Boot log: asus-C433TA-AJ0005-rammus

    1 13:51:20.893595  lava-dispatcher, installed at version: 2024.05
    2 13:51:20.893815  start: 0 validate
    3 13:51:20.893961  Start time: 2024-07-18 13:51:20.893954+00:00 (UTC)
    4 13:51:20.894128  Using caching service: 'http://localhost/cache/?uri=%s'
    5 13:51:20.894321  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbookworm-kselftest%2F20240313.0%2Famd64%2Finitrd.cpio.gz exists
    6 13:51:21.168289  Using caching service: 'http://localhost/cache/?uri=%s'
    7 13:51:21.168456  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.221-cip50-141-g11050ba0789ee%2Fx86_64%2Fx86_64_defconfig%2Bx86-board%2Bkselftest%2Fgcc-12%2Fkernel%2FbzImage exists
    8 13:51:21.425628  Using caching service: 'http://localhost/cache/?uri=%s'
    9 13:51:21.425804  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbookworm-kselftest%2F20240313.0%2Famd64%2Ffull.rootfs.tar.xz exists
   10 13:51:21.681858  Using caching service: 'http://localhost/cache/?uri=%s'
   11 13:51:21.682041  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.221-cip50-141-g11050ba0789ee%2Fx86_64%2Fx86_64_defconfig%2Bx86-board%2Bkselftest%2Fgcc-12%2Fmodules.tar.xz exists
   12 13:51:21.940414  validate duration: 1.05
   14 13:51:21.940663  start: 1 tftp-deploy (timeout 00:10:00) [common]
   15 13:51:21.940756  start: 1.1 download-retry (timeout 00:10:00) [common]
   16 13:51:21.940834  start: 1.1.1 http-download (timeout 00:10:00) [common]
   17 13:51:21.940987  Not decompressing ramdisk as can be used compressed.
   18 13:51:21.941065  downloading http://storage.kernelci.org/images/rootfs/debian/bookworm-kselftest/20240313.0/amd64/initrd.cpio.gz
   19 13:51:21.941165  saving as /var/lib/lava/dispatcher/tmp/14880252/tftp-deploy-tf0zlnuc/ramdisk/initrd.cpio.gz
   20 13:51:21.941248  total size: 6137757 (5 MB)
   21 13:51:21.942213  progress   0 % (0 MB)
   22 13:51:21.944256  progress   5 % (0 MB)
   23 13:51:21.945901  progress  10 % (0 MB)
   24 13:51:21.947559  progress  15 % (0 MB)
   25 13:51:21.949219  progress  20 % (1 MB)
   26 13:51:21.951067  progress  25 % (1 MB)
   27 13:51:21.953300  progress  30 % (1 MB)
   28 13:51:21.954831  progress  35 % (2 MB)
   29 13:51:21.956378  progress  40 % (2 MB)
   30 13:51:21.958828  progress  45 % (2 MB)
   31 13:51:21.960443  progress  50 % (2 MB)
   32 13:51:21.962156  progress  55 % (3 MB)
   33 13:51:21.963911  progress  60 % (3 MB)
   34 13:51:21.965708  progress  65 % (3 MB)
   35 13:51:21.967630  progress  70 % (4 MB)
   36 13:51:21.969206  progress  75 % (4 MB)
   37 13:51:21.970705  progress  80 % (4 MB)
   38 13:51:21.972537  progress  85 % (5 MB)
   39 13:51:21.974247  progress  90 % (5 MB)
   40 13:51:21.975802  progress  95 % (5 MB)
   41 13:51:21.977606  progress 100 % (5 MB)
   42 13:51:21.977769  5 MB downloaded in 0.04 s (160.30 MB/s)
   43 13:51:21.977957  end: 1.1.1 http-download (duration 00:00:00) [common]
   45 13:51:21.978296  end: 1.1 download-retry (duration 00:00:00) [common]
   46 13:51:21.978400  start: 1.2 download-retry (timeout 00:10:00) [common]
   47 13:51:21.978502  start: 1.2.1 http-download (timeout 00:10:00) [common]
   48 13:51:21.978666  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.221-cip50-141-g11050ba0789ee/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-12/kernel/bzImage
   49 13:51:21.978751  saving as /var/lib/lava/dispatcher/tmp/14880252/tftp-deploy-tf0zlnuc/kernel/bzImage
   50 13:51:21.978829  total size: 22740064 (21 MB)
   51 13:51:21.978907  No compression specified
   52 13:51:21.980442  progress   0 % (0 MB)
   53 13:51:21.986111  progress   5 % (1 MB)
   54 13:51:21.991732  progress  10 % (2 MB)
   55 13:51:21.997421  progress  15 % (3 MB)
   56 13:51:22.002929  progress  20 % (4 MB)
   57 13:51:22.008507  progress  25 % (5 MB)
   58 13:51:22.014089  progress  30 % (6 MB)
   59 13:51:22.019526  progress  35 % (7 MB)
   60 13:51:22.025211  progress  40 % (8 MB)
   61 13:51:22.030761  progress  45 % (9 MB)
   62 13:51:22.036148  progress  50 % (10 MB)
   63 13:51:22.041953  progress  55 % (11 MB)
   64 13:51:22.047493  progress  60 % (13 MB)
   65 13:51:22.053111  progress  65 % (14 MB)
   66 13:51:22.058542  progress  70 % (15 MB)
   67 13:51:22.064041  progress  75 % (16 MB)
   68 13:51:22.069589  progress  80 % (17 MB)
   69 13:51:22.074996  progress  85 % (18 MB)
   70 13:51:22.080823  progress  90 % (19 MB)
   71 13:51:22.086478  progress  95 % (20 MB)
   72 13:51:22.091937  progress 100 % (21 MB)
   73 13:51:22.092169  21 MB downloaded in 0.11 s (191.34 MB/s)
   74 13:51:22.092310  end: 1.2.1 http-download (duration 00:00:00) [common]
   76 13:51:22.092514  end: 1.2 download-retry (duration 00:00:00) [common]
   77 13:51:22.092592  start: 1.3 download-retry (timeout 00:10:00) [common]
   78 13:51:22.092665  start: 1.3.1 http-download (timeout 00:10:00) [common]
   79 13:51:22.092791  downloading http://storage.kernelci.org/images/rootfs/debian/bookworm-kselftest/20240313.0/amd64/full.rootfs.tar.xz
   80 13:51:22.092850  saving as /var/lib/lava/dispatcher/tmp/14880252/tftp-deploy-tf0zlnuc/nfsrootfs/full.rootfs.tar
   81 13:51:22.092901  total size: 125951368 (120 MB)
   82 13:51:22.092953  Using unxz to decompress xz
   83 13:51:22.094396  progress   0 % (0 MB)
   84 13:51:22.432979  progress   5 % (6 MB)
   85 13:51:22.763322  progress  10 % (12 MB)
   86 13:51:23.112695  progress  15 % (18 MB)
   87 13:51:23.449256  progress  20 % (24 MB)
   88 13:51:23.763812  progress  25 % (30 MB)
   89 13:51:24.119024  progress  30 % (36 MB)
   90 13:51:24.440597  progress  35 % (42 MB)
   91 13:51:24.607539  progress  40 % (48 MB)
   92 13:51:24.812167  progress  45 % (54 MB)
   93 13:51:25.143492  progress  50 % (60 MB)
   94 13:51:25.493903  progress  55 % (66 MB)
   95 13:51:25.832890  progress  60 % (72 MB)
   96 13:51:26.175846  progress  65 % (78 MB)
   97 13:51:26.529081  progress  70 % (84 MB)
   98 13:51:26.879831  progress  75 % (90 MB)
   99 13:51:27.217496  progress  80 % (96 MB)
  100 13:51:27.577168  progress  85 % (102 MB)
  101 13:51:27.934197  progress  90 % (108 MB)
  102 13:51:28.278951  progress  95 % (114 MB)
  103 13:51:28.648289  progress 100 % (120 MB)
  104 13:51:28.654640  120 MB downloaded in 6.56 s (18.31 MB/s)
  105 13:51:28.654921  end: 1.3.1 http-download (duration 00:00:07) [common]
  107 13:51:28.655351  end: 1.3 download-retry (duration 00:00:07) [common]
  108 13:51:28.655534  start: 1.4 download-retry (timeout 00:09:53) [common]
  109 13:51:28.655698  start: 1.4.1 http-download (timeout 00:09:53) [common]
  110 13:51:28.655905  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.221-cip50-141-g11050ba0789ee/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-12/modules.tar.xz
  111 13:51:28.656016  saving as /var/lib/lava/dispatcher/tmp/14880252/tftp-deploy-tf0zlnuc/modules/modules.tar
  112 13:51:28.656132  total size: 4691772 (4 MB)
  113 13:51:28.656246  Using unxz to decompress xz
  114 13:51:28.658602  progress   0 % (0 MB)
  115 13:51:28.668016  progress   5 % (0 MB)
  116 13:51:28.682499  progress  10 % (0 MB)
  117 13:51:28.696218  progress  15 % (0 MB)
  118 13:51:28.709449  progress  20 % (0 MB)
  119 13:51:28.722115  progress  25 % (1 MB)
  120 13:51:28.735554  progress  30 % (1 MB)
  121 13:51:28.750405  progress  35 % (1 MB)
  122 13:51:28.763765  progress  40 % (1 MB)
  123 13:51:28.777474  progress  45 % (2 MB)
  124 13:51:28.790965  progress  50 % (2 MB)
  125 13:51:28.804421  progress  55 % (2 MB)
  126 13:51:28.818590  progress  60 % (2 MB)
  127 13:51:28.833519  progress  65 % (2 MB)
  128 13:51:28.847073  progress  70 % (3 MB)
  129 13:51:28.859741  progress  75 % (3 MB)
  130 13:51:28.873611  progress  80 % (3 MB)
  131 13:51:28.884810  progress  85 % (3 MB)
  132 13:51:28.900567  progress  90 % (4 MB)
  133 13:51:28.914831  progress  95 % (4 MB)
  134 13:51:28.928584  progress 100 % (4 MB)
  135 13:51:28.935922  4 MB downloaded in 0.28 s (15.99 MB/s)
  136 13:51:28.936122  end: 1.4.1 http-download (duration 00:00:00) [common]
  138 13:51:28.936451  end: 1.4 download-retry (duration 00:00:00) [common]
  139 13:51:28.936569  start: 1.5 prepare-tftp-overlay (timeout 00:09:53) [common]
  140 13:51:28.936685  start: 1.5.1 extract-nfsrootfs (timeout 00:09:53) [common]
  141 13:51:32.504753  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/14880252/extract-nfsrootfs-x3z3wgni
  142 13:51:32.504930  end: 1.5.1 extract-nfsrootfs (duration 00:00:04) [common]
  143 13:51:32.505022  start: 1.5.2 lava-overlay (timeout 00:09:49) [common]
  144 13:51:32.505193  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu
  145 13:51:32.505316  makedir: /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin
  146 13:51:32.505411  makedir: /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/tests
  147 13:51:32.505502  makedir: /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/results
  148 13:51:32.505585  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-add-keys
  149 13:51:32.505712  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-add-sources
  150 13:51:32.505828  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-background-process-start
  151 13:51:32.505944  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-background-process-stop
  152 13:51:32.506067  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-common-functions
  153 13:51:32.506182  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-echo-ipv4
  154 13:51:32.506297  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-install-packages
  155 13:51:32.506409  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-installed-packages
  156 13:51:32.506520  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-os-build
  157 13:51:32.506632  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-probe-channel
  158 13:51:32.506744  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-probe-ip
  159 13:51:32.506911  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-target-ip
  160 13:51:32.507025  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-target-mac
  161 13:51:32.507138  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-target-storage
  162 13:51:32.507252  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-test-case
  163 13:51:32.507366  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-test-event
  164 13:51:32.507477  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-test-feedback
  165 13:51:32.507588  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-test-raise
  166 13:51:32.507699  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-test-reference
  167 13:51:32.507811  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-test-runner
  168 13:51:32.507923  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-test-set
  169 13:51:32.508035  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-test-shell
  170 13:51:32.508149  Updating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-add-keys (debian)
  171 13:51:32.508288  Updating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-add-sources (debian)
  172 13:51:32.508416  Updating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-install-packages (debian)
  173 13:51:32.508541  Updating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-installed-packages (debian)
  174 13:51:32.508666  Updating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/bin/lava-os-build (debian)
  175 13:51:32.508776  Creating /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/environment
  176 13:51:32.508863  LAVA metadata
  177 13:51:32.508927  - LAVA_JOB_ID=14880252
  178 13:51:32.508983  - LAVA_DISPATCHER_IP=192.168.201.1
  179 13:51:32.509076  start: 1.5.2.1 lava-vland-overlay (timeout 00:09:49) [common]
  180 13:51:32.509149  skipped lava-vland-overlay
  181 13:51:32.509220  end: 1.5.2.1 lava-vland-overlay (duration 00:00:00) [common]
  182 13:51:32.509292  start: 1.5.2.2 lava-multinode-overlay (timeout 00:09:49) [common]
  183 13:51:32.509347  skipped lava-multinode-overlay
  184 13:51:32.509412  end: 1.5.2.2 lava-multinode-overlay (duration 00:00:00) [common]
  185 13:51:32.509483  start: 1.5.2.3 test-definition (timeout 00:09:49) [common]
  186 13:51:32.509546  Loading test definitions
  187 13:51:32.509622  start: 1.5.2.3.1 inline-repo-action (timeout 00:09:49) [common]
  188 13:51:32.509685  Using /lava-14880252 at stage 0
  189 13:51:32.509961  uuid=14880252_1.5.2.3.1 testdef=None
  190 13:51:32.510043  end: 1.5.2.3.1 inline-repo-action (duration 00:00:00) [common]
  191 13:51:32.510118  start: 1.5.2.3.2 test-overlay (timeout 00:09:49) [common]
  192 13:51:32.510514  end: 1.5.2.3.2 test-overlay (duration 00:00:00) [common]
  194 13:51:32.510713  start: 1.5.2.3.3 test-install-overlay (timeout 00:09:49) [common]
  195 13:51:32.511226  end: 1.5.2.3.3 test-install-overlay (duration 00:00:00) [common]
  197 13:51:32.511434  start: 1.5.2.3.4 test-runscript-overlay (timeout 00:09:49) [common]
  198 13:51:32.511929  runner path: /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/0/tests/0_timesync-off test_uuid 14880252_1.5.2.3.1
  199 13:51:32.512073  end: 1.5.2.3.4 test-runscript-overlay (duration 00:00:00) [common]
  201 13:51:32.512279  start: 1.5.2.3.5 git-repo-action (timeout 00:09:49) [common]
  202 13:51:32.512343  Using /lava-14880252 at stage 0
  203 13:51:32.512431  Fetching tests from https://github.com/kernelci/test-definitions.git
  204 13:51:32.512507  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/0/tests/1_kselftest-lkdtm'
  205 13:51:34.603256  Running '/usr/bin/git checkout kernelci.org
  206 13:51:34.753571  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  207 13:51:34.753945  uuid=14880252_1.5.2.3.5 testdef=None
  208 13:51:34.754049  end: 1.5.2.3.5 git-repo-action (duration 00:00:02) [common]
  210 13:51:34.754253  start: 1.5.2.3.6 test-overlay (timeout 00:09:47) [common]
  211 13:51:34.754909  end: 1.5.2.3.6 test-overlay (duration 00:00:00) [common]
  213 13:51:34.755111  start: 1.5.2.3.7 test-install-overlay (timeout 00:09:47) [common]
  214 13:51:34.756049  end: 1.5.2.3.7 test-install-overlay (duration 00:00:00) [common]
  216 13:51:34.756297  start: 1.5.2.3.8 test-runscript-overlay (timeout 00:09:47) [common]
  217 13:51:34.757333  runner path: /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/0/tests/1_kselftest-lkdtm test_uuid 14880252_1.5.2.3.5
  218 13:51:34.757414  BOARD='asus-C433TA-AJ0005-rammus'
  219 13:51:34.757498  BRANCH='cip-gitlab'
  220 13:51:34.757567  SKIPFILE='/dev/null'
  221 13:51:34.757618  SKIP_INSTALL='True'
  222 13:51:34.757668  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.221-cip50-141-g11050ba0789ee/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-12/kselftest.tar.xz'
  223 13:51:34.757721  TST_CASENAME=''
  224 13:51:34.757783  TST_CMDFILES='lkdtm'
  225 13:51:34.757917  end: 1.5.2.3.8 test-runscript-overlay (duration 00:00:00) [common]
  227 13:51:34.758097  Creating lava-test-runner.conf files
  228 13:51:34.758151  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/14880252/lava-overlay-r6eubzqu/lava-14880252/0 for stage 0
  229 13:51:34.758237  - 0_timesync-off
  230 13:51:34.758316  - 1_kselftest-lkdtm
  231 13:51:34.758404  end: 1.5.2.3 test-definition (duration 00:00:02) [common]
  232 13:51:34.758480  start: 1.5.2.4 compress-overlay (timeout 00:09:47) [common]
  233 13:51:41.916658  end: 1.5.2.4 compress-overlay (duration 00:00:07) [common]
  234 13:51:41.916788  start: 1.5.2.5 persistent-nfs-overlay (timeout 00:09:40) [common]
  235 13:51:41.916870  end: 1.5.2.5 persistent-nfs-overlay (duration 00:00:00) [common]
  236 13:51:41.916950  end: 1.5.2 lava-overlay (duration 00:00:09) [common]
  237 13:51:41.917028  start: 1.5.3 extract-overlay-ramdisk (timeout 00:09:40) [common]
  238 13:51:42.052519  end: 1.5.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  239 13:51:42.052665  start: 1.5.4 extract-modules (timeout 00:09:40) [common]
  240 13:51:42.052760  extracting modules file /var/lib/lava/dispatcher/tmp/14880252/tftp-deploy-tf0zlnuc/modules/modules.tar to /var/lib/lava/dispatcher/tmp/14880252/extract-nfsrootfs-x3z3wgni
  241 13:51:42.157463  extracting modules file /var/lib/lava/dispatcher/tmp/14880252/tftp-deploy-tf0zlnuc/modules/modules.tar to /var/lib/lava/dispatcher/tmp/14880252/extract-overlay-ramdisk-5bw1r_y6/ramdisk
  242 13:51:42.268001  end: 1.5.4 extract-modules (duration 00:00:00) [common]
  243 13:51:42.268129  start: 1.5.5 apply-overlay-tftp (timeout 00:09:40) [common]
  244 13:51:42.268215  [common] Applying overlay to NFS
  245 13:51:42.268276  [common] Applying overlay /var/lib/lava/dispatcher/tmp/14880252/compress-overlay-6a9l_byz/overlay-1.5.2.4.tar.gz to directory /var/lib/lava/dispatcher/tmp/14880252/extract-nfsrootfs-x3z3wgni
  246 13:51:43.111046  end: 1.5.5 apply-overlay-tftp (duration 00:00:01) [common]
  247 13:51:43.111173  start: 1.5.6 configure-preseed-file (timeout 00:09:39) [common]
  248 13:51:43.111258  end: 1.5.6 configure-preseed-file (duration 00:00:00) [common]
  249 13:51:43.111336  start: 1.5.7 compress-ramdisk (timeout 00:09:39) [common]
  250 13:51:43.111406  Building ramdisk /var/lib/lava/dispatcher/tmp/14880252/extract-overlay-ramdisk-5bw1r_y6/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/14880252/extract-overlay-ramdisk-5bw1r_y6/ramdisk
  251 13:51:43.294188  >> 88856 blocks

  252 13:51:44.805335  rename /var/lib/lava/dispatcher/tmp/14880252/extract-overlay-ramdisk-5bw1r_y6/ramdisk.cpio.gz to /var/lib/lava/dispatcher/tmp/14880252/tftp-deploy-tf0zlnuc/ramdisk/ramdisk.cpio.gz
  253 13:51:44.805489  end: 1.5.7 compress-ramdisk (duration 00:00:02) [common]
  254 13:51:44.805595  start: 1.5.8 prepare-kernel (timeout 00:09:37) [common]
  255 13:51:44.805676  start: 1.5.8.1 prepare-fit (timeout 00:09:37) [common]
  256 13:51:44.805761  No mkimage arch provided, not using FIT.
  257 13:51:44.805833  end: 1.5.8.1 prepare-fit (duration 00:00:00) [common]
  258 13:51:44.805903  end: 1.5.8 prepare-kernel (duration 00:00:00) [common]
  259 13:51:44.805978  end: 1.5 prepare-tftp-overlay (duration 00:00:16) [common]
  260 13:51:44.806051  start: 1.6 lxc-create-udev-rule-action (timeout 00:09:37) [common]
  261 13:51:44.806108  No LXC device requested
  262 13:51:44.806172  end: 1.6 lxc-create-udev-rule-action (duration 00:00:00) [common]
  263 13:51:44.806244  start: 1.7 deploy-device-env (timeout 00:09:37) [common]
  264 13:51:44.806313  end: 1.7 deploy-device-env (duration 00:00:00) [common]
  265 13:51:44.806369  Checking files for TFTP limit of 4294967296 bytes.
  266 13:51:44.806652  end: 1 tftp-deploy (duration 00:00:23) [common]
  267 13:51:44.806739  start: 2 depthcharge-action (timeout 00:05:00) [common]
  268 13:51:44.806815  start: 2.1 depthcharge-overlay (timeout 00:05:00) [common]
  269 13:51:44.806909  substitutions:
  270 13:51:44.806966  - {DTB}: None
  271 13:51:44.807018  - {INITRD}: 14880252/tftp-deploy-tf0zlnuc/ramdisk/ramdisk.cpio.gz
  272 13:51:44.807069  - {KERNEL}: 14880252/tftp-deploy-tf0zlnuc/kernel/bzImage
  273 13:51:44.807118  - {LAVA_MAC}: None
  274 13:51:44.807167  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/14880252/extract-nfsrootfs-x3z3wgni
  275 13:51:44.807216  - {NFS_SERVER_IP}: 192.168.201.1
  276 13:51:44.807264  - {PRESEED_CONFIG}: None
  277 13:51:44.807319  - {PRESEED_LOCAL}: None
  278 13:51:44.807367  - {RAMDISK}: 14880252/tftp-deploy-tf0zlnuc/ramdisk/ramdisk.cpio.gz
  279 13:51:44.807416  - {ROOT_PART}: None
  280 13:51:44.807463  - {ROOT}: None
  281 13:51:44.807510  - {SERVER_IP}: 192.168.201.1
  282 13:51:44.807557  - {TEE}: None
  283 13:51:44.807603  Parsed boot commands:
  284 13:51:44.807650  - tftpboot 192.168.201.1 {DEPTHCHARGE_KERNEL} {CMDLINE} {DEPTHCHARGE_RAMDISK}
  285 13:51:44.807781  Parsed boot commands: tftpboot 192.168.201.1 14880252/tftp-deploy-tf0zlnuc/kernel/bzImage 14880252/tftp-deploy-tf0zlnuc/kernel/cmdline 14880252/tftp-deploy-tf0zlnuc/ramdisk/ramdisk.cpio.gz
  286 13:51:44.807859  end: 2.1 depthcharge-overlay (duration 00:00:00) [common]
  287 13:51:44.807944  start: 2.2 depthcharge-retry (timeout 00:05:00) [common]
  288 13:51:44.808046  start: 2.2.1 reset-connection (timeout 00:05:00) [common]
  289 13:51:44.808151  start: 2.2.1.1 disconnect-device (timeout 00:05:00) [common]
  290 13:51:44.808232  Not connected, no need to disconnect.
  291 13:51:44.808302  end: 2.2.1.1 disconnect-device (duration 00:00:00) [common]
  292 13:51:44.808372  start: 2.2.1.2 connect-device (timeout 00:05:00) [common]
  293 13:51:44.808428  [common] connect-device Connecting to device using '/usr/local/bin/chromebook-console.sh asus-C433TA-AJ0005-rammus-cbg-1'
  294 13:51:44.811610  Setting prompt string to ['lava-test: # ']
  295 13:51:44.811909  end: 2.2.1.2 connect-device (duration 00:00:00) [common]
  296 13:51:44.811999  end: 2.2.1 reset-connection (duration 00:00:00) [common]
  297 13:51:44.812116  start: 2.2.2 reset-device (timeout 00:05:00) [common]
  298 13:51:44.812193  start: 2.2.2.1 pdu-reboot (timeout 00:05:00) [common]
  299 13:51:44.812423  Calling: ['pduclient', '--daemon=localhost', '--hostname=asus-C433TA-AJ0005-rammus-cbg-1', '--port=1', '--command=reboot']
  300 13:51:53.954237  >> Command sent successfully.
  301 13:51:53.957564  Returned 0 in 9 seconds
  302 13:51:53.957726  end: 2.2.2.1 pdu-reboot (duration 00:00:09) [common]
  304 13:51:53.957952  end: 2.2.2 reset-device (duration 00:00:09) [common]
  305 13:51:53.958049  start: 2.2.3 depthcharge-start (timeout 00:04:51) [common]
  306 13:51:53.958125  Setting prompt string to 'Starting depthcharge on rammus...'
  307 13:51:53.958214  Changing prompt to 'Starting depthcharge on rammus...'
  308 13:51:53.958312  depthcharge-start: Wait for prompt Starting depthcharge on rammus... (timeout 00:05:00)
  309 13:51:53.958795  [Enter `^Ec?' for help]

  310 13:51:55.348044  

  311 13:51:55.348232  

  312 13:51:55.355067  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 bootblock starting...

  313 13:51:55.361538  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz

  314 13:51:55.365008  CPU: ID 806e9, Kabylake H0, ucode: 00000097

  315 13:51:55.371651  CPU: AES supported, TXT NOT supported, VT supported

  316 13:51:55.375124  MCH: device id 590c (rev 02) is Kabylake-Y

  317 13:51:55.381434  PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium

  318 13:51:55.384561  IGD: device id 591c (rev 02) is Amberlake ULX GT2

  319 13:51:55.388161  VBOOT: Loading verstage.

  320 13:51:55.394560  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  321 13:51:55.398010  CBFS: Locating 'fallback/verstage'

  322 13:51:55.401098  CBFS: Found @ offset 1a0a80 size f47c

  323 13:51:55.415269  

  324 13:51:55.415343  

  325 13:51:55.421752  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 verstage starting...

  326 13:51:55.437601  Probing TPM: . done!

  327 13:51:55.441286  TPM ready after 0 ms

  328 13:51:55.444409  Connected to device vid:did:rid of 1ae0:0028:00

  329 13:51:55.454769  Firmware version: B2-C:0 RO_A:0.0.12/bf248b9d RW_A:0.5.230/cr50_v2.94_mp.295-213e4d5a61

  330 13:51:55.458326  Initialized TPM device CR50 revision 0

  331 13:51:55.502650  tlcl_send_startup: Startup return code is 0

  332 13:51:55.502748  TPM: setup succeeded

  333 13:51:55.515083  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0

  334 13:51:55.519061  Chrome EC: UHEPI supported

  335 13:51:55.522591  Phase 1

  336 13:51:55.525671  FMAP: Found "FLASH" version 1.1 at c10000.

  337 13:51:55.532713  FMAP: base = ff000000 size = 1000000 #areas = 33

  338 13:51:55.535655  FMAP: area GBB found @ c11000 (978944 bytes)

  339 13:51:55.542517  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0

  340 13:51:55.549216  VB2:vb2_check_recovery() Recovery was requested manually

  341 13:51:55.555507  VB2:vb2_check_recovery() We have a recovery request: 0x2 / 0x0

  342 13:51:55.560467  Recovery requested (1009000e)

  343 13:51:55.566762  tlcl_extend: response is 0

  344 13:51:55.575466  tlcl_extend: response is 0

  345 13:51:55.582188  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  346 13:51:55.585351  CBFS: Locating 'fallback/romstage'

  347 13:51:55.588770  CBFS: Found @ offset 80 size 10ffc

  348 13:51:55.592702  

  349 13:51:55.592778  

  350 13:51:55.599415  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 romstage starting...

  351 13:51:55.606570  pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00

  352 13:51:55.610120  gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000

  353 13:51:55.613010  gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000

  354 13:51:55.619578  gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000

  355 13:51:55.623107  gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000

  356 13:51:55.626504  TCO_STS:   0000 0000

  357 13:51:55.629591  GEN_PMCON: e0040200 0000503a

  358 13:51:55.633130  GBLRST_CAUSE: 00000000 00000000

  359 13:51:55.633210  prev_sleep_state 5

  360 13:51:55.636224  Boot Count incremented to 86163

  361 13:51:55.642747  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  362 13:51:55.646253  CBFS: Locating 'fspm.bin'

  363 13:51:55.650179  CBFS: Found @ offset 103fc0 size 63000

  364 13:51:55.653607  Chrome EC: UHEPI supported

  365 13:51:55.660193  FMAP: Found "FLASH" version 1.1 at c10000.

  366 13:51:55.663203  FMAP: base = ff000000 size = 1000000 #areas = 33

  367 13:51:55.669738  FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes)

  368 13:51:55.674216  Probing TPM:  done!

  369 13:51:55.681277  Connected to device vid:did:rid of 1ae0:0028:00

  370 13:51:55.690771  Firmware version: B2-C:0 RO_A:0.0.12/bf248b9d RW_A:0.5.230/cr50_v2.94_mp.295-213e4d5a61

  371 13:51:55.697962  Initialized TPM device CR50 revision 0

  372 13:51:55.705601  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  373 13:51:55.712163  MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE

  374 13:51:55.715697  MRC cache found, size 1868

  375 13:51:55.719225  bootmode is set to :2

  376 13:51:55.719309  SPD index 1

  377 13:51:55.725720  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  378 13:51:55.728703  CBFS: Locating 'spd.bin'

  379 13:51:55.732180  CBFS: Found @ offset 1a0240 size 800

  380 13:51:55.735670  SPD: module type is LPDDR3

  381 13:51:55.738851  SPD: module part is K4E8E324EB-EGCF   

  382 13:51:55.745281  SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb

  383 13:51:55.748700  SPD: device width 32 bits, bus width 64 bits

  384 13:51:55.755174  SPD: module size is 2048 MB (per channel)

  385 13:51:55.867440  CBMEM:

  386 13:51:55.871119  IMD: root @ 7afff000 254 entries.

  387 13:51:55.874189  IMD: root @ 7affec00 62 entries.

  388 13:51:55.877635  External stage cache:

  389 13:51:55.880559  IMD: root @ 7b3ff000 254 entries.

  390 13:51:55.884037  IMD: root @ 7b3fec00 62 entries.

  391 13:51:55.887348  creating vboot_handoff structure

  392 13:51:55.890710  Chrome EC: clear events_b mask to 0x0000000021004000

  393 13:51:55.907507  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  394 13:51:55.920303  tlcl_write: response is 0

  395 13:51:55.929417  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  396 13:51:55.935818  MRC: TPM MRC hash updated successfully.

  397 13:51:55.935914  2 DIMMs found

  398 13:51:55.939450  top_of_ram = 0x7b000000

  399 13:51:55.942502  MTRR Range: Start=7a000000 End=7b000000 (Size 1000000)

  400 13:51:55.949491  MTRR Range: Start=7b000000 End=7b800000 (Size 800000)

  401 13:51:55.955990  MTRR Range: Start=ff000000 End=0 (Size 1000000)

  402 13:51:55.959466  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  403 13:51:55.962986  CBFS: Locating 'fallback/postcar'

  404 13:51:55.969560  CBFS: Found @ offset 197000 size 3f04

  405 13:51:55.972570  Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes)

  406 13:51:55.984188  Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90

  407 13:51:55.987649  Processing 118 relocs. Offset value of 0x78bd1000

  408 13:51:55.994463  

  409 13:51:55.994556  

  410 13:51:56.001534  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 postcar starting...

  411 13:51:56.007931  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  412 13:51:56.011077  CBFS: Locating 'fallback/ramstage'

  413 13:51:56.014517  CBFS: Found @ offset e8d80 size 1a462

  414 13:51:56.021090  Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes)

  415 13:51:56.060445  Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78

  416 13:51:56.063508  Processing 3657 relocs. Offset value of 0x79d06000

  417 13:51:56.067123  

  418 13:51:56.067201  

  419 13:51:56.073765  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 ramstage starting...

  420 13:51:56.080111  FMAP: Found "FLASH" version 1.1 at c10000.

  421 13:51:56.083432  FMAP: base = ff000000 size = 1000000 #areas = 33

  422 13:51:56.090209  FMAP: area RO_VPD found @ c00000 (16384 bytes)

  423 13:51:56.093717  WARNING: RO_VPD is uninitialized or empty.

  424 13:51:56.096962  FMAP: area RW_VPD found @ 9f8000 (8192 bytes)

  425 13:51:56.103716  FMAP: area RW_VPD found @ 9f8000 (8192 bytes)

  426 13:51:56.103820  Normal boot.

  427 13:51:56.110088  BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0

  428 13:51:56.116566  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  429 13:51:56.120045  CBFS: Locating 'cpu_microcode_blob.bin'

  430 13:51:56.123163  CBFS: Found @ offset 11100 size d7c00

  431 13:51:56.126635  microcode: sig=0x806e9 pf=0x10 revision=0x97

  432 13:51:56.130075  Skip microcode update

  433 13:51:56.136539  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  434 13:51:56.140024  CBFS: Locating 'fsps.bin'

  435 13:51:56.143078  CBFS: Found @ offset 167fc0 size 2f000

  436 13:51:56.168193  Detected 2 core, 4 thread CPU.

  437 13:51:56.171466  Setting up SMI for CPU

  438 13:51:56.174808  IED base = 0x7b400000

  439 13:51:56.174883  IED size = 0x00400000

  440 13:51:56.178135  Will perform SMM setup.

  441 13:51:56.184572  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz.

  442 13:51:56.191548  Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170

  443 13:51:56.194688  Processing 16 relocs. Offset value of 0x00030000

  444 13:51:56.198623  Attempting to start 3 APs

  445 13:51:56.201990  Waiting for 10ms after sending INIT.

  446 13:51:56.218347  Waiting for 1st SIPI to complete...done.

  447 13:51:56.218423  AP: slot 3 apic_id 2.

  448 13:51:56.221322  AP: slot 2 apic_id 3.

  449 13:51:56.224962  Waiting for 2nd SIPI to complete...done.

  450 13:51:56.228033  AP: slot 1 apic_id 1.

  451 13:51:56.234663  Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8

  452 13:51:56.241288  Processing 13 relocs. Offset value of 0x00038000

  453 13:51:56.247933  SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000)

  454 13:51:56.251559  Installing SMM handler to 0x7b000000

  455 13:51:56.258048  Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0

  456 13:51:56.264622  Processing 243 relocs. Offset value of 0x7b010000

  457 13:51:56.271548  Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8

  458 13:51:56.278071  Processing 13 relocs. Offset value of 0x7b008000

  459 13:51:56.281014  SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd

  460 13:51:56.287695  SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd

  461 13:51:56.294732  SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd

  462 13:51:56.301286  SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000)

  463 13:51:56.304535  Clearing SMI status registers

  464 13:51:56.304608  SMI_STS: PM1 

  465 13:51:56.308236  PM1_STS: PWRBTN 

  466 13:51:56.311177  TCO_STS: BOOT SECOND_TO 

  467 13:51:56.311249  New SMBASE 0x7b000000

  468 13:51:56.314589  In relocation handler: CPU 0

  469 13:51:56.317900  New SMBASE=0x7b000000 IEDBASE=0x7b400000

  470 13:51:56.324563  Writing SMRR. base = 0x7b000006, mask=0xff800800

  471 13:51:56.324662  Relocation complete.

  472 13:51:56.328096  New SMBASE 0x7afffc00

  473 13:51:56.331100  In relocation handler: CPU 1

  474 13:51:56.334692  New SMBASE=0x7afffc00 IEDBASE=0x7b400000

  475 13:51:56.341157  Writing SMRR. base = 0x7b000006, mask=0xff800800

  476 13:51:56.341292  Relocation complete.

  477 13:51:56.344844  New SMBASE 0x7afff400

  478 13:51:56.348140  In relocation handler: CPU 3

  479 13:51:56.351249  New SMBASE=0x7afff400 IEDBASE=0x7b400000

  480 13:51:56.357782  Writing SMRR. base = 0x7b000006, mask=0xff800800

  481 13:51:56.357859  Relocation complete.

  482 13:51:56.361277  New SMBASE 0x7afff800

  483 13:51:56.364726  In relocation handler: CPU 2

  484 13:51:56.367709  New SMBASE=0x7afff800 IEDBASE=0x7b400000

  485 13:51:56.374728  Writing SMRR. base = 0x7b000006, mask=0xff800800

  486 13:51:56.374828  Relocation complete.

  487 13:51:56.377652  Initializing CPU #0

  488 13:51:56.381258  CPU: vendor Intel device 806e9

  489 13:51:56.384672  CPU: family 06, model 8e, stepping 09

  490 13:51:56.388078  Setting up local APIC... apic_id: 0x00 done.

  491 13:51:56.391203  Turbo is available but hidden

  492 13:51:56.394537  Turbo has been enabled

  493 13:51:56.397634  SGX : param.enable = 0

  494 13:51:56.397709  Skip microcode update

  495 13:51:56.400965  CPU #0 initialized

  496 13:51:56.401059  Initializing CPU #1

  497 13:51:56.404156  Initializing CPU #2

  498 13:51:56.407538  Initializing CPU #3

  499 13:51:56.411040  CPU: vendor Intel device 806e9

  500 13:51:56.414460  CPU: family 06, model 8e, stepping 09

  501 13:51:56.417510  CPU: vendor Intel device 806e9

  502 13:51:56.421014  CPU: family 06, model 8e, stepping 09

  503 13:51:56.427656  Setting up local APIC...CPU: vendor Intel device 806e9

  504 13:51:56.431010  CPU: family 06, model 8e, stepping 09

  505 13:51:56.431086   apic_id: 0x03 done.

  506 13:51:56.437513  Setting up local APIC...Setting up local APIC...Skip microcode update

  507 13:51:56.440578   apic_id: 0x02 done.

  508 13:51:56.444050  CPU #2 initialized

  509 13:51:56.444124  Skip microcode update

  510 13:51:56.447198   apic_id: 0x01 done.

  511 13:51:56.450695  CPU #3 initialized

  512 13:51:56.450767  Skip microcode update

  513 13:51:56.454180  CPU #1 initialized

  514 13:51:56.457189  bsp_do_flight_plan done after 228 msecs.

  515 13:51:56.460673  CPU: frequency set to 3400 MHz

  516 13:51:56.464206  Enabling SMIs.

  517 13:51:56.464300  Locking SMM.

  518 13:51:56.467194  VMX : param.enable = 1

  519 13:51:56.470538  VMX status: enabled, unlocked

  520 13:51:56.470614  SGX: pre-conditions not met

  521 13:51:56.474084  VMX status: enabled, unlocked

  522 13:51:56.477071  SGX: pre-conditions not met

  523 13:51:56.480543  VMX status: enabled, unlocked

  524 13:51:56.483514  VMX status: enabled, unlocked

  525 13:51:56.487036  SGX: pre-conditions not met

  526 13:51:56.490083  SGX: pre-conditions not met

  527 13:51:56.496791  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  528 13:51:56.496867  CBFS: Locating 'vbt.bin'

  529 13:51:56.503448  CBFS: Found @ offset 103a00 size 48e

  530 13:51:56.507006  Found a VBT of 4608 bytes after decompression

  531 13:51:56.510694  psys_pmax = 360

  532 13:51:56.513823  FMAP: area GBB found @ c11000 (978944 bytes)

  533 13:51:56.632928  ITSS IRQ Polarities Before:

  534 13:51:56.636210  IPC0: 0x00ff4000

  535 13:51:56.636289  IPC1: 0x00000007

  536 13:51:56.639702  IPC2: 0x00000000

  537 13:51:56.639777  IPC3: 0x00000000

  538 13:51:56.642755  ITSS IRQ Polarities After:

  539 13:51:56.645823  IPC0: 0x00ff4000

  540 13:51:56.645899  IPC1: 0x00000007

  541 13:51:56.649005  IPC2: 0x00000000

  542 13:51:56.649106  IPC3: 0x00000000

  543 13:51:56.655989  Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU

  544 13:51:56.662545  BS: BS_DEV_INIT_CHIPS times (us): entry 376080 run 172939 exit 0

  545 13:51:56.666113  Enumerating buses...

  546 13:51:56.669041  Show all devs... Before device enumeration.

  547 13:51:56.672635  Root Device: enabled 1

  548 13:51:56.672715  CPU_CLUSTER: 0: enabled 1

  549 13:51:56.675700  DOMAIN: 0000: enabled 1

  550 13:51:56.679005  APIC: 00: enabled 1

  551 13:51:56.679081  PCI: 00:00.0: enabled 1

  552 13:51:56.682474  PCI: 00:02.0: enabled 1

  553 13:51:56.685915  PCI: 00:14.0: enabled 1

  554 13:51:56.689230  PCI: 00:14.1: enabled 0

  555 13:51:56.689305  PCI: 00:14.2: enabled 1

  556 13:51:56.692247  PCI: 00:15.0: enabled 1

  557 13:51:56.695714  PCI: 00:15.1: enabled 1

  558 13:51:56.699195  PCI: 00:15.2: enabled 0

  559 13:51:56.699269  PCI: 00:15.3: enabled 0

  560 13:51:56.702050  PCI: 00:16.0: enabled 1

  561 13:51:56.705510  PCI: 00:16.1: enabled 0

  562 13:51:56.708984  PCI: 00:16.2: enabled 0

  563 13:51:56.709077  PCI: 00:16.3: enabled 0

  564 13:51:56.712047  PCI: 00:16.4: enabled 0

  565 13:51:56.715518  PCI: 00:17.0: enabled 0

  566 13:51:56.715586  PCI: 00:19.0: enabled 1

  567 13:51:56.718929  PCI: 00:19.1: enabled 1

  568 13:51:56.722001  PCI: 00:19.2: enabled 0

  569 13:51:56.725390  PCI: 00:1c.0: enabled 1

  570 13:51:56.725463  PCI: 00:1c.1: enabled 0

  571 13:51:56.728611  PCI: 00:1c.2: enabled 0

  572 13:51:56.732046  PCI: 00:1c.3: enabled 0

  573 13:51:56.735387  PCI: 00:1c.4: enabled 0

  574 13:51:56.735460  PCI: 00:1c.5: enabled 0

  575 13:51:56.738865  PCI: 00:1c.6: enabled 0

  576 13:51:56.742098  PCI: 00:1c.7: enabled 0

  577 13:51:56.745229  PCI: 00:1d.0: enabled 0

  578 13:51:56.745343  PCI: 00:1d.1: enabled 0

  579 13:51:56.748586  PCI: 00:1d.2: enabled 0

  580 13:51:56.752207  PCI: 00:1d.3: enabled 0

  581 13:51:56.755268  PCI: 00:1e.0: enabled 1

  582 13:51:56.755364  PCI: 00:1e.1: enabled 0

  583 13:51:56.758509  PCI: 00:1e.2: enabled 1

  584 13:51:56.762093  PCI: 00:1e.3: enabled 0

  585 13:51:56.762166  PCI: 00:1e.4: enabled 1

  586 13:51:56.765191  PCI: 00:1e.5: enabled 0

  587 13:51:56.768652  PCI: 00:1e.6: enabled 1

  588 13:51:56.772182  PCI: 00:1f.0: enabled 1

  589 13:51:56.772288  PCI: 00:1f.1: enabled 1

  590 13:51:56.775164  PCI: 00:1f.2: enabled 1

  591 13:51:56.778636  PCI: 00:1f.3: enabled 1

  592 13:51:56.781727  PCI: 00:1f.4: enabled 1

  593 13:51:56.781804  PCI: 00:1f.5: enabled 1

  594 13:51:56.785277  PCI: 00:1f.6: enabled 0

  595 13:51:56.788224  USB0 port 0: enabled 1

  596 13:51:56.788303  I2C: 00:5c: enabled 1

  597 13:51:56.792119  I2C: 00:15: enabled 1

  598 13:51:56.794967  I2C: 00:39: enabled 1

  599 13:51:56.795042  I2C: 00:3a: enabled 1

  600 13:51:56.798465  I2C: 00:1a: enabled 1

  601 13:51:56.801572  PCI: 00:00.0: enabled 1

  602 13:51:56.801649  SPI: 00: enabled 1

  603 13:51:56.805115  PNP: 0c09.0: enabled 1

  604 13:51:56.808483  USB2 port 0: enabled 1

  605 13:51:56.811479  USB2 port 1: enabled 1

  606 13:51:56.811548  USB2 port 2: enabled 1

  607 13:51:56.815000  USB2 port 4: enabled 1

  608 13:51:56.818074  USB2 port 8: enabled 1

  609 13:51:56.818142  APIC: 01: enabled 1

  610 13:51:56.821569  APIC: 03: enabled 1

  611 13:51:56.825068  APIC: 02: enabled 1

  612 13:51:56.825193  Compare with tree...

  613 13:51:56.828033  Root Device: enabled 1

  614 13:51:56.831692   CPU_CLUSTER: 0: enabled 1

  615 13:51:56.831758    APIC: 00: enabled 1

  616 13:51:56.834542    APIC: 01: enabled 1

  617 13:51:56.838097    APIC: 03: enabled 1

  618 13:51:56.838161    APIC: 02: enabled 1

  619 13:51:56.841396   DOMAIN: 0000: enabled 1

  620 13:51:56.844842    PCI: 00:00.0: enabled 1

  621 13:51:56.848092    PCI: 00:02.0: enabled 1

  622 13:51:56.851251    PCI: 00:14.0: enabled 1

  623 13:51:56.851335     USB0 port 0: enabled 1

  624 13:51:56.854605      USB2 port 0: enabled 1

  625 13:51:56.858036      USB2 port 1: enabled 1

  626 13:51:56.861486      USB2 port 2: enabled 1

  627 13:51:56.864693      USB2 port 4: enabled 1

  628 13:51:56.864779      USB2 port 8: enabled 1

  629 13:51:56.868078    PCI: 00:14.1: enabled 0

  630 13:51:56.871546    PCI: 00:14.2: enabled 1

  631 13:51:56.874656    PCI: 00:15.0: enabled 1

  632 13:51:56.878116     I2C: 00:5c: enabled 1

  633 13:51:56.878192    PCI: 00:15.1: enabled 1

  634 13:51:56.881033     I2C: 00:15: enabled 1

  635 13:51:56.884517    PCI: 00:15.2: enabled 0

  636 13:51:56.888084    PCI: 00:15.3: enabled 0

  637 13:51:56.891192    PCI: 00:16.0: enabled 1

  638 13:51:56.891268    PCI: 00:16.1: enabled 0

  639 13:51:56.894537    PCI: 00:16.2: enabled 0

  640 13:51:56.897817    PCI: 00:16.3: enabled 0

  641 13:51:56.901030    PCI: 00:16.4: enabled 0

  642 13:51:56.901140    PCI: 00:17.0: enabled 0

  643 13:51:56.904658    PCI: 00:19.0: enabled 1

  644 13:51:56.907729    PCI: 00:19.1: enabled 1

  645 13:51:56.911044     I2C: 00:39: enabled 1

  646 13:51:56.914485     I2C: 00:3a: enabled 1

  647 13:51:56.914562     I2C: 00:1a: enabled 1

  648 13:51:56.917590    PCI: 00:19.2: enabled 0

  649 13:51:56.921023    PCI: 00:1c.0: enabled 1

  650 13:51:56.924620     PCI: 00:00.0: enabled 1

  651 13:51:56.927547    PCI: 00:1c.1: enabled 0

  652 13:51:56.927624    PCI: 00:1c.2: enabled 0

  653 13:51:56.931088    PCI: 00:1c.3: enabled 0

  654 13:51:56.934009    PCI: 00:1c.4: enabled 0

  655 13:51:56.937522    PCI: 00:1c.5: enabled 0

  656 13:51:56.941074    PCI: 00:1c.6: enabled 0

  657 13:51:56.941203    PCI: 00:1c.7: enabled 0

  658 13:51:56.943979    PCI: 00:1d.0: enabled 0

  659 13:51:56.947545    PCI: 00:1d.1: enabled 0

  660 13:51:56.950976    PCI: 00:1d.2: enabled 0

  661 13:51:56.954033    PCI: 00:1d.3: enabled 0

  662 13:51:56.954109    PCI: 00:1e.0: enabled 1

  663 13:51:56.957428    PCI: 00:1e.1: enabled 0

  664 13:51:56.960714    PCI: 00:1e.2: enabled 1

  665 13:51:56.964204     SPI: 00: enabled 1

  666 13:51:56.964298    PCI: 00:1e.3: enabled 0

  667 13:51:56.967127    PCI: 00:1e.4: enabled 1

  668 13:51:56.970394    PCI: 00:1e.5: enabled 0

  669 13:51:56.973882    PCI: 00:1e.6: enabled 1

  670 13:51:56.977274    PCI: 00:1f.0: enabled 1

  671 13:51:56.977365     PNP: 0c09.0: enabled 1

  672 13:51:56.980459    PCI: 00:1f.1: enabled 1

  673 13:51:56.983558    PCI: 00:1f.2: enabled 1

  674 13:51:56.987031    PCI: 00:1f.3: enabled 1

  675 13:51:56.990494    PCI: 00:1f.4: enabled 1

  676 13:51:56.990572    PCI: 00:1f.5: enabled 1

  677 13:51:56.993504    PCI: 00:1f.6: enabled 0

  678 13:51:56.996984  Root Device scanning...

  679 13:51:57.000387  root_dev_scan_bus for Root Device

  680 13:51:57.003738  CPU_CLUSTER: 0 enabled

  681 13:51:57.003820  DOMAIN: 0000 enabled

  682 13:51:57.007110  DOMAIN: 0000 scanning...

  683 13:51:57.010539  PCI: pci_scan_bus for bus 00

  684 13:51:57.013468  PCI: 00:00.0 [8086/0000] ops

  685 13:51:57.016801  PCI: 00:00.0 [8086/590c] enabled

  686 13:51:57.020229  PCI: 00:02.0 [8086/0000] ops

  687 13:51:57.023394  PCI: 00:02.0 [8086/591c] enabled

  688 13:51:57.026965  PCI: 00:04.0 [8086/1903] enabled

  689 13:51:57.030579  PCI: 00:08.0 [8086/1911] enabled

  690 13:51:57.033555  PCI: 00:14.0 [8086/0000] bus ops

  691 13:51:57.037048  PCI: 00:14.0 [8086/9d2f] enabled

  692 13:51:57.040034  PCI: 00:14.2 [8086/9d31] enabled

  693 13:51:57.043512  PCI: 00:15.0 [8086/0000] bus ops

  694 13:51:57.046971  PCI: 00:15.0 [8086/9d60] enabled

  695 13:51:57.049978  PCI: 00:15.1 [8086/0000] bus ops

  696 13:51:57.053346  PCI: 00:15.1 [8086/9d61] enabled

  697 13:51:57.056503  PCI: 00:16.0 [8086/0000] ops

  698 13:51:57.060123  PCI: 00:16.0 [8086/9d3a] enabled

  699 13:51:57.060208  PCI: 00:19.0 [8086/0000] ops

  700 13:51:57.063466  PCI: 00:19.0 [8086/9d66] enabled

  701 13:51:57.066953  PCI: 00:19.1 [8086/0000] bus ops

  702 13:51:57.069929  PCI: 00:19.1 [8086/9d65] enabled

  703 13:51:57.073439  PCI: 00:1c.0 [8086/0000] bus ops

  704 13:51:57.076546  PCI: 00:1c.0 [8086/9d10] enabled

  705 13:51:57.079977  PCI: 00:1e.0 [8086/0000] ops

  706 13:51:57.083245  PCI: 00:1e.0 [8086/9d27] enabled

  707 13:51:57.086403  PCI: 00:1e.2 [8086/0000] bus ops

  708 13:51:57.089678  PCI: 00:1e.2 [8086/9d29] enabled

  709 13:51:57.093500  PCI: 00:1e.4 [8086/9d2b] enabled

  710 13:51:57.096584  PCI: 00:1e.6 [8086/0000] ops

  711 13:51:57.099672  PCI: 00:1e.6 [8086/9d2d] enabled

  712 13:51:57.103059  PCI: 00:1f.0 [8086/0000] bus ops

  713 13:51:57.106328  PCI: 00:1f.0 [8086/9d4b] enabled

  714 13:51:57.113107  PCI: Static device PCI: 00:1f.1 not found, disabling it.

  715 13:51:57.116512  PCI: 00:1f.2 [8086/0000] bus ops

  716 13:51:57.119867  PCI: 00:1f.2 [8086/9d21] enabled

  717 13:51:57.123059  PCI: 00:1f.3 [8086/0000] bus ops

  718 13:51:57.126090  PCI: 00:1f.3 [8086/9d71] enabled

  719 13:51:57.129596  PCI: 00:1f.4 [8086/0000] bus ops

  720 13:51:57.133030  PCI: 00:1f.4 [8086/9d23] enabled

  721 13:51:57.136168  PCI: 00:1f.5 [8086/0000] bus ops

  722 13:51:57.139675  PCI: 00:1f.5 [8086/9d24] enabled

  723 13:51:57.142734  PCI: 00:14.0 scanning...

  724 13:51:57.146186  scan_usb_bus for PCI: 00:14.0

  725 13:51:57.146259  USB0 port 0 enabled

  726 13:51:57.149674  USB0 port 0 scanning...

  727 13:51:57.152648  scan_usb_bus for USB0 port 0

  728 13:51:57.156126  USB2 port 0 enabled

  729 13:51:57.156199  USB2 port 1 enabled

  730 13:51:57.159485  USB2 port 2 enabled

  731 13:51:57.159551  USB2 port 4 enabled

  732 13:51:57.162877  USB2 port 8 enabled

  733 13:51:57.166152  USB2 port 0 scanning...

  734 13:51:57.169494  scan_usb_bus for USB2 port 0

  735 13:51:57.173020  scan_usb_bus for USB2 port 0 done

  736 13:51:57.176186  scan_bus: scanning of bus USB2 port 0 took 8972 usecs

  737 13:51:57.179719  USB2 port 1 scanning...

  738 13:51:57.182723  scan_usb_bus for USB2 port 1

  739 13:51:57.186212  scan_usb_bus for USB2 port 1 done

  740 13:51:57.192575  scan_bus: scanning of bus USB2 port 1 took 8973 usecs

  741 13:51:57.192712  USB2 port 2 scanning...

  742 13:51:57.195899  scan_usb_bus for USB2 port 2

  743 13:51:57.199295  scan_usb_bus for USB2 port 2 done

  744 13:51:57.206320  scan_bus: scanning of bus USB2 port 2 took 8973 usecs

  745 13:51:57.209082  USB2 port 4 scanning...

  746 13:51:57.212650  scan_usb_bus for USB2 port 4

  747 13:51:57.216162  scan_usb_bus for USB2 port 4 done

  748 13:51:57.219217  scan_bus: scanning of bus USB2 port 4 took 8965 usecs

  749 13:51:57.222664  USB2 port 8 scanning...

  750 13:51:57.226040  scan_usb_bus for USB2 port 8

  751 13:51:57.229057  scan_usb_bus for USB2 port 8 done

  752 13:51:57.236007  scan_bus: scanning of bus USB2 port 8 took 8962 usecs

  753 13:51:57.239053  scan_usb_bus for USB0 port 0 done

  754 13:51:57.242557  scan_bus: scanning of bus USB0 port 0 took 90930 usecs

  755 13:51:57.245710  scan_usb_bus for PCI: 00:14.0 done

  756 13:51:57.252005  scan_bus: scanning of bus PCI: 00:14.0 took 107709 usecs

  757 13:51:57.255541  PCI: 00:15.0 scanning...

  758 13:51:57.258610  scan_generic_bus for PCI: 00:15.0

  759 13:51:57.262138  bus: PCI: 00:15.0[0]->I2C: 01:5c enabled

  760 13:51:57.265533  scan_generic_bus for PCI: 00:15.0 done

  761 13:51:57.271935  scan_bus: scanning of bus PCI: 00:15.0 took 14155 usecs

  762 13:51:57.275362  PCI: 00:15.1 scanning...

  763 13:51:57.278763  scan_generic_bus for PCI: 00:15.1

  764 13:51:57.281840  bus: PCI: 00:15.1[0]->I2C: 02:15 enabled

  765 13:51:57.285448  scan_generic_bus for PCI: 00:15.1 done

  766 13:51:57.291733  scan_bus: scanning of bus PCI: 00:15.1 took 14144 usecs

  767 13:51:57.295214  PCI: 00:19.1 scanning...

  768 13:51:57.298516  scan_generic_bus for PCI: 00:19.1

  769 13:51:57.302018  bus: PCI: 00:19.1[0]->I2C: 03:39 enabled

  770 13:51:57.304956  bus: PCI: 00:19.1[0]->I2C: 03:3a enabled

  771 13:51:57.308298  bus: PCI: 00:19.1[0]->I2C: 03:1a enabled

  772 13:51:57.315013  scan_generic_bus for PCI: 00:19.1 done

  773 13:51:57.318432  scan_bus: scanning of bus PCI: 00:19.1 took 22367 usecs

  774 13:51:57.321467  PCI: 00:1c.0 scanning...

  775 13:51:57.325018  do_pci_scan_bridge for PCI: 00:1c.0

  776 13:51:57.328525  PCI: pci_scan_bus for bus 01

  777 13:51:57.331563  PCI: 01:00.0 [8086/095a] enabled

  778 13:51:57.335016  Capability: type 0x01 @ 0xc8

  779 13:51:57.338106  Capability: type 0x05 @ 0xd0

  780 13:51:57.341525  Capability: type 0x10 @ 0x40

  781 13:51:57.345017  Capability: type 0x10 @ 0x40

  782 13:51:57.348065  Enabling Common Clock Configuration

  783 13:51:57.351642  L1 Sub-State supported from root port 28

  784 13:51:57.354526  L1 Sub-State Support = 0xf

  785 13:51:57.357988  CommonModeRestoreTime = 0x28

  786 13:51:57.361520  Power On Value = 0x1e, Power On Scale = 0x0

  787 13:51:57.364626  ASPM: Enabled L1

  788 13:51:57.368122  Capability: type 0x01 @ 0xc8

  789 13:51:57.368223  Capability: type 0x05 @ 0xd0

  790 13:51:57.371513  Capability: type 0x10 @ 0x40

  791 13:51:57.377980  scan_bus: scanning of bus PCI: 00:1c.0 took 53510 usecs

  792 13:51:57.381064  PCI: 00:1e.2 scanning...

  793 13:51:57.384531  scan_generic_bus for PCI: 00:1e.2

  794 13:51:57.387686  bus: PCI: 00:1e.2[0]->SPI: 00 enabled

  795 13:51:57.391020  scan_generic_bus for PCI: 00:1e.2 done

  796 13:51:57.397432  scan_bus: scanning of bus PCI: 00:1e.2 took 13854 usecs

  797 13:51:57.400847  PCI: 00:1f.0 scanning...

  798 13:51:57.404452  scan_lpc_bus for PCI: 00:1f.0

  799 13:51:57.404544  PNP: 0c09.0 enabled

  800 13:51:57.407777  scan_lpc_bus for PCI: 00:1f.0 done

  801 13:51:57.414090  scan_bus: scanning of bus PCI: 00:1f.0 took 11324 usecs

  802 13:51:57.417524  PCI: 00:1f.2 scanning...

  803 13:51:57.420900  scan_lpc_bus for PCI: 00:1f.2

  804 13:51:57.424237  scan_lpc_bus for PCI: 00:1f.2 done

  805 13:51:57.427564  scan_bus: scanning of bus PCI: 00:1f.2 took 9268 usecs

  806 13:51:57.431037  PCI: 00:1f.3 scanning...

  807 13:51:57.437210  scan_bus: scanning of bus PCI: 00:1f.3 took 2718 usecs

  808 13:51:57.440659  PCI: 00:1f.4 scanning...

  809 13:51:57.444189  scan_generic_bus for PCI: 00:1f.4

  810 13:51:57.447255  scan_generic_bus for PCI: 00:1f.4 done

  811 13:51:57.454226  scan_bus: scanning of bus PCI: 00:1f.4 took 10047 usecs

  812 13:51:57.454302  PCI: 00:1f.5 scanning...

  813 13:51:57.457204  scan_generic_bus for PCI: 00:1f.5

  814 13:51:57.464169  scan_generic_bus for PCI: 00:1f.5 done

  815 13:51:57.467151  scan_bus: scanning of bus PCI: 00:1f.5 took 10047 usecs

  816 13:51:57.474179  scan_bus: scanning of bus DOMAIN: 0000 took 465974 usecs

  817 13:51:57.477237  root_dev_scan_bus for Root Device done

  818 13:51:57.484134  scan_bus: scanning of bus Root Device took 486077 usecs

  819 13:51:57.484216  done

  820 13:51:57.487616  Chrome EC: UHEPI supported

  821 13:51:57.494568  FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes)

  822 13:51:57.501305  MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'.

  823 13:51:57.507490  SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000

  824 13:51:57.514102  FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes)

  825 13:51:57.517635  SPI flash protection: WPSW=1 SRP0=0

  826 13:51:57.524197  MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'.

  827 13:51:57.530899  BS: BS_DEV_ENUMERATE times (us): entry 0 run 825848 exit 39265

  828 13:51:57.530978  found VGA at PCI: 00:02.0

  829 13:51:57.534077  Setting up VGA for PCI: 00:02.0

  830 13:51:57.540671  Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000

  831 13:51:57.544016  Setting PCI_BRIDGE_CTL_VGA for bridge Root Device

  832 13:51:57.547567  Allocating resources...

  833 13:51:57.550566  Reading resources...

  834 13:51:57.554022  Root Device read_resources bus 0 link: 0

  835 13:51:57.557499  CPU_CLUSTER: 0 read_resources bus 0 link: 0

  836 13:51:57.564057  CPU_CLUSTER: 0 read_resources bus 0 link: 0 done

  837 13:51:57.567033  DOMAIN: 0000 read_resources bus 0 link: 0

  838 13:51:57.574201  PCI: 00:14.0 read_resources bus 0 link: 0

  839 13:51:57.577046  USB0 port 0 read_resources bus 0 link: 0

  840 13:51:57.583949  USB0 port 0 read_resources bus 0 link: 0 done

  841 13:51:57.587036  PCI: 00:14.0 read_resources bus 0 link: 0 done

  842 13:51:57.594101  PCI: 00:15.0 read_resources bus 1 link: 0

  843 13:51:57.596993  PCI: 00:15.0 read_resources bus 1 link: 0 done

  844 13:51:57.600533  PCI: 00:15.1 read_resources bus 2 link: 0

  845 13:51:57.607258  PCI: 00:15.1 read_resources bus 2 link: 0 done

  846 13:51:57.610494  PCI: 00:19.1 read_resources bus 3 link: 0

  847 13:51:57.617378  PCI: 00:19.1 read_resources bus 3 link: 0 done

  848 13:51:57.621025  PCI: 00:1c.0 read_resources bus 1 link: 0

  849 13:51:57.627489  PCI: 00:1c.0 read_resources bus 1 link: 0 done

  850 13:51:57.631037  PCI: 00:1e.2 read_resources bus 4 link: 0

  851 13:51:57.637437  PCI: 00:1e.2 read_resources bus 4 link: 0 done

  852 13:51:57.640916  PCI: 00:1f.0 read_resources bus 0 link: 0

  853 13:51:57.647183  PCI: 00:1f.0 read_resources bus 0 link: 0 done

  854 13:51:57.650587  DOMAIN: 0000 read_resources bus 0 link: 0 done

  855 13:51:57.657155  Root Device read_resources bus 0 link: 0 done

  856 13:51:57.660808  Done reading resources.

  857 13:51:57.664301  Show resources in subtree (Root Device)...After reading.

  858 13:51:57.670751   Root Device child on link 0 CPU_CLUSTER: 0

  859 13:51:57.673750    CPU_CLUSTER: 0 child on link 0 APIC: 00

  860 13:51:57.673857     APIC: 00

  861 13:51:57.677138     APIC: 01

  862 13:51:57.677229     APIC: 03

  863 13:51:57.677287     APIC: 02

  864 13:51:57.683952    DOMAIN: 0000 child on link 0 PCI: 00:00.0

  865 13:51:57.693871    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000

  866 13:51:57.700627    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100

  867 13:51:57.703678     PCI: 00:00.0

  868 13:51:57.713861     PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0

  869 13:51:57.723559     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

  870 13:51:57.730162     PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2

  871 13:51:57.739898     PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3

  872 13:51:57.749888     PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4

  873 13:51:57.759699     PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5

  874 13:51:57.769680     PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6

  875 13:51:57.779686     PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7

  876 13:51:57.786735     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8

  877 13:51:57.796632     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9

  878 13:51:57.806184     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

  879 13:51:57.816385     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c

  880 13:51:57.826066     PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d

  881 13:51:57.835852     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e

  882 13:51:57.842715     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f

  883 13:51:57.846062     PCI: 00:02.0

  884 13:51:57.856013     PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10

  885 13:51:57.866086     PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18

  886 13:51:57.875738     PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20

  887 13:51:57.875819     PCI: 00:04.0

  888 13:51:57.885735     PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10

  889 13:51:57.888743     PCI: 00:08.0

  890 13:51:57.898689     PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  891 13:51:57.902218     PCI: 00:14.0 child on link 0 USB0 port 0

  892 13:51:57.912251     PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10

  893 13:51:57.915285      USB0 port 0 child on link 0 USB2 port 0

  894 13:51:57.918730       USB2 port 0

  895 13:51:57.918805       USB2 port 1

  896 13:51:57.922261       USB2 port 2

  897 13:51:57.922336       USB2 port 4

  898 13:51:57.925225       USB2 port 8

  899 13:51:57.925301     PCI: 00:14.1

  900 13:51:57.964108     PCI: 00:14.2

  901 13:51:57.964661     PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  902 13:51:57.965023     PCI: 00:15.0 child on link 0 I2C: 01:5c

  903 13:51:57.965093     PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  904 13:51:57.965180      I2C: 01:5c

  905 13:51:57.965235     PCI: 00:15.1 child on link 0 I2C: 02:15

  906 13:51:57.973650     PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  907 13:51:57.973728      I2C: 02:15

  908 13:51:57.976942     PCI: 00:15.2

  909 13:51:57.977017     PCI: 00:15.3

  910 13:51:57.977076     PCI: 00:16.0

  911 13:51:57.983316     PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  912 13:51:57.986816     PCI: 00:16.1

  913 13:51:57.986891     PCI: 00:16.2

  914 13:51:57.989993     PCI: 00:16.3

  915 13:51:57.990068     PCI: 00:16.4

  916 13:51:57.993038     PCI: 00:17.0

  917 13:51:57.993115     PCI: 00:19.0

  918 13:51:58.006629     PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10

  919 13:51:58.016229     PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  920 13:51:58.019717     PCI: 00:19.1 child on link 0 I2C: 03:39

  921 13:51:58.029657     PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  922 13:51:58.033053      I2C: 03:39

  923 13:51:58.033136      I2C: 03:3a

  924 13:51:58.033198      I2C: 03:1a

  925 13:51:58.036585     PCI: 00:19.2

  926 13:51:58.039580     PCI: 00:1c.0 child on link 0 PCI: 01:00.0

  927 13:51:58.049353     PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c

  928 13:51:58.059521     PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24

  929 13:51:58.069528     PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20

  930 13:51:58.069606      PCI: 01:00.0

  931 13:51:58.079570      PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10

  932 13:51:58.082800     PCI: 00:1c.1

  933 13:51:58.082876     PCI: 00:1c.2

  934 13:51:58.086191     PCI: 00:1c.3

  935 13:51:58.086267     PCI: 00:1c.4

  936 13:51:58.089210     PCI: 00:1c.5

  937 13:51:58.089287     PCI: 00:1c.6

  938 13:51:58.092768     PCI: 00:1c.7

  939 13:51:58.092844     PCI: 00:1d.0

  940 13:51:58.095718     PCI: 00:1d.1

  941 13:51:58.095795     PCI: 00:1d.2

  942 13:51:58.099186     PCI: 00:1d.3

  943 13:51:58.099277     PCI: 00:1e.0

  944 13:51:58.109034     PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  945 13:51:58.112643     PCI: 00:1e.1

  946 13:51:58.115641     PCI: 00:1e.2 child on link 0 SPI: 00

  947 13:51:58.125822     PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  948 13:51:58.125899      SPI: 00

  949 13:51:58.129380     PCI: 00:1e.3

  950 13:51:58.129456     PCI: 00:1e.4

  951 13:51:58.139264     PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  952 13:51:58.142270     PCI: 00:1e.5

  953 13:51:58.142346     PCI: 00:1e.6

  954 13:51:58.152596     PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  955 13:51:58.158674     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

  956 13:51:58.165725     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

  957 13:51:58.168639      PNP: 0c09.0

  958 13:51:58.175529      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

  959 13:51:58.178911     PCI: 00:1f.1

  960 13:51:58.179029     PCI: 00:1f.2

  961 13:51:58.188610     PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10

  962 13:51:58.198574     PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48

  963 13:51:58.208481     PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40

  964 13:51:58.208562     PCI: 00:1f.3

  965 13:51:58.218651     PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10

  966 13:51:58.228560     PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20

  967 13:51:58.231596     PCI: 00:1f.4

  968 13:51:58.238615     PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20

  969 13:51:58.248137     PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10

  970 13:51:58.251521     PCI: 00:1f.5

  971 13:51:58.261595     PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10

  972 13:51:58.261672     PCI: 00:1f.6

  973 13:51:58.268178  DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff

  974 13:51:58.274560  PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff

  975 13:51:58.281371  PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done

  976 13:51:58.284789  PCI: 00:02.0 20 *  [0x0 - 0x3f] io

  977 13:51:58.291458  DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done

  978 13:51:58.297910  DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff

  979 13:51:58.307750  PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff

  980 13:51:58.314582  PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done

  981 13:51:58.321050  PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff

  982 13:51:58.324185  PCI: 01:00.0 10 *  [0x0 - 0x1fff] mem

  983 13:51:58.334229  PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done

  984 13:51:58.337654  PCI: 00:02.0 18 *  [0x0 - 0xfffffff] prefmem

  985 13:51:58.344123  PCI: 00:02.0 10 *  [0x10000000 - 0x10ffffff] mem

  986 13:51:58.347595  PCI: 00:1c.0 20 *  [0x11000000 - 0x110fffff] mem

  987 13:51:58.354088  PCI: 00:14.0 10 *  [0x11100000 - 0x1110ffff] mem

  988 13:51:58.357690  PCI: 00:1f.3 20 *  [0x11110000 - 0x1111ffff] mem

  989 13:51:58.360697  PCI: 00:04.0 10 *  [0x11120000 - 0x11127fff] mem

  990 13:51:58.367198  PCI: 00:1f.2 10 *  [0x11128000 - 0x1112bfff] mem

  991 13:51:58.370656  PCI: 00:1f.3 10 *  [0x1112c000 - 0x1112ffff] mem

  992 13:51:58.377280  PCI: 00:08.0 10 *  [0x11130000 - 0x11130fff] mem

  993 13:51:58.380383  PCI: 00:14.2 10 *  [0x11131000 - 0x11131fff] mem

  994 13:51:58.387135  PCI: 00:15.0 10 *  [0x11132000 - 0x11132fff] mem

  995 13:51:58.390185  PCI: 00:15.1 10 *  [0x11133000 - 0x11133fff] mem

  996 13:51:58.397135  PCI: 00:16.0 10 *  [0x11134000 - 0x11134fff] mem

  997 13:51:58.400361  PCI: 00:19.0 18 *  [0x11135000 - 0x11135fff] mem

  998 13:51:58.407060  PCI: 00:19.1 10 *  [0x11136000 - 0x11136fff] mem

  999 13:51:58.410329  PCI: 00:1e.0 10 *  [0x11137000 - 0x11137fff] mem

 1000 13:51:58.417056  PCI: 00:1e.2 10 *  [0x11138000 - 0x11138fff] mem

 1001 13:51:58.419974  PCI: 00:1e.4 10 *  [0x11139000 - 0x11139fff] mem

 1002 13:51:58.426650  PCI: 00:1e.6 10 *  [0x1113a000 - 0x1113afff] mem

 1003 13:51:58.430094  PCI: 00:1f.5 10 *  [0x1113b000 - 0x1113bfff] mem

 1004 13:51:58.436744  PCI: 00:1f.4 10 *  [0x1113c000 - 0x1113c0ff] mem

 1005 13:51:58.443167  DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done

 1006 13:51:58.446652  avoid_fixed_resources: DOMAIN: 0000

 1007 13:51:58.453129  avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff

 1008 13:51:58.459904  avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff

 1009 13:51:58.466426  constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed)

 1010 13:51:58.473277  constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed)

 1011 13:51:58.483072  constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed)

 1012 13:51:58.489931  constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed)

 1013 13:51:58.496522  constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed)

 1014 13:51:58.506296  constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed)

 1015 13:51:58.513077  constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed)

 1016 13:51:58.519422  constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed)

 1017 13:51:58.526197  avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f

 1018 13:51:58.536071  avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff

 1019 13:51:58.536146  Setting resources...

 1020 13:51:58.542643  DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f

 1021 13:51:58.546233  PCI: 00:02.0 20 *  [0x1c00 - 0x1c3f] io

 1022 13:51:58.552548  DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done

 1023 13:51:58.559002  PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f

 1024 13:51:58.566019  PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done

 1025 13:51:58.572425  DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff

 1026 13:51:58.579063  PCI: 00:02.0 18 *  [0xc0000000 - 0xcfffffff] prefmem

 1027 13:51:58.582505  PCI: 00:02.0 10 *  [0xd0000000 - 0xd0ffffff] mem

 1028 13:51:58.589064  PCI: 00:1c.0 20 *  [0xd1000000 - 0xd10fffff] mem

 1029 13:51:58.591993  PCI: 00:14.0 10 *  [0xd1100000 - 0xd110ffff] mem

 1030 13:51:58.598760  PCI: 00:1f.3 20 *  [0xd1110000 - 0xd111ffff] mem

 1031 13:51:58.602111  PCI: 00:04.0 10 *  [0xd1120000 - 0xd1127fff] mem

 1032 13:51:58.608984  PCI: 00:1f.2 10 *  [0xd1128000 - 0xd112bfff] mem

 1033 13:51:58.612150  PCI: 00:1f.3 10 *  [0xd112c000 - 0xd112ffff] mem

 1034 13:51:58.618596  PCI: 00:08.0 10 *  [0xd1130000 - 0xd1130fff] mem

 1035 13:51:58.622031  PCI: 00:14.2 10 *  [0xd1131000 - 0xd1131fff] mem

 1036 13:51:58.628650  PCI: 00:15.0 10 *  [0xd1132000 - 0xd1132fff] mem

 1037 13:51:58.632145  PCI: 00:15.1 10 *  [0xd1133000 - 0xd1133fff] mem

 1038 13:51:58.638775  PCI: 00:16.0 10 *  [0xd1134000 - 0xd1134fff] mem

 1039 13:51:58.642156  PCI: 00:19.0 18 *  [0xd1135000 - 0xd1135fff] mem

 1040 13:51:58.645189  PCI: 00:19.1 10 *  [0xd1136000 - 0xd1136fff] mem

 1041 13:51:58.652346  PCI: 00:1e.0 10 *  [0xd1137000 - 0xd1137fff] mem

 1042 13:51:58.655258  PCI: 00:1e.2 10 *  [0xd1138000 - 0xd1138fff] mem

 1043 13:51:58.661812  PCI: 00:1e.4 10 *  [0xd1139000 - 0xd1139fff] mem

 1044 13:51:58.665251  PCI: 00:1e.6 10 *  [0xd113a000 - 0xd113afff] mem

 1045 13:51:58.671555  PCI: 00:1f.5 10 *  [0xd113b000 - 0xd113bfff] mem

 1046 13:51:58.675112  PCI: 00:1f.4 10 *  [0xd113c000 - 0xd113c0ff] mem

 1047 13:51:58.684981  DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done

 1048 13:51:58.691482  PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff

 1049 13:51:58.698499  PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done

 1050 13:51:58.705006  PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff

 1051 13:51:58.711269  PCI: 01:00.0 10 *  [0xd1000000 - 0xd1001fff] mem

 1052 13:51:58.718036  PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done

 1053 13:51:58.721642  Root Device assign_resources, bus 0 link: 0

 1054 13:51:58.727892  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1055 13:51:58.734699  PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64

 1056 13:51:58.744551  PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64

 1057 13:51:58.751272  PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io

 1058 13:51:58.757837  PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64

 1059 13:51:58.768153  PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64

 1060 13:51:58.774520  PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64

 1061 13:51:58.781351  PCI: 00:14.0 assign_resources, bus 0 link: 0

 1062 13:51:58.784741  PCI: 00:14.0 assign_resources, bus 0 link: 0

 1063 13:51:58.794702  PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64

 1064 13:51:58.801243  PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64

 1065 13:51:58.804584  PCI: 00:15.0 assign_resources, bus 1 link: 0

 1066 13:51:58.811146  PCI: 00:15.0 assign_resources, bus 1 link: 0

 1067 13:51:58.817609  PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64

 1068 13:51:58.824046  PCI: 00:15.1 assign_resources, bus 2 link: 0

 1069 13:51:58.827522  PCI: 00:15.1 assign_resources, bus 2 link: 0

 1070 13:51:58.833955  PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64

 1071 13:51:58.844202  PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64

 1072 13:51:58.850879  PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64

 1073 13:51:58.857525  PCI: 00:19.1 assign_resources, bus 3 link: 0

 1074 13:51:58.860707  PCI: 00:19.1 assign_resources, bus 3 link: 0

 1075 13:51:58.870597  PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io

 1076 13:51:58.876979  PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem

 1077 13:51:58.886999  PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem

 1078 13:51:58.890049  PCI: 00:1c.0 assign_resources, bus 1 link: 0

 1079 13:51:58.900206  PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64

 1080 13:51:58.903505  PCI: 00:1c.0 assign_resources, bus 1 link: 0

 1081 13:51:58.913397  PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64

 1082 13:51:58.920105  PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64

 1083 13:51:58.926484  PCI: 00:1e.2 assign_resources, bus 4 link: 0

 1084 13:51:58.929727  PCI: 00:1e.2 assign_resources, bus 4 link: 0

 1085 13:51:58.936756  PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64

 1086 13:51:58.946711  PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64

 1087 13:51:58.950150  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1088 13:51:58.956535  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1089 13:51:58.959940  LPC: Trying to open IO window from 800 size 1ff

 1090 13:51:58.969665  PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem

 1091 13:51:58.976568  PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64

 1092 13:51:58.982889  PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64

 1093 13:51:58.992995  PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64

 1094 13:51:58.999882  PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem

 1095 13:51:59.006423  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1096 13:51:59.009767  Root Device assign_resources, bus 0 link: 0

 1097 13:51:59.013131  Done setting resources.

 1098 13:51:59.019675  Show resources in subtree (Root Device)...After assigning values.

 1099 13:51:59.022792   Root Device child on link 0 CPU_CLUSTER: 0

 1100 13:51:59.026287    CPU_CLUSTER: 0 child on link 0 APIC: 00

 1101 13:51:59.029626     APIC: 00

 1102 13:51:59.029772     APIC: 01

 1103 13:51:59.032862     APIC: 03

 1104 13:51:59.032955     APIC: 02

 1105 13:51:59.036090    DOMAIN: 0000 child on link 0 PCI: 00:00.0

 1106 13:51:59.045848    DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000

 1107 13:51:59.056153    DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100

 1108 13:51:59.059146     PCI: 00:00.0

 1109 13:51:59.069361     PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0

 1110 13:51:59.079154     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

 1111 13:51:59.086036     PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2

 1112 13:51:59.095855     PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3

 1113 13:51:59.105978     PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4

 1114 13:51:59.115843     PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5

 1115 13:51:59.125514     PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6

 1116 13:51:59.135571     PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7

 1117 13:51:59.142123     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8

 1118 13:51:59.152140     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9

 1119 13:51:59.162183     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

 1120 13:51:59.172266     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c

 1121 13:51:59.182138     PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d

 1122 13:51:59.192009     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e

 1123 13:51:59.198673     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f

 1124 13:51:59.201703     PCI: 00:02.0

 1125 13:51:59.211758     PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10

 1126 13:51:59.221616     PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18

 1127 13:51:59.231697     PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20

 1128 13:51:59.234787     PCI: 00:04.0

 1129 13:51:59.244693     PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10

 1130 13:51:59.244792     PCI: 00:08.0

 1131 13:51:59.254900     PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10

 1132 13:51:59.261368     PCI: 00:14.0 child on link 0 USB0 port 0

 1133 13:51:59.271170     PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10

 1134 13:51:59.274704      USB0 port 0 child on link 0 USB2 port 0

 1135 13:51:59.278176       USB2 port 0

 1136 13:51:59.278269       USB2 port 1

 1137 13:51:59.281616       USB2 port 2

 1138 13:51:59.281712       USB2 port 4

 1139 13:51:59.284758       USB2 port 8

 1140 13:51:59.284848     PCI: 00:14.1

 1141 13:51:59.288101     PCI: 00:14.2

 1142 13:51:59.297881     PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10

 1143 13:51:59.301380     PCI: 00:15.0 child on link 0 I2C: 01:5c

 1144 13:51:59.311038     PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10

 1145 13:51:59.314711      I2C: 01:5c

 1146 13:51:59.317658     PCI: 00:15.1 child on link 0 I2C: 02:15

 1147 13:51:59.327480     PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10

 1148 13:51:59.331039      I2C: 02:15

 1149 13:51:59.331134     PCI: 00:15.2

 1150 13:51:59.334071     PCI: 00:15.3

 1151 13:51:59.334162     PCI: 00:16.0

 1152 13:51:59.344215     PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10

 1153 13:51:59.347664     PCI: 00:16.1

 1154 13:51:59.347758     PCI: 00:16.2

 1155 13:51:59.350693     PCI: 00:16.3

 1156 13:51:59.350786     PCI: 00:16.4

 1157 13:51:59.354134     PCI: 00:17.0

 1158 13:51:59.354237     PCI: 00:19.0

 1159 13:51:59.367427     PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10

 1160 13:51:59.377016     PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18

 1161 13:51:59.380548     PCI: 00:19.1 child on link 0 I2C: 03:39

 1162 13:51:59.390675     PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10

 1163 13:51:59.394039      I2C: 03:39

 1164 13:51:59.394108      I2C: 03:3a

 1165 13:51:59.394168      I2C: 03:1a

 1166 13:51:59.397027     PCI: 00:19.2

 1167 13:51:59.400198     PCI: 00:1c.0 child on link 0 PCI: 01:00.0

 1168 13:51:59.410389     PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c

 1169 13:51:59.420028     PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24

 1170 13:51:59.430134     PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20

 1171 13:51:59.433640      PCI: 01:00.0

 1172 13:51:59.443533      PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10

 1173 13:51:59.443719     PCI: 00:1c.1

 1174 13:51:59.446575     PCI: 00:1c.2

 1175 13:51:59.446669     PCI: 00:1c.3

 1176 13:51:59.450245     PCI: 00:1c.4

 1177 13:51:59.450358     PCI: 00:1c.5

 1178 13:51:59.453275     PCI: 00:1c.6

 1179 13:51:59.453372     PCI: 00:1c.7

 1180 13:51:59.456450     PCI: 00:1d.0

 1181 13:51:59.456546     PCI: 00:1d.1

 1182 13:51:59.460067     PCI: 00:1d.2

 1183 13:51:59.460194     PCI: 00:1d.3

 1184 13:51:59.463119     PCI: 00:1e.0

 1185 13:51:59.473294     PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10

 1186 13:51:59.476710     PCI: 00:1e.1

 1187 13:51:59.480189     PCI: 00:1e.2 child on link 0 SPI: 00

 1188 13:51:59.489951     PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10

 1189 13:51:59.490031      SPI: 00

 1190 13:51:59.493066     PCI: 00:1e.3

 1191 13:51:59.493198     PCI: 00:1e.4

 1192 13:51:59.503191     PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10

 1193 13:51:59.506740     PCI: 00:1e.5

 1194 13:51:59.506810     PCI: 00:1e.6

 1195 13:51:59.516480     PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10

 1196 13:51:59.522867     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

 1197 13:51:59.529528     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

 1198 13:51:59.532735      PNP: 0c09.0

 1199 13:51:59.543014      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1200 13:51:59.543111     PCI: 00:1f.1

 1201 13:51:59.546212     PCI: 00:1f.2

 1202 13:51:59.556134     PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10

 1203 13:51:59.566230     PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48

 1204 13:51:59.572739     PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40

 1205 13:51:59.575993     PCI: 00:1f.3

 1206 13:51:59.586036     PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10

 1207 13:51:59.595621     PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20

 1208 13:51:59.599079     PCI: 00:1f.4

 1209 13:51:59.605602     PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20

 1210 13:51:59.615984     PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10

 1211 13:51:59.619008     PCI: 00:1f.5

 1212 13:51:59.629097     PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10

 1213 13:51:59.629198     PCI: 00:1f.6

 1214 13:51:59.632488  Done allocating resources.

 1215 13:51:59.638889  BS: BS_DEV_RESOURCES times (us): entry 0 run 2114293 exit 30

 1216 13:51:59.642334  Enabling resources...

 1217 13:51:59.645636  PCI: 00:00.0 subsystem <- 8086/590c

 1218 13:51:59.648855  PCI: 00:00.0 cmd <- 06

 1219 13:51:59.652245  PCI: 00:02.0 subsystem <- 8086/591c

 1220 13:51:59.655658  PCI: 00:02.0 cmd <- 03

 1221 13:51:59.655750  PCI: 00:04.0 cmd <- 02

 1222 13:51:59.658754  PCI: 00:08.0 cmd <- 06

 1223 13:51:59.662227  PCI: 00:14.0 subsystem <- 8086/9d2f

 1224 13:51:59.665676  PCI: 00:14.0 cmd <- 02

 1225 13:51:59.668604  PCI: 00:14.2 subsystem <- 8086/9d31

 1226 13:51:59.672100  PCI: 00:14.2 cmd <- 02

 1227 13:51:59.675162  PCI: 00:15.0 subsystem <- 8086/9d60

 1228 13:51:59.678650  PCI: 00:15.0 cmd <- 06

 1229 13:51:59.682187  PCI: 00:15.1 subsystem <- 8086/9d61

 1230 13:51:59.685335  PCI: 00:15.1 cmd <- 06

 1231 13:51:59.688458  PCI: 00:16.0 subsystem <- 8086/9d3a

 1232 13:51:59.688534  PCI: 00:16.0 cmd <- 02

 1233 13:51:59.695000  PCI: 00:19.0 subsystem <- 8086/9d66

 1234 13:51:59.695077  PCI: 00:19.0 cmd <- 06

 1235 13:51:59.698228  PCI: 00:19.1 subsystem <- 8086/9d65

 1236 13:51:59.701625  PCI: 00:19.1 cmd <- 06

 1237 13:51:59.705253  PCI: 00:1c.0 bridge ctrl <- 0003

 1238 13:51:59.708172  PCI: 00:1c.0 subsystem <- 8086/9d10

 1239 13:51:59.711604  PCI: 00:1c.0 cmd <- 06

 1240 13:51:59.715156  PCI: 00:1e.0 subsystem <- 8086/9d27

 1241 13:51:59.718286  PCI: 00:1e.0 cmd <- 06

 1242 13:51:59.721430  PCI: 00:1e.2 subsystem <- 8086/9d29

 1243 13:51:59.724846  PCI: 00:1e.2 cmd <- 06

 1244 13:51:59.728060  PCI: 00:1e.4 subsystem <- 8086/9d2b

 1245 13:51:59.731276  PCI: 00:1e.4 cmd <- 06

 1246 13:51:59.734715  PCI: 00:1e.6 subsystem <- 8086/9d2d

 1247 13:51:59.734791  PCI: 00:1e.6 cmd <- 06

 1248 13:51:59.741415  PCI: 00:1f.0 subsystem <- 8086/9d4b

 1249 13:51:59.741505  PCI: 00:1f.0 cmd <- 407

 1250 13:51:59.744617  PCI: 00:1f.2 subsystem <- 8086/9d21

 1251 13:51:59.747565  PCI: 00:1f.2 cmd <- 02

 1252 13:51:59.751074  PCI: 00:1f.3 subsystem <- 8086/9d71

 1253 13:51:59.754292  PCI: 00:1f.3 cmd <- 02

 1254 13:51:59.757586  PCI: 00:1f.4 subsystem <- 8086/9d23

 1255 13:51:59.761100  PCI: 00:1f.4 cmd <- 03

 1256 13:51:59.764199  PCI: 00:1f.5 subsystem <- 8086/9d24

 1257 13:51:59.767692  PCI: 00:1f.5 cmd <- 406

 1258 13:51:59.774744  PCI: 01:00.0 subsystem <- 8086/095a

 1259 13:51:59.774820  PCI: 01:00.0 cmd <- 02

 1260 13:51:59.778834  done.

 1261 13:51:59.795992  ME: Version : 11.8.50.3470

 1262 13:51:59.802843  BS: BS_DEV_ENABLE times (us): entry 229 run 139354 exit 18916

 1263 13:51:59.806036  Initializing devices...

 1264 13:51:59.809005  Root Device init ...

 1265 13:51:59.812420  Chrome EC: Set SMI mask to 0x0000000000000001

 1266 13:51:59.820142  Chrome EC: Set S5 LAZY WAKE mask to 0x0000000000000006

 1267 13:51:59.827397  Chrome EC: Set S3 LAZY WAKE mask to 0x0000000010001006

 1268 13:51:59.830480  Chrome EC: Set S0iX LAZY WAKE mask to 0x0000000010001006

 1269 13:51:59.837305  Chrome EC: Set WAKE mask to 0x0000000000000000

 1270 13:51:59.840713  Root Device init finished in 31712 usecs

 1271 13:51:59.844159  CPU_CLUSTER: 0 init ...

 1272 13:51:59.847087  CPU_CLUSTER: 0 init finished in 2444 usecs

 1273 13:51:59.850974  PCI: 00:00.0 init ...

 1274 13:51:59.854511  CPU TDP: 5 Watts

 1275 13:51:59.857832  CPU PL2 = 18 Watts

 1276 13:51:59.861119  PCI: 00:00.0 init finished in 6976 usecs

 1277 13:51:59.864396  PCI: 00:02.0 init ...

 1278 13:51:59.867665  PCI: 00:02.0 init finished in 2250 usecs

 1279 13:51:59.871118  PCI: 00:04.0 init ...

 1280 13:51:59.874555  PCI: 00:04.0 init finished in 2249 usecs

 1281 13:51:59.874632  PCI: 00:08.0 init ...

 1282 13:51:59.881098  PCI: 00:08.0 init finished in 2249 usecs

 1283 13:51:59.881198  PCI: 00:14.0 init ...

 1284 13:51:59.887576  PCI: 00:14.0 init finished in 2248 usecs

 1285 13:51:59.891068  PCI: 00:14.2 init ...

 1286 13:51:59.894342  PCI: 00:14.2 init finished in 2248 usecs

 1287 13:51:59.894418  PCI: 00:15.0 init ...

 1288 13:51:59.901043  DW I2C bus 0 at 0xd1132000 (400 KHz)

 1289 13:51:59.904474  PCI: 00:15.0 init finished in 5966 usecs

 1290 13:51:59.907870  PCI: 00:15.1 init ...

 1291 13:51:59.910722  DW I2C bus 1 at 0xd1133000 (400 KHz)

 1292 13:51:59.914369  PCI: 00:15.1 init finished in 5967 usecs

 1293 13:51:59.917575  PCI: 00:16.0 init ...

 1294 13:51:59.921043  PCI: 00:16.0 init finished in 2249 usecs

 1295 13:51:59.924511  PCI: 00:19.1 init ...

 1296 13:51:59.927623  DW I2C bus 5 at 0xd1136000 (400 KHz)

 1297 13:51:59.934000  PCI: 00:19.1 init finished in 5960 usecs

 1298 13:51:59.934077  PCI: 00:1c.0 init ...

 1299 13:51:59.937498  Initializing PCH PCIe bridge.

 1300 13:51:59.941002  PCI: 00:1c.0 init finished in 5289 usecs

 1301 13:51:59.947721  PCI: 00:1e.4 init ...

 1302 13:51:59.950866  PCI: 00:1e.4 init finished in 2248 usecs

 1303 13:51:59.954754  PCI: 00:1f.0 init ...

 1304 13:51:59.958165  IOAPIC: Initializing IOAPIC at 0xfec00000

 1305 13:51:59.964800  IOAPIC: Bootstrap Processor Local APIC = 0x00

 1306 13:51:59.964894  IOAPIC: ID = 0x02

 1307 13:51:59.968171  IOAPIC: Dumping registers

 1308 13:51:59.971499    reg 0x0000: 0x02000000

 1309 13:51:59.974719    reg 0x0001: 0x00770020

 1310 13:51:59.974791    reg 0x0002: 0x00000000

 1311 13:51:59.981618  PCI: 00:1f.0 init finished in 23533 usecs

 1312 13:51:59.985087  PCI: 00:1f.2 init ...

 1313 13:51:59.985190  RTC Init

 1314 13:51:59.988186  Set power on after power failure.

 1315 13:51:59.991645  Disabling ACPI via APMC:

 1316 13:51:59.995697  done.

 1317 13:51:59.995785  Disabling Deep S3

 1318 13:51:59.999548  Disabling Deep S3

 1319 13:51:59.999639  Enabling Deep S4

 1320 13:52:00.003040  Enabling Deep S4

 1321 13:52:00.003117  Enabling Deep S5

 1322 13:52:00.006652  Enabling Deep S5

 1323 13:52:00.009636  PCI: 00:1f.2 init finished in 23806 usecs

 1324 13:52:00.013043  PCI: 00:1f.4 init ...

 1325 13:52:00.016123  PCI: 00:1f.4 init finished in 2258 usecs

 1326 13:52:00.020908  PCI: 01:00.0 init ...

 1327 13:52:00.024049  PCI: 01:00.0 init finished in 2395 usecs

 1328 13:52:00.027841  PNP: 0c09.0 init ...

 1329 13:52:00.034572  Google Chrome EC: Hello got back 11223344 status (0)

 1330 13:52:00.038091  Google Chrome EC: version:

 1331 13:52:00.041007      ro: rammus_v2.0.387-f0df0fe2e

 1332 13:52:00.044467      rw: rammus_v2.0.425-6e0dd622e

 1333 13:52:00.048007    running image: 1

 1334 13:52:00.051573  EC returned error result code 1

 1335 13:52:00.055196  PNP: 0c09.0 init finished in 24453 usecs

 1336 13:52:00.058035  Devices initialized

 1337 13:52:00.058131  Show all devs... After init.

 1338 13:52:00.061469  Root Device: enabled 1

 1339 13:52:00.064596  CPU_CLUSTER: 0: enabled 1

 1340 13:52:00.068190  DOMAIN: 0000: enabled 1

 1341 13:52:00.068259  APIC: 00: enabled 1

 1342 13:52:00.071247  PCI: 00:00.0: enabled 1

 1343 13:52:00.074678  PCI: 00:02.0: enabled 1

 1344 13:52:00.077994  PCI: 00:14.0: enabled 1

 1345 13:52:00.078060  PCI: 00:14.1: enabled 0

 1346 13:52:00.081232  PCI: 00:14.2: enabled 1

 1347 13:52:00.084645  PCI: 00:15.0: enabled 1

 1348 13:52:00.084734  PCI: 00:15.1: enabled 1

 1349 13:52:00.088204  PCI: 00:15.2: enabled 0

 1350 13:52:00.091209  PCI: 00:15.3: enabled 0

 1351 13:52:00.094656  PCI: 00:16.0: enabled 1

 1352 13:52:00.094722  PCI: 00:16.1: enabled 0

 1353 13:52:00.097660  PCI: 00:16.2: enabled 0

 1354 13:52:00.101102  PCI: 00:16.3: enabled 0

 1355 13:52:00.104676  PCI: 00:16.4: enabled 0

 1356 13:52:00.104745  PCI: 00:17.0: enabled 0

 1357 13:52:00.107620  PCI: 00:19.0: enabled 1

 1358 13:52:00.111109  PCI: 00:19.1: enabled 1

 1359 13:52:00.114625  PCI: 00:19.2: enabled 0

 1360 13:52:00.114691  PCI: 00:1c.0: enabled 1

 1361 13:52:00.117706  PCI: 00:1c.1: enabled 0

 1362 13:52:00.121156  PCI: 00:1c.2: enabled 0

 1363 13:52:00.121236  PCI: 00:1c.3: enabled 0

 1364 13:52:00.124774  PCI: 00:1c.4: enabled 0

 1365 13:52:00.128127  PCI: 00:1c.5: enabled 0

 1366 13:52:00.131330  PCI: 00:1c.6: enabled 0

 1367 13:52:00.131398  PCI: 00:1c.7: enabled 0

 1368 13:52:00.134760  PCI: 00:1d.0: enabled 0

 1369 13:52:00.138084  PCI: 00:1d.1: enabled 0

 1370 13:52:00.141602  PCI: 00:1d.2: enabled 0

 1371 13:52:00.141668  PCI: 00:1d.3: enabled 0

 1372 13:52:00.144668  PCI: 00:1e.0: enabled 1

 1373 13:52:00.147922  PCI: 00:1e.1: enabled 0

 1374 13:52:00.148011  PCI: 00:1e.2: enabled 1

 1375 13:52:00.151541  PCI: 00:1e.3: enabled 0

 1376 13:52:00.154668  PCI: 00:1e.4: enabled 1

 1377 13:52:00.158155  PCI: 00:1e.5: enabled 0

 1378 13:52:00.158334  PCI: 00:1e.6: enabled 1

 1379 13:52:00.161464  PCI: 00:1f.0: enabled 1

 1380 13:52:00.164683  PCI: 00:1f.1: enabled 0

 1381 13:52:00.168084  PCI: 00:1f.2: enabled 1

 1382 13:52:00.168198  PCI: 00:1f.3: enabled 1

 1383 13:52:00.171075  PCI: 00:1f.4: enabled 1

 1384 13:52:00.174542  PCI: 00:1f.5: enabled 1

 1385 13:52:00.174647  PCI: 00:1f.6: enabled 0

 1386 13:52:00.177603  USB0 port 0: enabled 1

 1387 13:52:00.181113  I2C: 01:5c: enabled 1

 1388 13:52:00.184430  I2C: 02:15: enabled 1

 1389 13:52:00.184528  I2C: 03:39: enabled 1

 1390 13:52:00.187857  I2C: 03:3a: enabled 1

 1391 13:52:00.190885  I2C: 03:1a: enabled 1

 1392 13:52:00.190965  PCI: 01:00.0: enabled 1

 1393 13:52:00.194568  SPI: 00: enabled 1

 1394 13:52:00.197597  PNP: 0c09.0: enabled 1

 1395 13:52:00.197657  USB2 port 0: enabled 1

 1396 13:52:00.201118  USB2 port 1: enabled 1

 1397 13:52:00.204107  USB2 port 2: enabled 1

 1398 13:52:00.204177  USB2 port 4: enabled 1

 1399 13:52:00.207331  USB2 port 8: enabled 1

 1400 13:52:00.210933  APIC: 01: enabled 1

 1401 13:52:00.211026  APIC: 03: enabled 1

 1402 13:52:00.213975  APIC: 02: enabled 1

 1403 13:52:00.217362  PCI: 00:04.0: enabled 1

 1404 13:52:00.217436  PCI: 00:08.0: enabled 1

 1405 13:52:00.225019  FMAP: area RW_ELOG found @ 9f0000 (16384 bytes)

 1406 13:52:00.228015  ELOG: NV offset 0x9f0000 size 0x4000

 1407 13:52:00.235184  ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024

 1408 13:52:00.241855  ELOG: Event(17) added with size 13 at 2024-07-18 13:51:50 UTC

 1409 13:52:00.248563  ELOG: Event(92) added with size 9 at 2024-07-18 13:51:50 UTC

 1410 13:52:00.255204  ELOG: Event(AD) added with size 10 at 2024-07-18 13:51:50 UTC

 1411 13:52:00.261821  ELOG: Event(9F) added with size 14 at 2024-07-18 13:51:50 UTC

 1412 13:52:00.268183  BS: BS_DEV_INIT times (us): entry 0 run 418044 exit 42560

 1413 13:52:00.274862  ELOG: Event(A1) added with size 10 at 2024-07-18 13:51:50 UTC

 1414 13:52:00.281519  elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x02

 1415 13:52:00.287978  ELOG: Event(A0) added with size 9 at 2024-07-18 13:51:50 UTC

 1416 13:52:00.291387  elog_add_boot_reason: Logged dev mode boot

 1417 13:52:00.294743  Finalize devices...

 1418 13:52:00.298277  Devices finalized

 1419 13:52:00.301394  FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes)

 1420 13:52:00.308035  BS: BS_POST_DEVICE times (us): entry 25566 run 3969 exit 5163

 1421 13:52:00.314842  BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0

 1422 13:52:00.321303  ELOG: Event(91) added with size 10 at 2024-07-18 13:51:50 UTC

 1423 13:52:00.324900  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1424 13:52:00.328085  CBFS: Locating 'fallback/dsdt.aml'

 1425 13:52:00.335092  CBFS: Found @ offset 19af40 size 4691

 1426 13:52:00.341637  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1427 13:52:00.341704  CBFS: Locating 'fallback/slic'

 1428 13:52:00.346978  CBFS: 'fallback/slic' not found.

 1429 13:52:00.353777  ACPI: Writing ACPI tables at 7aa9a000.

 1430 13:52:00.353845  ACPI:    * FACS

 1431 13:52:00.356825  ACPI:    * DSDT

 1432 13:52:00.360437  Ramoops buffer: 0x100000@0x7a999000.

 1433 13:52:00.363884  SGX: not enabled or not supported. skip gnvs fill

 1434 13:52:00.368533  ACPI:    * FADT

 1435 13:52:00.368597  SCI is IRQ9

 1436 13:52:00.375006  ACPI: added table 1/32, length now 40

 1437 13:52:00.375073  ACPI:     * SSDT

 1438 13:52:00.378313  Found 1 CPU(s) with 4 core(s) each.

 1439 13:52:00.385282  \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c

 1440 13:52:00.388689  \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15

 1441 13:52:00.395075  \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h

 1442 13:52:00.398388  \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah

 1443 13:52:00.408548  \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105

 1444 13:52:00.411508  Error: Could not locate 'wifi_sar' in VPD.

 1445 13:52:00.414927  Error: failed from getting SAR limits!

 1446 13:52:00.421690  \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0

 1447 13:52:00.425220  \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00

 1448 13:52:00.431343  \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0

 1449 13:52:00.438363  \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1

 1450 13:52:00.441516  \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2

 1451 13:52:00.448052  \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4

 1452 13:52:00.451430  \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8

 1453 13:52:00.454603  ACPI: added table 2/32, length now 44

 1454 13:52:00.458101  ACPI:    * MCFG

 1455 13:52:00.461425  ACPI: added table 3/32, length now 48

 1456 13:52:00.461493  ACPI:    * TPM2

 1457 13:52:00.468057  ACPI: added table 4/32, length now 52

 1458 13:52:00.468151  ACPI:    * MADT

 1459 13:52:00.471559  SCI is IRQ9

 1460 13:52:00.474639  ACPI: added table 5/32, length now 56

 1461 13:52:00.474730  current = 7aa9fa60

 1462 13:52:00.481289  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1463 13:52:00.484923  CBFS: Locating 'dmic-4ch-48khz-16b.bin'

 1464 13:52:00.488006  CBFS: Found @ offset 167000 size ba8

 1465 13:52:00.494890  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1466 13:52:00.501327  CBFS: Locating 'dmic-4ch-48khz-32b.bin'

 1467 13:52:00.504538  CBFS: Found @ offset 19f640 size ba8

 1468 13:52:00.511080  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1469 13:52:00.514593  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1470 13:52:00.518031  CBFS: Found @ offset 167cc0 size 64

 1471 13:52:00.524694  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1472 13:52:00.528153  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1473 13:52:00.531273  CBFS: Found @ offset 167cc0 size 64

 1474 13:52:00.537704  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1475 13:52:00.544449  CBFS: Locating 'max98927-render-2ch-48khz-24b.bin'

 1476 13:52:00.547757  CBFS: Found @ offset 167c00 size 64

 1477 13:52:00.551246  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1478 13:52:00.557569  CBFS: Locating 'max98927-render-2ch-48khz-16b.bin'

 1479 13:52:00.560753  CBFS: Found @ offset 103f00 size 64

 1480 13:52:00.567744  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1481 13:52:00.570785  CBFS: Locating 'max98927-render-2ch-48khz-16b.bin'

 1482 13:52:00.577482  CBFS: Found @ offset 103f00 size 64

 1483 13:52:00.577560  ACPI:    * NHLT

 1484 13:52:00.580704  ACPI: added table 6/32, length now 60

 1485 13:52:00.584179  ACPI:    * DMAR

 1486 13:52:00.587452  ACPI: added table 7/32, length now 64

 1487 13:52:00.587529  ACPI: * IGD OpRegion

 1488 13:52:00.591188  GMA: Found VBT in CBFS

 1489 13:52:00.593919  GMA: Found valid VBT in CBFS

 1490 13:52:00.597322  current = 7aaa3610

 1491 13:52:00.600494  ACPI: added table 8/32, length now 68

 1492 13:52:00.600594  ACPI:    * HPET

 1493 13:52:00.603971  ACPI: added table 9/32, length now 72

 1494 13:52:00.607472  ACPI: done.

 1495 13:52:00.610607  ACPI tables: 38592 bytes.

 1496 13:52:00.614066  smbios_write_tables: 7a998000

 1497 13:52:00.614135  Create SMBIOS type 17

 1498 13:52:00.617157  PCI: 01:00.0 (Intel WiFi)

 1499 13:52:00.620735  SMBIOS tables: 662 bytes.

 1500 13:52:00.623574  Writing table forward entry at 0x00000500

 1501 13:52:00.630332  Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532

 1502 13:52:00.633716  Writing coreboot table at 0x7aabe000

 1503 13:52:00.640144   0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES

 1504 13:52:00.643721   1. 0000000000001000-000000000009ffff: RAM

 1505 13:52:00.650187   2. 00000000000a0000-00000000000fffff: RESERVED

 1506 13:52:00.653618   3. 0000000000100000-000000007a997fff: RAM

 1507 13:52:00.660360   4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES

 1508 13:52:00.663351   5. 000000007ab06000-000000007abcffff: RAMSTAGE

 1509 13:52:00.670019   6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES

 1510 13:52:00.673552   7. 000000007b000000-000000007fffffff: RESERVED

 1511 13:52:00.680140   8. 00000000e0000000-00000000e3ffffff: RESERVED

 1512 13:52:00.683408   9. 00000000fe000000-00000000fe00ffff: RESERVED

 1513 13:52:00.690187  10. 00000000fed10000-00000000fed19fff: RESERVED

 1514 13:52:00.693383  11. 00000000fed80000-00000000fed84fff: RESERVED

 1515 13:52:00.700180  12. 00000000fed90000-00000000fed91fff: RESERVED

 1516 13:52:00.703263  13. 0000000100000000-000000017effffff: RAM

 1517 13:52:00.706473  Graphics framebuffer located at 0xc0000000

 1518 13:52:00.710109  Passing 6 GPIOs to payload:

 1519 13:52:00.716325              NAME |       PORT | POLARITY |     VALUE

 1520 13:52:00.719761     write protect |  undefined |     high |      high

 1521 13:52:00.726158          recovery |  undefined |     high |       low

 1522 13:52:00.733100               lid |  undefined |     high |      high

 1523 13:52:00.736598             power |  undefined |     high |       low

 1524 13:52:00.743034             oprom |  undefined |     high |       low

 1525 13:52:00.746163          EC in RW | 0x00000036 |     high |       low

 1526 13:52:00.750203  Board ID: 6

 1527 13:52:00.756708  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1528 13:52:00.763408  Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum da2a

 1529 13:52:00.763476  coreboot table: 1468 bytes.

 1530 13:52:00.766479  IMD ROOT    0. 7afff000 00001000

 1531 13:52:00.770007  IMD SMALL   1. 7affe000 00001000

 1532 13:52:00.773450  FSP MEMORY  2. 7abfe000 00400000

 1533 13:52:00.776480  CONSOLE     3. 7abde000 00020000

 1534 13:52:00.779957  TIME STAMP  4. 7abdd000 00000910

 1535 13:52:00.783464  VBOOT       5. 7abdc000 00000c0c

 1536 13:52:00.786455  MRC DATA    6. 7abda000 00001878

 1537 13:52:00.789943  ROMSTG STCK 7. 7abd9000 00000400

 1538 13:52:00.792941  AFTER CAR   8. 7abd0000 00009000

 1539 13:52:00.796646  RAMSTAGE    9. 7ab05000 000cb000

 1540 13:52:00.799602  REFCODE    10. 7aad6000 0002f000

 1541 13:52:00.802893  SMM BACKUP 11. 7aac6000 00010000

 1542 13:52:00.806220  COREBOOT   12. 7aabe000 00008000

 1543 13:52:00.809643  ACPI       13. 7aa9a000 00024000

 1544 13:52:00.812800  ACPI GNVS  14. 7aa99000 00001000

 1545 13:52:00.816176  RAMOOPS    15. 7a999000 00100000

 1546 13:52:00.819514  SMBIOS     16. 7a998000 00000800

 1547 13:52:00.822881  IMD small region:

 1548 13:52:00.826352    IMD ROOT    0. 7affec00 00000400

 1549 13:52:00.829849    FSP RUNTIME 1. 7affebe0 00000004

 1550 13:52:00.832758    VBOOT SEL   2. 7affebc0 00000008

 1551 13:52:00.836223    EC HOSTEVENT 3. 7affeba0 00000008

 1552 13:52:00.839463    POWER STATE 4. 7affeb60 00000040

 1553 13:52:00.842981    ROMSTAGE    5. 7affeb40 00000004

 1554 13:52:00.846457    MEM INFO    6. 7affe980 000001a9

 1555 13:52:00.849559    VPD         7. 7affe940 00000027

 1556 13:52:00.852858    COREBOOTFWD 8. 7affe900 00000028

 1557 13:52:00.855978  MTRR: Physical address space:

 1558 13:52:00.863100  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1559 13:52:00.869396  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1560 13:52:00.876000  0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6

 1561 13:52:00.882740  0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0

 1562 13:52:00.889329  0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1

 1563 13:52:00.895687  0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0

 1564 13:52:00.902097  0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6

 1565 13:52:00.905884  MTRR: Fixed MSR 0x250 0x0606060606060606

 1566 13:52:00.909133  MTRR: Fixed MSR 0x258 0x0606060606060606

 1567 13:52:00.912044  MTRR: Fixed MSR 0x259 0x0000000000000000

 1568 13:52:00.918987  MTRR: Fixed MSR 0x268 0x0606060606060606

 1569 13:52:00.922353  MTRR: Fixed MSR 0x269 0x0606060606060606

 1570 13:52:00.925592  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1571 13:52:00.928746  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1572 13:52:00.935016  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1573 13:52:00.938479  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1574 13:52:00.941900  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1575 13:52:00.945333  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1576 13:52:00.949326  call enable_fixed_mtrr()

 1577 13:52:00.952341  CPU physical address size: 39 bits

 1578 13:52:00.959241  MTRR: default type WB/UC MTRR counts: 6/5.

 1579 13:52:00.962713  MTRR: UC selected as default type.

 1580 13:52:00.969238  MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6

 1581 13:52:00.972570  MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0

 1582 13:52:00.979129  MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0

 1583 13:52:00.985633  MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1

 1584 13:52:00.992064  MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6

 1585 13:52:00.995949  

 1586 13:52:00.996014  MTRR check

 1587 13:52:00.999097  Fixed MTRRs   : Enabled

 1588 13:52:00.999169  Variable MTRRs: Enabled

 1589 13:52:00.999223  

 1590 13:52:01.005516  MTRR: Fixed MSR 0x250 0x0606060606060606

 1591 13:52:01.009114  MTRR: Fixed MSR 0x258 0x0606060606060606

 1592 13:52:01.012369  MTRR: Fixed MSR 0x259 0x0000000000000000

 1593 13:52:01.015693  MTRR: Fixed MSR 0x268 0x0606060606060606

 1594 13:52:01.022198  MTRR: Fixed MSR 0x269 0x0606060606060606

 1595 13:52:01.025714  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1596 13:52:01.029072  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1597 13:52:01.032169  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1598 13:52:01.038872  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1599 13:52:01.042159  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1600 13:52:01.045424  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1601 13:52:01.052456  BS: BS_WRITE_TABLES times (us): entry 6285 run 537264 exit 146852

 1602 13:52:01.056081  call enable_fixed_mtrr()

 1603 13:52:01.062485  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1604 13:52:01.066079  CPU physical address size: 39 bits

 1605 13:52:01.068978  CBFS: Locating 'fallback/payload'

 1606 13:52:01.072560  MTRR: Fixed MSR 0x250 0x0606060606060606

 1607 13:52:01.075889  MTRR: Fixed MSR 0x258 0x0606060606060606

 1608 13:52:01.082468  MTRR: Fixed MSR 0x259 0x0000000000000000

 1609 13:52:01.085924  MTRR: Fixed MSR 0x268 0x0606060606060606

 1610 13:52:01.089436  MTRR: Fixed MSR 0x269 0x0606060606060606

 1611 13:52:01.092533  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1612 13:52:01.099340  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1613 13:52:01.102189  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1614 13:52:01.105843  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1615 13:52:01.108688  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1616 13:52:01.112183  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1617 13:52:01.118774  MTRR: Fixed MSR 0x250 0x0606060606060606

 1618 13:52:01.122169  call enable_fixed_mtrr()

 1619 13:52:01.125360  MTRR: Fixed MSR 0x258 0x0606060606060606

 1620 13:52:01.128822  MTRR: Fixed MSR 0x259 0x0000000000000000

 1621 13:52:01.132232  MTRR: Fixed MSR 0x268 0x0606060606060606

 1622 13:52:01.138478  MTRR: Fixed MSR 0x269 0x0606060606060606

 1623 13:52:01.142061  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1624 13:52:01.145254  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1625 13:52:01.148744  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1626 13:52:01.155393  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1627 13:52:01.158412  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1628 13:52:01.161954  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1629 13:52:01.165022  CPU physical address size: 39 bits

 1630 13:52:01.168525  call enable_fixed_mtrr()

 1631 13:52:01.171657  CBFS: Found @ offset 223040 size 360b4

 1632 13:52:01.175101  CPU physical address size: 39 bits

 1633 13:52:01.182039  Checking segment from ROM address 0xfff23078

 1634 13:52:01.185087  Checking segment from ROM address 0xfff23094

 1635 13:52:01.191608  Loading segment from ROM address 0xfff23078

 1636 13:52:01.191678    code (compression=0)

 1637 13:52:01.201505    New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c

 1638 13:52:01.208136  Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c

 1639 13:52:01.211623  it's not compressed!

 1640 13:52:01.298582  [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0

 1641 13:52:01.305055  Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834

 1642 13:52:01.311455  Loading segment from ROM address 0xfff23094

 1643 13:52:01.311534    Entry Point 0x30104020

 1644 13:52:01.315121  Loaded segments

 1645 13:52:01.340122  Finalizing chipset.

 1646 13:52:01.347054  ME: Host Firmware Status Register 1 : 0x90000245

 1647 13:52:01.350146  ME: Host Firmware Status Register 2 : 0x60000306

 1648 13:52:01.356829  ME: Host Firmware Status Register 3 : 0x00000020

 1649 13:52:01.360136  ME: Host Firmware Status Register 4 : 0x00084000

 1650 13:52:01.363275  ME: Host Firmware Status Register 5 : 0x00000000

 1651 13:52:01.370112  ME: Host Firmware Status Register 6 : 0x40000002

 1652 13:52:01.373365  ME: FW Partition Table      : OK

 1653 13:52:01.376768  ME: Bringup Loader Failure  : NO

 1654 13:52:01.380213  ME: Firmware Init Complete  : YES

 1655 13:52:01.383180  ME: Manufacturing Mode      : NO

 1656 13:52:01.386626  ME: Boot Options Present    : NO

 1657 13:52:01.390170  ME: Update In Progress      : NO

 1658 13:52:01.393680  ME: D3 Support              : NO

 1659 13:52:01.396752  ME: D0i3 Support            : YES

 1660 13:52:01.400195  ME: Low Power State Enabled : YES

 1661 13:52:01.403671  ME: CPU Replaced            : NO

 1662 13:52:01.406658  ME: CPU Replacement Valid   : YES

 1663 13:52:01.410403  ME: Current Working State   : Normal

 1664 13:52:01.413620  ME: Current Operation State : M0 with UMA

 1665 13:52:01.416610  ME: Current Operation Mode  : Normal

 1666 13:52:01.423617  ME: Error Code              : No Error

 1667 13:52:01.426506  ME: Progress Phase          : Host Communication

 1668 13:52:01.433076  ME: Power Management Event  : Clean Moff->Mx wake

 1669 13:52:01.436615  ME: Progress Phase State    : Host communication established

 1670 13:52:01.440188  ME: Power Down Mitigation   : NO

 1671 13:52:01.443245  ME: FPF status              : fused

 1672 13:52:01.446624  Clearing MCA.

 1673 13:52:01.446699  Finalizing SMM.

 1674 13:52:01.453376  BS: BS_PAYLOAD_LOAD times (us): entry 602 run 262185 exit 134596

 1675 13:52:01.456425  mp_park_aps done after 0 msecs.

 1676 13:52:01.462987  Jumping to boot code at 30104020(7aabe000)

 1677 13:52:01.469537  CPU0: stack: 7ab46000 - 7ab47000, lowest used address 7ab46abc, stack used: 1348 bytes

 1678 13:52:01.469615  

 1679 13:52:01.469677  

 1680 13:52:01.469746  

 1681 13:52:01.472986  Starting depthcharge on rammus...

 1682 13:52:01.473084  

 1683 13:52:01.473453  end: 2.2.3 depthcharge-start (duration 00:00:08) [common]
 1684 13:52:01.473544  start: 2.2.4 bootloader-commands (timeout 00:04:43) [common]
 1685 13:52:01.473618  Setting prompt string to ['rammus:']
 1686 13:52:01.473689  bootloader-commands: Wait for prompt ['rammus:'] (timeout 00:04:43)
 1687 13:52:01.483198  WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime!

 1688 13:52:01.483274  

 1689 13:52:01.489314  WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime!

 1690 13:52:01.489390  

 1691 13:52:01.496062  The GBB signature is at 0x30004020 and is:  24 47 42 42

 1692 13:52:01.500597  

 1693 13:52:01.503698  [firmware-rammus-11275.B-collabora] Dec 11 2020 10:26:21

 1694 13:52:01.503792  

 1695 13:52:01.503873  


 1696 13:52:01.504142  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}']
 1697 13:52:01.504211  Sending line: 'tftpboot 192.168.201.1 14880252/tftp-deploy-tf0zlnuc/kernel/bzImage 14880252/tftp-deploy-tf0zlnuc/kernel/cmdline 14880252/tftp-deploy-tf0zlnuc/ramdisk/ramdisk.cpio.gz'
 1699 13:52:01.604634  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}']
 1700 13:52:01.604727  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)
 1701 13:52:01.609283  rammus: tftpboot 192.168.201.1 14880252/tftp-deploy-tf0zlnuc/kernel/bzImploy-tf0zlnuc/kernel/cmdline 14880252/tftp-deploy-tf0zlnuc/ramdisk/ramdisk.cpio.gz

 1702 13:52:01.609362  

 1703 13:52:01.609421  Waiting for link

 1704 13:52:02.117389  

 1705 13:52:02.117503  R8152: Initializing

 1706 13:52:02.117563  

 1707 13:52:02.120430  Version 9 (ocp_data = 6010)

 1708 13:52:02.120506  

 1709 13:52:02.124014  R8152: Done initializing

 1710 13:52:02.124090  

 1711 13:52:02.127027  Adding net device

 1712 13:52:02.327129  

 1713 13:52:02.327241  done.

 1714 13:52:02.327300  

 1715 13:52:02.327383  MAC: 00:e0:4c:68:01:e7

 1716 13:52:02.327435  

 1717 13:52:02.330016  Sending DHCP discover... done.

 1718 13:52:02.330106  

 1719 13:52:02.333511  Waiting for reply... done.

 1720 13:52:02.333587  

 1721 13:52:02.336638  Sending DHCP request... done.

 1722 13:52:02.336713  

 1723 13:52:02.343977  Waiting for reply... done.

 1724 13:52:02.344053  

 1725 13:52:02.344112  My ip is 192.168.201.11

 1726 13:52:02.344166  

 1727 13:52:02.347499  The DHCP server ip is 192.168.201.1

 1728 13:52:02.350495  

 1729 13:52:02.353606  TFTP server IP predefined by user: 192.168.201.1

 1730 13:52:02.353706  

 1731 13:52:02.360614  Bootfile predefined by user: 14880252/tftp-deploy-tf0zlnuc/kernel/bzImage

 1732 13:52:02.360682  

 1733 13:52:02.363594  Sending tftp read request... done.

 1734 13:52:02.363660  

 1735 13:52:02.366974  Waiting for the transfer... 

 1736 13:52:02.367040  

 1737 13:52:02.615606  00000000 ################################################################

 1738 13:52:02.615725  

 1739 13:52:02.863439  00080000 ################################################################

 1740 13:52:02.863553  

 1741 13:52:03.113993  00100000 ################################################################

 1742 13:52:03.114111  

 1743 13:52:03.359949  00180000 ################################################################

 1744 13:52:03.360060  

 1745 13:52:03.606375  00200000 ################################################################

 1746 13:52:03.606523  

 1747 13:52:03.844967  00280000 ################################################################

 1748 13:52:03.845133  

 1749 13:52:04.077844  00300000 ################################################################

 1750 13:52:04.077980  

 1751 13:52:04.313403  00380000 ################################################################

 1752 13:52:04.313550  

 1753 13:52:04.570670  00400000 ################################################################

 1754 13:52:04.570802  

 1755 13:52:04.817473  00480000 ################################################################

 1756 13:52:04.817598  

 1757 13:52:05.082391  00500000 ################################################################

 1758 13:52:05.082509  

 1759 13:52:05.348254  00580000 ################################################################

 1760 13:52:05.348413  

 1761 13:52:05.610601  00600000 ################################################################

 1762 13:52:05.610719  

 1763 13:52:05.870882  00680000 ################################################################

 1764 13:52:05.871013  

 1765 13:52:06.129157  00700000 ################################################################

 1766 13:52:06.129288  

 1767 13:52:06.382375  00780000 ################################################################

 1768 13:52:06.382490  

 1769 13:52:06.635201  00800000 ################################################################

 1770 13:52:06.635322  

 1771 13:52:06.886019  00880000 ################################################################

 1772 13:52:06.886151  

 1773 13:52:07.140365  00900000 ################################################################

 1774 13:52:07.140482  

 1775 13:52:07.410455  00980000 ################################################################

 1776 13:52:07.410567  

 1777 13:52:07.665863  00a00000 ################################################################

 1778 13:52:07.665969  

 1779 13:52:07.915592  00a80000 ################################################################

 1780 13:52:07.915736  

 1781 13:52:08.172932  00b00000 ################################################################

 1782 13:52:08.173070  

 1783 13:52:08.419991  00b80000 ################################################################

 1784 13:52:08.420126  

 1785 13:52:08.668199  00c00000 ################################################################

 1786 13:52:08.668322  

 1787 13:52:08.925106  00c80000 ################################################################

 1788 13:52:08.925230  

 1789 13:52:09.180497  00d00000 ################################################################

 1790 13:52:09.180605  

 1791 13:52:09.451351  00d80000 ################################################################

 1792 13:52:09.451465  

 1793 13:52:09.706390  00e00000 ################################################################

 1794 13:52:09.706532  

 1795 13:52:09.961069  00e80000 ################################################################

 1796 13:52:09.961226  

 1797 13:52:10.210725  00f00000 ################################################################

 1798 13:52:10.210842  

 1799 13:52:10.465725  00f80000 ################################################################

 1800 13:52:10.465853  

 1801 13:52:10.713425  01000000 ################################################################

 1802 13:52:10.713538  

 1803 13:52:10.965548  01080000 ################################################################

 1804 13:52:10.965665  

 1805 13:52:11.212404  01100000 ################################################################

 1806 13:52:11.212522  

 1807 13:52:11.461420  01180000 ################################################################

 1808 13:52:11.461533  

 1809 13:52:11.709077  01200000 ################################################################

 1810 13:52:11.709211  

 1811 13:52:11.962593  01280000 ################################################################

 1812 13:52:11.962717  

 1813 13:52:12.215090  01300000 ################################################################

 1814 13:52:12.215204  

 1815 13:52:12.466764  01380000 ################################################################

 1816 13:52:12.466888  

 1817 13:52:12.722079  01400000 ################################################################

 1818 13:52:12.722196  

 1819 13:52:12.973903  01480000 ################################################################

 1820 13:52:12.974058  

 1821 13:52:13.224961  01500000 ################################################################

 1822 13:52:13.225099  

 1823 13:52:13.320654  01580000 ######################## done.

 1824 13:52:13.320742  

 1825 13:52:13.323870  The bootfile was 22740064 bytes long.

 1826 13:52:13.323949  

 1827 13:52:13.327048  Sending tftp read request... done.

 1828 13:52:13.327129  

 1829 13:52:13.330588  Waiting for the transfer... 

 1830 13:52:13.330681  

 1831 13:52:13.633577  00000000 ################################################################

 1832 13:52:13.633699  

 1833 13:52:14.048361  00080000 ################################################################

 1834 13:52:14.048874  

 1835 13:52:14.373818  00100000 ################################################################

 1836 13:52:14.373932  

 1837 13:52:14.666962  00180000 ################################################################

 1838 13:52:14.667098  

 1839 13:52:14.940742  00200000 ################################################################

 1840 13:52:14.940876  

 1841 13:52:15.231189  00280000 ################################################################

 1842 13:52:15.231327  

 1843 13:52:15.510729  00300000 ################################################################

 1844 13:52:15.510840  

 1845 13:52:15.775654  00380000 ################################################################

 1846 13:52:15.775767  

 1847 13:52:16.043113  00400000 ################################################################

 1848 13:52:16.043245  

 1849 13:52:16.305945  00480000 ################################################################

 1850 13:52:16.306057  

 1851 13:52:16.557604  00500000 ################################################################

 1852 13:52:16.557714  

 1853 13:52:16.840186  00580000 ################################################################

 1854 13:52:16.840297  

 1855 13:52:17.129146  00600000 ################################################################

 1856 13:52:17.129300  

 1857 13:52:17.404773  00680000 ################################################################

 1858 13:52:17.404896  

 1859 13:52:17.694948  00700000 ################################################################

 1860 13:52:17.695084  

 1861 13:52:17.979354  00780000 ################################################################

 1862 13:52:17.979493  

 1863 13:52:18.248355  00800000 ################################################################

 1864 13:52:18.248490  

 1865 13:52:18.538445  00880000 ################################################################

 1866 13:52:18.538578  

 1867 13:52:18.839302  00900000 ################################################################

 1868 13:52:18.839438  

 1869 13:52:19.123448  00980000 ################################################################

 1870 13:52:19.123586  

 1871 13:52:19.401760  00a00000 ################################################################

 1872 13:52:19.401874  

 1873 13:52:19.689025  00a80000 ################################################################

 1874 13:52:19.689197  

 1875 13:52:19.987748  00b00000 ################################################################

 1876 13:52:19.987885  

 1877 13:52:20.281976  00b80000 ################################################################

 1878 13:52:20.282090  

 1879 13:52:20.573742  00c00000 ################################################################

 1880 13:52:20.573857  

 1881 13:52:20.653686  00c80000 ################### done.

 1882 13:52:20.653796  

 1883 13:52:20.657251  Sending tftp read request... done.

 1884 13:52:20.657331  

 1885 13:52:20.660512  Waiting for the transfer... 

 1886 13:52:20.660587  

 1887 13:52:20.660666  00000000 # done.

 1888 13:52:20.660745  

 1889 13:52:20.670669  Command line loaded dynamically from TFTP file: 14880252/tftp-deploy-tf0zlnuc/kernel/cmdline

 1890 13:52:20.670806  

 1891 13:52:20.700304  The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/14880252/extract-nfsrootfs-x3z3wgni,tcp,hard,v3 ip=dhcp tftpserverip=192.168.201.1

 1892 13:52:20.707905  

 1893 13:52:20.711058  Shutting down all USB controllers.

 1894 13:52:20.711414  

 1895 13:52:20.711712  Removing current net device

 1896 13:52:20.711985  

 1897 13:52:20.714965  Finalizing coreboot

 1898 13:52:20.715331  

 1899 13:52:20.721190  Exiting depthcharge with code 4 at timestamp: 25515139

 1900 13:52:20.721638  

 1901 13:52:20.722077  

 1902 13:52:20.722492  Starting kernel ...

 1903 13:52:20.722895  

 1904 13:52:20.723288  

 1905 13:52:20.725119  end: 2.2.4 bootloader-commands (duration 00:00:19) [common]
 1906 13:52:20.725710  start: 2.2.5 auto-login-action (timeout 00:04:24) [common]
 1907 13:52:20.726123  Setting prompt string to ['Linux version [0-9]']
 1908 13:52:20.726705  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}']
 1909 13:52:20.727143  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)
 1910 13:52:23.442007  

 1911 13:52:23.442962  start: 2.2.5.1 login-action (timeout 00:04:21) [common]
 1912 13:52:23.443457  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.
 1913 13:52:23.444027  Setting prompt string to []
 1914 13:52:23.444650  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']
 1915 13:52:23.445033  Using line separator: #'\n'#
 1916 13:52:23.445378  No login prompt set.
 1917 13:52:23.445689  Parsing kernel messages
 1918 13:52:23.445973  ['-\\[ 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']
 1919 13:52:23.446507  [login-action] Waiting for messages, (timeout 00:04:21)
 1920 13:52:23.446828  Waiting using forced prompt support (timeout 00:02:11)
 1921 13:52:23.462070  <5>[    0.000000] Linux version 5.10.222-cip50 (KernelCI@build-j273186-x86-64-gcc-12-x86-64-defconfig-x86-board-ljkrk) (gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 SMP Thu Jul 18 13:38:15 UTC 2024

 1922 13:52:23.491458  <6>[    0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/14880252/extract-nfsrootfs-x3z3wgni,tcp,hard,v3 ip=dhcp tftpserverip=192.168.201.1

 1923 13:52:23.498023  <6>[    0.000000] BIOS-provided physical RAM map:

 1924 13:52:23.505032  <6>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16

 1925 13:52:23.514627  <6>[    0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable

 1926 13:52:23.521236  <6>[    0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved

 1927 13:52:23.531244  <6>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable

 1928 13:52:23.538106  <6>[    0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16

 1929 13:52:23.547924  <6>[    0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved

 1930 13:52:23.554760  <6>[    0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved

 1931 13:52:23.560899  <6>[    0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved

 1932 13:52:23.571174  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved

 1933 13:52:23.577639  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved

 1934 13:52:23.587381  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved

 1935 13:52:23.594416  <6>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable

 1936 13:52:23.600872  <6>[    0.000000] NX (Execute Disable) protection: active

 1937 13:52:23.603832  <6>[    0.000000] SMBIOS 2.7 present.

 1938 13:52:23.610558  <6>[    0.000000] DMI: Google Rammus/Rammus, BIOS  09/04/2020

 1939 13:52:23.617332  <6>[    0.000000] tsc: Detected 1600.000 MHz processor

 1940 13:52:23.620664  <6>[    0.000000] tsc: Detected 1599.960 MHz TSC

 1941 13:52:23.627422  <6>[    0.000057] last_pfn = 0x17f000 max_arch_pfn = 0x400000000

 1942 13:52:23.633614  <6>[    0.001439] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  

 1943 13:52:23.640404  <6>[    0.007302] last_pfn = 0x7a998 max_arch_pfn = 0x400000000

 1944 13:52:23.647043  <6>[    0.026549] check: Scanning 1 areas for low memory corruption

 1945 13:52:23.653606  <6>[    0.026563] Using GB pages for direct mapping

 1946 13:52:23.660288  <6>[    0.027087] RAMDISK: [mem 0x3735a000-0x37ffffff]

 1947 13:52:23.666977  <6>[    0.027095] ACPI: Early table checksum verification disabled

 1948 13:52:23.673688  <6>[    0.027103] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE  )

 1949 13:52:23.683429  <6>[    0.027117] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1950 13:52:23.693484  <6>[    0.027134] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 1951 13:52:23.703622  <6>[    0.027150] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531)

 1952 13:52:23.706645  <6>[    0.027163] ACPI: FACS 0x000000007AA9A240 000040

 1953 13:52:23.713346  <6>[    0.027175] ACPI: FACS 0x000000007AA9A240 000040

 1954 13:52:23.722659  <6>[    0.027186] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE   COREBOOT 0000002A CORE 0000002A)

 1955 13:52:23.732916  <6>[    0.027199] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1956 13:52:23.742934  <6>[    0.027211] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 1957 13:52:23.752876  <6>[    0.027223] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE   COREBOOT 00000000 CORE 00000000)

 1958 13:52:23.762559  <6>[    0.027236] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS   00000000 CORE 00000000)

 1959 13:52:23.772336  <6>[    0.027248] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1960 13:52:23.782229  <6>[    0.027261] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE   COREBOOT 00000000 CORE 00000000)

 1961 13:52:23.792138  <6>[    0.027273] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1962 13:52:23.798822  <6>[    0.027285] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63]

 1963 13:52:23.808840  <6>[    0.027290] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962]

 1964 13:52:23.815725  <6>[    0.027295] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f]

 1965 13:52:23.825504  <6>[    0.027300] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f]

 1966 13:52:23.832195  <6>[    0.027305] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969]

 1967 13:52:23.842097  <6>[    0.027310] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab]

 1968 13:52:23.848255  <6>[    0.027314] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef]

 1969 13:52:23.858271  <6>[    0.027319] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b]

 1970 13:52:23.865287  <6>[    0.027324] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b]

 1971 13:52:23.875304  <6>[    0.027329] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607]

 1972 13:52:23.881438  <6>[    0.027334] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670]

 1973 13:52:23.888116  <6>[    0.027338] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7]

 1974 13:52:23.895196  <6>[    0.027478] No NUMA configuration found

 1975 13:52:23.901792  <6>[    0.027483] Faking a node at [mem 0x0000000000000000-0x000000017effffff]

 1976 13:52:23.908346  <6>[    0.027492] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff]

 1977 13:52:23.911365  <6>[    0.027538] Zone ranges:

 1978 13:52:23.918117  <6>[    0.027543]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]

 1979 13:52:23.927901  <6>[    0.027551]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]

 1980 13:52:23.934631  <6>[    0.027558]   Normal   [mem 0x0000000100000000-0x000000017effffff]

 1981 13:52:23.938090  <6>[    0.027565] Movable zone start for each node

 1982 13:52:23.944435  <6>[    0.027570] Early memory node ranges

 1983 13:52:23.950785  <6>[    0.027575]   node   0: [mem 0x0000000000001000-0x000000000009ffff]

 1984 13:52:23.957776  <6>[    0.027580]   node   0: [mem 0x0000000000100000-0x000000007a997fff]

 1985 13:52:23.964252  <6>[    0.027585]   node   0: [mem 0x0000000100000000-0x000000017effffff]

 1986 13:52:23.974463  <6>[    0.027592] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff]

 1987 13:52:23.981044  <6>[    0.027628] On node 0, zone DMA: 1 pages in unavailable ranges

 1988 13:52:23.987465  <6>[    0.027712] On node 0, zone DMA: 96 pages in unavailable ranges

 1989 13:52:23.994145  <6>[    0.044108] On node 0, zone Normal: 22120 pages in unavailable ranges

 1990 13:52:24.000941  <6>[    0.045103] On node 0, zone Normal: 4096 pages in unavailable ranges

 1991 13:52:24.010724  <6>[    0.045129] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff]

 1992 13:52:24.014242  <6>[    0.045663] ACPI: PM-Timer IO Port: 0x1808

 1993 13:52:24.024115  <6>[    0.045720] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119

 1994 13:52:24.030950  <6>[    0.045734] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)

 1995 13:52:24.037224  <6>[    0.045740] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)

 1996 13:52:24.044078  <6>[    0.045756] Using ACPI (MADT) for SMP configuration information

 1997 13:52:24.050578  <6>[    0.045762] ACPI: HPET id: 0x8086a701 base: 0xfed00000

 1998 13:52:24.057024  <6>[    0.045769] TSC deadline timer available

 1999 13:52:24.060580  <6>[    0.045775] smpboot: Allowing 4 CPUs, 0 hotplug CPUs

 2000 13:52:24.070483  <6>[    0.045806] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]

 2001 13:52:24.080358  <6>[    0.045812] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff]

 2002 13:52:24.086736  <6>[    0.045818] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff]

 2003 13:52:24.097235  <6>[    0.045823] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff]

 2004 13:52:24.106972  <6>[    0.045827] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff]

 2005 13:52:24.113656  <6>[    0.045832] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff]

 2006 13:52:24.123899  <6>[    0.045836] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff]

 2007 13:52:24.133010  <6>[    0.045840] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff]

 2008 13:52:24.139695  <6>[    0.045845] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff]

 2009 13:52:24.149340  <6>[    0.045849] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff]

 2010 13:52:24.159638  <6>[    0.045854] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff]

 2011 13:52:24.165822  <6>[    0.045858] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff]

 2012 13:52:24.176145  <6>[    0.045863] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff]

 2013 13:52:24.182777  <6>[    0.045867] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff]

 2014 13:52:24.192549  <6>[    0.045871] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff]

 2015 13:52:24.198998  <6>[    0.045880] [mem 0x80000000-0xdfffffff] available for PCI devices

 2016 13:52:24.212831  <6>[    0.045888] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns

 2017 13:52:24.222756  <6>[    0.063404] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1

 2018 13:52:24.229412  <6>[    0.063715] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288

 2019 13:52:24.235963  <6>[    0.063798] Built 1 zonelists, mobility grouping on.  Total pages: 1006266

 2020 13:52:24.239560  <6>[    0.063803] Policy zone: Normal

 2021 13:52:24.272740  <5>[    0.063818] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/14880252/extract-nfsrootfs-x3z3wgni,tcp,hard,v3 ip=dhcp tftpserverip=192.168.201.1

 2022 13:52:24.282242  <6>[    0.064430] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)

 2023 13:52:24.292459  <6>[    0.064691] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)

 2024 13:52:24.298789  <6>[    0.064787] mem auto-init: stack:all(zero), heap alloc:off, heap free:off

 2025 13:52:24.315885  <6>[    0.099710] Memory: 3861304K/4089052K available (22546K kernel code, 3708K rwdata, 24564K rodata, 2148K init, 14144K bss, 227488K reserved, 0K cma-reserved)

 2026 13:52:24.322185  <6>[    0.099865] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

 2027 13:52:24.328846  <6>[    0.099927] Kernel/User page tables isolation: enabled

 2028 13:52:24.335569  <6>[    0.100059] ftrace: allocating 61061 entries in 239 pages

 2029 13:52:24.342217  <6>[    0.170343] ftrace: allocated 239 pages with 7 groups

 2030 13:52:24.345512  <6>[    0.170657] Running RCU self tests

 2031 13:52:24.348792  <6>[    0.170673] rcu: Hierarchical RCU implementation.

 2032 13:52:24.355008  <6>[    0.170678] rcu: 	RCU event tracing is enabled.

 2033 13:52:24.361689  <6>[    0.170682] rcu: 	RCU lockdep checking is enabled.

 2034 13:52:24.368606  <6>[    0.170687] rcu: 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4.

 2035 13:52:24.374910  <6>[    0.170693] 	Rude variant of Tasks RCU enabled.

 2036 13:52:24.378670  <6>[    0.170697] 	Tracing variant of Tasks RCU enabled.

 2037 13:52:24.388060  <6>[    0.170702] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.

 2038 13:52:24.398372  <6>[    0.170707] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4

 2039 13:52:24.404758  <6>[    0.181237] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16

 2040 13:52:24.408006  <5>[    0.181727] random: crng init done

 2041 13:52:24.411908  <6>[    0.181846] Console: colour dummy device 80x25

 2042 13:52:24.418015  <6>[    0.255376] printk: console [ttyS0] enabled

 2043 13:52:24.427980  <4>[    0.255767] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

 2044 13:52:24.431394  <4>[    0.256452] ... MAX_LOCKDEP_SUBCLASSES:  8

 2045 13:52:24.437956  <4>[    0.256834] ... MAX_LOCK_DEPTH:          48

 2046 13:52:24.440978  <4>[    0.257224] ... MAX_LOCKDEP_KEYS:        8192

 2047 13:52:24.447977  <4>[    0.257628] ... CLASSHASH_SIZE:          4096

 2048 13:52:24.451295  <4>[    0.258031] ... MAX_LOCKDEP_ENTRIES:     32768

 2049 13:52:24.457672  <4>[    0.258441] ... MAX_LOCKDEP_CHAINS:      65536

 2050 13:52:24.464385  <4>[    0.258853] ... CHAINHASH_SIZE:          32768

 2051 13:52:24.467650  <4>[    0.259264]  memory used by lock dependency info: 6365 kB

 2052 13:52:24.474029  <4>[    0.259754]  memory used for stack traces: 4224 kB

 2053 13:52:24.480883  <4>[    0.260194]  per task-struct memory footprint: 1920 bytes

 2054 13:52:24.487203  <6>[    0.260745] ACPI: Core revision 20200925

 2055 13:52:24.493622  <6>[    0.261341] hpet: HPET dysfunctional in PC10. Force disabled.

 2056 13:52:24.497102  <6>[    0.261864] APIC: Switch to symmetric I/O mode setup

 2057 13:52:24.510772  <6>[    0.266346] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns

 2058 13:52:24.523939  <6>[    0.267290] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960)

 2059 13:52:24.526952  <6>[    0.268271] mce: CPU0: Thermal monitoring enabled (TM1)

 2060 13:52:24.533912  <6>[    0.268271] process: using mwait in idle threads

 2061 13:52:24.540643  <6>[    0.268271] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8

 2062 13:52:24.547011  <6>[    0.268271] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4

 2063 13:52:24.557396  <6>[    0.268271] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization

 2064 13:52:24.564270  <6>[    0.268271] Spectre V2 : Mitigation: IBRS

 2065 13:52:24.570642  <6>[    0.268271] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch

 2066 13:52:24.580743  <6>[    0.268271] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT

 2067 13:52:24.584049  <6>[    0.268271] RETBleed: Mitigation: IBRS

 2068 13:52:24.593840  <6>[    0.268271] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier

 2069 13:52:24.603612  <6>[    0.268271] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl

 2070 13:52:24.613486  <6>[    0.268271] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp

 2071 13:52:24.620238  <6>[    0.268271] MDS: Vulnerable: Clear CPU buffers attempted, no microcode

 2072 13:52:24.630001  <6>[    0.268271] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode

 2073 13:52:24.633105  <6>[    0.268271] SRBDS: Vulnerable: No microcode

 2074 13:52:24.640077  <6>[    0.268271] GDS: Vulnerable: No microcode

 2075 13:52:24.650072  <6>[    0.268271] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'

 2076 13:52:24.656735  <6>[    0.268271] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'

 2077 13:52:24.662695  <6>[    0.268271] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'

 2078 13:52:24.669428  <6>[    0.268271] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'

 2079 13:52:24.679337  <6>[    0.268271] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'

 2080 13:52:24.685932  <6>[    0.268271] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256

 2081 13:52:24.692699  <6>[    0.268271] x86/fpu: xstate_offset[3]:  832, xstate_sizes[3]:   64

 2082 13:52:24.699129  <6>[    0.268271] x86/fpu: xstate_offset[4]:  896, xstate_sizes[4]:   64

 2083 13:52:24.709201  <6>[    0.268271] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format.

 2084 13:52:24.715948  <6>[    0.268271] Freeing SMP alternatives memory: 48K

 2085 13:52:24.722381  <6>[    0.268271] pid_max: default: 32768 minimum: 301

 2086 13:52:24.725826  <6>[    0.268271] LSM: Security Framework initializing

 2087 13:52:24.732152  <6>[    0.268271] SELinux:  Initializing.

 2088 13:52:24.735732  <6>[    0.268271] LSM support for eBPF active

 2089 13:52:24.745331  <6>[    0.268271] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2090 13:52:24.752126  <6>[    0.268271] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2091 13:52:24.766148  <6>[    0.268271] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9)

 2092 13:52:24.777089  <6>[    0.268960] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver.

 2093 13:52:24.781105  <6>[    0.269288] ... version:                4

 2094 13:52:24.784777  <6>[    0.269666] ... bit width:              48

 2095 13:52:24.792166  <6>[    0.270049] ... generic registers:      4

 2096 13:52:24.796135  <6>[    0.270277] ... value mask:             0000ffffffffffff

 2097 13:52:24.804247  <6>[    0.270762] ... max period:             00007fffffffffff

 2098 13:52:24.807649  <6>[    0.271246] ... fixed-purpose events:   3

 2099 13:52:24.815409  <6>[    0.271277] ... event mask:             000000070000000f

 2100 13:52:24.819469  <6>[    0.272325] rcu: Hierarchical SRCU implementation.

 2101 13:52:24.826530  <6>[    0.274932] smp: Bringing up secondary CPUs ...

 2102 13:52:24.830115  <6>[    0.276024] x86: Booting SMP configuration:

 2103 13:52:24.833498  <6>[    0.276328] .... node  #0, CPUs:      #1

 2104 13:52:24.849925  <4>[    0.277713] 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.

 2105 13:52:24.869508  <4>[    0.278279] 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.

 2106 13:52:24.872939  <4>[    0.279880]  #2 #3

 2107 13:52:24.876356  <6>[    0.282414] smp: Brought up 1 node, 4 CPUs

 2108 13:52:24.883055  <6>[    0.282937] smpboot: Max logical packages: 1

 2109 13:52:24.889874  <6>[    0.283280] smpboot: Total of 4 processors activated (12799.68 BogoMIPS)

 2110 13:52:24.892747  <6>[    0.287292] devtmpfs: initialized

 2111 13:52:24.899530  <6>[    0.288010] x86/mm: Memory block size: 128MB

 2112 13:52:24.909410  <6>[    0.292601] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns

 2113 13:52:24.916450  <6>[    0.293296] futex hash table entries: 1024 (order: 5, 131072 bytes, linear)

 2114 13:52:24.922980  <6>[    0.294486] pinctrl core: initialized pinctrl subsystem

 2115 13:52:24.929631  <6>[    0.296186] PM: RTC time: 13:52:11, date: 2024-07-18

 2116 13:52:24.936307  <6>[    0.297005] NET: Registered protocol family 16

 2117 13:52:24.943082  <6>[    0.298190] audit: initializing netlink subsys (disabled)

 2118 13:52:24.952843  <5>[    0.298333] audit: type=2000 audit(1721310731.031:1): state=initialized audit_enabled=0 res=1

 2119 13:52:24.959835  <6>[    0.299154] thermal_sys: Registered thermal governor 'step_wise'

 2120 13:52:24.966149  <6>[    0.299282] thermal_sys: Registered thermal governor 'user_space'

 2121 13:52:24.969402  <6>[    0.299923] cpuidle: using governor menu

 2122 13:52:24.976174  <6>[    0.300740] ACPI: bus type PCI registered

 2123 13:52:24.985722  <6>[    0.301719] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000)

 2124 13:52:24.992442  <6>[    0.302283] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820

 2125 13:52:24.999265  <6>[    0.302931] PCI: Using configuration type 1 for base access

 2126 13:52:25.005714  <6>[    0.342257] Kprobes globally optimized

 2127 13:52:25.012199  <6>[    0.342423] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages

 2128 13:52:25.019098  <6>[    0.343285] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages

 2129 13:52:25.029275  <6>[    0.344349] cryptomgr_test (38) used greatest stack depth: 14824 bytes left

 2130 13:52:25.032137  <6>[    0.347708] ACPI: Added _OSI(Module Device)

 2131 13:52:25.038770  <6>[    0.348105] ACPI: Added _OSI(Processor Device)

 2132 13:52:25.045671  <6>[    0.348293] ACPI: Added _OSI(3.0 _SCP Extensions)

 2133 13:52:25.048767  <6>[    0.348730] ACPI: Added _OSI(Processor Aggregator Device)

 2134 13:52:25.055489  <6>[    0.349224] ACPI: Added _OSI(Linux-Dell-Video)

 2135 13:52:25.062603  <6>[    0.349280] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)

 2136 13:52:25.068683  <6>[    0.349768] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)

 2137 13:52:25.075393  <6>[    0.363348] ACPI: 2 ACPI AML tables successfully acquired and loaded

 2138 13:52:25.078685  <6>[    0.372127] ACPI: EC: EC started

 2139 13:52:25.085644  <6>[    0.372276] ACPI: EC: interrupt blocked

 2140 13:52:25.088857  <6>[    0.373431] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2141 13:52:25.098527  <6>[    0.373901] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions

 2142 13:52:25.102009  <6>[    0.375278] ACPI: Interpreter enabled

 2143 13:52:25.108548  <6>[    0.375705] ACPI: (supports S0 S3 S4 S5)

 2144 13:52:25.112041  <6>[    0.376078] ACPI: Using IOAPIC for interrupt routing

 2145 13:52:25.125187  <6>[    0.376360] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug

 2146 13:52:25.128816  <6>[    0.395361] ACPI: Power Resource [PRIC] (on)

 2147 13:52:25.135492  <6>[    0.524711] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])

 2148 13:52:25.145202  <6>[    0.525283] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]

 2149 13:52:25.154972  <6>[    0.526411] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR]

 2150 13:52:25.168469  <6>[    0.527126] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge

 2151 13:52:25.171403  <6>[    0.528954] PCI host bridge to bus 0000:00

 2152 13:52:25.178141  <6>[    0.529283] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]

 2153 13:52:25.187978  <6>[    0.529893] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]

 2154 13:52:25.194643  <6>[    0.530279] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]

 2155 13:52:25.204448  <6>[    0.530946] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window]

 2156 13:52:25.214622  <6>[    0.531278] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window]

 2157 13:52:25.221033  <6>[    0.531945] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window]

 2158 13:52:25.231515  <6>[    0.532278] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window]

 2159 13:52:25.238220  <6>[    0.532946] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window]

 2160 13:52:25.248084  <6>[    0.534280] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window]

 2161 13:52:25.258015  <6>[    0.534947] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window]

 2162 13:52:25.265089  <6>[    0.535278] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window]

 2163 13:52:25.274587  <6>[    0.535945] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window]

 2164 13:52:25.284818  <6>[    0.536278] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window]

 2165 13:52:25.291245  <6>[    0.536945] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window]

 2166 13:52:25.300767  <6>[    0.538279] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window]

 2167 13:52:25.307496  <6>[    0.538946] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window]

 2168 13:52:25.317353  <6>[    0.539279] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window]

 2169 13:52:25.327322  <6>[    0.539945] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window]

 2170 13:52:25.334031  <6>[    0.540278] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window]

 2171 13:52:25.343612  <6>[    0.540945] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window]

 2172 13:52:25.350166  <6>[    0.542280] pci_bus 0000:00: root bus resource [bus 00-ff]

 2173 13:52:25.356909  <6>[    0.542885] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000

 2174 13:52:25.363756  <6>[    0.544447] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000

 2175 13:52:25.373530  <6>[    0.545020] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit]

 2176 13:52:25.380207  <6>[    0.545293] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref]

 2177 13:52:25.386842  <6>[    0.545948] pci 0000:00:02.0: reg 0x20: [io  0x1c00-0x1c3f]

 2178 13:52:25.393272  <6>[    0.546986] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000

 2179 13:52:25.403232  <6>[    0.548306] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit]

 2180 13:52:25.410054  <6>[    0.549746] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000

 2181 13:52:25.416533  <6>[    0.550305] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit]

 2182 13:52:25.422931  <6>[    0.551642] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330

 2183 13:52:25.432772  <6>[    0.552219] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit]

 2184 13:52:25.439220  <6>[    0.552435] pci 0000:00:14.0: PME# supported from D3hot D3cold

 2185 13:52:25.445874  <6>[    0.553808] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000

 2186 13:52:25.452678  <6>[    0.554318] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit]

 2187 13:52:25.459058  <6>[    0.555672] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000

 2188 13:52:25.469292  <6>[    0.556256] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit]

 2189 13:52:25.475564  <6>[    0.558168] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000

 2190 13:52:25.482524  <6>[    0.558326] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit]

 2191 13:52:25.489097  <6>[    0.559855] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000

 2192 13:52:25.498859  <6>[    0.560326] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit]

 2193 13:52:25.505772  <6>[    0.560959] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit]

 2194 13:52:25.512086  <6>[    0.563149] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000

 2195 13:52:25.522014  <6>[    0.563326] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit]

 2196 13:52:25.528990  <6>[    0.564848] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400

 2197 13:52:25.535790  <6>[    0.565489] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold

 2198 13:52:25.541987  <6>[    0.566869] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000

 2199 13:52:25.548643  <6>[    0.567326] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit]

 2200 13:52:25.558790  <6>[    0.568826] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000

 2201 13:52:25.565137  <6>[    0.570327] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit]

 2202 13:52:25.572111  <6>[    0.571816] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501

 2203 13:52:25.578635  <6>[    0.572319] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit]

 2204 13:52:25.588554  <6>[    0.573922] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501

 2205 13:52:25.595006  <6>[    0.574320] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit]

 2206 13:52:25.601477  <6>[    0.575780] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100

 2207 13:52:25.608048  <6>[    0.577114] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000

 2208 13:52:25.614786  <6>[    0.577310] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff]

 2209 13:52:25.624795  <6>[    0.578693] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100

 2210 13:52:25.631226  <6>[    0.579271] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit]

 2211 13:52:25.638175  <6>[    0.579939] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit]

 2212 13:52:25.644927  <6>[    0.580392] pci 0000:00:1f.3: PME# supported from D3hot D3cold

 2213 13:52:25.651268  <6>[    0.581742] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500

 2214 13:52:25.661334  <6>[    0.582344] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit]

 2215 13:52:25.668075  <6>[    0.583022] pci 0000:00:1f.4: reg 0x20: [io  0xefa0-0xefbf]

 2216 13:52:25.674825  <6>[    0.585069] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000

 2217 13:52:25.681157  <6>[    0.585311] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff]

 2218 13:52:25.688163  <6>[    0.587128] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000

 2219 13:52:25.697914  <6>[    0.587573] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit]

 2220 13:52:25.704967  <6>[    0.593266] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold

 2221 13:52:25.711530  <6>[    0.595541] pci 0000:00:1c.0: PCI bridge to [bus 01]

 2222 13:52:25.717900  <6>[    0.596018] pci 0000:00:1c.0:   bridge window [mem 0xd1000000-0xd10fffff]

 2223 13:52:25.724607  <6>[    0.597876] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11

 2224 13:52:25.734624  <6>[    0.599604] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15)

 2225 13:52:25.741486  <6>[    0.600557] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11

 2226 13:52:25.751007  <6>[    0.601530] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11

 2227 13:52:25.757935  <6>[    0.602500] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11

 2228 13:52:25.764381  <6>[    0.603470] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11

 2229 13:52:25.774495  <6>[    0.604439] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11

 2230 13:52:25.780988  <6>[    0.605409] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11

 2231 13:52:25.787511  <6>[    0.613433] ACPI: EC: interrupt unblocked

 2232 13:52:25.790755  <6>[    0.613827] ACPI: EC: event unblocked

 2233 13:52:25.797249  <6>[    0.614194] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2234 13:52:25.800732  <6>[    0.614291] ACPI: EC: GPE=0x6e

 2235 13:52:25.807611  <6>[    0.615278] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete

 2236 13:52:25.817436  <6>[    0.615278] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events

 2237 13:52:25.824216  <6>[    0.616799] iommu: Default domain type: Translated 

 2238 13:52:25.830594  <6>[    0.617551] pci 0000:00:02.0: vgaarb: setting as boot VGA device

 2239 13:52:25.840512  <6>[    0.617933] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none

 2240 13:52:25.847122  <6>[    0.618300] pci 0000:00:02.0: vgaarb: bridge control possible

 2241 13:52:25.850681  <6>[    0.618823] vgaarb: loaded

 2242 13:52:25.854118  <5>[    0.619767] SCSI subsystem initialized

 2243 13:52:25.860572  <6>[    0.620530] ACPI: bus type USB registered

 2244 13:52:25.867398  <6>[    0.621066] usbcore: registered new interface driver usbfs

 2245 13:52:25.870614  <6>[    0.621352] usbcore: registered new interface driver hub

 2246 13:52:25.876923  <6>[    0.621883] usbcore: registered new device driver usb

 2247 13:52:25.883816  <6>[    0.622434] mc: Linux media interface: v0.10

 2248 13:52:25.890490  <6>[    0.622869] videodev: Linux video capture interface: v2.00

 2249 13:52:25.893669  <6>[    0.623319] pps_core: LinuxPPS API ver. 1 registered

 2250 13:52:25.906747  <6>[    0.623776] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

 2251 13:52:25.910117  <6>[    0.624290] PTP clock support registered

 2252 13:52:25.916934  <6>[    0.625319] Advanced Linux Sound Architecture Driver Initialized.

 2253 13:52:25.920409  <6>[    0.627121] NetLabel: Initializing

 2254 13:52:25.926819  <6>[    0.627280] NetLabel:  domain hash size = 128

 2255 13:52:25.933540  <6>[    0.627687] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO

 2256 13:52:25.940354  <6>[    0.628307] NetLabel:  unlabeled traffic allowed by default

 2257 13:52:25.943408  <6>[    0.628916] PCI: Using ACPI for IRQ routing

 2258 13:52:25.950222  <6>[    0.637124] clocksource: Switched to clocksource tsc-early

 2259 13:52:25.956753  <5>[    1.086229] VFS: Disk quotas dquot_6.6.0

 2260 13:52:25.963513  <6>[    1.086678] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

 2261 13:52:25.966934  <6>[    1.087781] pnp: PnP ACPI init

 2262 13:52:25.976795  <6>[    1.088969] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved

 2263 13:52:25.983094  <6>[    1.089570] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved

 2264 13:52:25.989656  <6>[    1.090190] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved

 2265 13:52:25.999614  <6>[    1.090805] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved

 2266 13:52:26.006528  <6>[    1.091403] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved

 2267 13:52:26.013205  <6>[    1.092018] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved

 2268 13:52:26.022929  <6>[    1.092661] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved

 2269 13:52:26.029406  <6>[    1.093288] system 00:00: [mem 0xff000000-0xffffffff] has been reserved

 2270 13:52:26.039419  <6>[    1.093899] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved

 2271 13:52:26.046472  <6>[    1.094498] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved

 2272 13:52:26.052865  <6>[    1.096085] system 00:01: [io  0x1800-0x18fe] has been reserved

 2273 13:52:26.059618  <6>[    1.097057] system 00:03: [io  0x0900-0x09fe] has been reserved

 2274 13:52:26.065973  <6>[    1.097887] system 00:04: [io  0x0200] has been reserved

 2275 13:52:26.072771  <6>[    1.098378] system 00:04: [io  0x0204] has been reserved

 2276 13:52:26.079524  <6>[    1.098886] system 00:04: [io  0x0800-0x087f] has been reserved

 2277 13:52:26.085911  <6>[    1.099428] system 00:04: [io  0x0880-0x08ff] has been reserved

 2278 13:52:26.089191  <6>[    1.102772] pnp: PnP ACPI: found 6 devices

 2279 13:52:26.102671  <6>[    1.117947] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns

 2280 13:52:26.105737  <6>[    1.118873] NET: Registered protocol family 2

 2281 13:52:26.115433  <6>[    1.119468] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)

 2282 13:52:26.125340  <6>[    1.122022] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear)

 2283 13:52:26.131609  <6>[    1.123064] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)

 2284 13:52:26.141724  <6>[    1.124011] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear)

 2285 13:52:26.148156  <6>[    1.126911] TCP: Hash tables configured (established 32768 bind 32768)

 2286 13:52:26.158339  <6>[    1.127871] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear)

 2287 13:52:26.164779  <6>[    1.128883] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2288 13:52:26.174403  <6>[    1.129818] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2289 13:52:26.181383  <6>[    1.130923] NET: Registered protocol family 1

 2290 13:52:26.188246  <6>[    1.132086] RPC: Registered named UNIX socket transport module.

 2291 13:52:26.191186  <6>[    1.132676] RPC: Registered udp transport module.

 2292 13:52:26.197801  <6>[    1.133112] RPC: Registered tcp transport module.

 2293 13:52:26.204595  <6>[    1.133547] RPC: Registered tcp NFSv4.1 backchannel transport module.

 2294 13:52:26.211027  <6>[    1.134948] NET: Registered protocol family 44

 2295 13:52:26.218126  <6>[    1.135385] pci 0000:00:1c.0: PCI bridge to [bus 01]

 2296 13:52:26.224355  <6>[    1.135882] pci 0000:00:1c.0:   bridge window [mem 0xd1000000-0xd10fffff]

 2297 13:52:26.231252  <6>[    1.136505] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]

 2298 13:52:26.238022  <6>[    1.137073] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]

 2299 13:52:26.247980  <6>[    1.137715] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]

 2300 13:52:26.254622  <6>[    1.138332] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window]

 2301 13:52:26.264334  <6>[    1.138961] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window]

 2302 13:52:26.271224  <6>[    1.139580] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window]

 2303 13:52:26.277654  <6>[    1.140209] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window]

 2304 13:52:26.287794  <6>[    1.140848] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window]

 2305 13:52:26.293854  <6>[    1.141474] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window]

 2306 13:52:26.303858  <6>[    1.142109] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window]

 2307 13:52:26.310556  <6>[    1.142798] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window]

 2308 13:52:26.320357  <6>[    1.143422] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window]

 2309 13:52:26.327068  <6>[    1.144058] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window]

 2310 13:52:26.336969  <6>[    1.144697] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window]

 2311 13:52:26.343502  <6>[    1.145323] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window]

 2312 13:52:26.350351  <6>[    1.145957] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window]

 2313 13:52:26.360137  <6>[    1.146583] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window]

 2314 13:52:26.367050  <6>[    1.147218] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window]

 2315 13:52:26.376839  <6>[    1.147871] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window]

 2316 13:52:26.383400  <6>[    1.148497] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window]

 2317 13:52:26.390168  <6>[    1.149133] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff]

 2318 13:52:26.400196  <6>[    1.150196] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]

 2319 13:52:26.406832  <6>[    1.153133] PCI: CLS 64 bytes, default 64

 2320 13:52:26.410378  <6>[    1.153968] Unpacking initramfs...

 2321 13:52:26.413698  <6>[    1.738045] Freeing initrd memory: 12952K

 2322 13:52:26.420119  <6>[    1.738508] DMAR: Host address width 39

 2323 13:52:26.426669  <6>[    1.738929] DMAR: DRHD base: 0x000000fed90000 flags: 0x0

 2324 13:52:26.436666  <6>[    1.739488] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e

 2325 13:52:26.443439  <6>[    1.740248] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff

 2326 13:52:26.450144  <6>[    1.740827] DMAR: DRHD base: 0x000000fed91000 flags: 0x1

 2327 13:52:26.459877  <6>[    1.741335] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da

 2328 13:52:26.466484  <6>[    1.742155] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)

 2329 13:52:26.476372  <6>[    1.742748] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB)

 2330 13:52:26.482841  <6>[    1.743746] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer

 2331 13:52:26.489411  <6>[    1.744450] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules

 2332 13:52:26.496461  <6>[    1.744997] RAPL PMU: hw unit of domain package 2^-14 Joules

 2333 13:52:26.502666  <6>[    1.745512] RAPL PMU: hw unit of domain dram 2^-14 Joules

 2334 13:52:26.509448  <6>[    1.746014] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules

 2335 13:52:26.516316  <6>[    1.746529] RAPL PMU: hw unit of domain psys 2^-14 Joules

 2336 13:52:26.522693  <3>[    1.748968] kvm: already loaded the other module

 2337 13:52:26.529628  <6>[    1.753444] check: Scanning for low memory corruption every 60 seconds

 2338 13:52:26.535870  <5>[    1.757463] Initialise system trusted keyrings

 2339 13:52:26.542517  <6>[    1.758186] workingset: timestamp_bits=56 max_order=20 bucket_order=0

 2340 13:52:26.549233  <5>[    1.779723] NFS: Registering the id_resolver key type

 2341 13:52:26.552645  <5>[    1.780239] Key type id_resolver registered

 2342 13:52:26.559292  <5>[    1.780678] Key type id_legacy registered

 2343 13:52:26.562711  <5>[    1.803203] Key type asymmetric registered

 2344 13:52:26.569083  <5>[    1.803650] Asymmetric key parser 'x509' registered

 2345 13:52:26.576123  <6>[    1.804161] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)

 2346 13:52:26.582723  <6>[    1.804862] io scheduler mq-deadline registered

 2347 13:52:26.589157  <6>[    1.805286] io scheduler kyber registered

 2348 13:52:26.592585  <4>[    1.805932] test_firmware: interface ready

 2349 13:52:26.599311  <6>[    1.808016] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120

 2350 13:52:26.605640  <6>[    1.809992] ACPI: AC Adapter [AC] (on-line)

 2351 13:52:26.615324  <6>[    1.810826] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0

 2352 13:52:26.622034  <6>[    1.812726] ACPI: Lid Switch [LID0]

 2353 13:52:26.628633  <6>[    1.813345] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1

 2354 13:52:26.635220  <6>[    1.814301] ACPI: Power Button [PWRF]

 2355 13:52:26.638714  <6>[    1.815138] ACPI: \_PR_.CP00: Found 3 idle states

 2356 13:52:26.645026  <6>[    1.816360] ACPI: \_PR_.CP01: Found 3 idle states

 2357 13:52:26.652314  <6>[    1.817409] ACPI: \_PR_.CP02: Found 3 idle states

 2358 13:52:26.655016  <6>[    1.818495] ACPI: \_PR_.CP03: Found 3 idle states

 2359 13:52:26.661710  <6>[    1.820178] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled

 2360 13:52:26.668614  <4>[    1.824423] hpet_acpi_add: no address or irqs in _CRS

 2361 13:52:26.675032  <6>[    1.825067] battery: ACPI: Battery Slot [BAT0] (battery present)

 2362 13:52:26.681414  <6>[    1.825160] Non-volatile memory driver v1.3

 2363 13:52:26.684832  <6>[    1.826225] Linux agpgart interface v0.103

 2364 13:52:26.691715  <6>[    1.827010] ACPI: bus type drm_connector registered

 2365 13:52:26.697938  <6>[    1.827643] [drm] amdgpu kernel modesetting enabled.

 2366 13:52:26.704757  <6>[    1.830962] i915 0000:00:02.0: vgaarb: deactivate vga console

 2367 13:52:26.714555  <6>[    1.883937] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem

 2368 13:52:26.724953  <6>[    1.885748] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4)

 2369 13:52:26.734567  <6>[    1.915030] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0

 2370 13:52:26.741171  <6>[    1.918757] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1

 2371 13:52:26.744727  <6>[    1.934291] loop: module loaded

 2372 13:52:26.751216  <6>[    1.935433] lkdtm: No crash points registered, enable through debugfs

 2373 13:52:26.757999  <6>[    1.959634] printk: console [ttyS0] disabled

 2374 13:52:26.768103  <6>[    1.960392] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A

 2375 13:52:26.774252  <6>[    2.796724] tsc: Refined TSC clocksource calibration: 1608.000 MHz

 2376 13:52:26.787447  <6>[    2.796759] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns

 2377 13:52:26.791041  <6>[    2.796967] clocksource: Switched to clocksource tsc

 2378 13:52:26.797438  <6>[    2.806251] printk: console [ttyS0] enabled

 2379 13:52:26.851319  <6>[    5.322532] fbcon: i915drmfb (fb0) is primary device

 2380 13:52:26.861242  <6>[    5.334581] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A

 2381 13:52:26.870867  <4>[    5.336777] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO

 2382 13:52:26.874289  <6>[    5.345003] e100: Intel(R) PRO/100 Network Driver

 2383 13:52:26.880614  <6>[    5.345007] e100: Copyright(c) 1999-2006 Intel Corporation

 2384 13:52:26.887683  <6>[    5.345068] e1000: Intel(R) PRO/1000 Network Driver

 2385 13:52:26.895480  <6>[    5.345070] e1000: Copyright (c) 1999-2006 Intel Corporation.

 2386 13:52:26.898931  <6>[    5.345150] e1000e: Intel(R) PRO/1000 Network Driver

 2387 13:52:26.909439  <6>[    5.345152] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

 2388 13:52:26.912929  <6>[    5.345235] sky2: driver version 1.30

 2389 13:52:26.929409  <6>[    5.345546] usbcore: registered new interface driver r8152

 2390 13:52:26.929803  <6>[    5.345623] usbcore: registered new interface driver asix

 2391 13:52:26.933326  <6>[    5.345666] usbcore: registered new interface driver ax88179_178a

 2392 13:52:26.940061  <6>[    5.345703] usbcore: registered new interface driver cdc_ether

 2393 13:52:26.947115  <6>[    5.345742] usbcore: registered new interface driver net1080

 2394 13:52:26.950648  <6>[    5.345780] usbcore: registered new interface driver cdc_subset

 2395 13:52:26.958094  <6>[    5.345815] usbcore: registered new interface driver zaurus

 2396 13:52:26.964764  <6>[    5.345874] usbcore: registered new interface driver cdc_ncm

 2397 13:52:26.973013  <6>[    5.346405] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

 2398 13:52:26.979714  <6>[    5.346424] ehci-pci: EHCI PCI platform driver

 2399 13:52:26.986946  <6>[    5.346492] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

 2400 13:52:26.990348  <6>[    5.346507] ohci-pci: OHCI PCI platform driver

 2401 13:52:26.997008  <6>[    5.346567] uhci_hcd: USB Universal Host Controller Interface driver

 2402 13:52:27.003430  <6>[    5.347709] xhci_hcd 0000:00:14.0: xHCI Host Controller

 2403 13:52:27.013815  <6>[    5.348494] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2

 2404 13:52:27.020250  <6>[    5.348802] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1

 2405 13:52:27.029995  <6>[    5.350163] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810

 2406 13:52:27.040313  <6>[    5.350221] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported

 2407 13:52:27.046809  <6>[    5.351912] xhci_hcd 0000:00:14.0: xHCI Host Controller

 2408 13:52:27.053537  <6>[    5.352365] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2

 2409 13:52:27.060396  <6>[    5.352377] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed

 2410 13:52:27.069963  <6>[    5.353166] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10

 2411 13:52:27.080121  <6>[    5.353188] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2412 13:52:27.086461  <6>[    5.353193] usb usb1: Product: xHCI Host Controller

 2413 13:52:27.093237  <6>[    5.353197] usb usb1: Manufacturer: Linux 5.10.222-cip50 xhci-hcd

 2414 13:52:27.096818  <6>[    5.353200] usb usb1: SerialNumber: 0000:00:14.0

 2415 13:52:27.103522  <6>[    5.355006] hub 1-0:1.0: USB hub found

 2416 13:52:27.106911  <6>[    5.355196] hub 1-0:1.0: 12 ports detected

 2417 13:52:27.113249  <6>[    5.356344] Console: switching to colour frame buffer device 240x67

 2418 13:52:27.123444  <6>[    5.359054] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10

 2419 13:52:27.133369  <6>[    5.359060] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2420 13:52:27.139741  <6>[    5.359064] usb usb2: Product: xHCI Host Controller

 2421 13:52:27.146524  <6>[    5.359068] usb usb2: Manufacturer: Linux 5.10.222-cip50 xhci-hcd

 2422 13:52:27.149245  <6>[    5.359073] usb usb2: SerialNumber: 0000:00:14.0

 2423 13:52:27.156253  <6>[    5.359964] hub 2-0:1.0: USB hub found

 2424 13:52:27.159518  <6>[    5.360013] hub 2-0:1.0: 6 ports detected

 2425 13:52:27.165888  <6>[    5.361695] usbcore: registered new interface driver usblp

 2426 13:52:27.172551  <6>[    5.361779] usbcore: registered new interface driver usb-storage

 2427 13:52:27.182579  <6>[    5.362355] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers

 2428 13:52:27.192623  <6>[    5.362488] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1

 2429 13:52:27.202627  <4>[    5.362490] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp

 2430 13:52:27.209113  <4>[    5.363267] i8042: Warning: Keylock active

 2431 13:52:27.212343  <6>[    5.363544] serio: i8042 KBD port at 0x60,0x64 irq 1

 2432 13:52:27.219263  <6>[    5.365764] rtc_cmos 00:02: RTC can wake from S4

 2433 13:52:27.226242  <6>[    5.368617] rtc_cmos 00:02: registered as rtc0

 2434 13:52:27.236065  <6>[    5.368934] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2

 2435 13:52:27.242536  <6>[    5.368966] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram

 2436 13:52:27.249118  <6>[    5.370329] i801_smbus 0000:00:1f.4: SPD Write Disable is set

 2437 13:52:27.255564  <6>[    5.370381] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt

 2438 13:52:27.262147  <6>[    5.371444] i2c i2c-9: 2/2 memory slots populated (from DMI)

 2439 13:52:27.268645  <6>[    5.376833] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device

 2440 13:52:27.278713  <6>[    5.388415] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com

 2441 13:52:27.288505  <6>[    5.397502] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0)

 2442 13:52:27.295158  <6>[    5.400589] intel_pstate: Intel P-state driver initializing

 2443 13:52:27.308520  <6>[    5.515052] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_A:0.0.12/bf248b9d RW_A:0.5.230/cr50_v2.94_mp.295-213e4

 2444 13:52:27.311779  <6>[    5.537527] intel_pstate: HWP enabled

 2445 13:52:27.318367  <6>[    5.597609] usb 1-3: new full-speed USB device number 2 using xhci_hcd

 2446 13:52:27.324591  <6>[    5.604121] sdhci: Secure Digital Host Controller Interface driver

 2447 13:52:27.334950  <6>[    5.736671] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03

 2448 13:52:27.341379  <6>[    5.738579] sdhci: Copyright(c) Pierre Ossman

 2449 13:52:27.347889  <6>[    5.738653] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21)

 2450 13:52:27.358171  <6>[    5.744070] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0

 2451 13:52:27.364830  <6>[    5.750373] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit

 2452 13:52:27.374677  <6>[    5.850677] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2453 13:52:27.381212  <6>[    5.851194] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2454 13:52:27.391284  <6>[    5.872188] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00

 2455 13:52:27.397867  <6>[    5.876263] hid: raw HID events driver (C) Jiri Kosina

 2456 13:52:27.404699  <6>[    5.882397] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6

 2457 13:52:27.411448  <6>[    5.882400] usb 2-3: Product: USB 10/100/1000 LAN

 2458 13:52:27.417680  <6>[    5.882402] usb 2-3: Manufacturer: Realtek

 2459 13:52:27.424823  <6>[    5.890875] usbcore: registered new interface driver usbhid

 2460 13:52:27.428106  <6>[    5.898586] usb 2-3: SerialNumber: 001000001

 2461 13:52:27.434635  <6>[    5.907067] usbhid: USB HID core driver

 2462 13:52:27.448076  <6>[    5.957970] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3

 2463 13:52:27.457238  <6>[    5.976000] cros_ec_lpcs GOOG0004:00: Chrome EC device registered

 2464 13:52:27.470607  <6>[    5.983763] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100

 2465 13:52:27.476951  <6>[    5.994091] usb 1-9: new high-speed USB device number 3 using xhci_hcd

 2466 13:52:27.484114  <6>[    5.996183] ipip: IPv4 and MPLS over IPv4 tunneling driver

 2467 13:52:27.493989  <6>[    6.008457] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops)

 2468 13:52:27.500743  <6>[    6.018836] IPv4 over IPsec tunneling driver

 2469 13:52:27.503773  <6>[    6.024165] Initializing XFRM netlink socket

 2470 13:52:27.510206  <6>[    6.029654] NET: Registered protocol family 10

 2471 13:52:27.513417  <6>[    6.035803] Segment Routing with IPv6

 2472 13:52:27.520926  <6>[    6.040744] NET: Registered protocol family 17

 2473 13:52:27.527591  <5>[    6.046213] Key type dns_resolver registered

 2474 13:52:27.534279  <6>[    6.052054] microcode: sig=0x806e9, pf=0x10, revision=0x98

 2475 13:52:27.541020  <6>[    6.058536] microcode: Microcode Update Driver: v2.2.

 2476 13:52:27.543900  <6>[    6.058543] IPI shorthand broadcast: enabled

 2477 13:52:27.553983  <6>[    6.069817] sched_clock: Marking stable (5984156874, 85588195)->(6193519511, -123774442)

 2478 13:52:27.560579  <3>[    6.070935] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up

 2479 13:52:27.567475  <6>[    6.087014] registered taskstats version 1

 2480 13:52:27.573881  <5>[    6.091986] Loading compiled-in X.509 certificates

 2481 13:52:27.584095  <6>[    6.099784] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2482 13:52:27.590540  <6>[    6.101417] mmc0: new HS400 MMC card at address 0001

 2483 13:52:27.597203  <6>[    6.109858] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2484 13:52:27.604069  <6>[    6.114713] mmcblk0: mmc0:0001 DA4064 58.2 GiB 

 2485 13:52:27.607237  <6>[    6.123667] PM:   Magic number: 0:78:888

 2486 13:52:27.613658  <6>[    6.128100] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB

 2487 13:52:27.620908  <6>[    6.139779] printk: console [netcon0] enabled

 2488 13:52:27.627187  <6>[    6.139787] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB

 2489 13:52:27.634090  <6>[    6.144949] netconsole: network logging started

 2490 13:52:27.640879  <6>[    6.152005] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0)

 2491 13:52:27.650630  <6>[    6.160387] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07

 2492 13:52:27.660619  <6>[    6.175157] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2

 2493 13:52:27.667582  <6>[    6.182763]  mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12

 2494 13:52:27.670785  <6>[    6.183453] usb 1-9: Product: USB2.0 HD UVC WebCam

 2495 13:52:27.680826  <6>[    6.194378] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2496 13:52:27.684000  <6>[    6.195792] usb 1-9: Manufacturer: Azurewave

 2497 13:52:27.690583  <6>[    6.209354] usb 1-9: SerialNumber: 0x0001

 2498 13:52:27.702940  <6>[    6.219168] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2499 13:52:27.750374  <6>[    6.266734] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2500 13:52:27.795315  <6>[    6.311697] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully

 2501 13:52:27.828687  <6>[    6.348260] r8152 2-3:1.0 eth0: v1.11.11

 2502 13:52:27.838592  <6>[    6.353618] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2503 13:52:29.475956  <6>[    7.994944] r8152 2-3:1.0 eth0: carrier on

 2504 13:52:29.482036  <6>[    7.997729] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

 2505 13:52:31.702051  <5>[    8.010100] Sending DHCP requests .., OK

 2506 13:52:31.712222  <6>[   10.226519] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11

 2507 13:52:31.715477  <6>[   10.235785] IP-Config: Complete:

 2508 13:52:31.728943  <6>[   10.239713]      device=eth0, hwaddr=00:e0:4c:68:01:e7, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1

 2509 13:52:31.735312  <6>[   10.251691]      host=asus-c433ta-aj0005-rammus-cbg-1, domain=lava-rack, nis-domain=(none)

 2510 13:52:31.744991  <6>[   10.261232]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

 2511 13:52:31.748216  <6>[   10.261235]      nameserver0=192.168.201.1

 2512 13:52:31.758010  <5>[   10.274661] cfg80211: Loading compiled-in X.509 certificates for regulatory database

 2513 13:52:31.770682  <6>[   10.286972] modprobe (98) used greatest stack depth: 14200 bytes left

 2514 13:52:31.777961  <5>[   10.290226] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'

 2515 13:52:31.787461  <5>[   10.302268] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600'

 2516 13:52:31.797380  <4>[   10.311862] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2

 2517 13:52:31.800538  <6>[   10.315710] clk: Disabling unused clocks

 2518 13:52:31.807146  <6>[   10.321883] cfg80211: failed to load regulatory.db

 2519 13:52:31.810520  <6>[   10.326583] ALSA device list:

 2520 13:52:31.813813  <6>[   10.335796]   No soundcards found.

 2521 13:52:31.824027  <4>[   10.340259] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console

 2522 13:52:31.830313  <6>[   10.349910] Freeing unused kernel image (initmem) memory: 2148K

 2523 13:52:31.850065  <6>[   10.366869] Write protecting the kernel read-only data: 49152k

 2524 13:52:31.856838  <6>[   10.374717] Freeing unused kernel image (text/rodata gap) memory: 2028K

 2525 13:52:31.866703  <6>[   10.382542] Freeing unused kernel image (rodata/data gap) memory: 12K

 2526 13:52:31.869784  <6>[   10.390077] Run /init as init process

 2527 13:52:31.875927  Loading, please wait...

 2528 13:52:31.882579  <6>[   10.401349] ln (113) used greatest stack depth: 13560 bytes left

 2529 13:52:31.891940  Starting systemd-udevd version 252.22-1~deb12u1


 2530 13:52:32.133412  <6>[   10.653284] chromeos ramoops using acpi device.

 2531 13:52:32.143375  <6>[   10.655642] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2532 13:52:32.156116  <4>[   10.672794] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer.

 2533 13:52:32.169094  <6>[   10.685941] mmc1: SDHCI controller on PCI [0000:00:1e.6] using ADMA 64-bit

 2534 13:52:32.194663  <4>[   10.711326] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator

 2535 13:52:32.204856  <4>[   10.711881] elan_i2c i2c-ELAN0000:00: supply vcc not found, using dummy regulator

 2536 13:52:32.211400  <4>[   10.720248] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator

 2537 13:52:32.221976  <6>[   10.738713] idma64 idma64.0: Found Intel integrated DMA 64-bit

 2538 13:52:32.228751  <6>[   10.747604] idma64 idma64.1: Found Intel integrated DMA 64-bit

 2539 13:52:32.237453  <6>[   10.757526] Intel(R) Wireless WiFi driver for Linux

 2540 13:52:32.250902  <6>[   10.767544] iwlwifi 0000:01:00.0: Found debug destination: EXTERNAL_DRAM

 2541 13:52:32.257524  <6>[   10.772999] idma64 idma64.4: Found Intel integrated DMA 64-bit

 2542 13:52:32.264293  <6>[   10.775364] iwlwifi 0000:01:00.0: Found debug configuration: 0

 2543 13:52:32.277967  <6>[   10.791347] iwlwifi 0000:01:00.0: loaded firmware version 29.4063824552.0 7265D-29.ucode op_mode iwlmvm

 2544 13:52:32.284850  <6>[   10.796082] idma64 idma64.5: Found Intel integrated DMA 64-bit

 2545 13:52:32.291290  <6>[   10.804202] max98927 i2c-MX98927:00: MAX98927 revisionID: 0x42

 2546 13:52:32.301327  <6>[   10.816248] iwlwifi 0000:01:00.0: Detected Intel(R) Dual Band Wireless AC 7265, REV=0x210

 2547 13:52:32.308164  <6>[   10.825983] max98927 i2c-MX98927:01: MAX98927 revisionID: 0x42

 2548 13:52:32.323208  <6>[   10.839925] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM

 2549 13:52:32.333056  <6>[   10.848214] iwlwifi 0000:01:00.0: Allocated 0x00400000 bytes for firmware monitor.

 2550 13:52:32.343206  <6>[   10.852209] elan_i2c i2c-ELAN0000:00: Elan Touchpad: Module ID: 0x00c0, Firmware: 0x0002, Sample: 0x0003, IAP: 0x0000

 2551 13:52:32.353032  <6>[   10.865314] iwlwifi 0000:01:00.0: base HW address: 14:f6:d8:5a:a0:e1

 2552 13:52:32.363256  <6>[   10.869659] input: Elan Touchpad as /devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-7/i2c-ELAN0000:00/input/input4

 2553 13:52:32.389870  <6>[   10.909923] intel_pmc_core intel_pmc_core.0:  initialized

 2554 13:52:32.413798  <6>[   10.923942] 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/input5

 2555 13:52:32.428508  <6>[   10.941911] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00

 2556 13:52:32.440116  <4>[   10.956884] thermal thermal_zone6: failed to read out thermal zone (-61)

 2557 13:52:32.450694  <4>[   10.957131] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk

 2558 13:52:32.459820  <6>[   10.965329] proc_thermal 0000:00:04.0: Creating sysfs group for PROC_THERMAL_PCI

 2559 13:52:32.466588  <6>[   10.984942] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11

 2560 13:52:32.477038  <6>[   10.991722] iTCO_wdt: Found a Intel PCH TCO device (Version=4, TCOBASE=0x0400)

 2561 13:52:32.486964  <6>[   11.003665] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)

 2562 13:52:32.493932  <6>[   11.013994] Bluetooth: Core ver 2.22

 2563 13:52:32.500517  <6>[   11.014517] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4)

 2564 13:52:32.507265  <6>[   11.019170] NET: Registered protocol family 31

 2565 13:52:32.514108  <6>[   11.031802] Bluetooth: HCI device and connection manager initialized

 2566 13:52:32.520355  <6>[   11.040471] Registered efivars operations

 2567 13:52:32.527134  <6>[   11.040589] Bluetooth: HCI socket layer initialized

 2568 13:52:32.530667  <6>[   11.045302] gsmi version 1.0 loaded

 2569 13:52:32.536917  <6>[   11.051149] Bluetooth: L2CAP socket layer initialized

 2570 13:52:32.540521  <6>[   11.061253] Bluetooth: SCO socket layer initialized

 2571 13:52:32.547011  <6>[   11.061543] iwlwifi 0000:01:00.0 wlp1s0: renamed from wlan0

 2572 13:52:32.564398  <6>[   11.075878] 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/input7

 2573 13:52:32.572123  <6>[   11.088652] usbcore: registered new interface driver uvcvideo

 2574 13:52:32.575232  <6>[   11.095392] USB Video Class driver (1.1.1)

 2575 13:52:32.583846  <6>[   11.103298] usbcore: registered new interface driver btusb

 2576 13:52:32.599526  <6>[   11.115127] Bluetooth: hci0: read Intel version: 370810225019140f00

 2577 13:52:32.609252  <4>[   11.122738] bluetooth hci0: Direct firmware load for intel/ibt-hw-37.8.10-fw-22.50.19.14.f.bseq failed with error -2

 2578 13:52:32.622788  <3>[   11.134929] Bluetooth: hci0: failed to open Intel firmware file: intel/ibt-hw-37.8.10-fw-22.50.19.14.f.bseq (-2)

 2579 13:52:32.632824  <4>[   11.146741] bluetooth hci0: Direct firmware load for intel/ibt-hw-37.8.bseq failed with error -2

 2580 13:52:32.639492  <3>[   11.156889] Bluetooth: hci0: failed to open default fw file: intel/ibt-hw-37.8.bseq

 2581 13:52:32.654160  Begin: Loading essential drivers ... done.

 2582 13:52:32.657368  Begin: Running /scripts/init-premount ... done.

 2583 13:52:32.667459  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

 2584 13:52:32.677554  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

 2585 13:52:32.680755  Device /sys/class/net/eth0 found

 2586 13:52:32.680823  done.

 2587 13:52:32.687467  Begin: Waiting up to 180 secs for any network device to become available ... done.

 2588 13:52:32.694393  IP-Config: wlp1s0 hardware address 14:f6:d8:5a:a0:e1 mtu 1500 DHCP

 2589 13:52:32.703928  <6>[   11.220617] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM

 2590 13:52:32.793947  <6>[   11.310709] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM

 2591 13:52:32.804245  <6>[   11.321023] iwlwifi 0000:01:00.0: FW already configured (0) - re-configuring

 2592 13:52:32.846092  IP-Config: eth0 hardware address 00:e0:4c:68:01:e7 mtu 1500 DHCP

 2593 13:52:32.852896  IP-Config: eth0 complete (dhcp from 192.168.201.1):

 2594 13:52:32.859310   address: 192.168.201.11   broadcast: 192.168.201.255  netmask: 255.255.255.0   

 2595 13:52:32.872345   gateway: 192.168.201.1    dns0     : 192.168.201.1    <6>[   11.387041] ipconfig (185) used greatest stack depth: 12776 bytes left

 2596 13:52:32.875671  dns1   : 0.0.0.0         

 2597 13:52:32.882065   host   : asus-c433ta-aj0005-rammus-cbg-1                                 

 2598 13:52:32.892166   domain : lava-rack                                                       

 2599 13:52:32.895203   rootserver: 192.168.201.1 rootpath: 

 2600 13:52:32.895298   filename  : 

 2601 13:52:32.904820  <6>[   11.421241] nfsmount (186) used greatest stack depth: 12504 bytes left

 2602 13:52:32.904915  done.

 2603 13:52:32.916044  Begin: Running /scripts/nfs-bottom ... done.

 2604 13:52:32.941707  Begin: Running /scripts/init-bottom ... done.

 2605 13:52:34.122522  SELinux:  Could not open policy file <= /etc/selinux/targeted/policy/policy.33:  No such file or directory

 2606 13:52:34.338220  <30>[   12.824929] systemd[1]: systemd 252.22-1~deb12u1 running in system mode (+PAM +AUDIT +SELINUX +APPARMOR +IMA +SMACK +SECCOMP +GCRYPT -GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBFDISK +PCRE2 -PWQUALITY +P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD -BPF_FRAMEWORK -XKBCOMMON +UTMP +SYSVINIT default-hierarchy=unified)

 2607 13:52:34.344329  <30>[   12.861973] systemd[1]: Detected architecture x86-64.

 2608 13:52:34.349380  

 2609 13:52:34.352455  Welcome to Debian GNU/Linux 12 (bookworm)!

 2610 13:52:34.352525  


 2611 13:52:34.372295  <30>[   12.889016] systemd[1]: Hostname set to <debian-bookworm-amd64>.

 2612 13:52:34.924349  <30>[   13.440911] systemd[1]: Queued start job for default target graphical.target.

 2613 13:52:34.934917  <30>[   13.451357] systemd[1]: Created slice system-getty.slice - Slice /system/getty.

 2614 13:52:34.944864  [  OK  ] Created slice system-getty.slice - Slice /system/getty.


 2615 13:52:34.955958  <30>[   13.472481] systemd[1]: Created slice system-modprobe.slice - Slice /system/modprobe.

 2616 13:52:34.965752  [  OK  ] Created slice system-modpr…lice - Slice /system/modprobe.


 2617 13:52:34.981078  <30>[   13.494590] systemd[1]: Created slice system-serial\x2dgetty.slice - Slice /system/serial-getty.

 2618 13:52:34.987954  [  OK  ] Created slice system-seria… - Slice /system/serial-getty.


 2619 13:52:35.000945  <30>[   13.517443] systemd[1]: Created slice user.slice - User and Session Slice.

 2620 13:52:35.010683  [  OK  ] Created slice user.slice - User and Session Slice.


 2621 13:52:35.023983  <30>[   13.535331] systemd[1]: Started systemd-ask-password-console.path - Dispatch Password Requests to Console Directory Watch.

 2622 13:52:35.033876  [  OK  ] Started systemd-ask-passwo…quests to Console Directory Watch.


 2623 13:52:35.044035  <30>[   13.558157] systemd[1]: Started systemd-ask-password-wall.path - Forward Password Requests to Wall Directory Watch.

 2624 13:52:35.053708  [  OK  ] Started systemd-ask-passwo… Requests to Wall Directory Watch.


 2625 13:52:35.074371  <30>[   13.584119] systemd[1]: Set up automount proc-sys-fs-binfmt_misc.automount - Arbitrary Executable File Formats File System Automount Point.

 2626 13:52:35.083884  [  OK  ] Set up automount proc-sys-…rmats File System Automount Point.


 2627 13:52:35.094492  <30>[   13.610982] systemd[1]: Expecting device dev-ttyS0.device - /dev/ttyS0...

 2628 13:52:35.100945           Expecting device dev-ttyS0.device - /dev/ttyS0...


 2629 13:52:35.112456  <30>[   13.628955] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes.

 2630 13:52:35.122378  [  OK  ] Reached target cryptsetup.…get - Local Encrypted Volumes.


 2631 13:52:35.132163  <30>[   13.647994] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes.

 2632 13:52:35.142384  [  OK  ] Reached target integrityse…Local Integrity Protected Volumes.


 2633 13:52:35.154419  <30>[   13.670968] systemd[1]: Reached target paths.target - Path Units.

 2634 13:52:35.160825  [  OK  ] Reached target paths.target - Path Units.


 2635 13:52:35.171357  <30>[   13.687927] systemd[1]: Reached target remote-fs.target - Remote File Systems.

 2636 13:52:35.181023  [  OK  ] Reached target remote-fs.target - Remote File Systems.


 2637 13:52:35.187758  <30>[   13.705968] systemd[1]: Reached target slices.target - Slice Units.

 2638 13:52:35.197739  [  OK  ] Reached target slices.target - Slice Units.


 2639 13:52:35.204436  <30>[   13.722991] systemd[1]: Reached target swap.target - Swaps.

 2640 13:52:35.210975  [  OK  ] Reached target swap.target - Swaps.


 2641 13:52:35.222300  <30>[   13.738990] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes.

 2642 13:52:35.232049  [  OK  ] Reached target veritysetup… - Local Verity Protected Volumes.


 2643 13:52:35.247704  <30>[   13.761198] systemd[1]: Listening on systemd-initctl.socket - initctl Compatibility Named Pipe.

 2644 13:52:35.254531  [  OK  ] Listening on systemd-initc… initctl Compatibility Named Pipe.


 2645 13:52:35.269366  <30>[   13.785789] systemd[1]: Listening on systemd-journald-audit.socket - Journal Audit Socket.

 2646 13:52:35.279619  [  OK  ] Listening on systemd-journ…socket - Journal Audit Socket.


 2647 13:52:35.291600  <30>[   13.807640] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log).

 2648 13:52:35.301436  [  OK  ] Listening on systemd-journ…t - Journal Socket (/dev/log).


 2649 13:52:35.313571  <30>[   13.829837] systemd[1]: Listening on systemd-journald.socket - Journal Socket.

 2650 13:52:35.323050  [  OK  ] Listening on systemd-journald.socket - Journal Socket.


 2651 13:52:35.333144  <30>[   13.849519] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket.

 2652 13:52:35.343153  [  OK  ] Listening on systemd-netwo… - Network Service Netlink Socket.


 2653 13:52:35.357955  <30>[   13.874658] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket.

 2654 13:52:35.367779  [  OK  ] Listening on systemd-udevd….socket - udev Control Socket.


 2655 13:52:35.381118  <30>[   13.897714] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket.

 2656 13:52:35.390854  [  OK  ] Listening on systemd-udevd…l.socket - udev Kernel Socket.


 2657 13:52:35.403804  <30>[   13.920269] systemd[1]: Mounting dev-hugepages.mount - Huge Pages File System...

 2658 13:52:35.413631           Mounting dev-hugepages.mount - Huge Pages File System...


 2659 13:52:35.424739  <30>[   13.941360] systemd[1]: Mounting dev-mqueue.mount - POSIX Message Queue File System...

 2660 13:52:35.434591           Mounting dev-mqueue.mount…POSIX Message Queue File System...


 2661 13:52:35.444821  <30>[   13.961295] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System...

 2662 13:52:35.454501           Mounting sys-kernel-debug.… - Kernel Debug File System...


 2663 13:52:35.465828  <30>[   13.982457] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System...

 2664 13:52:35.475687           Mounting sys-kernel-tracin… - Kernel Trace File System...


 2665 13:52:35.491039  <30>[   14.004322] systemd[1]: Starting kmod-static-nodes.service - Create List of Static Device Nodes...

 2666 13:52:35.497324           Starting kmod-static-nodes…ate List of Static Device Nodes...


 2667 13:52:35.510182  <30>[   14.026625] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs...

 2668 13:52:35.519852           Starting modprobe@configfs…m - Load Kernel Module configfs...


 2669 13:52:35.531808  <30>[   14.048644] systemd[1]: Starting modprobe@dm_mod.service - Load Kernel Module dm_mod...

 2670 13:52:35.541869           Starting modprobe@dm_mod.s…[0m - Load Kernel Module dm_mod...


 2671 13:52:35.552887  <30>[   14.069736] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm...

 2672 13:52:35.563060           Starting modprobe@drm.service - Load Kernel Module drm...


 2673 13:52:35.577285  <30>[   14.090685] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore...

 2674 13:52:35.584032           Starting modprobe@efi_psto…- Load Kernel Module efi_pstore...


 2675 13:52:35.596206  <30>[   14.112768] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse...

 2676 13:52:35.605821           Starting modprobe@fuse.ser…e - Load Kernel Module fuse...


 2677 13:52:35.616910  <30>[   14.133566] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop...

 2678 13:52:35.626845           Starting modprobe@loop.ser…e - Load Kernel Module loop...


 2679 13:52:35.630196  <6>[   14.151675] fuse: init (API version 7.32)

 2680 13:52:35.641343  <30>[   14.158008] systemd[1]: Starting systemd-journald.service - Journal Service...

 2681 13:52:35.647738           Starting systemd-journald.service - Journal Service...


 2682 13:52:35.669472  <30>[   14.186186] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules...

 2683 13:52:35.679317           Starting systemd-modules-l…rvice - Load Kernel Modules...


 2684 13:52:35.693053  <30>[   14.206446] systemd[1]: Starting systemd-network-generator.service - Generate network units from Kernel command line...

 2685 13:52:35.703028           Starting systemd-network-g… units from Kernel command line...


 2686 13:52:35.720068  <30>[   14.233134] systemd[1]: Starting systemd-remount-fs.service - Remount Root and Kernel File Systems...

 2687 13:52:35.726568           Starting systemd-remount-f…nt Root and Kernel File Systems...


 2688 13:52:35.738874  <30>[   14.255765] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices...

 2689 13:52:35.748899           Starting systemd-udev-trig…[0m - Coldplug All udev Devices...


 2690 13:52:35.764255  <30>[   14.280771] systemd[1]: Mounted dev-hugepages.mount - Huge Pages File System.

 2691 13:52:35.774103  [  OK  ] Mounted dev-hugepages.mount - Huge Pages File System.


 2692 13:52:35.783818  <30>[   14.298957] systemd[1]: Mounted dev-mqueue.mount - POSIX Message Queue File System.

 2693 13:52:35.793934  [  OK  ] Mounted dev-mqueue.mount[…- POSIX Message Queue File System.


 2694 13:52:35.803778  <30>[   14.319924] systemd[1]: Mounted sys-kernel-debug.mount - Kernel Debug File System.

 2695 13:52:35.813470  [  OK  ] Mounted sys-kernel-debug.m…nt - Kernel Debug File System.


 2696 13:52:35.824026  <30>[   14.340914] systemd[1]: Mounted sys-kernel-tracing.mount - Kernel Trace File System.

 2697 13:52:35.833934  [  OK  ] Mounted sys-kernel-tracing…nt - Kernel Trace File System.


 2698 13:52:35.849383  <30>[   14.362882] systemd[1]: Finished kmod-static-nodes.service - Create List of Static Device Nodes.

 2699 13:52:35.856238  [  OK  ] Finished kmod-static-nodes…reate List of Static Device Nodes.


 2700 13:52:35.869233  <30>[   14.386011] systemd[1]: Started systemd-journald.service - Journal Service.

 2701 13:52:35.878858  [  OK  ] Started systemd-journald.service - Journal Service.


 2702 13:52:35.889721  [  OK  ] Finished modprobe@configfs…[0m - Load Kernel Module configfs.


 2703 13:52:35.903265  [  OK  ] Finished modprobe@dm_mod.s…e - Load Kernel Module dm_mod.


 2704 13:52:35.916158  [  OK  ] Finished modprobe@drm.service - Load Kernel Module drm.


 2705 13:52:35.929645  [  OK  ] Finished modprobe@efi_psto…m - Load Kernel Module efi_pstore.


 2706 13:52:35.942487  [  OK  ] Finished modprobe@fuse.service - Load Kernel Module fuse.


 2707 13:52:35.955571  [  OK  ] Finished modprobe@loop.service - Load Kernel Module loop.


 2708 13:52:35.967514  [  OK  ] Finished systemd-modules-l…service - Load Kernel Modules.


 2709 13:52:35.979792  [  OK  ] Finished systemd-network-g…rk units from Kernel command line.


 2710 13:52:35.991994  [  OK  ] Finished systemd-remount-f…ount Root and Kernel File Systems.


 2711 13:52:36.004555  [  OK  ] Reached target network-pre…get - Preparation for Network.


 2712 13:52:36.017947           Mounting sys-fs-fuse-conne… - FUSE Control File System...


 2713 13:52:36.028995  <6>[   14.545710] mount (229) used greatest stack depth: 12440 bytes left

 2714 13:52:36.035703           Mounting sys-kernel-config…ernel Configuration File System...


 2715 13:52:36.047322           Starting systemd-journal-f…h Journal to Persistent Storage...


 2716 13:52:36.057958           Starting systemd-random-se…ice - Load/Save Random Seed...


 2717 13:52:36.071409           Starting systemd-sysctl.se…ce - Apply Kernel Variables...


 2718 13:52:36.085227  <46>[   14.601767] systemd-journald[224]: Received client request to flush runtime journal.

 2719 13:52:36.094907           Starting systemd-sysusers.…rvice - Create System Users...


 2720 13:52:36.110758  [  OK  ] Mounted sys-fs-fuse-connec…nt - FUSE Control File System.


 2721 13:52:36.123486  [  OK  ] Mounted sys-kernel-config.… Kernel Configuration File System.


 2722 13:52:36.136074  [  OK  ] Finished systemd-random-se…rvice - Load/Save Random Seed.


 2723 13:52:36.149003  [  OK  ] Finished systemd-sysctl.service - Apply Kernel Variables.


 2724 13:52:36.236220  [  OK  ] Finished systemd-udev-trig…e - Coldplug All udev Devices.


 2725 13:52:36.856468  [  OK  ] Finished systemd-sysusers.service - Create System Users.


 2726 13:52:36.867718           Starting systemd-tmpfiles-…ate Static Device Nodes in /dev...


 2727 13:52:37.544246  [  OK  ] Finished systemd-journal-f…ush Journal to Persistent Storage.


 2728 13:52:37.585512  [  OK  ] Finished systemd-tmpfiles-…reate Static Device Nodes in /dev.


 2729 13:52:37.596777  [  OK  ] Reached target local-fs-pr…reparation for Local File Systems.


 2730 13:52:37.607574  [  OK  ] Reached target local-fs.target - Local File Systems.


 2731 13:52:37.627079           Starting systemd-binfmt.se…et Up Additional Binary Formats...


 2732 13:52:37.642142           Starting systemd-tmpfiles-… Volatile Files and Directories...


 2733 13:52:37.657733           Starting systemd-udevd.ser…ger for Device Events and Files...


 2734 13:52:37.674355           Mounting proc-sys-fs-binfm…utable File Formats File System...


 2735 13:52:37.687880  [  OK  ] Mounted proc-sys-fs-binfmt…ecutable File Formats File System.


 2736 13:52:37.702096  [  OK  ] Finished systemd-binfmt.se… Set Up Additional Binary Formats.


 2737 13:52:37.848010  [  OK  ] Started systemd-udevd.serv…nager for Device Events and Files.


 2738 13:52:37.862591           Starting systemd-networkd.…ice - Network Configuration...


 2739 13:52:37.882961  [  OK  ] Finished systemd-tmpfiles-…te Volatile Files and Directories.


 2740 13:52:38.008054           Starting systemd-timesyncd… - Network Time Synchronization...


 2741 13:52:38.018730           Starting systemd-update-ut…rd System Boot/Shutdown in UTMP...


 2742 13:52:38.161883  [  OK  ] Found device dev-ttyS0.dev…oint-LP Serial IO UART Controller.


 2743 13:52:38.439420  [  OK  ] Finished systemd-update-ut…cord System Boot/Shutdown in UTMP.


 2744 13:52:38.462028  [  OK  ] Created slice system-syste…- Slice /system/systemd-backlight.


 2745 13:52:38.474092  [  OK  ] Reached target bluetooth.target - Bluetooth Support.


 2746 13:52:38.484038  [  OK  ] Listening on systemd-rfkil…l Switch Status /dev/rfkill Watch.


 2747 13:52:38.496976           Starting systemd-backlight…ss of backlight:intel_backlight...


 2748 13:52:38.508988           Starting systemd-backlight…of leds:chromeos::kbd_backlight...


 2749 13:52:38.521979           Starting systemd-rfkill.se…Load/Save RF Kill Switch Status...


 2750 13:52:38.538711  [  OK  ] Started systemd-networkd.service - Network Configuration.


 2751 13:52:38.550637  [  OK  ] Started systemd-timesyncd.…0m - Network Time Synchronization.


 2752 13:52:38.561645  [  OK  ] Finished systemd-backlight…ness of backlight:intel_backlight.


 2753 13:52:38.575819  [  OK  ] Started systemd-rfkill.ser…- Load/Save RF Kill Switch Status.


 2754 13:52:38.588805  [  OK  ] Finished systemd-backlight…s of leds:chromeos::kbd_backlight.


 2755 13:52:38.599994  [  OK  ] Reached target network.target - Network.


 2756 13:52:38.610404  [  OK  ] Reached target sysinit.target - System Initialization.


 2757 13:52:38.622003  [  OK  ] Started systemd-tmpfiles-c… Cleanup of Temporary Directories.


 2758 13:52:38.631721  [  OK  ] Reached target time-set.target - System Time Set.


 2759 13:52:38.654663  [  OK  ] Started apt-daily.timer - Daily apt download activities.


 2760 13:52:38.673466  [  OK  ] Started apt-daily-upgrade.… apt upgrade and clean activities.


 2761 13:52:38.687737  [  OK  ] Started dpkg-db-backup.tim… Daily dpkg database backup timer.


 2762 13:52:38.707648  [  OK  ] Started e2scrub_all.timer…etadata Check for All Filesystems.


 2763 13:52:38.727773  [  OK  ] Started fstrim.timer - Discard unused blocks once a week.


 2764 13:52:38.737661  [  OK  ] Reached target timers.target - Timer Units.


 2765 13:52:38.798859  [  OK  ] Listening on dbus.socket[…- D-Bus System Message Bus Socket.


 2766 13:52:38.811046  [  OK  ] Reached target sockets.target - Socket Units.


 2767 13:52:38.821896  [  OK  ] Reached target basic.target - Basic System.


 2768 13:52:38.845198           Starting dbus.service - D-Bus System Message Bus...


 2769 13:52:38.884670           Starting e2scrub_reap.serv…e ext4 Metadata Check Snapshots...


 2770 13:52:38.954968           Starting systemd-logind.se…ice - User Login Management...


 2771 13:52:38.973000           Starting systemd-user-sess…vice - Permit User Sessions...


 2772 13:52:39.019586  [  OK  ] Finished systemd-user-sess…ervice - Permit User Sessions.


 2773 13:52:39.035142  [  OK  ] Started getty@tty1.service - Getty on tty1.


 2774 13:52:39.046288  [  OK  ] Started serial-getty@ttyS0…rvice - Serial Getty on ttyS0.


 2775 13:52:39.058746  [  OK  ] Reached target getty.target - Login Prompts.


 2776 13:52:39.237781  [  OK  ] Started dbus.service - D-Bus System Message Bus.


 2777 13:52:39.319061  [  OK  ] Finished e2scrub_reap.serv…ine ext4 Metadata Check Snapshots.


 2778 13:52:39.331714  [  OK  ] Started systemd-logind.service - User Login Management.


 2779 13:52:39.345991  [  OK  ] Reached target multi-user.target - Multi-User System.


 2780 13:52:39.358626  [  OK  ] Reached target graphical.target - Graphical Interface.


 2781 13:52:39.370622           Starting systemd-update-ut… Record Runlevel Change in UTMP...


 2782 13:52:39.459144  [  OK  ] Finished systemd-update-ut… - Record Runlevel Change in UTMP.


 2783 13:52:39.526995  


 2784 13:52:39.530676  Debian GNU/Linux 12 debian-bookworm-amd64 ttyS0

 2785 13:52:39.531104  

 2786 13:52:39.536646  debian-bookworm-amd64 login: root (automatic login)

 2787 13:52:39.537108  


 2788 13:52:39.769003  Linux debian-bookworm-amd64 5.10.222-cip50 #1 SMP Thu Jul 18 13:38:15 UTC 2024 x86_64

 2789 13:52:39.769508  

 2790 13:52:39.775445  The programs included with the Debian GNU/Linux system are free software;

 2791 13:52:39.782148  the exact distribution terms for each program are described in the

 2792 13:52:39.788654  individual files in /usr/share/doc/*/copyright.

 2793 13:52:39.788732  

 2794 13:52:39.795222  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 2795 13:52:39.798498  permitted by applicable law.

 2796 13:52:40.585378  Matched prompt #10: / #
 2798 13:52:40.585613  Setting prompt string to ['/ #']
 2799 13:52:40.585700  end: 2.2.5.1 login-action (duration 00:00:17) [common]
 2801 13:52:40.585873  end: 2.2.5 auto-login-action (duration 00:00:20) [common]
 2802 13:52:40.585954  start: 2.2.6 expect-shell-connection (timeout 00:04:04) [common]
 2803 13:52:40.586014  Setting prompt string to ['/ #']
 2804 13:52:40.586069  Forcing a shell prompt, looking for ['/ #']
 2805 13:52:40.586123  Sending line: ''
 2807 13:52:40.636483  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 2808 13:52:40.636556  Waiting using forced prompt support (timeout 00:02:30)
 2809 13:52:40.644219  / # 

 2810 13:52:40.644508  end: 2.2.6 expect-shell-connection (duration 00:00:00) [common]
 2811 13:52:40.644602  start: 2.2.7 export-device-env (timeout 00:04:04) [common]
 2812 13:52:40.644679  Sending line: "export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/14880252/extract-nfsrootfs-x3z3wgni'"
 2814 13:52:40.750043  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/14880252/extract-nfsrootfs-x3z3wgni'

 2815 13:52:40.797468  Sending line: "export NFS_SERVER_IP='192.168.201.1'"
 2817 13:52:40.903619  / # export NFS_SERVER_IP='192.168.201.1'

 2818 13:52:40.907070  end: 2.2.7 export-device-env (duration 00:00:00) [common]
 2819 13:52:40.907170  end: 2.2 depthcharge-retry (duration 00:00:56) [common]
 2820 13:52:40.907260  end: 2 depthcharge-action (duration 00:00:56) [common]
 2821 13:52:40.907345  start: 3 lava-test-retry (timeout 00:08:41) [common]
 2822 13:52:40.907428  start: 3.1 lava-test-shell (timeout 00:08:41) [common]
 2823 13:52:40.907500  Using namespace: common
 2824 13:52:40.907566  Sending line: '#'
 2826 13:52:41.008139  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 2827 13:52:41.013108  / # #

 2828 13:52:41.013523  Using /lava-14880252
 2829 13:52:41.013634  Sending line: 'export SHELL=/bin/bash'
 2831 13:52:41.119400  / # export SHELL=/bin/bash

 2832 13:52:41.122664  Sending line: '. /lava-14880252/environment'
 2834 13:52:41.228231  / # . /lava-14880252/environment

 2835 13:52:41.234647  Sending line: '/lava-14880252/bin/lava-test-runner /lava-14880252/0'
 2837 13:52:41.335187  Test shell timeout: 10s (minimum of the action and connection timeout)
 2838 13:52:41.340176  / # /lava-14880252/bin/lava-test-runner /lava-14880252/0

 2839 13:52:41.549376  + export TESTRUN_ID=0_timesync-off

 2840 13:52:41.549504  + TESTRUN_ID=0_timesync-off

 2841 13:52:41.555707  + cd /lava-14880252/0/tests/0_timesync-off

 2842 13:52:41.555820  ++ cat uuid

 2843 13:52:41.559450  + UUID=14880252_1.5.2.3.1

 2844 13:52:41.559575  + set +x

 2845 13:52:41.565988  <LAVA_SIGNAL_STARTRUN 0_timesync-off 14880252_1.5.2.3.1>

 2846 13:52:41.566291  Received signal: <STARTRUN> 0_timesync-off 14880252_1.5.2.3.1
 2847 13:52:41.566365  Starting test lava.0_timesync-off (14880252_1.5.2.3.1)
 2848 13:52:41.566446  Skipping test definition patterns.
 2849 13:52:41.568981  + systemctl stop systemd-timesyncd

 2850 13:52:41.590321  <6>[   20.106747] systemd-timesyn (274) used greatest stack depth: 12424 bytes left

 2851 13:52:41.590460  + set +x

 2852 13:52:41.596683  <LAVA_SIGNAL_ENDRUN 0_timesync-off 14880252_1.5.2.3.1>

 2853 13:52:41.596994  Received signal: <ENDRUN> 0_timesync-off 14880252_1.5.2.3.1
 2854 13:52:41.597100  Ending use of test pattern.
 2855 13:52:41.597185  Ending test lava.0_timesync-off (14880252_1.5.2.3.1), duration 0.03
 2857 13:52:41.634666  + export TESTRUN_ID=1_kselftest-lkdtm

 2858 13:52:41.638025  + TESTRUN_ID=1_kselftest-lkdtm

 2859 13:52:41.641284  + cd /lava-14880252/0/tests/1_kselftest-lkdtm

 2860 13:52:41.641406  ++ cat uuid

 2861 13:52:41.644408  + UUID=14880252_1.5.2.3.5

 2862 13:52:41.644511  + set +x

 2863 13:52:41.651056  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 14880252_1.5.2.3.5>

 2864 13:52:41.651341  Received signal: <STARTRUN> 1_kselftest-lkdtm 14880252_1.5.2.3.5
 2865 13:52:41.651410  Starting test lava.1_kselftest-lkdtm (14880252_1.5.2.3.5)
 2866 13:52:41.651507  Skipping test definition patterns.
 2867 13:52:41.654561  + cd ./automated/linux/kselftest/

 2868 13:52:41.690974  + ./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/v5.10.221-cip50-141-g11050ba0789ee/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-12/kselftest.tar.xz -L '' -S /dev/null -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 -E ''

 2869 13:52:41.693963  INFO: install_deps skipped

 2870 13:52:42.165333  --2024-07-18 13:52:31--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.221-cip50-141-g11050ba0789ee/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-12/kselftest.tar.xz

 2871 13:52:42.175327  Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82

 2872 13:52:42.294835  Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected.

 2873 13:52:42.424240  HTTP request sent, awaiting response... 200 OK

 2874 13:52:42.427502  Length: 2830608 (2.7M) [application/octet-stream]

 2875 13:52:42.430828  Saving to: 'kselftest_armhf.tar.gz'

 2876 13:52:42.430924  

 2877 13:52:42.434324  

 2878 13:52:42.681750  kselftest_armhf.tar   0%[                    ]       0  --.-KB/s               

 2879 13:52:42.938392  kselftest_armhf.tar   1%[                    ]  47.81K   186KB/s               

 2880 13:52:43.195164  kselftest_armhf.tar   7%[>                   ] 216.08K   421KB/s               

 2881 13:52:43.503598  kselftest_armhf.tar  32%[=====>              ] 897.66K  1.14MB/s               

 2882 13:52:43.519331  kselftest_armhf.tar  46%[========>           ]   1.26M  1.17MB/s               

 2883 13:52:43.526102  kselftest_armhf.tar 100%[===================>]   2.70M  2.47MB/s    in 1.1s    

 2884 13:52:43.526278  

 2885 13:52:43.773305  2024-07-18 13:52:32 (2.47 MB/s) - 'kselftest_armhf.tar.gz' saved [2830608/2830608]

 2886 13:52:43.773436  

 2887 13:52:53.250837  skiplist:

 2888 13:52:53.254200  ========================================

 2889 13:52:53.257672  ========================================

 2890 13:52:53.298241  lkdtm:PANIC.sh

 2891 13:52:53.298455  lkdtm:BUG.sh

 2892 13:52:53.301705  lkdtm:WARNING.sh

 2893 13:52:53.304897  lkdtm:WARNING_MESSAGE.sh

 2894 13:52:53.305007  lkdtm:EXCEPTION.sh

 2895 13:52:53.308293  lkdtm:LOOP.sh

 2896 13:52:53.308377  lkdtm:EXHAUST_STACK.sh

 2897 13:52:53.311458  lkdtm:CORRUPT_STACK.sh

 2898 13:52:53.314666  lkdtm:CORRUPT_STACK_STRONG.sh

 2899 13:52:53.318320  lkdtm:CORRUPT_LIST_ADD.sh

 2900 13:52:53.321412  lkdtm:CORRUPT_LIST_DEL.sh

 2901 13:52:53.324841  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2902 13:52:53.328069  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2903 13:52:53.328163  lkdtm:UNSET_SMEP.sh

 2904 13:52:53.331312  lkdtm:DOUBLE_FAULT.sh

 2905 13:52:53.334819  lkdtm:CORRUPT_PAC.sh

 2906 13:52:53.338509  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2907 13:52:53.341079  lkdtm:OVERWRITE_ALLOCATION.sh

 2908 13:52:53.341186  lkdtm:WRITE_AFTER_FREE.sh

 2909 13:52:53.344613  lkdtm:READ_AFTER_FREE.sh

 2910 13:52:53.347934  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2911 13:52:53.351310  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2912 13:52:53.354502  lkdtm:SLAB_FREE_DOUBLE.sh

 2913 13:52:53.357552  lkdtm:SLAB_FREE_CROSS.sh

 2914 13:52:53.357630  lkdtm:SLAB_FREE_PAGE.sh

 2915 13:52:53.361087  lkdtm:SOFTLOCKUP.sh

 2916 13:52:53.364435  lkdtm:HARDLOCKUP.sh

 2917 13:52:53.364513  lkdtm:SPINLOCKUP.sh

 2918 13:52:53.367521  lkdtm:HUNG_TASK.sh

 2919 13:52:53.367598  lkdtm:EXEC_DATA.sh

 2920 13:52:53.371116  lkdtm:EXEC_STACK.sh

 2921 13:52:53.374190  lkdtm:EXEC_KMALLOC.sh

 2922 13:52:53.374270  lkdtm:EXEC_VMALLOC.sh

 2923 13:52:53.377728  lkdtm:EXEC_RODATA.sh

 2924 13:52:53.380856  lkdtm:EXEC_USERSPACE.sh

 2925 13:52:53.380967  lkdtm:EXEC_NULL.sh

 2926 13:52:53.383995  lkdtm:ACCESS_USERSPACE.sh

 2927 13:52:53.387714  lkdtm:ACCESS_NULL.sh

 2928 13:52:53.387793  lkdtm:WRITE_RO.sh

 2929 13:52:53.390850  lkdtm:WRITE_RO_AFTER_INIT.sh

 2930 13:52:53.393913  lkdtm:WRITE_KERN.sh

 2931 13:52:53.397133  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 2932 13:52:53.400708  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 2933 13:52:53.403954  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 2934 13:52:53.407097  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 2935 13:52:53.410508  lkdtm:REFCOUNT_DEC_ZERO.sh

 2936 13:52:53.414182  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 2937 13:52:53.417093  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 2938 13:52:53.420371  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 2939 13:52:53.423893  lkdtm:REFCOUNT_INC_ZERO.sh

 2940 13:52:53.427007  lkdtm:REFCOUNT_ADD_ZERO.sh

 2941 13:52:53.430682  lkdtm:REFCOUNT_INC_SATURATED.sh

 2942 13:52:53.434295  lkdtm:REFCOUNT_DEC_SATURATED.sh

 2943 13:52:53.437276  lkdtm:REFCOUNT_ADD_SATURATED.sh

 2944 13:52:53.440232  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 2945 13:52:53.443791  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 2946 13:52:53.450794  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 2947 13:52:53.453923  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 2948 13:52:53.457435  lkdtm:REFCOUNT_TIMING.sh

 2949 13:52:53.460440  lkdtm:ATOMIC_TIMING.sh

 2950 13:52:53.463578  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 2951 13:52:53.467161  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 2952 13:52:53.470436  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 2953 13:52:53.473394  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 2954 13:52:53.476792  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 2955 13:52:53.480194  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 2956 13:52:53.483421  lkdtm:USERCOPY_STACK_BEYOND.sh

 2957 13:52:53.486819  lkdtm:USERCOPY_KERNEL.sh

 2958 13:52:53.490062  lkdtm:STACKLEAK_ERASING.sh

 2959 13:52:53.493943  lkdtm:CFI_FORWARD_PROTO.sh

 2960 13:52:53.497193  ============== Tests to run ===============

 2961 13:52:53.497539  lkdtm:PANIC.sh

 2962 13:52:53.500351  lkdtm:BUG.sh

 2963 13:52:53.500681  lkdtm:WARNING.sh

 2964 13:52:53.504157  lkdtm:WARNING_MESSAGE.sh

 2965 13:52:53.507181  lkdtm:EXCEPTION.sh

 2966 13:52:53.507503  lkdtm:LOOP.sh

 2967 13:52:53.510646  lkdtm:EXHAUST_STACK.sh

 2968 13:52:53.513683  lkdtm:CORRUPT_STACK.sh

 2969 13:52:53.516848  lkdtm:CORRUPT_STACK_STRONG.sh

 2970 13:52:53.517362  lkdtm:CORRUPT_LIST_ADD.sh

 2971 13:52:53.520025  lkdtm:CORRUPT_LIST_DEL.sh

 2972 13:52:53.523367  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2973 13:52:53.526550  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2974 13:52:53.529925  lkdtm:UNSET_SMEP.sh

 2975 13:52:53.533368  lkdtm:DOUBLE_FAULT.sh

 2976 13:52:53.533534  lkdtm:CORRUPT_PAC.sh

 2977 13:52:53.536659  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2978 13:52:53.539716  lkdtm:OVERWRITE_ALLOCATION.sh

 2979 13:52:53.543216  lkdtm:WRITE_AFTER_FREE.sh

 2980 13:52:53.546495  lkdtm:READ_AFTER_FREE.sh

 2981 13:52:53.549929  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2982 13:52:53.552814  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2983 13:52:53.552918  lkdtm:SLAB_FREE_DOUBLE.sh

 2984 13:52:53.556180  lkdtm:SLAB_FREE_CROSS.sh

 2985 13:52:53.559607  lkdtm:SLAB_FREE_PAGE.sh

 2986 13:52:53.563069  lkdtm:SOFTLOCKUP.sh

 2987 13:52:53.563154  lkdtm:HARDLOCKUP.sh

 2988 13:52:53.566468  lkdtm:SPINLOCKUP.sh

 2989 13:52:53.566544  lkdtm:HUNG_TASK.sh

 2990 13:52:53.569652  lkdtm:EXEC_DATA.sh

 2991 13:52:53.572658  lkdtm:EXEC_STACK.sh

 2992 13:52:53.572732  lkdtm:EXEC_KMALLOC.sh

 2993 13:52:53.575902  lkdtm:EXEC_VMALLOC.sh

 2994 13:52:53.579282  lkdtm:EXEC_RODATA.sh

 2995 13:52:53.579358  lkdtm:EXEC_USERSPACE.sh

 2996 13:52:53.583053  lkdtm:EXEC_NULL.sh

 2997 13:52:53.586276  lkdtm:ACCESS_USERSPACE.sh

 2998 13:52:53.586351  lkdtm:ACCESS_NULL.sh

 2999 13:52:53.589156  lkdtm:WRITE_RO.sh

 3000 13:52:53.592428  lkdtm:WRITE_RO_AFTER_INIT.sh

 3001 13:52:53.592503  lkdtm:WRITE_KERN.sh

 3002 13:52:53.595772  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 3003 13:52:53.599019  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 3004 13:52:53.602744  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3005 13:52:53.609377  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3006 13:52:53.612678  lkdtm:REFCOUNT_DEC_ZERO.sh

 3007 13:52:53.612753  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 3008 13:52:53.619293  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3009 13:52:53.622411  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 3010 13:52:53.625843  lkdtm:REFCOUNT_INC_ZERO.sh

 3011 13:52:53.629135  lkdtm:REFCOUNT_ADD_ZERO.sh

 3012 13:52:53.629214  lkdtm:REFCOUNT_INC_SATURATED.sh

 3013 13:52:53.632197  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3014 13:52:53.635422  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3015 13:52:53.642267  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3016 13:52:53.645462  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3017 13:52:53.648723  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3018 13:52:53.652071  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3019 13:52:53.655198  lkdtm:REFCOUNT_TIMING.sh

 3020 13:52:53.658771  lkdtm:ATOMIC_TIMING.sh

 3021 13:52:53.662173  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3022 13:52:53.665360  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3023 13:52:53.668688  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3024 13:52:53.672034  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3025 13:52:53.675811  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3026 13:52:53.678580  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3027 13:52:53.681697  lkdtm:USERCOPY_STACK_BEYOND.sh

 3028 13:52:53.685100  lkdtm:USERCOPY_KERNEL.sh

 3029 13:52:53.688249  lkdtm:STACKLEAK_ERASING.sh

 3030 13:52:53.688343  lkdtm:CFI_FORWARD_PROTO.sh

 3031 13:52:53.694960  ===========End Tests to run ===============

 3032 13:52:53.695067  shardfile-lkdtm pass

 3033 13:52:53.892820  <12>[   32.412722] kselftest: Running tests in lkdtm

 3034 13:52:53.899004  TAP version 13

 3035 13:52:53.909122  1..70

 3036 13:52:53.914955  # selftests: lkdtm: PANIC.sh

 3037 13:52:54.305076  # Skipping PANIC: crashes entire system

 3038 13:52:54.308520  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 3039 13:52:54.311928  # selftests: lkdtm: BUG.sh

 3040 13:52:54.394145  <6>[   32.913751] lkdtm: Performing direct entry BUG

 3041 13:52:54.400336  <4>[   32.919096] ------------[ cut here ]------------

 3042 13:52:54.407254  <2>[   32.924566] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3043 13:52:54.410530  <4>[   32.930718] invalid opcode: 0000 [#1] SMP PTI

 3044 13:52:54.417491  <4>[   32.935881] CPU: 2 PID: 666 Comm: cat Not tainted 5.10.222-cip50 #1

 3045 13:52:54.423760  <4>[   32.943173] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3046 13:52:54.430639  <4>[   32.950270] RIP: 0010:lkdtm_BUG+0x5/0x10

 3047 13:52:54.450387  <4>[   32.954943] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 3048 13:52:54.456947  <4>[   32.976215] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 3049 13:52:54.466824  <4>[   32.982341] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 3050 13:52:54.473102  <4>[   32.990592] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 3051 13:52:54.483416  <4>[   32.998851] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 3052 13:52:54.489700  <4>[   33.007109] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 3053 13:52:54.499757  <4>[   33.015369] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 3054 13:52:54.506393  <4>[   33.023631] FS:  00007ff246f85740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 3055 13:52:54.516052  <4>[   33.032961] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3056 13:52:54.523188  <4>[   33.039688] CR2: 00007ff246f64000 CR3: 0000000107012001 CR4: 00000000003706e0

 3057 13:52:54.526139  <4>[   33.047947] Call Trace:

 3058 13:52:54.529438  <4>[   33.050966]  ? __die_body.cold+0x1a/0x1f

 3059 13:52:54.532749  <4>[   33.055643]  ? die+0x2a/0x50

 3060 13:52:54.539432  <4>[   33.059152]  ? do_trap+0x86/0x100

 3061 13:52:54.543006  <4>[   33.063130]  ? lkdtm_BUG+0x5/0x10

 3062 13:52:54.546015  <4>[   33.067120]  ? lkdtm_BUG+0x5/0x10

 3063 13:52:54.549900  <4>[   33.071108]  ? do_error_trap+0x7d/0x110

 3064 13:52:54.556010  <4>[   33.075676]  ? lkdtm_BUG+0x5/0x10

 3065 13:52:54.559224  <4>[   33.079679]  ? exc_invalid_op+0x4c/0x60

 3066 13:52:54.562626  <4>[   33.084249]  ? lkdtm_BUG+0x5/0x10

 3067 13:52:54.569012  <4>[   33.088240]  ? asm_exc_invalid_op+0x12/0x20

 3068 13:52:54.572436  <4>[   33.093201]  ? direct_entry+0xe0/0xe0

 3069 13:52:54.575875  <4>[   33.097578]  ? lkdtm_BUG+0x5/0x10

 3070 13:52:54.582332  <4>[   33.101570]  direct_entry.cold+0x2c/0x38

 3071 13:52:54.585605  <4>[   33.106241]  full_proxy_write+0x53/0x80

 3072 13:52:54.589399  <4>[   33.110814]  vfs_write+0xf0/0x3c0

 3073 13:52:54.592356  <4>[   33.114803]  ksys_write+0x74/0xf0

 3074 13:52:54.598979  <4>[   33.118793]  do_syscall_64+0x30/0x40

 3075 13:52:54.606033  <4>[   33.123073]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 3076 13:52:54.609061  <4>[   33.129005] RIP: 0033:0x7ff247080240

 3077 13:52:54.628724  <4>[   33.133285] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 3078 13:52:54.638605  <4>[   33.154553] RSP: 002b:00007ffcd60d0bf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 3079 13:52:54.645448  <4>[   33.163301] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff247080240

 3080 13:52:54.655307  <4>[   33.171565] RDX: 0000000000000004 RSI: 00007ff246f64000 RDI: 0000000000000001

 3081 13:52:54.661805  <4>[   33.179818] RBP: 0000000000000004 R08: 00000000ffffffff R09: 0000000000000000

 3082 13:52:54.671735  <4>[   33.188069] R10: 00007ff246fa14d0 R11: 0000000000000202 R12: 00007ff246f64000

 3083 13:52:54.678360  <4>[   33.196332] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 3084 13:52:54.760556  <4>[   33.204595] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 3085 13:52:54.769010  <0>[   33.288936] gsmi: Log Shutdown Reason 0x03

 3086 13:52:54.775525  <4>[   33.293831] ---[ end trace 242e5a7a3af61dc4 ]---

 3087 13:52:54.778940  <4>[   33.299282] RIP: 0010:lkdtm_BUG+0x5/0x10

 3088 13:52:54.798559  <4>[   33.303956] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 3089 13:52:54.805733  <4>[   33.325239] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 3090 13:52:54.815256  <4>[   33.331376] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 3091 13:52:54.821942  <4>[   33.339646] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 3092 13:52:54.831539  <4>[   33.347917] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 3093 13:52:54.838226  <4>[   33.356187] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 3094 13:52:54.848216  <4>[   33.364461] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 3095 13:52:54.857913  <4>[   33.372745] FS:  00007ff246f85740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 3096 13:52:54.864430  <4>[   33.382107] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3097 13:52:54.871141  <4>[   33.388846] CR2: 00007ff246f64000 CR3: 0000000107012001 CR4: 00000000003706e0

 3098 13:52:54.874375  # Segmentation fault

 3099 13:52:54.893228  # [   32.913751] lkdtm: Performing direct entry BUG

 3100 13:52:54.899900  # [   32.919096] ------------[ cut here ]------------

 3101 13:52:54.903098  # [   32.924566] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3102 13:52:54.909550  # [   32.930718] invalid opcode: 0000 [#1] SMP PTI

 3103 13:52:54.916409  # [   32.935881] CPU: 2 PID: 666 Comm: cat Not tainted 5.10.222-cip50 #1

 3104 13:52:54.922834  # [   32.943173] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3105 13:52:54.929385  # [   32.950270] RIP: 0010:lkdtm_BUG+0x5/0x10

 3106 13:52:54.949259  # [   32.954943] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 3107 13:52:54.955898  # [   32.976215] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 3108 13:52:54.965960  # [   32.982341] RAX: ffffffff96f<6>[   33.481184] lkdtm: Performing direct entry WARNING

 3109 13:52:54.969181  <4>[   33.489442] ------------[ cut here ]------------

 3110 13:52:54.978730  <4>[   33.494904] WARNING: CPU: 3 PID: 704 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3111 13:52:54.985509  95100 RBX: 0000000000000001 RCX: 0000000000000000

 3112 13:52:55.068245  # [   32.9905<4>[   33.504633] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 3113 13:52:55.078073  <4>[   33.593211] CPU: 3 PID: 704 Comm: cat Tainted: G      D           5.10.222-cip50 #1

 3114 13:52:55.091095  92] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e<4>[   33.602092] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3115 13:52:55.094667  <4>[   33.615405] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3116 13:52:55.097794  40bf0

 3117 13:52:55.124264  # [   32.998851] RBP: 0000000000000004 R08: 0000000000000<4>[   33.620587] Code: cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 11 dd

 3118 13:52:55.127958  <4>[   33.648069] RSP: 0018:ffffb0908150fe70 EFLAGS: 00010202

 3119 13:52:55.137694  <4>[   33.654195] RAX: ffffffff96f95110 RBX: 0000000000000002 RCX: 0000000000000000

 3120 13:52:55.144084  <4>[   33.662460] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffffffff98e40c00

 3121 13:52:55.154096  <4>[   33.670722] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000

 3122 13:52:55.160836  <4>[   33.678985] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908150ff10

 3123 13:52:55.170669  <4>[   33.687247] R13: ffffffff992c8d3f R14: ffff8c7a4431f000 R15: ffffb0908150ff10

 3124 13:52:55.180439  <4>[   33.695508] FS:  00007f64cc068740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 3125 13:52:55.187308  <4>[   33.704838] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3126 13:52:55.193540  <4>[   33.711547] CR2: 00007f64cc047000 CR3: 000000010639c004 CR4: 00000000003706e0

 3127 13:52:55.197043  <4>[   33.719809] Call Trace:

 3128 13:52:55.200509  <4>[   33.722851]  ? __warn+0x80/0x110

 3129 13:52:55.203763  001 R09: 0000000000000001

 3130 13:52:55.213560  # [   33.007109] R10: 00000000ffffdff<4>[   33.726755]  ? lkdtm_WARNING+0x13/0x20

 3131 13:52:55.216986  <4>[   33.737441]  ? report_bug+0x99/0xc0

 3132 13:52:55.220076  <4>[   33.741667]  ? handle_bug+0x41/0x80

 3133 13:52:55.226872  <4>[   33.745876]  ? exc_invalid_op+0x13/0x60

 3134 13:52:55.230228  <4>[   33.750448]  ? asm_exc_invalid_op+0x12/0x20

 3135 13:52:55.233699  <4>[   33.755436]  ? lkdtm_BUG+0x10/0x10

 3136 13:52:55.239935  <4>[   33.759548]  ? lkdtm_WARNING+0x13/0x20

 3137 13:52:55.243867  <4>[   33.764025]  direct_entry.cold+0x2c/0x38

 3138 13:52:55.246636  <4>[   33.768696]  full_proxy_write+0x53/0x80

 3139 13:52:55.253387  <4>[   33.773271]  vfs_write+0xf0/0x3c0

 3140 13:52:55.256753  <4>[   33.777263]  ksys_write+0x74/0xf0

 3141 13:52:55.259989  <4>[   33.781254]  do_syscall_64+0x30/0x40

 3142 13:52:55.266530  <4>[   33.785537]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 3143 13:52:55.269795  <4>[   33.791473] RIP: 0033:0x7f64cc163240

 3144 13:52:55.292852  <4>[   33.795779] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 3145 13:52:55.299814  <4>[   33.817059] RSP: 002b:00007ffe2624e828 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 3146 13:52:55.309543  <4>[   33.825811] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f64cc163240

 3147 13:52:55.316107  <4>[   33.834076] RDX: 0000000000000008 RSI: 00007f64cc047000 RDI: 0000000000000001

 3148 13:52:55.326014  <4>[   33.842339] RBP: 0000000000000008 R08: 00000000ffffffff R09: 0000000000000000

 3149 13:52:55.332679  <4>[   33.850627] R10: 00007f64cc0844d0 R11: 0000000000000202 R12: 00007f64cc047000

 3150 13:52:55.339346  f R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 3151 13:52:55.349377  # [   33.015369] <4>[   33.858883] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 3152 13:52:55.352705  <4>[   33.873360] irq event stamp: 0

 3153 13:52:55.365684  R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff1<4>[   33.877083] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3154 13:52:55.375730  <4>[   33.890587] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3155 13:52:55.375866  0

 3156 13:52:55.392031  # [   33.023631] FS:  00007ff246f85740(0000) GS:ffff8c7abad00<4>[   33.900016] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3157 13:52:55.398733  <4>[   33.915679] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3158 13:52:55.402695  <4>[   33.922972] ---[ end trace 242e5a7a3af61dc5 ]---

 3159 13:52:55.405286  000(0000) knlGS:0000000000000000

 3160 13:52:55.411870  # [   33.032961] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3161 13:52:55.421778  # [   33.039688] CR2: 00007ff246f64000 CR3: 0000000107012001 CR4: 00000000003706e0

 3162 13:52:55.425066  # [   33.047947] Call Trace:

 3163 13:52:55.428539  # [   33.050966]  ? __die_body.cold+0x1a/0x1f

 3164 13:52:55.431689  # [   33.055643]  ? die+0x2a/0x50

 3165 13:52:55.435653  # [   33.059152]  ? do_trap+0x86/0x100

 3166 13:52:55.441761  # [   33.063130]  ? lkdtm_BUG+0x5/0x10

 3167 13:52:55.444953  # [   33.067120]  ? lkdtm_BUG+0x5/0x10

 3168 13:52:55.448358  # [   33.071108]  ? do_error_trap+0x7d/0x110

 3169 13:52:55.451715  # [   33.075676]  ? lkdtm_BUG+0x5/0x10

 3170 13:52:55.457993  # [   33.079679]  ? exc_invalid_op+0x4c/0x60

 3171 13:52:55.461280  # [   33.084249]  ? lkdtm_BUG+0x5/0x10

 3172 13:52:55.464594  # [   33.088240]  ? asm_exc_invalid_op+0x12/0x20

 3173 13:52:55.471642  # [   33.093201]  ? direct_entry+0xe0/0xe0

 3174 13:52:55.474730  # [   33.097578]  ? lkdtm_BUG+0x5/0x10

 3175 13:52:55.477839  # [   33.101570]  direct_entry.cold+0x2c/0x38

 3176 13:52:55.481445  # [   33.106241]  full_proxy_write+0x53/0x80

 3177 13:52:55.491472  # [   33.110814<6>[   34.007466] lkdtm: Performing direct entry WARNING_MESSAGE

 3178 13:52:55.494758  <4>[   34.015679] ------------[ cut here ]------------

 3179 13:52:55.498123  ]  vfs_write+0xf0/0x3c0

 3180 13:52:55.501109  # [   33.114803]  ksys_write+0x74/0xf0

 3181 13:52:55.507764  <4>[   34.021158] Warning message trigger count: 2

 3182 13:52:55.507858  

 3183 13:52:55.511078  # [   33.118793]  do_syscall_64+0x30/0x40

 3184 13:52:55.524214  # [   33.123073]  en<4>[   34.032460] WARNING: CPU: 2 PID: 740 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3185 13:52:55.527638  try_SYSCALL_64_after_hwframe+0x67/0xd1

 3186 13:52:55.613606  # [   33.129005] RIP: 00<4>[   34.049165] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 3187 13:52:55.619986  <4>[   34.137779] CPU: 2 PID: 740 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3188 13:52:55.623685  33:0x7ff247080240

 3189 13:52:55.636714  # [   33.133285] Code: 40 00 48 8b 15 c1 9b 0<4>[   34.146639] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3190 13:52:55.640021  <4>[   34.159943] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3191 13:52:55.663192  <4>[   34.165908] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 11 dd c6 03 48 c7 c7 a0 92 2c 99 8d 70 01 89 35 01 dd c6 03 e8 1b a6 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3192 13:52:55.669303  <4>[   34.187180] RSP: 0018:ffffb090815a7e70 EFLAGS: 00010286

 3193 13:52:55.682647  d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1<4>[   34.193309] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3194 13:52:55.692503  <4>[   34.207786] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 3195 13:52:55.699326  <4>[   34.216078] RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000000

 3196 13:52:55.708942  <4>[   34.224341] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090815a7f10

 3197 13:52:55.715738  <4>[   34.232622] R13: ffffffff992c8d47 R14: ffff8c7a47fda000 R15: ffffb090815a7f10

 3198 13:52:55.725428  <4>[   34.240908] FS:  00007f36b68ba740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 3199 13:52:55.739049   23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5<4>[   34.250250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3200 13:52:55.745475  <4>[   34.263163] CR2: 00007f36b6899000 CR3: 000000010512a002 CR4: 00000000003706e0

 3201 13:52:55.748846  <4>[   34.271425] Call Trace:

 3202 13:52:55.752284  <4>[   34.274467]  ? __warn+0x80/0x110

 3203 13:52:55.758298  8 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 3204 13:52:55.764969  # [   33.154553] RS<4>[   34.278367]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3205 13:52:55.768289  <4>[   34.289829]  ? report_bug+0x99/0xc0

 3206 13:52:55.771784  <4>[   34.294037]  ? handle_bug+0x41/0x80

 3207 13:52:55.778435  <4>[   34.298252]  ? exc_invalid_op+0x13/0x60

 3208 13:52:55.781396  <4>[   34.302826]  ? asm_exc_invalid_op+0x12/0x20

 3209 13:52:55.787981  <4>[   34.307816]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3210 13:52:55.791359  <4>[   34.313101]  direct_entry.cold+0x2c/0x38

 3211 13:52:55.798131  <4>[   34.317797]  full_proxy_write+0x53/0x80

 3212 13:52:55.801761  <4>[   34.322401]  vfs_write+0xf0/0x3c0

 3213 13:52:55.804700  <4>[   34.326422]  ksys_write+0x74/0xf0

 3214 13:52:55.811225  <4>[   34.330414]  do_syscall_64+0x30/0x40

 3215 13:52:55.814598  <4>[   34.334696]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 3216 13:52:55.827874  P: 002b:00007ffcd60d0bf8 EFLAGS: 00000202 ORIG_RAX: 000000000000<4>[   34.340633] RIP: 0033:0x7f36b69b5240

 3217 13:52:55.847556  <4>[   34.351128] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 3218 13:52:55.857518  <4>[   34.372400] RSP: 002b:00007ffe809db578 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 3219 13:52:55.864278  <4>[   34.381148] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f36b69b5240

 3220 13:52:55.873878  <4>[   34.389411] RDX: 0000000000000010 RSI: 00007f36b6899000 RDI: 0000000000000001

 3221 13:52:55.880353  <4>[   34.397679] RBP: 0000000000000010 R08: 00000000ffffffff R09: 0000000000000000

 3222 13:52:55.890320  <4>[   34.405941] R10: 00007f36b68d64d0 R11: 0000000000000202 R12: 00007f36b6899000

 3223 13:52:55.897173  <4>[   34.414203] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 3224 13:52:55.900699  <4>[   34.422469] irq event stamp: 0

 3225 13:52:55.900784  0001

 3226 13:52:55.913807  # [   33.163301] RAX: ffffffffffffffda RBX: 00000000000000<4>[   34.426193] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3227 13:52:55.923911  <4>[   34.439694] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3228 13:52:55.933298  <4>[   34.449120] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3229 13:52:55.940250  <4>[   34.458548] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3230 13:52:55.943397  04 RCX: 00007ff247080240

 3231 13:52:55.953139  # [   33.171565] RDX: 0000000000000004<4>[   34.465843] ---[ end trace 242e5a7a3af61dc6 ]---

 3232 13:52:55.956471   RSI: 00007ff246f64000 RDI: 0000000000000001

 3233 13:52:55.966664  # [   33.179818] RBP: 0000000000000004 R08: 00000000ffffffff R09: 0000000000000000

 3234 13:52:55.973157  # [   33.188069] R10: 00007ff246fa14d0 R11: 0000000000000202 R12: 00007ff246f64000

 3235 13:52:55.983065  # [   33.196332] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 3236 13:52:56.045420  # [   33.204595] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_<6>[   34.563577] lkdtm: Performing direct entry EXCEPTION

 3237 13:52:56.052123  <1>[   34.570381] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3238 13:52:56.065230  compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_<1>[   34.578453] #PF: supervisor write access in kernel mode

 3239 13:52:56.072116  <1>[   34.590788] #PF: error_code(0x0002) - not-present page

 3240 13:52:56.075233  <6>[   34.596812] PGD 0 P4D 0 

 3241 13:52:56.078599  <4>[   34.599925] Oops: 0002 [#2] SMP PTI

 3242 13:52:56.088390  <4>[   34.604106] CPU: 3 PID: 773 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3243 13:52:56.095046  <4>[   34.612945] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3244 13:52:56.101421  <4>[   34.620041] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3245 13:52:56.121241  <4>[   34.625290] Code: 48 c7 c7 a0 92 2c 99 8d 70 01 89 35 01 dd c6 03 e8 1b a6 66 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

 3246 13:52:56.127976  <4>[   34.646558] RSP: 0018:ffffb09081627e70 EFLAGS: 00010286

 3247 13:52:56.134722  <4>[   34.652682] RAX: ffffffff96f95160 RBX: 0000000000000004 RCX: 0000000000000000

 3248 13:52:56.144803  <4>[   34.660939] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffffffff98e40c20

 3249 13:52:56.151360  <4>[   34.669197] RBP: 000000000000000a R08: 0000000000000000 R09: 0000000000000000

 3250 13:52:56.160867  <4>[   34.677455] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09081627f10

 3251 13:52:56.167598  <4>[   34.685713] R13: ffffffff991bbdaf R14: ffff8c7a4429a000 R15: ffffb09081627f10

 3252 13:52:56.177440  <4>[   34.693972] FS:  00007f0acbd23740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 3253 13:52:56.184317  <4>[   34.703299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3254 13:52:56.194140  <4>[   34.710002] CR2: 0000000000000000 CR3: 00000001048c8005 CR4: 00000000003706e0

 3255 13:52:56.197779  <4>[   34.718259] Call Trace:

 3256 13:52:56.200507  <4>[   34.721279]  ? __die_body.cold+0x1a/0x1f

 3257 13:52:56.207423  <4>[   34.725947]  ? no_context.constprop.0+0x121/0x320

 3258 13:52:56.210412  <4>[   34.731491]  ? exc_page_fault+0x4e/0x160

 3259 13:52:56.217811  <4>[   34.736160]  ? asm_exc_page_fault+0x1e/0x30

 3260 13:52:56.220498  <4>[   34.741119]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3261 13:52:56.227178  <4>[   34.746368]  ? lkdtm_EXCEPTION+0x5/0x20

 3262 13:52:56.230246  <4>[   34.750930]  direct_entry.cold+0x2c/0x38

 3263 13:52:56.233724  <4>[   34.755589]  full_proxy_write+0x53/0x80

 3264 13:52:56.237570  <4>[   34.760162]  vfs_write+0xf0/0x3c0

 3265 13:52:56.244622  <4>[   34.764157]  ksys_write+0x74/0xf0

 3266 13:52:56.254820  i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_u<4>[   34.768149]  do_syscall_64+0x30/0x40

 3267 13:52:56.260984  <4>[   34.778637]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 3268 13:52:56.264566  <4>[   34.784566] RIP: 0033:0x7f0acbe1e240

 3269 13:52:56.284071  <4>[   34.788844] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 3270 13:52:56.294491  <4>[   34.810105] RSP: 002b:00007ffdea3488f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 3271 13:52:56.300561  <4>[   34.818850] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0acbe1e240

 3272 13:52:56.310710  <4>[   34.827108] RDX: 000000000000000a RSI: 00007f0acbd02000 RDI: 0000000000000001

 3273 13:52:56.317207  <4>[   34.835365] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000

 3274 13:52:56.327164  <4>[   34.843622] R10: 00007f0acbd3f4d0 R11: 0000000000000202 R12: 00007f0acbd02000

 3275 13:52:56.333877  <4>[   34.851881] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 3276 13:52:56.423036  sbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoin<4>[   34.860141] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 3277 13:52:56.426694  <4>[   34.948728] CR2: 0000000000000000

 3278 13:52:56.432784  <4>[   34.952706] ---[ end trace 242e5a7a3af61dc7 ]---

 3279 13:52:56.439632  <4>[   34.958149] RIP: 0010:lkdtm_BUG+0x5/0x10

 3280 13:52:56.459092  <4>[   34.962815] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 3281 13:52:56.465879  <4>[   34.984081] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 3282 13:52:56.472294  <4>[   34.990206] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 3283 13:52:56.482363  <4>[   34.998457] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 3284 13:52:56.488773  <4>[   35.006707] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 3285 13:52:56.498996  <4>[   35.014964] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 3286 13:52:56.505291  <4>[   35.023223] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 3287 13:52:56.515642  <4>[   35.031480] FS:  00007f0acbd23740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 3288 13:52:56.521856  <4>[   35.040807] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3289 13:52:56.531941  <4>[   35.047511] CR2: 0000000000000000 CR3: 00000001048c8005 CR4: 00000000003706e0

 3290 13:52:56.541936  <3>[   35.055768] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3291 13:52:56.548974  <3>[   35.065969] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 773, name: cat

 3292 13:52:56.555167  <4>[   35.074623] INFO: lockdep is turned off.

 3293 13:52:56.558407  <4>[   35.079291] irq event stamp: 0

 3294 13:52:56.565201  <4>[   35.082986] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3295 13:52:56.575014  <4>[   35.090265] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3296 13:52:56.584730  <4>[   35.099687] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3297 13:52:56.591250  <4>[   35.109110] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3298 13:52:56.601533  <4>[   35.116399] CPU: 3 PID: 773 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3299 13:52:56.608165  <4>[   35.125241] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3300 13:52:56.611067  <4>[   35.132334] Call Trace:

 3301 13:52:56.614560  <4>[   35.135352]  dump_stack+0x77/0x9b

 3302 13:52:56.618274  <4>[   35.139340]  ___might_sleep.cold+0xa6/0xb7

 3303 13:52:56.624597  <4>[   35.144204]  exit_signals+0x1c/0x300

 3304 13:52:56.628004  <4>[   35.148482]  do_exit+0xbd/0xaa0

 3305 13:52:56.631424  <4>[   35.152276]  ? ksys_write+0x74/0xf0

 3306 13:52:56.634680  <4>[   35.156457]  make_task_dead+0x2e/0x30

 3307 13:52:56.641393  <4>[   35.160832]  rewind_stack_and_make_dead+0x17/0x20

 3308 13:52:56.644140  <4>[   35.166364] RIP: 0033:0x7f0acbe1e240

 3309 13:52:56.667527  <4>[   35.170641] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 3310 13:52:56.677205  <4>[   35.191909] RSP: 002b:00007ffdea3488f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 3311 13:52:56.684183  <4>[   35.200651] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0acbe1e240

 3312 13:52:56.693600  <4>[   35.208908] RDX: 000000000000000a RSI: 00007f0acbd02000 RDI: 0000000000000001

 3313 13:52:56.700377  <4>[   35.217166] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000

 3314 13:52:56.710576  <4>[   35.225423] R10: 00007f0acbd3f4d0 R11: 0000000000000202 R12: 00007f0acbd02000

 3315 13:52:56.717175  <4>[   35.233681] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 3316 13:52:56.723317  t cros_kbd_led_backlight chromeos_pstore coreboot_table

 3317 13:52:56.726455  # [   33.288936] gsmi: Log Shutdown Reason 0x03

 3318 13:52:56.733222  # [   33.293831] ---[ end trace 242e5a7a3af61dc4 ]---

 3319 13:52:56.736465  # [   33.299282] RIP: 0010:lkdtm_BUG+0x5/0x10

 3320 13:52:56.759878  # [   33.303956] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 3321 13:52:56.763194  # [   33.325239] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 3322 13:52:56.773063  # [   33.331376] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 3323 13:52:56.779949  # [   33.339646] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 3324 13:52:56.789454  # [   33.347917] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 3325 13:52:56.796395  # [   33.356187] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 3326 13:52:56.805834  # [   33.364461] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 3327 13:52:56.816552  # [   33.372745] FS:  00007ff246f85740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 3328 13:52:56.819816  # [   33.382107] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3329 13:52:56.830195  # [   33.388846] CR2: 00007ff246f64000 CR3: 0000000107012001 CR4: 00000000003706e0

 3330 13:52:56.833424  # BUG: saw 'kernel BUG at': ok

 3331 13:52:56.836607  ok 2 selftests: lkdtm: BUG.sh

 3332 13:52:56.840121  # selftests: lkdtm: WARNING.sh

 3333 13:52:56.843526  # [   33.481184] lkdtm: Performing direct entry WARNING

 3334 13:52:56.849882  # [   33.489442] ------------[ cut here ]------------

 3335 13:52:56.859952  # [   33.494904] WARNING: CPU: 3 PID: 704 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3336 13:52:56.942305  # [   33.504633] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_<6>[   35.457209] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3337 13:52:56.952150  sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_tab<6>[   35.466036] lkdtm: attempting good list addition

 3338 13:52:56.952272  le

 3339 13:52:56.965296  # [   33.593211] CPU: 3 PID: 704 Comm: cat Tainted: G      D<6>[   35.477697] lkdtm: attempting corrupted list addition

 3340 13:52:56.968577             5.10.222-cip50 #1

 3341 13:52:56.978409  # [   33.602092] Hardware name: Go<3>[   35.489871] lkdtm: list_add() corruption not detected!

 3342 13:52:56.981817  ogle Rammus/Rammus, BIOS  09/04/2020

 3343 13:52:56.985090  # [   33.615405] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3344 13:52:57.008047  # [   33.620587] Code: cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 11 dd

 3345 13:52:57.011660  # [   33.648069] RSP: 0018:ffffb0908150fe70 EFLAGS: 00010202

 3346 13:52:57.021543  # [   33.654195] RAX: ffffffff96f95110 RBX: 0000000000000002 RCX: 0000000000000000

 3347 13:52:57.028198  # [   33.662460] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffffffff98e40c00

 3348 13:52:57.037843  # [   33.670722] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000

 3349 13:52:57.044789  # [   33.678985] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908150ff10

 3350 13:52:57.054744  # [   33.687247] R13: ffffffff992c8d3f R14: ffff8c7a4431f000 R15: ffffb0908150ff10

 3351 13:52:57.064464  # [   33.695508] FS:  00007f64cc068740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 3352 13:52:57.070926  # [   33.704838] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3353 13:52:57.078111  # [   33.711547] CR2: 00007f64cc047000 CR3: 000000010639c004 CR4: 00000000003706e0

 3354 13:52:57.081283  # [   33.719809] Call Trace:

 3355 13:52:57.084609  # [   33.722851]  ? __warn+0x80/0x110

 3356 13:52:57.087503  # [   33.726755]  ? lkdtm_WARNING+0x13/0x20

 3357 13:52:57.094367  # [   33.737441]  ? report_bug+0x99/0xc0

 3358 13:52:57.097675  # [   33.741667]  ? handle_bug+0x41/0x80

 3359 13:52:57.100831  # [   33.745876]  ? exc_invalid_op+0x13/0x60

 3360 13:52:57.107320  # [   33.750448]  ? asm_exc_invalid_op+0x12/0x20

 3361 13:52:57.111099  # [   33.755436]  ? lkdtm_BUG+0x10/0x10

 3362 13:52:57.114096  # [   33.759548]  ? lkdtm_WARNING+0x13/0x20

 3363 13:52:57.120903  # [   33.764025]  direct_entry.cold+0x2c/0x38

 3364 13:52:57.123935  # [   33.768696]  full_proxy_write+0x53/0x80

 3365 13:52:57.127492  # [   33.773271]  vfs_write+0xf0/0x3c0

 3366 13:52:57.130610  # [   33.777263]  ksys_write+0x74/0xf0

 3367 13:52:57.137151  # [   33.781254]  do_syscall_64+0x30/0x40

 3368 13:52:57.143564  # [   33.785537]  entry_SYSCALL<6>[   35.661460] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3369 13:52:57.147215  _64_after_hwframe+0x67/0xd1

 3370 13:52:57.157023  # [   33.791473] RIP: 0033:0x7f64cc<6>[   35.670198] lkdtm: attempting good list removal

 3371 13:52:57.157148  163240

 3372 13:52:57.170016  # [   33.795779] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 <6>[   35.681768] lkdtm: attempting corrupted list removal

 3373 13:52:57.180193  64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 0<3>[   35.693816] lkdtm: list_del() corruption not detected!

 3374 13:52:57.190072  0 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 3375 13:52:57.199843  # [   33.817059] RSP: 002b:00007ffe2624e828 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 3376 13:52:57.206318  # [   33.825811] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f64cc163240

 3377 13:52:57.216428  # [   33.834076] RDX: 0000000000000008 RSI: 00007f64cc047000 RDI: 0000000000000001

 3378 13:52:57.222964  # [   33.842339] RBP: 0000000000000008 R08: 00000000ffffffff R09: 0000000000000000

 3379 13:52:57.233261  # [   33.850627] R10: 00007f64cc0844d0 R11: 0000000000000202 R12: 00007f64cc047000

 3380 13:52:57.239471  # [   33.858883] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 3381 13:52:57.243088  # [   33.873360] irq event stamp: 0

 3382 13:52:57.249532  # [   33.877083] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3383 13:52:57.262596  # [   33.890587] hardirqs last disabled at (0): [<<6>[   35.779150] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3384 13:52:57.265891  ffffffff965001e1>] copy_process+0x6e1/0x2190

 3385 13:52:57.275648  # [   33.900016] s<6>[   35.787935] lkdtm: attempting bad read from page below current stack

 3386 13:52:57.292199  oftirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+<0>[   35.801540] BUG: stack guard page was hit at 00000000d5c2ff13 (stack is 00000000af7f6c59..000000005d22d75d)

 3387 13:52:57.302030  <4>[   35.818920] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3388 13:52:57.302148  0x6e1/0x2190

 3389 13:52:57.315496  # [   33.915679] softirqs last disabled at (0): [<<4>[   35.826016] CPU: 1 PID: 1005 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3390 13:52:57.322203  <4>[   35.841164] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3391 13:52:57.328780  <4>[   35.848261] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x25/0x3f

 3392 13:52:57.332091  0000000000000000>] 0x0

 3393 13:52:57.358643  # [   33.922972] ---[ end trace 242e5a7a<4>[   35.855063] Code: c3 cc cc cc cc 0f 1f 44 00 00 53 48 c7 c7 40 96 2c 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 c6 44 24 07 00 e8 b5 f2 fb ff <8a> 43 ff 48 c7 c7 80 96 2c 99 88 44 24 07 0f b6 74 24 07 5a 5b e9

 3394 13:52:57.365009  <4>[   35.882543] RSP: 0018:ffffb090819c7e60 EFLAGS: 00010246

 3395 13:52:57.371411  <4>[   35.888676] RAX: 0000000000000038 RBX: ffffb090819c4000 RCX: 0000000000000000

 3396 13:52:57.381662  <4>[   35.896928] RDX: 0000000000000000 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50

 3397 13:52:57.388350  <4>[   35.905185] RBP: 0000000000000019 R08: 0000000000000000 R09: 0000000000000000

 3398 13:52:57.398006  <4>[   35.913445] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090819c7f10

 3399 13:52:57.404829  <4>[   35.921695] R13: ffffffff992c8daa R14: ffff8c7a47b10000 R15: ffffb090819c7f10

 3400 13:52:57.414649  <4>[   35.929954] FS:  00007f6c8865f740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 3401 13:52:57.421376  <4>[   35.939279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3402 13:52:57.428182  <4>[   35.945984] CR2: ffffb090819c3fff CR3: 0000000106144006 CR4: 00000000003706e0

 3403 13:52:57.431066  <4>[   35.954241] Call Trace:

 3404 13:52:57.434662  <4>[   35.957257]  <#DF>

 3405 13:52:57.441236  <4>[   35.959784]  ? __die_body.cold+0x1a/0x1f

 3406 13:52:57.441330  3af61dc5 ]---

 3407 13:52:57.444369  # WARNING: saw 'WARNING:': ok

 3408 13:52:57.447723  ok 3 selftests: lk<4>[   35.964452]  ? die+0x2a/0x50

 3409 13:52:57.454590  <4>[   35.974164]  ? handle_stack_overflow+0x3d/0x4c

 3410 13:52:57.460986  <4>[   35.979406]  ? no_context.constprop.0+0x1e7/0x320

 3411 13:52:57.464164  <4>[   35.984946]  </#DF>

 3412 13:52:57.464245  dtm: WARNING.sh

 3413 13:52:57.467425  # selftests: lkdtm: WARNING_MESSAGE.sh

 3414 13:52:57.549990  # [   3<4>[   35.987573] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 3415 13:52:57.556749  <4>[   36.076130] ---[ end trace 242e5a7a3af61dc8 ]---

 3416 13:52:57.563851  4.007466] lkdtm: Performing direct entry WARNING_MESSAGE

 3417 13:52:57.566814  # [   <4>[   36.081576] RIP: 0010:lkdtm_BUG+0x5/0x10

 3418 13:52:57.589901  <4>[   36.092453] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 3419 13:52:57.596413  <4>[   36.113712] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 3420 13:52:57.603099  <4>[   36.119826] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 3421 13:52:57.612830  <4>[   36.128084] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 3422 13:52:57.619500  <4>[   36.136342] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 3423 13:52:57.629526  <4>[   36.144622] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 3424 13:52:57.636117  <4>[   36.152879] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 3425 13:52:57.646193  <4>[   36.161138] FS:  00007f6c8865f740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 3426 13:52:57.652461  <4>[   36.170465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3427 13:52:57.659109  <4>[   36.177160] CR2: ffffb090819c3fff CR3: 0000000106144006 CR4: 00000000003706e0

 3428 13:52:57.668813  <3>[   36.185421] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3429 13:52:57.679214  <3>[   36.195626] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1005, name: cat

 3430 13:52:57.685626  <4>[   36.204368] INFO: lockdep is turned off.

 3431 13:52:57.689234  <4>[   36.209035] irq event stamp: 0

 3432 13:52:57.695578  <4>[   36.212731] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3433 13:52:57.705513  <4>[   36.220021] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3434 13:52:57.715239  <4>[   36.229436] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3435 13:52:57.721942  <4>[   36.238861] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3436 13:52:57.731798  <4>[   36.246141] CPU: 1 PID: 1005 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3437 13:52:57.738086  <4>[   36.255078] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3438 13:52:57.741745  <4>[   36.262172] Call Trace:

 3439 13:52:57.745224  <4>[   36.265189]  dump_stack+0x77/0x9b

 3440 13:52:57.748499  34.015679] ------------[ cut here ]------------

 3441 13:52:57.754774  # [   34.021158<4>[   36.269178]  ___might_sleep.cold+0xa6/0xb7

 3442 13:52:57.758006  <4>[   36.280249]  exit_signals+0x1c/0x300

 3443 13:52:57.761218  ] Warning message trigger count: 2

 3444 13:52:57.768104  # [   34.032460] WARNING: CP<4>[   36.284530]  do_exit+0xbd/0xaa0

 3445 13:52:57.774665  <4>[   36.294536]  ? ksys_write+0x74/0xf0

 3446 13:52:57.784509  U: 2 PID: 740 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESS<4>[   36.298721]  make_task_dead+0x2e/0x30

 3447 13:52:57.791302  <4>[   36.309308]  rewind_stack_and_make_dead+0x17/0x20

 3448 13:52:57.794476  <4>[   36.314849] RIP: 0033:0x7f6c8875a240

 3449 13:52:57.814458  <4>[   36.319127] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 3450 13:52:57.824282  <4>[   36.340394] RSP: 002b:00007ffdcd93ef18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 3451 13:52:57.833755  <4>[   36.349139] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6c8875a240

 3452 13:52:57.840847  <4>[   36.357389] RDX: 0000000000000019 RSI: 00007f6c8863e000 RDI: 0000000000000001

 3453 13:52:57.850555  <4>[   36.365646] RBP: 0000000000000019 R08: 00000000ffffffff R09: 0000000000000000

 3454 13:52:57.856920  <4>[   36.373904] R10: 00007f6c8867b4d0 R11: 0000000000000202 R12: 00007f6c8863e000

 3455 13:52:57.867144  <4>[   36.382163] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 3456 13:52:57.867303  AGE+0x20/0x30

 3457 13:52:57.949515  # [   34.049165] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 3458 13:52:57.959214  # [   34.137779] CPU: 2 PID: 740 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3459 13:52:57.966063  # [   34<6>[   36.478038] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3460 13:52:57.972703  .146639] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3461 13:52:57.979122  <6>[   36.491070] lkdtm: attempting bad read from page above current stack

 3462 13:52:57.986507  # [   34.159943] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3463 13:52:57.996521  # [ <0>[   36.504723] BUG: stack guard page was hit at 00000000f9c12c55 (stack is 00000000b43143c3..000000002637f4c9)

 3464 13:52:58.002967  <4>[   36.522066] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3465 13:52:58.013065  <4>[   36.529161] CPU: 0 PID: 1039 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3466 13:52:58.019509  <4>[   36.538091] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3467 13:52:58.026203  <4>[   36.545189] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x25/0x42

 3468 13:52:58.049294  <4>[   36.552086] Code: e9 9b f2 fb ff 0f 1f 44 00 00 53 48 c7 c7 b8 96 2c 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 c6 44 24 07 00 e8 76 f2 fb ff <8a> 83 00 40 00 00 48 c7 c7 f8 96 2c 99 88 44 24 07 0f b6 74 24 07

 3469 13:52:58.055704  <4>[   36.573353] RSP: 0018:ffffb09081a57e60 EFLAGS: 00010246

 3470 13:52:58.062532  <4>[   36.579477] RAX: 0000000000000038 RBX: ffffb09081a54000 RCX: 0000000000000000

 3471 13:52:58.072421  <4>[   36.587736] RDX: 0000000000000000 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50

 3472 13:52:58.079099  <4>[   36.595995] RBP: 000000000000001a R08: 0000000000000000 R09: 0000000000000000

 3473 13:52:58.088803  <4>[   36.604245] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09081a57f10

 3474 13:52:58.095576  <4>[   36.612502] R13: ffffffff992c8dc3 R14: ffff8c7a44e1b000 R15: ffffb09081a57f10

 3475 13:52:58.105337  <4>[   36.620762] FS:  00007f6647ff2740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 3476 13:52:58.112434  <4>[   36.630089] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3477 13:52:58.118751  <4>[   36.636785] CR2: ffffb09081a58000 CR3: 00000001066b2001 CR4: 00000000003706f0

 3478 13:52:58.121778  <4>[   36.645043] Call Trace:

 3479 13:52:58.125423  <4>[   36.648060]  <#DF>

 3480 13:52:58.131789  <4>[   36.650584]  ? __die_body.cold+0x1a/0x1f

 3481 13:52:58.135397  <4>[   36.655256]  ? die+0x2a/0x50

 3482 13:52:58.138331  <4>[   36.658764]  ? handle_stack_overflow+0x3d/0x4c

 3483 13:52:58.145101  <4>[   36.664017]  ? no_context.constprop.0+0x1e7/0x320

 3484 13:52:58.148503  <4>[   36.669557]  </#DF>

 3485 13:52:58.230940  <4>[   36.672183] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 3486 13:52:58.234689  <4>[   36.754570] ---[ end trace 242e5a7a3af61dc9 ]---

 3487 13:52:58.240950  <4>[   36.760021] RIP: 0010:lkdtm_BUG+0x5/0x10

 3488 13:52:58.260563  <4>[   36.764688] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 3489 13:52:58.267675  <4>[   36.785955] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 3490 13:52:58.273792  <4>[   36.792077] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 3491 13:52:58.284000  <4>[   36.800336] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 3492 13:52:58.290310  <4>[   36.808596] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 3493 13:52:58.300799  <4>[   36.816854] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 3494 13:52:58.307102  <4>[   36.825112] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 3495 13:52:58.316835  <4>[   36.833371] FS:  00007f6647ff2740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 3496 13:52:58.323368  <4>[   36.842696] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3497 13:52:58.333766  <4>[   36.849400] CR2: ffffb09081a58000 CR3: 00000001066b2001 CR4: 00000000003706f0

 3498 13:52:58.354213    34.165908] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 11 dd c6 03 48 c7 c7 a0 92 2c 99 8d 70 01 89 35 01 dd c6 03 e8 1b a6 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3499 13:52:58.360806  # [   34.187180] RSP: 0018:ffffb090815a7e70 EFLAGS: 00010286

 3500 13:52:58.367468  # [   34.193309] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3501 13:52:58.377199  # [   34.207786] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 3502 13:52:58.383772  # [   34.216078] RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000000

 3503 13:52:58.394074  # [   34.224341] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090815a7f10

 3504 13:52:58.400700  # [   34.232622] R13: ffffffff992c8d47 R14: ffff8c7a47fda000 R15: ffffb090815a7f10

 3505 13:52:58.410181  # [   34.240908] FS:  00007f36b68ba740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 3506 13:52:58.417065  # [   34.250250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3507 13:52:58.423298  # [   34.263163] CR2: 00007f36b6899000 CR3: 000000010512a002 CR4: 00000000003706e0

 3508 13:52:58.427252  # [   34.271425] Call Trace:

 3509 13:52:58.429851  # [   34.274467]  ? __warn+0x80/0x110

 3510 13:52:58.436683  # [   34.278367]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3511 13:52:58.439747  # [   34.289829]  ? report_bug+0x99/0xc0

 3512 13:52:58.443293  # [   34.294037]  ? handle_bug+0x41/0x80

 3513 13:52:58.449870  # [   34.298252]  ? exc_invalid_op+0x13/0x60

 3514 13:52:58.453193  # [   34.302826]  ? asm_exc_invalid_op+0x12/0x20

 3515 13:52:58.459766  # [   34.307816]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3516 13:52:58.463273  # [   34.313101]  direct_entry.cold+0x2c/0x38

 3517 13:52:58.466180  # [   34.317797]  full_proxy_write+0x53/0x80

 3518 13:52:58.473259  # [   34.322401]  vfs_write+0xf0/0x3c0

 3519 13:52:58.476152  # [   34.326422]  ksys_write+0x74/0xf0

 3520 13:52:58.479469  # [   34.330414]  do_syscall_64+0x30/0x40

 3521 13:52:58.485892  # [   34.334696]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 3522 13:52:58.489177  # [   34.340633] RIP: 0033:0x7f36b69b5240

 3523 13:52:58.499186  # [   34.351128] Code: 40 00 48 8b 15 c1 9b 0d <6>[   37.017422] lkdtm: Performing direct entry UNSET_SMEP

 3524 13:52:58.506439  <6>[   37.025202] lkdtm: trying to clear SMEP normally

 3525 13:52:58.512374  <4>[   37.030699] ------------[ cut here ]------------

 3526 13:52:58.522733  00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 2<4>[   37.036178] pinned CR4 bits changed: 0x100000!?

 3527 13:52:58.532494  <4>[   37.047748] WARNING: CPU: 2 PID: 1076 at arch/x86/kernel/cpu/common.c:396 native_write_cr4+0x45/0x60

 3528 13:52:58.621576  3 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 <4>[   37.058274] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 3529 13:52:58.631795  <4>[   37.146898] CPU: 2 PID: 1076 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3530 13:52:58.635261  c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 3531 13:52:58.645049  # [   34.372400] RSP:<4>[   37.155849] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3532 13:52:58.648041  <4>[   37.169151] RIP: 0010:native_write_cr4+0x45/0x60

 3533 13:52:58.671218  <4>[   37.174616] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 3d 34 26 03 00 75 f2 48 c7 c7 70 5e 1c 99 c6 05 2d 34 26 03 01 e8 e6 b5 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3534 13:52:58.684281   002b:00007ffe809db578 EFLAGS: 00000202 ORIG_RAX: 00000000000000<4>[   37.195903] RSP: 0018:ffffb09081acfe58 EFLAGS: 00010282

 3535 13:52:58.690835  <4>[   37.208235] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000

 3536 13:52:58.700709  <4>[   37.216496] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 3537 13:52:58.707492  <4>[   37.224757] RBP: 000000000000000b R08: 0000000000000000 R09: 0000000000000000

 3538 13:52:58.717630  <4>[   37.233019] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09081acff10

 3539 13:52:58.723963  <4>[   37.241281] R13: ffffffff992c8ddd R14: ffff8c7a459c3000 R15: ffffb09081acff10

 3540 13:52:58.733920  <4>[   37.249543] FS:  00007ff26aa41740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 3541 13:52:58.740904  <4>[   37.258872] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3542 13:52:58.750406  <4>[   37.265578] CR2: 00007ff26aa20000 CR3: 0000000100e76006 CR4: 00000000003706e0

 3543 13:52:58.750520  <4>[   37.273839] Call Trace:

 3544 13:52:58.756908  <4>[   37.276863]  ? __warn+0x80/0x110

 3545 13:52:58.760628  <4>[   37.280776]  ? native_write_cr4+0x45/0x60

 3546 13:52:58.760717  01

 3547 13:52:58.770413  # [   34.381148] RAX: ffffffffffffffda RBX: 0000000000000010<4>[   37.285546]  ? report_bug+0x99/0xc0

 3548 13:52:58.773642   RCX: 00007f36b69b5240

 3549 13:52:58.780025  # [   34.389411] RDX: 0000000000000010 R<4>[   37.295946]  ? handle_bug+0x41/0x80

 3550 13:52:58.786855  <4>[   37.306341]  ? exc_invalid_op+0x13/0x60

 3551 13:52:58.790050  <4>[   37.310917]  ? asm_exc_invalid_op+0x12/0x20

 3552 13:52:58.796881  <4>[   37.315883]  ? native_write_cr4+0x45/0x60

 3553 13:52:58.800266  SI: 00007f36b6899000 RDI: 0000000000000001

 3554 13:52:58.806534  # [   34.397679] RBP<4>[   37.320677]  ? native_write_cr4+0x45/0x60

 3555 13:52:58.813154  <4>[   37.331651]  lkdtm_UNSET_SMEP.cold+0x1f/0x110

 3556 13:52:58.816864  <4>[   37.336808]  direct_entry.cold+0x2c/0x38

 3557 13:52:58.819905  <4>[   37.341503]  full_proxy_write+0x53/0x80

 3558 13:52:58.826541  <4>[   37.346108]  vfs_write+0xf0/0x3c0

 3559 13:52:58.830237  <4>[   37.350123]  ksys_write+0x74/0xf0

 3560 13:52:58.833090  <4>[   37.354113]  do_syscall_64+0x30/0x40

 3561 13:52:58.839938  <4>[   37.358420]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 3562 13:52:58.843364  <4>[   37.364351] RIP: 0033:0x7ff26ab3c240

 3563 13:52:58.850304  : 0000000000000010 R08: 00000000ffffffff R09: 0000000000000000

 3564 13:52:58.869740  <4>[   37.368637] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 3565 13:52:58.879648  <4>[   37.396127] RSP: 002b:00007ffcc8dc6e88 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 3566 13:52:58.889213  <4>[   37.404909] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff26ab3c240

 3567 13:52:58.895984  <4>[   37.413175] RDX: 000000000000000b RSI: 00007ff26aa20000 RDI: 0000000000000001

 3568 13:52:58.905891  <4>[   37.421469] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000

 3569 13:52:58.912667  <4>[   37.429732] R10: 00007ff26aa5d4d0 R11: 0000000000000202 R12: 00007ff26aa20000

 3570 13:52:58.922709  <4>[   37.437995] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 3571 13:52:58.925736  <4>[   37.446279] irq event stamp: 0

 3572 13:52:58.939284  # [   34.405941] R10: 00007f36b68d64d0 R11: 0000000000000202 R12<4>[   37.449988] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3573 13:52:58.949476  <4>[   37.463488] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3574 13:52:58.955619  <4>[   37.472915] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3575 13:52:58.965677  <4>[   37.482343] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3576 13:52:58.969110  <4>[   37.489635] ---[ end trace 242e5a7a3af61dca ]---

 3577 13:52:58.975580  <6>[   37.495081] lkdtm: ok: SMEP did not get cleared

 3578 13:52:58.982141  <6>[   37.500430] lkdtm: trying to clear SMEP with call gadget

 3579 13:52:58.988759  <6>[   37.506673] lkdtm: ok: SMEP removal was reverted

 3580 13:52:58.988860  : 00007f36b6899000

 3581 13:52:58.998687  # [   34.414203] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 3582 13:52:59.002032  # [   34.422469] irq event stamp: 0

 3583 13:52:59.008709  # [   34.426193] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3584 13:52:59.018341  # [   34.439694] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3585 13:52:59.028452  # [   34.449120] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3586 13:52:59.034891  # [   34.458548] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3587 13:52:59.038310  # [   34.465843] ---[ end trace 242e5a7a3af61dc6 ]---

 3588 13:52:59.044698  # WARNING_MESSAGE: saw 'message trigger': ok

 3589 13:52:59.048259  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh

 3590 13:52:59.051296  # selftests: lkdtm: EXCEPTION.sh

 3591 13:52:59.051368  # Killed

 3592 13:52:59.058069  # [   34.563577] lkdtm: Performing direct entry EXCEPTION

 3593 13:52:59.064661  # [   34.570381] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3594 13:52:59.071006  # [   34.578453] #PF: supervisor write access in kernel mode

 3595 13:52:59.077758  # [   34.590788] #PF: error_code(0x0002) - not-present page

 3596 13:52:59.087817  # [   34.596812] PGD 0 P4D <6>[   37.603776] lkdtm: Performing direct entry DOUBLE_FAULT

 3597 13:52:59.091062  <3>[   37.611537] lkdtm: XFAIL: this test is ia32-only

 3598 13:52:59.091146  0 

 3599 13:52:59.097704  # [   34.599925] Oops: 0002 [#2] SMP PTI

 3600 13:52:59.104027  # [   34.604106] CPU: 3 PID: 773 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3601 13:52:59.110631  # [   34.612945] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3602 13:52:59.117355  # [   34.620041] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3603 13:52:59.137505  # [   34.625290] Code: 48 c7 c7 a0 92 2c 99 8d 70 01 89 35 01 dd c6 03 e8 1b a6 66 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

 3604 13:52:59.144306  # [   34.646558] RSP: 0018:ffffb09081627e70 EFLAGS: 00010286

 3605 13:52:59.151359  # [   34.652682] RAX: ffffffff96f95160 RBX: 0000000000000004 RCX: 0000000000000000

 3606 13:52:59.161557  # [   34.660939] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffffffff98e40c20

 3607 13:52:59.168457  # [   34.669197] RBP: 000000000000000a R08: 0000000000000000 R09: 0000000000000000

 3608 13:52:59.178254  # [   34.677455] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09081627f10

 3609 13:52:59.184717  # [   34.685713] R13: ffffffff991bbdaf R14: ffff8c7a4429a000 R15: ffffb09081627f10

 3610 13:52:59.195088  # [   34.693972] FS:  00007f0acbd23740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 3611 13:52:59.201825  # [   34.703299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3612 13:52:59.207818  # [   34.710002] CR2: 0000000000000000 CR3: 00000001048c8005 CR4: 00000000003706e0

 3613 13:52:59.211738  # [   34.718259] Call Trace:

 3614 13:52:59.221018  # [   34.721279]  ? __die_body.cold+0x1a/0<6>[   37.740672] lkdtm: Performing direct entry CORRUPT_PAC

 3615 13:52:59.224358  x1f

 3616 13:52:59.228179  # [   34.725947]  ? no_context.constprop.0+0x121/0x320

 3617 13:52:59.234970  # [<3>[   37.747408] lkdtm: XFAIL: this test is arm64-only

 3618 13:52:59.237646     34.731491]  ? exc_page_fault+0x4e/0x160

 3619 13:52:59.244155  # [   34.736160]  ? asm_exc_page_fault+0x1e/0x30

 3620 13:52:59.247458  # [   34.741119]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3621 13:52:59.254246  # [   34.746368]  ? lkdtm_EXCEPTION+0x5/0x20

 3622 13:52:59.257899  # [   34.750930]  direct_entry.cold+0x2c/0x38

 3623 13:52:59.261069  # [   34.755589]  full_proxy_write+0x53/0x80

 3624 13:52:59.267325  # [   34.760162]  vfs_write+0xf0/0x3c0

 3625 13:52:59.270599  # [   34.764157]  ksys_write+0x74/0xf0

 3626 13:52:59.274133  # [   34.768149]  do_syscall_64+0x30/0x40

 3627 13:52:59.280631  # [   34.778637]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 3628 13:52:59.284127  # [   34.784566] RIP: 0033:0x7f0acbe1e240

 3629 13:52:59.303979  # [   34.788844] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 3630 13:52:59.313726  # [   34.810105] RSP: 002b:00007ffdea3488f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 3631 13:52:59.330549  # [   34.818850] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0acbe<6>[   37.842214] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3632 13:52:59.330676  1e240

 3633 13:52:59.343609  # [   34.827108] RDX: 000000000000000a RSI: 00007f0acbd02<3>[   37.853688] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3634 13:52:59.346916  000 RDI: 0000000000000001

 3635 13:52:59.353584  # [   34.835365] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000

 3636 13:52:59.363380  # [   34.843622] R10: 00007f0acbd3f4d0 R11: 0000000000000202 R12: 00007f0acbd02000

 3637 13:52:59.370144  # [   34.851881] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 3638 13:52:59.452469  # [   34.860141] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 3639 13:52:59.456111  # [   34.948728] CR2: 0000000000000000

 3640 13:52:59.462358  # [   34.952706] ---[ end trace 242e5a7a3af61dc7 ]---

 3641 13:52:59.465767  # [   34.958149] RIP: 0010:lkdtm_BUG+0x5/0x10

 3642 13:52:59.485735  # [   34.962815] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 3643 13:52:59.492350  # [   34.984081] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 3644 13:52:59.505269  # [   34.990206] RAX: ffffffff96f95100 RBX: 00000000<6>[   38.017312] lkdtm: Performing direct entry READ_AFTER_FREE

 3645 13:52:59.509079  00000001 RCX: 0000000000000000

 3646 13:52:59.518544  # [   34.998457] RDX: 0000000000<6>[   38.029688] lkdtm: Value in memory before free: 12345678

 3647 13:52:59.522056  000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 3648 13:52:59.528469  # [   35.006<6>[   38.042142] lkdtm: Attempting bad read from freed memory

 3649 13:52:59.542034  707] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000<6>[   38.054561] lkdtm: Memory was not poisoned

 3650 13:52:59.542168  000001

 3651 13:52:59.548301  # [   35.014964] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 3652 13:52:59.558372  # [   35.023223] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 3653 13:52:59.568153  # [   35.031480] FS:  00007f0acbd23740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 3654 13:52:59.574655  # [   35.040807] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3655 13:52:59.581549  # [   35.047511] CR2: 0000000000000000 CR3: 00000001048c8005 CR4: 00000000003706e0

 3656 13:52:59.591773  # [   35.055768] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3657 13:52:59.601103  # [   35.065969] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 773, name: cat

 3658 13:52:59.605101  # [   35.074623] INFO: lockdep is turned off.

 3659 13:52:59.607703  # [   35.079291] irq event stamp: 0

 3660 13:52:59.614553  # [   35.082986] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3661 13:52:59.624334  # [   35.090265] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3662 13:52:59.634054  # [   35.099687] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3663 13:52:59.640930  # [   35.109110] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3664 13:52:59.650779  # [   35.116399] CPU: 3 PID: 773 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3665 13:52:59.657389  # [   35.125241] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3666 13:52:59.660638  # [   35.132334] Call Trace:

 3667 13:52:59.664182  # [   35.135352]  dump_stack+0x77/0x9b

 3668 13:52:59.671101  # [   35.<6>[   38.184415] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3669 13:52:59.677170  <6>[   38.196933] lkdtm: Value in memory before free: 12345678

 3670 13:52:59.683791  <6>[   38.203189] lkdtm: Attempting to read from freed memory

 3671 13:52:59.691001  <6>[   38.209348] lkdtm: Buddy page was not poisoned

 3672 13:52:59.694029  139340]  ___might_sleep.cold+0xa6/0xb7

 3673 13:52:59.697342  # [   35.144204]  exit_signals+0x1c/0x300

 3674 13:52:59.700117  # [   35.148482]  do_exit+0xbd/0xaa0

 3675 13:52:59.707038  # [   35.152276]  ? ksys_write+0x74/0xf0

 3676 13:52:59.710176  # [   35.156457]  make_task_dead+0x2e/0x30

 3677 13:52:59.713861  # [   35.160832]  rewind_stack_and_make_dead+0x17/0x20

 3678 13:52:59.720233  # [   35.166364] RIP: 0033:0x7f0acbe1e240

 3679 13:52:59.739944  # [   35.170641] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 3680 13:52:59.750283  # [   35.191909] RSP: 002b:00007ffdea3488f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 3681 13:52:59.757048  # [   35.200651] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0acbe1e240

 3682 13:52:59.766425  # [   35.208908] RDX: 000000000000000a RSI: 00007f0acbd02000 RDI: 0000000000000001

 3683 13:52:59.773342  # [   35.217166] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000

 3684 13:52:59.782864  # [   35.225423] R10: 00007f0ac<6>[   38.295699] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 3685 13:52:59.789423  bd3f4d0 R11: 0000000000000202 R12: 00007f0acbd02000

 3686 13:52:59.796108  # [   35.23<6>[   38.308165] lkdtm: Attempting double slab free ...

 3687 13:52:59.802736  3681] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 3688 13:52:59.806218  # EXCEPTION: saw 'call trace:': ok

 3689 13:52:59.809701  ok 5 selftests: lkdtm: EXCEPTION.sh

 3690 13:52:59.812541  # selftests: lkdtm: LOOP.sh

 3691 13:52:59.815991  # Skipping LOOP: Hangs the system

 3692 13:52:59.819499  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 3693 13:52:59.822739  # selftests: lkdtm: EXHAUST_STACK.sh

 3694 13:52:59.829093  # Skipping EXHAUST_STACK: Corrupts memory on failure

 3695 13:52:59.832809  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 3696 13:52:59.835571  # selftests: lkdtm: CORRUPT_STACK.sh

 3697 13:52:59.842497  # Skipping CORRUPT_STACK: Crashes entire system on success

 3698 13:52:59.845744  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP

 3699 13:52:59.852332  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 3700 13:52:59.859066  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 3701 13:52:59.862089  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 3702 13:52:59.868993  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 3703 13:52:59.872464  # [   35.457209] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3704 13:52:59.878512  # [   35.466036] lkdtm: attempting good list addition

 3705 13:52:59.888519  # [   35.477697] lkdtm: attempti<6>[   38.406790] lkdtm: Performing direct entry SLAB_FREE_CROSS

 3706 13:52:59.891976  ng corrupted list addition

 3707 13:52:59.901657  # [   35.489871] lkdtm: list_add() c<6>[   38.413456] lkdtm: Attempting cross-cache slab free ...

 3708 13:52:59.901771  orruption not detected!

 3709 13:52:59.908319  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]

 3710 13:52:59.915313  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 3711 13:52:59.918086  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 3712 13:52:59.925060  # [   35.661460] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3713 13:52:59.931518  # [   35.670198] lkdtm: attempting good list removal

 3714 13:52:59.934966  # [   35.681768] lkdtm: attempting corrupted list removal

 3715 13:52:59.941356  # [   35.693816] lkdtm: list_del() corruption not detected!

 3716 13:52:59.948095  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]

 3717 13:52:59.954633  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 3718 13:52:59.957965  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3719 13:52:59.961192  # Segmentation fault

 3720 13:52:59.967800  # [   35.779150] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3721 13:52:59.974377  # [   35.787935] lkdtm: attempting bad read from page below current stack

 3722 13:52:59.987466  # [   35.801540] BUG: stack guard page was hit at 00000000d5c2ff13 (stack is 00000000af7f6c59..000000005d22d75d)

 3723 13:52:59.994411  # [   35.818920] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3724 13:53:00.000689  # [   35.826016] CPU: 1 PID: 1005 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3725 13:53:00.007634  # [   35.841164] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3726 13:53:00.017463  # [   35.848261] RIP: 0010:lkdtm_STACK_GUAR<6>[   38.534540] lkdtm: Performing direct entry SLAB_FREE_PAGE

 3727 13:53:00.024276  <6>[   38.543984] lkdtm: Attempting non-Slab slab free ...

 3728 13:53:00.027411  D_PAGE_LEADING+0x25/0x3f

 3729 13:53:00.047315  # [   35.855063] Code: c3 cc cc cc cc 0f 1f 44 00 00 53 48 c7 c7 40 96 2c 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 c6 44 24 07 00 e8 b5 f2 fb ff <8a> 43 ff 48 c7 c7 80 96 2c 99 88 44 24 07 0f b6 74 24 07 5a 5b e9

 3730 13:53:00.053711  # [   35.882543] RSP: 0018:ffffb090819c7e60 EFLAGS: 00010246

 3731 13:53:00.063692  # [   35.888676] RAX: 0000000000000038 RBX: ffffb090819c4000 RCX: 0000000000000000

 3732 13:53:00.070298  # [   35.896928] RDX: 0000000000000000 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50

 3733 13:53:00.080045  # [   35.905185] RBP: 0000000000000019 R08: 0000000000000000 R09: 0000000000000000

 3734 13:53:00.086886  # [   35.913445] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090819c7f10

 3735 13:53:00.096416  # [   35.921695] R13: ffffffff992c8daa R14: ffff8c7a47b10000 R15: ffffb090819c7f10

 3736 13:53:00.103497  # [   35.929954] FS:  00007f6c8865f740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 3737 13:53:00.111891  # [   35.939279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3738 13:53:00.119765  # [   35.945984] CR2: ffffb090819c3fff CR3: 0000000106144006 CR4: 00000000003706e0

 3739 13:53:00.122958  # [   35.954241] Call Trace:

 3740 13:53:00.123049  # [   35.957257]  <#DF>

 3741 13:53:00.129510  # [   35.959784]  ? __die_body.cold+0x1a/0x1f

 3742 13:53:00.132984  # [   35.964452]  ? die+0x2a/0x50

 3743 13:53:00.136520  # [   35.974164]  ? handle_stack_overflow+0x3d/0x4c

 3744 13:53:00.142756  # [   35.979406]  ? no_context.constprop.0+0x1e7/0x320

 3745 13:53:00.146050  # [   35.984946]  </#DF>

 3746 13:53:00.228919  # [   35.987573] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_le<6>[   38.747215] lkdtm: Performing direct entry EXEC_DATA

 3747 13:53:00.235544  d_backlight chromeos_pstore coreboot_table

 3748 13:53:00.241825  # [   36.076130] ---<6>[   38.754623] lkdtm: attempting ok execution at ffffffff96f954c0

 3749 13:53:00.245289  [ end trace 242e5a7a3af61dc8 ]---

 3750 13:53:00.255458  # [   36.081576] RIP: 0010:lk<6>[   38.767698] lkdtm: attempting bad execution at ffffffff9ac02e80

 3751 13:53:00.258434  dtm_BUG+0x5/0x10

 3752 13:53:00.271735  # [   36.092453] Code: ff ff ff eb e0 48 c7 c0<2>[   38.780787] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3753 13:53:00.278140  <1>[   38.795623] BUG: unable to handle page fault for address: ffffffff9ac02e80

 3754 13:53:00.285000  <1>[   38.803592] #PF: supervisor instruction fetch in kernel mode

 3755 13:53:00.291886  <1>[   38.810190] #PF: error_code(0x0011) - permissions violation

 3756 13:53:00.298539  <6>[   38.816702] PGD b429067 P4D b429067 PUD b42a063 PMD 800000000cc000e3 

 3757 13:53:00.304889  <4>[   38.824194] Oops: 0011 [#5] SMP PTI

 3758 13:53:00.312365  <4>[   38.828366] CPU: 0 PID: 1599 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3759 13:53:00.318859  <4>[   38.837304] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3760 13:53:00.325271  <4>[   38.844400] RIP: 0010:data_area+0x0/0x40

 3761 13:53:00.345095  <4>[   38.849072] Code: ff ff 00 d4 22 45 7a 8c ff ff 00 d3 22 45 7a 8c 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 53

 3762 13:53:00.351746  <4>[   38.870333] RSP: 0018:ffffb09082357e58 EFLAGS: 00010246

 3763 13:53:00.358410  <4>[   38.876455] RAX: 0000000000000033 RBX: ffffffff9ac02e80 RCX: 0000000000000000

 3764 13:53:00.368209  <4>[   38.884712] RDX: 0000000000000000 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50

 3765 13:53:00.374885  <4>[   38.892969] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000

 3766 13:53:00.385049  <4>[   38.901228] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082357f10

 3767 13:53:00.391853  <4>[   38.909486] R13: ffffffff992c8efc R14: ffff8c7a486d1000 R15: ffffb09082357f10

 3768 13:53:00.401281  <4>[   38.917744] FS:  00007f1a574ed740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 3769 13:53:00.407953  <4>[   38.927072] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3770 13:53:00.417817  <4>[   38.933777] CR2: ffffffff9ac02e80 CR3: 0000000103d7e004 CR4: 00000000003706f0

 3771 13:53:00.421119  <4>[   38.942035] Call Trace:

 3772 13:53:00.424690  <4>[   38.945054]  ? __die_body.cold+0x1a/0x1f

 3773 13:53:00.431092  <4>[   38.949729]  ? no_context.constprop.0+0x121/0x320

 3774 13:53:00.434330  <4>[   38.955279]  ? exc_page_fault+0xcd/0x160

 3775 13:53:00.440810  <4>[   38.959945]  ? asm_exc_page_fault+0x1e/0x30

 3776 13:53:00.444025  <4>[   38.964907]  ? execute_location+0x46/0x57

 3777 13:53:00.450681  <4>[   38.969679]  ? direct_entry.cold+0x2c/0x38

 3778 13:53:00.454056  <4>[   38.974544]  ? full_proxy_write+0x53/0x80

 3779 13:53:00.457390  <4>[   38.979309]  ? vfs_write+0xf0/0x3c0

 3780 13:53:00.463853  <4>[   38.983483]  ? ksys_write+0x74/0xf0

 3781 13:53:00.467445  <4>[   38.987674]  ? do_syscall_64+0x30/0x40

 3782 13:53:00.473847  <4>[   38.992147]  ? entry_SYSCALL_64_after_hwframe+0x67/0xd1

 3783 13:53:00.556314  <4>[   38.998275] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 3784 13:53:00.559749  <4>[   39.080674] CR2: ffffffff9ac02e80

 3785 13:53:00.566085  <4>[   39.084682] ---[ end trace 242e5a7a3af61dcb ]---

 3786 13:53:00.569593  <4>[   39.090128] RIP: 0010:lkdtm_BUG+0x5/0x10

 3787 13:53:00.592684  <4>[   39.094796] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 3788 13:53:00.596210  <4>[   39.116058] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 3789 13:53:00.606084  <4>[   39.122180] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 3790 13:53:00.612257  <4>[   39.130439] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 3791 13:53:00.622012  <4>[   39.138697] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 3792 13:53:00.629052  <4>[   39.146955] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 3793 13:53:00.638521  <4>[   39.155212] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 3794 13:53:00.648791  <4>[   39.163470] FS:  00007f1a574ed740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 3795 13:53:00.655442  <4>[   39.172796] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3796 13:53:00.661731  <4>[   39.179501] CR2: ffffffff9ac02e80 CR3: 0000000103d7e004 CR4: 00000000003706f0

 3797 13:53:00.671965  <3>[   39.187760] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3798 13:53:00.681831  <3>[   39.197960] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1599, name: cat

 3799 13:53:00.685010  <4>[   39.206702] INFO: lockdep is turned off.

 3800 13:53:00.691574  <4>[   39.211368] irq event stamp: 0

 3801 13:53:00.698290  <4>[   39.215064] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3802 13:53:00.708279  <4>[   39.222353] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3803 13:53:00.714430  <4>[   39.231768] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3804 13:53:00.724640  <4>[   39.241193] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3805 13:53:00.731226  <4>[   39.248472] CPU: 0 PID: 1599 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3806 13:53:00.741056  <4>[   39.257401] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3807 13:53:00.741190  <4>[   39.264494] Call Trace:

 3808 13:53:00.747740  <4>[   39.267513]  dump_stack+0x77/0x9b

 3809 13:53:00.750896  <4>[   39.271507]  ___might_sleep.cold+0xa6/0xb7

 3810 13:53:00.754293  <4>[   39.276361]  exit_signals+0x1c/0x300

 3811 13:53:00.760681  <4>[   39.280646]  do_exit+0xbd/0xaa0

 3812 13:53:00.764026  <4>[   39.284463]  ? ksys_write+0x74/0xf0

 3813 13:53:00.767597  <4>[   39.288645]  make_task_dead+0x2e/0x30

 3814 13:53:00.774239  <4>[   39.293020]  rewind_stack_and_make_dead+0x17/0x20

 3815 13:53:00.777534  <4>[   39.298560] RIP: 0033:0x7f1a575e8240

 3816 13:53:00.800178  <4>[   39.302838] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 3817 13:53:00.806802  <4>[   39.324107] RSP: 002b:00007ffda534d2d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 3818 13:53:00.816912  <4>[   39.332842] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1a575e8240

 3819 13:53:00.823481  <4>[   39.341101] RDX: 000000000000000a RSI: 00007f1a574cc000 RDI: 0000000000000001

 3820 13:53:00.833936  <4>[   39.349360] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000

 3821 13:53:00.839868  <4>[   39.357623] R10: 00007f1a575094d0 R11: 0000000000000202 R12: 00007f1a574cc000

 3822 13:53:00.850242  <4>[   39.365882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 3823 13:53:00.867294   f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 3824 13:53:00.870756  # [   36.113712] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 3825 13:53:00.880944  # [   36.119826] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 3826 13:53:00.887628  # [   36.128084] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 3827 13:53:00.897404  # [   36.136342] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 3828 13:53:00.903646  # [   36.144622] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 3829 13:53:00.913629  # [   36.152879] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 3830 13:53:00.923689  # [   36.161138] FS:  00007f6c8865f740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 3831 13:53:00.930444  # [   36.170465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3832 13:53:00.936648  # [   36.177160] CR2: ffffb090819c3fff CR3: 0000000106144006 CR4: 00000000003706e0

 3833 13:53:00.946504  # [   36.185421] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3834 13:53:00.956314  # [   36.195626] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1005, name: cat

 3835 13:53:00.959923  # [   36.204368] INFO: lockdep is turned off.

 3836 13:53:00.963157  # [   36.209035] irq event stamp: 0

 3837 13:53:00.972902  # [   36.212731] hardirqs last  enable<6>[   39.488070] lkdtm: Performing direct entry EXEC_STACK

 3838 13:53:00.979575  <6>[   39.498235] lkdtm: attempting ok execution at ffffffff96f954c0

 3839 13:53:00.983024  d at (0): [<0000000000000000>] 0x0

 3840 13:53:00.993060  # [   36.220021] hardirqs la<6>[   39.505081] lkdtm: attempting bad execution at ffffb090823c7e28

 3841 13:53:01.002890  <2>[   39.518190] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3842 13:53:01.009539  <1>[   39.526845] BUG: unable to handle page fault for address: ffffb090823c7e28

 3843 13:53:01.015819  <1>[   39.534813] #PF: supervisor instruction fetch in kernel mode

 3844 13:53:01.022537  <1>[   39.541421] #PF: error_code(0x0011) - permissions violation

 3845 13:53:01.032533  <6>[   39.547933] PGD 100000067 P4D 100000067 PUD 10023f067 PMD 1048c7067 PTE 8000000107337063

 3846 13:53:01.035839  <4>[   39.557262] Oops: 0011 [#6] SMP PTI

 3847 13:53:01.045776  <4>[   39.561443] CPU: 3 PID: 1637 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3848 13:53:01.052462  <4>[   39.570382] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3849 13:53:01.055449  <4>[   39.577477] RIP: 0010:0xffffb090823c7e28

 3850 13:53:01.078616  <4>[   39.582142] Code: 00 00 01 00 00 00 00 00 00 00 32 61 64 97 ff ff ff ff 20 00 00 00 00 00 00 00 0b 00 00 00 00 00 00 00 6c 62 64 97 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 53

 3851 13:53:01.085398  <4>[   39.603415] RSP: 0018:ffffb090823c7e08 EFLAGS: 00010246

 3852 13:53:01.092518  <4>[   39.609529] RAX: 0000000000000033 RBX: ffffb090823c7e28 RCX: 0000000000000000

 3853 13:53:01.102090  <4>[   39.617789] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50

 3854 13:53:01.108552  <4>[   39.626049] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000

 3855 13:53:01.118356  <4>[   39.634309] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090823c7f10

 3856 13:53:01.125113  <4>[   39.642566] R13: ffffffff992c8f06 R14: ffff8c7a43315000 R15: ffffb090823c7f10

 3857 13:53:01.134891  <4>[   39.650826] FS:  00007f431608b740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 3858 13:53:01.141525  <4>[   39.660152] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3859 13:53:01.151588  <4>[   39.666857] CR2: ffffb090823c7e28 CR3: 0000000106540002 CR4: 00000000003706e0

 3860 13:53:01.154918  <4>[   39.675115] Call Trace:

 3861 13:53:01.158139  <4>[   39.678136]  ? __die_body.cold+0x1a/0x1f

 3862 13:53:01.164954  <4>[   39.682804]  ? no_context.constprop.0+0x121/0x320

 3863 13:53:01.168207  <4>[   39.688345]  ? exc_page_fault+0xcd/0x160

 3864 13:53:01.174511  <4>[   39.693013]  ? asm_exc_page_fault+0x1e/0x30

 3865 13:53:01.178242  <4>[   39.697966]  ? execute_location+0x46/0x57

 3866 13:53:01.181023  <4>[   39.702728]  ? lkdtm_EXEC_STACK+0x33/0x51

 3867 13:53:01.187729  <4>[   39.707493]  ? direct_entry.cold+0x2c/0x38

 3868 13:53:01.190934  <4>[   39.712356]  ? full_proxy_write+0x53/0x80

 3869 13:53:01.197542  <4>[   39.717122]  ? vfs_write+0xf0/0x3c0

 3870 13:53:01.201140  <4>[   39.721303]  ? ksys_write+0x74/0xf0

 3871 13:53:01.204347  <4>[   39.725485]  ? do_syscall_64+0x30/0x40

 3872 13:53:01.211183  <4>[   39.729959]  ? entry_SYSCALL_64_after_hwframe+0x67/0xd1

 3873 13:53:01.300426  st disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x21<4>[   39.736085] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 3874 13:53:01.303549  <4>[   39.824687] CR2: ffffb090823c7e28

 3875 13:53:01.310254  <4>[   39.828686] ---[ end trace 242e5a7a3af61dcc ]---

 3876 13:53:01.313089  <4>[   39.834130] RIP: 0010:lkdtm_BUG+0x5/0x10

 3877 13:53:01.336826  <4>[   39.838789] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 3878 13:53:01.339787  <4>[   39.860059] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 3879 13:53:01.349894  <4>[   39.866182] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 3880 13:53:01.356157  <4>[   39.874441] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 3881 13:53:01.366684  <4>[   39.882702] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 3882 13:53:01.373296  <4>[   39.890952] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 3883 13:53:01.382615  <4>[   39.899211] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 3884 13:53:01.392871  <4>[   39.907469] FS:  00007f431608b740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 3885 13:53:01.399256  <4>[   39.916797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3886 13:53:01.405860  <4>[   39.923502] CR2: ffffb090823c7e28 CR3: 0000000106540002 CR4: 00000000003706e0

 3887 13:53:01.405937  90

 3888 13:53:01.415998  # [   36.229436] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3889 13:53:01.422569  # [   36.238861] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3890 13:53:01.432645  # [   36.246141] CPU: 1 PID: 1005 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3891 13:53:01.438977  # [   36.255078] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3892 13:53:01.442583  # [   36.262172] Call Trace:

 3893 13:53:01.445787  # [   36.265189]  dump_stack+0x77/0x9b

 3894 13:53:01.452442  # [   36.269178]  ___might_sleep.cold+0xa6/0xb7

 3895 13:53:01.455405  # [   36.280249]  exit_signals+0x1c/0x300

 3896 13:53:01.458664  # [   36.284530]  do_exit+0xbd/0xaa0

 3897 13:53:01.462493  # [   36.294536]  ? ksys_write+0x74/0xf0

 3898 13:53:01.469319  # [   36.298721]  make_task_dead+0x2e/0x30

 3899 13:53:01.471798  # [   36.309308]  rewind_stack_and_make_dead+0x17/0x20

 3900 13:53:01.475467  # [   36.314849] RIP: 0033:0x7f6c8875a240

 3901 13:53:01.498822  # [   36.319127] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 3902 13:53:01.508244  # [   36.340394] RSP: 002b:00007ffdcd93ef18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 3903 13:53:01.518184  # [   36.349139] RAX: ffffffffffffffda RBX: 000000000000001<6>[   40.035583] lkdtm: Performing direct entry EXEC_KMALLOC

 3904 13:53:01.521648  9 RCX: 00007f6c8875a240

 3905 13:53:01.531419  # [   36.357389] RDX: 0000000000000019 <6>[   40.043620] lkdtm: attempting ok execution at ffffffff96f954c0

 3906 13:53:01.534867  RSI: 00007f6c8863e000 RDI: 0000000000000001

 3907 13:53:01.544418  # [   36.365646] RB<6>[   40.056632] lkdtm: attempting bad execution at ffff8c7a45404880

 3908 13:53:01.551279  P: 0000000000000019 R08: 00000000ffffffff R09: 0000000000000000

 3909 13:53:01.561396  <2>[   40.069747] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3910 13:53:01.567840  <1>[   40.084608] BUG: unable to handle page fault for address: ffff8c7a45404880

 3911 13:53:01.574255  <1>[   40.092579] #PF: supervisor instruction fetch in kernel mode

 3912 13:53:01.581049  <1>[   40.099189] #PF: error_code(0x0011) - permissions violation

 3913 13:53:01.581145  

 3914 13:53:01.594554  # [   36.373904] R10: 00007f6c8867b4d0 R11: 0000000000000202 R1<6>[   40.105703] PGD ce01067 P4D ce01067 PUD 10087e063 PMD 107daa063 PTE 8000000105404063

 3915 13:53:01.601056  <4>[   40.120863] Oops: 0011 [#7] SMP PTI

 3916 13:53:01.607609  <4>[   40.125045] CPU: 1 PID: 1674 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3917 13:53:01.617377  <4>[   40.133976] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3918 13:53:01.620915  <4>[   40.141073] RIP: 0010:0xffff8c7a45404880

 3919 13:53:01.640348  <4>[   40.145740] Code: 00 00 02 00 00 00 00 00 00 00 00 4f 40 45 7a 8c ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3b 1e 50 96 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 53

 3920 13:53:01.647468  <4>[   40.167011] RSP: 0018:ffffb0908243fe48 EFLAGS: 00010246

 3921 13:53:01.657181  <4>[   40.173128] RAX: 0000000000000033 RBX: ffff8c7a45404880 RCX: 0000000000000000

 3922 13:53:01.663769  <4>[   40.181380] RDX: 0000000000000000 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50

 3923 13:53:01.673765  <4>[   40.189641] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000

 3924 13:53:01.680118  <4>[   40.197901] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908243ff10

 3925 13:53:01.689855  <4>[   40.206162] R13: ffffffff992c8f11 R14: ffff8c7a4429a000 R15: ffffb0908243ff10

 3926 13:53:01.700028  <4>[   40.214423] FS:  00007f9f27411740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 3927 13:53:01.706896  <4>[   40.223751] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3928 13:53:01.713347  <4>[   40.230458] CR2: ffff8c7a45404880 CR3: 0000000106540005 CR4: 00000000003706e0

 3929 13:53:01.716986  <4>[   40.238717] Call Trace:

 3930 13:53:01.719794  2:< 00007f6c8863e000

 3931 13:53:01.726736  # [   36.382163] R13: 0000000000000001 R14:4>[   40.241737]  ? __die_body.cold+0x1a/0x1f

 3932 13:53:01.733103  <4>[   40.252626]  ? no_context.constprop.0+0x121/0x320

 3933 13:53:01.736681   0000000000020000 R15: 0000000000000000

 3934 13:53:01.743301  # STACK_GUARD_PAGE_LEAD<4>[   40.258173]  ? exc_page_fault+0xcd/0x160

 3935 13:53:01.749636  <4>[   40.269053]  ? asm_exc_page_fault+0x1e/0x30

 3936 13:53:01.752889  IN<G: saw 'call trace:': ok

 3937 13:53:01.759578  ok 12 selftests: lkdtm: STACK_GUARD_4>[   40.274019]  ? execute_location+0x46/0x57

 3938 13:53:01.766145  <4>[   40.285002]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 3939 13:53:01.769450  <4>[   40.289963]  ? direct_entry.cold+0x2c/0x38

 3940 13:53:01.775939  <4>[   40.294828]  ? full_proxy_write+0x53/0x80

 3941 13:53:01.779442  <4>[   40.299595]  ? vfs_write+0xf0/0x3c0

 3942 13:53:01.782591  <4>[   40.303802]  ? ksys_write+0x74/0xf0

 3943 13:53:01.786013  <4>[   40.307985]  ? do_syscall_64+0x30/0x40

 3944 13:53:01.792460  <4>[   40.312451]  ? entry_SYSCALL_64_after_hwframe+0x67/0xd1

 3945 13:53:01.795937  PAGE_LEADING.sh

 3946 13:53:01.882112  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.s<4>[   40.318577] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 3947 13:53:01.885044  <4>[   40.407162] CR2: ffff8c7a45404880

 3948 13:53:01.891624  <4>[   40.411141] ---[ end trace 242e5a7a3af61dcd ]---

 3949 13:53:01.894865  <4>[   40.416586] RIP: 0010:lkdtm_BUG+0x5/0x10

 3950 13:53:01.917858  <4>[   40.421254] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 3951 13:53:01.924634  <4>[   40.442529] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 3952 13:53:01.931364  <4>[   40.448675] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 3953 13:53:01.941283  <4>[   40.456937] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 3954 13:53:01.947876  <4>[   40.465198] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 3955 13:53:01.957694  <4>[   40.473457] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 3956 13:53:01.964695  <4>[   40.481718] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 3957 13:53:01.974545  <4>[   40.489979] FS:  00007f9f27411740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 3958 13:53:01.980953  <4>[   40.499308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3959 13:53:01.991066  <4>[   40.506014] CR2: ffff8c7a45404880 CR3: 0000000106540005 CR4: 00000000003706e0

 3960 13:53:02.001092  <3>[   40.514275] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3961 13:53:02.007186  <3>[   40.524477] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1674, name: cat

 3962 13:53:02.014398  <4>[   40.533222] INFO: lockdep is turned off.

 3963 13:53:02.017528  <4>[   40.537888] irq event stamp: 0

 3964 13:53:02.024008  <4>[   40.541584] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3965 13:53:02.033807  <4>[   40.548874] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3966 13:53:02.043870  <4>[   40.558292] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 3967 13:53:02.050378  <4>[   40.567720] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3968 13:53:02.057789  <4>[   40.575010] CPU: 1 PID: 1674 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3969 13:53:02.065145  <4>[   40.583952] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3970 13:53:02.068270  <4>[   40.591050] Call Trace:

 3971 13:53:02.071703  <4>[   40.594071]  dump_stack+0x77/0x9b

 3972 13:53:02.074977  h

 3973 13:53:02.075053  # Segmentation fault

 3974 13:53:02.084616  # [   36.478038] lkdtm: Performing dire<4>[   40.598061]  ___might_sleep.cold+0xa6/0xb7

 3975 13:53:02.087921  <4>[   40.609136]  exit_signals+0x1c/0x300

 3976 13:53:02.091306  ct entry STACK_GUARD_PAGE_TRAILING

 3977 13:53:02.098086  # [   36.491070] lkdtm: atte<4>[   40.613417]  do_exit+0xbd/0xaa0

 3978 13:53:02.101146  <4>[   40.623424]  ? ksys_write+0x74/0xf0

 3979 13:53:02.108027  <4>[   40.627626]  make_task_dead+0x2e/0x30

 3980 13:53:02.111177  mpting bad read from page above current stack

 3981 13:53:02.118270  # [   36.504723] <4>[   40.632006]  rewind_stack_and_make_dead+0x17/0x20

 3982 13:53:02.124820  <4>[   40.643760] RIP: 0033:0x7f9f2750c240

 3983 13:53:02.144090  <4>[   40.648040] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 3984 13:53:02.154213  <4>[   40.669313] RSP: 002b:00007ffea6b41958 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 3985 13:53:02.160884  <4>[   40.678061] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f9f2750c240

 3986 13:53:02.170779  <4>[   40.686322] RDX: 000000000000000d RSI: 00007f9f273f0000 RDI: 0000000000000001

 3987 13:53:02.177303  <4>[   40.694574] RBP: 000000000000000d R08: 00000000ffffffff R09: 0000000000000000

 3988 13:53:02.187374  <4>[   40.702835] R10: 00007f9f2742d4d0 R11: 0000000000000202 R12: 00007f9f273f0000

 3989 13:53:02.194343  <4>[   40.711094] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 3990 13:53:02.203556  BUG: stack guard page was hit at 00000000f9c12c55 (stack is 00000000b43143c3..000000002637f4c9)

 3991 13:53:02.210137  # [   36.522066] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3992 13:53:02.220726  # [   36.529161] CPU: 0 PID: 1039 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 3993 13:53:02.226805  # [   36.538091] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3994 13:53:02.233815  # [   36.545189] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x25/0x42

 3995 13:53:02.252933  # [   36.552086] Code: e9 9b f2 fb ff 0f 1f 44 00 00 53 48 c7 c7 b8 96 2c 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 c6 44 24 07 00 e8 76 f2 fb ff <8a> 83 00 40 00 00 48 c7 c7 f8 96 2c 99 88 44 24 07 0f b6 74 24 07

 3996 13:53:02.259999  # [   36.573353] RSP: 0018:ffffb09081a57e60 EFLAGS: 00010246

 3997 13:53:02.269776  # [   36.579477] RAX: 0000000000000038 RBX: ffffb09081a54000 RCX: 0000000000000000

 3998 13:53:02.276685  # [   36.587736] RDX: 0000000000000000 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50

 3999 13:53:02.286185  # [   36.595995] RBP: 000000000000001a R08: 0000000000000000 R09: 0000000000000000

 4000 13:53:02.292990  # [   36.604245] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09081a57f10

 4001 13:53:02.302562  # [   36.612502] R13: ffffffff992c8dc3 R14: ffff8c7a44e1b000 R15: ffffb09081a57f10

 4002 13:53:02.312577  # [   36.620762] FS:  00007f6647ff2740(0000) GS:ff<6>[   40.828616] lkdtm: Performing direct entry EXEC_VMALLOC

 4003 13:53:02.319254  <6>[   40.837395] lkdtm: attempting ok execution at ffffffff96f954c0

 4004 13:53:02.323035  ff8c7abac00000(0000) knlGS:0000000000000000

 4005 13:53:02.332434  # [   36.630089] CS<6>[   40.844213] lkdtm: attempting bad execution at ffffb09080385000

 4006 13:53:02.342557  <2>[   40.857345] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4007 13:53:02.345695  :  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4008 13:53:02.355581  # [   36.636785<1>[   40.866002] BUG: unable to handle page fault for address: ffffb09080385000

 4009 13:53:02.362017  <1>[   40.880186] #PF: supervisor instruction fetch in kernel mode

 4010 13:53:02.368524  <1>[   40.886797] #PF: error_code(0x0011) - permissions violation

 4011 13:53:02.385150  ] <CR2: ffffb09081a58000 CR3: 00000001066b2001 CR4: 00000000003706>[   40.893303] PGD 100000067 P4D 100000067 PUD 10023f067 PMD 1009ee067 PTE 8000000106460063

 4012 13:53:02.388930  <4>[   40.908851] Oops: 0011 [#8] SMP PTI

 4013 13:53:02.398653  <4>[   40.913035] CPU: 2 PID: 1711 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4014 13:53:02.405191  <4>[   40.921976] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4015 13:53:02.408448  <4>[   40.929074] RIP: 0010:0xffffb09080385000

 4016 13:53:02.408525  6f0

 4017 13:53:02.411720  # [   36.645043] Call Trace:

 4018 13:53:02.414928  # [   36.648060]  <#DF>

 4019 13:53:02.421730  # [ <4>[   40.933745] Code: Unable to access opcode bytes at RIP 0xffffb09080384fd6.

 4020 13:53:02.428262  <4>[   40.947924] RSP: 0018:ffffb090824b7e48 EFLAGS: 00010246

 4021 13:53:02.438224  <4>[   40.954050] RAX: 0000000000000033 RBX: ffffb09080385000 RCX: 0000000000000000

 4022 13:53:02.444870  <4>[   40.962308] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 4023 13:53:02.454681  <4>[   40.970569] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000

 4024 13:53:02.461454  <4>[   40.978829] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090824b7f10

 4025 13:53:02.471072  <4>[   40.987090] R13: ffffffff992c8f1e R14: ffff8c7a46460000 R15: ffffb090824b7f10

 4026 13:53:02.480976  <4>[   40.995352] FS:  00007fa0b87d8740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 4027 13:53:02.487747  <4>[   41.004687] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4028 13:53:02.494290  <4>[   41.011395] CR2: ffffb09080384fd6 CR3: 0000000106440002 CR4: 00000000003706e0

 4029 13:53:02.497400  <4>[   41.019669] Call Trace:

 4030 13:53:02.501302  <4>[   41.022712]  ? __die_body.cold+0x1a/0x1f

 4031 13:53:02.507310  <4>[   41.027381]  ? no_context.constprop.0+0x121/0x320

 4032 13:53:02.514163  <4>[   41.032925]  ? exc_page_fault+0xcd/0x160

 4033 13:53:02.517928  <4>[   41.037595]  ? asm_exc_page_fault+0x1e/0x30

 4034 13:53:02.520674  <4>[   41.042558]  ? execute_location+0x46/0x57

 4035 13:53:02.527959  <4>[   41.047324]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4036 13:53:02.530775  <4>[   41.052283]  ? direct_entry.cold+0x2c/0x38

 4037 13:53:02.537496  <4>[   41.057148]  ? full_proxy_write+0x53/0x80

 4038 13:53:02.540634  <4>[   41.061916]  ? vfs_write+0xf0/0x3c0

 4039 13:53:02.544146  <4>[   41.066100]  ? ksys_write+0x74/0xf0

 4040 13:53:02.550557  <4>[   41.070282]  ? do_syscall_64+0x30/0x40

 4041 13:53:02.557337  <4>[   41.074755]  ? entry_SYSCALL_64_after_hwframe+0x67/0xd1

 4042 13:53:02.560505    36.650584]  ? __die_body.cold+0x1a/0x1f

 4043 13:53:02.643197  # [   36.655256]  ? d<4>[   41.080883] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 4044 13:53:02.649791  <4>[   41.169492] CR2: ffffb09080385000

 4045 13:53:02.652961  <4>[   41.173480] ---[ end trace 242e5a7a3af61dce ]---

 4046 13:53:02.659379  <4>[   41.178926] RIP: 0010:lkdtm_BUG+0x5/0x10

 4047 13:53:02.679469  <4>[   41.183583] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 4048 13:53:02.686040  <4>[   41.204857] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 4049 13:53:02.692888  <4>[   41.210980] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 4050 13:53:02.702544  <4>[   41.219240] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 4051 13:53:02.709232  <4>[   41.227500] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 4052 13:53:02.719106  <4>[   41.235759] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 4053 13:53:02.725611  <4>[   41.244018] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 4054 13:53:02.735593  <4>[   41.252277] FS:  00007fa0b87d8740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 4055 13:53:02.742316  <4>[   41.261626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4056 13:53:02.751940  <4>[   41.268332] CR2: ffffb09080384fd6 CR3: 0000000106440002 CR4: 00000000003706e0

 4057 13:53:02.752068  ie+0x2a/0x50

 4058 13:53:02.759392  # [   36.658764]  ? handle_stack_overflow+0x3d/0x4c

 4059 13:53:02.762070  # [   36.664017]  ? no_context.constprop.0+0x1e7/0x320

 4060 13:53:02.765235  # [   36.669557]  </#DF>

 4061 13:53:02.851316  # [   36.672183] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backli<6>[   41.368787] lkdtm: Performing direct entry EXEC_RODATA

 4062 13:53:02.857791  <6>[   41.375898] lkdtm: attempting ok execution at ffffffff96f954c0

 4063 13:53:02.864184  <6>[   41.382736] lkdtm: attempting bad execution at ffffffff98e41080

 4064 13:53:02.874236  <2>[   41.389696] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4065 13:53:02.877980  ght chromeos_pstore coreboot_table

 4066 13:53:02.887428  # [   36.754570] ---[ end tr<1>[   41.398356] BUG: unable to handle page fault for address: ffffffff98e41080

 4067 13:53:02.893919  <1>[   41.412538] #PF: supervisor instruction fetch in kernel mode

 4068 13:53:02.901078  <1>[   41.419149] #PF: error_code(0x0011) - permissions violation

 4069 13:53:02.907264  <6>[   41.425662] PGD b429067 P4D b429067 PUD b42a063 PMD 800000000ae000e1 

 4070 13:53:02.910700  ace 242e5a7a3af61dc9 ]---

 4071 13:53:02.917055  # [   36.760021] RIP: 0010:lkdtm_BUG+<4>[   41.433150] Oops: 0011 [#9] SMP PTI

 4072 13:53:02.927334  <4>[   41.443546] CPU: 3 PID: 1748 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4073 13:53:02.927468  0x5/0x10

 4074 13:53:02.940653  # [   36.764688] Code: ff ff ff eb e0 48 c7 c0 f4 ff f<4>[   41.452489] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4075 13:53:02.947045  <4>[   41.465800] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4076 13:53:02.967022  <4>[   41.471827] Code: ff ff 75 76 64 97 ff ff ff ff 52 91 2c 99 ff ff ff ff 20 5e 64 97 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 <c3> cc cc cc cc 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69

 4077 13:53:02.973242  <4>[   41.493101] RSP: 0018:ffffb0908256fe58 EFLAGS: 00010246

 4078 13:53:02.983469  <4>[   41.499217] RAX: 0000000000000033 RBX: ffffffff98e41080 RCX: 0000000000000000

 4079 13:53:02.990211  <4>[   41.507469] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50

 4080 13:53:02.999962  <4>[   41.515728] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4081 13:53:03.006165  <4>[   41.523986] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908256ff10

 4082 13:53:03.016298  <4>[   41.532245] R13: ffffffff992c8f2b R14: ffff8c7a42bb1000 R15: ffffb0908256ff10

 4083 13:53:03.026653  <4>[   41.540506] FS:  00007fe4c3dac740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 4084 13:53:03.032799  <4>[   41.549834] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4085 13:53:03.039835  <4>[   41.556542] CR2: ffffffff98e41080 CR3: 0000000106558002 CR4: 00000000003706e0

 4086 13:53:03.043144  <4>[   41.564803] Call Trace:

 4087 13:53:03.046212  <4>[   41.567823]  ? __die_body.cold+0x1a/0x1f

 4088 13:53:03.053243  <4>[   41.572494]  ? no_context.constprop.0+0x121/0x320

 4089 13:53:03.055937  <4>[   41.578040]  ? exc_page_fault+0xcd/0x160

 4090 13:53:03.062646  <4>[   41.582710]  ? asm_exc_page_fault+0x1e/0x30

 4091 13:53:03.066063  <4>[   41.587683]  ? execute_location+0x46/0x57

 4092 13:53:03.072463  <4>[   41.592449]  ? direct_entry.cold+0x2c/0x38

 4093 13:53:03.076098  <4>[   41.597305]  ? full_proxy_write+0x53/0x80

 4094 13:53:03.082424  <4>[   41.602073]  ? vfs_write+0xf0/0x3c0

 4095 13:53:03.086055  <4>[   41.606255]  ? ksys_write+0x74/0xf0

 4096 13:53:03.089082  <4>[   41.610439]  ? do_syscall_64+0x30/0x40

 4097 13:53:03.095798  <4>[   41.614914]  ? entry_SYSCALL_64_after_hwframe+0x67/0xd1

 4098 13:53:03.185138  f ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc<4>[   41.621041] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 4099 13:53:03.188324  <4>[   41.709653] CR2: ffffffff98e41080

 4100 13:53:03.194907  <4>[   41.713677] ---[ end trace 242e5a7a3af61dcf ]---

 4101 13:53:03.198251  <4>[   41.719124] RIP: 0010:lkdtm_BUG+0x5/0x10

 4102 13:53:03.221325  <4>[   41.723791] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 4103 13:53:03.224728  <4>[   41.745066] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 4104 13:53:03.234827  <4>[   41.751190] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 4105 13:53:03.241063  <4>[   41.759441] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 4106 13:53:03.251174  <4>[   41.767701] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 4107 13:53:03.257617  <4>[   41.775962] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 4108 13:53:03.267833  <4>[   41.784222] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 4109 13:53:03.277509  <4>[   41.792484] FS:  00007fe4c3dac740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 4110 13:53:03.284044  <4>[   41.801805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4111 13:53:03.290719  <4>[   41.808513] CR2: ffffffff98e41080 CR3: 0000000106558002 CR4: 00000000003706e0

 4112 13:53:03.300426  <3>[   41.816774] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4113 13:53:03.310559  <3>[   41.826978] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1748, name: cat

 4114 13:53:03.313761  <4>[   41.835725] INFO: lockdep is turned off.

 4115 13:53:03.320355  <4>[   41.840393] irq event stamp: 0

 4116 13:53:03.327418  <4>[   41.844088] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4117 13:53:03.336995  <4>[   41.851379] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 4118 13:53:03.343470  <4>[   41.860806] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 4119 13:53:03.353406  <4>[   41.870233] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4120 13:53:03.360150  <4>[   41.877526] CPU: 3 PID: 1748 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4121 13:53:03.370396  <4>[   41.886458] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4122 13:53:03.370519  <4>[   41.893552] Call Trace:

 4123 13:53:03.377160  <4>[   41.896570]  dump_stack+0x77/0x9b

 4124 13:53:03.379971  <4>[   41.900560]  ___might_sleep.cold+0xa6/0xb7

 4125 13:53:03.383517  <4>[   41.905423]  exit_signals+0x1c/0x300

 4126 13:53:03.389728  <4>[   41.909703]  do_exit+0xbd/0xaa0

 4127 13:53:03.393033  <4>[   41.913490]  ? ksys_write+0x74/0xf0

 4128 13:53:03.396904  <4>[   41.917687]  make_task_dead+0x2e/0x30

 4129 13:53:03.402990  <4>[   41.922064]  rewind_stack_and_make_dead+0x17/0x20

 4130 13:53:03.406585  <4>[   41.927596] RIP: 0033:0x7fe4c3ea7240

 4131 13:53:03.429560  <4>[   41.931875] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 4132 13:53:03.436061  <4>[   41.953151] RSP: 002b:00007ffda9f77808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 4133 13:53:03.445828  <4>[   41.961898] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fe4c3ea7240

 4134 13:53:03.452607  <4>[   41.970157] RDX: 000000000000000c RSI: 00007fe4c3d8b000 RDI: 0000000000000001

 4135 13:53:03.462666  <4>[   41.978417] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000

 4136 13:53:03.469238  <4>[   41.986679] R10: 00007fe4c3dc84d0 R11: 0000000000000202 R12: 00007fe4c3d8b000

 4137 13:53:03.479414  <4>[   41.994939] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 4138 13:53:03.489244   cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 4139 13:53:03.492705  # [   36.785955] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 4140 13:53:03.502689  # [   36.792077] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 4141 13:53:03.509269  # [   36.800336] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 4142 13:53:03.518982  # [   36.808596] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 4143 13:53:03.525965  # [   36.816854] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 4144 13:53:03.535657  # [   36.825112] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 4145 13:53:03.545211  # [   36.833371] FS:  00007f6647ff2740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 4146 13:53:03.552056  # [   36.842696] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4147 13:53:03.558810  # [   36.849400] CR2: ffffb09081a58000 CR3: 00000001066b2001 CR4: 00000000003706f0

 4148 13:53:03.565114  # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok

 4149 13:53:03.568456  ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 4150 13:53:03.571818  # selftests: lkdtm: UNSET_SMEP.sh

 4151 13:53:03.578542  # [   37.017422] lkdtm: Performing direct entry UNSET_SMEP

 4152 13:53:03.585288  # [   37.025202] lkdtm: trying to clear SMEP normally

 4153 13:53:03.588255  # [   37.030699] ------------[ cut here ]------------

 4154 13:53:03.594709  # [   37.036178] pinned CR4 bits changed: 0x100000!?

 4155 13:53:03.601450  # [   37.047748] WARNI<6>[   42.121113] lkdtm: Performing direct entry EXEC_USERSPACE

 4156 13:53:03.614846  NG: CPU: 2 PID: 1076 at arch/x86/kernel/cpu/common.c:396 native_<6>[   42.127683] lkdtm: attempting ok execution at ffffffff96f954c0

 4157 13:53:03.618018  write_cr4+0x45/0x60

 4158 13:53:03.627719  # [   37.058274] Modules linked in: fuse ip<6>[   42.140712] lkdtm: attempting bad execution at 00007f222540e000

 4159 13:53:03.641290  _tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core i<2>[   42.153820] unable to execute userspace code (SMEP?) (uid: 0)

 4160 13:53:03.650871  <1>[   42.166732] BUG: unable to handle page fault for address: 00007f222540e000

 4161 13:53:03.657563  <1>[   42.174702] #PF: supervisor instruction fetch in kernel mode

 4162 13:53:03.664181  <1>[   42.181311] #PF: error_code(0x0011) - permissions violation

 4163 13:53:03.680723  ndustrialio_triggered_buffer kfifo_buf industrialio btusb btrtl <6>[   42.187823] PGD 800000010662d067 P4D 800000010662d067 PUD 10662c067 PMD 103ec0067 PTE 10c224067

 4164 13:53:03.683643  <4>[   42.204050] Oops: 0011 [#10] SMP PTI

 4165 13:53:03.693638  <4>[   42.208330] CPU: 1 PID: 1785 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4166 13:53:03.700196  <4>[   42.217269] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4167 13:53:03.703490  <4>[   42.224364] RIP: 0010:0x7f222540e000

 4168 13:53:03.710331  <4>[   42.228643] Code: Unable to access opcode bytes at RIP 0x7f222540dfd6.

 4169 13:53:03.716755  <4>[   42.236223] RSP: 0018:ffffb09082617e60 EFLAGS: 00010246

 4170 13:53:03.726619  <4>[   42.242347] RAX: 0000000000000033 RBX: 00007f222540e000 RCX: 0000000000000000

 4171 13:53:03.733622  <4>[   42.250623] RDX: 0000000000000000 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50

 4172 13:53:03.743235  <4>[   42.258882] RBP: 000000000000000f R08: 0000000000000000 R09: 0000000000000000

 4173 13:53:03.749778  <4>[   42.267143] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082617f10

 4174 13:53:03.759879  <4>[   42.275403] R13: ffffffff992c8f37 R14: ffff8c7a42b98000 R15: ffffb09082617f10

 4175 13:53:03.766559  <4>[   42.283674] FS:  00007f2225227740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 4176 13:53:03.776195  <4>[   42.293004] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4177 13:53:03.782907  <4>[   42.299712] CR2: 00007f222540e000 CR3: 0000000107972002 CR4: 00000000003706e0

 4178 13:53:03.786041  <4>[   42.307964] Call Trace:

 4179 13:53:03.796248  bt<bcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev 4>[   42.310984]  ? __die_body.cold+0x1a/0x1f

 4180 13:53:03.802594  <4>[   42.321872]  ? no_context.constprop.0+0x121/0x320

 4181 13:53:03.812773  cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_light<4>[   42.327419]  ? exc_page_fault+0x4e/0x160

 4182 13:53:03.819333  <4>[   42.338299]  ? asm_exc_page_fault+0x1e/0x30

 4183 13:53:03.828975  bar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc<4>[   42.343264]  ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae

 4184 13:53:03.835557  <4>[   42.355119]  ? direct_entry.cold+0x2c/0x38

 4185 13:53:03.839248  <4>[   42.359976]  ? full_proxy_write+0x53/0x80

 4186 13:53:03.848938  _bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219<4>[   42.364744]  ? vfs_write+0xf0/0x3c0

 4187 13:53:03.855328  <4>[   42.375139]  ? ksys_write+0x74/0xf0

 4188 13:53:03.858948  <4>[   42.379315]  ? do_syscall_64+0x30/0x40

 4189 13:53:03.865193  <4>[   42.383790]  ? entry_SYSCALL_64_after_hwframe+0x67/0xd1

 4190 13:53:03.954534   processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x<4>[   42.389918] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 4191 13:53:03.957995  <4>[   42.478499] CR2: 00007f222540e000

 4192 13:53:03.964217  <4>[   42.482480] ---[ end trace 242e5a7a3af61dd0 ]---

 4193 13:53:03.967427  <4>[   42.487926] RIP: 0010:lkdtm_BUG+0x5/0x10

 4194 13:53:03.987422  <4>[   42.492584] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 4195 13:53:03.994012  <4>[   42.513860] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 4196 13:53:04.004092  <4>[   42.519983] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 4197 13:53:04.010441  <4>[   42.528245] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 4198 13:53:04.020633  <4>[   42.536505] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 4199 13:53:04.026986  <4>[   42.544768] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 4200 13:53:04.043576  86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev<4>[   42.553031] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 4201 13:53:04.053501  <4>[   42.567508] FS:  00007f2225227740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 4202 13:53:04.060116  <4>[   42.576837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4203 13:53:04.066712  <4>[   42.583544] CR2: 00007f222540e000 CR3: 0000000107972002 CR4: 00000000003706e0

 4204 13:53:04.096477   snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 4205 13:53:04.102760  # [   37.146898] CPU: 2 PID: 1076 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4206 13:53:04.109457  # [   37.155849] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4207 13:53:04.116110  # [   37.169151] RIP: 0010:native_write_cr4+0x45/0x60

 4208 13:53:04.139142  # [   37.174616] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 3d 34 26 03 00 75 f2 48 c7 c7 70 5e 1c 99 c6 05 2d 34 26 03 01 e8 e6 b5 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 4209 13:53:04.142663  # [   37.195903] RSP: 0018:ffffb09081acfe58 EFLAGS: 00010282

 4210 13:53:04.152434  # [   37.208235] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000

 4211 13:53:04.159004  # [   37.216496] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 4212 13:53:04.169080  # [   37.224757] RBP: 000000000000000b R08: 0000000000000000 R09: 0000000000000000

 4213 13:53:04.175519  # [   37.233019] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09081acff10

 4214 13:53:04.185359  # [   37.241281] R13: ffffffff992c8ddd R14: ffff8c7a459c3000 R15: ffffb09081acff10

 4215 13:53:04.192383  # [   <6>[   42.703687] lkdtm: Performing direct entry EXEC_NULL

 4216 13:53:04.198702  <6>[   42.715741] lkdtm: attempting ok execution at ffffffff96f954c0

 4217 13:53:04.205095  <6>[   42.722582] lkdtm: attempting bad execution at 0000000000000000

 4218 13:53:04.211739  <1>[   42.729535] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4219 13:53:04.224929  37.249543] FS:  00007ff26aa41740(0000) GS:ffff8c7abad00000(0000)<1>[   42.737612] #PF: supervisor instruction fetch in kernel mode

 4220 13:53:04.232036  <1>[   42.750436] #PF: error_code(0x0010) - not-present page

 4221 13:53:04.234763  <6>[   42.756456] PGD 0 P4D 0 

 4222 13:53:04.238077   knlGS:0000000000000000

 4223 13:53:04.244452  # [   37.258872] CS:  0010 DS: 0000 ES:<4>[   42.759575] Oops: 0010 [#11] SMP PTI

 4224 13:53:04.254638  <4>[   42.770067] CPU: 2 PID: 1822 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4225 13:53:04.257847   0000 CR0: 0000000080050033

 4226 13:53:04.267649  # [   37.265578] CR2: 00007ff26aa20<4>[   42.779012] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4227 13:53:04.271269  <4>[   42.792325] RIP: 0010:0x0

 4228 13:53:04.277545  <4>[   42.795538] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 4229 13:53:04.284325  <4>[   42.803507] RSP: 0018:ffffb0908269fe58 EFLAGS: 00010246

 4230 13:53:04.294113  <4>[   42.809625] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4231 13:53:04.301104  <4>[   42.817885] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 4232 13:53:04.310964  <4>[   42.826145] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4233 13:53:04.317526  <4>[   42.834405] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908269ff10

 4234 13:53:04.327280  <4>[   42.842686] R13: ffffffff992c8f46 R14: ffff8c7a45137000 R15: ffffb0908269ff10

 4235 13:53:04.334183  <4>[   42.850947] FS:  00007f081958e740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 4236 13:53:04.340945  <4>[   42.860267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4237 13:53:04.350304  <4>[   42.866972] CR2: ffffffffffffffd6 CR3: 00000001062de001 CR4: 00000000003706e0

 4238 13:53:04.353985  <4>[   42.875233] Call Trace:

 4239 13:53:04.357061  <4>[   42.878253]  ? __die_body.cold+0x1a/0x1f

 4240 13:53:04.363640  <4>[   42.882923]  ? no_context.constprop.0+0x121/0x320

 4241 13:53:04.367018  <4>[   42.888467]  ? exc_page_fault+0x4e/0x160

 4242 13:53:04.373593  <4>[   42.893135]  ? asm_exc_page_fault+0x1e/0x30

 4243 13:53:04.376941  <4>[   42.898090]  execute_location+0x46/0x57

 4244 13:53:04.383715  <4>[   42.902680]  direct_entry.cold+0x2c/0x38

 4245 13:53:04.387060  <4>[   42.907350]  full_proxy_write+0x53/0x80

 4246 13:53:04.390443  <4>[   42.911922]  vfs_write+0xf0/0x3c0

 4247 13:53:04.393566  <4>[   42.915901]  ksys_write+0x74/0xf0

 4248 13:53:04.399982  <4>[   42.919889]  do_syscall_64+0x30/0x40

 4249 13:53:04.406937  <4>[   42.924169]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 4250 13:53:04.409984  <4>[   42.930099] RIP: 0033:0x7f0819689240

 4251 13:53:04.429717  <4>[   42.934371] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 4252 13:53:04.439746  <4>[   42.955635] RSP: 002b:00007fff56747978 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 4253 13:53:04.446359  <4>[   42.964381] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0819689240

 4254 13:53:04.456284  <4>[   42.972641] RDX: 000000000000000a RSI: 00007f081956d000 RDI: 0000000000000001

 4255 13:53:04.462705  <4>[   42.980899] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000

 4256 13:53:04.472528  <4>[   42.989160] R10: 00007f08195aa4d0 R11: 0000000000000202 R12: 00007f081956d000

 4257 13:53:04.479250  <4>[   42.997421] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 4258 13:53:04.486025  000 CR3: 0000000100e76006 CR4: 00000000003706e0

 4259 13:53:04.568509  # [   37.273839<4>[   43.005685] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 4260 13:53:04.571996  <4>[   43.094298] CR2: 0000000000000000

 4261 13:53:04.578388  <4>[   43.098277] ---[ end trace 242e5a7a3af61dd1 ]---

 4262 13:53:04.581683  <4>[   43.103722] RIP: 0010:lkdtm_BUG+0x5/0x10

 4263 13:53:04.604861  <4>[   43.108388] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 4264 13:53:04.611454  <4>[   43.129660] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 4265 13:53:04.618233  <4>[   43.135828] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 4266 13:53:04.628115  <4>[   43.144089] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 4267 13:53:04.634842  <4>[   43.152350] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 4268 13:53:04.644425  <4>[   43.160623] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 4269 13:53:04.651121  <4>[   43.168884] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 4270 13:53:04.661396  <4>[   43.177143] FS:  00007f081958e740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 4271 13:53:04.669080  <4>[   43.186470] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4272 13:53:04.678092  <4>[   43.193177] CR2: ffffffffffffffd6 CR3: 00000001062de001 CR4: 00000000003706e0

 4273 13:53:04.687409  <3>[   43.201436] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4274 13:53:04.694343  <3>[   43.211637] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1822, name: cat

 4275 13:53:04.701550  <4>[   43.220380] INFO: lockdep is turned off.

 4276 13:53:04.703956  <4>[   43.225047] irq event stamp: 0

 4277 13:53:04.710977  <4>[   43.228744] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4278 13:53:04.720891  <4>[   43.236034] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 4279 13:53:04.730439  <4>[   43.245453] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 4280 13:53:04.737292  <4>[   43.254879] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4281 13:53:04.746982  <4>[   43.262168] CPU: 2 PID: 1822 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4282 13:53:04.753637  <4>[   43.271107] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4283 13:53:04.757011  <4>[   43.278201] Call Trace:

 4284 13:53:04.760090  <4>[   43.281219]  dump_stack+0x77/0x9b

 4285 13:53:04.763711  <4>[   43.285209]  ___might_sleep.cold+0xa6/0xb7

 4286 13:53:04.770319  <4>[   43.290073]  exit_signals+0x1c/0x300

 4287 13:53:04.773425  <4>[   43.294354]  do_exit+0xbd/0xaa0

 4288 13:53:04.776654  <4>[   43.298139]  ? ksys_write+0x74/0xf0

 4289 13:53:04.779944  <4>[   43.302323]  make_task_dead+0x2e/0x30

 4290 13:53:04.786720  <4>[   43.306702]  rewind_stack_and_make_dead+0x17/0x20

 4291 13:53:04.789924  <4>[   43.312245] RIP: 0033:0x7f0819689240

 4292 13:53:04.813184  <4>[   43.316524] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 4293 13:53:04.823640  <4>[   43.337800] RSP: 002b:00007fff56747978 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 4294 13:53:04.829644  <4>[   43.346546] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0819689240

 4295 13:53:04.839457  <4>[   43.354807] RDX: 000000000000000a RSI: 00007f081956d000 RDI: 0000000000000001

 4296 13:53:04.846293  <4>[   43.363068] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000

 4297 13:53:04.856290  <4>[   43.371329] R10: 00007f08195aa4d0 R11: 0000000000000202 R12: 00007f081956d000

 4298 13:53:04.862891  <4>[   43.379590] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 4299 13:53:04.862997  ] Call Trace:

 4300 13:53:04.869356  # [   37.276863]  ? __warn+0x80/0x110

 4301 13:53:04.872877  # [   37.280776]  ? native_write_cr4+0x45/0x60

 4302 13:53:04.876098  # [   37.285546]  ? report_bug+0x99/0xc0

 4303 13:53:04.882669  # [   37.295946]  ? handle_bug+0x41/0x80

 4304 13:53:04.885827  # [   37.306341]  ? exc_invalid_op+0x13/0x60

 4305 13:53:04.889329  # [   37.310917]  ? asm_exc_invalid_op+0x12/0x20

 4306 13:53:04.895701  # [   37.315883]  ? native_write_cr4+0x45/0x60

 4307 13:53:04.899109  # [   37.320677]  ? native_write_cr4+0x45/0x60

 4308 13:53:04.905904  # [   37.331651]  lkdtm_UNSET_SMEP.cold+0x1f/0x110

 4309 13:53:04.909085  # [   37.336808]  direct_entry.cold+0x2c/0x38

 4310 13:53:04.912818  # [   37.341503]  full_proxy_write+0x53/0x80

 4311 13:53:04.918970  # [   37.346108]  vfs_write+0xf0/0x3c0

 4312 13:53:04.922095  # [   37.350123]  ksys_write+0x74/0xf0

 4313 13:53:04.925701  # [   37.354113]  do_syscall_64+0x30/0x40

 4314 13:53:04.932184  # [   37.358420]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 4315 13:53:04.935099  # [   37.364351] RIP: 0033:0x7ff26ab3c240

 4316 13:53:04.955613  # [   37.368637] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 4317 13:53:04.965049  # [   37.396127] RSP: 002b:00007ffcc8dc6e88 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 4318 13:53:04.975147  # [   37.404909] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff26ab3c240

 4319 13:53:04.981421  # [   37.413175] RDX: 000000000000000b RSI: 00007ff26aa20000 RDI: 0000000000000001

 4320 13:53:04.994742  # [   37.421469] RBP: 000000000000000b R08: 00000000ffff<6>[   43.507387] lkdtm: Performing direct entry ACCESS_USERSPACE

 4321 13:53:05.001504  <6>[   43.518717] lkdtm: attempting bad read at 00007f237decf000

 4322 13:53:05.008198  <1>[   43.525150] BUG: unable to handle page fault for address: 00007f237decf000

 4323 13:53:05.014596  <1>[   43.533126] #PF: supervisor read access in kernel mode

 4324 13:53:05.021546  <1>[   43.539156] #PF: error_code(0x0001) - permissions violation

 4325 13:53:05.024589  ff<ff R09: 0000000000000000

 4326 13:53:05.037663  # [   37.429732] R10: 00007ff26aa5d46>[   43.545669] PGD 80000001071f5067 P4D 80000001071f5067 PUD 1032f1067 PMD 106735067 PTE 10c0e0067

 4327 13:53:05.041172  <4>[   43.561898] Oops: 0001 [#12] SMP PTI

 4328 13:53:05.050990  <4>[   43.566180] CPU: 3 PID: 1858 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4329 13:53:05.057818  <4>[   43.575121] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4330 13:53:05.064118  <4>[   43.582220] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa1

 4331 13:53:05.084088  <4>[   43.588734] Code: 00 00 00 75 62 48 83 c4 10 5b c3 cc cc cc cc 48 89 de 48 c7 c7 70 9e 2c 99 e8 db eb fb ff 48 c7 c7 98 9e 2c 99 b8 de c0 de c0 <48> 03 03 48 89 04 24 e8 c3 eb fb ff 48 89 de 48 c7 c7 c0 9e 2c 99

 4332 13:53:05.090796  <4>[   43.609999] RSP: 0018:ffffb09082717e58 EFLAGS: 00010246

 4333 13:53:05.100603  <4>[   43.616124] RAX: 00000000c0dec0de RBX: 00007f237decf000 RCX: 0000000000000000

 4334 13:53:05.107259  <4>[   43.624386] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffffffff992c9e98

 4335 13:53:05.117382  <4>[   43.632649] RBP: 0000000000000011 R08: 0000000000000000 R09: 0000000000000000

 4336 13:53:05.123707  <4>[   43.640910] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082717f10

 4337 13:53:05.133777  <4>[   43.649171] R13: ffffffff992c8f50 R14: ffff8c7a4670a000 R15: ffffb09082717f10

 4338 13:53:05.140883  <4>[   43.657433] FS:  00007f237dce8740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 4339 13:53:05.147004  <4>[   43.666762] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4340 13:53:05.156875  <4>[   43.673469] CR2: 00007f237decf000 CR3: 0000000107972005 CR4: 00000000003706e0

 4341 13:53:05.160544  <4>[   43.681728] Call Trace:

 4342 13:53:05.163434  <4>[   43.684747]  ? __die_body.cold+0x1a/0x1f

 4343 13:53:05.170243  <4>[   43.689418]  ? no_context.constprop.0+0x121/0x320

 4344 13:53:05.173475  <4>[   43.694961]  ? exc_page_fault+0x4e/0x160

 4345 13:53:05.179833  <4>[   43.699630]  ? asm_exc_page_fault+0x1e/0x30

 4346 13:53:05.186366  <4>[   43.704591]  ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa1

 4347 13:53:05.189630  <4>[   43.710424]  ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa1

 4348 13:53:05.196289  <4>[   43.716258]  direct_entry.cold+0x2c/0x38

 4349 13:53:05.199872  <4>[   43.720920]  full_proxy_write+0x53/0x80

 4350 13:53:05.202951  <4>[   43.725491]  vfs_write+0xf0/0x3c0

 4351 13:53:05.209834  <4>[   43.729478]  ksys_write+0x74/0xf0

 4352 13:53:05.213150  <4>[   43.733467]  do_syscall_64+0x30/0x40

 4353 13:53:05.219377  <4>[   43.737748]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 4354 13:53:05.222666  <4>[   43.743678] RIP: 0033:0x7f237dde3240

 4355 13:53:05.242519  <4>[   43.747949] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 4356 13:53:05.252820  <4>[   43.769222] RSP: 002b:00007ffd72741558 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 4357 13:53:05.262537  <4>[   43.777969] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f237dde3240

 4358 13:53:05.269281  <4>[   43.786230] RDX: 0000000000000011 RSI: 00007f237dcc7000 RDI: 0000000000000001

 4359 13:53:05.278919  <4>[   43.794488] RBP: 0000000000000011 R08: 00000000ffffffff R09: 0000000000000000

 4360 13:53:05.285678  <4>[   43.802749] R10: 00007f237dd044d0 R11: 0000000000000202 R12: 00007f237dcc7000

 4361 13:53:05.295492  <4>[   43.811009] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 4362 13:53:05.299103  d0 R11: 0000000000000202 R12: 00007ff26aa20000

 4363 13:53:05.381438  # [   37.437995]<4>[   43.819271] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 4364 13:53:05.388262  <4>[   43.907888] CR2: 00007f237decf000

 4365 13:53:05.391296  <4>[   43.911877] ---[ end trace 242e5a7a3af61dd2 ]---

 4366 13:53:05.397884  <4>[   43.917314] RIP: 0010:lkdtm_BUG+0x5/0x10

 4367 13:53:05.417811  <4>[   43.921974] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 4368 13:53:05.424321  <4>[   43.943238] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 4369 13:53:05.431118  <4>[   43.949362] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 4370 13:53:05.441266  <4>[   43.957625] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 4371 13:53:05.447447  <4>[   43.965886] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 4372 13:53:05.457558  <4>[   43.974147] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 4373 13:53:05.464264  <4>[   43.982407] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 4374 13:53:05.473881  <4>[   43.990680] FS:  00007f237dce8740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 4375 13:53:05.480808  <4>[   44.000010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4376 13:53:05.490419  <4>[   44.006717] CR2: 00007f237decf000 CR3: 0000000107972005 CR4: 00000000003706e0

 4377 13:53:05.496997   R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 4378 13:53:05.500432  # [   37.446279] irq event stamp: 0

 4379 13:53:05.507040  # [   37.449988] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4380 13:53:05.517054  # [   37.463488] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 4381 13:53:05.526868  # [   37.472915] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 4382 13:53:05.533606  # [   37.482343] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4383 13:53:05.540073  # [   37.489635] ---[ end trace 242e5a7a3af61dca ]---

 4384 13:53:05.543447  # [   37.495081] lkdtm: ok: SMEP did not get cleared

 4385 13:53:05.550143  # [   37.500430] lkdtm: trying to clear SMEP with call gadget

 4386 13:53:05.556646  # [   37.506673] lkdtm: ok: SMEP removal was reverted

 4387 13:53:05.560026  # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok

 4388 13:53:05.563214  ok 14 selftests: lkdtm: UNSET_SMEP.sh

 4389 13:53:05.566657  # selftests: lkdtm: DOUBLE_FAULT.sh

 4390 13:53:05.573447  # [   37.603776] lkdtm: Performing direct entry DOUBLE_FAULT

 4391 13:53:05.579734  # [   37.611537] lkdtm: XFAIL: this test is ia32-only

 4392 13:53:05.583048  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]

 4393 13:53:05.586747  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP

 4394 13:53:05.589682  # selftests: lkdtm: CORRUPT_PAC.sh

 4395 13:53:05.596348  # [   37.740672] lkdtm: Performing direct entry CORRUPT_PAC

 4396 13:53:05.602747  # [   37.747408] lkdtm: XFAIL: this test is arm64-only

 4397 13:53:05.606192  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 4398 13:53:05.613042  ok 16 selftests: lkdtm: COR<6>[   44.128043] lkdtm: Performing direct entry ACCESS_NULL

 4399 13:53:05.619314  <6>[   44.139142] lkdtm: attempting bad read at 0000000000000000

 4400 13:53:05.629210  <1>[   44.145616] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4401 13:53:05.629312  RUPT_PAC.sh # SKIP

 4402 13:53:05.639399  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRI<1>[   44.153693] #PF: supervisor read access in kernel mode

 4403 13:53:05.646032  <1>[   44.165936] #PF: error_code(0x0000) - not-present page

 4404 13:53:05.649087  <6>[   44.171966] PGD 0 P4D 0 

 4405 13:53:05.649229  TE.sh

 4406 13:53:05.659257  # [   37.842214] lkdtm: Performing direct entry UNALIGNED<4>[   44.175085] Oops: 0000 [#13] SMP PTI

 4407 13:53:05.669148  <4>[   44.185579] CPU: 3 PID: 1894 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4408 13:53:05.675616  <4>[   44.194521] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4409 13:53:05.682441  <4>[   44.201627] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 4410 13:53:05.701964  <4>[   44.207161] Code: 81 eb fb ff be 00 10 00 00 48 89 df e8 db 73 0c ff e9 6b ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 70 9e 2c 99 e8 5b eb fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 98 9e 2c 99 48 01

 4411 13:53:05.708703  <4>[   44.228439] RSP: 0018:ffffb09082787e68 EFLAGS: 00010246

 4412 13:53:05.718508  <4>[   44.234564] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 4413 13:53:05.725586  <4>[   44.242826] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50

 4414 13:53:05.735535  <4>[   44.251089] RBP: 000000000000000c R08: 0000000000000000 R09: 0000000000000000

 4415 13:53:05.742237  <4>[   44.259349] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082787f10

 4416 13:53:05.751672  <4>[   44.267624] R13: ffffffff992c8f61 R14: ffff8c7a43ede000 R15: ffffb09082787f10

 4417 13:53:05.761644  <4>[   44.275887] FS:  00007fc1f7806740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 4418 13:53:05.768122  <4>[   44.285216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4419 13:53:05.774816  <4>[   44.291925] CR2: 0000000000000000 CR3: 00000001061fe001 CR4: 00000000003706e0

 4420 13:53:05.778312  <4>[   44.300188] Call Trace:

 4421 13:53:05.781326  <4>[   44.303207]  ? __die_body.cold+0x1a/0x1f

 4422 13:53:05.787874  <4>[   44.307877]  ? no_context.constprop.0+0x121/0x320

 4423 13:53:05.794743  <4>[   44.313423]  ? exc_page_fault+0x4e/0x160

 4424 13:53:05.797836  <4>[   44.318094]  ? asm_exc_page_fault+0x1e/0x30

 4425 13:53:05.801354  <4>[   44.323058]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4426 13:53:05.807988  <4>[   44.327919]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4427 13:53:05.811416  <4>[   44.332783]  direct_entry.cold+0x2c/0x38

 4428 13:53:05.817892  <4>[   44.337455]  full_proxy_write+0x53/0x80

 4429 13:53:05.821336  <4>[   44.342028]  vfs_write+0xf0/0x3c0

 4430 13:53:05.824498  <4>[   44.346007]  ksys_write+0x74/0xf0

 4431 13:53:05.827752  <4>[   44.349997]  do_syscall_64+0x30/0x40

 4432 13:53:05.834463  <4>[   44.354276]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 4433 13:53:05.840944  <4>[   44.360200] RIP: 0033:0x7fc1f7901240

 4434 13:53:05.861535  <4>[   44.364471] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 4435 13:53:05.871181  <4>[   44.385750] RSP: 002b:00007ffc48fe7808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 4436 13:53:05.877724  <4>[   44.394488] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc1f7901240

 4437 13:53:05.887710  <4>[   44.402749] RDX: 000000000000000c RSI: 00007fc1f77e5000 RDI: 0000000000000001

 4438 13:53:05.894205  <4>[   44.411011] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000

 4439 13:53:05.904028  <4>[   44.419272] R10: 00007fc1f78224d0 R11: 0000000000000202 R12: 00007fc1f77e5000

 4440 13:53:05.910630  <4>[   44.427533] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 4441 13:53:05.913804  _LOAD_STORE_WRITE

 4442 13:53:05.999707  # [   37.853688] lkdtm: XFAIL: arch has CONFI<4>[   44.435797] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 4443 13:53:06.002790  <4>[   44.524422] CR2: 0000000000000000

 4444 13:53:06.009474  <4>[   44.528412] ---[ end trace 242e5a7a3af61dd3 ]---

 4445 13:53:06.012698  <4>[   44.533849] RIP: 0010:lkdtm_BUG+0x5/0x10

 4446 13:53:06.035936  <4>[   44.538519] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 4447 13:53:06.042749  <4>[   44.559795] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 4448 13:53:06.049119  <4>[   44.565919] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 4449 13:53:06.059087  <4>[   44.574180] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 4450 13:53:06.065871  <4>[   44.582440] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 4451 13:53:06.075301  <4>[   44.590700] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 4452 13:53:06.082237  <4>[   44.598962] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 4453 13:53:06.091776  <4>[   44.607222] FS:  00007fc1f7806740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 4454 13:53:06.098604  <4>[   44.616551] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4455 13:53:06.105080  <4>[   44.623257] CR2: 0000000000000000 CR3: 00000001061fe001 CR4: 00000000003706e0

 4456 13:53:06.118260  <3>[   44.631520] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4457 13:53:06.124826  <3>[   44.641723] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1894, name: cat

 4458 13:53:06.131548  <4>[   44.650469] INFO: lockdep is turned off.

 4459 13:53:06.134794  <4>[   44.655135] irq event stamp: 0

 4460 13:53:06.141309  <4>[   44.658831] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4461 13:53:06.151361  <4>[   44.666123] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 4462 13:53:06.161339  <4>[   44.675551] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 4463 13:53:06.167823  <4>[   44.684980] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4464 13:53:06.177439  <4>[   44.692263] CPU: 3 PID: 1894 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4465 13:53:06.184224  <4>[   44.701204] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4466 13:53:06.187593  <4>[   44.708300] Call Trace:

 4467 13:53:06.191205  <4>[   44.711318]  dump_stack+0x77/0x9b

 4468 13:53:06.194334  <4>[   44.715300]  ___might_sleep.cold+0xa6/0xb7

 4469 13:53:06.200928  <4>[   44.720166]  exit_signals+0x1c/0x300

 4470 13:53:06.203997  <4>[   44.724445]  do_exit+0xbd/0xaa0

 4471 13:53:06.207587  <4>[   44.728241]  ? ksys_write+0x74/0xf0

 4472 13:53:06.210628  <4>[   44.732426]  make_task_dead+0x2e/0x30

 4473 13:53:06.217240  <4>[   44.736803]  rewind_stack_and_make_dead+0x17/0x20

 4474 13:53:06.220876  <4>[   44.742345] RIP: 0033:0x7fc1f7901240

 4475 13:53:06.243488  <4>[   44.746626] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 4476 13:53:06.250536  <4>[   44.767903] RSP: 002b:00007ffc48fe7808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 4477 13:53:06.260377  <4>[   44.776651] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc1f7901240

 4478 13:53:06.267057  <4>[   44.784913] RDX: 000000000000000c RSI: 00007fc1f77e5000 RDI: 0000000000000001

 4479 13:53:06.276820  <4>[   44.793175] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000

 4480 13:53:06.283270  <4>[   44.801437] R10: 00007fc1f78224d0 R11: 0000000000000202 R12: 00007fc1f77e5000

 4481 13:53:06.293392  <4>[   44.809699] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 4482 13:53:06.296723  G_HAVE_EFFICIENT_UNALIGNED_ACCESS

 4483 13:53:06.299925  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 4484 13:53:06.306504  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 4485 13:53:06.313147  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 4486 13:53:06.316321  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 4487 13:53:06.323036  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 4488 13:53:06.326604  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 4489 13:53:06.332844  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 4490 13:53:06.336201  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 4491 13:53:06.342916  # selftests: lkdtm: READ_AFTER_FREE.sh

 4492 13:53:06.350125  # [   38.017312] lkdtm: Performing direct entry READ_AFTER_FREE

 4493 13:53:06.352778  # [   38.029688] lkdtm: Value in memory before free: 12345678

 4494 13:53:06.359389  # [   38.042142] lkdtm: Attempting bad read from freed memory

 4495 13:53:06.366150  # [   38.054561] lkdtm: Memory was not poisoned

 4496 13:53:06.369049  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 4497 13:53:06.376145  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 4498 13:53:06.379154  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh

 4499 13:53:06.385756  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure

 4500 13:53:06.392393  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP

 4501 13:53:06.395762  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 4502 13:53:06.402515  # [   38.184415] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 4503 13:53:06.409703  # [   38.196933] lkdtm: Value in memory before free: 12345678

 4504 13:53:06.415902  # [   38.203189] lkdtm: Attempting to read from freed memory

 4505 13:53:06.418932  # [   38.209348] lkdtm: Buddy page was not poisoned

 4506 13:53:06.428823  # READ_BUDDY_AFTER_FREE: missing '<6>[   44.942814] lkdtm: Performing direct entry WRITE_RO

 4507 13:53:06.435436  <6>[   44.954259] lkdtm: attempting bad rodata write at ffffffff98e41070

 4508 13:53:06.445802  <1>[   44.961483] BUG: unable to handle page fault for address: ffffffff98e41070

 4509 13:53:06.445973  call trace:': [FAIL]

 4510 13:53:06.458164  not ok 22 selftests: lkdtm: READ_BUDDY_AFT<1>[   44.969463] #PF: supervisor write access in kernel mode

 4511 13:53:06.461759  <1>[   44.981800] #PF: error_code(0x0003) - permissions violation

 4512 13:53:06.471896  <6>[   44.988314] PGD b429067 P4D b429067 PUD b42a063 PMD 800000000ae000e1 

 4513 13:53:06.471994  ER_FREE.sh # exit=1

 4514 13:53:06.478009  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 4515 13:53:06.481367  # <4>[   44.995803] Oops: 0003 [#14] SMP PTI

 4516 13:53:06.491421  <4>[   45.006295] CPU: 3 PID: 1930 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4517 13:53:06.498388  [   38.295699] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 4518 13:53:06.504573  <4>[   45.015239] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4519 13:53:06.507904  # <[   38.308165] lkdtm: Attempting double slab free ...

 4520 13:53:06.514755  # SLAB_4>[   45.028550] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 4521 13:53:06.537497  <4>[   45.040019] Code: 00 48 c7 c7 50 9d 2c 99 48 c7 c6 70 10 e4 98 e8 0e ee fb ff 48 8b 05 0e af 7f 01 ba 34 12 cd ab 48 c7 c7 80 9d 2c 99 48 31 d0 <48> 89 05 f8 ae 7f 01 e9 ec ed fb ff 0f 1f 44 00 00 48 8b 05 c7 a1

 4522 13:53:06.540786  <4>[   45.061294] RSP: 0018:ffffb0908281fe70 EFLAGS: 00010202

 4523 13:53:06.550943  <4>[   45.067419] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 4524 13:53:06.557572  <4>[   45.075680] RDX: 00000000abcd1234 RSI: ffff8c7abad9bf50 RDI: ffffffff992c9d80

 4525 13:53:06.567606  <4>[   45.083941] RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000

 4526 13:53:06.573877  <4>[   45.092203] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908281ff10

 4527 13:53:06.583882  <4>[   45.100463] R13: ffffffff992c8f6d R14: ffff8c7a40edd000 R15: ffffb0908281ff10

 4528 13:53:06.594490  <4>[   45.108725] FS:  00007ff1a7b41740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 4529 13:53:06.600632  <4>[   45.118055] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4530 13:53:06.607158  <4>[   45.124761] CR2: ffffffff98e41070 CR3: 00000001065a6002 CR4: 00000000003706e0

 4531 13:53:06.610344  <4>[   45.133023] Call Trace:

 4532 13:53:06.617058  <4>[   45.136044]  ? __die_body.cold+0x1a/0x1f

 4533 13:53:06.620311  <4>[   45.140713]  ? no_context.constprop.0+0x121/0x320

 4534 13:53:06.626927  <4>[   45.146250]  ? exc_page_fault+0xcd/0x160

 4535 13:53:06.630553  <4>[   45.150920]  ? asm_exc_page_fault+0x1e/0x30

 4536 13:53:06.636767  <4>[   45.155883]  ? lkdtm_WRITE_RO+0x2e/0x3a

 4537 13:53:06.640064  <4>[   45.160455]  direct_entry.cold+0x2c/0x38

 4538 13:53:06.644082  <4>[   45.165116]  full_proxy_write+0x53/0x80

 4539 13:53:06.650161  <4>[   45.169688]  vfs_write+0xf0/0x3c0

 4540 13:53:06.653367  <4>[   45.173680]  ksys_write+0x74/0xf0

 4541 13:53:06.656894  <4>[   45.177685]  do_syscall_64+0x30/0x40

 4542 13:53:06.663376  <4>[   45.181966]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 4543 13:53:06.666549  <4>[   45.187897] RIP: 0033:0x7ff1a7c3c240

 4544 13:53:06.689878  <4>[   45.192176] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 4545 13:53:06.696351  <4>[   45.213452] RSP: 002b:00007ffd8bfcf9e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 4546 13:53:06.706411  <4>[   45.222202] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007ff1a7c3c240

 4547 13:53:06.712943  <4>[   45.230463] RDX: 0000000000000009 RSI: 00007ff1a7b20000 RDI: 0000000000000001

 4548 13:53:06.722735  <4>[   45.238724] RBP: 0000000000000009 R08: 00000000ffffffff R09: 0000000000000000

 4549 13:53:06.729437  <4>[   45.246986] R10: 00007ff1a7b5d4d0 R11: 0000000000000202 R12: 00007ff1a7b20000

 4550 13:53:06.739434  <4>[   45.255249] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 4551 13:53:06.742473  FREE_DOUBLE: missing 'call trace:': [FAIL]

 4552 13:53:06.828503  not ok 23 selftests:<4>[   45.263513] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 4553 13:53:06.831625  <4>[   45.352138] CR2: ffffffff98e41070

 4554 13:53:06.838274  <4>[   45.356127] ---[ end trace 242e5a7a3af61dd4 ]---

 4555 13:53:06.841815  <4>[   45.361573] RIP: 0010:lkdtm_BUG+0x5/0x10

 4556 13:53:06.861472  <4>[   45.366233] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 4557 13:53:06.868256  <4>[   45.387511] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 4558 13:53:06.877833  <4>[   45.393636] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 4559 13:53:06.884778  <4>[   45.401897] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 4560 13:53:06.894853  <4>[   45.410160] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 4561 13:53:06.901233  <4>[   45.418420] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 4562 13:53:06.911259  <4>[   45.426681] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 4563 13:53:06.920881  <4>[   45.434945] FS:  00007ff1a7b41740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 4564 13:53:06.927656  <4>[   45.444276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4565 13:53:06.934118  <4>[   45.450983] CR2: ffffffff98e41070 CR3: 00000001065a6002 CR4: 00000000003706e0

 4566 13:53:06.937352   lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 4567 13:53:06.940741  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 4568 13:53:06.947252  # [   38.406790] lkdtm: Performing direct entry SLAB_FREE_CROSS

 4569 13:53:06.953906  # [   38.413456] lkdtm: Attempting cross-cache slab free ...

 4570 13:53:06.960907  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 4571 13:53:06.963882  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 4572 13:53:06.967515  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 4573 13:53:06.973952  # [   38.534540] lkdtm: Performing direct entry SLAB_FREE_PAGE

 4574 13:53:06.980315  # [   38.543984] lkdtm: Attempting non-Slab slab free ...

 4575 13:53:06.987134  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 4576 13:53:06.990582  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 4577 13:53:06.993600  # selftests: lkdtm: SOFTLOCKUP.sh

 4578 13:53:06.997079  # Skipping SOFTLOCKUP: Hangs the system

 4579 13:53:07.003726  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 4580 13:53:07.006979  # selftests: lkdtm: HARDLOCKUP.sh

 4581 13:53:07.010451  # Skipping HARDLOCKUP: Hangs the system

 4582 13:53:07.013699  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP

 4583 13:53:07.016713  # selftests: lkdtm: SPINLOCKUP.sh

 4584 13:53:07.023402  # Skipping SPINLOCKUP: Hangs the system

 4585 13:53:07.026602  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP

 4586 13:53:07.030045  # selftests: lkdtm: HUNG_TASK.sh

 4587 13:53:07.033192  # Skipping HUNG_TASK: Hangs the system

 4588 13:53:07.036682  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP

 4589 13:53:07.039747  # selftests: lkdtm: EXEC_DATA.sh

 4590 13:53:07.043597  # Killed

 4591 13:53:07.046270  # [   38.747215] lkdtm: Performing direct entry EXEC_DATA

 4592 13:53:07.056243  # [   38.754623] lkdtm: attempting ok execution at ffffffff96f954c0

 4593 13:53:07.062840  # [   38.767698] lkdtm: attempting bad execution at ffffffff9ac02e80

 4594 13:53:07.069349  # [   38.780787] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4595 13:53:07.079431  # [   38.795623] BUG: unable to handle page fault for address: ffffffff9ac02e80

 4596 13:53:07.086551  # [   38.803592] #PF: supervisor instruction fetch in kernel mode

 4597 13:53:07.089354  # [   38.810190] #PF: error_code(0x0011) - permissions violation

 4598 13:53:07.102564  # [   38.816702] PGD b429067 P4D b429067 PUD b42a063 PMD<6>[   45.619730] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 4599 13:53:07.112439  <6>[   45.627801] lkdtm: attempting bad ro_after_init write at ffffffff99350350

 4600 13:53:07.113070   800000000cc000e3 

 4601 13:53:07.115995  # [   38.824194] Oops: 0011 [#5] SMP PTI

 4602 13:53:07.125804  # <1>[   45.635736] BUG: unable to handle page fault for address: ffffffff99350350

 4603 13:53:07.139866  [ <  38.828366] CPU: 0 PID: 1599 Comm: cat Tainted: G      D W   1>[   45.649902] #PF: supervisor write access in kernel mode

 4604 13:53:07.145480  <1>[   45.662235] #PF: error_code(0x0003) - permissions violation

 4605 13:53:07.145876     <   5.10.222-cip50 #1

 4606 13:53:07.158721  # [   38.837304] Hardware name: Google 6>[   45.668739] PGD b429067 P4D b429067 PUD b42a063 PMD 1061db063 PTE 800000000b350061

 4607 13:53:07.162063  <4>[   45.683708] Oops: 0003 [#15] SMP PTI

 4608 13:53:07.171804  <4>[   45.687989] CPU: 2 PID: 1966 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4609 13:53:07.178488  <4>[   45.696920] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4610 13:53:07.185198  <4>[   45.704018] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 4611 13:53:07.208372  <4>[   45.710336] Code: 9d 2c 99 e9 c0 ed fb ff 48 c7 c7 d8 9d 2c 99 e8 b4 ed fb ff 48 8b 05 94 a1 d0 01 ba 34 12 cd ab 48 c7 c7 80 9d 2c 99 48 31 d0 <48> 89 05 7e a1 d0 01 e9 92 ed fb ff 0f 1f 44 00 00 55 48 c7 c5 db

 4612 13:53:07.211412  <4>[   45.731623] RSP: 0018:ffffb090828afe70 EFLAGS: 00010202

 4613 13:53:07.221479  <4>[   45.737748] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 4614 13:53:07.228105  <4>[   45.746008] RDX: 00000000abcd1234 RSI: ffff8c7abad1bf50 RDI: ffffffff992c9d80

 4615 13:53:07.237891  <4>[   45.754269] RBP: 0000000000000014 R08: 0000000000000000 R09: 0000000000000000

 4616 13:53:07.244585  <4>[   45.762529] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090828aff10

 4617 13:53:07.254869  <4>[   45.770791] R13: ffffffff992c8f76 R14: ffff8c7a47aa5000 R15: ffffb090828aff10

 4618 13:53:07.264477  <4>[   45.779053] FS:  00007f5703174740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 4619 13:53:07.271260  <4>[   45.788380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4620 13:53:07.277714  <4>[   45.795086] CR2: ffffffff99350350 CR3: 00000001063fc006 CR4: 00000000003706e0

 4621 13:53:07.281184  <4>[   45.803347] Call Trace:

 4622 13:53:07.287613  <4>[   45.806365]  ? __die_body.cold+0x1a/0x1f

 4623 13:53:07.290877  <4>[   45.811035]  ? no_context.constprop.0+0x121/0x320

 4624 13:53:07.297719  <4>[   45.816580]  ? exc_page_fault+0xcd/0x160

 4625 13:53:07.300695  <4>[   45.821249]  ? asm_exc_page_fault+0x1e/0x30

 4626 13:53:07.307418  <4>[   45.826211]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 4627 13:53:07.310911  <4>[   45.831853]  direct_entry.cold+0x2c/0x38

 4628 13:53:07.317234  <4>[   45.836523]  full_proxy_write+0x53/0x80

 4629 13:53:07.320410  <4>[   45.841096]  vfs_write+0xf0/0x3c0

 4630 13:53:07.323763  <4>[   45.845084]  ksys_write+0x74/0xf0

 4631 13:53:07.327480  <4>[   45.849073]  do_syscall_64+0x30/0x40

 4632 13:53:07.334008  <4>[   45.853352]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 4633 13:53:07.340498  <4>[   45.859282] RIP: 0033:0x7f570326f240

 4634 13:53:07.360157  <4>[   45.863561] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 4635 13:53:07.370358  <4>[   45.884833] RSP: 002b:00007ffd9c5e2a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 4636 13:53:07.376576  <4>[   45.893571] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f570326f240

 4637 13:53:07.386901  <4>[   45.901831] RDX: 0000000000000014 RSI: 00007f5703153000 RDI: 0000000000000001

 4638 13:53:07.393068  <4>[   45.910089] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000

 4639 13:53:07.403437  <4>[   45.918348] R10: 00007f57031904d0 R11: 0000000000000202 R12: 00007f5703153000

 4640 13:53:07.409675  <4>[   45.926622] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 4641 13:53:07.413233  Rammus/Rammus, BIOS  09/04/2020

 4642 13:53:07.499215  # [   38.844400] RIP: 0010:data<4>[   45.934887] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 4643 13:53:07.502323  <4>[   46.023489] CR2: ffffffff99350350

 4644 13:53:07.508891  <4>[   46.027478] ---[ end trace 242e5a7a3af61dd5 ]---

 4645 13:53:07.512470  <4>[   46.032923] RIP: 0010:lkdtm_BUG+0x5/0x10

 4646 13:53:07.535301  <4>[   46.037590] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 4647 13:53:07.542255  <4>[   46.058866] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 4648 13:53:07.548689  <4>[   46.064982] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 4649 13:53:07.558438  <4>[   46.073243] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 4650 13:53:07.565049  <4>[   46.081496] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 4651 13:53:07.575107  <4>[   46.089756] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 4652 13:53:07.581420  <4>[   46.098017] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 4653 13:53:07.591353  <4>[   46.106279] FS:  00007f5703174740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 4654 13:53:07.598341  <4>[   46.115626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4655 13:53:07.604853  <4>[   46.122324] CR2: ffffffff99350350 CR3: 00000001063fc006 CR4: 00000000003706e0

 4656 13:53:07.614935  <3>[   46.130585] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4657 13:53:07.624479  <3>[   46.140789] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1966, name: cat

 4658 13:53:07.631411  <4>[   46.149536] INFO: lockdep is turned off.

 4659 13:53:07.634426  <4>[   46.154203] irq event stamp: 0

 4660 13:53:07.641060  <4>[   46.157899] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4661 13:53:07.651054  <4>[   46.165189] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 4662 13:53:07.661214  <4>[   46.174624] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 4663 13:53:07.667375  <4>[   46.184051] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4664 13:53:07.674369  <4>[   46.191341] CPU: 2 PID: 1966 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4665 13:53:07.683914  <4>[   46.200280] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4666 13:53:07.687781  <4>[   46.207375] Call Trace:

 4667 13:53:07.690841  <4>[   46.210393]  dump_stack+0x77/0x9b

 4668 13:53:07.694160  <4>[   46.214383]  ___might_sleep.cold+0xa6/0xb7

 4669 13:53:07.700691  <4>[   46.219247]  exit_signals+0x1c/0x300

 4670 13:53:07.703815  <4>[   46.223527]  do_exit+0xbd/0xaa0

 4671 13:53:07.706960  <4>[   46.227322]  ? ksys_write+0x74/0xf0

 4672 13:53:07.710729  <4>[   46.231507]  make_task_dead+0x2e/0x30

 4673 13:53:07.717291  <4>[   46.235883]  rewind_stack_and_make_dead+0x17/0x20

 4674 13:53:07.720354  <4>[   46.241425] RIP: 0033:0x7f570326f240

 4675 13:53:07.743359  <4>[   46.245705] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 4676 13:53:07.749899  <4>[   46.266979] RSP: 002b:00007ffd9c5e2a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 4677 13:53:07.759831  <4>[   46.275727] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f570326f240

 4678 13:53:07.766627  <4>[   46.283986] RDX: 0000000000000014 RSI: 00007f5703153000 RDI: 0000000000000001

 4679 13:53:07.776526  <4>[   46.292245] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000

 4680 13:53:07.783155  <4>[   46.300507] R10: 00007f57031904d0 R11: 0000000000000202 R12: 00007f5703153000

 4681 13:53:07.792987  <4>[   46.308767] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 4682 13:53:07.793481  _area+0x0/0x40

 4683 13:53:07.815639  # [   38.849072] Code: ff ff 00 d4 22 45 7a 8c ff ff 00 d3 22 45 7a 8c 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 53

 4684 13:53:07.822546  # [   38.870333] RSP: 0018:ffffb09082357e58 EFLAGS: 00010246

 4685 13:53:07.828948  # [   38.876455] RAX: 0000000000000033 RBX: ffffffff9ac02e80 RCX: 0000000000000000

 4686 13:53:07.835787  # [   38.884712] RDX: 0000000000000000 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50

 4687 13:53:07.845358  # [   38.892969] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000

 4688 13:53:07.852152  # [   38.901228] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082357f10

 4689 13:53:07.862127  # [   38.909486] R13: ffffffff992c8efc R14: ffff8c7a486d1000 R15: ffffb09082357f10

 4690 13:53:07.872242  # [   38.917744] FS:  00007f1a574ed740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 4691 13:53:07.878660  # [   38.927072] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4692 13:53:07.884954  # [   38.933777] CR2: ffffffff9ac02e80 CR3: 0000000103d7e004 CR4: 00000000003706f0

 4693 13:53:07.888354  # [   38.942035] Call Trace:

 4694 13:53:07.891649  # [   38.945054]  ? __die_body.cold+0x1a/0x1f

 4695 13:53:07.898496  # [   38.949729]  ? no_context.constprop.0+0x121/0x320

 4696 13:53:07.901784  # [   38.955279]  ? exc_page_fault+0xcd/0x160

 4697 13:53:07.908064  # [   38.959945]  ? asm_exc_page_fault+0x1e/0x30

 4698 13:53:07.911665  # [   38.964907]  ? execute_location+0x46/0x57

 4699 13:53:07.918029  # [   38.969679]  ? direct_entry.cold+0x2c/0x38

 4700 13:53:07.921335  # [   38.974544]  ? full_proxy_write+0x53/0x80

 4701 13:53:07.924794  # [   38.979309]  ? vfs_write+0xf0/0x3c0

 4702 13:53:07.931831  # [   38.983483]  ? ksys_write+0x74/0xf0

 4703 13:53:07.934986  # [   38.987674]  ? do_syscall_64+0x30/0x40

 4704 13:53:07.941284  # [   38.992147]  ? entry_SYSCALL_64_after_hwframe+0x67/0xd1

 4705 13:53:07.990653  # [   38.998275] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device in<6>[   46.504814] lkdtm: Performing direct entry WRITE_KERN

 4706 13:53:08.007159  tel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm s<6>[   46.515703] lkdtm: attempting bad 7015451 byte write at ffffffff976460db

 4707 13:53:08.017244  nd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videob<1>[   46.529706] BUG: unable to handle page fault for address: ffffffff976460db

 4708 13:53:08.024101  <1>[   46.543886] #PF: supervisor write access in kernel mode

 4709 13:53:08.030717  <1>[   46.550013] #PF: error_code(0x0003) - permissions violation

 4710 13:53:08.037279  <6>[   46.556527] PGD b429067 P4D b429067 PUD b42a063 PMD 96000e1 

 4711 13:53:08.047287  uf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dm<4>[   46.563141] Oops: 0003 [#16] SMP PTI

 4712 13:53:08.057099  <4>[   46.573635] CPU: 1 PID: 2002 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4713 13:53:08.070345  aengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_ther<4>[   46.582578] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4714 13:53:08.076667  <4>[   46.595894] RIP: 0010:lkdtm_WRITE_KERN+0x37/0x4c

 4715 13:53:08.103199  mal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinc<4>[   46.601341] Code: 48 c7 c7 10 9e 2c 99 53 48 89 eb 48 89 ea 48 81 eb c0 54 f9 96 48 89 de e8 68 ed fb ff 48 89 ef 48 89 d9 48 c7 c6 c0 54 f9 96 <f3> a4 48 c7 c7 80 9d 2c 99 e8 4d ed fb ff 5b 5d e9 b8 fe ff ff 0f

 4716 13:53:08.109918  <4>[   46.628833] RSP: 0018:ffffb0908295fe60 EFLAGS: 00010246

 4717 13:53:08.119964  <4>[   46.634956] RAX: 000000000000003c RBX: 00000000006b0c1b RCX: 00000000006b0c1b

 4718 13:53:08.126480  <4>[   46.643217] RDX: 0000000000000000 RSI: ffffffff96f954c0 RDI: ffffffff976460db

 4719 13:53:08.136374  <4>[   46.651477] RBP: ffffffff976460db R08: 0000000000000000 R09: 0000000000000000

 4720 13:53:08.143422  <4>[   46.659737] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908295ff10

 4721 13:53:08.153229  <4>[   46.667999] R13: ffffffff992c8f8a R14: ffff8c7a48616000 R15: ffffb0908295ff10

 4722 13:53:08.160176  <4>[   46.676260] FS:  00007f65ffb1b740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 4723 13:53:08.166424  <4>[   46.685590] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4724 13:53:08.176524  <4>[   46.692297] CR2: ffffffff976460db CR3: 0000000106180004 CR4: 00000000003706e0

 4725 13:53:08.180105  <4>[   46.700558] Call Trace:

 4726 13:53:08.182846  <4>[   46.703579]  ? __die_body.cold+0x1a/0x1f

 4727 13:53:08.195958  trl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot<4>[   46.708250]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4728 13:53:08.199448  <4>[   46.720201]  ? no_context.constprop.0+0x121/0x320

 4729 13:53:08.202589  _table

 4730 13:53:08.206458  # [   39.080674] CR2: ffffffff9ac02e80

 4731 13:53:08.212489  # [   39.084682]<4>[   46.725745]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4732 13:53:08.219475  <4>[   46.737692]  ? exc_page_fault+0xcd/0x160

 4733 13:53:08.222646  <4>[   46.742354]  ? asm_exc_page_fault+0x1e/0x30

 4734 13:53:08.225698   ---[ end trace 242e5a7a3af61dcb ]---

 4735 13:53:08.235991  # [   39.090128] RIP: 001<4>[   46.747316]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4736 13:53:08.239511  <4>[   46.759267]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 4737 13:53:08.242669  0:lkdtm_BUG+0x5/0x10

 4738 13:53:08.252405  # [   39.094796] Code: ff ff ff eb e0 48 c<4>[   46.764423]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4739 13:53:08.255642  <4>[   46.776375]  ? lkdtm_WRITE_KERN+0x37/0x4c

 4740 13:53:08.262474  <4>[   46.781134]  direct_entry.cold+0x2c/0x38

 4741 13:53:08.265619  <4>[   46.785806]  full_proxy_write+0x53/0x80

 4742 13:53:08.275753  7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc<4>[   46.790380]  vfs_write+0xf0/0x3c0

 4743 13:53:08.278610  <4>[   46.800580]  ksys_write+0x74/0xf0

 4744 13:53:08.285575  <4>[   46.804569]  do_syscall_64+0x30/0x40

 4745 13:53:08.289041  <4>[   46.808851]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 4746 13:53:08.295616  <4>[   46.814784] RIP: 0033:0x7f65ffc16240

 4747 13:53:08.315113  <4>[   46.819055] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 4748 13:53:08.325341  <4>[   46.840334] RSP: 002b:00007ffef04d4268 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 4749 13:53:08.331703  <4>[   46.849082] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f65ffc16240

 4750 13:53:08.341605  <4>[   46.857345] RDX: 000000000000000b RSI: 00007f65ffafa000 RDI: 0000000000000001

 4751 13:53:08.348149  <4>[   46.865617] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000

 4752 13:53:08.358184  <4>[   46.873884] R10: 00007f65ffb374d0 R11: 0000000000000202 R12: 00007f65ffafa000

 4753 13:53:08.364655  <4>[   46.882146] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 4754 13:53:08.454136   cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 0<4>[   46.890403] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 4755 13:53:08.457395  <4>[   46.979005] CR2: ffffffff976460db

 4756 13:53:08.463887  <4>[   46.982995] ---[ end trace 242e5a7a3af61dd6 ]---

 4757 13:53:08.467181  <4>[   46.988434] RIP: 0010:lkdtm_BUG+0x5/0x10

 4758 13:53:08.490540  <4>[   46.993104] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 4759 13:53:08.496918  <4>[   47.014382] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 4760 13:53:08.503458  <4>[   47.020500] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 4761 13:53:08.513608  <4>[   47.028764] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 4762 13:53:08.520382  <4>[   47.037018] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 4763 13:53:08.530436  <4>[   47.045281] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 4764 13:53:08.536497  <4>[   47.053543] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 4765 13:53:08.546366  <4>[   47.061806] FS:  00007f65ffb1b740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 4766 13:53:08.553063  <4>[   47.071128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4767 13:53:08.562949  <4>[   47.077835] CR2: ffffffff976460db CR3: 0000000106180004 CR4: 00000000003706e0

 4768 13:53:08.566276  0 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 4769 13:53:08.573239  # [   39.116058] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 4770 13:53:08.579790  # [   39.122180] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 4771 13:53:08.589955  # [   39.130439] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 4772 13:53:08.596591  # [   39.138697] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 4773 13:53:08.606654  # [   39.146955] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 4774 13:53:08.612466  # [   39.155212] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 4775 13:53:08.622805  # [   39.163470] FS:  00007f1a574ed740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 4776 13:53:08.629403  # [   39.172796] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4777 13:53:08.635632  # [   39.179501] CR2: ffffffff9ac02e80 CR3: 0000000103d7e004 CR4: 00000000003706f0

 4778 13:53:08.645418  # [   39.187760] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4779 13:53:08.655362  # [   39.197960] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1599, name: cat

 4780 13:53:08.658684  # [   39.206702] INFO: lockdep is turned off.

 4781 13:53:08.665778  # [   39.211368] irq event stamp: 0

 4782 13:53:08.671880  # [   39.215064] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4783 13:53:08.681759  # [   39.222353] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 4784 13:53:08.688605  # [   39.231768] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 4785 13:53:08.698332  # [   39.241193] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4786 13:53:08.704643  # [   39.248472] CPU: 0 PID: 1599 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4787 13:53:08.718228  # [   39.257401] Hardware name: Google Rammus/Rammu<6>[   47.231433] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 4788 13:53:08.725068  <6>[   47.242277] lkdtm: attempting good refcount_inc() without overflow

 4789 13:53:08.728010  s, BIOS  09/04/2020

 4790 13:53:08.728112  # [   39.264494] Call Trace:

 4791 13:53:08.737971  # [   39.2675<6>[   47.249508] lkdtm: attempting bad refcount_inc() overflow

 4792 13:53:08.741106  <4>[   47.262034] ------------[ cut here ]------------

 4793 13:53:08.747800  <4>[   47.267487] refcount_t: saturated; leaking memory.

 4794 13:53:08.757549  <4>[   47.273157] WARNING: CPU: 2 PID: 2038 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 4795 13:53:08.761355  13]  dump_stack+0x77/0x9b

 4796 13:53:08.847299  # [   39.271507]  ___might_sleep.cold<4>[   47.282886] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 4797 13:53:08.856956  <4>[   47.371463] CPU: 2 PID: 2038 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4798 13:53:08.857394  +0xa6/0xb7

 4799 13:53:08.860155  # [   39.276361]  exit_signals+0x1c/0x300

 4800 13:53:08.869858  # [   39.<4>[   47.380442] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4801 13:53:08.873164  280646]  do_exit+0xbd/0xaa0

 4802 13:53:08.879330  # [   39.284463]  ? ksys_write+0x74<4>[   47.393758] RIP: 0010:refcount_warn_saturate+0x51/0x110

 4803 13:53:08.882875  /0xf0

 4804 13:53:08.885994  # [   39.288645]  make_task_dead+0x2e/0x30

 4805 13:53:08.909246  # [   39.2930<4>[   47.406101] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 23 80 3d 7e 9f d5 02 00 75 ee 48 c7 c7 d8 33 22 99 c6 05 6e 9f d5 02 01 e8 3a 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22

 4806 13:53:08.915914  <4>[   47.433617] RSP: 0018:ffffb090829f7e58 EFLAGS: 00010282

 4807 13:53:08.919318  20]  rewind_stack_and_make_dead+0x17/0x20

 4808 13:53:08.929501  # [   39.298560] RIP:<4>[   47.439748] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 4809 13:53:08.939363  <4>[   47.454222] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 4810 13:53:08.945776  <4>[   47.462493] RBP: 0000000000000016 R08: 0000000000000000 R09: 0000000000000000

 4811 13:53:08.955906  <4>[   47.470790] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090829f7f10

 4812 13:53:08.962285  <4>[   47.479079] R13: ffffffff992c8f95 R14: ffff8c7a47b0e000 R15: ffffb090829f7f10

 4813 13:53:08.972931  <4>[   47.487346] FS:  00007f63cbb08740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 4814 13:53:08.979119  <4>[   47.496681] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4815 13:53:08.985975  <4>[   47.503392] CR2: 00007f63cbae7000 CR3: 00000001032f2003 CR4: 00000000003706e0

 4816 13:53:08.988920  <4>[   47.511676] Call Trace:

 4817 13:53:08.995593  <4>[   47.514719]  ? __warn+0x80/0x110

 4818 13:53:08.996022   0033:0x7f1a575e8240

 4819 13:53:09.005245  # [   39.302838] Code: 40 00 48 8b 15 c1 9<4>[   47.518624]  ? refcount_warn_saturate+0x51/0x110

 4820 13:53:09.008728  <4>[   47.530285]  ? report_bug+0x99/0xc0

 4821 13:53:09.015241  <4>[   47.534505]  ? handle_bug+0x41/0x80

 4822 13:53:09.018705  <4>[   47.538722]  ? exc_invalid_op+0x13/0x60

 4823 13:53:09.025657  <4>[   47.543299]  ? asm_exc_invalid_op+0x12/0x20

 4824 13:53:09.028514  <4>[   47.548315]  ? refcount_warn_saturate+0x51/0x110

 4825 13:53:09.041759  b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d<4>[   47.553776]  ? refcount_warn_saturate+0x51/0x110

 4826 13:53:09.045314  <4>[   47.565434]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 4827 13:53:09.051787  <4>[   47.571078]  direct_entry.cold+0x2c/0x38

 4828 13:53:09.054811  <4>[   47.575783]  full_proxy_write+0x53/0x80

 4829 13:53:09.058573  <4>[   47.580392]  vfs_write+0xf0/0x3c0

 4830 13:53:09.064808  <4>[   47.584415]  ksys_write+0x74/0xf0

 4831 13:53:09.068175  <4>[   47.588432]  do_syscall_64+0x30/0x40

 4832 13:53:09.074360  <4>[   47.592747]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 4833 13:53:09.084345   a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 7<4>[   47.598685] RIP: 0033:0x7f63cbc03240

 4834 13:53:09.087687  7 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 4835 13:53:09.111036  # [   39.324107]<4>[   47.609185] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 4836 13:53:09.120458  <4>[   47.636686] RSP: 002b:00007ffcaf8cf138 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 4837 13:53:09.127173  <4>[   47.645470] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f63cbc03240

 4838 13:53:09.137032  <4>[   47.653737] RDX: 0000000000000016 RSI: 00007f63cbae7000 RDI: 0000000000000001

 4839 13:53:09.144138  <4>[   47.662004] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000

 4840 13:53:09.153897  <4>[   47.670272] R10: 00007f63cbb244d0 R11: 0000000000000202 R12: 00007f63cbae7000

 4841 13:53:09.166699   RSP: 002b:00007ffda534d2d8 EFLAGS: 00000202 ORIG_RAX: 000000000<4>[   47.678539] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 4842 13:53:09.170357  <4>[   47.693027] irq event stamp: 0

 4843 13:53:09.173573  0000001

 4844 13:53:09.186559  # [   39.332842] RAX: ffffffffffffffda RBX: 00000000000<4>[   47.696746] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4845 13:53:09.193464  <4>[   47.710252] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 4846 13:53:09.202997  <4>[   47.719716] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 4847 13:53:09.213580  <4>[   47.729147] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4848 13:53:09.216433  <4>[   47.736441] ---[ end trace 242e5a7a3af61dd7 ]---

 4849 13:53:09.223013  <6>[   47.741890] lkdtm: Overflow detected: saturated

 4850 13:53:09.226165  0000a RCX: 00007f1a575e8240

 4851 13:53:09.232765  # [   39.341101] RDX: 000000000000000a RSI: 00007f1a574cc000 RDI: 0000000000000001

 4852 13:53:09.243015  # [   39.349360] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000

 4853 13:53:09.250326  # [   39.357623] R10: 00007f1a575094d0 R11: 0000000000000202 R12: 00007f1a574cc000

 4854 13:53:09.259163  # [   39.365882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 4855 13:53:09.262786  # EXEC_DATA: saw 'call trace:': ok

 4856 13:53:09.265783  ok 30 selftests: lkdtm: EXEC_DATA.sh

 4857 13:53:09.269637  # selftests: lkdtm: EXEC_STACK.sh

 4858 13:53:09.270045  # Killed

 4859 13:53:09.276286  # [   39.488070] lkdtm: Performing direct entry EXEC_STACK

 4860 13:53:09.282298  # [   39.498235] lkdtm: attempting ok execution at ffffffff96f954c0

 4861 13:53:09.289120  # [   39.505081] lkdtm: attempting bad execution at ffffb090823c7e28

 4862 13:53:09.298777  # [   39.518190] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4863 13:53:09.305257  # [   39.526845] BUG: unable to handle page fault for address: ffffb090823c7e28

 4864 13:53:09.311955  # [   39.534813] #PF: supervisor instruction fetch in kernel mode

 4865 13:53:09.318854  # [   39.541421] #PF: error_code(0x0011) - permissions violation

 4866 13:53:09.328441  # [   39.547933] PGD 100000067 P4D 100000067 PUD 10023f067 PMD 1048c7067 PTE 8000000107337063

 4867 13:53:09.331916  # [   39.557262] Oops: 0011 [#6] SMP PTI

 4868 13:53:09.341627  # [   39.561443] CPU: 3 PID: 1637 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4869 13:53:09.347754  # [   39.570382] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4870 13:53:09.351113  # [   39.577477] RIP: 0010:0xffffb090823c7e28

 4871 13:53:09.368225  # [   39.582142] Code: 00 00 01 00 00 00 00 00 00 00 32 61 64 97 ff ff ff ff<6>[   47.881239] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 4872 13:53:09.380971   20 00 00 00 00 00 00 00 0b 00 00 00 00 00 00 00 6c 62 64 97 ff <6>[   47.891272] lkdtm: attempting good refcount_add() without overflow

 4873 13:53:09.391160  ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f<6>[   47.904710] lkdtm: attempting bad refcount_add() overflow

 4874 13:53:09.394186   44 00 00 53

 4875 13:53:09.404378  # [   39.603415] RSP: 0018:ffffb090823c7e08 EFLAGS<4>[   47.917253] ------------[ cut here ]------------

 4876 13:53:09.404679  : 00010246

 4877 13:53:09.418047  # [   39.609529] RAX: 0000000000000033 RBX: ffffb090<4>[   47.928896] refcount_t: saturated; leaking memory.

 4878 13:53:09.418514  823c7e28 RCX: 0000000000000000

 4879 13:53:09.431111  # [   39.617789] RDX: 0000000000<4>[   47.940771] WARNING: CPU: 0 PID: 2071 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 4880 13:53:09.438056  000000 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50

 4881 13:53:09.520447  # [   39.626<4>[   47.956698] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 4882 13:53:09.536619  049] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000<4>[   48.045304] CPU: 0 PID: 2071 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4883 13:53:09.537022  000000

 4884 13:53:09.550059  # [   39.634309] R10: 00000000ffffdfff R11: ffffffff9948<4>[   48.060537] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4885 13:53:09.553228  ffc0 R12: ffffb090823c7f10

 4886 13:53:09.563189  # [   39.642566] R13: ffffffff992c8f<4>[   48.073783] RIP: 0010:refcount_warn_saturate+0x51/0x110

 4887 13:53:09.566158  06 R14: ffff8c7a43315000 R15: ffffb090823c7f10

 4888 13:53:09.589601  # [   39.650826]<4>[   48.086149] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 23 80 3d 7e 9f d5 02 00 75 ee 48 c7 c7 d8 33 22 99 c6 05 6e 9f d5 02 01 e8 3a 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22

 4889 13:53:09.603008   FS:  00007f431608b740(0000) GS:ffff8c7abad80000(0000) knlGS:000<4>[   48.113670] RSP: 0018:ffffb09082a4fe58 EFLAGS: 00010282

 4890 13:53:09.603396  0000000000000

 4891 13:53:09.615807  # [   39.660152] CS:  0010 DS: 0000 ES: 0000 CR0:<4>[   48.126042] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 4892 13:53:09.619101   0000000080050033

 4893 13:53:09.628747  # [   39.666857] CR2: ffffb090823c7e28 CR3: 0<4>[   48.140483] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50

 4894 13:53:09.635557  000000106540002 CR4: 00000000003706e0

 4895 13:53:09.645508  # [   39.675115] Call Tra<4>[   48.154977] RBP: 0000000000000016 R08: 0000000000000000 R09: 0000000000000000

 4896 13:53:09.645895  ce:

 4897 13:53:09.648598  # [   39.678136]  ? __die_body.cold+0x1a/0x1f

 4898 13:53:09.658550  # [   39.682<4>[   48.169453] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082a4ff10

 4899 13:53:09.661999  804]  ? no_context.constprop.0+0x121/0x320

 4900 13:53:09.675532  # [   39.688345]  ? <4>[   48.183946] R13: ffffffff992c8fab R14: ffff8c7a42afe000 R15: ffffb09082a4ff10

 4901 13:53:09.675920  exc_page_fault+0xcd/0x160

 4902 13:53:09.688415  # [   39.693013]  ? asm_exc_page_faul<4>[   48.198417] FS:  00007f043e4c0740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 4903 13:53:09.691972  t+0x1e/0x30

 4904 13:53:09.695283  # [   39.697966]  ? execute_location+0x46/0x57

 4905 13:53:09.701587  # [<4>[   48.213993] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4906 13:53:09.707908     39.702728]  ? lkdtm_EXEC_STACK+0x33/0x51

 4907 13:53:09.717791  # [   39.707493]  ?<4>[   48.226906] CR2: 00007f043e49f000 CR3: 000000010732e002 CR4: 00000000003706f0

 4908 13:53:09.718188   direct_entry.cold+0x2c/0x38

 4909 13:53:09.724854  # [   39.712356]  ? full_proxy_wri<4>[   48.241408] Call Trace:

 4910 13:53:09.727844  te+0x53/0x80

 4911 13:53:09.731308  # [   39.717122]  ? vfs_write+0xf0/0x3c0

 4912 13:53:09.734476  # [   39<4>[   48.250645]  ? __warn+0x80/0x110

 4913 13:53:09.737852  .721303]  ? ksys_write+0x74/0xf0

 4914 13:53:09.747590  # [   39.725485]  ? do_syscall<4>[   48.260776]  ? refcount_warn_saturate+0x51/0x110

 4915 13:53:09.747978  _64+0x30/0x40

 4916 13:53:09.758137  # [   39.729959]  ? entry_SYSCALL_64_after_hwfram<4>[   48.272414]  ? report_bug+0x99/0xc0

 4917 13:53:09.761422  e+0x67/0xd1

 4918 13:53:09.767720  # [   39.736085] Modules linked in: fuse ip_tables <4>[   48.282833]  ? handle_bug+0x41/0x80

 4919 13:53:09.780881  cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industria<4>[   48.293224]  ? exc_invalid_op+0x13/0x60

 4920 13:53:09.791020  lio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm bt<4>[   48.304036]  ? asm_exc_invalid_op+0x12/0x20

 4921 13:53:09.800600  intel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usb<4>[   48.315203]  ? refcount_warn_saturate+0x51/0x110

 4922 13:53:09.813739  pd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi<4>[   48.326888]  ? refcount_warn_saturate+0x51/0x110

 4923 13:53:09.826768   bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt vid<4>[   48.338539]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 4924 13:53:09.837207  eobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 process<4>[   48.350451]  direct_entry.cold+0x2c/0x38

 4925 13:53:09.846735  or_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_t<4>[   48.361298]  full_proxy_write+0x53/0x80

 4926 13:53:09.857072  emp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc<4>[   48.372098]  vfs_write+0xf0/0x3c0

 4927 13:53:09.866504  _core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc<4>[   48.382291]  ksys_write+0x74/0xf0

 4928 13:53:09.880233  _dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_<4>[   48.392510]  do_syscall_64+0x30/0x40

 4929 13:53:09.889951  thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal a<4>[   48.403009]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 4930 13:53:09.899907  cpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chro<4>[   48.415157] RIP: 0033:0x7f043e5bb240

 4931 13:53:09.903038  meos_pstore coreboot_table

 4932 13:53:09.929545  # [   39.824687] CR2: ffffb090823c7e<4>[   48.425684] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 4933 13:53:09.930110  28

 4934 13:53:09.932592  # [   39.828686] ---[ end trace 242e5a7a3af61dcc ]---

 4935 13:53:09.942439  # [  <4>[   48.453181] RSP: 002b:00007ffcc8558f68 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 4936 13:53:09.945692   39.834130] RIP: 0010:lkdtm_BUG+0x5/0x10

 4937 13:53:09.959101  # [   39.838789] Code:<4>[   48.468161] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f043e5bb240

 4938 13:53:09.972364   ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff <4>[   48.482637] RDX: 0000000000000016 RSI: 00007f043e49f000 RDI: 0000000000000001

 4939 13:53:09.985597  c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <<4>[   48.497145] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000

 4940 13:53:10.001805  0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 <4>[   48.511623] R10: 00007f043e4dc4d0 R11: 0000000000000202 R12: 00007f043e49f000

 4941 13:53:10.002223  03

 4942 13:53:10.015152  # [   39.860059] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286<4>[   48.526106] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 4943 13:53:10.015554  

 4944 13:53:10.024954  # [   39.866182] RAX: ffffffff96f95100 RBX: 0000000000000001 R<4>[   48.540585] irq event stamp: 0

 4945 13:53:10.028344  CX: 0000000000000000

 4946 13:53:10.038321  # [   39.874441] RDX: 0000000000000000 RSI<4>[   48.550497] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4947 13:53:10.045089  : ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 4948 13:53:10.055192  # [   39.882702] RBP: <4>[   48.564015] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 4949 13:53:10.061561  0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 4950 13:53:10.071308  # <4>[   48.579642] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 4951 13:53:10.084499  [   39.890952] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: <4>[   48.595317] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4952 13:53:10.084898  ffffb0908147ff10

 4953 13:53:10.094977  # [   39.899211] R13: ffffffff9932fce0 R14: ff<4>[   48.608845] ---[ end trace 242e5a7a3af61dd8 ]---

 4954 13:53:10.101009  ff8c7a4628c000 R15: ffffb0908147ff10

 4955 13:53:10.107802  # [   39.907469] FS:  0000<6>[   48.620516] lkdtm: Overflow detected: saturated

 4956 13:53:10.114476  7f431608b740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 4957 13:53:10.121359  # [   39.916797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4958 13:53:10.128086  # [   39.923502] CR2: ffffb090823c7e28 CR3: 0000000106540002 CR4: 00000000003706e0

 4959 13:53:10.131024  # EXEC_STACK: saw 'call trace:': ok

 4960 13:53:10.137304  ok 31 selftests: lkdtm: EXEC_STACK.sh

 4961 13:53:10.141045  # selftests: lkdtm: EXEC_KMALLOC.sh

 4962 13:53:10.141515  # Killed

 4963 13:53:10.147655  # [   40.035583] lkdtm: Performing direct entry EXEC_KMALLOC

 4964 13:53:10.153979  # [   40.043620] lkdtm: attempting ok execution at ffffffff96f954c0

 4965 13:53:10.160664  # [   40.056632] lkdtm: attempting bad execution at ffff8c7a45404880

 4966 13:53:10.170235  # [   40.069747] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4967 13:53:10.177183  # [   40.084608] BUG: unable to handle page fault for address: ffff8c7a45404880

 4968 13:53:10.183438  # [   40.092579] #PF: supervisor instruction fetch in kernel mode

 4969 13:53:10.190260  # [   40.099189] #PF: error_code(0x0011) - permissions violation

 4970 13:53:10.199947  # [   40.105703] PGD ce01067 P4D ce01067 PUD 10087e063 PMD 107daa063 PTE 8000000105404063

 4971 13:53:10.203464  # [   40.120863] Oops: 0011 [#7] SMP PTI

 4972 13:53:10.210315  # [   40.125045] CPU: 1 PID: 1674 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4973 13:53:10.219991  # [   40.133976] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4974 13:53:10.223382  # [   40.141073] RIP: 0010:0xffff8c7a45404880

 4975 13:53:10.243096  # [   40.145740] Code: 00 00 02 00 00 00 00 00 00 00 00 4f 40 45 7a 8c ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3b 1e 50 96 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 53

 4976 13:53:10.249887  # [   40.167011] RSP: 0018:ffffb0908243fe48 EFLAGS: 00010246

 4977 13:53:10.259628  # [   40.173128] RAX: 0000000000000033 RBX: ffff8c7a45404880 RCX: 0000000000000000

 4978 13:53:10.269603  # [   40.181380] RDX: 0000000000000000 RSI: ff<6>[   48.783887] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 4979 13:53:10.276061  ff8c7abac9bf50 RDI: ffff8c7abac9bf50

 4980 13:53:10.282749  # [   40.189641] RBP: 0000<6>[   48.795539] lkdtm: attempting bad refcount_inc_not_zero() overflow

 4981 13:53:10.289222  000000000001 R08: 0000000000000000 R09: 0000000000000000

 4982 13:53:10.295874  # [   <4>[   48.808983] ------------[ cut here ]------------

 4983 13:53:10.309397  40.197901] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffff<4>[   48.820663] refcount_t: saturated; leaking memory.

 4984 13:53:10.309802  b0908243ff10

 4985 13:53:10.322692  # [   40.206162] R13: ffffffff992c8f11 R14: ffff8c<4>[   48.832516] WARNING: CPU: 0 PID: 2104 at lib/refcount.c:19 refcount_warn_saturate+0x74/0x110

 4986 13:53:10.325655  7a4429a000 R15: ffffb0908243ff10

 4987 13:53:10.411705  # [   40.214423] FS:  00007f9f<4>[   48.848490] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 4988 13:53:10.418422  27411740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 4989 13:53:10.428024  <4>[   48.937049] CPU: 0 PID: 2104 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 4990 13:53:10.428415  

 4991 13:53:10.441495  # [   40.223751] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050<4>[   48.952258] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4992 13:53:10.441888  033

 4993 13:53:10.454946  # [   40.230458] CR2: ffff8c7a45404880 CR3: 000000010654000<4>[   48.965557] RIP: 0010:refcount_warn_saturate+0x74/0x110

 4994 13:53:10.455522  5 CR4: 00000000003706e0

 4995 13:53:10.457754  # [   40.238717] Call Trace:

 4996 13:53:10.481228  # [   40.<4>[   48.977893] Code: 02 01 e8 3a 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 99 c6 05 4c 9f d5 02 01 e8 17 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22

 4997 13:53:10.484248  241737]  ? __die_body.cold+0x1a/0x1f

 4998 13:53:10.494562  # [   40.252626]  ? no_con<4>[   49.005363] RSP: 0018:ffffb09082abfe48 EFLAGS: 00010286

 4999 13:53:10.497779  text.constprop.0+0x121/0x320

 5000 13:53:10.507543  # [   40.258173]  ? exc_page_fault<4>[   49.017720] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5001 13:53:10.507937  +0xcd/0x160

 5002 13:53:10.514344  # [   40.269053]  ? asm_exc_page_fault+0x1e/0x30

 5003 13:53:10.520606  #<4>[   49.032181] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50

 5004 13:53:10.527401   [   40.274019]  ? execute_location+0x46/0x57

 5005 13:53:10.537249  # [   40.285002] <4>[   49.046683] RBP: 000000000000001f R08: 0000000000000000 R09: 0000000000000000

 5006 13:53:10.540742   ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 5007 13:53:10.550585  # [   40.289963]  ? direct_entr<4>[   49.061144] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082abff10

 5008 13:53:10.553563  y.cold+0x2c/0x38

 5009 13:53:10.567050  # [   40.294828]  ? full_proxy_write+0x53/0x80<4>[   49.075686] R13: ffffffff992c8be8 R14: ffff8c7a42b08000 R15: ffffb09082abff10

 5010 13:53:10.567440  

 5011 13:53:10.570085  # [   40.299595]  ? vfs_write+0xf0/0x3c0

 5012 13:53:10.580013  # [   40.303802]  ? <4>[   49.090122] FS:  00007fc28919a740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 5013 13:53:10.583602  ksys_write+0x74/0xf0

 5014 13:53:10.593255  # [   40.307985]  ? do_syscall_64+0x30/0x4<4>[   49.105721] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5015 13:53:10.593644  0

 5016 13:53:10.600114  # [   40.312451]  ? entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5017 13:53:10.610251  <4>[   49.118654] CR2: 00007fc289179000 CR3: 0000000106136006 CR4: 00000000003706f0

 5018 13:53:10.610654  

 5019 13:53:10.616709  # [   40.318577] Modules linked in: fuse ip_tables cros_ec_lid_<4>[   49.133148] Call Trace:

 5020 13:53:10.626628  angle cros_ec_sensors cros_ec_sensors_core industrialio_triggere<4>[   49.142374]  ? __warn+0x80/0x110

 5021 13:53:10.639875  d_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_e<4>[   49.152506]  ? refcount_warn_saturate+0x74/0x110

 5022 13:53:10.649628  c_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cr<4>[   49.164158]  ? report_bug+0x99/0xc0

 5023 13:53:10.659518  os_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth u<4>[   49.174582]  ? handle_bug+0x41/0x80

 5024 13:53:10.670061  vcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memop<4>[   49.184990]  ? exc_invalid_op+0x13/0x60

 5025 13:53:10.682978  s ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_d<4>[   49.195853]  ? asm_exc_invalid_op+0x12/0x20

 5026 13:53:10.692633  evice intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal <4>[   49.207023]  ? refcount_warn_saturate+0x74/0x110

 5027 13:53:10.705823  iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwif<4>[   49.218700]  ? refcount_warn_saturate+0x74/0x110

 5028 13:53:10.719324  i videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf sn<4>[   49.230357]  __refcount_add_not_zero.constprop.0+0x26/0x31

 5029 13:53:10.732172  d_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int3<4>[   49.243047]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3c/0x74

 5030 13:53:10.742396  40x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_<4>[   49.255755]  direct_entry.cold+0x2c/0x38

 5031 13:53:10.752444  rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore <4>[   49.266688]  full_proxy_write+0x53/0x80

 5032 13:53:10.755555  coreboot_table

 5033 13:53:10.758600  # [   40.407162] CR2: ffff8c7a45404880

 5034 13:53:10.762112  # [   40<4>[   49.277471]  vfs_write+0xf0/0x3c0

 5035 13:53:10.768620  .411141] ---[ end trace 242e5a7a3af61dcd ]---

 5036 13:53:10.772098  # [   40.416586] <4>[   49.287768]  ksys_write+0x74/0xf0

 5037 13:53:10.775600  RIP: 0010:lkdtm_BUG+0x5/0x10

 5038 13:53:10.785700  # [   40.421254] Code: ff ff ff eb<4>[   49.297967]  do_syscall_64+0x30/0x40

 5039 13:53:10.795355   e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc <4>[   49.308507]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5040 13:53:10.805284  cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f<4>[   49.320640] RIP: 0033:0x7fc289295240

 5041 13:53:10.811672   1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 5042 13:53:10.835234  # [   40<4>[   49.331151] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5043 13:53:10.838658  .442529] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 5044 13:53:10.848564  # [   40.4<4>[   49.358645] RSP: 002b:00007ffecc46a9f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 5045 13:53:10.864991  48675] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 00000000<4>[   49.373684] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc289295240

 5046 13:53:10.865438  00000000

 5047 13:53:10.878225  # [   40.456937] RDX: 0000000000000000 RSI: ffff8c7aba<4>[   49.388141] RDX: 000000000000001f RSI: 00007fc289179000 RDI: 0000000000000001

 5048 13:53:10.881252  d1bf50 RDI: ffffffff98e40bf0

 5049 13:53:10.891404  # [   40.465198] RBP: 000000000000<4>[   49.402679] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000

 5050 13:53:10.897923  0004 R08: 0000000000000001 R09: 0000000000000001

 5051 13:53:10.907531  # [   40.47345<4>[   49.417159] R10: 00007fc2891b64d0 R11: 0000000000000202 R12: 00007fc289179000

 5052 13:53:10.920700  7] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147<4>[   49.431679] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 5053 13:53:10.921105  ff10

 5054 13:53:10.931076  # [   40.481718] R13: ffffffff9932fce0 R14: ffff8c7a4628c0<4>[   49.446158] irq event stamp: 0

 5055 13:53:10.934137  00 R15: ffffb0908147ff10

 5056 13:53:10.944164  # [   40.489979] FS:  00007f9f27411740<4>[   49.456132] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5057 13:53:10.950686  (0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 5058 13:53:10.960631  # [   4<4>[   49.469619] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5059 13:53:10.967237  0.499308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5060 13:53:10.977372  # [<4>[   49.485296] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5061 13:53:10.990573     40.506014] CR2: ffff8c7a45404880 CR3: 0000000106540005 CR4: 0<4>[   49.500940] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5062 13:53:10.990971  0000000003706e0

 5063 13:53:11.000210  # [   40.514275] BUG: sleeping function called <4>[   49.514484] ---[ end trace 242e5a7a3af61dd9 ]---

 5064 13:53:11.007180  from invalid context at include/linux/percpu-rwsem.h:49

 5065 13:53:11.013433  # [   4<6>[   49.526142] lkdtm: Overflow detected: saturated

 5066 13:53:11.020317  0.524477] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1674, name: cat

 5067 13:53:11.026560  # [   40.533222] INFO: lockdep is turned off.

 5068 13:53:11.029967  # [   40.537888] irq event stamp: 0

 5069 13:53:11.036871  # [   40.541584] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5070 13:53:11.046531  # [   40.548874] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5071 13:53:11.056628  # [   40.558292] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5072 13:53:11.063192  # [   40.567720] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5073 13:53:11.069986  # [   40.575010] CPU: 1 PID: 1674 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 5074 13:53:11.079342  # [   40.583952] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5075 13:53:11.079917  # [   40.591050] Call Trace:

 5076 13:53:11.086510  # [   40.594071]  dump_stack+0x77/0x9b

 5077 13:53:11.089576  # [   40.598061]  ___might_sleep.cold+0xa6/0xb7

 5078 13:53:11.092710  # [   40.609136]  exit_signals+0x1c/0x300

 5079 13:53:11.096008  # [   40.613417]  do_exit+0xbd/0xaa0

 5080 13:53:11.103048  # [   40.623424]  ? ksys_write+0x74/0xf0

 5081 13:53:11.106058  # [   40.627626]  make_task_dead+0x2e/0x30

 5082 13:53:11.112795  # [   40.632006]  rewind_stack_and_make_dead+0x17/0x20

 5083 13:53:11.115849  # [   40.643760] RIP: 0033:0x7f9f2750c240

 5084 13:53:11.135648  # [   40.648040] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5085 13:53:11.145072  # [   40.669313] RSP: 002b:00007ffea6b41958 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 5086 13:53:11.158437  # [   40.678061] RAX: ffffffffffffffda RBX: 000<6>[   49.671440] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 5087 13:53:11.161720  000000000000d RCX: 00007f9f2750c240

 5088 13:53:11.171714  # [   40.686322] RDX: 00000<6>[   49.682562] lkdtm: attempting bad refcount_add_not_zero() overflow

 5089 13:53:11.175132  0000000000d RSI: 00007f9f273f0000 RDI: 0000000000000001

 5090 13:53:11.181776  # [   4<4>[   49.695976] ------------[ cut here ]------------

 5091 13:53:11.195004  0.694574] RBP: 000000000000000d R08: 00000000ffffffff R09: 00000<4>[   49.707641] refcount_t: saturated; leaking memory.

 5092 13:53:11.195231  00000000000

 5093 13:53:11.211819  # [   40.702835] R10: 00007f9f2742d4d0 R11: 0000000<4>[   49.719531] WARNING: CPU: 1 PID: 2137 at lib/refcount.c:19 refcount_warn_saturate+0x74/0x110

 5094 13:53:11.214971  000000202 R12: 00007f9f273f0000

 5095 13:53:11.301390  # [   40.711094] R13: 000000000<4>[   49.735443] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 5096 13:53:11.303936  0000001 R14: 0000000000020000 R15: 0000000000000000

 5097 13:53:11.314058  # EXEC_KMAL<4>[   49.824037] CPU: 1 PID: 2137 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 5098 13:53:11.316987  LOC: saw 'call trace:': ok

 5099 13:53:11.326848  ok 32 selftests: lkdtm: EXEC_KMALLOC<4>[   49.839198] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5100 13:53:11.326939  .sh

 5101 13:53:11.330290  # selftests: lkdtm: EXEC_VMALLOC.sh

 5102 13:53:11.333415  # Killed

 5103 13:53:11.340337  # [   40.828<4>[   49.852515] RIP: 0010:refcount_warn_saturate+0x74/0x110

 5104 13:53:11.343290  616] lkdtm: Performing direct entry EXEC_VMALLOC

 5105 13:53:11.366696  # [   40.83739<4>[   49.864858] Code: 02 01 e8 3a 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 99 c6 05 4c 9f d5 02 01 e8 17 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22

 5106 13:53:11.373407  5] lkdtm: attempting ok execution at ffffffff96f954c0

 5107 13:53:11.380057  # [   40.<4>[   49.892359] RSP: 0018:ffffb09082b8fe48 EFLAGS: 00010286

 5108 13:53:11.386328  844213] lkdtm: attempting bad execution at ffffb09080385000

 5109 13:53:11.392980  # [<4>[   49.904703] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5110 13:53:11.409846     40.857345] kernel tried to execute NX-protected page - exploi<4>[   49.919210] RDX: ffff8c7abacac620 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50

 5111 13:53:11.410074  t attempt? (uid: 0)

 5112 13:53:11.423288  # [   40.866002] BUG: unable to handle page<4>[   49.933678] RBP: 000000000000001f R08: 0000000000000000 R09: 0000000000000000

 5113 13:53:11.432964  <4>[   49.948157] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082b8ff10

 5114 13:53:11.436319   fault for address: ffffb09080385000

 5115 13:53:11.446353  # [   40.880186] #PF: supe<4>[   49.956424] R13: ffffffff992c8c08 R14: ffff8c7a42bf7000 R15: ffffb09082b8ff10

 5116 13:53:11.456060  <4>[   49.970899] FS:  00007f89f7be1740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 5117 13:53:11.459276  rvisor instruction fetch in kernel mode

 5118 13:53:11.469259  # [   40.886797] #PF: e<4>[   49.980235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5119 13:53:11.475875  <4>[   49.993156] CR2: 00007f89f7bc0000 CR3: 000000010653e001 CR4: 00000000003706e0

 5120 13:53:11.482382  rror_code(0x0011) - permissions violation

 5121 13:53:11.485686  # [   40.893303] PGD <4>[   50.001425] Call Trace:

 5122 13:53:11.495649  100000067 P4D 100000067 PUD 10023f067 PMD 1009ee067 PTE 80000001<4>[   50.010700]  ? __warn+0x80/0x110

 5123 13:53:11.496053  06460063

 5124 13:53:11.502239  # [   40.908851] Oops: 0011 [#8] SMP PTI

 5125 13:53:11.508786  # [   40.913<4>[   50.020808]  ? refcount_warn_saturate+0x74/0x110

 5126 13:53:11.518743  035] CPU: 2 PID: 1711 Comm: cat Tainted: G      D W         5.10<4>[   50.032477]  ? report_bug+0x99/0xc0

 5127 13:53:11.519139  .222-cip50 #1

 5128 13:53:11.528833  # [   40.921976] Hardware name: Google Rammus/Ram<4>[   50.042879]  ? handle_bug+0x41/0x80

 5129 13:53:11.532093  mus, BIOS  09/04/2020

 5130 13:53:11.538652  # [   40.929074] RIP: 0010:0xffffb0908038<4>[   50.053279]  ? exc_invalid_op+0x13/0x60

 5131 13:53:11.539036  5000

 5132 13:53:11.551938  # [   40.933745] Code: Unable to access opcode bytes at RI<4>[   50.064071]  ? asm_exc_invalid_op+0x12/0x20

 5133 13:53:11.552328  P 0xffffb09080384fd6.

 5134 13:53:11.561787  # [   40.947924] RSP: 0018:ffffb090824b7e<4>[   50.075270]  ? refcount_warn_saturate+0x74/0x110

 5135 13:53:11.564976  48 EFLAGS: 00010246

 5136 13:53:11.574873  # [   40.954050] RAX: 0000000000000033 RBX:<4>[   50.086916]  ? refcount_warn_saturate+0x74/0x110

 5137 13:53:11.578260   ffffb09080385000 RCX: 0000000000000000

 5138 13:53:11.588090  # [   40.962308] RDX: 0<4>[   50.098583]  __refcount_add_not_zero.constprop.0+0x26/0x31

 5139 13:53:11.591620  000000000000000 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 5140 13:53:11.597920  # [<4>[   50.111220]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3c/0x74

 5141 13:53:11.610962     40.970569] RBP: 0000000000000001 R08: 0000000000000000 R09: 0<4>[   50.123956]  direct_entry.cold+0x2c/0x38

 5142 13:53:11.611043  000000000000000

 5143 13:53:11.620432  # [   40.978829] R10: 00000000ffffdfff R11: fff<4>[   50.134849]  full_proxy_write+0x53/0x80

 5144 13:53:11.624114  fffff9948ffc0 R12: ffffb090824b7f10

 5145 13:53:11.630682  # [   40.987090] R13: fffff<4>[   50.145639]  vfs_write+0xf0/0x3c0

 5146 13:53:11.637094  fff992c8f1e R14: ffff8c7a46460000 R15: ffffb090824b7f10

 5147 13:53:11.640945  # [   4<4>[   50.155846]  ksys_write+0x74/0xf0

 5148 13:53:11.650563  0.995352] FS:  00007fa0b87d8740(0000) GS:ffff8c7abad00000(0000) <4>[   50.166053]  do_syscall_64+0x30/0x40

 5149 13:53:11.653777  knlGS:0000000000000000

 5150 13:53:11.663505  # [   41.004687] CS:  0010 DS: 0000 ES: <4>[   50.176553]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5151 13:53:11.666902  0000 CR0: 0000000080050033

 5152 13:53:11.673209  # [   41.011395] CR2: ffffb09080384f<4>[   50.188703] RIP: 0033:0x7f89f7cdc240

 5153 13:53:11.696749  <4>[   50.199201] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5154 13:53:11.700689  d6 CR3: 0000000106440002 CR4: 00000000003706e0

 5155 13:53:11.710170  # [   41.019669]<4>[   50.220485] RSP: 002b:00007ffc67b15c18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 5156 13:53:11.713321   Call Trace:

 5157 13:53:11.716463  # [   41.022712]  ? __die_body.cold+0x1a/0x1f

 5158 13:53:11.726703  # [<4>[   50.235443] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f89f7cdc240

 5159 13:53:11.733422  <4>[   50.249922] RDX: 000000000000001f RSI: 00007f89f7bc0000 RDI: 0000000000000001

 5160 13:53:11.740124     41.027381]  ? no_context.constprop.0+0x121/0x320

 5161 13:53:11.746561  # [   41.03<4>[   50.258188] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000

 5162 13:53:11.756294  <4>[   50.272671] R10: 00007f89f7bfd4d0 R11: 0000000000000202 R12: 00007f89f7bc0000

 5163 13:53:11.759697  2925]  ? exc_page_fault+0xcd/0x160

 5164 13:53:11.769812  # [   41.037595]  ? asm_exc_<4>[   50.280938] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 5165 13:53:11.772602  page_fault+0x1e/0x30

 5166 13:53:11.779276  # [   41.042558]  ? execute_location+0x46/<4>[   50.295418] irq event stamp: 0

 5167 13:53:11.789199  <4>[   50.305332] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5168 13:53:11.789606  0x57

 5169 13:53:11.792479  # [   41.047324]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 5170 13:53:11.802462  # [   41<4>[   50.312630] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5171 13:53:11.809286  .052283]  ? direct_entry.cold+0x2c/0x38

 5172 13:53:11.819219  # [   41.057148]  ? ful<4>[   50.328271] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5173 13:53:11.825773  <4>[   50.343916] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5174 13:53:11.828872  l_proxy_write+0x53/0x80

 5175 13:53:11.838997  # [   41.061916]  ? vfs_write+0xf0/0x3c<4>[   50.351236] ---[ end trace 242e5a7a3af61dda ]---

 5176 13:53:11.839440  0

 5177 13:53:11.842073  # [   41.066100]  ? ksys_write+0x74/0xf0

 5178 13:53:11.849297  # [   41.070282]  ?<6>[   50.362895] lkdtm: Overflow detected: saturated

 5179 13:53:11.851703   do_syscall_64+0x30/0x40

 5180 13:53:11.858608  # [   41.074755]  ? entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5181 13:53:11.941004  # [   41.080883] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 5182 13:53:11.944015  # [   41.169492] CR2: ffffb09080385000

 5183 13:53:11.950796  # [   41.173480] ---[ end trace 242e5a7a3af61dce ]---

 5184 13:53:11.953834  # [   41.178926] RIP: 0010:lkdtm_BUG+0x5/0x10

 5185 13:53:11.973908  # [   41.183583] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 5186 13:53:11.980396  # [   41.204857] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 5187 13:53:11.993785  # [   41.210980] RAX: ffffffff96f95100 RBX: 0000000<6>[   50.506744] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 5188 13:53:11.997092  000000001 RCX: 0000000000000000

 5189 13:53:12.003611  # [   41.219240] RDX: 000000000<6>[   50.517855] lkdtm: attempting good refcount_dec()

 5190 13:53:12.010184  0000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 5191 13:53:12.017364  # [   41.22<6>[   50.529616] lkdtm: attempting bad refcount_dec() to zero

 5192 13:53:12.029917  7500] RBP: 0000000000000004 R08: 0000000000000001 R09: 000000000<4>[   50.542050] ------------[ cut here ]------------

 5193 13:53:12.030002  0000001

 5194 13:53:12.040191  # [   41.235759] R10: 00000000ffffdfff R11: ffffffff994<4>[   50.553711] refcount_t: decrement hit 0; leaking memory.

 5195 13:53:12.043271  8ffc0 R12: ffffb0908147ff10

 5196 13:53:12.056953  # [   41.244018] R13: ffffffff9932f<4>[   50.566165] WARNING: CPU: 1 PID: 2170 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5197 13:53:12.063208  ce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 5198 13:53:12.145971  # [   41.252277<4>[   50.582090] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 5199 13:53:12.162560  ] FS:  00007fa0b87d8740(0000) GS:ffff8c7abad00000(0000) knlGS:00<4>[   50.670690] CPU: 1 PID: 2170 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 5200 13:53:12.162973  00000000000000

 5201 13:53:12.176185  # [   41.261626] CS:  0010 DS: 0000 ES: 0000 CR0<4>[   50.685848] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5202 13:53:12.176634  : 0000000080050033

 5203 13:53:12.185572  # [   41.268332] CR2: ffffb09080384fd6 CR3: <4>[   50.699161] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5204 13:53:12.192046  0000000106440002 CR4: 00000000003706e0

 5205 13:53:12.215063  # EXEC_VMALLOC: saw 'cal<4>[   50.711505] Code: 88 34 22 99 c6 05 da 9e d5 02 01 e8 aa 1f c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 34 22 99 c6 05 c1 9e d5 02 01 e8 90 1f c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5206 13:53:12.215468  l trace:': ok

 5207 13:53:12.218583  ok 33 selftests: lkdtm: EXEC_VMALLOC.sh

 5208 13:53:12.225307  # selfte<4>[   50.739002] RSP: 0018:ffffb09082c0fe58 EFLAGS: 00010282

 5209 13:53:12.228268  sts: lkdtm: EXEC_RODATA.sh

 5210 13:53:12.231687  # Killed

 5211 13:53:12.241603  # [   41.368787] lkdtm: Pe<4>[   50.751346] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 5212 13:53:12.244912  rforming direct entry EXEC_RODATA

 5213 13:53:12.254484  # [   41.375898] lkdtm: attem<4>[   50.765827] RDX: ffff8c7abacac620 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50

 5214 13:53:12.258165  pting ok execution at ffffffff96f954c0

 5215 13:53:12.271320  # [   41.382736] lkdtm: <4>[   50.780309] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000

 5216 13:53:12.274433  attempting bad execution at ffffffff98e41080

 5217 13:53:12.284774  # [   41.389696] k<4>[   50.794790] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082c0ff10

 5218 13:53:12.297730  ernel tried to execute NX-protected page - exploit attempt? (uid<4>[   50.809271] R13: ffffffff992c8fc1 R14: ffff8c7a47383000 R15: ffffb09082c0ff10

 5219 13:53:12.300714  : 0)

 5220 13:53:12.313752  # [   41.398356] BUG: unable to handle page fault for addr<4>[   50.823755] FS:  00007f93abce8740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 5221 13:53:12.317115  ess: ffffffff98e41080

 5222 13:53:12.326922  # [   41.412538] #PF: supervisor instruct<4>[   50.839305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5223 13:53:12.330312  ion fetch in kernel mode

 5224 13:53:12.340123  # [   41.419149] #PF: error_code(0x001<4>[   50.852234] CR2: 00007f93abcc7000 CR3: 0000000106484005 CR4: 00000000003706e0

 5225 13:53:12.343466  1) - permissions violation

 5226 13:53:12.350486  # [   41.425662] PGD b429067 P4D b42<4>[   50.866717] Call Trace:

 5227 13:53:12.353638  9067 PUD b42a063 PMD 800000000ae000e1 

 5228 13:53:12.360086  # [   41.433150] Oops: 0<4>[   50.875960]  ? __warn+0x80/0x110

 5229 13:53:12.363557  011 [#9] SMP PTI

 5230 13:53:12.373638  # [   41.443546] CPU: 3 PID: 1748 Comm: cat Ta<4>[   50.886067]  ? refcount_warn_saturate+0xfb/0x110

 5231 13:53:12.376661  inted: G      D W         5.10.222-cip50 #1

 5232 13:53:12.383261  # [   41.452489] Ha<4>[   50.897736]  ? report_bug+0x99/0xc0

 5233 13:53:12.390090  rdware name: Google Rammus/Rammus, BIOS  09/04/2020

 5234 13:53:12.393034  # [   41.46<4>[   50.908141]  ? handle_bug+0x41/0x80

 5235 13:53:12.399754  5800] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 5236 13:53:12.403100  # [   41.47182<4>[   50.918541]  ? exc_invalid_op+0x13/0x60

 5237 13:53:12.416638  7] Code: ff ff 75 76 64 97 ff ff ff ff 52 91 2c 99 ff ff ff ff 2<4>[   50.929334]  ? asm_exc_invalid_op+0x12/0x20

 5238 13:53:12.426446  0 5e 64 97 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00<4>[   50.940517]  ? refcount_warn_saturate+0xfb/0x110

 5239 13:53:12.439516   00 00 <c3> cc cc cc cc 00 00 00 00 00 00 00 00 00 00 00 54 68 6<4>[   50.952178]  ? refcount_warn_saturate+0xfb/0x110

 5240 13:53:12.439962  9 73 20 69

 5241 13:53:12.449246  # [   41.493101] RSP: 0018:ffffb0908256fe58 EFLAGS: <4>[   50.963841]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 5242 13:53:12.452965  00010246

 5243 13:53:12.462634  # [   41.499217] RAX: 0000000000000033 RBX: ffffffff98<4>[   50.975314]  direct_entry.cold+0x2c/0x38

 5244 13:53:12.466254  e41080 RCX: 0000000000000000

 5245 13:53:12.472750  # [   41.507469] RDX: 000000000000<4>[   50.986204]  full_proxy_write+0x53/0x80

 5246 13:53:12.475595  0000 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50

 5247 13:53:12.482331  # [   41.51572<4>[   50.996996]  vfs_write+0xf0/0x3c0

 5248 13:53:12.492106  8] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000<4>[   51.007202]  ksys_write+0x74/0xf0

 5249 13:53:12.492544  0000

 5250 13:53:12.502619  # [   41.523986] R10: 00000000ffffdfff R11: ffffffff9948ff<4>[   51.017412]  do_syscall_64+0x30/0x40

 5251 13:53:12.505595  c0 R12: ffffb0908256ff10

 5252 13:53:12.515167  # [   41.532245] R13: ffffffff992c8f2b<4>[   51.027913]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5253 13:53:12.518597   R14: ffff8c7a42bb1000 R15: ffffb0908256ff10

 5254 13:53:12.525359  # [   41.540506] F<4>[   51.040064] RIP: 0033:0x7f93abde3240

 5255 13:53:12.554930  S:  00007fe4c3dac740(0000) GS:ffff8c7abad80000(0000) knlGS:00000<4>[   51.050563] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5256 13:53:12.555373  00000000000

 5257 13:53:12.568034  # [   41.549834] CS:  0010 DS: 0000 ES: 0000 CR0: 0<4>[   51.078061] RSP: 002b:00007ffef8e95378 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 5258 13:53:12.571676  000000080050033

 5259 13:53:12.581819  # [   41.556542] CR2: ffffffff98e41080 CR3: 000<4>[   51.093030] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f93abde3240

 5260 13:53:12.588208  0000106558002 CR4: 00000000003706e0

 5261 13:53:12.598082  # [   41.564803] Call Trace<4>[   51.107513] RDX: 0000000000000012 RSI: 00007f93abcc7000 RDI: 0000000000000001

 5262 13:53:12.604335  <4>[   51.121994] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000

 5263 13:53:12.604766  :

 5264 13:53:12.611063  # [   41.567823]  ? __die_body.cold+0x1a/0x1f

 5265 13:53:12.620845  # [   41.57249<4>[   51.130264] R10: 00007f93abd044d0 R11: 0000000000000202 R12: 00007f93abcc7000

 5266 13:53:12.627434  <4>[   51.144747] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 5267 13:53:12.630767  4]  ? no_context.constprop.0+0x121/0x320

 5268 13:53:12.637432  # [   41.578040]  ? ex<4>[   51.153021] irq event stamp: 0

 5269 13:53:12.640630  c_page_fault+0xcd/0x160

 5270 13:53:12.650629  # [   41.582710]  ? asm_exc_page_fault+<4>[   51.162929] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5271 13:53:12.660526  <4>[   51.176439] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5272 13:53:12.663676  0x1e/0x30

 5273 13:53:12.677208  # [   41.587683]  ? execute_location+0x46/0x57<4>[   51.185873] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5274 13:53:12.683705  <4>[   51.200834] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5275 13:53:12.684096  

 5276 13:53:12.686969  # [   41.592449]  ? direct_entry.cold+0x2c/0x38

 5277 13:53:12.696763  # [   41.5973<4>[   51.208156] ---[ end trace 242e5a7a3af61ddb ]---

 5278 13:53:12.699943  05]  ? full_proxy_write+0x53/0x80

 5279 13:53:12.703281  <6>[   51.219818] lkdtm: Zero detected: saturated

 5280 13:53:12.706986  # [   41.602073]  ? vfs_write+0xf0/0x3c0

 5281 13:53:12.713244  # [   41.606255]  ? ksys_write+0x74/0xf0

 5282 13:53:12.716634  # [   41.610439]  ? do_syscall_64+0x30/0x40

 5283 13:53:12.723263  # [   41.614914]  ? entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5284 13:53:12.805475  # [   41.621041] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 5285 13:53:12.808938  # [   41.709653] CR2: ffffffff98e41080

 5286 13:53:12.812600  # [   41.713677] ---[ end trace 242e5a7a3af61dcf ]---

 5287 13:53:12.818943  # [   41.719124] RIP: 0010:lkdtm_BUG+0x5/0x10

 5288 13:53:12.838621  # [   41.723791] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 5289 13:53:12.845090  # [   41.745066] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 5290 13:53:12.858500  # [   41.751190] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000<6>[   51.371457] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 5291 13:53:12.861725  000000

 5292 13:53:12.871821  # [   41.759441] RDX: 0000000000000000 RSI: ffff8c7abad1<6>[   51.384536] lkdtm: attempting bad refcount_dec() below zero

 5293 13:53:12.874974  bf50 RDI: ffffffff98e40bf0

 5294 13:53:12.885234  # [   41.767701] RBP: 00000000000000<4>[   51.397291] ------------[ cut here ]------------

 5295 13:53:12.888501  04 R08: 0000000000000001 R09: 0000000000000001

 5296 13:53:12.897898  # [   41.775962]<4>[   51.408951] refcount_t: decrement hit 0; leaking memory.

 5297 13:53:12.911088   R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff<4>[   51.421441] WARNING: CPU: 0 PID: 2206 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5298 13:53:12.914566  10

 5299 13:53:13.000237  # [   41.784222] R13: ffffffff9932fce0 R14: ffff8c7a4628c000<4>[   51.437346] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 5300 13:53:13.003540   R15: ffffb0908147ff10

 5301 13:53:13.016907  # [   41.792484] FS:  00007fe4c3dac740(0<4>[   51.525968] CPU: 0 PID: 2206 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 5302 13:53:13.020511  000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 5303 13:53:13.030075  # [   41.<4>[   51.541082] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5304 13:53:13.037202  801805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5305 13:53:13.043530  # [  <4>[   51.554394] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5306 13:53:13.069682   41.808513] CR2: ffffffff98e41080 CR3: 0000000106558002 CR4: 000<4>[   51.566737] Code: 88 34 22 99 c6 05 da 9e d5 02 01 e8 aa 1f c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 34 22 99 c6 05 c1 9e d5 02 01 e8 90 1f c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5307 13:53:13.070133  00000003706e0

 5308 13:53:13.082964  # [   41.816774] BUG: sleeping function called fr<4>[   51.594224] RSP: 0018:ffffb09082cafe58 EFLAGS: 00010282

 5309 13:53:13.086000  om invalid context at include/linux/percpu-rwsem.h:49

 5310 13:53:13.095879  # [   41.<4>[   51.606580] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 5311 13:53:13.109094  826978] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1<4>[   51.621049] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50

 5312 13:53:13.112818  748, name: cat

 5313 13:53:13.115554  # [   41.835725] INFO: lockdep is turned off.

 5314 13:53:13.125948  #<4>[   51.635551] RBP: 0000000000000016 R08: 0000000000000000 R09: 0000000000000000

 5315 13:53:13.128630   [   41.840393] irq event stamp: 0

 5316 13:53:13.138696  # [   41.844088] hardirqs la<4>[   51.650014] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082caff10

 5317 13:53:13.145226  st  enabled at (0): [<0000000000000000>] 0x0

 5318 13:53:13.155193  # [   41.851379] h<4>[   51.664518] R13: ffffffff992c8fd3 R14: ffff8c7a470ae000 R15: ffffb09082caff10

 5319 13:53:13.168299  ardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+<4>[   51.678984] FS:  00007f67b5143740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 5320 13:53:13.171537  0x6e1/0x2190

 5321 13:53:13.181437  # [   41.860806] softirqs last  enabled at (0): [<<4>[   51.694548] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5322 13:53:13.188308  ffffffff965001e1>] copy_process+0x6e1/0x2190

 5323 13:53:13.198222  # [   41.870233] s<4>[   51.707457] CR2: 00007f67b5122000 CR3: 0000000107d86003 CR4: 00000000003706f0

 5324 13:53:13.201328  oftirqs last disabled at (0): [<0000000000000000>] 0x0

 5325 13:53:13.204622  # [   41<4>[   51.721967] Call Trace:

 5326 13:53:13.218004  .877526] CPU: 3 PID: 1748 Comm: cat Tainted: G      D W         <4>[   51.731193]  ? __warn+0x80/0x110

 5327 13:53:13.218135  5.10.222-cip50 #1

 5328 13:53:13.227938  # [   41.886458] Hardware name: Google Rammus<4>[   51.741308]  ? refcount_warn_saturate+0xfb/0x110

 5329 13:53:13.231016  /Rammus, BIOS  09/04/2020

 5330 13:53:13.234361  # [   41.893552] Call Trace:

 5331 13:53:13.237869  # [   4<4>[   51.752970]  ? report_bug+0x99/0xc0

 5332 13:53:13.240693  1.896570]  dump_stack+0x77/0x9b

 5333 13:53:13.247198  # [   41.900560]  ___might_slee<4>[   51.763381]  ? handle_bug+0x41/0x80

 5334 13:53:13.250566  p.cold+0xa6/0xb7

 5335 13:53:13.254128  # [   41.905423]  exit_signals+0x1c/0x300

 5336 13:53:13.260668  # [<4>[   51.773771]  ? exc_invalid_op+0x13/0x60

 5337 13:53:13.264082     41.909703]  do_exit+0xbd/0xaa0

 5338 13:53:13.270450  # [   41.913490]  ? ksys_writ<4>[   51.784589]  ? asm_exc_invalid_op+0x12/0x20

 5339 13:53:13.270539  e+0x74/0xf0

 5340 13:53:13.277476  # [   41.917687]  make_task_dead+0x2e/0x30

 5341 13:53:13.283767  # [   4<4>[   51.795752]  ? refcount_warn_saturate+0xfb/0x110

 5342 13:53:13.287114  1.922064]  rewind_stack_and_make_dead+0x17/0x20

 5343 13:53:13.293663  # [   41.927596<4>[   51.807401]  ? refcount_warn_saturate+0xfb/0x110

 5344 13:53:13.297122  ] RIP: 0033:0x7fe4c3ea7240

 5345 13:53:13.307158  # [   41.931875] Code: 40 00 48 8b 1<4>[   51.819099]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x35/0x5f

 5346 13:53:13.316644  5 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00<4>[   51.830944]  direct_entry.cold+0x2c/0x38

 5347 13:53:13.326699   80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 f<4>[   51.841833]  full_proxy_write+0x53/0x80

 5348 13:53:13.333296  f ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5349 13:53:13.336952  # [   41.9<4>[   51.852669]  vfs_write+0xf0/0x3c0

 5350 13:53:13.346627  53151] RSP: 002b:00007ffda9f77808 EFLAGS: 00000202 ORIG_RAX: 000<4>[   51.862876]  ksys_write+0x74/0xf0

 5351 13:53:13.349705  0000000000001

 5352 13:53:13.359948  # [   41.961898] RAX: ffffffffffffffda RBX: 00000<4>[   51.873084]  do_syscall_64+0x30/0x40

 5353 13:53:13.363256  0000000000c RCX: 00007fe4c3ea7240

 5354 13:53:13.369905  # [   41.970157] RDX: 0000000<4>[   51.883595]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5355 13:53:13.376577  00000000c RSI: 00007fe4c3d8b000 RDI: 0000000000000001

 5356 13:53:13.382935  # [   41.<4>[   51.895725] RIP: 0033:0x7f67b523e240

 5357 13:53:13.409823  978417] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000<4>[   51.906253] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5358 13:53:13.410115  000000000

 5359 13:53:13.422725  # [   41.986679] R10: 00007fe4c3dc84d0 R11: 000000000<4>[   51.933776] RSP: 002b:00007ffeece446b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 5360 13:53:13.426278  0000202 R12: 00007fe4c3d8b000

 5361 13:53:13.439183  # [   41.994939] R13: 00000000000<4>[   51.948741] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f67b523e240

 5362 13:53:13.442708  00001 R14: 0000000000020000 R15: 0000000000000000

 5363 13:53:13.452331  # EXEC_RODATA<4>[   51.963216] RDX: 0000000000000016 RSI: 00007f67b5122000 RDI: 0000000000000001

 5364 13:53:13.455932  : saw 'call trace:': ok

 5365 13:53:13.459096  ok 34 selftests: lkdtm: EXEC_RODATA.sh

 5366 13:53:13.469044  <4>[   51.977713] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000

 5367 13:53:13.469479  

 5368 13:53:13.472181  # selftests: lkdtm: EXEC_USERSPACE.sh

 5369 13:53:13.472561  # Killed

 5370 13:53:13.482305  # [   42.12111<4>[   51.992200] R10: 00007f67b515f4d0 R11: 0000000000000202 R12: 00007f67b5122000

 5371 13:53:13.485324  3] lkdtm: Performing direct entry EXEC_USERSPACE

 5372 13:53:13.495186  # [   42.12768<4>[   52.006693] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 5373 13:53:13.501680  3] lkdtm: attempting ok execution at ffffffff96f954c0

 5374 13:53:13.505496  # [   42.<4>[   52.021165] irq event stamp: 0

 5375 13:53:13.511895  140712] lkdtm: attempting bad execution at 00007f222540e000

 5376 13:53:13.518249  # [<4>[   52.031083] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5377 13:53:13.524991     42.153820] unable to execute userspace code (SMEP?) (uid: 0)

 5378 13:53:13.534964  <4>[   52.044587] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5379 13:53:13.535352  

 5380 13:53:13.551362  # [   42.166732] BUG: unable to handle page fault for address: <4>[   52.060239] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5381 13:53:13.551755  00007f222540e000

 5382 13:53:13.564939  # [   42.174702] #PF: supervisor instruction f<4>[   52.075905] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5383 13:53:13.567726  etch in kernel mode

 5384 13:53:13.577890  # [   42.181311] #PF: error_code(0x0011) - <4>[   52.089422] ---[ end trace 242e5a7a3af61ddc ]---

 5385 13:53:13.578342  permissions violation

 5386 13:53:13.587938  # [   42.187823] PGD 800000010662d067 P4D<6>[   52.101106] lkdtm: Negative detected: saturated

 5387 13:53:13.594768   800000010662d067 PUD 10662c067 PMD 103ec0067 PTE 10c224067

 5388 13:53:13.597555  # [   42.204050] Oops: 0011 [#10] SMP PTI

 5389 13:53:13.607254  # [   42.208330] CPU: 1 PID: 1785 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 5390 13:53:13.613927  # [   42.217269] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5391 13:53:13.616824  # [   42.224364] RIP: 0010:0x7f222540e000

 5392 13:53:13.626962  # [   42.228643] Code: Unable to access opcode bytes at RIP 0x7f222540dfd6.

 5393 13:53:13.630023  # [   42.236223] RSP: 0018:ffffb09082617e60 EFLAGS: 00010246

 5394 13:53:13.640011  # [   42.242347] RAX: 0000000000000033 RBX: 00007f222540e000 RCX: 0000000000000000

 5395 13:53:13.646697  # [   42.250623] RDX: 0000000000000000 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50

 5396 13:53:13.656520  # [   42.258882] RBP: 000000000000000f R08: 0000000000000000 R09: 0000000000000000

 5397 13:53:13.663180  # [   42.267143] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082617f10

 5398 13:53:13.673106  # [   42.275403] R13: ffffffff992c8f37 R14: ffff8c7a42b98000 R15: ffffb09082617f10

 5399 13:53:13.679580  # [   42.283674] FS:  00007f2225227740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 5400 13:53:13.686498  # [   42.293004] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5401 13:53:13.696293  # [   42.299712] CR2: 00007f222540e000 CR3: 0000000107972002 CR4: 00000000003706e0

 5402 13:53:13.699758  # [   42.307964] Call Trace:

 5403 13:53:13.702891  # [   42.310984]  ? __die_body.cold+0x1a/0x1f

 5404 13:53:13.709418  # [   42.321872]  ? no_context.constprop.0+0x121/0x320

 5405 13:53:13.712702  # [   42.327419]  ? exc_page_fault+0x4e/0x160

 5406 13:53:13.719550  # [   42.338299]  ? asm_exc_page_fault+0x1e/0x30

 5407 13:53:13.722711  # [   42.343264]  ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae

 5408 13:53:13.729164  # [   42.355119]  ? direct_entry.cold+0x2c/0x38

 5409 13:53:13.732639  # [   42.359976]  ? full_proxy_write+0x53/0x80

 5410 13:53:13.735714  # [   42.364744]  ? vfs_write+0xf0/0x3c0

 5411 13:53:13.742244  # [   42.375139]  ? ksys_write+0x74/0xf0

 5412 13:53:13.745545  # [   42.379315]  ? do_syscall_64+0x30/0x40

 5413 13:53:13.752236  # [   42.383790]  ? entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5414 13:53:13.762102  # [   42.389918] Modules linked in: f<6>[   52.279690] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 5415 13:53:13.771953  <6>[   52.288324] lkdtm: attempting bad refcount_dec_and_test() below zero

 5416 13:53:13.775199  <4>[   52.295722] ------------[ cut here ]------------

 5417 13:53:13.782102  <4>[   52.301179] refcount_t: underflow; use-after-free.

 5418 13:53:13.792209  <4>[   52.306879] WARNING: CPU: 2 PID: 2242 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 5419 13:53:13.881197  use ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_<4>[   52.316606] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 5420 13:53:13.888350  <4>[   52.405191] CPU: 2 PID: 2242 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 5421 13:53:13.897899  <4>[   52.414167] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5422 13:53:13.900959  <4>[   52.421267] RIP: 0010:refcount_warn_saturate+0xba/0x110

 5423 13:53:13.924518  <4>[   52.427397] Code: 02 01 e8 f4 1f c3 00 0f 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 99 c6 05 03 9f d5 02 01 e8 d1 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d ee 9e d5 02 00 0f 85 5e ff ff ff 48 c7

 5424 13:53:13.931002  <4>[   52.448675] RSP: 0018:ffffb09082cf7e50 EFLAGS: 00010286

 5425 13:53:13.938727  <4>[   52.454805] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 5426 13:53:13.948122  <4>[   52.463071] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 5427 13:53:13.954623  <4>[   52.471337] RBP: 000000000000001f R08: 0000000000000000 R09: 0000000000000000

 5428 13:53:13.964570  <4>[   52.479619] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082cf7f10

 5429 13:53:13.977752  core industrialio_triggered_buffer kfifo_buf industrialio btusb <4>[   52.487894] R13: ffffffff992c8c28 R14: ffff8c7a4628f000 R15: ffffb09082cf7f10

 5430 13:53:13.987474  <4>[   52.502374] FS:  00007f21ba6c4740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 5431 13:53:13.994888  <4>[   52.511731] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5432 13:53:14.000998  <4>[   52.518441] CR2: 00007f21ba6a3000 CR3: 0000000102bd2001 CR4: 00000000003706e0

 5433 13:53:14.003939  <4>[   52.526706] Call Trace:

 5434 13:53:14.007568  <4>[   52.529730]  ? __warn+0x80/0x110

 5435 13:53:14.021241  btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_ch<4>[   52.533653]  ? refcount_warn_saturate+0xba/0x110

 5436 13:53:14.023883  <4>[   52.545311]  ? report_bug+0x99/0xc0

 5437 13:53:14.030404  <4>[   52.549528]  ? handle_bug+0x41/0x80

 5438 13:53:14.040523  ardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec<4>[   52.553742]  ? exc_invalid_op+0x13/0x60

 5439 13:53:14.050654  _lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc int<4>[   52.564532]  ? asm_exc_invalid_op+0x12/0x20

 5440 13:53:14.057383  <4>[   52.575728]  ? refcount_warn_saturate+0xba/0x110

 5441 13:53:14.070132  el_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_<4>[   52.581190]  __refcount_sub_and_test.constprop.0+0x34/0x40

 5442 13:53:14.077405  <4>[   52.593819]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3a/0x74

 5443 13:53:14.080066  <4>[   52.600339]  direct_entry.cold+0x2c/0x38

 5444 13:53:14.083620  <4>[   52.605042]  full_proxy_write+0x53/0x80

 5445 13:53:14.090478  <4>[   52.609642]  vfs_write+0xf0/0x3c0

 5446 13:53:14.100114  da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_<4>[   52.613642]  ksys_write+0x74/0xf0

 5447 13:53:14.103449  <4>[   52.623845]  do_syscall_64+0x30/0x40

 5448 13:53:14.116583  core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_<4>[   52.628133]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5449 13:53:14.119945  <4>[   52.640281] RIP: 0033:0x7f21ba7bf240

 5450 13:53:14.139883  <4>[   52.644584] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5451 13:53:14.149698  <4>[   52.665866] RSP: 002b:00007ffe59dca278 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 5452 13:53:14.159566  <4>[   52.674663] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f21ba7bf240

 5453 13:53:14.166483  <4>[   52.682959] RDX: 000000000000001f RSI: 00007f21ba6a3000 RDI: 0000000000000001

 5454 13:53:14.176155  <4>[   52.691224] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000

 5455 13:53:14.182814  <4>[   52.699487] R10: 00007f21ba6e04d0 R11: 0000000000000202 R12: 00007f21ba6a3000

 5456 13:53:14.192741  <4>[   52.707750] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 5457 13:53:14.195830  <4>[   52.716018] irq event stamp: 0

 5458 13:53:14.209197  ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64<4>[   52.719743] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5459 13:53:14.219090  <4>[   52.733251] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5460 13:53:14.229113  <4>[   52.742707] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5461 13:53:14.235614  <4>[   52.752137] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5462 13:53:14.238934  <4>[   52.759430] ---[ end trace 242e5a7a3af61ddd ]---

 5463 13:53:14.245899  <6>[   52.764878] lkdtm: Negative detected: saturated

 5464 13:53:14.268556   ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 5465 13:53:14.272626  # [   42.478499] CR2: 00007f222540e000

 5466 13:53:14.278533  # [   42.482480] ---[ end trace 242e5a7a3af61dd0 ]---

 5467 13:53:14.281821  # [   42.487926] RIP: 0010:lkdtm_BUG+0x5/0x10

 5468 13:53:14.301719  # [   42.492584] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 5469 13:53:14.307998  # [   42.513860] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 5470 13:53:14.318427  # [   42.519983] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 5471 13:53:14.324769  # [   42.528245] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 5472 13:53:14.334821  # [   42.536505] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 5473 13:53:14.341262  # [   42.544768] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 5474 13:53:14.351396  # [   42.553031] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 5475 13:53:14.357726  # [   42.567508] FS:  00007f2225227740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 5476 13:53:14.364388  # [   42.576837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5477 13:53:14.374421  # [   42.583544] CR2: 00007f222540e000 CR3: 0000000107972002 CR4: 00000000003706e0

 5478 13:53:14.377496  # EXEC_USERSPACE: saw 'call trace:': ok

 5479 13:53:14.381238  ok 35 selftests: lkdtm: EXEC_USERSPACE.sh

 5480 13:53:14.384555  # selftests: lkdtm: EXEC_NULL.sh

 5481 13:53:14.387533  # Killed

 5482 13:53:14.390855  # [   42.703687] lkdtm: Performing direct entry EXEC_NULL

 5483 13:53:14.404033  # [   42.715741] lkdtm: at<6>[   52.914182] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 5484 13:53:14.407146  tempting ok execution at ffffffff96f954c0

 5485 13:53:14.417396  # [   42.722582] lkdt<6>[   52.927450] lkdtm: attempting bad refcount_sub_and_test() below zero

 5486 13:53:14.420710  m: attempting bad execution at 0000000000000000

 5487 13:53:14.427451  # [   42.729535<4>[   52.941069] ------------[ cut here ]------------

 5488 13:53:14.440383  ] BUG: kernel NULL pointer dereference, address: 000000000000000<4>[   52.952719] refcount_t: underflow; use-after-free.

 5489 13:53:14.440916  0

 5490 13:53:14.456780  # [   42.737612] #PF: supervisor instruction fetch in kernel <4>[   52.964666] WARNING: CPU: 0 PID: 2278 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 5491 13:53:14.457350  mode

 5492 13:53:14.543040  # [   42.750436] #PF: error_code(0x0010) - not-present pag<4>[   52.980533] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 5493 13:53:14.546000  e

 5494 13:53:14.546388  # [   42.756456] PGD 0 P4D 0 

 5495 13:53:14.559780  # [   42.759575] Oops: 0010 [#<4>[   53.069137] CPU: 0 PID: 2278 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 5496 13:53:14.560217  11] SMP PTI

 5497 13:53:14.572725  # [   42.770067] CPU: 2 PID: 1822 Comm: cat Tainted<4>[   53.084271] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5498 13:53:14.576587  : G      D W         5.10.222-cip50 #1

 5499 13:53:14.585884  # [   42.779012] Hardwar<4>[   53.097627] RIP: 0010:refcount_warn_saturate+0xba/0x110

 5500 13:53:14.589282  e name: Google Rammus/Rammus, BIOS  09/04/2020

 5501 13:53:14.612294  # [   42.792325]<4>[   53.109948] Code: 02 01 e8 f4 1f c3 00 0f 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 99 c6 05 03 9f d5 02 01 e8 d1 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d ee 9e d5 02 00 0f 85 5e ff ff ff 48 c7

 5502 13:53:14.615865   RIP: 0010:0x0

 5503 13:53:14.625654  # [   42.795538] Code: Unable to access opcode b<4>[   53.137489] RSP: 0018:ffffb09082da7e50 EFLAGS: 00010286

 5504 13:53:14.629009  ytes at RIP 0xffffffffffffffd6.

 5505 13:53:14.638608  # [   42.803507] RSP: 0018:ffff<4>[   53.149818] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 5506 13:53:14.642453  b0908269fe58 EFLAGS: 00010246

 5507 13:53:14.655440  # [   42.809625] RAX: 00000000000<4>[   53.164347] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50

 5508 13:53:14.658726  00033 RBX: 0000000000000000 RCX: 0000000000000000

 5509 13:53:14.668322  # [   42.8178<4>[   53.178814] RBP: 000000000000001f R08: 0000000000000000 R09: 0000000000000000

 5510 13:53:14.681675  85] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad<4>[   53.193346] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082da7f10

 5511 13:53:14.684958  1bf50

 5512 13:53:14.698478  # [   42.826145] RBP: 0000000000000000 R08: 0000000000000<4>[   53.207807] R13: ffffffff992c8c48 R14: ffff8c7a46600000 R15: ffffb09082da7f10

 5513 13:53:14.701398  000 R09: 0000000000000000

 5514 13:53:14.714842  # [   42.834405] R10: 00000000ffffdff<4>[   53.222333] FS:  00007f1f6c55b740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 5515 13:53:14.718119  f R11: ffffffff9948ffc0 R12: ffffb0908269ff10

 5516 13:53:14.724824  # [   42.842686] <4>[   53.237866] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5517 13:53:14.741472  R13: ffffffff992c8f46 R14: ffff8c7a45137000 R15: ffffb0908269ff1<4>[   53.250857] CR2: 00007f1f6c53a000 CR3: 00000001071c8001 CR4: 00000000003706f0

 5518 13:53:14.741906  0

 5519 13:53:14.751667  # [   42.850947] FS:  00007f081958e740(0000) GS:ffff8c7abad00<4>[   53.265310] Call Trace:

 5520 13:53:14.755121  000(0000) knlGS:0000000000000000

 5521 13:53:14.760991  # [   42.860267] CS:  0010 DS:<4>[   53.274586]  ? __warn+0x80/0x110

 5522 13:53:14.764469   0000 ES: 0000 CR0: 0000000080050033

 5523 13:53:14.771284  # [   42.866972] CR2: ffff<4>[   53.284681]  ? refcount_warn_saturate+0xba/0x110

 5524 13:53:14.777741  ffffffffffd6 CR3: 00000001062de001 CR4: 00000000003706e0

 5525 13:53:14.781097  # [   <4>[   53.296365]  ? report_bug+0x99/0xc0

 5526 13:53:14.784487  42.875233] Call Trace:

 5527 13:53:14.790814  # [   42.878253]  ? __die_body.cold+0x1a<4>[   53.306764]  ? handle_bug+0x41/0x80

 5528 13:53:14.794305  /0x1f

 5529 13:53:14.797646  # [   42.882923]  ? no_context.constprop.0+0x121/0x320

 5530 13:53:14.804557  #<4>[   53.317201]  ? exc_invalid_op+0x13/0x60

 5531 13:53:14.807825   [   42.888467]  ? exc_page_fault+0x4e/0x160

 5532 13:53:14.814307  # [   42.893135]  <4>[   53.327981]  ? asm_exc_invalid_op+0x12/0x20

 5533 13:53:14.817430  ? asm_exc_page_fault+0x1e/0x30

 5534 13:53:14.827350  # [   42.898090]  execute_locati<4>[   53.339225]  ? refcount_warn_saturate+0xba/0x110

 5535 13:53:14.827740  on+0x46/0x57

 5536 13:53:14.830453  # [   42.902680]  direct_entry.cold+0x2c/0x38

 5537 13:53:14.840549  # [<4>[   53.350860]  __refcount_sub_and_test.constprop.0+0x34/0x40

 5538 13:53:14.843980     42.907350]  full_proxy_write+0x53/0x80

 5539 13:53:14.850506  # [   42.911922]  vfs<4>[   53.363558]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3c/0x79

 5540 13:53:14.853966  _write+0xf0/0x3c0

 5541 13:53:14.857013  # [   42.915901]  ksys_write+0x74/0xf0

 5542 13:53:14.863651  # [  <4>[   53.376264]  direct_entry.cold+0x2c/0x38

 5543 13:53:14.867183   42.919889]  do_syscall_64+0x30/0x40

 5544 13:53:14.873439  # [   42.924169]  entry_SY<4>[   53.387206]  full_proxy_write+0x53/0x80

 5545 13:53:14.877219  SCALL_64_after_hwframe+0x67/0xd1

 5546 13:53:14.883716  # [   42.930099] RIP: 0033:0x7<4>[   53.397969]  vfs_write+0xf0/0x3c0

 5547 13:53:14.884106  f0819689240

 5548 13:53:14.893535  # [   42.934371] Code: 40 00 48 8b 15 c1 9b 0d 00 f<4>[   53.408251]  ksys_write+0x74/0xf0

 5549 13:53:14.903475  7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e<4>[   53.418436]  do_syscall_64+0x30/0x40

 5550 13:53:14.916565   00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0<4>[   53.428974]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5551 13:53:14.920010  f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5552 13:53:14.926377  # [   42.955635] RSP: 002<4>[   53.441110] RIP: 0033:0x7f1f6c656240

 5553 13:53:14.933166  b:00007fff56747978 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 5554 13:53:14.952916  <4>[   53.451623] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5555 13:53:14.969249  # [   42.964381] RAX: ffffffffffffffda RBX: 000000000000000a RCX<4>[   53.479119] RSP: 002b:00007fff477b2808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 5556 13:53:14.972616  : 00007f0819689240

 5557 13:53:14.982717  # [   42.972641] RDX: 000000000000000a RSI: <4>[   53.494110] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f1f6c656240

 5558 13:53:14.992613  <4>[   53.508555] RDX: 000000000000001f RSI: 00007f1f6c53a000 RDI: 0000000000000001

 5559 13:53:14.996029  00007f081956d000 RDI: 0000000000000001

 5560 13:53:15.005734  # [   42.980899] RBP: 00<4>[   53.516866] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000

 5561 13:53:15.012371  0000000000000a R08: 00000000ffffffff R09: 0000000000000000

 5562 13:53:15.022633  # [ <4>[   53.531335] R10: 00007f1f6c5774d0 R11: 0000000000000202 R12: 00007f1f6c53a000

 5563 13:53:15.035621    42.989160] R10: 00007f08195aa4d0 R11: 0000000000000202 R12: 00<4>[   53.545824] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 5564 13:53:15.039112  007f081956d000

 5565 13:53:15.045244  # [   42.997421] R13: 0000000000000001 R14: 0000<4>[   53.560329] irq event stamp: 0

 5566 13:53:15.048713  000000020000 R15: 0000000000000000

 5567 13:53:15.058757  # [   43.005685] Modules lin<4>[   53.570208] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5568 13:53:15.075343  ked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec<4>[   53.583764] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5569 13:53:15.091428  _sensors_core industrialio_triggered_buffer kfifo_buf industrial<4>[   53.599433] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5570 13:53:15.104806  io btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub c<4>[   53.615084] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5571 13:53:15.115188  ros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charge<4>[   53.628580] ---[ end trace 242e5a7a3af61dde ]---

 5572 13:53:15.128385  r cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vm<6>[   53.640257] lkdtm: Negative detected: saturated

 5573 13:53:15.173917  alloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 5574 13:53:15.180432  # [   43.094298] CR2: 0000000000000000

 5575 13:53:15.183646  # [   43.098277] ---[ end trace 242e5a7a3af61dd1 ]---

 5576 13:53:15.190180  # [   43.103722] RIP: 0010:lkdtm_BUG+0x5/0x10

 5577 13:53:15.210527  # [   43.108388] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 5578 13:53:15.216903  # [   43.129660] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 5579 13:53:15.223478  # [   43.135828] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 5580 13:53:15.233382  # [   43.144089] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 5581 13:53:15.240010  # [   43.152350] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 5582 13:53:15.250248  # [   43.160623] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 5583 13:53:15.256816  # [   43.168884] R13: f<6>[   53.775465] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 5584 13:53:15.266546  <6>[   53.782747] lkdtm: attempting safe refcount_inc_not_zero() from zero

 5585 13:53:15.269948  <6>[   53.790146] lkdtm: Good: zero detected

 5586 13:53:15.276478  fffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 5587 13:53:15.279916  # [<6>[   53.794656] lkdtm: Correctly stayed at zero

 5588 13:53:15.292882     43.177143] FS:  00007f081958e740(0000) GS:ffff8c7abad00000(00<6>[   53.805834] lkdtm: attempting bad refcount_inc() from zero

 5589 13:53:15.299448  <4>[   53.818470] ------------[ cut here ]------------

 5590 13:53:15.302961  00) knlGS:0000000000000000

 5591 13:53:15.309709  # [   43.186470] CS:  0010 DS: 0000 <4>[   53.823921] refcount_t: addition on 0; use-after-free.

 5592 13:53:15.319756  <4>[   53.836197] WARNING: CPU: 2 PID: 2311 at lib/refcount.c:25 refcount_warn_saturate+0x97/0x110

 5593 13:53:15.323396  ES: 0000 CR0: 0000000080050033

 5594 13:53:15.408808  # [   43.193177] CR2: ffffffffff<4>[   53.845927] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 5595 13:53:15.419526  <4>[   53.934545] CPU: 2 PID: 2311 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 5596 13:53:15.425876  ffffd6 CR3: 00000001062de001 CR4: 00000000003706e0

 5597 13:53:15.432590  # [   43.201<4>[   53.943506] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5598 13:53:15.438689  <4>[   53.956810] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5599 13:53:15.458745  <4>[   53.962971] Code: 02 01 e8 17 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22 99 c6 05 27 9f d5 02 01 e8 f4 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22

 5600 13:53:15.465175  <4>[   53.984283] RSP: 0018:ffffb09082e37e58 EFLAGS: 00010282

 5601 13:53:15.475165  <4>[   53.990414] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 5602 13:53:15.481845  <4>[   53.998683] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 5603 13:53:15.491829  <4>[   54.006950] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000

 5604 13:53:15.498114  <4>[   54.015216] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082e37f10

 5605 13:53:15.507856  <4>[   54.023484] R13: ffffffff992c8fe9 R14: ffff8c7a479ea000 R15: ffffb09082e37f10

 5606 13:53:15.518680  <4>[   54.031750] FS:  00007ff80c699740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 5607 13:53:15.524449  <4>[   54.041086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5608 13:53:15.531017  <4>[   54.047799] CR2: 00007ff80c678000 CR3: 0000000105274006 CR4: 00000000003706e0

 5609 13:53:15.534428  <4>[   54.056067] Call Trace:

 5610 13:53:15.537798  <4>[   54.059093]  ? __warn+0x80/0x110

 5611 13:53:15.551202  436] BUG: sleeping function called from invalid context at inclu<4>[   54.063017]  ? refcount_warn_saturate+0x97/0x110

 5612 13:53:15.554836  <4>[   54.074697]  ? report_bug+0x99/0xc0

 5613 13:53:15.557939  <4>[   54.078919]  ? handle_bug+0x41/0x80

 5614 13:53:15.564216  <4>[   54.083137]  ? exc_invalid_op+0x13/0x60

 5615 13:53:15.564668  de/linux/percpu-rwsem.h:49

 5616 13:53:15.574253  # [   43.211637] in_atomic(): 0, irq<4>[   54.087717]  ? asm_exc_invalid_op+0x12/0x20

 5617 13:53:15.580800  s_disabled(): 1, non_block: 0, pid: 1822, name: cat

 5618 13:53:15.587268  # [   43.22<4>[   54.098896]  ? refcount_warn_saturate+0x97/0x110

 5619 13:53:15.591173  <4>[   54.110564]  ? refcount_warn_saturate+0x97/0x110

 5620 13:53:15.594109  0380] INFO: lockdep is turned off.

 5621 13:53:15.603742  # [   43.225047] irq event s<4>[   54.116041]  lkdtm_REFCOUNT_INC_ZERO+0x95/0xbd

 5622 13:53:15.607117  <4>[   54.127508]  direct_entry.cold+0x2c/0x38

 5623 13:53:15.613772  <4>[   54.132213]  full_proxy_write+0x53/0x80

 5624 13:53:15.617458  <4>[   54.136822]  vfs_write+0xf0/0x3c0

 5625 13:53:15.620701  <4>[   54.140846]  ksys_write+0x74/0xf0

 5626 13:53:15.623949  <4>[   54.144842]  do_syscall_64+0x30/0x40

 5627 13:53:15.630307  <4>[   54.149158]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5628 13:53:15.634150  <4>[   54.155095] RIP: 0033:0x7ff80c794240

 5629 13:53:15.656992  <4>[   54.159410] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5630 13:53:15.663995  <4>[   54.180696] RSP: 002b:00007ffc10d58218 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 5631 13:53:15.673471  <4>[   54.189480] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff80c794240

 5632 13:53:15.679943  <4>[   54.197748] RDX: 0000000000000012 RSI: 00007ff80c678000 RDI: 0000000000000001

 5633 13:53:15.690015  <4>[   54.206014] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000

 5634 13:53:15.696957  <4>[   54.214282] R10: 00007ff80c6b54d0 R11: 0000000000000202 R12: 00007ff80c678000

 5635 13:53:15.706862  <4>[   54.222549] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 5636 13:53:15.709796  <4>[   54.230819] irq event stamp: 0

 5637 13:53:15.710226  tamp: 0

 5638 13:53:15.723519  # [   43.228744] hardirqs last  enabled at (0): [<00000<4>[   54.234546] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5639 13:53:15.733339  <4>[   54.248052] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5640 13:53:15.742905  <4>[   54.257490] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5641 13:53:15.749311  <4>[   54.266921] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5642 13:53:15.756068  <4>[   54.274215] ---[ end trace 242e5a7a3af61ddf ]---

 5643 13:53:15.759599  <6>[   54.279681] lkdtm: Zero detected: saturated

 5644 13:53:15.762562  00000000000>] 0x0

 5645 13:53:15.772816  # [   43.236034] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5646 13:53:15.779033  # [   43.245453] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5647 13:53:15.788830  # [   43.254879] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5648 13:53:15.795650  # [   43.262168] CPU: 2 PID: 1822 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 5649 13:53:15.802141  # [   43.271107] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5650 13:53:15.805543  # [   43.278201] Call Trace:

 5651 13:53:15.812167  # [   43.281219]  dump_stack+0x77/0x9b

 5652 13:53:15.815969  # [   43.285209]  ___might_sleep.cold+0xa6/0xb7

 5653 13:53:15.818921  # [   43.290073]  exit_signals+0x1c/0x300

 5654 13:53:15.822093  # [   43.294354]  do_exit+0xbd/0xaa0

 5655 13:53:15.828970  # [   43.298139]  ? ksys_write+0x74/0xf0

 5656 13:53:15.832221  # [   43.302323]  make_task_dead+0x2e/0x30

 5657 13:53:15.838711  # [   43.306702]  rewind_stack_and_make_dead+0x17/0x20

 5658 13:53:15.842378  # [   43.312245] RIP: 0033:0x7f0819689240

 5659 13:53:15.864828  # [   43.316524] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5660 13:53:15.871675  # [   43.337800] RSP: 002b:00007fff56747978 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 5661 13:53:15.881847  # [   43.346546] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0819689240

 5662 13:53:15.891001  # [   43.354807] RDX: 000000000000000a RSI: 00007f081956d000 RDI: 0000000000000001

 5663 13:53:15.897966  # [   43.363068] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000

 5664 13:53:15.907818  # [   43.371329] R10: 00007f08195aa4d0 R11: 0000000000000202 R12: 00007f081956d000

 5665 13:53:15.914171  # [   43.379590] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 5666 13:53:15.917778  # EXEC_NULL: saw 'call trace:': ok

 5667 13:53:15.921226  ok 36 selftests: lkdtm: EXEC_NULL.sh

 5668 13:53:15.928036  # selftests: lkdtm: ACCESS_USERSPACE.sh

 5669 13:53:15.928541  # Killed

 5670 13:53:15.934253  # [   43.507387] lkdtm: Performing direct entry ACCESS_USERSPACE

 5671 13:53:15.941265  # [   43.518717] lkdtm: attempting bad read at 00007f237decf000

 5672 13:53:15.950977  # [   43.525150] BUG: unable to handle page fault for address: 00007f237decf000

 5673 13:53:15.953813  # [   43.533126] #PF: supervisor read access in kernel mode

 5674 13:53:15.960897  # [   43.539156] #PF: error_code(0x0001) - permissions violation

 5675 13:53:15.973708  # [   43.545669] PGD 80000001071f5067 P4D 80000001071f5067 PUD 1032f1067 PMD 106735067 PTE 10c0e0067

 5676 13:53:15.977168  # [   43.561898] Oops: 0001 [#12] SMP PTI

 5677 13:53:15.987091  # [   43.566180] CPU: 3 PID: 1858 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 5678 13:53:15.993345  # [   43.575121] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5679 13:53:16.000155  # [   43.582220] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa1

 5680 13:53:16.019711  # [   43.588734] Code: 00 00 00 75 62 48 83 c4 10 5b c3 cc cc cc cc 48 89 de 48 c7 c7 70 9e 2c 99 e8 db eb fb ff 48 c7 c7 98 9e 2c 99 b8 de c0 de c0 <48> 03 03 48 89 04 24 e8 c3 eb fb ff 48 89 de 48 c7 c7 c0 9e 2c 99

 5681 13:53:16.025981  # [   43.609999] RSP: 0018:ffffb09082717e58 EFLAGS: 00010246

 5682 13:53:16.032859  # [   43.616124] RAX: 00000000c0dec0de RBX: 00007f237decf000 RCX: 0000000000000000

 5683 13:53:16.043198  # [   43.624386] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffffffff992c9e98

 5684 13:53:16.049472  # [   43.632649] RBP: 0000000000000011 R08: 0000000000000000 R09: 0000000000000000

 5685 13:53:16.059325  # [   43.640910] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082717f10

 5686 13:53:16.066093  # [   43.649171] R13: ffffffff992c8f50 R14: ffff8c7a4670a000 R15: ffffb09082717f10

 5687 13:53:16.075806  # [   43.657433] FS:  00007f237dce8740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 5688 13:53:16.082576  # [   43.666762] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5689 13:53:16.089029  # [<6>[   54.606397] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 5690 13:53:16.102034     43.673469] CR2: 00007f237decf000 CR3: 0000000107972005 CR4: 0<6>[   54.614554] lkdtm: attempting safe refcount_add_not_zero() from zero

 5691 13:53:16.105972  0000000003706e0

 5692 13:53:16.108679  # [   43.681728] Call Trace:

 5693 13:53:16.115719  # [   43.684747] <6>[   54.628160] lkdtm: Good: zero detected

 5694 13:53:16.118601  <6>[   54.638852] lkdtm: Correctly stayed at zero

 5695 13:53:16.125336  <6>[   54.643820] lkdtm: attempting bad refcount_add() from zero

 5696 13:53:16.132087  <4>[   54.650242] ------------[ cut here ]------------

 5697 13:53:16.135208  <4>[   54.655724] refcount_t: addition on 0; use-after-free.

 5698 13:53:16.145433  <4>[   54.661786] WARNING: CPU: 2 PID: 2344 at lib/refcount.c:25 refcount_warn_saturate+0x97/0x110

 5699 13:53:16.148696   ? __die_body.cold+0x1a/0x1f

 5700 13:53:16.235313  # [   43.689418]  ? no_context.con<4>[   54.671526] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 5701 13:53:16.244667  <4>[   54.760098] CPU: 2 PID: 2344 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 5702 13:53:16.251627  <4>[   54.769076] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5703 13:53:16.258143  <4>[   54.776178] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5704 13:53:16.277525  <4>[   54.782339] Code: 02 01 e8 17 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22 99 c6 05 27 9f d5 02 01 e8 f4 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22

 5705 13:53:16.284312  <4>[   54.803666] RSP: 0018:ffffb09082eb7e58 EFLAGS: 00010282

 5706 13:53:16.294381  <4>[   54.809827] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 5707 13:53:16.300601  <4>[   54.818094] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 5708 13:53:16.310415  <4>[   54.826362] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000

 5709 13:53:16.310968  stprop.0+0x121/0x320

 5710 13:53:16.324400  # [   43.694961]  ? exc_page_fault+0x4e/0x<4>[   54.834629] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082eb7f10

 5711 13:53:16.333715  <4>[   54.849112] R13: ffffffff992c8ffb R14: ffff8c7a42af4000 R15: ffffb09082eb7f10

 5712 13:53:16.343738  <4>[   54.857379] FS:  00007ff3602c4740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 5713 13:53:16.350184  <4>[   54.866713] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5714 13:53:16.356952  <4>[   54.873425] CR2: 00007ff3602a3000 CR3: 0000000108678002 CR4: 00000000003706e0

 5715 13:53:16.360493  <4>[   54.881691] Call Trace:

 5716 13:53:16.363650  <4>[   54.884718]  ? __warn+0x80/0x110

 5717 13:53:16.364284  160

 5718 13:53:16.370225  # [   43.699630]  ? asm_exc_page_fault+0x1e/0x30

 5719 13:53:16.376536  # [   43.<4>[   54.888640]  ? refcount_warn_saturate+0x97/0x110

 5720 13:53:16.379965  704591]  ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa1

 5721 13:53:16.386430  # [   43.71042<4>[   54.900300]  ? report_bug+0x99/0xc0

 5722 13:53:16.390134  4]  ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa1

 5723 13:53:16.396735  # [   43.716258]  d<4>[   54.910704]  ? handle_bug+0x41/0x80

 5724 13:53:16.399968  <4>[   54.921109]  ? exc_invalid_op+0x13/0x60

 5725 13:53:16.406381  <4>[   54.925717]  ? asm_exc_invalid_op+0x12/0x20

 5726 13:53:16.413716  <4>[   54.930718]  ? refcount_warn_saturate+0x97/0x110

 5727 13:53:16.414226  irect_entry.cold+0x2c/0x38

 5728 13:53:16.423508  # [   43.720920]  full_proxy_write+0<4>[   54.936188]  ? refcount_warn_saturate+0x97/0x110

 5729 13:53:16.429869  <4>[   54.947846]  lkdtm_REFCOUNT_ADD_ZERO+0x95/0xbd

 5730 13:53:16.433289  <4>[   54.953135]  direct_entry.cold+0x2c/0x38

 5731 13:53:16.436543  <4>[   54.957841]  full_proxy_write+0x53/0x80

 5732 13:53:16.443762  <4>[   54.962450]  vfs_write+0xf0/0x3c0

 5733 13:53:16.446312  <4>[   54.966475]  ksys_write+0x74/0xf0

 5734 13:53:16.450099  <4>[   54.970498]  do_syscall_64+0x30/0x40

 5735 13:53:16.456331  <4>[   54.974786]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5736 13:53:16.459825  <4>[   54.980752] RIP: 0033:0x7ff3603bf240

 5737 13:53:16.482842  <4>[   54.985037] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5738 13:53:16.489447  <4>[   55.006320] RSP: 002b:00007ffd23321c78 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 5739 13:53:16.499445  <4>[   55.015075] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff3603bf240

 5740 13:53:16.506152  <4>[   55.023368] RDX: 0000000000000012 RSI: 00007ff3602a3000 RDI: 0000000000000001

 5741 13:53:16.515959  <4>[   55.031636] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000

 5742 13:53:16.516473  x53/0x80

 5743 13:53:16.519425  # [   43.725491]  vfs_write+0xf0/0x3c0

 5744 13:53:16.529110  # [   43.72947<4>[   55.039910] R10: 00007ff3602e04d0 R11: 0000000000000202 R12: 00007ff3602a3000

 5745 13:53:16.539225  <4>[   55.054386] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 5746 13:53:16.542365  <4>[   55.062671] irq event stamp: 0

 5747 13:53:16.549054  <4>[   55.066404] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5748 13:53:16.558848  <4>[   55.073701] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5749 13:53:16.568674  <4>[   55.083134] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5750 13:53:16.575479  <4>[   55.092566] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5751 13:53:16.581695  <4>[   55.099862] ---[ end trace 242e5a7a3af61de0 ]---

 5752 13:53:16.585023  <6>[   55.105313] lkdtm: Zero detected: saturated

 5753 13:53:16.588403  8]  ksys_write+0x74/0xf0

 5754 13:53:16.591984  # [   43.733467]  do_syscall_64+0x30/0x40

 5755 13:53:16.598986  # [   43.737748]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5756 13:53:16.601766  # [   43.743678] RIP: 0033:0x7f237dde3240

 5757 13:53:16.625079  # [   43.747949] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5758 13:53:16.631619  # [   43.769222] RSP: 002b:00007ffd72741558 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 5759 13:53:16.641737  # [   43.777969] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f237dde3240

 5760 13:53:16.648037  # [   43.786230] RDX: 0000000000000011 RSI: 00007f237dcc7000 RDI: 0000000000000001

 5761 13:53:16.657748  # [   43.794488] RBP: 0000000000000011 R08: 00000000ffffffff R09: 0000000000000000

 5762 13:53:16.664656  # [   43.802749] R10: 00007f237dd044d0 R11: 0000000000000202 R12: 00007f237dcc7000

 5763 13:53:16.674023  # [   43.811009] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 5764 13:53:16.740609  # [   43.819271] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf <6>[   55.256069] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 5765 13:53:16.750308  <6>[   55.266587] lkdtm: attempting bad refcount_inc() from saturated

 5766 13:53:16.753413  <4>[   55.273525] ------------[ cut here ]------------

 5767 13:53:16.766788  snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal in<4>[   55.279007] refcount_t: saturated; leaking memory.

 5768 13:53:16.783331  t340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_therma<4>[   55.290875] WARNING: CPU: 2 PID: 2380 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5769 13:53:16.869041  l_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstor<4>[   55.306800] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 5770 13:53:16.879265  <4>[   55.395453] CPU: 2 PID: 2380 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 5771 13:53:16.883053  e coreboot_table

 5772 13:53:16.885803  # [   43.907888] CR2: 00007f237decf000

 5773 13:53:16.892512  # [   <4>[   55.404408] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5774 13:53:16.899473  <4>[   55.417717] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5775 13:53:16.922489  <4>[   55.423861] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 23 80 3d 7e 9f d5 02 00 75 ee 48 c7 c7 d8 33 22 99 c6 05 6e 9f d5 02 01 e8 3a 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22

 5776 13:53:16.925849  <4>[   55.445142] RSP: 0018:ffffb09082f27e58 EFLAGS: 00010282

 5777 13:53:16.935461  <4>[   55.451270] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 5778 13:53:16.941824  <4>[   55.459535] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 5779 13:53:16.952039  <4>[   55.467801] RBP: 0000000000000017 R08: 0000000000000000 R09: 0000000000000000

 5780 13:53:16.958668  <4>[   55.476066] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082f27f10

 5781 13:53:16.968292  <4>[   55.484329] R13: ffffffff992c900d R14: ffff8c7a47800000 R15: ffffb09082f27f10

 5782 13:53:16.978462  <4>[   55.492595] FS:  00007f1656825740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 5783 13:53:16.984657  <4>[   55.501927] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5784 13:53:16.991487  <4>[   55.508638] CR2: 00007f1656804000 CR3: 000000010674a001 CR4: 00000000003706e0

 5785 13:53:16.995027  <4>[   55.516904] Call Trace:

 5786 13:53:16.998605  <4>[   55.519944]  ? __warn+0x80/0x110

 5787 13:53:17.004991  43.911877] ---[ end trace 242e5a7a3af61dd2 ]---

 5788 13:53:17.011569  # [   43.917314<4>[   55.523848]  ? refcount_warn_saturate+0x51/0x110

 5789 13:53:17.014563  <4>[   55.535509]  ? report_bug+0x99/0xc0

 5790 13:53:17.018476  <4>[   55.539698]  ? handle_bug+0x41/0x80

 5791 13:53:17.024839  <4>[   55.543909]  ? exc_invalid_op+0x13/0x60

 5792 13:53:17.028241  <4>[   55.548484]  ? asm_exc_invalid_op+0x12/0x20

 5793 13:53:17.034668  <4>[   55.553452]  ? refcount_warn_saturate+0x51/0x110

 5794 13:53:17.037651  ] RIP: 0010:lkdtm_BUG+0x5/0x10

 5795 13:53:17.044522  # [   43.921974] Code: ff ff ff <4>[   55.558927]  ? refcount_warn_saturate+0x51/0x110

 5796 13:53:17.057596  eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc c<4>[   55.570588]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 5797 13:53:17.067991  c cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 <4>[   55.582543]  direct_entry.cold+0x2c/0x38

 5798 13:53:17.074127  <4>[   55.593433]  full_proxy_write+0x53/0x80

 5799 13:53:17.077666  <4>[   55.598039]  vfs_write+0xf0/0x3c0

 5800 13:53:17.080954  <4>[   55.602033]  ksys_write+0x74/0xf0

 5801 13:53:17.084141  <4>[   55.606025]  do_syscall_64+0x30/0x40

 5802 13:53:17.091095  <4>[   55.610310]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5803 13:53:17.097550  <4>[   55.616243] RIP: 0033:0x7f1656920240

 5804 13:53:17.117231  <4>[   55.620527] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5805 13:53:17.127105  <4>[   55.641804] RSP: 002b:00007fffc8d41fe8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 5806 13:53:17.133729  <4>[   55.650555] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1656920240

 5807 13:53:17.144117  <4>[   55.658820] RDX: 0000000000000017 RSI: 00007f1656804000 RDI: 0000000000000001

 5808 13:53:17.150212  <4>[   55.667085] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000

 5809 13:53:17.160936  <4>[   55.675350] R10: 00007f16568414d0 R11: 0000000000000202 R12: 00007f1656804000

 5810 13:53:17.163672  0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 5811 13:53:17.173592  # [   <4>[   55.683627] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 5812 13:53:17.177095  <4>[   55.698110] irq event stamp: 0

 5813 13:53:17.183804  43.943238] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 5814 13:53:17.190357  # [   43<4>[   55.701837] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5815 13:53:17.200173  <4>[   55.715339] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5816 13:53:17.210163  <4>[   55.724768] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5817 13:53:17.216467  <4>[   55.734198] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5818 13:53:17.223357  <4>[   55.741491] ---[ end trace 242e5a7a3af61de1 ]---

 5819 13:53:17.229857  <6>[   55.746938] lkdtm: Saturation detected: still saturated

 5820 13:53:17.236340  .949362] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 5821 13:53:17.242921  # [   43.957625] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 5822 13:53:17.252839  # [   43.965886] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 5823 13:53:17.260037  # [   43.974147] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 5824 13:53:17.269552  # [   43.982407] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 5825 13:53:17.279366  # [   43.990680] FS:  00007f237dce8740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 5826 13:53:17.285639  # [   44.000010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5827 13:53:17.292322  # [   44.006717] CR2: 00007f237decf000 CR3: 0000000107972005 CR4: 00000000003706e0

 5828 13:53:17.295681  # ACCESS_USERSPACE: saw 'call trace:': ok

 5829 13:53:17.302710  ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh

 5830 13:53:17.305832  # selftests: lkdtm: ACCESS_NULL.sh

 5831 13:53:17.306310  # Killed

 5832 13:53:17.312170  # [   44.128043] lkdtm: Performing direct entry ACCESS_NULL

 5833 13:53:17.318739  # [   44.139142] lkdtm: attempting bad read at 0000000000000000

 5834 13:53:17.325732  # [   44.145616] BUG: kernel NULL pointer dereference, address: 0000000000000000

 5835 13:53:17.332355  # [   44.153693] #PF: supervisor read access in kernel mode

 5836 13:53:17.338729  # [   44.165936] #PF: error_code(0x0000) - not-present page

 5837 13:53:17.342285  # [   44.171966] PGD 0 P4D 0 

 5838 13:53:17.345194  # [   44.175085] Oops: 0000 [#13] SMP PTI

 5839 13:53:17.355468  # [   44.185579] CPU: 3 PID: 1894 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 5840 13:53:17.361893  # [   44.194521] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5841 13:53:17.368861  # [   44.201627] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 5842 13:53:17.391694  # [   44.207161] Code: 81 eb fb ff be 00 10 00 00 48 89 df e8 db 73 0c ff e9 6b ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 70 9e 2c 99 e8 5b eb fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 98 9e 2c 99 48 01

 5843 13:53:17.395068  # [   44.228439] RSP: 0018:ffffb09082787e68 EFLAGS: 00010246

 5844 13:53:17.404824  # [   44.234564] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 5845 13:53:17.414830  # [   44.242826] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50

 5846 13:53:17.421713  # [   44.251089] RBP: 000000000000000c R08: 0000000000000000 R09: 0000000000000000

 5847 13:53:17.431249  # [   44.259349] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082787f10

 5848 13:53:17.438062  # [   44.267624] R13: ffffffff992c8f61 R14: ffff8c7a43ede000 R15: ffffb09082787f10

 5849 13:53:17.447892  # [   44.275887] FS:  00007fc1f7806740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 5850 13:53:17.454559  # [   44.285216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5851 13:53:17.464332  # [   44.291925] CR2: 0000000000000000 CR3: 00000001061fe001 CR4: 00000000003706e0

 5852 13:53:17.467463  # [   44.300188] Call Trace:

 5853 13:53:17.470760  # [   44.303207]  ? __die_body.cold+0x1a/0x1f

 5854 13:53:17.477819  # [   44.307877]  ? no_context.constprop.0+0x121/0x320

 5855 13:53:17.480893  # [   44.313423]  ? exc_page_fault+0x4e/0x160

 5856 13:53:17.487462  # [   44.318094]  ? asm_exc_page_fault+0x1e/0x30

 5857 13:53:17.490709  # [   44.323058]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5858 13:53:17.497595  # [   44.327919]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5859 13:53:17.500850  # [   44.332783]  direct_entry.cold+0x2c/0x38

 5860 13:53:17.507344  # [   44.337455]  full_proxy_write+0x53/0x80

 5861 13:53:17.510401  # [   44.342028]  vfs_write+0xf0/0x3c0

 5862 13:53:17.514140  # [   44.346007]  ksys_write+0x74/0xf0

 5863 13:53:17.520157  # [   44.349997]  do_syscall_64+0x30/0x40

 5864 13:53:17.523410  # [   44.354276]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5865 13:53:17.530013  # [   44.360200] RIP: 0033:0x7fc1f7901240

 5866 13:53:17.550457  # [   44.364471] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5867 13:53:17.559884  # [   44.385750] RSP: 002b:00007ffc48fe7808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 5868 13:53:17.569586  # [   44.394488] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc1f7901240

 5869 13:53:17.576040  # [   44.402749] RDX: 000000000000000c RSI: 00007fc1f77e5000 RDI: 0000000000000001

 5870 13:53:17.585727  # [   44.411011] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000

 5871 13:53:17.592389  # [   44.419272] R10: 00007fc1f78224d0 R11: 0000000000000202 R12: 00007fc1f77e5000

 5872 13:53:17.602867  # [   44.427533] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 5873 13:53:17.684946  # [   44.435797] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 5874 13:53:17.688433  # [   44.524422] CR2: 0000000000000000

 5875 13:53:17.694960  # [   44.528412] ---[ end trace 242e5a7a3af61dd3 ]---

 5876 13:53:17.698296  # [   44.533849] RIP: 0010:lkdtm_BUG+0x5/0x10

 5877 13:53:17.718145  # [   44.538519] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 5878 13:53:17.724746  # [   44.559795] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 5879 13:53:17.734603  # [   44.565919] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 5880 13:53:17.741247  # [   44.574180] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 5881 13:53:17.751124  # [   44.582440] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 5882 13:53:17.757633  # [   44.590700] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 5883 13:53:17.767688  # [   44.598962] R13: ffffffff9932<6>[   56.281066] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 5884 13:53:17.774273  <6>[   56.293304] lkdtm: attempting bad refcount_dec() from saturated

 5885 13:53:17.780946  <4>[   56.300227] ------------[ cut here ]------------

 5886 13:53:17.787295  <4>[   56.305682] refcount_t: decrement hit 0; leaking memory.

 5887 13:53:17.797296  <4>[   56.311919] WARNING: CPU: 3 PID: 2416 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5888 13:53:17.801087  fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 5889 13:53:17.886317  # [   44.60722<4>[   56.321647] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 5890 13:53:17.896408  <4>[   56.410222] CPU: 3 PID: 2416 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 5891 13:53:17.909783  2] FS:  00007fc1f7806740(0000) GS:ffff8c7abad80000(0000) knlGS:0<4>[   56.419194] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5892 13:53:17.913045  <4>[   56.432501] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5893 13:53:17.916133  000000000000000

 5894 13:53:17.943060  # [   44.616551] CS:  0010 DS: 0000 ES: 0000 CR<4>[   56.438631] Code: 88 34 22 99 c6 05 da 9e d5 02 01 e8 aa 1f c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 34 22 99 c6 05 c1 9e d5 02 01 e8 90 1f c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5895 13:53:17.949247  <4>[   56.466119] RSP: 0018:ffffb09082fb7e58 EFLAGS: 00010282

 5896 13:53:17.955602  <4>[   56.472248] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 5897 13:53:17.965830  <4>[   56.480512] RDX: ffff8c7abadac620 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50

 5898 13:53:17.972237  <4>[   56.488776] RBP: 0000000000000017 R08: 0000000000000000 R09: 0000000000000000

 5899 13:53:17.982545  <4>[   56.497039] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082fb7f10

 5900 13:53:17.988495  <4>[   56.505304] R13: ffffffff992c9024 R14: ffff8c7a40fb8000 R15: ffffb09082fb7f10

 5901 13:53:17.998385  <4>[   56.513569] FS:  00007f712327b740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 5902 13:53:18.005644  <4>[   56.522901] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5903 13:53:18.011923  <4>[   56.529629] CR2: 00007f712325a000 CR3: 0000000107b58003 CR4: 00000000003706e0

 5904 13:53:18.015289  <4>[   56.537893] Call Trace:

 5905 13:53:18.021860  <4>[   56.540917]  ? __warn+0x80/0x110

 5906 13:53:18.022376  0: 0000000080050033

 5907 13:53:18.031667  # [   44.623257] CR2: 0000000000000000 CR3:<4>[   56.544840]  ? refcount_warn_saturate+0xfb/0x110

 5908 13:53:18.034585  <4>[   56.556495]  ? report_bug+0x99/0xc0

 5909 13:53:18.041407   00000001061fe001 CR4: 00000000003706e0

 5910 13:53:18.048052  # [   44.631520] BUG: s<4>[   56.560685]  ? handle_bug+0x41/0x80

 5911 13:53:18.058413  leeping function called from invalid context at include/linux/pe<4>[   56.571083]  ? exc_invalid_op+0x13/0x60

 5912 13:53:18.061071  <4>[   56.581872]  ? asm_exc_invalid_op+0x12/0x20

 5913 13:53:18.064679  rcpu-rwsem.h:49

 5914 13:53:18.074744  # [   44.641723] in_atomic(): 0, irqs_disabled(<4>[   56.586863]  ? refcount_warn_saturate+0xfb/0x110

 5915 13:53:18.077750  <4>[   56.598516]  ? refcount_warn_saturate+0xfb/0x110

 5916 13:53:18.084354  <4>[   56.603965]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 5917 13:53:18.091490  <4>[   56.609706]  direct_entry.cold+0x2c/0x38

 5918 13:53:18.094439  <4>[   56.614399]  full_proxy_write+0x53/0x80

 5919 13:53:18.098119  <4>[   56.618999]  vfs_write+0xf0/0x3c0

 5920 13:53:18.100941  <4>[   56.623038]  ksys_write+0x74/0xf0

 5921 13:53:18.108072  ): 1, non_block: 0, pid: 1894, name: cat

 5922 13:53:18.114371  # [   44.650469] INFO:<4>[   56.627034]  do_syscall_64+0x30/0x40

 5923 13:53:18.117670  <4>[   56.637522]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5924 13:53:18.124631  <4>[   56.643454] RIP: 0033:0x7f7123376240

 5925 13:53:18.143942  <4>[   56.647736] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5926 13:53:18.153779  <4>[   56.669012] RSP: 002b:00007ffd009f61a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 5927 13:53:18.160203  <4>[   56.677762] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7123376240

 5928 13:53:18.170497  <4>[   56.686025] RDX: 0000000000000017 RSI: 00007f712325a000 RDI: 0000000000000001

 5929 13:53:18.177101  <4>[   56.694286] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000

 5930 13:53:18.186712  <4>[   56.702548] R10: 00007f71232974d0 R11: 0000000000000202 R12: 00007f712325a000

 5931 13:53:18.193468  <4>[   56.710810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 5932 13:53:18.196748  <4>[   56.719077] irq event stamp: 0

 5933 13:53:18.207251  <4>[   56.722807] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5934 13:53:18.213692  <4>[   56.730099] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5935 13:53:18.223522  <4>[   56.739528] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5936 13:53:18.233634  <4>[   56.748956] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5937 13:53:18.236589  <4>[   56.756248] ---[ end trace 242e5a7a3af61de2 ]---

 5938 13:53:18.243397  <6>[   56.761694] lkdtm: Saturation detected: still saturated

 5939 13:53:18.246791   lockdep is turned off.

 5940 13:53:18.249989  # [   44.655135] irq event stamp: 0

 5941 13:53:18.256578  # [   44.658831] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5942 13:53:18.266656  # [   44.666123] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5943 13:53:18.276539  # [   44.675551] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 5944 13:53:18.282499  # [   44.684980] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5945 13:53:18.292332  # [   44.692263] CPU: 3 PID: 1894 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 5946 13:53:18.299250  # [   44.701204] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5947 13:53:18.302655  # [   44.708300] Call Trace:

 5948 13:53:18.305875  # [   44.711318]  dump_stack+0x77/0x9b

 5949 13:53:18.309449  # [   44.715300]  ___might_sleep.cold+0xa6/0xb7

 5950 13:53:18.315807  # [   44.720166]  exit_signals+0x1c/0x300

 5951 13:53:18.318951  # [   44.724445]  do_exit+0xbd/0xaa0

 5952 13:53:18.322328  # [   44.728241]  ? ksys_write+0x74/0xf0

 5953 13:53:18.325918  # [   44.732426]  make_task_dead+0x2e/0x30

 5954 13:53:18.332529  # [   44.736803]  rewind_stack_and_make_dead+0x17/0x20

 5955 13:53:18.335328  # [   44.742345] RIP: 0033:0x7fc1f7901240

 5956 13:53:18.358602  # [   44.746626] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 5957 13:53:18.368185  # [   44.767903] RSP: 002b:00007ffc48fe7808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 5958 13:53:18.375528  # [   44.776651] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc1f7901240

 5959 13:53:18.384630  # [   44.784913] RDX: 000000000000000c RSI: 00007fc1f77e5000 RDI: 0000000000000001

 5960 13:53:18.394872  # [   44.793175] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000

 5961 13:53:18.401437  # [   44.801437] R10: 00007fc1f78224d0 R11: 0000000000000202 R12: 00007fc1f77e5000

 5962 13:53:18.411552  # [   44.809699] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 5963 13:53:18.414537  # ACCESS_NULL: saw 'call trace:': ok

 5964 13:53:18.418201  ok 38 selftests: lkdtm: ACCESS_NULL.sh

 5965 13:53:18.421455  # selftests: lkdtm: WRITE_RO.sh

 5966 13:53:18.421948  # Killed

 5967 13:53:18.428027  # [   44.942814] lkdtm: Performing direct entry WRITE_RO

 5968 13:53:18.434725  # [   44.954259] lkdtm: attempting bad rodata write at ffffffff98e41070

 5969 13:53:18.444429  # [   44.961483] BUG: unable to handle page fault for address: ffffffff98e41070

 5970 13:53:18.450659  # [   44.969463] #PF: supervisor write access in kernel mode

 5971 13:53:18.457083  # [   44.981800] #PF: error_code(0x0003) - permissions violation

 5972 13:53:18.463866  # [   44.988314] PGD b429067 P4D b429067 PUD b42a063 PMD 800000000ae000e1 

 5973 13:53:18.470670  # [   44.995803] Oops: 0003 [#14] SMP PTI

 5974 13:53:18.476982  # [   45.006295] CPU: 3 PID: 1930 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 5975 13:53:18.486548  # [   45.015239] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5976 13:53:18.490353  # [   45.028550] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 5977 13:53:18.513343  # [   45.040019] Code: 00 48 c7 c7 50 9d 2c 99 48 c7 c6 70 10 e4 98 e8 0e ee fb ff 48 8b 05 0e af 7f 01 ba 34 12 cd ab 48 c7 c7 80 9d 2c 99 48 31 d0 <48> 89 05 f8 ae 7f 01 e9 ec ed fb ff 0f 1f 44 00 00 48 8b 05 c7 a1

 5978 13:53:18.519637  # [   45.061294] RSP: 0018:ffffb0908281fe70 EFLAGS: 00010202

 5979 13:53:18.526370  # [   45.067419] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 5980 13:53:18.536179  # [   45.075680] RDX: 00000000abcd1234 RSI: ffff8c7abad9bf50 RDI: ffffffff992c9d80

 5981 13:53:18.546292  # [   45.083941] RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000

 5982 13:53:18.553050  # [   45.092203] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908281ff10

 5983 13:53:18.562778  # [   45.100463] R13: ffffffff992c8f6d R14: ffff8c7a40edd000 R15: ffffb0908281ff10

 5984 13:53:18.568908  # [   45.108725] FS:  00007ff1a7b41740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 5985 13:53:18.575775  # [   45.118055] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5986 13:53:18.585681  # [   45.124761] CR2: ffffffff98e41070 CR3: 00000001065a6002 CR4: 00000000003706e0

 5987 13:53:18.588951  # [   45.133023] Call Trace:

 5988 13:53:18.592770  # [   45.136044]  ? __die_body.cold+0x1a/0x1f

 5989 13:53:18.598972  # [   45.140713]  ? no_context.constprop.0+0x121/0x320

 5990 13:53:18.602510  # [   45.146250]  ? exc_page_fault+0xcd/0x160

 5991 13:53:18.608886  # [   45.150920]  ? asm_exc_page_fault+0x1e/0x30

 5992 13:53:18.611907  # [   45.155883]  ? lkdtm_WRITE_RO+0x2e/0x3a

 5993 13:53:18.618627  # [   45.160455]  direct_entry.cold+0x2c/0x38

 5994 13:53:18.621908  # [   45.165116]  full_proxy_write+0x53/0x80

 5995 13:53:18.625347  # [   45.169688]  vfs_write+0xf0/0x3c0

 5996 13:53:18.632118  # [   45.173680]  ksys_write+0x74/0xf0

 5997 13:53:18.635015  # [   45.177685]  do_syscall_64+0x30/0x40

 5998 13:53:18.642056  # [   45.181966]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 5999 13:53:18.645088  # [   45.187897] RIP: 0033:0x7ff1a7c3c240

 6000 13:53:18.668512  # [   45.192176] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6001 13:53:18.675265  # [   45.213452] RSP: 002b:00007ffd8bfcf9e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6002 13:53:18.684275  # [   45.222202] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007ff1a7c3c240

 6003 13:53:18.693983  # [   45.230463] RDX: 0000000000000009 RSI: 00007ff1a7b20000 RDI: 0000000000000001

 6004 13:53:18.700406  # [   45.238724] RBP: 0000000000000009 R08: 00000000ffffffff R09: 0000000000000000

 6005 13:53:18.711073  # [   45.246986] R10: 00007ff1a7b5d4d0 R11: 0000000000000202 R12: 00007ff1a7b20000

 6006 13:53:18.717033  # [   45.255249] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 6007 13:53:18.803882  # [   45.263513] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6008 13:53:18.807346  # [   45.352138] CR2: ffffffff98e41070

 6009 13:53:18.813296  # [   45.356127] ---[ end trace 242e5a7a3af61dd4 ]---

 6010 13:53:18.817063  # [   45.361573] RIP: 0010:lkdtm_BUG+0x5/0x10

 6011 13:53:18.839689  # [   45.366233] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 6012 13:53:18.846657  # [   45.387511] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 6013 13:53:18.853181  # [   45.393636] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 6014 13:53:18.863047  # [   45.401897] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 6015 13:53:18.869480  # [   45.410160] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 6016 13:53:18.879647  # [   45.418420] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 6017 13:53:18.885798  # [   45.426681] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 6018 13:53:18.895832  # [   45.434945] FS:  00007ff1a7b41740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 6019 13:53:18.902305  # [   45.444276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6020 13:53:18.909261  # [   45.450983] CR2: ffffffff98e41070 CR3: 00000001065a6002 CR4: 00000000003706e0

 6021 13:53:18.912441  # WRITE_RO: saw 'call trace:': ok

 6022 13:53:18.915659  ok 39 selftests: lkdtm: WRITE_RO.sh

 6023 13:53:18.922357  # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 6024 13:53:18.922785  # Killed

 6025 13:53:18.929252  # [   45.619730] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 6026 13:53:18.935229  # [   45.627801] lkdtm: attempting bad ro_after_init write at ffffffff99350350

 6027 13:53:18.945264  # [   45.635736] BUG: unable to handle page fault for address: ffffffff99350350

 6028 13:53:18.952254  # [   45.649902] #PF: supervisor write access in kernel mode

 6029 13:53:18.958449  # [   45<6>[   57.474312] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 6030 13:53:18.965264  .662235] #PF: error_code(0x0003) - permissions violation

 6031 13:53:18.972526  # [   <6>[   57.483546] lkdtm: attempting bad refcount_dec() from saturated

 6032 13:53:18.985047  45.668739] PGD b429067 P4D b429067 PUD b42a063 PMD 1061db063 PTE<4>[   57.496703] ------------[ cut here ]------------

 6033 13:53:18.985359   800000000b350061

 6034 13:53:18.988267  # [   45.683708] Oops: 0003 [#15] SMP PTI

 6035 13:53:18.994654  # <4>[   57.508358] refcount_t: saturated; leaking memory.

 6036 13:53:19.011408  [   45.687989] CPU: 2 PID: 1966 Comm: cat Tainted: G      D W   <4>[   57.520251] WARNING: CPU: 0 PID: 2452 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6037 13:53:19.014781        5.10.222-cip50 #1

 6038 13:53:19.100317  # [   45.696920] Hardware name: Google <4>[   57.536191] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6039 13:53:19.103905  Rammus/Rammus, BIOS  09/04/2020

 6040 13:53:19.113499  # [   45.704018] RIP: 0010:lkdt<4>[   57.624773] CPU: 0 PID: 2452 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6041 13:53:19.116905  m_WRITE_RO_AFTER_INIT+0x4e/0x5a

 6042 13:53:19.130273  # [   45.710336] Code: 9d 2c 99<4>[   57.639924] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6043 13:53:19.140198   e9 c0 ed fb ff 48 c7 c7 d8 9d 2c 99 e8 b4 ed fb ff 48 8b 05 94 <4>[   57.653243] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6044 13:53:19.169898  a1 d0 01 ba 34 12 cd ab 48 c7 c7 80 9d 2c 99 48 31 d0 <48> 89 05<4>[   57.665585] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 23 80 3d 7e 9f d5 02 00 75 ee 48 c7 c7 d8 33 22 99 c6 05 6e 9f d5 02 01 e8 3a 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22

 6045 13:53:19.172862   7e a1 d0 01 e9 92 ed fb ff 0f 1f 44 00 00 55 48 c7 c5 db

 6046 13:53:19.179560  # [  <4>[   57.693114] RSP: 0018:ffffb0908301fe58 EFLAGS: 00010282

 6047 13:53:19.186455   45.731623] RSP: 0018:ffffb090828afe70 EFLAGS: 00010202

 6048 13:53:19.195944  # [   4<4>[   57.705435] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 6049 13:53:19.209301  5.737748] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 00000<4>[   57.719966] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50

 6050 13:53:19.209787  00000000000

 6051 13:53:19.222625  # [   45.746008] RDX: 00000000abcd1234 RSI: ffff8c7<4>[   57.734422] RBP: 0000000000000017 R08: 0000000000000000 R09: 0000000000000000

 6052 13:53:19.226179  abad1bf50 RDI: ffffffff992c9d80

 6053 13:53:19.239006  # [   45.754269] RBP: 000000000<4>[   57.748872] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908301ff10

 6054 13:53:19.242649  0000014 R08: 0000000000000000 R09: 0000000000000000

 6055 13:53:19.252205  # [   45.76<4>[   57.763369] R13: ffffffff992c903b R14: ffff8c7a424da000 R15: ffffb0908301ff10

 6056 13:53:19.268786  2529] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908<4>[   57.777838] FS:  00007fa655f13740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 6057 13:53:19.269462  28aff10

 6058 13:53:19.281985  # [   45.770791] R13: ffffffff992c8f76 R14: ffff8c7a47a<4>[   57.793417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6059 13:53:19.285179  a5000 R15: ffffb090828aff10

 6060 13:53:19.295128  # [   45.779053] FS:  00007f5703174<4>[   57.806327] CR2: 00007fa655ef2000 CR3: 0000000104648006 CR4: 00000000003706f0

 6061 13:53:19.301876  740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 6062 13:53:19.305254  # [ <4>[   57.820806] Call Trace:

 6063 13:53:19.311465    45.788380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6064 13:53:19.314556  <4>[   57.830037]  ? __warn+0x80/0x110

 6065 13:53:19.328171  # [   45.795086] CR2: ffffffff99350350 CR3: 00000001063fc006 CR4<4>[   57.840185]  ? refcount_warn_saturate+0x51/0x110

 6066 13:53:19.328677  : 00000000003706e0

 6067 13:53:19.331296  # [   45.803347] Call Trace:

 6068 13:53:19.337852  # [   45.80636<4>[   57.851816]  ? report_bug+0x99/0xc0

 6069 13:53:19.341205  5]  ? __die_body.cold+0x1a/0x1f

 6070 13:53:19.347860  # [   45.811035]  ? no_context.<4>[   57.862222]  ? handle_bug+0x41/0x80

 6071 13:53:19.351038  constprop.0+0x121/0x320

 6072 13:53:19.357452  # [   45.816580]  ? exc_page_fault+0xcd<4>[   57.872619]  ? exc_invalid_op+0x13/0x60

 6073 13:53:19.361377  /0x160

 6074 13:53:19.364352  # [   45.821249]  ? asm_exc_page_fault+0x1e/0x30

 6075 13:53:19.371086  # [   <4>[   57.883420]  ? asm_exc_invalid_op+0x12/0x20

 6076 13:53:19.374307  45.826211]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 6077 13:53:19.380775  # [   45.8318<4>[   57.894605]  ? refcount_warn_saturate+0x51/0x110

 6078 13:53:19.384181  53]  direct_entry.cold+0x2c/0x38

 6079 13:53:19.393881  # [   45.836523]  full_proxy_w<4>[   57.906276]  ? refcount_warn_saturate+0x51/0x110

 6080 13:53:19.394320  rite+0x53/0x80

 6081 13:53:19.397648  # [   45.841096]  vfs_write+0xf0/0x3c0

 6082 13:53:19.404074  # [   45<4>[   57.917928]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 6083 13:53:19.407206  .845084]  ksys_write+0x74/0xf0

 6084 13:53:19.417332  # [   45.849073]  do_syscall_64+<4>[   57.929906]  direct_entry.cold+0x2c/0x38

 6085 13:53:19.417826  0x30/0x40

 6086 13:53:19.427359  # [   45.853352]  entry_SYSCALL_64_after_hwframe+0x67<4>[   57.940778]  full_proxy_write+0x53/0x80

 6087 13:53:19.427853  /0xd1

 6088 13:53:19.430291  # [   45.859282] RIP: 0033:0x7f570326f240

 6089 13:53:19.436991  # [   45.86356<4>[   57.951588]  vfs_write+0xf0/0x3c0

 6090 13:53:19.447053  1] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff f<4>[   57.961786]  ksys_write+0x74/0xf0

 6091 13:53:19.456643  f ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00<4>[   57.972010]  do_syscall_64+0x30/0x40

 6092 13:53:19.469687   0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 e<4>[   57.982505]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 6093 13:53:19.470181  c 28 48 89

 6094 13:53:19.479850  # [   45.884833] RSP: 002b:00007ffd9c5e2a08 EFLAGS: <4>[   57.994665] RIP: 0033:0x7fa65600e240

 6095 13:53:19.483069  00000202 ORIG_RAX: 0000000000000001

 6096 13:53:19.509096  # [   45.893571] RAX: fffff<4>[   58.005165] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6097 13:53:19.513115  fffffffffda RBX: 0000000000000014 RCX: 00007f570326f240

 6098 13:53:19.522746  # [   4<4>[   58.032646] RSP: 002b:00007fffb4822e78 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6099 13:53:19.539122  5.901831] RDX: 0000000000000014 RSI: 00007f5703153000 RDI: 00000<4>[   58.047615] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa65600e240

 6100 13:53:19.539627  00000000001

 6101 13:53:19.552565  # [   45.910089] RBP: 0000000000000014 R08: 0000000<4>[   58.062105] RDX: 0000000000000017 RSI: 00007fa655ef2000 RDI: 0000000000000001

 6102 13:53:19.555939  0ffffffff R09: 0000000000000000

 6103 13:53:19.565690  # [   45.918348] R10: 00007f570<4>[   58.076566] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000

 6104 13:53:19.572387  31904d0 R11: 0000000000000202 R12: 00007f5703153000

 6105 13:53:19.582213  # [   45.92<4>[   58.091043] R10: 00007fa655f2f4d0 R11: 0000000000000202 R12: 00007fa655ef2000

 6106 13:53:19.595138  6622] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000<4>[   58.105537] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 6107 13:53:19.595668  0000000

 6108 13:53:19.605367  # [   45.934887] Modules linked in: fuse ip_tables cros<4>[   58.120111] irq event stamp: 0

 6109 13:53:19.618289  _ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_<4>[   58.129989] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6110 13:53:19.634543  triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btinte<4>[   58.143529] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6111 13:53:19.651313  l cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_l<4>[   58.159146] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6112 13:53:19.664878  ogger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi blu<4>[   58.174795] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6113 13:53:19.674854  etooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobu<4>[   58.188287] ---[ end trace 242e5a7a3af61de3 ]---

 6114 13:53:19.687822  f2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_t<6>[   58.199966] lkdtm: Saturation detected: still saturated

 6115 13:53:19.727214  hermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6116 13:53:19.730574  # [   46.023489] CR2: ffffffff99350350

 6117 13:53:19.737379  # [   46.027478] ---[ end trace 242e5a7a3af61dd5 ]---

 6118 13:53:19.740316  # [   46.032923] RIP: 0010:lkdtm_BUG+0x5/0x10

 6119 13:53:19.763566  # [   46.037590] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 6120 13:53:19.769854  # [   46.058866] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 6121 13:53:19.776305  # [   46.064982] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 6122 13:53:19.783228  # [   46.073243] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 6123 13:53:19.792888  # [   46.081496] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 6124 13:53:19.799531  # [   46.089756] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 6125 13:53:19.809652  # [   46.098017] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 6126 13:53:19.819262  # [   46.106279] FS:  00007f5703174740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 6127 13:53:19.826026  # [   46.115626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6128 13:53:19.832903  # [   46.122324] CR2: ffffffff99350350 CR3: 00000001063fc006 CR4: 00000000003706e0

 6129 13:53:19.842393  # [   46.130585] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 6130 13:53:19.852624  <6>[   58.367801] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 6131 13:53:19.859434  <6>[   58.375928] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 6132 13:53:19.865717  <4>[   58.383713] ------------[ cut here ]------------

 6133 13:53:19.868936  <4>[   58.389171] refcount_t: saturated; leaking memory.

 6134 13:53:19.879126  <4>[   58.394834] WARNING: CPU: 2 PID: 2485 at lib/refcount.c:19 refcount_warn_saturate+0x74/0x110

 6135 13:53:19.879628  

 6136 13:53:19.968335  # [   46.140789] in_atomic(): 0, irqs_disabled(): 1, non_block:<4>[   58.404560] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6137 13:53:19.978038  <4>[   58.493174] CPU: 2 PID: 2485 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6138 13:53:19.981540   0, pid: 1966, name: cat

 6139 13:53:19.991057  # [   46.149536] INFO: lockdep is turn<4>[   58.502149] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6140 13:53:19.991637  ed off.

 6141 13:53:19.994890  # [   46.154203] irq event stamp: 0

 6142 13:53:20.003834  # [   46.157899] h<4>[   58.515459] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6143 13:53:20.007679  ardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6144 13:53:20.030556  # [   46<4>[   58.527801] Code: 02 01 e8 3a 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 99 c6 05 4c 9f d5 02 01 e8 17 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22

 6145 13:53:20.037039  <4>[   58.555295] RSP: 0018:ffffb09083097e48 EFLAGS: 00010286

 6146 13:53:20.044110  <4>[   58.561457] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6147 13:53:20.053807  <4>[   58.569776] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 6148 13:53:20.067640  .165189] hardirqs last disabled at (0): [<ffffffff965001e1>] cop<4>[   58.578054] RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000

 6149 13:53:20.077219  <4>[   58.592525] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09083097f10

 6150 13:53:20.083966  <4>[   58.600787] R13: ffffffff992c8c68 R14: ffff8c7a459ce000 R15: ffffb09083097f10

 6151 13:53:20.093743  <4>[   58.609051] FS:  00007fb90e8d4740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 6152 13:53:20.100846  <4>[   58.618385] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6153 13:53:20.110359  <4>[   58.625097] CR2: 00007fb90e8b3000 CR3: 0000000104e1e006 CR4: 00000000003706e0

 6154 13:53:20.113536  <4>[   58.633361] Call Trace:

 6155 13:53:20.117055  <4>[   58.636403]  ? __warn+0x80/0x110

 6156 13:53:20.117658  y_process+0x6e1/0x2190

 6157 13:53:20.126915  # [   46.174624] softirqs last  enabled <4>[   58.640306]  ? refcount_warn_saturate+0x74/0x110

 6158 13:53:20.133278  <4>[   58.651965]  ? report_bug+0x99/0xc0

 6159 13:53:20.136419  <4>[   58.656176]  ? handle_bug+0x41/0x80

 6160 13:53:20.140058  <4>[   58.660391]  ? exc_invalid_op+0x13/0x60

 6161 13:53:20.146652  <4>[   58.664968]  ? asm_exc_invalid_op+0x12/0x20

 6162 13:53:20.150224  <4>[   58.669973]  ? refcount_warn_saturate+0x74/0x110

 6163 13:53:20.156271  at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6164 13:53:20.163007  # [   46<4>[   58.675432]  ? refcount_warn_saturate+0x74/0x110

 6165 13:53:20.169831  <4>[   58.687089]  __refcount_add_not_zero.constprop.0+0x26/0x31

 6166 13:53:20.176818  <4>[   58.693509]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3c/0x74

 6167 13:53:20.179371  <4>[   58.700148]  direct_entry.cold+0x2c/0x38

 6168 13:53:20.186039  <4>[   58.704847]  full_proxy_write+0x53/0x80

 6169 13:53:20.189402  <4>[   58.709452]  vfs_write+0xf0/0x3c0

 6170 13:53:20.192682  <4>[   58.713466]  ksys_write+0x74/0xf0

 6171 13:53:20.195964  <4>[   58.717482]  do_syscall_64+0x30/0x40

 6172 13:53:20.202718  <4>[   58.721787]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 6173 13:53:20.209300  <4>[   58.727746] RIP: 0033:0x7fb90e9cf240

 6174 13:53:20.229098  <4>[   58.732053] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6175 13:53:20.239009  <4>[   58.753354] RSP: 002b:00007ffc466c2b38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6176 13:53:20.245825  <4>[   58.762128] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb90e9cf240

 6177 13:53:20.255568  <4>[   58.770392] RDX: 0000000000000020 RSI: 00007fb90e8b3000 RDI: 0000000000000001

 6178 13:53:20.261706  <4>[   58.778675] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000

 6179 13:53:20.278125  .184051] softirqs last disabled at (0): [<0000000000000000>] 0x0<4>[   58.786941] R10: 00007fb90e8f04d0 R11: 0000000000000202 R12: 00007fb90e8b3000

 6180 13:53:20.278205  

 6181 13:53:20.291110  # [   46.191341] CPU: 2 PID: 1966 Comm: cat Tainted: G      D <4>[   58.801422] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 6182 13:53:20.294721  <4>[   58.815921] irq event stamp: 0

 6183 13:53:20.297688  W         5.10.222-cip50 #1

 6184 13:53:20.308013  # [   46.200280] Hardware name: Goo<4>[   58.819632] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6185 13:53:20.317962  <4>[   58.833135] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6186 13:53:20.327492  <4>[   58.842589] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6187 13:53:20.334260  <4>[   58.852050] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6188 13:53:20.341085  <4>[   58.859343] ---[ end trace 242e5a7a3af61de4 ]---

 6189 13:53:20.347529  <6>[   58.864791] lkdtm: Saturation detected: still saturated

 6190 13:53:20.350987  gle Rammus/Rammus, BIOS  09/04/2020

 6191 13:53:20.354507  # [   46.207375] Call Trace:

 6192 13:53:20.357466  # [   46.210393]  dump_stack+0x77/0x9b

 6193 13:53:20.360555  # [   46.214383]  ___might_sleep.cold+0xa6/0xb7

 6194 13:53:20.367288  # [   46.219247]  exit_signals+0x1c/0x300

 6195 13:53:20.370486  # [   46.223527]  do_exit+0xbd/0xaa0

 6196 13:53:20.373805  # [   46.227322]  ? ksys_write+0x74/0xf0

 6197 13:53:20.376955  # [   46.231507]  make_task_dead+0x2e/0x30

 6198 13:53:20.383775  # [   46.235883]  rewind_stack_and_make_dead+0x17/0x20

 6199 13:53:20.387153  # [   46.241425] RIP: 0033:0x7f570326f240

 6200 13:53:20.407016  # [   46.245705] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6201 13:53:20.417496  # [   46.266979] RSP: 002b:00007ffd9c5e2a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6202 13:53:20.426742  # [   46.275727] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f570326f240

 6203 13:53:20.433678  # [   46.283986] RDX: 0000000000000014 RSI: 00007f5703153000 RDI: 0000000000000001

 6204 13:53:20.443308  # [   46.292245] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000

 6205 13:53:20.449726  # [   46.300507] R10: 00007f57031904d0 R11: 0000000000000202 R12: 00007f5703153000

 6206 13:53:20.459665  # [   46.308767] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 6207 13:53:20.462919  # WRITE_RO_AFTER_INIT: saw 'call trace:': ok

 6208 13:53:20.469665  ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 6209 13:53:20.473014  # selftests: lkdtm: WRITE_KERN.sh

 6210 13:53:20.473514  # Killed

 6211 13:53:20.479408  # [   46.504814] lkdtm: Performing direct entry WRITE_KERN

 6212 13:53:20.485782  # [   46.515703] lkdtm: attempting bad 7015451 byte write at ffffffff976460db

 6213 13:53:20.492568  # [   46.529706] BUG: unable to handle page fault for address: ffffffff976460db

 6214 13:53:20.499460  # [   46.543886] #PF: supervisor write access in kernel mode

 6215 13:53:20.505154  # [   46.550013] #PF: error_code(0x0003) - permissions violation

 6216 13:53:20.512610  # [   46.556527] PGD b429067 P4D b429067 PUD b42a063 PMD 96000e1 

 6217 13:53:20.516123  # [   46.563141] Oops: 0003 [#16] SMP PTI

 6218 13:53:20.525720  # [   46.573635] CPU: 1 PID: 2002 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6219 13:53:20.532745  # [   46.582578] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6220 13:53:20.539167  # [   46.595894] RIP: 0010:lkdtm_WRITE_KERN+0x37/0x4c

 6221 13:53:20.558889  # [   46.601341] Code: 48 c7 c7 10 9e 2c 99 53 48 89 eb 48 89 ea 48 81 eb c0 54 f9 96 48 89 de e8 68 ed fb ff 48 89 ef 48 89 d9 48 c7 c6 c0 54 f9 96 <f3> a4 48 c7 c7 80 9d 2c 99 e8 4d ed fb ff 5b 5d e9 b8 fe ff ff 0f

 6222 13:53:20.571890  # [   46.628833] RSP: 0018:ffffb0908295fe60 EFLAGS: 000102<6>[   59.086522] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 6223 13:53:20.581547  <6>[   59.097633] lkdtm: attempting bad refcount_add_not_zero() from saturated

 6224 13:53:20.581990  46

 6225 13:53:20.593784  # [   46.634956] RAX: 000000000000003c RBX: 00000000006b0c1b<4>[   59.105423] ------------[ cut here ]------------

 6226 13:53:20.597891  <4>[   59.117072] refcount_t: saturated; leaking memory.

 6227 13:53:20.607782  <4>[   59.122744] WARNING: CPU: 3 PID: 2518 at lib/refcount.c:19 refcount_warn_saturate+0x74/0x110

 6228 13:53:20.611061   RCX: 00000000006b0c1b

 6229 13:53:20.697350  # [   46.643217] RDX: 0000000000000000 R<4>[   59.132474] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6230 13:53:20.703377  <4>[   59.221049] CPU: 3 PID: 2518 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6231 13:53:20.710341  SI: ffffffff96f954c0 RDI: ffffffff976460db

 6232 13:53:20.716902  # [   46.651477] RBP<4>[   59.230020] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6233 13:53:20.723635  <4>[   59.243327] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6234 13:53:20.746898  <4>[   59.249454] Code: 02 01 e8 3a 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 99 c6 05 4c 9f d5 02 01 e8 17 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22

 6235 13:53:20.753389  <4>[   59.270730] RSP: 0018:ffffb09083167e48 EFLAGS: 00010286

 6236 13:53:20.759566  <4>[   59.276858] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6237 13:53:20.769582  <4>[   59.285121] RDX: ffff8c7abadac620 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50

 6238 13:53:20.776061  <4>[   59.293384] RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000

 6239 13:53:20.785949  <4>[   59.301648] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09083167f10

 6240 13:53:20.792416  <4>[   59.309912] R13: ffffffff992c8c88 R14: ffff8c7a47fe7000 R15: ffffb09083167f10

 6241 13:53:20.802424  <4>[   59.318175] FS:  00007f490a605740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 6242 13:53:20.808882  <4>[   59.327507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6243 13:53:20.818748  <4>[   59.334214] CR2: 00007f490a5e4000 CR3: 0000000106494005 CR4: 00000000003706e0

 6244 13:53:20.818882  <4>[   59.342476] Call Trace:

 6245 13:53:20.825635  <4>[   59.345500]  ? __warn+0x80/0x110

 6246 13:53:20.828727  <4>[   59.349425]  ? refcount_warn_saturate+0x74/0x110

 6247 13:53:20.835641  <4>[   59.354873]  ? report_bug+0x99/0xc0

 6248 13:53:20.838838  <4>[   59.359059]  ? handle_bug+0x41/0x80

 6249 13:53:20.842114  <4>[   59.363267]  ? exc_invalid_op+0x13/0x60

 6250 13:53:20.848698  <4>[   59.367842]  ? asm_exc_invalid_op+0x12/0x20

 6251 13:53:20.852036  <4>[   59.372809]  ? refcount_warn_saturate+0x74/0x110

 6252 13:53:20.859185  : ffffffff976460db R08: 0000000000000000 R09: 0000000000000000

 6253 13:53:20.864957  <4>[   59.378286]  ? refcount_warn_saturate+0x74/0x110

 6254 13:53:20.878281  # [   46.659737] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12<4>[   59.389939]  __refcount_add_not_zero.constprop.0+0x26/0x31

 6255 13:53:20.878391  : ffffb0908295ff10

 6256 13:53:20.891626  # [   46.667999] R13: ffffffff992c8f8a R14: <4>[   59.402579]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3c/0x74

 6257 13:53:20.894792  <4>[   59.415407]  direct_entry.cold+0x2c/0x38

 6258 13:53:20.898264  <4>[   59.420112]  full_proxy_write+0x53/0x80

 6259 13:53:20.905106  <4>[   59.424720]  vfs_write+0xf0/0x3c0

 6260 13:53:20.908374  <4>[   59.428721]  ksys_write+0x74/0xf0

 6261 13:53:20.911529  <4>[   59.432744]  do_syscall_64+0x30/0x40

 6262 13:53:20.918302  <4>[   59.437031]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 6263 13:53:20.921437  <4>[   59.443021] RIP: 0033:0x7f490a700240

 6264 13:53:20.924625  ffff8c7a48616000 R15: ffffb0908295ff10

 6265 13:53:20.951432  # [   46.676260] FS:  00<4>[   59.447321] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6266 13:53:20.957971  <4>[   59.474801] RSP: 002b:00007ffd39706358 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6267 13:53:20.967826  <4>[   59.483553] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f490a700240

 6268 13:53:20.974445  <4>[   59.491818] RDX: 0000000000000020 RSI: 00007f490a5e4000 RDI: 0000000000000001

 6269 13:53:20.984494  <4>[   59.500083] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000

 6270 13:53:20.990781  <4>[   59.508348] R10: 00007f490a6214d0 R11: 0000000000000202 R12: 00007f490a5e4000

 6271 13:53:21.000689  <4>[   59.516631] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 6272 13:53:21.010581  007f65ffb1b740(0000) GS:ffff8c7abac80000(0000) knlGS:00000000000<4>[   59.524912] irq event stamp: 0

 6273 13:53:21.017544  <4>[   59.534817] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6274 13:53:21.027896  <4>[   59.542113] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6275 13:53:21.037899  <4>[   59.551544] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6276 13:53:21.044287  <4>[   59.560975] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6277 13:53:21.050606  <4>[   59.568270] ---[ end trace 242e5a7a3af61de5 ]---

 6278 13:53:21.054010  <6>[   59.573718] lkdtm: Saturation detected: still saturated

 6279 13:53:21.057446  00000

 6280 13:53:21.064194  # [   46.685590] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6281 13:53:21.070702  # [   46.692297] CR2: ffffffff976460db CR3: 0000000106180004 CR4: 00000000003706e0

 6282 13:53:21.073733  # [   46.700558] Call Trace:

 6283 13:53:21.077261  # [   46.703579]  ? __die_body.cold+0x1a/0x1f

 6284 13:53:21.083891  # [   46.708250]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6285 13:53:21.090401  # [   46.720201]  ? no_context.constprop.0+0x121/0x320

 6286 13:53:21.093420  # [   46.725745]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6287 13:53:21.099907  # [   46.737692]  ? exc_page_fault+0xcd/0x160

 6288 13:53:21.103454  # [   46.742354]  ? asm_exc_page_fault+0x1e/0x30

 6289 13:53:21.109864  # [   46.747316]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6290 13:53:21.116663  # [   46.759267]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 6291 13:53:21.119927  # [   46.764423]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6292 13:53:21.126347  # [   46.776375]  ? lkdtm_WRITE_KERN+0x37/0x4c

 6293 13:53:21.129432  # [   46.781134]  direct_entry.cold+0x2c/0x38

 6294 13:53:21.132876  # [   46.785806]  full_proxy_write+0x53/0x80

 6295 13:53:21.139370  # [   46.790380]  vfs_write+0xf0/0x3c0

 6296 13:53:21.143039  # [   46.800580]  ksys_write+0x74/0xf0

 6297 13:53:21.146099  # [   46.804569]  do_syscall_64+0x30/0x40

 6298 13:53:21.152916  # [   46.808851]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 6299 13:53:21.156403  # [   46.814784] RIP: 0033:0x7f65ffc16240

 6300 13:53:21.179154  # [   46.819055] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6301 13:53:21.185920  # [   46.840334] RSP: 002b:00007ffef04d4268 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6302 13:53:21.195735  # [   46.849082] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f65ffc16240

 6303 13:53:21.202318  # [   46.857345] RDX: 000000000000000b RSI: 00007f65ffafa000 RDI: 0000000000000001

 6304 13:53:21.212153  # [   46.865617] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000

 6305 13:53:21.225247  # [   46.873884] R10: 00007f65ffb374d0 R11: 0000000000000202 R12:<6>[   59.740705] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 6306 13:53:21.232433  <6>[   59.749677] lkdtm: attempting bad refcount_dec_and_test() from saturated

 6307 13:53:21.238715  <4>[   59.757491] ------------[ cut here ]------------

 6308 13:53:21.239264   00007f65ffafa000

 6309 13:53:21.249034  # [   46.882146] R13: 0000000000000001 R14: 0<4>[   59.762970] refcount_t: underflow; use-after-free.

 6310 13:53:21.255397  000000000020000 R15: 0000000000000000

 6311 13:53:21.265035  # [   46.890403] Modules <4>[   59.774830] WARNING: CPU: 3 PID: 2554 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6312 13:53:21.353949  linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros<4>[   59.790754] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6313 13:53:21.363606  <4>[   59.879375] CPU: 3 PID: 2554 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6314 13:53:21.370573  <4>[   59.888341] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6315 13:53:21.376713  <4>[   59.895441] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6316 13:53:21.396487  <4>[   59.901568] Code: 02 01 e8 f4 1f c3 00 0f 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 99 c6 05 03 9f d5 02 01 e8 d1 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d ee 9e d5 02 00 0f 85 5e ff ff ff 48 c7

 6317 13:53:21.403300  <4>[   59.922841] RSP: 0018:ffffb090831efe50 EFLAGS: 00010286

 6318 13:53:21.413236  <4>[   59.928968] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 6319 13:53:21.420008  <4>[   59.937232] RDX: ffff8c7abadac620 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50

 6320 13:53:21.429797  <4>[   59.945496] RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000

 6321 13:53:21.436400  <4>[   59.953760] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090831eff10

 6322 13:53:21.446188  <4>[   59.962024] R13: ffffffff992c8ca8 R14: ffff8c7a44dbd000 R15: ffffb090831eff10

 6323 13:53:21.455974  <4>[   59.970288] FS:  00007f43542d2740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 6324 13:53:21.462897  <4>[   59.979630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6325 13:53:21.469252  <4>[   59.986341] CR2: 00007f43542b1000 CR3: 00000001067ca005 CR4: 00000000003706e0

 6326 13:53:21.472861  <4>[   59.994622] Call Trace:

 6327 13:53:21.475847  <4>[   59.997647]  ? __warn+0x80/0x110

 6328 13:53:21.482701  <4>[   60.001547]  ? refcount_warn_saturate+0xba/0x110

 6329 13:53:21.486533  <4>[   60.006999]  ? report_bug+0x99/0xc0

 6330 13:53:21.489338  <4>[   60.011204]  ? handle_bug+0x41/0x80

 6331 13:53:21.495832  <4>[   60.015420]  ? exc_invalid_op+0x13/0x60

 6332 13:53:21.499238  <4>[   60.019995]  ? asm_exc_invalid_op+0x12/0x20

 6333 13:53:21.505818  <4>[   60.024960]  ? refcount_warn_saturate+0xba/0x110

 6334 13:53:21.519104  _ec_sensors_core industrialio_triggered_buffer kfifo_buf industr<4>[   60.030438]  __refcount_sub_and_test.constprop.0+0x34/0x40

 6335 13:53:21.525524  <4>[   60.043065]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3c/0x74

 6336 13:53:21.535386  ialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhu<4>[   60.049681]  direct_entry.cold+0x2c/0x38

 6337 13:53:21.545395  b cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_cha<4>[   60.060567]  full_proxy_write+0x53/0x80

 6338 13:53:21.549076  <4>[   60.071357]  vfs_write+0xf0/0x3c0

 6339 13:53:21.555651  <4>[   60.075379]  ksys_write+0x74/0xf0

 6340 13:53:21.558776  <4>[   60.079369]  do_syscall_64+0x30/0x40

 6341 13:53:21.565557  <4>[   60.083655]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 6342 13:53:21.575331  rger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2<4>[   60.089631] RIP: 0033:0x7f43543cd240

 6343 13:53:21.601739  _vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v<4>[   60.100132] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6344 13:53:21.618139  4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdr<4>[   60.127638] RSP: 002b:00007fffad71cb48 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6345 13:53:21.631658  v intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 wa<4>[   60.142607] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f43543cd240

 6346 13:53:21.648018  tchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_com<4>[   60.157086] RDX: 0000000000000020 RSI: 00007f43542b1000 RDI: 0000000000000001

 6347 13:53:21.654649  <4>[   60.171570] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000

 6348 13:53:21.667900  press idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c<4>[   60.179839] R10: 00007f43542ee4d0 R11: 0000000000000202 R12: 00007f43542b1000

 6349 13:53:21.684422   elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbp<4>[   60.194322] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 6350 13:53:21.694214  d_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint c<4>[   60.208810] irq event stamp: 0

 6351 13:53:21.697502  ros_kbd_led_backlight chromeos_pstore coreboot_table

 6352 13:53:21.707408  # [   46.9<4>[   60.218726] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6353 13:53:21.717708  <4>[   60.232240] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6354 13:53:21.720909  79005] CR2: ffffffff976460db

 6355 13:53:21.730450  # [   46.982995] ---[ end trace 24<4>[   60.241674] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6356 13:53:21.733932  2e5a7a3af61dd6 ]---

 6357 13:53:21.740769  <4>[   60.257316] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6358 13:53:21.747207  <4>[   60.266651] ---[ end trace 242e5a7a3af61de6 ]---

 6359 13:53:21.757330  # [   46.988434] RIP: 0010:lkdtm_BUG+0x5/0x10<6>[   60.272102] lkdtm: Saturation detected: still saturated

 6360 13:53:21.757416  

 6361 13:53:21.780072  # [   46.993104] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03

 6362 13:53:21.783961  # [   47.014382] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286

 6363 13:53:21.793450  # [   47.020500] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000

 6364 13:53:21.800374  # [   47.028764] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0

 6365 13:53:21.810136  # [   47.037018] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001

 6366 13:53:21.816666  # [   47.045281] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10

 6367 13:53:21.826719  # [   47.053543] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10

 6368 13:53:21.836698  # [   47.061806] FS:  00007f65ffb1b740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 6369 13:53:21.842831  # [   47.071128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6370 13:53:21.849560  # [   47.077835] CR2: ffffffff976460db CR3: 0000000106180004 CR4: 00000000003706e0

 6371 13:53:21.856045  # WRITE_KERN: saw 'call trace:': ok

 6372 13:53:21.860210  ok 41 selftests: lkdtm: WRITE_KERN.sh

 6373 13:53:21.862730  # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 6374 13:53:21.869630  # [   47.231433] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 6375 13:53:21.879194  # [   47.242277] lkdtm: attempting good refcount_inc() without overflow

 6376 13:53:21.885967  # [   47.249508] lkdtm: attempting bad refcount_inc() overflow

 6377 13:53:21.889294  # [   47.262034] ------------[ cut here ]------------

 6378 13:53:21.895729  # [   47.267487] refcount_t: saturated; leaking memory.

 6379 13:53:21.905490  # [   47.273157] WARNING: CPU: 2 PID: 2038 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6380 13:53:21.991536  # [   47.282886] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6381 13:53:21.998405  # [   47.371463] CPU: 2 PID: 2038 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6382 13:53:22.004940  # [   47.380442] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6383 13:53:22.011220  # [   47.393758] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6384 13:53:22.034713  # [   47.406101] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 23 80 3d 7e 9f d5 02 00 75 ee 48 c7 c7 d8 33 22 99 c6 05 6e 9f d5 02 01 e8 3a 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22

 6385 13:53:22.041566  # [   47.433617] RSP: 0018:ffffb090829f7e58 EFLAGS: 00010282

 6386 13:53:22.047721  # [   47.439748] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 6387 13:53:22.057605  # [   47.454222] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 6388 13:53:22.067468  # [   47.462493] RBP: 0000000000000016 R08: 0000000000000000 R09: 0000000000000000

 6389 13:53:22.074447  # [   47.470790] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090829f7f10

 6390 13:53:22.084143  # [   47.479079] R13: ffffffff992c8f95 R14: ffff8c7a47b0e000 R15: ffffb090829f7f10

 6391 13:53:22.094193  # [   47.487346] FS:  00007f63cbb08740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 6392 13:53:22.100659  # [   47.496681] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6393 13:53:22.107245  # [   47.503392] CR2: 00007f63cbae7000 CR3: 00000001032f2003 CR4: 00000000003706e0

 6394 13:53:22.110732  # [   47.511676] Call Trace:

 6395 13:53:22.113966  # [   47.514719]  ? __warn+0x80/0x110

 6396 13:53:22.120258  # [   47.518624]  ? refcount_warn_saturate+0x51/0x110

 6397 13:53:22.123586  # [   47.530285]  ? report_bug+0x99/0xc0

 6398 13:53:22.130431  # [   47.534505]  ? handle_bug+0x41/0x80

 6399 13:53:22.133434  # [   47.538722]  ? exc_invalid_op+0x13/0x60

 6400 13:53:22.139959  # [   47.543299]  ? asm_exc_invalid_op+0x12/0x20

 6401 13:53:22.143267  # [   47.548315]  ? refcount_warn_saturate+0x51/0x110

 6402 13:53:22.150025  # [   47.553776]  ? refcount_warn_saturate+0x51/0x110

 6403 13:53:22.156439  # [   47.565434]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 6404 13:53:22.159782  # [   47.571078]  direct_entry.cold+0x2c/0x38

 6405 13:53:22.163462  # [   47.575783]  full_proxy_write+0x53/0x80

 6406 13:53:22.166447  # [   47.580392]  vfs_write+0xf0/0x3c0

 6407 13:53:22.173206  # [   47.584415]  ksys_write+0x74/0xf0

 6408 13:53:22.176513  # [   47.588432]  do_syscall_64+0x30/0x40

 6409 13:53:22.182845  # [   47.592747]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 6410 13:53:22.186370  # [   47.598685] RIP: 0033:0x7f63cbc03240

 6411 13:53:22.206291  # [   47.609185] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6412 13:53:22.216160  # [   47.636686] RSP: 002b:00007ffcaf8cf138 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6413 13:53:22.222669  # [   47.645470] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f63cbc03240

 6414 13:53:22.232758  # [   47.653737] RDX: 0000000000000016 RSI: 00007f63cbae7000 RDI: 0000000000000001

 6415 13:53:22.239182  # [   47.662004] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000

 6416 13:53:22.248883  # [   47.670272] R10: 00007f63cbb244d0 R11: 0000000000000202 R12: 00007f63cbae7000

 6417 13:53:22.255602  # [   47.678539] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 6418 13:53:22.258923  # [   47.693027] irq event stamp: 0

 6419 13:53:22.269160  # [   47.696746] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6420 13:53:22.275655  # [   47.710252] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6421 13:53:22.285695  # [   47.719716] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6422 13:53:22.292206  # [   47.729147] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6423 13:53:22.298467  # [   47.736441] ---[ end trace 242e5a7a3af61dd7 ]---

 6424 13:53:22.305053  # [   47.741890] lkdtm: Overflow detected: saturated

 6425 13:53:22.308401  # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok

 6426 13:53:22.311760  ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 6427 13:53:22.318306  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6428 13:53:22.325049  # [   47.881239] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 6429 13:53:22.335268  # [   47.891272] lkdtm: attempting <6>[   60.852731] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 6430 13:53:22.345261  <6>[   60.861257] lkdtm: attempting bad refcount_sub_and_test() from saturated

 6431 13:53:22.348304  <4>[   60.869043] ------------[ cut here ]------------

 6432 13:53:22.355537  <4>[   60.874522] refcount_t: underflow; use-after-free.

 6433 13:53:22.364990  <4>[   60.880191] WARNING: CPU: 2 PID: 2590 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6434 13:53:22.368050  good refcount_add() without overflow

 6435 13:53:22.453984  # [   47.904710] lkdtm: at<4>[   60.889917] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6436 13:53:22.464156  <4>[   60.978509] CPU: 2 PID: 2590 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6437 13:53:22.467095  tempting bad refcount_add() overflow

 6438 13:53:22.477066  # [   47.917253] ---------<4>[   60.987465] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6439 13:53:22.480221  <4>[   61.000773] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6440 13:53:22.503189  <4>[   61.006901] Code: 02 01 e8 f4 1f c3 00 0f 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 99 c6 05 03 9f d5 02 01 e8 d1 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d ee 9e d5 02 00 0f 85 5e ff ff ff 48 c7

 6441 13:53:22.510088  <4>[   61.028178] RSP: 0018:ffffb09083277e50 EFLAGS: 00010286

 6442 13:53:22.516777  <4>[   61.034305] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 6443 13:53:22.526735  <4>[   61.042572] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 6444 13:53:22.533623  <4>[   61.050834] RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000

 6445 13:53:22.543505  <4>[   61.059097] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09083277f10

 6446 13:53:22.549893  <4>[   61.067362] R13: ffffffff992c8cc8 R14: ffff8c7a47b08000 R15: ffffb09083277f10

 6447 13:53:22.559707  <4>[   61.075630] FS:  00007f21e3f78740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 6448 13:53:22.566471  <4>[   61.084963] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6449 13:53:22.576319  <4>[   61.091676] CR2: 00007f21e3f57000 CR3: 0000000100e76002 CR4: 00000000003706e0

 6450 13:53:22.579374  <4>[   61.099939] Call Trace:

 6451 13:53:22.582829  <4>[   61.102961]  ? __warn+0x80/0x110

 6452 13:53:22.586255  <4>[   61.106888]  ? refcount_warn_saturate+0xba/0x110

 6453 13:53:22.592907  <4>[   61.112338]  ? report_bug+0x99/0xc0

 6454 13:53:22.595995  <4>[   61.116549]  ? handle_bug+0x41/0x80

 6455 13:53:22.599273  <4>[   61.120759]  ? exc_invalid_op+0x13/0x60

 6456 13:53:22.602549  ---[ cut here ]------------

 6457 13:53:22.612559  # [   47.928896] refcount_t: satura<4>[   61.125340]  ? asm_exc_invalid_op+0x12/0x20

 6458 13:53:22.612672  ted; leaking memory.

 6459 13:53:22.622559  # [   47.940771] WARNING: CPU: 0 PID: 2071<4>[   61.136519]  ? refcount_warn_saturate+0xba/0x110

 6460 13:53:22.628941  <4>[   61.148181]  __refcount_sub_and_test.constprop.0+0x34/0x40

 6461 13:53:22.635842   at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6462 13:53:22.642171  # [   4<4>[   61.154627]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3c/0x74

 6463 13:53:22.645469  <4>[   61.167453]  direct_entry.cold+0x2c/0x38

 6464 13:53:22.659078  7.956698] Modules linked in: fuse ip_tables cros_ec_lid_angle cr<4>[   61.172154]  full_proxy_write+0x53/0x80

 6465 13:53:22.662106  <4>[   61.182937]  vfs_write+0xf0/0x3c0

 6466 13:53:22.665623  <4>[   61.186975]  ksys_write+0x74/0xf0

 6467 13:53:22.675301  os_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer<4>[   61.190982]  do_syscall_64+0x30/0x40

 6468 13:53:22.681814  <4>[   61.201470]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 6469 13:53:22.685338  <4>[   61.207404] RIP: 0033:0x7f21e4073240

 6470 13:53:22.708576  <4>[   61.211687] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6471 13:53:22.718309  <4>[   61.232964] RSP: 002b:00007fff4e5ceeb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6472 13:53:22.725295  <4>[   61.241714] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f21e4073240

 6473 13:53:22.734826  <4>[   61.249978] RDX: 0000000000000020 RSI: 00007f21e3f57000 RDI: 0000000000000001

 6474 13:53:22.741633  <4>[   61.258241] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000

 6475 13:53:22.751309  <4>[   61.266504] R10: 00007f21e3f944d0 R11: 0000000000000202 R12: 00007f21e3f57000

 6476 13:53:22.758065  <4>[   61.274768] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 6477 13:53:22.761732  <4>[   61.283035] irq event stamp: 0

 6478 13:53:22.768090  <4>[   61.286764] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6479 13:53:22.777919  <4>[   61.294059] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6480 13:53:22.787762  <4>[   61.303488] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6481 13:53:22.794304  <4>[   61.312916] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6482 13:53:22.801077  <4>[   61.320208] ---[ end trace 242e5a7a3af61de7 ]---

 6483 13:53:22.808064  <6>[   61.325658] lkdtm: Saturation detected: still saturated

 6484 13:53:22.876995   kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6485 13:53:22.883635  # [   48.045304] CPU: 0 PID: 2071 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6486 13:53:22.890122  # [   48.060537] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6487 13:53:22.897013  # [   48.073783] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6488 13:53:22.919734  # [   48.086149] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 23 80 3d 7e 9f d5 02 00 75 ee 48 c7 c7 d8 33 22 99 c6 05 6e 9f d5 02 01 e8 3a 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22

 6489 13:53:22.926757  # [   48.113670] RSP: 0018:ffffb09082a4fe58 EFLAGS: 00010282

 6490 13:53:22.933003  # [   48.126042] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 6491 13:53:22.939734  # [   48.140483] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50

 6492 13:53:22.949567  # [   48.154977] RBP: 0000000000000016 R08: 0000000000000000 R09: 0000000000000000

 6493 13:53:22.956311  # [   48.169453] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082a4ff10

 6494 13:53:22.966089  # [   48.183946] R13: ffffffff992c8fab R14: ffff8c7a42afe000 R15: ffffb09082a4ff10

 6495 13:53:22.975741  # [   48.198417] FS:  00007f043e4c0740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 6496 13:53:22.982794  # [   48.213993] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6497 13:53:22.989228  # [   48.226906] CR2: 00007f043e49f000 CR3: 000000010732e002 CR4: 00000000003706f0

 6498 13:53:22.992589  # [   48.241408] Call Trace:

 6499 13:53:22.995880  # [   48.250645]  ? __warn+0x80/0x110

 6500 13:53:23.002316  # [   48.260776]  ? refcount_warn_saturate+0x51/0x110

 6501 13:53:23.006042  # [   48.272414]  ? report_bug+0x99/0xc0

 6502 13:53:23.009017  # [   48.282833]  ? handle_bug+0x41/0x80

 6503 13:53:23.018845  # [   48.293224]  ? <6>[   61.535440] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 6504 13:53:23.025436  <6>[   61.543941] lkdtm: attempting good copy_to_user of correct size

 6505 13:53:23.032432  <6>[   61.550851] lkdtm: attempting bad copy_to_user of too large size

 6506 13:53:23.035531  exc_invalid_op+0x13/0x60

 6507 13:53:23.038826  # [   48.304036]  ? asm_exc_invalid_op+0x12/0x20

 6508 13:53:23.045390  # [   48.315203]  ? refcount_warn_saturate+0x51/0x110

 6509 13:53:23.052454  # [   48.326888]  ? refcount_warn_saturate+0x51/0x110

 6510 13:53:23.055196  # [   48.338539]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 6511 13:53:23.062000  # [   48.350451]  direct_entry.cold+0x2c/0x38

 6512 13:53:23.065679  # [   48.361298]  full_proxy_write+0x53/0x80

 6513 13:53:23.068579  # [   48.372098]  vfs_write+0xf0/0x3c0

 6514 13:53:23.072000  # [   48.382291]  ksys_write+0x74/0xf0

 6515 13:53:23.078457  # [   48.392510]  do_syscall_64+0x30/0x40

 6516 13:53:23.081717  # [   48.403009]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 6517 13:53:23.088681  # [   48.415157] RIP: 0033:0x7f043e5bb240

 6518 13:53:23.108297  # [   48.425684] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6519 13:53:23.118333  # [   48.453181] RSP: 002b:00007ffcc8558f68 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6520 13:53:23.124800  # [   48.468161] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f043e5bb240

 6521 13:53:23.134925  # [   48.482637] RDX: 0000000000000016 RSI: 00007f043e49f000 RDI: 0000000000000001

 6522 13:53:23.141042  # [   48.497145] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000

 6523 13:53:23.151152  # [   48.511623] R10: 00007f043e4dc4d0 R11: 0000000000000202 R12: 00007f043e49f000

 6524 13:53:23.157749  # [   48.526106] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 6525 13:53:23.161024  # [   48.540585] irq event stamp: 0

 6526 13:53:23.171484  # [   48.550497] h<6>[   61.686293] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 6527 13:53:23.177665  ardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6528 13:53:23.184182  # [   48<6>[   61.695715] lkdtm: attempting good copy_from_user of correct size

 6529 13:53:23.197467  .564015] hardirqs last disabled at (0): [<ffffffff965001e1>] cop<6>[   61.709059] lkdtm: attempting bad copy_from_user of too large size

 6530 13:53:23.201238  y_process+0x6e1/0x2190

 6531 13:53:23.210551  # [   48.579642] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6532 13:53:23.217238  # [   48.595317] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6533 13:53:23.220556  # [   48.608845] ---[ end trace 242e5a7a3af61dd8 ]---

 6534 13:53:23.227441  # [   48.620516] lkdtm: Overflow detected: saturated

 6535 13:53:23.230248  # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok

 6536 13:53:23.236722  ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6537 13:53:23.240579  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6538 13:53:23.250167  # [   48.783887] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 6539 13:53:23.256907  # [   48.795539] lkdtm: attempting bad refcount_inc_not_zero() overflow

 6540 13:53:23.263291  # [   48.808983] ------------[ cut here ]------------

 6541 13:53:23.266692  # [   48.820663] refcount_t: saturated; leaking memory.

 6542 13:53:23.276509  # [   48.832516] WARNING: CPU: 0 PID: 2104 at lib/refcount.c:19 refcount_warn_saturate+0x74/0x110

 6543 13:53:23.336115  # [   48.848490] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_so<6>[   61.848990] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 6544 13:53:23.342615  <6>[   61.860491] lkdtm: attempting good copy_to_user inside whitelist

 6545 13:53:23.349076  <6>[   61.867538] lkdtm: attempting bad copy_to_user outside whitelist

 6546 13:53:23.381807  c_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6547 13:53:23.388816  # [   48.937049] CPU: 0 PID: 2104 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6548 13:53:23.395281  # [   48.952258] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6549 13:53:23.401796  # [   48.965557] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6550 13:53:23.424843  # [   48.977893] Code: 02 01 e8 3a 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 99 c6 05 4c 9f d5 02 01 e8 17 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22

 6551 13:53:23.431473  # [   49.005363] RSP: 0018:ffffb09082abfe48 EFLAGS: 00010286

 6552 13:53:23.437974  # [   49.017720] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 6553 13:53:23.444688  # [   49.032181] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50

 6554 13:53:23.454517  # [   49.046683] RBP: 000000000000001f R08: 0000000000000000 R09: 0000000000000000

 6555 13:53:23.461354  # [   49.061144] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082abff10

 6556 13:53:23.471103  # [   49.075686] R13: ffffffff992c8be8 R14: ffff8c7a42b08000 R15: ffffb09082abff10

 6557 13:53:23.480831  # [   49.090122] FS:  00007fc28919a740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 6558 13:53:23.487894  # [   49.105721] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6559 13:53:23.500713  # [   49.118654] CR2: 00007fc289179000 CR3: 0000000106136006 <6>[   62.016366] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 6560 13:53:23.507574  <6>[   62.025196] lkdtm: attempting good copy_from_user inside whitelist

 6561 13:53:23.510545  CR4: 00000000003706f0

 6562 13:53:23.514096  # [   49.133148] Call Trace:

 6563 13:53:23.520479  # [   49.14<6>[   62.032411] lkdtm: attempting bad copy_from_user outside whitelist

 6564 13:53:23.524339  2374]  ? __warn+0x80/0x110

 6565 13:53:23.527474  # [   49.152506]  ? refcount_warn_saturate+0x74/0x110

 6566 13:53:23.533985  # [   49.164158]  ? report_bug+0x99/0xc0

 6567 13:53:23.537073  # [   49.174582]  ? handle_bug+0x41/0x80

 6568 13:53:23.540584  # [   49.184990]  ? exc_invalid_op+0x13/0x60

 6569 13:53:23.547111  # [   49.195853]  ? asm_exc_invalid_op+0x12/0x20

 6570 13:53:23.550191  # [   49.207023]  ? refcount_warn_saturate+0x74/0x110

 6571 13:53:23.556815  # [   49.218700]  ? refcount_warn_saturate+0x74/0x110

 6572 13:53:23.563433  # [   49.230357]  __refcount_add_not_zero.constprop.0+0x26/0x31

 6573 13:53:23.569909  # [   49.243047]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3c/0x74

 6574 13:53:23.573629  # [   49.255755]  direct_entry.cold+0x2c/0x38

 6575 13:53:23.580102  # [   49.266688]  full_proxy_write+0x53/0x80

 6576 13:53:23.583265  # [   49.277471]  vfs_write+0xf0/0x3c0

 6577 13:53:23.586481  # [   49.287768]  ksys_write+0x74/0xf0

 6578 13:53:23.590048  # [   49.297967]  do_syscall_64+0x30/0x40

 6579 13:53:23.596425  # [   49.308507]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 6580 13:53:23.599931  # [   49.320640] RIP: 0033:0x7fc289295240

 6581 13:53:23.622895  # [   49.331151] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6582 13:53:23.629470  # [   49.358645] RSP: 002b:00007ffecc46a9f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6583 13:53:23.639604  # [   49.373684] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc289295240

 6584 13:53:23.646280  # [   49.388141] RDX: 000000000000001f RSI: 00007fc289179000 RDI: 0000000000000001

 6585 13:53:23.659381  # [   49.402679] RBP: 000000000000001f R08: 00<6>[   62.174823] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 6586 13:53:23.662476  000000ffffffff R09: 0000000000000000

 6587 13:53:23.672646  # [   49.417159] R10: 0000<6>[   62.183703] lkdtm: good_stack: ffffb09083637e28-ffffb09083637e48

 6588 13:53:23.675972  7fc2891b64d0 R11: 0000000000000202 R12: 00007fc289179000

 6589 13:53:23.685863  # [   <6>[   62.196914] lkdtm: bad_stack : ffffb09083637db0-ffffb09083637dd0

 6590 13:53:23.698856  49.431679] R13: 0000000000000001 R14: 0000000000020000 R15: 0000<6>[   62.210161] lkdtm: attempting good copy_to_user of local stack

 6591 13:53:23.698937  000000000000

 6592 13:53:23.702422  # [   49.446158] irq event stamp: 0

 6593 13:53:23.712432  # [   49.4561<6>[   62.223142] lkdtm: attempting bad copy_to_user of distant stack

 6594 13:53:23.715981  32] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6595 13:53:23.725355  # [   49.469619] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6596 13:53:23.735597  # [   49.485296] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6597 13:53:23.741861  # [   49.500940] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6598 13:53:23.748417  # [   49.514484] ---[ end trace 242e5a7a3af61dd9 ]---

 6599 13:53:23.754966  # [   49.526142] lkdtm: Overflow detected: saturated

 6600 13:53:23.758577  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6601 13:53:23.764935  ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6602 13:53:23.771519  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6603 13:53:23.778406  # [   49.671440] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 6604 13:53:23.784930  # [   49.682562] lkdtm: attempting bad refcount_add_not_zero() overflow

 6605 13:53:23.791696  # [   49.695976] ------------[ cut here ]------------

 6606 13:53:23.794833  # [   49.707641] refcount_t: saturated; leaking memory.

 6607 13:53:23.804654  # [   49.719531] WARNING: CPU: 1 PID: 2137 at lib/refcount.c:19 refcount_warn_saturate+0x74/0x110

 6608 13:53:23.847626  # [   49.735443] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt video<6>[   62.366440] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 6609 13:53:23.864053  buf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor<6>[   62.374227] lkdtm: good_stack: ffffb090836efe28-ffffb090836efe48

 6610 13:53:23.876906  _thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_tem<6>[   62.387450] lkdtm: bad_stack : ffffb090836efdb0-ffffb090836efdd0

 6611 13:53:23.890348  p_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_c<6>[   62.400679] lkdtm: attempting good copy_from_user of local stack

 6612 13:53:23.903800  ore iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_d<6>[   62.413866] lkdtm: attempting bad copy_from_user of distant stack

 6613 13:53:23.923209  ts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6614 13:53:23.933347  # [   49.824037] CPU: 1 PID: 2137 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6615 13:53:23.939805  # [   49.839198] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6616 13:53:23.946338  # [   49.852515] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6617 13:53:23.966129  # [   49.864858] Code: 02 01 e8 3a 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 99 c6 05 4c 9f d5 02 01 e8 17 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22

 6618 13:53:23.973023  # [   49.892359] RSP: 0018:ffffb09082b8fe48 EFLAGS: 00010286

 6619 13:53:23.979368  # [   49.904703] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 6620 13:53:23.989554  # [   49.919210] RDX: ffff8c7abacac620 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50

 6621 13:53:23.995758  # [   49.933678] RBP: 000000000000001f R08: 0000000000000000 R09: 0000000000000000

 6622 13:53:24.005997  # [   49.948157] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082b8ff10

 6623 13:53:24.012294  # [   49.956424] R13: ffffffff992c8c08 R14: ffff8c7a42bf7000 R15: ffffb09082b8ff10

 6624 13:53:24.022697  # [   49.970899] FS:  00007f89f7be1740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 6625 13:53:24.029312  # [   49.980235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6626 13:53:24.038751  # [   49.993156] CR2: 00007f89f7bc0000<6>[   62.556720] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 6627 13:53:24.045652  <6>[   62.564705] lkdtm: good_stack: ffffb0908374fe28-ffffb0908374fe48

 6628 13:53:24.051976  <6>[   62.571712] lkdtm: bad_stack : ffffb0908374fff8-ffffb09083750018

 6629 13:53:24.058508   CR3: 000000010653e001 CR4: 00000000003706e0

 6630 13:53:24.065284  # [   50.001425] C<6>[   62.578784] lkdtm: attempting good copy_to_user of local stack

 6631 13:53:24.075010  <6>[   62.591806] lkdtm: attempting bad copy_to_user of distant stack

 6632 13:53:24.078322  <4>[   62.598767] lkdtm: copy_to_user failed, but lacked Oops

 6633 13:53:24.081965  all Trace:

 6634 13:53:24.084834  # [   50.010700]  ? __warn+0x80/0x110

 6635 13:53:24.091886  # [   50.020808]  ? refcount_warn_saturate+0x74/0x110

 6636 13:53:24.094890  # [   50.032477]  ? report_bug+0x99/0xc0

 6637 13:53:24.098273  # [   50.042879]  ? handle_bug+0x41/0x80

 6638 13:53:24.101565  # [   50.053279]  ? exc_invalid_op+0x13/0x60

 6639 13:53:24.107854  # [   50.064071]  ? asm_exc_invalid_op+0x12/0x20

 6640 13:53:24.111487  # [   50.075270]  ? refcount_warn_saturate+0x74/0x110

 6641 13:53:24.117768  # [   50.086916]  ? refcount_warn_saturate+0x74/0x110

 6642 13:53:24.124579  # [   50.098583]  __refcount_add_not_zero.constprop.0+0x26/0x31

 6643 13:53:24.131139  # [   50.111220]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3c/0x74

 6644 13:53:24.134565  # [   50.123956]  direct_entry.cold+0x2c/0x38

 6645 13:53:24.141429  # [   50.134849]  full_proxy_write+0x53/0x80

 6646 13:53:24.144141  # [   50.145639]  vfs_write+0xf0/0x3c0

 6647 13:53:24.147731  # [   50.155846]  ksys_write+0x74/0xf0

 6648 13:53:24.151391  # [   50.166053]  do_syscall_64+0x30/0x40

 6649 13:53:24.158846  # [   50.176553]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 6650 13:53:24.162133  # [   50.188703] RIP: 0033:0x7f89f7cdc240

 6651 13:53:24.182364  # [   50.199201] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6652 13:53:24.192278  # [   50.220485] RSP: 002b:00007ffc67b15c18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6653 13:53:24.199222  # [   50.235443] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f89f7cdc240

 6654 13:53:24.208921  # [   50.249922] RDX: 000000000000001f RSI: 00007f89f7bc0000 RDI: 0000000000000001

 6655 13:53:24.215400  # [   50.258188] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000

 6656 13:53:24.222451  # [<6>[   62.736840] lkdtm: Performing direct entry USERCOPY_KERNEL

 6657 13:53:24.238596     50.272671] R10: 00007f89f7bfd4d0 R11: 0000000000000202 R12: 0<6>[   62.748334] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff98e41090

 6658 13:53:24.248617  <6>[   62.763488] lkdtm: attempting bad copy_to_user from kernel text: ffffffff966ea600

 6659 13:53:24.251875  <3>[   62.772149] lkdtm: FAIL: survived bad copy_to_user()

 6660 13:53:24.254999  0007f89f7bc0000

 6661 13:53:24.261699  # [   50.280938] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 6662 13:53:24.265321  # [   50.295418] irq event stamp: 0

 6663 13:53:24.275135  # [   50.305332] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6664 13:53:24.281624  # [   50.312630] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6665 13:53:24.291584  # [   50.328271] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6666 13:53:24.298056  # [   50.343916] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6667 13:53:24.304764  # [   50.351236] ---[ end trace 242e5a7a3af61dda ]---

 6668 13:53:24.311226  # [   50.362895] lkdtm: Overflow detected: saturated

 6669 13:53:24.314734  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6670 13:53:24.321275  ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6671 13:53:24.324651  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6672 13:53:24.331676  # [   50.506744] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 6673 13:53:24.337588  # [   50.517855] lkdtm: attempting good refcount_dec()

 6674 13:53:24.344777  # [   50.529616] lkdtm: attempting bad refcount_dec() to zero

 6675 13:53:24.347444  # [   50.542050] ------------[ cut here ]------------

 6676 13:53:24.354187  # [   50.553711] refcount_t: decrement hit 0; leaking memory.

 6677 13:53:24.364296  # [   50.566165] WARNING: CPU: 1 PID: 2170 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6678 13:53:24.390480  # [   50.582090] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_deb<6>[   62.906556] lkdtm: Performing direct entry STACKLEAK_ERASING

 6679 13:53:24.403938  ugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec<6>[   62.915185] lkdtm: checking unused part of the thread stack (15944 bytes)...

 6680 13:53:24.420312  _sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvid<3>[   62.929606] lkdtm: FAIL: the erased part is not found (checked 15944 bytes)

 6681 13:53:24.433333  eo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecd<3>[   62.943914] lkdtm: FAIL: the thread stack is NOT properly erased

 6682 13:53:24.447011  h_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device<4>[   62.957192] CPU: 0 PID: 2967 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6683 13:53:24.453505  <4>[   62.972263] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6684 13:53:24.456858  <4>[   62.979359] Call Trace:

 6685 13:53:24.459968  <4>[   62.982382]  dump_stack+0x77/0x9b

 6686 13:53:24.466948  <4>[   62.986375]  lkdtm_STACKLEAK_ERASING+0x113/0x141

 6687 13:53:24.469802  <4>[   62.991822]  direct_entry.cold+0x2c/0x38

 6688 13:53:24.476726  <4>[   62.996498]  full_proxy_write+0x53/0x80

 6689 13:53:24.479719  <4>[   63.001079]  vfs_write+0xf0/0x3c0

 6690 13:53:24.483505  <4>[   63.005068]  ksys_write+0x74/0xf0

 6691 13:53:24.489942  <4>[   63.009050]  do_syscall_64+0x30/0x40

 6692 13:53:24.493143  <4>[   63.013331]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 6693 13:53:24.499764  <4>[   63.019255] RIP: 0033:0x7f95587bb240

 6694 13:53:24.519562  <4>[   63.023534] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6695 13:53:24.529545  <4>[   63.044812] RSP: 002b:00007ffdbe5645b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6696 13:53:24.536318  <4>[   63.053562] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f95587bb240

 6697 13:53:24.546039  <4>[   63.061824] RDX: 0000000000000012 RSI: 00007f955869f000 RDI: 0000000000000001

 6698 13:53:24.552626  <4>[   63.070086] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000

 6699 13:53:24.562655  <4>[   63.078349] R10: 00007f95586dc4d0 R11: 0000000000000202 R12: 00007f955869f000

 6700 13:53:24.568984  <4>[   63.086624] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 6701 13:53:24.609024   intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6702 13:53:24.615451  # [   50.670690] CPU: 1 PID: 2170 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6703 13:53:24.625319  # [   50.685848] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6704 13:53:24.628804  # [   50.699161] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6705 13:53:24.651695  # [   50.711505] Code: 88 34 22 99 c6 05 da 9e d5 02 01 e8 aa 1f c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 34 22 99 c6 05 c1 9e d5 02 01 e8 90 1f c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6706 13:53:24.658234  # [   50.739002] RSP: 0018:ffffb09082c0fe58 EFLAGS: 00010282

 6707 13:53:24.664760  # [   50.751346] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 6708 13:53:24.675087  # [   50.765827] RDX: ffff8c7abacac620 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50

 6709 13:53:24.681607  # [   50.780309] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000

 6710 13:53:24.691134  # [   50.794790] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082c0ff10

 6711 13:53:24.698082  # [   50.809271] R13: ffffffff992c8fc1 R14: ffff8c7a47383000 R15: ffffb09082c0ff10

 6712 13:53:24.707924  # [   50.823755] FS:  00007f93abce8740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000

 6713 13:53:24.714233  # [   50.839305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6714 13:53:24.724460  # [   50.852234] CR2: 00007f93abcc7000 CR3: 000000010<6>[   63.240384] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 6715 13:53:24.727572  6484005 CR4: 00000000003706e0

 6716 13:53:24.731113  # [   50.866717] Call Trace:

 6717 13:53:24.737456  # [<6>[   63.250716] lkdtm: Calling matched prototype ...

 6718 13:53:24.741172     50.875960]  ? __warn+0x80/0x110

 6719 13:53:24.750598  # [   50.886067]  ? refcount<6>[   63.262384] lkdtm: Calling mismatched prototype ...

 6720 13:53:24.750695  _warn_saturate+0xfb/0x110

 6721 13:53:24.764051  # [   50.897736]  ? report_bug+0x99/0<6>[   63.274356] lkdtm: Fail: survived mismatched prototype function call!

 6722 13:53:24.764177  xc0

 6723 13:53:24.767449  # [   50.908141]  ? handle_bug+0x41/0x80

 6724 13:53:24.770862  # [   50.918541]  ? exc_invalid_op+0x13/0x60

 6725 13:53:24.777262  # [   50.929334]  ? asm_exc_invalid_op+0x12/0x20

 6726 13:53:24.780555  # [   50.940517]  ? refcount_warn_saturate+0xfb/0x110

 6727 13:53:24.787203  # [   50.952178]  ? refcount_warn_saturate+0xfb/0x110

 6728 13:53:24.793943  # [   50.963841]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 6729 13:53:24.797090  # [   50.975314]  direct_entry.cold+0x2c/0x38

 6730 13:53:24.800177  # [   50.986204]  full_proxy_write+0x53/0x80

 6731 13:53:24.807189  # [   50.996996]  vfs_write+0xf0/0x3c0

 6732 13:53:24.810239  # [   51.007202]  ksys_write+0x74/0xf0

 6733 13:53:24.813822  # [   51.017412]  do_syscall_64+0x30/0x40

 6734 13:53:24.820188  # [   51.027913]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 6735 13:53:24.823456  # [   51.040064] RIP: 0033:0x7f93abde3240

 6736 13:53:24.846605  # [   51.050563] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6737 13:53:24.853059  # [   51.078061] RSP: 002b:00007ffef8e95378 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6738 13:53:24.863004  # [   51.093030] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f93abde3240

 6739 13:53:24.872903  # [   51.107513] RDX: 0000000000000012 RSI: 00007f93abcc7000 RDI: 0000000000000001

 6740 13:53:24.879541  # [   51.121994] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000

 6741 13:53:24.889577  # [   51.130264] R10: 00007f93abd044d0 R11: 0000000000000202 R12: 00007f93abcc7000

 6742 13:53:24.896261  # [   51.144747] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 6743 13:53:24.899486  # [   51.153021] irq event stamp: 0

 6744 13:53:24.909458  # [   51.162929] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6745 13:53:24.919272  # [   51.176439] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6746 13:53:24.925932  # [   51.185873] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6747 13:53:24.935500  # [   51.200834] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6748 13:53:24.939163  # [   51.208156] ---[ end trace 242e5a7a3af61ddb ]---

 6749 13:53:24.945394  # [   51.219818] lkdtm: Zero detected: saturated

 6750 13:53:24.949060  # REFCOUNT_DEC_ZERO: saw 'call trace:': ok

 6751 13:53:24.955483  ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6752 13:53:24.958931  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6753 13:53:24.965601  # [   51.371457] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6754 13:53:24.972107  # [   51.384536] lkdtm: attempting bad refcount_dec() below zero

 6755 13:53:24.978404  # [   51.397291] ------------[ cut here ]------------

 6756 13:53:24.985130  # [   51.408951] refcount_t: decrement hit 0; leaking memory.

 6757 13:53:24.995405  # [   51.421441] WARNING: CPU: 0 PID: 2206 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6758 13:53:25.080956  # [   51.437346] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6759 13:53:25.090672  # [   51.525968] CPU: 0 PID: 2206 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6760 13:53:25.097257  # [   51.541082] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6761 13:53:25.103875  # [   51.554394] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6762 13:53:25.123991  # [   51.566737] Code: 88 34 22 99 c6 05 da 9e d5 02 01 e8 aa 1f c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 34 22 99 c6 05 c1 9e d5 02 01 e8 90 1f c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6763 13:53:25.130695  # [   51.594224] RSP: 0018:ffffb09082cafe58 EFLAGS: 00010282

 6764 13:53:25.141067  # [   51.606580] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6765 13:53:25.146959  # [   51.621049] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50

 6766 13:53:25.157000  # [   51.635551] RBP: 0000000000000016 R08: 0000000000000000 R09: 0000000000000000

 6767 13:53:25.167185  # [   51.650014] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082caff10

 6768 13:53:25.173954  # [   51.664518] R13: ffffffff992c8fd3 R14: ffff8c7a470ae000 R15: ffffb09082caff10

 6769 13:53:25.183617  # [   51.678984] FS:  00007f67b5143740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 6770 13:53:25.190025  # [   51.694548] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6771 13:53:25.199870  # [   51.707457] CR2: 00007f67b5122000 CR3: 0000000107d86003 CR4: 00000000003706f0

 6772 13:53:25.203291  # [   51.721967] Call Trace:

 6773 13:53:25.206909  # [   51.731193]  ? __warn+0x80/0x110

 6774 13:53:25.209842  # [   51.741308]  ? refcount_warn_saturate+0xfb/0x110

 6775 13:53:25.216429  # [   51.752970]  ? report_bug+0x99/0xc0

 6776 13:53:25.219879  # [   51.763381]  ? handle_bug+0x41/0x80

 6777 13:53:25.222957  # [   51.773771]  ? exc_invalid_op+0x13/0x60

 6778 13:53:25.229914  # [   51.784589]  ? asm_exc_invalid_op+0x12/0x20

 6779 13:53:25.232966  # [   51.795752]  ? refcount_warn_saturate+0xfb/0x110

 6780 13:53:25.239580  # [   51.807401]  ? refcount_warn_saturate+0xfb/0x110

 6781 13:53:25.246010  # [   51.819099]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x35/0x5f

 6782 13:53:25.249656  # [   51.830944]  direct_entry.cold+0x2c/0x38

 6783 13:53:25.256583  # [   51.841833]  full_proxy_write+0x53/0x80

 6784 13:53:25.259553  # [   51.852669]  vfs_write+0xf0/0x3c0

 6785 13:53:25.262685  # [   51.862876]  ksys_write+0x74/0xf0

 6786 13:53:25.266194  # [   51.873084]  do_syscall_64+0x30/0x40

 6787 13:53:25.272812  # [   51.883595]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 6788 13:53:25.279289  # [   51.895725] RIP: 0033:0x7f67b523e240

 6789 13:53:25.299146  # [   51.906253] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6790 13:53:25.309332  # [   51.933776] RSP: 002b:00007ffeece446b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6791 13:53:25.315721  # [   51.948741] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f67b523e240

 6792 13:53:25.325771  # [   51.963216] RDX: 0000000000000016 RSI: 00007f67b5122000 RDI: 0000000000000001

 6793 13:53:25.332195  # [   51.977713] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000

 6794 13:53:25.342306  # [   51.992200] R10: 00007f67b515f4d0 R11: 0000000000000202 R12: 00007f67b5122000

 6795 13:53:25.351862  # [   52.006693] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 6796 13:53:25.355082  # [   52.021165] irq event stamp: 0

 6797 13:53:25.362306  # [   52.031083] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6798 13:53:25.371775  # [   52.044587] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6799 13:53:25.382152  # [   52.060239] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6800 13:53:25.388553  # [   52.075905] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6801 13:53:25.395049  # [   52.089422] ---[ end trace 242e5a7a3af61ddc ]---

 6802 13:53:25.401742  # [   52.101106] lkdtm: Negative detected: saturated

 6803 13:53:25.408254  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 6804 13:53:25.411505  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6805 13:53:25.418308  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6806 13:53:25.424900  # [   52.279690] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6807 13:53:25.431239  # [   52.288324] lkdtm: attempting bad refcount_dec_and_test() below zero

 6808 13:53:25.438374  # [   52.295722] ------------[ cut here ]------------

 6809 13:53:25.444423  # [   52.301179] refcount_t: underflow; use-after-free.

 6810 13:53:25.454500  # [   52.306879] WARNING: CPU: 2 PID: 2242 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6811 13:53:25.540129  # [   52.316606] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6812 13:53:25.547120  # [   52.405191] CPU: 2 PID: 2242 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6813 13:53:25.556874  # [   52.414167] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6814 13:53:25.563382  # [   52.421267] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6815 13:53:25.583337  # [   52.427397] Code: 02 01 e8 f4 1f c3 00 0f 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 99 c6 05 03 9f d5 02 01 e8 d1 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d ee 9e d5 02 00 0f 85 5e ff ff ff 48 c7

 6816 13:53:25.589913  # [   52.448675] RSP: 0018:ffffb09082cf7e50 EFLAGS: 00010286

 6817 13:53:25.599936  # [   52.454805] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6818 13:53:25.606386  # [   52.463071] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 6819 13:53:25.616063  # [   52.471337] RBP: 000000000000001f R08: 0000000000000000 R09: 0000000000000000

 6820 13:53:25.622973  # [   52.479619] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082cf7f10

 6821 13:53:25.632939  # [   52.487894] R13: ffffffff992c8c28 R14: ffff8c7a4628f000 R15: ffffb09082cf7f10

 6822 13:53:25.642518  # [   52.502374] FS:  00007f21ba6c4740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 6823 13:53:25.649504  # [   52.511731] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6824 13:53:25.659044  # [   52.518441] CR2: 00007f21ba6a3000 CR3: 0000000102bd2001 CR4: 00000000003706e0

 6825 13:53:25.659130  # [   52.526706] Call Trace:

 6826 13:53:25.665848  # [   52.529730]  ? __warn+0x80/0x110

 6827 13:53:25.669470  # [   52.533653]  ? refcount_warn_saturate+0xba/0x110

 6828 13:53:25.675657  # [   52.545311]  ? report_bug+0x99/0xc0

 6829 13:53:25.679269  # [   52.549528]  ? handle_bug+0x41/0x80

 6830 13:53:25.682066  # [   52.553742]  ? exc_invalid_op+0x13/0x60

 6831 13:53:25.689087  # [   52.564532]  ? asm_exc_invalid_op+0x12/0x20

 6832 13:53:25.695499  # [   52.575728]  ? refcount_warn_saturate+0xba/0x110

 6833 13:53:25.702058  # [   52.581190]  __refcount_sub_and_test.constprop.0+0x34/0x40

 6834 13:53:25.708810  # [   52.593819]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3a/0x74

 6835 13:53:25.712049  # [   52.600339]  direct_entry.cold+0x2c/0x38

 6836 13:53:25.715207  # [   52.605042]  full_proxy_write+0x53/0x80

 6837 13:53:25.721767  # [   52.609642]  vfs_write+0xf0/0x3c0

 6838 13:53:25.725273  # [   52.613642]  ksys_write+0x74/0xf0

 6839 13:53:25.728428  # [   52.623845]  do_syscall_64+0x30/0x40

 6840 13:53:25.735102  # [   52.628133]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 6841 13:53:25.738249  # [   52.640281] RIP: 0033:0x7f21ba7bf240

 6842 13:53:25.781471  # [   52.644584] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6843 13:53:25.781592  # [   52.665866] RSP: 002b:00007ffe59dca278 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6844 13:53:25.781653  # [   52.674663] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f21ba7bf240

 6845 13:53:25.788248  # [   52.682959] RDX: 000000000000001f RSI: 00007f21ba6a3000 RDI: 0000000000000001

 6846 13:53:25.794413  # [   52.691224] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000

 6847 13:53:25.804418  # [   52.699487] R10: 00007f21ba6e04d0 R11: 0000000000000202 R12: 00007f21ba6a3000

 6848 13:53:25.811077  # [   52.707750] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 6849 13:53:25.817389  # [   52.716018] irq event stamp: 0

 6850 13:53:25.824041  # [   52.719743] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6851 13:53:25.834196  # [   52.733251] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6852 13:53:25.844377  # [   52.742707] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6853 13:53:25.850603  # [   52.752137] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6854 13:53:25.857356  # [   52.759430] ---[ end trace 242e5a7a3af61ddd ]---

 6855 13:53:25.860493  # [   52.764878] lkdtm: Negative detected: saturated

 6856 13:53:25.870463  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6857 13:53:25.873861  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6858 13:53:25.880082  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6859 13:53:25.886649  # [   52.914182] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6860 13:53:25.897144  # [   52.927450] lkdtm: attempting bad refcount_sub_and_test() below zero

 6861 13:53:25.901029  # [   52.941069] ------------[ cut here ]------------

 6862 13:53:25.907514  # [   52.952719] refcount_t: underflow; use-after-free.

 6863 13:53:25.917440  # [   52.964666] WARNING: CPU: 0 PID: 2278 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6864 13:53:26.003577  # [   52.980533] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6865 13:53:26.010282  # [   53.069137] CPU: 0 PID: 2278 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6866 13:53:26.019998  # [   53.084271] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6867 13:53:26.023455  # [   53.097627] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6868 13:53:26.046346  # [   53.109948] Code: 02 01 e8 f4 1f c3 00 0f 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 99 c6 05 03 9f d5 02 01 e8 d1 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d ee 9e d5 02 00 0f 85 5e ff ff ff 48 c7

 6869 13:53:26.053347  # [   53.137489] RSP: 0018:ffffb09082da7e50 EFLAGS: 00010286

 6870 13:53:26.063066  # [   53.149818] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6871 13:53:26.069980  # [   53.164347] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50

 6872 13:53:26.079718  # [   53.178814] RBP: 000000000000001f R08: 0000000000000000 R09: 0000000000000000

 6873 13:53:26.086364  # [   53.193346] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082da7f10

 6874 13:53:26.096306  # [   53.207807] R13: ffffffff992c8c48 R14: ffff8c7a46600000 R15: ffffb09082da7f10

 6875 13:53:26.106146  # [   53.222333] FS:  00007f1f6c55b740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 6876 13:53:26.113037  # [   53.237866] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6877 13:53:26.119467  # [   53.250857] CR2: 00007f1f6c53a000 CR3: 00000001071c8001 CR4: 00000000003706f0

 6878 13:53:26.122367  # [   53.265310] Call Trace:

 6879 13:53:26.126036  # [   53.274586]  ? __warn+0x80/0x110

 6880 13:53:26.132502  # [   53.284681]  ? refcount_warn_saturate+0xba/0x110

 6881 13:53:26.136051  # [   53.296365]  ? report_bug+0x99/0xc0

 6882 13:53:26.142543  # [   53.306764]  ? handle_bug+0x41/0x80

 6883 13:53:26.145874  # [   53.317201]  ? exc_invalid_op+0x13/0x60

 6884 13:53:26.152449  # [   53.327981]  ? asm_exc_invalid_op+0x12/0x20

 6885 13:53:26.155522  # [   53.339225]  ? refcount_warn_saturate+0xba/0x110

 6886 13:53:26.162426  # [   53.350860]  __refcount_sub_and_test.constprop.0+0x34/0x40

 6887 13:53:26.169034  # [   53.363558]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3c/0x79

 6888 13:53:26.175492  # [   53.376264]  direct_entry.cold+0x2c/0x38

 6889 13:53:26.178808  # [   53.387206]  full_proxy_write+0x53/0x80

 6890 13:53:26.181940  # [   53.397969]  vfs_write+0xf0/0x3c0

 6891 13:53:26.188603  # [   53.408251]  ksys_write+0x74/0xf0

 6892 13:53:26.191909  # [   53.418436]  do_syscall_64+0x30/0x40

 6893 13:53:26.198802  # [   53.428974]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 6894 13:53:26.201869  # [   53.441110] RIP: 0033:0x7f1f6c656240

 6895 13:53:26.225329  # [   53.451623] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6896 13:53:26.231422  # [   53.479119] RSP: 002b:00007fff477b2808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6897 13:53:26.241420  # [   53.494110] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f1f6c656240

 6898 13:53:26.248152  # [   53.508555] RDX: 000000000000001f RSI: 00007f1f6c53a000 RDI: 0000000000000001

 6899 13:53:26.258049  # [   53.516866] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000

 6900 13:53:26.267987  # [   53.531335] R10: 00007f1f6c5774d0 R11: 0000000000000202 R12: 00007f1f6c53a000

 6901 13:53:26.274995  # [   53.545824] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 6902 13:53:26.278205  # [   53.560329] irq event stamp: 0

 6903 13:53:26.284520  # [   53.570208] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6904 13:53:26.294388  # [   53.583764] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6905 13:53:26.304563  # [   53.599433] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6906 13:53:26.314807  # [   53.615084] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6907 13:53:26.317558  # [   53.628580] ---[ end trace 242e5a7a3af61dde ]---

 6908 13:53:26.324111  # [   53.640257] lkdtm: Negative detected: saturated

 6909 13:53:26.330870  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6910 13:53:26.337730  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6911 13:53:26.341062  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6912 13:53:26.347506  # [   53.775465] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6913 13:53:26.354292  # [   53.782747] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6914 13:53:26.360805  # [   53.790146] lkdtm: Good: zero detected

 6915 13:53:26.364351  # [   53.794656] lkdtm: Correctly stayed at zero

 6916 13:53:26.371044  # [   53.805834] lkdtm: attempting bad refcount_inc() from zero

 6917 13:53:26.377153  # [   53.818470] ------------[ cut here ]------------

 6918 13:53:26.383870  # [   53.823921] refcount_t: addition on 0; use-after-free.

 6919 13:53:26.394277  # [   53.836197] WARNING: CPU: 2 PID: 2311 at lib/refcount.c:25 refcount_warn_saturate+0x97/0x110

 6920 13:53:26.476948  # [   53.845927] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6921 13:53:26.486719  # [   53.934545] CPU: 2 PID: 2311 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6922 13:53:26.493288  # [   53.943506] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6923 13:53:26.499975  # [   53.956810] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6924 13:53:26.523150  # [   53.962971] Code: 02 01 e8 17 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22 99 c6 05 27 9f d5 02 01 e8 f4 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22

 6925 13:53:26.529705  # [   53.984283] RSP: 0018:ffffb09082e37e58 EFLAGS: 00010282

 6926 13:53:26.536829  # [   53.990414] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6927 13:53:26.546326  # [   53.998683] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 6928 13:53:26.552553  # [   54.006950] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000

 6929 13:53:26.563037  # [   54.015216] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082e37f10

 6930 13:53:26.569578  # [   54.023484] R13: ffffffff992c8fe9 R14: ffff8c7a479ea000 R15: ffffb09082e37f10

 6931 13:53:26.579255  # [   54.031750] FS:  00007ff80c699740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 6932 13:53:26.585649  # [   54.041086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6933 13:53:26.595716  # [   54.047799] CR2: 00007ff80c678000 CR3: 0000000105274006 CR4: 00000000003706e0

 6934 13:53:26.598904  # [   54.056067] Call Trace:

 6935 13:53:26.602366  # [   54.059093]  ? __warn+0x80/0x110

 6936 13:53:26.608933  # [   54.063017]  ? refcount_warn_saturate+0x97/0x110

 6937 13:53:26.612199  # [   54.074697]  ? report_bug+0x99/0xc0

 6938 13:53:26.615345  # [   54.078919]  ? handle_bug+0x41/0x80

 6939 13:53:26.622253  # [   54.083137]  ? exc_invalid_op+0x13/0x60

 6940 13:53:26.625617  # [   54.087717]  ? asm_exc_invalid_op+0x12/0x20

 6941 13:53:26.632096  # [   54.098896]  ? refcount_warn_saturate+0x97/0x110

 6942 13:53:26.635504  # [   54.110564]  ? refcount_warn_saturate+0x97/0x110

 6943 13:53:26.641822  # [   54.116041]  lkdtm_REFCOUNT_INC_ZERO+0x95/0xbd

 6944 13:53:26.645641  # [   54.127508]  direct_entry.cold+0x2c/0x38

 6945 13:53:26.651736  # [   54.132213]  full_proxy_write+0x53/0x80

 6946 13:53:26.655403  # [   54.136822]  vfs_write+0xf0/0x3c0

 6947 13:53:26.658305  # [   54.140846]  ksys_write+0x74/0xf0

 6948 13:53:26.665315  # [   54.144842]  do_syscall_64+0x30/0x40

 6949 13:53:26.671864  # [   54.149158]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 6950 13:53:26.675191  # [   54.155095] RIP: 0033:0x7ff80c794240

 6951 13:53:26.694973  # [   54.159410] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 6952 13:53:26.704898  # [   54.180696] RSP: 002b:00007ffc10d58218 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 6953 13:53:26.714697  # [   54.189480] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff80c794240

 6954 13:53:26.721408  # [   54.197748] RDX: 0000000000000012 RSI: 00007ff80c678000 RDI: 0000000000000001

 6955 13:53:26.731134  # [   54.206014] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000

 6956 13:53:26.738139  # [   54.214282] R10: 00007ff80c6b54d0 R11: 0000000000000202 R12: 00007ff80c678000

 6957 13:53:26.747892  # [   54.222549] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 6958 13:53:26.750995  # [   54.230819] irq event stamp: 0

 6959 13:53:26.758022  # [   54.234546] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6960 13:53:26.767413  # [   54.248052] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6961 13:53:26.777573  # [   54.257490] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 6962 13:53:26.787580  # [   54.266921] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6963 13:53:26.790770  # [   54.274215] ---[ end trace 242e5a7a3af61ddf ]---

 6964 13:53:26.797357  # [   54.279681] lkdtm: Zero detected: saturated

 6965 13:53:26.800619  # REFCOUNT_INC_ZERO: saw 'call trace:': ok

 6966 13:53:26.804190  ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6967 13:53:26.810479  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6968 13:53:26.817145  # [   54.606397] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6969 13:53:26.823770  # [   54.614554] lkdtm: attempting safe refcount_add_not_zero() from zero

 6970 13:53:26.826900  # [   54.628160] lkdtm: Good: zero detected

 6971 13:53:26.833800  # [   54.638852] lkdtm: Correctly stayed at zero

 6972 13:53:26.840499  # [   54.643820] lkdtm: attempting bad refcount_add() from zero

 6973 13:53:26.846948  # [   54.650242] ------------[ cut here ]------------

 6974 13:53:26.853988  # [   54.655724] refcount_t: addition on 0; use-after-free.

 6975 13:53:26.863929  # [   54.661786] WARNING: CPU: 2 PID: 2344 at lib/refcount.c:25 refcount_warn_saturate+0x97/0x110

 6976 13:53:26.946000  # [   54.671526] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 6977 13:53:26.956220  # [   54.760098] CPU: 2 PID: 2344 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 6978 13:53:26.962711  # [   54.769076] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6979 13:53:26.969063  # [   54.776178] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6980 13:53:26.992520  # [   54.782339] Code: 02 01 e8 17 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22 99 c6 05 27 9f d5 02 01 e8 f4 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22

 6981 13:53:26.998702  # [   54.803666] RSP: 0018:ffffb09082eb7e58 EFLAGS: 00010282

 6982 13:53:27.005486  # [   54.809827] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6983 13:53:27.015552  # [   54.818094] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 6984 13:53:27.022302  # [   54.826362] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000

 6985 13:53:27.032231  # [   54.834629] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082eb7f10

 6986 13:53:27.041790  # [   54.849112] R13: ffffffff992c8ffb R14: ffff8c7a42af4000 R15: ffffb09082eb7f10

 6987 13:53:27.048342  # [   54.857379] FS:  00007ff3602c4740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 6988 13:53:27.058811  # [   54.866713] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6989 13:53:27.064952  # [   54.873425] CR2: 00007ff3602a3000 CR3: 0000000108678002 CR4: 00000000003706e0

 6990 13:53:27.068091  # [   54.881691] Call Trace:

 6991 13:53:27.071384  # [   54.884718]  ? __warn+0x80/0x110

 6992 13:53:27.078010  # [   54.888640]  ? refcount_warn_saturate+0x97/0x110

 6993 13:53:27.081290  # [   54.900300]  ? report_bug+0x99/0xc0

 6994 13:53:27.084589  # [   54.910704]  ? handle_bug+0x41/0x80

 6995 13:53:27.091668  # [   54.921109]  ? exc_invalid_op+0x13/0x60

 6996 13:53:27.094784  # [   54.925717]  ? asm_exc_invalid_op+0x12/0x20

 6997 13:53:27.101466  # [   54.930718]  ? refcount_warn_saturate+0x97/0x110

 6998 13:53:27.108157  # [   54.936188]  ? refcount_warn_saturate+0x97/0x110

 6999 13:53:27.111271  # [   54.947846]  lkdtm_REFCOUNT_ADD_ZERO+0x95/0xbd

 7000 13:53:27.118575  # [   54.953135]  direct_entry.cold+0x2c/0x38

 7001 13:53:27.121218  # [   54.957841]  full_proxy_write+0x53/0x80

 7002 13:53:27.127875  # [   54.962450]  vfs_write+0xf0/0x3c0

 7003 13:53:27.131059  # [   54.966475]  ksys_write+0x74/0xf0

 7004 13:53:27.134391  # [   54.970498]  do_syscall_64+0x30/0x40

 7005 13:53:27.141016  # [   54.974786]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 7006 13:53:27.144116  # [   54.980752] RIP: 0033:0x7ff3603bf240

 7007 13:53:27.167250  # [   54.985037] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 7008 13:53:27.177526  # [   55.006320] RSP: 002b:00007ffd23321c78 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 7009 13:53:27.184167  # [   55.015075] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff3603bf240

 7010 13:53:27.193936  # [   55.023368] RDX: 0000000000000012 RSI: 00007ff3602a3000 RDI: 0000000000000001

 7011 13:53:27.200317  # [   55.031636] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000

 7012 13:53:27.210425  # [   55.039910] R10: 00007ff3602e04d0 R11: 0000000000000202 R12: 00007ff3602a3000

 7013 13:53:27.216848  # [   55.054386] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 7014 13:53:27.220223  # [   55.062671] irq event stamp: 0

 7015 13:53:27.229899  # [   55.066404] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7016 13:53:27.239629  # [   55.073701] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 7017 13:53:27.249560  # [   55.083134] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 7018 13:53:27.256564  # [   55.092566] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7019 13:53:27.262803  # [   55.099862] ---[ end trace 242e5a7a3af61de0 ]---

 7020 13:53:27.266423  # [   55.105313] lkdtm: Zero detected: saturated

 7021 13:53:27.269456  # REFCOUNT_ADD_ZERO: saw 'call trace:': ok

 7022 13:53:27.276461  ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 7023 13:53:27.279309  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 7024 13:53:27.289233  # [   55.256069] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 7025 13:53:27.296238  # [   55.266587] lkdtm: attempting bad refcount_inc() from saturated

 7026 13:53:27.299512  # [   55.273525] ------------[ cut here ]------------

 7027 13:53:27.305872  # [   55.279007] refcount_t: saturated; leaking memory.

 7028 13:53:27.315813  # [   55.290875] WARNING: CPU: 2 PID: 2380 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 7029 13:53:27.401853  # [   55.306800] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 7030 13:53:27.408488  # [   55.395453] CPU: 2 PID: 2380 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 7031 13:53:27.418136  # [   55.404408] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7032 13:53:27.424509  # [   55.417717] RIP: 0010:refcount_warn_saturate+0x51/0x110

 7033 13:53:27.444278  # [   55.423861] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 23 80 3d 7e 9f d5 02 00 75 ee 48 c7 c7 d8 33 22 99 c6 05 6e 9f d5 02 01 e8 3a 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22

 7034 13:53:27.451309  # [   55.445142] RSP: 0018:ffffb09082f27e58 EFLAGS: 00010282

 7035 13:53:27.460860  # [   55.451270] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 7036 13:53:27.467517  # [   55.459535] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 7037 13:53:27.477735  # [   55.467801] RBP: 0000000000000017 R08: 0000000000000000 R09: 0000000000000000

 7038 13:53:27.483805  # [   55.476066] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082f27f10

 7039 13:53:27.493780  # [   55.484329] R13: ffffffff992c900d R14: ffff8c7a47800000 R15: ffffb09082f27f10

 7040 13:53:27.503784  # [   55.492595] FS:  00007f1656825740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 7041 13:53:27.510496  # [   55.501927] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7042 13:53:27.520497  # [   55.508638] CR2: 00007f1656804000 CR3: 000000010674a001 CR4: 00000000003706e0

 7043 13:53:27.520582  # [   55.516904] Call Trace:

 7044 13:53:27.527218  # [   55.519944]  ? __warn+0x80/0x110

 7045 13:53:27.530829  # [   55.523848]  ? refcount_warn_saturate+0x51/0x110

 7046 13:53:27.537244  # [   55.535509]  ? report_bug+0x99/0xc0

 7047 13:53:27.540663  # [   55.539698]  ? handle_bug+0x41/0x80

 7048 13:53:27.543918  # [   55.543909]  ? exc_invalid_op+0x13/0x60

 7049 13:53:27.550457  # [   55.548484]  ? asm_exc_invalid_op+0x12/0x20

 7050 13:53:27.553358  # [   55.553452]  ? refcount_warn_saturate+0x51/0x110

 7051 13:53:27.560244  # [   55.558927]  ? refcount_warn_saturate+0x51/0x110

 7052 13:53:27.566689  # [   55.570588]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 7053 13:53:27.570263  # [   55.582543]  direct_entry.cold+0x2c/0x38

 7054 13:53:27.577040  # [   55.593433]  full_proxy_write+0x53/0x80

 7055 13:53:27.580030  # [   55.598039]  vfs_write+0xf0/0x3c0

 7056 13:53:27.583280  # [   55.602033]  ksys_write+0x74/0xf0

 7057 13:53:27.589835  # [   55.606025]  do_syscall_64+0x30/0x40

 7058 13:53:27.593102  # [   55.610310]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 7059 13:53:27.599876  # [   55.616243] RIP: 0033:0x7f1656920240

 7060 13:53:27.619580  # [   55.620527] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 7061 13:53:27.629064  # [   55.641804] RSP: 002b:00007fffc8d41fe8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 7062 13:53:27.639203  # [   55.650555] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1656920240

 7063 13:53:27.645892  # [   55.658820] RDX: 0000000000000017 RSI: 00007f1656804000 RDI: 0000000000000001

 7064 13:53:27.656011  # [   55.667085] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000

 7065 13:53:27.662428  # [   55.675350] R10: 00007f16568414d0 R11: 0000000000000202 R12: 00007f1656804000

 7066 13:53:27.672345  # [   55.683627] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 7067 13:53:27.675471  # [   55.698110] irq event stamp: 0

 7068 13:53:27.682189  # [   55.701837] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7069 13:53:27.691915  # [   55.715339] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 7070 13:53:27.701935  # [   55.724768] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 7071 13:53:27.708526  # [   55.734198] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7072 13:53:27.715149  # [   55.741491] ---[ end trace 242e5a7a3af61de1 ]---

 7073 13:53:27.721551  # [   55.746938] lkdtm: Saturation detected: still saturated

 7074 13:53:27.728329  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 7075 13:53:27.735013  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 7076 13:53:27.738246  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 7077 13:53:27.744697  # [   56.281066] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 7078 13:53:27.754726  # [   56.293304] lkdtm: attempting bad refcount_dec() from saturated

 7079 13:53:27.757847  # [   56.300227] ------------[ cut here ]------------

 7080 13:53:27.764763  # [   56.305682] refcount_t: decrement hit 0; leaking memory.

 7081 13:53:27.774447  # [   56.311919] WARNING: CPU: 3 PID: 2416 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 7082 13:53:27.860290  # [   56.321647] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 7083 13:53:27.870391  # [   56.410222] CPU: 3 PID: 2416 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 7084 13:53:27.877189  # [   56.419194] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7085 13:53:27.883118  # [   56.432501] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 7086 13:53:27.903092  # [   56.438631] Code: 88 34 22 99 c6 05 da 9e d5 02 01 e8 aa 1f c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 34 22 99 c6 05 c1 9e d5 02 01 e8 90 1f c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 7087 13:53:27.909966  # [   56.466119] RSP: 0018:ffffb09082fb7e58 EFLAGS: 00010282

 7088 13:53:27.919638  # [   56.472248] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 7089 13:53:27.926311  # [   56.480512] RDX: ffff8c7abadac620 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50

 7090 13:53:27.936763  # [   56.488776] RBP: 0000000000000017 R08: 0000000000000000 R09: 0000000000000000

 7091 13:53:27.945975  # [   56.497039] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082fb7f10

 7092 13:53:27.952491  # [   56.505304] R13: ffffffff992c9024 R14: ffff8c7a40fb8000 R15: ffffb09082fb7f10

 7093 13:53:27.962724  # [   56.513569] FS:  00007f712327b740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 7094 13:53:27.969056  # [   56.522901] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7095 13:53:27.979054  # [   56.529629] CR2: 00007f712325a000 CR3: 0000000107b58003 CR4: 00000000003706e0

 7096 13:53:27.982437  # [   56.537893] Call Trace:

 7097 13:53:27.985417  # [   56.540917]  ? __warn+0x80/0x110

 7098 13:53:27.992267  # [   56.544840]  ? refcount_warn_saturate+0xfb/0x110

 7099 13:53:27.995445  # [   56.556495]  ? report_bug+0x99/0xc0

 7100 13:53:27.998852  # [   56.560685]  ? handle_bug+0x41/0x80

 7101 13:53:28.002240  # [   56.571083]  ? exc_invalid_op+0x13/0x60

 7102 13:53:28.008636  # [   56.581872]  ? asm_exc_invalid_op+0x12/0x20

 7103 13:53:28.015038  # [   56.586863]  ? refcount_warn_saturate+0xfb/0x110

 7104 13:53:28.018556  # [   56.598516]  ? refcount_warn_saturate+0xfb/0x110

 7105 13:53:28.025254  # [   56.603965]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 7106 13:53:28.031845  # [   56.609706]  direct_entry.cold+0x2c/0x38

 7107 13:53:28.034889  # [   56.614399]  full_proxy_write+0x53/0x80

 7108 13:53:28.038229  # [   56.618999]  vfs_write+0xf0/0x3c0

 7109 13:53:28.041675  # [   56.623038]  ksys_write+0x74/0xf0

 7110 13:53:28.048153  # [   56.627034]  do_syscall_64+0x30/0x40

 7111 13:53:28.054850  # [   56.637522]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 7112 13:53:28.057892  # [   56.643454] RIP: 0033:0x7f7123376240

 7113 13:53:28.081247  # [   56.647736] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 7114 13:53:28.088029  # [   56.669012] RSP: 002b:00007ffd009f61a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 7115 13:53:28.097830  # [   56.677762] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7123376240

 7116 13:53:28.104368  # [   56.686025] RDX: 0000000000000017 RSI: 00007f712325a000 RDI: 0000000000000001

 7117 13:53:28.114666  # [   56.694286] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000

 7118 13:53:28.124256  # [   56.702548] R10: 00007f71232974d0 R11: 0000000000000202 R12: 00007f712325a000

 7119 13:53:28.130893  # [   56.710810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 7120 13:53:28.134119  # [   56.719077] irq event stamp: 0

 7121 13:53:28.140774  # [   56.722807] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7122 13:53:28.151058  # [   56.730099] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 7123 13:53:28.160874  # [   56.739528] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 7124 13:53:28.170600  # [   56.748956] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7125 13:53:28.174023  # [   56.756248] ---[ end trace 242e5a7a3af61de2 ]---

 7126 13:53:28.180339  # [   56.761694] lkdtm: Saturation detected: still saturated

 7127 13:53:28.187106  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok

 7128 13:53:28.193867  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 7129 13:53:28.197174  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7130 13:53:28.207157  # [   57.474312] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 7131 13:53:28.213876  # [   57.483546] lkdtm: attempting bad refcount_dec() from saturated

 7132 13:53:28.217044  # [   57.496703] ------------[ cut here ]------------

 7133 13:53:28.223669  # [   57.508358] refcount_t: saturated; leaking memory.

 7134 13:53:28.233266  # [   57.520251] WARNING: CPU: 0 PID: 2452 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 7135 13:53:28.319600  # [   57.536191] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 7136 13:53:28.329504  # [   57.624773] CPU: 0 PID: 2452 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 7137 13:53:28.336170  # [   57.639924] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7138 13:53:28.342814  # [   57.653243] RIP: 0010:refcount_warn_saturate+0x51/0x110

 7139 13:53:28.362210  # [   57.665585] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 23 80 3d 7e 9f d5 02 00 75 ee 48 c7 c7 d8 33 22 99 c6 05 6e 9f d5 02 01 e8 3a 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22

 7140 13:53:28.368883  # [   57.693114] RSP: 0018:ffffb0908301fe58 EFLAGS: 00010282

 7141 13:53:28.379065  # [   57.705435] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 7142 13:53:28.385882  # [   57.719966] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50

 7143 13:53:28.395324  # [   57.734422] RBP: 0000000000000017 R08: 0000000000000000 R09: 0000000000000000

 7144 13:53:28.402199  # [   57.748872] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908301ff10

 7145 13:53:28.411971  # [   57.763369] R13: ffffffff992c903b R14: ffff8c7a424da000 R15: ffffb0908301ff10

 7146 13:53:28.421967  # [   57.777838] FS:  00007fa655f13740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000

 7147 13:53:28.428549  # [   57.793417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7148 13:53:28.435296  # [   57.806327] CR2: 00007fa655ef2000 CR3: 0000000104648006 CR4: 00000000003706f0

 7149 13:53:28.438607  # [   57.820806] Call Trace:

 7150 13:53:28.441804  # [   57.830037]  ? __warn+0x80/0x110

 7151 13:53:28.448439  # [   57.840185]  ? refcount_warn_saturate+0x51/0x110

 7152 13:53:28.451929  # [   57.851816]  ? report_bug+0x99/0xc0

 7153 13:53:28.458148  # [   57.862222]  ? handle_bug+0x41/0x80

 7154 13:53:28.461432  # [   57.872619]  ? exc_invalid_op+0x13/0x60

 7155 13:53:28.468117  # [   57.883420]  ? asm_exc_invalid_op+0x12/0x20

 7156 13:53:28.471271  # [   57.894605]  ? refcount_warn_saturate+0x51/0x110

 7157 13:53:28.477960  # [   57.906276]  ? refcount_warn_saturate+0x51/0x110

 7158 13:53:28.484556  # [   57.917928]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 7159 13:53:28.487813  # [   57.929906]  direct_entry.cold+0x2c/0x38

 7160 13:53:28.494561  # [   57.940778]  full_proxy_write+0x53/0x80

 7161 13:53:28.498003  # [   57.951588]  vfs_write+0xf0/0x3c0

 7162 13:53:28.501495  # [   57.961786]  ksys_write+0x74/0xf0

 7163 13:53:28.504639  # [   57.972010]  do_syscall_64+0x30/0x40

 7164 13:53:28.511083  # [   57.982505]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 7165 13:53:28.514360  # [   57.994665] RIP: 0033:0x7fa65600e240

 7166 13:53:28.537491  # [   58.005165] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 7167 13:53:28.547754  # [   58.032646] RSP: 002b:00007fffb4822e78 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 7168 13:53:28.553997  # [   58.047615] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa65600e240

 7169 13:53:28.564289  # [   58.062105] RDX: 0000000000000017 RSI: 00007fa655ef2000 RDI: 0000000000000001

 7170 13:53:28.570952  # [   58.076566] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000

 7171 13:53:28.580624  # [   58.091043] R10: 00007fa655f2f4d0 R11: 0000000000000202 R12: 00007fa655ef2000

 7172 13:53:28.590535  # [   58.105537] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 7173 13:53:28.594110  # [   58.120111] irq event stamp: 0

 7174 13:53:28.600753  # [   58.129989] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7175 13:53:28.610567  # [   58.143529] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 7176 13:53:28.620350  # [   58.159146] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 7177 13:53:28.626926  # [   58.174795] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7178 13:53:28.633570  # [   58.188287] ---[ end trace 242e5a7a3af61de3 ]---

 7179 13:53:28.640526  # [   58.199966] lkdtm: Saturation detected: still saturated

 7180 13:53:28.646951  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok

 7181 13:53:28.650383  ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7182 13:53:28.656645  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7183 13:53:28.666850  # [   58.367801] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 7184 13:53:28.673430  # [   58.375928] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 7185 13:53:28.680252  # [   58.383713] ------------[ cut here ]------------

 7186 13:53:28.683419  # [   58.389171] refcount_t: saturated; leaking memory.

 7187 13:53:28.693697  # [   58.394834] WARNING: CPU: 2 PID: 2485 at lib/refcount.c:19 refcount_warn_saturate+0x74/0x110

 7188 13:53:28.779552  # [   58.404560] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 7189 13:53:28.789494  # [   58.493174] CPU: 2 PID: 2485 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 7190 13:53:28.796381  # [   58.502149] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7191 13:53:28.802630  # [   58.515459] RIP: 0010:refcount_warn_saturate+0x74/0x110

 7192 13:53:28.825991  # [   58.527801] Code: 02 01 e8 3a 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 99 c6 05 4c 9f d5 02 01 e8 17 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22

 7193 13:53:28.832319  # [   58.555295] RSP: 0018:ffffb09083097e48 EFLAGS: 00010286

 7194 13:53:28.838922  # [   58.561457] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7195 13:53:28.848967  # [   58.569776] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 7196 13:53:28.855774  # [   58.578054] RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000

 7197 13:53:28.865856  # [   58.592525] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09083097f10

 7198 13:53:28.872027  # [   58.600787] R13: ffffffff992c8c68 R14: ffff8c7a459ce000 R15: ffffb09083097f10

 7199 13:53:28.882055  # [   58.609051] FS:  00007fb90e8d4740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 7200 13:53:28.888756  # [   58.618385] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7201 13:53:28.898690  # [   58.625097] CR2: 00007fb90e8b3000 CR3: 0000000104e1e006 CR4: 00000000003706e0

 7202 13:53:28.902049  # [   58.633361] Call Trace:

 7203 13:53:28.905390  # [   58.636403]  ? __warn+0x80/0x110

 7204 13:53:28.911888  # [   58.640306]  ? refcount_warn_saturate+0x74/0x110

 7205 13:53:28.915390  # [   58.651965]  ? report_bug+0x99/0xc0

 7206 13:53:28.918599  # [   58.656176]  ? handle_bug+0x41/0x80

 7207 13:53:28.925297  # [   58.660391]  ? exc_invalid_op+0x13/0x60

 7208 13:53:28.928630  # [   58.664968]  ? asm_exc_invalid_op+0x12/0x20

 7209 13:53:28.935115  # [   58.669973]  ? refcount_warn_saturate+0x74/0x110

 7210 13:53:28.938435  # [   58.675432]  ? refcount_warn_saturate+0x74/0x110

 7211 13:53:28.945116  # [   58.687089]  __refcount_add_not_zero.constprop.0+0x26/0x31

 7212 13:53:28.951663  # [   58.693509]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3c/0x74

 7213 13:53:28.958077  # [   58.700148]  direct_entry.cold+0x2c/0x38

 7214 13:53:28.961675  # [   58.704847]  full_proxy_write+0x53/0x80

 7215 13:53:28.964782  # [   58.709452]  vfs_write+0xf0/0x3c0

 7216 13:53:28.971493  # [   58.713466]  ksys_write+0x74/0xf0

 7217 13:53:28.975120  # [   58.717482]  do_syscall_64+0x30/0x40

 7218 13:53:28.981548  # [   58.721787]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 7219 13:53:28.984765  # [   58.727746] RIP: 0033:0x7fb90e9cf240

 7220 13:53:29.007857  # [   58.732053] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 7221 13:53:29.017711  # [   58.753354] RSP: 002b:00007ffc466c2b38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 7222 13:53:29.024491  # [   58.762128] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb90e9cf240

 7223 13:53:29.034668  # [   58.770392] RDX: 0000000000000020 RSI: 00007fb90e8b3000 RDI: 0000000000000001

 7224 13:53:29.041106  # [   58.778675] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000

 7225 13:53:29.051016  # [   58.786941] R10: 00007fb90e8f04d0 R11: 0000000000000202 R12: 00007fb90e8b3000

 7226 13:53:29.057961  # [   58.801422] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 7227 13:53:29.061090  # [   58.815921] irq event stamp: 0

 7228 13:53:29.071207  # [   58.819632] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7229 13:53:29.080607  # [   58.833135] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 7230 13:53:29.087369  # [   58.842589] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 7231 13:53:29.097394  # [   58.852050] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7232 13:53:29.100778  # [   58.859343] ---[ end trace 242e5a7a3af61de4 ]---

 7233 13:53:29.107107  # [   58.864791] lkdtm: Saturation detected: still saturated

 7234 13:53:29.113603  # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7235 13:53:29.120587  ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7236 13:53:29.126894  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7237 13:53:29.133837  # [   59.086522] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 7238 13:53:29.143420  # [   59.097633] lkdtm: attempting bad refcount_add_not_zero() from saturated

 7239 13:53:29.146745  # [   59.105423] ------------[ cut here ]------------

 7240 13:53:29.153489  # [   59.117072] refcount_t: saturated; leaking memory.

 7241 13:53:29.163213  # [   59.122744] WARNING: CPU: 3 PID: 2518 at lib/refcount.c:19 refcount_warn_saturate+0x74/0x110

 7242 13:53:29.248993  # [   59.132474] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 7243 13:53:29.258789  # [   59.221049] CPU: 3 PID: 2518 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 7244 13:53:29.265396  # [   59.230020] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7245 13:53:29.272091  # [   59.243327] RIP: 0010:refcount_warn_saturate+0x74/0x110

 7246 13:53:29.291911  # [   59.249454] Code: 02 01 e8 3a 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 99 c6 05 4c 9f d5 02 01 e8 17 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22

 7247 13:53:29.298366  # [   59.270730] RSP: 0018:ffffb09083167e48 EFLAGS: 00010286

 7248 13:53:29.308281  # [   59.276858] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7249 13:53:29.314982  # [   59.285121] RDX: ffff8c7abadac620 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50

 7250 13:53:29.325037  # [   59.293384] RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000

 7251 13:53:29.331498  # [   59.301648] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09083167f10

 7252 13:53:29.341475  # [   59.309912] R13: ffffffff992c8c88 R14: ffff8c7a47fe7000 R15: ffffb09083167f10

 7253 13:53:29.351076  # [   59.318175] FS:  00007f490a605740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 7254 13:53:29.358104  # [   59.327507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7255 13:53:29.364237  # [   59.334214] CR2: 00007f490a5e4000 CR3: 0000000106494005 CR4: 00000000003706e0

 7256 13:53:29.367458  # [   59.342476] Call Trace:

 7257 13:53:29.374081  # [   59.345500]  ? __warn+0x80/0x110

 7258 13:53:29.377412  # [   59.349425]  ? refcount_warn_saturate+0x74/0x110

 7259 13:53:29.384467  # [   59.354873]  ? report_bug+0x99/0xc0

 7260 13:53:29.387524  # [   59.359059]  ? handle_bug+0x41/0x80

 7261 13:53:29.390896  # [   59.363267]  ? exc_invalid_op+0x13/0x60

 7262 13:53:29.397484  # [   59.367842]  ? asm_exc_invalid_op+0x12/0x20

 7263 13:53:29.400667  # [   59.372809]  ? refcount_warn_saturate+0x74/0x110

 7264 13:53:29.407207  # [   59.378286]  ? refcount_warn_saturate+0x74/0x110

 7265 13:53:29.413736  # [   59.389939]  __refcount_add_not_zero.constprop.0+0x26/0x31

 7266 13:53:29.420691  # [   59.402579]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3c/0x74

 7267 13:53:29.427101  # [   59.415407]  direct_entry.cold+0x2c/0x38

 7268 13:53:29.431045  # [   59.420112]  full_proxy_write+0x53/0x80

 7269 13:53:29.434009  # [   59.424720]  vfs_write+0xf0/0x3c0

 7270 13:53:29.437461  # [   59.428721]  ksys_write+0x74/0xf0

 7271 13:53:29.443909  # [   59.432744]  do_syscall_64+0x30/0x40

 7272 13:53:29.450576  # [   59.437031]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 7273 13:53:29.453761  # [   59.443021] RIP: 0033:0x7f490a700240

 7274 13:53:29.473834  # [   59.447321] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 7275 13:53:29.483838  # [   59.474801] RSP: 002b:00007ffd39706358 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 7276 13:53:29.490143  # [   59.483553] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f490a700240

 7277 13:53:29.500194  # [   59.491818] RDX: 0000000000000020 RSI: 00007f490a5e4000 RDI: 0000000000000001

 7278 13:53:29.510020  # [   59.500083] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000

 7279 13:53:29.516701  # [   59.508348] R10: 00007f490a6214d0 R11: 0000000000000202 R12: 00007f490a5e4000

 7280 13:53:29.526240  # [   59.516631] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 7281 13:53:29.529717  # [   59.524912] irq event stamp: 0

 7282 13:53:29.536485  # [   59.534817] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7283 13:53:29.546312  # [   59.542113] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 7284 13:53:29.556172  # [   59.551544] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 7285 13:53:29.562733  # [   59.560975] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7286 13:53:29.569632  # [   59.568270] ---[ end trace 242e5a7a3af61de5 ]---

 7287 13:53:29.576192  # [   59.573718] lkdtm: Saturation detected: still saturated

 7288 13:53:29.582516  # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7289 13:53:29.589280  ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7290 13:53:29.592812  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7291 13:53:29.602852  # [   59.740705] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7292 13:53:29.609104  # [   59.749677] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7293 13:53:29.615765  # [   59.757491] ------------[ cut here ]------------

 7294 13:53:29.622447  # [   59.762970] refcount_t: underflow; use-after-free.

 7295 13:53:29.632157  # [   59.774830] WARNING: CPU: 3 PID: 2554 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7296 13:53:29.714489  # [   59.790754] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 7297 13:53:29.724336  # [   59.879375] CPU: 3 PID: 2554 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 7298 13:53:29.730810  # [   59.888341] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7299 13:53:29.737727  # [   59.895441] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7300 13:53:29.760816  # [   59.901568] Code: 02 01 e8 f4 1f c3 00 0f 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 99 c6 05 03 9f d5 02 01 e8 d1 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d ee 9e d5 02 00 0f 85 5e ff ff ff 48 c7

 7301 13:53:29.767119  # [   59.922841] RSP: 0018:ffffb090831efe50 EFLAGS: 00010286

 7302 13:53:29.773944  # [   59.928968] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7303 13:53:29.783719  # [   59.937232] RDX: ffff8c7abadac620 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50

 7304 13:53:29.793646  # [   59.945496] RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000

 7305 13:53:29.799974  # [   59.953760] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090831eff10

 7306 13:53:29.810243  # [   59.962024] R13: ffffffff992c8ca8 R14: ffff8c7a44dbd000 R15: ffffb090831eff10

 7307 13:53:29.820082  # [   59.970288] FS:  00007f43542d2740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000

 7308 13:53:29.826843  # [   59.979630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7309 13:53:29.833066  # [   59.986341] CR2: 00007f43542b1000 CR3: 00000001067ca005 CR4: 00000000003706e0

 7310 13:53:29.836654  # [   59.994622] Call Trace:

 7311 13:53:29.839953  # [   59.997647]  ? __warn+0x80/0x110

 7312 13:53:29.846211  # [   60.001547]  ? refcount_warn_saturate+0xba/0x110

 7313 13:53:29.849878  # [   60.006999]  ? report_bug+0x99/0xc0

 7314 13:53:29.856330  # [   60.011204]  ? handle_bug+0x41/0x80

 7315 13:53:29.859869  # [   60.015420]  ? exc_invalid_op+0x13/0x60

 7316 13:53:29.866403  # [   60.019995]  ? asm_exc_invalid_op+0x12/0x20

 7317 13:53:29.869538  # [   60.024960]  ? refcount_warn_saturate+0xba/0x110

 7318 13:53:29.876838  # [   60.030438]  __refcount_sub_and_test.constprop.0+0x34/0x40

 7319 13:53:29.883599  # [   60.043065]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3c/0x74

 7320 13:53:29.889529  # [   60.049681]  direct_entry.cold+0x2c/0x38

 7321 13:53:29.892913  # [   60.060567]  full_proxy_write+0x53/0x80

 7322 13:53:29.897013  # [   60.071357]  vfs_write+0xf0/0x3c0

 7323 13:53:29.899309  # [   60.075379]  ksys_write+0x74/0xf0

 7324 13:53:29.906071  # [   60.079369]  do_syscall_64+0x30/0x40

 7325 13:53:29.912645  # [   60.083655]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 7326 13:53:29.915727  # [   60.089631] RIP: 0033:0x7f43543cd240

 7327 13:53:29.936354  # [   60.100132] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 7328 13:53:29.945655  # [   60.127638] RSP: 002b:00007fffad71cb48 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 7329 13:53:29.956021  # [   60.142607] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f43543cd240

 7330 13:53:29.961883  # [   60.157086] RDX: 0000000000000020 RSI: 00007f43542b1000 RDI: 0000000000000001

 7331 13:53:29.972211  # [   60.171570] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000

 7332 13:53:29.981764  # [   60.179839] R10: 00007f43542ee4d0 R11: 0000000000000202 R12: 00007f43542b1000

 7333 13:53:29.988438  # [   60.194322] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 7334 13:53:29.991937  # [   60.208810] irq event stamp: 0

 7335 13:53:30.001923  # [   60.218726] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7336 13:53:30.008208  # [   60.232240] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 7337 13:53:30.018530  # [   60.241674] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 7338 13:53:30.028664  # [   60.257316] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7339 13:53:30.031434  # [   60.266651] ---[ end trace 242e5a7a3af61de6 ]---

 7340 13:53:30.037796  # [   60.272102] lkdtm: Saturation detected: still saturated

 7341 13:53:30.047690  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7342 13:53:30.054268  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7343 13:53:30.057593  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7344 13:53:30.067548  # [   60.852731] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7345 13:53:30.074314  # [   60.861257] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7346 13:53:30.081013  # [   60.869043] ------------[ cut here ]------------

 7347 13:53:30.087775  # [   60.874522] refcount_t: underflow; use-after-free.

 7348 13:53:30.097705  # [   60.880191] WARNING: CPU: 2 PID: 2590 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7349 13:53:30.180345  # [   60.889917] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table

 7350 13:53:30.190090  # [   60.978509] CPU: 2 PID: 2590 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 7351 13:53:30.196647  # [   60.987465] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7352 13:53:30.203229  # [   61.000773] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7353 13:53:30.226309  # [   61.006901] Code: 02 01 e8 f4 1f c3 00 0f 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 99 c6 05 03 9f d5 02 01 e8 d1 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d ee 9e d5 02 00 0f 85 5e ff ff ff 48 c7

 7354 13:53:30.233060  # [   61.028178] RSP: 0018:ffffb09083277e50 EFLAGS: 00010286

 7355 13:53:30.239577  # [   61.034305] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7356 13:53:30.249382  # [   61.042572] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50

 7357 13:53:30.255921  # [   61.050834] RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000

 7358 13:53:30.266155  # [   61.059097] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09083277f10

 7359 13:53:30.276188  # [   61.067362] R13: ffffffff992c8cc8 R14: ffff8c7a47b08000 R15: ffffb09083277f10

 7360 13:53:30.282281  # [   61.075630] FS:  00007f21e3f78740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000

 7361 13:53:30.292427  # [   61.084963] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7362 13:53:30.299074  # [   61.091676] CR2: 00007f21e3f57000 CR3: 0000000100e76002 CR4: 00000000003706e0

 7363 13:53:30.302392  # [   61.099939] Call Trace:

 7364 13:53:30.305463  # [   61.102961]  ? __warn+0x80/0x110

 7365 13:53:30.312107  # [   61.106888]  ? refcount_warn_saturate+0xba/0x110

 7366 13:53:30.315344  # [   61.112338]  ? report_bug+0x99/0xc0

 7367 13:53:30.318952  # [   61.116549]  ? handle_bug+0x41/0x80

 7368 13:53:30.325741  # [   61.120759]  ? exc_invalid_op+0x13/0x60

 7369 13:53:30.329085  # [   61.125340]  ? asm_exc_invalid_op+0x12/0x20

 7370 13:53:30.335368  # [   61.136519]  ? refcount_warn_saturate+0xba/0x110

 7371 13:53:30.342207  # [   61.148181]  __refcount_sub_and_test.constprop.0+0x34/0x40

 7372 13:53:30.349140  # [   61.154627]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3c/0x74

 7373 13:53:30.352316  # [   61.167453]  direct_entry.cold+0x2c/0x38

 7374 13:53:30.358649  # [   61.172154]  full_proxy_write+0x53/0x80

 7375 13:53:30.361932  # [   61.182937]  vfs_write+0xf0/0x3c0

 7376 13:53:30.365404  # [   61.186975]  ksys_write+0x74/0xf0

 7377 13:53:30.368424  # [   61.190982]  do_syscall_64+0x30/0x40

 7378 13:53:30.375656  # [   61.201470]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 7379 13:53:30.381901  # [   61.207404] RIP: 0033:0x7f21e4073240

 7380 13:53:30.401866  # [   61.211687] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 7381 13:53:30.411745  # [   61.232964] RSP: 002b:00007fff4e5ceeb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 7382 13:53:30.418248  # [   61.241714] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f21e4073240

 7383 13:53:30.428266  # [   61.249978] RDX: 0000000000000020 RSI: 00007f21e3f57000 RDI: 0000000000000001

 7384 13:53:30.438373  # [   61.258241] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000

 7385 13:53:30.444933  # [   61.266504] R10: 00007f21e3f944d0 R11: 0000000000000202 R12: 00007f21e3f57000

 7386 13:53:30.454998  # [   61.274768] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 7387 13:53:30.458131  # [   61.283035] irq event stamp: 0

 7388 13:53:30.465011  # [   61.286764] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7389 13:53:30.475049  # [   61.294059] hardirqs last disabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 7390 13:53:30.484520  # [   61.303488] softirqs last  enabled at (0): [<ffffffff965001e1>] copy_process+0x6e1/0x2190

 7391 13:53:30.491410  # [   61.312916] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7392 13:53:30.497964  # [   61.320208] ---[ end trace 242e5a7a3af61de7 ]---

 7393 13:53:30.504469  # [   61.325658] lkdtm: Saturation detected: still saturated

 7394 13:53:30.511012  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7395 13:53:30.517709  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7396 13:53:30.521197  # selftests: lkdtm: REFCOUNT_TIMING.sh

 7397 13:53:30.524087  # Skipping REFCOUNT_TIMING: timing only

 7398 13:53:30.530740  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 7399 13:53:30.534121  # selftests: lkdtm: ATOMIC_TIMING.sh

 7400 13:53:30.537590  # Skipping ATOMIC_TIMING: timing only

 7401 13:53:30.544193  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 7402 13:53:30.547104  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 7403 13:53:30.554171  # [   61.535440] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7404 13:53:30.560908  # [   61.543941] lkdtm: attempting good copy_to_user of correct size

 7405 13:53:30.571023  # [   61.550851] lkdtm: attempting bad copy_to_user of too large size

 7406 13:53:30.574049  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 7407 13:53:30.580502  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 7408 13:53:30.587228  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 7409 13:53:30.594120  # [   61.686293] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7410 13:53:30.600735  # [   61.695715] lkdtm: attempting good copy_from_user of correct size

 7411 13:53:30.607196  # [   61.709059] lkdtm: attempting bad copy_from_user of too large size

 7412 13:53:30.613870  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 7413 13:53:30.620331  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 7414 13:53:30.627069  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 7415 13:53:30.633900  # [   61.848990] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7416 13:53:30.640050  # [   61.860491] lkdtm: attempting good copy_to_user inside whitelist

 7417 13:53:30.647087  # [   61.867538] lkdtm: attempting bad copy_to_user outside whitelist

 7418 13:53:30.653468  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 7419 13:53:30.660125  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 7420 13:53:30.666862  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 7421 13:53:30.673444  # [   62.016366] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7422 13:53:30.683321  # [   62.025196] lkdtm: attempting good copy_from_user inside whitelist

 7423 13:53:30.689824  # [   62.032411] lkdtm: attempting bad copy_from_user outside whitelist

 7424 13:53:30.696435  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 7425 13:53:30.703000  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 7426 13:53:30.706426  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 7427 13:53:30.716330  # [   62.174823] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7428 13:53:30.722904  # [   62.183703] lkdtm: good_stack: ffffb09083637e28-ffffb09083637e48

 7429 13:53:30.729453  # [   62.196914] lkdtm: bad_stack : ffffb09083637db0-ffffb09083637dd0

 7430 13:53:30.736301  # [   62.210161] lkdtm: attempting good copy_to_user of local stack

 7431 13:53:30.743019  # [   62.223142] lkdtm: attempting bad copy_to_user of distant stack

 7432 13:53:30.749327  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 7433 13:53:30.756095  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 7434 13:53:30.759586  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 7435 13:53:30.769069  # [   62.366440] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7436 13:53:30.775676  # [   62.374227] lkdtm: good_stack: ffffb090836efe28-ffffb090836efe48

 7437 13:53:30.782961  # [   62.387450] lkdtm: bad_stack : ffffb090836efdb0-ffffb090836efdd0

 7438 13:53:30.788964  # [   62.400679] lkdtm: attempting good copy_from_user of local stack

 7439 13:53:30.795492  # [   62.413866] lkdtm: attempting bad copy_from_user of distant stack

 7440 13:53:30.802339  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 7441 13:53:30.808762  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 7442 13:53:30.815294  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 7443 13:53:30.822078  # [   62.556720] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7444 13:53:30.828349  # [   62.564705] lkdtm: good_stack: ffffb0908374fe28-ffffb0908374fe48

 7445 13:53:30.835118  # [   62.571712] lkdtm: bad_stack : ffffb0908374fff8-ffffb09083750018

 7446 13:53:30.842023  # [   62.578784] lkdtm: attempting good copy_to_user of local stack

 7447 13:53:30.848509  # [   62.591806] lkdtm: attempting bad copy_to_user of distant stack

 7448 13:53:30.855528  # [   62.598767] lkdtm: copy_to_user failed, but lacked Oops

 7449 13:53:30.861746  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 7450 13:53:30.868555  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 7451 13:53:30.871940  # selftests: lkdtm: USERCOPY_KERNEL.sh

 7452 13:53:30.878503  # [   62.736840] lkdtm: Performing direct entry USERCOPY_KERNEL

 7453 13:53:30.888383  # [   62.748334] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff98e41090

 7454 13:53:30.894942  # [   62.763488] lkdtm: attempting bad copy_to_user from kernel text: ffffffff966ea600

 7455 13:53:30.901326  # [   62.772149] lkdtm: FAIL: survived bad copy_to_user()

 7456 13:53:30.908239  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 7457 13:53:30.914947  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 7458 13:53:30.918019  # selftests: lkdtm: STACKLEAK_ERASING.sh

 7459 13:53:30.924603  # [   62.906556] lkdtm: Performing direct entry STACKLEAK_ERASING

 7460 13:53:30.931105  # [   62.915185] lkdtm: checking unused part of the thread stack (15944 bytes)...

 7461 13:53:30.941400  # [   62.929606] lkdtm: FAIL: the erased part is not found (checked 15944 bytes)

 7462 13:53:30.947870  # [   62.943914] lkdtm: FAIL: the thread stack is NOT properly erased

 7463 13:53:30.958073  # [   62.957192] CPU: 0 PID: 2967 Comm: cat Tainted: G      D W         5.10.222-cip50 #1

 7464 13:53:30.964811  # [   62.972263] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7465 13:53:30.967519  # [   62.979359] Call Trace:

 7466 13:53:30.970913  # [   62.982382]  dump_stack+0x77/0x9b

 7467 13:53:30.977394  # [   62.986375]  lkdtm_STACKLEAK_ERASING+0x113/0x141

 7468 13:53:30.981393  # [   62.991822]  direct_entry.cold+0x2c/0x38

 7469 13:53:30.987621  # [   62.996498]  full_proxy_write+0x53/0x80

 7470 13:53:30.990801  # [   63.001079]  vfs_write+0xf0/0x3c0

 7471 13:53:30.993903  # [   63.005068]  ksys_write+0x74/0xf0

 7472 13:53:30.997686  # [   63.009050]  do_syscall_64+0x30/0x40

 7473 13:53:31.003952  # [   63.013331]  entry_SYSCALL_64_after_hwframe+0x67/0xd1

 7474 13:53:31.007436  # [   63.019255] RIP: 0033:0x7f95587bb240

 7475 13:53:31.030453  # [   63.023534] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89

 7476 13:53:31.040398  # [   63.044812] RSP: 002b:00007ffdbe5645b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001

 7477 13:53:31.047054  # [   63.053562] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f95587bb240

 7478 13:53:31.056759  # [   63.061824] RDX: 0000000000000012 RSI: 00007f955869f000 RDI: 0000000000000001

 7479 13:53:31.063459  # [   63.070086] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000

 7480 13:53:31.073266  # [   63.078349] R10: 00007f95586dc4d0 R11: 0000000000000202 R12: 00007f955869f000

 7481 13:53:31.079899  # [   63.086624] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000

 7482 13:53:31.089713  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 7483 13:53:31.096533  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 7484 13:53:31.099882  # selftests: lkdtm: CFI_FORWARD_PROTO.sh

 7485 13:53:31.106163  # [   63.240384] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7486 13:53:31.112814  # [   63.250716] lkdtm: Calling matched prototype ...

 7487 13:53:31.116367  # [   63.262384] lkdtm: Calling mismatched prototype ...

 7488 13:53:31.125980  # [   63.274356] lkdtm: Fail: survived mismatched prototype function call!

 7489 13:53:31.129479  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 7490 13:53:31.135792  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 7491 13:53:32.263244  lkdtm_PANIC_sh skip

 7492 13:53:32.266624  lkdtm_BUG_sh pass

 7493 13:53:32.266720  lkdtm_WARNING_sh pass

 7494 13:53:32.269594  lkdtm_WARNING_MESSAGE_sh pass

 7495 13:53:32.273054  lkdtm_EXCEPTION_sh pass

 7496 13:53:32.276153  lkdtm_LOOP_sh skip

 7497 13:53:32.276286  lkdtm_EXHAUST_STACK_sh skip

 7498 13:53:32.279834  lkdtm_CORRUPT_STACK_sh skip

 7499 13:53:32.282992  lkdtm_CORRUPT_STACK_STRONG_sh skip

 7500 13:53:32.286130  lkdtm_CORRUPT_LIST_ADD_sh fail

 7501 13:53:32.289731  lkdtm_CORRUPT_LIST_DEL_sh fail

 7502 13:53:32.293047  lkdtm_STACK_GUARD_PAGE_LEADING_sh pass

 7503 13:53:32.299302  lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass

 7504 13:53:32.299440  lkdtm_UNSET_SMEP_sh pass

 7505 13:53:32.303025  lkdtm_DOUBLE_FAULT_sh skip

 7506 13:53:32.306307  lkdtm_CORRUPT_PAC_sh skip

 7507 13:53:32.309344  lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip

 7508 13:53:32.312815  lkdtm_OVERWRITE_ALLOCATION_sh skip

 7509 13:53:32.316070  lkdtm_WRITE_AFTER_FREE_sh skip

 7510 13:53:32.319501  lkdtm_READ_AFTER_FREE_sh fail

 7511 13:53:32.322390  lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip

 7512 13:53:32.326102  lkdtm_READ_BUDDY_AFTER_FREE_sh fail

 7513 13:53:32.329558  lkdtm_SLAB_FREE_DOUBLE_sh fail

 7514 13:53:32.332294  lkdtm_SLAB_FREE_CROSS_sh fail

 7515 13:53:32.335790  lkdtm_SLAB_FREE_PAGE_sh fail

 7516 13:53:32.339364  lkdtm_SOFTLOCKUP_sh skip

 7517 13:53:32.342502  lkdtm_HARDLOCKUP_sh skip

 7518 13:53:32.342588  lkdtm_SPINLOCKUP_sh skip

 7519 13:53:32.345852  lkdtm_HUNG_TASK_sh skip

 7520 13:53:32.349004  lkdtm_EXEC_DATA_sh pass

 7521 13:53:32.352372  lkdtm_EXEC_STACK_sh pass

 7522 13:53:32.352455  lkdtm_EXEC_KMALLOC_sh pass

 7523 13:53:32.355808  lkdtm_EXEC_VMALLOC_sh pass

 7524 13:53:32.358865  lkdtm_EXEC_RODATA_sh pass

 7525 13:53:32.362154  lkdtm_EXEC_USERSPACE_sh pass

 7526 13:53:32.365417  lkdtm_EXEC_NULL_sh pass

 7527 13:53:32.368900  lkdtm_ACCESS_USERSPACE_sh pass

 7528 13:53:32.369005  lkdtm_ACCESS_NULL_sh pass

 7529 13:53:32.372731  lkdtm_WRITE_RO_sh pass

 7530 13:53:32.375226  lkdtm_WRITE_RO_AFTER_INIT_sh pass

 7531 13:53:32.378764  lkdtm_WRITE_KERN_sh pass

 7532 13:53:32.381897  lkdtm_REFCOUNT_INC_OVERFLOW_sh pass

 7533 13:53:32.385331  lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass

 7534 13:53:32.388591  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass

 7535 13:53:32.395314  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass

 7536 13:53:32.398463  lkdtm_REFCOUNT_DEC_ZERO_sh pass

 7537 13:53:32.401693  lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass

 7538 13:53:32.405107  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass

 7539 13:53:32.411684  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass

 7540 13:53:32.415059  lkdtm_REFCOUNT_INC_ZERO_sh pass

 7541 13:53:32.415136  lkdtm_REFCOUNT_ADD_ZERO_sh pass

 7542 13:53:32.421783  lkdtm_REFCOUNT_INC_SATURATED_sh pass

 7543 13:53:32.424638  lkdtm_REFCOUNT_DEC_SATURATED_sh pass

 7544 13:53:32.428099  lkdtm_REFCOUNT_ADD_SATURATED_sh pass

 7545 13:53:32.431454  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass

 7546 13:53:32.437932  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass

 7547 13:53:32.441343  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass

 7548 13:53:32.444686  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass

 7549 13:53:32.447779  lkdtm_REFCOUNT_TIMING_sh skip

 7550 13:53:32.451361  lkdtm_ATOMIC_TIMING_sh skip

 7551 13:53:32.454561  lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail

 7552 13:53:32.458304  lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail

 7553 13:53:32.464623  lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail

 7554 13:53:32.467690  lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail

 7555 13:53:32.471470  lkdtm_USERCOPY_STACK_FRAME_TO_sh fail

 7556 13:53:32.474509  lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail

 7557 13:53:32.477635  lkdtm_USERCOPY_STACK_BEYOND_sh fail

 7558 13:53:32.480907  lkdtm_USERCOPY_KERNEL_sh fail

 7559 13:53:32.484276  lkdtm_STACKLEAK_ERASING_sh fail

 7560 13:53:32.487394  lkdtm_CFI_FORWARD_PROTO_sh fail

 7561 13:53:32.494470  + ../../utils/send-to-lava.sh ./output/result.txt

 7562 13:53:32.500844  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=shardfile-lkdtm RESULT=pass>

 7563 13:53:32.501321  Received signal: <TESTCASE> TEST_CASE_ID=shardfile-lkdtm RESULT=pass
 7565 13:53:32.504072  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip>

 7566 13:53:32.504306  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip
 7568 13:53:32.510663  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass>

 7569 13:53:32.510931  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass
 7571 13:53:32.517350  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass>

 7572 13:53:32.517587  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass
 7574 13:53:32.524227  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass>

 7575 13:53:32.524469  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass
 7577 13:53:32.530588  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass>

 7578 13:53:32.530832  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass
 7580 13:53:32.537235  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip>

 7581 13:53:32.537474  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip
 7583 13:53:32.543956  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip>

 7584 13:53:32.544197  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip
 7586 13:53:32.550480  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip
 7588 13:53:32.553582  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip>

 7589 13:53:32.560457  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip>

 7590 13:53:32.560698  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip
 7592 13:53:32.578745  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail>

 7593 13:53:32.578998  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail
 7595 13:53:32.606770  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail>

 7596 13:53:32.607081  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail
 7598 13:53:32.636368  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass>

 7599 13:53:32.636655  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass
 7601 13:53:32.667860  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass>

 7602 13:53:32.668108  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass
 7604 13:53:32.692895  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass
 7606 13:53:32.695757  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass>

 7607 13:53:32.730029  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip
 7609 13:53:32.732803  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip>

 7610 13:53:32.771908  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip
 7612 13:53:32.775018  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip>

 7613 13:53:32.827117  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip>

 7614 13:53:32.827735  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip
 7616 13:53:32.888627  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip>

 7617 13:53:32.889223  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip
 7619 13:53:32.956569  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip>

 7620 13:53:32.957254  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip
 7622 13:53:33.018951  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail>

 7623 13:53:33.019614  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail
 7625 13:53:33.079086  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip>

 7626 13:53:33.079766  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip
 7628 13:53:33.145486  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail>

 7629 13:53:33.146154  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail
 7631 13:53:33.226992  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail>

 7632 13:53:33.227721  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail
 7634 13:53:33.290528  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail>

 7635 13:53:33.290814  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail
 7637 13:53:33.328757  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail>

 7638 13:53:33.329096  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail
 7640 13:53:33.352814  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip
 7642 13:53:33.355986  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip>

 7643 13:53:33.383199  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip
 7645 13:53:33.386300  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip>

 7646 13:53:33.415045  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip
 7648 13:53:33.417853  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip>

 7649 13:53:33.448258  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip>

 7650 13:53:33.448541  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip
 7652 13:53:33.477931  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass>

 7653 13:53:33.478203  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass
 7655 13:53:33.508134  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass
 7657 13:53:33.511479  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass>

 7658 13:53:33.540298  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass>

 7659 13:53:33.540621  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass
 7661 13:53:33.569091  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass>

 7662 13:53:33.569397  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass
 7664 13:53:33.617803  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass
 7666 13:53:33.621039  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass>

 7667 13:53:33.673431  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass>

 7668 13:53:33.673752  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass
 7670 13:53:33.705565  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass>

 7671 13:53:33.705861  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass
 7673 13:53:33.738126  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=pass>

 7674 13:53:33.738397  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=pass
 7676 13:53:33.763470  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass
 7678 13:53:33.766558  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass>

 7679 13:53:33.795732  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass>

 7680 13:53:33.795993  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass
 7682 13:53:33.827888  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass>

 7683 13:53:33.828159  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass
 7685 13:53:33.851585  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass>

 7686 13:53:33.851840  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass
 7688 13:53:33.884855  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass>

 7689 13:53:33.885163  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass
 7691 13:53:33.911457  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass>

 7692 13:53:33.911757  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass
 7694 13:53:33.940481  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7695 13:53:33.940754  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7697 13:53:33.967260  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7698 13:53:33.967553  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7700 13:53:33.993108  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass>

 7701 13:53:33.993403  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass
 7703 13:53:34.023293  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass>

 7704 13:53:34.023573  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass
 7706 13:53:34.050948  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass>

 7707 13:53:34.051208  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass
 7709 13:53:34.079646  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass>

 7710 13:53:34.079927  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass
 7712 13:53:34.109729  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass>

 7713 13:53:34.110012  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass
 7715 13:53:34.136240  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass>

 7716 13:53:34.136500  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass
 7718 13:53:34.162602  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass>

 7719 13:53:34.162897  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass
 7721 13:53:34.192003  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass>

 7722 13:53:34.192261  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass
 7724 13:53:34.222457  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass>

 7725 13:53:34.222714  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass
 7727 13:53:34.254107  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass>

 7728 13:53:34.254397  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass
 7730 13:53:34.286664  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass>

 7731 13:53:34.286958  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass
 7733 13:53:34.314497  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass>

 7734 13:53:34.314847  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass
 7736 13:53:34.348226  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass>

 7737 13:53:34.348532  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass
 7739 13:53:34.375814  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip>

 7740 13:53:34.376126  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip
 7742 13:53:34.404464  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip>

 7743 13:53:34.404782  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip
 7745 13:53:34.480632  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail>

 7746 13:53:34.481021  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail
 7748 13:53:34.559192  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail>

 7749 13:53:34.559474  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail
 7751 13:53:34.632696  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail>

 7752 13:53:34.633030  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail
 7754 13:53:34.695431  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail>

 7755 13:53:34.695740  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail
 7757 13:53:34.765106  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail>

 7758 13:53:34.765399  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail
 7760 13:53:34.816973  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail>

 7761 13:53:34.817250  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail
 7763 13:53:34.856724  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail>

 7764 13:53:34.856984  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail
 7766 13:53:34.894303  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail>

 7767 13:53:34.894556  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail
 7769 13:53:34.928471  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail>

 7770 13:53:34.928792  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail
 7772 13:53:34.960375  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail>

 7773 13:53:34.960471  + set +x

 7774 13:53:34.960697  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail
 7776 13:53:34.967262  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 14880252_1.5.2.3.5>

 7777 13:53:34.967504  Received signal: <ENDRUN> 1_kselftest-lkdtm 14880252_1.5.2.3.5
 7778 13:53:34.967574  Ending use of test pattern.
 7779 13:53:34.967630  Ending test lava.1_kselftest-lkdtm (14880252_1.5.2.3.5), duration 53.32
 7781 13:53:34.967825  ok: lava_test_shell seems to have completed
 7782 13:53:34.968197  shardfile-lkdtm: pass
lkdtm_PANIC_sh: skip
lkdtm_BUG_sh: pass
lkdtm_WARNING_sh: pass
lkdtm_WARNING_MESSAGE_sh: pass
lkdtm_EXCEPTION_sh: pass
lkdtm_LOOP_sh: skip
lkdtm_EXHAUST_STACK_sh: skip
lkdtm_CORRUPT_STACK_sh: skip
lkdtm_CORRUPT_STACK_STRONG_sh: skip
lkdtm_CORRUPT_LIST_ADD_sh: fail
lkdtm_CORRUPT_LIST_DEL_sh: fail
lkdtm_STACK_GUARD_PAGE_LEADING_sh: pass
lkdtm_STACK_GUARD_PAGE_TRAILING_sh: pass
lkdtm_UNSET_SMEP_sh: pass
lkdtm_DOUBLE_FAULT_sh: skip
lkdtm_CORRUPT_PAC_sh: skip
lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh: skip
lkdtm_OVERWRITE_ALLOCATION_sh: skip
lkdtm_WRITE_AFTER_FREE_sh: skip
lkdtm_READ_AFTER_FREE_sh: fail
lkdtm_WRITE_BUDDY_AFTER_FREE_sh: skip
lkdtm_READ_BUDDY_AFTER_FREE_sh: fail
lkdtm_SLAB_FREE_DOUBLE_sh: fail
lkdtm_SLAB_FREE_CROSS_sh: fail
lkdtm_SLAB_FREE_PAGE_sh: fail
lkdtm_SOFTLOCKUP_sh: skip
lkdtm_HARDLOCKUP_sh: skip
lkdtm_SPINLOCKUP_sh: skip
lkdtm_HUNG_TASK_sh: skip
lkdtm_EXEC_DATA_sh: pass
lkdtm_EXEC_STACK_sh: pass
lkdtm_EXEC_KMALLOC_sh: pass
lkdtm_EXEC_VMALLOC_sh: pass
lkdtm_EXEC_RODATA_sh: pass
lkdtm_EXEC_USERSPACE_sh: pass
lkdtm_EXEC_NULL_sh: pass
lkdtm_ACCESS_USERSPACE_sh: pass
lkdtm_ACCESS_NULL_sh: pass
lkdtm_WRITE_RO_sh: pass
lkdtm_WRITE_RO_AFTER_INIT_sh: pass
lkdtm_WRITE_KERN_sh: pass
lkdtm_REFCOUNT_INC_OVERFLOW_sh: pass
lkdtm_REFCOUNT_ADD_OVERFLOW_sh: pass
lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh: pass
lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh: pass
lkdtm_REFCOUNT_DEC_ZERO_sh: pass
lkdtm_REFCOUNT_DEC_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_INC_ZERO_sh: pass
lkdtm_REFCOUNT_ADD_ZERO_sh: pass
lkdtm_REFCOUNT_INC_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_TIMING_sh: skip
lkdtm_ATOMIC_TIMING_sh: skip
lkdtm_USERCOPY_HEAP_SIZE_TO_sh: fail
lkdtm_USERCOPY_HEAP_SIZE_FROM_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh: fail
lkdtm_USERCOPY_STACK_FRAME_TO_sh: fail
lkdtm_USERCOPY_STACK_FRAME_FROM_sh: fail
lkdtm_USERCOPY_STACK_BEYOND_sh: fail
lkdtm_USERCOPY_KERNEL_sh: fail
lkdtm_STACKLEAK_ERASING_sh: fail
lkdtm_CFI_FORWARD_PROTO_sh: fail

 7783 13:53:34.968308  end: 3.1 lava-test-shell (duration 00:00:54) [common]
 7784 13:53:34.968386  end: 3 lava-test-retry (duration 00:00:54) [common]
 7785 13:53:34.968467  start: 4 finalize (timeout 00:07:47) [common]
 7786 13:53:34.968546  start: 4.1 power-off (timeout 00:00:30) [common]
 7787 13:53:34.968668  Calling: ['pduclient', '--daemon=localhost', '--hostname=asus-C433TA-AJ0005-rammus-cbg-1', '--port=1', '--command=off']
 7788 13:53:37.046997  >> Command sent successfully.
 7789 13:53:37.050331  Returned 0 in 2 seconds
 7790 13:53:37.050543  end: 4.1 power-off (duration 00:00:02) [common]
 7792 13:53:37.050815  start: 4.2 read-feedback (timeout 00:07:45) [common]
 7842 13:53:37.055954  Listened to connection for namespace 'common' for up to 1s
 7890 13:53:37.060378  Listened to connection for namespace 'common' for up to 1s
 7903 13:53:37.061785  Listened to connection for namespace 'common' for up to 1s
 7904 13:53:38.051996  Finalising connection for namespace 'common'
 7905 13:53:38.052152  Disconnecting from shell: Finalise
 7906 13:53:38.152412  end: 4.2 read-feedback (duration 00:00:01) [common]
 7907 13:53:38.152578  end: 4 finalize (duration 00:00:03) [common]
 7908 13:53:38.152719  Cleaning after the job
 7909 13:53:38.152844  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/14880252/tftp-deploy-tf0zlnuc/ramdisk
 7910 13:53:38.154728  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/14880252/tftp-deploy-tf0zlnuc/kernel
 7911 13:53:38.158180  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/14880252/tftp-deploy-tf0zlnuc/nfsrootfs
 7912 13:53:38.230450  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/14880252/tftp-deploy-tf0zlnuc/modules
 7913 13:53:38.234082  Removing override tmp directory at /var/lib/lava/dispatcher/tmp/14880252
 7914 13:53:38.786922  Removing root tmp directory at /var/lib/lava/dispatcher/tmp/14880252
 7915 13:53:38.787064  Job finished correctly