Boot log: asus-C433TA-AJ0005-rammus

    1 07:56:47.197694  lava-dispatcher, installed at version: 2023.01
    2 07:56:47.197905  start: 0 validate
    3 07:56:47.198038  Start time: 2023-03-12 07:56:47.198032+00:00 (UTC)
    4 07:56:47.198179  Using caching service: 'http://localhost/cache/?uri=%s'
    5 07:56:47.198332  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230303.0%2Famd64%2Finitrd.cpio.gz exists
    6 07:56:47.490886  Using caching service: 'http://localhost/cache/?uri=%s'
    7 07:56:47.491075  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.168-cip27-638-g0d599cd2b6695%2Fx86_64%2Fx86_64_defconfig%2Bx86-chromebook%2Bkselftest%2Fgcc-10%2Fkernel%2FbzImage exists
    8 07:56:47.784951  Using caching service: 'http://localhost/cache/?uri=%s'
    9 07:56:47.785125  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230303.0%2Famd64%2Ffull.rootfs.tar.xz exists
   10 07:56:52.962377  Using caching service: 'http://localhost/cache/?uri=%s'
   11 07:56:52.962583  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.168-cip27-638-g0d599cd2b6695%2Fx86_64%2Fx86_64_defconfig%2Bx86-chromebook%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   12 07:56:54.966556  validate duration: 7.77
   14 07:56:54.966966  start: 1 tftp-deploy (timeout 00:10:00) [common]
   15 07:56:54.967107  start: 1.1 download-retry (timeout 00:10:00) [common]
   16 07:56:54.967237  start: 1.1.1 http-download (timeout 00:10:00) [common]
   17 07:56:54.967373  Not decompressing ramdisk as can be used compressed.
   18 07:56:54.967495  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230303.0/amd64/initrd.cpio.gz
   19 07:56:54.967566  saving as /var/lib/lava/dispatcher/tmp/9568396/tftp-deploy-idv8fnkn/ramdisk/initrd.cpio.gz
   20 07:56:54.967637  total size: 5432112 (5MB)
   21 07:56:54.968696  progress   0% (0MB)
   22 07:56:54.970316  progress   5% (0MB)
   23 07:56:54.971963  progress  10% (0MB)
   24 07:56:54.973407  progress  15% (0MB)
   25 07:56:54.975032  progress  20% (1MB)
   26 07:56:54.976476  progress  25% (1MB)
   27 07:56:54.977971  progress  30% (1MB)
   28 07:56:54.979683  progress  35% (1MB)
   29 07:56:54.981106  progress  40% (2MB)
   30 07:56:54.982476  progress  45% (2MB)
   31 07:56:54.983995  progress  50% (2MB)
   32 07:56:54.985541  progress  55% (2MB)
   33 07:56:54.986912  progress  60% (3MB)
   34 07:56:54.988418  progress  65% (3MB)
   35 07:56:54.990098  progress  70% (3MB)
   36 07:56:54.991626  progress  75% (3MB)
   37 07:56:54.993035  progress  80% (4MB)
   38 07:56:54.994417  progress  85% (4MB)
   39 07:56:54.995947  progress  90% (4MB)
   40 07:56:54.997465  progress  95% (4MB)
   41 07:56:54.998911  progress 100% (5MB)
   42 07:56:54.999131  5MB downloaded in 0.03s (164.52MB/s)
   43 07:56:54.999315  end: 1.1.1 http-download (duration 00:00:00) [common]
   45 07:56:54.999739  end: 1.1 download-retry (duration 00:00:00) [common]
   46 07:56:54.999860  start: 1.2 download-retry (timeout 00:10:00) [common]
   47 07:56:54.999979  start: 1.2.1 http-download (timeout 00:10:00) [common]
   48 07:56:55.000154  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.168-cip27-638-g0d599cd2b6695/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kernel/bzImage
   49 07:56:55.000230  saving as /var/lib/lava/dispatcher/tmp/9568396/tftp-deploy-idv8fnkn/kernel/bzImage
   50 07:56:55.000295  total size: 14517184 (13MB)
   51 07:56:55.000359  No compression specified
   52 07:56:55.001217  progress   0% (0MB)
   53 07:56:55.004956  progress   5% (0MB)
   54 07:56:55.008797  progress  10% (1MB)
   55 07:56:55.012494  progress  15% (2MB)
   56 07:56:55.016125  progress  20% (2MB)
   57 07:56:55.019787  progress  25% (3MB)
   58 07:56:55.023455  progress  30% (4MB)
   59 07:56:55.027283  progress  35% (4MB)
   60 07:56:55.030967  progress  40% (5MB)
   61 07:56:55.034645  progress  45% (6MB)
   62 07:56:55.038301  progress  50% (6MB)
   63 07:56:55.041957  progress  55% (7MB)
   64 07:56:55.045629  progress  60% (8MB)
   65 07:56:55.049199  progress  65% (9MB)
   66 07:56:55.052939  progress  70% (9MB)
   67 07:56:55.056477  progress  75% (10MB)
   68 07:56:55.059992  progress  80% (11MB)
   69 07:56:55.063490  progress  85% (11MB)
   70 07:56:55.067112  progress  90% (12MB)
   71 07:56:55.070735  progress  95% (13MB)
   72 07:56:55.074499  progress 100% (13MB)
   73 07:56:55.074627  13MB downloaded in 0.07s (186.27MB/s)
   74 07:56:55.074780  end: 1.2.1 http-download (duration 00:00:00) [common]
   76 07:56:55.075026  end: 1.2 download-retry (duration 00:00:00) [common]
   77 07:56:55.075119  start: 1.3 download-retry (timeout 00:10:00) [common]
   78 07:56:55.075208  start: 1.3.1 http-download (timeout 00:10:00) [common]
   79 07:56:55.075320  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230303.0/amd64/full.rootfs.tar.xz
   80 07:56:55.075392  saving as /var/lib/lava/dispatcher/tmp/9568396/tftp-deploy-idv8fnkn/nfsrootfs/full.rootfs.tar
   81 07:56:55.075456  total size: 207163184 (197MB)
   82 07:56:55.075519  Using unxz to decompress xz
   83 07:56:55.078617  progress   0% (0MB)
   84 07:56:55.674988  progress   5% (9MB)
   85 07:56:56.253312  progress  10% (19MB)
   86 07:56:56.885166  progress  15% (29MB)
   87 07:56:57.272584  progress  20% (39MB)
   88 07:56:57.661764  progress  25% (49MB)
   89 07:56:58.282594  progress  30% (59MB)
   90 07:56:58.864490  progress  35% (69MB)
   91 07:56:59.489446  progress  40% (79MB)
   92 07:57:00.078803  progress  45% (88MB)
   93 07:57:00.670505  progress  50% (98MB)
   94 07:57:01.308127  progress  55% (108MB)
   95 07:57:02.012446  progress  60% (118MB)
   96 07:57:02.163909  progress  65% (128MB)
   97 07:57:02.323783  progress  70% (138MB)
   98 07:57:02.421134  progress  75% (148MB)
   99 07:57:02.498293  progress  80% (158MB)
  100 07:57:02.573504  progress  85% (167MB)
  101 07:57:02.680090  progress  90% (177MB)
  102 07:57:02.957529  progress  95% (187MB)
  103 07:57:03.580467  progress 100% (197MB)
  104 07:57:03.585970  197MB downloaded in 8.51s (23.21MB/s)
  105 07:57:03.586285  end: 1.3.1 http-download (duration 00:00:09) [common]
  107 07:57:03.586603  end: 1.3 download-retry (duration 00:00:09) [common]
  108 07:57:03.586699  start: 1.4 download-retry (timeout 00:09:51) [common]
  109 07:57:03.586788  start: 1.4.1 http-download (timeout 00:09:51) [common]
  110 07:57:03.586903  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.168-cip27-638-g0d599cd2b6695/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/modules.tar.xz
  111 07:57:03.586975  saving as /var/lib/lava/dispatcher/tmp/9568396/tftp-deploy-idv8fnkn/modules/modules.tar
  112 07:57:03.587037  total size: 3404600 (3MB)
  113 07:57:03.587098  Using unxz to decompress xz
  114 07:57:03.590253  progress   0% (0MB)
  115 07:57:03.596577  progress   5% (0MB)
  116 07:57:03.606542  progress  10% (0MB)
  117 07:57:03.617363  progress  15% (0MB)
  118 07:57:03.627839  progress  20% (0MB)
  119 07:57:03.637354  progress  25% (0MB)
  120 07:57:03.647638  progress  30% (1MB)
  121 07:57:03.657782  progress  35% (1MB)
  122 07:57:03.671086  progress  40% (1MB)
  123 07:57:03.680554  progress  45% (1MB)
  124 07:57:03.690799  progress  50% (1MB)
  125 07:57:03.706561  progress  55% (1MB)
  126 07:57:03.716616  progress  60% (1MB)
  127 07:57:03.726722  progress  65% (2MB)
  128 07:57:03.736836  progress  70% (2MB)
  129 07:57:03.747041  progress  75% (2MB)
  130 07:57:03.759216  progress  80% (2MB)
  131 07:57:03.769816  progress  85% (2MB)
  132 07:57:03.780310  progress  90% (2MB)
  133 07:57:03.791140  progress  95% (3MB)
  134 07:57:03.801354  progress 100% (3MB)
  135 07:57:03.809510  3MB downloaded in 0.22s (14.60MB/s)
  136 07:57:03.809825  end: 1.4.1 http-download (duration 00:00:00) [common]
  138 07:57:03.810102  end: 1.4 download-retry (duration 00:00:00) [common]
  139 07:57:03.810203  start: 1.5 prepare-tftp-overlay (timeout 00:09:51) [common]
  140 07:57:03.810303  start: 1.5.1 extract-nfsrootfs (timeout 00:09:51) [common]
  141 07:57:05.883206  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/9568396/extract-nfsrootfs-vzqianvc
  142 07:57:05.883406  end: 1.5.1 extract-nfsrootfs (duration 00:00:02) [common]
  143 07:57:05.883515  start: 1.5.2 lava-overlay (timeout 00:09:49) [common]
  144 07:57:05.883660  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84
  145 07:57:05.883769  makedir: /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin
  146 07:57:05.883858  makedir: /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/tests
  147 07:57:05.883943  makedir: /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/results
  148 07:57:05.884046  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-add-keys
  149 07:57:05.884182  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-add-sources
  150 07:57:05.884300  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-background-process-start
  151 07:57:05.884418  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-background-process-stop
  152 07:57:05.884534  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-common-functions
  153 07:57:05.884650  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-echo-ipv4
  154 07:57:05.884765  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-install-packages
  155 07:57:05.884878  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-installed-packages
  156 07:57:05.884991  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-os-build
  157 07:57:05.885104  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-probe-channel
  158 07:57:05.885217  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-probe-ip
  159 07:57:05.885330  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-target-ip
  160 07:57:05.885442  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-target-mac
  161 07:57:05.885553  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-target-storage
  162 07:57:05.885668  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-test-case
  163 07:57:05.885781  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-test-event
  164 07:57:05.885891  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-test-feedback
  165 07:57:05.886006  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-test-raise
  166 07:57:05.886116  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-test-reference
  167 07:57:05.886227  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-test-runner
  168 07:57:05.886339  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-test-set
  169 07:57:05.886452  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-test-shell
  170 07:57:05.886638  Updating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-add-keys (debian)
  171 07:57:05.886767  Updating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-add-sources (debian)
  172 07:57:05.886888  Updating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-install-packages (debian)
  173 07:57:05.887005  Updating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-installed-packages (debian)
  174 07:57:05.887120  Updating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/bin/lava-os-build (debian)
  175 07:57:05.887220  Creating /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/environment
  176 07:57:05.887311  LAVA metadata
  177 07:57:05.887384  - LAVA_JOB_ID=9568396
  178 07:57:05.887452  - LAVA_DISPATCHER_IP=192.168.201.1
  179 07:57:05.887553  start: 1.5.2.1 lava-vland-overlay (timeout 00:09:49) [common]
  180 07:57:05.887620  skipped lava-vland-overlay
  181 07:57:05.887700  end: 1.5.2.1 lava-vland-overlay (duration 00:00:00) [common]
  182 07:57:05.887785  start: 1.5.2.2 lava-multinode-overlay (timeout 00:09:49) [common]
  183 07:57:05.887850  skipped lava-multinode-overlay
  184 07:57:05.887926  end: 1.5.2.2 lava-multinode-overlay (duration 00:00:00) [common]
  185 07:57:05.888023  start: 1.5.2.3 test-definition (timeout 00:09:49) [common]
  186 07:57:05.888104  Loading test definitions
  187 07:57:05.888198  start: 1.5.2.3.1 inline-repo-action (timeout 00:09:49) [common]
  188 07:57:05.888270  Using /lava-9568396 at stage 0
  189 07:57:05.888509  uuid=9568396_1.5.2.3.1 testdef=None
  190 07:57:05.888601  end: 1.5.2.3.1 inline-repo-action (duration 00:00:00) [common]
  191 07:57:05.888689  start: 1.5.2.3.2 test-overlay (timeout 00:09:49) [common]
  192 07:57:05.889110  end: 1.5.2.3.2 test-overlay (duration 00:00:00) [common]
  194 07:57:05.889345  start: 1.5.2.3.3 test-install-overlay (timeout 00:09:49) [common]
  195 07:57:05.889840  end: 1.5.2.3.3 test-install-overlay (duration 00:00:00) [common]
  197 07:57:05.890084  start: 1.5.2.3.4 test-runscript-overlay (timeout 00:09:49) [common]
  198 07:57:05.890567  runner path: /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/0/tests/0_timesync-off test_uuid 9568396_1.5.2.3.1
  199 07:57:05.890716  end: 1.5.2.3.4 test-runscript-overlay (duration 00:00:00) [common]
  201 07:57:05.890973  start: 1.5.2.3.5 git-repo-action (timeout 00:09:49) [common]
  202 07:57:05.891049  Using /lava-9568396 at stage 0
  203 07:57:05.891148  Fetching tests from https://github.com/kernelci/test-definitions.git
  204 07:57:05.891232  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/0/tests/1_kselftest-lkdtm'
  205 07:57:09.217584  Running '/usr/bin/git checkout kernelci.org
  206 07:57:09.357724  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  207 07:57:09.358420  uuid=9568396_1.5.2.3.5 testdef=None
  208 07:57:09.358596  end: 1.5.2.3.5 git-repo-action (duration 00:00:03) [common]
  210 07:57:09.358865  start: 1.5.2.3.6 test-overlay (timeout 00:09:46) [common]
  211 07:57:09.359591  end: 1.5.2.3.6 test-overlay (duration 00:00:00) [common]
  213 07:57:09.359845  start: 1.5.2.3.7 test-install-overlay (timeout 00:09:46) [common]
  214 07:57:09.360767  end: 1.5.2.3.7 test-install-overlay (duration 00:00:00) [common]
  216 07:57:09.361026  start: 1.5.2.3.8 test-runscript-overlay (timeout 00:09:46) [common]
  217 07:57:09.361916  runner path: /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/0/tests/1_kselftest-lkdtm test_uuid 9568396_1.5.2.3.5
  218 07:57:09.362010  BOARD='asus-C433TA-AJ0005-rammus'
  219 07:57:09.362080  BRANCH='cip-gitlab'
  220 07:57:09.362144  SKIPFILE='skipfile-lkft.yaml'
  221 07:57:09.362208  SKIP_INSTALL='True'
  222 07:57:09.362268  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.168-cip27-638-g0d599cd2b6695/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz'
  223 07:57:09.362331  TST_CASENAME=''
  224 07:57:09.362390  TST_CMDFILES='lkdtm'
  225 07:57:09.362532  end: 1.5.2.3.8 test-runscript-overlay (duration 00:00:00) [common]
  227 07:57:09.362756  Creating lava-test-runner.conf files
  228 07:57:09.362831  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/9568396/lava-overlay-6smhno84/lava-9568396/0 for stage 0
  229 07:57:09.362920  - 0_timesync-off
  230 07:57:09.362993  - 1_kselftest-lkdtm
  231 07:57:09.363088  end: 1.5.2.3 test-definition (duration 00:00:03) [common]
  232 07:57:09.363184  start: 1.5.2.4 compress-overlay (timeout 00:09:46) [common]
  233 07:57:16.949112  end: 1.5.2.4 compress-overlay (duration 00:00:08) [common]
  234 07:57:16.949270  start: 1.5.2.5 persistent-nfs-overlay (timeout 00:09:38) [common]
  235 07:57:16.949369  end: 1.5.2.5 persistent-nfs-overlay (duration 00:00:00) [common]
  236 07:57:16.949470  end: 1.5.2 lava-overlay (duration 00:00:11) [common]
  237 07:57:16.949563  start: 1.5.3 extract-overlay-ramdisk (timeout 00:09:38) [common]
  238 07:57:17.054334  end: 1.5.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  239 07:57:17.054720  start: 1.5.4 extract-modules (timeout 00:09:38) [common]
  240 07:57:17.054942  extracting modules file /var/lib/lava/dispatcher/tmp/9568396/tftp-deploy-idv8fnkn/modules/modules.tar to /var/lib/lava/dispatcher/tmp/9568396/extract-nfsrootfs-vzqianvc
  241 07:57:17.104574  extracting modules file /var/lib/lava/dispatcher/tmp/9568396/tftp-deploy-idv8fnkn/modules/modules.tar to /var/lib/lava/dispatcher/tmp/9568396/extract-overlay-ramdisk-gvax3w72/ramdisk
  242 07:57:17.150826  end: 1.5.4 extract-modules (duration 00:00:00) [common]
  243 07:57:17.150993  start: 1.5.5 apply-overlay-tftp (timeout 00:09:38) [common]
  244 07:57:17.151092  [common] Applying overlay to NFS
  245 07:57:17.151173  [common] Applying overlay /var/lib/lava/dispatcher/tmp/9568396/compress-overlay-dk6ponu8/overlay-1.5.2.4.tar.gz to directory /var/lib/lava/dispatcher/tmp/9568396/extract-nfsrootfs-vzqianvc
  246 07:57:17.946530  end: 1.5.5 apply-overlay-tftp (duration 00:00:01) [common]
  247 07:57:17.946701  start: 1.5.6 configure-preseed-file (timeout 00:09:37) [common]
  248 07:57:17.946799  end: 1.5.6 configure-preseed-file (duration 00:00:00) [common]
  249 07:57:17.946893  start: 1.5.7 compress-ramdisk (timeout 00:09:37) [common]
  250 07:57:17.946980  Building ramdisk /var/lib/lava/dispatcher/tmp/9568396/extract-overlay-ramdisk-gvax3w72/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/9568396/extract-overlay-ramdisk-gvax3w72/ramdisk
  251 07:57:18.037492  >> 69032 blocks

  252 07:57:19.128301  rename /var/lib/lava/dispatcher/tmp/9568396/extract-overlay-ramdisk-gvax3w72/ramdisk.cpio.gz to /var/lib/lava/dispatcher/tmp/9568396/tftp-deploy-idv8fnkn/ramdisk/ramdisk.cpio.gz
  253 07:57:19.128696  end: 1.5.7 compress-ramdisk (duration 00:00:01) [common]
  254 07:57:19.128818  start: 1.5.8 prepare-kernel (timeout 00:09:36) [common]
  255 07:57:19.128921  start: 1.5.8.1 prepare-fit (timeout 00:09:36) [common]
  256 07:57:19.129020  No mkimage arch provided, not using FIT.
  257 07:57:19.129109  end: 1.5.8.1 prepare-fit (duration 00:00:00) [common]
  258 07:57:19.129196  end: 1.5.8 prepare-kernel (duration 00:00:00) [common]
  259 07:57:19.129299  end: 1.5 prepare-tftp-overlay (duration 00:00:15) [common]
  260 07:57:19.129399  start: 1.6 lxc-create-udev-rule-action (timeout 00:09:36) [common]
  261 07:57:19.129479  No LXC device requested
  262 07:57:19.129561  end: 1.6 lxc-create-udev-rule-action (duration 00:00:00) [common]
  263 07:57:19.129647  start: 1.7 deploy-device-env (timeout 00:09:36) [common]
  264 07:57:19.129731  end: 1.7 deploy-device-env (duration 00:00:00) [common]
  265 07:57:19.129800  Checking files for TFTP limit of 4294967296 bytes.
  266 07:57:19.130224  end: 1 tftp-deploy (duration 00:00:24) [common]
  267 07:57:19.130333  start: 2 depthcharge-action (timeout 00:05:00) [common]
  268 07:57:19.130430  start: 2.1 depthcharge-overlay (timeout 00:05:00) [common]
  269 07:57:19.130600  substitutions:
  270 07:57:19.130671  - {DTB}: None
  271 07:57:19.130735  - {INITRD}: 9568396/tftp-deploy-idv8fnkn/ramdisk/ramdisk.cpio.gz
  272 07:57:19.130796  - {KERNEL}: 9568396/tftp-deploy-idv8fnkn/kernel/bzImage
  273 07:57:19.130856  - {LAVA_MAC}: None
  274 07:57:19.130913  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/9568396/extract-nfsrootfs-vzqianvc
  275 07:57:19.130970  - {NFS_SERVER_IP}: 192.168.201.1
  276 07:57:19.131059  - {PRESEED_CONFIG}: None
  277 07:57:19.131147  - {PRESEED_LOCAL}: None
  278 07:57:19.131234  - {RAMDISK}: 9568396/tftp-deploy-idv8fnkn/ramdisk/ramdisk.cpio.gz
  279 07:57:19.131292  - {ROOT_PART}: None
  280 07:57:19.131347  - {ROOT}: None
  281 07:57:19.131403  - {SERVER_IP}: 192.168.201.1
  282 07:57:19.131458  - {TEE}: None
  283 07:57:19.131514  Parsed boot commands:
  284 07:57:19.131569  - tftpboot 192.168.201.1 {DEPTHCHARGE_KERNEL} {CMDLINE} {DEPTHCHARGE_RAMDISK}
  285 07:57:19.131725  Parsed boot commands: tftpboot 192.168.201.1 9568396/tftp-deploy-idv8fnkn/kernel/bzImage 9568396/tftp-deploy-idv8fnkn/kernel/cmdline 9568396/tftp-deploy-idv8fnkn/ramdisk/ramdisk.cpio.gz
  286 07:57:19.131820  end: 2.1 depthcharge-overlay (duration 00:00:00) [common]
  287 07:57:19.131912  start: 2.2 depthcharge-retry (timeout 00:05:00) [common]
  288 07:57:19.132005  start: 2.2.1 reset-connection (timeout 00:05:00) [common]
  289 07:57:19.132092  start: 2.2.1.1 disconnect-device (timeout 00:05:00) [common]
  290 07:57:19.132167  Not connected, no need to disconnect.
  291 07:57:19.132247  end: 2.2.1.1 disconnect-device (duration 00:00:00) [common]
  292 07:57:19.132331  start: 2.2.1.2 connect-device (timeout 00:05:00) [common]
  293 07:57:19.132397  [common] connect-device Connecting to device using '/usr/bin/console -k -f -M localhost asus-C433TA-AJ0005-rammus-cbg-2'
  294 07:57:19.135502  Setting prompt string to ['lava-test: # ']
  295 07:57:19.135812  end: 2.2.1.2 connect-device (duration 00:00:00) [common]
  296 07:57:19.135919  end: 2.2.1 reset-connection (duration 00:00:00) [common]
  297 07:57:19.136015  start: 2.2.2 reset-device (timeout 00:05:00) [common]
  298 07:57:19.136109  start: 2.2.2.1 pdu-reboot (timeout 00:05:00) [common]
  299 07:57:19.136284  Calling: 'nice' 'pduclient' '--daemon=localhost' '--hostname=asus-C433TA-AJ0005-rammus-cbg-2' '--port=1' '--command=reboot'
  300 07:57:24.270911  >> Command sent successfully.

  301 07:57:24.273131  Returned 0 in 5 seconds
  302 07:57:24.373926  end: 2.2.2.1 pdu-reboot (duration 00:00:05) [common]
  304 07:57:24.374246  end: 2.2.2 reset-device (duration 00:00:05) [common]
  305 07:57:24.374364  start: 2.2.3 depthcharge-start (timeout 00:04:55) [common]
  306 07:57:24.374454  Setting prompt string to 'Starting depthcharge on rammus...'
  307 07:57:24.374550  Changing prompt to 'Starting depthcharge on rammus...'
  308 07:57:24.374649  depthcharge-start: Wait for prompt Starting depthcharge on rammus... (timeout 00:05:00)
  309 07:57:24.374957  [Enter `^Ec?' for help]

  310 07:57:24.974344  

  311 07:57:24.974536  

  312 07:57:24.974859  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 bootblock starting...

  313 07:57:24.974935  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz

  314 07:57:24.975002  CPU: ID 806e9, Kabylake H0, ucode: 00000097

  315 07:57:24.975064  CPU: AES supported, TXT NOT supported, VT supported

  316 07:57:24.975361  MCH: device id 590c (rev 02) is Kabylake-Y

  317 07:57:24.975459  PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium

  318 07:57:24.975588  IGD: device id 591c (rev 02) is Amberlake ULX GT2

  319 07:57:24.975652  VBOOT: Loading verstage.

  320 07:57:24.975889  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  321 07:57:24.982411  CBFS: Locating 'fallback/verstage'

  322 07:57:24.982505  CBFS: Found @ offset 1a0a80 size f47c

  323 07:57:24.994227  

  324 07:57:24.994337  

  325 07:57:25.001054  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 verstage starting...

  326 07:57:25.017278  Probing TPM: . done!

  327 07:57:25.020239  TPM ready after 0 ms

  328 07:57:25.023805  Connected to device vid:did:rid of 1ae0:0028:00

  329 07:57:25.033799  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab

  330 07:57:25.037305  Initialized TPM device CR50 revision 0

  331 07:57:25.083773  tlcl_send_startup: Startup return code is 0

  332 07:57:25.083899  TPM: setup succeeded

  333 07:57:25.096627  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0

  334 07:57:25.100900  Chrome EC: UHEPI supported

  335 07:57:25.103968  Phase 1

  336 07:57:25.107252  FMAP: Found "FLASH" version 1.1 at c10000.

  337 07:57:25.114356  FMAP: base = ff000000 size = 1000000 #areas = 33

  338 07:57:25.117356  FMAP: area GBB found @ c11000 (978944 bytes)

  339 07:57:25.123900  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0

  340 07:57:25.123983  Phase 2

  341 07:57:25.127328  Phase 3

  342 07:57:25.131104  FMAP: area GBB found @ c11000 (978944 bytes)

  343 07:57:25.137369  VB2:vb2_report_dev_firmware() This is developer signed firmware

  344 07:57:25.143852  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  345 07:57:25.147344  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  346 07:57:25.154081  VB2:vb2_verify_keyblock() Checking key block signature...

  347 07:57:25.174799  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  348 07:57:25.177579  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  349 07:57:25.184216  VB2:vb2_verify_fw_preamble() Verifying preamble.

  350 07:57:25.190048  Phase 4

  351 07:57:25.193177  FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes)

  352 07:57:25.200051  VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW

  353 07:57:25.460023  VB2:vb2_rsa_verify_digest() Digest check failed!

  354 07:57:25.463073  VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7

  355 07:57:25.466139  Saving nvdata

  356 07:57:25.469916  Reboot requested (10020007)

  357 07:57:25.472917  board_reset() called!

  358 07:57:25.473009  full_reset() called!

  359 07:57:29.949799  

  360 07:57:29.949942  

  361 07:57:29.956464  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 bootblock starting...

  362 07:57:29.963255  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz

  363 07:57:29.966431  CPU: ID 806e9, Kabylake H0, ucode: 00000097

  364 07:57:29.973087  CPU: AES supported, TXT NOT supported, VT supported

  365 07:57:29.976215  MCH: device id 590c (rev 02) is Kabylake-Y

  366 07:57:29.982928  PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium

  367 07:57:29.986063  IGD: device id 591c (rev 02) is Amberlake ULX GT2

  368 07:57:29.989499  VBOOT: Loading verstage.

  369 07:57:29.996673  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  370 07:57:29.999778  CBFS: Locating 'fallback/verstage'

  371 07:57:30.003127  CBFS: Found @ offset 1a0a80 size f47c

  372 07:57:30.016734  

  373 07:57:30.016826  

  374 07:57:30.023411  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 verstage starting...

  375 07:57:30.039584  Probing TPM: . done!

  376 07:57:30.042644  TPM ready after 0 ms

  377 07:57:30.046424  Connected to device vid:did:rid of 1ae0:0028:00

  378 07:57:30.056716  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab

  379 07:57:30.060085  Initialized TPM device CR50 revision 0

  380 07:57:30.106287  tlcl_send_startup: Startup return code is 0

  381 07:57:30.106422  TPM: setup succeeded

  382 07:57:30.119280  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0

  383 07:57:30.123477  Chrome EC: UHEPI supported

  384 07:57:30.126423  Phase 1

  385 07:57:30.129973  FMAP: Found "FLASH" version 1.1 at c10000.

  386 07:57:30.136821  FMAP: base = ff000000 size = 1000000 #areas = 33

  387 07:57:30.139720  FMAP: area GBB found @ c11000 (978944 bytes)

  388 07:57:30.146725  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7

  389 07:57:30.153286  VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0

  390 07:57:30.156107  Recovery requested (1009000e)

  391 07:57:30.156194  Saving nvdata

  392 07:57:30.167137  tlcl_extend: response is 0

  393 07:57:30.176071  tlcl_extend: response is 0

  394 07:57:30.182262  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  395 07:57:30.185956  CBFS: Locating 'fallback/romstage'

  396 07:57:30.188964  CBFS: Found @ offset 80 size 10ffc

  397 07:57:30.193286  

  398 07:57:30.193374  

  399 07:57:30.199536  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 romstage starting...

  400 07:57:30.206840  pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00

  401 07:57:30.210118  gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000

  402 07:57:30.213828  gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000

  403 07:57:30.220378  gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000

  404 07:57:30.223303  gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000

  405 07:57:30.226810  TCO_STS:   0000 0000

  406 07:57:30.229912  GEN_PMCON: e0040200 0000523a

  407 07:57:30.233318  GBLRST_CAUSE: 00000000 00000000

  408 07:57:30.233407  prev_sleep_state 5

  409 07:57:30.236773  Boot Count incremented to 45865

  410 07:57:30.242892  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  411 07:57:30.246445  CBFS: Locating 'fspm.bin'

  412 07:57:30.249314  CBFS: Found @ offset 103fc0 size 63000

  413 07:57:30.252972  Chrome EC: UHEPI supported

  414 07:57:30.260546  FMAP: Found "FLASH" version 1.1 at c10000.

  415 07:57:30.264052  FMAP: base = ff000000 size = 1000000 #areas = 33

  416 07:57:30.270420  FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes)

  417 07:57:30.274884  Probing TPM:  done!

  418 07:57:30.281442  Connected to device vid:did:rid of 1ae0:0028:00

  419 07:57:30.291272  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab

  420 07:57:30.298065  Initialized TPM device CR50 revision 0

  421 07:57:30.307266  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  422 07:57:30.317493  MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE

  423 07:57:30.317593  MRC cache found, size 1868

  424 07:57:30.320432  bootmode is set to :2

  425 07:57:30.323666  SPD index 1

  426 07:57:30.327170  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  427 07:57:30.330660  CBFS: Locating 'spd.bin'

  428 07:57:30.333882  CBFS: Found @ offset 1a0240 size 800

  429 07:57:30.336793  SPD: module type is LPDDR3

  430 07:57:30.340405  SPD: module part is K4E8E324EB-EGCF   

  431 07:57:30.347105  SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb

  432 07:57:30.350291  SPD: device width 32 bits, bus width 64 bits

  433 07:57:30.357228  SPD: module size is 2048 MB (per channel)

  434 07:57:30.469155  CBMEM:

  435 07:57:30.472162  IMD: root @ 7afff000 254 entries.

  436 07:57:30.475740  IMD: root @ 7affec00 62 entries.

  437 07:57:30.478691  External stage cache:

  438 07:57:30.482363  IMD: root @ 7b3ff000 254 entries.

  439 07:57:30.485322  IMD: root @ 7b3fec00 62 entries.

  440 07:57:30.488960  creating vboot_handoff structure

  441 07:57:30.495186  Chrome EC: clear events_b mask to 0x0000000021004000

  442 07:57:30.510262  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  443 07:57:30.525253  tlcl_write: response is 0

  444 07:57:30.534012  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  445 07:57:30.540758  MRC: TPM MRC hash updated successfully.

  446 07:57:30.540858  2 DIMMs found

  447 07:57:30.544341  top_of_ram = 0x7b000000

  448 07:57:30.551057  MTRR Range: Start=7a000000 End=7b000000 (Size 1000000)

  449 07:57:30.554134  MTRR Range: Start=7b000000 End=7b800000 (Size 800000)

  450 07:57:30.560794  MTRR Range: Start=ff000000 End=0 (Size 1000000)

  451 07:57:30.564446  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  452 07:57:30.567546  CBFS: Locating 'fallback/postcar'

  453 07:57:30.574184  CBFS: Found @ offset 197000 size 3f04

  454 07:57:30.577580  Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes)

  455 07:57:30.589085  Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90

  456 07:57:30.592136  Processing 118 relocs. Offset value of 0x78bd1000

  457 07:57:30.599579  

  458 07:57:30.599693  

  459 07:57:30.605728  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 postcar starting...

  460 07:57:30.612685  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  461 07:57:30.615942  CBFS: Locating 'fallback/ramstage'

  462 07:57:30.622990  CBFS: Found @ offset e8d80 size 1a462

  463 07:57:30.626042  Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes)

  464 07:57:30.665306  Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78

  465 07:57:30.668386  Processing 3657 relocs. Offset value of 0x79d06000

  466 07:57:30.672088  

  467 07:57:30.672174  

  468 07:57:30.678400  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 ramstage starting...

  469 07:57:30.684947  FMAP: Found "FLASH" version 1.1 at c10000.

  470 07:57:30.688511  FMAP: base = ff000000 size = 1000000 #areas = 33

  471 07:57:30.695086  FMAP: area RO_VPD found @ c00000 (16384 bytes)

  472 07:57:30.698219  WARNING: RO_VPD is uninitialized or empty.

  473 07:57:30.701906  FMAP: area RW_VPD found @ 9f8000 (8192 bytes)

  474 07:57:30.708707  FMAP: area RW_VPD found @ 9f8000 (8192 bytes)

  475 07:57:30.708797  Normal boot.

  476 07:57:30.714944  BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0

  477 07:57:30.721387  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  478 07:57:30.725092  CBFS: Locating 'cpu_microcode_blob.bin'

  479 07:57:30.727990  CBFS: Found @ offset 11100 size d7c00

  480 07:57:30.731650  microcode: sig=0x806e9 pf=0x10 revision=0x97

  481 07:57:30.734976  Skip microcode update

  482 07:57:30.741531  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  483 07:57:30.744653  CBFS: Locating 'fsps.bin'

  484 07:57:30.747725  CBFS: Found @ offset 167fc0 size 2f000

  485 07:57:30.772983  Detected 2 core, 4 thread CPU.

  486 07:57:30.776633  Setting up SMI for CPU

  487 07:57:30.779621  IED base = 0x7b400000

  488 07:57:30.779717  IED size = 0x00400000

  489 07:57:30.783215  Will perform SMM setup.

  490 07:57:30.789865  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz.

  491 07:57:30.796164  Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170

  492 07:57:30.799245  Processing 16 relocs. Offset value of 0x00030000

  493 07:57:30.803523  Attempting to start 3 APs

  494 07:57:30.806637  Waiting for 10ms after sending INIT.

  495 07:57:30.823006  Waiting for 1st SIPI to complete...done.

  496 07:57:30.823105  AP: slot 3 apic_id 2.

  497 07:57:30.826729  AP: slot 2 apic_id 3.

  498 07:57:30.829420  Waiting for 2nd SIPI to complete...done.

  499 07:57:30.833367  AP: slot 1 apic_id 1.

  500 07:57:30.840065  Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8

  501 07:57:30.846596  Processing 13 relocs. Offset value of 0x00038000

  502 07:57:30.852992  SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000)

  503 07:57:30.856012  Installing SMM handler to 0x7b000000

  504 07:57:30.862702  Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0

  505 07:57:30.869403  Processing 243 relocs. Offset value of 0x7b010000

  506 07:57:30.875935  Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8

  507 07:57:30.882704  Processing 13 relocs. Offset value of 0x7b008000

  508 07:57:30.885638  SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd

  509 07:57:30.892189  SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd

  510 07:57:30.898729  SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd

  511 07:57:30.905411  SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000)

  512 07:57:30.909081  Clearing SMI status registers

  513 07:57:30.909176  SMI_STS: PM1 

  514 07:57:30.912504  PM1_STS: PWRBTN 

  515 07:57:30.915480  TCO_STS: BOOT SECOND_TO 

  516 07:57:30.915571  New SMBASE 0x7b000000

  517 07:57:30.918946  In relocation handler: CPU 0

  518 07:57:30.925741  New SMBASE=0x7b000000 IEDBASE=0x7b400000

  519 07:57:30.928886  Writing SMRR. base = 0x7b000006, mask=0xff800800

  520 07:57:30.932338  Relocation complete.

  521 07:57:30.932430  New SMBASE 0x7afffc00

  522 07:57:30.935355  In relocation handler: CPU 1

  523 07:57:30.938401  New SMBASE=0x7afffc00 IEDBASE=0x7b400000

  524 07:57:30.945717  Writing SMRR. base = 0x7b000006, mask=0xff800800

  525 07:57:30.948731  Relocation complete.

  526 07:57:30.948822  New SMBASE 0x7afff400

  527 07:57:30.952079  In relocation handler: CPU 3

  528 07:57:30.955379  New SMBASE=0x7afff400 IEDBASE=0x7b400000

  529 07:57:30.962057  Writing SMRR. base = 0x7b000006, mask=0xff800800

  530 07:57:30.965122  Relocation complete.

  531 07:57:30.965222  New SMBASE 0x7afff800

  532 07:57:30.968714  In relocation handler: CPU 2

  533 07:57:30.971718  New SMBASE=0x7afff800 IEDBASE=0x7b400000

  534 07:57:30.978704  Writing SMRR. base = 0x7b000006, mask=0xff800800

  535 07:57:30.978800  Relocation complete.

  536 07:57:30.981470  Initializing CPU #0

  537 07:57:30.985089  CPU: vendor Intel device 806e9

  538 07:57:30.988345  CPU: family 06, model 8e, stepping 09

  539 07:57:30.995074  Setting up local APIC... apic_id: 0x00 done.

  540 07:57:30.995179  Turbo is available but hidden

  541 07:57:30.998207  Turbo has been enabled

  542 07:57:31.001603  SGX : param.enable = 0

  543 07:57:31.005049  Skip microcode update

  544 07:57:31.005137  CPU #0 initialized

  545 07:57:31.008356  Initializing CPU #1

  546 07:57:31.008444  Initializing CPU #2

  547 07:57:31.011796  Initializing CPU #3

  548 07:57:31.014854  CPU: vendor Intel device 806e9

  549 07:57:31.017957  CPU: family 06, model 8e, stepping 09

  550 07:57:31.021674  CPU: vendor Intel device 806e9

  551 07:57:31.024740  CPU: family 06, model 8e, stepping 09

  552 07:57:31.031576  Setting up local APIC...CPU: vendor Intel device 806e9

  553 07:57:31.034925  CPU: family 06, model 8e, stepping 09

  554 07:57:31.037673   apic_id: 0x03 done.

  555 07:57:31.044732  Setting up local APIC...Setting up local APIC... apic_id: 0x02 done.

  556 07:57:31.044849  Skip microcode update

  557 07:57:31.047678  Skip microcode update

  558 07:57:31.051051  CPU #2 initialized

  559 07:57:31.051136  CPU #3 initialized

  560 07:57:31.054841   apic_id: 0x01 done.

  561 07:57:31.057861  Skip microcode update

  562 07:57:31.057944  CPU #1 initialized

  563 07:57:31.061461  bsp_do_flight_plan done after 229 msecs.

  564 07:57:31.064712  CPU: frequency set to 3400 MHz

  565 07:57:31.067737  Enabling SMIs.

  566 07:57:31.067827  Locking SMM.

  567 07:57:31.071358  VMX : param.enable = 1

  568 07:57:31.074471  VMX status: enabled, unlocked

  569 07:57:31.077620  SGX: pre-conditions not met

  570 07:57:31.081282  VMX status: enabled, unlocked

  571 07:57:31.084252  SGX: pre-conditions not met

  572 07:57:31.084345  VMX status: enabled, unlocked

  573 07:57:31.087503  VMX status: enabled, unlocked

  574 07:57:31.091085  SGX: pre-conditions not met

  575 07:57:31.094225  SGX: pre-conditions not met

  576 07:57:31.101036  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  577 07:57:31.104270  CBFS: Locating 'vbt.bin'

  578 07:57:31.107368  CBFS: Found @ offset 103a00 size 48e

  579 07:57:31.111009  Found a VBT of 4608 bytes after decompression

  580 07:57:31.115750  psys_pmax = 360

  581 07:57:31.118777  FMAP: area GBB found @ c11000 (978944 bytes)

  582 07:57:31.232284  ITSS IRQ Polarities Before:

  583 07:57:31.236110  IPC0: 0x00ff4000

  584 07:57:31.236213  IPC1: 0x00000007

  585 07:57:31.239078  IPC2: 0x00000000

  586 07:57:31.239176  IPC3: 0x00000000

  587 07:57:31.242094  ITSS IRQ Polarities After:

  588 07:57:31.245728  IPC0: 0x00ff4000

  589 07:57:31.245814  IPC1: 0x00000007

  590 07:57:31.248988  IPC2: 0x00000000

  591 07:57:31.249074  IPC3: 0x00000000

  592 07:57:31.255581  Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU

  593 07:57:31.262218  BS: BS_DEV_INIT_CHIPS times (us): entry 376191 run 167701 exit 0

  594 07:57:31.265697  Enumerating buses...

  595 07:57:31.268711  Show all devs... Before device enumeration.

  596 07:57:31.272380  Root Device: enabled 1

  597 07:57:31.272469  CPU_CLUSTER: 0: enabled 1

  598 07:57:31.275445  DOMAIN: 0000: enabled 1

  599 07:57:31.278470  APIC: 00: enabled 1

  600 07:57:31.282158  PCI: 00:00.0: enabled 1

  601 07:57:31.282252  PCI: 00:02.0: enabled 1

  602 07:57:31.285378  PCI: 00:14.0: enabled 1

  603 07:57:31.288986  PCI: 00:14.1: enabled 0

  604 07:57:31.289079  PCI: 00:14.2: enabled 1

  605 07:57:31.292006  PCI: 00:15.0: enabled 1

  606 07:57:31.295008  PCI: 00:15.1: enabled 1

  607 07:57:31.298722  PCI: 00:15.2: enabled 0

  608 07:57:31.298828  PCI: 00:15.3: enabled 0

  609 07:57:31.301841  PCI: 00:16.0: enabled 1

  610 07:57:31.304924  PCI: 00:16.1: enabled 0

  611 07:57:31.308706  PCI: 00:16.2: enabled 0

  612 07:57:31.308801  PCI: 00:16.3: enabled 0

  613 07:57:31.311656  PCI: 00:16.4: enabled 0

  614 07:57:31.315465  PCI: 00:17.0: enabled 0

  615 07:57:31.318132  PCI: 00:19.0: enabled 1

  616 07:57:31.318223  PCI: 00:19.1: enabled 1

  617 07:57:31.321771  PCI: 00:19.2: enabled 0

  618 07:57:31.324727  PCI: 00:1c.0: enabled 1

  619 07:57:31.328497  PCI: 00:1c.1: enabled 0

  620 07:57:31.328577  PCI: 00:1c.2: enabled 0

  621 07:57:31.331706  PCI: 00:1c.3: enabled 0

  622 07:57:31.334720  PCI: 00:1c.4: enabled 0

  623 07:57:31.334806  PCI: 00:1c.5: enabled 0

  624 07:57:31.338466  PCI: 00:1c.6: enabled 0

  625 07:57:31.341437  PCI: 00:1c.7: enabled 0

  626 07:57:31.344596  PCI: 00:1d.0: enabled 0

  627 07:57:31.344678  PCI: 00:1d.1: enabled 0

  628 07:57:31.348227  PCI: 00:1d.2: enabled 0

  629 07:57:31.351195  PCI: 00:1d.3: enabled 0

  630 07:57:31.354649  PCI: 00:1e.0: enabled 1

  631 07:57:31.354732  PCI: 00:1e.1: enabled 0

  632 07:57:31.358338  PCI: 00:1e.2: enabled 1

  633 07:57:31.361131  PCI: 00:1e.3: enabled 0

  634 07:57:31.364800  PCI: 00:1e.4: enabled 1

  635 07:57:31.364893  PCI: 00:1e.5: enabled 0

  636 07:57:31.367811  PCI: 00:1e.6: enabled 1

  637 07:57:31.371500  PCI: 00:1f.0: enabled 1

  638 07:57:31.371584  PCI: 00:1f.1: enabled 1

  639 07:57:31.374582  PCI: 00:1f.2: enabled 1

  640 07:57:31.378328  PCI: 00:1f.3: enabled 1

  641 07:57:31.380986  PCI: 00:1f.4: enabled 1

  642 07:57:31.381074  PCI: 00:1f.5: enabled 1

  643 07:57:31.384308  PCI: 00:1f.6: enabled 0

  644 07:57:31.387650  USB0 port 0: enabled 1

  645 07:57:31.391182  I2C: 00:5c: enabled 1

  646 07:57:31.391268  I2C: 00:15: enabled 1

  647 07:57:31.394668  I2C: 00:39: enabled 1

  648 07:57:31.397673  I2C: 00:3a: enabled 1

  649 07:57:31.397771  I2C: 00:1a: enabled 1

  650 07:57:31.401443  PCI: 00:00.0: enabled 1

  651 07:57:31.404295  SPI: 00: enabled 1

  652 07:57:31.404387  PNP: 0c09.0: enabled 1

  653 07:57:31.407747  USB2 port 0: enabled 1

  654 07:57:31.411042  USB2 port 1: enabled 1

  655 07:57:31.411125  USB2 port 2: enabled 1

  656 07:57:31.414124  USB2 port 4: enabled 1

  657 07:57:31.417948  USB2 port 8: enabled 1

  658 07:57:31.418039  APIC: 01: enabled 1

  659 07:57:31.420809  APIC: 03: enabled 1

  660 07:57:31.424211  APIC: 02: enabled 1

  661 07:57:31.424293  Compare with tree...

  662 07:57:31.427872  Root Device: enabled 1

  663 07:57:31.431000   CPU_CLUSTER: 0: enabled 1

  664 07:57:31.433980    APIC: 00: enabled 1

  665 07:57:31.434063    APIC: 01: enabled 1

  666 07:57:31.437600    APIC: 03: enabled 1

  667 07:57:31.440668    APIC: 02: enabled 1

  668 07:57:31.440754   DOMAIN: 0000: enabled 1

  669 07:57:31.443924    PCI: 00:00.0: enabled 1

  670 07:57:31.447402    PCI: 00:02.0: enabled 1

  671 07:57:31.450650    PCI: 00:14.0: enabled 1

  672 07:57:31.450742     USB0 port 0: enabled 1

  673 07:57:31.454297      USB2 port 0: enabled 1

  674 07:57:31.457094      USB2 port 1: enabled 1

  675 07:57:31.460751      USB2 port 2: enabled 1

  676 07:57:31.463823      USB2 port 4: enabled 1

  677 07:57:31.467304      USB2 port 8: enabled 1

  678 07:57:31.467396    PCI: 00:14.1: enabled 0

  679 07:57:31.470537    PCI: 00:14.2: enabled 1

  680 07:57:31.473852    PCI: 00:15.0: enabled 1

  681 07:57:31.477171     I2C: 00:5c: enabled 1

  682 07:57:31.480146    PCI: 00:15.1: enabled 1

  683 07:57:31.480252     I2C: 00:15: enabled 1

  684 07:57:31.483923    PCI: 00:15.2: enabled 0

  685 07:57:31.487012    PCI: 00:15.3: enabled 0

  686 07:57:31.490190    PCI: 00:16.0: enabled 1

  687 07:57:31.490274    PCI: 00:16.1: enabled 0

  688 07:57:31.493841    PCI: 00:16.2: enabled 0

  689 07:57:31.496775    PCI: 00:16.3: enabled 0

  690 07:57:31.500419    PCI: 00:16.4: enabled 0

  691 07:57:31.503476    PCI: 00:17.0: enabled 0

  692 07:57:31.503567    PCI: 00:19.0: enabled 1

  693 07:57:31.506649    PCI: 00:19.1: enabled 1

  694 07:57:31.510325     I2C: 00:39: enabled 1

  695 07:57:31.513261     I2C: 00:3a: enabled 1

  696 07:57:31.516673     I2C: 00:1a: enabled 1

  697 07:57:31.516769    PCI: 00:19.2: enabled 0

  698 07:57:31.520325    PCI: 00:1c.0: enabled 1

  699 07:57:31.523292     PCI: 00:00.0: enabled 1

  700 07:57:31.526705    PCI: 00:1c.1: enabled 0

  701 07:57:31.529907    PCI: 00:1c.2: enabled 0

  702 07:57:31.529998    PCI: 00:1c.3: enabled 0

  703 07:57:31.533728    PCI: 00:1c.4: enabled 0

  704 07:57:31.536567    PCI: 00:1c.5: enabled 0

  705 07:57:31.539778    PCI: 00:1c.6: enabled 0

  706 07:57:31.543359    PCI: 00:1c.7: enabled 0

  707 07:57:31.543442    PCI: 00:1d.0: enabled 0

  708 07:57:31.546429    PCI: 00:1d.1: enabled 0

  709 07:57:31.550092    PCI: 00:1d.2: enabled 0

  710 07:57:31.553008    PCI: 00:1d.3: enabled 0

  711 07:57:31.553096    PCI: 00:1e.0: enabled 1

  712 07:57:31.556803    PCI: 00:1e.1: enabled 0

  713 07:57:31.559896    PCI: 00:1e.2: enabled 1

  714 07:57:31.562827     SPI: 00: enabled 1

  715 07:57:31.566626    PCI: 00:1e.3: enabled 0

  716 07:57:31.566709    PCI: 00:1e.4: enabled 1

  717 07:57:31.569901    PCI: 00:1e.5: enabled 0

  718 07:57:31.573102    PCI: 00:1e.6: enabled 1

  719 07:57:31.576594    PCI: 00:1f.0: enabled 1

  720 07:57:31.579647     PNP: 0c09.0: enabled 1

  721 07:57:31.579732    PCI: 00:1f.1: enabled 1

  722 07:57:31.583025    PCI: 00:1f.2: enabled 1

  723 07:57:31.586820    PCI: 00:1f.3: enabled 1

  724 07:57:31.589879    PCI: 00:1f.4: enabled 1

  725 07:57:31.589965    PCI: 00:1f.5: enabled 1

  726 07:57:31.592653    PCI: 00:1f.6: enabled 0

  727 07:57:31.596381  Root Device scanning...

  728 07:57:31.599354  root_dev_scan_bus for Root Device

  729 07:57:31.602852  CPU_CLUSTER: 0 enabled

  730 07:57:31.602939  DOMAIN: 0000 enabled

  731 07:57:31.605914  DOMAIN: 0000 scanning...

  732 07:57:31.609604  PCI: pci_scan_bus for bus 00

  733 07:57:31.612621  PCI: 00:00.0 [8086/0000] ops

  734 07:57:31.616326  PCI: 00:00.0 [8086/590c] enabled

  735 07:57:31.619389  PCI: 00:02.0 [8086/0000] ops

  736 07:57:31.622645  PCI: 00:02.0 [8086/591c] enabled

  737 07:57:31.625800  PCI: 00:04.0 [8086/1903] enabled

  738 07:57:31.629021  PCI: 00:08.0 [8086/1911] enabled

  739 07:57:31.632214  PCI: 00:14.0 [8086/0000] bus ops

  740 07:57:31.635720  PCI: 00:14.0 [8086/9d2f] enabled

  741 07:57:31.639267  PCI: 00:14.2 [8086/9d31] enabled

  742 07:57:31.642348  PCI: 00:15.0 [8086/0000] bus ops

  743 07:57:31.646063  PCI: 00:15.0 [8086/9d60] enabled

  744 07:57:31.649163  PCI: 00:15.1 [8086/0000] bus ops

  745 07:57:31.652187  PCI: 00:15.1 [8086/9d61] enabled

  746 07:57:31.655858  PCI: 00:16.0 [8086/0000] ops

  747 07:57:31.658990  PCI: 00:16.0 [8086/9d3a] enabled

  748 07:57:31.662107  PCI: 00:19.0 [8086/0000] ops

  749 07:57:31.665500  PCI: 00:19.0 [8086/9d66] enabled

  750 07:57:31.669004  PCI: 00:19.1 [8086/0000] bus ops

  751 07:57:31.672061  PCI: 00:19.1 [8086/9d65] enabled

  752 07:57:31.675667  PCI: 00:1c.0 [8086/0000] bus ops

  753 07:57:31.679120  PCI: 00:1c.0 [8086/9d10] enabled

  754 07:57:31.682114  PCI: 00:1e.0 [8086/0000] ops

  755 07:57:31.685722  PCI: 00:1e.0 [8086/9d27] enabled

  756 07:57:31.688875  PCI: 00:1e.2 [8086/0000] bus ops

  757 07:57:31.691929  PCI: 00:1e.2 [8086/9d29] enabled

  758 07:57:31.695371  PCI: 00:1e.4 [8086/9d2b] enabled

  759 07:57:31.698577  PCI: 00:1e.6 [8086/0000] ops

  760 07:57:31.702281  PCI: 00:1e.6 [8086/9d2d] enabled

  761 07:57:31.705165  PCI: 00:1f.0 [8086/0000] bus ops

  762 07:57:31.708668  PCI: 00:1f.0 [8086/9d4b] enabled

  763 07:57:31.711918  PCI: Static device PCI: 00:1f.1 not found, disabling it.

  764 07:57:31.715088  PCI: 00:1f.2 [8086/0000] bus ops

  765 07:57:31.718699  PCI: 00:1f.2 [8086/9d21] enabled

  766 07:57:31.721941  PCI: 00:1f.3 [8086/0000] bus ops

  767 07:57:31.725604  PCI: 00:1f.3 [8086/9d71] enabled

  768 07:57:31.728721  PCI: 00:1f.4 [8086/0000] bus ops

  769 07:57:31.732214  PCI: 00:1f.4 [8086/9d23] enabled

  770 07:57:31.735176  PCI: 00:1f.5 [8086/0000] bus ops

  771 07:57:31.738233  PCI: 00:1f.5 [8086/9d24] enabled

  772 07:57:31.741870  PCI: 00:14.0 scanning...

  773 07:57:31.744846  scan_usb_bus for PCI: 00:14.0

  774 07:57:31.748020  USB0 port 0 enabled

  775 07:57:31.748106  USB0 port 0 scanning...

  776 07:57:31.751794  scan_usb_bus for USB0 port 0

  777 07:57:31.754907  USB2 port 0 enabled

  778 07:57:31.758448  USB2 port 1 enabled

  779 07:57:31.758567  USB2 port 2 enabled

  780 07:57:31.761617  USB2 port 4 enabled

  781 07:57:31.761706  USB2 port 8 enabled

  782 07:57:31.764785  USB2 port 0 scanning...

  783 07:57:31.768343  scan_usb_bus for USB2 port 0

  784 07:57:31.771183  scan_usb_bus for USB2 port 0 done

  785 07:57:31.778047  scan_bus: scanning of bus USB2 port 0 took 8976 usecs

  786 07:57:31.778159  USB2 port 1 scanning...

  787 07:57:31.781623  scan_usb_bus for USB2 port 1

  788 07:57:31.784874  scan_usb_bus for USB2 port 1 done

  789 07:57:31.791552  scan_bus: scanning of bus USB2 port 1 took 8965 usecs

  790 07:57:31.794492  USB2 port 2 scanning...

  791 07:57:31.798101  scan_usb_bus for USB2 port 2

  792 07:57:31.801221  scan_usb_bus for USB2 port 2 done

  793 07:57:31.804743  scan_bus: scanning of bus USB2 port 2 took 8974 usecs

  794 07:57:31.807692  USB2 port 4 scanning...

  795 07:57:31.811430  scan_usb_bus for USB2 port 4

  796 07:57:31.814375  scan_usb_bus for USB2 port 4 done

  797 07:57:31.821146  scan_bus: scanning of bus USB2 port 4 took 8965 usecs

  798 07:57:31.821243  USB2 port 8 scanning...

  799 07:57:31.824302  scan_usb_bus for USB2 port 8

  800 07:57:31.827436  scan_usb_bus for USB2 port 8 done

  801 07:57:31.834460  scan_bus: scanning of bus USB2 port 8 took 8970 usecs

  802 07:57:31.837487  scan_usb_bus for USB0 port 0 done

  803 07:57:31.843999  scan_bus: scanning of bus USB0 port 0 took 90953 usecs

  804 07:57:31.847678  scan_usb_bus for PCI: 00:14.0 done

  805 07:57:31.850679  scan_bus: scanning of bus PCI: 00:14.0 took 107735 usecs

  806 07:57:31.853947  PCI: 00:15.0 scanning...

  807 07:57:31.857438  scan_generic_bus for PCI: 00:15.0

  808 07:57:31.864215  bus: PCI: 00:15.0[0]->I2C: 01:5c enabled

  809 07:57:31.867600  scan_generic_bus for PCI: 00:15.0 done

  810 07:57:31.870634  scan_bus: scanning of bus PCI: 00:15.0 took 14155 usecs

  811 07:57:31.873598  PCI: 00:15.1 scanning...

  812 07:57:31.877364  scan_generic_bus for PCI: 00:15.1

  813 07:57:31.880171  bus: PCI: 00:15.1[0]->I2C: 02:15 enabled

  814 07:57:31.886913  scan_generic_bus for PCI: 00:15.1 done

  815 07:57:31.890078  scan_bus: scanning of bus PCI: 00:15.1 took 14155 usecs

  816 07:57:31.893707  PCI: 00:19.1 scanning...

  817 07:57:31.896837  scan_generic_bus for PCI: 00:19.1

  818 07:57:31.900184  bus: PCI: 00:19.1[0]->I2C: 03:39 enabled

  819 07:57:31.906677  bus: PCI: 00:19.1[0]->I2C: 03:3a enabled

  820 07:57:31.910259  bus: PCI: 00:19.1[0]->I2C: 03:1a enabled

  821 07:57:31.913418  scan_generic_bus for PCI: 00:19.1 done

  822 07:57:31.919968  scan_bus: scanning of bus PCI: 00:19.1 took 22374 usecs

  823 07:57:31.920066  PCI: 00:1c.0 scanning...

  824 07:57:31.926805  do_pci_scan_bridge for PCI: 00:1c.0

  825 07:57:31.926903  PCI: pci_scan_bus for bus 01

  826 07:57:31.930535  PCI: 01:00.0 [8086/095a] enabled

  827 07:57:31.933627  Capability: type 0x01 @ 0xc8

  828 07:57:31.936965  Capability: type 0x05 @ 0xd0

  829 07:57:31.940235  Capability: type 0x10 @ 0x40

  830 07:57:31.943551  Capability: type 0x10 @ 0x40

  831 07:57:31.947003  Enabling Common Clock Configuration

  832 07:57:31.950188  L1 Sub-State supported from root port 28

  833 07:57:31.953742  L1 Sub-State Support = 0xf

  834 07:57:31.956790  CommonModeRestoreTime = 0x28

  835 07:57:31.960552  Power On Value = 0x1e, Power On Scale = 0x0

  836 07:57:31.963819  ASPM: Enabled L1

  837 07:57:31.966710  Capability: type 0x01 @ 0xc8

  838 07:57:31.969898  Capability: type 0x05 @ 0xd0

  839 07:57:31.973649  Capability: type 0x10 @ 0x40

  840 07:57:31.976918  scan_bus: scanning of bus PCI: 00:1c.0 took 53528 usecs

  841 07:57:31.980021  PCI: 00:1e.2 scanning...

  842 07:57:31.983529  scan_generic_bus for PCI: 00:1e.2

  843 07:57:31.986512  bus: PCI: 00:1e.2[0]->SPI: 00 enabled

  844 07:57:31.993323  scan_generic_bus for PCI: 00:1e.2 done

  845 07:57:31.996271  scan_bus: scanning of bus PCI: 00:1e.2 took 13863 usecs

  846 07:57:31.999986  PCI: 00:1f.0 scanning...

  847 07:57:32.003112  scan_lpc_bus for PCI: 00:1f.0

  848 07:57:32.006653  PNP: 0c09.0 enabled

  849 07:57:32.009684  scan_lpc_bus for PCI: 00:1f.0 done

  850 07:57:32.013158  scan_bus: scanning of bus PCI: 00:1f.0 took 11315 usecs

  851 07:57:32.016207  PCI: 00:1f.2 scanning...

  852 07:57:32.019795  scan_lpc_bus for PCI: 00:1f.2

  853 07:57:32.023253  scan_lpc_bus for PCI: 00:1f.2 done

  854 07:57:32.030035  scan_bus: scanning of bus PCI: 00:1f.2 took 9265 usecs

  855 07:57:32.033092  PCI: 00:1f.3 scanning...

  856 07:57:32.036429  scan_bus: scanning of bus PCI: 00:1f.3 took 2718 usecs

  857 07:57:32.039264  PCI: 00:1f.4 scanning...

  858 07:57:32.042776  scan_generic_bus for PCI: 00:1f.4

  859 07:57:32.046277  scan_generic_bus for PCI: 00:1f.4 done

  860 07:57:32.052692  scan_bus: scanning of bus PCI: 00:1f.4 took 10048 usecs

  861 07:57:32.056306  PCI: 00:1f.5 scanning...

  862 07:57:32.059170  scan_generic_bus for PCI: 00:1f.5

  863 07:57:32.062387  scan_generic_bus for PCI: 00:1f.5 done

  864 07:57:32.069088  scan_bus: scanning of bus PCI: 00:1f.5 took 10038 usecs

  865 07:57:32.072299  scan_bus: scanning of bus DOMAIN: 0000 took 466060 usecs

  866 07:57:32.079133  root_dev_scan_bus for Root Device done

  867 07:57:32.082235  scan_bus: scanning of bus Root Device took 486172 usecs

  868 07:57:32.082333  done

  869 07:57:32.086143  Chrome EC: UHEPI supported

  870 07:57:32.092832  FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes)

  871 07:57:32.099550  MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'.

  872 07:57:32.106023  SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000

  873 07:57:32.113874  FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes)

  874 07:57:32.116855  SPI flash protection: WPSW=0 SRP0=1

  875 07:57:32.123792  MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'.

  876 07:57:32.130380  BS: BS_DEV_ENUMERATE times (us): entry 0 run 825965 exit 39233

  877 07:57:32.130487  found VGA at PCI: 00:02.0

  878 07:57:32.133885  Setting up VGA for PCI: 00:02.0

  879 07:57:32.140548  Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000

  880 07:57:32.143604  Setting PCI_BRIDGE_CTL_VGA for bridge Root Device

  881 07:57:32.147168  Allocating resources...

  882 07:57:32.150126  Reading resources...

  883 07:57:32.153899  Root Device read_resources bus 0 link: 0

  884 07:57:32.156638  CPU_CLUSTER: 0 read_resources bus 0 link: 0

  885 07:57:32.163448  CPU_CLUSTER: 0 read_resources bus 0 link: 0 done

  886 07:57:32.166686  DOMAIN: 0000 read_resources bus 0 link: 0

  887 07:57:32.173624  PCI: 00:14.0 read_resources bus 0 link: 0

  888 07:57:32.177187  USB0 port 0 read_resources bus 0 link: 0

  889 07:57:32.183479  USB0 port 0 read_resources bus 0 link: 0 done

  890 07:57:32.187093  PCI: 00:14.0 read_resources bus 0 link: 0 done

  891 07:57:32.193945  PCI: 00:15.0 read_resources bus 1 link: 0

  892 07:57:32.196790  PCI: 00:15.0 read_resources bus 1 link: 0 done

  893 07:57:32.203467  PCI: 00:15.1 read_resources bus 2 link: 0

  894 07:57:32.206347  PCI: 00:15.1 read_resources bus 2 link: 0 done

  895 07:57:32.213201  PCI: 00:19.1 read_resources bus 3 link: 0

  896 07:57:32.216840  PCI: 00:19.1 read_resources bus 3 link: 0 done

  897 07:57:32.219742  PCI: 00:1c.0 read_resources bus 1 link: 0

  898 07:57:32.227105  PCI: 00:1c.0 read_resources bus 1 link: 0 done

  899 07:57:32.230721  PCI: 00:1e.2 read_resources bus 4 link: 0

  900 07:57:32.237047  PCI: 00:1e.2 read_resources bus 4 link: 0 done

  901 07:57:32.240338  PCI: 00:1f.0 read_resources bus 0 link: 0

  902 07:57:32.246999  PCI: 00:1f.0 read_resources bus 0 link: 0 done

  903 07:57:32.253467  DOMAIN: 0000 read_resources bus 0 link: 0 done

  904 07:57:32.256552  Root Device read_resources bus 0 link: 0 done

  905 07:57:32.260197  Done reading resources.

  906 07:57:32.263123  Show resources in subtree (Root Device)...After reading.

  907 07:57:32.269732   Root Device child on link 0 CPU_CLUSTER: 0

  908 07:57:32.273417    CPU_CLUSTER: 0 child on link 0 APIC: 00

  909 07:57:32.273511     APIC: 00

  910 07:57:32.276326     APIC: 01

  911 07:57:32.276415     APIC: 03

  912 07:57:32.280113     APIC: 02

  913 07:57:32.283156    DOMAIN: 0000 child on link 0 PCI: 00:00.0

  914 07:57:32.292921    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000

  915 07:57:32.303279    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100

  916 07:57:32.303406     PCI: 00:00.0

  917 07:57:32.313100     PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0

  918 07:57:32.322466     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

  919 07:57:32.332753     PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2

  920 07:57:32.342285     PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3

  921 07:57:32.349499     PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4

  922 07:57:32.358840     PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5

  923 07:57:32.368996     PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6

  924 07:57:32.378827     PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7

  925 07:57:32.385505     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8

  926 07:57:32.395269     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9

  927 07:57:32.405170     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

  928 07:57:32.415474     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c

  929 07:57:32.425217     PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d

  930 07:57:32.434917     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e

  931 07:57:32.445350     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f

  932 07:57:32.445448     PCI: 00:02.0

  933 07:57:32.455343     PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10

  934 07:57:32.464972     PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18

  935 07:57:32.475055     PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20

  936 07:57:32.475160     PCI: 00:04.0

  937 07:57:32.484681     PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10

  938 07:57:32.487772     PCI: 00:08.0

  939 07:57:32.497746     PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  940 07:57:32.501367     PCI: 00:14.0 child on link 0 USB0 port 0

  941 07:57:32.511043     PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10

  942 07:57:32.517815      USB0 port 0 child on link 0 USB2 port 0

  943 07:57:32.517913       USB2 port 0

  944 07:57:32.521222       USB2 port 1

  945 07:57:32.521323       USB2 port 2

  946 07:57:32.524189       USB2 port 4

  947 07:57:32.524284       USB2 port 8

  948 07:57:32.527891     PCI: 00:14.1

  949 07:57:32.527980     PCI: 00:14.2

  950 07:57:32.537494     PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  951 07:57:32.540912     PCI: 00:15.0 child on link 0 I2C: 01:5c

  952 07:57:32.550836     PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  953 07:57:32.554029      I2C: 01:5c

  954 07:57:32.557674     PCI: 00:15.1 child on link 0 I2C: 02:15

  955 07:57:32.567534     PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  956 07:57:32.570468      I2C: 02:15

  957 07:57:32.570559     PCI: 00:15.2

  958 07:57:32.574065     PCI: 00:15.3

  959 07:57:32.574161     PCI: 00:16.0

  960 07:57:32.584064     PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  961 07:57:32.587246     PCI: 00:16.1

  962 07:57:32.587335     PCI: 00:16.2

  963 07:57:32.590891     PCI: 00:16.3

  964 07:57:32.590977     PCI: 00:16.4

  965 07:57:32.593854     PCI: 00:17.0

  966 07:57:32.593971     PCI: 00:19.0

  967 07:57:32.607415     PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10

  968 07:57:32.617069     PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  969 07:57:32.620088     PCI: 00:19.1 child on link 0 I2C: 03:39

  970 07:57:32.630274     PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  971 07:57:32.630367      I2C: 03:39

  972 07:57:32.634088      I2C: 03:3a

  973 07:57:32.634177      I2C: 03:1a

  974 07:57:32.636721     PCI: 00:19.2

  975 07:57:32.640740     PCI: 00:1c.0 child on link 0 PCI: 01:00.0

  976 07:57:32.650342     PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c

  977 07:57:32.660195     PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24

  978 07:57:32.666380     PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20

  979 07:57:32.670211      PCI: 01:00.0

  980 07:57:32.680048      PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10

  981 07:57:32.680136     PCI: 00:1c.1

  982 07:57:32.683593     PCI: 00:1c.2

  983 07:57:32.683681     PCI: 00:1c.3

  984 07:57:32.686458     PCI: 00:1c.4

  985 07:57:32.686554     PCI: 00:1c.5

  986 07:57:32.690119     PCI: 00:1c.6

  987 07:57:32.690208     PCI: 00:1c.7

  988 07:57:32.693319     PCI: 00:1d.0

  989 07:57:32.693408     PCI: 00:1d.1

  990 07:57:32.696249     PCI: 00:1d.2

  991 07:57:32.696338     PCI: 00:1d.3

  992 07:57:32.700066     PCI: 00:1e.0

  993 07:57:32.709692     PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  994 07:57:32.709795     PCI: 00:1e.1

  995 07:57:32.716182     PCI: 00:1e.2 child on link 0 SPI: 00

  996 07:57:32.726352     PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  997 07:57:32.726441      SPI: 00

  998 07:57:32.729815     PCI: 00:1e.3

  999 07:57:32.729897     PCI: 00:1e.4

 1000 07:57:32.739693     PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

 1001 07:57:32.743202     PCI: 00:1e.5

 1002 07:57:32.743296     PCI: 00:1e.6

 1003 07:57:32.752599     PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

 1004 07:57:32.756159     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

 1005 07:57:32.765756     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

 1006 07:57:32.768967      PNP: 0c09.0

 1007 07:57:32.775611      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1008 07:57:32.779183     PCI: 00:1f.1

 1009 07:57:32.779273     PCI: 00:1f.2

 1010 07:57:32.789214     PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10

 1011 07:57:32.799023     PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48

 1012 07:57:32.808987     PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40

 1013 07:57:32.809112     PCI: 00:1f.3

 1014 07:57:32.818787     PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10

 1015 07:57:32.828401     PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20

 1016 07:57:32.832076     PCI: 00:1f.4

 1017 07:57:32.838455     PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20

 1018 07:57:32.848495     PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10

 1019 07:57:32.851640     PCI: 00:1f.5

 1020 07:57:32.861853     PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10

 1021 07:57:32.861941     PCI: 00:1f.6

 1022 07:57:32.868547  DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff

 1023 07:57:32.874810  PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff

 1024 07:57:32.881242  PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done

 1025 07:57:32.884837  PCI: 00:02.0 20 *  [0x0 - 0x3f] io

 1026 07:57:32.891274  DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done

 1027 07:57:32.898055  DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff

 1028 07:57:32.904698  PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff

 1029 07:57:32.960898  PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done

 1030 07:57:32.961217  PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff

 1031 07:57:32.961297  PCI: 01:00.0 10 *  [0x0 - 0x1fff] mem

 1032 07:57:32.961367  PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done

 1033 07:57:32.961434  PCI: 00:02.0 18 *  [0x0 - 0xfffffff] prefmem

 1034 07:57:32.961687  PCI: 00:02.0 10 *  [0x10000000 - 0x10ffffff] mem

 1035 07:57:32.961765  PCI: 00:1c.0 20 *  [0x11000000 - 0x110fffff] mem

 1036 07:57:32.962143  PCI: 00:14.0 10 *  [0x11100000 - 0x1110ffff] mem

 1037 07:57:32.962429  PCI: 00:1f.3 20 *  [0x11110000 - 0x1111ffff] mem

 1038 07:57:32.962508  PCI: 00:04.0 10 *  [0x11120000 - 0x11127fff] mem

 1039 07:57:32.983673  PCI: 00:1f.2 10 *  [0x11128000 - 0x1112bfff] mem

 1040 07:57:32.983966  PCI: 00:1f.3 10 *  [0x1112c000 - 0x1112ffff] mem

 1041 07:57:32.984242  PCI: 00:08.0 10 *  [0x11130000 - 0x11130fff] mem

 1042 07:57:32.989493  PCI: 00:14.2 10 *  [0x11131000 - 0x11131fff] mem

 1043 07:57:32.989579  PCI: 00:15.0 10 *  [0x11132000 - 0x11132fff] mem

 1044 07:57:32.992944  PCI: 00:15.1 10 *  [0x11133000 - 0x11133fff] mem

 1045 07:57:32.996348  PCI: 00:16.0 10 *  [0x11134000 - 0x11134fff] mem

 1046 07:57:32.999406  PCI: 00:19.0 18 *  [0x11135000 - 0x11135fff] mem

 1047 07:57:33.006060  PCI: 00:19.1 10 *  [0x11136000 - 0x11136fff] mem

 1048 07:57:33.009246  PCI: 00:1e.0 10 *  [0x11137000 - 0x11137fff] mem

 1049 07:57:33.016137  PCI: 00:1e.2 10 *  [0x11138000 - 0x11138fff] mem

 1050 07:57:33.019213  PCI: 00:1e.4 10 *  [0x11139000 - 0x11139fff] mem

 1051 07:57:33.026037  PCI: 00:1e.6 10 *  [0x1113a000 - 0x1113afff] mem

 1052 07:57:33.029361  PCI: 00:1f.5 10 *  [0x1113b000 - 0x1113bfff] mem

 1053 07:57:33.036033  PCI: 00:1f.4 10 *  [0x1113c000 - 0x1113c0ff] mem

 1054 07:57:33.042619  DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done

 1055 07:57:33.046192  avoid_fixed_resources: DOMAIN: 0000

 1056 07:57:33.052329  avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff

 1057 07:57:33.058944  avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff

 1058 07:57:33.065626  constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed)

 1059 07:57:33.075744  constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed)

 1060 07:57:33.081998  constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed)

 1061 07:57:33.088577  constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed)

 1062 07:57:33.098413  constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed)

 1063 07:57:33.105066  constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed)

 1064 07:57:33.111918  constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed)

 1065 07:57:33.118652  constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed)

 1066 07:57:33.128439  avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f

 1067 07:57:33.135339  avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff

 1068 07:57:33.135437  Setting resources...

 1069 07:57:33.141606  DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f

 1070 07:57:33.148856  PCI: 00:02.0 20 *  [0x1c00 - 0x1c3f] io

 1071 07:57:33.151980  DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done

 1072 07:57:33.158564  PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f

 1073 07:57:33.165155  PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done

 1074 07:57:33.174762  DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff

 1075 07:57:33.178328  PCI: 00:02.0 18 *  [0xc0000000 - 0xcfffffff] prefmem

 1076 07:57:33.184632  PCI: 00:02.0 10 *  [0xd0000000 - 0xd0ffffff] mem

 1077 07:57:33.188255  PCI: 00:1c.0 20 *  [0xd1000000 - 0xd10fffff] mem

 1078 07:57:33.194902  PCI: 00:14.0 10 *  [0xd1100000 - 0xd110ffff] mem

 1079 07:57:33.198353  PCI: 00:1f.3 20 *  [0xd1110000 - 0xd111ffff] mem

 1080 07:57:33.201303  PCI: 00:04.0 10 *  [0xd1120000 - 0xd1127fff] mem

 1081 07:57:33.207685  PCI: 00:1f.2 10 *  [0xd1128000 - 0xd112bfff] mem

 1082 07:57:33.211287  PCI: 00:1f.3 10 *  [0xd112c000 - 0xd112ffff] mem

 1083 07:57:33.218089  PCI: 00:08.0 10 *  [0xd1130000 - 0xd1130fff] mem

 1084 07:57:33.221160  PCI: 00:14.2 10 *  [0xd1131000 - 0xd1131fff] mem

 1085 07:57:33.228188  PCI: 00:15.0 10 *  [0xd1132000 - 0xd1132fff] mem

 1086 07:57:33.231081  PCI: 00:15.1 10 *  [0xd1133000 - 0xd1133fff] mem

 1087 07:57:33.237915  PCI: 00:16.0 10 *  [0xd1134000 - 0xd1134fff] mem

 1088 07:57:33.241113  PCI: 00:19.0 18 *  [0xd1135000 - 0xd1135fff] mem

 1089 07:57:33.247777  PCI: 00:19.1 10 *  [0xd1136000 - 0xd1136fff] mem

 1090 07:57:33.250972  PCI: 00:1e.0 10 *  [0xd1137000 - 0xd1137fff] mem

 1091 07:57:33.257370  PCI: 00:1e.2 10 *  [0xd1138000 - 0xd1138fff] mem

 1092 07:57:33.261187  PCI: 00:1e.4 10 *  [0xd1139000 - 0xd1139fff] mem

 1093 07:57:33.267764  PCI: 00:1e.6 10 *  [0xd113a000 - 0xd113afff] mem

 1094 07:57:33.270808  PCI: 00:1f.5 10 *  [0xd113b000 - 0xd113bfff] mem

 1095 07:57:33.277657  PCI: 00:1f.4 10 *  [0xd113c000 - 0xd113c0ff] mem

 1096 07:57:33.284315  DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done

 1097 07:57:33.290408  PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff

 1098 07:57:33.297334  PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done

 1099 07:57:33.303745  PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff

 1100 07:57:33.310644  PCI: 01:00.0 10 *  [0xd1000000 - 0xd1001fff] mem

 1101 07:57:33.317125  PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done

 1102 07:57:33.324088  Root Device assign_resources, bus 0 link: 0

 1103 07:57:33.327097  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1104 07:57:33.333814  PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64

 1105 07:57:33.343333  PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64

 1106 07:57:33.350052  PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io

 1107 07:57:33.360314  PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64

 1108 07:57:33.366793  PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64

 1109 07:57:33.376653  PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64

 1110 07:57:33.379749  PCI: 00:14.0 assign_resources, bus 0 link: 0

 1111 07:57:33.382762  PCI: 00:14.0 assign_resources, bus 0 link: 0

 1112 07:57:33.392906  PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64

 1113 07:57:33.399634  PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64

 1114 07:57:33.406404  PCI: 00:15.0 assign_resources, bus 1 link: 0

 1115 07:57:33.409857  PCI: 00:15.0 assign_resources, bus 1 link: 0

 1116 07:57:33.419621  PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64

 1117 07:57:33.422676  PCI: 00:15.1 assign_resources, bus 2 link: 0

 1118 07:57:33.425900  PCI: 00:15.1 assign_resources, bus 2 link: 0

 1119 07:57:33.436327  PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64

 1120 07:57:33.442957  PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64

 1121 07:57:33.452604  PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64

 1122 07:57:33.455725  PCI: 00:19.1 assign_resources, bus 3 link: 0

 1123 07:57:33.462538  PCI: 00:19.1 assign_resources, bus 3 link: 0

 1124 07:57:33.469112  PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io

 1125 07:57:33.478835  PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem

 1126 07:57:33.485408  PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem

 1127 07:57:33.492017  PCI: 00:1c.0 assign_resources, bus 1 link: 0

 1128 07:57:33.498741  PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64

 1129 07:57:33.505492  PCI: 00:1c.0 assign_resources, bus 1 link: 0

 1130 07:57:33.511949  PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64

 1131 07:57:33.521867  PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64

 1132 07:57:33.525522  PCI: 00:1e.2 assign_resources, bus 4 link: 0

 1133 07:57:33.528552  PCI: 00:1e.2 assign_resources, bus 4 link: 0

 1134 07:57:33.538846  PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64

 1135 07:57:33.545020  PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64

 1136 07:57:33.551839  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1137 07:57:33.554934  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1138 07:57:33.561402  LPC: Trying to open IO window from 800 size 1ff

 1139 07:57:33.568199  PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem

 1140 07:57:33.574722  PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64

 1141 07:57:33.584532  PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64

 1142 07:57:33.591151  PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64

 1143 07:57:33.601250  PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem

 1144 07:57:33.604380  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1145 07:57:33.610980  Root Device assign_resources, bus 0 link: 0

 1146 07:57:33.611068  Done setting resources.

 1147 07:57:33.617637  Show resources in subtree (Root Device)...After assigning values.

 1148 07:57:33.624224   Root Device child on link 0 CPU_CLUSTER: 0

 1149 07:57:33.627786    CPU_CLUSTER: 0 child on link 0 APIC: 00

 1150 07:57:33.627871     APIC: 00

 1151 07:57:33.630907     APIC: 01

 1152 07:57:33.630992     APIC: 03

 1153 07:57:33.631062     APIC: 02

 1154 07:57:33.637753    DOMAIN: 0000 child on link 0 PCI: 00:00.0

 1155 07:57:33.647384    DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000

 1156 07:57:33.657393    DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100

 1157 07:57:33.657490     PCI: 00:00.0

 1158 07:57:33.667463     PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0

 1159 07:57:33.677165     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

 1160 07:57:33.687239     PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2

 1161 07:57:33.697118     PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3

 1162 07:57:33.707371     PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4

 1163 07:57:33.714015     PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5

 1164 07:57:33.723497     PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6

 1165 07:57:33.733811     PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7

 1166 07:57:33.743796     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8

 1167 07:57:33.753766     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9

 1168 07:57:33.763496     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

 1169 07:57:33.769655     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c

 1170 07:57:33.780019     PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d

 1171 07:57:33.789820     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e

 1172 07:57:33.799941     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f

 1173 07:57:33.800045     PCI: 00:02.0

 1174 07:57:33.812573     PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10

 1175 07:57:33.822476     PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18

 1176 07:57:33.832659     PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20

 1177 07:57:33.832754     PCI: 00:04.0

 1178 07:57:33.842852     PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10

 1179 07:57:33.845874     PCI: 00:08.0

 1180 07:57:33.856095     PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10

 1181 07:57:33.858940     PCI: 00:14.0 child on link 0 USB0 port 0

 1182 07:57:33.869367     PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10

 1183 07:57:33.875383      USB0 port 0 child on link 0 USB2 port 0

 1184 07:57:33.875469       USB2 port 0

 1185 07:57:33.878903       USB2 port 1

 1186 07:57:33.878983       USB2 port 2

 1187 07:57:33.882683       USB2 port 4

 1188 07:57:33.882764       USB2 port 8

 1189 07:57:33.885746     PCI: 00:14.1

 1190 07:57:33.885822     PCI: 00:14.2

 1191 07:57:33.895935     PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10

 1192 07:57:33.902045     PCI: 00:15.0 child on link 0 I2C: 01:5c

 1193 07:57:33.911780     PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10

 1194 07:57:33.911878      I2C: 01:5c

 1195 07:57:33.918401     PCI: 00:15.1 child on link 0 I2C: 02:15

 1196 07:57:33.928460     PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10

 1197 07:57:33.928551      I2C: 02:15

 1198 07:57:33.931846     PCI: 00:15.2

 1199 07:57:33.931935     PCI: 00:15.3

 1200 07:57:33.935457     PCI: 00:16.0

 1201 07:57:33.945079     PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10

 1202 07:57:33.945169     PCI: 00:16.1

 1203 07:57:33.948314     PCI: 00:16.2

 1204 07:57:33.948404     PCI: 00:16.3

 1205 07:57:33.951922     PCI: 00:16.4

 1206 07:57:33.952011     PCI: 00:17.0

 1207 07:57:33.955343     PCI: 00:19.0

 1208 07:57:33.965197     PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10

 1209 07:57:33.975094     PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18

 1210 07:57:33.981385     PCI: 00:19.1 child on link 0 I2C: 03:39

 1211 07:57:33.991188     PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10

 1212 07:57:33.991275      I2C: 03:39

 1213 07:57:33.994818      I2C: 03:3a

 1214 07:57:33.994898      I2C: 03:1a

 1215 07:57:33.997837     PCI: 00:19.2

 1216 07:57:34.001476     PCI: 00:1c.0 child on link 0 PCI: 01:00.0

 1217 07:57:34.011006     PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c

 1218 07:57:34.020819     PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24

 1219 07:57:34.030644     PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20

 1220 07:57:34.034276      PCI: 01:00.0

 1221 07:57:34.044126      PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10

 1222 07:57:34.044218     PCI: 00:1c.1

 1223 07:57:34.047166     PCI: 00:1c.2

 1224 07:57:34.047246     PCI: 00:1c.3

 1225 07:57:34.050994     PCI: 00:1c.4

 1226 07:57:34.051082     PCI: 00:1c.5

 1227 07:57:34.054050     PCI: 00:1c.6

 1228 07:57:34.054126     PCI: 00:1c.7

 1229 07:57:34.057360     PCI: 00:1d.0

 1230 07:57:34.057440     PCI: 00:1d.1

 1231 07:57:34.060854     PCI: 00:1d.2

 1232 07:57:34.060935     PCI: 00:1d.3

 1233 07:57:34.064051     PCI: 00:1e.0

 1234 07:57:34.074098     PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10

 1235 07:57:34.074193     PCI: 00:1e.1

 1236 07:57:34.080852     PCI: 00:1e.2 child on link 0 SPI: 00

 1237 07:57:34.090432     PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10

 1238 07:57:34.090532      SPI: 00

 1239 07:57:34.094048     PCI: 00:1e.3

 1240 07:57:34.094138     PCI: 00:1e.4

 1241 07:57:34.103813     PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10

 1242 07:57:34.107424     PCI: 00:1e.5

 1243 07:57:34.107527     PCI: 00:1e.6

 1244 07:57:34.117437     PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10

 1245 07:57:34.123422     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

 1246 07:57:34.130121     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

 1247 07:57:34.134035      PNP: 0c09.0

 1248 07:57:34.139931      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1249 07:57:34.143321     PCI: 00:1f.1

 1250 07:57:34.143418     PCI: 00:1f.2

 1251 07:57:34.153521     PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10

 1252 07:57:34.163384     PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48

 1253 07:57:34.173395     PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40

 1254 07:57:34.176792     PCI: 00:1f.3

 1255 07:57:34.186677     PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10

 1256 07:57:34.196776     PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20

 1257 07:57:34.196868     PCI: 00:1f.4

 1258 07:57:34.206246     PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20

 1259 07:57:34.216696     PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10

 1260 07:57:34.219455     PCI: 00:1f.5

 1261 07:57:34.229199     PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10

 1262 07:57:34.229290     PCI: 00:1f.6

 1263 07:57:34.232679  Done allocating resources.

 1264 07:57:34.239042  BS: BS_DEV_RESOURCES times (us): entry 0 run 2114234 exit 31

 1265 07:57:34.242595  Enabling resources...

 1266 07:57:34.245708  PCI: 00:00.0 subsystem <- 8086/590c

 1267 07:57:34.249014  PCI: 00:00.0 cmd <- 06

 1268 07:57:34.252170  PCI: 00:02.0 subsystem <- 8086/591c

 1269 07:57:34.255191  PCI: 00:02.0 cmd <- 03

 1270 07:57:34.255285  PCI: 00:04.0 cmd <- 02

 1271 07:57:34.259056  PCI: 00:08.0 cmd <- 06

 1272 07:57:34.262313  PCI: 00:14.0 subsystem <- 8086/9d2f

 1273 07:57:34.265269  PCI: 00:14.0 cmd <- 02

 1274 07:57:34.268873  PCI: 00:14.2 subsystem <- 8086/9d31

 1275 07:57:34.271874  PCI: 00:14.2 cmd <- 02

 1276 07:57:34.275711  PCI: 00:15.0 subsystem <- 8086/9d60

 1277 07:57:34.278418  PCI: 00:15.0 cmd <- 06

 1278 07:57:34.281852  PCI: 00:15.1 subsystem <- 8086/9d61

 1279 07:57:34.281941  PCI: 00:15.1 cmd <- 06

 1280 07:57:34.289040  PCI: 00:16.0 subsystem <- 8086/9d3a

 1281 07:57:34.289129  PCI: 00:16.0 cmd <- 02

 1282 07:57:34.292097  PCI: 00:19.0 subsystem <- 8086/9d66

 1283 07:57:34.294976  PCI: 00:19.0 cmd <- 06

 1284 07:57:34.298456  PCI: 00:19.1 subsystem <- 8086/9d65

 1285 07:57:34.302147  PCI: 00:19.1 cmd <- 06

 1286 07:57:34.305395  PCI: 00:1c.0 bridge ctrl <- 0003

 1287 07:57:34.308592  PCI: 00:1c.0 subsystem <- 8086/9d10

 1288 07:57:34.311636  PCI: 00:1c.0 cmd <- 06

 1289 07:57:34.315104  PCI: 00:1e.0 subsystem <- 8086/9d27

 1290 07:57:34.318133  PCI: 00:1e.0 cmd <- 06

 1291 07:57:34.321896  PCI: 00:1e.2 subsystem <- 8086/9d29

 1292 07:57:34.325049  PCI: 00:1e.2 cmd <- 06

 1293 07:57:34.328005  PCI: 00:1e.4 subsystem <- 8086/9d2b

 1294 07:57:34.328089  PCI: 00:1e.4 cmd <- 06

 1295 07:57:34.335056  PCI: 00:1e.6 subsystem <- 8086/9d2d

 1296 07:57:34.335142  PCI: 00:1e.6 cmd <- 06

 1297 07:57:34.338108  PCI: 00:1f.0 subsystem <- 8086/9d4b

 1298 07:57:34.341135  PCI: 00:1f.0 cmd <- 407

 1299 07:57:34.344778  PCI: 00:1f.2 subsystem <- 8086/9d21

 1300 07:57:34.348521  PCI: 00:1f.2 cmd <- 02

 1301 07:57:34.351290  PCI: 00:1f.3 subsystem <- 8086/9d71

 1302 07:57:34.354677  PCI: 00:1f.3 cmd <- 02

 1303 07:57:34.357866  PCI: 00:1f.4 subsystem <- 8086/9d23

 1304 07:57:34.360930  PCI: 00:1f.4 cmd <- 03

 1305 07:57:34.364281  PCI: 00:1f.5 subsystem <- 8086/9d24

 1306 07:57:34.367727  PCI: 00:1f.5 cmd <- 406

 1307 07:57:34.374424  PCI: 01:00.0 subsystem <- 8086/095a

 1308 07:57:34.374523  PCI: 01:00.0 cmd <- 02

 1309 07:57:34.378808  done.

 1310 07:57:34.398459  ME: Version : 11.8.50.3470

 1311 07:57:34.404965  BS: BS_DEV_ENABLE times (us): entry 230 run 139304 exit 21653

 1312 07:57:34.408063  Initializing devices...

 1313 07:57:34.411291  Root Device init ...

 1314 07:57:34.414874  Chrome EC: Set SMI mask to 0x0000000000000001

 1315 07:57:34.421781  Chrome EC: Set S5 LAZY WAKE mask to 0x0000000000000006

 1316 07:57:34.428629  Chrome EC: Set S3 LAZY WAKE mask to 0x0000000010001006

 1317 07:57:34.431910  Chrome EC: Set S0iX LAZY WAKE mask to 0x0000000010001006

 1318 07:57:34.438740  Chrome EC: Set WAKE mask to 0x0000000000000000

 1319 07:57:34.441877  Root Device init finished in 30851 usecs

 1320 07:57:34.445028  CPU_CLUSTER: 0 init ...

 1321 07:57:34.448151  CPU_CLUSTER: 0 init finished in 2444 usecs

 1322 07:57:34.452825  PCI: 00:00.0 init ...

 1323 07:57:34.455958  CPU TDP: 5 Watts

 1324 07:57:34.459439  CPU PL2 = 18 Watts

 1325 07:57:34.462431  PCI: 00:00.0 init finished in 6987 usecs

 1326 07:57:34.465688  PCI: 00:02.0 init ...

 1327 07:57:34.469280  PCI: 00:02.0 init finished in 2250 usecs

 1328 07:57:34.472507  PCI: 00:04.0 init ...

 1329 07:57:34.475595  PCI: 00:04.0 init finished in 2250 usecs

 1330 07:57:34.479416  PCI: 00:08.0 init ...

 1331 07:57:34.482642  PCI: 00:08.0 init finished in 2249 usecs

 1332 07:57:34.485823  PCI: 00:14.0 init ...

 1333 07:57:34.489103  PCI: 00:14.0 init finished in 2248 usecs

 1334 07:57:34.492030  PCI: 00:14.2 init ...

 1335 07:57:34.495726  PCI: 00:14.2 init finished in 2239 usecs

 1336 07:57:34.498649  PCI: 00:15.0 init ...

 1337 07:57:34.502595  DW I2C bus 0 at 0xd1132000 (400 KHz)

 1338 07:57:34.505233  PCI: 00:15.0 init finished in 5967 usecs

 1339 07:57:34.508363  PCI: 00:15.1 init ...

 1340 07:57:34.511858  DW I2C bus 1 at 0xd1133000 (400 KHz)

 1341 07:57:34.514956  PCI: 00:15.1 init finished in 5968 usecs

 1342 07:57:34.518331  PCI: 00:16.0 init ...

 1343 07:57:34.521867  PCI: 00:16.0 init finished in 2248 usecs

 1344 07:57:34.525871  PCI: 00:19.1 init ...

 1345 07:57:34.529402  DW I2C bus 5 at 0xd1136000 (400 KHz)

 1346 07:57:34.536129  PCI: 00:19.1 init finished in 5968 usecs

 1347 07:57:34.536219  PCI: 00:1c.0 init ...

 1348 07:57:34.539178  Initializing PCH PCIe bridge.

 1349 07:57:34.542546  PCI: 00:1c.0 init finished in 5290 usecs

 1350 07:57:34.549368  PCI: 00:1e.4 init ...

 1351 07:57:34.552942  PCI: 00:1e.4 init finished in 2241 usecs

 1352 07:57:34.556716  PCI: 00:1f.0 init ...

 1353 07:57:34.560299  IOAPIC: Initializing IOAPIC at 0xfec00000

 1354 07:57:34.566825  IOAPIC: Bootstrap Processor Local APIC = 0x00

 1355 07:57:34.566924  IOAPIC: ID = 0x02

 1356 07:57:34.569864  IOAPIC: Dumping registers

 1357 07:57:34.573028    reg 0x0000: 0x02000000

 1358 07:57:34.575995    reg 0x0001: 0x00770020

 1359 07:57:34.579149    reg 0x0002: 0x00000000

 1360 07:57:34.582929  PCI: 00:1f.0 init finished in 23481 usecs

 1361 07:57:34.585821  PCI: 00:1f.2 init ...

 1362 07:57:34.585912  RTC Init

 1363 07:57:34.589069  Set power on after power failure.

 1364 07:57:34.592582  Disabling ACPI via APMC:

 1365 07:57:34.597395  done.

 1366 07:57:34.597484  Disabling Deep S3

 1367 07:57:34.601311  Disabling Deep S3

 1368 07:57:34.601401  Enabling Deep S4

 1369 07:57:34.604013  Enabling Deep S4

 1370 07:57:34.604103  Enabling Deep S5

 1371 07:57:34.607747  Enabling Deep S5

 1372 07:57:34.610925  PCI: 00:1f.2 init finished in 23788 usecs

 1373 07:57:34.614304  PCI: 00:1f.4 init ...

 1374 07:57:34.617318  PCI: 00:1f.4 init finished in 2260 usecs

 1375 07:57:34.622375  PCI: 01:00.0 init ...

 1376 07:57:34.625409  PCI: 01:00.0 init finished in 2393 usecs

 1377 07:57:34.629373  PNP: 0c09.0 init ...

 1378 07:57:34.636105  Google Chrome EC: Hello got back 11223344 status (0)

 1379 07:57:34.639341  Google Chrome EC: version:

 1380 07:57:34.642453      ro: rammus_v2.0.387-f0df0fe2e

 1381 07:57:34.645954      rw: rammus_v2.0.425-6e0dd622e

 1382 07:57:34.649641    running image: 1

 1383 07:57:34.652790  EC returned error result code 1

 1384 07:57:34.656380  PNP: 0c09.0 init finished in 24473 usecs

 1385 07:57:34.659312  Devices initialized

 1386 07:57:34.663050  Show all devs... After init.

 1387 07:57:34.663138  Root Device: enabled 1

 1388 07:57:34.666411  CPU_CLUSTER: 0: enabled 1

 1389 07:57:34.669305  DOMAIN: 0000: enabled 1

 1390 07:57:34.669392  APIC: 00: enabled 1

 1391 07:57:34.672444  PCI: 00:00.0: enabled 1

 1392 07:57:34.676166  PCI: 00:02.0: enabled 1

 1393 07:57:34.679053  PCI: 00:14.0: enabled 1

 1394 07:57:34.679141  PCI: 00:14.1: enabled 0

 1395 07:57:34.683003  PCI: 00:14.2: enabled 1

 1396 07:57:34.686004  PCI: 00:15.0: enabled 1

 1397 07:57:34.689233  PCI: 00:15.1: enabled 1

 1398 07:57:34.689322  PCI: 00:15.2: enabled 0

 1399 07:57:34.692711  PCI: 00:15.3: enabled 0

 1400 07:57:34.696155  PCI: 00:16.0: enabled 1

 1401 07:57:34.696242  PCI: 00:16.1: enabled 0

 1402 07:57:34.699484  PCI: 00:16.2: enabled 0

 1403 07:57:34.702870  PCI: 00:16.3: enabled 0

 1404 07:57:34.705762  PCI: 00:16.4: enabled 0

 1405 07:57:34.705851  PCI: 00:17.0: enabled 0

 1406 07:57:34.709125  PCI: 00:19.0: enabled 1

 1407 07:57:34.712495  PCI: 00:19.1: enabled 1

 1408 07:57:34.715609  PCI: 00:19.2: enabled 0

 1409 07:57:34.715697  PCI: 00:1c.0: enabled 1

 1410 07:57:34.719186  PCI: 00:1c.1: enabled 0

 1411 07:57:34.722521  PCI: 00:1c.2: enabled 0

 1412 07:57:34.725329  PCI: 00:1c.3: enabled 0

 1413 07:57:34.725416  PCI: 00:1c.4: enabled 0

 1414 07:57:34.729033  PCI: 00:1c.5: enabled 0

 1415 07:57:34.732019  PCI: 00:1c.6: enabled 0

 1416 07:57:34.732108  PCI: 00:1c.7: enabled 0

 1417 07:57:34.735704  PCI: 00:1d.0: enabled 0

 1418 07:57:34.738468  PCI: 00:1d.1: enabled 0

 1419 07:57:34.742362  PCI: 00:1d.2: enabled 0

 1420 07:57:34.742459  PCI: 00:1d.3: enabled 0

 1421 07:57:34.745163  PCI: 00:1e.0: enabled 1

 1422 07:57:34.748795  PCI: 00:1e.1: enabled 0

 1423 07:57:34.751816  PCI: 00:1e.2: enabled 1

 1424 07:57:34.751904  PCI: 00:1e.3: enabled 0

 1425 07:57:34.755206  PCI: 00:1e.4: enabled 1

 1426 07:57:34.758632  PCI: 00:1e.5: enabled 0

 1427 07:57:34.761645  PCI: 00:1e.6: enabled 1

 1428 07:57:34.761725  PCI: 00:1f.0: enabled 1

 1429 07:57:34.765352  PCI: 00:1f.1: enabled 0

 1430 07:57:34.768717  PCI: 00:1f.2: enabled 1

 1431 07:57:34.771630  PCI: 00:1f.3: enabled 1

 1432 07:57:34.771719  PCI: 00:1f.4: enabled 1

 1433 07:57:34.775427  PCI: 00:1f.5: enabled 1

 1434 07:57:34.778359  PCI: 00:1f.6: enabled 0

 1435 07:57:34.778444  USB0 port 0: enabled 1

 1436 07:57:34.781565  I2C: 01:5c: enabled 1

 1437 07:57:34.785253  I2C: 02:15: enabled 1

 1438 07:57:34.788377  I2C: 03:39: enabled 1

 1439 07:57:34.788456  I2C: 03:3a: enabled 1

 1440 07:57:34.791482  I2C: 03:1a: enabled 1

 1441 07:57:34.795101  PCI: 01:00.0: enabled 1

 1442 07:57:34.795180  SPI: 00: enabled 1

 1443 07:57:34.798335  PNP: 0c09.0: enabled 1

 1444 07:57:34.801611  USB2 port 0: enabled 1

 1445 07:57:34.801704  USB2 port 1: enabled 1

 1446 07:57:34.804871  USB2 port 2: enabled 1

 1447 07:57:34.808059  USB2 port 4: enabled 1

 1448 07:57:34.808142  USB2 port 8: enabled 1

 1449 07:57:34.811793  APIC: 01: enabled 1

 1450 07:57:34.814582  APIC: 03: enabled 1

 1451 07:57:34.814670  APIC: 02: enabled 1

 1452 07:57:34.818195  PCI: 00:04.0: enabled 1

 1453 07:57:34.821210  PCI: 00:08.0: enabled 1

 1454 07:57:34.824782  FMAP: area RW_ELOG found @ 9f0000 (16384 bytes)

 1455 07:57:34.831341  ELOG: NV offset 0x9f0000 size 0x4000

 1456 07:57:34.837444  ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024

 1457 07:57:34.844148  ELOG: Event(17) added with size 13 at 2023-03-12 07:57:34 UTC

 1458 07:57:34.847887  POST: Unexpected post code in previous boot: 0x34

 1459 07:57:34.854439  ELOG: Event(A3) added with size 11 at 2023-03-12 07:57:34 UTC

 1460 07:57:34.861039  ELOG: Event(A6) added with size 13 at 2023-03-12 07:57:34 UTC

 1461 07:57:34.867657  ELOG: Event(92) added with size 9 at 2023-03-12 07:57:34 UTC

 1462 07:57:34.874200  ELOG: Event(9A) added with size 9 at 2023-03-12 07:57:34 UTC

 1463 07:57:34.880841  ELOG: Event(AD) added with size 10 at 2023-03-12 07:57:34 UTC

 1464 07:57:34.887263  ELOG: Event(9F) added with size 14 at 2023-03-12 07:57:34 UTC

 1465 07:57:34.894039  BS: BS_DEV_INIT times (us): entry 0 run 417105 exit 66311

 1466 07:57:34.900334  ELOG: Event(A1) added with size 10 at 2023-03-12 07:57:34 UTC

 1467 07:57:34.906995  elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b

 1468 07:57:34.913820  ELOG: Event(A0) added with size 9 at 2023-03-12 07:57:34 UTC

 1469 07:57:34.916639  elog_add_boot_reason: Logged dev mode boot

 1470 07:57:34.920294  Finalize devices...

 1471 07:57:34.923402  Devices finalized

 1472 07:57:34.926495  FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes)

 1473 07:57:34.932989  BS: BS_POST_DEVICE times (us): entry 25558 run 3960 exit 5207

 1474 07:57:34.939665  BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0

 1475 07:57:34.946305  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1476 07:57:34.949367  CBFS: Locating 'fallback/dsdt.aml'

 1477 07:57:34.953103  CBFS: Found @ offset 19af40 size 4691

 1478 07:57:34.959706  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1479 07:57:34.962742  CBFS: Locating 'fallback/slic'

 1480 07:57:34.966573  CBFS: 'fallback/slic' not found.

 1481 07:57:34.972923  ACPI: Writing ACPI tables at 7aa9a000.

 1482 07:57:34.973010  ACPI:    * FACS

 1483 07:57:34.976156  ACPI:    * DSDT

 1484 07:57:34.979584  Ramoops buffer: 0x100000@0x7a999000.

 1485 07:57:34.982651  SGX: not enabled or not supported. skip gnvs fill

 1486 07:57:34.987570  ACPI:    * FADT

 1487 07:57:34.987662  SCI is IRQ9

 1488 07:57:34.994385  ACPI: added table 1/32, length now 40

 1489 07:57:34.994474  ACPI:     * SSDT

 1490 07:57:34.997484  Found 1 CPU(s) with 4 core(s) each.

 1491 07:57:35.004182  \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c

 1492 07:57:35.007934  \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15

 1493 07:57:35.014602  \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h

 1494 07:57:35.017388  \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah

 1495 07:57:35.027571  \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105

 1496 07:57:35.030622  Error: Could not locate 'wifi_sar' in VPD.

 1497 07:57:35.034254  Error: failed from getting SAR limits!

 1498 07:57:35.040783  \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0

 1499 07:57:35.043785  \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00

 1500 07:57:35.050851  \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0

 1501 07:57:35.057024  \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1

 1502 07:57:35.060959  \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2

 1503 07:57:35.067522  \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4

 1504 07:57:35.070570  \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8

 1505 07:57:35.073648  ACPI: added table 2/32, length now 44

 1506 07:57:35.076990  ACPI:    * MCFG

 1507 07:57:35.080416  ACPI: added table 3/32, length now 48

 1508 07:57:35.083520  ACPI:    * TPM2

 1509 07:57:35.087208  ACPI: added table 4/32, length now 52

 1510 07:57:35.087307  ACPI:    * MADT

 1511 07:57:35.090296  SCI is IRQ9

 1512 07:57:35.093943  ACPI: added table 5/32, length now 56

 1513 07:57:35.094029  current = 7aa9fa60

 1514 07:57:35.099944  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1515 07:57:35.103347  CBFS: Locating 'dmic-4ch-48khz-16b.bin'

 1516 07:57:35.109846  CBFS: Found @ offset 167000 size ba8

 1517 07:57:35.116592  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1518 07:57:35.119981  CBFS: Locating 'dmic-4ch-48khz-32b.bin'

 1519 07:57:35.123030  CBFS: Found @ offset 19f640 size ba8

 1520 07:57:35.129806  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1521 07:57:35.132824  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1522 07:57:35.136704  CBFS: Found @ offset 167cc0 size 64

 1523 07:57:35.142838  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1524 07:57:35.146042  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1525 07:57:35.149613  CBFS: Found @ offset 167cc0 size 64

 1526 07:57:35.156283  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1527 07:57:35.163176  CBFS: Locating 'max98927-render-2ch-48khz-24b.bin'

 1528 07:57:35.165928  CBFS: Found @ offset 167c00 size 64

 1529 07:57:35.172706  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1530 07:57:35.175638  CBFS: Locating 'max98927-render-2ch-48khz-16b.bin'

 1531 07:57:35.179382  CBFS: Found @ offset 103f00 size 64

 1532 07:57:35.185598  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1533 07:57:35.192372  CBFS: Locating 'max98927-render-2ch-48khz-16b.bin'

 1534 07:57:35.196045  CBFS: Found @ offset 103f00 size 64

 1535 07:57:35.196136  ACPI:    * NHLT

 1536 07:57:35.202104  ACPI: added table 6/32, length now 60

 1537 07:57:35.202193  ACPI:    * DMAR

 1538 07:57:35.205819  ACPI: added table 7/32, length now 64

 1539 07:57:35.208818  ACPI: * IGD OpRegion

 1540 07:57:35.212035  GMA: Found VBT in CBFS

 1541 07:57:35.212122  GMA: Found valid VBT in CBFS

 1542 07:57:35.215826  current = 7aaa3610

 1543 07:57:35.218750  ACPI: added table 8/32, length now 68

 1544 07:57:35.222658  ACPI:    * HPET

 1545 07:57:35.225752  ACPI: added table 9/32, length now 72

 1546 07:57:35.225843  ACPI: done.

 1547 07:57:35.229040  ACPI tables: 38592 bytes.

 1548 07:57:35.232398  smbios_write_tables: 7a998000

 1549 07:57:35.235520  Create SMBIOS type 17

 1550 07:57:35.238570  PCI: 01:00.0 (Intel WiFi)

 1551 07:57:35.238659  SMBIOS tables: 662 bytes.

 1552 07:57:35.245794  Writing table forward entry at 0x00000500

 1553 07:57:35.248565  Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532

 1554 07:57:35.255409  Writing coreboot table at 0x7aabe000

 1555 07:57:35.258836   0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES

 1556 07:57:35.265163   1. 0000000000001000-000000000009ffff: RAM

 1557 07:57:35.268631   2. 00000000000a0000-00000000000fffff: RESERVED

 1558 07:57:35.271882   3. 0000000000100000-000000007a997fff: RAM

 1559 07:57:35.278306   4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES

 1560 07:57:35.284841   5. 000000007ab06000-000000007abcffff: RAMSTAGE

 1561 07:57:35.288321   6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES

 1562 07:57:35.294952   7. 000000007b000000-000000007fffffff: RESERVED

 1563 07:57:35.298120   8. 00000000e0000000-00000000e3ffffff: RESERVED

 1564 07:57:35.304971   9. 00000000fe000000-00000000fe00ffff: RESERVED

 1565 07:57:35.308395  10. 00000000fed10000-00000000fed19fff: RESERVED

 1566 07:57:35.314682  11. 00000000fed80000-00000000fed84fff: RESERVED

 1567 07:57:35.318421  12. 00000000fed90000-00000000fed91fff: RESERVED

 1568 07:57:35.321916  13. 0000000100000000-000000017effffff: RAM

 1569 07:57:35.327923  Graphics framebuffer located at 0xc0000000

 1570 07:57:35.331491  Passing 6 GPIOs to payload:

 1571 07:57:35.334591              NAME |       PORT | POLARITY |     VALUE

 1572 07:57:35.341194     write protect |  undefined |     high |       low

 1573 07:57:35.344335          recovery |  undefined |     high |       low

 1574 07:57:35.351399               lid |  undefined |     high |      high

 1575 07:57:35.357971             power |  undefined |     high |       low

 1576 07:57:35.361022             oprom |  undefined |     high |       low

 1577 07:57:35.367816          EC in RW | 0x00000036 |     high |       low

 1578 07:57:35.367902  Board ID: 6

 1579 07:57:35.374466  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1580 07:57:35.380791  Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum d21a

 1581 07:57:35.384086  coreboot table: 1468 bytes.

 1582 07:57:35.387523  IMD ROOT    0. 7afff000 00001000

 1583 07:57:35.391038  IMD SMALL   1. 7affe000 00001000

 1584 07:57:35.394019  FSP MEMORY  2. 7abfe000 00400000

 1585 07:57:35.397569  CONSOLE     3. 7abde000 00020000

 1586 07:57:35.400745  TIME STAMP  4. 7abdd000 00000910

 1587 07:57:35.404417  VBOOT       5. 7abdc000 00000c0c

 1588 07:57:35.407420  MRC DATA    6. 7abda000 00001878

 1589 07:57:35.410628  ROMSTG STCK 7. 7abd9000 00000400

 1590 07:57:35.413750  AFTER CAR   8. 7abd0000 00009000

 1591 07:57:35.417359  RAMSTAGE    9. 7ab05000 000cb000

 1592 07:57:35.420645  REFCODE    10. 7aad6000 0002f000

 1593 07:57:35.423881  SMM BACKUP 11. 7aac6000 00010000

 1594 07:57:35.427357  COREBOOT   12. 7aabe000 00008000

 1595 07:57:35.430344  ACPI       13. 7aa9a000 00024000

 1596 07:57:35.433732  ACPI GNVS  14. 7aa99000 00001000

 1597 07:57:35.436831  RAMOOPS    15. 7a999000 00100000

 1598 07:57:35.440720  SMBIOS     16. 7a998000 00000800

 1599 07:57:35.443463  IMD small region:

 1600 07:57:35.447141    IMD ROOT    0. 7affec00 00000400

 1601 07:57:35.450175    FSP RUNTIME 1. 7affebe0 00000004

 1602 07:57:35.453226    VBOOT SEL   2. 7affebc0 00000008

 1603 07:57:35.456821    EC HOSTEVENT 3. 7affeba0 00000008

 1604 07:57:35.459921    POWER STATE 4. 7affeb60 00000040

 1605 07:57:35.463733    ROMSTAGE    5. 7affeb40 00000004

 1606 07:57:35.466746    MEM INFO    6. 7affe980 000001a9

 1607 07:57:35.470544    VPD         7. 7affe920 00000047

 1608 07:57:35.473446    COREBOOTFWD 8. 7affe8e0 00000028

 1609 07:57:35.476435  MTRR: Physical address space:

 1610 07:57:35.483061  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1611 07:57:35.489984  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1612 07:57:35.496336  0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6

 1613 07:57:35.502735  0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0

 1614 07:57:35.509349  0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1

 1615 07:57:35.513057  0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0

 1616 07:57:35.519254  0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6

 1617 07:57:35.526087  MTRR: Fixed MSR 0x250 0x0606060606060606

 1618 07:57:35.529796  MTRR: Fixed MSR 0x258 0x0606060606060606

 1619 07:57:35.532853  MTRR: Fixed MSR 0x259 0x0000000000000000

 1620 07:57:35.535754  MTRR: Fixed MSR 0x268 0x0606060606060606

 1621 07:57:35.539373  MTRR: Fixed MSR 0x269 0x0606060606060606

 1622 07:57:35.545637  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1623 07:57:35.549140  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1624 07:57:35.552665  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1625 07:57:35.555654  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1626 07:57:35.562278  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1627 07:57:35.565847  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1628 07:57:35.568925  call enable_fixed_mtrr()

 1629 07:57:35.572648  CPU physical address size: 39 bits

 1630 07:57:35.579127  MTRR: default type WB/UC MTRR counts: 6/5.

 1631 07:57:35.582139  MTRR: UC selected as default type.

 1632 07:57:35.585160  MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6

 1633 07:57:35.591924  MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0

 1634 07:57:35.598913  MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0

 1635 07:57:35.605191  MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1

 1636 07:57:35.611568  MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6

 1637 07:57:35.615172  

 1638 07:57:35.615276  MTRR check

 1639 07:57:35.618305  Fixed MTRRs   : Enabled

 1640 07:57:35.618408  Variable MTRRs: Enabled

 1641 07:57:35.618478  

 1642 07:57:35.625295  MTRR: Fixed MSR 0x250 0x0606060606060606

 1643 07:57:35.628437  MTRR: Fixed MSR 0x258 0x0606060606060606

 1644 07:57:35.631372  MTRR: Fixed MSR 0x259 0x0000000000000000

 1645 07:57:35.635089  MTRR: Fixed MSR 0x268 0x0606060606060606

 1646 07:57:35.641743  MTRR: Fixed MSR 0x269 0x0606060606060606

 1647 07:57:35.644918  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1648 07:57:35.648125  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1649 07:57:35.651333  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1650 07:57:35.657871  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1651 07:57:35.661835  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1652 07:57:35.664612  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1653 07:57:35.671799  BS: BS_WRITE_TABLES times (us): entry 0 run 537668 exit 146882

 1654 07:57:35.674816  call enable_fixed_mtrr()

 1655 07:57:35.681569  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1656 07:57:35.685520  CPU physical address size: 39 bits

 1657 07:57:35.688147  CBFS: Locating 'fallback/payload'

 1658 07:57:35.691361  MTRR: Fixed MSR 0x250 0x0606060606060606

 1659 07:57:35.695041  MTRR: Fixed MSR 0x258 0x0606060606060606

 1660 07:57:35.701813  MTRR: Fixed MSR 0x259 0x0000000000000000

 1661 07:57:35.705044  MTRR: Fixed MSR 0x268 0x0606060606060606

 1662 07:57:35.707927  MTRR: Fixed MSR 0x269 0x0606060606060606

 1663 07:57:35.711402  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1664 07:57:35.718142  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1665 07:57:35.721267  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1666 07:57:35.724207  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1667 07:57:35.728224  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1668 07:57:35.734419  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1669 07:57:35.737994  MTRR: Fixed MSR 0x250 0x0606060606060606

 1670 07:57:35.741070  MTRR: Fixed MSR 0x258 0x0606060606060606

 1671 07:57:35.744092  MTRR: Fixed MSR 0x259 0x0000000000000000

 1672 07:57:35.750617  MTRR: Fixed MSR 0x268 0x0606060606060606

 1673 07:57:35.754224  MTRR: Fixed MSR 0x269 0x0606060606060606

 1674 07:57:35.757826  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1675 07:57:35.760544  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1676 07:57:35.767202  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1677 07:57:35.770923  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1678 07:57:35.773827  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1679 07:57:35.777403  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1680 07:57:35.780380  call enable_fixed_mtrr()

 1681 07:57:35.787320  CBFS: Found @ offset 223040 size 360b4

 1682 07:57:35.787413  call enable_fixed_mtrr()

 1683 07:57:35.790293  CPU physical address size: 39 bits

 1684 07:57:35.797057  CPU physical address size: 39 bits

 1685 07:57:35.800186  Checking segment from ROM address 0xfff23078

 1686 07:57:35.803625  Checking segment from ROM address 0xfff23094

 1687 07:57:35.810111  Loading segment from ROM address 0xfff23078

 1688 07:57:35.810197    code (compression=0)

 1689 07:57:35.820205    New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c

 1690 07:57:35.830081  Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c

 1691 07:57:35.830185  it's not compressed!

 1692 07:57:35.916953  [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0

 1693 07:57:35.923620  Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834

 1694 07:57:35.930192  Loading segment from ROM address 0xfff23094

 1695 07:57:35.930292    Entry Point 0x30104020

 1696 07:57:35.933289  Loaded segments

 1697 07:57:35.958931  Finalizing chipset.

 1698 07:57:35.965481  ME: Host Firmware Status Register 1 : 0x90000245

 1699 07:57:35.969094  ME: Host Firmware Status Register 2 : 0x6B000306

 1700 07:57:35.975863  ME: Host Firmware Status Register 3 : 0x00000020

 1701 07:57:35.979089  ME: Host Firmware Status Register 4 : 0x00084000

 1702 07:57:35.982058  ME: Host Firmware Status Register 5 : 0x00000000

 1703 07:57:35.989090  ME: Host Firmware Status Register 6 : 0x40000002

 1704 07:57:35.992095  ME: FW Partition Table      : OK

 1705 07:57:35.995614  ME: Bringup Loader Failure  : NO

 1706 07:57:35.998547  ME: Firmware Init Complete  : YES

 1707 07:57:36.002324  ME: Manufacturing Mode      : NO

 1708 07:57:36.005423  ME: Boot Options Present    : NO

 1709 07:57:36.008493  ME: Update In Progress      : NO

 1710 07:57:36.011932  ME: D3 Support              : NO

 1711 07:57:36.015365  ME: D0i3 Support            : YES

 1712 07:57:36.018785  ME: Low Power State Enabled : YES

 1713 07:57:36.021806  ME: CPU Replaced            : NO

 1714 07:57:36.025398  ME: CPU Replacement Valid   : YES

 1715 07:57:36.028267  ME: Current Working State   : Normal

 1716 07:57:36.031935  ME: Current Operation State : M0 with UMA

 1717 07:57:36.038605  ME: Current Operation Mode  : Normal

 1718 07:57:36.041468  ME: Error Code              : No Error

 1719 07:57:36.044835  ME: Progress Phase          : Host Communication

 1720 07:57:36.051901  ME: Power Management Event  : Power cycle reset through Moff

 1721 07:57:36.058327  ME: Progress Phase State    : Host communication established

 1722 07:57:36.061575  ME: Power Down Mitigation   : NO

 1723 07:57:36.064731  ME: FPF status              : fused

 1724 07:57:36.064810  Clearing MCA.

 1725 07:57:36.068563  Finalizing SMM.

 1726 07:57:36.074738  BS: BS_PAYLOAD_LOAD times (us): entry 629 run 261903 exit 135696

 1727 07:57:36.077950  mp_park_aps done after 0 msecs.

 1728 07:57:36.081239  Jumping to boot code at 30104020(7aabe000)

 1729 07:57:36.090723  CPU0: stack: 7ab46000 - 7ab47000, lowest used address 7ab46abc, stack used: 1348 bytes

 1730 07:57:36.090812  

 1731 07:57:36.090885  

 1732 07:57:36.090950  

 1733 07:57:36.094160  Starting depthcharge on rammus...

 1734 07:57:36.094248  

 1735 07:57:36.094618  end: 2.2.3 depthcharge-start (duration 00:00:12) [common]
 1736 07:57:36.094721  start: 2.2.4 bootloader-commands (timeout 00:04:43) [common]
 1737 07:57:36.094806  Setting prompt string to ['rammus:']
 1738 07:57:36.094889  bootloader-commands: Wait for prompt ['rammus:'] (timeout 00:04:43)
 1739 07:57:36.100811  WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime!

 1740 07:57:36.100920  

 1741 07:57:36.110664  WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime!

 1742 07:57:36.110762  

 1743 07:57:36.117300  The GBB signature is at 0x30004020 and is:  24 47 42 42

 1744 07:57:36.120216  

 1745 07:57:36.123798  [firmware-rammus-11275.B-collabora] Dec 11 2020 10:26:21

 1746 07:57:36.123909  

 1747 07:57:36.124000  

 1748 07:57:36.124079  

 1749 07:57:36.124410  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}']
 1751 07:57:36.225201  rammus:tftpboot 192.168.201.1 9568396/tftp-deploy-idv8fnkn/kernel/bzImage 9568396/tftp-deploy-idv8fnkn/kernel/cmdline 9568396/tftp-deploy-idv8fnkn/ramdisk/ramdisk.cpio.gz

 1752 07:57:36.225364  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}']
 1753 07:57:36.225453  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)
 1754 07:57:36.229257   tftpboot 192.168.201.1 9568396/tftp-deploy-idv8fnkn/kernel/bzImoy-idv8fnkn/kernel/cmdline 9568396/tftp-deploy-idv8fnkn/ramdisk/ramdisk.cpio.gz

 1755 07:57:36.229344  

 1756 07:57:36.229412  Waiting for link

 1757 07:57:36.737343  

 1758 07:57:36.737482  R8152: Initializing

 1759 07:57:36.737555  

 1760 07:57:36.740822  Version 9 (ocp_data = 6010)

 1761 07:57:36.740904  

 1762 07:57:36.743790  R8152: Done initializing

 1763 07:57:36.743875  

 1764 07:57:36.747193  Adding net device

 1765 07:57:36.947100  

 1766 07:57:36.947264  done.

 1767 07:57:36.947351  

 1768 07:57:36.947432  MAC: 00:e0:4c:68:0a:98

 1769 07:57:36.947508  

 1770 07:57:36.950196  Sending DHCP discover... done.

 1771 07:57:36.950286  

 1772 07:57:36.953762  Waiting for reply... done.

 1773 07:57:36.953866  

 1774 07:57:36.956589  Sending DHCP request... done.

 1775 07:57:36.956678  

 1776 07:57:36.960197  Waiting for reply... done.

 1777 07:57:36.960285  

 1778 07:57:36.963525  My ip is 192.168.201.18

 1779 07:57:36.963628  

 1780 07:57:36.967012  The DHCP server ip is 192.168.201.1

 1781 07:57:36.967099  

 1782 07:57:36.970030  TFTP server IP predefined by user: 192.168.201.1

 1783 07:57:36.970133  

 1784 07:57:36.976664  Bootfile predefined by user: 9568396/tftp-deploy-idv8fnkn/kernel/bzImage

 1785 07:57:36.976752  

 1786 07:57:36.979716  Sending tftp read request... done.

 1787 07:57:36.983377  

 1788 07:57:36.983464  Waiting for the transfer... 

 1789 07:57:36.986288  

 1790 07:57:37.228306  00000000 ################################################################

 1791 07:57:37.228458  

 1792 07:57:37.470493  00080000 ################################################################

 1793 07:57:37.470653  

 1794 07:57:37.712155  00100000 ################################################################

 1795 07:57:37.712338  

 1796 07:57:37.951193  00180000 ################################################################

 1797 07:57:37.951349  

 1798 07:57:38.190155  00200000 ################################################################

 1799 07:57:38.190302  

 1800 07:57:38.432768  00280000 ################################################################

 1801 07:57:38.432907  

 1802 07:57:38.675012  00300000 ################################################################

 1803 07:57:38.675152  

 1804 07:57:38.918709  00380000 ################################################################

 1805 07:57:38.918849  

 1806 07:57:39.161373  00400000 ################################################################

 1807 07:57:39.161518  

 1808 07:57:39.404596  00480000 ################################################################

 1809 07:57:39.404735  

 1810 07:57:39.645718  00500000 ################################################################

 1811 07:57:39.645864  

 1812 07:57:39.889455  00580000 ################################################################

 1813 07:57:39.889596  

 1814 07:57:40.131972  00600000 ################################################################

 1815 07:57:40.132114  

 1816 07:57:40.375156  00680000 ################################################################

 1817 07:57:40.375323  

 1818 07:57:40.618364  00700000 ################################################################

 1819 07:57:40.618532  

 1820 07:57:40.865017  00780000 ################################################################

 1821 07:57:40.865159  

 1822 07:57:41.101896  00800000 ################################################################

 1823 07:57:41.102038  

 1824 07:57:41.337257  00880000 ################################################################

 1825 07:57:41.337398  

 1826 07:57:41.573585  00900000 ################################################################

 1827 07:57:41.573768  

 1828 07:57:41.813197  00980000 ################################################################

 1829 07:57:41.813335  

 1830 07:57:42.057675  00a00000 ################################################################

 1831 07:57:42.057818  

 1832 07:57:42.306071  00a80000 ################################################################

 1833 07:57:42.306214  

 1834 07:57:42.548202  00b00000 ################################################################

 1835 07:57:42.548340  

 1836 07:57:42.791460  00b80000 ################################################################

 1837 07:57:42.791600  

 1838 07:57:43.031141  00c00000 ################################################################

 1839 07:57:43.031285  

 1840 07:57:43.269828  00c80000 ################################################################

 1841 07:57:43.269966  

 1842 07:57:43.519864  00d00000 ################################################################

 1843 07:57:43.520053  

 1844 07:57:43.694163  00d80000 ############################################# done.

 1845 07:57:43.694306  

 1846 07:57:43.697304  The bootfile was 14517184 bytes long.

 1847 07:57:43.697393  

 1848 07:57:43.700900  Sending tftp read request... done.

 1849 07:57:43.700991  

 1850 07:57:43.704069  Waiting for the transfer... 

 1851 07:57:43.704157  

 1852 07:57:43.949508  00000000 ################################################################

 1853 07:57:43.949665  

 1854 07:57:44.190963  00080000 ################################################################

 1855 07:57:44.191110  

 1856 07:57:44.428663  00100000 ################################################################

 1857 07:57:44.428908  

 1858 07:57:44.668269  00180000 ################################################################

 1859 07:57:44.668431  

 1860 07:57:44.908709  00200000 ################################################################

 1861 07:57:44.908855  

 1862 07:57:45.145023  00280000 ################################################################

 1863 07:57:45.145166  

 1864 07:57:45.385621  00300000 ################################################################

 1865 07:57:45.385766  

 1866 07:57:45.624837  00380000 ################################################################

 1867 07:57:45.625000  

 1868 07:57:45.867688  00400000 ################################################################

 1869 07:57:45.867841  

 1870 07:57:46.110331  00480000 ################################################################

 1871 07:57:46.110478  

 1872 07:57:46.350434  00500000 ################################################################

 1873 07:57:46.350621  

 1874 07:57:46.591383  00580000 ################################################################

 1875 07:57:46.591548  

 1876 07:57:46.832204  00600000 ################################################################

 1877 07:57:46.832353  

 1878 07:57:47.068663  00680000 ################################################################

 1879 07:57:47.068816  

 1880 07:57:47.305619  00700000 ################################################################

 1881 07:57:47.305772  

 1882 07:57:47.542079  00780000 ################################################################

 1883 07:57:47.542250  

 1884 07:57:47.776146  00800000 ################################################################

 1885 07:57:47.776317  

 1886 07:57:48.012846  00880000 ################################################################

 1887 07:57:48.012984  

 1888 07:57:48.249614  00900000 ################################################################

 1889 07:57:48.249752  

 1890 07:57:48.484371  00980000 ################################################################

 1891 07:57:48.484527  

 1892 07:57:48.555431  00a00000 ################### done.

 1893 07:57:48.555568  

 1894 07:57:48.559006  Sending tftp read request... done.

 1895 07:57:48.559109  

 1896 07:57:48.562041  Waiting for the transfer... 

 1897 07:57:48.562123  

 1898 07:57:48.562207  00000000 # done.

 1899 07:57:48.562291  

 1900 07:57:48.572022  Command line loaded dynamically from TFTP file: 9568396/tftp-deploy-idv8fnkn/kernel/cmdline

 1901 07:57:48.572115  

 1902 07:57:48.595255  The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8  console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/9568396/extract-nfsrootfs-vzqianvc,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1903 07:57:48.600644  

 1904 07:57:48.604336  Shutting down all USB controllers.

 1905 07:57:48.604428  

 1906 07:57:48.604516  Removing current net device

 1907 07:57:48.604601  

 1908 07:57:48.607245  Finalizing coreboot

 1909 07:57:48.607337  

 1910 07:57:48.614155  Exiting depthcharge with code 4 at timestamp: 18773026

 1911 07:57:48.614245  

 1912 07:57:48.614332  

 1913 07:57:48.614414  Starting kernel ...

 1914 07:57:48.614494  

 1915 07:57:48.614613  

 1916 07:57:48.615023  end: 2.2.4 bootloader-commands (duration 00:00:13) [common]
 1917 07:57:48.615136  start: 2.2.5 auto-login-action (timeout 00:04:31) [common]
 1918 07:57:48.615222  Setting prompt string to ['Linux version [0-9]']
 1919 07:57:48.615307  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}']
 1920 07:57:48.615392  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)
 1921 07:57:51.033246  

 1922 07:57:51.033658  start: 2.2.5.1 login-action (timeout 00:04:28) [common]
 1923 07:57:51.033806  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.
 1924 07:57:51.033927  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']
 1925 07:57:51.034041  Using line separator: #'\n'#
 1926 07:57:51.034136  No login prompt set.
 1927 07:57:51.034242  Parsing kernel messages
 1928 07:57:51.034342  ['-\\[ 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']
 1929 07:57:51.034523  [login-action] Waiting for messages, (timeout 00:04:28)
 1930 07:57:51.052819  [    0.000000] Linux version 5.10.173-cip27 (KernelCI@build-j1167320-x86-64-gcc-10-x86-64-defconfig-x86-chromebowtxtf) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sun Mar 12 07:45:06 UTC 2023

 1931 07:57:51.080172  [    0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8  console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/9568396/extract-nfsrootfs-vzqianvc,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1932 07:57:51.086276  [    0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'

 1933 07:57:51.096203  [    0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'

 1934 07:57:51.102794  [    0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'

 1935 07:57:51.109381  [    0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'

 1936 07:57:51.116167  [    0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'

 1937 07:57:51.122354  [    0.000000] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256

 1938 07:57:51.129417  [    0.000000] x86/fpu: xstate_offset[3]:  832, xstate_sizes[3]:   64

 1939 07:57:51.138823  [    0.000000] x86/fpu: xstate_offset[4]:  896, xstate_sizes[4]:   64

 1940 07:57:51.149081  [    0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format.

 1941 07:57:51.152517  [    0.000000] BIOS-provided physical RAM map:

 1942 07:57:51.161796  [    0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16

 1943 07:57:51.168213  [    0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable

 1944 07:57:51.174818  [    0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved

 1945 07:57:51.184663  [    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable

 1946 07:57:51.191476  [    0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16

 1947 07:57:51.198123  [    0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved

 1948 07:57:51.207839  [    0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved

 1949 07:57:51.214438  [    0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved

 1950 07:57:51.220852  [    0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved

 1951 07:57:51.230767  [    0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved

 1952 07:57:51.237697  [    0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved

 1953 07:57:51.244243  [    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable

 1954 07:57:51.250679  [    0.000000] NX (Execute Disable) protection: active

 1955 07:57:51.254389  [    0.000000] SMBIOS 2.7 present.

 1956 07:57:51.260513  [    0.000000] DMI: Google Rammus/Rammus, BIOS  09/04/2020

 1957 07:57:51.267399  [    0.000000] tsc: Detected 1600.000 MHz processor

 1958 07:57:51.270390  [    0.000000] tsc: Detected 1599.960 MHz TSC

 1959 07:57:51.276950  [    0.000051] last_pfn = 0x17f000 max_arch_pfn = 0x400000000

 1960 07:57:51.283521  [    0.001295] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  

 1961 07:57:51.290141  [    0.006679] last_pfn = 0x7a998 max_arch_pfn = 0x400000000

 1962 07:57:51.296547  [    0.024134] check: Scanning 1 areas for low memory corruption

 1963 07:57:51.299981  [    0.024146] Using GB pages for direct mapping

 1964 07:57:51.306616  [    0.024687] RAMDISK: [mem 0x375da000-0x37ffffff]

 1965 07:57:51.313264  [    0.024694] ACPI: Early table checksum verification disabled

 1966 07:57:51.319928  [    0.024701] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE  )

 1967 07:57:51.329765  [    0.024714] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1968 07:57:51.339514  [    0.024729] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 1969 07:57:51.349719  [    0.024744] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531)

 1970 07:57:51.352686  [    0.024756] ACPI: FACS 0x000000007AA9A240 000040

 1971 07:57:51.359187  [    0.024766] ACPI: FACS 0x000000007AA9A240 000040

 1972 07:57:51.369204  [    0.024776] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE   COREBOOT 0000002A CORE 0000002A)

 1973 07:57:51.379062  [    0.024788] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1974 07:57:51.388763  [    0.024799] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 1975 07:57:51.395521  [    0.024810] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE   COREBOOT 00000000 CORE 00000000)

 1976 07:57:51.405378  [    0.024821] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS   00000000 CORE 00000000)

 1977 07:57:51.415000  [    0.024832] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1978 07:57:51.425159  [    0.024844] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE   COREBOOT 00000000 CORE 00000000)

 1979 07:57:51.435078  [    0.024854] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1980 07:57:51.444437  [    0.024866] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63]

 1981 07:57:51.451342  [    0.024870] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962]

 1982 07:57:51.458101  [    0.024875] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f]

 1983 07:57:51.467687  [    0.024879] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f]

 1984 07:57:51.474148  [    0.024883] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969]

 1985 07:57:51.483928  [    0.024888] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab]

 1986 07:57:51.490618  [    0.024892] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef]

 1987 07:57:51.497121  [    0.024896] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b]

 1988 07:57:51.507137  [    0.024901] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b]

 1989 07:57:51.513731  [    0.024905] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607]

 1990 07:57:51.523372  [    0.024909] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670]

 1991 07:57:51.530084  [    0.024914] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7]

 1992 07:57:51.533581  [    0.025049] No NUMA configuration found

 1993 07:57:51.543058  [    0.025054] Faking a node at [mem 0x0000000000000000-0x000000017effffff]

 1994 07:57:51.550052  [    0.025063] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff]

 1995 07:57:51.552932  [    0.025115] Zone ranges:

 1996 07:57:51.559538  [    0.025119]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]

 1997 07:57:51.566448  [    0.025126]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]

 1998 07:57:51.573074  [    0.025133]   Normal   [mem 0x0000000100000000-0x000000017effffff]

 1999 07:57:51.575966  [    0.025139] Movable zone start for each node

 2000 07:57:51.583004  [    0.025144] Early memory node ranges

 2001 07:57:51.589378  [    0.025148]   node   0: [mem 0x0000000000001000-0x000000000009ffff]

 2002 07:57:51.595964  [    0.025153]   node   0: [mem 0x0000000000100000-0x000000007a997fff]

 2003 07:57:51.602591  [    0.025158]   node   0: [mem 0x0000000100000000-0x000000017effffff]

 2004 07:57:51.609005  [    0.025163] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff]

 2005 07:57:51.615561  [    0.025196] On node 0, zone DMA: 1 pages in unavailable ranges

 2006 07:57:51.622037  [    0.025237] On node 0, zone DMA: 96 pages in unavailable ranges

 2007 07:57:51.631609  [    0.035760] On node 0, zone Normal: 22120 pages in unavailable ranges

 2008 07:57:51.638688  [    0.035837] On node 0, zone Normal: 4096 pages in unavailable ranges

 2009 07:57:51.645121  [    0.035862] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff]

 2010 07:57:51.651748  [    0.036217] ACPI: PM-Timer IO Port: 0x1808

 2011 07:57:51.658175  [    0.036286] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119

 2012 07:57:51.664450  [    0.036299] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)

 2013 07:57:51.670970  [    0.036304] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)

 2014 07:57:51.677578  [    0.036318] Using ACPI (MADT) for SMP configuration information

 2015 07:57:51.684281  [    0.036324] ACPI: HPET id: 0x8086a701 base: 0xfed00000

 2016 07:57:51.690619  [    0.036331] TSC deadline timer available

 2017 07:57:51.694009  [    0.036336] smpboot: Allowing 4 CPUs, 0 hotplug CPUs

 2018 07:57:51.704347  [    0.036364] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]

 2019 07:57:51.710825  [    0.036370] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff]

 2020 07:57:51.720228  [    0.036376] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff]

 2021 07:57:51.730247  [    0.036380] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff]

 2022 07:57:51.736764  [    0.036384] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff]

 2023 07:57:51.746473  [    0.036388] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff]

 2024 07:57:51.752981  [    0.036392] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff]

 2025 07:57:51.762805  [    0.036396] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff]

 2026 07:57:51.772889  [    0.036400] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff]

 2027 07:57:51.779282  [    0.036404] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff]

 2028 07:57:51.789199  [    0.036409] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff]

 2029 07:57:51.795618  [    0.036413] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff]

 2030 07:57:51.805829  [    0.036416] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff]

 2031 07:57:51.815411  [    0.036420] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff]

 2032 07:57:51.821808  [    0.036424] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff]

 2033 07:57:51.829006  [    0.036433] [mem 0x80000000-0xdfffffff] available for PCI devices

 2034 07:57:51.841651  [    0.036440] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns

 2035 07:57:51.848844  [    0.049983] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1

 2036 07:57:51.858521  [    0.050253] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288

 2037 07:57:51.864968  [    0.050332] Built 1 zonelists, mobility grouping on.  Total pages: 1006266

 2038 07:57:51.868196  [    0.050337] Policy zone: Normal

 2039 07:57:51.894638  [    0.050350] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8  console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/9568396/extract-nfsrootfs-vzqianvc,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2040 07:57:51.901610  [    0.050871] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)

 2041 07:57:51.911005  [    0.051112] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)

 2042 07:57:51.917723  [    0.051199] mem auto-init: stack:off, heap alloc:off, heap free:off

 2043 07:57:51.934191  [    0.072171] Memory: 3886392K/4089052K available (18450K kernel code, 3478K rwdata, 8136K rodata, 2040K init, 13160K bss, 202400K reserved, 0K cma-reserved)

 2044 07:57:51.940895  [    0.072314] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

 2045 07:57:51.946917  [    0.072370] Kernel/User page tables isolation: enabled

 2046 07:57:51.953715  [    0.072447] ftrace: allocating 53538 entries in 210 pages

 2047 07:57:51.957197  [    0.128383] ftrace: allocated 210 pages with 4 groups

 2048 07:57:51.963845  [    0.128652] Running RCU self tests

 2049 07:57:51.967316  [    0.128667] rcu: Hierarchical RCU implementation.

 2050 07:57:51.973881  [    0.128671] rcu: 	RCU event tracing is enabled.

 2051 07:57:51.976655  [    0.128675] rcu: 	RCU lockdep checking is enabled.

 2052 07:57:51.986577  [    0.128680] rcu: 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4.

 2053 07:57:51.990039  [    0.128685] 	Rude variant of Tasks RCU enabled.

 2054 07:57:51.996682  [    0.128688] 	Tracing variant of Tasks RCU enabled.

 2055 07:57:52.002971  [    0.128693] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.

 2056 07:57:52.013228  [    0.128697] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4

 2057 07:57:52.019259  [    0.137868] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16

 2058 07:57:52.022843  [    0.138326] random: crng init done

 2059 07:57:52.026376  [    0.138427] Console: colour dummy device 80x25

 2060 07:57:52.032331  [    0.213560] printk: console [ttyS0] enabled

 2061 07:57:52.039351  [    0.213928] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

 2062 07:57:52.045893  [    0.214590] ... MAX_LOCKDEP_SUBCLASSES:  8

 2063 07:57:52.048907  [    0.214949] ... MAX_LOCK_DEPTH:          48

 2064 07:57:52.055363  [    0.215316] ... MAX_LOCKDEP_KEYS:        8192

 2065 07:57:52.058634  [    0.215697] ... CLASSHASH_SIZE:          4096

 2066 07:57:52.065835  [    0.216078] ... MAX_LOCKDEP_ENTRIES:     32768

 2067 07:57:52.068673  [    0.216467] ... MAX_LOCKDEP_CHAINS:      65536

 2068 07:57:52.075798  [    0.216855] ... CHAINHASH_SIZE:          32768

 2069 07:57:52.081879  [    0.217243]  memory used by lock dependency info: 6365 kB

 2070 07:57:52.085397  [    0.217711]  memory used for stack traces: 4224 kB

 2071 07:57:52.091813  [    0.218128]  per task-struct memory footprint: 1920 bytes

 2072 07:57:52.098266  [    0.218652] ACPI: Core revision 20200925

 2073 07:57:52.104926  [    0.219206] hpet: HPET dysfunctional in PC10. Force disabled.

 2074 07:57:52.108370  [    0.219706] APIC: Switch to symmetric I/O mode setup

 2075 07:57:52.121628  [    0.224166] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns

 2076 07:57:52.131307  [    0.225085] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960)

 2077 07:57:52.138103  [    0.225989] pid_max: default: 32768 minimum: 301

 2078 07:57:52.144455  [    0.226068] LSM: Security Framework initializing

 2079 07:57:52.147511  [    0.226068] SELinux:  Initializing.

 2080 07:57:52.151324  [    0.226068] LSM support for eBPF active

 2081 07:57:52.160758  [    0.226068] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2082 07:57:52.167440  [    0.226068] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2083 07:57:52.174083  [    0.226068] mce: CPU0: Thermal monitoring enabled (TM1)

 2084 07:57:52.180620  [    0.226068] process: using mwait in idle threads

 2085 07:57:52.187207  [    0.226068] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8

 2086 07:57:52.193591  [    0.226068] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4

 2087 07:57:52.200018  [    0.226068] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization

 2088 07:57:52.206714  [    0.226068] Spectre V2 : Mitigation: IBRS

 2089 07:57:52.216686  [    0.226068] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch

 2090 07:57:52.223447  [    0.226068] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT

 2091 07:57:52.226163  [    0.226068] RETBleed: Mitigation: IBRS

 2092 07:57:52.236494  [    0.226068] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier

 2093 07:57:52.245946  [    0.226068] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl

 2094 07:57:52.256135  [    0.226068] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp

 2095 07:57:52.262817  [    0.226068] MDS: Vulnerable: Clear CPU buffers attempted, no microcode

 2096 07:57:52.272832  [    0.226068] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode

 2097 07:57:52.275646  [    0.226068] SRBDS: Vulnerable: No microcode

 2098 07:57:52.279492  Setting prompt string to ['-+\\[ end trace \\w* \\]-+[^\\n]*\\r', '/ #', 'Login timed out', 'Login incorrect']
 2099 07:57:52.282716  [    0.226068] ------------[ cut here ]------------

 2100 07:57:52.292111  [    0.226068] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00

 2101 07:57:52.301866  [    0.226068] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220

 2102 07:57:52.305277  [    0.226068] Modules linked in:

 2103 07:57:52.315154  [    0.226068] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.173-cip27 #1

 2104 07:57:52.321773  [    0.226068] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 2105 07:57:52.325392  [    0.226068] RIP: 0010:apply_returns+0x1f5/0x220

 2106 07:57:52.347852  [    0.226068] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 68 b4 60 9f c6 05 21 92 e4 01 01 e8 e8 28 e9 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc

 2107 07:57:52.351362  [    0.226068] RSP: 0000:ffffffff9f803de0 EFLAGS: 00010282

 2108 07:57:52.361000  [    0.226068] RAX: 0000000000000000 RBX: ffffffffa02f45f4 RCX: 0000000000000000

 2109 07:57:52.367796  [    0.226068] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9dd7a011

 2110 07:57:52.377875  [    0.226068] RBP: ffffffff9f2d5f00 R08: 0000000000000001 R09: 0000000000000001

 2111 07:57:52.384150  [    0.226068] R10: ffffffff9f88fe40 R11: 3fffffffffffffff R12: ffffffffa030cac0

 2112 07:57:52.394074  [    0.226068] R13: cccccccccccccccc R14: ffffffff9f2d5f05 R15: 0000000000000004

 2113 07:57:52.400556  [    0.226068] FS:  0000000000000000(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 2114 07:57:52.407309  [    0.226068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 2115 07:57:52.416800  [    0.226068] CR2: ffff8ae6fefff000 CR3: 0000000049226001 CR4: 00000000003706f0

 2116 07:57:52.420331  [    0.226068] Call Trace:

 2117 07:57:52.423265  [    0.226068]  alternative_instructions+0x7d/0x143

 2118 07:57:52.426826  [    0.226068]  check_bugs+0xe9f/0xefb

 2119 07:57:52.433419  [    0.226068]  start_kernel+0x517/0x54d

 2120 07:57:52.436652  [    0.226068]  secondary_startup_64_no_verify+0xc2/0xcb

 2121 07:57:52.443157  [    0.226068] irq event stamp: 165433

 2122 07:57:52.452752  [    0.226068] hardirqs last  enabled at (165441): [<ffffffff9dd7a011>] console_unlock+0x4d1/0x5f0

 2123 07:57:52.459733  [    0.226068] hardirqs last disabled at (165448): [<ffffffff9dd79f84>] console_unlock+0x444/0x5f0

 2124 07:57:52.472737  [    0.226068] softirqs last  enabled at (1828): [<ffffffff9ddd138b>] cgroup_idr_alloc.constprop.0+0x5b/0xe0

 2125 07:57:52.482492  [    0.226068] softirqs last disabled at (1826): [<ffffffff9ddd135e>] cgroup_idr_alloc.constprop.0+0x2e/0xe0

 2126 07:57:52.489312  [    0.226068] ---[ end trace b9cc279d67662a96 ]---

 2127 07:57:52.489594  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']
 2128 07:57:52.489683  login-action: kernel 'warning'
 2129 07:57:52.489759  [login-action] Waiting for messages, (timeout 00:04:27)
 2130 07:57:52.492362  [    0.226068] Freeing SMP alternatives memory: 48K

 2131 07:57:52.505555  [    0.226068] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9)

 2132 07:57:52.515438  [    0.226977] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver.

 2133 07:57:52.518940  [    0.227086] ... version:                4

 2134 07:57:52.525282  [    0.227444] ... bit width:              48

 2135 07:57:52.528779  [    0.227806] ... generic registers:      4

 2136 07:57:52.535344  [    0.228076] ... value mask:             0000ffffffffffff

 2137 07:57:52.542113  [    0.228542] ... max period:             00007fffffffffff

 2138 07:57:52.545057  [    0.229004] ... fixed-purpose events:   3

 2139 07:57:52.551905  [    0.229075] ... event mask:             000000070000000f

 2140 07:57:52.558252  [    0.230199] rcu: Hierarchical SRCU implementation.

 2141 07:57:52.561621  [    0.233027] smp: Bringing up secondary CPUs ...

 2142 07:57:52.568363  [    0.234052] x86: Booting SMP configuration:

 2143 07:57:52.571347  [    0.234108] .... node  #0, CPUs:      #1

 2144 07:57:52.585567  [    0.235190] 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.

 2145 07:57:52.604091  [    0.236107] 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.

 2146 07:57:52.608295  [    0.237970]  #2 #3

 2147 07:57:52.611934  [    0.240633] smp: Brought up 1 node, 4 CPUs

 2148 07:57:52.615439  [    0.241457] smpboot: Max logical packages: 1

 2149 07:57:52.623254  [    0.241838] smpboot: Total of 4 processors activated (12799.68 BogoMIPS)

 2150 07:57:52.626683  [    0.244509] devtmpfs: initialized

 2151 07:57:52.634218  [    0.245520] x86/mm: Memory block size: 128MB

 2152 07:57:52.645717  [    0.251176] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns

 2153 07:57:52.652831  [    0.252103] futex hash table entries: 1024 (order: 5, 131072 bytes, linear)

 2154 07:57:52.656025  [    0.253283] pinctrl core: initialized pinctrl subsystem

 2155 07:57:52.662671  [    0.254229] PM: RTC time: 07:57:49, date: 2023-03-12

 2156 07:57:52.669171  [    0.255392] NET: Registered protocol family 16

 2157 07:57:52.675653  [    0.256818] audit: initializing netlink subsys (disabled)

 2158 07:57:52.682497  [    0.257134] audit: type=2000 audit(1678607869.032:1): state=initialized audit_enabled=0 res=1

 2159 07:57:52.689040  [    0.258164] thermal_sys: Registered thermal governor 'step_wise'

 2160 07:57:52.699126  [    0.258171] thermal_sys: Registered thermal governor 'user_space'

 2161 07:57:52.701892  [    0.258799] cpuidle: using governor menu

 2162 07:57:52.705595  [    0.259532] ACPI: bus type PCI registered

 2163 07:57:52.715253  [    0.260572] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000)

 2164 07:57:52.725262  [    0.261085] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820

 2165 07:57:52.731859  [    0.261715] PCI: Using configuration type 1 for base access

 2166 07:57:52.734859  [    0.293393] Kprobes globally optimized

 2167 07:57:52.741429  [    0.294159] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages

 2168 07:57:52.748046  [    0.294692] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages

 2169 07:57:52.757927  [    0.295327] cryptomgr_test (38) used greatest stack depth: 14880 bytes left

 2170 07:57:52.761603  [    0.298573] ACPI: Added _OSI(Module Device)

 2171 07:57:52.767901  [    0.298950] ACPI: Added _OSI(Processor Device)

 2172 07:57:52.771597  [    0.299079] ACPI: Added _OSI(3.0 _SCP Extensions)

 2173 07:57:52.777935  [    0.299496] ACPI: Added _OSI(Processor Aggregator Device)

 2174 07:57:52.784851  [    0.299970] ACPI: Added _OSI(Linux-Dell-Video)

 2175 07:57:52.791572  [    0.301084] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)

 2176 07:57:52.794316  [    0.301553] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)

 2177 07:57:52.801363  [    0.318213] ACPI: 2 ACPI AML tables successfully acquired and loaded

 2178 07:57:52.807403  [    0.329108] ACPI: EC: EC started

 2179 07:57:52.811053  [    0.329424] ACPI: EC: interrupt blocked

 2180 07:57:52.817753  [    0.330764] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2181 07:57:52.824027  [    0.331082] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions

 2182 07:57:52.827629  [    0.331720] ACPI: Interpreter enabled

 2183 07:57:52.834115  [    0.332129] ACPI: (supports S0 S3 S4 S5)

 2184 07:57:52.837005  [    0.332479] ACPI: Using IOAPIC for interrupt routing

 2185 07:57:52.850164  [    0.333013] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug

 2186 07:57:52.853819  [    0.356791] ACPI: Power Resource [PRIC] (on)

 2187 07:57:52.860208  [    0.487692] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])

 2188 07:57:52.869803  [    0.488089] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]

 2189 07:57:52.879836  [    0.489256] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR]

 2190 07:57:52.890029  [    0.489940] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge

 2191 07:57:52.896364  [    0.491888] PCI host bridge to bus 0000:00

 2192 07:57:52.902862  [    0.492083] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]

 2193 07:57:52.909621  [    0.492673] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]

 2194 07:57:52.919156  [    0.493078] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]

 2195 07:57:52.925981  [    0.493726] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window]

 2196 07:57:52.935801  [    0.494078] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window]

 2197 07:57:52.942187  [    0.494726] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window]

 2198 07:57:52.952043  [    0.495081] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window]

 2199 07:57:52.962464  [    0.495727] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window]

 2200 07:57:52.968773  [    0.497079] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window]

 2201 07:57:52.978643  [    0.497726] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window]

 2202 07:57:52.984943  [    0.498078] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window]

 2203 07:57:52.994913  [    0.498725] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window]

 2204 07:57:53.001354  [    0.499077] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window]

 2205 07:57:53.011382  [    0.499726] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window]

 2206 07:57:53.017858  [    0.501079] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window]

 2207 07:57:53.027516  [    0.501726] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window]

 2208 07:57:53.037677  [    0.502078] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window]

 2209 07:57:53.044227  [    0.502725] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window]

 2210 07:57:53.054149  [    0.503078] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window]

 2211 07:57:53.060892  [    0.503724] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window]

 2212 07:57:53.067455  [    0.505080] pci_bus 0000:00: root bus resource [bus 00-ff]

 2213 07:57:53.073859  [    0.505663] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000

 2214 07:57:53.080744  [    0.507402] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000

 2215 07:57:53.090307  [    0.507955] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit]

 2216 07:57:53.096648  [    0.508095] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref]

 2217 07:57:53.103147  [    0.508729] pci 0000:00:02.0: reg 0x20: [io  0x1c00-0x1c3f]

 2218 07:57:53.110312  [    0.509941] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000

 2219 07:57:53.116495  [    0.511107] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit]

 2220 07:57:53.123137  [    0.512722] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000

 2221 07:57:53.132851  [    0.513107] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit]

 2222 07:57:53.139992  [    0.514572] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330

 2223 07:57:53.146162  [    0.515119] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit]

 2224 07:57:53.152638  [    0.515875] pci 0000:00:14.0: PME# supported from D3hot D3cold

 2225 07:57:53.159092  [    0.517111] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000

 2226 07:57:53.166249  [    0.517674] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit]

 2227 07:57:53.172617  [    0.518978] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000

 2228 07:57:53.182315  [    0.520129] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit]

 2229 07:57:53.188898  [    0.521799] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000

 2230 07:57:53.195392  [    0.522128] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit]

 2231 07:57:53.201997  [    0.523838] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000

 2232 07:57:53.211580  [    0.524128] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit]

 2233 07:57:53.218552  [    0.524747] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit]

 2234 07:57:53.224837  [    0.527150] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000

 2235 07:57:53.231564  [    0.527720] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit]

 2236 07:57:53.238354  [    0.529214] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400

 2237 07:57:53.244887  [    0.529964] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold

 2238 07:57:53.250889  [    0.531123] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000

 2239 07:57:53.260716  [    0.531694] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit]

 2240 07:57:53.267461  [    0.533164] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000

 2241 07:57:53.274004  [    0.533734] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit]

 2242 07:57:53.281136  [    0.536164] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501

 2243 07:57:53.290255  [    0.536729] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit]

 2244 07:57:53.297003  [    0.538307] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501

 2245 07:57:53.303510  [    0.538871] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit]

 2246 07:57:53.310196  [    0.540133] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100

 2247 07:57:53.316893  [    0.541689] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000

 2248 07:57:53.323153  [    0.542113] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff]

 2249 07:57:53.329680  [    0.543679] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100

 2250 07:57:53.339920  [    0.545127] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit]

 2251 07:57:53.346274  [    0.545776] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit]

 2252 07:57:53.352886  [    0.546201] pci 0000:00:1f.3: PME# supported from D3hot D3cold

 2253 07:57:53.359469  [    0.547744] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500

 2254 07:57:53.365824  [    0.548144] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit]

 2255 07:57:53.372554  [    0.548809] pci 0000:00:1f.4: reg 0x20: [io  0xefa0-0xefbf]

 2256 07:57:53.379128  [    0.550068] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000

 2257 07:57:53.385615  [    0.551115] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff]

 2258 07:57:53.392130  [    0.553451] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000

 2259 07:57:53.401764  [    0.554973] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit]

 2260 07:57:53.408647  [    0.559323] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold

 2261 07:57:53.414779  [    0.562517] pci 0000:00:1c.0: PCI bridge to [bus 01]

 2262 07:57:53.421785  [    0.562974] pci 0000:00:1c.0:   bridge window [mem 0xd1000000-0xd10fffff]

 2263 07:57:53.427923  [    0.566003] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11

 2264 07:57:53.435075  [    0.567477] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15)

 2265 07:57:53.444502  [    0.568466] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11

 2266 07:57:53.451017  [    0.569466] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11

 2267 07:57:53.461153  [    0.570466] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11

 2268 07:57:53.467750  [    0.571466] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11

 2269 07:57:53.474362  [    0.572485] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11

 2270 07:57:53.481127  [    0.573488] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11

 2271 07:57:53.487510  [    0.582146] ACPI: EC: interrupt unblocked

 2272 07:57:53.491218  [    0.582519] ACPI: EC: event unblocked

 2273 07:57:53.497782  [    0.582867] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2274 07:57:53.500721  [    0.583077] ACPI: EC: GPE=0x6e

 2275 07:57:53.507875  [    0.583363] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete

 2276 07:57:53.517334  [    0.583977] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events

 2277 07:57:53.523973  [    0.585663] iommu: Default domain type: Translated 

 2278 07:57:53.530467  [    0.586356] pci 0000:00:02.0: vgaarb: setting as boot VGA device

 2279 07:57:53.536751  [    0.586697] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none

 2280 07:57:53.543865  [    0.588109] pci 0000:00:02.0: vgaarb: bridge control possible

 2281 07:57:53.547113  [    0.588613] vgaarb: loaded

 2282 07:57:53.553389  [    0.589582] SCSI subsystem initialized

 2283 07:57:53.557051  [    0.590372] ACPI: bus type USB registered

 2284 07:57:53.563645  [    0.590895] usbcore: registered new interface driver usbfs

 2285 07:57:53.570141  [    0.591161] usbcore: registered new interface driver hub

 2286 07:57:53.573220  [    0.591679] usbcore: registered new device driver usb

 2287 07:57:53.579617  [    0.592248] mc: Linux media interface: v0.10

 2288 07:57:53.586737  [    0.592674] videodev: Linux video capture interface: v2.00

 2289 07:57:53.589685  [    0.593138] pps_core: LinuxPPS API ver. 1 registered

 2290 07:57:53.602848  [    0.593575] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

 2291 07:57:53.605844  [    0.594094] PTP clock support registered

 2292 07:57:53.612412  [    0.595406] Advanced Linux Sound Architecture Driver Initialized.

 2293 07:57:53.615849  [    0.597063] NetLabel: Initializing

 2294 07:57:53.622393  [    0.598081] NetLabel:  domain hash size = 128

 2295 07:57:53.628863  [    0.598469] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO

 2296 07:57:53.635541  [    0.599060] NetLabel:  unlabeled traffic allowed by default

 2297 07:57:53.638941  [    0.599239] PCI: Using ACPI for IRQ routing

 2298 07:57:53.645498  [    0.608071] clocksource: Switched to clocksource tsc-early

 2299 07:57:53.648993  [    1.114970] VFS: Disk quotas dquot_6.6.0

 2300 07:57:53.655433  [    1.115405] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

 2301 07:57:53.662463  [    1.116521] pnp: PnP ACPI init

 2302 07:57:53.668759  [    1.117835] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved

 2303 07:57:53.675237  [    1.118440] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved

 2304 07:57:53.681835  [    1.119018] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved

 2305 07:57:53.691603  [    1.119616] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved

 2306 07:57:53.698106  [    1.120209] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved

 2307 07:57:53.704776  [    1.120789] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved

 2308 07:57:53.714983  [    1.121412] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved

 2309 07:57:53.721436  [    1.122019] system 00:00: [mem 0xff000000-0xffffffff] has been reserved

 2310 07:57:53.727740  [    1.122613] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved

 2311 07:57:53.734234  [    1.123207] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved

 2312 07:57:53.740842  [    1.124956] system 00:01: [io  0x1800-0x18fe] has been reserved

 2313 07:57:53.747416  [    1.125992] system 00:03: [io  0x0900-0x09fe] has been reserved

 2314 07:57:53.754012  [    1.126860] system 00:04: [io  0x0200] has been reserved

 2315 07:57:53.760617  [    1.127354] system 00:04: [io  0x0204] has been reserved

 2316 07:57:53.767180  [    1.127824] system 00:04: [io  0x0800-0x087f] has been reserved

 2317 07:57:53.773805  [    1.128362] system 00:04: [io  0x0880-0x08ff] has been reserved

 2318 07:57:53.777141  [    1.131823] pnp: PnP ACPI: found 6 devices

 2319 07:57:53.786840  [    1.149227] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns

 2320 07:57:53.793864  [    1.150164] NET: Registered protocol family 2

 2321 07:57:53.800264  [    1.150732] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)

 2322 07:57:53.810320  [    1.153303] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear)

 2323 07:57:53.820252  [    1.154324] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)

 2324 07:57:53.830172  [    1.155302] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear)

 2325 07:57:53.836599  [    1.158022] TCP: Hash tables configured (established 32768 bind 32768)

 2326 07:57:53.843317  [    1.158981] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear)

 2327 07:57:53.852667  [    1.159977] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2328 07:57:53.859829  [    1.160882] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2329 07:57:53.865965  [    1.161972] NET: Registered protocol family 1

 2330 07:57:53.872225  [    1.163252] RPC: Registered named UNIX socket transport module.

 2331 07:57:53.875665  [    1.163796] RPC: Registered udp transport module.

 2332 07:57:53.882510  [    1.164234] RPC: Registered tcp transport module.

 2333 07:57:53.888858  [    1.164651] RPC: Registered tcp NFSv4.1 backchannel transport module.

 2334 07:57:53.895313  [    1.165910] NET: Registered protocol family 44

 2335 07:57:53.898852  [    1.166354] pci 0000:00:1c.0: PCI bridge to [bus 01]

 2336 07:57:53.908707  [    1.166809] pci 0000:00:1c.0:   bridge window [mem 0xd1000000-0xd10fffff]

 2337 07:57:53.915088  [    1.167436] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]

 2338 07:57:53.922291  [    1.167973] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]

 2339 07:57:53.928039  [    1.168528] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]

 2340 07:57:53.937856  [    1.169210] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window]

 2341 07:57:53.944896  [    1.169806] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window]

 2342 07:57:53.951498  [    1.170417] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window]

 2343 07:57:53.961177  [    1.171013] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window]

 2344 07:57:53.968021  [    1.171629] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window]

 2345 07:57:53.974949  [    1.172248] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window]

 2346 07:57:53.984864  [    1.172851] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window]

 2347 07:57:53.991341  [    1.173466] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window]

 2348 07:57:54.000845  [    1.174068] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window]

 2349 07:57:54.007381  [    1.174730] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window]

 2350 07:57:54.013924  [    1.175351] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window]

 2351 07:57:54.024200  [    1.175955] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window]

 2352 07:57:54.030360  [    1.176570] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window]

 2353 07:57:54.037183  [    1.177188] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window]

 2354 07:57:54.047132  [    1.177791] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window]

 2355 07:57:54.053547  [    1.178421] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window]

 2356 07:57:54.063184  [    1.179024] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window]

 2357 07:57:54.069936  [    1.179642] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff]

 2358 07:57:54.079396  [    1.180782] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]

 2359 07:57:54.083003  [    1.184036] PCI: CLS 64 bytes, default 64

 2360 07:57:54.086419  [    1.184909] Unpacking initramfs...

 2361 07:57:54.092738  [    1.652294] Freeing initrd memory: 10392K

 2362 07:57:54.096058  [    1.652736] DMAR: Host address width 39

 2363 07:57:54.102641  [    1.653136] DMAR: DRHD base: 0x000000fed90000 flags: 0x0

 2364 07:57:54.113091  [    1.653676] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e

 2365 07:57:54.119516  [    1.654421] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff

 2366 07:57:54.122167  [    1.654970] DMAR: DRHD base: 0x000000fed91000 flags: 0x1

 2367 07:57:54.132135  [    1.655476] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da

 2368 07:57:54.138847  [    1.656286] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)

 2369 07:57:54.148832  [    1.656849] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB)

 2370 07:57:54.159073  [    1.657798] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer

 2371 07:57:54.164963  [    1.658521] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules

 2372 07:57:54.172430  [    1.659024] RAPL PMU: hw unit of domain package 2^-14 Joules

 2373 07:57:54.178530  [    1.659616] RAPL PMU: hw unit of domain dram 2^-14 Joules

 2374 07:57:54.181833  [    1.660105] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules

 2375 07:57:54.187883  [    1.660599] RAPL PMU: hw unit of domain psys 2^-14 Joules

 2376 07:57:54.194727  [    1.663301] kvm: already loaded the other module

 2377 07:57:54.201534  [    1.681596] check: Scanning for low memory corruption every 60 seconds

 2378 07:57:54.207944  [    1.686286] Initialise system trusted keyrings

 2379 07:57:54.214422  [    1.686991] workingset: timestamp_bits=56 max_order=20 bucket_order=0

 2380 07:57:54.221218  [    1.714022] NFS: Registering the id_resolver key type

 2381 07:57:54.224464  [    1.714540] Key type id_resolver registered

 2382 07:57:54.227898  [    1.714940] Key type id_legacy registered

 2383 07:57:54.234789  [    1.736122] Key type asymmetric registered

 2384 07:57:54.237687  [    1.736519] Asymmetric key parser 'x509' registered

 2385 07:57:54.247201  [    1.737005] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)

 2386 07:57:54.250786  [    1.737689] io scheduler mq-deadline registered

 2387 07:57:54.257689  [    1.738107] io scheduler kyber registered

 2388 07:57:54.260643  [    1.738757] test_firmware: interface ready

 2389 07:57:54.267328  [    1.741102] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120

 2390 07:57:54.273758  [    1.743243] ACPI: AC Adapter [AC] (on-line)

 2391 07:57:54.283702  [    1.744127] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0

 2392 07:57:54.290506  [    1.745964] ACPI: Lid Switch [LID0]

 2393 07:57:54.297361  [    1.746640] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1

 2394 07:57:54.300129  [    1.747606] ACPI: Power Button [PWRF]

 2395 07:57:54.306665  [    1.748468] ACPI: \_PR_.CP00: Found 3 idle states

 2396 07:57:54.313723  [    1.749817] ACPI: \_PR_.CP01: Found 3 idle states

 2397 07:57:54.316867  [    1.750994] ACPI: \_PR_.CP02: Found 3 idle states

 2398 07:57:54.323514  [    1.752220] ACPI: \_PR_.CP03: Found 3 idle states

 2399 07:57:54.329716  [    1.754064] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled

 2400 07:57:54.336753  [    1.758733] hpet_acpi_add: no address or irqs in _CRS

 2401 07:57:54.339986  [    1.759588] Non-volatile memory driver v1.3

 2402 07:57:54.342821  [    1.760284] Linux agpgart interface v0.103

 2403 07:57:54.349356  [    1.760830] battery: ACPI: Battery Slot [BAT0] (battery present)

 2404 07:57:54.356281  [    1.764347] i915 0000:00:02.0: vgaarb: deactivate vga console

 2405 07:57:54.369432  [    1.817404] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem

 2406 07:57:54.379365  [    1.819226] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4)

 2407 07:57:54.385568  [    1.858028] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0

 2408 07:57:54.392284  [    1.862904] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1

 2409 07:57:54.395790  [    1.887538] loop: module loaded

 2410 07:57:54.405421  [    1.888990] lkdtm: No crash points registered, enable through debugfs

 2411 07:57:54.409032  [    1.920205] printk: console [ttyS0] disabled

 2412 07:57:54.419182  [    1.921685] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A

 2413 07:57:54.425261  [    2.688305] tsc: Refined TSC clocksource calibration: 1608.000 MHz

 2414 07:57:54.431556  [    2.691339] printk: console [ttyS0] enabled

 2415 07:57:54.441602  [    2.699810] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns

 2416 07:57:54.451772  [    2.725415] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A

 2417 07:57:54.526500  [    5.359068] clocksource: Switched to clocksource tsc

 2418 07:57:54.529955  [    5.359338] fbcon: i915drmfb (fb0) is primary device

 2419 07:57:54.537130  [    5.362728] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO

 2420 07:57:54.543752  [    5.373770] e100: Intel(R) PRO/100 Network Driver

 2421 07:57:54.557657  [    5.373775] e100: Copyright(c) 1999-2006 Intel Corporation

 2422 07:57:54.557982  [    5.373857] e1000: Intel(R) PRO/1000 Network Driver

 2423 07:57:54.561072  [    5.373859] e1000: Copyright (c) 1999-2006 Intel Corporation.

 2424 07:57:54.568831  [    5.373964] e1000e: Intel(R) PRO/1000 Network Driver

 2425 07:57:54.572302  [    5.373967] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

 2426 07:57:54.575725  [    5.374108] sky2: driver version 1.30

 2427 07:57:54.582892  [    5.374712] usbcore: registered new interface driver r8152

 2428 07:57:54.589885  [    5.375338] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2

 2429 07:57:54.600927  [    5.375459] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

 2430 07:57:54.604334  [    5.375524] ehci-pci: EHCI PCI platform driver

 2431 07:57:54.610669  [    5.375609] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

 2432 07:57:54.614042  [    5.375631] ohci-pci: OHCI PCI platform driver

 2433 07:57:54.623861  [    5.375747] uhci_hcd: USB Universal Host Controller Interface driver

 2434 07:57:54.627663  [    5.377837] xhci_hcd 0000:00:14.0: xHCI Host Controller

 2435 07:57:54.637074  [    5.379069] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1

 2436 07:57:54.647019  [    5.380690] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810

 2437 07:57:54.653994  [    5.380766] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported

 2438 07:57:54.660737  [    5.384470] xhci_hcd 0000:00:14.0: xHCI Host Controller

 2439 07:57:54.670492  [    5.385694] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2

 2440 07:57:54.676917  [    5.385713] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed

 2441 07:57:54.683529  [    5.386730] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10

 2442 07:57:54.693171  [    5.386759] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2443 07:57:54.700101  [    5.386766] usb usb1: Product: xHCI Host Controller

 2444 07:57:54.706829  [    5.386772] usb usb1: Manufacturer: Linux 5.10.173-cip27 xhci-hcd

 2445 07:57:54.709927  [    5.386778] usb usb1: SerialNumber: 0000:00:14.0

 2446 07:57:54.713495  [    5.390070] hub 1-0:1.0: USB hub found

 2447 07:57:54.719992  [    5.390408] hub 1-0:1.0: 12 ports detected

 2448 07:57:54.726682  [    5.398593] Console: switching to colour frame buffer device 240x67

 2449 07:57:54.736229  [    5.398708] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10

 2450 07:57:54.743207  [    5.398716] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2451 07:57:54.750218  [    5.398746] usb usb2: Product: xHCI Host Controller

 2452 07:57:54.756554  [    5.398753] usb usb2: Manufacturer: Linux 5.10.173-cip27 xhci-hcd

 2453 07:57:54.762960  [    5.398784] usb usb2: SerialNumber: 0000:00:14.0

 2454 07:57:54.769960  [    5.399860] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0)

 2455 07:57:54.773229  [    5.400672] hub 2-0:1.0: USB hub found

 2456 07:57:54.776327  [    5.400744] hub 2-0:1.0: 6 ports detected

 2457 07:57:54.784470  [    5.403986] usbcore: registered new interface driver usblp

 2458 07:57:54.790786  [    5.404131] usbcore: registered new interface driver usb-storage

 2459 07:57:54.801184  [    5.404829] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers

 2460 07:57:54.807387  [    5.405037] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1

 2461 07:57:54.820749  [    5.405042] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp

 2462 07:57:54.823806  [    5.405854] i8042: Warning: Keylock active

 2463 07:57:54.830362  [    5.406177] serio: i8042 KBD port at 0x60,0x64 irq 1

 2464 07:57:54.833846  [    5.409045] rtc_cmos 00:02: RTC can wake from S4

 2465 07:57:54.844182  [    5.412198] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2

 2466 07:57:54.850645  [    5.414064] rtc_cmos 00:02: registered as rtc0

 2467 07:57:54.857028  [    5.414480] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram

 2468 07:57:54.863779  [    5.416068] i801_smbus 0000:00:1f.4: SPD Write Disable is set

 2469 07:57:54.870116  [    5.416160] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt

 2470 07:57:54.877120  [    5.420164] i2c i2c-9: 2/2 memory slots populated (from DMI)

 2471 07:57:54.886781  [    5.422900] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com

 2472 07:57:54.893614  [    5.422978] intel_pstate: Intel P-state driver initializing

 2473 07:57:54.897061  [    5.424756] intel_pstate: HWP enabled

 2474 07:57:54.903178  [    5.424806] sdhci: Secure Digital Host Controller Interface driver

 2475 07:57:54.906482  [    5.424808] sdhci: Copyright(c) Pierre Ossman

 2476 07:57:54.916885  [    5.424855] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21)

 2477 07:57:54.923058  [    5.426733] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit

 2478 07:57:54.930012  [    5.432226] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device

 2479 07:57:54.939268  [    5.437937] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2480 07:57:54.952557  [    5.514710] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7

 2481 07:57:54.959704  [    5.519569] hid: raw HID events driver (C) Jiri Kosina

 2482 07:57:54.962524  [    5.641934] mmc0: new HS400 MMC card at address 0001

 2483 07:57:54.969090  [    5.643760] usbcore: registered new interface driver usbhid

 2484 07:57:54.976045  [    5.644143] usb 1-3: new full-speed USB device number 2 using xhci_hcd

 2485 07:57:54.982426  [    5.652110] mmcblk0: mmc0:0001 DA4064 58.2 GiB 

 2486 07:57:54.986325  [    5.656801] usbhid: USB HID core driver

 2487 07:57:54.992519  [    5.663802] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB

 2488 07:57:55.005636  [    5.669331] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3

 2489 07:57:55.012220  [    5.676719] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB

 2490 07:57:55.018675  [    5.685650] cros_ec_lpcs GOOG0004:00: Chrome EC device registered

 2491 07:57:55.028507  [    5.691672] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0)

 2492 07:57:55.038713  [    5.699612] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100

 2493 07:57:55.045474  [    5.723812]  mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12

 2494 07:57:55.052006  [    5.728164] ipip: IPv4 and MPLS over IPv4 tunneling driver

 2495 07:57:55.058510  [    5.778327] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03

 2496 07:57:55.064814  [    5.784031] IPv4 over IPsec tunneling driver

 2497 07:57:55.071670  [    5.793152] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0

 2498 07:57:55.081444  [    5.900814] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2499 07:57:55.085130  [    5.914309] Initializing XFRM netlink socket

 2500 07:57:55.094691  [    5.993570] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00

 2501 07:57:55.101674  [    5.993907] NET: Registered protocol family 10

 2502 07:57:55.108230  [    6.002737] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6

 2503 07:57:55.111241  [    6.008660] Segment Routing with IPv6

 2504 07:57:55.118236  [    6.015690] usb 2-3: Product: USB 10/100/1000 LAN

 2505 07:57:55.121715  [    6.020624] NET: Registered protocol family 17

 2506 07:57:55.127947  [    6.025119] usb 2-3: Manufacturer: Realtek

 2507 07:57:55.130891  [    6.030295] Key type dns_resolver registered

 2508 07:57:55.137666  [    6.034702] usb 2-3: SerialNumber: 001000001

 2509 07:57:55.144590  [    6.045306] microcode: sig=0x806e9, pf=0x10, revision=0x98

 2510 07:57:55.154075  [    6.048540] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops)

 2511 07:57:55.157312  [    6.051487] microcode: Microcode Update Driver: v2.2.

 2512 07:57:55.164122  [    6.061126] IPI shorthand broadcast: enabled

 2513 07:57:55.174202  [    6.071639] sched_clock: Marking stable (5984792195, 86782272)->(6167257009, -95682542)

 2514 07:57:55.180718  [    6.075687] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up

 2515 07:57:55.184036  [    6.088174] registered taskstats version 1

 2516 07:57:55.191025  [    6.092786] Loading compiled-in X.509 certificates

 2517 07:57:55.197764  [    6.098201] usb 1-9: new high-speed USB device number 3 using xhci_hcd

 2518 07:57:55.207157  [    6.104219] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2519 07:57:55.217366  [    6.115431] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2520 07:57:55.220557  [    6.124884] PM:   Magic number: 15:66:976

 2521 07:57:55.226834  [    6.129570] printk: console [netcon0] enabled

 2522 07:57:55.233258  [    6.134446] netconsole: network logging started

 2523 07:57:55.366489  [    6.265303] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07

 2524 07:57:55.376059  [    6.274514] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2

 2525 07:57:55.379839  [    6.282524] usb 1-9: Product: USB2.0 HD UVC WebCam

 2526 07:57:55.386361  [    6.287910] usb 1-9: Manufacturer: Azurewave

 2527 07:57:55.389064  [    6.292711] usb 1-9: SerialNumber: 0x0001

 2528 07:57:55.405994  [    6.305467] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2529 07:57:55.448586  [    6.347704] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2530 07:57:55.501408  [    6.400725] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully

 2531 07:57:55.539967  [    6.442561] r8152 2-3:1.0 eth0: v1.11.11

 2532 07:57:55.549884  [    6.448056] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2533 07:57:57.156436  [    8.058578] r8152 2-3:1.0 eth0: carrier on

 2534 07:57:57.162425  [    8.059179] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

 2535 07:57:59.783175  [    8.070331] Sending DHCP requests .., OK

 2536 07:57:59.793085  [   10.689892] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.18

 2537 07:57:59.796669  [   10.698878] IP-Config: Complete:

 2538 07:57:59.806237  [   10.702517]      device=eth0, hwaddr=00:e0:4c:68:0a:98, ipaddr=192.168.201.18, mask=255.255.255.0, gw=192.168.201.1

 2539 07:57:59.816534  [   10.714249]      host=asus-C433TA-AJ0005-rammus-cbg-2, domain=lava-rack, nis-domain=(none)

 2540 07:57:59.825890  [   10.723505]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

 2541 07:57:59.829541  [   10.723509]      nameserver0=192.168.201.1

 2542 07:57:59.839420  [   10.736352] cfg80211: Loading compiled-in X.509 certificates for regulatory database

 2543 07:57:59.849232  [   10.748068] modprobe (98) used greatest stack depth: 14200 bytes left

 2544 07:57:59.856296  [   10.751443] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'

 2545 07:57:59.862424  [   10.755312] modprobe (99) used greatest stack depth: 14008 bytes left

 2546 07:57:59.865876  [   10.762738] ALSA device list:

 2547 07:57:59.876453  [   10.773350] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2

 2548 07:57:59.878983  [   10.774100]   No soundcards found.

 2549 07:57:59.885286  [   10.783087] cfg80211: failed to load regulatory.db

 2550 07:57:59.892300  [   10.792616] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console

 2551 07:57:59.900849  [   10.802915] Freeing unused kernel image (initmem) memory: 2040K

 2552 07:57:59.915063  [   10.817381] Write protecting the kernel read-only data: 28672k

 2553 07:57:59.926670  [   10.825086] Freeing unused kernel image (text/rodata gap) memory: 2028K

 2554 07:57:59.932851  [   10.832702] Freeing unused kernel image (rodata/data gap) memory: 56K

 2555 07:57:59.935916  [   10.839951] Run /init as init process

 2556 07:57:59.943902  Loading, please wait...

 2557 07:57:59.956375  Starting version 247.3-7+deb11u1

 2558 07:57:59.966006  [   10.862636] systemd-udevd (120) used greatest stack depth: 13792 bytes left

 2559 07:58:00.025270  [   10.924230] udevadm (122) used greatest stack depth: 13568 bytes left

 2560 07:58:00.174199  [   11.076466] chromeos ramoops using acpi device.

 2561 07:58:00.184299  [   11.078227] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2562 07:58:00.195354  [   11.094156] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2563 07:58:00.206501  [   11.105422] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2564 07:58:00.216531  [   11.115212] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer.

 2565 07:58:00.226134  [   11.124541] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2566 07:58:00.256348  [   11.155541] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2567 07:58:00.271280  [   11.173219] Registered efivars operations

 2568 07:58:00.274170  [   11.177734] gsmi version 1.0 loaded

 2569 07:58:00.284674  [   11.181779] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2570 07:58:00.425345  [   11.317695] 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

 2571 07:58:00.440987  [   11.336604] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00

 2572 07:58:00.450921  [   11.349462] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2573 07:58:00.463817  [   11.361785] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2574 07:58:00.475481  [   11.373216] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2575 07:58:00.486118  [   11.383602] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2576 07:58:00.492827  [   11.383698] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4)

 2577 07:58:00.499924  [   11.400023] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2578 07:58:00.514017  [   11.405198] 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

 2579 07:58:00.520595  [   11.411241] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2580 07:58:00.527118  [   11.428635] usbcore: registered new interface driver uvcvideo

 2581 07:58:00.536880  [   11.429988] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2582 07:58:00.540657  [   11.435098] USB Video Class driver (1.1.1)

 2583 07:58:00.554018  [   11.452894] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2584 07:58:00.564172  [   11.462839] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2585 07:58:00.573822  [   11.472954] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2586 07:58:00.586202  [   11.485050] udevadm (149) used greatest stack depth: 13408 bytes left

 2587 07:58:00.589780  Begin: Loading essential drivers ... done.

 2588 07:58:00.592998  Begin: Running /scripts/init-premount ... done.

 2589 07:58:00.602642  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

 2590 07:58:00.612494  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

 2591 07:58:00.615969  Device /sys/class/net/eth0 found

 2592 07:58:00.616524  done.

 2593 07:58:00.622215  IP-Config: eth0 hardware address 00:e0:4c:68:0a:98 mtu 1500 DHCP

 2594 07:58:00.629044  IP-Config: eth0 complete (dhcp from 192.168.201.1):

 2595 07:58:00.635496   address: 192.168.201.18   broadcast: 192.168.201.255  netmask: 255.255.255.0   

 2596 07:58:00.642426   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         

 2597 07:58:00.651836   host   : asus-C433TA-AJ0005-rammus-cbg-2                                 

 2598 07:58:00.658773   domain : lava-rack                                                       

 2599 07:58:00.661946   rootserver: 192.168.201.1 rootpath: 

 2600 07:58:00.665046   filename  : 

 2601 07:58:00.756930  [   11.655754] nfsmount (170) used greatest stack depth: 12688 bytes left

 2602 07:58:00.757055  done.

 2603 07:58:00.767954  Begin: Running /scripts/nfs-bottom ... done.

 2604 07:58:00.800660  Begin: Running /scripts/init-bottom ... done.

 2605 07:58:01.842096  SELinux:  Could not open policy file <= /etc/selinux/targeted/policy/policy.33:  No such file or directory

 2606 07:58:02.003464  [   12.886416] systemd[1]: systemd 247.3-7+deb11u1 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)

 2607 07:58:02.021788  [   12.924411] systemd[1]: Detected architecture x86-64.

 2608 07:58:02.039526  

 2609 07:58:02.042455  Welcome to Debian GNU/Linux 11 (bullseye)!

 2610 07:58:02.042569  

 2611 07:58:02.053054  [   12.952550] systemd[1]: Set hostname to <debian-bullseye-amd64>.

 2612 07:58:02.500263  [   13.399790] systemd[1]: Queued start job for default target Graphical Interface.

 2613 07:58:02.508378  [   13.411058] systemd[1]: Created slice system-getty.slice.

 2614 07:58:02.514815  [  OK  ] Created slice system-getty.slice.

 2615 07:58:02.524426  [   13.426765] systemd[1]: Created slice system-modprobe.slice.

 2616 07:58:02.533806  [  OK  ] Created slice system-modprobe.slice.

 2617 07:58:02.543506  [   13.442854] systemd[1]: Created slice system-serial\x2dgetty.slice.

 2618 07:58:02.550412  [  OK  ] Created slice system-serial\x2dgetty.slice.

 2619 07:58:02.557088  [   13.459721] systemd[1]: Created slice User and Session Slice.

 2620 07:58:02.566646  [  OK  ] Created slice User and Session Slice.

 2621 07:58:02.576781  [   13.475654] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

 2622 07:58:02.586485  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

 2623 07:58:02.596876  [   13.494629] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

 2624 07:58:02.606020  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

 2625 07:58:02.620917  [   13.516659] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.

 2626 07:58:02.630386  [  OK  ] Set up automount Arbitrary…s File System Automount Point.

 2627 07:58:02.637258  [   13.539509] systemd[1]: Reached target Local Encrypted Volumes.

 2628 07:58:02.647333  [  OK  ] Reached target Local Encrypted Volumes.

 2629 07:58:02.653660  [   13.555431] systemd[1]: Reached target Paths.

 2630 07:58:02.656870  [  OK  ] Reached target Paths.

 2631 07:58:02.663878  [   13.566370] systemd[1]: Reached target Remote File Systems.

 2632 07:58:02.673501  [  OK  ] Reached target Remote File Systems.

 2633 07:58:02.680081  [   13.582449] systemd[1]: Reached target Slices.

 2634 07:58:02.686838  [  OK  ] Reached target Slices.

 2635 07:58:02.689715  [   13.593384] systemd[1]: Reached target Swap.

 2636 07:58:02.696153  [  OK  ] Reached target Swap.

 2637 07:58:02.703253  [   13.604837] systemd[1]: Listening on initctl Compatibility Named Pipe.

 2638 07:58:02.713063  [  OK  ] Listening on initctl Compatibility Named Pipe.

 2639 07:58:02.720038  [   13.622683] systemd[1]: Listening on Journal Audit Socket.

 2640 07:58:02.729669  [  OK  ] Listening on Journal Audit Socket.

 2641 07:58:02.737118  [   13.639519] systemd[1]: Listening on Journal Socket (/dev/log).

 2642 07:58:02.746964  [  OK  ] Listening on Journal Socket (/dev/log).

 2643 07:58:02.753746  [   13.656056] systemd[1]: Listening on Journal Socket.

 2644 07:58:02.760111  [  OK  ] Listening on Journal Socket.

 2645 07:58:02.772365  [   13.671590] systemd[1]: Listening on Network Service Netlink Socket.

 2646 07:58:02.779140  [  OK  ] Listening on Network Service Netlink Socket.

 2647 07:58:02.787580  [   13.690522] systemd[1]: Listening on udev Control Socket.

 2648 07:58:02.794714  [  OK  ] Listening on udev Control Socket.

 2649 07:58:02.804157  [   13.706930] systemd[1]: Listening on udev Kernel Socket.

 2650 07:58:02.810886  [  OK  ] Listening on udev Kernel Socket.

 2651 07:58:02.822653  [   13.725257] systemd[1]: Mounting Huge Pages File System...

 2652 07:58:02.829019           Mounting Huge Pages File System...

 2653 07:58:02.843444  [   13.742845] systemd[1]: Mounting POSIX Message Queue File System...

 2654 07:58:02.849687           Mounting POSIX Message Queue File System...

 2655 07:58:02.858729  [   13.761502] systemd[1]: Mounting Kernel Debug File System...

 2656 07:58:02.865656           Mounting Kernel Debug File System...

 2657 07:58:02.875698  [   13.778387] systemd[1]: Mounting Kernel Trace File System...

 2658 07:58:02.882463           Mounting Kernel Trace File System...

 2659 07:58:02.902220  [   13.801702] systemd[1]: Starting Create list of static device nodes for the current kernel...

 2660 07:58:02.912525           Starting Create list of st…odes for the current kernel...

 2661 07:58:02.920948  [   13.823406] systemd[1]: Starting Load Kernel Module configfs...

 2662 07:58:02.927265           Starting Load Kernel Module configfs...

 2663 07:58:02.937398  [   13.840126] systemd[1]: Starting Load Kernel Module drm...

 2664 07:58:02.944278           Starting Load Kernel Module drm...

 2665 07:58:02.953307  [   13.856151] systemd[1]: Starting Load Kernel Module fuse...

 2666 07:58:02.959991           Starting Load Kernel Module fuse...

 2667 07:58:02.997455  [   13.893866] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

 2668 07:58:03.000973  [   13.904321] fuse: init (API version 7.32)

 2669 07:58:03.007747  [   13.910571] systemd[1]: Starting Journal Service...

 2670 07:58:03.014746           Starting Journal Service...

 2671 07:58:03.024604  [   13.927419] systemd[1]: Starting Load Kernel Modules...

 2672 07:58:03.031011           Starting Load Kernel Modules...

 2673 07:58:03.041603  [   13.940772] systemd[1]: Starting Remount Root and Kernel File Systems...

 2674 07:58:03.048154           Starting Remount Root and Kernel File Systems...

 2675 07:58:03.057100  [   13.959697] systemd[1]: Starting Coldplug All udev Devices...

 2676 07:58:03.063621           Starting Coldplug All udev Devices...

 2677 07:58:03.076375  [   13.978618] systemd[1]: Mounted Huge Pages File System.

 2678 07:58:03.082485  [  OK  ] Mounted Huge Pages File System.

 2679 07:58:03.094726  [   13.993879] systemd[1]: Mounted POSIX Message Queue File System.

 2680 07:58:03.100823  [  OK  ] Mounted POSIX Message Queue File System.

 2681 07:58:03.107567  [   14.010385] systemd[1]: Mounted Kernel Debug File System.

 2682 07:58:03.114374  [  OK  ] Mounted Kernel Debug File System.

 2683 07:58:03.122606  [   14.025398] systemd[1]: Mounted Kernel Trace File System.

 2684 07:58:03.129345  [  OK  ] Mounted Kernel Trace File System.

 2685 07:58:03.142995  [   14.042340] systemd[1]: Finished Create list of static device nodes for the current kernel.

 2686 07:58:03.152626  [  OK  ] Finished Create list of st… nodes for the current kernel.

 2687 07:58:03.160027  [   14.062691] systemd[1]: modprobe@configfs.service: Succeeded.

 2688 07:58:03.167697  [   14.070568] systemd[1]: Finished Load Kernel Module configfs.

 2689 07:58:03.177925  [  OK  ] Finished Load Kernel Module configfs.

 2690 07:58:03.184846  [   14.087492] systemd[1]: modprobe@drm.service: Succeeded.

 2691 07:58:03.192045  [   14.094566] systemd[1]: Finished Load Kernel Module drm.

 2692 07:58:03.198774  [  OK  ] Finished Load Kernel Module drm.

 2693 07:58:03.206468  [   14.109475] systemd[1]: Started Journal Service.

 2694 07:58:03.213360  [  OK  ] Started Journal Service.

 2695 07:58:03.225411  [  OK  ] Finished Load Kernel Module fuse.

 2696 07:58:03.232368  [  OK  ] Finished Load Kernel Modules.

 2697 07:58:03.244347  [  OK  ] Finished Remount Root and Kernel File Systems.

 2698 07:58:03.253224           Mounting FUSE Control File System...

 2699 07:58:03.266088           Mounting Kernel Configuration File System...

 2700 07:58:03.279442           Starting Flush Journal to Persistent Storage...

 2701 07:58:03.287150           Starting Load/Save Random Seed...

 2702 07:58:03.299141           Starting Apply Kernel Variables...

 2703 07:58:03.310844  [   14.210085] systemd-journald[207]: Received client request to flush runtime journal.

 2704 07:58:03.318749           Starting Create System Users...

 2705 07:58:03.331400  [  OK  ] Mounted FUSE Control File System.

 2706 07:58:03.344485  [  OK  ] Mounted Kernel Configuration File System.

 2707 07:58:03.352241  [  OK  ] Finished Load/Save Random Seed.

 2708 07:58:03.362208  [  OK  ] Finished Apply Kernel Variables.

 2709 07:58:03.556034  [  OK  ] Finished Coldplug All udev Devices.

 2710 07:58:04.737110  [  OK  ] Finished Create System Users.

 2711 07:58:04.752952           Starting Create Static Device Nodes in /dev...

 2712 07:58:04.764219  [  OK  ] Finished Flush Journal to Persistent Storage.

 2713 07:58:04.839326  [   15.738819] systemd-tmpfile (219) used greatest stack depth: 12528 bytes left

 2714 07:58:04.845760  [  OK  ] Finished Create Static Device Nodes in /dev.

 2715 07:58:04.858306  [  OK  ] Reached target Local File Systems (Pre).

 2716 07:58:04.869633  [  OK  ] Reached target Local File Systems.

 2717 07:58:04.882316           Starting Create Volatile Files and Directories...

 2718 07:58:04.901306           Starting Rule-based Manage…for Device Events and Files...

 2719 07:58:05.053322  [  OK  ] Started Rule-based Manager for Device Events and Files.

 2720 07:58:05.073989           Starting Network Service...

 2721 07:58:05.145811  [  OK  ] Finished Create Volatile Files and Directories.

 2722 07:58:05.163636           Starting Network Time Synchronization...

 2723 07:58:05.178252           Starting Update UTMP about System Boot/Shutdown...

 2724 07:58:05.445531  [  OK  ] Found device Sunrise Point-LP Serial IO UART Controller.

 2725 07:58:05.546826  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 2726 07:58:05.669669  [  OK  ] Created slice system-systemd\x2dbacklight.slice.

 2727 07:58:05.701096           Starting Load/Save Screen …f backlight:intel_backlight...

 2728 07:58:05.719182           Starting Load/Save Screen …eds:chromeos::kbd_backlight...

 2729 07:58:05.757505  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 2730 07:58:05.804076  [  OK  ] Finished Load/Save Screen … leds:chromeos::kbd_backlight.

 2731 07:58:05.843210  [  OK  ] Finished Load/Save Screen … of backlight:intel_backlight.

 2732 07:58:05.890561  [  OK  ] Started Network Service.

 2733 07:58:05.926486           Starting Network Name Resolution...

 2734 07:58:05.937085  [  OK  ] Started Network Time Synchronization.

 2735 07:58:05.947238  [  OK  ] Reached target System Initialization.

 2736 07:58:05.957254  [  OK  ] Started Daily Cleanup of Temporary Directories.

 2737 07:58:05.963611  [  OK  ] Reached target System Time Set.

 2738 07:58:05.975818  [  OK  ] Reached target System Time Synchronized.

 2739 07:58:05.989713  [  OK  ] Started Daily apt download activities.

 2740 07:58:06.000812  [  OK  ] Started Daily apt upgrade and clean activities.

 2741 07:58:06.011716  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 2742 07:58:06.025685  [  OK  ] Started Discard unused blocks once a week.

 2743 07:58:06.032749  [  OK  ] Reached target Timers.

 2744 07:58:06.044163  [  OK  ] Listening on D-Bus System Message Bus Socket.

 2745 07:58:06.050457  [  OK  ] Reached target Sockets.

 2746 07:58:06.057955  [  OK  ] Reached target Basic System.

 2747 07:58:06.072547  [  OK  ] Started D-Bus System Message Bus.

 2748 07:58:06.111576           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 2749 07:58:06.202463           Starting User Login Management...

 2750 07:58:06.768761  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 2751 07:58:06.823315  [  OK  ] Started User Login Management.

 2752 07:58:06.853670  [  OK  ] Started Network Name Resolution.

 2753 07:58:06.860493  [  OK  ] Reached target Network.

 2754 07:58:06.870341  [  OK  ] Reached target Host and Network Name Lookups.

 2755 07:58:06.877995           Starting Permit User Sessions...

 2756 07:58:06.897227  [  OK  ] Finished Permit User Sessions.

 2757 07:58:06.908301  [  OK  ] Started Getty on tty1.

 2758 07:58:06.920459  [  OK  ] Started Serial Getty on ttyS0.

 2759 07:58:06.930449  [  OK  ] Reached target Login Prompts.

 2760 07:58:06.938696  [  OK  ] Reached target Multi-User System.

 2761 07:58:06.951468  [  OK  ] Reached target Graphical Interface.

 2762 07:58:06.962038           Starting Update UTMP about System Runlevel Changes...

 2763 07:58:07.005292  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 2764 07:58:07.030085  

 2765 07:58:07.030191  

 2766 07:58:07.033713  Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0

 2767 07:58:07.033798  

 2768 07:58:07.040144  debian-bullseye-amd64 login: root (automatic login)

 2769 07:58:07.040230  

 2770 07:58:07.040320  

 2771 07:58:07.310993  Linux debian-bullseye-amd64 5.10.173-cip27 #1 SMP Sun Mar 12 07:45:06 UTC 2023 x86_64

 2772 07:58:07.311141  

 2773 07:58:07.317488  The programs included with the Debian GNU/Linux system are free software;

 2774 07:58:07.324258  the exact distribution terms for each program are described in the

 2775 07:58:07.330404  individual files in /usr/share/doc/*/copyright.

 2776 07:58:07.330496  

 2777 07:58:07.336902  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 2778 07:58:07.340771  permitted by applicable law.

 2779 07:58:07.862211  Matched prompt #10: / #
 2781 07:58:07.862668  Kernel warnings or errors detected.
 2782 07:58:07.862843  Setting prompt string to ['/ #']
 2783 07:58:07.863003  end: 2.2.5.1 login-action (duration 00:00:17) [common]
 2785 07:58:07.863401  end: 2.2.5 auto-login-action (duration 00:00:19) [common]
 2786 07:58:07.863533  start: 2.2.6 expect-shell-connection (timeout 00:04:11) [common]
 2787 07:58:07.863639  Setting prompt string to ['/ #']
 2788 07:58:07.863732  Forcing a shell prompt, looking for ['/ #']
 2790 07:58:07.914189  / # 

 2791 07:58:07.914330  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 2792 07:58:07.914424  Waiting using forced prompt support (timeout 00:02:30)
 2793 07:58:07.920555  

 2794 07:58:07.920859  end: 2.2.6 expect-shell-connection (duration 00:00:00) [common]
 2795 07:58:07.920973  start: 2.2.7 export-device-env (timeout 00:04:11) [common]
 2797 07:58:08.021702  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9568396/extract-nfsrootfs-vzqianvc'

 2798 07:58:08.026725  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9568396/extract-nfsrootfs-vzqianvc'

 2800 07:58:08.127619  / # export NFS_SERVER_IP='192.168.201.1'

 2801 07:58:08.132690  export NFS_SERVER_IP='192.168.201.1'

 2802 07:58:08.133009  end: 2.2.7 export-device-env (duration 00:00:00) [common]
 2803 07:58:08.133123  end: 2.2 depthcharge-retry (duration 00:00:49) [common]
 2804 07:58:08.133221  end: 2 depthcharge-action (duration 00:00:49) [common]
 2805 07:58:08.133317  start: 3 lava-test-retry (timeout 00:08:47) [common]
 2806 07:58:08.133410  start: 3.1 lava-test-shell (timeout 00:08:47) [common]
 2807 07:58:08.133487  Using namespace: common
 2809 07:58:08.234185  / # #

 2810 07:58:08.234347  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 2811 07:58:08.239663  #

 2812 07:58:08.240114  Using /lava-9568396
 2814 07:58:08.340890  / # export SHELL=/bin/bash

 2815 07:58:08.346613  export SHELL=/bin/bash

 2817 07:58:08.447546  / # . /lava-9568396/environment

 2818 07:58:08.452858  . /lava-9568396/environment

 2820 07:58:08.559526  / # /lava-9568396/bin/lava-test-runner /lava-9568396/0

 2821 07:58:08.559674  Test shell timeout: 10s (minimum of the action and connection timeout)
 2822 07:58:08.565139  /lava-9568396/bin/lava-test-runner /lava-9568396/0

 2823 07:58:08.804188  + export TESTRUN_ID=0_timesync-off

 2824 07:58:08.804350  + TESTRUN_ID=0_timesync-off

 2825 07:58:08.810646  + cd /lava-9568396/0/tests/0_timesync-off

 2826 07:58:08.810741  ++ cat uuid

 2827 07:58:08.814245  + UUID=9568396_1.5.2.3.1

 2828 07:58:08.814323  + set +x

 2829 07:58:08.821013  <LAVA_SIGNAL_STARTRUN 0_timesync-off 9568396_1.5.2.3.1>

 2830 07:58:08.821285  Received signal: <STARTRUN> 0_timesync-off 9568396_1.5.2.3.1
 2831 07:58:08.821368  Starting test lava.0_timesync-off (9568396_1.5.2.3.1)
 2832 07:58:08.821457  Skipping test definition patterns.
 2833 07:58:08.823996  + systemctl stop systemd-timesyncd

 2834 07:58:08.845403  + set +x

 2835 07:58:08.848477  <LAVA_SIGNAL_ENDRUN 0_timesync-off 9568396_1.5.2.3.1>

 2836 07:58:08.848749  Received signal: <ENDRUN> 0_timesync-off 9568396_1.5.2.3.1
 2837 07:58:08.848854  Ending use of test pattern.
 2838 07:58:08.848923  Ending test lava.0_timesync-off (9568396_1.5.2.3.1), duration 0.03
 2840 07:58:08.888428  + export TESTRUN_ID=1_kselftest-lkdtm

 2841 07:58:08.892114  + TESTRUN_ID=1_kselftest-lkdtm

 2842 07:58:08.895114  + cd /lava-9568396/0/tests/1_kselftest-lkdtm

 2843 07:58:08.895221  ++ cat uuid

 2844 07:58:08.898190  + UUID=9568396_1.5.2.3.5

 2845 07:58:08.898292  + set +x

 2846 07:58:08.904951  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 9568396_1.5.2.3.5>

 2847 07:58:08.905212  Received signal: <STARTRUN> 1_kselftest-lkdtm 9568396_1.5.2.3.5
 2848 07:58:08.905289  Starting test lava.1_kselftest-lkdtm (9568396_1.5.2.3.5)
 2849 07:58:08.905377  Skipping test definition patterns.
 2850 07:58:08.908663  + cd ./automated/linux/kselftest/

 2851 07:58:08.944929  + ./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/v5.10.168-cip27-638-g0d599cd2b6695/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1

 2852 07:58:08.957886  INFO: Generating a skipfile based on /lava-9568396/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml

 2853 07:58:09.013489  INFO: Using the following generated skipfile contents (until EOF):

 2854 07:58:09.016428  breakpoints:breakpoint_test

 2855 07:58:09.019625  breakpoints:step_after_suspend_test

 2856 07:58:09.023164  net:rtnetlink.sh

 2857 07:58:09.023248  net:tls

 2858 07:58:09.026192  netfilter:bridge_brouter.sh

 2859 07:58:09.029812  netfilter:nft_flowtable.sh

 2860 07:58:09.032690  netfilter:nft_trans_stress.sh

 2861 07:58:09.032775  pidfd:pidfd_wait

 2862 07:58:09.036293  INFO: EOF

 2863 07:58:09.039535  INFO: install_deps skipped

 2864 07:58:09.137321  --2023-03-12 07:58:08--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.168-cip27-638-g0d599cd2b6695/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz

 2865 07:58:09.143969  Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28

 2866 07:58:09.276212  Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected.

 2867 07:58:09.422080  HTTP request sent, awaiting response... 200 OK

 2868 07:58:09.425444  Length: 3379400 (3.2M) [application/octet-stream]

 2869 07:58:09.428786  Saving to: 'kselftest.tar.xz'

 2870 07:58:09.428898  

 2871 07:58:09.428971  

 2872 07:58:09.714398  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               

 2873 07:58:10.008348  kselftest.tar.xz      1%[                    ]  50.15K   168KB/s               

 2874 07:58:10.204736  kselftest.tar.xz      6%[>                   ] 219.84K   366KB/s               

 2875 07:58:10.507258  kselftest.tar.xz     26%[====>               ] 890.59K  1.09MB/s               

 2876 07:58:10.806166  kselftest.tar.xz     41%[=======>            ]   1.34M  1.20MB/s               

 2877 07:58:10.956343  kselftest.tar.xz     94%[=================>  ]   3.06M  2.16MB/s               

 2878 07:58:10.962611  kselftest.tar.xz    100%[===================>]   3.22M  2.05MB/s    in 1.6s    

 2879 07:58:10.962724  

 2880 07:58:11.256772  2023-03-12 07:58:11 (2.05 MB/s) - 'kselftest.tar.xz' saved [3379400/3379400]

 2881 07:58:11.256924  

 2882 07:58:19.098970  skiplist:

 2883 07:58:19.102130  ========================================

 2884 07:58:19.105152  breakpoints:breakpoint_test

 2885 07:58:19.460063  breakpoints:step_after_suspend_test

 2886 07:58:19.486784  net:rtnetlink.sh

 2887 07:58:19.500276  net:tls

 2888 07:58:19.512170  netfilter:bridge_brouter.sh

 2889 07:58:19.524070  netfilter:nft_flowtable.sh

 2890 07:58:19.535809  netfilter:nft_trans_stress.sh

 2891 07:58:19.546978  pidfd:pidfd_wait

 2892 07:58:19.561531  ========================================

 2893 07:58:19.596136  lkdtm:PANIC.sh

 2894 07:58:19.596258  lkdtm:BUG.sh

 2895 07:58:19.598974  lkdtm:WARNING.sh

 2896 07:58:19.602973  lkdtm:WARNING_MESSAGE.sh

 2897 07:58:19.603050  lkdtm:EXCEPTION.sh

 2898 07:58:19.605860  lkdtm:LOOP.sh

 2899 07:58:19.605936  lkdtm:EXHAUST_STACK.sh

 2900 07:58:19.608884  lkdtm:CORRUPT_STACK.sh

 2901 07:58:19.612749  lkdtm:CORRUPT_STACK_STRONG.sh

 2902 07:58:19.615571  lkdtm:CORRUPT_LIST_ADD.sh

 2903 07:58:19.619036  lkdtm:CORRUPT_LIST_DEL.sh

 2904 07:58:19.622115  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2905 07:58:19.625478  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2906 07:58:19.625554  lkdtm:UNSET_SMEP.sh

 2907 07:58:19.628908  lkdtm:DOUBLE_FAULT.sh

 2908 07:58:19.631933  lkdtm:CORRUPT_PAC.sh

 2909 07:58:19.636182  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2910 07:58:19.638931  lkdtm:OVERWRITE_ALLOCATION.sh

 2911 07:58:19.639004  lkdtm:WRITE_AFTER_FREE.sh

 2912 07:58:19.642281  lkdtm:READ_AFTER_FREE.sh

 2913 07:58:19.645728  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2914 07:58:19.648878  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2915 07:58:19.652203  lkdtm:SLAB_FREE_DOUBLE.sh

 2916 07:58:19.654998  lkdtm:SLAB_FREE_CROSS.sh

 2917 07:58:19.655075  lkdtm:SLAB_FREE_PAGE.sh

 2918 07:58:19.658241  lkdtm:SOFTLOCKUP.sh

 2919 07:58:19.661845  lkdtm:HARDLOCKUP.sh

 2920 07:58:19.661921  lkdtm:SPINLOCKUP.sh

 2921 07:58:19.664797  lkdtm:HUNG_TASK.sh

 2922 07:58:19.664876  lkdtm:EXEC_DATA.sh

 2923 07:58:19.668262  lkdtm:EXEC_STACK.sh

 2924 07:58:19.671704  lkdtm:EXEC_KMALLOC.sh

 2925 07:58:19.671801  lkdtm:EXEC_VMALLOC.sh

 2926 07:58:19.675297  lkdtm:EXEC_RODATA.sh

 2927 07:58:19.678676  lkdtm:EXEC_USERSPACE.sh

 2928 07:58:19.678752  lkdtm:EXEC_NULL.sh

 2929 07:58:19.681462  lkdtm:ACCESS_USERSPACE.sh

 2930 07:58:19.684867  lkdtm:ACCESS_NULL.sh

 2931 07:58:19.684948  lkdtm:WRITE_RO.sh

 2932 07:58:19.688113  lkdtm:WRITE_RO_AFTER_INIT.sh

 2933 07:58:19.691567  lkdtm:WRITE_KERN.sh

 2934 07:58:19.694453  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 2935 07:58:19.698055  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 2936 07:58:19.701255  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 2937 07:58:19.704764  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 2938 07:58:19.707860  lkdtm:REFCOUNT_DEC_ZERO.sh

 2939 07:58:19.711282  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 2940 07:58:19.714365  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 2941 07:58:19.718042  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 2942 07:58:19.721222  lkdtm:REFCOUNT_INC_ZERO.sh

 2943 07:58:19.724207  lkdtm:REFCOUNT_ADD_ZERO.sh

 2944 07:58:19.727542  lkdtm:REFCOUNT_INC_SATURATED.sh

 2945 07:58:19.731014  lkdtm:REFCOUNT_DEC_SATURATED.sh

 2946 07:58:19.734088  lkdtm:REFCOUNT_ADD_SATURATED.sh

 2947 07:58:19.737273  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 2948 07:58:19.740795  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 2949 07:58:19.748000  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 2950 07:58:19.750482  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 2951 07:58:19.754117  lkdtm:REFCOUNT_TIMING.sh

 2952 07:58:19.754195  lkdtm:ATOMIC_TIMING.sh

 2953 07:58:19.757530  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 2954 07:58:19.761156  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 2955 07:58:19.763682  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 2956 07:58:19.770705  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 2957 07:58:19.774356  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 2958 07:58:19.777065  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 2959 07:58:19.780773  lkdtm:USERCOPY_STACK_BEYOND.sh

 2960 07:58:19.780848  lkdtm:USERCOPY_KERNEL.sh

 2961 07:58:19.783934  lkdtm:STACKLEAK_ERASING.sh

 2962 07:58:19.787284  lkdtm:CFI_FORWARD_PROTO.sh

 2963 07:58:19.790438  ============== Tests to run ===============

 2964 07:58:19.793774  lkdtm:PANIC.sh

 2965 07:58:19.793856  lkdtm:BUG.sh

 2966 07:58:19.797265  lkdtm:WARNING.sh

 2967 07:58:19.799968  lkdtm:WARNING_MESSAGE.sh

 2968 07:58:19.800043  lkdtm:EXCEPTION.sh

 2969 07:58:19.803209  lkdtm:LOOP.sh

 2970 07:58:19.803283  lkdtm:EXHAUST_STACK.sh

 2971 07:58:19.806710  lkdtm:CORRUPT_STACK.sh

 2972 07:58:19.810107  lkdtm:CORRUPT_STACK_STRONG.sh

 2973 07:58:19.813310  lkdtm:CORRUPT_LIST_ADD.sh

 2974 07:58:19.813387  lkdtm:CORRUPT_LIST_DEL.sh

 2975 07:58:19.819931  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2976 07:58:19.823564  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2977 07:58:19.823642  lkdtm:UNSET_SMEP.sh

 2978 07:58:19.826885  lkdtm:DOUBLE_FAULT.sh

 2979 07:58:19.829856  lkdtm:CORRUPT_PAC.sh

 2980 07:58:19.833421  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2981 07:58:19.836285  lkdtm:OVERWRITE_ALLOCATION.sh

 2982 07:58:19.836365  lkdtm:WRITE_AFTER_FREE.sh

 2983 07:58:19.840502  lkdtm:READ_AFTER_FREE.sh

 2984 07:58:19.843078  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2985 07:58:19.846745  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2986 07:58:19.849620  lkdtm:SLAB_FREE_DOUBLE.sh

 2987 07:58:19.852944  lkdtm:SLAB_FREE_CROSS.sh

 2988 07:58:19.853036  lkdtm:SLAB_FREE_PAGE.sh

 2989 07:58:19.856173  lkdtm:SOFTLOCKUP.sh

 2990 07:58:19.859683  lkdtm:HARDLOCKUP.sh

 2991 07:58:19.859758  lkdtm:SPINLOCKUP.sh

 2992 07:58:19.862994  lkdtm:HUNG_TASK.sh

 2993 07:58:19.863078  lkdtm:EXEC_DATA.sh

 2994 07:58:19.865893  lkdtm:EXEC_STACK.sh

 2995 07:58:19.869259  lkdtm:EXEC_KMALLOC.sh

 2996 07:58:19.869338  lkdtm:EXEC_VMALLOC.sh

 2997 07:58:19.873083  lkdtm:EXEC_RODATA.sh

 2998 07:58:19.876082  lkdtm:EXEC_USERSPACE.sh

 2999 07:58:19.876160  lkdtm:EXEC_NULL.sh

 3000 07:58:19.879775  lkdtm:ACCESS_USERSPACE.sh

 3001 07:58:19.882564  lkdtm:ACCESS_NULL.sh

 3002 07:58:19.882637  lkdtm:WRITE_RO.sh

 3003 07:58:19.885815  lkdtm:WRITE_RO_AFTER_INIT.sh

 3004 07:58:19.889456  lkdtm:WRITE_KERN.sh

 3005 07:58:19.892565  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 3006 07:58:19.896108  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 3007 07:58:19.899445  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3008 07:58:19.902562  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3009 07:58:19.905664  lkdtm:REFCOUNT_DEC_ZERO.sh

 3010 07:58:19.909196  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 3011 07:58:19.912057  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3012 07:58:19.915949  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 3013 07:58:19.918893  lkdtm:REFCOUNT_INC_ZERO.sh

 3014 07:58:19.922388  lkdtm:REFCOUNT_ADD_ZERO.sh

 3015 07:58:19.925315  lkdtm:REFCOUNT_INC_SATURATED.sh

 3016 07:58:19.928632  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3017 07:58:19.931847  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3018 07:58:19.935115  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3019 07:58:19.938771  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3020 07:58:19.945319  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3021 07:58:19.948321  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3022 07:58:19.952195  lkdtm:REFCOUNT_TIMING.sh

 3023 07:58:19.952312  lkdtm:ATOMIC_TIMING.sh

 3024 07:58:19.955362  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3025 07:58:19.958166  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3026 07:58:19.961515  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3027 07:58:19.964937  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3028 07:58:19.968448  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3029 07:58:19.974599  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3030 07:58:19.974702  lkdtm:USERCOPY_STACK_BEYOND.sh

 3031 07:58:19.978138  lkdtm:USERCOPY_KERNEL.sh

 3032 07:58:19.981600  lkdtm:STACKLEAK_ERASING.sh

 3033 07:58:19.984879  lkdtm:CFI_FORWARD_PROTO.sh

 3034 07:58:19.991457  ===========End [   30.892489] kselftest: Running tests in lkdtm

 3035 07:58:19.994757  Tests to run ===============

 3036 07:58:19.998303  TAP version 13

 3037 07:58:20.006680  1..70

 3038 07:58:20.011717  # selftests: lkdtm: PANIC.sh

 3039 07:58:20.083033  # Skipping PANIC: crashes entire system

 3040 07:58:20.085870  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 3041 07:58:20.089401  # selftests: lkdtm: BUG.sh

 3042 07:58:20.157465  [   31.059979] lkdtm: Performing direct entry BUG

 3043 07:58:20.164012  [   31.065037] ------------[ cut here ]------------

 3044 07:58:20.166949  [   31.070217] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3045 07:58:20.174144  [   31.076073] invalid opcode: 0000 [#1] SMP PTI

 3046 07:58:20.180144  [   31.080946] CPU: 2 PID: 649 Comm: cat Tainted: G        W         5.10.173-cip27 #1

 3047 07:58:20.186743  [   31.089497] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3048 07:58:20.193856  [   31.096304] RIP: 0010:lkdtm_BUG+0x5/0x10

 3049 07:58:20.213505  [   31.100687] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 3050 07:58:20.220324  [   31.121667] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 3051 07:58:20.226508  [   31.127510] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 3052 07:58:20.236611  [   31.135469] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 3053 07:58:20.242977  [   31.143436] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 3054 07:58:20.253184  [   31.151407] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3055 07:58:20.259536  [   31.159367] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 3056 07:58:20.269486  [   31.167329] FS:  00007f11a4f86580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3057 07:58:20.275866  [   31.176356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3058 07:58:20.282502  [   31.182770] CR2: 00007f11a4d8f000 CR3: 000000010374e005 CR4: 00000000003706e0

 3059 07:58:20.285926  [   31.190739] Call Trace:

 3060 07:58:20.289048  [   31.193465]  direct_entry.cold+0x2c/0x38

 3061 07:58:20.296361  [   31.197844]  full_proxy_write+0x53/0x80

 3062 07:58:20.299261  [   31.202130]  vfs_write+0xe7/0x3b0

 3063 07:58:20.302581  [   31.205829]  ksys_write+0x68/0xf0

 3064 07:58:20.305937  [   31.209528]  do_syscall_64+0x30/0x40

 3065 07:58:20.312376  [   31.213518]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3066 07:58:20.315527  [   31.219157] RIP: 0033:0x7f11a4e9c833

 3067 07:58:20.335291  [   31.223144] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3068 07:58:20.345579  [   31.244125] RSP: 002b:00007fffc67b1048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3069 07:58:20.352589  [   31.252581] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f11a4e9c833

 3070 07:58:20.361711  [   31.260541] RDX: 0000000000000004 RSI: 00007f11a4d8f000 RDI: 0000000000000001

 3071 07:58:20.368502  [   31.268502] RBP: 00007f11a4d8f000 R08: 00007f11a4d8e010 R09: 0000000000000000

 3072 07:58:20.375063  [   31.276463] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3073 07:58:20.385006  [   31.284431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3074 07:58:20.430856  [   31.292406] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3075 07:58:20.437725  [   31.339982] gsmi: Log Shutdown Reason 0x03

 3076 07:58:20.440938  [   31.344570] ---[ end trace b9cc279d67662a98 ]---

 3077 07:58:20.447454  [   31.349752] RIP: 0010:lkdtm_BUG+0x5/0x10

 3078 07:58:20.467531  [   31.354138] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 3079 07:58:20.473878  [   31.375132] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 3080 07:58:20.480688  [   31.380999] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 3081 07:58:20.490325  [   31.389001] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 3082 07:58:20.497454  [   31.396973] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 3083 07:58:20.503702  [   31.404944] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3084 07:58:20.513508  [   31.412916] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 3085 07:58:20.523500  [   31.420918] FS:  00007f11a4f86580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3086 07:58:20.529775  [   31.429987] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3087 07:58:20.536178  [   31.436405] CR2: 00007f11a4d8f000 CR3: 000000010374e005 CR4: 00000000003706e0

 3088 07:58:20.539539  # Segmentation fault

 3089 07:58:20.554277  # [   31.059979] lkdtm: Performing direct entry BUG

 3090 07:58:20.561006  # [   31.065037] ------------[ cut here ]------------

 3091 07:58:20.564413  # [   31.070217] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3092 07:58:20.571142  # [   31.076073] invalid opcode: 0000 [#1] SMP PTI

 3093 07:58:20.580469  # [   31.080946] CPU: 2 PID: 649 Comm: cat Tainted: G        W         5.10.173-cip27 #1

 3094 07:58:20.587098  # [   31.089497] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3095 07:58:20.590653  # [   31.096304] RIP: 0010:lkdtm_BUG+0x5/0x10

 3096 07:58:20.613611  # [   31.100687] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 3097 07:58:20.616973  [   31.517789] lkdtm: Performing direct entry WARNING

 3098 07:58:20.623627  [   31.525545] ------------[ cut here ]------------

 3099 07:58:20.633667  [   31.530716] WARNING: CPU: 3 PID: 686 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3100 07:58:20.633760  

 3101 07:58:20.640160  # [   31.121667] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 3102 07:58:20.683035  #[   31.540151] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3103 07:58:20.692811  [   31.592051] CPU: 3 PID: 686 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3104 07:58:20.699278  [   31.600630] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3105 07:58:20.709139   [   31.127510] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX:[   31.607440] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3106 07:58:20.732362  [   31.618523] 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 90 8d 9f 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 71 8d

 3107 07:58:20.739358  [   31.639539] RSP: 0018:ffff9b2f413c7e60 EFLAGS: 00010202

 3108 07:58:20.745467  [   31.645377] RAX: ffffffff9e4f5970 RBX: 0000000000000002 RCX: 0000000000000000

 3109 07:58:20.752558  [   31.653349] RDX: 0000000000000000 RSI: ffff8ae6fad9bf70 RDI: ffffffff9f2d5a80

 3110 07:58:20.761818  [   31.661345] RBP: ffffffff9f6cecf7 R08: 0000000000000000 R09: 0000000000000000

 3111 07:58:20.761908   0000000000000000

 3112 07:58:20.775847  # [   31.135469] RDX: 0000000000000000 RSI: f[   31.669329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3113 07:58:20.782259  [   31.683507] R13: ffff9b2f413c7f10 R14: ffff9b2f413c7f10 R15: ffff8ae683747000

 3114 07:58:20.792180  [   31.691478] FS:  00007fba9f983580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000

 3115 07:58:20.798720  [   31.700519] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3116 07:58:20.808805  [   31.706939] CR2: 00007fba9f78c000 CR3: 0000000106e86005 CR4: 00000000003706e0

 3117 07:58:20.808893  [   31.714932] Call Trace:

 3118 07:58:20.815470  [   31.717664]  direct_entry.cold+0x2c/0x38

 3119 07:58:20.818670  [   31.722078]  full_proxy_write+0x53/0x80

 3120 07:58:20.821534  fff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 3121 07:58:20.828542  # [   31.143436] RBP: fff[   31.726389]  vfs_write+0xe7/0x3b0

 3122 07:58:20.831838  [   31.736297]  ksys_write+0x68/0xf0

 3123 07:58:20.834890  [   31.740029]  do_syscall_64+0x30/0x40

 3124 07:58:20.841118  [   31.744047]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3125 07:58:20.844507  [   31.749724] RIP: 0033:0x7fba9f899833

 3126 07:58:20.868498  [   31.753707] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3127 07:58:20.874393  [   31.774693] RSP: 002b:00007fff5e5529b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3128 07:58:20.884606  [   31.783153] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fba9f899833

 3129 07:58:20.890914  [   31.791125] RDX: 0000000000000008 RSI: 00007fba9f78c000 RDI: 0000000000000001

 3130 07:58:20.901150  [   31.799098] RBP: 00007fba9f78c000 R08: 00007fba9f78b010 R09: 0000000000000000

 3131 07:58:20.907771  [   31.807071] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3132 07:58:20.914457  [   31.815046] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3133 07:58:20.917715  [   31.823024] irq event stamp: 0

 3134 07:58:20.923890  fffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 3135 07:58:20.930922  # [  [   31.826461] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3136 07:58:20.940903  [   31.839669] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3137 07:58:20.950479  [   31.848809] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3138 07:58:20.956980  [   31.857945] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3139 07:58:20.964076  [   31.864967] ---[ end trace b9cc279d67662a99 ]---

 3140 07:58:20.969998   31.151407] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3141 07:58:20.976851  # [   31.159367] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 3142 07:58:20.986493  # [   31.167329] FS:  00007f11a4f86580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3143 07:58:20.993323  # [   31.176356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3144 07:58:21.003221  # [   31.182770] CR2: 00007f11a4d8f000 CR3: 000000010374e005 CR4: 00000000003706e0

 3145 07:58:21.006419  # [   31.190739] Call Trace:

 3146 07:58:21.009946  # [   31.193465]  direct_entry.cold+0x2c/0x38

 3147 07:58:21.013189  # [   31.197844]  full_proxy_write+0x53/0x80

 3148 07:58:21.016462  # [   31.202130]  vfs_write+0xe7/0x3b0

 3149 07:58:21.023144  # [   31.205829]  ksys_write+0x68/0xf0

 3150 07:58:21.026199  # [   31.209528]  do_syscall_64+0x30/0x40

 3151 07:58:21.033017  # [   31.213518]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3152 07:58:21.036460  # [   31.219157] RIP: 0033:0x7f11a4e9c833

 3153 07:58:21.055898  # [   31.223144] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3154 07:58:21.069627  # [   31.244125] RSP: 002b:00007fffc67b1048 EFL[   31.966867] lkdtm: Performing direct entry WARNING_MESSAGE

 3155 07:58:21.072275  [   31.975691] ------------[ cut here ]------------

 3156 07:58:21.078989  [   31.980856] Warning message trigger count: 2

 3157 07:58:21.088625  [   31.985645] WARNING: CPU: 2 PID: 721 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3158 07:58:21.092247  AGS: 00000246 ORIG_RAX: 0000000000000001

 3159 07:58:21.141547  # [   31.252581] RAX: [   31.995860] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3160 07:58:21.148033  [   32.047762] CPU: 2 PID: 721 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3161 07:58:21.154403  [   32.056343] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3162 07:58:21.161026  [   32.063150] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3163 07:58:21.181602  [   32.068808] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 71 8d 9f 02 48 c7 c7 58 f2 6c 9f 8d 70 01 89 35 61 8d 9f 02 e8 4d 4d 65 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3164 07:58:21.187539  [   32.089797] RSP: 0018:ffff9b2f4143fe60 EFLAGS: 00010286

 3165 07:58:21.194239  [   32.095633] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3166 07:58:21.203983  [   32.103622] RDX: ffff8ae6fad2c660 RSI: ffff8ae6fad1bf70 RDI: ffff8ae6fad1bf70

 3167 07:58:21.210965  [   32.111596] RBP: ffffffff9f6cecff R08: 0000000000000000 R09: 0000000000000000

 3168 07:58:21.221075  [   32.119587] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3169 07:58:21.227562  [   32.127557] R13: ffff9b2f4143ff10 R14: ffff9b2f4143ff10 R15: ffff8ae683794000

 3170 07:58:21.237605  [   32.135531] FS:  00007f974cb43580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3171 07:58:21.243476  [   32.144570] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3172 07:58:21.250081  [   32.150988] CR2: 00007f974c94c000 CR3: 0000000105f5c002 CR4: 00000000003706e0

 3173 07:58:21.253672  [   32.158959] Call Trace:

 3174 07:58:21.257000  [   32.161689]  direct_entry.cold+0x2c/0x38

 3175 07:58:21.263826  [   32.166100]  full_proxy_write+0x53/0x80

 3176 07:58:21.269890  ffffffffffffffda RBX: 0000000000000004 RCX: 00007f11a4e9c833

 3177 07:58:21.273244  # [   32.170410]  vfs_write+0xe7/0x3b0

 3178 07:58:21.276634  [   32.180321]  ksys_write+0x68/0xf0

 3179 07:58:21.280101  [   32.184052]  do_syscall_64+0x30/0x40

 3180 07:58:21.286209  [   32.188068]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3181 07:58:21.289734  [   32.193734] RIP: 0033:0x7f974ca59833

 3182 07:58:21.309931  [   32.197724] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3183 07:58:21.319575  [   32.218708] RSP: 002b:00007ffe491666f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3184 07:58:21.326426  [   32.227164] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f974ca59833

 3185 07:58:21.335753  [   32.235136] RDX: 0000000000000010 RSI: 00007f974c94c000 RDI: 0000000000000001

 3186 07:58:21.348884  [   31.260541] RDX: 0000000000000004 RSI: 00007f11a4d8f000 RDI: [   32.243112] RBP: 00007f974c94c000 R08: 00007f974c94b010 R09: 0000000000000000

 3187 07:58:21.355644  [   32.257296] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3188 07:58:21.358836  0000000000000001

 3189 07:58:21.372517  # [   31.268502] RBP: 00007f11a4d8f000 R08: 00[   32.265269] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3190 07:58:21.375446  [   32.279472] irq event stamp: 0

 3191 07:58:21.379033  007f11a4d8e010 R09: 0000000000000000

 3192 07:58:21.389112  # [   31.276463] R10: ffff[   32.282888] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3193 07:58:21.398735  [   32.296102] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3194 07:58:21.405480  [   32.305239] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3195 07:58:21.412245  [   32.314377] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3196 07:58:21.418238  [   32.321377] ---[ end trace b9cc279d67662a9a ]---

 3197 07:58:21.424911  fffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3198 07:58:21.431701  # [   31.284431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3199 07:58:21.478293  # [   31.292406] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3200 07:58:21.484475  # [   31.339982] gsmi: Log Shutdown Reason 0x03

 3201 07:58:21.487775  # [   31.344570] ---[ end trace b9cc279d67662a98 ]---

 3202 07:58:21.494662  # [   31.349752] RIP: 0010:lkdtm_BUG+0x5/0x10

 3203 07:58:21.497513  # [[   32.395472] lkdtm: Performing direct entry EXCEPTION

 3204 07:58:21.507533  [   32.406714] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3205 07:58:21.517503     31.354138] Code: 89 ff e8 ae 5b a2 ff 48 c7 c0 ea ff ff ff eb[   32.414499] #PF: supervisor write access in kernel mode

 3206 07:58:21.524051  [   32.426542] #PF: error_code(0x0002) - not-present page

 3207 07:58:21.527183  [   32.432277] PGD 0 P4D 0 

 3208 07:58:21.530942  [   32.435101] Oops: 0002 [#2] SMP PTI

 3209 07:58:21.540755  [   32.438993] CPU: 2 PID: 753 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3210 07:58:21.546948  [   32.447535] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3211 07:58:21.550448  [   32.454340] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3212 07:58:21.573868  [   32.459300] Code: 48 c7 c7 58 f2 6c 9f 8d 70 01 89 35 61 8d 9f 02 e8 4d 4d 65 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

 3213 07:58:21.577015  [   32.480269] RSP: 0018:ffff9b2f41497e60 EFLAGS: 00010286

 3214 07:58:21.586656  [   32.486103] RAX: ffffffff9e4f59c0 RBX: 0000000000000004 RCX: 0000000000000000

 3215 07:58:21.593335  [   32.494070] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5aa0

 3216 07:58:21.603369  [   32.502038] RBP: ffffffff9f6025ff R08: 0000000000000000 R09: 0000000000000000

 3217 07:58:21.609947  [   32.510006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3218 07:58:21.619872  [   32.517975] R13: ffff9b2f41497f10 R14: ffff9b2f41497f10 R15: ffff8ae683657000

 3219 07:58:21.626258  [   32.525941] FS:  00007f08584df580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3220 07:58:21.633232  [   32.534978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3221 07:58:21.642484  [   32.541392] CR2: 0000000000000000 CR3: 000000010335c006 CR4: 00000000003706e0

 3222 07:58:21.642610  [   32.549361] Call Trace:

 3223 07:58:21.649296  [   32.552089]  direct_entry.cold+0x2c/0x38

 3224 07:58:21.652520  [   32.556468]  full_proxy_write+0x53/0x80

 3225 07:58:21.655799  [   32.560748]  vfs_write+0xe7/0x3b0

 3226 07:58:21.659292  [   32.564446]  ksys_write+0x68/0xf0

 3227 07:58:21.665657  [   32.568148]  do_syscall_64+0x30/0x40

 3228 07:58:21.669225  [   32.572137]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3229 07:58:21.672420  [   32.577766] RIP: 0033:0x7f08583f5833

 3230 07:58:21.695751  [   32.581755] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3231 07:58:21.701867  [   32.602742] RSP: 002b:00007ffda66777b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3232 07:58:21.712205  [   32.611188] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f08583f5833

 3233 07:58:21.718825  [   32.619157] RDX: 000000000000000a RSI: 00007f08582e8000 RDI: 0000000000000001

 3234 07:58:21.728509  [   32.627127] RBP: 00007f08582e8000 R08: 00007f08582e7010 R09: 0000000000000000

 3235 07:58:21.735418  [   32.635096] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3236 07:58:21.741427  [   32.643063] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3237 07:58:21.794365   de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb [   32.651037] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3238 07:58:21.797958  [   32.702938] CR2: 0000000000000000

 3239 07:58:21.804506  [   32.706635] ---[ end trace b9cc279d67662a9b ]---

 3240 07:58:21.807434  [   32.711782] RIP: 0010:lkdtm_BUG+0x5/0x10

 3241 07:58:21.830474  [   32.716159] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 3242 07:58:21.833864  [   32.737131] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 3243 07:58:21.843709  [   32.742964] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 3244 07:58:21.850600  [   32.750934] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 3245 07:58:21.860100  [   32.758903] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 3246 07:58:21.866830  [   32.766871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3247 07:58:21.873727  [   32.774841] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 3248 07:58:21.883461  [   32.782803] FS:  00007f08584df580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3249 07:58:21.890632  [   32.791832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3250 07:58:21.900235  [   32.798248] CR2: 0000000000000000 CR3: 000000010335c006 CR4: 00000000003706e0

 3251 07:58:21.909951  [   32.806218] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3252 07:58:21.916809  [   32.816128] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 753, name: cat

 3253 07:58:21.919651  [   32.824485] INFO: lockdep is turned off.

 3254 07:58:21.923125  [   32.828862] irq event stamp: 0

 3255 07:58:21.933127  [   32.832266] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3256 07:58:21.940130  [   32.839265] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3257 07:58:21.949554  [   32.848399] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3258 07:58:21.955919  [   32.857534] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3259 07:58:21.965849  [   32.864532] CPU: 2 PID: 753 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3260 07:58:21.972865  [   32.873084] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3261 07:58:21.976048  [   32.879887] Call Trace:

 3262 07:58:21.979240  [   32.882614]  dump_stack+0x77/0x9b

 3263 07:58:21.982939  [   32.886314]  ___might_sleep.cold+0xa6/0xb6

 3264 07:58:21.992730  c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00[   32.890887]  exit_signals+0x1c/0x300

 3265 07:58:21.995511  [   32.901087]  do_exit+0xc2/0xb00

 3266 07:58:22.002168  [   32.904591]  ? ksys_write+0x68/0xf0

 3267 07:58:22.005251  [   32.908483]  make_task_dead+0x2f/0x30

 3268 07:58:22.008567  [   32.912561]  rewind_stack_and_make_dead+0x17/0x20

 3269 07:58:22.015259  [   32.917811] RIP: 0033:0x7f08583f5833

 3270 07:58:22.035248  [   32.921797] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3271 07:58:22.041856  [   32.942776] RSP: 002b:00007ffda66777b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3272 07:58:22.051651  [   32.951230] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f08583f5833

 3273 07:58:22.058245  [   32.959198] RDX: 000000000000000a RSI: 00007f08582e8000 RDI: 0000000000000001

 3274 07:58:22.068332  [   32.967166] RBP: 00007f08582e8000 R08: 00007f08582e7010 R09: 0000000000000000

 3275 07:58:22.074696  [   32.975134] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3276 07:58:22.084421  [   32.983102] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3277 07:58:22.084515   00 83 05 90 8d 9f 02

 3278 07:58:22.091172  # [   31.375132] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 3279 07:58:22.100843  # [   31.380999] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 3280 07:58:22.107632  # [   31.389001] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 3281 07:58:22.117925  # [   31.396973] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 3282 07:58:22.124405  # [   31.404944] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3283 07:58:22.131008  # [   31.412916] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 3284 07:58:22.140922  # [   31.420918] FS:  00007f11a4f86580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3285 07:58:22.147427  # [   31.429987] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3286 07:58:22.156896  # [   31.436405] CR2: 00007f11a4d8f000 CR3: 000000010374e005 CR4: 00000000003706e0

 3287 07:58:22.160297  # BUG: saw 'kernel BUG at': ok

 3288 07:58:22.163724  ok 2 selftests: lkdtm: BUG.sh

 3289 07:58:22.166902  # selftests: lkdtm: WARNING.sh

 3290 07:58:22.170371  # [   31.517789] lkdtm: Performing direct entry WARNING

 3291 07:58:22.176882  # [   31.525545] ------------[ cut here ]------------

 3292 07:58:22.187068  # [   31.530716] WARNING: CPU: 3 PID: 686 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3293 07:58:22.232915  # [   31.540151] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3294 07:58:22.239460  # [   31.592051] CPU: 3 PID: 686 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3295 07:58:22.246026  # [   31.600630] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3296 07:58:22.252879  # [   31.607440] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3297 07:58:22.272500  # [   31.618523] 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 90 8d 9f 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 71 8d

 3298 07:58:22.279270  # [   31.639539] RSP: 0018:ffff9b2f413c7e60 EFLAGS: 00010202

 3299 07:58:22.289010  # [   31.645377] RAX: ffffffff9e4f5970 RBX: 0000000000000002 RCX: 0000000000000000

 3300 07:58:22.295605  # [ [   33.193466] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3301 07:58:22.299516  [   33.202448] lkdtm: attempting good list addition

 3302 07:58:22.305706  [   33.207641] lkdtm: attempting corrupted list addition

 3303 07:58:22.311982  [   33.213316] lkdtm: list_add() corruption not detected!

 3304 07:58:22.318483    31.653349] RDX: 0000000000000000 RSI: ffff8ae6fad9bf70 RDI: ffffffff9f2d5a80

 3305 07:58:22.328621  # [   31.661345] RBP: ffffffff9f6cecf7 R08: 0000000000000000 R09: 0000000000000000

 3306 07:58:22.334942  # [   31.669329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3307 07:58:22.345063  # [   31.683507] R13: ffff9b2f413c7f10 R14: ffff9b2f413c7f10 R15: ffff8ae683747000

 3308 07:58:22.352302  # [   31.691478] FS:  00007fba9f983580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000

 3309 07:58:22.357989  # [   31.700519] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3310 07:58:22.367840  # [   31.706939] CR2: 00007fba9f78c000 CR3: 0000000106e86005 CR4: 00000000003706e0

 3311 07:58:22.371161  # [   31.714932] Call Trace:

 3312 07:58:22.374935  # [   31.717664]  direct_entry.cold+0x2c/0x38

 3313 07:58:22.378003  # [   31.722078]  full_proxy_write+0x53/0x80

 3314 07:58:22.384406  # [   31.726389]  vfs_write+0xe7/0x3b0

 3315 07:58:22.387700  # [   31.736297]  ksys_write+0x68/0xf0

 3316 07:58:22.391004  # [   31.740029]  do_syscall_64+0x30/0x40

 3317 07:58:22.397844  # [   31.744047]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3318 07:58:22.404731  # [   31.74[   33.302337] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3319 07:58:22.410965  [   33.312356] lkdtm: attempting good list removal

 3320 07:58:22.414148  [   33.317433] lkdtm: attempting corrupted list removal

 3321 07:58:22.417477  9724] RIP: 0033:0x7fba9f899833

 3322 07:58:22.427256  # [   31.753707] Code: 8b 15 61 [   33.322990] lkdtm: list_del() corruption not detected!

 3323 07:58:22.443515  26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3324 07:58:22.453769  # [   31.774693] RSP: 002b:00007fff5e5529b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3325 07:58:22.460342  # [   31.783153] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fba9f899833

 3326 07:58:22.470365  # [   31.791125] RDX: 0000000000000008 RSI: 00007fba9f78c000 RDI: 0000000000000001

 3327 07:58:22.476998  # [   31.799098] RBP: 00007fba9f78c000 R08: 00007fba9f78b010 R09: 0000000000000000

 3328 07:58:22.486906  # [   31.807071] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3329 07:58:22.493431  # [   31.815046] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3330 07:58:22.496771  # [   31.823024] irq event stamp: 0

 3331 07:58:22.506564  # [   31.826461] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3332 07:58:22.513249  # [   31.839669] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3333 07:58:22.523010  # [   31.848809] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3334 07:58:22.529862  # [   31.857945] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3335 07:58:22.536208  # [   31.864967] ---[ end trace b9cc279d67662a99 ]---

 3336 07:58:22.539524  # WARNING: saw 'WARNING:': ok

 3337 07:58:22.542920  ok 3 selftests: lkdtm: WARNING.sh

 3338 07:58:22.546394  # selftests: lkdtm: WARNING_MESSAGE.sh

 3339 07:58:22.559605  # [   31.966867] lkdtm: Performing direct entry[   33.456536] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3340 07:58:22.565931  [   33.466251] lkdtm: attempting bad read from page below current stack

 3341 07:58:22.576191  [   33.473362] BUG: stack guard page was hit at 0000000017e167d0 (stack is 000000004f9511ee..000000001aafd7f1)

 3342 07:58:22.582567  [   33.484254] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3343 07:58:22.585875   WARNING_MESSAGE

 3344 07:58:22.598914  # [   31.975691] ------------[ cut here ]-----[   33.491059] CPU: 2 PID: 978 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3345 07:58:22.605881  [   33.505821] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3346 07:58:22.612682  [   33.512626] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3347 07:58:22.632035  [   33.519139] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 f8 f5 6c 9f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 33 98 fd ff 48 c7 c7 38 f6 6c 9f <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 19 98 fd ff 0f 1f 44

 3348 07:58:22.638850  [   33.540118] RSP: 0018:ffff9b2f417efe50 EFLAGS: 00010246

 3349 07:58:22.645238  [   33.545951] RAX: 0000000000000038 RBX: ffff9b2f417ec000 RCX: 0000000000000000

 3350 07:58:22.654958  [   33.553920] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f6cf638

 3351 07:58:22.661861  [   33.561888] RBP: ffffffff9f6ced62 R08: 0000000000000000 R09: 0000000000000000

 3352 07:58:22.668174  [   33.569855] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3353 07:58:22.678343  [   33.577823] R13: ffff9b2f417eff10 R14: ffff9b2f417eff10 R15: ffff8ae6846db000

 3354 07:58:22.688164  [   33.585791] FS:  00007fce2f333580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3355 07:58:22.694600  [   33.594828] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3356 07:58:22.701393  [   33.601241] CR2: ffff9b2f417ebfff CR3: 000000010497a001 CR4: 00000000003706e0

 3357 07:58:22.705177  [   33.609208] Call Trace:

 3358 07:58:22.708048  [   33.611935]  ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0

 3359 07:58:22.714546  [   33.617005]  direct_entry.cold+0x2c/0x38

 3360 07:58:22.717883  [   33.621383]  full_proxy_write+0x53/0x80

 3361 07:58:22.721115  [   33.625663]  vfs_write+0xe7/0x3b0

 3362 07:58:22.724681  [   33.629360]  ksys_write+0x68/0xf0

 3363 07:58:22.728160  [   33.633049]  do_syscall_64+0x30/0x40

 3364 07:58:22.734140  [   33.637036]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3365 07:58:22.737571  [   33.642676] RIP: 0033:0x7fce2f249833

 3366 07:58:22.760816  [   33.646663] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3367 07:58:22.767573  [   33.667641] RSP: 002b:00007ffeebb852d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3368 07:58:22.777560  [   33.676095] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fce2f249833

 3369 07:58:22.784182  [   33.684062] RDX: 0000000000000019 RSI: 00007fce2f13c000 RDI: 0000000000000001

 3370 07:58:22.791097  [   33.692029] RBP: 00007fce2f13c000 R08: 00007fce2f13b010 R09: 0000000000000000

 3371 07:58:22.800357  [   33.699997] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3372 07:58:22.807103  [   33.707963] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3373 07:58:22.810411  -------

 3374 07:58:22.813664  # [   31.980856] Warning message trigger count: 2

 3375 07:58:22.859576  # [ [   33.715935] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3376 07:58:22.866657  [   33.767834] ---[ end trace b9cc279d67662a9c ]---

 3377 07:58:22.869913  [   33.772988] RIP: 0010:lkdtm_BUG+0x5/0x10

 3378 07:58:22.889606  [   33.777364] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 3379 07:58:22.895960  [   33.798343] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 3380 07:58:22.905734  [   33.804188] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 3381 07:58:22.912646  [   33.812154] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 3382 07:58:22.918845  [   33.820122] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 3383 07:58:22.928832  [   33.828089] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3384 07:58:22.935072  [   33.836058] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 3385 07:58:22.945629  [   33.844027] FS:  00007fce2f333580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3386 07:58:22.951822  [   33.853063] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3387 07:58:22.958497  [   33.859478] CR2: ffff9b2f417ebfff CR3: 000000010497a001 CR4: 00000000003706e0

 3388 07:58:22.968317  [   33.867447] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3389 07:58:22.978127  [   33.877357] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat

 3390 07:58:22.981614  [   33.885714] INFO: lockdep is turned off.

 3391 07:58:22.984995  [   33.890089] irq event stamp: 0

 3392 07:58:22.991678  [   33.893493] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3393 07:58:23.001323  [   33.900491] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3394 07:58:23.011537  [   33.909640] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3395 07:58:23.018220  [   33.918770] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3396 07:58:23.028002  [   33.925767] CPU: 2 PID: 978 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3397 07:58:23.034363  [   33.934318] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3398 07:58:23.034451  [   33.941122] Call Trace:

 3399 07:58:23.041210  [   33.943849]  dump_stack+0x77/0x9b

 3400 07:58:23.044504  [   33.947545]  ___might_sleep.cold+0xa6/0xb6

 3401 07:58:23.047914  [   33.952116]  exit_signals+0x1c/0x300

 3402 07:58:23.051510  [   33.956105]  do_exit+0xc2/0xb00

 3403 07:58:23.054106  [   33.959607]  ? ksys_write+0x68/0xf0

 3404 07:58:23.060818  [   33.963499]  make_task_dead+0x2f/0x30

 3405 07:58:23.064306  [   33.967585]  rewind_stack_and_make_dead+0x17/0x20

 3406 07:58:23.067748  [   33.972833] RIP: 0033:0x7fce2f249833

 3407 07:58:23.090602  [   33.976821] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3408 07:58:23.097785  [   33.997802] RSP: 002b:00007ffeebb852d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3409 07:58:23.106983  [   34.006255] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fce2f249833

 3410 07:58:23.113792  [   34.014235] RDX: 0000000000000019 RSI: 00007fce2f13c000 RDI: 0000000000000001

 3411 07:58:23.123547  [   34.022234] RBP: 00007fce2f13c000 R08: 00007fce2f13b010 R09: 0000000000000000

 3412 07:58:23.130385  [   34.030201] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3413 07:58:23.136698  [   34.038169] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3414 07:58:23.149890    31.985645] WARNING: CPU: 2 PID: 721 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3415 07:58:23.192700  # [   31.995860] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3416 07:58:23.203244  # [   32.047762] CPU: 2 PID: 721 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3417 07:58:23.209633  # [   32.056343] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3418 07:58:23.216170  # [   32.063150] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3419 07:58:23.235904  # [   32.068808] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 71 8d 9f 02 48 c7 c7 58 f2 6c 9f 8d 70 01 89 35 61 8d 9f 02 e8 4d 4d 65 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3420 07:58:23.242415  # [   32.089797] RSP: 0018:ffff9b2f4143fe60 EFLAGS: 00010286

 3421 07:58:23.252166  # [   32.095633] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3422 07:58:23.259046  # [   32.103622] RDX: ffff8ae6fad2c660 RSI: ffff8ae6fad1bf70 RDI: ffff8ae6fad1bf70

 3423 07:58:23.269230  # [   32.111596] RBP: ffffffff9f6cecff R08: 0000000000000000 R09: 0000000000000000

 3424 07:58:23.275502  # [   32.119587[   34.175514] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3425 07:58:23.282177  [   34.183802] lkdtm: attempting bad read from page above current stack

 3426 07:58:23.294884  [   34.190913] BUG: stack guard page was hit at 000000008263dcb0 (stack is 00000000567cc724..0000000045fd19ce)

 3427 07:58:23.301686  [   34.201803] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3428 07:58:23.308657  [   34.208608] CPU: 2 PID: 1011 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3429 07:58:23.314843  [   34.217248] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3430 07:58:23.321544  [   34.224054] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3431 07:58:23.344565  [   34.230664] Code: 98 fd ff 0f 1f 44 00 00 53 48 c7 c7 70 f6 6c 9f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f9 97 fd ff 48 c7 c7 b0 f6 6c 9f <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 dc 97 fd ff

 3432 07:58:23.351257  [   34.251646] RSP: 0018:ffff9b2f4187fe50 EFLAGS: 00010246

 3433 07:58:23.357562  [   34.257469] RAX: 0000000000000038 RBX: ffff9b2f4187c000 RCX: 0000000000000000

 3434 07:58:23.364274  [   34.265438] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f6cf6b0

 3435 07:58:23.374970  [   34.273406] RBP: ffffffff9f6ced7b R08: 0000000000000000 R09: 0000000000000000

 3436 07:58:23.381090  [   34.281373] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3437 07:58:23.391223  [   34.289341] R13: ffff9b2f4187ff10 R14: ffff9b2f4187ff10 R15: ffff8ae683766000

 3438 07:58:23.397731  [   34.297309] FS:  00007f9c685d9580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3439 07:58:23.404211  [   34.306345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3440 07:58:23.414054  [   34.312760] CR2: ffff9b2f41880000 CR3: 0000000106e86006 CR4: 00000000003706e0

 3441 07:58:23.414144  [   34.320728] Call Trace:

 3442 07:58:23.420462  [   34.323454]  ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a

 3443 07:58:23.427492  [   34.329288]  direct_entry.cold+0x2c/0x38

 3444 07:58:23.430488  [   34.333657]  full_proxy_write+0x53/0x80

 3445 07:58:23.433948  [   34.337939]  vfs_write+0xe7/0x3b0

 3446 07:58:23.437484  [   34.341635]  ksys_write+0x68/0xf0

 3447 07:58:23.440785  [   34.345333]  do_syscall_64+0x30/0x40

 3448 07:58:23.446778  [   34.349321]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3449 07:58:23.450391  [   34.354951] RIP: 0033:0x7f9c684ef833

 3450 07:58:23.473203  [   34.358939] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3451 07:58:23.480018  [   34.379920] RSP: 002b:00007fff38fc90b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3452 07:58:23.489832  [   34.388374] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f9c684ef833

 3453 07:58:23.496604  [   34.396341] RDX: 000000000000001a RSI: 00007f9c683e2000 RDI: 0000000000000001

 3454 07:58:23.503734  [   34.404310] RBP: 00007f9c683e2000 R08: 00007f9c683e1010 R09: 0000000000000000

 3455 07:58:23.513099  [   34.412276] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3456 07:58:23.519515  [   34.420245] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3457 07:58:23.572649  ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000[   34.428216] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3458 07:58:23.579087  [   34.480116] ---[ end trace b9cc279d67662a9d ]---

 3459 07:58:23.582185  [   34.485277] RIP: 0010:lkdtm_BUG+0x5/0x10

 3460 07:58:23.601957  [   34.489656] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 3461 07:58:23.608743  [   34.510626] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 3462 07:58:23.614919  [   34.516460] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 3463 07:58:23.625282  [   34.524427] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 3464 07:58:23.631523  [   34.532397] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 3465 07:58:23.641408  [   34.540367] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3466 07:58:23.648563  [   34.548334] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 3467 07:58:23.658114  [   34.556302] FS:  00007f9c685d9580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3468 07:58:23.664512  [   34.565339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3469 07:58:23.671068  [   34.571755] CR2: ffff9b2f41880000 CR3: 0000000106e86006 CR4: 00000000003706e0

 3470 07:58:23.671158  010

 3471 07:58:23.681315  # [   32.127557] R13: ffff9b2f4143ff10 R14: ffff9b2f4143ff10 R15: ffff8ae683794000

 3472 07:58:23.690772  # [   32.135531] FS:  00007f974cb43580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3473 07:58:23.697601  # [   32.144570] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3474 07:58:23.704333  # [   32.150988] CR2: 00007f974c94c000 CR3: 0000000105f5c002 CR4: 00000000003706e0

 3475 07:58:23.707329  # [   32.158959] Call Trace:

 3476 07:58:23.710621  # [   32.161689]  direct_entry.cold+0x2c/0x38

 3477 07:58:23.717555  # [   32.166100]  full_proxy_write+0x53/0x80

 3478 07:58:23.720839  # [   32.170410]  vfs_write+0xe7/0x3b0

 3479 07:58:23.724368  # [   32.180321]  ksys_write+0x68/0xf0

 3480 07:58:23.727305  # [   32.184052]  do_syscall_64+0x30/0x40

 3481 07:58:23.733957  # [   32.188068]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3482 07:58:23.737175  # [   32.193734] RIP: 0033:0x7f974ca59833

 3483 07:58:23.757293  # [   32.197724] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 0[   34.659384] lkdtm: Performing direct entry UNSET_SMEP

 3484 07:58:23.770219  5 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 [   34.666218] lkdtm: trying to clear SMEP normally

 3485 07:58:23.770313  24 18

 3486 07:58:23.779928  # [   32.218708] RSP: 002b:00007ffe491666f8 EFLAGS: 00000[   34.677615] ------------[ cut here ]------------

 3487 07:58:23.783615  246 ORIG_RAX: 0000000000000001

 3488 07:58:23.793139  # [   32.227164] RAX: ffffffffff[   34.688986] pinned CR4 bits changed: 0x100000!?

 3489 07:58:23.796641  ffffda RBX: 0000000000000010 RCX: 00007f974ca59833

 3490 07:58:23.809883  # [   32.235[   34.700269] WARNING: CPU: 0 PID: 1047 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60

 3491 07:58:23.859428  136] RDX: 0000000000000010 RSI: 00007f974c94c000 RDI: 0000000000[   34.716677] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3492 07:58:23.863011  000001

 3493 07:58:23.875798  # [   32.243112] RBP: 00007f974c94c000 R08: 00007f974c94[   34.768547] CPU: 0 PID: 1047 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3494 07:58:23.879569  b010 R09: 0000000000000000

 3495 07:58:23.888911  # [   32.257296] R10: fffffffffffffb[   34.783405] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3496 07:58:23.892540  c5 R11: 0000000000000246 R12: 0000000000000001

 3497 07:58:23.898997  # [   32.265269][   34.796435] RIP: 0010:native_write_cr4+0x45/0x60

 3498 07:58:23.928305   R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000200[   34.807801] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 29 d9 e3 01 00 75 f2 48 c7 c7 18 c6 60 9f c6 05 19 d9 e3 01 01 e8 c8 6f e8 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3499 07:58:23.928407  00

 3500 07:58:23.931631  # [   32.279472] irq event stamp: 0

 3501 07:58:23.938311  # [   32.282888] hardir[   34.835007] RSP: 0018:ffff9b2f418efe48 EFLAGS: 00010286

 3502 07:58:23.945226  qs last  enabled at (0): [<0000000000000000>] 0x0

 3503 07:58:23.955277  # [   32.2961[   34.847061] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000

 3504 07:58:23.968101  02] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_pro[   34.861328] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 3505 07:58:23.968193  cess+0x664/0x1cb0

 3506 07:58:23.981227  # [   32.305239] softirqs last  enabled at (0[   34.875447] RBP: ffffffff9f6ced95 R08: 0000000000000000 R09: 0000000000000000

 3507 07:58:23.987899  ): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3508 07:58:23.994105  # [   32.3143[   34.889723] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3509 07:58:24.001162  77] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3510 07:58:24.010845  # [[   34.903939] R13: ffff9b2f418eff10 R14: ffff9b2f418eff10 R15: ffff8ae6832d4000

 3511 07:58:24.014133     32.321377] ---[ end trace b9cc279d67662a9a ]---

 3512 07:58:24.023855  # WARNING_ME[   34.918059] FS:  00007f6eb027f580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 3513 07:58:24.027399  SSAGE: saw 'message trigger': ok

 3514 07:58:24.037364  ok 4 selftests: lkdtm: WARNING[   34.933310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3515 07:58:24.040662  _MESSAGE.sh

 3516 07:58:24.043635  # selftests: lkdtm: EXCEPTION.sh

 3517 07:58:24.043714  # Killed

 3518 07:58:24.053838  # [   3[   34.945951] CR2: 00007f6eb0088000 CR3: 0000000103c66004 CR4: 00000000003706f0

 3519 07:58:24.057066  2.395472] lkdtm: Performing direct entry EXCEPTION

 3520 07:58:24.060501  # [   32.406[   34.960157] Call Trace:

 3521 07:58:24.073343  714] BUG: kernel NULL pointer dereference, address: 000000000000[   34.969114]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3522 07:58:24.073449  0000

 3523 07:58:24.083417  # [   32.414499] #PF: supervisor write access in kernel mo[   34.980246]  direct_entry.cold+0x2c/0x38

 3524 07:58:24.083508  de

 3525 07:58:24.089914  # [   32.426542] #PF: error_code(0x0002) - not-present page

 3526 07:58:24.093313  [   34.990765]  full_proxy_write+0x53/0x80

 3527 07:58:24.093397  

 3528 07:58:24.096943  # [   32.432277] PGD 0 P4D 0 

 3529 07:58:24.103165  # [   32.435101] Oops: 0002 [#2][   35.001285]  vfs_write+0xe7/0x3b0

 3530 07:58:24.103254   SMP PTI

 3531 07:58:24.113115  # [   32.438993] CPU: 2 PID: 753 Comm: cat Tainted: G [   35.011207]  ksys_write+0x68/0xf0

 3532 07:58:24.116670       D W         5.10.173-cip27 #1

 3533 07:58:24.123162  # [   32.447535] Hardware na[   35.021167]  do_syscall_64+0x30/0x40

 3534 07:58:24.126444  me: Google Rammus/Rammus, BIOS  09/04/2020

 3535 07:58:24.136547  # [   32.454340] RIP[   35.031349]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3536 07:58:24.139712  : 0010:lkdtm_EXCEPTION+0x5/0x20

 3537 07:58:24.146057  # [   32.459300] Code: 48 c7 c7[   35.043187] RIP: 0033:0x7f6eb0195833

 3538 07:58:24.172576   58 f2 6c 9f 8d 70 01 89 35 61 8d 9f 02 e8 4d 4d 65 00 0f 0b c3 [   35.053415] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3539 07:58:24.185876  cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <c7> 04 25[   35.080615] RSP: 002b:00007ffdcc43ebe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3540 07:58:24.192955   00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84

 3541 07:58:24.202269  # [  [   35.095301] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6eb0195833

 3542 07:58:24.205650   32.480269] RSP: 0018:ffff9b2f41497e60 EFLAGS: 00010286

 3543 07:58:24.215356  # [   3[   35.109482] RDX: 000000000000000b RSI: 00007f6eb0088000 RDI: 0000000000000001

 3544 07:58:24.228829  2.486103] RAX: ffffffff9e4f59c0 RBX: 0000000000000004 RCX: 00000[   35.123672] RBP: 00007f6eb0088000 R08: 00007f6eb0087010 R09: 0000000000000000

 3545 07:58:24.232059  00000000000

 3546 07:58:24.244918  # [   32.494070] RDX: 0000000000000000 RSI: ffff8ae[   35.137865] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3547 07:58:24.248192  6fad1bf70 RDI: ffffffff9f2d5aa0

 3548 07:58:24.258262  # [   32.502038] RBP: ffffffff9[   35.152070] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3549 07:58:24.265010  f6025ff R08: 0000000000000000 R09: 0000000000000000

 3550 07:58:24.268283  # [   32.51[   35.166245] irq event stamp: 0

 3551 07:58:24.281336  0006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[   35.175875] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3552 07:58:24.281435  000000a

 3553 07:58:24.297699  # [   32.517975] R13: ffff9b2f41497f10 R14: ffff9b2f414[   35.189089] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3554 07:58:24.300887  97f10 R15: ffff8ae683657000

 3555 07:58:24.310821  # [   32.525941] FS:  00007f08584df[   35.204451] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3556 07:58:24.317602  580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3557 07:58:24.323949  # [ [   35.219793] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3558 07:58:24.330765    32.534978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3559 07:58:24.337710  [   35.233022] ---[ end trace b9cc279d67662a9e ]---

 3560 07:58:24.347000  # [   32.541392] CR2: 0000000000000000 CR3: 000000010335c006 CR4[   35.244386] lkdtm: ok: SMEP did not get cleared

 3561 07:58:24.350418  : 00000000003706e0

 3562 07:58:24.354005  # [   32.549361] Call Trace:

 3563 07:58:24.360392  # [   32.55208[   35.255679] lkdtm: trying to clear SMEP with call gadget

 3564 07:58:24.363971  9]  direct_entry.cold+0x2c/0x38

 3565 07:58:24.370471  # [   32.556468]  full_proxy_wr[   35.267819] lkdtm: ok: SMEP removal was reverted

 3566 07:58:24.373930  ite+0x53/0x80

 3567 07:58:24.377115  # [   32.560748]  vfs_write+0xe7/0x3b0

 3568 07:58:24.380445  # [   32.564446]  ksys_write+0x68/0xf0

 3569 07:58:24.383810  # [   32.568148]  do_syscall_64+0x30/0x40

 3570 07:58:24.390379  # [   32.572137]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3571 07:58:24.393455  # [   32.577766] RIP: 0033:0x7f08583f5833

 3572 07:58:24.416778  # [   32.581755] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3573 07:58:24.422803  # [   32.602742] RSP: 002b:00007ffda66777b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3574 07:58:24.433080  # [   32.611188] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f08583f5833

 3575 07:58:24.439960  # [   32.619157] RDX: 000000000000000a RSI: 00007f08582e8000 RDI: 0000000000000001

 3576 07:58:24.449468  # [   32.627127] RBP: 00007f08582e8000 R08: 00007f08582e7010 R09: 0000000000000000

 3577 07:58:24.455989  # [   32.635096] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3578 07:58:24.462532  # [   32.643[   35.360211] lkdtm: Performing direct entry DOUBLE_FAULT

 3579 07:58:24.469589  [   35.372020] lkdtm: XFAIL: this test is ia32-only

 3580 07:58:24.475754  063] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3581 07:58:24.522331  # [   32.651037] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3582 07:58:24.525504  # [   32.702938] CR2: 0000000000000000

 3583 07:58:24.532213  # [   32.706635] ---[ end trace b9cc279d67662a9b ]---

 3584 07:58:24.535349  # [   32.711782] RIP: 0010:lkdtm_BUG+0x5/0x10

 3585 07:58:24.554948  # [   32.716159] Code: 89 ff e8 ae 5b a2 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 [   35.451827] lkdtm: Performing direct entry CORRUPT_PAC

 3586 07:58:24.568655  00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 90 8d[   35.463783] lkdtm: XFAIL: this test is arm64-only

 3587 07:58:24.568785   9f 02

 3588 07:58:24.574914  # [   32.737131] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 3589 07:58:24.581382  # [   32.742964] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 3590 07:58:24.591458  # [   32.750934] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 3591 07:58:24.598407  # [   32.758903] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 3592 07:58:24.607874  # [   32.766871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3593 07:58:24.614845  # [   32.774841] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 3594 07:58:24.624167  # [   32.782803] FS:  00007f08584df580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3595 07:58:24.631190  # [   32.791832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3596 07:58:24.637681  # [   32.798248] CR2: 0000000000000000 CR3: 000000010335c006 CR4: 00000000003706e0

 3597 07:58:24.647694  # [   32.806218] BUG: sleeping [   35.547687] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3598 07:58:24.657721  [   35.556992] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3599 07:58:24.664061  function called from invalid context at include/linux/percpu-rwsem.h:49

 3600 07:58:24.673566  # [   32.816128] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 753, name: cat

 3601 07:58:24.676965  # [   32.824485] INFO: lockdep is turned off.

 3602 07:58:24.680453  # [   32.828862] irq event stamp: 0

 3603 07:58:24.687065  # [   32.832266] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3604 07:58:24.697358  # [   32.839265] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3605 07:58:24.707297  # [   32.848399] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3606 07:58:24.713289  # [   32.857534] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3607 07:58:24.723098  # [   32.864532] CPU: 2 PID: 753 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3608 07:58:24.729772  # [   32.873084] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3609 07:58:24.733430  # [   32.879887] Call Trace:

 3610 07:58:24.736989  # [   32.882614]  dump_stack+0x77/0x9b

 3611 07:58:24.740003  # [   32.886314]  ___might_sleep.cold+0xa6/0xb6

 3612 07:58:24.746751  # [   32.890887]  exit_signals+0x1c/0x300

 3613 07:58:24.749892  # [   32.901087]  do_exit+0xc2/0xb00

 3614 07:58:24.753204  # [   32.904591]  ? ksys_write+0x68/0xf0

 3615 07:58:24.757104  # [   32.908483]  make_task_dead+0x2f/0x30

 3616 07:58:24.762974  # [   32.912561]  rewind_stack_and_make_dead+0x17/0x20

 3617 07:58:24.766365  # [   32.917811] RIP: 0033:0x7f08583f5833

 3618 07:58:24.789614  # [   32.921797] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3619 07:58:24.795919  # [   32.942776] RSP: 002b:00007ffda66777b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3620 07:58:24.805754  # [   32.951230] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f08583f5833

 3621 07:58:24.812548  # [   32.959198] RDX: 000000000000000a RSI: 00007f08582e8000 RDI: 0000000000000001

 3622 07:58:24.822474  # [   32.967166] RBP: 00007f08582e8000 R08: 00007f08582e7010 R09: 0000000000000000

 3623 07:58:24.829230  # [   32.975134] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3624 07:58:24.842110  # [   32.983102] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000[   35.742295] lkdtm: Performing direct entry READ_AFTER_FREE

 3625 07:58:24.842204  0

 3626 07:58:24.845368  # EXCEPTION: saw 'call trace:': ok

 3627 07:58:24.855585  ok 5 selftests: lkdtm: EX[   35.751145] lkdtm: Value in memory before free: 12345678

 3628 07:58:24.855677  CEPTION.sh

 3629 07:58:24.859094  # selftests: lkdtm: LOOP.sh

 3630 07:58:24.868400  # Skipping LOOP: Hangs [   35.763295] lkdtm: Attempting bad read from freed memory

 3631 07:58:24.868490  the system

 3632 07:58:24.871688  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 3633 07:58:24.878402  # selftests: [   35.775436] lkdtm: Memory was not poisoned

 3634 07:58:24.881601  lkdtm: EXHAUST_STACK.sh

 3635 07:58:24.884927  # Skipping EXHAUST_STACK: Corrupts memory on failure

 3636 07:58:24.891700  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 3637 07:58:24.894837  # selftests: lkdtm: CORRUPT_STACK.sh

 3638 07:58:24.901850  # Skipping CORRUPT_STACK: Crashes entire system on success

 3639 07:58:24.904961  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP

 3640 07:58:24.908490  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 3641 07:58:24.914532  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 3642 07:58:24.921680  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 3643 07:58:24.924798  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 3644 07:58:24.931147  # [   33.193466] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3645 07:58:24.937864  # [   33.202448] lkdtm: attempting good list addition

 3646 07:58:24.941586  # [   33.207641] lkdtm: attempting corrupted list addition

 3647 07:58:24.947778  # [   33.213316] lkdtm: list_add() corruption not detected!

 3648 07:58:24.954503  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]

 3649 07:58:24.961193  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 3650 07:58:24.964607  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 3651 07:58:24.971448  # [   33.302337] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3652 07:58:24.974070  # [   33.312356] lkdtm: attempting good list removal

 3653 07:58:24.980673  # [   33.317433] lkdtm: attempting corrupted list removal

 3654 07:58:24.990667  # [   33.322990] lkdtm: list[   35.887814] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3655 07:58:24.993967  _del() corruption not detected!

 3656 07:58:25.003736  # CORRUPT_LIST_DEL: missing 'li[   35.898604] lkdtm: Value in memory before free: 12345678

 3657 07:58:25.007189  st_del corruption': [FAIL]

 3658 07:58:25.013989  not ok 11 selftests: lkdtm: CORRUPT_[   35.910744] lkdtm: Attempting to read from freed memory

 3659 07:58:25.016772  LIST_DEL.sh # exit=1

 3660 07:58:25.026733  # selftests: lkdtm: STACK_GUARD_PAGE_LEADI[   35.922798] lkdtm: Buddy page was not poisoned

 3661 07:58:25.026816  NG.sh

 3662 07:58:25.030160  # Segmentation fault

 3663 07:58:25.037106  # [   33.456536] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3664 07:58:25.043680  # [   33.466251] lkdtm: attempting bad read from page below current stack

 3665 07:58:25.053534  # [   33.473362] BUG: stack guard page was hit at 0000000017e167d0 (stack is 000000004f9511ee..000000001aafd7f1)

 3666 07:58:25.059890  # [   33.484254] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3667 07:58:25.069927  # [   33.491059] CPU: 2 PID: 978 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3668 07:58:25.076932  # [   33.505821] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3669 07:58:25.083224  # [   33.512626] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3670 07:58:25.106037  # [   33.519139] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 f8 f5 6c 9f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 33 98 fd ff 48 c7 c7 38 f6 6c 9f <8a> 43 ff 88 44 24 07 0[   36.006327] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 3671 07:58:25.113080  f b6 74 24 07 5a 5b e9 19 98 fd ff 0f 1f 44

 3672 07:58:25.119788  # [   33.540118] RS[   36.014807] lkdtm: Attempting double slab free ...

 3673 07:58:25.123168  P: 0018:ffff9b2f417efe50 EFLAGS: 00010246

 3674 07:58:25.129266  # [   33.545951] RAX: 0000000000000038 RBX: ffff9b2f417ec000 RCX: 0000000000000000

 3675 07:58:25.139159  # [   33.553920] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f6cf638

 3676 07:58:25.145893  # [   33.561888] RBP: ffffffff9f6ced62 R08: 0000000000000000 R09: 0000000000000000

 3677 07:58:25.155663  # [   33.569855] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3678 07:58:25.162108  # [   33.577823] R13: ffff9b2f417eff10 R14: ffff9b2f417eff10 R15: ffff8ae6846db000

 3679 07:58:25.172077  # [   33.585791] FS:  00007fce2f333580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3680 07:58:25.178470  # [   33.594828] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3681 07:58:25.188414  # [   33.601241] CR2: ffff9b2f417ebfff CR3: 000000010497a001 CR4: 00000000003706e0

 3682 07:58:25.191808  # [   33.609208] Call Trace:

 3683 07:58:25.195490  # [   33.611935]  ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0

 3684 07:58:25.201758  # [   33.617005]  direct_entry.cold+0x2c/0x38

 3685 07:58:25.205253  # [   33.621383]  full_proxy_write+0x53/0x80

 3686 07:58:25.211692  # [   33.[   36.112180] lkdtm: Performing direct entry SLAB_FREE_CROSS

 3687 07:58:25.214957  625663]  vfs_write+0xe7/0x3b0

 3688 07:58:25.224819  # [   33.629360]  ksys_write+0x68[   36.119509] lkdtm: Attempting cross-cache slab free ...

 3689 07:58:25.224903  /0xf0

 3690 07:58:25.228244  # [   33.633049]  do_syscall_64+0x30/0x40

 3691 07:58:25.234605  # [   33.637036]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3692 07:58:25.238150  # [   33.642676] RIP: 0033:0x7fce2f249833

 3693 07:58:25.261007  # [   33.646663] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3694 07:58:25.268013  # [   33.667641] RSP: 002b:00007ffeebb852d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3695 07:58:25.277848  # [   33.676095] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fce2f249833

 3696 07:58:25.284144  # [   33.684062] RDX: 0000000000000019 RSI: 00007fce2f13c000 RDI: 0000000000000001

 3697 07:58:25.294205  # [   33.692029] RBP: 00007fce2f13c000 R08: 00007fce2f13b010 R09: 0000000000000000

 3698 07:58:25.300621  # [   33.699997] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3699 07:58:25.310765  # [   33.707963] R13: 00000000000000[   36.208745] lkdtm: Performing direct entry SLAB_FREE_PAGE

 3700 07:58:25.314050  01 R14: 0000000000020000 R15: 0000000000020000

 3701 07:58:25.324294  # [   33.715935][   36.218366] lkdtm: Attempting non-Slab slab free ...

 3702 07:58:25.367000   Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3703 07:58:25.373260  # [   33.767834] ---[ end trace b9cc279d67662a9c ]---

 3704 07:58:25.376460  # [   33.772988] RIP: 0010:lkdtm_BUG+0x5/0x10

 3705 07:58:25.396493  # [   33.777364] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 3706 07:58:25.403237  # [   33.798343] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 3707 07:58:25.412866  # [   33.804188] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 3708 07:58:25.419935  # [   33.812154] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 3709 07:58:25.429545  # [   33.820122] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 3710 07:58:25.435767  # [   33.828089] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3711 07:58:25.446092  # [   33.836058] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 3712 07:58:25.452587  # [   33.844027] FS:  00007fce2f333580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3713 07:58:25.459649  # [   33.853063] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3714 07:58:25.468877  # [   33.859478] CR2: ffff9b2f417ebfff CR3: 000000010497a001 CR4: 00000000003706e0

 3715 07:58:25.478931  # [   33.867447] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3716 07:58:25.485933  # [   33.877357] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat

 3717 07:58:25.492649  # [   33.885714] INFO: lockdep is turned off.

 3718 07:58:25.495564  # [   33.890089] irq event stamp: 0

 3719 07:58:25.501918  # [   33.893493] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3720 07:58:25.515384  # [   33.900491] hardirqs last disabled at (0): [<ffffffff9dcff5e[   36.413960] lkdtm: Performing direct entry EXEC_DATA

 3721 07:58:25.522056  [   36.422137] lkdtm: attempting ok execution at ffffffff9e4f5d30

 3722 07:58:25.528714  [   36.428671] lkdtm: attempting bad execution at ffffffffa0eee740

 3723 07:58:25.531702  4>] copy_process+0x664/0x1cb0

 3724 07:58:25.541695  # [   33.909640] softirqs last  e[   36.435304] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3725 07:58:25.548402  [   36.449869] BUG: unable to handle page fault for address: ffffffffa0eee740

 3726 07:58:25.554854  [   36.457547] #PF: supervisor instruction fetch in kernel mode

 3727 07:58:25.561568  [   36.463857] #PF: error_code(0x0011) - permissions violation

 3728 07:58:25.571137  [   36.470078] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 800000004a8000e3 

 3729 07:58:25.574484  nabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3730 07:58:25.581282  #[   36.477565] Oops: 0011 [#5] SMP PTI

 3731 07:58:25.587805  [   36.487667] CPU: 3 PID: 1554 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3732 07:58:25.594146  [   36.496315] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3733 07:58:25.600746  [   36.503122] RIP: 0010:data_area+0x0/0x40

 3734 07:58:25.620545  [   36.507517] Code: ff ff 00 3a 25 80 e6 8a ff ff 00 39 25 80 e6 8a 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

 3735 07:58:25.627583  [   36.528496] RSP: 0018:ffff9b2f420e7e48 EFLAGS: 00010246

 3736 07:58:25.633882  [   36.534320] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3737 07:58:25.643464  [   36.542288] RDX: 0000000000000000 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70

 3738 07:58:25.649999  [   36.550255] RBP: ffffffffa0eee740 R08: 0000000000000000 R09: 0000000000000000

 3739 07:58:25.657046  [   36.558223] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3740 07:58:25.667072  [   36.566190] R13: ffff9b2f420e7f10 R14: ffff9b2f420e7f10 R15: ffff8ae682659000

 3741 07:58:25.676653  [   36.574157] FS:  00007f73d9d77580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000

 3742 07:58:25.683208  [   36.583192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3743 07:58:25.689739  [   36.589606] CR2: ffffffffa0eee740 CR3: 0000000103c76001 CR4: 00000000003706e0

 3744 07:58:25.693312  [   36.597574] Call Trace:

 3745 07:58:25.696770  [   36.600302]  ? execute_location+0x45/0x56

 3746 07:58:25.699898  [   36.604776]  ? direct_entry.cold+0x2c/0x38

 3747 07:58:25.706229  [   36.609348]  ? full_proxy_write+0x53/0x80

 3748 07:58:25.709846  [   36.613822]  ? vfs_write+0xe7/0x3b0

 3749 07:58:25.713387  [   36.617704]  ? ksys_write+0x68/0xf0

 3750 07:58:25.716650  [   36.621595]  ? do_syscall_64+0x30/0x40

 3751 07:58:25.723261  [   36.625776]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3752 07:58:25.776266   [   33.918770] softirqs last disabled at (0): [<000000000000000[   36.631612] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3753 07:58:25.779451  [   36.683524] CR2: ffffffffa0eee740

 3754 07:58:25.785529  [   36.687223] ---[ end trace b9cc279d67662a9f ]---

 3755 07:58:25.789045  [   36.692376] RIP: 0010:lkdtm_BUG+0x5/0x10

 3756 07:58:25.809112  [   36.696742] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 3757 07:58:25.815656  [   36.717719] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 3758 07:58:25.825260  [   36.723550] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 3759 07:58:25.832338  [   36.731518] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 3760 07:58:25.838927  [   36.739485] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 3761 07:58:25.848353  [   36.747454] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3762 07:58:25.854970  [   36.755421] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 3763 07:58:25.864912  [   36.763389] FS:  00007f73d9d77580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000

 3764 07:58:25.871449  [   36.772424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3765 07:58:25.878576  [   36.778839] CR2: ffffffffa0eee740 CR3: 0000000103c76001 CR4: 00000000003706e0

 3766 07:58:25.888050  [   36.786807] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3767 07:58:25.897954  [   36.796708] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1554, name: cat

 3768 07:58:25.901143  [   36.805160] INFO: lockdep is turned off.

 3769 07:58:25.904776  [   36.809535] irq event stamp: 0

 3770 07:58:25.911262  [   36.812940] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3771 07:58:25.921155  [   36.819937] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3772 07:58:25.930722  [   36.829078] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3773 07:58:25.937612  [   36.838211] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3774 07:58:25.947765  [   36.845208] CPU: 3 PID: 1554 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3775 07:58:25.953979  [   36.853854] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3776 07:58:25.954069  [   36.860656] Call Trace:

 3777 07:58:25.960832  [   36.863382]  dump_stack+0x77/0x9b

 3778 07:58:25.964301  [   36.867079]  ___might_sleep.cold+0xa6/0xb6

 3779 07:58:25.967188  [   36.871651]  exit_signals+0x1c/0x300

 3780 07:58:25.970888  [   36.875631]  do_exit+0xc2/0xb00

 3781 07:58:25.974073  [   36.879133]  ? ksys_write+0x68/0xf0

 3782 07:58:25.980589  [   36.883023]  make_task_dead+0x2f/0x30

 3783 07:58:25.983651  [   36.887107]  rewind_stack_and_make_dead+0x17/0x20

 3784 07:58:25.987582  [   36.892357] RIP: 0033:0x7f73d9c8d833

 3785 07:58:26.009998  [   36.896344] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3786 07:58:26.016553  [   36.917314] RSP: 002b:00007ffcf0f77ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3787 07:58:26.026602  [   36.925777] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f73d9c8d833

 3788 07:58:26.033641  [   36.933750] RDX: 000000000000000a RSI: 00007f73d9b80000 RDI: 0000000000000001

 3789 07:58:26.043461  [   36.941724] RBP: 00007f73d9b80000 R08: 00007f73d9b7f010 R09: 0000000000000000

 3790 07:58:26.049823  [   36.949698] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3791 07:58:26.056578  [   36.957673] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3792 07:58:26.059784  0>] 0x0

 3793 07:58:26.066309  # [   33.925767] CPU: 2 PID: 978 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3794 07:58:26.073135  # [   33.934318] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3795 07:58:26.076153  # [   33.941122] Call Trace:

 3796 07:58:26.082753  # [   33.943849]  dump_stack+0x77/0x9b

 3797 07:58:26.086047  # [   33.947545]  ___might_sleep.cold+0xa6/0xb6

 3798 07:58:26.089623  # [   33.952116]  exit_signals+0x1c/0x300

 3799 07:58:26.092703  # [   33.956105]  do_exit+0xc2/0xb00

 3800 07:58:26.099256  # [   33.959607]  ? ksys_write+0x68/0xf0

 3801 07:58:26.102509  # [   33.963499]  make_task_dead+0x2f/0x30

 3802 07:58:26.109293  # [   33.967585]  rewind_stack_and_make_dead+0x17/0x20

 3803 07:58:26.112407  # [   33.972833] RIP: 0033:0x7fce2f249833

 3804 07:58:26.131995  # [   33.976821] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3805 07:58:26.142013  # [   33.997802] RSP: 002b:00007ffeebb852d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3806 07:58:26.149104  # [   34.006255] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fce2f249833

 3807 07:58:26.161753  # [   34.014235] RDX: 0000000000000019 RSI: 00007fce2f13c000 RDI: 00000000000[   37.063254] lkdtm: Performing direct entry EXEC_STACK

 3808 07:58:26.161850  00001

 3809 07:58:26.175248  # [   34.022234] RBP: 00007fce2f13c000 R08: 00007fce2f13b[   37.070773] lkdtm: attempting ok execution at ffffffff9e4f5d30

 3810 07:58:26.178812  010 R09: 0000000000000000

 3811 07:58:26.188197  # [   34.030201] R10: fffffffffffffbc[   37.083499] lkdtm: attempting bad execution at ffff9b2f42177e18

 3812 07:58:26.192095  5 R11: 0000000000000246 R12: 0000000000000001

 3813 07:58:26.201977  # [   34.038169] [   37.096321] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3814 07:58:26.211596  [   37.110884] BUG: unable to handle page fault for address: ffff9b2f42177e18

 3815 07:58:26.218277  [   37.118560] #PF: supervisor instruction fetch in kernel mode

 3816 07:58:26.225335  [   37.124876] #PF: error_code(0x0011) - permissions violation

 3817 07:58:26.231719  [   37.131097] PGD 100000067 P4D 100000067 PUD 100214067 PMD 10487a067 PTE 8000000102ad9063

 3818 07:58:26.241341  R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000[   37.140138] Oops: 0011 [#6] SMP PTI

 3819 07:58:26.251332  [   37.150241] CPU: 1 PID: 1590 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3820 07:58:26.258020  [   37.158888] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3821 07:58:26.261139  [   37.165691] RIP: 0010:0xffff9b2f42177e18

 3822 07:58:26.284231  [   37.170058] Code: 00 00 18 7e 17 42 2f 9b ff ff 71 6d b7 9e ff ff ff ff 20 00 00 00 00 00 00 00 be ee 6c 9f ff ff ff ff a0 6e b7 9e 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

 3823 07:58:26.287612  [   37.191039] RSP: 0018:ffff9b2f42177df8 EFLAGS: 00010246

 3824 07:58:26.297562  [   37.196871] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3825 07:58:26.304058  [   37.204838] RDX: 0000000000000000 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70

 3826 07:58:26.313829  [   37.212806] RBP: ffff9b2f42177e18 R08: 0000000000000000 R09: 0000000000000000

 3827 07:58:26.320892  [   37.220774] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3828 07:58:26.330704  [   37.228740] R13: ffff9b2f42177f10 R14: ffff9b2f42177f10 R15: ffff8ae6835d5000

 3829 07:58:26.337531  [   37.236707] FS:  00007f8ba6e81580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 3830 07:58:26.343797  [   37.245742] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3831 07:58:26.353353  [   37.252156] CR2: ffff9b2f42177e18 CR3: 00000001046d0005 CR4: 00000000003706e0

 3832 07:58:26.353440  [   37.260123] Call Trace:

 3833 07:58:26.359767  [   37.262852]  ? execute_location+0x45/0x56

 3834 07:58:26.359853  0

 3835 07:58:26.363017  # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok

 3836 07:58:26.370157  ok 12 self[   37.267327]  ? lkdtm_EXEC_STACK+0x26/0x44

 3837 07:58:26.373131  [   37.278012]  ? direct_entry.cold+0x2c/0x38

 3838 07:58:26.379853  [   37.282586]  ? full_proxy_write+0x53/0x80

 3839 07:58:26.383046  tests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3840 07:58:26.389915  # selftests: lkdtm: S[   37.287061]  ? vfs_write+0xe7/0x3b0

 3841 07:58:26.393008  [   37.297162]  ? ksys_write+0x68/0xf0

 3842 07:58:26.396151  [   37.301054]  ? do_syscall_64+0x30/0x40

 3843 07:58:26.402864  [   37.305236]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3844 07:58:26.406225  TACK_GUARD_PAGE_TRAILING.sh

 3845 07:58:26.409476  # Segmentation fault

 3846 07:58:26.455635  # [   34.1755[   37.311071] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3847 07:58:26.459359  [   37.362926] CR2: ffff9b2f42177e18

 3848 07:58:26.462416  [   37.366623] ---[ end trace b9cc279d67662aa0 ]---

 3849 07:58:26.469011  [   37.371768] RIP: 0010:lkdtm_BUG+0x5/0x10

 3850 07:58:26.489179  [   37.376143] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 3851 07:58:26.495669  [   37.397123] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 3852 07:58:26.501887  [   37.402946] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 3853 07:58:26.512086  [   37.410914] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 3854 07:58:26.518142  [   37.418880] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 3855 07:58:26.528527  [   37.426848] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3856 07:58:26.534808  [   37.434815] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 3857 07:58:26.544607  [   37.442784] FS:  00007f8ba6e81580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 3858 07:58:26.551367  [   37.451819] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3859 07:58:26.558020  [   37.458235] CR2: ffff9b2f42177e18 CR3: 00000001046d0005 CR4: 00000000003706e0

 3860 07:58:26.564446  14] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3861 07:58:26.571844  # [   34.183802] lkdtm: attempting bad read from page above current stack

 3862 07:58:26.581328  # [   34.190913] BUG: stack guard page was hit at 000000008263dcb0 (stack is 00000000567cc724..0000000045fd19ce)

 3863 07:58:26.591185  # [   34.201803] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3864 07:58:26.597841  # [   34.208608] CPU: 2 PID: 1011 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3865 07:58:26.604131  # [   34.217248] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3866 07:58:26.610881  # [   34.224054] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3867 07:58:26.634007  # [   34.230664] Code: 98 fd ff 0f 1f 44 00 00 53 48 c7 c7 70 f6 6c 9f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f9 97 fd ff 48 c7 c7 b0 f6 6c 9f <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 dc 97 fd ff

 3868 07:58:26.640770  # [   34.251646] RSP: 0018:ffff9b2f4187fe50 EFLAGS: 00010246

 3869 07:58:26.647107  # [   34.257469] RAX: 0000000000000038 RBX: ffff9b2f4187c000 RCX: 0000000000000000

 3870 07:58:26.656779  # [   34.265438] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f6cf6b0

 3871 07:58:26.663512  # [   34.273406] RBP: ffffffff9f6ced7b R08: 0000000000000000 R09: 0000000000000000

 3872 07:58:26.673381  # [   34.281373] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3873 07:58:26.680480  # [   34.289341] R13: ffff9b2f4187ff10 R14: ffff9b2f4187ff10 R15: ffff8ae683766000

 3874 07:58:26.690057  # [   34.297309] FS:  00007f9c685d9580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3875 07:58:26.696412  # [   34.306345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3876 07:58:26.703159  # [   34.312760] CR2: ffff9b2f41880000 CR3: 0000000106e86006 CR4: 00000000003706e0

 3877 07:58:26.706507  # [   34.320728] Call Trace:

 3878 07:58:26.712968  # [   34.323454]  ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a

 3879 07:58:26.716328  # [   34.329288]  direct_entry.cold+0x2c/0x38

 3880 07:58:26.723259  # [   34.333657]  full_proxy_write+0x53/0x80

 3881 07:58:26.727018  # [   34.337939]  vfs_write+0xe7/0x3b0

 3882 07:58:26.729831  # [   34.341635]  ksys_write+0x68/0xf0

 3883 07:58:26.733364  # [   34.345333]  do_syscall_64+0x30/0x40

 3884 07:58:26.742874  # [   34.349321]  entry_SYSCALL_64_after_hwfr[   37.642047] lkdtm: Performing direct entry EXEC_KMALLOC

 3885 07:58:26.749761  [   37.652296] lkdtm: attempting ok execution at ffffffff9e4f5d30

 3886 07:58:26.752620  ame+0x61/0xc6

 3887 07:58:26.756038  # [   34.354951] RIP: 0033:0x7f9c684ef833

 3888 07:58:26.762606  # [   [   37.658845] lkdtm: attempting bad execution at ffff8ae685f5ad00

 3889 07:58:26.772898  [   37.671683] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3890 07:58:26.785782  34.358939] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff[   37.680049] BUG: unable to handle page fault for address: ffff8ae685f5ad00

 3891 07:58:26.792422  [   37.693939] #PF: supervisor instruction fetch in kernel mode

 3892 07:58:26.798862  [   37.700257] #PF: error_code(0x0011) - permissions violation

 3893 07:58:26.808816  [   37.706477] PGD 4aa01067 P4D 4aa01067 PUD 10084f063 PMD 105eb5063 PTE 8000000105f5a063

 3894 07:58:26.812529  [   37.715322] Oops: 0011 [#7] SMP PTI

 3895 07:58:26.819035  [   37.719212] CPU: 3 PID: 1626 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3896 07:58:26.825355  [   37.727858] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3897 07:58:26.832180  [   37.734664] RIP: 0010:0xffff8ae685f5ad00

 3898 07:58:26.851847  [   37.739039] Code: ad de 00 66 8c 82 e6 8a ff ff 80 ab f5 85 e6 8a ff ff 00 00 00 00 00 00 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 17 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 3899 07:58:26.858623  [   37.760019] RSP: 0018:ffff9b2f4220fe38 EFLAGS: 00010246

 3900 07:58:26.864923  [   37.765852] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3901 07:58:26.874758  [   37.773818] RDX: 0000000000000000 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70

 3902 07:58:26.881507  [   37.781786] RBP: ffff8ae685f5ad00 R08: 0000000000000000 R09: 0000000000000000

 3903 07:58:26.891676  [   37.789753] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 3904 07:58:26.897944  [   37.797720] R13: ffff9b2f4220ff10 R14: ffff9b2f4220ff10 R15: ffff8ae684955000

 3905 07:58:26.907773  [   37.805687] FS:  00007fea2129e580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000

 3906 07:58:26.914340  [   37.814721] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3907 07:58:26.921150  [   37.821137] CR2: ffff8ae685f5ad00 CR3: 00000001028c2006 CR4: 00000000003706e0

 3908 07:58:26.924542  [   37.829105] Call Trace:

 3909 07:58:26.928043  [   37.831833]  ? execute_location+0x45/0x56

 3910 07:58:26.934689  [   37.836322]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 3911 07:58:26.937902  [   37.840989]  ? direct_entry.cold+0x2c/0x38

 3912 07:58:26.940978  [   37.845562]  ? full_proxy_write+0x53/0x80

 3913 07:58:26.947682  [   37.850034]  ? vfs_write+0xe7/0x3b0

 3914 07:58:26.950986  [   37.853916]  ? ksys_write+0x68/0xf0

 3915 07:58:26.954651  [   37.857808]  ? do_syscall_64+0x30/0x40

 3916 07:58:26.961248  [   37.861990]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3917 07:58:27.010155   ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 [   37.867825] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3918 07:58:27.017292  [   37.919721] CR2: ffff8ae685f5ad00

 3919 07:58:27.020500  [   37.923409] ---[ end trace b9cc279d67662aa1 ]---

 3920 07:58:27.023394  [   37.928562] RIP: 0010:lkdtm_BUG+0x5/0x10

 3921 07:58:27.046393  [   37.932937] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 3922 07:58:27.053007  [   37.953918] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 3923 07:58:27.059764  [   37.959741] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 3924 07:58:27.066299  [   37.967708] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 3925 07:58:27.076617  [   37.975677] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 3926 07:58:27.082742  [   37.983644] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3927 07:58:27.093102  [   37.991612] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 3928 07:58:27.099319  [   37.999579] FS:  00007fea2129e580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000

 3929 07:58:27.105839  [   38.008614] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3930 07:58:27.116357  [   38.015028] CR2: ffff8ae685f5ad00 CR3: 00000001028c2006 CR4: 00000000003706e0

 3931 07:58:27.125796  [   38.022997] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3932 07:58:27.132286  [   38.032908] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1626, name: cat

 3933 07:58:27.138964  [   38.041359] INFO: lockdep is turned off.

 3934 07:58:27.142425  [   38.045746] irq event stamp: 0

 3935 07:58:27.148846  [   38.049150] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3936 07:58:27.159012  [   38.056149] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3937 07:58:27.165668  [   38.065285] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 3938 07:58:27.172186  [   38.074420] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3939 07:58:27.182099  [   38.081418] CPU: 3 PID: 1626 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3940 07:58:27.188373  [   38.090065] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3941 07:58:27.192330  [   38.096867] Call Trace:

 3942 07:58:27.195395  [   38.099611]  dump_stack+0x77/0x9b

 3943 07:58:27.198440  [   38.103309]  ___might_sleep.cold+0xa6/0xb6

 3944 07:58:27.205462  [   38.107871]  exit_signals+0x1c/0x300

 3945 07:58:27.208447  [   38.111850]  do_exit+0xc2/0xb00

 3946 07:58:27.211370  [   38.115354]  ? ksys_write+0x68/0xf0

 3947 07:58:27.214752  [   38.119247]  make_task_dead+0x2f/0x30

 3948 07:58:27.221195  [   38.123331]  rewind_stack_and_make_dead+0x17/0x20

 3949 07:58:27.224838  [   38.128593] RIP: 0033:0x7fea211b4833

 3950 07:58:27.244521  [   38.132582] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3951 07:58:27.254419  [   38.153561] RSP: 002b:00007ffc4f4400c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3952 07:58:27.261264  [   38.162007] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fea211b4833

 3953 07:58:27.270925  [   38.169975] RDX: 000000000000000d RSI: 00007fea210a7000 RDI: 0000000000000001

 3954 07:58:27.277611  [   38.177943] RBP: 00007fea210a7000 R08: 00007fea210a6010 R09: 0000000000000000

 3955 07:58:27.287499  [   38.185910] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3956 07:58:27.293762  [   38.193878] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3957 07:58:27.300630  00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3958 07:58:27.310475  # [   34.379920] RSP: 002b:00007fff38fc90b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3959 07:58:27.320529  # [   34.388374] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f9c684ef833

 3960 07:58:27.327436  # [   34.396341] RDX: 000000000000001a RSI: 00007f9c683e2000 RDI: 0000000000000001

 3961 07:58:27.333564  # [   34.404310] RBP: 00007f9c683e2000 R08: 00007f9c683e1010 R09: 0000000000000000

 3962 07:58:27.343731  # [   34.412276] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3963 07:58:27.349854  # [   34.420245] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3964 07:58:27.396191  # [   34.428216] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3965 07:58:27.403471  # [   34.480116] ---[ end trace b9cc279d67662a9d ]---

 3966 07:58:27.412589  # [   34.485277] RIP: 0010:lkdtm[   38.308999] lkdtm: Performing direct entry EXEC_VMALLOC

 3967 07:58:27.419548  [   38.319600] lkdtm: attempting ok execution at ffffffff9e4f5d30

 3968 07:58:27.426001  [   38.326126] lkdtm: attempting bad execution at ffff9b2f40379000

 3969 07:58:27.432647  [   38.332768] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3970 07:58:27.435943  _BUG+0x5/0x10

 3971 07:58:27.445500  # [   34.489656] Code: 89 ff e8 ae 5b a2 ff 48 c7[   38.341132] BUG: unable to handle page fault for address: ffff9b2f40379000

 3972 07:58:27.452258  [   38.355025] #PF: supervisor instruction fetch in kernel mode

 3973 07:58:27.459202  [   38.361346] #PF: error_code(0x0011) - permissions violation

 3974 07:58:27.475742   c[0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7    38.367568] PGD 100000067 P4D 100000067 PUD 100214067 PMD 100949067 PTE 8000000102870063

 3975 07:58:27.479160  [   38.382826] Oops: 0011 [#8] SMP PTI

 3976 07:58:27.488898  [   38.386718] CPU: 2 PID: 1662 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 3977 07:58:27.495335  [   38.395367] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3978 07:58:27.498988  [   38.402171] RIP: 0010:0xffff9b2f40379000

 3979 07:58:27.505222  [   38.406540] Code: Unable to access opcode bytes at RIP 0xffff9b2f40378fd6.

 3980 07:58:27.512069  [   38.414215] RSP: 0018:ffff9b2f4229fe38 EFLAGS: 00010246

 3981 07:58:27.522235  [   38.420047] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3982 07:58:27.528309  [   38.428014] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffff8ae6fad1bf70

 3983 07:58:27.534743  [   38.435982] RBP: ffff9b2f40379000 R08: 0000000000000000 R09: 0000000000000000

 3984 07:58:27.544794  [   38.443950] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 3985 07:58:27.551380  [   38.451917] R13: ffff9b2f4229ff10 R14: ffff9b2f4229ff10 R15: ffff8ae682870000

 3986 07:58:27.561142  [   38.459887] FS:  00007fa233171580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 3987 07:58:27.567615  [   38.468922] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3988 07:58:27.574473  [   38.475336] CR2: ffff9b2f40378fd6 CR3: 0000000104940004 CR4: 00000000003706e0

 3989 07:58:27.577744  [   38.483305] Call Trace:

 3990 07:58:27.580997  [   38.486034]  ? execute_location+0x45/0x56

 3991 07:58:27.587894  [   38.490509]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 3992 07:58:27.591249  [   38.495177]  ? direct_entry.cold+0x2c/0x38

 3993 07:58:27.597494  [   38.499739]  ? full_proxy_write+0x53/0x80

 3994 07:58:27.600818  [   38.504214]  ? vfs_write+0xe7/0x3b0

 3995 07:58:27.604247  [   38.508104]  ? ksys_write+0x68/0xf0

 3996 07:58:27.607678  [   38.511987]  ? do_syscall_64+0x30/0x40

 3997 07:58:27.613880  [   38.516169]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3998 07:58:27.667081  c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00[   38.522006] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3999 07:58:27.670394  [   38.573900] CR2: ffff9b2f40379000

 4000 07:58:27.673255  [   38.577588] ---[ end trace b9cc279d67662aa2 ]---

 4001 07:58:27.680161  [   38.582733] RIP: 0010:lkdtm_BUG+0x5/0x10

 4002 07:58:27.699969  [   38.587100] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 4003 07:58:27.706462  [   38.608079] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 4004 07:58:27.712963  [   38.613910] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 4005 07:58:27.723311  [   38.621880] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 4006 07:58:27.729567  [   38.629848] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 4007 07:58:27.739806  [   38.637816] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4008 07:58:27.746002  [   38.645785] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 4009 07:58:27.755961  [   38.653752] FS:  00007fa233171580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 4010 07:58:27.762782  [   38.662788] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4011 07:58:27.768905  [   38.669202] CR2: ffff9b2f40378fd6 CR3: 0000000104940004 CR4: 00000000003706e0

 4012 07:58:27.772298   00 00 0f 1f 44 00 00 83 05 90 8d 9f 02

 4013 07:58:27.778659  # [   34.510626] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 4014 07:58:27.788988  # [   34.516460] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 4015 07:58:27.795332  # [   34.524427] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 4016 07:58:27.805463  # [   34.532397] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 4017 07:58:27.811837  # [   34.540367] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4018 07:58:27.818444  # [   34.548334] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 4019 07:58:27.828443  # [   34.556302] FS:  00007f9c685d9580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 4020 07:58:27.835299  # [   34.565339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4021 07:58:27.844860  # [   34.571755] CR2: ffff9b2f41880000 CR3: 0000000106e86006 CR4: 00000000003706e0

 4022 07:58:27.848079  # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok

 4023 07:58:27.854666  ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 4024 07:58:27.858025  # selftests: lkdtm: UNSET_SMEP.sh

 4025 07:58:27.864831  # [   34.659384] lkdtm: Performing direct entry UNSET_SMEP

 4026 07:58:27.874698  # [   34.666218] lkdtm: trying to clear SMEP normally[   38.774677] lkdtm: Performing direct entry EXEC_RODATA

 4027 07:58:27.874789  

 4028 07:58:27.881274  # [   34.677615] ------------[ cut here ]------------

 4029 07:58:27.887541  # [   3[   38.782397] lkdtm: attempting ok execution at ffffffff9e4f5d30

 4030 07:58:27.890814  4.688986] pinned CR4 bits changed: 0x100000!?

 4031 07:58:27.900678  # [   34.700269] [   38.795128] lkdtm: attempting bad execution at ffffffff9f2d5f00

 4032 07:58:27.913772  WARNING: CPU: 0 PID: 1047 at arch/x86/kernel/cpu/common.c:392 na[   38.807977] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4033 07:58:27.920837  [   38.822544] BUG: unable to handle page fault for address: ffffffff9f2d5f00

 4034 07:58:27.926973  [   38.830221] #PF: supervisor instruction fetch in kernel mode

 4035 07:58:27.933941  [   38.836541] #PF: error_code(0x0011) - permissions violation

 4036 07:58:27.936843  ti[ve_write_cr4+0x45/0x60

 4037 07:58:27.947290  # [   34.716677] Modules linked in: fu   38.842762] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 8000000048c000e1 

 4038 07:58:27.953927  [   38.856466] Oops: 0011 [#9] SMP PTI

 4039 07:58:27.960002  [   38.860358] CPU: 1 PID: 1698 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4040 07:58:27.966792  [   38.869005] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4041 07:58:27.973702  [   38.875811] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4042 07:58:27.999798  se ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_c[   38.881547] Code: ff ff 10 83 b7 9e ff ff ff ff 0a f1 6c 9f ff ff ff ff 56 6a b7 9e 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

 4043 07:58:28.006500  [   38.908738] RSP: 0018:ffff9b2f42347e48 EFLAGS: 00010246

 4044 07:58:28.013454  [   38.914570] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4045 07:58:28.022836  [   38.922538] RDX: 0000000000000000 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70

 4046 07:58:28.029961  [   38.930506] RBP: ffffffff9f2d5f00 R08: 0000000000000000 R09: 0000000000000000

 4047 07:58:28.039876  [   38.938473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4048 07:58:28.046435  [   38.946440] R13: ffff9b2f42347f10 R14: ffff9b2f42347f10 R15: ffff8ae683702000

 4049 07:58:28.056161  [   38.954408] FS:  00007fb6770e1580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 4050 07:58:28.062711  [   38.963445] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4051 07:58:28.069622  [   38.969858] CR2: ffffffff9f2d5f00 CR3: 000000010364a001 CR4: 00000000003706e0

 4052 07:58:28.072466  [   38.977826] Call Trace:

 4053 07:58:28.075519  [   38.980555]  ? execute_location+0x45/0x56

 4054 07:58:28.089261  ore industrialio_triggered_buffer kfifo_buf industrialio cros_us[   38.985050]  ? direct_entry.cold+0x2c/0x38

 4055 07:58:28.092623  [   38.995832]  ? full_proxy_write+0x53/0x80

 4056 07:58:28.102054  bpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvc[   39.000308]  ? vfs_write+0xe7/0x3b0

 4057 07:58:28.105662  [   39.010407]  ? ksys_write+0x68/0xf0

 4058 07:58:28.111887  [   39.014298]  ? do_syscall_64+0x30/0x40

 4059 07:58:28.115545  [   39.018471]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4060 07:58:28.168042  video cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videob[   39.024325] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4061 07:58:28.171165  [   39.076186] CR2: ffffffff9f2d5f00

 4062 07:58:28.177851  [   39.079873] ---[ end trace b9cc279d67662aa3 ]---

 4063 07:58:28.181044  [   39.085026] RIP: 0010:lkdtm_BUG+0x5/0x10

 4064 07:58:28.201079  [   39.089394] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 4065 07:58:28.207500  [   39.110373] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 4066 07:58:28.217255  [   39.116205] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 4067 07:58:28.223924  [   39.124219] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 4068 07:58:28.233953  [   39.132202] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 4069 07:58:28.240413  [   39.140182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4070 07:58:28.247238  [   39.148167] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 4071 07:58:28.256935  [   39.156153] FS:  00007fb6770e1580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 4072 07:58:28.263478  [   39.165193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4073 07:58:28.270796  [   39.171607] CR2: ffffffff9f2d5f00 CR3: 000000010364a001 CR4: 00000000003706e0

 4074 07:58:28.280224  [   39.179574] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4075 07:58:28.290070  [   39.189484] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1698, name: cat

 4076 07:58:28.293381  [   39.197936] INFO: lockdep is turned off.

 4077 07:58:28.296788  [   39.202312] irq event stamp: 0

 4078 07:58:28.303555  [   39.205716] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4079 07:58:28.313212  [   39.212716] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4080 07:58:28.323137  [   39.221848] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4081 07:58:28.329686  [   39.230996] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4082 07:58:28.339501  [   39.237994] CPU: 1 PID: 1698 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4083 07:58:28.346191  [   39.246640] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4084 07:58:28.349285  [   39.253442] Call Trace:

 4085 07:58:28.353368  [   39.256167]  dump_stack+0x77/0x9b

 4086 07:58:28.355956  [   39.259866]  ___might_sleep.cold+0xa6/0xb6

 4087 07:58:28.359715  [   39.264427]  exit_signals+0x1c/0x300

 4088 07:58:28.363063  [   39.268406]  do_exit+0xc2/0xb00

 4089 07:58:28.369703  [   39.271913]  ? ksys_write+0x68/0xf0

 4090 07:58:28.372458  [   39.275805]  make_task_dead+0x2f/0x30

 4091 07:58:28.376013  [   39.279892]  rewind_stack_and_make_dead+0x17/0x20

 4092 07:58:28.382921  [   39.285143] RIP: 0033:0x7fb676ff7833

 4093 07:58:28.402280  [   39.289130] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4094 07:58:28.412523  [   39.310110] RSP: 002b:00007fff2aa92c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4095 07:58:28.419361  [   39.318564] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fb676ff7833

 4096 07:58:28.425373  [   39.326531] RDX: 000000000000000c RSI: 00007fb676eea000 RDI: 0000000000000001

 4097 07:58:28.435362  [   39.334500] RBP: 00007fb676eea000 R08: 00007fb676ee9010 R09: 0000000000000000

 4098 07:58:28.442362  [   39.342467] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4099 07:58:28.451996  [   39.350434] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4100 07:58:28.468629  uf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4101 07:58:28.474915  # [   34.768547] CPU: 0 PID: 1047 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4102 07:58:28.484812  # [   34.783405] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4103 07:58:28.488046  # [   34.796435] RIP: 0010:native_write_cr4+0x45/0x60

 4104 07:58:28.510935  # [   34.807801] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 29 d9 e3 01 00 75 f2 48 c7 c7 18 c6 60 9f c6 05 19 d9 e3 01 01 e8 c8 6f e8 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 4105 07:58:28.514472  # [   34.835007] RSP: 0018:ffff9b2f418efe48 EFLAGS: 00010286

 4106 07:58:28.524185  # [   34.847061] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000

 4107 07:58:28.530735  # [   34.861328] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 4108 07:58:28.540989  # [   34.875447] RBP: ffffffff9f6ced95 R08: 0000000000000000 R09: 0000000000000000

 4109 07:58:28.547334  # [   34.889723] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4110 07:58:28.557197  # [   34.903939] R13: ffff9b2f418eff10 R14: ffff9b2f418eff10 R15: ffff8ae6832d4000

 4111 07:58:28.567564  # [   34.918059] FS:  00007f6eb027f580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 4112 07:58:28.573809  # [   34.933310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4113 07:58:28.580472  # [   34.945951] CR2: 00007f6eb0088000 CR3: 0000000103c66004 CR4: 00000000003706f0

 4114 07:58:28.583633  # [   34.960157] Call Trace:

 4115 07:58:28.590960  # [   34.969114]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 4116 07:58:28.593832  # [   34.980246]  direct_entry.cold+0x2c/0x38

 4117 07:58:28.597125  # [   34.990765]  full_proxy_write+0x53/0x80

 4118 07:58:28.607176  # [   35.001285]  [   39.501826] lkdtm: Performing direct entry EXEC_USERSPACE

 4119 07:58:28.607264  vfs_write+0xe7/0x3b0

 4120 07:58:28.610598  # [   35.011207]  ksys_write+0x68/0xf0

 4121 07:58:28.617182  # [   39.513672] lkdtm: attempting ok execution at ffffffff9e4f5d30

 4122 07:58:28.623947  [   35.021167]  do_syscall_64+0x30/0x40

 4123 07:58:28.630163  # [   35.031349]  entry[   39.526407] lkdtm: attempting bad execution at 00007f882695c000

 4124 07:58:28.633786  _SYSCALL_64_after_hwframe+0x61/0xc6

 4125 07:58:28.643603  # [   35.043187] RIP: 0033:[   39.539218] unable to execute userspace code (SMEP?) (uid: 0)

 4126 07:58:28.653017  [   39.551829] BUG: unable to handle page fault for address: 00007f882695c000

 4127 07:58:28.656308  [   39.559506] #PF: supervisor instruction fetch in kernel mode

 4128 07:58:28.662927  [   39.565815] #PF: error_code(0x0011) - permissions violation

 4129 07:58:28.672736  [   39.572035] PGD 8000000105dae067 P4D 8000000105dae067 PUD 1046f4067 PMD 103347067 PTE 10bc8f067

 4130 07:58:28.679648  [   39.581761] Oops: 0011 [#10] SMP PTI

 4131 07:58:28.686110  [   39.585740] CPU: 0 PID: 1734 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4132 07:58:28.692639  [   39.594388] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4133 07:58:28.696046  [   39.601194] RIP: 0010:0x7f882695c000

 4134 07:58:28.705832  [   39.605181] Code: Unable to access opcode bytes at RIP 0x7f882695bfd6.

 4135 07:58:28.709424  [   39.612471] RSP: 0018:ffff9b2f423e7e50 EFLAGS: 00010246

 4136 07:58:28.719230  [   39.618304] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4137 07:58:28.725578  [   39.626273] RDX: 0000000000000000 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 4138 07:58:28.735838  [   39.634242] RBP: 00007f882695c000 R08: 0000000000000000 R09: 0000000000000000

 4139 07:58:28.742551  [   39.642212] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 4140 07:58:28.748881  [   39.650181] R13: ffff9b2f423e7f10 R14: ffff9b2f423e7f10 R15: ffff8ae6813ef000

 4141 07:58:28.758660  [   39.658151] FS:  00007f882692d580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 4142 07:58:28.765454  [   39.667186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4143 07:58:28.775078  [   39.673600] CR2: 00007f882695c000 CR3: 0000000103890001 CR4: 00000000003706f0

 4144 07:58:28.775167  [   39.681567] Call Trace:

 4145 07:58:28.781893  [   39.684296]  ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae

 4146 07:58:28.785338  [   39.689649]  ? direct_entry.cold+0x2c/0x38

 4147 07:58:28.791874  [   39.694223]  ? full_proxy_write+0x53/0x80

 4148 07:58:28.795177  [   39.698703]  ? vfs_write+0xe7/0x3b0

 4149 07:58:28.798656  [   39.702599]  ? ksys_write+0x68/0xf0

 4150 07:58:28.801462  [   39.706491]  ? do_syscall_64+0x30/0x40

 4151 07:58:28.808285  [   39.710681]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4152 07:58:28.854255  [   39.716517] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4153 07:58:28.857748  [   39.762193] CR2: 00007f882695c000

 4154 07:58:28.864201  [   39.765890] ---[ end trace b9cc279d67662aa4 ]---

 4155 07:58:28.867447  [   39.771037] RIP: 0010:lkdtm_BUG+0x5/0x10

 4156 07:58:28.887471  [   39.775413] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 4157 07:58:28.893754  [   39.796395] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 4158 07:58:28.903757  [   39.802227] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 4159 07:58:28.910318  [   39.810195] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 4160 07:58:28.916872  [   39.818162] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 4161 07:58:28.927165  [   39.826130] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4162 07:58:28.933693  [   39.834098] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 4163 07:58:28.943361  [   39.842067] FS:  00007f882692d580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 4164 07:58:28.950310  [   39.851095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4165 07:58:28.956637  [   39.857510] CR2: 00007f882695c000 CR3: 0000000103890001 CR4: 00000000003706f0

 4166 07:58:28.960198  0x7f6eb0195833

 4167 07:58:28.980038  # [   35.053415] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4168 07:58:28.989652  # [   35.080615] RSP: 002b:00007ffdcc43ebe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4169 07:58:28.995966  # [   35.095301] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6eb0195833

 4170 07:58:29.006160  # [   35.109482] RDX: 000000000000000b RSI: 00007f6eb0088000 RDI: 0000000000000001

 4171 07:58:29.012429  # [   35.123672] RBP: 00007f6eb0088000 R08: 00007f6eb0087010 R09: 0000000000000000

 4172 07:58:29.022503  # [   35.137865] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4173 07:58:29.029275  # [   35.152070] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4174 07:58:29.032520  # [   35.166245] irq event stamp: 0

 4175 07:58:29.039293  # [   35.175875] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4176 07:58:29.049244  # [   35.189089] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4177 07:58:29.059064  # [   35.204451] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4178 07:58:29.068720  # [   35.219793] softirqs last disabled at[   39.969252] lkdtm: Performing direct entry EXEC_NULL

 4179 07:58:29.072600   (0): [<0000000000000000>] 0x0

 4180 07:58:29.081872  # [   35.233022] ---[ end trace [   39.976716] lkdtm: attempting ok execution at ffffffff9e4f5d30

 4181 07:58:29.085274  b9cc279d67662a9e ]---

 4182 07:58:29.095583  # [   35.244386] lkdtm: ok: SMEP did not [   39.989442] lkdtm: attempting bad execution at 0000000000000000

 4183 07:58:29.095673  get cleared

 4184 07:58:29.108474  # [   35.255679] lkdtm: trying to clear SMEP with c[   40.002265] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4185 07:58:29.115209  [   40.016251] #PF: supervisor instruction fetch in kernel mode

 4186 07:58:29.121465  [   40.022570] #PF: error_code(0x0010) - not-present page

 4187 07:58:29.121551  [   40.028297] PGD 0 P4D 0 

 4188 07:58:29.125187  all gadget

 4189 07:58:29.135005  # [   35.267819] lkdtm: ok: SMEP removal was reverte[   40.031123] Oops: 0010 [#11] SMP PTI

 4190 07:58:29.141805  [   40.041332] CPU: 1 PID: 1770 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4191 07:58:29.148329  [   40.049982] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4192 07:58:29.151271  [   40.056787] RIP: 0010:0x0

 4193 07:58:29.157724  [   40.059698] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 4194 07:58:29.164471  [   40.067367] RSP: 0018:ffff9b2f42457e48 EFLAGS: 00010246

 4195 07:58:29.174208  [   40.073198] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4196 07:58:29.181138  [   40.081166] RDX: 0000000000000000 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70

 4197 07:58:29.187819  [   40.089134] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4198 07:58:29.198044  [   40.097101] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4199 07:58:29.204332  [   40.105069] R13: ffff9b2f42457f10 R14: ffff9b2f42457f10 R15: ffff8ae682ad0000

 4200 07:58:29.213909  [   40.113037] FS:  00007fd415079580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 4201 07:58:29.220830  [   40.122074] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4202 07:58:29.227493  [   40.128479] CR2: ffffffffffffffd6 CR3: 000000010388a006 CR4: 00000000003706e0

 4203 07:58:29.230903  [   40.136447] Call Trace:

 4204 07:58:29.237445  [   40.139175]  execute_location+0x45/0x56

 4205 07:58:29.237532  d

 4206 07:58:29.240687  # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok

 4207 07:58:29.247108  ok 14 selft[   40.143477]  direct_entry.cold+0x2c/0x38

 4208 07:58:29.250455  [   40.154066]  full_proxy_write+0x53/0x80

 4209 07:58:29.254002  ests: lkdtm: UNSET_SMEP.sh

 4210 07:58:29.257132  # selftests: lkdtm: DOUBLE_FAULT.sh

 4211 07:58:29.260112  [   40.158349]  vfs_write+0xe7/0x3b0

 4212 07:58:29.263488  [   40.168254]  ksys_write+0x68/0xf0

 4213 07:58:29.266675  [   40.171944]  do_syscall_64+0x30/0x40

 4214 07:58:29.273744  [   40.175933]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4215 07:58:29.276824  [   40.181572] RIP: 0033:0x7fd414f8f833

 4216 07:58:29.299867  [   40.185559] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4217 07:58:29.306387  [   40.206537] RSP: 002b:00007ffd915f0918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4218 07:58:29.316610  [   40.215007] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd414f8f833

 4219 07:58:29.316698  

 4220 07:58:29.319973  # [   35.360211] lkdtm: Performing direct entry DOUBLE_FAULT

 4221 07:58:29.329676  #[   40.222998] RDX: 000000000000000a RSI: 00007fd414e82000 RDI: 0000000000000001

 4222 07:58:29.336026  [   40.237179] RBP: 00007fd414e82000 R08: 00007fd414e81010 R09: 0000000000000000

 4223 07:58:29.345871  [   40.245147] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4224 07:58:29.352558  [   40.253115] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4225 07:58:29.359450   [   35.372020] lkdtm: XFAIL: this test is ia32-only

 4226 07:58:29.405293  # DOUBLE_F[   40.261086] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4227 07:58:29.408929  [   40.312945] CR2: 0000000000000000

 4228 07:58:29.415239  [   40.316642] ---[ end trace b9cc279d67662aa5 ]---

 4229 07:58:29.418352  [   40.321816] RIP: 0010:lkdtm_BUG+0x5/0x10

 4230 07:58:29.438711  [   40.326192] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 4231 07:58:29.445101  [   40.347171] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 4232 07:58:29.451746  [   40.353002] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 4233 07:58:29.461261  [   40.360969] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 4234 07:58:29.467958  [   40.368937] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 4235 07:58:29.478032  [   40.376905] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4236 07:58:29.484318  [   40.384872] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 4237 07:58:29.494431  [   40.392840] FS:  00007fd415079580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 4238 07:58:29.501347  [   40.401874] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4239 07:58:29.507473  [   40.408287] CR2: ffffffffffffffd6 CR3: 000000010388a006 CR4: 00000000003706e0

 4240 07:58:29.517910  [   40.416256] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4241 07:58:29.527794  [   40.426167] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1770, name: cat

 4242 07:58:29.530846  [   40.434611] INFO: lockdep is turned off.

 4243 07:58:29.534273  [   40.438988] irq event stamp: 0

 4244 07:58:29.540788  [   40.442392] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4245 07:58:29.550785  [   40.449391] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4246 07:58:29.560639  [   40.458524] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4247 07:58:29.566892  [   40.467657] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4248 07:58:29.577213  [   40.474657] CPU: 1 PID: 1770 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4249 07:58:29.583436  [   40.483304] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4250 07:58:29.583524  [   40.490107] Call Trace:

 4251 07:58:29.590553  [   40.492834]  dump_stack+0x77/0x9b

 4252 07:58:29.593353  [   40.496547]  ___might_sleep.cold+0xa6/0xb6

 4253 07:58:29.596635  [   40.501121]  exit_signals+0x1c/0x300

 4254 07:58:29.600129  [   40.505110]  do_exit+0xc2/0xb00

 4255 07:58:29.603271  [   40.508612]  ? ksys_write+0x68/0xf0

 4256 07:58:29.609680  [   40.512520]  make_task_dead+0x2f/0x30

 4257 07:58:29.613025  [   40.516604]  rewind_stack_and_make_dead+0x17/0x20

 4258 07:58:29.616846  [   40.521856] RIP: 0033:0x7fd414f8f833

 4259 07:58:29.639342  [   40.525844] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4260 07:58:29.645828  [   40.546822] RSP: 002b:00007ffd915f0918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4261 07:58:29.656006  [   40.555276] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd414f8f833

 4262 07:58:29.662609  [   40.563244] RDX: 000000000000000a RSI: 00007fd414e82000 RDI: 0000000000000001

 4263 07:58:29.672237  [   40.571212] RBP: 00007fd414e82000 R08: 00007fd414e81010 R09: 0000000000000000

 4264 07:58:29.679149  [   40.579180] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4265 07:58:29.685543  [   40.587148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4266 07:58:29.688963  AULT: saw 'XFAIL': [SKIP]

 4267 07:58:29.695648  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP

 4268 07:58:29.699260  # selftests: lkdtm: CORRUPT_PAC.sh

 4269 07:58:29.705868  # [   35.451827] lkdtm: Performing direct entry CORRUPT_PAC

 4270 07:58:29.708541  # [   35.463783] lkdtm: XFAIL: this test is arm64-only

 4271 07:58:29.712302  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 4272 07:58:29.718808  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 4273 07:58:29.722007  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 4274 07:58:29.728677  # [   35.547687] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 4275 07:58:29.739113  # [   35.556992] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 4276 07:58:29.741977  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 4277 07:58:29.748268  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 4278 07:58:29.751564  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 4279 07:58:29.758182  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 4280 07:58:29.764625  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 4281 07:58:29.768103  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 4282 07:58:29.774813  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 4283 07:58:29.778181  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 4284 07:58:29.781513  # selftests: lkdtm: READ_AFTER_FREE.sh

 4285 07:58:29.787888  # [   35.742295] lkdtm: Performing direct entry READ_AFTER_FREE

 4286 07:58:29.795022  # [   35.751145] lkdtm: Value in memory before free: 12345678

 4287 07:58:29.804820  # [   35.763295] lkdtm: Attempting bad re[   40.703184] lkdtm: Performing direct entry ACCESS_USERSPACE

 4288 07:58:29.810892  [   40.713288] lkdtm: attempting bad read at 00007f72dc4a8000

 4289 07:58:29.814283  ad from freed memory

 4290 07:58:29.824289  # [   35.775436] lkdtm: Memory was not poi[   40.719431] BUG: unable to handle page fault for address: 00007f72dc4a8000

 4291 07:58:29.830567  [   40.733310] #PF: supervisor read access in kernel mode

 4292 07:58:29.837336  [   40.739046] #PF: error_code(0x0001) - permissions violation

 4293 07:58:29.837424  so[ned

 4294 07:58:29.843822  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 4295 07:58:29.853721  not ok    40.745266] PGD 8000000106e57067 P4D 8000000106e57067 PUD 10335e067 PMD 105f59067 PTE 10f076067

 4296 07:58:29.856964  [   40.761204] Oops: 0001 [#12] SMP PTI

 4297 07:58:29.867139  [   40.765193] CPU: 2 PID: 1805 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4298 07:58:29.873521  [   40.773843] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4299 07:58:29.880340  [   40.780648] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4300 07:58:29.899934  [   40.786870] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 28 fe 6c 9f e8 6d 91 fd ff 48 c7 c7 50 fe 6c 9f b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 54 91 fd ff 48 89 ee 48 c7 c7 78 fe 6c

 4301 07:58:29.906451  [   40.807839] RSP: 0018:ffff9b2f4251fe48 EFLAGS: 00010246

 4302 07:58:29.913157  [   40.813670] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000

 4303 07:58:29.922951  [   40.821638] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f6cfe50

 4304 07:58:29.929521  [   40.829605] RBP: 00007f72dc4a8000 R08: 0000000000000000 R09: 0000000000000000

 4305 07:58:29.936187  [   40.837573] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011

 4306 07:58:29.946179  [   40.845540] R13: ffff9b2f4251ff10 R14: ffff9b2f4251ff10 R15: ffff8ae6845a0000

 4307 07:58:29.956158  [   40.853508] FS:  00007f72dc479580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 4308 07:58:29.959549  [   40.862542] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4309 07:58:29.969240  [   40.868956] CR2: 00007f72dc4a8000 CR3: 0000000103714005 CR4: 00000000003706e0

 4310 07:58:29.972667  [   40.876924] Call Trace:

 4311 07:58:29.975969  [   40.879652]  direct_entry.cold+0x2c/0x38

 4312 07:58:29.979690  [   40.884032]  full_proxy_write+0x53/0x80

 4313 07:58:29.982636  [   40.888314]  vfs_write+0xe7/0x3b0

 4314 07:58:29.989237  [   40.892012]  ksys_write+0x68/0xf0

 4315 07:58:29.992265  [   40.895710]  do_syscall_64+0x30/0x40

 4316 07:58:29.999525  [   40.899698]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4317 07:58:30.002749  [   40.905337] RIP: 0033:0x7f72dc38f833

 4318 07:58:30.022241  [   40.909325] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4319 07:58:30.031944  [   40.930303] RSP: 002b:00007ffe617e2858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4320 07:58:30.038630  [   40.938749] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f72dc38f833

 4321 07:58:30.045296  [   40.946727] RDX: 0000000000000011 RSI: 00007f72dc282000 RDI: 0000000000000001

 4322 07:58:30.055259  [   40.954686] RBP: 00007f72dc282000 R08: 00007f72dc281010 R09: 0000000000000000

 4323 07:58:30.061821  [   40.962654] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4324 07:58:30.071595  [   40.970639] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4325 07:58:30.074796  20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 4326 07:58:30.120960  # selftests: l[   40.978619] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4327 07:58:30.127573  [   41.030490] CR2: 00007f72dc4a8000

 4328 07:58:30.131027  [   41.034187] ---[ end trace b9cc279d67662aa6 ]---

 4329 07:58:30.134373  [   41.039334] RIP: 0010:lkdtm_BUG+0x5/0x10

 4330 07:58:30.157476  [   41.043709] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 4331 07:58:30.164507  [   41.064690] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 4332 07:58:30.170496  [   41.070528] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 4333 07:58:30.177201  [   41.078510] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 4334 07:58:30.187181  [   41.086473] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 4335 07:58:30.193950  [   41.094441] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4336 07:58:30.203779  [   41.102433] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 4337 07:58:30.210448  [   41.110402] FS:  00007f72dc479580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 4338 07:58:30.216913  [   41.119442] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4339 07:58:30.226877  [   41.125864] CR2: 00007f72dc4a8000 CR3: 0000000103714005 CR4: 00000000003706e0

 4340 07:58:30.230192  kdtm: WRITE_BUDDY_AFTER_FREE.sh

 4341 07:58:30.236464  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure

 4342 07:58:30.239951  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP

 4343 07:58:30.246806  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 4344 07:58:30.252826  # [   35.887814] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 4345 07:58:30.259960  # [   35.898604] lkdtm: Value in memory before free: 12345678

 4346 07:58:30.262742  # [   35.910744] lkdtm: Attempting to read from freed memory

 4347 07:58:30.269511  # [   35.922798] lkdtm: Buddy page was not poisoned

 4348 07:58:30.275944  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 4349 07:58:30.279610  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 4350 07:58:30.285870  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 4351 07:58:30.292492  # [   36.006327] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 4352 07:58:30.296216  # [   36.014807] lkdtm: Attempting double slab free ...

 4353 07:58:30.302983  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]

 4354 07:58:30.309267  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 4355 07:58:30.312861  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 4356 07:58:30.319374  # [   36.112180] lkdtm: Performing direct entry SLAB_FREE_CROSS

 4357 07:58:30.322313  # [   36.119509] lkdtm: Attempting cross-cache slab free ...

 4358 07:58:30.328748  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 4359 07:58:30.335379  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 4360 07:58:30.339039  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 4361 07:58:30.345434  # [   36.208745] lkdtm: Performing direct entry SLAB_FREE_PAGE

 4362 07:58:30.348917  # [   36.218366] lkdtm: Attempting non-Slab slab free ...

 4363 07:58:30.355237  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 4364 07:58:30.358750  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 4365 07:58:30.362074  # selftests: lkdtm: SOFTLOCKUP.sh

 4366 07:58:30.368444  # Skipping SOFTLOCKUP: Hangs the system

 4367 07:58:30.372153  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 4368 07:58:30.381685  # selftests: lkdtm: HARDLOCKUP.s[   41.282861] lkdtm: Performing direct entry ACCESS_NULL

 4369 07:58:30.388395  [   41.288797] lkdtm: attempting bad read at 0000000000000000

 4370 07:58:30.394832  [   41.294954] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4371 07:58:30.394922  h

 4372 07:58:30.398059  # Skipping HARDLOCKUP: Hangs the system

 4373 07:58:30.408064  ok 27 selftests: lkd[   41.302736] #PF: supervisor read access in kernel mode

 4374 07:58:30.411268  [   41.314684] #PF: error_code(0x0000) - not-present page

 4375 07:58:30.414761  [   41.320418] PGD 0 P4D 0 

 4376 07:58:30.418200  [   41.323240] Oops: 0000 [#13] SMP PTI

 4377 07:58:30.427952  [   41.327227] CPU: 3 PID: 1840 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4378 07:58:30.434893  [   41.335874] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4379 07:58:30.440970  [   41.342680] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 4380 07:58:30.461199  [   41.347930] Code: 11 91 fd ff be 00 10 00 00 48 89 ef e8 15 15 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 28 fe 6c 9f e8 eb 90 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 50 fe 6c 9f 48 01

 4381 07:58:30.467608  [   41.368909] RSP: 0018:ffff9b2f425d7e58 EFLAGS: 00010246

 4382 07:58:30.474503  [   41.374740] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 4383 07:58:30.484367  [   41.382709] RDX: 0000000000000000 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70

 4384 07:58:30.490716  [   41.390676] RBP: ffffffff9f6cef19 R08: 0000000000000000 R09: 0000000000000000

 4385 07:58:30.497700  [   41.398644] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4386 07:58:30.507068  [   41.406611] R13: ffff9b2f425d7f10 R14: ffff9b2f425d7f10 R15: ffff8ae6845e1000

 4387 07:58:30.517228  [   41.414578] FS:  00007fbca46d5580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000

 4388 07:58:30.520866  [   41.423614] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4389 07:58:30.530506  [   41.430029] CR2: 0000000000000000 CR3: 0000000103bae004 CR4: 00000000003706e0

 4390 07:58:30.533448  [   41.437997] Call Trace:

 4391 07:58:30.536771  [   41.440725]  direct_entry.cold+0x2c/0x38

 4392 07:58:30.540110  [   41.445103]  full_proxy_write+0x53/0x80

 4393 07:58:30.547116  [   41.449383]  vfs_write+0xe7/0x3b0

 4394 07:58:30.550123  [   41.453079]  ksys_write+0x68/0xf0

 4395 07:58:30.553622  [   41.456775]  do_syscall_64+0x30/0x40

 4396 07:58:30.560036  [   41.460763]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4397 07:58:30.563635  [   41.466393] RIP: 0033:0x7fbca45eb833

 4398 07:58:30.583481  [   41.470380] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4399 07:58:30.593094  [   41.491360] RSP: 002b:00007ffe8d92b438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4400 07:58:30.599440  [   41.499814] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fbca45eb833

 4401 07:58:30.609662  [   41.507781] RDX: 000000000000000c RSI: 00007fbca44de000 RDI: 0000000000000001

 4402 07:58:30.615957  [   41.515768] RBP: 00007fbca44de000 R08: 00007fbca44dd010 R09: 0000000000000000

 4403 07:58:30.622929  [   41.523727] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4404 07:58:30.632519  [   41.531741] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4405 07:58:30.635563  tm: HARDLOCKUP.sh # SKIP

 4406 07:58:30.639094  # selftests: lkdtm: SPINLOCKUP.sh

 4407 07:58:30.685279  # S[   41.539737] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4408 07:58:30.688618  [   41.591607] CR2: 0000000000000000

 4409 07:58:30.692027  kipping SPINLOCKUP: Hangs the system

 4410 07:58:30.698454  ok 28 selftests: lkdtm: SP[   41.595306] ---[ end trace b9cc279d67662aa7 ]---

 4411 07:58:30.702194  [   41.606673] RIP: 0010:lkdtm_BUG+0x5/0x10

 4412 07:58:30.704977  INLOCKUP.sh # SKIP

 4413 07:58:30.708728  # selftests: lkdtm: HUNG_TASK.sh

 4414 07:58:30.731293  # Skipping[   41.611051] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 4415 07:58:30.735083  [   41.638244] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 4416 07:58:30.744822  [   41.644078] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 4417 07:58:30.751144  [   41.652046] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 4418 07:58:30.754565   HUNG_TASK: Hangs the system

 4419 07:58:30.767601  ok 29 selftests: lkdtm: HUNG_TASK.[   41.660006] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 4420 07:58:30.774106  [   41.674187] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4421 07:58:30.781227  [   41.682149] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 4422 07:58:30.791274  [   41.690118] FS:  00007fbca46d5580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000

 4423 07:58:30.791367  sh # SKIP

 4424 07:58:30.794554  # selftests: lkdtm: EXEC_DATA.sh

 4425 07:58:30.797491  # Killed

 4426 07:58:30.804022  # [   36.[   41.699155] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4427 07:58:30.810978  [   41.711783] CR2: 0000000000000000 CR3: 0000000103bae004 CR4: 00000000003706e0

 4428 07:58:30.817107  413960] lkdtm: Performing direct entry EXEC_DATA

 4429 07:58:30.823607  # [   36.422137] lkdtm: attempting ok execution at ffffffff9e4f5d30

 4430 07:58:30.830438  # [   36.428671] lkdtm: attempting bad execution at ffffffffa0eee740

 4431 07:58:30.840282  # [   36.435304] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4432 07:58:30.846685  # [   36.449869] BUG: unable to handle page fault for address: ffffffffa0eee740

 4433 07:58:30.853963  # [   36.457547] #PF: supervisor instruction fetch in kernel mode

 4434 07:58:30.860279  # [   36.463857] #PF: error_code(0x0011) - permissions violation

 4435 07:58:30.866813  # [   36.470078] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 800000004a8000e3 

 4436 07:58:30.869942  # [   36.477565] Oops: 0011 [#5] SMP PTI

 4437 07:58:30.879873  # [   36.487667] CPU: 3 PID: 1554 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4438 07:58:30.886547  # [   36.496315] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4439 07:58:30.893192  # [   36.503122] RIP: 0010:data_area+0x0/0x40

 4440 07:58:30.912738  # [   36.507517] Code: ff ff 00 3a 25 80 e6 8a ff ff 00 39 25 80 e6 8a 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

 4441 07:58:30.919760  # [   36.528496] RSP: 0018:ffff9b2f420e7e48 EFLAGS: 00010246

 4442 07:58:30.929188  # [   36.534320] RAX: 0000000000000033 RBX: 000000[   41.830014] lkdtm: Performing direct entry WRITE_RO

 4443 07:58:30.932802  0000000001 RCX: 0000000000000000

 4444 07:58:30.942506  # [   36.542288] RDX: 00000000[   41.837068] lkdtm: attempting bad rodata write at ffffffff9f2d5ef0

 4445 07:58:30.948803  00000000 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70

 4446 07:58:30.955417  # [   36.5[   41.850190] BUG: unable to handle page fault for address: ffffffff9f2d5ef0

 4447 07:58:30.962366  [   41.864076] #PF: supervisor write access in kernel mode

 4448 07:58:30.968608  [   41.869908] #PF: error_code(0x0003) - permissions violation

 4449 07:58:30.982906  50255] RBP: ffffffffa0eee740 R08: 0000000000000000 R09: 00000000[   41.876129] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 8000000048c000e1 

 4450 07:58:30.985680  [   41.889833] Oops: 0003 [#14] SMP PTI

 4451 07:58:30.995883  [   41.893813] CPU: 1 PID: 1875 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4452 07:58:31.002625  [   41.902462] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4453 07:58:31.005759  [   41.909259] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 4454 07:58:31.008947  00000000

 4455 07:58:31.032311  # [   36.558223] R10: 00000000ffffe000 R11: 3fffffffff[   41.914219] Code: 00 48 c7 c7 08 fd 6c 9f 48 c7 c6 f0 5e 2d 9f e8 95 93 fd ff 48 8b 05 4f f1 75 00 ba 34 12 cd ab 48 c7 c7 38 fd 6c 9f 48 31 d0 <48> 89 05 39 f1 75 00 e9 73 93 fd ff 0f 1f 44 00 00 48 8b 05 68 d5

 4456 07:58:31.038932  [   41.941409] RSP: 0018:ffff9b2f42687e60 EFLAGS: 00010202

 4457 07:58:31.048881  [   41.947242] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 4458 07:58:31.055375  [   41.955209] RDX: 00000000abcd1234 RSI: ffff8ae6fac9bf70 RDI: ffffffff9f6cfd38

 4459 07:58:31.061457  [   41.963176] RBP: ffffffff9f6cef25 R08: 0000000000000000 R09: 0000000000000000

 4460 07:58:31.071811  [   41.971144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 4461 07:58:31.078122  [   41.979110] R13: ffff9b2f42687f10 R14: ffff9b2f42687f10 R15: ffff8ae684870000

 4462 07:58:31.088163  [   41.987081] FS:  00007f3ef04da580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 4463 07:58:31.094464  [   41.996116] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4464 07:58:31.101501  [   42.002529] CR2: ffffffff9f2d5ef0 CR3: 0000000104972006 CR4: 00000000003706e0

 4465 07:58:31.105080  [   42.010496] Call Trace:

 4466 07:58:31.111550  [   42.013222]  direct_entry.cold+0x2c/0x38

 4467 07:58:31.114488  [   42.017602]  full_proxy_write+0x53/0x80

 4468 07:58:31.117684  ffffff R12: 000000000000000a

 4469 07:58:31.124583  # [   36.566190] R13: ffff9b2f420e[   42.021884]  vfs_write+0xe7/0x3b0

 4470 07:58:31.127872  [   42.031791]  ksys_write+0x68/0xf0

 4471 07:58:31.131106  [   42.035488]  do_syscall_64+0x30/0x40

 4472 07:58:31.137531  [   42.039478]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4473 07:58:31.141191  [   42.045115] RIP: 0033:0x7f3ef03f0833

 4474 07:58:31.160873  [   42.049103] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4475 07:58:31.170834  [   42.070082] RSP: 002b:00007ffd1e283c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4476 07:58:31.177791  [   42.078536] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3ef03f0833

 4477 07:58:31.187521  [   42.086505] RDX: 0000000000000009 RSI: 00007f3ef02e3000 RDI: 0000000000000001

 4478 07:58:31.194039  [   42.094474] RBP: 00007f3ef02e3000 R08: 00007f3ef02e2010 R09: 0000000000000000

 4479 07:58:31.203527  [   42.102442] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4480 07:58:31.210460  [   42.110408] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4481 07:58:31.217121  7f10 R14: ffff9b2f420e7f10 R15: ffff8ae682659000

 4482 07:58:31.263136  # [   36.57415[   42.118380] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4483 07:58:31.266471  [   42.170241] CR2: ffffffff9f2d5ef0

 4484 07:58:31.270056  [   42.173939] ---[ end trace b9cc279d67662aa8 ]---

 4485 07:58:31.276266  [   42.179094] RIP: 0010:lkdtm_BUG+0x5/0x10

 4486 07:58:31.296082  [   42.183471] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 4487 07:58:31.302502  [   42.204443] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 4488 07:58:31.309844  [   42.210267] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 4489 07:58:31.319437  [   42.218234] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 4490 07:58:31.326065  [   42.226201] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 4491 07:58:31.335747  [   42.234168] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4492 07:58:31.342388  [   42.242134] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 4493 07:58:31.352008  [   42.250103] FS:  00007f3ef04da580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 4494 07:58:31.358725  [   42.259138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4495 07:58:31.365903  [   42.265554] CR2: ffffffff9f2d5ef0 CR3: 0000000104972006 CR4: 00000000003706e0

 4496 07:58:31.375567  [   42.273522] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4497 07:58:31.385449  [   42.283431] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1875, name: cat

 4498 07:58:31.388372  [   42.291885] INFO: lockdep is turned off.

 4499 07:58:31.391951  [   42.296259] irq event stamp: 0

 4500 07:58:31.398668  [   42.299664] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4501 07:58:31.408323  [   42.306661] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4502 07:58:31.418374  [   42.315794] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4503 07:58:31.424675  [   42.324927] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4504 07:58:31.431605  [   42.331923] CPU: 1 PID: 1875 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4505 07:58:31.437978  [   42.340579] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4506 07:58:31.441181  [   42.347382] Call Trace:

 4507 07:58:31.444621  [   42.350107]  dump_stack+0x77/0x9b

 4508 07:58:31.450978  [   42.353806]  ___might_sleep.cold+0xa6/0xb6

 4509 07:58:31.454439  [   42.358377]  exit_signals+0x1c/0x300

 4510 07:58:31.457815  [   42.362365]  do_exit+0xc2/0xb00

 4511 07:58:31.461150  [   42.365868]  ? ksys_write+0x68/0xf0

 4512 07:58:31.464242  [   42.369752]  make_task_dead+0x2f/0x30

 4513 07:58:31.471068  [   42.373837]  rewind_stack_and_make_dead+0x17/0x20

 4514 07:58:31.474805  [   42.379079] RIP: 0033:0x7f3ef03f0833

 4515 07:58:31.497226  [   42.383065] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4516 07:58:31.503989  [   42.404045] RSP: 002b:00007ffd1e283c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4517 07:58:31.514310  [   42.412500] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3ef03f0833

 4518 07:58:31.520761  [   42.420467] RDX: 0000000000000009 RSI: 00007f3ef02e3000 RDI: 0000000000000001

 4519 07:58:31.527072  [   42.428435] RBP: 00007f3ef02e3000 R08: 00007f3ef02e2010 R09: 0000000000000000

 4520 07:58:31.536957  [   42.436437] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4521 07:58:31.550124  7] FS:  00007f73d9d77580(0000) GS:ffff8ae6fad80000(0000) knlGS:0[   42.444414] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4522 07:58:31.553771  000000000000000

 4523 07:58:31.560561  # [   36.583192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4524 07:58:31.566979  # [   36.589606] CR2: ffffffffa0eee740 CR3: 0000000103c76001 CR4: 00000000003706e0

 4525 07:58:31.570257  # [   36.597574] Call Trace:

 4526 07:58:31.573705  # [   36.600302]  ? execute_location+0x45/0x56

 4527 07:58:31.579982  # [   36.604776]  ? direct_entry.cold+0x2c/0x38

 4528 07:58:31.583289  # [   36.609348]  ? full_proxy_write+0x53/0x80

 4529 07:58:31.590066  # [   36.613822]  ? vfs_write+0xe7/0x3b0

 4530 07:58:31.593152  # [   36.617704]  ? ksys_write+0x68/0xf0

 4531 07:58:31.596675  # [   36.621595]  ? do_syscall_64+0x30/0x40

 4532 07:58:31.603147  # [   36.625776]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4533 07:58:31.648985  # [   36.631612] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4534 07:58:31.652277  # [   36.683524] CR2: ffffffffa0eee740

 4535 07:58:31.659147  # [   36.687223] ---[ end trace b9cc279d67662a9f ]---

 4536 07:58:31.662275  # [   36.692376] RIP: 0010:lkdtm_BUG+0x5/0x10

 4537 07:58:31.675543  # [   36.696742] Code: 89 ff e8 ae 5b a2 ff 48 c7 c0 ea ff ff ff eb[   42.572911] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 4538 07:58:31.688920   de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb [   42.583263] lkdtm: attempting bad ro_after_init write at ffffffff9f754330

 4539 07:58:31.701995  c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00[   42.597096] BUG: unable to handle page fault for address: ffffffff9f754330

 4540 07:58:31.708748  [   42.610943] #PF: supervisor write access in kernel mode

 4541 07:58:31.715288  [   42.616766] #PF: error_code(0x0003) - permissions violation

 4542 07:58:31.725284  [   42.622985] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 105435063 PTE 8000000049154061

 4543 07:58:31.728427  [   42.631738] Oops: 0003 [#15] SMP PTI

 4544 07:58:31.735010  [   42.635725] CPU: 0 PID: 1910 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4545 07:58:31.741429  [   42.644372] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4546 07:58:31.748541  [   42.651177] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 4547 07:58:31.771672  [   42.657205] Code: fd 6c 9f e9 47 93 fd ff 48 c7 c7 90 fd 6c 9f e8 3b 93 fd ff 48 8b 05 35 d5 bd 00 ba 34 12 cd ab 48 c7 c7 38 fd 6c 9f 48 31 d0 <48> 89 05 1f d5 bd 00 e9 19 93 fd ff 0f 1f 44 00 00 41 54 48 c7 c7

 4548 07:58:31.774761  [   42.678177] RSP: 0018:ffff9b2f426e7e60 EFLAGS: 00010202

 4549 07:58:31.784764  [   42.684008] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 4550 07:58:31.791650  [   42.691976] RDX: 00000000abcd1234 RSI: ffff8ae6fac1bf70 RDI: ffffffff9f6cfd38

 4551 07:58:31.800972  [   42.699945] RBP: ffffffff9f6cef2e R08: 0000000000000000 R09: 0000000000000000

 4552 07:58:31.807800  [   42.707913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 4553 07:58:31.814505  [   42.715881] R13: ffff9b2f426e7f10 R14: ffff9b2f426e7f10 R15: ffff8ae684949000

 4554 07:58:31.824308  [   42.723848] FS:  00007f6356225580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 4555 07:58:31.830562  [   42.732884] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4556 07:58:31.840712  [   42.739297] CR2: ffffffff9f754330 CR3: 0000000102ae6004 CR4: 00000000003706f0

 4557 07:58:31.840801  [   42.747265] Call Trace:

 4558 07:58:31.847210  [   42.750004]  direct_entry.cold+0x2c/0x38

 4559 07:58:31.850889  [   42.754390]  full_proxy_write+0x53/0x80

 4560 07:58:31.853755  [   42.758675]  vfs_write+0xe7/0x3b0

 4561 07:58:31.857211  [   42.762363]  ksys_write+0x68/0xf0

 4562 07:58:31.863970  [   42.766059]  do_syscall_64+0x30/0x40

 4563 07:58:31.866766  [   42.770038]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4564 07:58:31.870357  [   42.775676] RIP: 0033:0x7f635613b833

 4565 07:58:31.893233  [   42.779661] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4566 07:58:31.900021  [   42.800641] RSP: 002b:00007ffd75838f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4567 07:58:31.909831  [   42.809094] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f635613b833

 4568 07:58:31.916658  [   42.817062] RDX: 0000000000000014 RSI: 00007f635602e000 RDI: 0000000000000001

 4569 07:58:31.926201  [   42.825029] RBP: 00007f635602e000 R08: 00007f635602d010 R09: 0000000000000000

 4570 07:58:31.932998  [   42.832998] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4571 07:58:31.939558  [   42.840965] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4572 07:58:31.985759  [   42.848939] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4573 07:58:31.989215  [   42.894612] CR2: ffffffff9f754330

 4574 07:58:31.995182  [   42.898308] ---[ end trace b9cc279d67662aa9 ]---

 4575 07:58:31.998910  [   42.903461] RIP: 0010:lkdtm_BUG+0x5/0x10

 4576 07:58:32.022123  [   42.907838] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 4577 07:58:32.024946  [   42.928807] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 4578 07:58:32.034865  [   42.934640] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 4579 07:58:32.042058  [   42.942607] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 4580 07:58:32.052034  [   42.950574] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 4581 07:58:32.057956  [   42.958541] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4582 07:58:32.067898  [   42.966511] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 4583 07:58:32.074442  [   42.974477] FS:  00007f6356225580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 4584 07:58:32.081311  [   42.983515] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4585 07:58:32.091400  [   42.989929] CR2: ffffffff9f754330 CR3: 0000000102ae6004 CR4: 00000000003706f0

 4586 07:58:32.091491   00 83 05 90 8d 9f 02

 4587 07:58:32.097708  # [   36.717719] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 4588 07:58:32.107466  # [   36.723550] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 4589 07:58:32.114063  # [   36.731518] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 4590 07:58:32.124056  # [   36.739485] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 4591 07:58:32.130348  # [   36.747454] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4592 07:58:32.140759  # [   36.755421] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 4593 07:58:32.146893  # [   36.763389] FS:  00007f73d9d77580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000

 4594 07:58:32.153803  # [   36.772424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4595 07:58:32.163472  # [   36.778839] CR2: ffffffffa0eee740 CR3: 0000000103c76001 CR4: 00000000003706e0

 4596 07:58:32.173657  # [   36.786807] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4597 07:58:32.180429  # [   36.796708] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1554, name: cat

 4598 07:58:32.186629  # [   36.805160] INFO: lockdep is turned off.

 4599 07:58:32.189882  # [   36.809535] irq event stamp: 0

 4600 07:58:32.196831  # [   36.812940] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4601 07:58:32.206703  # [   36.819937] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4602 07:58:32.216819  # [   36.829078] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4603 07:58:32.222961  # [   36.838211] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4604 07:58:32.232742  # [   36.845208] CPU: 3 PID: 1554 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4605 07:58:32.239693  # [   36.853854] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4606 07:58:32.242512  # [   36.860656] Call Trace:

 4607 07:58:32.246794  # [   36.863382]  dump_stack+0x77/0x9b

 4608 07:58:32.249388  # [   36.867079]  ___might_sleep.cold+0xa6/0xb6

 4609 07:58:32.255844  # [   36.871651]  exit_signals+0x1c/0x300

 4610 07:58:32.259200  # [   36.875631]  do_exit+0xc2/0xb00

 4611 07:58:32.262683  # [   36.879133]  ? ksys_write+0x68/0xf0

 4612 07:58:32.265765  # [   36.883023]  make_task_dead+0x2f/0x30

 4613 07:58:32.276141  # [   36.887107]  rewind_stack_and_mak[   43.174333] lkdtm: Performing direct entry WRITE_KERN

 4614 07:58:32.279159  e_dead+0x17/0x20

 4615 07:58:32.282704  # [   36.892357] RIP: 0033:0x7f73d9c8d833

 4616 07:58:32.288743  # [[   43.183863] lkdtm: attempting bad 6819819 byte write at ffffffff9eb76d1b

 4617 07:58:32.302387     36.896344] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff[   43.197579] BUG: unable to handle page fault for address: ffffffff9eb76d1b

 4618 07:58:32.308686  [   43.211435] #PF: supervisor write access in kernel mode

 4619 07:58:32.315903  [   43.217268] #PF: error_code(0x0003) - permissions violation

 4620 07:58:32.321770  [   43.223489] PGD 49229067 P4D 49229067 PUD 4922a063 PMD 484000e1 

 4621 07:58:32.325154  [   43.230205] Oops: 0003 [#16] SMP PTI

 4622 07:58:32.335075  [   43.234185] CPU: 0 PID: 1945 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4623 07:58:32.341898  [   43.242825] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4624 07:58:32.348445  [   43.249631] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 4625 07:58:32.368497  [   43.254790] Code: 53 48 c7 c3 1b 6d b7 9e 49 89 dc 48 89 da 49 81 ec 30 5d 4f 9e 4c 89 e6 e8 ee 92 fd ff 48 89 df 4c 89 e1 48 c7 c6 30 5d 4f 9e <f3> a4 48 c7 c7 38 fd 6c 9f e8 d3 92 fd ff 5b 41 5c e9 b7 fe ff ff

 4626 07:58:32.374774  [   43.275771] RSP: 0018:ffff9b2f4277fe50 EFLAGS: 00010246

 4627 07:58:32.381494  [   43.281594] RAX: 000000000000003c RBX: ffffffff9eb76d1b RCX: 0000000000680feb

 4628 07:58:32.391156  [   43.289562] RDX: 0000000000000000 RSI: ffffffff9e4f5d30 RDI: ffffffff9eb76d1b

 4629 07:58:32.397755  [   43.297530] RBP: ffffffff9f6cef42 R08: 0000000000000000 R09: 0000000000000000

 4630 07:58:32.404334  [   43.305498] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000680feb

 4631 07:58:32.414465  [   43.313468] R13: ffff9b2f4277ff10 R14: ffff9b2f4277ff10 R15: ffff8ae6846f4000

 4632 07:58:32.421221  [   43.321436] FS:  00007f0cde167580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 4633 07:58:32.427390  [   43.330471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4634 07:58:32.437575  [   43.336886] CR2: ffffffff9eb76d1b CR3: 00000001046d6002 CR4: 00000000003706f0

 4635 07:58:32.440715  [   43.344854] Call Trace:

 4636 07:58:32.444203  [   43.347583]  direct_entry.cold+0x2c/0x38

 4637 07:58:32.447415  [   43.351959]  full_proxy_write+0x53/0x80

 4638 07:58:32.451157  [   43.356245]  vfs_write+0xe7/0x3b0

 4639 07:58:32.457271  [   43.359947]  ksys_write+0x68/0xf0

 4640 07:58:32.460734  [   43.363637]  do_syscall_64+0x30/0x40

 4641 07:58:32.463722  [   43.367633]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4642 07:58:32.470666  [   43.373273] RIP: 0033:0x7f0cde07d833

 4643 07:58:32.490309  [   43.377260] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4644 07:58:32.500705  [   43.398240] RSP: 002b:00007fff581f5098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4645 07:58:32.507071  [   43.406694] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f0cde07d833

 4646 07:58:32.513668  [   43.414663] RDX: 000000000000000b RSI: 00007f0cddf70000 RDI: 0000000000000001

 4647 07:58:32.523495  [   43.422631] RBP: 00007f0cddf70000 R08: 00007f0cddf6f010 R09: 0000000000000000

 4648 07:58:32.529842  [   43.430599] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4649 07:58:32.539631  [   43.438566] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4650 07:58:32.582442  [   43.446538] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4651 07:58:32.589197  [   43.492210] CR2: ffffffff9eb76d1b

 4652 07:58:32.592587  [   43.495906] ---[ end trace b9cc279d67662aaa ]---

 4653 07:58:32.598984  [   43.501059] RIP: 0010:lkdtm_BUG+0x5/0x10

 4654 07:58:32.619235  [   43.505436] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 4655 07:58:32.625810  [   43.526408] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 4656 07:58:32.632309  [   43.532233] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 4657 07:58:32.638830  [   43.540202] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 4658 07:58:32.648642  [   43.548169] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 4659 07:58:32.655478  [   43.556137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4660 07:58:32.665088  [   43.564105] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 4661 07:58:32.671428  [   43.572073] FS:  00007f0cde167580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 4662 07:58:32.678156  [   43.581109] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4663 07:58:32.688452  [   43.587524] CR2: ffffffff9eb76d1b CR3: 00000001046d6002 CR4: 00000000003706f0

 4664 07:58:32.698177  [   43.595492] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4665 07:58:32.704590  [   43.605403] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1945, name: cat

 4666 07:58:32.711393  [   43.613857] INFO: lockdep is turned off.

 4667 07:58:32.714402  [   43.618231] irq event stamp: 0

 4668 07:58:32.721199  [   43.621635] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4669 07:58:32.730853  [   43.628634] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4670 07:58:32.737512  [   43.637760] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4671 07:58:32.747937  [   43.646886] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4672 07:58:32.753902  [   43.653884] CPU: 0 PID: 1945 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4673 07:58:32.760621  [   43.662522] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4674 07:58:32.764471  [   43.669323] Call Trace:

 4675 07:58:32.768063  [   43.672049]  dump_stack+0x77/0x9b

 4676 07:58:32.773747  [   43.675747]  ___might_sleep.cold+0xa6/0xb6

 4677 07:58:32.777278  [   43.680317]  exit_signals+0x1c/0x300

 4678 07:58:32.780344  [   43.684297]  do_exit+0xc2/0xb00

 4679 07:58:32.784002  [   43.687800]  ? ksys_write+0x68/0xf0

 4680 07:58:32.793414  [   43.691681]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4681 07:58:32.793904  [   43.697116]  make_task_dead+0x2f/0x30

 4682 07:58:32.797527  [   43.701201]  rewind_stack_and_make_dead+0x17/0x20

 4683 07:58:32.803543  [   43.706442] RIP: 0033:0x7f0cde07d833

 4684 07:58:32.823589  [   43.710420] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4685 07:58:32.833273  [   43.731399] RSP: 002b:00007fff581f5098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4686 07:58:32.840034  [   43.739853] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f0cde07d833

 4687 07:58:32.846241  [   43.747820] RDX: 000000000000000b RSI: 00007f0cddf70000 RDI: 0000000000000001

 4688 07:58:32.855981  [   43.755787] RBP: 00007f0cddf70000 R08: 00007f0cddf6f010 R09: 0000000000000000

 4689 07:58:32.863162  [   43.763755] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4690 07:58:32.872437  [   43.771723] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4691 07:58:32.886355   ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4692 07:58:32.895468  # [   36.917314] RSP: 002b:00007ffcf0f77ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4693 07:58:32.902237  # [   36.925777] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f73d9c8d833

 4694 07:58:32.913079  # [   36.933750] RDX: 000000000000000a RSI: 00007f73d9b80000 RDI: 0000000000000001

 4695 07:58:32.918656  # [   36.941724] RBP: 00007f73d9b80000 R08: 00007f73d9b7f010 R09: 0000000000000000

 4696 07:58:32.929027  # [   36.949698] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4697 07:58:32.935212  # [   36.957673] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4698 07:58:32.938698  # EXEC_DATA: saw 'call trace:': ok

 4699 07:58:32.942001  ok 30 selftests: lkdtm: EXEC_DATA.sh

 4700 07:58:32.945773  # selftests: lkdtm: EXEC_STACK.sh

 4701 07:58:32.948572  # Killed

 4702 07:58:32.951891  # [   37.063254] lkdtm: Performing direct entry EXEC_STACK

 4703 07:58:32.958889  # [   37.070773] lkdtm: attempting ok execution at ffffffff9e4f5d30

 4704 07:58:32.968560  # [   37.083499] lkdtm: attempting bad execution at ffff9b2f42177e18

 4705 07:58:32.974906  # [   37.096321] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4706 07:58:32.984862  # [   37.110884] BUG: unable to handle page fault for address: ffff9b2f42177e18

 4707 07:58:32.991149  # [   37.118560] #PF: supervisor instruction fetch in kernel mode

 4708 07:58:32.994377  # [   37.124876] #PF: error_code(0x0011) - permissions violation

 4709 07:58:33.004503  # [   37.131097] PGD 100000067 P4D 100000067 PUD 100214067 PMD 10487a067 PTE 8000000102ad9063

 4710 07:58:33.007761  # [   37.140138] Oops: 0011 [#6] SMP PTI

 4711 07:58:33.018074  # [   37.150241] CPU: 1 PID: 1590 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4712 07:58:33.027804  # [   37.158888] Hardware na[   43.924068] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 4713 07:58:33.030732  me: Google Rammus/Rammus, BIOS  09/04/2020

 4714 07:58:33.040638  # [   37.165691] RIP[   43.935593] lkdtm: attempting good refcount_inc() without overflow

 4715 07:58:33.044154  : 0010:0xffff9b2f42177e18

 4716 07:58:33.054255  # [   37.170058] Code: 00 00 18 7e 17[   43.948711] lkdtm: attempting bad refcount_inc() overflow

 4717 07:58:33.057400  [   43.960950] ------------[ cut here ]------------

 4718 07:58:33.070479   42 2f 9b ff ff 71 6d b7 9e ff ff ff ff 20 00 00 00 00 00 00 00 [   43.966107] refcount_t: saturated; leaking memory.

 4719 07:58:33.087066  be ee 6c 9f ff ff ff ff a0 6e b7 9e ff ff ff ff <0f> 1f 44 00 00[   43.977698] WARNING: CPU: 1 PID: 1980 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 4720 07:58:33.090312   c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4721 07:58:33.136711  # [   37.19[   43.993309] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4722 07:58:33.142975  1039] RSP: 0018:ffff9b2f42177df8 EFLAGS: 00010246

 4723 07:58:33.152676  # [   37.1968[   44.045171] CPU: 1 PID: 1980 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4724 07:58:33.159488  [   44.060038] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4725 07:58:33.169274  71] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 00000000000[   44.066845] RIP: 0010:refcount_warn_saturate+0x51/0x110

 4726 07:58:33.172453  00000

 4727 07:58:33.198850  # [   37.204838] RDX: 0000000000000000 RSI: ffff8ae6fac9b[   44.078893] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 47 0b 94 01 00 75 ee 48 c7 c7 e8 8f 66 9f c6 05 37 0b 94 01 01 e8 fc a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66

 4728 07:58:33.202228  f70 RDI: ffff8ae6fac9bf70

 4729 07:58:33.208671  # [   37.212806] RBP: ffff9b2f42177e1[   44.106091] RSP: 0018:ffff9b2f427ffe48 EFLAGS: 00010286

 4730 07:58:33.215660  8 R08: 0000000000000000 R09: 0000000000000000

 4731 07:58:33.225417  # [   37.220774] [   44.118139] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 4732 07:58:33.238730  R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000[   44.132331] RDX: ffff8ae6facac660 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70

 4733 07:58:33.245227  [   44.146515] RBP: ffffffff9f6cef4d R08: 0000000000000000 R09: 0000000000000000

 4734 07:58:33.248229  b

 4735 07:58:33.261435  # [   37.228740] R13: ffff9b2f42177f10 R14: ffff9b2f42177f10 [   44.154487] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 4736 07:58:33.261530  R15: ffff8ae6835d5000

 4737 07:58:33.274703  # [   37.236707] FS:  00007f8ba6e81580(00[   44.168693] R13: ffff9b2f427fff10 R14: ffff9b2f427fff10 R15: ffff8ae685676000

 4738 07:58:33.281829  00) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 4739 07:58:33.291286  # [   37.2[   44.182861] FS:  00007fcafeddc580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 4740 07:58:33.298243  [   44.198110] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4741 07:58:33.301349  45742] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4742 07:58:33.311189  # [   [   44.204530] CR2: 00007fcafebe5000 CR3: 000000010496a001 CR4: 00000000003706e0

 4743 07:58:33.314204  [   44.218712] Call Trace:

 4744 07:58:33.324296  37.252156] CR2: ffff9b2f42177e18 CR3: 00000001046d0005 CR4: 0000[   44.221446]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 4745 07:58:33.327534  0000003706e0

 4746 07:58:33.331105  # [   37.260123] Call Trace:

 4747 07:58:33.334318  # [   37.262852]  ? [   44.233001]  direct_entry.cold+0x2c/0x38

 4748 07:58:33.337120  execute_location+0x45/0x56

 4749 07:58:33.347560  # [   37.267327]  ? lkdtm_EXEC_STACK[   44.243597]  full_proxy_write+0x53/0x80

 4750 07:58:33.347644  +0x26/0x44

 4751 07:58:33.351016  # [   37.278012]  ? direct_entry.cold+0x2c/0x38

 4752 07:58:33.357335  # [[   44.254094]  vfs_write+0xe7/0x3b0

 4753 07:58:33.360677     37.282586]  ? full_proxy_write+0x53/0x80

 4754 07:58:33.367097  # [   37.287061]  ?[   44.264008]  ksys_write+0x68/0xf0

 4755 07:58:33.367177   vfs_write+0xe7/0x3b0

 4756 07:58:33.373474  # [   37.297162]  ? ksys_write+0x68/0xf0

 4757 07:58:33.377104  [   44.273927]  do_syscall_64+0x30/0x40

 4758 07:58:33.377181  

 4759 07:58:33.380424  # [   37.301054]  ? do_syscall_64+0x30/0x40

 4760 07:58:33.387423  # [   37.305236]  [   44.284133]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4761 07:58:33.393371  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4762 07:58:33.396710  # [   37.311071] Mod[   44.295989] RIP: 0033:0x7fcafecf2833

 4763 07:58:33.426687  ules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors[   44.306195] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4764 07:58:33.439316   cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf in[   44.333395] RSP: 002b:00007fffabdea878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4765 07:58:33.449190  [   44.348068] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fcafecf2833

 4766 07:58:33.462893  dustrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger[   44.356044] RDX: 0000000000000016 RSI: 00007fcafebe5000 RDI: 0000000000000001

 4767 07:58:33.469635  [   44.370226] RBP: 00007fcafebe5000 R08: 00007fcafebe4010 R09: 0000000000000000

 4768 07:58:33.486087   cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros[   44.378202] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4769 07:58:33.499185  _ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi[   44.392386] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4770 07:58:33.508904   x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_[   44.406581] irq event stamp: 0

 4771 07:58:33.522262  usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_tab[   44.416199] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4772 07:58:33.522359  le

 4773 07:58:33.525494  # [   37.362926] CR2: ffff9b2f42177e18

 4774 07:58:33.535452  # [   37.366623] ---[   44.429418] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4775 07:58:33.542161  [ end trace b9cc279d67662aa0 ]---

 4776 07:58:33.551943  # [   37.371768] RIP: 0010:lk[   44.444772] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4777 07:58:33.555343  dtm_BUG+0x5/0x10

 4778 07:58:33.564778  # [   37.376143] Code: 89 ff e8 ae 5b a2 ff 48[   44.460127] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4779 07:58:33.572784  [   44.473345] ---[ end trace b9cc279d67662aab ]---

 4780 07:58:33.581303   c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 [   44.478504] lkdtm: Overflow detected: saturated

 4781 07:58:33.591449  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 90 8d 9f 02

 4782 07:58:33.598317  # [   37.397123] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 4783 07:58:33.607989  # [   37.402946] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 4784 07:58:33.614383  # [   37.410914] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 4785 07:58:33.624357  # [   37.418880] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 4786 07:58:33.631367  # [   37.426848] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4787 07:58:33.637575  # [   37.434815] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 4788 07:58:33.647514  # [   37.442784] FS:  00007f8ba6e81580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 4789 07:58:33.654133  # [   37.451819] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4790 07:58:33.663810  # [   37.458235] CR2: ffff9b2f42177e18 CR3: 00000001046d0005 CR4: 00000000003706e0

 4791 07:58:33.667455  # EXEC_STACK: saw 'call trace:': ok

 4792 07:58:33.670418  ok 31 selftests: lkdtm: EXEC_STACK.sh

 4793 07:58:33.674149  # selftests: lkdtm: EXEC_KMALLOC.sh

 4794 07:58:33.674238  # Killed

 4795 07:58:33.680684  # [   37.642047] lkdtm: Performing direct entry EXEC_KMALLOC

 4796 07:58:33.693729  # [   37.652296] lkdtm: attempting ok execution at ffffffff9e4f5d3[   44.591895] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 4797 07:58:33.700505  [   44.602262] lkdtm: attempting good refcount_add() without overflow

 4798 07:58:33.707057  [   44.609168] lkdtm: attempting bad refcount_add() overflow

 4799 07:58:33.713702  [   44.615201] ------------[ cut here ]------------

 4800 07:58:33.717354  [   44.620358] refcount_t: saturated; leaking memory.

 4801 07:58:33.726794  [   44.625717] WARNING: CPU: 3 PID: 2012 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 4802 07:58:33.726883  0

 4803 07:58:33.779524  # [   37.658845] lkdtm: attempting bad execution at ffff8ae68[   44.635152] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4804 07:58:33.789086  [   44.687050] CPU: 3 PID: 2012 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4805 07:58:33.796127  [   44.695727] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4806 07:58:33.796228  5f5ad00

 4807 07:58:33.805693  # [   37.671683] kernel tried to execute NX-protected p[   44.702537] RIP: 0010:refcount_warn_saturate+0x51/0x110

 4808 07:58:33.829002  [   44.714585] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 47 0b 94 01 00 75 ee 48 c7 c7 e8 8f 66 9f c6 05 37 0b 94 01 01 e8 fc a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66

 4809 07:58:33.832664  [   44.735570] RSP: 0018:ffff9b2f4289fe48 EFLAGS: 00010286

 4810 07:58:33.842266  [   44.741430] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 4811 07:58:33.848856  [   44.749422] RDX: ffff8ae6fadac660 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70

 4812 07:58:33.851965  age - exploit attempt? (uid: 0)

 4813 07:58:33.865550  # [   37.680049] BUG: unable to[   44.757409] RBP: ffffffff9f6cef63 R08: 0000000000000000 R09: 0000000000000000

 4814 07:58:33.872039  [   44.771583] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 4815 07:58:33.878325  [   44.779574] R13: ffff9b2f4289ff10 R14: ffff9b2f4289ff10 R15: ffff8ae683202000

 4816 07:58:33.888197  [   44.787564] FS:  00007f53a1380580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000

 4817 07:58:33.895031  [   44.796604] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4818 07:58:33.901613  [   44.803021] CR2: 00007f53a1189000 CR3: 00000001046fe003 CR4: 00000000003706e0

 4819 07:58:33.904650  [   44.810991] Call Trace:

 4820 07:58:33.911454  [   44.813721]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 4821 07:58:33.914943  [   44.819095]  direct_entry.cold+0x2c/0x38

 4822 07:58:33.921633  [   44.823515]  full_proxy_write+0x53/0x80

 4823 07:58:33.924582   handle page fault for address: ffff8ae685f5ad00

 4824 07:58:33.931422  # [   37.69393[   44.827809]  vfs_write+0xe7/0x3b0

 4825 07:58:33.934463  [   44.837716]  ksys_write+0x68/0xf0

 4826 07:58:33.937721  [   44.841416]  do_syscall_64+0x30/0x40

 4827 07:58:33.944428  [   44.845433]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4828 07:58:33.947647  [   44.851075] RIP: 0033:0x7f53a1296833

 4829 07:58:33.967203  [   44.855064] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4830 07:58:33.977352  [   44.876046] RSP: 002b:00007ffd0fcc0298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4831 07:58:33.983641  [   44.884506] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f53a1296833

 4832 07:58:33.993546  [   44.892490] RDX: 0000000000000016 RSI: 00007f53a1189000 RDI: 0000000000000001

 4833 07:58:33.999993  [   44.900499] RBP: 00007f53a1189000 R08: 00007f53a1188010 R09: 0000000000000000

 4834 07:58:34.010476  [   44.908486] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4835 07:58:34.016870  [   44.916460] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4836 07:58:34.019756  [   44.924469] irq event stamp: 0

 4837 07:58:34.026760  [   44.927907] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4838 07:58:34.036233  [   44.934909] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4839 07:58:34.046040  [   44.944045] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4840 07:58:34.053188  [   44.953181] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4841 07:58:34.056163  [   44.960180] ---[ end trace b9cc279d67662aac ]---

 4842 07:58:34.062688  9] #PF: supervisor instruction fetch in kernel mode

 4843 07:58:34.069426  # [   37.70[   44.965336] lkdtm: Overflow detected: saturated

 4844 07:58:34.073034  0257] #PF: error_code(0x0011) - permissions violation

 4845 07:58:34.082430  # [   37.706477] PGD 4aa01067 P4D 4aa01067 PUD 10084f063 PMD 105eb5063 PTE 8000000105f5a063

 4846 07:58:34.086021  # [   37.715322] Oops: 0011 [#7] SMP PTI

 4847 07:58:34.095785  # [   37.719212] CPU: 3 PID: 1626 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4848 07:58:34.102388  # [   37.727858] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4849 07:58:34.109055  # [   37.734664] RIP: 0010:0xffff8ae685f5ad00

 4850 07:58:34.128722  # [   37.739039] Code: ad de 00 66 8c 82 e6 8a ff ff 80 ab f5 85 e6 8a ff ff 00 00 00 00 00 00 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 17 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4851 07:58:34.135807  # [   37.760019] RSP: 0018:ffff9b2f4220fe38 EFLAGS: 00010246

 4852 07:58:34.142059  # [   37.765852] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4853 07:58:34.151780  # [   37.773818] RDX: 0000000000000000 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70

 4854 07:58:34.158493  # [   37.781786] RBP: ffff8ae685f5ad00 R08: 0000000000000000 R09: 0000000000000000

 4855 07:58:34.168428  # [   37.789753] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4856 07:58:34.174985  # [   37.797720] R13: ffff9b2f4220ff10 R14: ffff9b2f4220ff10 R15: ffff8ae684955000

 4857 07:58:34.188052  # [   37.805687] FS:  00007fea2129e580(0000) GS:ffff[   45.086032] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 4858 07:58:34.191472  8ae6fad80000(0000) knlGS:0000000000000000

 4859 07:58:34.201544  # [   37.814721] CS: [   45.096227] lkdtm: attempting bad refcount_inc_not_zero() overflow

 4860 07:58:34.204903   0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4861 07:58:34.211045  # [   37.821137] [   45.109343] ------------[ cut here ]------------

 4862 07:58:34.224393  CR2: ffff8ae685f5ad00 CR3: 00000001028c2006 CR4: 00000000003706e[   45.120718] refcount_t: saturated; leaking memory.

 4863 07:58:34.224484  0

 4864 07:58:34.227891  # [   37.829105] Call Trace:

 4865 07:58:34.241591  # [   37.831833]  ? execute_loc[   45.132304] WARNING: CPU: 0 PID: 2044 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 4866 07:58:34.241681  ation+0x45/0x56

 4867 07:58:34.290625  # [   37.836322]  ? lkdtm_EXEC_KMALLOC+0x2c/0x4[   45.147928] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4868 07:58:34.290737  0

 4869 07:58:34.297062  # [   37.840989]  ? direct_entry.cold+0x2c/0x38

 4870 07:58:34.306914  # [   37.845[   45.199788] CPU: 0 PID: 2044 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4871 07:58:34.310443  562]  ? full_proxy_write+0x53/0x80

 4872 07:58:34.320204  # [   37.850034]  ? vfs_writ[   45.214621] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4873 07:58:34.320294  e+0xe7/0x3b0

 4874 07:58:34.323701  # [   37.853916]  ? ksys_write+0x68/0xf0

 4875 07:58:34.330445  # [   37[   45.227675] RIP: 0010:refcount_warn_saturate+0x97/0x110

 4876 07:58:34.336786  .857808]  ? do_syscall_64+0x30/0x40

 4877 07:58:34.359960  # [   37.861990]  ? entry_S[   45.239721] Code: 01 01 e8 d9 a0 98 00 0f 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 9f c6 05 f2 0a 94 01 01 e8 b6 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66

 4878 07:58:34.362796  YSCALL_64_after_hwframe+0x61/0xc6

 4879 07:58:34.369575  # [   37.867825] Modules link[   45.266925] RSP: 0018:ffff9b2f4291fe38 EFLAGS: 00010282

 4880 07:58:34.386040  ed in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_[   45.278957] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 4881 07:58:34.399245  sensors_core industrialio_triggered_buffer kfifo_buf industriali[   45.293209] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 4882 07:58:34.412747  o cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_[   45.307351] RBP: ffffffff9f6ceba0 R08: 0000000000000000 R09: 0000000000000000

 4883 07:58:34.429661  sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chard[   45.321580] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 4884 07:58:34.442304  ev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_[   45.335770] R13: ffff9b2f4291ff10 R14: ffff9b2f4291ff10 R15: ffff8ae68368e000

 4885 07:58:34.458950  temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_not[   45.349949] FS:  00007f92feee7580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 4886 07:58:34.461754  ify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4887 07:58:34.468844  # [  [   45.365190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4888 07:58:34.471770   37.919721] CR2: ffff8ae685f5ad00

 4889 07:58:34.484901  # [   37.923409] ---[ end tra[   45.377829] CR2: 00007f92fecf0000 CR3: 0000000104406006 CR4: 00000000003706f0

 4890 07:58:34.484991  ce b9cc279d67662aa1 ]---

 4891 07:58:34.491589  # [   37.928562] RIP: 0010:lkdtm_BUG+0[   45.392031] Call Trace:

 4892 07:58:34.495066  x5/0x10

 4893 07:58:34.505455  # [   37.932937] Code: 89 ff e8 ae 5b a2 ff 48 c7 c0 ea[   45.400976]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 4894 07:58:34.518249   ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 [   45.413317]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 4895 07:58:34.528122  ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00[   45.425760]  direct_entry.cold+0x2c/0x38

 4896 07:58:34.531651   0f 1f 44 00 00 83 05 90 8d 9f 02

 4897 07:58:34.537925  # [   37.953918] RSP: 0018:ff[   45.436359]  full_proxy_write+0x53/0x80

 4898 07:58:34.541401  ff9b2f41357e60 EFLAGS: 00010286

 4899 07:58:34.547786  # [   37.959741] RAX: ffffffff9[   45.446860]  vfs_write+0xe7/0x3b0

 4900 07:58:34.554399  e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 4901 07:58:34.557897  # [   37.96[   45.456772]  ksys_write+0x68/0xf0

 4902 07:58:34.567837  7708] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9[   45.466700]  do_syscall_64+0x30/0x40

 4903 07:58:34.571175  f2d5a70

 4904 07:58:34.580830  # [   37.975677] RBP: ffffffff9f733438 R08: 00000000000[   45.476899]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4905 07:58:34.584053  00001 R09: 0000000000000001

 4906 07:58:34.591015  # [   37.983644] R10: 00000000ffffe[   45.488745] RIP: 0033:0x7f92fedfd833

 4907 07:58:34.597574  000 R11: 3fffffffffffffff R12: 0000000000000004

 4908 07:58:34.616869  # [   37.991612[   45.498947] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4909 07:58:34.633796  ] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363[   45.526152] RSP: 002b:00007ffde6727d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4910 07:58:34.633889  000

 4911 07:58:34.647045  # [   37.999579] FS:  00007fea2129e580(0000) GS:ffff8ae6fad[   45.540845] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f92fedfd833

 4912 07:58:34.650056  80000(0000) knlGS:0000000000000000

 4913 07:58:34.659723  # [   38.008614] CS:  0010 D[   45.555069] RDX: 000000000000001f RSI: 00007f92fecf0000 RDI: 0000000000000001

 4914 07:58:34.666208  S: 0000 ES: 0000 CR0: 0000000080050033

 4915 07:58:34.676149  # [   38.015028] CR2: ff[   45.569316] RBP: 00007f92fecf0000 R08: 00007f92fecef010 R09: 0000000000000000

 4916 07:58:34.683177  ff8ae685f5ad00 CR3: 00000001028c2006 CR4: 00000000003706e0

 4917 07:58:34.689253  # [ [   45.583491] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4918 07:58:34.702495    38.022997] BUG: sleeping function called from invalid context [   45.597685] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4919 07:58:34.705699  at include/linux/percpu-rwsem.h:49

 4920 07:58:34.712992  # [   38.032908] in_atomic()[   45.611896] irq event stamp: 0

 4921 07:58:34.718976  : 0, irqs_disabled(): 1, non_block: 0, pid: 1626, name: cat

 4922 07:58:34.725452  # [[   45.621480] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4923 07:58:34.732387     38.041359] INFO: lockdep is turned off.

 4924 07:58:34.742080  # [   38.045746] irq[   45.634763] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4925 07:58:34.745530   event stamp: 0

 4926 07:58:34.758696  # [   38.049150] hardirqs last  enabled at (0):[   45.650099] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4927 07:58:34.758785   [<0000000000000000>] 0x0

 4928 07:58:34.771936  # [   38.056149] hardirqs last disabl[   45.665489] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4929 07:58:34.774983  ed at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 4930 07:58:34.781545  # [  [   45.678724] ---[ end trace b9cc279d67662aad ]---

 4931 07:58:34.795151   38.065285] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] [   45.690122] lkdtm: Overflow detected: saturated

 4932 07:58:34.795247  copy_process+0x664/0x1cb0

 4933 07:58:34.804511  # [   38.074420] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4934 07:58:34.811296  # [   38.081418] CPU: 3 PID: 1626 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4935 07:58:34.817628  # [   38.090065] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4936 07:58:34.821714  # [   38.096867] Call Trace:

 4937 07:58:34.824824  # [   38.099611]  dump_stack+0x77/0x9b

 4938 07:58:34.831376  # [   38.103309]  ___might_sleep.cold+0xa6/0xb6

 4939 07:58:34.834186  # [   38.107871]  exit_signals+0x1c/0x300

 4940 07:58:34.837664  # [   38.111850]  do_exit+0xc2/0xb00

 4941 07:58:34.841439  # [   38.115354]  ? ksys_write+0x68/0xf0

 4942 07:58:34.848002  # [   38.119247]  make_task_dead+0x2f/0x30

 4943 07:58:34.850886  # [   38.123331]  rewind_stack_and_make_dead+0x17/0x20

 4944 07:58:34.857415  # [   38.128593] RIP: 0033:0x7fea211b4833

 4945 07:58:34.877563  # [   38.132582] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4946 07:58:34.887516  # [   38.153561] RSP: 002b:00007ffc4f4400c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4947 07:58:34.893691  # [   38.162007] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fea211b4833

 4948 07:58:34.903550  # [   38.169975] RDX: 000000000000000d RSI: 00007fea210a7000 RDI: 0000000000000001

 4949 07:58:34.910163  # [   38.177943] RBP: 00007fea210a7000 R08: 00007fea210a6010 R09: 0000000000000000

 4950 07:58:34.920024  # [   38.185910] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4951 07:58:34.926873  # [   38.193878] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4952 07:58:34.936922  # EXEC_KMALLOC: saw 'call trace:[   45.834260] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 4953 07:58:34.940338  ': ok

 4954 07:58:34.943261  ok 32 selftests: lkdtm: EXEC_KMALLOC.sh

 4955 07:58:34.949923  # selftests: lkd[   45.845779] lkdtm: attempting bad refcount_add_not_zero() overflow

 4956 07:58:34.953377  tm: EXEC_VMALLOC.sh

 4957 07:58:34.953456  # Killed

 4958 07:58:34.963257  # [   38.308999] lkdtm: Performin[   45.858902] ------------[ cut here ]------------

 4959 07:58:34.966306  g direct entry EXEC_VMALLOC

 4960 07:58:34.973069  # [   38.319600] lkdtm: attempting [   45.870260] refcount_t: saturated; leaking memory.

 4961 07:58:34.976150  ok execution at ffffffff9e4f5d30

 4962 07:58:34.989775  # [   38.326126] lkdtm: attemp[   45.881858] WARNING: CPU: 0 PID: 2076 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 4963 07:58:34.992683  ting bad execution at ffff9b2f40379000

 4964 07:58:35.041884  # [   38.332768] kernel [   45.897505] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4965 07:58:35.048389  tried to execute NX-protected page - exploit attempt? (uid: 0)

 4966 07:58:35.055389  [   45.949359] CPU: 0 PID: 2076 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4967 07:58:35.068684  # [   38.341132] BUG: unable to handle page fault for address: f[   45.964223] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4968 07:58:35.071748  fff9b2f40379000

 4969 07:58:35.081703  # [   38.355025] #PF: supervisor instruction fe[   45.977242] RIP: 0010:refcount_warn_saturate+0x97/0x110

 4970 07:58:35.081787  tch in kernel mode

 4971 07:58:35.108122  # [   38.361346] #PF: error_code(0x0011) - p[   45.989289] Code: 01 01 e8 d9 a0 98 00 0f 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 9f c6 05 f2 0a 94 01 01 e8 b6 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66

 4972 07:58:35.111532  ermissions violation

 4973 07:58:35.121150  # [   38.367568] PGD 100000067 P4D 1000000[   46.016491] RSP: 0018:ffff9b2f42997e38 EFLAGS: 00010282

 4974 07:58:35.124642  67 PUD 100214067 PMD 100949067 PTE 8000000102870063

 4975 07:58:35.134439  # [   38.38[   46.028564] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 4976 07:58:35.138100  2826] Oops: 0011 [#8] SMP PTI

 4977 07:58:35.147686  # [   38.386718] CPU: 2 PID: 1662[   46.042757] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 4978 07:58:35.153840   Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 4979 07:58:35.164404  # [   [   46.056964] RBP: ffffffff9f6cebc0 R08: 0000000000000000 R09: 0000000000000000

 4980 07:58:35.177384  38.395367] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020[   46.071155] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 4981 07:58:35.177474  

 4982 07:58:35.183939  # [   38.402171] RIP: 0010:0xffff9b2f40379000

 4983 07:58:35.190065  # [   38.406540[   46.085357] R13: ffff9b2f42997f10 R14: ffff9b2f42997f10 R15: ffff8ae685591000

 4984 07:58:35.206916  ] Code: Unable to access opcode bytes at RIP 0xffff9b2f40378fd6.[   46.099562] FS:  00007f866812a580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 4985 07:58:35.207017  

 4986 07:58:35.213437  # [   38.414215] RSP: 0018:ffff9b2f4229fe38 EFLAGS: 00010246

 4987 07:58:35.220201  [   46.114831] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4988 07:58:35.233440  # [   38.420047] RAX: 0000000000000033 RBX: 0000000000000001 RCX[   46.127457] CR2: 00007f8667f33000 CR3: 000000010388e004 CR4: 00000000003706f0

 4989 07:58:35.236754  : 0000000000000000

 4990 07:58:35.243033  # [   38.428014] RDX: 0000000000000000 RSI: [   46.141641] Call Trace:

 4991 07:58:35.246275  ffff8ae6fad1bf70 RDI: ffff8ae6fad1bf70

 4992 07:58:35.256315  # [   38.435982] RBP: ff[   46.150619]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 4993 07:58:35.259457  ff9b2f40379000 R08: 0000000000000000 R09: 0000000000000000

 4994 07:58:35.266258  # [ [   46.162928]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 4995 07:58:35.279468    38.443950] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00[   46.175464]  direct_entry.cold+0x2c/0x38

 4996 07:58:35.279558  0000000000000d

 4997 07:58:35.289112  # [   38.451917] R13: ffff9b2f4229ff10 R14: ffff[   46.186016]  full_proxy_write+0x53/0x80

 4998 07:58:35.293011  9b2f4229ff10 R15: ffff8ae682870000

 4999 07:58:35.298969  # [   38.459887] FS:  00007f[   46.196556]  vfs_write+0xe7/0x3b0

 5000 07:58:35.309318  a233171580(0000) GS:ffff8ae6fad00000(0000) knlGS:000000000000000[   46.206476]  ksys_write+0x68/0xf0

 5001 07:58:35.309410  0

 5002 07:58:35.318804  # [   38.468922] CS:  0010 DS: 0000 ES: 0000 CR0: 00000000800[   46.216381]  do_syscall_64+0x30/0x40

 5003 07:58:35.318892  50033

 5004 07:58:35.328823  # [   38.475336] CR2: ffff9b2f40378fd6 CR3: 0000000104940[   46.226604]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5005 07:58:35.332424  004 CR4: 00000000003706e0

 5006 07:58:35.335761  # [   38.483305] Call Trace:

 5007 07:58:35.342366  # [   3[   46.238445] RIP: 0033:0x7f8668040833

 5008 07:58:35.345433  8.486034]  ? execute_location+0x45/0x56

 5009 07:58:35.368418  # [   38.490509]  ? lkd[   46.248702] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5010 07:58:35.372079  tm_EXEC_VMALLOC+0x20/0x30

 5011 07:58:35.381932  # [   38.495177]  ? direct_entry.cold[   46.275856] RSP: 002b:00007fff76ecf358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5012 07:58:35.384845  +0x2c/0x38

 5013 07:58:35.388279  # [   38.499739]  ? full_proxy_write+0x53/0x80

 5014 07:58:35.398469  # [ [   46.290565] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8668040833

 5015 07:58:35.401461    38.504214]  ? vfs_write+0xe7/0x3b0

 5016 07:58:35.411867  # [   38.508104]  ? ksys_w[   46.304711] RDX: 000000000000001f RSI: 00007f8667f33000 RDI: 0000000000000001

 5017 07:58:35.411956  rite+0x68/0xf0

 5018 07:58:35.418400  # [   38.511987]  ? do_syscall_64+0x30/0x40

 5019 07:58:35.424667  # [[   46.318950] RBP: 00007f8667f33000 R08: 00007f8667f32010 R09: 0000000000000000

 5020 07:58:35.431081     38.516169]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5021 07:58:35.437518  # [  [   46.333117] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5022 07:58:35.454477   38.522006] Modules linked in: fuse ip_tables cros_ec_lid_angle [   46.347324] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5023 07:58:35.463939  cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buff[   46.361524] irq event stamp: 0

 5024 07:58:35.477423  er kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cro[   46.371199] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5025 07:58:35.490660  s_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobu[   46.384386] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5026 07:58:35.507263  f2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs vide[   46.399775] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5027 07:58:35.520613  obuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_commo[   46.415104] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5028 07:58:35.530077  n i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_psto[   46.428346] ---[ end trace b9cc279d67662aae ]---

 5029 07:58:35.533233  re coreboot_table

 5030 07:58:35.537030  # [   38.573900] CR2: ffff9b2f40379000

 5031 07:58:35.543261  # [  [   46.439709] lkdtm: Overflow detected: saturated

 5032 07:58:35.546775   38.577588] ---[ end trace b9cc279d67662aa2 ]---

 5033 07:58:35.553053  # [   38.582733] RIP: 0010:lkdtm_BUG+0x5/0x10

 5034 07:58:35.572918  # [   38.587100] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 5035 07:58:35.579645  # [   38.608079] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 5036 07:58:35.586271  # [   38.613910] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 5037 07:58:35.595902  # [   38.621880] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 5038 07:58:35.602557  # [   38.629848] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 5039 07:58:35.612516  # [   38.637816] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5040 07:58:35.619118  # [   38.645785] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 5041 07:58:35.629698  # [   38.653752] FS:  00007fa233171580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 5042 07:58:35.635653  # [   38.662788] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5043 07:58:35.645313  # [   38.669202] CR2: ffff9b2f40378fd6 CR3: 0000000104940004 CR4: 00000000003706e0

 5044 07:58:35.649311  # EXEC_VMALLOC: saw 'call trace:': ok

 5045 07:58:35.651935  ok 33 selftests: lkdtm: EXEC_VMALLOC.sh

 5046 07:58:35.661977  # selftests: lkdtm: EXEC_ROD[   46.560665] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 5047 07:58:35.662065  ATA.sh

 5048 07:58:35.662192  # Killed

 5049 07:58:35.672396  # [   38.774677] lkdtm: Performing direct entr[   46.569182] lkdtm: attempting good refcount_dec()

 5050 07:58:35.675774  y EXEC_RODATA

 5051 07:58:35.685497  # [   38.782397] lkdtm: attempting ok execution a[   46.580643] lkdtm: attempting bad refcount_dec() to zero

 5052 07:58:35.685585  t ffffffff9e4f5d30

 5053 07:58:35.695592  # [   38.795128] lkdtm: attempting bad execu[   46.592813] ------------[ cut here ]------------

 5054 07:58:35.698312  tion at ffffffff9f2d5f00

 5055 07:58:35.708337  # [   38.807977] kernel tried to execu[   46.604194] refcount_t: decrement hit 0; leaking memory.

 5056 07:58:35.711836  te NX-protected page - exploit attempt? (uid: 0)

 5057 07:58:35.725001  # [   38.82254[   46.616383] WARNING: CPU: 0 PID: 2108 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5058 07:58:35.774408  4] BUG: unable to handle page fault for address: ffffffff9f2d5f0[   46.632000] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5059 07:58:35.777603  0

 5060 07:58:35.790720  # [   38.830221] #PF: supervisor instruction fetch in kernel [   46.683872] CPU: 0 PID: 2108 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 5061 07:58:35.790814  mode

 5062 07:58:35.803840  # [   38.836541] #PF: error_code(0x0011) - permissions vio[   46.698749] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5063 07:58:35.803936  lation

 5064 07:58:35.816997  # [   38.842762] PGD 49229067 P4D 49229067 PUD 4922a063 [   46.711779] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5065 07:58:35.817088  PMD 8000000048c000e1 

 5066 07:58:35.823492  # [   38.856466] Oops: 0011 [#9] SMP PTI

 5067 07:58:35.843793  [   46.723822] Code: 98 90 66 9f c6 05 a3 0a 94 01 01 e8 6c a0 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 90 66 9f c6 05 8a 0a 94 01 01 e8 52 a0 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5068 07:58:35.843884  

 5069 07:58:35.856606  # [   38.860358] CPU: 1 PID: 1698 Comm: cat Tainted: G      D W[   46.751061] RSP: 0018:ffff9b2f42a2fe48 EFLAGS: 00010286

 5070 07:58:35.856698           5.10.173-cip27 #1

 5071 07:58:35.869899  # [   38.869005] Hardware name: Goog[   46.763203] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 5072 07:58:35.873518  le Rammus/Rammus, BIOS  09/04/2020

 5073 07:58:35.883241  # [   38.875811] RIP: 0010:l[   46.777355] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 5074 07:58:35.887161  kdtm_rodata_do_nothing+0x0/0x10

 5075 07:58:35.895974  # [   38.881547] Code: ff ff 10[   46.791567] RBP: ffffffff9f6cef79 R08: 0000000000000000 R09: 0000000000000000

 5076 07:58:35.912458   83 b7 9e ff ff ff ff 0a f1 6c 9f ff ff ff ff 56 6a b7 9e ff ff [   46.805734] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5077 07:58:35.925641  ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 <e9> 00 00[   46.820009] R13: ffff9b2f42a2ff10 R14: ffff9b2f42a2ff10 R15: ffff8ae685729000

 5078 07:58:35.932433   00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69

 5079 07:58:35.942152  # [  [   46.834131] FS:  00007f595a351580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 5080 07:58:35.945680   38.908738] RSP: 0018:ffff9b2f42347e48 EFLAGS: 00010246

 5081 07:58:35.955533  # [   3[   46.849431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5082 07:58:35.968886  8.914570] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 00000[   46.862025] CR2: 00007f595a15a000 CR3: 0000000103646006 CR4: 00000000003706f0

 5083 07:58:35.968976  00000000000

 5084 07:58:35.978764  # [   38.922538] RDX: 0000000000000000 RSI: ffff8ae[   46.876237] Call Trace:

 5085 07:58:35.981892  6fac9bf70 RDI: ffff8ae6fac9bf70

 5086 07:58:35.988600  # [   38.930506] RBP: ffffffff9[   46.885170]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 5087 07:58:35.992217  f2d5f00 R08: 0000000000000000 R09: 0000000000000000

 5088 07:58:35.999127  # [   38.93[   46.896361]  direct_entry.cold+0x2c/0x38

 5089 07:58:36.008471  8473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[   46.906942]  full_proxy_write+0x53/0x80

 5090 07:58:36.011759  000000c

 5091 07:58:36.018110  # [   38.946440] R13: ffff9b2f42347f10 R14: ffff9b2f423[   46.917466]  vfs_write+0xe7/0x3b0

 5092 07:58:36.021554  47f10 R15: ffff8ae683702000

 5093 07:58:36.028048  # [   38.954408] FS:  00007fb6770e1[   46.927362]  ksys_write+0x68/0xf0

 5094 07:58:36.035384  580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 5095 07:58:36.038419  # [ [   46.937290]  do_syscall_64+0x30/0x40

 5096 07:58:36.044998    38.963445] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5097 07:58:36.051269  [   46.947484]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5098 07:58:36.061434  # [   38.969858] CR2: ffffffff9f2d5f00 CR3: 000000010364a001 CR4[   46.959362] RIP: 0033:0x7f595a267833

 5099 07:58:36.064793  : 00000000003706e0

 5100 07:58:36.068048  # [   38.977826] Call Trace:

 5101 07:58:36.087840  # [   38.98055[   46.969549] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5102 07:58:36.090855  5]  ? execute_location+0x45/0x56

 5103 07:58:36.104412  # [   38.985050]  ? direct_ent[   46.996773] RSP: 002b:00007ffe8410e128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5104 07:58:36.104511  ry.cold+0x2c/0x38

 5105 07:58:36.117256  # [   38.995832]  ? full_proxy_write+0x53/0x8[   47.011423] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f595a267833

 5106 07:58:36.117345  0

 5107 07:58:36.120714  # [   39.000308]  ? vfs_write+0xe7/0x3b0

 5108 07:58:36.130725  # [   39.010407]  ?[   47.025637] RDX: 0000000000000012 RSI: 00007f595a15a000 RDI: 0000000000000001

 5109 07:58:36.133925   ksys_write+0x68/0xf0

 5110 07:58:36.146930  # [   39.014298]  ? do_syscall_64+0x30/0x[   47.039802] RBP: 00007f595a15a000 R08: 00007f595a159010 R09: 0000000000000000

 5111 07:58:36.147020  40

 5112 07:58:36.160246  # [   39.018471]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6[   47.054009] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5113 07:58:36.160334  

 5114 07:58:36.174097  # [   39.024325] Modules linked in: fuse ip_tables cros_ec_lid[   47.068180] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5115 07:58:36.183614  _angle cros_ec_sensors cros_ec_sensors_core industrialio_trigger[   47.082400] irq event stamp: 0

 5116 07:58:36.196548  ed_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_light[   47.091999] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5117 07:58:36.213820  bar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub [   47.105228] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5118 07:58:36.226920  videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debug[   47.120565] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5119 07:58:36.239331  fs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf[   47.135937] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5120 07:58:36.252933  2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chrome[   47.149135] ---[ end trace b9cc279d67662aaf ]---

 5121 07:58:36.255972  os_pstore coreboot_table

 5122 07:58:36.263131  # [   39.076186] CR2: ffffffff9f2d5f00[   47.160535] lkdtm: Zero detected: saturated

 5123 07:58:36.263222  

 5124 07:58:36.269440  # [   39.079873] ---[ end trace b9cc279d67662aa3 ]---

 5125 07:58:36.272570  # [   39.085026] RIP: 0010:lkdtm_BUG+0x5/0x10

 5126 07:58:36.295873  # [   39.089394] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 5127 07:58:36.302350  # [   39.110373] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 5128 07:58:36.308972  # [   39.116205] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 5129 07:58:36.315876  # [   39.124219] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 5130 07:58:36.325620  # [   39.132202] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 5131 07:58:36.332154  # [   39.140182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5132 07:58:36.342076  # [   39.148167] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 5133 07:58:36.351898  # [   39.156153] FS:  00007fb6770e1580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 5134 07:58:36.358313  # [   39.165193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5135 07:58:36.365084  # [   39.171607] CR2: ffffffff9f2d5f00 CR3: 000000010364a001 CR4: 00000000003706e0

 5136 07:58:36.375005  # [   39.179574] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5137 07:58:36.388176  # [   39.189484] in_atomic(): 0, irqs_disabled(): 1, non_bloc[   47.288214] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 5138 07:58:36.391966  k: 0, pid: 1698, name: cat

 5139 07:58:36.401597  # [   39.197936] INFO: lockdep is tu[   47.296227] lkdtm: attempting bad refcount_dec() below zero

 5140 07:58:36.401685  rned off.

 5141 07:58:36.404707  # [   39.202312] irq event stamp: 0

 5142 07:58:36.411078  # [   39.205716][   47.308665] ------------[ cut here ]------------

 5143 07:58:36.417804   hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5144 07:58:36.424497  # [   [   47.320039] refcount_t: decrement hit 0; leaking memory.

 5145 07:58:36.441030  39.212716] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] c[   47.332228] WARNING: CPU: 0 PID: 2143 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5146 07:58:36.441123  opy_process+0x664/0x1cb0

 5147 07:58:36.490859  # [   39.221848] softirqs last  enable[   47.347852] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5148 07:58:36.497246  d at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5149 07:58:36.507035  # [   [   47.399719] CPU: 0 PID: 2143 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 5150 07:58:36.520055  39.230996] softirqs last disabled at (0): [<0000000000000000>] 0[   47.414607] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5151 07:58:36.520148  x0

 5152 07:58:36.529956  # [   39.237994] CPU: 1 PID: 1698 Comm: cat Tainted: G      [   47.427617] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5153 07:58:36.533270  D W         5.10.173-cip27 #1

 5154 07:58:36.559704  # [   39.246640] Hardware name: G[   47.439718] Code: 98 90 66 9f c6 05 a3 0a 94 01 01 e8 6c a0 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 90 66 9f c6 05 8a 0a 94 01 01 e8 52 a0 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5155 07:58:36.563238  oogle Rammus/Rammus, BIOS  09/04/2020

 5156 07:58:36.569551  # [   39.253442] Call Tra[   47.466910] RSP: 0018:ffff9b2f42aa7e48 EFLAGS: 00010286

 5157 07:58:36.572951  ce:

 5158 07:58:36.576709  # [   39.256167]  dump_stack+0x77/0x9b

 5159 07:58:36.586297  # [   39.259866]  _[   47.478954] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 5160 07:58:36.589507  __might_sleep.cold+0xa6/0xb6

 5161 07:58:36.599346  # [   39.264427]  exit_signals+0x1[   47.493185] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 5162 07:58:36.599432  c/0x300

 5163 07:58:36.602477  # [   39.268406]  do_exit+0xc2/0xb00

 5164 07:58:36.612617  # [   39.271913] [   47.507342] RBP: ffffffff9f6cef8b R08: 0000000000000000 R09: 0000000000000000

 5165 07:58:36.615885   ? ksys_write+0x68/0xf0

 5166 07:58:36.629106  # [   39.275805]  make_task_dead+0x2f/0[   47.521564] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5167 07:58:36.629195  x30

 5168 07:58:36.632353  # [   39.279892]  rewind_stack_and_make_dead+0x17/0x20

 5169 07:58:36.642830  # [[   47.535733] R13: ffff9b2f42aa7f10 R14: ffff9b2f42aa7f10 R15: ffff8ae683641000

 5170 07:58:36.645787     39.285143] RIP: 0033:0x7fb676ff7833

 5171 07:58:36.655446  # [   39.289130] Code: 8[   47.549967] FS:  00007f9a7d8b1580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 5172 07:58:36.669045  b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f[   47.565215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5173 07:58:36.685198   00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48[   47.577876] CR2: 00007f9a7d6ba000 CR3: 00000001046fa003 CR4: 00000000003706f0

 5174 07:58:36.691776  > 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[   47.592039] Call Trace:

 5175 07:58:36.691866  

 5176 07:58:36.705016  # [   39.310110] RSP: 002b:00007fff2aa92c78 EFLAGS: 00000246 O[   47.601019]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 5177 07:58:36.708448  RIG_RAX: 0000000000000001

 5178 07:58:36.714773  # [   39.318564] RAX: ffffffffffffffd[   47.612608]  direct_entry.cold+0x2c/0x38

 5179 07:58:36.718713  a RBX: 000000000000000c RCX: 00007fb676ff7833

 5180 07:58:36.724699  # [   39.326531] [   47.623182]  full_proxy_write+0x53/0x80

 5181 07:58:36.734617  RDX: 000000000000000c RSI: 00007fb676eea000 RDI: 000000000000000[   47.633670]  vfs_write+0xe7/0x3b0

 5182 07:58:36.734704  1

 5183 07:58:36.744776  # [   39.334500] RBP: 00007fb676eea000 R08: 00007fb676ee9010 [   47.643602]  ksys_write+0x68/0xf0

 5184 07:58:36.748117  R09: 0000000000000000

 5185 07:58:36.754601  # [   39.342467] R10: fffffffffffffbc5 R1[   47.653506]  do_syscall_64+0x30/0x40

 5186 07:58:36.761173  1: 0000000000000246 R12: 0000000000000001

 5187 07:58:36.768091  # [   39.350434] R13:[   47.663737]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5188 07:58:36.774790   0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5189 07:58:36.777957  #[   47.675577] RIP: 0033:0x7f9a7d7c7833

 5190 07:58:36.781299   EXEC_RODATA: saw 'call trace:': ok

 5191 07:58:36.804252  ok 34 selftests: lkdtm: EXE[   47.685832] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5192 07:58:36.807668  C_RODATA.sh

 5193 07:58:36.810537  # selftests: lkdtm: EXEC_USERSPACE.sh

 5194 07:58:36.810624  # Killed

 5195 07:58:36.820514  # [   47.712993] RSP: 002b:00007ffdd6fb3888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5196 07:58:36.827250  [   39.501826] lkdtm: Performing direct entry EXEC_USERSPACE

 5197 07:58:36.833779  # [   47.727686] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9a7d7c7833

 5198 07:58:36.846711  [   39.513672] lkdtm: attempting ok execution at ffffffff9e4f5d3[   47.741870] RDX: 0000000000000016 RSI: 00007f9a7d6ba000 RDI: 0000000000000001

 5199 07:58:36.846801  0

 5200 07:58:36.863360  # [   39.526407] lkdtm: attempting bad execution at 00007f882[   47.756057] RBP: 00007f9a7d6ba000 R08: 00007f9a7d6b9010 R09: 0000000000000000

 5201 07:58:36.863450  695c000

 5202 07:58:36.876474  # [   39.539218] unable to execute userspace code (SMEP[   47.770255] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5203 07:58:36.876565  ?) (uid: 0)

 5204 07:58:36.889687  # [   39.551829] BUG: unable to handle page fault f[   47.784406] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5205 07:58:36.893146  or address: 00007f882695c000

 5206 07:58:36.899820  # [   39.559506] #PF: supervisor i[   47.798646] irq event stamp: 0

 5207 07:58:36.903001  nstruction fetch in kernel mode

 5208 07:58:36.912625  # [   39.565815] #PF: error_cod[   47.808222] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5209 07:58:36.916189  e(0x0011) - permissions violation

 5210 07:58:36.929466  # [   39.572035] PGD 80000001[   47.821467] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5211 07:58:36.942510  05dae067 P4D 8000000105dae067 PUD 1046f4067 PMD 103347067 PTE 10[   47.836788] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5212 07:58:36.945602  bc8f067

 5213 07:58:36.948989  # [   39.581761] Oops: 0011 [#10] SMP PTI

 5214 07:58:36.958952  # [   39.585[   47.852151] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5215 07:58:36.968673  740] CPU: 0 PID: 1734 Comm: cat Tainted: G      D W         5.10[   47.865356] ---[ end trace b9cc279d67662ab0 ]---

 5216 07:58:36.968764  .173-cip27 #1

 5217 07:58:36.978699  # [   39.594388] Hardware name: Google Rammus/Ram[   47.876732] lkdtm: Negative detected: saturated

 5218 07:58:36.982224  mus, BIOS  09/04/2020

 5219 07:58:36.985916  # [   39.601194] RIP: 0010:0x7f882695c000

 5220 07:58:36.995150  # [   39.605181] Code: Unable to access opcode bytes at RIP 0x7f882695bfd6.

 5221 07:58:36.998483  # [   39.612471] RSP: 0018:ffff9b2f423e7e50 EFLAGS: 00010246

 5222 07:58:37.008770  # [   39.618304] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 5223 07:58:37.015038  # [   39.626273] RDX: 0000000000000000 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 5224 07:58:37.024918  # [   39.634242] RBP: 00007f882695c000 R08: 0000000000000000 R09: 0000000000000000

 5225 07:58:37.031442  # [   39.642212] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 5226 07:58:37.041518  # [   39.650181] R13: ffff9b2f423e7f10 R14: ffff9b2f423e7f10 R15: ffff8ae6813ef000

 5227 07:58:37.051730  # [   39.658151] FS:  00007f882692d580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 5228 07:58:37.057962  # [   39.667186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5229 07:58:37.064703  # [   39.673600] CR2: 00007f882695c000 CR3: 0000000103890001 CR4: 00000000003706f0

 5230 07:58:37.067677  # [   39.681567] Call Trace:

 5231 07:58:37.074725  # [   39.684296]  ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae

 5232 07:58:37.078012  # [   39.689649]  ? direct_entry.cold+0x2c/0x38

 5233 07:58:37.081084  # [   39.694223]  ? full_proxy_write+0x53/0x80

 5234 07:58:37.087919  # [   39.698703]  ? vfs_write+0xe7/0x3b0

 5235 07:58:37.090698  # [   39.702599]  ? ksys_write+0x68/0xf0

 5236 07:58:37.094071  # [   39.706491]  ? do_syscall_64+0x30/0x40

 5237 07:58:37.100611  # [   39.710681]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5238 07:58:37.111080  # [   39.716517] Modules linked i[   48.006594] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 5239 07:58:37.124280  n: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sens[   48.019893] lkdtm: attempting bad refcount_dec_and_test() below zero

 5240 07:58:37.137521  ors_core industrialio_triggered_buffer kfifo_buf industrialio cr[   48.033203] ------------[ cut here ]------------

 5241 07:58:37.147295  os_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysf[   48.044602] refcount_t: underflow; use-after-free.

 5242 07:58:37.163376  s uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev v[   48.056181] WARNING: CPU: 0 PID: 2178 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 5243 07:58:37.216383  ideobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp[   48.071804] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5244 07:58:37.229362  _thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify [   48.123675] CPU: 0 PID: 2178 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 5245 07:58:37.235953  cros_kbd_led_backlight chromeos_pstore coreboot_table

 5246 07:58:37.242846  # [   39.[   48.138562] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5247 07:58:37.245920  762193] CR2: 00007f882695c000

 5248 07:58:37.255612  # [   39.765890] ---[ end trace b[   48.151584] RIP: 0010:refcount_warn_saturate+0xba/0x110

 5249 07:58:37.259524  9cc279d67662aa4 ]---

 5250 07:58:37.281967  # [   39.771037] RIP: 0010:lkdtm_BUG+0x5/0[   48.163630] Code: 01 01 e8 b6 a0 98 00 0f 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 9f c6 05 cc 0a 94 01 01 e8 93 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d b7 0a 94 01 00 0f 85 5e ff ff ff 48 c7

 5251 07:58:37.282061  x10

 5252 07:58:37.295442  # [   39.775413] Code: 89 ff e8 ae 5b a2 ff 48 c7 c0 ea ff [   48.190857] RSP: 0018:ffff9b2f42b3fe40 EFLAGS: 00010286

 5253 07:58:37.308630  ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff f[   48.202891] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 5254 07:58:37.321603  f ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f [   48.217097] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 5255 07:58:37.324847  1f 44 00 00 83 05 90 8d 9f 02

 5256 07:58:37.338412  # [   39.796395] RSP: 0018:ffff9b[   48.231270] RBP: ffffffff9f6cebe0 R08: 0000000000000000 R09: 0000000000000000

 5257 07:58:37.341794  2f41357e60 EFLAGS: 00010286

 5258 07:58:37.351272  # [   39.802227] RAX: ffffffff9e4f5[   48.245495] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5259 07:58:37.357787  960 RBX: 0000000000000001 RCX: 0000000000000000

 5260 07:58:37.364614  # [   39.810195[   48.259640] R13: ffff9b2f42b3ff10 R14: ffff9b2f42b3ff10 R15: ffff8ae6857a6000

 5261 07:58:37.381293  ] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5[   48.273859] FS:  00007f5ef9cf8580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 5262 07:58:37.381377  a70

 5263 07:58:37.394713  # [   39.818162] RBP: ffffffff9f733438 R08: 000000000000000[   48.289095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5264 07:58:37.397449  1 R09: 0000000000000001

 5265 07:58:37.407714  # [   39.826130] R10: 00000000ffffe000 [   48.301737] CR2: 00007f5ef9b01000 CR3: 000000010334a006 CR4: 00000000003706f0

 5266 07:58:37.410819  R11: 3fffffffffffffff R12: 0000000000000004

 5267 07:58:37.417440  # [   39.834098] R1[   48.315917] Call Trace:

 5268 07:58:37.423925  3: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 5269 07:58:37.431143  [   48.324878]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 5270 07:58:37.431226  

 5271 07:58:37.440419  # [   39.842067] FS:  00007f882692d580(0000) GS:ffff8ae6fac0000[   48.337202]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 5272 07:58:37.444214  0(0000) knlGS:0000000000000000

 5273 07:58:37.453663  # [   39.851095] CS:  0010 DS: 0[   48.349663]  direct_entry.cold+0x2c/0x38

 5274 07:58:37.457236  000 ES: 0000 CR0: 0000000080050033

 5275 07:58:37.464298  # [   39.857510] CR2: 00007f[   48.360237]  full_proxy_write+0x53/0x80

 5276 07:58:37.467236  882695c000 CR3: 0000000103890001 CR4: 00000000003706f0

 5277 07:58:37.473676  # EXEC_U[   48.370753]  vfs_write+0xe7/0x3b0

 5278 07:58:37.477010  SERSPACE: saw 'call trace:': ok

 5279 07:58:37.483704  ok 35 selftests: lkdtm: EXEC_US[   48.380651]  ksys_write+0x68/0xf0

 5280 07:58:37.483793  ERSPACE.sh

 5281 07:58:37.486948  # selftests: lkdtm: EXEC_NULL.sh

 5282 07:58:37.487025  # Killed

 5283 07:58:37.493648  # [   39[   48.390585]  do_syscall_64+0x30/0x40

 5284 07:58:37.497111  .969252] lkdtm: Performing direct entry EXEC_NULL

 5285 07:58:37.503758  # [   39.9767[   48.400773]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5286 07:58:37.510058  16] lkdtm: attempting ok execution at ffffffff9e4f5d30

 5287 07:58:37.513158  # [   39[   48.412651] RIP: 0033:0x7f5ef9c0e833

 5288 07:58:37.519758  .989442] lkdtm: attempting bad execution at 0000000000000000

 5289 07:58:37.542775  # [   48.422846] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5290 07:58:37.556289  [   40.002265] BUG: kernel NULL pointer dereference, address: 00[   48.450080] RSP: 002b:00007fffd48b4948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5291 07:58:37.559690  00000000000000

 5292 07:58:37.569238  # [   40.016251] #PF: supervisor instruction fet[   48.464729] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5ef9c0e833

 5293 07:58:37.572514  ch in kernel mode

 5294 07:58:37.585869  # [   40.022570] #PF: error_code(0x0010) - no[   48.478921] RDX: 000000000000001f RSI: 00007f5ef9b01000 RDI: 0000000000000001

 5295 07:58:37.585953  t-present page

 5296 07:58:37.589116  # [   40.028297] PGD 0 P4D 0 

 5297 07:58:37.599412  # [   40.031123] [   48.493101] RBP: 00007f5ef9b01000 R08: 00007f5ef9b00010 R09: 0000000000000000

 5298 07:58:37.602127  Oops: 0010 [#11] SMP PTI

 5299 07:58:37.611778  # [   40.041332] CPU: 1 PID: 1770 Comm[   48.507284] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5300 07:58:37.618393  : cat Tainted: G      D W         5.10.173-cip27 #1

 5301 07:58:37.628533  # [   40.04[   48.521468] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5302 07:58:37.635330  9982] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5303 07:58:37.638366  # [[   48.535668] irq event stamp: 0

 5304 07:58:37.638449     40.056787] RIP: 0010:0x0

 5305 07:58:37.651689  # [   40.059698] Code: Unable to ac[   48.545278] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5306 07:58:37.654855  cess opcode bytes at RIP 0xffffffffffffffd6.

 5307 07:58:37.664792  # [   40.067367] R[   48.558508] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5308 07:58:37.671122  SP: 0018:ffff9b2f42457e48 EFLAGS: 00010246

 5309 07:58:37.681166  # [   40.073198] RAX[   48.573846] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5310 07:58:37.687641  : 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 5311 07:58:37.694414  [   48.589227] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5312 07:58:37.704270  # [   40.081166] RDX: 0000000000000000 RSI: ffff8ae6fac9bf70 RDI[   48.602423] ---[ end trace b9cc279d67662ab1 ]---

 5313 07:58:37.707553  : ffff8ae6fac9bf70

 5314 07:58:37.717954  # [   40.089134] RBP: 0000000000000000 R08: [   48.613794] lkdtm: Negative detected: saturated

 5315 07:58:37.720819  0000000000000000 R09: 0000000000000000

 5316 07:58:37.730936  # [   40.097101] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 5317 07:58:37.737261  # [   40.105069] R13: ffff9b2f42457f10 R14: ffff9b2f42457f10 R15: ffff8ae682ad0000

 5318 07:58:37.747422  # [   40.113037] FS:  00007fd415079580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 5319 07:58:37.753752  # [   40.122074] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5320 07:58:37.760721  # [   40.128479] CR2: ffffffffffffffd6 CR3: 000000010388a006 CR4: 00000000003706e0

 5321 07:58:37.763538  # [   40.136447] Call Trace:

 5322 07:58:37.767584  # [   40.139175]  execute_location+0x45/0x56

 5323 07:58:37.773706  # [   40.143477]  direct_entry.cold+0x2c/0x38

 5324 07:58:37.776849  # [   40.154066]  full_proxy_write+0x53/0x80

 5325 07:58:37.780159  # [   40.158349]  vfs_write+0xe7/0x3b0

 5326 07:58:37.786969  # [   40.168254]  ksys_write+0x68/0xf0

 5327 07:58:37.790099  # [   40.171944]  do_syscall_64+0x30/0x40

 5328 07:58:37.796833  # [   40.175933]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5329 07:58:37.800109  # [   40.181572] RIP: 0033:0x7fd414f8f833

 5330 07:58:37.819917  # [   40.185559] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5331 07:58:37.829728  # [   40.206537] RSP: 002b:00007ffd915f0918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5332 07:58:37.836120  # [   40.215007] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd414f8f833

 5333 07:58:37.846658  # [   40.222998] RDX: 000000000000000a RSI: 00007fd414e82000 RDI: 0000000000000001

 5334 07:58:37.852628  # [   40.237179] RBP: 00007fd414e82000 R08: 00007fd414e81010 R09: 0000000000000000

 5335 07:58:37.862774  [   48.759278] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 5336 07:58:37.869244  [   48.769367] lkdtm: attempting bad refcount_sub_and_test() below zero

 5337 07:58:37.873067  [   48.776481] ------------[ cut here ]------------

 5338 07:58:37.879144  [   48.781641] refcount_t: underflow; use-after-free.

 5339 07:58:37.888869  [   48.787050] WARNING: CPU: 3 PID: 2213 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 5340 07:58:37.888956  

 5341 07:58:37.942206  # [   40.245147] R10: fffffffffffffbc5 R11: 0000000000000246 R1[   48.796485] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5342 07:58:37.942315  2: 0000000000000001

 5343 07:58:37.955209  # [   40.253115] R13: 0000000000000001 R14:[   48.848363] CPU: 3 PID: 2213 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 5344 07:58:37.961572  [   48.863222] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5345 07:58:37.964736   0000000000020000 R15: 0000000000020000

 5346 07:58:37.975004  # [   40.261086] Module[   48.870032] RIP: 0010:refcount_warn_saturate+0xba/0x110

 5347 07:58:37.994552  [   48.882081] Code: 01 01 e8 b6 a0 98 00 0f 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 9f c6 05 cc 0a 94 01 01 e8 93 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d b7 0a 94 01 00 0f 85 5e ff ff ff 48 c7

 5348 07:58:38.000945  [   48.903069] RSP: 0018:ffff9b2f42bcfe40 EFLAGS: 00010286

 5349 07:58:38.008213  [   48.908936] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 5350 07:58:38.024359  s linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cr[   48.916911] RDX: ffff8ae6fadac660 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70

 5351 07:58:38.030735  [   48.931096] RBP: ffffffff9f6cec00 R08: 0000000000000000 R09: 0000000000000000

 5352 07:58:38.044204  os_ec_sensors_core industrialio_triggered_buffer kfifo_buf indus[   48.939069] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5353 07:58:38.054032  [   48.953254] R13: ffff9b2f42bcff10 R14: ffff9b2f42bcff10 R15: ffff8ae683be7000

 5354 07:58:38.067355  trialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cr[   48.961256] FS:  00007f464b20a580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000

 5355 07:58:38.073520  [   48.976501] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5356 07:58:38.083566  [   48.982922] CR2: 00007f464b013000 CR3: 0000000105702006 CR4: 00000000003706e0

 5357 07:58:38.086674  [   48.990949] Call Trace:

 5358 07:58:38.096489  os_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec[   48.993699]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 5359 07:58:38.103475  [   49.006023]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 5360 07:58:38.109856  [   49.012269]  direct_entry.cold+0x2c/0x38

 5361 07:58:38.119510  _chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x8[   49.016658]  full_proxy_write+0x53/0x80

 5362 07:58:38.122783  [   49.027149]  vfs_write+0xe7/0x3b0

 5363 07:58:38.126138  [   49.030880]  ksys_write+0x68/0xf0

 5364 07:58:38.129435  [   49.034583]  do_syscall_64+0x30/0x40

 5365 07:58:38.135678  [   49.038607]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5366 07:58:38.138902  [   49.044253] RIP: 0033:0x7f464b120833

 5367 07:58:38.168818  6_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usb[   49.048253] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5368 07:58:38.175121  [   49.075445] RSP: 002b:00007ffedec1b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5369 07:58:38.185553  [   49.083903] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f464b120833

 5370 07:58:38.192534  [   49.091877] RDX: 000000000000001f RSI: 00007f464b013000 RDI: 0000000000000001

 5371 07:58:38.198382  [   49.099848] RBP: 00007f464b013000 R08: 00007f464b012010 R09: 0000000000000000

 5372 07:58:38.208511  [   49.107821] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5373 07:58:38.214979  [   49.115793] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5374 07:58:38.218544  [   49.123769] irq event stamp: 0

 5375 07:58:38.225007  [   49.127207] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5376 07:58:38.234864  [   49.134211] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5377 07:58:38.244451  [   49.143355] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5378 07:58:38.251040  [   49.152492] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5379 07:58:38.257852  [   49.159491] ---[ end trace b9cc279d67662ab2 ]---

 5380 07:58:38.261187  [   49.164648] lkdtm: Negative detected: saturated

 5381 07:58:38.267834  pd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5382 07:58:38.270769  # [   40.312945] CR2: 0000000000000000

 5383 07:58:38.277478  # [   40.316642] ---[ end trace b9cc279d67662aa5 ]---

 5384 07:58:38.280924  # [   40.321816] RIP: 0010:lkdtm_BUG+0x5/0x10

 5385 07:58:38.303891  # [   40.326192] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 5386 07:58:38.310561  # [   40.347171] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 5387 07:58:38.317424  # [   40.353002] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 5388 07:58:38.323982  # [   40.360969] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 5389 07:58:38.334020  # [   40.368937] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 5390 07:58:38.340615  # [   40.376905] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5391 07:58:38.350386  # [   40.384872] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 5392 07:58:38.359869  # [   40.392840] FS:  00007fd415079580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 5393 07:58:38.367056  # [   40.401874] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5394 07:58:38.379882  # [   40.408287] CR2: ffffffffffffffd6 CR3: 000000010388a006 CR4: 00000000003706e0[   49.277314] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 5395 07:58:38.379969  

 5396 07:58:38.393528  # [   40.416256] BUG: sleeping function called from invalid co[   49.287968] lkdtm: attempting safe refcount_inc_not_zero() from zero

 5397 07:58:38.396636  ntext at include/linux/percpu-rwsem.h:49

 5398 07:58:38.403367  # [   40.426167] in_at[   49.301288] lkdtm: Good: zero detected

 5399 07:58:38.413375  omic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1770, name: ca[   49.311675] lkdtm: Correctly stayed at zero

 5400 07:58:38.416140  t

 5401 07:58:38.419541  # [   40.434611] INFO: lockdep is turned off.

 5402 07:58:38.426394  # [   40.43898[   49.322616] lkdtm: attempting bad refcount_inc() from zero

 5403 07:58:38.429470  8] irq event stamp: 0

 5404 07:58:38.439661  # [   40.442392] hardirqs last  enabled a[   49.334934] ------------[ cut here ]------------

 5405 07:58:38.442647  t (0): [<0000000000000000>] 0x0

 5406 07:58:38.449221  # [   40.449391] hardirqs last [   49.346324] refcount_t: addition on 0; use-after-free.

 5407 07:58:38.455631  disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5408 07:58:38.465763  [   49.358272] WARNING: CPU: 0 PID: 2245 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 5409 07:58:38.465854  

 5410 07:58:38.518798  # [   40.458524] softirqs last  enabled at (0): [<ffffffff9dcff[   49.373924] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5411 07:58:38.521877  5e4>] copy_process+0x664/0x1cb0

 5412 07:58:38.531887  # [   40.467657] softirqs last [   49.425749] CPU: 0 PID: 2245 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 5413 07:58:38.538040  disabled at (0): [<0000000000000000>] 0x0

 5414 07:58:38.545102  # [   40.474657] CPU:[   49.440684] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5415 07:58:38.557931   1 PID: 1770 Comm: cat Tainted: G      D W         5.10.173-cip2[   49.453676] RIP: 0010:refcount_warn_saturate+0x74/0x110

 5416 07:58:38.558015  7 #1

 5417 07:58:38.584321  # [   40.483304] Hardware name: Google Rammus/Rammus, BIOS[   49.465716] Code: 01 01 e8 fc a0 98 00 0f 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66 9f c6 05 13 0b 94 01 01 e8 d9 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66

 5418 07:58:38.587996    09/04/2020

 5419 07:58:38.588076  # [   40.490107] Call Trace:

 5420 07:58:38.597605  # [   40.492834]  du[   49.492932] RSP: 0018:ffff9b2f42c3fe48 EFLAGS: 00010286

 5421 07:58:38.597684  mp_stack+0x77/0x9b

 5422 07:58:38.610960  # [   40.496547]  ___might_sleep.cold+0xa6/0[   49.504996] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 5423 07:58:38.611047  xb6

 5424 07:58:38.617300  # [   40.501121]  exit_signals+0x1c/0x300

 5425 07:58:38.623819  # [   40.505110][   49.519159] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 5426 07:58:38.627076    do_exit+0xc2/0xb00

 5427 07:58:38.630735  # [   40.508612]  ? ksys_write+0x68/0xf0

 5428 07:58:38.640594  [   49.533373] RBP: ffffffff9f6cefa1 R08: 0000000000000000 R09: 0000000000000000

 5429 07:58:38.643894  # [   40.512520]  make_task_dead+0x2f/0x30

 5430 07:58:38.653332  # [   40.516604]  re[   49.547536] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5431 07:58:38.656845  wind_stack_and_make_dead+0x17/0x20

 5432 07:58:38.666687  # [   40.521856] RIP: 0033:0[   49.561754] R13: ffff9b2f42c3ff10 R14: ffff9b2f42c3ff10 R15: ffff8ae683c6f000

 5433 07:58:38.670257  x7fd414f8f833

 5434 07:58:38.683387  # [   40.525844] Code: 8b 15 61 26 0e 00 f7 d8 64[   49.575919] FS:  00007f5064896580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 5435 07:58:38.696302   89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 [   49.591238] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5436 07:58:38.709253  00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3[   49.603844] CR2: 00007f506469f000 CR3: 0000000104946001 CR4: 00000000003706f0

 5437 07:58:38.713268   0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5438 07:58:38.719422  # [   40.546822] RSP: 0[   49.618038] Call Trace:

 5439 07:58:38.729075  02b:00007ffd915f0918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001[   49.626998]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 5440 07:58:38.729165  

 5441 07:58:38.742459  # [   40.555276] RAX: ffffffffffffffda RBX: 000000000000000a R[   49.638169]  direct_entry.cold+0x2c/0x38

 5442 07:58:38.742585  CX: 00007fd414f8f833

 5443 07:58:38.752424  # [   40.563244] RDX: 000000000000000a RSI[   49.648768]  full_proxy_write+0x53/0x80

 5444 07:58:38.755658  : 00007fd414e82000 RDI: 0000000000000001

 5445 07:58:38.761780  # [   40.571212] RBP: [   49.659255]  vfs_write+0xe7/0x3b0

 5446 07:58:38.768411  00007fd414e82000 R08: 00007fd414e81010 R09: 0000000000000000

 5447 07:58:38.772079  # [   49.669224]  ksys_write+0x68/0xf0

 5448 07:58:38.781965  [   40.579180] R10: fffffffffffffbc5 R11: 0000000000000246 R12: [   49.679137]  do_syscall_64+0x30/0x40

 5449 07:58:38.782049  0000000000000001

 5450 07:58:38.791828  # [   40.587148] R13: 0000000000000001 R14: 00[   49.689375]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5451 07:58:38.798774  00000000020000 R15: 0000000000020000

 5452 07:58:38.804913  # EXEC_NULL: saw 'call tra[   49.701200] RIP: 0033:0x7f50647ac833

 5453 07:58:38.804994  ce:': ok

 5454 07:58:38.808322  ok 36 selftests: lkdtm: EXEC_NULL.sh

 5455 07:58:38.831104  # selftests: lkd[   49.711464] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5456 07:58:38.834585  tm: ACCESS_USERSPACE.sh

 5457 07:58:38.834667  # Killed

 5458 07:58:38.844396  # [   40.703184] lkdtm: Perfo[   49.738627] RSP: 002b:00007fffbe86d058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5459 07:58:38.847758  rming direct entry ACCESS_USERSPACE

 5460 07:58:38.861025  # [   40.713288] lkdtm: att[   49.753364] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f50647ac833

 5461 07:58:38.864162  empting bad read at 00007f72dc4a8000

 5462 07:58:38.873770  # [   40.719431] BUG: unab[   49.767516] RDX: 0000000000000012 RSI: 00007f506469f000 RDI: 0000000000000001

 5463 07:58:38.880357  le to handle page fault for address: 00007f72dc4a8000

 5464 07:58:38.887401  # [   40.[   49.781753] RBP: 00007f506469f000 R08: 00007f506469e010 R09: 0000000000000000

 5465 07:58:38.893482  733310] #PF: supervisor read access in kernel mode

 5466 07:58:38.903792  # [   40.739[   49.795926] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5467 07:58:38.907024  046] #PF: error_code(0x0001) - permissions violation

 5468 07:58:38.916555  # [   40.7[   49.810172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5469 07:58:38.926444  45266] PGD 8000000106e57067 P4D 8000000106e57067 PUD 10335e067 P[   49.824332] irq event stamp: 0

 5470 07:58:38.929914  MD 105f59067 PTE 10f076067

 5471 07:58:38.939917  # [   40.761204] Oops: 0001 [#12] SM[   49.834035] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5472 07:58:38.940001  P PTI

 5473 07:58:38.952914  # [   40.765193] CPU: 2 PID: 1805 Comm: cat Tainted: G   [   49.847197] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5474 07:58:38.956358     D W         5.10.173-cip27 #1

 5475 07:58:38.969584  # [   40.773843] Hardware name[   49.862583] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5476 07:58:38.972618  : Google Rammus/Rammus, BIOS  09/04/2020

 5477 07:58:38.982423  # [   40.780648] RIP: [   49.877922] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5478 07:58:38.986312  0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 5479 07:58:38.996258  # [   40.786870] Cod[   49.891162] ---[ end trace b9cc279d67662ab3 ]---

 5480 07:58:39.005847  e: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c[   49.902528] lkdtm: Zero detected: saturated

 5481 07:58:39.019057  7 28 fe 6c 9f e8 6d 91 fd ff 48 c7 c7 50 fe 6c 9f b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 54 91 fd ff 48 89 ee 48 c7 c7 78 fe 6c

 5482 07:58:39.025473  # [   40.807839] RSP: 0018:ffff9b2f4251fe48 EFLAGS: 00010246

 5483 07:58:39.032484  # [   40.813670] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000

 5484 07:58:39.042142  # [   40.821638] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f6cfe50

 5485 07:58:39.048448  # [   40.829605] RBP: 00007f72dc4a8000 R08: 0000000000000000 R09: 0000000000000000

 5486 07:58:39.058879  # [   40.837573] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011

 5487 07:58:39.065010  # [   40.845540] R13: ffff9b2f4251ff10 R14: ffff9b2f4251ff10 R15: ffff8ae6845a0000

 5488 07:58:39.075378  # [   40.853508] FS:  00007f72dc479580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 5489 07:58:39.081539  # [   40.862542] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5490 07:58:39.088430  # [   40.868956] CR2: 00007f72dc4a8000 CR3: 0000000103714005 CR4: 00000000003706e0

 5491 07:58:39.091468  # [   40.876924] Call Trace:

 5492 07:58:39.098120  # [   40.879652]  direct_entry.cold+0x2c/0x38

 5493 07:58:39.101809  # [   40.884032]  full_proxy_write+0x53/0x80

 5494 07:58:39.104616  # [   40.888314]  vfs_write+0xe7/0x3b0

 5495 07:58:39.107593  # [   40.892012]  ksys_write+0x68/0xf0

 5496 07:58:39.114448  # [   40.895710]  do_syscall_64+0x30/0x40

 5497 07:58:39.124241  # [   40.899698]  entry_SYSCALL_64_after_hw[   50.024282] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 5498 07:58:39.124332  frame+0x61/0xc6

 5499 07:58:39.131211  # [   40.905337] RIP: 0033:0x7f72dc38f833

 5500 07:58:39.137522  # [ [   50.031707] lkdtm: attempting safe refcount_add_not_zero() from zero

 5501 07:58:39.147899    40.909325] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff [   50.045047] lkdtm: Good: zero detected

 5502 07:58:39.157415  ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 0[   50.055438] lkdtm: Correctly stayed at zero

 5503 07:58:39.170904  1 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 [   50.066287] lkdtm: attempting bad refcount_add() from zero

 5504 07:58:39.174234  ec 28 48 89 54 24 18

 5505 07:58:39.180909  # [   40.930303] RSP: 002b:00007ffe617e285[   50.078629] ------------[ cut here ]------------

 5506 07:58:39.187246  8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5507 07:58:39.194297  # [   40.938749] [   50.090043] refcount_t: addition on 0; use-after-free.

 5508 07:58:39.210207  RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f72dc38f83[   50.102009] WARNING: CPU: 0 PID: 2277 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 5509 07:58:39.210293  3

 5510 07:58:39.263032  # [   40.946727] RDX: 0000000000000011 RSI: 00007f72dc282000 [   50.117597] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5511 07:58:39.263131  RDI: 0000000000000001

 5512 07:58:39.276143  # [   40.954686] RBP: 00007f72dc282000 R0[   50.169503] CPU: 0 PID: 2277 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 5513 07:58:39.279562  8: 00007f72dc281010 R09: 0000000000000000

 5514 07:58:39.289882  # [   40.962654] R10:[   50.184380] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5515 07:58:39.296154   fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5516 07:58:39.302632  #[   50.197445] RIP: 0010:refcount_warn_saturate+0x74/0x110

 5517 07:58:39.329195   [   40.970639] R13: 0000000000000001 R14: 0000000000020000 R15:[   50.209470] Code: 01 01 e8 fc a0 98 00 0f 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66 9f c6 05 13 0b 94 01 01 e8 d9 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66

 5518 07:58:39.329289   0000000000020000

 5519 07:58:39.342106  # [   40.978619] Modules linked in: fuse ip_t[   50.236699] RSP: 0018:ffff9b2f42b1fe48 EFLAGS: 00010286

 5520 07:58:39.355579  ables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core ind[   50.248772] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 5521 07:58:39.368467  ustrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_log[   50.262983] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 5522 07:58:39.381533  ger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo c[   50.277176] RBP: ffffffff9f6cefb3 R08: 0000000000000000 R09: 0000000000000000

 5523 07:58:39.398226  ros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_mem[   50.291397] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5524 07:58:39.411330  ops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cro[   50.305581] R13: ffff9b2f42b1ff10 R14: ffff9b2f42b1ff10 R15: ffff8ae685675000

 5525 07:58:39.427768  s_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led[   50.319796] FS:  00007f26b246f580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 5526 07:58:39.431023  _backlight chromeos_pstore coreboot_table

 5527 07:58:39.440924  # [   41.030490] CR2:[   50.335049] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5528 07:58:39.441014   00007f72dc4a8000

 5529 07:58:39.454136  # [   41.034187] ---[ end trace b9cc279d67662[   50.347719] CR2: 00007f26b2278000 CR3: 00000001036bc006 CR4: 00000000003706f0

 5530 07:58:39.454227  aa6 ]---

 5531 07:58:39.460891  # [   41.039334] RIP: 0010:lkdtm_BUG+0x5/0x10

 5532 07:58:39.464219  # [   4[   50.361900] Call Trace:

 5533 07:58:39.474357  1.043709] Code: 89 ff e8 ae 5b a2 ff 48 c7 c0 ea ff ff ff eb de [   50.370878]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 5534 07:58:39.484415  48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0[   50.382050]  direct_entry.cold+0x2c/0x38

 5535 07:58:39.493724  f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 [   50.392691]  full_proxy_write+0x53/0x80

 5536 07:58:39.497049  83 05 90 8d 9f 02

 5537 07:58:39.504031  # [   41.064690] RSP: 0018:ffff9b2f41357e60 E[   50.403166]  vfs_write+0xe7/0x3b0

 5538 07:58:39.507107  FLAGS: 00010286

 5539 07:58:39.513629  # [   41.070528] RAX: ffffffff9e4f5960 RBX: 000[   50.413110]  ksys_write+0x68/0xf0

 5540 07:58:39.520648  0000000000001 RCX: 0000000000000000

 5541 07:58:39.526804  # [   41.078510] RDX: 00000[   50.423021]  do_syscall_64+0x30/0x40

 5542 07:58:39.530457  00000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 5543 07:58:39.536661  # [   4[   50.433259]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5544 07:58:39.546751  1.086473] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 00000[   50.445110] RIP: 0033:0x7f26b2385833

 5545 07:58:39.550261  00000000001

 5546 07:58:39.573189  # [   41.094441] R10: 00000000ffffe000 R11: 3ffffff[   50.455325] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5547 07:58:39.576155  fffffffff R12: 0000000000000004

 5548 07:58:39.589475  # [   41.102433] R13: ffff9b2f4[   50.482519] RSP: 002b:00007ffcfcabf938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5549 07:58:39.592757  1357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 5550 07:58:39.602714  # [   41.11[   50.497224] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f26b2385833

 5551 07:58:39.619067  0402] FS:  00007f72dc479580(0000) GS:ffff8ae6fad00000(0000) knlG[   50.511404] RDX: 0000000000000012 RSI: 00007f26b2278000 RDI: 0000000000000001

 5552 07:58:39.619166  S:0000000000000000

 5553 07:58:39.632553  # [   41.119442] CS:  0010 DS: 0000 ES: 0000[   50.525596] RBP: 00007f26b2278000 R08: 00007f26b2277010 R09: 0000000000000000

 5554 07:58:39.635532   CR0: 0000000080050033

 5555 07:58:39.645310  # [   41.125864] CR2: 00007f72dc4a8000 C[   50.539774] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5556 07:58:39.648996  R3: 0000000103714005 CR4: 00000000003706e0

 5557 07:58:39.658670  # ACCESS_USERSPACE: [   50.553997] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5558 07:58:39.661836  saw 'call trace:': ok

 5559 07:58:39.668701  ok 37 selftests: lkdtm: ACCESS_USERSPACE.[   50.568206] irq event stamp: 0

 5560 07:58:39.668784  sh

 5561 07:58:39.675388  # selftests: lkdtm: ACCESS_NULL.sh

 5562 07:58:39.675473  # Killed

 5563 07:58:39.681576  # [   41.28286[   50.577856] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5564 07:58:39.688419  1] lkdtm: Performing direct entry ACCESS_NULL

 5565 07:58:39.698354  # [   41.288797] [   50.591070] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5566 07:58:39.701356  lkdtm: attempting bad read at 0000000000000000

 5567 07:58:39.714754  # [   41.294954][   50.606455] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5568 07:58:39.727893   BUG: kernel NULL pointer dereference, address: 0000000000000000[   50.621824] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5569 07:58:39.727978  

 5570 07:58:39.734874  # [   41.302736] #PF: supervisor read access in kernel mode

 5571 07:58:39.738190  #[   50.635069] ---[ end trace b9cc279d67662ab4 ]---

 5572 07:58:39.744317   [   41.314684] #PF: error_code(0x0000) - not-present page

 5573 07:58:39.750690  # [ [   50.646440] lkdtm: Zero detected: saturated

 5574 07:58:39.750769    41.320418] PGD 0 P4D 0 

 5575 07:58:39.757711  # [   41.323240] Oops: 0000 [#13] SMP PTI

 5576 07:58:39.763930  # [   41.327227] CPU: 3 PID: 1840 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 5577 07:58:39.770763  # [   41.335874] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5578 07:58:39.777091  # [   41.342680] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 5579 07:58:39.796914  # [   41.347930] Code: 11 91 fd ff be 00 10 00 00 48 89 ef e8 15 15 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 28 fe 6c 9f e8 eb 90 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 50 fe 6c 9f 48 01

 5580 07:58:39.803739  # [   41.368909] RSP: 0018:ffff9b2f425d7e58 EFLAGS: 00010246

 5581 07:58:39.813508  # [   41.374740] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 5582 07:58:39.820323  # [   41.382709] RDX: 0000000000000000 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70

 5583 07:58:39.830314  # [   41.390676] RBP: ffffffff9f6cef19 R08: 0000000000000000 R09: 0000000000000000

 5584 07:58:39.836702  # [   41.398644] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 5585 07:58:39.846413  # [   41.406611] R13: ffff9b2f425d7f10 R14: ffff9b2f425d7f10 R15: ffff8ae6845e1000

 5586 07:58:39.853223  # [   41.414578] FS:  00007fbca46d5580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000

 5587 07:58:39.859636  # [   41.423614] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5588 07:58:39.869645  # [   41.430029] CR2: 0000000000000000 CR3: 0000000103bae004 CR4: 00000000003706e0

 5589 07:58:39.873184  # [   41.437997] Call Trace:

 5590 07:58:39.876568  # [   41.440725]  direct_entry.cold+0x2c/0x38

 5591 07:58:39.882626  # [   41.445103]  full_proxy_write+0x53/0x80

 5592 07:58:39.885887  # [   41.449383]  vfs_write+0xe7/0x3b0

 5593 07:58:39.889370  # [   41.453079]  ksys_write+0x68/0xf0

 5594 07:58:39.892771  # [   41.456775]  do_syscall_64+0x30/0x40

 5595 07:58:39.905918  # [   41.460763]  entry_SYSCALL_64_after_hwframe+0x61/[   50.801822] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 5596 07:58:39.912575  [   50.813280] lkdtm: attempting bad refcount_inc() from saturated

 5597 07:58:39.915800  [   50.819901] ------------[ cut here ]------------

 5598 07:58:39.922442  [   50.825065] refcount_t: saturated; leaking memory.

 5599 07:58:39.932000  [   50.830428] WARNING: CPU: 2 PID: 2312 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5600 07:58:39.932080  0xc6

 5601 07:58:39.935581  # [   41.466393] RIP: 0033:0x7fbca45eb833

 5602 07:58:39.985280  # [   41.470380[   50.839864] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5603 07:58:39.991674  [   50.891765] CPU: 2 PID: 2312 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 5604 07:58:39.998218  [   50.900447] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5605 07:58:40.004615  [   50.907256] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5606 07:58:40.027830  [   50.913123] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 47 0b 94 01 00 75 ee 48 c7 c7 e8 8f 66 9f c6 05 37 0b 94 01 01 e8 fc a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66

 5607 07:58:40.037564  ] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb[   50.934107] RSP: 0018:ffff9b2f42d27e48 EFLAGS: 00010286

 5608 07:58:40.047329  [   50.946157] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 5609 07:58:40.060421   b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 [   50.954132] RDX: ffff8ae6fad2c660 RSI: ffff8ae6fad1bf70 RDI: ffff8ae6fad1bf70

 5610 07:58:40.073831  0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89[   50.968320] RBP: ffffffff9f6cefc5 R08: 0000000000000000 R09: 0000000000000000

 5611 07:58:40.083561  [   50.982503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5612 07:58:40.083650   54 24 18

 5613 07:58:40.097198  # [   41.491360] RSP: 002b:00007ffe8d92b438 EFLAGS: 0[   50.990475] R13: ffff9b2f42d27f10 R14: ffff9b2f42d27f10 R15: ffff8ae683735000

 5614 07:58:40.107071  [   51.004659] FS:  00007ff40c7fd580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 5615 07:58:40.113684  [   51.013698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5616 07:58:40.120469  [   51.020114] CR2: 00007ff40c606000 CR3: 0000000105f70005 CR4: 00000000003706e0

 5617 07:58:40.123842  [   51.028084] Call Trace:

 5618 07:58:40.126649  [   51.030814]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 5619 07:58:40.133161  [   51.036293]  direct_entry.cold+0x2c/0x38

 5620 07:58:40.136777  [   51.040696]  full_proxy_write+0x53/0x80

 5621 07:58:40.139963  [   51.045003]  vfs_write+0xe7/0x3b0

 5622 07:58:40.143420  [   51.048726]  ksys_write+0x68/0xf0

 5623 07:58:40.149951  [   51.052426]  do_syscall_64+0x30/0x40

 5624 07:58:40.153603  [   51.056416]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5625 07:58:40.156444  0000246 ORIG_RAX: 0000000000000001

 5626 07:58:40.163391  # [   41.499814] RAX: ffffff[   51.062060] RIP: 0033:0x7ff40c713833

 5627 07:58:40.185889  [   51.072267] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5628 07:58:40.192708  [   51.093257] RSP: 002b:00007fff6d150278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5629 07:58:40.202965  [   51.101714] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007ff40c713833

 5630 07:58:40.209439  [   51.109685] RDX: 0000000000000017 RSI: 00007ff40c606000 RDI: 0000000000000001

 5631 07:58:40.219091  [   51.117654] RBP: 00007ff40c606000 R08: 00007ff40c605010 R09: 0000000000000000

 5632 07:58:40.225852  [   51.125617] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5633 07:58:40.232475  [   51.133589] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5634 07:58:40.235999  [   51.141563] irq event stamp: 0

 5635 07:58:40.245465  [   51.145001] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5636 07:58:40.252760  [   51.152002] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5637 07:58:40.261885  [   51.161137] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5638 07:58:40.268818  [   51.170273] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5639 07:58:40.275574  [   51.177273] ---[ end trace b9cc279d67662ab5 ]---

 5640 07:58:40.281901  [   51.182447] lkdtm: Saturation detected: still saturated

 5641 07:58:40.285355  ffffffffda RBX: 000000000000000c RCX: 00007fbca45eb833

 5642 07:58:40.294689  # [   41.507781] RDX: 000000000000000c RSI: 00007fbca44de000 RDI: 0000000000000001

 5643 07:58:40.301553  # [   41.515768] RBP: 00007fbca44de000 R08: 00007fbca44dd010 R09: 0000000000000000

 5644 07:58:40.311591  # [   41.523727] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5645 07:58:40.318090  # [   41.531741] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5646 07:58:40.364415  # [   41.539737] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5647 07:58:40.367749  # [   41.591607] CR2: 0000000000000000

 5648 07:58:40.374221  # [   41.595306] ---[ end trace b9cc279d67662aa7 ]---

 5649 07:58:40.377606  # [   41.606673] RIP: 0010:lkdtm_BUG+0x5/0x10

 5650 07:58:40.400443  # [   41.611051] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 5651 07:58:40.403648  # [   41.638244] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 5652 07:58:40.413502  # [   41.644078] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 5653 07:58:40.420181  # [   41.652046] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 5654 07:58:40.430255  # [   41.660006] R[   51.327684] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 5655 07:58:40.443517  BP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001[   51.338226] lkdtm: attempting bad refcount_dec() from saturated

 5656 07:58:40.443609  

 5657 07:58:40.453261  # [   41.674187] R10: 00000000ffffe000 R11: 3fffffffffffffff R[   51.351055] ------------[ cut here ]------------

 5658 07:58:40.460210  [   51.362423] refcount_t: decrement hit 0; leaking memory.

 5659 07:58:40.463123  12: 0000000000000004

 5660 07:58:40.476330  # [   41.682149] R13: ffff9b2f41357f10 R14[   51.368385] WARNING: CPU: 1 PID: 2347 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5661 07:58:40.479658  : ffff9b2f41357f10 R15: ffff8ae683363000

 5662 07:58:40.529383  # [   41.690118] FS:  [   51.383993] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5663 07:58:40.542698  00007fbca46d5580(0000) GS:ffff8ae6fad80000(0000) knlGS:000000000[   51.435856] CPU: 1 PID: 2347 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 5664 07:58:40.542794  0000000

 5665 07:58:40.555912  # [   41.699155] CS:  0010 DS: 0000 ES: 0000 CR0: 00000[   51.450722] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5666 07:58:40.556032  00080050033

 5667 07:58:40.568898  # [   41.711783] CR2: 0000000000000000 CR3: 0000000[   51.463744] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5668 07:58:40.572069  103bae004 CR4: 00000000003706e0

 5669 07:58:40.595397  # ACCESS_NULL: saw 'call trace:[   51.475797] Code: 98 90 66 9f c6 05 a3 0a 94 01 01 e8 6c a0 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 90 66 9f c6 05 8a 0a 94 01 01 e8 52 a0 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5670 07:58:40.595489  ': ok

 5671 07:58:40.598583  ok 38 selftests: lkdtm: ACCESS_NULL.sh

 5672 07:58:40.608189  # selftests: lkdt[   51.502999] RSP: 0018:ffff9b2f42d97e48 EFLAGS: 00010286

 5673 07:58:40.608281  m: WRITE_RO.sh

 5674 07:58:40.608354  # Killed

 5675 07:58:40.622075  # [   41.830014] lkdtm: Performing dir[   51.515044] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 5676 07:58:40.622164  ect entry WRITE_RO

 5677 07:58:40.634943  # [   41.837068] lkdtm: attempting bad rodat[   51.529238] RDX: ffff8ae6facac660 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70

 5678 07:58:40.638068  a write at ffffffff9f2d5ef0

 5679 07:58:40.648073  # [   41.850190] BUG: unable to han[   51.543421] RBP: ffffffff9f6cefdc R08: 0000000000000000 R09: 0000000000000000

 5680 07:58:40.654927  dle page fault for address: ffffffff9f2d5ef0

 5681 07:58:40.664714  # [   41.864076] #[   51.557602] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5682 07:58:40.667950  PF: supervisor write access in kernel mode

 5683 07:58:40.677940  # [   41.869908] #PF[   51.571790] R13: ffff9b2f42d97f10 R14: ffff9b2f42d97f10 R15: ffff8ae683671000

 5684 07:58:40.681010  : error_code(0x0003) - permissions violation

 5685 07:58:40.694037  # [   41.876129] P[   51.585982] FS:  00007f8237721580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 5686 07:58:40.700821  GD 49229067 P4D 49229067 PUD 4922a063 PMD 8000000048c000e1 

 5687 07:58:40.707668  # [[   51.601235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5688 07:58:40.710399     41.889833] Oops: 0003 [#14] SMP PTI

 5689 07:58:40.720421  # [   41.893813] CPU: 1 [   51.613871] CR2: 00007f823752a000 CR3: 0000000105fce001 CR4: 00000000003706e0

 5690 07:58:40.730311  PID: 1875 Comm: cat Tainted: G      D W         5.10.173-cip27 #[   51.628059] Call Trace:

 5691 07:58:40.730398  1

 5692 07:58:40.740654  # [   41.902462] Hardware name: Google Rammus/Rammus, BIOS  0[   51.637005]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 5693 07:58:40.740742  9/04/2020

 5694 07:58:40.747219  # [   41.909259] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 5695 07:58:40.750366  [   51.648667]  direct_entry.cold+0x2c/0x38

 5696 07:58:40.760025  # [   41.914219] Code: 00 48 c7 c7 08 fd 6c 9f 48 c7 c6 f0 5e 2d[   51.659262]  full_proxy_write+0x53/0x80

 5697 07:58:40.770250   9f e8 95 93 fd ff 48 8b 05 4f f1 75 00 ba 34 12 cd ab 48 c7 c7 [   51.669760]  vfs_write+0xe7/0x3b0

 5698 07:58:40.780073  38 fd 6c 9f 48 31 d0 <48> 89 05 39 f1 75 00 e9 73 93 fd ff 0f 1f[   51.679676]  ksys_write+0x68/0xf0

 5699 07:58:40.783275   44 00 00 48 8b 05 68 d5

 5700 07:58:40.793204  # [   41.941409] RSP: 0018:ffff9b2f426[   51.689592]  do_syscall_64+0x30/0x40

 5701 07:58:40.793293  87e60 EFLAGS: 00010202

 5702 07:58:40.802911  # [   41.947242] RAX: 000000000198b861 R[   51.699800]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5703 07:58:40.806473  BX: 0000000000000028 RCX: 0000000000000000

 5704 07:58:40.812877  # [   41.955209] RDX[   51.711656] RIP: 0033:0x7f8237637833

 5705 07:58:40.819716  : 00000000abcd1234 RSI: ffff8ae6fac9bf70 RDI: ffffffff9f6cfd38

 5706 07:58:40.842127  [   51.721863] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5707 07:58:40.855445  # [   41.963176] RBP: ffffffff9f6cef25 R08: 0000000000000000 R09[   51.749065] RSP: 002b:00007ffe35e236a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5708 07:58:40.865332  [   51.763740] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8237637833

 5709 07:58:40.865414  : 0000000000000000

 5710 07:58:40.878490  # [   41.971144] R10: 00000000ffffe000 R11: [   51.771715] RDX: 0000000000000017 RSI: 00007f823752a000 RDI: 0000000000000001

 5711 07:58:40.884955  [   51.785898] RBP: 00007f823752a000 R08: 00007f8237529010 R09: 0000000000000000

 5712 07:58:40.888129  3fffffffffffffff R12: 0000000000000009

 5713 07:58:40.901404  # [   41.979110] R13: ff[   51.793874] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5714 07:58:40.908002  [   51.808054] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5715 07:58:40.914962  ff9b2f42687f10 R14: ffff9b2f42687f10 R15: ffff8ae684870000

 5716 07:58:40.917897  # [ [   51.816036] irq event stamp: 0

 5717 07:58:40.930811    41.987081] FS:  00007f3ef04da580(0000) GS:ffff8ae6fac80000(000[   51.825649] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5718 07:58:40.934166  0) knlGS:0000000000000000

 5719 07:58:40.947160  # [   41.996116] CS:  0010 DS: 0000 E[   51.838869] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5720 07:58:40.950874  S: 0000 CR0: 0000000080050033

 5721 07:58:40.960613  # [   42.002529] CR2: ffffffff9f2[   51.854224] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5722 07:58:40.967346  [   51.869579] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5723 07:58:40.973662  d5ef0 CR3: 0000000104972006 CR4: 00000000003706e0

 5724 07:58:40.980484  # [   42.0104[   51.876581] ---[ end trace b9cc279d67662ab6 ]---

 5725 07:58:40.980577  96] Call Trace:

 5726 07:58:40.986771  # [   42.013222]  direct_entry.cold+0x2c/0x38

 5727 07:58:40.993606  [   51.887950] lkdtm: Saturation detected: still saturated

 5728 07:58:40.997294  # [   42.017602]  full_proxy_write+0x53/0x80

 5729 07:58:41.000737  # [   42.021884]  vfs_write+0xe7/0x3b0

 5730 07:58:41.003833  # [   42.031791]  ksys_write+0x68/0xf0

 5731 07:58:41.006980  # [   42.035488]  do_syscall_64+0x30/0x40

 5732 07:58:41.013840  # [   42.039478]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5733 07:58:41.019827  # [   42.045115] RIP: 0033:0x7f3ef03f0833

 5734 07:58:41.039839  # [   42.049103] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5735 07:58:41.049553  # [   42.070082] RSP: 002b:00007ffd1e283c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5736 07:58:41.056393  # [   42.078536] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3ef03f0833

 5737 07:58:41.066235  # [   42.086505] RDX: 0000000000000009 RSI: 00007f3ef02e3000 RDI: 0000000000000001

 5738 07:58:41.072684  # [   42.094474] RBP: 00007f3ef02e3000 R08: 00007f3ef02e2010 R09: 0000000000000000

 5739 07:58:41.079546  # [   42.102442] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5740 07:58:41.089103  # [   42.110408] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5741 07:58:41.122483  # [   42.118380] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_c[   52.020760] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 5742 07:58:41.128767  [   52.031127] lkdtm: attempting bad refcount_dec() from saturated

 5743 07:58:41.135984  [   52.037752] ------------[ cut here ]------------

 5744 07:58:41.138819  [   52.042921] refcount_t: saturated; leaking memory.

 5745 07:58:41.148635  [   52.048288] WARNING: CPU: 3 PID: 2382 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5746 07:58:41.195043  [   52.057725] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5747 07:58:41.204908  [   52.103408] CPU: 3 PID: 2382 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 5748 07:58:41.211852  [   52.112089] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5749 07:58:41.218170  [   52.118899] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5750 07:58:41.237753  [   52.124778] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 47 0b 94 01 00 75 ee 48 c7 c7 e8 8f 66 9f c6 05 37 0b 94 01 01 e8 fc a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66

 5751 07:58:41.251290  hardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_[   52.145773] RSP: 0018:ffff9b2f42e47e48 EFLAGS: 00010286

 5752 07:58:41.257585  [   52.157825] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 5753 07:58:41.264550  [   52.165801] RDX: ffff8ae6fadac660 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70

 5754 07:58:41.280543  pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd[   52.173805] RBP: ffffffff9f6ceff3 R08: 0000000000000000 R09: 0000000000000000

 5755 07:58:41.287561  [   52.187993] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5756 07:58:41.297646  [   52.195965] R13: ffff9b2f42e47f10 R14: ffff9b2f42e47f10 R15: ffff8ae685d6a000

 5757 07:58:41.303854  [   52.203935] FS:  00007febeba2f580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000

 5758 07:58:41.310387  [   52.212974] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5759 07:58:41.320605  [   52.219414] CR2: 00007febeb838000 CR3: 00000001037b2006 CR4: 00000000003706e0

 5760 07:58:41.326988  _notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5761 07:58:41.327075  #[   52.227397] Call Trace:

 5762 07:58:41.333667  [   52.236336]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 5763 07:58:41.336885  [   52.241816]  direct_entry.cold+0x2c/0x38

 5764 07:58:41.342924  [   52.246196]  full_proxy_write+0x53/0x80

 5765 07:58:41.346480  [   52.250505]  vfs_write+0xe7/0x3b0

 5766 07:58:41.349846  [   52.254229]  ksys_write+0x68/0xf0

 5767 07:58:41.353366  [   52.257929]  do_syscall_64+0x30/0x40

 5768 07:58:41.359882  [   52.261920]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5769 07:58:41.363027  [   52.267563] RIP: 0033:0x7febeb945833

 5770 07:58:41.386281  [   52.271554] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5771 07:58:41.392888  [   52.292536] RSP: 002b:00007ffe711a33e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5772 07:58:41.399365  [   52.300994] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007febeb945833

 5773 07:58:41.409232  [   52.308964] RDX: 0000000000000017 RSI: 00007febeb838000 RDI: 0000000000000001

 5774 07:58:41.416113  [   52.316936] RBP: 00007febeb838000 R08: 00007febeb837010 R09: 0000000000000000

 5775 07:58:41.425788  [   52.324908] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5776 07:58:41.432511  [   52.332878] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5777 07:58:41.435457  [   52.340854] irq event stamp: 0

 5778 07:58:41.438709   [   42.170241] CR2: ffffffff9f2d5ef0

 5779 07:58:41.448573  # [   42.173939] ---[ end[   52.344287] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5780 07:58:41.458465  [   52.357496] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5781 07:58:41.468693  [   52.366633] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5782 07:58:41.475262  [   52.375770] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5783 07:58:41.478367  [   52.382771] ---[ end trace b9cc279d67662ab7 ]---

 5784 07:58:41.485091  [   52.387926] lkdtm: Saturation detected: still saturated

 5785 07:58:41.487933   trace b9cc279d67662aa8 ]---

 5786 07:58:41.494971  # [   42.179094] RIP: 0010:lkdtm_BUG+0x5/0x10

 5787 07:58:41.514382  # [   42.183471] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 5788 07:58:41.521197  # [   42.204443] RSP: 0018:ffff9b2f41357e60 EFLAGS: 00010286

 5789 07:58:41.528272  # [   42.210267] RAX: ffffffff9e4f5960 RBX: 0000000000000001 RCX: 0000000000000000

 5790 07:58:41.537402  # [   42.218234] RDX: 0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 5791 07:58:41.544262  # [   42.226201] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 0000000000000001

 5792 07:58:41.554106  # [   42.234168] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5793 07:58:41.561084  # [   42.242134] R13: ffff9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 5794 07:58:41.571320  # [   42.250103] FS:  00007f3ef04da580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 5795 07:58:41.577675  # [   42.259138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5796 07:58:41.584335  # [   42.265554] CR2: ffffffff9f2d5ef0 CR3: 0000000104972006 CR4: 00000000003706e0

 5797 07:58:41.593663  # [   42.273522] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5798 07:58:41.603644  # [   42.283431] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1875, name: cat

 5799 07:58:41.610234  [   52.508494] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 5800 07:58:41.610319  

 5801 07:58:41.617100  # [   42.291885] INFO: lockdep is turned off.

 5802 07:58:41.626691  # [   42.296259][   52.519580] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 5803 07:58:41.626777   irq event stamp: 0

 5804 07:58:41.636562  # [   42.299664] hardirqs last  enabled at [   52.533285] ------------[ cut here ]------------

 5805 07:58:41.639693  (0): [<0000000000000000>] 0x0

 5806 07:58:41.646420  # [   42.306661] hardirqs last di[   52.544655] refcount_t: saturated; leaking memory.

 5807 07:58:41.653121  sabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5808 07:58:41.663124  #[   52.556233] WARNING: CPU: 1 PID: 2414 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5809 07:58:41.715940   [   42.315794] softirqs last  enabled at (0): [<ffffffff9dcff5e[   52.571867] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5810 07:58:41.719097  4>] copy_process+0x664/0x1cb0

 5811 07:58:41.729094  # [   42.324927] softirqs last di[   52.623765] CPU: 1 PID: 2414 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 5812 07:58:41.735915  sabled at (0): [<0000000000000000>] 0x0

 5813 07:58:41.742150  # [   42.331923] CPU: 1[   52.638611] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5814 07:58:41.755919   PID: 1875 Comm: cat Tainted: G      D W         5.10.173-cip27 [   52.651650] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5815 07:58:41.775309  [   52.663702] Code: 01 01 e8 d9 a0 98 00 0f 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 9f c6 05 f2 0a 94 01 01 e8 b6 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66

 5816 07:58:41.778964  #1

 5817 07:58:41.788707  # [   42.340579] Hardware name: Google Rammus/Rammus, BIOS  [   52.684714] RSP: 0018:ffff9b2f42ed7e38 EFLAGS: 00010282

 5818 07:58:41.795416  [   52.696760] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 5819 07:58:41.798222  09/04/2020

 5820 07:58:41.801499  # [   42.347382] Call Trace:

 5821 07:58:41.811787  # [   42.350107]  dump[   52.704735] RDX: ffff8ae6facac660 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70

 5822 07:58:41.818108  [   52.718916] RBP: ffffffff9f6cec20 R08: 0000000000000000 R09: 0000000000000000

 5823 07:58:41.821766  _stack+0x77/0x9b

 5824 07:58:41.831294  # [   42.353806]  ___might_sleep.cold+0xa6/0xb[   52.726890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 5825 07:58:41.841573  [   52.741073] R13: ffff9b2f42ed7f10 R14: ffff9b2f42ed7f10 R15: ffff8ae683792000

 5826 07:58:41.841662  6

 5827 07:58:41.844621  # [   42.358377]  exit_signals+0x1c/0x300

 5828 07:58:41.858055  # [   42.362365]  [   52.749047] FS:  00007f13e3e97580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 5829 07:58:41.860939  [   52.764298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5830 07:58:41.864353  do_exit+0xc2/0xb00

 5831 07:58:41.867587  # [   42.365868]  ? ksys_write+0x68/0xf0

 5832 07:58:41.877529  # [   52.770718] CR2: 00007f13e3ca0000 CR3: 0000000103672005 CR4: 00000000003706e0

 5833 07:58:41.881141  [   52.784900] Call Trace:

 5834 07:58:41.884513  [   42.369752]  make_task_dead+0x2f/0x30

 5835 07:58:41.891180  # [   42.373837]  rewi[   52.787633]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5836 07:58:41.894172  nd_stack_and_make_dead+0x17/0x20

 5837 07:58:41.904130  # [   42.379079] RIP: 0033:0x7[   52.799970]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 5838 07:58:41.910292  [   52.812526]  direct_entry.cold+0x2c/0x38

 5839 07:58:41.910436  f3ef03f0833

 5840 07:58:41.920678  # [   42.383065] Code: 8b 15 61 26 0e 00 f7 d8 64 8[   52.816907]  full_proxy_write+0x53/0x80

 5841 07:58:41.930669  9 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00[   52.827408]  vfs_write+0xe7/0x3b0

 5842 07:58:41.940135   85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0[   52.837324]  ksys_write+0x68/0xf0

 5843 07:58:41.943655  f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5844 07:58:41.950093  # [   42.404045] RSP: 002[   52.847244]  do_syscall_64+0x30/0x40

 5845 07:58:41.956951  b:00007ffd1e283c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5846 07:58:41.960073  [   52.857453]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5847 07:58:41.970326  # [   42.412500] RAX: ffffffffffffffda RBX: 0000000000000009 RCX[   52.869309] RIP: 0033:0x7f13e3dad833

 5848 07:58:41.973209  : 00007f3ef03f0833

 5849 07:58:41.999424  # [   42.420467] RDX: 0000000000000009 RSI: [   52.879518] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5850 07:58:42.002834  00007f3ef02e3000 RDI: 0000000000000001

 5851 07:58:42.012793  # [   42.428435] RBP: 00[   52.906720] RSP: 002b:00007fff7737c8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5852 07:58:42.019186  007f3ef02e3000 R08: 00007f3ef02e2010 R09: 0000000000000000

 5853 07:58:42.029018  # [ [   52.921395] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f13e3dad833

 5854 07:58:42.042163    42.436437] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00[   52.935583] RDX: 0000000000000020 RSI: 00007f13e3ca0000 RDI: 0000000000000001

 5855 07:58:42.042253  00000000000001

 5856 07:58:42.055524  # [   42.444414] R13: 0000000000000001 R14: 0000[   52.949773] RBP: 00007f13e3ca0000 R08: 00007f13e3c9f010 R09: 0000000000000000

 5857 07:58:42.058836  000000020000 R15: 0000000000020000

 5858 07:58:42.068644  # WRITE_RO: saw 'call trace:[   52.963964] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5859 07:58:42.071998  ': ok

 5860 07:58:42.075163  ok 39 selftests: lkdtm: WRITE_RO.sh

 5861 07:58:42.085318  # selftests: lkdtm: [   52.978152] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5862 07:58:42.085408  WRITE_RO_AFTER_INIT.sh

 5863 07:58:42.088875  # Killed

 5864 07:58:42.095058  # [   42.572911] lkdtm: Perfor[   52.992347] irq event stamp: 0

 5865 07:58:42.098681  ming direct entry WRITE_RO_AFTER_INIT

 5866 07:58:42.108325  # [   42.583263] lkdtm: a[   53.001967] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5867 07:58:42.111478  ttempting bad ro_after_init write at ffffffff9f754330

 5868 07:58:42.121282  # [   42.[   53.015187] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5869 07:58:42.138260  597096] BUG: unable to handle page fault for address: ffffffff9f[   53.030539] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5870 07:58:42.138355  754330

 5871 07:58:42.151030  # [   42.610943] #PF: supervisor write access in kernel [   53.045895] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5872 07:58:42.151116  mode

 5873 07:58:42.160983  # [   42.616766] #PF: error_code(0x0003) - permissions vio[   53.059114] ---[ end trace b9cc279d67662ab8 ]---

 5874 07:58:42.164219  lation

 5875 07:58:42.174105  # [   42.622985] PGD 49229067 P4D 49229067 PUD 4922a063 [   53.070486] lkdtm: Saturation detected: still saturated

 5876 07:58:42.177426  PMD 105435063 PTE 8000000049154061

 5877 07:58:42.180702  # [   42.631738] Oops: 0003 [#15] SMP PTI

 5878 07:58:42.190666  # [   42.635725] CPU: 0 PID: 1910 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 5879 07:58:42.197309  # [   42.644372] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5880 07:58:42.203852  # [   42.651177] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5881 07:58:42.226700  # [   42.657205] Code: fd 6c 9f e9 47 93 fd ff 48 c7 c7 90 fd 6c 9f e8 3b 93 fd ff 48 8b 05 35 d5 bd 00 ba 34 12 cd ab 48 c7 c7 38 fd 6c 9f 48 31 d0 <48> 89 05 1f d5 bd 00 e9 19 93 fd ff 0f 1f 44 00 00 41 54 48 c7 c7

 5882 07:58:42.230472  # [   42.678177] RSP: 0018:ffff9b2f426e7e60 EFLAGS: 00010202

 5883 07:58:42.240040  # [   42.684008] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 5884 07:58:42.246874  # [   42.691976] RDX: 00000000abcd1234 RSI: ffff8ae6fac1bf70 RDI: ffffffff9f6cfd38

 5885 07:58:42.257245  # [   42.699945] RBP: ffffffff9f6cef2e R08: 0000000000000000 R09: 0000000000000000

 5886 07:58:42.263099  # [   42.707913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 5887 07:58:42.273383  # [   42.715881] R13: ffff9b2f426e7f10 R14: ffff9b2f426e7f10 R15: ffff8ae684949000

 5888 07:58:42.283485  # [   42.723848] FS:  00007f6356225580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 5889 07:58:42.289916  # [   42.732884] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5890 07:58:42.299314  # [   42.739297] CR2: ffffffff9f754330 CR3: 000[   53.200471] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 5891 07:58:42.309182  [   53.208480] lkdtm: attempting bad refcount_add_not_zero() from saturated

 5892 07:58:42.312426  0000102ae6004 CR4: 00000000003706f0

 5893 07:58:42.319290  # [   42.747265] Call Trace[   53.215994] ------------[ cut here ]------------

 5894 07:58:42.319381  :

 5895 07:58:42.322539  # [   42.750004]  direct_entry.cold+0x2c/0x38

 5896 07:58:42.332401  # [   42.75439[   53.227363] refcount_t: saturated; leaking memory.

 5897 07:58:42.332483  0]  full_proxy_write+0x53/0x80

 5898 07:58:42.345475  # [   42.758675]  vfs_write+0xe7[   53.238939] WARNING: CPU: 2 PID: 2446 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5899 07:58:42.348722  /0x3b0

 5900 07:58:42.351973  # [   42.762363]  ksys_write+0x68/0xf0

 5901 07:58:42.398490  # [   42.766059][   53.254568] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5902 07:58:42.407955  [   53.306489] CPU: 2 PID: 2446 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 5903 07:58:42.408068    do_syscall_64+0x30/0x40

 5904 07:58:42.421849  # [   42.770038]  entry_SYSCALL_64_af[   53.315153] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5905 07:58:42.424620  [   53.328168] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5906 07:58:42.428191  ter_hwframe+0x61/0xc6

 5907 07:58:42.454714  # [   42.775676] RIP: 0033:0x7f635613b833[   53.334018] Code: 01 01 e8 d9 a0 98 00 0f 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 9f c6 05 f2 0a 94 01 01 e8 b6 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66

 5908 07:58:42.457815  [   53.361214] RSP: 0018:ffff9b2f42f67e38 EFLAGS: 00010282

 5909 07:58:42.467938  [   53.367049] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 5910 07:58:42.474399  [   53.375020] RDX: ffff8ae6fad2c660 RSI: ffff8ae6fad1bf70 RDI: ffff8ae6fad1bf70

 5911 07:58:42.484286  [   53.382992] RBP: ffffffff9f6cec40 R08: 0000000000000000 R09: 0000000000000000

 5912 07:58:42.490765  [   53.390961] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 5913 07:58:42.497420  [   53.398924] R13: ffff9b2f42f67f10 R14: ffff9b2f42f67f10 R15: ffff8ae685703000

 5914 07:58:42.507600  [   53.406894] FS:  00007fa857453580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 5915 07:58:42.513877  [   53.415933] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5916 07:58:42.523826  [   53.422349] CR2: 00007fa85725c000 CR3: 00000001027fa006 CR4: 00000000003706e0

 5917 07:58:42.523915  [   53.430347] Call Trace:

 5918 07:58:42.530348  [   53.433076]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5919 07:58:42.536912  [   53.439228]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 5920 07:58:42.540397  [   53.445548]  direct_entry.cold+0x2c/0x38

 5921 07:58:42.547196  [   53.449930]  full_proxy_write+0x53/0x80

 5922 07:58:42.549965  [   53.454238]  vfs_write+0xe7/0x3b0

 5923 07:58:42.553758  [   53.457961]  ksys_write+0x68/0xf0

 5924 07:58:42.556644  [   53.461662]  do_syscall_64+0x30/0x40

 5925 07:58:42.563734  [   53.465677]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5926 07:58:42.566412  [   53.471320] RIP: 0033:0x7fa857369833

 5927 07:58:42.566500  

 5928 07:58:42.593094  # [   42.779661] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 [   53.475312] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5929 07:58:42.603357  [   53.502504] RSP: 002b:00007ffe6a03cc38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5930 07:58:42.609535  [   53.510962] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa857369833

 5931 07:58:42.625934  c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 1[   53.518933] RDX: 0000000000000020 RSI: 00007fa85725c000 RDI: 0000000000000001

 5932 07:58:42.639850  4 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 [   53.533116] RBP: 00007fa85725c000 R08: 00007fa85725b010 R09: 0000000000000000

 5933 07:58:42.645894  [   53.547301] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5934 07:58:42.649133  48 83 ec 28 48 89 54 24 18

 5935 07:58:42.662718  # [   42.800641] RSP: 002b:00007ffd7[   53.555273] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5936 07:58:42.665843  [   53.569459] irq event stamp: 0

 5937 07:58:42.669126  5838f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5938 07:58:42.678906  # [   42.80[   53.572892] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5939 07:58:42.688554  [   53.586102] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5940 07:58:42.695157  [   53.595241] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 5941 07:58:42.701865  [   53.604376] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5942 07:58:42.708652  [   53.611376] ---[ end trace b9cc279d67662ab9 ]---

 5943 07:58:42.714962  [   53.616532] lkdtm: Saturation detected: still saturated

 5944 07:58:42.721353  9094] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f635613b833

 5945 07:58:42.728257  # [   42.817062] RDX: 0000000000000014 RSI: 00007f635602e000 RDI: 0000000000000001

 5946 07:58:42.737887  # [   42.825029] RBP: 00007f635602e000 R08: 00007f635602d010 R09: 0000000000000000

 5947 07:58:42.745006  # [   42.832998] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5948 07:58:42.754568  # [   42.840965] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5949 07:58:42.800723  # [   42.848939] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5950 07:58:42.804171  # [   42.894612] CR2: ffffffff9f754330

 5951 07:58:42.810628  # [   42.898308] ---[ end trace b9cc279d67662aa9 ]---

 5952 07:58:42.814179  # [   42.903461] RIP: 0010:lkdtm_BUG+0x5/0x10

 5953 07:58:42.834059  # [   42.907838] Code: 89 ff e8 ae 5b a2 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 90 8d 9f 02

 5954 07:58:42.847061  # [   42.928807] RSP: 0018:ffff9b2f4135[   53.740786] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 5955 07:58:42.850143  7e60 EFLAGS: 00010286

 5956 07:58:42.860361  # [   42.934640] RAX: ffffffff9e4f5960 RB[   53.754405] lkdtm: attempting bad refcount_dec_and_test() from saturated

 5957 07:58:42.863432  X: 0000000000000001 RCX: 0000000000000000

 5958 07:58:42.870144  # [   42.942607] RDX:[   53.768105] ------------[ cut here ]------------

 5959 07:58:42.876494  [   53.779471] refcount_t: underflow; use-after-free.

 5960 07:58:42.883180   0000000000000000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 5961 07:58:42.892892  #[   53.784851] WARNING: CPU: 1 PID: 2481 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 5962 07:58:42.945883   [   42.950574] RBP: ffffffff9f733438 R08: 0000000000000001 R09:[   53.800472] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5963 07:58:42.945995   0000000000000001

 5964 07:58:42.958939  # [   42.958541] R10: 00000000ffffe000 R11: 3[   53.852367] CPU: 1 PID: 2481 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 5965 07:58:42.962208  fffffffffffffff R12: 0000000000000004

 5966 07:58:42.972525  # [   42.966511] R13: fff[   53.867208] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5967 07:58:42.978760  f9b2f41357f10 R14: ffff9b2f41357f10 R15: ffff8ae683363000

 5968 07:58:42.985093  # [  [   53.880231] RIP: 0010:refcount_warn_saturate+0xba/0x110

 5969 07:58:43.011559   42.974477] FS:  00007f6356225580(0000) GS:ffff8ae6fac00000(0000[   53.892280] Code: 01 01 e8 b6 a0 98 00 0f 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 9f c6 05 cc 0a 94 01 01 e8 93 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d b7 0a 94 01 00 0f 85 5e ff ff ff 48 c7

 5970 07:58:43.015246  ) knlGS:0000000000000000

 5971 07:58:43.024736  # [   42.983515] CS:  0010 DS: 0000 ES[   53.919478] RSP: 0018:ffff9b2f42ff7e40 EFLAGS: 00010286

 5972 07:58:43.031381  [   53.931530] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 5973 07:58:43.034779  : 0000 CR0: 0000000080050033

 5974 07:58:43.044601  # [   42.989929] CR2: ffffffff9f75[   53.939503] RDX: ffff8ae6facac660 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70

 5975 07:58:43.051082  4330 CR3: 0000000102ae6004 CR4: 00000000003706f0

 5976 07:58:43.061763  # WRITE_RO_AFT[   53.953684] RBP: ffffffff9f6cec60 R08: 0000000000000000 R09: 0000000000000000

 5977 07:58:43.064279  ER_INIT: saw 'call trace:': ok

 5978 07:58:43.074646  ok 40 selftests: lkdtm: WRITE_RO[   53.967873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 5979 07:58:43.074731  _AFTER_INIT.sh

 5980 07:58:43.077342  # selftests: lkdtm: WRITE_KERN.sh

 5981 07:58:43.080762  # Killed

 5982 07:58:43.087428  # [[   53.982062] R13: ffff9b2f42ff7f10 R14: ffff9b2f42ff7f10 R15: ffff8ae682a91000

 5983 07:58:43.094027     43.174333] lkdtm: Performing direct entry WRITE_KERN

 5984 07:58:43.103996  # [   4[   53.996253] FS:  00007fccc84f7580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 5985 07:58:43.117486  3.183863] lkdtm: attempting bad 6819819 byte write at ffffffff9e[   54.011512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5986 07:58:43.117582  b76d1b

 5987 07:58:43.130803  # [   43.197579] BUG: unable to handle page fault for ad[   54.024148] CR2: 00007fccc8300000 CR3: 0000000105f8e002 CR4: 00000000003706e0

 5988 07:58:43.134043  dress: ffffffff9eb76d1b

 5989 07:58:43.139985  # [   43.211435] #PF: supervisor write [   54.038338] Call Trace:

 5990 07:58:43.140070  access in kernel mode

 5991 07:58:43.149995  # [   43.217268] #PF: error_code(0x0003) [   54.047288]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 5992 07:58:43.153174  - permissions violation

 5993 07:58:43.163059  # [   43.223489] PGD 49229067 P4D 49229[   54.059632]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 5994 07:58:43.166298  067 PUD 4922a063 PMD 484000e1 

 5995 07:58:43.173217  # [   43.230205] Oops: 0003 [#16[   54.072173]  direct_entry.cold+0x2c/0x38

 5996 07:58:43.176417  ] SMP PTI

 5997 07:58:43.186378  # [   43.234185] CPU: 0 PID: 1945 Comm: cat Tainted: [   54.082770]  full_proxy_write+0x53/0x80

 5998 07:58:43.189570  G      D W         5.10.173-cip27 #1

 5999 07:58:43.196089  # [   43.242825] Hardware [   54.093267]  vfs_write+0xe7/0x3b0

 6000 07:58:43.199358  name: Google Rammus/Rammus, BIOS  09/04/2020

 6001 07:58:43.206252  # [   43.249631] R[   54.103182]  ksys_write+0x68/0xf0

 6002 07:58:43.209802  IP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 6003 07:58:43.216040  # [   43.254790] Code: 53 4[   54.113097]  do_syscall_64+0x30/0x40

 6004 07:58:43.225720  8 c7 c3 1b 6d b7 9e 49 89 dc 48 89 da 49 81 ec 30 5d 4f 9e 4c 89[   54.123306]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6005 07:58:43.236050   e6 e8 ee 92 fd ff 48 89 df 4c 89 e1 48 c7 c6 30 5d 4f 9e <f3> a[   54.135162] RIP: 0033:0x7fccc840d833

 6006 07:58:43.242298  4 48 c7 c7 38 fd 6c 9f e8 d3 92 fd ff 5b 41 5c e9 b7 fe ff ff

 6007 07:58:43.265660  #[   54.145369] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6008 07:58:43.272027   [   43.275771] RSP: 0018:ffff9b2f4277fe50 EFLAGS: 00010246

 6009 07:58:43.279000  # [[   54.172570] RSP: 002b:00007ffc34bc8538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6010 07:58:43.288375  [   54.187244] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fccc840d833

 6011 07:58:43.301957     43.281594] RAX: 000000000000003c RBX: ffffffff9eb76d1b RCX: 0[   54.195220] RDX: 0000000000000020 RSI: 00007fccc8300000 RDI: 0000000000000001

 6012 07:58:43.302051  000000000680feb

 6013 07:58:43.315046  # [   43.289562] RDX: 0000000000000000 RSI: fff[   54.209401] RBP: 00007fccc8300000 R08: 00007fccc82ff010 R09: 0000000000000000

 6014 07:58:43.325147  [   54.223589] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6015 07:58:43.328702  fffff9e4f5d30 RDI: ffffffff9eb76d1b

 6016 07:58:43.338444  # [   43.297530] RBP: fffff[   54.231564] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6017 07:58:43.344777  fff9f6cef42 R08: 0000000000000000 R09: 0000000000000000

 6018 07:58:43.348020  # [   4[   54.245751] irq event stamp: 0

 6019 07:58:43.361218  3.305498] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000[   54.255371] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6020 07:58:43.361311  00000680feb

 6021 07:58:43.374262  # [   43.313468] R13: ffff9b2f4277ff10 R14: ffff9b2[   54.268591] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6022 07:58:43.384467  [   54.283944] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6023 07:58:43.387399  f4277ff10 R15: ffff8ae6846f4000

 6024 07:58:43.397621  # [   43.321436] FS:  00007f0cd[   54.293084] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6025 07:58:43.403943  e167580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 6026 07:58:43.410479  [   54.306295] ---[ end trace b9cc279d67662aba ]---

 6027 07:58:43.413969  [   54.317667] lkdtm: Saturation detected: still saturated

 6028 07:58:43.420650  # [   43.330471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6029 07:58:43.430480  # [   43.336886] CR2: ffffffff9eb76d1b CR3: 00000001046d6002 CR4: 00000000003706f0

 6030 07:58:43.434011  # [   43.344854] Call Trace:

 6031 07:58:43.437578  # [   43.347583]  direct_entry.cold+0x2c/0x38

 6032 07:58:43.443670  # [   43.351959]  full_proxy_write+0x53/0x80

 6033 07:58:43.446901  # [   43.356245]  vfs_write+0xe7/0x3b0

 6034 07:58:43.450249  # [   43.359947]  ksys_write+0x68/0xf0

 6035 07:58:43.453453  # [   43.363637]  do_syscall_64+0x30/0x40

 6036 07:58:43.460277  # [   43.367633]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6037 07:58:43.463605  # [   43.373273] RIP: 0033:0x7f0cde07d833

 6038 07:58:43.486585  # [   43.377260] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6039 07:58:43.493277  # [   43.398240] RSP: 002b:00007fff581f5098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6040 07:58:43.503035  # [   43.406694] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f0cde07d833

 6041 07:58:43.509984  # [   43.414663] RDX: 000000000000000b RSI: 00007f0cddf70000 RDI: 0000000000000001

 6042 07:58:43.519859  # [   43.422631] RBP: 00007f0cddf70000 R08: 00007f0cddf6f010 R09: 0000000000000000

 6043 07:58:43.526734  # [   43.430599] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6044 07:58:43.536642  # [   43.438566] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6045 07:58:43.565967  # [   43.446538] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_[   54.462409] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 6046 07:58:43.579293  sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cro[   54.474185] lkdtm: attempting bad refcount_sub_and_test() from saturated

 6047 07:58:43.592123  s_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_de[   54.487892] ------------[ cut here ]------------

 6048 07:58:43.602314  v videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backli[   54.499268] refcount_t: underflow; use-after-free.

 6049 07:58:43.605557  ght chromeos_pstore coreboot_table

 6050 07:58:43.618995  # [   43.492210] CR2: ffffff[   54.510834] WARNING: CPU: 0 PID: 2516 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6051 07:58:43.619091  ff9eb76d1b

 6052 07:58:43.671422  # [   43.495906] ---[ end trace b9cc279d67662aaa ]--[   54.526521] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6053 07:58:43.671542  -

 6054 07:58:43.675028  # [   43.501059] RIP: 0010:lkdtm_BUG+0x5/0x10

 6055 07:58:43.684760  # [   43.50543[   54.578345] CPU: 0 PID: 2516 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6056 07:58:43.697868  6] Code: 89 ff e8 ae 5b a2 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c[   54.593280] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6057 07:58:43.711555  0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44[   54.606249] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6058 07:58:43.738000   00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 9[   54.618343] Code: 01 01 e8 b6 a0 98 00 0f 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 9f c6 05 cc 0a 94 01 01 e8 93 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d b7 0a 94 01 00 0f 85 5e ff ff ff 48 c7

 6059 07:58:43.738102  0 8d 9f 02

 6060 07:58:43.750714  # [   43.526408] RSP: 0018:ffff9b2f41357e60 EFLAGS: [   54.645504] RSP: 0018:ffff9b2f4306fe40 EFLAGS: 00010286

 6061 07:58:43.750804  00010286

 6062 07:58:43.763863  # [   43.532233] RAX: ffffffff9e4f5960 RBX: 0000000000[   54.657592] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 6063 07:58:43.767463  000001 RCX: 0000000000000000

 6064 07:58:43.777244  # [   43.540202] RDX: 000000000000[   54.671755] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 6065 07:58:43.784213  0000 RSI: ffff8ae6fad1bf70 RDI: ffffffff9f2d5a70

 6066 07:58:43.790521  # [   43.54816[   54.685968] RBP: ffffffff9f6cec80 R08: 0000000000000000 R09: 0000000000000000

 6067 07:58:43.807016  9] RBP: ffffffff9f733438 R08: 0000000000000001 R09: 000000000000[   54.700139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6068 07:58:43.807117  0001

 6069 07:58:43.820244  # [   43.556137] R10: 00000000ffffe000 R11: 3fffffffffffff[   54.714354] R13: ffff9b2f4306ff10 R14: ffff9b2f4306ff10 R15: ffff8ae68359f000

 6070 07:58:43.823154  ff R12: 0000000000000004

 6071 07:58:43.836690  # [   43.564105] R13: ffff9b2f41357f10[   54.728529] FS:  00007f7c9fea2580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 6072 07:58:43.839746   R14: ffff9b2f41357f10 R15: ffff8ae683363000

 6073 07:58:43.849813  # [   43.572073] F[   54.743811] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6074 07:58:43.862837  S:  00007f0cde167580(0000) GS:ffff8ae6fac00000(0000) knlGS:00000[   54.756424] CR2: 00007f7c9fcab000 CR3: 0000000105702002 CR4: 00000000003706f0

 6075 07:58:43.862928  00000000000

 6076 07:58:43.873260  # [   43.581109] CS:  0010 DS: 0000 ES: 0000 CR0: 0[   54.770642] Call Trace:

 6077 07:58:43.873342  000000080050033

 6078 07:58:43.882949  # [   43.587524] CR2: ffffffff9eb76d1b CR3: 000[   54.779567]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6079 07:58:43.886009  00001046d6002 CR4: 00000000003706f0

 6080 07:58:43.896145  # [   43.595492] BUG: sleep[   54.791947]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 6081 07:58:43.906083  ing function called from invalid context at include/linux/percpu[   54.804449]  direct_entry.cold+0x2c/0x38

 6082 07:58:43.909014  -rwsem.h:49

 6083 07:58:43.919352  # [   43.605403] in_atomic(): 0, irqs_disabled(): 1[   54.815056]  full_proxy_write+0x53/0x80

 6084 07:58:43.922489  , non_block: 0, pid: 1945, name: cat

 6085 07:58:43.928814  # [   43.613857] INFO: loc[   54.825547]  vfs_write+0xe7/0x3b0

 6086 07:58:43.928902  kdep is turned off.

 6087 07:58:43.932073  # [   43.618231] irq event stamp: 0

 6088 07:58:43.938779  # [   [   54.835464]  ksys_write+0x68/0xf0

 6089 07:58:43.948606  43.621635] hardirqs last  enabled at (0): [<0000000000000000>] 0[   54.845381]  do_syscall_64+0x30/0x40

 6090 07:58:43.948698  x0

 6091 07:58:43.958625  # [   43.628634] hardirqs last disabled at (0): [<ffffffff9d[   54.855604]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6092 07:58:43.961816  cff5e4>] copy_process+0x664/0x1cb0

 6093 07:58:43.968353  # [   43.637760] softirqs la[   54.867451] RIP: 0033:0x7f7c9fdb8833

 6094 07:58:43.998029  st  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1c[   54.877679] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6095 07:58:43.998123  b0

 6096 07:58:44.011347  # [   43.646886] softirqs last disabled at (0): [<0000000000[   54.904858] RSP: 002b:00007ffc75ac4918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6097 07:58:44.011442  000000>] 0x0

 6098 07:58:44.024806  # [   43.653884] CPU: 0 PID: 1945 Comm: cat Tainte[   54.919579] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7c9fdb8833

 6099 07:58:44.031561  d: G      D W         5.10.173-cip27 #1

 6100 07:58:44.041531  # [   43.662522] Hardwa[   54.933724] RDX: 0000000000000020 RSI: 00007f7c9fcab000 RDI: 0000000000000001

 6101 07:58:44.044407  re name: Google Rammus/Rammus, BIOS  09/04/2020

 6102 07:58:44.054479  # [   43.669323[   54.947935] RBP: 00007f7c9fcab000 R08: 00007f7c9fcaa010 R09: 0000000000000000

 6103 07:58:44.054600  ] Call Trace:

 6104 07:58:44.061047  # [   43.672049]  dump_stack+0x77/0x9b

 6105 07:58:44.067413  # [   43.[   54.962109] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6106 07:58:44.070643  675747]  ___might_sleep.cold+0xa6/0xb6

 6107 07:58:44.083882  # [   43.680317]  exit_s[   54.976324] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6108 07:58:44.083971  ignals+0x1c/0x300

 6109 07:58:44.087648  # [   43.684297]  do_exit+0xc2/0xb00

 6110 07:58:44.090771  # [   4[   54.990495] irq event stamp: 0

 6111 07:58:44.097205  3.687800]  ? ksys_write+0x68/0xf0

 6112 07:58:44.103462  # [   43.691681]  ? lkdtm_SLA[   55.000154] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6113 07:58:44.106824  B_FREE_CROSS.cold+0x32/0x32

 6114 07:58:44.120056  # [   43.697116]  make_task_dead+0x[   55.013357] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6115 07:58:44.120145  2f/0x30

 6116 07:58:44.126886  # [   43.701201]  rewind_stack_and_make_dead+0x17/0x20

 6117 07:58:44.137182  [   55.028695] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6118 07:58:44.137271  

 6119 07:58:44.140533  # [   43.706442] RIP: 0033:0x7f0cde07d833

 6120 07:58:44.149735  # [   43.710420] Cod[   55.044042] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6121 07:58:44.153231  [   55.057244] ---[ end trace b9cc279d67662abb ]---

 6122 07:58:44.166475  e: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0[   55.062432] lkdtm: Saturation detected: still saturated

 6123 07:58:44.179507  f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6124 07:58:44.189446  # [   43.731399] RSP: 002b:00007fff581f5098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6125 07:58:44.196244  # [   43.739853] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f0cde07d833

 6126 07:58:44.203261  # [   43.747820] RDX: 000000000000000b RSI: 00007f0cddf70000 RDI: 0000000000000001

 6127 07:58:44.212934  # [   43.755787] RBP: 00007f0cddf70000 R08: 00007f0cddf6f010 R09: 0000000000000000

 6128 07:58:44.219405  # [   43.763755] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6129 07:58:44.229615  # [   43.771723] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6130 07:58:44.232422  # WRITE_KERN: saw 'call trace:': ok

 6131 07:58:44.235658  ok 41 selftests: lkdtm: WRITE_KERN.sh

 6132 07:58:44.239455  # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 6133 07:58:44.248759  # [   43.924068] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 6134 07:58:44.256142  # [   43.935593] lkdtm: attempting good refcount_inc() without overflow

 6135 07:58:44.262504  # [   43.948711] lkdtm: attempting bad refcount_inc() overflow

 6136 07:58:44.265980  # [   43.960950] ------------[ cut here ]------------

 6137 07:58:44.272239  # [   43.966107] refcount_t: saturated; leaking memory.

 6138 07:58:44.281999  # [   43.977698] WARNING: CPU: 1 PID: 1980 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6139 07:58:44.328290  # [   43.993309] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6140 07:58:44.335068  # [   44.045171] CPU: 1 PID: 1980 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6141 07:58:44.348082  # [   44.060038] Hardware name: Google Rammus[   55.248056] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 6142 07:58:44.351368  /Rammus, BIOS  09/04/2020

 6143 07:58:44.360908  # [   44.066845] RIP: 0010:refcount_w[   55.255329] lkdtm: attempting good copy_to_user of correct size

 6144 07:58:44.360992  arn_saturate+0x51/0x110

 6145 07:58:44.374493  # [   44.078893] Code: 84 bc 00 00 00 c[   55.268191] lkdtm: attempting bad copy_to_user of too large size

 6146 07:58:44.390592  3 cc cc cc cc 85 f6 74 46 80 3d 47 0b 94 01 00 75 ee 48 c7 c7 e8 8f 66 9f c6 05 37 0b 94 01 01 e8 fc a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66

 6147 07:58:44.397438  # [   44.106091] RSP: 0018:ffff9b2f427ffe48 EFLAGS: 00010286

 6148 07:58:44.404505  # [   44.118139] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 6149 07:58:44.413832  # [   44.132331] RDX: ffff8ae6facac660 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70

 6150 07:58:44.420376  # [   44.146515] RBP: ffffffff9f6cef4d R08: 0000000000000000 R09: 0000000000000000

 6151 07:58:44.430457  # [   44.154487] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6152 07:58:44.437021  # [   44.168693] R13: ffff9b2f427fff10 R14: ffff9b2f427fff10 R15: ffff8ae685676000

 6153 07:58:44.446765  # [   44.182861] FS:  00007fcafeddc580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 6154 07:58:44.453459  # [   44.198110] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6155 07:58:44.460204  # [   44.204530] CR2: 00007fcafebe5000 CR3: 000000010496a001 CR4: 00000000003706e0

 6156 07:58:44.463403  # [   44.218712] Call Trace:

 6157 07:58:44.470424  # [   44.221446]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 6158 07:58:44.473156  # [   44.233001]  direct_entry.cold+0x2c/0x38

 6159 07:58:44.480174  # [   44.243597]  full_proxy_write+0x53/0x80

 6160 07:58:44.483945  # [   44.254094]  vfs_write+0xe7/0x3b0

 6161 07:58:44.487003  # [   44.264008]  ksys_write+0x68/0xf0

 6162 07:58:44.489878  # [   44.273927]  do_syscall_64+0x30/0x40

 6163 07:58:44.496355  # [   44.284133]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6164 07:58:44.503197  # [   44.[   55.400951] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 6165 07:58:44.506777  295989] RIP: 0033:0x7fcafecf2833

 6166 07:58:44.516489  # [   44.306195] Code: 8b 15 6[   55.412399] lkdtm: attempting good copy_from_user of correct size

 6167 07:58:44.529289  1 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64[   55.425444] lkdtm: attempting bad copy_from_user of too large size

 6168 07:58:44.542507   8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6169 07:58:44.552845  # [   44.333395] RSP: 002b:00007fffabdea878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6170 07:58:44.559297  # [   44.348068] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fcafecf2833

 6171 07:58:44.569094  # [   44.356044] RDX: 0000000000000016 RSI: 00007fcafebe5000 RDI: 0000000000000001

 6172 07:58:44.575754  # [   44.370226] RBP: 00007fcafebe5000 R08: 00007fcafebe4010 R09: 0000000000000000

 6173 07:58:44.582222  # [   44.378202] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6174 07:58:44.592042  # [   44.392386] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6175 07:58:44.595574  # [   44.406581] irq event stamp: 0

 6176 07:58:44.601913  # [   44.416199] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6177 07:58:44.612036  # [   44.429418] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6178 07:58:44.621864  # [   44.444772] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6179 07:58:44.628436  # [   44.460127] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6180 07:58:44.635422  # [   44.473345] ---[ end trace b9cc279d67662aab ]---

 6181 07:58:44.638692  # [   44.478504] lkdtm: Overflow detected: saturated

 6182 07:58:44.644691  # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok

 6183 07:58:44.648732  ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 6184 07:58:44.651455  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6185 07:58:44.661483  # [   44.591895] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 6186 07:58:44.668088  # [   44.602262] lkdtm: attempting good refcount_add() without overflow

 6187 07:58:44.674737  # [   44.609168] lkdtm: attempting bad refcount_add() overflow

 6188 07:58:44.677737  # [   44.615201] ------------[ cut here ]------------

 6189 07:58:44.684439  # [   44.620358] refcount_t: saturated; leaking memory.

 6190 07:58:44.694399  # [   44.625717] WARNING: CPU: 3 PID: 2012 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6191 07:58:44.704283  # [   44.635152] Modules linked in: fuse ip_ta[   55.601282] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 6192 07:58:44.711001  [   55.613546] lkdtm: attempting good copy_to_user inside whitelist

 6193 07:58:44.723902  bles cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indu[   55.620274] lkdtm: attempting bad copy_to_user outside whitelist

 6194 07:58:44.760344  strialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6195 07:58:44.770161  # [   44.687050] CPU: 3 PID: 2012 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6196 07:58:44.776462  # [   44.695727] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6197 07:58:44.783176  # [   44.702537] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6198 07:58:44.803377  # [   44.714585] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 47 0b 94 01 00 75 ee 48 c7 c7 e8 8f 66 9f c6 05 37 0b 94 01 01 e8 fc a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66

 6199 07:58:44.809976  # [   44.735570] RSP: 0018:ffff9b2f4289fe48 EFLAGS: 00010286

 6200 07:58:44.816440  # [   44.741430] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 6201 07:58:44.826344  # [   44.749422] RDX: ffff8ae6fadac660 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70

 6202 07:58:44.832842  # [   44.757409] RBP: ffffffff9f6cef63 R08: 0000000000000000 R09: 0000000000000000

 6203 07:58:44.843158  # [   44.771583] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6204 07:58:44.849275  # [   44.7795[   55.747230] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 6205 07:58:44.862215  74] R13: ffff9b2f4289ff10 R14: ffff9b2f4289ff10 R15: ffff8ae6832[   55.758765] lkdtm: attempting good copy_from_user inside whitelist

 6206 07:58:44.865932  02000

 6207 07:58:44.875498  # [   44.787564] FS:  00007f53a1380580(0000) GS:ffff8ae6f[   55.771912] lkdtm: attempting bad copy_from_user outside whitelist

 6208 07:58:44.882226  ad80000(0000) knlGS:0000000000000000

 6209 07:58:44.888921  # [   44.796604] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6210 07:58:44.895287  # [   44.803021] CR2: 00007f53a1189000 CR3: 00000001046fe003 CR4: 00000000003706e0

 6211 07:58:44.898746  # [   44.810991] Call Trace:

 6212 07:58:44.905221  # [   44.813721]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 6213 07:58:44.908674  # [   44.819095]  direct_entry.cold+0x2c/0x38

 6214 07:58:44.912302  # [   44.823515]  full_proxy_write+0x53/0x80

 6215 07:58:44.915143  # [   44.827809]  vfs_write+0xe7/0x3b0

 6216 07:58:44.921944  # [   44.837716]  ksys_write+0x68/0xf0

 6217 07:58:44.924985  # [   44.841416]  do_syscall_64+0x30/0x40

 6218 07:58:44.931505  # [   44.845433]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6219 07:58:44.935075  # [   44.851075] RIP: 0033:0x7f53a1296833

 6220 07:58:44.955061  # [   44.855064] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6221 07:58:44.964808  # [   44.876046] RSP: 002b:00007ffd0fcc0298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6222 07:58:44.971445  # [   44.884506] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f53a1296833

 6223 07:58:44.981488  # [   44.892490] RDX: 0000000000000016 RSI: 00007f53a1189000 RDI: 0000000000000001

 6224 07:58:44.987620  # [   44.900499] RBP: 00007f53a1189000 R08: 00007f53a1188010 R09: 0000000000000000

 6225 07:58:45.001207  # [   44.908486] R10: fffffffffffffbc5 R11: 0000000000000246 [   55.902409] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 6226 07:58:45.004186  R12: 0000000000000001

 6227 07:58:45.013942  # [   44.916460] R13: 0000000000000001 R1[   55.910151] lkdtm: good_stack: ffff9b2f433ffe20-ffff9b2f433ffe40

 6228 07:58:45.020594  4: 0000000000020000 R15: 0000000000020000

 6229 07:58:45.027779  # [   44.924469] irq [   55.923078] lkdtm: bad_stack : ffff9b2f433ffda8-ffff9b2f433ffdc8

 6230 07:58:45.030690  event stamp: 0

 6231 07:58:45.040563  # [   44.927907] hardirqs last  enabled at (0): [   55.936084] lkdtm: attempting good copy_to_user of local stack

 6232 07:58:45.044016  [<0000000000000000>] 0x0

 6233 07:58:45.053660  # [   44.934909] hardirqs last disable[   55.948848] lkdtm: attempting bad copy_to_user of distant stack

 6234 07:58:45.060553  d at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6235 07:58:45.066929  # [   44.944045] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6236 07:58:45.076939  # [   44.953181] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6237 07:58:45.080488  # [   44.960180] ---[ end trace b9cc279d67662aac ]---

 6238 07:58:45.086723  # [   44.965336] lkdtm: Overflow detected: saturated

 6239 07:58:45.090290  # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok

 6240 07:58:45.096797  ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6241 07:58:45.099959  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6242 07:58:45.109936  # [   45.086032] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 6243 07:58:45.116820  # [   45.096227] lkdtm: attempting bad refcount_inc_not_zero() overflow

 6244 07:58:45.120158  # [   45.109343] ------------[ cut here ]------------

 6245 07:58:45.126371  # [   45.120718] refcount_t: saturated; leaking memory.

 6246 07:58:45.136327  # [   45.132304] WARNING: CPU: 0 PID: 2044 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6247 07:58:45.185622  # [   45.147928] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_[   56.081914] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 6248 07:58:45.189790  led_backlight chromeos_pstore coreboot_table

 6249 07:58:45.198998  # [   45.199788] C[   56.093182] lkdtm: good_stack: ffff9b2f434bfe20-ffff9b2f434bfe40

 6250 07:58:45.212187  PU: 0 PID: 2044 Comm: cat Tainted: G      D W         5.10.173-c[   56.106123] lkdtm: bad_stack : ffff9b2f434bfda8-ffff9b2f434bfdc8

 6251 07:58:45.212284  ip27 #1

 6252 07:58:45.225620  # [   45.214621] Hardware name: Google Rammus/Rammus, B[   56.119056] lkdtm: attempting good copy_from_user of local stack

 6253 07:58:45.225715  IOS  09/04/2020

 6254 07:58:45.235225  # [   45.227675] RIP: 0010:refcount_warn_satura[   56.131991] lkdtm: attempting bad copy_from_user of distant stack

 6255 07:58:45.238659  te+0x97/0x110

 6256 07:58:45.258690  # [   45.239721] Code: 01 01 e8 d9 a0 98 00 0f 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 9f c6 05 f2 0a 94 01 01 e8 b6 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66

 6257 07:58:45.264706  # [   45.266925] RSP: 0018:ffff9b2f4291fe38 EFLAGS: 00010282

 6258 07:58:45.275159  # [   45.278957] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 6259 07:58:45.281252  # [   45.293209] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 6260 07:58:45.291169  # [   45.307351] RBP: ffffffff9f6ceba0 R08: 0000000000000000 R09: 0000000000000000

 6261 07:58:45.297640  # [   45.321580] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6262 07:58:45.307614  # [   45.335770] R13: ffff9b2f4291ff10 R14: ffff9b2f4291ff10 R15: ffff8ae68368e000

 6263 07:58:45.314496  # [   45.349949] FS:  00007f92feee7580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 6264 07:58:45.321109  # [   45.365190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6265 07:58:45.330894  # [   45.377829] CR2: 00007f92fecf0000 CR3: 0000000104406006 CR4: 00000000003706f0

 6266 07:58:45.334230  # [   45.392031] Call Trace:

 6267 07:58:45.340918  # [   45.400976]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6268 07:58:45.347641  # [   45.413317]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 6269 07:58:45.350696  # [   45.425760]  direct_entry.cold+0x2c/0x38

 6270 07:58:45.353919  # [   45.436359]  full_proxy_write+0x53/0x80

 6271 07:58:45.360461  [   56.260341] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 6272 07:58:45.367127  # [   45.446860]  vfs_write+0xe7/0x3b0

 6273 07:58:45.373530  # [   45.456772]  ksys_w[   56.269805] lkdtm: good_stack: ffff9b2f43537e20-ffff9b2f43537e40

 6274 07:58:45.377161  rite+0x68/0xf0

 6275 07:58:45.380324  # [   45.466700]  do_syscall_64+0x30/0x40

 6276 07:58:45.387089  # [  [   56.282739] lkdtm: bad_stack : ffff9b2f43537ff8-ffff9b2f43538018

 6277 07:58:45.393528   45.476899]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6278 07:58:45.400981  # [   45.[   56.295740] lkdtm: attempting good copy_to_user of local stack

 6279 07:58:45.403699  488745] RIP: 0033:0x7f92fedfd833

 6280 07:58:45.413489  # [   45.498947] Code: 8b 15 6[   56.308506] lkdtm: attempting bad copy_to_user of distant stack

 6281 07:58:45.426705  1 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64[   56.321347] lkdtm: copy_to_user failed, but lacked Oops

 6282 07:58:45.436443   8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6283 07:58:45.446792  # [   45.526152] RSP: 002b:00007ffde6727d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6284 07:58:45.453450  # [   45.540845] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f92fedfd833

 6285 07:58:45.463210  # [   45.555069] RDX: 000000000000001f RSI: 00007f92fecf0000 RDI: 0000000000000001

 6286 07:58:45.469592  # [   45.569316] RBP: 00007f92fecf0000 R08: 00007f92fecef010 R09: 0000000000000000

 6287 07:58:45.479253  # [   45.583491] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6288 07:58:45.485954  # [   45.597685] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6289 07:58:45.489277  # [   45.611896] irq event stamp: 0

 6290 07:58:45.495774  # [   45.621480] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6291 07:58:45.505813  # [   45.634763] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6292 07:58:45.515541  # [   45.650099] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6293 07:58:45.522486  # [   45.665489] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6294 07:58:45.528920  # [   45.678724] ---[ end trace b9cc279d67662aad ]---

 6295 07:58:45.535911  # [   45.690122] lkdtm: Overflow detected: saturated

 6296 07:58:45.538506  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6297 07:58:45.545539  ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6298 07:58:45.555137  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVE[   56.453315] lkdtm: Performing direct entry USERCOPY_KERNEL

 6299 07:58:45.564914  [   56.463701] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9f2d5f10

 6300 07:58:45.571426  [   56.472410] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9dee4290

 6301 07:58:45.574927  RFLOW.sh

 6302 07:58:45.584630  # [   45.834260] lkdtm: Performing direct entry REFCOU[   56.480779] lkdtm: FAIL: survived bad copy_to_user()

 6303 07:58:45.588379  NT_ADD_NOT_ZERO_OVERFLOW

 6304 07:58:45.595270  # [   45.845779] lkdtm: attempting bad refcount_add_not_zero() overflow

 6305 07:58:45.598412  # [   45.858902] ------------[ cut here ]------------

 6306 07:58:45.605136  # [   45.870260] refcount_t: saturated; leaking memory.

 6307 07:58:45.614901  # [   45.881858] WARNING: CPU: 0 PID: 2076 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6308 07:58:45.660499  # [   45.897505] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6309 07:58:45.670656  # [   45.949359] CPU: 0 PID: 2076 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6310 07:58:45.677268  # [   45.964223] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6311 07:58:45.683653  # [   45.977242] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6312 07:58:45.703458  # [   45.989289] Code: 01 01 e8 d9 a0 98 00 0f 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 9f c6 05 f2 0a 94 01 01 e8 b6 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66

 6313 07:58:45.716917  # [   46.016491] RSP: 0018:ffff9b2f42997e38 EFLAGS: 000[   56.614221] lkdtm: Performing direct entry STACKLEAK_ERASING

 6314 07:58:45.723293  [   56.623295] lkdtm: checking unused part of the thread stack (15928 bytes)...

 6315 07:58:45.730347  [   56.631185] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 6316 07:58:45.733264  10282

 6317 07:58:45.743349  # [   46.028564] RAX: 0000000000000000 RBX: 000000007ffff[   56.638974] lkdtm: FAIL: the thread stack is NOT properly erased

 6318 07:58:45.752852  [   56.651898] CPU: 2 PID: 2881 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6319 07:58:45.759826  [   56.660545] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6320 07:58:45.762712  [   56.667347] Call Trace:

 6321 07:58:45.766085  [   56.670077]  dump_stack+0x77/0x9b

 6322 07:58:45.769419  [   56.673774]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 6323 07:58:45.776313  [   56.678928]  direct_entry.cold+0x2c/0x38

 6324 07:58:45.779272  [   56.683298]  full_proxy_write+0x53/0x80

 6325 07:58:45.782422  [   56.687579]  vfs_write+0xe7/0x3b0

 6326 07:58:45.786184  [   56.691276]  ksys_write+0x68/0xf0

 6327 07:58:45.789884  [   56.694974]  do_syscall_64+0x30/0x40

 6328 07:58:45.795817  [   56.698963]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6329 07:58:45.799257  [   56.704602] RIP: 0033:0x7fc68d927833

 6330 07:58:45.822220  [   56.708582] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6331 07:58:45.828948  [   56.729562] RSP: 002b:00007ffd4f18d078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6332 07:58:45.838701  [   56.738015] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc68d927833

 6333 07:58:45.845547  [   56.745983] RDX: 0000000000000012 RSI: 00007fc68d81a000 RDI: 0000000000000001

 6334 07:58:45.855343  [   56.753951] RBP: 00007fc68d81a000 R08: 00007fc68d819010 R09: 0000000000000000

 6335 07:58:45.862073  [   56.761920] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6336 07:58:45.868765  [   56.769888] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6337 07:58:45.871631  fff RCX: 0000000000000000

 6338 07:58:45.881441  # [   46.042757] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 6339 07:58:45.888075  # [   46.056964] RBP: ffffffff9f6cebc0 R08: 0000000000000000 R09: 0000000000000000

 6340 07:58:45.898020  # [   46.071155] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6341 07:58:45.904515  # [   46.085357] R13: ffff9b2f42997f10 R14: ffff9b2f42997f10 R15: ffff8ae685591000

 6342 07:58:45.914529  # [   46.099562] FS:  00007f866812a580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 6343 07:58:45.921205  # [   46.114831] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6344 07:58:45.928041  # [   46.127457] CR2: 00007f8667f33000 CR3: 000000010388e004 CR4: 00000000003706f0

 6345 07:58:45.931227  # [   46.141641] Call Trace:

 6346 07:58:45.937869  # [   46.150619]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6347 07:58:45.944564  # [   46.162928]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 6348 07:58:45.947797  # [   46.175464]  direct_entry.cold+0x2c/0x38

 6349 07:58:45.954278  # [   46.186016]  full_proxy_write+0x53/0x80

 6350 07:58:45.957463  # [   46.196556]  vfs_write+0xe7/0x3b0

 6351 07:58:45.961177  # [   46.206476]  ksys_write+0x68/0xf0

 6352 07:58:45.963973  # [   46.216381]  do_syscall_64+0x30/0x40

 6353 07:58:45.971063  # [   46.226604]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6354 07:58:45.974571  # [   46.238445] RIP: 0033:0x7f8668040833

 6355 07:58:46.000302  # [   46.248702] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 [   56.898750] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 6356 07:58:46.004051  48 83 ec 28 48 89 54 24 18

 6357 07:58:46.010425  # [   46.275856] RSP: 002b:00007fff7[   56.908549] lkdtm: Calling matched prototype ...

 6358 07:58:46.017071  6ecf358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6359 07:58:46.023493  # [   46.29[   56.919928] lkdtm: Calling mismatched prototype ...

 6360 07:58:46.037065  0565] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f866[   56.931580] lkdtm: Fail: survived mismatched prototype function call!

 6361 07:58:46.037169  8040833

 6362 07:58:46.046811  # [   46.304711] RDX: 000000000000001f RSI: 00007f8667f33000 RDI: 0000000000000001

 6363 07:58:46.053070  # [   46.318950] RBP: 00007f8667f33000 R08: 00007f8667f32010 R09: 0000000000000000

 6364 07:58:46.062758  # [   46.333117] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6365 07:58:46.069728  # [   46.347324] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6366 07:58:46.073040  # [   46.361524] irq event stamp: 0

 6367 07:58:46.082936  # [   46.371199] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6368 07:58:46.089008  # [   46.384386] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6369 07:58:46.099613  # [   46.399775] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6370 07:58:46.109292  # [   46.415104] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6371 07:58:46.112726  # [   46.428346] ---[ end trace b9cc279d67662aae ]---

 6372 07:58:46.118972  # [   46.439709] lkdtm: Overflow detected: saturated

 6373 07:58:46.125413  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6374 07:58:46.128736  ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6375 07:58:46.135405  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6376 07:58:46.141827  # [   46.560665] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 6377 07:58:46.148580  # [   46.569182] lkdtm: attempting good refcount_dec()

 6378 07:58:46.151842  # [   46.580643] lkdtm: attempting bad refcount_dec() to zero

 6379 07:58:46.158398  # [   46.592813] ------------[ cut here ]------------

 6380 07:58:46.164827  # [   46.604194] refcount_t: decrement hit 0; leaking memory.

 6381 07:58:46.175061  # [   46.616383] WARNING: CPU: 0 PID: 2108 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6382 07:58:46.221040  # [   46.632000] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6383 07:58:46.230857  # [   46.683872] CPU: 0 PID: 2108 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6384 07:58:46.237110  # [   46.698749] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6385 07:58:46.243948  # [   46.711779] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6386 07:58:46.266847  # [   46.723822] Code: 98 90 66 9f c6 05 a3 0a 94 01 01 e8 6c a0 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 90 66 9f c6 05 8a 0a 94 01 01 e8 52 a0 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6387 07:58:46.273430  # [   46.751061] RSP: 0018:ffff9b2f42a2fe48 EFLAGS: 00010286

 6388 07:58:46.279914  # [   46.763203] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 6389 07:58:46.289678  # [   46.777355] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 6390 07:58:46.296213  # [   46.791567] RBP: ffffffff9f6cef79 R08: 0000000000000000 R09: 0000000000000000

 6391 07:58:46.306371  # [   46.805734] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6392 07:58:46.316048  # [   46.820009] R13: ffff9b2f42a2ff10 R14: ffff9b2f42a2ff10 R15: ffff8ae685729000

 6393 07:58:46.325826  # [   46.834131] FS:  00007f595a351580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 6394 07:58:46.332486  # [   46.849431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6395 07:58:46.339340  # [   46.862025] CR2: 00007f595a15a000 CR3: 0000000103646006 CR4: 00000000003706f0

 6396 07:58:46.342760  # [   46.876237] Call Trace:

 6397 07:58:46.349396  # [   46.885170]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 6398 07:58:46.352548  # [   46.896361]  direct_entry.cold+0x2c/0x38

 6399 07:58:46.359041  # [   46.906942]  full_proxy_write+0x53/0x80

 6400 07:58:46.362307  # [   46.917466]  vfs_write+0xe7/0x3b0

 6401 07:58:46.365293  # [   46.927362]  ksys_write+0x68/0xf0

 6402 07:58:46.368495  # [   46.937290]  do_syscall_64+0x30/0x40

 6403 07:58:46.375165  # [   46.947484]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6404 07:58:46.381574  # [   46.959362] RIP: 0033:0x7f595a267833

 6405 07:58:46.401179  # [   46.969549] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6406 07:58:46.411019  # [   46.996773] RSP: 002b:00007ffe8410e128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6407 07:58:46.417856  # [   47.011423] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f595a267833

 6408 07:58:46.427557  # [   47.025637] RDX: 0000000000000012 RSI: 00007f595a15a000 RDI: 0000000000000001

 6409 07:58:46.434317  # [   47.039802] RBP: 00007f595a15a000 R08: 00007f595a159010 R09: 0000000000000000

 6410 07:58:46.443782  # [   47.054009] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6411 07:58:46.453613  # [   47.068180] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6412 07:58:46.457177  # [   47.082400] irq event stamp: 0

 6413 07:58:46.463503  # [   47.091999] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6414 07:58:46.473461  # [   47.105228] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6415 07:58:46.483165  # [   47.120565] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6416 07:58:46.490038  # [   47.135937] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6417 07:58:46.496917  # [   47.149135] ---[ end trace b9cc279d67662aaf ]---

 6418 07:58:46.499722  # [   47.160535] lkdtm: Zero detected: saturated

 6419 07:58:46.506357  # REFCOUNT_DEC_ZERO: saw 'call trace:': ok

 6420 07:58:46.509538  ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6421 07:58:46.513202  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6422 07:58:46.523330  # [   47.288214] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6423 07:58:46.529356  # [   47.296227] lkdtm: attempting bad refcount_dec() below zero

 6424 07:58:46.532443  # [   47.308665] ------------[ cut here ]------------

 6425 07:58:46.539518  # [   47.320039] refcount_t: decrement hit 0; leaking memory.

 6426 07:58:46.549128  # [   47.332228] WARNING: CPU: 0 PID: 2143 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6427 07:58:46.598506  # [   47.347852] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6428 07:58:46.608402  # [   47.399719] CPU: 0 PID: 2143 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6429 07:58:46.615303  # [   47.414607] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6430 07:58:46.621229  # [   47.427617] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6431 07:58:46.641051  # [   47.439718] Code: 98 90 66 9f c6 05 a3 0a 94 01 01 e8 6c a0 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 90 66 9f c6 05 8a 0a 94 01 01 e8 52 a0 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6432 07:58:46.647511  # [   47.466910] RSP: 0018:ffff9b2f42aa7e48 EFLAGS: 00010286

 6433 07:58:46.657269  # [   47.478954] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6434 07:58:46.664218  # [   47.493185] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 6435 07:58:46.674181  # [   47.507342] RBP: ffffffff9f6cef8b R08: 0000000000000000 R09: 0000000000000000

 6436 07:58:46.680592  # [   47.521564] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6437 07:58:46.690251  # [   47.535733] R13: ffff9b2f42aa7f10 R14: ffff9b2f42aa7f10 R15: ffff8ae683641000

 6438 07:58:46.700295  # [   47.549967] FS:  00007f9a7d8b1580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 6439 07:58:46.707072  # [   47.565215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6440 07:58:46.716699  # [   47.577876] CR2: 00007f9a7d6ba000 CR3: 00000001046fa003 CR4: 00000000003706f0

 6441 07:58:46.719979  # [   47.592039] Call Trace:

 6442 07:58:46.723211  # [   47.601019]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6443 07:58:46.729652  # [   47.612608]  direct_entry.cold+0x2c/0x38

 6444 07:58:46.733056  # [   47.623182]  full_proxy_write+0x53/0x80

 6445 07:58:46.736449  # [   47.633670]  vfs_write+0xe7/0x3b0

 6446 07:58:46.743271  # [   47.643602]  ksys_write+0x68/0xf0

 6447 07:58:46.746459  # [   47.653506]  do_syscall_64+0x30/0x40

 6448 07:58:46.752615  # [   47.663737]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6449 07:58:46.756052  # [   47.675577] RIP: 0033:0x7f9a7d7c7833

 6450 07:58:46.775972  # [   47.685832] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6451 07:58:46.785915  # [   47.712993] RSP: 002b:00007ffdd6fb3888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6452 07:58:46.795352  # [   47.727686] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9a7d7c7833

 6453 07:58:46.802341  # [   47.741870] RDX: 0000000000000016 RSI: 00007f9a7d6ba000 RDI: 0000000000000001

 6454 07:58:46.811856  # [   47.756057] RBP: 00007f9a7d6ba000 R08: 00007f9a7d6b9010 R09: 0000000000000000

 6455 07:58:46.818539  # [   47.770255] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6456 07:58:46.829001  # [   47.784406] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6457 07:58:46.831911  # [   47.798646] irq event stamp: 0

 6458 07:58:46.838648  # [   47.808222] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6459 07:58:46.848248  # [   47.821467] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6460 07:58:46.858473  # [   47.836788] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6461 07:58:46.865353  # [   47.852151] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6462 07:58:46.871026  # [   47.865356] ---[ end trace b9cc279d67662ab0 ]---

 6463 07:58:46.878028  # [   47.876732] lkdtm: Negative detected: saturated

 6464 07:58:46.884653  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 6465 07:58:46.888118  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6466 07:58:46.894067  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6467 07:58:46.904202  # [   48.006594] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6468 07:58:46.910738  # [   48.019893] lkdtm: attempting bad refcount_dec_and_test() below zero

 6469 07:58:46.917075  # [   48.033203] ------------[ cut here ]------------

 6470 07:58:46.920463  # [   48.044602] refcount_t: underflow; use-after-free.

 6471 07:58:46.930347  # [   48.056181] WARNING: CPU: 0 PID: 2178 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6472 07:58:46.979591  # [   48.071804] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6473 07:58:46.989683  # [   48.123675] CPU: 0 PID: 2178 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6474 07:58:46.996427  # [   48.138562] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6475 07:58:47.002911  # [   48.151584] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6476 07:58:47.022277  # [   48.163630] Code: 01 01 e8 b6 a0 98 00 0f 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 9f c6 05 cc 0a 94 01 01 e8 93 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d b7 0a 94 01 00 0f 85 5e ff ff ff 48 c7

 6477 07:58:47.028520  # [   48.190857] RSP: 0018:ffff9b2f42b3fe40 EFLAGS: 00010286

 6478 07:58:47.038964  # [   48.202891] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6479 07:58:47.045621  # [   48.217097] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 6480 07:58:47.055631  # [   48.231270] RBP: ffffffff9f6cebe0 R08: 0000000000000000 R09: 0000000000000000

 6481 07:58:47.065061  # [   48.245495] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6482 07:58:47.071756  # [   48.259640] R13: ffff9b2f42b3ff10 R14: ffff9b2f42b3ff10 R15: ffff8ae6857a6000

 6483 07:58:47.081455  # [   48.273859] FS:  00007f5ef9cf8580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 6484 07:58:47.088707  # [   48.289095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6485 07:58:47.098473  # [   48.301737] CR2: 00007f5ef9b01000 CR3: 000000010334a006 CR4: 00000000003706f0

 6486 07:58:47.101689  # [   48.315917] Call Trace:

 6487 07:58:47.107764  # [   48.324878]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6488 07:58:47.114483  # [   48.337202]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6489 07:58:47.118067  # [   48.349663]  direct_entry.cold+0x2c/0x38

 6490 07:58:47.120776  # [   48.360237]  full_proxy_write+0x53/0x80

 6491 07:58:47.127317  # [   48.370753]  vfs_write+0xe7/0x3b0

 6492 07:58:47.130868  # [   48.380651]  ksys_write+0x68/0xf0

 6493 07:58:47.133842  # [   48.390585]  do_syscall_64+0x30/0x40

 6494 07:58:47.140468  # [   48.400773]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6495 07:58:47.144030  # [   48.412651] RIP: 0033:0x7f5ef9c0e833

 6496 07:58:47.167069  # [   48.422846] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6497 07:58:47.176699  # [   48.450080] RSP: 002b:00007fffd48b4948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6498 07:58:47.183501  # [   48.464729] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5ef9c0e833

 6499 07:58:47.193349  # [   48.478921] RDX: 000000000000001f RSI: 00007f5ef9b01000 RDI: 0000000000000001

 6500 07:58:47.199941  # [   48.493101] RBP: 00007f5ef9b01000 R08: 00007f5ef9b00010 R09: 0000000000000000

 6501 07:58:47.209701  # [   48.507284] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6502 07:58:47.219213  # [   48.521468] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6503 07:58:47.222658  # [   48.535668] irq event stamp: 0

 6504 07:58:47.229289  # [   48.545278] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6505 07:58:47.239063  # [   48.558508] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6506 07:58:47.249252  # [   48.573846] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6507 07:58:47.255868  # [   48.589227] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6508 07:58:47.261998  # [   48.602423] ---[ end trace b9cc279d67662ab1 ]---

 6509 07:58:47.265984  # [   48.613794] lkdtm: Negative detected: saturated

 6510 07:58:47.275658  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6511 07:58:47.278776  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6512 07:58:47.284980  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6513 07:58:47.295074  # [   48.759278] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6514 07:58:47.302254  # [   48.769367] lkdtm: attempting bad refcount_sub_and_test() below zero

 6515 07:58:47.308031  # [   48.776481] ------------[ cut here ]------------

 6516 07:58:47.311852  # [   48.781641] refcount_t: underflow; use-after-free.

 6517 07:58:47.321145  # [   48.787050] WARNING: CPU: 3 PID: 2213 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6518 07:58:47.370903  # [   48.796485] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6519 07:58:47.381845  # [   48.848363] CPU: 3 PID: 2213 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6520 07:58:47.387168  # [   48.863222] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6521 07:58:47.394124  # [   48.870032] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6522 07:58:47.413466  # [   48.882081] Code: 01 01 e8 b6 a0 98 00 0f 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 9f c6 05 cc 0a 94 01 01 e8 93 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d b7 0a 94 01 00 0f 85 5e ff ff ff 48 c7

 6523 07:58:47.420217  # [   48.903069] RSP: 0018:ffff9b2f42bcfe40 EFLAGS: 00010286

 6524 07:58:47.429740  # [   48.908936] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6525 07:58:47.440060  # [   48.916911] RDX: ffff8ae6fadac660 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70

 6526 07:58:47.446104  # [   48.931096] RBP: ffffffff9f6cec00 R08: 0000000000000000 R09: 0000000000000000

 6527 07:58:47.455965  # [   48.939069] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6528 07:58:47.462985  # [   48.953254] R13: ffff9b2f42bcff10 R14: ffff9b2f42bcff10 R15: ffff8ae683be7000

 6529 07:58:47.472399  # [   48.961256] FS:  00007f464b20a580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000

 6530 07:58:47.479501  # [   48.976501] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6531 07:58:47.489194  # [   48.982922] CR2: 00007f464b013000 CR3: 0000000105702006 CR4: 00000000003706e0

 6532 07:58:47.492181  # [   48.990949] Call Trace:

 6533 07:58:47.499268  # [   48.993699]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6534 07:58:47.505620  # [   49.006023]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6535 07:58:47.508589  # [   49.012269]  direct_entry.cold+0x2c/0x38

 6536 07:58:47.512165  # [   49.016658]  full_proxy_write+0x53/0x80

 6537 07:58:47.518770  # [   49.027149]  vfs_write+0xe7/0x3b0

 6538 07:58:47.521807  # [   49.030880]  ksys_write+0x68/0xf0

 6539 07:58:47.525380  # [   49.034583]  do_syscall_64+0x30/0x40

 6540 07:58:47.531923  # [   49.038607]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6541 07:58:47.534968  # [   49.044253] RIP: 0033:0x7f464b120833

 6542 07:58:47.558509  # [   49.048253] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6543 07:58:47.568079  # [   49.075445] RSP: 002b:00007ffedec1b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6544 07:58:47.574559  # [   49.083903] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f464b120833

 6545 07:58:47.584591  # [   49.091877] RDX: 000000000000001f RSI: 00007f464b013000 RDI: 0000000000000001

 6546 07:58:47.594258  # [   49.099848] RBP: 00007f464b013000 R08: 00007f464b012010 R09: 0000000000000000

 6547 07:58:47.600865  # [   49.107821] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6548 07:58:47.611188  # [   49.115793] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6549 07:58:47.613754  # [   49.123769] irq event stamp: 0

 6550 07:58:47.620577  # [   49.127207] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6551 07:58:47.630343  # [   49.134211] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6552 07:58:47.640375  # [   49.143355] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6553 07:58:47.646911  # [   49.152492] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6554 07:58:47.653596  # [   49.159491] ---[ end trace b9cc279d67662ab2 ]---

 6555 07:58:47.656888  # [   49.164648] lkdtm: Negative detected: saturated

 6556 07:58:47.666838  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6557 07:58:47.673394  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6558 07:58:47.676383  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6559 07:58:47.682999  # [   49.277314] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6560 07:58:47.689837  # [   49.287968] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6561 07:58:47.693010  # [   49.301288] lkdtm: Good: zero detected

 6562 07:58:47.699565  # [   49.311675] lkdtm: Correctly stayed at zero

 6563 07:58:47.706217  # [   49.322616] lkdtm: attempting bad refcount_inc() from zero

 6564 07:58:47.713091  # [   49.334934] ------------[ cut here ]------------

 6565 07:58:47.716408  # [   49.346324] refcount_t: addition on 0; use-after-free.

 6566 07:58:47.726493  # [   49.358272] WARNING: CPU: 0 PID: 2245 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6567 07:58:47.775924  # [   49.373924] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6568 07:58:47.785958  # [   49.425749] CPU: 0 PID: 2245 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6569 07:58:47.792468  # [   49.440684] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6570 07:58:47.798910  # [   49.453676] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6571 07:58:47.819081  # [   49.465716] Code: 01 01 e8 fc a0 98 00 0f 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66 9f c6 05 13 0b 94 01 01 e8 d9 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66

 6572 07:58:47.825458  # [   49.492932] RSP: 0018:ffff9b2f42c3fe48 EFLAGS: 00010286

 6573 07:58:47.835008  # [   49.504996] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6574 07:58:47.841580  # [   49.519159] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 6575 07:58:47.851732  # [   49.533373] RBP: ffffffff9f6cefa1 R08: 0000000000000000 R09: 0000000000000000

 6576 07:58:47.858471  # [   49.547536] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6577 07:58:47.868021  # [   49.561754] R13: ffff9b2f42c3ff10 R14: ffff9b2f42c3ff10 R15: ffff8ae683c6f000

 6578 07:58:47.878112  # [   49.575919] FS:  00007f5064896580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 6579 07:58:47.884744  # [   49.591238] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6580 07:58:47.890865  # [   49.603844] CR2: 00007f506469f000 CR3: 0000000104946001 CR4: 00000000003706f0

 6581 07:58:47.894512  # [   49.618038] Call Trace:

 6582 07:58:47.900883  # [   49.626998]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6583 07:58:47.904109  # [   49.638169]  direct_entry.cold+0x2c/0x38

 6584 07:58:47.910740  # [   49.648768]  full_proxy_write+0x53/0x80

 6585 07:58:47.914193  # [   49.659255]  vfs_write+0xe7/0x3b0

 6586 07:58:47.917196  # [   49.669224]  ksys_write+0x68/0xf0

 6587 07:58:47.923881  # [   49.679137]  do_syscall_64+0x30/0x40

 6588 07:58:47.927008  # [   49.689375]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6589 07:58:47.933381  # [   49.701200] RIP: 0033:0x7f50647ac833

 6590 07:58:47.953417  # [   49.711464] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6591 07:58:47.963407  # [   49.738627] RSP: 002b:00007fffbe86d058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6592 07:58:47.972996  # [   49.753364] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f50647ac833

 6593 07:58:47.979563  # [   49.767516] RDX: 0000000000000012 RSI: 00007f506469f000 RDI: 0000000000000001

 6594 07:58:47.989427  # [   49.781753] RBP: 00007f506469f000 R08: 00007f506469e010 R09: 0000000000000000

 6595 07:58:47.999290  # [   49.795926] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6596 07:58:48.005539  # [   49.810172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6597 07:58:48.009383  # [   49.824332] irq event stamp: 0

 6598 07:58:48.018731  # [   49.834035] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6599 07:58:48.025693  # [   49.847197] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6600 07:58:48.035022  # [   49.862583] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6601 07:58:48.045617  # [   49.877922] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6602 07:58:48.048755  # [   49.891162] ---[ end trace b9cc279d67662ab3 ]---

 6603 07:58:48.055230  # [   49.902528] lkdtm: Zero detected: saturated

 6604 07:58:48.058400  # REFCOUNT_INC_ZERO: saw 'call trace:': ok

 6605 07:58:48.065260  ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6606 07:58:48.068136  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6607 07:58:48.075215  # [   50.024282] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6608 07:58:48.081995  # [   50.031707] lkdtm: attempting safe refcount_add_not_zero() from zero

 6609 07:58:48.088372  # [   50.045047] lkdtm: Good: zero detected

 6610 07:58:48.091276  # [   50.055438] lkdtm: Correctly stayed at zero

 6611 07:58:48.098108  # [   50.066287] lkdtm: attempting bad refcount_add() from zero

 6612 07:58:48.104564  # [   50.078629] ------------[ cut here ]------------

 6613 07:58:48.111299  # [   50.090043] refcount_t: addition on 0; use-after-free.

 6614 07:58:48.121095  # [   50.102009] WARNING: CPU: 0 PID: 2277 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6615 07:58:48.167232  # [   50.117597] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6616 07:58:48.176884  # [   50.169503] CPU: 0 PID: 2277 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6617 07:58:48.183504  # [   50.184380] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6618 07:58:48.190162  # [   50.197445] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6619 07:58:48.209768  # [   50.209470] Code: 01 01 e8 fc a0 98 00 0f 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66 9f c6 05 13 0b 94 01 01 e8 d9 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66

 6620 07:58:48.216412  # [   50.236699] RSP: 0018:ffff9b2f42b1fe48 EFLAGS: 00010286

 6621 07:58:48.226372  # [   50.248772] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6622 07:58:48.232929  # [   50.262983] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 6623 07:58:48.243023  # [   50.277176] RBP: ffffffff9f6cefb3 R08: 0000000000000000 R09: 0000000000000000

 6624 07:58:48.249909  # [   50.291397] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6625 07:58:48.259579  # [   50.305581] R13: ffff9b2f42b1ff10 R14: ffff9b2f42b1ff10 R15: ffff8ae685675000

 6626 07:58:48.269848  # [   50.319796] FS:  00007f26b246f580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 6627 07:58:48.276086  # [   50.335049] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6628 07:58:48.283345  # [   50.347719] CR2: 00007f26b2278000 CR3: 00000001036bc006 CR4: 00000000003706f0

 6629 07:58:48.286233  # [   50.361900] Call Trace:

 6630 07:58:48.292886  # [   50.370878]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 6631 07:58:48.295947  # [   50.382050]  direct_entry.cold+0x2c/0x38

 6632 07:58:48.301862  # [   50.392691]  full_proxy_write+0x53/0x80

 6633 07:58:48.305652  # [   50.403166]  vfs_write+0xe7/0x3b0

 6634 07:58:48.309100  # [   50.413110]  ksys_write+0x68/0xf0

 6635 07:58:48.311980  # [   50.423021]  do_syscall_64+0x30/0x40

 6636 07:58:48.318470  # [   50.433259]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6637 07:58:48.325995  # [   50.445110] RIP: 0033:0x7f26b2385833

 6638 07:58:48.345062  # [   50.455325] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6639 07:58:48.355475  # [   50.482519] RSP: 002b:00007ffcfcabf938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6640 07:58:48.361263  # [   50.497224] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f26b2385833

 6641 07:58:48.371942  # [   50.511404] RDX: 0000000000000012 RSI: 00007f26b2278000 RDI: 0000000000000001

 6642 07:58:48.382109  # [   50.525596] RBP: 00007f26b2278000 R08: 00007f26b2277010 R09: 0000000000000000

 6643 07:58:48.388210  # [   50.539774] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6644 07:58:48.398556  # [   50.553997] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6645 07:58:48.401829  # [   50.568206] irq event stamp: 0

 6646 07:58:48.407701  # [   50.577856] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6647 07:58:48.417553  # [   50.591070] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6648 07:58:48.427382  # [   50.606455] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6649 07:58:48.434251  # [   50.621824] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6650 07:58:48.441259  # [   50.635069] ---[ end trace b9cc279d67662ab4 ]---

 6651 07:58:48.447808  # [   50.646440] lkdtm: Zero detected: saturated

 6652 07:58:48.450901  # REFCOUNT_ADD_ZERO: saw 'call trace:': ok

 6653 07:58:48.454443  ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6654 07:58:48.460205  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 6655 07:58:48.467021  # [   50.801822] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 6656 07:58:48.473941  # [   50.813280] lkdtm: attempting bad refcount_inc() from saturated

 6657 07:58:48.480137  # [   50.819901] ------------[ cut here ]------------

 6658 07:58:48.487045  # [   50.825065] refcount_t: saturated; leaking memory.

 6659 07:58:48.496507  # [   50.830428] WARNING: CPU: 2 PID: 2312 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6660 07:58:48.542740  # [   50.839864] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6661 07:58:48.552343  # [   50.891765] CPU: 2 PID: 2312 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6662 07:58:48.558915  # [   50.900447] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6663 07:58:48.565483  # [   50.907256] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6664 07:58:48.588387  # [   50.913123] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 47 0b 94 01 00 75 ee 48 c7 c7 e8 8f 66 9f c6 05 37 0b 94 01 01 e8 fc a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66

 6665 07:58:48.591674  # [   50.934107] RSP: 0018:ffff9b2f42d27e48 EFLAGS: 00010286

 6666 07:58:48.601509  # [   50.946157] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 6667 07:58:48.611438  # [   50.954132] RDX: ffff8ae6fad2c660 RSI: ffff8ae6fad1bf70 RDI: ffff8ae6fad1bf70

 6668 07:58:48.617880  # [   50.968320] RBP: ffffffff9f6cefc5 R08: 0000000000000000 R09: 0000000000000000

 6669 07:58:48.627599  # [   50.982503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6670 07:58:48.634428  # [   50.990475] R13: ffff9b2f42d27f10 R14: ffff9b2f42d27f10 R15: ffff8ae683735000

 6671 07:58:48.644381  # [   51.004659] FS:  00007ff40c7fd580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 6672 07:58:48.650664  # [   51.013698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6673 07:58:48.660894  # [   51.020114] CR2: 00007ff40c606000 CR3: 0000000105f70005 CR4: 00000000003706e0

 6674 07:58:48.664013  # [   51.028084] Call Trace:

 6675 07:58:48.670585  # [   51.030814]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 6676 07:58:48.673610  # [   51.036293]  direct_entry.cold+0x2c/0x38

 6677 07:58:48.677070  # [   51.040696]  full_proxy_write+0x53/0x80

 6678 07:58:48.683705  # [   51.045003]  vfs_write+0xe7/0x3b0

 6679 07:58:48.686574  # [   51.048726]  ksys_write+0x68/0xf0

 6680 07:58:48.690267  # [   51.052426]  do_syscall_64+0x30/0x40

 6681 07:58:48.696982  # [   51.056416]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6682 07:58:48.700449  # [   51.062060] RIP: 0033:0x7ff40c713833

 6683 07:58:48.723085  # [   51.072267] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6684 07:58:48.729790  # [   51.093257] RSP: 002b:00007fff6d150278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6685 07:58:48.739544  # [   51.101714] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007ff40c713833

 6686 07:58:48.749479  # [   51.109685] RDX: 0000000000000017 RSI: 00007ff40c606000 RDI: 0000000000000001

 6687 07:58:48.756377  # [   51.117654] RBP: 00007ff40c606000 R08: 00007ff40c605010 R09: 0000000000000000

 6688 07:58:48.766058  # [   51.125617] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6689 07:58:48.772881  # [   51.133589] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6690 07:58:48.775980  # [   51.141563] irq event stamp: 0

 6691 07:58:48.785777  # [   51.145001] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6692 07:58:48.792530  # [   51.152002] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6693 07:58:48.802562  # [   51.161137] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6694 07:58:48.812469  # [   51.170273] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6695 07:58:48.815827  # [   51.177273] ---[ end trace b9cc279d67662ab5 ]---

 6696 07:58:48.822470  # [   51.182447] lkdtm: Saturation detected: still saturated

 6697 07:58:48.828844  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 6698 07:58:48.835202  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 6699 07:58:48.838987  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 6700 07:58:48.848615  # [   51.327684] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 6701 07:58:48.855194  # [   51.338226] lkdtm: attempting bad refcount_dec() from saturated

 6702 07:58:48.858129  # [   51.351055] ------------[ cut here ]------------

 6703 07:58:48.864973  # [   51.362423] refcount_t: decrement hit 0; leaking memory.

 6704 07:58:48.874587  # [   51.368385] WARNING: CPU: 1 PID: 2347 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6705 07:58:48.924167  # [   51.383993] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6706 07:58:48.930423  # [   51.435856] CPU: 1 PID: 2347 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6707 07:58:48.940440  # [   51.450722] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6708 07:58:48.947505  # [   51.463744] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6709 07:58:48.966848  # [   51.475797] Code: 98 90 66 9f c6 05 a3 0a 94 01 01 e8 6c a0 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 90 66 9f c6 05 8a 0a 94 01 01 e8 52 a0 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6710 07:58:48.973445  # [   51.502999] RSP: 0018:ffff9b2f42d97e48 EFLAGS: 00010286

 6711 07:58:48.983560  # [   51.515044] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 6712 07:58:48.990120  # [   51.529238] RDX: ffff8ae6facac660 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70

 6713 07:58:48.999739  # [   51.543421] RBP: ffffffff9f6cefdc R08: 0000000000000000 R09: 0000000000000000

 6714 07:58:49.006176  # [   51.557602] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6715 07:58:49.016862  # [   51.571790] R13: ffff9b2f42d97f10 R14: ffff9b2f42d97f10 R15: ffff8ae683671000

 6716 07:58:49.026880  # [   51.585982] FS:  00007f8237721580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 6717 07:58:49.033066  # [   51.601235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6718 07:58:49.039484  # [   51.613871] CR2: 00007f823752a000 CR3: 0000000105fce001 CR4: 00000000003706e0

 6719 07:58:49.042867  # [   51.628059] Call Trace:

 6720 07:58:49.049191  # [   51.637005]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 6721 07:58:49.052763  # [   51.648667]  direct_entry.cold+0x2c/0x38

 6722 07:58:49.059465  # [   51.659262]  full_proxy_write+0x53/0x80

 6723 07:58:49.062522  # [   51.669760]  vfs_write+0xe7/0x3b0

 6724 07:58:49.065862  # [   51.679676]  ksys_write+0x68/0xf0

 6725 07:58:49.069212  # [   51.689592]  do_syscall_64+0x30/0x40

 6726 07:58:49.075722  # [   51.699800]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6727 07:58:49.082496  # [   51.711656] RIP: 0033:0x7f8237637833

 6728 07:58:49.101976  # [   51.721863] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6729 07:58:49.111620  # [   51.749065] RSP: 002b:00007ffe35e236a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6730 07:58:49.118263  # [   51.763740] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8237637833

 6731 07:58:49.128437  # [   51.771715] RDX: 0000000000000017 RSI: 00007f823752a000 RDI: 0000000000000001

 6732 07:58:49.138402  # [   51.785898] RBP: 00007f823752a000 R08: 00007f8237529010 R09: 0000000000000000

 6733 07:58:49.145260  # [   51.793874] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6734 07:58:49.155059  # [   51.808054] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6735 07:58:49.158426  # [   51.816036] irq event stamp: 0

 6736 07:58:49.164669  # [   51.825649] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6737 07:58:49.174458  # [   51.838869] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6738 07:58:49.184236  # [   51.854224] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6739 07:58:49.190966  # [   51.869579] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6740 07:58:49.197396  # [   51.876581] ---[ end trace b9cc279d67662ab6 ]---

 6741 07:58:49.204340  # [   51.887950] lkdtm: Saturation detected: still saturated

 6742 07:58:49.210479  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok

 6743 07:58:49.217192  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 6744 07:58:49.220698  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 6745 07:58:49.227477  # [   52.020760] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 6746 07:58:49.233682  # [   52.031127] lkdtm: attempting bad refcount_dec() from saturated

 6747 07:58:49.240422  # [   52.037752] ------------[ cut here ]------------

 6748 07:58:49.246891  # [   52.042921] refcount_t: saturated; leaking memory.

 6749 07:58:49.256920  # [   52.048288] WARNING: CPU: 3 PID: 2382 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6750 07:58:49.302806  # [   52.057725] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6751 07:58:49.312738  # [   52.103408] CPU: 3 PID: 2382 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6752 07:58:49.319127  # [   52.112089] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6753 07:58:49.325561  # [   52.118899] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6754 07:58:49.348982  # [   52.124778] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 47 0b 94 01 00 75 ee 48 c7 c7 e8 8f 66 9f c6 05 37 0b 94 01 01 e8 fc a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d 23 0b 94 01 00 75 cb 48 c7 c7 10 90 66

 6755 07:58:49.355410  # [   52.145773] RSP: 0018:ffff9b2f42e47e48 EFLAGS: 00010286

 6756 07:58:49.361810  # [   52.157825] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 6757 07:58:49.371539  # [   52.165801] RDX: ffff8ae6fadac660 RSI: ffff8ae6fad9bf70 RDI: ffff8ae6fad9bf70

 6758 07:58:49.378260  # [   52.173805] RBP: ffffffff9f6ceff3 R08: 0000000000000000 R09: 0000000000000000

 6759 07:58:49.388635  # [   52.187993] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6760 07:58:49.395008  # [   52.195965] R13: ffff9b2f42e47f10 R14: ffff9b2f42e47f10 R15: ffff8ae685d6a000

 6761 07:58:49.404603  # [   52.203935] FS:  00007febeba2f580(0000) GS:ffff8ae6fad80000(0000) knlGS:0000000000000000

 6762 07:58:49.411538  # [   52.212974] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6763 07:58:49.421180  # [   52.219414] CR2: 00007febeb838000 CR3: 00000001037b2006 CR4: 00000000003706e0

 6764 07:58:49.424756  # [   52.227397] Call Trace:

 6765 07:58:49.428169  # [   52.236336]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 6766 07:58:49.434436  # [   52.241816]  direct_entry.cold+0x2c/0x38

 6767 07:58:49.437991  # [   52.246196]  full_proxy_write+0x53/0x80

 6768 07:58:49.440732  # [   52.250505]  vfs_write+0xe7/0x3b0

 6769 07:58:49.447592  # [   52.254229]  ksys_write+0x68/0xf0

 6770 07:58:49.450818  # [   52.257929]  do_syscall_64+0x30/0x40

 6771 07:58:49.457227  # [   52.261920]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6772 07:58:49.460592  # [   52.267563] RIP: 0033:0x7febeb945833

 6773 07:58:49.483449  # [   52.271554] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6774 07:58:49.493145  # [   52.292536] RSP: 002b:00007ffe711a33e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6775 07:58:49.500049  # [   52.300994] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007febeb945833

 6776 07:58:49.509607  # [   52.308964] RDX: 0000000000000017 RSI: 00007febeb838000 RDI: 0000000000000001

 6777 07:58:49.516831  # [   52.316936] RBP: 00007febeb838000 R08: 00007febeb837010 R09: 0000000000000000

 6778 07:58:49.526320  # [   52.324908] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6779 07:58:49.532961  # [   52.332878] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6780 07:58:49.539553  # [   52.340854] irq event stamp: 0

 6781 07:58:49.545902  # [   52.344287] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6782 07:58:49.556121  # [   52.357496] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6783 07:58:49.565848  # [   52.366633] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6784 07:58:49.572170  # [   52.375770] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6785 07:58:49.579176  # [   52.382771] ---[ end trace b9cc279d67662ab7 ]---

 6786 07:58:49.585710  # [   52.387926] lkdtm: Saturation detected: still saturated

 6787 07:58:49.592374  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok

 6788 07:58:49.595375  ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 6789 07:58:49.602257  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 6790 07:58:49.612091  # [   52.508494] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 6791 07:58:49.618319  # [   52.519580] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 6792 07:58:49.625032  # [   52.533285] ------------[ cut here ]------------

 6793 07:58:49.628548  # [   52.544655] refcount_t: saturated; leaking memory.

 6794 07:58:49.638053  # [   52.556233] WARNING: CPU: 1 PID: 2414 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6795 07:58:49.687470  # [   52.571867] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6796 07:58:49.697172  # [   52.623765] CPU: 1 PID: 2414 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6797 07:58:49.704055  # [   52.638611] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6798 07:58:49.710914  # [   52.651650] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6799 07:58:49.730610  # [   52.663702] Code: 01 01 e8 d9 a0 98 00 0f 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 9f c6 05 f2 0a 94 01 01 e8 b6 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66

 6800 07:58:49.737087  # [   52.684714] RSP: 0018:ffff9b2f42ed7e38 EFLAGS: 00010282

 6801 07:58:49.746847  # [   52.696760] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6802 07:58:49.756292  # [   52.704735] RDX: ffff8ae6facac660 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70

 6803 07:58:49.763328  # [   52.718916] RBP: ffffffff9f6cec20 R08: 0000000000000000 R09: 0000000000000000

 6804 07:58:49.772991  # [   52.726890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6805 07:58:49.779440  # [   52.741073] R13: ffff9b2f42ed7f10 R14: ffff9b2f42ed7f10 R15: ffff8ae683792000

 6806 07:58:49.789226  # [   52.749047] FS:  00007f13e3e97580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 6807 07:58:49.796067  # [   52.764298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6808 07:58:49.805562  # [   52.770718] CR2: 00007f13e3ca0000 CR3: 0000000103672005 CR4: 00000000003706e0

 6809 07:58:49.808985  # [   52.784900] Call Trace:

 6810 07:58:49.815443  # [   52.787633]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6811 07:58:49.822301  # [   52.799970]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 6812 07:58:49.825053  # [   52.812526]  direct_entry.cold+0x2c/0x38

 6813 07:58:49.831864  # [   52.816907]  full_proxy_write+0x53/0x80

 6814 07:58:49.835194  # [   52.827408]  vfs_write+0xe7/0x3b0

 6815 07:58:49.838506  # [   52.837324]  ksys_write+0x68/0xf0

 6816 07:58:49.844981  # [   52.847244]  do_syscall_64+0x30/0x40

 6817 07:58:49.848181  # [   52.857453]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6818 07:58:49.854810  # [   52.869309] RIP: 0033:0x7f13e3dad833

 6819 07:58:49.874807  # [   52.879518] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6820 07:58:49.885077  # [   52.906720] RSP: 002b:00007fff7737c8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6821 07:58:49.894438  # [   52.921395] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f13e3dad833

 6822 07:58:49.901106  # [   52.935583] RDX: 0000000000000020 RSI: 00007f13e3ca0000 RDI: 0000000000000001

 6823 07:58:49.910889  # [   52.949773] RBP: 00007f13e3ca0000 R08: 00007f13e3c9f010 R09: 0000000000000000

 6824 07:58:49.917279  # [   52.963964] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6825 07:58:49.927093  # [   52.978152] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6826 07:58:49.930497  # [   52.992347] irq event stamp: 0

 6827 07:58:49.936889  # [   53.001967] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6828 07:58:49.946752  # [   53.015187] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6829 07:58:49.956753  # [   53.030539] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6830 07:58:49.963258  # [   53.045895] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6831 07:58:49.969951  # [   53.059114] ---[ end trace b9cc279d67662ab8 ]---

 6832 07:58:49.976650  # [   53.070486] lkdtm: Saturation detected: still saturated

 6833 07:58:49.983249  # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok

 6834 07:58:49.986477  ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 6835 07:58:49.993153  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 6836 07:58:50.002625  # [   53.200471] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 6837 07:58:50.009801  # [   53.208480] lkdtm: attempting bad refcount_add_not_zero() from saturated

 6838 07:58:50.016179  # [   53.215994] ------------[ cut here ]------------

 6839 07:58:50.022813  # [   53.227363] refcount_t: saturated; leaking memory.

 6840 07:58:50.032511  # [   53.238939] WARNING: CPU: 2 PID: 2446 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6841 07:58:50.078341  # [   53.254568] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6842 07:58:50.088366  # [   53.306489] CPU: 2 PID: 2446 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6843 07:58:50.095245  # [   53.315153] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6844 07:58:50.101638  # [   53.328168] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6845 07:58:50.124313  # [   53.334018] Code: 01 01 e8 d9 a0 98 00 0f 0b c3 cc cc cc cc 80 3d 02 0b 94 01 00 75 a8 48 c7 c7 e8 8f 66 9f c6 05 f2 0a 94 01 01 e8 b6 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66

 6846 07:58:50.131405  # [   53.361214] RSP: 0018:ffff9b2f42f67e38 EFLAGS: 00010282

 6847 07:58:50.137511  # [   53.367049] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6848 07:58:50.147126  # [   53.375020] RDX: ffff8ae6fad2c660 RSI: ffff8ae6fad1bf70 RDI: ffff8ae6fad1bf70

 6849 07:58:50.154371  # [   53.382992] RBP: ffffffff9f6cec40 R08: 0000000000000000 R09: 0000000000000000

 6850 07:58:50.163850  # [   53.390961] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6851 07:58:50.170600  # [   53.398924] R13: ffff9b2f42f67f10 R14: ffff9b2f42f67f10 R15: ffff8ae685703000

 6852 07:58:50.180376  # [   53.406894] FS:  00007fa857453580(0000) GS:ffff8ae6fad00000(0000) knlGS:0000000000000000

 6853 07:58:50.186999  # [   53.415933] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6854 07:58:50.196562  # [   53.422349] CR2: 00007fa85725c000 CR3: 00000001027fa006 CR4: 00000000003706e0

 6855 07:58:50.199977  # [   53.430347] Call Trace:

 6856 07:58:50.206161  # [   53.433076]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6857 07:58:50.212885  # [   53.439228]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 6858 07:58:50.219710  # [   53.445548]  direct_entry.cold+0x2c/0x38

 6859 07:58:50.222935  # [   53.449930]  full_proxy_write+0x53/0x80

 6860 07:58:50.226085  # [   53.454238]  vfs_write+0xe7/0x3b0

 6861 07:58:50.229730  # [   53.457961]  ksys_write+0x68/0xf0

 6862 07:58:50.236012  # [   53.461662]  do_syscall_64+0x30/0x40

 6863 07:58:50.242897  # [   53.465677]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6864 07:58:50.245558  # [   53.471320] RIP: 0033:0x7fa857369833

 6865 07:58:50.268710  # [   53.475312] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6866 07:58:50.275057  # [   53.502504] RSP: 002b:00007ffe6a03cc38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6867 07:58:50.284939  # [   53.510962] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa857369833

 6868 07:58:50.291690  # [   53.518933] RDX: 0000000000000020 RSI: 00007fa85725c000 RDI: 0000000000000001

 6869 07:58:50.301444  # [   53.533116] RBP: 00007fa85725c000 R08: 00007fa85725b010 R09: 0000000000000000

 6870 07:58:50.311136  # [   53.547301] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6871 07:58:50.318022  # [   53.555273] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6872 07:58:50.321252  # [   53.569459] irq event stamp: 0

 6873 07:58:50.331481  # [   53.572892] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6874 07:58:50.340986  # [   53.586102] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6875 07:58:50.347447  # [   53.595241] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6876 07:58:50.357628  # [   53.604376] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6877 07:58:50.360598  # [   53.611376] ---[ end trace b9cc279d67662ab9 ]---

 6878 07:58:50.367039  # [   53.616532] lkdtm: Saturation detected: still saturated

 6879 07:58:50.373910  # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok

 6880 07:58:50.380335  ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 6881 07:58:50.386890  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 6882 07:58:50.393664  # [   53.740786] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 6883 07:58:50.399974  # [   53.754405] lkdtm: attempting bad refcount_dec_and_test() from saturated

 6884 07:58:50.406637  # [   53.768105] ------------[ cut here ]------------

 6885 07:58:50.413200  # [   53.779471] refcount_t: underflow; use-after-free.

 6886 07:58:50.423142  # [   53.784851] WARNING: CPU: 1 PID: 2481 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6887 07:58:50.469329  # [   53.800472] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6888 07:58:50.479139  # [   53.852367] CPU: 1 PID: 2481 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6889 07:58:50.485926  # [   53.867208] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6890 07:58:50.492072  # [   53.880231] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6891 07:58:50.515287  # [   53.892280] Code: 01 01 e8 b6 a0 98 00 0f 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 9f c6 05 cc 0a 94 01 01 e8 93 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d b7 0a 94 01 00 0f 85 5e ff ff ff 48 c7

 6892 07:58:50.521584  # [   53.919478] RSP: 0018:ffff9b2f42ff7e40 EFLAGS: 00010286

 6893 07:58:50.528424  # [   53.931530] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 6894 07:58:50.538458  # [   53.939503] RDX: ffff8ae6facac660 RSI: ffff8ae6fac9bf70 RDI: ffff8ae6fac9bf70

 6895 07:58:50.544629  # [   53.953684] RBP: ffffffff9f6cec60 R08: 0000000000000000 R09: 0000000000000000

 6896 07:58:50.554756  # [   53.967873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6897 07:58:50.561036  # [   53.982062] R13: ffff9b2f42ff7f10 R14: ffff9b2f42ff7f10 R15: ffff8ae682a91000

 6898 07:58:50.571087  # [   53.996253] FS:  00007fccc84f7580(0000) GS:ffff8ae6fac80000(0000) knlGS:0000000000000000

 6899 07:58:50.577592  # [   54.011512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6900 07:58:50.587464  # [   54.024148] CR2: 00007fccc8300000 CR3: 0000000105f8e002 CR4: 00000000003706e0

 6901 07:58:50.590544  # [   54.038338] Call Trace:

 6902 07:58:50.597158  # [   54.047288]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6903 07:58:50.604113  # [   54.059632]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 6904 07:58:50.607523  # [   54.072173]  direct_entry.cold+0x2c/0x38

 6905 07:58:50.614003  # [   54.082770]  full_proxy_write+0x53/0x80

 6906 07:58:50.617131  # [   54.093267]  vfs_write+0xe7/0x3b0

 6907 07:58:50.620282  # [   54.103182]  ksys_write+0x68/0xf0

 6908 07:58:50.626771  # [   54.113097]  do_syscall_64+0x30/0x40

 6909 07:58:50.630091  # [   54.123306]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6910 07:58:50.636604  # [   54.135162] RIP: 0033:0x7fccc840d833

 6911 07:58:50.656809  # [   54.145369] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6912 07:58:50.666303  # [   54.172570] RSP: 002b:00007ffc34bc8538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6913 07:58:50.676089  # [   54.187244] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fccc840d833

 6914 07:58:50.682940  # [   54.195220] RDX: 0000000000000020 RSI: 00007fccc8300000 RDI: 0000000000000001

 6915 07:58:50.692957  # [   54.209401] RBP: 00007fccc8300000 R08: 00007fccc82ff010 R09: 0000000000000000

 6916 07:58:50.699469  # [   54.223589] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6917 07:58:50.709323  # [   54.231564] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6918 07:58:50.712898  # [   54.245751] irq event stamp: 0

 6919 07:58:50.719194  # [   54.255371] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6920 07:58:50.728930  # [   54.268591] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6921 07:58:50.738896  # [   54.283944] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6922 07:58:50.748639  # [   54.293084] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6923 07:58:50.751943  # [   54.306295] ---[ end trace b9cc279d67662aba ]---

 6924 07:58:50.758482  # [   54.317667] lkdtm: Saturation detected: still saturated

 6925 07:58:50.768411  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 6926 07:58:50.775178  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 6927 07:58:50.778605  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 6928 07:58:50.788502  # [   54.462409] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 6929 07:58:50.794883  # [   54.474185] lkdtm: attempting bad refcount_sub_and_test() from saturated

 6930 07:58:50.801610  # [   54.487892] ------------[ cut here ]------------

 6931 07:58:50.807965  # [   54.499268] refcount_t: underflow; use-after-free.

 6932 07:58:50.817955  # [   54.510834] WARNING: CPU: 0 PID: 2516 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6933 07:58:50.864155  # [   54.526521] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger cros_ec_sysfs uvcvideo cros_ec_sensorhub videobuf2_vmalloc cros_ec_chardev videobuf2_memops cros_ec_debugfs videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6934 07:58:50.874084  # [   54.578345] CPU: 0 PID: 2516 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 6935 07:58:50.880346  # [   54.593280] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6936 07:58:50.886921  # [   54.606249] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6937 07:58:50.910210  # [   54.618343] Code: 01 01 e8 b6 a0 98 00 0f 0b c3 cc cc cc cc 80 3d dc 0a 94 01 00 75 85 48 c7 c7 40 90 66 9f c6 05 cc 0a 94 01 01 e8 93 a0 98 00 <0f> 0b c3 cc cc cc cc 80 3d b7 0a 94 01 00 0f 85 5e ff ff ff 48 c7

 6938 07:58:50.916647  # [   54.645504] RSP: 0018:ffff9b2f4306fe40 EFLAGS: 00010286

 6939 07:58:50.922997  # [   54.657592] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 6940 07:58:50.932842  # [   54.671755] RDX: ffff8ae6fac2c660 RSI: ffff8ae6fac1bf70 RDI: ffff8ae6fac1bf70

 6941 07:58:50.939506  # [   54.685968] RBP: ffffffff9f6cec80 R08: 0000000000000000 R09: 0000000000000000

 6942 07:58:50.948948  # [   54.700139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6943 07:58:50.955919  # [   54.714354] R13: ffff9b2f4306ff10 R14: ffff9b2f4306ff10 R15: ffff8ae68359f000

 6944 07:58:50.966009  # [   54.728529] FS:  00007f7c9fea2580(0000) GS:ffff8ae6fac00000(0000) knlGS:0000000000000000

 6945 07:58:50.972096  # [   54.743811] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6946 07:58:50.982298  # [   54.756424] CR2: 00007f7c9fcab000 CR3: 0000000105702002 CR4: 00000000003706f0

 6947 07:58:50.985717  # [   54.770642] Call Trace:

 6948 07:58:50.992480  # [   54.779567]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6949 07:58:50.998338  # [   54.791947]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 6950 07:58:51.001851  # [   54.804449]  direct_entry.cold+0x2c/0x38

 6951 07:58:51.008524  # [   54.815056]  full_proxy_write+0x53/0x80

 6952 07:58:51.011659  # [   54.825547]  vfs_write+0xe7/0x3b0

 6953 07:58:51.014803  # [   54.835464]  ksys_write+0x68/0xf0

 6954 07:58:51.018561  # [   54.845381]  do_syscall_64+0x30/0x40

 6955 07:58:51.024604  # [   54.855604]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6956 07:58:51.031871  # [   54.867451] RIP: 0033:0x7f7c9fdb8833

 6957 07:58:51.051571  # [   54.877679] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6958 07:58:51.061036  # [   54.904858] RSP: 002b:00007ffc75ac4918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6959 07:58:51.071012  # [   54.919579] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7c9fdb8833

 6960 07:58:51.077491  # [   54.933724] RDX: 0000000000000020 RSI: 00007f7c9fcab000 RDI: 0000000000000001

 6961 07:58:51.087412  # [   54.947935] RBP: 00007f7c9fcab000 R08: 00007f7c9fcaa010 R09: 0000000000000000

 6962 07:58:51.094002  # [   54.962109] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6963 07:58:51.104238  # [   54.976324] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6964 07:58:51.107174  # [   54.990495] irq event stamp: 0

 6965 07:58:51.114149  # [   55.000154] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6966 07:58:51.123944  # [   55.013357] hardirqs last disabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6967 07:58:51.133449  # [   55.028695] softirqs last  enabled at (0): [<ffffffff9dcff5e4>] copy_process+0x664/0x1cb0

 6968 07:58:51.139923  # [   55.044042] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6969 07:58:51.146615  # [   55.057244] ---[ end trace b9cc279d67662abb ]---

 6970 07:58:51.153038  # [   55.062432] lkdtm: Saturation detected: still saturated

 6971 07:58:51.163267  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 6972 07:58:51.166497  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 6973 07:58:51.173056  # selftests: lkdtm: REFCOUNT_TIMING.sh

 6974 07:58:51.176310  # Skipping REFCOUNT_TIMING: timing only

 6975 07:58:51.182968  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 6976 07:58:51.186342  # selftests: lkdtm: ATOMIC_TIMING.sh

 6977 07:58:51.189419  # Skipping ATOMIC_TIMING: timing only

 6978 07:58:51.192721  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 6979 07:58:51.199260  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 6980 07:58:51.205540  # [   55.248056] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 6981 07:58:51.212176  # [   55.255329] lkdtm: attempting good copy_to_user of correct size

 6982 07:58:51.218942  # [   55.268191] lkdtm: attempting bad copy_to_user of too large size

 6983 07:58:51.225397  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 6984 07:58:51.231951  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 6985 07:58:51.238523  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 6986 07:58:51.245252  # [   55.400951] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 6987 07:58:51.251665  # [   55.412399] lkdtm: attempting good copy_from_user of correct size

 6988 07:58:51.258488  # [   55.425444] lkdtm: attempting bad copy_from_user of too large size

 6989 07:58:51.264816  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 6990 07:58:51.271604  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 6991 07:58:51.278372  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 6992 07:58:51.284547  # [   55.601282] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 6993 07:58:51.290987  # [   55.613546] lkdtm: attempting good copy_to_user inside whitelist

 6994 07:58:51.297512  # [   55.620274] lkdtm: attempting bad copy_to_user outside whitelist

 6995 07:58:51.304184  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 6996 07:58:51.311656  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 6997 07:58:51.317997  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 6998 07:58:51.324062  # [   55.747230] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 6999 07:58:51.330555  # [   55.758765] lkdtm: attempting good copy_from_user inside whitelist

 7000 07:58:51.341334  # [   55.771912] lkdtm: attempting bad copy_from_user outside whitelist

 7001 07:58:51.347608  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 7002 07:58:51.354101  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 7003 07:58:51.356851  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 7004 07:58:51.363389  # [   55.902409] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7005 07:58:51.373436  # [   55.910151] lkdtm: good_stack: ffff9b2f433ffe20-ffff9b2f433ffe40

 7006 07:58:51.380378  # [   55.923078] lkdtm: bad_stack : ffff9b2f433ffda8-ffff9b2f433ffdc8

 7007 07:58:51.386755  # [   55.936084] lkdtm: attempting good copy_to_user of local stack

 7008 07:58:51.392939  # [   55.948848] lkdtm: attempting bad copy_to_user of distant stack

 7009 07:58:51.400316  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 7010 07:58:51.406484  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 7011 07:58:51.409641  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 7012 07:58:51.416395  # [   56.081914] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7013 07:58:51.426241  # [   56.093182] lkdtm: good_stack: ffff9b2f434bfe20-ffff9b2f434bfe40

 7014 07:58:51.432651  # [   56.106123] lkdtm: bad_stack : ffff9b2f434bfda8-ffff9b2f434bfdc8

 7015 07:58:51.440020  # [   56.119056] lkdtm: attempting good copy_from_user of local stack

 7016 07:58:51.446829  # [   56.131991] lkdtm: attempting bad copy_from_user of distant stack

 7017 07:58:51.453007  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 7018 07:58:51.459786  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 7019 07:58:51.463053  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 7020 07:58:51.469516  # [   56.260341] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7021 07:58:51.476070  # [   56.269805] lkdtm: good_stack: ffff9b2f43537e20-ffff9b2f43537e40

 7022 07:58:51.482494  # [   56.282739] lkdtm: bad_stack : ffff9b2f43537ff8-ffff9b2f43538018

 7023 07:58:51.489531  # [   56.295740] lkdtm: attempting good copy_to_user of local stack

 7024 07:58:51.496473  # [   56.308506] lkdtm: attempting bad copy_to_user of distant stack

 7025 07:58:51.502210  # [   56.321347] lkdtm: copy_to_user failed, but lacked Oops

 7026 07:58:51.509524  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 7027 07:58:51.515580  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 7028 07:58:51.518972  # selftests: lkdtm: USERCOPY_KERNEL.sh

 7029 07:58:51.525819  # [   56.453315] lkdtm: Performing direct entry USERCOPY_KERNEL

 7030 07:58:51.535640  # [   56.463701] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9f2d5f10

 7031 07:58:51.542221  # [   56.472410] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9dee4290

 7032 07:58:51.548499  # [   56.480779] lkdtm: FAIL: survived bad copy_to_user()

 7033 07:58:51.551981  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 7034 07:58:51.559055  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 7035 07:58:51.561808  # selftests: lkdtm: STACKLEAK_ERASING.sh

 7036 07:58:51.568573  # [   56.614221] lkdtm: Performing direct entry STACKLEAK_ERASING

 7037 07:58:51.578487  # [   56.623295] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7038 07:58:51.585587  # [   56.631185] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7039 07:58:51.591384  # [   56.638974] lkdtm: FAIL: the thread stack is NOT properly erased

 7040 07:58:51.601942  # [   56.651898] CPU: 2 PID: 2881 Comm: cat Tainted: G      D W         5.10.173-cip27 #1

 7041 07:58:51.608066  # [   56.660545] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7042 07:58:51.611606  # [   56.667347] Call Trace:

 7043 07:58:51.615209  # [   56.670077]  dump_stack+0x77/0x9b

 7044 07:58:51.621487  # [   56.673774]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7045 07:58:51.625068  # [   56.678928]  direct_entry.cold+0x2c/0x38

 7046 07:58:51.628082  # [   56.683298]  full_proxy_write+0x53/0x80

 7047 07:58:51.634285  # [   56.687579]  vfs_write+0xe7/0x3b0

 7048 07:58:51.637652  # [   56.691276]  ksys_write+0x68/0xf0

 7049 07:58:51.640934  # [   56.694974]  do_syscall_64+0x30/0x40

 7050 07:58:51.647977  # [   56.698963]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7051 07:58:51.651052  # [   56.704602] RIP: 0033:0x7fc68d927833

 7052 07:58:51.670757  # [   56.708582] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7053 07:58:51.680465  # [   56.729562] RSP: 002b:00007ffd4f18d078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7054 07:58:51.690913  # [   56.738015] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc68d927833

 7055 07:58:51.697193  # [   56.745983] RDX: 0000000000000012 RSI: 00007fc68d81a000 RDI: 0000000000000001

 7056 07:58:51.703710  # [   56.753951] RBP: 00007fc68d81a000 R08: 00007fc68d819010 R09: 0000000000000000

 7057 07:58:51.713625  # [   56.761920] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7058 07:58:51.720593  # [   56.769888] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7059 07:58:51.729850  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 7060 07:58:51.736513  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 7061 07:58:51.739804  # selftests: lkdtm: CFI_FORWARD_PROTO.sh

 7062 07:58:51.746840  # [   56.898750] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7063 07:58:51.753293  # [   56.908549] lkdtm: Calling matched prototype ...

 7064 07:58:51.756356  # [   56.919928] lkdtm: Calling mismatched prototype ...

 7065 07:58:51.766478  # [   56.931580] lkdtm: Fail: survived mismatched prototype function call!

 7066 07:58:51.770477  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 7067 07:58:51.776128  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 7068 07:58:52.014328  lkdtm_PANIC_sh skip

 7069 07:58:52.017671  lkdtm_BUG_sh pass

 7070 07:58:52.017774  lkdtm_WARNING_sh pass

 7071 07:58:52.021157  lkdtm_WARNING_MESSAGE_sh pass

 7072 07:58:52.024127  lkdtm_EXCEPTION_sh pass

 7073 07:58:52.027657  lkdtm_LOOP_sh skip

 7074 07:58:52.027747  lkdtm_EXHAUST_STACK_sh skip

 7075 07:58:52.030800  lkdtm_CORRUPT_STACK_sh skip

 7076 07:58:52.034528  lkdtm_CORRUPT_STACK_STRONG_sh skip

 7077 07:58:52.037441  lkdtm_CORRUPT_LIST_ADD_sh fail

 7078 07:58:52.041162  lkdtm_CORRUPT_LIST_DEL_sh fail

 7079 07:58:52.044249  lkdtm_STACK_GUARD_PAGE_LEADING_sh pass

 7080 07:58:52.051128  lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass

 7081 07:58:52.051232  lkdtm_UNSET_SMEP_sh pass

 7082 07:58:52.054909  lkdtm_DOUBLE_FAULT_sh skip

 7083 07:58:52.057431  lkdtm_CORRUPT_PAC_sh skip

 7084 07:58:52.061042  lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip

 7085 07:58:52.064231  lkdtm_OVERWRITE_ALLOCATION_sh skip

 7086 07:58:52.067440  lkdtm_WRITE_AFTER_FREE_sh skip

 7087 07:58:52.070743  lkdtm_READ_AFTER_FREE_sh fail

 7088 07:58:52.073927  lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip

 7089 07:58:52.077083  lkdtm_READ_BUDDY_AFTER_FREE_sh fail

 7090 07:58:52.080309  lkdtm_SLAB_FREE_DOUBLE_sh fail

 7091 07:58:52.083945  lkdtm_SLAB_FREE_CROSS_sh fail

 7092 07:58:52.087031  lkdtm_SLAB_FREE_PAGE_sh fail

 7093 07:58:52.090244  lkdtm_SOFTLOCKUP_sh skip

 7094 07:58:52.093757  lkdtm_HARDLOCKUP_sh skip

 7095 07:58:52.093846  lkdtm_SPINLOCKUP_sh skip

 7096 07:58:52.096951  lkdtm_HUNG_TASK_sh skip

 7097 07:58:52.100437  lkdtm_EXEC_DATA_sh pass

 7098 07:58:52.104287  lkdtm_EXEC_STACK_sh pass

 7099 07:58:52.104443  lkdtm_EXEC_KMALLOC_sh pass

 7100 07:58:52.107546  lkdtm_EXEC_VMALLOC_sh pass

 7101 07:58:52.110772  lkdtm_EXEC_RODATA_sh pass

 7102 07:58:52.113752  lkdtm_EXEC_USERSPACE_sh pass

 7103 07:58:52.116835  lkdtm_EXEC_NULL_sh pass

 7104 07:58:52.120279  lkdtm_ACCESS_USERSPACE_sh pass

 7105 07:58:52.120367  lkdtm_ACCESS_NULL_sh pass

 7106 07:58:52.123756  lkdtm_WRITE_RO_sh pass

 7107 07:58:52.126629  lkdtm_WRITE_RO_AFTER_INIT_sh pass

 7108 07:58:52.130028  lkdtm_WRITE_KERN_sh pass

 7109 07:58:52.133246  lkdtm_REFCOUNT_INC_OVERFLOW_sh pass

 7110 07:58:52.136556  lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass

 7111 07:58:52.139851  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass

 7112 07:58:52.146367  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass

 7113 07:58:52.149938  lkdtm_REFCOUNT_DEC_ZERO_sh pass

 7114 07:58:52.152891  lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass

 7115 07:58:52.156483  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass

 7116 07:58:52.163149  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass

 7117 07:58:52.166359  lkdtm_REFCOUNT_INC_ZERO_sh pass

 7118 07:58:52.169605  lkdtm_REFCOUNT_ADD_ZERO_sh pass

 7119 07:58:52.173028  lkdtm_REFCOUNT_INC_SATURATED_sh pass

 7120 07:58:52.176187  lkdtm_REFCOUNT_DEC_SATURATED_sh pass

 7121 07:58:52.179649  lkdtm_REFCOUNT_ADD_SATURATED_sh pass

 7122 07:58:52.182793  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass

 7123 07:58:52.189569  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass

 7124 07:58:52.192648  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass

 7125 07:58:52.195878  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass

 7126 07:58:52.199068  lkdtm_REFCOUNT_TIMING_sh skip

 7127 07:58:52.202746  lkdtm_ATOMIC_TIMING_sh skip

 7128 07:58:52.205728  lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail

 7129 07:58:52.208886  lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail

 7130 07:58:52.215771  lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail

 7131 07:58:52.219063  lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail

 7132 07:58:52.222161  lkdtm_USERCOPY_STACK_FRAME_TO_sh fail

 7133 07:58:52.225465  lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail

 7134 07:58:52.228804  lkdtm_USERCOPY_STACK_BEYOND_sh fail

 7135 07:58:52.232079  lkdtm_USERCOPY_KERNEL_sh fail

 7136 07:58:52.235282  lkdtm_STACKLEAK_ERASING_sh fail

 7137 07:58:52.238849  lkdtm_CFI_FORWARD_PROTO_sh fail

 7138 07:58:52.245556  + ../../utils/send-to-lava.sh ./output/result.txt

 7139 07:58:52.251854  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=breakpoints:step_after_suspend_test RESULT=skip>

 7140 07:58:52.252131  Received signal: <TESTCASE> TEST_CASE_ID=breakpoints:step_after_suspend_test RESULT=skip
 7142 07:58:52.258351  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=net:rtnetlink.sh RESULT=skip>

 7143 07:58:52.258625  Received signal: <TESTCASE> TEST_CASE_ID=net:rtnetlink.sh RESULT=skip
 7145 07:58:52.265088  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=net:tls RESULT=skip>

 7146 07:58:52.265345  Received signal: <TESTCASE> TEST_CASE_ID=net:tls RESULT=skip
 7148 07:58:52.271800  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=netfilter:bridge_brouter.sh RESULT=skip>

 7149 07:58:52.272076  Received signal: <TESTCASE> TEST_CASE_ID=netfilter:bridge_brouter.sh RESULT=skip
 7151 07:58:52.278646  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=netfilter:nft_flowtable.sh RESULT=skip>

 7152 07:58:52.278906  Received signal: <TESTCASE> TEST_CASE_ID=netfilter:nft_flowtable.sh RESULT=skip
 7154 07:58:52.288693  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=netfilter:nft_trans_stress.sh RESULT=skip>

 7155 07:58:52.288966  Received signal: <TESTCASE> TEST_CASE_ID=netfilter:nft_trans_stress.sh RESULT=skip
 7157 07:58:52.295132  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=pidfd:pidfd_wait RESULT=skip>

 7158 07:58:52.295438  Received signal: <TESTCASE> TEST_CASE_ID=pidfd:pidfd_wait RESULT=skip
 7160 07:58:52.298708  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip
 7162 07:58:52.301556  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip>

 7163 07:58:52.305226  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass>

 7164 07:58:52.305486  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass
 7166 07:58:52.311211  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass>

 7167 07:58:52.311471  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass
 7169 07:58:52.318240  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass>

 7170 07:58:52.318504  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass
 7172 07:58:52.325180  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass>

 7173 07:58:52.325445  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass
 7175 07:58:52.331361  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip>

 7176 07:58:52.331625  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip
 7178 07:58:52.337650  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip>

 7179 07:58:52.337912  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip
 7181 07:58:52.347331  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip>

 7182 07:58:52.347595  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip
 7184 07:58:52.371131  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip>

 7185 07:58:52.371418  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip
 7187 07:58:52.398891  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail>

 7188 07:58:52.399185  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail
 7190 07:58:52.425320  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail>

 7191 07:58:52.425608  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail
 7193 07:58:52.451138  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass>

 7194 07:58:52.451435  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass
 7196 07:58:52.475852  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass>

 7197 07:58:52.476136  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass
 7199 07:58:52.497025  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass
 7201 07:58:52.499734  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass>

 7202 07:58:52.524496  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip>

 7203 07:58:52.524792  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip
 7205 07:58:52.545597  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip
 7207 07:58:52.548704  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip>

 7208 07:58:52.573348  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip>

 7209 07:58:52.573647  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip
 7211 07:58:52.597769  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip>

 7212 07:58:52.598054  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip
 7214 07:58:52.624714  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip>

 7215 07:58:52.625026  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip
 7217 07:58:52.649665  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail>

 7218 07:58:52.649956  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail
 7220 07:58:52.674539  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip>

 7221 07:58:52.674870  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip
 7223 07:58:52.699205  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail>

 7224 07:58:52.699498  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail
 7226 07:58:52.723639  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail>

 7227 07:58:52.723935  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail
 7229 07:58:52.746840  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail>

 7230 07:58:52.747135  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail
 7232 07:58:52.769773  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail>

 7233 07:58:52.770061  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail
 7235 07:58:52.791885  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip
 7237 07:58:52.795060  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip>

 7238 07:58:52.815728  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip
 7240 07:58:52.818475  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip>

 7241 07:58:52.839652  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip
 7243 07:58:52.842497  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip>

 7244 07:58:52.864139  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip
 7246 07:58:52.867564  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip>

 7247 07:58:52.888918  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass>

 7248 07:58:52.889219  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass
 7250 07:58:52.913739  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass
 7252 07:58:52.916763  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass>

 7253 07:58:52.940918  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass>

 7254 07:58:52.941213  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass
 7256 07:58:52.966744  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass>

 7257 07:58:52.967038  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass
 7259 07:58:52.988529  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass
 7261 07:58:52.991464  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass>

 7262 07:58:53.017399  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass>

 7263 07:58:53.017696  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass
 7265 07:58:53.039762  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass>

 7266 07:58:53.040066  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass
 7268 07:58:53.070231  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=pass>

 7269 07:58:53.070555  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=pass
 7271 07:58:53.093760  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass
 7273 07:58:53.096551  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass>

 7274 07:58:53.116313  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass>

 7275 07:58:53.116590  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass
 7277 07:58:53.143549  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass>

 7278 07:58:53.143859  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass
 7280 07:58:53.165127  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass
 7282 07:58:53.167881  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass>

 7283 07:58:53.191169  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass>

 7284 07:58:53.191458  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass
 7286 07:58:53.216805  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass>

 7287 07:58:53.217094  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass
 7289 07:58:53.242233  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7290 07:58:53.242543  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7292 07:58:53.265284  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7293 07:58:53.265574  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7295 07:58:53.288492  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass>

 7296 07:58:53.288786  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass
 7298 07:58:53.312651  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass>

 7299 07:58:53.312956  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass
 7301 07:58:53.336693  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass>

 7302 07:58:53.337014  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass
 7304 07:58:53.360698  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass>

 7305 07:58:53.360999  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass
 7307 07:58:53.384380  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass>

 7308 07:58:53.384660  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass
 7310 07:58:53.407809  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass>

 7311 07:58:53.408114  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass
 7313 07:58:53.431536  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass>

 7314 07:58:53.431843  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass
 7316 07:58:53.456259  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass>

 7317 07:58:53.456569  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass
 7319 07:58:53.479769  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass>

 7320 07:58:53.480066  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass
 7322 07:58:53.504844  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass>

 7323 07:58:53.505147  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass
 7325 07:58:53.529935  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass>

 7326 07:58:53.530234  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass
 7328 07:58:53.554996  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass>

 7329 07:58:53.555306  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass
 7331 07:58:53.579688  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass>

 7332 07:58:53.580003  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass
 7334 07:58:53.603218  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip>

 7335 07:58:53.603497  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip
 7337 07:58:53.627739  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip>

 7338 07:58:53.628034  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip
 7340 07:58:53.651446  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail>

 7341 07:58:53.651739  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail
 7343 07:58:53.675079  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail>

 7344 07:58:53.675405  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail
 7346 07:58:53.698379  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail>

 7347 07:58:53.698662  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail
 7349 07:58:53.723324  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail>

 7350 07:58:53.723634  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail
 7352 07:58:53.751478  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail>

 7353 07:58:53.751781  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail
 7355 07:58:53.778050  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail>

 7356 07:58:53.778344  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail
 7358 07:58:53.803382  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail>

 7359 07:58:53.803680  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail
 7361 07:58:53.829572  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail>

 7362 07:58:53.829863  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail
 7364 07:58:53.855418  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail>

 7365 07:58:53.855710  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail
 7367 07:58:53.880542  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail>

 7368 07:58:53.880656  + set +x

 7369 07:58:53.880901  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail
 7371 07:58:53.887216  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 9568396_1.5.2.3.5>

 7372 07:58:53.887309  <LAVA_TEST_RUNNER EXIT>

 7373 07:58:53.887551  Received signal: <ENDRUN> 1_kselftest-lkdtm 9568396_1.5.2.3.5
 7374 07:58:53.887633  Ending use of test pattern.
 7375 07:58:53.887728  Ending test lava.1_kselftest-lkdtm (9568396_1.5.2.3.5), duration 44.98
 7377 07:58:53.888035  ok: lava_test_shell seems to have completed
 7378 07:58:53.888496  breakpoints:step_after_suspend_test: skip
lkdtm_ACCESS_NULL_sh: pass
lkdtm_ACCESS_USERSPACE_sh: pass
lkdtm_ATOMIC_TIMING_sh: skip
lkdtm_BUG_sh: pass
lkdtm_CFI_FORWARD_PROTO_sh: fail
lkdtm_CORRUPT_LIST_ADD_sh: fail
lkdtm_CORRUPT_LIST_DEL_sh: fail
lkdtm_CORRUPT_PAC_sh: skip
lkdtm_CORRUPT_STACK_STRONG_sh: skip
lkdtm_CORRUPT_STACK_sh: skip
lkdtm_DOUBLE_FAULT_sh: skip
lkdtm_EXCEPTION_sh: pass
lkdtm_EXEC_DATA_sh: pass
lkdtm_EXEC_KMALLOC_sh: pass
lkdtm_EXEC_NULL_sh: pass
lkdtm_EXEC_RODATA_sh: pass
lkdtm_EXEC_STACK_sh: pass
lkdtm_EXEC_USERSPACE_sh: pass
lkdtm_EXEC_VMALLOC_sh: pass
lkdtm_EXHAUST_STACK_sh: skip
lkdtm_HARDLOCKUP_sh: skip
lkdtm_HUNG_TASK_sh: skip
lkdtm_LOOP_sh: skip
lkdtm_OVERWRITE_ALLOCATION_sh: skip
lkdtm_PANIC_sh: skip
lkdtm_READ_AFTER_FREE_sh: fail
lkdtm_READ_BUDDY_AFTER_FREE_sh: fail
lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh: pass
lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_OVERFLOW_sh: pass
lkdtm_REFCOUNT_ADD_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_ZERO_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_ZERO_sh: pass
lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh: pass
lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_OVERFLOW_sh: pass
lkdtm_REFCOUNT_INC_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_ZERO_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_TIMING_sh: skip
lkdtm_SLAB_FREE_CROSS_sh: fail
lkdtm_SLAB_FREE_DOUBLE_sh: fail
lkdtm_SLAB_FREE_PAGE_sh: fail
lkdtm_SOFTLOCKUP_sh: skip
lkdtm_SPINLOCKUP_sh: skip
lkdtm_STACKLEAK_ERASING_sh: fail
lkdtm_STACK_GUARD_PAGE_LEADING_sh: pass
lkdtm_STACK_GUARD_PAGE_TRAILING_sh: pass
lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh: skip
lkdtm_UNSET_SMEP_sh: pass
lkdtm_USERCOPY_HEAP_SIZE_FROM_sh: fail
lkdtm_USERCOPY_HEAP_SIZE_TO_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh: fail
lkdtm_USERCOPY_KERNEL_sh: fail
lkdtm_USERCOPY_STACK_BEYOND_sh: fail
lkdtm_USERCOPY_STACK_FRAME_FROM_sh: fail
lkdtm_USERCOPY_STACK_FRAME_TO_sh: fail
lkdtm_WARNING_MESSAGE_sh: pass
lkdtm_WARNING_sh: pass
lkdtm_WRITE_AFTER_FREE_sh: skip
lkdtm_WRITE_BUDDY_AFTER_FREE_sh: skip
lkdtm_WRITE_KERN_sh: pass
lkdtm_WRITE_RO_AFTER_INIT_sh: pass
lkdtm_WRITE_RO_sh: pass
net:rtnetlink.sh: skip
net:tls: skip
netfilter:bridge_brouter.sh: skip
netfilter:nft_flowtable.sh: skip
netfilter:nft_trans_stress.sh: skip
pidfd:pidfd_wait: skip

 7379 07:58:53.888683  end: 3.1 lava-test-shell (duration 00:00:46) [common]
 7380 07:58:53.888776  end: 3 lava-test-retry (duration 00:00:46) [common]
 7381 07:58:53.888869  start: 4 finalize (timeout 00:08:01) [common]
 7382 07:58:53.888962  start: 4.1 power-off (timeout 00:00:30) [common]
 7383 07:58:53.889106  Calling: 'nice' 'pduclient' '--daemon=localhost' '--hostname=asus-C433TA-AJ0005-rammus-cbg-2' '--port=1' '--command=off'
 7384 07:58:53.963518  >> Command sent successfully.

 7385 07:58:53.965686  Returned 0 in 0 seconds
 7386 07:58:54.066464  end: 4.1 power-off (duration 00:00:00) [common]
 7388 07:58:54.066815  start: 4.2 read-feedback (timeout 00:08:01) [common]
 7389 07:58:54.067059  Listened to connection for namespace 'common' for up to 1s
 7390 07:58:54.067384  Listened to connection for namespace 'common' for up to 1s
 7391 07:58:55.070586  Finalising connection for namespace 'common'
 7392 07:58:55.070798  Disconnecting from shell: Finalise
 7393 07:58:55.070920  / # 
 7394 07:58:55.171707  end: 4.2 read-feedback (duration 00:00:01) [common]
 7395 07:58:55.171926  end: 4 finalize (duration 00:00:01) [common]
 7396 07:58:55.172086  Cleaning after the job
 7397 07:58:55.172230  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/9568396/tftp-deploy-idv8fnkn/ramdisk
 7398 07:58:55.173482  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/9568396/tftp-deploy-idv8fnkn/kernel
 7399 07:58:55.175057  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/9568396/tftp-deploy-idv8fnkn/nfsrootfs
 7400 07:58:55.222510  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/9568396/tftp-deploy-idv8fnkn/modules
 7401 07:58:55.224116  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/9568396
 7402 07:58:55.405717  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/9568396
 7403 07:58:55.405889  Job finished correctly