21:57.585753  66709]  exit_signals+0x1c/0x300

 4922 16:21:57.595173  # [   28.570990]  do_exit+0xc2/<4>[   37.298249] R13: ffffa5c40295ff10 R14: ffffa5c40295ff10 R15: ffff98f0c2e2f000

 4923 16:21:57.598664  0xab0

 4924 16:21:57.601995  # [   28.580994]  ? ksys_write+0x68/0xf0

 4925 16:21:57.611726  # [   28.585169<4>[   37.312740] FS:  00007f15833d4580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 4926 16:21:57.615200  ]  make_task_dead+0x2f/0x30

 4927 16:21:57.625105  # [   28.589546]  rewind_stack_and_<4>[   37.328305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4928 16:21:57.628454  make_dead+0x17/0x20

 4929 16:21:57.631758  # [   28.595087] RIP: 0033:0x7f86c5f12473

 4930 16:21:57.638563  <4>[   37.341260] CR2: 00007f15831de000 CR3: 0000000104866004 CR4: 00000000003706f0

 4931 16:21:57.648394  # [   28.599381] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0<4>[   37.355718] Call Trace:

 4932 16:21:57.658351   ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 <4>[   37.364966]  ? __warn+0x80/0x110

 4933 16:21:57.671384  b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48<4>[   37.375069]  ? refcount_warn_saturate+0x97/0x110

 4934 16:21:57.674560   83 ec 28 48 89 54 24 18

 4935 16:21:57.681269  # [   28.620651] RSP: 002b:00007fff936<4>[   37.386745]  ? report_bug+0x9e/0xc0

 4936 16:21:57.687691  217d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4937 16:21:57.690627  # [   28.6293<4>[   37.397137]  ? handle_bug+0x41/0x90

 4938 16:21:57.704324  88] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f86c5f<4>[   37.407546]  ? exc_invalid_op+0x14/0x70

 4939 16:21:57.704760  12473

 4940 16:21:57.714111  # [   28.637647] RDX: 000000000000000a RSI: 00007f86c5e06<4>[   37.418347]  ? asm_exc_invalid_op+0x12/0x20

 4941 16:21:57.717170  000 RDI: 0000000000000001

 4942 16:21:57.723897  # [   28.645905] RBP: 00007f86c5e0600<4>[   37.429524]  ? refcount_warn_saturate+0x97/0x110

 4943 16:21:57.730553  0 R08: 00007f86c5e05010 R09: 0000000000000000

 4944 16:21:57.736826  # [   28.654164] <4>[   37.441177]  ? refcount_warn_saturate+0x97/0x110

 4945 16:21:57.750352  R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000000<4>[   37.452847]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 4946 16:21:57.750791  1

 4947 16:21:57.763401  # [   28.662423] R13: 0000000000000001 R14: 0000000000020000 <4>[   37.465469]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 4948 16:21:57.763900  R15: 0000000000020000

 4949 16:21:57.766679  # EXEC_DATA: saw 'call trace:': ok

 4950 16:21:57.773431  ok 30<4>[   37.478208]  direct_entry.cold+0x2c/0x38

 4951 16:21:57.776738   selftests: lkdtm: EXEC_DATA.sh

 4952 16:21:57.783295  # selftests: lkdtm: EXEC_STACK.<4>[   37.489094]  full_proxy_write+0x53/0x80

 4953 16:21:57.783815  sh

 4954 16:21:57.786592  # Killed

 4955 16:21:57.793221  # [   28.752906] lkdtm: Performing direct entry EX<4>[   37.499890]  vfs_write+0xe7/0x3b0

 4956 16:21:57.797016  EC_STACK

 4957 16:21:57.803203  # [   28.763632] lkdtm: attempting ok execution at fff<4>[   37.510088]  ksys_write+0x68/0xf0

 4958 16:21:57.806471  fffff9977b980

 4959 16:21:57.816477  # [   28.770471] lkdtm: attempting bad execution <4>[   37.520299]  do_syscall_64+0x30/0x40

 4960 16:21:57.817027  at ffffa5c4021f7e18

 4961 16:21:57.826051  # [   28.777411] kernel tried to execute NX<4>[   37.530794]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4962 16:21:57.832708  -protected page - exploit attempt? (uid: 0)

 4963 16:21:57.836502  # [   28.786068] BU<4>[   37.542979] RIP: 0033:0x7f15832ea473

 4964 16:21:57.842699  G: unable to handle page fault for address: ffffa5c4021f7e18

 4965 16:21:57.865777  # <4>[   37.553479] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4966 16:21:57.872248  [   28.800252] #PF: supervisor instruction fetch in kernel mode

 4967 16:21:57.878853  <4>[   37.580970] RSP: 002b:00007ffd2a66ce38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4968 16:21:57.879434  

 4969 16:21:57.895694  # [   28.806861] #PF: error_code(0x0011) - permissions violatio<4>[   37.595937] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f15832ea473

 4970 16:21:57.896273  n

 4971 16:21:57.908313  # [   28.813376] PGD 100000067 P4D 100000067 PUD 100244067 PM<4>[   37.610487] RDX: 000000000000001f RSI: 00007f15831de000 RDI: 0000000000000001

 4972 16:21:57.911599  D 102cde067 PTE 8000000104847063

 4973 16:21:57.925045  # [   28.822709] Oops: 0011 [#<4>[   37.624941] RBP: 00007f15831de000 R08: 00007f15831dd010 R09: 0000000000000000

 4974 16:21:57.925491  6] SMP PTI

 4975 16:21:57.938297  # [   28.826882] CPU: 2 PID: 1612 Comm: cat Tainted:<4>[   37.639424] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4976 16:21:57.941161   G      D W         5.10.199-cip39 #1

 4977 16:21:57.951430  # [   28.835811] Hardware<4>[   37.653927] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4978 16:21:57.957639   name: Google Rammus/Rammus, BIOS  09/04/2020

 4979 16:21:57.960976  # [   28.842906] <4>[   37.668381] irq event stamp: 0

 4980 16:21:57.964250  RIP: 0010:0xffffa5c4021f7e18

 4981 16:21:57.974106  # [   28.847565] Code: 00 00 18 7e<4>[   37.678290] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4982 16:21:57.991111   1f 02 c4 a5 ff ff 43 e6 e5 99 ff ff ff ff 20 00 00 00 00 00 00 <4>[   37.691806] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4983 16:21:58.007175  00 16 1e d8 9a ff ff ff ff 72 e7 e5 99 ff ff ff ff <0f> 1f 44 00<4>[   37.707509] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 4984 16:21:58.014299   00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4985 16:21:58.020801  # [   28<4>[   37.723138] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4986 16:21:58.027136  .868837] RSP: 0018:ffffa5c4021f7df8 EFLAGS: 00010246

 4987 16:21:58.033713  # [   28.8<4>[   37.736643] ---[ end trace 2116846283a514a9 ]---

 4988 16:21:58.043533  74960] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 00000000<6>[   37.748313] lkdtm: Overflow detected: saturated

 4989 16:21:58.044010  00000000

 4990 16:21:58.052920  # [   28.883220] RDX: 0000000000000000 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50

 4991 16:21:58.059885  # [   28.891479] RBP: ffffa5c4021f7e18 R08: 0000000000000000 R09: 0000000000000000

 4992 16:21:58.069795  # [   28.899738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4993 16:21:58.076144  # [   28.907997] R13: ffffa5c4021f7f10 R14: ffffa5c4021f7f10 R15: ffff98f0c2b51000

 4994 16:21:58.085988  # [   28.916258] FS:  00007fd6b9d27580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000

 4995 16:21:58.092572  # [   28.925584] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4996 16:21:58.103119  # [   28.932291] CR2: ffffa5c4021f7e18 CR3: 0000000104898004 CR4: 00000000003706e0

 4997 16:21:58.103420  # [   28.940551] Call Trace:

 4998 16:21:58.109230  # [   28.943572]  ? __die_body.cold+0x1a/0x1f

 4999 16:21:58.112637  # [   28.948240]  ? no_context+0x177/0x380

 5000 16:21:58.119288  # [   28.952619]  ? exc_page_fault+0xd7/0x170

 5001 16:21:58.122689  # [   28.957287]  ? asm_exc_page_fault+0x1e/0x30

 5002 16:21:58.125971  # [   28.962242]  ? execute_location+0x45/0x56

 5003 16:21:58.132439  # [   28.967006]  ? lkdtm_EXEC_STACK+0x26/0x44

 5004 16:21:58.136260  # [   28.971773]  ? direct_entry.cold+0x2c/0x38

 5005 16:21:58.142353  # [   28.976635]  ? full_proxy_write+0x53/0x80

 5006 16:21:58.145657  # [   28.981393]  ? vfs_write+0xe7/0x3b0

 5007 16:21:58.148763  # [   28.985575]  ? ksys_write+0x68/0xf0

 5008 16:21:58.158743  <6>[   37.863018] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 5009 16:21:58.165492  <6>[   37.873434] lkdtm: attempting bad refcount_add_not_zero() overflow

 5010 16:21:58.168721  # [   28.989749]  ? do_syscall_64+0x30/0x40

 5011 16:21:58.175557  # [   28.994221]  ?<4>[   37.880641] ------------[ cut here ]------------

 5012 16:21:58.181768  <4>[   37.892298] refcount_t: saturated; leaking memory.

 5013 16:21:58.192009  <4>[   37.897999] WARNING: CPU: 2 PID: 2112 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5014 16:21:58.195180   entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5015 16:21:58.251145  # [   29.000348] Modu<4>[   37.907723] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5016 16:21:58.261148  <4>[   37.966699] CPU: 2 PID: 2112 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5017 16:21:58.274656  les linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors <4>[   37.975654] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5018 16:21:58.277948  <4>[   37.988961] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5019 16:21:58.300875  <4>[   37.995088] Code: 02 01 e8 ae e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd 9a c6 05 14 00 17 02 01 e8 8b e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd

 5020 16:21:58.307412  <4>[   38.016379] RSP: 0018:ffffa5c4029dfe38 EFLAGS: 00010282

 5021 16:21:58.313701  <4>[   38.022540] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5022 16:21:58.323709  <4>[   38.030803] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50

 5023 16:21:58.329895  <4>[   38.039064] RBP: ffffffff9ad81b18 R08: 0000000000000000 R09: 0000000000000000

 5024 16:21:58.339876  <4>[   38.047338] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5025 16:21:58.353533  uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_tri<4>[   38.055602] R13: ffffa5c4029dff10 R14: ffffa5c4029dff10 R15: ffff98f0c6e46000

 5026 16:21:58.363361  <4>[   38.070076] FS:  00007f7646c73580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000

 5027 16:21:58.369967  <4>[   38.079405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5028 16:21:58.379601  <4>[   38.086115] CR2: 00007f7646a7d000 CR3: 0000000102ba6006 CR4: 00000000003706e0

 5029 16:21:58.383250  <4>[   38.094383] Call Trace:

 5030 16:21:58.386216  <4>[   38.097405]  ? __warn+0x80/0x110

 5031 16:21:58.389468  <4>[   38.101340]  ? refcount_warn_saturate+0x97/0x110

 5032 16:21:58.402521  ggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industri<4>[   38.106789]  ? report_bug+0x9e/0xc0

 5033 16:21:58.406399  <4>[   38.117186]  ? handle_bug+0x41/0x90

 5034 16:21:58.409583  <4>[   38.121394]  ? exc_invalid_op+0x14/0x70

 5035 16:21:58.415739  <4>[   38.125967]  ? asm_exc_invalid_op+0x12/0x20

 5036 16:21:58.419560  <4>[   38.130933]  ? refcount_warn_saturate+0x97/0x110

 5037 16:21:58.426028  <4>[   38.136410]  ? refcount_warn_saturate+0x97/0x110

 5038 16:21:58.432737  <4>[   38.141858]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5039 16:21:58.439102  <4>[   38.148276]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 5040 16:21:58.442533  <4>[   38.154793]  direct_entry.cold+0x2c/0x38

 5041 16:21:58.449001  <4>[   38.159466]  full_proxy_write+0x53/0x80

 5042 16:21:58.452356  <4>[   38.164042]  vfs_write+0xe7/0x3b0

 5043 16:21:58.455373  <4>[   38.168034]  ksys_write+0x68/0xf0

 5044 16:21:58.459006  <4>[   38.172026]  do_syscall_64+0x30/0x40

 5045 16:21:58.465605  <4>[   38.176307]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5046 16:21:58.472144  <4>[   38.182264] RIP: 0033:0x7f7646b89473

 5047 16:21:58.491894  <4>[   38.186546] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5048 16:21:58.501683  <4>[   38.207821] RSP: 002b:00007fff776815e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5049 16:21:58.508434  <4>[   38.216569] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7646b89473

 5050 16:21:58.518697  <4>[   38.224832] RDX: 000000000000001f RSI: 00007f7646a7d000 RDI: 0000000000000001

 5051 16:21:58.525035  <4>[   38.233095] RBP: 00007f7646a7d000 R08: 00007f7646a7c010 R09: 0000000000000000

 5052 16:21:58.534828  <4>[   38.241371] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5053 16:21:58.541711  <4>[   38.249666] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5054 16:21:58.544311  <4>[   38.257932] irq event stamp: 0

 5055 16:21:58.554557  <4>[   38.261636] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5056 16:21:58.567552  alio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core c<4>[   38.268933] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5057 16:21:58.577920  <4>[   38.284575] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5058 16:21:58.584488  <4>[   38.294005] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5059 16:21:58.590278  <4>[   38.301298] ---[ end trace 2116846283a514aa ]---

 5060 16:21:58.603841  ros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress s<6>[   38.306746] lkdtm: Overflow detected: saturated

 5061 16:21:58.619975  nd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5062 16:21:58.627074  # [   29.053146] CR2: ffffa5c4021f7e18

 5063 16:21:58.630098  # [   29.063345] ---[ end trace 2116846283a5149c ]---

 5064 16:21:58.636428  # [   29.068783] RIP: 0010:lkdtm_BUG+0x5/0x10

 5065 16:21:58.656519  # [   29.073451] Code: 89 ff e8 1e dc 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 00 67 0b 03

 5066 16:21:58.662976  # [   29.094715] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 5067 16:21:58.669518  # [   29.100839] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 5068 16:21:58.679486  # [   29.109098] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 5069 16:21:58.685772  # [   29.117360] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 5070 16:21:58.696082  # [   29.125620] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5071 16:21:58.709482  # [   29.133880] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15:<6>[   38.416439] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 5072 16:21:58.712716  <6>[   38.424401] lkdtm: attempting good refcount_dec()

 5073 16:21:58.718966  <6>[   38.429978] lkdtm: attempting bad refcount_dec() to zero

 5074 16:21:58.725385  <4>[   38.436206] ------------[ cut here ]------------

 5075 16:21:58.731934  <4>[   38.441677] refcount_t: decrement hit 0; leaking memory.

 5076 16:21:58.742039  <4>[   38.447931] WARNING: CPU: 2 PID: 2145 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5077 16:21:58.742126   ffff98f0c6d8f000

 5078 16:21:58.801653  # [   29.142141] FS:  00007fd6b9d27580(0000) <4>[   38.457656] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5079 16:21:58.807946  <4>[   38.516617] CPU: 2 PID: 2145 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5080 16:21:58.818449  <4>[   38.525588] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5081 16:21:58.821141  <4>[   38.532688] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5082 16:21:58.843972  <4>[   38.538817] Code: 78 cb cd 9a c6 05 c5 ff 16 02 01 e8 41 e6 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 48 cb cd 9a c6 05 ac ff 16 02 01 e8 27 e6 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5083 16:21:58.851043  <4>[   38.560119] RSP: 0018:ffffa5c402a37e48 EFLAGS: 00010286

 5084 16:21:58.857760  <4>[   38.566251] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 5085 16:21:58.867485  <4>[   38.574546] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50

 5086 16:21:58.875019  <4>[   38.582811] RBP: ffffffff9ad81ed1 R08: 0000000000000000 R09: 0000000000000000

 5087 16:21:58.884274  <4>[   38.591075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5088 16:21:58.887679  GS:ffff98f13ad00000(0000) knlGS:0000000000000000

 5089 16:21:58.897585  # [   29.15146<4>[   38.599341] R13: ffffa5c402a37f10 R14: ffffa5c402a37f10 R15: ffff98f0c2e2e000

 5090 16:21:58.906883  <4>[   38.613828] FS:  00007f7e4bcd3580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000

 5091 16:21:58.913719  <4>[   38.623195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5092 16:21:58.923176  <4>[   38.629929] CR2: 00007f7e4badd000 CR3: 0000000102ab0001 CR4: 00000000003706e0

 5093 16:21:58.926599  <4>[   38.638194] Call Trace:

 5094 16:21:58.930233  <4>[   38.641218]  ? __warn+0x80/0x110

 5095 16:21:58.933520  <4>[   38.645144]  ? refcount_warn_saturate+0xfb/0x110

 5096 16:21:58.939712  <4>[   38.650592]  ? report_bug+0x9e/0xc0

 5097 16:21:58.943306  <4>[   38.654804]  ? handle_bug+0x41/0x90

 5098 16:21:58.946481  <4>[   38.659011]  ? exc_invalid_op+0x14/0x70

 5099 16:21:58.952976  <4>[   38.663586]  ? asm_exc_invalid_op+0x12/0x20

 5100 16:21:58.960147  <4>[   38.668552]  ? refcount_warn_saturate+0xfb/0x110

 5101 16:21:58.962734  8] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5102 16:21:58.969493  # [   29.1<4>[   38.674025]  ? refcount_warn_saturate+0xfb/0x110

 5103 16:21:58.976506  <4>[   38.685681]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 5104 16:21:58.979767  <4>[   38.690935]  direct_entry.cold+0x2c/0x38

 5105 16:21:58.982735  <4>[   38.695608]  full_proxy_write+0x53/0x80

 5106 16:21:58.989351  <4>[   38.700183]  vfs_write+0xe7/0x3b0

 5107 16:21:58.992519  <4>[   38.704199]  ksys_write+0x68/0xf0

 5108 16:21:58.995900  <4>[   38.708192]  do_syscall_64+0x30/0x40

 5109 16:21:59.002577  <4>[   38.712474]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5110 16:21:59.005842  <4>[   38.718407] RIP: 0033:0x7f7e4bbe9473

 5111 16:21:59.028709  <4>[   38.722691] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5112 16:21:59.035298  <4>[   38.743967] RSP: 002b:00007ffd5673c0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5113 16:21:59.045690  <4>[   38.752717] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7e4bbe9473

 5114 16:21:59.052147  <4>[   38.760981] RDX: 0000000000000012 RSI: 00007f7e4badd000 RDI: 0000000000000001

 5115 16:21:59.062223  <4>[   38.769243] RBP: 00007f7e4badd000 R08: 00007f7e4badc010 R09: 0000000000000000

 5116 16:21:59.068395  <4>[   38.777507] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5117 16:21:59.078666  <4>[   38.785772] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5118 16:21:59.081893  <4>[   38.794039] irq event stamp: 0

 5119 16:21:59.088366  <4>[   38.797759] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5120 16:21:59.098458  <4>[   38.805052] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5121 16:21:59.107822  <4>[   38.814482] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5122 16:21:59.114552  <4>[   38.823911] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5123 16:21:59.121222  <4>[   38.831207] ---[ end trace 2116846283a514ab ]---

 5124 16:21:59.123926  <6>[   38.836653] lkdtm: Zero detected: saturated

 5125 16:21:59.134071  58174] CR2: ffffa5c4021f7e18 CR3: 0000000104898004 CR4: 00000000003706e0

 5126 16:21:59.137148  # EXEC_STACK: saw 'call trace:': ok

 5127 16:21:59.140998  ok 31 selftests: lkdtm: EXEC_STACK.sh

 5128 16:21:59.144122  # selftests: lkdtm: EXEC_KMALLOC.sh

 5129 16:21:59.144243  # Killed

 5130 16:21:59.150576  # [   29.247047] lkdtm: Performing direct entry EXEC_KMALLOC

 5131 16:21:59.156794  # [   29.253401] lkdtm: attempting ok execution at ffffffff9977b980

 5132 16:21:59.163800  # [   29.260240] lkdtm: attempting bad execution at ffff98f0c382fc80

 5133 16:21:59.173633  # [   29.267147] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 5134 16:21:59.179771  # [   29.275826] BUG: unable to handle page fault for address: ffff98f0c382fc80

 5135 16:21:59.186743  # [   29.283786] #PF: supervisor instruction fetch in kernel mode

 5136 16:21:59.193039  # [   29.290396] #PF: error_code(0x0011) - permissions violation

 5137 16:21:59.202858  # [   29.296908] PGD 35601067 P4D 35601067 PUD 100874063 PMD 106656063 PTE 800000010382f063

 5138 16:21:59.206664  # [   29.306045] Oops: 0011 [#7] SMP PTI

 5139 16:21:59.216153  # [   29.310227] CPU: 3 PID: 1649 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5140 16:21:59.222845  # [   29.319157] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5141 16:21:59.229624  # [   29.326252] RIP: 0010:0xffff98f0c382fc80

 5142 16:21:59.249326  # [   29.330919] Code: ff ff 00 10 00 00 00 00 00 00 00 f3 82 c3 f0 98 ff ff 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 eb f2 cf 98 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

 5143 16:21:59.256124  # [   29.352191] RSP: 0018:ffffa5c402277e38 EFLAGS: 00010246

 5144 16:21:59.266007  # [   29.358335] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 5145 16:21:59.272945  # [   29.366594] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50

 5146 16:21:59.282265  # [   29.374853] RBP: ffff98f0c382fc80 R08: 0000000000000000 R09: 0000000000000000

 5147 16:21:59.289275  # [   29.383112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 5148 16:21:59.298487  # [   29.391391] R13: ffffa5c402277f10 R14: ffffa5c402277f10 R15: ffff98f0c2b6c000

 5149 16:21:59.308388  # [   29.399652] FS:  00007fc43e379580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 5150 16:21:59.315118  # [   29.408979] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5151 16:21:59.325009  # [   29.415684] CR2: ffff98f0c382fc80 CR3: 0000000106e4a001 CR4: 00000000003706e0

 5152 16:21:59.325466  # [   29.423942] Call Trace:

 5153 16:21:59.331751  # [   29.426961]  ? __die_body.cold+0x1a/0x1f

 5154 16:21:59.334980  # [   29.431630]  ? no_context+0x177/0x380

 5155 16:21:59.340965  # [   29.436009]  ? exc_page_fault+0xd7/0x170

 5156 16:21:59.344221  # [   29.440677]  ? asm_exc_page_fault+0x1e/0x30

 5157 16:21:59.351236  # [   29.445641]  ? execute_location+0x45/0x56

 5158 16:21:59.354575  # [   29.450408]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 5159 16:21:59.360923  # [   29.455387]  ? direct_entry.cold+0x2c/0x38

 5160 16:21:59.364169  # [   29.460249]  ? full_proxy_write+0x53/0x80

 5161 16:21:59.370599  # [   29.465005]  ? vfs_write+0xe7/0x3b0

 5162 16:21:59.373800  # [   29.469186]  ? ksys_write+0x68/0xf0

 5163 16:21:59.376976  # [   29.473370]  ? do_syscall_64+0x30/0x40

 5164 16:21:59.383985  # [   29.477843]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5165 16:21:59.439785  # [   29.483968] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5166 16:21:59.443012  # [   29.542953] CR2: ffff98f0c382fc80

 5167 16:21:59.449123  # [   29.546939] ---[ end trace 2116846283a5149d ]---

 5168 16:21:59.452333  # [   29.552400] RIP: 0010:lkdtm_BUG+0x5/0x10

 5169 16:21:59.472526  # [   29.557066] Code: 89 ff e8 1e dc 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 00 67 0b 03

 5170 16:21:59.479095  # [   29.578339] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 5171 16:21:59.488977  # [   29.584463] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 5172 16:21:59.495598  # [   29.592723] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 5173 16:21:59.505145  # [   29.600982] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 5174 16:21:59.511700  # [   29.609241] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5175 16:21:59.521908  # [   29.617501] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 5176 16:21:59.528489  # [   29.625759] FS:  00007fc43e379580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 5177 16:21:59.534976  # [   29.635088] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5178 16:21:59.544814  # [   29.641792] CR2: ffff98f0c382fc80 CR3: 0000000106e4a001 CR4: 00000000003706e0

 5179 16:21:59.554324  # [   29.650054] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5180 16:21:59.564743  # [   29.660247] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1649, name: cat

 5181 16:21:59.567469  # [   29.668992] INFO: lockdep is turned off.

 5182 16:21:59.577954  # [   29.6736<6>[   39.284623] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 5183 16:21:59.583951  <6>[   39.292182] lkdtm: attempting bad refcount_dec() below zero

 5184 16:21:59.587705  <4>[   39.298720] ------------[ cut here ]------------

 5185 16:21:59.594251  <4>[   39.304185] refcount_t: decrement hit 0; leaking memory.

 5186 16:21:59.604288  <4>[   39.310447] WARNING: CPU: 3 PID: 2181 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5187 16:21:59.606882  58] irq event stamp: 0

 5188 16:21:59.663146  # [   29.677355] hardirqs last  enabled <4>[   39.320177] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5189 16:21:59.672787  <4>[   39.379126] CPU: 3 PID: 2181 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5190 16:21:59.679573  <4>[   39.388104] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5191 16:21:59.686322  <4>[   39.395233] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5192 16:21:59.705993  <4>[   39.401365] Code: 78 cb cd 9a c6 05 c5 ff 16 02 01 e8 41 e6 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 48 cb cd 9a c6 05 ac ff 16 02 01 e8 27 e6 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5193 16:21:59.712152  <4>[   39.422667] RSP: 0018:ffffa5c402ae7e48 EFLAGS: 00010286

 5194 16:21:59.721973  <4>[   39.428795] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 5195 16:21:59.728474  <4>[   39.437058] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50

 5196 16:21:59.738551  <4>[   39.445342] RBP: ffffffff9ad81ee3 R08: 0000000000000000 R09: 0000000000000000

 5197 16:21:59.741758  at (0): [<0000000000000000>] 0x0

 5198 16:21:59.751884  # [   29.684637] hardirqs last<4>[   39.453612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5199 16:21:59.761945  <4>[   39.468086] R13: ffffa5c402ae7f10 R14: ffffa5c402ae7f10 R15: ffff98f0c2bdb000

 5200 16:21:59.768019  <4>[   39.476351] FS:  00007f62acfa3580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 5201 16:21:59.774885  <4>[   39.485686] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5202 16:21:59.785050  <4>[   39.492398] CR2: 00007f62acdad000 CR3: 0000000102dcc001 CR4: 00000000003706e0

 5203 16:21:59.788242  <4>[   39.500662] Call Trace:

 5204 16:21:59.791547  <4>[   39.503685]  ? __warn+0x80/0x110

 5205 16:21:59.798146  <4>[   39.507613]  ? refcount_warn_saturate+0xfb/0x110

 5206 16:21:59.801518  <4>[   39.513092]  ? report_bug+0x9e/0xc0

 5207 16:21:59.804522  <4>[   39.517330]  ? handle_bug+0x41/0x90

 5208 16:21:59.814248   disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0<4>[   39.521526]  ? exc_invalid_op+0x14/0x70

 5209 16:21:59.820929  <4>[   39.532329]  ? asm_exc_invalid_op+0x12/0x20

 5210 16:21:59.821014  

 5211 16:21:59.834173  # [   29.694054] softirqs last  enabled at (0): [<ffffffff98cf<4>[   39.537309]  ? refcount_warn_saturate+0xfb/0x110

 5212 16:21:59.837362  <4>[   39.548960]  ? refcount_warn_saturate+0xfb/0x110

 5213 16:21:59.844239  <4>[   39.554411]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 5214 16:21:59.847895  <4>[   39.560057]  direct_entry.cold+0x2c/0x38

 5215 16:21:59.854443  <4>[   39.564760]  full_proxy_write+0x53/0x80

 5216 16:21:59.857596  <4>[   39.569361]  vfs_write+0xe7/0x3b0

 5217 16:21:59.860784  <4>[   39.573394]  ksys_write+0x68/0xf0

 5218 16:21:59.863683  <4>[   39.577400]  do_syscall_64+0x30/0x40

 5219 16:21:59.870223  <4>[   39.581713]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5220 16:21:59.877261  <4>[   39.587647] RIP: 0033:0x7f62aceb9473

 5221 16:21:59.896742  <4>[   39.591931] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5222 16:21:59.899985  d6cc>] copy_process+0x65c/0x20e0

 5223 16:21:59.913372  # [   29.703478] softirqs last<4>[   39.613219] RSP: 002b:00007ffe9ade6da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5224 16:21:59.919763  <4>[   39.628178] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f62aceb9473

 5225 16:21:59.929956  <4>[   39.636444] RDX: 0000000000000016 RSI: 00007f62acdad000 RDI: 0000000000000001

 5226 16:21:59.936584  <4>[   39.644708] RBP: 00007f62acdad000 R08: 00007f62acdac010 R09: 0000000000000000

 5227 16:21:59.946489  <4>[   39.652974] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5228 16:21:59.952629  <4>[   39.661237] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5229 16:21:59.956234  <4>[   39.669505] irq event stamp: 0

 5230 16:21:59.962766  <4>[   39.673235] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5231 16:21:59.972598  <4>[   39.680530] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5232 16:21:59.982279  <4>[   39.689960] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5233 16:21:59.989463  <4>[   39.699394] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5234 16:21:59.995607  <4>[   39.706689] ---[ end trace 2116846283a514ac ]---

 5235 16:22:00.002203  <6>[   39.712136] lkdtm: Negative detected: saturated

 5236 16:22:00.005469   disabled at (0): [<0000000000000000>] 0x0

 5237 16:22:00.015420  # [   29.710767] CPU: 3 PID: 1649 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5238 16:22:00.022020  # [   29.719707] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5239 16:22:00.025365  # [   29.726802] Call Trace:

 5240 16:22:00.028620  # [   29.729820]  dump_stack+0x77/0x9b

 5241 16:22:00.032262  # [   29.733810]  ___might_sleep.cold+0xa6/0xb6

 5242 16:22:00.038745  # [   29.738672]  exit_signals+0x1c/0x300

 5243 16:22:00.042055  # [   29.742942]  do_exit+0xc2/0xab0

 5244 16:22:00.045161  # [   29.746735]  ? ksys_write+0x68/0xf0

 5245 16:22:00.048429  # [   29.750918]  make_task_dead+0x2f/0x30

 5246 16:22:00.054915  # [   29.755294]  rewind_stack_and_make_dead+0x17/0x20

 5247 16:22:00.058044  # [   29.760834] RIP: 0033:0x7fc43e28f473

 5248 16:22:00.081638  # [   29.765112] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5249 16:22:00.087844  # [   29.786388] RSP: 002b:00007ffce2892ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5250 16:22:00.098052  # [   29.795135] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fc43e28f473

 5251 16:22:00.104605  # [   29.803394] RDX: 000000000000000d RSI: 00007fc43e183000 RDI: 0000000000000001

 5252 16:22:00.114422  # [   29.811654] RBP: 00007fc43e183000 R08: 00007fc43e182010 R09: 0000000000000000

 5253 16:22:00.127531  # [   29.819913] R10: fffffffffffffbc5 R11: 0000000000000246 R12:<6>[   39.831492] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 5254 16:22:00.134267  <6>[   39.843494] lkdtm: attempting bad refcount_dec_and_test() below zero

 5255 16:22:00.140938  <4>[   39.850891] ------------[ cut here ]------------

 5256 16:22:00.147220  <4>[   39.856374] refcount_t: underflow; use-after-free.

 5257 16:22:00.154192  <4>[   39.862053] WARNING: CPU: 3 PID: 2217 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 5258 16:22:00.157299   0000000000000001

 5259 16:22:00.213243  # [   29.828173] R13: 0000000000000001 R14: 0<4>[   39.871785] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5260 16:22:00.222989  <4>[   39.930742] CPU: 3 PID: 2217 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5261 16:22:00.229769  <4>[   39.939686] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5262 16:22:00.236505  <4>[   39.946788] RIP: 0010:refcount_warn_saturate+0xba/0x110

 5263 16:22:00.259341  <4>[   39.952917] Code: 02 01 e8 8b e6 c5 00 0f 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 9a c6 05 ee ff 16 02 01 e8 68 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d d9 ff 16 02 00 0f 85 5e ff ff ff 48 c7

 5264 16:22:00.262739  <4>[   39.974196] RSP: 0018:ffffa5c402b47e40 EFLAGS: 00010286

 5265 16:22:00.272744  <4>[   39.980341] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 5266 16:22:00.279305  <4>[   39.988606] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50

 5267 16:22:00.289076  <4>[   39.996870] RBP: ffffffff9ad81b38 R08: 0000000000000000 R09: 0000000000000000

 5268 16:22:00.295557  <4>[   40.005133] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5269 16:22:00.305426  <4>[   40.013398] R13: ffffa5c402b47f10 R14: ffffa5c402b47f10 R15: ffff98f0c2d53000

 5270 16:22:00.315519  <4>[   40.021663] FS:  00007f5daabc0580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 5271 16:22:00.322139  <4>[   40.030998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5272 16:22:00.328800  <4>[   40.037708] CR2: 00007f5daa9ca000 CR3: 00000001027be006 CR4: 00000000003706e0

 5273 16:22:00.332228  <4>[   40.045972] Call Trace:

 5274 16:22:00.335250  <4>[   40.048997]  ? __warn+0x80/0x110

 5275 16:22:00.342159  <4>[   40.052924]  ? refcount_warn_saturate+0xba/0x110

 5276 16:22:00.345152  <4>[   40.058375]  ? report_bug+0x9e/0xc0

 5277 16:22:00.351681  <4>[   40.062611]  ? handle_bug+0x41/0x90

 5278 16:22:00.355114  <4>[   40.066826]  ? exc_invalid_op+0x14/0x70

 5279 16:22:00.361568  <4>[   40.071401]  ? asm_exc_invalid_op+0x12/0x20

 5280 16:22:00.364882  <4>[   40.076382]  ? refcount_warn_saturate+0xba/0x110

 5281 16:22:00.371219  <4>[   40.081866]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 5282 16:22:00.378109  <4>[   40.088336]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 5283 16:22:00.384677  <4>[   40.094853]  direct_entry.cold+0x2c/0x38

 5284 16:22:00.388074  <4>[   40.099526]  full_proxy_write+0x53/0x80

 5285 16:22:00.391410  <4>[   40.104105]  vfs_write+0xe7/0x3b0

 5286 16:22:00.394594  <4>[   40.108127]  ksys_write+0x68/0xf0

 5287 16:22:00.400955  <4>[   40.112121]  do_syscall_64+0x30/0x40

 5288 16:22:00.407914  <4>[   40.116434]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5289 16:22:00.410827  <4>[   40.122370] RIP: 0033:0x7f5daaad6473

 5290 16:22:00.431196  <4>[   40.126685] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5291 16:22:00.440653  <4>[   40.147964] RSP: 002b:00007ffd514f8618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5292 16:22:00.447701  <4>[   40.156714] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5daaad6473

 5293 16:22:00.457211  <4>[   40.164985] RDX: 000000000000001f RSI: 00007f5daa9ca000 RDI: 0000000000000001

 5294 16:22:00.463551  <4>[   40.173282] RBP: 00007f5daa9ca000 R08: 00007f5daa9c9010 R09: 0000000000000000

 5295 16:22:00.473497  <4>[   40.181545] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5296 16:22:00.480012  <4>[   40.189810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5297 16:22:00.486522  <4>[   40.198080] irq event stamp: 0

 5298 16:22:00.493284  <4>[   40.201809] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5299 16:22:00.503465  <4>[   40.209105] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5300 16:22:00.513115  <4>[   40.218536] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5301 16:22:00.520121  <4>[   40.227965] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5302 16:22:00.523270  <4>[   40.235259] ---[ end trace 2116846283a514ad ]---

 5303 16:22:00.529848  <6>[   40.240708] lkdtm: Negative detected: saturated

 5304 16:22:00.532759  000000000020000 R15: 0000000000020000

 5305 16:22:00.536103  # EXEC_KMALLOC: saw 'call trace:': ok

 5306 16:22:00.543185  ok 32 selftests: lkdtm: EXEC_KMALLOC.sh

 5307 16:22:00.546464  # selftests: lkdtm: EXEC_VMALLOC.sh

 5308 16:22:00.546545  # Killed

 5309 16:22:00.552553  # [   29.920482] lkdtm: Performing direct entry EXEC_VMALLOC

 5310 16:22:00.559321  # [   29.929629] lkdtm: attempting ok execution at ffffffff9977b980

 5311 16:22:00.566167  # [   29.942647] lkdtm: attempting bad execution at ffffa5c400375000

 5312 16:22:00.572684  # [   29.955765] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 5313 16:22:00.582843  # [   29.970629] BUG: unable to handle page fault for address: ffffa5c400375000

 5314 16:22:00.588946  # [   29.978599] #PF: supervisor instruction fetch in kernel mode

 5315 16:22:00.595412  # [   29.985207] #PF: error_code(0x0011) - permissions violation

 5316 16:22:00.605416  # [   29.991721] PGD 100000067 P4D 100000067 PUD 100244067 PMD 100a10067 PTE 80000001065e9063

 5317 16:22:00.608490  # [   30.001056] Oops: 0011 [#8] SMP PTI

 5318 16:22:00.618515  # [   30.011450] CPU: 1 PID: 1686 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5319 16:22:00.624904  # [   30.020390] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5320 16:22:00.631890  # [   30.027486] RIP: 0010:0xffffa5c400375000

 5321 16:22:00.638491  # [   30.032154] Code: Unable to access opcode bytes at RIP 0xffffa5c400374fd6.

 5322 16:22:00.644747  # [   30.040115] RSP: 0018:ffffa5c402307e38 EFLAGS: 00010246

 5323 16:22:00.654472  # [   30.046231] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 5324 16:22:00.661318  # [   30.054482] RDX: 0000000000000000 RSI: ffff98f13ac9bf50 RDI: ffff98f13ac9bf50

 5325 16:22:00.670746  # [   30.062741] RBP: ffffa5c400375000 R08: 0000000000000000 R09: 0000000000000000

 5326 16:22:00.677715  # [   30.071000] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 5327 16:22:00.687615  # [   30.079259] R13: ffffa5c402307f10 R14: ffffa5c402307f10 R15: ffff98f0c65e9000

 5328 16:22:00.697623  # [   30.087519] FS:  00007fa196809580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000

 5329 16:22:00.704268  # [   30.096848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5330 16:22:00.710499  # [   30.103546] CR2: ffffa5c400374fd6 CR3: 0000000102bd4001 CR4: 00000000003706e0

 5331 16:22:00.714144  # [   30.111806] Call Trace:

 5332 16:22:00.717194  # [   30.114827]  ? __die_body.cold+0x1a/0x1f

 5333 16:22:00.724057  # [   30.119495]  ? no_context+0x177/0x380

 5334 16:22:00.726940  # [   30.130086]  ? exc_page_fault+0xd7/0x170

 5335 16:22:00.733827  # [   30.134754]  ? asm_exc_page_fault+0x1e/0x30

 5336 16:22:00.736820  # [   30.145929]  ? execute_location+0x45/0x56

 5337 16:22:00.744061  # [   30.156909]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 5338 16:22:00.747244  # [   30.161869]  ? direct_entry.cold+0x2c/0x38

 5339 16:22:00.753344  # [   30.166734]  ? full_proxy_write+0x53/0x80

 5340 16:22:00.756411  # [   30.171500]  ? vfs_write+0xe7/0x3b0

 5341 16:22:00.759672  # [   30.181893]  ? ksys_write+0x68/0xf0

 5342 16:22:00.766256  # [   30.186069]  ? do_syscall_64+0x30/0x40

 5343 16:22:00.769799  # [   30.190542]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5344 16:22:00.825760  # [   30.196669] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5345 16:22:00.829268  # [   30.255620] CR2: ffffa5c400375000

 5346 16:22:00.836019  # [   30.259609] ---[ end trace 2116846283a5149e ]---

 5347 16:22:00.839124  # [   30.265054] RIP: 0010:lkdtm_BUG+0x5/0x10

 5348 16:22:00.862003  # [   30.269721] Code: 89 ff e8 1e dc 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 00 67 0b 03

 5349 16:22:00.868709  # [   30.290995] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 5350 16:22:00.875139  # [   30.297110] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 5351 16:22:00.885062  # [   30.305382] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 5352 16:22:00.895067  # [   30.313643] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 5353 16:22:00.901539  # [   30.321902] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5354 16:22:00.910858  # [   30.330163] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 5355 16:22:00.920949  # [   30.338422] FS:  00007fa196809580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000

 5356 16:22:00.927941  # [   30.347751] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5357 16:22:00.934134  # [   30.354456] CR2: ffffa5c400374fd6 CR3: 0000000102bd4001 CR4: 00000000003706e0

 5358 16:22:00.937745  # EXEC_VMALLOC: saw 'call trace:': ok

 5359 16:22:00.943799  ok 33 selftests: lkdtm: EXEC_VMALLOC.sh

 5360 16:22:00.947192  # selftests: lkdtm: EXEC_RODATA.sh

 5361 16:22:00.947271  # Killed

 5362 16:22:00.953737  # [   30.443506] lkdtm: Performing direct entry EXEC_RODATA

 5363 16:22:00.960693  # [   30.455765] lkdtm: attempting ok execution at ffffffff9977b980

 5364 16:22:00.966671  # [   30.462582] lkdtm: attempting bad execution at ffffffff9a8f8240

 5365 16:22:00.976493  # [   30.469516] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 5366 16:22:00.983337  # [   30.484370] BUG: unable to handle page fault for address: ffffffff9a8f8240

 5367 16:22:00.989785  # [   30.492341] #PF: supervisor instruction fetch in kernel mode

 5368 16:22:00.996407  # [   30.498950] #PF: error_code(0x0011) - permissions violation

 5369 16:22:01.006748  # [   30.505461] PGD 33c29067 P4D 33c29067 PUD 33c2a063 PMD 80000000334000e1 

 5370 16:22:01.009896  # [   30.513230] Oops: 0011 [#9] SMP PTI

 5371 16:22:01.019393  # [   30.517412] CPU: 3 PID: 1723 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5372 16:22:01.026217  # [   30.526351] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5373 16:22:01.032755  # [   30.533450] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 5374 16:22:01.052530  # [   30.539477] Code: ff ff e2 fb e5 99 ff ff ff ff 62 20 d8 9a ff ff ff ff 28 e3 e5 99 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

 5375 16:22:01.059280  # [   30.560742] RSP: 0018:ffffa5c40238fe48 EFLAGS: 00010246

 5376 16:22:01.069239  # [   30.566866] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 5377 16:22:01.075700  # [   30.575125] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50

 5378 16:22:01.085388  # [   30.583388] RBP: ffffffff9a8f8240 R08: 0000000000000000 R09: 0000000000000000

 5379 16:22:01.095294  # [   30.591648] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 5380 16:22:01.102377  # [   30.599907] R13: ffffa5c40238ff10 R14: ffffa5c40238ff10 R15: ffff98f0c2b9e000

 5381 16:22:01.112000  # [   30.608166] FS:  00007f2fc7a62580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 5382 16:22:01.118793  # [   30.617494] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5383 16:22:01.128647  # [   30.624199] CR2: ffffffff9a8f8240 CR3: 0000000102d10005 CR4: 00000000003706e0

 5384 16:22:01.132143  # [   30.632459] Call Trace:

 5385 16:22:01.134779  # [   30.635479]  ? __die_body.cold+0x1a/0x1f

 5386 16:22:01.137912  # [   30.640148]  ? no_context+0x177/0x380

 5387 16:22:01.144634  # [   30.644528]  ? exc_page_fault+0xd7/0x170

 5388 16:22:01.147820  # [   30.649196]  ? asm_exc_page_fault+0x1e/0x30

 5389 16:22:01.154568  # [   30.654151]  ? execute_location+0x45/0x56

 5390 16:22:01.157872  # [   30.658914]  ? direct_entry.cold+0x2c/0x38

 5391 16:22:01.164625  # [   30.663777]  ? full_proxy_write+0x53/0x80

 5392 16:22:01.168008  # [   30.668535]  ? vfs_write+0xe7/0x3b0

 5393 16:22:01.170639  # [   30.672716]  ? ksys_write+0x68/0xf0

 5394 16:22:01.177330  # [   30.676898]  ? do_syscall_64+0x30/0x40

 5395 16:22:01.184448  # [   30.681385]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5396 16:22:01.237190  # [   30.687516] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5397 16:22:01.240205  # [   30.746505] CR2: ffffffff9a8f8240

 5398 16:22:01.247044  # [   30.750484] ---[ end trace 2116846283a5149f ]---

 5399 16:22:01.249742  # [   30.755930] RIP: 0010:lkdtm_BUG+0x5/0x10

 5400 16:22:01.273094  # [   30.760597] Code: 89 ff e8 1e dc 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 00 67 0b 03

 5401 16:22:01.279903  # [   30.781871] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 5402 16:22:01.285950  # [   30.787995] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 5403 16:22:01.296199  # [   30.796254] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 5404 16:22:01.302493  # [   30.804514] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 5405 16:22:01.312399  # [   30.812774] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5406 16:22:01.322493  # [   30.821032] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 5407 16:22:01.332016  # [   30.829294] FS:  00007f2fc7a62580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 5408 16:22:01.338671  # [   30.838622] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5409 16:22:01.345459  # [   30.845329] CR2: ffffffff9a8f8240 CR3: 0000000102d10005 CR4: 00000000003706e0

 5410 16:22:01.355203  # [   30.853590] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5411 16:22:01.364859  # [   30.863784] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1723, name: cat

 5412 16:22:01.368630  # [   30.872530] INFO: lockdep is turned off.

 5413 16:22:01.374895  # [   30.877197] irq event stamp: 0

 5414 16:22:01.381642  # [   30.880893] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5415 16:22:01.391468  # [   30.888182] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5416 16:22:01.401328  # [   30.897608] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5417 16:22:01.407830  # [   30.907035] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5418 16:22:01.417886  # [   30.914336] CPU: 3 PID: 1723 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5419 16:22:01.424177  # [   30.923276] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5420 16:22:01.427560  # [   30.930390] Call Trace:

 5421 16:22:01.430981  # [   30.933408]  dump_stack+0x77/0x9b

 5422 16:22:01.434366  # [   30.937397]  ___might_sleep.cold+0xa6/0xb6

 5423 16:22:01.440736  # [   30.942261]  exit_signals+0x1c/0x300

 5424 16:22:01.444358  # [   30.946542]  do_exit+0xc2/0xab0

 5425 16:22:01.447383  # [   30.950338]  ? ksys_write+0x68/0xf0

 5426 16:22:01.451202  # [   30.954521]  make_task_dead+0x2f/0x30

 5427 16:22:01.457714  # [   30.958897]  rewind_stack_and_make_dead+0x17/0x20

 5428 16:22:01.460736  # [   30.964438] RIP: 0033:0x7f2fc7978473

 5429 16:22:01.480479  # [   30.968717] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5430 16:22:01.490234  # [   30.989989] RSP: 002b:00007ffc441e0858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5431 16:22:01.500765  # [   30.998735] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f2fc7978473

 5432 16:22:01.513740  # [   31.006994] RDX: 000000000000000c RSI: 00007f2fc786c000 RDI: 0000<6>[   41.221954] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 5433 16:22:01.513853  000000000001

 5434 16:22:01.526890  # [   31.015253] RBP: 00007f2fc786c000 R08: 00007f<6>[   41.230020] lkdtm: attempting bad refcount_sub_and_test() below zero

 5435 16:22:01.530332  2fc786b010 R09: 0000000000000000

 5436 16:22:01.539591  # [   31.023514] R10: ffffffff<4>[   41.243625] ------------[ cut here ]------------

 5437 16:22:01.543125  fffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5438 16:22:01.549696  # [   31.0<4>[   41.255294] refcount_t: underflow; use-after-free.

 5439 16:22:01.566282  31773] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000<4>[   41.267176] WARNING: CPU: 0 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 5440 16:22:01.569333  00020000

 5441 16:22:01.572786  # EXEC_RODATA: saw 'call trace:': ok

 5442 16:22:01.625193  ok 34 selftests:<4>[   41.283075] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5443 16:22:01.628548   lkdtm: EXEC_RODATA.sh

 5444 16:22:01.631828  # selftests: lkdtm: EXEC_USERSPACE.sh

 5445 16:22:01.641688  #<4>[   41.342034] CPU: 0 PID: 2253 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5446 16:22:01.641770   Killed

 5447 16:22:01.655133  # [   31.135150] lkdtm: Performing direct entry EXEC_US<4>[   41.357211] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5448 16:22:01.655216  ERSPACE

 5449 16:22:01.664772  # [   31.145874] lkdtm: attempting ok execution at ffff<4>[   41.370492] RIP: 0010:refcount_warn_saturate+0xba/0x110

 5450 16:22:01.668038  ffff9977b980

 5451 16:22:01.694819  # [   31.158906] lkdtm: attempting bad execution a<4>[   41.382880] Code: 02 01 e8 8b e6 c5 00 0f 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 9a c6 05 ee ff 16 02 01 e8 68 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d d9 ff 16 02 00 0f 85 5e ff ff ff 48 c7

 5452 16:22:01.694925  t 00007f344bc97000

 5453 16:22:01.707831  # [   31.172027] unable to execute userspace<4>[   41.410357] RSP: 0018:ffffa5c402befe40 EFLAGS: 00010286

 5454 16:22:01.707918   code (SMEP?) (uid: 0)

 5455 16:22:01.720828  # [   31.184903] BUG: unable to handle p<4>[   41.422716] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 5456 16:22:01.724278  age fault for address: 00007f344bc97000

 5457 16:22:01.734322  # [   31.192874] #PF: s<4>[   41.437203] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 5458 16:22:01.741077  upervisor instruction fetch in kernel mode

 5459 16:22:01.750573  # [   31.199484] #PF<4>[   41.451700] RBP: ffffffff9ad81b58 R08: 0000000000000000 R09: 0000000000000000

 5460 16:22:01.754042  : error_code(0x0011) - permissions violation

 5461 16:22:01.763997  # [   31.205996] P<4>[   41.466144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5462 16:22:01.780608  GD 8000000106e42067 P4D 8000000106e42067 PUD 102bcc067 PMD 102d4<4>[   41.480665] R13: ffffa5c402beff10 R14: ffffa5c402beff10 R15: ffff98f0c4815000

 5463 16:22:01.780707  4067 PTE 10ae03067

 5464 16:22:01.783783  # [   31.216012] Oops: 0011 [#10] SMP PTI

 5465 16:22:01.794020  #<4>[   41.495136] FS:  00007f7cba3bf580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 5466 16:22:01.806978   [   31.220293] CPU: 0 PID: 1760 Comm: cat Tainted: G      D W  <4>[   41.510671] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5467 16:22:01.810335         5.10.199-cip39 #1

 5468 16:22:01.823598  # [   31.229224] Hardware name: Google<4>[   41.523651] CR2: 00007f7cba1c9000 CR3: 0000000106efe002 CR4: 00000000003706f0

 5469 16:22:01.826914   Rammus/Rammus, BIOS  09/04/2020

 5470 16:22:01.830006  # [   31.236340] RIP: 0010:0x7<4>[   41.538084] Call Trace:

 5471 16:22:01.833117  f344bc97000

 5472 16:22:01.839983  # [   31.240617] Code: Unable to access opcode byte<4>[   41.547384]  ? __warn+0x80/0x110

 5473 16:22:01.842909  s at RIP 0x7f344bc96fd6.

 5474 16:22:01.853207  # [   31.248198] RSP: 0018:ffffa5c4024<4>[   41.557432]  ? refcount_warn_saturate+0xba/0x110

 5475 16:22:01.856051  2fe50 EFLAGS: 00010246

 5476 16:22:01.862703  # [   31.254336] RAX: 0000000000000033 R<4>[   41.569126]  ? report_bug+0x9e/0xc0

 5477 16:22:01.865988  BX: 0000000000000024 RCX: 0000000000000000

 5478 16:22:01.872511  # [   31.262597] RDX<4>[   41.579494]  ? handle_bug+0x41/0x90

 5479 16:22:01.879345  : 0000000000000000 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 5480 16:22:01.885713  <4>[   41.589921]  ? exc_invalid_op+0x14/0x70

 5481 16:22:01.895811  # [   31.270858] RBP: 00007f344bc97000 R08: 0000000000000000 R09<4>[   41.600693]  ? asm_exc_invalid_op+0x12/0x20

 5482 16:22:01.898868  : 0000000000000000

 5483 16:22:01.905321  # [   31.279119] R10: 00000000ffffe000 R11: <4>[   41.611887]  ? refcount_warn_saturate+0xba/0x110

 5484 16:22:01.912480  3fffffffffffffff R12: 000000000000000f

 5485 16:22:01.918611  # [   31.287382] R13: ff<4>[   41.623537]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 5486 16:22:01.925397  ffa5c40242ff10 R14: ffffa5c40242ff10 R15: ffff98f0c2ebb000

 5487 16:22:01.931974  # [ <4>[   41.636182]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 5488 16:22:01.945022    31.295643] FS:  00007f344bc68580(0000) GS:ffff98f13ac00000(000<4>[   41.648903]  direct_entry.cold+0x2c/0x38

 5489 16:22:01.945107  0) knlGS:0000000000000000

 5490 16:22:01.954916  # [   31.304971] CS:  0010 DS: 0000 E<4>[   41.659812]  full_proxy_write+0x53/0x80

 5491 16:22:01.958288  S: 0000 CR0: 0000000080050033

 5492 16:22:01.964834  # [   31.311677] CR2: 00007f344bc<4>[   41.670586]  vfs_write+0xe7/0x3b0

 5493 16:22:01.968011  97000 CR3: 0000000104996003 CR4: 00000000003706f0

 5494 16:22:01.975016  # [   31.3199<4>[   41.680810]  ksys_write+0x68/0xf0

 5495 16:22:01.975101  36] Call Trace:

 5496 16:22:01.981648  # [   31.322956]  ? __die_body.cold+0x1a/0x1f

 5497 16:22:01.984574  <4>[   41.691003]  do_syscall_64+0x30/0x40

 5498 16:22:01.988314  # [   31.327631]  ? no_context+0x177/0x380

 5499 16:22:01.997863  # [   31.332010]  ? <4>[   41.701508]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5500 16:22:02.000971  exc_page_fault+0x53/0x170

 5501 16:22:02.007796  # [   31.336683]  ? asm_exc_page_faul<4>[   41.713651] RIP: 0033:0x7f7cba2d5473

 5502 16:22:02.007878  t+0x1e/0x30

 5503 16:22:02.034010  # [   31.341640]  ? lkdtm_EXEC_USERSPACE.cold+0x66/<4>[   41.724159] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5504 16:22:02.037293  0xae

 5505 16:22:02.041156  # [   31.347286]  ? direct_entry.cold+0x2c/0x38

 5506 16:22:02.050444  # [   31.<4>[   41.751640] RSP: 002b:00007ffebe8aa398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5507 16:22:02.054321  352158]  ? full_proxy_write+0x53/0x80

 5508 16:22:02.064048  # [   31.356930]  ? vfs_w<4>[   41.766632] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7cba2d5473

 5509 16:22:02.067300  rite+0xe7/0x3b0

 5510 16:22:02.070478  # [   31.361111]  ? ksys_write+0x68/0xf0

 5511 16:22:02.080533  # [  <4>[   41.781095] RDX: 000000000000001f RSI: 00007f7cba1c9000 RDI: 0000000000000001

 5512 16:22:02.083852   31.365294]  ? do_syscall_64+0x30/0x40

 5513 16:22:02.093537  # [   31.369760]  ? entr<4>[   41.795585] RBP: 00007f7cba1c9000 R08: 00007f7cba1c8010 R09: 0000000000000000

 5514 16:22:02.097039  y_SYSCALL_64_after_hwframe+0x62/0xc7

 5515 16:22:02.106619  # [   31.375887] Modules l<4>[   41.810053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5516 16:22:02.123363  inked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvi<4>[   41.824526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5517 16:22:02.133039  deo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggere<4>[   41.839006] irq event stamp: 0

 5518 16:22:02.139802  <4>[   41.848906] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5519 16:22:02.156139  d_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio <4>[   41.856208] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5520 16:22:02.172629  videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_e<4>[   41.871862] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5521 16:22:02.186067  c_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pc<4>[   41.887502] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5522 16:22:02.196077  m_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_te<4>[   41.901022] ---[ end trace 2116846283a514ae ]---

 5523 16:22:02.209096  mp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_<6>[   41.912678] lkdtm: Negative detected: saturated

 5524 16:22:02.215265  usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5525 16:22:02.218929  # [   31.428656] CR2: 00007f344bc97000

 5526 16:22:02.225313  # [   31.432645] ---[ end trace 2116846283a514a0 ]---

 5527 16:22:02.228507  # [   31.438082] RIP: 0010:lkdtm_BUG+0x5/0x10

 5528 16:22:02.248572  # [   31.442743] Code: 89 ff e8 1e dc 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 00 67 0b 03

 5529 16:22:02.255168  # [   31.464008] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 5530 16:22:02.265078  # [   31.470133] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 5531 16:22:02.271612  # [   31.478392] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 5532 16:22:02.281612  # [   31.486650] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 5533 16:22:02.288003  # [   31.494910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5534 16:22:02.298042  # [   31.503169] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 5535 16:22:02.304787  # [   31.511429] FS:  00007f344bc68580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 5536 16:22:02.311349  # [   31.520757] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5537 16:22:02.327642  # [   31.527462] CR2: 00007f344bc97000 CR3: 0000000104996003 CR4: 0000000000370<6>[   42.031222] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 5538 16:22:02.327730  6f0

 5539 16:22:02.330954  # EXEC_USERSPACE: saw 'call trace:': ok

 5540 16:22:02.341098  ok 35 selftests: l<6>[   42.042723] lkdtm: attempting safe refcount_inc_not_zero() from zero

 5541 16:22:02.344216  kdtm: EXEC_USERSPACE.sh

 5542 16:22:02.347303  # selftests: lkdtm: EXEC_NULL.sh

 5543 16:22:02.350945  # Kil<6>[   42.056345] lkdtm: Good: zero detected

 5544 16:22:02.351030  led

 5545 16:22:02.357652  # [   31.630719] lkdtm: Performing direct entry EXEC_NULL

 5546 16:22:02.360647  <6>[   42.067037] lkdtm: Correctly stayed at zero

 5547 16:22:02.374175  # [   31.641080] lkdtm: attempting ok execution at ffffffff9977b<6>[   42.078214] lkdtm: attempting bad refcount_inc() from zero

 5548 16:22:02.374275  980

 5549 16:22:02.387183  # [   31.654099] lkdtm: attempting bad execution at 0000000<4>[   42.090850] ------------[ cut here ]------------

 5550 16:22:02.387264  000000000

 5551 16:22:02.396945  # [   31.667223] BUG: kernel NULL pointer dereference<4>[   42.102512] refcount_t: addition on 0; use-after-free.

 5552 16:22:02.400239  , address: 0000000000000000

 5553 16:22:02.413584  # [   31.681489] #PF: supervisor in<4>[   42.114792] WARNING: CPU: 1 PID: 2286 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 5554 16:22:02.416970  struction fetch in kernel mode

 5555 16:22:02.472751  # [   31.688089] #PF: error_code<4>[   42.130697] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5556 16:22:02.475904  (0x0010) - not-present page

 5557 16:22:02.479436  # [   31.694114] PGD 0 P4D 0 

 5558 16:22:02.489350  # [ <4>[   42.189652] CPU: 1 PID: 2286 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5559 16:22:02.492369    31.697229] Oops: 0010 [#11] SMP PTI

 5560 16:22:02.502469  # [   31.701509] CPU: 0 P<4>[   42.204810] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5561 16:22:02.515321  ID: 1797 Comm: cat Tainted: G      D W         5.10.199-cip39 #1<4>[   42.218123] RIP: 0010:refcount_warn_saturate+0x74/0x110

 5562 16:22:02.535349  <4>[   42.230466] Code: 02 01 e8 d1 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd 9a c6 05 35 00 17 02 01 e8 ae e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd

 5563 16:22:02.535458  

 5564 16:22:02.548379  # [   31.710439] Hardware name: Google Rammus/Rammus, BIOS  09<4>[   42.251764] RSP: 0018:ffffa5c402c7fe48 EFLAGS: 00010286

 5565 16:22:02.548461  /04/2020

 5566 16:22:02.551910  # [   31.717536] RIP: 0010:0x0

 5567 16:22:02.561604  # [   31.720748] Code:<4>[   42.264082] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 5568 16:22:02.571905  <4>[   42.278556] RDX: ffff98f13acac620 RSI: ffff98f13ac9bf50 RDI: ffff98f13ac9bf50

 5569 16:22:02.574990   Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 5570 16:22:02.585039  # [  <4>[   42.286821] RBP: ffffffff9ad81ef9 R08: 0000000000000000 R09: 0000000000000000

 5571 16:22:02.594942  <4>[   42.301294] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5572 16:22:02.598583   31.728716] RSP: 0018:ffffa5c4024dfe48 EFLAGS: 00010246

 5573 16:22:02.608647  # [   3<4>[   42.309556] R13: ffffa5c402c7ff10 R14: ffffa5c402c7ff10 R15: ffff98f0c5a05000

 5574 16:22:02.618308  <4>[   42.324030] FS:  00007f9cc7576580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000

 5575 16:22:02.631312  1.734841] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 00000<4>[   42.333363] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5576 16:22:02.638180  <4>[   42.346280] CR2: 00007f9cc7380000 CR3: 00000001038c6005 CR4: 00000000003706e0

 5577 16:22:02.641523  <4>[   42.354545] Call Trace:

 5578 16:22:02.641947  00000000000

 5579 16:22:02.651269  # [   31.743100] RDX: 0000000000000000 RSI: ffff98f<4>[   42.357569]  ? __warn+0x80/0x110

 5580 16:22:02.657355  <4>[   42.367675]  ? refcount_warn_saturate+0x74/0x110

 5581 16:22:02.660920  13ac1bf50 RDI: ffff98f13ac1bf50

 5582 16:22:02.667508  # [   31.751379] RBP: 000000000<4>[   42.373126]  ? report_bug+0x9e/0xc0

 5583 16:22:02.674127  0000000 R08: 0000000000000000 R09: 0000000000000000

 5584 16:22:02.677349  # [   31.75<4>[   42.383520]  ? handle_bug+0x41/0x90

 5585 16:22:02.684208  <4>[   42.393920]  ? exc_invalid_op+0x14/0x70

 5586 16:22:02.693795  9639] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000<4>[   42.398519]  ? asm_exc_invalid_op+0x12/0x20

 5587 16:22:02.694226  000000a

 5588 16:22:02.704190  # [   31.767898] R13: ffffa5c4024dff10 R14: ffffa5c4024<4>[   42.409694]  ? refcount_warn_saturate+0x74/0x110

 5589 16:22:02.706881  dff10 R15: ffff98f0c2d23000

 5590 16:22:02.717292  # [   31.776157] FS:  00007f72e0953<4>[   42.421355]  ? refcount_warn_saturate+0x74/0x110

 5591 16:22:02.723559  <4>[   42.433018]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 5592 16:22:02.726925  580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 5593 16:22:02.733484  # [ <4>[   42.438273]  direct_entry.cold+0x2c/0x38

 5594 16:22:02.740271    31.785485] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5595 16:22:02.743408  <4>[   42.449155]  full_proxy_write+0x53/0x80

 5596 16:22:02.753322  # [   31.792191] CR2: ffffffffffffffd6 CR3: 00000001053b2004 CR4<4>[   42.459945]  vfs_write+0xe7/0x3b0

 5597 16:22:02.756474  : 00000000003706f0

 5598 16:22:02.759738  # [   31.800451] Call Trace:

 5599 16:22:02.762988  # [   31.80347<4>[   42.470155]  ksys_write+0x68/0xf0

 5600 16:22:02.769640  <4>[   42.480374]  do_syscall_64+0x30/0x40

 5601 16:22:02.773263  1]  ? __die_body.cold+0x1a/0x1f

 5602 16:22:02.779546  # [   31.808145]  ? no_context+<4>[   42.484686]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5603 16:22:02.786382  <4>[   42.496826] RIP: 0033:0x7f9cc748c473

 5604 16:22:02.786803  0x177/0x380

 5605 16:22:02.789759  # [   31.812530]  ? exc_page_fault+0x53/0x170

 5606 16:22:02.812839  # [ <4>[   42.501109] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5607 16:22:02.822724  <4>[   42.528591] RSP: 002b:00007ffc12308fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5608 16:22:02.825779    31.817202]  ? asm_exc_page_fault+0x1e/0x30

 5609 16:22:02.835567  # [   31.822166]  <4>[   42.537343] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9cc748c473

 5610 16:22:02.845315  <4>[   42.551814] RDX: 0000000000000012 RSI: 00007f9cc7380000 RDI: 0000000000000001

 5611 16:22:02.845559  execute_location+0x45/0x56

 5612 16:22:02.858597  # [   31.826743]  direct_entry.cold+<4>[   42.560078] RBP: 00007f9cc7380000 R08: 00007f9cc737f010 R09: 0000000000000000

 5613 16:22:02.865003  <4>[   42.574551] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5614 16:22:02.868308  0x2c/0x38

 5615 16:22:02.871458  # [   31.831412]  full_proxy_write+0x53/0x80

 5616 16:22:02.881785  # [   3<4>[   42.582815] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5617 16:22:02.884890  1.835990]  vfs_write+0xe7/0x3b0

 5618 16:22:02.891754  # [   31.839979]  ksys_write+0x<4>[   42.597292] irq event stamp: 0

 5619 16:22:02.897756  <4>[   42.607202] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5620 16:22:02.897847  68/0xf0

 5621 16:22:02.904882  # [   31.843969]  do_syscall_64+0x30/0x40

 5622 16:22:02.914194  # [   31.848<4>[   42.614497] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5623 16:22:02.924233  <4>[   42.630134] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5624 16:22:02.927552  240]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5625 16:22:02.937475  # [   31.854160]<4>[   42.639565] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5626 16:22:02.940837  <4>[   42.653066] ---[ end trace 2116846283a514af ]---

 5627 16:22:02.944190   RIP: 0033:0x7f72e0869473

 5628 16:22:02.954017  # [   31.858440] Code: 8b 15 21 2a 0e<6>[   42.658514] lkdtm: Zero detected: saturated

 5629 16:22:02.970532   00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5630 16:22:02.980384  # [   31.879705] RSP: 002b:00007ffe31b8c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5631 16:22:02.987286  # [   31.888450] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f72e0869473

 5632 16:22:02.996762  # [   31.896711] RDX: 000000000000000a RSI: 00007f72e075d000 RDI: 0000000000000001

 5633 16:22:03.003560  # [   31.904971] RBP: 00007f72e075d000 R08: 00007f72e075c010 R09: 0000000000000000

 5634 16:22:03.013282  # [   31.913222] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5635 16:22:03.019609  # [   31.921481] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5636 16:22:03.073007  # [   31.929745] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i<6>[   42.780039] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 5637 16:22:03.079025  <6>[   42.788381] lkdtm: attempting safe refcount_add_not_zero() from zero

 5638 16:22:03.082202  <6>[   42.795773] lkdtm: Good: zero detected

 5639 16:22:03.095845  2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight <6>[   42.800284] lkdtm: Correctly stayed at zero

 5640 16:22:03.102362  <6>[   42.811461] lkdtm: attempting bad refcount_add() from zero

 5641 16:22:03.105241  <4>[   42.817879] ------------[ cut here ]------------

 5642 16:22:03.111981  <4>[   42.823340] refcount_t: addition on 0; use-after-free.

 5643 16:22:03.121706  <4>[   42.829401] WARNING: CPU: 3 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 5644 16:22:03.125237  coreboot_table

 5645 16:22:03.128318  # [   31.982514] CR2: 0000000000000000

 5646 16:22:03.181074  # [   31<4>[   42.839128] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5647 16:22:03.190789  <4>[   42.898100] CPU: 3 PID: 2319 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5648 16:22:03.194312  .986493] ---[ end trace 2116846283a514a1 ]---

 5649 16:22:03.204674  # [   31.991940] <4>[   42.907059] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5650 16:22:03.210872  <4>[   42.920363] RIP: 0010:refcount_warn_saturate+0x74/0x110

 5651 16:22:03.231182  <4>[   42.926517] Code: 02 01 e8 d1 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd 9a c6 05 35 00 17 02 01 e8 ae e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd

 5652 16:22:03.237087  <4>[   42.947791] RSP: 0018:ffffa5c402d27e48 EFLAGS: 00010286

 5653 16:22:03.247254  <4>[   42.953917] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 5654 16:22:03.253956  <4>[   42.962178] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50

 5655 16:22:03.263456  <4>[   42.970431] RBP: ffffffff9ad81f0b R08: 0000000000000000 R09: 0000000000000000

 5656 16:22:03.270334  <4>[   42.978692] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5657 16:22:03.280397  <4>[   42.986946] R13: ffffa5c402d27f10 R14: ffffa5c402d27f10 R15: ffff98f0c2e99000

 5658 16:22:03.290211  <4>[   42.995210] FS:  00007f793373b580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 5659 16:22:03.296631  <4>[   43.004541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5660 16:22:03.303271  <4>[   43.011249] CR2: 00007f7933545000 CR3: 0000000102eda004 CR4: 00000000003706e0

 5661 16:22:03.306956  <4>[   43.019512] Call Trace:

 5662 16:22:03.309892  <4>[   43.022535]  ? __warn+0x80/0x110

 5663 16:22:03.313374  RIP: 0010:lkdtm_BUG+0x5/0x10

 5664 16:22:03.322707  # [   31.996608] Code: 89 ff e8 1e<4>[   43.026456]  ? refcount_warn_saturate+0x74/0x110

 5665 16:22:03.326637  <4>[   43.038113]  ? report_bug+0x9e/0xc0

 5666 16:22:03.329359  <4>[   43.042299]  ? handle_bug+0x41/0x90

 5667 16:22:03.335907  <4>[   43.046507]  ? exc_invalid_op+0x14/0x70

 5668 16:22:03.339875  <4>[   43.051081]  ? asm_exc_invalid_op+0x12/0x20

 5669 16:22:03.345998  <4>[   43.056046]  ? refcount_warn_saturate+0x74/0x110

 5670 16:22:03.352417  <4>[   43.061524]  ? refcount_warn_saturate+0x74/0x110

 5671 16:22:03.362367   dc 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc <4>[   43.066975]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 5672 16:22:03.365616  <4>[   43.078440]  direct_entry.cold+0x2c/0x38

 5673 16:22:03.372588  <4>[   43.083116]  full_proxy_write+0x53/0x80

 5674 16:22:03.375815  <4>[   43.087722]  vfs_write+0xe7/0x3b0

 5675 16:22:03.379257  <4>[   43.091716]  ksys_write+0x68/0xf0

 5676 16:22:03.385764  <4>[   43.095739]  do_syscall_64+0x30/0x40

 5677 16:22:03.389098  <4>[   43.100024]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5678 16:22:03.395634  <4>[   43.105957] RIP: 0033:0x7f7933651473

 5679 16:22:03.415789  <4>[   43.110241] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5680 16:22:03.424934  <4>[   43.131517] RSP: 002b:00007ffe556881b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5681 16:22:03.431882  <4>[   43.140267] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7933651473

 5682 16:22:03.441567  <4>[   43.148532] RDX: 0000000000000012 RSI: 00007f7933545000 RDI: 0000000000000001

 5683 16:22:03.448263  <4>[   43.156796] RBP: 00007f7933545000 R08: 00007f7933544010 R09: 0000000000000000

 5684 16:22:03.457811  <4>[   43.165061] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5685 16:22:03.464335  <4>[   43.173344] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5686 16:22:03.471396  <4>[   43.181614] irq event stamp: 0

 5687 16:22:03.478462  <4>[   43.185344] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5688 16:22:03.488171  <4>[   43.192637] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5689 16:22:03.494336  <4>[   43.202067] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5690 16:22:03.504742  <4>[   43.211496] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5691 16:22:03.507507  <4>[   43.218788] ---[ end trace 2116846283a514b0 ]---

 5692 16:22:03.514248  <6>[   43.224235] lkdtm: Zero detected: saturated

 5693 16:22:03.523731  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 00 67 0b 03

 5694 16:22:03.531065  # [   32.017881] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 5695 16:22:03.540580  # [   32.023995] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 5696 16:22:03.547090  # [   32.032254] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 5697 16:22:03.557048  # [   32.040513] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 5698 16:22:03.563193  # [   32.048772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5699 16:22:03.573705  # [   32.057032] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 5700 16:22:03.580169  # [   32.065292] FS:  00007f72e0953580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 5701 16:22:03.586398  # [   32.074618] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5702 16:22:03.596310  # [   32.081323] CR2: ffffffffffffffd6 CR3: 00000001053b2004 CR4: 00000000003706f0

 5703 16:22:03.605909  # [   32.089582] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5704 16:22:03.612861  # [   32.099784] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1797, name: cat

 5705 16:22:03.619697  # [   32.108530] INFO: lockdep is turned off.

 5706 16:22:03.623108  # [   32.113196] irq event stamp: 0

 5707 16:22:03.629251  # [   32.116893] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5708 16:22:03.639341  # [   32.124174]<6>[   43.346691] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 5709 16:22:03.645272  <6>[   43.354429] lkdtm: attempting bad refcount_inc() from saturated

 5710 16:22:03.652223  <4>[   43.361385] ------------[ cut here ]------------

 5711 16:22:03.655526  <4>[   43.366844] refcount_t: saturated; leaking memory.

 5712 16:22:03.665812  <4>[   43.372505] WARNING: CPU: 2 PID: 2355 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5713 16:22:03.725019   hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_proces<4>[   43.382231] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5714 16:22:03.734952  <4>[   43.441242] CPU: 2 PID: 2355 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5715 16:22:03.735479  s+0x65c/0x20e0

 5716 16:22:03.748096  # [   32.133602] softirqs last  enabled at (0): <4>[   43.450199] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5717 16:22:03.754921  <4>[   43.463505] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5718 16:22:03.774700  <4>[   43.469657] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 69 00 17 02 00 75 ee 48 c7 c7 c8 ca cd 9a c6 05 59 00 17 02 01 e8 d1 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd

 5719 16:22:03.781044  <4>[   43.490934] RSP: 0018:ffffa5c402db7e48 EFLAGS: 00010286

 5720 16:22:03.790705  <4>[   43.497062] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 5721 16:22:03.794373  [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5722 16:22:03.804139  # [   32.143017]<4>[   43.505348] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50

 5723 16:22:03.814383  <4>[   43.519828] RBP: ffffffff9ad81f1d R08: 0000000000000000 R09: 0000000000000000

 5724 16:22:03.821200  <4>[   43.528092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5725 16:22:03.830875  <4>[   43.536356] R13: ffffa5c402db7f10 R14: ffffa5c402db7f10 R15: ffff98f0c2b06000

 5726 16:22:03.836927  <4>[   43.544641] FS:  00007f48d5f5f580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000

 5727 16:22:03.843532  <4>[   43.553972] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5728 16:22:03.853463  <4>[   43.560681] CR2: 00007f48d5d69000 CR3: 0000000102efa005 CR4: 00000000003706e0

 5729 16:22:03.856921  <4>[   43.568943] Call Trace:

 5730 16:22:03.860410  <4>[   43.571966]  ? __warn+0x80/0x110

 5731 16:22:03.866698  <4>[   43.575865]  ? refcount_warn_saturate+0x51/0x110

 5732 16:22:03.869925  <4>[   43.581331]  ? report_bug+0x9e/0xc0

 5733 16:22:03.876579   softirqs last disabled at (0): [<0000000000000000>] 0x0

 5734 16:22:03.879791  # [   <4>[   43.585527]  ? handle_bug+0x41/0x90

 5735 16:22:03.883204  <4>[   43.595920]  ? exc_invalid_op+0x14/0x70

 5736 16:22:03.889735  <4>[   43.600496]  ? asm_exc_invalid_op+0x12/0x20

 5737 16:22:03.896049  <4>[   43.605463]  ? refcount_warn_saturate+0x51/0x110

 5738 16:22:03.906222  32.150307] CPU: 0 PID: 1797 Comm: cat Tainted: G      D W       <4>[   43.610938]  ? refcount_warn_saturate+0x51/0x110

 5739 16:22:03.912644  <4>[   43.622595]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 5740 16:22:03.915979    5.10.199-cip39 #1

 5741 16:22:03.922402  # [   32.159244] Hardware name: Google Ramm<4>[   43.628362]  direct_entry.cold+0x2c/0x38

 5742 16:22:03.929389  <4>[   43.639247]  full_proxy_write+0x53/0x80

 5743 16:22:03.932341  <4>[   43.643845]  vfs_write+0xe7/0x3b0

 5744 16:22:03.935563  <4>[   43.647862]  ksys_write+0x68/0xf0

 5745 16:22:03.939312  <4>[   43.651853]  do_syscall_64+0x30/0x40

 5746 16:22:03.945777  <4>[   43.656136]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5747 16:22:03.948954  <4>[   43.662070] RIP: 0033:0x7f48d5e75473

 5748 16:22:03.972259  <4>[   43.666352] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5749 16:22:03.982210  <4>[   43.687628] RSP: 002b:00007ffcef9d23d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5750 16:22:03.988425  <4>[   43.696389] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f48d5e75473

 5751 16:22:03.998815  <4>[   43.704652] RDX: 0000000000000017 RSI: 00007f48d5d69000 RDI: 0000000000000001

 5752 16:22:04.005070  <4>[   43.712916] RBP: 00007f48d5d69000 R08: 00007f48d5d68010 R09: 0000000000000000

 5753 16:22:04.014966  <4>[   43.721177] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5754 16:22:04.021841  <4>[   43.729440] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5755 16:22:04.025122  <4>[   43.737707] irq event stamp: 0

 5756 16:22:04.031382  <4>[   43.741436] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5757 16:22:04.042021  <4>[   43.748728] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5758 16:22:04.051384  <4>[   43.758158] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5759 16:22:04.057712  <4>[   43.767584] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5760 16:22:04.064442  <4>[   43.774876] ---[ end trace 2116846283a514b1 ]---

 5761 16:22:04.070988  <6>[   43.780339] lkdtm: Saturation detected: still saturated

 5762 16:22:04.074395  us/Rammus, BIOS  09/04/2020

 5763 16:22:04.077348  # [   32.166338] Call Trace:

 5764 16:22:04.081236  # [   32.169357]  dump_stack+0x77/0x9b

 5765 16:22:04.084268  # [   32.173353]  ___might_sleep.cold+0xa6/0xb6

 5766 16:22:04.087492  # [   32.178222]  exit_signals+0x1c/0x300

 5767 16:22:04.094376  # [   32.182507]  do_exit+0xc2/0xab0

 5768 16:22:04.097725  # [   32.186292]  ? ksys_write+0x68/0xf0

 5769 16:22:04.100697  # [   32.190468]  make_task_dead+0x2f/0x30

 5770 16:22:04.107319  # [   32.194847]  rewind_stack_and_make_dead+0x17/0x20

 5771 16:22:04.110572  # [   32.200389] RIP: 0033:0x7f72e0869473

 5772 16:22:04.133662  # [   32.204658] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5773 16:22:04.140329  # [   32.225929] RSP: 002b:00007ffe31b8c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5774 16:22:04.150332  # [   32.234674] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f72e0869473

 5775 16:22:04.156737  # [   32.242934] RDX: 000000000000000a RSI: 00007f72e075d000 RDI: 0000000000000001

 5776 16:22:04.167298  # [   32.251194] RBP: 00007f72e075d000 R08: 00007f72e075c010 R09: 0000000000000000

 5777 16:22:04.173595  # [   32.259452] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5778 16:22:04.183103  # [   32.267711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5779 16:22:04.186475  # EXEC_NULL: saw 'call trace:': ok

 5780 16:22:04.189565  ok 36 selftests: lkdtm: EXEC_NULL.sh

 5781 16:22:04.193169  # selftests: lkdtm: ACCESS_USERSPACE.sh

 5782 16:22:04.195989  # Killed

 5783 16:22:04.202664  # [   32.375635] lkdtm: Performing direct entry ACCESS_USERSPACE

 5784 16:22:04.209904  # [   32.388190] lkdtm: attempting bad read at 00007f97ad741000

 5785 16:22:04.215821  # [   32.394629] BUG: unable to handle page fault for address: 00007f97ad741000

 5786 16:22:04.222408  # [   32.408797] #PF: supervisor read access in kernel mode

 5787 16:22:04.229064  # [   32.414824] #PF: error_code(0x0001) - permissions violation

 5788 16:22:04.239188  # [   32.421336] PGD 8000000106f59067 P4D 8000000106f59067 PUD 102e09067 PMD 102bcc067 PTE 10b8e4067

 5789 16:22:04.242314  # [   32.431351] Oops: 0001 [#12] SMP PTI

 5790 16:22:04.251910  # [   32.435622] CPU: 3 PID: 1833 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5791 16:22:04.258371  # [   32.444561] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5792 16:22:04.264961  # [   32.451658] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 5793 16:22:04.287805  # [   32.458172] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 80 2d d8 9a e8 28 d8 fb ff 48 c7 c7 a8 2d d8 9a b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0f d8 fb ff 48 89 ee 48 c7 c7 d0 2d d8

 5794 16:22:04.294554  # [   32.479444] RSP: 0018:ffffa5c402557e48 EFLAGS: 00010246

 5795 16:22:04.301197  # [   32.485569] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000

 5796 16:22:04.311112  # [   32.493829] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9ad82da8

 5797 16:22:04.321140  # [   32.502088] RBP: 00007f97ad741000 R08: 0000000000000000 R09: 0000000000000000

 5798 16:22:04.327808  # [   32.510348] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011

 5799 16:22:04.337466  # [   32.518609] R13: ffffa5c402557f10 R14: ffffa5c402557f10 R15: ffff98f0c2f3d000

 5800 16:22:04.347173  # [   32.526869] FS:  00007f97ad712580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 5801 16:22:04.353942  # [   32.536197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5802 16:22:04.360296  # [   32.542903] CR2: 00007f97ad741000 CR3: 0000000104816005 CR4: 00000000003706e0

 5803 16:22:04.363454  # [   32.551161] Call Trace:

 5804 16:22:04.366755  # [   32.554182]  ? __die_body.cold+0x1a/0x1f

 5805 16:22:04.373517  # [   32.558852]  ? no_context+0x177/0x380

 5806 16:22:04.376808  # [   32.563230]  ? exc_page_fault+0x53/0x170

 5807 16:22:04.383321  # [   32.567899]  ? asm_exc_page_fault+0x1e/0x30

 5808 16:22:04.389931  # [   32.572861]  ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 5809 16:22:04.393219  # [   32.578695]  ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3

 5810 16:22:04.399768  # [   32.584519]  direct_entry.cold+0x2c/0x38

 5811 16:22:04.402943  # [   32.589181]  full_proxy_write+0x53/0x80

 5812 16:22:04.406208  # [   32.593755]  vfs_write+0xe7/0x3b0

 5813 16:22:04.412920  # [   32.603954]  ksys_write+0x68/0xf0

 5814 16:22:04.416589  # [   32.607943]  do_syscall_64+0x30/0x40

 5815 16:22:04.423217  # [   32.612224]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5816 16:22:04.426313  # [   32.618146] RIP: 0033:0x7f97ad628473

 5817 16:22:04.449251  # [   32.622417] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5818 16:22:04.455865  # [   32.643682] RSP: 002b:00007ffca33aeed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5819 16:22:04.465743  # [   32.652420] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f97ad628473

 5820 16:22:04.472109  # [   32.660681] RDX: 0000000000000011 RSI: 00007f97ad51c000 RDI: 0000000000000001

 5821 16:22:04.482046  # [   32.668931] RBP: 00007f97ad51c000 R08: 00007f97ad51b010 R09: 0000000000000000

 5822 16:22:04.488649  # [   32.677191] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5823 16:22:04.498515  # [   32.685450] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5824 16:22:04.554385  # [   32.693712] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5825 16:22:04.557767  # [   32.752701] CR2: 00007f97ad741000

 5826 16:22:04.561076  # [   32.756689] ---[ end trace 2116846283a514a2 ]---

 5827 16:22:04.567597  # [   32.762127] RIP: 0010:lkdtm_BUG+0x5/0x10

 5828 16:22:04.587556  # [   32.766794] Code: 89 ff e8 1e dc 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 00 67 0b 03

 5829 16:22:04.594093  # [   32.788069] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 5830 16:22:04.604166  # [   32.794185] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 5831 16:22:04.610812  # [   32.802444] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 5832 16:22:04.620461  # [   32.810704] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 5833 16:22:04.626872  # [   32.818965] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5834 16:22:04.637082  # [   32.827225] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 5835 16:22:04.643653  # [   32.835486] FS:  00007f97ad712580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 5836 16:22:04.650248  # [   32.844815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5837 16:22:04.660117  # [   32.851520] CR2: 00007f97ad7<6>[   44.364960] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 5838 16:22:04.669829  <6>[   44.378018] lkdtm: attempting bad refcount_dec() from saturated

 5839 16:22:04.673166  41000 CR3: 0000000104816005 CR4: 00000000003706e0

 5840 16:22:04.679627  # ACCESS_USER<4>[   44.384937] ------------[ cut here ]------------

 5841 16:22:04.686188  <4>[   44.396588] refcount_t: decrement hit 0; leaking memory.

 5842 16:22:04.696597  <4>[   44.402843] WARNING: CPU: 2 PID: 2391 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5843 16:22:04.699818  SPACE: saw 'call trace:': ok

 5844 16:22:04.755358  ok 37 selftests: lkdtm: ACCESS_USE<4>[   44.412570] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5845 16:22:04.765191  <4>[   44.471526] CPU: 2 PID: 2391 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5846 16:22:04.771842  <4>[   44.480492] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5847 16:22:04.778403  <4>[   44.487595] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5848 16:22:04.798717  <4>[   44.493746] Code: 78 cb cd 9a c6 05 c5 ff 16 02 01 e8 41 e6 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 48 cb cd 9a c6 05 ac ff 16 02 01 e8 27 e6 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5849 16:22:04.805286  <4>[   44.515023] RSP: 0018:ffffa5c402cffe48 EFLAGS: 00010286

 5850 16:22:04.811770  <4>[   44.521151] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 5851 16:22:04.821356  <4>[   44.529418] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50

 5852 16:22:04.827833  <4>[   44.537683] RBP: ffffffff9ad81f34 R08: 0000000000000000 R09: 0000000000000000

 5853 16:22:04.837988  <4>[   44.545948] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5854 16:22:04.847963  <4>[   44.554211] R13: ffffa5c402cfff10 R14: ffffa5c402cfff10 R15: ffff98f0c29fe000

 5855 16:22:04.854280  <4>[   44.562474] FS:  00007fd8868b5580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000

 5856 16:22:04.861137  <4>[   44.571805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5857 16:22:04.870972  <4>[   44.578515] CR2: 00007fd8866bf000 CR3: 0000000102bfc001 CR4: 00000000003706e0

 5858 16:22:04.874194  <4>[   44.586778] Call Trace:

 5859 16:22:04.877523  <4>[   44.589803]  ? __warn+0x80/0x110

 5860 16:22:04.877614  RSPACE.sh

 5861 16:22:04.880793  # selftests: lkdtm: ACCESS_NULL.sh

 5862 16:22:04.883979  # Killed

 5863 16:22:04.890570  # [   3<4>[   44.593725]  ? refcount_warn_saturate+0xfb/0x110

 5864 16:22:04.893745  <4>[   44.605385]  ? report_bug+0x9e/0xc0

 5865 16:22:04.896968  <4>[   44.609602]  ? handle_bug+0x41/0x90

 5866 16:22:04.900166  <4>[   44.613809]  ? exc_invalid_op+0x14/0x70

 5867 16:22:04.907249  <4>[   44.618385]  ? asm_exc_invalid_op+0x12/0x20

 5868 16:22:04.914080  <4>[   44.623405]  ? refcount_warn_saturate+0xfb/0x110

 5869 16:22:04.917408  2.953057] lkdtm: Performing direct entry ACCESS_NULL

 5870 16:22:04.923972  # [   32.9<4>[   44.628863]  ? refcount_warn_saturate+0xfb/0x110

 5871 16:22:04.930413  <4>[   44.640519]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 5872 16:22:04.937107  65294] lkdtm: attempting bad read at 0000000000000000

 5873 16:22:04.939895  # [   32.<4>[   44.646266]  direct_entry.cold+0x2c/0x38

 5874 16:22:04.946732  <4>[   44.657147]  full_proxy_write+0x53/0x80

 5875 16:22:04.949991  <4>[   44.661755]  vfs_write+0xe7/0x3b0

 5876 16:22:04.953333  <4>[   44.665753]  ksys_write+0x68/0xf0

 5877 16:22:04.956617  <4>[   44.669748]  do_syscall_64+0x30/0x40

 5878 16:22:04.963383  <4>[   44.674061]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5879 16:22:04.966359  <4>[   44.679994] RIP: 0033:0x7fd8867cb473

 5880 16:22:04.995708  971719] BUG: kernel NULL pointer dereference, address: 000000000<4>[   44.684302] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5881 16:22:05.002425  <4>[   44.684313] RSP: 002b:00007fffc263ac28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5882 16:22:05.012816  <4>[   44.684316] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd8867cb473

 5883 16:22:05.022704  <4>[   44.684318] RDX: 0000000000000017 RSI: 00007fd8866bf000 RDI: 0000000000000001

 5884 16:22:05.029226  <4>[   44.737080] RBP: 00007fd8866bf000 R08: 00007fd8866be010 R09: 0000000000000000

 5885 16:22:05.038685  <4>[   44.745341] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5886 16:22:05.045332  <4>[   44.753597] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5887 16:22:05.048486  <4>[   44.761867] irq event stamp: 0

 5888 16:22:05.055120  <4>[   44.765596] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5889 16:22:05.065161  <4>[   44.772890] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5890 16:22:05.074945  <4>[   44.782343] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5891 16:22:05.081294  <4>[   44.791771] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5892 16:22:05.088338  <4>[   44.799066] ---[ end trace 2116846283a514b2 ]---

 5893 16:22:05.094941  <6>[   44.804512] lkdtm: Saturation detected: still saturated

 5894 16:22:05.095042  0000000

 5895 16:22:05.101682  # [   32.979814] #PF: supervisor read access in kernel mode

 5896 16:22:05.107693  # [   32.992054] #PF: error_code(0x0000) - not-present page

 5897 16:22:05.110962  # [   32.998072] PGD 0 P4D 0 

 5898 16:22:05.114790  # [   33.001177] Oops: 0000 [#13] SMP PTI

 5899 16:22:05.124583  # [   33.005456] CPU: 3 PID: 1869 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5900 16:22:05.130687  # [   33.014395] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5901 16:22:05.134360  # [   33.021493] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 5902 16:22:05.157395  # [   33.027035] Code: cc d7 fb ff be 00 10 00 00 48 89 ef e8 b3 7b 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 2d d8 9a e8 a6 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 a8 2d d8 9a 48 01

 5903 16:22:05.163943  # [   33.048301] RSP: 0018:ffffa5c4025ffe58 EFLAGS: 00010246

 5904 16:22:05.170498  # [   33.054426] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 5905 16:22:05.180573  # [   33.062685] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50

 5906 16:22:05.186944  # [   33.070945] RBP: ffffffff9ad81e71 R08: 0000000000000000 R09: 0000000000000000

 5907 16:22:05.193959  # [   33.079205] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 5908 16:22:05.206919  # [   33.087465] R13: ffffa5c4025fff10 R14: ffff<6>[   44.914188] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 5909 16:22:05.210244  a5c4025fff10 R15: ffff98f0c2acd000

 5910 16:22:05.220199  # [   33.095724] FS:  00007f<6>[   44.923473] lkdtm: attempting bad refcount_dec() from saturated

 5911 16:22:05.233271  5ad4189580(0000) GS:ffff98f13ad80000(0000) knlGS:000000000000000<4>[   44.936585] ------------[ cut here ]------------

 5912 16:22:05.233417  0

 5913 16:22:05.243247  # [   33.105054] CS:  0010 DS: 0000 ES: 0000 CR0: 00000000800<4>[   44.948248] refcount_t: saturated; leaking memory.

 5914 16:22:05.243384  50033

 5915 16:22:05.259612  # [   33.111760] CR2: 0000000000000000 CR3: 0000000102ace<4>[   44.960143] WARNING: CPU: 0 PID: 2427 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5916 16:22:05.262956  001 CR4: 00000000003706e0

 5917 16:22:05.266302  # [   33.120021] Call Trace:

 5918 16:22:05.318848  # [   3<4>[   44.976031] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5919 16:22:05.322129  3.123042]  ? __die_body.cold+0x1a/0x1f

 5920 16:22:05.335702  # [   33.127709]  ? no_c<4>[   45.035054] CPU: 0 PID: 2427 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 5921 16:22:05.335783  ontext+0x177/0x380

 5922 16:22:05.348203  # [   33.132080]  ? exc_page_fault+0x53/0x17<4>[   45.050168] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5923 16:22:05.348283  0

 5924 16:22:05.352002  # [   33.136748]  ? asm_exc_page_fault+0x1e/0x30

 5925 16:22:05.358282  # [   33.14<4>[   45.063540] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5926 16:22:05.361834  1710]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5927 16:22:05.387914  # [   33.146571]  ? lkdtm_<4>[   45.075825] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 69 00 17 02 00 75 ee 48 c7 c7 c8 ca cd 9a c6 05 59 00 17 02 01 e8 d1 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd

 5928 16:22:05.388030  ACCESS_NULL+0x14/0x53

 5929 16:22:05.397949  # [   33.151434]  direct_entry.cold+0x2c/<4>[   45.103364] RSP: 0018:ffffa5c402ecfe48 EFLAGS: 00010286

 5930 16:22:05.400931  0x38

 5931 16:22:05.404683  # [   33.156096]  full_proxy_write+0x53/0x80

 5932 16:22:05.414358  # [   33.160<4>[   45.115670] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 5933 16:22:05.417571  667]  vfs_write+0xe7/0x3b0

 5934 16:22:05.427556  # [   33.164646]  ksys_write+0x68/0x<4>[   45.130183] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 5935 16:22:05.427664  f0

 5936 16:22:05.434292  # [   33.168635]  do_syscall_64+0x30/0x40

 5937 16:22:05.444291  # [   33.172913] <4>[   45.144643] RBP: ffffffff9ad81f4b R08: 0000000000000000 R09: 0000000000000000

 5938 16:22:05.447719   entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5939 16:22:05.457510  # [   33.178843] RIP:<4>[   45.159166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5940 16:22:05.460201   0033:0x7f5ad409f473

 5941 16:22:05.470702  # [   33.183114] Code: 8b 15 21 2a 0e 00 f<4>[   45.173636] R13: ffffa5c402ecff10 R14: ffffa5c402ecff10 R15: ffff98f0c2aa0000

 5942 16:22:05.486567  7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18<4>[   45.188154] FS:  00007f0ce5299580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 5943 16:22:05.499581   00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 7<4>[   45.203691] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5944 16:22:05.506582  7 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5945 16:22:05.513433  # [   33.204391]<4>[   45.216623] CR2: 00007f0ce50a3000 CR3: 0000000102b80005 CR4: 00000000003706f0

 5946 16:22:05.523255   RSP: 002b:00007ffd2a31bec8 EFLAGS: 00000246 ORIG_RAX: 000000000<4>[   45.231100] Call Trace:

 5947 16:22:05.526427  0000001

 5948 16:22:05.532852  # [   33.213136] RAX: ffffffffffffffda RBX: 00000000000<4>[   45.240387]  ? __warn+0x80/0x110

 5949 16:22:05.535882  0000c RCX: 00007f5ad409f473

 5950 16:22:05.546258  # [   33.221401] RDX: 0000000000000<4>[   45.250496]  ? refcount_warn_saturate+0x51/0x110

 5951 16:22:05.549083  00c RSI: 00007f5ad3f93000 RDI: 0000000000000001

 5952 16:22:05.555820  # [   33.229662<4>[   45.262186]  ? report_bug+0x9e/0xc0

 5953 16:22:05.566132  ] RBP: 00007f5ad3f93000 R08: 00007f5ad3f92010 R09: 0000000000000<4>[   45.272582]  ? handle_bug+0x41/0x90

 5954 16:22:05.566215  000

 5955 16:22:05.579291  # [   33.237922] R10: fffffffffffffbc5 R11: 000000000000024<4>[   45.283004]  ? exc_invalid_op+0x14/0x70

 5956 16:22:05.579382  6 R12: 0000000000000001

 5957 16:22:05.588978  # [   33.246183] R13: 0000000000000001 <4>[   45.293810]  ? asm_exc_invalid_op+0x12/0x20

 5958 16:22:05.592235  R14: 0000000000020000 R15: 0000000000020000

 5959 16:22:05.599019  # [   33.254445] Mo<4>[   45.304986]  ? refcount_warn_saturate+0x51/0x110

 5960 16:22:05.612166  dules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensor<4>[   45.316643]  ? refcount_warn_saturate+0x51/0x110

 5961 16:22:05.625261  s uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_t<4>[   45.328326]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 5962 16:22:05.634910  riggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 indust<4>[   45.340268]  direct_entry.cold+0x2c/0x38

 5963 16:22:05.645059  rialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core<4>[   45.351158]  full_proxy_write+0x53/0x80

 5964 16:22:05.654977   cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress<4>[   45.361976]  vfs_write+0xe7/0x3b0

 5965 16:22:05.664913   snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86<4>[   45.372201]  ksys_write+0x68/0xf0

 5966 16:22:05.677429  _pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hi<4>[   45.382417]  do_syscall_64+0x30/0x40

 5967 16:22:05.687346  d cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreb<4>[   45.392926]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5968 16:22:05.691207  oot_table

 5969 16:22:05.693840  # [   33.313437] CR2: 0000000000000000

 5970 16:22:05.701131  # [   33.3174<4>[   45.405094] RIP: 0033:0x7f0ce51af473

 5971 16:22:05.703645  26] ---[ end trace 2116846283a514a3 ]---

 5972 16:22:05.726923  # [   33.322872] RIP: <4>[   45.415592] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5973 16:22:05.729992  0010:lkdtm_BUG+0x5/0x10

 5974 16:22:05.743222  # [   33.327540] Code: 89 ff e8 1e dc 7<4>[   45.443109] RSP: 002b:00007fffa9a312d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5975 16:22:05.749713  <4>[   45.458062] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0ce51af473

 5976 16:22:05.762904  9 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc<4>[   45.466352] RDX: 0000000000000017 RSI: 00007f0ce50a3000 RDI: 0000000000000001

 5977 16:22:05.779451   cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 8<4>[   45.480858] RBP: 00007f0ce50a3000 R08: 00007f0ce50a2010 R09: 0000000000000000

 5978 16:22:05.782699  4 00 00 00 00 00 0f 1f 44 00 00 83 05 00 67 0b 03

 5979 16:22:05.792453  # [   33.3488<4>[   45.495300] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5980 16:22:05.799403  05] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 5981 16:22:05.809304  # [   33.354928<4>[   45.509795] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5982 16:22:05.819267  ] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000<4>[   45.524303] irq event stamp: 0

 5983 16:22:05.819354  000

 5984 16:22:05.832336  # [   33.363187] RDX: 0000000000000000 RSI: ffff98f13ad9bf5<4>[   45.534191] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5985 16:22:05.835584  0 RDI: ffffffff9a8f7db0

 5986 16:22:05.848873  # [   33.371447] RBP: ffffffff9ade7fb8 <4>[   45.547688] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5987 16:22:05.851705  R08: 0000000000000001 R09: 0000000000000001

 5988 16:22:05.861814  # [   33.379707] R1<4>[   45.563341] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 5989 16:22:05.868104  0: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5990 16:22:05.874944  <4>[   45.579023] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5991 16:22:05.881324  <4>[   45.592518] ---[ end trace 2116846283a514b3 ]---

 5992 16:22:05.881412  

 5993 16:22:05.894320  # [   33.387966] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R1<6>[   45.597989] lkdtm: Saturation detected: still saturated

 5994 16:22:05.894425  5: ffff98f0c6d8f000

 5995 16:22:05.904688  # [   33.396226] FS:  00007f5ad4189580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 5996 16:22:05.911471  # [   33.405553] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5997 16:22:05.920769  # [   33.412259] CR2: 0000000000000000 CR3: 0000000102ace001 CR4: 00000000003706e0

 5998 16:22:05.931052  # [   33.420519] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5999 16:22:05.937495  # [   33.430722] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1869, name: cat

 6000 16:22:05.943861  # [   33.439466] INFO: lockdep is turned off.

 6001 16:22:05.947132  # [   33.444133] irq event stamp: 0

 6002 16:22:05.953764  # [   33.447828] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6003 16:22:05.963375  # [   33.455118] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6004 16:22:05.973739  # [   33.464543] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6005 16:22:05.980366  # [   33.473969] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6006 16:22:05.989833  # [   33.481258] CPU: 3 PID: 1869 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6007 16:22:05.996170  # [   33.490197] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6008 16:22:05.999411  # [   33.497291] Call Trace:

 6009 16:22:06.003157  # [   33.500309]  dump_stack+0x77/0x9b

 6010 16:22:06.009941  # [   33.504347]  ___might_sleep.cold+0xa6/0xb6

 6011 16:22:06.013123  # [   33.509212]  exit_signals+0x1c/0x300

 6012 16:22:06.016375  # [   33.513492]  do_exit+0xc2/0xab0

 6013 16:22:06.022840  # [   33.517287]  ? ksys_write+0x68/0xf0

 6014 16:22:06.026220  # [   33.521470]  make_task_dead+0x2f/0x30

 6015 16:22:06.032941  # [   33.525846]  rewind_stack_and_make_dead+0x17/0x20

 6016 16:22:06.036288  # [   33.531392] RIP: 0033:0x7f5ad409f473

 6017 16:22:06.059297  # [   33.535670] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6018 16:22:06.065331  # [   33.556942] RSP: 002b:00007ffd2a31bec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6019 16:22:06.075133  # [   33.565689] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f5ad409f473

 6020 16:22:06.085298  # [   33.573949] RDX: 000000000000000c RSI: 00007f5ad3f93000 RDI: 0000000000000001

 6021 16:22:06.091876  # [   33.582210] RBP: 00007f5ad3f93000 R08: 00007f5ad3f92010 R09: 0000000000000000

 6022 16:22:06.102107  # [   33.590470] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6023 16:22:06.108504  # [   33.598728] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6024 16:22:06.111677  # ACCESS_NULL: saw 'call trace:': ok

 6025 16:22:06.118242  ok 38 selftests: lkdtm: ACCESS_NULL.sh

 6026 16:22:06.121102  # selftests: lkdtm: WRITE_RO.sh

 6027 16:22:06.121184  # Killed

 6028 16:22:06.127680  # [   33.704391] lkdtm: Performing direct entry WRITE_RO

 6029 16:22:06.134298  # [   33.712212] lkdtm: attempting bad rodata write at ffffffff9a8f8230

 6030 16:22:06.140750  # [   33.719431] BUG: unable to handle page fault for address: ffffffff9a8f8230

 6031 16:22:06.147794  # [   33.727410] #PF: supervisor write access in kernel mode

 6032 16:22:06.154205  # [   33.739745] #PF: error_code(0x0003) - permissions violation

 6033 16:22:06.163951  # [   33.746259] PGD 33c29067 P4D 33c29067 PUD 33c2a063 PMD 80000000334000e1 

 6034 16:22:06.167208  # [   33.754038] Oops: 0003 [#14] SMP PTI

 6035 16:22:06.177605  # [   33.758327] CPU: 3 PID: 1905 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6036 16:22:06.183591  # [   33.767269] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6037 16:22:06.187423  # [   33.780581] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 6038 16:22:06.210189  # [   33.785833] Code: 00 48 c7 c7 60 2c d8 9a 48 c7 c6 30 82 8f 9a e8 50 da fb ff 48 8b 05 bd 9b a9 00 ba 34 12 cd ab 48 c7 c7 90 2c d8 9a 48 31 d0 <48> 89 05 a7 9b a9 00 e9 2e da fb ff 0f 1f 44 00 00 48 8b 05 b6 bc

 6039 16:22:06.217158  # [   33.807098] RSP: 0018:ffffa5c402687e60 EFLAGS: 00010202

 6040 16:22:06.223783  # [   33.813223] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 6041 16:22:06.233116  # [   33.821483] RDX: 00000000abcd1234 RSI: ffff98f13ad9bf50 RDI: ffffffff9ad82c90

 6042 16:22:06.239737  # [   33.829742] RBP: ffffffff9ad81e7d R08: 0000000000000000 R09: 0000000000000000

 6043 16:22:06.249648  # [   33.838000] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 6044 16:22:06.256524  # [   33.846261] R13: ffffa5c402687f10 R14: ffffa5c402687f10 R15: ffff98f0c5806000

 6045 16:22:06.269591  # [   33.854521] FS:  00007f5f1962f580(0000) GS:ffff9<6>[   45.975641] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 6046 16:22:06.272858  8f13ad80000(0000) knlGS:0000000000000000

 6047 16:22:06.282918  # [   33.863840] CS:  <6>[   45.986242] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 6048 16:22:06.289429  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6049 16:22:06.296313  # [   33.870546] C<4>[   46.000234] ------------[ cut here ]------------

 6050 16:22:06.305857  R2: ffffffff9a8f8230 CR3: 0000000102aca005 CR4: 00000000003706e0<4>[   46.011860] refcount_t: saturated; leaking memory.

 6051 16:22:06.305945  

 6052 16:22:06.309102  # [   33.878807] Call Trace:

 6053 16:22:06.322566  # [   33.881826]  ? __die_body.c<4>[   46.023778] WARNING: CPU: 0 PID: 2460 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6054 16:22:06.325900  old+0x1a/0x1f

 6055 16:22:06.329198  # [   33.886497]  ? no_context+0x177/0x380

 6056 16:22:06.382055  # [  <4>[   46.039700] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6057 16:22:06.385295   33.890876]  ? exc_page_fault+0xd7/0x170

 6058 16:22:06.398416  # [   33.895544]  ? as<4>[   46.098658] CPU: 0 PID: 2460 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6059 16:22:06.404688  <4>[   46.113777] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6060 16:22:06.407942  m_exc_page_fault+0x1e/0x30

 6061 16:22:06.417737  # [   33.900498]  ? lkdtm_WRITE_RO+0<4>[   46.120910] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6062 16:22:06.417843  x2e/0x3a

 6063 16:22:06.420919  # [   33.905069]  direct_entry.cold+0x2c/0x38

 6064 16:22:06.444233  # [   3<4>[   46.133255] Code: 02 01 e8 ae e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd 9a c6 05 14 00 17 02 01 e8 8b e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd

 6065 16:22:06.447447  3.909737]  full_proxy_write+0x53/0x80

 6066 16:22:06.457455  # [   33.914309]  vfs_wri<4>[   46.160774] RSP: 0018:ffffa5c402f4fe38 EFLAGS: 00010282

 6067 16:22:06.463931  <4>[   46.173083] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6068 16:22:06.467293  te+0xe7/0x3b0

 6069 16:22:06.470474  # [   33.918324]  ksys_write+0x68/0xf0

 6070 16:22:06.480730  # [   33.<4>[   46.181358] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 6071 16:22:06.483675  928524]  do_syscall_64+0x30/0x40

 6072 16:22:06.493813  # [   33.932794]  entry_SYSCAL<4>[   46.195866] RBP: ffffffff9ad81b78 R08: 0000000000000000 R09: 0000000000000000

 6073 16:22:06.497110  L_64_after_hwframe+0x62/0xc7

 6074 16:22:06.506723  # [   33.938724] RIP: 0033:0x7f5f1<4>[   46.210340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6075 16:22:06.510335  9545473

 6076 16:22:06.523205  # [   33.943003] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02<4>[   46.224857] R13: ffffa5c402f4ff10 R14: ffffa5c402f4ff10 R15: ffff98f0c38cf000

 6077 16:22:06.540112   48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 <4>[   46.239350] FS:  00007f417e334580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 6078 16:22:06.553226  c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f<4>[   46.254924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6079 16:22:06.559950  <4>[   46.267836] CR2: 00007f417e13e000 CR3: 00000001027dc006 CR4: 00000000003706f0

 6080 16:22:06.563256   40 00 48 83 ec 28 48 89 54 24 18

 6081 16:22:06.569416  # [   33.964277] RSP: 002b:00<4>[   46.276124] Call Trace:

 6082 16:22:06.576194  007fff964aac18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6083 16:22:06.579414  # [ <4>[   46.285404]  ? __warn+0x80/0x110

 6084 16:22:06.588970    33.973023] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00<4>[   46.295473]  ? refcount_warn_saturate+0x97/0x110

 6085 16:22:06.592427  007f5f19545473

 6086 16:22:06.602335  # [   33.981283] RDX: 0000000000000009 RSI: 0000<4>[   46.307176]  ? report_bug+0x9e/0xc0

 6087 16:22:06.605663  7f5f19439000 RDI: 0000000000000001

 6088 16:22:06.612332  # [   33.989541] RBP: 00007f<4>[   46.317543]  ? handle_bug+0x41/0x90

 6089 16:22:06.615346  5f19439000 R08: 00007f5f19438010 R09: 0000000000000000

 6090 16:22:06.621799  # [   33<4>[   46.327971]  ? exc_invalid_op+0x14/0x70

 6091 16:22:06.635078  .997800] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000<4>[   46.338735]  ? asm_exc_invalid_op+0x12/0x20

 6092 16:22:06.635168  0000000001

 6093 16:22:06.644928  # [   34.006060] R13: 0000000000000001 R14: 00000000<4>[   46.349949]  ? refcount_warn_saturate+0x97/0x110

 6094 16:22:06.647911  00020000 R15: 0000000000020000

 6095 16:22:06.657760  # [   34.014340] Modules linked <4>[   46.361587]  ? refcount_warn_saturate+0x97/0x110

 6096 16:22:06.667927  in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cr<4>[   46.373254]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6097 16:22:06.681331  os_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buff<4>[   46.385885]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 6098 16:22:06.694346  er videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videob<4>[   46.398728]  direct_entry.cold+0x2c/0x38

 6099 16:22:06.703893  uf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_char<4>[   46.409601]  full_proxy_write+0x53/0x80

 6100 16:22:06.714502  dev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmae<4>[   46.420433]  vfs_write+0xe7/0x3b0

 6101 16:22:06.723858  ngine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_the<4>[   46.430626]  ksys_write+0x68/0xf0

 6102 16:22:06.733717  rmal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_<4>[   46.440846]  do_syscall_64+0x30/0x40

 6103 16:22:06.740396  notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6104 16:22:06.746706  # <4>[   46.451356]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6105 16:22:06.750294  [   34.073296] CR2: ffffffff9a8f8230

 6106 16:22:06.757175  # [   34.077276] ---[ end <4>[   46.463526] RIP: 0033:0x7f417e24a473

 6107 16:22:06.760174  trace 2116846283a514a4 ]---

 6108 16:22:06.786269  # [   34.082713] RIP: 0010:lkdtm_BU<4>[   46.474006] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6109 16:22:06.786439  G+0x5/0x10

 6110 16:22:06.799444  # [   34.087390] Code: 89 ff e8 1e dc 79 ff 48 c7 c0<4>[   46.501523] RSP: 002b:00007fffc34ee4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6111 16:22:06.812897   ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 <4>[   46.516471] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f417e24a473

 6112 16:22:06.829456  f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00<4>[   46.530955] RDX: 0000000000000020 RSI: 00007f417e13e000 RDI: 0000000000000001

 6113 16:22:06.832781   00 0f 1f 44 00 00 83 05 00 67 0b 03

 6114 16:22:06.842488  # [   34.108665] RSP: 0018<4>[   46.545431] RBP: 00007f417e13e000 R08: 00007f417e13d010 R09: 0000000000000000

 6115 16:22:06.845947  :ffffa5c40133fe60 EFLAGS: 00010282

 6116 16:22:06.859082  # [   34.114788] RAX: ffffff<4>[   46.559920] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6117 16:22:06.862230  ff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 6118 16:22:06.872305  # [   34<4>[   46.574411] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6119 16:22:06.882027  .123048] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffff<4>[   46.588893] irq event stamp: 0

 6120 16:22:06.882138  ff9a8f7db0

 6121 16:22:06.895004  # [   34.131325] RBP: ffffffff9ade7fb8 R08: 00000000<4>[   46.598804] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6122 16:22:06.898484  00000001 R09: 0000000000000001

 6123 16:22:06.911584  # [   34.139594] R10: 00000000ff<4>[   46.612302] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6124 16:22:06.918032  ffe000 R11: 3fffffffffffffff R12: 0000000000000004

 6125 16:22:06.928034  # [   34.154<4>[   46.627970] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6126 16:22:06.941142  068] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6<4>[   46.643611] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6127 16:22:06.941226  d8f000

 6128 16:22:06.951038  # [   34.162337] FS:  00007f5f1962f580(0000) GS:ffff98f1<4>[   46.657130] ---[ end trace 2116846283a514b4 ]---

 6129 16:22:06.957648  3ad80000(0000) knlGS:0000000000000000

 6130 16:22:06.964231  # [   34.171667] CS:  001<6>[   46.668785] lkdtm: Saturation detected: still saturated

 6131 16:22:06.967649  0 DS: 0000 ES: 0000 CR0: 0000000080050033

 6132 16:22:06.977343  # [   34.178386] CR2: ffffffff9a8f8230 CR3: 0000000102aca005 CR4: 00000000003706e0

 6133 16:22:06.980595  # WRITE_RO: saw 'call trace:': ok

 6134 16:22:06.983987  ok 39 selftests: lkdtm: WRITE_RO.sh

 6135 16:22:06.987171  # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 6136 16:22:06.991116  # Killed

 6137 16:22:06.997540  # [   34.277242] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 6138 16:22:07.003888  # [   34.286743] lkdtm: attempting bad ro_after_init write at ffffffff9ae0a350

 6139 16:22:07.010371  # [   34.300841] BUG: unable to handle page fault for address: ffffffff9ae0a350

 6140 16:22:07.016725  # [   34.315009] #PF: supervisor write access in kernel mode

 6141 16:22:07.023871  # [   34.321133] #PF: error_code(0x0003) - permissions violation

 6142 16:22:07.033521  # [   34.327647] PGD 33c29067 P4D 33c29067 PUD 33c2a063 PMD 1052d4063 PTE 8000000033a0a061

 6143 16:22:07.036929  # [   34.336694] Oops: 0003 [#15] SMP PTI

 6144 16:22:07.046418  # [   34.340965] CPU: 0 PID: 1941 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6145 16:22:07.053260  # [   34.349896] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6146 16:22:07.060196  # [   34.356992] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 6147 16:22:07.079504  # [   34.363315] Code: 2c d8 9a e9 02 da fb ff 48 c7 c7 e8 2c d8 9a e8 f6 d9 fb ff 48 8b 05 83 bc fa 00 ba 34 12 cd<6>[   46.784426] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 6148 16:22:07.086127  <6>[   46.794748] lkdtm: attempting bad refcount_add_not_zero() from saturated

 6149 16:22:07.092733  <4>[   46.802552] ------------[ cut here ]------------

 6150 16:22:07.095871  <4>[   46.807999] refcount_t: saturated; leaking memory.

 6151 16:22:07.106079  <4>[   46.813670] WARNING: CPU: 3 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6152 16:22:07.165579   ab 48 c7 c7 90 2c d8 9a 48 31 d0 <48> 89 05 6d bc fa 00 e9 d4 d<4>[   46.823386] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6153 16:22:07.168450  9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 6154 16:22:07.181800  # [   34.384588] RSP: 001<4>[   46.882341] CPU: 3 PID: 2493 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6155 16:22:07.188092  <4>[   46.897499] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6156 16:22:07.195136  <4>[   46.904598] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6157 16:22:07.214549  <4>[   46.910726] Code: 02 01 e8 ae e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd 9a c6 05 14 00 17 02 01 e8 8b e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd

 6158 16:22:07.220949  <4>[   46.932005] RSP: 0018:ffffa5c403007e38 EFLAGS: 00010282

 6159 16:22:07.231222  <4>[   46.938164] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6160 16:22:07.237914  <4>[   46.946426] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50

 6161 16:22:07.247680  <4>[   46.954690] RBP: ffffffff9ad81b98 R08: 0000000000000000 R09: 0000000000000000

 6162 16:22:07.254076  <4>[   46.962959] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6163 16:22:07.264202  <4>[   46.971258] R13: ffffa5c403007f10 R14: ffffa5c403007f10 R15: ffff98f0c2f74000

 6164 16:22:07.274111  <4>[   46.979546] FS:  00007efd236a4580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 6165 16:22:07.280567  <4>[   46.988877] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6166 16:22:07.287291  <4>[   46.995587] CR2: 00007efd234ae000 CR3: 00000001048e4001 CR4: 00000000003706e0

 6167 16:22:07.290171  <4>[   47.003849] Call Trace:

 6168 16:22:07.293494  <4>[   47.006865]  ? __warn+0x80/0x110

 6169 16:22:07.300131  <4>[   47.010789]  ? refcount_warn_saturate+0x97/0x110

 6170 16:22:07.303666  <4>[   47.016238]  ? report_bug+0x9e/0xc0

 6171 16:22:07.306782  <4>[   47.020424]  ? handle_bug+0x41/0x90

 6172 16:22:07.313551  <4>[   47.024633]  ? exc_invalid_op+0x14/0x70

 6173 16:22:07.316851  <4>[   47.029206]  ? asm_exc_invalid_op+0x12/0x20

 6174 16:22:07.323349  <4>[   47.034171]  ? refcount_warn_saturate+0x97/0x110

 6175 16:22:07.330118  <4>[   47.039642]  ? refcount_warn_saturate+0x97/0x110

 6176 16:22:07.336717  <4>[   47.045092]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6177 16:22:07.343201  <4>[   47.051509]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 6178 16:22:07.346543  <4>[   47.058123]  direct_entry.cold+0x2c/0x38

 6179 16:22:07.349877  <4>[   47.062793]  full_proxy_write+0x53/0x80

 6180 16:22:07.356438  <4>[   47.067384]  vfs_write+0xe7/0x3b0

 6181 16:22:07.359662  <4>[   47.071386]  ksys_write+0x68/0xf0

 6182 16:22:07.362879  <4>[   47.075388]  do_syscall_64+0x30/0x40

 6183 16:22:07.369563  <4>[   47.079670]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6184 16:22:07.372890  <4>[   47.085604] RIP: 0033:0x7efd235ba473

 6185 16:22:07.395920  <4>[   47.089886] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6186 16:22:07.402423  <4>[   47.111161] RSP: 002b:00007fffe6d9ef78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6187 16:22:07.412043  <4>[   47.119910] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007efd235ba473

 6188 16:22:07.419084  <4>[   47.128172] RDX: 0000000000000020 RSI: 00007efd234ae000 RDI: 0000000000000001

 6189 16:22:07.428895  <4>[   47.136427] RBP: 00007efd234ae000 R08: 00007efd234ad010 R09: 0000000000000000

 6190 16:22:07.435157  <4>[   47.144689] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6191 16:22:07.445482  <4>[   47.152951] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6192 16:22:07.448410  <4>[   47.161221] irq event stamp: 0

 6193 16:22:07.451839  8:ffffa5c402727e60 EFLAGS: 00010202

 6194 16:22:07.461561  # [   34.390713] RAX: 00000<4>[   47.164964] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6195 16:22:07.471496  <4>[   47.178484] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6196 16:22:07.478069  000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 6197 16:22:07.487929  # [   3<4>[   47.187929] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6198 16:22:07.495090  <4>[   47.203566] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6199 16:22:07.501371  <4>[   47.210860] ---[ end trace 2116846283a514b5 ]---

 6200 16:22:07.504773  <6>[   47.216339] lkdtm: Saturation detected: still saturated

 6201 16:22:07.514449  4.398965] RDX: 00000000abcd1234 RSI: ffff98f13ac1bf50 RDI: ffffffff9ad82c90

 6202 16:22:07.521274  # [   34.407217] RBP: ffffffff9ad81e86 R08: 0000000000000000 R09: 0000000000000000

 6203 16:22:07.530981  # [   34.415476] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 6204 16:22:07.537830  # [   34.423736] R13: ffffa5c402727f10 R14: ffffa5c402727f10 R15: ffff98f0c5819000

 6205 16:22:07.547633  # [   34.431996] FS:  00007f7abcd4b580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 6206 16:22:07.554147  # [   34.441323] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6207 16:22:07.563917  # [   34.448028] CR2: ffffffff9ae0a350 CR3: 0000000102b80003 CR4: 00000000003706f0

 6208 16:22:07.564024  # [   34.456288] Call Trace:

 6209 16:22:07.570497  # [   34.459308]  ? __die_body.cold+0x1a/0x1f

 6210 16:22:07.573629  # [   34.463974]  ? no_context+0x177/0x380

 6211 16:22:07.580061  # [   34.468359]  ? exc_page_fault+0xd7/0x170

 6212 16:22:07.583297  # [   34.473033]  ? asm_exc_page_fault+0x1e/0x30

 6213 16:22:07.589982  # [   34.477996]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 6214 16:22:07.593255  # [   34.483640]  direct_entry.cold+0x2c/0x38

 6215 16:22:07.599823  # [   34.488311]  full_proxy_write+0x53/0x80

 6216 16:22:07.602995  # [   34.492887]  vfs_write+0xe7/0x3b0

 6217 16:22:07.606371  # [   34.496881]  ksys_write+0x68/0xf0

 6218 16:22:07.612949  # [   34.500870]  do_syscall_64+0x30/0x40

 6219 16:22:07.616270  # [   34.505150]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6220 16:22:07.623138  # [   34.511081] RIP: 0033:0x7f7abcc61473

 6221 16:22:07.642639  # [   34.515360] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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 16:22:07.652075  # [   34.536623] RSP: 002b:00007ffe6eae5ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6223 16:22:07.662362  # [   34.545369] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f7abcc61473

 6224 16:22:07.668917  # [   34.553630] RDX: 0000000000000014 RSI: 00007f7abcb55000 RDI: 0000000000000001

 6225 16:22:07.678215  # [   34.561891] RBP: 00007f7abcb55000 R08: 00007f7abcb54010 R09: 0000000000000000

 6226 16:22:07.685305  # [   34.570142] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6227 16:22:07.694692  # [   34.578403] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6228 16:22:07.747533  # [   34.586666] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6229 16:22:07.754254  # [   34.639431] CR2: ffffffff9ae0a350

 6230 16:22:07.757553  # [   34.643410] ---[ end trace 2116846283a514a5 ]---

 6231 16:22:07.763468  # [   34.648856] RIP: 0010:lkdtm_BUG+0x5/0x10

 6232 16:22:07.783935  # [   34.653530] Code: 89 ff e8 1e dc 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 00 67 0b 03

 6233 16:22:07.789926  # [   34.674804] RSP: 0018:ffffa5c40133fe60 EFLAGS: 00010282

 6234 16:22:07.796578  # [   34.680929] RAX: ffffffff9977b5b0 RBX: 0000000000000001 RCX: 0000000000000000

 6235 16:22:07.806599  # [   34.689187] RDX: 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 6236 16:22:07.813575  # [   34.697448] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09: 0000000000000001

 6237 16:22:07.823284  # [   34.705708] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 6238 16:22:07.829897  # [   34.713968] R13: ffffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 6239 16:22:07.839840  # [   34.722227] FS:  00007f7abcd4b580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 6240 16:22:07.846389  # [   34.731556] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6241 16:22:07.856012  # [   34.738262] CR2: ffffffff9ae0a350 CR3: 0000000102b80003 CR4: 00000000003706f0

 6242 16:22:07.869125  # [   34.746522] BUG: sleeping function called from inva<6>[   47.575684] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 6243 16:22:07.872455  lid context at include/linux/percpu-rwsem.h:49

 6244 16:22:07.882952  # [   34.756725]<6>[   47.584649] lkdtm: attempting bad refcount_dec_and_test() from saturated

 6245 16:22:07.892329   in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1941, na<4>[   47.598635] ------------[ cut here ]------------

 6246 16:22:07.895574  me: cat

 6247 16:22:07.898974  # [   34.765461] INFO: lockdep is turned off.

 6248 16:22:07.905596  # [   34<4>[   47.610305] refcount_t: underflow; use-after-free.

 6249 16:22:07.909042  .770129] irq event stamp: 0

 6250 16:22:07.922217  # [   34.773817] hardirqs last  ena<4>[   47.622169] WARNING: CPU: 0 PID: 2529 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6251 16:22:07.925391  bled at (0): [<0000000000000000>] 0x0

 6252 16:22:07.981400  # [   34.781099] hardirqs<4>[   47.638134] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6253 16:22:07.994990   last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0<4>[   47.697063] CPU: 0 PID: 2529 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6254 16:22:07.998107  x20e0

 6255 16:22:08.007842  # [   34.790525] softirqs last  enabled at (0): [<fffffff<4>[   47.712281] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6256 16:22:08.014518  f98cfd6cc>] copy_process+0x65c/0x20e0

 6257 16:22:08.021112  # [   34.799950] softirqs<4>[   47.725571] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6258 16:22:08.027566   last disabled at (0): [<0000000000000000>] 0x0

 6259 16:22:08.047632  # [   34.807239<4>[   47.737913] Code: 02 01 e8 8b e6 c5 00 0f 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 9a c6 05 ee ff 16 02 01 e8 68 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d d9 ff 16 02 00 0f 85 5e ff ff ff 48 c7

 6260 16:22:08.060269  ] CPU: 0 PID: 1941 Comm: cat Tainted: G      D W         5.10.19<4>[   47.765399] RSP: 0018:ffffa5c403077e40 EFLAGS: 00010286

 6261 16:22:08.064006  9-cip39 #1

 6262 16:22:08.076918  # [   34.816180] Hardware name: Google Rammus/Rammus<4>[   47.777747] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 6263 16:22:08.077013  , BIOS  09/04/2020

 6264 16:22:08.080230  # [   34.823274] Call Trace:

 6265 16:22:08.090248  # [   34.82629<4>[   47.792209] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 6266 16:22:08.093602  3]  dump_stack+0x77/0x9b

 6267 16:22:08.103215  # [   34.830289]  ___might_sleep.cold+<4>[   47.806729] RBP: ffffffff9ad81bb8 R08: 0000000000000000 R09: 0000000000000000

 6268 16:22:08.106658  0xa6/0xb6

 6269 16:22:08.110126  # [   34.835159]  exit_signals+0x1c/0x300

 6270 16:22:08.119909  # [   34.8<4>[   47.821194] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6271 16:22:08.123346  39445]  do_exit+0xc2/0xab0

 6272 16:22:08.132842  # [   34.843240]  ? ksys_write+0x68/<4>[   47.835674] R13: ffffa5c403077f10 R14: ffffa5c403077f10 R15: ffff98f0c2c8e000

 6273 16:22:08.132933  0xf0

 6274 16:22:08.140047  # [   34.847428]  make_task_dead+0x2f/0x30

 6275 16:22:08.149946  # [   34.85179<4>[   47.850197] FS:  00007f7b71251580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 6276 16:22:08.153087  7]  rewind_stack_and_make_dead+0x17/0x20

 6277 16:22:08.162869  # [   34.857337] RIP: <4>[   47.865762] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6278 16:22:08.162959  0033:0x7f7abcc61473

 6279 16:22:08.176127  # [   34.861615] Code: 8b 15 21 2a 0e 00 f7<4>[   47.878692] CR2: 00007f7b7105b000 CR3: 000000010484e005 CR4: 00000000003706f0

 6280 16:22:08.185916   d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 <4>[   47.893157] Call Trace:

 6281 16:22:08.195968  00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77<4>[   47.902436]  ? __warn+0x80/0x110

 6282 16:22:08.199295   55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6283 16:22:08.209213  # [   34.882886] <4>[   47.912564]  ? refcount_warn_saturate+0xba/0x110

 6284 16:22:08.218891  RSP: 002b:00007ffe6eae5ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000<4>[   47.924216]  ? report_bug+0x9e/0xc0

 6285 16:22:08.218993  000001

 6286 16:22:08.228966  # [   34.891633] RAX: ffffffffffffffda RBX: 000000000000<4>[   47.934645]  ? handle_bug+0x41/0x90

 6287 16:22:08.232120  0014 RCX: 00007f7abcc61473

 6288 16:22:08.238674  # [   34.899892] RDX: 00000000000000<4>[   47.945025]  ? exc_invalid_op+0x14/0x70

 6289 16:22:08.245627  14 RSI: 00007f7abcb55000 RDI: 0000000000000001

 6290 16:22:08.252120  # [   34.908150]<4>[   47.955818]  ? asm_exc_invalid_op+0x12/0x20

 6291 16:22:08.262227   RBP: 00007f7abcb55000 R08: 00007f7abcb54010 R09: 00000000000000<4>[   47.966993]  ? refcount_warn_saturate+0xba/0x110

 6292 16:22:08.262328  00

 6293 16:22:08.275269  # [   34.916409] R10: fffffffffffffbc5 R11: 0000000000000246<4>[   47.978666]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6294 16:22:08.278536   R12: 0000000000000001

 6295 16:22:08.288290  # [   34.924669] R13: 0000000000000001 R<4>[   47.991294]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 6296 16:22:08.291525  14: 0000000000020000 R15: 0000000000020000

 6297 16:22:08.298264  # WRITE_RO_AFTER_INI<4>[   48.004134]  direct_entry.cold+0x2c/0x38

 6298 16:22:08.301535  T: saw 'call trace:': ok

 6299 16:22:08.308088  ok 40 selftests: lkdtm: WRITE_RO_AFTER<4>[   48.015017]  full_proxy_write+0x53/0x80

 6300 16:22:08.311448  _INIT.sh

 6301 16:22:08.314682  # selftests: lkdtm: WRITE_KERN.sh

 6302 16:22:08.314782  # Killed

 6303 16:22:08.321248  # [   35.<4>[   48.025811]  vfs_write+0xe7/0x3b0

 6304 16:22:08.324445  039298] lkdtm: Performing direct entry WRITE_KERN

 6305 16:22:08.330993  # [   35.0507<4>[   48.036014]  ksys_write+0x68/0xf0

 6306 16:22:08.340711  73] lkdtm: attempting bad 7220333 byte write at ffffffff99e5e5ed<4>[   48.046232]  do_syscall_64+0x30/0x40

 6307 16:22:08.340823  

 6308 16:22:08.351140  # [   35.064800] BUG: unable to handle page fault for address:<4>[   48.056728]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6309 16:22:08.354147   ffffffff99e5e5ed

 6310 16:22:08.364113  # [   35.078940] #PF: supervisor write access<4>[   48.068875] RIP: 0033:0x7f7b71167473

 6311 16:22:08.364225   in kernel mode

 6312 16:22:08.390322  # [   35.085063] #PF: error_code(0x0003) - perm<4>[   48.079389] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6313 16:22:08.394191  issions violation

 6314 16:22:08.406819  # [   35.091575] PGD 33c29067 P4D 33c29067 PU<4>[   48.106882] RSP: 002b:00007ffc4330e958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6315 16:22:08.406910  D 33c2a063 PMD 32a000e1 

 6316 16:22:08.420602  # [   35.098583] Oops: 0003 [#16] SMP <4>[   48.121840] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7b71167473

 6317 16:22:08.420696  PTI

 6318 16:22:08.433817  # [   35.102863] CPU: 0 PID: 1977 Comm: cat Tainted: G     <4>[   48.136356] RDX: 0000000000000020 RSI: 00007f7b7105b000 RDI: 0000000000000001

 6319 16:22:08.436396   D W         5.10.199-cip39 #1

 6320 16:22:08.449968  # [   35.111802] Hardware name: <4>[   48.150809] RBP: 00007f7b7105b000 R08: 00007f7b7105a010 R09: 0000000000000000

 6321 16:22:08.453389  Google Rammus/Rammus, BIOS  09/04/2020

 6322 16:22:08.463101  # [   35.118898] RIP: 00<4>[   48.165297] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6323 16:22:08.466712  10:lkdtm_WRITE_KERN+0x38/0x4e

 6324 16:22:08.476299  # [   35.124349] Code: 53 48 c7 c<4>[   48.179772] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6325 16:22:08.486200  3 ed e5 e5 99 49 89 dc 48 89 da 49 81 ec 80 b9 77 99 4c 89 e6 e8<4>[   48.194267] irq event stamp: 0

 6326 16:22:08.502925   a9 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 80 b9 77 99 <f3> a4 48 c<4>[   48.204190] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6327 16:22:08.505968  7 c7 90 2c d8 9a e8 8e d9 fb ff 5b 41 5c e9 b7 fe ff ff

 6328 16:22:08.515785  # [   3<4>[   48.217694] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6329 16:22:08.522240  5.145619] RSP: 0018:ffffa5c4027b7e50 EFLAGS: 00010246

 6330 16:22:08.532260  # [   35.<4>[   48.233334] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6331 16:22:08.545329  151742] RAX: 000000000000003c RBX: ffffffff99e5e5ed RCX: 0000000<4>[   48.248990] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6332 16:22:08.545460  0006e2c6d

 6333 16:22:08.558573  # [   35.160003] RDX: 0000000000000000 RSI: ffffffff9<4>[   48.262489] ---[ end trace 2116846283a514b6 ]---

 6334 16:22:08.561975  977b980 RDI: ffffffff99e5e5ed

 6335 16:22:08.568673  # [   35.168263] RBP: ffffffff9ad<6>[   48.274163] lkdtm: Saturation detected: still saturated

 6336 16:22:08.575051  81e9a R08: 0000000000000000 R09: 0000000000000000

 6337 16:22:08.582028  # [   35.176523] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e2c6d

 6338 16:22:08.591703  # [   35.184781] R13: ffffa5c4027b7f10 R14: ffffa5c4027b7f10 R15: ffff98f0c2d60000

 6339 16:22:08.601770  # [   35.193042] FS:  00007f356f269580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 6340 16:22:08.608212  # [   35.202370] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6341 16:22:08.614820  # [   35.209076] CR2: ffffffff99e5e5ed CR3: 0000000103806005 CR4: 00000000003706f0

 6342 16:22:08.617785  # [   35.217336] Call Trace:

 6343 16:22:08.624349  # [   35.220357]  ? __die_body.cold+0x1a/0x1f

 6344 16:22:08.627492  # [   35.225033]  ? no_context+0x177/0x380

 6345 16:22:08.634079  # [   35.229418]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6346 16:22:08.637171  # [   35.235161]  ? exc_page_fault+0xd7/0x170

 6347 16:22:08.641044  # [   35.239829]  ? asm_exc_page_fault+0x1e/0x30

 6348 16:22:08.647510  # [   35.244781]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6349 16:22:08.653695  # [   35.250517]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 6350 16:22:08.657668  # [   35.255676]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6351 16:22:08.664064  # [   35.261403]  ? lkdtm_WRITE_KERN+0x38/0x4e

 6352 16:22:08.667158  # [   35.266169]  direct_entry.cold+0x2c/0x38

 6353 16:22:08.670565  # [   35.270838]  full_proxy_write+0x53/0x80

 6354 16:22:08.677556  # [   35.275417]  vfs_write+0xe7/0x3b0

 6355 16:22:08.680259  # [   35.279412]  ksys_write+0x68/0xf0

 6356 16:22:08.683561  # [   35.283400]  do_syscall_64+0x30/0x40

 6357 16:22:08.690321  # [   35.287679]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6358 16:22:08.693492  # [   35.293609] RIP: 0033:0x7f356f17f473

 6359 16:22:08.703665  # [<6>[   48.409773] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 6360 16:22:08.716458     35.297879] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff<6>[   48.418785] lkdtm: attempting bad refcount_sub_and_test() from saturated

 6361 16:22:08.726256   ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 <4>[   48.432793] ------------[ cut here ]------------

 6362 16:22:08.739297  01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83<4>[   48.444419] refcount_t: underflow; use-after-free.

 6363 16:22:08.742695   ec 28 48 89 54 24 18

 6364 16:22:08.755872  # [   35.319151] RSP: 002b:00007fffd556e0<4>[   48.456336] WARNING: CPU: 0 PID: 2565 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6365 16:22:08.759229  68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6366 16:22:08.814986  # [   35.327890]<4>[   48.472275] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6367 16:22:08.831168   RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f356f17f4<4>[   48.531238] CPU: 0 PID: 2565 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6368 16:22:08.831288  73

 6369 16:22:08.844426  # [   35.336142] RDX: 000000000000000b RSI: 00007f356f073000<4>[   48.546394] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6370 16:22:08.844570   RDI: 0000000000000001

 6371 16:22:08.854054  # [   35.344393] RBP: 00007f356f073000 R<4>[   48.559748] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6372 16:22:08.860679  08: 00007f356f072010 R09: 0000000000000000

 6373 16:22:08.884068  # [   35.352651] R10<4>[   48.572079] Code: 02 01 e8 8b e6 c5 00 0f 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 9a c6 05 ee ff 16 02 01 e8 68 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d d9 ff 16 02 00 0f 85 5e ff ff ff 48 c7

 6374 16:22:08.890641  : fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6375 16:22:08.897169  <4>[   48.599612] RSP: 0018:ffffa5c403117e40 EFLAGS: 00010286

 6376 16:22:08.910427  # [   35.360911] R13: 0000000000000001 R14: 0000000000020000 R15<4>[   48.611943] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 6377 16:22:08.913735  : 0000000000020000

 6378 16:22:08.923601  # [   35.369175] Modules linked in: fuse ip_<4>[   48.626462] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 6379 16:22:08.939987  tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensor<4>[   48.640929] RBP: ffffffff9ad81bd8 R08: 0000000000000000 R09: 0000000000000000

 6380 16:22:08.952915  s_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2<4>[   48.655449] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6381 16:22:08.966249  _memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cro<4>[   48.669916] R13: ffffa5c403117f10 R14: ffffa5c403117f10 R15: ffff98f0c2dff000

 6382 16:22:08.982734  s_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_<4>[   48.684397] FS:  00007f53805f3580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 6383 16:22:08.995935  lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_u<4>[   48.699969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6384 16:22:09.009192  sbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec<4>[   48.712938] CR2: 00007f53803fd000 CR3: 00000001053ee003 CR4: 00000000003706f0

 6385 16:22:09.019068  _dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chrom<4>[   48.727402] Call Trace:

 6386 16:22:09.025584  eos_pstore cros_kbd_led_backlight coreboot_table

 6387 16:22:09.028852  # [   35.42194<4>[   48.736664]  ? __warn+0x80/0x110

 6388 16:22:09.032631  0] CR2: ffffffff99e5e5ed

 6389 16:22:09.042415  # [   35.425928] ---[ end trace 211684<4>[   48.746740]  ? refcount_warn_saturate+0xba/0x110

 6390 16:22:09.042507  6283a514a6 ]---

 6391 16:22:09.048807  # [   35.431372] RIP: 0010:lkdtm_BUG+0x5/0x10

 6392 16:22:09.052050  <4>[   48.758428]  ? report_bug+0x9e/0xc0

 6393 16:22:09.062230  # [   35.436041] Code: 89 ff e8 1e dc 79 ff 48 c7 c0 ea ff ff ff<4>[   48.768815]  ? handle_bug+0x41/0x90

 6394 16:22:09.074755   eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff <4>[   48.779205]  ? exc_invalid_op+0x14/0x70

 6395 16:22:09.084780  eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44<4>[   48.789987]  ? asm_exc_invalid_op+0x12/0x20

 6396 16:22:09.088100   00 00 83 05 00 67 0b 03

 6397 16:22:09.095100  # [   35.457311] RSP: 0018:ffffa5c4013<4>[   48.801196]  ? refcount_warn_saturate+0xba/0x110

 6398 16:22:09.098451  3fe60 EFLAGS: 00010282

 6399 16:22:09.108339  # [   35.463434] RAX: ffffffff9977b5b0 R<4>[   48.812836]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6400 16:22:09.114893  BX: 0000000000000001 RCX: 0000000000000000

 6401 16:22:09.120926  # [   35.471693] RDX<4>[   48.825476]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 6402 16:22:09.127812  : 0000000000000000 RSI: ffff98f13ad9bf50 RDI: ffffffff9a8f7db0

 6403 16:22:09.131086  <4>[   48.838314]  direct_entry.cold+0x2c/0x38

 6404 16:22:09.144234  # [   35.479951] RBP: ffffffff9ade7fb8 R08: 0000000000000001 R09<4>[   48.849207]  full_proxy_write+0x53/0x80

 6405 16:22:09.144329  : 0000000000000001

 6406 16:22:09.154103  # [   35.488210] R10: 00000000ffffe000 R11: <4>[   48.859988]  vfs_write+0xe7/0x3b0

 6407 16:22:09.157265  3fffffffffffffff R12: 0000000000000004

 6408 16:22:09.164364  # [   35.496470] R13: ff<4>[   48.870211]  ksys_write+0x68/0xf0

 6409 16:22:09.170375  ffa5c40133ff10 R14: ffffa5c40133ff10 R15: ffff98f0c6d8f000

 6410 16:22:09.173890  # [ <4>[   48.880421]  do_syscall_64+0x30/0x40

 6411 16:22:09.186794    35.504722] FS:  00007f356f269580(0000) GS:ffff98f13ac00000(000<4>[   48.890925]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6412 16:22:09.190535  0) knlGS:0000000000000000

 6413 16:22:09.196998  # [   35.514040] CS:  0010 DS: 0000 E<4>[   48.903063] RIP: 0033:0x7f5380509473

 6414 16:22:09.199941  S: 0000 CR0: 0000000080050033

 6415 16:22:09.223547  # [   35.520745] CR2: ffffffff99e<4>[   48.913581] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6416 16:22:09.230303  5e5ed CR3: 0000000103806005 CR4: 00000000003706f0

 6417 16:22:09.239980  # WRITE_KERN:<4>[   48.941060] RSP: 002b:00007ffc9303eb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6418 16:22:09.243210   saw 'call trace:': ok

 6419 16:22:09.246565  ok 41 selftests: lkdtm: WRITE_KERN.sh

 6420 16:22:09.253263  #<4>[   48.956073] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5380509473

 6421 16:22:09.259803   selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 6422 16:22:09.269773  # [   35.643257] lk<4>[   48.970514] RDX: 0000000000000020 RSI: 00007f53803fd000 RDI: 0000000000000001

 6423 16:22:09.272951  dtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 6424 16:22:09.282374  # [   35.654<4>[   48.985015] RBP: 00007f53803fd000 R08: 00007f53803fc010 R09: 0000000000000000

 6425 16:22:09.289545  112] lkdtm: attempting good refcount_inc() without overflow

 6426 16:22:09.299299  # [<4>[   48.999477] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6427 16:22:09.302520     35.661345] lkdtm: attempting bad refcount_inc() overflow

 6428 16:22:09.312118  # [<4>[   49.013966] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6429 16:22:09.315470     35.673874] ------------[ cut here ]------------

 6430 16:22:09.322454  # [   35.679<4>[   49.028449] irq event stamp: 0

 6431 16:22:09.325352  343] refcount_t: saturated; leaking memory.

 6432 16:22:09.335541  # [   35.685002] WA<4>[   49.038346] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6433 16:22:09.351782  RNING: CPU: 2 PID: 2013 at lib/refcount.c:22 refcount_warn_satur<4>[   49.051857] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6434 16:22:09.351892  ate+0x51/0x110

 6435 16:22:09.365599  # [   35.700920] Modules linked in: fuse ip_tabl<4>[   49.067524] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6436 16:22:09.381845  es cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_co<4>[   49.083184] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6437 16:22:09.391830  re videobuf2_vmalloc industrialio_triggered_buffer videobuf2_mem<4>[   49.096696] ---[ end trace 2116846283a514b7 ]---

 6438 16:22:09.404817  ops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec<6>[   49.108358] lkdtm: Saturation detected: still saturated

 6439 16:22:09.434502  _debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6440 16:22:09.440772  # [   35.759912] CPU: 2 PID: 2013 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6441 16:22:09.450390  # [   35.768879] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6442 16:22:09.453935  # [   35.775979] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6443 16:22:09.477064  # [   35.782130] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 69 00 17 02 00 75 ee 48 c7 c7 c8 ca cd 9a c6 05 59 00 17 02 01 e8 d1 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd

 6444 16:22:09.483802  # [   35.803406] RSP: 0018:ffffa5c402847e48 EFLAGS: 00010286

 6445 16:22:09.490275  # [   35.809534] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 6446 16:22:09.499942  # [   35.817797] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50

 6447 16:22:09.507133  # [   35.826061] RBP: ffffffff9ad81ea5 R08: 0000000000000000 R09: 0000000000000000

 6448 16:22:09.516720  # [   35.834340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6449 16:22:09.523164  # [   35.842606] R13: ffffa5c402847f10 R14: ffffa5c402847f10 R15: ffff98f0c2de6000

 6450 16:22:09.533376  # [   35.857077] FS:  00007fe04371d580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000

 6451 16:22:09.540183  # [   35.866407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6452 16:22:09.546193  # [   35.873116] CR2: 00007fe043527000 CR3: 0000000102bbe003 CR4: 00000000003706e0

 6453 16:22:09.549595  # [   35.881389] Call Trace:

 6454 16:22:09.552771  # [   35.884413]  ? __warn+0x80/0x110

 6455 16:22:09.559529  # [   35.888334]  ? refcount_warn_saturate+0x51/0x110

 6456 16:22:09.562660  # [   35.899992]  ? report_bug+0x9e/0xc0

 6457 16:22:09.566148  # [   35.904203]  ? handle_bug+0x41/0x90

 6458 16:22:09.572933  # [   35.908408]  ? exc_invalid_op+0x14/0x70

 6459 16:22:09.576145  # [   35.912981]  ? asm_exc_invalid_op+0x12/0x20

 6460 16:22:09.582626  # [   35.917955]  ? refcount_warn_saturate+0x51/0x110

 6461 16:22:09.589181  # [   35.929608]  ? refcount_warn_saturate+0x51/0x110

 6462 16:22:09.599273  # [   35.935055]  lkdtm_REFCOUNT<6>[   49.302336] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 6463 16:22:09.599399  _INC_OVERFLOW+0x70/0x98

 6464 16:22:09.612072  # [   35.940697]  direct_entry.cold+0x2<6>[   49.314199] lkdtm: attempting good copy_to_user of correct size

 6465 16:22:09.612219  c/0x38

 6466 16:22:09.615993  # [   35.945390]  full_proxy_write+0x53/0x80

 6467 16:22:09.625163  # [   35.9<6>[   49.327347] lkdtm: attempting bad copy_to_user of too large size

 6468 16:22:09.625275  49996]  vfs_write+0xe7/0x3b0

 6469 16:22:09.632122  # [   35.954016]  ksys_write+0x68/0xf0

 6470 16:22:09.635246  # [   35.958038]  do_syscall_64+0x30/0x40

 6471 16:22:09.641988  # [   35.962332]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6472 16:22:09.645274  # [   35.974471] RIP: 0033:0x7fe043633473

 6473 16:22:09.664775  # [   35.978753] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6474 16:22:09.675039  # [   36.000028] RSP: 002b:00007ffcc14bfee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6475 16:22:09.684801  # [   36.008778] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe043633473

 6476 16:22:09.691080  # [   36.017040] RDX: 0000000000000016 RSI: 00007fe043527000 RDI: 0000000000000001

 6477 16:22:09.697705  # [   36.025303] RBP: 00007fe043527000 R08: 00007fe043526010 R09: 0000000000000000

 6478 16:22:09.707537  # [   36.033566] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6479 16:22:09.714411  # [   36.041830] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6480 16:22:09.717934  # [   36.050099] irq event stamp: 0

 6481 16:22:09.727809  # [   36.053825] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6482 16:22:09.734341  # [   36.067343] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6483 16:22:09.750651  # [   36.082974] softirqs last  enabled at (0): [<ffffffff98cfd6cc<6>[   49.456418] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 6484 16:22:09.757368  <6>[   49.465808] lkdtm: attempting good copy_from_user of correct size

 6485 16:22:09.763774  <6>[   49.472939] lkdtm: attempting bad copy_from_user of too large size

 6486 16:22:09.766843  >] copy_process+0x65c/0x20e0

 6487 16:22:09.773480  # [   36.092402] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6488 16:22:09.780250  # [   36.099694] ---[ end trace 2116846283a514a7 ]---

 6489 16:22:09.783228  # [   36.105139] lkdtm: Overflow detected: saturated

 6490 16:22:09.790255  # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok

 6491 16:22:09.793420  ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 6492 16:22:09.799840  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6493 16:22:09.806791  # [   36.213028] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 6494 16:22:09.813480  # [   36.223207] lkdtm: attempting good refcount_add() without overflow

 6495 16:22:09.819763  # [   36.236639] lkdtm: attempting bad refcount_add() overflow

 6496 16:22:09.823021  # [   36.249167] ------------[ cut here ]------------

 6497 16:22:09.829629  # [   36.260871] refcount_t: saturated; leaking memory.

 6498 16:22:09.839477  # [   36.272712] WARNING: CPU: 0 PID: 2046 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6499 16:22:09.888764  # [   36.288678] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobu<6>[   49.593264] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 6500 16:22:09.902145  f2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore c<6>[   49.605778] lkdtm: attempting good copy_to_user inside whitelist

 6501 16:22:09.905725  ros_kbd_led_backlight coreboot_table

 6502 16:22:09.915672  # [   36.347631] CPU: 0 PI<6>[   49.619021] lkdtm: attempting bad copy_to_user outside whitelist

 6503 16:22:09.921810  D: 2046 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6504 16:22:09.928659  # [   36.362811] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6505 16:22:09.935222  # [   36.376091] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6506 16:22:09.955145  # [   36.388428] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 69 00 17 02 00 75 ee 48 c7 c7 c8 ca cd 9a c6 05 59 00 17 02 01 e8 d1 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd

 6507 16:22:09.961551  # [   36.415921] RSP: 0018:ffffa5c4028d7e48 EFLAGS: 00010286

 6508 16:22:09.971307  # [   36.428254] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 6509 16:22:09.978122  # [   36.442749] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 6510 16:22:09.988064  # [   36.457223] RBP: ffffffff9ad81ebb R08: 0000000000000000 R09: 0000000000000000

 6511 16:22:09.994837  # [   36.471714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6512 16:22:10.004134  # [   36.486185] R13: ffffa5c4028d7f10 R14: ffffa5c4028d7f10 R15: ffff98f0c6652000

 6513 16:22:10.010801  # [   36.500667] FS:  00007f36e0c13580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 6514 16:22:10.017716  # [   36.516219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6515 16:22:10.027807  # [   36.529150] CR2: 00007f36e0a1d000 CR3: 0000000106e0c006 CR4: 00000000003706f0

 6516 16:22:10.031095  # [   36.543628] Call Trace:

 6517 16:22:10.034168  # [   36.552897]  ? __warn+0x80/0x110

 6518 16:22:10.040831  #<6>[   49.745436] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 6519 16:22:10.047308  <6>[   49.757993] lkdtm: attempting good copy_from_user inside whitelist

 6520 16:22:10.057299  <6>[   49.765248] lkdtm: attempting bad copy_from_user outside whitelist

 6521 16:22:10.060586   [   36.562986]  ? refcount_warn_saturate+0x51/0x110

 6522 16:22:10.063785  # [   36.574664]  ? report_bug+0x9e/0xc0

 6523 16:22:10.070393  # [   36.585054]  ? handle_bug+0x41/0x90

 6524 16:22:10.073570  # [   36.595461]  ? exc_invalid_op+0x14/0x70

 6525 16:22:10.080187  # [   36.606245]  ? asm_exc_invalid_op+0x12/0x20

 6526 16:22:10.083276  # [   36.617437]  ? refcount_warn_saturate+0x51/0x110

 6527 16:22:10.090340  # [   36.629092]  ? refcount_warn_saturate+0x51/0x110

 6528 16:22:10.093397  # [   36.640764]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 6529 16:22:10.099942  # [   36.652616]  direct_entry.cold+0x2c/0x38

 6530 16:22:10.103215  # [   36.663546]  full_proxy_write+0x53/0x80

 6531 16:22:10.106455  # [   36.674313]  vfs_write+0xe7/0x3b0

 6532 16:22:10.113034  # [   36.684514]  ksys_write+0x68/0xf0

 6533 16:22:10.116353  # [   36.694714]  do_syscall_64+0x30/0x40

 6534 16:22:10.122824  # [   36.705226]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6535 16:22:10.126692  # [   36.717360] RIP: 0033:0x7f36e0b29473

 6536 16:22:10.146021  # [   36.727856] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6537 16:22:10.156054  # [   36.755347] RSP: 002b:00007ffcebb57368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6538 16:22:10.162713  # [   36.770294] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f36e0b29473

 6539 16:22:10.172333  # [   36.778568] RDX: 0000000000000016 RSI: 00007f36e0a1d000 RDI: 0000000000000001

 6540 16:22:10.182089  # [   36.793057] RBP:<6>[   49.884480] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 6541 16:22:10.188506  <6>[   49.897725] lkdtm: good_stack: ffffa5c40348fe20-ffffa5c40348fe40

 6542 16:22:10.195434  <6>[   49.904760] lkdtm: bad_stack : ffffa5c40348fda8-ffffa5c40348fdc8

 6543 16:22:10.201642  <6>[   49.911816] lkdtm: attempting good copy_to_user of local stack

 6544 16:22:10.208199   00007f36e0a1d000 R08: 00007f36e0a1c010 R09: 0000000000000000

 6545 16:22:10.214779  #<6>[   49.918637] lkdtm: attempting bad copy_to_user of distant stack

 6546 16:22:10.224766   [   36.807531] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6547 16:22:10.231981  # [   36.822019] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6548 16:22:10.234575  # [   36.836520] irq event stamp: 0

 6549 16:22:10.241641  # [   36.846433] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6550 16:22:10.251090  # [   36.859929] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6551 16:22:10.260946  # [   36.875574] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6552 16:22:10.267695  # [   36.891262] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6553 16:22:10.274338  # [   36.904789] ---[ end trace 2116846283a514a8 ]---

 6554 16:22:10.277516  # [   36.916456] lkdtm: Overflow detected: saturated

 6555 16:22:10.284511  # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok

 6556 16:22:10.287220  ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6557 16:22:10.294417  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6558 16:22:10.300675  # [   37.036079] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 6559 16:22:10.307473  # [   37.047805] lkdtm: attempting bad refcount_inc_not_zero() overflow

 6560 16:22:10.314127  # [   37.061211] ------------[ cut here ]------------

 6561 16:22:10.320672  # [   37.072869] refcount_t: saturated; leaking memory.

 6562 16:22:10.330606  # [   37.084731] WARNING: CPU: 0 PID: 2079 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6563 16:22:10.340215  # [   37.100660] Modules linked in: fuse ip_ta<6>[   50.046231] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 6564 16:22:10.353469  bles cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_<6>[   50.057294] lkdtm: good_stack: ffffa5c403527e20-ffffa5c403527e40

 6565 16:22:10.366834  core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_m<6>[   50.070493] lkdtm: bad_stack : ffffa5c403527da8-ffffa5c403527dc8

 6566 16:22:10.379884  emops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_<6>[   50.083746] lkdtm: attempting good copy_from_user of local stack

 6567 16:22:10.393177  ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_li<6>[   50.096977] lkdtm: attempting bad copy_from_user of distant stack

 6568 16:22:10.416268  ghtbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6569 16:22:10.426033  # [   37.159649] CPU: 0 PID: 2079 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6570 16:22:10.432644  # [   37.174824] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6571 16:22:10.439186  # [   37.188191] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6572 16:22:10.458902  # [   37.200497] Code: 02 01 e8 ae e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd 9a c6 05 14 00 17 02 01 e8 8b e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd

 6573 16:22:10.465438  # [   37.228026] RSP: 0018:ffffa5c40295fe38 EFLAGS: 00010282

 6574 16:22:10.475323  # [   37.240363] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 6575 16:22:10.481978  # [   37.254835] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 6576 16:22:10.492286  # [   37.269296] RBP: ffffffff9ad81af8 R08: 0000000000000000 R09: 0000000000000000

 6577 16:22:10.498665  # [   37.283772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6578 16:22:10.508563  # [   37.298249] R13: ffffa5c40295ff10 R14: ffffa5c40295ff10 R15: ffff98f0c2e2f000

 6579 16:22:10.518651  # [   37.312740] FS:  00007f15833d4580(0000) GS:fff<6>[   50.227065] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 6580 16:22:10.524859  <6>[   50.235376] lkdtm: good_stack: ffffa5c4035a7e20-ffffa5c4035a7e40

 6581 16:22:10.531447  <6>[   50.242414] lkdtm: bad_stack : ffffa5c4035a7ff8-ffffa5c4035a8018

 6582 16:22:10.541690  <6>[   50.249474] lkdtm: attempting good copy_to_user of local stack

 6583 16:22:10.544918  f98f13ac00000(0000) knlGS:0000000000000000

 6584 16:22:10.554502  # [   37.328305] CS:<6>[   50.256298] lkdtm: attempting bad copy_to_user of distant stack

 6585 16:22:10.557641  <4>[   50.269414] lkdtm: copy_to_user failed, but lacked Oops

 6586 16:22:10.564062    0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6587 16:22:10.570885  # [   37.341260] CR2: 00007f15831de000 CR3: 0000000104866004 CR4: 00000000003706f0

 6588 16:22:10.574178  # [   37.355718] Call Trace:

 6589 16:22:10.577505  # [   37.364966]  ? __warn+0x80/0x110

 6590 16:22:10.584241  # [   37.375069]  ? refcount_warn_saturate+0x97/0x110

 6591 16:22:10.587437  # [   37.386745]  ? report_bug+0x9e/0xc0

 6592 16:22:10.590527  # [   37.397137]  ? handle_bug+0x41/0x90

 6593 16:22:10.597498  # [   37.407546]  ? exc_invalid_op+0x14/0x70

 6594 16:22:10.600803  # [   37.418347]  ? asm_exc_invalid_op+0x12/0x20

 6595 16:22:10.607158  # [   37.429524]  ? refcount_warn_saturate+0x97/0x110

 6596 16:22:10.613512  # [   37.441177]  ? refcount_warn_saturate+0x97/0x110

 6597 16:22:10.616826  # [   37.452847]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6598 16:22:10.623537  # [   37.465469]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 6599 16:22:10.630227  # [   37.478208]  direct_entry.cold+0x2c/0x38

 6600 16:22:10.633295  # [   37.489094]  full_proxy_write+0x53/0x80

 6601 16:22:10.636522  # [   37.499890]  vfs_write+0xe7/0x3b0

 6602 16:22:10.640020  # [   37.510088]  ksys_write+0x68/0xf0

 6603 16:22:10.646477  # [   37.520299]  do_syscall_64+0x30/0x40

 6604 16:22:10.653021  # [   37.530794]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6605 16:22:10.656707  # [   37.542979] RIP: 0033:0x7f15832ea473

 6606 16:22:10.675923  # [   37.553479] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6607 16:22:10.682862  # <6>[   50.388511] lkdtm: Performing direct entry USERCOPY_KERNEL

 6608 16:22:10.699185  [   37.580970] RSP: 002b:00007ffd2a66ce38 EFLAGS: 00000246 ORIG_<6>[   50.400116] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9a8f8250

 6609 16:22:10.702768  RAX: 0000000000000001

 6610 16:22:10.712553  # [   37.595937] RAX: ffffffffffffffda RB<6>[   50.415307] lkdtm: attempting bad copy_to_user from kernel text: ffffffff98ee2ad0

 6611 16:22:10.719417  <3>[   50.430141] lkdtm: FAIL: survived bad copy_to_user()

 6612 16:22:10.722746  X: 000000000000001f RCX: 00007f15832ea473

 6613 16:22:10.732304  # [   37.610487] RDX: 000000000000001f RSI: 00007f15831de000 RDI: 0000000000000001

 6614 16:22:10.739022  # [   37.624941] RBP: 00007f15831de000 R08: 00007f15831dd010 R09: 0000000000000000

 6615 16:22:10.748506  # [   37.639424] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6616 16:22:10.755157  # [   37.653927] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6617 16:22:10.758398  # [   37.668381] irq event stamp: 0

 6618 16:22:10.768662  # [   37.678290] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6619 16:22:10.775261  # [   37.691806] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6620 16:22:10.785133  # [   37.707509] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6621 16:22:10.791476  # [   37.723138] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6622 16:22:10.798146  # [   37.736643] ---[ end trace 2116846283a514a9 ]---

 6623 16:22:10.804792  # [   37.748313] lkdtm: Overflow detected: saturated

 6624 16:22:10.807922  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6625 16:22:10.814165  ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6626 16:22:10.821320  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6627 16:22:10.827889  # [   37.863018] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 6628 16:22:10.834235  # [   37.873434] lkdtm: attempting bad refcount_add_not_zero() overflow

 6629 16:22:10.840785  # [   37.880641] ------------[ cut here ]------------

 6630 16:22:10.850687  # [   37.892298] refcount_t: saturat<6>[   50.555053] lkdtm: Performing direct entry STACKLEAK_ERASING

 6631 16:22:10.857076  <6>[   50.566908] lkdtm: checking unused part of the thread stack (15928 bytes)...

 6632 16:22:10.866812  <3>[   50.575112] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 6633 16:22:10.873577  <3>[   50.583216] lkdtm: FAIL: the thread stack is NOT properly erased

 6634 16:22:10.883379  <4>[   50.590220] CPU: 2 PID: 2941 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6635 16:22:10.889840  <4>[   50.599161] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6636 16:22:10.893512  <4>[   50.606255] Call Trace:

 6637 16:22:10.896833  <4>[   50.609278]  dump_stack+0x77/0x9b

 6638 16:22:10.903497  <4>[   50.613299]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 6639 16:22:10.906215  <4>[   50.618744]  direct_entry.cold+0x2c/0x38

 6640 16:22:10.912864  <4>[   50.623413]  full_proxy_write+0x53/0x80

 6641 16:22:10.916645  <4>[   50.627987]  vfs_write+0xe7/0x3b0

 6642 16:22:10.919571  <4>[   50.631976]  ksys_write+0x68/0xf0

 6643 16:22:10.922825  <4>[   50.635967]  do_syscall_64+0x30/0x40

 6644 16:22:10.929878  <4>[   50.640246]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6645 16:22:10.933192  <4>[   50.646178] RIP: 0033:0x7f29d0902473

 6646 16:22:10.956106  <4>[   50.650448] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6647 16:22:10.962741  <4>[   50.671723] RSP: 002b:00007fff6b97b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6648 16:22:10.972640  <4>[   50.680464] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f29d0902473

 6649 16:22:10.978961  <4>[   50.688716] RDX: 0000000000000012 RSI: 00007f29d07f6000 RDI: 0000000000000001

 6650 16:22:10.988839  <4>[   50.696976] RBP: 00007f29d07f6000 R08: 00007f29d07f5010 R09: 0000000000000000

 6651 16:22:10.998467  <4>[   50.705238] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6652 16:22:11.005298  <4>[   50.713498] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6653 16:22:11.008291  ed; leaking memory.

 6654 16:22:11.018180  # [   37.897999] WARNING: CPU: 2 PID: 2112 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6655 16:22:11.071170  # [   37.907723] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6656 16:22:11.077490  # [   37.966699] CPU: 2 PID: 2112 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6657 16:22:11.084393  # [   37.975654] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6658 16:22:11.090913  # [   37.988961] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6659 16:22:11.113943  # [   37.995088] Code: 02 01 e8 ae e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd 9a c6 05 14 00 17 02 01 e8 8b e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd

 6660 16:22:11.124017  # [   38.016379] RSP: 0018:ffffa5c4029dfe38 EFL<6>[   50.833317] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 6661 16:22:11.130736  <6>[   50.840280] lkdtm: Calling matched prototype ...

 6662 16:22:11.130853  AGS: 00010282

 6663 16:22:11.140315  # [   38.022540] RAX: 0000000000000000 RBX: 00000<6>[   50.845733] lkdtm: Calling mismatched prototype ...

 6664 16:22:11.143942  0007fffffff RCX: 0000000000000000

 6665 16:22:11.153958  # [   38.030803] RDX: ffff98f<6>[   50.857687] lkdtm: Fail: survived mismatched prototype function call!

 6666 16:22:11.160504  13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50

 6667 16:22:11.167166  # [   38.039064] RBP: ffffffff9ad81b18 R08: 0000000000000000 R09: 0000000000000000

 6668 16:22:11.176563  # [   38.047338] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6669 16:22:11.183648  # [   38.055602] R13: ffffa5c4029dff10 R14: ffffa5c4029dff10 R15: ffff98f0c6e46000

 6670 16:22:11.193088  # [   38.070076] FS:  00007f7646c73580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000

 6671 16:22:11.199548  # [   38.079405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6672 16:22:11.209700  # [   38.086115] CR2: 00007f7646a7d000 CR3: 0000000102ba6006 CR4: 00000000003706e0

 6673 16:22:11.212863  # [   38.094383] Call Trace:

 6674 16:22:11.216121  # [   38.097405]  ? __warn+0x80/0x110

 6675 16:22:11.219982  # [   38.101340]  ? refcount_warn_saturate+0x97/0x110

 6676 16:22:11.226096  # [   38.106789]  ? report_bug+0x9e/0xc0

 6677 16:22:11.229352  # [   38.117186]  ? handle_bug+0x41/0x90

 6678 16:22:11.232629  # [   38.121394]  ? exc_invalid_op+0x14/0x70

 6679 16:22:11.239277  # [   38.125967]  ? asm_exc_invalid_op+0x12/0x20

 6680 16:22:11.245649  # [   38.130933]  ? refcount_warn_saturate+0x97/0x110

 6681 16:22:11.249137  # [   38.136410]  ? refcount_warn_saturate+0x97/0x110

 6682 16:22:11.255420  # [   38.141858]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6683 16:22:11.262077  # [   38.148276]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 6684 16:22:11.268752  # [   38.154793]  direct_entry.cold+0x2c/0x38

 6685 16:22:11.271891  # [   38.159466]  full_proxy_write+0x53/0x80

 6686 16:22:11.275254  # [   38.164042]  vfs_write+0xe7/0x3b0

 6687 16:22:11.282233  # [   38.168034]  ksys_write+0x68/0xf0

 6688 16:22:11.285331  # [   38.172026]  do_syscall_64+0x30/0x40

 6689 16:22:11.291608  # [   38.176307]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6690 16:22:11.294866  # [   38.182264] RIP: 0033:0x7f7646b89473

 6691 16:22:11.317943  # [   38.186546] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6692 16:22:11.324417  # [   38.207821] RSP: 002b:00007fff776815e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6693 16:22:11.334253  # [   38.216569] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7646b89473

 6694 16:22:11.343920  # [   38.224832] RDX: 000000000000001f RSI: 00007f7646a7d000 RDI: 0000000000000001

 6695 16:22:11.350603  # [   38.233095] RBP: 00007f7646a7d000 R08: 00007f7646a7c010 R09: 0000000000000000

 6696 16:22:11.360979  # [   38.241371] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6697 16:22:11.366905  # [   38.249666] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6698 16:22:11.373547  # [   38.257932] irq event stamp: 0

 6699 16:22:11.380284  # [   38.261636] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6700 16:22:11.390166  # [   38.268933] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6701 16:22:11.399850  # [   38.284575] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6702 16:22:11.406310  # [   38.294005] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6703 16:22:11.413251  # [   38.301298] ---[ end trace 2116846283a514aa ]---

 6704 16:22:11.415959  # [   38.306746] lkdtm: Overflow detected: saturated

 6705 16:22:11.422541  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6706 16:22:11.429182  ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6707 16:22:11.432631  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6708 16:22:11.439059  # [   38.416439] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 6709 16:22:11.445879  # [   38.424401] lkdtm: attempting good refcount_dec()

 6710 16:22:11.452419  # [   38.429978] lkdtm: attempting bad refcount_dec() to zero

 6711 16:22:11.455746  # [   38.436206] ------------[ cut here ]------------

 6712 16:22:11.462000  # [   38.441677] refcount_t: decrement hit 0; leaking memory.

 6713 16:22:11.471937  # [   38.447931] WARNING: CPU: 2 PID: 2145 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6714 16:22:11.527984  # [   38.457656] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6715 16:22:11.534486  # [   38.516617] CPU: 2 PID: 2145 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6716 16:22:11.544522  # [   38.525588] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6717 16:22:11.551025  # [   38.532688] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6718 16:22:11.570852  # [   38.538817] Code: 78 cb cd 9a c6 05 c5 ff 16 02 01 e8 41 e6 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 48 cb cd 9a c6 05 ac ff 16 02 01 e8 27 e6 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6719 16:22:11.577289  # [   38.560119] RSP: 0018:ffffa5c402a37e48 EFLAGS: 00010286

 6720 16:22:11.587120  # [   38.566251] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 6721 16:22:11.593749  # [   38.574546] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50

 6722 16:22:11.603344  # [   38.582811] RBP: ffffffff9ad81ed1 R08: 0000000000000000 R09: 0000000000000000

 6723 16:22:11.610292  # [   38.591075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6724 16:22:11.620206  # [   38.599341] R13: ffffa5c402a37f10 R14: ffffa5c402a37f10 R15: ffff98f0c2e2e000

 6725 16:22:11.629783  # [   38.613828] FS:  00007f7e4bcd3580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000

 6726 16:22:11.636223  # [   38.623195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6727 16:22:11.646099  # [   38.629929] CR2: 00007f7e4badd000 CR3: 0000000102ab0001 CR4: 00000000003706e0

 6728 16:22:11.646208  # [   38.638194] Call Trace:

 6729 16:22:11.653068  # [   38.641218]  ? __warn+0x80/0x110

 6730 16:22:11.656130  # [   38.645144]  ? refcount_warn_saturate+0xfb/0x110

 6731 16:22:11.662872  # [   38.650592]  ? report_bug+0x9e/0xc0

 6732 16:22:11.666350  # [   38.654804]  ? handle_bug+0x41/0x90

 6733 16:22:11.669446  # [   38.659011]  ? exc_invalid_op+0x14/0x70

 6734 16:22:11.675557  # [   38.663586]  ? asm_exc_invalid_op+0x12/0x20

 6735 16:22:11.679001  # [   38.668552]  ? refcount_warn_saturate+0xfb/0x110

 6736 16:22:11.685427  # [   38.674025]  ? refcount_warn_saturate+0xfb/0x110

 6737 16:22:11.692205  # [   38.685681]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 6738 16:22:11.695474  # [   38.690935]  direct_entry.cold+0x2c/0x38

 6739 16:22:11.702172  # [   38.695608]  full_proxy_write+0x53/0x80

 6740 16:22:11.705285  # [   38.700183]  vfs_write+0xe7/0x3b0

 6741 16:22:11.708360  # [   38.704199]  ksys_write+0x68/0xf0

 6742 16:22:11.712217  # [   38.708192]  do_syscall_64+0x30/0x40

 6743 16:22:11.718845  # [   38.712474]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6744 16:22:11.721484  # [   38.718407] RIP: 0033:0x7f7e4bbe9473

 6745 16:22:11.744751  # [   38.722691] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6746 16:22:11.754588  # [   38.743967] RSP: 002b:00007ffd5673c0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6747 16:22:11.761570  # [   38.752717] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7e4bbe9473

 6748 16:22:11.770880  # [   38.760981] RDX: 0000000000000012 RSI: 00007f7e4badd000 RDI: 0000000000000001

 6749 16:22:11.777486  # [   38.769243] RBP: 00007f7e4badd000 R08: 00007f7e4badc010 R09: 0000000000000000

 6750 16:22:11.787586  # [   38.777507] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6751 16:22:11.797067  # [   38.785772] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6752 16:22:11.800312  # [   38.794039] irq event stamp: 0

 6753 16:22:11.807204  # [   38.797759] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6754 16:22:11.817205  # [   38.805052] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6755 16:22:11.826674  # [   38.814482] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6756 16:22:11.833331  # [   38.823911] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6757 16:22:11.840322  # [   38.831207] ---[ end trace 2116846283a514ab ]---

 6758 16:22:11.843534  # [   38.836653] lkdtm: Zero detected: saturated

 6759 16:22:11.850099  # REFCOUNT_DEC_ZERO: saw 'call trace:': ok

 6760 16:22:11.853401  ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6761 16:22:11.856730  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6762 16:22:11.866447  # [   39.284623] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6763 16:22:11.872834  # [   39.292182] lkdtm: attempting bad refcount_dec() below zero

 6764 16:22:11.875900  # [   39.298720] ------------[ cut here ]------------

 6765 16:22:11.882668  # [   39.304185] refcount_t: decrement hit 0; leaking memory.

 6766 16:22:11.892349  # [   39.310447] WARNING: CPU: 3 PID: 2181 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6767 16:22:11.948518  # [   39.320177] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6768 16:22:11.955091  # [   39.379126] CPU: 3 PID: 2181 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6769 16:22:11.965172  # [   39.388104] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6770 16:22:11.971773  # [   39.395233] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6771 16:22:11.991595  # [   39.401365] Code: 78 cb cd 9a c6 05 c5 ff 16 02 01 e8 41 e6 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 48 cb cd 9a c6 05 ac ff 16 02 01 e8 27 e6 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6772 16:22:11.998260  # [   39.422667] RSP: 0018:ffffa5c402ae7e48 EFLAGS: 00010286

 6773 16:22:12.007471  # [   39.428795] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6774 16:22:12.014175  # [   39.437058] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50

 6775 16:22:12.024231  # [   39.445342] RBP: ffffffff9ad81ee3 R08: 0000000000000000 R09: 0000000000000000

 6776 16:22:12.030542  # [   39.453612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6777 16:22:12.040889  # [   39.468086] R13: ffffa5c402ae7f10 R14: ffffa5c402ae7f10 R15: ffff98f0c2bdb000

 6778 16:22:12.050354  # [   39.476351] FS:  00007f62acfa3580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 6779 16:22:12.056979  # [   39.485686] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6780 16:22:12.063458  # [   39.492398] CR2: 00007f62acdad000 CR3: 0000000102dcc001 CR4: 00000000003706e0

 6781 16:22:12.066569  # [   39.500662] Call Trace:

 6782 16:22:12.070188  # [   39.503685]  ? __warn+0x80/0x110

 6783 16:22:12.076492  # [   39.507613]  ? refcount_warn_saturate+0xfb/0x110

 6784 16:22:12.080108  # [   39.513092]  ? report_bug+0x9e/0xc0

 6785 16:22:12.086431  # [   39.517330]  ? handle_bug+0x41/0x90

 6786 16:22:12.089580  # [   39.521526]  ? exc_invalid_op+0x14/0x70

 6787 16:22:12.096438  # [   39.532329]  ? asm_exc_invalid_op+0x12/0x20

 6788 16:22:12.099736  # [   39.537309]  ? refcount_warn_saturate+0xfb/0x110

 6789 16:22:12.106340  # [   39.548960]  ? refcount_warn_saturate+0xfb/0x110

 6790 16:22:12.112973  # [   39.554411]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6791 16:22:12.116276  # [   39.560057]  direct_entry.cold+0x2c/0x38

 6792 16:22:12.119608  # [   39.564760]  full_proxy_write+0x53/0x80

 6793 16:22:12.126277  # [   39.569361]  vfs_write+0xe7/0x3b0

 6794 16:22:12.129593  # [   39.573394]  ksys_write+0x68/0xf0

 6795 16:22:12.132803  # [   39.577400]  do_syscall_64+0x30/0x40

 6796 16:22:12.139556  # [   39.581713]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6797 16:22:12.142852  # [   39.587647] RIP: 0033:0x7f62aceb9473

 6798 16:22:12.165954  # [   39.591931] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6799 16:22:12.175375  # [   39.613219] RSP: 002b:00007ffe9ade6da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6800 16:22:12.182572  # [   39.628178] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f62aceb9473

 6801 16:22:12.191795  # [   39.636444] RDX: 0000000000000016 RSI: 00007f62acdad000 RDI: 0000000000000001

 6802 16:22:12.198614  # [   39.644708] RBP: 00007f62acdad000 R08: 00007f62acdac010 R09: 0000000000000000

 6803 16:22:12.208332  # [   39.652974] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6804 16:22:12.215042  # [   39.661237] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6805 16:22:12.221354  # [   39.669505] irq event stamp: 0

 6806 16:22:12.228163  # [   39.673235] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6807 16:22:12.237753  # [   39.680530] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6808 16:22:12.247408  # [   39.689960] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6809 16:22:12.253977  # [   39.699394] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6810 16:22:12.260698  # [   39.706689] ---[ end trace 2116846283a514ac ]---

 6811 16:22:12.263881  # [   39.712136] lkdtm: Negative detected: saturated

 6812 16:22:12.271038  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 6813 16:22:12.277638  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6814 16:22:12.280675  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6815 16:22:12.290462  # [   39.831492] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6816 16:22:12.297137  # [   39.843494] lkdtm: attempting bad refcount_dec_and_test() below zero

 6817 16:22:12.303702  # [   39.850891] ------------[ cut here ]------------

 6818 16:22:12.310140  # [   39.856374] refcount_t: underflow; use-after-free.

 6819 16:22:12.319965  # [   39.862053] WARNING: CPU: 3 PID: 2217 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6820 16:22:12.372865  # [   39.871785] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6821 16:22:12.382279  # [   39.930742] CPU: 3 PID: 2217 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6822 16:22:12.389151  # [   39.939686] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6823 16:22:12.395475  # [   39.946788] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6824 16:22:12.418570  # [   39.952917] Code: 02 01 e8 8b e6 c5 00 0f 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 9a c6 05 ee ff 16 02 01 e8 68 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d d9 ff 16 02 00 0f 85 5e ff ff ff 48 c7

 6825 16:22:12.421949  # [   39.974196] RSP: 0018:ffffa5c402b47e40 EFLAGS: 00010286

 6826 16:22:12.431930  # [   39.980341] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6827 16:22:12.441624  # [   39.988606] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50

 6828 16:22:12.448462  # [   39.996870] RBP: ffffffff9ad81b38 R08: 0000000000000000 R09: 0000000000000000

 6829 16:22:12.457798  # [   40.005133] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6830 16:22:12.464813  # [   40.013398] R13: ffffa5c402b47f10 R14: ffffa5c402b47f10 R15: ffff98f0c2d53000

 6831 16:22:12.474680  # [   40.021663] FS:  00007f5daabc0580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 6832 16:22:12.481002  # [   40.030998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6833 16:22:12.491086  # [   40.037708] CR2: 00007f5daa9ca000 CR3: 00000001027be006 CR4: 00000000003706e0

 6834 16:22:12.494288  # [   40.045972] Call Trace:

 6835 16:22:12.497900  # [   40.048997]  ? __warn+0x80/0x110

 6836 16:22:12.500992  # [   40.052924]  ? refcount_warn_saturate+0xba/0x110

 6837 16:22:12.507512  # [   40.058375]  ? report_bug+0x9e/0xc0

 6838 16:22:12.510788  # [   40.062611]  ? handle_bug+0x41/0x90

 6839 16:22:12.513976  # [   40.066826]  ? exc_invalid_op+0x14/0x70

 6840 16:22:12.520506  # [   40.071401]  ? asm_exc_invalid_op+0x12/0x20

 6841 16:22:12.527146  # [   40.076382]  ? refcount_warn_saturate+0xba/0x110

 6842 16:22:12.533836  # [   40.081866]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6843 16:22:12.540348  # [   40.088336]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6844 16:22:12.543649  # [   40.094853]  direct_entry.cold+0x2c/0x38

 6845 16:22:12.546861  # [   40.099526]  full_proxy_write+0x53/0x80

 6846 16:22:12.553327  # [   40.104105]  vfs_write+0xe7/0x3b0

 6847 16:22:12.557112  # [   40.108127]  ksys_write+0x68/0xf0

 6848 16:22:12.560326  # [   40.112121]  do_syscall_64+0x30/0x40

 6849 16:22:12.566826  # [   40.116434]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6850 16:22:12.570237  # [   40.122370] RIP: 0033:0x7f5daaad6473

 6851 16:22:12.592983  # [   40.126685] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6852 16:22:12.603024  # [   40.147964] RSP: 002b:00007ffd514f8618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6853 16:22:12.609481  # [   40.156714] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5daaad6473

 6854 16:22:12.618996  # [   40.164985] RDX: 000000000000001f RSI: 00007f5daa9ca000 RDI: 0000000000000001

 6855 16:22:12.625911  # [   40.173282] RBP: 00007f5daa9ca000 R08: 00007f5daa9c9010 R09: 0000000000000000

 6856 16:22:12.635956  # [   40.181545] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6857 16:22:12.642530  # [   40.189810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6858 16:22:12.649015  # [   40.198080] irq event stamp: 0

 6859 16:22:12.655528  # [   40.201809] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6860 16:22:12.665675  # [   40.209105] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6861 16:22:12.675575  # [   40.218536] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6862 16:22:12.682020  # [   40.227965] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6863 16:22:12.685217  # [   40.235259] ---[ end trace 2116846283a514ad ]---

 6864 16:22:12.692081  # [   40.240708] lkdtm: Negative detected: saturated

 6865 16:22:12.698703  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6866 16:22:12.704927  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6867 16:22:12.711932  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6868 16:22:12.718297  # [   41.221954] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6869 16:22:12.728278  # [   41.230020] lkdtm: attempting bad refcount_sub_and_test() below zero

 6870 16:22:12.731334  # [   41.243625] ------------[ cut here ]------------

 6871 16:22:12.737534  # [   41.255294] refcount_t: underflow; use-after-free.

 6872 16:22:12.747765  # [   41.267176] WARNING: CPU: 0 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6873 16:22:12.800066  # [   41.283075] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6874 16:22:12.810168  # [   41.342034] CPU: 0 PID: 2253 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6875 16:22:12.816527  # [   41.357211] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6876 16:22:12.823226  # [   41.370492] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6877 16:22:12.846143  # [   41.382880] Code: 02 01 e8 8b e6 c5 00 0f 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 9a c6 05 ee ff 16 02 01 e8 68 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d d9 ff 16 02 00 0f 85 5e ff ff ff 48 c7

 6878 16:22:12.852124  # [   41.410357] RSP: 0018:ffffa5c402befe40 EFLAGS: 00010286

 6879 16:22:12.862018  # [   41.422716] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6880 16:22:12.869090  # [   41.437203] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 6881 16:22:12.878426  # [   41.451700] RBP: ffffffff9ad81b58 R08: 0000000000000000 R09: 0000000000000000

 6882 16:22:12.885301  # [   41.466144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6883 16:22:12.895110  # [   41.480665] R13: ffffa5c402beff10 R14: ffffa5c402beff10 R15: ffff98f0c4815000

 6884 16:22:12.904568  # [   41.495136] FS:  00007f7cba3bf580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 6885 16:22:12.911537  # [   41.510671] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6886 16:22:12.917781  # [   41.523651] CR2: 00007f7cba1c9000 CR3: 0000000106efe002 CR4: 00000000003706f0

 6887 16:22:12.921463  # [   41.538084] Call Trace:

 6888 16:22:12.924899  # [   41.547384]  ? __warn+0x80/0x110

 6889 16:22:12.931518  # [   41.557432]  ? refcount_warn_saturate+0xba/0x110

 6890 16:22:12.934833  # [   41.569126]  ? report_bug+0x9e/0xc0

 6891 16:22:12.941255  # [   41.579494]  ? handle_bug+0x41/0x90

 6892 16:22:12.944613  # [   41.589921]  ? exc_invalid_op+0x14/0x70

 6893 16:22:12.951038  # [   41.600693]  ? asm_exc_invalid_op+0x12/0x20

 6894 16:22:12.954392  # [   41.611887]  ? refcount_warn_saturate+0xba/0x110

 6895 16:22:12.960953  # [   41.623537]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6896 16:22:12.967096  # [   41.636182]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6897 16:22:12.974194  # [   41.648903]  direct_entry.cold+0x2c/0x38

 6898 16:22:12.977031  # [   41.659812]  full_proxy_write+0x53/0x80

 6899 16:22:12.980439  # [   41.670586]  vfs_write+0xe7/0x3b0

 6900 16:22:12.983705  # [   41.680810]  ksys_write+0x68/0xf0

 6901 16:22:12.990051  # [   41.691003]  do_syscall_64+0x30/0x40

 6902 16:22:12.996952  # [   41.701508]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6903 16:22:13.000294  # [   41.713651] RIP: 0033:0x7f7cba2d5473

 6904 16:22:13.023062  # [   41.724159] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6905 16:22:13.029979  # [   41.751640] RSP: 002b:00007ffebe8aa398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6906 16:22:13.040016  # [   41.766632] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7cba2d5473

 6907 16:22:13.046071  # [   41.781095] RDX: 000000000000001f RSI: 00007f7cba1c9000 RDI: 0000000000000001

 6908 16:22:13.055920  # [   41.795585] RBP: 00007f7cba1c9000 R08: 00007f7cba1c8010 R09: 0000000000000000

 6909 16:22:13.065783  # [   41.810053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6910 16:22:13.072416  # [   41.824526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6911 16:22:13.075563  # [   41.839006] irq event stamp: 0

 6912 16:22:13.082559  # [   41.848906] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6913 16:22:13.091973  # [   41.856208] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6914 16:22:13.102186  # [   41.871862] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6915 16:22:13.111482  # [   41.887502] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6916 16:22:13.114867  # [   41.901022] ---[ end trace 2116846283a514ae ]---

 6917 16:22:13.121617  # [   41.912678] lkdtm: Negative detected: saturated

 6918 16:22:13.128089  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6919 16:22:13.134671  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6920 16:22:13.138005  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6921 16:22:13.144541  # [   42.031222] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6922 16:22:13.154180  # [   42.042723] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6923 16:22:13.157452  # [   42.056345] lkdtm: Good: zero detected

 6924 16:22:13.161135  # [   42.067037] lkdtm: Correctly stayed at zero

 6925 16:22:13.167608  # [   42.078214] lkdtm: attempting bad refcount_inc() from zero

 6926 16:22:13.174284  # [   42.090850] ------------[ cut here ]------------

 6927 16:22:13.180674  # [   42.102512] refcount_t: addition on 0; use-after-free.

 6928 16:22:13.190275  # [   42.114792] WARNING: CPU: 1 PID: 2286 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6929 16:22:13.246003  # [   42.130697] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6930 16:22:13.252692  # [   42.189652] CPU: 1 PID: 2286 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6931 16:22:13.262470  # [   42.204810] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6932 16:22:13.265927  # [   42.218123] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6933 16:22:13.288989  # [   42.230466] Code: 02 01 e8 d1 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd 9a c6 05 35 00 17 02 01 e8 ae e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd

 6934 16:22:13.295686  # [   42.251764] RSP: 0018:ffffa5c402c7fe48 EFLAGS: 00010286

 6935 16:22:13.302236  # [   42.264082] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6936 16:22:13.312186  # [   42.278556] RDX: ffff98f13acac620 RSI: ffff98f13ac9bf50 RDI: ffff98f13ac9bf50

 6937 16:22:13.322147  # [   42.286821] RBP: ffffffff9ad81ef9 R08: 0000000000000000 R09: 0000000000000000

 6938 16:22:13.328659  # [   42.301294] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6939 16:22:13.338238  # [   42.309556] R13: ffffa5c402c7ff10 R14: ffffa5c402c7ff10 R15: ffff98f0c5a05000

 6940 16:22:13.347973  # [   42.324030] FS:  00007f9cc7576580(0000) GS:ffff98f13ac80000(0000) knlGS:0000000000000000

 6941 16:22:13.354529  # [   42.333363] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6942 16:22:13.361063  # [   42.346280] CR2: 00007f9cc7380000 CR3: 00000001038c6005 CR4: 00000000003706e0

 6943 16:22:13.364262  # [   42.354545] Call Trace:

 6944 16:22:13.367574  # [   42.357569]  ? __warn+0x80/0x110

 6945 16:22:13.374493  # [   42.367675]  ? refcount_warn_saturate+0x74/0x110

 6946 16:22:13.378027  # [   42.373126]  ? report_bug+0x9e/0xc0

 6947 16:22:13.381233  # [   42.383520]  ? handle_bug+0x41/0x90

 6948 16:22:13.387573  # [   42.393920]  ? exc_invalid_op+0x14/0x70

 6949 16:22:13.390883  # [   42.398519]  ? asm_exc_invalid_op+0x12/0x20

 6950 16:22:13.397505  # [   42.409694]  ? refcount_warn_saturate+0x74/0x110

 6951 16:22:13.403891  # [   42.421355]  ? refcount_warn_saturate+0x74/0x110

 6952 16:22:13.407756  # [   42.433018]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6953 16:22:13.413679  # [   42.438273]  direct_entry.cold+0x2c/0x38

 6954 16:22:13.417079  # [   42.449155]  full_proxy_write+0x53/0x80

 6955 16:22:13.420357  # [   42.459945]  vfs_write+0xe7/0x3b0

 6956 16:22:13.426913  # [   42.470155]  ksys_write+0x68/0xf0

 6957 16:22:13.430217  # [   42.480374]  do_syscall_64+0x30/0x40

 6958 16:22:13.436589  # [   42.484686]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6959 16:22:13.439883  # [   42.496826] RIP: 0033:0x7f9cc748c473

 6960 16:22:13.463243  # [   42.501109] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6961 16:22:13.472876  # [   42.528591] RSP: 002b:00007ffc12308fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6962 16:22:13.479296  # [   42.537343] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9cc748c473

 6963 16:22:13.489102  # [   42.551814] RDX: 0000000000000012 RSI: 00007f9cc7380000 RDI: 0000000000000001

 6964 16:22:13.495447  # [   42.560078] RBP: 00007f9cc7380000 R08: 00007f9cc737f010 R09: 0000000000000000

 6965 16:22:13.505905  # [   42.574551] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6966 16:22:13.512088  # [   42.582815] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6967 16:22:13.515297  # [   42.597292] irq event stamp: 0

 6968 16:22:13.525390  # [   42.607202] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6969 16:22:13.534880  # [   42.614497] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6970 16:22:13.544824  # [   42.630134] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 6971 16:22:13.551229  # [   42.639565] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6972 16:22:13.557945  # [   42.653066] ---[ end trace 2116846283a514af ]---

 6973 16:22:13.561365  # [   42.658514] lkdtm: Zero detected: saturated

 6974 16:22:13.564743  # REFCOUNT_INC_ZERO: saw 'call trace:': ok

 6975 16:22:13.571178  ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6976 16:22:13.574398  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6977 16:22:13.580873  # [   42.780039] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6978 16:22:13.587456  # [   42.788381] lkdtm: attempting safe refcount_add_not_zero() from zero

 6979 16:22:13.594277  # [   42.795773] lkdtm: Good: zero detected

 6980 16:22:13.597630  # [   42.800284] lkdtm: Correctly stayed at zero

 6981 16:22:13.604366  # [   42.811461] lkdtm: attempting bad refcount_add() from zero

 6982 16:22:13.610616  # [   42.817879] ------------[ cut here ]------------

 6983 16:22:13.616930  # [   42.823340] refcount_t: addition on 0; use-after-free.

 6984 16:22:13.626928  # [   42.829401] WARNING: CPU: 3 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6985 16:22:13.679820  # [   42.839128] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6986 16:22:13.689316  # [   42.898100] CPU: 3 PID: 2319 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 6987 16:22:13.696189  # [   42.907059] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6988 16:22:13.702409  # [   42.920363] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6989 16:22:13.725416  # [   42.926517] Code: 02 01 e8 d1 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd 9a c6 05 35 00 17 02 01 e8 ae e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd

 6990 16:22:13.732043  # [   42.947791] RSP: 0018:ffffa5c402d27e48 EFLAGS: 00010286

 6991 16:22:13.738294  # [   42.953917] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6992 16:22:13.748502  # [   42.962178] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50

 6993 16:22:13.755120  # [   42.970431] RBP: ffffffff9ad81f0b R08: 0000000000000000 R09: 0000000000000000

 6994 16:22:13.765292  # [   42.978692] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6995 16:22:13.771272  # [   42.986946] R13: ffffa5c402d27f10 R14: ffffa5c402d27f10 R15: ffff98f0c2e99000

 6996 16:22:13.781244  # [   42.995210] FS:  00007f793373b580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 6997 16:22:13.787813  # [   43.004541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6998 16:22:13.797656  # [   43.011249] CR2: 00007f7933545000 CR3: 0000000102eda004 CR4: 00000000003706e0

 6999 16:22:13.801003  # [   43.019512] Call Trace:

 7000 16:22:13.804187  # [   43.022535]  ? __warn+0x80/0x110

 7001 16:22:13.810793  # [   43.026456]  ? refcount_warn_saturate+0x74/0x110

 7002 16:22:13.814044  # [   43.038113]  ? report_bug+0x9e/0xc0

 7003 16:22:13.817262  # [   43.042299]  ? handle_bug+0x41/0x90

 7004 16:22:13.824120  # [   43.046507]  ? exc_invalid_op+0x14/0x70

 7005 16:22:13.827494  # [   43.051081]  ? asm_exc_invalid_op+0x12/0x20

 7006 16:22:13.833364  # [   43.056046]  ? refcount_warn_saturate+0x74/0x110

 7007 16:22:13.840522  # [   43.061524]  ? refcount_warn_saturate+0x74/0x110

 7008 16:22:13.843581  # [   43.066975]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 7009 16:22:13.849909  # [   43.078440]  direct_entry.cold+0x2c/0x38

 7010 16:22:13.853395  # [   43.083116]  full_proxy_write+0x53/0x80

 7011 16:22:13.857024  # [   43.087722]  vfs_write+0xe7/0x3b0

 7012 16:22:13.863328  # [   43.091716]  ksys_write+0x68/0xf0

 7013 16:22:13.866792  # [   43.095739]  do_syscall_64+0x30/0x40

 7014 16:22:13.872926  # [   43.100024]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7015 16:22:13.876703  # [   43.105957] RIP: 0033:0x7f7933651473

 7016 16:22:13.899430  # [   43.110241] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7017 16:22:13.906064  # [   43.131517] RSP: 002b:00007ffe556881b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7018 16:22:13.916126  # [   43.140267] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7933651473

 7019 16:22:13.922554  # [   43.148532] RDX: 0000000000000012 RSI: 00007f7933545000 RDI: 0000000000000001

 7020 16:22:13.932744  # [   43.156796] RBP: 00007f7933545000 R08: 00007f7933544010 R09: 0000000000000000

 7021 16:22:13.941920  # [   43.165061] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7022 16:22:13.949095  # [   43.173344] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7023 16:22:13.951702  # [   43.181614] irq event stamp: 0

 7024 16:22:13.958772  # [   43.185344] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7025 16:22:13.968717  # [   43.192637] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 7026 16:22:13.978383  # [   43.202067] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 7027 16:22:13.988240  # [   43.211496] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7028 16:22:13.990882  # [   43.218788] ---[ end trace 2116846283a514b0 ]---

 7029 16:22:13.997696  # [   43.224235] lkdtm: Zero detected: saturated

 7030 16:22:14.000971  # REFCOUNT_ADD_ZERO: saw 'call trace:': ok

 7031 16:22:14.007476  ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 7032 16:22:14.010841  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 7033 16:22:14.017453  # [   43.346691] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 7034 16:22:14.023851  # [   43.354429] lkdtm: attempting bad refcount_inc() from saturated

 7035 16:22:14.030799  # [   43.361385] ------------[ cut here ]------------

 7036 16:22:14.036928  # [   43.366844] refcount_t: saturated; leaking memory.

 7037 16:22:14.046925  # [   43.372505] WARNING: CPU: 2 PID: 2355 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 7038 16:22:14.099250  # [   43.382231] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7039 16:22:14.109192  # [   43.441242] CPU: 2 PID: 2355 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 7040 16:22:14.115903  # [   43.450199] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7041 16:22:14.122317  # [   43.463505] RIP: 0010:refcount_warn_saturate+0x51/0x110

 7042 16:22:14.145513  # [   43.469657] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 69 00 17 02 00 75 ee 48 c7 c7 c8 ca cd 9a c6 05 59 00 17 02 01 e8 d1 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd

 7043 16:22:14.152207  # [   43.490934] RSP: 0018:ffffa5c402db7e48 EFLAGS: 00010286

 7044 16:22:14.158704  # [   43.497062] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 7045 16:22:14.168572  # [   43.505348] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50

 7046 16:22:14.175095  # [   43.519828] RBP: ffffffff9ad81f1d R08: 0000000000000000 R09: 0000000000000000

 7047 16:22:14.185022  # [   43.528092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7048 16:22:14.191578  # [   43.536356] R13: ffffa5c402db7f10 R14: ffffa5c402db7f10 R15: ffff98f0c2b06000

 7049 16:22:14.201540  # [   43.544641] FS:  00007f48d5f5f580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000

 7050 16:22:14.208155  # [   43.553972] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7051 16:22:14.217579  # [   43.560681] CR2: 00007f48d5d69000 CR3: 0000000102efa005 CR4: 00000000003706e0

 7052 16:22:14.221391  # [   43.568943] Call Trace:

 7053 16:22:14.224756  # [   43.571966]  ? __warn+0x80/0x110

 7054 16:22:14.231129  # [   43.575865]  ? refcount_warn_saturate+0x51/0x110

 7055 16:22:14.234383  # [   43.581331]  ? report_bug+0x9e/0xc0

 7056 16:22:14.237838  # [   43.585527]  ? handle_bug+0x41/0x90

 7057 16:22:14.244257  # [   43.595920]  ? exc_invalid_op+0x14/0x70

 7058 16:22:14.247882  # [   43.600496]  ? asm_exc_invalid_op+0x12/0x20

 7059 16:22:14.254137  # [   43.605463]  ? refcount_warn_saturate+0x51/0x110

 7060 16:22:14.257744  # [   43.610938]  ? refcount_warn_saturate+0x51/0x110

 7061 16:22:14.264508  # [   43.622595]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 7062 16:22:14.270561  # [   43.628362]  direct_entry.cold+0x2c/0x38

 7063 16:22:14.273855  # [   43.639247]  full_proxy_write+0x53/0x80

 7064 16:22:14.277142  # [   43.643845]  vfs_write+0xe7/0x3b0

 7065 16:22:14.280507  # [   43.647862]  ksys_write+0x68/0xf0

 7066 16:22:14.287293  # [   43.651853]  do_syscall_64+0x30/0x40

 7067 16:22:14.293894  # [   43.656136]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7068 16:22:14.296955  # [   43.662070] RIP: 0033:0x7f48d5e75473

 7069 16:22:14.320132  # [   43.666352] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7070 16:22:14.326737  # [   43.687628] RSP: 002b:00007ffcef9d23d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7071 16:22:14.336568  # [   43.696389] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f48d5e75473

 7072 16:22:14.343407  # [   43.704652] RDX: 0000000000000017 RSI: 00007f48d5d69000 RDI: 0000000000000001

 7073 16:22:14.353089  # [   43.712916] RBP: 00007f48d5d69000 R08: 00007f48d5d68010 R09: 0000000000000000

 7074 16:22:14.359541  # [   43.721177] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7075 16:22:14.369414  # [   43.729440] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7076 16:22:14.372683  # [   43.737707] irq event stamp: 0

 7077 16:22:14.379241  # [   43.741436] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7078 16:22:14.388964  # [   43.748728] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 7079 16:22:14.399072  # [   43.758158] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 7080 16:22:14.405499  # [   43.767584] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7081 16:22:14.412108  # [   43.774876] ---[ end trace 2116846283a514b1 ]---

 7082 16:22:14.418833  # [   43.780339] lkdtm: Saturation detected: still saturated

 7083 16:22:14.425292  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 7084 16:22:14.431887  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 7085 16:22:14.435287  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 7086 16:22:14.442005  # [   44.364960] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 7087 16:22:14.451693  # [   44.378018] lkdtm: attempting bad refcount_dec() from saturated

 7088 16:22:14.454863  # [   44.384937] ------------[ cut here ]------------

 7089 16:22:14.461165  # [   44.396588] refcount_t: decrement hit 0; leaking memory.

 7090 16:22:14.471162  # [   44.402843] WARNING: CPU: 2 PID: 2391 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 7091 16:22:14.527362  # [   44.412570] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7092 16:22:14.533317  # [   44.471526] CPU: 2 PID: 2391 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 7093 16:22:14.543325  # [   44.480492] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7094 16:22:14.546599  # [   44.487595] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 7095 16:22:14.569577  # [   44.493746] Code: 78 cb cd 9a c6 05 c5 ff 16 02 01 e8 41 e6 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 48 cb cd 9a c6 05 ac ff 16 02 01 e8 27 e6 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 7096 16:22:14.576312  # [   44.515023] RSP: 0018:ffffa5c402cffe48 EFLAGS: 00010286

 7097 16:22:14.586188  # [   44.521151] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 7098 16:22:14.592440  # [   44.529418] RDX: ffff98f13ad2c620 RSI: ffff98f13ad1bf50 RDI: ffff98f13ad1bf50

 7099 16:22:14.602878  # [   44.537683] RBP: ffffffff9ad81f34 R08: 0000000000000000 R09: 0000000000000000

 7100 16:22:14.609391  # [   44.545948] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7101 16:22:14.619000  # [   44.554211] R13: ffffa5c402cfff10 R14: ffffa5c402cfff10 R15: ffff98f0c29fe000

 7102 16:22:14.628933  # [   44.562474] FS:  00007fd8868b5580(0000) GS:ffff98f13ad00000(0000) knlGS:0000000000000000

 7103 16:22:14.635344  # [   44.571805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7104 16:22:14.642096  # [   44.578515] CR2: 00007fd8866bf000 CR3: 0000000102bfc001 CR4: 00000000003706e0

 7105 16:22:14.644863  # [   44.586778] Call Trace:

 7106 16:22:14.651874  # [   44.589803]  ? __warn+0x80/0x110

 7107 16:22:14.655148  # [   44.593725]  ? refcount_warn_saturate+0xfb/0x110

 7108 16:22:14.658305  # [   44.605385]  ? report_bug+0x9e/0xc0

 7109 16:22:14.664832  # [   44.609602]  ? handle_bug+0x41/0x90

 7110 16:22:14.668137  # [   44.613809]  ? exc_invalid_op+0x14/0x70

 7111 16:22:14.674619  # [   44.618385]  ? asm_exc_invalid_op+0x12/0x20

 7112 16:22:14.677877  # [   44.623405]  ? refcount_warn_saturate+0xfb/0x110

 7113 16:22:14.684434  # [   44.628863]  ? refcount_warn_saturate+0xfb/0x110

 7114 16:22:14.691001  # [   44.640519]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 7115 16:22:14.694247  # [   44.646266]  direct_entry.cold+0x2c/0x38

 7116 16:22:14.700621  # [   44.657147]  full_proxy_write+0x53/0x80

 7117 16:22:14.703966  # [   44.661755]  vfs_write+0xe7/0x3b0

 7118 16:22:14.707728  # [   44.665753]  ksys_write+0x68/0xf0

 7119 16:22:14.710965  # [   44.669748]  do_syscall_64+0x30/0x40

 7120 16:22:14.717524  # [   44.674061]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7121 16:22:14.720880  # [   44.679994] RIP: 0033:0x7fd8867cb473

 7122 16:22:14.743939  # [   44.684302] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7123 16:22:14.753528  # [   44.684313] RSP: 002b:00007fffc263ac28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7124 16:22:14.760304  # [   44.684316] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd8867cb473

 7125 16:22:14.770326  # [   44.684318] RDX: 0000000000000017 RSI: 00007fd8866bf000 RDI: 0000000000000001

 7126 16:22:14.776538  # [   44.737080] RBP: 00007fd8866bf000 R08: 00007fd8866be010 R09: 0000000000000000

 7127 16:22:14.786416  # [   44.745341] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7128 16:22:14.796270  # [   44.753597] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7129 16:22:14.799456  # [   44.761867] irq event stamp: 0

 7130 16:22:14.805891  # [   44.765596] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7131 16:22:14.816298  # [   44.772890] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 7132 16:22:14.826168  # [   44.782343] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 7133 16:22:14.832549  # [   44.791771] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7134 16:22:14.838887  # [   44.799066] ---[ end trace 2116846283a514b2 ]---

 7135 16:22:14.845502  # [   44.804512] lkdtm: Saturation detected: still saturated

 7136 16:22:14.852414  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok

 7137 16:22:14.855778  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 7138 16:22:14.862534  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7139 16:22:14.868996  # [   44.914188] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 7140 16:22:14.875115  # [   44.923473] lkdtm: attempting bad refcount_dec() from saturated

 7141 16:22:14.881905  # [   44.936585] ------------[ cut here ]------------

 7142 16:22:14.888542  # [   44.948248] refcount_t: saturated; leaking memory.

 7143 16:22:14.898047  # [   44.960143] WARNING: CPU: 0 PID: 2427 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 7144 16:22:14.950575  # [   44.976031] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7145 16:22:14.960851  # [   45.035054] CPU: 0 PID: 2427 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 7146 16:22:14.967409  # [   45.050168] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7147 16:22:14.974047  # [   45.063540] RIP: 0010:refcount_warn_saturate+0x51/0x110

 7148 16:22:14.996975  # [   45.075825] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 69 00 17 02 00 75 ee 48 c7 c7 c8 ca cd 9a c6 05 59 00 17 02 01 e8 d1 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 45 00 17 02 00 75 cb 48 c7 c7 f0 ca cd

 7149 16:22:15.000218  # [   45.103364] RSP: 0018:ffffa5c402ecfe48 EFLAGS: 00010286

 7150 16:22:15.010292  # [   45.115670] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 7151 16:22:15.016560  # [   45.130183] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 7152 16:22:15.026509  # [   45.144643] RBP: ffffffff9ad81f4b R08: 0000000000000000 R09: 0000000000000000

 7153 16:22:15.036554  # [   45.159166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7154 16:22:15.043156  # [   45.173636] R13: ffffa5c402ecff10 R14: ffffa5c402ecff10 R15: ffff98f0c2aa0000

 7155 16:22:15.052712  # [   45.188154] FS:  00007f0ce5299580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 7156 16:22:15.059155  # [   45.203691] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7157 16:22:15.069167  # [   45.216623] CR2: 00007f0ce50a3000 CR3: 0000000102b80005 CR4: 00000000003706f0

 7158 16:22:15.072514  # [   45.231100] Call Trace:

 7159 16:22:15.075789  # [   45.240387]  ? __warn+0x80/0x110

 7160 16:22:15.079105  # [   45.250496]  ? refcount_warn_saturate+0x51/0x110

 7161 16:22:15.085912  # [   45.262186]  ? report_bug+0x9e/0xc0

 7162 16:22:15.089102  # [   45.272582]  ? handle_bug+0x41/0x90

 7163 16:22:15.092414  # [   45.283004]  ? exc_invalid_op+0x14/0x70

 7164 16:22:15.098697  # [   45.293810]  ? asm_exc_invalid_op+0x12/0x20

 7165 16:22:15.105772  # [   45.304986]  ? refcount_warn_saturate+0x51/0x110

 7166 16:22:15.109025  # [   45.316643]  ? refcount_warn_saturate+0x51/0x110

 7167 16:22:15.115800  # [   45.328326]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 7168 16:22:15.119128  # [   45.340268]  direct_entry.cold+0x2c/0x38

 7169 16:22:15.125603  # [   45.351158]  full_proxy_write+0x53/0x80

 7170 16:22:15.128707  # [   45.361976]  vfs_write+0xe7/0x3b0

 7171 16:22:15.132094  # [   45.372201]  ksys_write+0x68/0xf0

 7172 16:22:15.138216  # [   45.382417]  do_syscall_64+0x30/0x40

 7173 16:22:15.141714  # [   45.392926]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7174 16:22:15.148192  # [   45.405094] RIP: 0033:0x7f0ce51af473

 7175 16:22:15.168038  # [   45.415592] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7176 16:22:15.178022  # [   45.443109] RSP: 002b:00007fffa9a312d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7177 16:22:15.187900  # [   45.458062] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0ce51af473

 7178 16:22:15.194138  # [   45.466352] RDX: 0000000000000017 RSI: 00007f0ce50a3000 RDI: 0000000000000001

 7179 16:22:15.204046  # [   45.480858] RBP: 00007f0ce50a3000 R08: 00007f0ce50a2010 R09: 0000000000000000

 7180 16:22:15.210769  # [   45.495300] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7181 16:22:15.220634  # [   45.509795] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7182 16:22:15.223859  # [   45.524303] irq event stamp: 0

 7183 16:22:15.230400  # [   45.534191] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7184 16:22:15.240439  # [   45.547688] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 7185 16:22:15.249695  # [   45.563341] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 7186 16:22:15.256556  # [   45.579023] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7187 16:22:15.263025  # [   45.592518] ---[ end trace 2116846283a514b3 ]---

 7188 16:22:15.269990  # [   45.597989] lkdtm: Saturation detected: still saturated

 7189 16:22:15.276058  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok

 7190 16:22:15.282895  ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7191 16:22:15.286309  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7192 16:22:15.295789  # [   45.975641] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 7193 16:22:15.302824  # [   45.986242] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 7194 16:22:15.308934  # [   46.000234] ------------[ cut here ]------------

 7195 16:22:15.315944  # [   46.011860] refcount_t: saturated; leaking memory.

 7196 16:22:15.325977  # [   46.023778] WARNING: CPU: 0 PID: 2460 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7197 16:22:15.378282  # [   46.039700] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7198 16:22:15.388103  # [   46.098658] CPU: 0 PID: 2460 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 7199 16:22:15.394484  # [   46.113777] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7200 16:22:15.401261  # [   46.120910] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7201 16:22:15.424328  # [   46.133255] Code: 02 01 e8 ae e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd 9a c6 05 14 00 17 02 01 e8 8b e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd

 7202 16:22:15.430970  # [   46.160774] RSP: 0018:ffffa5c402f4fe38 EFLAGS: 00010282

 7203 16:22:15.437477  # [   46.173083] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7204 16:22:15.447309  # [   46.181358] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 7205 16:22:15.454000  # [   46.195866] RBP: ffffffff9ad81b78 R08: 0000000000000000 R09: 0000000000000000

 7206 16:22:15.464000  # [   46.210340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7207 16:22:15.470265  # [   46.224857] R13: ffffa5c402f4ff10 R14: ffffa5c402f4ff10 R15: ffff98f0c38cf000

 7208 16:22:15.479828  # [   46.239350] FS:  00007f417e334580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 7209 16:22:15.486851  # [   46.254924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7210 16:22:15.496296  # [   46.267836] CR2: 00007f417e13e000 CR3: 00000001027dc006 CR4: 00000000003706f0

 7211 16:22:15.499543  # [   46.276124] Call Trace:

 7212 16:22:15.502732  # [   46.285404]  ? __warn+0x80/0x110

 7213 16:22:15.509378  # [   46.295473]  ? refcount_warn_saturate+0x97/0x110

 7214 16:22:15.512780  # [   46.307176]  ? report_bug+0x9e/0xc0

 7215 16:22:15.516044  # [   46.317543]  ? handle_bug+0x41/0x90

 7216 16:22:15.522725  # [   46.327971]  ? exc_invalid_op+0x14/0x70

 7217 16:22:15.525588  # [   46.338735]  ? asm_exc_invalid_op+0x12/0x20

 7218 16:22:15.532694  # [   46.349949]  ? refcount_warn_saturate+0x97/0x110

 7219 16:22:15.535574  # [   46.361587]  ? refcount_warn_saturate+0x97/0x110

 7220 16:22:15.542847  # [   46.373254]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7221 16:22:15.549009  # [   46.385885]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 7222 16:22:15.555311  # [   46.398728]  direct_entry.cold+0x2c/0x38

 7223 16:22:15.558548  # [   46.409601]  full_proxy_write+0x53/0x80

 7224 16:22:15.565168  # [   46.420433]  vfs_write+0xe7/0x3b0

 7225 16:22:15.568533  # [   46.430626]  ksys_write+0x68/0xf0

 7226 16:22:15.572198  # [   46.440846]  do_syscall_64+0x30/0x40

 7227 16:22:15.578696  # [   46.451356]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7228 16:22:15.581783  # [   46.463526] RIP: 0033:0x7f417e24a473

 7229 16:22:15.605148  # [   46.474006] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7230 16:22:15.614469  # [   46.501523] RSP: 002b:00007fffc34ee4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7231 16:22:15.621064  # [   46.516471] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f417e24a473

 7232 16:22:15.630913  # [   46.530955] RDX: 0000000000000020 RSI: 00007f417e13e000 RDI: 0000000000000001

 7233 16:22:15.637630  # [   46.545431] RBP: 00007f417e13e000 R08: 00007f417e13d010 R09: 0000000000000000

 7234 16:22:15.647304  # [   46.559920] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7235 16:22:15.654129  # [   46.574411] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7236 16:22:15.660524  # [   46.588893] irq event stamp: 0

 7237 16:22:15.666931  # [   46.598804] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7238 16:22:15.677050  # [   46.612302] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 7239 16:22:15.686463  # [   46.627970] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 7240 16:22:15.693228  # [   46.643611] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7241 16:22:15.699907  # [   46.657130] ---[ end trace 2116846283a514b4 ]---

 7242 16:22:15.703253  # [   46.668785] lkdtm: Saturation detected: still saturated

 7243 16:22:15.709743  # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7244 16:22:15.716816  ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7245 16:22:15.723406  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7246 16:22:15.729991  # [   46.784426] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 7247 16:22:15.739956  # [   46.794748] lkdtm: attempting bad refcount_add_not_zero() from saturated

 7248 16:22:15.743246  # [   46.802552] ------------[ cut here ]------------

 7249 16:22:15.749238  # [   46.807999] refcount_t: saturated; leaking memory.

 7250 16:22:15.759212  # [   46.813670] WARNING: CPU: 3 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7251 16:22:15.811747  # [   46.823386] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7252 16:22:15.821929  # [   46.882341] CPU: 3 PID: 2493 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 7253 16:22:15.828455  # [   46.897499] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7254 16:22:15.834752  # [   46.904598] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7255 16:22:15.858227  # [   46.910726] Code: 02 01 e8 ae e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 24 00 17 02 00 75 a8 48 c7 c7 c8 ca cd 9a c6 05 14 00 17 02 01 e8 8b e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd

 7256 16:22:15.864832  # [   46.932005] RSP: 0018:ffffa5c403007e38 EFLAGS: 00010282

 7257 16:22:15.870828  # [   46.938164] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7258 16:22:15.880758  # [   46.946426] RDX: ffff98f13adac620 RSI: ffff98f13ad9bf50 RDI: ffff98f13ad9bf50

 7259 16:22:15.888034  # [   46.954690] RBP: ffffffff9ad81b98 R08: 0000000000000000 R09: 0000000000000000

 7260 16:22:15.897571  # [   46.962959] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7261 16:22:15.907507  # [   46.971258] R13: ffffa5c403007f10 R14: ffffa5c403007f10 R15: ffff98f0c2f74000

 7262 16:22:15.913861  # [   46.979546] FS:  00007efd236a4580(0000) GS:ffff98f13ad80000(0000) knlGS:0000000000000000

 7263 16:22:15.920260  # [   46.988877] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7264 16:22:15.930605  # [   46.995587] CR2: 00007efd234ae000 CR3: 00000001048e4001 CR4: 00000000003706e0

 7265 16:22:15.933781  # [   47.003849] Call Trace:

 7266 16:22:15.936948  # [   47.006865]  ? __warn+0x80/0x110

 7267 16:22:15.943831  # [   47.010789]  ? refcount_warn_saturate+0x97/0x110

 7268 16:22:15.946775  # [   47.016238]  ? report_bug+0x9e/0xc0

 7269 16:22:15.950050  # [   47.020424]  ? handle_bug+0x41/0x90

 7270 16:22:15.956511  # [   47.024633]  ? exc_invalid_op+0x14/0x70

 7271 16:22:15.960256  # [   47.029206]  ? asm_exc_invalid_op+0x12/0x20

 7272 16:22:15.966821  # [   47.034171]  ? refcount_warn_saturate+0x97/0x110

 7273 16:22:15.973355  # [   47.039642]  ? refcount_warn_saturate+0x97/0x110

 7274 16:22:15.979958  # [   47.045092]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7275 16:22:15.986401  # [   47.051509]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 7276 16:22:15.989724  # [   47.058123]  direct_entry.cold+0x2c/0x38

 7277 16:22:15.993206  # [   47.062793]  full_proxy_write+0x53/0x80

 7278 16:22:15.999150  # [   47.067384]  vfs_write+0xe7/0x3b0

 7279 16:22:16.002440  # [   47.071386]  ksys_write+0x68/0xf0

 7280 16:22:16.005731  # [   47.075388]  do_syscall_64+0x30/0x40

 7281 16:22:16.012212  # [   47.079670]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7282 16:22:16.016006  # [   47.085604] RIP: 0033:0x7efd235ba473

 7283 16:22:16.038788  # [   47.089886] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7284 16:22:16.048867  # [   47.111161] RSP: 002b:00007fffe6d9ef78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7285 16:22:16.055158  # [   47.119910] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007efd235ba473

 7286 16:22:16.065091  # [   47.128172] RDX: 0000000000000020 RSI: 00007efd234ae000 RDI: 0000000000000001

 7287 16:22:16.071516  # [   47.136427] RBP: 00007efd234ae000 R08: 00007efd234ad010 R09: 0000000000000000

 7288 16:22:16.081182  # [   47.144689] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7289 16:22:16.091043  # [   47.152951] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7290 16:22:16.094850  # [   47.161221] irq event stamp: 0

 7291 16:22:16.100949  # [   47.164964] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7292 16:22:16.111362  # [   47.178484] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 7293 16:22:16.120760  # [   47.187929] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 7294 16:22:16.127204  # [   47.203566] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7295 16:22:16.134039  # [   47.210860] ---[ end trace 2116846283a514b5 ]---

 7296 16:22:16.140313  # [   47.216339] lkdtm: Saturation detected: still saturated

 7297 16:22:16.143826  # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7298 16:22:16.150394  ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7299 16:22:16.156831  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7300 16:22:16.163488  # [   47.575684] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7301 16:22:16.173223  # [   47.584649] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7302 16:22:16.176429  # [   47.598635] ------------[ cut here ]------------

 7303 16:22:16.183537  # [   47.610305] refcount_t: underflow; use-after-free.

 7304 16:22:16.193523  # [   47.622169] WARNING: CPU: 0 PID: 2529 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7305 16:22:16.249277  # [   47.638134] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7306 16:22:16.255871  # [   47.697063] CPU: 0 PID: 2529 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 7307 16:22:16.265943  # [   47.712281] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7308 16:22:16.268977  # [   47.725571] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7309 16:22:16.291739  # [   47.737913] Code: 02 01 e8 8b e6 c5 00 0f 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 9a c6 05 ee ff 16 02 01 e8 68 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d d9 ff 16 02 00 0f 85 5e ff ff ff 48 c7

 7310 16:22:16.298666  # [   47.765399] RSP: 0018:ffffa5c403077e40 EFLAGS: 00010286

 7311 16:22:16.304851  # [   47.777747] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7312 16:22:16.315222  # [   47.792209] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 7313 16:22:16.324917  # [   47.806729] RBP: ffffffff9ad81bb8 R08: 0000000000000000 R09: 0000000000000000

 7314 16:22:16.331468  # [   47.821194] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7315 16:22:16.341045  # [   47.835674] R13: ffffa5c403077f10 R14: ffffa5c403077f10 R15: ffff98f0c2c8e000

 7316 16:22:16.348100  # [   47.850197] FS:  00007f7b71251580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 7317 16:22:16.357594  # [   47.865762] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7318 16:22:16.364389  # [   47.878692] CR2: 00007f7b7105b000 CR3: 000000010484e005 CR4: 00000000003706f0

 7319 16:22:16.367436  # [   47.893157] Call Trace:

 7320 16:22:16.370651  # [   47.902436]  ? __warn+0x80/0x110

 7321 16:22:16.377552  # [   47.912564]  ? refcount_warn_saturate+0xba/0x110

 7322 16:22:16.381097  # [   47.924216]  ? report_bug+0x9e/0xc0

 7323 16:22:16.387126  # [   47.934645]  ? handle_bug+0x41/0x90

 7324 16:22:16.390474  # [   47.945025]  ? exc_invalid_op+0x14/0x70

 7325 16:22:16.393715  # [   47.955818]  ? asm_exc_invalid_op+0x12/0x20

 7326 16:22:16.400166  # [   47.966993]  ? refcount_warn_saturate+0xba/0x110

 7327 16:22:16.407314  # [   47.978666]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7328 16:22:16.413171  # [   47.991294]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7329 16:22:16.420054  # [   48.004134]  direct_entry.cold+0x2c/0x38

 7330 16:22:16.423075  # [   48.015017]  full_proxy_write+0x53/0x80

 7331 16:22:16.426348  # [   48.025811]  vfs_write+0xe7/0x3b0

 7332 16:22:16.429566  # [   48.036014]  ksys_write+0x68/0xf0

 7333 16:22:16.436275  # [   48.046232]  do_syscall_64+0x30/0x40

 7334 16:22:16.442866  # [   48.056728]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7335 16:22:16.446182  # [   48.068875] RIP: 0033:0x7f7b71167473

 7336 16:22:16.468812  # [   48.079389] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7337 16:22:16.475444  # [   48.106882] RSP: 002b:00007ffc4330e958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7338 16:22:16.485281  # [   48.121840] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7b71167473

 7339 16:22:16.492194  # [   48.136356] RDX: 0000000000000020 RSI: 00007f7b7105b000 RDI: 0000000000000001

 7340 16:22:16.502125  # [   48.150809] RBP: 00007f7b7105b000 R08: 00007f7b7105a010 R09: 0000000000000000

 7341 16:22:16.511895  # [   48.165297] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7342 16:22:16.518499  # [   48.179772] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7343 16:22:16.521887  # [   48.194267] irq event stamp: 0

 7344 16:22:16.531033  # [   48.204190] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7345 16:22:16.537712  # [   48.217694] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 7346 16:22:16.547882  # [   48.233334] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 7347 16:22:16.557735  # [   48.248990] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7348 16:22:16.560846  # [   48.262489] ---[ end trace 2116846283a514b6 ]---

 7349 16:22:16.567885  # [   48.274163] lkdtm: Saturation detected: still saturated

 7350 16:22:16.577531  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7351 16:22:16.583617  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7352 16:22:16.587204  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7353 16:22:16.597327  # [   48.409773] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7354 16:22:16.603472  # [   48.418785] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7355 16:22:16.610064  # [   48.432793] ------------[ cut here ]------------

 7356 16:22:16.616532  # [   48.444419] refcount_t: underflow; use-after-free.

 7357 16:22:16.626457  # [   48.456336] WARNING: CPU: 0 PID: 2565 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7358 16:22:16.679490  # [   48.472275] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors uvcvideo cros_ec_sensors_core videobuf2_vmalloc industrialio_triggered_buffer videobuf2_memops kfifo_buf snd_soc_da7219 industrialio videobuf2_v4l2 cros_ec_debugfs cros_ec_sysfs snd_soc_core cros_ec_chardev cros_ec_lightbar cros_usbpd_logger snd_compress snd_pcm_dmaengine cros_usbpd_charger cros_ec_sensorhub gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7359 16:22:16.688920  # [   48.531238] CPU: 0 PID: 2565 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 7360 16:22:16.695619  # [   48.546394] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7361 16:22:16.701972  # [   48.559748] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7362 16:22:16.725265  # [   48.572079] Code: 02 01 e8 8b e6 c5 00 0f 0b c3 cc cc cc cc 80 3d fe ff 16 02 00 75 85 48 c7 c7 20 cb cd 9a c6 05 ee ff 16 02 01 e8 68 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d d9 ff 16 02 00 0f 85 5e ff ff ff 48 c7

 7363 16:22:16.728458  # [   48.599612] RSP: 0018:ffffa5c403117e40 EFLAGS: 00010286

 7364 16:22:16.738237  # [   48.611943] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7365 16:22:16.748220  # [   48.626462] RDX: ffff98f13ac2c620 RSI: ffff98f13ac1bf50 RDI: ffff98f13ac1bf50

 7366 16:22:16.754826  # [   48.640929] RBP: ffffffff9ad81bd8 R08: 0000000000000000 R09: 0000000000000000

 7367 16:22:16.764995  # [   48.655449] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7368 16:22:16.771280  # [   48.669916] R13: ffffa5c403117f10 R14: ffffa5c403117f10 R15: ffff98f0c2dff000

 7369 16:22:16.780857  # [   48.684397] FS:  00007f53805f3580(0000) GS:ffff98f13ac00000(0000) knlGS:0000000000000000

 7370 16:22:16.787520  # [   48.699969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7371 16:22:16.797382  # [   48.712938] CR2: 00007f53803fd000 CR3: 00000001053ee003 CR4: 00000000003706f0

 7372 16:22:16.800462  # [   48.727402] Call Trace:

 7373 16:22:16.804151  # [   48.736664]  ? __warn+0x80/0x110

 7374 16:22:16.810762  # [   48.746740]  ? refcount_warn_saturate+0xba/0x110

 7375 16:22:16.813965  # [   48.758428]  ? report_bug+0x9e/0xc0

 7376 16:22:16.817121  # [   48.768815]  ? handle_bug+0x41/0x90

 7377 16:22:16.820444  # [   48.779205]  ? exc_invalid_op+0x14/0x70

 7378 16:22:16.826698  # [   48.789987]  ? asm_exc_invalid_op+0x12/0x20

 7379 16:22:16.833579  # [   48.801196]  ? refcount_warn_saturate+0xba/0x110

 7380 16:22:16.839992  # [   48.812836]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7381 16:22:16.846621  # [   48.825476]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7382 16:22:16.849849  # [   48.838314]  direct_entry.cold+0x2c/0x38

 7383 16:22:16.856513  # [   48.849207]  full_proxy_write+0x53/0x80

 7384 16:22:16.859960  # [   48.859988]  vfs_write+0xe7/0x3b0

 7385 16:22:16.863236  # [   48.870211]  ksys_write+0x68/0xf0

 7386 16:22:16.866503  # [   48.880421]  do_syscall_64+0x30/0x40

 7387 16:22:16.873123  # [   48.890925]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7388 16:22:16.876277  # [   48.903063] RIP: 0033:0x7f5380509473

 7389 16:22:16.899120  # [   48.913581] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7390 16:22:16.909151  # [   48.941060] RSP: 002b:00007ffc9303eb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7391 16:22:16.915865  # [   48.956073] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5380509473

 7392 16:22:16.925814  # [   48.970514] RDX: 0000000000000020 RSI: 00007f53803fd000 RDI: 0000000000000001

 7393 16:22:16.932252  # [   48.985015] RBP: 00007f53803fd000 R08: 00007f53803fc010 R09: 0000000000000000

 7394 16:22:16.941702  # [   48.999477] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7395 16:22:16.951910  # [   49.013966] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7396 16:22:16.955008  # [   49.028449] irq event stamp: 0

 7397 16:22:16.961612  # [   49.038346] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7398 16:22:16.971523  # [   49.051857] hardirqs last disabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 7399 16:22:16.981515  # [   49.067524] softirqs last  enabled at (0): [<ffffffff98cfd6cc>] copy_process+0x65c/0x20e0

 7400 16:22:16.988042  # [   49.083184] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7401 16:22:16.994691  # [   49.096696] ---[ end trace 2116846283a514b7 ]---

 7402 16:22:17.001056  # [   49.108358] lkdtm: Saturation detected: still saturated

 7403 16:22:17.007431  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7404 16:22:17.013921  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7405 16:22:17.017249  # selftests: lkdtm: REFCOUNT_TIMING.sh

 7406 16:22:17.020805  # Skipping REFCOUNT_TIMING: timing only

 7407 16:22:17.027601  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 7408 16:22:17.030847  # selftests: lkdtm: ATOMIC_TIMING.sh

 7409 16:22:17.033807  # Skipping ATOMIC_TIMING: timing only

 7410 16:22:17.040775  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 7411 16:22:17.043887  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 7412 16:22:17.050495  # [   49.302336] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7413 16:22:17.059898  # [   49.314199] lkdtm: attempting good copy_to_user of correct size

 7414 16:22:17.066739  # [   49.327347] lkdtm: attempting bad copy_to_user of too large size

 7415 16:22:17.069739  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 7416 16:22:17.076331  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 7417 16:22:17.082907  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 7418 16:22:17.089473  # [   49.456418] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7419 16:22:17.095921  # [   49.465808] lkdtm: attempting good copy_from_user of correct size

 7420 16:22:17.102509  # [   49.472939] lkdtm: attempting bad copy_from_user of too large size

 7421 16:22:17.109188  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 7422 16:22:17.115811  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 7423 16:22:17.122538  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 7424 16:22:17.128887  # [   49.593264] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7425 16:22:17.135462  # [   49.605778] lkdtm: attempting good copy_to_user inside whitelist

 7426 16:22:17.141737  # [   49.619021] lkdtm: attempting bad copy_to_user outside whitelist

 7427 16:22:17.148512  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 7428 16:22:17.155248  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 7429 16:22:17.161711  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 7430 16:22:17.168081  # [   49.745436] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7431 16:22:17.177974  # [   49.757993] lkdtm: attempting good copy_from_user inside whitelist

 7432 16:22:17.184868  # [   49.765248] lkdtm: attempting bad copy_from_user outside whitelist

 7433 16:22:17.191351  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 7434 16:22:17.197777  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 7435 16:22:17.201012  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 7436 16:22:17.207550  # [   49.884480] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7437 16:22:17.217506  # [   49.897725] lkdtm: good_stack: ffffa5c40348fe20-ffffa5c40348fe40

 7438 16:22:17.224158  # [   49.904760] lkdtm: bad_stack : ffffa5c40348fda8-ffffa5c40348fdc8

 7439 16:22:17.230699  # [   49.911816] lkdtm: attempting good copy_to_user of local stack

 7440 16:22:17.237635  # [   49.918637] lkdtm: attempting bad copy_to_user of distant stack

 7441 16:22:17.243831  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 7442 16:22:17.250605  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 7443 16:22:17.253620  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 7444 16:22:17.263450  # [   50.046231] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7445 16:22:17.270123  # [   50.057294] lkdtm: good_stack: ffffa5c403527e20-ffffa5c403527e40

 7446 16:22:17.276811  # [   50.070493] lkdtm: bad_stack : ffffa5c403527da8-ffffa5c403527dc8

 7447 16:22:17.282934  # [   50.083746] lkdtm: attempting good copy_from_user of local stack

 7448 16:22:17.289818  # [   50.096977] lkdtm: attempting bad copy_from_user of distant stack

 7449 16:22:17.296154  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 7450 16:22:17.302833  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 7451 16:22:17.306676  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 7452 16:22:17.316028  # [   50.227065] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7453 16:22:17.322783  # [   50.235376] lkdtm: good_stack: ffffa5c4035a7e20-ffffa5c4035a7e40

 7454 16:22:17.329432  # [   50.242414] lkdtm: bad_stack : ffffa5c4035a7ff8-ffffa5c4035a8018

 7455 16:22:17.335916  # [   50.249474] lkdtm: attempting good copy_to_user of local stack

 7456 16:22:17.342328  # [   50.256298] lkdtm: attempting bad copy_to_user of distant stack

 7457 16:22:17.348896  # [   50.269414] lkdtm: copy_to_user failed, but lacked Oops

 7458 16:22:17.355238  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 7459 16:22:17.362222  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 7460 16:22:17.365607  # selftests: lkdtm: USERCOPY_KERNEL.sh

 7461 16:22:17.372187  # [   50.388511] lkdtm: Performing direct entry USERCOPY_KERNEL

 7462 16:22:17.382039  # [   50.400116] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9a8f8250

 7463 16:22:17.388203  # [   50.415307] lkdtm: attempting bad copy_to_user from kernel text: ffffffff98ee2ad0

 7464 16:22:17.395252  # [   50.430141] lkdtm: FAIL: survived bad copy_to_user()

 7465 16:22:17.401687  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 7466 16:22:17.404771  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 7467 16:22:17.411356  # selftests: lkdtm: STACKLEAK_ERASING.sh

 7468 16:22:17.417780  # [   50.555053] lkdtm: Performing direct entry STACKLEAK_ERASING

 7469 16:22:17.424569  # [   50.566908] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7470 16:22:17.434564  # [   50.575112] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7471 16:22:17.440533  # [   50.583216] lkdtm: FAIL: the thread stack is NOT properly erased

 7472 16:22:17.450930  # [   50.590220] CPU: 2 PID: 2941 Comm: cat Tainted: G      D W         5.10.199-cip39 #1

 7473 16:22:17.457486  # [   50.599161] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7474 16:22:17.460550  # [   50.606255] Call Trace:

 7475 16:22:17.463716  # [   50.609278]  dump_stack+0x77/0x9b

 7476 16:22:17.466936  # [   50.613299]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7477 16:22:17.474071  # [   50.618744]  direct_entry.cold+0x2c/0x38

 7478 16:22:17.477353  # [   50.623413]  full_proxy_write+0x53/0x80

 7479 16:22:17.480667  # [   50.627987]  vfs_write+0xe7/0x3b0

 7480 16:22:17.483806  # [   50.631976]  ksys_write+0x68/0xf0

 7481 16:22:17.490482  # [   50.635967]  do_syscall_64+0x30/0x40

 7482 16:22:17.497120  # [   50.640246]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7483 16:22:17.500411  # [   50.646178] RIP: 0033:0x7f29d0902473

 7484 16:22:17.519913  # [   50.650448] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7485 16:22:17.530175  # [   50.671723] RSP: 002b:00007fff6b97b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7486 16:22:17.536692  # [   50.680464] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f29d0902473

 7487 16:22:17.546360  # [   50.688716] RDX: 0000000000000012 RSI: 00007f29d07f6000 RDI: 0000000000000001

 7488 16:22:17.552797  # [   50.696976] RBP: 00007f29d07f6000 R08: 00007f29d07f5010 R09: 0000000000000000

 7489 16:22:17.563203  # [   50.705238] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7490 16:22:17.569603  # [   50.713498] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7491 16:22:17.579321  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 7492 16:22:17.585966  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 7493 16:22:17.589294  # selftests: lkdtm: CFI_FORWARD_PROTO.sh

 7494 16:22:17.595927  # [   50.833317] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7495 16:22:17.599252  # [   50.840280] lkdtm: Calling matched prototype ...

 7496 16:22:17.605958  # [   50.845733] lkdtm: Calling mismatched prototype ...

 7497 16:22:17.612299  # [   50.857687] lkdtm: Fail: survived mismatched prototype function call!

 7498 16:22:17.618866  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 7499 16:22:17.625171  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 7500 16:22:17.654007  lkdtm_PANIC_sh_selftests_lkdtm_panic_sh skip

 7501 16:22:17.654137  lkdtm_BUG_sh pass

 7502 16:22:17.657468  lkdtm_WARNING_sh pass

 7503 16:22:17.660779  lkdtm_WARNING_MESSAGE_sh pass

 7504 16:22:17.664078  lkdtm_EXCEPTION_sh pass

 7505 16:22:17.667067  lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip

 7506 16:22:17.673520  lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip

 7507 16:22:17.680162  lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip

 7508 16:22:17.686908  lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh skip

 7509 16:22:17.690307  lkdtm_CORRUPT_LIST_ADD_sh fail

 7510 16:22:17.693584  lkdtm_CORRUPT_LIST_DEL_sh fail

 7511 16:22:17.696920  lkdtm_STACK_GUARD_PAGE_LEADING_sh pass

 7512 16:22:17.699646  lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass

 7513 16:22:17.702995  lkdtm_UNSET_SMEP_sh pass

 7514 16:22:17.709500  lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh skip

 7515 16:22:17.712851  lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip

 7516 16:22:17.722742  lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip

 7517 16:22:17.729304  lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip

 7518 16:22:17.736064  lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip

 7519 16:22:17.739389  lkdtm_READ_AFTER_FREE_sh fail

 7520 16:22:17.749136  lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh skip

 7521 16:22:17.752249  lkdtm_READ_BUDDY_AFTER_FREE_sh fail

 7522 16:22:17.755662  lkdtm_SLAB_FREE_DOUBLE_sh fail

 7523 16:22:17.758943  lkdtm_SLAB_FREE_CROSS_sh fail

 7524 16:22:17.759022  lkdtm_SLAB_FREE_PAGE_sh fail

 7525 16:22:17.765572  lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh skip

 7526 16:22:17.772096  lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip

 7527 16:22:17.775244  lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip

 7528 16:22:17.781884  lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh skip

 7529 16:22:17.785718  lkdtm_EXEC_DATA_sh pass

 7530 16:22:17.788989  lkdtm_EXEC_STACK_sh pass

 7531 16:22:17.789075  lkdtm_EXEC_KMALLOC_sh pass

 7532 16:22:17.792189  lkdtm_EXEC_VMALLOC_sh pass

 7533 16:22:17.795027  lkdtm_EXEC_RODATA_sh pass

 7534 16:22:17.798348  lkdtm_EXEC_USERSPACE_sh pass

 7535 16:22:17.801798  lkdtm_EXEC_NULL_sh pass

 7536 16:22:17.805251  lkdtm_ACCESS_USERSPACE_sh pass

 7537 16:22:17.805342  lkdtm_ACCESS_NULL_sh pass

 7538 16:22:17.808651  lkdtm_WRITE_RO_sh pass

 7539 16:22:17.812022  lkdtm_WRITE_RO_AFTER_INIT_sh pass

 7540 16:22:17.815330  lkdtm_WRITE_KERN_sh pass

 7541 16:22:17.818611  lkdtm_REFCOUNT_INC_OVERFLOW_sh pass

 7542 16:22:17.821823  lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass

 7543 16:22:17.825156  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass

 7544 16:22:17.831898  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass

 7545 16:22:17.835153  lkdtm_REFCOUNT_DEC_ZERO_sh pass

 7546 16:22:17.838341  lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass

 7547 16:22:17.841177  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass

 7548 16:22:17.847908  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass

 7549 16:22:17.847991  lkdtm_REFCOUNT_INC_ZERO_sh pass

 7550 16:22:17.851216  lkdtm_REFCOUNT_ADD_ZERO_sh pass

 7551 16:22:17.857710  lkdtm_REFCOUNT_INC_SATURATED_sh pass

 7552 16:22:17.861256  lkdtm_REFCOUNT_DEC_SATURATED_sh pass

 7553 16:22:17.864177  lkdtm_REFCOUNT_ADD_SATURATED_sh pass

 7554 16:22:17.867948  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass

 7555 16:22:17.874501  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass

 7556 16:22:17.877836  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass

 7557 16:22:17.881233  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass

 7558 16:22:17.887752  lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh skip

 7559 16:22:17.894022  lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh skip

 7560 16:22:17.897765  lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail

 7561 16:22:17.900919  lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail

 7562 16:22:17.907243  lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail

 7563 16:22:17.910330  lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail

 7564 16:22:17.914032  lkdtm_USERCOPY_STACK_FRAME_TO_sh fail

 7565 16:22:17.917057  lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail

 7566 16:22:17.920519  lkdtm_USERCOPY_STACK_BEYOND_sh fail

 7567 16:22:17.923624  lkdtm_USERCOPY_KERNEL_sh fail

 7568 16:22:17.927023  lkdtm_STACKLEAK_ERASING_sh fail

 7569 16:22:17.930387  lkdtm_CFI_FORWARD_PROTO_sh fail

 7570 16:22:17.937031  + ../../utils/send-to-lava.sh ./output/result.txt

 7571 16:22:17.943813  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=shardfile-lkdtm RESULT=pass>

 7572 16:22:17.944451  Received signal: <TESTCASE> TEST_CASE_ID=shardfile-lkdtm RESULT=pass
 7574 16:22:17.950323  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_PANIC_sh_selftests_lkdtm_panic_sh RESULT=skip>

 7575 16:22:17.950588  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_PANIC_sh_selftests_lkdtm_panic_sh RESULT=skip
 7577 16:22:17.956736  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass>

 7578 16:22:17.957024  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass
 7580 16:22:17.963591  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass>

 7581 16:22:17.963860  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass
 7583 16:22:17.970032  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass>

 7584 16:22:17.970304  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass
 7586 16:22:17.976494  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass>

 7587 16:22:17.976756  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass
 7589 16:22:17.986348  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_LOOP_sh_selftests_lkdtm_loop_sh RESULT=skip>

 7590 16:22:17.986610  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_LOOP_sh_selftests_lkdtm_loop_sh RESULT=skip
 7592 16:22:17.996487  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh RESULT=skip>

 7593 16:22:17.996759  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh RESULT=skip
 7595 16:22:18.006568  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh RESULT=skip>

 7596 16:22:18.006851  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh RESULT=skip
 7598 16:22:18.016360  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh RESULT=skip>

 7599 16:22:18.016621  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh RESULT=skip
 7601 16:22:18.025989  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail>

 7602 16:22:18.026248  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail
 7604 16:22:18.032332  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail>

 7605 16:22:18.032592  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail
 7607 16:22:18.048366  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass>

 7608 16:22:18.048669  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass
 7610 16:22:18.083490  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass>

 7611 16:22:18.083841  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass
 7613 16:22:18.116524  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass
 7615 16:22:18.119291  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass>

 7616 16:22:18.155166  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh RESULT=skip
 7618 16:22:18.157840  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh RESULT=skip>

 7619 16:22:18.189882  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh RESULT=skip>

 7620 16:22:18.190194  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh RESULT=skip
 7622 16:22:18.226018  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh RESULT=skip>

 7623 16:22:18.226370  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh RESULT=skip
 7625 16:22:18.256486  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh RESULT=skip>

 7626 16:22:18.256831  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh RESULT=skip
 7628 16:22:18.288682  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh RESULT=skip>

 7629 16:22:18.288982  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh RESULT=skip
 7631 16:22:18.315318  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail>

 7632 16:22:18.315616  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail
 7634 16:22:18.353494  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh RESULT=skip>

 7635 16:22:18.353846  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh RESULT=skip
 7637 16:22:18.381641  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail>

 7638 16:22:18.381919  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail
 7640 16:22:18.411880  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail>

 7641 16:22:18.412210  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail
 7643 16:22:18.443181  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail>

 7644 16:22:18.443491  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail
 7646 16:22:18.476191  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail>

 7647 16:22:18.476482  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail
 7649 16:22:18.507834  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh RESULT=skip>

 7650 16:22:18.508138  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh RESULT=skip
 7652 16:22:18.538498  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh RESULT=skip>

 7653 16:22:18.538831  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh RESULT=skip
 7655 16:22:18.568045  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh RESULT=skip>

 7656 16:22:18.568326  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh RESULT=skip
 7658 16:22:18.603920  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh RESULT=skip>

 7659 16:22:18.604225  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh RESULT=skip
 7661 16:22:18.639030  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass>

 7662 16:22:18.639391  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass
 7664 16:22:18.671840  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass
 7666 16:22:18.674805  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass>

 7667 16:22:18.715460  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass>

 7668 16:22:18.715801  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass
 7670 16:22:18.749729  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass>

 7671 16:22:18.750032  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass
 7673 16:22:18.780925  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass>

 7674 16:22:18.781308  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass
 7676 16:22:18.811126  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass>

 7677 16:22:18.811500  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass
 7679 16:22:18.849557  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass>

 7680 16:22:18.849884  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass
 7682 16:22:18.884722  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=pass>

 7683 16:22:18.885028  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=pass
 7685 16:22:18.922575  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass
 7687 16:22:18.926147  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass>

 7688 16:22:18.952859  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass>

 7689 16:22:18.953180  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass
 7691 16:22:18.992321  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass>

 7692 16:22:18.992635  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass
 7694 16:22:19.014308  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass
 7696 16:22:19.017427  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass>

 7697 16:22:19.042539  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass>

 7698 16:22:19.042853  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass
 7700 16:22:19.067805  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass>

 7701 16:22:19.068120  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass
 7703 16:22:19.094393  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7704 16:22:19.094708  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7706 16:22:19.120106  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7707 16:22:19.120427  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7709 16:22:19.145360  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass>

 7710 16:22:19.145682  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass
 7712 16:22:19.170009  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass>

 7713 16:22:19.170369  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass
 7715 16:22:19.196149  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass>

 7716 16:22:19.196474  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass
 7718 16:22:19.221568  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass>

 7719 16:22:19.221834  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass
 7721 16:22:19.247603  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass>

 7722 16:22:19.247896  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass
 7724 16:22:19.273455  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass>

 7725 16:22:19.273722  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass
 7727 16:22:19.299421  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass>

 7728 16:22:19.299744  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass
 7730 16:22:19.325394  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass>

 7731 16:22:19.325679  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass
 7733 16:22:19.351069  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass>

 7734 16:22:19.351325  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass
 7736 16:22:19.379409  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass>

 7737 16:22:19.379680  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass
 7739 16:22:19.408645  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass>

 7740 16:22:19.408919  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass
 7742 16:22:19.434807  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass>

 7743 16:22:19.435079  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass
 7745 16:22:19.461063  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass>

 7746 16:22:19.461339  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass
 7748 16:22:19.490492  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh RESULT=skip>

 7749 16:22:19.490757  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh RESULT=skip
 7751 16:22:19.516785  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh RESULT=skip>

 7752 16:22:19.517057  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh RESULT=skip
 7754 16:22:19.539260  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail>

 7755 16:22:19.539528  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail
 7757 16:22:19.565892  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail>

 7758 16:22:19.566162  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail
 7760 16:22:19.593479  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail>

 7761 16:22:19.593739  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail
 7763 16:22:19.619280  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail>

 7764 16:22:19.619576  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail
 7766 16:22:19.645658  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail>

 7767 16:22:19.645915  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail
 7769 16:22:19.670920  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail>

 7770 16:22:19.671177  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail
 7772 16:22:19.696958  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail>

 7773 16:22:19.697239  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail
 7775 16:22:19.726163  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail>

 7776 16:22:19.726464  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail
 7778 16:22:19.753172  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail>

 7779 16:22:19.753442  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail
 7781 16:22:19.780453  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail>

 7782 16:22:19.780543  + set +x

 7783 16:22:19.780780  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail
 7785 16:22:19.787174  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 11931942_1.5.2.3.5>

 7786 16:22:19.787426  Received signal: <ENDRUN> 1_kselftest-lkdtm 11931942_1.5.2.3.5
 7787 16:22:19.787502  Ending use of test pattern.
 7788 16:22:19.787563  Ending test lava.1_kselftest-lkdtm (11931942_1.5.2.3.5), duration 42.12
 7790 16:22:19.790126  <LAVA_TEST_RUNNER EXIT>

 7791 16:22:19.790376  ok: lava_test_shell seems to have completed
 7792 16:22:19.790969  lkdtm_ACCESS_NULL_sh: pass
lkdtm_ACCESS_USERSPACE_sh: pass
lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh: skip
lkdtm_BUG_sh: pass
lkdtm_CFI_FORWARD_PROTO_sh: fail
lkdtm_CORRUPT_LIST_ADD_sh: fail
lkdtm_CORRUPT_LIST_DEL_sh: fail
lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh: skip
lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh: skip
lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh: skip
lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh: skip
lkdtm_EXCEPTION_sh: pass
lkdtm_EXEC_DATA_sh: pass
lkdtm_EXEC_KMALLOC_sh: pass
lkdtm_EXEC_NULL_sh: pass
lkdtm_EXEC_RODATA_sh: pass
lkdtm_EXEC_STACK_sh: pass
lkdtm_EXEC_USERSPACE_sh: pass
lkdtm_EXEC_VMALLOC_sh: pass
lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh: skip
lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh: skip
lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh: skip
lkdtm_LOOP_sh_selftests_lkdtm_loop_sh: skip
lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh: skip
lkdtm_PANIC_sh_selftests_lkdtm_panic_sh: skip
lkdtm_READ_AFTER_FREE_sh: fail
lkdtm_READ_BUDDY_AFTER_FREE_sh: fail
lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh: pass
lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_OVERFLOW_sh: pass
lkdtm_REFCOUNT_ADD_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_ZERO_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_ZERO_sh: pass
lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh: pass
lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_OVERFLOW_sh: pass
lkdtm_REFCOUNT_INC_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_ZERO_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh: skip
lkdtm_SLAB_FREE_CROSS_sh: fail
lkdtm_SLAB_FREE_DOUBLE_sh: fail
lkdtm_SLAB_FREE_PAGE_sh: fail
lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh: skip
lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh: skip
lkdtm_STACKLEAK_ERASING_sh: fail
lkdtm_STACK_GUARD_PAGE_LEADING_sh: pass
lkdtm_STACK_GUARD_PAGE_TRAILING_sh: pass
lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh: skip
lkdtm_UNSET_SMEP_sh: pass
lkdtm_USERCOPY_HEAP_SIZE_FROM_sh: fail
lkdtm_USERCOPY_HEAP_SIZE_TO_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh: fail
lkdtm_USERCOPY_KERNEL_sh: fail
lkdtm_USERCOPY_STACK_BEYOND_sh: fail
lkdtm_USERCOPY_STACK_FRAME_FROM_sh: fail
lkdtm_USERCOPY_STACK_FRAME_TO_sh: fail
lkdtm_WARNING_MESSAGE_sh: pass
lkdtm_WARNING_sh: pass
lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh: skip
lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh: skip
lkdtm_WRITE_KERN_sh: pass
lkdtm_WRITE_RO_AFTER_INIT_sh: pass
lkdtm_WRITE_RO_sh: pass
shardfile-lkdtm: pass

 7793 16:22:19.791087  end: 3.1 lava-test-shell (duration 00:00:43) [common]
 7794 16:22:19.791172  end: 3 lava-test-retry (duration 00:00:43) [common]
 7795 16:22:19.791253  start: 4 finalize (timeout 00:08:04) [common]
 7796 16:22:19.791337  start: 4.1 power-off (timeout 00:00:30) [common]
 7797 16:22:19.791486  Calling: 'pduclient' '--daemon=localhost' '--hostname=asus-C433TA-AJ0005-rammus-cbg-0' '--port=1' '--command=off'
 7798 16:22:19.867897  >> Command sent successfully.

 7799 16:22:19.870271  Returned 0 in 0 seconds
 7800 16:22:19.970683  end: 4.1 power-off (duration 00:00:00) [common]
 7802 16:22:19.971029  start: 4.2 read-feedback (timeout 00:08:04) [common]
 7803 16:22:19.971468  Listened to connection for namespace 'common' for up to 1s
 7804 16:22:19.971838  Listened to connection for namespace 'common' for up to 1s
 7805 16:22:20.971723  Finalising connection for namespace 'common'
 7806 16:22:20.971882  Disconnecting from shell: Finalise
 7807 16:22:20.971962  / # 
 7808 16:22:21.072304  end: 4.2 read-feedback (duration 00:00:01) [common]
 7809 16:22:21.072469  end: 4 finalize (duration 00:00:01) [common]
 7810 16:22:21.072583  Cleaning after the job
 7811 16:22:21.072686  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/11931942/tftp-deploy-5lhhctw5/ramdisk
 7812 16:22:21.074213  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/11931942/tftp-deploy-5lhhctw5/kernel
 7813 16:22:21.077113  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/11931942/tftp-deploy-5lhhctw5/nfsrootfs
 7814 16:22:21.171118  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/11931942/tftp-deploy-5lhhctw5/modules
 7815 16:22:21.174520  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/11931942
 7816 16:22:21.789828  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/11931942
 7817 16:22:21.789999  Job finished correctly