Boot log: asus-C433TA-AJ0005-rammus

    1 00:26:47.030121  lava-dispatcher, installed at version: 2023.10
    2 00:26:47.030322  start: 0 validate
    3 00:26:47.030462  Start time: 2023-12-14 00:26:47.030454+00:00 (UTC)
    4 00:26:47.030591  Using caching service: 'http://localhost/cache/?uri=%s'
    5 00:26:47.030726  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230623.0%2Famd64%2Finitrd.cpio.gz exists
    6 00:26:47.291569  Using caching service: 'http://localhost/cache/?uri=%s'
    7 00:26:47.291777  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.201-cip41-473-gc43d7b7bbe83a%2Fx86_64%2Fx86_64_defconfig%2Bx86-board%2Bkselftest%2Fgcc-10%2Fkernel%2FbzImage exists
    8 00:26:47.550539  Using caching service: 'http://localhost/cache/?uri=%s'
    9 00:26:47.550701  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230623.0%2Famd64%2Ffull.rootfs.tar.xz exists
   10 00:26:47.801137  Using caching service: 'http://localhost/cache/?uri=%s'
   11 00:26:47.801312  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.201-cip41-473-gc43d7b7bbe83a%2Fx86_64%2Fx86_64_defconfig%2Bx86-board%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   12 00:26:48.061088  validate duration: 1.03
   14 00:26:48.061371  start: 1 tftp-deploy (timeout 00:10:00) [common]
   15 00:26:48.061470  start: 1.1 download-retry (timeout 00:10:00) [common]
   16 00:26:48.061556  start: 1.1.1 http-download (timeout 00:10:00) [common]
   17 00:26:48.061682  Not decompressing ramdisk as can be used compressed.
   18 00:26:48.061770  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230623.0/amd64/initrd.cpio.gz
   19 00:26:48.061837  saving as /var/lib/lava/dispatcher/tmp/12264581/tftp-deploy-tddnab59/ramdisk/initrd.cpio.gz
   20 00:26:48.061901  total size: 5432480 (5 MB)
   21 00:26:48.062969  progress   0 % (0 MB)
   22 00:26:48.064732  progress   5 % (0 MB)
   23 00:26:48.066200  progress  10 % (0 MB)
   24 00:26:48.067613  progress  15 % (0 MB)
   25 00:26:48.069247  progress  20 % (1 MB)
   26 00:26:48.070695  progress  25 % (1 MB)
   27 00:26:48.072135  progress  30 % (1 MB)
   28 00:26:48.073691  progress  35 % (1 MB)
   29 00:26:48.075073  progress  40 % (2 MB)
   30 00:26:48.076509  progress  45 % (2 MB)
   31 00:26:48.077942  progress  50 % (2 MB)
   32 00:26:48.079485  progress  55 % (2 MB)
   33 00:26:48.080927  progress  60 % (3 MB)
   34 00:26:48.082356  progress  65 % (3 MB)
   35 00:26:48.083961  progress  70 % (3 MB)
   36 00:26:48.085345  progress  75 % (3 MB)
   37 00:26:48.086726  progress  80 % (4 MB)
   38 00:26:48.088149  progress  85 % (4 MB)
   39 00:26:48.089747  progress  90 % (4 MB)
   40 00:26:48.091132  progress  95 % (4 MB)
   41 00:26:48.092674  progress 100 % (5 MB)
   42 00:26:48.092918  5 MB downloaded in 0.03 s (167.04 MB/s)
   43 00:26:48.093117  end: 1.1.1 http-download (duration 00:00:00) [common]
   45 00:26:48.093498  end: 1.1 download-retry (duration 00:00:00) [common]
   46 00:26:48.093615  start: 1.2 download-retry (timeout 00:10:00) [common]
   47 00:26:48.093730  start: 1.2.1 http-download (timeout 00:10:00) [common]
   48 00:26:48.093897  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-473-gc43d7b7bbe83a/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kernel/bzImage
   49 00:26:48.093992  saving as /var/lib/lava/dispatcher/tmp/12264581/tftp-deploy-tddnab59/kernel/bzImage
   50 00:26:48.094081  total size: 17282976 (16 MB)
   51 00:26:48.094170  No compression specified
   52 00:26:48.095886  progress   0 % (0 MB)
   53 00:26:48.100532  progress   5 % (0 MB)
   54 00:26:48.104979  progress  10 % (1 MB)
   55 00:26:48.109607  progress  15 % (2 MB)
   56 00:26:48.114061  progress  20 % (3 MB)
   57 00:26:48.118519  progress  25 % (4 MB)
   58 00:26:48.123168  progress  30 % (4 MB)
   59 00:26:48.127649  progress  35 % (5 MB)
   60 00:26:48.132115  progress  40 % (6 MB)
   61 00:26:48.136725  progress  45 % (7 MB)
   62 00:26:48.141185  progress  50 % (8 MB)
   63 00:26:48.145834  progress  55 % (9 MB)
   64 00:26:48.150346  progress  60 % (9 MB)
   65 00:26:48.154802  progress  65 % (10 MB)
   66 00:26:48.159434  progress  70 % (11 MB)
   67 00:26:48.164026  progress  75 % (12 MB)
   68 00:26:48.168436  progress  80 % (13 MB)
   69 00:26:48.172975  progress  85 % (14 MB)
   70 00:26:48.177336  progress  90 % (14 MB)
   71 00:26:48.181868  progress  95 % (15 MB)
   72 00:26:48.186230  progress 100 % (16 MB)
   73 00:26:48.186396  16 MB downloaded in 0.09 s (178.55 MB/s)
   74 00:26:48.186543  end: 1.2.1 http-download (duration 00:00:00) [common]
   76 00:26:48.186776  end: 1.2 download-retry (duration 00:00:00) [common]
   77 00:26:48.186874  start: 1.3 download-retry (timeout 00:10:00) [common]
   78 00:26:48.186962  start: 1.3.1 http-download (timeout 00:10:00) [common]
   79 00:26:48.187102  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230623.0/amd64/full.rootfs.tar.xz
   80 00:26:48.187171  saving as /var/lib/lava/dispatcher/tmp/12264581/tftp-deploy-tddnab59/nfsrootfs/full.rootfs.tar
   81 00:26:48.187232  total size: 207157356 (197 MB)
   82 00:26:48.187294  Using unxz to decompress xz
   83 00:26:48.191563  progress   0 % (0 MB)
   84 00:26:48.745497  progress   5 % (9 MB)
   85 00:26:49.281269  progress  10 % (19 MB)
   86 00:26:49.890200  progress  15 % (29 MB)
   87 00:26:50.253620  progress  20 % (39 MB)
   88 00:26:50.617099  progress  25 % (49 MB)
   89 00:26:51.223679  progress  30 % (59 MB)
   90 00:26:51.769996  progress  35 % (69 MB)
   91 00:26:52.374461  progress  40 % (79 MB)
   92 00:26:52.933476  progress  45 % (88 MB)
   93 00:26:53.534672  progress  50 % (98 MB)
   94 00:26:54.176515  progress  55 % (108 MB)
   95 00:26:54.877067  progress  60 % (118 MB)
   96 00:26:55.015142  progress  65 % (128 MB)
   97 00:26:55.154445  progress  70 % (138 MB)
   98 00:26:55.247422  progress  75 % (148 MB)
   99 00:26:55.316984  progress  80 % (158 MB)
  100 00:26:55.386400  progress  85 % (167 MB)
  101 00:26:55.486526  progress  90 % (177 MB)
  102 00:26:55.759265  progress  95 % (187 MB)
  103 00:26:56.350118  progress 100 % (197 MB)
  104 00:26:56.356407  197 MB downloaded in 8.17 s (24.18 MB/s)
  105 00:26:56.356671  end: 1.3.1 http-download (duration 00:00:08) [common]
  107 00:26:56.356936  end: 1.3 download-retry (duration 00:00:08) [common]
  108 00:26:56.357027  start: 1.4 download-retry (timeout 00:09:52) [common]
  109 00:26:56.357116  start: 1.4.1 http-download (timeout 00:09:52) [common]
  110 00:26:56.357273  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-473-gc43d7b7bbe83a/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/modules.tar.xz
  111 00:26:56.357347  saving as /var/lib/lava/dispatcher/tmp/12264581/tftp-deploy-tddnab59/modules/modules.tar
  112 00:26:56.357409  total size: 3319248 (3 MB)
  113 00:26:56.357474  Using unxz to decompress xz
  114 00:26:56.361617  progress   0 % (0 MB)
  115 00:26:56.367541  progress   5 % (0 MB)
  116 00:26:56.376178  progress  10 % (0 MB)
  117 00:26:56.384755  progress  15 % (0 MB)
  118 00:26:56.396491  progress  20 % (0 MB)
  119 00:26:56.408310  progress  25 % (0 MB)
  120 00:26:56.417909  progress  30 % (0 MB)
  121 00:26:56.430653  progress  35 % (1 MB)
  122 00:26:56.442576  progress  40 % (1 MB)
  123 00:26:56.452770  progress  45 % (1 MB)
  124 00:26:56.462539  progress  50 % (1 MB)
  125 00:26:56.472175  progress  55 % (1 MB)
  126 00:26:56.483995  progress  60 % (1 MB)
  127 00:26:56.493609  progress  65 % (2 MB)
  128 00:26:56.503309  progress  70 % (2 MB)
  129 00:26:56.512984  progress  75 % (2 MB)
  130 00:26:56.524893  progress  80 % (2 MB)
  131 00:26:56.535105  progress  85 % (2 MB)
  132 00:26:56.545380  progress  90 % (2 MB)
  133 00:26:56.555648  progress  95 % (3 MB)
  134 00:26:56.566719  progress 100 % (3 MB)
  135 00:26:56.572150  3 MB downloaded in 0.21 s (14.74 MB/s)
  136 00:26:56.572400  end: 1.4.1 http-download (duration 00:00:00) [common]
  138 00:26:56.572661  end: 1.4 download-retry (duration 00:00:00) [common]
  139 00:26:56.572754  start: 1.5 prepare-tftp-overlay (timeout 00:09:51) [common]
  140 00:26:56.572851  start: 1.5.1 extract-nfsrootfs (timeout 00:09:51) [common]
  141 00:27:00.119540  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/12264581/extract-nfsrootfs-cy_a_e9h
  142 00:27:00.119745  end: 1.5.1 extract-nfsrootfs (duration 00:00:04) [common]
  143 00:27:00.119848  start: 1.5.2 lava-overlay (timeout 00:09:48) [common]
  144 00:27:00.120014  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk
  145 00:27:00.120146  makedir: /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin
  146 00:27:00.120248  makedir: /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/tests
  147 00:27:00.120348  makedir: /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/results
  148 00:27:00.120451  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-add-keys
  149 00:27:00.120599  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-add-sources
  150 00:27:00.120732  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-background-process-start
  151 00:27:00.120860  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-background-process-stop
  152 00:27:00.120987  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-common-functions
  153 00:27:00.121113  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-echo-ipv4
  154 00:27:00.121243  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-install-packages
  155 00:27:00.121368  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-installed-packages
  156 00:27:00.121493  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-os-build
  157 00:27:00.121619  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-probe-channel
  158 00:27:00.121745  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-probe-ip
  159 00:27:00.121870  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-target-ip
  160 00:27:00.122000  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-target-mac
  161 00:27:00.122125  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-target-storage
  162 00:27:00.122252  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-test-case
  163 00:27:00.122380  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-test-event
  164 00:27:00.122505  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-test-feedback
  165 00:27:00.122630  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-test-raise
  166 00:27:00.122755  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-test-reference
  167 00:27:00.122882  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-test-runner
  168 00:27:00.123006  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-test-set
  169 00:27:00.123132  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-test-shell
  170 00:27:00.123260  Updating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-add-keys (debian)
  171 00:27:00.123415  Updating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-add-sources (debian)
  172 00:27:00.123555  Updating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-install-packages (debian)
  173 00:27:00.123860  Updating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-installed-packages (debian)
  174 00:27:00.124003  Updating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/bin/lava-os-build (debian)
  175 00:27:00.124127  Creating /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/environment
  176 00:27:00.124226  LAVA metadata
  177 00:27:00.124297  - LAVA_JOB_ID=12264581
  178 00:27:00.124362  - LAVA_DISPATCHER_IP=192.168.201.1
  179 00:27:00.124463  start: 1.5.2.1 lava-vland-overlay (timeout 00:09:48) [common]
  180 00:27:00.124530  skipped lava-vland-overlay
  181 00:27:00.124604  end: 1.5.2.1 lava-vland-overlay (duration 00:00:00) [common]
  182 00:27:00.124698  start: 1.5.2.2 lava-multinode-overlay (timeout 00:09:48) [common]
  183 00:27:00.124760  skipped lava-multinode-overlay
  184 00:27:00.124834  end: 1.5.2.2 lava-multinode-overlay (duration 00:00:00) [common]
  185 00:27:00.124912  start: 1.5.2.3 test-definition (timeout 00:09:48) [common]
  186 00:27:00.124985  Loading test definitions
  187 00:27:00.125075  start: 1.5.2.3.1 inline-repo-action (timeout 00:09:48) [common]
  188 00:27:00.125145  Using /lava-12264581 at stage 0
  189 00:27:00.125430  uuid=12264581_1.5.2.3.1 testdef=None
  190 00:27:00.125520  end: 1.5.2.3.1 inline-repo-action (duration 00:00:00) [common]
  191 00:27:00.125606  start: 1.5.2.3.2 test-overlay (timeout 00:09:48) [common]
  192 00:27:00.126060  end: 1.5.2.3.2 test-overlay (duration 00:00:00) [common]
  194 00:27:00.126281  start: 1.5.2.3.3 test-install-overlay (timeout 00:09:48) [common]
  195 00:27:00.126841  end: 1.5.2.3.3 test-install-overlay (duration 00:00:00) [common]
  197 00:27:00.127072  start: 1.5.2.3.4 test-runscript-overlay (timeout 00:09:48) [common]
  198 00:27:00.127615  runner path: /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/0/tests/0_timesync-off test_uuid 12264581_1.5.2.3.1
  199 00:27:00.127776  end: 1.5.2.3.4 test-runscript-overlay (duration 00:00:00) [common]
  201 00:27:00.128001  start: 1.5.2.3.5 git-repo-action (timeout 00:09:48) [common]
  202 00:27:00.128072  Using /lava-12264581 at stage 0
  203 00:27:00.128168  Fetching tests from https://github.com/kernelci/test-definitions.git
  204 00:27:00.128246  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/0/tests/1_kselftest-lkdtm'
  205 00:27:04.334159  Running '/usr/bin/git checkout kernelci.org
  206 00:27:04.481656  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  207 00:27:04.482397  uuid=12264581_1.5.2.3.5 testdef=None
  208 00:27:04.482556  end: 1.5.2.3.5 git-repo-action (duration 00:00:04) [common]
  210 00:27:04.482811  start: 1.5.2.3.6 test-overlay (timeout 00:09:44) [common]
  211 00:27:04.483570  end: 1.5.2.3.6 test-overlay (duration 00:00:00) [common]
  213 00:27:04.483885  start: 1.5.2.3.7 test-install-overlay (timeout 00:09:44) [common]
  214 00:27:04.484990  end: 1.5.2.3.7 test-install-overlay (duration 00:00:00) [common]
  216 00:27:04.485226  start: 1.5.2.3.8 test-runscript-overlay (timeout 00:09:44) [common]
  217 00:27:04.486164  runner path: /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/0/tests/1_kselftest-lkdtm test_uuid 12264581_1.5.2.3.5
  218 00:27:04.486259  BOARD='asus-C433TA-AJ0005-rammus'
  219 00:27:04.486326  BRANCH='cip-gitlab'
  220 00:27:04.486388  SKIPFILE='/dev/null'
  221 00:27:04.486447  SKIP_INSTALL='True'
  222 00:27:04.486503  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-473-gc43d7b7bbe83a/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz'
  223 00:27:04.486561  TST_CASENAME=''
  224 00:27:04.486616  TST_CMDFILES='lkdtm'
  225 00:27:04.486767  end: 1.5.2.3.8 test-runscript-overlay (duration 00:00:00) [common]
  227 00:27:04.486970  Creating lava-test-runner.conf files
  228 00:27:04.487036  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/12264581/lava-overlay-a6nxutnk/lava-12264581/0 for stage 0
  229 00:27:04.487131  - 0_timesync-off
  230 00:27:04.487199  - 1_kselftest-lkdtm
  231 00:27:04.487298  end: 1.5.2.3 test-definition (duration 00:00:04) [common]
  232 00:27:04.487388  start: 1.5.2.4 compress-overlay (timeout 00:09:44) [common]
  233 00:27:11.952838  end: 1.5.2.4 compress-overlay (duration 00:00:07) [common]
  234 00:27:11.952989  start: 1.5.2.5 persistent-nfs-overlay (timeout 00:09:36) [common]
  235 00:27:11.953085  end: 1.5.2.5 persistent-nfs-overlay (duration 00:00:00) [common]
  236 00:27:11.953187  end: 1.5.2 lava-overlay (duration 00:00:12) [common]
  237 00:27:11.953281  start: 1.5.3 extract-overlay-ramdisk (timeout 00:09:36) [common]
  238 00:27:12.091079  end: 1.5.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  239 00:27:12.091466  start: 1.5.4 extract-modules (timeout 00:09:36) [common]
  240 00:27:12.091585  extracting modules file /var/lib/lava/dispatcher/tmp/12264581/tftp-deploy-tddnab59/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12264581/extract-nfsrootfs-cy_a_e9h
  241 00:27:12.176323  extracting modules file /var/lib/lava/dispatcher/tmp/12264581/tftp-deploy-tddnab59/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12264581/extract-overlay-ramdisk-krsyp6m3/ramdisk
  242 00:27:12.263577  end: 1.5.4 extract-modules (duration 00:00:00) [common]
  243 00:27:12.263789  start: 1.5.5 apply-overlay-tftp (timeout 00:09:36) [common]
  244 00:27:12.263887  [common] Applying overlay to NFS
  245 00:27:12.263956  [common] Applying overlay /var/lib/lava/dispatcher/tmp/12264581/compress-overlay-b18m1jog/overlay-1.5.2.4.tar.gz to directory /var/lib/lava/dispatcher/tmp/12264581/extract-nfsrootfs-cy_a_e9h
  246 00:27:13.191523  end: 1.5.5 apply-overlay-tftp (duration 00:00:01) [common]
  247 00:27:13.191720  start: 1.5.6 configure-preseed-file (timeout 00:09:35) [common]
  248 00:27:13.191816  end: 1.5.6 configure-preseed-file (duration 00:00:00) [common]
  249 00:27:13.191911  start: 1.5.7 compress-ramdisk (timeout 00:09:35) [common]
  250 00:27:13.191994  Building ramdisk /var/lib/lava/dispatcher/tmp/12264581/extract-overlay-ramdisk-krsyp6m3/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/12264581/extract-overlay-ramdisk-krsyp6m3/ramdisk
  251 00:27:13.390408  >> 67825 blocks

  252 00:27:14.526458  rename /var/lib/lava/dispatcher/tmp/12264581/extract-overlay-ramdisk-krsyp6m3/ramdisk.cpio.gz to /var/lib/lava/dispatcher/tmp/12264581/tftp-deploy-tddnab59/ramdisk/ramdisk.cpio.gz
  253 00:27:14.526897  end: 1.5.7 compress-ramdisk (duration 00:00:01) [common]
  254 00:27:14.527018  start: 1.5.8 prepare-kernel (timeout 00:09:34) [common]
  255 00:27:14.527121  start: 1.5.8.1 prepare-fit (timeout 00:09:34) [common]
  256 00:27:14.527215  No mkimage arch provided, not using FIT.
  257 00:27:14.527305  end: 1.5.8.1 prepare-fit (duration 00:00:00) [common]
  258 00:27:14.527387  end: 1.5.8 prepare-kernel (duration 00:00:00) [common]
  259 00:27:14.527494  end: 1.5 prepare-tftp-overlay (duration 00:00:18) [common]
  260 00:27:14.527587  start: 1.6 lxc-create-udev-rule-action (timeout 00:09:34) [common]
  261 00:27:14.527705  No LXC device requested
  262 00:27:14.527808  end: 1.6 lxc-create-udev-rule-action (duration 00:00:00) [common]
  263 00:27:14.527908  start: 1.7 deploy-device-env (timeout 00:09:34) [common]
  264 00:27:14.527997  end: 1.7 deploy-device-env (duration 00:00:00) [common]
  265 00:27:14.528079  Checking files for TFTP limit of 4294967296 bytes.
  266 00:27:14.528490  end: 1 tftp-deploy (duration 00:00:26) [common]
  267 00:27:14.528595  start: 2 depthcharge-action (timeout 00:05:00) [common]
  268 00:27:14.528683  start: 2.1 depthcharge-overlay (timeout 00:05:00) [common]
  269 00:27:14.528809  substitutions:
  270 00:27:14.528875  - {DTB}: None
  271 00:27:14.528937  - {INITRD}: 12264581/tftp-deploy-tddnab59/ramdisk/ramdisk.cpio.gz
  272 00:27:14.528996  - {KERNEL}: 12264581/tftp-deploy-tddnab59/kernel/bzImage
  273 00:27:14.529052  - {LAVA_MAC}: None
  274 00:27:14.529108  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/12264581/extract-nfsrootfs-cy_a_e9h
  275 00:27:14.529164  - {NFS_SERVER_IP}: 192.168.201.1
  276 00:27:14.529221  - {PRESEED_CONFIG}: None
  277 00:27:14.529276  - {PRESEED_LOCAL}: None
  278 00:27:14.529332  - {RAMDISK}: 12264581/tftp-deploy-tddnab59/ramdisk/ramdisk.cpio.gz
  279 00:27:14.529387  - {ROOT_PART}: None
  280 00:27:14.529441  - {ROOT}: None
  281 00:27:14.529495  - {SERVER_IP}: 192.168.201.1
  282 00:27:14.529547  - {TEE}: None
  283 00:27:14.529601  Parsed boot commands:
  284 00:27:14.529653  - tftpboot 192.168.201.1 {DEPTHCHARGE_KERNEL} {CMDLINE} {DEPTHCHARGE_RAMDISK}
  285 00:27:14.529827  Parsed boot commands: tftpboot 192.168.201.1 12264581/tftp-deploy-tddnab59/kernel/bzImage 12264581/tftp-deploy-tddnab59/kernel/cmdline 12264581/tftp-deploy-tddnab59/ramdisk/ramdisk.cpio.gz
  286 00:27:14.529915  end: 2.1 depthcharge-overlay (duration 00:00:00) [common]
  287 00:27:14.530000  start: 2.2 depthcharge-retry (timeout 00:05:00) [common]
  288 00:27:14.530088  start: 2.2.1 reset-connection (timeout 00:05:00) [common]
  289 00:27:14.530177  start: 2.2.1.1 disconnect-device (timeout 00:05:00) [common]
  290 00:27:14.530252  Not connected, no need to disconnect.
  291 00:27:14.530326  end: 2.2.1.1 disconnect-device (duration 00:00:00) [common]
  292 00:27:14.530406  start: 2.2.1.2 connect-device (timeout 00:05:00) [common]
  293 00:27:14.530474  [common] connect-device Connecting to device using '/usr/local/bin/chromebook-console.sh asus-C433TA-AJ0005-rammus-cbg-2'
  294 00:27:14.534586  Setting prompt string to ['lava-test: # ']
  295 00:27:14.534949  end: 2.2.1.2 connect-device (duration 00:00:00) [common]
  296 00:27:14.535060  end: 2.2.1 reset-connection (duration 00:00:00) [common]
  297 00:27:14.535160  start: 2.2.2 reset-device (timeout 00:05:00) [common]
  298 00:27:14.535254  start: 2.2.2.1 pdu-reboot (timeout 00:05:00) [common]
  299 00:27:14.535454  Calling: 'pduclient' '--daemon=localhost' '--hostname=asus-C433TA-AJ0005-rammus-cbg-2' '--port=1' '--command=reboot'
  300 00:27:19.684514  >> Command sent successfully.

  301 00:27:19.696718  Returned 0 in 5 seconds
  302 00:27:19.798062  end: 2.2.2.1 pdu-reboot (duration 00:00:05) [common]
  304 00:27:19.799618  end: 2.2.2 reset-device (duration 00:00:05) [common]
  305 00:27:19.800278  start: 2.2.3 depthcharge-start (timeout 00:04:55) [common]
  306 00:27:19.800769  Setting prompt string to 'Starting depthcharge on rammus...'
  307 00:27:19.801188  Changing prompt to 'Starting depthcharge on rammus...'
  308 00:27:19.801578  depthcharge-start: Wait for prompt Starting depthcharge on rammus... (timeout 00:05:00)
  309 00:27:19.802958  [Enter `^Ec?' for help]

  310 00:27:20.382410  

  311 00:27:20.383215  

  312 00:27:20.383940  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 bootblock starting...

  313 00:27:20.384962  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz

  314 00:27:20.385630  CPU: ID 806e9, Kabylake H0, ucode: 00000097

  315 00:27:20.386248  CPU: AES supported, TXT NOT supported, VT supported

  316 00:27:20.386843  MCH: device id 590c (rev 02) is Kabylake-Y

  317 00:27:20.387323  PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium

  318 00:27:20.387754  IGD: device id 591c (rev 02) is Amberlake ULX GT2

  319 00:27:20.388161  VBOOT: Loading verstage.

  320 00:27:20.388580  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  321 00:27:20.408441  CBFS: Locating 'fallback/verstage'

  322 00:27:20.408668  CBFS: Found @ offset 1a0a80 size f47c

  323 00:27:20.408862  

  324 00:27:20.409043  

  325 00:27:20.411768  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 verstage starting...

  326 00:27:20.424121  Probing TPM: . done!

  327 00:27:20.427790  TPM ready after 0 ms

  328 00:27:20.431040  Connected to device vid:did:rid of 1ae0:0028:00

  329 00:27:20.441228  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab

  330 00:27:20.445190  Initialized TPM device CR50 revision 0

  331 00:27:20.491461  tlcl_send_startup: Startup return code is 0

  332 00:27:20.491622  TPM: setup succeeded

  333 00:27:20.504050  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0

  334 00:27:20.508234  Chrome EC: UHEPI supported

  335 00:27:20.511098  Phase 1

  336 00:27:20.514975  FMAP: Found "FLASH" version 1.1 at c10000.

  337 00:27:20.518040  FMAP: base = ff000000 size = 1000000 #areas = 33

  338 00:27:20.524625  FMAP: area GBB found @ c11000 (978944 bytes)

  339 00:27:20.531522  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0

  340 00:27:20.532087  Phase 2

  341 00:27:20.532443  Phase 3

  342 00:27:20.538031  FMAP: area GBB found @ c11000 (978944 bytes)

  343 00:27:20.545062  VB2:vb2_report_dev_firmware() This is developer signed firmware

  344 00:27:20.548120  FMAP: area VBLOCK_A found @ 200000 (65536 bytes)

  345 00:27:20.554426  FMAP: area VBLOCK_A found @ 200000 (65536 bytes)

  346 00:27:20.561426  VB2:vb2_verify_keyblock() Checking key block signature...

  347 00:27:20.581301  FMAP: area VBLOCK_A found @ 200000 (65536 bytes)

  348 00:27:20.584225  FMAP: area VBLOCK_A found @ 200000 (65536 bytes)

  349 00:27:20.591046  VB2:vb2_verify_fw_preamble() Verifying preamble.

  350 00:27:20.596481  Phase 4

  351 00:27:20.600227  FMAP: area FW_MAIN_A found @ 210000 (4030400 bytes)

  352 00:27:20.606888  VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW

  353 00:27:20.867180  VB2:vb2_rsa_verify_digest() Digest check failed!

  354 00:27:20.870504  VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7

  355 00:27:20.873194  Saving nvdata

  356 00:27:20.877149  Reboot requested (10020007)

  357 00:27:20.879993  board_reset() called!

  358 00:27:20.880498  full_reset() called!

  359 00:27:25.351674  

  360 00:27:25.352014  

  361 00:27:25.358349  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 bootblock starting...

  362 00:27:25.364810  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz

  363 00:27:25.367850  CPU: ID 806e9, Kabylake H0, ucode: 00000097

  364 00:27:25.374951  CPU: AES supported, TXT NOT supported, VT supported

  365 00:27:25.377946  MCH: device id 590c (rev 02) is Kabylake-Y

  366 00:27:25.384704  PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium

  367 00:27:25.388167  IGD: device id 591c (rev 02) is Amberlake ULX GT2

  368 00:27:25.391228  VBOOT: Loading verstage.

  369 00:27:25.397904  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  370 00:27:25.401287  CBFS: Locating 'fallback/verstage'

  371 00:27:25.404455  CBFS: Found @ offset 1a0a80 size f47c

  372 00:27:25.418687  

  373 00:27:25.419236  

  374 00:27:25.425563  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 verstage starting...

  375 00:27:25.441439  Probing TPM: . done!

  376 00:27:25.444545  TPM ready after 0 ms

  377 00:27:25.448136  Connected to device vid:did:rid of 1ae0:0028:00

  378 00:27:25.458597  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab

  379 00:27:25.461375  Initialized TPM device CR50 revision 0

  380 00:27:25.508208  tlcl_send_startup: Startup return code is 0

  381 00:27:25.508748  TPM: setup succeeded

  382 00:27:25.520707  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0

  383 00:27:25.525120  Chrome EC: UHEPI supported

  384 00:27:25.528481  Phase 1

  385 00:27:25.531428  FMAP: Found "FLASH" version 1.1 at c10000.

  386 00:27:25.538645  FMAP: base = ff000000 size = 1000000 #areas = 33

  387 00:27:25.542425  FMAP: area GBB found @ c11000 (978944 bytes)

  388 00:27:25.548230  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7

  389 00:27:25.555097  VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0

  390 00:27:25.558338  Recovery requested (1009000e)

  391 00:27:25.558787  Saving nvdata

  392 00:27:25.568754  tlcl_extend: response is 0

  393 00:27:25.578274  tlcl_extend: response is 0

  394 00:27:25.584805  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  395 00:27:25.587193  CBFS: Locating 'fallback/romstage'

  396 00:27:25.590792  CBFS: Found @ offset 80 size 10ffc

  397 00:27:25.595165  

  398 00:27:25.595694  

  399 00:27:25.601425  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 romstage starting...

  400 00:27:25.608792  pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00

  401 00:27:25.611854  gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000

  402 00:27:25.615488  gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000

  403 00:27:25.621783  gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000

  404 00:27:25.625457  gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000

  405 00:27:25.628283  TCO_STS:   0000 0000

  406 00:27:25.631639  GEN_PMCON: e0040200 0000523a

  407 00:27:25.635117  GBLRST_CAUSE: 00000000 00000000

  408 00:27:25.635589  prev_sleep_state 5

  409 00:27:25.638440  Boot Count incremented to 60030

  410 00:27:25.645551  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  411 00:27:25.648388  CBFS: Locating 'fspm.bin'

  412 00:27:25.651917  CBFS: Found @ offset 103fc0 size 63000

  413 00:27:25.654956  Chrome EC: UHEPI supported

  414 00:27:25.662645  FMAP: Found "FLASH" version 1.1 at c10000.

  415 00:27:25.665887  FMAP: base = ff000000 size = 1000000 #areas = 33

  416 00:27:25.672023  FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes)

  417 00:27:25.676675  Probing TPM:  done!

  418 00:27:25.683492  Connected to device vid:did:rid of 1ae0:0028:00

  419 00:27:25.693457  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab

  420 00:27:25.699756  Initialized TPM device CR50 revision 0

  421 00:27:25.708771  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  422 00:27:25.715371  MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE

  423 00:27:25.718340  MRC cache found, size 1868

  424 00:27:25.721488  bootmode is set to :2

  425 00:27:25.721961  SPD index 1

  426 00:27:25.728358  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  427 00:27:25.731138  CBFS: Locating 'spd.bin'

  428 00:27:25.734654  CBFS: Found @ offset 1a0240 size 800

  429 00:27:25.738117  SPD: module type is LPDDR3

  430 00:27:25.741262  SPD: module part is K4E8E324EB-EGCF   

  431 00:27:25.748649  SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb

  432 00:27:25.751416  SPD: device width 32 bits, bus width 64 bits

  433 00:27:25.757365  SPD: module size is 2048 MB (per channel)

  434 00:27:25.869391  CBMEM:

  435 00:27:25.872340  IMD: root @ 7afff000 254 entries.

  436 00:27:25.875786  IMD: root @ 7affec00 62 entries.

  437 00:27:25.879491  External stage cache:

  438 00:27:25.882133  IMD: root @ 7b3ff000 254 entries.

  439 00:27:25.885707  IMD: root @ 7b3fec00 62 entries.

  440 00:27:25.889188  creating vboot_handoff structure

  441 00:27:25.895902  Chrome EC: clear events_b mask to 0x0000000021004000

  442 00:27:25.908873  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  443 00:27:25.922037  tlcl_write: response is 0

  444 00:27:25.930888  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  445 00:27:25.937463  MRC: TPM MRC hash updated successfully.

  446 00:27:25.937947  2 DIMMs found

  447 00:27:25.940618  top_of_ram = 0x7b000000

  448 00:27:25.948218  MTRR Range: Start=7a000000 End=7b000000 (Size 1000000)

  449 00:27:25.950935  MTRR Range: Start=7b000000 End=7b800000 (Size 800000)

  450 00:27:25.957346  MTRR Range: Start=ff000000 End=0 (Size 1000000)

  451 00:27:25.960731  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  452 00:27:25.964033  CBFS: Locating 'fallback/postcar'

  453 00:27:25.970764  CBFS: Found @ offset 197000 size 3f04

  454 00:27:25.977611  Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes)

  455 00:27:25.987151  Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90

  456 00:27:25.990600  Processing 118 relocs. Offset value of 0x78bd1000

  457 00:27:25.996803  

  458 00:27:25.997282  

  459 00:27:26.002950  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 postcar starting...

  460 00:27:26.009298  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  461 00:27:26.013064  CBFS: Locating 'fallback/ramstage'

  462 00:27:26.018926  CBFS: Found @ offset e8d80 size 1a462

  463 00:27:26.025814  Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes)

  464 00:27:26.061980  Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78

  465 00:27:26.068772  Processing 3657 relocs. Offset value of 0x79d06000

  466 00:27:26.069383  

  467 00:27:26.069769  

  468 00:27:26.078527  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 ramstage starting...

  469 00:27:26.081376  FMAP: Found "FLASH" version 1.1 at c10000.

  470 00:27:26.085092  FMAP: base = ff000000 size = 1000000 #areas = 33

  471 00:27:26.091703  FMAP: area RO_VPD found @ c00000 (16384 bytes)

  472 00:27:26.094476  WARNING: RO_VPD is uninitialized or empty.

  473 00:27:26.098194  FMAP: area RW_VPD found @ 9f8000 (8192 bytes)

  474 00:27:26.105411  FMAP: area RW_VPD found @ 9f8000 (8192 bytes)

  475 00:27:26.105995  Normal boot.

  476 00:27:26.111173  BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0

  477 00:27:26.117695  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  478 00:27:26.121121  CBFS: Locating 'cpu_microcode_blob.bin'

  479 00:27:26.124699  CBFS: Found @ offset 11100 size d7c00

  480 00:27:26.127867  microcode: sig=0x806e9 pf=0x10 revision=0x97

  481 00:27:26.131408  Skip microcode update

  482 00:27:26.137936  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  483 00:27:26.141145  CBFS: Locating 'fsps.bin'

  484 00:27:26.144507  CBFS: Found @ offset 167fc0 size 2f000

  485 00:27:26.169873  Detected 2 core, 4 thread CPU.

  486 00:27:26.172843  Setting up SMI for CPU

  487 00:27:26.176042  IED base = 0x7b400000

  488 00:27:26.176495  IED size = 0x00400000

  489 00:27:26.179850  Will perform SMM setup.

  490 00:27:26.186632  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz.

  491 00:27:26.193327  Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170

  492 00:27:26.196297  Processing 16 relocs. Offset value of 0x00030000

  493 00:27:26.200500  Attempting to start 3 APs

  494 00:27:26.203671  Waiting for 10ms after sending INIT.

  495 00:27:26.219949  Waiting for 1st SIPI to complete...done.

  496 00:27:26.220543  AP: slot 3 apic_id 2.

  497 00:27:26.222966  AP: slot 2 apic_id 3.

  498 00:27:26.226726  AP: slot 1 apic_id 1.

  499 00:27:26.229509  Waiting for 2nd SIPI to complete...done.

  500 00:27:26.236089  Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8

  501 00:27:26.242938  Processing 13 relocs. Offset value of 0x00038000

  502 00:27:26.249816  SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000)

  503 00:27:26.252967  Installing SMM handler to 0x7b000000

  504 00:27:26.259529  Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0

  505 00:27:26.265902  Processing 243 relocs. Offset value of 0x7b010000

  506 00:27:26.272848  Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8

  507 00:27:26.279489  Processing 13 relocs. Offset value of 0x7b008000

  508 00:27:26.282683  SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd

  509 00:27:26.289420  SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd

  510 00:27:26.295975  SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd

  511 00:27:26.302602  SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000)

  512 00:27:26.305859  Clearing SMI status registers

  513 00:27:26.306450  SMI_STS: PM1 

  514 00:27:26.308738  PM1_STS: PWRBTN 

  515 00:27:26.312275  TCO_STS: BOOT SECOND_TO 

  516 00:27:26.312846  New SMBASE 0x7b000000

  517 00:27:26.315691  In relocation handler: CPU 0

  518 00:27:26.322499  New SMBASE=0x7b000000 IEDBASE=0x7b400000

  519 00:27:26.325788  Writing SMRR. base = 0x7b000006, mask=0xff800800

  520 00:27:26.328918  Relocation complete.

  521 00:27:26.329387  New SMBASE 0x7afffc00

  522 00:27:26.332662  In relocation handler: CPU 1

  523 00:27:26.335529  New SMBASE=0x7afffc00 IEDBASE=0x7b400000

  524 00:27:26.342379  Writing SMRR. base = 0x7b000006, mask=0xff800800

  525 00:27:26.345670  Relocation complete.

  526 00:27:26.346242  New SMBASE 0x7afff400

  527 00:27:26.348516  In relocation handler: CPU 3

  528 00:27:26.351824  New SMBASE=0x7afff400 IEDBASE=0x7b400000

  529 00:27:26.358569  Writing SMRR. base = 0x7b000006, mask=0xff800800

  530 00:27:26.361591  Relocation complete.

  531 00:27:26.362063  New SMBASE 0x7afff800

  532 00:27:26.365183  In relocation handler: CPU 2

  533 00:27:26.369015  New SMBASE=0x7afff800 IEDBASE=0x7b400000

  534 00:27:26.374996  Writing SMRR. base = 0x7b000006, mask=0xff800800

  535 00:27:26.375556  Relocation complete.

  536 00:27:26.378719  Initializing CPU #0

  537 00:27:26.382156  CPU: vendor Intel device 806e9

  538 00:27:26.384814  CPU: family 06, model 8e, stepping 09

  539 00:27:26.391968  Setting up local APIC... apic_id: 0x00 done.

  540 00:27:26.392551  Turbo is available but hidden

  541 00:27:26.395155  Turbo has been enabled

  542 00:27:26.398835  SGX : param.enable = 0

  543 00:27:26.401964  Skip microcode update

  544 00:27:26.402562  CPU #0 initialized

  545 00:27:26.405140  Initializing CPU #1

  546 00:27:26.405616  Initializing CPU #3

  547 00:27:26.408108  Initializing CPU #2

  548 00:27:26.412028  CPU: vendor Intel device 806e9

  549 00:27:26.414627  CPU: family 06, model 8e, stepping 09

  550 00:27:26.418387  CPU: vendor Intel device 806e9

  551 00:27:26.421558  CPU: family 06, model 8e, stepping 09

  552 00:27:26.427968  Setting up local APIC...CPU: vendor Intel device 806e9

  553 00:27:26.431352  CPU: family 06, model 8e, stepping 09

  554 00:27:26.434712   apic_id: 0x02 done.

  555 00:27:26.441491  Setting up local APIC...Setting up local APIC... apic_id: 0x03 done.

  556 00:27:26.442103  Skip microcode update

  557 00:27:26.444603  Skip microcode update

  558 00:27:26.447932  CPU #3 initialized

  559 00:27:26.448411  CPU #2 initialized

  560 00:27:26.450946   apic_id: 0x01 done.

  561 00:27:26.454876  Skip microcode update

  562 00:27:26.455352  CPU #1 initialized

  563 00:27:26.457585  bsp_do_flight_plan done after 226 msecs.

  564 00:27:26.461242  CPU: frequency set to 3400 MHz

  565 00:27:26.464258  Enabling SMIs.

  566 00:27:26.464726  Locking SMM.

  567 00:27:26.467851  VMX : param.enable = 1

  568 00:27:26.471141  VMX status: enabled, unlocked

  569 00:27:26.474303  SGX: pre-conditions not met

  570 00:27:26.477577  VMX status: enabled, unlocked

  571 00:27:26.480636  SGX: pre-conditions not met

  572 00:27:26.481109  VMX status: enabled, unlocked

  573 00:27:26.483970  VMX status: enabled, unlocked

  574 00:27:26.487287  SGX: pre-conditions not met

  575 00:27:26.490939  SGX: pre-conditions not met

  576 00:27:26.497217  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  577 00:27:26.501063  CBFS: Locating 'vbt.bin'

  578 00:27:26.503703  CBFS: Found @ offset 103a00 size 48e

  579 00:27:26.506994  Found a VBT of 4608 bytes after decompression

  580 00:27:26.512202  psys_pmax = 360

  581 00:27:26.515130  FMAP: area GBB found @ c11000 (978944 bytes)

  582 00:27:26.625277  ITSS IRQ Polarities Before:

  583 00:27:26.628349  IPC0: 0x00ff4000

  584 00:27:26.628897  IPC1: 0x00000007

  585 00:27:26.631801  IPC2: 0x00000000

  586 00:27:26.632278  IPC3: 0x00000000

  587 00:27:26.635039  ITSS IRQ Polarities After:

  588 00:27:26.638026  IPC0: 0x00ff4000

  589 00:27:26.638502  IPC1: 0x00000007

  590 00:27:26.641737  IPC2: 0x00000000

  591 00:27:26.642210  IPC3: 0x00000000

  592 00:27:26.648559  Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU

  593 00:27:26.654977  BS: BS_DEV_INIT_CHIPS times (us): entry 376037 run 163853 exit 0

  594 00:27:26.658488  Enumerating buses...

  595 00:27:26.661766  Show all devs... Before device enumeration.

  596 00:27:26.664815  Root Device: enabled 1

  597 00:27:26.665289  CPU_CLUSTER: 0: enabled 1

  598 00:27:26.668464  DOMAIN: 0000: enabled 1

  599 00:27:26.671622  APIC: 00: enabled 1

  600 00:27:26.675032  PCI: 00:00.0: enabled 1

  601 00:27:26.675638  PCI: 00:02.0: enabled 1

  602 00:27:26.677757  PCI: 00:14.0: enabled 1

  603 00:27:26.681731  PCI: 00:14.1: enabled 0

  604 00:27:26.682305  PCI: 00:14.2: enabled 1

  605 00:27:26.684958  PCI: 00:15.0: enabled 1

  606 00:27:26.687737  PCI: 00:15.1: enabled 1

  607 00:27:26.691439  PCI: 00:15.2: enabled 0

  608 00:27:26.692209  PCI: 00:15.3: enabled 0

  609 00:27:26.694586  PCI: 00:16.0: enabled 1

  610 00:27:26.697722  PCI: 00:16.1: enabled 0

  611 00:27:26.701121  PCI: 00:16.2: enabled 0

  612 00:27:26.701694  PCI: 00:16.3: enabled 0

  613 00:27:26.704835  PCI: 00:16.4: enabled 0

  614 00:27:26.707703  PCI: 00:17.0: enabled 0

  615 00:27:26.710880  PCI: 00:19.0: enabled 1

  616 00:27:26.711354  PCI: 00:19.1: enabled 1

  617 00:27:26.714117  PCI: 00:19.2: enabled 0

  618 00:27:26.717674  PCI: 00:1c.0: enabled 1

  619 00:27:26.718237  PCI: 00:1c.1: enabled 0

  620 00:27:26.721169  PCI: 00:1c.2: enabled 0

  621 00:27:26.724573  PCI: 00:1c.3: enabled 0

  622 00:27:26.727389  PCI: 00:1c.4: enabled 0

  623 00:27:26.727917  PCI: 00:1c.5: enabled 0

  624 00:27:26.730743  PCI: 00:1c.6: enabled 0

  625 00:27:26.734694  PCI: 00:1c.7: enabled 0

  626 00:27:26.737617  PCI: 00:1d.0: enabled 0

  627 00:27:26.738091  PCI: 00:1d.1: enabled 0

  628 00:27:26.740817  PCI: 00:1d.2: enabled 0

  629 00:27:26.744644  PCI: 00:1d.3: enabled 0

  630 00:27:26.747762  PCI: 00:1e.0: enabled 1

  631 00:27:26.748325  PCI: 00:1e.1: enabled 0

  632 00:27:26.750862  PCI: 00:1e.2: enabled 1

  633 00:27:26.754405  PCI: 00:1e.3: enabled 0

  634 00:27:26.757189  PCI: 00:1e.4: enabled 1

  635 00:27:26.757806  PCI: 00:1e.5: enabled 0

  636 00:27:26.760828  PCI: 00:1e.6: enabled 1

  637 00:27:26.764245  PCI: 00:1f.0: enabled 1

  638 00:27:26.764719  PCI: 00:1f.1: enabled 1

  639 00:27:26.767456  PCI: 00:1f.2: enabled 1

  640 00:27:26.770491  PCI: 00:1f.3: enabled 1

  641 00:27:26.773756  PCI: 00:1f.4: enabled 1

  642 00:27:26.774229  PCI: 00:1f.5: enabled 1

  643 00:27:26.777066  PCI: 00:1f.6: enabled 0

  644 00:27:26.780842  USB0 port 0: enabled 1

  645 00:27:26.783974  I2C: 00:5c: enabled 1

  646 00:27:26.784448  I2C: 00:15: enabled 1

  647 00:27:26.787009  I2C: 00:39: enabled 1

  648 00:27:26.790610  I2C: 00:3a: enabled 1

  649 00:27:26.791042  I2C: 00:1a: enabled 1

  650 00:27:26.793913  PCI: 00:00.0: enabled 1

  651 00:27:26.797515  SPI: 00: enabled 1

  652 00:27:26.797941  PNP: 0c09.0: enabled 1

  653 00:27:26.800892  USB2 port 0: enabled 1

  654 00:27:26.803481  USB2 port 1: enabled 1

  655 00:27:26.803976  USB2 port 2: enabled 1

  656 00:27:26.807067  USB2 port 4: enabled 1

  657 00:27:26.810221  USB2 port 8: enabled 1

  658 00:27:26.810654  APIC: 01: enabled 1

  659 00:27:26.814058  APIC: 03: enabled 1

  660 00:27:26.817357  APIC: 02: enabled 1

  661 00:27:26.817788  Compare with tree...

  662 00:27:26.820337  Root Device: enabled 1

  663 00:27:26.823817   CPU_CLUSTER: 0: enabled 1

  664 00:27:26.824316    APIC: 00: enabled 1

  665 00:27:26.827073    APIC: 01: enabled 1

  666 00:27:26.830738    APIC: 03: enabled 1

  667 00:27:26.833614    APIC: 02: enabled 1

  668 00:27:26.834043   DOMAIN: 0000: enabled 1

  669 00:27:26.836620    PCI: 00:00.0: enabled 1

  670 00:27:26.840305    PCI: 00:02.0: enabled 1

  671 00:27:26.844124    PCI: 00:14.0: enabled 1

  672 00:27:26.844662     USB0 port 0: enabled 1

  673 00:27:26.846900      USB2 port 0: enabled 1

  674 00:27:26.850660      USB2 port 1: enabled 1

  675 00:27:26.853495      USB2 port 2: enabled 1

  676 00:27:26.856888      USB2 port 4: enabled 1

  677 00:27:26.859733      USB2 port 8: enabled 1

  678 00:27:26.860168    PCI: 00:14.1: enabled 0

  679 00:27:26.863555    PCI: 00:14.2: enabled 1

  680 00:27:26.866889    PCI: 00:15.0: enabled 1

  681 00:27:26.869924     I2C: 00:5c: enabled 1

  682 00:27:26.873047    PCI: 00:15.1: enabled 1

  683 00:27:26.873481     I2C: 00:15: enabled 1

  684 00:27:26.876866    PCI: 00:15.2: enabled 0

  685 00:27:26.879675    PCI: 00:15.3: enabled 0

  686 00:27:26.883535    PCI: 00:16.0: enabled 1

  687 00:27:26.884051    PCI: 00:16.1: enabled 0

  688 00:27:26.886503    PCI: 00:16.2: enabled 0

  689 00:27:26.889814    PCI: 00:16.3: enabled 0

  690 00:27:26.893600    PCI: 00:16.4: enabled 0

  691 00:27:26.896751    PCI: 00:17.0: enabled 0

  692 00:27:26.897179    PCI: 00:19.0: enabled 1

  693 00:27:26.899811    PCI: 00:19.1: enabled 1

  694 00:27:26.903136     I2C: 00:39: enabled 1

  695 00:27:26.906590     I2C: 00:3a: enabled 1

  696 00:27:26.909781     I2C: 00:1a: enabled 1

  697 00:27:26.910212    PCI: 00:19.2: enabled 0

  698 00:27:26.913661    PCI: 00:1c.0: enabled 1

  699 00:27:26.916385     PCI: 00:00.0: enabled 1

  700 00:27:26.919439    PCI: 00:1c.1: enabled 0

  701 00:27:26.922735    PCI: 00:1c.2: enabled 0

  702 00:27:26.923163    PCI: 00:1c.3: enabled 0

  703 00:27:26.925889    PCI: 00:1c.4: enabled 0

  704 00:27:26.929152    PCI: 00:1c.5: enabled 0

  705 00:27:26.933764    PCI: 00:1c.6: enabled 0

  706 00:27:26.934396    PCI: 00:1c.7: enabled 0

  707 00:27:26.936051    PCI: 00:1d.0: enabled 0

  708 00:27:26.939309    PCI: 00:1d.1: enabled 0

  709 00:27:26.942970    PCI: 00:1d.2: enabled 0

  710 00:27:26.946156    PCI: 00:1d.3: enabled 0

  711 00:27:26.946589    PCI: 00:1e.0: enabled 1

  712 00:27:26.949572    PCI: 00:1e.1: enabled 0

  713 00:27:26.952743    PCI: 00:1e.2: enabled 1

  714 00:27:26.956058     SPI: 00: enabled 1

  715 00:27:26.959833    PCI: 00:1e.3: enabled 0

  716 00:27:26.960362    PCI: 00:1e.4: enabled 1

  717 00:27:26.962836    PCI: 00:1e.5: enabled 0

  718 00:27:26.965829    PCI: 00:1e.6: enabled 1

  719 00:27:26.969269    PCI: 00:1f.0: enabled 1

  720 00:27:26.969701     PNP: 0c09.0: enabled 1

  721 00:27:26.972491    PCI: 00:1f.1: enabled 1

  722 00:27:26.975538    PCI: 00:1f.2: enabled 1

  723 00:27:26.979109    PCI: 00:1f.3: enabled 1

  724 00:27:26.982823    PCI: 00:1f.4: enabled 1

  725 00:27:26.983372    PCI: 00:1f.5: enabled 1

  726 00:27:26.985913    PCI: 00:1f.6: enabled 0

  727 00:27:26.989358  Root Device scanning...

  728 00:27:26.993306  root_dev_scan_bus for Root Device

  729 00:27:26.995525  CPU_CLUSTER: 0 enabled

  730 00:27:26.995979  DOMAIN: 0000 enabled

  731 00:27:26.998874  DOMAIN: 0000 scanning...

  732 00:27:27.002190  PCI: pci_scan_bus for bus 00

  733 00:27:27.005325  PCI: 00:00.0 [8086/0000] ops

  734 00:27:27.009038  PCI: 00:00.0 [8086/590c] enabled

  735 00:27:27.012532  PCI: 00:02.0 [8086/0000] ops

  736 00:27:27.015692  PCI: 00:02.0 [8086/591c] enabled

  737 00:27:27.018682  PCI: 00:04.0 [8086/1903] enabled

  738 00:27:27.022479  PCI: 00:08.0 [8086/1911] enabled

  739 00:27:27.025228  PCI: 00:14.0 [8086/0000] bus ops

  740 00:27:27.028930  PCI: 00:14.0 [8086/9d2f] enabled

  741 00:27:27.032103  PCI: 00:14.2 [8086/9d31] enabled

  742 00:27:27.035777  PCI: 00:15.0 [8086/0000] bus ops

  743 00:27:27.038637  PCI: 00:15.0 [8086/9d60] enabled

  744 00:27:27.042077  PCI: 00:15.1 [8086/0000] bus ops

  745 00:27:27.045085  PCI: 00:15.1 [8086/9d61] enabled

  746 00:27:27.049140  PCI: 00:16.0 [8086/0000] ops

  747 00:27:27.052116  PCI: 00:16.0 [8086/9d3a] enabled

  748 00:27:27.055316  PCI: 00:19.0 [8086/0000] ops

  749 00:27:27.058759  PCI: 00:19.0 [8086/9d66] enabled

  750 00:27:27.062025  PCI: 00:19.1 [8086/0000] bus ops

  751 00:27:27.065062  PCI: 00:19.1 [8086/9d65] enabled

  752 00:27:27.068075  PCI: 00:1c.0 [8086/0000] bus ops

  753 00:27:27.071627  PCI: 00:1c.0 [8086/9d10] enabled

  754 00:27:27.075181  PCI: 00:1e.0 [8086/0000] ops

  755 00:27:27.078076  PCI: 00:1e.0 [8086/9d27] enabled

  756 00:27:27.082085  PCI: 00:1e.2 [8086/0000] bus ops

  757 00:27:27.085614  PCI: 00:1e.2 [8086/9d29] enabled

  758 00:27:27.088092  PCI: 00:1e.4 [8086/9d2b] enabled

  759 00:27:27.091131  PCI: 00:1e.6 [8086/0000] ops

  760 00:27:27.094985  PCI: 00:1e.6 [8086/9d2d] enabled

  761 00:27:27.098389  PCI: 00:1f.0 [8086/0000] bus ops

  762 00:27:27.101639  PCI: 00:1f.0 [8086/9d4b] enabled

  763 00:27:27.104314  PCI: Static device PCI: 00:1f.1 not found, disabling it.

  764 00:27:27.107862  PCI: 00:1f.2 [8086/0000] bus ops

  765 00:27:27.111070  PCI: 00:1f.2 [8086/9d21] enabled

  766 00:27:27.114708  PCI: 00:1f.3 [8086/0000] bus ops

  767 00:27:27.118179  PCI: 00:1f.3 [8086/9d71] enabled

  768 00:27:27.121137  PCI: 00:1f.4 [8086/0000] bus ops

  769 00:27:27.124826  PCI: 00:1f.4 [8086/9d23] enabled

  770 00:27:27.127632  PCI: 00:1f.5 [8086/0000] bus ops

  771 00:27:27.131120  PCI: 00:1f.5 [8086/9d24] enabled

  772 00:27:27.134792  PCI: 00:14.0 scanning...

  773 00:27:27.137775  scan_usb_bus for PCI: 00:14.0

  774 00:27:27.140911  USB0 port 0 enabled

  775 00:27:27.141348  USB0 port 0 scanning...

  776 00:27:27.144724  scan_usb_bus for USB0 port 0

  777 00:27:27.148242  USB2 port 0 enabled

  778 00:27:27.151323  USB2 port 1 enabled

  779 00:27:27.151907  USB2 port 2 enabled

  780 00:27:27.154430  USB2 port 4 enabled

  781 00:27:27.154950  USB2 port 8 enabled

  782 00:27:27.157486  USB2 port 0 scanning...

  783 00:27:27.160839  scan_usb_bus for USB2 port 0

  784 00:27:27.163973  scan_usb_bus for USB2 port 0 done

  785 00:27:27.170590  scan_bus: scanning of bus USB2 port 0 took 8975 usecs

  786 00:27:27.171109  USB2 port 1 scanning...

  787 00:27:27.174333  scan_usb_bus for USB2 port 1

  788 00:27:27.177180  scan_usb_bus for USB2 port 1 done

  789 00:27:27.183926  scan_bus: scanning of bus USB2 port 1 took 8972 usecs

  790 00:27:27.187590  USB2 port 2 scanning...

  791 00:27:27.190671  scan_usb_bus for USB2 port 2

  792 00:27:27.193961  scan_usb_bus for USB2 port 2 done

  793 00:27:27.197179  scan_bus: scanning of bus USB2 port 2 took 8965 usecs

  794 00:27:27.200872  USB2 port 4 scanning...

  795 00:27:27.203920  scan_usb_bus for USB2 port 4

  796 00:27:27.207723  scan_usb_bus for USB2 port 4 done

  797 00:27:27.213656  scan_bus: scanning of bus USB2 port 4 took 8974 usecs

  798 00:27:27.214083  USB2 port 8 scanning...

  799 00:27:27.217319  scan_usb_bus for USB2 port 8

  800 00:27:27.220637  scan_usb_bus for USB2 port 8 done

  801 00:27:27.226980  scan_bus: scanning of bus USB2 port 8 took 8965 usecs

  802 00:27:27.230210  scan_usb_bus for USB0 port 0 done

  803 00:27:27.236895  scan_bus: scanning of bus USB0 port 0 took 90956 usecs

  804 00:27:27.240289  scan_usb_bus for PCI: 00:14.0 done

  805 00:27:27.243703  scan_bus: scanning of bus PCI: 00:14.0 took 107746 usecs

  806 00:27:27.246550  PCI: 00:15.0 scanning...

  807 00:27:27.250462  scan_generic_bus for PCI: 00:15.0

  808 00:27:27.253664  bus: PCI: 00:15.0[0]->I2C: 01:5c enabled

  809 00:27:27.259970  scan_generic_bus for PCI: 00:15.0 done

  810 00:27:27.263517  scan_bus: scanning of bus PCI: 00:15.0 took 14149 usecs

  811 00:27:27.266452  PCI: 00:15.1 scanning...

  812 00:27:27.270443  scan_generic_bus for PCI: 00:15.1

  813 00:27:27.273738  bus: PCI: 00:15.1[0]->I2C: 02:15 enabled

  814 00:27:27.280216  scan_generic_bus for PCI: 00:15.1 done

  815 00:27:27.283340  scan_bus: scanning of bus PCI: 00:15.1 took 14157 usecs

  816 00:27:27.286646  PCI: 00:19.1 scanning...

  817 00:27:27.289872  scan_generic_bus for PCI: 00:19.1

  818 00:27:27.293059  bus: PCI: 00:19.1[0]->I2C: 03:39 enabled

  819 00:27:27.299671  bus: PCI: 00:19.1[0]->I2C: 03:3a enabled

  820 00:27:27.303098  bus: PCI: 00:19.1[0]->I2C: 03:1a enabled

  821 00:27:27.306177  scan_generic_bus for PCI: 00:19.1 done

  822 00:27:27.312601  scan_bus: scanning of bus PCI: 00:19.1 took 22379 usecs

  823 00:27:27.313416  PCI: 00:1c.0 scanning...

  824 00:27:27.319766  do_pci_scan_bridge for PCI: 00:1c.0

  825 00:27:27.320205  PCI: pci_scan_bus for bus 01

  826 00:27:27.322525  PCI: 01:00.0 [8086/095a] enabled

  827 00:27:27.326593  Capability: type 0x01 @ 0xc8

  828 00:27:27.329475  Capability: type 0x05 @ 0xd0

  829 00:27:27.332675  Capability: type 0x10 @ 0x40

  830 00:27:27.335829  Capability: type 0x10 @ 0x40

  831 00:27:27.339460  Enabling Common Clock Configuration

  832 00:27:27.342843  L1 Sub-State supported from root port 28

  833 00:27:27.346021  L1 Sub-State Support = 0xf

  834 00:27:27.348858  CommonModeRestoreTime = 0x28

  835 00:27:27.352392  Power On Value = 0x1e, Power On Scale = 0x0

  836 00:27:27.355849  ASPM: Enabled L1

  837 00:27:27.358968  Capability: type 0x01 @ 0xc8

  838 00:27:27.362647  Capability: type 0x05 @ 0xd0

  839 00:27:27.366062  Capability: type 0x10 @ 0x40

  840 00:27:27.369175  scan_bus: scanning of bus PCI: 00:1c.0 took 53521 usecs

  841 00:27:27.372402  PCI: 00:1e.2 scanning...

  842 00:27:27.375578  scan_generic_bus for PCI: 00:1e.2

  843 00:27:27.378983  bus: PCI: 00:1e.2[0]->SPI: 00 enabled

  844 00:27:27.385350  scan_generic_bus for PCI: 00:1e.2 done

  845 00:27:27.388860  scan_bus: scanning of bus PCI: 00:1e.2 took 13862 usecs

  846 00:27:27.391862  PCI: 00:1f.0 scanning...

  847 00:27:27.395183  scan_lpc_bus for PCI: 00:1f.0

  848 00:27:27.398854  PNP: 0c09.0 enabled

  849 00:27:27.401994  scan_lpc_bus for PCI: 00:1f.0 done

  850 00:27:27.405094  scan_bus: scanning of bus PCI: 00:1f.0 took 11311 usecs

  851 00:27:27.408284  PCI: 00:1f.2 scanning...

  852 00:27:27.411751  scan_lpc_bus for PCI: 00:1f.2

  853 00:27:27.415180  scan_lpc_bus for PCI: 00:1f.2 done

  854 00:27:27.422263  scan_bus: scanning of bus PCI: 00:1f.2 took 9267 usecs

  855 00:27:27.425419  PCI: 00:1f.3 scanning...

  856 00:27:27.428608  scan_bus: scanning of bus PCI: 00:1f.3 took 2718 usecs

  857 00:27:27.431812  PCI: 00:1f.4 scanning...

  858 00:27:27.435478  scan_generic_bus for PCI: 00:1f.4

  859 00:27:27.438392  scan_generic_bus for PCI: 00:1f.4 done

  860 00:27:27.444987  scan_bus: scanning of bus PCI: 00:1f.4 took 10048 usecs

  861 00:27:27.447865  PCI: 00:1f.5 scanning...

  862 00:27:27.451317  scan_generic_bus for PCI: 00:1f.5

  863 00:27:27.455056  scan_generic_bus for PCI: 00:1f.5 done

  864 00:27:27.461314  scan_bus: scanning of bus PCI: 00:1f.5 took 10044 usecs

  865 00:27:27.464729  scan_bus: scanning of bus DOMAIN: 0000 took 466067 usecs

  866 00:27:27.471407  root_dev_scan_bus for Root Device done

  867 00:27:27.474726  scan_bus: scanning of bus Root Device took 486168 usecs

  868 00:27:27.474853  done

  869 00:27:27.478630  Chrome EC: UHEPI supported

  870 00:27:27.485238  FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes)

  871 00:27:27.491927  MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'.

  872 00:27:27.498237  SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000

  873 00:27:27.506273  FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes)

  874 00:27:27.509627  SPI flash protection: WPSW=0 SRP0=0

  875 00:27:27.516531  MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'.

  876 00:27:27.523032  BS: BS_DEV_ENUMERATE times (us): entry 0 run 825962 exit 39205

  877 00:27:27.523499  found VGA at PCI: 00:02.0

  878 00:27:27.526081  Setting up VGA for PCI: 00:02.0

  879 00:27:27.533079  Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000

  880 00:27:27.536196  Setting PCI_BRIDGE_CTL_VGA for bridge Root Device

  881 00:27:27.539685  Allocating resources...

  882 00:27:27.542798  Reading resources...

  883 00:27:27.546776  Root Device read_resources bus 0 link: 0

  884 00:27:27.549896  CPU_CLUSTER: 0 read_resources bus 0 link: 0

  885 00:27:27.555780  CPU_CLUSTER: 0 read_resources bus 0 link: 0 done

  886 00:27:27.559030  DOMAIN: 0000 read_resources bus 0 link: 0

  887 00:27:27.566092  PCI: 00:14.0 read_resources bus 0 link: 0

  888 00:27:27.569328  USB0 port 0 read_resources bus 0 link: 0

  889 00:27:27.576408  USB0 port 0 read_resources bus 0 link: 0 done

  890 00:27:27.579156  PCI: 00:14.0 read_resources bus 0 link: 0 done

  891 00:27:27.586338  PCI: 00:15.0 read_resources bus 1 link: 0

  892 00:27:27.589500  PCI: 00:15.0 read_resources bus 1 link: 0 done

  893 00:27:27.593058  PCI: 00:15.1 read_resources bus 2 link: 0

  894 00:27:27.600017  PCI: 00:15.1 read_resources bus 2 link: 0 done

  895 00:27:27.602994  PCI: 00:19.1 read_resources bus 3 link: 0

  896 00:27:27.609733  PCI: 00:19.1 read_resources bus 3 link: 0 done

  897 00:27:27.612952  PCI: 00:1c.0 read_resources bus 1 link: 0

  898 00:27:27.619990  PCI: 00:1c.0 read_resources bus 1 link: 0 done

  899 00:27:27.622777  PCI: 00:1e.2 read_resources bus 4 link: 0

  900 00:27:27.629739  PCI: 00:1e.2 read_resources bus 4 link: 0 done

  901 00:27:27.632873  PCI: 00:1f.0 read_resources bus 0 link: 0

  902 00:27:27.639700  PCI: 00:1f.0 read_resources bus 0 link: 0 done

  903 00:27:27.642795  DOMAIN: 0000 read_resources bus 0 link: 0 done

  904 00:27:27.650146  Root Device read_resources bus 0 link: 0 done

  905 00:27:27.653060  Done reading resources.

  906 00:27:27.656440  Show resources in subtree (Root Device)...After reading.

  907 00:27:27.662967   Root Device child on link 0 CPU_CLUSTER: 0

  908 00:27:27.666362    CPU_CLUSTER: 0 child on link 0 APIC: 00

  909 00:27:27.666799     APIC: 00

  910 00:27:27.669692     APIC: 01

  911 00:27:27.670126     APIC: 03

  912 00:27:27.670471     APIC: 02

  913 00:27:27.676462    DOMAIN: 0000 child on link 0 PCI: 00:00.0

  914 00:27:27.686272    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000

  915 00:27:27.692396    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100

  916 00:27:27.695961     PCI: 00:00.0

  917 00:27:27.705892     PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0

  918 00:27:27.715872     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

  919 00:27:27.722317     PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2

  920 00:27:27.732364     PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3

  921 00:27:27.742261     PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4

  922 00:27:27.752299     PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5

  923 00:27:27.762114     PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6

  924 00:27:27.771583     PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7

  925 00:27:27.779190     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8

  926 00:27:27.788646     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9

  927 00:27:27.798507     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

  928 00:27:27.808829     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c

  929 00:27:27.818492     PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d

  930 00:27:27.828030     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e

  931 00:27:27.834596     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f

  932 00:27:27.838170     PCI: 00:02.0

  933 00:27:27.847917     PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10

  934 00:27:27.857923     PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18

  935 00:27:27.867905     PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20

  936 00:27:27.868380     PCI: 00:04.0

  937 00:27:27.878556     PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10

  938 00:27:27.881040     PCI: 00:08.0

  939 00:27:27.891124     PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  940 00:27:27.894210     PCI: 00:14.0 child on link 0 USB0 port 0

  941 00:27:27.904250     PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10

  942 00:27:27.907991      USB0 port 0 child on link 0 USB2 port 0

  943 00:27:27.910842       USB2 port 0

  944 00:27:27.911269       USB2 port 1

  945 00:27:27.914139       USB2 port 2

  946 00:27:27.914566       USB2 port 4

  947 00:27:27.917204       USB2 port 8

  948 00:27:27.917628     PCI: 00:14.1

  949 00:27:27.920542     PCI: 00:14.2

  950 00:27:27.930911     PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  951 00:27:27.933837     PCI: 00:15.0 child on link 0 I2C: 01:5c

  952 00:27:27.944044     PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  953 00:27:27.947138      I2C: 01:5c

  954 00:27:27.950721     PCI: 00:15.1 child on link 0 I2C: 02:15

  955 00:27:27.960651     PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  956 00:27:27.963626      I2C: 02:15

  957 00:27:27.964083     PCI: 00:15.2

  958 00:27:27.967006     PCI: 00:15.3

  959 00:27:27.967443     PCI: 00:16.0

  960 00:27:27.977206     PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  961 00:27:27.980489     PCI: 00:16.1

  962 00:27:27.980957     PCI: 00:16.2

  963 00:27:27.983609     PCI: 00:16.3

  964 00:27:27.984078     PCI: 00:16.4

  965 00:27:27.986769     PCI: 00:17.0

  966 00:27:27.987208     PCI: 00:19.0

  967 00:27:27.996668     PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10

  968 00:27:28.006583     PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  969 00:27:28.013491     PCI: 00:19.1 child on link 0 I2C: 03:39

  970 00:27:28.022995     PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  971 00:27:28.023541      I2C: 03:39

  972 00:27:28.026671      I2C: 03:3a

  973 00:27:28.027094      I2C: 03:1a

  974 00:27:28.030128     PCI: 00:19.2

  975 00:27:28.033579     PCI: 00:1c.0 child on link 0 PCI: 01:00.0

  976 00:27:28.043410     PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c

  977 00:27:28.053237     PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24

  978 00:27:28.059706     PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20

  979 00:27:28.063182      PCI: 01:00.0

  980 00:27:28.073024      PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10

  981 00:27:28.073571     PCI: 00:1c.1

  982 00:27:28.075988     PCI: 00:1c.2

  983 00:27:28.076372     PCI: 00:1c.3

  984 00:27:28.079281     PCI: 00:1c.4

  985 00:27:28.079759     PCI: 00:1c.5

  986 00:27:28.082784     PCI: 00:1c.6

  987 00:27:28.083210     PCI: 00:1c.7

  988 00:27:28.085962     PCI: 00:1d.0

  989 00:27:28.086450     PCI: 00:1d.1

  990 00:27:28.089586     PCI: 00:1d.2

  991 00:27:28.090013     PCI: 00:1d.3

  992 00:27:28.092754     PCI: 00:1e.0

  993 00:27:28.102551     PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  994 00:27:28.102984     PCI: 00:1e.1

  995 00:27:28.109664     PCI: 00:1e.2 child on link 0 SPI: 00

  996 00:27:28.119135     PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  997 00:27:28.119599      SPI: 00

  998 00:27:28.120004     PCI: 00:1e.3

  999 00:27:28.122491     PCI: 00:1e.4

 1000 00:27:28.132504     PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

 1001 00:27:28.133002     PCI: 00:1e.5

 1002 00:27:28.135554     PCI: 00:1e.6

 1003 00:27:28.145875     PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

 1004 00:27:28.148975     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

 1005 00:27:28.159105     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

 1006 00:27:28.159542      PNP: 0c09.0

 1007 00:27:28.169201      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1008 00:27:28.169636     PCI: 00:1f.1

 1009 00:27:28.171975     PCI: 00:1f.2

 1010 00:27:28.182013     PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10

 1011 00:27:28.192191     PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48

 1012 00:27:28.198696     PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40

 1013 00:27:28.201807     PCI: 00:1f.3

 1014 00:27:28.212240     PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10

 1015 00:27:28.221550     PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20

 1016 00:27:28.221988     PCI: 00:1f.4

 1017 00:27:28.231502     PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20

 1018 00:27:28.241586     PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10

 1019 00:27:28.245204     PCI: 00:1f.5

 1020 00:27:28.250885     PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10

 1021 00:27:28.254348     PCI: 00:1f.6

 1022 00:27:28.261369  DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff

 1023 00:27:28.267545  PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff

 1024 00:27:28.274395  PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done

 1025 00:27:28.277598  PCI: 00:02.0 20 *  [0x0 - 0x3f] io

 1026 00:27:28.284347  DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done

 1027 00:27:28.290734  DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff

 1028 00:27:28.297293  PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff

 1029 00:27:28.307191  PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done

 1030 00:27:28.314150  PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff

 1031 00:27:28.363708  PCI: 01:00.0 10 *  [0x0 - 0x1fff] mem

 1032 00:27:28.364119  PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done

 1033 00:27:28.364428  PCI: 00:02.0 18 *  [0x0 - 0xfffffff] prefmem

 1034 00:27:28.364728  PCI: 00:02.0 10 *  [0x10000000 - 0x10ffffff] mem

 1035 00:27:28.364827  PCI: 00:1c.0 20 *  [0x11000000 - 0x110fffff] mem

 1036 00:27:28.364934  PCI: 00:14.0 10 *  [0x11100000 - 0x1110ffff] mem

 1037 00:27:28.365041  PCI: 00:1f.3 20 *  [0x11110000 - 0x1111ffff] mem

 1038 00:27:28.365146  PCI: 00:04.0 10 *  [0x11120000 - 0x11127fff] mem

 1039 00:27:28.365235  PCI: 00:1f.2 10 *  [0x11128000 - 0x1112bfff] mem

 1040 00:27:28.365336  PCI: 00:1f.3 10 *  [0x1112c000 - 0x1112ffff] mem

 1041 00:27:28.413565  PCI: 00:08.0 10 *  [0x11130000 - 0x11130fff] mem

 1042 00:27:28.414330  PCI: 00:14.2 10 *  [0x11131000 - 0x11131fff] mem

 1043 00:27:28.414692  PCI: 00:15.0 10 *  [0x11132000 - 0x11132fff] mem

 1044 00:27:28.415019  PCI: 00:15.1 10 *  [0x11133000 - 0x11133fff] mem

 1045 00:27:28.415389  PCI: 00:16.0 10 *  [0x11134000 - 0x11134fff] mem

 1046 00:27:28.415780  PCI: 00:19.0 18 *  [0x11135000 - 0x11135fff] mem

 1047 00:27:28.416101  PCI: 00:19.1 10 *  [0x11136000 - 0x11136fff] mem

 1048 00:27:28.416392  PCI: 00:1e.0 10 *  [0x11137000 - 0x11137fff] mem

 1049 00:27:28.416681  PCI: 00:1e.2 10 *  [0x11138000 - 0x11138fff] mem

 1050 00:27:28.417029  PCI: 00:1e.4 10 *  [0x11139000 - 0x11139fff] mem

 1051 00:27:28.418625  PCI: 00:1e.6 10 *  [0x1113a000 - 0x1113afff] mem

 1052 00:27:28.422025  PCI: 00:1f.5 10 *  [0x1113b000 - 0x1113bfff] mem

 1053 00:27:28.428740  PCI: 00:1f.4 10 *  [0x1113c000 - 0x1113c0ff] mem

 1054 00:27:28.435634  DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done

 1055 00:27:28.438733  avoid_fixed_resources: DOMAIN: 0000

 1056 00:27:28.445119  avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff

 1057 00:27:28.451808  avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff

 1058 00:27:28.458589  constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed)

 1059 00:27:28.468104  constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed)

 1060 00:27:28.474950  constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed)

 1061 00:27:28.481410  constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed)

 1062 00:27:28.491327  constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed)

 1063 00:27:28.497793  constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed)

 1064 00:27:28.504570  constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed)

 1065 00:27:28.511444  constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed)

 1066 00:27:28.520801  avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f

 1067 00:27:28.528290  avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff

 1068 00:27:28.528752  Setting resources...

 1069 00:27:28.534329  DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f

 1070 00:27:28.537856  PCI: 00:02.0 20 *  [0x1c00 - 0x1c3f] io

 1071 00:27:28.544179  DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done

 1072 00:27:28.551202  PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f

 1073 00:27:28.557336  PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done

 1074 00:27:28.564077  DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff

 1075 00:27:28.570902  PCI: 00:02.0 18 *  [0xc0000000 - 0xcfffffff] prefmem

 1076 00:27:28.577389  PCI: 00:02.0 10 *  [0xd0000000 - 0xd0ffffff] mem

 1077 00:27:28.580749  PCI: 00:1c.0 20 *  [0xd1000000 - 0xd10fffff] mem

 1078 00:27:28.583832  PCI: 00:14.0 10 *  [0xd1100000 - 0xd110ffff] mem

 1079 00:27:28.590818  PCI: 00:1f.3 20 *  [0xd1110000 - 0xd111ffff] mem

 1080 00:27:28.593777  PCI: 00:04.0 10 *  [0xd1120000 - 0xd1127fff] mem

 1081 00:27:28.600215  PCI: 00:1f.2 10 *  [0xd1128000 - 0xd112bfff] mem

 1082 00:27:28.603929  PCI: 00:1f.3 10 *  [0xd112c000 - 0xd112ffff] mem

 1083 00:27:28.610347  PCI: 00:08.0 10 *  [0xd1130000 - 0xd1130fff] mem

 1084 00:27:28.614114  PCI: 00:14.2 10 *  [0xd1131000 - 0xd1131fff] mem

 1085 00:27:28.620172  PCI: 00:15.0 10 *  [0xd1132000 - 0xd1132fff] mem

 1086 00:27:28.623367  PCI: 00:15.1 10 *  [0xd1133000 - 0xd1133fff] mem

 1087 00:27:28.630687  PCI: 00:16.0 10 *  [0xd1134000 - 0xd1134fff] mem

 1088 00:27:28.633312  PCI: 00:19.0 18 *  [0xd1135000 - 0xd1135fff] mem

 1089 00:27:28.640033  PCI: 00:19.1 10 *  [0xd1136000 - 0xd1136fff] mem

 1090 00:27:28.643455  PCI: 00:1e.0 10 *  [0xd1137000 - 0xd1137fff] mem

 1091 00:27:28.649917  PCI: 00:1e.2 10 *  [0xd1138000 - 0xd1138fff] mem

 1092 00:27:28.653576  PCI: 00:1e.4 10 *  [0xd1139000 - 0xd1139fff] mem

 1093 00:27:28.660067  PCI: 00:1e.6 10 *  [0xd113a000 - 0xd113afff] mem

 1094 00:27:28.663591  PCI: 00:1f.5 10 *  [0xd113b000 - 0xd113bfff] mem

 1095 00:27:28.669688  PCI: 00:1f.4 10 *  [0xd113c000 - 0xd113c0ff] mem

 1096 00:27:28.676600  DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done

 1097 00:27:28.683247  PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff

 1098 00:27:28.689582  PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done

 1099 00:27:28.696861  PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff

 1100 00:27:28.703030  PCI: 01:00.0 10 *  [0xd1000000 - 0xd1001fff] mem

 1101 00:27:28.709537  PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done

 1102 00:27:28.716140  Root Device assign_resources, bus 0 link: 0

 1103 00:27:28.719617  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1104 00:27:28.726366  PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64

 1105 00:27:28.735585  PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64

 1106 00:27:28.742657  PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io

 1107 00:27:28.752930  PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64

 1108 00:27:28.758807  PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64

 1109 00:27:28.768787  PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64

 1110 00:27:28.772390  PCI: 00:14.0 assign_resources, bus 0 link: 0

 1111 00:27:28.775255  PCI: 00:14.0 assign_resources, bus 0 link: 0

 1112 00:27:28.785660  PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64

 1113 00:27:28.792067  PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64

 1114 00:27:28.798007  PCI: 00:15.0 assign_resources, bus 1 link: 0

 1115 00:27:28.801607  PCI: 00:15.0 assign_resources, bus 1 link: 0

 1116 00:27:28.811470  PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64

 1117 00:27:28.814591  PCI: 00:15.1 assign_resources, bus 2 link: 0

 1118 00:27:28.818513  PCI: 00:15.1 assign_resources, bus 2 link: 0

 1119 00:27:28.828261  PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64

 1120 00:27:28.834589  PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64

 1121 00:27:28.844486  PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64

 1122 00:27:28.847659  PCI: 00:19.1 assign_resources, bus 3 link: 0

 1123 00:27:28.854852  PCI: 00:19.1 assign_resources, bus 3 link: 0

 1124 00:27:28.861463  PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io

 1125 00:27:28.871498  PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem

 1126 00:27:28.877943  PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem

 1127 00:27:28.884607  PCI: 00:1c.0 assign_resources, bus 1 link: 0

 1128 00:27:28.891022  PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64

 1129 00:27:28.897953  PCI: 00:1c.0 assign_resources, bus 1 link: 0

 1130 00:27:28.904389  PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64

 1131 00:27:28.914344  PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64

 1132 00:27:28.917096  PCI: 00:1e.2 assign_resources, bus 4 link: 0

 1133 00:27:28.921162  PCI: 00:1e.2 assign_resources, bus 4 link: 0

 1134 00:27:28.930990  PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64

 1135 00:27:28.937272  PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64

 1136 00:27:28.944051  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1137 00:27:28.947095  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1138 00:27:28.953884  LPC: Trying to open IO window from 800 size 1ff

 1139 00:27:28.960170  PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem

 1140 00:27:28.970094  PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64

 1141 00:27:28.976830  PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64

 1142 00:27:28.986328  PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64

 1143 00:27:28.992865  PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem

 1144 00:27:28.996670  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1145 00:27:29.002905  Root Device assign_resources, bus 0 link: 0

 1146 00:27:29.003436  Done setting resources.

 1147 00:27:29.009627  Show resources in subtree (Root Device)...After assigning values.

 1148 00:27:29.016213   Root Device child on link 0 CPU_CLUSTER: 0

 1149 00:27:29.019412    CPU_CLUSTER: 0 child on link 0 APIC: 00

 1150 00:27:29.019915     APIC: 00

 1151 00:27:29.022900     APIC: 01

 1152 00:27:29.023323     APIC: 03

 1153 00:27:29.026340     APIC: 02

 1154 00:27:29.029750    DOMAIN: 0000 child on link 0 PCI: 00:00.0

 1155 00:27:29.039723    DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000

 1156 00:27:29.049503    DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100

 1157 00:27:29.052880     PCI: 00:00.0

 1158 00:27:29.062978     PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0

 1159 00:27:29.069380     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

 1160 00:27:29.078968     PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2

 1161 00:27:29.088832     PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3

 1162 00:27:29.098946     PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4

 1163 00:27:29.108600     PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5

 1164 00:27:29.118791     PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6

 1165 00:27:29.125019     PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7

 1166 00:27:29.134751     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8

 1167 00:27:29.145261     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9

 1168 00:27:29.154907     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

 1169 00:27:29.164926     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c

 1170 00:27:29.174752     PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d

 1171 00:27:29.181214     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e

 1172 00:27:29.190999     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f

 1173 00:27:29.194667     PCI: 00:02.0

 1174 00:27:29.204796     PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10

 1175 00:27:29.214748     PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18

 1176 00:27:29.224178     PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20

 1177 00:27:29.224717     PCI: 00:04.0

 1178 00:27:29.237327     PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10

 1179 00:27:29.237754     PCI: 00:08.0

 1180 00:27:29.247246     PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10

 1181 00:27:29.253563     PCI: 00:14.0 child on link 0 USB0 port 0

 1182 00:27:29.263280     PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10

 1183 00:27:29.266984      USB0 port 0 child on link 0 USB2 port 0

 1184 00:27:29.270167       USB2 port 0

 1185 00:27:29.270735       USB2 port 1

 1186 00:27:29.273656       USB2 port 2

 1187 00:27:29.274079       USB2 port 4

 1188 00:27:29.277071       USB2 port 8

 1189 00:27:29.277536     PCI: 00:14.1

 1190 00:27:29.280158     PCI: 00:14.2

 1191 00:27:29.290391     PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10

 1192 00:27:29.293470     PCI: 00:15.0 child on link 0 I2C: 01:5c

 1193 00:27:29.302817     PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10

 1194 00:27:29.306306      I2C: 01:5c

 1195 00:27:29.309697     PCI: 00:15.1 child on link 0 I2C: 02:15

 1196 00:27:29.319383     PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10

 1197 00:27:29.322798      I2C: 02:15

 1198 00:27:29.323360     PCI: 00:15.2

 1199 00:27:29.326570     PCI: 00:15.3

 1200 00:27:29.327133     PCI: 00:16.0

 1201 00:27:29.335714     PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10

 1202 00:27:29.339543     PCI: 00:16.1

 1203 00:27:29.340051     PCI: 00:16.2

 1204 00:27:29.342558     PCI: 00:16.3

 1205 00:27:29.343126     PCI: 00:16.4

 1206 00:27:29.346146     PCI: 00:17.0

 1207 00:27:29.346574     PCI: 00:19.0

 1208 00:27:29.359406     PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10

 1209 00:27:29.369226     PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18

 1210 00:27:29.372327     PCI: 00:19.1 child on link 0 I2C: 03:39

 1211 00:27:29.382292     PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10

 1212 00:27:29.386177      I2C: 03:39

 1213 00:27:29.386602      I2C: 03:3a

 1214 00:27:29.386938      I2C: 03:1a

 1215 00:27:29.388845     PCI: 00:19.2

 1216 00:27:29.392767     PCI: 00:1c.0 child on link 0 PCI: 01:00.0

 1217 00:27:29.402189     PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c

 1218 00:27:29.411757     PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24

 1219 00:27:29.421941     PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20

 1220 00:27:29.425312      PCI: 01:00.0

 1221 00:27:29.435147      PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10

 1222 00:27:29.438212     PCI: 00:1c.1

 1223 00:27:29.438640     PCI: 00:1c.2

 1224 00:27:29.441407     PCI: 00:1c.3

 1225 00:27:29.441834     PCI: 00:1c.4

 1226 00:27:29.445584     PCI: 00:1c.5

 1227 00:27:29.446022     PCI: 00:1c.6

 1228 00:27:29.448161     PCI: 00:1c.7

 1229 00:27:29.448588     PCI: 00:1d.0

 1230 00:27:29.451353     PCI: 00:1d.1

 1231 00:27:29.451820     PCI: 00:1d.2

 1232 00:27:29.454987     PCI: 00:1d.3

 1233 00:27:29.455412     PCI: 00:1e.0

 1234 00:27:29.465002     PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10

 1235 00:27:29.468090     PCI: 00:1e.1

 1236 00:27:29.471246     PCI: 00:1e.2 child on link 0 SPI: 00

 1237 00:27:29.481179     PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10

 1238 00:27:29.481608      SPI: 00

 1239 00:27:29.484893     PCI: 00:1e.3

 1240 00:27:29.485356     PCI: 00:1e.4

 1241 00:27:29.497775     PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10

 1242 00:27:29.498236     PCI: 00:1e.5

 1243 00:27:29.501001     PCI: 00:1e.6

 1244 00:27:29.511238     PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10

 1245 00:27:29.514497     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

 1246 00:27:29.525207     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

 1247 00:27:29.525775      PNP: 0c09.0

 1248 00:27:29.534326      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1249 00:27:29.534782     PCI: 00:1f.1

 1250 00:27:29.537623     PCI: 00:1f.2

 1251 00:27:29.547364     PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10

 1252 00:27:29.557385     PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48

 1253 00:27:29.563972     PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40

 1254 00:27:29.567229     PCI: 00:1f.3

 1255 00:27:29.576912     PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10

 1256 00:27:29.586948     PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20

 1257 00:27:29.590453     PCI: 00:1f.4

 1258 00:27:29.600155     PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20

 1259 00:27:29.610011     PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10

 1260 00:27:29.610539     PCI: 00:1f.5

 1261 00:27:29.620147     PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10

 1262 00:27:29.623193     PCI: 00:1f.6

 1263 00:27:29.626391  Done allocating resources.

 1264 00:27:29.629594  BS: BS_DEV_RESOURCES times (us): entry 0 run 2113885 exit 31

 1265 00:27:29.633091  Enabling resources...

 1266 00:27:29.636511  PCI: 00:00.0 subsystem <- 8086/590c

 1267 00:27:29.639738  PCI: 00:00.0 cmd <- 06

 1268 00:27:29.643374  PCI: 00:02.0 subsystem <- 8086/591c

 1269 00:27:29.646209  PCI: 00:02.0 cmd <- 03

 1270 00:27:29.649570  PCI: 00:04.0 cmd <- 02

 1271 00:27:29.653006  PCI: 00:08.0 cmd <- 06

 1272 00:27:29.656347  PCI: 00:14.0 subsystem <- 8086/9d2f

 1273 00:27:29.656820  PCI: 00:14.0 cmd <- 02

 1274 00:27:29.662530  PCI: 00:14.2 subsystem <- 8086/9d31

 1275 00:27:29.663139  PCI: 00:14.2 cmd <- 02

 1276 00:27:29.665896  PCI: 00:15.0 subsystem <- 8086/9d60

 1277 00:27:29.669830  PCI: 00:15.0 cmd <- 06

 1278 00:27:29.673065  PCI: 00:15.1 subsystem <- 8086/9d61

 1279 00:27:29.676020  PCI: 00:15.1 cmd <- 06

 1280 00:27:29.679411  PCI: 00:16.0 subsystem <- 8086/9d3a

 1281 00:27:29.682554  PCI: 00:16.0 cmd <- 02

 1282 00:27:29.685829  PCI: 00:19.0 subsystem <- 8086/9d66

 1283 00:27:29.688904  PCI: 00:19.0 cmd <- 06

 1284 00:27:29.692325  PCI: 00:19.1 subsystem <- 8086/9d65

 1285 00:27:29.692821  PCI: 00:19.1 cmd <- 06

 1286 00:27:29.696139  PCI: 00:1c.0 bridge ctrl <- 0003

 1287 00:27:29.702347  PCI: 00:1c.0 subsystem <- 8086/9d10

 1288 00:27:29.702787  PCI: 00:1c.0 cmd <- 06

 1289 00:27:29.705855  PCI: 00:1e.0 subsystem <- 8086/9d27

 1290 00:27:29.709052  PCI: 00:1e.0 cmd <- 06

 1291 00:27:29.712467  PCI: 00:1e.2 subsystem <- 8086/9d29

 1292 00:27:29.715419  PCI: 00:1e.2 cmd <- 06

 1293 00:27:29.718874  PCI: 00:1e.4 subsystem <- 8086/9d2b

 1294 00:27:29.722293  PCI: 00:1e.4 cmd <- 06

 1295 00:27:29.725704  PCI: 00:1e.6 subsystem <- 8086/9d2d

 1296 00:27:29.729199  PCI: 00:1e.6 cmd <- 06

 1297 00:27:29.732545  PCI: 00:1f.0 subsystem <- 8086/9d4b

 1298 00:27:29.735785  PCI: 00:1f.0 cmd <- 407

 1299 00:27:29.738943  PCI: 00:1f.2 subsystem <- 8086/9d21

 1300 00:27:29.739385  PCI: 00:1f.2 cmd <- 02

 1301 00:27:29.745890  PCI: 00:1f.3 subsystem <- 8086/9d71

 1302 00:27:29.746317  PCI: 00:1f.3 cmd <- 02

 1303 00:27:29.749021  PCI: 00:1f.4 subsystem <- 8086/9d23

 1304 00:27:29.751839  PCI: 00:1f.4 cmd <- 03

 1305 00:27:29.755607  PCI: 00:1f.5 subsystem <- 8086/9d24

 1306 00:27:29.758774  PCI: 00:1f.5 cmd <- 406

 1307 00:27:29.766588  PCI: 01:00.0 subsystem <- 8086/095a

 1308 00:27:29.767017  PCI: 01:00.0 cmd <- 02

 1309 00:27:29.771109  done.

 1310 00:27:29.788026  ME: Version : 11.8.50.3470

 1311 00:27:29.794868  BS: BS_DEV_ENABLE times (us): entry 233 run 139304 exit 19239

 1312 00:27:29.798023  Initializing devices...

 1313 00:27:29.801437  Root Device init ...

 1314 00:27:29.805074  Chrome EC: Set SMI mask to 0x0000000000000001

 1315 00:27:29.812058  Chrome EC: Set S5 LAZY WAKE mask to 0x0000000000000006

 1316 00:27:29.818910  Chrome EC: Set S3 LAZY WAKE mask to 0x0000000010001006

 1317 00:27:29.821875  Chrome EC: Set S0iX LAZY WAKE mask to 0x0000000010001006

 1318 00:27:29.828515  Chrome EC: Set WAKE mask to 0x0000000000000000

 1319 00:27:29.831677  Root Device init finished in 30850 usecs

 1320 00:27:29.835512  CPU_CLUSTER: 0 init ...

 1321 00:27:29.838520  CPU_CLUSTER: 0 init finished in 2444 usecs

 1322 00:27:29.842557  PCI: 00:00.0 init ...

 1323 00:27:29.846779  CPU TDP: 5 Watts

 1324 00:27:29.849252  CPU PL2 = 18 Watts

 1325 00:27:29.853169  PCI: 00:00.0 init finished in 6984 usecs

 1326 00:27:29.855741  PCI: 00:02.0 init ...

 1327 00:27:29.858986  PCI: 00:02.0 init finished in 2250 usecs

 1328 00:27:29.862422  PCI: 00:04.0 init ...

 1329 00:27:29.865782  PCI: 00:04.0 init finished in 2249 usecs

 1330 00:27:29.868789  PCI: 00:08.0 init ...

 1331 00:27:29.872160  PCI: 00:08.0 init finished in 2247 usecs

 1332 00:27:29.875752  PCI: 00:14.0 init ...

 1333 00:27:29.879196  PCI: 00:14.0 init finished in 2248 usecs

 1334 00:27:29.882605  PCI: 00:14.2 init ...

 1335 00:27:29.885483  PCI: 00:14.2 init finished in 2241 usecs

 1336 00:27:29.888729  PCI: 00:15.0 init ...

 1337 00:27:29.891762  DW I2C bus 0 at 0xd1132000 (400 KHz)

 1338 00:27:29.895074  PCI: 00:15.0 init finished in 5968 usecs

 1339 00:27:29.898533  PCI: 00:15.1 init ...

 1340 00:27:29.901873  DW I2C bus 1 at 0xd1133000 (400 KHz)

 1341 00:27:29.905555  PCI: 00:15.1 init finished in 5968 usecs

 1342 00:27:29.908668  PCI: 00:16.0 init ...

 1343 00:27:29.912039  PCI: 00:16.0 init finished in 2249 usecs

 1344 00:27:29.915575  PCI: 00:19.1 init ...

 1345 00:27:29.918961  DW I2C bus 5 at 0xd1136000 (400 KHz)

 1346 00:27:29.925500  PCI: 00:19.1 init finished in 5967 usecs

 1347 00:27:29.925929  PCI: 00:1c.0 init ...

 1348 00:27:29.928853  Initializing PCH PCIe bridge.

 1349 00:27:29.935883  PCI: 00:1c.0 init finished in 5279 usecs

 1350 00:27:29.938993  PCI: 00:1e.4 init ...

 1351 00:27:29.942667  PCI: 00:1e.4 init finished in 2249 usecs

 1352 00:27:29.946585  PCI: 00:1f.0 init ...

 1353 00:27:29.949362  IOAPIC: Initializing IOAPIC at 0xfec00000

 1354 00:27:29.957077  IOAPIC: Bootstrap Processor Local APIC = 0x00

 1355 00:27:29.957505  IOAPIC: ID = 0x02

 1356 00:27:29.959173  IOAPIC: Dumping registers

 1357 00:27:29.962517    reg 0x0000: 0x02000000

 1358 00:27:29.966137    reg 0x0001: 0x00770020

 1359 00:27:29.966566    reg 0x0002: 0x00000000

 1360 00:27:29.972706  PCI: 00:1f.0 init finished in 23481 usecs

 1361 00:27:29.976320  PCI: 00:1f.2 init ...

 1362 00:27:29.976743  RTC Init

 1363 00:27:29.979338  Set power on after power failure.

 1364 00:27:29.982594  Disabling ACPI via APMC:

 1365 00:27:29.986997  done.

 1366 00:27:29.987420  Disabling Deep S3

 1367 00:27:29.990841  Disabling Deep S3

 1368 00:27:29.991361  Enabling Deep S4

 1369 00:27:29.993996  Enabling Deep S4

 1370 00:27:29.994389  Enabling Deep S5

 1371 00:27:29.997652  Enabling Deep S5

 1372 00:27:30.000761  PCI: 00:1f.2 init finished in 23839 usecs

 1373 00:27:30.003733  PCI: 00:1f.4 init ...

 1374 00:27:30.007188  PCI: 00:1f.4 init finished in 2260 usecs

 1375 00:27:30.012038  PCI: 01:00.0 init ...

 1376 00:27:30.015184  PCI: 01:00.0 init finished in 2386 usecs

 1377 00:27:30.019031  PNP: 0c09.0 init ...

 1378 00:27:30.025850  Google Chrome EC: Hello got back 11223344 status (0)

 1379 00:27:30.029519  Google Chrome EC: version:

 1380 00:27:30.032599      ro: rammus_v2.0.387-f0df0fe2e

 1381 00:27:30.035770      rw: rammus_v2.0.425-6e0dd622e

 1382 00:27:30.039067    running image: 1

 1383 00:27:30.042313  EC returned error result code 1

 1384 00:27:30.046560  PNP: 0c09.0 init finished in 24602 usecs

 1385 00:27:30.049171  Devices initialized

 1386 00:27:30.052325  Show all devs... After init.

 1387 00:27:30.052650  Root Device: enabled 1

 1388 00:27:30.056103  CPU_CLUSTER: 0: enabled 1

 1389 00:27:30.058893  DOMAIN: 0000: enabled 1

 1390 00:27:30.059173  APIC: 00: enabled 1

 1391 00:27:30.062550  PCI: 00:00.0: enabled 1

 1392 00:27:30.065642  PCI: 00:02.0: enabled 1

 1393 00:27:30.069058  PCI: 00:14.0: enabled 1

 1394 00:27:30.069352  PCI: 00:14.1: enabled 0

 1395 00:27:30.072690  PCI: 00:14.2: enabled 1

 1396 00:27:30.075777  PCI: 00:15.0: enabled 1

 1397 00:27:30.078617  PCI: 00:15.1: enabled 1

 1398 00:27:30.078883  PCI: 00:15.2: enabled 0

 1399 00:27:30.081957  PCI: 00:15.3: enabled 0

 1400 00:27:30.085939  PCI: 00:16.0: enabled 1

 1401 00:27:30.088711  PCI: 00:16.1: enabled 0

 1402 00:27:30.089026  PCI: 00:16.2: enabled 0

 1403 00:27:30.092427  PCI: 00:16.3: enabled 0

 1404 00:27:30.095559  PCI: 00:16.4: enabled 0

 1405 00:27:30.095932  PCI: 00:17.0: enabled 0

 1406 00:27:30.098587  PCI: 00:19.0: enabled 1

 1407 00:27:30.102219  PCI: 00:19.1: enabled 1

 1408 00:27:30.105434  PCI: 00:19.2: enabled 0

 1409 00:27:30.105752  PCI: 00:1c.0: enabled 1

 1410 00:27:30.108493  PCI: 00:1c.1: enabled 0

 1411 00:27:30.111621  PCI: 00:1c.2: enabled 0

 1412 00:27:30.115012  PCI: 00:1c.3: enabled 0

 1413 00:27:30.115375  PCI: 00:1c.4: enabled 0

 1414 00:27:30.118353  PCI: 00:1c.5: enabled 0

 1415 00:27:30.121885  PCI: 00:1c.6: enabled 0

 1416 00:27:30.125021  PCI: 00:1c.7: enabled 0

 1417 00:27:30.125347  PCI: 00:1d.0: enabled 0

 1418 00:27:30.128132  PCI: 00:1d.1: enabled 0

 1419 00:27:30.131515  PCI: 00:1d.2: enabled 0

 1420 00:27:30.135002  PCI: 00:1d.3: enabled 0

 1421 00:27:30.135449  PCI: 00:1e.0: enabled 1

 1422 00:27:30.137998  PCI: 00:1e.1: enabled 0

 1423 00:27:30.141145  PCI: 00:1e.2: enabled 1

 1424 00:27:30.144472  PCI: 00:1e.3: enabled 0

 1425 00:27:30.144791  PCI: 00:1e.4: enabled 1

 1426 00:27:30.148050  PCI: 00:1e.5: enabled 0

 1427 00:27:30.151548  PCI: 00:1e.6: enabled 1

 1428 00:27:30.151898  PCI: 00:1f.0: enabled 1

 1429 00:27:30.154649  PCI: 00:1f.1: enabled 0

 1430 00:27:30.157667  PCI: 00:1f.2: enabled 1

 1431 00:27:30.161492  PCI: 00:1f.3: enabled 1

 1432 00:27:30.161781  PCI: 00:1f.4: enabled 1

 1433 00:27:30.164431  PCI: 00:1f.5: enabled 1

 1434 00:27:30.168171  PCI: 00:1f.6: enabled 0

 1435 00:27:30.171095  USB0 port 0: enabled 1

 1436 00:27:30.171381  I2C: 01:5c: enabled 1

 1437 00:27:30.174351  I2C: 02:15: enabled 1

 1438 00:27:30.177704  I2C: 03:39: enabled 1

 1439 00:27:30.177990  I2C: 03:3a: enabled 1

 1440 00:27:30.180774  I2C: 03:1a: enabled 1

 1441 00:27:30.184494  PCI: 01:00.0: enabled 1

 1442 00:27:30.184787  SPI: 00: enabled 1

 1443 00:27:30.187718  PNP: 0c09.0: enabled 1

 1444 00:27:30.191375  USB2 port 0: enabled 1

 1445 00:27:30.191817  USB2 port 1: enabled 1

 1446 00:27:30.194510  USB2 port 2: enabled 1

 1447 00:27:30.197494  USB2 port 4: enabled 1

 1448 00:27:30.200471  USB2 port 8: enabled 1

 1449 00:27:30.200760  APIC: 01: enabled 1

 1450 00:27:30.204876  APIC: 03: enabled 1

 1451 00:27:30.205190  APIC: 02: enabled 1

 1452 00:27:30.208018  PCI: 00:04.0: enabled 1

 1453 00:27:30.210539  PCI: 00:08.0: enabled 1

 1454 00:27:30.216975  FMAP: area RW_ELOG found @ 9f0000 (16384 bytes)

 1455 00:27:30.220415  ELOG: NV offset 0x9f0000 size 0x4000

 1456 00:27:30.227218  ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024

 1457 00:27:30.233317  ELOG: Event(17) added with size 13 at 2023-12-14 00:27:30 UTC

 1458 00:27:30.240048  POST: Unexpected post code in previous boot: 0x34

 1459 00:27:30.246873  ELOG: Event(A3) added with size 11 at 2023-12-14 00:27:30 UTC

 1460 00:27:30.253425  ELOG: Event(A6) added with size 13 at 2023-12-14 00:27:30 UTC

 1461 00:27:30.256654  ELOG: Event(92) added with size 9 at 2023-12-14 00:27:30 UTC

 1462 00:27:30.263144  ELOG: Event(9A) added with size 9 at 2023-12-14 00:27:30 UTC

 1463 00:27:30.270050  ELOG: Event(AD) added with size 10 at 2023-12-14 00:27:30 UTC

 1464 00:27:30.276090  ELOG: Event(9F) added with size 14 at 2023-12-14 00:27:30 UTC

 1465 00:27:30.282957  BS: BS_DEV_INIT times (us): entry 0 run 417241 exit 66323

 1466 00:27:30.289469  ELOG: Event(A1) added with size 10 at 2023-12-14 00:27:30 UTC

 1467 00:27:30.296414  elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b

 1468 00:27:30.302739  ELOG: Event(A0) added with size 9 at 2023-12-14 00:27:30 UTC

 1469 00:27:30.309298  elog_add_boot_reason: Logged dev mode boot

 1470 00:27:30.309767  Finalize devices...

 1471 00:27:30.312328  Devices finalized

 1472 00:27:30.315617  FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes)

 1473 00:27:30.322168  BS: BS_POST_DEVICE times (us): entry 25544 run 3959 exit 5196

 1474 00:27:30.329676  BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0

 1475 00:27:30.335276  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1476 00:27:30.338586  CBFS: Locating 'fallback/dsdt.aml'

 1477 00:27:30.341853  CBFS: Found @ offset 19af40 size 4691

 1478 00:27:30.348953  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1479 00:27:30.351903  CBFS: Locating 'fallback/slic'

 1480 00:27:30.356104  CBFS: 'fallback/slic' not found.

 1481 00:27:30.362718  ACPI: Writing ACPI tables at 7aa9a000.

 1482 00:27:30.363170  ACPI:    * FACS

 1483 00:27:30.365662  ACPI:    * DSDT

 1484 00:27:30.369299  Ramoops buffer: 0x100000@0x7a999000.

 1485 00:27:30.372290  SGX: not enabled or not supported. skip gnvs fill

 1486 00:27:30.377670  ACPI:    * FADT

 1487 00:27:30.378153  SCI is IRQ9

 1488 00:27:30.384369  ACPI: added table 1/32, length now 40

 1489 00:27:30.384984  ACPI:     * SSDT

 1490 00:27:30.387594  Found 1 CPU(s) with 4 core(s) each.

 1491 00:27:30.394132  \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c

 1492 00:27:30.397291  \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15

 1493 00:27:30.403754  \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h

 1494 00:27:30.406726  \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah

 1495 00:27:30.417409  \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105

 1496 00:27:30.420411  Error: Could not locate 'wifi_sar' in VPD.

 1497 00:27:30.423395  Error: failed from getting SAR limits!

 1498 00:27:30.430009  \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0

 1499 00:27:30.433446  \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00

 1500 00:27:30.440170  \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0

 1501 00:27:30.446699  \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1

 1502 00:27:30.449640  \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2

 1503 00:27:30.456439  \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4

 1504 00:27:30.459879  \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8

 1505 00:27:30.463246  ACPI: added table 2/32, length now 44

 1506 00:27:30.466269  ACPI:    * MCFG

 1507 00:27:30.469567  ACPI: added table 3/32, length now 48

 1508 00:27:30.472967  ACPI:    * TPM2

 1509 00:27:30.476568  ACPI: added table 4/32, length now 52

 1510 00:27:30.476675  ACPI:    * MADT

 1511 00:27:30.479431  SCI is IRQ9

 1512 00:27:30.482595  ACPI: added table 5/32, length now 56

 1513 00:27:30.482701  current = 7aa9fa60

 1514 00:27:30.489518  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1515 00:27:30.492745  CBFS: Locating 'dmic-4ch-48khz-16b.bin'

 1516 00:27:30.499819  CBFS: Found @ offset 167000 size ba8

 1517 00:27:30.506155  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1518 00:27:30.509359  CBFS: Locating 'dmic-4ch-48khz-32b.bin'

 1519 00:27:30.512574  CBFS: Found @ offset 19f640 size ba8

 1520 00:27:30.518885  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1521 00:27:30.522665  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1522 00:27:30.525880  CBFS: Found @ offset 167cc0 size 64

 1523 00:27:30.532027  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1524 00:27:30.536031  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1525 00:27:30.538991  CBFS: Found @ offset 167cc0 size 64

 1526 00:27:30.545998  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1527 00:27:30.552153  CBFS: Locating 'max98927-render-2ch-48khz-24b.bin'

 1528 00:27:30.555481  CBFS: Found @ offset 167c00 size 64

 1529 00:27:30.562215  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1530 00:27:30.565262  CBFS: Locating 'max98927-render-2ch-48khz-16b.bin'

 1531 00:27:30.568615  CBFS: Found @ offset 103f00 size 64

 1532 00:27:30.575161  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1533 00:27:30.581645  CBFS: Locating 'max98927-render-2ch-48khz-16b.bin'

 1534 00:27:30.585381  CBFS: Found @ offset 103f00 size 64

 1535 00:27:30.585458  ACPI:    * NHLT

 1536 00:27:30.591917  ACPI: added table 6/32, length now 60

 1537 00:27:30.591999  ACPI:    * DMAR

 1538 00:27:30.595211  ACPI: added table 7/32, length now 64

 1539 00:27:30.598775  ACPI: * IGD OpRegion

 1540 00:27:30.601867  GMA: Found VBT in CBFS

 1541 00:27:30.601969  GMA: Found valid VBT in CBFS

 1542 00:27:30.604685  current = 7aaa3610

 1543 00:27:30.608212  ACPI: added table 8/32, length now 68

 1544 00:27:30.611786  ACPI:    * HPET

 1545 00:27:30.614735  ACPI: added table 9/32, length now 72

 1546 00:27:30.614841  ACPI: done.

 1547 00:27:30.618223  ACPI tables: 38592 bytes.

 1548 00:27:30.621464  smbios_write_tables: 7a998000

 1549 00:27:30.625382  Create SMBIOS type 17

 1550 00:27:30.625464  PCI: 01:00.0 (Intel WiFi)

 1551 00:27:30.628192  SMBIOS tables: 662 bytes.

 1552 00:27:30.635012  Writing table forward entry at 0x00000500

 1553 00:27:30.638216  Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532

 1554 00:27:30.642081  Writing coreboot table at 0x7aabe000

 1555 00:27:30.648277   0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES

 1556 00:27:30.654806   1. 0000000000001000-000000000009ffff: RAM

 1557 00:27:30.657887   2. 00000000000a0000-00000000000fffff: RESERVED

 1558 00:27:30.661605   3. 0000000000100000-000000007a997fff: RAM

 1559 00:27:30.667864   4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES

 1560 00:27:30.674115   5. 000000007ab06000-000000007abcffff: RAMSTAGE

 1561 00:27:30.677541   6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES

 1562 00:27:30.684087   7. 000000007b000000-000000007fffffff: RESERVED

 1563 00:27:30.687540   8. 00000000e0000000-00000000e3ffffff: RESERVED

 1564 00:27:30.694170   9. 00000000fe000000-00000000fe00ffff: RESERVED

 1565 00:27:30.698021  10. 00000000fed10000-00000000fed19fff: RESERVED

 1566 00:27:30.704543  11. 00000000fed80000-00000000fed84fff: RESERVED

 1567 00:27:30.707647  12. 00000000fed90000-00000000fed91fff: RESERVED

 1568 00:27:30.710918  13. 0000000100000000-000000017effffff: RAM

 1569 00:27:30.717254  Graphics framebuffer located at 0xc0000000

 1570 00:27:30.720495  Passing 6 GPIOs to payload:

 1571 00:27:30.723553              NAME |       PORT | POLARITY |     VALUE

 1572 00:27:30.730450     write protect |  undefined |     high |       low

 1573 00:27:30.733405          recovery |  undefined |     high |       low

 1574 00:27:30.740492               lid |  undefined |     high |      high

 1575 00:27:30.747016             power |  undefined |     high |       low

 1576 00:27:30.750413             oprom |  undefined |     high |       low

 1577 00:27:30.757201          EC in RW | 0x00000036 |     high |       low

 1578 00:27:30.757344  Board ID: 6

 1579 00:27:30.763397  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1580 00:27:30.770047  Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum d209

 1581 00:27:30.773601  coreboot table: 1468 bytes.

 1582 00:27:30.776673  IMD ROOT    0. 7afff000 00001000

 1583 00:27:30.780116  IMD SMALL   1. 7affe000 00001000

 1584 00:27:30.783083  FSP MEMORY  2. 7abfe000 00400000

 1585 00:27:30.786627  CONSOLE     3. 7abde000 00020000

 1586 00:27:30.789730  TIME STAMP  4. 7abdd000 00000910

 1587 00:27:30.793331  VBOOT       5. 7abdc000 00000c0c

 1588 00:27:30.796499  MRC DATA    6. 7abda000 00001878

 1589 00:27:30.799581  ROMSTG STCK 7. 7abd9000 00000400

 1590 00:27:30.803102  AFTER CAR   8. 7abd0000 00009000

 1591 00:27:30.806165  RAMSTAGE    9. 7ab05000 000cb000

 1592 00:27:30.809340  REFCODE    10. 7aad6000 0002f000

 1593 00:27:30.812664  SMM BACKUP 11. 7aac6000 00010000

 1594 00:27:30.816250  COREBOOT   12. 7aabe000 00008000

 1595 00:27:30.819471  ACPI       13. 7aa9a000 00024000

 1596 00:27:30.822614  ACPI GNVS  14. 7aa99000 00001000

 1597 00:27:30.826354  RAMOOPS    15. 7a999000 00100000

 1598 00:27:30.829527  SMBIOS     16. 7a998000 00000800

 1599 00:27:30.832939  IMD small region:

 1600 00:27:30.836093    IMD ROOT    0. 7affec00 00000400

 1601 00:27:30.839144    FSP RUNTIME 1. 7affebe0 00000004

 1602 00:27:30.842491    VBOOT SEL   2. 7affebc0 00000008

 1603 00:27:30.845785    EC HOSTEVENT 3. 7affeba0 00000008

 1604 00:27:30.849271    POWER STATE 4. 7affeb60 00000040

 1605 00:27:30.852358    ROMSTAGE    5. 7affeb40 00000004

 1606 00:27:30.855633    MEM INFO    6. 7affe980 000001a9

 1607 00:27:30.859029    VPD         7. 7affe920 00000058

 1608 00:27:30.862690    COREBOOTFWD 8. 7affe8e0 00000028

 1609 00:27:30.866574  MTRR: Physical address space:

 1610 00:27:30.872509  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1611 00:27:30.878876  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1612 00:27:30.885731  0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6

 1613 00:27:30.892386  0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0

 1614 00:27:30.899190  0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1

 1615 00:27:30.902130  0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0

 1616 00:27:30.908618  0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6

 1617 00:27:30.915281  MTRR: Fixed MSR 0x250 0x0606060606060606

 1618 00:27:30.918334  MTRR: Fixed MSR 0x258 0x0606060606060606

 1619 00:27:30.921709  MTRR: Fixed MSR 0x259 0x0000000000000000

 1620 00:27:30.924844  MTRR: Fixed MSR 0x268 0x0606060606060606

 1621 00:27:30.928552  MTRR: Fixed MSR 0x269 0x0606060606060606

 1622 00:27:30.935075  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1623 00:27:30.938742  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1624 00:27:30.941879  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1625 00:27:30.945107  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1626 00:27:30.951909  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1627 00:27:30.954855  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1628 00:27:30.957833  call enable_fixed_mtrr()

 1629 00:27:30.961714  CPU physical address size: 39 bits

 1630 00:27:30.968593  MTRR: default type WB/UC MTRR counts: 6/5.

 1631 00:27:30.971304  MTRR: UC selected as default type.

 1632 00:27:30.974769  MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6

 1633 00:27:30.981619  MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0

 1634 00:27:30.987659  MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0

 1635 00:27:30.994783  MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1

 1636 00:27:31.001538  MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6

 1637 00:27:31.004167  

 1638 00:27:31.004311  MTRR check

 1639 00:27:31.007788  Fixed MTRRs   : Enabled

 1640 00:27:31.007928  Variable MTRRs: Enabled

 1641 00:27:31.008049  

 1642 00:27:31.014344  MTRR: Fixed MSR 0x250 0x0606060606060606

 1643 00:27:31.017495  MTRR: Fixed MSR 0x258 0x0606060606060606

 1644 00:27:31.020620  MTRR: Fixed MSR 0x259 0x0000000000000000

 1645 00:27:31.024555  MTRR: Fixed MSR 0x268 0x0606060606060606

 1646 00:27:31.030873  MTRR: Fixed MSR 0x269 0x0606060606060606

 1647 00:27:31.033908  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1648 00:27:31.037165  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1649 00:27:31.040893  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1650 00:27:31.047081  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1651 00:27:31.050917  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1652 00:27:31.054312  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1653 00:27:31.061500  BS: BS_WRITE_TABLES times (us): entry 0 run 537422 exit 146843

 1654 00:27:31.064750  call enable_fixed_mtrr()

 1655 00:27:31.070873  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1656 00:27:31.074281  CPU physical address size: 39 bits

 1657 00:27:31.078287  CBFS: Locating 'fallback/payload'

 1658 00:27:31.081433  MTRR: Fixed MSR 0x250 0x0606060606060606

 1659 00:27:31.084602  MTRR: Fixed MSR 0x258 0x0606060606060606

 1660 00:27:31.090706  MTRR: Fixed MSR 0x259 0x0000000000000000

 1661 00:27:31.094300  MTRR: Fixed MSR 0x268 0x0606060606060606

 1662 00:27:31.097609  MTRR: Fixed MSR 0x269 0x0606060606060606

 1663 00:27:31.100574  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1664 00:27:31.103878  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1665 00:27:31.110738  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1666 00:27:31.114003  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1667 00:27:31.117301  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1668 00:27:31.123820  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1669 00:27:31.126909  MTRR: Fixed MSR 0x250 0x0606060606060606

 1670 00:27:31.130701  MTRR: Fixed MSR 0x258 0x0606060606060606

 1671 00:27:31.133776  MTRR: Fixed MSR 0x259 0x0000000000000000

 1672 00:27:31.140049  MTRR: Fixed MSR 0x268 0x0606060606060606

 1673 00:27:31.143419  MTRR: Fixed MSR 0x269 0x0606060606060606

 1674 00:27:31.147050  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1675 00:27:31.150168  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1676 00:27:31.156531  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1677 00:27:31.160192  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1678 00:27:31.163824  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1679 00:27:31.166524  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1680 00:27:31.170298  call enable_fixed_mtrr()

 1681 00:27:31.173260  call enable_fixed_mtrr()

 1682 00:27:31.176426  CBFS: Found @ offset 223040 size 360b4

 1683 00:27:31.179584  CPU physical address size: 39 bits

 1684 00:27:31.186292  CPU physical address size: 39 bits

 1685 00:27:31.189535  Checking segment from ROM address 0xfff23078

 1686 00:27:31.192647  Checking segment from ROM address 0xfff23094

 1687 00:27:31.199355  Loading segment from ROM address 0xfff23078

 1688 00:27:31.199463    code (compression=0)

 1689 00:27:31.209464    New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c

 1690 00:27:31.219162  Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c

 1691 00:27:31.219247  it's not compressed!

 1692 00:27:31.306347  [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0

 1693 00:27:31.313240  Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834

 1694 00:27:31.319453  Loading segment from ROM address 0xfff23094

 1695 00:27:31.319539    Entry Point 0x30104020

 1696 00:27:31.323060  Loaded segments

 1697 00:27:31.348677  Finalizing chipset.

 1698 00:27:31.355244  ME: Host Firmware Status Register 1 : 0x90000245

 1699 00:27:31.358657  ME: Host Firmware Status Register 2 : 0x6B000306

 1700 00:27:31.364997  ME: Host Firmware Status Register 3 : 0x00000020

 1701 00:27:31.368301  ME: Host Firmware Status Register 4 : 0x00084000

 1702 00:27:31.371350  ME: Host Firmware Status Register 5 : 0x00000000

 1703 00:27:31.378194  ME: Host Firmware Status Register 6 : 0x40000002

 1704 00:27:31.381420  ME: FW Partition Table      : OK

 1705 00:27:31.384670  ME: Bringup Loader Failure  : NO

 1706 00:27:31.388274  ME: Firmware Init Complete  : YES

 1707 00:27:31.391346  ME: Manufacturing Mode      : NO

 1708 00:27:31.394487  ME: Boot Options Present    : NO

 1709 00:27:31.398380  ME: Update In Progress      : NO

 1710 00:27:31.401590  ME: D3 Support              : NO

 1711 00:27:31.404614  ME: D0i3 Support            : YES

 1712 00:27:31.407689  ME: Low Power State Enabled : YES

 1713 00:27:31.411713  ME: CPU Replaced            : NO

 1714 00:27:31.414386  ME: CPU Replacement Valid   : YES

 1715 00:27:31.417814  ME: Current Working State   : Normal

 1716 00:27:31.421536  ME: Current Operation State : M0 with UMA

 1717 00:27:31.427526  ME: Current Operation Mode  : Normal

 1718 00:27:31.431300  ME: Error Code              : No Error

 1719 00:27:31.434377  ME: Progress Phase          : Host Communication

 1720 00:27:31.441262  ME: Power Management Event  : Power cycle reset through Moff

 1721 00:27:31.447968  ME: Progress Phase State    : Host communication established

 1722 00:27:31.451147  ME: Power Down Mitigation   : NO

 1723 00:27:31.454468  ME: FPF status              : fused

 1724 00:27:31.454554  Clearing MCA.

 1725 00:27:31.457715  Finalizing SMM.

 1726 00:27:31.463877  BS: BS_PAYLOAD_LOAD times (us): entry 630 run 262017 exit 135672

 1727 00:27:31.467862  mp_park_aps done after 0 msecs.

 1728 00:27:31.470762  Jumping to boot code at 30104020(7aabe000)

 1729 00:27:31.480507  CPU0: stack: 7ab46000 - 7ab47000, lowest used address 7ab46abc, stack used: 1348 bytes

 1730 00:27:31.480597  

 1731 00:27:31.480666  

 1732 00:27:31.480730  

 1733 00:27:31.483838  Starting depthcharge on rammus...

 1734 00:27:31.483933  

 1735 00:27:31.484292  end: 2.2.3 depthcharge-start (duration 00:00:12) [common]
 1736 00:27:31.484413  start: 2.2.4 bootloader-commands (timeout 00:04:43) [common]
 1737 00:27:31.484507  Setting prompt string to ['rammus:']
 1738 00:27:31.484595  bootloader-commands: Wait for prompt ['rammus:'] (timeout 00:04:43)
 1739 00:27:31.490480  WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime!

 1740 00:27:31.490583  

 1741 00:27:31.500289  WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime!

 1742 00:27:31.500372  

 1743 00:27:31.503580  The GBB signature is at 0x30004020 and is:  24 47 42 42

 1744 00:27:31.506562  

 1745 00:27:31.513561  [firmware-rammus-11275.B-collabora] Dec 11 2020 10:26:21

 1746 00:27:31.513642  

 1747 00:27:31.513707  

 1748 00:27:31.513767  

 1749 00:27:31.514035  Setting prompt string to ['rammus:', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}']
 1751 00:27:31.614387  rammus: tftpboot 192.168.201.1 12264581/tftp-deploy-tddnab59/kernel/bzImage 12264581/tftp-deploy-tddnab59/kernel/cmdline 12264581/tftp-deploy-tddnab59/ramdisk/ramdisk.cpio.gz

 1752 00:27:31.614543  Setting prompt string to ['Starting kernel', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}']
 1753 00:27:31.614633  bootloader-commands: Wait for prompt ['Starting kernel', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}'] (timeout 00:04:43)
 1754 00:27:31.619047  tftpboot 192.168.201.1 12264581/tftp-deploy-tddnab59/kernel/bzImploy-tddnab59/kernel/cmdline 12264581/tftp-deploy-tddnab59/ramdisk/ramdisk.cpio.gz

 1755 00:27:31.619135  

 1756 00:27:31.619201  Waiting for link

 1757 00:27:32.127378  

 1758 00:27:32.127899  R8152: Initializing

 1759 00:27:32.128242  

 1760 00:27:32.130307  Version 9 (ocp_data = 6010)

 1761 00:27:32.130729  

 1762 00:27:32.133854  R8152: Done initializing

 1763 00:27:32.134275  

 1764 00:27:32.137030  Adding net device

 1765 00:27:32.337148  

 1766 00:27:32.337689  done.

 1767 00:27:32.338035  

 1768 00:27:32.338498  MAC: 00:e0:4c:68:0a:98

 1769 00:27:32.339112  

 1770 00:27:32.340157  Sending DHCP discover... done.

 1771 00:27:32.340526  

 1772 00:27:32.343671  Waiting for reply... done.

 1773 00:27:32.344207  

 1774 00:27:32.346835  Sending DHCP request... done.

 1775 00:27:32.347302  

 1776 00:27:32.350060  Waiting for reply... done.

 1777 00:27:32.350526  

 1778 00:27:32.353502  My ip is 192.168.201.18

 1779 00:27:32.354047  

 1780 00:27:32.356897  The DHCP server ip is 192.168.201.1

 1781 00:27:32.357382  

 1782 00:27:32.363093  TFTP server IP predefined by user: 192.168.201.1

 1783 00:27:32.363581  

 1784 00:27:32.369916  Bootfile predefined by user: 12264581/tftp-deploy-tddnab59/kernel/bzImage

 1785 00:27:32.370404  

 1786 00:27:32.373096  Sending tftp read request... done.

 1787 00:27:32.373623  

 1788 00:27:32.381137  Waiting for the transfer... 

 1789 00:27:32.381854  

 1790 00:27:32.716155  00000000 ################################################################

 1791 00:27:32.716294  

 1792 00:27:32.986841  00080000 ################################################################

 1793 00:27:32.986979  

 1794 00:27:33.250739  00100000 ################################################################

 1795 00:27:33.250893  

 1796 00:27:33.522921  00180000 ################################################################

 1797 00:27:33.523058  

 1798 00:27:33.795843  00200000 ################################################################

 1799 00:27:33.795981  

 1800 00:27:34.066393  00280000 ################################################################

 1801 00:27:34.066530  

 1802 00:27:34.339248  00300000 ################################################################

 1803 00:27:34.339387  

 1804 00:27:34.636546  00380000 ################################################################

 1805 00:27:34.636682  

 1806 00:27:34.927969  00400000 ################################################################

 1807 00:27:34.928104  

 1808 00:27:35.223228  00480000 ################################################################

 1809 00:27:35.223362  

 1810 00:27:35.493378  00500000 ################################################################

 1811 00:27:35.493535  

 1812 00:27:35.757686  00580000 ################################################################

 1813 00:27:35.757824  

 1814 00:27:36.020451  00600000 ################################################################

 1815 00:27:36.020586  

 1816 00:27:36.285375  00680000 ################################################################

 1817 00:27:36.285551  

 1818 00:27:36.554201  00700000 ################################################################

 1819 00:27:36.554336  

 1820 00:27:36.821680  00780000 ################################################################

 1821 00:27:36.821815  

 1822 00:27:37.097724  00800000 ################################################################

 1823 00:27:37.097872  

 1824 00:27:37.376961  00880000 ################################################################

 1825 00:27:37.377102  

 1826 00:27:37.641331  00900000 ################################################################

 1827 00:27:37.641471  

 1828 00:27:37.914441  00980000 ################################################################

 1829 00:27:37.914585  

 1830 00:27:38.178412  00a00000 ################################################################

 1831 00:27:38.178558  

 1832 00:27:38.444537  00a80000 ################################################################

 1833 00:27:38.444670  

 1834 00:27:38.700562  00b00000 ################################################################

 1835 00:27:38.700695  

 1836 00:27:38.952923  00b80000 ################################################################

 1837 00:27:38.953074  

 1838 00:27:39.209772  00c00000 ################################################################

 1839 00:27:39.209922  

 1840 00:27:39.461512  00c80000 ################################################################

 1841 00:27:39.461660  

 1842 00:27:39.726851  00d00000 ################################################################

 1843 00:27:39.727000  

 1844 00:27:39.980010  00d80000 ################################################################

 1845 00:27:39.980162  

 1846 00:27:40.231925  00e00000 ################################################################

 1847 00:27:40.232072  

 1848 00:27:40.486323  00e80000 ################################################################

 1849 00:27:40.486472  

 1850 00:27:40.740928  00f00000 ################################################################

 1851 00:27:40.741063  

 1852 00:27:40.997166  00f80000 ################################################################

 1853 00:27:40.997321  

 1854 00:27:41.255002  01000000 ############################################################## done.

 1855 00:27:41.255154  

 1856 00:27:41.258011  The bootfile was 17282976 bytes long.

 1857 00:27:41.258102  

 1858 00:27:41.260979  Sending tftp read request... done.

 1859 00:27:41.261069  

 1860 00:27:41.264267  Waiting for the transfer... 

 1861 00:27:41.264364  

 1862 00:27:41.531900  00000000 ################################################################

 1863 00:27:41.532050  

 1864 00:27:41.787248  00080000 ################################################################

 1865 00:27:41.787390  

 1866 00:27:42.039796  00100000 ################################################################

 1867 00:27:42.039948  

 1868 00:27:42.321889  00180000 ################################################################

 1869 00:27:42.322041  

 1870 00:27:42.575498  00200000 ################################################################

 1871 00:27:42.575660  

 1872 00:27:42.827515  00280000 ################################################################

 1873 00:27:42.827686  

 1874 00:27:43.078878  00300000 ################################################################

 1875 00:27:43.079061  

 1876 00:27:43.356376  00380000 ################################################################

 1877 00:27:43.356527  

 1878 00:27:43.610967  00400000 ################################################################

 1879 00:27:43.611106  

 1880 00:27:43.862159  00480000 ################################################################

 1881 00:27:43.862297  

 1882 00:27:44.122537  00500000 ################################################################

 1883 00:27:44.122673  

 1884 00:27:44.401903  00580000 ################################################################

 1885 00:27:44.402063  

 1886 00:27:44.672385  00600000 ################################################################

 1887 00:27:44.672525  

 1888 00:27:44.928643  00680000 ################################################################

 1889 00:27:44.928795  

 1890 00:27:45.202469  00700000 ################################################################

 1891 00:27:45.202635  

 1892 00:27:45.484134  00780000 ################################################################

 1893 00:27:45.484272  

 1894 00:27:45.758739  00800000 ################################################################

 1895 00:27:45.758891  

 1896 00:27:46.012643  00880000 ################################################################

 1897 00:27:46.012780  

 1898 00:27:46.264465  00900000 ################################################################

 1899 00:27:46.264603  

 1900 00:27:46.520605  00980000 ################################################################

 1901 00:27:46.520762  

 1902 00:27:46.524287  00a00000 # done.

 1903 00:27:46.524376  

 1904 00:27:46.527479  Sending tftp read request... done.

 1905 00:27:46.527568  

 1906 00:27:46.531398  Waiting for the transfer... 

 1907 00:27:46.531483  

 1908 00:27:46.531549  00000000 # done.

 1909 00:27:46.531612  

 1910 00:27:46.541326  Command line loaded dynamically from TFTP file: 12264581/tftp-deploy-tddnab59/kernel/cmdline

 1911 00:27:46.541412  

 1912 00:27:46.570748  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/12264581/extract-nfsrootfs-cy_a_e9h,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1913 00:27:46.576193  

 1914 00:27:46.579449  Shutting down all USB controllers.

 1915 00:27:46.579561  

 1916 00:27:46.579681  Removing current net device

 1917 00:27:46.579761  

 1918 00:27:46.582591  Finalizing coreboot

 1919 00:27:46.582675  

 1920 00:27:46.589085  Exiting depthcharge with code 4 at timestamp: 21359745

 1921 00:27:46.589170  

 1922 00:27:46.589236  

 1923 00:27:46.589307  Starting kernel ...

 1924 00:27:46.589368  

 1925 00:27:46.589427  

 1926 00:27:46.589841  end: 2.2.4 bootloader-commands (duration 00:00:15) [common]
 1927 00:27:46.589936  start: 2.2.5 auto-login-action (timeout 00:04:28) [common]
 1928 00:27:46.590011  Setting prompt string to ['Linux version [0-9]']
 1929 00:27:46.590078  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}']
 1930 00:27:46.590145  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)
 1931 00:27:48.922174  

 1932 00:27:48.923255  start: 2.2.5.1 login-action (timeout 00:04:26) [common]
 1933 00:27:48.923790  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.
 1934 00:27:48.924210  Setting prompt string to []
 1935 00:27:48.924663  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']
 1936 00:27:48.925224  Using line separator: #'\n'#
 1937 00:27:48.925604  No login prompt set.
 1938 00:27:48.925976  Parsing kernel messages
 1939 00:27:48.926295  ['-\\[ 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']
 1940 00:27:48.926895  [login-action] Waiting for messages, (timeout 00:04:26)
 1941 00:27:48.941822  <5>[    0.000000] Linux version 5.10.204-cip41 (KernelCI@build-j46889-x86-64-gcc-10-x86-64-defconfig-x86-board-ncr95) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Dec 14 00:09:38 UTC 2023

 1942 00:27:48.974807  <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/12264581/extract-nfsrootfs-cy_a_e9h,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1943 00:27:48.978355  <6>[    0.000000] BIOS-provided physical RAM map:

 1944 00:27:48.988104  <6>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16

 1945 00:27:48.995157  <6>[    0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable

 1946 00:27:49.001258  <6>[    0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved

 1947 00:27:49.011212  <6>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable

 1948 00:27:49.017617  <6>[    0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16

 1949 00:27:49.027709  <6>[    0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved

 1950 00:27:49.034561  <6>[    0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved

 1951 00:27:49.044485  <6>[    0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved

 1952 00:27:49.050498  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved

 1953 00:27:49.060918  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved

 1954 00:27:49.067181  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved

 1955 00:27:49.073780  <6>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable

 1956 00:27:49.080352  <6>[    0.000000] NX (Execute Disable) protection: active

 1957 00:27:49.083727  <6>[    0.000000] SMBIOS 2.7 present.

 1958 00:27:49.090075  <6>[    0.000000] DMI: Google Rammus/Rammus, BIOS  09/04/2020

 1959 00:27:49.096591  <6>[    0.000000] tsc: Detected 1600.000 MHz processor

 1960 00:27:49.100339  <6>[    0.000000] tsc: Detected 1599.960 MHz TSC

 1961 00:27:49.107066  <6>[    0.000053] last_pfn = 0x17f000 max_arch_pfn = 0x400000000

 1962 00:27:49.116095  <6>[    0.001306] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  

 1963 00:27:49.122673  <6>[    0.006690] last_pfn = 0x7a998 max_arch_pfn = 0x400000000

 1964 00:27:49.129938  <6>[    0.024215] check: Scanning 1 areas for low memory corruption

 1965 00:27:49.132849  <6>[    0.024228] Using GB pages for direct mapping

 1966 00:27:49.139165  <6>[    0.024967] RAMDISK: [mem 0x375fe000-0x37ffffff]

 1967 00:27:49.146204  <6>[    0.024974] ACPI: Early table checksum verification disabled

 1968 00:27:49.152599  <6>[    0.024981] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE  )

 1969 00:27:49.162366  <6>[    0.024994] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1970 00:27:49.172545  <6>[    0.025009] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 1971 00:27:49.181918  <6>[    0.025024] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531)

 1972 00:27:49.188655  <6>[    0.025037] ACPI: FACS 0x000000007AA9A240 000040

 1973 00:27:49.191749  <6>[    0.025047] ACPI: FACS 0x000000007AA9A240 000040

 1974 00:27:49.202228  <6>[    0.025058] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE   COREBOOT 0000002A CORE 0000002A)

 1975 00:27:49.211637  <6>[    0.025070] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1976 00:27:49.221325  <6>[    0.025081] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 1977 00:27:49.231171  <6>[    0.025092] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE   COREBOOT 00000000 CORE 00000000)

 1978 00:27:49.241244  <6>[    0.025103] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS   00000000 CORE 00000000)

 1979 00:27:49.250866  <6>[    0.025115] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1980 00:27:49.260857  <6>[    0.025126] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE   COREBOOT 00000000 CORE 00000000)

 1981 00:27:49.271095  <6>[    0.025137] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1982 00:27:49.281269  <6>[    0.025149] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63]

 1983 00:27:49.287741  <6>[    0.025153] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962]

 1984 00:27:49.297005  <6>[    0.025158] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f]

 1985 00:27:49.303763  <6>[    0.025162] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f]

 1986 00:27:49.313367  <6>[    0.025166] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969]

 1987 00:27:49.320192  <6>[    0.025171] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab]

 1988 00:27:49.330028  <6>[    0.025175] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef]

 1989 00:27:49.336103  <6>[    0.025180] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b]

 1990 00:27:49.346010  <6>[    0.025184] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b]

 1991 00:27:49.352759  <6>[    0.025189] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607]

 1992 00:27:49.362656  <6>[    0.025193] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670]

 1993 00:27:49.369664  <6>[    0.025197] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7]

 1994 00:27:49.375726  <6>[    0.025333] No NUMA configuration found

 1995 00:27:49.382566  <6>[    0.025338] Faking a node at [mem 0x0000000000000000-0x000000017effffff]

 1996 00:27:49.388738  <6>[    0.025347] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff]

 1997 00:27:49.392223  <6>[    0.025389] Zone ranges:

 1998 00:27:49.398904  <6>[    0.025394]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]

 1999 00:27:49.408692  <6>[    0.025401]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]

 2000 00:27:49.415573  <6>[    0.025408]   Normal   [mem 0x0000000100000000-0x000000017effffff]

 2001 00:27:49.418566  <6>[    0.025415] Movable zone start for each node

 2002 00:27:49.425242  <6>[    0.025419] Early memory node ranges

 2003 00:27:49.432041  <6>[    0.025424]   node   0: [mem 0x0000000000001000-0x000000000009ffff]

 2004 00:27:49.438205  <6>[    0.025428]   node   0: [mem 0x0000000000100000-0x000000007a997fff]

 2005 00:27:49.445094  <6>[    0.025433]   node   0: [mem 0x0000000100000000-0x000000017effffff]

 2006 00:27:49.455311  <6>[    0.025439] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff]

 2007 00:27:49.461319  <6>[    0.025472] On node 0, zone DMA: 1 pages in unavailable ranges

 2008 00:27:49.468000  <6>[    0.025513] On node 0, zone DMA: 96 pages in unavailable ranges

 2009 00:27:49.474727  <6>[    0.035983] On node 0, zone Normal: 22120 pages in unavailable ranges

 2010 00:27:49.484230  <6>[    0.036055] On node 0, zone Normal: 4096 pages in unavailable ranges

 2011 00:27:49.491312  <6>[    0.036080] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff]

 2012 00:27:49.494357  <6>[    0.036436] ACPI: PM-Timer IO Port: 0x1808

 2013 00:27:49.504222  <6>[    0.036491] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119

 2014 00:27:49.510625  <6>[    0.036504] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)

 2015 00:27:49.520364  <6>[    0.036509] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)

 2016 00:27:49.527117  <6>[    0.036524] Using ACPI (MADT) for SMP configuration information

 2017 00:27:49.530034  <6>[    0.036536] ACPI: HPET id: 0x8086a701 base: 0xfed00000

 2018 00:27:49.537080  <6>[    0.036544] TSC deadline timer available

 2019 00:27:49.543181  <6>[    0.036549] smpboot: Allowing 4 CPUs, 0 hotplug CPUs

 2020 00:27:49.550016  <6>[    0.036577] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]

 2021 00:27:49.559747  <6>[    0.036582] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff]

 2022 00:27:49.569704  <6>[    0.036588] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff]

 2023 00:27:49.576399  <6>[    0.036592] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff]

 2024 00:27:49.586383  <6>[    0.036596] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff]

 2025 00:27:49.595951  <6>[    0.036600] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff]

 2026 00:27:49.602555  <6>[    0.036604] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff]

 2027 00:27:49.612877  <6>[    0.036609] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff]

 2028 00:27:49.622738  <6>[    0.036613] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff]

 2029 00:27:49.629223  <6>[    0.036617] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff]

 2030 00:27:49.639121  <6>[    0.036621] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff]

 2031 00:27:49.648601  <6>[    0.036625] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff]

 2032 00:27:49.655607  <6>[    0.036629] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff]

 2033 00:27:49.665159  <6>[    0.036633] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff]

 2034 00:27:49.675146  <6>[    0.036637] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff]

 2035 00:27:49.681626  <6>[    0.036645] [mem 0x80000000-0xdfffffff] available for PCI devices

 2036 00:27:49.691498  <6>[    0.036653] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns

 2037 00:27:49.701692  <6>[    0.052798] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1

 2038 00:27:49.707829  <6>[    0.053069] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288

 2039 00:27:49.717775  <6>[    0.053144] Built 1 zonelists, mobility grouping on.  Total pages: 1006266

 2040 00:27:49.721643  <6>[    0.053149] Policy zone: Normal

 2041 00:27:49.750459  <5>[    0.053162] 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/12264581/extract-nfsrootfs-cy_a_e9h,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2042 00:27:49.760840  <6>[    0.053748] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)

 2043 00:27:49.770498  <6>[    0.053988] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)

 2044 00:27:49.777231  <6>[    0.054075] mem auto-init: stack:off, heap alloc:off, heap free:off

 2045 00:27:49.793984  <6>[    0.075043] Memory: 3876304K/4089052K available (22546K kernel code, 3713K rwdata, 10976K rodata, 2172K init, 13948K bss, 212488K reserved, 0K cma-reserved)

 2046 00:27:49.800230  <6>[    0.075184] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

 2047 00:27:49.806684  <6>[    0.075241] Kernel/User page tables isolation: enabled

 2048 00:27:49.813323  <6>[    0.075355] ftrace: allocating 61881 entries in 242 pages

 2049 00:27:49.819770  <6>[    0.141033] ftrace: allocated 242 pages with 5 groups

 2050 00:27:49.823092  <6>[    0.141321] Running RCU self tests

 2051 00:27:49.829558  <6>[    0.141337] rcu: Hierarchical RCU implementation.

 2052 00:27:49.836801  <6>[    0.141342] rcu: 	RCU event tracing is enabled.

 2053 00:27:49.839529  <6>[    0.141347] rcu: 	RCU lockdep checking is enabled.

 2054 00:27:49.849148  <6>[    0.141352] rcu: 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4.

 2055 00:27:49.852302  <6>[    0.141357] 	Rude variant of Tasks RCU enabled.

 2056 00:27:49.859101  <6>[    0.141361] 	Tracing variant of Tasks RCU enabled.

 2057 00:27:49.869151  <6>[    0.141367] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.

 2058 00:27:49.876107  <6>[    0.141372] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4

 2059 00:27:49.882500  <6>[    0.150906] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16

 2060 00:27:49.885274  <5>[    0.151373] random: crng init done

 2061 00:27:49.891881  <6>[    0.151476] Console: colour dummy device 80x25

 2062 00:27:49.898662  <6>[    0.224904] printk: console [ttyS0] enabled

 2063 00:27:49.905115  <4>[    0.225293] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

 2064 00:27:49.911686  <4>[    0.225977] ... MAX_LOCKDEP_SUBCLASSES:  8

 2065 00:27:49.915034  <4>[    0.226359] ... MAX_LOCK_DEPTH:          48

 2066 00:27:49.921945  <4>[    0.226749] ... MAX_LOCKDEP_KEYS:        8192

 2067 00:27:49.925070  <4>[    0.227152] ... CLASSHASH_SIZE:          4096

 2068 00:27:49.931821  <4>[    0.227555] ... MAX_LOCKDEP_ENTRIES:     32768

 2069 00:27:49.938274  <4>[    0.227965] ... MAX_LOCKDEP_CHAINS:      65536

 2070 00:27:49.941507  <4>[    0.228374] ... CHAINHASH_SIZE:          32768

 2071 00:27:49.948038  <4>[    0.228784]  memory used by lock dependency info: 6365 kB

 2072 00:27:49.954817  <4>[    0.229274]  memory used for stack traces: 4224 kB

 2073 00:27:49.961503  <4>[    0.229713]  per task-struct memory footprint: 1920 bytes

 2074 00:27:49.964443  <6>[    0.230259] ACPI: Core revision 20200925

 2075 00:27:49.971634  <6>[    0.230834] hpet: HPET dysfunctional in PC10. Force disabled.

 2076 00:27:49.977984  <6>[    0.231353] APIC: Switch to symmetric I/O mode setup

 2077 00:27:49.991075  <6>[    0.235860] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns

 2078 00:27:50.001361  <6>[    0.236802] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960)

 2079 00:27:50.007680  <6>[    0.237784] mce: CPU0: Thermal monitoring enabled (TM1)

 2080 00:27:50.014512  <6>[    0.237784] process: using mwait in idle threads

 2081 00:27:50.020760  <6>[    0.237784] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8

 2082 00:27:50.027515  <6>[    0.237784] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4

 2083 00:27:50.037379  <6>[    0.237784] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization

 2084 00:27:50.040663  <6>[    0.237784] Spectre V2 : Mitigation: IBRS

 2085 00:27:50.050542  <6>[    0.237784] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch

 2086 00:27:50.060146  <6>[    0.237784] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT

 2087 00:27:50.063227  <6>[    0.237784] RETBleed: Mitigation: IBRS

 2088 00:27:50.072911  <6>[    0.237784] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier

 2089 00:27:50.083023  <6>[    0.237784] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl

 2090 00:27:50.092771  <6>[    0.237784] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp

 2091 00:27:50.099338  <6>[    0.237784] MDS: Vulnerable: Clear CPU buffers attempted, no microcode

 2092 00:27:50.109603  <6>[    0.237784] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode

 2093 00:27:50.112247  <6>[    0.237784] SRBDS: Vulnerable: No microcode

 2094 00:27:50.118903  <6>[    0.237784] GDS: Vulnerable: No microcode

 2095 00:27:50.129047  <6>[    0.237784] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'

 2096 00:27:50.135979  <6>[    0.237784] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'

 2097 00:27:50.142427  <6>[    0.237784] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'

 2098 00:27:50.149211  <6>[    0.237784] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'

 2099 00:27:50.158486  <6>[    0.237784] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'

 2100 00:27:50.165730  <6>[    0.237784] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256

 2101 00:27:50.171744  <6>[    0.237784] x86/fpu: xstate_offset[3]:  832, xstate_sizes[3]:   64

 2102 00:27:50.178142  <6>[    0.237784] x86/fpu: xstate_offset[4]:  896, xstate_sizes[4]:   64

 2103 00:27:50.188352  <6>[    0.237784] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format.

 2104 00:27:50.195017  <4>[    0.237784] ------------[ cut here ]------------

 2105 00:27:50.197661  Setting prompt string to ['-+\\[ end trace \\w* \\]-+[^\\n]*\\r', '/ #', 'Login timed out', 'Login incorrect']
 2106 00:27:50.207740  <4>[    0.237784] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00

 2107 00:27:50.217716  <4>[    0.237784] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220

 2108 00:27:50.220960  <4>[    0.237784] Modules linked in:

 2109 00:27:50.227168  <4>[    0.237784] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.204-cip41 #1

 2110 00:27:50.237202  <4>[    0.237784] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 2111 00:27:50.240764  <4>[    0.237784] RIP: 0010:apply_returns+0x1f5/0x220

 2112 00:27:50.263665  <4>[    0.237784] Code: 67 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 10 f4 e7 89 c6 05 40 15 67 02 01 e8 25 0c 16 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc

 2113 00:27:50.266677  <4>[    0.237784] RSP: 0000:ffffffff8a203e28 EFLAGS: 00010282

 2114 00:27:50.276536  <4>[    0.237784] RAX: 0000000000000000 RBX: ffffffff8ae2e244 RCX: 0000000000000000

 2115 00:27:50.286595  <4>[    0.237784] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff87f77c31

 2116 00:27:50.293573  <4>[    0.237784] RBP: ffffffff89af8940 R08: 0000000000000001 R09: 0000000000000001

 2117 00:27:50.303412  <4>[    0.237784] R10: ffffffff8a28ff20 R11: 3fffffffffffffff R12: ffffffff8ae47598

 2118 00:27:50.309864  <4>[    0.237784] R13: cccccccccccccccc R14: ffffffff89af8945 R15: 0000000000000004

 2119 00:27:50.319707  <4>[    0.237784] FS:  0000000000000000(0000) GS:ffff9023bac00000(0000) knlGS:0000000000000000

 2120 00:27:50.326606  <4>[    0.237784] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 2121 00:27:50.332949  <4>[    0.237784] CR2: ffff902374001000 CR3: 0000000132626001 CR4: 00000000003706f0

 2122 00:27:50.336314  <4>[    0.237784] Call Trace:

 2123 00:27:50.342643  <4>[    0.237784]  ? __warn+0x80/0x110

 2124 00:27:50.346284  <4>[    0.237784]  ? apply_returns+0x1f5/0x220

 2125 00:27:50.349515  <4>[    0.237784]  ? report_bug+0x9e/0xc0

 2126 00:27:50.356253  <4>[    0.237784]  ? handle_bug+0x41/0x90

 2127 00:27:50.359003  <4>[    0.237784]  ? exc_invalid_op+0x14/0x70

 2128 00:27:50.362458  <4>[    0.237784]  ? asm_exc_invalid_op+0x12/0x20

 2129 00:27:50.368904  <4>[    0.237784]  ? console_unlock+0x4d1/0x5f0

 2130 00:27:50.372672  <4>[    0.237784]  ? apply_returns+0x1f5/0x220

 2131 00:27:50.378788  <4>[    0.237784]  ? apply_returns+0x1f5/0x220

 2132 00:27:50.382097  <4>[    0.237784]  alternative_instructions+0x7d/0x143

 2133 00:27:50.388890  <4>[    0.237784]  arch_cpu_finalize_init+0x28/0x47

 2134 00:27:50.392414  <4>[    0.237784]  start_kernel+0x4a3/0x54d

 2135 00:27:50.398610  <4>[    0.237784]  secondary_startup_64_no_verify+0xc2/0xcb

 2136 00:27:50.401808  <4>[    0.237784] irq event stamp: 200429

 2137 00:27:50.415138  <4>[    0.237784] hardirqs last  enabled at (200437): [<ffffffff87f77c31>] console_unlock+0x4d1/0x5f0

 2138 00:27:50.425096  <4>[    0.237784] hardirqs last disabled at (200444): [<ffffffff87f77ba4>] console_unlock+0x444/0x5f0

 2139 00:27:50.431588  <4>[    0.237784] softirqs last  enabled at (0): [<0000000000000000>] 0x0

 2140 00:27:50.438037  <4>[    0.237784] softirqs last disabled at (0): [<0000000000000000>] 0x0

 2141 00:27:50.444497  <4>[    0.237784] ---[ end trace 74b841559c2f92fa ]---

 2142 00:27:50.445445  Setting prompt string to ['-\\[ cut here \\]', 'Unhandled fault', 'BUG: KCSAN:', 'BUG: KASAN:', 'BUG: KFENCE:', 'Oops(?: -|:)', 'WARNING:', '(kernel BUG at|BUG:)', 'invalid opcode:', 'Kernel panic - not syncing', '/ #', 'Login timed out', 'Login incorrect']
 2143 00:27:50.445949  login-action: kernel 'warning'
 2144 00:27:50.446451  [login-action] Waiting for messages, (timeout 00:04:24)
 2145 00:27:50.448155  <6>[    0.237784] Freeing SMP alternatives memory: 48K

 2146 00:27:50.454214  <6>[    0.237784] pid_max: default: 32768 minimum: 301

 2147 00:27:50.461043  <6>[    0.237784] LSM: Security Framework initializing

 2148 00:27:50.464392  <6>[    0.237784] SELinux:  Initializing.

 2149 00:27:50.467394  <6>[    0.237784] LSM support for eBPF active

 2150 00:27:50.478068  <6>[    0.237784] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2151 00:27:50.487704  <6>[    0.237784] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2152 00:27:50.496999  <6>[    0.237784] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9)

 2153 00:27:50.510505  <6>[    0.238404] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver.

 2154 00:27:50.513714  <6>[    0.238799] ... version:                4

 2155 00:27:50.520481  <6>[    0.239176] ... bit width:              48

 2156 00:27:50.523868  <6>[    0.239557] ... generic registers:      4

 2157 00:27:50.530158  <6>[    0.239789] ... value mask:             0000ffffffffffff

 2158 00:27:50.536844  <6>[    0.240274] ... max period:             00007fffffffffff

 2159 00:27:50.539840  <6>[    0.240757] ... fixed-purpose events:   3

 2160 00:27:50.546813  <6>[    0.240789] ... event mask:             000000070000000f

 2161 00:27:50.553994  <6>[    0.241789] rcu: Hierarchical SRCU implementation.

 2162 00:27:50.557816  <6>[    0.244185] smp: Bringing up secondary CPUs ...

 2163 00:27:50.564786  <6>[    0.245369] x86: Booting SMP configuration:

 2164 00:27:50.568498  <6>[    0.245784] .... node  #0, CPUs:      #1

 2165 00:27:50.584207  <4>[    0.246895] 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.

 2166 00:27:50.602600  <4>[    0.247801] 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.

 2167 00:27:50.606759  <4>[    0.249434]  #2 #3

 2168 00:27:50.610500  <6>[    0.251850] smp: Brought up 1 node, 4 CPUs

 2169 00:27:50.614499  <6>[    0.252444] smpboot: Max logical packages: 1

 2170 00:27:50.621963  <6>[    0.252793] smpboot: Total of 4 processors activated (12799.68 BogoMIPS)

 2171 00:27:50.628595  <6>[    0.255189] devtmpfs: initialized

 2172 00:27:50.631635  <6>[    0.256159] x86/mm: Memory block size: 128MB

 2173 00:27:50.641521  <6>[    0.260427] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns

 2174 00:27:50.652123  <6>[    0.260659] futex hash table entries: 1024 (order: 5, 131072 bytes, linear)

 2175 00:27:50.658266  <6>[    0.262336] pinctrl core: initialized pinctrl subsystem

 2176 00:27:50.665122  <6>[    0.263791] PM: RTC time: 00:27:47, date: 2023-12-14

 2177 00:27:50.668115  <6>[    0.264898] NET: Registered protocol family 16

 2178 00:27:50.674692  <6>[    0.266145] audit: initializing netlink subsys (disabled)

 2179 00:27:50.684701  <5>[    0.266830] audit: type=2000 audit(1702513667.030:1): state=initialized audit_enabled=0 res=1

 2180 00:27:50.691095  <6>[    0.268171] thermal_sys: Registered thermal governor 'step_wise'

 2181 00:27:50.697763  <6>[    0.268177] thermal_sys: Registered thermal governor 'user_space'

 2182 00:27:50.704799  <6>[    0.268832] cpuidle: using governor menu

 2183 00:27:50.707708  <6>[    0.270036] ACPI: bus type PCI registered

 2184 00:27:50.720795  <6>[    0.270833] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000)

 2185 00:27:50.727242  <6>[    0.271654] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820

 2186 00:27:50.733838  <6>[    0.271825] PCI: Using configuration type 1 for base access

 2187 00:27:50.737186  <6>[    0.308543] Kprobes globally optimized

 2188 00:27:50.747161  <6>[    0.308944] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages

 2189 00:27:50.753749  <6>[    0.309803] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages

 2190 00:27:50.760004  <6>[    0.310593] cryptomgr_test (38) used greatest stack depth: 14880 bytes left

 2191 00:27:50.767088  <6>[    0.313192] ACPI: Added _OSI(Module Device)

 2192 00:27:50.773702  <6>[    0.313587] ACPI: Added _OSI(Processor Device)

 2193 00:27:50.777080  <6>[    0.313799] ACPI: Added _OSI(3.0 _SCP Extensions)

 2194 00:27:50.783368  <6>[    0.314236] ACPI: Added _OSI(Processor Aggregator Device)

 2195 00:27:50.790028  <6>[    0.314729] ACPI: Added _OSI(Linux-Dell-Video)

 2196 00:27:50.796729  <6>[    0.315796] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)

 2197 00:27:50.803026  <6>[    0.316284] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)

 2198 00:27:50.809604  <6>[    0.328895] ACPI: 2 ACPI AML tables successfully acquired and loaded

 2199 00:27:50.812500  <6>[    0.337166] ACPI: EC: EC started

 2200 00:27:50.816128  <6>[    0.337502] ACPI: EC: interrupt blocked

 2201 00:27:50.822729  <6>[    0.338528] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2202 00:27:50.833153  <6>[    0.338794] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions

 2203 00:27:50.835620  <6>[    0.339451] ACPI: Interpreter enabled

 2204 00:27:50.842111  <6>[    0.339859] ACPI: (supports S0 S3 S4 S5)

 2205 00:27:50.845349  <6>[    0.340231] ACPI: Using IOAPIC for interrupt routing

 2206 00:27:50.858613  <6>[    0.340763] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug

 2207 00:27:50.862314  <6>[    0.358627] ACPI: Power Resource [PRIC] (on)

 2208 00:27:50.868465  <6>[    0.484916] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])

 2209 00:27:50.882254  <6>[    0.485484] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]

 2210 00:27:50.888389  <6>[    0.487089] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR]

 2211 00:27:50.901358  <6>[    0.487784] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge

 2212 00:27:50.904406  <6>[    0.489340] PCI host bridge to bus 0000:00

 2213 00:27:50.914415  <6>[    0.489731] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]

 2214 00:27:50.921248  <6>[    0.489792] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]

 2215 00:27:50.931024  <6>[    0.490402] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]

 2216 00:27:50.937200  <6>[    0.490791] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window]

 2217 00:27:50.947535  <6>[    0.491457] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window]

 2218 00:27:50.957567  <6>[    0.492792] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window]

 2219 00:27:50.963471  <6>[    0.493457] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window]

 2220 00:27:50.973218  <6>[    0.493790] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window]

 2221 00:27:50.979828  <6>[    0.494456] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window]

 2222 00:27:50.989925  <6>[    0.494790] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window]

 2223 00:27:50.999890  <6>[    0.495455] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window]

 2224 00:27:51.006535  <6>[    0.496791] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window]

 2225 00:27:51.016269  <6>[    0.497456] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window]

 2226 00:27:51.026164  <6>[    0.497791] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window]

 2227 00:27:51.032698  <6>[    0.498457] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window]

 2228 00:27:51.042329  <6>[    0.498790] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window]

 2229 00:27:51.052256  <6>[    0.499455] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window]

 2230 00:27:51.059278  <6>[    0.500791] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window]

 2231 00:27:51.069308  <6>[    0.501472] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window]

 2232 00:27:51.075526  <6>[    0.501790] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window]

 2233 00:27:51.081948  <6>[    0.502458] pci_bus 0000:00: root bus resource [bus 00-ff]

 2234 00:27:51.092437  <6>[    0.502892] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000

 2235 00:27:51.099008  <6>[    0.504514] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000

 2236 00:27:51.106283  <6>[    0.504814] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit]

 2237 00:27:51.115408  <6>[    0.505436] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref]

 2238 00:27:51.122543  <6>[    0.506800] pci 0000:00:02.0: reg 0x20: [io  0x1c00-0x1c3f]

 2239 00:27:51.128392  <6>[    0.507963] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000

 2240 00:27:51.135304  <6>[    0.508530] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit]

 2241 00:27:51.142476  <6>[    0.509558] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000

 2242 00:27:51.151972  <6>[    0.509816] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit]

 2243 00:27:51.158622  <6>[    0.511100] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330

 2244 00:27:51.164931  <6>[    0.511673] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit]

 2245 00:27:51.171435  <6>[    0.512942] pci 0000:00:14.0: PME# supported from D3hot D3cold

 2246 00:27:51.178015  <6>[    0.514251] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000

 2247 00:27:51.187868  <6>[    0.514829] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit]

 2248 00:27:51.194771  <6>[    0.516131] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000

 2249 00:27:51.200990  <6>[    0.516715] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit]

 2250 00:27:51.211085  <6>[    0.517646] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000

 2251 00:27:51.217656  <6>[    0.518838] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit]

 2252 00:27:51.223744  <6>[    0.520306] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000

 2253 00:27:51.230651  <6>[    0.520836] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit]

 2254 00:27:51.240262  <6>[    0.521468] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit]

 2255 00:27:51.247677  <6>[    0.522592] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000

 2256 00:27:51.253698  <6>[    0.522836] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit]

 2257 00:27:51.263602  <6>[    0.524296] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400

 2258 00:27:51.269999  <6>[    0.525993] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold

 2259 00:27:51.277307  <6>[    0.527300] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000

 2260 00:27:51.283329  <6>[    0.527835] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit]

 2261 00:27:51.289739  <6>[    0.529271] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000

 2262 00:27:51.299960  <6>[    0.529834] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit]

 2263 00:27:51.306386  <6>[    0.531277] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501

 2264 00:27:51.313301  <6>[    0.531828] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit]

 2265 00:27:51.319625  <6>[    0.533349] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501

 2266 00:27:51.329368  <6>[    0.533830] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit]

 2267 00:27:51.336239  <6>[    0.535225] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100

 2268 00:27:51.342837  <6>[    0.536553] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000

 2269 00:27:51.349495  <6>[    0.536822] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff]

 2270 00:27:51.356020  <6>[    0.538167] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100

 2271 00:27:51.365378  <6>[    0.538747] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit]

 2272 00:27:51.372580  <6>[    0.539851] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit]

 2273 00:27:51.378834  <6>[    0.540562] pci 0000:00:1f.3: PME# supported from D3hot D3cold

 2274 00:27:51.385469  <6>[    0.541554] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500

 2275 00:27:51.395360  <6>[    0.541858] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit]

 2276 00:27:51.401608  <6>[    0.542538] pci 0000:00:1f.4: reg 0x20: [io  0xefa0-0xefbf]

 2277 00:27:51.408626  <6>[    0.543522] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000

 2278 00:27:51.414614  <6>[    0.544824] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff]

 2279 00:27:51.421504  <6>[    0.546761] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000

 2280 00:27:51.431139  <6>[    0.547131] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit]

 2281 00:27:51.438079  <6>[    0.548946] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold

 2282 00:27:51.444816  <6>[    0.551517] pci 0000:00:1c.0: PCI bridge to [bus 01]

 2283 00:27:51.451315  <6>[    0.552808] pci 0000:00:1c.0:   bridge window [mem 0xd1000000-0xd10fffff]

 2284 00:27:51.460922  <6>[    0.554768] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11

 2285 00:27:51.467922  <6>[    0.555724] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15)

 2286 00:27:51.474504  <6>[    0.556063] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11

 2287 00:27:51.483883  <6>[    0.556983] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11

 2288 00:27:51.490396  <6>[    0.557905] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11

 2289 00:27:51.500302  <6>[    0.558828] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11

 2290 00:27:51.507479  <6>[    0.559746] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11

 2291 00:27:51.514156  <6>[    0.561061] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11

 2292 00:27:51.520755  <6>[    0.567584] ACPI: EC: interrupt unblocked

 2293 00:27:51.523598  <6>[    0.567789] ACPI: EC: event unblocked

 2294 00:27:51.530405  <6>[    0.568149] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2295 00:27:51.533317  <6>[    0.568619] ACPI: EC: GPE=0x6e

 2296 00:27:51.543489  <6>[    0.568793] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete

 2297 00:27:51.549876  <6>[    0.569425] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events

 2298 00:27:51.556254  <6>[    0.570842] iommu: Default domain type: Translated 

 2299 00:27:51.563187  <6>[    0.571980] pci 0000:00:02.0: vgaarb: setting as boot VGA device

 2300 00:27:51.573229  <6>[    0.572418] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none

 2301 00:27:51.579495  <6>[    0.572821] pci 0000:00:02.0: vgaarb: bridge control possible

 2302 00:27:51.583209  <6>[    0.573343] vgaarb: loaded

 2303 00:27:51.589389  <5>[    0.574202] SCSI subsystem initialized

 2304 00:27:51.592742  <6>[    0.574920] ACPI: bus type USB registered

 2305 00:27:51.599637  <6>[    0.575427] usbcore: registered new interface driver usbfs

 2306 00:27:51.606231  <6>[    0.575849] usbcore: registered new interface driver hub

 2307 00:27:51.612365  <6>[    0.576371] usbcore: registered new device driver usb

 2308 00:27:51.615788  <6>[    0.576909] mc: Linux media interface: v0.10

 2309 00:27:51.622541  <6>[    0.577339] videodev: Linux video capture interface: v2.00

 2310 00:27:51.629010  <6>[    0.577826] pps_core: LinuxPPS API ver. 1 registered

 2311 00:27:51.638693  <6>[    0.578282] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

 2312 00:27:51.645536  <6>[    0.579801] PTP clock support registered

 2313 00:27:51.651875  <6>[    0.580232] Advanced Linux Sound Architecture Driver Initialized.

 2314 00:27:51.655019  <6>[    0.581797] NetLabel: Initializing

 2315 00:27:51.661639  <6>[    0.582126] NetLabel:  domain hash size = 128

 2316 00:27:51.668125  <6>[    0.582531] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO

 2317 00:27:51.674671  <6>[    0.582868] NetLabel:  unlabeled traffic allowed by default

 2318 00:27:51.678024  <6>[    0.583930] PCI: Using ACPI for IRQ routing

 2319 00:27:51.685057  <6>[    0.592572] clocksource: Switched to clocksource tsc-early

 2320 00:27:51.691549  <5>[    1.002805] VFS: Disk quotas dquot_6.6.0

 2321 00:27:51.697663  <6>[    1.003228] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

 2322 00:27:51.701215  <6>[    1.004274] pnp: PnP ACPI init

 2323 00:27:51.707701  <6>[    1.005381] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved

 2324 00:27:51.717679  <6>[    1.005998] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved

 2325 00:27:51.724054  <6>[    1.006605] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved

 2326 00:27:51.730846  <6>[    1.007202] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved

 2327 00:27:51.741013  <6>[    1.007807] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved

 2328 00:27:51.747386  <6>[    1.008405] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved

 2329 00:27:51.756783  <6>[    1.009041] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved

 2330 00:27:51.763589  <6>[    1.009675] system 00:00: [mem 0xff000000-0xffffffff] has been reserved

 2331 00:27:51.770302  <6>[    1.010271] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved

 2332 00:27:51.780023  <6>[    1.010877] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved

 2333 00:27:51.786564  <6>[    1.012364] system 00:01: [io  0x1800-0x18fe] has been reserved

 2334 00:27:51.793032  <6>[    1.013288] system 00:03: [io  0x0900-0x09fe] has been reserved

 2335 00:27:51.799600  <6>[    1.014084] system 00:04: [io  0x0200] has been reserved

 2336 00:27:51.806670  <6>[    1.014587] system 00:04: [io  0x0204] has been reserved

 2337 00:27:51.812702  <6>[    1.015076] system 00:04: [io  0x0800-0x087f] has been reserved

 2338 00:27:51.819238  <6>[    1.015623] system 00:04: [io  0x0880-0x08ff] has been reserved

 2339 00:27:51.825912  <6>[    1.018522] pnp: PnP ACPI: found 6 devices

 2340 00:27:51.835823  <6>[    1.032894] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns

 2341 00:27:51.839174  <6>[    1.033809] NET: Registered protocol family 2

 2342 00:27:51.848919  <6>[    1.034382] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)

 2343 00:27:51.859380  <6>[    1.036771] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear)

 2344 00:27:51.869006  <6>[    1.037783] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)

 2345 00:27:51.875579  <6>[    1.038711] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear)

 2346 00:27:51.884692  <6>[    1.041464] TCP: Hash tables configured (established 32768 bind 32768)

 2347 00:27:51.891272  <6>[    1.042380] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear)

 2348 00:27:51.901176  <6>[    1.043365] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2349 00:27:51.908337  <6>[    1.044272] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2350 00:27:51.914959  <6>[    1.045343] NET: Registered protocol family 1

 2351 00:27:51.921104  <6>[    1.046433] RPC: Registered named UNIX socket transport module.

 2352 00:27:51.928091  <6>[    1.047018] RPC: Registered udp transport module.

 2353 00:27:51.931139  <6>[    1.047465] RPC: Registered tcp transport module.

 2354 00:27:51.940836  <6>[    1.047901] RPC: Registered tcp NFSv4.1 backchannel transport module.

 2355 00:27:51.944100  <6>[    1.049088] NET: Registered protocol family 44

 2356 00:27:51.951015  <6>[    1.049543] pci 0000:00:1c.0: PCI bridge to [bus 01]

 2357 00:27:51.957324  <6>[    1.050016] pci 0000:00:1c.0:   bridge window [mem 0xd1000000-0xd10fffff]

 2358 00:27:51.964010  <6>[    1.050655] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]

 2359 00:27:51.973791  <6>[    1.051212] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]

 2360 00:27:51.980184  <6>[    1.051845] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]

 2361 00:27:51.990569  <6>[    1.052473] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window]

 2362 00:27:51.997067  <6>[    1.053089] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window]

 2363 00:27:52.003409  <6>[    1.053711] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window]

 2364 00:27:52.013299  <6>[    1.054327] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window]

 2365 00:27:52.019786  <6>[    1.054958] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window]

 2366 00:27:52.029629  <6>[    1.055589] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window]

 2367 00:27:52.036356  <6>[    1.056212] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window]

 2368 00:27:52.046156  <6>[    1.056842] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window]

 2369 00:27:52.053098  <6>[    1.057511] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window]

 2370 00:27:52.062409  <6>[    1.058133] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window]

 2371 00:27:52.069526  <6>[    1.058764] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window]

 2372 00:27:52.079403  <6>[    1.059386] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window]

 2373 00:27:52.086127  <6>[    1.060016] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window]

 2374 00:27:52.092040  <6>[    1.060647] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window]

 2375 00:27:52.102010  <6>[    1.061270] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window]

 2376 00:27:52.108930  <6>[    1.061914] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window]

 2377 00:27:52.118944  <6>[    1.062545] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window]

 2378 00:27:52.125280  <6>[    1.063169] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff]

 2379 00:27:52.135026  <6>[    1.064194] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]

 2380 00:27:52.141148  <6>[    1.066899] PCI: CLS 64 bytes, default 64

 2381 00:27:52.144750  <6>[    1.067685] Unpacking initramfs...

 2382 00:27:52.148251  <6>[    1.482279] Freeing initrd memory: 10248K

 2383 00:27:52.154682  <6>[    1.482758] DMAR: Host address width 39

 2384 00:27:52.160967  <6>[    1.483156] DMAR: DRHD base: 0x000000fed90000 flags: 0x0

 2385 00:27:52.167753  <6>[    1.483731] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e

 2386 00:27:52.177994  <6>[    1.484489] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff

 2387 00:27:52.184294  <6>[    1.485057] DMAR: DRHD base: 0x000000fed91000 flags: 0x1

 2388 00:27:52.191332  <6>[    1.485568] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da

 2389 00:27:52.201180  <6>[    1.486368] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)

 2390 00:27:52.207940  <6>[    1.486963] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB)

 2391 00:27:52.217455  <6>[    1.487910] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer

 2392 00:27:52.224760  <6>[    1.488638] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules

 2393 00:27:52.230635  <6>[    1.489160] RAPL PMU: hw unit of domain package 2^-14 Joules

 2394 00:27:52.236974  <6>[    1.489734] RAPL PMU: hw unit of domain dram 2^-14 Joules

 2395 00:27:52.243613  <6>[    1.490227] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules

 2396 00:27:52.250594  <6>[    1.490749] RAPL PMU: hw unit of domain psys 2^-14 Joules

 2397 00:27:52.257401  <3>[    1.493020] kvm: already loaded the other module

 2398 00:27:52.263230  <6>[    1.516601] check: Scanning for low memory corruption every 60 seconds

 2399 00:27:52.269715  <5>[    1.520276] Initialise system trusted keyrings

 2400 00:27:52.276594  <6>[    1.520947] workingset: timestamp_bits=56 max_order=20 bucket_order=0

 2401 00:27:52.283220  <5>[    1.540633] NFS: Registering the id_resolver key type

 2402 00:27:52.286063  <5>[    1.541143] Key type id_resolver registered

 2403 00:27:52.293332  <5>[    1.541577] Key type id_legacy registered

 2404 00:27:52.296215  <5>[    1.562552] Key type asymmetric registered

 2405 00:27:52.302643  <5>[    1.562967] Asymmetric key parser 'x509' registered

 2406 00:27:52.312549  <6>[    1.563487] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)

 2407 00:27:52.315650  <6>[    1.564166] io scheduler mq-deadline registered

 2408 00:27:52.322022  <6>[    1.564604] io scheduler kyber registered

 2409 00:27:52.325626  <4>[    1.565201] test_firmware: interface ready

 2410 00:27:52.332036  <6>[    1.567107] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120

 2411 00:27:52.338852  <6>[    1.568948] ACPI: AC Adapter [AC] (on-line)

 2412 00:27:52.352199  <6>[    1.569733] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0

 2413 00:27:52.355241  <6>[    1.571523] ACPI: Lid Switch [LID0]

 2414 00:27:52.361968  <6>[    1.572112] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1

 2415 00:27:52.368849  <6>[    1.573019] ACPI: Power Button [PWRF]

 2416 00:27:52.371671  <6>[    1.573713] ACPI: \_PR_.CP00: Found 3 idle states

 2417 00:27:52.377938  <6>[    1.574964] ACPI: \_PR_.CP01: Found 3 idle states

 2418 00:27:52.384885  <6>[    1.576004] ACPI: \_PR_.CP02: Found 3 idle states

 2419 00:27:52.391170  <6>[    1.577014] ACPI: \_PR_.CP03: Found 3 idle states

 2420 00:27:52.397964  <6>[    1.578565] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled

 2421 00:27:52.404750  <4>[    1.582650] hpet_acpi_add: no address or irqs in _CRS

 2422 00:27:52.411291  <6>[    1.583204] battery: ACPI: Battery Slot [BAT0] (battery present)

 2423 00:27:52.414830  <6>[    1.583372] Non-volatile memory driver v1.3

 2424 00:27:52.421247  <6>[    1.584334] Linux agpgart interface v0.103

 2425 00:27:52.424682  <6>[    1.585083] ACPI: bus type drm_connector registered

 2426 00:27:52.431279  <6>[    1.585708] [drm] amdgpu kernel modesetting enabled.

 2427 00:27:52.437529  <6>[    1.588831] i915 0000:00:02.0: vgaarb: deactivate vga console

 2428 00:27:52.450457  <6>[    1.642297] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem

 2429 00:27:52.460644  <6>[    1.644228] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4)

 2430 00:27:52.467189  <6>[    1.678639] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0

 2431 00:27:52.473716  <6>[    1.682420] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1

 2432 00:27:52.480254  <6>[    1.698569] loop: module loaded

 2433 00:27:52.487343  <6>[    1.699703] lkdtm: No crash points registered, enable through debugfs

 2434 00:27:52.490779  <6>[    1.724566] printk: console [ttyS0] disabled

 2435 00:27:52.500363  <6>[    1.725276] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A

 2436 00:27:52.510128  <6>[    2.573685] tsc: Refined TSC clocksource calibration: 1608.000 MHz

 2437 00:27:52.513510  <6>[    2.579836] printk: console [ttyS0] enabled

 2438 00:27:52.526211  <6>[    2.587143] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns

 2439 00:27:52.536352  <6>[    2.615800] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A

 2440 00:27:52.592838  <6>[    5.359117] fbcon: i915drmfb (fb0) is primary device

 2441 00:27:52.599495  <6>[    5.360676] clocksource: Switched to clocksource tsc

 2442 00:27:52.606250  <4>[    5.361214] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO

 2443 00:27:52.612558  <6>[    5.369498] e100: Intel(R) PRO/100 Network Driver

 2444 00:27:52.619202  <6>[    5.369502] e100: Copyright(c) 1999-2006 Intel Corporation

 2445 00:27:52.626092  <6>[    5.369565] e1000: Intel(R) PRO/1000 Network Driver

 2446 00:27:52.633386  <6>[    5.369568] e1000: Copyright (c) 1999-2006 Intel Corporation.

 2447 00:27:52.638986  <6>[    5.369651] e1000e: Intel(R) PRO/1000 Network Driver

 2448 00:27:52.646358  <6>[    5.369653] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

 2449 00:27:52.653216  <6>[    5.369740] igb: Intel(R) Gigabit Ethernet Network Driver

 2450 00:27:52.659994  <6>[    5.369742] igb: Copyright (c) 2007-2014 Intel Corporation.

 2451 00:27:52.662762  <6>[    5.369804] sky2: driver version 1.30

 2452 00:27:52.669367  <6>[    5.370120] usbcore: registered new interface driver r8152

 2453 00:27:52.676328  <6>[    5.370759] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

 2454 00:27:52.682506  <6>[    5.370782] ehci-pci: EHCI PCI platform driver

 2455 00:27:52.689669  <6>[    5.370858] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

 2456 00:27:52.696439  <6>[    5.370876] ohci-pci: OHCI PCI platform driver

 2457 00:27:52.700307  <6>[    5.370969] uhci_hcd: USB Universal Host Controller Interface driver

 2458 00:27:52.710109  <6>[    5.371405] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2

 2459 00:27:52.716520  <6>[    5.372809] xhci_hcd 0000:00:14.0: xHCI Host Controller

 2460 00:27:52.723157  <6>[    5.374295] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1

 2461 00:27:52.736625  <6>[    5.375874] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810

 2462 00:27:52.743106  <6>[    5.375935] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported

 2463 00:27:52.749873  <6>[    5.378671] xhci_hcd 0000:00:14.0: xHCI Host Controller

 2464 00:27:52.757360  <6>[    5.379242] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2

 2465 00:27:52.766647  <6>[    5.379255] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed

 2466 00:27:52.773185  <6>[    5.379993] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10

 2467 00:27:52.782920  <6>[    5.380049] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2468 00:27:52.789447  <6>[    5.380053] usb usb1: Product: xHCI Host Controller

 2469 00:27:52.796438  <6>[    5.380057] usb usb1: Manufacturer: Linux 5.10.204-cip41 xhci-hcd

 2470 00:27:52.803041  <6>[    5.380060] usb usb1: SerialNumber: 0000:00:14.0

 2471 00:27:52.805972  <6>[    5.382288] hub 1-0:1.0: USB hub found

 2472 00:27:52.809690  <6>[    5.382516] hub 1-0:1.0: 12 ports detected

 2473 00:27:52.819573  <6>[    5.386996] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10

 2474 00:27:52.829376  <6>[    5.387001] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2475 00:27:52.836112  <6>[    5.387005] usb usb2: Product: xHCI Host Controller

 2476 00:27:52.842546  <6>[    5.387008] usb usb2: Manufacturer: Linux 5.10.204-cip41 xhci-hcd

 2477 00:27:52.846777  <6>[    5.387012] usb usb2: SerialNumber: 0000:00:14.0

 2478 00:27:52.862603  <6>[    5.388009] hub 2-0:1.0: USB hub found

 2479 00:27:52.862700  <6>[    5.388062] hub 2-0:1.0: 6 ports detected

 2480 00:27:52.863009  <6>[    5.390791] usbcore: registered new interface driver usblp

 2481 00:27:52.868932  <6>[    5.390881] usbcore: registered new interface driver usb-storage

 2482 00:27:52.878921  <6>[    5.391696] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers

 2483 00:27:52.888559  <6>[    5.391917] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1

 2484 00:27:52.898412  <4>[    5.391919] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp

 2485 00:27:52.905331  <4>[    5.392817] i8042: Warning: Keylock active

 2486 00:27:52.911758  <6>[    5.393215] serio: i8042 KBD port at 0x60,0x64 irq 1

 2487 00:27:52.915441  <6>[    5.396286] rtc_cmos 00:02: RTC can wake from S4

 2488 00:27:52.925020  <6>[    5.396686] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0)

 2489 00:27:52.935633  <6>[    5.398860] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2

 2490 00:27:52.942205  <6>[    5.398956] Console: switching to colour frame buffer device 240x67

 2491 00:27:52.945667  <6>[    5.400943] rtc_cmos 00:02: registered as rtc0

 2492 00:27:52.953116  <6>[    5.401324] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram

 2493 00:27:52.959947  <6>[    5.402749] i801_smbus 0000:00:1f.4: SPD Write Disable is set

 2494 00:27:52.967840  <6>[    5.402834] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt

 2495 00:27:52.975743  <6>[    5.404307] i2c i2c-9: 2/2 memory slots populated (from DMI)

 2496 00:27:52.982953  <6>[    5.407543] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com

 2497 00:27:52.991707  <6>[    5.407604] intel_pstate: Intel P-state driver initializing

 2498 00:27:52.995084  <6>[    5.408630] intel_pstate: HWP enabled

 2499 00:27:53.002238  <6>[    5.408670] sdhci: Secure Digital Host Controller Interface driver

 2500 00:27:53.009181  <6>[    5.408671] sdhci: Copyright(c) Pierre Ossman

 2501 00:27:53.015524  <6>[    5.408704] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21)

 2502 00:27:53.025937  <6>[    5.409709] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit

 2503 00:27:53.032339  <6>[    5.409903] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2504 00:27:53.038983  <6>[    5.411303] hid: raw HID events driver (C) Jiri Kosina

 2505 00:27:53.045521  <6>[    5.411733] usbcore: registered new interface driver usbhid

 2506 00:27:53.052373  <6>[    5.417314] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device

 2507 00:27:53.058614  <6>[    5.423163] usbhid: USB HID core driver

 2508 00:27:53.064994  <6>[    5.628484] usb 1-3: new full-speed USB device number 2 using xhci_hcd

 2509 00:27:53.078691  <6>[    5.629918] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3

 2510 00:27:53.088131  <6>[    5.761749] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03

 2511 00:27:53.095466  <6>[    5.769519] cros_ec_lpcs GOOG0004:00: Chrome EC device registered

 2512 00:27:53.104853  <6>[    5.770159] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0

 2513 00:27:53.115009  <6>[    5.777996] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100

 2514 00:27:53.128278  <6>[    5.825364] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7

 2515 00:27:53.135252  <6>[    5.826211] ipip: IPv4 and MPLS over IPv4 tunneling driver

 2516 00:27:53.138049  <6>[    5.858808] mmc0: new HS400 MMC card at address 0001

 2517 00:27:53.144854  <6>[    5.861887] IPv4 over IPsec tunneling driver

 2518 00:27:53.151075  <6>[    5.868667] mmcblk0: mmc0:0001 DA4064 58.2 GiB 

 2519 00:27:53.158267  <6>[    5.875896] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2520 00:27:53.164406  <6>[    5.876723] Initializing XFRM netlink socket

 2521 00:27:53.167820  <6>[    5.877113] NET: Registered protocol family 10

 2522 00:27:53.170986  <6>[    5.877908] Segment Routing with IPv6

 2523 00:27:53.177785  <6>[    5.878573] NET: Registered protocol family 17

 2524 00:27:53.183992  <6>[    5.878710] 8021q: 802.1Q VLAN Support v1.8

 2525 00:27:53.188107  <5>[    5.878745] Key type dns_resolver registered

 2526 00:27:53.197736  <6>[    6.010481] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops)

 2527 00:27:53.204186  <6>[    6.011300] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB

 2528 00:27:53.210681  <6>[    6.011455] microcode: sig=0x806e9, pf=0x10, revision=0x98

 2529 00:27:53.217419  <6>[    6.027984] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB

 2530 00:27:53.223468  <6>[    6.041250] microcode: Microcode Update Driver: v2.2.

 2531 00:27:53.229738  <6>[    6.041258] IPI shorthand broadcast: enabled

 2532 00:27:53.236615  <6>[    6.041366] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0)

 2533 00:27:53.247181  <6>[    6.047277] sched_clock: Marking stable (5961747902, 85451769)->(6161264988, -114065317)

 2534 00:27:53.253286  <3>[    6.048957] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up

 2535 00:27:53.260047  <6>[    6.068581]  mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12

 2536 00:27:53.267165  <6>[    6.084557] registered taskstats version 1

 2537 00:27:53.277290  <6>[    6.084836] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00

 2538 00:27:53.280607  <5>[    6.092504] Loading compiled-in X.509 certificates

 2539 00:27:53.290361  <6>[    6.098887] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6

 2540 00:27:53.296475  <6>[    6.098890] usb 2-3: Product: USB 10/100/1000 LAN

 2541 00:27:53.300291  <6>[    6.098892] usb 2-3: Manufacturer: Realtek

 2542 00:27:53.310207  <6>[    6.106278] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2543 00:27:53.313159  <6>[    6.112816] usb 2-3: SerialNumber: 001000001

 2544 00:27:53.324259  <6>[    6.138842] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2545 00:27:53.334291  <6>[    6.148509] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2546 00:27:53.340664  <6>[    6.157973] PM:   Magic number: 3:13:456

 2547 00:27:53.344238  <6>[    6.162737] mem urandom: hash matches

 2548 00:27:53.351383  <6>[    6.167347] printk: console [netcon0] enabled

 2549 00:27:53.353736  <6>[    6.172516] netconsole: network logging started

 2550 00:27:53.383630  <6>[    6.198626] usb 1-9: new high-speed USB device number 3 using xhci_hcd

 2551 00:27:53.554040  <6>[    6.368777] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07

 2552 00:27:53.564347  <6>[    6.378258] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2

 2553 00:27:53.570961  <6>[    6.386546] usb 1-9: Product: USB2.0 HD UVC WebCam

 2554 00:27:53.573506  <6>[    6.392210] usb 1-9: Manufacturer: Azurewave

 2555 00:27:53.580749  <6>[    6.397297] usb 1-9: SerialNumber: 0x0001

 2556 00:27:53.595303  <6>[    6.409970] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2557 00:27:53.640202  <6>[    6.454977] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2558 00:27:53.699351  <6>[    6.512929] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully

 2559 00:27:53.735605  <6>[    6.553351] r8152 2-3:1.0 eth0: v1.11.11

 2560 00:27:53.745717  <6>[    6.558652] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2561 00:27:55.410964  <6>[    8.228688] r8152 2-3:1.0 eth0: carrier on

 2562 00:27:55.417248  <6>[    8.234546] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

 2563 00:27:57.748543  <5>[    8.246603] Sending DHCP requests .., OK

 2564 00:27:57.758065  <6>[   10.571389] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.18

 2565 00:27:57.761626  <6>[   10.580651] IP-Config: Complete:

 2566 00:27:57.774789  <6>[   10.584576]      device=eth0, hwaddr=00:e0:4c:68:0a:98, ipaddr=192.168.201.18, mask=255.255.255.0, gw=192.168.201.1

 2567 00:27:57.781382  <6>[   10.596547]      host=asus-c433ta-aj0005-rammus-cbg-2, domain=lava-rack, nis-domain=(none)

 2568 00:27:57.791554  <6>[   10.606087]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

 2569 00:27:57.794845  <6>[   10.606089]      nameserver0=192.168.201.1

 2570 00:27:57.804330  <5>[   10.619489] cfg80211: Loading compiled-in X.509 certificates for regulatory database

 2571 00:27:57.816209  <6>[   10.631168] modprobe (101) used greatest stack depth: 14208 bytes left

 2572 00:27:57.823433  <5>[   10.634074] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'

 2573 00:27:57.832571  <4>[   10.646640] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2

 2574 00:27:57.835938  <6>[   10.647585] ALSA device list:

 2575 00:27:57.842640  <6>[   10.656626] cfg80211: failed to load regulatory.db

 2576 00:27:57.845733  <6>[   10.660223]   No soundcards found.

 2577 00:27:57.855573  <4>[   10.670304] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console

 2578 00:27:57.865784  <6>[   10.680188] Freeing unused kernel image (initmem) memory: 2172K

 2579 00:27:57.879732  <6>[   10.694741] Write protecting the kernel read-only data: 36864k

 2580 00:27:57.886793  <6>[   10.702506] Freeing unused kernel image (text/rodata gap) memory: 2028K

 2581 00:27:57.896208  <6>[   10.710657] Freeing unused kernel image (rodata/data gap) memory: 1312K

 2582 00:27:57.899335  <6>[   10.718435] Run /init as init process

 2583 00:27:57.905893  Loading, please wait...

 2584 00:27:57.917356  <6>[   10.732399] cat (119) used greatest stack depth: 13944 bytes left

 2585 00:27:57.920882  Starting version 247.3-7+deb11u2

 2586 00:27:57.927554  <6>[   10.740080] systemd-udevd (123) used greatest stack depth: 13592 bytes left

 2587 00:27:58.093754  <6>[   10.911788] chromeos ramoops using acpi device.

 2588 00:27:58.103546  <6>[   10.913023] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2589 00:27:58.114346  <4>[   10.928912] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer.

 2590 00:27:58.124337  <6>[   10.935488] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2591 00:27:58.142402  <6>[   10.957221] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2592 00:27:58.152300  <4>[   10.966826] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator

 2593 00:27:58.162175  <4>[   10.976897] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator

 2594 00:27:58.176786  <6>[   10.991568] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2595 00:27:58.197781  <6>[   11.016168] Registered efivars operations

 2596 00:27:58.201312  <6>[   11.020980] gsmi version 1.0 loaded

 2597 00:27:58.211072  <6>[   11.025277] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2598 00:27:58.356492  <6>[   11.164679] input: PNP0C50:00 0457:157E Touchscreen as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-6/i2c-PNP0C50:00/0018:0457:157E.0001/input/input4

 2599 00:27:58.371738  <6>[   11.183416] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00

 2600 00:27:58.381920  <6>[   11.196483] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2601 00:27:58.395596  <6>[   11.210133] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2602 00:27:58.415343  <6>[   11.229895] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2603 00:27:58.422047  <6>[   11.238419] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4)

 2604 00:27:58.440223  <6>[   11.250412] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/input/input6

 2605 00:27:58.447038  <6>[   11.251101] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2606 00:27:58.453586  <6>[   11.264146] usbcore: registered new interface driver uvcvideo

 2607 00:27:58.463143  <6>[   11.272972] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2608 00:27:58.466824  <6>[   11.277725] USB Video Class driver (1.1.1)

 2609 00:27:58.478416  <6>[   11.293600] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2610 00:27:58.489542  <6>[   11.304612] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2611 00:27:58.503767  <4>[   11.316888] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk

 2612 00:27:58.510946  <6>[   11.323125] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2613 00:27:58.522057  <6>[   11.336895] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2614 00:27:58.535726  <6>[   11.350303] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2615 00:27:58.545397  Begin: Loading essential drivers ... done.

 2616 00:27:58.548583  Begin: Running /scripts/init-premount ... done.

 2617 00:27:58.558435  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

 2618 00:27:58.568378  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

 2619 00:27:58.571362  Device /sys/class/net/eth0 found

 2620 00:27:58.571870  done.

 2621 00:27:58.583893  IP-Config: eth0 hardware address 00:e0:4c:68:0a:98 mtu 1500 DHCP

 2622 00:27:58.590794  IP-Config: eth0 complete (dhcp from 192.168.201.1):

 2623 00:27:58.607722   address: 192.168.201.18   broadcast: 192.168.201.255  netmask: 255.255.255<6>[   11.420877] ipconfig (169) used greatest stack depth: 13464 bytes left

 2624 00:27:58.608375  .0   

 2625 00:27:58.614271   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         

 2626 00:27:58.620734   host   : asus-c433ta-aj0005-rammus-cbg-2                                 

 2627 00:27:58.630460   domain : lava-rack                                                       

 2628 00:27:58.633897   rootserver: 192.168.201.1 rootpath: 

 2629 00:27:58.634221   filename  : 

 2630 00:27:58.735199  <6>[   11.550458] nfsmount (170) used greatest stack depth: 12544 bytes left

 2631 00:27:58.735368  done.

 2632 00:27:58.749257  Begin: Running /scripts/nfs-bottom ... done.

 2633 00:27:58.773304  Begin: Running /scripts/init-bottom ... done.

 2634 00:27:59.839866  SELinux:  Could not open policy file <= /etc/selinux/targeted/policy/policy.33:  No such file or directory

 2635 00:28:00.044132  <30>[   12.842436] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified)

 2636 00:28:00.062578  <30>[   12.880717] systemd[1]: Detected architecture x86-64.

 2637 00:28:00.083603  

 2638 00:28:00.087088  Welcome to Debian GNU/Linux 11 (bullseye)!

 2639 00:28:00.087554  

 2640 00:28:00.101814  <30>[   12.916270] systemd[1]: Set hostname to <debian-bullseye-amd64>.

 2641 00:28:00.830207  <30>[   13.644674] systemd[1]: Queued start job for default target Graphical Interface.

 2642 00:28:00.838872  <30>[   13.656898] systemd[1]: Created slice system-getty.slice.

 2643 00:28:00.845498  [  OK  ] Created slice system-getty.slice.

 2644 00:28:00.858336  <30>[   13.673096] systemd[1]: Created slice system-modprobe.slice.

 2645 00:28:00.864711  [  OK  ] Created slice system-modprobe.slice.

 2646 00:28:00.875208  <30>[   13.690080] systemd[1]: Created slice system-serial\x2dgetty.slice.

 2647 00:28:00.882014  [  OK  ] Created slice system-serial\x2dgetty.slice.

 2648 00:28:00.892446  <30>[   13.707044] systemd[1]: Created slice User and Session Slice.

 2649 00:28:00.899513  [  OK  ] Created slice User and Session Slice.

 2650 00:28:00.909296  <30>[   13.723982] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

 2651 00:28:00.919166  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

 2652 00:28:00.931130  <30>[   13.745882] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

 2653 00:28:00.940796  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

 2654 00:28:00.956409  <30>[   13.767615] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.

 2655 00:28:00.965995  [  OK  ] Set up automount Arbitrary…s File System Automount Point.

 2656 00:28:00.976285  <30>[   13.790834] systemd[1]: Reached target Local Encrypted Volumes.

 2657 00:28:00.982808  [  OK  ] Reached target Local Encrypted Volumes.

 2658 00:28:00.989886  <30>[   13.807841] systemd[1]: Reached target Paths.

 2659 00:28:00.996171  [  OK  ] Reached target Paths.

 2660 00:28:01.004155  <30>[   13.821799] systemd[1]: Reached target Remote File Systems.

 2661 00:28:01.014066  [  OK  ] Reached target Remote File Systems.

 2662 00:28:01.020288  <30>[   13.837802] systemd[1]: Reached target Slices.

 2663 00:28:01.026623  [  OK  ] Reached target Slices.

 2664 00:28:01.033263  <30>[   13.851804] systemd[1]: Reached target Swap.

 2665 00:28:01.039979  [  OK  ] Reached target Swap.

 2666 00:28:01.046620  <30>[   13.863026] systemd[1]: Listening on initctl Compatibility Named Pipe.

 2667 00:28:01.056514  [  OK  ] Listening on initctl Compatibility Named Pipe.

 2668 00:28:01.063465  <30>[   13.880828] systemd[1]: Listening on Journal Audit Socket.

 2669 00:28:01.069995  [  OK  ] Listening on Journal Audit Socket.

 2670 00:28:01.083045  <30>[   13.897708] systemd[1]: Listening on Journal Socket (/dev/log).

 2671 00:28:01.089258  [  OK  ] Listening on Journal Socket (/dev/log).

 2672 00:28:01.095929  <30>[   13.914129] systemd[1]: Listening on Journal Socket.

 2673 00:28:01.102625  [  OK  ] Listening on Journal Socket.

 2674 00:28:01.114548  <30>[   13.929752] systemd[1]: Listening on Network Service Netlink Socket.

 2675 00:28:01.121875  [  OK  ] Listening on Network Service Netlink Socket.

 2676 00:28:01.131243  <30>[   13.949779] systemd[1]: Listening on udev Control Socket.

 2677 00:28:01.141339  [  OK  ] Listening on udev Control Socket.

 2678 00:28:01.148034  <30>[   13.966132] systemd[1]: Listening on udev Kernel Socket.

 2679 00:28:01.154675  [  OK  ] Listening on udev Kernel Socket.

 2680 00:28:01.165922  <30>[   13.983446] systemd[1]: Mounting Huge Pages File System...

 2681 00:28:01.172244           Mounting Huge Pages File System...

 2682 00:28:01.184840  <30>[   14.000019] systemd[1]: Mounting POSIX Message Queue File System...

 2683 00:28:01.191744           Mounting POSIX Message Queue File System...

 2684 00:28:01.203795  <30>[   14.018443] systemd[1]: Mounting Kernel Debug File System...

 2685 00:28:01.206685           Mounting Kernel Debug File System...

 2686 00:28:01.220581  <30>[   14.035270] systemd[1]: Mounting Kernel Trace File System...

 2687 00:28:01.223581           Mounting Kernel Trace File System...

 2688 00:28:01.247874  <30>[   14.062611] systemd[1]: Starting Create list of static device nodes for the current kernel...

 2689 00:28:01.257729           Starting Create list of st…odes for the current kernel...

 2690 00:28:01.267728  <30>[   14.082866] systemd[1]: Starting Load Kernel Module configfs...

 2691 00:28:01.274366           Starting Load Kernel Module configfs...

 2692 00:28:01.281777  <30>[   14.100007] systemd[1]: Starting Load Kernel Module drm...

 2693 00:28:01.288428           Starting Load Kernel Module drm...

 2694 00:28:01.296096  <30>[   14.114091] systemd[1]: Starting Load Kernel Module fuse...

 2695 00:28:01.302640           Starting Load Kernel Module fuse...

 2696 00:28:01.322088  <30>[   14.133878] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

 2697 00:28:01.330214  <30>[   14.148020] systemd[1]: Starting Journal Service...

 2698 00:28:01.336356           Starting Journal Service...

 2699 00:28:01.342872  <6>[   14.160695] fuse: init (API version 7.32)

 2700 00:28:01.349379  <30>[   14.164146] systemd[1]: Starting Load Kernel Modules...

 2701 00:28:01.352913           Starting Load Kernel Modules...

 2702 00:28:01.363854  <30>[   14.178863] systemd[1]: Starting Remount Root and Kernel File Systems...

 2703 00:28:01.370387           Starting Remount Root and Kernel File Systems...

 2704 00:28:01.382128  <30>[   14.197024] systemd[1]: Starting Coldplug All udev Devices...

 2705 00:28:01.385472           Starting Coldplug All udev Devices...

 2706 00:28:01.394942  <30>[   14.213343] systemd[1]: Mounted Huge Pages File System.

 2707 00:28:01.401784  [  OK  ] Mounted Huge Pages File System.

 2708 00:28:01.413990  <30>[   14.228776] systemd[1]: Mounted POSIX Message Queue File System.

 2709 00:28:01.421171  [  OK  ] Mounted POSIX Message Queue File System.

 2710 00:28:01.427056  <30>[   14.244821] systemd[1]: Mounted Kernel Debug File System.

 2711 00:28:01.433682  [  OK  ] Mounted Kernel Debug File System.

 2712 00:28:01.442614  <30>[   14.260772] systemd[1]: Mounted Kernel Trace File System.

 2713 00:28:01.449065  [  OK  ] Mounted Kernel Trace File System.

 2714 00:28:01.462373  <30>[   14.277682] systemd[1]: Finished Create list of static device nodes for the current kernel.

 2715 00:28:01.472943  [  OK  ] Finished Create list of st… nodes for the current kernel.

 2716 00:28:01.483117  <30>[   14.298278] systemd[1]: modprobe@configfs.service: Succeeded.

 2717 00:28:01.490241  <30>[   14.305646] systemd[1]: Finished Load Kernel Module configfs.

 2718 00:28:01.496734  [  OK  ] Finished Load Kernel Module configfs.

 2719 00:28:01.504328  <30>[   14.322448] systemd[1]: modprobe@drm.service: Succeeded.

 2720 00:28:01.511851  <30>[   14.329447] systemd[1]: Finished Load Kernel Module drm.

 2721 00:28:01.518108  [  OK  ] Finished Load Kernel Module drm.

 2722 00:28:01.527575  <30>[   14.345428] systemd[1]: modprobe@fuse.service: Succeeded.

 2723 00:28:01.534859  <30>[   14.352547] systemd[1]: Finished Load Kernel Module fuse.

 2724 00:28:01.544018  [  OK  ] Finished Load Kernel Module fuse.

 2725 00:28:01.550711  <30>[   14.368276] systemd[1]: Finished Load Kernel Modules.

 2726 00:28:01.557273  [  OK  ] Finished Load Kernel Modules.

 2727 00:28:01.568236  <30>[   14.383161] systemd[1]: Finished Remount Root and Kernel File Systems.

 2728 00:28:01.575044  [  OK  ] Finished Remount Root and Kernel File Systems.

 2729 00:28:01.587796  <30>[   14.402669] systemd[1]: Mounting FUSE Control File System...

 2730 00:28:01.591089           Mounting FUSE Control File System...

 2731 00:28:01.603308  <30>[   14.417988] systemd[1]: Mounting Kernel Configuration File System...

 2732 00:28:01.609338           Mounting Kernel Configuration File System...

 2733 00:28:01.623803  <30>[   14.438815] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped.

 2734 00:28:01.637536  <30>[   14.448852] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped.

 2735 00:28:01.643604  <30>[   14.461117] systemd[1]: Starting Load/Save Random Seed...

 2736 00:28:01.650354           Starting Load/Save Random Seed...

 2737 00:28:01.657305  <30>[   14.474834] systemd[1]: Starting Apply Kernel Variables...

 2738 00:28:01.663856           Starting Apply Kernel Variables...

 2739 00:28:01.671520  <30>[   14.489383] systemd[1]: Starting Create System Users...

 2740 00:28:01.678201           Starting Create System Users...

 2741 00:28:01.685610  <30>[   14.503523] systemd[1]: Started Journal Service.

 2742 00:28:01.692124  [  OK  ] Started Journal Service.

 2743 00:28:01.701241  [  OK  ] Mounted FUSE Control File System.

 2744 00:28:01.713818  [  OK  ] Mounted Kernel Configuration File System.

 2745 00:28:01.721070  [  OK  ] Finished Load/Save Random Seed.

 2746 00:28:01.730775  [  OK  ] Finished Apply Kernel Variables.

 2747 00:28:01.746085           Starting Flush Journal to Persistent Storage...

 2748 00:28:01.779611  <46>[   14.594288] systemd-journald[206]: Received client request to flush runtime journal.

 2749 00:28:01.786359  [  OK  ] Finished Create System Users.

 2750 00:28:01.798357  [  OK  ] Finished Coldplug All udev Devices.

 2751 00:28:01.808698           Starting Create Static Device Nodes in /dev...

 2752 00:28:03.233020  [  OK  ] Finished Flush Journal to Persistent Storage.

 2753 00:28:03.248620  <6>[   16.062954] systemd-tmpfile (217) used greatest stack depth: 12384 bytes left

 2754 00:28:03.253998  [  OK  ] Finished Create Static Device Nodes in /dev.

 2755 00:28:03.266602  [  OK  ] Reached target Local File Systems (Pre).

 2756 00:28:03.275736  [  OK  ] Reached target Local File Systems.

 2757 00:28:03.287727           Starting Create Volatile Files and Directories...

 2758 00:28:03.303637           Starting Rule-based Manage…for Device Events and Files...

 2759 00:28:03.465950  [  OK  ] Started Rule-based Manager for Device Events and Files.

 2760 00:28:03.482710           Starting Network Service...

 2761 00:28:03.540893  [  OK  ] Finished Create Volatile Files and Directories.

 2762 00:28:03.555325           Starting Network Time Synchronization...

 2763 00:28:03.569676           Starting Update UTMP about System Boot/Shutdown...

 2764 00:28:03.975457  [  OK  ] Found device Sunrise Point-LP Serial IO UART Controller.

 2765 00:28:04.079609  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 2766 00:28:04.192447  [  OK  ] Created slice system-systemd\x2dbacklight.slice.

 2767 00:28:04.203164  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 2768 00:28:04.215033           Starting Load/Save Screen …f backlight:intel_backlight...

 2769 00:28:04.226344           Starting Load/Save Screen …eds:chromeos::kbd_backlight...

 2770 00:28:04.275935  [  OK  ] Started Network Service.

 2771 00:28:04.319730           Starting Network Name Resolution...

 2772 00:28:04.337436  [  OK  ] Finished Load/Save Screen … of backlight:intel_backlight.

 2773 00:28:04.348940  [  OK  ] Finished Load/Save Screen … leds:chromeos::kbd_backlight.

 2774 00:28:04.390881  [  OK  ] Started Network Time Synchronization.

 2775 00:28:04.401751  [  OK  ] Reached target System Initialization.

 2776 00:28:04.412168  [  OK  ] Started Daily Cleanup of Temporary Directories.

 2777 00:28:04.418018  [  OK  ] Reached target System Time Set.

 2778 00:28:04.429162  [  OK  ] Reached target System Time Synchronized.

 2779 00:28:04.446661  [  OK  ] Started Daily apt download activities.

 2780 00:28:04.458696  [  OK  ] Started Daily apt upgrade and clean activities.

 2781 00:28:04.470250  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 2782 00:28:04.483537  [  OK  ] Started Discard unused blocks once a week.

 2783 00:28:04.490435  [  OK  ] Reached target Timers.

 2784 00:28:04.500508  [  OK  ] Listening on D-Bus System Message Bus Socket.

 2785 00:28:04.506472  [  OK  ] Reached target Sockets.

 2786 00:28:04.513095  [  OK  ] Reached target Basic System.

 2787 00:28:04.528144  [  OK  ] Started D-Bus System Message Bus.

 2788 00:28:04.583209           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 2789 00:28:04.656187           Starting User Login Management...

 2790 00:28:05.011213  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 2791 00:28:05.241926  [  OK  ] Started User Login Management.

 2792 00:28:05.368970  [  OK  ] Started Network Name Resolution.

 2793 00:28:05.379135  [  OK  ] Reached target Network.

 2794 00:28:05.388958  [  OK  ] Reached target Host and Network Name Lookups.

 2795 00:28:05.397378           Starting Permit User Sessions...

 2796 00:28:05.435389  [  OK  ] Finished Permit User Sessions.

 2797 00:28:05.448609  [  OK  ] Started Getty on tty1.

 2798 00:28:05.459346  [  OK  ] Started Serial Getty on ttyS0.

 2799 00:28:05.469767  [  OK  ] Reached target Login Prompts.

 2800 00:28:05.481902  [  OK  ] Reached target Multi-User System.

 2801 00:28:05.493258  [  OK  ] Reached target Graphical Interface.

 2802 00:28:05.510726           Starting Update UTMP about System Runlevel Changes...

 2803 00:28:05.572593  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 2804 00:28:05.627295  

 2805 00:28:05.627840  

 2806 00:28:05.630276  Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0

 2807 00:28:05.630881  

 2808 00:28:05.636569  debian-bullseye-amd64 login: root (automatic login)

 2809 00:28:05.637049  

 2810 00:28:05.637387  

 2811 00:28:06.041324  Linux debian-bullseye-amd64 5.10.204-cip41 #1 SMP Thu Dec 14 00:09:38 UTC 2023 x86_64

 2812 00:28:06.041819  

 2813 00:28:06.048309  The programs included with the Debian GNU/Linux system are free software;

 2814 00:28:06.054706  the exact distribution terms for each program are described in the

 2815 00:28:06.061158  individual files in /usr/share/doc/*/copyright.

 2816 00:28:06.061632  

 2817 00:28:06.067900  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 2818 00:28:06.071553  permitted by applicable law.

 2819 00:28:06.807715  Matched prompt #10: / #
 2821 00:28:06.809111  Kernel warnings or errors detected.
 2822 00:28:06.809456  Setting prompt string to ['/ #']
 2823 00:28:06.809884  end: 2.2.5.1 login-action (duration 00:00:18) [common]
 2825 00:28:06.811077  end: 2.2.5 auto-login-action (duration 00:00:20) [common]
 2826 00:28:06.811541  start: 2.2.6 expect-shell-connection (timeout 00:04:08) [common]
 2827 00:28:06.811950  Setting prompt string to ['/ #']
 2828 00:28:06.812271  Forcing a shell prompt, looking for ['/ #']
 2830 00:28:06.863077  / # 

 2831 00:28:06.863770  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 2832 00:28:06.864198  Waiting using forced prompt support (timeout 00:02:30)
 2833 00:28:06.871853  

 2834 00:28:06.872686  end: 2.2.6 expect-shell-connection (duration 00:00:00) [common]
 2835 00:28:06.873213  start: 2.2.7 export-device-env (timeout 00:04:08) [common]
 2837 00:28:06.974436  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12264581/extract-nfsrootfs-cy_a_e9h'

 2838 00:28:06.980993  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12264581/extract-nfsrootfs-cy_a_e9h'

 2840 00:28:07.082669  / # export NFS_SERVER_IP='192.168.201.1'

 2841 00:28:07.088641  export NFS_SERVER_IP='192.168.201.1'

 2842 00:28:07.089515  end: 2.2.7 export-device-env (duration 00:00:00) [common]
 2843 00:28:07.090095  end: 2.2 depthcharge-retry (duration 00:00:53) [common]
 2844 00:28:07.090628  end: 2 depthcharge-action (duration 00:00:53) [common]
 2845 00:28:07.091135  start: 3 lava-test-retry (timeout 00:08:41) [common]
 2846 00:28:07.091615  start: 3.1 lava-test-shell (timeout 00:08:41) [common]
 2847 00:28:07.092196  Using namespace: common
 2849 00:28:07.193355  / # #

 2850 00:28:07.193990  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 2851 00:28:07.199972  #

 2852 00:28:07.201000  Using /lava-12264581
 2854 00:28:07.302193  / # export SHELL=/bin/bash

 2855 00:28:07.308556  export SHELL=/bin/bash

 2857 00:28:07.410365  / # . /lava-12264581/environment

 2858 00:28:07.417351  . /lava-12264581/environment

 2860 00:28:07.525629  / # /lava-12264581/bin/lava-test-runner /lava-12264581/0

 2861 00:28:07.526293  Test shell timeout: 10s (minimum of the action and connection timeout)
 2862 00:28:07.532122  /lava-12264581/bin/lava-test-runner /lava-12264581/0

 2863 00:28:07.952407  + export TESTRUN_ID=0_timesync-off

 2864 00:28:07.953030  + TESTRUN_ID=0_timesync-off

 2865 00:28:07.958875  + cd /lava-12264581/0/tests/0_timesync-off

 2866 00:28:07.959385  ++ cat uuid

 2867 00:28:07.974037  + UUID=12264581_1.5.2.3.1

 2868 00:28:07.976605  + set +x

 2869 00:28:07.980886  <LAVA_SIGNAL_STARTRUN 0_timesync-off 12264581_1.5.2.3.1>

 2870 00:28:07.981577  Received signal: <STARTRUN> 0_timesync-off 12264581_1.5.2.3.1
 2871 00:28:07.981963  Starting test lava.0_timesync-off (12264581_1.5.2.3.1)
 2872 00:28:07.982382  Skipping test definition patterns.
 2873 00:28:07.983346  + systemctl stop systemd-timesyncd

 2874 00:28:08.054006  + set +x

 2875 00:28:08.057502  <LAVA_SIGNAL_ENDRUN 0_timesync-off 12264581_1.5.2.3.1>

 2876 00:28:08.058325  Received signal: <ENDRUN> 0_timesync-off 12264581_1.5.2.3.1
 2877 00:28:08.058890  Ending use of test pattern.
 2878 00:28:08.059267  Ending test lava.0_timesync-off (12264581_1.5.2.3.1), duration 0.08
 2880 00:28:08.153980  + export TESTRUN_ID=1_kselftest-lkdtm

 2881 00:28:08.157206  + TESTRUN_ID=1_kselftest-lkdtm

 2882 00:28:08.160945  + cd /lava-12264581/0/tests/1_kselftest-lkdtm

 2883 00:28:08.161373  ++ cat uuid

 2884 00:28:08.178176  + UUID=12264581_1.5.2.3.5

 2885 00:28:08.180695  + set +x

 2886 00:28:08.184525  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 12264581_1.5.2.3.5>

 2887 00:28:08.185212  Received signal: <STARTRUN> 1_kselftest-lkdtm 12264581_1.5.2.3.5
 2888 00:28:08.185574  Starting test lava.1_kselftest-lkdtm (12264581_1.5.2.3.5)
 2889 00:28:08.186187  Skipping test definition patterns.
 2890 00:28:08.187768  + cd ./automated/linux/kselftest/

 2891 00:28:08.223746  + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-473-gc43d7b7bbe83a/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1

 2892 00:28:08.297718  INFO: install_deps skipped

 2893 00:28:08.437826  --2023-12-14 00:28:08--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-473-gc43d7b7bbe83a/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz

 2894 00:28:08.447737  Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82

 2895 00:28:08.569909  Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected.

 2896 00:28:08.699761  HTTP request sent, awaiting response... 200 OK

 2897 00:28:08.703137  Length: 3378312 (3.2M) [application/octet-stream]

 2898 00:28:08.706562  Saving to: 'kselftest.tar.xz'

 2899 00:28:08.707025  

 2900 00:28:08.707420  

 2901 00:28:08.957795  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               

 2902 00:28:09.217476  kselftest.tar.xz      1%[                    ]  49.22K   192KB/s               

 2903 00:28:09.475466  kselftest.tar.xz      6%[>                   ] 218.91K   425KB/s               

 2904 00:28:09.797328  kselftest.tar.xz     27%[====>               ] 897.66K  1.13MB/s               

 2905 00:28:09.881291  kselftest.tar.xz     41%[=======>            ]   1.34M  1.23MB/s               

 2906 00:28:09.887541  kselftest.tar.xz    100%[===================>]   3.22M  2.73MB/s    in 1.2s    

 2907 00:28:09.888057  

 2908 00:28:10.180329  2023-12-14 00:28:10 (2.73 MB/s) - 'kselftest.tar.xz' saved [3378312/3378312]

 2909 00:28:10.180503  

 2910 00:28:19.380094  skiplist:

 2911 00:28:19.383369  ========================================

 2912 00:28:19.386634  ========================================

 2913 00:28:19.459766  lkdtm:PANIC.sh

 2914 00:28:19.460296  lkdtm:BUG.sh

 2915 00:28:19.463059  lkdtm:WARNING.sh

 2916 00:28:19.466343  lkdtm:WARNING_MESSAGE.sh

 2917 00:28:19.466843  lkdtm:EXCEPTION.sh

 2918 00:28:19.469432  lkdtm:LOOP.sh

 2919 00:28:19.469897  lkdtm:EXHAUST_STACK.sh

 2920 00:28:19.473061  lkdtm:CORRUPT_STACK.sh

 2921 00:28:19.476704  lkdtm:CORRUPT_STACK_STRONG.sh

 2922 00:28:19.479520  lkdtm:CORRUPT_LIST_ADD.sh

 2923 00:28:19.483193  lkdtm:CORRUPT_LIST_DEL.sh

 2924 00:28:19.485986  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2925 00:28:19.489776  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2926 00:28:19.490266  lkdtm:UNSET_SMEP.sh

 2927 00:28:19.492810  lkdtm:DOUBLE_FAULT.sh

 2928 00:28:19.495801  lkdtm:CORRUPT_PAC.sh

 2929 00:28:19.499133  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2930 00:28:19.502381  lkdtm:OVERWRITE_ALLOCATION.sh

 2931 00:28:19.502801  lkdtm:WRITE_AFTER_FREE.sh

 2932 00:28:19.505972  lkdtm:READ_AFTER_FREE.sh

 2933 00:28:19.508953  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2934 00:28:19.512115  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2935 00:28:19.515883  lkdtm:SLAB_FREE_DOUBLE.sh

 2936 00:28:19.519000  lkdtm:SLAB_FREE_CROSS.sh

 2937 00:28:19.519422  lkdtm:SLAB_FREE_PAGE.sh

 2938 00:28:19.522091  lkdtm:SOFTLOCKUP.sh

 2939 00:28:19.525624  lkdtm:HARDLOCKUP.sh

 2940 00:28:19.526045  lkdtm:SPINLOCKUP.sh

 2941 00:28:19.528754  lkdtm:HUNG_TASK.sh

 2942 00:28:19.529201  lkdtm:EXEC_DATA.sh

 2943 00:28:19.531850  lkdtm:EXEC_STACK.sh

 2944 00:28:19.535299  lkdtm:EXEC_KMALLOC.sh

 2945 00:28:19.535811  lkdtm:EXEC_VMALLOC.sh

 2946 00:28:19.538825  lkdtm:EXEC_RODATA.sh

 2947 00:28:19.542010  lkdtm:EXEC_USERSPACE.sh

 2948 00:28:19.542482  lkdtm:EXEC_NULL.sh

 2949 00:28:19.544847  lkdtm:ACCESS_USERSPACE.sh

 2950 00:28:19.548808  lkdtm:ACCESS_NULL.sh

 2951 00:28:19.549235  lkdtm:WRITE_RO.sh

 2952 00:28:19.551549  lkdtm:WRITE_RO_AFTER_INIT.sh

 2953 00:28:19.554920  lkdtm:WRITE_KERN.sh

 2954 00:28:19.558569  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 2955 00:28:19.561542  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 2956 00:28:19.565361  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 2957 00:28:19.568130  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 2958 00:28:19.571491  lkdtm:REFCOUNT_DEC_ZERO.sh

 2959 00:28:19.574553  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 2960 00:28:19.577792  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 2961 00:28:19.581496  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 2962 00:28:19.584435  lkdtm:REFCOUNT_INC_ZERO.sh

 2963 00:28:19.588124  lkdtm:REFCOUNT_ADD_ZERO.sh

 2964 00:28:19.591283  lkdtm:REFCOUNT_INC_SATURATED.sh

 2965 00:28:19.595029  lkdtm:REFCOUNT_DEC_SATURATED.sh

 2966 00:28:19.598169  lkdtm:REFCOUNT_ADD_SATURATED.sh

 2967 00:28:19.600822  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 2968 00:28:19.607394  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 2969 00:28:19.611190  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 2970 00:28:19.614133  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 2971 00:28:19.617418  lkdtm:REFCOUNT_TIMING.sh

 2972 00:28:19.620552  lkdtm:ATOMIC_TIMING.sh

 2973 00:28:19.623958  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 2974 00:28:19.627546  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 2975 00:28:19.630504  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 2976 00:28:19.634097  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 2977 00:28:19.637605  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 2978 00:28:19.640871  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 2979 00:28:19.643488  lkdtm:USERCOPY_STACK_BEYOND.sh

 2980 00:28:19.647252  lkdtm:USERCOPY_KERNEL.sh

 2981 00:28:19.647813  lkdtm:STACKLEAK_ERASING.sh

 2982 00:28:19.650429  lkdtm:CFI_FORWARD_PROTO.sh

 2983 00:28:19.657123  ============== Tests to run ===============

 2984 00:28:19.657613  lkdtm:PANIC.sh

 2985 00:28:19.658104  lkdtm:BUG.sh

 2986 00:28:19.660135  lkdtm:WARNING.sh

 2987 00:28:19.663526  lkdtm:WARNING_MESSAGE.sh

 2988 00:28:19.664046  lkdtm:EXCEPTION.sh

 2989 00:28:19.666768  lkdtm:LOOP.sh

 2990 00:28:19.667254  lkdtm:EXHAUST_STACK.sh

 2991 00:28:19.669904  lkdtm:CORRUPT_STACK.sh

 2992 00:28:19.673842  lkdtm:CORRUPT_STACK_STRONG.sh

 2993 00:28:19.676873  lkdtm:CORRUPT_LIST_ADD.sh

 2994 00:28:19.680915  lkdtm:CORRUPT_LIST_DEL.sh

 2995 00:28:19.683311  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2996 00:28:19.686378  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2997 00:28:19.686849  lkdtm:UNSET_SMEP.sh

 2998 00:28:19.689764  lkdtm:DOUBLE_FAULT.sh

 2999 00:28:19.693604  lkdtm:CORRUPT_PAC.sh

 3000 00:28:19.696635  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 3001 00:28:19.700277  lkdtm:OVERWRITE_ALLOCATION.sh

 3002 00:28:19.700749  lkdtm:WRITE_AFTER_FREE.sh

 3003 00:28:19.703179  lkdtm:READ_AFTER_FREE.sh

 3004 00:28:19.706888  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 3005 00:28:19.709588  lkdtm:READ_BUDDY_AFTER_FREE.sh

 3006 00:28:19.713867  lkdtm:SLAB_FREE_DOUBLE.sh

 3007 00:28:19.716175  lkdtm:SLAB_FREE_CROSS.sh

 3008 00:28:19.716604  lkdtm:SLAB_FREE_PAGE.sh

 3009 00:28:19.719709  lkdtm:SOFTLOCKUP.sh

 3010 00:28:19.722692  lkdtm:HARDLOCKUP.sh

 3011 00:28:19.723123  lkdtm:SPINLOCKUP.sh

 3012 00:28:19.726470  lkdtm:HUNG_TASK.sh

 3013 00:28:19.726899  lkdtm:EXEC_DATA.sh

 3014 00:28:19.729692  lkdtm:EXEC_STACK.sh

 3015 00:28:19.732680  lkdtm:EXEC_KMALLOC.sh

 3016 00:28:19.733111  lkdtm:EXEC_VMALLOC.sh

 3017 00:28:19.735847  lkdtm:EXEC_RODATA.sh

 3018 00:28:19.739557  lkdtm:EXEC_USERSPACE.sh

 3019 00:28:19.740095  lkdtm:EXEC_NULL.sh

 3020 00:28:19.742853  lkdtm:ACCESS_USERSPACE.sh

 3021 00:28:19.745833  lkdtm:ACCESS_NULL.sh

 3022 00:28:19.746311  lkdtm:WRITE_RO.sh

 3023 00:28:19.749349  lkdtm:WRITE_RO_AFTER_INIT.sh

 3024 00:28:19.752973  lkdtm:WRITE_KERN.sh

 3025 00:28:19.756323  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 3026 00:28:19.759427  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 3027 00:28:19.762547  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3028 00:28:19.766321  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3029 00:28:19.769597  lkdtm:REFCOUNT_DEC_ZERO.sh

 3030 00:28:19.772253  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 3031 00:28:19.776090  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3032 00:28:19.778818  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 3033 00:28:19.781981  lkdtm:REFCOUNT_INC_ZERO.sh

 3034 00:28:19.786027  lkdtm:REFCOUNT_ADD_ZERO.sh

 3035 00:28:19.789119  lkdtm:REFCOUNT_INC_SATURATED.sh

 3036 00:28:19.792345  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3037 00:28:19.796154  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3038 00:28:19.799041  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3039 00:28:19.802415  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3040 00:28:19.808969  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3041 00:28:19.812238  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3042 00:28:19.815262  lkdtm:REFCOUNT_TIMING.sh

 3043 00:28:19.815738  lkdtm:ATOMIC_TIMING.sh

 3044 00:28:19.818661  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3045 00:28:19.822417  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3046 00:28:19.825472  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3047 00:28:19.831804  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3048 00:28:19.835378  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3049 00:28:19.838642  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3050 00:28:19.841622  lkdtm:USERCOPY_STACK_BEYOND.sh

 3051 00:28:19.842151  lkdtm:USERCOPY_KERNEL.sh

 3052 00:28:19.845388  lkdtm:STACKLEAK_ERASING.sh

 3053 00:28:19.848501  lkdtm:CFI_FORWARD_PROTO.sh

 3054 00:28:19.851762  ===========End Tests to run ===============

 3055 00:28:19.855548  shardfile-lkdtm pass

 3056 00:28:20.278793  <12>[   33.097197] kselftest: Running tests in lkdtm

 3057 00:28:20.290024  TAP version 13

 3058 00:28:20.302946  1..70

 3059 00:28:20.311329  # selftests: lkdtm: PANIC.sh

 3060 00:28:20.735848  # Skipping PANIC: crashes entire system

 3061 00:28:20.739352  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 3062 00:28:20.743738  # selftests: lkdtm: BUG.sh

 3063 00:28:20.847836  <6>[   33.665981] lkdtm: Performing direct entry BUG

 3064 00:28:20.854253  <4>[   33.671339] ------------[ cut here ]------------

 3065 00:28:20.860739  <2>[   33.676810] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3066 00:28:20.864283  <4>[   33.682964] invalid opcode: 0000 [#1] SMP PTI

 3067 00:28:20.874181  <4>[   33.688125] CPU: 3 PID: 641 Comm: cat Tainted: G        W         5.10.204-cip41 #1

 3068 00:28:20.881503  <4>[   33.696960] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3069 00:28:20.883986  <4>[   33.704057] RIP: 0010:lkdtm_BUG+0x5/0x10

 3070 00:28:20.907972  <4>[   33.708731] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 3071 00:28:20.913827  <4>[   33.729994] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 3072 00:28:20.920592  <4>[   33.736120] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 3073 00:28:20.930252  <4>[   33.744370] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 3074 00:28:20.937801  <4>[   33.752629] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 3075 00:28:20.947040  <4>[   33.760890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3076 00:28:20.953477  <4>[   33.769150] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 3077 00:28:20.963095  <4>[   33.777401] FS:  00007f1156506580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 3078 00:28:20.970197  <4>[   33.786731] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3079 00:28:20.979915  <4>[   33.793437] CR2: 00007f1156310000 CR3: 000000010599a002 CR4: 00000000003706e0

 3080 00:28:20.982800  <4>[   33.801698] Call Trace:

 3081 00:28:20.986724  <4>[   33.804708]  ? __die_body.cold+0x1a/0x1f

 3082 00:28:20.989515  <4>[   33.809385]  ? die+0x2b/0x50

 3083 00:28:20.993417  <4>[   33.812888]  ? do_trap+0x91/0x110

 3084 00:28:20.996260  <4>[   33.816878]  ? lkdtm_BUG+0x5/0x10

 3085 00:28:21.003242  <4>[   33.820869]  ? do_error_trap+0x90/0x110

 3086 00:28:21.006422  <4>[   33.825440]  ? lkdtm_BUG+0x5/0x10

 3087 00:28:21.009530  <4>[   33.829420]  ? lkdtm_BUG+0x5/0x10

 3088 00:28:21.016238  <4>[   33.833410]  ? exc_invalid_op+0x4e/0x70

 3089 00:28:21.019080  <4>[   33.837986]  ? lkdtm_BUG+0x5/0x10

 3090 00:28:21.022767  <4>[   33.841976]  ? asm_exc_invalid_op+0x12/0x20

 3091 00:28:21.029638  <4>[   33.846936]  ? direct_entry+0xe0/0xe0

 3092 00:28:21.032672  <4>[   33.851314]  ? lkdtm_BUG+0x5/0x10

 3093 00:28:21.035904  <4>[   33.855304]  direct_entry.cold+0x2c/0x38

 3094 00:28:21.042580  <4>[   33.859975]  full_proxy_write+0x53/0x80

 3095 00:28:21.045889  <4>[   33.864553]  vfs_write+0xe7/0x3b0

 3096 00:28:21.049378  <4>[   33.868542]  ksys_write+0x68/0xf0

 3097 00:28:21.052280  <4>[   33.872540]  do_syscall_64+0x30/0x40

 3098 00:28:21.059364  <4>[   33.876821]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3099 00:28:21.062348  <4>[   33.882753] RIP: 0033:0x7f115641c473

 3100 00:28:21.086278  <4>[   33.887034] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3101 00:28:21.095273  <4>[   33.908309] RSP: 002b:00007fffbba4b618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3102 00:28:21.101901  <4>[   33.917055] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f115641c473

 3103 00:28:21.111849  <4>[   33.925315] RDX: 0000000000000004 RSI: 00007f1156310000 RDI: 0000000000000001

 3104 00:28:21.118071  <4>[   33.933575] RBP: 00007f1156310000 R08: 00007f115630f010 R09: 0000000000000000

 3105 00:28:21.127886  <4>[   33.941835] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3106 00:28:21.134925  <4>[   33.950096] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3107 00:28:21.187386  <4>[   33.958352] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3108 00:28:21.194752  <0>[   34.013031] gsmi: Log Shutdown Reason 0x03

 3109 00:28:21.201386  <4>[   34.017912] ---[ end trace 74b841559c2f92fc ]---

 3110 00:28:21.204778  <4>[   34.023370] RIP: 0010:lkdtm_BUG+0x5/0x10

 3111 00:28:21.224217  <4>[   34.028047] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 3112 00:28:21.230821  <4>[   34.049327] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 3113 00:28:21.240937  <4>[   34.055462] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 3114 00:28:21.247371  <4>[   34.063731] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 3115 00:28:21.257332  <4>[   34.072003] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 3116 00:28:21.264097  <4>[   34.080274] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3117 00:28:21.274122  <4>[   34.088546] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 3118 00:28:21.283551  <4>[   34.096816] FS:  00007f1156506580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 3119 00:28:21.290573  <4>[   34.106164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3120 00:28:21.296879  <4>[   34.112886] CR2: 00007f1156310000 CR3: 000000010599a002 CR4: 00000000003706e0

 3121 00:28:21.300577  # Segmentation fault

 3122 00:28:21.324149  # [   33.665981] lkdtm: Performing direct entry BUG

 3123 00:28:21.331232  # [   33.671339] ------------[ cut here ]------------

 3124 00:28:21.334050  # [   33.676810] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3125 00:28:21.340839  # [   33.682964] invalid opcode: 0000 [#1] SMP PTI

 3126 00:28:21.350723  # [   33.688125] CPU: 3 PID: 641 Comm: cat Tainted: G        W         5.10.204-cip41 #1

 3127 00:28:21.357346  # [   33.696960] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3128 00:28:21.360954  # [   33.704057] RIP: 0010:lkdtm_BUG+0x5/0x10

 3129 00:28:21.383973  # [   33.708731] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 3130 00:28:21.387013  # [   33.729994] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 3131 00:28:21.396991  # [   33.736120] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 3132 00:28:21.403269  # [   33.744370] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 3133 00:28:21.416928  # [   33.752629] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: <6>[   34.229449] lkdtm: Performing direct entry WARNING

 3134 00:28:21.423291  <4>[   34.240264] ------------[ cut here ]------------

 3135 00:28:21.433843  <4>[   34.245727] WARNING: CPU: 2 PID: 679 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3136 00:28:21.434452  0000000000000001

 3137 00:28:21.492726  # [   33.760890] R10: 00000000ffffe000 R11: 3f<4>[   34.255458] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3138 00:28:21.499208  <4>[   34.314451] CPU: 2 PID: 679 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3139 00:28:21.502128  ffffffffffffff R12: 0000000000000004

 3140 00:28:21.512165  # [   33.769150] R13: ffff<4>[   34.323326] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3141 00:28:21.519191  a86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 3142 00:28:21.525365  # [   <4>[   34.336642] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3143 00:28:21.545300  <4>[   34.348013] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 91 7f

 3144 00:28:21.551722  <4>[   34.369323] RSP: 0018:ffffa86a813efe60 EFLAGS: 00010202

 3145 00:28:21.561501  <4>[   34.375493] RAX: ffffffff8897bd50 RBX: 0000000000000002 RCX: 0000000000000000

 3146 00:28:21.568158  <4>[   34.383763] RDX: 0000000000000000 RSI: ffff9023bad1bf50 RDI: ffffffff89af84c0

 3147 00:28:21.577791  <4>[   34.392061] RBP: ffffffff89f8289f R08: 0000000000000000 R09: 0000000000000000

 3148 00:28:21.584240  <4>[   34.400348] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3149 00:28:21.594545  <4>[   34.408612] R13: ffffa86a813eff10 R14: ffffa86a813eff10 R15: ffff9023458eb000

 3150 00:28:21.604480  <4>[   34.416877] FS:  00007f400b143580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 3151 00:28:21.610867  <4>[   34.426210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3152 00:28:21.617459  <4>[   34.432919] CR2: 00007f400af4d000 CR3: 000000010295c003 CR4: 00000000003706e0

 3153 00:28:21.621034  <4>[   34.441183] Call Trace:

 3154 00:28:21.624459  <4>[   34.444224]  ? __warn+0x80/0x110

 3155 00:28:21.637368  33.777401] FS:  00007f1156506580(0000) GS:ffff9023bad80000(0000)<4>[   34.448128]  ? lkdtm_WARNING+0x13/0x20

 3156 00:28:21.640004  <4>[   34.458818]  ? report_bug+0x9e/0xc0

 3157 00:28:21.643719  <4>[   34.463031]  ? handle_bug+0x41/0x90

 3158 00:28:21.647250  <4>[   34.467246]  ? exc_invalid_op+0x14/0x70

 3159 00:28:21.653888  <4>[   34.471822]  ? asm_exc_invalid_op+0x12/0x20

 3160 00:28:21.656616  <4>[   34.476787]  ? lkdtm_BUG+0x10/0x10

 3161 00:28:21.663610  <4>[   34.480899]  ? lkdtm_WARNING+0x13/0x20

 3162 00:28:21.666959  <4>[   34.485402]  direct_entry.cold+0x2c/0x38

 3163 00:28:21.669902  <4>[   34.490100]  full_proxy_write+0x53/0x80

 3164 00:28:21.676277  <4>[   34.494707]  vfs_write+0xe7/0x3b0

 3165 00:28:21.679878  <4>[   34.498721]  ksys_write+0x68/0xf0

 3166 00:28:21.682912  <4>[   34.502715]  do_syscall_64+0x30/0x40

 3167 00:28:21.690192  <4>[   34.507022]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3168 00:28:21.692911  <4>[   34.512955] RIP: 0033:0x7f400b059473

 3169 00:28:21.716171  <4>[   34.517262] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3170 00:28:21.722721  <4>[   34.538540] RSP: 002b:00007ffc3fe875d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3171 00:28:21.732511  <4>[   34.547291] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f400b059473

 3172 00:28:21.739424  <4>[   34.555555] RDX: 0000000000000008 RSI: 00007f400af4d000 RDI: 0000000000000001

 3173 00:28:21.749380  <4>[   34.563819] RBP: 00007f400af4d000 R08: 00007f400af4c010 R09: 0000000000000000

 3174 00:28:21.756437  <4>[   34.572082] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3175 00:28:21.765508  <4>[   34.580345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3176 00:28:21.768627  <4>[   34.588630] irq event stamp: 0

 3177 00:28:21.771906   knlGS:0000000000000000

 3178 00:28:21.782684  # [   33.786731] CS:  0010 DS: 0000 ES:<4>[   34.592338] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3179 00:28:21.785908   0000 CR0: 0000000080050033

 3180 00:28:21.798369  # [   33.793437] CR2: 00007f1156310<4>[   34.605841] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3181 00:28:21.808293  <4>[   34.621493] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3182 00:28:21.811621  000 CR3: 000000010599a002 CR4: 00000000003706e0

 3183 00:28:21.821667  # [   33.801698<4>[   34.630930] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3184 00:28:21.824998  <4>[   34.644432] ---[ end trace 74b841559c2f92fd ]---

 3185 00:28:21.828172  ] Call Trace:

 3186 00:28:21.831742  # [   33.804708]  ? __die_body.cold+0x1a/0x1f

 3187 00:28:21.835028  # [   33.809385]  ? die+0x2b/0x50

 3188 00:28:21.841472  # [   33.812888]  ? do_trap+0x91/0x110

 3189 00:28:21.844799  # [   33.816878]  ? lkdtm_BUG+0x5/0x10

 3190 00:28:21.847890  # [   33.820869]  ? do_error_trap+0x90/0x110

 3191 00:28:21.851271  # [   33.825440]  ? lkdtm_BUG+0x5/0x10

 3192 00:28:21.854374  # [   33.829420]  ? lkdtm_BUG+0x5/0x10

 3193 00:28:21.861396  # [   33.833410]  ? exc_invalid_op+0x4e/0x70

 3194 00:28:21.864397  # [   33.837986]  ? lkdtm_BUG+0x5/0x10

 3195 00:28:21.867865  # [   33.841976]  ? asm_exc_invalid_op+0x12/0x20

 3196 00:28:21.874167  # [   33.846936]  ? direct_entry+0xe0/0xe0

 3197 00:28:21.877525  # [   33.851314]  ? lkdtm_BUG+0x5/0x10

 3198 00:28:21.881168  # [   33.855304]  direct_entry.cold+0x2c/0x38

 3199 00:28:21.887332  # [   33.859975]  full_proxy_write+0x53/0x80

 3200 00:28:21.890334  # [   33.864553]  vfs_write+0xe7/0x3b0

 3201 00:28:21.893684  # [   33.868542]  ksys_write+0x68/0xf0

 3202 00:28:21.897281  # [   33.872540]  do_syscall_64+0x30/0x40

 3203 00:28:21.903958  # [   33.876821]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3204 00:28:21.907526  # [   33.882753] RIP: 0033:0x7f115641c473

 3205 00:28:21.927310  # [   33.887034] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85<6>[   34.741101] lkdtm: Performing direct entry WARNING_MESSAGE

 3206 00:28:21.936800   c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1<4>[   34.749570] ------------[ cut here ]------------

 3207 00:28:21.940434  f 40 00 48 83 ec 28 48 89 54 24 18

 3208 00:28:21.951082  # [   33.908309] RSP: 002b:0<4>[   34.761234] Warning message trigger count: 2

 3209 00:28:21.953988  0007fffbba4b618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3210 00:28:21.966640  # [<4>[   34.772539] WARNING: CPU: 1 PID: 715 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3211 00:28:22.026358     33.917055] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0<4>[   34.789224] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3212 00:28:22.026961  0007f115641c473

 3213 00:28:22.039207  # [   33.925315] RDX: 0000000000000004 RSI: 000<4>[   34.848187] CPU: 1 PID: 715 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3214 00:28:22.042587  07f1156310000 RDI: 0000000000000001

 3215 00:28:22.052410  # [   33.933575] RBP: 00007<4>[   34.863248] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3216 00:28:22.058822  f1156310000 R08: 00007f115630f010 R09: 0000000000000000

 3217 00:28:22.065956  # [   3<4>[   34.876566] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3218 00:28:22.092360  3.941835] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000<4>[   34.888733] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 91 7f 0b 03 48 c7 c7 00 2e f8 89 8d 70 01 89 35 81 7f 0b 03 e8 5a b9 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3219 00:28:22.095402  00000000001

 3220 00:28:22.105735  # [   33.950096] R13: 0000000000000001 R14: 0000000<4>[   34.916235] RSP: 0018:ffffa86a81487e60 EFLAGS: 00010286

 3221 00:28:22.115685  <4>[   34.928576] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3222 00:28:22.116270  000020000 R15: 0000000000020000

 3223 00:28:22.128465  # [   33.958352] Modules linked<4>[   34.936865] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50

 3224 00:28:22.141267   in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_se<4>[   34.951320] RBP: ffffffff89f828a7 R08: 0000000000000000 R09: 0000000000000000

 3225 00:28:22.152004  <4>[   34.965798] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3226 00:28:22.164396  nsors_core industrialio_triggered_buffer kfifo_buf industrialio <4>[   34.974063] R13: ffffa86a81487f10 R14: ffffa86a81487f10 R15: ffff902343b64000

 3227 00:28:22.174942  <4>[   34.988539] FS:  00007f0a4ddb9580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 3228 00:28:22.187820  snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uv<4>[   34.997873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3229 00:28:22.194965  <4>[   35.010794] CR2: 00007f0a4dbc3000 CR3: 00000001045a8003 CR4: 00000000003706e0

 3230 00:28:22.204341  cvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_<4>[   35.019061] Call Trace:

 3231 00:28:22.214144  ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core sn<4>[   35.028312]  ? __warn+0x80/0x110

 3232 00:28:22.220922  <4>[   35.038402]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3233 00:28:22.230758  d_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev <4>[   35.043659]  ? report_bug+0x9e/0xc0

 3234 00:28:22.240391  snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd<4>[   35.054053]  ? handle_bug+0x41/0x90

 3235 00:28:22.247212  _notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3236 00:28:22.251280  #<4>[   35.064456]  ? exc_invalid_op+0x14/0x70

 3237 00:28:22.257037  <4>[   35.075245]  ? asm_exc_invalid_op+0x12/0x20

 3238 00:28:22.260292   [   34.013031] gsmi: Log Shutdown Reason 0x03

 3239 00:28:22.267727  # [   34.017912]<4>[   35.080214]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3240 00:28:22.273640   ---[ end trace 74b841559c2f92fc ]---

 3241 00:28:22.280440  # [   34.023370] RIP: 001<4>[   35.091675]  direct_entry.cold+0x2c/0x38

 3242 00:28:22.280909  0:lkdtm_BUG+0x5/0x10

 3243 00:28:22.290259  # [   34.028047] Code: 89 ff e8 be d5 79 f<4>[   35.102565]  full_proxy_write+0x53/0x80

 3244 00:28:22.300540  f 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc<4>[   35.113355]  vfs_write+0xe7/0x3b0

 3245 00:28:22.310010   48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 0<4>[   35.123562]  ksys_write+0x68/0xf0

 3246 00:28:22.317252  0 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 3247 00:28:22.320102  # [   34.049327]<4>[   35.133770]  do_syscall_64+0x30/0x40

 3248 00:28:22.326729  <4>[   35.144269]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3249 00:28:22.330379   RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 3250 00:28:22.336533  # [   34.055462] R<4>[   35.150204] RIP: 0033:0x7f0a4dccf473

 3251 00:28:22.366599  AX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000<4>[   35.160699] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3252 00:28:22.367185  

 3253 00:28:22.379475  # [   34.063731] RDX: 0000000000000000 RSI: ffff9023bad9bf50 R<4>[   35.188192] RSP: 002b:00007ffdd7b70fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3254 00:28:22.382686  DI: ffffffff89af84b0

 3255 00:28:22.395781  # [   34.072003] RBP: ffffffff89fe8c28 R08<4>[   35.203159] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0a4dccf473

 3256 00:28:22.399396  : 0000000000000001 R09: 0000000000000001

 3257 00:28:22.409060  # [   34.080274] R10: <4>[   35.217640] RDX: 0000000000000010 RSI: 00007f0a4dbc3000 RDI: 0000000000000001

 3258 00:28:22.415427  00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3259 00:28:22.422514  # <4>[   35.232122] RBP: 00007f0a4dbc3000 R08: 00007f0a4dbc2010 R09: 0000000000000000

 3260 00:28:22.439094  [   34.088546] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: <4>[   35.246605] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3261 00:28:22.439706  ffff902343e7b000

 3262 00:28:22.451837  # [   34.096816] FS:  00007f1156506580(0000) G<4>[   35.261085] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3263 00:28:22.458400  S:ffff9023bad80000(0000) knlGS:0000000000000000

 3264 00:28:22.461842  # [   34.106164<4>[   35.275572] irq event stamp: 0

 3265 00:28:22.468261  ] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3266 00:28:22.474935  # [   34.11<4>[   35.285483] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3267 00:28:22.491588  2886] CR2: 00007f1156310000 CR3: 000000010599a002 CR4: 000000000<4>[   35.298993] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3268 00:28:22.492208  03706e0

 3269 00:28:22.495163  # BUG: saw 'kernel BUG at': ok

 3270 00:28:22.508516  ok 2 selftests: lkdtm: <4>[   35.314638] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3271 00:28:22.509104  BUG.sh

 3272 00:28:22.511544  # selftests: lkdtm: WARNING.sh

 3273 00:28:22.521679  # [   34.229449] lkdtm: <4>[   35.330286] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3274 00:28:22.524840  Performing direct entry WARNING

 3275 00:28:22.531572  # [   34.240264] ------------[ <4>[   35.343795] ---[ end trace 74b841559c2f92fe ]---

 3276 00:28:22.534107  cut here ]------------

 3277 00:28:22.544216  # [   34.245727] WARNING: CPU: 2 PID: 679 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3278 00:28:22.597207  # [   34.255458] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3279 00:28:22.607097  # [   34.314451] CPU: 2 PID: 679 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3280 00:28:22.613541  # [   34.323326] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3281 00:28:22.617078  # [   34.336642] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3282 00:28:22.630605  # [   34.348013] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 0<6>[   35.448726] lkdtm: Performing direct entry EXCEPTION

 3283 00:28:22.646508  0 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 01 75 05 c3 cc cc cc<1>[   35.454836] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3284 00:28:22.653606  <1>[   35.469110] #PF: supervisor write access in kernel mode

 3285 00:28:22.656739  <1>[   35.475234] #PF: error_code(0x0002) - not-present page

 3286 00:28:22.659447  <6>[   35.481260] PGD 0 P4D 0 

 3287 00:28:22.666492  <4>[   35.484376] Oops: 0002 [#2] SMP PTI

 3288 00:28:22.672698  <4>[   35.488558] CPU: 1 PID: 748 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3289 00:28:22.679605  <4>[   35.497400] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3290 00:28:22.685979  <4>[   35.504498] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3291 00:28:22.712537   cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 0<4>[   35.509750] Code: 48 c7 c7 00 2e f8 89 8d 70 01 89 35 81 7f 0b 03 e8 5a b9 69 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <c7> 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84

 3292 00:28:22.719373  <4>[   35.537236] RSP: 0018:ffffa86a8150fe60 EFLAGS: 00010286

 3293 00:28:22.729451  <4>[   35.543361] RAX: ffffffff8897bda0 RBX: 0000000000000004 RCX: 0000000000000000

 3294 00:28:22.735899  <4>[   35.551622] RDX: 0000000000000000 RSI: ffff9023bac9bf50 RDI: ffffffff89af84e0

 3295 00:28:22.745923  <4>[   35.559882] RBP: ffffffff89e7650f R08: 0000000000000000 R09: 0000000000000000

 3296 00:28:22.752378  <4>[   35.568143] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3297 00:28:22.762706  <4>[   35.576405] R13: ffffa86a8150ff10 R14: ffffa86a8150ff10 R15: ffff902343898000

 3298 00:28:22.772510  <4>[   35.584667] FS:  00007f17f1deb580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 3299 00:28:22.779311  <4>[   35.593988] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3300 00:28:22.785407  <4>[   35.600695] CR2: 0000000000000000 CR3: 0000000106110001 CR4: 00000000003706e0

 3301 00:28:22.788280  <4>[   35.608955] Call Trace:

 3302 00:28:22.788815  5 91 7f

 3303 00:28:22.798135  # [   34.369323] RSP: 0018:ffffa86a813efe60 EFLAGS: 000<4>[   35.611978]  ? __die_body.cold+0x1a/0x1f

 3304 00:28:22.801849  10<202

 3305 00:28:22.811372  # [   34.375493] RAX: ffffffff8897bd50 RBX: 00000000000004>[   35.622864]  ? no_context+0x177/0x380

 3306 00:28:22.811892  00<2 RCX: 0000000000000000

 3307 00:28:22.821829  # [   34.383763] RDX: 0000000000000004>[   35.633461]  ? exc_page_fault+0x53/0x170

 3308 00:28:22.825048  <4>[   35.644347]  ? asm_exc_page_fault+0x1e/0x30

 3309 00:28:22.831023  <4>[   35.649309]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3310 00:28:22.834685  <4>[   35.654564]  ? lkdtm_EXCEPTION+0x5/0x20

 3311 00:28:22.841063  <4>[   35.659136]  direct_entry.cold+0x2c/0x38

 3312 00:28:22.844499  <4>[   35.663797]  full_proxy_write+0x53/0x80

 3313 00:28:22.850710  0 RSI: ffff9023bad1bf50 RDI: ffffffff89af84c0

 3314 00:28:22.854690  # [   34.392061] <4>[   35.668371]  vfs_write+0xe7/0x3b0

 3315 00:28:22.857400  <4>[   35.678572]  ksys_write+0x68/0xf0

 3316 00:28:22.864170  <4>[   35.682561]  do_syscall_64+0x30/0x40

 3317 00:28:22.870776  <4>[   35.686843]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3318 00:28:22.873867  <4>[   35.692775] RIP: 0033:0x7f17f1d01473

 3319 00:28:22.894122  <4>[   35.697056] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3320 00:28:22.903855  <4>[   35.718322] RSP: 002b:00007ffc1a942de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3321 00:28:22.910885  <4>[   35.727070] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f17f1d01473

 3322 00:28:22.920395  <4>[   35.735331] RDX: 000000000000000a RSI: 00007f17f1bf5000 RDI: 0000000000000001

 3323 00:28:22.926994  <4>[   35.743591] RBP: 00007f17f1bf5000 R08: 00007f17f1bf4010 R09: 0000000000000000

 3324 00:28:22.936949  <4>[   35.751852] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3325 00:28:22.943702  <4>[   35.760106] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3326 00:28:23.002946  RBP: ffffffff89f8289f R08: 0000000000000000 R09: 000000000000000<4>[   35.768370] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3327 00:28:23.009601  <4>[   35.827333] CR2: 0000000000000000

 3328 00:28:23.012556  <4>[   35.831323] ---[ end trace 74b841559c2f92ff ]---

 3329 00:28:23.019746  <4>[   35.836759] RIP: 0010:lkdtm_BUG+0x5/0x10

 3330 00:28:23.039295  <4>[   35.841418] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 3331 00:28:23.045476  <4>[   35.862693] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 3332 00:28:23.052574  <4>[   35.868817] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 3333 00:28:23.062190  <4>[   35.877078] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 3334 00:28:23.069290  <4>[   35.885339] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 3335 00:28:23.078846  <4>[   35.893602] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3336 00:28:23.084976  <4>[   35.901863] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 3337 00:28:23.095008  <4>[   35.910125] FS:  00007f17f1deb580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 3338 00:28:23.101570  <4>[   35.919453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3339 00:28:23.111787  <4>[   35.926154] CR2: 0000000000000000 CR3: 0000000106110001 CR4: 00000000003706e0

 3340 00:28:23.121804  <3>[   35.934414] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3341 00:28:23.131575  <3>[   35.944617] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 748, name: cat

 3342 00:28:23.134728  <4>[   35.953265] INFO: lockdep is turned off.

 3343 00:28:23.138406  <4>[   35.957931] irq event stamp: 0

 3344 00:28:23.144482  <4>[   35.961628] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3345 00:28:23.154918  <4>[   35.968918] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3346 00:28:23.164840  <4>[   35.978345] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3347 00:28:23.171055  <4>[   35.987764] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3348 00:28:23.181110  <4>[   35.995053] CPU: 1 PID: 748 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3349 00:28:23.187397  <4>[   36.003896] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3350 00:28:23.191340  <4>[   36.010991] Call Trace:

 3351 00:28:23.193861  <4>[   36.014009]  dump_stack+0x77/0x9b

 3352 00:28:23.194331  0

 3353 00:28:23.207431  # [   34.400348] R10: 00000000ffffe000 R11: 3fffffffffffffff <4>[   36.018001]  ___might_sleep.cold+0xa6/0xb6

 3354 00:28:23.210661  <4>[   36.029076]  exit_signals+0x1c/0x300

 3355 00:28:23.213623  <4>[   36.033359]  do_exit+0xc2/0xab0

 3356 00:28:23.217138  <4>[   36.037153]  ? ksys_write+0x68/0xf0

 3357 00:28:23.223870  <4>[   36.041338]  make_task_dead+0x2f/0x30

 3358 00:28:23.227947  <4>[   36.045715]  rewind_stack_and_make_dead+0x17/0x20

 3359 00:28:23.233625  <4>[   36.051249] RIP: 0033:0x7f17f1d01473

 3360 00:28:23.253414  <4>[   36.055535] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3361 00:28:23.256676  R12: 0000000000000008

 3362 00:28:23.269901  # [   34.408612] R13: ffffa86a813eff10 R1<4>[   36.076815] RSP: 002b:00007ffc1a942de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3363 00:28:23.276406  <4>[   36.091777] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f17f1d01473

 3364 00:28:23.286830  <4>[   36.100036] RDX: 000000000000000a RSI: 00007f17f1bf5000 RDI: 0000000000000001

 3365 00:28:23.293390  <4>[   36.108296] RBP: 00007f17f1bf5000 R08: 00007f17f1bf4010 R09: 0000000000000000

 3366 00:28:23.303412  <4>[   36.116558] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3367 00:28:23.309224  <4>[   36.124817] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3368 00:28:23.312691  4: ffffa86a813eff10 R15: ffff9023458eb000

 3369 00:28:23.322416  # [   34.416877] FS:  00007f400b143580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 3370 00:28:23.329179  # [   34.426210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3371 00:28:23.338894  # [   34.432919] CR2: 00007f400af4d000 CR3: 000000010295c003 CR4: 00000000003706e0

 3372 00:28:23.339493  # [   34.441183] Call Trace:

 3373 00:28:23.345661  # [   34.444224]  ? __warn+0x80/0x110

 3374 00:28:23.349277  # [   34.448128]  ? lkdtm_WARNING+0x13/0x20

 3375 00:28:23.352235  # [   34.458818]  ? report_bug+0x9e/0xc0

 3376 00:28:23.355729  # [   34.463031]  ? handle_bug+0x41/0x90

 3377 00:28:23.362325  # [   34.467246]  ? exc_invalid_op+0x14/0x70

 3378 00:28:23.365541  # [   34.471822]  ? asm_exc_invalid_op+0x12/0x20

 3379 00:28:23.369100  # [   34.476787]  ? lkdtm_BUG+0x10/0x10

 3380 00:28:23.375253  # [   34.480899]  ? lkdtm_WARNING+0x13/0x20

 3381 00:28:23.378917  # [   34.485402]  direct_entry.cold+0x2c/0x38

 3382 00:28:23.386341  # [   34.490100]  full_proxy_write+0x53/0x80

 3383 00:28:23.388753  # [   34.494707]  vfs_write+0xe7/0x3b0

 3384 00:28:23.391888  # [   34.498721]  ksys_write+0x68/0xf0

 3385 00:28:23.395207  # [   34.502715]  do_syscall_64+0x30/0x40

 3386 00:28:23.401911  # [   34.507022]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3387 00:28:23.405180  # [   34.512955] RIP: 0033:0x7f400b059473

 3388 00:28:23.428281  # [   34.517262] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3389 00:28:23.434408  # [   34.538540] RSP: 002b:00007ffc3fe875d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3390 00:28:23.444657  # [   34.547291] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f400b059473

 3391 00:28:23.451135  # [   34.555555] RDX: 0000000000000008 RSI: 00007f400af4d000 RDI: 0000000000000001

 3392 00:28:23.461192  # [   34.563819] RBP: 00007f400af4d000 R08: 00007f400af4c010 R09: 0000000000000000

 3393 00:28:23.467446  # [   34.572082] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3394 00:28:23.477435  # [   34.580345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3395 00:28:23.480838  # [   34.588630] irq event stamp: 0

 3396 00:28:23.487717  # [   34.592338] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3397 00:28:23.497690  # [   34.605841] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3398 00:28:23.504637  # [   34.621493] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3399 00:28:23.513487  # [   34.630930] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3400 00:28:23.516631  # [   34.644432] ---[ end trace 74b841559c2f92fd ]---

 3401 00:28:23.520260  # WARNING: saw 'WARNING:': ok

 3402 00:28:23.523421  ok 3 selftests: lkdtm: WARNING.sh

 3403 00:28:23.527173  # selftests: lkdtm: WARNING_MESSAGE.sh

 3404 00:28:23.533475  # [   34.741101] lkdtm: Performing direct entry WARNING_MESSAGE

 3405 00:28:23.540085  # [   34.749570] ------------[ cut here ]------------

 3406 00:28:23.543934  # [   34.761234] Warning message trigger count: 2

 3407 00:28:23.556937  # [   34.772539] WARNING: CPU: 1 PID: 715 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3408 00:28:23.596232  # [   34.789224] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core<6>[   36.406666] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3409 00:28:23.606291   snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_d<6>[   36.419277] lkdtm: attempting good list addition

 3410 00:28:23.619697  ev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_us<6>[   36.430946] lkdtm: attempting corrupted list addition

 3411 00:28:23.632579  bpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table<3>[   36.443095] lkdtm: list_add() corruption not detected!

 3412 00:28:23.633343  

 3413 00:28:23.639273  # [   34.848187] CPU: 1 PID: 715 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3414 00:28:23.649421  # [   34.863248] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3415 00:28:23.652509  # [   34.876566] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3416 00:28:23.675686  # [   34.888733] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 91 7f 0b 03 48 c7 c7 00 2e f8 89 8d 70 01 89 35 81 7f 0b 03 e8 5a b9 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3417 00:28:23.682387  # [   34.916235] RSP: 0018:ffffa86a81487e60 EFLAGS: 00010286

 3418 00:28:23.688716  # [   34.928576] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3419 00:28:23.695470  # [   34.936865] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50

 3420 00:28:23.705617  # [   34.951320] RBP: ffffffff89f828a7 R08: 0000000000000000 R09: 0000000000000000

 3421 00:28:23.712378  # [   34.965798] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3422 00:28:23.722135  # [   34.974063] R13: ffffa86a81487f10 R14: ffffa86a81487f10 R15: ffff902343b64000

 3423 00:28:23.731550  # [   34.988539] FS:  00007f0a4ddb9580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 3424 00:28:23.738332  # [   34.997873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3425 00:28:23.744755  # [   35.010794] CR2: 00007f0a4dbc3000 CR3: 00000001045a8003 CR4: 00000000003706e0

 3426 00:28:23.748115  # [   35.019061] Call Trace:

 3427 00:28:23.751701  # [   35.028312]  ? __warn+0x80/0x110

 3428 00:28:23.758126  # [   35.038402]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3429 00:28:23.761340  # [   35.043659]  ? report_bug+0x9e/0xc0

 3430 00:28:23.764524  # [   35.054053]  ? handle_bug+0x41/0x90

 3431 00:28:23.774937  # [   35.064456]  ? exc_invalid<6>[   36.586612] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3432 00:28:23.778056  _op+0x14/0x70

 3433 00:28:23.781228  # [   35.075245]  ? asm_exc_invalid_op+0x12/0x20

 3434 00:28:23.787759  <6>[   36.598622] lkdtm: attempting good list removal

 3435 00:28:23.788263  

 3436 00:28:23.791422  # [   35.080214]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3437 00:28:23.797813  # [   35.0<6>[   36.610194] lkdtm: attempting corrupted list removal

 3438 00:28:23.801530  91675]  direct_entry.cold+0x2c/0x38

 3439 00:28:23.811456  # [   35.102565]  full_prox<3>[   36.622241] lkdtm: list_del() corruption not detected!

 3440 00:28:23.814641  y_write+0x53/0x80

 3441 00:28:23.819025  # [   35.113355]  vfs_write+0xe7/0x3b0

 3442 00:28:23.820987  # [   35.123562]  ksys_write+0x68/0xf0

 3443 00:28:23.824734  # [   35.133770]  do_syscall_64+0x30/0x40

 3444 00:28:23.830995  # [   35.144269]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3445 00:28:23.834601  # [   35.150204] RIP: 0033:0x7f0a4dccf473

 3446 00:28:23.857452  # [   35.160699] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3447 00:28:23.863854  # [   35.188192] RSP: 002b:00007ffdd7b70fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3448 00:28:23.873869  # [   35.203159] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0a4dccf473

 3449 00:28:23.881130  # [   35.217640] RDX: 0000000000000010 RSI: 00007f0a4dbc3000 RDI: 0000000000000001

 3450 00:28:23.890936  # [   35.232122] RBP: 00007f0a4dbc3000 R08: 00007f0a4dbc2010 R09: 0000000000000000

 3451 00:28:23.897346  # [   35.246605] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3452 00:28:23.907096  # [   35.261085] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3453 00:28:23.910344  # [   35.275572] irq event stamp: 0

 3454 00:28:23.916818  # [   35.285483<6>[   36.730377] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3455 00:28:23.923491  ] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3456 00:28:23.930310  # [  <6>[   36.741192] lkdtm: attempting bad read from page below current stack

 3457 00:28:23.949813   35.298993] hardirqs last disabled at (0): [<ffffffff87efd6cc>] <0>[   36.754799] BUG: stack guard page was hit at 00000000375b70d5 (stack is 000000004c71670a..00000000dc43b171)

 3458 00:28:23.956966  <4>[   36.772183] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3459 00:28:23.963748  <4>[   36.779281] CPU: 1 PID: 980 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3460 00:28:23.972890  <4>[   36.788125] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3461 00:28:23.980099  <4>[   36.795224] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3462 00:28:23.982841  copy_process+0x65c/0x20e0

 3463 00:28:24.006176  # [   35.314638] softirqs last  enabl<4>[   36.802032] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a0 31 f8 89 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 eb de fb ff 48 c7 c7 e0 31 f8 89 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d1 de fb ff 0f 1f 44

 3464 00:28:24.012531  <4>[   36.829538] RSP: 0018:ffffa86a81827e50 EFLAGS: 00010246

 3465 00:28:24.019820  <4>[   36.835662] RAX: 0000000000000038 RBX: ffffa86a81824000 RCX: 0000000000000000

 3466 00:28:24.029163  <4>[   36.843923] RDX: 0000000000000000 RSI: ffff9023bac9bf50 RDI: ffffffff89f831e0

 3467 00:28:24.036259  <4>[   36.852183] RBP: ffffffff89f8290a R08: 0000000000000000 R09: 0000000000000000

 3468 00:28:24.046019  <4>[   36.860444] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3469 00:28:24.052490  <4>[   36.868703] R13: ffffa86a81827f10 R14: ffffa86a81827f10 R15: ffff902345ad7000

 3470 00:28:24.062661  <4>[   36.876966] FS:  00007efeb0d71580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 3471 00:28:24.068760  <4>[   36.886287] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3472 00:28:24.078854  <4>[   36.892994] CR2: ffffa86a81823fff CR3: 0000000104096002 CR4: 00000000003706e0

 3473 00:28:24.082277  <4>[   36.901255] Call Trace:

 3474 00:28:24.082847  <4>[   36.904271]  <#DF>

 3475 00:28:24.089754  <4>[   36.906804]  ? __die_body.cold+0x1a/0x1f

 3476 00:28:24.095721  ed at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3477 00:28:24.098367  # [  <4>[   36.911491]  ? die+0x2b/0x50

 3478 00:28:24.102146  <4>[   36.921205]  ? handle_stack_overflow+0x3e/0x4d

 3479 00:28:24.108140  <4>[   36.926458]  ? no_context+0x24d/0x380

 3480 00:28:24.111803  <4>[   36.930833]  </#DF>

 3481 00:28:24.167612   35.330286] softirqs last disabled at (0): [<0000000000000000>] <4>[   36.933478] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3482 00:28:24.174831  <4>[   36.992446] ---[ end trace 74b841559c2f9300 ]---

 3483 00:28:24.177483  <4>[   36.997893] RIP: 0010:lkdtm_BUG+0x5/0x10

 3484 00:28:24.200918  <4>[   37.002561] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 3485 00:28:24.207823  <4>[   37.023836] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 3486 00:28:24.214342  <4>[   37.029959] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 3487 00:28:24.224340  <4>[   37.038219] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 3488 00:28:24.230817  <4>[   37.046488] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 3489 00:28:24.240868  <4>[   37.054749] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3490 00:28:24.247246  <4>[   37.063010] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 3491 00:28:24.256877  <4>[   37.071271] FS:  00007efeb0d71580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 3492 00:28:24.264073  <4>[   37.080600] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3493 00:28:24.273580  <4>[   37.087307] CR2: ffffa86a81823fff CR3: 0000000104096002 CR4: 00000000003706e0

 3494 00:28:24.283698  <3>[   37.095569] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3495 00:28:24.290444  <3>[   37.105764] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 980, name: cat

 3496 00:28:24.296382  <4>[   37.114413] INFO: lockdep is turned off.

 3497 00:28:24.300236  <4>[   37.119079] irq event stamp: 0

 3498 00:28:24.306272  <4>[   37.122777] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3499 00:28:24.316532  <4>[   37.130068] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3500 00:28:24.326383  <4>[   37.139495] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3501 00:28:24.332673  <4>[   37.148920] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3502 00:28:24.342764  <4>[   37.156210] CPU: 1 PID: 980 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3503 00:28:24.349472  <4>[   37.165053] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3504 00:28:24.352612  <4>[   37.172147] Call Trace:

 3505 00:28:24.355866  <4>[   37.175165]  dump_stack+0x77/0x9b

 3506 00:28:24.359724  <4>[   37.179157]  ___might_sleep.cold+0xa6/0xb6

 3507 00:28:24.365778  <4>[   37.184020]  exit_signals+0x1c/0x300

 3508 00:28:24.366329  0x0

 3509 00:28:24.372358  # [   35.343795] ---[ end trace 74b841559c2f92fe ]---

 3510 00:28:24.375769  # WA<4>[   37.188301]  do_exit+0xc2/0xab0

 3511 00:28:24.378850  <4>[   37.198310]  ? ksys_write+0x68/0xf0

 3512 00:28:24.382159  <4>[   37.202496]  make_task_dead+0x2f/0x30

 3513 00:28:24.388679  <4>[   37.206874]  rewind_stack_and_make_dead+0x17/0x20

 3514 00:28:24.392007  <4>[   37.212406] RIP: 0033:0x7efeb0c87473

 3515 00:28:24.415445  <4>[   37.216686] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3516 00:28:24.422148  <4>[   37.237954] RSP: 002b:00007ffcc684c6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3517 00:28:24.432341  <4>[   37.246693] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007efeb0c87473

 3518 00:28:24.438728  <4>[   37.254954] RDX: 0000000000000019 RSI: 00007efeb0b7b000 RDI: 0000000000000001

 3519 00:28:24.448389  <4>[   37.263212] RBP: 00007efeb0b7b000 R08: 00007efeb0b7a010 R09: 0000000000000000

 3520 00:28:24.454730  <4>[   37.271487] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3521 00:28:24.465071  <4>[   37.279746] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3522 00:28:24.468179  RNING_MESSAGE: saw 'message trigger': ok

 3523 00:28:24.474402  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh

 3524 00:28:24.477801  # selftests: lkdtm: EXCEPTION.sh

 3525 00:28:24.478285  # Killed

 3526 00:28:24.484185  # [   35.448726] lkdtm: Performing direct entry EXCEPTION

 3527 00:28:24.492262  # [   35.454836] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3528 00:28:24.498031  # [   35.469110] #PF: supervisor write access in kernel mode

 3529 00:28:24.504317  # [   35.475234] #PF: error_code(0x0002) - not-present page

 3530 00:28:24.504829  # [   35.481260] PGD 0 P4D 0 

 3531 00:28:24.510700  # [   35.484376] Oops: 0002 [#2] SMP PTI

 3532 00:28:24.517576  # [   35.488558] CPU: 1 PID: 748 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3533 00:28:24.524547  # [   35.497400] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3534 00:28:24.530395  # [   35.504498] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3535 00:28:24.550930  # [   35.509750] Code: 48 c7 c7 00 2e f8 89 8d 70 01 89 35 81 7f 0b 03 e8 5a b9 69 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <c7> 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84

 3536 00:28:24.557288  # [   35.537236] RSP: 0018:ffffa86a8150fe60 EFLAGS: 00010286

 3537 00:28:24.567356  # [   35.543361] RAX: ffffffff8897bda0 RBX: 0000000000000004 RCX: 0000000000000000

 3538 00:28:24.573578  # [   35.551622] RDX: 0000000000000000 RSI: ffff9023bac9bf50 RDI: ffffffff89af84e0

 3539 00:28:24.582979  # [   35.559882] RBP: f<6>[   37.399562] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3540 00:28:24.589651  <6>[   37.407276] lkdtm: attempting bad read from page above current stack

 3541 00:28:24.603052  <0>[   37.414672] BUG: stack guard page was hit at 00000000bafb09cf (stack is 00000000262a91d6..000000005d86646e)

 3542 00:28:24.609618  <4>[   37.425879] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3543 00:28:24.616085  fffffff89e7650f R08: 0000000000000000 R09: 0000000000000000

 3544 00:28:24.626279  # [<4>[   37.432978] CPU: 2 PID: 1014 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3545 00:28:24.633111  <4>[   37.448132] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3546 00:28:24.640155  <4>[   37.455235] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3547 00:28:24.665932     35.568143] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0<4>[   37.462137] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 18 32 f8 89 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b1 de fb ff 48 c7 c7 58 32 f8 89 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 94 de fb ff

 3548 00:28:24.673206  <4>[   37.489625] RSP: 0018:ffffa86a818a7e50 EFLAGS: 00010246

 3549 00:28:24.679122  <4>[   37.495750] RAX: 0000000000000038 RBX: ffffa86a818a4000 RCX: 0000000000000000

 3550 00:28:24.689070  <4>[   37.504012] RDX: 0000000000000000 RSI: ffff9023bad1bf50 RDI: ffffffff89f83258

 3551 00:28:24.695717  <4>[   37.512273] RBP: ffffffff89f82923 R08: 0000000000000000 R09: 0000000000000000

 3552 00:28:24.705585  <4>[   37.520542] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3553 00:28:24.712262  <4>[   37.528804] R13: ffffa86a818a7f10 R14: ffffa86a818a7f10 R15: ffff902344794000

 3554 00:28:24.722146  <4>[   37.537065] FS:  00007fd8553e9580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 3555 00:28:24.728346  <4>[   37.546393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3556 00:28:24.738561  <4>[   37.553099] CR2: ffffa86a818a8000 CR3: 0000000104404002 CR4: 00000000003706e0

 3557 00:28:24.741960  <4>[   37.561360] Call Trace:

 3558 00:28:24.745250  <4>[   37.564379]  <#DF>

 3559 00:28:24.748461  <4>[   37.566911]  ? __die_body.cold+0x1a/0x1f

 3560 00:28:24.751478  <4>[   37.571581]  ? die+0x2b/0x50

 3561 00:28:24.758309  <4>[   37.575074]  ? handle_stack_overflow+0x3e/0x4d

 3562 00:28:24.762726  <4>[   37.580327]  ? no_context+0x24d/0x380

 3563 00:28:24.765388  <4>[   37.584703]  </#DF>

 3564 00:28:24.817569  <4>[   37.587330] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3565 00:28:24.818197  00000000000000a

 3566 00:28:24.827598  # [   35.576405] R13: ffffa86a8150ff10 R14: fff<4>[   37.640119] ---[ end trace 74b841559c2f9301 ]---

 3567 00:28:24.834443  <4>[   37.651775] RIP: 0010:lkdtm_BUG+0x5/0x10

 3568 00:28:24.853953  <4>[   37.656443] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 3569 00:28:24.860959  <4>[   37.677717] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 3570 00:28:24.870160  <4>[   37.683840] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 3571 00:28:24.877459  <4>[   37.692101] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 3572 00:28:24.886812  <4>[   37.700362] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 3573 00:28:24.894269  <4>[   37.708623] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3574 00:28:24.903768  <4>[   37.716884] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 3575 00:28:24.909923  <4>[   37.725145] FS:  00007fd8553e9580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 3576 00:28:24.916095  <4>[   37.734488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3577 00:28:24.926796  <4>[   37.741194] CR2: ffffa86a818a8000 CR3: 0000000104404002 CR4: 00000000003706e0

 3578 00:28:24.929590  fa86a8150ff10 R15: ffff902343898000

 3579 00:28:24.939555  # [   35.584667] FS:  00007f17f1deb580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 3580 00:28:24.946002  # [   35.593988] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3581 00:28:24.952683  # [   35.600695] CR2: 0000000000000000 CR3: 0000000106110001 CR4: 00000000003706e0

 3582 00:28:24.956410  # [   35.608955] Call Trace:

 3583 00:28:24.962724  # [   35.611978]  ? __die_body.cold+0x1a/0x1f

 3584 00:28:24.966026  # [   35.622864]  ? no_context+0x177/0x380

 3585 00:28:24.969541  # [   35.633461]  ? exc_page_fault+0x53/0x170

 3586 00:28:24.975987  # [   35.644347]  ? asm_exc_page_fault+0x1e/0x30

 3587 00:28:24.979129  # [   35.649309]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3588 00:28:24.985546  # [   35.654564]  ? lkdtm_EXCEPTION+0x5/0x20

 3589 00:28:24.989161  # [   35.659136]  direct_entry.cold+0x2c/0x38

 3590 00:28:24.992056  # [   35.663797]  full_proxy_write+0x53/0x80

 3591 00:28:24.998586  # [   35.668371]  vfs_write+0xe7/0x3b0

 3592 00:28:25.002141  # [   35.678572]  ksys_write+0x68/0xf0

 3593 00:28:25.005684  # [   35.682561]  do_syscall_64+0x30/0x40

 3594 00:28:25.011882  # [   35.686843]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3595 00:28:25.015310  # [   35.692775] RIP: 0033:0x7f17f1d01473

 3596 00:28:25.035192  # [   35.697056] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3597 00:28:25.045026  # [   35.718322] RSP: 002b:00007ffc1a942de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3598 00:28:25.055369  # [   35.727070] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f17f1d01473

 3599 00:28:25.061839  # [   35.735331] RDX: 000000000000000a RSI: 00007f17f1bf5000 RDI: 0000000000000001

 3600 00:28:25.069279  # [   35.7435<6>[   37.881666] lkdtm: Performing direct entry UNSET_SMEP

 3601 00:28:25.075080  <6>[   37.892163] lkdtm: trying to clear SMEP normally

 3602 00:28:25.078129  <4>[   37.897618] ------------[ cut here ]------------

 3603 00:28:25.084753  <4>[   37.903072] pinned CR4 bits changed: 0x100000!?

 3604 00:28:25.094547  <4>[   37.908426] WARNING: CPU: 3 PID: 1051 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60

 3605 00:28:25.154174  91] RBP: 00007f17f1bf5000 R08: 00007f17f1bf4010 R09: 00000000000<4>[   37.918929] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3606 00:28:25.164014  <4>[   37.977941] CPU: 3 PID: 1051 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3607 00:28:25.164571  00000

 3608 00:28:25.177369  # [   35.751852] R10: fffffffffffffbc5 R11: 0000000000000<4>[   37.986893] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3609 00:28:25.183760  <4>[   38.000202] RIP: 0010:native_write_cr4+0x45/0x60

 3610 00:28:25.203723  <4>[   38.005650] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d b8 5e 66 02 00 75 f2 48 c7 c7 b0 05 e8 89 c6 05 a8 5e 66 02 01 e8 75 55 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3611 00:28:25.209987  <4>[   38.026927] RSP: 0018:ffffa86a81947e48 EFLAGS: 00010286

 3612 00:28:25.216651  <4>[   38.033053] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000

 3613 00:28:25.226762  <4>[   38.041309] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 3614 00:28:25.233338  <4>[   38.049572] RBP: ffffffff89f8293d R08: 0000000000000000 R09: 0000000000000000

 3615 00:28:25.243035  <4>[   38.057835] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3616 00:28:25.249605  <4>[   38.066098] R13: ffffa86a81947f10 R14: ffffa86a81947f10 R15: ffff902343cba000

 3617 00:28:25.260092  <4>[   38.074361] FS:  00007f7c9307f580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 3618 00:28:25.266398  <4>[   38.083692] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3619 00:28:25.276118  <4>[   38.090393] CR2: 00007f7c92e89000 CR3: 0000000106406004 CR4: 00000000003706e0

 3620 00:28:25.279536  <4>[   38.098655] Call Trace:

 3621 00:28:25.282836  <4>[   38.101678]  ? __warn+0x80/0x110

 3622 00:28:25.285886  <4>[   38.105604]  ? native_write_cr4+0x45/0x60

 3623 00:28:25.289248  246 R12: 0000000000000001

 3624 00:28:25.296071  # [   35.760106] R13: 000000000000000<4>[   38.110375]  ? report_bug+0x9e/0xc0

 3625 00:28:25.302186  1 R14: 0000000000020000 R15: 0000000000020000

 3626 00:28:25.309025  # [   35.768370] <4>[   38.120777]  ? handle_bug+0x41/0x90

 3627 00:28:25.312129  <4>[   38.131178]  ? exc_invalid_op+0x14/0x70

 3628 00:28:25.318900  <4>[   38.135782]  ? asm_exc_invalid_op+0x12/0x20

 3629 00:28:25.322156  <4>[   38.140752]  ? native_write_cr4+0x45/0x60

 3630 00:28:25.332110  Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sens<4>[   38.145539]  ? native_write_cr4+0x45/0x60

 3631 00:28:25.338555  <4>[   38.156522]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3632 00:28:25.341831  <4>[   38.161705]  direct_entry.cold+0x2c/0x38

 3633 00:28:25.355289  ors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf<4>[   38.166380]  full_proxy_write+0x53/0x80

 3634 00:28:25.358295  <4>[   38.177172]  vfs_write+0xe7/0x3b0

 3635 00:28:25.368137   industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros<4>[   38.181189]  ksys_write+0x68/0xf0

 3636 00:28:25.371705  <4>[   38.191394]  do_syscall_64+0x30/0x40

 3637 00:28:25.378000  <4>[   38.195700]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3638 00:28:25.381684  <4>[   38.201633] RIP: 0033:0x7f7c92f95473

 3639 00:28:25.404244  <4>[   38.205917] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3640 00:28:25.411285  <4>[   38.227197] RSP: 002b:00007fff814894c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3641 00:28:25.427844  _ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec<4>[   38.235977] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f7c92f95473

 3642 00:28:25.434228  <4>[   38.250448] RDX: 000000000000000b RSI: 00007f7c92e89000 RDI: 0000000000000001

 3643 00:28:25.443872  <4>[   38.258711] RBP: 00007f7c92e89000 R08: 00007f7c92e88010 R09: 0000000000000000

 3644 00:28:25.450664  <4>[   38.266963] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3645 00:28:25.460709  <4>[   38.275228] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3646 00:28:25.470810  _debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger s<4>[   38.283499] irq event stamp: 0

 3647 00:28:25.477193  <4>[   38.293411] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3648 00:28:25.487303  <4>[   38.300706] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3649 00:28:25.496937  <4>[   38.310134] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3650 00:28:25.503886  <4>[   38.319562] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3651 00:28:25.510549  <4>[   38.326854] ---[ end trace 74b841559c2f9302 ]---

 3652 00:28:25.513687  <6>[   38.332301] lkdtm: ok: SMEP did not get cleared

 3653 00:28:25.520363  <6>[   38.337649] lkdtm: trying to clear SMEP with call gadget

 3654 00:28:25.527048  <6>[   38.343872] lkdtm: ok: SMEP removal was reverted

 3655 00:28:25.546163  nd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3656 00:28:25.549862  # [   35.827333] CR2: 0000000000000000

 3657 00:28:25.556627  # [   35.831323] ---[ end trace 74b841559c2f92ff ]---

 3658 00:28:25.559965  # [   35.836759] RIP: 0010:lkdtm_BUG+0x5/0x10

 3659 00:28:25.579193  # [   35.841418] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 3660 00:28:25.586333  # [   35.862693] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 3661 00:28:25.596252  # [   35.868817] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 3662 00:28:25.602482  # [   35.877078] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 3663 00:28:25.612358  # [   35.885339] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 3664 00:28:25.619077  # [   35.893602] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3665 00:28:25.629098  # [   35.901863] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 3666 00:28:25.635537  # [   35.910125] FS:  00007f17f1deb580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 3667 00:28:25.642736  # [   35.919453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3668 00:28:25.649658  # [   <6>[   38.461292] lkdtm: Performing direct entry DOUBLE_FAULT

 3669 00:28:25.662072  35.926154] CR2: 0000000000000000 CR3: 0000000106110001 CR4: 0000<3>[   38.473596] lkdtm: XFAIL: this test is ia32-only

 3670 00:28:25.662570  0000003706e0

 3671 00:28:25.672160  # [   35.934414] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3672 00:28:25.681775  # [   35.944617] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 748, name: cat

 3673 00:28:25.684950  # [   35.953265] INFO: lockdep is turned off.

 3674 00:28:25.691683  # [   35.957931] irq event stamp: 0

 3675 00:28:25.698443  # [   35.961628] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3676 00:28:25.707871  # [   35.968918] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3677 00:28:25.714994  # [   35.978345] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3678 00:28:25.725098  # [   35.987764] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3679 00:28:25.731236  # [   35.995053] CPU: 1 PID: 748 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3680 00:28:25.738039  # [   36.003896] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3681 00:28:25.741094  # [   36.010991] Call Trace:

 3682 00:28:25.744525  # [   36.014009]  dump_stack+0x77/0x9b

 3683 00:28:25.750608  # [   36.018001]  ___might_sleep.cold+0xa6/0xb6

 3684 00:28:25.754621  # [   36.029076]  exit_signals+0x1c/0x300

 3685 00:28:25.757727  # [   36.033359]  do_exit+0xc2/0xab0

 3686 00:28:25.760615  # [   36.037153]  ? ksys_write+0x68/0xf0

 3687 00:28:25.767171  # [   36.041338]  make_task_dead+0x2f/0x30

 3688 00:28:25.770275  # [   36.045715]  rewind_stack_and_make_dead+0x17/0x20

 3689 00:28:25.776948  # [   36.051249] RIP: 0033:0x7f17f1d01473

 3690 00:28:25.797261  # [   36.055535] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff f<6>[   38.609735] lkdtm: Performing direct entry CORRUPT_PAC

 3691 00:28:25.803816  <3>[   38.621809] lkdtm: XFAIL: this test is arm64-only

 3692 00:28:25.810254  f 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3693 00:28:25.817808  # [   36.076815] RSP: 002b:00007ffc1a942de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3694 00:28:25.826607  # [   36.091777] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f17f1d01473

 3695 00:28:25.833216  # [   36.100036] RDX: 000000000000000a RSI: 00007f17f1bf5000 RDI: 0000000000000001

 3696 00:28:25.843899  # [   36.108296] RBP: 00007f17f1bf5000 R08: 00007f17f1bf4010 R09: 0000000000000000

 3697 00:28:25.849915  # [   36.116558] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3698 00:28:25.859894  # [   36.124817] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3699 00:28:25.863168  # EXCEPTION: saw 'call trace:': ok

 3700 00:28:25.866752  ok 5 selftests: lkdtm: EXCEPTION.sh

 3701 00:28:25.869792  # selftests: lkdtm: LOOP.sh

 3702 00:28:25.873429  # Skipping LOOP: Hangs the system

 3703 00:28:25.876748  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 3704 00:28:25.879798  # selftests: lkdtm: EXHAUST_STACK.sh

 3705 00:28:25.882866  # Skipping EXHAUST_STACK: Corrupts memory on failure

 3706 00:28:25.889535  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 3707 00:28:25.892880  # selftests: lkdtm: CORRUPT_STACK.sh

 3708 00:28:25.899544  # Skipping CORRUPT_STACK: Crashes entire system on success

 3709 00:28:25.902553  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP

 3710 00:28:25.905864  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 3711 00:28:25.915990  # Skipping CORRUPT_ST<6>[   38.726807] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3712 00:28:25.922514  ACK_STRONG: Crashes entire system on success

 3713 00:28:25.932660  ok 9 selftests: lk<3>[   38.740561] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3714 00:28:25.936070  dtm: CORRUPT_STACK_STRONG.sh # SKIP

 3715 00:28:25.939611  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 3716 00:28:25.946184  # [   36.406666] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3717 00:28:25.949341  # [   36.419277] lkdtm: attempting good list addition

 3718 00:28:25.956101  # [   36.430946] lkdtm: attempting corrupted list addition

 3719 00:28:25.962214  # [   36.443095] lkdtm: list_add() corruption not detected!

 3720 00:28:25.968701  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]

 3721 00:28:25.972346  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 3722 00:28:25.978532  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 3723 00:28:25.985702  # [   36.586612] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3724 00:28:25.989023  # [   36.598622] lkdtm: attempting good list removal

 3725 00:28:25.995620  # [   36.610194] lkdtm: attempting corrupted list removal

 3726 00:28:26.001949  # [   36.622241] lkdtm: list_del() corruption not detected!

 3727 00:28:26.005168  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]

 3728 00:28:26.012032  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 3729 00:28:26.018460  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3730 00:28:26.018542  # Segmentation fault

 3731 00:28:26.024477  # [   36.730377] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3732 00:28:26.034399  # [   36.741192] lkdtm: attempting bad read from page below current stack

 3733 00:28:26.044435  # [   36.754799] BUG: stack guard page was hit at 00000000375b70d5 (stack is 000000004c71670a..00000000dc43b171)

 3734 00:28:26.051145  # [   36.772183] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3735 00:28:26.060691  # [   36.779281] CPU: 1 PID: 980 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3736 00:28:26.067529  # [   36.788125] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3737 00:28:26.073958  # [   36.795224] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3738 00:28:26.094356  # [   36.802032] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a0 31 f8 89 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 eb de fb ff 48 c7 c7 e0 31 f8 89 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d1 de fb ff 0f 1f 44

 3739 00:28:26.100476  # [   36.829538] RSP: 0018:ffffa86a81827e50 EFLAGS: 00010246

 3740 00:28:26.110150  # [   36.835662] RAX: 0000000000000038 RBX: ffffa86a81824000 RCX: 0000000000000000

 3741 00:28:26.117387  # [   36.843923] RDX<6>[   38.932098] lkdtm: Performing direct entry READ_AFTER_FREE

 3742 00:28:26.123454  : 0000000000000000 RSI: ffff9023bac9bf50 RDI: ffffffff89f831e0

 3743 00:28:26.130330  <6>[   38.941318] lkdtm: Value in memory before free: 12345678

 3744 00:28:26.143403  # [   36.852183] RBP: ffffffff89f8290a R08: 0000000000000000 R09<6>[   38.953784] lkdtm: Attempting bad read from freed memory

 3745 00:28:26.143511  : 0000000000000000

 3746 00:28:26.153198  # [   36.860444] R10: 00000000ffffe000 R11: <6>[   38.966194] lkdtm: Memory was not poisoned

 3747 00:28:26.156958  3fffffffffffffff R12: 0000000000000019

 3748 00:28:26.166288  # [   36.868703] R13: ffffa86a81827f10 R14: ffffa86a81827f10 R15: ffff902345ad7000

 3749 00:28:26.175960  # [   36.876966] FS:  00007efeb0d71580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 3750 00:28:26.182934  # [   36.886287] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3751 00:28:26.189827  # [   36.892994] CR2: ffffa86a81823fff CR3: 0000000104096002 CR4: 00000000003706e0

 3752 00:28:26.192663  # [   36.901255] Call Trace:

 3753 00:28:26.195882  # [   36.904271]  <#DF>

 3754 00:28:26.199405  # [   36.906804]  ? __die_body.cold+0x1a/0x1f

 3755 00:28:26.202607  # [   36.911491]  ? die+0x2b/0x50

 3756 00:28:26.209711  # [   36.921205]  ? handle_stack_overflow+0x3e/0x4d

 3757 00:28:26.212831  # [   36.926458]  ? no_context+0x24d/0x380

 3758 00:28:26.215742  # [   36.930833]  </#DF>

 3759 00:28:26.268982  # [   36.933478] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3760 00:28:26.272321  # [   36.992446] ---[ end trace 74b841559c2f9300 ]---

 3761 00:28:26.279345  # [   36.997893] RIP: 0010:lkdtm_BUG+0x5/0x10

 3762 00:28:26.292200  # [   37.002561] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb d<6>[   39.101537] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3763 00:28:26.299351  <6>[   39.114804] lkdtm: Value in memory before free: 12345678

 3764 00:28:26.305387  <6>[   39.121064] lkdtm: Attempting to read from freed memory

 3765 00:28:26.315533  e 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9<6>[   39.127217] lkdtm: Buddy page was not poisoned

 3766 00:28:26.325696   0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 3767 00:28:26.328814  # [   37.023836] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 3768 00:28:26.338084  # [   37.029959] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 3769 00:28:26.344361  # [   37.038219] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 3770 00:28:26.355197  # [   37.046488] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 3771 00:28:26.361056  # [   37.054749] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3772 00:28:26.370870  # [   37.063010] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 3773 00:28:26.381040  # [   37.071271] FS:  00007efeb0d71580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 3774 00:28:26.387195  # [   37.080600] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3775 00:28:26.394008  # [   37.087307] CR2: ffffa86a81823fff CR3: 0000000104096002 CR4: 00000000003706e0

 3776 00:28:26.403731  # [   37.095569] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3777 00:28:26.413446  # [   37.105764] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 980, name: cat

 3778 00:28:26.417200  # [   37.114413] INFO: lockdep is turned off.

 3779 00:28:26.426540  # [   37.119079] irq event stamp: 0<6>[   39.242671] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 3780 00:28:26.433492  <6>[   39.250920] lkdtm: Attempting double slab free ...

 3781 00:28:26.433769  

 3782 00:28:26.440106  # [   37.122777] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3783 00:28:26.449988  # [   37.130068] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3784 00:28:26.460508  # [   37.139495] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3785 00:28:26.466621  # [   37.148920] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3786 00:28:26.476430  # [   37.156210] CPU: 1 PID: 980 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3787 00:28:26.483032  # [   37.165053] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3788 00:28:26.486427  # [   37.172147] Call Trace:

 3789 00:28:26.489144  # [   37.175165]  dump_stack+0x77/0x9b

 3790 00:28:26.492437  # [   37.179157]  ___might_sleep.cold+0xa6/0xb6

 3791 00:28:26.496049  # [   37.184020]  exit_signals+0x1c/0x300

 3792 00:28:26.502970  # [   37.188301]  do_exit+0xc2/0xab0

 3793 00:28:26.505940  # [   37.198310]  ? ksys_write+0x68/0xf0

 3794 00:28:26.508863  # [   37.202496]  make_task_dead+0x2f/0x30

 3795 00:28:26.515825  # [   37.206874]  rewind_stack_and_make_dead+0x17/0x20

 3796 00:28:26.518861  # [   37.212406] RIP: 0033:0x7efeb0c87473

 3797 00:28:26.538879  # [   37.216686] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3798 00:28:26.552108  # [   37.237954] RSP: 002b:00007ffcc684c6c8 E<6>[   39.366610] lkdtm: Performing direct entry SLAB_FREE_CROSS

 3799 00:28:26.555901  FLAGS: 00000246 ORIG_RAX: 0000000000000001

 3800 00:28:26.562221  # [   37.246693] RAX<6>[   39.374925] lkdtm: Attempting cross-cache slab free ...

 3801 00:28:26.568971  : ffffffffffffffda RBX: 0000000000000019 RCX: 00007efeb0c87473

 3802 00:28:26.578870  # [   37.254954] RDX: 0000000000000019 RSI: 00007efeb0b7b000 RDI: 0000000000000001

 3803 00:28:26.585064  # [   37.263212] RBP: 00007efeb0b7b000 R08: 00007efeb0b7a010 R09: 0000000000000000

 3804 00:28:26.594475  # [   37.271487] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3805 00:28:26.601630  # [   37.279746] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3806 00:28:26.607665  # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok

 3807 00:28:26.611383  ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3808 00:28:26.617835  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3809 00:28:26.617918  # Segmentation fault

 3810 00:28:26.627571  # [   37.399562] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3811 00:28:26.634451  # [   37.407276] lkdtm: attempting bad read from page above current stack

 3812 00:28:26.644452  # [   37.414672] BUG: stack guard page was hit at 00000000bafb09cf (stack is 00000000262a91d6..000000005d86646e)

 3813 00:28:26.657371  # [   37.425879] kernel stack overflow (page fault): 000<6>[   39.472974] lkdtm: Performing direct entry SLAB_FREE_PAGE

 3814 00:28:26.664269  <6>[   39.480596] lkdtm: Attempting non-Slab slab free ...

 3815 00:28:26.664520  0 [#4] SMP PTI

 3816 00:28:26.674257  # [   37.432978] CPU: 2 PID: 1014 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3817 00:28:26.680839  # [   37.448132] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3818 00:28:26.687151  # [   37.455235] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3819 00:28:26.707354  # [   37.462137] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 18 32 f8 89 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b1 de fb ff 48 c7 c7 58 32 f8 89 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 94 de fb ff

 3820 00:28:26.713372  # [   37.489625] RSP: 0018:ffffa86a818a7e50 EFLAGS: 00010246

 3821 00:28:26.723390  # [   37.495750] RAX: 0000000000000038 RBX: ffffa86a818a4000 RCX: 0000000000000000

 3822 00:28:26.730087  # [   37.504012] RDX: 0000000000000000 RSI: ffff9023bad1bf50 RDI: ffffffff89f83258

 3823 00:28:26.740082  # [   37.512273] RBP: ffffffff89f82923 R08: 0000000000000000 R09: 0000000000000000

 3824 00:28:26.746189  # [   37.520542] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3825 00:28:26.756161  # [   37.528804] R13: ffffa86a818a7f10 R14: ffffa86a818a7f10 R15: ffff902344794000

 3826 00:28:26.763094  # [   37.537065] FS:  00007fd8553e9580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 3827 00:28:26.769568  # [   37.546393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3828 00:28:26.779380  # [   37.553099] CR2: ffffa86a818a8000 CR3: 0000000104404002 CR4: 00000000003706e0

 3829 00:28:26.782708  # [   37.561360] Call Trace:

 3830 00:28:26.782791  # [   37.564379]  <#DF>

 3831 00:28:26.789230  # [   37.566911]  ? __die_body.cold+0x1a/0x1f

 3832 00:28:26.792510  # [   37.571581]  ? die+0x2b/0x50

 3833 00:28:26.796202  # [   37.575074]  ? handle_stack_overflow+0x3e/0x4d

 3834 00:28:26.803283  # [   37.580327]  ? no_context+0x24d/0x380

 3835 00:28:26.803405  # [   37.584703]  </#DF>

 3836 00:28:26.855484  # [   37.587330] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3837 00:28:26.862103  # [   37.640119] ---[ end trace 74b841559c2f9301 ]---

 3838 00:28:26.865238  # [   37.651775] RIP: 0010:lkdtm_BUG+0x5/0x10

 3839 00:28:26.885406  # [   37.656443] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f <6>[   39.697911] lkdtm: Performing direct entry EXEC_DATA

 3840 00:28:26.892380  <6>[   39.709863] lkdtm: attempting ok execution at ffffffff8897c110

 3841 00:28:26.898488  <6>[   39.716730] lkdtm: attempting bad execution at ffffffff8ba33d40

 3842 00:28:26.914822  44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05<2>[   39.723651] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3843 00:28:26.922170  <1>[   39.738505] BUG: unable to handle page fault for address: ffffffff8ba33d40

 3844 00:28:26.928122  <1>[   39.746490] #PF: supervisor instruction fetch in kernel mode

 3845 00:28:26.935054  <1>[   39.753100] #PF: error_code(0x0011) - permissions violation

 3846 00:28:26.944896  <6>[   39.759614] PGD 132629067 P4D 132629067 PUD 13262a063 PMD 8000000133e000e3 

 3847 00:28:26.948076  <4>[   39.767684] Oops: 0011 [#5] SMP PTI

 3848 00:28:26.958212  <4>[   39.771858] CPU: 3 PID: 1574 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3849 00:28:26.964684  <4>[   39.780797] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3850 00:28:26.967910  <4>[   39.787895] RIP: 0010:data_area+0x0/0x40

 3851 00:28:26.991264  <4>[   39.792564] Code: ff ff 00 22 d2 44 23 90 ff ff 00 21 d2 44 23 90 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 3852 00:28:26.998146  <4>[   39.813837] RSP: 0018:ffffa86a821a7e48 EFLAGS: 00010246

 3853 00:28:27.004063  <4>[   39.819954] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3854 00:28:27.013971  <4>[   39.828213] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 3855 00:28:27.020714  <4>[   39.836490] RBP: ffffffff8ba33d40 R08: 0000000000000000 R09: 0000000000000000

 3856 00:28:27.031064  <4>[   39.844752] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3857 00:28:27.037707  <4>[   39.853012] R13: ffffa86a821a7f10 R14: ffffa86a821a7f10 R15: ffff90234419c000

 3858 00:28:27.047754  <4>[   39.861273] FS:  00007fd869dcf580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 3859 00:28:27.054208  <4>[   39.870604] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3860 00:28:27.063692  <4>[   39.877301] CR2: ffffffff8ba33d40 CR3: 0000000106564001 CR4: 00000000003706e0

 3861 00:28:27.064258  <4>[   39.885563] Call Trace:

 3862 00:28:27.070800  <4>[   39.888583]  ? __die_body.cold+0x1a/0x1f

 3863 00:28:27.073938  <4>[   39.893253]  ? no_context+0x177/0x380

 3864 00:28:27.080570  <4>[   39.897633]  ? exc_page_fault+0xd7/0x170

 3865 00:28:27.083433  <4>[   39.902302]  ? asm_exc_page_fault+0x1e/0x30

 3866 00:28:27.090220  <4>[   39.907266]  ? execute_location+0x45/0x56

 3867 00:28:27.093277  <4>[   39.912031]  ? direct_entry.cold+0x2c/0x38

 3868 00:28:27.096575  <4>[   39.916895]  ? full_proxy_write+0x53/0x80

 3869 00:28:27.103917  <4>[   39.921661]  ? vfs_write+0xe7/0x3b0

 3870 00:28:27.106193  <4>[   39.925835]  ? ksys_write+0x68/0xf0

 3871 00:28:27.109990  <4>[   39.930019]  ? do_syscall_64+0x30/0x40

 3872 00:28:27.115985  <4>[   39.934492]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3873 00:28:27.119428   b0 7f 0b 03

 3874 00:28:27.176080  # [   37.677717] RSP: 0018:ffffa86a8134fe60 EFLAGS<4>[   39.940617] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3875 00:28:27.179409  <4>[   39.999611] CR2: ffffffff8ba33d40

 3876 00:28:27.186026  <4>[   40.003600] ---[ end trace 74b841559c2f9303 ]---

 3877 00:28:27.188863  <4>[   40.009036] RIP: 0010:lkdtm_BUG+0x5/0x10

 3878 00:28:27.212114  <4>[   40.013705] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 3879 00:28:27.218378  <4>[   40.034972] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 3880 00:28:27.225157  <4>[   40.041088] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 3881 00:28:27.235587  <4>[   40.049347] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 3882 00:28:27.242044  <4>[   40.057608] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 3883 00:28:27.251723  <4>[   40.065868] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3884 00:28:27.258058  <4>[   40.074129] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 3885 00:28:27.268583  <4>[   40.082388] FS:  00007fd869dcf580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 3886 00:28:27.274702  <4>[   40.091716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3887 00:28:27.284963  <4>[   40.098422] CR2: ffffffff8ba33d40 CR3: 0000000106564001 CR4: 00000000003706e0

 3888 00:28:27.294601  <3>[   40.106682] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3889 00:28:27.301119  <3>[   40.116884] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1574, name: cat

 3890 00:28:27.307766  <4>[   40.125630] INFO: lockdep is turned off.

 3891 00:28:27.310779  <4>[   40.130296] irq event stamp: 0

 3892 00:28:27.317511  <4>[   40.133994] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3893 00:28:27.327530  <4>[   40.141275] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3894 00:28:27.337540  <4>[   40.150693] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 3895 00:28:27.344913  <4>[   40.160118] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3896 00:28:27.353862  <4>[   40.167408] CPU: 3 PID: 1574 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3897 00:28:27.360511  <4>[   40.176347] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3898 00:28:27.364119  <4>[   40.183442] Call Trace:

 3899 00:28:27.367065  <4>[   40.186460]  dump_stack+0x77/0x9b

 3900 00:28:27.367673  : 00010282

 3901 00:28:27.377437  # [   37.683840] RAX: ffffffff8897bd40 RBX: 00000000<4>[   40.190475]  ___might_sleep.cold+0xa6/0xb6

 3902 00:28:27.383990  <4>[   40.201553]  exit_signals+0x1c/0x300

 3903 00:28:27.386908  <4>[   40.205831]  do_exit+0xc2/0xab0

 3904 00:28:27.389922  <4>[   40.209625]  ? ksys_write+0x68/0xf0

 3905 00:28:27.393719  <4>[   40.213808]  make_task_dead+0x2f/0x30

 3906 00:28:27.400443  <4>[   40.218186]  rewind_stack_and_make_dead+0x17/0x20

 3907 00:28:27.403225  <4>[   40.223727] RIP: 0033:0x7fd869ce5473

 3908 00:28:27.426759  <4>[   40.228006] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3909 00:28:27.433909  <4>[   40.249271] RSP: 002b:00007ffcf6882c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3910 00:28:27.443225  <4>[   40.258009] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd869ce5473

 3911 00:28:27.449509  <4>[   40.266268] RDX: 000000000000000a RSI: 00007fd869bd9000 RDI: 0000000000000001

 3912 00:28:27.459209  <4>[   40.274537] RBP: 00007fd869bd9000 R08: 00007fd869bd8010 R09: 0000000000000000

 3913 00:28:27.466090  <4>[   40.282796] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3914 00:28:27.475941  <4>[   40.291057] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3915 00:28:27.479108  00000001 RCX: 0000000000000000

 3916 00:28:27.485739  # [   37.692101] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 3917 00:28:27.495605  # [   37.700362] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 3918 00:28:27.502441  # [   37.708623] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3919 00:28:27.512314  # [   37.716884] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 3920 00:28:27.522322  # [   37.725145] FS:  00007fd8553e9580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 3921 00:28:27.528511  # [   37.734488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3922 00:28:27.535269  # [   37.741194] CR2: ffffa86a818a8000 CR3: 0000000104404002 CR4: 00000000003706e0

 3923 00:28:27.541795  # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok

 3924 00:28:27.545850  ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3925 00:28:27.548903  # selftests: lkdtm: UNSET_SMEP.sh

 3926 00:28:27.554835  # [   37.881666] lkdtm: Performing direct entry UNSET_SMEP

 3927 00:28:27.561553  # [   37.892163] lkdtm: trying to clear SMEP normally

 3928 00:28:27.565461  # [   37.897618] ------------[ cut here ]------------

 3929 00:28:27.571324  # [   37.903072] pinned CR4 bits changed: 0x100000!?

 3930 00:28:27.581416  # [   37.908426] WARNING: CPU: 3 PID: 1051 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60

 3931 00:28:27.610952  # [   37.918929] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2<6>[   40.428001] lkdtm: Performing direct entry EXEC_STACK

 3932 00:28:27.617548  <6>[   40.435837] lkdtm: attempting ok execution at ffffffff8897c110

 3933 00:28:27.627293  <6>[   40.442679] lkdtm: attempting bad execution at ffffa86a82247e18

 3934 00:28:27.634118  <2>[   40.449610] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3935 00:28:27.650684  _vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros<1>[   40.458269] BUG: unable to handle page fault for address: ffffa86a82247e18

 3936 00:28:27.657468  <1>[   40.472455] #PF: supervisor instruction fetch in kernel mode

 3937 00:28:27.660251  <1>[   40.479069] #PF: error_code(0x0011) - permissions violation

 3938 00:28:27.677091  _u<sbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x866>[   40.485573] PGD 100000067 P4D 100000067 PUD 100248067 PMD 104643067 PTE 80000001040d1063

 3939 00:28:27.680384  <4>[   40.501125] Oops: 0011 [#6] SMP PTI

 3940 00:28:27.690250  <4>[   40.505310] CPU: 3 PID: 1611 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3941 00:28:27.696877  <4>[   40.514252] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3942 00:28:27.703598  <4>[   40.521348] RIP: 0010:0xffffa86a82247e18

 3943 00:28:27.723197  <4>[   40.526016] Code: 00 00 18 7e 24 82 6a a8 ff ff 2e f6 05 89 ff ff ff ff 20 00 00 00 00 00 00 00 66 2a f8 89 ff ff ff ff 5d f7 05 89 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 3944 00:28:27.729546  <4>[   40.547291] RSP: 0018:ffffa86a82247df8 EFLAGS: 00010246

 3945 00:28:27.740019  <4>[   40.553408] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3946 00:28:27.746416  <4>[   40.561669] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 3947 00:28:27.756174  <4>[   40.569930] RBP: ffffa86a82247e18 R08: 0000000000000000 R09: 0000000000000000

 3948 00:28:27.762827  <4>[   40.578191] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3949 00:28:27.772870  <4>[   40.586451] R13: ffffa86a82247f10 R14: ffffa86a82247f10 R15: ffff902344767000

 3950 00:28:27.780114  <4>[   40.594711] FS:  00007f9bcb4e0580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 3951 00:28:27.786865  <4>[   40.604041] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3952 00:28:27.796059  <4>[   40.610748] CR2: ffffa86a82247e18 CR3: 0000000103cb6005 CR4: 00000000003706e0

 3953 00:28:27.799419  <4>[   40.619008] Call Trace:

 3954 00:28:27.802627  <4>[   40.622027]  ? __die_body.cold+0x1a/0x1f

 3955 00:28:27.809544  <4>[   40.626698]  ? no_context+0x177/0x380

 3956 00:28:27.812581  <4>[   40.631078]  ? exc_page_fault+0xd7/0x170

 3957 00:28:27.815616  <4>[   40.635747]  ? asm_exc_page_fault+0x1e/0x30

 3958 00:28:27.828825  _pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common<4>[   40.640721]  ? execute_location+0x45/0x56

 3959 00:28:27.832398  <4>[   40.651700]  ? lkdtm_EXEC_STACK+0x26/0x44

 3960 00:28:27.838663  <4>[   40.656490]  ? direct_entry.cold+0x2c/0x38

 3961 00:28:27.842287  <4>[   40.661348]  ? full_proxy_write+0x53/0x80

 3962 00:28:27.845518  <4>[   40.666112]  ? vfs_write+0xe7/0x3b0

 3963 00:28:27.852465  <4>[   40.670287]  ? ksys_write+0x68/0xf0

 3964 00:28:27.855181  <4>[   40.674489]  ? do_syscall_64+0x30/0x40

 3965 00:28:27.862738  <4>[   40.678964]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3966 00:28:27.921692   regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chr<4>[   40.685082] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 3967 00:28:27.924785  <4>[   40.744075] CR2: ffffa86a82247e18

 3968 00:28:27.932331  <4>[   40.748063] ---[ end trace 74b841559c2f9304 ]---

 3969 00:28:27.935119  <4>[   40.753509] RIP: 0010:lkdtm_BUG+0x5/0x10

 3970 00:28:27.957833  <4>[   40.758178] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 3971 00:28:27.960916  <4>[   40.779450] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 3972 00:28:27.971600  <4>[   40.785575] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 3973 00:28:27.977467  <4>[   40.793835] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 3974 00:28:27.987516  <4>[   40.802096] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 3975 00:28:27.993806  <4>[   40.810355] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3976 00:28:28.003862  <4>[   40.818616] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 3977 00:28:28.013621  <4>[   40.826878] FS:  00007f9bcb4e0580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 3978 00:28:28.020172  <4>[   40.836207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3979 00:28:28.027259  <4>[   40.842914] CR2: ffffa86a82247e18 CR3: 0000000103cb6005 CR4: 00000000003706e0

 3980 00:28:28.030738  omeos_pstore coreboot_table

 3981 00:28:28.039759  # [   37.977941] CPU: 3 PID: 1051 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 3982 00:28:28.047015  # [   37.986893] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3983 00:28:28.053167  # [   38.000202] RIP: 0010:native_write_cr4+0x45/0x60

 3984 00:28:28.072913  # [   38.005650] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d b8 5e 66 02 00 75 f2 48 c7 c7 b0 05 e8 89 c6 05 a8 5e 66 02 01 e8 75 55 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3985 00:28:28.080220  # [   38.026927] RSP: 0018:ffffa86a81947e48 EFLAGS: 00010286

 3986 00:28:28.085846  # [   38.033053] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000

 3987 00:28:28.096178  # [   38.041309] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 3988 00:28:28.103102  # [   38.049572] RBP: ffffffff89f8293d R08: 0000000000000000 R09: 0000000000000000

 3989 00:28:28.112825  # [   38.057835] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3990 00:28:28.119131  # [   38.066098] R13: ffffa86a81947f10 R14: ffffa86a81947f10 R15: ffff902343cba000

 3991 00:28:28.129588  # [   38.074361] FS:  00007f7c9307f580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 3992 00:28:28.135692  # [   38.083692] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3993 00:28:28.142115  # [   38.090393] CR2: 00007f7c92e89000 CR3: 0000000106406004 CR4: 00000000003706e0

 3994 00:28:28.145754  # [   38.098655] Call Trace:

 3995 00:28:28.148901  # [   38.101678]  ? __warn+0x80/0x110

 3996 00:28:28.159053  # [   38.105604] <6>[   40.973286] lkdtm: Performing direct entry EXEC_KMALLOC

 3997 00:28:28.165666  <6>[   40.981819] lkdtm: attempting ok execution at ffffffff8897c110

 3998 00:28:28.172926  <6>[   40.988636] lkdtm: attempting bad execution at ffff902343d443c0

 3999 00:28:28.182017  <2>[   40.995557] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4000 00:28:28.188885  <1>[   41.004215] BUG: unable to handle page fault for address: ffff902343d443c0

 4001 00:28:28.195239  <1>[   41.012185] #PF: supervisor instruction fetch in kernel mode

 4002 00:28:28.201847  <1>[   41.018794] #PF: error_code(0x0011) - permissions violation

 4003 00:28:28.211946  <6>[   41.025306] PGD 134001067 P4D 134001067 PUD 10024b063 PMD 105b4a063 PTE 8000000103d44063

 4004 00:28:28.214879  <4>[   41.034640] Oops: 0011 [#7] SMP PTI

 4005 00:28:28.225244  <4>[   41.038812] CPU: 3 PID: 1648 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4006 00:28:28.231339  <4>[   41.047753] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4007 00:28:28.234983  <4>[   41.054851] RIP: 0010:0xffff902343d443c0

 4008 00:28:28.257677  <4>[   41.059538] Code: ff ff 80 2d 95 44 23 90 ff ff c0 2d 95 44 23 90 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4009 00:28:28.264651  <4>[   41.080804] RSP: 0018:ffffa86a822e7e38 EFLAGS: 00010246

 4010 00:28:28.271743  <4>[   41.086929] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4011 00:28:28.281332  <4>[   41.095189] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 4012 00:28:28.288262  <4>[   41.103451] RBP: ffff902343d443c0 R08: 0000000000000000 R09: 0000000000000000

 4013 00:28:28.297196  <4>[   41.111705] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4014 00:28:28.300990   ? native_write_cr4+0x45/0x60

 4015 00:28:28.310654  # [   38.110375]  ? report_bug+0x<4>[   41.119969] R13: ffffa86a822e7f10 R14: ffffa86a822e7f10 R15: ffff9023431b7000

 4016 00:28:28.320358  <4>[   41.134448] FS:  00007f7293c74580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4017 00:28:28.327170  <4>[   41.143778] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4018 00:28:28.334219  <4>[   41.150490] CR2: ffff902343d443c0 CR3: 000000010389c003 CR4: 00000000003706e0

 4019 00:28:28.337654  <4>[   41.158751] Call Trace:

 4020 00:28:28.343858  <4>[   41.161771]  ? __die_body.cold+0x1a/0x1f

 4021 00:28:28.347106  <4>[   41.166439]  ? no_context+0x177/0x380

 4022 00:28:28.353623  <4>[   41.170811]  ? exc_page_fault+0xd7/0x170

 4023 00:28:28.357606  <4>[   41.175488]  ? asm_exc_page_fault+0x1e/0x30

 4024 00:28:28.360102  <4>[   41.180443]  ? execute_location+0x45/0x56

 4025 00:28:28.367132  <4>[   41.185208]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 4026 00:28:28.370145  <4>[   41.190168]  ? direct_entry.cold+0x2c/0x38

 4027 00:28:28.376575  <4>[   41.195031]  ? full_proxy_write+0x53/0x80

 4028 00:28:28.380209  <4>[   41.199788]  ? vfs_write+0xe7/0x3b0

 4029 00:28:28.383410  <4>[   41.203970]  ? ksys_write+0x68/0xf0

 4030 00:28:28.390213  <4>[   41.208155]  ? do_syscall_64+0x30/0x40

 4031 00:28:28.396794  <4>[   41.212627]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4032 00:28:28.397281  9e/0xc0

 4033 00:28:28.399618  # [   38.120777]  ? handle_bug+0x41/0x90

 4034 00:28:28.455879  # [   38.1311<4>[   41.218754] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4035 00:28:28.459326  <4>[   41.277751] CR2: ffff902343d443c0

 4036 00:28:28.462658  <4>[   41.281731] ---[ end trace 74b841559c2f9305 ]---

 4037 00:28:28.469731  <4>[   41.287165] RIP: 0010:lkdtm_BUG+0x5/0x10

 4038 00:28:28.489085  <4>[   41.291832] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 4039 00:28:28.496102  <4>[   41.313108] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 4040 00:28:28.506041  <4>[   41.319224] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 4041 00:28:28.511636  <4>[   41.327494] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 4042 00:28:28.522196  <4>[   41.335745] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 4043 00:28:28.528309  <4>[   41.344004] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4044 00:28:28.538535  <4>[   41.352265] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 4045 00:28:28.545328  <4>[   41.360538] FS:  00007f7293c74580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4046 00:28:28.552084  <4>[   41.369865] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4047 00:28:28.561449  <4>[   41.376572] CR2: ffff902343d443c0 CR3: 000000010389c003 CR4: 00000000003706e0

 4048 00:28:28.571684  <3>[   41.384834] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4049 00:28:28.581390  <3>[   41.395039] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1648, name: cat

 4050 00:28:28.584718  <4>[   41.403785] INFO: lockdep is turned off.

 4051 00:28:28.588279  <4>[   41.408452] irq event stamp: 0

 4052 00:28:28.594524  <4>[   41.412149] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4053 00:28:28.604828  <4>[   41.419439] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 4054 00:28:28.614446  <4>[   41.428858] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 4055 00:28:28.621464  <4>[   41.438284] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4056 00:28:28.630615  <4>[   41.445574] CPU: 3 PID: 1648 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4057 00:28:28.637872  <4>[   41.454513] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4058 00:28:28.640537  <4>[   41.461608] Call Trace:

 4059 00:28:28.644354  <4>[   41.464628]  dump_stack+0x77/0x9b

 4060 00:28:28.650521  <4>[   41.468617]  ___might_sleep.cold+0xa6/0xb6

 4061 00:28:28.653878  <4>[   41.473490]  exit_signals+0x1c/0x300

 4062 00:28:28.657392  <4>[   41.477769]  do_exit+0xc2/0xab0

 4063 00:28:28.664287  <4>[   41.481565]  ? ksys_write+0x68/0xf0

 4064 00:28:28.667288  <4>[   41.485749]  make_task_dead+0x2f/0x30

 4065 00:28:28.673906  <4>[   41.490125]  rewind_stack_and_make_dead+0x17/0x20

 4066 00:28:28.677095  <4>[   41.495667] RIP: 0033:0x7f7293b8a473

 4067 00:28:28.696896  <4>[   41.499947] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4068 00:28:28.707032  <4>[   41.521221] RSP: 002b:00007ffffbd5a6e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4069 00:28:28.713235  <4>[   41.529966] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f7293b8a473

 4070 00:28:28.723567  <4>[   41.538227] RDX: 000000000000000d RSI: 00007f7293a7e000 RDI: 0000000000000001

 4071 00:28:28.729660  <4>[   41.546488] RBP: 00007f7293a7e000 R08: 00007f7293a7d010 R09: 0000000000000000

 4072 00:28:28.740594  <4>[   41.554739] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4073 00:28:28.746485  <4>[   41.562999] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4074 00:28:28.749587  78]  ? exc_invalid_op+0x14/0x70

 4075 00:28:28.756299  # [   38.135782]  ? asm_exc_invalid_op+0x12/0x20

 4076 00:28:28.759327  # [   38.140752]  ? native_write_cr4+0x45/0x60

 4077 00:28:28.766073  # [   38.145539]  ? native_write_cr4+0x45/0x60

 4078 00:28:28.769430  # [   38.156522]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 4079 00:28:28.776493  # [   38.161705]  direct_entry.cold+0x2c/0x38

 4080 00:28:28.779466  # [   38.166380]  full_proxy_write+0x53/0x80

 4081 00:28:28.782784  # [   38.177172]  vfs_write+0xe7/0x3b0

 4082 00:28:28.786283  # [   38.181189]  ksys_write+0x68/0xf0

 4083 00:28:28.792800  # [   38.191394]  do_syscall_64+0x30/0x40

 4084 00:28:28.795771  # [   38.195700]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4085 00:28:28.802426  # [   38.201633] RIP: 0033:0x7f7c92f95473

 4086 00:28:28.822762  # [   38.205917] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4087 00:28:28.832446  # [   38.227197] RSP: 002b:00007fff814894c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4088 00:28:28.839402  # [   38.235977] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f7c92f95473

 4089 00:28:28.848566  # [   38.250448] RDX: 000000000000000b RSI: 00007f7c92e89000 RDI: 0000000000000001

 4090 00:28:28.855525  # [   38.258711] RBP: 00007f7c92e89000 R08: 00007f7c92e88010 R09: 0000000000000000

 4091 00:28:28.865037  # [   38.266963] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4092 00:28:28.871454  # [   38.275228] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4093 00:28:28.874801  # [   38.283499] irq event stamp: 0

 4094 00:28:28.884971  # [   38.293411] hardirqs last<6>[   41.700759] lkdtm: Performing direct entry EXEC_VMALLOC

 4095 00:28:28.891377  <6>[   41.708010] lkdtm: attempting ok execution at ffffffff8897c110

 4096 00:28:28.894632    enabled at (0): [<0000000000000000>] 0x0

 4097 00:28:28.905014  # [   38.300706] har<6>[   41.714827] lkdtm: attempting bad execution at ffffa86a80373000

 4098 00:28:28.914826  <2>[   41.727947] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4099 00:28:28.921409  <1>[   41.736602] BUG: unable to handle page fault for address: ffffa86a80373000

 4100 00:28:28.927802  <1>[   41.744573] #PF: supervisor instruction fetch in kernel mode

 4101 00:28:28.934271  <1>[   41.751183] #PF: error_code(0x0011) - permissions violation

 4102 00:28:28.951188  di<rqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x6>[   41.757698] PGD 100000067 P4D 100000067 PUD 100248067 PMD 10095e067 PTE 8000000103901063

 4103 00:28:28.954028  <4>[   41.773249] Oops: 0011 [#8] SMP PTI

 4104 00:28:28.964096  <4>[   41.777434] CPU: 2 PID: 1685 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4105 00:28:28.970578  <4>[   41.786376] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4106 00:28:28.974197  <4>[   41.793493] RIP: 0010:0xffffa86a80373000

 4107 00:28:28.983921  <4>[   41.798162] Code: Unable to access opcode bytes at RIP 0xffffa86a80372fd6.

 4108 00:28:28.987958  <4>[   41.806122] RSP: 0018:ffffa86a8236fe38 EFLAGS: 00010246

 4109 00:28:28.996795  <4>[   41.812248] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4110 00:28:29.003778  <4>[   41.820501] RDX: 0000000000000000 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50

 4111 00:28:29.013520  <4>[   41.828753] RBP: ffffa86a80373000 R08: 0000000000000000 R09: 0000000000000000

 4112 00:28:29.020008  <4>[   41.837011] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4113 00:28:29.030289  <4>[   41.845270] R13: ffffa86a8236ff10 R14: ffffa86a8236ff10 R15: ffff902343901000

 4114 00:28:29.039785  <4>[   41.853544] FS:  00007f86f41a3580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 4115 00:28:29.046422  <4>[   41.862873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4116 00:28:29.053076  <4>[   41.869580] CR2: ffffa86a80372fd6 CR3: 0000000106564003 CR4: 00000000003706e0

 4117 00:28:29.056507  <4>[   41.877841] Call Trace:

 4118 00:28:29.063379  <4>[   41.880861]  ? __die_body.cold+0x1a/0x1f

 4119 00:28:29.066356  <4>[   41.885541]  ? no_context+0x177/0x380

 4120 00:28:29.070576  <4>[   41.889920]  ? exc_page_fault+0xd7/0x170

 4121 00:28:29.076662  <4>[   41.894589]  ? asm_exc_page_fault+0x1e/0x30

 4122 00:28:29.079616  <4>[   41.899554]  ? execute_location+0x45/0x56

 4123 00:28:29.086126  <4>[   41.904321]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4124 00:28:29.089734  <4>[   41.909280]  ? direct_entry.cold+0x2c/0x38

 4125 00:28:29.096406  <4>[   41.914145]  ? full_proxy_write+0x53/0x80

 4126 00:28:29.099718  <4>[   41.918911]  ? vfs_write+0xe7/0x3b0

 4127 00:28:29.103100  <4>[   41.923085]  ? ksys_write+0x68/0xf0

 4128 00:28:29.109099  <4>[   41.927270]  ? do_syscall_64+0x30/0x40

 4129 00:28:29.115973  <4>[   41.931744]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4130 00:28:29.116445  65c/0x20e0

 4131 00:28:29.172108  # [   38.310134] softirqs last  enabled at (0): [<ff<4>[   41.937872] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4132 00:28:29.179087  <4>[   41.996869] CR2: ffffa86a80373000

 4133 00:28:29.182738  <4>[   42.000856] ---[ end trace 74b841559c2f9306 ]---

 4134 00:28:29.188605  <4>[   42.006301] RIP: 0010:lkdtm_BUG+0x5/0x10

 4135 00:28:29.208953  <4>[   42.010969] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 4136 00:28:29.214749  <4>[   42.032243] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 4137 00:28:29.224650  <4>[   42.038367] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 4138 00:28:29.231251  <4>[   42.046629] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 4139 00:28:29.241628  <4>[   42.054888] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 4140 00:28:29.248486  <4>[   42.063148] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4141 00:28:29.257950  <4>[   42.071407] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 4142 00:28:29.264626  <4>[   42.079667] FS:  00007f86f41a3580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 4143 00:28:29.270888  <4>[   42.088997] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4144 00:28:29.282232  <4>[   42.095703] CR2: ffffa86a80372fd6 CR3: 0000000106564003 CR4: 00000000003706e0

 4145 00:28:29.284198  ffffff87efd6cc>] copy_process+0x65c/0x20e0

 4146 00:28:29.290762  # [   38.319562] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4147 00:28:29.297039  # [   38.326854] ---[ end trace 74b841559c2f9302 ]---

 4148 00:28:29.303834  # [   38.332301] lkdtm: ok: SMEP did not get cleared

 4149 00:28:29.308290  # [   38.337649] lkdtm: trying to clear SMEP with call gadget

 4150 00:28:29.313976  # [   38.343872] lkdtm: ok: SMEP removal was reverted

 4151 00:28:29.320661  # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok

 4152 00:28:29.323701  ok 14 selftests: lkdtm: UNSET_SMEP.sh

 4153 00:28:29.327068  # selftests: lkdtm: DOUBLE_FAULT.sh

 4154 00:28:29.333781  # [   38.461292] lkdtm: Performing direct entry DOUBLE_FAULT

 4155 00:28:29.336960  # [   38.473596] lkdtm: XFAIL: this test is ia32-only

 4156 00:28:29.340143  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]

 4157 00:28:29.346558  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP

 4158 00:28:29.349901  # selftests: lkdtm: CORRUPT_PAC.sh

 4159 00:28:29.356894  # [   38.609735] lkdtm: Performing direct entry CORRUPT_PAC

 4160 00:28:29.359954  # [   38.621809] lkdtm: XFAIL: this test is arm64-only

 4161 00:28:29.363353  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 4162 00:28:29.367139  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 4163 00:28:29.373611  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 4164 00:28:29.380225  # [   38.726807] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 4165 00:28:29.390174  # [   38.740561] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 4166 00:28:29.394350  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 4167 00:28:29.400187  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 4168 00:28:29.403763  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 4169 00:28:29.410202  # Skip<6>[   42.225600] lkdtm: Performing direct entry EXEC_RODATA

 4170 00:28:29.417158  <6>[   42.234334] lkdtm: attempting ok execution at ffffffff8897c110

 4171 00:28:29.423219  <6>[   42.241147] lkdtm: attempting bad execution at ffffffff89af8940

 4172 00:28:29.433119  <2>[   42.248068] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4173 00:28:29.439557  <1>[   42.256725] BUG: unable to handle page fault for address: ffffffff89af8940

 4174 00:28:29.446558  <1>[   42.264695] #PF: supervisor instruction fetch in kernel mode

 4175 00:28:29.452953  <1>[   42.271307] #PF: error_code(0x0011) - permissions violation

 4176 00:28:29.463048  <6>[   42.277812] PGD 132629067 P4D 132629067 PUD 13262a063 PMD 8000000131e000e1 

 4177 00:28:29.466565  <4>[   42.285882] Oops: 0011 [#9] SMP PTI

 4178 00:28:29.476319  <4>[   42.290064] CPU: 3 PID: 1722 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4179 00:28:29.482943  <4>[   42.299003] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4180 00:28:29.489258  <4>[   42.306103] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4181 00:28:29.509587  <4>[   42.312132] Code: ff ff cd 0b 06 89 ff ff ff ff b2 2c f8 89 ff ff ff ff 13 f3 05 89 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 <e9> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69

 4182 00:28:29.515790  <4>[   42.333401] RSP: 0018:ffffa86a823d7e48 EFLAGS: 00010246

 4183 00:28:29.526091  <4>[   42.339538] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4184 00:28:29.532142  <4>[   42.347799] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 4185 00:28:29.542323  <4>[   42.356060] RBP: ffffffff89af8940 R08: 0000000000000000 R09: 0000000000000000

 4186 00:28:29.548559  <4>[   42.364322] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4187 00:28:29.558216  <4>[   42.372584] R13: ffffa86a823d7f10 R14: ffffa86a823d7f10 R15: ffff9023441c8000

 4188 00:28:29.564671  <4>[   42.380847] FS:  00007fec57124580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4189 00:28:29.571445  <4>[   42.390179] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4190 00:28:29.581356  <4>[   42.396878] CR2: ffffffff89af8940 CR3: 000000010097e001 CR4: 00000000003706e0

 4191 00:28:29.584719  <4>[   42.405141] Call Trace:

 4192 00:28:29.587957  <4>[   42.408160]  ? __die_body.cold+0x1a/0x1f

 4193 00:28:29.594702  <4>[   42.412830]  ? no_context+0x177/0x380

 4194 00:28:29.597765  <4>[   42.417210]  ? exc_page_fault+0xd7/0x170

 4195 00:28:29.604738  <4>[   42.421877]  ? asm_exc_page_fault+0x1e/0x30

 4196 00:28:29.607836  <4>[   42.426841]  ? execute_location+0x45/0x56

 4197 00:28:29.614343  <4>[   42.431605]  ? direct_entry.cold+0x2c/0x38

 4198 00:28:29.617522  <4>[   42.436491]  ? full_proxy_write+0x53/0x80

 4199 00:28:29.620956  <4>[   42.441259]  ? vfs_write+0xe7/0x3b0

 4200 00:28:29.628725  <4>[   42.445435]  ? ksys_write+0x68/0xf0

 4201 00:28:29.630847  <4>[   42.449619]  ? do_syscall_64+0x30/0x40

 4202 00:28:29.637330  <4>[   42.454093]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4203 00:28:29.641056  ping OVERWRITE_ALLOCATION: Corrupts memory on failure

 4204 00:28:29.696882  ok 18 sel<4>[   42.460213] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4205 00:28:29.700849  <4>[   42.519207] CR2: ffffffff89af8940

 4206 00:28:29.703265  <4>[   42.523196] ---[ end trace 74b841559c2f9307 ]---

 4207 00:28:29.710045  <4>[   42.528641] RIP: 0010:lkdtm_BUG+0x5/0x10

 4208 00:28:29.729721  <4>[   42.533310] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 4209 00:28:29.736345  <4>[   42.554574] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 4210 00:28:29.746312  <4>[   42.560715] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 4211 00:28:29.753083  <4>[   42.568976] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 4212 00:28:29.763021  <4>[   42.577236] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 4213 00:28:29.769693  <4>[   42.585497] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4214 00:28:29.779526  <4>[   42.593757] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 4215 00:28:29.789505  <4>[   42.602017] FS:  00007fec57124580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4216 00:28:29.796891  <4>[   42.611346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4217 00:28:29.802786  <4>[   42.618051] CR2: ffffffff89af8940 CR3: 000000010097e001 CR4: 00000000003706e0

 4218 00:28:29.812251  <3>[   42.626313] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4219 00:28:29.822420  <3>[   42.636508] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1722, name: cat

 4220 00:28:29.825518  <4>[   42.645255] INFO: lockdep is turned off.

 4221 00:28:29.828647  <4>[   42.649923] irq event stamp: 0

 4222 00:28:29.838603  <4>[   42.653620] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4223 00:28:29.845572  <4>[   42.660901] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 4224 00:28:29.854997  <4>[   42.670327] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 4225 00:28:29.865387  <4>[   42.679754] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4226 00:28:29.871986  <4>[   42.687036] CPU: 3 PID: 1722 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4227 00:28:29.878278  <4>[   42.695978] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4228 00:28:29.881775  <4>[   42.703071] Call Trace:

 4229 00:28:29.888145  <4>[   42.706090]  dump_stack+0x77/0x9b

 4230 00:28:29.891713  <4>[   42.710079]  ___might_sleep.cold+0xa6/0xb6

 4231 00:28:29.894614  <4>[   42.714935]  exit_signals+0x1c/0x300

 4232 00:28:29.898784  <4>[   42.719215]  do_exit+0xc2/0xab0

 4233 00:28:29.904558  <4>[   42.723011]  ? ksys_write+0x68/0xf0

 4234 00:28:29.908401  <4>[   42.727185]  make_task_dead+0x2f/0x30

 4235 00:28:29.914411  <4>[   42.731553]  rewind_stack_and_make_dead+0x17/0x20

 4236 00:28:29.918244  <4>[   42.737095] RIP: 0033:0x7fec5703a473

 4237 00:28:29.938221  <4>[   42.741374] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4238 00:28:29.947419  <4>[   42.762640] RSP: 002b:00007ffc1943ae08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4239 00:28:29.957526  <4>[   42.771388] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fec5703a473

 4240 00:28:29.964272  <4>[   42.779638] RDX: 000000000000000c RSI: 00007fec56f2e000 RDI: 0000000000000001

 4241 00:28:29.974634  <4>[   42.787898] RBP: 00007fec56f2e000 R08: 00007fec56f2d010 R09: 0000000000000000

 4242 00:28:29.980961  <4>[   42.796160] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4243 00:28:29.990760  <4>[   42.804421] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4244 00:28:29.993776  ftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 4245 00:28:29.997358  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 4246 00:28:30.004225  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 4247 00:28:30.006899  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 4248 00:28:30.013237  # selftests: lkdtm: READ_AFTER_FREE.sh

 4249 00:28:30.020463  # [   38.932098] lkdtm: Performing direct entry READ_AFTER_FREE

 4250 00:28:30.023410  # [   38.941318] lkdtm: Value in memory before free: 12345678

 4251 00:28:30.030415  # [   38.953784] lkdtm: Attempting bad read from freed memory

 4252 00:28:30.036470  # [   38.966194] lkdtm: Memory was not poisoned

 4253 00:28:30.040318  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 4254 00:28:30.046377  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 4255 00:28:30.049760  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh

 4256 00:28:30.056418  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure

 4257 00:28:30.063411  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP

 4258 00:28:30.066357  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 4259 00:28:30.073078  # [   39.101537] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 4260 00:28:30.079490  # [   39.114804] lkdtm: Value in memory before free: 12345678

 4261 00:28:30.085977  # [   39.121064] lkdtm: Attempting to read from freed memory

 4262 00:28:30.089281  # [   39.127217] lkdtm: Buddy page was not poisoned

 4263 00:28:30.095808  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 4264 00:28:30.103287  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 4265 00:28:30.105673  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 4266 00:28:30.112147  # [   39.242671] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 4267 00:28:30.118767  # [   39.250920] lkdtm: Attempting double slab free ...

 4268 00:28:30.122321  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]

 4269 00:28:30.133044  not ok 23 selftests: lkdtm:<6>[   42.943282] lkdtm: Performing direct entry EXEC_USERSPACE

 4270 00:28:30.139701  <6>[   42.955785] lkdtm: attempting ok execution at ffffffff8897c110

 4271 00:28:30.146058  <6>[   42.962616] lkdtm: attempting bad execution at 00007ff3bdf86000

 4272 00:28:30.152047  <2>[   42.969565] unable to execute userspace code (SMEP?) (uid: 0)

 4273 00:28:30.155554   SLAB_FREE_DOUBLE.sh # exit=1

 4274 00:28:30.165147  # selftests: lkdtm: SLAB_FREE_CRO<1>[   42.976280] BUG: unable to handle page fault for address: 00007ff3bdf86000

 4275 00:28:30.172014  <1>[   42.990467] #PF: supervisor instruction fetch in kernel mode

 4276 00:28:30.175729  SS.sh

 4277 00:28:30.185676  # [   39.366610] lkdtm: Performing direct entry SLAB_FREE<1>[   42.997079] #PF: error_code(0x0011) - permissions violation

 4278 00:28:30.188953  _CROSS

 4279 00:28:30.201876  # [   39.374925] lkdtm: Attempting cross-cache slab free<6>[   43.009807] PGD 8000000106477067 P4D 8000000106477067 PUD 103009067 PMD 1047e3067 PTE 106835067

 4280 00:28:30.207820  <4>[   43.026038] Oops: 0011 [#10] SMP PTI

 4281 00:28:30.214756  <4>[   43.030320] CPU: 3 PID: 1759 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4282 00:28:30.221394  <4>[   43.039263] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4283 00:28:30.227447  <4>[   43.046365] RIP: 0010:0x7ff3bdf86000

 4284 00:28:30.227562   ...

 4285 00:28:30.231135  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 4286 00:28:30.240834  not ok 2<4>[   43.050645] Code: Unable to access opcode bytes at RIP 0x7ff3bdf85fd6.

 4287 00:28:30.248136  <4>[   43.064443] RSP: 0018:ffffa86a824a7e50 EFLAGS: 00010246

 4288 00:28:30.254895  <4>[   43.070567] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4289 00:28:30.264482  <4>[   43.078827] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 4290 00:28:30.271260  <4>[   43.087089] RBP: 00007ff3bdf86000 R08: 0000000000000000 R09: 0000000000000000

 4291 00:28:30.280999  <4>[   43.095348] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 4292 00:28:30.287404  <4>[   43.103610] R13: ffffa86a824a7f10 R14: ffffa86a824a7f10 R15: ffff9023440d6000

 4293 00:28:30.297511  <4>[   43.111870] FS:  00007ff3bdf57580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4294 00:28:30.303989  <4>[   43.121200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4295 00:28:30.313846  <4>[   43.127908] CR2: 00007ff3bdf86000 CR3: 0000000103904003 CR4: 00000000003706e0

 4296 00:28:30.318134  <4>[   43.136168] Call Trace:

 4297 00:28:30.321139  <4>[   43.139189]  ? __die_body.cold+0x1a/0x1f

 4298 00:28:30.324033  <4>[   43.143859]  ? no_context+0x177/0x380

 4299 00:28:30.331441  <4>[   43.148237]  ? exc_page_fault+0x53/0x170

 4300 00:28:30.333718  <4>[   43.152905]  ? asm_exc_page_fault+0x1e/0x30

 4301 00:28:30.340418  <4>[   43.157869]  ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae

 4302 00:28:30.343968  <4>[   43.163507]  ? direct_entry.cold+0x2c/0x38

 4303 00:28:30.350455  <4>[   43.168372]  ? full_proxy_write+0x53/0x80

 4304 00:28:30.354115  <4>[   43.173138]  ? vfs_write+0xe7/0x3b0

 4305 00:28:30.357316  <4>[   43.177313]  ? ksys_write+0x68/0xf0

 4306 00:28:30.363731  <4>[   43.181496]  ? do_syscall_64+0x30/0x40

 4307 00:28:30.370991  <4>[   43.185971]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4308 00:28:30.374260  4 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 4309 00:28:30.426724  # selftests: lk<4>[   43.192098] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4310 00:28:30.432831  <4>[   43.251087] CR2: 00007ff3bdf86000

 4311 00:28:30.437173  <4>[   43.255076] ---[ end trace 74b841559c2f9308 ]---

 4312 00:28:30.443013  <4>[   43.260514] RIP: 0010:lkdtm_BUG+0x5/0x10

 4313 00:28:30.463188  <4>[   43.265182] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 4314 00:28:30.469711  <4>[   43.286448] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 4315 00:28:30.476084  <4>[   43.292563] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 4316 00:28:30.485919  <4>[   43.300823] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 4317 00:28:30.492176  <4>[   43.309084] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 4318 00:28:30.502435  <4>[   43.317344] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4319 00:28:30.508921  <4>[   43.325603] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 4320 00:28:30.518875  <4>[   43.333863] FS:  00007ff3bdf57580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4321 00:28:30.525232  <4>[   43.343192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4322 00:28:30.535769  <4>[   43.349900] CR2: 00007ff3bdf86000 CR3: 0000000103904003 CR4: 00000000003706e0

 4323 00:28:30.538673  dtm: SLAB_FREE_PAGE.sh

 4324 00:28:30.542329  # [   39.472974] lkdtm: Performing direct entry SLAB_FREE_PAGE

 4325 00:28:30.548404  # [   39.480596] lkdtm: Attempting non-Slab slab free ...

 4326 00:28:30.555483  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 4327 00:28:30.558302  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 4328 00:28:30.561650  # selftests: lkdtm: SOFTLOCKUP.sh

 4329 00:28:30.565178  # Skipping SOFTLOCKUP: Hangs the system

 4330 00:28:30.571809  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 4331 00:28:30.574756  # selftests: lkdtm: HARDLOCKUP.sh

 4332 00:28:30.578018  # Skipping HARDLOCKUP: Hangs the system

 4333 00:28:30.581290  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP

 4334 00:28:30.584740  # selftests: lkdtm: SPINLOCKUP.sh

 4335 00:28:30.591466  # Skipping SPINLOCKUP: Hangs the system

 4336 00:28:30.594825  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP

 4337 00:28:30.598527  # selftests: lkdtm: HUNG_TASK.sh

 4338 00:28:30.601240  # Skipping HUNG_TASK: Hangs the system

 4339 00:28:30.608331  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP

 4340 00:28:30.611403  # selftests: lkdtm: EXEC_DATA.sh

 4341 00:28:30.611937  # Killed

 4342 00:28:30.618252  # [   39.697911] lkdtm: Performing direct entry EXEC_DATA

 4343 00:28:30.624484  # [   39.709863] lkdtm: attempting ok execution at ffffffff8897c110

 4344 00:28:30.630948  # [   39.716730] lkdtm: attempting bad execution at ffffffff8ba33d40

 4345 00:28:30.637608  # [   39.723651] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4346 00:28:30.647359  # [   39.738505] BUG: unable to handle page fault for address: ffffffff8ba33d40

 4347 00:28:30.653819  # [   39.746490] #PF: supervisor instruction fetch in kernel mode

 4348 00:28:30.660364  # [   39.753100] #PF: error_code(0x0011) - permissions violation

 4349 00:28:30.663935  <6>[   43.477222] lkdtm: Performing direct entry EXEC_NULL

 4350 00:28:30.664367  

 4351 00:28:30.677190  # [   39.759614] PGD 132629067 P4D 132629067 PUD 13262a063 PMD <6>[   43.488449] lkdtm: attempting ok execution at ffffffff8897c110

 4352 00:28:30.681572  8000000133e000e3 

 4353 00:28:30.684169  # [   39.767684] Oops: 0011 [#5] SMP PTI

 4354 00:28:30.690307  # [<6>[   43.501494] lkdtm: attempting bad execution at 0000000000000000

 4355 00:28:30.706710     39.771858] CPU: 3 PID: 1574 Comm: cat Tainted: G      D W    <1>[   43.514620] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4356 00:28:30.712978  <1>[   43.528900] #PF: supervisor instruction fetch in kernel mode

 4357 00:28:30.713462       5.10.204-cip41 #1

 4358 00:28:30.723721  # [   39.780797] Hardware name: Google R<1>[   43.535512] #PF: error_code(0x0010) - not-present page

 4359 00:28:30.726669  am<mus/Rammus, BIOS  09/04/2020

 4360 00:28:30.733243  # [   39.787895] RIP: 0010:data_6>[   43.547754] PGD 0 P4D 0 

 4361 00:28:30.736377  <4>[   43.557089] Oops: 0010 [#11] SMP PTI

 4362 00:28:30.746563  <4>[   43.561368] CPU: 1 PID: 1796 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4363 00:28:30.753437  <4>[   43.570310] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4364 00:28:30.756628  <4>[   43.577398] RIP: 0010:0x0

 4365 00:28:30.766252  <4>[   43.580610] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 4366 00:28:30.773309  <4>[   43.588579] RSP: 0018:ffffa86a82507e48 EFLAGS: 00010246

 4367 00:28:30.779913  <4>[   43.594704] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4368 00:28:30.789742  <4>[   43.602964] RDX: 0000000000000000 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50

 4369 00:28:30.795795  <4>[   43.611226] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4370 00:28:30.806412  <4>[   43.619489] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4371 00:28:30.812371  <4>[   43.627741] R13: ffffa86a82507f10 R14: ffffa86a82507f10 R15: ffff90234639b000

 4372 00:28:30.823043  <4>[   43.636002] FS:  00007fd3c86e1580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 4373 00:28:30.828955  <4>[   43.645332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4374 00:28:30.835829  <4>[   43.652030] CR2: ffffffffffffffd6 CR3: 000000010639c005 CR4: 00000000003706e0

 4375 00:28:30.839197  <4>[   43.660291] Call Trace:

 4376 00:28:30.842831  ar<ea+0x0/0x40

 4377 00:28:30.851979  # [   39.792564] Code: ff ff 00 22 d2 44 23 90 ff4>[   43.663312]  ? __die_body.cold+0x1a/0x1f

 4378 00:28:30.855675  <4>[   43.674198]  ? no_context+0x177/0x380

 4379 00:28:30.865071   ff 00 21 d2 44 23 90 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 <4>[   43.678580]  ? exc_page_fault+0x53/0x170

 4380 00:28:30.872019  <4>[   43.689460]  ? asm_exc_page_fault+0x1e/0x30

 4381 00:28:30.882126  00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc<4>[   43.694441]  execute_location+0x45/0x56

 4382 00:28:30.885040  <4>[   43.705221]  direct_entry.cold+0x2c/0x38

 4383 00:28:30.891446  <4>[   43.709891]  full_proxy_write+0x53/0x80

 4384 00:28:30.895138   cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4385 00:28:30.901715  # [   39.813837] RSP: 0<4>[   43.714483]  vfs_write+0xe7/0x3b0

 4386 00:28:30.905354  <4>[   43.724690]  ksys_write+0x68/0xf0

 4387 00:28:30.908300  <4>[   43.728680]  do_syscall_64+0x30/0x40

 4388 00:28:30.915005  <4>[   43.732961]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4389 00:28:30.921872  <4>[   43.738883] RIP: 0033:0x7fd3c85f7473

 4390 00:28:30.940881  <4>[   43.743154] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4391 00:28:30.951150  <4>[   43.764429] RSP: 002b:00007ffddcd75348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4392 00:28:30.957849  <4>[   43.773177] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd3c85f7473

 4393 00:28:30.967436  <4>[   43.781438] RDX: 000000000000000a RSI: 00007fd3c84eb000 RDI: 0000000000000001

 4394 00:28:30.973979  <4>[   43.789700] RBP: 00007fd3c84eb000 R08: 00007fd3c84ea010 R09: 0000000000000000

 4395 00:28:30.984596  <4>[   43.797961] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4396 00:28:30.990611  <4>[   43.806222] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4397 00:28:30.993815  018:ffffa86a821a7e48 EFLAGS: 00010246

 4398 00:28:31.050046  # [   39.819954] RAX: 000<4>[   43.814492] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4399 00:28:31.053058  <4>[   43.873439] CR2: 0000000000000000

 4400 00:28:31.059612  <4>[   43.877428] ---[ end trace 74b841559c2f9309 ]---

 4401 00:28:31.063907  <4>[   43.882874] RIP: 0010:lkdtm_BUG+0x5/0x10

 4402 00:28:31.086068  <4>[   43.887541] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 4403 00:28:31.092935  <4>[   43.908815] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 4404 00:28:31.099483  <4>[   43.914931] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 4405 00:28:31.109547  <4>[   43.923192] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 4406 00:28:31.115817  <4>[   43.931454] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 4407 00:28:31.125777  <4>[   43.939706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4408 00:28:31.132557  <4>[   43.947967] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 4409 00:28:31.142789  <4>[   43.956227] FS:  00007fd3c86e1580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 4410 00:28:31.149001  <4>[   43.965555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4411 00:28:31.155510  <4>[   43.972262] CR2: ffffffffffffffd6 CR3: 000000010639c005 CR4: 00000000003706e0

 4412 00:28:31.168562  <3>[   43.980537] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4413 00:28:31.176014  <3>[   43.990744] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1796, name: cat

 4414 00:28:31.182272  <4>[   43.999489] INFO: lockdep is turned off.

 4415 00:28:31.184938  <4>[   44.004158] irq event stamp: 0

 4416 00:28:31.192138  <4>[   44.007854] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4417 00:28:31.201795  <4>[   44.015144] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 4418 00:28:31.211538  <4>[   44.024570] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 4419 00:28:31.218366  <4>[   44.033995] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4420 00:28:31.228449  <4>[   44.041285] CPU: 1 PID: 1796 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4421 00:28:31.234501  <4>[   44.050224] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4422 00:28:31.237712  <4>[   44.057317] Call Trace:

 4423 00:28:31.241250  <4>[   44.060335]  dump_stack+0x77/0x9b

 4424 00:28:31.247843  0000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4425 00:28:31.251207  # [  <4>[   44.064327]  ___might_sleep.cold+0xa6/0xb6

 4426 00:28:31.254517  <4>[   44.075401]  exit_signals+0x1c/0x300

 4427 00:28:31.268145   39.828213] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: fff<4>[   44.079682]  do_exit+0xc2/0xab0

 4428 00:28:31.271264  <4>[   44.089691]  ? ksys_write+0x68/0xf0

 4429 00:28:31.275038  <4>[   44.093874]  make_task_dead+0x2f/0x30

 4430 00:28:31.280834  <4>[   44.098250]  rewind_stack_and_make_dead+0x17/0x20

 4431 00:28:31.284626  <4>[   44.103794] RIP: 0033:0x7fd3c85f7473

 4432 00:28:31.307392  <4>[   44.108065] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4433 00:28:31.314340  <4>[   44.129329] RSP: 002b:00007ffddcd75348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4434 00:28:31.323983  <4>[   44.138077] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd3c85f7473

 4435 00:28:31.330474  <4>[   44.146329] RDX: 000000000000000a RSI: 00007fd3c84eb000 RDI: 0000000000000001

 4436 00:28:31.340427  <4>[   44.154589] RBP: 00007fd3c84eb000 R08: 00007fd3c84ea010 R09: 0000000000000000

 4437 00:28:31.347069  <4>[   44.162850] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4438 00:28:31.356714  <4>[   44.171110] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4439 00:28:31.356799  f9023bad9bf50

 4440 00:28:31.366193  # [   39.836490] RBP: ffffffff8ba33d40 R08: 0000000000000000 R09: 0000000000000000

 4441 00:28:31.373217  # [   39.844752] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4442 00:28:31.383304  # [   39.853012] R13: ffffa86a821a7f10 R14: ffffa86a821a7f10 R15: ffff90234419c000

 4443 00:28:31.390008  # [   39.861273] FS:  00007fd869dcf580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4444 00:28:31.396353  # [   39.870604] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4445 00:28:31.406668  # [   39.877301] CR2: ffffffff8ba33d40 CR3: 0000000106564001 CR4: 00000000003706e0

 4446 00:28:31.409564  # [   39.885563] Call Trace:

 4447 00:28:31.412872  # [   39.888583]  ? __die_body.cold+0x1a/0x1f

 4448 00:28:31.415975  # [   39.893253]  ? no_context+0x177/0x380

 4449 00:28:31.422587  # [   39.897633]  ? exc_page_fault+0xd7/0x170

 4450 00:28:31.426256  # [   39.902302]  ? asm_exc_page_fault+0x1e/0x30

 4451 00:28:31.432535  # [   39.907266]  ? execute_location+0x45/0x56

 4452 00:28:31.436167  # [   39.912031]  ? direct_entry.cold+0x2c/0x38

 4453 00:28:31.442018  # [   39.916895]  ? full_proxy_write+0x53/0x80

 4454 00:28:31.445386  # [   39.921661]  ? vfs_write+0xe7/0x3b0

 4455 00:28:31.448631  # [   39.925835]  ? ksys_write+0x68/0xf0

 4456 00:28:31.452981  # [   39.930019]  ? do_syscall_64+0x30/0x40

 4457 00:28:31.458725  # [   39.934492]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4458 00:28:31.485976  # [   39.940617] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec<6>[   44.301643] lkdtm: Performing direct entry ACCESS_USERSPACE

 4459 00:28:31.492167  <6>[   44.310317] lkdtm: attempting bad read at 00007f687b896000

 4460 00:28:31.508456  _chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_de<1>[   44.316753] BUG: unable to handle page fault for address: 00007f687b896000

 4461 00:28:31.512096  <1>[   44.330924] #PF: supervisor read access in kernel mode

 4462 00:28:31.517911  <1>[   44.336952] #PF: error_code(0x0001) - permissions violation

 4463 00:28:31.534710  bu<gfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_6>[   44.343464] PGD 8000000104917067 P4D 8000000104917067 PUD 1065db067 PMD 1041e3067 PTE 108467067

 4464 00:28:31.541291  <4>[   44.359694] Oops: 0001 [#12] SMP PTI

 4465 00:28:31.547910  <4>[   44.363975] CPU: 3 PID: 1832 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4466 00:28:31.557919  <4>[   44.372918] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4467 00:28:31.565441  <4>[   44.380007] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4468 00:28:31.584407  <4>[   44.386539] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d0 39 f8 89 e8 25 d8 fb ff 48 c7 c7 f8 39 f8 89 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0c d8 fb ff 48 89 ee 48 c7 c7 20 3a f8

 4469 00:28:31.590588  <4>[   44.407806] RSP: 0018:ffffa86a825d7e48 EFLAGS: 00010246

 4470 00:28:31.597756  <4>[   44.413928] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000

 4471 00:28:31.607288  <4>[   44.422189] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89f839f8

 4472 00:28:31.614195  <4>[   44.430449] RBP: 00007f687b896000 R08: 0000000000000000 R09: 0000000000000000

 4473 00:28:31.624156  <4>[   44.438710] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011

 4474 00:28:31.630861  <4>[   44.446970] R13: ffffa86a825d7f10 R14: ffffa86a825d7f10 R15: ffff902343ba4000

 4475 00:28:31.641253  <4>[   44.455230] FS:  00007f687b867580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4476 00:28:31.646945  <4>[   44.464560] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4477 00:28:31.657729  <4>[   44.471265] CR2: 00007f687b896000 CR3: 0000000105802001 CR4: 00000000003706e0

 4478 00:28:31.660685  <4>[   44.479534] Call Trace:

 4479 00:28:31.663423  <4>[   44.482555]  ? __die_body.cold+0x1a/0x1f

 4480 00:28:31.667578  <4>[   44.487225]  ? no_context+0x177/0x380

 4481 00:28:31.674425  <4>[   44.491594]  ? exc_page_fault+0x53/0x170

 4482 00:28:31.677107  <4>[   44.496263]  ? asm_exc_page_fault+0x1e/0x30

 4483 00:28:31.683620  <4>[   44.501224]  ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4484 00:28:31.690441  <4>[   44.507056]  ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3

 4485 00:28:31.693333  <4>[   44.512889]  direct_entry.cold+0x2c/0x38

 4486 00:28:31.700230  <4>[   44.517560]  full_proxy_write+0x53/0x80

 4487 00:28:31.703546  <4>[   44.522132]  vfs_write+0xe7/0x3b0

 4488 00:28:31.706785  <4>[   44.526120]  ksys_write+0x68/0xf0

 4489 00:28:31.709534  <4>[   44.530110]  do_syscall_64+0x30/0x40

 4490 00:28:31.716696  <4>[   44.534391]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4491 00:28:31.719412  <4>[   44.540312] RIP: 0033:0x7f687b77d473

 4492 00:28:31.743406  <4>[   44.544592] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4493 00:28:31.753048  <4>[   44.565867] RSP: 002b:00007ffcc0cf1ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4494 00:28:31.759032  <4>[   44.574604] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f687b77d473

 4495 00:28:31.768883  <4>[   44.582865] RDX: 0000000000000011 RSI: 00007f687b671000 RDI: 0000000000000001

 4496 00:28:31.776035  <4>[   44.591126] RBP: 00007f687b671000 R08: 00007f687b670010 R09: 0000000000000000

 4497 00:28:31.785720  <4>[   44.599387] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4498 00:28:31.792065  <4>[   44.607647] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4499 00:28:31.852015  soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal c<4>[   44.615911] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4500 00:28:31.854663  <4>[   44.674907] CR2: 00007f687b896000

 4501 00:28:31.861627  <4>[   44.678895] ---[ end trace 74b841559c2f930a ]---

 4502 00:28:31.864421  <4>[   44.684340] RIP: 0010:lkdtm_BUG+0x5/0x10

 4503 00:28:31.887789  <4>[   44.689009] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 4504 00:28:31.894482  <4>[   44.710284] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 4505 00:28:31.901080  <4>[   44.716410] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 4506 00:28:31.911047  <4>[   44.724672] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 4507 00:28:31.918053  <4>[   44.732933] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 4508 00:28:31.927597  <4>[   44.741195] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4509 00:28:31.934181  <4>[   44.749455] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 4510 00:28:31.944363  <4>[   44.757717] FS:  00007f687b867580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4511 00:28:31.950831  <4>[   44.767046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4512 00:28:31.957032  <4>[   44.773751] CR2: 00007f687b896000 CR3: 0000000105802001 CR4: 00000000003706e0

 4513 00:28:31.973931  ros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4514 00:28:31.976812  # [   39.999611] CR2: ffffffff8ba33d40

 4515 00:28:31.980468  # [   40.003600] ---[ end trace 74b841559c2f9303 ]---

 4516 00:28:31.987080  # [   40.009036] RIP: 0010:lkdtm_BUG+0x5/0x10

 4517 00:28:32.006886  # [   40.013705] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 4518 00:28:32.013641  # [   40.034972] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 4519 00:28:32.019682  # [   40.041088] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 4520 00:28:32.029449  # [   40.049347] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 4521 00:28:32.036561  # [   40.057608] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 4522 00:28:32.046287  # [   40.065868] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4523 00:28:32.052933  # [   40.074129] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 4524 00:28:32.062467  # [   40.082388] FS:  00007fd869dcf580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4525 00:28:32.069319  # [   40.091716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4526 00:28:32.079501  # [   40.098422] CR2: ffffffff8ba33d40 CR3: 0000000106564001 CR4: 00000000003706e0

 4527 00:28:32.088941  # [   40.106682] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4528 00:28:32.095999  # [   40.116884] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1574, name: cat

 4529 00:28:32.102455  # [   40.125630] INFO: lockdep is turned off.

 4530 00:28:32.108951  # [  <6>[   44.924520] lkdtm: Performing direct entry ACCESS_NULL

 4531 00:28:32.115697  <6>[   44.931154] lkdtm: attempting bad read at 0000000000000000

 4532 00:28:32.121822  <1>[   44.937585] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4533 00:28:32.128969  <1>[   44.945658] #PF: supervisor read access in kernel mode

 4534 00:28:32.135514  <1>[   44.951688] #PF: error_code(0x0000) - not-present page

 4535 00:28:32.138977  <6>[   44.957708] PGD 0 P4D 0 

 4536 00:28:32.142102  <4>[   44.960826] Oops: 0000 [#13] SMP PTI

 4537 00:28:32.152219  <4>[   44.965099] CPU: 3 PID: 1868 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4538 00:28:32.158644  <4>[   44.974041] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4539 00:28:32.161814   4<0.130296] irq event stamp: 0

 4540 00:28:32.168238  # [   40.133994] hardirqs last  4>[   44.981142] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 4541 00:28:32.191493  <4>[   44.992902] Code: c9 d7 fb ff be 00 10 00 00 48 89 ef e8 f8 6c 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d0 39 f8 89 e8 a3 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f8 39 f8 89 48 01

 4542 00:28:32.197911  <4>[   45.014179] RSP: 0018:ffffa86a82677e58 EFLAGS: 00010246

 4543 00:28:32.204637  <4>[   45.020297] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 4544 00:28:32.214278  <4>[   45.028549] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 4545 00:28:32.221349  <4>[   45.036810] RBP: ffffffff89f82ac1 R08: 0000000000000000 R09: 0000000000000000

 4546 00:28:32.230838  <4>[   45.045071] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4547 00:28:32.237489  <4>[   45.053332] R13: ffffa86a82677f10 R14: ffffa86a82677f10 R15: ffff902343b67000

 4548 00:28:32.247550  <4>[   45.061593] FS:  00007f1831aa0580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4549 00:28:32.254855  <4>[   45.070922] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4550 00:28:32.264073  <4>[   45.077630] CR2: 0000000000000000 CR3: 00000001047ee005 CR4: 00000000003706e0

 4551 00:28:32.264567  <4>[   45.085892] Call Trace:

 4552 00:28:32.270596  <4>[   45.088914]  ? __die_body.cold+0x1a/0x1f

 4553 00:28:32.274434  <4>[   45.093584]  ? no_context+0x177/0x380

 4554 00:28:32.281017  <4>[   45.097965]  ? exc_page_fault+0x53/0x170

 4555 00:28:32.283610  <4>[   45.102633]  ? asm_exc_page_fault+0x1e/0x30

 4556 00:28:32.290377  <4>[   45.107595]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4557 00:28:32.294295  <4>[   45.112458]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4558 00:28:32.297483  <4>[   45.117345]  direct_entry.cold+0x2c/0x38

 4559 00:28:32.303493  <4>[   45.122015]  full_proxy_write+0x53/0x80

 4560 00:28:32.307550  <4>[   45.126588]  vfs_write+0xe7/0x3b0

 4561 00:28:32.310957  <4>[   45.130577]  ksys_write+0x68/0xf0

 4562 00:28:32.317183  <4>[   45.134557]  do_syscall_64+0x30/0x40

 4563 00:28:32.319997  <4>[   45.138830]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4564 00:28:32.327241  <4>[   45.144761] RIP: 0033:0x7f18319b6473

 4565 00:28:32.346967  <4>[   45.149039] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4566 00:28:32.356641  <4>[   45.170315] RSP: 002b:00007ffc42ec80a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4567 00:28:32.363026  <4>[   45.179063] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f18319b6473

 4568 00:28:32.373841  <4>[   45.187325] RDX: 000000000000000c RSI: 00007f18318aa000 RDI: 0000000000000001

 4569 00:28:32.380002  <4>[   45.195586] RBP: 00007f18318aa000 R08: 00007f18318a9010 R09: 0000000000000000

 4570 00:28:32.389663  <4>[   45.203847] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4571 00:28:32.396183  <4>[   45.212108] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4572 00:28:32.400132  enabled at (0): [<0000000000000000>] 0x0

 4573 00:28:32.455393  # [   40.141275] hardi<4>[   45.220372] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4574 00:28:32.458812  <4>[   45.279369] CR2: 0000000000000000

 4575 00:28:32.465238  <4>[   45.283358] ---[ end trace 74b841559c2f930b ]---

 4576 00:28:32.468959  <4>[   45.288803] RIP: 0010:lkdtm_BUG+0x5/0x10

 4577 00:28:32.492252  <4>[   45.293492] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 4578 00:28:32.499433  <4>[   45.314768] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 4579 00:28:32.505309  <4>[   45.320893] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 4580 00:28:32.515274  <4>[   45.329154] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 4581 00:28:32.521797  <4>[   45.337416] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 4582 00:28:32.531730  <4>[   45.345677] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4583 00:28:32.538607  <4>[   45.353938] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 4584 00:28:32.547770  <4>[   45.362200] FS:  00007f1831aa0580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4585 00:28:32.555052  <4>[   45.371536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4586 00:28:32.564492  <4>[   45.378245] CR2: 0000000000000000 CR3: 00000001047ee005 CR4: 00000000003706e0

 4587 00:28:32.574257  <3>[   45.386507] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4588 00:28:32.580954  <3>[   45.396711] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1868, name: cat

 4589 00:28:32.587346  <4>[   45.405457] INFO: lockdep is turned off.

 4590 00:28:32.590761  <4>[   45.410123] irq event stamp: 0

 4591 00:28:32.597985  <4>[   45.413821] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4592 00:28:32.607087  <4>[   45.421104] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 4593 00:28:32.617107  <4>[   45.430537] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 4594 00:28:32.623898  <4>[   45.439963] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4595 00:28:32.634185  <4>[   45.447253] CPU: 3 PID: 1868 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4596 00:28:32.640548  <4>[   45.456193] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4597 00:28:32.644045  <4>[   45.463288] Call Trace:

 4598 00:28:32.647506  <4>[   45.466306]  dump_stack+0x77/0x9b

 4599 00:28:32.650754  <4>[   45.470297]  ___might_sleep.cold+0xa6/0xb6

 4600 00:28:32.656677  <4>[   45.475161]  exit_signals+0x1c/0x300

 4601 00:28:32.660594  <4>[   45.479442]  do_exit+0xc2/0xab0

 4602 00:28:32.663341  <4>[   45.483237]  ? ksys_write+0x68/0xf0

 4603 00:28:32.667298  <4>[   45.487420]  make_task_dead+0x2f/0x30

 4604 00:28:32.673576  <4>[   45.491799]  rewind_stack_and_make_dead+0x17/0x20

 4605 00:28:32.676380  <4>[   45.497341] RIP: 0033:0x7f18319b6473

 4606 00:28:32.700325  <4>[   45.501619] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4607 00:28:32.709936  <4>[   45.522893] RSP: 002b:00007ffc42ec80a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4608 00:28:32.716201  <4>[   45.531639] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f18319b6473

 4609 00:28:32.726815  <4>[   45.539901] RDX: 000000000000000c RSI: 00007f18318aa000 RDI: 0000000000000001

 4610 00:28:32.732882  <4>[   45.548160] RBP: 00007f18318aa000 R08: 00007f18318a9010 R09: 0000000000000000

 4611 00:28:32.743220  <4>[   45.556420] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4612 00:28:32.749459  <4>[   45.564681] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4613 00:28:32.755446  rqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 4614 00:28:32.765925  # [   40.150693] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 4615 00:28:32.772751  # [   40.160118] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4616 00:28:32.782390  # [   40.167408] CPU: 3 PID: 1574 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4617 00:28:32.788909  # [   40.176347] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4618 00:28:32.791861  # [   40.183442] Call Trace:

 4619 00:28:32.795872  # [   40.186460]  dump_stack+0x77/0x9b

 4620 00:28:32.802742  # [   40.190475]  ___might_sleep.cold+0xa6/0xb6

 4621 00:28:32.805830  # [   40.201553]  exit_signals+0x1c/0x300

 4622 00:28:32.809004  # [   40.205831]  do_exit+0xc2/0xab0

 4623 00:28:32.811937  # [   40.209625]  ? ksys_write+0x68/0xf0

 4624 00:28:32.814992  # [   40.213808]  make_task_dead+0x2f/0x30

 4625 00:28:32.822495  # [   40.218186]  rewind_stack_and_make_dead+0x17/0x20

 4626 00:28:32.825602  # [   40.223727] RIP: 0033:0x7fd869ce5473

 4627 00:28:32.848009  # [   40.228006] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4628 00:28:32.854609  # [   40.249271] RSP: 002b:00007ffcf6882c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4629 00:28:32.864123  # [   40.258009] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd869ce5473

 4630 00:28:32.871169  # [   40.266268] RDX: 000000000000000a RSI: 00007fd869bd9000 RDI: 0000000000000001

 4631 00:28:32.881231  # [   40.274537] RBP: 00007fd869bd9000 R08: 00007fd869bd8010 R09: 0000000000000000

 4632 00:28:32.887411  # [   40.282796] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4633 00:28:32.897288  # [   40.291057] R13: 000000000000000<6>[   45.713448] lkdtm: Performing direct entry WRITE_RO

 4634 00:28:32.904252  <6>[   45.721670] lkdtm: attempting bad rodata write at ffffffff89af8930

 4635 00:28:32.913616  <1>[   45.728900] BUG: unable to handle page fault for address: ffffffff89af8930

 4636 00:28:32.920810  <1>[   45.736900] #PF: supervisor write access in kernel mode

 4637 00:28:32.926705  <1>[   45.743027] #PF: error_code(0x0003) - permissions violation

 4638 00:28:32.933972  <6>[   45.749540] PGD 132629067 P4D 132629067 PUD 13262a063 PMD 8000000131e000e1 

 4639 00:28:32.937199  1 R14: 0000000000020000 R15: 0000000000020000

 4640 00:28:32.943274  # EXEC_DATA: saw <4>[   45.757610] Oops: 0003 [#14] SMP PTI

 4641 00:28:32.953076  <4>[   45.768104] CPU: 3 PID: 1904 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4642 00:28:32.959936  <4>[   45.777045] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4643 00:28:32.966445  <4>[   45.784146] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 4644 00:28:32.966535  'call trace:': ok

 4645 00:28:32.970346  ok 30 selftests: lkdtm: EXEC_DATA.sh

 4646 00:28:32.993085  # selft<4>[   45.789398] Code: 00 48 c7 c7 b0 38 f8 89 48 c7 c6 30 89 af 89 e8 4d da fb ff 48 8b 05 d2 92 a9 00 ba 34 12 cd ab 48 c7 c7 e0 38 f8 89 48 31 d0 <48> 89 05 bc 92 a9 00 e9 2b da fb ff 0f 1f 44 00 00 48 8b 05 cb bc

 4647 00:28:33.000282  <4>[   45.816885] RSP: 0018:ffffa86a8271fe60 EFLAGS: 00010202

 4648 00:28:33.006262  <4>[   45.823010] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 4649 00:28:33.016491  <4>[   45.831269] RDX: 00000000abcd1234 RSI: ffff9023bad9bf50 RDI: ffffffff89f838e0

 4650 00:28:33.023451  <4>[   45.839540] RBP: ffffffff89f82acd R08: 0000000000000000 R09: 0000000000000000

 4651 00:28:33.033202  <4>[   45.847801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 4652 00:28:33.039710  <4>[   45.856060] R13: ffffa86a8271ff10 R14: ffffa86a8271ff10 R15: ffff90234391b000

 4653 00:28:33.049789  <4>[   45.864322] FS:  00007fb242633580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4654 00:28:33.056332  <4>[   45.873649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4655 00:28:33.065926  <4>[   45.880355] CR2: ffffffff89af8930 CR3: 0000000104630003 CR4: 00000000003706e0

 4656 00:28:33.069763  <4>[   45.888617] Call Trace:

 4657 00:28:33.072307  <4>[   45.891638]  ? __die_body.cold+0x1a/0x1f

 4658 00:28:33.075737  <4>[   45.896309]  ? no_context+0x177/0x380

 4659 00:28:33.082683  <4>[   45.900688]  ? exc_page_fault+0xd7/0x170

 4660 00:28:33.085692  <4>[   45.905357]  ? asm_exc_page_fault+0x1e/0x30

 4661 00:28:33.092695  <4>[   45.910318]  ? lkdtm_WRITE_RO+0x2e/0x3a

 4662 00:28:33.095762  <4>[   45.914890]  direct_entry.cold+0x2c/0x38

 4663 00:28:33.101985  <4>[   45.919552]  full_proxy_write+0x53/0x80

 4664 00:28:33.106224  <4>[   45.924124]  vfs_write+0xe7/0x3b0

 4665 00:28:33.109665  <4>[   45.928114]  ksys_write+0x68/0xf0

 4666 00:28:33.112494  <4>[   45.932102]  do_syscall_64+0x30/0x40

 4667 00:28:33.118922  <4>[   45.936372]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4668 00:28:33.122340  <4>[   45.942304] RIP: 0033:0x7fb242549473

 4669 00:28:33.145971  <4>[   45.946582] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4670 00:28:33.152027  <4>[   45.967855] RSP: 002b:00007ffdefd3b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4671 00:28:33.162378  <4>[   45.976594] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fb242549473

 4672 00:28:33.168250  <4>[   45.984855] RDX: 0000000000000009 RSI: 00007fb24243d000 RDI: 0000000000000001

 4673 00:28:33.178600  <4>[   45.993116] RBP: 00007fb24243d000 R08: 00007fb24243c010 R09: 0000000000000000

 4674 00:28:33.184472  <4>[   46.001378] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4675 00:28:33.194772  <4>[   46.009639] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4676 00:28:33.198082  ests: lkdtm: EXEC_STACK.sh

 4677 00:28:33.198650  # Killed

 4678 00:28:33.254360  # [   40.428001] lkdtm: Pe<4>[   46.017903] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4679 00:28:33.257633  <4>[   46.076895] CR2: ffffffff89af8930

 4680 00:28:33.264443  <4>[   46.080884] ---[ end trace 74b841559c2f930c ]---

 4681 00:28:33.267560  <4>[   46.086320] RIP: 0010:lkdtm_BUG+0x5/0x10

 4682 00:28:33.290062  <4>[   46.090988] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 4683 00:28:33.293684  <4>[   46.112263] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 4684 00:28:33.304112  <4>[   46.118388] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 4685 00:28:33.310109  <4>[   46.126649] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 4686 00:28:33.320179  <4>[   46.134909] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 4687 00:28:33.326445  <4>[   46.143169] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4688 00:28:33.336372  <4>[   46.151430] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 4689 00:28:33.346022  <4>[   46.159690] FS:  00007fb242633580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4690 00:28:33.353014  <4>[   46.169018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4691 00:28:33.359338  <4>[   46.175725] CR2: ffffffff89af8930 CR3: 0000000104630003 CR4: 00000000003706e0

 4692 00:28:33.362440  rforming direct entry EXEC_STACK

 4693 00:28:33.368831  # [   40.435837] lkdtm: attempting ok execution at ffffffff8897c110

 4694 00:28:33.379164  # [   40.442679] lkdtm: attempting bad execution at ffffa86a82247e18

 4695 00:28:33.385339  # [   40.449610] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4696 00:28:33.392514  # [   40.458269] BUG: unable to handle page fault for address: ffffa86a82247e18

 4697 00:28:33.399081  # [   40.472455] #PF: supervisor instruction fetch in kernel mode

 4698 00:28:33.405654  # [   40.479069] #PF: error_code(0x0011) - permissions violation

 4699 00:28:33.415225  # [   40.485573] PGD 100000067 P4D 100000067 PUD 100248067 PMD 104643067 PTE 80000001040d1063

 4700 00:28:33.419014  # [   40.501125] Oops: 0011 [#6] SMP PTI

 4701 00:28:33.429067  # [   40.505310] CPU: 3 PID: 1611 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4702 00:28:33.435612  # [   40.514252] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4703 00:28:33.441742  # [   40.521348] RIP: 0010:0xffffa86a82247e18

 4704 00:28:33.461797  # [   40.526016] Code: 00 00 18 7e 24 82 6a a8 ff ff 2e f6 05 89 ff ff ff ff 20 00 00 00 00 00 00 00 66 2a f8 89 ff ff ff ff 5d f7 05 89 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4705 00:28:33.468431  # [   40.547291] RSP: 0018:ffffa86a82247df8 EFLAGS: 00010246

 4706 00:28:33.474506  # [   40.553408] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4707 00:28:33.484884  # [   40.561669] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 4708 00:28:33.491584  # [   40.569930] RBP: ffffa86a82247e18 R08: 0000000000000000 R09: 0000000000000000

 4709 00:28:33.504304  # [   40.578191] R10: 00000000ffffe000 R11: 3fffffffff<6>[   46.319593] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 4710 00:28:33.511131  <6>[   46.327774] lkdtm: attempting bad ro_after_init write at ffffffff8a00b350

 4711 00:28:33.520876  <1>[   46.335686] BUG: unable to handle page fault for address: ffffffff8a00b350

 4712 00:28:33.527363  <1>[   46.343688] #PF: supervisor write access in kernel mode

 4713 00:28:33.533934  <1>[   46.349815] #PF: error_code(0x0003) - permissions violation

 4714 00:28:33.540929  <6>[   46.356330] PGD 132629067 P4D 132629067 PUD 13262a063 PMD 10005f063 PTE 800000013240b061

 4715 00:28:33.543753  ffffff R12: 000000000000000b

 4716 00:28:33.553788  # [   40.586451] R13: ffffa86a8224<4>[   46.365666] Oops: 0003 [#15] SMP PTI

 4717 00:28:33.560429  <4>[   46.376160] CPU: 3 PID: 1940 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4718 00:28:33.570675  <4>[   46.385102] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4719 00:28:33.573911  <4>[   46.392199] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 4720 00:28:33.596675  <4>[   46.398519] Code: 39 f8 89 e9 ff d9 fb ff 48 c7 c7 38 39 f8 89 e8 f3 d9 fb ff 48 8b 05 98 bc fa 00 ba 34 12 cd ab 48 c7 c7 e0 38 f8 89 48 31 d0 <48> 89 05 82 bc fa 00 e9 d1 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 4721 00:28:33.603722  <4>[   46.419814] RSP: 0018:ffffa86a82797e60 EFLAGS: 00010202

 4722 00:28:33.609597  <4>[   46.425939] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 4723 00:28:33.619852  <4>[   46.434197] RDX: 00000000abcd1234 RSI: ffff9023bad9bf50 RDI: ffffffff89f838e0

 4724 00:28:33.626153  <4>[   46.442458] RBP: ffffffff89f82ad6 R08: 0000000000000000 R09: 0000000000000000

 4725 00:28:33.635905  <4>[   46.450718] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 4726 00:28:33.643162  <4>[   46.458977] R13: ffffa86a82797f10 R14: ffffa86a82797f10 R15: ffff902342950000

 4727 00:28:33.653047  <4>[   46.467239] FS:  00007fcedb0fc580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4728 00:28:33.660310  <4>[   46.476568] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4729 00:28:33.669230  <4>[   46.483275] CR2: ffffffff8a00b350 CR3: 00000001047ee005 CR4: 00000000003706e0

 4730 00:28:33.672674  <4>[   46.491555] Call Trace:

 4731 00:28:33.676280  <4>[   46.494575]  ? __die_body.cold+0x1a/0x1f

 4732 00:28:33.679089  <4>[   46.499246]  ? no_context+0x177/0x380

 4733 00:28:33.686040  <4>[   46.503624]  ? exc_page_fault+0xd7/0x170

 4734 00:28:33.689219  <4>[   46.508292]  ? asm_exc_page_fault+0x1e/0x30

 4735 00:28:33.695730  <4>[   46.513253]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 4736 00:28:33.698951  <4>[   46.518891]  direct_entry.cold+0x2c/0x38

 4737 00:28:33.705423  <4>[   46.523560]  full_proxy_write+0x53/0x80

 4738 00:28:33.708453  <4>[   46.528132]  vfs_write+0xe7/0x3b0

 4739 00:28:33.711923  <4>[   46.532122]  ksys_write+0x68/0xf0

 4740 00:28:33.715590  <4>[   46.536102]  do_syscall_64+0x30/0x40

 4741 00:28:33.722041  <4>[   46.540383]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4742 00:28:33.728895  <4>[   46.546315] RIP: 0033:0x7fcedb012473

 4743 00:28:33.748648  <4>[   46.550594] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4744 00:28:33.758733  <4>[   46.571867] RSP: 002b:00007ffe0c1711a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4745 00:28:33.764726  <4>[   46.580614] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fcedb012473

 4746 00:28:33.774699  <4>[   46.588874] RDX: 0000000000000014 RSI: 00007fcedaf06000 RDI: 0000000000000001

 4747 00:28:33.781324  <4>[   46.597134] RBP: 00007fcedaf06000 R08: 00007fcedaf05010 R09: 0000000000000000

 4748 00:28:33.791997  <4>[   46.605395] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4749 00:28:33.798228  <4>[   46.613654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4750 00:28:33.850310  <4>[   46.621919] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4751 00:28:33.857275  7f10 R14: ffffa86a82247f10 R15: ffff902344767000

 4752 00:28:33.860346  # [   40.59471<4>[   46.674693] CR2: ffffffff8a00b350

 4753 00:28:33.867328  <4>[   46.684894] ---[ end trace 74b841559c2f930d ]---

 4754 00:28:33.870775  <4>[   46.690340] RIP: 0010:lkdtm_BUG+0x5/0x10

 4755 00:28:33.893168  <4>[   46.695009] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 4756 00:28:33.899807  <4>[   46.716284] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 4757 00:28:33.906475  <4>[   46.722399] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 4758 00:28:33.916553  <4>[   46.730658] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 4759 00:28:33.922794  <4>[   46.738917] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 4760 00:28:33.933078  <4>[   46.747177] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4761 00:28:33.939217  <4>[   46.755438] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 4762 00:28:33.949415  <4>[   46.763699] FS:  00007fcedb0fc580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4763 00:28:33.955893  <4>[   46.773029] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4764 00:28:33.965925  <4>[   46.779734] CR2: ffffffff8a00b350 CR3: 00000001047ee005 CR4: 00000000003706e0

 4765 00:28:33.975752  <3>[   46.787994] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4766 00:28:33.982149  <3>[   46.798197] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1940, name: cat

 4767 00:28:33.989297  <4>[   46.806944] INFO: lockdep is turned off.

 4768 00:28:33.992147  <4>[   46.811610] irq event stamp: 0

 4769 00:28:33.999058  <4>[   46.815305] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4770 00:28:34.008804  <4>[   46.822595] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 4771 00:28:34.018341  <4>[   46.832020] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 4772 00:28:34.025458  <4>[   46.841447] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4773 00:28:34.035087  <4>[   46.848738] CPU: 3 PID: 1940 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4774 00:28:34.042169  <4>[   46.857678] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4775 00:28:34.045459  <4>[   46.864777] Call Trace:

 4776 00:28:34.049106  <4>[   46.867795]  dump_stack+0x77/0x9b

 4777 00:28:34.051941  <4>[   46.871785]  ___might_sleep.cold+0xa6/0xb6

 4778 00:28:34.058535  <4>[   46.876649]  exit_signals+0x1c/0x300

 4779 00:28:34.062007  <4>[   46.880929]  do_exit+0xc2/0xab0

 4780 00:28:34.064765  <4>[   46.884724]  ? ksys_write+0x68/0xf0

 4781 00:28:34.071516  <4>[   46.888907]  make_task_dead+0x2f/0x30

 4782 00:28:34.074829  <4>[   46.893284]  rewind_stack_and_make_dead+0x17/0x20

 4783 00:28:34.081071  <4>[   46.898817] RIP: 0033:0x7fcedb012473

 4784 00:28:34.101193  <4>[   46.903095] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4785 00:28:34.110894  <4>[   46.924367] RSP: 002b:00007ffe0c1711a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4786 00:28:34.118271  <4>[   46.933112] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fcedb012473

 4787 00:28:34.127849  <4>[   46.941373] RDX: 0000000000000014 RSI: 00007fcedaf06000 RDI: 0000000000000001

 4788 00:28:34.133931  <4>[   46.949633] RBP: 00007fcedaf06000 R08: 00007fcedaf05010 R09: 0000000000000000

 4789 00:28:34.144404  <4>[   46.957893] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4790 00:28:34.150629  <4>[   46.966152] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4791 00:28:34.160048  1] FS:  00007f9bcb4e0580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4792 00:28:34.166257  # [   40.604041] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4793 00:28:34.173178  # [   40.610748] CR2: ffffa86a82247e18 CR3: 0000000103cb6005 CR4: 00000000003706e0

 4794 00:28:34.176426  # [   40.619008] Call Trace:

 4795 00:28:34.179927  # [   40.622027]  ? __die_body.cold+0x1a/0x1f

 4796 00:28:34.186527  # [   40.626698]  ? no_context+0x177/0x380

 4797 00:28:34.189785  # [   40.631078]  ? exc_page_fault+0xd7/0x170

 4798 00:28:34.193238  # [   40.635747]  ? asm_exc_page_fault+0x1e/0x30

 4799 00:28:34.199757  # [   40.640721]  ? execute_location+0x45/0x56

 4800 00:28:34.202755  # [   40.651700]  ? lkdtm_EXEC_STACK+0x26/0x44

 4801 00:28:34.209253  # [   40.656490]  ? direct_entry.cold+0x2c/0x38

 4802 00:28:34.212756  # [   40.661348]  ? full_proxy_write+0x53/0x80

 4803 00:28:34.215995  # [   40.666112]  ? vfs_write+0xe7/0x3b0

 4804 00:28:34.222861  # [   40.670287]  ? ksys_write+0x68/0xf0

 4805 00:28:34.225780  # [   40.674489]  ? do_syscall_64+0x30/0x40

 4806 00:28:34.233233  # [   40.678964]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4807 00:28:34.286051  # [   40.685082] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4808 00:28:34.288869  # [   40.744075] CR2: ffffa86a82247e18

 4809 00:28:34.295761  # [   40.748063] ---[ end trace 74b841559c2f9304 ]---

 4810 00:28:34.298935  # [   40.753509] RIP: 0010:lkdtm_BUG+0x5/0x10

 4811 00:28:34.318672  # [   40.758178] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 4812 00:28:34.325122  # [   40.779450] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 4813 00:28:34.335565  # [   40.785575] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 4814 00:28:34.341907  # [   40.793835] RDX: 000000000000000<6>[   47.157901] lkdtm: Performing direct entry WRITE_KERN

 4815 00:28:34.351609  <6>[   47.166870] lkdtm: attempting bad 7222472 byte write at ffffffff8905f5d8

 4816 00:28:34.358317  <1>[   47.174660] BUG: unable to handle page fault for address: ffffffff8905f5d8

 4817 00:28:34.365116  0 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 4818 00:28:34.371337  # [   40.802096] <1>[   47.182655] #PF: supervisor write access in kernel mode

 4819 00:28:34.378194  <1>[   47.194995] #PF: error_code(0x0003) - permissions violation

 4820 00:28:34.384962  <6>[   47.201500] PGD 132629067 P4D 132629067 PUD 13262a063 PMD 1314000e1 

 4821 00:28:34.391334  <4>[   47.208890] Oops: 0003 [#16] SMP PTI

 4822 00:28:34.398894  <4>[   47.213171] CPU: 3 PID: 1976 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4823 00:28:34.405053  <4>[   47.222104] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4824 00:28:34.411245  <4>[   47.229204] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 4825 00:28:34.431268  <4>[   47.234647] Code: 53 48 c7 c3 d8 f5 05 89 49 89 dc 48 89 da 49 81 ec 10 c1 97 88 4c 89 e6 e8 a6 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 10 c1 97 88 <f3> a4 48 c7 c7 e0 38 f8 89 e8 8b d9 fb ff 5b 41 5c e9 b7 fe ff ff

 4826 00:28:34.437712  <4>[   47.255923] RSP: 0018:ffffa86a82827e50 EFLAGS: 00010246

 4827 00:28:34.447982  <4>[   47.262049] RAX: 000000000000003c RBX: ffffffff8905f5d8 RCX: 00000000006e34c8

 4828 00:28:34.454831  <4>[   47.270310] RDX: 0000000000000000 RSI: ffffffff8897c110 RDI: ffffffff8905f5d8

 4829 00:28:34.464020  <4>[   47.278573] RBP: ffffffff89f82aea R08: 0000000000000000 R09: 0000000000000000

 4830 00:28:34.470783  <4>[   47.286833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e34c8

 4831 00:28:34.480101  <4>[   47.295093] R13: ffffa86a82827f10 R14: ffffa86a82827f10 R15: ffff902343d6f000

 4832 00:28:34.490610  <4>[   47.303355] FS:  00007ff99f811580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4833 00:28:34.496923  <4>[   47.312675] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4834 00:28:34.503308  <4>[   47.319381] CR2: ffffffff8905f5d8 CR3: 0000000106488001 CR4: 00000000003706e0

 4835 00:28:34.507410  <4>[   47.327642] Call Trace:

 4836 00:28:34.514034  <4>[   47.330663]  ? __die_body.cold+0x1a/0x1f

 4837 00:28:34.516992  <4>[   47.335332]  ? no_context+0x177/0x380

 4838 00:28:34.524133  <4>[   47.339711]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4839 00:28:34.526643  <4>[   47.345449]  ? exc_page_fault+0xd7/0x170

 4840 00:28:34.533767  <4>[   47.350117]  ? asm_exc_page_fault+0x1e/0x30

 4841 00:28:34.536612  <4>[   47.355077]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4842 00:28:34.543214  <4>[   47.360806]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 4843 00:28:34.550186  <4>[   47.365958]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4844 00:28:34.552803  <4>[   47.371694]  ? lkdtm_WRITE_KERN+0x38/0x4e

 4845 00:28:34.556228  <4>[   47.376450]  direct_entry.cold+0x2c/0x38

 4846 00:28:34.563346  <4>[   47.381122]  full_proxy_write+0x53/0x80

 4847 00:28:34.566234  <4>[   47.385695]  vfs_write+0xe7/0x3b0

 4848 00:28:34.569498  <4>[   47.389684]  ksys_write+0x68/0xf0

 4849 00:28:34.576521  <4>[   47.393664]  do_syscall_64+0x30/0x40

 4850 00:28:34.579254  <4>[   47.397936]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4851 00:28:34.586269  <4>[   47.403865] RIP: 0033:0x7ff99f727473

 4852 00:28:34.605611  <4>[   47.408143] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4853 00:28:34.615884  <4>[   47.429420] RSP: 002b:00007ffd72b4bb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4854 00:28:34.622834  <4>[   47.438167] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff99f727473

 4855 00:28:34.632534  <4>[   47.446428] RDX: 000000000000000b RSI: 00007ff99f61b000 RDI: 0000000000000001

 4856 00:28:34.638692  <4>[   47.454689] RBP: 00007ff99f61b000 R08: 00007ff99f61a010 R09: 0000000000000000

 4857 00:28:34.649058  <4>[   47.462950] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4858 00:28:34.655820  <4>[   47.471210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4859 00:28:34.715293  RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 000000000000000<4>[   47.479492] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4860 00:28:34.717805  <4>[   47.538450] CR2: ffffffff8905f5d8

 4861 00:28:34.724571  <4>[   47.542439] ---[ end trace 74b841559c2f930e ]---

 4862 00:28:34.727858  <4>[   47.547882] RIP: 0010:lkdtm_BUG+0x5/0x10

 4863 00:28:34.750680  <4>[   47.552549] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 4864 00:28:34.757718  <4>[   47.573824] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 4865 00:28:34.763837  <4>[   47.579949] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 4866 00:28:34.773982  <4>[   47.588210] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 4867 00:28:34.780786  <4>[   47.596488] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 4868 00:28:34.790952  <4>[   47.604749] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4869 00:28:34.797081  <4>[   47.613009] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 4870 00:28:34.806790  <4>[   47.621270] FS:  00007ff99f811580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4871 00:28:34.814143  <4>[   47.630600] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4872 00:28:34.823405  <4>[   47.637306] CR2: ffffffff8905f5d8 CR3: 0000000106488001 CR4: 00000000003706e0

 4873 00:28:34.823559  1

 4874 00:28:34.829433  # [   40.810355] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4875 00:28:34.839376  # [   40.818616] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 4876 00:28:34.845984  # [   40.826878] FS:  00007f9bcb4e0580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4877 00:28:34.852679  # [   40.836207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4878 00:28:34.862925  # [   40.842914] CR2: ffffa86a82247e18 CR3: 0000000103cb6005 CR4: 00000000003706e0

 4879 00:28:34.865750  # EXEC_STACK: saw 'call trace:': ok

 4880 00:28:34.869483  ok 31 selftests: lkdtm: EXEC_STACK.sh

 4881 00:28:34.872369  # selftests: lkdtm: EXEC_KMALLOC.sh

 4882 00:28:34.876156  # Killed

 4883 00:28:34.879013  # [   40.973286] lkdtm: Performing direct entry EXEC_KMALLOC

 4884 00:28:34.885644  # [   40.981819] lkdtm: attempting ok execution at ffffffff8897c110

 4885 00:28:34.892365  # [   40.988636] lkdtm: attempting bad execution at ffff902343d443c0

 4886 00:28:34.902150  # [   40.995557] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4887 00:28:34.909037  # [   41.004215] BUG: unable to handle page fault for address: ffff902343d443c0

 4888 00:28:34.915805  # [   41.012185] #PF: supervisor instruction fetch in kernel mode

 4889 00:28:34.922429  # [   41.018794] #PF: error_code(0x0011) - permissions violation

 4890 00:28:34.931900  # [   41.025306] PGD 134001067 P4D 134001067 PUD 10024b063 PMD 105b4a063 PTE 8000000103d44063

 4891 00:28:34.935275  # [   41.034640] Oops: 0011 [#7] SMP PTI

 4892 00:28:34.945113  # [   41.038812] CPU: 3 PID: 1648 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4893 00:28:34.952133  # [   41.047753] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4894 00:28:34.958311  <6>[   47.774029] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 4895 00:28:34.967927  <6>[   47.783266] lkdtm: attempting good refcount_inc() without overflow

 4896 00:28:34.971362  <6>[   47.790474] lkdtm: attempting bad refcount_inc() overflow

 4897 00:28:34.978470  <4>[   47.796804] ------------[ cut here ]------------

 4898 00:28:34.984979  <4>[   47.802252] refcount_t: saturated; leaking memory.

 4899 00:28:34.995066  <4>[   47.807922] WARNING: CPU: 2 PID: 2012 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 4900 00:28:34.997651  # [   41.054851] RIP: 0010:0xffff902343d443c0

 4901 00:28:35.054178  # [   41.059538] <4>[   47.817646] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4902 00:28:35.060751  <4>[   47.876601] CPU: 2 PID: 2012 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4903 00:28:35.070387  <4>[   47.885568] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4904 00:28:35.074087  <4>[   47.892667] RIP: 0010:refcount_warn_saturate+0x51/0x110

 4905 00:28:35.096916  <4>[   47.898795] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 ed 89 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed

 4906 00:28:35.109687  Code: ff ff 80 2d 95 44 23 90 ff ff c0 2d 95 44 23 90 ff ff 00 0<4>[   47.920078] RSP: 0018:ffffa86a828b7e48 EFLAGS: 00010286

 4907 00:28:35.116430  <4>[   47.932419] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 4908 00:28:35.130376  0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00<4>[   47.940684] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50

 4909 00:28:35.139766  <4>[   47.955166] RBP: ffffffff89f82af5 R08: 0000000000000000 R09: 0000000000000000

 4910 00:28:35.149316  <4>[   47.963459] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 4911 00:28:35.156068  <4>[   47.971746] R13: ffffa86a828b7f10 R14: ffffa86a828b7f10 R15: ffff902343e76000

 4912 00:28:35.166652  <4>[   47.980011] FS:  00007f7f96d1e580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 4913 00:28:35.172713  <4>[   47.989344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4914 00:28:35.179186  <4>[   47.996079] CR2: 00007f7f96b28000 CR3: 00000001057a6003 CR4: 00000000003706e0

 4915 00:28:35.189402   00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 0<4>[   48.004358] Call Trace:

 4916 00:28:35.193378  <4>[   48.013587]  ? __warn+0x80/0x110

 4917 00:28:35.196575  0 00 55

 4918 00:28:35.205818  # [   41.080804] RSP: 0018:ffffa86a822e7e38 EFLAGS: 000<4>[   48.017512]  ? refcount_warn_saturate+0x51/0x110

 4919 00:28:35.209286  <4>[   48.029166]  ? report_bug+0x9e/0xc0

 4920 00:28:35.215681  <4>[   48.033358]  ? handle_bug+0x41/0x90

 4921 00:28:35.219563  <4>[   48.037573]  ? exc_invalid_op+0x14/0x70

 4922 00:28:35.222623  <4>[   48.042149]  ? asm_exc_invalid_op+0x12/0x20

 4923 00:28:35.228730  <4>[   48.047135]  ? refcount_warn_saturate+0x51/0x110

 4924 00:28:35.235703  <4>[   48.052615]  ? refcount_warn_saturate+0x51/0x110

 4925 00:28:35.238809  <4>[   48.058085]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 4926 00:28:35.245952  <4>[   48.063728]  direct_entry.cold+0x2c/0x38

 4927 00:28:35.249229  <4>[   48.068402]  full_proxy_write+0x53/0x80

 4928 00:28:35.252190  <4>[   48.073009]  vfs_write+0xe7/0x3b0

 4929 00:28:35.259308  <4>[   48.077033]  ksys_write+0x68/0xf0

 4930 00:28:35.261644  <4>[   48.081028]  do_syscall_64+0x30/0x40

 4931 00:28:35.268692  <4>[   48.085340]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4932 00:28:35.271927  <4>[   48.091274] RIP: 0033:0x7f7f96c34473

 4933 00:28:35.294521  <4>[   48.095558] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4934 00:28:35.301740  <4>[   48.116837] RSP: 002b:00007ffff95a9658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4935 00:28:35.311077  <4>[   48.125588] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7f96c34473

 4936 00:28:35.317799  <4>[   48.133853] RDX: 0000000000000016 RSI: 00007f7f96b28000 RDI: 0000000000000001

 4937 00:28:35.327942  <4>[   48.142116] RBP: 00007f7f96b28000 R08: 00007f7f96b27010 R09: 0000000000000000

 4938 00:28:35.334198  <4>[   48.150380] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4939 00:28:35.344325  <4>[   48.158644] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4940 00:28:35.347099  <4>[   48.166914] irq event stamp: 0

 4941 00:28:35.353800  <4>[   48.170644] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4942 00:28:35.363762  <4>[   48.177939] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 4943 00:28:35.373631  <4>[   48.187369] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 4944 00:28:35.380919  <4>[   48.196802] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4945 00:28:35.387245  <4>[   48.204096] ---[ end trace 74b841559c2f930f ]---

 4946 00:28:35.389954  <6>[   48.209557] lkdtm: Overflow detected: saturated

 4947 00:28:35.390038  10246

 4948 00:28:35.400152  # [   41.086929] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4949 00:28:35.406624  # [   41.095189] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 4950 00:28:35.416384  # [   41.103451] RBP: ffff902343d443c0 R08: 0000000000000000 R09: 0000000000000000

 4951 00:28:35.423866  # [   41.111705] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4952 00:28:35.433624  # [   41.119969] R13: ffffa86a822e7f10 R14: ffffa86a822e7f10 R15: ffff9023431b7000

 4953 00:28:35.443631  # [   41.134448] FS:  00007f7293c74580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 4954 00:28:35.449717  # [   41.143778] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4955 00:28:35.456769  # [   41.150490] CR2: ffff902343d443c0 CR3: 000000010389c003 CR4: 00000000003706e0

 4956 00:28:35.459595  # [   41.158751] Call Trace:

 4957 00:28:35.462881  # [   41.161771]  ? __die_body.cold+0x1a/0x1f

 4958 00:28:35.469346  # [   41.166439]  ? no_context+0x177/0x380

 4959 00:28:35.472816  # [   41.170811]  ? exc_page_fault+0xd7/0x170

 4960 00:28:35.479496  # [   41.175488]  ? asm_exc_page_fault+0x1e/0x30

 4961 00:28:35.482476  # [   41.180443]  ? execute_location+0x45/0x56

 4962 00:28:35.485596  # [   41.185208]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 4963 00:28:35.492603  # [   41.190168]  ? direct_entry.cold+0x2c/0x38

 4964 00:28:35.495936  # [   41.195031]  ? full_proxy_write+0x53/0x80

 4965 00:28:35.502437  # [   41.199788]  ? vfs_write+0xe7/0x3b0

 4966 00:28:35.505463  # [   41.203970]  ? ksys_write+0x68/0xf0

 4967 00:28:35.508544  # [   41.208155]  ? do_syscall_64+0x30/0x40

 4968 00:28:35.515979  # [   41.212627]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4969 00:28:35.552060  # [   41.218754] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_<6>[   48.366045] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 4970 00:28:35.568655  usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_<6>[   48.377306] lkdtm: attempting good refcount_add() without overflow

 4971 00:28:35.578274  pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common <6>[   48.390735] lkdtm: attempting bad refcount_add() overflow

 4972 00:28:35.592131  regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chro<4>[   48.403275] ------------[ cut here ]------------

 4973 00:28:35.595008  meos_pstore coreboot_table

 4974 00:28:35.602133  # [   41.277751] CR2: ffff902343d443<4>[   48.414964] refcount_t: saturated; leaking memory.

 4975 00:28:35.605119  c0

 4976 00:28:35.607978  # [   41.281731] ---[ end trace 74b841559c2f9305 ]---

 4977 00:28:35.618573  # [  <4>[   48.426838] WARNING: CPU: 0 PID: 2045 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 4978 00:28:35.625278   41.287165] RIP: 0010:lkdtm_BUG+0x5/0x10

 4979 00:28:35.677691  # [   41.291832] Code:<4>[   48.442757] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 4980 00:28:35.694260   89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff <4>[   48.501744] CPU: 0 PID: 2045 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 4981 00:28:35.707411  ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <<4>[   48.516890] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4982 00:28:35.720468  0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b <4>[   48.530245] RIP: 0010:refcount_warn_saturate+0x51/0x110

 4983 00:28:35.720953  03

 4984 00:28:35.746769  # [   41.313108] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282<4>[   48.542553] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 ed 89 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed

 4985 00:28:35.747343  

 4986 00:28:35.760254  # [   41.319224] RAX: ffffffff8897bd40 RBX: 0000000000000001 R<4>[   48.570087] RSP: 0018:ffffa86a82957e48 EFLAGS: 00010286

 4987 00:28:35.760735  CX: 0000000000000000

 4988 00:28:35.772753  # [   41.327494] RDX: 0000000000000000 RSI<4>[   48.582415] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 4989 00:28:35.776471  : ffff9023bad9bf50 RDI: ffffffff89af84b0

 4990 00:28:35.789150  # [   41.335745] RBP: <4>[   48.596937] RDX: ffff9023bac2c620 RSI: ffff9023bac1bf50 RDI: ffff9023bac1bf50

 4991 00:28:35.792828  ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 4992 00:28:35.802607  # <4>[   48.611403] RBP: ffffffff89f82b0b R08: 0000000000000000 R09: 0000000000000000

 4993 00:28:35.815405  [   41.344004] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: <4>[   48.625923] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 4994 00:28:35.819325  0000000000000004

 4995 00:28:35.832213  # [   41.352265] R13: ffffa86a8134ff10 R14: ff<4>[   48.640391] R13: ffffa86a82957f10 R14: ffffa86a82957f10 R15: ffff9023443d4000

 4996 00:28:35.835730  ffa86a8134ff10 R15: ffff902343e7b000

 4997 00:28:35.845475  # [   41.360538] FS:  0000<4>[   48.654873] FS:  00007f707f6f8580(0000) GS:ffff9023bac00000(0000) knlGS:0000000000000000

 4998 00:28:35.859146  7f7293c74580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000<4>[   48.670460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4999 00:28:35.861663  000

 5000 00:28:35.875237  # [   41.369865] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008<4>[   48.683435] CR2: 00007f707f502000 CR3: 0000000106064006 CR4: 00000000003706f0

 5001 00:28:35.875858  0050033

 5002 00:28:35.885121  # [   41.376572] CR2: ffff902343d443c0 CR3: 00000001038<4>[   48.697877] Call Trace:

 5003 00:28:35.885664  9c003 CR4: 00000000003706e0

 5004 00:28:35.894957  # [   41.384834] BUG: sleeping func<4>[   48.707171]  ? __warn+0x80/0x110

 5005 00:28:35.904552  tion called from invalid context at include/linux/percpu-rwsem.h<4>[   48.717259]  ? refcount_warn_saturate+0x51/0x110

 5006 00:28:35.905144  :49

 5007 00:28:35.914851  # [   41.395039] in_atomic(): 0, irqs_disabled(): 1, non_bl<4>[   48.728928]  ? report_bug+0x9e/0xc0

 5008 00:28:35.917733  ock: 0, pid: 1648, name: cat

 5009 00:28:35.925030  # [   41.403785] INFO: lockdep is <4>[   48.739342]  ? handle_bug+0x41/0x90

 5010 00:28:35.928632  turned off.

 5011 00:28:35.931036  # [   41.408452] irq event stamp: 0

 5012 00:28:35.938242  # [   41.41214<4>[   48.749752]  ? exc_invalid_op+0x14/0x70

 5013 00:28:35.945202  9] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5014 00:28:35.947520  # [ <4>[   48.760520]  ? asm_exc_invalid_op+0x12/0x20

 5015 00:28:35.961128    41.419439] hardirqs last disabled at (0): [<ffffffff87efd6cc>]<4>[   48.771714]  ? refcount_warn_saturate+0x51/0x110

 5016 00:28:35.961693   copy_process+0x65c/0x20e0

 5017 00:28:35.970603  # [   41.428858] softirqs last  enab<4>[   48.783361]  ? refcount_warn_saturate+0x51/0x110

 5018 00:28:35.977497  led at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5019 00:28:35.983981  # [ <4>[   48.795054]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 5020 00:28:35.994454    41.438284] softirqs last disabled at (0): [<0000000000000000>]<4>[   48.806900]  direct_entry.cold+0x2c/0x38

 5021 00:28:35.995018   0x0

 5022 00:28:36.004470  # [   41.445574] CPU: 3 PID: 1648 Comm: cat Tainted: G    <4>[   48.817815]  full_proxy_write+0x53/0x80

 5023 00:28:36.007049    D W         5.10.204-cip41 #1

 5024 00:28:36.014000  # [   41.454513] Hardware name:<4>[   48.828583]  vfs_write+0xe7/0x3b0

 5025 00:28:36.021100   Google Rammus/Rammus, BIOS  09/04/2020

 5026 00:28:36.027455  # [   41.461608] Call T<4>[   48.838811]  ksys_write+0x68/0xf0

 5027 00:28:36.027976  race:

 5028 00:28:36.030345  # [   41.464628]  dump_stack+0x77/0x9b

 5029 00:28:36.037276  # [   41.468617] <4>[   48.849005]  do_syscall_64+0x30/0x40

 5030 00:28:36.040551   ___might_sleep.cold+0xa6/0xb6

 5031 00:28:36.047128  # [   41.473490]  exit_signals+0<4>[   48.859526]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5032 00:28:36.050341  x1c/0x300

 5033 00:28:36.054383  # [   41.477769]  do_exit+0xc2/0xab0

 5034 00:28:36.060021  # [   41.481565<4>[   48.871659] RIP: 0033:0x7f707f60e473

 5035 00:28:36.060494  ]  ? ksys_write+0x68/0xf0

 5036 00:28:36.086219  # [   41.485749]  make_task_dead+0x2f<4>[   48.882184] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5037 00:28:36.086793  /0x30

 5038 00:28:36.093089  # [   41.490125]  rewind_stack_and_make_dead+0x17/0x20

 5039 00:28:36.100136  #<4>[   48.909662] RSP: 002b:00007fff57761d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5040 00:28:36.106663   [   41.495667] RIP: 0033:0x7f7293b8a473

 5041 00:28:36.116326  # [   41.499947] Code:<4>[   48.924651] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f707f60e473

 5042 00:28:36.129459   8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f <4>[   48.939109] RDX: 0000000000000016 RSI: 00007f707f502000 RDI: 0000000000000001

 5043 00:28:36.145876  1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <<4>[   48.953590] RBP: 00007f707f502000 R08: 00007f707f501010 R09: 0000000000000000

 5044 00:28:36.159445  48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 <4>[   48.968067] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5045 00:28:36.160050  18

 5046 00:28:36.172555  # [   41.521221] RSP: 002b:00007ffffbd5a6e8 EFLAGS: 00000246<4>[   48.982563] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5047 00:28:36.176300   ORIG_RAX: 0000000000000001

 5048 00:28:36.182367  # [   41.529966] RAX: fffffffffffff<4>[   48.997043] irq event stamp: 0

 5049 00:28:36.189393  fda RBX: 000000000000000d RCX: 00007f7293b8a473

 5050 00:28:36.195681  # [   41.538227<4>[   49.006944] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5051 00:28:36.212227  ] RDX: 000000000000000d RSI: 00007f7293a7e000 RDI: 0000000000000<4>[   49.020501] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5052 00:28:36.212801  001

 5053 00:28:36.228359  # [   41.546488] RBP: 00007f7293a7e000 R08: 00007f7293a7d01<4>[   49.036107] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5054 00:28:36.231973  0 R09: 0000000000000000

 5055 00:28:36.241643  # [   41.554739] R10: fffffffffffffbc5 <4>[   49.051754] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5056 00:28:36.245967  R11: 0000000000000246 R12: 0000000000000001

 5057 00:28:36.255110  # [   41.562999] R1<4>[   49.065249] ---[ end trace 74b841559c2f9310 ]---

 5058 00:28:36.262073  3: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5059 00:28:36.265059  <6>[   49.076928] lkdtm: Overflow detected: saturated

 5060 00:28:36.265538  

 5061 00:28:36.267840  # EXEC_KMALLOC: saw 'call trace:': ok

 5062 00:28:36.271290  ok 32 selftests: lkdtm: EXEC_KMALLOC.sh

 5063 00:28:36.278036  # selftests: lkdtm: EXEC_VMALLOC.sh

 5064 00:28:36.278505  # Killed

 5065 00:28:36.285103  # [   41.700759] lkdtm: Performing direct entry EXEC_VMALLOC

 5066 00:28:36.290934  # [   41.708010] lkdtm: attempting ok execution at ffffffff8897c110

 5067 00:28:36.298089  # [   41.714827] lkdtm: attempting bad execution at ffffa86a80373000

 5068 00:28:36.304270  # [   41.727947] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 5069 00:28:36.314204  # [   41.736602] BUG: unable to handle page fault for address: ffffa86a80373000

 5070 00:28:36.320736  # [   41.744573] #PF: supervisor instruction fetch in kernel mode

 5071 00:28:36.326939  # [   41.751183] #PF: error_code(0x0011) - permissions violation

 5072 00:28:36.334083  # [   41.757698] PGD 100000067 P4D 100000067 PUD 100248067 PMD 10095e067 PTE 8000000103901063

 5073 00:28:36.340443  # [   41.773249] Oops: 0011 [#8] SMP PTI

 5074 00:28:36.347256  # [   41.777434] CPU: 2 PID: 1685 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5075 00:28:36.357212  # [   41.786376] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5076 00:28:36.360268  # [   41.793493] RIP: 0010:0xffffa86a80373000

 5077 00:28:36.367042  # [   41.798162] Code: Unable to access opcode bytes at RIP 0xffffa86a80372fd6.

 5078 00:28:36.373760  # [   41.806122] RSP: 0018:ffffa86a8236fe38 EFLAGS: 00010246

 5079 00:28:36.383333  # [   41.812248] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 5080 00:28:36.390213  # [   41.820501] RDX: 0000000000000000 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50

 5081 00:28:36.399429  # [   41.828753] RBP: ffffa86a80373000 R08: 0000000000000000 R09: 0000000000000000

 5082 00:28:36.410175  # [   41.837011] R10: 00000000ffffe<6>[   49.224515] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 5083 00:28:36.412818  000 R11: 3fffffffffffffff R12: 000000000000000d

 5084 00:28:36.423088  # [   41.845270<6>[   49.233096] lkdtm: attempting bad refcount_inc_not_zero() overflow

 5085 00:28:36.436331  ] R13: ffffa86a8236ff10 R14: ffffa86a8236ff10 R15: ffff902343901<4>[   49.246511] ------------[ cut here ]------------

 5086 00:28:36.436856  000

 5087 00:28:36.446215  # [   41.853544] FS:  00007f86f41a3580(0000) GS:ffff9023bad<4>[   49.258174] refcount_t: saturated; leaking memory.

 5088 00:28:36.449520  00000(0000) knlGS:0000000000000000

 5089 00:28:36.462675  # [   41.862873] CS:  0010 D<4>[   49.270068] WARNING: CPU: 1 PID: 2078 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5090 00:28:36.465613  S: 0000 ES: 0000 CR0: 0000000080050033

 5091 00:28:36.522267  # [   41.869580] CR2: ff<4>[   49.285984] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5092 00:28:36.528315  ffa86a80372fd6 CR3: 0000000106564003 CR4: 00000000003706e0

 5093 00:28:36.535572  # [ <4>[   49.344972] CPU: 1 PID: 2078 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5094 00:28:36.538366    41.877841] Call Trace:

 5095 00:28:36.551504  # [   41.880861]  ? __die_body.cold+0x<4>[   49.360125] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5096 00:28:36.552041  1a/0x1f

 5097 00:28:36.554928  # [   41.885541]  ? no_context+0x177/0x380

 5098 00:28:36.561031  # [   41.88<4>[   49.373420] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5099 00:28:36.564307  9920]  ? exc_page_fault+0xd7/0x170

 5100 00:28:36.590975  # [   41.894589]  ? asm_exc_<4>[   49.385762] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed 89 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed

 5101 00:28:36.591531  page_fault+0x1e/0x30

 5102 00:28:36.601206  # [   41.899554]  ? execute_location+0x45/<4>[   49.413255] RSP: 0018:ffffa86a829e7e38 EFLAGS: 00010282

 5103 00:28:36.610579  <4>[   49.425600] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5104 00:28:36.611062  0x56

 5105 00:28:36.617225  # [   41.904321]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 5106 00:28:36.623949  # [   41<4>[   49.433864] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50

 5107 00:28:36.633866  <4>[   49.448345] RBP: ffffffff89f82748 R08: 0000000000000000 R09: 0000000000000000

 5108 00:28:36.636780  .909280]  ? direct_entry.cold+0x2c/0x38

 5109 00:28:36.646720  # [   41.914145]  ? ful<4>[   49.456610] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5110 00:28:36.656535  <4>[   49.471086] R13: ffffa86a829e7f10 R14: ffffa86a829e7f10 R15: ffff9023441b4000

 5111 00:28:36.657015  l_proxy_write+0x53/0x80

 5112 00:28:36.669777  # [   41.918911]  ? vfs_write+0xe7/0x3b<4>[   49.479353] FS:  00007fe00052f580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 5113 00:28:36.676406  <4>[   49.494899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5114 00:28:36.679961  0

 5115 00:28:36.683443  # [   41.923085]  ? ksys_write+0x68/0xf0

 5116 00:28:36.693003  # [   41.927270]  ?<4>[   49.501612] CR2: 00007fe000339000 CR3: 000000010591e004 CR4: 00000000003706e0

 5117 00:28:36.696702  <4>[   49.516086] Call Trace:

 5118 00:28:36.700076   do_syscall_64+0x30/0x40

 5119 00:28:36.706738  # [   41.931744]  ? entry_SYSCALL_64_a<4>[   49.519110]  ? __warn+0x80/0x110

 5120 00:28:36.714309  <4>[   49.529213]  ? refcount_warn_saturate+0x97/0x110

 5121 00:28:36.714896  fter_hwframe+0x62/0xc7

 5122 00:28:36.722533  # [   41.937872] Modules linked in: fuse<4>[   49.534688]  ? report_bug+0x9e/0xc0

 5123 00:28:36.733163   ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_cor<4>[   49.545086]  ? handle_bug+0x41/0x90

 5124 00:28:36.735953  <4>[   49.555487]  ? exc_invalid_op+0x14/0x70

 5125 00:28:36.742419  <4>[   49.560064]  ? asm_exc_invalid_op+0x12/0x20

 5126 00:28:36.745977  <4>[   49.565034]  ? refcount_warn_saturate+0x97/0x110

 5127 00:28:36.753244  <4>[   49.570491]  ? refcount_warn_saturate+0x97/0x110

 5128 00:28:36.759193  <4>[   49.575944]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5129 00:28:36.766266  <4>[   49.582368]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 5130 00:28:36.769108  <4>[   49.588895]  direct_entry.cold+0x2c/0x38

 5131 00:28:36.782802  e industrialio_triggered_buffer kfifo_buf industrialio snd_soc_d<4>[   49.593570]  full_proxy_write+0x53/0x80

 5132 00:28:36.791879  a7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cr<4>[   49.604362]  vfs_write+0xe7/0x3b0

 5133 00:28:36.802353  os_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensor<4>[   49.614566]  ksys_write+0x68/0xf0

 5134 00:28:36.805439  <4>[   49.624773]  do_syscall_64+0x30/0x40

 5135 00:28:36.818522  hub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compres<4>[   49.629081]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5136 00:28:36.828539  s videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_d<4>[   49.641226] RIP: 0033:0x7fe000445473

 5137 00:28:36.847754  <4>[   49.651723] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5138 00:28:36.864543  maengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify c<4>[   49.673003] RSP: 002b:00007ffc3a1f6788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5139 00:28:36.874305  <4>[   49.687965] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe000445473

 5140 00:28:36.877894  ros_kbd_led_backlight chromeos_pstore coreboot_table

 5141 00:28:36.887617  # [   41.9<4>[   49.696229] RDX: 000000000000001f RSI: 00007fe000339000 RDI: 0000000000000001

 5142 00:28:36.894404  <4>[   49.710704] RBP: 00007fe000339000 R08: 00007fe000338010 R09: 0000000000000000

 5143 00:28:36.897726  96869] CR2: ffffa86a80373000

 5144 00:28:36.910535  # [   42.000856] ---[ end trace 74<4>[   49.718969] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5145 00:28:36.917740  <4>[   49.733444] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5146 00:28:36.920424  b841559c2f9306 ]---

 5147 00:28:36.927924  # [   42.006301] RIP: 0010:lkdtm_BUG+0x5/0x<4>[   49.741713] irq event stamp: 0

 5148 00:28:36.928522  10

 5149 00:28:36.940407  # [   42.010969] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff f<4>[   49.751620] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5150 00:28:36.950292  <4>[   49.765129] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5151 00:28:36.966733  f ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff<4>[   49.774586] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5152 00:28:36.973930  <4>[   49.790226] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5153 00:28:36.986548   ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1<4>[   49.797540] ---[ end trace 74b841559c2f9311 ]---

 5154 00:28:36.990207  <6>[   49.809190] lkdtm: Overflow detected: saturated

 5155 00:28:36.993529  f 44 00 00 83 05 b0 7f 0b 03

 5156 00:28:36.999542  # [   42.032243] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 5157 00:28:37.010319  # [   42.038367] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 5158 00:28:37.016125  # [   42.046629] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 5159 00:28:37.026066  # [   42.054888] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 5160 00:28:37.032309  # [   42.063148] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5161 00:28:37.038999  # [   42.071407] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 5162 00:28:37.049543  # [   42.079667] FS:  00007f86f41a3580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 5163 00:28:37.055601  # [   42.088997] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5164 00:28:37.065574  # [   42.095703] CR2: ffffa86a80372fd6 CR3: 0000000106564003 CR4: 00000000003706e0

 5165 00:28:37.068754  # EXEC_VMALLOC: saw 'call trace:': ok

 5166 00:28:37.071565  ok 33 selftests: lkdtm: EXEC_VMALLOC.sh

 5167 00:28:37.075221  # selftests: lkdtm: EXEC_RODATA.sh

 5168 00:28:37.075383  # Killed

 5169 00:28:37.081789  # [   42.225600] lkdtm: Performing direct entry EXEC_RODATA

 5170 00:28:37.088609  # [   42.234334] lkdtm: attempting ok execution at ffffffff8897c110

 5171 00:28:37.095068  # [   42.241147] lkdtm: attempting bad execution at ffffffff89af8940

 5172 00:28:37.105205  # [   42.248068] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 5173 00:28:37.112125  # [   42.256725] BUG: unable to handle page fault for address: ffffffff89af8940

 5174 00:28:37.118465  # [   42.264695] #PF: supervisor instruction fetch in kernel mode

 5175 00:28:37.124653  # [   42.271307] #PF: error_code(0x0011) - permissions violation

 5176 00:28:37.134844  # [   42.277812] PGD 132629067 P4D 132629067 PUD 13262a063 PMD 8000000131e000e1 

 5177 00:28:37.137702  # [   42.285882] Oops: 0011 [#9] SMP PTI

 5178 00:28:37.154637  # [   42.290064] CPU: 3 PID: 1722 Comm: cat Tainted: G      D W         5.10.204-cip41 #1<6>[   49.966201] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 5179 00:28:37.155230  

 5180 00:28:37.167910  # [   42.299003] Hardware name: Google Rammus/Rammus, BIOS  09<6>[   49.977829] lkdtm: attempting bad refcount_add_not_zero() overflow

 5181 00:28:37.168475  /04/2020

 5182 00:28:37.180826  # [   42.306103] RIP: 0010:lkdtm_rodata_do_nothing+0x0<4>[   49.991240] ------------[ cut here ]------------

 5183 00:28:37.181303  /0x10

 5184 00:28:37.191172  # [   42.312132] Code: ff ff cd 0b 06 89 ff ff ff ff b2 2<4>[   50.002901] refcount_t: saturated; leaking memory.

 5185 00:28:37.208010  c f8 89 ff ff ff ff 13 f3 05 89 ff ff ff ff 55 aa 55 aa 00 00 00<4>[   50.014791] WARNING: CPU: 1 PID: 2111 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5186 00:28:37.266898   00 00 00 00 00 00 00 00 00 <e9> 00 00 00 00 00 00 00 00 00 00 0<4>[   50.030696] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5187 00:28:37.276663  <4>[   50.089683] CPU: 1 PID: 2111 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5188 00:28:37.279962  0 00 00 00 00 54 68 69 73 20 69

 5189 00:28:37.290725  # [   42.333401] RSP: 0018:ffff<4>[   50.098654] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5190 00:28:37.292789  <4>[   50.111963] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5191 00:28:37.296315  a86a823d7e48 EFLAGS: 00010246

 5192 00:28:37.322918  # [   42.339538] RAX: 00000000000<4>[   50.118117] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed 89 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed

 5193 00:28:37.329736  <4>[   50.145603] RSP: 0018:ffffa86a82a4fe38 EFLAGS: 00010282

 5194 00:28:37.333050  00033 RBX: 0000000000000000 RCX: 0000000000000000

 5195 00:28:37.342718  # [   42.3477<4>[   50.151758] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5196 00:28:37.353128  <4>[   50.166231] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50

 5197 00:28:37.365607  99] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad<4>[   50.174542] RBP: ffffffff89f82768 R08: 0000000000000000 R09: 0000000000000000

 5198 00:28:37.372279  <4>[   50.189013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5199 00:28:37.375612  9bf50

 5200 00:28:37.388865  # [   42.356060] RBP: ffffffff89af8940 R08: 0000000000000<4>[   50.197279] R13: ffffa86a82a4ff10 R14: ffffa86a82a4ff10 R15: ffff902344795000

 5201 00:28:37.398752  <4>[   50.211752] FS:  00007f0ff72d5580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 5202 00:28:37.399329  000 R09: 0000000000000000

 5203 00:28:37.412781  # [   42.364322] R10: 00000000ffffe00<4>[   50.221086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5204 00:28:37.418533  <4>[   50.234004] CR2: 00007f0ff70df000 CR3: 0000000102664003 CR4: 00000000003706e0

 5205 00:28:37.422116  0 R11: 3fffffffffffffff R12: 000000000000000c

 5206 00:28:37.428767  # [   42.372584] <4>[   50.242270] Call Trace:

 5207 00:28:37.438511  R13: ffffa86a823d7f10 R14: ffffa86a823d7f10 R15: ffff9023441c800<4>[   50.251508]  ? __warn+0x80/0x110

 5208 00:28:37.438983  0

 5209 00:28:37.451778  # [   42.380847] FS:  00007fec57124580(0000) GS:ffff9023bad80<4>[   50.261615]  ? refcount_warn_saturate+0x97/0x110

 5210 00:28:37.455720  000(0000) knlGS:0000000000000000

 5211 00:28:37.461827  # [   42.390179] CS:  0010 DS:<4>[   50.273279]  ? report_bug+0x9e/0xc0

 5212 00:28:37.464797   0000 ES: 0000 CR0: 0000000080050033

 5213 00:28:37.471743  # [   42.396878] CR2: ffff<4>[   50.283679]  ? handle_bug+0x41/0x90

 5214 00:28:37.478009  ffff89af8940 CR3: 000000010097e001 CR4: 00000000003706e0

 5215 00:28:37.480820  # [   <4>[   50.294076]  ? exc_invalid_op+0x14/0x70

 5216 00:28:37.484689  42.405141] Call Trace:

 5217 00:28:37.491067  # [   42.408160]  ? __die_body.cold+0x1a<4>[   50.304892]  ? asm_exc_invalid_op+0x12/0x20

 5218 00:28:37.495265  /0x1f

 5219 00:28:37.497293  # [   42.412830]  ? no_context+0x177/0x380

 5220 00:28:37.503958  # [   42.4172<4>[   50.316070]  ? refcount_warn_saturate+0x97/0x110

 5221 00:28:37.507918  10]  ? exc_page_fault+0xd7/0x170

 5222 00:28:37.517285  # [   42.421877]  ? asm_exc_pa<4>[   50.327710]  ? refcount_warn_saturate+0x97/0x110

 5223 00:28:37.517868  ge_fault+0x1e/0x30

 5224 00:28:37.527602  # [   42.426841]  ? execute_location+0x45/0x<4>[   50.339374]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5225 00:28:37.530745  56

 5226 00:28:37.534043  # [   42.431605]  ? direct_entry.cold+0x2c/0x38

 5227 00:28:37.540316  # [   42.43<4>[   50.352009]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 5228 00:28:37.543632  6491]  ? full_proxy_write+0x53/0x80

 5229 00:28:37.554243  # [   42.441259]  ? vfs_wri<4>[   50.364739]  direct_entry.cold+0x2c/0x38

 5230 00:28:37.554819  te+0xe7/0x3b0

 5231 00:28:37.556789  # [   42.445435]  ? ksys_write+0x68/0xf0

 5232 00:28:37.564217  # [   4<4>[   50.375627]  full_proxy_write+0x53/0x80

 5233 00:28:37.567606  2.449619]  ? do_syscall_64+0x30/0x40

 5234 00:28:37.573621  # [   42.454093]  ? entry_<4>[   50.386415]  vfs_write+0xe7/0x3b0

 5235 00:28:37.577257  SYSCALL_64_after_hwframe+0x62/0xc7

 5236 00:28:37.584222  # [   42.460213] Modules lin<4>[   50.396619]  ksys_write+0x68/0xf0

 5237 00:28:37.593492  ked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec<4>[   50.406824]  do_syscall_64+0x30/0x40

 5238 00:28:37.606731  _sensors_core industrialio_triggered_buffer kfifo_buf industrial<4>[   50.417320]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5239 00:28:37.616330  io snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev<4>[   50.429495] RIP: 0033:0x7f0ff71eb473

 5240 00:28:37.642789   uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cr<4>[   50.439991] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5241 00:28:37.659484  os_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core<4>[   50.467494] RSP: 002b:00007ffc936c9848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5242 00:28:37.672260   snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_d<4>[   50.482458] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0ff71eb473

 5243 00:28:37.689019  ev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_us<4>[   50.496960] RDX: 000000000000001f RSI: 00007f0ff70df000 RDI: 0000000000000001

 5244 00:28:37.701783  bpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table<4>[   50.511439] RBP: 00007f0ff70df000 R08: 00007f0ff70de010 R09: 0000000000000000

 5245 00:28:37.702349  

 5246 00:28:37.705345  # [   42.519207] CR2: ffffffff89af8940

 5247 00:28:37.718908  # [   42.523196] ---[ <4>[   50.525917] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5248 00:28:37.718994  end trace 74b841559c2f9307 ]---

 5249 00:28:37.731405  # [   42.528641] RIP: 0010:lkdt<4>[   50.540399] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5250 00:28:37.731496  m_BUG+0x5/0x10

 5251 00:28:37.741556  # [   42.533310] Code: 89 ff e8 be d5 79 ff 48 c<4>[   50.554885] irq event stamp: 0

 5252 00:28:37.748092  <4>[   50.564794] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5253 00:28:37.764327  7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7<4>[   50.572090] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5254 00:28:37.781594   c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 0<4>[   50.587734] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5255 00:28:37.788784  <4>[   50.603376] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5256 00:28:37.791341  0 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 5257 00:28:37.797928  # [   42.554574] RSP: <4>[   50.610669] ---[ end trace 74b841559c2f9312 ]---

 5258 00:28:37.804274  <6>[   50.622327] lkdtm: Overflow detected: saturated

 5259 00:28:37.807956  0018:ffffa86a8134fe60 EFLAGS: 00010282

 5260 00:28:37.818069  # [   42.560715] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 5261 00:28:37.824350  # [   42.568976] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 5262 00:28:37.833990  # [   42.577236] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 5263 00:28:37.840999  # [   42.585497] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5264 00:28:37.847520  # [   42.593757] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 5265 00:28:37.857009  # [   42.602017] FS:  00007fec57124580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 5266 00:28:37.863617  # [   42.611346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5267 00:28:37.873464  # [   42.618051] CR2: ffffffff89af8940 CR3: 000000010097e001 CR4: 00000000003706e0

 5268 00:28:37.883716  # [   42.626313] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5269 00:28:37.890230  # [   42.636508] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1722, name: cat

 5270 00:28:37.897027  # [   42.645255] INFO: lockdep is turned off.

 5271 00:28:37.900492  # [   42.649923] irq event stamp: 0

 5272 00:28:37.907010  # [   42.653620] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5273 00:28:37.917312  # [   42.660901] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5274 00:28:37.926349  # [   42.670327] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5275 00:28:37.932687  # [   42.679754] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5276 00:28:37.946323  # [   42.687036] CPU: 3 PID: 1722 Comm: cat Tainted: G      D W         5.10.204-cip<6>[   50.762258] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 5277 00:28:37.952857  <6>[   50.771016] lkdtm: attempting good refcount_dec()

 5278 00:28:37.959500  <6>[   50.776573] lkdtm: attempting bad refcount_dec() to zero

 5279 00:28:37.966036  <4>[   50.782808] ------------[ cut here ]------------

 5280 00:28:37.968934  <4>[   50.788262] refcount_t: decrement hit 0; leaking memory.

 5281 00:28:37.972692  41 #1

 5282 00:28:37.985561  # [   42.695978] Hardware name: Google Rammus/Rammus, BIO<4>[   50.794513] WARNING: CPU: 2 PID: 2144 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5283 00:28:37.988986  S  09/04/2020

 5284 00:28:37.992487  # [   42.703071] Call Trace:

 5285 00:28:38.045855  # [   42.706090]  d<4>[   50.810435] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5286 00:28:38.048810  ump_stack+0x77/0x9b

 5287 00:28:38.061732  # [   42.710079]  ___might_sleep.cold+0xa6/<4>[   50.869433] CPU: 2 PID: 2144 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5288 00:28:38.068188  <4>[   50.884590] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5289 00:28:38.075069  <4>[   50.891690] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5290 00:28:38.094645  <4>[   50.897820] Code: 98 d7 ed 89 c6 05 05 fb 16 02 01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ed 89 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5291 00:28:38.101483  <4>[   50.919124] RSP: 0018:ffffa86a82b1fe48 EFLAGS: 00010286

 5292 00:28:38.102116  0xb6

 5293 00:28:38.107959  # [   42.714935]  exit_signals+0x1c/0x300

 5294 00:28:38.118419  # [   42.719215<4>[   50.925280] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 5295 00:28:38.124904  <4>[   50.939749] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50

 5296 00:28:38.134074  <4>[   50.948012] RBP: ffffffff89f82b21 R08: 0000000000000000 R09: 0000000000000000

 5297 00:28:38.141016  <4>[   50.956275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5298 00:28:38.151002  <4>[   50.964539] R13: ffffa86a82b1ff10 R14: ffffa86a82b1ff10 R15: ffff90234466b000

 5299 00:28:38.157381  <4>[   50.972803] FS:  00007f4b8e80a580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 5300 00:28:38.164475  <4>[   50.982135] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5301 00:28:38.174164  <4>[   50.988844] CR2: 00007f4b8e614000 CR3: 0000000103fe6003 CR4: 00000000003706e0

 5302 00:28:38.177088  <4>[   50.997105] Call Trace:

 5303 00:28:38.180486  <4>[   51.000119]  ? __warn+0x80/0x110

 5304 00:28:38.187276  <4>[   51.004034]  ? refcount_warn_saturate+0xfb/0x110

 5305 00:28:38.187885  ]  do_exit+0xc2/0xab0

 5306 00:28:38.194046  # [   42.723011]  ? ksys_write+0x68/0xf0

 5307 00:28:38.197447  <4>[   51.009496]  ? report_bug+0x9e/0xc0

 5308 00:28:38.200269  <4>[   51.019898]  ? handle_bug+0x41/0x90

 5309 00:28:38.207120  <4>[   51.024105]  ? exc_invalid_op+0x14/0x70

 5310 00:28:38.210044  <4>[   51.028680]  ? asm_exc_invalid_op+0x12/0x20

 5311 00:28:38.216583  <4>[   51.033646]  ? refcount_warn_saturate+0xfb/0x110

 5312 00:28:38.219841  <4>[   51.039117]  ? refcount_warn_saturate+0xfb/0x110

 5313 00:28:38.227065  <4>[   51.044565]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 5314 00:28:38.230116  <4>[   51.049818]  direct_entry.cold+0x2c/0x38

 5315 00:28:38.230684  

 5316 00:28:38.236745  # [   42.727185]  make_task_dead+0x2f/0x30

 5317 00:28:38.243922  # [   42.731553]  r<4>[   51.054498]  full_proxy_write+0x53/0x80

 5318 00:28:38.247064  <4>[   51.065277]  vfs_write+0xe7/0x3b0

 5319 00:28:38.250010  <4>[   51.069294]  ksys_write+0x68/0xf0

 5320 00:28:38.253146  <4>[   51.073318]  do_syscall_64+0x30/0x40

 5321 00:28:38.259687  <4>[   51.077602]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5322 00:28:38.262987  <4>[   51.083568] RIP: 0033:0x7f4b8e720473

 5323 00:28:38.285814  <4>[   51.087853] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5324 00:28:38.295989  <4>[   51.109131] RSP: 002b:00007ffed078d868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5325 00:28:38.302623  <4>[   51.117883] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4b8e720473

 5326 00:28:38.312442  <4>[   51.126148] RDX: 0000000000000012 RSI: 00007f4b8e614000 RDI: 0000000000000001

 5327 00:28:38.318543  <4>[   51.134413] RBP: 00007f4b8e614000 R08: 00007f4b8e613010 R09: 0000000000000000

 5328 00:28:38.328130  <4>[   51.142677] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5329 00:28:38.331259  ewind_stack_and_make_dead+0x17/0x20

 5330 00:28:38.341663  # [   42.737095] RIP: 0033:<4>[   51.150941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5331 00:28:38.341748  0x7fec5703a473

 5332 00:28:38.351532  # [   42.741374] Code: 8b 15 21 2a 0e 00 f7 d8 6<4>[   51.165422] irq event stamp: 0

 5333 00:28:38.357913  <4>[   51.175331] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5334 00:28:38.367817  <4>[   51.182623] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5335 00:28:38.377851  <4>[   51.192051] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5336 00:28:38.385453  <4>[   51.201492] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5337 00:28:38.397673  4 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00<4>[   51.208785] ---[ end trace 74b841559c2f9313 ]---

 5338 00:28:38.401779  <6>[   51.220443] lkdtm: Zero detected: saturated

 5339 00:28:38.411629   00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5340 00:28:38.420866  # [   42.762640] RSP: 002b:00007ffc1943ae08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5341 00:28:38.427716  # [   42.771388] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fec5703a473

 5342 00:28:38.437693  # [   42.779638] RDX: 000000000000000c RSI: 00007fec56f2e000 RDI: 0000000000000001

 5343 00:28:38.443910  # [   42.787898] RBP: 00007fec56f2e000 R08: 00007fec56f2d010 R09: 0000000000000000

 5344 00:28:38.454060  # [   42.796160] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5345 00:28:38.460619  # [   42.804421] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5346 00:28:38.463526  # EXEC_RODATA: saw 'call trace:': ok

 5347 00:28:38.470248  ok 34 selftests: lkdtm: EXEC_RODATA.sh

 5348 00:28:38.473868  # selftests: lkdtm: EXEC_USERSPACE.sh

 5349 00:28:38.474299  # Killed

 5350 00:28:38.480467  # [   42.943282] lkdtm: Performing direct entry EXEC_USERSPACE

 5351 00:28:38.486558  # [   42.955785] lkdtm: attempting ok execution at ffffffff8897c110

 5352 00:28:38.493528  # [   42.962616] lkdtm: attempting bad execution at 00007ff3bdf86000

 5353 00:28:38.500151  # [   42.969565] unable to execute userspace code (SMEP?) (uid: 0)

 5354 00:28:38.506802  # [   42.976280] BUG: unable to handle page fault for address: 00007ff3bdf86000

 5355 00:28:38.514815  # [   42.990467] #PF: supervisor instruction fetch in kernel mode

 5356 00:28:38.519807  # [   42.997079] #PF: error_code(0x0011) - permissions violation

 5357 00:28:38.529810  # [   43.009807] PGD 8000000106477067 P4D 8000000106477067 PUD 103009067 PMD 1047e3067 PTE 106835067

 5358 00:28:38.536167  # [   43.026038] Oops: 0011 [#10] SMP PTI

 5359 00:28:38.542389  # [   43.030320] CPU: 3 PID: 1759 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5360 00:28:38.553047  # [   43.<6>[   51.367998] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 5361 00:28:38.559000  039263] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5362 00:28:38.565983  #<6>[   51.375500] lkdtm: attempting bad refcount_dec() below zero

 5363 00:28:38.568812   [   43.046365] RIP: 0010:0x7ff3bdf86000

 5364 00:28:38.575689  # [   43.050645] Code:<4>[   51.388229] ------------[ cut here ]------------

 5365 00:28:38.582416   Unable to access opcode bytes at RIP 0x7ff3bdf85fd6.

 5366 00:28:38.589159  # [   43.<4>[   51.399894] refcount_t: decrement hit 0; leaking memory.

 5367 00:28:38.592650  064443] RSP: 0018:ffffa86a824a7e50 EFLAGS: 00010246

 5368 00:28:38.605488  # [   43.07<4>[   51.412363] WARNING: CPU: 1 PID: 2180 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5369 00:28:38.665255  0567] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 000000000<4>[   51.428268] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5370 00:28:38.665858  0000000

 5371 00:28:38.678689  # [   43.078827] RDX: 0000000000000000 RSI: ffff9023bad<4>[   51.487231] CPU: 1 PID: 2180 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5372 00:28:38.681453  9bf50 RDI: ffff9023bad9bf50

 5373 00:28:38.692080  # [   43.087089] RBP: 00007ff3bdf86<4>[   51.502393] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5374 00:28:38.698024  000 R08: 0000000000000000 R09: 0000000000000000

 5375 00:28:38.704702  # [   43.095348<4>[   51.515709] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5376 00:28:38.724221  <4>[   51.528049] Code: 98 d7 ed 89 c6 05 05 fb 16 02 01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ed 89 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5377 00:28:38.737634  ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000<4>[   51.549352] RSP: 0018:ffffa86a82bbfe48 EFLAGS: 00010286

 5378 00:28:38.738200  00f

 5379 00:28:38.754691  # [   43.103610] R13: ffffa86a824a7f10 R14: ffffa86a824a7f1<4>[   51.561695] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 5380 00:28:38.761344  <4>[   51.576173] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50

 5381 00:28:38.770546  <4>[   51.584438] RBP: ffffffff89f82b33 R08: 0000000000000000 R09: 0000000000000000

 5382 00:28:38.771019  0 R15: ffff9023440d6000

 5383 00:28:38.783747  # [   43.111870] FS:  00007ff3bdf57580(<4>[   51.592701] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5384 00:28:38.793810  <4>[   51.607176] R13: ffffa86a82bbff10 R14: ffffa86a82bbff10 R15: ffff9023459ee000

 5385 00:28:38.796883  0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 5386 00:28:38.806591  # [   43<4>[   51.615445] FS:  00007fdb8569f580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 5387 00:28:38.813541  .121200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5388 00:28:38.819759  # [ <4>[   51.630994] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5389 00:28:38.829866  <4>[   51.643921] CR2: 00007fdb854a9000 CR3: 0000000103b44001 CR4: 00000000003706e0

 5390 00:28:38.835979    43.127908] CR2: 00007ff3bdf86000 CR3: 0000000103904003 CR4: 00<4>[   51.652188] Call Trace:

 5391 00:28:38.839340  000000003706e0

 5392 00:28:38.842669  # [   43.136168] Call Trace:

 5393 00:28:38.849459  # [   43.139189]  <4>[   51.661424]  ? __warn+0x80/0x110

 5394 00:28:38.849799  ? __die_body.cold+0x1a/0x1f

 5395 00:28:38.859017  # [   43.143859]  ? no_context+0x17<4>[   51.671530]  ? refcount_warn_saturate+0xfb/0x110

 5396 00:28:38.859265  7/0x380

 5397 00:28:38.865751  # [   43.148237]  ? exc_page_fault+0x53/0x170

 5398 00:28:38.868886  # [   43<4>[   51.683196]  ? report_bug+0x9e/0xc0

 5399 00:28:38.875874  .152905]  ? asm_exc_page_fault+0x1e/0x30

 5400 00:28:38.879426  # [   43.157869]  ? lk<4>[   51.693599]  ? handle_bug+0x41/0x90

 5401 00:28:38.882683  dtm_EXEC_USERSPACE.cold+0x66/0xae

 5402 00:28:38.893002  # [   43.163507]  ? direct_en<4>[   51.703997]  ? exc_invalid_op+0x14/0x70

 5403 00:28:38.893553  try.cold+0x2c/0x38

 5404 00:28:38.902414  # [   43.168372]  ? full_proxy_write+0x53/0x<4>[   51.714788]  ? asm_exc_invalid_op+0x12/0x20

 5405 00:28:38.902947  80

 5406 00:28:38.905437  # [   43.173138]  ? vfs_write+0xe7/0x3b0

 5407 00:28:38.915208  # [   43.177313]  <4>[   51.725970]  ? refcount_warn_saturate+0xfb/0x110

 5408 00:28:38.915763  ? ksys_write+0x68/0xf0

 5409 00:28:38.925970  # [   43.181496]  ? do_syscall_64+0x30/0<4>[   51.737630]  ? refcount_warn_saturate+0xfb/0x110

 5410 00:28:38.926459  x40

 5411 00:28:38.938754  # [   43.185971]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc<4>[   51.749295]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 5412 00:28:38.939332  7

 5413 00:28:38.948183  # [   43.192098] Modules linked in: fuse ip_tables cros_ec_li<4>[   51.761155]  direct_entry.cold+0x2c/0x38

 5414 00:28:38.958685  d_angle cros_ec_sensors cros_ec_sensors_core industrialio_trigge<4>[   51.772041]  full_proxy_write+0x53/0x80

 5415 00:28:38.968229  red_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs c<4>[   51.782832]  vfs_write+0xe7/0x3b0

 5416 00:28:38.982190  ros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger video<4>[   51.793040]  ksys_write+0x68/0xf0

 5417 00:28:38.991357  buf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops <4>[   51.803248]  do_syscall_64+0x30/0x40

 5418 00:28:39.000613  cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi<4>[   51.813744]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5419 00:28:39.014191   x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_co<4>[   51.825896] RIP: 0033:0x7fdb855b5473

 5420 00:28:39.040338  mmon regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight<4>[   51.836394] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5421 00:28:39.043722   chromeos_pstore coreboot_table

 5422 00:28:39.053751  # [   43.251087] CR2: 00007ff3b<4>[   51.863887] RSP: 002b:00007ffef3a73558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5423 00:28:39.056808  df86000

 5424 00:28:39.060109  # [   43.255076] ---[ end trace 74b841559c2f9308 ]---

 5425 00:28:39.070266  <4>[   51.878854] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdb855b5473

 5426 00:28:39.074111  # [   43.260514] RIP: 0010:lkdtm_BUG+0x5/0x10

 5427 00:28:39.083699  # [   43.265182] <4>[   51.893332] RDX: 0000000000000016 RSI: 00007fdb854a9000 RDI: 0000000000000001

 5428 00:28:39.099684  Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 e<4>[   51.907808] RBP: 00007fdb854a9000 R08: 00007fdb854a8010 R09: 0000000000000000

 5429 00:28:39.113177  a ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00<4>[   51.922287] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5430 00:28:39.126280   00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7<4>[   51.936768] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5431 00:28:39.129851  f 0b 03

 5432 00:28:39.136006  # [   43.286448] RSP: 0018:ffffa86a8134fe60 EFLAGS: 000<4>[   51.951249] irq event stamp: 0

 5433 00:28:39.139068  10282

 5434 00:28:39.152553  # [   43.292563] RAX: ffffffff8897bd40 RBX: 0000000000000<4>[   51.961160] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5435 00:28:39.152983  001 RCX: 0000000000000000

 5436 00:28:39.165350  # [   43.300823] RDX: 000000000000000<4>[   51.974667] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5437 00:28:39.172852  0 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 5438 00:28:39.181903  # [   43.309084] <4>[   51.990310] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5439 00:28:39.195211  RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 000000000000000<4>[   52.005952] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5440 00:28:39.195781  1

 5441 00:28:39.208830  # [   43.317344] R10: 00000000ffffe000 R11: 3fffffffffffffff <4>[   52.019458] ---[ end trace 74b841559c2f9314 ]---

 5442 00:28:39.209355  R12: 0000000000000004

 5443 00:28:39.218567  # [   43.325603] R13: ffffa86a8134ff10 R1<6>[   52.031121] lkdtm: Negative detected: saturated

 5444 00:28:39.222059  4: ffffa86a8134ff10 R15: ffff902343e7b000

 5445 00:28:39.231399  # [   43.333863] FS:  00007ff3bdf57580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 5446 00:28:39.238567  # [   43.343192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5447 00:28:39.248037  # [   43.349900] CR2: 00007ff3bdf86000 CR3: 0000000103904003 CR4: 00000000003706e0

 5448 00:28:39.251277  # EXEC_USERSPACE: saw 'call trace:': ok

 5449 00:28:39.254777  ok 35 selftests: lkdtm: EXEC_USERSPACE.sh

 5450 00:28:39.257978  # selftests: lkdtm: EXEC_NULL.sh

 5451 00:28:39.261488  # Killed

 5452 00:28:39.264233  # [   43.477222] lkdtm: Performing direct entry EXEC_NULL

 5453 00:28:39.271083  # [   43.488449] lkdtm: attempting ok execution at ffffffff8897c110

 5454 00:28:39.277617  # [   43.501494] lkdtm: attempting bad execution at 0000000000000000

 5455 00:28:39.287673  # [   43.514620] BUG: kernel NULL pointer dereference, address: 0000000000000000

 5456 00:28:39.294303  # [   43.528900] #PF: supervisor instruction fetch in kernel mode

 5457 00:28:39.301148  # [   43.535512] #PF: error_code(0x0010) - not-present page

 5458 00:28:39.301581  # [   43.547754] PGD 0 P4D 0 

 5459 00:28:39.308083  # [   43.557089] Oops: 0010 [#11] SMP PTI

 5460 00:28:39.313993  # [   43.561368] CPU: 1 PID: 1796 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5461 00:28:39.323806  # [   43.570310] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5462 00:28:39.326908  # [   43.577398] RIP: 0010:0x0

 5463 00:28:39.333500  # [   43.580610] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 5464 00:28:39.340399  # [   43.588579] RSP: 0018:ffffa86a82507e48 EFLAGS: 00010246

 5465 00:28:39.346708  # [   43.594704] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 5466 00:28:39.356721  # [   43.602964] RDX: 0000000000000000 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50

 5467 00:28:39.363521  # [   43.611226] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 5468 00:28:39.373207  # [   43.619489] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 5469 00:28:39.379621  # [   43.627741] R13: ffffa86a82507f10 R14: ffffa86a82507f10 R15: ffff90234639b000

 5470 00:28:39.389910  # [   43.636002] FS:  00007fd3c86e1580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 5471 00:28:39.399757  # [   43.645332] CS:  0010 DS: 0000 ES:<6>[   52.211541] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 5472 00:28:39.409929  <6>[   52.224723] lkdtm: attempting bad refcount_dec_and_test() below zero

 5473 00:28:39.412978  <4>[   52.232120] ------------[ cut here ]------------

 5474 00:28:39.419121  <4>[   52.237598] refcount_t: underflow; use-after-free.

 5475 00:28:39.429255  <4>[   52.243266] WARNING: CPU: 3 PID: 2216 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 5476 00:28:39.432960   0000 CR0: 0000000080050033

 5477 00:28:39.488441  # [   43.652030] CR2: fffffffffffff<4>[   52.252991] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5478 00:28:39.498884  <4>[   52.311946] CPU: 3 PID: 2216 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5479 00:28:39.505033  <4>[   52.320920] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5480 00:28:39.512034  <4>[   52.328018] RIP: 0010:refcount_warn_saturate+0xba/0x110

 5481 00:28:39.531276  <4>[   52.334144] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 89 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7

 5482 00:28:39.537835  <4>[   52.355421] RSP: 0018:ffffa86a82c37e40 EFLAGS: 00010286

 5483 00:28:39.545169  <4>[   52.361547] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 5484 00:28:39.555010  <4>[   52.369810] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 5485 00:28:39.561183  <4>[   52.378072] RBP: ffffffff89f82788 R08: 0000000000000000 R09: 0000000000000000

 5486 00:28:39.571093  <4>[   52.386333] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5487 00:28:39.577732  <4>[   52.394590] R13: ffffa86a82c37f10 R14: ffffa86a82c37f10 R15: ffff902344767000

 5488 00:28:39.587618  <4>[   52.402854] FS:  00007f4a629b2580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 5489 00:28:39.594370  <4>[   52.412184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5490 00:28:39.604414  <4>[   52.418895] CR2: 00007f4a627bc000 CR3: 00000001058ec002 CR4: 00000000003706e0

 5491 00:28:39.608184  <4>[   52.427159] Call Trace:

 5492 00:28:39.611518  fd6 CR3: 000000010639c005 CR4: 00000000003706e0

 5493 00:28:39.618087  # [   43.660291<4>[   52.430182]  ? __warn+0x80/0x110

 5494 00:28:39.621289  <4>[   52.440287]  ? refcount_warn_saturate+0xba/0x110

 5495 00:28:39.627949  <4>[   52.445735]  ? report_bug+0x9e/0xc0

 5496 00:28:39.631152  <4>[   52.449944]  ? handle_bug+0x41/0x90

 5497 00:28:39.634436  <4>[   52.454152]  ? exc_invalid_op+0x14/0x70

 5498 00:28:39.641311  <4>[   52.458725]  ? asm_exc_invalid_op+0x12/0x20

 5499 00:28:39.644457  <4>[   52.463690]  ? refcount_warn_saturate+0xba/0x110

 5500 00:28:39.650808  <4>[   52.469168]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 5501 00:28:39.657496  <4>[   52.475588]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 5502 00:28:39.664183  <4>[   52.482106]  direct_entry.cold+0x2c/0x38

 5503 00:28:39.667023  <4>[   52.486777]  full_proxy_write+0x53/0x80

 5504 00:28:39.670601  ] Call Trace:

 5505 00:28:39.674269  # [   43.663312]  ? __die_body.cold+0x1a/0x1f

 5506 00:28:39.676777  # <4>[   52.491379]  vfs_write+0xe7/0x3b0

 5507 00:28:39.684423  [   43.674198]  ? no_context+0x177/0x380

 5508 00:28:39.687152  # [   43.678580]  ? ex<4>[   52.501586]  ksys_write+0x68/0xf0

 5509 00:28:39.690026  c_page_fault+0x53/0x170

 5510 00:28:39.700017  # [   43.689460]  ? asm_exc_page_fault+<4>[   52.511795]  do_syscall_64+0x30/0x40

 5511 00:28:39.703420  <4>[   52.522293]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5512 00:28:39.709978  <4>[   52.528256] RIP: 0033:0x7f4a628c8473

 5513 00:28:39.729734  <4>[   52.532538] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5514 00:28:39.740388  <4>[   52.553815] RSP: 002b:00007ffe0f6e5118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5515 00:28:39.746054  <4>[   52.562567] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4a628c8473

 5516 00:28:39.749642  0x1e/0x30

 5517 00:28:39.752978  # [   43.694441]  execute_location+0x45/0x56

 5518 00:28:39.762763  # [   4<4>[   52.570859] RDX: 000000000000001f RSI: 00007f4a627bc000 RDI: 0000000000000001

 5519 00:28:39.769264  <4>[   52.585328] RBP: 00007f4a627bc000 R08: 00007f4a627bb010 R09: 0000000000000000

 5520 00:28:39.779503  <4>[   52.593592] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5521 00:28:39.785854  <4>[   52.601854] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5522 00:28:39.789153  <4>[   52.610112] irq event stamp: 0

 5523 00:28:39.799523  <4>[   52.613832] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5524 00:28:39.805725  <4>[   52.621125] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5525 00:28:39.815631  <4>[   52.630554] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5526 00:28:39.822175  <4>[   52.639981] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5527 00:28:39.828892  <4>[   52.647264] ---[ end trace 74b841559c2f9315 ]---

 5528 00:28:39.836023  <6>[   52.652711] lkdtm: Negative detected: saturated

 5529 00:28:39.838933  3.705221]  direct_entry.cold+0x2c/0x38

 5530 00:28:39.841962  # [   43.709891]  full_proxy_write+0x53/0x80

 5531 00:28:39.845197  # [   43.714483]  vfs_write+0xe7/0x3b0

 5532 00:28:39.852027  # [   43.724690]  ksys_write+0x68/0xf0

 5533 00:28:39.855254  # [   43.728680]  do_syscall_64+0x30/0x40

 5534 00:28:39.862245  # [   43.732961]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5535 00:28:39.865095  # [   43.738883] RIP: 0033:0x7fd3c85f7473

 5536 00:28:39.885263  # [   43.743154] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5537 00:28:39.894364  # [   43.764429] RSP: 002b:00007ffddcd75348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5538 00:28:39.901070  # [   43.773177] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd3c85f7473

 5539 00:28:39.911047  # [   43.781438] RDX: 000000000000000a RSI: 00007fd3c84eb000 RDI: 0000000000000001

 5540 00:28:39.917972  # [   43.789700] RBP: 00007fd3c84eb000 R08: 00007fd3c84ea010 R09: 0000000000000000

 5541 00:28:39.927698  # [   43.797961] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5542 00:28:39.934012  # [   43.806222] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5543 00:28:39.990441  # [   43.814492] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_l<6>[   52.803424] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 5544 00:28:40.000355  <6>[   52.815135] lkdtm: attempting bad refcount_sub_and_test() below zero

 5545 00:28:40.003302  <4>[   52.822534] ------------[ cut here ]------------

 5546 00:28:40.010042  <4>[   52.827988] refcount_t: underflow; use-after-free.

 5547 00:28:40.013270  ed_backlight chromeos_pstore coreboot_table

 5548 00:28:40.026954  # [   43.873439] CR<4>[   52.833641] WARNING: CPU: 3 PID: 2252 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 5549 00:28:40.027390  2: 0000000000000000

 5550 00:28:40.085861  # [   43.877428] ---[ end trace 74b841559c2<4>[   52.849562] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5551 00:28:40.092522  <4>[   52.908579] CPU: 3 PID: 2252 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5552 00:28:40.095876  f9309 ]---

 5553 00:28:40.099105  # [   43.882874] RIP: 0010:lkdtm_BUG+0x5/0x10

 5554 00:28:40.105635  # [  <4>[   52.917532] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5555 00:28:40.112712  <4>[   52.930838] RIP: 0010:refcount_warn_saturate+0xba/0x110

 5556 00:28:40.135726  <4>[   52.936964] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 89 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7

 5557 00:28:40.143092  <4>[   52.958238] RSP: 0018:ffffa86a82cdfe40 EFLAGS: 00010286

 5558 00:28:40.148864  <4>[   52.964365] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 5559 00:28:40.158859  <4>[   52.972619] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 5560 00:28:40.165439  <4>[   52.980882] RBP: ffffffff89f827a8 R08: 0000000000000000 R09: 0000000000000000

 5561 00:28:40.175299  <4>[   52.989144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5562 00:28:40.181767  <4>[   52.997399] R13: ffffa86a82cdff10 R14: ffffa86a82cdff10 R15: ffff90234604a000

 5563 00:28:40.191453  <4>[   53.005663] FS:  00007fcb5b632580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 5564 00:28:40.198010  <4>[   53.014995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5565 00:28:40.207813  <4>[   53.021702] CR2: 00007fcb5b43c000 CR3: 0000000106294006 CR4: 00000000003706e0

 5566 00:28:40.208308  <4>[   53.029965] Call Trace:

 5567 00:28:40.214455  <4>[   53.032988]  ? __warn+0x80/0x110

 5568 00:28:40.218448  <4>[   53.036913]  ? refcount_warn_saturate+0xba/0x110

 5569 00:28:40.224211  <4>[   53.042360]  ? report_bug+0x9e/0xc0

 5570 00:28:40.227767  <4>[   53.046550]  ? handle_bug+0x41/0x90

 5571 00:28:40.230971  <4>[   53.050758]  ? exc_invalid_op+0x14/0x70

 5572 00:28:40.237297  <4>[   53.055332]  ? asm_exc_invalid_op+0x12/0x20

 5573 00:28:40.240899  <4>[   53.060297]  ? refcount_warn_saturate+0xba/0x110

 5574 00:28:40.247842  <4>[   53.065775]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 5575 00:28:40.254244  <4>[   53.072195]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 5576 00:28:40.260903  <4>[   53.078711]  direct_entry.cold+0x2c/0x38

 5577 00:28:40.263813  <4>[   53.083382]  full_proxy_write+0x53/0x80

 5578 00:28:40.267544  <4>[   53.087958]  vfs_write+0xe7/0x3b0

 5579 00:28:40.273619  <4>[   53.091950]  ksys_write+0x68/0xf0

 5580 00:28:40.276896  <4>[   53.095942]  do_syscall_64+0x30/0x40

 5581 00:28:40.290284   43.887541] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb d<4>[   53.100226]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5582 00:28:40.300214  e 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9<4>[   53.112374] RIP: 0033:0x7fcb5b548473

 5583 00:28:40.320773  <4>[   53.122874] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5584 00:28:40.329679  <4>[   53.144152] RSP: 002b:00007ffda1330718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5585 00:28:40.336537  <4>[   53.152902] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcb5b548473

 5586 00:28:40.346166  <4>[   53.161164] RDX: 000000000000001f RSI: 00007fcb5b43c000 RDI: 0000000000000001

 5587 00:28:40.353133  <4>[   53.169429] RBP: 00007fcb5b43c000 R08: 00007fcb5b43b010 R09: 0000000000000000

 5588 00:28:40.362580  <4>[   53.177691] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5589 00:28:40.369434  <4>[   53.185954] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5590 00:28:40.372433  <4>[   53.194220] irq event stamp: 0

 5591 00:28:40.382686  <4>[   53.197941] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5592 00:28:40.392753  <4>[   53.205234] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5593 00:28:40.399303  <4>[   53.214663] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5594 00:28:40.408932  <4>[   53.224092] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5595 00:28:40.412073  <4>[   53.231384] ---[ end trace 74b841559c2f9316 ]---

 5596 00:28:40.418612  <6>[   53.236831] lkdtm: Negative detected: saturated

 5597 00:28:40.425680   0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 5598 00:28:40.432139  # [   43.908815] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 5599 00:28:40.441721  # [   43.914931] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 5600 00:28:40.448851  # [   43.923192] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 5601 00:28:40.458608  # [   43.931454] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 5602 00:28:40.465498  # [   43.939706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5603 00:28:40.475694  # [   43.947967] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 5604 00:28:40.481512  # [   43.956227] FS:  00007fd3c86e1580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 5605 00:28:40.488584  # [   43.965555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5606 00:28:40.498432  # [   43.972262] CR2: ffffffffffffffd6 CR3: 000000010639c005 CR4: 00000000003706e0

 5607 00:28:40.507927  # [   43.980537] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5608 00:28:40.518170  # [   43.990744] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1796, name: cat

 5609 00:28:40.521729  # [   43.999489] INFO: lockdep is turned off.

 5610 00:28:40.524564  # [   44.004158] irq event stamp: 0

 5611 00:28:40.531586  # [   44.007854] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5612 00:28:40.541054  # [   44.015144] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5613 00:28:40.550483  # [   44.024570] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5614 00:28:40.557017  # [   44.033995] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5615 00:28:40.567433  # [   44.041285] CPU: 1 PID: 1796 Comm: c<6>[   53.379540] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 5616 00:28:40.573754  <6>[   53.391799] lkdtm: attempting safe refcount_inc_not_zero() from zero

 5617 00:28:40.580015  <6>[   53.399195] lkdtm: Good: zero detected

 5618 00:28:40.583621  <6>[   53.403701] lkdtm: Correctly stayed at zero

 5619 00:28:40.590199  <6>[   53.408664] lkdtm: attempting bad refcount_inc() from zero

 5620 00:28:40.596644  at Tainted: G      D W         5.10.204-cip41 #1

 5621 00:28:40.603214  # [   44.05022<4>[   53.415084] ------------[ cut here ]------------

 5622 00:28:40.610264  4] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5623 00:28:40.616636  # [   <4>[   53.426746] refcount_t: addition on 0; use-after-free.

 5624 00:28:40.626881  <4>[   53.439019] WARNING: CPU: 2 PID: 2285 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 5625 00:28:40.627376  44.057317] Call Trace:

 5626 00:28:40.629964  # [   44.060335]  dump_stack+0x77/0x9b

 5627 00:28:40.682646  <4>[   53.448746] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5628 00:28:40.692786  <4>[   53.507725] CPU: 2 PID: 2285 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5629 00:28:40.699160  # [   44.064327]  ___might_sleep.cold+0xa6/0xb6

 5630 00:28:40.705692  # [   44.075401<4>[   53.516678] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5631 00:28:40.712539  <4>[   53.529988] RIP: 0010:refcount_warn_saturate+0x74/0x110

 5632 00:28:40.732586  <4>[   53.536117] Code: 02 01 e8 79 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed 89 c6 05 75 fb 16 02 01 e8 56 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed

 5633 00:28:40.738820  <4>[   53.557395] RSP: 0018:ffffa86a82d67e48 EFLAGS: 00010286

 5634 00:28:40.748791  <4>[   53.563538] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 5635 00:28:40.755380  <4>[   53.571801] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50

 5636 00:28:40.766023  <4>[   53.580063] RBP: ffffffff89f82b49 R08: 0000000000000000 R09: 0000000000000000

 5637 00:28:40.771893  <4>[   53.588326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5638 00:28:40.781672  <4>[   53.596590] R13: ffffa86a82d67f10 R14: ffffa86a82d67f10 R15: ffff90234591f000

 5639 00:28:40.791815  <4>[   53.604854] FS:  00007f90dd8ee580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 5640 00:28:40.798738  <4>[   53.614185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5641 00:28:40.805325  <4>[   53.620885] CR2: 00007f90dd6f8000 CR3: 0000000102872001 CR4: 00000000003706e0

 5642 00:28:40.808702  <4>[   53.629139] Call Trace:

 5643 00:28:40.811577  <4>[   53.632163]  ? __warn+0x80/0x110

 5644 00:28:40.818131  <4>[   53.636086]  ? refcount_warn_saturate+0x74/0x110

 5645 00:28:40.821271  <4>[   53.641539]  ? report_bug+0x9e/0xc0

 5646 00:28:40.828005  <4>[   53.645726]  ? handle_bug+0x41/0x90

 5647 00:28:40.831134  <4>[   53.649933]  ? exc_invalid_op+0x14/0x70

 5648 00:28:40.834435  <4>[   53.654509]  ? asm_exc_invalid_op+0x12/0x20

 5649 00:28:40.838349  ]  exit_signals+0x1c/0x300

 5650 00:28:40.848094  # [   44.079682]  do_exit+0xc2/0xab0<4>[   53.659495]  ? refcount_warn_saturate+0x74/0x110

 5651 00:28:40.854167  <4>[   53.671155]  ? refcount_warn_saturate+0x74/0x110

 5652 00:28:40.857759  <4>[   53.676601]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 5653 00:28:40.864162  <4>[   53.681855]  direct_entry.cold+0x2c/0x38

 5654 00:28:40.864673  

 5655 00:28:40.867395  # [   44.089691]  ? ksys_write+0x68/0xf0

 5656 00:28:40.873503  # [   44.093874]  ma<4>[   53.686530]  full_proxy_write+0x53/0x80

 5657 00:28:40.876953  ke_task_dead+0x2f/0x30

 5658 00:28:40.883797  # [   44.098250]  rewind_stack_and_make_<4>[   53.697323]  vfs_write+0xe7/0x3b0

 5659 00:28:40.886859  <4>[   53.707527]  ksys_write+0x68/0xf0

 5660 00:28:40.894054  <4>[   53.711542]  do_syscall_64+0x30/0x40

 5661 00:28:40.897239  <4>[   53.715824]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5662 00:28:40.903432  <4>[   53.721758] RIP: 0033:0x7f90dd804473

 5663 00:28:40.923905  <4>[   53.726038] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5664 00:28:40.934056  <4>[   53.747314] RSP: 002b:00007ffcde8929c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5665 00:28:40.940013  <4>[   53.756064] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f90dd804473

 5666 00:28:40.949863  <4>[   53.764327] RDX: 0000000000000012 RSI: 00007f90dd6f8000 RDI: 0000000000000001

 5667 00:28:40.956270  <4>[   53.772591] RBP: 00007f90dd6f8000 R08: 00007f90dd6f7010 R09: 0000000000000000

 5668 00:28:40.966828  <4>[   53.780854] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5669 00:28:40.973526  <4>[   53.789116] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5670 00:28:40.976290  <4>[   53.797375] irq event stamp: 0

 5671 00:28:40.986256  <4>[   53.801104] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5672 00:28:40.993017  <4>[   53.808397] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5673 00:28:41.002758  <4>[   53.817826] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5674 00:28:41.012370  <4>[   53.827255] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5675 00:28:41.016422  <4>[   53.834552] ---[ end trace 74b841559c2f9317 ]---

 5676 00:28:41.022869  <6>[   53.839999] lkdtm: Zero detected: saturated

 5677 00:28:41.023391  dead+0x17/0x20

 5678 00:28:41.026224  # [   44.103794] RIP: 0033:0x7fd3c85f7473

 5679 00:28:41.048896  # [   44.108065] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5680 00:28:41.055749  # [   44.129329] RSP: 002b:00007ffddcd75348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5681 00:28:41.065494  # [   44.138077] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd3c85f7473

 5682 00:28:41.071902  # [   44.146329] RDX: 000000000000000a RSI: 00007fd3c84eb000 RDI: 0000000000000001

 5683 00:28:41.082250  # [   44.154589] RBP: 00007fd3c84eb000 R08: 00007fd3c84ea010 R09: 0000000000000000

 5684 00:28:41.088010  # [   44.162850] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5685 00:28:41.097989  # [   44.171110] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5686 00:28:41.101341  # EXEC_NULL: saw 'call trace:': ok

 5687 00:28:41.104715  ok 36 selftests: lkdtm: EXEC_NULL.sh

 5688 00:28:41.108225  # selftests: lkdtm: ACCESS_USERSPACE.sh

 5689 00:28:41.111427  # Killed

 5690 00:28:41.114625  # [   44.301643] lkdtm: Performing direct entry ACCESS_USERSPACE

 5691 00:28:41.121867  # [   44.310317] lkdtm: attempting bad read at 00007f687b896000

 5692 00:28:41.131567  # [   44.316753] BUG: unable to handle page fault for address: 00007f687b896000

 5693 00:28:41.137754  # [   44.330924] #PF: supervisor read access in kernel mode

 5694 00:28:41.144284  # [   44.336952] #PF: error_code(0x0001) - permissions violation

 5695 00:28:41.154431  # [   44.343464] PGD 8000000104917067 P4D 8000000104917067 PUD 1065db067 PMD 1041e3067 PTE 108467067

 5696 00:28:41.157838  # [   44.359694] Oops: 0001 [#12] SMP PTI

 5697 00:28:41.167579  # [   44.363975] CPU: 3 PID: 1832 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5698 00:28:41.177355  # [   44.372918] Hardware name: Google Rammus/Ramm<6>[   53.991026] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 5699 00:28:41.183920  <6>[   54.000914] lkdtm: attempting safe refcount_add_not_zero() from zero

 5700 00:28:41.187600  us, BIOS  09/04/2020

 5701 00:28:41.197368  # [   44.380007] RIP: 0010:lkdtm_ACCESS_US<6>[   54.008316] lkdtm: Good: zero detected

 5702 00:28:41.197797  ERSPACE.cold+0x41/0xa3

 5703 00:28:41.206792  # [   44.386539] Code: 00 00 00 75 64 48<6>[   54.019005] lkdtm: Correctly stayed at zero

 5704 00:28:41.220380   83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d0 39 f8 89 e8 25 <6>[   54.030183] lkdtm: attempting bad refcount_add() from zero

 5705 00:28:41.223622  <4>[   54.042816] ------------[ cut here ]------------

 5706 00:28:41.230673  <4>[   54.048264] refcount_t: addition on 0; use-after-free.

 5707 00:28:41.240336  <4>[   54.054324] WARNING: CPU: 3 PID: 2318 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 5708 00:28:41.299140  d8 fb ff 48 c7 c7 f8 39 f8 89 b8 de c0 de c0 <48> 03 45 00 48 89<4>[   54.064046] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5709 00:28:41.309349  <4>[   54.123027] CPU: 3 PID: 2318 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5710 00:28:41.312403   04 24 e8 0c d8 fb ff 48 89 ee 48 c7 c7 20 3a f8

 5711 00:28:41.322084  # [   44.40780<4>[   54.131983] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5712 00:28:41.329198  <4>[   54.145290] RIP: 0010:refcount_warn_saturate+0x74/0x110

 5713 00:28:41.348593  <4>[   54.151418] Code: 02 01 e8 79 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed 89 c6 05 75 fb 16 02 01 e8 56 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed

 5714 00:28:41.355057  <4>[   54.172697] RSP: 0018:ffffa86a82dffe48 EFLAGS: 00010286

 5715 00:28:41.365104  <4>[   54.178825] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 5716 00:28:41.371567  <4>[   54.187088] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 5717 00:28:41.381694  <4>[   54.195352] RBP: ffffffff89f82b5b R08: 0000000000000000 R09: 0000000000000000

 5718 00:28:41.388188  <4>[   54.203615] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5719 00:28:41.398478  <4>[   54.211877] R13: ffffa86a82dfff10 R14: ffffa86a82dfff10 R15: ffff9023431eb000

 5720 00:28:41.404684  <4>[   54.220142] FS:  00007fe0ba572580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 5721 00:28:41.411738  <4>[   54.229491] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5722 00:28:41.417950  6] RSP: 0018:ffffa86a825d7e48 EFLAGS: 00010246

 5723 00:28:41.427790  # [   44.413928]<4>[   54.236201] CR2: 00007fe0ba37c000 CR3: 0000000104790002 CR4: 00000000003706e0

 5724 00:28:41.431852  <4>[   54.250675] Call Trace:

 5725 00:28:41.434815  <4>[   54.253699]  ? __warn+0x80/0x110

 5726 00:28:41.440986  <4>[   54.257624]  ? refcount_warn_saturate+0x74/0x110

 5727 00:28:41.444265  <4>[   54.263072]  ? report_bug+0x9e/0xc0

 5728 00:28:41.448207  <4>[   54.267260]  ? handle_bug+0x41/0x90

 5729 00:28:41.457405   RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 00000000000000<4>[   54.271492]  ? exc_invalid_op+0x14/0x70

 5730 00:28:41.463572  <4>[   54.282283]  ? asm_exc_invalid_op+0x12/0x20

 5731 00:28:41.463681  00

 5732 00:28:41.473886  # [   44.422189] RDX: 0000000000000000 RSI: ffff9023bad9bf50<4>[   54.287253]  ? refcount_warn_saturate+0x74/0x110

 5733 00:28:41.476861   RDI: ffffffff89f839f8

 5734 00:28:41.486981  # [   44.430449] RBP: 00007f687b896000 R<4>[   54.298913]  ? refcount_warn_saturate+0x74/0x110

 5735 00:28:41.493317  <4>[   54.310577]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 5736 00:28:41.496826  <4>[   54.315855]  direct_entry.cold+0x2c/0x38

 5737 00:28:41.499942  <4>[   54.320544]  full_proxy_write+0x53/0x80

 5738 00:28:41.506882  <4>[   54.325144]  vfs_write+0xe7/0x3b0

 5739 00:28:41.509849  <4>[   54.329138]  ksys_write+0x68/0xf0

 5740 00:28:41.512891  <4>[   54.333129]  do_syscall_64+0x30/0x40

 5741 00:28:41.519609  <4>[   54.337412]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5742 00:28:41.523158  <4>[   54.343347] RIP: 0033:0x7fe0ba488473

 5743 00:28:41.546907  <4>[   54.347628] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5744 00:28:41.552806  <4>[   54.368907] RSP: 002b:00007ffef4f83638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5745 00:28:41.563189  <4>[   54.377657] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe0ba488473

 5746 00:28:41.570248  <4>[   54.385919] RDX: 0000000000000012 RSI: 00007fe0ba37c000 RDI: 0000000000000001

 5747 00:28:41.579798  <4>[   54.394185] RBP: 00007fe0ba37c000 R08: 00007fe0ba37b010 R09: 0000000000000000

 5748 00:28:41.586711  <4>[   54.402448] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5749 00:28:41.596567  <4>[   54.410711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5750 00:28:41.599284  <4>[   54.418980] irq event stamp: 0

 5751 00:28:41.606064  <4>[   54.422710] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5752 00:28:41.615456  <4>[   54.430004] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5753 00:28:41.625598  <4>[   54.439432] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5754 00:28:41.632375  <4>[   54.448860] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5755 00:28:41.638951  <4>[   54.456152] ---[ end trace 74b841559c2f9318 ]---

 5756 00:28:41.641783  <6>[   54.461590] lkdtm: Zero detected: saturated

 5757 00:28:41.648327  08: 0000000000000000 R09: 0000000000000000

 5758 00:28:41.655055  # [   44.438710] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011

 5759 00:28:41.664833  # [   44.446970] R13: ffffa86a825d7f10 R14: ffffa86a825d7f10 R15: ffff902343ba4000

 5760 00:28:41.672016  # [   44.455230] FS:  00007f687b867580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 5761 00:28:41.677916  # [   44.464560] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5762 00:28:41.687762  # [   44.471265] CR2: 00007f687b896000 CR3: 0000000105802001 CR4: 00000000003706e0

 5763 00:28:41.691831  # [   44.479534] Call Trace:

 5764 00:28:41.694640  # [   44.482555]  ? __die_body.cold+0x1a/0x1f

 5765 00:28:41.698262  # [   44.487225]  ? no_context+0x177/0x380

 5766 00:28:41.704659  # [   44.491594]  ? exc_page_fault+0x53/0x170

 5767 00:28:41.708139  # [   44.496263]  ? asm_exc_page_fault+0x1e/0x30

 5768 00:28:41.714565  # [   44.501224]  ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 5769 00:28:41.721536  # [   44.507056]  ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3

 5770 00:28:41.724239  # [   44.512889]  direct_entry.cold+0x2c/0x38

 5771 00:28:41.727917  # [   44.517560]  full_proxy_write+0x53/0x80

 5772 00:28:41.734478  # [   44.522132]  vfs_write+0xe7/0x3b0

 5773 00:28:41.737581  # [   44.526120]  ksys_write+0x68/0xf0

 5774 00:28:41.740721  # [   44.530110]  do_syscall_64+0x30/0x40

 5775 00:28:41.747492  # [   44.534391]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5776 00:28:41.750756  # [   44.540312] RIP: 0033:0x7f687b77d473

 5777 00:28:41.774247  # [   44.544592] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5778 00:28:41.780546  # [   44.565867] RSP: 002b:00007ffcc0cf1ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5779 00:28:41.790064  # [   44.574604] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f687b77d473

 5780 00:28:41.797039  # [   44.582865] RDX: 0000000000000011 RSI: 00007f687b671000 RDI: 0000000000000001

 5781 00:28:41.807018  # [   44.591126] RBP: 00007f687b671000 R08: 00007f687b670010 R09: 0000000000000000

 5782 00:28:41.816559  # [   44.599387] R10: fffffffffffffbc5 R11: 00000000000<6>[   54.634307] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 5783 00:28:41.820186  00246 R12: 0000000000000001

 5784 00:28:41.829923  # [   44.607647] R13: 0000000000000<6>[   54.641500] lkdtm: attempting bad refcount_inc() from saturated

 5785 00:28:41.836560  001 R14: 0000000000020000 R15: 0000000000020000

 5786 00:28:41.843383  # [   44.615911<4>[   54.654639] ------------[ cut here ]------------

 5787 00:28:41.850562  <4>[   54.666280] refcount_t: saturated; leaking memory.

 5788 00:28:41.863108  ] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_se<4>[   54.671954] WARNING: CPU: 1 PID: 2354 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5789 00:28:41.922714  nsors cros_ec_sensors_core industrialio_triggered_buffer kfifo_b<4>[   54.687857] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5790 00:28:41.939126  uf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cr<4>[   54.746816] CPU: 1 PID: 2354 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5791 00:28:41.952437  os_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_<4>[   54.761974] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5792 00:28:41.965811  ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger<4>[   54.775291] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5793 00:28:41.992016   snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_ther<4>[   54.787633] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 ed 89 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed

 5794 00:28:42.004748  mal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2<4>[   54.815128] RSP: 0018:ffffa86a82e97e48 EFLAGS: 00010286

 5795 00:28:42.018780  c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore c<4>[   54.827492] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 5796 00:28:42.028226  <4>[   54.841971] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50

 5797 00:28:42.028775  oreboot_table

 5798 00:28:42.031222  # [   44.674907] CR2: 00007f687b896000

 5799 00:28:42.041526  # [   44.<4>[   54.850236] RBP: ffffffff89f82b6d R08: 0000000000000000 R09: 0000000000000000

 5800 00:28:42.044224  678895] ---[ end trace 74b841559c2f930a ]---

 5801 00:28:42.054396  # [   44.684340] R<4>[   54.864712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5802 00:28:42.057606  IP: 0010:lkdtm_BUG+0x5/0x10

 5803 00:28:42.070875  # [   44.689009] Code: 89 ff e8 be <4>[   54.879191] R13: ffffa86a82e97f10 R14: ffffa86a82e97f10 R15: ffff902344400000

 5804 00:28:42.087544  d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc c<4>[   54.893673] FS:  00007f131482c580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 5805 00:28:42.093851  <4>[   54.909221] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5806 00:28:42.107256  c cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f <4>[   54.915932] CR2: 00007f1314636000 CR3: 0000000104634005 CR4: 00000000003706e0

 5807 00:28:42.113432  1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 5808 00:28:42.116638  # [   44.<4>[   54.930410] Call Trace:

 5809 00:28:42.120293  710284] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 5810 00:28:42.127066  # [   44.71<4>[   54.939669]  ? __warn+0x80/0x110

 5811 00:28:42.136566  6410] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 000000000<4>[   54.949781]  ? refcount_warn_saturate+0x51/0x110

 5812 00:28:42.143801  <4>[   54.961421]  ? report_bug+0x9e/0xc0

 5813 00:28:42.144375  0000000

 5814 00:28:42.153714  # [   44.724672] RDX: 0000000000000000 RSI: ffff9023bad<4>[   54.965635]  ? handle_bug+0x41/0x90

 5815 00:28:42.156515  9bf50 RDI: ffffffff89af84b0

 5816 00:28:42.162763  # [   44.732933] RBP: ffffffff89fe8<4>[   54.976026]  ? exc_invalid_op+0x14/0x70

 5817 00:28:42.169249  c28 R08: 0000000000000001 R09: 0000000000000001

 5818 00:28:42.173101  # [   44.741195<4>[   54.986842]  ? asm_exc_invalid_op+0x12/0x20

 5819 00:28:42.185772  ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000<4>[   54.998025]  ? refcount_warn_saturate+0x51/0x110

 5820 00:28:42.186106  004

 5821 00:28:42.199397  # [   44.749455] R13: ffffa86a8134ff10 R14: ffffa86a8134ff1<4>[   55.009659]  ? refcount_warn_saturate+0x51/0x110

 5822 00:28:42.199834  0 R15: ffff902343e7b000

 5823 00:28:42.209524  # [   44.757717] FS:  00007f687b867580(<4>[   55.021321]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 5824 00:28:42.215741  <4>[   55.033275]  direct_entry.cold+0x2c/0x38

 5825 00:28:42.219290  0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 5826 00:28:42.225673  # [   44<4>[   55.037971]  full_proxy_write+0x53/0x80

 5827 00:28:42.232283  .767046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5828 00:28:42.235924  # [ <4>[   55.048754]  vfs_write+0xe7/0x3b0

 5829 00:28:42.238720  <4>[   55.058958]  ksys_write+0x68/0xf0

 5830 00:28:42.248780    44.773751] CR2: 00007f687b896000 CR3: 0000000105802001 CR4: 00<4>[   55.062974]  do_syscall_64+0x30/0x40

 5831 00:28:42.251898  000000003706e0

 5832 00:28:42.255304  # ACCESS_USERSPACE: saw 'call trace:': ok

 5833 00:28:42.262110  ok 37<4>[   55.073465]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5834 00:28:42.265154   selftests: lkdtm: ACCESS_USERSPACE.sh

 5835 00:28:42.271531  # selftests: lkdtm: ACCE<4>[   55.085613] RIP: 0033:0x7f1314742473

 5836 00:28:42.294663  <4>[   55.096110] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5837 00:28:42.295020  SS_NULL.sh

 5838 00:28:42.304918  <4>[   55.117387] RSP: 002b:00007fff6b590ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5839 00:28:42.311428  <4>[   55.127296] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1314742473

 5840 00:28:42.321097  # Killed<4>[   55.135560] RDX: 0000000000000017 RSI: 00007f1314636000 RDI: 0000000000000001

 5841 00:28:42.327799  <4>[   55.144595] RBP: 00007f1314636000 R08: 00007f1314635010 R09: 0000000000000000

 5842 00:28:42.337852  <4>[   55.152859] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5843 00:28:42.338278  

 5844 00:28:42.344632  # [   44.924520] lkdtm: Performing direct entry ACCESS_NULL

 5845 00:28:42.350896  #<4>[   55.161124] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5846 00:28:42.362014   [   44.931154] lkdtm: attempting bad read at 0000000000000000<4>[   55.175600] irq event stamp: 0

 5847 00:28:42.362543  

 5848 00:28:42.374502  # [   44.937585] BUG: kernel NULL pointer dereference, address<4>[   55.185344] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5849 00:28:42.377694  : 0000000000000000

 5850 00:28:42.390969  # [   44.945658] #PF: supervisor read access<4>[   55.198851] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5851 00:28:42.400955  <4>[   55.214497] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5852 00:28:42.407388  <4>[   55.223927] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5853 00:28:42.413818  <4>[   55.231222] ---[ end trace 74b841559c2f9319 ]---

 5854 00:28:42.420462  <6>[   55.236671] lkdtm: Saturation detected: still saturated

 5855 00:28:42.421005   in kernel mode

 5856 00:28:42.426566  # [   44.951688] #PF: error_code(0x0000) - not-present page

 5857 00:28:42.430590  # [   44.957708] PGD 0 P4D 0 

 5858 00:28:42.433894  # [   44.960826] Oops: 0000 [#13] SMP PTI

 5859 00:28:42.443563  # [   44.965099] CPU: 3 PID: 1868 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5860 00:28:42.449977  # [   44.974041] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5861 00:28:42.456526  # [   44.981142] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 5862 00:28:42.476650  # [   44.992902] Code: c9 d7 fb ff be 00 10 00 00 48 89 ef e8 f8 6c 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d0 39 f8 89 e8 a3 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f8 39 f8 89 48 01

 5863 00:28:42.483091  # [   45.014179] RSP: 0018:ffffa86a82677e58 EFLAGS: 00010246

 5864 00:28:42.489901  # [   45.020297] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 5865 00:28:42.499670  # [   45.028549] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 5866 00:28:42.506040  # [   45.036810] RBP: ffffffff89f82ac1 R08: 0000000000000000 R09: 0000000000000000

 5867 00:28:42.516050  # [   45.045071] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 5868 00:28:42.522259  # [   45.053332] R13: ffffa86a82677f10 R14: ffffa86a82677f10 R15: ffff902343b67000

 5869 00:28:42.532277  # [   45.061593] FS:  00007f1831aa0580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 5870 00:28:42.538833  # [   45.070922] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5871 00:28:42.545593  # [   45.077630] CR2: 0000000000000000 CR3: 00000001047ee005 CR4: 00000000003706e0

 5872 00:28:42.549005  # [   45.085892] Call Trace:

 5873 00:28:42.555631  # [   45.088914]  ? __die_body.cold+0x1a/0x1f

 5874 00:28:42.558922  # [   45.093584]  ? no_context+0x177/0x380

 5875 00:28:42.562177  # [   45.097965]  ? exc_page_fault+0x53/0x170

 5876 00:28:42.568538  # [   45.102633]  ? asm_exc_page_fault+0x1e/0x30

 5877 00:28:42.572351  # [   45.107595]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5878 00:28:42.579006  # [   45.112458]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5879 00:28:42.588597  # [   45.117345]  direct_entry<6>[   55.402150] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 5880 00:28:42.595978  <6>[   55.411788] lkdtm: attempting bad refcount_dec() from saturated

 5881 00:28:42.596549  .cold+0x2c/0x38

 5882 00:28:42.602155  # [   45.122015]  full_proxy_write+0x53/0x80

 5883 00:28:42.608341  #<4>[   55.418703] ------------[ cut here ]------------

 5884 00:28:42.611494  <4>[   55.430361] refcount_t: decrement hit 0; leaking memory.

 5885 00:28:42.622564  <4>[   55.436614] WARNING: CPU: 3 PID: 2390 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5886 00:28:42.628359   [   45.126588]  vfs_write+0xe7/0x3b0

 5887 00:28:42.680870  # [   45.130577]  ksys_wr<4>[   55.446339] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5888 00:28:42.690040  <4>[   55.505292] CPU: 3 PID: 2390 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5889 00:28:42.690125  ite+0x68/0xf0

 5890 00:28:42.696814  # [   45.134557]  do_syscall_64+0x30/0x40

 5891 00:28:42.704078  # [   <4>[   55.514268] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5892 00:28:42.711011  <4>[   55.527586] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5893 00:28:42.714024  45.138830]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5894 00:28:42.737092  # [   45.1<4>[   55.533741] Code: 98 d7 ed 89 c6 05 05 fb 16 02 01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ed 89 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5895 00:28:42.743997  <4>[   55.561230] RSP: 0018:ffffa86a82f27e48 EFLAGS: 00010286

 5896 00:28:42.753167  <4>[   55.567407] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 5897 00:28:42.757312  44761] RIP: 0033:0x7f18319b6473

 5898 00:28:42.766705  # [   45.149039] Code: 8b 15 21<4>[   55.575684] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 5899 00:28:42.773099  <4>[   55.590153] RBP: ffffffff89f82b84 R08: 0000000000000000 R09: 0000000000000000

 5900 00:28:42.783119  <4>[   55.598419] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5901 00:28:42.790390  <4>[   55.606683] R13: ffffa86a82f27f10 R14: ffffa86a82f27f10 R15: ffff902341263000

 5902 00:28:42.800114  <4>[   55.614948] FS:  00007f9674b4e580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 5903 00:28:42.806717  <4>[   55.624281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5904 00:28:42.816534  <4>[   55.630991] CR2: 00007f9674958000 CR3: 0000000104630002 CR4: 00000000003706e0

 5905 00:28:42.819794  <4>[   55.639254] Call Trace:

 5906 00:28:42.823222  <4>[   55.642279]  ? __warn+0x80/0x110

 5907 00:28:42.835735   2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 <4>[   55.646199]  ? refcount_warn_saturate+0xfb/0x110

 5908 00:28:42.839788  <4>[   55.657858]  ? report_bug+0x9e/0xc0

 5909 00:28:42.843020  <4>[   55.662071]  ? handle_bug+0x41/0x90

 5910 00:28:42.846013  <4>[   55.666287]  ? exc_invalid_op+0x14/0x70

 5911 00:28:42.852766  <4>[   55.670887]  ? asm_exc_invalid_op+0x12/0x20

 5912 00:28:42.858920  <4>[   55.675894]  ? refcount_warn_saturate+0xfb/0x110

 5913 00:28:42.869268  8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00<4>[   55.681351]  ? refcount_warn_saturate+0xfb/0x110

 5914 00:28:42.875570  <4>[   55.693010]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 5915 00:28:42.878875  <4>[   55.698751]  direct_entry.cold+0x2c/0x38

 5916 00:28:42.886160  <4>[   55.703425]  full_proxy_write+0x53/0x80

 5917 00:28:42.889150  <4>[   55.708033]  vfs_write+0xe7/0x3b0

 5918 00:28:42.892207  <4>[   55.712056]  ksys_write+0x68/0xf0

 5919 00:28:42.898458  <4>[   55.716073]  do_syscall_64+0x30/0x40

 5920 00:28:42.901707  <4>[   55.720381]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5921 00:28:42.908195  <4>[   55.726317] RIP: 0033:0x7f9674a64473

 5922 00:28:42.928320  <4>[   55.730623] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5923 00:28:42.938132  <4>[   55.751902] RSP: 002b:00007fff64c76718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5924 00:28:42.944407  <4>[   55.760654] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9674a64473

 5925 00:28:42.955108  <4>[   55.768919] RDX: 0000000000000017 RSI: 00007f9674958000 RDI: 0000000000000001

 5926 00:28:42.960411  <4>[   55.777182] RBP: 00007f9674958000 R08: 00007f9674957010 R09: 0000000000000000

 5927 00:28:42.966939   f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5928 00:28:42.976873  # [  <4>[   55.785447] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5929 00:28:42.991079   45.170315] RSP: 002b:00007ffc42ec80a8 EFLAGS: 00000246 ORIG_RAX<4>[   55.799929] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5930 00:28:42.994175  <4>[   55.814431] irq event stamp: 0

 5931 00:28:42.997649  : 0000000000000001

 5932 00:28:43.007378  # [   45.179063] RAX: ffffffffffffffda RBX: <4>[   55.818139] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5933 00:28:43.017083  <4>[   55.831644] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5934 00:28:43.027252  <4>[   55.841075] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5935 00:28:43.033527  <4>[   55.850507] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5936 00:28:43.040253  <4>[   55.857800] ---[ end trace 74b841559c2f931a ]---

 5937 00:28:43.046451  <6>[   55.863247] lkdtm: Saturation detected: still saturated

 5938 00:28:43.049936  000000000000000c RCX: 00007f18319b6473

 5939 00:28:43.056073  # [   45.187325] RDX: 000000000000000c RSI: 00007f18318aa000 RDI: 0000000000000001

 5940 00:28:43.066409  # [   45.195586] RBP: 00007f18318aa000 R08: 00007f18318a9010 R09: 0000000000000000

 5941 00:28:43.073335  # [   45.203847] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5942 00:28:43.082462  # [   45.212108] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5943 00:28:43.135581  # [   45.220372] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5944 00:28:43.139068  # [   45.279369] CR2: 0000000000000000

 5945 00:28:43.146032  # [   45.283358] ---[ end trace 74b841559c2f930b ]---

 5946 00:28:43.149127  # [   45.288803] RIP: 0010:lkdtm_BUG+0x5/0x10

 5947 00:28:43.171990  # [   45.293492] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 5948 00:28:43.178985  # [   45.314768] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 5949 00:28:43.188863  # [   45.320893] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 5950 00:28:43.195166  # [   45.329154] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 5951 00:28:43.204551  # [   45.337416] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 5952 00:28:43.211763  # [   45.345677] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5953 00:28:43.221353  # [   45.353938] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 5954 00:28:43.231595  # [   45.362200] FS:  00007f1831aa0580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 5955 00:28:43.237916  # [   45.371536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5956 00:28:43.244128  # [   45.378245] CR2: 0000000000000000 CR3: 00000001047ee005 CR4: 00000000003706e0

 5957 00:28:43.254328  # [   45.386507] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5958 00:28:43.264411  # [   45.396711] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1868, name: cat

 5959 00:28:43.267404  # [   45.405457] INFO: lockdep is turned off.

 5960 00:28:43.270584  # [   45.410123] irq event stamp: 0

 5961 00:28:43.277875  # [   45.413821] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5962 00:28:43.286801  # [   45.421104] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5963 00:28:43.296693  # [   45.430537] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 5964 00:28:43.303558  # [   45.439963] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5965 00:28:43.313398  # [   45.447253] CPU: 3 PID: 1868 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5966 00:28:43.320183  # [   45.456193] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5967 00:28:43.323826  # [   45.463288] Call Trace:

 5968 00:28:43.326445  # [   45.466306]  dump_stack+0x77/0x9b

 5969 00:28:43.334399  # [   45.470297]  ___might_sleep.cold+0xa6/0xb6

 5970 00:28:43.336626  # [   45.475161]  exit_signals+0x1c/0x300

 5971 00:28:43.340681  # [   45.479442]  do_exit+0xc2/0xab0

 5972 00:28:43.343633  # [   45.483237]  ? ksys_write+0x68/0xf0

 5973 00:28:43.346396  # [   45.487420]  make_task_dead+0x2f/0x30

 5974 00:28:43.353499  # [   45.491799]  rewind_stack_and_make_dead+0x17/0x20

 5975 00:28:43.356363  # [   45.497341] RIP: 0033:0x7f18319b6473

 5976 00:28:43.366268  # [   45.501619] Code: 8b 15<6>[   56.183105] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 5977 00:28:43.373039  <6>[   56.191080] lkdtm: attempting bad refcount_dec() from saturated

 5978 00:28:43.379512  <4>[   56.198002] ------------[ cut here ]------------

 5979 00:28:43.386414  <4>[   56.203459] refcount_t: saturated; leaking memory.

 5980 00:28:43.396067  <4>[   56.209111] WARNING: CPU: 2 PID: 2426 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5981 00:28:43.454972   21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 <4>[   56.218839] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 5982 00:28:43.461876  <4>[   56.277843] CPU: 2 PID: 2426 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 5983 00:28:43.471668  <4>[   56.286817] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5984 00:28:43.474712  <4>[   56.293915] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5985 00:28:43.498248  <4>[   56.300044] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 ed 89 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed

 5986 00:28:43.504190  <4>[   56.321321] RSP: 0018:ffffa86a82fb7e48 EFLAGS: 00010286

 5987 00:28:43.511575  <4>[   56.327447] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 5988 00:28:43.521614  <4>[   56.335709] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50

 5989 00:28:43.528540  <4>[   56.343972] RBP: ffffffff89f82b9b R08: 0000000000000000 R09: 0000000000000000

 5990 00:28:43.538295  <4>[   56.352233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5991 00:28:43.544417  <4>[   56.360492] R13: ffffa86a82fb7f10 R14: ffffa86a82fb7f10 R15: ffff9023440c6000

 5992 00:28:43.560829  64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d<4>[   56.368757] FS:  00007f0ba99e7580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 5993 00:28:43.567374  <4>[   56.384300] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5994 00:28:43.577129  <4>[   56.391007] CR2: 00007f0ba97f1000 CR3: 00000001028fc003 CR4: 00000000003706e0

 5995 00:28:43.577692  <4>[   56.399260] Call Trace:

 5996 00:28:43.584004  <4>[   56.402273]  ? __warn+0x80/0x110

 5997 00:28:43.587048  <4>[   56.406189]  ? refcount_warn_saturate+0x51/0x110

 5998 00:28:43.593821  <4>[   56.411639]  ? report_bug+0x9e/0xc0

 5999 00:28:43.597517  <4>[   56.415826]  ? handle_bug+0x41/0x90

 6000 00:28:43.600184  <4>[   56.420012]  ? exc_invalid_op+0x14/0x70

 6001 00:28:43.607321  <4>[   56.424585]  ? asm_exc_invalid_op+0x12/0x20

 6002 00:28:43.610185  <4>[   56.429549]  ? refcount_warn_saturate+0x51/0x110

 6003 00:28:43.616490  <4>[   56.435021]  ? refcount_warn_saturate+0x51/0x110

 6004 00:28:43.623330  <4>[   56.440491]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 6005 00:28:43.630191   00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6006 00:28:43.633273  # <4>[   56.446230]  direct_entry.cold+0x2c/0x38

 6007 00:28:43.640030  <4>[   56.457113]  full_proxy_write+0x53/0x80

 6008 00:28:43.649176  [   45.522893] RSP: 002b:00007ffc42ec80a8 EFLAGS: 00000246 ORIG_<4>[   56.461720]  vfs_write+0xe7/0x3b0

 6009 00:28:43.649261  RAX: 0000000000000001

 6010 00:28:43.659083  # [   45.531639] RAX: ffffffffffffffda RB<4>[   56.471921]  ksys_write+0x68/0xf0

 6011 00:28:43.662602  X: 000000000000000c RCX: 00007f18319b6473

 6012 00:28:43.669124  # [   45.539901] RDX:<4>[   56.482131]  do_syscall_64+0x30/0x40

 6013 00:28:43.675839  <4>[   56.492629]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6014 00:28:43.679342  <4>[   56.498594] RIP: 0033:0x7f0ba98fd473

 6015 00:28:43.699176  <4>[   56.502876] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6016 00:28:43.708697  <4>[   56.524153] RSP: 002b:00007ffc725d0648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6017 00:28:43.719038  <4>[   56.532929] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0ba98fd473

 6018 00:28:43.722325   000000000000000c RSI: 00007f18318aa000 RDI: 0000000000000001

 6019 00:28:43.732176  #<4>[   56.541196] RDX: 0000000000000017 RSI: 00007f0ba97f1000 RDI: 0000000000000001

 6020 00:28:43.738894  <4>[   56.555665] RBP: 00007f0ba97f1000 R08: 00007f0ba97f0010 R09: 0000000000000000

 6021 00:28:43.749067  <4>[   56.563927] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6022 00:28:43.758459  <4>[   56.572190] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6023 00:28:43.761671  <4>[   56.580476] irq event stamp: 0

 6024 00:28:43.775201   [   45.548160] RBP: 00007f18318aa000 R08: 00007f18318a9010 R09:<4>[   56.584183] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6025 00:28:43.784803  <4>[   56.597685] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6026 00:28:43.792042  <4>[   56.607116] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6027 00:28:43.801735  <4>[   56.616544] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6028 00:28:43.804642  <4>[   56.623836] ---[ end trace 74b841559c2f931b ]---

 6029 00:28:43.811293  <6>[   56.629284] lkdtm: Saturation detected: still saturated

 6030 00:28:43.814795   0000000000000000

 6031 00:28:43.821553  # [   45.556420] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6032 00:28:43.830933  # [   45.564681] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6033 00:28:43.834560  # ACCESS_NULL: saw 'call trace:': ok

 6034 00:28:43.837526  ok 38 selftests: lkdtm: ACCESS_NULL.sh

 6035 00:28:43.840864  # selftests: lkdtm: WRITE_RO.sh

 6036 00:28:43.841331  # Killed

 6037 00:28:43.848025  # [   45.713448] lkdtm: Performing direct entry WRITE_RO

 6038 00:28:43.854319  # [   45.721670] lkdtm: attempting bad rodata write at ffffffff89af8930

 6039 00:28:43.860969  # [   45.728900] BUG: unable to handle page fault for address: ffffffff89af8930

 6040 00:28:43.867384  # [   45.736900] #PF: supervisor write access in kernel mode

 6041 00:28:43.873823  # [   45.743027] #PF: error_code(0x0003) - permissions violation

 6042 00:28:43.883990  # [   45.749540] PGD 132629067 P4D 132629067 PUD 13262a063 PMD 8000000131e000e1 

 6043 00:28:43.886995  # [   45.757610] Oops: 0003 [#14] SMP PTI

 6044 00:28:43.897248  # [   45.768104] CPU: 3 PID: 1904 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6045 00:28:43.903816  # [   45.777045] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6046 00:28:43.907024  # [   45.784146] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 6047 00:28:43.930672  # [   45.789398] Code: 00 48 c7 c7 b0 38 f8 89 48 c7 c6 30 89 af 89 e8 4d da fb ff 48 8b 05 d2 92 a9 00 ba 34 12 cd ab 48 c7 c7 e0 38 f8 89 48 31 d0 <48> 89 05 bc 92 a9 00 e9 2b da fb ff 0f 1f 44 00 00 48 8b 05 cb bc

 6048 00:28:43.936957  # [   45.816885] RSP: 0018:ffffa86a8271fe60 EFLAGS: 00010202

 6049 00:28:43.943173  # [   45.823010] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 6050 00:28:43.949782  # [   45.831269] RDX: 00000000abcd1234 RSI: ffff9023bad9bf50 RDI: ffffffff89f838e0

 6051 00:28:43.959906  # [   45.839540] RBP: ffffffff89f82acd R08: 0000000000000000 R09: 0000000000000000

 6052 00:28:43.969898  # [   45.847801<6>[   56.780897] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 6053 00:28:43.982860  ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000<6>[   56.792643] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 6054 00:28:43.983304  009

 6055 00:28:43.996878  # [   45.856060] R13: ffffa86a8271ff10 R14: ffffa86a8271ff1<4>[   56.806663] ------------[ cut here ]------------

 6056 00:28:43.997361  0 R15: ffff90234391b000

 6057 00:28:44.005976  # [   45.864322] FS:  00007fb242633580(<4>[   56.818317] refcount_t: saturated; leaking memory.

 6058 00:28:44.012661  0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 6059 00:28:44.022170  # [   45<4>[   56.830177] WARNING: CPU: 0 PID: 2459 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6060 00:28:44.029070  .873649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6061 00:28:44.082091  # [ <4>[   56.846151] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6062 00:28:44.095232    45.880355] CR2: ffffffff89af8930 CR3: 0000000104630003 CR4: 00<4>[   56.905076] CPU: 0 PID: 2459 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6063 00:28:44.098547  000000003706e0

 6064 00:28:44.101671  # [   45.888617] Call Trace:

 6065 00:28:44.112226  # [   45.891638]  <4>[   56.920295] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6066 00:28:44.112793  ? __die_body.cold+0x1a/0x1f

 6067 00:28:44.121660  # [   45.896309]  ? no_context+0x17<4>[   56.933603] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6068 00:28:44.124656  7/0x380

 6069 00:28:44.128019  # [   45.900688]  ? exc_page_fault+0xd7/0x170

 6070 00:28:44.151408  # [   45<4>[   56.945934] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed 89 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed

 6071 00:28:44.155340  .905357]  ? asm_exc_page_fault+0x1e/0x30

 6072 00:28:44.161356  # [   45.910318]  ? lk<4>[   56.973446] RSP: 0018:ffffa86a82fc7e38 EFLAGS: 00010282

 6073 00:28:44.164603  dtm_WRITE_RO+0x2e/0x3a

 6074 00:28:44.177831  # [   45.914890]  direct_entry.cold+0x2c<4>[   56.985780] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6075 00:28:44.178385  /0x38

 6076 00:28:44.181125  # [   45.919552]  full_proxy_write+0x53/0x80

 6077 00:28:44.190777  # [   45.92<4>[   57.000238] RDX: ffff9023bac2c620 RSI: ffff9023bac1bf50 RDI: ffff9023bac1bf50

 6078 00:28:44.193894  4124]  vfs_write+0xe7/0x3b0

 6079 00:28:44.207716  # [   45.928114]  ksys_write+0x68/0<4>[   57.014740] RBP: ffffffff89f827c8 R08: 0000000000000000 R09: 0000000000000000

 6080 00:28:44.208267  xf0

 6081 00:28:44.210602  # [   45.932102]  do_syscall_64+0x30/0x40

 6082 00:28:44.220471  # [   45.936372]<4>[   57.029199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6083 00:28:44.223951    entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6084 00:28:44.233802  # [   45.942304] RIP<4>[   57.043706] R13: ffffa86a82fc7f10 R14: ffffa86a82fc7f10 R15: ffff902342952000

 6085 00:28:44.236830  : 0033:0x7fb242549473

 6086 00:28:44.249875  # [   45.946582] Code: 8b 15 21 2a 0e 00 <4>[   57.058186] FS:  00007fa7def1d580(0000) GS:ffff9023bac00000(0000) knlGS:0000000000000000

 6087 00:28:44.263417  f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 1<4>[   57.073736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6088 00:28:44.276360  8 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff <4>[   57.086644] CR2: 00007fa7ded27000 CR3: 000000010388c003 CR4: 00000000003706f0

 6089 00:28:44.283083  77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6090 00:28:44.286695  # [   45.967855<4>[   57.101198] Call Trace:

 6091 00:28:44.296500  ] RSP: 002b:00007ffdefd3b078 EFLAGS: 00000246 ORIG_RAX: 00000000<4>[   57.110363]  ? __warn+0x80/0x110

 6092 00:28:44.297027  00000001

 6093 00:28:44.309739  # [   45.976594] RAX: ffffffffffffffda RBX: 0000000000<4>[   57.120547]  ? refcount_warn_saturate+0x97/0x110

 6094 00:28:44.312853  000009 RCX: 00007fb242549473

 6095 00:28:44.319101  # [   45.984855] RDX: 000000000000<4>[   57.132186]  ? report_bug+0x9e/0xc0

 6096 00:28:44.322503  0009 RSI: 00007fb24243d000 RDI: 0000000000000001

 6097 00:28:44.329736  # [   45.99311<4>[   57.142589]  ? handle_bug+0x41/0x90

 6098 00:28:44.338853  6] RBP: 00007fb24243d000 R08: 00007fb24243c010 R09: 000000000000<4>[   57.152938]  ? exc_invalid_op+0x14/0x70

 6099 00:28:44.339421  0000

 6100 00:28:44.352731  # [   46.001378] R10: fffffffffffffbc5 R11: 00000000000002<4>[   57.163763]  ? asm_exc_invalid_op+0x12/0x20

 6101 00:28:44.353248  46 R12: 0000000000000001

 6102 00:28:44.362105  # [   46.009639] R13: 0000000000000001<4>[   57.174902]  ? refcount_warn_saturate+0x97/0x110

 6103 00:28:44.368531   R14: 0000000000020000 R15: 0000000000020000

 6104 00:28:44.375674  # [   46.017903] M<4>[   57.186562]  ? refcount_warn_saturate+0x97/0x110

 6105 00:28:44.388708  odules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_senso<4>[   57.198228]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6106 00:28:44.398832  rs cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf <4>[   57.210854]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 6107 00:28:44.412606  industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_<4>[   57.223710]  direct_entry.cold+0x2c/0x38

 6108 00:28:44.421604  ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_<4>[   57.234617]  full_proxy_write+0x53/0x80

 6109 00:28:44.431458  debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger sn<4>[   57.245404]  vfs_write+0xe7/0x3b0

 6110 00:28:44.441709  d_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal<4>[   57.255620]  ksys_write+0x68/0xf0

 6111 00:28:44.451857   cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_h<4>[   57.265850]  do_syscall_64+0x30/0x40

 6112 00:28:44.464965  id cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore core<4>[   57.276318]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6113 00:28:44.465755  boot_table

 6114 00:28:44.471478  # [   46.076895] CR2: ffffffff89af8930

 6115 00:28:44.474589  # [   46.080<4>[   57.288498] RIP: 0033:0x7fa7dee33473

 6116 00:28:44.481198  884] ---[ end trace 74b841559c2f930c ]---

 6117 00:28:44.504258  # [   46.086320] RIP:<4>[   57.298961] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6118 00:28:44.504868   0010:lkdtm_BUG+0x5/0x10

 6119 00:28:44.517561  # [   46.090988] Code: 89 ff e8 be d5 <4>[   57.326494] RSP: 002b:00007fffb1ff51d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6120 00:28:44.533753  79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc c<4>[   57.341418] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa7dee33473

 6121 00:28:44.547165  c cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f <4>[   57.355912] RDX: 0000000000000020 RSI: 00007fa7ded27000 RDI: 0000000000000001

 6122 00:28:44.550609  84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 6123 00:28:44.560210  # [   46.112<4>[   57.370378] RBP: 00007fa7ded27000 R08: 00007fa7ded26010 R09: 0000000000000000

 6124 00:28:44.567467  263] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 6125 00:28:44.576472  # [   46.11838<4>[   57.384897] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6126 00:28:44.590063  8] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 000000000000<4>[   57.399366] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6127 00:28:44.590639  0000

 6128 00:28:44.599886  # [   46.126649] RDX: 0000000000000000 RSI: ffff9023bad9bf<4>[   57.413889] irq event stamp: 0

 6129 00:28:44.603162  50 RDI: ffffffff89af84b0

 6130 00:28:44.613105  # [   46.134909] RBP: ffffffff89fe8c28<4>[   57.423788] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6131 00:28:44.619788   R08: 0000000000000001 R09: 0000000000000001

 6132 00:28:44.630111  # [   46.143169] R<4>[   57.437298] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6133 00:28:44.646151  10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004<4>[   57.452983] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6134 00:28:44.646725  

 6135 00:28:44.659035  # [   46.151430] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R<4>[   57.468618] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6136 00:28:44.659596  15: ffff902343e7b000

 6137 00:28:44.669642  # [   46.159690] FS:  00007fb242633580(000<4>[   57.482154] ---[ end trace 74b841559c2f931c ]---

 6138 00:28:44.675768  0) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 6139 00:28:44.682289  # [   46.16<6>[   57.493858] lkdtm: Saturation detected: still saturated

 6140 00:28:44.689119  9018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6141 00:28:44.695525  # [   46.175725] CR2: ffffffff89af8930 CR3: 0000000104630003 CR4: 00000000003706e0

 6142 00:28:44.699316  # WRITE_RO: saw 'call trace:': ok

 6143 00:28:44.702222  ok 39 selftests: lkdtm: WRITE_RO.sh

 6144 00:28:44.708816  # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 6145 00:28:44.709554  # Killed

 6146 00:28:44.715216  # [   46.319593] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 6147 00:28:44.722299  # [   46.327774] lkdtm: attempting bad ro_after_init write at ffffffff8a00b350

 6148 00:28:44.732007  # [   46.335686] BUG: unable to handle page fault for address: ffffffff8a00b350

 6149 00:28:44.738909  # [   46.343688] #PF: supervisor write access in kernel mode

 6150 00:28:44.741831  # [   46.349815] #PF: error_code(0x0003) - permissions violation

 6151 00:28:44.751745  # [   46.356330] PGD 132629067 P4D 132629067 PUD 13262a063 PMD 10005f063 PTE 800000013240b061

 6152 00:28:44.758570  # [   46.365666] Oops: 0003 [#15] SMP PTI

 6153 00:28:44.764542  # [   46.376160] CPU: 3 PID: 1940 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6154 00:28:44.771080  # [   46.385102] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6155 00:28:44.778517  # [   46.392199] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 6156 00:28:44.801061  # [   46.398519] Code: 39 f8 89 e9 ff d9 fb ff 48 c7 c7 38 39 f8 89 e8 f3 d9 fb ff 48 8b 05 98 bc fa 00 ba 34 12 cd ab 48 c7 c7 e0 38 f8 89 48 31 d0 <48> 89 05 82 bc fa 00 e9 d1 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 6157 00:28:44.807246  # [   46.419814] RSP: 0018:ffffa86a82797e60 EFLAGS: 00010202

 6158 00:28:44.814333  # [   46.425939] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 6159 00:28:44.824295  # [   46.434197] RDX: 00000000abcd1234 RSI: ffff9023bad9bf50 RDI: ffffffff89f838e0

 6160 00:28:44.831300  # [   46.442458] RBP: ffffffff89f82ad6 R08: 0000000000000000 R09: 0000000000000000

 6161 00:28:44.837209  # [   46.450718] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 6162 00:28:44.847105  # [   46.458977] R13: ffffa86a82797f10 R14: ffffa86a82797f10 R15: ffff902342950000

 6163 00:28:44.857001  # [   46.467239] FS:  00007fcedb0fc580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 6164 00:28:44.864581  # [   46.476568] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6165 00:28:44.869973  # [   46.483275] CR2: ffffffff8a00b350 CR3: 00000001047ee005 CR4: 00000000003706e0

 6166 00:28:44.873346  # [   46.491555] Call Trace:

 6167 00:28:44.880080  # [   46.494575]  ? __die_body.cold+0x1a/0x1f

 6168 00:28:44.890325  # [   46.499246]  ? no_context+0x1<6>[   57.699940] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 6169 00:28:44.890861  77/0x380

 6170 00:28:44.897032  # [   46.503624]  ? exc_page_fault+0xd7/0x170

 6171 00:28:44.903093  # [   4<6>[   57.713540] lkdtm: attempting bad refcount_add_not_zero() from saturated

 6172 00:28:44.906512  6.508292]  ? asm_exc_page_fault+0x1e/0x30

 6173 00:28:44.916246  # [   46.513253]  ? l<4>[   57.727575] ------------[ cut here ]------------

 6174 00:28:44.920134  kdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 6175 00:28:44.926584  # [   46.518891]  direct_ent<4>[   57.739247] refcount_t: saturated; leaking memory.

 6176 00:28:44.929813  ry.cold+0x2c/0x38

 6177 00:28:44.933277  # [   46.523560]  full_proxy_write+0x53/0x80

 6178 00:28:44.943680  <4>[   57.751146] WARNING: CPU: 0 PID: 2492 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6179 00:28:44.944123  

 6180 00:28:44.946470  # [   46.528132]  vfs_write+0xe7/0x3b0

 6181 00:28:45.002283  # [   46.532122]  ksys_<4>[   57.767070] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6182 00:28:45.005808  write+0x68/0xf0

 6183 00:28:45.009054  # [   46.536102]  do_syscall_64+0x30/0x40

 6184 00:28:45.018700  # [ <4>[   57.826051] CPU: 0 PID: 2492 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6185 00:28:45.022138    46.540383]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6186 00:28:45.031716  # [   46<4>[   57.841229] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6187 00:28:45.035369  .546315] RIP: 0033:0x7fcedb012473

 6188 00:28:45.041879  # [   46.550594] Code: 8b 15 <4>[   57.854581] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6189 00:28:45.071475  21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 6<4>[   57.866896] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed 89 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed

 6190 00:28:45.084866  4 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d <4>[   57.894434] RSP: 0018:ffffa86a830d7e38 EFLAGS: 00010282

 6191 00:28:45.087870  00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6192 00:28:45.097538  # [<4>[   57.906777] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6193 00:28:45.110870     46.571867] RSP: 002b:00007ffe0c1711a8 EFLAGS: 00000246 ORIG_R<4>[   57.921249] RDX: ffff9023bac2c620 RSI: ffff9023bac1bf50 RDI: ffff9023bac1bf50

 6194 00:28:45.113992  AX: 0000000000000001

 6195 00:28:45.127488  # [   46.580614] RAX: ffffffffffffffda RBX<4>[   57.935723] RBP: ffffffff89f827e8 R08: 0000000000000000 R09: 0000000000000000

 6196 00:28:45.130850  : 0000000000000014 RCX: 00007fcedb012473

 6197 00:28:45.140953  # [   46.588874] RDX: <4>[   57.950218] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6198 00:28:45.147199  0000000000000014 RSI: 00007fcedaf06000 RDI: 0000000000000001

 6199 00:28:45.157105  # <4>[   57.964679] R13: ffffa86a830d7f10 R14: ffffa86a830d7f10 R15: ffff90234622e000

 6200 00:28:45.171028  [   46.597134] RBP: 00007fcedaf06000 R08: 00007fcedaf05010 R09: <4>[   57.979167] FS:  00007fb39be1b580(0000) GS:ffff9023bac00000(0000) knlGS:0000000000000000

 6201 00:28:45.173821  0000000000000000

 6202 00:28:45.183354  # [   46.605395] R10: fffffffffffffbc5 R11: 00<4>[   57.994703] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6203 00:28:45.186819  00000000000246 R12: 0000000000000001

 6204 00:28:45.200462  # [   46.613654] R13: 0000<4>[   58.007643] CR2: 00007fb39bc25000 CR3: 0000000105ad6001 CR4: 00000000003706f0

 6205 00:28:45.203278  000000000001 R14: 0000000000020000 R15: 0000000000020000

 6206 00:28:45.206296  # [   <4>[   58.022115] Call Trace:

 6207 00:28:45.216955  46.621919] Modules linked in: fuse ip_tables cros_ec_lid_angle c<4>[   58.031357]  ? __warn+0x80/0x110

 6208 00:28:45.229844  ros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffe<4>[   58.041463]  ? refcount_warn_saturate+0x97/0x110

 6209 00:28:45.239615  r kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_li<4>[   58.053156]  ? report_bug+0x9e/0xc0

 6210 00:28:45.249485  ghtbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmal<4>[   58.063551]  ? handle_bug+0x41/0x90

 6211 00:28:45.262837  loc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbp<4>[   58.073929]  ? exc_invalid_op+0x14/0x70

 6212 00:28:45.272906  d_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_<4>[   58.084712]  ? asm_exc_invalid_op+0x12/0x20

 6213 00:28:45.282802  temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regm<4>[   58.095925]  ? refcount_warn_saturate+0x97/0x110

 6214 00:28:45.295876  ap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos<4>[   58.107565]  ? refcount_warn_saturate+0x97/0x110

 6215 00:28:45.299475  _pstore coreboot_table

 6216 00:28:45.302280  # [   46.674693] CR2: ffffffff8a00b350

 6217 00:28:45.308598  <4>[   58.119246]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6218 00:28:45.312271  # [   46.684894] ---[ end trace 74b841559c2f930d ]---

 6219 00:28:45.321909  # [   46.<4>[   58.131863]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 6220 00:28:45.325680  690340] RIP: 0010:lkdtm_BUG+0x5/0x10

 6221 00:28:45.331946  # [   46.695009] Code: 89 <4>[   58.144689]  direct_entry.cold+0x2c/0x38

 6222 00:28:45.341641  ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff f<4>[   58.155573]  full_proxy_write+0x53/0x80

 6223 00:28:45.351928  f c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> <4>[   58.166379]  vfs_write+0xe7/0x3b0

 6224 00:28:45.358695  0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 6225 00:28:45.365031  <4>[   58.176579]  ksys_write+0x68/0xf0

 6226 00:28:45.368265  # [   46.716284] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 6227 00:28:45.374415  # <4>[   58.186771]  do_syscall_64+0x30/0x40

 6228 00:28:45.384745  [   46.722399] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: <4>[   58.197292]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6229 00:28:45.387587  0000000000000000

 6230 00:28:45.398289  # [   46.730658] RDX: 0000000000000000 RSI: ff<4>[   58.209458] RIP: 0033:0x7fb39bd31473

 6231 00:28:45.401500  ff9023bad9bf50 RDI: ffffffff89af84b0

 6232 00:28:45.424034  # [   46.738917] RBP: ffff<4>[   58.219914] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6233 00:28:45.430753  ffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 6234 00:28:45.437251  # [   <4>[   58.247452] RSP: 002b:00007fff71302758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6235 00:28:45.453788  46.747177] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000<4>[   58.262441] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb39bd31473

 6236 00:28:45.454375  000000000004

 6237 00:28:45.467038  # [   46.755438] R13: ffffa86a8134ff10 R14: ffffa8<4>[   58.276943] RDX: 0000000000000020 RSI: 00007fb39bc25000 RDI: 0000000000000001

 6238 00:28:45.470539  6a8134ff10 R15: ffff902343e7b000

 6239 00:28:45.483737  # [   46.763699] FS:  00007fce<4>[   58.291411] RBP: 00007fb39bc25000 R08: 00007fb39bc24010 R09: 0000000000000000

 6240 00:28:45.489763  db0fc580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 6241 00:28:45.496630  <4>[   58.305929] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6242 00:28:45.497102  

 6243 00:28:45.509477  # [   46.773029] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050<4>[   58.320398] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6244 00:28:45.513208  033

 6245 00:28:45.523183  # [   46.779734] CR2: ffffffff8a00b350 CR3: 00000001047ee00<4>[   58.334895] irq event stamp: 0

 6246 00:28:45.523774  5 CR4: 00000000003706e0

 6247 00:28:45.535792  # [   46.787994] BUG: sleeping function<4>[   58.344813] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6248 00:28:45.542904   called from invalid context at include/linux/percpu-rwsem.h:49

 6249 00:28:45.549187  <4>[   58.358320] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6250 00:28:45.549662  

 6251 00:28:45.565739  # [   46.798197] in_atomic(): 0, irqs_disabled(): 1, non_block:<4>[   58.373968] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6252 00:28:45.568882   0, pid: 1940, name: cat

 6253 00:28:45.578775  # [   46.806944] INFO: lockdep is turn<4>[   58.389610] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6254 00:28:45.579341  ed off.

 6255 00:28:45.586046  # [   46.811610] irq event stamp: 0

 6256 00:28:45.592139  # [   46.815305] h<4>[   58.403122] ---[ end trace 74b841559c2f931d ]---

 6257 00:28:45.595794  ardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6258 00:28:45.602019  # [   46<6>[   58.414782] lkdtm: Saturation detected: still saturated

 6259 00:28:45.611993  .822595] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6260 00:28:45.621959  # [   46.832020] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6261 00:28:45.628465  # [   46.841447] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6262 00:28:45.638621  # [   46.848738] CPU: 3 PID: 1940 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6263 00:28:45.644648  # [   46.857678] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6264 00:28:45.648012  # [   46.864777] Call Trace:

 6265 00:28:45.651767  # [   46.867795]  dump_stack+0x77/0x9b

 6266 00:28:45.654622  # [   46.871785]  ___might_sleep.cold+0xa6/0xb6

 6267 00:28:45.661231  # [   46.876649]  exit_signals+0x1c/0x300

 6268 00:28:45.664785  # [   46.880929]  do_exit+0xc2/0xab0

 6269 00:28:45.668677  # [   46.884724]  ? ksys_write+0x68/0xf0

 6270 00:28:45.670989  # [   46.888907]  make_task_dead+0x2f/0x30

 6271 00:28:45.678157  # [   46.893284]  rewind_stack_and_make_dead+0x17/0x20

 6272 00:28:45.681803  # [   46.898817] RIP: 0033:0x7fcedb012473

 6273 00:28:45.704231  # [   46.903095] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6274 00:28:45.710988  # [   46.924367] RSP: 002b:00007ffe0c1711a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6275 00:28:45.720821  # [   46.933112] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fcedb012473

 6276 00:28:45.727496  # [   46.941373] RDX: 0000000000000014 RSI: 00007fcedaf06000 RDI: 0000000000000001

 6277 00:28:45.737149  # [   46.949633] RBP: 00007fcedaf06000 R08: 00007fcedaf05010 R09: 0000000000000000

 6278 00:28:45.743767  # [   46.957893] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6279 00:28:45.754217  # [   46.966152] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6280 00:28:45.757325  # WRITE_RO_AFTER_INIT: saw 'call trace:': ok

 6281 00:28:45.760770  ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 6282 00:28:45.764181  # selftests: lkdtm: WRITE_KERN.sh

 6283 00:28:45.767107  # Killed

 6284 00:28:45.770575  # [   47.157901] lkdtm: Performing direct entry WRITE_KERN

 6285 00:28:45.780270  # [   47.166870] lkdtm: attempting bad 7222472 byte write at ffffffff8905f5d8

 6286 00:28:45.786664  # [   47.174660] BUG: unable to handle page fault for address: ffffffff8905f5d8

 6287 00:28:45.793381  # [   47.182655] #PF: supervisor write access in kernel mode

 6288 00:28:45.803336  # [   47.194995] #PF: error_co<6>[   58.618303] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 6289 00:28:45.813614  <6>[   58.627740] lkdtm: attempting bad refcount_dec_and_test() from saturated

 6290 00:28:45.816577  <4>[   58.635530] ------------[ cut here ]------------

 6291 00:28:45.822938  <4>[   58.640985] refcount_t: underflow; use-after-free.

 6292 00:28:45.832931  <4>[   58.646656] WARNING: CPU: 2 PID: 2528 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6293 00:28:45.836030  de(0x0003) - permissions violation

 6294 00:28:45.891827  # [   47.201500] PGD 1326290<4>[   58.656383] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6295 00:28:45.902077  <4>[   58.715335] CPU: 2 PID: 2528 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6296 00:28:45.908939  <4>[   58.724279] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6297 00:28:45.915370  <4>[   58.731379] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6298 00:28:45.935323  <4>[   58.737509] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 89 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7

 6299 00:28:45.941570  <4>[   58.758788] RSP: 0018:ffffa86a8317fe40 EFLAGS: 00010286

 6300 00:28:45.948317  <4>[   58.764945] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 6301 00:28:45.957970  <4>[   58.773211] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50

 6302 00:28:45.968101  <4>[   58.781493] RBP: ffffffff89f82808 R08: 0000000000000000 R09: 0000000000000000

 6303 00:28:45.971836  67 P4D 132629067 PUD 13262a063 PMD 1314000e1 

 6304 00:28:45.981404  # [   47.208890] <4>[   58.789765] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6305 00:28:45.988014  <4>[   58.804240] R13: ffffa86a8317ff10 R14: ffffa86a8317ff10 R15: ffff902346037000

 6306 00:28:45.997459  <4>[   58.812506] FS:  00007f3e135ef580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 6307 00:28:46.004404  <4>[   58.821837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6308 00:28:46.014263  <4>[   58.828547] CR2: 00007f3e133f9000 CR3: 000000010389c002 CR4: 00000000003706e0

 6309 00:28:46.018007  <4>[   58.836813] Call Trace:

 6310 00:28:46.020586  <4>[   58.839837]  ? __warn+0x80/0x110

 6311 00:28:46.023955  Oops: 0003 [#16] SMP PTI

 6312 00:28:46.030404  # [   47.213171] CPU: 3 PID: 1976 Comm<4>[   58.843758]  ? refcount_warn_saturate+0xba/0x110

 6313 00:28:46.037505  <4>[   58.855416]  ? report_bug+0x9e/0xc0

 6314 00:28:46.040394  <4>[   58.859626]  ? handle_bug+0x41/0x90

 6315 00:28:46.043681  <4>[   58.863843]  ? exc_invalid_op+0x14/0x70

 6316 00:28:46.050040  <4>[   58.868418]  ? asm_exc_invalid_op+0x12/0x20

 6317 00:28:46.056980  <4>[   58.873402]  ? refcount_warn_saturate+0xba/0x110

 6318 00:28:46.059935  : cat Tainted: G      D W         5.10.204-cip41 #1

 6319 00:28:46.066734  # [   47.22<4>[   58.878861]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6320 00:28:46.073258  <4>[   58.891494]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 6321 00:28:46.079935  2104] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6322 00:28:46.086416  # [<4>[   58.898119]  direct_entry.cold+0x2c/0x38

 6323 00:28:46.090143     47.229204] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 6324 00:28:46.096184  # [   47.234<4>[   58.909000]  full_proxy_write+0x53/0x80

 6325 00:28:46.106191  647] Code: 53 48 c7 c3 d8 f5 05 89 49 89 dc 48 89 da 49 81 ec 10<4>[   58.919789]  vfs_write+0xe7/0x3b0

 6326 00:28:46.109457  <4>[   58.929997]  ksys_write+0x68/0xf0

 6327 00:28:46.116497  <4>[   58.934020]  do_syscall_64+0x30/0x40

 6328 00:28:46.119259  <4>[   58.938328]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6329 00:28:46.125993  <4>[   58.944292] RIP: 0033:0x7f3e13505473

 6330 00:28:46.145679  <4>[   58.948575] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6331 00:28:46.155856  <4>[   58.969879] RSP: 002b:00007ffd569719e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6332 00:28:46.169302   c1 97 88 4c 89 e6 e8 a6 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 10 <4>[   58.978647] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3e13505473

 6333 00:28:46.179581  <4>[   58.993113] RDX: 0000000000000020 RSI: 00007f3e133f9000 RDI: 0000000000000001

 6334 00:28:46.185519  <4>[   59.001380] RBP: 00007f3e133f9000 R08: 00007f3e133f8010 R09: 0000000000000000

 6335 00:28:46.195340  <4>[   59.009642] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6336 00:28:46.202319  <4>[   59.017907] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6337 00:28:46.205094  <4>[   59.026175] irq event stamp: 0

 6338 00:28:46.215251  <4>[   59.029907] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6339 00:28:46.221793  <4>[   59.037201] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6340 00:28:46.231415  <4>[   59.046632] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6341 00:28:46.241852  <4>[   59.056062] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6342 00:28:46.244470  <4>[   59.063355] ---[ end trace 74b841559c2f931e ]---

 6343 00:28:46.251393  <6>[   59.068803] lkdtm: Saturation detected: still saturated

 6344 00:28:46.257611  c1 97 88 <f3> a4 48 c7 c7 e0 38 f8 89 e8 8b d9 fb ff 5b 41 5c e9 b7 fe ff ff

 6345 00:28:46.264088  # [   47.255923] RSP: 0018:ffffa86a82827e50 EFLAGS: 00010246

 6346 00:28:46.274147  # [   47.262049] RAX: 000000000000003c RBX: ffffffff8905f5d8 RCX: 00000000006e34c8

 6347 00:28:46.281428  # [   47.270310] RDX: 0000000000000000 RSI: ffffffff8897c110 RDI: ffffffff8905f5d8

 6348 00:28:46.291297  # [   47.278573] RBP: ffffffff89f82aea R08: 0000000000000000 R09: 0000000000000000

 6349 00:28:46.297309  # [   47.286833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e34c8

 6350 00:28:46.307047  # [   47.295093] R13: ffffa86a82827f10 R14: ffffa86a82827f10 R15: ffff902343d6f000

 6351 00:28:46.313833  # [   47.303355] FS:  00007ff99f811580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 6352 00:28:46.320244  # [   47.312675] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6353 00:28:46.330584  # [   47.319381] CR2: ffffffff8905f5d8 CR3: 0000000106488001 CR4: 00000000003706e0

 6354 00:28:46.333746  # [   47.327642] Call Trace:

 6355 00:28:46.336660  # [   47.330663]  ? __die_body.cold+0x1a/0x1f

 6356 00:28:46.343373  # [   47.335332]  ? no_context+0x177/0x380

 6357 00:28:46.347501  # [   47.339711]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6358 00:28:46.353923  # [   47.345449]  ? exc_page_fault+0xd7/0x170

 6359 00:28:46.356812  # [   47.350117]  ? asm_exc_page_fault+0x1e/0x30

 6360 00:28:46.363555  # [   47.355077]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6361 00:28:46.370518  # [   47.360806]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 6362 00:28:46.373815  # [   47.365958]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6363 00:28:46.379951  # [   47.371694]  ? lkdtm_WRITE_KERN+0x38/0x4e

 6364 00:28:46.382963  # [   47.376450]  direct_entry.cold+0x2c/0x38

 6365 00:28:46.389332  # [   47.381122]  full_proxy_write+0x53/0x80

 6366 00:28:46.393105  # [   47.385695]  vfs_write+0xe7/0x3b0

 6367 00:28:46.396199  # [   47.389684]  ksys_write+0x68/0xf0

 6368 00:28:46.399540  # [   47.393664]  do_syscall_64+0x30/0x40

 6369 00:28:46.406104  # [   47.397936]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6370 00:28:46.409531  # [   47.403865] RIP: 0033:0x7ff99f727473

 6371 00:28:46.433056  # [   47.408143] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6372 00:28:46.439367  # [   47.429420] RSP: 002b:00007ffd72b4bb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6373 00:28:46.448690  # [   47.438167] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff99f727473

 6374 00:28:46.455755  # [   47.446428] RDX: 000000000000000b RSI: 00007ff99f61b000 RDI: 0000000000000001

 6375 00:28:46.465758  # [   47.454689] RBP: 00007ff99f61b000 R08: 00007ff99f61a010 R09: 0000000000000000

 6376 00:28:46.472628  # [   47.462950] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6377 00:28:46.482334  # [   47.471210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6378 00:28:46.521344  # [   47.479492] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc<6>[   59.333181] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 6379 00:28:46.531549  <6>[   59.345804] lkdtm: attempting bad refcount_sub_and_test() from saturated

 6380 00:28:46.534462  <4>[   59.353616] ------------[ cut here ]------------

 6381 00:28:46.547750  _core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros<4>[   59.359087] refcount_t: underflow; use-after-free.

 6382 00:28:46.564115  _ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cr<4>[   59.370957] WARNING: CPU: 3 PID: 2564 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6383 00:28:46.617704  <4>[   59.386876] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6384 00:28:46.630230  os_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_<4>[   59.439672] CPU: 3 PID: 2564 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6385 00:28:46.636946  <4>[   59.454821] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6386 00:28:46.644339  <4>[   59.461945] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6387 00:28:46.666555  <4>[   59.468074] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 89 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7

 6388 00:28:46.672850  <4>[   59.489351] RSP: 0018:ffffa86a831e7e40 EFLAGS: 00010286

 6389 00:28:46.673332  table

 6390 00:28:46.676615  # [   47.538450] CR2: ffffffff8905f5d8

 6391 00:28:46.686501  # [   47.542439] <4>[   59.495495] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 6392 00:28:46.696373  <4>[   59.509968] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 6393 00:28:46.702697  <4>[   59.518263] RBP: ffffffff89f82828 R08: 0000000000000000 R09: 0000000000000000

 6394 00:28:46.712698  <4>[   59.526539] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6395 00:28:46.719181  <4>[   59.534804] R13: ffffa86a831e7f10 R14: ffffa86a831e7f10 R15: ffff902345a17000

 6396 00:28:46.729334  <4>[   59.543071] FS:  00007f31b7370580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 6397 00:28:46.735772  <4>[   59.552404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6398 00:28:46.742572  <4>[   59.559114] CR2: 00007f31b717a000 CR3: 0000000105562006 CR4: 00000000003706e0

 6399 00:28:46.745504  <4>[   59.567379] Call Trace:

 6400 00:28:46.752316  <4>[   59.570403]  ? __warn+0x80/0x110

 6401 00:28:46.755480  <4>[   59.574330]  ? refcount_warn_saturate+0xba/0x110

 6402 00:28:46.762607  <4>[   59.579801]  ? report_bug+0x9e/0xc0

 6403 00:28:46.765174  <4>[   59.583991]  ? handle_bug+0x41/0x90

 6404 00:28:46.768260  <4>[   59.588206]  ? exc_invalid_op+0x14/0x70

 6405 00:28:46.775730  <4>[   59.592783]  ? asm_exc_invalid_op+0x12/0x20

 6406 00:28:46.778903  <4>[   59.597779]  ? refcount_warn_saturate+0xba/0x110

 6407 00:28:46.785045  <4>[   59.603262]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6408 00:28:46.791856  <4>[   59.609715]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 6409 00:28:46.798476  <4>[   59.616332]  direct_entry.cold+0x2c/0x38

 6410 00:28:46.801881  <4>[   59.621035]  full_proxy_write+0x53/0x80

 6411 00:28:46.804487  <4>[   59.625643]  vfs_write+0xe7/0x3b0

 6412 00:28:46.812204  <4>[   59.629666]  ksys_write+0x68/0xf0

 6413 00:28:46.814887  ---[ end trace 74b841559c2f930e ]---

 6414 00:28:46.821820  # [   47.547882] RIP: 0010<4>[   59.633661]  do_syscall_64+0x30/0x40

 6415 00:28:46.822291  :lkdtm_BUG+0x5/0x10

 6416 00:28:46.831040  # [   47.552549] Code: 89 ff e8 be d5 79 ff<4>[   59.644158]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6417 00:28:46.844834   48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc <4>[   59.656311] RIP: 0033:0x7f31b7286473

 6418 00:28:46.864608  <4>[   59.666807] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6419 00:28:46.874467  <4>[   59.688084] RSP: 002b:00007ffd66ca1838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6420 00:28:46.880536  <4>[   59.696835] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f31b7286473

 6421 00:28:46.890951  <4>[   59.705099] RDX: 0000000000000020 RSI: 00007f31b717a000 RDI: 0000000000000001

 6422 00:28:46.896838  <4>[   59.713362] RBP: 00007f31b717a000 R08: 00007f31b7179010 R09: 0000000000000000

 6423 00:28:46.907105  <4>[   59.721625] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6424 00:28:46.914571  <4>[   59.729888] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6425 00:28:46.917098  <4>[   59.738147] irq event stamp: 0

 6426 00:28:46.926422  <4>[   59.741875] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6427 00:28:46.936926  <4>[   59.749168] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6428 00:28:46.943038  <4>[   59.758598] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6429 00:28:46.953248  <4>[   59.768027] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6430 00:28:46.956305  <4>[   59.775318] ---[ end trace 74b841559c2f931f ]---

 6431 00:28:46.963092  <6>[   59.780765] lkdtm: Saturation detected: still saturated

 6432 00:28:46.973303  48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03

 6433 00:28:46.979390  # [   47.573824] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282

 6434 00:28:46.989299  # [   47.579949] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000

 6435 00:28:46.996917  # [   47.588210] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0

 6436 00:28:47.006597  # [   47.596488] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001

 6437 00:28:47.012077  # [   47.604749] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 6438 00:28:47.022564  # [   47.613009] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000

 6439 00:28:47.028408  # [   47.621270] FS:  00007ff99f811580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 6440 00:28:47.034810  # [   47.630600] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6441 00:28:47.044936  # [   47.637306] CR2: ffffffff8905f5d8 CR3: 0000000106488001 CR4: 00000000003706e0

 6442 00:28:47.048009  # WRITE_KERN: saw 'call trace:': ok

 6443 00:28:47.050849  ok 41 selftests: lkdtm: WRITE_KERN.sh

 6444 00:28:47.057646  # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 6445 00:28:47.064537  # [   47.774029] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 6446 00:28:47.071061  # [   47.783266] lkdtm: attempting good refcount_inc() without overflow

 6447 00:28:47.077362  # [   47.790474] lkdtm: attempting bad refcount_inc() overflow

 6448 00:28:47.080919  # [   47.796804] ------------[ cut here ]------------

 6449 00:28:47.087551  # [   47.802252] refcount_t: saturated; leaking memory.

 6450 00:28:47.097130  # [   47.807922] WARNING: CPU: 2 PID: 2012 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6451 00:28:47.150011  # [   47.817646] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6452 00:28:47.159754  # [   47.876601] CPU: 2 PID: 2012 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6453 00:28:47.166401  # [   47.885568] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6454 00:28:47.169989  # [   47.892667] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6455 00:28:47.180058  # [   47.898795] Code: 84 bc<6>[   59.996685] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 6456 00:28:47.193001   00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee <6>[   60.005319] lkdtm: attempting good copy_to_user of correct size

 6457 00:28:47.205910  48 c7 c7 e8 d6 ed 89 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b<6>[   60.018432] lkdtm: attempting bad copy_to_user of too large size

 6458 00:28:47.212954   c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed

 6459 00:28:47.219060  # [   47.920078] RSP: 0018:ffffa86a828b7e48 EFLAGS: 00010286

 6460 00:28:47.229445  # [   47.932419] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 6461 00:28:47.235800  # [   47.940684] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50

 6462 00:28:47.245495  # [   47.955166] RBP: ffffffff89f82af5 R08: 0000000000000000 R09: 0000000000000000

 6463 00:28:47.251982  # [   47.963459] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6464 00:28:47.262091  # [   47.971746] R13: ffffa86a828b7f10 R14: ffffa86a828b7f10 R15: ffff902343e76000

 6465 00:28:47.268462  # [   47.980011] FS:  00007f7f96d1e580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 6466 00:28:47.275060  # [   47.989344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6467 00:28:47.284993  # [   47.996079] CR2: 00007f7f96b28000 CR3: 00000001057a6003 CR4: 00000000003706e0

 6468 00:28:47.287998  # [   48.004358] Call Trace:

 6469 00:28:47.291100  # [   48.013587]  ? __warn+0x80/0x110

 6470 00:28:47.298536  # [   48.017512]  ? refcount_warn_saturate+0x51/0x110

 6471 00:28:47.301057  # [   48.029166]  ? report_bug+0x9e/0xc0

 6472 00:28:47.304503  # [   48.033358]  ? handle_bug+0x41/0x90

 6473 00:28:47.308088  # [   48.037573]  ? exc_invalid_op+0x14/0x70

 6474 00:28:47.314736  # [   48.042149]  ? asm_exc_invalid_op+0x12/0x20

 6475 00:28:47.321459  # [   48.047135]  ? refcount_warn_saturate+0x51/0x110

 6476 00:28:47.324751  # [   48.052615]  ? refcount_warn_saturate+0x51/0x110

 6477 00:28:47.331255  # [   48.058085]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 6478 00:28:47.334312  # [   48.063728]  direct_entry.cold+0x2c/0x38

 6479 00:28:47.341326  # [   48.068402]  full_proxy_write+0x53/0x80

 6480 00:28:47.344348  # [   48.073009]  vfs_write+0xe7/0x3b0

 6481 00:28:47.347747  # [   48.077033]  ksys_write+0x68/0xf0

 6482 00:28:47.351212  # [   48.081028]  do_syscall_64+0x30/0x40

 6483 00:28:47.357600  # [   48.085340]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6484 00:28:47.361315  # [   48.091274] RIP: 0033:0x7f7f96c34473

 6485 00:28:47.384160  # [   48.095558] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 0<6>[   60.197945] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 6486 00:28:47.390612  <6>[   60.206668] lkdtm: attempting good copy_from_user of correct size

 6487 00:28:47.403745  5 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 <6>[   60.213778] lkdtm: attempting bad copy_from_user of too large size

 6488 00:28:47.404330  24 18

 6489 00:28:47.413426  # [   48.116837] RSP: 002b:00007ffff95a9658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6490 00:28:47.420021  # [   48.125588] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7f96c34473

 6491 00:28:47.429757  # [   48.133853] RDX: 0000000000000016 RSI: 00007f7f96b28000 RDI: 0000000000000001

 6492 00:28:47.436753  # [   48.142116] RBP: 00007f7f96b28000 R08: 00007f7f96b27010 R09: 0000000000000000

 6493 00:28:47.446475  # [   48.150380] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6494 00:28:47.453271  # [   48.158644] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6495 00:28:47.456868  # [   48.166914] irq event stamp: 0

 6496 00:28:47.466811  # [   48.170644] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6497 00:28:47.473335  # [   48.177939] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6498 00:28:47.483975  # [   48.187369] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6499 00:28:47.492996  # [   48.196802] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6500 00:28:47.496074  # [   48.204096] ---[ end trace 74b841559c2f930f ]---

 6501 00:28:47.502817  # [   48.209557] lkdtm: Overflow detected: saturated

 6502 00:28:47.506322  # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok

 6503 00:28:47.512219  ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 6504 00:28:47.515926  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6505 00:28:47.525791  # [   48.366045] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 6506 00:28:47.532770  # [   48.377306] lkdtm: attempting good refcount_add() without overflow

 6507 00:28:47.539291  # [   48.390735] lkdtm: attempting bad refcount_add() overflow

 6508 00:28:47.542492  # [   48.403275] ------------[ cut here ]------------

 6509 00:28:47.548879  # [   48.414964] refcount_t: saturated; leaking memory.

 6510 00:28:47.558754  # [   48.426838] WARNING: CPU: 0 PID: 2045 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6511 00:28:47.611254  # [   48.442757] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6512 00:28:47.621023  # [   48.501744] CPU: 0 PID: 2045 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6513 00:28:47.628099  # [   48.516890] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6514 00:28:47.634351  # [   48.530245] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6515 00:28:47.654275  # [   48.542553] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 ed 89 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed

 6516 00:28:47.660771  # [   48.570087] RSP: 0018:ffffa86a82957e48 EFLAGS: 00010286

 6517 00:28:47.671047  # [   48.582415] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 6518 00:28:47.677273  # [   48.596937] RDX: ffff9023bac2c620 RSI: ffff9023bac1bf50 RDI: ffff9023bac1bf50

 6519 00:28:47.687377  # [   48.611403] RBP: ffffffff89f82b0b R08: 0000000000000000 R09: 0000000000000000

 6520 00:28:47.694483  # [   48.625923] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6521 00:28:47.703747  # [   48.640391] R13: ffffa86a82957f10 R14: ffffa86a82957f10 R15: ffff9023443d4000

 6522 00:28:47.710261  # [   48.654873] FS:  00007f707f6f8580(0000) GS:ffff9023bac00000(0000) knlGS:0000000000000000

 6523 00:28:47.717111  # [   48.670460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6524 00:28:47.726625  # [   48.683435] CR2: 00007f707f502000 CR3: 0000000106064006 CR4: 00000000003706f0

 6525 00:28:47.730359  # [   48.697877] Call Trace:

 6526 00:28:47.739804  # [   48.707171]  ?<6>[   60.552430] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 6527 00:28:47.740276   __warn+0x80/0x110

 6528 00:28:47.753169  # [   48.717259]  ? refcount_warn_saturate+0<6>[   60.562313] lkdtm: attempting good copy_to_user inside whitelist

 6529 00:28:47.753743  x51/0x110

 6530 00:28:47.756285  # [   48.728928]  ? report_bug+0x9e/0xc0

 6531 00:28:47.766265  # [   48.73<6>[   60.575537] lkdtm: attempting bad copy_to_user outside whitelist

 6532 00:28:47.769430  9342]  ? handle_bug+0x41/0x90

 6533 00:28:47.773314  # [   48.749752]  ? exc_invalid_op+0x14/0x70

 6534 00:28:47.775967  # [   48.760520]  ? asm_exc_invalid_op+0x12/0x20

 6535 00:28:47.782642  # [   48.771714]  ? refcount_warn_saturate+0x51/0x110

 6536 00:28:47.789720  # [   48.783361]  ? refcount_warn_saturate+0x51/0x110

 6537 00:28:47.792538  # [   48.795054]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 6538 00:28:47.799050  # [   48.806900]  direct_entry.cold+0x2c/0x38

 6539 00:28:47.802281  # [   48.817815]  full_proxy_write+0x53/0x80

 6540 00:28:47.805903  # [   48.828583]  vfs_write+0xe7/0x3b0

 6541 00:28:47.808887  # [   48.838811]  ksys_write+0x68/0xf0

 6542 00:28:47.816012  # [   48.849005]  do_syscall_64+0x30/0x40

 6543 00:28:47.818759  # [   48.859526]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6544 00:28:47.825882  # [   48.871659] RIP: 0033:0x7f707f60e473

 6545 00:28:47.845362  # [   48.882184] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6546 00:28:47.855698  # [   48.909662] RSP: 002b:00007fff57761d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6547 00:28:47.861848  # [   48.924651] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f707f60e473

 6548 00:28:47.872009  # [   48.939109] RDX: 0000000000000016 RSI: 00007f707f502000 RDI: 0000000000000001

 6549 00:28:47.877995  # [   48.953590] RBP: 00007f707f502000 R08: 00007f707f501010 R09: 0000000000000000

 6550 00:28:47.888074  # [   48.968067] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6551 00:28:47.895468  # [   48.982563] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6552 00:28:47.898195  # [   48.997043] irq event stamp: 0

 6553 00:28:47.904683  # [   49.006944] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6554 00:28:47.914513  # [   49.020501] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6555 00:28:47.924693  # [   49.036107] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6556 00:28:47.931568  # [   49.051754] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6557 00:28:47.941014  # [   49.06<6>[   60.755207] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 6558 00:28:47.944139  5249] ---[ end trace 74b841559c2f9310 ]---

 6559 00:28:47.954331  # [   49.076928] lkd<6>[   60.764274] lkdtm: attempting good copy_from_user inside whitelist

 6560 00:28:47.957761  tm: Overflow detected: saturated

 6561 00:28:47.967805  # REFCOUNT_ADD_OVERFLOW: saw '<6>[   60.777680] lkdtm: attempting bad copy_from_user outside whitelist

 6562 00:28:47.970757  call trace:': ok

 6563 00:28:47.973861  ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6564 00:28:47.980361  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6565 00:28:47.987258  # [   49.224515] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 6566 00:28:47.993332  # [   49.233096] lkdtm: attempting bad refcount_inc_not_zero() overflow

 6567 00:28:48.000578  # [   49.246511] ------------[ cut here ]------------

 6568 00:28:48.006945  # [   49.258174] refcount_t: saturated; leaking memory.

 6569 00:28:48.014270  # [   49.270068] WARNING: CPU: 1 PID: 2078 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6570 00:28:48.066116  # [   49.285984] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6571 00:28:48.076402  # [   49.344972] CPU: 1 PID: 2078 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6572 00:28:48.083003  # [   49.360125] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6573 00:28:48.089589  # [   49.373420] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6574 00:28:48.109220  # [   49.385762] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed 89 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed

 6575 00:28:48.116069  # [   49.413255] RSP: 0018:ffffa86a829e7e38 EFLAGS: 00010282

 6576 00:28:48.125970  # [   49.425600] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 6577 00:28:48.132769  # [   49.433864] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50

 6578 00:28:48.142106  # [   49.448345] RBP: ffffffff89f82748 R08: 0000000000000000 R09: 0000000000000000

 6579 00:28:48.148650  # [   <6>[   60.961948] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 6580 00:28:48.161739  49.456610] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000<6>[   60.972543] lkdtm: good_stack: ffffa86a835b7e20-ffffa86a835b7e40

 6581 00:28:48.165973  00000000001f

 6582 00:28:48.175174  # [   49.471086] R13: ffffa86a829e7f10 R14: ffffa8<6>[   60.985762] lkdtm: bad_stack : ffffa86a835b7da8-ffffa86a835b7dc8

 6583 00:28:48.178483  6a829e7f10 R15: ffff9023441b4000

 6584 00:28:48.188266  # [   49.479353] FS:  00007fe0<6>[   60.998996] lkdtm: attempting good copy_to_user of local stack

 6585 00:28:48.195340  0052f580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 6586 00:28:48.201580  <6>[   61.012000] lkdtm: attempting bad copy_to_user of distant stack

 6587 00:28:48.202187  

 6588 00:28:48.208308  # [   49.494899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6589 00:28:48.214539  # [   49.501612] CR2: 00007fe000339000 CR3: 000000010591e004 CR4: 00000000003706e0

 6590 00:28:48.218783  # [   49.516086] Call Trace:

 6591 00:28:48.224985  # [   49.519110]  ? __warn+0x80/0x110

 6592 00:28:48.228372  # [   49.529213]  ? refcount_warn_saturate+0x97/0x110

 6593 00:28:48.231277  # [   49.534688]  ? report_bug+0x9e/0xc0

 6594 00:28:48.238200  # [   49.545086]  ? handle_bug+0x41/0x90

 6595 00:28:48.240903  # [   49.555487]  ? exc_invalid_op+0x14/0x70

 6596 00:28:48.244427  # [   49.560064]  ? asm_exc_invalid_op+0x12/0x20

 6597 00:28:48.251439  # [   49.565034]  ? refcount_warn_saturate+0x97/0x110

 6598 00:28:48.257694  # [   49.570491]  ? refcount_warn_saturate+0x97/0x110

 6599 00:28:48.264264  # [   49.575944]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6600 00:28:48.270536  # [   49.582368]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 6601 00:28:48.274158  # [   49.588895]  direct_entry.cold+0x2c/0x38

 6602 00:28:48.277552  # [   49.593570]  full_proxy_write+0x53/0x80

 6603 00:28:48.280575  # [   49.604362]  vfs_write+0xe7/0x3b0

 6604 00:28:48.287727  # [   49.614566]  ksys_write+0x68/0xf0

 6605 00:28:48.290588  # [   49.624773]  do_syscall_64+0x30/0x40

 6606 00:28:48.297055  # [   49.629081]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6607 00:28:48.300349  # [   49.641226] RIP: 0033:0x7fe000445473

 6608 00:28:48.320493  # [   49.651723] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6609 00:28:48.330177  # [   49.673003] RSP: 002b:00007ffc3a1f6788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6610 00:28:48.336281  # [   49.687965] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe000445473

 6611 00:28:48.346019  # [   49.696229] RDX: 000000000000001f RSI: 00007fe000339000 RDI: 0000000000000001

 6612 00:28:48.352628  # [   49.710704] RBP: 00007fe000339000 R08: 00007fe000338010 R09: 0000000000000000

 6613 00:28:48.362599  # [   49.718969] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6614 00:28:48.369384  # [   49.733444] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6615 00:28:48.372759  # [   49.741713] irq event stamp: 0

 6616 00:28:48.382387  # [   49.75<6>[   61.194446] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 6617 00:28:48.389415  1620] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6618 00:28:48.395776  #<6>[   61.206697] lkdtm: good_stack: ffffa86a83647e20-ffffa86a83647e40

 6619 00:28:48.408696   [   49.765129] hardirqs last disabled at (0): [<ffffffff87efd6c<6>[   61.219925] lkdtm: bad_stack : ffffa86a83647da8-ffffa86a83647dc8

 6620 00:28:48.411990  c>] copy_process+0x65c/0x20e0

 6621 00:28:48.421688  # [   49.774586] softirqs last  e<6>[   61.233134] lkdtm: attempting good copy_from_user of local stack

 6622 00:28:48.428473  nabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6623 00:28:48.434875  #<6>[   61.246330] lkdtm: attempting bad copy_from_user of distant stack

 6624 00:28:48.441413   [   49.790226] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6625 00:28:48.448180  # [   49.797540] ---[ end trace 74b841559c2f9311 ]---

 6626 00:28:48.454729  # [   49.809190] lkdtm: Overflow detected: saturated

 6627 00:28:48.458169  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6628 00:28:48.464888  ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6629 00:28:48.470988  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6630 00:28:48.477971  # [   49.966201] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 6631 00:28:48.484542  # [   49.977829] lkdtm: attempting bad refcount_add_not_zero() overflow

 6632 00:28:48.490897  # [   49.991240] ------------[ cut here ]------------

 6633 00:28:48.494281  # [   50.002901] refcount_t: saturated; leaking memory.

 6634 00:28:48.504030  # [   50.014791] WARNING: CPU: 1 PID: 2111 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6635 00:28:48.556927  # [   50.030696] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6636 00:28:48.566573  # [   50.089683] CPU: 1 PID: 2111 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6637 00:28:48.580282  # [   50.098654] Hardware name: Google Rammus/Rammus, BIOS<6>[   61.394711] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 6638 00:28:48.586537  <6>[   61.403373] lkdtm: good_stack: ffffa86a836bfe20-ffffa86a836bfe40

 6639 00:28:48.592939  <6>[   61.410397] lkdtm: bad_stack : ffffa86a836bfff8-ffffa86a836c0018

 6640 00:28:48.600009  <6>[   61.417435] lkdtm: attempting good copy_to_user of local stack

 6641 00:28:48.606439  <6>[   61.424266] lkdtm: attempting bad copy_to_user of distant stack

 6642 00:28:48.613095  <4>[   61.431189] lkdtm: copy_to_user failed, but lacked Oops

 6643 00:28:48.616590    09/04/2020

 6644 00:28:48.619941  # [   50.111963] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6645 00:28:48.642351  # [   50.118117] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed 89 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed

 6646 00:28:48.649222  # [   50.145603] RSP: 0018:ffffa86a82a4fe38 EFLAGS: 00010282

 6647 00:28:48.655872  # [   50.151758] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 6648 00:28:48.665448  # [   50.166231] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50

 6649 00:28:48.672502  # [   50.174542] RBP: ffffffff89f82768 R08: 0000000000000000 R09: 0000000000000000

 6650 00:28:48.678820  # [   50.189013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6651 00:28:48.688914  # [   50.197279] R13: ffffa86a82a4ff10 R14: ffffa86a82a4ff10 R15: ffff902344795000

 6652 00:28:48.698695  # [   50.211752] FS:  00007f0ff72d5580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 6653 00:28:48.705221  # [   50.221086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6654 00:28:48.711771  # [   50.234004] CR2: 00007f0ff70df000 CR3: 0000000102664003 CR4: 00000000003706e0

 6655 00:28:48.715190  # [   50.242270] Call Trace:

 6656 00:28:48.718395  # [   50.251508]  ? __warn+0x80/0x110

 6657 00:28:48.724938  # [   50.261615]  ? refcount_warn_saturate+0x97/0x110

 6658 00:28:48.728132  # [   50.273279]  ? report_bug+0x9e/0xc0

 6659 00:28:48.731416  # [   50.283679]  ? handle_bug+0x41/0x90

 6660 00:28:48.738115  # [   50.294076]  ? exc_invalid_op+0x14/0x70

 6661 00:28:48.741662  # [   50.304892]  ? asm_exc_invalid_op+0x12/0x20

 6662 00:28:48.751627  # [   50.316070] <6>[   61.563671] lkdtm: Performing direct entry USERCOPY_KERNEL

 6663 00:28:48.758417  <6>[   61.574336] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff89af8950

 6664 00:28:48.768048  <6>[   61.583315] lkdtm: attempting bad copy_to_user from kernel text: ffffffff880e2c00

 6665 00:28:48.771293   ? refcount_warn_saturate+0x97/0x110

 6666 00:28:48.780922  # [   50.327710]  ? refcou<3>[   61.591975] lkdtm: FAIL: survived bad copy_to_user()

 6667 00:28:48.784060  nt_warn_saturate+0x97/0x110

 6668 00:28:48.787820  # [   50.339374]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6669 00:28:48.794287  # [   50.352009]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 6670 00:28:48.800565  # [   50.364739]  direct_entry.cold+0x2c/0x38

 6671 00:28:48.804329  # [   50.375627]  full_proxy_write+0x53/0x80

 6672 00:28:48.807944  # [   50.386415]  vfs_write+0xe7/0x3b0

 6673 00:28:48.811244  # [   50.396619]  ksys_write+0x68/0xf0

 6674 00:28:48.817456  # [   50.406824]  do_syscall_64+0x30/0x40

 6675 00:28:48.824704  # [   50.417320]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6676 00:28:48.827590  # [   50.429495] RIP: 0033:0x7f0ff71eb473

 6677 00:28:48.847023  # [   50.439991] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6678 00:28:48.856704  # [   50.467494] RSP: 002b:00007ffc936c9848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6679 00:28:48.863549  # [   50.482458] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0ff71eb473

 6680 00:28:48.873284  # [   50.496960] RDX: 000000000000001f RSI: 00007f0ff70df000 RDI: 0000000000000001

 6681 00:28:48.879922  # [   50.511439] RBP: 00007f0ff70df000 R08: 00007f0ff70de010 R09: 0000000000000000

 6682 00:28:48.889864  # [   50.525917] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6683 00:28:48.896925  # [   50.540399] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6684 00:28:48.899961  # [   50.554885] irq event stamp: 0

 6685 00:28:48.909522  # [   50.564794] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6686 00:28:48.922881  # [   50.572090] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x2<6>[   61.739474] lkdtm: Performing direct entry STACKLEAK_ERASING

 6687 00:28:48.922993  0e0

 6688 00:28:48.939613  # [   50.587734] softirqs last  enabled at (0): [<ffffffff8<6>[   61.747542] lkdtm: checking unused part of the thread stack (15928 bytes)...

 6689 00:28:48.943098  7efd6cc>] copy_process+0x65c/0x20e0

 6690 00:28:48.952874  # [   50.603376] softirqs l<3>[   61.761928] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 6691 00:28:48.956056  ast disabled at (0): [<0000000000000000>] 0x0

 6692 00:28:48.965507  # [   50.610669] <3>[   61.776196] lkdtm: FAIL: the thread stack is NOT properly erased

 6693 00:28:48.969359  ---[ end trace 74b841559c2f9312 ]---

 6694 00:28:48.979019  # [   50.622327] lkdtm: Ov<4>[   61.789461] CPU: 0 PID: 2940 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6695 00:28:48.988965  <4>[   61.804594] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6696 00:28:48.992590  <4>[   61.811690] Call Trace:

 6697 00:28:48.996006  <4>[   61.814713]  dump_stack+0x77/0x9b

 6698 00:28:48.998863  <4>[   61.818709]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 6699 00:28:49.005872  <4>[   61.824154]  direct_entry.cold+0x2c/0x38

 6700 00:28:49.008824  <4>[   61.828815]  full_proxy_write+0x53/0x80

 6701 00:28:49.012364  <4>[   61.833393]  vfs_write+0xe7/0x3b0

 6702 00:28:49.018906  <4>[   61.837381]  ksys_write+0x68/0xf0

 6703 00:28:49.021852  <4>[   61.841372]  do_syscall_64+0x30/0x40

 6704 00:28:49.028426  <4>[   61.845652]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6705 00:28:49.031860  <4>[   61.851582] RIP: 0033:0x7f05a056f473

 6706 00:28:49.051316  <4>[   61.855862] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6707 00:28:49.061846  <4>[   61.877154] RSP: 002b:00007ffc36668cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6708 00:28:49.071884  <4>[   61.885900] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f05a056f473

 6709 00:28:49.078362  <4>[   61.894160] RDX: 0000000000000012 RSI: 00007f05a0463000 RDI: 0000000000000001

 6710 00:28:49.088459  <4>[   61.902420] RBP: 00007f05a0463000 R08: 00007f05a0462010 R09: 0000000000000000

 6711 00:28:49.094969  <4>[   61.910679] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6712 00:28:49.104770  <4>[   61.918938] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6713 00:28:49.104868  erflow detected: saturated

 6714 00:28:49.111436  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6715 00:28:49.117993  ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6716 00:28:49.121483  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6717 00:28:49.127594  # [   50.762258] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 6718 00:28:49.134423  # [   50.771016] lkdtm: attempting good refcount_dec()

 6719 00:28:49.140884  # [   50.776573] lkdtm: attempting bad refcount_dec() to zero

 6720 00:28:49.143787  # [   50.782808] ------------[ cut here ]------------

 6721 00:28:49.150278  # [   50.788262] refcount_t: decrement hit 0; leaking memory.

 6722 00:28:49.160795  # [   50.794513] WARNING: CPU: 2 PID: 2144 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6723 00:28:49.213440  # [   50.810435] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6724 00:28:49.223236  # [   50.869433] CPU: 2 PID: 2144 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6725 00:28:49.229888  # [   50.884590] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6726 00:28:49.239968  # [   50.891690] RIP: 0010:refcount_warn_saturate+<6>[   62.053419] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 6727 00:28:49.246585  <6>[   62.064594] lkdtm: Calling matched prototype ...

 6728 00:28:49.252644  <6>[   62.070080] lkdtm: Calling mismatched prototype ...

 6729 00:28:49.252737  0xfb/0x110

 6730 00:28:49.266356  # [   50.897820] Code: 98 d7 ed 89 c6 05 05 fb 16 02<6>[   62.075855] lkdtm: Fail: survived mismatched prototype function call!

 6731 00:28:49.282748   01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ed 89 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6732 00:28:49.288987  # [   50.919124] RSP: 0018:ffffa86a82b1fe48 EFLAGS: 00010286

 6733 00:28:49.295815  # [   50.925280] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 6734 00:28:49.305372  # [   50.939749] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50

 6735 00:28:49.312203  # [   50.948012] RBP: ffffffff89f82b21 R08: 0000000000000000 R09: 0000000000000000

 6736 00:28:49.321942  # [   50.956275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6737 00:28:49.328154  # [   50.964539] R13: ffffa86a82b1ff10 R14: ffffa86a82b1ff10 R15: ffff90234466b000

 6738 00:28:49.338164  # [   50.972803] FS:  00007f4b8e80a580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 6739 00:28:49.344787  # [   50.982135] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6740 00:28:49.351485  # [   50.988844] CR2: 00007f4b8e614000 CR3: 0000000103fe6003 CR4: 00000000003706e0

 6741 00:28:49.355026  # [   50.997105] Call Trace:

 6742 00:28:49.361011  # [   51.000119]  ? __warn+0x80/0x110

 6743 00:28:49.364177  # [   51.004034]  ? refcount_warn_saturate+0xfb/0x110

 6744 00:28:49.370990  # [   51.009496]  ? report_bug+0x9e/0xc0

 6745 00:28:49.374411  # [   51.019898]  ? handle_bug+0x41/0x90

 6746 00:28:49.377914  # [   51.024105]  ? exc_invalid_op+0x14/0x70

 6747 00:28:49.384002  # [   51.028680]  ? asm_exc_invalid_op+0x12/0x20

 6748 00:28:49.387756  # [   51.033646]  ? refcount_warn_saturate+0xfb/0x110

 6749 00:28:49.394078  # [   51.039117]  ? refcount_warn_saturate+0xfb/0x110

 6750 00:28:49.400444  # [   51.044565]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 6751 00:28:49.403937  # [   51.049818]  direct_entry.cold+0x2c/0x38

 6752 00:28:49.410526  # [   51.054498]  full_proxy_write+0x53/0x80

 6753 00:28:49.414156  # [   51.065277]  vfs_write+0xe7/0x3b0

 6754 00:28:49.416977  # [   51.069294]  ksys_write+0x68/0xf0

 6755 00:28:49.420969  # [   51.073318]  do_syscall_64+0x30/0x40

 6756 00:28:49.426859  # [   51.077602]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6757 00:28:49.433761  # [   51.083568] RIP: 0033:0x7f4b8e720473

 6758 00:28:49.453474  # [   51.087853] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6759 00:28:49.462691  # [   51.109131] RSP: 002b:00007ffed078d868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6760 00:28:49.472573  # [   51.117883] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4b8e720473

 6761 00:28:49.479898  # [   51.126148] RDX: 0000000000000012 RSI: 00007f4b8e614000 RDI: 0000000000000001

 6762 00:28:49.489431  # [   51.134413] RBP: 00007f4b8e614000 R08: 00007f4b8e613010 R09: 0000000000000000

 6763 00:28:49.496302  # [   51.142677] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6764 00:28:49.505891  # [   51.150941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6765 00:28:49.509106  # [   51.165422] irq event stamp: 0

 6766 00:28:49.515841  # [   51.175331] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6767 00:28:49.525252  # [   51.182623] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6768 00:28:49.535227  # [   51.192051] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6769 00:28:49.541786  # [   51.201492] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6770 00:28:49.548590  # [   51.208785] ---[ end trace 74b841559c2f9313 ]---

 6771 00:28:49.551737  # [   51.220443] lkdtm: Zero detected: saturated

 6772 00:28:49.557874  # REFCOUNT_DEC_ZERO: saw 'call trace:': ok

 6773 00:28:49.561056  ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6774 00:28:49.568121  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6775 00:28:49.574820  # [   51.367998] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6776 00:28:49.582124  # [   51.375500] lkdtm: attempting bad refcount_dec() below zero

 6777 00:28:49.584456  # [   51.388229] ------------[ cut here ]------------

 6778 00:28:49.591028  # [   51.399894] refcount_t: decrement hit 0; leaking memory.

 6779 00:28:49.601325  # [   51.412363] WARNING: CPU: 1 PID: 2180 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6780 00:28:49.656973  # [   51.428268] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6781 00:28:49.663331  # [   51.487231] CPU: 1 PID: 2180 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6782 00:28:49.673332  # [   51.502393] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6783 00:28:49.676540  # [   51.515709] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6784 00:28:49.699581  # [   51.528049] Code: 98 d7 ed 89 c6 05 05 fb 16 02 01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ed 89 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6785 00:28:49.706250  # [   51.549352] RSP: 0018:ffffa86a82bbfe48 EFLAGS: 00010286

 6786 00:28:49.715820  # [   51.561695] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6787 00:28:49.722704  # [   51.576173] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50

 6788 00:28:49.732610  # [   51.584438] RBP: ffffffff89f82b33 R08: 0000000000000000 R09: 0000000000000000

 6789 00:28:49.739520  # [   51.592701] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6790 00:28:49.749237  # [   51.607176] R13: ffffa86a82bbff10 R14: ffffa86a82bbff10 R15: ffff9023459ee000

 6791 00:28:49.758600  # [   51.615445] FS:  00007fdb8569f580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 6792 00:28:49.765521  # [   51.630994] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6793 00:28:49.771719  # [   51.643921] CR2: 00007fdb854a9000 CR3: 0000000103b44001 CR4: 00000000003706e0

 6794 00:28:49.775378  # [   51.652188] Call Trace:

 6795 00:28:49.778272  # [   51.661424]  ? __warn+0x80/0x110

 6796 00:28:49.784801  # [   51.671530]  ? refcount_warn_saturate+0xfb/0x110

 6797 00:28:49.788339  # [   51.683196]  ? report_bug+0x9e/0xc0

 6798 00:28:49.794915  # [   51.693599]  ? handle_bug+0x41/0x90

 6799 00:28:49.797952  # [   51.703997]  ? exc_invalid_op+0x14/0x70

 6800 00:28:49.805777  # [   51.714788]  ? asm_exc_invalid_op+0x12/0x20

 6801 00:28:49.807887  # [   51.725970]  ? refcount_warn_saturate+0xfb/0x110

 6802 00:28:49.814890  # [   51.737630]  ? refcount_warn_saturate+0xfb/0x110

 6803 00:28:49.821111  # [   51.749295]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6804 00:28:49.824099  # [   51.761155]  direct_entry.cold+0x2c/0x38

 6805 00:28:49.830658  # [   51.772041]  full_proxy_write+0x53/0x80

 6806 00:28:49.834535  # [   51.782832]  vfs_write+0xe7/0x3b0

 6807 00:28:49.837466  # [   51.793040]  ksys_write+0x68/0xf0

 6808 00:28:49.840542  # [   51.803248]  do_syscall_64+0x30/0x40

 6809 00:28:49.847649  # [   51.813744]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6810 00:28:49.851863  # [   51.825896] RIP: 0033:0x7fdb855b5473

 6811 00:28:49.874449  # [   51.836394] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6812 00:28:49.884265  # [   51.863887] RSP: 002b:00007ffef3a73558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6813 00:28:49.891037  # [   51.878854] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdb855b5473

 6814 00:28:49.901080  # [   51.893332] RDX: 0000000000000016 RSI: 00007fdb854a9000 RDI: 0000000000000001

 6815 00:28:49.907066  # [   51.907808] RBP: 00007fdb854a9000 R08: 00007fdb854a8010 R09: 0000000000000000

 6816 00:28:49.917316  # [   51.922287] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6817 00:28:49.927203  # [   51.936768] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6818 00:28:49.930264  # [   51.951249] irq event stamp: 0

 6819 00:28:49.937048  # [   51.961160] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6820 00:28:49.946917  # [   51.974667] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6821 00:28:49.956701  # [   51.990310] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6822 00:28:49.963278  # [   52.005952] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6823 00:28:49.969480  # [   52.019458] ---[ end trace 74b841559c2f9314 ]---

 6824 00:28:49.972979  # [   52.031121] lkdtm: Negative detected: saturated

 6825 00:28:49.979143  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 6826 00:28:49.986487  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6827 00:28:49.992910  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6828 00:28:49.999235  # [   52.211541] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6829 00:28:50.005788  # [   52.224723] lkdtm: attempting bad refcount_dec_and_test() below zero

 6830 00:28:50.012394  # [   52.232120] ------------[ cut here ]------------

 6831 00:28:50.018867  # [   52.237598] refcount_t: underflow; use-after-free.

 6832 00:28:50.029150  # [   52.243266] WARNING: CPU: 3 PID: 2216 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6833 00:28:50.081627  # [   52.252991] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6834 00:28:50.091291  # [   52.311946] CPU: 3 PID: 2216 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6835 00:28:50.097923  # [   52.320920] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6836 00:28:50.104331  # [   52.328018] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6837 00:28:50.127475  # [   52.334144] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 89 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7

 6838 00:28:50.134324  # [   52.355421] RSP: 0018:ffffa86a82c37e40 EFLAGS: 00010286

 6839 00:28:50.140789  # [   52.361547] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6840 00:28:50.150834  # [   52.369810] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 6841 00:28:50.157166  # [   52.378072] RBP: ffffffff89f82788 R08: 0000000000000000 R09: 0000000000000000

 6842 00:28:50.167304  # [   52.386333] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6843 00:28:50.176998  # [   52.394590] R13: ffffa86a82c37f10 R14: ffffa86a82c37f10 R15: ffff902344767000

 6844 00:28:50.186340  # [   52.402854] FS:  00007f4a629b2580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 6845 00:28:50.193508  # [   52.412184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6846 00:28:50.200278  # [   52.418895] CR2: 00007f4a627bc000 CR3: 00000001058ec002 CR4: 00000000003706e0

 6847 00:28:50.203608  # [   52.427159] Call Trace:

 6848 00:28:50.206475  # [   52.430182]  ? __warn+0x80/0x110

 6849 00:28:50.213072  # [   52.440287]  ? refcount_warn_saturate+0xba/0x110

 6850 00:28:50.216504  # [   52.445735]  ? report_bug+0x9e/0xc0

 6851 00:28:50.223082  # [   52.449944]  ? handle_bug+0x41/0x90

 6852 00:28:50.225781  # [   52.454152]  ? exc_invalid_op+0x14/0x70

 6853 00:28:50.232508  # [   52.458725]  ? asm_exc_invalid_op+0x12/0x20

 6854 00:28:50.236368  # [   52.463690]  ? refcount_warn_saturate+0xba/0x110

 6855 00:28:50.242772  # [   52.469168]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6856 00:28:50.249164  # [   52.475588]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6857 00:28:50.255497  # [   52.482106]  direct_entry.cold+0x2c/0x38

 6858 00:28:50.258977  # [   52.486777]  full_proxy_write+0x53/0x80

 6859 00:28:50.262433  # [   52.491379]  vfs_write+0xe7/0x3b0

 6860 00:28:50.269005  # [   52.501586]  ksys_write+0x68/0xf0

 6861 00:28:50.272015  # [   52.511795]  do_syscall_64+0x30/0x40

 6862 00:28:50.278739  # [   52.522293]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6863 00:28:50.281969  # [   52.528256] RIP: 0033:0x7f4a628c8473

 6864 00:28:50.304809  # [   52.532538] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6865 00:28:50.314748  # [   52.553815] RSP: 002b:00007ffe0f6e5118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6866 00:28:50.321423  # [   52.562567] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4a628c8473

 6867 00:28:50.331383  # [   52.570859] RDX: 000000000000001f RSI: 00007f4a627bc000 RDI: 0000000000000001

 6868 00:28:50.338071  # [   52.585328] RBP: 00007f4a627bc000 R08: 00007f4a627bb010 R09: 0000000000000000

 6869 00:28:50.347587  # [   52.593592] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6870 00:28:50.354008  # [   52.601854] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6871 00:28:50.357265  # [   52.610112] irq event stamp: 0

 6872 00:28:50.367484  # [   52.613832] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6873 00:28:50.377053  # [   52.621125] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6874 00:28:50.383593  # [   52.630554] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6875 00:28:50.393876  # [   52.639981] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6876 00:28:50.397002  # [   52.647264] ---[ end trace 74b841559c2f9315 ]---

 6877 00:28:50.403570  # [   52.652711] lkdtm: Negative detected: saturated

 6878 00:28:50.409875  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6879 00:28:50.416241  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6880 00:28:50.423218  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6881 00:28:50.429833  # [   52.803424] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6882 00:28:50.439625  # [   52.815135] lkdtm: attempting bad refcount_sub_and_test() below zero

 6883 00:28:50.443566  # [   52.822534] ------------[ cut here ]------------

 6884 00:28:50.449627  # [   52.827988] refcount_t: underflow; use-after-free.

 6885 00:28:50.459044  # [   52.833641] WARNING: CPU: 3 PID: 2252 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6886 00:28:50.515627  # [   52.849562] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6887 00:28:50.521902  # [   52.908579] CPU: 3 PID: 2252 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6888 00:28:50.532025  # [   52.917532] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6889 00:28:50.538448  # [   52.930838] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6890 00:28:50.558187  # [   52.936964] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 89 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7

 6891 00:28:50.564567  # [   52.958238] RSP: 0018:ffffa86a82cdfe40 EFLAGS: 00010286

 6892 00:28:50.574453  # [   52.964365] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6893 00:28:50.580900  # [   52.972619] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 6894 00:28:50.591101  # [   52.980882] RBP: ffffffff89f827a8 R08: 0000000000000000 R09: 0000000000000000

 6895 00:28:50.597204  # [   52.989144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6896 00:28:50.607144  # [   52.997399] R13: ffffa86a82cdff10 R14: ffffa86a82cdff10 R15: ffff90234604a000

 6897 00:28:50.617435  # [   53.005663] FS:  00007fcb5b632580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 6898 00:28:50.623541  # [   53.014995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6899 00:28:50.633499  # [   53.021702] CR2: 00007fcb5b43c000 CR3: 0000000106294006 CR4: 00000000003706e0

 6900 00:28:50.633594  # [   53.029965] Call Trace:

 6901 00:28:50.640559  # [   53.032988]  ? __warn+0x80/0x110

 6902 00:28:50.643219  # [   53.036913]  ? refcount_warn_saturate+0xba/0x110

 6903 00:28:50.650184  # [   53.042360]  ? report_bug+0x9e/0xc0

 6904 00:28:50.652788  # [   53.046550]  ? handle_bug+0x41/0x90

 6905 00:28:50.656521  # [   53.050758]  ? exc_invalid_op+0x14/0x70

 6906 00:28:50.662982  # [   53.055332]  ? asm_exc_invalid_op+0x12/0x20

 6907 00:28:50.669693  # [   53.060297]  ? refcount_warn_saturate+0xba/0x110

 6908 00:28:50.676277  # [   53.065775]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6909 00:28:50.683191  # [   53.072195]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6910 00:28:50.686409  # [   53.078711]  direct_entry.cold+0x2c/0x38

 6911 00:28:50.692837  # [   53.083382]  full_proxy_write+0x53/0x80

 6912 00:28:50.695778  # [   53.087958]  vfs_write+0xe7/0x3b0

 6913 00:28:50.699064  # [   53.091950]  ksys_write+0x68/0xf0

 6914 00:28:50.702513  # [   53.095942]  do_syscall_64+0x30/0x40

 6915 00:28:50.709099  # [   53.100226]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6916 00:28:50.712309  # [   53.112374] RIP: 0033:0x7fcb5b548473

 6917 00:28:50.735473  # [   53.122874] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6918 00:28:50.745267  # [   53.144152] RSP: 002b:00007ffda1330718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6919 00:28:50.752006  # [   53.152902] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcb5b548473

 6920 00:28:50.761486  # [   53.161164] RDX: 000000000000001f RSI: 00007fcb5b43c000 RDI: 0000000000000001

 6921 00:28:50.768756  # [   53.169429] RBP: 00007fcb5b43c000 R08: 00007fcb5b43b010 R09: 0000000000000000

 6922 00:28:50.778732  # [   53.177691] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6923 00:28:50.788005  # [   53.185954] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6924 00:28:50.792212  # [   53.194220] irq event stamp: 0

 6925 00:28:50.798385  # [   53.197941] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6926 00:28:50.807667  # [   53.205234] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6927 00:28:50.817834  # [   53.214663] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6928 00:28:50.824134  # [   53.224092] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6929 00:28:50.831570  # [   53.231384] ---[ end trace 74b841559c2f9316 ]---

 6930 00:28:50.834038  # [   53.236831] lkdtm: Negative detected: saturated

 6931 00:28:50.843991  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6932 00:28:50.847499  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6933 00:28:50.854160  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6934 00:28:50.860824  # [   53.379540] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6935 00:28:50.867386  # [   53.391799] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6936 00:28:50.870522  # [   53.399195] lkdtm: Good: zero detected

 6937 00:28:50.877334  # [   53.403701] lkdtm: Correctly stayed at zero

 6938 00:28:50.883748  # [   53.408664] lkdtm: attempting bad refcount_inc() from zero

 6939 00:28:50.890155  # [   53.415084] ------------[ cut here ]------------

 6940 00:28:50.893584  # [   53.426746] refcount_t: addition on 0; use-after-free.

 6941 00:28:50.906877  # [   53.439019] WARNING: CPU: 2 PID: 2285 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6942 00:28:50.959322  # [   53.448746] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6943 00:28:50.969049  # [   53.507725] CPU: 2 PID: 2285 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 6944 00:28:50.975977  # [   53.516678] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6945 00:28:50.982574  # [   53.529988] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6946 00:28:51.005109  # [   53.536117] Code: 02 01 e8 79 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed 89 c6 05 75 fb 16 02 01 e8 56 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed

 6947 00:28:51.009317  # [   53.557395] RSP: 0018:ffffa86a82d67e48 EFLAGS: 00010286

 6948 00:28:51.018816  # [   53.563538] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6949 00:28:51.028080  # [   53.571801] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50

 6950 00:28:51.035043  # [   53.580063] RBP: ffffffff89f82b49 R08: 0000000000000000 R09: 0000000000000000

 6951 00:28:51.044749  # [   53.588326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6952 00:28:51.051507  # [   53.596590] R13: ffffa86a82d67f10 R14: ffffa86a82d67f10 R15: ffff90234591f000

 6953 00:28:51.061384  # [   53.604854] FS:  00007f90dd8ee580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 6954 00:28:51.068118  # [   53.614185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6955 00:28:51.077672  # [   53.620885] CR2: 00007f90dd6f8000 CR3: 0000000102872001 CR4: 00000000003706e0

 6956 00:28:51.081362  # [   53.629139] Call Trace:

 6957 00:28:51.084377  # [   53.632163]  ? __warn+0x80/0x110

 6958 00:28:51.091380  # [   53.636086]  ? refcount_warn_saturate+0x74/0x110

 6959 00:28:51.094240  # [   53.641539]  ? report_bug+0x9e/0xc0

 6960 00:28:51.097408  # [   53.645726]  ? handle_bug+0x41/0x90

 6961 00:28:51.104544  # [   53.649933]  ? exc_invalid_op+0x14/0x70

 6962 00:28:51.107868  # [   53.654509]  ? asm_exc_invalid_op+0x12/0x20

 6963 00:28:51.114112  # [   53.659495]  ? refcount_warn_saturate+0x74/0x110

 6964 00:28:51.120585  # [   53.671155]  ? refcount_warn_saturate+0x74/0x110

 6965 00:28:51.123550  # [   53.676601]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6966 00:28:51.130366  # [   53.681855]  direct_entry.cold+0x2c/0x38

 6967 00:28:51.133679  # [   53.686530]  full_proxy_write+0x53/0x80

 6968 00:28:51.136937  # [   53.697323]  vfs_write+0xe7/0x3b0

 6969 00:28:51.143997  # [   53.707527]  ksys_write+0x68/0xf0

 6970 00:28:51.147210  # [   53.711542]  do_syscall_64+0x30/0x40

 6971 00:28:51.154588  # [   53.715824]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6972 00:28:51.156867  # [   53.721758] RIP: 0033:0x7f90dd804473

 6973 00:28:51.179823  # [   53.726038] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6974 00:28:51.189582  # [   53.747314] RSP: 002b:00007ffcde8929c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6975 00:28:51.196130  # [   53.756064] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f90dd804473

 6976 00:28:51.205739  # [   53.764327] RDX: 0000000000000012 RSI: 00007f90dd6f8000 RDI: 0000000000000001

 6977 00:28:51.212423  # [   53.772591] RBP: 00007f90dd6f8000 R08: 00007f90dd6f7010 R09: 0000000000000000

 6978 00:28:51.222377  # [   53.780854] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6979 00:28:51.229356  # [   53.789116] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6980 00:28:51.235638  # [   53.797375] irq event stamp: 0

 6981 00:28:51.241837  # [   53.801104] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6982 00:28:51.252118  # [   53.808397] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6983 00:28:51.262031  # [   53.817826] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 6984 00:28:51.268861  # [   53.827255] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6985 00:28:51.275442  # [   53.834552] ---[ end trace 74b841559c2f9317 ]---

 6986 00:28:51.278326  # [   53.839999] lkdtm: Zero detected: saturated

 6987 00:28:51.284829  # REFCOUNT_INC_ZERO: saw 'call trace:': ok

 6988 00:28:51.288231  ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6989 00:28:51.291572  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6990 00:28:51.298309  # [   53.991026] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6991 00:28:51.308606  # [   54.000914] lkdtm: attempting safe refcount_add_not_zero() from zero

 6992 00:28:51.310867  # [   54.008316] lkdtm: Good: zero detected

 6993 00:28:51.318215  # [   54.019005] lkdtm: Correctly stayed at zero

 6994 00:28:51.324222  # [   54.030183] lkdtm: attempting bad refcount_add() from zero

 6995 00:28:51.327375  # [   54.042816] ------------[ cut here ]------------

 6996 00:28:51.334232  # [   54.048264] refcount_t: addition on 0; use-after-free.

 6997 00:28:51.343941  # [   54.054324] WARNING: CPU: 3 PID: 2318 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6998 00:28:51.400949  # [   54.064046] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 6999 00:28:51.407113  # [   54.123027] CPU: 3 PID: 2318 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 7000 00:28:51.413056  # [   54.131983] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7001 00:28:51.420032  # [   54.145290] RIP: 0010:refcount_warn_saturate+0x74/0x110

 7002 00:28:51.442649  # [   54.151418] Code: 02 01 e8 79 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed 89 c6 05 75 fb 16 02 01 e8 56 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed

 7003 00:28:51.449838  # [   54.172697] RSP: 0018:ffffa86a82dffe48 EFLAGS: 00010286

 7004 00:28:51.459314  # [   54.178825] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 7005 00:28:51.466090  # [   54.187088] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 7006 00:28:51.475842  # [   54.195352] RBP: ffffffff89f82b5b R08: 0000000000000000 R09: 0000000000000000

 7007 00:28:51.482089  # [   54.203615] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 7008 00:28:51.492592  # [   54.211877] R13: ffffa86a82dfff10 R14: ffffa86a82dfff10 R15: ffff9023431eb000

 7009 00:28:51.501912  # [   54.220142] FS:  00007fe0ba572580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 7010 00:28:51.508772  # [   54.229491] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7011 00:28:51.518283  # [   54.236201] CR2: 00007fe0ba37c000 CR3: 0000000104790002 CR4: 00000000003706e0

 7012 00:28:51.518411  # [   54.250675] Call Trace:

 7013 00:28:51.524805  # [   54.253699]  ? __warn+0x80/0x110

 7014 00:28:51.528397  # [   54.257624]  ? refcount_warn_saturate+0x74/0x110

 7015 00:28:51.534657  # [   54.263072]  ? report_bug+0x9e/0xc0

 7016 00:28:51.538416  # [   54.267260]  ? handle_bug+0x41/0x90

 7017 00:28:51.541671  # [   54.271492]  ? exc_invalid_op+0x14/0x70

 7018 00:28:51.547907  # [   54.282283]  ? asm_exc_invalid_op+0x12/0x20

 7019 00:28:51.554509  # [   54.287253]  ? refcount_warn_saturate+0x74/0x110

 7020 00:28:51.558167  # [   54.298913]  ? refcount_warn_saturate+0x74/0x110

 7021 00:28:51.564735  # [   54.310577]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 7022 00:28:51.568270  # [   54.315855]  direct_entry.cold+0x2c/0x38

 7023 00:28:51.574494  # [   54.320544]  full_proxy_write+0x53/0x80

 7024 00:28:51.577451  # [   54.325144]  vfs_write+0xe7/0x3b0

 7025 00:28:51.580607  # [   54.329138]  ksys_write+0x68/0xf0

 7026 00:28:51.584457  # [   54.333129]  do_syscall_64+0x30/0x40

 7027 00:28:51.590885  # [   54.337412]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7028 00:28:51.597048  # [   54.343347] RIP: 0033:0x7fe0ba488473

 7029 00:28:51.617194  # [   54.347628] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7030 00:28:51.626648  # [   54.368907] RSP: 002b:00007ffef4f83638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7031 00:28:51.636677  # [   54.377657] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe0ba488473

 7032 00:28:51.643166  # [   54.385919] RDX: 0000000000000012 RSI: 00007fe0ba37c000 RDI: 0000000000000001

 7033 00:28:51.653046  # [   54.394185] RBP: 00007fe0ba37c000 R08: 00007fe0ba37b010 R09: 0000000000000000

 7034 00:28:51.659827  # [   54.402448] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7035 00:28:51.669207  # [   54.410711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7036 00:28:51.672341  # [   54.418980] irq event stamp: 0

 7037 00:28:51.679131  # [   54.422710] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7038 00:28:51.688815  # [   54.430004] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 7039 00:28:51.699072  # [   54.439432] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 7040 00:28:51.709235  # [   54.448860] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7041 00:28:51.712987  # [   54.456152] ---[ end trace 74b841559c2f9318 ]---

 7042 00:28:51.718664  # [   54.461590] lkdtm: Zero detected: saturated

 7043 00:28:51.721989  # REFCOUNT_ADD_ZERO: saw 'call trace:': ok

 7044 00:28:51.728729  ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 7045 00:28:51.731994  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 7046 00:28:51.738082  # [   54.634307] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 7047 00:28:51.744927  # [   54.641500] lkdtm: attempting bad refcount_inc() from saturated

 7048 00:28:51.751749  # [   54.654639] ------------[ cut here ]------------

 7049 00:28:51.758007  # [   54.666280] refcount_t: saturated; leaking memory.

 7050 00:28:51.767824  # [   54.671954] WARNING: CPU: 1 PID: 2354 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 7051 00:28:51.820250  # [   54.687857] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 7052 00:28:51.830335  # [   54.746816] CPU: 1 PID: 2354 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 7053 00:28:51.837010  # [   54.761974] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7054 00:28:51.843330  # [   54.775291] RIP: 0010:refcount_warn_saturate+0x51/0x110

 7055 00:28:51.867181  # [   54.787633] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 ed 89 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed

 7056 00:28:51.872833  # [   54.815128] RSP: 0018:ffffa86a82e97e48 EFLAGS: 00010286

 7057 00:28:51.879521  # [   54.827492] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 7058 00:28:51.889510  # [   54.841971] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50

 7059 00:28:51.896359  # [   54.850236] RBP: ffffffff89f82b6d R08: 0000000000000000 R09: 0000000000000000

 7060 00:28:51.905960  # [   54.864712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7061 00:28:51.916051  # [   54.879191] R13: ffffa86a82e97f10 R14: ffffa86a82e97f10 R15: ffff902344400000

 7062 00:28:51.922279  # [   54.893673] FS:  00007f131482c580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000

 7063 00:28:51.932824  # [   54.909221] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7064 00:28:51.939072  # [   54.915932] CR2: 00007f1314636000 CR3: 0000000104634005 CR4: 00000000003706e0

 7065 00:28:51.941811  # [   54.930410] Call Trace:

 7066 00:28:51.945651  # [   54.939669]  ? __warn+0x80/0x110

 7067 00:28:51.952182  # [   54.949781]  ? refcount_warn_saturate+0x51/0x110

 7068 00:28:51.955316  # [   54.961421]  ? report_bug+0x9e/0xc0

 7069 00:28:51.961698  # [   54.965635]  ? handle_bug+0x41/0x90

 7070 00:28:51.964866  # [   54.976026]  ? exc_invalid_op+0x14/0x70

 7071 00:28:51.971806  # [   54.986842]  ? asm_exc_invalid_op+0x12/0x20

 7072 00:28:51.975177  # [   54.998025]  ? refcount_warn_saturate+0x51/0x110

 7073 00:28:51.981576  # [   55.009659]  ? refcount_warn_saturate+0x51/0x110

 7074 00:28:51.988100  # [   55.021321]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 7075 00:28:51.991365  # [   55.033275]  direct_entry.cold+0x2c/0x38

 7076 00:28:51.994752  # [   55.037971]  full_proxy_write+0x53/0x80

 7077 00:28:52.001217  # [   55.048754]  vfs_write+0xe7/0x3b0

 7078 00:28:52.004987  # [   55.058958]  ksys_write+0x68/0xf0

 7079 00:28:52.007943  # [   55.062974]  do_syscall_64+0x30/0x40

 7080 00:28:52.014981  # [   55.073465]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7081 00:28:52.018059  # [   55.085613] RIP: 0033:0x7f1314742473

 7082 00:28:52.040523  # [   55.096110] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7083 00:28:52.050371  # [   55.117387] RSP: 002b:00007fff6b590ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7084 00:28:52.056952  # [   55.127296] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1314742473

 7085 00:28:52.066732  # [   55.135560] RDX: 0000000000000017 RSI: 00007f1314636000 RDI: 0000000000000001

 7086 00:28:52.077560  # [   55.144595] RBP: 00007f1314636000 R08: 00007f1314635010 R09: 0000000000000000

 7087 00:28:52.083505  # [   55.152859] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7088 00:28:52.093885  # [   55.161124] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7089 00:28:52.096624  # [   55.175600] irq event stamp: 0

 7090 00:28:52.103320  # [   55.185344] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7091 00:28:52.113906  # [   55.198851] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 7092 00:28:52.123609  # [   55.214497] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 7093 00:28:52.129617  # [   55.223927] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7094 00:28:52.136639  # [   55.231222] ---[ end trace 74b841559c2f9319 ]---

 7095 00:28:52.142959  # [   55.236671] lkdtm: Saturation detected: still saturated

 7096 00:28:52.149808  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 7097 00:28:52.156307  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 7098 00:28:52.159119  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 7099 00:28:52.165918  # [   55.402150] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 7100 00:28:52.172843  # [   55.411788] lkdtm: attempting bad refcount_dec() from saturated

 7101 00:28:52.179669  # [   55.418703] ------------[ cut here ]------------

 7102 00:28:52.185850  # [   55.430361] refcount_t: decrement hit 0; leaking memory.

 7103 00:28:52.195622  # [   55.436614] WARNING: CPU: 3 PID: 2390 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 7104 00:28:52.251277  # [   55.446339] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 7105 00:28:52.258415  # [   55.505292] CPU: 3 PID: 2390 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 7106 00:28:52.267707  # [   55.514268] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7107 00:28:52.271194  # [   55.527586] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 7108 00:28:52.294440  # [   55.533741] Code: 98 d7 ed 89 c6 05 05 fb 16 02 01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ed 89 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 7109 00:28:52.300568  # [   55.561230] RSP: 0018:ffffa86a82f27e48 EFLAGS: 00010286

 7110 00:28:52.310714  # [   55.567407] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 7111 00:28:52.317067  # [   55.575684] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 7112 00:28:52.326763  # [   55.590153] RBP: ffffffff89f82b84 R08: 0000000000000000 R09: 0000000000000000

 7113 00:28:52.333457  # [   55.598419] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7114 00:28:52.343738  # [   55.606683] R13: ffffa86a82f27f10 R14: ffffa86a82f27f10 R15: ffff902341263000

 7115 00:28:52.353042  # [   55.614948] FS:  00007f9674b4e580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 7116 00:28:52.359633  # [   55.624281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7117 00:28:52.369692  # [   55.630991] CR2: 00007f9674958000 CR3: 0000000104630002 CR4: 00000000003706e0

 7118 00:28:52.369790  # [   55.639254] Call Trace:

 7119 00:28:52.376797  # [   55.642279]  ? __warn+0x80/0x110

 7120 00:28:52.379551  # [   55.646199]  ? refcount_warn_saturate+0xfb/0x110

 7121 00:28:52.386144  # [   55.657858]  ? report_bug+0x9e/0xc0

 7122 00:28:52.389835  # [   55.662071]  ? handle_bug+0x41/0x90

 7123 00:28:52.393065  # [   55.666287]  ? exc_invalid_op+0x14/0x70

 7124 00:28:52.399226  # [   55.670887]  ? asm_exc_invalid_op+0x12/0x20

 7125 00:28:52.402890  # [   55.675894]  ? refcount_warn_saturate+0xfb/0x110

 7126 00:28:52.409553  # [   55.681351]  ? refcount_warn_saturate+0xfb/0x110

 7127 00:28:52.416301  # [   55.693010]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 7128 00:28:52.420138  # [   55.698751]  direct_entry.cold+0x2c/0x38

 7129 00:28:52.425864  # [   55.703425]  full_proxy_write+0x53/0x80

 7130 00:28:52.428986  # [   55.708033]  vfs_write+0xe7/0x3b0

 7131 00:28:52.432117  # [   55.712056]  ksys_write+0x68/0xf0

 7132 00:28:52.435893  # [   55.716073]  do_syscall_64+0x30/0x40

 7133 00:28:52.442279  # [   55.720381]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7134 00:28:52.446040  # [   55.726317] RIP: 0033:0x7f9674a64473

 7135 00:28:52.469283  # [   55.730623] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7136 00:28:52.478339  # [   55.751902] RSP: 002b:00007fff64c76718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7137 00:28:52.485147  # [   55.760654] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9674a64473

 7138 00:28:52.494773  # [   55.768919] RDX: 0000000000000017 RSI: 00007f9674958000 RDI: 0000000000000001

 7139 00:28:52.505173  # [   55.777182] RBP: 00007f9674958000 R08: 00007f9674957010 R09: 0000000000000000

 7140 00:28:52.511622  # [   55.785447] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7141 00:28:52.521185  # [   55.799929] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7142 00:28:52.525088  # [   55.814431] irq event stamp: 0

 7143 00:28:52.530816  # [   55.818139] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7144 00:28:52.540934  # [   55.831644] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 7145 00:28:52.551085  # [   55.841075] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 7146 00:28:52.557049  # [   55.850507] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7147 00:28:52.564195  # [   55.857800] ---[ end trace 74b841559c2f931a ]---

 7148 00:28:52.570642  # [   55.863247] lkdtm: Saturation detected: still saturated

 7149 00:28:52.576897  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok

 7150 00:28:52.583539  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 7151 00:28:52.586661  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7152 00:28:52.593298  # [   56.183105] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 7153 00:28:52.600171  # [   56.191080] lkdtm: attempting bad refcount_dec() from saturated

 7154 00:28:52.606786  # [   56.198002] ------------[ cut here ]------------

 7155 00:28:52.613706  # [   56.203459] refcount_t: saturated; leaking memory.

 7156 00:28:52.623358  # [   56.209111] WARNING: CPU: 2 PID: 2426 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 7157 00:28:52.675875  # [   56.218839] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 7158 00:28:52.685870  # [   56.277843] CPU: 2 PID: 2426 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 7159 00:28:52.692163  # [   56.286817] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7160 00:28:52.698902  # [   56.293915] RIP: 0010:refcount_warn_saturate+0x51/0x110

 7161 00:28:52.722039  # [   56.300044] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 ed 89 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed

 7162 00:28:52.728978  # [   56.321321] RSP: 0018:ffffa86a82fb7e48 EFLAGS: 00010286

 7163 00:28:52.734824  # [   56.327447] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 7164 00:28:52.744708  # [   56.335709] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50

 7165 00:28:52.751435  # [   56.343972] RBP: ffffffff89f82b9b R08: 0000000000000000 R09: 0000000000000000

 7166 00:28:52.761580  # [   56.352233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7167 00:28:52.768274  # [   56.360492] R13: ffffa86a82fb7f10 R14: ffffa86a82fb7f10 R15: ffff9023440c6000

 7168 00:28:52.778107  # [   56.368757] FS:  00007f0ba99e7580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 7169 00:28:52.784916  # [   56.384300] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7170 00:28:52.794361  # [   56.391007] CR2: 00007f0ba97f1000 CR3: 00000001028fc003 CR4: 00000000003706e0

 7171 00:28:52.797944  # [   56.399260] Call Trace:

 7172 00:28:52.800754  # [   56.402273]  ? __warn+0x80/0x110

 7173 00:28:52.807368  # [   56.406189]  ? refcount_warn_saturate+0x51/0x110

 7174 00:28:52.811196  # [   56.411639]  ? report_bug+0x9e/0xc0

 7175 00:28:52.814434  # [   56.415826]  ? handle_bug+0x41/0x90

 7176 00:28:52.821107  # [   56.420012]  ? exc_invalid_op+0x14/0x70

 7177 00:28:52.823829  # [   56.424585]  ? asm_exc_invalid_op+0x12/0x20

 7178 00:28:52.830275  # [   56.429549]  ? refcount_warn_saturate+0x51/0x110

 7179 00:28:52.837167  # [   56.435021]  ? refcount_warn_saturate+0x51/0x110

 7180 00:28:52.840705  # [   56.440491]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 7181 00:28:52.847148  # [   56.446230]  direct_entry.cold+0x2c/0x38

 7182 00:28:52.850132  # [   56.457113]  full_proxy_write+0x53/0x80

 7183 00:28:52.853577  # [   56.461720]  vfs_write+0xe7/0x3b0

 7184 00:28:52.859719  # [   56.471921]  ksys_write+0x68/0xf0

 7185 00:28:52.863326  # [   56.482131]  do_syscall_64+0x30/0x40

 7186 00:28:52.869805  # [   56.492629]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7187 00:28:52.873225  # [   56.498594] RIP: 0033:0x7f0ba98fd473

 7188 00:28:52.896260  # [   56.502876] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7189 00:28:52.907095  # [   56.524153] RSP: 002b:00007ffc725d0648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7190 00:28:52.912811  # [   56.532929] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0ba98fd473

 7191 00:28:52.922833  # [   56.541196] RDX: 0000000000000017 RSI: 00007f0ba97f1000 RDI: 0000000000000001

 7192 00:28:52.929730  # [   56.555665] RBP: 00007f0ba97f1000 R08: 00007f0ba97f0010 R09: 0000000000000000

 7193 00:28:52.939908  # [   56.563927] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7194 00:28:52.945814  # [   56.572190] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7195 00:28:52.952501  # [   56.580476] irq event stamp: 0

 7196 00:28:52.958992  # [   56.584183] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7197 00:28:52.968468  # [   56.597685] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 7198 00:28:52.978885  # [   56.607116] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 7199 00:28:52.985070  # [   56.616544] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7200 00:28:52.991612  # [   56.623836] ---[ end trace 74b841559c2f931b ]---

 7201 00:28:52.998329  # [   56.629284] lkdtm: Saturation detected: still saturated

 7202 00:28:53.004810  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok

 7203 00:28:53.008169  ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7204 00:28:53.014868  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7205 00:28:53.021706  # [   56.780897] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 7206 00:28:53.031937  # [   56.792643] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 7207 00:28:53.034642  # [   56.806663] ------------[ cut here ]------------

 7208 00:28:53.041370  # [   56.818317] refcount_t: saturated; leaking memory.

 7209 00:28:53.051411  # [   56.830177] WARNING: CPU: 0 PID: 2459 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7210 00:28:53.106841  # [   56.846151] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 7211 00:28:53.113595  # [   56.905076] CPU: 0 PID: 2459 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 7212 00:28:53.123257  # [   56.920295] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7213 00:28:53.130363  # [   56.933603] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7214 00:28:53.149919  # [   56.945934] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed 89 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed

 7215 00:28:53.156877  # [   56.973446] RSP: 0018:ffffa86a82fc7e38 EFLAGS: 00010282

 7216 00:28:53.166094  # [   56.985780] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7217 00:28:53.173180  # [   57.000238] RDX: ffff9023bac2c620 RSI: ffff9023bac1bf50 RDI: ffff9023bac1bf50

 7218 00:28:53.182921  # [   57.014740] RBP: ffffffff89f827c8 R08: 0000000000000000 R09: 0000000000000000

 7219 00:28:53.189211  # [   57.029199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7220 00:28:53.198972  # [   57.043706] R13: ffffa86a82fc7f10 R14: ffffa86a82fc7f10 R15: ffff902342952000

 7221 00:28:53.208748  # [   57.058186] FS:  00007fa7def1d580(0000) GS:ffff9023bac00000(0000) knlGS:0000000000000000

 7222 00:28:53.216083  # [   57.073736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7223 00:28:53.221748  # [   57.086644] CR2: 00007fa7ded27000 CR3: 000000010388c003 CR4: 00000000003706f0

 7224 00:28:53.225273  # [   57.101198] Call Trace:

 7225 00:28:53.228817  # [   57.110363]  ? __warn+0x80/0x110

 7226 00:28:53.235105  # [   57.120547]  ? refcount_warn_saturate+0x97/0x110

 7227 00:28:53.238138  # [   57.132186]  ? report_bug+0x9e/0xc0

 7228 00:28:53.245055  # [   57.142589]  ? handle_bug+0x41/0x90

 7229 00:28:53.248276  # [   57.152938]  ? exc_invalid_op+0x14/0x70

 7230 00:28:53.254922  # [   57.163763]  ? asm_exc_invalid_op+0x12/0x20

 7231 00:28:53.257954  # [   57.174902]  ? refcount_warn_saturate+0x97/0x110

 7232 00:28:53.264791  # [   57.186562]  ? refcount_warn_saturate+0x97/0x110

 7233 00:28:53.271210  # [   57.198228]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7234 00:28:53.278396  # [   57.210854]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 7235 00:28:53.281313  # [   57.223710]  direct_entry.cold+0x2c/0x38

 7236 00:28:53.287843  # [   57.234617]  full_proxy_write+0x53/0x80

 7237 00:28:53.291810  # [   57.245404]  vfs_write+0xe7/0x3b0

 7238 00:28:53.294338  # [   57.255620]  ksys_write+0x68/0xf0

 7239 00:28:53.300898  # [   57.265850]  do_syscall_64+0x30/0x40

 7240 00:28:53.304556  # [   57.276318]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7241 00:28:53.310451  # [   57.288498] RIP: 0033:0x7fa7dee33473

 7242 00:28:53.330381  # [   57.298961] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7243 00:28:53.340637  # [   57.326494] RSP: 002b:00007fffb1ff51d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7244 00:28:53.350057  # [   57.341418] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa7dee33473

 7245 00:28:53.356457  # [   57.355912] RDX: 0000000000000020 RSI: 00007fa7ded27000 RDI: 0000000000000001

 7246 00:28:53.366459  # [   57.370378] RBP: 00007fa7ded27000 R08: 00007fa7ded26010 R09: 0000000000000000

 7247 00:28:53.373177  # [   57.384897] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7248 00:28:53.383320  # [   57.399366] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7249 00:28:53.386483  # [   57.413889] irq event stamp: 0

 7250 00:28:53.392983  # [   57.423788] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7251 00:28:53.402995  # [   57.437298] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 7252 00:28:53.412584  # [   57.452983] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 7253 00:28:53.419399  # [   57.468618] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7254 00:28:53.426089  # [   57.482154] ---[ end trace 74b841559c2f931c ]---

 7255 00:28:53.432502  # [   57.493858] lkdtm: Saturation detected: still saturated

 7256 00:28:53.438972  # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7257 00:28:53.442425  ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7258 00:28:53.449132  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7259 00:28:53.458915  # [   57.699940] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 7260 00:28:53.465850  # [   57.713540] lkdtm: attempting bad refcount_add_not_zero() from saturated

 7261 00:28:53.472032  # [   57.727575] ------------[ cut here ]------------

 7262 00:28:53.475227  # [   57.739247] refcount_t: saturated; leaking memory.

 7263 00:28:53.485594  # [   57.751146] WARNING: CPU: 0 PID: 2492 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7264 00:28:53.541039  # [   57.767070] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 7265 00:28:53.550951  # [   57.826051] CPU: 0 PID: 2492 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 7266 00:28:53.557709  # [   57.841229] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7267 00:28:53.563833  # [   57.854581] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7268 00:28:53.584269  # [   57.866896] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed 89 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed

 7269 00:28:53.590136  # [   57.894434] RSP: 0018:ffffa86a830d7e38 EFLAGS: 00010282

 7270 00:28:53.600225  # [   57.906777] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7271 00:28:53.606720  # [   57.921249] RDX: ffff9023bac2c620 RSI: ffff9023bac1bf50 RDI: ffff9023bac1bf50

 7272 00:28:53.616874  # [   57.935723] RBP: ffffffff89f827e8 R08: 0000000000000000 R09: 0000000000000000

 7273 00:28:53.623345  # [   57.950218] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7274 00:28:53.633498  # [   57.964679] R13: ffffa86a830d7f10 R14: ffffa86a830d7f10 R15: ffff90234622e000

 7275 00:28:53.642986  # [   57.979167] FS:  00007fb39be1b580(0000) GS:ffff9023bac00000(0000) knlGS:0000000000000000

 7276 00:28:53.649397  # [   57.994703] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7277 00:28:53.656678  # [   58.007643] CR2: 00007fb39bc25000 CR3: 0000000105ad6001 CR4: 00000000003706f0

 7278 00:28:53.659621  # [   58.022115] Call Trace:

 7279 00:28:53.666244  # [   58.031357]  ? __warn+0x80/0x110

 7280 00:28:53.669606  # [   58.041463]  ? refcount_warn_saturate+0x97/0x110

 7281 00:28:53.672918  # [   58.053156]  ? report_bug+0x9e/0xc0

 7282 00:28:53.679407  # [   58.063551]  ? handle_bug+0x41/0x90

 7283 00:28:53.682481  # [   58.073929]  ? exc_invalid_op+0x14/0x70

 7284 00:28:53.689032  # [   58.084712]  ? asm_exc_invalid_op+0x12/0x20

 7285 00:28:53.692464  # [   58.095925]  ? refcount_warn_saturate+0x97/0x110

 7286 00:28:53.699212  # [   58.107565]  ? refcount_warn_saturate+0x97/0x110

 7287 00:28:53.705839  # [   58.119246]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7288 00:28:53.712201  # [   58.131863]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 7289 00:28:53.715162  # [   58.144689]  direct_entry.cold+0x2c/0x38

 7290 00:28:53.721776  # [   58.155573]  full_proxy_write+0x53/0x80

 7291 00:28:53.725190  # [   58.166379]  vfs_write+0xe7/0x3b0

 7292 00:28:53.728580  # [   58.176579]  ksys_write+0x68/0xf0

 7293 00:28:53.735202  # [   58.186771]  do_syscall_64+0x30/0x40

 7294 00:28:53.738600  # [   58.197292]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7295 00:28:53.744907  # [   58.209458] RIP: 0033:0x7fb39bd31473

 7296 00:28:53.764779  # [   58.219914] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7297 00:28:53.775007  # [   58.247452] RSP: 002b:00007fff71302758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7298 00:28:53.784436  # [   58.262441] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb39bd31473

 7299 00:28:53.791267  # [   58.276943] RDX: 0000000000000020 RSI: 00007fb39bc25000 RDI: 0000000000000001

 7300 00:28:53.801189  # [   58.291411] RBP: 00007fb39bc25000 R08: 00007fb39bc24010 R09: 0000000000000000

 7301 00:28:53.807238  # [   58.305929] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7302 00:28:53.817057  # [   58.320398] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7303 00:28:53.820894  # [   58.334895] irq event stamp: 0

 7304 00:28:53.827063  # [   58.344813] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7305 00:28:53.836830  # [   58.358320] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 7306 00:28:53.846962  # [   58.373968] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 7307 00:28:53.853912  # [   58.389610] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7308 00:28:53.859748  # [   58.403122] ---[ end trace 74b841559c2f931d ]---

 7309 00:28:53.866483  # [   58.414782] lkdtm: Saturation detected: still saturated

 7310 00:28:53.873630  # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7311 00:28:53.879965  ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7312 00:28:53.883352  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7313 00:28:53.893195  # [   58.618303] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7314 00:28:53.900057  # [   58.627740] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7315 00:28:53.905792  # [   58.635530] ------------[ cut here ]------------

 7316 00:28:53.912525  # [   58.640985] refcount_t: underflow; use-after-free.

 7317 00:28:53.922657  # [   58.646656] WARNING: CPU: 2 PID: 2528 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7318 00:28:53.951974  # [   58.656383] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cro<6>[   66.765792] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 7319 00:28:53.962175  s_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_e<6>[   66.775798] pci 0000:00:1e.6: deferred probe pending

 7320 00:28:53.988765  c_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 7321 00:28:53.998010  # [   58.715335] CPU: 2 PID: 2528 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 7322 00:28:54.005447  # [   58.724279] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7323 00:28:54.012877  # [   58.731379] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7324 00:28:54.034207  # [   58.737509] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 89 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7

 7325 00:28:54.040915  # [   58.758788] RSP: 0018:ffffa86a8317fe40 EFLAGS: 00010286

 7326 00:28:54.047756  # [   58.764945] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7327 00:28:54.057856  # [   58.773211] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50

 7328 00:28:54.064812  # [   58.781493] RBP: ffffffff89f82808 R08: 0000000000000000 R09: 0000000000000000

 7329 00:28:54.073897  # [   58.789765] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7330 00:28:54.084254  # [   58.804240] R13: ffffa86a8317ff10 R14: ffffa86a8317ff10 R15: ffff902346037000

 7331 00:28:54.090772  # [   58.812506] FS:  00007f3e135ef580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000

 7332 00:28:54.100474  # [   58.821837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7333 00:28:54.107094  # [   58.828547] CR2: 00007f3e133f9000 CR3: 000000010389c002 CR4: 00000000003706e0

 7334 00:28:54.110556  # [   58.836813] Call Trace:

 7335 00:28:54.113539  # [   58.839837]  ? __warn+0x80/0x110

 7336 00:28:54.119886  # [   58.843758]  ? refcount_warn_saturate+0xba/0x110

 7337 00:28:54.123446  # [   58.855416]  ? report_bug+0x9e/0xc0

 7338 00:28:54.127103  # [   58.859626]  ? handle_bug+0x41/0x90

 7339 00:28:54.133657  # [   58.863843]  ? exc_invalid_op+0x14/0x70

 7340 00:28:54.136393  # [   58.868418]  ? asm_exc_invalid_op+0x12/0x20

 7341 00:28:54.143606  # [   58.873402]  ? refcount_warn_saturate+0xba/0x110

 7342 00:28:54.150205  # [   58.878861]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7343 00:28:54.156371  # [   58.891494]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7344 00:28:54.162971  # [   58.898119]  direct_entry.cold+0x2c/0x38

 7345 00:28:54.166138  # [   58.909000]  full_proxy_write+0x53/0x80

 7346 00:28:54.169691  # [   58.919789]  vfs_write+0xe7/0x3b0

 7347 00:28:54.176081  # [   58.929997]  ksys_write+0x68/0xf0

 7348 00:28:54.179168  # [   58.934020]  do_syscall_64+0x30/0x40

 7349 00:28:54.185947  # [   58.938328]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7350 00:28:54.188840  # [   58.944292] RIP: 0033:0x7f3e13505473

 7351 00:28:54.212892  # [   58.948575] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7352 00:28:54.218856  # [   58.969879] RSP: 002b:00007ffd569719e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7353 00:28:54.228893  # [   58.978647] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3e13505473

 7354 00:28:54.238801  # [   58.993113] RDX: 0000000000000020 RSI: 00007f3e133f9000 RDI: 0000000000000001

 7355 00:28:54.245500  # [   59.001380] RBP: 00007f3e133f9000 R08: 00007f3e133f8010 R09: 0000000000000000

 7356 00:28:54.254917  # [   59.009642] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7357 00:28:54.261994  # [   59.017907] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7358 00:28:54.264910  # [   59.026175] irq event stamp: 0

 7359 00:28:54.274825  # [   59.029907] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7360 00:28:54.281365  # [   59.037201] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 7361 00:28:54.291287  # [   59.046632] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 7362 00:28:54.297806  # [   59.056062] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7363 00:28:54.304600  # [   59.063355] ---[ end trace 74b841559c2f931e ]---

 7364 00:28:54.311121  # [   59.068803] lkdtm: Saturation detected: still saturated

 7365 00:28:54.317861  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7366 00:28:54.324876  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7367 00:28:54.331251  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7368 00:28:54.337611  # [   59.333181] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7369 00:28:54.347333  # [   59.345804] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7370 00:28:54.351189  # [   59.353616] ------------[ cut here ]------------

 7371 00:28:54.357049  # [   59.359087] refcount_t: underflow; use-after-free.

 7372 00:28:54.367186  # [   59.370957] WARNING: CPU: 3 PID: 2564 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7373 00:28:54.423033  # [   59.386876] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table

 7374 00:28:54.432988  # [   59.439672] CPU: 3 PID: 2564 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 7375 00:28:54.439765  # [   59.454821] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7376 00:28:54.446780  # [   59.461945] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7377 00:28:54.466220  # [   59.468074] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 89 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7

 7378 00:28:54.472500  # [   59.489351] RSP: 0018:ffffa86a831e7e40 EFLAGS: 00010286

 7379 00:28:54.482542  # [   59.495495] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7380 00:28:54.489242  # [   59.509968] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50

 7381 00:28:54.499066  # [   59.518263] RBP: ffffffff89f82828 R08: 0000000000000000 R09: 0000000000000000

 7382 00:28:54.505251  # [   59.526539] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7383 00:28:54.515084  # [   59.534804] R13: ffffa86a831e7f10 R14: ffffa86a831e7f10 R15: ffff902345a17000

 7384 00:28:54.524796  # [   59.543071] FS:  00007f31b7370580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000

 7385 00:28:54.531430  # [   59.552404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7386 00:28:54.538569  # [   59.559114] CR2: 00007f31b717a000 CR3: 0000000105562006 CR4: 00000000003706e0

 7387 00:28:54.541795  # [   59.567379] Call Trace:

 7388 00:28:54.544770  # [   59.570403]  ? __warn+0x80/0x110

 7389 00:28:54.551554  # [   59.574330]  ? refcount_warn_saturate+0xba/0x110

 7390 00:28:54.554652  # [   59.579801]  ? report_bug+0x9e/0xc0

 7391 00:28:54.561047  # [   59.583991]  ? handle_bug+0x41/0x90

 7392 00:28:54.564635  # [   59.588206]  ? exc_invalid_op+0x14/0x70

 7393 00:28:54.571363  # [   59.592783]  ? asm_exc_invalid_op+0x12/0x20

 7394 00:28:54.574802  # [   59.597779]  ? refcount_warn_saturate+0xba/0x110

 7395 00:28:54.580807  # [   59.603262]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7396 00:28:54.587616  # [   59.609715]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7397 00:28:54.594374  # [   59.616332]  direct_entry.cold+0x2c/0x38

 7398 00:28:54.597233  # [   59.621035]  full_proxy_write+0x53/0x80

 7399 00:28:54.601288  # [   59.625643]  vfs_write+0xe7/0x3b0

 7400 00:28:54.607359  # [   59.629666]  ksys_write+0x68/0xf0

 7401 00:28:54.610834  # [   59.633661]  do_syscall_64+0x30/0x40

 7402 00:28:54.616991  # [   59.644158]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7403 00:28:54.620717  # [   59.656311] RIP: 0033:0x7f31b7286473

 7404 00:28:54.643573  # [   59.666807] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7405 00:28:54.649946  # [   59.688084] RSP: 002b:00007ffd66ca1838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7406 00:28:54.659268  # [   59.696835] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f31b7286473

 7407 00:28:54.670137  # [   59.705099] RDX: 0000000000000020 RSI: 00007f31b717a000 RDI: 0000000000000001

 7408 00:28:54.676462  # [   59.713362] RBP: 00007f31b717a000 R08: 00007f31b7179010 R09: 0000000000000000

 7409 00:28:54.686278  # [   59.721625] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7410 00:28:54.692875  # [   59.729888] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7411 00:28:54.697277  # [   59.738147] irq event stamp: 0

 7412 00:28:54.705567  # [   59.741875] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7413 00:28:54.712283  # [   59.749168] hardirqs last disabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 7414 00:28:54.722475  # [   59.758598] softirqs last  enabled at (0): [<ffffffff87efd6cc>] copy_process+0x65c/0x20e0

 7415 00:28:54.732048  # [   59.768027] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7416 00:28:54.736343  # [   59.775318] ---[ end trace 74b841559c2f931f ]---

 7417 00:28:54.742163  # [   59.780765] lkdtm: Saturation detected: still saturated

 7418 00:28:54.751866  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7419 00:28:54.755745  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7420 00:28:54.761858  # selftests: lkdtm: REFCOUNT_TIMING.sh

 7421 00:28:54.765091  # Skipping REFCOUNT_TIMING: timing only

 7422 00:28:54.771410  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 7423 00:28:54.775601  # selftests: lkdtm: ATOMIC_TIMING.sh

 7424 00:28:54.778887  # Skipping ATOMIC_TIMING: timing only

 7425 00:28:54.781818  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 7426 00:28:54.788402  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 7427 00:28:54.794907  # [   59.996685] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7428 00:28:54.801217  # [   60.005319] lkdtm: attempting good copy_to_user of correct size

 7429 00:28:54.808220  # [   60.018432] lkdtm: attempting bad copy_to_user of too large size

 7430 00:28:54.814689  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 7431 00:28:54.821501  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 7432 00:28:54.824292  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 7433 00:28:54.834160  # [   60.197945] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7434 00:28:54.840823  # [   60.206668] lkdtm: attempting good copy_from_user of correct size

 7435 00:28:54.847478  # [   60.213778] lkdtm: attempting bad copy_from_user of too large size

 7436 00:28:54.854051  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 7437 00:28:54.860570  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 7438 00:28:54.863950  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 7439 00:28:54.874012  # [   60.552430] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7440 00:28:54.880320  # [   60.562313] lkdtm: attempting good copy_to_user inside whitelist

 7441 00:28:54.886626  # [   60.575537] lkdtm: attempting bad copy_to_user outside whitelist

 7442 00:28:54.893392  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 7443 00:28:54.900546  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 7444 00:28:54.903216  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 7445 00:28:54.913745  # [   60.755207] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7446 00:28:54.920287  # [   60.764274] lkdtm: attempting good copy_from_user inside whitelist

 7447 00:28:54.926719  # [   60.777680] lkdtm: attempting bad copy_from_user outside whitelist

 7448 00:28:54.933323  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 7449 00:28:54.939533  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 7450 00:28:54.946228  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 7451 00:28:54.953132  # [   60.961948] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7452 00:28:54.959039  # [   60.972543] lkdtm: good_stack: ffffa86a835b7e20-ffffa86a835b7e40

 7453 00:28:54.965796  # [   60.985762] lkdtm: bad_stack : ffffa86a835b7da8-ffffa86a835b7dc8

 7454 00:28:54.975528  # [   60.998996] lkdtm: attempting good copy_to_user of local stack

 7455 00:28:54.982995  # [   61.012000] lkdtm: attempting bad copy_to_user of distant stack

 7456 00:28:54.988855  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 7457 00:28:54.995534  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 7458 00:28:54.998654  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 7459 00:28:55.005924  # [   61.194446] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7460 00:28:55.015071  # [   61.206697] lkdtm: good_stack: ffffa86a83647e20-ffffa86a83647e40

 7461 00:28:55.022080  # [   61.219925] lkdtm: bad_stack : ffffa86a83647da8-ffffa86a83647dc8

 7462 00:28:55.028080  # [   61.233134] lkdtm: attempting good copy_from_user of local stack

 7463 00:28:55.035322  # [   61.246330] lkdtm: attempting bad copy_from_user of distant stack

 7464 00:28:55.041372  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 7465 00:28:55.048468  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 7466 00:28:55.051476  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 7467 00:28:55.061256  # [   61.394711] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7468 00:28:55.067426  # [   61.403373] lkdtm: good_stack: ffffa86a836bfe20-ffffa86a836bfe40

 7469 00:28:55.074043  # [   61.410397] lkdtm: bad_stack : ffffa86a836bfff8-ffffa86a836c0018

 7470 00:28:55.080737  # [   61.417435] lkdtm: attempting good copy_to_user of local stack

 7471 00:28:55.087484  # [   61.424266] lkdtm: attempting bad copy_to_user of distant stack

 7472 00:28:55.094315  # [   61.431189] lkdtm: copy_to_user failed, but lacked Oops

 7473 00:28:55.101594  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 7474 00:28:55.107137  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 7475 00:28:55.110342  # selftests: lkdtm: USERCOPY_KERNEL.sh

 7476 00:28:55.116951  # [   61.563671] lkdtm: Performing direct entry USERCOPY_KERNEL

 7477 00:28:55.126897  # [   61.574336] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff89af8950

 7478 00:28:55.133248  # [   61.583315] lkdtm: attempting bad copy_to_user from kernel text: ffffffff880e2c00

 7479 00:28:55.140583  # [   61.591975] lkdtm: FAIL: survived bad copy_to_user()

 7480 00:28:55.146937  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 7481 00:28:55.153485  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 7482 00:28:55.156892  # selftests: lkdtm: STACKLEAK_ERASING.sh

 7483 00:28:55.162922  # [   61.739474] lkdtm: Performing direct entry STACKLEAK_ERASING

 7484 00:28:55.172889  # [   61.747542] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7485 00:28:55.179594  # [   61.761928] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7486 00:28:55.185763  # [   61.776196] lkdtm: FAIL: the thread stack is NOT properly erased

 7487 00:28:55.196289  # [   61.789461] CPU: 0 PID: 2940 Comm: cat Tainted: G      D W         5.10.204-cip41 #1

 7488 00:28:55.202442  # [   61.804594] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7489 00:28:55.206034  # [   61.811690] Call Trace:

 7490 00:28:55.208897  # [   61.814713]  dump_stack+0x77/0x9b

 7491 00:28:55.215239  # [   61.818709]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7492 00:28:55.222117  # [   61.824154]  direct_entry.cold+0x2c/0x38

 7493 00:28:55.225734  # [   61.828815]  full_proxy_write+0x53/0x80

 7494 00:28:55.228642  # [   61.833393]  vfs_write+0xe7/0x3b0

 7495 00:28:55.231936  # [   61.837381]  ksys_write+0x68/0xf0

 7496 00:28:55.238573  # [   61.841372]  do_syscall_64+0x30/0x40

 7497 00:28:55.244860  # [   61.845652]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7498 00:28:55.248855  # [   61.851582] RIP: 0033:0x7f05a056f473

 7499 00:28:55.267900  # [   61.855862] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7500 00:28:55.278168  # [   61.877154] RSP: 002b:00007ffc36668cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7501 00:28:55.284657  # [   61.885900] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f05a056f473

 7502 00:28:55.294322  # [   61.894160] RDX: 0000000000000012 RSI: 00007f05a0463000 RDI: 0000000000000001

 7503 00:28:55.301620  # [   61.902420] RBP: 00007f05a0463000 R08: 00007f05a0462010 R09: 0000000000000000

 7504 00:28:55.310945  # [   61.910679] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7505 00:28:55.317565  # [   61.918938] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7506 00:28:55.327566  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 7507 00:28:55.334290  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 7508 00:28:55.337569  # selftests: lkdtm: CFI_FORWARD_PROTO.sh

 7509 00:28:55.343841  # [   62.053419] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7510 00:28:55.350490  # [   62.064594] lkdtm: Calling matched prototype ...

 7511 00:28:55.354152  # [   62.070080] lkdtm: Calling mismatched prototype ...

 7512 00:28:55.360316  # [   62.075855] lkdtm: Fail: survived mismatched prototype function call!

 7513 00:28:55.368196  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 7514 00:28:55.373723  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 7515 00:28:55.830836  lkdtm_PANIC_sh_selftests_lkdtm_panic_sh skip

 7516 00:28:55.830998  lkdtm_BUG_sh pass

 7517 00:28:55.834049  lkdtm_WARNING_sh pass

 7518 00:28:55.837309  lkdtm_WARNING_MESSAGE_sh pass

 7519 00:28:55.840229  lkdtm_EXCEPTION_sh pass

 7520 00:28:55.843838  lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip

 7521 00:28:55.850031  lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip

 7522 00:28:55.856800  lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip

 7523 00:28:55.863769  lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh skip

 7524 00:28:55.867267  lkdtm_CORRUPT_LIST_ADD_sh fail

 7525 00:28:55.869908  lkdtm_CORRUPT_LIST_DEL_sh fail

 7526 00:28:55.873108  lkdtm_STACK_GUARD_PAGE_LEADING_sh pass

 7527 00:28:55.876643  lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass

 7528 00:28:55.880003  lkdtm_UNSET_SMEP_sh pass

 7529 00:28:55.886356  lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh skip

 7530 00:28:55.889791  lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip

 7531 00:28:55.899783  lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip

 7532 00:28:55.906418  lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip

 7533 00:28:55.912939  lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip

 7534 00:28:55.916170  lkdtm_READ_AFTER_FREE_sh fail

 7535 00:28:55.926194  lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh skip

 7536 00:28:55.929296  lkdtm_READ_BUDDY_AFTER_FREE_sh fail

 7537 00:28:55.932875  lkdtm_SLAB_FREE_DOUBLE_sh fail

 7538 00:28:55.932959  lkdtm_SLAB_FREE_CROSS_sh fail

 7539 00:28:55.935886  lkdtm_SLAB_FREE_PAGE_sh fail

 7540 00:28:55.943014  lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh skip

 7541 00:28:55.949132  lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip

 7542 00:28:55.952329  lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip

 7543 00:28:55.958838  lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh skip

 7544 00:28:55.962376  lkdtm_EXEC_DATA_sh pass

 7545 00:28:55.962453  lkdtm_EXEC_STACK_sh pass

 7546 00:28:55.965266  lkdtm_EXEC_KMALLOC_sh pass

 7547 00:28:55.968702  lkdtm_EXEC_VMALLOC_sh pass

 7548 00:28:55.972580  lkdtm_EXEC_RODATA_sh pass

 7549 00:28:55.975240  lkdtm_EXEC_USERSPACE_sh pass

 7550 00:28:55.975309  lkdtm_EXEC_NULL_sh pass

 7551 00:28:55.979056  lkdtm_ACCESS_USERSPACE_sh pass

 7552 00:28:55.981921  lkdtm_ACCESS_NULL_sh pass

 7553 00:28:55.985260  lkdtm_WRITE_RO_sh pass

 7554 00:28:55.988353  lkdtm_WRITE_RO_AFTER_INIT_sh pass

 7555 00:28:55.992093  lkdtm_WRITE_KERN_sh pass

 7556 00:28:55.995470  lkdtm_REFCOUNT_INC_OVERFLOW_sh pass

 7557 00:28:55.998697  lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass

 7558 00:28:56.002486  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass

 7559 00:28:56.008610  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass

 7560 00:28:56.011408  lkdtm_REFCOUNT_DEC_ZERO_sh pass

 7561 00:28:56.015065  lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass

 7562 00:28:56.018121  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass

 7563 00:28:56.021304  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass

 7564 00:28:56.025001  lkdtm_REFCOUNT_INC_ZERO_sh pass

 7565 00:28:56.028029  lkdtm_REFCOUNT_ADD_ZERO_sh pass

 7566 00:28:56.031422  lkdtm_REFCOUNT_INC_SATURATED_sh pass

 7567 00:28:56.037813  lkdtm_REFCOUNT_DEC_SATURATED_sh pass

 7568 00:28:56.041552  lkdtm_REFCOUNT_ADD_SATURATED_sh pass

 7569 00:28:56.044563  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass

 7570 00:28:56.048149  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass

 7571 00:28:56.054366  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass

 7572 00:28:56.057969  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass

 7573 00:28:56.064339  lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh skip

 7574 00:28:56.071405  lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh skip

 7575 00:28:56.074314  lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail

 7576 00:28:56.077944  lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail

 7577 00:28:56.081124  lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail

 7578 00:28:56.087898  lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail

 7579 00:28:56.090936  lkdtm_USERCOPY_STACK_FRAME_TO_sh fail

 7580 00:28:56.094765  lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail

 7581 00:28:56.097757  lkdtm_USERCOPY_STACK_BEYOND_sh fail

 7582 00:28:56.100780  lkdtm_USERCOPY_KERNEL_sh fail

 7583 00:28:56.104147  lkdtm_STACKLEAK_ERASING_sh fail

 7584 00:28:56.107521  lkdtm_CFI_FORWARD_PROTO_sh fail

 7585 00:28:56.113682  + ../../utils/send-to-lava.sh ./output/result.txt

 7586 00:28:56.117151  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=shardfile-lkdtm RESULT=pass>

 7587 00:28:56.117780  Received signal: <TESTCASE> TEST_CASE_ID=shardfile-lkdtm RESULT=pass
 7589 00:28:56.127985  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_PANIC_sh_selftests_lkdtm_panic_sh RESULT=skip>

 7590 00:28:56.128240  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_PANIC_sh_selftests_lkdtm_panic_sh RESULT=skip
 7592 00:28:56.133493  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass>

 7593 00:28:56.133747  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass
 7595 00:28:56.141011  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass>

 7596 00:28:56.141264  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass
 7598 00:28:56.146962  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass>

 7599 00:28:56.147215  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass
 7601 00:28:56.153516  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass>

 7602 00:28:56.153783  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass
 7604 00:28:56.163128  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_LOOP_sh_selftests_lkdtm_loop_sh RESULT=skip>

 7605 00:28:56.163383  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_LOOP_sh_selftests_lkdtm_loop_sh RESULT=skip
 7607 00:28:56.188410  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh RESULT=skip>

 7608 00:28:56.188669  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh RESULT=skip
 7610 00:28:56.227625  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh RESULT=skip>

 7611 00:28:56.227909  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh RESULT=skip
 7613 00:28:56.266065  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh RESULT=skip>

 7614 00:28:56.266338  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh RESULT=skip
 7616 00:28:56.301670  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail>

 7617 00:28:56.301932  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail
 7619 00:28:56.341145  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail>

 7620 00:28:56.341403  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail
 7622 00:28:56.383374  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass>

 7623 00:28:56.383669  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass
 7625 00:28:56.436763  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass>

 7626 00:28:56.437031  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass
 7628 00:28:56.482816  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass
 7630 00:28:56.486129  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass>

 7631 00:28:56.535566  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh RESULT=skip
 7633 00:28:56.538877  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh RESULT=skip>

 7634 00:28:56.584364  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh RESULT=skip>

 7635 00:28:56.584629  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh RESULT=skip
 7637 00:28:56.634522  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh RESULT=skip>

 7638 00:28:56.634828  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh RESULT=skip
 7640 00:28:56.674465  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh RESULT=skip>

 7641 00:28:56.674771  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh RESULT=skip
 7643 00:28:56.716662  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh RESULT=skip>

 7644 00:28:56.716932  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh RESULT=skip
 7646 00:28:56.759436  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail>

 7647 00:28:56.759679  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail
 7649 00:28:56.813847  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh RESULT=skip>

 7650 00:28:56.814133  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh RESULT=skip
 7652 00:28:56.863150  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail>

 7653 00:28:56.863472  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail
 7655 00:28:56.909215  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail>

 7656 00:28:56.909544  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail
 7658 00:28:56.962571  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail>

 7659 00:28:56.962912  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail
 7661 00:28:57.014830  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail>

 7662 00:28:57.015157  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail
 7664 00:28:57.065550  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh RESULT=skip>

 7665 00:28:57.065884  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh RESULT=skip
 7667 00:28:57.116107  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh RESULT=skip>

 7668 00:28:57.116433  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh RESULT=skip
 7670 00:28:57.161076  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh RESULT=skip>

 7671 00:28:57.161407  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh RESULT=skip
 7673 00:28:57.207835  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh RESULT=skip>

 7674 00:28:57.208169  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh RESULT=skip
 7676 00:28:57.251947  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass>

 7677 00:28:57.252277  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass
 7679 00:28:57.301866  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass
 7681 00:28:57.304395  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass>

 7682 00:28:57.347862  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass>

 7683 00:28:57.348192  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass
 7685 00:28:57.396578  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass>

 7686 00:28:57.396910  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass
 7688 00:28:57.436470  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass
 7690 00:28:57.439300  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass>

 7691 00:28:57.479934  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass>

 7692 00:28:57.480261  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass
 7694 00:28:57.522610  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass>

 7695 00:28:57.522935  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass
 7697 00:28:57.566677  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=pass>

 7698 00:28:57.566991  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=pass
 7700 00:28:57.602649  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass
 7702 00:28:57.605746  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass>

 7703 00:28:57.646038  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass>

 7704 00:28:57.646357  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass
 7706 00:28:57.700685  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass>

 7707 00:28:57.701012  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass
 7709 00:28:57.741785  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass
 7711 00:28:57.744701  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass>

 7712 00:28:57.788518  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass>

 7713 00:28:57.788827  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass
 7715 00:28:57.831104  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass>

 7716 00:28:57.831414  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass
 7718 00:28:57.880066  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7719 00:28:57.880383  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7721 00:28:57.919933  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7722 00:28:57.920242  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7724 00:28:57.958583  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass>

 7725 00:28:57.958905  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass
 7727 00:28:57.997012  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass>

 7728 00:28:57.997336  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass
 7730 00:28:58.042022  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass>

 7731 00:28:58.042347  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass
 7733 00:28:58.082510  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass>

 7734 00:28:58.082835  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass
 7736 00:28:58.122236  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass>

 7737 00:28:58.122563  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass
 7739 00:28:58.169947  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass>

 7740 00:28:58.170276  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass
 7742 00:28:58.208050  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass>

 7743 00:28:58.208377  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass
 7745 00:28:58.251018  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass>

 7746 00:28:58.251341  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass
 7748 00:28:58.292934  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass>

 7749 00:28:58.293259  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass
 7751 00:28:58.336129  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass>

 7752 00:28:58.336554  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass
 7754 00:28:58.379882  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass>

 7755 00:28:58.380204  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass
 7757 00:28:58.424285  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass>

 7758 00:28:58.424620  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass
 7760 00:28:58.470704  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass>

 7761 00:28:58.471029  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass
 7763 00:28:58.520771  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh RESULT=skip>

 7764 00:28:58.521100  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh RESULT=skip
 7766 00:28:58.568073  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh RESULT=skip>

 7767 00:28:58.568407  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh RESULT=skip
 7769 00:28:58.602734  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail>

 7770 00:28:58.603045  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail
 7772 00:28:58.653701  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail>

 7773 00:28:58.654042  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail
 7775 00:28:58.704380  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail>

 7776 00:28:58.704706  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail
 7778 00:28:58.761081  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail>

 7779 00:28:58.761853  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail
 7781 00:28:58.821905  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail>

 7782 00:28:58.822521  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail
 7784 00:28:58.889010  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail>

 7785 00:28:58.889695  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail
 7787 00:28:58.940286  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail>

 7788 00:28:58.940936  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail
 7790 00:28:58.998422  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail>

 7791 00:28:58.999054  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail
 7793 00:28:59.069635  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail>

 7794 00:28:59.070309  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail
 7796 00:28:59.134559  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail>

 7797 00:28:59.135060  + set +x

 7798 00:28:59.135775  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail
 7800 00:28:59.140754  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 12264581_1.5.2.3.5>

 7801 00:28:59.141367  Received signal: <ENDRUN> 1_kselftest-lkdtm 12264581_1.5.2.3.5
 7802 00:28:59.141699  Ending use of test pattern.
 7803 00:28:59.141980  Ending test lava.1_kselftest-lkdtm (12264581_1.5.2.3.5), duration 50.96
 7805 00:28:59.142919  ok: lava_test_shell seems to have completed
 7806 00:28:59.145429  lkdtm_ACCESS_NULL_sh: pass
lkdtm_ACCESS_USERSPACE_sh: pass
lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh: skip
lkdtm_BUG_sh: pass
lkdtm_CFI_FORWARD_PROTO_sh: fail
lkdtm_CORRUPT_LIST_ADD_sh: fail
lkdtm_CORRUPT_LIST_DEL_sh: fail
lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh: skip
lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh: skip
lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh: skip
lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh: skip
lkdtm_EXCEPTION_sh: pass
lkdtm_EXEC_DATA_sh: pass
lkdtm_EXEC_KMALLOC_sh: pass
lkdtm_EXEC_NULL_sh: pass
lkdtm_EXEC_RODATA_sh: pass
lkdtm_EXEC_STACK_sh: pass
lkdtm_EXEC_USERSPACE_sh: pass
lkdtm_EXEC_VMALLOC_sh: pass
lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh: skip
lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh: skip
lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh: skip
lkdtm_LOOP_sh_selftests_lkdtm_loop_sh: skip
lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh: skip
lkdtm_PANIC_sh_selftests_lkdtm_panic_sh: skip
lkdtm_READ_AFTER_FREE_sh: fail
lkdtm_READ_BUDDY_AFTER_FREE_sh: fail
lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh: pass
lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_OVERFLOW_sh: pass
lkdtm_REFCOUNT_ADD_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_ZERO_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_ZERO_sh: pass
lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh: pass
lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_OVERFLOW_sh: pass
lkdtm_REFCOUNT_INC_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_ZERO_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh: skip
lkdtm_SLAB_FREE_CROSS_sh: fail
lkdtm_SLAB_FREE_DOUBLE_sh: fail
lkdtm_SLAB_FREE_PAGE_sh: fail
lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh: skip
lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh: skip
lkdtm_STACKLEAK_ERASING_sh: fail
lkdtm_STACK_GUARD_PAGE_LEADING_sh: pass
lkdtm_STACK_GUARD_PAGE_TRAILING_sh: pass
lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh: skip
lkdtm_UNSET_SMEP_sh: pass
lkdtm_USERCOPY_HEAP_SIZE_FROM_sh: fail
lkdtm_USERCOPY_HEAP_SIZE_TO_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh: fail
lkdtm_USERCOPY_KERNEL_sh: fail
lkdtm_USERCOPY_STACK_BEYOND_sh: fail
lkdtm_USERCOPY_STACK_FRAME_FROM_sh: fail
lkdtm_USERCOPY_STACK_FRAME_TO_sh: fail
lkdtm_WARNING_MESSAGE_sh: pass
lkdtm_WARNING_sh: pass
lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh: skip
lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh: skip
lkdtm_WRITE_KERN_sh: pass
lkdtm_WRITE_RO_AFTER_INIT_sh: pass
lkdtm_WRITE_RO_sh: pass
shardfile-lkdtm: pass

 7807 00:28:59.145960  end: 3.1 lava-test-shell (duration 00:00:52) [common]
 7808 00:28:59.146391  end: 3 lava-test-retry (duration 00:00:52) [common]
 7809 00:28:59.146792  start: 4 finalize (timeout 00:07:49) [common]
 7810 00:28:59.147207  start: 4.1 power-off (timeout 00:00:30) [common]
 7811 00:28:59.147943  Calling: 'pduclient' '--daemon=localhost' '--hostname=asus-C433TA-AJ0005-rammus-cbg-2' '--port=1' '--command=off'
 7812 00:28:59.252871  >> Command sent successfully.

 7813 00:28:59.258792  Returned 0 in 0 seconds
 7814 00:28:59.359372  end: 4.1 power-off (duration 00:00:00) [common]
 7816 00:28:59.359761  start: 4.2 read-feedback (timeout 00:07:49) [common]
 7818 00:28:59.360315  Listened to connection for namespace 'common' for up to 1s
 7819 00:29:00.360981  Finalising connection for namespace 'common'
 7820 00:29:00.361161  Disconnecting from shell: Finalise
 7821 00:29:00.361241  / # 
 7822 00:29:00.461571  end: 4.2 read-feedback (duration 00:00:01) [common]
 7823 00:29:00.461754  end: 4 finalize (duration 00:00:01) [common]
 7824 00:29:00.461869  Cleaning after the job
 7825 00:29:00.461975  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12264581/tftp-deploy-tddnab59/ramdisk
 7826 00:29:00.463541  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12264581/tftp-deploy-tddnab59/kernel
 7827 00:29:00.466194  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12264581/tftp-deploy-tddnab59/nfsrootfs
 7828 00:29:00.558100  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12264581/tftp-deploy-tddnab59/modules
 7829 00:29:00.561556  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/12264581
 7830 00:29:01.187148  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/12264581
 7831 00:29:01.187342  Job finished correctly