Boot log: asus-C433TA-AJ0005-rammus

    1 21:31:38.502332  lava-dispatcher, installed at version: 2024.01
    2 21:31:38.502591  start: 0 validate
    3 21:31:38.502747  Start time: 2024-03-06 21:31:38.502739+00:00 (UTC)
    4 21:31:38.502881  Using caching service: 'http://localhost/cache/?uri=%s'
    5 21:31:38.503016  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20240129.0%2Famd64%2Finitrd.cpio.gz exists
    6 21:31:38.505848  Using caching service: 'http://localhost/cache/?uri=%s'
    7 21:31:38.505976  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.209-cip44-594-gb47da48f3bae7%2Fx86_64%2Fx86_64_defconfig%2Bx86-board%2Bkselftest%2Fgcc-10%2Fkernel%2FbzImage exists
    8 21:31:43.004659  Using caching service: 'http://localhost/cache/?uri=%s'
    9 21:31:43.004819  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20240129.0%2Famd64%2Ffull.rootfs.tar.xz exists
   10 21:31:43.270184  Using caching service: 'http://localhost/cache/?uri=%s'
   11 21:31:43.270359  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.209-cip44-594-gb47da48f3bae7%2Fx86_64%2Fx86_64_defconfig%2Bx86-board%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   12 21:31:44.777843  validate duration: 6.28
   14 21:31:44.778129  start: 1 tftp-deploy (timeout 00:10:00) [common]
   15 21:31:44.778228  start: 1.1 download-retry (timeout 00:10:00) [common]
   16 21:31:44.778310  start: 1.1.1 http-download (timeout 00:10:00) [common]
   17 21:31:44.778438  Not decompressing ramdisk as can be used compressed.
   18 21:31:44.778520  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20240129.0/amd64/initrd.cpio.gz
   19 21:31:44.778582  saving as /var/lib/lava/dispatcher/tmp/12965416/tftp-deploy-s78x24nw/ramdisk/initrd.cpio.gz
   20 21:31:44.778643  total size: 5431452 (5 MB)
   21 21:31:44.779835  progress   0 % (0 MB)
   22 21:31:44.781637  progress   5 % (0 MB)
   23 21:31:44.783065  progress  10 % (0 MB)
   24 21:31:44.784510  progress  15 % (0 MB)
   25 21:31:44.786082  progress  20 % (1 MB)
   26 21:31:44.787503  progress  25 % (1 MB)
   27 21:31:44.788949  progress  30 % (1 MB)
   28 21:31:44.790510  progress  35 % (1 MB)
   29 21:31:44.791955  progress  40 % (2 MB)
   30 21:31:44.793398  progress  45 % (2 MB)
   31 21:31:44.794793  progress  50 % (2 MB)
   32 21:31:44.796514  progress  55 % (2 MB)
   33 21:31:44.797970  progress  60 % (3 MB)
   34 21:31:44.799380  progress  65 % (3 MB)
   35 21:31:44.801023  progress  70 % (3 MB)
   36 21:31:44.802462  progress  75 % (3 MB)
   37 21:31:44.803909  progress  80 % (4 MB)
   38 21:31:44.805300  progress  85 % (4 MB)
   39 21:31:44.807022  progress  90 % (4 MB)
   40 21:31:44.808472  progress  95 % (4 MB)
   41 21:31:44.809952  progress 100 % (5 MB)
   42 21:31:44.810164  5 MB downloaded in 0.03 s (164.33 MB/s)
   43 21:31:44.810315  end: 1.1.1 http-download (duration 00:00:00) [common]
   45 21:31:44.810548  end: 1.1 download-retry (duration 00:00:00) [common]
   46 21:31:44.810635  start: 1.2 download-retry (timeout 00:10:00) [common]
   47 21:31:44.810718  start: 1.2.1 http-download (timeout 00:10:00) [common]
   48 21:31:44.810853  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-594-gb47da48f3bae7/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kernel/bzImage
   49 21:31:44.810961  saving as /var/lib/lava/dispatcher/tmp/12965416/tftp-deploy-s78x24nw/kernel/bzImage
   50 21:31:44.811021  total size: 18058912 (17 MB)
   51 21:31:44.811080  No compression specified
   52 21:31:44.812452  progress   0 % (0 MB)
   53 21:31:44.818274  progress   5 % (0 MB)
   54 21:31:44.823392  progress  10 % (1 MB)
   55 21:31:44.828092  progress  15 % (2 MB)
   56 21:31:44.833069  progress  20 % (3 MB)
   57 21:31:44.837785  progress  25 % (4 MB)
   58 21:31:44.842610  progress  30 % (5 MB)
   59 21:31:44.847425  progress  35 % (6 MB)
   60 21:31:44.852412  progress  40 % (6 MB)
   61 21:31:44.857862  progress  45 % (7 MB)
   62 21:31:44.862670  progress  50 % (8 MB)
   63 21:31:44.867760  progress  55 % (9 MB)
   64 21:31:44.872800  progress  60 % (10 MB)
   65 21:31:44.877696  progress  65 % (11 MB)
   66 21:31:44.882531  progress  70 % (12 MB)
   67 21:31:44.887318  progress  75 % (12 MB)
   68 21:31:44.892046  progress  80 % (13 MB)
   69 21:31:44.896838  progress  85 % (14 MB)
   70 21:31:44.901673  progress  90 % (15 MB)
   71 21:31:44.906197  progress  95 % (16 MB)
   72 21:31:44.910961  progress 100 % (17 MB)
   73 21:31:44.911090  17 MB downloaded in 0.10 s (172.11 MB/s)
   74 21:31:44.911246  end: 1.2.1 http-download (duration 00:00:00) [common]
   76 21:31:44.911516  end: 1.2 download-retry (duration 00:00:00) [common]
   77 21:31:44.911622  start: 1.3 download-retry (timeout 00:10:00) [common]
   78 21:31:44.911784  start: 1.3.1 http-download (timeout 00:10:00) [common]
   79 21:31:44.911961  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20240129.0/amd64/full.rootfs.tar.xz
   80 21:31:44.912045  saving as /var/lib/lava/dispatcher/tmp/12965416/tftp-deploy-s78x24nw/nfsrootfs/full.rootfs.tar
   81 21:31:44.912107  total size: 207179048 (197 MB)
   82 21:31:44.912186  Using unxz to decompress xz
   83 21:31:44.917203  progress   0 % (0 MB)
   84 21:31:45.505741  progress   5 % (9 MB)
   85 21:31:46.123198  progress  10 % (19 MB)
   86 21:31:46.893682  progress  15 % (29 MB)
   87 21:31:47.341499  progress  20 % (39 MB)
   88 21:31:47.780411  progress  25 % (49 MB)
   89 21:31:48.534678  progress  30 % (59 MB)
   90 21:31:49.201675  progress  35 % (69 MB)
   91 21:31:49.930608  progress  40 % (79 MB)
   92 21:31:50.550030  progress  45 % (88 MB)
   93 21:31:51.190686  progress  50 % (98 MB)
   94 21:31:51.864545  progress  55 % (108 MB)
   95 21:31:52.595958  progress  60 % (118 MB)
   96 21:31:52.744563  progress  65 % (128 MB)
   97 21:31:52.899505  progress  70 % (138 MB)
   98 21:31:53.022129  progress  75 % (148 MB)
   99 21:31:53.111272  progress  80 % (158 MB)
  100 21:31:53.200374  progress  85 % (167 MB)
  101 21:31:53.326783  progress  90 % (177 MB)
  102 21:31:53.644438  progress  95 % (187 MB)
  103 21:31:54.343340  progress 100 % (197 MB)
  104 21:31:54.349341  197 MB downloaded in 9.44 s (20.94 MB/s)
  105 21:31:54.349697  end: 1.3.1 http-download (duration 00:00:09) [common]
  107 21:31:54.350120  end: 1.3 download-retry (duration 00:00:09) [common]
  108 21:31:54.350251  start: 1.4 download-retry (timeout 00:09:50) [common]
  109 21:31:54.350389  start: 1.4.1 http-download (timeout 00:09:50) [common]
  110 21:31:54.350595  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-594-gb47da48f3bae7/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/modules.tar.xz
  111 21:31:54.350711  saving as /var/lib/lava/dispatcher/tmp/12965416/tftp-deploy-s78x24nw/modules/modules.tar
  112 21:31:54.350814  total size: 3317984 (3 MB)
  113 21:31:54.350917  Using unxz to decompress xz
  114 21:31:54.622030  progress   0 % (0 MB)
  115 21:31:54.628868  progress   5 % (0 MB)
  116 21:31:54.641255  progress  10 % (0 MB)
  117 21:31:54.651144  progress  15 % (0 MB)
  118 21:31:54.663084  progress  20 % (0 MB)
  119 21:31:54.675670  progress  25 % (0 MB)
  120 21:31:54.686653  progress  30 % (0 MB)
  121 21:31:54.697453  progress  35 % (1 MB)
  122 21:31:54.711704  progress  40 % (1 MB)
  123 21:31:54.729175  progress  45 % (1 MB)
  124 21:31:54.740140  progress  50 % (1 MB)
  125 21:31:54.752587  progress  55 % (1 MB)
  126 21:31:54.765421  progress  60 % (1 MB)
  127 21:31:54.775355  progress  65 % (2 MB)
  128 21:31:54.788066  progress  70 % (2 MB)
  129 21:31:54.801338  progress  75 % (2 MB)
  130 21:31:54.818245  progress  80 % (2 MB)
  131 21:31:54.832285  progress  85 % (2 MB)
  132 21:31:54.846268  progress  90 % (2 MB)
  133 21:31:54.857074  progress  95 % (3 MB)
  134 21:31:54.867667  progress 100 % (3 MB)
  135 21:31:54.872615  3 MB downloaded in 0.52 s (6.06 MB/s)
  136 21:31:54.872989  end: 1.4.1 http-download (duration 00:00:01) [common]
  138 21:31:54.873452  end: 1.4 download-retry (duration 00:00:01) [common]
  139 21:31:54.873607  start: 1.5 prepare-tftp-overlay (timeout 00:09:50) [common]
  140 21:31:54.873769  start: 1.5.1 extract-nfsrootfs (timeout 00:09:50) [common]
  141 21:31:58.870500  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/12965416/extract-nfsrootfs-6zo1sbrf
  142 21:31:58.870689  end: 1.5.1 extract-nfsrootfs (duration 00:00:04) [common]
  143 21:31:58.870788  start: 1.5.2 lava-overlay (timeout 00:09:46) [common]
  144 21:31:58.870956  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv
  145 21:31:58.871094  makedir: /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin
  146 21:31:58.871198  makedir: /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/tests
  147 21:31:58.871300  makedir: /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/results
  148 21:31:58.871400  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-add-keys
  149 21:31:58.871544  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-add-sources
  150 21:31:58.871715  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-background-process-start
  151 21:31:58.871846  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-background-process-stop
  152 21:31:58.871975  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-common-functions
  153 21:31:58.872120  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-echo-ipv4
  154 21:31:58.872293  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-install-packages
  155 21:31:58.872421  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-installed-packages
  156 21:31:58.872549  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-os-build
  157 21:31:58.872676  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-probe-channel
  158 21:31:58.872805  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-probe-ip
  159 21:31:58.872931  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-target-ip
  160 21:31:58.873058  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-target-mac
  161 21:31:58.873183  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-target-storage
  162 21:31:58.873311  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-test-case
  163 21:31:58.873443  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-test-event
  164 21:31:58.873568  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-test-feedback
  165 21:31:58.873693  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-test-raise
  166 21:31:58.873820  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-test-reference
  167 21:31:58.873947  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-test-runner
  168 21:31:58.874074  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-test-set
  169 21:31:58.874200  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-test-shell
  170 21:31:58.874328  Updating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-add-keys (debian)
  171 21:31:58.874485  Updating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-add-sources (debian)
  172 21:31:58.874630  Updating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-install-packages (debian)
  173 21:31:58.874772  Updating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-installed-packages (debian)
  174 21:31:58.874912  Updating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/bin/lava-os-build (debian)
  175 21:31:58.875035  Creating /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/environment
  176 21:31:58.875132  LAVA metadata
  177 21:31:58.875202  - LAVA_JOB_ID=12965416
  178 21:31:58.875265  - LAVA_DISPATCHER_IP=192.168.201.1
  179 21:31:58.875369  start: 1.5.2.1 lava-vland-overlay (timeout 00:09:46) [common]
  180 21:31:58.875435  skipped lava-vland-overlay
  181 21:31:58.875508  end: 1.5.2.1 lava-vland-overlay (duration 00:00:00) [common]
  182 21:31:58.875585  start: 1.5.2.2 lava-multinode-overlay (timeout 00:09:46) [common]
  183 21:31:58.875665  skipped lava-multinode-overlay
  184 21:31:58.875751  end: 1.5.2.2 lava-multinode-overlay (duration 00:00:00) [common]
  185 21:31:58.875837  start: 1.5.2.3 test-definition (timeout 00:09:46) [common]
  186 21:31:58.875929  Loading test definitions
  187 21:31:58.876029  start: 1.5.2.3.1 inline-repo-action (timeout 00:09:46) [common]
  188 21:31:58.876100  Using /lava-12965416 at stage 0
  189 21:31:58.876390  uuid=12965416_1.5.2.3.1 testdef=None
  190 21:31:58.876477  end: 1.5.2.3.1 inline-repo-action (duration 00:00:00) [common]
  191 21:31:58.876561  start: 1.5.2.3.2 test-overlay (timeout 00:09:46) [common]
  192 21:31:58.877016  end: 1.5.2.3.2 test-overlay (duration 00:00:00) [common]
  194 21:31:58.877232  start: 1.5.2.3.3 test-install-overlay (timeout 00:09:46) [common]
  195 21:31:58.877790  end: 1.5.2.3.3 test-install-overlay (duration 00:00:00) [common]
  197 21:31:58.878015  start: 1.5.2.3.4 test-runscript-overlay (timeout 00:09:46) [common]
  198 21:31:58.878623  runner path: /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/0/tests/0_timesync-off test_uuid 12965416_1.5.2.3.1
  199 21:31:58.878831  end: 1.5.2.3.4 test-runscript-overlay (duration 00:00:00) [common]
  201 21:31:58.879071  start: 1.5.2.3.5 git-repo-action (timeout 00:09:46) [common]
  202 21:31:58.879143  Using /lava-12965416 at stage 0
  203 21:31:58.879240  Fetching tests from https://github.com/kernelci/test-definitions.git
  204 21:31:58.879326  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/0/tests/1_kselftest-lkdtm'
  205 21:32:03.244114  Running '/usr/bin/git checkout kernelci.org
  206 21:32:03.392061  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  207 21:32:03.393257  uuid=12965416_1.5.2.3.5 testdef=None
  208 21:32:03.393510  end: 1.5.2.3.5 git-repo-action (duration 00:00:05) [common]
  210 21:32:03.393960  start: 1.5.2.3.6 test-overlay (timeout 00:09:41) [common]
  211 21:32:03.395309  end: 1.5.2.3.6 test-overlay (duration 00:00:00) [common]
  213 21:32:03.395723  start: 1.5.2.3.7 test-install-overlay (timeout 00:09:41) [common]
  214 21:32:03.397436  end: 1.5.2.3.7 test-install-overlay (duration 00:00:00) [common]
  216 21:32:03.397833  start: 1.5.2.3.8 test-runscript-overlay (timeout 00:09:41) [common]
  217 21:32:03.399470  runner path: /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/0/tests/1_kselftest-lkdtm test_uuid 12965416_1.5.2.3.5
  218 21:32:03.399602  BOARD='asus-C433TA-AJ0005-rammus'
  219 21:32:03.399694  BRANCH='cip-gitlab'
  220 21:32:03.399758  SKIPFILE='/dev/null'
  221 21:32:03.399818  SKIP_INSTALL='True'
  222 21:32:03.399878  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-594-gb47da48f3bae7/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz'
  223 21:32:03.399940  TST_CASENAME=''
  224 21:32:03.399996  TST_CMDFILES='lkdtm'
  225 21:32:03.400147  end: 1.5.2.3.8 test-runscript-overlay (duration 00:00:00) [common]
  227 21:32:03.400360  Creating lava-test-runner.conf files
  228 21:32:03.400432  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/12965416/lava-overlay-b7iivjxv/lava-12965416/0 for stage 0
  229 21:32:03.400554  - 0_timesync-off
  230 21:32:03.400670  - 1_kselftest-lkdtm
  231 21:32:03.400786  end: 1.5.2.3 test-definition (duration 00:00:05) [common]
  232 21:32:03.400879  start: 1.5.2.4 compress-overlay (timeout 00:09:41) [common]
  233 21:32:11.453923  end: 1.5.2.4 compress-overlay (duration 00:00:08) [common]
  234 21:32:11.454078  start: 1.5.2.5 persistent-nfs-overlay (timeout 00:09:33) [common]
  235 21:32:11.454182  end: 1.5.2.5 persistent-nfs-overlay (duration 00:00:00) [common]
  236 21:32:11.454285  end: 1.5.2 lava-overlay (duration 00:00:13) [common]
  237 21:32:11.454383  start: 1.5.3 extract-overlay-ramdisk (timeout 00:09:33) [common]
  238 21:32:11.619841  end: 1.5.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  239 21:32:11.620247  start: 1.5.4 extract-modules (timeout 00:09:33) [common]
  240 21:32:11.620367  extracting modules file /var/lib/lava/dispatcher/tmp/12965416/tftp-deploy-s78x24nw/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12965416/extract-nfsrootfs-6zo1sbrf
  241 21:32:11.733364  extracting modules file /var/lib/lava/dispatcher/tmp/12965416/tftp-deploy-s78x24nw/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12965416/extract-overlay-ramdisk-u8snm18f/ramdisk
  242 21:32:11.838260  end: 1.5.4 extract-modules (duration 00:00:00) [common]
  243 21:32:11.838424  start: 1.5.5 apply-overlay-tftp (timeout 00:09:33) [common]
  244 21:32:11.838540  [common] Applying overlay to NFS
  245 21:32:11.838613  [common] Applying overlay /var/lib/lava/dispatcher/tmp/12965416/compress-overlay-iixg3hhm/overlay-1.5.2.4.tar.gz to directory /var/lib/lava/dispatcher/tmp/12965416/extract-nfsrootfs-6zo1sbrf
  246 21:32:12.855687  end: 1.5.5 apply-overlay-tftp (duration 00:00:01) [common]
  247 21:32:12.855871  start: 1.5.6 configure-preseed-file (timeout 00:09:32) [common]
  248 21:32:12.855974  end: 1.5.6 configure-preseed-file (duration 00:00:00) [common]
  249 21:32:12.856074  start: 1.5.7 compress-ramdisk (timeout 00:09:32) [common]
  250 21:32:12.856161  Building ramdisk /var/lib/lava/dispatcher/tmp/12965416/extract-overlay-ramdisk-u8snm18f/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/12965416/extract-overlay-ramdisk-u8snm18f/ramdisk
  251 21:32:13.051749  >> 67790 blocks

  252 21:32:14.294988  rename /var/lib/lava/dispatcher/tmp/12965416/extract-overlay-ramdisk-u8snm18f/ramdisk.cpio.gz to /var/lib/lava/dispatcher/tmp/12965416/tftp-deploy-s78x24nw/ramdisk/ramdisk.cpio.gz
  253 21:32:14.295536  end: 1.5.7 compress-ramdisk (duration 00:00:01) [common]
  254 21:32:14.295716  start: 1.5.8 prepare-kernel (timeout 00:09:30) [common]
  255 21:32:14.295869  start: 1.5.8.1 prepare-fit (timeout 00:09:30) [common]
  256 21:32:14.296002  No mkimage arch provided, not using FIT.
  257 21:32:14.296135  end: 1.5.8.1 prepare-fit (duration 00:00:00) [common]
  258 21:32:14.296265  end: 1.5.8 prepare-kernel (duration 00:00:00) [common]
  259 21:32:14.296430  end: 1.5 prepare-tftp-overlay (duration 00:00:19) [common]
  260 21:32:14.296566  start: 1.6 lxc-create-udev-rule-action (timeout 00:09:30) [common]
  261 21:32:14.296691  No LXC device requested
  262 21:32:14.296814  end: 1.6 lxc-create-udev-rule-action (duration 00:00:00) [common]
  263 21:32:14.296944  start: 1.7 deploy-device-env (timeout 00:09:30) [common]
  264 21:32:14.297073  end: 1.7 deploy-device-env (duration 00:00:00) [common]
  265 21:32:14.297190  Checking files for TFTP limit of 4294967296 bytes.
  266 21:32:14.297769  end: 1 tftp-deploy (duration 00:00:30) [common]
  267 21:32:14.297916  start: 2 depthcharge-action (timeout 00:05:00) [common]
  268 21:32:14.298051  start: 2.1 depthcharge-overlay (timeout 00:05:00) [common]
  269 21:32:14.298234  substitutions:
  270 21:32:14.298336  - {DTB}: None
  271 21:32:14.298433  - {INITRD}: 12965416/tftp-deploy-s78x24nw/ramdisk/ramdisk.cpio.gz
  272 21:32:14.298526  - {KERNEL}: 12965416/tftp-deploy-s78x24nw/kernel/bzImage
  273 21:32:14.298618  - {LAVA_MAC}: None
  274 21:32:14.298709  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/12965416/extract-nfsrootfs-6zo1sbrf
  275 21:32:14.298803  - {NFS_SERVER_IP}: 192.168.201.1
  276 21:32:14.298895  - {PRESEED_CONFIG}: None
  277 21:32:14.298985  - {PRESEED_LOCAL}: None
  278 21:32:14.299076  - {RAMDISK}: 12965416/tftp-deploy-s78x24nw/ramdisk/ramdisk.cpio.gz
  279 21:32:14.299168  - {ROOT_PART}: None
  280 21:32:14.299258  - {ROOT}: None
  281 21:32:14.299344  - {SERVER_IP}: 192.168.201.1
  282 21:32:14.299429  - {TEE}: None
  283 21:32:14.299518  Parsed boot commands:
  284 21:32:14.299604  - tftpboot 192.168.201.1 {DEPTHCHARGE_KERNEL} {CMDLINE} {DEPTHCHARGE_RAMDISK}
  285 21:32:14.299863  Parsed boot commands: tftpboot 192.168.201.1 12965416/tftp-deploy-s78x24nw/kernel/bzImage 12965416/tftp-deploy-s78x24nw/kernel/cmdline 12965416/tftp-deploy-s78x24nw/ramdisk/ramdisk.cpio.gz
  286 21:32:14.299999  end: 2.1 depthcharge-overlay (duration 00:00:00) [common]
  287 21:32:14.300128  start: 2.2 depthcharge-retry (timeout 00:05:00) [common]
  288 21:32:14.300267  start: 2.2.1 reset-connection (timeout 00:05:00) [common]
  289 21:32:14.300402  start: 2.2.1.1 disconnect-device (timeout 00:05:00) [common]
  290 21:32:14.300515  Not connected, no need to disconnect.
  291 21:32:14.300630  end: 2.2.1.1 disconnect-device (duration 00:00:00) [common]
  292 21:32:14.300757  start: 2.2.1.2 connect-device (timeout 00:05:00) [common]
  293 21:32:14.300862  [common] connect-device Connecting to device using '/usr/local/bin/chromebook-console.sh asus-C433TA-AJ0005-rammus-cbg-2'
  294 21:32:14.305677  Setting prompt string to ['lava-test: # ']
  295 21:32:14.306156  end: 2.2.1.2 connect-device (duration 00:00:00) [common]
  296 21:32:14.306316  end: 2.2.1 reset-connection (duration 00:00:00) [common]
  297 21:32:14.306459  start: 2.2.2 reset-device (timeout 00:05:00) [common]
  298 21:32:14.306591  start: 2.2.2.1 pdu-reboot (timeout 00:05:00) [common]
  299 21:32:14.306897  Calling: 'pduclient' '--daemon=localhost' '--hostname=asus-C433TA-AJ0005-rammus-cbg-2' '--port=1' '--command=reboot'
  300 21:32:19.469679  >> Command sent successfully.

  301 21:32:19.472337  Returned 0 in 5 seconds
  302 21:32:19.572742  end: 2.2.2.1 pdu-reboot (duration 00:00:05) [common]
  304 21:32:19.573196  end: 2.2.2 reset-device (duration 00:00:05) [common]
  305 21:32:19.573344  start: 2.2.3 depthcharge-start (timeout 00:04:55) [common]
  306 21:32:19.573466  Setting prompt string to 'Starting depthcharge on rammus...'
  307 21:32:19.573574  Changing prompt to 'Starting depthcharge on rammus...'
  308 21:32:19.573674  depthcharge-start: Wait for prompt Starting depthcharge on rammus... (timeout 00:05:00)
  309 21:32:19.574071  [Enter `^Ec?' for help]

  310 21:32:20.269235  

  311 21:32:20.269391  

  312 21:32:20.269868  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 bootblock starting...

  313 21:32:20.270523  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz

  314 21:32:20.270636  CPU: ID 806e9, Kabylake H0, ucode: 00000097

  315 21:32:20.270926  CPU: AES supported, TXT NOT supported, VT supported

  316 21:32:20.271027  MCH: device id 590c (rev 02) is Kabylake-Y

  317 21:32:20.271134  PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium

  318 21:32:20.271263  IGD: device id 591c (rev 02) is Amberlake ULX GT2

  319 21:32:20.271368  VBOOT: Loading verstage.

  320 21:32:20.271463  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  321 21:32:20.303493  CBFS: Locating 'fallback/verstage'

  322 21:32:20.303713  CBFS: Found @ offset 1a0a80 size f47c

  323 21:32:20.303819  

  324 21:32:20.303919  

  325 21:32:20.306639  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 verstage starting...

  326 21:32:20.326284  Probing TPM: .Timeout wait for TPM IRQ!

  327 21:32:20.338811  . done!

  328 21:32:20.342653  TPM ready after 0 ms

  329 21:32:20.345581  Connected to device vid:did:rid of 1ae0:0028:00

  330 21:32:20.356157  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab

  331 21:32:20.359342  Initialized TPM device CR50 revision 0

  332 21:32:20.407311  tlcl_send_startup: Startup return code is 0

  333 21:32:20.407453  TPM: setup succeeded

  334 21:32:20.419741  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0

  335 21:32:20.424355  Chrome EC: UHEPI supported

  336 21:32:20.427341  Phase 1

  337 21:32:20.430774  FMAP: Found "FLASH" version 1.1 at c10000.

  338 21:32:20.437515  FMAP: base = ff000000 size = 1000000 #areas = 33

  339 21:32:20.440320  FMAP: area GBB found @ c11000 (978944 bytes)

  340 21:32:20.447470  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0

  341 21:32:20.447558  Phase 2

  342 21:32:20.450451  Phase 3

  343 21:32:20.453906  FMAP: area GBB found @ c11000 (978944 bytes)

  344 21:32:20.460423  VB2:vb2_report_dev_firmware() This is developer signed firmware

  345 21:32:20.467534  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  346 21:32:20.470528  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  347 21:32:20.477276  VB2:vb2_verify_keyblock() Checking key block signature...

  348 21:32:20.497454  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  349 21:32:20.501078  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  350 21:32:20.507809  VB2:vb2_verify_fw_preamble() Verifying preamble.

  351 21:32:20.513355  Phase 4

  352 21:32:20.516540  FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes)

  353 21:32:20.522739  VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW

  354 21:32:20.782963  VB2:vb2_rsa_verify_digest() Digest check failed!

  355 21:32:20.786808  VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7

  356 21:32:20.790054  Saving nvdata

  357 21:32:20.792905  Reboot requested (10020007)

  358 21:32:20.796177  board_reset() called!

  359 21:32:20.796271  full_reset() called!

  360 21:32:25.238251  

  361 21:32:25.238395  

  362 21:32:25.245222  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 bootblock starting...

  363 21:32:25.251498  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz

  364 21:32:25.255411  CPU: ID 806e9, Kabylake H0, ucode: 00000097

  365 21:32:25.261599  CPU: AES supported, TXT NOT supported, VT supported

  366 21:32:25.265113  MCH: device id 590c (rev 02) is Kabylake-Y

  367 21:32:25.271922  PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium

  368 21:32:25.275350  IGD: device id 591c (rev 02) is Amberlake ULX GT2

  369 21:32:25.278328  VBOOT: Loading verstage.

  370 21:32:25.285127  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  371 21:32:25.288432  CBFS: Locating 'fallback/verstage'

  372 21:32:25.291812  CBFS: Found @ offset 1a0a80 size f47c

  373 21:32:25.305447  

  374 21:32:25.305567  

  375 21:32:25.312326  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 verstage starting...

  376 21:32:25.328333  Probing TPM: . done!

  377 21:32:25.331367  TPM ready after 0 ms

  378 21:32:25.334787  Connected to device vid:did:rid of 1ae0:0028:00

  379 21:32:25.345280  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab

  380 21:32:25.348861  Initialized TPM device CR50 revision 0

  381 21:32:25.394269  tlcl_send_startup: Startup return code is 0

  382 21:32:25.394388  TPM: setup succeeded

  383 21:32:25.406608  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0

  384 21:32:25.411293  Chrome EC: UHEPI supported

  385 21:32:25.414110  Phase 1

  386 21:32:25.417314  FMAP: Found "FLASH" version 1.1 at c10000.

  387 21:32:25.424269  FMAP: base = ff000000 size = 1000000 #areas = 33

  388 21:32:25.427748  FMAP: area GBB found @ c11000 (978944 bytes)

  389 21:32:25.433657  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7

  390 21:32:25.440598  VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0

  391 21:32:25.443723  Recovery requested (1009000e)

  392 21:32:25.443836  Saving nvdata

  393 21:32:25.454735  tlcl_extend: response is 0

  394 21:32:25.463684  tlcl_extend: response is 0

  395 21:32:25.469965  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  396 21:32:25.473849  CBFS: Locating 'fallback/romstage'

  397 21:32:25.476923  CBFS: Found @ offset 80 size 10ffc

  398 21:32:25.480793  

  399 21:32:25.480881  

  400 21:32:25.487414  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 romstage starting...

  401 21:32:25.494268  pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00

  402 21:32:25.498286  gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000

  403 21:32:25.501368  gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000

  404 21:32:25.507965  gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000

  405 21:32:25.511329  gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000

  406 21:32:25.514372  TCO_STS:   0000 0000

  407 21:32:25.517965  GEN_PMCON: e0040200 0000523a

  408 21:32:25.521351  GBLRST_CAUSE: 00000000 00000000

  409 21:32:25.521480  prev_sleep_state 5

  410 21:32:25.524569  Boot Count incremented to 64139

  411 21:32:25.530827  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  412 21:32:25.534116  CBFS: Locating 'fspm.bin'

  413 21:32:25.537811  CBFS: Found @ offset 103fc0 size 63000

  414 21:32:25.541702  Chrome EC: UHEPI supported

  415 21:32:25.548525  FMAP: Found "FLASH" version 1.1 at c10000.

  416 21:32:25.551625  FMAP: base = ff000000 size = 1000000 #areas = 33

  417 21:32:25.558567  FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes)

  418 21:32:25.562586  Probing TPM:  done!

  419 21:32:25.569161  Connected to device vid:did:rid of 1ae0:0028:00

  420 21:32:25.578918  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab

  421 21:32:25.585078  Initialized TPM device CR50 revision 0

  422 21:32:25.594321  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  423 21:32:25.601091  MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE

  424 21:32:25.603865  MRC cache found, size 1868

  425 21:32:25.607549  bootmode is set to :2

  426 21:32:25.607665  SPD index 1

  427 21:32:25.613809  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  428 21:32:25.617142  CBFS: Locating 'spd.bin'

  429 21:32:25.620455  CBFS: Found @ offset 1a0240 size 800

  430 21:32:25.623804  SPD: module type is LPDDR3

  431 21:32:25.627055  SPD: module part is K4E8E324EB-EGCF   

  432 21:32:25.633747  SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb

  433 21:32:25.636973  SPD: device width 32 bits, bus width 64 bits

  434 21:32:25.643712  SPD: module size is 2048 MB (per channel)

  435 21:32:25.755268  CBMEM:

  436 21:32:25.758755  IMD: root @ 7afff000 254 entries.

  437 21:32:25.761465  IMD: root @ 7affec00 62 entries.

  438 21:32:25.764661  External stage cache:

  439 21:32:25.768275  IMD: root @ 7b3ff000 254 entries.

  440 21:32:25.771496  IMD: root @ 7b3fec00 62 entries.

  441 21:32:25.775556  creating vboot_handoff structure

  442 21:32:25.781401  Chrome EC: clear events_b mask to 0x0000000021004000

  443 21:32:25.795142  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  444 21:32:25.808680  tlcl_write: response is 0

  445 21:32:25.817087  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  446 21:32:25.823739  MRC: TPM MRC hash updated successfully.

  447 21:32:25.823871  2 DIMMs found

  448 21:32:25.826922  top_of_ram = 0x7b000000

  449 21:32:25.833857  MTRR Range: Start=7a000000 End=7b000000 (Size 1000000)

  450 21:32:25.836841  MTRR Range: Start=7b000000 End=7b800000 (Size 800000)

  451 21:32:25.843371  MTRR Range: Start=ff000000 End=0 (Size 1000000)

  452 21:32:25.846868  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  453 21:32:25.850026  CBFS: Locating 'fallback/postcar'

  454 21:32:25.857008  CBFS: Found @ offset 197000 size 3f04

  455 21:32:25.860018  Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes)

  456 21:32:25.871672  Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90

  457 21:32:25.875128  Processing 118 relocs. Offset value of 0x78bd1000

  458 21:32:25.882138  

  459 21:32:25.882250  

  460 21:32:25.888646  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 postcar starting...

  461 21:32:25.895531  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  462 21:32:25.898909  CBFS: Locating 'fallback/ramstage'

  463 21:32:25.905006  CBFS: Found @ offset e8d80 size 1a462

  464 21:32:25.908829  Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes)

  465 21:32:25.948227  Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78

  466 21:32:25.954275  Processing 3657 relocs. Offset value of 0x79d06000

  467 21:32:25.954431  

  468 21:32:25.954537  

  469 21:32:25.961225  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 ramstage starting...

  470 21:32:25.967914  FMAP: Found "FLASH" version 1.1 at c10000.

  471 21:32:25.970942  FMAP: base = ff000000 size = 1000000 #areas = 33

  472 21:32:25.977602  FMAP: area RO_VPD found @ c00000 (16384 bytes)

  473 21:32:25.981326  WARNING: RO_VPD is uninitialized or empty.

  474 21:32:25.984192  FMAP: area RW_VPD found @ 9f8000 (8192 bytes)

  475 21:32:25.990551  FMAP: area RW_VPD found @ 9f8000 (8192 bytes)

  476 21:32:25.990669  Normal boot.

  477 21:32:25.997479  BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0

  478 21:32:26.004169  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  479 21:32:26.007620  CBFS: Locating 'cpu_microcode_blob.bin'

  480 21:32:26.010718  CBFS: Found @ offset 11100 size d7c00

  481 21:32:26.014081  microcode: sig=0x806e9 pf=0x10 revision=0x97

  482 21:32:26.017243  Skip microcode update

  483 21:32:26.024047  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  484 21:32:26.027610  CBFS: Locating 'fsps.bin'

  485 21:32:26.030596  CBFS: Found @ offset 167fc0 size 2f000

  486 21:32:26.055882  Detected 2 core, 4 thread CPU.

  487 21:32:26.059048  Setting up SMI for CPU

  488 21:32:26.062327  IED base = 0x7b400000

  489 21:32:26.062437  IED size = 0x00400000

  490 21:32:26.066012  Will perform SMM setup.

  491 21:32:26.072257  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz.

  492 21:32:26.078779  Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170

  493 21:32:26.082644  Processing 16 relocs. Offset value of 0x00030000

  494 21:32:26.086451  Attempting to start 3 APs

  495 21:32:26.089316  Waiting for 10ms after sending INIT.

  496 21:32:26.106186  Waiting for 1st SIPI to complete...done.

  497 21:32:26.106316  AP: slot 2 apic_id 3.

  498 21:32:26.109519  AP: slot 3 apic_id 2.

  499 21:32:26.112420  AP: slot 1 apic_id 1.

  500 21:32:26.116174  Waiting for 2nd SIPI to complete...done.

  501 21:32:26.122652  Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8

  502 21:32:26.129198  Processing 13 relocs. Offset value of 0x00038000

  503 21:32:26.135776  SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000)

  504 21:32:26.138831  Installing SMM handler to 0x7b000000

  505 21:32:26.145600  Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0

  506 21:32:26.152045  Processing 243 relocs. Offset value of 0x7b010000

  507 21:32:26.158877  Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8

  508 21:32:26.165582  Processing 13 relocs. Offset value of 0x7b008000

  509 21:32:26.168744  SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd

  510 21:32:26.175420  SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd

  511 21:32:26.181617  SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd

  512 21:32:26.188415  SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000)

  513 21:32:26.192017  Clearing SMI status registers

  514 21:32:26.192129  SMI_STS: PM1 

  515 21:32:26.195002  PM1_STS: PWRBTN 

  516 21:32:26.198215  TCO_STS: BOOT SECOND_TO 

  517 21:32:26.198328  New SMBASE 0x7b000000

  518 21:32:26.202092  In relocation handler: CPU 0

  519 21:32:26.208312  New SMBASE=0x7b000000 IEDBASE=0x7b400000

  520 21:32:26.211880  Writing SMRR. base = 0x7b000006, mask=0xff800800

  521 21:32:26.215178  Relocation complete.

  522 21:32:26.215282  New SMBASE 0x7afffc00

  523 21:32:26.218638  In relocation handler: CPU 1

  524 21:32:26.221720  New SMBASE=0x7afffc00 IEDBASE=0x7b400000

  525 21:32:26.228012  Writing SMRR. base = 0x7b000006, mask=0xff800800

  526 21:32:26.231847  Relocation complete.

  527 21:32:26.231954  New SMBASE 0x7afff800

  528 21:32:26.234946  In relocation handler: CPU 2

  529 21:32:26.238093  New SMBASE=0x7afff800 IEDBASE=0x7b400000

  530 21:32:26.244855  Writing SMRR. base = 0x7b000006, mask=0xff800800

  531 21:32:26.247864  Relocation complete.

  532 21:32:26.247966  New SMBASE 0x7afff400

  533 21:32:26.251502  In relocation handler: CPU 3

  534 21:32:26.254708  New SMBASE=0x7afff400 IEDBASE=0x7b400000

  535 21:32:26.261249  Writing SMRR. base = 0x7b000006, mask=0xff800800

  536 21:32:26.261339  Relocation complete.

  537 21:32:26.264468  Initializing CPU #0

  538 21:32:26.267697  CPU: vendor Intel device 806e9

  539 21:32:26.271170  CPU: family 06, model 8e, stepping 09

  540 21:32:26.278181  Setting up local APIC... apic_id: 0x00 done.

  541 21:32:26.278281  Turbo is available but hidden

  542 21:32:26.281220  Turbo has been enabled

  543 21:32:26.284229  SGX : param.enable = 0

  544 21:32:26.287711  Skip microcode update

  545 21:32:26.287863  CPU #0 initialized

  546 21:32:26.291021  Initializing CPU #1

  547 21:32:26.291157  Initializing CPU #2

  548 21:32:26.294619  Initializing CPU #3

  549 21:32:26.297738  CPU: vendor Intel device 806e9

  550 21:32:26.300910  CPU: family 06, model 8e, stepping 09

  551 21:32:26.304270  CPU: vendor Intel device 806e9

  552 21:32:26.307932  CPU: family 06, model 8e, stepping 09

  553 21:32:26.317246  Setting up local APIC...Setting up local APIC...CPU: vendor Intel device 806e9

  554 21:32:26.320974  CPU: family 06, model 8e, stepping 09

  555 21:32:26.321114   apic_id: 0x03 done.

  556 21:32:26.327586  Setting up local APIC... apic_id: 0x01 done.

  557 21:32:26.327717  Skip microcode update

  558 21:32:26.330466   apic_id: 0x02 done.

  559 21:32:26.334266  CPU #2 initialized

  560 21:32:26.334352  Skip microcode update

  561 21:32:26.337548  Skip microcode update

  562 21:32:26.340935  CPU #3 initialized

  563 21:32:26.341036  CPU #1 initialized

  564 21:32:26.343828  bsp_do_flight_plan done after 226 msecs.

  565 21:32:26.347171  CPU: frequency set to 3400 MHz

  566 21:32:26.350807  Enabling SMIs.

  567 21:32:26.350893  Locking SMM.

  568 21:32:26.354108  VMX : param.enable = 1

  569 21:32:26.357604  VMX status: enabled, unlocked

  570 21:32:26.360455  SGX: pre-conditions not met

  571 21:32:26.363709  VMX status: enabled, unlocked

  572 21:32:26.363796  SGX: pre-conditions not met

  573 21:32:26.367255  VMX status: enabled, unlocked

  574 21:32:26.370685  VMX status: enabled, unlocked

  575 21:32:26.373683  SGX: pre-conditions not met

  576 21:32:26.376810  SGX: pre-conditions not met

  577 21:32:26.383671  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  578 21:32:26.387076  CBFS: Locating 'vbt.bin'

  579 21:32:26.390296  CBFS: Found @ offset 103a00 size 48e

  580 21:32:26.393769  Found a VBT of 4608 bytes after decompression

  581 21:32:26.398169  psys_pmax = 360

  582 21:32:26.401833  FMAP: area GBB found @ c11000 (978944 bytes)

  583 21:32:26.511462  ITSS IRQ Polarities Before:

  584 21:32:26.514973  IPC0: 0x00ff4000

  585 21:32:26.515068  IPC1: 0x00000007

  586 21:32:26.517925  IPC2: 0x00000000

  587 21:32:26.518013  IPC3: 0x00000000

  588 21:32:26.521628  ITSS IRQ Polarities After:

  589 21:32:26.524766  IPC0: 0x00ff4000

  590 21:32:26.524862  IPC1: 0x00000007

  591 21:32:26.528148  IPC2: 0x00000000

  592 21:32:26.528232  IPC3: 0x00000000

  593 21:32:26.534738  Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU

  594 21:32:26.541116  BS: BS_DEV_INIT_CHIPS times (us): entry 376069 run 164029 exit 0

  595 21:32:26.544490  Enumerating buses...

  596 21:32:26.547747  Show all devs... Before device enumeration.

  597 21:32:26.551541  Root Device: enabled 1

  598 21:32:26.551654  CPU_CLUSTER: 0: enabled 1

  599 21:32:26.554565  DOMAIN: 0000: enabled 1

  600 21:32:26.557566  APIC: 00: enabled 1

  601 21:32:26.561746  PCI: 00:00.0: enabled 1

  602 21:32:26.561829  PCI: 00:02.0: enabled 1

  603 21:32:26.564428  PCI: 00:14.0: enabled 1

  604 21:32:26.567704  PCI: 00:14.1: enabled 0

  605 21:32:26.567810  PCI: 00:14.2: enabled 1

  606 21:32:26.570932  PCI: 00:15.0: enabled 1

  607 21:32:26.574481  PCI: 00:15.1: enabled 1

  608 21:32:26.577634  PCI: 00:15.2: enabled 0

  609 21:32:26.577715  PCI: 00:15.3: enabled 0

  610 21:32:26.581062  PCI: 00:16.0: enabled 1

  611 21:32:26.584022  PCI: 00:16.1: enabled 0

  612 21:32:26.587497  PCI: 00:16.2: enabled 0

  613 21:32:26.587607  PCI: 00:16.3: enabled 0

  614 21:32:26.591075  PCI: 00:16.4: enabled 0

  615 21:32:26.594170  PCI: 00:17.0: enabled 0

  616 21:32:26.597310  PCI: 00:19.0: enabled 1

  617 21:32:26.597425  PCI: 00:19.1: enabled 1

  618 21:32:26.600961  PCI: 00:19.2: enabled 0

  619 21:32:26.604179  PCI: 00:1c.0: enabled 1

  620 21:32:26.607255  PCI: 00:1c.1: enabled 0

  621 21:32:26.607365  PCI: 00:1c.2: enabled 0

  622 21:32:26.610436  PCI: 00:1c.3: enabled 0

  623 21:32:26.614425  PCI: 00:1c.4: enabled 0

  624 21:32:26.614527  PCI: 00:1c.5: enabled 0

  625 21:32:26.617591  PCI: 00:1c.6: enabled 0

  626 21:32:26.620375  PCI: 00:1c.7: enabled 0

  627 21:32:26.623912  PCI: 00:1d.0: enabled 0

  628 21:32:26.624021  PCI: 00:1d.1: enabled 0

  629 21:32:26.626996  PCI: 00:1d.2: enabled 0

  630 21:32:26.630704  PCI: 00:1d.3: enabled 0

  631 21:32:26.634017  PCI: 00:1e.0: enabled 1

  632 21:32:26.634106  PCI: 00:1e.1: enabled 0

  633 21:32:26.637233  PCI: 00:1e.2: enabled 1

  634 21:32:26.640181  PCI: 00:1e.3: enabled 0

  635 21:32:26.643992  PCI: 00:1e.4: enabled 1

  636 21:32:26.644077  PCI: 00:1e.5: enabled 0

  637 21:32:26.647011  PCI: 00:1e.6: enabled 1

  638 21:32:26.650617  PCI: 00:1f.0: enabled 1

  639 21:32:26.650702  PCI: 00:1f.1: enabled 1

  640 21:32:26.653801  PCI: 00:1f.2: enabled 1

  641 21:32:26.656946  PCI: 00:1f.3: enabled 1

  642 21:32:26.660129  PCI: 00:1f.4: enabled 1

  643 21:32:26.660214  PCI: 00:1f.5: enabled 1

  644 21:32:26.663620  PCI: 00:1f.6: enabled 0

  645 21:32:26.666982  USB0 port 0: enabled 1

  646 21:32:26.670162  I2C: 00:5c: enabled 1

  647 21:32:26.670281  I2C: 00:15: enabled 1

  648 21:32:26.673214  I2C: 00:39: enabled 1

  649 21:32:26.676927  I2C: 00:3a: enabled 1

  650 21:32:26.677033  I2C: 00:1a: enabled 1

  651 21:32:26.680275  PCI: 00:00.0: enabled 1

  652 21:32:26.683342  SPI: 00: enabled 1

  653 21:32:26.683457  PNP: 0c09.0: enabled 1

  654 21:32:26.686492  USB2 port 0: enabled 1

  655 21:32:26.689950  USB2 port 1: enabled 1

  656 21:32:26.690063  USB2 port 2: enabled 1

  657 21:32:26.693474  USB2 port 4: enabled 1

  658 21:32:26.696877  USB2 port 8: enabled 1

  659 21:32:26.696963  APIC: 01: enabled 1

  660 21:32:26.699831  APIC: 03: enabled 1

  661 21:32:26.703463  APIC: 02: enabled 1

  662 21:32:26.703589  Compare with tree...

  663 21:32:26.706479  Root Device: enabled 1

  664 21:32:26.709722   CPU_CLUSTER: 0: enabled 1

  665 21:32:26.713017    APIC: 00: enabled 1

  666 21:32:26.713104    APIC: 01: enabled 1

  667 21:32:26.716335    APIC: 03: enabled 1

  668 21:32:26.719875    APIC: 02: enabled 1

  669 21:32:26.719953   DOMAIN: 0000: enabled 1

  670 21:32:26.722815    PCI: 00:00.0: enabled 1

  671 21:32:26.726065    PCI: 00:02.0: enabled 1

  672 21:32:26.729772    PCI: 00:14.0: enabled 1

  673 21:32:26.732772     USB0 port 0: enabled 1

  674 21:32:26.732847      USB2 port 0: enabled 1

  675 21:32:26.736338      USB2 port 1: enabled 1

  676 21:32:26.739277      USB2 port 2: enabled 1

  677 21:32:26.742797      USB2 port 4: enabled 1

  678 21:32:26.746392      USB2 port 8: enabled 1

  679 21:32:26.746509    PCI: 00:14.1: enabled 0

  680 21:32:26.749589    PCI: 00:14.2: enabled 1

  681 21:32:26.753062    PCI: 00:15.0: enabled 1

  682 21:32:26.755967     I2C: 00:5c: enabled 1

  683 21:32:26.759583    PCI: 00:15.1: enabled 1

  684 21:32:26.759703     I2C: 00:15: enabled 1

  685 21:32:26.762736    PCI: 00:15.2: enabled 0

  686 21:32:26.766216    PCI: 00:15.3: enabled 0

  687 21:32:26.769257    PCI: 00:16.0: enabled 1

  688 21:32:26.769346    PCI: 00:16.1: enabled 0

  689 21:32:26.773052    PCI: 00:16.2: enabled 0

  690 21:32:26.776336    PCI: 00:16.3: enabled 0

  691 21:32:26.779385    PCI: 00:16.4: enabled 0

  692 21:32:26.782530    PCI: 00:17.0: enabled 0

  693 21:32:26.782615    PCI: 00:19.0: enabled 1

  694 21:32:26.786240    PCI: 00:19.1: enabled 1

  695 21:32:26.789343     I2C: 00:39: enabled 1

  696 21:32:26.792428     I2C: 00:3a: enabled 1

  697 21:32:26.796023     I2C: 00:1a: enabled 1

  698 21:32:26.796123    PCI: 00:19.2: enabled 0

  699 21:32:26.799069    PCI: 00:1c.0: enabled 1

  700 21:32:26.802771     PCI: 00:00.0: enabled 1

  701 21:32:26.805628    PCI: 00:1c.1: enabled 0

  702 21:32:26.809278    PCI: 00:1c.2: enabled 0

  703 21:32:26.809373    PCI: 00:1c.3: enabled 0

  704 21:32:26.812710    PCI: 00:1c.4: enabled 0

  705 21:32:26.815753    PCI: 00:1c.5: enabled 0

  706 21:32:26.818958    PCI: 00:1c.6: enabled 0

  707 21:32:26.822709    PCI: 00:1c.7: enabled 0

  708 21:32:26.822795    PCI: 00:1d.0: enabled 0

  709 21:32:26.825822    PCI: 00:1d.1: enabled 0

  710 21:32:26.828977    PCI: 00:1d.2: enabled 0

  711 21:32:26.832029    PCI: 00:1d.3: enabled 0

  712 21:32:26.832108    PCI: 00:1e.0: enabled 1

  713 21:32:26.835565    PCI: 00:1e.1: enabled 0

  714 21:32:26.838658    PCI: 00:1e.2: enabled 1

  715 21:32:26.842278     SPI: 00: enabled 1

  716 21:32:26.845426    PCI: 00:1e.3: enabled 0

  717 21:32:26.845502    PCI: 00:1e.4: enabled 1

  718 21:32:26.849148    PCI: 00:1e.5: enabled 0

  719 21:32:26.852075    PCI: 00:1e.6: enabled 1

  720 21:32:26.855173    PCI: 00:1f.0: enabled 1

  721 21:32:26.858496     PNP: 0c09.0: enabled 1

  722 21:32:26.858581    PCI: 00:1f.1: enabled 1

  723 21:32:26.861900    PCI: 00:1f.2: enabled 1

  724 21:32:26.865232    PCI: 00:1f.3: enabled 1

  725 21:32:26.868599    PCI: 00:1f.4: enabled 1

  726 21:32:26.868684    PCI: 00:1f.5: enabled 1

  727 21:32:26.872216    PCI: 00:1f.6: enabled 0

  728 21:32:26.875096  Root Device scanning...

  729 21:32:26.878786  root_dev_scan_bus for Root Device

  730 21:32:26.881858  CPU_CLUSTER: 0 enabled

  731 21:32:26.881967  DOMAIN: 0000 enabled

  732 21:32:26.884943  DOMAIN: 0000 scanning...

  733 21:32:26.888747  PCI: pci_scan_bus for bus 00

  734 21:32:26.891852  PCI: 00:00.0 [8086/0000] ops

  735 21:32:26.894976  PCI: 00:00.0 [8086/590c] enabled

  736 21:32:26.898206  PCI: 00:02.0 [8086/0000] ops

  737 21:32:26.901413  PCI: 00:02.0 [8086/591c] enabled

  738 21:32:26.904995  PCI: 00:04.0 [8086/1903] enabled

  739 21:32:26.908524  PCI: 00:08.0 [8086/1911] enabled

  740 21:32:26.911924  PCI: 00:14.0 [8086/0000] bus ops

  741 21:32:26.914786  PCI: 00:14.0 [8086/9d2f] enabled

  742 21:32:26.918227  PCI: 00:14.2 [8086/9d31] enabled

  743 21:32:26.921475  PCI: 00:15.0 [8086/0000] bus ops

  744 21:32:26.924923  PCI: 00:15.0 [8086/9d60] enabled

  745 21:32:26.928439  PCI: 00:15.1 [8086/0000] bus ops

  746 21:32:26.931425  PCI: 00:15.1 [8086/9d61] enabled

  747 21:32:26.935094  PCI: 00:16.0 [8086/0000] ops

  748 21:32:26.938300  PCI: 00:16.0 [8086/9d3a] enabled

  749 21:32:26.941526  PCI: 00:19.0 [8086/0000] ops

  750 21:32:26.945025  PCI: 00:19.0 [8086/9d66] enabled

  751 21:32:26.948165  PCI: 00:19.1 [8086/0000] bus ops

  752 21:32:26.951658  PCI: 00:19.1 [8086/9d65] enabled

  753 21:32:26.954456  PCI: 00:1c.0 [8086/0000] bus ops

  754 21:32:26.958191  PCI: 00:1c.0 [8086/9d10] enabled

  755 21:32:26.961460  PCI: 00:1e.0 [8086/0000] ops

  756 21:32:26.964332  PCI: 00:1e.0 [8086/9d27] enabled

  757 21:32:26.967891  PCI: 00:1e.2 [8086/0000] bus ops

  758 21:32:26.971187  PCI: 00:1e.2 [8086/9d29] enabled

  759 21:32:26.974445  PCI: 00:1e.4 [8086/9d2b] enabled

  760 21:32:26.977775  PCI: 00:1e.6 [8086/0000] ops

  761 21:32:26.980947  PCI: 00:1e.6 [8086/9d2d] enabled

  762 21:32:26.984505  PCI: 00:1f.0 [8086/0000] bus ops

  763 21:32:26.987486  PCI: 00:1f.0 [8086/9d4b] enabled

  764 21:32:26.990686  PCI: Static device PCI: 00:1f.1 not found, disabling it.

  765 21:32:26.994389  PCI: 00:1f.2 [8086/0000] bus ops

  766 21:32:26.997550  PCI: 00:1f.2 [8086/9d21] enabled

  767 21:32:27.000711  PCI: 00:1f.3 [8086/0000] bus ops

  768 21:32:27.004618  PCI: 00:1f.3 [8086/9d71] enabled

  769 21:32:27.007479  PCI: 00:1f.4 [8086/0000] bus ops

  770 21:32:27.010669  PCI: 00:1f.4 [8086/9d23] enabled

  771 21:32:27.014316  PCI: 00:1f.5 [8086/0000] bus ops

  772 21:32:27.017555  PCI: 00:1f.5 [8086/9d24] enabled

  773 21:32:27.020746  PCI: 00:14.0 scanning...

  774 21:32:27.023846  scan_usb_bus for PCI: 00:14.0

  775 21:32:27.027465  USB0 port 0 enabled

  776 21:32:27.027599  USB0 port 0 scanning...

  777 21:32:27.030803  scan_usb_bus for USB0 port 0

  778 21:32:27.033911  USB2 port 0 enabled

  779 21:32:27.037672  USB2 port 1 enabled

  780 21:32:27.037795  USB2 port 2 enabled

  781 21:32:27.040609  USB2 port 4 enabled

  782 21:32:27.040734  USB2 port 8 enabled

  783 21:32:27.043713  USB2 port 0 scanning...

  784 21:32:27.046849  scan_usb_bus for USB2 port 0

  785 21:32:27.050426  scan_usb_bus for USB2 port 0 done

  786 21:32:27.056813  scan_bus: scanning of bus USB2 port 0 took 8972 usecs

  787 21:32:27.056959  USB2 port 1 scanning...

  788 21:32:27.060562  scan_usb_bus for USB2 port 1

  789 21:32:27.063563  scan_usb_bus for USB2 port 1 done

  790 21:32:27.070305  scan_bus: scanning of bus USB2 port 1 took 8972 usecs

  791 21:32:27.073350  USB2 port 2 scanning...

  792 21:32:27.077168  scan_usb_bus for USB2 port 2

  793 21:32:27.080041  scan_usb_bus for USB2 port 2 done

  794 21:32:27.083372  scan_bus: scanning of bus USB2 port 2 took 8975 usecs

  795 21:32:27.087282  USB2 port 4 scanning...

  796 21:32:27.090584  scan_usb_bus for USB2 port 4

  797 21:32:27.093249  scan_usb_bus for USB2 port 4 done

  798 21:32:27.100477  scan_bus: scanning of bus USB2 port 4 took 8975 usecs

  799 21:32:27.100621  USB2 port 8 scanning...

  800 21:32:27.103658  scan_usb_bus for USB2 port 8

  801 21:32:27.106613  scan_usb_bus for USB2 port 8 done

  802 21:32:27.113378  scan_bus: scanning of bus USB2 port 8 took 8975 usecs

  803 21:32:27.116659  scan_usb_bus for USB0 port 0 done

  804 21:32:27.123567  scan_bus: scanning of bus USB0 port 0 took 90972 usecs

  805 21:32:27.126665  scan_usb_bus for PCI: 00:14.0 done

  806 21:32:27.129801  scan_bus: scanning of bus PCI: 00:14.0 took 107752 usecs

  807 21:32:27.133523  PCI: 00:15.0 scanning...

  808 21:32:27.136491  scan_generic_bus for PCI: 00:15.0

  809 21:32:27.140024  bus: PCI: 00:15.0[0]->I2C: 01:5c enabled

  810 21:32:27.146510  scan_generic_bus for PCI: 00:15.0 done

  811 21:32:27.149736  scan_bus: scanning of bus PCI: 00:15.0 took 14144 usecs

  812 21:32:27.152854  PCI: 00:15.1 scanning...

  813 21:32:27.156532  scan_generic_bus for PCI: 00:15.1

  814 21:32:27.159574  bus: PCI: 00:15.1[0]->I2C: 02:15 enabled

  815 21:32:27.166012  scan_generic_bus for PCI: 00:15.1 done

  816 21:32:27.169724  scan_bus: scanning of bus PCI: 00:15.1 took 14145 usecs

  817 21:32:27.172937  PCI: 00:19.1 scanning...

  818 21:32:27.176071  scan_generic_bus for PCI: 00:19.1

  819 21:32:27.179188  bus: PCI: 00:19.1[0]->I2C: 03:39 enabled

  820 21:32:27.185848  bus: PCI: 00:19.1[0]->I2C: 03:3a enabled

  821 21:32:27.189678  bus: PCI: 00:19.1[0]->I2C: 03:1a enabled

  822 21:32:27.192564  scan_generic_bus for PCI: 00:19.1 done

  823 21:32:27.199423  scan_bus: scanning of bus PCI: 00:19.1 took 22372 usecs

  824 21:32:27.199509  PCI: 00:1c.0 scanning...

  825 21:32:27.206154  do_pci_scan_bridge for PCI: 00:1c.0

  826 21:32:27.206249  PCI: pci_scan_bus for bus 01

  827 21:32:27.209294  PCI: 01:00.0 [8086/095a] enabled

  828 21:32:27.212909  Capability: type 0x01 @ 0xc8

  829 21:32:27.215940  Capability: type 0x05 @ 0xd0

  830 21:32:27.219107  Capability: type 0x10 @ 0x40

  831 21:32:27.223171  Capability: type 0x10 @ 0x40

  832 21:32:27.226123  Enabling Common Clock Configuration

  833 21:32:27.229313  L1 Sub-State supported from root port 28

  834 21:32:27.232633  L1 Sub-State Support = 0xf

  835 21:32:27.236067  CommonModeRestoreTime = 0x28

  836 21:32:27.239351  Power On Value = 0x1e, Power On Scale = 0x0

  837 21:32:27.242355  ASPM: Enabled L1

  838 21:32:27.245962  Capability: type 0x01 @ 0xc8

  839 21:32:27.249013  Capability: type 0x05 @ 0xd0

  840 21:32:27.252604  Capability: type 0x10 @ 0x40

  841 21:32:27.255697  scan_bus: scanning of bus PCI: 00:1c.0 took 53533 usecs

  842 21:32:27.259191  PCI: 00:1e.2 scanning...

  843 21:32:27.262609  scan_generic_bus for PCI: 00:1e.2

  844 21:32:27.265592  bus: PCI: 00:1e.2[0]->SPI: 00 enabled

  845 21:32:27.272281  scan_generic_bus for PCI: 00:1e.2 done

  846 21:32:27.275781  scan_bus: scanning of bus PCI: 00:1e.2 took 13865 usecs

  847 21:32:27.278937  PCI: 00:1f.0 scanning...

  848 21:32:27.282044  scan_lpc_bus for PCI: 00:1f.0

  849 21:32:27.285249  PNP: 0c09.0 enabled

  850 21:32:27.289049  scan_lpc_bus for PCI: 00:1f.0 done

  851 21:32:27.291950  scan_bus: scanning of bus PCI: 00:1f.0 took 11322 usecs

  852 21:32:27.295355  PCI: 00:1f.2 scanning...

  853 21:32:27.299000  scan_lpc_bus for PCI: 00:1f.2

  854 21:32:27.302110  scan_lpc_bus for PCI: 00:1f.2 done

  855 21:32:27.308975  scan_bus: scanning of bus PCI: 00:1f.2 took 9268 usecs

  856 21:32:27.311920  PCI: 00:1f.3 scanning...

  857 21:32:27.315198  scan_bus: scanning of bus PCI: 00:1f.3 took 2718 usecs

  858 21:32:27.318899  PCI: 00:1f.4 scanning...

  859 21:32:27.322096  scan_generic_bus for PCI: 00:1f.4

  860 21:32:27.325580  scan_generic_bus for PCI: 00:1f.4 done

  861 21:32:27.331778  scan_bus: scanning of bus PCI: 00:1f.4 took 10048 usecs

  862 21:32:27.335116  PCI: 00:1f.5 scanning...

  863 21:32:27.338358  scan_generic_bus for PCI: 00:1f.5

  864 21:32:27.342168  scan_generic_bus for PCI: 00:1f.5 done

  865 21:32:27.348246  scan_bus: scanning of bus PCI: 00:1f.5 took 10040 usecs

  866 21:32:27.351583  scan_bus: scanning of bus DOMAIN: 0000 took 466055 usecs

  867 21:32:27.358365  root_dev_scan_bus for Root Device done

  868 21:32:27.361343  scan_bus: scanning of bus Root Device took 486170 usecs

  869 21:32:27.361429  done

  870 21:32:27.365184  Chrome EC: UHEPI supported

  871 21:32:27.371613  FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes)

  872 21:32:27.378471  MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'.

  873 21:32:27.384648  SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000

  874 21:32:27.392818  FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes)

  875 21:32:27.396549  SPI flash protection: WPSW=0 SRP0=0

  876 21:32:27.402855  MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'.

  877 21:32:27.409933  BS: BS_DEV_ENUMERATE times (us): entry 0 run 825978 exit 39237

  878 21:32:27.410042  found VGA at PCI: 00:02.0

  879 21:32:27.413106  Setting up VGA for PCI: 00:02.0

  880 21:32:27.419726  Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000

  881 21:32:27.422650  Setting PCI_BRIDGE_CTL_VGA for bridge Root Device

  882 21:32:27.425922  Allocating resources...

  883 21:32:27.429275  Reading resources...

  884 21:32:27.432671  Root Device read_resources bus 0 link: 0

  885 21:32:27.436055  CPU_CLUSTER: 0 read_resources bus 0 link: 0

  886 21:32:27.442340  CPU_CLUSTER: 0 read_resources bus 0 link: 0 done

  887 21:32:27.446056  DOMAIN: 0000 read_resources bus 0 link: 0

  888 21:32:27.452961  PCI: 00:14.0 read_resources bus 0 link: 0

  889 21:32:27.456201  USB0 port 0 read_resources bus 0 link: 0

  890 21:32:27.462483  USB0 port 0 read_resources bus 0 link: 0 done

  891 21:32:27.466011  PCI: 00:14.0 read_resources bus 0 link: 0 done

  892 21:32:27.472768  PCI: 00:15.0 read_resources bus 1 link: 0

  893 21:32:27.476105  PCI: 00:15.0 read_resources bus 1 link: 0 done

  894 21:32:27.479018  PCI: 00:15.1 read_resources bus 2 link: 0

  895 21:32:27.486345  PCI: 00:15.1 read_resources bus 2 link: 0 done

  896 21:32:27.489263  PCI: 00:19.1 read_resources bus 3 link: 0

  897 21:32:27.496477  PCI: 00:19.1 read_resources bus 3 link: 0 done

  898 21:32:27.499825  PCI: 00:1c.0 read_resources bus 1 link: 0

  899 21:32:27.506469  PCI: 00:1c.0 read_resources bus 1 link: 0 done

  900 21:32:27.509749  PCI: 00:1e.2 read_resources bus 4 link: 0

  901 21:32:27.516113  PCI: 00:1e.2 read_resources bus 4 link: 0 done

  902 21:32:27.519352  PCI: 00:1f.0 read_resources bus 0 link: 0

  903 21:32:27.526217  PCI: 00:1f.0 read_resources bus 0 link: 0 done

  904 21:32:27.529437  DOMAIN: 0000 read_resources bus 0 link: 0 done

  905 21:32:27.536059  Root Device read_resources bus 0 link: 0 done

  906 21:32:27.539435  Done reading resources.

  907 21:32:27.542817  Show resources in subtree (Root Device)...After reading.

  908 21:32:27.549472   Root Device child on link 0 CPU_CLUSTER: 0

  909 21:32:27.552716    CPU_CLUSTER: 0 child on link 0 APIC: 00

  910 21:32:27.552803     APIC: 00

  911 21:32:27.556137     APIC: 01

  912 21:32:27.556224     APIC: 03

  913 21:32:27.556293     APIC: 02

  914 21:32:27.562914    DOMAIN: 0000 child on link 0 PCI: 00:00.0

  915 21:32:27.572804    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000

  916 21:32:27.579654    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100

  917 21:32:27.582505     PCI: 00:00.0

  918 21:32:27.592723     PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0

  919 21:32:27.602672     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

  920 21:32:27.612288     PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2

  921 21:32:27.618788     PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3

  922 21:32:27.628745     PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4

  923 21:32:27.639108     PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5

  924 21:32:27.648505     PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6

  925 21:32:27.658311     PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7

  926 21:32:27.665244     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8

  927 21:32:27.675105     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9

  928 21:32:27.684842     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

  929 21:32:27.694754     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c

  930 21:32:27.705068     PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d

  931 21:32:27.714793     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e

  932 21:32:27.721874     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f

  933 21:32:27.724614     PCI: 00:02.0

  934 21:32:27.734514     PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10

  935 21:32:27.744407     PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18

  936 21:32:27.754546     PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20

  937 21:32:27.754678     PCI: 00:04.0

  938 21:32:27.764671     PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10

  939 21:32:27.767524     PCI: 00:08.0

  940 21:32:27.777460     PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  941 21:32:27.781289     PCI: 00:14.0 child on link 0 USB0 port 0

  942 21:32:27.791329     PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10

  943 21:32:27.794061      USB0 port 0 child on link 0 USB2 port 0

  944 21:32:27.797994       USB2 port 0

  945 21:32:27.798072       USB2 port 1

  946 21:32:27.801064       USB2 port 2

  947 21:32:27.801138       USB2 port 4

  948 21:32:27.804225       USB2 port 8

  949 21:32:27.804300     PCI: 00:14.1

  950 21:32:27.807411     PCI: 00:14.2

  951 21:32:27.817398     PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  952 21:32:27.821104     PCI: 00:15.0 child on link 0 I2C: 01:5c

  953 21:32:27.830956     PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  954 21:32:27.834291      I2C: 01:5c

  955 21:32:27.837210     PCI: 00:15.1 child on link 0 I2C: 02:15

  956 21:32:27.847265     PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  957 21:32:27.847394      I2C: 02:15

  958 21:32:27.850382     PCI: 00:15.2

  959 21:32:27.850470     PCI: 00:15.3

  960 21:32:27.854319     PCI: 00:16.0

  961 21:32:27.863591     PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  962 21:32:27.863701     PCI: 00:16.1

  963 21:32:27.867213     PCI: 00:16.2

  964 21:32:27.867324     PCI: 00:16.3

  965 21:32:27.870193     PCI: 00:16.4

  966 21:32:27.870309     PCI: 00:17.0

  967 21:32:27.873754     PCI: 00:19.0

  968 21:32:27.883681     PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10

  969 21:32:27.893711     PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  970 21:32:27.900569     PCI: 00:19.1 child on link 0 I2C: 03:39

  971 21:32:27.910573     PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  972 21:32:27.910662      I2C: 03:39

  973 21:32:27.913483      I2C: 03:3a

  974 21:32:27.913596      I2C: 03:1a

  975 21:32:27.916706     PCI: 00:19.2

  976 21:32:27.920272     PCI: 00:1c.0 child on link 0 PCI: 01:00.0

  977 21:32:27.927126     PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c

  978 21:32:27.937019     PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24

  979 21:32:27.946520     PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20

  980 21:32:27.949665      PCI: 01:00.0

  981 21:32:27.960021      PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10

  982 21:32:27.960110     PCI: 00:1c.1

  983 21:32:27.963095     PCI: 00:1c.2

  984 21:32:27.963222     PCI: 00:1c.3

  985 21:32:27.966131     PCI: 00:1c.4

  986 21:32:27.966256     PCI: 00:1c.5

  987 21:32:27.970167     PCI: 00:1c.6

  988 21:32:27.970302     PCI: 00:1c.7

  989 21:32:27.972906     PCI: 00:1d.0

  990 21:32:27.973036     PCI: 00:1d.1

  991 21:32:27.976063     PCI: 00:1d.2

  992 21:32:27.976190     PCI: 00:1d.3

  993 21:32:27.979635     PCI: 00:1e.0

  994 21:32:27.989504     PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  995 21:32:27.989636     PCI: 00:1e.1

  996 21:32:27.993042     PCI: 00:1e.2 child on link 0 SPI: 00

  997 21:32:28.003196     PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  998 21:32:28.006171      SPI: 00

  999 21:32:28.006305     PCI: 00:1e.3

 1000 21:32:28.009236     PCI: 00:1e.4

 1001 21:32:28.019258     PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

 1002 21:32:28.019373     PCI: 00:1e.5

 1003 21:32:28.022683     PCI: 00:1e.6

 1004 21:32:28.032922     PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

 1005 21:32:28.036064     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

 1006 21:32:28.045419     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

 1007 21:32:28.045565      PNP: 0c09.0

 1008 21:32:28.055984      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1009 21:32:28.056118     PCI: 00:1f.1

 1010 21:32:28.058714     PCI: 00:1f.2

 1011 21:32:28.069004     PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10

 1012 21:32:28.078846     PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48

 1013 21:32:28.085623     PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40

 1014 21:32:28.088413     PCI: 00:1f.3

 1015 21:32:28.098604     PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10

 1016 21:32:28.108304     PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20

 1017 21:32:28.108392     PCI: 00:1f.4

 1018 21:32:28.118454     PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20

 1019 21:32:28.128031     PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10

 1020 21:32:28.131659     PCI: 00:1f.5

 1021 21:32:28.138168     PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10

 1022 21:32:28.141215     PCI: 00:1f.6

 1023 21:32:28.147968  DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff

 1024 21:32:28.154572  PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff

 1025 21:32:28.161230  PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done

 1026 21:32:28.164560  PCI: 00:02.0 20 *  [0x0 - 0x3f] io

 1027 21:32:28.171259  DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done

 1028 21:32:28.178170  DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff

 1029 21:32:28.184770  PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff

 1030 21:32:28.194209  PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done

 1031 21:32:28.201205  PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff

 1032 21:32:28.250794  PCI: 01:00.0 10 *  [0x0 - 0x1fff] mem

 1033 21:32:28.251120  PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done

 1034 21:32:28.251299  PCI: 00:02.0 18 *  [0x0 - 0xfffffff] prefmem

 1035 21:32:28.251441  PCI: 00:02.0 10 *  [0x10000000 - 0x10ffffff] mem

 1036 21:32:28.251562  PCI: 00:1c.0 20 *  [0x11000000 - 0x110fffff] mem

 1037 21:32:28.251695  PCI: 00:14.0 10 *  [0x11100000 - 0x1110ffff] mem

 1038 21:32:28.251823  PCI: 00:1f.3 20 *  [0x11110000 - 0x1111ffff] mem

 1039 21:32:28.252791  PCI: 00:04.0 10 *  [0x11120000 - 0x11127fff] mem

 1040 21:32:28.252907  PCI: 00:1f.2 10 *  [0x11128000 - 0x1112bfff] mem

 1041 21:32:28.253216  PCI: 00:1f.3 10 *  [0x1112c000 - 0x1112ffff] mem

 1042 21:32:28.300350  PCI: 00:08.0 10 *  [0x11130000 - 0x11130fff] mem

 1043 21:32:28.300711  PCI: 00:14.2 10 *  [0x11131000 - 0x11131fff] mem

 1044 21:32:28.301742  PCI: 00:15.0 10 *  [0x11132000 - 0x11132fff] mem

 1045 21:32:28.301838  PCI: 00:15.1 10 *  [0x11133000 - 0x11133fff] mem

 1046 21:32:28.302105  PCI: 00:16.0 10 *  [0x11134000 - 0x11134fff] mem

 1047 21:32:28.302214  PCI: 00:19.0 18 *  [0x11135000 - 0x11135fff] mem

 1048 21:32:28.302321  PCI: 00:19.1 10 *  [0x11136000 - 0x11136fff] mem

 1049 21:32:28.302431  PCI: 00:1e.0 10 *  [0x11137000 - 0x11137fff] mem

 1050 21:32:28.302795  PCI: 00:1e.2 10 *  [0x11138000 - 0x11138fff] mem

 1051 21:32:28.303249  PCI: 00:1e.4 10 *  [0x11139000 - 0x11139fff] mem

 1052 21:32:28.312391  PCI: 00:1e.6 10 *  [0x1113a000 - 0x1113afff] mem

 1053 21:32:28.315599  PCI: 00:1f.5 10 *  [0x1113b000 - 0x1113bfff] mem

 1054 21:32:28.315726  PCI: 00:1f.4 10 *  [0x1113c000 - 0x1113c0ff] mem

 1055 21:32:28.322778  DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done

 1056 21:32:28.325689  avoid_fixed_resources: DOMAIN: 0000

 1057 21:32:28.332666  avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff

 1058 21:32:28.339103  avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff

 1059 21:32:28.345528  constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed)

 1060 21:32:28.352682  constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed)

 1061 21:32:28.362060  constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed)

 1062 21:32:28.368417  constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed)

 1063 21:32:28.375358  constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed)

 1064 21:32:28.385026  constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed)

 1065 21:32:28.392071  constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed)

 1066 21:32:28.398266  constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed)

 1067 21:32:28.405132  avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f

 1068 21:32:28.414953  avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff

 1069 21:32:28.415037  Setting resources...

 1070 21:32:28.421664  DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f

 1071 21:32:28.424750  PCI: 00:02.0 20 *  [0x1c00 - 0x1c3f] io

 1072 21:32:28.431475  DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done

 1073 21:32:28.438387  PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f

 1074 21:32:28.444447  PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done

 1075 21:32:28.451277  DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff

 1076 21:32:28.458046  PCI: 00:02.0 18 *  [0xc0000000 - 0xcfffffff] prefmem

 1077 21:32:28.461054  PCI: 00:02.0 10 *  [0xd0000000 - 0xd0ffffff] mem

 1078 21:32:28.467460  PCI: 00:1c.0 20 *  [0xd1000000 - 0xd10fffff] mem

 1079 21:32:28.471086  PCI: 00:14.0 10 *  [0xd1100000 - 0xd110ffff] mem

 1080 21:32:28.477582  PCI: 00:1f.3 20 *  [0xd1110000 - 0xd111ffff] mem

 1081 21:32:28.481377  PCI: 00:04.0 10 *  [0xd1120000 - 0xd1127fff] mem

 1082 21:32:28.487830  PCI: 00:1f.2 10 *  [0xd1128000 - 0xd112bfff] mem

 1083 21:32:28.490832  PCI: 00:1f.3 10 *  [0xd112c000 - 0xd112ffff] mem

 1084 21:32:28.497400  PCI: 00:08.0 10 *  [0xd1130000 - 0xd1130fff] mem

 1085 21:32:28.500953  PCI: 00:14.2 10 *  [0xd1131000 - 0xd1131fff] mem

 1086 21:32:28.507339  PCI: 00:15.0 10 *  [0xd1132000 - 0xd1132fff] mem

 1087 21:32:28.511125  PCI: 00:15.1 10 *  [0xd1133000 - 0xd1133fff] mem

 1088 21:32:28.517392  PCI: 00:16.0 10 *  [0xd1134000 - 0xd1134fff] mem

 1089 21:32:28.521081  PCI: 00:19.0 18 *  [0xd1135000 - 0xd1135fff] mem

 1090 21:32:28.527019  PCI: 00:19.1 10 *  [0xd1136000 - 0xd1136fff] mem

 1091 21:32:28.530734  PCI: 00:1e.0 10 *  [0xd1137000 - 0xd1137fff] mem

 1092 21:32:28.537645  PCI: 00:1e.2 10 *  [0xd1138000 - 0xd1138fff] mem

 1093 21:32:28.540565  PCI: 00:1e.4 10 *  [0xd1139000 - 0xd1139fff] mem

 1094 21:32:28.543664  PCI: 00:1e.6 10 *  [0xd113a000 - 0xd113afff] mem

 1095 21:32:28.550368  PCI: 00:1f.5 10 *  [0xd113b000 - 0xd113bfff] mem

 1096 21:32:28.553453  PCI: 00:1f.4 10 *  [0xd113c000 - 0xd113c0ff] mem

 1097 21:32:28.563751  DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done

 1098 21:32:28.569901  PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff

 1099 21:32:28.576847  PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done

 1100 21:32:28.583364  PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff

 1101 21:32:28.590250  PCI: 01:00.0 10 *  [0xd1000000 - 0xd1001fff] mem

 1102 21:32:28.596575  PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done

 1103 21:32:28.600050  Root Device assign_resources, bus 0 link: 0

 1104 21:32:28.606639  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1105 21:32:28.612913  PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64

 1106 21:32:28.622986  PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64

 1107 21:32:28.629728  PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io

 1108 21:32:28.639636  PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64

 1109 21:32:28.646110  PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64

 1110 21:32:28.655849  PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64

 1111 21:32:28.659619  PCI: 00:14.0 assign_resources, bus 0 link: 0

 1112 21:32:28.662890  PCI: 00:14.0 assign_resources, bus 0 link: 0

 1113 21:32:28.672709  PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64

 1114 21:32:28.679540  PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64

 1115 21:32:28.685833  PCI: 00:15.0 assign_resources, bus 1 link: 0

 1116 21:32:28.688888  PCI: 00:15.0 assign_resources, bus 1 link: 0

 1117 21:32:28.699004  PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64

 1118 21:32:28.702196  PCI: 00:15.1 assign_resources, bus 2 link: 0

 1119 21:32:28.705439  PCI: 00:15.1 assign_resources, bus 2 link: 0

 1120 21:32:28.715279  PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64

 1121 21:32:28.722109  PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64

 1122 21:32:28.732083  PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64

 1123 21:32:28.735714  PCI: 00:19.1 assign_resources, bus 3 link: 0

 1124 21:32:28.739049  PCI: 00:19.1 assign_resources, bus 3 link: 0

 1125 21:32:28.748372  PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io

 1126 21:32:28.758309  PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem

 1127 21:32:28.765285  PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem

 1128 21:32:28.771720  PCI: 00:1c.0 assign_resources, bus 1 link: 0

 1129 21:32:28.778092  PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64

 1130 21:32:28.784888  PCI: 00:1c.0 assign_resources, bus 1 link: 0

 1131 21:32:28.791413  PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64

 1132 21:32:28.798242  PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64

 1133 21:32:28.805011  PCI: 00:1e.2 assign_resources, bus 4 link: 0

 1134 21:32:28.807989  PCI: 00:1e.2 assign_resources, bus 4 link: 0

 1135 21:32:28.817804  PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64

 1136 21:32:28.824324  PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64

 1137 21:32:28.831347  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1138 21:32:28.834787  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1139 21:32:28.838003  LPC: Trying to open IO window from 800 size 1ff

 1140 21:32:28.847773  PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem

 1141 21:32:28.854913  PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64

 1142 21:32:28.864476  PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64

 1143 21:32:28.870810  PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64

 1144 21:32:28.881372  PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem

 1145 21:32:28.884229  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1146 21:32:28.887491  Root Device assign_resources, bus 0 link: 0

 1147 21:32:28.890664  Done setting resources.

 1148 21:32:28.897617  Show resources in subtree (Root Device)...After assigning values.

 1149 21:32:28.900789   Root Device child on link 0 CPU_CLUSTER: 0

 1150 21:32:28.907349    CPU_CLUSTER: 0 child on link 0 APIC: 00

 1151 21:32:28.907477     APIC: 00

 1152 21:32:28.907592     APIC: 01

 1153 21:32:28.910926     APIC: 03

 1154 21:32:28.911035     APIC: 02

 1155 21:32:28.917518    DOMAIN: 0000 child on link 0 PCI: 00:00.0

 1156 21:32:28.924267    DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000

 1157 21:32:28.937481    DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100

 1158 21:32:28.937596     PCI: 00:00.0

 1159 21:32:28.946975     PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0

 1160 21:32:28.957039     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

 1161 21:32:28.967308     PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2

 1162 21:32:28.976637     PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3

 1163 21:32:28.983483     PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4

 1164 21:32:28.993576     PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5

 1165 21:32:29.003668     PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6

 1166 21:32:29.013626     PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7

 1167 21:32:29.023252     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8

 1168 21:32:29.030108     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9

 1169 21:32:29.039506     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

 1170 21:32:29.049228     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c

 1171 21:32:29.059388     PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d

 1172 21:32:29.069631     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e

 1173 21:32:29.079707     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f

 1174 21:32:29.079798     PCI: 00:02.0

 1175 21:32:29.088974     PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10

 1176 21:32:29.102796     PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18

 1177 21:32:29.108910     PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20

 1178 21:32:29.112985     PCI: 00:04.0

 1179 21:32:29.122081     PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10

 1180 21:32:29.125513     PCI: 00:08.0

 1181 21:32:29.135303     PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10

 1182 21:32:29.139274     PCI: 00:14.0 child on link 0 USB0 port 0

 1183 21:32:29.148976     PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10

 1184 21:32:29.151909      USB0 port 0 child on link 0 USB2 port 0

 1185 21:32:29.155629       USB2 port 0

 1186 21:32:29.158810       USB2 port 1

 1187 21:32:29.158930       USB2 port 2

 1188 21:32:29.161983       USB2 port 4

 1189 21:32:29.162108       USB2 port 8

 1190 21:32:29.165234     PCI: 00:14.1

 1191 21:32:29.165353     PCI: 00:14.2

 1192 21:32:29.175294     PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10

 1193 21:32:29.181734     PCI: 00:15.0 child on link 0 I2C: 01:5c

 1194 21:32:29.191865     PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10

 1195 21:32:29.191952      I2C: 01:5c

 1196 21:32:29.195067     PCI: 00:15.1 child on link 0 I2C: 02:15

 1197 21:32:29.208669     PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10

 1198 21:32:29.208759      I2C: 02:15

 1199 21:32:29.208825     PCI: 00:15.2

 1200 21:32:29.211749     PCI: 00:15.3

 1201 21:32:29.211826     PCI: 00:16.0

 1202 21:32:29.224675     PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10

 1203 21:32:29.224759     PCI: 00:16.1

 1204 21:32:29.228390     PCI: 00:16.2

 1205 21:32:29.228499     PCI: 00:16.3

 1206 21:32:29.231445     PCI: 00:16.4

 1207 21:32:29.231545     PCI: 00:17.0

 1208 21:32:29.234992     PCI: 00:19.0

 1209 21:32:29.244623     PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10

 1210 21:32:29.254567     PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18

 1211 21:32:29.258095     PCI: 00:19.1 child on link 0 I2C: 03:39

 1212 21:32:29.268030     PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10

 1213 21:32:29.270998      I2C: 03:39

 1214 21:32:29.271106      I2C: 03:3a

 1215 21:32:29.274827      I2C: 03:1a

 1216 21:32:29.274934     PCI: 00:19.2

 1217 21:32:29.281201     PCI: 00:1c.0 child on link 0 PCI: 01:00.0

 1218 21:32:29.291135     PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c

 1219 21:32:29.300952     PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24

 1220 21:32:29.311207     PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20

 1221 21:32:29.311323      PCI: 01:00.0

 1222 21:32:29.320998      PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10

 1223 21:32:29.324487     PCI: 00:1c.1

 1224 21:32:29.324574     PCI: 00:1c.2

 1225 21:32:29.327573     PCI: 00:1c.3

 1226 21:32:29.327665     PCI: 00:1c.4

 1227 21:32:29.330490     PCI: 00:1c.5

 1228 21:32:29.330572     PCI: 00:1c.6

 1229 21:32:29.334267     PCI: 00:1c.7

 1230 21:32:29.334349     PCI: 00:1d.0

 1231 21:32:29.337368     PCI: 00:1d.1

 1232 21:32:29.337456     PCI: 00:1d.2

 1233 21:32:29.340865     PCI: 00:1d.3

 1234 21:32:29.340948     PCI: 00:1e.0

 1235 21:32:29.353975     PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10

 1236 21:32:29.354063     PCI: 00:1e.1

 1237 21:32:29.357237     PCI: 00:1e.2 child on link 0 SPI: 00

 1238 21:32:29.366953     PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10

 1239 21:32:29.370600      SPI: 00

 1240 21:32:29.370717     PCI: 00:1e.3

 1241 21:32:29.373876     PCI: 00:1e.4

 1242 21:32:29.383534     PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10

 1243 21:32:29.383651     PCI: 00:1e.5

 1244 21:32:29.386796     PCI: 00:1e.6

 1245 21:32:29.396750     PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10

 1246 21:32:29.400458     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

 1247 21:32:29.410399     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

 1248 21:32:29.410511      PNP: 0c09.0

 1249 21:32:29.419829      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1250 21:32:29.423258     PCI: 00:1f.1

 1251 21:32:29.423370     PCI: 00:1f.2

 1252 21:32:29.433005     PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10

 1253 21:32:29.442924     PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48

 1254 21:32:29.453180     PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40

 1255 21:32:29.453290     PCI: 00:1f.3

 1256 21:32:29.462785     PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10

 1257 21:32:29.476370     PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20

 1258 21:32:29.476476     PCI: 00:1f.4

 1259 21:32:29.486036     PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20

 1260 21:32:29.496327     PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10

 1261 21:32:29.496456     PCI: 00:1f.5

 1262 21:32:29.509087     PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10

 1263 21:32:29.509231     PCI: 00:1f.6

 1264 21:32:29.512501  Done allocating resources.

 1265 21:32:29.519370  BS: BS_DEV_RESOURCES times (us): entry 0 run 2114268 exit 31

 1266 21:32:29.519494  Enabling resources...

 1267 21:32:29.526130  PCI: 00:00.0 subsystem <- 8086/590c

 1268 21:32:29.526253  PCI: 00:00.0 cmd <- 06

 1269 21:32:29.529569  PCI: 00:02.0 subsystem <- 8086/591c

 1270 21:32:29.533033  PCI: 00:02.0 cmd <- 03

 1271 21:32:29.536076  PCI: 00:04.0 cmd <- 02

 1272 21:32:29.539303  PCI: 00:08.0 cmd <- 06

 1273 21:32:29.542332  PCI: 00:14.0 subsystem <- 8086/9d2f

 1274 21:32:29.545414  PCI: 00:14.0 cmd <- 02

 1275 21:32:29.549234  PCI: 00:14.2 subsystem <- 8086/9d31

 1276 21:32:29.549340  PCI: 00:14.2 cmd <- 02

 1277 21:32:29.555305  PCI: 00:15.0 subsystem <- 8086/9d60

 1278 21:32:29.555410  PCI: 00:15.0 cmd <- 06

 1279 21:32:29.558890  PCI: 00:15.1 subsystem <- 8086/9d61

 1280 21:32:29.562352  PCI: 00:15.1 cmd <- 06

 1281 21:32:29.565788  PCI: 00:16.0 subsystem <- 8086/9d3a

 1282 21:32:29.568690  PCI: 00:16.0 cmd <- 02

 1283 21:32:29.572481  PCI: 00:19.0 subsystem <- 8086/9d66

 1284 21:32:29.575526  PCI: 00:19.0 cmd <- 06

 1285 21:32:29.578814  PCI: 00:19.1 subsystem <- 8086/9d65

 1286 21:32:29.582061  PCI: 00:19.1 cmd <- 06

 1287 21:32:29.585361  PCI: 00:1c.0 bridge ctrl <- 0003

 1288 21:32:29.588644  PCI: 00:1c.0 subsystem <- 8086/9d10

 1289 21:32:29.592043  PCI: 00:1c.0 cmd <- 06

 1290 21:32:29.595029  PCI: 00:1e.0 subsystem <- 8086/9d27

 1291 21:32:29.595109  PCI: 00:1e.0 cmd <- 06

 1292 21:32:29.602169  PCI: 00:1e.2 subsystem <- 8086/9d29

 1293 21:32:29.602278  PCI: 00:1e.2 cmd <- 06

 1294 21:32:29.605315  PCI: 00:1e.4 subsystem <- 8086/9d2b

 1295 21:32:29.608018  PCI: 00:1e.4 cmd <- 06

 1296 21:32:29.611931  PCI: 00:1e.6 subsystem <- 8086/9d2d

 1297 21:32:29.615022  PCI: 00:1e.6 cmd <- 06

 1298 21:32:29.618270  PCI: 00:1f.0 subsystem <- 8086/9d4b

 1299 21:32:29.621162  PCI: 00:1f.0 cmd <- 407

 1300 21:32:29.625018  PCI: 00:1f.2 subsystem <- 8086/9d21

 1301 21:32:29.628069  PCI: 00:1f.2 cmd <- 02

 1302 21:32:29.631876  PCI: 00:1f.3 subsystem <- 8086/9d71

 1303 21:32:29.634796  PCI: 00:1f.3 cmd <- 02

 1304 21:32:29.637690  PCI: 00:1f.4 subsystem <- 8086/9d23

 1305 21:32:29.637789  PCI: 00:1f.4 cmd <- 03

 1306 21:32:29.644367  PCI: 00:1f.5 subsystem <- 8086/9d24

 1307 21:32:29.644445  PCI: 00:1f.5 cmd <- 406

 1308 21:32:29.653737  PCI: 01:00.0 subsystem <- 8086/095a

 1309 21:32:29.653852  PCI: 01:00.0 cmd <- 02

 1310 21:32:29.657627  done.

 1311 21:32:29.674258  ME: Version : 11.8.50.3470

 1312 21:32:29.680973  BS: BS_DEV_ENABLE times (us): entry 230 run 139329 exit 18296

 1313 21:32:29.684236  Initializing devices...

 1314 21:32:29.687542  Root Device init ...

 1315 21:32:29.691195  Chrome EC: Set SMI mask to 0x0000000000000001

 1316 21:32:29.697995  Chrome EC: Set S5 LAZY WAKE mask to 0x0000000000000006

 1317 21:32:29.704458  Chrome EC: Set S3 LAZY WAKE mask to 0x0000000010001006

 1318 21:32:29.707798  Chrome EC: Set S0iX LAZY WAKE mask to 0x0000000010001006

 1319 21:32:29.714437  Chrome EC: Set WAKE mask to 0x0000000000000000

 1320 21:32:29.717583  Root Device init finished in 30857 usecs

 1321 21:32:29.720995  CPU_CLUSTER: 0 init ...

 1322 21:32:29.723850  CPU_CLUSTER: 0 init finished in 2443 usecs

 1323 21:32:29.728624  PCI: 00:00.0 init ...

 1324 21:32:29.732118  CPU TDP: 5 Watts

 1325 21:32:29.735213  CPU PL2 = 18 Watts

 1326 21:32:29.738611  PCI: 00:00.0 init finished in 6986 usecs

 1327 21:32:29.741931  PCI: 00:02.0 init ...

 1328 21:32:29.745199  PCI: 00:02.0 init finished in 2249 usecs

 1329 21:32:29.748288  PCI: 00:04.0 init ...

 1330 21:32:29.751331  PCI: 00:04.0 init finished in 2249 usecs

 1331 21:32:29.755238  PCI: 00:08.0 init ...

 1332 21:32:29.758332  PCI: 00:08.0 init finished in 2248 usecs

 1333 21:32:29.761524  PCI: 00:14.0 init ...

 1334 21:32:29.764654  PCI: 00:14.0 init finished in 2241 usecs

 1335 21:32:29.767862  PCI: 00:14.2 init ...

 1336 21:32:29.771438  PCI: 00:14.2 init finished in 2249 usecs

 1337 21:32:29.774351  PCI: 00:15.0 init ...

 1338 21:32:29.778068  DW I2C bus 0 at 0xd1132000 (400 KHz)

 1339 21:32:29.781485  PCI: 00:15.0 init finished in 5969 usecs

 1340 21:32:29.784418  PCI: 00:15.1 init ...

 1341 21:32:29.787875  DW I2C bus 1 at 0xd1133000 (400 KHz)

 1342 21:32:29.791198  PCI: 00:15.1 init finished in 5967 usecs

 1343 21:32:29.794469  PCI: 00:16.0 init ...

 1344 21:32:29.797540  PCI: 00:16.0 init finished in 2248 usecs

 1345 21:32:29.801945  PCI: 00:19.1 init ...

 1346 21:32:29.804994  DW I2C bus 5 at 0xd1136000 (400 KHz)

 1347 21:32:29.811871  PCI: 00:19.1 init finished in 5968 usecs

 1348 21:32:29.811981  PCI: 00:1c.0 init ...

 1349 21:32:29.814906  Initializing PCH PCIe bridge.

 1350 21:32:29.821193  PCI: 00:1c.0 init finished in 5288 usecs

 1351 21:32:29.825827  PCI: 00:1e.4 init ...

 1352 21:32:29.828497  PCI: 00:1e.4 init finished in 2249 usecs

 1353 21:32:29.832185  PCI: 00:1f.0 init ...

 1354 21:32:29.835662  IOAPIC: Initializing IOAPIC at 0xfec00000

 1355 21:32:29.842309  IOAPIC: Bootstrap Processor Local APIC = 0x00

 1356 21:32:29.842417  IOAPIC: ID = 0x02

 1357 21:32:29.845329  IOAPIC: Dumping registers

 1358 21:32:29.848776    reg 0x0000: 0x02000000

 1359 21:32:29.852199    reg 0x0001: 0x00770020

 1360 21:32:29.852279    reg 0x0002: 0x00000000

 1361 21:32:29.859153  PCI: 00:1f.0 init finished in 23477 usecs

 1362 21:32:29.862223  PCI: 00:1f.2 init ...

 1363 21:32:29.862307  RTC Init

 1364 21:32:29.865315  Set power on after power failure.

 1365 21:32:29.868518  Disabling ACPI via APMC:

 1366 21:32:29.872816  done.

 1367 21:32:29.872919  Disabling Deep S3

 1368 21:32:29.876956  Disabling Deep S3

 1369 21:32:29.877058  Enabling Deep S4

 1370 21:32:29.880185  Enabling Deep S4

 1371 21:32:29.880285  Enabling Deep S5

 1372 21:32:29.883314  Enabling Deep S5

 1373 21:32:29.886497  PCI: 00:1f.2 init finished in 23778 usecs

 1374 21:32:29.890260  PCI: 00:1f.4 init ...

 1375 21:32:29.893188  PCI: 00:1f.4 init finished in 2259 usecs

 1376 21:32:29.898139  PCI: 01:00.0 init ...

 1377 21:32:29.901539  PCI: 01:00.0 init finished in 2394 usecs

 1378 21:32:29.905815  PNP: 0c09.0 init ...

 1379 21:32:29.912074  Google Chrome EC: Hello got back 11223344 status (0)

 1380 21:32:29.915475  Google Chrome EC: version:

 1381 21:32:29.918568      ro: rammus_v2.0.387-f0df0fe2e

 1382 21:32:29.922207      rw: rammus_v2.0.425-6e0dd622e

 1383 21:32:29.925890    running image: 1

 1384 21:32:29.929259  EC returned error result code 1

 1385 21:32:29.932308  PNP: 0c09.0 init finished in 24433 usecs

 1386 21:32:29.935516  Devices initialized

 1387 21:32:29.935601  Show all devs... After init.

 1388 21:32:29.938797  Root Device: enabled 1

 1389 21:32:29.941776  CPU_CLUSTER: 0: enabled 1

 1390 21:32:29.945399  DOMAIN: 0000: enabled 1

 1391 21:32:29.945481  APIC: 00: enabled 1

 1392 21:32:29.948670  PCI: 00:00.0: enabled 1

 1393 21:32:29.952146  PCI: 00:02.0: enabled 1

 1394 21:32:29.955345  PCI: 00:14.0: enabled 1

 1395 21:32:29.955426  PCI: 00:14.1: enabled 0

 1396 21:32:29.958448  PCI: 00:14.2: enabled 1

 1397 21:32:29.962060  PCI: 00:15.0: enabled 1

 1398 21:32:29.962151  PCI: 00:15.1: enabled 1

 1399 21:32:29.965078  PCI: 00:15.2: enabled 0

 1400 21:32:29.968575  PCI: 00:15.3: enabled 0

 1401 21:32:29.971871  PCI: 00:16.0: enabled 1

 1402 21:32:29.971951  PCI: 00:16.1: enabled 0

 1403 21:32:29.974874  PCI: 00:16.2: enabled 0

 1404 21:32:29.978065  PCI: 00:16.3: enabled 0

 1405 21:32:29.981643  PCI: 00:16.4: enabled 0

 1406 21:32:29.981733  PCI: 00:17.0: enabled 0

 1407 21:32:29.984977  PCI: 00:19.0: enabled 1

 1408 21:32:29.988242  PCI: 00:19.1: enabled 1

 1409 21:32:29.991788  PCI: 00:19.2: enabled 0

 1410 21:32:29.991862  PCI: 00:1c.0: enabled 1

 1411 21:32:29.994902  PCI: 00:1c.1: enabled 0

 1412 21:32:29.998037  PCI: 00:1c.2: enabled 0

 1413 21:32:30.001973  PCI: 00:1c.3: enabled 0

 1414 21:32:30.002050  PCI: 00:1c.4: enabled 0

 1415 21:32:30.004827  PCI: 00:1c.5: enabled 0

 1416 21:32:30.008479  PCI: 00:1c.6: enabled 0

 1417 21:32:30.008559  PCI: 00:1c.7: enabled 0

 1418 21:32:30.011291  PCI: 00:1d.0: enabled 0

 1419 21:32:30.014832  PCI: 00:1d.1: enabled 0

 1420 21:32:30.017960  PCI: 00:1d.2: enabled 0

 1421 21:32:30.018060  PCI: 00:1d.3: enabled 0

 1422 21:32:30.021163  PCI: 00:1e.0: enabled 1

 1423 21:32:30.024906  PCI: 00:1e.1: enabled 0

 1424 21:32:30.028117  PCI: 00:1e.2: enabled 1

 1425 21:32:30.028222  PCI: 00:1e.3: enabled 0

 1426 21:32:30.031282  PCI: 00:1e.4: enabled 1

 1427 21:32:30.034304  PCI: 00:1e.5: enabled 0

 1428 21:32:30.038170  PCI: 00:1e.6: enabled 1

 1429 21:32:30.038282  PCI: 00:1f.0: enabled 1

 1430 21:32:30.041194  PCI: 00:1f.1: enabled 0

 1431 21:32:30.044418  PCI: 00:1f.2: enabled 1

 1432 21:32:30.044495  PCI: 00:1f.3: enabled 1

 1433 21:32:30.047890  PCI: 00:1f.4: enabled 1

 1434 21:32:30.050989  PCI: 00:1f.5: enabled 1

 1435 21:32:30.054287  PCI: 00:1f.6: enabled 0

 1436 21:32:30.054387  USB0 port 0: enabled 1

 1437 21:32:30.057279  I2C: 01:5c: enabled 1

 1438 21:32:30.060811  I2C: 02:15: enabled 1

 1439 21:32:30.060885  I2C: 03:39: enabled 1

 1440 21:32:30.064439  I2C: 03:3a: enabled 1

 1441 21:32:30.067262  I2C: 03:1a: enabled 1

 1442 21:32:30.070979  PCI: 01:00.0: enabled 1

 1443 21:32:30.071059  SPI: 00: enabled 1

 1444 21:32:30.074179  PNP: 0c09.0: enabled 1

 1445 21:32:30.077803  USB2 port 0: enabled 1

 1446 21:32:30.077918  USB2 port 1: enabled 1

 1447 21:32:30.080554  USB2 port 2: enabled 1

 1448 21:32:30.084176  USB2 port 4: enabled 1

 1449 21:32:30.084279  USB2 port 8: enabled 1

 1450 21:32:30.087177  APIC: 01: enabled 1

 1451 21:32:30.090542  APIC: 03: enabled 1

 1452 21:32:30.090692  APIC: 02: enabled 1

 1453 21:32:30.093711  PCI: 00:04.0: enabled 1

 1454 21:32:30.097493  PCI: 00:08.0: enabled 1

 1455 21:32:30.100507  FMAP: area RW_ELOG found @ 9f0000 (16384 bytes)

 1456 21:32:30.107449  ELOG: NV offset 0x9f0000 size 0x4000

 1457 21:32:30.113419  ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024

 1458 21:32:30.120319  ELOG: Event(17) added with size 13 at 2024-03-06 21:32:30 UTC

 1459 21:32:30.123922  POST: Unexpected post code in previous boot: 0x34

 1460 21:32:30.130325  ELOG: Event(A3) added with size 11 at 2024-03-06 21:32:30 UTC

 1461 21:32:30.136593  ELOG: Event(A6) added with size 13 at 2024-03-06 21:32:30 UTC

 1462 21:32:30.143519  ELOG: Event(92) added with size 9 at 2024-03-06 21:32:30 UTC

 1463 21:32:30.150135  ELOG: Event(9A) added with size 9 at 2024-03-06 21:32:30 UTC

 1464 21:32:30.156395  ELOG: Event(AD) added with size 10 at 2024-03-06 21:32:30 UTC

 1465 21:32:30.163289  ELOG: Event(9F) added with size 14 at 2024-03-06 21:32:30 UTC

 1466 21:32:30.169372  BS: BS_DEV_INIT times (us): entry 0 run 417039 exit 66287

 1467 21:32:30.176405  ELOG: Event(A1) added with size 10 at 2024-03-06 21:32:30 UTC

 1468 21:32:30.182882  elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b

 1469 21:32:30.189281  ELOG: Event(A0) added with size 9 at 2024-03-06 21:32:30 UTC

 1470 21:32:30.192754  elog_add_boot_reason: Logged dev mode boot

 1471 21:32:30.196016  Finalize devices...

 1472 21:32:30.196094  Devices finalized

 1473 21:32:30.202813  FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes)

 1474 21:32:30.209252  BS: BS_POST_DEVICE times (us): entry 25551 run 3960 exit 5209

 1475 21:32:30.215603  BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0

 1476 21:32:30.222339  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1477 21:32:30.225496  CBFS: Locating 'fallback/dsdt.aml'

 1478 21:32:30.228700  CBFS: Found @ offset 19af40 size 4691

 1479 21:32:30.235474  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1480 21:32:30.238545  CBFS: Locating 'fallback/slic'

 1481 21:32:30.242358  CBFS: 'fallback/slic' not found.

 1482 21:32:30.248544  ACPI: Writing ACPI tables at 7aa9a000.

 1483 21:32:30.248643  ACPI:    * FACS

 1484 21:32:30.251686  ACPI:    * DSDT

 1485 21:32:30.255330  Ramoops buffer: 0x100000@0x7a999000.

 1486 21:32:30.258471  SGX: not enabled or not supported. skip gnvs fill

 1487 21:32:30.263629  ACPI:    * FADT

 1488 21:32:30.263744  SCI is IRQ9

 1489 21:32:30.270105  ACPI: added table 1/32, length now 40

 1490 21:32:30.270212  ACPI:     * SSDT

 1491 21:32:30.273245  Found 1 CPU(s) with 4 core(s) each.

 1492 21:32:30.279533  \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c

 1493 21:32:30.283409  \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15

 1494 21:32:30.289991  \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h

 1495 21:32:30.296653  \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah

 1496 21:32:30.302981  \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105

 1497 21:32:30.305945  Error: Could not locate 'wifi_sar' in VPD.

 1498 21:32:30.309810  Error: failed from getting SAR limits!

 1499 21:32:30.316524  \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0

 1500 21:32:30.319341  \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00

 1501 21:32:30.326184  \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0

 1502 21:32:30.332499  \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1

 1503 21:32:30.335925  \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2

 1504 21:32:30.342398  \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4

 1505 21:32:30.345829  \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8

 1506 21:32:30.352858  ACPI: added table 2/32, length now 44

 1507 21:32:30.353018  ACPI:    * MCFG

 1508 21:32:30.355786  ACPI: added table 3/32, length now 48

 1509 21:32:30.359070  ACPI:    * TPM2

 1510 21:32:30.362321  ACPI: added table 4/32, length now 52

 1511 21:32:30.362428  ACPI:    * MADT

 1512 21:32:30.365534  SCI is IRQ9

 1513 21:32:30.368755  ACPI: added table 5/32, length now 56

 1514 21:32:30.368866  current = 7aa9fa60

 1515 21:32:30.375381  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1516 21:32:30.382276  CBFS: Locating 'dmic-4ch-48khz-16b.bin'

 1517 21:32:30.385264  CBFS: Found @ offset 167000 size ba8

 1518 21:32:30.392121  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1519 21:32:30.395341  CBFS: Locating 'dmic-4ch-48khz-32b.bin'

 1520 21:32:30.398588  CBFS: Found @ offset 19f640 size ba8

 1521 21:32:30.405238  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1522 21:32:30.408381  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1523 21:32:30.411601  CBFS: Found @ offset 167cc0 size 64

 1524 21:32:30.418427  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1525 21:32:30.421626  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1526 21:32:30.424721  CBFS: Found @ offset 167cc0 size 64

 1527 21:32:30.431551  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1528 21:32:30.438479  CBFS: Locating 'max98927-render-2ch-48khz-24b.bin'

 1529 21:32:30.441557  CBFS: Found @ offset 167c00 size 64

 1530 21:32:30.448028  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1531 21:32:30.451313  CBFS: Locating 'max98927-render-2ch-48khz-16b.bin'

 1532 21:32:30.454704  CBFS: Found @ offset 103f00 size 64

 1533 21:32:30.460826  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1534 21:32:30.467421  CBFS: Locating 'max98927-render-2ch-48khz-16b.bin'

 1535 21:32:30.471039  CBFS: Found @ offset 103f00 size 64

 1536 21:32:30.471146  ACPI:    * NHLT

 1537 21:32:30.477493  ACPI: added table 6/32, length now 60

 1538 21:32:30.477607  ACPI:    * DMAR

 1539 21:32:30.481204  ACPI: added table 7/32, length now 64

 1540 21:32:30.484362  ACPI: * IGD OpRegion

 1541 21:32:30.487445  GMA: Found VBT in CBFS

 1542 21:32:30.490667  GMA: Found valid VBT in CBFS

 1543 21:32:30.490775  current = 7aaa3610

 1544 21:32:30.493758  ACPI: added table 8/32, length now 68

 1545 21:32:30.496973  ACPI:    * HPET

 1546 21:32:30.500566  ACPI: added table 9/32, length now 72

 1547 21:32:30.500673  ACPI: done.

 1548 21:32:30.503559  ACPI tables: 38592 bytes.

 1549 21:32:30.507748  smbios_write_tables: 7a998000

 1550 21:32:30.510600  Create SMBIOS type 17

 1551 21:32:30.513792  PCI: 01:00.0 (Intel WiFi)

 1552 21:32:30.513908  SMBIOS tables: 662 bytes.

 1553 21:32:30.520404  Writing table forward entry at 0x00000500

 1554 21:32:30.527260  Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532

 1555 21:32:30.530625  Writing coreboot table at 0x7aabe000

 1556 21:32:30.533595   0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES

 1557 21:32:30.540578   1. 0000000000001000-000000000009ffff: RAM

 1558 21:32:30.543590   2. 00000000000a0000-00000000000fffff: RESERVED

 1559 21:32:30.546904   3. 0000000000100000-000000007a997fff: RAM

 1560 21:32:30.553674   4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES

 1561 21:32:30.559903   5. 000000007ab06000-000000007abcffff: RAMSTAGE

 1562 21:32:30.566475   6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES

 1563 21:32:30.569876   7. 000000007b000000-000000007fffffff: RESERVED

 1564 21:32:30.573535   8. 00000000e0000000-00000000e3ffffff: RESERVED

 1565 21:32:30.580099   9. 00000000fe000000-00000000fe00ffff: RESERVED

 1566 21:32:30.583361  10. 00000000fed10000-00000000fed19fff: RESERVED

 1567 21:32:30.589927  11. 00000000fed80000-00000000fed84fff: RESERVED

 1568 21:32:30.593167  12. 00000000fed90000-00000000fed91fff: RESERVED

 1569 21:32:30.599879  13. 0000000100000000-000000017effffff: RAM

 1570 21:32:30.602712  Graphics framebuffer located at 0xc0000000

 1571 21:32:30.606506  Passing 6 GPIOs to payload:

 1572 21:32:30.609612              NAME |       PORT | POLARITY |     VALUE

 1573 21:32:30.615899     write protect |  undefined |     high |       low

 1574 21:32:30.622929          recovery |  undefined |     high |       low

 1575 21:32:30.626040               lid |  undefined |     high |      high

 1576 21:32:30.632328             power |  undefined |     high |       low

 1577 21:32:30.636105             oprom |  undefined |     high |       low

 1578 21:32:30.642959          EC in RW | 0x00000036 |     high |       low

 1579 21:32:30.643044  Board ID: 6

 1580 21:32:30.649348  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1581 21:32:30.656138  Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum bc4c

 1582 21:32:30.659154  coreboot table: 1468 bytes.

 1583 21:32:30.662383  IMD ROOT    0. 7afff000 00001000

 1584 21:32:30.666206  IMD SMALL   1. 7affe000 00001000

 1585 21:32:30.669216  FSP MEMORY  2. 7abfe000 00400000

 1586 21:32:30.672164  CONSOLE     3. 7abde000 00020000

 1587 21:32:30.675982  TIME STAMP  4. 7abdd000 00000910

 1588 21:32:30.679160  VBOOT       5. 7abdc000 00000c0c

 1589 21:32:30.682231  MRC DATA    6. 7abda000 00001878

 1590 21:32:30.685349  ROMSTG STCK 7. 7abd9000 00000400

 1591 21:32:30.689432  AFTER CAR   8. 7abd0000 00009000

 1592 21:32:30.691879  RAMSTAGE    9. 7ab05000 000cb000

 1593 21:32:30.695701  REFCODE    10. 7aad6000 0002f000

 1594 21:32:30.699070  SMM BACKUP 11. 7aac6000 00010000

 1595 21:32:30.702392  COREBOOT   12. 7aabe000 00008000

 1596 21:32:30.705781  ACPI       13. 7aa9a000 00024000

 1597 21:32:30.708430  ACPI GNVS  14. 7aa99000 00001000

 1598 21:32:30.711894  RAMOOPS    15. 7a999000 00100000

 1599 21:32:30.715101  SMBIOS     16. 7a998000 00000800

 1600 21:32:30.718320  IMD small region:

 1601 21:32:30.721588    IMD ROOT    0. 7affec00 00000400

 1602 21:32:30.724913    FSP RUNTIME 1. 7affebe0 00000004

 1603 21:32:30.728446    VBOOT SEL   2. 7affebc0 00000008

 1604 21:32:30.731942    EC HOSTEVENT 3. 7affeba0 00000008

 1605 21:32:30.734666    POWER STATE 4. 7affeb60 00000040

 1606 21:32:30.738405    ROMSTAGE    5. 7affeb40 00000004

 1607 21:32:30.741976    MEM INFO    6. 7affe980 000001a9

 1608 21:32:30.744785    VPD         7. 7affe920 00000058

 1609 21:32:30.748078    COREBOOTFWD 8. 7affe8e0 00000028

 1610 21:32:30.751545  MTRR: Physical address space:

 1611 21:32:30.758229  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1612 21:32:30.764567  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1613 21:32:30.771452  0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6

 1614 21:32:30.777950  0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0

 1615 21:32:30.784165  0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1

 1616 21:32:30.791006  0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0

 1617 21:32:30.797255  0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6

 1618 21:32:30.800898  MTRR: Fixed MSR 0x250 0x0606060606060606

 1619 21:32:30.804057  MTRR: Fixed MSR 0x258 0x0606060606060606

 1620 21:32:30.807102  MTRR: Fixed MSR 0x259 0x0000000000000000

 1621 21:32:30.813946  MTRR: Fixed MSR 0x268 0x0606060606060606

 1622 21:32:30.817280  MTRR: Fixed MSR 0x269 0x0606060606060606

 1623 21:32:30.820308  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1624 21:32:30.823628  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1625 21:32:30.827257  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1626 21:32:30.833666  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1627 21:32:30.836778  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1628 21:32:30.840504  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1629 21:32:30.844232  call enable_fixed_mtrr()

 1630 21:32:30.847650  CPU physical address size: 39 bits

 1631 21:32:30.855203  MTRR: default type WB/UC MTRR counts: 6/5.

 1632 21:32:30.857257  MTRR: UC selected as default type.

 1633 21:32:30.864041  MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6

 1634 21:32:30.867434  MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0

 1635 21:32:30.874381  MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0

 1636 21:32:30.880511  MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1

 1637 21:32:30.887102  MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6

 1638 21:32:30.890840  

 1639 21:32:30.890917  MTRR check

 1640 21:32:30.894044  Fixed MTRRs   : Enabled

 1641 21:32:30.894116  Variable MTRRs: Enabled

 1642 21:32:30.894177  

 1643 21:32:30.900967  MTRR: Fixed MSR 0x250 0x0606060606060606

 1644 21:32:30.904072  MTRR: Fixed MSR 0x258 0x0606060606060606

 1645 21:32:30.907066  MTRR: Fixed MSR 0x259 0x0000000000000000

 1646 21:32:30.910660  MTRR: Fixed MSR 0x268 0x0606060606060606

 1647 21:32:30.916953  MTRR: Fixed MSR 0x269 0x0606060606060606

 1648 21:32:30.920980  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1649 21:32:30.923856  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1650 21:32:30.926981  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1651 21:32:30.933644  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1652 21:32:30.936796  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1653 21:32:30.939835  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1654 21:32:30.947724  BS: BS_WRITE_TABLES times (us): entry 0 run 537569 exit 146877

 1655 21:32:30.950658  call enable_fixed_mtrr()

 1656 21:32:30.957619  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1657 21:32:30.960856  CPU physical address size: 39 bits

 1658 21:32:30.964308  CBFS: Locating 'fallback/payload'

 1659 21:32:30.967442  MTRR: Fixed MSR 0x250 0x0606060606060606

 1660 21:32:30.971069  MTRR: Fixed MSR 0x250 0x0606060606060606

 1661 21:32:30.977288  MTRR: Fixed MSR 0x258 0x0606060606060606

 1662 21:32:30.980698  MTRR: Fixed MSR 0x259 0x0000000000000000

 1663 21:32:30.983881  MTRR: Fixed MSR 0x268 0x0606060606060606

 1664 21:32:30.987314  MTRR: Fixed MSR 0x269 0x0606060606060606

 1665 21:32:30.990739  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1666 21:32:30.997031  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1667 21:32:31.000344  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1668 21:32:31.003896  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1669 21:32:31.007097  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1670 21:32:31.013709  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1671 21:32:31.016865  MTRR: Fixed MSR 0x258 0x0606060606060606

 1672 21:32:31.020443  MTRR: Fixed MSR 0x259 0x0000000000000000

 1673 21:32:31.026855  MTRR: Fixed MSR 0x268 0x0606060606060606

 1674 21:32:31.030111  MTRR: Fixed MSR 0x269 0x0606060606060606

 1675 21:32:31.033343  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1676 21:32:31.036875  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1677 21:32:31.043484  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1678 21:32:31.046717  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1679 21:32:31.049686  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1680 21:32:31.053336  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1681 21:32:31.056409  call enable_fixed_mtrr()

 1682 21:32:31.060186  call enable_fixed_mtrr()

 1683 21:32:31.063137  CBFS: Found @ offset 223040 size 360b4

 1684 21:32:31.066326  CPU physical address size: 39 bits

 1685 21:32:31.070576  CPU physical address size: 39 bits

 1686 21:32:31.077319  Checking segment from ROM address 0xfff23078

 1687 21:32:31.080735  Checking segment from ROM address 0xfff23094

 1688 21:32:31.083540  Loading segment from ROM address 0xfff23078

 1689 21:32:31.086642    code (compression=0)

 1690 21:32:31.097084    New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c

 1691 21:32:31.103569  Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c

 1692 21:32:31.107100  it's not compressed!

 1693 21:32:31.192836  [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0

 1694 21:32:31.199024  Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834

 1695 21:32:31.205822  Loading segment from ROM address 0xfff23094

 1696 21:32:31.205902    Entry Point 0x30104020

 1697 21:32:31.208948  Loaded segments

 1698 21:32:31.234617  Finalizing chipset.

 1699 21:32:31.241008  ME: Host Firmware Status Register 1 : 0x90000245

 1700 21:32:31.244595  ME: Host Firmware Status Register 2 : 0x6B000306

 1701 21:32:31.250836  ME: Host Firmware Status Register 3 : 0x00000020

 1702 21:32:31.254358  ME: Host Firmware Status Register 4 : 0x00084000

 1703 21:32:31.261010  ME: Host Firmware Status Register 5 : 0x00000000

 1704 21:32:31.264298  ME: Host Firmware Status Register 6 : 0x40000002

 1705 21:32:31.267578  ME: FW Partition Table      : OK

 1706 21:32:31.270731  ME: Bringup Loader Failure  : NO

 1707 21:32:31.274411  ME: Firmware Init Complete  : YES

 1708 21:32:31.277434  ME: Manufacturing Mode      : NO

 1709 21:32:31.280874  ME: Boot Options Present    : NO

 1710 21:32:31.284341  ME: Update In Progress      : NO

 1711 21:32:31.287104  ME: D3 Support              : NO

 1712 21:32:31.291212  ME: D0i3 Support            : YES

 1713 21:32:31.294371  ME: Low Power State Enabled : YES

 1714 21:32:31.297098  ME: CPU Replaced            : NO

 1715 21:32:31.300224  ME: CPU Replacement Valid   : YES

 1716 21:32:31.304237  ME: Current Working State   : Normal

 1717 21:32:31.307236  ME: Current Operation State : M0 with UMA

 1718 21:32:31.314099  ME: Current Operation Mode  : Normal

 1719 21:32:31.317449  ME: Error Code              : No Error

 1720 21:32:31.320368  ME: Progress Phase          : Host Communication

 1721 21:32:31.327168  ME: Power Management Event  : Power cycle reset through Moff

 1722 21:32:31.333338  ME: Progress Phase State    : Host communication established

 1723 21:32:31.336985  ME: Power Down Mitigation   : NO

 1724 21:32:31.339982  ME: FPF status              : fused

 1725 21:32:31.340084  Clearing MCA.

 1726 21:32:31.343616  Finalizing SMM.

 1727 21:32:31.350409  BS: BS_PAYLOAD_LOAD times (us): entry 598 run 261869 exit 135695

 1728 21:32:31.353521  mp_park_aps done after 0 msecs.

 1729 21:32:31.356601  Jumping to boot code at 30104020(7aabe000)

 1730 21:32:31.366569  CPU0: stack: 7ab46000 - 7ab47000, lowest used address 7ab46abc, stack used: 1348 bytes

 1731 21:32:31.366671  

 1732 21:32:31.366761  

 1733 21:32:31.366846  

 1734 21:32:31.369537  Starting depthcharge on rammus...

 1735 21:32:31.369634  

 1736 21:32:31.370030  end: 2.2.3 depthcharge-start (duration 00:00:12) [common]
 1737 21:32:31.370140  start: 2.2.4 bootloader-commands (timeout 00:04:43) [common]
 1738 21:32:31.370223  Setting prompt string to ['rammus:']
 1739 21:32:31.370306  bootloader-commands: Wait for prompt ['rammus:'] (timeout 00:04:43)
 1740 21:32:31.376133  WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime!

 1741 21:32:31.376216  

 1742 21:32:31.386143  WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime!

 1743 21:32:31.386224  

 1744 21:32:31.392847  The GBB signature is at 0x30004020 and is:  24 47 42 42

 1745 21:32:31.396081  

 1746 21:32:31.398985  [firmware-rammus-11275.B-collabora] Dec 11 2020 10:26:21

 1747 21:32:31.399134  

 1748 21:32:31.399224  

 1749 21:32:31.399317  

 1750 21:32:31.399678  Setting prompt string to ['rammus:', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}']
 1752 21:32:31.500110  rammus:tftpboot 192.168.201.1 12965416/tftp-deploy-s78x24nw/kernel/bzImage 12965416/tftp-deploy-s78x24nw/kernel/cmdline 12965416/tftp-deploy-s78x24nw/ramdisk/ramdisk.cpio.gz

 1753 21:32:31.500293  Setting prompt string to ['Starting kernel', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}']
 1754 21:32:31.500380  bootloader-commands: Wait for prompt ['Starting kernel', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}'] (timeout 00:04:43)
 1755 21:32:31.504873   tftpboot 192.168.201.1 12965416/tftp-deploy-s78x24nw/kernel/bzIploy-s78x24nw/kernel/cmdline 12965416/tftp-deploy-s78x24nw/ramdisk/ramdisk.cpio.gz

 1756 21:32:31.505006  

 1757 21:32:31.505119  Waiting for link

 1758 21:32:32.012591  

 1759 21:32:32.012741  R8152: Initializing

 1760 21:32:32.012819  

 1761 21:32:32.015563  Version 9 (ocp_data = 6010)

 1762 21:32:32.015718  

 1763 21:32:32.019338  R8152: Done initializing

 1764 21:32:32.019452  

 1765 21:32:32.022308  Adding net device

 1766 21:32:32.222644  

 1767 21:32:32.222845  done.

 1768 21:32:32.222913  

 1769 21:32:32.223003  MAC: 00:e0:4c:68:0a:98

 1770 21:32:32.223075  

 1771 21:32:32.225389  Sending DHCP discover... done.

 1772 21:32:32.225479  

 1773 21:32:32.228935  Waiting for reply... done.

 1774 21:32:32.229043  

 1775 21:32:32.232058  Sending DHCP request... done.

 1776 21:32:32.232185  

 1777 21:32:32.315033  Waiting for reply... done.

 1778 21:32:32.315252  

 1779 21:32:32.315373  My ip is 192.168.201.18

 1780 21:32:32.315485  

 1781 21:32:32.318049  The DHCP server ip is 192.168.201.1

 1782 21:32:32.321635  

 1783 21:32:32.324512  TFTP server IP predefined by user: 192.168.201.1

 1784 21:32:32.324620  

 1785 21:32:32.331487  Bootfile predefined by user: 12965416/tftp-deploy-s78x24nw/kernel/bzImage

 1786 21:32:32.331604  

 1787 21:32:32.334538  Sending tftp read request... done.

 1788 21:32:32.334625  

 1789 21:32:32.338610  Waiting for the transfer... 

 1790 21:32:32.338702  

 1791 21:32:32.621384  00000000 ################################################################

 1792 21:32:32.621530  

 1793 21:32:32.910523  00080000 ################################################################

 1794 21:32:32.910666  

 1795 21:32:33.189538  00100000 ################################################################

 1796 21:32:33.189684  

 1797 21:32:33.469159  00180000 ################################################################

 1798 21:32:33.469369  

 1799 21:32:33.754344  00200000 ################################################################

 1800 21:32:33.754557  

 1801 21:32:34.029877  00280000 ################################################################

 1802 21:32:34.030092  

 1803 21:32:34.301258  00300000 ################################################################

 1804 21:32:34.301410  

 1805 21:32:34.561116  00380000 ################################################################

 1806 21:32:34.561265  

 1807 21:32:34.821111  00400000 ################################################################

 1808 21:32:34.821251  

 1809 21:32:35.082984  00480000 ################################################################

 1810 21:32:35.083113  

 1811 21:32:35.339028  00500000 ################################################################

 1812 21:32:35.339192  

 1813 21:32:35.604124  00580000 ################################################################

 1814 21:32:35.604299  

 1815 21:32:35.861643  00600000 ################################################################

 1816 21:32:35.861775  

 1817 21:32:36.118668  00680000 ################################################################

 1818 21:32:36.118827  

 1819 21:32:36.379342  00700000 ################################################################

 1820 21:32:36.379508  

 1821 21:32:36.640485  00780000 ################################################################

 1822 21:32:36.640618  

 1823 21:32:36.897248  00800000 ################################################################

 1824 21:32:36.897400  

 1825 21:32:37.159405  00880000 ################################################################

 1826 21:32:37.159573  

 1827 21:32:37.422679  00900000 ################################################################

 1828 21:32:37.422872  

 1829 21:32:37.680914  00980000 ################################################################

 1830 21:32:37.681053  

 1831 21:32:37.948517  00a00000 ################################################################

 1832 21:32:37.948651  

 1833 21:32:38.201167  00a80000 ################################################################

 1834 21:32:38.201308  

 1835 21:32:38.451509  00b00000 ################################################################

 1836 21:32:38.451650  

 1837 21:32:38.707191  00b80000 ################################################################

 1838 21:32:38.707332  

 1839 21:32:38.965762  00c00000 ################################################################

 1840 21:32:38.965940  

 1841 21:32:39.231237  00c80000 ################################################################

 1842 21:32:39.231392  

 1843 21:32:39.484276  00d00000 ################################################################

 1844 21:32:39.484420  

 1845 21:32:39.758740  00d80000 ################################################################

 1846 21:32:39.758875  

 1847 21:32:40.117714  00e00000 ################################################################

 1848 21:32:40.117944  

 1849 21:32:40.470921  00e80000 ################################################################

 1850 21:32:40.471094  

 1851 21:32:40.812400  00f00000 ################################################################

 1852 21:32:40.812565  

 1853 21:32:41.146059  00f80000 ################################################################

 1854 21:32:41.146238  

 1855 21:32:41.398848  01000000 ################################################################

 1856 21:32:41.398986  

 1857 21:32:41.659686  01080000 ################################################################

 1858 21:32:41.659850  

 1859 21:32:41.775126  01100000 ############################# done.

 1860 21:32:41.775284  

 1861 21:32:41.778475  The bootfile was 18058912 bytes long.

 1862 21:32:41.778574  

 1863 21:32:41.781385  Sending tftp read request... done.

 1864 21:32:41.781473  

 1865 21:32:41.785380  Waiting for the transfer... 

 1866 21:32:41.785495  

 1867 21:32:42.054498  00000000 ################################################################

 1868 21:32:42.054633  

 1869 21:32:42.324362  00080000 ################################################################

 1870 21:32:42.324499  

 1871 21:32:42.594842  00100000 ################################################################

 1872 21:32:42.595017  

 1873 21:32:42.851965  00180000 ################################################################

 1874 21:32:42.852101  

 1875 21:32:43.126220  00200000 ################################################################

 1876 21:32:43.126380  

 1877 21:32:43.411154  00280000 ################################################################

 1878 21:32:43.411315  

 1879 21:32:43.689349  00300000 ################################################################

 1880 21:32:43.689487  

 1881 21:32:43.957611  00380000 ################################################################

 1882 21:32:43.957753  

 1883 21:32:44.224055  00400000 ################################################################

 1884 21:32:44.224194  

 1885 21:32:44.487579  00480000 ################################################################

 1886 21:32:44.487792  

 1887 21:32:44.755841  00500000 ################################################################

 1888 21:32:44.755978  

 1889 21:32:45.018682  00580000 ################################################################

 1890 21:32:45.018827  

 1891 21:32:45.286339  00600000 ################################################################

 1892 21:32:45.286505  

 1893 21:32:45.614188  00680000 ################################################################

 1894 21:32:45.614384  

 1895 21:32:45.955548  00700000 ################################################################

 1896 21:32:45.955705  

 1897 21:32:46.229370  00780000 ################################################################

 1898 21:32:46.229504  

 1899 21:32:46.485415  00800000 ################################################################

 1900 21:32:46.485576  

 1901 21:32:46.762035  00880000 ################################################################

 1902 21:32:46.762175  

 1903 21:32:47.048930  00900000 ################################################################

 1904 21:32:47.049064  

 1905 21:32:47.319300  00980000 ################################################################

 1906 21:32:47.319433  

 1907 21:32:47.319503  00a00000 # done.

 1908 21:32:47.319566  

 1909 21:32:47.322276  Sending tftp read request... done.

 1910 21:32:47.322355  

 1911 21:32:47.325758  Waiting for the transfer... 

 1912 21:32:47.325849  

 1913 21:32:47.328803  00000000 # done.

 1914 21:32:47.328889  

 1915 21:32:47.335617  Command line loaded dynamically from TFTP file: 12965416/tftp-deploy-s78x24nw/kernel/cmdline

 1916 21:32:47.335715  

 1917 21:32:47.365668  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/12965416/extract-nfsrootfs-6zo1sbrf,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1918 21:32:47.372367  

 1919 21:32:47.375651  Shutting down all USB controllers.

 1920 21:32:47.375747  

 1921 21:32:47.375811  Removing current net device

 1922 21:32:47.375871  

 1923 21:32:47.378761  Finalizing coreboot

 1924 21:32:47.378842  

 1925 21:32:47.386176  Exiting depthcharge with code 4 at timestamp: 22273258

 1926 21:32:47.386258  

 1927 21:32:47.386321  

 1928 21:32:47.386380  Starting kernel ...

 1929 21:32:47.386437  

 1930 21:32:47.386492  

 1931 21:32:47.386902  end: 2.2.4 bootloader-commands (duration 00:00:16) [common]
 1932 21:32:47.386998  start: 2.2.5 auto-login-action (timeout 00:04:27) [common]
 1933 21:32:47.387077  Setting prompt string to ['Linux version [0-9]']
 1934 21:32:47.387143  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}']
 1935 21:32:47.387208  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)
 1936 21:32:49.791776  

 1937 21:32:49.792148  start: 2.2.5.1 login-action (timeout 00:04:25) [common]
 1938 21:32:49.792242  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.
 1939 21:32:49.792316  Setting prompt string to []
 1940 21:32:49.792390  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']
 1941 21:32:49.792461  Using line separator: #'\n'#
 1942 21:32:49.792520  No login prompt set.
 1943 21:32:49.792582  Parsing kernel messages
 1944 21:32:49.792636  ['-\\[ 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']
 1945 21:32:49.792737  [login-action] Waiting for messages, (timeout 00:04:25)
 1946 21:32:49.792801  Waiting using forced prompt support (timeout 00:02:12)
 1947 21:32:49.811514  <5>[    0.000000] Linux version 5.10.212-cip44 (KernelCI@build-j132374-x86-64-gcc-10-x86-64-defconfig-x86-board-k75b7) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Mar 6 21:22:23 UTC 2024

 1948 21:32:49.844018  <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/12965416/extract-nfsrootfs-6zo1sbrf,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1949 21:32:49.847743  <6>[    0.000000] BIOS-provided physical RAM map:

 1950 21:32:49.857145  <6>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16

 1951 21:32:49.863725  <6>[    0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable

 1952 21:32:49.870252  <6>[    0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved

 1953 21:32:49.880170  <6>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable

 1954 21:32:49.886928  <6>[    0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16

 1955 21:32:49.896810  <6>[    0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved

 1956 21:32:49.903175  <6>[    0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved

 1957 21:32:49.912863  <6>[    0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved

 1958 21:32:49.919848  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved

 1959 21:32:49.929739  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved

 1960 21:32:49.936259  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved

 1961 21:32:49.942838  <6>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable

 1962 21:32:49.949252  <6>[    0.000000] NX (Execute Disable) protection: active

 1963 21:32:49.953003  <6>[    0.000000] SMBIOS 2.7 present.

 1964 21:32:49.959424  <6>[    0.000000] DMI: Google Rammus/Rammus, BIOS  09/04/2020

 1965 21:32:49.965780  <6>[    0.000000] tsc: Detected 1600.000 MHz processor

 1966 21:32:49.969100  <6>[    0.000000] tsc: Detected 1599.960 MHz TSC

 1967 21:32:49.975545  <6>[    0.000053] last_pfn = 0x17f000 max_arch_pfn = 0x400000000

 1968 21:32:49.985596  <6>[    0.001309] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  

 1969 21:32:49.992462  <6>[    0.006688] last_pfn = 0x7a998 max_arch_pfn = 0x400000000

 1970 21:32:49.999107  <6>[    0.024228] check: Scanning 1 areas for low memory corruption

 1971 21:32:50.001982  <6>[    0.024241] Using GB pages for direct mapping

 1972 21:32:50.008926  <6>[    0.024891] RAMDISK: [mem 0x375ff000-0x37ffffff]

 1973 21:32:50.015400  <6>[    0.024897] ACPI: Early table checksum verification disabled

 1974 21:32:50.021644  <6>[    0.024905] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE  )

 1975 21:32:50.031856  <6>[    0.024917] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1976 21:32:50.041556  <6>[    0.024932] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 1977 21:32:50.051571  <6>[    0.024947] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531)

 1978 21:32:50.057825  <6>[    0.024959] ACPI: FACS 0x000000007AA9A240 000040

 1979 21:32:50.061330  <6>[    0.024970] ACPI: FACS 0x000000007AA9A240 000040

 1980 21:32:50.071226  <6>[    0.024980] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE   COREBOOT 0000002A CORE 0000002A)

 1981 21:32:50.080976  <6>[    0.024992] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1982 21:32:50.091423  <6>[    0.025003] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 1983 21:32:50.100782  <6>[    0.025014] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE   COREBOOT 00000000 CORE 00000000)

 1984 21:32:50.110896  <6>[    0.025025] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS   00000000 CORE 00000000)

 1985 21:32:50.120390  <6>[    0.025036] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1986 21:32:50.130169  <6>[    0.025047] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE   COREBOOT 00000000 CORE 00000000)

 1987 21:32:50.140406  <6>[    0.025058] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1988 21:32:50.150032  <6>[    0.025070] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63]

 1989 21:32:50.156613  <6>[    0.025074] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962]

 1990 21:32:50.167060  <6>[    0.025079] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f]

 1991 21:32:50.173076  <6>[    0.025083] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f]

 1992 21:32:50.183430  <6>[    0.025087] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969]

 1993 21:32:50.189908  <6>[    0.025092] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab]

 1994 21:32:50.199893  <6>[    0.025096] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef]

 1995 21:32:50.206351  <6>[    0.025101] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b]

 1996 21:32:50.215921  <6>[    0.025105] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b]

 1997 21:32:50.222944  <6>[    0.025109] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607]

 1998 21:32:50.232534  <6>[    0.025114] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670]

 1999 21:32:50.239187  <6>[    0.025118] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7]

 2000 21:32:50.242487  <6>[    0.025254] No NUMA configuration found

 2001 21:32:50.252226  <6>[    0.025259] Faking a node at [mem 0x0000000000000000-0x000000017effffff]

 2002 21:32:50.259417  <6>[    0.025268] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff]

 2003 21:32:50.262364  <6>[    0.025310] Zone ranges:

 2004 21:32:50.268666  <6>[    0.025315]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]

 2005 21:32:50.275347  <6>[    0.025322]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]

 2006 21:32:50.282004  <6>[    0.025329]   Normal   [mem 0x0000000100000000-0x000000017effffff]

 2007 21:32:50.288646  <6>[    0.025336] Movable zone start for each node

 2008 21:32:50.291617  <6>[    0.025340] Early memory node ranges

 2009 21:32:50.301634  <6>[    0.025345]   node   0: [mem 0x0000000000001000-0x000000000009ffff]

 2010 21:32:50.308700  <6>[    0.025350]   node   0: [mem 0x0000000000100000-0x000000007a997fff]

 2011 21:32:50.314722  <6>[    0.025354]   node   0: [mem 0x0000000100000000-0x000000017effffff]

 2012 21:32:50.321296  <6>[    0.025360] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff]

 2013 21:32:50.331068  <6>[    0.025395] On node 0, zone DMA: 1 pages in unavailable ranges

 2014 21:32:50.337558  <6>[    0.025456] On node 0, zone DMA: 96 pages in unavailable ranges

 2015 21:32:50.344305  <6>[    0.040708] On node 0, zone Normal: 22120 pages in unavailable ranges

 2016 21:32:50.350886  <6>[    0.041618] On node 0, zone Normal: 4096 pages in unavailable ranges

 2017 21:32:50.360947  <6>[    0.041643] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff]

 2018 21:32:50.364114  <6>[    0.041999] ACPI: PM-Timer IO Port: 0x1808

 2019 21:32:50.374015  <6>[    0.042053] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119

 2020 21:32:50.380743  <6>[    0.042066] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)

 2021 21:32:50.387493  <6>[    0.042072] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)

 2022 21:32:50.393889  <6>[    0.042085] Using ACPI (MADT) for SMP configuration information

 2023 21:32:50.400708  <6>[    0.042091] ACPI: HPET id: 0x8086a701 base: 0xfed00000

 2024 21:32:50.404208  <6>[    0.042098] TSC deadline timer available

 2025 21:32:50.410763  <6>[    0.042103] smpboot: Allowing 4 CPUs, 0 hotplug CPUs

 2026 21:32:50.420693  <6>[    0.042132] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]

 2027 21:32:50.430165  <6>[    0.042138] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff]

 2028 21:32:50.436894  <6>[    0.042144] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff]

 2029 21:32:50.446312  <6>[    0.042148] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff]

 2030 21:32:50.456737  <6>[    0.042152] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff]

 2031 21:32:50.462905  <6>[    0.042156] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff]

 2032 21:32:50.472886  <6>[    0.042160] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff]

 2033 21:32:50.482540  <6>[    0.042164] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff]

 2034 21:32:50.489100  <6>[    0.042168] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff]

 2035 21:32:50.499319  <6>[    0.042172] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff]

 2036 21:32:50.509249  <6>[    0.042176] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff]

 2037 21:32:50.515969  <6>[    0.042180] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff]

 2038 21:32:50.525601  <6>[    0.042184] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff]

 2039 21:32:50.536002  <6>[    0.042188] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff]

 2040 21:32:50.542337  <6>[    0.042192] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff]

 2041 21:32:50.548602  <6>[    0.042200] [mem 0x80000000-0xdfffffff] available for PCI devices

 2042 21:32:50.561607  <6>[    0.042208] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns

 2043 21:32:50.572028  <6>[    0.059687] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1

 2044 21:32:50.578194  <6>[    0.059957] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288

 2045 21:32:50.585245  <6>[    0.060034] Built 1 zonelists, mobility grouping on.  Total pages: 1006266

 2046 21:32:50.591572  <6>[    0.060039] Policy zone: Normal

 2047 21:32:50.621242  <5>[    0.060052] 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/12965416/extract-nfsrootfs-6zo1sbrf,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2048 21:32:50.630997  <6>[    0.060626] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)

 2049 21:32:50.640676  <6>[    0.060865] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)

 2050 21:32:50.647594  <6>[    0.060952] mem auto-init: stack:off, heap alloc:off, heap free:off

 2051 21:32:50.664214  <6>[    0.092710] Memory: 3874252K/4089052K available (22546K kernel code, 3700K rwdata, 13620K rodata, 2160K init, 14004K bss, 214540K reserved, 0K cma-reserved)

 2052 21:32:50.670815  <6>[    0.092854] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

 2053 21:32:50.677756  <6>[    0.092911] Kernel/User page tables isolation: enabled

 2054 21:32:50.683823  <6>[    0.093027] ftrace: allocating 61513 entries in 241 pages

 2055 21:32:50.686976  <6>[    0.156996] ftrace: allocated 241 pages with 5 groups

 2056 21:32:50.693430  <6>[    0.157316] Running RCU self tests

 2057 21:32:50.696858  <6>[    0.157332] rcu: Hierarchical RCU implementation.

 2058 21:32:50.703907  <6>[    0.157337] rcu: 	RCU event tracing is enabled.

 2059 21:32:50.710618  <6>[    0.157341] rcu: 	RCU lockdep checking is enabled.

 2060 21:32:50.717065  <6>[    0.157346] rcu: 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4.

 2061 21:32:50.723490  <6>[    0.157351] 	Rude variant of Tasks RCU enabled.

 2062 21:32:50.727458  <6>[    0.157356] 	Tracing variant of Tasks RCU enabled.

 2063 21:32:50.736956  <6>[    0.157361] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.

 2064 21:32:50.743431  <6>[    0.157366] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4

 2065 21:32:50.753008  <6>[    0.167669] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16

 2066 21:32:50.755963  <5>[    0.168135] random: crng init done

 2067 21:32:50.759526  <6>[    0.168243] Console: colour dummy device 80x25

 2068 21:32:50.765978  <6>[    0.241673] printk: console [ttyS0] enabled

 2069 21:32:50.775993  <4>[    0.242062] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

 2070 21:32:50.778951  <4>[    0.242745] ... MAX_LOCKDEP_SUBCLASSES:  8

 2071 21:32:50.785639  <4>[    0.243126] ... MAX_LOCK_DEPTH:          48

 2072 21:32:50.789124  <4>[    0.243514] ... MAX_LOCKDEP_KEYS:        8192

 2073 21:32:50.795296  <4>[    0.243917] ... CLASSHASH_SIZE:          4096

 2074 21:32:50.801917  <4>[    0.244320] ... MAX_LOCKDEP_ENTRIES:     32768

 2075 21:32:50.805267  <4>[    0.244731] ... MAX_LOCKDEP_CHAINS:      65536

 2076 21:32:50.812175  <4>[    0.245140] ... CHAINHASH_SIZE:          32768

 2077 21:32:50.818450  <4>[    0.245551]  memory used by lock dependency info: 6365 kB

 2078 21:32:50.821593  <4>[    0.246040]  memory used for stack traces: 4224 kB

 2079 21:32:50.828449  <4>[    0.246479]  per task-struct memory footprint: 1920 bytes

 2080 21:32:50.834827  <6>[    0.247025] ACPI: Core revision 20200925

 2081 21:32:50.841379  <6>[    0.247619] hpet: HPET dysfunctional in PC10. Force disabled.

 2082 21:32:50.847817  <6>[    0.248141] APIC: Switch to symmetric I/O mode setup

 2083 21:32:50.858170  <6>[    0.252652] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns

 2084 21:32:50.871309  <6>[    0.253593] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960)

 2085 21:32:50.877830  <6>[    0.254576] mce: CPU0: Thermal monitoring enabled (TM1)

 2086 21:32:50.881128  <6>[    0.254576] process: using mwait in idle threads

 2087 21:32:50.887533  <6>[    0.254576] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8

 2088 21:32:50.897454  <6>[    0.254576] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4

 2089 21:32:50.907166  <6>[    0.254576] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization

 2090 21:32:50.910783  <6>[    0.254576] Spectre V2 : Mitigation: IBRS

 2091 21:32:50.921021  <6>[    0.254576] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch

 2092 21:32:50.927113  <6>[    0.254576] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT

 2093 21:32:50.933963  <6>[    0.254576] RETBleed: Mitigation: IBRS

 2094 21:32:50.943564  <6>[    0.254576] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier

 2095 21:32:50.950386  <6>[    0.254576] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl

 2096 21:32:50.960054  <6>[    0.254576] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp

 2097 21:32:50.969963  <6>[    0.254576] MDS: Vulnerable: Clear CPU buffers attempted, no microcode

 2098 21:32:50.976667  <6>[    0.254576] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode

 2099 21:32:50.982919  <6>[    0.254576] SRBDS: Vulnerable: No microcode

 2100 21:32:50.986412  <6>[    0.254576] GDS: Vulnerable: No microcode

 2101 21:32:50.996361  <6>[    0.254576] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'

 2102 21:32:51.003334  <6>[    0.254576] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'

 2103 21:32:51.009341  <6>[    0.254576] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'

 2104 21:32:51.019247  <6>[    0.254576] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'

 2105 21:32:51.025548  <6>[    0.254576] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'

 2106 21:32:51.032709  <6>[    0.254576] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256

 2107 21:32:51.039017  <6>[    0.254576] x86/fpu: xstate_offset[3]:  832, xstate_sizes[3]:   64

 2108 21:32:51.049217  <6>[    0.254576] x86/fpu: xstate_offset[4]:  896, xstate_sizes[4]:   64

 2109 21:32:51.058570  <6>[    0.254576] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format.

 2110 21:32:51.062299  Setting prompt string to ['-+\\[ end trace \\w* \\]-+[^\\n]*\\r', '/ #', 'Login timed out', 'Login incorrect']
 2111 21:32:51.065085  <4>[    0.254576] ------------[ cut here ]------------

 2112 21:32:51.075233  <4>[    0.254576] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00

 2113 21:32:51.085005  <4>[    0.254576] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:730 apply_returns+0x1c2/0x1e0

 2114 21:32:51.088464  <4>[    0.254576] Modules linked in:

 2115 21:32:51.098160  <4>[    0.254576] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.212-cip44 #1

 2116 21:32:51.104622  <4>[    0.254576] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 2117 21:32:51.111494  <4>[    0.254576] RIP: 0010:apply_returns+0x1c2/0x1e0

 2118 21:32:51.131666  <4>[    0.254576] Code: 80 3d 03 07 87 02 00 75 8b 49 89 e8 b9 05 00 00 00 4c 89 fa 48 89 ee 48 c7 c7 d0 6f d1 a2 c6 05 e5 06 87 02 01 e8 30 79 14 01 <0f> 0b e9 63 ff ff ff e8 02 c2 1c 01 e9 b3 36 14 01 66 66 2e 0f 1f

 2119 21:32:51.138318  <4>[    0.254576] RSP: 0000:ffffffffa3003e30 EFLAGS: 00010286

 2120 21:32:51.144752  <4>[    0.254576] RAX: 0000000000000000 RBX: ffffffffa3c21758 RCX: 0000000000000000

 2121 21:32:51.154339  <4>[    0.254576] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa0b78541

 2122 21:32:51.160824  <4>[    0.254576] RBP: ffffffffa2994740 R08: 0000000000000001 R09: 0000000000000001

 2123 21:32:51.170664  <4>[    0.254576] R10: ffffffffa308ffc0 R11: 3fffffffffffffff R12: ffffffffa3c3a334

 2124 21:32:51.180851  <4>[    0.254576] R13: ffffffffa3003ea8 R14: 0000000000000005 R15: ffffffffa2994745

 2125 21:32:51.187519  <4>[    0.254576] FS:  0000000000000000(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 2126 21:32:51.193907  <4>[    0.254576] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 2127 21:32:51.203490  <4>[    0.254576] CR2: ffff9e25fefff000 CR3: 0000000021e26001 CR4: 00000000003706f0

 2128 21:32:51.206547  <4>[    0.254576] Call Trace:

 2129 21:32:51.210113  <4>[    0.254576]  ? __warn+0x80/0x110

 2130 21:32:51.213638  <4>[    0.254576]  ? apply_returns+0x1c2/0x1e0

 2131 21:32:51.220049  <4>[    0.254576]  ? report_bug+0x9e/0xc0

 2132 21:32:51.223136  <4>[    0.254576]  ? __warn_printk+0x6c/0x8d

 2133 21:32:51.226879  <4>[    0.254576]  ? handle_bug+0x41/0x90

 2134 21:32:51.233141  <4>[    0.254576]  ? exc_invalid_op+0x14/0x70

 2135 21:32:51.236226  <4>[    0.254576]  ? asm_exc_invalid_op+0x12/0x20

 2136 21:32:51.243440  <4>[    0.254576]  ? console_unlock+0x4d1/0x5f0

 2137 21:32:51.246174  <4>[    0.254576]  ? apply_returns+0x1c2/0x1e0

 2138 21:32:51.252924  <4>[    0.254576]  alternative_instructions+0x7d/0x143

 2139 21:32:51.256718  <4>[    0.254576]  arch_cpu_finalize_init+0x28/0x47

 2140 21:32:51.263393  <4>[    0.254576]  start_kernel+0x4a3/0x54d

 2141 21:32:51.269216  <4>[    0.254576]  secondary_startup_64_no_verify+0xc2/0xcb

 2142 21:32:51.272599  <4>[    0.254576] irq event stamp: 199123

 2143 21:32:51.282700  <4>[    0.254576] hardirqs last  enabled at (199131): [<ffffffffa0b78541>] console_unlock+0x4d1/0x5f0

 2144 21:32:51.292619  <4>[    0.254576] hardirqs last disabled at (199138): [<ffffffffa0b784b4>] console_unlock+0x444/0x5f0

 2145 21:32:51.299211  <4>[    0.254576] softirqs last  enabled at (0): [<0000000000000000>] 0x0

 2146 21:32:51.305687  <4>[    0.254576] softirqs last disabled at (0): [<0000000000000000>] 0x0

 2147 21:32:51.312886  <4>[    0.254576] ---[ end trace c17c1eb82cc650c1 ]---

 2148 21:32:51.313171  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']
 2149 21:32:51.313247  login-action: kernel 'warning'
 2150 21:32:51.313317  [login-action] Waiting for messages, (timeout 00:04:23)
 2151 21:32:51.313378  Waiting using forced prompt support (timeout 00:02:11)
 2152 21:32:51.318973  <6>[    0.254576] Freeing SMP alternatives memory: 48K

 2153 21:32:51.322081  <6>[    0.254576] pid_max: default: 32768 minimum: 301

 2154 21:32:51.328611  <6>[    0.254576] LSM: Security Framework initializing

 2155 21:32:51.332358  <6>[    0.254576] SELinux:  Initializing.

 2156 21:32:51.338283  <6>[    0.254576] LSM support for eBPF active

 2157 21:32:51.344980  <6>[    0.254576] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2158 21:32:51.355521  <6>[    0.254576] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2159 21:32:51.366833  <6>[    0.254576] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9)

 2160 21:32:51.378312  <6>[    0.255189] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver.

 2161 21:32:51.381471  <6>[    0.255592] ... version:                4

 2162 21:32:51.388827  <6>[    0.255970] ... bit width:              48

 2163 21:32:51.393062  <6>[    0.256352] ... generic registers:      4

 2164 21:32:51.400805  <6>[    0.256581] ... value mask:             0000ffffffffffff

 2165 21:32:51.404404  <6>[    0.257066] ... max period:             00007fffffffffff

 2166 21:32:51.411493  <6>[    0.257549] ... fixed-purpose events:   3

 2167 21:32:51.415386  <6>[    0.257581] ... event mask:             000000070000000f

 2168 21:32:51.422097  <6>[    0.258583] rcu: Hierarchical SRCU implementation.

 2169 21:32:51.425483  <6>[    0.261017] smp: Bringing up secondary CPUs ...

 2170 21:32:51.431883  <6>[    0.262176] x86: Booting SMP configuration:

 2171 21:32:51.435594  <6>[    0.262594] .... node  #0, CPUs:      #1

 2172 21:32:51.452247  <4>[    0.263679] 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.

 2173 21:32:51.471272  <4>[    0.264594] 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.

 2174 21:32:51.475007  <4>[    0.266213]  #2 #3

 2175 21:32:51.478111  <6>[    0.268642] smp: Brought up 1 node, 4 CPUs

 2176 21:32:51.484597  <6>[    0.269235] smpboot: Max logical packages: 1

 2177 21:32:51.491347  <6>[    0.269585] smpboot: Total of 4 processors activated (12799.68 BogoMIPS)

 2178 21:32:51.494787  <6>[    0.272950] devtmpfs: initialized

 2179 21:32:51.500994  <6>[    0.273959] x86/mm: Memory block size: 128MB

 2180 21:32:51.511489  <6>[    0.278651] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns

 2181 21:32:51.521293  <6>[    0.279583] futex hash table entries: 1024 (order: 5, 131072 bytes, linear)

 2182 21:32:51.527538  <6>[    0.280707] pinctrl core: initialized pinctrl subsystem

 2183 21:32:51.530822  <6>[    0.282315] PM: RTC time: 21:32:48, date: 2024-03-06

 2184 21:32:51.537490  <6>[    0.283246] NET: Registered protocol family 16

 2185 21:32:51.543851  <6>[    0.284408] audit: initializing netlink subsys (disabled)

 2186 21:32:51.553642  <5>[    0.284634] audit: type=2000 audit(1709760768.031:1): state=initialized audit_enabled=0 res=1

 2187 21:32:51.560501  <6>[    0.284961] thermal_sys: Registered thermal governor 'step_wise'

 2188 21:32:51.566936  <6>[    0.284967] thermal_sys: Registered thermal governor 'user_space'

 2189 21:32:51.573317  <6>[    0.285621] cpuidle: using governor menu

 2190 21:32:51.577129  <6>[    0.286740] ACPI: bus type PCI registered

 2191 21:32:51.586784  <6>[    0.287622] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000)

 2192 21:32:51.596211  <6>[    0.288443] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820

 2193 21:32:51.603340  <6>[    0.289622] PCI: Using configuration type 1 for base access

 2194 21:32:51.606093  <6>[    0.326391] Kprobes globally optimized

 2195 21:32:51.612984  <6>[    0.326725] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages

 2196 21:32:51.623138  <6>[    0.327586] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages

 2197 21:32:51.629464  <6>[    0.328606] cryptomgr_test (38) used greatest stack depth: 14880 bytes left

 2198 21:32:51.635971  <6>[    0.331615] ACPI: Added _OSI(Module Device)

 2199 21:32:51.639430  <6>[    0.332012] ACPI: Added _OSI(Processor Device)

 2200 21:32:51.646096  <6>[    0.332427] ACPI: Added _OSI(3.0 _SCP Extensions)

 2201 21:32:51.653015  <6>[    0.332583] ACPI: Added _OSI(Processor Aggregator Device)

 2202 21:32:51.659147  <6>[    0.333078] ACPI: Added _OSI(Linux-Dell-Video)

 2203 21:32:51.662339  <6>[    0.333492] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)

 2204 21:32:51.669302  <6>[    0.333583] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)

 2205 21:32:51.678938  <6>[    0.346103] ACPI: 2 ACPI AML tables successfully acquired and loaded

 2206 21:32:51.681966  <6>[    0.354227] ACPI: EC: EC started

 2207 21:32:51.685488  <6>[    0.354562] ACPI: EC: interrupt blocked

 2208 21:32:51.692337  <6>[    0.355322] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2209 21:32:51.702125  <6>[    0.355586] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions

 2210 21:32:51.704935  <6>[    0.356244] ACPI: Interpreter enabled

 2211 21:32:51.708605  <6>[    0.356652] ACPI: (supports S0 S3 S4 S5)

 2212 21:32:51.715085  <6>[    0.357025] ACPI: Using IOAPIC for interrupt routing

 2213 21:32:51.725054  <6>[    0.357557] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug

 2214 21:32:51.731466  <6>[    0.374297] ACPI: Power Resource [PRIC] (on)

 2215 21:32:51.738062  <6>[    0.502927] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])

 2216 21:32:51.748313  <6>[    0.503504] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]

 2217 21:32:51.757464  <6>[    0.503900] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR]

 2218 21:32:51.767602  <6>[    0.504603] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge

 2219 21:32:51.774290  <6>[    0.506210] PCI host bridge to bus 0000:00

 2220 21:32:51.780488  <6>[    0.506587] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]

 2221 21:32:51.790734  <6>[    0.507196] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]

 2222 21:32:51.796814  <6>[    0.507584] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]

 2223 21:32:51.806927  <6>[    0.508249] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window]

 2224 21:32:51.817156  <6>[    0.508583] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window]

 2225 21:32:51.823525  <6>[    0.509250] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window]

 2226 21:32:51.833328  <6>[    0.509583] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window]

 2227 21:32:51.842954  <6>[    0.510250] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window]

 2228 21:32:51.849636  <6>[    0.510583] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window]

 2229 21:32:51.859721  <6>[    0.511249] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window]

 2230 21:32:51.866222  <6>[    0.511583] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window]

 2231 21:32:51.876249  <6>[    0.512249] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window]

 2232 21:32:51.885964  <6>[    0.512583] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window]

 2233 21:32:51.892369  <6>[    0.513250] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window]

 2234 21:32:51.902537  <6>[    0.513583] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window]

 2235 21:32:51.912751  <6>[    0.514250] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window]

 2236 21:32:51.918727  <6>[    0.514583] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window]

 2237 21:32:51.928557  <6>[    0.515250] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window]

 2238 21:32:51.938943  <6>[    0.515583] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window]

 2239 21:32:51.945031  <6>[    0.516249] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window]

 2240 21:32:51.951608  <6>[    0.516584] pci_bus 0000:00: root bus resource [bus 00-ff]

 2241 21:32:51.958470  <6>[    0.517186] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000

 2242 21:32:51.964641  <6>[    0.518742] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000

 2243 21:32:51.974576  <6>[    0.519313] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit]

 2244 21:32:51.981351  <6>[    0.519598] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref]

 2245 21:32:51.987914  <6>[    0.520252] pci 0000:00:02.0: reg 0x20: [io  0x1c00-0x1c3f]

 2246 21:32:51.997706  <6>[    0.521279] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000

 2247 21:32:52.004360  <6>[    0.521610] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit]

 2248 21:32:52.011371  <6>[    0.523057] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000

 2249 21:32:52.017595  <6>[    0.523611] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit]

 2250 21:32:52.027812  <6>[    0.524940] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330

 2251 21:32:52.034416  <6>[    0.525515] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit]

 2252 21:32:52.040818  <6>[    0.525740] pci 0000:00:14.0: PME# supported from D3hot D3cold

 2253 21:32:52.047290  <6>[    0.527097] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000

 2254 21:32:52.057283  <6>[    0.527624] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit]

 2255 21:32:52.064242  <6>[    0.528968] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000

 2256 21:32:52.070832  <6>[    0.529551] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit]

 2257 21:32:52.076772  <6>[    0.530465] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000

 2258 21:32:52.086819  <6>[    0.530631] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit]

 2259 21:32:52.093523  <6>[    0.532152] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000

 2260 21:32:52.099879  <6>[    0.532632] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit]

 2261 21:32:52.110083  <6>[    0.533265] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit]

 2262 21:32:52.116581  <6>[    0.534433] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000

 2263 21:32:52.122890  <6>[    0.534630] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit]

 2264 21:32:52.129473  <6>[    0.536149] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400

 2265 21:32:52.136381  <6>[    0.536795] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold

 2266 21:32:52.145989  <6>[    0.538171] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000

 2267 21:32:52.152657  <6>[    0.538631] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit]

 2268 21:32:52.159603  <6>[    0.540123] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000

 2269 21:32:52.165935  <6>[    0.540630] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit]

 2270 21:32:52.176062  <6>[    0.542101] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501

 2271 21:32:52.182046  <6>[    0.542625] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit]

 2272 21:32:52.188895  <6>[    0.544224] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501

 2273 21:32:52.198628  <6>[    0.544625] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit]

 2274 21:32:52.205298  <6>[    0.546081] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100

 2275 21:32:52.211917  <6>[    0.547427] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000

 2276 21:32:52.218218  <6>[    0.547616] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff]

 2277 21:32:52.224732  <6>[    0.548995] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100

 2278 21:32:52.234630  <6>[    0.549575] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit]

 2279 21:32:52.241514  <6>[    0.549645] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit]

 2280 21:32:52.248296  <6>[    0.550359] pci 0000:00:1f.3: PME# supported from D3hot D3cold

 2281 21:32:52.254425  <6>[    0.551401] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500

 2282 21:32:52.264145  <6>[    0.551651] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit]

 2283 21:32:52.271018  <6>[    0.552328] pci 0000:00:1f.4: reg 0x20: [io  0xefa0-0xefbf]

 2284 21:32:52.277929  <6>[    0.553358] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000

 2285 21:32:52.283918  <6>[    0.553617] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff]

 2286 21:32:52.290675  <6>[    0.555379] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000

 2287 21:32:52.297312  <6>[    0.556063] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit]

 2288 21:32:52.307212  <6>[    0.557936] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold

 2289 21:32:52.310379  <6>[    0.560414] pci 0000:00:1c.0: PCI bridge to [bus 01]

 2290 21:32:52.320332  <6>[    0.560600] pci 0000:00:1c.0:   bridge window [mem 0xd1000000-0xd10fffff]

 2291 21:32:52.327160  <6>[    0.562650] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11

 2292 21:32:52.337468  <6>[    0.563634] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15)

 2293 21:32:52.343357  <6>[    0.564555] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11

 2294 21:32:52.350131  <6>[    0.565500] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11

 2295 21:32:52.360057  <6>[    0.565869] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11

 2296 21:32:52.366571  <6>[    0.566811] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11

 2297 21:32:52.376808  <6>[    0.567756] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11

 2298 21:32:52.383055  <6>[    0.568697] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11

 2299 21:32:52.389396  <6>[    0.575500] ACPI: EC: interrupt unblocked

 2300 21:32:52.393358  <6>[    0.575583] ACPI: EC: event unblocked

 2301 21:32:52.399534  <6>[    0.575946] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2302 21:32:52.402586  <6>[    0.576416] ACPI: EC: GPE=0x6e

 2303 21:32:52.409170  <6>[    0.576586] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete

 2304 21:32:52.419298  <6>[    0.577218] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events

 2305 21:32:52.425937  <6>[    0.578043] iommu: Default domain type: Translated 

 2306 21:32:52.432582  <6>[    0.578840] pci 0000:00:02.0: vgaarb: setting as boot VGA device

 2307 21:32:52.442278  <6>[    0.579221] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none

 2308 21:32:52.448518  <6>[    0.579614] pci 0000:00:02.0: vgaarb: bridge control possible

 2309 21:32:52.452276  <6>[    0.580137] vgaarb: loaded

 2310 21:32:52.455070  <5>[    0.581035] SCSI subsystem initialized

 2311 21:32:52.461735  <6>[    0.581786] ACPI: bus type USB registered

 2312 21:32:52.468563  <6>[    0.582306] usbcore: registered new interface driver usbfs

 2313 21:32:52.475138  <6>[    0.582651] usbcore: registered new interface driver hub

 2314 21:32:52.478500  <6>[    0.583177] usbcore: registered new device driver usb

 2315 21:32:52.484751  <6>[    0.583708] mc: Linux media interface: v0.10

 2316 21:32:52.491500  <6>[    0.584142] videodev: Linux video capture interface: v2.00

 2317 21:32:52.497917  <6>[    0.584618] pps_core: LinuxPPS API ver. 1 registered

 2318 21:32:52.507850  <6>[    0.585075] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

 2319 21:32:52.511758  <6>[    0.585593] PTP clock support registered

 2320 21:32:52.521172  <6>[    0.586030] Advanced Linux Sound Architecture Driver Initialized.

 2321 21:32:52.524573  <6>[    0.587679] NetLabel: Initializing

 2322 21:32:52.527632  <6>[    0.588008] NetLabel:  domain hash size = 128

 2323 21:32:52.534409  <6>[    0.588413] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO

 2324 21:32:52.540659  <6>[    0.588667] NetLabel:  unlabeled traffic allowed by default

 2325 21:32:52.547507  <6>[    0.589266] PCI: Using ACPI for IRQ routing

 2326 21:32:52.553915  <6>[    0.597396] clocksource: Switched to clocksource tsc-early

 2327 21:32:52.557282  <5>[    1.018867] VFS: Disk quotas dquot_6.6.0

 2328 21:32:52.567244  <6>[    1.019295] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

 2329 21:32:52.570410  <6>[    1.020393] pnp: PnP ACPI init

 2330 21:32:52.577593  <6>[    1.021598] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved

 2331 21:32:52.583377  <6>[    1.022198] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved

 2332 21:32:52.593949  <6>[    1.022815] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved

 2333 21:32:52.600104  <6>[    1.023414] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved

 2334 21:32:52.607029  <6>[    1.024026] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved

 2335 21:32:52.616649  <6>[    1.024641] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved

 2336 21:32:52.622832  <6>[    1.025269] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved

 2337 21:32:52.633153  <6>[    1.025910] system 00:00: [mem 0xff000000-0xffffffff] has been reserved

 2338 21:32:52.639832  <6>[    1.026523] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved

 2339 21:32:52.645939  <6>[    1.027122] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved

 2340 21:32:52.655811  <6>[    1.028721] system 00:01: [io  0x1800-0x18fe] has been reserved

 2341 21:32:52.662874  <6>[    1.029695] system 00:03: [io  0x0900-0x09fe] has been reserved

 2342 21:32:52.668493  <6>[    1.030524] system 00:04: [io  0x0200] has been reserved

 2343 21:32:52.675148  <6>[    1.031015] system 00:04: [io  0x0204] has been reserved

 2344 21:32:52.681923  <6>[    1.031521] system 00:04: [io  0x0800-0x087f] has been reserved

 2345 21:32:52.688724  <6>[    1.032062] system 00:04: [io  0x0880-0x08ff] has been reserved

 2346 21:32:52.692075  <6>[    1.035507] pnp: PnP ACPI: found 6 devices

 2347 21:32:52.701845  <6>[    1.050762] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns

 2348 21:32:52.708394  <6>[    1.051695] NET: Registered protocol family 2

 2349 21:32:52.717959  <6>[    1.052282] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)

 2350 21:32:52.728377  <6>[    1.054842] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear)

 2351 21:32:52.734710  <6>[    1.055883] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)

 2352 21:32:52.744755  <6>[    1.056833] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear)

 2353 21:32:52.751077  <6>[    1.059768] TCP: Hash tables configured (established 32768 bind 32768)

 2354 21:32:52.761071  <6>[    1.060721] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear)

 2355 21:32:52.767594  <6>[    1.061734] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2356 21:32:52.777274  <6>[    1.062666] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2357 21:32:52.780850  <6>[    1.063770] NET: Registered protocol family 1

 2358 21:32:52.790298  <6>[    1.064927] RPC: Registered named UNIX socket transport module.

 2359 21:32:52.793763  <6>[    1.065515] RPC: Registered udp transport module.

 2360 21:32:52.801068  <6>[    1.065952] RPC: Registered tcp transport module.

 2361 21:32:52.806939  <6>[    1.066387] RPC: Registered tcp NFSv4.1 backchannel transport module.

 2362 21:32:52.814315  <6>[    1.067639] NET: Registered protocol family 44

 2363 21:32:52.817239  <6>[    1.068076] pci 0000:00:1c.0: PCI bridge to [bus 01]

 2364 21:32:52.827166  <6>[    1.068570] pci 0000:00:1c.0:   bridge window [mem 0xd1000000-0xd10fffff]

 2365 21:32:52.833817  <6>[    1.069193] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]

 2366 21:32:52.840477  <6>[    1.069761] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]

 2367 21:32:52.850263  <6>[    1.070320] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]

 2368 21:32:52.856878  <6>[    1.071014] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window]

 2369 21:32:52.866495  <6>[    1.071645] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window]

 2370 21:32:52.872927  <6>[    1.072263] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window]

 2371 21:32:52.879347  <6>[    1.072891] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window]

 2372 21:32:52.889941  <6>[    1.073529] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window]

 2373 21:32:52.896192  <6>[    1.074154] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window]

 2374 21:32:52.906000  <6>[    1.074789] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window]

 2375 21:32:52.912680  <6>[    1.075414] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window]

 2376 21:32:52.922880  <6>[    1.076096] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window]

 2377 21:32:52.929115  <6>[    1.076735] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window]

 2378 21:32:52.938852  <6>[    1.077360] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window]

 2379 21:32:52.945532  <6>[    1.077994] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window]

 2380 21:32:52.955551  <6>[    1.078632] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window]

 2381 21:32:52.962150  <6>[    1.079257] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window]

 2382 21:32:52.971844  <6>[    1.079892] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window]

 2383 21:32:52.978586  <6>[    1.080544] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window]

 2384 21:32:52.985202  <6>[    1.081170] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window]

 2385 21:32:52.995087  <6>[    1.081805] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff]

 2386 21:32:53.004859  <6>[    1.082886] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]

 2387 21:32:53.008219  <6>[    1.085753] PCI: CLS 64 bytes, default 64

 2388 21:32:53.011134  <6>[    1.086564] Unpacking initramfs...

 2389 21:32:53.018267  <6>[    1.538096] Freeing initrd memory: 10244K

 2390 21:32:53.021354  <6>[    1.538621] DMAR: Host address width 39

 2391 21:32:53.027798  <6>[    1.539022] DMAR: DRHD base: 0x000000fed90000 flags: 0x0

 2392 21:32:53.037567  <6>[    1.539622] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e

 2393 21:32:53.044265  <6>[    1.540369] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff

 2394 21:32:53.050802  <6>[    1.540947] DMAR: DRHD base: 0x000000fed91000 flags: 0x1

 2395 21:32:53.061427  <6>[    1.541453] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da

 2396 21:32:53.067390  <6>[    1.542271] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)

 2397 21:32:53.077295  <6>[    1.542864] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB)

 2398 21:32:53.086776  <6>[    1.543837] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer

 2399 21:32:53.093209  <6>[    1.544564] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules

 2400 21:32:53.100406  <6>[    1.545087] RAPL PMU: hw unit of domain package 2^-14 Joules

 2401 21:32:53.106627  <6>[    1.545611] RAPL PMU: hw unit of domain dram 2^-14 Joules

 2402 21:32:53.113604  <6>[    1.546104] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules

 2403 21:32:53.119985  <6>[    1.546628] RAPL PMU: hw unit of domain psys 2^-14 Joules

 2404 21:32:53.122884  <3>[    1.549036] kvm: already loaded the other module

 2405 21:32:53.133232  <6>[    1.551997] check: Scanning for low memory corruption every 60 seconds

 2406 21:32:53.136036  <5>[    1.556033] Initialise system trusted keyrings

 2407 21:32:53.146122  <6>[    1.556740] workingset: timestamp_bits=56 max_order=20 bucket_order=0

 2408 21:32:53.149793  <5>[    1.578100] NFS: Registering the id_resolver key type

 2409 21:32:53.155947  <5>[    1.578631] Key type id_resolver registered

 2410 21:32:53.159863  <5>[    1.579054] Key type id_legacy registered

 2411 21:32:53.166106  <5>[    1.601560] Key type asymmetric registered

 2412 21:32:53.172431  <5>[    1.601979] Asymmetric key parser 'x509' registered

 2413 21:32:53.178804  <6>[    1.602507] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)

 2414 21:32:53.186220  <6>[    1.603190] io scheduler mq-deadline registered

 2415 21:32:53.188805  <6>[    1.603631] io scheduler kyber registered

 2416 21:32:53.195647  <4>[    1.604245] test_firmware: interface ready

 2417 21:32:53.202128  <6>[    1.606250] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120

 2418 21:32:53.205071  <6>[    1.608192] ACPI: AC Adapter [AC] (on-line)

 2419 21:32:53.218414  <6>[    1.609014] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0

 2420 21:32:53.221498  <6>[    1.610896] ACPI: Lid Switch [LID0]

 2421 21:32:53.232244  <6>[    1.611523] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1

 2422 21:32:53.235286  <6>[    1.612441] ACPI: Power Button [PWRF]

 2423 21:32:53.241749  <6>[    1.613175] ACPI: \_PR_.CP00: Found 3 idle states

 2424 21:32:53.247864  <6>[    1.614515] ACPI: \_PR_.CP01: Found 3 idle states

 2425 21:32:53.251259  <6>[    1.615613] ACPI: \_PR_.CP02: Found 3 idle states

 2426 21:32:53.257865  <6>[    1.616804] ACPI: \_PR_.CP03: Found 3 idle states

 2427 21:32:53.264340  <6>[    1.618467] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled

 2428 21:32:53.271166  <4>[    1.623037] hpet_acpi_add: no address or irqs in _CRS

 2429 21:32:53.278015  <6>[    1.623673] battery: ACPI: Battery Slot [BAT0] (battery present)

 2430 21:32:53.284443  <6>[    1.623895] Non-volatile memory driver v1.3

 2431 21:32:53.287540  <6>[    1.624961] Linux agpgart interface v0.103

 2432 21:32:53.294206  <6>[    1.625763] ACPI: bus type drm_connector registered

 2433 21:32:53.300841  <6>[    1.626399] [drm] amdgpu kernel modesetting enabled.

 2434 21:32:53.307040  <6>[    1.629727] i915 0000:00:02.0: vgaarb: deactivate vga console

 2435 21:32:53.317421  <6>[    1.682947] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem

 2436 21:32:53.327153  <6>[    1.684759] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4)

 2437 21:32:53.336791  <6>[    1.722271] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0

 2438 21:32:53.343595  <6>[    1.726197] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1

 2439 21:32:53.346764  <6>[    1.741996] loop: module loaded

 2440 21:32:53.356547  <6>[    1.743141] lkdtm: No crash points registered, enable through debugfs

 2441 21:32:53.360237  <6>[    1.768318] printk: console [ttyS0] disabled

 2442 21:32:53.369886  <6>[    1.769092] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A

 2443 21:32:53.376433  <6>[    2.589716] tsc: Refined TSC clocksource calibration: 1607.999 MHz

 2444 21:32:53.383181  <6>[    2.605150] printk: console [ttyS0] enabled

 2445 21:32:53.392677  <6>[    2.614340] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns

 2446 21:32:53.402678  <6>[    2.635403] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A

 2447 21:32:53.462468  <6>[    5.402020] fbcon: i915drmfb (fb0) is primary device

 2448 21:32:53.465491  <6>[    5.403603] clocksource: Switched to clocksource tsc

 2449 21:32:53.476067  <4>[    5.403986] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO

 2450 21:32:53.479213  <6>[    5.412433] e100: Intel(R) PRO/100 Network Driver

 2451 21:32:53.485341  <6>[    5.412437] e100: Copyright(c) 1999-2006 Intel Corporation

 2452 21:32:53.491893  <6>[    5.412533] e1000: Intel(R) PRO/1000 Network Driver

 2453 21:32:53.498770  <6>[    5.412536] e1000: Copyright (c) 1999-2006 Intel Corporation.

 2454 21:32:53.507050  <6>[    5.412618] e1000e: Intel(R) PRO/1000 Network Driver

 2455 21:32:53.509973  <6>[    5.412621] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

 2456 21:32:53.516724  <6>[    5.412704] sky2: driver version 1.30

 2457 21:32:53.523161  <6>[    5.413016] usbcore: registered new interface driver r8152

 2458 21:32:53.530039  <6>[    5.413574] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

 2459 21:32:53.536413  <6>[    5.413599] ehci-pci: EHCI PCI platform driver

 2460 21:32:53.543154  <6>[    5.413670] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

 2461 21:32:53.546414  <6>[    5.413687] ohci-pci: OHCI PCI platform driver

 2462 21:32:53.556548  <6>[    5.413747] uhci_hcd: USB Universal Host Controller Interface driver

 2463 21:32:53.563089  <6>[    5.414353] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2

 2464 21:32:53.570051  <6>[    5.414801] xhci_hcd 0000:00:14.0: xHCI Host Controller

 2465 21:32:53.579960  <6>[    5.415984] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1

 2466 21:32:53.589485  <6>[    5.417612] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810

 2467 21:32:53.596525  <6>[    5.417669] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported

 2468 21:32:53.603307  <6>[    5.419820] xhci_hcd 0000:00:14.0: xHCI Host Controller

 2469 21:32:53.609443  <6>[    5.420340] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2

 2470 21:32:53.620322  <6>[    5.420355] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed

 2471 21:32:53.629625  <6>[    5.421089] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10

 2472 21:32:53.635944  <6>[    5.421154] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2473 21:32:53.642532  <6>[    5.421158] usb usb1: Product: xHCI Host Controller

 2474 21:32:53.649457  <6>[    5.421162] usb usb1: Manufacturer: Linux 5.10.212-cip44 xhci-hcd

 2475 21:32:53.665689  <6>[    5.421165] usb usb1: SerialNumber: 0000:00:14.0

 2476 21:32:53.665833  <6>[    5.423466] hub 1-0:1.0: USB hub found

 2477 21:32:53.666283  <6>[    5.423741] hub 1-0:1.0: 12 ports detected

 2478 21:32:53.675698  <6>[    5.429123] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10

 2479 21:32:53.682261  <6>[    5.429128] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2480 21:32:53.689070  <6>[    5.429132] usb usb2: Product: xHCI Host Controller

 2481 21:32:53.697215  <6>[    5.429136] usb usb2: Manufacturer: Linux 5.10.212-cip44 xhci-hcd

 2482 21:32:53.701464  <6>[    5.429139] usb usb2: SerialNumber: 0000:00:14.0

 2483 21:32:53.705146  <6>[    5.429991] hub 2-0:1.0: USB hub found

 2484 21:32:53.708533  <6>[    5.430043] hub 2-0:1.0: 6 ports detected

 2485 21:32:53.717720  <6>[    5.432149] usbcore: registered new interface driver usblp

 2486 21:32:53.724979  <6>[    5.432247] usbcore: registered new interface driver usb-storage

 2487 21:32:53.735006  <6>[    5.433072] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers

 2488 21:32:53.741124  <6>[    5.433307] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1

 2489 21:32:53.754379  <4>[    5.433311] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp

 2490 21:32:53.758035  <4>[    5.434238] i8042: Warning: Keylock active

 2491 21:32:53.764905  <6>[    5.434643] serio: i8042 KBD port at 0x60,0x64 irq 1

 2492 21:32:53.767799  <6>[    5.437765] rtc_cmos 00:02: RTC can wake from S4

 2493 21:32:53.774613  <6>[    5.440207] rtc_cmos 00:02: registered as rtc0

 2494 21:32:53.781899  <6>[    5.440472] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram

 2495 21:32:53.791121  <6>[    5.440984] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2

 2496 21:32:53.797714  <6>[    5.441824] i801_smbus 0000:00:1f.4: SPD Write Disable is set

 2497 21:32:53.804390  <6>[    5.441876] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt

 2498 21:32:53.814359  <6>[    5.442266] Console: switching to colour frame buffer device 240x67

 2499 21:32:53.821005  <6>[    5.442845] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0)

 2500 21:32:53.827464  <6>[    5.443114] i2c i2c-9: 2/2 memory slots populated (from DMI)

 2501 21:32:53.837327  <6>[    5.444937] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com

 2502 21:32:53.844036  <6>[    5.444983] intel_pstate: Intel P-state driver initializing

 2503 21:32:53.847085  <6>[    5.445851] intel_pstate: HWP enabled

 2504 21:32:53.853983  <6>[    5.445888] sdhci: Secure Digital Host Controller Interface driver

 2505 21:32:53.860932  <6>[    5.445889] sdhci: Copyright(c) Pierre Ossman

 2506 21:32:53.870754  <6>[    5.445920] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21)

 2507 21:32:53.876902  <6>[    5.446919] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit

 2508 21:32:53.887055  <6>[    5.447165] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2509 21:32:53.890145  <6>[    5.448961] hid: raw HID events driver (C) Jiri Kosina

 2510 21:32:53.897381  <6>[    5.449758] usbcore: registered new interface driver usbhid

 2511 21:32:53.903268  <6>[    5.449759] usbhid: USB HID core driver

 2512 21:32:53.917263  <6>[    5.451906] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3

 2513 21:32:53.923360  <6>[    5.456457] cros_ec_lpcs GOOG0004:00: Chrome EC device registered

 2514 21:32:53.929949  <6>[    5.458177] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device

 2515 21:32:53.940222  <6>[    5.464744] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100

 2516 21:32:53.950112  <6>[    5.671529] usb 1-3: new full-speed USB device number 2 using xhci_hcd

 2517 21:32:53.953100  <6>[    5.672719] netem: version 1.3

 2518 21:32:53.966765  <6>[    5.724712] 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

 2519 21:32:53.973550  <6>[    5.731775] ipip: IPv4 and MPLS over IPv4 tunneling driver

 2520 21:32:53.979468  <6>[    5.780090] mmc0: new HS400 MMC card at address 0001

 2521 21:32:53.982788  <6>[    5.790260] IPv4 over IPsec tunneling driver

 2522 21:32:53.989903  <6>[    5.796950] mmcblk0: mmc0:0001 DA4064 58.2 GiB 

 2523 21:32:53.993190  <6>[    5.803562] Initializing XFRM netlink socket

 2524 21:32:53.999372  <6>[    5.810697] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB

 2525 21:32:54.006162  <6>[    5.818913] NET: Registered protocol family 10

 2526 21:32:54.012620  <6>[    5.825306] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB

 2527 21:32:54.016647  <6>[    5.835680] Segment Routing with IPv6

 2528 21:32:54.025896  <6>[    5.841935] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0)

 2529 21:32:54.029834  <6>[    5.846479] NET: Registered protocol family 17

 2530 21:32:54.036030  <6>[    5.871714]  mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12

 2531 21:32:54.042826  <6>[    5.874898] 8021q: 802.1Q VLAN Support v1.8

 2532 21:32:54.052331  <6>[    5.883238] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03

 2533 21:32:54.055897  <5>[    5.889316] Key type dns_resolver registered

 2534 21:32:54.065652  <6>[    5.895799] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0

 2535 21:32:54.072673  <6>[    5.955637] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2536 21:32:54.082205  <6>[    6.027058] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops)

 2537 21:32:54.088857  <6>[    6.029684] microcode: sig=0x806e9, pf=0x10, revision=0x98

 2538 21:32:54.095854  <6>[    6.035406] microcode: Microcode Update Driver: v2.2.

 2539 21:32:54.105546  <6>[    6.041362] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00

 2540 21:32:54.108724  <6>[    6.049810] IPI shorthand broadcast: enabled

 2541 21:32:54.118685  <6>[    6.050053] sched_clock: Marking stable (5964506909, 85482174)->(6181871487, -131882404)

 2542 21:32:54.128652  <6>[    6.054986] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6

 2543 21:32:54.131837  <6>[    6.088035] registered taskstats version 1

 2544 21:32:54.138621  <6>[    6.093731] usb 2-3: Product: USB 10/100/1000 LAN

 2545 21:32:54.141679  <6>[    6.093735] usb 2-3: Manufacturer: Realtek

 2546 21:32:54.148332  <5>[    6.103335] Loading compiled-in X.509 certificates

 2547 21:32:54.155304  <6>[    6.108244] usb 2-3: SerialNumber: 001000001

 2548 21:32:54.165295  <3>[    6.153700] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up

 2549 21:32:54.171509  <6>[    6.154408] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2550 21:32:54.178095  <6>[    6.160540] usb 1-9: new high-speed USB device number 3 using xhci_hcd

 2551 21:32:54.194346  <6>[    6.183915] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2552 21:32:54.201374  <6>[    6.193290] PM:   Magic number: 0:139:550

 2553 21:32:54.204410  <6>[    6.198151] clockevents clockevent1: hash matches

 2554 21:32:54.211058  <6>[    6.203785] acpi PNP0C0F:01: hash matches

 2555 21:32:54.217832  <6>[    6.208707] printk: console [netcon0] enabled

 2556 21:32:54.221005  <6>[    6.213874] netconsole: network logging started

 2557 21:32:54.329865  <6>[    6.319578] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07

 2558 21:32:54.339993  <6>[    6.329055] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2

 2559 21:32:54.347080  <6>[    6.337372] usb 1-9: Product: USB2.0 HD UVC WebCam

 2560 21:32:54.349874  <6>[    6.343035] usb 1-9: Manufacturer: Azurewave

 2561 21:32:54.356257  <6>[    6.348117] usb 1-9: SerialNumber: 0x0001

 2562 21:32:54.370976  <6>[    6.360574] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2563 21:32:54.416501  <6>[    6.405907] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2564 21:32:54.469717  <6>[    6.459086] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully

 2565 21:32:54.507057  <6>[    6.499520] r8152 2-3:1.0 eth0: v1.11.11

 2566 21:32:54.516518  <6>[    6.504986] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2567 21:32:56.118600  <6>[    8.110726] r8152 2-3:1.0 eth0: carrier on

 2568 21:32:56.124366  <6>[    8.112668] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

 2569 21:32:58.201730  <5>[    8.124614] Sending DHCP requests .., OK

 2570 21:32:58.212263  <6>[   10.199411] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.18

 2571 21:32:58.214648  <6>[   10.208671] IP-Config: Complete:

 2572 21:32:58.227852  <6>[   10.212590]      device=eth0, hwaddr=00:e0:4c:68:0a:98, ipaddr=192.168.201.18, mask=255.255.255.0, gw=192.168.201.1

 2573 21:32:58.234852  <6>[   10.224568]      host=asus-c433ta-aj0005-rammus-cbg-2, domain=lava-rack, nis-domain=(none)

 2574 21:32:58.244348  <6>[   10.234110]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

 2575 21:32:58.250647  <6>[   10.234113]      nameserver0=192.168.201.1

 2576 21:32:58.257491  <5>[   10.247565] cfg80211: Loading compiled-in X.509 certificates for regulatory database

 2577 21:32:58.269577  <6>[   10.259235] modprobe (101) used greatest stack depth: 14208 bytes left

 2578 21:32:58.276607  <5>[   10.262176] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'

 2579 21:32:58.282468  <6>[   10.266853] modprobe (102) used greatest stack depth: 14120 bytes left

 2580 21:32:58.292883  <5>[   10.282197] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600'

 2581 21:32:58.302748  <4>[   10.291804] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2

 2582 21:32:58.305738  <6>[   10.295620] ALSA device list:

 2583 21:32:58.312508  <6>[   10.301795] cfg80211: failed to load regulatory.db

 2584 21:32:58.315943  <6>[   10.305375]   No soundcards found.

 2585 21:32:58.326069  <4>[   10.315500] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console

 2586 21:32:58.335550  <6>[   10.325475] Freeing unused kernel image (initmem) memory: 2160K

 2587 21:32:58.353919  <6>[   10.343750] Write protecting the kernel read-only data: 38912k

 2588 21:32:58.360327  <6>[   10.351455] Freeing unused kernel image (text/rodata gap) memory: 2028K

 2589 21:32:58.370341  <6>[   10.359458] Freeing unused kernel image (rodata/data gap) memory: 716K

 2590 21:32:58.374016  <6>[   10.367118] Run /init as init process

 2591 21:32:58.386103  <6>[   10.376018] cat (111) used greatest stack depth: 13752 bytes left

 2592 21:32:58.386198  Loading, please wait...

 2593 21:32:58.397346  Starting version 247.3-7+deb11u4

 2594 21:32:58.450108  <6>[   10.439560] udevadm (125) used greatest stack depth: 13592 bytes left

 2595 21:32:58.570540  <6>[   10.562914] chromeos ramoops using acpi device.

 2596 21:32:58.580165  <6>[   10.563976] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2597 21:32:58.595062  <4>[   10.584876] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer.

 2598 21:32:58.605162  <6>[   10.585344] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2599 21:32:58.614997  <6>[   10.604483] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2600 21:32:58.625394  <6>[   10.614968] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2601 21:32:58.635402  <4>[   10.618113] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator

 2602 21:32:58.642010  <4>[   10.632526] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator

 2603 21:32:58.657550  <6>[   10.647315] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2604 21:32:58.667849  <4>[   10.654297] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk

 2605 21:32:58.677478  <6>[   10.667321] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2606 21:32:58.683985  <6>[   10.676197] Registered efivars operations

 2607 21:32:58.687651  <6>[   10.681015] gsmi version 1.0 loaded

 2608 21:32:58.697383  <6>[   10.687036] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2609 21:32:58.825257  <6>[   10.807981] 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

 2610 21:32:58.839280  <6>[   10.825664] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00

 2611 21:32:58.849183  <6>[   10.838571] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2612 21:32:58.860669  <6>[   10.849601] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2613 21:32:58.870995  <6>[   10.860578] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2614 21:32:58.882175  <6>[   10.870739] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2615 21:32:58.892729  <6>[   10.880656] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2616 21:32:58.900263  <6>[   10.890951] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2617 21:32:58.910242  <6>[   10.899484] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4)

 2618 21:32:58.923348  <6>[   10.911946] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2619 21:32:58.933352  <6>[   10.913332] 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

 2620 21:32:58.943198  <6>[   10.931162] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2621 21:32:58.950366  <6>[   10.933218] usbcore: registered new interface driver uvcvideo

 2622 21:32:58.953175  <6>[   10.947694] USB Video Class driver (1.1.1)

 2623 21:32:58.963810  <6>[   10.951873] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2624 21:32:58.973622  <6>[   10.962607] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2625 21:32:58.980120  <6>[   10.967108] udevadm (151) used greatest stack depth: 13392 bytes left

 2626 21:32:58.986419  Begin: Loading essential drivers ... done.

 2627 21:32:58.989756  Begin: Running /scripts/init-premount ... done.

 2628 21:32:58.996238  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

 2629 21:32:59.005994  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

 2630 21:32:59.009474  Device /sys/class/net/eth0 found

 2631 21:32:59.013116  done.

 2632 21:32:59.019749  IP-Config: eth0 hardware address 00:e0:4c:68:0a:98 mtu 1500 DHCP

 2633 21:32:59.022542  IP-Config: eth0 complete (dhcp from 192.168.201.1):

 2634 21:32:59.032868   address: 192.168.201.18   broadcast: 192.168.201.255  netmask: 255.255.255.0   

 2635 21:32:59.038883   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         

 2636 21:32:59.045581   host   : asus-c433ta-aj0005-rammus-cbg-2                                 

 2637 21:32:59.056127   domain : lava-rack                                                       

 2638 21:32:59.058930   rootserver: 192.168.201.1 rootpath: 

 2639 21:32:59.059014   filename  : 

 2640 21:32:59.137205  <6>[   11.126884] nfsmount (171) used greatest stack depth: 12528 bytes left

 2641 21:32:59.137354  done.

 2642 21:32:59.146812  Begin: Running /scripts/nfs-bottom ... done.

 2643 21:32:59.171172  Begin: Running /scripts/init-bottom ... done.

 2644 21:33:00.196962  SELinux:  Could not open policy file <= /etc/selinux/targeted/policy/policy.33:  No such file or directory

 2645 21:33:00.379668  <30>[   12.352870] systemd[1]: systemd 247.3-7+deb11u4 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)

 2646 21:33:00.398425  <30>[   12.391778] systemd[1]: Detected architecture x86-64.

 2647 21:33:00.416609  

 2648 21:33:00.419306  Welcome to Debian GNU/Linux 11 (bullseye)!

 2649 21:33:00.419432  

 2650 21:33:00.429672  <30>[   12.419668] systemd[1]: Set hostname to <debian-bullseye-amd64>.

 2651 21:33:00.856127  <30>[   12.846009] systemd[1]: Queued start job for default target Graphical Interface.

 2652 21:33:00.862918  <30>[   12.856143] systemd[1]: Created slice system-getty.slice.

 2653 21:33:00.873346  [  OK  ] Created slice system-getty.slice.

 2654 21:33:00.880109  <30>[   12.872120] systemd[1]: Created slice system-modprobe.slice.

 2655 21:33:00.889421  [  OK  ] Created slice system-modprobe.slice.

 2656 21:33:00.899606  <30>[   12.889129] systemd[1]: Created slice system-serial\x2dgetty.slice.

 2657 21:33:00.906031  [  OK  ] Created slice system-serial\x2dgetty.slice.

 2658 21:33:00.916509  <30>[   12.906095] systemd[1]: Created slice User and Session Slice.

 2659 21:33:00.922984  [  OK  ] Created slice User and Session Slice.

 2660 21:33:00.933598  <30>[   12.923107] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

 2661 21:33:00.943634  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

 2662 21:33:00.953277  <30>[   12.942004] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

 2663 21:33:00.963279  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

 2664 21:33:00.976091  <30>[   12.961720] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.

 2665 21:33:00.982679  [  OK  ] Set up automount Arbitrary…s File System Automount Point.

 2666 21:33:00.995301  <30>[   12.984868] systemd[1]: Reached target Local Encrypted Volumes.

 2667 21:33:01.001891  [  OK  ] Reached target Local Encrypted Volumes.

 2668 21:33:01.009001  <30>[   13.001858] systemd[1]: Reached target Paths.

 2669 21:33:01.015450  [  OK  ] Reached target Paths.

 2670 21:33:01.022817  <30>[   13.015829] systemd[1]: Reached target Remote File Systems.

 2671 21:33:01.033027  [  OK  ] Reached target Remote File Systems.

 2672 21:33:01.040478  <30>[   13.031832] systemd[1]: Reached target Slices.

 2673 21:33:01.046094  [  OK  ] Reached target Slices.

 2674 21:33:01.053286  <30>[   13.045849] systemd[1]: Reached target Swap.

 2675 21:33:01.059490  [  OK  ] Reached target Swap.

 2676 21:33:01.066254  <30>[   13.057075] systemd[1]: Listening on initctl Compatibility Named Pipe.

 2677 21:33:01.076592  [  OK  ] Listening on initctl Compatibility Named Pipe.

 2678 21:33:01.082892  <30>[   13.075728] systemd[1]: Listening on Journal Audit Socket.

 2679 21:33:01.092830  [  OK  ] Listening on Journal Audit Socket.

 2680 21:33:01.102831  <30>[   13.092675] systemd[1]: Listening on Journal Socket (/dev/log).

 2681 21:33:01.109309  [  OK  ] Listening on Journal Socket (/dev/log).

 2682 21:33:01.116027  <30>[   13.109161] systemd[1]: Listening on Journal Socket.

 2683 21:33:01.122904  [  OK  ] Listening on Journal Socket.

 2684 21:33:01.135024  <30>[   13.124659] systemd[1]: Listening on Network Service Netlink Socket.

 2685 21:33:01.142115  [  OK  ] Listening on Network Service Netlink Socket.

 2686 21:33:01.150752  <30>[   13.143724] systemd[1]: Listening on udev Control Socket.

 2687 21:33:01.160772  [  OK  ] Listening on udev Control Socket.

 2688 21:33:01.167249  <30>[   13.160160] systemd[1]: Listening on udev Kernel Socket.

 2689 21:33:01.176789  [  OK  ] Listening on udev Kernel Socket.

 2690 21:33:01.185192  <30>[   13.177534] systemd[1]: Mounting Huge Pages File System...

 2691 21:33:01.191142           Mounting Huge Pages File System...

 2692 21:33:01.204279  <30>[   13.194054] systemd[1]: Mounting POSIX Message Queue File System...

 2693 21:33:01.211179           Mounting POSIX Message Queue File System...

 2694 21:33:01.222434  <30>[   13.212045] systemd[1]: Mounting Kernel Debug File System...

 2695 21:33:01.225910           Mounting Kernel Debug File System...

 2696 21:33:01.237528  <30>[   13.226928] systemd[1]: Mounting Kernel Trace File System...

 2697 21:33:01.240376           Mounting Kernel Trace File System...

 2698 21:33:01.256723  <30>[   13.246591] systemd[1]: Starting Create list of static device nodes for the current kernel...

 2699 21:33:01.267125           Starting Create list of st…odes for the current kernel...

 2700 21:33:01.278659  <30>[   13.268251] systemd[1]: Starting Load Kernel Module configfs...

 2701 21:33:01.285196           Starting Load Kernel Module configfs...

 2702 21:33:01.295457  <30>[   13.288428] systemd[1]: Starting Load Kernel Module drm...

 2703 21:33:01.302165           Starting Load Kernel Module drm...

 2704 21:33:01.315465  <30>[   13.308218] systemd[1]: Starting Load Kernel Module fuse...

 2705 21:33:01.321984           Starting Load Kernel Module fuse...

 2706 21:33:01.364151  <30>[   13.350166] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

 2707 21:33:01.367272  <6>[   13.361036] fuse: init (API version 7.32)

 2708 21:33:01.374992  <30>[   13.367320] systemd[1]: Starting Journal Service...

 2709 21:33:01.381167           Starting Journal Service...

 2710 21:33:01.389187  <30>[   13.382376] systemd[1]: Starting Load Kernel Modules...

 2711 21:33:01.395729           Starting Load Kernel Modules...

 2712 21:33:01.406305  <30>[   13.395885] systemd[1]: Starting Remount Root and Kernel File Systems...

 2713 21:33:01.412656           Starting Remount Root and Kernel File Systems...

 2714 21:33:01.424178  <30>[   13.414106] systemd[1]: Starting Coldplug All udev Devices...

 2715 21:33:01.427882           Starting Coldplug All udev Devices...

 2716 21:33:01.440047  <30>[   13.433192] systemd[1]: Mounted Huge Pages File System.

 2717 21:33:01.446669  [  OK  ] Mounted Huge Pages File System.

 2718 21:33:01.459952  <30>[   13.449808] systemd[1]: Mounted POSIX Message Queue File System.

 2719 21:33:01.466690  [  OK  ] Mounted POSIX Message Queue File System.

 2720 21:33:01.473153  <30>[   13.465856] systemd[1]: Mounted Kernel Debug File System.

 2721 21:33:01.479816  [  OK  ] Mounted Kernel Debug File System.

 2722 21:33:01.489331  <30>[   13.481783] systemd[1]: Mounted Kernel Trace File System.

 2723 21:33:01.495440  [  OK  ] Mounted Kernel Trace File System.

 2724 21:33:01.508605  <30>[   13.497803] systemd[1]: Finished Create list of static device nodes for the current kernel.

 2725 21:33:01.518040  [  OK  ] Finished Create list of st… nodes for the current kernel.

 2726 21:33:01.530374  <30>[   13.520373] systemd[1]: modprobe@configfs.service: Succeeded.

 2727 21:33:01.537085  <30>[   13.527882] systemd[1]: Finished Load Kernel Module configfs.

 2728 21:33:01.544086  [  OK  ] Finished Load Kernel Module configfs.

 2729 21:33:01.551535  <30>[   13.544507] systemd[1]: modprobe@drm.service: Succeeded.

 2730 21:33:01.558213  <30>[   13.551501] systemd[1]: Finished Load Kernel Module drm.

 2731 21:33:01.565173  [  OK  ] Finished Load Kernel Module drm.

 2732 21:33:01.574887  <30>[   13.567879] systemd[1]: Started Journal Service.

 2733 21:33:01.581787  [  OK  ] Started Journal Service.

 2734 21:33:01.594191  [  OK  ] Finished Load Kernel Module fuse.

 2735 21:33:01.602572  [  OK  ] Finished Load Kernel Modules.

 2736 21:33:01.613725  [  OK  ] Finished Remount Root and Kernel File Systems.

 2737 21:33:01.624635           Mounting FUSE Control File System...

 2738 21:33:01.636886           Mounting Kernel Configuration File System...

 2739 21:33:01.652561           Starting Flush Journal to Persistent Storage...

 2740 21:33:01.660570           Starting Load/Save Random Seed...

 2741 21:33:01.670536           Starting Apply Kernel Variables...

 2742 21:33:01.681549           Starting Create System Users...

 2743 21:33:01.691545  <46>[   13.675792] systemd-journald[207]: Received client request to flush runtime journal.

 2744 21:33:01.698232  [  OK  ] Mounted FUSE Control File System.

 2745 21:33:01.712479  [  OK  ] Mounted Kernel Configuration File System.

 2746 21:33:01.719713  [  OK  ] Finished Load/Save Random Seed.

 2747 21:33:01.815446  [  OK  ] Finished Coldplug All udev Devices.

 2748 21:33:01.822000  [  OK  ] Finished Apply Kernel Variables.

 2749 21:33:02.821368  [  OK  ] Finished Create System Users.

 2750 21:33:02.832348           Starting Create Static Device Nodes in /dev...

 2751 21:33:03.154388  [  OK  ] Finished Flush Journal to Persistent Storage.

 2752 21:33:03.212126  <6>[   15.201243] systemd-tmpfile (218) used greatest stack depth: 12368 bytes left

 2753 21:33:03.218395  [  OK  ] Finished Create Static Device Nodes in /dev.

 2754 21:33:03.230984  [  OK  ] Reached target Local File Systems (Pre).

 2755 21:33:03.240356  [  OK  ] Reached target Local File Systems.

 2756 21:33:03.252439           Starting Create Volatile Files and Directories...

 2757 21:33:03.267493           Starting Rule-based Manage…for Device Events and Files...

 2758 21:33:03.410484  [  OK  ] Started Rule-based Manager for Device Events and Files.

 2759 21:33:03.425486           Starting Network Service...

 2760 21:33:03.490035  [  OK  ] Finished Create Volatile Files and Directories.

 2761 21:33:03.502442           Starting Network Time Synchronization...

 2762 21:33:03.517049           Starting Update UTMP about System Boot/Shutdown...

 2763 21:33:03.750215  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 2764 21:33:03.840418  [  OK  ] Found device Sunrise Point-LP Serial IO UART Controller.

 2765 21:33:04.061609  [  OK  ] Created slice system-systemd\x2dbacklight.slice.

 2766 21:33:04.071855  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 2767 21:33:04.084196           Starting Load/Save Screen …f backlight:intel_backlight...

 2768 21:33:04.094268           Starting Load/Save Screen …eds:chromeos::kbd_backlight...

 2769 21:33:04.246227  [  OK  ] Finished Load/Save Screen … of backlight:intel_backlight.

 2770 21:33:04.260013  [  OK  ] Finished Load/Save Screen … leds:chromeos::kbd_backlight.

 2771 21:33:04.289031  [  OK  ] Started Network Time Synchronization.

 2772 21:33:04.299770  [  OK  ] Reached target System Initialization.

 2773 21:33:04.309649  [  OK  ] Started Daily Cleanup of Temporary Directories.

 2774 21:33:04.315996  [  OK  ] Reached target System Time Set.

 2775 21:33:04.328481  [  OK  ] Reached target System Time Synchronized.

 2776 21:33:04.345844  [  OK  ] Started Daily apt download activities.

 2777 21:33:04.360711  [  OK  ] Started Daily apt upgrade and clean activities.

 2778 21:33:04.401597  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 2779 21:33:04.417802  [  OK  ] Started Discard unused blocks once a week.

 2780 21:33:04.424559  [  OK  ] Reached target Timers.

 2781 21:33:04.439094  [  OK  ] Listening on D-Bus System Message Bus Socket.

 2782 21:33:04.444879  [  OK  ] Reached target Sockets.

 2783 21:33:04.454098  [  OK  ] Reached target Basic System.

 2784 21:33:04.467672  [  OK  ] Started D-Bus System Message Bus.

 2785 21:33:04.525100           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 2786 21:33:04.565859           Starting User Login Management...

 2787 21:33:04.575841  [  OK  ] Started Network Service.

 2788 21:33:04.604477           Starting Network Name Resolution...

 2789 21:33:04.889759  [  OK  ] Started User Login Management.

 2790 21:33:04.904189  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 2791 21:33:05.368878  [  OK  ] Started Network Name Resolution.

 2792 21:33:05.380295  [  OK  ] Reached target Network.

 2793 21:33:05.392969  [  OK  ] Reached target Host and Network Name Lookups.

 2794 21:33:05.405403           Starting Permit User Sessions...

 2795 21:33:05.448176  [  OK  ] Finished Permit User Sessions.

 2796 21:33:05.462234  [  OK  ] Started Getty on tty1.

 2797 21:33:05.477293  [  OK  ] Started Serial Getty on ttyS0.

 2798 21:33:05.487895  [  OK  ] Reached target Login Prompts.

 2799 21:33:05.501132  [  OK  ] Reached target Multi-User System.

 2800 21:33:05.511332  [  OK  ] Reached target Graphical Interface.

 2801 21:33:05.526833           Starting Update UTMP about System Runlevel Changes...

 2802 21:33:05.591917  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 2803 21:33:05.619842  

 2804 21:33:05.619955  

 2805 21:33:05.623554  Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0

 2806 21:33:05.623630  

 2807 21:33:05.630155  debian-bullseye-amd64 login: root (automatic login)

 2808 21:33:05.630239  

 2809 21:33:05.630305  

 2810 21:33:05.913873  Linux debian-bullseye-amd64 5.10.212-cip44 #1 SMP Wed Mar 6 21:22:23 UTC 2024 x86_64

 2811 21:33:05.914021  

 2812 21:33:05.920071  The programs included with the Debian GNU/Linux system are free software;

 2813 21:33:05.926641  the exact distribution terms for each program are described in the

 2814 21:33:05.933430  individual files in /usr/share/doc/*/copyright.

 2815 21:33:05.933570  

 2816 21:33:05.939449  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 2817 21:33:05.942832  permitted by applicable law.

 2818 21:33:06.414893  Matched prompt #10: / #
 2820 21:33:06.415360  Kernel warnings or errors detected.
 2821 21:33:06.415459  Setting prompt string to ['/ #']
 2822 21:33:06.415582  end: 2.2.5.1 login-action (duration 00:00:17) [common]
 2824 21:33:06.415923  end: 2.2.5 auto-login-action (duration 00:00:19) [common]
 2825 21:33:06.416018  start: 2.2.6 expect-shell-connection (timeout 00:04:08) [common]
 2826 21:33:06.416093  Setting prompt string to ['/ #']
 2827 21:33:06.416156  Forcing a shell prompt, looking for ['/ #']
 2829 21:33:06.466360  / # 

 2830 21:33:06.466645  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 2831 21:33:06.466806  Waiting using forced prompt support (timeout 00:02:30)
 2832 21:33:06.472878  

 2833 21:33:06.473236  end: 2.2.6 expect-shell-connection (duration 00:00:00) [common]
 2834 21:33:06.473404  start: 2.2.7 export-device-env (timeout 00:04:08) [common]
 2836 21:33:06.573863  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12965416/extract-nfsrootfs-6zo1sbrf'

 2837 21:33:06.579865  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12965416/extract-nfsrootfs-6zo1sbrf'

 2839 21:33:06.680450  / # export NFS_SERVER_IP='192.168.201.1'

 2840 21:33:06.685330  export NFS_SERVER_IP='192.168.201.1'

 2841 21:33:06.685615  end: 2.2.7 export-device-env (duration 00:00:00) [common]
 2842 21:33:06.685762  end: 2.2 depthcharge-retry (duration 00:00:52) [common]
 2843 21:33:06.685857  end: 2 depthcharge-action (duration 00:00:52) [common]
 2844 21:33:06.685957  start: 3 lava-test-retry (timeout 00:08:38) [common]
 2845 21:33:06.686049  start: 3.1 lava-test-shell (timeout 00:08:38) [common]
 2846 21:33:06.686137  Using namespace: common
 2848 21:33:06.786484  / # #

 2849 21:33:06.786627  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 2850 21:33:06.792415  #

 2851 21:33:06.792679  Using /lava-12965416
 2853 21:33:06.893026  / # export SHELL=/bin/bash

 2854 21:33:06.898256  export SHELL=/bin/bash

 2856 21:33:06.998791  / # . /lava-12965416/environment

 2857 21:33:07.004171  . /lava-12965416/environment

 2859 21:33:07.110684  / # /lava-12965416/bin/lava-test-runner /lava-12965416/0

 2860 21:33:07.110813  Test shell timeout: 10s (minimum of the action and connection timeout)
 2861 21:33:07.115891  /lava-12965416/bin/lava-test-runner /lava-12965416/0

 2862 21:33:07.385793  + export TESTRUN_ID=0_timesync-off

 2863 21:33:07.385939  + TESTRUN_ID=0_timesync-off

 2864 21:33:07.392508  + cd /lava-12965416/0/tests/0_timesync-off

 2865 21:33:07.392607  ++ cat uuid

 2866 21:33:07.396208  + UUID=12965416_1.5.2.3.1

 2867 21:33:07.396289  + set +x

 2868 21:33:07.402145  <LAVA_SIGNAL_STARTRUN 0_timesync-off 12965416_1.5.2.3.1>

 2869 21:33:07.402431  Received signal: <STARTRUN> 0_timesync-off 12965416_1.5.2.3.1
 2870 21:33:07.402531  Starting test lava.0_timesync-off (12965416_1.5.2.3.1)
 2871 21:33:07.402665  Skipping test definition patterns.
 2872 21:33:07.405323  + systemctl stop systemd-timesyncd

 2873 21:33:07.438372  + set +x

 2874 21:33:07.441495  <LAVA_SIGNAL_ENDRUN 0_timesync-off 12965416_1.5.2.3.1>

 2875 21:33:07.441757  Received signal: <ENDRUN> 0_timesync-off 12965416_1.5.2.3.1
 2876 21:33:07.441851  Ending use of test pattern.
 2877 21:33:07.441942  Ending test lava.0_timesync-off (12965416_1.5.2.3.1), duration 0.04
 2879 21:33:07.494277  + export TESTRUN_ID=1_kselftest-lkdtm

 2880 21:33:07.497192  + TESTRUN_ID=1_kselftest-lkdtm

 2881 21:33:07.500552  + cd /lava-12965416/0/tests/1_kselftest-lkdtm

 2882 21:33:07.500646  ++ cat uuid

 2883 21:33:07.504965  + UUID=12965416_1.5.2.3.5

 2884 21:33:07.505051  + set +x

 2885 21:33:07.510488  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 12965416_1.5.2.3.5>

 2886 21:33:07.510747  Received signal: <STARTRUN> 1_kselftest-lkdtm 12965416_1.5.2.3.5
 2887 21:33:07.510818  Starting test lava.1_kselftest-lkdtm (12965416_1.5.2.3.5)
 2888 21:33:07.510899  Skipping test definition patterns.
 2889 21:33:07.513533  + cd ./automated/linux/kselftest/

 2890 21:33:07.549745  + ./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/v5.10.209-cip44-594-gb47da48f3bae7/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

 2891 21:33:07.556874  INFO: install_deps skipped

 2892 21:33:07.660884  --2024-03-06 21:33:07--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-594-gb47da48f3bae7/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz

 2893 21:33:07.670572  Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82

 2894 21:33:07.801346  Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected.

 2895 21:33:07.933963  HTTP request sent, awaiting response... 200 OK

 2896 21:33:07.936921  Length: 3370752 (3.2M) [application/octet-stream]

 2897 21:33:07.940946  Saving to: 'kselftest.tar.xz'

 2898 21:33:07.941029  

 2899 21:33:07.941093  

 2900 21:33:08.198845  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               

 2901 21:33:08.463965  kselftest.tar.xz      1%[                    ]  47.81K   177KB/s               

 2902 21:33:08.728187  kselftest.tar.xz      6%[>                   ] 219.84K   407KB/s               

 2903 21:33:09.055527  kselftest.tar.xz     27%[====>               ] 898.59K  1.08MB/s               

 2904 21:33:09.142897  kselftest.tar.xz     41%[=======>            ]   1.34M  1.17MB/s               

 2905 21:33:09.149136  kselftest.tar.xz    100%[===================>]   3.21M  2.61MB/s    in 1.2s    

 2906 21:33:09.149260  

 2907 21:33:09.441514  2024-03-06 21:33:09 (2.61 MB/s) - 'kselftest.tar.xz' saved [3370752/3370752]

 2908 21:33:09.441721  

 2909 21:33:17.314484  skiplist:

 2910 21:33:17.317744  ========================================

 2911 21:33:17.320907  ========================================

 2912 21:33:17.361491  lkdtm:PANIC.sh

 2913 21:33:17.361609  lkdtm:BUG.sh

 2914 21:33:17.364825  lkdtm:WARNING.sh

 2915 21:33:17.368606  lkdtm:WARNING_MESSAGE.sh

 2916 21:33:17.368685  lkdtm:EXCEPTION.sh

 2917 21:33:17.371836  lkdtm:LOOP.sh

 2918 21:33:17.371936  lkdtm:EXHAUST_STACK.sh

 2919 21:33:17.374986  lkdtm:CORRUPT_STACK.sh

 2920 21:33:17.378100  lkdtm:CORRUPT_STACK_STRONG.sh

 2921 21:33:17.381872  lkdtm:CORRUPT_LIST_ADD.sh

 2922 21:33:17.384758  lkdtm:CORRUPT_LIST_DEL.sh

 2923 21:33:17.388282  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2924 21:33:17.391246  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2925 21:33:17.391353  lkdtm:UNSET_SMEP.sh

 2926 21:33:17.394511  lkdtm:DOUBLE_FAULT.sh

 2927 21:33:17.398273  lkdtm:CORRUPT_PAC.sh

 2928 21:33:17.400965  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2929 21:33:17.405081  lkdtm:OVERWRITE_ALLOCATION.sh

 2930 21:33:17.405191  lkdtm:WRITE_AFTER_FREE.sh

 2931 21:33:17.408031  lkdtm:READ_AFTER_FREE.sh

 2932 21:33:17.411088  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2933 21:33:17.414340  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2934 21:33:17.418078  lkdtm:SLAB_FREE_DOUBLE.sh

 2935 21:33:17.421107  lkdtm:SLAB_FREE_CROSS.sh

 2936 21:33:17.421208  lkdtm:SLAB_FREE_PAGE.sh

 2937 21:33:17.424782  lkdtm:SOFTLOCKUP.sh

 2938 21:33:17.428057  lkdtm:HARDLOCKUP.sh

 2939 21:33:17.428161  lkdtm:SPINLOCKUP.sh

 2940 21:33:17.431137  lkdtm:HUNG_TASK.sh

 2941 21:33:17.431239  lkdtm:EXEC_DATA.sh

 2942 21:33:17.434358  lkdtm:EXEC_STACK.sh

 2943 21:33:17.437442  lkdtm:EXEC_KMALLOC.sh

 2944 21:33:17.437546  lkdtm:EXEC_VMALLOC.sh

 2945 21:33:17.440863  lkdtm:EXEC_RODATA.sh

 2946 21:33:17.444108  lkdtm:EXEC_USERSPACE.sh

 2947 21:33:17.444214  lkdtm:EXEC_NULL.sh

 2948 21:33:17.447743  lkdtm:ACCESS_USERSPACE.sh

 2949 21:33:17.450474  lkdtm:ACCESS_NULL.sh

 2950 21:33:17.450576  lkdtm:WRITE_RO.sh

 2951 21:33:17.453792  lkdtm:WRITE_RO_AFTER_INIT.sh

 2952 21:33:17.457386  lkdtm:WRITE_KERN.sh

 2953 21:33:17.460631  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 2954 21:33:17.464010  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 2955 21:33:17.467186  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 2956 21:33:17.470618  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 2957 21:33:17.474006  lkdtm:REFCOUNT_DEC_ZERO.sh

 2958 21:33:17.476731  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 2959 21:33:17.480861  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 2960 21:33:17.483497  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 2961 21:33:17.487099  lkdtm:REFCOUNT_INC_ZERO.sh

 2962 21:33:17.490182  lkdtm:REFCOUNT_ADD_ZERO.sh

 2963 21:33:17.493529  lkdtm:REFCOUNT_INC_SATURATED.sh

 2964 21:33:17.497232  lkdtm:REFCOUNT_DEC_SATURATED.sh

 2965 21:33:17.499898  lkdtm:REFCOUNT_ADD_SATURATED.sh

 2966 21:33:17.503434  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 2967 21:33:17.507208  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 2968 21:33:17.513418  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 2969 21:33:17.516739  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 2970 21:33:17.520092  lkdtm:REFCOUNT_TIMING.sh

 2971 21:33:17.520203  lkdtm:ATOMIC_TIMING.sh

 2972 21:33:17.523002  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 2973 21:33:17.526255  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 2974 21:33:17.530351  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 2975 21:33:17.536737  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 2976 21:33:17.539584  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 2977 21:33:17.543078  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 2978 21:33:17.546789  lkdtm:USERCOPY_STACK_BEYOND.sh

 2979 21:33:17.546873  lkdtm:USERCOPY_KERNEL.sh

 2980 21:33:17.549697  lkdtm:STACKLEAK_ERASING.sh

 2981 21:33:17.553090  lkdtm:CFI_FORWARD_PROTO.sh

 2982 21:33:17.556593  ============== Tests to run ===============

 2983 21:33:17.559406  lkdtm:PANIC.sh

 2984 21:33:17.559508  lkdtm:BUG.sh

 2985 21:33:17.562698  lkdtm:WARNING.sh

 2986 21:33:17.562806  lkdtm:WARNING_MESSAGE.sh

 2987 21:33:17.566413  lkdtm:EXCEPTION.sh

 2988 21:33:17.569512  lkdtm:LOOP.sh

 2989 21:33:17.569612  lkdtm:EXHAUST_STACK.sh

 2990 21:33:17.572648  lkdtm:CORRUPT_STACK.sh

 2991 21:33:17.575959  lkdtm:CORRUPT_STACK_STRONG.sh

 2992 21:33:17.579681  lkdtm:CORRUPT_LIST_ADD.sh

 2993 21:33:17.579752  lkdtm:CORRUPT_LIST_DEL.sh

 2994 21:33:17.582223  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2995 21:33:17.589228  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2996 21:33:17.589326  lkdtm:UNSET_SMEP.sh

 2997 21:33:17.592686  lkdtm:DOUBLE_FAULT.sh

 2998 21:33:17.592784  lkdtm:CORRUPT_PAC.sh

 2999 21:33:17.599460  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 3000 21:33:17.602450  lkdtm:OVERWRITE_ALLOCATION.sh

 3001 21:33:17.602535  lkdtm:WRITE_AFTER_FREE.sh

 3002 21:33:17.605438  lkdtm:READ_AFTER_FREE.sh

 3003 21:33:17.608808  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 3004 21:33:17.612170  lkdtm:READ_BUDDY_AFTER_FREE.sh

 3005 21:33:17.616216  lkdtm:SLAB_FREE_DOUBLE.sh

 3006 21:33:17.618418  lkdtm:SLAB_FREE_CROSS.sh

 3007 21:33:17.618500  lkdtm:SLAB_FREE_PAGE.sh

 3008 21:33:17.621826  lkdtm:SOFTLOCKUP.sh

 3009 21:33:17.625072  lkdtm:HARDLOCKUP.sh

 3010 21:33:17.625156  lkdtm:SPINLOCKUP.sh

 3011 21:33:17.628150  lkdtm:HUNG_TASK.sh

 3012 21:33:17.628235  lkdtm:EXEC_DATA.sh

 3013 21:33:17.632189  lkdtm:EXEC_STACK.sh

 3014 21:33:17.635477  lkdtm:EXEC_KMALLOC.sh

 3015 21:33:17.635610  lkdtm:EXEC_VMALLOC.sh

 3016 21:33:17.638404  lkdtm:EXEC_RODATA.sh

 3017 21:33:17.641485  lkdtm:EXEC_USERSPACE.sh

 3018 21:33:17.641611  lkdtm:EXEC_NULL.sh

 3019 21:33:17.644634  lkdtm:ACCESS_USERSPACE.sh

 3020 21:33:17.648656  lkdtm:ACCESS_NULL.sh

 3021 21:33:17.648778  lkdtm:WRITE_RO.sh

 3022 21:33:17.651568  lkdtm:WRITE_RO_AFTER_INIT.sh

 3023 21:33:17.655142  lkdtm:WRITE_KERN.sh

 3024 21:33:17.657743  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 3025 21:33:17.661498  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 3026 21:33:17.665432  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3027 21:33:17.667778  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3028 21:33:17.671506  lkdtm:REFCOUNT_DEC_ZERO.sh

 3029 21:33:17.674121  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 3030 21:33:17.677648  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3031 21:33:17.680905  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 3032 21:33:17.684313  lkdtm:REFCOUNT_INC_ZERO.sh

 3033 21:33:17.687555  lkdtm:REFCOUNT_ADD_ZERO.sh

 3034 21:33:17.690965  lkdtm:REFCOUNT_INC_SATURATED.sh

 3035 21:33:17.694298  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3036 21:33:17.697401  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3037 21:33:17.701252  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3038 21:33:17.703803  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3039 21:33:17.710809  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3040 21:33:17.713770  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3041 21:33:17.717120  lkdtm:REFCOUNT_TIMING.sh

 3042 21:33:17.717248  lkdtm:ATOMIC_TIMING.sh

 3043 21:33:17.720392  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3044 21:33:17.724309  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3045 21:33:17.727009  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3046 21:33:17.734051  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3047 21:33:17.736988  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3048 21:33:17.740555  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3049 21:33:17.743315  lkdtm:USERCOPY_STACK_BEYOND.sh

 3050 21:33:17.743429  lkdtm:USERCOPY_KERNEL.sh

 3051 21:33:17.746540  lkdtm:STACKLEAK_ERASING.sh

 3052 21:33:17.750093  lkdtm:CFI_FORWARD_PROTO.sh

 3053 21:33:17.753565  ===========End Tests to run ===============

 3054 21:33:17.757078  shardfile-lkdtm pass

 3055 21:33:17.763464  <12>[   29.755099] kselftest: Running tests in lkdtm

 3056 21:33:17.769259  TAP version 13

 3057 21:33:17.777181  1..70

 3058 21:33:17.782169  # selftests: lkdtm: PANIC.sh

 3059 21:33:18.150335  # Skipping PANIC: crashes entire system

 3060 21:33:18.153642  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 3061 21:33:18.156738  # selftests: lkdtm: BUG.sh

 3062 21:33:18.237418  <6>[   30.230240] lkdtm: Performing direct entry BUG

 3063 21:33:18.243459  <4>[   30.235576] ------------[ cut here ]------------

 3064 21:33:18.250257  <2>[   30.241042] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3065 21:33:18.253589  <4>[   30.247187] invalid opcode: 0000 [#1] SMP PTI

 3066 21:33:18.263758  <4>[   30.252350] CPU: 3 PID: 639 Comm: cat Tainted: G        W         5.10.212-cip44 #1

 3067 21:33:18.270253  <4>[   30.261199] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3068 21:33:18.273789  <4>[   30.268288] RIP: 0010:lkdtm_BUG+0x5/0x10

 3069 21:33:18.296751  <4>[   30.272960] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 3070 21:33:18.303409  <4>[   30.294232] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 3071 21:33:18.309842  <4>[   30.300357] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3072 21:33:18.319520  <4>[   30.308607] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 3073 21:33:18.325855  <4>[   30.316868] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 3074 21:33:18.336296  <4>[   30.325118] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3075 21:33:18.343211  <4>[   30.333377] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 3076 21:33:18.352466  <4>[   30.341640] FS:  00007f23805c7580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 3077 21:33:18.358968  <4>[   30.350970] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3078 21:33:18.368983  <4>[   30.357676] CR2: 00007f23803d1000 CR3: 0000000103f6e003 CR4: 00000000003706e0

 3079 21:33:18.372242  <4>[   30.365936] Call Trace:

 3080 21:33:18.375566  <4>[   30.368956]  ? __die_body.cold+0x1a/0x1f

 3081 21:33:18.378979  <4>[   30.373623]  ? die+0x2b/0x50

 3082 21:33:18.382057  <4>[   30.377126]  ? do_trap+0x91/0x110

 3083 21:33:18.388420  <4>[   30.381114]  ? lkdtm_BUG+0x5/0x10

 3084 21:33:18.392468  <4>[   30.385094]  ? do_error_trap+0x90/0x110

 3085 21:33:18.395309  <4>[   30.389657]  ? lkdtm_BUG+0x5/0x10

 3086 21:33:18.398377  <4>[   30.393645]  ? lkdtm_BUG+0x5/0x10

 3087 21:33:18.404776  <4>[   30.397627]  ? exc_invalid_op+0x4e/0x70

 3088 21:33:18.408815  <4>[   30.402197]  ? lkdtm_BUG+0x5/0x10

 3089 21:33:18.412177  <4>[   30.406186]  ? asm_exc_invalid_op+0x12/0x20

 3090 21:33:18.418129  <4>[   30.411147]  ? direct_entry+0xe0/0xe0

 3091 21:33:18.422092  <4>[   30.415525]  ? lkdtm_BUG+0x5/0x10

 3092 21:33:18.425084  <4>[   30.419515]  direct_entry.cold+0x2c/0x38

 3093 21:33:18.431259  <4>[   30.424189]  full_proxy_write+0x53/0x80

 3094 21:33:18.434591  <4>[   30.428768]  vfs_write+0xe7/0x3b0

 3095 21:33:18.438551  <4>[   30.432755]  ksys_write+0x68/0xf0

 3096 21:33:18.441472  <4>[   30.436735]  do_syscall_64+0x30/0x40

 3097 21:33:18.448275  <4>[   30.441013]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3098 21:33:18.454585  <4>[   30.446944] RIP: 0033:0x7f23804dd473

 3099 21:33:18.474269  <4>[   30.451223] 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

 3100 21:33:18.484629  <4>[   30.472494] RSP: 002b:00007fff247ecac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3101 21:33:18.490805  <4>[   30.481240] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f23804dd473

 3102 21:33:18.500978  <4>[   30.489499] RDX: 0000000000000004 RSI: 00007f23803d1000 RDI: 0000000000000001

 3103 21:33:18.507407  <4>[   30.497777] RBP: 00007f23803d1000 R08: 00007f23803d0010 R09: 0000000000000000

 3104 21:33:18.517078  <4>[   30.506030] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3105 21:33:18.524559  <4>[   30.514292] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3106 21:33:18.576205  <4>[   30.522556] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 3107 21:33:18.584007  <0>[   30.577224] gsmi: Log Shutdown Reason 0x03

 3108 21:33:18.590781  <4>[   30.582123] ---[ end trace c17c1eb82cc650c3 ]---

 3109 21:33:18.593906  <4>[   30.587592] RIP: 0010:lkdtm_BUG+0x5/0x10

 3110 21:33:18.616802  <4>[   30.592268] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 3111 21:33:18.620726  <4>[   30.613550] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 3112 21:33:18.630219  <4>[   30.619673] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3113 21:33:18.636979  <4>[   30.627938] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 3114 21:33:18.646688  <4>[   30.636232] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 3115 21:33:18.653346  <4>[   30.644524] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3116 21:33:18.663414  <4>[   30.652815] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 3117 21:33:18.672848  <4>[   30.661109] FS:  00007f23805c7580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 3118 21:33:18.679816  <4>[   30.670468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3119 21:33:18.686262  <4>[   30.677182] CR2: 00007f23803d1000 CR3: 0000000103f6e003 CR4: 00000000003706e0

 3120 21:33:18.689421  # Segmentation fault

 3121 21:33:18.707669  # [   30.230240] lkdtm: Performing direct entry BUG

 3122 21:33:18.714347  # [   30.235576] ------------[ cut here ]------------

 3123 21:33:18.717359  # [   30.241042] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3124 21:33:18.724502  # [   30.247187] invalid opcode: 0000 [#1] SMP PTI

 3125 21:33:18.734188  # [   30.252350] CPU: 3 PID: 639 Comm: cat Tainted: G        W         5.10.212-cip44 #1

 3126 21:33:18.740679  # [   30.261199] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3127 21:33:18.744213  # [   30.268288] RIP: 0010:lkdtm_BUG+0x5/0x10

 3128 21:33:18.766860  # [   30.272960] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 3129 21:33:18.770425  # [   30.294232] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 3130 21:33:18.777134  # [<6>[   30.765892] lkdtm: Performing direct entry WARNING

 3131 21:33:18.790403     30.300357] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0<4>[   30.775832] ------------[ cut here ]------------

 3132 21:33:18.790493  000000000000000

 3133 21:33:18.807299  # [   30.308607] RDX: 0000000000000000 RSI: fff<4>[   30.787489] WARNING: CPU: 0 PID: 677 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3134 21:33:18.809924  f9e25fad9bf50 RDI: ffffffffa29942b0

 3135 21:33:18.862757  # [   30.316868] RBP: fffff<4>[   30.803425] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 3136 21:33:18.869697  fffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 3137 21:33:18.879330  # [   3<4>[   30.862385] CPU: 0 PID: 677 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3138 21:33:18.892373  0.325118] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000<4>[   30.877437] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3139 21:33:18.892472  00000000004

 3140 21:33:18.902587  # [   30.333377] R13: ffffb1e2013eff10 R14: ffffb1e<4>[   30.890765] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3141 21:33:18.905556  2013eff10 R15: ffff9e2583921000

 3142 21:33:18.932806  # [   30.341640] FS:  00007f238<4>[   30.902176] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 77

 3143 21:33:18.938803  05c7580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 3144 21:33:18.945197  <4>[   30.929636] RSP: 0018:ffffb1e201467e60 EFLAGS: 00010202

 3145 21:33:18.958479  # [   30.350970] CS:  0010 DS: 0000 ES: 0000 CR0: 00000000800500<4>[   30.942026] RAX: ffffffffa157e600 RBX: 0000000000000002 RCX: 0000000000000000

 3146 21:33:18.958565  33

 3147 21:33:18.971563  # [   30.357676] CR2: 00007f23803d1000 CR3: 0000000103f6e003<4>[   30.956471] RDX: 0000000000000000 RSI: ffff9e25fac1bf50 RDI: ffffffffa29942c0

 3148 21:33:18.975205   CR4: 00000000003706e0

 3149 21:33:18.978460  # [   30.365936] Call Trace:

 3150 21:33:18.988300  # [   30.3<4>[   30.970972] RBP: ffffffffa2e1a6ef R08: 0000000000000000 R09: 0000000000000000

 3151 21:33:18.991853  68956]  ? __die_body.cold+0x1a/0x1f

 3152 21:33:19.001223  # [   30.373623]  ? die+0x2<4>[   30.985422] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3153 21:33:19.001325  b/0x50

 3154 21:33:19.004952  # [   30.377126]  ? do_trap+0x91/0x110

 3155 21:33:19.014924  # [   30.381114]<4>[   30.999912] R13: ffffb1e201467f10 R14: ffffb1e201467f10 R15: ffff9e25831f2000

 3156 21:33:19.018463    ? lkdtm_BUG+0x5/0x10

 3157 21:33:19.031162  # [   30.385094]  ? do_error_trap+0x90/0<4>[   31.014372] FS:  00007f3433472580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 3158 21:33:19.031284  x110

 3159 21:33:19.037953  # [   30.389657]  ? lkdtm_BUG+0x5/0x10

 3160 21:33:19.044619  # [   30.393645]  <4>[   31.029944] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3161 21:33:19.047619  ? lkdtm_BUG+0x5/0x10

 3162 21:33:19.057444  # [   30.397627]  ? exc_invalid_op+0x4e/0x<4>[   31.042850] CR2: 00007f343327c000 CR3: 00000001043ec002 CR4: 00000000003706f0

 3163 21:33:19.061158  70

 3164 21:33:19.064257  # [   30.402197]  ? lkdtm_BUG+0x5/0x10

 3165 21:33:19.067991  # [   30.406186]  ? <4>[   31.057353] Call Trace:

 3166 21:33:19.071013  asm_exc_invalid_op+0x12/0x20

 3167 21:33:19.077329  # [   30.411147]  ? direct_entry+0<4>[   31.066573]  ? __warn+0x80/0x110

 3168 21:33:19.080826  xe0/0xe0

 3169 21:33:19.084071  # [   30.415525]  ? lkdtm_BUG+0x5/0x10

 3170 21:33:19.090990  # [   30.41951<4>[   31.076702]  ? lkdtm_WARNING+0x13/0x20

 3171 21:33:19.093732  5]  direct_entry.cold+0x2c/0x38

 3172 21:33:19.100704  # [   30.424189]  full_proxy_wr<4>[   31.087375]  ? report_bug+0x9e/0xc0

 3173 21:33:19.100847  ite+0x53/0x80

 3174 21:33:19.103901  # [   30.428768]  vfs_write+0xe7/0x3b0

 3175 21:33:19.111247  # [   30.<4>[   31.097793]  ? handle_bug+0x41/0x90

 3176 21:33:19.113630  432755]  ksys_write+0x68/0xf0

 3177 21:33:19.120700  # [   30.436735]  do_syscall_64+0<4>[   31.108180]  ? exc_invalid_op+0x14/0x70

 3178 21:33:19.120796  x30/0x40

 3179 21:33:19.133457  # [   30.441013]  entry_SYSCALL_64_after_hwframe+0x62/<4>[   31.118997]  ? asm_exc_invalid_op+0x12/0x20

 3180 21:33:19.133554  0xc7

 3181 21:33:19.136753  # [   30.446944] RIP: 0033:0x7f23804dd473

 3182 21:33:19.143672  # [   30.451223<4>[   31.130149]  ? lkdtm_BUG+0x10/0x10

 3183 21:33:19.153280  ] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb<4>[   31.140464]  ? lkdtm_WARNING+0x13/0x20

 3184 21:33:19.163280   b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 <4>[   31.151145]  direct_entry.cold+0x2c/0x38

 3185 21:33:19.173284  0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89<4>[   31.162024]  full_proxy_write+0x53/0x80

 3186 21:33:19.176735   54 24 18

 3187 21:33:19.186422  # [   30.472494] RSP: 002b:00007fff247ecac8 EFLAGS: 0<4>[   31.172801]  vfs_write+0xe7/0x3b0

 3188 21:33:19.190186  0000246 ORIG_RAX: 0000000000000001

 3189 21:33:19.196719  # [   30.481240] RAX: ffffff<4>[   31.183029]  ksys_write+0x68/0xf0

 3190 21:33:19.199674  ffffffffda RBX: 0000000000000004 RCX: 00007f23804dd473

 3191 21:33:19.206069  # [   30<4>[   31.193240]  do_syscall_64+0x30/0x40

 3192 21:33:19.216643  .489499] RDX: 0000000000000004 RSI: 00007f23803d1000 RDI: 000000<4>[   31.203711]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3193 21:33:19.219579  0000000001

 3194 21:33:19.229706  # [   30.497777] RBP: 00007f23803d1000 R08: 00007f23<4>[   31.215901] RIP: 0033:0x7f3433388473

 3195 21:33:19.233040  803d0010 R09: 0000000000000000

 3196 21:33:19.256170  # [   30.506030] R10: ffffffffff<4>[   31.226381] 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

 3197 21:33:19.259550  fffbc5 R11: 0000000000000246 R12: 0000000000000001

 3198 21:33:19.269446  # [   30.514<4>[   31.253915] RSP: 002b:00007ffd969b4b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3199 21:33:19.285917  292] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000<4>[   31.268897] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f3433388473

 3200 21:33:19.286112  020000

 3201 21:33:19.299451  # [   30.522556] Modules linked in: fuse ip_tables cros_<4>[   31.283378] RDX: 0000000000000008 RSI: 00007f343327c000 RDI: 0000000000000001

 3202 21:33:19.316101  ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_t<4>[   31.297840] RBP: 00007f343327c000 R08: 00007f343327b010 R09: 0000000000000000

 3203 21:33:19.328865  riggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmallo<4>[   31.312358] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3204 21:33:19.341746  c videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_de<4>[   31.326825] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3205 21:33:19.351480  bugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_<4>[   31.341349] irq event stamp: 0

 3206 21:33:19.365124  charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal sn<4>[   31.351245] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3207 21:33:19.381423  d_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_<4>[   31.364752] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3208 21:33:19.397881  dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cr<4>[   31.380434] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3209 21:33:19.400816  os_kbd_led_backlight chromeos_pstore

 3210 21:33:19.411513  # [   30.577224] gsmi: Log<4>[   31.396079] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3211 21:33:19.414143   Shutdown Reason 0x03

 3212 21:33:19.424176  # [   30.582123] ---[ end trace c17c1eb82<4>[   31.409613] ---[ end trace c17c1eb82cc650c4 ]---

 3213 21:33:19.424335  cc650c3 ]---

 3214 21:33:19.428295  # [   30.587592] RIP: 0010:lkdtm_BUG+0x5/0x10

 3215 21:33:19.450860  # [   30.592268] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 3216 21:33:19.457279  # [   30.613550] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 3217 21:33:19.463672  # [   30.619673] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3218 21:33:19.474068  # [   30.627938] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 3219 21:33:19.480024  # [   30.636232] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 3220 21:33:19.490096  # [   30.644524] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3221 21:33:19.496995  # [   30.652815] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 3222 21:33:19.503769  # [   3<6>[   31.495238] lkdtm: Performing direct entry WARNING_MESSAGE

 3223 21:33:19.517648  0.661109] FS:  00007f23805c7580(0000) GS:ffff9e25fad80000(0000) <4>[   31.502244] ------------[ cut here ]------------

 3224 21:33:19.517795  knlGS:0000000000000000

 3225 21:33:19.526462  # [   30.670468] CS:  0010 DS: 0000 ES: <4>[   31.513902] Warning message trigger count: 2

 3226 21:33:19.529743  0000 CR0: 0000000080050033

 3227 21:33:19.542721  # [   30.677182] CR2: 00007f23803d10<4>[   31.525194] WARNING: CPU: 2 PID: 713 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3228 21:33:19.549709  00 CR3: 0000000103f6e003 CR4: 00000000003706e0

 3229 21:33:19.602376  # BUG: saw 'kern<4>[   31.541890] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 3230 21:33:19.612002  <4>[   31.600902] CPU: 2 PID: 713 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3231 21:33:19.612148  el BUG at': ok

 3232 21:33:19.615586  ok 2 selftests: lkdtm: BUG.sh

 3233 21:33:19.625515  # selftests: lkdt<4>[   31.609763] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3234 21:33:19.631998  <4>[   31.623065] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3235 21:33:19.651967  <4>[   31.629020] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 77 2a 03 48 c7 c7 50 ac e1 a2 8d 70 01 89 35 d1 77 2a 03 e8 72 00 68 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3236 21:33:19.658823  <4>[   31.650293] RSP: 0018:ffffb1e2014f7e60 EFLAGS: 00010286

 3237 21:33:19.664969  <4>[   31.656421] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3238 21:33:19.675293  <4>[   31.664684] RDX: ffff9e25fad2c620 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50

 3239 21:33:19.682011  <4>[   31.672948] RBP: ffffffffa2e1a6f7 R08: 0000000000000000 R09: 0000000000000000

 3240 21:33:19.691435  <4>[   31.681212] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3241 21:33:19.698246  <4>[   31.689477] R13: ffffb1e2014f7f10 R14: ffffb1e2014f7f10 R15: ffff9e2583932000

 3242 21:33:19.708671  <4>[   31.697740] FS:  00007fd47131e580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 3243 21:33:19.714951  <4>[   31.707073] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3244 21:33:19.724442  <4>[   31.713781] CR2: 00007fd471128000 CR3: 0000000103f54005 CR4: 00000000003706e0

 3245 21:33:19.728064  <4>[   31.722044] Call Trace:

 3246 21:33:19.731197  <4>[   31.725070]  ? __warn+0x80/0x110

 3247 21:33:19.731304  m: WARNING.sh

 3248 21:33:19.741066  # [   30.765892] lkdtm: Performing direct entry W<4>[   31.728993]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3249 21:33:19.747884  <4>[   31.740463]  ? report_bug+0x9e/0xc0

 3250 21:33:19.751154  <4>[   31.744652]  ? handle_bug+0x41/0x90

 3251 21:33:19.754431  <4>[   31.748866]  ? exc_invalid_op+0x14/0x70

 3252 21:33:19.760815  <4>[   31.753443]  ? asm_exc_invalid_op+0x12/0x20

 3253 21:33:19.764605  <4>[   31.758438]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3254 21:33:19.770602  <4>[   31.763727]  direct_entry.cold+0x2c/0x38

 3255 21:33:19.773817  <4>[   31.768432]  full_proxy_write+0x53/0x80

 3256 21:33:19.780893  <4>[   31.773040]  vfs_write+0xe7/0x3b0

 3257 21:33:19.783741  <4>[   31.777062]  ksys_write+0x68/0xf0

 3258 21:33:19.783850  ARNING

 3259 21:33:19.790218  # [   30.775832] ------------[ cut here ]------------

 3260 21:33:19.793349  #<4>[   31.781056]  do_syscall_64+0x30/0x40

 3261 21:33:19.807217   [   30.787489] WARNING: CPU: 0 PID: 677 at drivers/misc/lkdtm/b<4>[   31.791552]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3262 21:33:19.810198  ugs.c:83 lkdtm_WARNING+0x13/0x20

 3263 21:33:19.816638  # [   30.803425] Modules linke<4>[   31.803702] RIP: 0033:0x7fd471234473

 3264 21:33:19.836650  <4>[   31.814201] 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

 3265 21:33:19.846572  <4>[   31.835505] RSP: 002b:00007fff20581fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3266 21:33:19.852849  <4>[   31.844257] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd471234473

 3267 21:33:19.862652  <4>[   31.852521] RDX: 0000000000000010 RSI: 00007fd471128000 RDI: 0000000000000001

 3268 21:33:19.869623  <4>[   31.860788] RBP: 00007fd471128000 R08: 00007fd471127010 R09: 0000000000000000

 3269 21:33:19.879403  <4>[   31.869079] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3270 21:33:19.886315  <4>[   31.877345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3271 21:33:19.893111  <4>[   31.885631] irq event stamp: 0

 3272 21:33:19.905901  d in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_s<4>[   31.889342] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3273 21:33:19.915592  <4>[   31.902842] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3274 21:33:19.922464  <4>[   31.912273] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3275 21:33:19.932474  <4>[   31.921701] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3276 21:33:19.935565  <4>[   31.928993] ---[ end trace c17c1eb82cc650c5 ]---

 3277 21:33:19.978999  ensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 3278 21:33:19.988008  # [   30.862385] CPU: 0 PID: 677 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3279 21:33:19.995024  # [   30.877437] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3280 21:33:20.001891  # [   30.890765] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3281 21:33:20.018201  # [   30.902176] 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<6>[   32.008423] lkdtm: Performing direct entry EXCEPTION

 3282 21:33:20.025131  <1>[   32.014904] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3283 21:33:20.037950   83 05 00 78 2a 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc c<1>[   32.022996] #PF: supervisor write access in kernel mode

 3284 21:33:20.044371  <1>[   32.035330] #PF: error_code(0x0002) - not-present page

 3285 21:33:20.047494  <6>[   32.041356] PGD 0 P4D 0 

 3286 21:33:20.050817  <4>[   32.044470] Oops: 0002 [#2] SMP PTI

 3287 21:33:20.060706  <4>[   32.048653] CPU: 3 PID: 746 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3288 21:33:20.067500  <4>[   32.057486] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3289 21:33:20.070432  <4>[   32.064582] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3290 21:33:20.093724  <4>[   32.069833] Code: 48 c7 c7 50 ac e1 a2 8d 70 01 89 35 d1 77 2a 03 e8 72 00 68 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

 3291 21:33:20.100283  <4>[   32.091096] RSP: 0018:ffffb1e201577e60 EFLAGS: 00010286

 3292 21:33:20.106869  <4>[   32.097211] RAX: ffffffffa157e650 RBX: 0000000000000004 RCX: 0000000000000000

 3293 21:33:20.116653  <4>[   32.105470] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942e0

 3294 21:33:20.123732  <4>[   32.113728] RBP: ffffffffa2d0e0cf R08: 0000000000000000 R09: 0000000000000000

 3295 21:33:20.133874  <4>[   32.121988] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3296 21:33:20.140240  <4>[   32.130245] R13: ffffb1e201577f10 R14: ffffb1e201577f10 R15: ffff9e25839a9000

 3297 21:33:20.149972  <4>[   32.138505] FS:  00007f9ce6801580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 3298 21:33:20.156510  <4>[   32.147833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3299 21:33:20.163426  <4>[   32.154536] CR2: 0000000000000000 CR3: 0000000103914002 CR4: 00000000003706e0

 3300 21:33:20.166759  <4>[   32.162794] Call Trace:

 3301 21:33:20.172973  <4>[   32.165813]  ? __die_body.cold+0x1a/0x1f

 3302 21:33:20.176636  <4>[   32.170483]  ? no_context+0x177/0x380

 3303 21:33:20.182753  <4>[   32.174861]  ? exc_page_fault+0x53/0x170

 3304 21:33:20.186430  <4>[   32.179528]  ? asm_exc_page_fault+0x1e/0x30

 3305 21:33:20.193073  <4>[   32.184487]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3306 21:33:20.196334  <4>[   32.189737]  ? lkdtm_EXCEPTION+0x5/0x20

 3307 21:33:20.199803  <4>[   32.194310]  direct_entry.cold+0x2c/0x38

 3308 21:33:20.205799  <4>[   32.198979]  full_proxy_write+0x53/0x80

 3309 21:33:20.209003  <4>[   32.203551]  vfs_write+0xe7/0x3b0

 3310 21:33:20.212855  <4>[   32.207538]  ksys_write+0x68/0xf0

 3311 21:33:20.219190  <4>[   32.211526]  do_syscall_64+0x30/0x40

 3312 21:33:20.222593  <4>[   32.215805]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3313 21:33:20.229526  <4>[   32.221736] RIP: 0033:0x7f9ce6717473

 3314 21:33:20.249140  <4>[   32.226013] 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

 3315 21:33:20.258662  <4>[   32.247283] RSP: 002b:00007fff288a2108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3316 21:33:20.265401  <4>[   32.256045] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9ce6717473

 3317 21:33:20.275671  <4>[   32.264303] RDX: 000000000000000a RSI: 00007f9ce660b000 RDI: 0000000000000001

 3318 21:33:20.282413  <4>[   32.272560] RBP: 00007f9ce660b000 R08: 00007f9ce660a010 R09: 0000000000000000

 3319 21:33:20.291795  <4>[   32.280819] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3320 21:33:20.299179  <4>[   32.289079] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3321 21:33:20.305806  c 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 77

 3322 21:33:20.357864  # [   30.929636]<4>[   32.297341] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 3323 21:33:20.361314  <4>[   32.356323] CR2: 0000000000000000

 3324 21:33:20.368570  <4>[   32.360311] ---[ end trace c17c1eb82cc650c6 ]---

 3325 21:33:20.371011  <4>[   32.365754] RIP: 0010:lkdtm_BUG+0x5/0x10

 3326 21:33:20.394626  <4>[   32.370420] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 3327 21:33:20.400837  <4>[   32.391691] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 3328 21:33:20.407768  <4>[   32.397815] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3329 21:33:20.417243  <4>[   32.406074] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 3330 21:33:20.423933  <4>[   32.414331] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 3331 21:33:20.433519  <4>[   32.422590] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3332 21:33:20.440452  <4>[   32.430849] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 3333 21:33:20.450357  <4>[   32.439110] FS:  00007f9ce6801580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 3334 21:33:20.457244  <4>[   32.448435] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3335 21:33:20.466881  <4>[   32.455141] CR2: 0000000000000000 CR3: 0000000103914002 CR4: 00000000003706e0

 3336 21:33:20.476344  <3>[   32.463402] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3337 21:33:20.483613  <3>[   32.473604] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 746, name: cat

 3338 21:33:20.490024  <4>[   32.482251] INFO: lockdep is turned off.

 3339 21:33:20.493713  <4>[   32.486917] irq event stamp: 0

 3340 21:33:20.499602  <4>[   32.490613] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3341 21:33:20.509603  <4>[   32.497903] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3342 21:33:20.520092  <4>[   32.507319] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3343 21:33:20.526715  <4>[   32.516743] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3344 21:33:20.536262  <4>[   32.524033] CPU: 3 PID: 746 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3345 21:33:20.542534  <4>[   32.532880] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3346 21:33:20.545808  <4>[   32.539973] Call Trace:

 3347 21:33:20.549092  <4>[   32.542992]  dump_stack+0x77/0x9b

 3348 21:33:20.552472  <4>[   32.546981]  ___might_sleep.cold+0xa6/0xb6

 3349 21:33:20.559455  <4>[   32.551848]  exit_signals+0x1c/0x300

 3350 21:33:20.562666  <4>[   32.556127]  do_exit+0xc2/0xab0

 3351 21:33:20.566164  <4>[   32.559913]  ? ksys_write+0x68/0xf0

 3352 21:33:20.568964  <4>[   32.564097]  make_task_dead+0x2f/0x30

 3353 21:33:20.575963  <4>[   32.568473]  rewind_stack_and_make_dead+0x17/0x20

 3354 21:33:20.579038  <4>[   32.574013] RIP: 0033:0x7f9ce6717473

 3355 21:33:20.602170  <4>[   32.578291] 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

 3356 21:33:20.608846  <4>[   32.599562] RSP: 002b:00007fff288a2108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3357 21:33:20.618849  <4>[   32.608308] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9ce6717473

 3358 21:33:20.625458  <4>[   32.616581] RDX: 000000000000000a RSI: 00007f9ce660b000 RDI: 0000000000000001

 3359 21:33:20.635432  <4>[   32.624840] RBP: 00007f9ce660b000 R08: 00007f9ce660a010 R09: 0000000000000000

 3360 21:33:20.641584  <4>[   32.633099] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3361 21:33:20.651333  <4>[   32.641357] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3362 21:33:20.654799   RSP: 0018:ffffb1e201467e60 EFLAGS: 00010202

 3363 21:33:20.664913  # [   30.942026] RAX: ffffffffa157e600 RBX: 0000000000000002 RCX: 0000000000000000

 3364 21:33:20.671256  # [   30.956471] RDX: 0000000000000000 RSI: ffff9e25fac1bf50 RDI: ffffffffa29942c0

 3365 21:33:20.681003  # [   30.970972] RBP: ffffffffa2e1a6ef R08: 0000000000000000 R09: 0000000000000000

 3366 21:33:20.687746  # [   30.985422] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3367 21:33:20.697541  # [   30.999912] R13: ffffb1e201467f10 R14: ffffb1e201467f10 R15: ffff9e25831f2000

 3368 21:33:20.707656  # [   31.014372] FS:  00007f3433472580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 3369 21:33:20.713944  # [   31.029944] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3370 21:33:20.721408  # [   31.042850] CR2: 00007f343327c000 CR3: 00000001043ec002 CR4: 00000000003706f0

 3371 21:33:20.724072  # [   31.057353] Call Trace:

 3372 21:33:20.727201  # [   31.066573]  ? __warn+0x80/0x110

 3373 21:33:20.731442  # [   31.076702]  ? lkdtm_WARNING+0x13/0x20

 3374 21:33:20.737315  # [   31.087375]  ? report_bug+0x9e/0xc0

 3375 21:33:20.740790  # [   31.097793]  ? handle_bug+0x41/0x90

 3376 21:33:20.743987  # [   31.108180]  ? exc_invalid_op+0x14/0x70

 3377 21:33:20.750526  # [   31.118997]  ? asm_exc_invalid_op+0x12/0x20

 3378 21:33:20.753727  # [   31.130149]  ? lkdtm_BUG+0x10/0x10

 3379 21:33:20.757287  # [   31.140464]  ? lkdtm_WARNING+0x13/0x20

 3380 21:33:20.764168  # [   31.151145]  direct_entry.cold+0x2c/0x38

 3381 21:33:20.767428  # [   31.162024]  full_proxy_write+0x53/0x80

 3382 21:33:20.770529  # [   31.172801]  vfs_write+0xe7/0x3b0

 3383 21:33:20.774242  # [   31.183029]  ksys_write+0x68/0xf0

 3384 21:33:20.780657  # [   31.193240]  do_syscall_64+0x30/0x40

 3385 21:33:20.783548  # [   31.203711]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3386 21:33:20.790042  # [   31.215901] RIP: 0033:0x7f3433388473

 3387 21:33:20.810337  # [   31.226381] 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

 3388 21:33:20.820202  # [   31.253915] RSP: 002b:00007ffd969b4b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3389 21:33:20.826418  # [   31.268897] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f3433388473

 3390 21:33:20.836514  # [   31.283378] RDX: 0000000000000008 RSI: 00007f343327c000 RDI: 0000000000000001

 3391 21:33:20.843059  # [   31.297840] RBP: 00007f343327c000 R08: 00007f343327b010 R09: 0000000000000000

 3392 21:33:20.850442  # [   31.312358] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3393 21:33:20.859574  # [   31.326825] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3394 21:33:20.862713  # [   31.341349] irq event stamp: 0

 3395 21:33:20.869779  # [   31.351245] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3396 21:33:20.879286  # [   31.364752] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3397 21:33:20.889004  # [   31.380434] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3398 21:33:20.895813  # [   31.396079] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3399 21:33:20.902563  # [   31.409613] ---[ end trace c17c1eb82cc650c4 ]---

 3400 21:33:20.905374  # WARNING: saw 'WARNING:': ok

 3401 21:33:20.908960  ok 3 selftests: lkdtm: WARNING.sh

 3402 21:33:20.912127  # selftests: lkdtm: WARNING_MESSAGE.sh

 3403 21:33:20.918694  # [   31.495238] lkdtm: Performing direct entry WARNING_MESSAGE

 3404 21:33:20.922486  # [   31.502244] ------------[ cut here ]------------

 3405 21:33:20.929020  # [   31.513902] Warning message trigger count: 2

 3406 21:33:20.938721  # [   31.525194] WARNING: CPU: 2 PID: 713 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3407 21:33:20.961991  # [   31.541890] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vma<6>[   32.953657] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3408 21:33:20.968308  <6>[   32.960765] lkdtm: attempting good list addition

 3409 21:33:20.975108  <6>[   32.966220] lkdtm: attempting corrupted list addition

 3410 21:33:20.981420  <3>[   32.972162] lkdtm: list_add() corruption not detected!

 3411 21:33:21.014631  lloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 3412 21:33:21.024264  # [   31.600902] CPU: 2 PID: 713 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3413 21:33:21.031048  # [   31.609763] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3414 21:33:21.037860  # [   31.623065] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3415 21:33:21.057509  # [   31.629020] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 77 2a 03 48 c7 c7 50 ac e1 a2 8d 70 01 89 35 d1 77 2a 03 e8 72 00 68 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3416 21:33:21.067060  # [   31.650293] RSP: 0018:ffff<6>[   33.055598] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3417 21:33:21.071032  b1e2014f7e60 EFLAGS: 00010286

 3418 21:33:21.080804  # [   31.656421] RAX: 00000000000<6>[   33.065551] lkdtm: attempting good list removal

 3419 21:33:21.083917  00000 RBX: 0000000000000003 RCX: 0000000000000000

 3420 21:33:21.090353  # [   31.6646<6>[   33.077112] lkdtm: attempting corrupted list removal

 3421 21:33:21.097137  <3>[   33.089162] lkdtm: list_del() corruption not detected!

 3422 21:33:21.103693  84] RDX: ffff9e25fad2c620 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50

 3423 21:33:21.113299  # [   31.672948] RBP: ffffffffa2e1a6f7 R08: 0000000000000000 R09: 0000000000000000

 3424 21:33:21.120431  # [   31.681212] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3425 21:33:21.126590  # [   31.689477] R13: ffffb1e2014f7f10 R14: ffffb1e2014f7f10 R15: ffff9e2583932000

 3426 21:33:21.136473  # [   31.697740] FS:  00007fd47131e580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 3427 21:33:21.143978  # [   31.707073] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3428 21:33:21.153644  # [   31.713781] CR2: 00007fd471128000 CR3: 0000000103f54005 CR4: 00000000003706e0

 3429 21:33:21.156370  # [   31.722044] Call Trace:

 3430 21:33:21.159594  # [   31.725070]  ? __warn+0x80/0x110

 3431 21:33:21.163176  # [   31.728993]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3432 21:33:21.169847  # [   31.740463]  ? report_bug+0x9e/0xc0

 3433 21:33:21.173062  # [   31.744652]  ? handle_bug+0x41/0x90

 3434 21:33:21.176523  # [   31.748866]  ? exc_invalid_op+0x14/0x70

 3435 21:33:21.186019  # [   31.7<6>[   33.170820] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3436 21:33:21.192716  <6>[   33.183279] lkdtm: attempting bad read from page below current stack

 3437 21:33:21.202638  <0>[   33.190724] BUG: stack guard page was hit at 000000003a01e9ab (stack is 0000000065375049..00000000b2a055ae)

 3438 21:33:21.206171  53443]  ? asm_exc_invalid_op+0x12/0x20

 3439 21:33:21.215858  # [   31.758438]  ? lkdt<4>[   33.201908] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3440 21:33:21.226113  <4>[   33.215214] CPU: 2 PID: 978 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3441 21:33:21.230350  m_WARNING_MESSAGE+0x20/0x30

 3442 21:33:21.238994  # [   31.763727]  direct_entry.cold<4>[   33.224058] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3443 21:33:21.245884  <4>[   33.237369] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3444 21:33:21.268847  <4>[   33.244172] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 f0 af e1 a2 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 22 de fb ff 48 c7 c7 30 b0 e1 a2 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 08 de fb ff 0f 1f 44

 3445 21:33:21.272600  <4>[   33.265434] RSP: 0018:ffffb1e201907e50 EFLAGS: 00010246

 3446 21:33:21.281856  <4>[   33.271549] RAX: 0000000000000038 RBX: ffffb1e201904000 RCX: 0000000000000000

 3447 21:33:21.288715  <4>[   33.279809] RDX: 0000000000000000 RSI: ffff9e25fad1bf50 RDI: ffffffffa2e1b030

 3448 21:33:21.298518  <4>[   33.288070] RBP: ffffffffa2e1a75a R08: 0000000000000000 R09: 0000000000000000

 3449 21:33:21.306035  <4>[   33.296329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3450 21:33:21.314822  <4>[   33.304588] R13: ffffb1e201907f10 R14: ffffb1e201907f10 R15: ffff9e25839b6000

 3451 21:33:21.325166  <4>[   33.312846] FS:  00007fce01f5d580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 3452 21:33:21.331652  <4>[   33.322174] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3453 21:33:21.338461  <4>[   33.328879] CR2: ffffb1e201903fff CR3: 0000000103d04004 CR4: 00000000003706e0

 3454 21:33:21.341707  <4>[   33.337138] Call Trace:

 3455 21:33:21.344724  <4>[   33.340153]  <#DF>

 3456 21:33:21.348099  <4>[   33.342707]  ? __die_body.cold+0x1a/0x1f

 3457 21:33:21.351156  <4>[   33.347377]  ? die+0x2b/0x50

 3458 21:33:21.357706  <4>[   33.350880]  ? handle_stack_overflow+0x3e/0x4d

 3459 21:33:21.361023  <4>[   33.356131]  ? no_context+0x24d/0x380

 3460 21:33:21.364369  <4>[   33.360506]  </#DF>

 3461 21:33:21.367464  +0x2c/0x38

 3462 21:33:21.371093  # [   31.768432]  full_proxy_write+0x53/0x80

 3463 21:33:21.423726  # [   <4>[   33.363134] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 3464 21:33:21.430187  <4>[   33.422122] ---[ end trace c17c1eb82cc650c7 ]---

 3465 21:33:21.433710  <4>[   33.427567] RIP: 0010:lkdtm_BUG+0x5/0x10

 3466 21:33:21.456634  <4>[   33.432234] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 3467 21:33:21.460239  <4>[   33.453506] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 3468 21:33:21.470267  <4>[   33.459621] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3469 21:33:21.476398  <4>[   33.467879] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 3470 21:33:21.486450  <4>[   33.476140] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 3471 21:33:21.493551  <4>[   33.484389] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3472 21:33:21.503529  <4>[   33.492648] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 3473 21:33:21.512866  <4>[   33.500908] FS:  00007fce01f5d580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 3474 21:33:21.519578  <4>[   33.510234] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3475 21:33:21.525877  <4>[   33.516939] CR2: ffffb1e201903fff CR3: 0000000103d04004 CR4: 00000000003706e0

 3476 21:33:21.536280  <3>[   33.525197] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3477 21:33:21.545916  <3>[   33.535397] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat

 3478 21:33:21.550200  <4>[   33.544044] INFO: lockdep is turned off.

 3479 21:33:21.555490  <4>[   33.548711] irq event stamp: 0

 3480 21:33:21.562431  <4>[   33.552409] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3481 21:33:21.572439  <4>[   33.559698] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3482 21:33:21.579088  <4>[   33.569113] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3483 21:33:21.588618  <4>[   33.578538] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3484 21:33:21.595030  <4>[   33.585827] CPU: 2 PID: 978 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3485 21:33:21.605308  <4>[   33.594689] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3486 21:33:21.605430  <4>[   33.601783] Call Trace:

 3487 21:33:21.611659  <4>[   33.604802]  dump_stack+0x77/0x9b

 3488 21:33:21.615075  <4>[   33.608790]  ___might_sleep.cold+0xa6/0xb6

 3489 21:33:21.618195  <4>[   33.613646]  exit_signals+0x1c/0x300

 3490 21:33:21.624869  <4>[   33.617970]  do_exit+0xc2/0xab0

 3491 21:33:21.628097  <4>[   33.621755]  ? ksys_write+0x68/0xf0

 3492 21:33:21.631456  <4>[   33.625928]  make_task_dead+0x2f/0x30

 3493 21:33:21.638473  <4>[   33.630296]  rewind_stack_and_make_dead+0x17/0x20

 3494 21:33:21.641357  <4>[   33.635837] RIP: 0033:0x7fce01e73473

 3495 21:33:21.664348  <4>[   33.640115] 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

 3496 21:33:21.671048  <4>[   33.661384] RSP: 002b:00007ffec7ac91e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3497 21:33:21.681585  <4>[   33.670130] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fce01e73473

 3498 21:33:21.687616  <4>[   33.678388] RDX: 0000000000000019 RSI: 00007fce01d67000 RDI: 0000000000000001

 3499 21:33:21.698178  <4>[   33.686646] RBP: 00007fce01d67000 R08: 00007fce01d66010 R09: 0000000000000000

 3500 21:33:21.704066  <4>[   33.694904] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3501 21:33:21.713664  <4>[   33.703164] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3502 21:33:21.717469  31.773040]  vfs_write+0xe7/0x3b0

 3503 21:33:21.720356  # [   31.777062]  ksys_write+0x68/0xf0

 3504 21:33:21.723803  # [   31.781056]  do_syscall_64+0x30/0x40

 3505 21:33:21.730061  # [   31.791552]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3506 21:33:21.733533  # [   31.803702] RIP: 0033:0x7fd471234473

 3507 21:33:21.756721  # [   31.814201] 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

 3508 21:33:21.763036  # [   31.835505] RSP: 002b:00007fff20581fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3509 21:33:21.773655  # [   31.844257] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd471234473

 3510 21:33:21.780219  # [   31.852521] RDX: 0000000000000010 RSI: 00007fd471128000 RDI: 0000000000000001

 3511 21:33:21.789920  # [   31.860788] RBP: 00007fd471128000 R08: 00007fd471127010 R09: 0000000000000000

 3512 21:33:21.796882  # [   31.869079] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3513 21:33:21.806251  # [   31.877345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3514 21:33:21.812990  # [   31.8856<6>[   33.799088] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3515 21:33:21.823015  <6>[   33.812079] lkdtm: attempting bad read from page above current stack

 3516 21:33:21.832554  <0>[   33.819480] BUG: stack guard page was hit at 00000000e5e2b885 (stack is 00000000df5bfec8..0000000028dd8738)

 3517 21:33:21.839582  <4>[   33.830664] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3518 21:33:21.842815  31] irq event stamp: 0

 3519 21:33:21.855896  # [   31.889342] hardirqs last  enabled <4>[   33.837763] CPU: 2 PID: 1012 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3520 21:33:21.862440  <4>[   33.852915] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3521 21:33:21.865788  at <(0): [<0000000000000000>] 0x0

 3522 21:33:21.875596  # [   31.902842] hardirqs last4>[   33.860013] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3523 21:33:21.895216  <4>[   33.873128] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 68 b0 e1 a2 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 e8 dd fb ff 48 c7 c7 a8 b0 e1 a2 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 cb dd fb ff

 3524 21:33:21.902629  <4>[   33.894397] RSP: 0018:ffffb1e20199fe50 EFLAGS: 00010246

 3525 21:33:21.911945  <4>[   33.900520] RAX: 0000000000000038 RBX: ffffb1e20199c000 RCX: 0000000000000000

 3526 21:33:21.918533  <4>[   33.908780] RDX: 0000000000000000 RSI: ffff9e25fad1bf50 RDI: ffffffffa2e1b0a8

 3527 21:33:21.928397  <4>[   33.917039] RBP: ffffffffa2e1a773 R08: 0000000000000000 R09: 0000000000000000

 3528 21:33:21.935351  <4>[   33.925299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3529 21:33:21.945010  <4>[   33.933558] R13: ffffb1e20199ff10 R14: ffffb1e20199ff10 R15: ffff9e25845bf000

 3530 21:33:21.952523  <4>[   33.941819] FS:  00007f78c25bf580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 3531 21:33:21.958051  <4>[   33.951146] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3532 21:33:21.967969  <4>[   33.957850] CR2: ffffb1e2019a0000 CR3: 0000000103c92005 CR4: 00000000003706e0

 3533 21:33:21.971182  <4>[   33.966108] Call Trace:

 3534 21:33:21.974556  <4>[   33.969124]  <#DF>

 3535 21:33:21.978335  <4>[   33.971657]  ? __die_body.cold+0x1a/0x1f

 3536 21:33:21.981399  <4>[   33.976333]  ? die+0x2b/0x50

 3537 21:33:21.987712  <4>[   33.979835]  ? handle_stack_overflow+0x3e/0x4d

 3538 21:33:21.991181  <4>[   33.985076]  ? no_context+0x24d/0x380

 3539 21:33:21.994736  <4>[   33.989450]  </#DF>

 3540 21:33:22.054637   d<isabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e04>[   33.992076] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 3541 21:33:22.057732  <4>[   34.051067] ---[ end trace c17c1eb82cc650c8 ]---

 3542 21:33:22.063985  <4>[   34.056511] RIP: 0010:lkdtm_BUG+0x5/0x10

 3543 21:33:22.084242  <4>[   34.061169] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 3544 21:33:22.090152  <4>[   34.082440] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 3545 21:33:22.099948  <4>[   34.088555] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3546 21:33:22.106926  <4>[   34.096813] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 3547 21:33:22.116832  <4>[   34.105071] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 3548 21:33:22.123512  <4>[   34.113330] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3549 21:33:22.133076  <4>[   34.121589] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 3550 21:33:22.139855  <4>[   34.129849] FS:  00007f78c25bf580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 3551 21:33:22.146586  <4>[   34.139177] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3552 21:33:22.156437  <4>[   34.145883] CR2: ffffb1e2019a0000 CR3: 0000000103c92005 CR4: 00000000003706e0

 3553 21:33:22.156591  

 3554 21:33:22.165864  # [   31.912273] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3555 21:33:22.172814  # [   31.921701] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3556 21:33:22.179313  # [   31.928993] ---[ end trace c17c1eb82cc650c5 ]---

 3557 21:33:22.182824  # WARNING_MESSAGE: saw 'message trigger': ok

 3558 21:33:22.186200  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh

 3559 21:33:22.189741  # selftests: lkdtm: EXCEPTION.sh

 3560 21:33:22.193160  # Killed

 3561 21:33:22.195914  # [   32.008423] lkdtm: Performing direct entry EXCEPTION

 3562 21:33:22.205829  # [   32.014904] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3563 21:33:22.209346  # [   32.022996] #PF: supervisor write access in kernel mode

 3564 21:33:22.215877  # [   32.035330] #PF: error_code(0x0002) - not-present page

 3565 21:33:22.219335  # [   32.041356] PGD 0 P4D 0 

 3566 21:33:22.222255  # [   32.044470] Oops: 0002 [#2] SMP PTI

 3567 21:33:22.232728  # [   32.048653] CPU: 3 PID: 746 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3568 21:33:22.238709  # [   32.057486] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3569 21:33:22.249186  # [   32.064582] RIP: 0010:lkdtm_EXCE<6>[   34.238252] lkdtm: Performing direct entry UNSET_SMEP

 3570 21:33:22.255189  <6>[   34.247134] lkdtm: trying to clear SMEP normally

 3571 21:33:22.255317  PTION+0x5/0x20

 3572 21:33:22.265169  # [   32.069833] Code: 48 c7 c7 50 ac e1 a2 8d 7<4>[   34.252611] ------------[ cut here ]------------

 3573 21:33:22.271692  <4>[   34.264268] pinned CR4 bits changed: 0x100000!?

 3574 21:33:22.281672  <4>[   34.269671] WARNING: CPU: 3 PID: 1049 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60

 3575 21:33:22.340844  0 01 89 35 d1 77 2a 03 e8 72 00 68 00 0f 0b c3 cc cc cc cc 66 0f<4>[   34.280176] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 3576 21:33:22.351228  <4>[   34.339142] CPU: 3 PID: 1049 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3577 21:33:22.357351  <4>[   34.348110] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3578 21:33:22.364119  <4>[   34.355209] RIP: 0010:native_write_cr4+0x45/0x60

 3579 21:33:22.383796  <4>[   34.360658] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 6a 50 86 02 00 75 f2 48 c7 c7 70 81 d1 a2 c6 05 5a 50 86 02 01 e8 8d c2 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3580 21:33:22.398001   1f 84 00 00 00 00 00 0f 1f 44 00 00 <c7> 04 25 00 00 00 00 00 0<4>[   34.381941] RSP: 0018:ffffb1e201a27e48 EFLAGS: 00010286

 3581 21:33:22.403541  <4>[   34.394285] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000

 3582 21:33:22.414453  <4>[   34.402548] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 3583 21:33:22.420472  <4>[   34.410812] RBP: ffffffffa2e1a78d R08: 0000000000000000 R09: 0000000000000000

 3584 21:33:22.423533  0 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84

 3585 21:33:22.437273  # [   32.091096] RSP: <4>[   34.419079] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3586 21:33:22.439870  0018:ffffb1e201577e60 EFLAGS: 00010286

 3587 21:33:22.449766  # [   32.097211] RAX: ff<4>[   34.433555] R13: ffffb1e201a27f10 R14: ffffb1e201a27f10 R15: ffff9e2583f00000

 3588 21:33:22.456331  ffffffa157e650 RBX: 0000000000000004 RCX: 0000000000000000

 3589 21:33:22.466096  # [ <4>[   34.448035] FS:  00007f5e3a66e580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 3590 21:33:22.472766  <4>[   34.463581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3591 21:33:22.479561  <4>[   34.470293] CR2: 00007f5e3a478000 CR3: 000000010595c003 CR4: 00000000003706e0

 3592 21:33:22.482837  <4>[   34.478580] Call Trace:

 3593 21:33:22.492558    32.105470] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ff<4>[   34.481625]  ? __warn+0x80/0x110

 3594 21:33:22.499189  <4>[   34.491730]  ? native_write_cr4+0x45/0x60

 3595 21:33:22.502772  <4>[   34.496530]  ? report_bug+0x9e/0xc0

 3596 21:33:22.505816  <4>[   34.500743]  ? handle_bug+0x41/0x90

 3597 21:33:22.512876  <4>[   34.504926]  ? exc_invalid_op+0x14/0x70

 3598 21:33:22.515651  <4>[   34.509501]  ? asm_exc_invalid_op+0x12/0x20

 3599 21:33:22.522334  <4>[   34.514509]  ? native_write_cr4+0x45/0x60

 3600 21:33:22.522426  ffffffa29942e0

 3601 21:33:22.532860  # [   32.113728] RBP: ffffffffa2d0e0cf R08: 0000<4>[   34.519285]  ? native_write_cr4+0x45/0x60

 3602 21:33:22.538916  <4>[   34.530263]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3603 21:33:22.542577  000000000000 R09: 0000000000000000

 3604 21:33:22.549070  # [   32.121988] R10: 000000<4>[   34.535451]  direct_entry.cold+0x2c/0x38

 3605 21:33:22.552793  <4>[   34.546336]  full_proxy_write+0x53/0x80

 3606 21:33:22.555530  <4>[   34.550941]  vfs_write+0xe7/0x3b0

 3607 21:33:22.562068  <4>[   34.554955]  ksys_write+0x68/0xf0

 3608 21:33:22.565288  <4>[   34.558972]  do_syscall_64+0x30/0x40

 3609 21:33:22.571446  <4>[   34.563279]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3610 21:33:22.575072  <4>[   34.569236] RIP: 0033:0x7f5e3a584473

 3611 21:33:22.598156  <4>[   34.573517] 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

 3612 21:33:22.604448  <4>[   34.594792] RSP: 002b:00007ffd3cfe2dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3613 21:33:22.614332  <4>[   34.603543] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5e3a584473

 3614 21:33:22.620960  <4>[   34.611805] RDX: 000000000000000b RSI: 00007f5e3a478000 RDI: 0000000000000001

 3615 21:33:22.630937  <4>[   34.620068] RBP: 00007f5e3a478000 R08: 00007f5e3a477010 R09: 0000000000000000

 3616 21:33:22.637314  <4>[   34.628331] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3617 21:33:22.647690  <4>[   34.636595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3618 21:33:22.650796  <4>[   34.644863] irq event stamp: 0

 3619 21:33:22.657324  00ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3620 21:33:22.664230  # [   32<4>[   34.648587] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3621 21:33:22.673758  <4>[   34.662090] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3622 21:33:22.683575  <4>[   34.671520] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3623 21:33:22.690422  <4>[   34.680965] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3624 21:33:22.703143  .130245] R13: ffffb1e201577f10 R14: ffffb1e201577f10 R15: ffff9e<4>[   34.688268] ---[ end trace c17c1eb82cc650c9 ]---

 3625 21:33:22.707082  <6>[   34.699923] lkdtm: ok: SMEP did not get cleared

 3626 21:33:22.707183  25839a9000

 3627 21:33:22.719852  # [   32.138505] FS:  00007f9ce6801580(0000) GS:ffff<6>[   34.705273] lkdtm: trying to clear SMEP with call gadget

 3628 21:33:22.726992  <6>[   34.717714] lkdtm: ok: SMEP removal was reverted

 3629 21:33:22.729914  9e25fad80000(0000) knlGS:0000000000000000

 3630 21:33:22.736968  # [   32.147833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3631 21:33:22.743071  # [   32.154536] CR2: 0000000000000000 CR3: 0000000103914002 CR4: 00000000003706e0

 3632 21:33:22.746115  # [   32.162794] Call Trace:

 3633 21:33:22.752488  # [   32.165813]  ? __die_body.cold+0x1a/0x1f

 3634 21:33:22.755859  # [   32.170483]  ? no_context+0x177/0x380

 3635 21:33:22.759416  # [   32.174861]  ? exc_page_fault+0x53/0x170

 3636 21:33:22.766462  # [   32.179528]  ? asm_exc_page_fault+0x1e/0x30

 3637 21:33:22.769470  # [   32.184487]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3638 21:33:22.776032  # [   32.189737]  ? lkdtm_EXCEPTION+0x5/0x20

 3639 21:33:22.779125  # [   32.194310]  direct_entry.cold+0x2c/0x38

 3640 21:33:22.782365  # [   32.198979]  full_proxy_write+0x53/0x80

 3641 21:33:22.789021  # [   32.203551]  vfs_write+0xe7/0x3b0

 3642 21:33:22.792554  # [   32.207538]  ksys_write+0x68/0xf0

 3643 21:33:22.795627  # [   32.211526]  do_syscall_64+0x30/0x40

 3644 21:33:22.802264  # [   32.215805]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3645 21:33:22.805615  # [   32.221736] RIP: 0033:0x7f9ce6717473

 3646 21:33:22.832020  # [   32.226013] 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 <6>[   34.816492] lkdtm: Performing direct entry DOUBLE_FAULT

 3647 21:33:22.835118  <3>[   34.828731] lkdtm: XFAIL: this test is ia32-only

 3648 21:33:22.838536  83 ec 28 48 89 54 24 18

 3649 21:33:22.848520  # [   32.247283] RSP: 002b:00007fff288a2108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3650 21:33:22.854964  # [   32.256045] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9ce6717473

 3651 21:33:22.864917  # [   32.264303] RDX: 000000000000000a RSI: 00007f9ce660b000 RDI: 0000000000000001

 3652 21:33:22.871384  # [   32.272560] RBP: 00007f9ce660b000 R08: 00007f9ce660a010 R09: 0000000000000000

 3653 21:33:22.881646  # [   32.280819] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3654 21:33:22.887600  # [   32.289079] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3655 21:33:22.934306  # [   32.297341] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_com<6>[   34.921687] lkdtm: Performing direct entry CORRUPT_PAC

 3656 21:33:22.947300  press snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cor<3>[   34.933451] lkdtm: XFAIL: this test is arm64-only

 3657 21:33:22.950493  eboot_table cros_kbd_led_backlight chromeos_pstore

 3658 21:33:22.956983  # [   32.356323] CR2: 0000000000000000

 3659 21:33:22.960463  # [   32.360311] ---[ end trace c17c1eb82cc650c6 ]---

 3660 21:33:22.966901  # [   32.365754] RIP: 0010:lkdtm_BUG+0x5/0x10

 3661 21:33:22.987155  # [   32.370420] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 3662 21:33:22.993755  # [   32.391691] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 3663 21:33:23.000149  # [   32.397815] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3664 21:33:23.009659  # [   32.406074] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 3665 21:33:23.016572  # [   32.414331] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 3666 21:33:23.026326  # [   32.422590] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3667 21:33:23.032774  # [   32.430849] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 3668 21:33:23.049108  # [   32.439110] FS:  00007f9ce6801580(0000) GS:ffff9e25fad80000(0<6>[   35.033447] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3669 21:33:23.049233  000) knlGS:0000000000000000

 3670 21:33:23.062289  # [   32.448435] CS:  0010 DS: 0000<3>[   35.045929] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3671 21:33:23.065842   ES: 0000 CR0: 0000000080050033

 3672 21:33:23.072706  # [   32.455141] CR2: 0000000000000000 CR3: 0000000103914002 CR4: 00000000003706e0

 3673 21:33:23.082297  # [   32.463402] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3674 21:33:23.092268  # [   32.473604] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 746, name: cat

 3675 21:33:23.095903  # [   32.482251] INFO: lockdep is turned off.

 3676 21:33:23.099246  # [   32.486917] irq event stamp: 0

 3677 21:33:23.108594  # [   32.490613] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3678 21:33:23.115200  # [   32.497903] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3679 21:33:23.125255  # [   32.507319] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3680 21:33:23.131851  # [   32.516743] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3681 21:33:23.141935  # [   32.524033] CPU: 3 PID: 746 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3682 21:33:23.148636  # [   32.532880] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3683 21:33:23.151607  # [   32.539973] Call Trace:

 3684 21:33:23.155279  # [   32.542992]  dump_stack+0x77/0x9b

 3685 21:33:23.161999  # [   32.546981]  ___might_sleep.cold+0xa6/0xb6

 3686 21:33:23.164897  # [   32.551848]  exit_signals+0x1c/0x300

 3687 21:33:23.168266  # [   32.556127]  do_exit+0xc2/0xab0

 3688 21:33:23.171511  # [   32.559913]  ? ksys_write+0x68/0xf0

 3689 21:33:23.178372  # [   32.564097]  make_task_dead+0x2f/0x30

 3690 21:33:23.181973  # [   32.568473]  rewind_stack_and_make_dead+0x17/0x20

 3691 21:33:23.184632  # [   32.574013] RIP: 0033:0x7f9ce6717473

 3692 21:33:23.210882  # [   32.578291] 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<6>[   35.200530] lkdtm: Performing direct entry READ_AFTER_FREE

 3693 21:33:23.217621  <6>[   35.209401] lkdtm: Value in memory before free: 12345678

 3694 21:33:23.224939  <6>[   35.215683] lkdtm: Attempting bad read from freed memory

 3695 21:33:23.227831   83 ec 28 48 89 54 24 18

 3696 21:33:23.234273  # [   32.599562] RSP: 002b:00007fff288<6>[   35.221923] lkdtm: Memory was not poisoned

 3697 21:33:23.241513  a2108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3698 21:33:23.247202  # [   32.608308] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9ce6717473

 3699 21:33:23.257059  # [   32.616581] RDX: 000000000000000a RSI: 00007f9ce660b000 RDI: 0000000000000001

 3700 21:33:23.263934  # [   32.624840] RBP: 00007f9ce660b000 R08: 00007f9ce660a010 R09: 0000000000000000

 3701 21:33:23.273560  # [   32.633099] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3702 21:33:23.280420  # [   32.641357] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3703 21:33:23.283453  # EXCEPTION: saw 'call trace:': ok

 3704 21:33:23.286678  ok 5 selftests: lkdtm: EXCEPTION.sh

 3705 21:33:23.290701  # selftests: lkdtm: LOOP.sh

 3706 21:33:23.293369  # Skipping LOOP: Hangs the system

 3707 21:33:23.296963  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 3708 21:33:23.299901  # selftests: lkdtm: EXHAUST_STACK.sh

 3709 21:33:23.306456  # Skipping EXHAUST_STACK: Corrupts memory on failure

 3710 21:33:23.310173  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 3711 21:33:23.316706  # selftests: lkdtm: CORRUPT_STACK.sh

 3712 21:33:23.320054  # Skipping CORRUPT_STACK: Crashes entire system on success

 3713 21:33:23.326489  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP

 3714 21:33:23.330039  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 3715 21:33:23.336513  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 3716 21:33:23.343184  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 3717 21:33:23.346253  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 3718 21:33:23.353345  # [   32.95<6>[   35.344405] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3719 21:33:23.359534  <6>[   35.351947] lkdtm: Value in memory before free: 12345678

 3720 21:33:23.366497  <6>[   35.358220] lkdtm: Attempting to read from freed memory

 3721 21:33:23.372647  3657] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3722 21:33:23.379151  # [   32.<6>[   35.364379] lkdtm: Buddy page was not poisoned

 3723 21:33:23.382668  960765] lkdtm: attempting good list addition

 3724 21:33:23.389002  # [   32.966220] lkdtm: attempting corrupted list addition

 3725 21:33:23.392248  # [   32.972162] lkdtm: list_add() corruption not detected!

 3726 21:33:23.399377  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]

 3727 21:33:23.406094  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 3728 21:33:23.409304  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 3729 21:33:23.415617  # [   33.055598] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3730 21:33:23.422223  # [   33.065551] lkdtm: attempting good list removal

 3731 21:33:23.425517  # [   33.077112] lkdtm: attempting corrupted list removal

 3732 21:33:23.432219  # [   33.089162] lkdtm: list_del() corruption not detected!

 3733 21:33:23.438679  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]

 3734 21:33:23.445463  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 3735 21:33:23.448630  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3736 21:33:23.451928  # Segmentation fault

 3737 21:33:23.458714  # [   33.170820] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3738 21:33:23.472299  # [   33.183279] lkdtm: attempting bad read from page below current s<6>[   35.459756] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 3739 21:33:23.472457  tack

 3740 21:33:23.481784  # [   33.190724] BUG: stack guard page was hit at 00000000<6>[   35.469502] lkdtm: Attempting double slab free ...

 3741 21:33:23.488679  3a01e9ab (stack is 0000000065375049..00000000b2a055ae)

 3742 21:33:23.495014  # [   33.201908] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3743 21:33:23.504894  # [   33.215214] CPU: 2 PID: 978 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3744 21:33:23.511409  # [   33.224058] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3745 21:33:23.517718  # [   33.237369] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3746 21:33:23.537736  # [   33.244172] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 f0 af e1 a2 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 22 de fb ff 48 c7 c7 30 b0 e1 a2 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 08 de fb ff 0f 1f 44

 3747 21:33:23.543948  # [   33.265434] RSP: 0018:ffffb1e201907e50 EFLAGS: 00010246

 3748 21:33:23.554149  # [   33.271549] RAX: 0000000000000038 RBX: ffffb1e201904000 RCX: 0000000000000000

 3749 21:33:23.560654  # [   33.279809] RDX: 0000000000000000 RSI: ffff9e25fad1bf50 RDI: ffffffffa2e1b030

 3750 21:33:23.570518  # [   33.288070] RBP: ffffffffa2e1a75a R08: 0000000000000000 R09: 0000000000000000

 3751 21:33:23.577364  # [   33.296329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3752 21:33:23.590780  # [   33.304588] R13: ffffb1e201907f10 R14: ffffb<6>[   35.577171] lkdtm: Performing direct entry SLAB_FREE_CROSS

 3753 21:33:23.593742  <6>[   35.587199] lkdtm: Attempting cross-cache slab free ...

 3754 21:33:23.600166  1e201907f10 R15: ffff9e25839b6000

 3755 21:33:23.607410  # [   33.312846] FS:  00007fce01f5d580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 3756 21:33:23.613572  # [   33.322174] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3757 21:33:23.623584  # [   33.328879] CR2: ffffb1e201903fff CR3: 0000000103d04004 CR4: 00000000003706e0

 3758 21:33:23.626662  # [   33.337138] Call Trace:

 3759 21:33:23.626755  # [   33.340153]  <#DF>

 3760 21:33:23.633071  # [   33.342707]  ? __die_body.cold+0x1a/0x1f

 3761 21:33:23.636335  # [   33.347377]  ? die+0x2b/0x50

 3762 21:33:23.639611  # [   33.350880]  ? handle_stack_overflow+0x3e/0x4d

 3763 21:33:23.646811  # [   33.356131]  ? no_context+0x24d/0x380

 3764 21:33:23.646912  # [   33.360506]  </#DF>

 3765 21:33:23.699198  # [   33.363134] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 3766 21:33:23.706118  # [ <6>[   35.696705] lkdtm: Performing direct entry SLAB_FREE_PAGE

 3767 21:33:23.712531  <6>[   35.705385] lkdtm: Attempting non-Slab slab free ...

 3768 21:33:23.719116    33.422122] ---[ end trace c17c1eb82cc650c7 ]---

 3769 21:33:23.722324  # [   33.427567] RIP: 0010:lkdtm_BUG+0x5/0x10

 3770 21:33:23.745103  # [   33.432234] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 3771 21:33:23.748625  # [   33.453506] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 3772 21:33:23.758790  # [   33.459621] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3773 21:33:23.765519  # [   33.467879] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 3774 21:33:23.775587  # [   33.476140] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 3775 21:33:23.781568  # [   33.484389] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3776 21:33:23.791459  # [   33.492648] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 3777 21:33:23.798410  # [   33.500908] FS:  00007fce01f5d580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 3778 21:33:23.805265  # [   33.510234] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3779 21:33:23.814795  # [   33.516939] CR2: ffffb1e201903fff CR3: 0000000103d04004 CR4: 00000000003706e0

 3780 21:33:23.824422  # [   33.525197] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3781 21:33:23.834507  # [   33.535397] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat

 3782 21:33:23.837555  # [   33.544044] INFO: lockdep is turned off.

 3783 21:33:23.841180  # [   33.548711] irq event stamp: 0

 3784 21:33:23.847904  # [   33.552409] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3785 21:33:23.857608  # [   33.559698] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3786 21:33:23.867270  # [   33.569113] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3787 21:33:23.874094  # [   33.578538] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3788 21:33:23.884245  # [   33.585827] CPU: 2 PID: 978 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3789 21:33:23.890837  # [   33.594689] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3790 21:33:23.893731  # [   33.601783] Call Trace:

 3791 21:33:23.897204  # [   33.604802]  dump_stack+0x77/0x9b

 3792 21:33:23.900627  # [   33.608790]  ___might_sleep.cold+0xa6/0xb6

 3793 21:33:23.907490  # [   33.613646]  exit_signals+0x1c/0x300

 3794 21:33:23.910763  # [   33.617970]  do_exit+0xc2/0xab0

 3795 21:33:23.914046  # [   33.621755]  ? ksys_write+0x68/0xf0

 3796 21:33:23.917213  # [   33.625928]  make_task_dead+0x2f/0x30

 3797 21:33:23.923745  # [   33.630296]  rewind_stack_and_make_dead+0x17/0x20

 3798 21:33:23.930388  # [   33.63<6>[   35.917900] lkdtm: Performing direct entry EXEC_DATA

 3799 21:33:23.937538  <6>[   35.928409] lkdtm: attempting ok execution at ffffffffa157e9c0

 3800 21:33:23.943309  <6>[   35.935247] lkdtm: attempting bad execution at ffffffffa4825e40

 3801 21:33:23.953557  <2>[   35.942155] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3802 21:33:23.956620  5837] RIP: 0033:0x7fce01e73473

 3803 21:33:23.966834  # [   33.640115] Code: 8b 15 21 <1>[   35.950829] BUG: unable to handle page fault for address: ffffffffa4825e40

 3804 21:33:23.972960  <1>[   35.965013] #PF: supervisor instruction fetch in kernel mode

 3805 21:33:23.979743  <1>[   35.971624] #PF: error_code(0x0011) - permissions violation

 3806 21:33:23.986221  <6>[   35.978153] PGD 21e29067 P4D 21e29067 PUD 21e2a063 PMD 80000000236000e3 

 3807 21:33:23.999845  2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8<4>[   35.985939] Oops: 0011 [#5] SMP PTI

 3808 21:33:24.006086  <4>[   35.996332] CPU: 3 PID: 1573 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3809 21:33:24.012846  <4>[   36.005273] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3810 21:33:24.019748  <4>[   36.012370] RIP: 0010:data_area+0x0/0x40

 3811 21:33:24.039140  <4>[   36.017053] Code: ff ff 00 52 d0 84 25 9e ff ff 00 51 d0 84 25 9e 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

 3812 21:33:24.046676  <4>[   36.038323] RSP: 0018:ffffb1e2022bfe48 EFLAGS: 00010246

 3813 21:33:24.056039  <4>[   36.044448] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3814 21:33:24.062108  <4>[   36.052708] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 3815 21:33:24.072011  <4>[   36.060966] RBP: ffffffffa4825e40 R08: 0000000000000000 R09: 0000000000000000

 3816 21:33:24.078731  <4>[   36.069226] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3817 21:33:24.088620  <4>[   36.077485] R13: ffffb1e2022bff10 R14: ffffb1e2022bff10 R15: ffff9e258256a000

 3818 21:33:24.098614  <4>[   36.085745] FS:  00007fb66c736580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 3819 21:33:24.105039  <4>[   36.095072] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3820 21:33:24.111605  <4>[   36.101777] CR2: ffffffffa4825e40 CR3: 0000000104738006 CR4: 00000000003706e0

 3821 21:33:24.115077  <4>[   36.110037] Call Trace:

 3822 21:33:24.118211  <4>[   36.113056]  ? __die_body.cold+0x1a/0x1f

 3823 21:33:24.124993  <4>[   36.117724]  ? no_context+0x177/0x380

 3824 21:33:24.128203  <4>[   36.122094]  ? exc_page_fault+0xd7/0x170

 3825 21:33:24.135292  <4>[   36.126780]  ? asm_exc_page_fault+0x1e/0x30

 3826 21:33:24.138507  <4>[   36.131763]  ? execute_location+0x45/0x56

 3827 21:33:24.144683  <4>[   36.136529]  ? direct_entry.cold+0x2c/0x38

 3828 21:33:24.147837  <4>[   36.141391]  ? full_proxy_write+0x53/0x80

 3829 21:33:24.151710  <4>[   36.146157]  ? vfs_write+0xe7/0x3b0

 3830 21:33:24.158283  <4>[   36.150330]  ? ksys_write+0x68/0xf0

 3831 21:33:24.161407  <4>[   36.154513]  ? do_syscall_64+0x30/0x40

 3832 21:33:24.168082  <4>[   36.158986]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3833 21:33:24.227092  b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 <4>[   36.165112] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 3834 21:33:24.230569  <4>[   36.224097] CR2: ffffffffa4825e40

 3835 21:33:24.233945  <4>[   36.228074] ---[ end trace c17c1eb82cc650ca ]---

 3836 21:33:24.241924  <4>[   36.233521] RIP: 0010:lkdtm_BUG+0x5/0x10

 3837 21:33:24.260829  <4>[   36.238189] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 3838 21:33:24.266768  <4>[   36.259459] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 3839 21:33:24.277264  <4>[   36.265584] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3840 21:33:24.283694  <4>[   36.273844] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 3841 21:33:24.293853  <4>[   36.282103] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 3842 21:33:24.300014  <4>[   36.290379] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3843 21:33:24.309839  <4>[   36.298639] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 3844 21:33:24.320381  <4>[   36.306900] FS:  00007fb66c736580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 3845 21:33:24.326335  <4>[   36.316219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3846 21:33:24.332621  <4>[   36.322924] CR2: ffffffffa4825e40 CR3: 0000000104738006 CR4: 00000000003706e0

 3847 21:33:24.342883  <3>[   36.331185] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3848 21:33:24.353459  <3>[   36.341387] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1573, name: cat

 3849 21:33:24.356058  <4>[   36.350132] INFO: lockdep is turned off.

 3850 21:33:24.359184  <4>[   36.354797] irq event stamp: 0

 3851 21:33:24.369056  <4>[   36.358492] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3852 21:33:24.375976  <4>[   36.365780] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3853 21:33:24.385530  <4>[   36.375212] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 3854 21:33:24.392468  <4>[   36.384637] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3855 21:33:24.402000  <4>[   36.391925] CPU: 3 PID: 1573 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3856 21:33:24.409094  <4>[   36.400863] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3857 21:33:24.411843  <4>[   36.407956] Call Trace:

 3858 21:33:24.415403  <4>[   36.410973]  dump_stack+0x77/0x9b

 3859 21:33:24.422249  <4>[   36.414953]  ___might_sleep.cold+0xa6/0xb6

 3860 21:33:24.425082  <4>[   36.419808]  exit_signals+0x1c/0x300

 3861 21:33:24.428604  <4>[   36.424097]  do_exit+0xc2/0xab0

 3862 21:33:24.435486  <4>[   36.427891]  ? ksys_write+0x68/0xf0

 3863 21:33:24.438865  <4>[   36.432078]  make_task_dead+0x2f/0x30

 3864 21:33:24.445081  <4>[   36.436454]  rewind_stack_and_make_dead+0x17/0x20

 3865 21:33:24.448178  <4>[   36.442000] RIP: 0033:0x7fb66c64c473

 3866 21:33:24.467688  <4>[   36.446279] 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

 3867 21:33:24.477788  <4>[   36.467551] RSP: 002b:00007ffeb063ed98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3868 21:33:24.488106  <4>[   36.476296] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb66c64c473

 3869 21:33:24.494345  <4>[   36.484555] RDX: 000000000000000a RSI: 00007fb66c540000 RDI: 0000000000000001

 3870 21:33:24.504201  <4>[   36.492812] RBP: 00007fb66c540000 R08: 00007fb66c53f010 R09: 0000000000000000

 3871 21:33:24.510913  <4>[   36.501072] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3872 21:33:24.520745  <4>[   36.509330] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3873 21:33:24.524151  f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3874 21:33:24.534622  # [   33.661384] RSP: 002b:00007ffec7ac91e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3875 21:33:24.540350  # [   33.670130] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fce01e73473

 3876 21:33:24.550545  # [   33.678388] RDX: 0000000000000019 RSI: 00007fce01d67000 RDI: 0000000000000001

 3877 21:33:24.557312  # [   33.686646] RBP: 00007fce01d67000 R08: 00007fce01d66010 R09: 0000000000000000

 3878 21:33:24.567104  # [   33.694904] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3879 21:33:24.573514  # [   33.703164] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3880 21:33:24.580681  # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok

 3881 21:33:24.583259  ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3882 21:33:24.590076  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3883 21:33:24.590166  # Segmentation fault

 3884 21:33:24.599990  # [   33.799088] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3885 21:33:24.607058  # [   33.812079] lkdtm: attempting bad read from page above current stack

 3886 21:33:24.616486  # [   33.819480] BUG: stack guard page was hit at 00000000e5e2b885 (stack is 00000000df5bfec8..0000000028dd8738)

 3887 21:33:24.626363  # [   33.830664] <6>[   36.616920] lkdtm: Performing direct entry EXEC_STACK

 3888 21:33:24.633267  <6>[   36.623009] lkdtm: attempting ok execution at ffffffffa157e9c0

 3889 21:33:24.640089  <6>[   36.629823] lkdtm: attempting bad execution at ffffb1e20236fe18

 3890 21:33:24.646217  <2>[   36.636730] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3891 21:33:24.656189  <1>[   36.645385] BUG: unable to handle page fault for address: ffffb1e20236fe18

 3892 21:33:24.662762  <1>[   36.653356] #PF: supervisor instruction fetch in kernel mode

 3893 21:33:24.669147  <1>[   36.659969] #PF: error_code(0x0011) - permissions violation

 3894 21:33:24.672952  ke<rnel stack overflow (page fault): 0000 [#4] SMP PTI

 3895 21:33:24.682421  # [   33.6>[   36.666481] PGD 100000067 P4D 100000067 PUD 100245067 PMD 1046d9067 PTE 8000000103f67063

 3896 21:33:24.689302  <4>[   36.682028] Oops: 0011 [#6] SMP PTI

 3897 21:33:24.695852  <4>[   36.686203] CPU: 3 PID: 1610 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3898 21:33:24.702493  <4>[   36.695143] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3899 21:33:24.708835  <4>[   36.702238] RIP: 0010:0xffffb1e20236fe18

 3900 21:33:24.728939  <4>[   36.706896] Code: 00 00 18 fe 36 02 e2 b1 ff ff bd 66 c4 a1 ff ff ff ff 20 00 00 00 00 00 00 00 b6 a8 e1 a2 ff ff ff ff ec 67 c4 a1 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

 3901 21:33:24.735173  <4>[   36.728167] RSP: 0018:ffffb1e20236fdf8 EFLAGS: 00010246

 3902 21:33:24.745406  <4>[   36.734292] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3903 21:33:24.751899  <4>[   36.742542] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 3904 21:33:24.762396  <4>[   36.750802] RBP: ffffb1e20236fe18 R08: 0000000000000000 R09: 0000000000000000

 3905 21:33:24.768792  <4>[   36.759062] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3906 21:33:24.778234  <4>[   36.767322] R13: ffffb1e20236ff10 R14: ffffb1e20236ff10 R15: ffff9e25859bc000

 3907 21:33:24.789248  <4>[   36.775581] FS:  00007fc4787af580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 3908 21:33:24.794888  <4>[   36.784909] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3909 21:33:24.801801  <4>[   36.791616] CR2: ffffb1e20236fe18 CR3: 0000000105b02004 CR4: 00000000003706e0

 3910 21:33:24.804460  <4>[   36.799875] Call Trace:

 3911 21:33:24.808421  <4>[   36.802896]  ? __die_body.cold+0x1a/0x1f

 3912 21:33:24.814854  <4>[   36.807565]  ? no_context+0x177/0x380

 3913 21:33:24.817887  <4>[   36.811945]  ? exc_page_fault+0xd7/0x170

 3914 21:33:24.824449  <4>[   36.816613]  ? asm_exc_page_fault+0x1e/0x30

 3915 21:33:24.828025  <4>[   36.821577]  ? execute_location+0x45/0x56

 3916 21:33:24.834534  <4>[   36.826343]  ? lkdtm_EXEC_STACK+0x26/0x44

 3917 21:33:24.837954  <4>[   36.831099]  ? direct_entry.cold+0x2c/0x38

 3918 21:33:24.840915  <4>[   36.835962]  ? full_proxy_write+0x53/0x80

 3919 21:33:24.848144  <4>[   36.840728]  ? vfs_write+0xe7/0x3b0

 3920 21:33:24.851183  <4>[   36.844910]  ? ksys_write+0x68/0xf0

 3921 21:33:24.854439  <4>[   36.849091]  ? do_syscall_64+0x30/0x40

 3922 21:33:24.861077  <4>[   36.853566]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3923 21:33:24.920111  837763] CPU: 2 PID: 1012 Comm: cat Tainted: G      D W         5<4>[   36.859683] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 3924 21:33:24.923545  <4>[   36.918665] CR2: ffffb1e20236fe18

 3925 21:33:24.930057  <4>[   36.922653] ---[ end trace c17c1eb82cc650cb ]---

 3926 21:33:24.933566  <4>[   36.928090] RIP: 0010:lkdtm_BUG+0x5/0x10

 3927 21:33:24.956433  <4>[   36.932774] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 3928 21:33:24.956635  .10.212-cip44 #1

 3929 21:33:24.969455  # [   33.852915] Hardware name: Google Rammus/<4>[   36.954056] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 3930 21:33:24.976081  <4>[   36.966392] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3931 21:33:24.986079  <4>[   36.974669] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 3932 21:33:24.986250  Rammus, BIOS  09/04/2020

 3933 21:33:24.999531  # [   33.860013] RIP: 0010:lkdtm_STACK<4>[   36.982938] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 3934 21:33:25.005920  <4>[   36.997410] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3935 21:33:25.015775  <4>[   37.005667] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 3936 21:33:25.026060  <4>[   37.013926] FS:  00007fc4787af580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 3937 21:33:25.032771  <4>[   37.023253] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3938 21:33:25.038646  <4>[   37.029959] CR2: ffffb1e20236fe18 CR3: 0000000105b02004 CR4: 00000000003706e0

 3939 21:33:25.042632  _GUARD_PAGE_TRAILING+0x27/0x3d

 3940 21:33:25.065387  # [   33.873128] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 68 b0 e1 a2 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 e8 dd fb ff 48 c7 c7 a8 b0 e1 a2 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 cb dd fb ff

 3941 21:33:25.072022  # [   33.894397] RSP: 0018:ffffb1e20199fe50 EFLAGS: 00010246

 3942 21:33:25.078608  # [   33.900520] RAX: 0000000000000038 RBX: ffffb1e20199c000 RCX: 0000000000000000

 3943 21:33:25.088323  # [   33.908780] RDX: 0000000000000000 RSI: ffff9e25fad1bf50 RDI: ffffffffa2e1b0a8

 3944 21:33:25.095257  # [   33.917039] RBP: ffffffffa2e1a773 R08: 0000000000000000 R09: 0000000000000000

 3945 21:33:25.101710  # [   33.925299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3946 21:33:25.111622  # [   33.933558] R13: ffffb1e20199ff10 R14: ffffb1e20199ff10 R15: ffff9e25845bf000

 3947 21:33:25.121181  # [   33.941819] FS:  00007f78c25bf580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 3948 21:33:25.128108  # [   33.951146] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3949 21:33:25.134833  # [   33.957850] CR2: ffffb1e2019a0000 CR3: 0000000103c92005 CR4: 00000000003706e0

 3950 21:33:25.137848  # [   33.966108] Call Trace:

 3951 21:33:25.144579  # [   33.969124<6>[   37.136730] lkdtm: Performing direct entry EXEC_KMALLOC

 3952 21:33:25.150872  <6>[   37.143854] lkdtm: attempting ok execution at ffffffffa157e9c0

 3953 21:33:25.154682  ]  <#DF>

 3954 21:33:25.158039  # [   33.971657]  ? __die_body.cold+0x1a/0x1f

 3955 21:33:25.164294  # [   3<6>[   37.150678] lkdtm: attempting bad execution at ffff9e2585358980

 3956 21:33:25.174359  <2>[   37.163814] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3957 21:33:25.177338  3.976333]  ? die+0x2b/0x50

 3958 21:33:25.187173  # [   33.979835]  ? handle_stack_ove<1>[   37.172468] BUG: unable to handle page fault for address: ffff9e2585358980

 3959 21:33:25.193551  <1>[   37.186651] #PF: supervisor instruction fetch in kernel mode

 3960 21:33:25.200143  <1>[   37.193251] #PF: error_code(0x0011) - permissions violation

 3961 21:33:25.210331  <6>[   37.199762] PGD 23801067 P4D 23801067 PUD 10084d063 PMD 1058af063 PTE 8000000105358063

 3962 21:33:25.213393  <4>[   37.208899] Oops: 0011 [#7] SMP PTI

 3963 21:33:25.223224  <4>[   37.213080] CPU: 3 PID: 1647 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3964 21:33:25.230721  <4>[   37.222020] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3965 21:33:25.236317  <4>[   37.229117] RIP: 0010:0xffff9e2585358980

 3966 21:33:25.256748  <4>[   37.233785] Code: 00 00 02 00 00 00 00 00 00 00 00 86 35 85 25 9e ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 cb f9 af a0 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

 3967 21:33:25.263603  <4>[   37.255055] RSP: 0018:ffffb1e2023ffe38 EFLAGS: 00010246

 3968 21:33:25.269901  <4>[   37.261179] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3969 21:33:25.279627  <4>[   37.269439] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 3970 21:33:25.286325  <4>[   37.277699] RBP: ffff9e2585358980 R08: 0000000000000000 R09: 0000000000000000

 3971 21:33:25.296741  <4>[   37.285959] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 3972 21:33:25.305793  <4>[   37.294243] R13: ffffb1e2023fff10 R14: ffffb1e2023fff10 R15: ffff9e2584023000

 3973 21:33:25.313028  <4>[   37.302502] FS:  00007fd1ef097580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 3974 21:33:25.319274  <4>[   37.311828] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3975 21:33:25.329224  <4>[   37.318534] CR2: ffff9e2585358980 CR3: 0000000103e7e005 CR4: 00000000003706e0

 3976 21:33:25.332200  <4>[   37.326793] Call Trace:

 3977 21:33:25.336004  <4>[   37.329812]  ? __die_body.cold+0x1a/0x1f

 3978 21:33:25.342559  <4>[   37.334480]  ? no_context+0x177/0x380

 3979 21:33:25.345271  <4>[   37.338867]  ? exc_page_fault+0xd7/0x170

 3980 21:33:25.345360  rflow+0x3e/0x4d

 3981 21:33:25.352405  # [   33.985076]  ? no_context+0x24d/0x380

 3982 21:33:25.355568  # [<4>[   37.343545]  ? asm_exc_page_fault+0x1e/0x30

 3983 21:33:25.359268     33.989450]  </#DF>

 3984 21:33:25.368754  # [   33.992076] Modules linked in: fuse <4>[   37.354722]  ? execute_location+0x45/0x56

 3985 21:33:25.372075  <4>[   37.365701]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 3986 21:33:25.378345  <4>[   37.370659]  ? direct_entry.cold+0x2c/0x38

 3987 21:33:25.381602  <4>[   37.375523]  ? full_proxy_write+0x53/0x80

 3988 21:33:25.385435  <4>[   37.380288]  ? vfs_write+0xe7/0x3b0

 3989 21:33:25.392079  <4>[   37.384470]  ? ksys_write+0x68/0xf0

 3990 21:33:25.395356  <4>[   37.388644]  ? do_syscall_64+0x30/0x40

 3991 21:33:25.401648  <4>[   37.393116]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3992 21:33:25.460864  ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core<4>[   37.399242] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 3993 21:33:25.464632  <4>[   37.458227] CR2: ffff9e2585358980

 3994 21:33:25.471006  <4>[   37.462215] ---[ end trace c17c1eb82cc650cc ]---

 3995 21:33:25.474398  <4>[   37.467659] RIP: 0010:lkdtm_BUG+0x5/0x10

 3996 21:33:25.494423  <4>[   37.472316] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 3997 21:33:25.500860  <4>[   37.493589] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 3998 21:33:25.510705  <4>[   37.499716] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3999 21:33:25.517649  <4>[   37.507977] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 4000 21:33:25.527475  <4>[   37.516238] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 4001 21:33:25.533933  <4>[   37.524498] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4002 21:33:25.543594  <4>[   37.532758] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 4003 21:33:25.553680  <4>[   37.541018] FS:  00007fd1ef097580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 4004 21:33:25.560275  <4>[   37.550346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4005 21:33:25.566529  <4>[   37.557052] CR2: ffff9e2585358980 CR3: 0000000103e7e005 CR4: 00000000003706e0

 4006 21:33:25.576716  <3>[   37.565311] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4007 21:33:25.587416  <3>[   37.575513] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1647, name: cat

 4008 21:33:25.589638  <4>[   37.584259] INFO: lockdep is turned off.

 4009 21:33:25.592905  <4>[   37.588927] irq event stamp: 0

 4010 21:33:25.603602  <4>[   37.592623] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4011 21:33:25.609613  <4>[   37.599904] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 4012 21:33:25.619311  <4>[   37.609345] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 4013 21:33:25.629615  <4>[   37.618771] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4014 21:33:25.635805  <4>[   37.626060] CPU: 3 PID: 1647 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4015 21:33:25.642722  <4>[   37.635000] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4016 21:33:25.646813  <4>[   37.642095] Call Trace:

 4017 21:33:25.652735  <4>[   37.645115]  dump_stack+0x77/0x9b

 4018 21:33:25.655993  <4>[   37.649103]  ___might_sleep.cold+0xa6/0xb6

 4019 21:33:25.659048  <4>[   37.653965]  exit_signals+0x1c/0x300

 4020 21:33:25.662581  <4>[   37.658241]  do_exit+0xc2/0xab0

 4021 21:33:25.669710  <4>[   37.662035]  ? ksys_write+0x68/0xf0

 4022 21:33:25.672474  <4>[   37.666221]  make_task_dead+0x2f/0x30

 4023 21:33:25.678880  <4>[   37.670598]  rewind_stack_and_make_dead+0x17/0x20

 4024 21:33:25.682313  <4>[   37.676144] RIP: 0033:0x7fd1eefad473

 4025 21:33:25.702274  <4>[   37.680424] 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

 4026 21:33:25.711636  <4>[   37.701690] RSP: 002b:00007ffffb95d3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4027 21:33:25.722572  <4>[   37.710436] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fd1eefad473

 4028 21:33:25.728589  <4>[   37.718696] RDX: 000000000000000d RSI: 00007fd1eeea1000 RDI: 0000000000000001

 4029 21:33:25.738539  <4>[   37.726955] RBP: 00007fd1eeea1000 R08: 00007fd1eeea0010 R09: 0000000000000000

 4030 21:33:25.744828  <4>[   37.735215] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4031 21:33:25.754876  <4>[   37.743475] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4032 21:33:25.797576   industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 4033 21:33:25.800774  # [   34.051067] ---[ end trace c17c1eb82cc650c8 ]---

 4034 21:33:25.808246  # [   34.056511] RIP: 0010:lkdtm_BUG+0x5/0x10

 4035 21:33:25.828581  # [   34.061169] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 4036 21:33:25.834260  # [   34.082440] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 4037 21:33:25.840415  # [   34.088555] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4038 21:33:25.850208  # [   34.096813] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 4039 21:33:25.857100  # [   34.105071] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 4040 21:33:25.870049  # [   34.113330] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000<6>[   37.860813] lkdtm: Performing direct entry EXEC_VMALLOC

 4041 21:33:25.874048  4

 4042 21:33:25.883357  # [   34.121589] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 <6>[   37.869806] lkdtm: attempting ok execution at ffffffffa157e9c0

 4043 21:33:25.886866  R15: ffff9e2583921000

 4044 21:33:25.896695  # [   34.129849] FS:  00007f78c25bf580(00<6>[   37.882842] lkdtm: attempting bad execution at ffffb1e200341000

 4045 21:33:25.903190  00) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 4046 21:33:25.913531  # [   34.1<2>[   37.895962] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4047 21:33:25.919305  <1>[   37.910785] BUG: unable to handle page fault for address: ffffb1e200341000

 4048 21:33:25.926174  <1>[   37.918752] #PF: supervisor instruction fetch in kernel mode

 4049 21:33:25.932911  <1>[   37.925361] #PF: error_code(0x0011) - permissions violation

 4050 21:33:25.943299  <6>[   37.931872] PGD 100000067 P4D 100000067 PUD 100245067 PMD 1009cc067 PTE 800000010530e063

 4051 21:33:25.945851  <4>[   37.941209] Oops: 0011 [#8] SMP PTI

 4052 21:33:25.955638  <4>[   37.945391] CPU: 0 PID: 1684 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4053 21:33:25.962613  <4>[   37.954330] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4054 21:33:25.969387  <4>[   37.961427] RIP: 0010:0xffffb1e200341000

 4055 21:33:25.976380  <4>[   37.966094] Code: Unable to access opcode bytes at RIP 0xffffb1e200340fd6.

 4056 21:33:25.982452  <4>[   37.974063] RSP: 0018:ffffb1e202477e38 EFLAGS: 00010246

 4057 21:33:25.989465  <4>[   37.980186] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4058 21:33:25.999740  <4>[   37.988467] RDX: 0000000000000000 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50

 4059 21:33:26.005978  <4>[   37.996727] RBP: ffffb1e200341000 R08: 0000000000000000 R09: 0000000000000000

 4060 21:33:26.015566  <4>[   38.004984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4061 21:33:26.022147  <4>[   38.013242] R13: ffffb1e202477f10 R14: ffffb1e202477f10 R15: ffff9e258530e000

 4062 21:33:26.032137  <4>[   38.021503] FS:  00007fa1035ae580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 4063 21:33:26.038527  <4>[   38.030822] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4064 21:33:26.048480  <4>[   38.037527] CR2: ffffb1e200340fd6 CR3: 0000000106830001 CR4: 00000000003706f0

 4065 21:33:26.051550  <4>[   38.045785] Call Trace:

 4066 21:33:26.054873  <4>[   38.048805]  ? __die_body.cold+0x1a/0x1f

 4067 21:33:26.058677  <4>[   38.053471]  ? no_context+0x177/0x380

 4068 21:33:26.065277  <4>[   38.057848]  ? exc_page_fault+0xd7/0x170

 4069 21:33:26.068774  <4>[   38.062522]  ? asm_exc_page_fault+0x1e/0x30

 4070 21:33:26.075417  <4>[   38.067486]  ? execute_location+0x45/0x56

 4071 21:33:26.078241  <4>[   38.072256]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4072 21:33:26.084753  <4>[   38.077213]  ? direct_entry.cold+0x2c/0x38

 4073 21:33:26.088645  <4>[   38.082077]  ? full_proxy_write+0x53/0x80

 4074 21:33:26.091367  <4>[   38.086848]  ? vfs_write+0xe7/0x3b0

 4075 21:33:26.098531  <4>[   38.091021]  ? ksys_write+0x68/0xf0

 4076 21:33:26.101891  <4>[   38.095203]  ? do_syscall_64+0x30/0x40

 4077 21:33:26.107940  <4>[   38.099668]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4078 21:33:26.160946  <4>[   38.105786] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 4079 21:33:26.163905  <4>[   38.158550] CR2: ffffb1e200341000

 4080 21:33:26.170776  <4>[   38.162538] ---[ end trace c17c1eb82cc650cd ]---

 4081 21:33:26.174348  <4>[   38.167973] RIP: 0010:lkdtm_BUG+0x5/0x10

 4082 21:33:26.197434  <4>[   38.172640] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 4083 21:33:26.200324  <4>[   38.193912] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 4084 21:33:26.210096  <4>[   38.200057] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4085 21:33:26.219635  <4>[   38.208316] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 4086 21:33:26.226634  <4>[   38.216575] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 4087 21:33:26.236472  <4>[   38.224835] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4088 21:33:26.243482  <4>[   38.233097] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 4089 21:33:26.252981  <4>[   38.241356] FS:  00007fa1035ae580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 4090 21:33:26.259422  <4>[   38.250685] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4091 21:33:26.266459  <4>[   38.257389] CR2: ffffb1e200340fd6 CR3: 0000000106830001 CR4: 00000000003706f0

 4092 21:33:26.272913  39177] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4093 21:33:26.282760  # [   34.145883] CR2: ffffb1e2019a0000 CR3: 0000000103c92005 CR4: 00000000003706e0

 4094 21:33:26.285986  # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok

 4095 21:33:26.293108  ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 4096 21:33:26.295970  # selftests: lkdtm: UNSET_SMEP.sh

 4097 21:33:26.299145  # [   34.238252] lkdtm: Performing direct entry UNSET_SMEP

 4098 21:33:26.305615  # [   34.247134] lkdtm: trying to clear SMEP normally

 4099 21:33:26.312214  # [   34.252611] ------------[ cut here ]------------

 4100 21:33:26.316099  # [   34.264268] pinned CR4 bits changed: 0x100000!?

 4101 21:33:26.325508  # [   34.269671] WARNING: CPU: 3 PID: 1049 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60

 4102 21:33:26.378211  # [   34.280176] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 4103 21:33:26.388334  # [   34.339142] CPU: 3 PID: 1049 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4104 21:33:26.394828  # [   34.348110] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4105 21:33:26.401354  # [   34.355209] RIP: 0010:native_write_cr4+0x45/0x60

 4106 21:33:26.422062  # [   34.360658] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 6a 50 86 02 00 75 f2 48 c7 c7 70 81 d1 a2 c6 05 5a 50 86 02 01 e8 8d c2 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 4107 21:33:26.428165  # [   34.381941] RSP: 0018:ffffb1e201a27e48 EFLAGS: 00010286

 4108 21:33:26.441262  # [   34.394285] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 00000000<6>[   38.432931] lkdtm: Performing direct entry EXEC_RODATA

 4109 21:33:26.448090  <6>[   38.439535] lkdtm: attempting ok execution at ffffffffa157e9c0

 4110 21:33:26.455038  <6>[   38.446349] lkdtm: attempting bad execution at ffffffffa2994740

 4111 21:33:26.464298  <2>[   38.453254] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4112 21:33:26.470807  <1>[   38.461909] BUG: unable to handle page fault for address: ffffffffa2994740

 4113 21:33:26.477113  <1>[   38.469880] #PF: supervisor instruction fetch in kernel mode

 4114 21:33:26.484499  <1>[   38.476480] #PF: error_code(0x0011) - permissions violation

 4115 21:33:26.487199  00<000000

 4116 21:33:26.497615  # [   34.402548] RDX: ffff9e25fadac620 RSI: ffff9e25fa6>[   38.482990] PGD 21e29067 P4D 21e29067 PUD 21e2a063 PMD 80000000216000e1 

 4117 21:33:26.503767  <4>[   38.496983] Oops: 0011 [#9] SMP PTI

 4118 21:33:26.510172  <4>[   38.501164] CPU: 2 PID: 1721 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4119 21:33:26.520603  <4>[   38.510103] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4120 21:33:26.523784  <4>[   38.517201] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4121 21:33:26.546841  <4>[   38.523229] Code: ff ff 5c 7c c4 a1 ff ff ff ff 02 ab e1 a2 ff ff ff ff a2 63 c4 a1 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

 4122 21:33:26.553479  <4>[   38.544490] RSP: 0018:ffffb1e20250fe48 EFLAGS: 00010246

 4123 21:33:26.559840  <4>[   38.550614] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4124 21:33:26.569892  <4>[   38.558873] RDX: 0000000000000000 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50

 4125 21:33:26.576505  <4>[   38.567131] RBP: ffffffffa2994740 R08: 0000000000000000 R09: 0000000000000000

 4126 21:33:26.586109  <4>[   38.575401] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4127 21:33:26.593292  <4>[   38.583661] R13: ffffb1e20250ff10 R14: ffffb1e20250ff10 R15: ffff9e258448c000

 4128 21:33:26.603424  <4>[   38.591920] FS:  00007f35c5c6f580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 4129 21:33:26.609309  <4>[   38.601247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4130 21:33:26.620002  <4>[   38.607951] CR2: ffffffffa2994740 CR3: 0000000103f7e003 CR4: 00000000003706e0

 4131 21:33:26.623235  <4>[   38.616211] Call Trace:

 4132 21:33:26.626323  <4>[   38.619231]  ? __die_body.cold+0x1a/0x1f

 4133 21:33:26.630153  <4>[   38.623901]  ? no_context+0x177/0x380

 4134 21:33:26.635772  <4>[   38.628296]  ? exc_page_fault+0xd7/0x170

 4135 21:33:26.639078  <4>[   38.632965]  ? asm_exc_page_fault+0x1e/0x30

 4136 21:33:26.645552  <4>[   38.637929]  ? execute_location+0x45/0x56

 4137 21:33:26.649302  <4>[   38.642694]  ? direct_entry.cold+0x2c/0x38

 4138 21:33:26.655611  <4>[   38.647556]  ? full_proxy_write+0x53/0x80

 4139 21:33:26.659911  <4>[   38.652313]  ? vfs_write+0xe7/0x3b0

 4140 21:33:26.662116  <4>[   38.656496]  ? ksys_write+0x68/0xf0

 4141 21:33:26.666257  <4>[   38.660670]  ? do_syscall_64+0x30/0x40

 4142 21:33:26.672149  <4>[   38.665143]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4143 21:33:26.676011  d9bf50 RDI: ffff9e25fad9bf50

 4144 21:33:26.731755  # [   34.410812] RBP: ffffffffa2e1<4>[   38.671261] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 4145 21:33:26.734557  <4>[   38.730245] CR2: ffffffffa2994740

 4146 21:33:26.741096  <4>[   38.734233] ---[ end trace c17c1eb82cc650ce ]---

 4147 21:33:26.744578  <4>[   38.739680] RIP: 0010:lkdtm_BUG+0x5/0x10

 4148 21:33:26.767538  <4>[   38.744348] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 4149 21:33:26.774345  <4>[   38.765618] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 4150 21:33:26.780957  <4>[   38.771741] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4151 21:33:26.791415  <4>[   38.780013] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 4152 21:33:26.797253  <4>[   38.788272] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 4153 21:33:26.807680  <4>[   38.796532] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4154 21:33:26.813965  <4>[   38.804792] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 4155 21:33:26.824108  <4>[   38.813052] FS:  00007f35c5c6f580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 4156 21:33:26.830221  <4>[   38.822369] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4157 21:33:26.840079  <4>[   38.829074] CR2: ffffffffa2994740 CR3: 0000000103f7e003 CR4: 00000000003706e0

 4158 21:33:26.850396  <3>[   38.837335] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4159 21:33:26.856637  <3>[   38.847528] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1721, name: cat

 4160 21:33:26.863220  <4>[   38.856274] INFO: lockdep is turned off.

 4161 21:33:26.866528  <4>[   38.860939] irq event stamp: 0

 4162 21:33:26.873264  <4>[   38.864635] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4163 21:33:26.883407  <4>[   38.871924] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 4164 21:33:26.892818  <4>[   38.881347] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 4165 21:33:26.899625  <4>[   38.890771] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4166 21:33:26.909343  <4>[   38.898060] CPU: 2 PID: 1721 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4167 21:33:26.916070  <4>[   38.906990] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4168 21:33:26.919611  <4>[   38.914085] Call Trace:

 4169 21:33:26.922556  <4>[   38.917103]  dump_stack+0x77/0x9b

 4170 21:33:26.929116  <4>[   38.921091]  ___might_sleep.cold+0xa6/0xb6

 4171 21:33:26.932688  <4>[   38.925954]  exit_signals+0x1c/0x300

 4172 21:33:26.935942  <4>[   38.930234]  do_exit+0xc2/0xab0

 4173 21:33:26.939430  <4>[   38.934028]  ? ksys_write+0x68/0xf0

 4174 21:33:26.945777  <4>[   38.938212]  make_task_dead+0x2f/0x30

 4175 21:33:26.949506  <4>[   38.942590]  rewind_stack_and_make_dead+0x17/0x20

 4176 21:33:26.956237  <4>[   38.948130] RIP: 0033:0x7f35c5b85473

 4177 21:33:26.975550  <4>[   38.952409] 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

 4178 21:33:26.985539  <4>[   38.973681] RSP: 002b:00007ffd6e518f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4179 21:33:26.991841  <4>[   38.982418] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f35c5b85473

 4180 21:33:27.001713  <4>[   38.990678] RDX: 000000000000000c RSI: 00007f35c5a79000 RDI: 0000000000000001

 4181 21:33:27.009252  <4>[   38.998936] RBP: 00007f35c5a79000 R08: 00007f35c5a78010 R09: 0000000000000000

 4182 21:33:27.018732  <4>[   39.007195] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4183 21:33:27.025620  <4>[   39.015453] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4184 21:33:27.032111  a78d R08: 0000000000000000 R09: 0000000000000000

 4185 21:33:27.038207  # [   34.419079] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4186 21:33:27.047931  # [   34.433555] R13: ffffb1e201a27f10 R14: ffffb1e201a27f10 R15: ffff9e2583f00000

 4187 21:33:27.054977  # [   34.448035] FS:  00007f5e3a66e580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 4188 21:33:27.061348  # [   34.463581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4189 21:33:27.071457  # [   34.470293] CR2: 00007f5e3a478000 CR3: 000000010595c003 CR4: 00000000003706e0

 4190 21:33:27.074374  # [   34.478580] Call Trace:

 4191 21:33:27.077746  # [   34.481625]  ? __warn+0x80/0x110

 4192 21:33:27.081573  # [   34.491730]  ? native_write_cr4+0x45/0x60

 4193 21:33:27.088238  # [   34.496530]  ? report_bug+0x9e/0xc0

 4194 21:33:27.090920  # [   34.500743]  ? handle_bug+0x41/0x90

 4195 21:33:27.094483  # [   34.504926]  ? exc_invalid_op+0x14/0x70

 4196 21:33:27.100758  # [   34.509501]  ? asm_exc_invalid_op+0x12/0x20

 4197 21:33:27.104177  # [   34.514509]  ? native_write_cr4+0x45/0x60

 4198 21:33:27.107425  # [   34.519285]  ? native_write_cr4+0x45/0x60

 4199 21:33:27.114067  # [   34.530263]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 4200 21:33:27.118049  # [   34.535451]  direct_entry.cold+0x2c/0x38

 4201 21:33:27.123997  # [   34.546336]  full_proxy_write+0x53/0x80

 4202 21:33:27.127864  # [   34.550941]  vfs_write+0xe7/0x3b0

 4203 21:33:27.130364  # [   34.554955]  ksys_write+0x68/0xf0

 4204 21:33:27.133960  # [   34.558972]  do_syscall_64+0x30/0x40

 4205 21:33:27.140754  # [   34.563279]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4206 21:33:27.143603  # [   34.569236] RIP: 0033:0x7f5e3a584473

 4207 21:33:27.166937  # [   34.573517] 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

 4208 21:33:27.174023  # [   34.594792] RSP: 002b:00007ffd3cfe2dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4209 21:33:27.183344  # [   34.603543] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5e3a584473

 4210 21:33:27.193084  # [   34.611805] RDX: 000000000000000b RSI: <6>[   39.182635] lkdtm: Performing direct entry EXEC_USERSPACE

 4211 21:33:27.199910  <6>[   39.191712] lkdtm: attempting ok execution at ffffffffa157e9c0

 4212 21:33:27.206348  <6>[   39.198558] lkdtm: attempting bad execution at 00007fadc28d4000

 4213 21:33:27.213066  <2>[   39.205500] unable to execute userspace code (SMEP?) (uid: 0)

 4214 21:33:27.223038  <1>[   39.212219] BUG: unable to handle page fault for address: 00007fadc28d4000

 4215 21:33:27.226148  00007f5e3a478000 RDI: 0000000000000001

 4216 21:33:27.236278  # [   34.620068] RBP: 00<1>[   39.220191] #PF: supervisor instruction fetch in kernel mode

 4217 21:33:27.242520  <1>[   39.233013] #PF: error_code(0x0011) - permissions violation

 4218 21:33:27.252377  <6>[   39.239526] PGD 80000001043e4067 P4D 80000001043e4067 PUD 10321f067 PMD 105bd1067 PTE 10729d067

 4219 21:33:27.255715  <4>[   39.249538] Oops: 0011 [#10] SMP PTI

 4220 21:33:27.265674  <4>[   39.253817] CPU: 3 PID: 1758 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4221 21:33:27.272485  <4>[   39.262756] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4222 21:33:27.275825  <4>[   39.269853] RIP: 0010:0x7fadc28d4000

 4223 21:33:27.282121  <4>[   39.274135] Code: Unable to access opcode bytes at RIP 0x7fadc28d3fd6.

 4224 21:33:27.289332  <4>[   39.281714] RSP: 0018:ffffb1e20259fe50 EFLAGS: 00010246

 4225 21:33:27.298589  <4>[   39.287837] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4226 21:33:27.305128  <4>[   39.296104] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 4227 21:33:27.314979  <4>[   39.304363] RBP: 00007fadc28d4000 R08: 0000000000000000 R09: 0000000000000000

 4228 21:33:27.322133  <4>[   39.312621] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 4229 21:33:27.332065  <4>[   39.320881] R13: ffffb1e20259ff10 R14: ffffb1e20259ff10 R15: ffff9e2584783000

 4230 21:33:27.341526  <4>[   39.329141] FS:  00007fadc28a5580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 4231 21:33:27.348436  <4>[   39.338468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4232 21:33:27.354574  <4>[   39.345172] CR2: 00007fadc28d4000 CR3: 0000000103e78004 CR4: 00000000003706e0

 4233 21:33:27.357887  <4>[   39.353431] Call Trace:

 4234 21:33:27.361235  <4>[   39.356451]  ? __die_body.cold+0x1a/0x1f

 4235 21:33:27.368030  <4>[   39.361120]  ? no_context+0x177/0x380

 4236 21:33:27.371144  <4>[   39.365489]  ? exc_page_fault+0x53/0x170

 4237 21:33:27.377692  <4>[   39.370158]  ? asm_exc_page_fault+0x1e/0x30

 4238 21:33:27.381131  <4>[   39.375121]  ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae

 4239 21:33:27.387928  <4>[   39.380758]  ? direct_entry.cold+0x2c/0x38

 4240 21:33:27.390790  <4>[   39.385621]  ? full_proxy_write+0x53/0x80

 4241 21:33:27.397552  <4>[   39.390387]  ? vfs_write+0xe7/0x3b0

 4242 21:33:27.400702  <4>[   39.394570]  ? ksys_write+0x68/0xf0

 4243 21:33:27.404234  <4>[   39.398743]  ? do_syscall_64+0x30/0x40

 4244 21:33:27.410865  <4>[   39.403208]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4245 21:33:27.418124  007f5e3a478000 R08: 00007f5e3a477010 R09: 0000000000000000

 4246 21:33:27.470404  # [ <4>[   39.409335] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 4247 21:33:27.473195  <4>[   39.468321] CR2: 00007fadc28d4000

 4248 21:33:27.480287  <4>[   39.472308] ---[ end trace c17c1eb82cc650cf ]---

 4249 21:33:27.483858  <4>[   39.477754] RIP: 0010:lkdtm_BUG+0x5/0x10

 4250 21:33:27.506416  <4>[   39.482422] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 4251 21:33:27.512978  <4>[   39.503701] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 4252 21:33:27.519349  <4>[   39.509825] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4253 21:33:27.529839  <4>[   39.518085] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 4254 21:33:27.536657  <4>[   39.526344] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 4255 21:33:27.546118  <4>[   39.534603] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4256 21:33:27.552674  <4>[   39.542862] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 4257 21:33:27.562755  <4>[   39.551122] FS:  00007fadc28a5580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 4258 21:33:27.568934  <4>[   39.560440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4259 21:33:27.575922  <4>[   39.567147] CR2: 00007fadc28d4000 CR3: 0000000103e78004 CR4: 00000000003706e0

 4260 21:33:27.585825    34.628331] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4261 21:33:27.592174  # [   34.636595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4262 21:33:27.595151  # [   34.644863] irq event stamp: 0

 4263 21:33:27.605501  # [   34.648587] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4264 21:33:27.611557  # [   34.662090] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 4265 21:33:27.621726  # [   34.671520] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 4266 21:33:27.628686  # [   34.680965] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4267 21:33:27.634685  # [   34.688268] ---[ end trace c17c1eb82cc650c9 ]---

 4268 21:33:27.641284  # [   34.699923] lkdtm: ok: SMEP did not get cleared

 4269 21:33:27.644985  # [   34.705273] lkdtm: trying to clear SMEP with call gadget

 4270 21:33:27.651122  # [   34.717714] lkdtm: ok: SMEP removal was reverted

 4271 21:33:27.657813  # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok

 4272 21:33:27.661547  ok 14 selftests: lkdtm: UNSET_SMEP.sh

 4273 21:33:27.665148  # selftests: lkdtm: DOUBLE_FAULT.sh

 4274 21:33:27.671663  # [   34.816492] lkdtm: Performing direct entry DOUBLE_FAULT

 4275 21:33:27.674429  # [   34.828731] lkdtm: XFAIL: this test is ia32-only

 4276 21:33:27.678450  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]

 4277 21:33:27.687925  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh <6>[   39.678449] lkdtm: Performing direct entry EXEC_NULL

 4278 21:33:27.694867  <6>[   39.686939] lkdtm: attempting ok execution at ffffffffa157e9c0

 4279 21:33:27.697376  # SKIP

 4280 21:33:27.701625  # selftests: lkdtm: CORRUPT_PAC.sh

 4281 21:33:27.707767  # [   34.921687] lkd<6>[   39.693751] lkdtm: attempting bad execution at 0000000000000000

 4282 21:33:27.713834  tm: Performing direct entry CORRUPT_PAC

 4283 21:33:27.724406  # [   34.933451] lkdtm:<1>[   39.706882] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4284 21:33:27.730292  <1>[   39.721141] #PF: supervisor instruction fetch in kernel mode

 4285 21:33:27.734619  <1>[   39.727753] #PF: error_code(0x0010) - not-present page

 4286 21:33:27.737412  <6>[   39.733780] PGD 0 P4D 0 

 4287 21:33:27.740800   XFAIL: this test is arm64-only

 4288 21:33:27.751014  # CORRUPT_PAC: saw 'XFAIL': [SK<4>[   39.736896] Oops: 0010 [#11] SMP PTI

 4289 21:33:27.756944  <4>[   39.747388] CPU: 1 PID: 1795 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4290 21:33:27.763893  <4>[   39.756333] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4291 21:33:27.766760  <4>[   39.763430] RIP: 0010:0x0

 4292 21:33:27.776971  <4>[   39.766643] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 4293 21:33:27.783577  <4>[   39.774613] RSP: 0018:ffffb1e202637e48 EFLAGS: 00010246

 4294 21:33:27.790587  <4>[   39.780729] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4295 21:33:27.800261  <4>[   39.788989] RDX: 0000000000000000 RSI: ffff9e25fac9bf50 RDI: ffff9e25fac9bf50

 4296 21:33:27.806429  <4>[   39.797249] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4297 21:33:27.817144  <4>[   39.805509] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4298 21:33:27.823079  <4>[   39.813769] R13: ffffb1e202637f10 R14: ffffb1e202637f10 R15: ffff9e2583270000

 4299 21:33:27.833422  <4>[   39.822029] FS:  00007f5db2614580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000

 4300 21:33:27.839579  <4>[   39.831357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4301 21:33:27.849112  <4>[   39.838063] CR2: ffffffffffffffd6 CR3: 0000000103904006 CR4: 00000000003706e0

 4302 21:33:27.852811  <4>[   39.846324] Call Trace:

 4303 21:33:27.855834  <4>[   39.849346]  ? __die_body.cold+0x1a/0x1f

 4304 21:33:27.855955  IP]

 4305 21:33:27.859364  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 4306 21:33:27.865596  # selftests:<4>[   39.854016]  ? no_context+0x177/0x380

 4307 21:33:27.872406  <4>[   39.864607]  ? exc_page_fault+0x53/0x170

 4308 21:33:27.875658   lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 4309 21:33:27.882502  # [   35.033447] lkdtm: P<4>[   39.869278]  ? asm_exc_page_fault+0x1e/0x30

 4310 21:33:27.885783  erforming direct entry UNALIGNED_LOAD_STORE_WRITE

 4311 21:33:27.892561  # [   35.0459<4>[   39.880453]  execute_location+0x45/0x56

 4312 21:33:27.898729  <4>[   39.891240]  direct_entry.cold+0x2c/0x38

 4313 21:33:27.902043  <4>[   39.895899]  full_proxy_write+0x53/0x80

 4314 21:33:27.912704  29] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCES<4>[   39.900473]  vfs_write+0xe7/0x3b0

 4315 21:33:27.915425  <4>[   39.910673]  ksys_write+0x68/0xf0

 4316 21:33:27.922054  <4>[   39.914653]  do_syscall_64+0x30/0x40

 4317 21:33:27.925031  <4>[   39.918923]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4318 21:33:27.931757  <4>[   39.924853] RIP: 0033:0x7f5db252a473

 4319 21:33:27.951836  <4>[   39.929132] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4320 21:33:27.961542  <4>[   39.950407] RSP: 002b:00007ffd9c57a798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4321 21:33:27.968281  <4>[   39.959152] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5db252a473

 4322 21:33:27.978036  <4>[   39.967413] RDX: 000000000000000a RSI: 00007f5db241e000 RDI: 0000000000000001

 4323 21:33:27.984884  <4>[   39.975673] RBP: 00007f5db241e000 R08: 00007f5db241d010 R09: 0000000000000000

 4324 21:33:27.994780  <4>[   39.983926] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4325 21:33:28.001193  <4>[   39.992187] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4326 21:33:28.001327  S

 4327 21:33:28.008018  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 4328 21:33:28.060646  ok 17 self<4>[   40.000451] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 4329 21:33:28.063843  <4>[   40.059405] CR2: 0000000000000000

 4330 21:33:28.070680  <4>[   40.063392] ---[ end trace c17c1eb82cc650d0 ]---

 4331 21:33:28.073570  <4>[   40.068837] RIP: 0010:lkdtm_BUG+0x5/0x10

 4332 21:33:28.096856  <4>[   40.073497] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 4333 21:33:28.103412  <4>[   40.094789] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 4334 21:33:28.110201  <4>[   40.100914] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4335 21:33:28.119829  <4>[   40.109175] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 4336 21:33:28.126634  <4>[   40.117434] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 4337 21:33:28.136335  <4>[   40.125695] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4338 21:33:28.142977  <4>[   40.133953] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 4339 21:33:28.153162  <4>[   40.142212] FS:  00007f5db2614580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000

 4340 21:33:28.159673  <4>[   40.151540] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4341 21:33:28.169394  <4>[   40.158247] CR2: ffffffffffffffd6 CR3: 0000000103904006 CR4: 00000000003706e0

 4342 21:33:28.179492  <3>[   40.166506] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4343 21:33:28.185855  <3>[   40.176707] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1795, name: cat

 4344 21:33:28.192491  <4>[   40.185453] INFO: lockdep is turned off.

 4345 21:33:28.195780  <4>[   40.190119] irq event stamp: 0

 4346 21:33:28.202544  <4>[   40.193814] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4347 21:33:28.212330  <4>[   40.201103] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 4348 21:33:28.222955  <4>[   40.210521] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 4349 21:33:28.229094  <4>[   40.219947] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4350 21:33:28.238669  <4>[   40.227237] CPU: 1 PID: 1795 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4351 21:33:28.245778  <4>[   40.236176] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4352 21:33:28.248636  <4>[   40.243270] Call Trace:

 4353 21:33:28.251721  <4>[   40.246289]  dump_stack+0x77/0x9b

 4354 21:33:28.258747  tests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 4355 21:33:28.261639  # selftests:<4>[   40.250279]  ___might_sleep.cold+0xa6/0xb6

 4356 21:33:28.268701  <4>[   40.261352]  exit_signals+0x1c/0x300

 4357 21:33:28.271676  <4>[   40.265634]  do_exit+0xc2/0xab0

 4358 21:33:28.274890  <4>[   40.269428]  ? ksys_write+0x68/0xf0

 4359 21:33:28.278665  <4>[   40.273603]  make_task_dead+0x2f/0x30

 4360 21:33:28.285387  <4>[   40.277980]  rewind_stack_and_make_dead+0x17/0x20

 4361 21:33:28.288189  <4>[   40.283520] RIP: 0033:0x7f5db252a473

 4362 21:33:28.311156  <4>[   40.287799] 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

 4363 21:33:28.317877  <4>[   40.309071] RSP: 002b:00007ffd9c57a798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4364 21:33:28.328375  <4>[   40.317816] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5db252a473

 4365 21:33:28.334614  <4>[   40.326074] RDX: 000000000000000a RSI: 00007f5db241e000 RDI: 0000000000000001

 4366 21:33:28.344654  <4>[   40.334335] RBP: 00007f5db241e000 R08: 00007f5db241d010 R09: 0000000000000000

 4367 21:33:28.351243  <4>[   40.342595] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4368 21:33:28.360612  <4>[   40.350855] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4369 21:33:28.364433   lkdtm: OVERWRITE_ALLOCATION.sh

 4370 21:33:28.371032  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 4371 21:33:28.373887  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 4372 21:33:28.380562  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 4373 21:33:28.383895  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 4374 21:33:28.390601  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 4375 21:33:28.393790  # selftests: lkdtm: READ_AFTER_FREE.sh

 4376 21:33:28.400796  # [   35.200530] lkdtm: Performing direct entry READ_AFTER_FREE

 4377 21:33:28.407107  # [   35.209401] lkdtm: Value in memory before free: 12345678

 4378 21:33:28.413479  # [   35.215683] lkdtm: Attempting bad read from freed memory

 4379 21:33:28.417005  # [   35.221923] lkdtm: Memory was not poisoned

 4380 21:33:28.423684  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 4381 21:33:28.427416  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 4382 21:33:28.433600  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh

 4383 21:33:28.436746  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure

 4384 21:33:28.443670  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP

 4385 21:33:28.449775  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 4386 21:33:28.456951  # [   35.344405] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 4387 21:33:28.460228  # [   35.351947] lkdtm: Value in memory before free: 12345678

 4388 21:33:28.466404  # [   35.358220] lkdtm: Attempting to read from freed memory

 4389 21:33:28.473552  # [   35.364379] lkdtm: Buddy page was not poisoned

 4390 21:33:28.479466  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 4391 21:33:28.486566  not ok 22 <6>[   40.474540] lkdtm: Performing direct entry ACCESS_USERSPACE

 4392 21:33:28.493018  <6>[   40.483766] lkdtm: attempting bad read at 00007f2144eab000

 4393 21:33:28.496620  selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 4394 21:33:28.506065  # selftests<1>[   40.490226] BUG: unable to handle page fault for address: 00007f2144eab000

 4395 21:33:28.509074  : lkdtm: SLAB_FREE_DOUBLE.sh

 4396 21:33:28.519003  # [   35.459756] lkdtm: Performing<1>[   40.504402] #PF: supervisor read access in kernel mode

 4397 21:33:28.526162  <1>[   40.516644] #PF: error_code(0x0001) - permissions violation

 4398 21:33:28.529012   d<irect entry SLAB_FREE_DOUBLE

 4399 21:33:28.542477  # [   35.469502] lkdtm: Attempti6>[   40.523158] PGD 80000001039c9067 P4D 80000001039c9067 PUD 106193067 PMD 102bb8067 PTE 107284067

 4400 21:33:28.545682  <4>[   40.539386] Oops: 0001 [#12] SMP PTI

 4401 21:33:28.555744  <4>[   40.543666] CPU: 3 PID: 1831 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4402 21:33:28.562312  <4>[   40.552607] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4403 21:33:28.568848  <4>[   40.559697] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4404 21:33:28.588502  <4>[   40.566209] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 20 b8 e1 a2 e8 5c d7 fb ff 48 c7 c7 48 b8 e1 a2 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 43 d7 fb ff 48 89 ee 48 c7 c7 70 b8 e1

 4405 21:33:28.594823  <4>[   40.587478] RSP: 0018:ffffb1e2026c7e48 EFLAGS: 00010246

 4406 21:33:28.605320  <4>[   40.593602] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000

 4407 21:33:28.611672  <4>[   40.601861] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa2e1b848

 4408 21:33:28.621907  <4>[   40.610112] RBP: 00007f2144eab000 R08: 0000000000000000 R09: 0000000000000000

 4409 21:33:28.628434  <4>[   40.618372] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011

 4410 21:33:28.638358  <4>[   40.626632] R13: ffffb1e2026c7f10 R14: ffffb1e2026c7f10 R15: ffff9e25849a5000

 4411 21:33:28.644607  <4>[   40.634884] FS:  00007f2144e7c580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 4412 21:33:28.651299  <4>[   40.644210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4413 21:33:28.661052  <4>[   40.650916] CR2: 00007f2144eab000 CR3: 000000010480a003 CR4: 00000000003706e0

 4414 21:33:28.664561  <4>[   40.659176] Call Trace:

 4415 21:33:28.667827  <4>[   40.662195]  ? __die_body.cold+0x1a/0x1f

 4416 21:33:28.674489  <4>[   40.666865]  ? no_context+0x177/0x380

 4417 21:33:28.677414  <4>[   40.671243]  ? exc_page_fault+0x53/0x170

 4418 21:33:28.684629  <4>[   40.675913]  ? asm_exc_page_fault+0x1e/0x30

 4419 21:33:28.687417  <4>[   40.680892]  ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4420 21:33:28.694317  <4>[   40.686726]  ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3

 4421 21:33:28.697408  <4>[   40.692560]  direct_entry.cold+0x2c/0x38

 4422 21:33:28.704126  <4>[   40.697230]  full_proxy_write+0x53/0x80

 4423 21:33:28.707094  <4>[   40.701802]  vfs_write+0xe7/0x3b0

 4424 21:33:28.711431  <4>[   40.705792]  ksys_write+0x68/0xf0

 4425 21:33:28.717324  <4>[   40.709781]  do_syscall_64+0x30/0x40

 4426 21:33:28.720324  <4>[   40.714061]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4427 21:33:28.727255  <4>[   40.719989] RIP: 0033:0x7f2144d92473

 4428 21:33:28.747408  <4>[   40.724268] 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

 4429 21:33:28.756826  <4>[   40.745531] RSP: 002b:00007fff57cfe868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4430 21:33:28.763606  <4>[   40.754273] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f2144d92473

 4431 21:33:28.773287  <4>[   40.762533] RDX: 0000000000000011 RSI: 00007f2144c86000 RDI: 0000000000000001

 4432 21:33:28.780103  <4>[   40.770806] RBP: 00007f2144c86000 R08: 00007f2144c85010 R09: 0000000000000000

 4433 21:33:28.789872  <4>[   40.779066] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4434 21:33:28.797064  <4>[   40.787325] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4435 21:33:28.799563  ng double slab free ...

 4436 21:33:28.855708  # SLAB_FREE_DOUBLE: missing 'call trace<4>[   40.795590] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 4437 21:33:28.858815  <4>[   40.854568] CR2: 00007f2144eab000

 4438 21:33:28.865779  <4>[   40.858556] ---[ end trace c17c1eb82cc650d1 ]---

 4439 21:33:28.868973  <4>[   40.863994] RIP: 0010:lkdtm_BUG+0x5/0x10

 4440 21:33:28.892212  <4>[   40.868662] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 4441 21:33:28.899084  <4>[   40.889933] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 4442 21:33:28.905047  <4>[   40.896056] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4443 21:33:28.915129  <4>[   40.904315] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 4444 21:33:28.921819  <4>[   40.912589] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 4445 21:33:28.931914  <4>[   40.920853] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4446 21:33:28.938738  <4>[   40.929112] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 4447 21:33:28.948106  <4>[   40.937371] FS:  00007f2144e7c580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 4448 21:33:28.954580  <4>[   40.946699] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4449 21:33:28.965287  <4>[   40.953405] CR2: 00007f2144eab000 CR3: 000000010480a003 CR4: 00000000003706e0

 4450 21:33:28.965384  :': [FAIL]

 4451 21:33:28.971155  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 4452 21:33:28.974648  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 4453 21:33:28.980856  # [   35.577171] lkdtm: Performing direct entry SLAB_FREE_CROSS

 4454 21:33:28.988311  # [   35.587199] lkdtm: Attempting cross-cache slab free ...

 4455 21:33:28.990791  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 4456 21:33:28.997447  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 4457 21:33:29.000745  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 4458 21:33:29.007423  # [   35.696705] lkdtm: Performing direct entry SLAB_FREE_PAGE

 4459 21:33:29.014191  # [   35.705385] lkdtm: Attempting non-Slab slab free ...

 4460 21:33:29.017748  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 4461 21:33:29.023893  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 4462 21:33:29.026894  # selftests: lkdtm: SOFTLOCKUP.sh

 4463 21:33:29.030338  # Skipping SOFTLOCKUP: Hangs the system

 4464 21:33:29.034133  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 4465 21:33:29.036811  # selftests: lkdtm: HARDLOCKUP.sh

 4466 21:33:29.043340  # Skipping HARDLOCKUP: Hangs the system

 4467 21:33:29.046897  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP

 4468 21:33:29.050277  # selftests: lkdtm: SPINLOCKUP.sh

 4469 21:33:29.053698  # Skipping SPINLOCKUP: Hangs the system

 4470 21:33:29.056952  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP

 4471 21:33:29.060120  # selftests: lkdtm: HUNG_TASK.sh

 4472 21:33:29.066721  # Skipping HUNG_TASK: Hangs the system

 4473 21:33:29.070317  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP

 4474 21:33:29.074096  # selftests: lkdtm: EXEC_DATA.sh

 4475 21:33:29.074214  # Killed

 4476 21:33:29.079980  # [   35.917<6>[   41.072259] lkdtm: Performing direct entry ACCESS_NULL

 4477 21:33:29.086603  900] lkdtm: Performing direct entry EXEC_DATA

 4478 21:33:29.093524  # [   35.928409] <6>[   41.079627] lkdtm: attempting bad read at 0000000000000000

 4479 21:33:29.100303  lkdtm: attempting ok execution at ffffffffa157e9c0

 4480 21:33:29.109484  # [   35.935<1>[   41.092269] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4481 21:33:29.113289  <1>[   41.106531] #PF: supervisor read access in kernel mode

 4482 21:33:29.119520  <1>[   41.112557] #PF: error_code(0x0000) - not-present page

 4483 21:33:29.122918  <6>[   41.118584] PGD 0 P4D 0 

 4484 21:33:29.126513  <4>[   41.121700] Oops: 0000 [#13] SMP PTI

 4485 21:33:29.135961  <4>[   41.125979] CPU: 0 PID: 1867 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4486 21:33:29.142755  <4>[   41.134918] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4487 21:33:29.149231  <4>[   41.142017] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 4488 21:33:29.169262  <4>[   41.147565] Code: 00 d7 fb ff be 00 10 00 00 48 89 ef e8 79 10 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 20 b8 e1 a2 e8 da d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 48 b8 e1 a2 48 01

 4489 21:33:29.175627  <4>[   41.168835] RSP: 0018:ffffb1e202757e58 EFLAGS: 00010246

 4490 21:33:29.185807  <4>[   41.174949] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 4491 21:33:29.192455  <4>[   41.183207] RDX: 0000000000000000 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50

 4492 21:33:29.201963  <4>[   41.191466] RBP: ffffffffa2e1a911 R08: 0000000000000000 R09: 0000000000000000

 4493 21:33:29.209050  <4>[   41.199725] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4494 21:33:29.218605  <4>[   41.207984] R13: ffffb1e202757f10 R14: ffffb1e202757f10 R15: ffff9e25869f6000

 4495 21:33:29.228472  <4>[   41.216244] FS:  00007f1604184580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 4496 21:33:29.235364  <4>[   41.225572] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4497 21:33:29.241723  <4>[   41.232277] CR2: 0000000000000000 CR3: 0000000103c84006 CR4: 00000000003706f0

 4498 21:33:29.245025  <4>[   41.240536] Call Trace:

 4499 21:33:29.248556  <4>[   41.243556]  ? __die_body.cold+0x1a/0x1f

 4500 21:33:29.255239  <4>[   41.248231]  ? no_context+0x177/0x380

 4501 21:33:29.258148  <4>[   41.252616]  ? exc_page_fault+0x53/0x170

 4502 21:33:29.264888  <4>[   41.257290]  ? asm_exc_page_fault+0x1e/0x30

 4503 21:33:29.268106  <4>[   41.262251]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4504 21:33:29.274929  <4>[   41.267119]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4505 21:33:29.277968  <4>[   41.271981]  direct_entry.cold+0x2c/0x38

 4506 21:33:29.284685  <4>[   41.276642]  full_proxy_write+0x53/0x80

 4507 21:33:29.288116  <4>[   41.281219]  vfs_write+0xe7/0x3b0

 4508 21:33:29.291013  <4>[   41.285213]  ksys_write+0x68/0xf0

 4509 21:33:29.294666  <4>[   41.289202]  do_syscall_64+0x30/0x40

 4510 21:33:29.301108  <4>[   41.293481]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4511 21:33:29.304519  <4>[   41.299404] RIP: 0033:0x7f160409a473

 4512 21:33:29.327406  <4>[   41.303684] 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

 4513 21:33:29.334484  <4>[   41.324955] RSP: 002b:00007ffdcc7a8b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4514 21:33:29.344069  <4>[   41.333701] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f160409a473

 4515 21:33:29.350605  <4>[   41.341959] RDX: 000000000000000c RSI: 00007f1603f8e000 RDI: 0000000000000001

 4516 21:33:29.360589  <4>[   41.350218] RBP: 00007f1603f8e000 R08: 00007f1603f8d010 R09: 0000000000000000

 4517 21:33:29.367256  <4>[   41.358479] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4518 21:33:29.377384  <4>[   41.366737] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4519 21:33:29.429590  <4>[   41.375001] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 4520 21:33:29.432855  <4>[   41.427765] CR2: 0000000000000000

 4521 21:33:29.439524  <4>[   41.431754] ---[ end trace c17c1eb82cc650d2 ]---

 4522 21:33:29.442753  <4>[   41.437192] RIP: 0010:lkdtm_BUG+0x5/0x10

 4523 21:33:29.463393  <4>[   41.441860] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 4524 21:33:29.469985  <4>[   41.463123] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 4525 21:33:29.479777  <4>[   41.469238] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4526 21:33:29.486374  <4>[   41.477496] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 4527 21:33:29.496080  <4>[   41.485747] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 4528 21:33:29.503148  <4>[   41.494006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4529 21:33:29.513203  <4>[   41.502266] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 4530 21:33:29.523145  <4>[   41.510525] FS:  00007f1604184580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 4531 21:33:29.529323  <4>[   41.519852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4532 21:33:29.535823  <4>[   41.526559] CR2: 0000000000000000 CR3: 0000000103c84006 CR4: 00000000003706f0

 4533 21:33:29.545637  <3>[   41.534817] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4534 21:33:29.555831  <3>[   41.545021] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1867, name: cat

 4535 21:33:29.559700  <4>[   41.553755] INFO: lockdep is turned off.

 4536 21:33:29.562205  <4>[   41.558421] irq event stamp: 0

 4537 21:33:29.572341  <4>[   41.562118] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4538 21:33:29.582607  <4>[   41.569406] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 4539 21:33:29.588596  <4>[   41.578831] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 4540 21:33:29.598796  <4>[   41.588255] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4541 21:33:29.605421  <4>[   41.595546] CPU: 0 PID: 1867 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4542 21:33:29.611638  <4>[   41.604484] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4543 21:33:29.615060  <4>[   41.611578] Call Trace:

 4544 21:33:29.621485  <4>[   41.614596]  dump_stack+0x77/0x9b

 4545 21:33:29.625561  <4>[   41.618592]  ___might_sleep.cold+0xa6/0xb6

 4546 21:33:29.628752  <4>[   41.623457]  exit_signals+0x1c/0x300

 4547 21:33:29.634691  <4>[   41.627742]  do_exit+0xc2/0xab0

 4548 21:33:29.638012  <4>[   41.631537]  ? ksys_write+0x68/0xf0

 4549 21:33:29.641356  <4>[   41.635711]  make_task_dead+0x2f/0x30

 4550 21:33:29.648275  <4>[   41.640088]  rewind_stack_and_make_dead+0x17/0x20

 4551 21:33:29.652006  <4>[   41.645620] RIP: 0033:0x7f160409a473

 4552 21:33:29.674789  <4>[   41.649900] 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

 4553 21:33:29.681116  <4>[   41.671161] RSP: 002b:00007ffdcc7a8b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4554 21:33:29.690922  <4>[   41.679907] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f160409a473

 4555 21:33:29.697659  <4>[   41.688165] RDX: 000000000000000c RSI: 00007f1603f8e000 RDI: 0000000000000001

 4556 21:33:29.707564  <4>[   41.696425] RBP: 00007f1603f8e000 R08: 00007f1603f8d010 R09: 0000000000000000

 4557 21:33:29.714413  <4>[   41.704676] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4558 21:33:29.723917  <4>[   41.712935] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4559 21:33:29.727548  247] lkdtm: attempting bad execution at ffffffffa4825e40

 4560 21:33:29.737325  # [   35.942155] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4561 21:33:29.744324  # [   35.950829] BUG: unable to handle page fault for address: ffffffffa4825e40

 4562 21:33:29.750474  # [   35.965013] #PF: supervisor instruction fetch in kernel mode

 4563 21:33:29.756997  # [   35.971624] #PF: error_code(0x0011) - permissions violation

 4564 21:33:29.766989  # [   35.978153] PGD 21e29067 P4D 21e29067 PUD 21e2a063 PMD 80000000236000e3 

 4565 21:33:29.770291  # [   35.985939] Oops: 0011 [#5] SMP PTI

 4566 21:33:29.777059  # [   35.996332] CPU: 3 PID: 1573 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4567 21:33:29.786879  # [   36.005273] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4568 21:33:29.790167  # [   36.012370] RIP: 0010:data_area+0x0/0x40

 4569 21:33:29.810287  # [   36.017053] Code: ff ff 00 52 d0 84 25 9e ff ff 00 51 d0 84 25 9e 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

 4570 21:33:29.816504  # [   36.038323] RSP: 0018:ffffb1e2022bfe48 EFLAGS: 00010246

 4571 21:33:29.826262  # [   36.044448] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4572 21:33:29.833069  # [   36.052708] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 4573 21:33:29.842894  # [   36.060966] RBP: ffffffffa4825e40 R08: 0000000000000000 R09: 0000000000000000

 4574 21:33:29.849774  # [   36.069226] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4575 21:33:29.859624  # [   36.077485] R13: ffffb1e2022bff10 R14: ffffb1e2022bff10 R15: ffff9e258256a000

 4576 21:33:29.866136  # [   36.085745] FS:  00007fb66c736580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 4577 21:33:29.872764  # [   36.095072] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4578 21:33:29.882727  # [   36.101777] CR2: ffffffffa4825e40 CR3: 0000000104738006 CR4: 00000000003706e0

 4579 21:33:29.888894  # [   36.110037] Call Trac<6>[   41.876967] lkdtm: Performing direct entry WRITE_RO

 4580 21:33:29.899209  <6>[   41.888543] lkdtm: attempting bad rodata write at ffffffffa2994730

 4581 21:33:29.905730  <1>[   41.895766] BUG: unable to handle page fault for address: ffffffffa2994730

 4582 21:33:29.912064  <1>[   41.903739] #PF: supervisor write access in kernel mode

 4583 21:33:29.918653  <1>[   41.909865] #PF: error_code(0x0003) - permissions violation

 4584 21:33:29.925252  <6>[   41.916376] PGD 21e29067 P4D 21e29067 PUD 21e2a063 PMD 80000000216000e1 

 4585 21:33:29.925354  e:

 4586 21:33:29.932199  # [   36.113056]  ? __die_body.cold+0x1a/0x1f

 4587 21:33:29.935055  # [   36.1177<4>[   41.924155] Oops: 0003 [#14] SMP PTI

 4588 21:33:29.945491  <4>[   41.934647] CPU: 2 PID: 1903 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4589 21:33:29.952165  <4>[   41.943588] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4590 21:33:29.954889  24<]  ? no_context+0x177/0x380

 4591 21:33:29.965176  # [   36.122094]  ? exc_page_faul4>[   41.950679] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 4592 21:33:29.984708  <4>[   41.962145] Code: 00 48 c7 c7 00 b7 e1 a2 48 c7 c6 30 47 99 a2 e8 84 d9 fb ff 48 8b 05 43 e0 d4 00 ba 34 12 cd ab 48 c7 c7 30 b7 e1 a2 48 31 d0 <48> 89 05 2d e0 d4 00 e9 62 d9 fb ff 0f 1f 44 00 00 48 8b 05 3c ac

 4593 21:33:29.991504  <4>[   41.983418] RSP: 0018:ffffb1e20280fe60 EFLAGS: 00010202

 4594 21:33:30.001205  <4>[   41.989542] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 4595 21:33:30.007895  <4>[   41.997802] RDX: 00000000abcd1234 RSI: ffff9e25fad1bf50 RDI: ffffffffa2e1b730

 4596 21:33:30.017688  <4>[   42.006061] RBP: ffffffffa2e1a91d R08: 0000000000000000 R09: 0000000000000000

 4597 21:33:30.024061  <4>[   42.014321] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 4598 21:33:30.034120  <4>[   42.022581] R13: ffffb1e20280ff10 R14: ffffb1e20280ff10 R15: ffff9e2585953000

 4599 21:33:30.040884  <4>[   42.030842] FS:  00007f6cc7d69580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 4600 21:33:30.047276  <4>[   42.040170] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4601 21:33:30.057681  <4>[   42.046875] CR2: ffffffffa2994730 CR3: 00000001044de004 CR4: 00000000003706e0

 4602 21:33:30.060897  <4>[   42.055138] Call Trace:

 4603 21:33:30.064183  <4>[   42.058158]  ? __die_body.cold+0x1a/0x1f

 4604 21:33:30.071025  <4>[   42.062828]  ? no_context+0x177/0x380

 4605 21:33:30.074058  <4>[   42.067208]  ? exc_page_fault+0xd7/0x170

 4606 21:33:30.077395  <4>[   42.071876]  ? asm_exc_page_fault+0x1e/0x30

 4607 21:33:30.084552  <4>[   42.076829]  ? lkdtm_WRITE_RO+0x2e/0x3a

 4608 21:33:30.086995  <4>[   42.081401]  direct_entry.cold+0x2c/0x38

 4609 21:33:30.094681  <4>[   42.086071]  full_proxy_write+0x53/0x80

 4610 21:33:30.097528  <4>[   42.090643]  vfs_write+0xe7/0x3b0

 4611 21:33:30.100752  <4>[   42.094631]  ksys_write+0x68/0xf0

 4612 21:33:30.103740  <4>[   42.098619]  do_syscall_64+0x30/0x40

 4613 21:33:30.109804  <4>[   42.102889]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4614 21:33:30.113666  <4>[   42.108819] RIP: 0033:0x7f6cc7c7f473

 4615 21:33:30.136710  <4>[   42.113098] 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

 4616 21:33:30.146448  <4>[   42.134369] RSP: 002b:00007ffeec405178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4617 21:33:30.153070  <4>[   42.143114] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f6cc7c7f473

 4618 21:33:30.162627  <4>[   42.151375] RDX: 0000000000000009 RSI: 00007f6cc7b73000 RDI: 0000000000000001

 4619 21:33:30.169737  <4>[   42.159633] RBP: 00007f6cc7b73000 R08: 00007f6cc7b72010 R09: 0000000000000000

 4620 21:33:30.179573  <4>[   42.167894] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4621 21:33:30.186244  <4>[   42.176152] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4622 21:33:30.186357  t+0xd7/0x170

 4623 21:33:30.192593  # [   36.126780]  ? asm_exc_page_fault+0x1e/0x30

 4624 21:33:30.245212  <4>[   42.184414] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 4625 21:33:30.248669  <4>[   42.243401] CR2: ffffffffa2994730

 4626 21:33:30.255498  <4>[   42.247380] ---[ end trace c17c1eb82cc650d3 ]---

 4627 21:33:30.258586  <4>[   42.252825] RIP: 0010:lkdtm_BUG+0x5/0x10

 4628 21:33:30.281683  <4>[   42.257493] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 4629 21:33:30.285281  <4>[   42.278764] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 4630 21:33:30.295177  <4>[   42.284887] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4631 21:33:30.301866  <4>[   42.293147] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 4632 21:33:30.311730  <4>[   42.301407] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 4633 21:33:30.318249  <4>[   42.309667] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4634 21:33:30.328079  <4>[   42.317927] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 4635 21:33:30.338063  <4>[   42.326187] FS:  00007f6cc7d69580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 4636 21:33:30.344469  <4>[   42.335515] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4637 21:33:30.351185  <4>[   42.342221] CR2: ffffffffa2994730 CR3: 00000001044de004 CR4: 00000000003706e0

 4638 21:33:30.357865  # [   36.131763]  ? execute_location+0x45/0x56

 4639 21:33:30.361342  # [   36.136529]  ? direct_entry.cold+0x2c/0x38

 4640 21:33:30.367506  # [   36.141391]  ? full_proxy_write+0x53/0x80

 4641 21:33:30.370742  # [   36.146157]  ? vfs_write+0xe7/0x3b0

 4642 21:33:30.373868  # [   36.150330]  ? ksys_write+0x68/0xf0

 4643 21:33:30.377603  # [   36.154513]  ? do_syscall_64+0x30/0x40

 4644 21:33:30.383816  # [   36.158986]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4645 21:33:30.436836  # [   36.165112] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 4646 21:33:30.440302  # [   36.224097] CR2: ffffffffa4825e40

 4647 21:33:30.446299  # [   36.228074] ---[ end trace c17c1eb82cc650ca ]---

 4648 21:33:30.449628  # [   36.233521] RIP: 0010:lkdtm_BUG+0x5/0x10

 4649 21:33:30.472925  # [   36.238189] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 4650 21:33:30.479172  # [   36.259459] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 4651 21:33:30.486378  # [   36.265584] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4652 21:33:30.496038  # [   36.273844] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 4653 21:33:30.502826  # [   36.282103] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 4654 21:33:30.512805  # [   36.290379] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4655 21:33:30.519323  # [   36.298639] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 4656 21:33:30.528898  # [   36.306900] FS:  00007fb66c736580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 4657 21:33:30.535772  # [   36.316219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4658 21:33:30.545203  # [   36.322924] CR2: ffffffffa4825e4<6>[   42.531097] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 4659 21:33:30.552090  <6>[   42.543801] lkdtm: attempting bad ro_after_init write at ffffffffa2ea1350

 4660 21:33:30.561900  <1>[   42.551733] BUG: unable to handle page fault for address: ffffffffa2ea1350

 4661 21:33:30.565295  0 CR3: 0000000104738006 CR4: 00000000003706e0

 4662 21:33:30.574918  # [   36.331185] <1>[   42.559712] #PF: supervisor write access in kernel mode

 4663 21:33:30.581692  <1>[   42.572049] #PF: error_code(0x0003) - permissions violation

 4664 21:33:30.588359  <6>[   42.578562] PGD 21e29067 P4D 21e29067 PUD 21e2a063 PMD 104ec0063 PTE 8000000021ca1061

 4665 21:33:30.594922  <4>[   42.587603] Oops: 0003 [#15] SMP PTI

 4666 21:33:30.601637  <4>[   42.591873] CPU: 2 PID: 1939 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4667 21:33:30.608220  <4>[   42.600813] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4668 21:33:30.614510  <4>[   42.607912] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 4669 21:33:30.637875  <4>[   42.614231] Code: b7 e1 a2 e9 36 d9 fb ff 48 c7 c7 88 b7 e1 a2 e8 2a d9 fb ff 48 8b 05 09 ac 25 01 ba 34 12 cd ab 48 c7 c7 30 b7 e1 a2 48 31 d0 <48> 89 05 f3 ab 25 01 e9 08 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 4670 21:33:30.644777  <4>[   42.635503] RSP: 0018:ffffb1e202877e60 EFLAGS: 00010202

 4671 21:33:30.651414  <4>[   42.641626] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 4672 21:33:30.661590  <4>[   42.649887] RDX: 00000000abcd1234 RSI: ffff9e25fad1bf50 RDI: ffffffffa2e1b730

 4673 21:33:30.667106  <4>[   42.658146] RBP: ffffffffa2e1a926 R08: 0000000000000000 R09: 0000000000000000

 4674 21:33:30.677280  <4>[   42.666406] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 4675 21:33:30.683942  <4>[   42.674667] R13: ffffb1e202877f10 R14: ffffb1e202877f10 R15: ffff9e2584139000

 4676 21:33:30.693428  <4>[   42.682927] FS:  00007f314019a580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 4677 21:33:30.700054  <4>[   42.692254] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4678 21:33:30.709891  <4>[   42.698963] CR2: ffffffffa2ea1350 CR3: 00000001045f8005 CR4: 00000000003706e0

 4679 21:33:30.713670  <4>[   42.707222] Call Trace:

 4680 21:33:30.716777  <4>[   42.710242]  ? __die_body.cold+0x1a/0x1f

 4681 21:33:30.720584  <4>[   42.714911]  ? no_context+0x177/0x380

 4682 21:33:30.726556  <4>[   42.719290]  ? exc_page_fault+0xd7/0x170

 4683 21:33:30.729930  <4>[   42.723960]  ? asm_exc_page_fault+0x1e/0x30

 4684 21:33:30.737020  <4>[   42.728921]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 4685 21:33:30.740267  <4>[   42.734562]  direct_entry.cold+0x2c/0x38

 4686 21:33:30.747040  <4>[   42.739230]  full_proxy_write+0x53/0x80

 4687 21:33:30.749815  <4>[   42.743804]  vfs_write+0xe7/0x3b0

 4688 21:33:30.753141  <4>[   42.747792]  ksys_write+0x68/0xf0

 4689 21:33:30.756484  <4>[   42.751780]  do_syscall_64+0x30/0x40

 4690 21:33:30.763239  <4>[   42.756060]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4691 21:33:30.769528  <4>[   42.761982] RIP: 0033:0x7f31400b0473

 4692 21:33:30.789607  <4>[   42.766260] 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

 4693 21:33:30.799568  <4>[   42.787533] RSP: 002b:00007ffe2b4bf8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4694 21:33:30.806136  <4>[   42.796280] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f31400b0473

 4695 21:33:30.816122  <4>[   42.804539] RDX: 0000000000000014 RSI: 00007f313ffa4000 RDI: 0000000000000001

 4696 21:33:30.822179  <4>[   42.812798] RBP: 00007f313ffa4000 R08: 00007f313ffa3010 R09: 0000000000000000

 4697 21:33:30.832017  <4>[   42.821058] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4698 21:33:30.838777  <4>[   42.829320] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4699 21:33:30.899133  BUG: sleeping function called from invalid context at include/li<4>[   42.837582] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 4700 21:33:30.901820  <4>[   42.896571] CR2: ffffffffa2ea1350

 4701 21:33:30.908064  <4>[   42.900558] ---[ end trace c17c1eb82cc650d4 ]---

 4702 21:33:30.911777  <4>[   42.906003] RIP: 0010:lkdtm_BUG+0x5/0x10

 4703 21:33:30.934623  <4>[   42.910671] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 4704 21:33:30.941878  <4>[   42.931944] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 4705 21:33:30.948154  <4>[   42.938067] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4706 21:33:30.957704  <4>[   42.946326] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 4707 21:33:30.964631  <4>[   42.954602] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 4708 21:33:30.973856  <4>[   42.962862] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4709 21:33:30.980645  <4>[   42.971123] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 4710 21:33:30.990628  <4>[   42.979385] FS:  00007f314019a580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 4711 21:33:30.997677  <4>[   42.988714] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4712 21:33:31.003935  <4>[   42.995418] CR2: ffffffffa2ea1350 CR3: 00000001045f8005 CR4: 00000000003706e0

 4713 21:33:31.017473  <3>[   43.003678] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4714 21:33:31.024105  <3>[   43.013882] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1939, name: cat

 4715 21:33:31.030626  <4>[   43.022628] INFO: lockdep is turned off.

 4716 21:33:31.033431  <4>[   43.027295] irq event stamp: 0

 4717 21:33:31.040590  <4>[   43.031003] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4718 21:33:31.050625  <4>[   43.038294] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 4719 21:33:31.059490  <4>[   43.047720] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 4720 21:33:31.066409  <4>[   43.057145] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4721 21:33:31.076767  <4>[   43.064434] CPU: 2 PID: 1939 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4722 21:33:31.082946  <4>[   43.073374] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4723 21:33:31.086563  <4>[   43.080470] Call Trace:

 4724 21:33:31.089354  <4>[   43.083489]  dump_stack+0x77/0x9b

 4725 21:33:31.092735  <4>[   43.087477]  ___might_sleep.cold+0xa6/0xb6

 4726 21:33:31.099586  <4>[   43.092342]  exit_signals+0x1c/0x300

 4727 21:33:31.102956  <4>[   43.096621]  do_exit+0xc2/0xab0

 4728 21:33:31.106230  <4>[   43.100416]  ? ksys_write+0x68/0xf0

 4729 21:33:31.109540  <4>[   43.104588]  make_task_dead+0x2f/0x30

 4730 21:33:31.116331  <4>[   43.108984]  rewind_stack_and_make_dead+0x17/0x20

 4731 21:33:31.119104  <4>[   43.114543] RIP: 0033:0x7f31400b0473

 4732 21:33:31.142174  <4>[   43.118825] 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

 4733 21:33:31.148945  <4>[   43.140090] RSP: 002b:00007ffe2b4bf8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4734 21:33:31.158908  <4>[   43.148838] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f31400b0473

 4735 21:33:31.165594  <4>[   43.157100] RDX: 0000000000000014 RSI: 00007f313ffa4000 RDI: 0000000000000001

 4736 21:33:31.175194  <4>[   43.165359] RBP: 00007f313ffa4000 R08: 00007f313ffa3010 R09: 0000000000000000

 4737 21:33:31.182269  <4>[   43.173620] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4738 21:33:31.192756  <4>[   43.181882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4739 21:33:31.195269  nux/percpu-rwsem.h:49

 4740 21:33:31.202049  # [   36.341387] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1573, name: cat

 4741 21:33:31.208506  # [   36.350132] INFO: lockdep is turned off.

 4742 21:33:31.211634  # [   36.354797] irq event stamp: 0

 4743 21:33:31.218548  # [   36.358492] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4744 21:33:31.228209  # [   36.365780] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 4745 21:33:31.238381  # [   36.375212] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 4746 21:33:31.244852  # [   36.384637] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4747 21:33:31.251577  # [   36.391925] CPU: 3 PID: 1573 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4748 21:33:31.261503  # [   36.400863] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4749 21:33:31.261698  # [   36.407956] Call Trace:

 4750 21:33:31.267618  # [   36.410973]  dump_stack+0x77/0x9b

 4751 21:33:31.271494  # [   36.414953]  ___might_sleep.cold+0xa6/0xb6

 4752 21:33:31.274516  # [   36.419808]  exit_signals+0x1c/0x300

 4753 21:33:31.277715  # [   36.424097]  do_exit+0xc2/0xab0

 4754 21:33:31.284425  # [   36.427891]  ? ksys_write+0x68/0xf0

 4755 21:33:31.287711  # [   36.432078]  make_task_dead+0x2f/0x30

 4756 21:33:31.294214  # [   36.436454]  rewind_stack_and_make_dead+0x17/0x20

 4757 21:33:31.297355  # [   36.442000] RIP: 0033:0x7fb66c64c473

 4758 21:33:31.317879  # [   36.446279] 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

 4759 21:33:31.326940  # [   36.467551] RSP: 002b:00007ffeb063ed98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4760 21:33:31.334117  # [   36.476296] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb66c64c473

 4761 21:33:31.346997  # [   36.484555] RDX: 000000000000000a RSI: 00007fb66c540000 <6>[   43.338283] lkdtm: Performing direct entry WRITE_KERN

 4762 21:33:31.353488  <6>[   43.345314] lkdtm: attempting bad 7109799 byte write at ffffffffa1c46667

 4763 21:33:31.363900  <1>[   43.353131] BUG: unable to handle page fault for address: ffffffffa1c46667

 4764 21:33:31.370256  <1>[   43.361111] #PF: supervisor write access in kernel mode

 4765 21:33:31.376377  <1>[   43.367238] #PF: error_code(0x0003) - permissions violation

 4766 21:33:31.376562  RDI<: 0000000000000001

 4767 21:33:31.389893  # [   36.492812] RBP: 00007fb66c540000 R06>[   43.373750] PGD 21e29067 P4D 21e29067 PUD 21e2a063 PMD 20a000e1 

 4768 21:33:31.392931  <4>[   43.386969] Oops: 0003 [#16] SMP PTI

 4769 21:33:31.403202  <4>[   43.391252] CPU: 2 PID: 1975 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4770 21:33:31.409704  <4>[   43.400194] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4771 21:33:31.413287  8: <00007fb66c53f010 R09: 0000000000000000

 4772 21:33:31.419799  # [   36.501072] R10:4>[   43.407293] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 4773 21:33:31.442728  <4>[   43.418955] Code: 53 48 c7 c3 67 66 c4 a1 49 89 dc 48 89 da 49 81 ec c0 e9 57 a1 4c 89 e6 e8 dd d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 c0 e9 57 a1 <f3> a4 48 c7 c7 30 b7 e1 a2 e8 c2 d8 fb ff 5b 41 5c e9 b7 fe ff ff

 4774 21:33:31.448987  <4>[   43.440228] RSP: 0018:ffffb1e202907e50 EFLAGS: 00010246

 4775 21:33:31.455743  <4>[   43.446353] RAX: 000000000000003c RBX: ffffffffa1c46667 RCX: 00000000006c7ca7

 4776 21:33:31.465580  <4>[   43.454613] RDX: 0000000000000000 RSI: ffffffffa157e9c0 RDI: ffffffffa1c46667

 4777 21:33:31.472314  <4>[   43.462874] RBP: ffffffffa2e1a93a R08: 0000000000000000 R09: 0000000000000000

 4778 21:33:31.482364  <4>[   43.471135] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c7ca7

 4779 21:33:31.488813  <4>[   43.479394] R13: ffffb1e202907f10 R14: ffffb1e202907f10 R15: ffff9e2583245000

 4780 21:33:31.498713  <4>[   43.487653] FS:  00007f5655a68580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 4781 21:33:31.506895  <4>[   43.496982] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4782 21:33:31.515481  <4>[   43.503689] CR2: ffffffffa1c46667 CR3: 0000000105b02002 CR4: 00000000003706e0

 4783 21:33:31.515700  <4>[   43.511948] Call Trace:

 4784 21:33:31.521671  <4>[   43.514968]  ? __die_body.cold+0x1a/0x1f

 4785 21:33:31.525515  <4>[   43.519639]  ? no_context+0x177/0x380

 4786 21:33:31.531378  <4>[   43.524018]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4787 21:33:31.535262  <4>[   43.529754]  ? exc_page_fault+0xd7/0x170

 4788 21:33:31.541687  <4>[   43.534425]  ? asm_exc_page_fault+0x1e/0x30

 4789 21:33:31.548204  <4>[   43.539386]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4790 21:33:31.551287  <4>[   43.545124]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 4791 21:33:31.558205  <4>[   43.550276]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4792 21:33:31.561906  <4>[   43.556012]  ? lkdtm_WRITE_KERN+0x38/0x4e

 4793 21:33:31.568554  <4>[   43.560778]  direct_entry.cold+0x2c/0x38

 4794 21:33:31.571607  <4>[   43.565448]  full_proxy_write+0x53/0x80

 4795 21:33:31.575120  <4>[   43.570020]  vfs_write+0xe7/0x3b0

 4796 21:33:31.581703  <4>[   43.574009]  ksys_write+0x68/0xf0

 4797 21:33:31.584808  <4>[   43.577987]  do_syscall_64+0x30/0x40

 4798 21:33:31.591254  <4>[   43.582267]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4799 21:33:31.594964  <4>[   43.588199] RIP: 0033:0x7f565597e473

 4800 21:33:31.614649  <4>[   43.592479] 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

 4801 21:33:31.623947  <4>[   43.613742] RSP: 002b:00007fff378fe938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4802 21:33:31.634429  <4>[   43.622488] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f565597e473

 4803 21:33:31.640099  <4>[   43.630747] RDX: 000000000000000b RSI: 00007f5655872000 RDI: 0000000000000001

 4804 21:33:31.650720  <4>[   43.639008] RBP: 00007f5655872000 R08: 00007f5655871010 R09: 0000000000000000

 4805 21:33:31.656951  <4>[   43.647267] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4806 21:33:31.666948  <4>[   43.655525] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4807 21:33:31.673354   fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4808 21:33:31.726307  #<4>[   43.663788] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 4809 21:33:31.729357  <4>[   43.722775] CR2: ffffffffa1c46667

 4810 21:33:31.732573  <4>[   43.726762] ---[ end trace c17c1eb82cc650d5 ]---

 4811 21:33:31.739140  <4>[   43.732205] RIP: 0010:lkdtm_BUG+0x5/0x10

 4812 21:33:31.759124  <4>[   43.736871] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 4813 21:33:31.765793  <4>[   43.758141] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 4814 21:33:31.775810  <4>[   43.764289] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4815 21:33:31.781968  <4>[   43.772548] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 4816 21:33:31.792492  <4>[   43.780808] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 4817 21:33:31.798216  <4>[   43.789067] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4818 21:33:31.808522  <4>[   43.797326] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 4819 21:33:31.818592  <4>[   43.805586] FS:  00007f5655a68580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 4820 21:33:31.826079  <4>[   43.814913] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4821 21:33:31.831326  <4>[   43.821619] CR2: ffffffffa1c46667 CR3: 0000000105b02002 CR4: 00000000003706e0

 4822 21:33:31.841434   [   36.509330] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4823 21:33:31.844401  # EXEC_DATA: saw 'call trace:': ok

 4824 21:33:31.847928  ok 30 selftests: lkdtm: EXEC_DATA.sh

 4825 21:33:31.851241  # selftests: lkdtm: EXEC_STACK.sh

 4826 21:33:31.851380  # Killed

 4827 21:33:31.857454  # [   36.616920] lkdtm: Performing direct entry EXEC_STACK

 4828 21:33:31.864511  # [   36.623009] lkdtm: attempting ok execution at ffffffffa157e9c0

 4829 21:33:31.870912  # [   36.629823] lkdtm: attempting bad execution at ffffb1e20236fe18

 4830 21:33:31.877858  # [   36.636730] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4831 21:33:31.887904  # [   36.645385] BUG: unable to handle page fault for address: ffffb1e20236fe18

 4832 21:33:31.893888  # [   36.653356] #PF: supervisor instruction fetch in kernel mode

 4833 21:33:31.900588  # [   36.659969] #PF: error_code(0x0011) - permissions violation

 4834 21:33:31.910454  # [   36.666481] PGD 100000067 P4D 100000067 PUD 100245067 PMD 1046d9067 PTE 8000000103f67063

 4835 21:33:31.913645  # [   36.682028] Oops: 0011 [#6] SMP PTI

 4836 21:33:31.920664  # [   36.686203] CPU: 3 PID: 1610 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4837 21:33:31.930727  # [   36.695143] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4838 21:33:31.934288  # [   36.702238] RIP: 0010:0xffffb1e20236fe18

 4839 21:33:31.953626  # [   36.706896] Code: 00 00 18 fe 36 02 e2 b1 ff ff bd 66 c4 a1 ff ff ff ff 20 00 00 00 00 00 00 00 b6 a8 e1 a2 ff ff ff ff ec 67 c4 a1 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

 4840 21:33:31.963292  # [   36.728<6>[   43.952737] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 4841 21:33:31.967847  167] RSP: 0018:ffffb1e20236fdf8 EFLAGS: 00010246

 4842 21:33:31.976849  # [   36.73429<6>[   43.961251] lkdtm: attempting good refcount_inc() without overflow

 4843 21:33:31.990010  2] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 000000000000<6>[   43.974671] lkdtm: attempting bad refcount_inc() overflow

 4844 21:33:31.990131  0000

 4845 21:33:31.999887  # [   36.742542] RDX: 0000000000000000 RSI: ffff9e25fad9bf<4>[   43.987200] ------------[ cut here ]------------

 4846 21:33:32.006008  <4>[   43.998862] refcount_t: saturated; leaking memory.

 4847 21:33:32.009234  50 RDI: ffff9e25fad9bf50

 4848 21:33:32.022949  # [   36.750802] RBP: ffffb1e20236fe18<4>[   44.004535] WARNING: CPU: 1 PID: 2011 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 4849 21:33:32.026204   R08: 0000000000000000 R09: 0000000000000000

 4850 21:33:32.082279  # [   36.759062] R<4>[   44.020433] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 4851 21:33:32.095193  10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b<4>[   44.079416] CPU: 1 PID: 2011 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4852 21:33:32.095357  

 4853 21:33:32.108883  # [   36.767322] R13: ffffb1e20236ff10 R14: ffffb1e20236ff10 R<4>[   44.094574] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4854 21:33:32.111627  15: ffff9e25859bc000

 4855 21:33:32.121134  # [   36.775581] FS:  00007fc4787af580(000<4>[   44.107920] RIP: 0010:refcount_warn_saturate+0x51/0x110

 4856 21:33:32.128038  0) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 4857 21:33:32.151408  # [   36.78<4>[   44.120259] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 d7 a2 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7

 4858 21:33:32.154223  4909] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4859 21:33:32.160663  # [   3<4>[   44.147756] RSP: 0018:ffffb1e20297fe48 EFLAGS: 00010286

 4860 21:33:32.170745  <4>[   44.160095] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 4861 21:33:32.184011  6.791616] CR2: ffffb1e20236fe18 CR3: 0000000105b02004 CR4: 00000<4>[   44.168359] RDX: ffff9e25facac620 RSI: ffff9e25fac9bf50 RDI: ffff9e25fac9bf50

 4862 21:33:32.194000  <4>[   44.182831] RBP: ffffffffa2e1a945 R08: 0000000000000000 R09: 0000000000000000

 4863 21:33:32.194103  000003706e0

 4864 21:33:32.196957  # [   36.799875] Call Trace:

 4865 21:33:32.206898  # [   36.802896]  ? _<4>[   44.191118] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 4866 21:33:32.210148  _die_body.cold+0x1a/0x1f

 4867 21:33:32.220422  # [   36.807565]  ? no_context+0x177/0<4>[   44.205570] R13: ffffb1e20297ff10 R14: ffffb1e20297ff10 R15: ffff9e25869a4000

 4868 21:33:32.229909  <4>[   44.220048] FS:  00007fe8d2e4d580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000

 4869 21:33:32.233306  x380

 4870 21:33:32.236351  # [   36.811945]  ? exc_page_fault+0xd7/0x170

 4871 21:33:32.243378  # [   36.81<4>[   44.229379] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4872 21:33:32.253717  <4>[   44.242300] CR2: 00007fe8d2c57000 CR3: 0000000105a38002 CR4: 00000000003706e0

 4873 21:33:32.256624  6613]  ? asm_exc_page_fault+0x1e/0x30

 4874 21:33:32.263129  # [   36.821577]  ? execu<4>[   44.250562] Call Trace:

 4875 21:33:32.263241  te_location+0x45/0x56

 4876 21:33:32.273460  # [   36.826343]  ? lkdtm_EXEC_STACK+0x26<4>[   44.259814]  ? __warn+0x80/0x110

 4877 21:33:32.276574  <4>[   44.269903]  ? refcount_warn_saturate+0x51/0x110

 4878 21:33:32.279432  /0x44

 4879 21:33:32.283192  # [   36.831099]  ? direct_entry.cold+0x2c/0x38

 4880 21:33:32.285680  # [   36<4>[   44.275354]  ? report_bug+0x9e/0xc0

 4881 21:33:32.292763  .835962]  ? full_proxy_write+0x53/0x80

 4882 21:33:32.299526  # [   36.840728]  ? vfs_<4>[   44.285750]  ? handle_bug+0x41/0x90

 4883 21:33:32.302568  <4>[   44.296150]  ? exc_invalid_op+0x14/0x70

 4884 21:33:32.305667  write+0xe7/0x3b0

 4885 21:33:32.309187  # [   36.844910]  ? ksys_write+0x68/0xf0

 4886 21:33:32.312252  # [ <4>[   44.300727]  ? asm_exc_invalid_op+0x12/0x20

 4887 21:33:32.319139    36.849091]  ? do_syscall_64+0x30/0x40

 4888 21:33:32.325665  # [   36.853566]  ? ent<4>[   44.311902]  ? refcount_warn_saturate+0x51/0x110

 4889 21:33:32.331994  <4>[   44.323561]  ? refcount_warn_saturate+0x51/0x110

 4890 21:33:32.335130  ry_SYSCALL_64_after_hwframe+0x62/0xc7

 4891 21:33:32.342583  # [   36.859683] Modules <4>[   44.329011]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 4892 21:33:32.354895  linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros<4>[   44.340862]  direct_entry.cold+0x2c/0x38

 4893 21:33:32.364725  _ec_sensors_core industrialio_triggered_buffer kfifo_buf industr<4>[   44.351767]  full_proxy_write+0x53/0x80

 4894 21:33:32.374495  ialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightb<4>[   44.362556]  vfs_write+0xe7/0x3b0

 4895 21:33:32.384588  ar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l<4>[   44.372764]  ksys_write+0x68/0xf0

 4896 21:33:32.387584  <4>[   44.382970]  do_syscall_64+0x30/0x40

 4897 21:33:32.401866  2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros<4>[   44.387278]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4898 21:33:32.404360  <4>[   44.399420] RIP: 0033:0x7fe8d2d63473

 4899 21:33:32.434175  _ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd<4>[   44.403702] 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

 4900 21:33:32.447183  _soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros<4>[   44.431188] RSP: 002b:00007ffc893be998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4901 21:33:32.457001  <4>[   44.446150] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe8d2d63473

 4902 21:33:32.470503  _usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pst<4>[   44.454415] RDX: 0000000000000016 RSI: 00007fe8d2c57000 RDI: 0000000000000001

 4903 21:33:32.480113  <4>[   44.468889] RBP: 00007fe8d2c57000 R08: 00007fe8d2c56010 R09: 0000000000000000

 4904 21:33:32.486944  <4>[   44.477152] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4905 21:33:32.487068  ore

 4906 21:33:32.490002  # [   36.918665] CR2: ffffb1e20236fe18

 4907 21:33:32.500297  # [   36.922653] --<4>[   44.485416] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4908 21:33:32.507181  -[ end trace c17c1eb82cc650cb ]---

 4909 21:33:32.509889  # [   36.928090] RIP: 0010:l<4>[   44.499894] irq event stamp: 0

 4910 21:33:32.520126  <4>[   44.509806] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4911 21:33:32.520252  kdtm_BUG+0x5/0x10

 4912 21:33:32.533222  # [   36.932774] Code: 89 ff e8 4e c3 79 ff 4<4>[   44.517102] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 4913 21:33:32.549691  8 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48<4>[   44.532743] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 4914 21:33:32.556555  <4>[   44.548386] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4915 21:33:32.569374   c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 0<4>[   44.555679] ---[ end trace c17c1eb82cc650d6 ]---

 4916 21:33:32.576467  <6>[   44.567337] lkdtm: Overflow detected: saturated

 4917 21:33:32.579349  0 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 4918 21:33:32.585692  # [   36.954056] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 4919 21:33:32.592619  # [   36.966392] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4920 21:33:32.602695  # [   36.974669] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 4921 21:33:32.609088  # [   36.982938] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 4922 21:33:32.619100  # [   36.997410] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4923 21:33:32.625547  # [   37.005667] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 4924 21:33:32.635978  # [   37.013926] FS:  00007fc4787af580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 4925 21:33:32.642335  # [   37.023253] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4926 21:33:32.648472  # [   37.029959] CR2: ffffb1e20236fe18 CR3: 0000000105b02004 CR4: 00000000003706e0

 4927 21:33:32.652572  # EXEC_STACK: saw 'call trace:': ok

 4928 21:33:32.658389  ok 31 selftests: lkdtm: EXEC_STACK.sh

 4929 21:33:32.661851  # selftests: lkdtm: EXEC_KMALLOC.sh

 4930 21:33:32.661937  # Killed

 4931 21:33:32.668545  # [   37.136730] lkdtm: Performing direct entry EXEC_KMALLOC

 4932 21:33:32.674739  # [   37.143854] lkdtm: attempting ok execution at ffffffffa157e9c0

 4933 21:33:32.688393  # [   37.150678] lkdtm: attempting bad execution at ffff9e25<6>[   44.677898] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 4934 21:33:32.688479  85358980

 4935 21:33:32.701788  # [   37.163814] kernel tried to execute NX-protected <6>[   44.685359] lkdtm: attempting good refcount_add() without overflow

 4936 21:33:32.704763  page - exploit attempt? (uid: 0)

 4937 21:33:32.714534  # [   37.172468] BUG: unable t<6>[   44.698795] lkdtm: attempting bad refcount_add() overflow

 4938 21:33:32.717742  o handle page fault for address: ffff9e2585358980

 4939 21:33:32.725279  # [   37.1866<4>[   44.711308] ------------[ cut here ]------------

 4940 21:33:32.731275  51] #PF: supervisor instruction fetch in kernel mode

 4941 21:33:32.738010  # [   37.1<4>[   44.722971] refcount_t: saturated; leaking memory.

 4942 21:33:32.741510  93251] #PF: error_code(0x0011) - permissions violation

 4943 21:33:32.754584  # [   37<4>[   44.734855] WARNING: CPU: 1 PID: 2044 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 4944 21:33:32.810051  .199762] PGD 23801067 P4D 23801067 PUD 10084d063 PMD 1058af063 P<4>[   44.750760] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 4945 21:33:32.813462  TE 8000000105358063

 4946 21:33:32.816972  # [   37.208899] Oops: 0011 [#7] SMP PTI

 4947 21:33:32.826837  #<4>[   44.809750] CPU: 1 PID: 2044 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4948 21:33:32.839592   [   37.213080] CPU: 3 PID: 1647 Comm: cat Tainted: G      D W  <4>[   44.824878] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4949 21:33:32.846764  <4>[   44.838191] RIP: 0010:refcount_warn_saturate+0x51/0x110

 4950 21:33:32.849706         5.10.212-cip44 #1

 4951 21:33:32.872635  # [   37.222020] Hardware name: Google<4>[   44.844344] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 d7 a2 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7

 4952 21:33:32.879353  <4>[   44.871830] RSP: 0018:ffffb1e2029e7e48 EFLAGS: 00010286

 4953 21:33:32.882462   Rammus/Rammus, BIOS  09/04/2020

 4954 21:33:32.893269  # [   37.229117] RIP: 0010:0xf<4>[   44.877983] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 4955 21:33:32.903032  <4>[   44.892456] RDX: ffff9e25facac620 RSI: ffff9e25fac9bf50 RDI: ffff9e25fac9bf50

 4956 21:33:32.903153  fff9e2585358980

 4957 21:33:32.915989  # [   37.233785] Code: 00 00 02 00 00 00 00 00 <4>[   44.900720] RBP: ffffffffa2e1a95b R08: 0000000000000000 R09: 0000000000000000

 4958 21:33:32.925998  <4>[   44.915194] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 4959 21:33:32.932363  <4>[   44.923458] R13: ffffb1e2029e7f10 R14: ffffb1e2029e7f10 R15: ffff9e2583d52000

 4960 21:33:32.948715  00 00 00 86 35 85 25 9e ff ff 04 00 00 00 00 00 00 00 00 00 00 0<4>[   44.931722] FS:  00007f6ea870d580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000

 4961 21:33:32.962188  0 00 00 00 00 cb f9 af a0 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc <4>[   44.947265] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4962 21:33:32.971505  <4>[   44.960189] CR2: 00007f6ea8517000 CR3: 0000000105952002 CR4: 00000000003706e0

 4963 21:33:32.975115  cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4964 21:33:32.978178  # [   37.255055] RSP:<4>[   44.968454] Call Trace:

 4965 21:33:32.984723   0018:ffffb1e2023ffe38 EFLAGS: 00010246

 4966 21:33:32.988255  # [   37.261179] RAX: 0<4>[   44.977690]  ? __warn+0x80/0x110

 4967 21:33:32.994753  000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4968 21:33:33.001669  # [<4>[   44.987796]  ? refcount_warn_saturate+0x51/0x110

 4969 21:33:33.011639     37.269439] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: f<4>[   44.999458]  ? report_bug+0x9e/0xc0

 4970 21:33:33.014678  fff9e25fad9bf50

 4971 21:33:33.021737  # [   37.277699] RBP: ffff9e2585358980 R08: 000<4>[   45.009859]  ? handle_bug+0x41/0x90

 4972 21:33:33.025030  0000000000000 R09: 0000000000000000

 4973 21:33:33.031331  # [   37.285959] R10: 00000<4>[   45.020257]  ? exc_invalid_op+0x14/0x70

 4974 21:33:33.038194  000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4975 21:33:33.044384  # [   3<4>[   45.031048]  ? asm_exc_invalid_op+0x12/0x20

 4976 21:33:33.054224  7.294243] R13: ffffb1e2023fff10 R14: ffffb1e2023fff10 R15: ffff9<4>[   45.042233]  ? refcount_warn_saturate+0x51/0x110

 4977 21:33:33.057760  e2584023000

 4978 21:33:33.067797  # [   37.302502] FS:  00007fd1ef097580(0000) GS:fff<4>[   45.053894]  ? refcount_warn_saturate+0x51/0x110

 4979 21:33:33.070680  f9e25fad80000(0000) knlGS:0000000000000000

 4980 21:33:33.080939  # [   37.311828] CS:<4>[   45.065556]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 4981 21:33:33.084303    0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4982 21:33:33.090451  # [   37.318534]<4>[   45.077413]  direct_entry.cold+0x2c/0x38

 4983 21:33:33.100955   CR2: ffff9e2585358980 CR3: 0000000103e7e005 CR4: 00000000003706<4>[   45.088301]  full_proxy_write+0x53/0x80

 4984 21:33:33.101048  e0

 4985 21:33:33.103881  # [   37.326793] Call Trace:

 4986 21:33:33.111087  # [   37.329812]  ? __die_body<4>[   45.099090]  vfs_write+0xe7/0x3b0

 4987 21:33:33.114146  .cold+0x1a/0x1f

 4988 21:33:33.117312  # [   37.334480]  ? no_context+0x177/0x380

 4989 21:33:33.120740  # [<4>[   45.109295]  ksys_write+0x68/0xf0

 4990 21:33:33.127104     37.338867]  ? exc_page_fault+0xd7/0x170

 4991 21:33:33.130420  # [   37.343545]  ? <4>[   45.119501]  do_syscall_64+0x30/0x40

 4992 21:33:33.137390  <4>[   45.129997]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4993 21:33:33.140303  asm_exc_page_fault+0x1e/0x30

 4994 21:33:33.146917  # [   37.354722]  ? execute_locati<4>[   45.135933] RIP: 0033:0x7f6ea8623473

 4995 21:33:33.169656  <4>[   45.146424] 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

 4996 21:33:33.169787  on+0x45/0x56

 4997 21:33:33.176648  # [   37.365701]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 4998 21:33:33.183341  <4>[   45.167702] RSP: 002b:00007ffd5470ba48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4999 21:33:33.192904  <4>[   45.182661] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6ea8623473

 5000 21:33:33.196574  # [   37.370659]  ? direct_entry.cold+0x2c/0x38

 5001 21:33:33.206068  # [   37.375523<4>[   45.190925] RDX: 0000000000000016 RSI: 00007f6ea8517000 RDI: 0000000000000001

 5002 21:33:33.209746  ]  ? full_proxy_write+0x53/0x80

 5003 21:33:33.223304  # [   37.380288]  ? vfs_write+0<4>[   45.205400] RBP: 00007f6ea8517000 R08: 00007f6ea8516010 R09: 0000000000000000

 5004 21:33:33.229826  <4>[   45.219879] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5005 21:33:33.229913  xe7/0x3b0

 5006 21:33:33.236163  # [   37.384470]  ? ksys_write+0x68/0xf0

 5007 21:33:33.245991  # [   37.38<4>[   45.228144] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5008 21:33:33.249266  8644]  ? do_syscall_64+0x30/0x40

 5009 21:33:33.256115  # [   37.393116]  ? entry_SYSC<4>[   45.242621] irq event stamp: 0

 5010 21:33:33.256244  ALL_64_after_hwframe+0x62/0xc7

 5011 21:33:33.268704  # [   37.399242] Modules linked <4>[   45.252535] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5012 21:33:33.282305  in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sen<4>[   45.266087] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5013 21:33:33.292021  <4>[   45.281727] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5014 21:33:33.305296  sors_core industrialio_triggered_buffer kfifo_buf industrialio u<4>[   45.291157] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5015 21:33:33.311942  <4>[   45.304659] ---[ end trace c17c1eb82cc650d7 ]---

 5016 21:33:33.321682  vcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros<6>[   45.310107] lkdtm: Overflow detected: saturated

 5017 21:33:33.354569  _usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 5018 21:33:33.357997  # [   37.458227] CR2: ffff9e2585358980

 5019 21:33:33.365076  # [   37.462215] ---[ end trace c17c1eb82cc650cc ]---

 5020 21:33:33.368114  # [   37.467659] RIP: 0010:lkdtm_BUG+0x5/0x10

 5021 21:33:33.387899  # [   37.472316] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 5022 21:33:33.394248  # [   37.493589] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 5023 21:33:33.404432  # [   37.499716] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 5024 21:33:33.410782  # [   37.507977] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 5025 21:33:33.420516  # [   37.516238] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 5026 21:33:33.427213  # [   37.524498] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5027 21:33:33.443543  # [   37.532758] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583<6>[   45.430836] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 5028 21:33:33.450405  <6>[   45.441457] lkdtm: attempting bad refcount_inc_not_zero() overflow

 5029 21:33:33.456999  <4>[   45.448684] ------------[ cut here ]------------

 5030 21:33:33.457102  921000

 5031 21:33:33.466374  # [   37.541018] FS:  00007fd1ef097580(0000) GS:ffff9e25<4>[   45.454134] refcount_t: saturated; leaking memory.

 5032 21:33:33.476772  <4>[   45.466019] WARNING: CPU: 3 PID: 2077 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5033 21:33:33.479865  fad80000(0000) knlGS:0000000000000000

 5034 21:33:33.536198  # [   37.550346] CS:  001<4>[   45.475749] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 5035 21:33:33.546265  <4>[   45.534702] CPU: 3 PID: 2077 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5036 21:33:33.552788  <4>[   45.543677] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5037 21:33:33.555538  0 DS: 0000 ES: 0000 CR0: 0000000080050033

 5038 21:33:33.565532  # [   37.557052] CR2:<4>[   45.550780] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5039 21:33:33.585637  <4>[   45.563121] Code: 02 01 e8 5e 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 a2 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7

 5040 21:33:33.592128  <4>[   45.584395] RSP: 0018:ffffb1e202a3fe38 EFLAGS: 00010282

 5041 21:33:33.602367  <4>[   45.590521] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5042 21:33:33.608936  <4>[   45.598802] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 5043 21:33:33.618589  <4>[   45.607101] RBP: ffffffffa2e1a598 R08: 0000000000000000 R09: 0000000000000000

 5044 21:33:33.625086  <4>[   45.615387] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5045 21:33:33.635884  <4>[   45.623648] R13: ffffb1e202a3ff10 R14: ffffb1e202a3ff10 R15: ffff9e2583270000

 5046 21:33:33.641392  <4>[   45.631913] FS:  00007f104d531580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 5047 21:33:33.651421  <4>[   45.641243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5048 21:33:33.658368  <4>[   45.647952] CR2: 00007f104d33b000 CR3: 0000000105952001 CR4: 00000000003706e0

 5049 21:33:33.661136  <4>[   45.656213] Call Trace:

 5050 21:33:33.664880  <4>[   45.659236]  ? __warn+0x80/0x110

 5051 21:33:33.671361  <4>[   45.663134]  ? refcount_warn_saturate+0x97/0x110

 5052 21:33:33.674515  <4>[   45.668581]  ? report_bug+0x9e/0xc0

 5053 21:33:33.678048  <4>[   45.672768]  ? handle_bug+0x41/0x90

 5054 21:33:33.684099  <4>[   45.676954]  ? exc_invalid_op+0x14/0x70

 5055 21:33:33.687557  <4>[   45.681527]  ? asm_exc_invalid_op+0x12/0x20

 5056 21:33:33.694078  <4>[   45.686493]  ? refcount_warn_saturate+0x97/0x110

 5057 21:33:33.701285  <4>[   45.691971]  ? refcount_warn_saturate+0x97/0x110

 5058 21:33:33.704229  <4>[   45.697418]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5059 21:33:33.710677  <4>[   45.703835]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 5060 21:33:33.717083  <4>[   45.710349]  direct_entry.cold+0x2c/0x38

 5061 21:33:33.720632  <4>[   45.715022]  full_proxy_write+0x53/0x80

 5062 21:33:33.724366  <4>[   45.719620]  vfs_write+0xe7/0x3b0

 5063 21:33:33.730984  <4>[   45.723611]  ksys_write+0x68/0xf0

 5064 21:33:33.733667  <4>[   45.727602]  do_syscall_64+0x30/0x40

 5065 21:33:33.740243  <4>[   45.731885]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5066 21:33:33.743871  <4>[   45.737819] RIP: 0033:0x7f104d447473

 5067 21:33:33.767298  <4>[   45.742101] 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

 5068 21:33:33.773731  <4>[   45.763374] RSP: 002b:00007ffd91cdf218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5069 21:33:33.783241  <4>[   45.772123] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f104d447473

 5070 21:33:33.789829  <4>[   45.780384] RDX: 000000000000001f RSI: 00007f104d33b000 RDI: 0000000000000001

 5071 21:33:33.799754  <4>[   45.788647] RBP: 00007f104d33b000 R08: 00007f104d33a010 R09: 0000000000000000

 5072 21:33:33.806102  <4>[   45.796929] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5073 21:33:33.816253  <4>[   45.805183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5074 21:33:33.819206  <4>[   45.813450] irq event stamp: 0

 5075 21:33:33.826154   ffff9e2585358980 CR3: 0000000103e7e005 CR4: 00000000003706e0

 5076 21:33:33.832947  #<4>[   45.817172] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5077 21:33:33.849073   [   37.565311] BUG: sleeping function called from invalid conte<4>[   45.830682] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5078 21:33:33.859080  <4>[   45.846325] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5079 21:33:33.865313  <4>[   45.855753] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5080 21:33:33.869138  <4>[   45.863044] ---[ end trace c17c1eb82cc650d8 ]---

 5081 21:33:33.875477  <6>[   45.868492] lkdtm: Overflow detected: saturated

 5082 21:33:33.879263  xt at include/linux/percpu-rwsem.h:49

 5083 21:33:33.888732  # [   37.575513] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1647, name: cat

 5084 21:33:33.891980  # [   37.584259] INFO: lockdep is turned off.

 5085 21:33:33.895557  # [   37.588927] irq event stamp: 0

 5086 21:33:33.902099  # [   37.592623] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5087 21:33:33.911886  # [   37.599904] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5088 21:33:33.922039  # [   37.609345] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5089 21:33:33.928801  # [   37.618771] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5090 21:33:33.938076  # [   37.626060] CPU: 3 PID: 1647 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5091 21:33:33.944860  # [   37.635000] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5092 21:33:33.948768  # [   37.642095] Call Trace:

 5093 21:33:33.951459  # [   37.645115]  dump_stack+0x77/0x9b

 5094 21:33:33.958575  # [   37.649103]  ___might_sleep.cold+0xa6/0xb6

 5095 21:33:33.961819  # [   37.653965]  exit_signals+0x1c/0x300

 5096 21:33:33.965400  # [   37.658241]  do_exit+0xc2/0xab0

 5097 21:33:33.967718  # [   37.662035]  ? ksys_write+0x68/0xf0

 5098 21:33:33.971249  # [   37.666221]  make_task_dead+0x2f/0x30

 5099 21:33:33.977906  # [   37.670598]  rewind_stack_and_make_dead+0x17/0x20

 5100 21:33:33.981256  # [   37.676144] RIP: 0033:0x7fd1eefad473

 5101 21:33:33.994446  # [   37.680424] Code: 8b 15 21 2a 0e 00 f7 d8 64 89<6>[   45.983467] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 5102 21:33:34.000807  <6>[   45.993634] lkdtm: attempting bad refcount_add_not_zero() overflow

 5103 21:33:34.008052  <4>[   46.000831] ------------[ cut here ]------------

 5104 21:33:34.013840  <4>[   46.006279] refcount_t: saturated; leaking memory.

 5105 21:33:34.024389  <4>[   46.011950] WARNING: CPU: 3 PID: 2110 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5106 21:33:34.083993   02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 <4>[   46.021674] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 5107 21:33:34.090124  <4>[   46.080626] CPU: 3 PID: 2110 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5108 21:33:34.099731  <4>[   46.089568] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5109 21:33:34.103151  <4>[   46.096666] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5110 21:33:34.133380  85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f<4>[   46.102796] Code: 02 01 e8 5e 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 a2 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7

 5111 21:33:34.139782  <4>[   46.130284] RSP: 0018:ffffb1e202ad7e38 EFLAGS: 00010282

 5112 21:33:34.146203  <4>[   46.136442] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5113 21:33:34.156009  <4>[   46.144704] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 5114 21:33:34.162727  <4>[   46.152965] RBP: ffffffffa2e1a5b8 R08: 0000000000000000 R09: 0000000000000000

 5115 21:33:34.173084  <4>[   46.161224] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5116 21:33:34.176084   1f 40 00 48 83 ec 28 48 89 54 24 18

 5117 21:33:34.186229  # [   37.701690] RSP: 002b<4>[   46.169517] R13: ffffb1e202ad7f10 R14: ffffb1e202ad7f10 R15: ffff9e2583b8a000

 5118 21:33:34.195959  <4>[   46.183989] FS:  00007fc3d310b580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 5119 21:33:34.202217  :00007ffffb95d3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5120 21:33:34.209453  #<4>[   46.193340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5121 21:33:34.215366  <4>[   46.206263] CR2: 00007fc3d2f15000 CR3: 00000001058cc001 CR4: 00000000003706e0

 5122 21:33:34.218543  <4>[   46.214527] Call Trace:

 5123 21:33:34.222166  <4>[   46.217550]  ? __warn+0x80/0x110

 5124 21:33:34.228928  <4>[   46.221474]  ? refcount_warn_saturate+0x97/0x110

 5125 21:33:34.232248  <4>[   46.226923]  ? report_bug+0x9e/0xc0

 5126 21:33:34.238545  <4>[   46.231110]  ? handle_bug+0x41/0x90

 5127 21:33:34.241556  <4>[   46.235316]  ? exc_invalid_op+0x14/0x70

 5128 21:33:34.252579   [   37.710436] RAX: ffffffffffffffda RBX: 000000000000000d RCX:<4>[   46.239892]  ? asm_exc_invalid_op+0x12/0x20

 5129 21:33:34.258629  <4>[   46.251067]  ? refcount_warn_saturate+0x97/0x110

 5130 21:33:34.264921  <4>[   46.256545]  ? refcount_warn_saturate+0x97/0x110

 5131 21:33:34.271940  <4>[   46.261993]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5132 21:33:34.278427  <4>[   46.268410]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 5133 21:33:34.281039  <4>[   46.274925]  direct_entry.cold+0x2c/0x38

 5134 21:33:34.284580  <4>[   46.279598]  full_proxy_write+0x53/0x80

 5135 21:33:34.291130  <4>[   46.284197]  vfs_write+0xe7/0x3b0

 5136 21:33:34.294396  <4>[   46.288212]  ksys_write+0x68/0xf0

 5137 21:33:34.297993  <4>[   46.292204]  do_syscall_64+0x30/0x40

 5138 21:33:34.304285  <4>[   46.296487]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5139 21:33:34.307896  <4>[   46.302421] RIP: 0033:0x7fc3d3021473

 5140 21:33:34.331179  <4>[   46.306704] 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

 5141 21:33:34.337506  <4>[   46.327978] RSP: 002b:00007fffdd30c3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5142 21:33:34.347432  <4>[   46.336727] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc3d3021473

 5143 21:33:34.354219  <4>[   46.344989] RDX: 000000000000001f RSI: 00007fc3d2f15000 RDI: 0000000000000001

 5144 21:33:34.363926  <4>[   46.353252] RBP: 00007fc3d2f15000 R08: 00007fc3d2f14010 R09: 0000000000000000

 5145 21:33:34.370244  <4>[   46.361514] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5146 21:33:34.381026  <4>[   46.369777] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5147 21:33:34.381177   00007fd1eefad473

 5148 21:33:34.390185  # [   37.718696] RDX: 000000000000000d RSI: 0<4>[   46.378044] irq event stamp: 0

 5149 21:33:34.396977  <4>[   46.387954] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5150 21:33:34.400074  0007fd1eeea1000 RDI: 0000000000000001

 5151 21:33:34.413393  # [   37.726955] RBP: 000<4>[   46.395248] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5152 21:33:34.423276  <4>[   46.410886] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5153 21:33:34.430152  <4>[   46.420314] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5154 21:33:34.433131  <4>[   46.427606] ---[ end trace c17c1eb82cc650d9 ]---

 5155 21:33:34.439894  <6>[   46.433051] lkdtm: Overflow detected: saturated

 5156 21:33:34.446402  07fd1eeea1000 R08: 00007fd1eeea0010 R09: 0000000000000000

 5157 21:33:34.452970  # [   37.735215] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5158 21:33:34.462607  # [   37.743475] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5159 21:33:34.466067  # EXEC_KMALLOC: saw 'call trace:': ok

 5160 21:33:34.469435  ok 32 selftests: lkdtm: EXEC_KMALLOC.sh

 5161 21:33:34.473445  # selftests: lkdtm: EXEC_VMALLOC.sh

 5162 21:33:34.476297  # Killed

 5163 21:33:34.479321  # [   37.860813] lkdtm: Performing direct entry EXEC_VMALLOC

 5164 21:33:34.486006  # [   37.869806] lkdtm: attempting ok execution at ffffffffa157e9c0

 5165 21:33:34.493191  # [   37.882842] lkdtm: attempting bad execution at ffffb1e200341000

 5166 21:33:34.503265  # [   37.895962] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 5167 21:33:34.508841  # [   37.910785] BUG: unable to handle page fault for address: ffffb1e200341000

 5168 21:33:34.515491  # [   37.918752] #PF: supervisor instruction fetch in kernel mode

 5169 21:33:34.522001  # [   37.925361] #PF: error_code(0x0011) - permissions violation

 5170 21:33:34.532061  # [   37.931872] PGD 100000067 P4D 100000067 PUD 100245067 PMD 1009cc067 PTE 800000010530e063

 5171 21:33:34.535035  # [   37.941209] Oops: 0011 [#8] SMP PTI

 5172 21:33:34.544967  # [   37.945391] CPU: 0 PID: 1684 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5173 21:33:34.552531  # [   37.954330] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5174 21:33:34.558192  # [   37.961427] RIP: 0010:0xffffb1e200341000

 5175 21:33:34.564837  # [   37.966<6>[   46.551053] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 5176 21:33:34.571482  <6>[   46.563180] lkdtm: attempting good refcount_dec()

 5177 21:33:34.581655  094] Code: Unable to access opcode bytes at RIP 0xffffb1e200340f<6>[   46.568740] lkdtm: attempting bad refcount_dec() to zero

 5178 21:33:34.587864  <4>[   46.581169] ------------[ cut here ]------------

 5179 21:33:34.594680  <4>[   46.586640] refcount_t: decrement hit 0; leaking memory.

 5180 21:33:34.604080  <4>[   46.592892] WARNING: CPU: 2 PID: 2143 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5181 21:33:34.604174  d6.

 5182 21:33:34.663331  # [   37.974063] RSP: 0018:ffffb1e202477e38 EFLAGS: 0001024<4>[   46.602618] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 5183 21:33:34.673944  <4>[   46.661587] CPU: 2 PID: 2143 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5184 21:33:34.674102  6

 5185 21:33:34.686541  # [   37.980186] RAX: 0000000000000033 RBX: 0000000000000001 <4>[   46.670542] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5186 21:33:34.686667  RCX: 0000000000000000

 5187 21:33:34.696664  # [   37.988467] RDX: 0000000000000000 RS<4>[   46.683852] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5188 21:33:34.719600  <4>[   46.696193] Code: 50 54 d7 a2 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 54 d7 a2 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5189 21:33:34.726429  <4>[   46.717491] RSP: 0018:ffffb1e202b5fe48 EFLAGS: 00010286

 5190 21:33:34.732936  <4>[   46.723620] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 5191 21:33:34.742734  <4>[   46.731907] RDX: ffff9e25fad2c620 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50

 5192 21:33:34.746087  I: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50

 5193 21:33:34.756087  # [   37.996727] RBP:<4>[   46.740185] RBP: ffffffffa2e1a971 R08: 0000000000000000 R09: 0000000000000000

 5194 21:33:34.765868  <4>[   46.754651] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5195 21:33:34.772528  <4>[   46.762915] R13: ffffb1e202b5ff10 R14: ffffb1e202b5ff10 R15: ffff9e2583f7c000

 5196 21:33:34.782562  <4>[   46.771178] FS:  00007f783edc3580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 5197 21:33:34.788885  <4>[   46.780511] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5198 21:33:34.798916  <4>[   46.787221] CR2: 00007f783ebcd000 CR3: 0000000104798001 CR4: 00000000003706e0

 5199 21:33:34.799043  <4>[   46.795484] Call Trace:

 5200 21:33:34.805444  <4>[   46.798523]  ? __warn+0x80/0x110

 5201 21:33:34.808664   ffffb1e200341000 R08: 0000000000000000 R09: 0000000000000000

 5202 21:33:34.815501  #<4>[   46.802427]  ? refcount_warn_saturate+0xfb/0x110

 5203 21:33:34.818495  <4>[   46.814084]  ? report_bug+0x9e/0xc0

 5204 21:33:34.825081  <4>[   46.818271]  ? handle_bug+0x41/0x90

 5205 21:33:34.828676  <4>[   46.822477]  ? exc_invalid_op+0x14/0x70

 5206 21:33:34.834793  <4>[   46.827053]  ? asm_exc_invalid_op+0x12/0x20

 5207 21:33:34.838209  <4>[   46.832044]  ? refcount_warn_saturate+0xfb/0x110

 5208 21:33:34.851437   [   38.004984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:<4>[   46.837519]  ? refcount_warn_saturate+0xfb/0x110

 5209 21:33:34.854604  <4>[   46.849176]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 5210 21:33:34.861274  <4>[   46.854429]  direct_entry.cold+0x2c/0x38

 5211 21:33:34.864534  <4>[   46.859127]  full_proxy_write+0x53/0x80

 5212 21:33:34.867780  <4>[   46.863734]  vfs_write+0xe7/0x3b0

 5213 21:33:34.875141  <4>[   46.867756]  ksys_write+0x68/0xf0

 5214 21:33:34.878285  <4>[   46.871771]  do_syscall_64+0x30/0x40

 5215 21:33:34.884476  <4>[   46.876078]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5216 21:33:34.887961  <4>[   46.882036] RIP: 0033:0x7f783ecd9473

 5217 21:33:34.911391  <4>[   46.886320] 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

 5218 21:33:34.917628  <4>[   46.907597] RSP: 002b:00007ffd82138238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5219 21:33:34.927673  <4>[   46.916348] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f783ecd9473

 5220 21:33:34.934033  <4>[   46.924612] RDX: 0000000000000012 RSI: 00007f783ebcd000 RDI: 0000000000000001

 5221 21:33:34.943759  <4>[   46.932876] RBP: 00007f783ebcd000 R08: 00007f783ebcc010 R09: 0000000000000000

 5222 21:33:34.950663  <4>[   46.941161] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5223 21:33:34.953649   000000000000000d

 5224 21:33:34.967078  # [   38.013242] R13: ffffb1e202477f10 R14: f<4>[   46.949427] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5225 21:33:34.970091  fffb1e202477f10 R15: ffff9e258530e000

 5226 21:33:34.976549  # [   38.021503] FS:  000<4>[   46.963912] irq event stamp: 0

 5227 21:33:34.983075  <4>[   46.973837] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5228 21:33:35.000017  07fa1035ae580(0000) GS:ffff9e25fac00000(0000) knlGS:000000000000<4>[   46.981139] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5229 21:33:35.006724  <4>[   46.996775] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5230 21:33:35.016898  <4>[   47.006204] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5231 21:33:35.020053  <4>[   47.013498] ---[ end trace c17c1eb82cc650da ]---

 5232 21:33:35.026464  <6>[   47.018946] lkdtm: Zero detected: saturated

 5233 21:33:35.026600  0000

 5234 21:33:35.032808  # [   38.030822] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5235 21:33:35.039692  # [   38.037527] CR2: ffffb1e200340fd6 CR3: 0000000106830001 CR4: 00000000003706f0

 5236 21:33:35.043100  # [   38.045785] Call Trace:

 5237 21:33:35.049661  # [   38.048805]  ? __die_body.cold+0x1a/0x1f

 5238 21:33:35.053729  # [   38.053471]  ? no_context+0x177/0x380

 5239 21:33:35.055959  # [   38.057848]  ? exc_page_fault+0xd7/0x170

 5240 21:33:35.062725  # [   38.062522]  ? asm_exc_page_fault+0x1e/0x30

 5241 21:33:35.066470  # [   38.067486]  ? execute_location+0x45/0x56

 5242 21:33:35.072175  # [   38.072256]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 5243 21:33:35.075609  # [   38.077213]  ? direct_entry.cold+0x2c/0x38

 5244 21:33:35.083502  # [   38.082077]  ? full_proxy_write+0x53/0x80

 5245 21:33:35.086165  # [   38.086848]  ? vfs_write+0xe7/0x3b0

 5246 21:33:35.088651  # [   38.091021]  ? ksys_write+0x68/0xf0

 5247 21:33:35.091997  # [   38.095203]  ? do_syscall_64+0x30/0x40

 5248 21:33:35.099338  # [   38.099668]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5249 21:33:35.152238  # [   38.105786] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regm<6>[   47.139823] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 5250 21:33:35.165213  ap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_bac<6>[   47.149075] lkdtm: attempting bad refcount_dec() below zero

 5251 21:33:35.165326  klight chromeos_pstore

 5252 21:33:35.168383  # [   38.158550] CR2: ffffb1e200341000

 5253 21:33:35.175336  <4>[   47.161828] ------------[ cut here ]------------

 5254 21:33:35.181337  # [   38.162538] ---[ end trace c17c1eb82cc650cd ]---

 5255 21:33:35.188383  # [   38.<4>[   47.173481] refcount_t: decrement hit 0; leaking memory.

 5256 21:33:35.191399  167973] RIP: 0010:lkdtm_BUG+0x5/0x10

 5257 21:33:35.204891  # [   38.172640] Code: 89 <4>[   47.185970] WARNING: CPU: 0 PID: 2179 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5258 21:33:35.264406  ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff f<4>[   47.201897] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 5259 21:33:35.277256  f c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> <4>[   47.260855] CPU: 0 PID: 2179 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5260 21:33:35.283909  0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 5261 21:33:35.290542  <4>[   47.276033] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5262 21:33:35.296928  # [   38.193912] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 5263 21:33:35.303585  # <4>[   47.289345] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5264 21:33:35.329481  [   38.200057] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: <4>[   47.301728] Code: 50 54 d7 a2 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 54 d7 a2 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5265 21:33:35.332933  0000000000000000

 5266 21:33:35.342765  # [   38.208316] RDX: 0000000000000000 RSI: ff<4>[   47.329183] RSP: 0018:ffffb1e202be7e48 EFLAGS: 00010286

 5267 21:33:35.346006  ff9e25fad9bf50 RDI: ffffffffa29942b0

 5268 21:33:35.359445  # [   38.216575] RBP: ffff<4>[   47.341546] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 5269 21:33:35.363003  ffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 5270 21:33:35.372789  # [   <4>[   47.356003] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50

 5271 21:33:35.386248  38.224835] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000<4>[   47.370533] RBP: ffffffffa2e1a983 R08: 0000000000000000 R09: 0000000000000000

 5272 21:33:35.389181  000000000004

 5273 21:33:35.402082  # [   38.233097] R13: ffffb1e2013eff10 R14: ffffb1<4>[   47.384973] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5274 21:33:35.405962  e2013eff10 R15: ffff9e2583921000

 5275 21:33:35.415489  # [   38.241356] FS:  00007fa1<4>[   47.399458] R13: ffffb1e202be7f10 R14: ffffb1e202be7f10 R15: ffff9e2584108000

 5276 21:33:35.422123  035ae580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 5277 21:33:35.432034  <4>[   47.413946] FS:  00007f104826f580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 5278 21:33:35.432116  

 5279 21:33:35.445465  # [   38.250685] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050<4>[   47.429498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5280 21:33:35.445567  033

 5281 21:33:35.458747  # [   38.257389] CR2: ffffb1e200340fd6 CR3: 000000010683000<4>[   47.442429] CR2: 00007f1048079000 CR3: 0000000104494003 CR4: 00000000003706f0

 5282 21:33:35.461627  1 CR4: 00000000003706f0

 5283 21:33:35.465362  # EXEC_VMALLOC: saw 'call trace:': ok

 5284 21:33:35.467987  <4>[   47.456948] Call Trace:

 5285 21:33:35.471596  ok 33 selftests: lkdtm: EXEC_VMALLOC.sh

 5286 21:33:35.478644  # selftests: lkdtm: EXE<4>[   47.466163]  ? __warn+0x80/0x110

 5287 21:33:35.478775  C_RODATA.sh

 5288 21:33:35.481371  # Killed

 5289 21:33:35.488153  # [   38.432931] lkdtm: Performing direct<4>[   47.476270]  ? refcount_warn_saturate+0xfb/0x110

 5290 21:33:35.491462   entry EXEC_RODATA

 5291 21:33:35.501291  # [   38.439535] lkdtm: attempting ok execut<4>[   47.487933]  ? report_bug+0x9e/0xc0

 5292 21:33:35.501447  ion at ffffffffa157e9c0

 5293 21:33:35.510881  # [   38.446349] lkdtm: attempting bad <4>[   47.498356]  ? handle_bug+0x41/0x90

 5294 21:33:35.514464  execution at ffffffffa2994740

 5295 21:33:35.520773  # [   38.453254] kernel tried to <4>[   47.508754]  ? exc_invalid_op+0x14/0x70

 5296 21:33:35.527311  execute NX-protected page - exploit attempt? (uid: 0)

 5297 21:33:35.531292  # [   38.<4>[   47.519595]  ? asm_exc_invalid_op+0x12/0x20

 5298 21:33:35.543914  461909] BUG: unable to handle page fault for address: ffffffffa2<4>[   47.530756]  ? refcount_warn_saturate+0xfb/0x110

 5299 21:33:35.544054  994740

 5300 21:33:35.557440  # [   38.469880] #PF: supervisor instruction fetch in ke<4>[   47.542415]  ? refcount_warn_saturate+0xfb/0x110

 5301 21:33:35.557572  rnel mode

 5302 21:33:35.567552  # [   38.476480] #PF: error_code(0x0011) - permission<4>[   47.554082]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 5303 21:33:35.570691  s violation

 5304 21:33:35.577603  # [   38.482990] PGD 21e29067 P4D 21e29067 PUD 21e2<4>[   47.565903]  direct_entry.cold+0x2c/0x38

 5305 21:33:35.580651  a063 PMD 80000000216000e1 

 5306 21:33:35.590205  # [   38.496983] Oops: 0011 [#9] SMP<4>[   47.576789]  full_proxy_write+0x53/0x80

 5307 21:33:35.590364   PTI

 5308 21:33:35.600319  # [   38.501164] CPU: 2 PID: 1721 Comm: cat Tainted: G    <4>[   47.587595]  vfs_write+0xe7/0x3b0

 5309 21:33:35.603517    D W         5.10.212-cip44 #1

 5310 21:33:35.610106  # [   38.510103] Hardware name:<4>[   47.597792]  ksys_write+0x68/0xf0

 5311 21:33:35.613469   Google Rammus/Rammus, BIOS  09/04/2020

 5312 21:33:35.620149  # [   38.517201] RIP: 0<4>[   47.608000]  do_syscall_64+0x30/0x40

 5313 21:33:35.623159  010:lkdtm_rodata_do_nothing+0x0/0x10

 5314 21:33:35.633624  # [   38.523229] Code: ff <4>[   47.618503]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5315 21:33:35.643255  ff 5c 7c c4 a1 ff ff ff ff 02 ab e1 a2 ff ff ff ff a2 63 c4 a1 f<4>[   47.630650] RIP: 0033:0x7f1048185473

 5316 21:33:35.669313  f ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 <e9> <4>[   47.641150] 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

 5317 21:33:35.676608  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69

 5318 21:33:35.686121  <4>[   47.668656] RSP: 002b:00007fff60b666a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5319 21:33:35.692639  # [   38.544490] RSP: 0018:ffffb1e20250fe48 EFLAGS: 00010246

 5320 21:33:35.699185  # <4>[   47.683636] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1048185473

 5321 21:33:35.715884  [   38.550614] RAX: 0000000000000033 RBX: 0000000000000000 RCX: <4>[   47.698121] RDX: 0000000000000016 RSI: 00007f1048079000 RDI: 0000000000000001

 5322 21:33:35.716002  0000000000000000

 5323 21:33:35.728994  # [   38.558873] RDX: 0000000000000000 RSI: ff<4>[   47.712587] RBP: 00007f1048079000 R08: 00007f1048078010 R09: 0000000000000000

 5324 21:33:35.732054  ff9e25fad1bf50 RDI: ffff9e25fad1bf50

 5325 21:33:35.742262  # [   38.567131] RBP: ffff<4>[   47.727108] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5326 21:33:35.748633  ffffa2994740 R08: 0000000000000000 R09: 0000000000000000

 5327 21:33:35.758753  # [   <4>[   47.741574] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5328 21:33:35.768939  38.575401] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000<4>[   47.756098] irq event stamp: 0

 5329 21:33:35.769109  00000000000c

 5330 21:33:35.781674  # [   38.583661] R13: ffffb1e20250ff10 R14: ffffb1<4>[   47.765996] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5331 21:33:35.784931  e20250ff10 R15: ffff9e258448c000

 5332 21:33:35.798123  # [   38.591920] FS:  00007f35<4>[   47.779507] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5333 21:33:35.805559  c5c6f580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 5334 21:33:35.811370  <4>[   47.795195] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5335 21:33:35.811522  

 5336 21:33:35.825030  # [   38.601247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050<4>[   47.810828] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5337 21:33:35.827898  033

 5338 21:33:35.837922  # [   38.607951] CR2: ffffffffa2994740 CR3: 0000000103f7e00<4>[   47.824361] ---[ end trace c17c1eb82cc650db ]---

 5339 21:33:35.841346  3 CR4: 00000000003706e0

 5340 21:33:35.844251  # [   38.616211] Call Trace:

 5341 21:33:35.850941  # [   38.<6>[   47.836007] lkdtm: Negative detected: saturated

 5342 21:33:35.854260  619231]  ? __die_body.cold+0x1a/0x1f

 5343 21:33:35.857337  # [   38.623901]  ? no_context+0x177/0x380

 5344 21:33:35.860816  # [   38.628296]  ? exc_page_fault+0xd7/0x170

 5345 21:33:35.868355  # [   38.632965]  ? asm_exc_page_fault+0x1e/0x30

 5346 21:33:35.871083  # [   38.637929]  ? execute_location+0x45/0x56

 5347 21:33:35.877003  # [   38.642694]  ? direct_entry.cold+0x2c/0x38

 5348 21:33:35.880602  # [   38.647556]  ? full_proxy_write+0x53/0x80

 5349 21:33:35.883891  # [   38.652313]  ? vfs_write+0xe7/0x3b0

 5350 21:33:35.890939  # [   38.656496]  ? ksys_write+0x68/0xf0

 5351 21:33:35.894556  # [   38.660670]  ? do_syscall_64+0x30/0x40

 5352 21:33:35.900767  # [   38.665143]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5353 21:33:35.953559  # [   38.671261] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 5354 21:33:35.956225  # [   38.730245] CR2: ffffffffa2994740

 5355 21:33:35.960267  # [   38.734233] ---[ end trace c17c1eb82cc650ce ]---

 5356 21:33:35.966373  # [   38.739680] RIP: 0010:lkdtm_BUG+0x5/0x10

 5357 21:33:35.976022  # [   38.744348] <6>[   47.963927] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 5358 21:33:35.989359  Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 e<6>[   47.973567] lkdtm: attempting bad refcount_dec_and_test() below zero

 5359 21:33:35.999979  a ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00<4>[   47.987171] ------------[ cut here ]------------

 5360 21:33:36.006212  <4>[   47.998832] refcount_t: underflow; use-after-free.

 5361 21:33:36.022695   00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 7<4>[   48.004487] WARNING: CPU: 3 PID: 2215 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 5362 21:33:36.022842  8 2a 03

 5363 21:33:36.082102  # [   38.765618] RSP: 0018:ffffb1e2013efe60 EFLAGS: 000<4>[   48.020409] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 5364 21:33:36.091876  <4>[   48.079433] CPU: 3 PID: 2215 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5365 21:33:36.091979  10286

 5366 21:33:36.105259  # [   38.771741] RAX: ffffffffa157e5f0 RBX: 0000000000000<4>[   48.088392] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5367 21:33:36.108087  <4>[   48.101695] RIP: 0010:refcount_warn_saturate+0xba/0x110

 5368 21:33:36.131792  <4>[   48.107824] Code: 02 01 e8 3b 3e c4 00 0f 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 a2 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7

 5369 21:33:36.137869  <4>[   48.129100] RSP: 0018:ffffb1e202c6fe40 EFLAGS: 00010286

 5370 21:33:36.144511  <4>[   48.135233] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 5371 21:33:36.155084  <4>[   48.143497] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 5372 21:33:36.161159  <4>[   48.151761] RBP: ffffffffa2e1a5d8 R08: 0000000000000000 R09: 0000000000000000

 5373 21:33:36.171101  <4>[   48.160025] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5374 21:33:36.177625  <4>[   48.168290] R13: ffffb1e202c6ff10 R14: ffffb1e202c6ff10 R15: ffff9e258592a000

 5375 21:33:36.187288  <4>[   48.176555] FS:  00007fcbce795580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 5376 21:33:36.194392  <4>[   48.185889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5377 21:33:36.204173  <4>[   48.192600] CR2: 00007fcbce59f000 CR3: 0000000104108004 CR4: 00000000003706e0

 5378 21:33:36.204293  <4>[   48.200866] Call Trace:

 5379 21:33:36.210757  <4>[   48.203891]  ? __warn+0x80/0x110

 5380 21:33:36.214471  <4>[   48.207818]  ? refcount_warn_saturate+0xba/0x110

 5381 21:33:36.220783  <4>[   48.213290]  ? report_bug+0x9e/0xc0

 5382 21:33:36.223558  <4>[   48.217479]  ? handle_bug+0x41/0x90

 5383 21:33:36.227097  <4>[   48.221696]  ? exc_invalid_op+0x14/0x70

 5384 21:33:36.233793  <4>[   48.226273]  ? asm_exc_invalid_op+0x12/0x20

 5385 21:33:36.236985  <4>[   48.231270]  ? refcount_warn_saturate+0xba/0x110

 5386 21:33:36.240267  001 RCX: 0000000000000000

 5387 21:33:36.250199  # [   38.780013] RDX: 000000000000000<4>[   48.236749]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 5388 21:33:36.256774  <4>[   48.249373]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 5389 21:33:36.263510  <4>[   48.255892]  direct_entry.cold+0x2c/0x38

 5390 21:33:36.267228  <4>[   48.260596]  full_proxy_write+0x53/0x80

 5391 21:33:36.269831  0 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 5392 21:33:36.276617  # [   38.788272] <4>[   48.265181]  vfs_write+0xe7/0x3b0

 5393 21:33:36.286758  RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 000000000000000<4>[   48.275385]  ksys_write+0x68/0xf0

 5394 21:33:36.286885  1

 5395 21:33:36.296175  # [   38.796532] R10: 00000000ffffe000 R11: 3fffffffffffffff <4>[   48.285590]  do_syscall_64+0x30/0x40

 5396 21:33:36.299732  R12: 0000000000000004

 5397 21:33:36.309534  # [   38.804792] R13: ffffb1e2013eff10 R1<4>[   48.296100]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5398 21:33:36.313385  <4>[   48.308249] RIP: 0033:0x7fcbce6ab473

 5399 21:33:36.335908  <4>[   48.312533] 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

 5400 21:33:36.345792  <4>[   48.333811] RSP: 002b:00007ffdb5192238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5401 21:33:36.352561  <4>[   48.342563] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcbce6ab473

 5402 21:33:36.362230  <4>[   48.350827] RDX: 000000000000001f RSI: 00007fcbce59f000 RDI: 0000000000000001

 5403 21:33:36.369149  <4>[   48.359109] RBP: 00007fcbce59f000 R08: 00007fcbce59e010 R09: 0000000000000000

 5404 21:33:36.378811  <4>[   48.367371] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5405 21:33:36.386024  <4>[   48.375636] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5406 21:33:36.389020  <4>[   48.383906] irq event stamp: 0

 5407 21:33:36.392066  4: ffffb1e2013eff10 R15: ffff9e2583921000

 5408 21:33:36.402582  # [   38.813052] FS: <4>[   48.387636] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5409 21:33:36.411628  <4>[   48.401138] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5410 21:33:36.421969  <4>[   48.410569] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5411 21:33:36.428571  <4>[   48.420001] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5412 21:33:36.435361  <4>[   48.427319] ---[ end trace c17c1eb82cc650dc ]---

 5413 21:33:36.438225  <6>[   48.432767] lkdtm: Negative detected: saturated

 5414 21:33:36.448289   00007f35c5c6f580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 5415 21:33:36.455393  # [   38.822369] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5416 21:33:36.461482  # [   38.829074] CR2: ffffffffa2994740 CR3: 0000000103f7e003 CR4: 00000000003706e0

 5417 21:33:36.471343  # [   38.837335] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5418 21:33:36.481140  # [   38.847528] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1721, name: cat

 5419 21:33:36.484784  # [   38.856274] INFO: lockdep is turned off.

 5420 21:33:36.487918  # [   38.860939] irq event stamp: 0

 5421 21:33:36.494337  # [   38.864635] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5422 21:33:36.504185  # [   38.871924] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5423 21:33:36.514372  # [   38.881347] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5424 21:33:36.520833  # [   38.890771] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5425 21:33:36.531132  # [   38.898060] CPU: 2 PID: 1721 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5426 21:33:36.537163  # [   38.906990] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5427 21:33:36.540751  # [   38.914085] Call Trace:

 5428 21:33:36.544305  # [   38.917103]  dump_stack+0x77/0x9b

 5429 21:33:36.551149  # [   38.921091]  ___might_sleep.cold+0xa6/0xb6

 5430 21:33:36.554003  # [   38.925954]  exit_signals+0x1c/0x300

 5431 21:33:36.557155  # [   38.930234]  do_exit+0xc2/0xab0

 5432 21:33:36.560749  # [   38.934028]  ? ksys_write+0x68/0xf0

 5433 21:33:36.573791  # [   38.938212]  make_task_dead<6>[   48.556888] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 5434 21:33:36.573915  +0x2f/0x30

 5435 21:33:36.587183  # [   38.942590]  rewind_stack_and_make_dead+0x17/0x<6>[   48.570367] lkdtm: attempting bad refcount_sub_and_test() below zero

 5436 21:33:36.587311  20

 5437 21:33:36.590370  # [   38.948130] RIP: 0033:0x7f35c5b85473

 5438 21:33:36.596799  # [   38.952409] <4>[   48.583971] ------------[ cut here ]------------

 5439 21:33:36.609731  Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b<4>[   48.595625] refcount_t: underflow; use-after-free.

 5440 21:33:36.626587  7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f<4>[   48.607518] WARNING: CPU: 1 PID: 2251 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 5441 21:33:36.683110   05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 5<4>[   48.623416] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 5442 21:33:36.686296  4 24 18

 5443 21:33:36.699316  # [   38.973681] RSP: 002b:00007ffd6e518f48 EFLAGS: 000<4>[   48.682401] CPU: 1 PID: 2251 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5444 21:33:36.702186  00246 ORIG_RAX: 0000000000000001

 5445 21:33:36.712947  # [   38.982418] RAX: ffffffff<4>[   48.697531] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5446 21:33:36.718899  ffffffda RBX: 000000000000000c RCX: 00007f35c5b85473

 5447 21:33:36.725571  # [   38.9<4>[   48.710845] RIP: 0010:refcount_warn_saturate+0xba/0x110

 5448 21:33:36.745563  <4>[   48.723190] Code: 02 01 e8 3b 3e c4 00 0f 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 a2 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7

 5449 21:33:36.758431  90678] RDX: 000000000000000c RSI: 00007f35c5a79000 RDI: 00000000<4>[   48.744468] RSP: 0018:ffffb1e202d17e40 EFLAGS: 00010286

 5450 21:33:36.768221  <4>[   48.756806] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 5451 21:33:36.768390  00000001

 5452 21:33:36.782046  # [   38.998936] RBP: 00007f35c5a79000 R08: 00007f35c5<4>[   48.765072] RDX: ffff9e25facac620 RSI: ffff9e25fac9bf50 RDI: ffff9e25fac9bf50

 5453 21:33:36.791078  <4>[   48.779546] RBP: ffffffffa2e1a5f8 R08: 0000000000000000 R09: 0000000000000000

 5454 21:33:36.791227  a78010 R09: 0000000000000000

 5455 21:33:36.804124  # [   39.007195] R10: ffffffffffff<4>[   48.787811] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5456 21:33:36.810991  <4>[   48.802284] R13: ffffb1e202d17f10 R14: ffffb1e202d17f10 R15: ffff9e2585a4a000

 5457 21:33:36.820903  <4>[   48.810548] FS:  00007f4d053ef580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000

 5458 21:33:36.827071  fbc5 R11: 0000000000000246 R12: 0000000000000001

 5459 21:33:36.834341  # [   39.01545<4>[   48.819883] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5460 21:33:36.843581  <4>[   48.832822] CR2: 00007f4d051f9000 CR3: 0000000104996004 CR4: 00000000003706e0

 5461 21:33:36.847047  <4>[   48.841084] Call Trace:

 5462 21:33:36.856803  3] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002<4>[   48.844111]  ? __warn+0x80/0x110

 5463 21:33:36.860223  <4>[   48.854210]  ? refcount_warn_saturate+0xba/0x110

 5464 21:33:36.864268  0000

 5465 21:33:36.866729  # EXEC_RODATA: saw 'call trace:': ok

 5466 21:33:36.873771  ok 34 selftests: lkd<4>[   48.859661]  ? report_bug+0x9e/0xc0

 5467 21:33:36.873916  tm: EXEC_RODATA.sh

 5468 21:33:36.876889  # selftests: lkdtm: EXEC_USERSPACE.sh

 5469 21:33:36.883110  # Kil<4>[   48.870058]  ? handle_bug+0x41/0x90

 5470 21:33:36.883281  led

 5471 21:33:36.892886  # [   39.182635] lkdtm: Performing direct entry EXEC_USERSP<4>[   48.880457]  ? exc_invalid_op+0x14/0x70

 5472 21:33:36.893059  ACE

 5473 21:33:36.902698  # [   39.191712] lkdtm: attempting ok execution at ffffffff<4>[   48.891249]  ? asm_exc_invalid_op+0x12/0x20

 5474 21:33:36.906034  a157e9c0

 5475 21:33:36.916106  # [   39.198558] lkdtm: attempting bad execution at 00<4>[   48.902426]  ? refcount_warn_saturate+0xba/0x110

 5476 21:33:36.916243  007fadc28d4000

 5477 21:33:36.929236  # [   39.205500] unable to execute userspace cod<4>[   48.914091]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 5478 21:33:36.929366  e (SMEP?) (uid: 0)

 5479 21:33:36.942729  # [   39.212219] BUG: unable to handle page <4>[   48.926725]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 5480 21:33:36.946427  fault for address: 00007fadc28d4000

 5481 21:33:36.952663  # [   39.220191] #PF: super<4>[   48.939458]  direct_entry.cold+0x2c/0x38

 5482 21:33:36.955730  visor instruction fetch in kernel mode

 5483 21:33:36.962218  # [   39.233013] #PF: er<4>[   48.950348]  full_proxy_write+0x53/0x80

 5484 21:33:36.965858  ror_code(0x0011) - permissions violation

 5485 21:33:36.972493  # [   39.239526] PGD 8<4>[   48.961139]  vfs_write+0xe7/0x3b0

 5486 21:33:36.982094  0000001043e4067 P4D 80000001043e4067 PUD 10321f067 PMD 105bd1067<4>[   48.971345]  ksys_write+0x68/0xf0

 5487 21:33:36.988710  <4>[   48.981552]  do_syscall_64+0x30/0x40

 5488 21:33:36.988816   PTE 10729d067

 5489 21:33:36.992590  # [   39.249538] Oops: 0011 [#10] SMP PTI

 5490 21:33:36.998640  # [  <4>[   48.985835]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5491 21:33:37.005154  <4>[   48.997978] RIP: 0033:0x7f4d05305473

 5492 21:33:37.031556   39.253817] CPU: 3 PID: 1758 Comm: cat Tainted: G      D W      <4>[   49.002261] 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

 5493 21:33:37.034767     5.10.212-cip44 #1

 5494 21:33:37.047773  # [   39.262756] Hardware name: Google Ram<4>[   49.029749] RSP: 002b:00007ffd387acb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5495 21:33:37.054855  <4>[   49.044726] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4d05305473

 5496 21:33:37.057995  mus/Rammus, BIOS  09/04/2020

 5497 21:33:37.068316  # [   39.269853] RIP: 0010:0x7fadc<4>[   49.052990] RDX: 000000000000001f RSI: 00007f4d051f9000 RDI: 0000000000000001

 5498 21:33:37.077881  <4>[   49.067465] RBP: 00007f4d051f9000 R08: 00007f4d051f8010 R09: 0000000000000000

 5499 21:33:37.083962  <4>[   49.075730] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5500 21:33:37.087453  28d4000

 5501 21:33:37.100416  # [   39.274135] Code: Unable to access opcode bytes at<4>[   49.083995] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5502 21:33:37.100536   RIP 0x7fadc28d3fd6.

 5503 21:33:37.110569  # [   39.281714] RSP: 0018:ffffb1e20259fe5<4>[   49.098474] irq event stamp: 0

 5504 21:33:37.118114  <4>[   49.108387] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5505 21:33:37.120327  0 EFLAGS: 00010246

 5506 21:33:37.133615  # [   39.287837] RAX: 0000000000000033 RBX: <4>[   49.115697] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5507 21:33:37.143553  <4>[   49.131333] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5508 21:33:37.147315  0000000000000024 RCX: 0000000000000000

 5509 21:33:37.157166  # [   39.296104] RDX: 00<4>[   49.140763] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5510 21:33:37.160369  00000000000000 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 5511 21:33:37.167387  # [ <4>[   49.154266] ---[ end trace c17c1eb82cc650dd ]---

 5512 21:33:37.179977    39.304363] RBP: 00007fadc28d4000 R08: 0000000000000000 R09: 00<6>[   49.165931] lkdtm: Negative detected: saturated

 5513 21:33:37.180098  00000000000000

 5514 21:33:37.190100  # [   39.312621] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 5515 21:33:37.196411  # [   39.320881] R13: ffffb1e20259ff10 R14: ffffb1e20259ff10 R15: ffff9e2584783000

 5516 21:33:37.206202  # [   39.329141] FS:  00007fadc28a5580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 5517 21:33:37.213017  # [   39.338468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5518 21:33:37.219621  # [   39.345172] CR2: 00007fadc28d4000 CR3: 0000000103e78004 CR4: 00000000003706e0

 5519 21:33:37.223447  # [   39.353431] Call Trace:

 5520 21:33:37.229646  # [   39.356451]  ? __die_body.cold+0x1a/0x1f

 5521 21:33:37.232623  # [   39.361120]  ? no_context+0x177/0x380

 5522 21:33:37.239718  # [   39.365489]  ? exc_page_fault+0x53/0x170

 5523 21:33:37.242418  # [   39.370158]  ? asm_exc_page_fault+0x1e/0x30

 5524 21:33:37.248908  # [   39.375121]  ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae

 5525 21:33:37.252380  # [   39.380758]  ? direct_entry.cold+0x2c/0x38

 5526 21:33:37.259342  # [   39.385621]  ? full_proxy_write+0x53/0x80

 5527 21:33:37.262081  # [   39.390387]  ? vfs_write+0xe7/0x3b0

 5528 21:33:37.265936  # [   39.394570]  ? ksys_write+0x68/0xf0

 5529 21:33:37.272240  # [   39.398743]  ? do_syscall_64+0x30/0x40

 5530 21:33:37.278744  # [   39.403208]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5531 21:33:37.331861  # [   39.409335] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 5532 21:33:37.334856  # [   39.468321] CR2: 00007fadc28d4000

 5533 21:33:37.341341  # [   39.472308] ---[ end trace c17c1eb82cc650cf ]---

 5534 21:33:37.344703  # [   39.477754] RIP: 0010:lkdtm_BUG+0x5/0x10

 5535 21:33:37.367748  # [   39.482422] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 5536 21:33:37.374537  # [   39.503701] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 5537 21:33:37.381501  # [   39.509825] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 5538 21:33:37.391253  # [   39.518085] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 5539 21:33:37.397738  # [   39.526344] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 5540 21:33:37.407157  # [   39.534603] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5541 21:33:37.414151  # [   39.542862] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 5542 21:33:37.424106  # [   39.551122] FS:  00007fadc28a5580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 5543 21:33:37.431079  # [   39.560440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5544 21:33:37.437238  # [   39.567147] CR2: 00007fadc28d4000 CR3: 0000000103e78004 CR4: 00000000003706e0

 5545 21:33:37.443906  # EXEC_USERSPACE: saw 'call trace:': ok

 5546 21:33:37.447251  ok 35 selftests: lkdtm: EXEC_USERSPACE.sh

 5547 21:33:37.450076  # selftests: lkdtm: EXEC_NULL.sh

 5548 21:33:37.450188  # Killed

 5549 21:33:37.457941  <6>[   49.445443] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 5550 21:33:37.463672  <6>[   49.455513] lkdtm: attempting safe refcount_inc_not_zero() from zero

 5551 21:33:37.470009  <6>[   49.462934] lkdtm: Good: zero detected

 5552 21:33:37.470126  

 5553 21:33:37.473532  # [   39.678449] lkdtm: Performing direct entry EXEC_NULL

 5554 21:33:37.480752  # [ <6>[   49.467412] lkdtm: Correctly stayed at zero

 5555 21:33:37.486487  <6>[   49.478592] lkdtm: attempting bad refcount_inc() from zero

 5556 21:33:37.493122  <4>[   49.485041] ------------[ cut here ]------------

 5557 21:33:37.499866  <4>[   49.490490] refcount_t: addition on 0; use-after-free.

 5558 21:33:37.509757  <4>[   49.496595] WARNING: CPU: 3 PID: 2284 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 5559 21:33:37.512716    39.686939] lkdtm: attempting ok execution at ffffffffa157e9c0

 5560 21:33:37.565377  <4>[   49.506324] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 5561 21:33:37.575607  <4>[   49.565307] CPU: 3 PID: 2284 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5562 21:33:37.575749  

 5563 21:33:37.588349  # [   39.693751] lkdtm: attempting bad execution at 00000000000<4>[   49.574267] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5564 21:33:37.594885  <4>[   49.587572] RIP: 0010:refcount_warn_saturate+0x74/0x110

 5565 21:33:37.618683  <4>[   49.593731] Code: 02 01 e8 81 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7 a2 c6 05 17 cd 36 02 01 e8 5e 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7

 5566 21:33:37.621320  <4>[   49.615009] RSP: 0018:ffffb1e202dafe48 EFLAGS: 00010286

 5567 21:33:37.631389  <4>[   49.621137] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 5568 21:33:37.638666  <4>[   49.629401] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 5569 21:33:37.647839  <4>[   49.637665] RBP: ffffffffa2e1a999 R08: 0000000000000000 R09: 0000000000000000

 5570 21:33:37.654839  <4>[   49.645931] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5571 21:33:37.664824  <4>[   49.654195] R13: ffffb1e202daff10 R14: ffffb1e202daff10 R15: ffff9e25845f9000

 5572 21:33:37.674845  <4>[   49.662463] FS:  00007f43b11f0580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 5573 21:33:37.680901  <4>[   49.671800] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5574 21:33:37.687486  <4>[   49.678512] CR2: 00007f43b0ffa000 CR3: 0000000104996003 CR4: 00000000003706e0

 5575 21:33:37.691137  <4>[   49.686777] Call Trace:

 5576 21:33:37.694102  <4>[   49.689802]  ? __warn+0x80/0x110

 5577 21:33:37.700758  <4>[   49.693726]  ? refcount_warn_saturate+0x74/0x110

 5578 21:33:37.704104  <4>[   49.699178]  ? report_bug+0x9e/0xc0

 5579 21:33:37.710981  <4>[   49.703396]  ? handle_bug+0x41/0x90

 5580 21:33:37.714170  <4>[   49.707582]  ? exc_invalid_op+0x14/0x70

 5581 21:33:37.717637  <4>[   49.712159]  ? asm_exc_invalid_op+0x12/0x20

 5582 21:33:37.723620  <4>[   49.717128]  ? refcount_warn_saturate+0x74/0x110

 5583 21:33:37.723744  00000

 5584 21:33:37.737148  # [   39.706882] BUG: kernel NULL pointer dereference, ad<4>[   49.722604]  ? refcount_warn_saturate+0x74/0x110

 5585 21:33:37.740698  <4>[   49.734261]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 5586 21:33:37.746848  <4>[   49.739516]  direct_entry.cold+0x2c/0x38

 5587 21:33:37.746976  dress: 0000000000000000

 5588 21:33:37.757584  # [   39.721141] #PF: supervisor instru<4>[   49.744192]  full_proxy_write+0x53/0x80

 5589 21:33:37.760065  ction fetch in kernel mode

 5590 21:33:37.767071  # [   39.727753] #PF: error_code(0x0<4>[   49.754981]  vfs_write+0xe7/0x3b0

 5591 21:33:37.770234  010) - not-present page

 5592 21:33:37.773239  # [   39.733780] PGD 0 P4D 0 

 5593 21:33:37.777245  # [   39<4>[   49.765186]  ksys_write+0x68/0xf0

 5594 21:33:37.780191  <4>[   49.775410]  do_syscall_64+0x30/0x40

 5595 21:33:37.784044  .736896] Oops: 0010 [#11] SMP PTI

 5596 21:33:37.793263  # [   39.747388] CPU: 1 PID: <4>[   49.779701]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5597 21:33:37.796303  <4>[   49.791845] RIP: 0033:0x7f43b1106473

 5598 21:33:37.819800  <4>[   49.796127] 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

 5599 21:33:37.829809  <4>[   49.817408] RSP: 002b:00007ffc746771e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5600 21:33:37.836168  <4>[   49.826195] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f43b1106473

 5601 21:33:37.846053  <4>[   49.834461] RDX: 0000000000000012 RSI: 00007f43b0ffa000 RDI: 0000000000000001

 5602 21:33:37.852672  <4>[   49.842726] RBP: 00007f43b0ffa000 R08: 00007f43b0ff9010 R09: 0000000000000000

 5603 21:33:37.862570  <4>[   49.850990] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5604 21:33:37.869081  <4>[   49.859255] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5605 21:33:37.872004  <4>[   49.867524] irq event stamp: 0

 5606 21:33:37.878810  1795 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5607 21:33:37.885563  # <4>[   49.871249] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5608 21:33:37.895793  <4>[   49.884755] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5609 21:33:37.905892  <4>[   49.894184] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5610 21:33:37.912124  <4>[   49.903615] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5611 21:33:37.918876  <4>[   49.910908] ---[ end trace c17c1eb82cc650de ]---

 5612 21:33:37.921619  <6>[   49.916358] lkdtm: Zero detected: saturated

 5613 21:33:37.928563  [   39.756333] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5614 21:33:37.931416  # [   39.763430] RIP: 0010:0x0

 5615 21:33:37.941345  # [   39.766643] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 5616 21:33:37.948283  # [   39.774613] RSP: 0018:ffffb1e202637e48 EFLAGS: 00010246

 5617 21:33:37.954800  # [   39.780729] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 5618 21:33:37.965120  # [   39.788989] RDX: 0000000000000000 RSI: ffff9e25fac9bf50 RDI: ffff9e25fac9bf50

 5619 21:33:37.971155  # [   39.797249] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 5620 21:33:37.978068  # [   39.805509] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 5621 21:33:37.988305  # [   39.813769] R13: ffffb1e202637f10 R14: ffffb1e202637f10 R15: ffff9e2583270000

 5622 21:33:37.997934  # [   39.822029] FS:  00007f5db2614580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000

 5623 21:33:38.004825  # [   39.831357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5624 21:33:38.012343  # [   39.838063] CR2: ffffffffffffffd6 CR3: 0000000103904006 CR4: 00000000003706e0

 5625 21:33:38.014256  # [   39.846324] Call Trace:

 5626 21:33:38.018204  # [   39.849346]  ? __die_body.cold+0x1a/0x1f

 5627 21:33:38.024153  # [   39.854016]  ? no_context+0x177/0x380

 5628 21:33:38.027870  # [   39.864607]  ? exc_page_fault+0x53/0x170

 5629 21:33:38.034216  # [   39.869278]  ? asm_exc_page_fault+0x1e/0x30

 5630 21:33:38.037257  # [   39.880453]  execute_location+0x45/0x56

 5631 21:33:38.047453  # [   39.891240]  direct_entry.cold+0x2c<6>[   50.033605] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 5632 21:33:38.047565  /0x38

 5633 21:33:38.054081  # [   39.895899]  full_proxy_write+0x53/0x80

 5634 21:33:38.060098  # [   39.90<6>[   50.046073] lkdtm: attempting safe refcount_add_not_zero() from zero

 5635 21:33:38.063936  0473]  vfs_write+0xe7/0x3b0

 5636 21:33:38.073269  # [   39.910673]  ksys_write+0x68/0<6>[   50.059731] lkdtm: Good: zero detected

 5637 21:33:38.073406  xf0

 5638 21:33:38.076797  # [   39.914653]  do_syscall_64+0x30/0x40

 5639 21:33:38.083394  # [   39.918923]<6>[   50.070428] lkdtm: Correctly stayed at zero

 5640 21:33:38.086961    entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5641 21:33:38.097005  # [   39.924853] RIP<6>[   50.081595] lkdtm: attempting bad refcount_add() from zero

 5642 21:33:38.097124  : 0033:0x7f5db252a473

 5643 21:33:38.106474  # [   39.929132] Code: 8b 15 21 2a 0e 00 <4>[   50.094282] ------------[ cut here ]------------

 5644 21:33:38.120088  f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 1<4>[   50.105915] refcount_t: addition on 0; use-after-free.

 5645 21:33:38.136583  8 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff <4>[   50.118290] WARNING: CPU: 0 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 5646 21:33:38.140428  77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5647 21:33:38.195664  # [   39.950407<4>[   50.134106] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 5648 21:33:38.209122  ] RSP: 002b:00007ffd9c57a798 EFLAGS: 00000246 ORIG_RAX: 00000000<4>[   50.193100] CPU: 0 PID: 2317 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5649 21:33:38.212390  00000001

 5650 21:33:38.222096  # [   39.959152] RAX: ffffffffffffffda RBX: 0000000000<4>[   50.208231] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5651 21:33:38.225472  00000a RCX: 00007f5db252a473

 5652 21:33:38.235251  # [   39.967413] RDX: 000000000000<4>[   50.221565] RIP: 0010:refcount_warn_saturate+0x74/0x110

 5653 21:33:38.242304  000a RSI: 00007f5db241e000 RDI: 0000000000000001

 5654 21:33:38.262049  # [   39.97567<4>[   50.233889] Code: 02 01 e8 81 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7 a2 c6 05 17 cd 36 02 01 e8 5e 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7

 5655 21:33:38.275076  3] RBP: 00007f5db241e000 R08: 00007f5db241d010 R09: 000000000000<4>[   50.261409] RSP: 0018:ffffb1e202e1fe48 EFLAGS: 00010286

 5656 21:33:38.275169  0000

 5657 21:33:38.288291  # [   39.983926] R10: fffffffffffffbc5 R11: 00000000000002<4>[   50.273740] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 5658 21:33:38.291933  46 R12: 0000000000000001

 5659 21:33:38.304923  # [   39.992187] R13: 0000000000000001<4>[   50.288257] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50

 5660 21:33:38.308336   R14: 0000000000020000 R15: 0000000000020000

 5661 21:33:38.318058  # [   40.000451] M<4>[   50.302703] RBP: ffffffffa2e1a9ab R08: 0000000000000000 R09: 0000000000000000

 5662 21:33:38.334413  odules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_senso<4>[   50.317240] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5663 21:33:38.347936  rs cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf <4>[   50.331685] R13: ffffb1e202e1ff10 R14: ffffb1e202e1ff10 R15: ffff9e25859de000

 5664 21:33:38.363916  industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec<4>[   50.346231] FS:  00007f006488e580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 5665 21:33:38.377271  _lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videob<4>[   50.361742] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5666 21:33:38.390691  uf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gs<4>[   50.374691] CR2: 00007f0064698000 CR3: 0000000103f60005 CR4: 00000000003706f0

 5667 21:33:38.400452  mi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_com<4>[   50.389179] Call Trace:

 5668 21:33:38.410156  mon snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_h<4>[   50.398446]  ? __warn+0x80/0x110

 5669 21:33:38.420271  id cros_usbpd_notify coreboot_table cros_kbd_led_backlight chrom<4>[   50.408535]  ? refcount_warn_saturate+0x74/0x110

 5670 21:33:38.423779  eos_pstore

 5671 21:33:38.427289  # [   40.059405] CR2: 0000000000000000

 5672 21:33:38.433762  # [   40.063<4>[   50.420237]  ? report_bug+0x9e/0xc0

 5673 21:33:38.436785  392] ---[ end trace c17c1eb82cc650d0 ]---

 5674 21:33:38.443718  # [   40.068837] RIP:<4>[   50.430624]  ? handle_bug+0x41/0x90

 5675 21:33:38.446989   0010:lkdtm_BUG+0x5/0x10

 5676 21:33:38.453139  # [   40.073497] Code: 89 ff e8 4e c3 <4>[   50.441049]  ? exc_invalid_op+0x14/0x70

 5677 21:33:38.463452  79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc c<4>[   50.451823]  ? asm_exc_invalid_op+0x12/0x20

 5678 21:33:38.476351  c cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f <4>[   50.463032]  ? refcount_warn_saturate+0x74/0x110

 5679 21:33:38.482581  84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 5680 21:33:38.489816  # [   40.094<4>[   50.474669]  ? refcount_warn_saturate+0x74/0x110

 5681 21:33:38.492521  789] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 5682 21:33:38.499388  # [   40.10091<4>[   50.486346]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 5683 21:33:38.509870  4] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 000000000000<4>[   50.497804]  direct_entry.cold+0x2c/0x38

 5684 21:33:38.512452  0000

 5685 21:33:38.522649  # [   40.109175] RDX: 0000000000000000 RSI: ffff9e25fad9bf<4>[   50.508700]  full_proxy_write+0x53/0x80

 5686 21:33:38.522735  50 RDI: ffffffffa29942b0

 5687 21:33:38.532582  # [   40.117434] RBP: ffffffffa2e7f050<4>[   50.519505]  vfs_write+0xe7/0x3b0

 5688 21:33:38.536157   R08: 0000000000000001 R09: 0000000000000001

 5689 21:33:38.542491  # [   40.125695] R<4>[   50.529710]  ksys_write+0x68/0xf0

 5690 21:33:38.551940  10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004<4>[   50.539922]  do_syscall_64+0x30/0x40

 5691 21:33:38.552077  

 5692 21:33:38.565081  # [   40.133953] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R<4>[   50.550439]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5693 21:33:38.565208  15: ffff9e2583921000

 5694 21:33:38.574780  # [   40.142212] FS:  00007f5db2614580(000<4>[   50.562554] RIP: 0033:0x7f00647a4473

 5695 21:33:38.578024  0) GS:ffff9e25fac80000(0000) knlGS:0000000000000000

 5696 21:33:38.601258  # [   40.15<4>[   50.573110] 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

 5697 21:33:38.608413  1540] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5698 21:33:38.618065  # [   4<4>[   50.600622] RSP: 002b:00007ffe6dbfa9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5699 21:33:38.631404  0.158247] CR2: ffffffffffffffd6 CR3: 0000000103904006 CR4: 00000<4>[   50.615596] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f00647a4473

 5700 21:33:38.634532  000003706e0

 5701 21:33:38.647907  # [   40.166506] BUG: sleeping function called from<4>[   50.630077] RDX: 0000000000000012 RSI: 00007f0064698000 RDI: 0000000000000001

 5702 21:33:38.650851   invalid context at include/linux/percpu-rwsem.h:49

 5703 21:33:38.661191  # [   40.17<4>[   50.644586] RBP: 00007f0064698000 R08: 00007f0064697010 R09: 0000000000000000

 5704 21:33:38.674077  6707] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 179<4>[   50.659047] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5705 21:33:38.677544  5, name: cat

 5706 21:33:38.680410  # [   40.185453] INFO: lockdep is turned off.

 5707 21:33:38.690882  # [<4>[   50.673573] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5708 21:33:38.693770     40.190119] irq event stamp: 0

 5709 21:33:38.700230  # [   40.193814] hardirqs last<4>[   50.688061] irq event stamp: 0

 5710 21:33:38.704046    enabled at (0): [<0000000000000000>] 0x0

 5711 21:33:38.713604  # [   40.201103] har<4>[   50.697960] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5712 21:33:38.729744  dirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x<4>[   50.711509] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5713 21:33:38.729834  65c/0x20e0

 5714 21:33:38.743440  # [   40.210521] softirqs last  enabled at (0): [<ff<4>[   50.727143] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5715 21:33:38.750339  ffffffa0afddac>] copy_process+0x65c/0x20e0

 5716 21:33:38.756466  # [   40.219947] sof<4>[   50.742824] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5717 21:33:38.763101  tirqs last disabled at (0): [<0000000000000000>] 0x0

 5718 21:33:38.769373  # [   40.2<4>[   50.756300] ---[ end trace c17c1eb82cc650df ]---

 5719 21:33:38.779613  27237] CPU: 1 PID: 1795 Comm: cat Tainted: G      D W         5.<6>[   50.768005] lkdtm: Zero detected: saturated

 5720 21:33:38.782603  10.212-cip44 #1

 5721 21:33:38.789621  # [   40.236176] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5722 21:33:38.792483  # [   40.243270] Call Trace:

 5723 21:33:38.796349  # [   40.246289]  dump_stack+0x77/0x9b

 5724 21:33:38.802460  # [   40.250279]  ___might_sleep.cold+0xa6/0xb6

 5725 21:33:38.805969  # [   40.261352]  exit_signals+0x1c/0x300

 5726 21:33:38.809347  # [   40.265634]  do_exit+0xc2/0xab0

 5727 21:33:38.812669  # [   40.269428]  ? ksys_write+0x68/0xf0

 5728 21:33:38.815538  # [   40.273603]  make_task_dead+0x2f/0x30

 5729 21:33:38.822272  # [   40.277980]  rewind_stack_and_make_dead+0x17/0x20

 5730 21:33:38.825690  # [   40.283520] RIP: 0033:0x7f5db252a473

 5731 21:33:38.848328  # [   40.287799] 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

 5732 21:33:38.858442  # [   40.309071] RSP: 002b:00007ffd9c57a798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5733 21:33:38.865017  # [   40.317816] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5db252a473

 5734 21:33:38.871500  # [   40.326074] RDX: 000000000000000a RSI: 00007f5db241e000 RDI: 0000000000000001

 5735 21:33:38.881372  # [   40.334335] RBP: 00007f5db241e000 R08: 00007f5db241d010 R09: 0000000000000000

 5736 21:33:38.892119  # [   40.342595] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5737 21:33:38.897798  # [   40.350855] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5738 21:33:38.901411  # EXEC_NULL: saw 'call trace:': ok

 5739 21:33:38.904417  ok 36 selftests: lkdtm: EXEC_NULL.sh

 5740 21:33:38.911492  # selftests: lkdtm: ACCESS_USERSPACE.sh

 5741 21:33:38.911602  # Killed

 5742 21:33:38.918002  # [   40.474540] lkdtm: Performing direct entry ACCESS_USERSPACE

 5743 21:33:38.924575  # [   40.483766] lkdtm: attempting bad read at 00007f2144eab000

 5744 21:33:38.930894  # [   40.490226] BUG: unable to handle page fault for address: 00007f2144eab000

 5745 21:33:38.937767  # [   40.504402] #PF: supervisor read access in kernel mode

 5746 21:33:38.944050  # [   40.516644] #PF: error_code(0x0001) - permissions violation

 5747 21:33:38.953907  # [   40.523158] PGD 80000001039c9067 P4D 80000001039c9067 PUD 106193067 PMD 102bb8067 PTE 107284067

 5748 21:33:38.957140  # [   40.539386] Oops: 0001 [#12] SMP PTI

 5749 21:33:38.967125  # [   40.543666] CPU: 3 PID: 1831 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5750 21:33:38.973856  # [   40.552607] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5751 21:33:38.980235  # [   40.559697] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 5752 21:33:39.000146  # [   40.566209] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 20 b8 e1 a2 e8 5c d7 fb ff 48 c7 c7 48 b8 e1 a2 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 43 d7 fb ff 48 89 ee 48 c7 c7 70 b8 e1

 5753 21:33:39.006990  # [   40.587478] RSP: 0018:ffffb1e2026c7e48 EFLAGS: 00010246

 5754 21:33:39.017056  # [   40.593602] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000

 5755 21:33:39.023276  # [   40.601861] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa2e1b848

 5756 21:33:39.033045  # [   40.<6>[   51.020834] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 5757 21:33:39.039703  <6>[   51.030172] lkdtm: attempting bad refcount_inc() from saturated

 5758 21:33:39.043393  <4>[   51.037108] ------------[ cut here ]------------

 5759 21:33:39.049775  <4>[   51.042555] refcount_t: saturated; leaking memory.

 5760 21:33:39.059427  <4>[   51.048207] WARNING: CPU: 3 PID: 2353 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5761 21:33:39.118832  610112] RBP: 00007f2144eab000 R08: 0000000000000000 R09: 0000000<4>[   51.057946] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 5762 21:33:39.129272  <4>[   51.116937] CPU: 3 PID: 2353 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5763 21:33:39.135539  <4>[   51.125883] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5764 21:33:39.135658  000000000

 5765 21:33:39.145391  # [   40.618372] R10: 00000000ffffe000 R11: 3ffffffff<4>[   51.132985] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5766 21:33:39.168335  <4>[   51.145323] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 d7 a2 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7

 5767 21:33:39.175246  <4>[   51.166600] RSP: 0018:ffffb1e202edfe48 EFLAGS: 00010286

 5768 21:33:39.181367  <4>[   51.172727] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 5769 21:33:39.191548  <4>[   51.180990] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 5770 21:33:39.198087  <4>[   51.189252] RBP: ffffffffa2e1a9bd R08: 0000000000000000 R09: 0000000000000000

 5771 21:33:39.208025  <4>[   51.197506] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5772 21:33:39.214959  <4>[   51.205770] R13: ffffb1e202edff10 R14: ffffb1e202edff10 R15: ffff9e2584108000

 5773 21:33:39.225149  <4>[   51.214033] FS:  00007f4b663db580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 5774 21:33:39.231373  <4>[   51.223365] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5775 21:33:39.240955  <4>[   51.230074] CR2: 00007f4b661e5000 CR3: 0000000105a04001 CR4: 00000000003706e0

 5776 21:33:39.244047  <4>[   51.238338] Call Trace:

 5777 21:33:39.247841  <4>[   51.241360]  ? __warn+0x80/0x110

 5778 21:33:39.251805  <4>[   51.245279]  ? refcount_warn_saturate+0x51/0x110

 5779 21:33:39.257407  <4>[   51.250726]  ? report_bug+0x9e/0xc0

 5780 21:33:39.260447  <4>[   51.254913]  ? handle_bug+0x41/0x90

 5781 21:33:39.263942  <4>[   51.259096]  ? exc_invalid_op+0x14/0x70

 5782 21:33:39.270647  <4>[   51.263669]  ? asm_exc_invalid_op+0x12/0x20

 5783 21:33:39.277309  <4>[   51.268633]  ? refcount_warn_saturate+0x51/0x110

 5784 21:33:39.280374  <4>[   51.274105]  ? refcount_warn_saturate+0x51/0x110

 5785 21:33:39.287132  <4>[   51.279553]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 5786 21:33:39.290589  <4>[   51.285293]  direct_entry.cold+0x2c/0x38

 5787 21:33:39.297064  <4>[   51.289965]  full_proxy_write+0x53/0x80

 5788 21:33:39.300225  fffffff R12: 0000000000000011

 5789 21:33:39.306732  # [   40.626632] R13: ffffb1e2026<4>[   51.294567]  vfs_write+0xe7/0x3b0

 5790 21:33:39.310303  c7f10 R14: ffffb1e2026c7f10 R15: ffff9e25849a5000

 5791 21:33:39.316518  # [   40.6348<4>[   51.304773]  ksys_write+0x68/0xf0

 5792 21:33:39.327279  84] FS:  00007f2144e7c580(0000) GS:ffff9e25fad80000(0000) knlGS:<4>[   51.314980]  do_syscall_64+0x30/0x40

 5793 21:33:39.333709  <4>[   51.325477]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5794 21:33:39.336413  <4>[   51.331435] RIP: 0033:0x7f4b662f1473

 5795 21:33:39.359240  <4>[   51.335716] 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

 5796 21:33:39.366132  <4>[   51.356992] RSP: 002b:00007fffa2d81598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5797 21:33:39.375896  <4>[   51.365762] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f4b662f1473

 5798 21:33:39.376015  0000000000000000

 5799 21:33:39.389658  # [   40.644210] CS:  0010 DS: 0000 ES: 0000 C<4>[   51.374038] RDX: 0000000000000017 RSI: 00007f4b661e5000 RDI: 0000000000000001

 5800 21:33:39.398949  <4>[   51.388506] RBP: 00007f4b661e5000 R08: 00007f4b661e4010 R09: 0000000000000000

 5801 21:33:39.406174  <4>[   51.396791] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5802 21:33:39.409032  R0: 0000000080050033

 5803 21:33:39.422446  # [   40.650916] CR2: 00007f2144eab000 CR3<4>[   51.405054] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5804 21:33:39.425717  <4>[   51.419531] irq event stamp: 0

 5805 21:33:39.432272  <4>[   51.423252] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5806 21:33:39.442153  <4>[   51.430543] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5807 21:33:39.452058  <4>[   51.439970] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5808 21:33:39.458858  <4>[   51.449398] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5809 21:33:39.465702  <4>[   51.456690] ---[ end trace c17c1eb82cc650e0 ]---

 5810 21:33:39.468589  <6>[   51.462135] lkdtm: Saturation detected: still saturated

 5811 21:33:39.474764  : 000000010480a003 CR4: 00000000003706e0

 5812 21:33:39.478153  # [   40.659176] Call Trace:

 5813 21:33:39.481751  # [   40.662195]  ? __die_body.cold+0x1a/0x1f

 5814 21:33:39.484912  # [   40.666865]  ? no_context+0x177/0x380

 5815 21:33:39.491415  # [   40.671243]  ? exc_page_fault+0x53/0x170

 5816 21:33:39.494816  # [   40.675913]  ? asm_exc_page_fault+0x1e/0x30

 5817 21:33:39.501231  # [   40.680892]  ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 5818 21:33:39.507791  # [   40.686726]  ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3

 5819 21:33:39.511079  # [   40.692560]  direct_entry.cold+0x2c/0x38

 5820 21:33:39.515118  # [   40.697230]  full_proxy_write+0x53/0x80

 5821 21:33:39.521420  # [   40.701802]  vfs_write+0xe7/0x3b0

 5822 21:33:39.524449  # [   40.705792]  ksys_write+0x68/0xf0

 5823 21:33:39.527439  # [   40.709781]  do_syscall_64+0x30/0x40

 5824 21:33:39.534110  # [   40.714061]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5825 21:33:39.537697  # [   40.719989] RIP: 0033:0x7f2144d92473

 5826 21:33:39.557290  # [   40.724268] 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

 5827 21:33:39.567875  # [   40.745531] RSP: 002b:00007fff57cfe868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5828 21:33:39.577841  # [   40.754273] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f2144d92473

 5829 21:33:39.583728  # [   40.762533] RDX: 0000000000000011 RSI: 00007f2144c86000 RDI: 0000000000000001

 5830 21:33:39.590325  # [   40.770806] RBP: 00007f2144c86000 R08: 00007f2144c85010 R09: 0000000000000000

 5831 21:33:39.600200  # [   40.779066] R10: ff<6>[   51.590848] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 5832 21:33:39.607245  <6>[   51.599726] lkdtm: attempting bad refcount_dec() from saturated

 5833 21:33:39.614178  <4>[   51.606660] ------------[ cut here ]------------

 5834 21:33:39.620612  fffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5835 21:33:39.627043  # [ <4>[   51.612138] refcount_t: decrement hit 0; leaking memory.

 5836 21:33:39.643236    40.787325] R13: 0000000000000001 R14: 0000000000020000 R15: 00<4>[   51.624589] WARNING: CPU: 2 PID: 2389 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5837 21:33:39.695919  <4>[   51.640507] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 5838 21:33:39.696094  00000000020000

 5839 21:33:39.709117  # [   40.795590] Modules linked in: fuse ip_tabl<4>[   51.693295] CPU: 2 PID: 2389 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5840 21:33:39.715870  <4>[   51.708443] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5841 21:33:39.722115  <4>[   51.715546] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5842 21:33:39.745555  <4>[   51.721707] Code: 50 54 d7 a2 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 54 d7 a2 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5843 21:33:39.751790  <4>[   51.743029] RSP: 0018:ffffb1e202f7fe48 EFLAGS: 00010286

 5844 21:33:39.758476  <4>[   51.749160] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 5845 21:33:39.768453  <4>[   51.757429] RDX: ffff9e25fad2c620 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50

 5846 21:33:39.775547  <4>[   51.765707] RBP: ffffffffa2e1a9d4 R08: 0000000000000000 R09: 0000000000000000

 5847 21:33:39.784554  <4>[   51.774006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5848 21:33:39.791220  <4>[   51.782269] R13: ffffb1e202f7ff10 R14: ffffb1e202f7ff10 R15: ffff9e25846e1000

 5849 21:33:39.801287  <4>[   51.790536] FS:  00007f8cd8f89580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 5850 21:33:39.808336  <4>[   51.799868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5851 21:33:39.817920  <4>[   51.806580] CR2: 00007f8cd8d93000 CR3: 00000001044a4005 CR4: 00000000003706e0

 5852 21:33:39.818039  <4>[   51.814845] Call Trace:

 5853 21:33:39.824724  <4>[   51.817871]  ? __warn+0x80/0x110

 5854 21:33:39.827524  <4>[   51.821798]  ? refcount_warn_saturate+0xfb/0x110

 5855 21:33:39.834194  <4>[   51.827280]  ? report_bug+0x9e/0xc0

 5856 21:33:39.838537  <4>[   51.831498]  ? handle_bug+0x41/0x90

 5857 21:33:39.840910  <4>[   51.835717]  ? exc_invalid_op+0x14/0x70

 5858 21:33:39.847816  <4>[   51.840323]  ? asm_exc_invalid_op+0x12/0x20

 5859 21:33:39.851269  <4>[   51.845307]  ? refcount_warn_saturate+0xfb/0x110

 5860 21:33:39.864072  es cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indust<4>[   51.850767]  ? refcount_warn_saturate+0xfb/0x110

 5861 21:33:39.871231  <4>[   51.862425]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 5862 21:33:39.873779  <4>[   51.868165]  direct_entry.cold+0x2c/0x38

 5863 21:33:39.880399  <4>[   51.872840]  full_proxy_write+0x53/0x80

 5864 21:33:39.883935  <4>[   51.877445]  vfs_write+0xe7/0x3b0

 5865 21:33:39.887114  <4>[   51.881463]  ksys_write+0x68/0xf0

 5866 21:33:39.890193  <4>[   51.885487]  do_syscall_64+0x30/0x40

 5867 21:33:39.903436  rialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf<4>[   51.889803]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5868 21:33:39.913433  2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cr<4>[   51.901950] RIP: 0033:0x7f8cd8e9f473

 5869 21:33:39.937029  <4>[   51.912446] 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

 5870 21:33:39.949785  os_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cro<4>[   51.933732] RSP: 002b:00007ffc4e911e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5871 21:33:39.959812  <4>[   51.948683] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8cd8e9f473

 5872 21:33:39.966738  <4>[   51.956948] RDX: 0000000000000017 RSI: 00007f8cd8d93000 RDI: 0000000000000001

 5873 21:33:39.976401  <4>[   51.965214] RBP: 00007f8cd8d93000 R08: 00007f8cd8d92010 R09: 0000000000000000

 5874 21:33:39.982766  <4>[   51.973478] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5875 21:33:39.992705  <4>[   51.981741] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5876 21:33:39.995996  <4>[   51.990008] irq event stamp: 0

 5877 21:33:40.003044  <4>[   51.993712] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5878 21:33:40.012588  <4>[   52.001005] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5879 21:33:40.023045  <4>[   52.010434] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5880 21:33:40.029321  <4>[   52.019863] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5881 21:33:40.036292  <4>[   52.027155] ---[ end trace c17c1eb82cc650e1 ]---

 5882 21:33:40.039137  <6>[   52.032601] lkdtm: Saturation detected: still saturated

 5883 21:33:40.062711  s_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 5884 21:33:40.065867  # [   40.854568] CR2: 00007f2144eab000

 5885 21:33:40.073000  # [   40.858556] ---[ end trace c17c1eb82cc650d1 ]---

 5886 21:33:40.079037  # [   40.863994] RIP: 0010:lkdtm_BUG+0x5/0x10

 5887 21:33:40.098355  # [   40.868662] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 5888 21:33:40.105680  # [   40.889933] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 5889 21:33:40.112355  # [   40.896056] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 5890 21:33:40.121731  # [   40.904315] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 5891 21:33:40.131467  # [   40.912589] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 5892 21:33:40.138023  # [   40.920853] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5893 21:33:40.148305  # [   40.929112] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 5894 21:33:40.158402  # [   40.937371] FS:  00007f2144e7c580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 5895 21:33:40.164386  # [   40.946699] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5896 21:33:40.171048  # [   40.953405] CR2: 00007f2144eab000 CR3: 000000010480a003 CR4: 00000000003706e0

 5897 21:33:40.174395  # ACCESS_USERSPACE: saw 'call trace:': ok

 5898 21:33:40.181425  ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh

 5899 21:33:40.184542  # selftests: lkdtm: ACCESS_NULL.sh

 5900 21:33:40.184625  # Killed

 5901 21:33:40.190796  # [   41.072259] lkdtm: Performing direct entry ACCESS_NULL

 5902 21:33:40.197558  # [   41.079627] lkdtm: attempting bad read at 0000000000000000

 5903 21:33:40.206968  # [   41.092269] BUG: kernel NULL pointer dereference, address: 0000000000000000

 5904 21:33:40.210398  # [   41.106531] #PF: supervisor read access in kernel mode

 5905 21:33:40.217256  # [   41.112557] #PF: error_code(0x0000) - not-present page

 5906 21:33:40.220239  # [   41.118584] PGD 0 P4D 0 

 5907 21:33:40.223466  # [   41.121700] Oops: 0000 [#13] SMP PTI

 5908 21:33:40.233464  # [   41.125979] CPU: 0 PID: 1867 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5909 21:33:40.240134  # [   41.134918] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5910 21:33:40.246804  # [   41.142017] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 5911 21:33:40.266192  # [   41.147565] Code: 00 d7 fb ff be 00 10 00 00 48 89 ef e8 79 10 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 20 b8 e1 a2 e8 da d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 48 b8 e1 a2 48 01

 5912 21:33:40.272685  # [   41.168835] RSP: 0018:ffffb1e202757e58 EFLAGS: 00010246

 5913 21:33:40.283438  # [   41.174949] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 5914 21:33:40.289641  # [   41.183207] RDX: 0000000000000000 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50

 5915 21:33:40.299497  # [   41.191466] RBP: ffffffffa2e1a911 R08: 0000000000000000 R09: 0000000000000000

 5916 21:33:40.309561  # [   41.199725] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 5917 21:33:40.315801  # [   41.207984] R13: ffffb1e202757f10 R14: ffffb1e202757f10 R15: ffff9e25869f6000

 5918 21:33:40.325627  # [   41.216244] FS:  00007f1604184580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 5919 21:33:40.332287  # [   41.225572] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5920 21:33:40.342005  # [   41.232277] CR2: 0000000000000000 CR3: 0000000103c84006 CR4: 00000000003706f0

 5921 21:33:40.345048  # [   41.240536] Call Trace:

 5922 21:33:40.348519  # [   41.243556]  ? __die_body.cold+0x1a/0x1f

 5923 21:33:40.355060  # [   41.248231]  ? no_context+0x177/0x380

 5924 21:33:40.358258  # [   41.252616]  ? exc_page_fault+0x53/0x170

 5925 21:33:40.361723  # [   41.257290]  ? asm_exc_page_fault+0x1e/0x30

 5926 21:33:40.368023  # [   41.262251]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5927 21:33:40.374799  # [   41.267119]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5928 21:33:40.377899  # [   41.271981]  direct_entry.cold+0x2c/0x38

 5929 21:33:40.381450  # [   41.276642]  full_proxy_write+0x53/0x80

 5930 21:33:40.387912  # [   41.281219]  vfs_write+0xe7/0x3b0

 5931 21:33:40.391177  # [   41.285213]  ksys_write+0x68/0xf0

 5932 21:33:40.394607  # [   41.289202]  do_syscall_64+0x30/0x40

 5933 21:33:40.401039  # [   41.293481]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5934 21:33:40.404691  # [   41.299404] RIP: 0033:0x7f160409a473

 5935 21:33:40.427478  # [   41.303684] 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

 5936 21:33:40.436850  # [   41.324955] RSP: 002b:00007ffdcc7a8b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5937 21:33:40.443519  # [   41.333701] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f160409a473

 5938 21:33:40.453488  # [   41.341959] RDX: 000000000000000c RSI: 00007f1603f8e000 RDI: 0000000000000001

 5939 21:33:40.463572  # [   41.350218] RBP: 00007f1603f8e000 R08: 00007f1603f8d010 R09: 0000000000000000

 5940 21:33:40.470392  # [   41.358479] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5941 21:33:40.480591  # [   41.366737] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5942 21:33:40.533122  # [   41.375001] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 5943 21:33:40.536400  # [   41.427765] CR2: 0000000000000000

 5944 21:33:40.539697  # [   41.431754] ---[ end trace c17c1eb82cc650d2 ]---

 5945 21:33:40.546400  # [   41.437192] RIP: 0010:lkdtm_BUG+0x5/0x10

 5946 21:33:40.565667  # [   41.441860] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 5947 21:33:40.575579  # [   41.463123] <6>[   52.565828] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 5948 21:33:40.582457  <6>[   52.573753] lkdtm: attempting bad refcount_dec() from saturated

 5949 21:33:40.589247  <4>[   52.580665] ------------[ cut here ]------------

 5950 21:33:40.592547  <4>[   52.586113] refcount_t: saturated; leaking memory.

 5951 21:33:40.601801  <4>[   52.591767] WARNING: CPU: 3 PID: 2425 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5952 21:33:40.609129  RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 5953 21:33:40.661376  # [   41.469238] RA<4>[   52.601495] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 5954 21:33:40.671888  <4>[   52.660490] CPU: 3 PID: 2425 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5955 21:33:40.677823  <4>[   52.669447] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5956 21:33:40.684554  <4>[   52.676546] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5957 21:33:40.704155  <4>[   52.682672] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 d7 a2 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7

 5958 21:33:40.710723  <4>[   52.703947] RSP: 0018:ffffb1e20301fe48 EFLAGS: 00010286

 5959 21:33:40.720593  <4>[   52.710073] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 5960 21:33:40.727230  <4>[   52.718336] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 5961 21:33:40.737035  <4>[   52.726599] RBP: ffffffffa2e1a9eb R08: 0000000000000000 R09: 0000000000000000

 5962 21:33:40.744384  <4>[   52.734860] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5963 21:33:40.753236  <4>[   52.743114] R13: ffffb1e20301ff10 R14: ffffb1e20301ff10 R15: ffff9e25844c1000

 5964 21:33:40.763533  <4>[   52.751378] FS:  00007fd7d74d7580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 5965 21:33:40.770012  <4>[   52.760707] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5966 21:33:40.776711  <4>[   52.767417] CR2: 00007fd7d72e1000 CR3: 0000000106340003 CR4: 00000000003706e0

 5967 21:33:40.779834  <4>[   52.775677] Call Trace:

 5968 21:33:40.783347  <4>[   52.778699]  ? __warn+0x80/0x110

 5969 21:33:40.790043  <4>[   52.782617]  ? refcount_warn_saturate+0x51/0x110

 5970 21:33:40.792962  <4>[   52.788066]  ? report_bug+0x9e/0xc0

 5971 21:33:40.800185  <4>[   52.792253]  ? handle_bug+0x41/0x90

 5972 21:33:40.803150  <4>[   52.796461]  ? exc_invalid_op+0x14/0x70

 5973 21:33:40.806536  <4>[   52.801035]  ? asm_exc_invalid_op+0x12/0x20

 5974 21:33:40.812912  <4>[   52.806000]  ? refcount_warn_saturate+0x51/0x110

 5975 21:33:40.819490  <4>[   52.811469]  ? refcount_warn_saturate+0x51/0x110

 5976 21:33:40.822801  <4>[   52.816916]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 5977 21:33:40.829472  <4>[   52.822654]  direct_entry.cold+0x2c/0x38

 5978 21:33:40.832810  <4>[   52.827345]  full_proxy_write+0x53/0x80

 5979 21:33:40.839291  <4>[   52.831922]  vfs_write+0xe7/0x3b0

 5980 21:33:40.842246  X: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 5981 21:33:40.848996  <4>[   52.835940]  ksys_write+0x68/0xf0

 5982 21:33:40.849108  

 5983 21:33:40.859034  # [   41.477496] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RD<4>[   52.846145]  do_syscall_64+0x30/0x40

 5984 21:33:40.859151  I: ffffffffa29942b0

 5985 21:33:40.868951  # [   41.485747] RBP: ffffffffa2e7f050 R08:<4>[   52.856643]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5986 21:33:40.875560  <4>[   52.868790] RIP: 0033:0x7fd7d73ed473

 5987 21:33:40.895380  <4>[   52.873071] 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

 5988 21:33:40.905000  <4>[   52.894346] RSP: 002b:00007ffe64732348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5989 21:33:40.911826  <4>[   52.903096] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd7d73ed473

 5990 21:33:40.922406  <4>[   52.911378] RDX: 0000000000000017 RSI: 00007fd7d72e1000 RDI: 0000000000000001

 5991 21:33:40.924949   0000000000000001 R09: 0000000000000001

 5992 21:33:40.935679  # [   41.494006] R10: 0<4>[   52.919671] RBP: 00007fd7d72e1000 R08: 00007fd7d72e0010 R09: 0000000000000000

 5993 21:33:40.944683  <4>[   52.934140] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5994 21:33:40.952223  <4>[   52.942403] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5995 21:33:40.954829  <4>[   52.950671] irq event stamp: 0

 5996 21:33:40.964262  <4>[   52.954393] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5997 21:33:40.972212  <4>[   52.961686] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5998 21:33:40.981843  <4>[   52.971116] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 5999 21:33:40.991987  <4>[   52.980546] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6000 21:33:40.994812  <4>[   52.987837] ---[ end trace c17c1eb82cc650e2 ]---

 6001 21:33:41.001130  <6>[   52.993299] lkdtm: Saturation detected: still saturated

 6002 21:33:41.007123  0000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 6003 21:33:41.013685  # [   41.502266] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 6004 21:33:41.024094  # [   41.510525] FS:  00007f1604184580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 6005 21:33:41.030582  # [   41.519852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6006 21:33:41.040285  # [   41.526559] CR2: 0000000000000000 CR3: 0000000103c84006 CR4: 00000000003706f0

 6007 21:33:41.050072  # [   41.534817] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 6008 21:33:41.056918  # [   41.545021] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1867, name: cat

 6009 21:33:41.063463  # [   41.553755] INFO: lockdep is turned off.

 6010 21:33:41.067011  # [   41.558421] irq event stamp: 0

 6011 21:33:41.073928  # [   41.562118] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6012 21:33:41.083050  # [   41.569406] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6013 21:33:41.093671  # [   41.578831] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6014 21:33:41.100262  # [   41.588255] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6015 21:33:41.106145  # [   41.595546] CPU: 0 PID: 1867 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6016 21:33:41.116044  # [   41.604484] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6017 21:33:41.116176  # [   41.611578] Call Trace:

 6018 21:33:41.122837  # [   41.614596]  dump_stack+0x77/0x9b

 6019 21:33:41.132924  # [   41.618592]  ___might_sleep.cold+<6>[   53.117547] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 6020 21:33:41.136035  0xa6/0xb6

 6021 21:33:41.139438  # [   41.623457]  exit_signals+0x1c/0x300

 6022 21:33:41.145952  # [   41.6<6>[   53.131740] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 6023 21:33:41.149319  27742]  do_exit+0xc2/0xab0

 6024 21:33:41.159093  # [   41.631537]  ? ksys_write+0x68/<4>[   53.145736] ------------[ cut here ]------------

 6025 21:33:41.159213  0xf0

 6026 21:33:41.162815  # [   41.635711]  make_task_dead+0x2f/0x30

 6027 21:33:41.172289  # [   41.64008<4>[   53.157419] refcount_t: saturated; leaking memory.

 6028 21:33:41.175528  8]  rewind_stack_and_make_dead+0x17/0x20

 6029 21:33:41.185739  # [   41.645620] RIP: <4>[   53.169396] WARNING: CPU: 0 PID: 2458 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6030 21:33:41.188857  0033:0x7f160409a473

 6031 21:33:41.244748  # [   41.649900] Code: 8b 15 21 2a 0e 00 f7<4>[   53.185249] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 6032 21:33:41.261318   d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 <4>[   53.244308] CPU: 0 PID: 2458 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6033 21:33:41.274560  00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77<4>[   53.259430] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6034 21:33:41.277512   55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6035 21:33:41.287631  # [   41.671161] <4>[   53.272773] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6036 21:33:41.313889  RSP: 002b:00007ffdcc7a8b68 EFLAGS: 00000246 ORIG_RAX: 0000000000<4>[   53.285138] Code: 02 01 e8 5e 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 a2 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7

 6037 21:33:41.314035  000001

 6038 21:33:41.327269  # [   41.679907] RAX: ffffffffffffffda RBX: 000000000000<4>[   53.312604] RSP: 0018:ffffb1e2030afe38 EFLAGS: 00010282

 6039 21:33:41.330503  000c RCX: 00007f160409a473

 6040 21:33:41.340206  # [   41.688165] RDX: 00000000000000<4>[   53.324997] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6041 21:33:41.346779  0c RSI: 00007f1603f8e000 RDI: 0000000000000001

 6042 21:33:41.356738  # [   41.696425]<4>[   53.339455] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50

 6043 21:33:41.370238   RBP: 00007f1603f8e000 R08: 00007f1603f8d010 R09: 00000000000000<4>[   53.353984] RBP: ffffffffa2e1a618 R08: 0000000000000000 R09: 0000000000000000

 6044 21:33:41.370360  00

 6045 21:33:41.383017  # [   41.704676] R10: fffffffffffffbc5 R11: 0000000000000246<4>[   53.368447] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6046 21:33:41.386343   R12: 0000000000000001

 6047 21:33:41.399487  # [   41.712935] R13: 0000000000000001 R<4>[   53.382978] R13: ffffb1e2030aff10 R14: ffffb1e2030aff10 R15: ffff9e258477e000

 6048 21:33:41.402848  14: 0000000000020000 R15: 0000000000020000

 6049 21:33:41.416294  # ACCESS_NULL: saw '<4>[   53.397439] FS:  00007f1babb81580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 6050 21:33:41.416415  call trace:': ok

 6051 21:33:41.420417  ok 38 selftests: lkdtm: ACCESS_NULL.sh

 6052 21:33:41.426223  # self<4>[   53.413038] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6053 21:33:41.429088  tests: lkdtm: WRITE_RO.sh

 6054 21:33:41.432846  # Killed

 6055 21:33:41.442460  # [   41.876967] lkdtm: Per<4>[   53.425943] CR2: 00007f1bab98b000 CR3: 00000001031f6005 CR4: 00000000003706f0

 6056 21:33:41.445857  forming direct entry WRITE_RO

 6057 21:33:41.452263  # [   41.888543] lkdtm: attemptin<4>[   53.440482] Call Trace:

 6058 21:33:41.456131  g bad rodata write at ffffffffa2994730

 6059 21:33:41.462209  # [   41.895766] BUG: un<4>[   53.449692]  ? __warn+0x80/0x110

 6060 21:33:41.466042  able to handle page fault for address: ffffffffa2994730

 6061 21:33:41.472261  # [   4<4>[   53.459851]  ? refcount_warn_saturate+0x97/0x110

 6062 21:33:41.478963  1.903739] #PF: supervisor write access in kernel mode

 6063 21:33:41.483118  # [   41.<4>[   53.471476]  ? report_bug+0x9e/0xc0

 6064 21:33:41.488590  909865] #PF: error_code(0x0003) - permissions violation

 6065 21:33:41.495121  # [   4<4>[   53.481926]  ? handle_bug+0x41/0x90

 6066 21:33:41.505277  1.916376] PGD 21e29067 P4D 21e29067 PUD 21e2a063 PMD 80000000216<4>[   53.492308]  ? exc_invalid_op+0x14/0x70

 6067 21:33:41.505397  000e1 

 6068 21:33:41.508192  # [   41.924155] Oops: 0003 [#14] SMP PTI

 6069 21:33:41.515054  # [   41.9346<4>[   53.503143]  ? asm_exc_invalid_op+0x12/0x20

 6070 21:33:41.528233  47] CPU: 2 PID: 1903 Comm: cat Tainted: G      D W         5.10.<4>[   53.514307]  ? refcount_warn_saturate+0x97/0x110

 6071 21:33:41.528354  212-cip44 #1

 6072 21:33:41.538146  # [   41.943588] Hardware name: Google Rammus/Ramm<4>[   53.526007]  ? refcount_warn_saturate+0x97/0x110

 6073 21:33:41.541211  us, BIOS  09/04/2020

 6074 21:33:41.551384  # [   41.950679] RIP: 0010:lkdtm_WRITE_RO+<4>[   53.537658]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6075 21:33:41.554638  0x2e/0x3a

 6076 21:33:41.564583  # [   41.962145] Code: 00 48 c7 c7 00 b7 e1 a2 48 c7 <4>[   53.550325]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 6077 21:33:41.573961  c6 30 47 99 a2 e8 84 d9 fb ff 48 8b 05 43 e0 d4 00 ba 34 12 cd a<4>[   53.563151]  direct_entry.cold+0x2c/0x38

 6078 21:33:41.587775  b 48 c7 c7 30 b7 e1 a2 48 31 d0 <48> 89 05 2d e0 d4 00 e9 62 d9 <4>[   53.574072]  full_proxy_write+0x53/0x80

 6079 21:33:41.590431  fb ff 0f 1f 44 00 00 48 8b 05 3c ac

 6080 21:33:41.598013  # [   41.983418] RSP: 0018:<4>[   53.584852]  vfs_write+0xe7/0x3b0

 6081 21:33:41.600552  ffffb1e20280fe60 EFLAGS: 00010202

 6082 21:33:41.607240  # [   41.989542] RAX: 0000000<4>[   53.595085]  ksys_write+0x68/0xf0

 6083 21:33:41.613768  00198b861 RBX: 0000000000000028 RCX: 0000000000000000

 6084 21:33:41.618345  # [   41.<4>[   53.605286]  do_syscall_64+0x30/0x40

 6085 21:33:41.630765  997802] RDX: 00000000abcd1234 RSI: ffff9e25fad1bf50 RDI: fffffff<4>[   53.615771]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6086 21:33:41.630891  fa2e1b730

 6087 21:33:41.640290  # [   42.006061] RBP: ffffffffa2e1a91d R08: 000000000<4>[   53.627972] RIP: 0033:0x7f1baba97473

 6088 21:33:41.643349  0000000 R09: 0000000000000000

 6089 21:33:41.666549  # [   42.014321] R10: 00000000fff<4>[   53.638458] 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

 6090 21:33:41.673957  fe000 R11: 3fffffffffffffff R12: 0000000000000009

 6091 21:33:41.683416  # [   42.0225<4>[   53.665985] RSP: 002b:00007ffc00240fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6092 21:33:41.696267  81] R13: ffffb1e20280ff10 R14: ffffb1e20280ff10 R15: ffff9e25859<4>[   53.680904] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1baba97473

 6093 21:33:41.696405  53000

 6094 21:33:41.712804  # [   42.030842] FS:  00007f6cc7d69580(0000) GS:ffff9e25f<4>[   53.695424] RDX: 0000000000000020 RSI: 00007f1bab98b000 RDI: 0000000000000001

 6095 21:33:41.719774  <4>[   53.709891] RBP: 00007f1bab98b000 R08: 00007f1bab98a010 R09: 0000000000000000

 6096 21:33:41.722618  ad00000(0000) knlGS:0000000000000000

 6097 21:33:41.735875  # [   42.040170] CS:  0010<4>[   53.718199] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6098 21:33:41.738898   DS: 0000 ES: 0000 CR0: 0000000080050033

 6099 21:33:41.749098  # [   42.046875] CR2: <4>[   53.732688] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6100 21:33:41.756725  ffffffffa2994730 CR3: 00000001044de004 CR4: 00000000003706e0

 6101 21:33:41.758624  # <4>[   53.747163] irq event stamp: 0

 6102 21:33:41.762345  [   42.055138] Call Trace:

 6103 21:33:41.772249  # [   42.058158]  ? __die_body.cold+<4>[   53.757090] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6104 21:33:41.772381  0x1a/0x1f

 6105 21:33:41.778867  # [   42.062828]  ? no_context+0x177/0x380

 6106 21:33:41.788960  # [   42.<4>[   53.770581] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6107 21:33:41.791715  067208]  ? exc_page_fault+0xd7/0x170

 6108 21:33:41.805170  # [   42.071876]  ? asm_ex<4>[   53.786227] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6109 21:33:41.805299  c_page_fault+0x1e/0x30

 6110 21:33:41.818133  # [   42.076829]  ? lkdtm_WRITE_RO+0x2e/<4>[   53.801912] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6111 21:33:41.821658  <4>[   53.815383] ---[ end trace c17c1eb82cc650e3 ]---

 6112 21:33:41.821800  0x3a

 6113 21:33:41.827789  # [   42.081401]  direct_entry.cold+0x2c/0x38

 6114 21:33:41.834990  # [   42.08<6>[   53.820860] lkdtm: Saturation detected: still saturated

 6115 21:33:41.837785  6071]  full_proxy_write+0x53/0x80

 6116 21:33:41.841144  # [   42.090643]  vfs_write+0xe7/0x3b0

 6117 21:33:41.844237  # [   42.094631]  ksys_write+0x68/0xf0

 6118 21:33:41.851874  # [   42.098619]  do_syscall_64+0x30/0x40

 6119 21:33:41.854515  # [   42.102889]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6120 21:33:41.861507  # [   42.108819] RIP: 0033:0x7f6cc7c7f473

 6121 21:33:41.881004  # [   42.113098] 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

 6122 21:33:41.890448  # [   42.134369] RSP: 002b:00007ffeec405178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6123 21:33:41.897598  # [   42.143114] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f6cc7c7f473

 6124 21:33:41.907000  # [   42.151375] RDX: 0000000000000009 RSI: 00007f6cc7b73000 RDI: 0000000000000001

 6125 21:33:41.914096  # [   42.159633] RBP: 00007f6cc7b73000 R08: 00007f6cc7b72010 R09: 0000000000000000

 6126 21:33:41.923395  # [   42.167894] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6127 21:33:41.934031  # [   42.176152] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6128 21:33:41.986240  # [   42.184414] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 6129 21:33:41.990258  # [   42.243401] CR2: ffffffffa2994730

 6130 21:33:41.996116  # [   42.247380] ---[ end trace c17c1eb82cc650d3 ]---

 6131 21:33:41.999245  # [   42.252825] RIP: 0010:lkdtm_BUG+0x5/0x10

 6132 21:33:42.019364  # [   42.257493] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 6133 21:33:42.026338  # [   42.278764] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 6134 21:33:42.036195  # [   42.284887] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 6135 21:33:42.045591  # [   42.293147] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 6136 21:33:42.052368  # [   42.301407] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 6137 21:33:42.058832  # [   42.309667] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 6138 21:33:42.069110  # [   42.317927] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 6139 21:33:42.078574  # [   42.326187] FS:  00007f6cc7d69580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 6140 21:33:42.085352  # [   42.335515] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6141 21:33:42.092322  # [   42.342221] CR2: ffffffffa2994730 CR3: 00000001044de004 CR4: 00000000003706e0

 6142 21:33:42.095283  # WRITE_RO: saw 'call trace:': ok

 6143 21:33:42.098709  ok 39 selftests: lkdtm: WRITE_RO.sh

 6144 21:33:42.105089  # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 6145 21:33:42.105216  # Killed

 6146 21:33:42.111582  # [   42.531097] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 6147 21:33:42.118103  # [   42.543801] lkdtm: attempting bad ro_after_init write at ffffffffa2ea1350

 6148 21:33:42.128233  # [   42.551733] BUG: unable to handle page fault for address: ffffffffa2ea1350

 6149 21:33:42.135063  # [   42.559712] #PF: supervisor write access in kernel mode

 6150 21:33:42.141210  # [   42.572049] #PF: error_code(0x0003) - permissions violation

 6151 21:33:42.151176  # [   42.578562] PGD 21e29067 P4D<6>[   54.136779] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 6152 21:33:42.158186   21e29067 PUD 21e2a063 PMD 104ec0063 PTE 8000000021ca1061

 6153 21:33:42.165103  # [  <6>[   54.149349] lkdtm: attempting bad refcount_add_not_zero() from saturated

 6154 21:33:42.167725   42.587603] Oops: 0003 [#15] SMP PTI

 6155 21:33:42.178065  # [   42.591873] CPU: 2 PI<4>[   54.163359] ------------[ cut here ]------------

 6156 21:33:42.184526  D: 1939 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6157 21:33:42.187826  <4>[   54.175025] refcount_t: saturated; leaking memory.

 6158 21:33:42.187952  

 6159 21:33:42.204018  # [   42.600813] Hardware name: Google Rammus/Rammus, BIOS  09/<4>[   54.186911] WARNING: CPU: 0 PID: 2491 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6160 21:33:42.204152  04/2020

 6161 21:33:42.263242  # [   42.607912] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x<4>[   54.202840] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 6162 21:33:42.263426  4e/0x5a

 6163 21:33:42.279658  # [   42.614231] Code: b7 e1 a2 e9 36 d9 fb ff 48 c7 c7<4>[   54.261807] CPU: 0 PID: 2491 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6164 21:33:42.292787   88 b7 e1 a2 e8 2a d9 fb ff 48 8b 05 09 ac 25 01 ba 34 12 cd ab <4>[   54.276986] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6165 21:33:42.303567  48 c7 c7 30 b7 e1 a2 48 31 d0 <48> 89 05 f3 ab 25 01 e9 08 d9 fb<4>[   54.290323] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6166 21:33:42.305953   ff 0f 1f 44 00 00 41 54 48 c7 c7

 6167 21:33:42.333065  # [   42.635503] RSP: 0018:ff<4>[   54.302652] Code: 02 01 e8 5e 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 a2 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7

 6168 21:33:42.336332  ffb1e202877e60 EFLAGS: 00010202

 6169 21:33:42.342580  # [   42.641626] RAX: 00000000f<4>[   54.330184] RSP: 0018:ffffb1e203137e38 EFLAGS: 00010282

 6170 21:33:42.349359  e67479e RBX: 0000000000000029 RCX: 0000000000000000

 6171 21:33:42.359736  # [   42.64<4>[   54.342514] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6172 21:33:42.372050  9887] RDX: 00000000abcd1234 RSI: ffff9e25fad1bf50 RDI: ffffffffa<4>[   54.357051] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50

 6173 21:33:42.375811  2e1b730

 6174 21:33:42.388821  # [   42.658146] RBP: ffffffffa2e1a926 R08: 00000000000<4>[   54.371518] RBP: ffffffffa2e1a638 R08: 0000000000000000 R09: 0000000000000000

 6175 21:33:42.391782  00000 R09: 0000000000000000

 6176 21:33:42.402194  # [   42.666406] R10: 00000000ffffe<4>[   54.386040] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6177 21:33:42.408591  000 R11: 3fffffffffffffff R12: 0000000000000014

 6178 21:33:42.415205  # [   42.674667<4>[   54.400508] R13: ffffb1e203137f10 R14: ffffb1e203137f10 R15: ffff9e25868fb000

 6179 21:33:42.431731  ] R13: ffffb1e202877f10 R14: ffffb1e202877f10 R15: ffff9e2584139<4>[   54.415035] FS:  00007f6dafa51580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 6180 21:33:42.431868  000

 6181 21:33:42.444535  # [   42.682927] FS:  00007f314019a580(0000) GS:ffff9e25fad<4>[   54.430547] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6182 21:33:42.447921  00000(0000) knlGS:0000000000000000

 6183 21:33:42.461129  # [   42.692254] CS:  0010 D<4>[   54.443505] CR2: 00007f6daf85b000 CR3: 00000001069a4001 CR4: 00000000003706f0

 6184 21:33:42.464352  S: 0000 ES: 0000 CR0: 0000000080050033

 6185 21:33:42.467905  # [   42.698963] CR2: ff<4>[   54.458012] Call Trace:

 6186 21:33:42.474534  ffffffa2ea1350 CR3: 00000001045f8005 CR4: 00000000003706e0

 6187 21:33:42.477728  # [ <4>[   54.467221]  ? __warn+0x80/0x110

 6188 21:33:42.481040    42.707222] Call Trace:

 6189 21:33:42.490864  # [   42.710242]  ? __die_body.cold+0x<4>[   54.477350]  ? refcount_warn_saturate+0x97/0x110

 6190 21:33:42.490952  1a/0x1f

 6191 21:33:42.494507  # [   42.714911]  ? no_context+0x177/0x380

 6192 21:33:42.501155  # [   42.71<4>[   54.489006]  ? report_bug+0x9e/0xc0

 6193 21:33:42.503981  9290]  ? exc_page_fault+0xd7/0x170

 6194 21:33:42.510676  # [   42.723960]  ? asm_exc_<4>[   54.499439]  ? handle_bug+0x41/0x90

 6195 21:33:42.514277  page_fault+0x1e/0x30

 6196 21:33:42.520598  # [   42.728921]  ? lkdtm_WRITE_RO_AFTER_I<4>[   54.509805]  ? exc_invalid_op+0x14/0x70

 6197 21:33:42.523959  NIT+0x4e/0x5a

 6198 21:33:42.527646  # [   42.734562]  direct_entry.cold+0x2c/0x38

 6199 21:33:42.533904  # <4>[   54.520596]  ? asm_exc_invalid_op+0x12/0x20

 6200 21:33:42.537371  [   42.739230]  full_proxy_write+0x53/0x80

 6201 21:33:42.543479  # [   42.743804]  vf<4>[   54.531767]  ? refcount_warn_saturate+0x97/0x110

 6202 21:33:42.547738  s_write+0xe7/0x3b0

 6203 21:33:42.550081  # [   42.747792]  ksys_write+0x68/0xf0

 6204 21:33:42.556836  # [ <4>[   54.543441]  ? refcount_warn_saturate+0x97/0x110

 6205 21:33:42.560005    42.751780]  do_syscall_64+0x30/0x40

 6206 21:33:42.570101  # [   42.756060]  entry_S<4>[   54.555084]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6207 21:33:42.573354  YSCALL_64_after_hwframe+0x62/0xc7

 6208 21:33:42.583436  # [   42.761982] RIP: 0033:0x<4>[   54.567729]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 6209 21:33:42.583550  7f31400b0473

 6210 21:33:42.593050  # [   42.766260] Code: 8b 15 21 2a 0e 00 f7 d8 64 <4>[   54.580543]  direct_entry.cold+0x2c/0x38

 6211 21:33:42.603215  89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 0<4>[   54.591445]  full_proxy_write+0x53/0x80

 6212 21:33:42.613177  0 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 <4>[   54.602218]  vfs_write+0xe7/0x3b0

 6213 21:33:42.616715  0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6214 21:33:42.623300  # [   42.787533] RSP: 00<4>[   54.612447]  ksys_write+0x68/0xf0

 6215 21:33:42.630271  2b:00007ffe2b4bf8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6216 21:33:42.636265  <4>[   54.622637]  do_syscall_64+0x30/0x40

 6217 21:33:42.636360  

 6218 21:33:42.646737  # [   42.796280] RAX: ffffffffffffffda RBX: 0000000000000014 RC<4>[   54.633145]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6219 21:33:42.649607  X: 00007f31400b0473

 6220 21:33:42.656244  # [   42.804539] RDX: 0000000000000014 RSI:<4>[   54.645282] RIP: 0033:0x7f6daf967473

 6221 21:33:42.662785   00007f313ffa4000 RDI: 0000000000000001

 6222 21:33:42.685783  # [   42.812798] RBP: 0<4>[   54.655793] 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

 6223 21:33:42.693336  0007f313ffa4000 R08: 00007f313ffa3010 R09: 0000000000000000

 6224 21:33:42.699470  # [<4>[   54.683269] RSP: 002b:00007ffdc45a7ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6225 21:33:42.715569     42.821058] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0<4>[   54.698260] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6daf967473

 6226 21:33:42.715721  000000000000001

 6227 21:33:42.728847  # [   42.829320] R13: 0000000000000001 R14: 000<4>[   54.712721] RDX: 0000000000000020 RSI: 00007f6daf85b000 RDI: 0000000000000001

 6228 21:33:42.732320  0000000020000 R15: 0000000000020000

 6229 21:33:42.741878  # [   42.837582] Modules li<4>[   54.727211] RBP: 00007f6daf85b000 R08: 00007f6daf85a010 R09: 0000000000000000

 6230 21:33:42.758213  nked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_e<4>[   54.741682] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6231 21:33:42.771434  c_sensors_core industrialio_triggered_buffer kfifo_buf industria<4>[   54.756177] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6232 21:33:42.782359  lio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar<4>[   54.770651] irq event stamp: 0

 6233 21:33:42.794629   cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 <4>[   54.780579] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6234 21:33:42.811668  cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_e<4>[   54.794069] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6235 21:33:42.828022  c_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_s<4>[   54.809733] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6236 21:33:42.841266  oc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_u<4>[   54.825365] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6237 21:33:42.851185  sbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstor<4>[   54.838849] ---[ end trace c17c1eb82cc650e4 ]---

 6238 21:33:42.851320  e

 6239 21:33:42.857584  # [   42.896571] CR2: ffffffffa2ea1350

 6240 21:33:42.864201  # [   42.900558] ---[<6>[   54.850543] lkdtm: Saturation detected: still saturated

 6241 21:33:42.867329   end trace c17c1eb82cc650d4 ]---

 6242 21:33:42.870773  # [   42.906003] RIP: 0010:lkdtm_BUG+0x5/0x10

 6243 21:33:42.893868  # [   42.910671] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 78 2a 03

 6244 21:33:42.900750  # [   42.931944] RSP: 0018:ffffb1e2013efe60 EFLAGS: 00010286

 6245 21:33:42.906858  # [   42.938067] RAX: ffffffffa157e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 6246 21:33:42.917328  # [   42.946326] RDX: 0000000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 6247 21:33:42.923888  # [   42.954602] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 0000000000000001

 6248 21:33:42.933365  # [   42.962862] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 6249 21:33:42.940256  # [   42.971123] R13: ffffb1e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 6250 21:33:42.950104  # [   42.979385] FS:  00007f314019a580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 6251 21:33:42.956523  # [   42.988714] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6252 21:33:42.963287  # [   42.995418] CR2: ffffffffa2ea1350 CR3: 00000001045f8005 CR4: 00000000003706e0

 6253 21:33:42.973159  # [   43.003678] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 6254 21:33:42.983503  # [   43.013882] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1939, name: cat

 6255 21:33:42.985911  # [   43.022628] INFO: lockdep is turned off.

 6256 21:33:42.992797  # [   43.027295] irq event stamp: 0

 6257 21:33:43.002276  # [   43.031003] hardirqs last  enabled<6>[   54.989662] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 6258 21:33:43.009398  <6>[   55.001366] lkdtm: attempting bad refcount_dec_and_test() from saturated

 6259 21:33:43.015638  <4>[   55.009169] ------------[ cut here ]------------

 6260 21:33:43.022560  <4>[   55.014644] refcount_t: underflow; use-after-free.

 6261 21:33:43.031948  <4>[   55.020316] WARNING: CPU: 2 PID: 2527 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6262 21:33:43.085344  <4>[   55.030047] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 6263 21:33:43.088662   at (0): [<0000000000000000>] 0x0

 6264 21:33:43.098164  # [   43.038294] hardirqs las<4>[   55.082835] CPU: 2 PID: 2527 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6265 21:33:43.108470  <4>[   55.097987] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6266 21:33:43.111386  <4>[   55.105087] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6267 21:33:43.134353  <4>[   55.111217] Code: 02 01 e8 3b 3e c4 00 0f 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 a2 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7

 6268 21:33:43.141304  <4>[   55.132496] RSP: 0018:ffffb1e2031bfe40 EFLAGS: 00010286

 6269 21:33:43.154759  t disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e<4>[   55.138651] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 6270 21:33:43.154902  0

 6271 21:33:43.170768  # [   43.047720] softirqs last  enabled at (0): [<ffffffffa0a<4>[   55.153133] RDX: ffff9e25fad2c620 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50

 6272 21:33:43.174310  fddac>] copy_process+0x65c/0x20e0

 6273 21:33:43.184140  # [   43.057145] softirqs las<4>[   55.167610] RBP: ffffffffa2e1a658 R08: 0000000000000000 R09: 0000000000000000

 6274 21:33:43.190494  <4>[   55.182091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6275 21:33:43.200531  <4>[   55.190352] R13: ffffb1e2031bff10 R14: ffffb1e2031bff10 R15: ffff9e2586395000

 6276 21:33:43.210175  <4>[   55.198606] FS:  00007f3e04926580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 6277 21:33:43.217059  <4>[   55.207936] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6278 21:33:43.223556  <4>[   55.214651] CR2: 00007f3e04730000 CR3: 0000000106314002 CR4: 00000000003706e0

 6279 21:33:43.226555  <4>[   55.222949] Call Trace:

 6280 21:33:43.233631  t disabled at (0): [<0000000000000000>] 0x0

 6281 21:33:43.237154  # [   43.064434] CP<4>[   55.225998]  ? __warn+0x80/0x110

 6282 21:33:43.243125  <4>[   55.236100]  ? refcount_warn_saturate+0xba/0x110

 6283 21:33:43.246484  <4>[   55.241548]  ? report_bug+0x9e/0xc0

 6284 21:33:43.253378  <4>[   55.245736]  ? handle_bug+0x41/0x90

 6285 21:33:43.256263  <4>[   55.249950]  ? exc_invalid_op+0x14/0x70

 6286 21:33:43.260041  <4>[   55.254524]  ? asm_exc_invalid_op+0x12/0x20

 6287 21:33:43.266811  <4>[   55.259490]  ? refcount_warn_saturate+0xba/0x110

 6288 21:33:43.273277  <4>[   55.264970]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6289 21:33:43.279550  <4>[   55.271388]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 6290 21:33:43.282645  <4>[   55.278002]  direct_entry.cold+0x2c/0x38

 6291 21:33:43.289081  <4>[   55.282675]  full_proxy_write+0x53/0x80

 6292 21:33:43.292730  <4>[   55.287249]  vfs_write+0xe7/0x3b0

 6293 21:33:43.295869  <4>[   55.291240]  ksys_write+0x68/0xf0

 6294 21:33:43.302713  <4>[   55.295232]  do_syscall_64+0x30/0x40

 6295 21:33:43.305662  <4>[   55.299515]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6296 21:33:43.312684  <4>[   55.305448] RIP: 0033:0x7f3e0483c473

 6297 21:33:43.332385  <4>[   55.309746] 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

 6298 21:33:43.348713  U: 2 PID: 1939 Comm: cat Tainted: G      D W         5.10.212-ci<4>[   55.331033] RSP: 002b:00007ffd8db6cf78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6299 21:33:43.355191  <4>[   55.345994] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3e0483c473

 6300 21:33:43.365709  <4>[   55.354257] RDX: 0000000000000020 RSI: 00007f3e04730000 RDI: 0000000000000001

 6301 21:33:43.371815  <4>[   55.362511] RBP: 00007f3e04730000 R08: 00007f3e0472f010 R09: 0000000000000000

 6302 21:33:43.381598  <4>[   55.370773] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6303 21:33:43.389640  <4>[   55.379027] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6304 21:33:43.391943  <4>[   55.387293] irq event stamp: 0

 6305 21:33:43.401507  <4>[   55.391018] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6306 21:33:43.408400  <4>[   55.398309] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6307 21:33:43.411364  p44 #1

 6308 21:33:43.425985  # [   43.073374] Hardware name: Google Rammus/Rammus, BI<4>[   55.407739] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6309 21:33:43.431698  <4>[   55.423384] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6310 21:33:43.437960  <4>[   55.430679] ---[ end trace c17c1eb82cc650e5 ]---

 6311 21:33:43.438105  OS  09/04/2020

 6312 21:33:43.440933  # [   43.080470] Call Trace:

 6313 21:33:43.450905  # [   43.083489]  <6>[   55.436126] lkdtm: Saturation detected: still saturated

 6314 21:33:43.451035  dump_stack+0x77/0x9b

 6315 21:33:43.457366  # [   43.087477]  ___might_sleep.cold+0xa6/0xb6

 6316 21:33:43.460941  # [   43.092342]  exit_signals+0x1c/0x300

 6317 21:33:43.464437  # [   43.096621]  do_exit+0xc2/0xab0

 6318 21:33:43.467239  # [   43.100416]  ? ksys_write+0x68/0xf0

 6319 21:33:43.474268  # [   43.104588]  make_task_dead+0x2f/0x30

 6320 21:33:43.477552  # [   43.108984]  rewind_stack_and_make_dead+0x17/0x20

 6321 21:33:43.483861  # [   43.114543] RIP: 0033:0x7f31400b0473

 6322 21:33:43.503612  # [   43.118825] 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

 6323 21:33:43.513978  # [   43.140090] RSP: 002b:00007ffe2b4bf8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6324 21:33:43.520422  # [   43.148838] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f31400b0473

 6325 21:33:43.530189  # [   43.157100] RDX: 0000000000000014 RSI: 00007f313ffa4000 RDI: 0000000000000001

 6326 21:33:43.537177  # [   43.165359] RBP: 00007f313ffa4000 R08: 00007f313ffa3010 R09: 0000000000000000

 6327 21:33:43.547189  # [   43.173620] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6328 21:33:43.557013  # [   43.181882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6329 21:33:43.559971  # WRITE_RO_AFTER_INIT: saw 'call trace:': ok

 6330 21:33:43.563235  ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 6331 21:33:43.569562  # selftests: lkdtm: WRITE_KERN.sh

 6332 21:33:43.569675  # Killed

 6333 21:33:43.576105  # [   43.338283] lkdtm: Performing direct entry WRITE_KERN

 6334 21:33:43.582631  # [   43.345314] lkdtm: attempting bad 7109799 byte write at ffffffffa1c46667

 6335 21:33:43.593188  # [   43.353131] BUG: unable to handle page fault for address: ffffffffa1c46667

 6336 21:33:43.599045  # [   43.361111] #PF: supervisor write access in kernel mode

 6337 21:33:43.606561  # [   43.367238] #PF: error_code(0x0003) - permissions violation

 6338 21:33:43.612430  # [   43.373750] PGD 21e29067 P4D 21e29067 PUD 21e2a063 PMD 20a000e1 

 6339 21:33:43.615727  # [   43.386969] Oops: 0003 [#16] SMP PTI

 6340 21:33:43.625963  # [   43.391252] CPU: 2 PID: 1975 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6341 21:33:43.631913  # [   43.400194] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6342 21:33:43.638808  # [   43.407293] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 6343 21:33:43.658489  # [   43.418955] Code: 53 48 c7 c3 67 66 c4 a1 49 89 dc 48 89 da 49 81 ec c0 e9 57 a1 4c 89 e6 e8 dd d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 c0 e9 57 a1 <f3> a4 48 c7 c7 30 b7 e1 a2 e8 c2 d8 fb ff 5b 41 5c e9 b7 fe ff ff

 6344 21:33:43.665010  # [   43.440228] RSP: 0018:ffffb1e202907e50 EFLAGS: 00010246

 6345 21:33:43.672018  # [   43.446353] RAX: 000000000000003c RBX: ffffffffa1c46667 RCX: 00000000006c7ca7

 6346 21:33:43.681630  # [   43.454613] RDX: 0000000000000000 RSI: ffffffffa157e9c0 RDI: ffffffffa1c46667

 6347 21:33:43.688232  # [   43.462874] RBP: ffffffffa2e1a93a R08: 0000000000000000 R09: 0000000000000000

 6348 21:33:43.698049  # [   43.471135] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c7ca7

 6349 21:33:43.704316  # [   43.479394] R13: ffffb1e202907f10 R14: ffffb1e202907f10 R15: ffff9e2583245000

 6350 21:33:43.714337  # [   43.487653] FS:  00007f5655a68580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 6351 21:33:43.721591  # [   43.496982] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6352 21:33:43.730711  # [   43.503689] CR2: ffffffffa1c46667 CR3: 0000000105b02002 CR4: 00000000003706e0

 6353 21:33:43.730848  # [   43.511948] Call Trace:

 6354 21:33:43.738275  # [   43.514968]  ? __die_body.cold+0x1a/0x1f

 6355 21:33:43.741364  # [   43.519639]  ? no_context+0x177/0x380

 6356 21:33:43.747198  # [   43.524018]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6357 21:33:43.750356  # [   43.529754]  ? exc_page_fault+0xd7/0x170

 6358 21:33:43.760011  # [   43.534425]<6>[   55.748158] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 6359 21:33:43.763457    ? asm_exc_page_fault+0x1e/0x30

 6360 21:33:43.773540  # [   43.539386]  ? lkdtm_SLAB<6>[   55.759135] lkdtm: attempting bad refcount_sub_and_test() from saturated

 6361 21:33:43.776568  _FREE_CROSS.cold+0x32/0x32

 6362 21:33:43.786739  # [   43.545124]  ? lkdtm_SLAB_FREE_<4>[   55.773122] ------------[ cut here ]------------

 6363 21:33:43.786855  PAGE+0x40/0x40

 6364 21:33:43.799727  # [   43.550276]  ? lkdtm_SLAB_FREE_CROSS.cold+0<4>[   55.784777] refcount_t: underflow; use-after-free.

 6365 21:33:43.799904  x32/0x32

 6366 21:33:43.803331  # [   43.556012]  ? lkdtm_WRITE_KERN+0x38/0x4e

 6367 21:33:43.813179  # [   <4>[   55.796702] WARNING: CPU: 0 PID: 2563 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6368 21:33:43.819620  43.560778]  direct_entry.cold+0x2c/0x38

 6369 21:33:43.873022  # [   43.565448]  full_<4>[   55.812635] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 6370 21:33:43.875578  proxy_write+0x53/0x80

 6371 21:33:43.878895  # [   43.570020]  vfs_write+0xe7/0x3b0

 6372 21:33:43.889031  #<4>[   55.871592] CPU: 0 PID: 2563 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6373 21:33:43.892162   [   43.574009]  ksys_write+0x68/0xf0

 6374 21:33:43.902110  # [   43.577987]  do_sysc<4>[   55.886750] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6375 21:33:43.902266  all_64+0x30/0x40

 6376 21:33:43.915015  # [   43.582267]  entry_SYSCALL_64_after_hwfra<4>[   55.900075] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6377 21:33:43.915136  me+0x62/0xc7

 6378 21:33:43.918650  # [   43.588199] RIP: 0033:0x7f565597e473

 6379 21:33:43.942146  # [   4<4>[   55.912435] Code: 02 01 e8 3b 3e c4 00 0f 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 a2 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7

 6380 21:33:43.954806  3.592479] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff <4>[   55.939933] RSP: 0018:ffffb1e20324fe40 EFLAGS: 00010286

 6381 21:33:43.968518  ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 0<4>[   55.952275] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 6382 21:33:43.981784  0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec <4>[   55.966763] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50

 6383 21:33:43.984484  28 48 89 54 24 18

 6384 21:33:43.997755  # [   43.613742] RSP: 002b:00007fff378fe938 E<4>[   55.981240] RBP: ffffffffa2e1a678 R08: 0000000000000000 R09: 0000000000000000

 6385 21:33:44.000941  FLAGS: 00000246 ORIG_RAX: 0000000000000001

 6386 21:33:44.011095  # [   43.622488] RAX<4>[   55.995725] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6387 21:33:44.017708  : ffffffffffffffda RBX: 000000000000000b RCX: 00007f565597e473

 6388 21:33:44.027585  <4>[   56.010228] R13: ffffb1e20324ff10 R14: ffffb1e20324ff10 R15: ffff9e2583edd000

 6389 21:33:44.040908  # [   43.630747] RDX: 000000000000000b RSI: 00007f5655872000 RDI<4>[   56.024674] FS:  00007f211d0c1580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 6390 21:33:44.044360  : 0000000000000001

 6391 21:33:44.054075  # [   43.639008] RBP: 00007f5655872000 R08: <4>[   56.040281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6392 21:33:44.060337  00007f5655871010 R09: 0000000000000000

 6393 21:33:44.070282  # [   43.647267] R10: ff<4>[   56.053277] CR2: 00007f211cecb000 CR3: 00000001043ec003 CR4: 00000000003706f0

 6394 21:33:44.077091  fffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6395 21:33:44.080282  # [ <4>[   56.067713] Call Trace:

 6396 21:33:44.090047    43.655525] R13: 0000000000000001 R14: 0000000000020000 R15: 00<4>[   56.077050]  ? __warn+0x80/0x110

 6397 21:33:44.090177  00000000020000

 6398 21:33:44.099558  # [   43.663788] Modules linked in: fuse ip_tabl<4>[   56.087159]  ? refcount_warn_saturate+0xba/0x110

 6399 21:33:44.109501  es cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indust<4>[   56.098834]  ? report_bug+0x9e/0xc0

 6400 21:33:44.122591  rialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf<4>[   56.109231]  ? handle_bug+0x41/0x90

 6401 21:33:44.133055  2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cr<4>[   56.119655]  ? exc_invalid_op+0x14/0x70

 6402 21:33:44.142774  os_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cro<4>[   56.130469]  ? asm_exc_invalid_op+0x12/0x20

 6403 21:33:44.155889  s_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_th<4>[   56.141678]  ? refcount_warn_saturate+0xba/0x110

 6404 21:33:44.169113  ermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress <4>[   56.153333]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6405 21:33:44.178821  snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_<4>[   56.166006]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 6406 21:33:44.185584  table cros_kbd_led_backlight chromeos_pstore

 6407 21:33:44.192619  # [   43.722775] C<4>[   56.178858]  direct_entry.cold+0x2c/0x38

 6408 21:33:44.192738  R2: ffffffffa1c46667

 6409 21:33:44.201632  # [   43.726762] ---[ end trace c17c1eb82c<4>[   56.189774]  full_proxy_write+0x53/0x80

 6410 21:33:44.205389  c650d5 ]---

 6411 21:33:44.208773  # [   43.732205] RIP: 0010:lkdtm_BUG+0x5/0x10

 6412 21:33:44.211678  # [ <4>[   56.200577]  vfs_write+0xe7/0x3b0

 6413 21:33:44.221768    43.736871] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb <4>[   56.210808]  ksys_write+0x68/0xf0

 6414 21:33:44.234426  de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c<4>[   56.221060]  do_syscall_64+0x30/0x40

 6415 21:33:44.244379  9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 <4>[   56.231549]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6416 21:33:44.247938  00 83 05 00 78 2a 03

 6417 21:33:44.254659  # [   43.758141] RSP: 0018:ffffb1e2013efe6<4>[   56.243778] RIP: 0033:0x7f211cfd7473

 6418 21:33:44.257523  0 EFLAGS: 00010286

 6419 21:33:44.283771  # [   43.764289] RAX: ffffffffa157e5f0 RBX: <4>[   56.254228] 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

 6420 21:33:44.287040  0000000000000001 RCX: 0000000000000000

 6421 21:33:44.297298  # [   43.772548] RDX: 00<4>[   56.281761] RSP: 002b:00007fff31c44848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6422 21:33:44.303400  00000000000000 RSI: ffff9e25fad9bf50 RDI: ffffffffa29942b0

 6423 21:33:44.313733  # [ <4>[   56.296760] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f211cfd7473

 6424 21:33:44.327142    43.780808] RBP: ffffffffa2e7f050 R08: 0000000000000001 R09: 00<4>[   56.311254] RDX: 0000000000000020 RSI: 00007f211cecb000 RDI: 0000000000000001

 6425 21:33:44.330563  00000000000001

 6426 21:33:44.344078  # [   43.789067] R10: 00000000ffffe000 R11: 3fff<4>[   56.325764] RBP: 00007f211cecb000 R08: 00007f211ceca010 R09: 0000000000000000

 6427 21:33:44.346531  ffffffffffff R12: 0000000000000004

 6428 21:33:44.356431  # [   43.797326] R13: ffffb1<4>[   56.340219] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6429 21:33:44.363297  e2013eff10 R14: ffffb1e2013eff10 R15: ffff9e2583921000

 6430 21:33:44.370446  # [   43<4>[   56.354705] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6431 21:33:44.379800  .805586] FS:  00007f5655a68580(0000) GS:ffff9e25fad00000(0000) k<4>[   56.369206] irq event stamp: 0

 6432 21:33:44.384538  nlGS:0000000000000000

 6433 21:33:44.393135  # [   43.814913] CS:  0010 DS: 0000 ES: 0<4>[   56.379140] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6434 21:33:44.395986  000 CR0: 0000000080050033

 6435 21:33:44.409261  # [   43.821619] CR2: ffffffffa1c4666<4>[   56.392613] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6436 21:33:44.415917  7 CR3: 0000000105b02002 CR4: 00000000003706e0

 6437 21:33:44.425897  # WRITE_KERN: saw<4>[   56.408308] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6438 21:33:44.425998   'call trace:': ok

 6439 21:33:44.433018  ok 41 selftests: lkdtm: WRITE_KERN.sh

 6440 21:33:44.439085  # sel<4>[   56.423910] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6441 21:33:44.442568  ftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 6442 21:33:44.452427  # [   43.952737] lkdtm:<4>[   56.437457] ---[ end trace c17c1eb82cc650e6 ]---

 6443 21:33:44.455393   Performing direct entry REFCOUNT_INC_OVERFLOW

 6444 21:33:44.462386  # [   43.961251]<6>[   56.449109] lkdtm: Saturation detected: still saturated

 6445 21:33:44.468578   lkdtm: attempting good refcount_inc() without overflow

 6446 21:33:44.475326  # [   43.974671] lkdtm: attempting bad refcount_inc() overflow

 6447 21:33:44.478481  # [   43.987200] ------------[ cut here ]------------

 6448 21:33:44.485323  # [   43.998862] refcount_t: saturated; leaking memory.

 6449 21:33:44.494918  # [   44.004535] WARNING: CPU: 1 PID: 2011 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6450 21:33:44.548081  # [   44.020433] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 6451 21:33:44.557575  # [   44.079416] CPU: 1 PID: 2011 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6452 21:33:44.564480  # [   44.094574] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6453 21:33:44.571097  # [   44.107920] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6454 21:33:44.590774  # [   44.120259] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 d7 a2 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7

 6455 21:33:44.597960  # [   44.147756] RSP: 0018:ffffb1e20297fe48 EFLAGS: 00010286

 6456 21:33:44.603834  # [   44.160095] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 6457 21:33:44.613792  # [   44.168359] RDX: ffff9e25facac620 RSI: ffff9e25fac9bf50 RDI: ffff9e25fac9bf50

 6458 21:33:44.624048  # [   44.182831] RBP: ffffffffa2e1a945 R08: 0000000000000000 R09: 0000000000000000

 6459 21:33:44.630550  # [   44.191118] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6460 21:33:44.641244  # [   44.205570] R13: ffffb1e20297ff10 R14: ffffb1e20297ff10 R15: ffff9e25869a4000

 6461 21:33:44.650123  # [   44.220048] FS:  00007fe8d2e4d580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000

 6462 21:33:44.657092  # [   44.229379] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6463 21:33:44.663410  # [   44.242300] CR2: 00007fe8d2c57000 CR3: 0000000105a38002 CR4: 00000000003706e0

 6464 21:33:44.666603  # [   44.250562] Call Trace:

 6465 21:33:44.672956  # [   44.259814]  ? __warn+0x80/0x110

 6466 21:33:44.676263  # [   44.269903]  ? refcount_warn_saturate+0x51/0x110

 6467 21:33:44.679559  # [   44.275354]  ? report_bug+0x9e/0xc0

 6468 21:33:44.686354  # [   44.285750]  ? handle_bug+0x41/0x90

 6469 21:33:44.689675  # [   44.296150]  ? exc_invalid_op+0x14/0x70

 6470 21:33:44.696666  # [   44.300727]  ? asm_exc_invalid_op+0x12/0x20

 6471 21:33:44.699625  # [   44.311902]  ? refcount_warn_saturate+0x51/0x110

 6472 21:33:44.706290  # [   44.323561]  ? refcount_warn_saturate+0x51/0x110

 6473 21:33:44.712618  # [   44.329011]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 6474 21:33:44.716250  # [   44.340862]  direct_entry.cold+0x2c/0x38

 6475 21:33:44.722125  # [   44.351767]  full_proxy_write+0x53/0x80

 6476 21:33:44.725804  # [   44.362556]  vfs_write+0xe7/0x3b0

 6477 21:33:44.729029  # [   44.372764]  ksys_write+0x68/0xf0

 6478 21:33:44.732107  # [   44.382970]  do_syscall_64+0x30/0x40

 6479 21:33:44.739201  # [   44.387278]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6480 21:33:44.742701  # [   44.399420] RIP: 0033:0x7fe8d2d63473

 6481 21:33:44.765307  # [   44.403702] 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

 6482 21:33:44.771927  # [   44.431188] RSP: 002b:00007ffc893be998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6483 21:33:44.781725  # [   44.446150] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe8d2d63473

 6484 21:33:44.788447  # [   44.454415] RDX: 0000000000000016 RSI: 00007fe8d2c57000 RDI: 0000000000000001

 6485 21:33:44.798203  # [   44.468889] RBP: 00007fe8d2c57000 R08: 00007fe8d2c56010 R09: 0000000000000000

 6486 21:33:44.804730  # [   44.477152] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6487 21:33:44.815401  # [   44.485416] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6488 21:33:44.818247  # [   44.499894] irq event stamp: 0

 6489 21:33:44.824682  # [   44.509806] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6490 21:33:44.834894  # [   44.517102] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6491 21:33:44.844562  # [   44.532743] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6492 21:33:44.851358  # [   44.548386] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6493 21:33:44.857532  # [   44.555679] ---[ end trace c17c1eb82cc650d6 ]---

 6494 21:33:44.861352  # [   44.567337] lkdtm: Overflow detected: saturated

 6495 21:33:44.867713  # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok

 6496 21:33:44.870680  ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 6497 21:33:44.874166  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6498 21:33:44.884045  # [   44.677898] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 6499 21:33:44.890677  # [   44.685359] lkdtm: attempting good refcount_add() without overflow

 6500 21:33:44.897416  # [   44.698795] lkdtm: attempting bad refcount_add() overflow

 6501 21:33:44.900618  # [   44.711308] ------------[ cut here ]------------

 6502 21:33:44.910796  # [   44.722971] refcoun<6>[   56.896701] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 6503 21:33:44.916869  <6>[   56.908960] lkdtm: attempting good copy_to_user of correct size

 6504 21:33:44.923345  <6>[   56.915893] lkdtm: attempting bad copy_to_user of too large size

 6505 21:33:44.926849  t_t: saturated; leaking memory.

 6506 21:33:44.937038  # [   44.734855] WARNING: CPU: 1 PID: 2044 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6507 21:33:44.989498  # [   44.750760] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 6508 21:33:45.000520  # [   44.809750] CPU: 1 PID: 2044 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6509 21:33:45.005911  # [   44.824878] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6510 21:33:45.012993  # [   44.838191] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6511 21:33:45.032537  # [   44.844344] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 d7 a2 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7

 6512 21:33:45.039393  # [   44.871830] RSP: 0018:ffffb1e2029e7e48 EFLAGS: 00010286

 6513 21:33:45.046614  # [   44.877983] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 6514 21:33:45.062485  # [   44.892456] RDX: ffff9e25facac620 RSI: ffff9e25fac9bf50 RDI: ffff9e25fac9bf5<6>[   57.047428] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 6515 21:33:45.068742  <6>[   57.060673] lkdtm: attempting good copy_from_user of correct size

 6516 21:33:45.075563  <6>[   57.067787] lkdtm: attempting bad copy_from_user of too large size

 6517 21:33:45.075695  0

 6518 21:33:45.085211  # [   44.900720] RBP: ffffffffa2e1a95b R08: 0000000000000000 R09: 0000000000000000

 6519 21:33:45.091938  # [   44.915194] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6520 21:33:45.102132  # [   44.923458] R13: ffffb1e2029e7f10 R14: ffffb1e2029e7f10 R15: ffff9e2583d52000

 6521 21:33:45.111606  # [   44.931722] FS:  00007f6ea870d580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000

 6522 21:33:45.118121  # [   44.947265] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6523 21:33:45.124850  # [   44.960189] CR2: 00007f6ea8517000 CR3: 0000000105952002 CR4: 00000000003706e0

 6524 21:33:45.128361  # [   44.968454] Call Trace:

 6525 21:33:45.131345  # [   44.977690]  ? __warn+0x80/0x110

 6526 21:33:45.138055  # [   44.987796]  ? refcount_warn_saturate+0x51/0x110

 6527 21:33:45.141288  # [   44.999458]  ? report_bug+0x9e/0xc0

 6528 21:33:45.145015  # [   45.009859]  ? handle_bug+0x41/0x90

 6529 21:33:45.151590  # [   45.020257]  ? exc_invalid_op+0x14/0x70

 6530 21:33:45.154376  # [   45.031048]  ? asm_exc_invalid_op+0x12/0x20

 6531 21:33:45.161509  # [   45.042233]  ? refcount_warn_saturate+0x51/0x110

 6532 21:33:45.164566  # [   45.053894]  ? refcount_warn_saturate+0x51/0x110

 6533 21:33:45.171204  # [   45.065556]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 6534 21:33:45.174372  # [   45.077413]  direct_entry.cold+0x2c/0x38

 6535 21:33:45.180774  # [   45.088301]  full_proxy_write+0x53/0x80

 6536 21:33:45.184437  # [   45.099090]  vfs_write+0xe7/0x3b0

 6537 21:33:45.187369  # [   45.109295]  ksys_write+0x68/0xf0

 6538 21:33:45.190739  # [   45.119501]  do_syscall_64+0x30/0x40

 6539 21:33:45.197477  # [   45.129997]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6540 21:33:45.207406  # [   45.135933] RIP: 0033:0x7f<6>[   57.198993] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 6541 21:33:45.210321  6ea8623473

 6542 21:33:45.220500  # [   45.146424] Code: 8b 15 21 2a 0e 00 f7 d8 64 89<6>[   57.206844] lkdtm: attempting good copy_to_user inside whitelist

 6543 21:33:45.233754   02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 <6>[   57.220072] lkdtm: attempting bad copy_to_user outside whitelist

 6544 21:33:45.243334  85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6545 21:33:45.253302  # [   45.167702] RSP: 002b:00007ffd5470ba48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6546 21:33:45.260246  # [   45.182661] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6ea8623473

 6547 21:33:45.269616  # [   45.190925] RDX: 0000000000000016 RSI: 00007f6ea8517000 RDI: 0000000000000001

 6548 21:33:45.276736  # [   45.205400] RBP: 00007f6ea8517000 R08: 00007f6ea8516010 R09: 0000000000000000

 6549 21:33:45.286877  # [   45.219879] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6550 21:33:45.292821  # [   45.228144] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6551 21:33:45.296492  # [   45.242621] irq event stamp: 0

 6552 21:33:45.306288  # [   45.252535] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6553 21:33:45.312942  # [   45.266087] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6554 21:33:45.322392  # [   45.281727] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6555 21:33:45.329307  # [   45.291157] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6556 21:33:45.336978  # [   45.304659] ---[ end trace c17c1eb82cc650d7 ]---

 6557 21:33:45.342628  # [   45.310107] lkdtm: Overflow detected: saturated

 6558 21:33:45.345727  # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok

 6559 21:33:45.352242  ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6560 21:33:45.356105  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6561 21:33:45.365321  # [   45.430836] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 6562 21:33:45.371794  # [   45.441457] lkdtm: attempting bad refcount_inc_not_zero() overflow

 6563 21:33:45.378578  # [  <6>[   57.367655] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 6564 21:33:45.385226   45.448684] ------------[ cut here ]------------

 6565 21:33:45.392279  # [   45.45413<6>[   57.377718] lkdtm: attempting good copy_from_user inside whitelist

 6566 21:33:45.398119  4] refcount_t: saturated; leaking memory.

 6567 21:33:45.404766  # [   45.466019] WARN<6>[   57.391155] lkdtm: attempting bad copy_from_user outside whitelist

 6568 21:33:45.414536  ING: CPU: 3 PID: 2077 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6569 21:33:45.467584  # [   45.475749] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 6570 21:33:45.474237  # [   45.534702] CPU: 3 PID: 2077 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6571 21:33:45.481012  # [   45.543677] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6572 21:33:45.487597  # [   45.550780] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6573 21:33:45.510309  # [   45.563121] Code: 02 01 e8 5e 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 a2 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7

 6574 21:33:45.516969  # [   45.584395] RSP: 0018:ffffb1e202a3fe38 EFLAGS: 00010282

 6575 21:33:45.523451  # [   45.590521] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 6576 21:33:45.536360  # [   45.598802] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9<6>[   57.527651] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 6577 21:33:45.539888  e25fad9bf50

 6578 21:33:45.549930  # [   45.607101] RBP: ffffffffa2e1a598 R08: 0000000<6>[   57.536046] lkdtm: good_stack: ffffb1e2035ffe20-ffffb1e2035ffe40

 6579 21:33:45.553713  000000000 R09: 0000000000000000

 6580 21:33:45.562843  # [   45.615387] R10: 00000000f<6>[   57.549278] lkdtm: bad_stack : ffffb1e2035ffda8-ffffb1e2035ffdc8

 6581 21:33:45.569696  fffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6582 21:33:45.576583  # [   45.62<6>[   57.562525] lkdtm: attempting good copy_to_user of local stack

 6583 21:33:45.589479  3648] R13: ffffb1e202a3ff10 R14: ffffb1e202a3ff10 R15: ffff9e258<6>[   57.575504] lkdtm: attempting bad copy_to_user of distant stack

 6584 21:33:45.592977  3270000

 6585 21:33:45.599236  # [   45.631913] FS:  00007f104d531580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 6586 21:33:45.605583  # [   45.641243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6587 21:33:45.615831  # [   45.647952] CR2: 00007f104d33b000 CR3: 0000000105952001 CR4: 00000000003706e0

 6588 21:33:45.619322  # [   45.656213] Call Trace:

 6589 21:33:45.622140  # [   45.659236]  ? __warn+0x80/0x110

 6590 21:33:45.626265  # [   45.663134]  ? refcount_warn_saturate+0x97/0x110

 6591 21:33:45.632121  # [   45.668581]  ? report_bug+0x9e/0xc0

 6592 21:33:45.635353  # [   45.672768]  ? handle_bug+0x41/0x90

 6593 21:33:45.638874  # [   45.676954]  ? exc_invalid_op+0x14/0x70

 6594 21:33:45.645467  # [   45.681527]  ? asm_exc_invalid_op+0x12/0x20

 6595 21:33:45.648550  # [   45.686493]  ? refcount_warn_saturate+0x97/0x110

 6596 21:33:45.655544  # [   45.691971]  ? refcount_warn_saturate+0x97/0x110

 6597 21:33:45.662032  # [   45.697418]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6598 21:33:45.668364  # [   45.703835]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 6599 21:33:45.671841  # [   45.710349]  direct_entry.cold+0x2c/0x38

 6600 21:33:45.678672  # [   45.715022]  full_proxy_write+0x53/0x80

 6601 21:33:45.681593  # [   45.719620]  vfs_write+0xe7/0x3b0

 6602 21:33:45.685473  # [   45.723611]  ksys_write+0x68/0xf0

 6603 21:33:45.688518  # [   45.727602]  do_syscall_64+0x30/0x40

 6604 21:33:45.695272  # [   45.731885]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6605 21:33:45.698144  # [   45.737819] RIP: 0033:0x7f104d447473

 6606 21:33:45.721088  # [   45.742101] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6607 21:33:45.728294  # [   45.763374] RSP: 002b:00007ffd91cdf218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6608 21:33:45.741106  # [   45.772123] RAX: ffffffffffffffda RBX: 0<6>[   57.726313] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 6609 21:33:45.747365  <6>[   57.738981] lkdtm: good_stack: ffffb1e2036afe20-ffffb1e2036afe40

 6610 21:33:45.753890  <6>[   57.746015] lkdtm: bad_stack : ffffb1e2036afda8-ffffb1e2036afdc8

 6611 21:33:45.760411  <6>[   57.753040] lkdtm: attempting good copy_from_user of local stack

 6612 21:33:45.763953  00000000000001f RCX: 00007f104d447473

 6613 21:33:45.774093  # [   45.780384] RDX: 000<6>[   57.760054] lkdtm: attempting bad copy_from_user of distant stack

 6614 21:33:45.780596  000000000001f RSI: 00007f104d33b000 RDI: 0000000000000001

 6615 21:33:45.790632  # [   45.788647] RBP: 00007f104d33b000 R08: 00007f104d33a010 R09: 0000000000000000

 6616 21:33:45.796884  # [   45.796929] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6617 21:33:45.806784  # [   45.805183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6618 21:33:45.810410  # [   45.813450] irq event stamp: 0

 6619 21:33:45.816469  # [   45.817172] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6620 21:33:45.826892  # [   45.830682] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6621 21:33:45.833203  # [   45.846325] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6622 21:33:45.843306  # [   45.855753] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6623 21:33:45.846124  # [   45.863044] ---[ end trace c17c1eb82cc650d8 ]---

 6624 21:33:45.853622  # [   45.868492] lkdtm: Overflow detected: saturated

 6625 21:33:45.859833  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6626 21:33:45.862636  ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6627 21:33:45.869248  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6628 21:33:45.876056  # [   45.983467] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 6629 21:33:45.883034  # [   45.993634] lkdtm: attempting bad refcount_add_not_zero() overflow

 6630 21:33:45.889204  # [   46.000831] ------------[ cut here ]------------

 6631 21:33:45.896417  # [   46.006279] refcount_t: saturated; leaking memory.

 6632 21:33:45.905806  # [   46.011950] WARNING: CPU: 3 PID: 2110 at l<6>[   57.897398] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 6633 21:33:45.912070  ib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6634 21:33:45.918654  # [   46.021<6>[   57.904741] lkdtm: good_stack: ffffb1e20371fe20-ffffb1e20371fe40

 6635 21:33:45.931635  674] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec<6>[   57.917955] lkdtm: bad_stack : ffffb1e20371fff8-ffffb1e203720018

 6636 21:33:45.944918  _sensors cros_ec_sensors_core industrialio_triggered_buffer kfif<6>[   57.931215] lkdtm: attempting good copy_to_user of local stack

 6637 21:33:45.958151  o_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops c<6>[   57.944239] lkdtm: attempting bad copy_to_user of distant stack

 6638 21:33:45.971624  ros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs <4>[   57.957334] lkdtm: copy_to_user failed, but lacked Oops

 6639 21:33:45.997505  videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 6640 21:33:46.007495  # [   46.080626] CPU: 3 PID: 2110 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6641 21:33:46.013948  # [   46.089568] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6642 21:33:46.020885  # [   46.096666] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6643 21:33:46.040486  # [   46.102796] Code: 02 01 e8 5e 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 a2 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7

 6644 21:33:46.047447  # [   46.130284] RSP: 0018:ffffb1e202ad7e38 EFLAGS: 00010282

 6645 21:33:46.053753  # [   46.136442] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 6646 21:33:46.063431  # [   46.144704] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 6647 21:33:46.070630  # [   46.152965] RBP: ffffffffa2e1a5b8 R08: 0000000000000000 R09: 0000000000000000

 6648 21:33:46.080121  # [   46.161224] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6649 21:33:46.087440  # [   46.169517] R13: ffffb1e202ad7f10 R14: ffffb1e202ad7f10 R15: ffff9e2583b8a000

 6650 21:33:46.103229  # [   46.183989] FS:  00007fc3d310b580(0000) GS:ffff9e25fad80000(0000) knlGS:0000<6>[   58.092868] lkdtm: Performing direct entry USERCOPY_KERNEL

 6651 21:33:46.109976  <6>[   58.100426] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa2994750

 6652 21:33:46.113958  000000000000

 6653 21:33:46.126149  # [   46.193340] CS:  0010 DS: 0000 ES: 0000 CR0: <6>[   58.109389] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa0ce3ce0

 6654 21:33:46.126297  0000000080050033

 6655 21:33:46.136565  # [   46.206263] CR2: 00007fc3d2f15000 CR3: 00<3>[   58.124243] lkdtm: FAIL: survived bad copy_to_user()

 6656 21:33:46.142983  000001058cc001 CR4: 00000000003706e0

 6657 21:33:46.143088  # [   46.214527] Call Trace:

 6658 21:33:46.149569  # [   46.217550]  ? __warn+0x80/0x110

 6659 21:33:46.153230  # [   46.221474]  ? refcount_warn_saturate+0x97/0x110

 6660 21:33:46.156051  # [   46.226923]  ? report_bug+0x9e/0xc0

 6661 21:33:46.163249  # [   46.231110]  ? handle_bug+0x41/0x90

 6662 21:33:46.166254  # [   46.235316]  ? exc_invalid_op+0x14/0x70

 6663 21:33:46.172974  # [   46.239892]  ? asm_exc_invalid_op+0x12/0x20

 6664 21:33:46.175648  # [   46.251067]  ? refcount_warn_saturate+0x97/0x110

 6665 21:33:46.182440  # [   46.256545]  ? refcount_warn_saturate+0x97/0x110

 6666 21:33:46.189172  # [   46.261993]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6667 21:33:46.196211  # [   46.268410]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 6668 21:33:46.199437  # [   46.274925]  direct_entry.cold+0x2c/0x38

 6669 21:33:46.202444  # [   46.279598]  full_proxy_write+0x53/0x80

 6670 21:33:46.208927  # [   46.284197]  vfs_write+0xe7/0x3b0

 6671 21:33:46.212282  # [   46.288212]  ksys_write+0x68/0xf0

 6672 21:33:46.215818  # [   46.292204]  do_syscall_64+0x30/0x40

 6673 21:33:46.222042  # [   46.296487]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6674 21:33:46.225492  # [   46.302421] RIP: 0033:0x7fc3d3021473

 6675 21:33:46.245665  # [   46.306704] 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

 6676 21:33:46.255263  # [   46.327978] RSP: 002b:00007fffdd30c3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6677 21:33:46.264904  # [   46.336727] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc3d3021473

 6678 21:33:46.271461  # [   46.344989] RDX: 000000000000001f RSI: 00007fc3d2f15000 RDI: 0000000000000001

 6679 21:33:46.281620  # [   46.353252] RBP: 00007fc3d<6>[   58.267156] lkdtm: Performing direct entry STACKLEAK_ERASING

 6680 21:33:46.288029  <6>[   58.279925] lkdtm: checking unused part of the thread stack (15928 bytes)...

 6681 21:33:46.295482  2f15000 R08: 00007fc3d2f14010 R09: 0000000000000000

 6682 21:33:46.304652  # [   46.36<3>[   58.288115] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 6683 21:33:46.311393  <3>[   58.302404] lkdtm: FAIL: the thread stack is NOT properly erased

 6684 21:33:46.327589  1514] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000<4>[   58.309416] CPU: 2 PID: 2939 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6685 21:33:46.334110  <4>[   58.324566] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6686 21:33:46.338284  <4>[   58.331661] Call Trace:

 6687 21:33:46.341093  <4>[   58.334683]  dump_stack+0x77/0x9b

 6688 21:33:46.344432  <4>[   58.338672]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 6689 21:33:46.350990  <4>[   58.344118]  direct_entry.cold+0x2c/0x38

 6690 21:33:46.354339  <4>[   58.348787]  full_proxy_write+0x53/0x80

 6691 21:33:46.357604  <4>[   58.353359]  vfs_write+0xe7/0x3b0

 6692 21:33:46.363849  <4>[   58.357348]  ksys_write+0x68/0xf0

 6693 21:33:46.367292  <4>[   58.361338]  do_syscall_64+0x30/0x40

 6694 21:33:46.374032  <4>[   58.365619]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6695 21:33:46.377837  <4>[   58.371550] RIP: 0033:0x7f45ffcb2473

 6696 21:33:46.396879  <4>[   58.375821] 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

 6697 21:33:46.407320  <4>[   58.397096] RSP: 002b:00007ffcf7c1bdf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6698 21:33:46.416980  <4>[   58.405835] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f45ffcb2473

 6699 21:33:46.423583  <4>[   58.414096] RDX: 0000000000000012 RSI: 00007f45ffba6000 RDI: 0000000000000001

 6700 21:33:46.433415  <4>[   58.422356] RBP: 00007f45ffba6000 R08: 00007f45ffba5010 R09: 0000000000000000

 6701 21:33:46.440489  <4>[   58.430616] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6702 21:33:46.450717  <4>[   58.438878] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6703 21:33:46.450854  0000001

 6704 21:33:46.456539  # [   46.369777] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6705 21:33:46.460038  # [   46.378044] irq event stamp: 0

 6706 21:33:46.469723  # [   46.387954] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6707 21:33:46.476149  # [   46.395248] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6708 21:33:46.486312  # [   46.410886] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6709 21:33:46.492815  # [   46.420314] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6710 21:33:46.499254  # [   46.427606] ---[ end trace c17c1eb82cc650d9 ]---

 6711 21:33:46.506115  # [   46.433051] lkdtm: Overflow detected: saturated

 6712 21:33:46.509299  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6713 21:33:46.515966  ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6714 21:33:46.519277  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6715 21:33:46.526666  # [   46.551053] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 6716 21:33:46.532866  # [   46.563180] lkdtm: attempting good refcount_dec()

 6717 21:33:46.539077  # [   46.568740] lkdtm: attempting bad refcount_dec() to zero

 6718 21:33:46.541991  # [   46.581169] ------------[ cut here ]------------

 6719 21:33:46.549157  # [   46.586640] refcount_t: decrement hit 0; leaking memory.

 6720 21:33:46.558505  # [   46.592892] WARNING: CPU: 2 PID: 2143 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6721 21:33:46.611363  # [   46.602618] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c<6>[   58.597970] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 6722 21:33:46.614564  <6>[   58.609288] lkdtm: Calling matched prototype ...

 6723 21:33:46.621486  <6>[   58.614769] lkdtm: Calling mismatched prototype ...

 6724 21:33:46.631096  <6>[   58.620542] lkdtm: Fail: survived mismatched prototype function call!

 6725 21:33:46.638226   i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 6726 21:33:46.648075  # [   46.661587] CPU: 2 PID: 2143 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6727 21:33:46.654597  # [   46.670542] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6728 21:33:46.660784  # [   46.683852] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6729 21:33:46.681029  # [   46.696193] Code: 50 54 d7 a2 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 54 d7 a2 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6730 21:33:46.687222  # [   46.717491] RSP: 0018:ffffb1e202b5fe48 EFLAGS: 00010286

 6731 21:33:46.693625  # [   46.723620] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 6732 21:33:46.703633  # [   46.731907] RDX: ffff9e25fad2c620 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50

 6733 21:33:46.713387  # [   46.740185] RBP: ffffffffa2e1a971 R08: 0000000000000000 R09: 0000000000000000

 6734 21:33:46.720291  # [   46.754651] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6735 21:33:46.730087  # [   46.762915] R13: ffffb1e202b5ff10 R14: ffffb1e202b5ff10 R15: ffff9e2583f7c000

 6736 21:33:46.740240  # [   46.771178] FS:  00007f783edc3580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 6737 21:33:46.746850  # [   46.780511] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6738 21:33:46.753105  # [   46.787221] CR2: 00007f783ebcd000 CR3: 0000000104798001 CR4: 00000000003706e0

 6739 21:33:46.756576  # [   46.795484] Call Trace:

 6740 21:33:46.759711  # [   46.798523]  ? __warn+0x80/0x110

 6741 21:33:46.766443  # [   46.802427]  ? refcount_warn_saturate+0xfb/0x110

 6742 21:33:46.769573  # [   46.814084]  ? report_bug+0x9e/0xc0

 6743 21:33:46.776089  # [   46.818271]  ? handle_bug+0x41/0x90

 6744 21:33:46.779123  # [   46.822477]  ? exc_invalid_op+0x14/0x70

 6745 21:33:46.785983  # [   46.827053]  ? asm_exc_invalid_op+0x12/0x20

 6746 21:33:46.789526  # [   46.832044]  ? refcount_warn_saturate+0xfb/0x110

 6747 21:33:46.795476  # [   46.837519]  ? refcount_warn_saturate+0xfb/0x110

 6748 21:33:46.802104  # [   46.849176]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 6749 21:33:46.805738  # [   46.854429]  direct_entry.cold+0x2c/0x38

 6750 21:33:46.809135  # [   46.859127]  full_proxy_write+0x53/0x80

 6751 21:33:46.815185  # [   46.863734]  vfs_write+0xe7/0x3b0

 6752 21:33:46.818707  # [   46.867756]  ksys_write+0x68/0xf0

 6753 21:33:46.822108  # [   46.871771]  do_syscall_64+0x30/0x40

 6754 21:33:46.828864  # [   46.876078]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6755 21:33:46.831609  # [   46.882036] RIP: 0033:0x7f783ecd9473

 6756 21:33:46.854983  # [   46.886320] 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

 6757 21:33:46.864848  # [   46.907597] RSP: 002b:00007ffd82138238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6758 21:33:46.871355  # [   46.916348] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f783ecd9473

 6759 21:33:46.881343  # [   46.924612] RDX: 0000000000000012 RSI: 00007f783ebcd000 RDI: 0000000000000001

 6760 21:33:46.891388  # [   46.932876] RBP: 00007f783ebcd000 R08: 00007f783ebcc010 R09: 0000000000000000

 6761 21:33:46.897954  # [   46.941161] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6762 21:33:46.907443  # [   46.949427] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6763 21:33:46.910640  # [   46.963912] irq event stamp: 0

 6764 21:33:46.917493  # [   46.973837] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6765 21:33:46.927532  # [   46.981139] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6766 21:33:46.937779  # [   46.996775] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6767 21:33:46.943716  # [   47.006204] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6768 21:33:46.950581  # [   47.013498] ---[ end trace c17c1eb82cc650da ]---

 6769 21:33:46.953621  # [   47.018946] lkdtm: Zero detected: saturated

 6770 21:33:46.960187  # REFCOUNT_DEC_ZERO: saw 'call trace:': ok

 6771 21:33:46.963407  ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6772 21:33:46.966579  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6773 21:33:46.977432  # [   47.139823] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6774 21:33:46.983905  # [   47.149075] lkdtm: attempting bad refcount_dec() below zero

 6775 21:33:46.986984  # [   47.161828] ------------[ cut here ]------------

 6776 21:33:46.993852  # [   47.173481] refcount_t: decrement hit 0; leaking memory.

 6777 21:33:47.003629  # [   47.185970] WARNING: CPU: 0 PID: 2179 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6778 21:33:47.059491  # [   47.201897] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 6779 21:33:47.066264  # [   47.260855] CPU: 0 PID: 2179 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6780 21:33:47.075816  # [   47.276033] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6781 21:33:47.082181  # [   47.289345] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6782 21:33:47.102157  # [   47.301728] Code: 50 54 d7 a2 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 54 d7 a2 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6783 21:33:47.108703  # [   47.329183] RSP: 0018:ffffb1e202be7e48 EFLAGS: 00010286

 6784 21:33:47.118941  # [   47.341546] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6785 21:33:47.125179  # [   47.356003] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50

 6786 21:33:47.135305  # [   47.370533] RBP: ffffffffa2e1a983 R08: 0000000000000000 R09: 0000000000000000

 6787 21:33:47.141894  # [   47.384973] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6788 21:33:47.152072  # [   47.399458] R13: ffffb1e202be7f10 R14: ffffb1e202be7f10 R15: ffff9e2584108000

 6789 21:33:47.161942  # [   47.413946] FS:  00007f104826f580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 6790 21:33:47.167965  # [   47.429498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6791 21:33:47.174474  # [   47.442429] CR2: 00007f1048079000 CR3: 0000000104494003 CR4: 00000000003706f0

 6792 21:33:47.177700  # [   47.456948] Call Trace:

 6793 21:33:47.181350  # [   47.466163]  ? __warn+0x80/0x110

 6794 21:33:47.187928  # [   47.476270]  ? refcount_warn_saturate+0xfb/0x110

 6795 21:33:47.191361  # [   47.487933]  ? report_bug+0x9e/0xc0

 6796 21:33:47.197670  # [   47.498356]  ? handle_bug+0x41/0x90

 6797 21:33:47.201181  # [   47.508754]  ? exc_invalid_op+0x14/0x70

 6798 21:33:47.207257  # [   47.519595]  ? asm_exc_invalid_op+0x12/0x20

 6799 21:33:47.211052  # [   47.530756]  ? refcount_warn_saturate+0xfb/0x110

 6800 21:33:47.217453  # [   47.542415]  ? refcount_warn_saturate+0xfb/0x110

 6801 21:33:47.223829  # [   47.554082]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6802 21:33:47.227115  # [   47.565903]  direct_entry.cold+0x2c/0x38

 6803 21:33:47.233393  # [   47.576789]  full_proxy_write+0x53/0x80

 6804 21:33:47.237022  # [   47.587595]  vfs_write+0xe7/0x3b0

 6805 21:33:47.240258  # [   47.597792]  ksys_write+0x68/0xf0

 6806 21:33:47.243146  # [   47.608000]  do_syscall_64+0x30/0x40

 6807 21:33:47.249578  # [   47.618503]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6808 21:33:47.256235  # [   47.630650] RIP: 0033:0x7f1048185473

 6809 21:33:47.276453  # [   47.641150] 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

 6810 21:33:47.286788  # [   47.668656] RSP: 002b:00007fff60b666a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6811 21:33:47.296205  # [   47.683636] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1048185473

 6812 21:33:47.302849  # [   47.698121] RDX: 0000000000000016 RSI: 00007f1048079000 RDI: 0000000000000001

 6813 21:33:47.312595  # [   47.712587] RBP: 00007f1048079000 R08: 00007f1048078010 R09: 0000000000000000

 6814 21:33:47.318988  # [   47.727108] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6815 21:33:47.329067  # [   47.741574] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6816 21:33:47.332436  # [   47.756098] irq event stamp: 0

 6817 21:33:47.339163  # [   47.765996] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6818 21:33:47.348291  # [   47.779507] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6819 21:33:47.358299  # [   47.795195] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6820 21:33:47.368663  # [   47.810828] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6821 21:33:47.371298  # [   47.824361] ---[ end trace c17c1eb82cc650db ]---

 6822 21:33:47.378330  # [   47.836007] lkdtm: Negative detected: saturated

 6823 21:33:47.384661  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 6824 21:33:47.388089  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6825 21:33:47.395301  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6826 21:33:47.401677  # [   47.963927] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6827 21:33:47.411220  # [   47.973567] lkdtm: attempting bad refcount_dec_and_test() below zero

 6828 21:33:47.414523  # [   47.987171] ------------[ cut here ]------------

 6829 21:33:47.420668  # [   47.998832] refcount_t: underflow; use-after-free.

 6830 21:33:47.431196  # [   48.004487] WARNING: CPU: 3 PID: 2215 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6831 21:33:47.487236  # [   48.020409] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 6832 21:33:47.497205  # [   48.079433] CPU: 3 PID: 2215 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6833 21:33:47.504195  # [   48.088392] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6834 21:33:47.510125  # [   48.101695] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6835 21:33:47.530115  # [   48.107824] Code: 02 01 e8 3b 3e c4 00 0f 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 a2 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7

 6836 21:33:47.536532  # [   48.129100] RSP: 0018:ffffb1e202c6fe40 EFLAGS: 00010286

 6837 21:33:47.546409  # [   48.135233] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6838 21:33:47.553034  # [   48.143497] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 6839 21:33:47.563032  # [   48.151761] RBP: ffffffffa2e1a5d8 R08: 0000000000000000 R09: 0000000000000000

 6840 21:33:47.572478  # [   48.160025] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6841 21:33:47.578991  # [   48.168290] R13: ffffb1e202c6ff10 R14: ffffb1e202c6ff10 R15: ffff9e258592a000

 6842 21:33:47.589174  # [   48.176555] FS:  00007fcbce795580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 6843 21:33:47.595480  # [   48.185889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6844 21:33:47.602418  # [   48.192600] CR2: 00007fcbce59f000 CR3: 0000000104108004 CR4: 00000000003706e0

 6845 21:33:47.605762  # [   48.200866] Call Trace:

 6846 21:33:47.612043  # [   48.203891]  ? __warn+0x80/0x110

 6847 21:33:47.615433  # [   48.207818]  ? refcount_warn_saturate+0xba/0x110

 6848 21:33:47.622471  # [   48.213290]  ? report_bug+0x9e/0xc0

 6849 21:33:47.625550  # [   48.217479]  ? handle_bug+0x41/0x90

 6850 21:33:47.628651  # [   48.221696]  ? exc_invalid_op+0x14/0x70

 6851 21:33:47.635524  # [   48.226273]  ? asm_exc_invalid_op+0x12/0x20

 6852 21:33:47.638347  # [   48.231270]  ? refcount_warn_saturate+0xba/0x110

 6853 21:33:47.645581  # [   48.236749]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6854 21:33:47.651863  # [   48.249373]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6855 21:33:47.658032  # [   48.255892]  direct_entry.cold+0x2c/0x38

 6856 21:33:47.661772  # [   48.260596]  full_proxy_write+0x53/0x80

 6857 21:33:47.668223  # [   48.265181]  vfs_write+0xe7/0x3b0

 6858 21:33:47.671557  # [   48.275385]  ksys_write+0x68/0xf0

 6859 21:33:47.674990  # [   48.285590]  do_syscall_64+0x30/0x40

 6860 21:33:47.681472  # [   48.296100]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6861 21:33:47.684644  # [   48.308249] RIP: 0033:0x7fcbce6ab473

 6862 21:33:47.707417  # [   48.312533] 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

 6863 21:33:47.717001  # [   48.333811] RSP: 002b:00007ffdb5192238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6864 21:33:47.724376  # [   48.342563] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcbce6ab473

 6865 21:33:47.734054  # [   48.350827] RDX: 000000000000001f RSI: 00007fcbce59f000 RDI: 0000000000000001

 6866 21:33:47.740905  # [   48.359109] RBP: 00007fcbce59f000 R08: 00007fcbce59e010 R09: 0000000000000000

 6867 21:33:47.750574  # [   48.367371] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6868 21:33:47.760237  # [   48.375636] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6869 21:33:47.763386  # [   48.383906] irq event stamp: 0

 6870 21:33:47.769828  # [   48.387636] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6871 21:33:47.780145  # [   48.401138] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6872 21:33:47.789902  # [   48.410569] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6873 21:33:47.796112  # [   48.420001] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6874 21:33:47.802882  # [   48.427319] ---[ end trace c17c1eb82cc650dc ]---

 6875 21:33:47.805948  # [   48.432767] lkdtm: Negative detected: saturated

 6876 21:33:47.816021  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6877 21:33:47.822589  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6878 21:33:47.826447  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6879 21:33:47.836196  # [   48.556888] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6880 21:33:47.842547  # [   48.570367] lkdtm: attempting bad refcount_sub_and_test() below zero

 6881 21:33:47.848812  # [   48.583971] ------------[ cut here ]------------

 6882 21:33:47.852029  # [   48.595625] refcount_t: underflow; use-after-free.

 6883 21:33:47.862366  # [   48.607518] WARNING: CPU: 1 PID: 2251 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6884 21:33:47.918072  # [   48.623416] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 6885 21:33:47.924735  # [   48.682401] CPU: 1 PID: 2251 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6886 21:33:47.931526  # [   48.697531] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6887 21:33:47.938385  # [   48.710845] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6888 21:33:47.961258  # [   48.723190] Code: 02 01 e8 3b 3e c4 00 0f 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 a2 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7

 6889 21:33:47.967892  # [   48.744468] RSP: 0018:ffffb1e202d17e40 EFLAGS: 00010286

 6890 21:33:47.974675  # [   48.756806] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6891 21:33:47.984426  # [   48.765072] RDX: ffff9e25facac620 RSI: ffff9e25fac9bf50 RDI: ffff9e25fac9bf50

 6892 21:33:47.991179  # [   48.779546] RBP: ffffffffa2e1a5f8 R08: 0000000000000000 R09: 0000000000000000

 6893 21:33:48.000947  # [   48.787811] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6894 21:33:48.011262  # [   48.802284] R13: ffffb1e202d17f10 R14: ffffb1e202d17f10 R15: ffff9e2585a4a000

 6895 21:33:48.017062  # [   48.810548] FS:  00007f4d053ef580(0000) GS:ffff9e25fac80000(0000) knlGS:0000000000000000

 6896 21:33:48.027112  # [   48.819883] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6897 21:33:48.033753  # [   48.832822] CR2: 00007f4d051f9000 CR3: 0000000104996004 CR4: 00000000003706e0

 6898 21:33:48.036781  # [   48.841084] Call Trace:

 6899 21:33:48.040143  # [   48.844111]  ? __warn+0x80/0x110

 6900 21:33:48.046547  # [   48.854210]  ? refcount_warn_saturate+0xba/0x110

 6901 21:33:48.050219  # [   48.859661]  ? report_bug+0x9e/0xc0

 6902 21:33:48.057249  # [   48.870058]  ? handle_bug+0x41/0x90

 6903 21:33:48.060043  # [   48.880457]  ? exc_invalid_op+0x14/0x70

 6904 21:33:48.066601  # [   48.891249]  ? asm_exc_invalid_op+0x12/0x20

 6905 21:33:48.070136  # [   48.902426]  ? refcount_warn_saturate+0xba/0x110

 6906 21:33:48.076630  # [   48.914091]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6907 21:33:48.082968  # [   48.926725]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6908 21:33:48.089951  # [   48.939458]  direct_entry.cold+0x2c/0x38

 6909 21:33:48.093097  # [   48.950348]  full_proxy_write+0x53/0x80

 6910 21:33:48.096077  # [   48.961139]  vfs_write+0xe7/0x3b0

 6911 21:33:48.102631  # [   48.971345]  ksys_write+0x68/0xf0

 6912 21:33:48.106103  # [   48.981552]  do_syscall_64+0x30/0x40

 6913 21:33:48.113011  # [   48.985835]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6914 21:33:48.116032  # [   48.997978] RIP: 0033:0x7f4d05305473

 6915 21:33:48.138825  # [   49.002261] 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

 6916 21:33:48.145636  # [   49.029749] RSP: 002b:00007ffd387acb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6917 21:33:48.155548  # [   49.044726] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4d05305473

 6918 21:33:48.164871  # [   49.052990] RDX: 000000000000001f RSI: 00007f4d051f9000 RDI: 0000000000000001

 6919 21:33:48.171589  # [   49.067465] RBP: 00007f4d051f9000 R08: 00007f4d051f8010 R09: 0000000000000000

 6920 21:33:48.181630  # [   49.075730] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6921 21:33:48.188124  # [   49.083995] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6922 21:33:48.194594  # [   49.098474] irq event stamp: 0

 6923 21:33:48.201121  # [   49.108387] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6924 21:33:48.210915  # [   49.115697] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6925 21:33:48.221270  # [   49.131333] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6926 21:33:48.227950  # [   49.140763] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6927 21:33:48.234296  # [   49.154266] ---[ end trace c17c1eb82cc650dd ]---

 6928 21:33:48.237413  # [   49.165931] lkdtm: Negative detected: saturated

 6929 21:33:48.244894  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6930 21:33:48.250964  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6931 21:33:48.254154  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6932 21:33:48.263817  # [   49.445443] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6933 21:33:48.270405  # [   49.455513] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6934 21:33:48.273873  # [   49.462934] lkdtm: Good: zero detected

 6935 21:33:48.280527  # [   49.467412] lkdtm: Correctly stayed at zero

 6936 21:33:48.286936  # [   49.478592] lkdtm: attempting bad refcount_inc() from zero

 6937 21:33:48.290189  # [   49.485041] ------------[ cut here ]------------

 6938 21:33:48.296556  # [   49.490490] refcount_t: addition on 0; use-after-free.

 6939 21:33:48.306752  # [   49.496595] WARNING: CPU: 3 PID: 2284 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6940 21:33:48.362493  # [   49.506324] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 6941 21:33:48.368766  # [   49.565307] CPU: 3 PID: 2284 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6942 21:33:48.379057  # [   49.574267] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6943 21:33:48.385713  # [   49.587572] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6944 21:33:48.405337  # [   49.593731] Code: 02 01 e8 81 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7 a2 c6 05 17 cd 36 02 01 e8 5e 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7

 6945 21:33:48.411839  # [   49.615009] RSP: 0018:ffffb1e202dafe48 EFLAGS: 00010286

 6946 21:33:48.421945  # [   49.621137] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6947 21:33:48.428056  # [   49.629401] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 6948 21:33:48.438076  # [   49.637665] RBP: ffffffffa2e1a999 R08: 0000000000000000 R09: 0000000000000000

 6949 21:33:48.444681  # [   49.645931] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6950 21:33:48.454484  # [   49.654195] R13: ffffb1e202daff10 R14: ffffb1e202daff10 R15: ffff9e25845f9000

 6951 21:33:48.464622  # [   49.662463] FS:  00007f43b11f0580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 6952 21:33:48.471036  # [   49.671800] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6953 21:33:48.477578  # [   49.678512] CR2: 00007f43b0ffa000 CR3: 0000000104996003 CR4: 00000000003706e0

 6954 21:33:48.480793  # [   49.686777] Call Trace:

 6955 21:33:48.484304  # [   49.689802]  ? __warn+0x80/0x110

 6956 21:33:48.490798  # [   49.693726]  ? refcount_warn_saturate+0x74/0x110

 6957 21:33:48.494401  # [   49.699178]  ? report_bug+0x9e/0xc0

 6958 21:33:48.500595  # [   49.703396]  ? handle_bug+0x41/0x90

 6959 21:33:48.503788  # [   49.707582]  ? exc_invalid_op+0x14/0x70

 6960 21:33:48.510500  # [   49.712159]  ? asm_exc_invalid_op+0x12/0x20

 6961 21:33:48.514039  # [   49.717128]  ? refcount_warn_saturate+0x74/0x110

 6962 21:33:48.520576  # [   49.722604]  ? refcount_warn_saturate+0x74/0x110

 6963 21:33:48.523904  # [   49.734261]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6964 21:33:48.530546  # [   49.739516]  direct_entry.cold+0x2c/0x38

 6965 21:33:48.533582  # [   49.744192]  full_proxy_write+0x53/0x80

 6966 21:33:48.540527  # [   49.754981]  vfs_write+0xe7/0x3b0

 6967 21:33:48.543564  # [   49.765186]  ksys_write+0x68/0xf0

 6968 21:33:48.547349  # [   49.775410]  do_syscall_64+0x30/0x40

 6969 21:33:48.553940  # [   49.779701]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6970 21:33:48.557018  # [   49.791845] RIP: 0033:0x7f43b1106473

 6971 21:33:48.579930  # [   49.796127] 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

 6972 21:33:48.586438  # [   49.817408] RSP: 002b:00007ffc746771e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6973 21:33:48.601838  # [   49.826195] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f43b1106473

 6974 21:33:48.606413  # [   49.834461] RDX: 0000000000000012 RSI: 00007f43b0ffa000 RDI: 0000000000000001

 6975 21:33:48.612921  # [   49.842726] RBP: 00007f43b0ffa000 R08: 00007f43b0ff9010 R09: 0000000000000000

 6976 21:33:48.622723  # [   49.850990] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6977 21:33:48.629879  # [   49.859255] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6978 21:33:48.632801  # [   49.867524] irq event stamp: 0

 6979 21:33:48.642629  # [   49.871249] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6980 21:33:48.652158  # [   49.884755] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6981 21:33:48.658621  # [   49.894184] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 6982 21:33:48.669339  # [   49.903615] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6983 21:33:48.672296  # [   49.910908] ---[ end trace c17c1eb82cc650de ]---

 6984 21:33:48.678626  # [   49.916358] lkdtm: Zero detected: saturated

 6985 21:33:48.682323  # REFCOUNT_INC_ZERO: saw 'call trace:': ok

 6986 21:33:48.688509  ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6987 21:33:48.691534  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6988 21:33:48.698515  # [   50.033605] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6989 21:33:48.704965  # [   50.046073] lkdtm: attempting safe refcount_add_not_zero() from zero

 6990 21:33:48.711636  # [   50.059731] lkdtm: Good: zero detected

 6991 21:33:48.714744  # [   50.070428] lkdtm: Correctly stayed at zero

 6992 21:33:48.721289  # [   50.081595] lkdtm: attempting bad refcount_add() from zero

 6993 21:33:48.728143  # [   50.094282] ------------[ cut here ]------------

 6994 21:33:48.734358  # [   50.105915] refcount_t: addition on 0; use-after-free.

 6995 21:33:48.744530  # [   50.118290] WARNING: CPU: 0 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6996 21:33:48.797272  # [   50.134106] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 6997 21:33:48.806508  # [   50.193100] CPU: 0 PID: 2317 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6998 21:33:48.813696  # [   50.208231] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6999 21:33:48.819942  # [   50.221565] RIP: 0010:refcount_warn_saturate+0x74/0x110

 7000 21:33:48.843700  # [   50.233889] Code: 02 01 e8 81 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7 a2 c6 05 17 cd 36 02 01 e8 5e 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7

 7001 21:33:48.849809  # [   50.261409] RSP: 0018:ffffb1e202e1fe48 EFLAGS: 00010286

 7002 21:33:48.856573  # [   50.273740] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 7003 21:33:48.866085  # [   50.288257] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50

 7004 21:33:48.872705  # [   50.302703] RBP: ffffffffa2e1a9ab R08: 0000000000000000 R09: 0000000000000000

 7005 21:33:48.882465  # [   50.317240] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 7006 21:33:48.892280  # [   50.331685] R13: ffffb1e202e1ff10 R14: ffffb1e202e1ff10 R15: ffff9e25859de000

 7007 21:33:48.899045  # [   50.346231] FS:  00007f006488e580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 7008 21:33:48.905756  # [   50.361742] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7009 21:33:48.915796  # [   50.374691] CR2: 00007f0064698000 CR3: 0000000103f60005 CR4: 00000000003706f0

 7010 21:33:48.919174  # [   50.389179] Call Trace:

 7011 21:33:48.922330  # [   50.398446]  ? __warn+0x80/0x110

 7012 21:33:48.928923  # [   50.408535]  ? refcount_warn_saturate+0x74/0x110

 7013 21:33:48.931892  # [   50.420237]  ? report_bug+0x9e/0xc0

 7014 21:33:48.935472  # [   50.430624]  ? handle_bug+0x41/0x90

 7015 21:33:48.942086  # [   50.441049]  ? exc_invalid_op+0x14/0x70

 7016 21:33:48.945164  # [   50.451823]  ? asm_exc_invalid_op+0x12/0x20

 7017 21:33:48.951898  # [   50.463032]  ? refcount_warn_saturate+0x74/0x110

 7018 21:33:48.958148  # [   50.474669]  ? refcount_warn_saturate+0x74/0x110

 7019 21:33:48.961478  # [   50.486346]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 7020 21:33:48.968345  # [   50.497804]  direct_entry.cold+0x2c/0x38

 7021 21:33:48.971275  # [   50.508700]  full_proxy_write+0x53/0x80

 7022 21:33:48.974590  # [   50.519505]  vfs_write+0xe7/0x3b0

 7023 21:33:48.981616  # [   50.529710]  ksys_write+0x68/0xf0

 7024 21:33:48.984641  # [   50.539922]  do_syscall_64+0x30/0x40

 7025 21:33:48.990973  # [   50.550439]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7026 21:33:48.994570  # [   50.562554] RIP: 0033:0x7f00647a4473

 7027 21:33:49.017667  # [   50.573110] 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

 7028 21:33:49.027360  # [   50.600622] RSP: 002b:00007ffe6dbfa9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7029 21:33:49.034064  # [   50.615596] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f00647a4473

 7030 21:33:49.044483  # [   50.630077] RDX: 0000000000000012 RSI: 00007f0064698000 RDI: 0000000000000001

 7031 21:33:49.050720  # [   50.644586] RBP: 00007f0064698000 R08: 00007f0064697010 R09: 0000000000000000

 7032 21:33:49.060145  # [   50.659047] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7033 21:33:49.066926  # [   50.673573] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7034 21:33:49.070234  # [   50.688061] irq event stamp: 0

 7035 21:33:49.079881  # [   50.697960] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7036 21:33:49.090073  # [   50.711509] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 7037 21:33:49.100320  # [   50.727143] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 7038 21:33:49.106226  # [   50.742824] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7039 21:33:49.113153  # [   50.756300] ---[ end trace c17c1eb82cc650df ]---

 7040 21:33:49.116077  # [   50.768005] lkdtm: Zero detected: saturated

 7041 21:33:49.119494  # REFCOUNT_ADD_ZERO: saw 'call trace:': ok

 7042 21:33:49.125968  ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 7043 21:33:49.129346  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 7044 21:33:49.136072  # [   51.020834] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 7045 21:33:49.145565  # [   51.030172] lkdtm: attempting bad refcount_inc() from saturated

 7046 21:33:49.148764  # [   51.037108] ------------[ cut here ]------------

 7047 21:33:49.155586  # [   51.042555] refcount_t: saturated; leaking memory.

 7048 21:33:49.165320  # [   51.048207] WARNING: CPU: 3 PID: 2353 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 7049 21:33:49.221613  # [   51.057946] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 7050 21:33:49.228013  # [   51.116937] CPU: 3 PID: 2353 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 7051 21:33:49.238242  # [   51.125883] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7052 21:33:49.241223  # [   51.132985] RIP: 0010:refcount_warn_saturate+0x51/0x110

 7053 21:33:49.264480  # [   51.145323] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 d7 a2 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7

 7054 21:33:49.270596  # [   51.166600] RSP: 0018:ffffb1e202edfe48 EFLAGS: 00010286

 7055 21:33:49.281095  # [   51.172727] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 7056 21:33:49.286969  # [   51.180990] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 7057 21:33:49.297610  # [   51.189252] RBP: ffffffffa2e1a9bd R08: 0000000000000000 R09: 0000000000000000

 7058 21:33:49.304096  # [   51.197506] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7059 21:33:49.313619  # [   51.205770] R13: ffffb1e202edff10 R14: ffffb1e202edff10 R15: ffff9e2584108000

 7060 21:33:49.323561  # [   51.214033] FS:  00007f4b663db580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 7061 21:33:49.330403  # [   51.223365] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7062 21:33:49.336735  # [   51.230074] CR2: 00007f4b661e5000 CR3: 0000000105a04001 CR4: 00000000003706e0

 7063 21:33:49.340127  # [   51.238338] Call Trace:

 7064 21:33:49.343812  # [   51.241360]  ? __warn+0x80/0x110

 7065 21:33:49.350097  # [   51.245279]  ? refcount_warn_saturate+0x51/0x110

 7066 21:33:49.353455  # [   51.250726]  ? report_bug+0x9e/0xc0

 7067 21:33:49.359934  # [   51.254913]  ? handle_bug+0x41/0x90

 7068 21:33:49.363033  # [   51.259096]  ? exc_invalid_op+0x14/0x70

 7069 21:33:49.369705  # [   51.263669]  ? asm_exc_invalid_op+0x12/0x20

 7070 21:33:49.373185  # [   51.268633]  ? refcount_warn_saturate+0x51/0x110

 7071 21:33:49.379717  # [   51.274105]  ? refcount_warn_saturate+0x51/0x110

 7072 21:33:49.386267  # [   51.279553]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 7073 21:33:49.389126  # [   51.285293]  direct_entry.cold+0x2c/0x38

 7074 21:33:49.395985  # [   51.289965]  full_proxy_write+0x53/0x80

 7075 21:33:49.399189  # [   51.294567]  vfs_write+0xe7/0x3b0

 7076 21:33:49.402277  # [   51.304773]  ksys_write+0x68/0xf0

 7077 21:33:49.405427  # [   51.314980]  do_syscall_64+0x30/0x40

 7078 21:33:49.412573  # [   51.325477]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7079 21:33:49.418795  # [   51.331435] RIP: 0033:0x7f4b662f1473

 7080 21:33:49.438731  # [   51.335716] 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

 7081 21:33:49.448233  # [   51.356992] RSP: 002b:00007fffa2d81598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7082 21:33:49.458143  # [   51.365762] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f4b662f1473

 7083 21:33:49.464632  # [   51.374038] RDX: 0000000000000017 RSI: 00007f4b661e5000 RDI: 0000000000000001

 7084 21:33:49.474457  # [   51.388506] RBP: 00007f4b661e5000 R08: 00007f4b661e4010 R09: 0000000000000000

 7085 21:33:49.480818  # [   51.396791] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7086 21:33:49.490929  # [   51.405054] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7087 21:33:49.493865  # [   51.419531] irq event stamp: 0

 7088 21:33:49.500714  # [   51.423252] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7089 21:33:49.510801  # [   51.430543] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 7090 21:33:49.520350  # [   51.439970] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 7091 21:33:49.527056  # [   51.449398] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7092 21:33:49.533273  # [   51.456690] ---[ end trace c17c1eb82cc650e0 ]---

 7093 21:33:49.539677  # [   51.462135] lkdtm: Saturation detected: still saturated

 7094 21:33:49.546528  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 7095 21:33:49.553021  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 7096 21:33:49.556645  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 7097 21:33:49.563209  # [   51.590848] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 7098 21:33:49.573162  # [   51.599726] lkdtm: attempting bad refcount_dec() from saturated

 7099 21:33:49.576086  # [   51.606660] ------------[ cut here ]------------

 7100 21:33:49.583240  # [   51.612138] refcount_t: decrement hit 0; leaking memory.

 7101 21:33:49.592495  # [   51.624589] WARNING: CPU: 2 PID: 2389 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 7102 21:33:49.648755  # [   51.640507] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 7103 21:33:49.655270  # [   51.693295] CPU: 2 PID: 2389 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 7104 21:33:49.665039  # [   51.708443] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7105 21:33:49.671994  # [   51.715546] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 7106 21:33:49.691822  # [   51.721707] Code: 50 54 d7 a2 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 54 d7 a2 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 7107 21:33:49.698296  # [   51.743029] RSP: 0018:ffffb1e202f7fe48 EFLAGS: 00010286

 7108 21:33:49.707541  # [   51.749160] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 7109 21:33:49.714638  # [   51.757429] RDX: ffff9e25fad2c620 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50

 7110 21:33:49.724297  # [   51.765707] RBP: ffffffffa2e1a9d4 R08: 0000000000000000 R09: 0000000000000000

 7111 21:33:49.731356  # [   51.774006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7112 21:33:49.741003  # [   51.782269] R13: ffffb1e202f7ff10 R14: ffffb1e202f7ff10 R15: ffff9e25846e1000

 7113 21:33:49.750727  # [   51.790536] FS:  00007f8cd8f89580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 7114 21:33:49.757732  # [   51.799868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7115 21:33:49.767332  # [   51.806580] CR2: 00007f8cd8d93000 CR3: 00000001044a4005 CR4: 00000000003706e0

 7116 21:33:49.767443  # [   51.814845] Call Trace:

 7117 21:33:49.773807  # [   51.817871]  ? __warn+0x80/0x110

 7118 21:33:49.776820  # [   51.821798]  ? refcount_warn_saturate+0xfb/0x110

 7119 21:33:49.783740  # [   51.827280]  ? report_bug+0x9e/0xc0

 7120 21:33:49.786653  # [   51.831498]  ? handle_bug+0x41/0x90

 7121 21:33:49.790217  # [   51.835717]  ? exc_invalid_op+0x14/0x70

 7122 21:33:49.796457  # [   51.840323]  ? asm_exc_invalid_op+0x12/0x20

 7123 21:33:49.803102  # [   51.845307]  ? refcount_warn_saturate+0xfb/0x110

 7124 21:33:49.806811  # [   51.850767]  ? refcount_warn_saturate+0xfb/0x110

 7125 21:33:49.813342  # [   51.862425]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 7126 21:33:49.816615  # [   51.868165]  direct_entry.cold+0x2c/0x38

 7127 21:33:49.823008  # [   51.872840]  full_proxy_write+0x53/0x80

 7128 21:33:49.826451  # [   51.877445]  vfs_write+0xe7/0x3b0

 7129 21:33:49.829339  # [   51.881463]  ksys_write+0x68/0xf0

 7130 21:33:49.835877  # [   51.885487]  do_syscall_64+0x30/0x40

 7131 21:33:49.839883  # [   51.889803]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7132 21:33:49.845669  # [   51.901950] RIP: 0033:0x7f8cd8e9f473

 7133 21:33:49.869292  # [   51.912446] 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

 7134 21:33:49.875661  # [   51.933732] RSP: 002b:00007ffc4e911e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7135 21:33:49.885055  # [   51.948683] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8cd8e9f473

 7136 21:33:49.891885  # [   51.956948] RDX: 0000000000000017 RSI: 00007f8cd8d93000 RDI: 0000000000000001

 7137 21:33:49.901707  # [   51.965214] RBP: 00007f8cd8d93000 R08: 00007f8cd8d92010 R09: 0000000000000000

 7138 21:33:49.908217  # [   51.973478] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7139 21:33:49.918042  # [   51.981741] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7140 21:33:49.921638  # [   51.990008] irq event stamp: 0

 7141 21:33:49.928170  # [   51.993712] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7142 21:33:49.937961  # [   52.001005] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 7143 21:33:49.947619  # [   52.010434] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 7144 21:33:49.954713  # [   52.019863] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7145 21:33:49.961156  # [   52.027155] ---[ end trace c17c1eb82cc650e1 ]---

 7146 21:33:49.967624  # [   52.032601] lkdtm: Saturation detected: still saturated

 7147 21:33:49.974364  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok

 7148 21:33:49.980847  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 7149 21:33:49.984307  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7150 21:33:49.990862  # [   52.565828] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 7151 21:33:50.000429  # [   52.573753] lkdtm: attempting bad refcount_dec() from saturated

 7152 21:33:50.003837  # [   52.580665] ------------[ cut here ]------------

 7153 21:33:50.010191  # [   52.586113] refcount_t: saturated; leaking memory.

 7154 21:33:50.020034  # [   52.591767] WARNING: CPU: 3 PID: 2425 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 7155 21:33:50.072843  # [   52.601495] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 7156 21:33:50.082817  # [   52.660490] CPU: 3 PID: 2425 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 7157 21:33:50.088787  # [   52.669447] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7158 21:33:50.095387  # [   52.676546] RIP: 0010:refcount_warn_saturate+0x51/0x110

 7159 21:33:50.118455  # [   52.682672] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 d7 a2 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 d7

 7160 21:33:50.125135  # [   52.703947] RSP: 0018:ffffb1e20301fe48 EFLAGS: 00010286

 7161 21:33:50.131873  # [   52.710073] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 7162 21:33:50.141685  # [   52.718336] RDX: ffff9e25fadac620 RSI: ffff9e25fad9bf50 RDI: ffff9e25fad9bf50

 7163 21:33:50.151131  # [   52.726599] RBP: ffffffffa2e1a9eb R08: 0000000000000000 R09: 0000000000000000

 7164 21:33:50.158306  # [   52.734860] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7165 21:33:50.167584  # [   52.743114] R13: ffffb1e20301ff10 R14: ffffb1e20301ff10 R15: ffff9e25844c1000

 7166 21:33:50.177606  # [   52.751378] FS:  00007fd7d74d7580(0000) GS:ffff9e25fad80000(0000) knlGS:0000000000000000

 7167 21:33:50.183892  # [   52.760707] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7168 21:33:50.190852  # [   52.767417] CR2: 00007fd7d72e1000 CR3: 0000000106340003 CR4: 00000000003706e0

 7169 21:33:50.193740  # [   52.775677] Call Trace:

 7170 21:33:50.197016  # [   52.778699]  ? __warn+0x80/0x110

 7171 21:33:50.203842  # [   52.782617]  ? refcount_warn_saturate+0x51/0x110

 7172 21:33:50.207110  # [   52.788066]  ? report_bug+0x9e/0xc0

 7173 21:33:50.213491  # [   52.792253]  ? handle_bug+0x41/0x90

 7174 21:33:50.217098  # [   52.796461]  ? exc_invalid_op+0x14/0x70

 7175 21:33:50.223412  # [   52.801035]  ? asm_exc_invalid_op+0x12/0x20

 7176 21:33:50.226705  # [   52.806000]  ? refcount_warn_saturate+0x51/0x110

 7177 21:33:50.233429  # [   52.811469]  ? refcount_warn_saturate+0x51/0x110

 7178 21:33:50.239967  # [   52.816916]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 7179 21:33:50.243215  # [   52.822654]  direct_entry.cold+0x2c/0x38

 7180 21:33:50.249629  # [   52.827345]  full_proxy_write+0x53/0x80

 7181 21:33:50.253063  # [   52.831922]  vfs_write+0xe7/0x3b0

 7182 21:33:50.256454  # [   52.835940]  ksys_write+0x68/0xf0

 7183 21:33:50.259376  # [   52.846145]  do_syscall_64+0x30/0x40

 7184 21:33:50.266297  # [   52.856643]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7185 21:33:50.269534  # [   52.868790] RIP: 0033:0x7fd7d73ed473

 7186 21:33:50.293097  # [   52.873071] 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

 7187 21:33:50.302397  # [   52.894346] RSP: 002b:00007ffe64732348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7188 21:33:50.308935  # [   52.903096] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd7d73ed473

 7189 21:33:50.319072  # [   52.911378] RDX: 0000000000000017 RSI: 00007fd7d72e1000 RDI: 0000000000000001

 7190 21:33:50.329345  # [   52.919671] RBP: 00007fd7d72e1000 R08: 00007fd7d72e0010 R09: 0000000000000000

 7191 21:33:50.335801  # [   52.934140] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7192 21:33:50.345399  # [   52.942403] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7193 21:33:50.349174  # [   52.950671] irq event stamp: 0

 7194 21:33:50.355688  # [   52.954393] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7195 21:33:50.365068  # [   52.961686] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 7196 21:33:50.374839  # [   52.971116] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 7197 21:33:50.381608  # [   52.980546] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7198 21:33:50.387843  # [   52.987837] ---[ end trace c17c1eb82cc650e2 ]---

 7199 21:33:50.394895  # [   52.993299] lkdtm: Saturation detected: still saturated

 7200 21:33:50.401282  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok

 7201 21:33:50.408199  ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7202 21:33:50.410795  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7203 21:33:50.421812  # [   53.117547] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 7204 21:33:50.427295  # [   53.131740] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 7205 21:33:50.434337  # [   53.145736] ------------[ cut here ]------------

 7206 21:33:50.441565  # [   53.157419] refcount_t: saturated; leaking memory.

 7207 21:33:50.451107  # [   53.169396] WARNING: CPU: 0 PID: 2458 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7208 21:33:50.504265  # [   53.185249] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 7209 21:33:50.513513  # [   53.244308] CPU: 0 PID: 2458 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 7210 21:33:50.520304  # [   53.259430] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7211 21:33:50.526664  # [   53.272773] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7212 21:33:50.549871  # [   53.285138] Code: 02 01 e8 5e 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 a2 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7

 7213 21:33:50.556078  # [   53.312604] RSP: 0018:ffffb1e2030afe38 EFLAGS: 00010282

 7214 21:33:50.562840  # [   53.324997] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7215 21:33:50.572982  # [   53.339455] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50

 7216 21:33:50.579547  # [   53.353984] RBP: ffffffffa2e1a618 R08: 0000000000000000 R09: 0000000000000000

 7217 21:33:50.589521  # [   53.368447] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7218 21:33:50.599195  # [   53.382978] R13: ffffb1e2030aff10 R14: ffffb1e2030aff10 R15: ffff9e258477e000

 7219 21:33:50.605645  # [   53.397439] FS:  00007f1babb81580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 7220 21:33:50.615134  # [   53.413038] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7221 21:33:50.621701  # [   53.425943] CR2: 00007f1bab98b000 CR3: 00000001031f6005 CR4: 00000000003706f0

 7222 21:33:50.625561  # [   53.440482] Call Trace:

 7223 21:33:50.628441  # [   53.449692]  ? __warn+0x80/0x110

 7224 21:33:50.635297  # [   53.459851]  ? refcount_warn_saturate+0x97/0x110

 7225 21:33:50.638379  # [   53.471476]  ? report_bug+0x9e/0xc0

 7226 21:33:50.645235  # [   53.481926]  ? handle_bug+0x41/0x90

 7227 21:33:50.648729  # [   53.492308]  ? exc_invalid_op+0x14/0x70

 7228 21:33:50.651492  # [   53.503143]  ? asm_exc_invalid_op+0x12/0x20

 7229 21:33:50.657873  # [   53.514307]  ? refcount_warn_saturate+0x97/0x110

 7230 21:33:50.664617  # [   53.526007]  ? refcount_warn_saturate+0x97/0x110

 7231 21:33:50.671272  # [   53.537658]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7232 21:33:50.677796  # [   53.550325]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 7233 21:33:50.681269  # [   53.563151]  direct_entry.cold+0x2c/0x38

 7234 21:33:50.687560  # [   53.574072]  full_proxy_write+0x53/0x80

 7235 21:33:50.691157  # [   53.584852]  vfs_write+0xe7/0x3b0

 7236 21:33:50.694571  # [   53.595085]  ksys_write+0x68/0xf0

 7237 21:33:50.700882  # [   53.605286]  do_syscall_64+0x30/0x40

 7238 21:33:50.704305  # [   53.615771]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7239 21:33:50.710609  # [   53.627972] RIP: 0033:0x7f1baba97473

 7240 21:33:50.730715  # [   53.638458] 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

 7241 21:33:50.740331  # [   53.665985] RSP: 002b:00007ffc00240fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7242 21:33:50.746686  # [   53.680904] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1baba97473

 7243 21:33:50.757614  # [   53.695424] RDX: 0000000000000020 RSI: 00007f1bab98b000 RDI: 0000000000000001

 7244 21:33:50.766866  # [   53.709891] RBP: 00007f1bab98b000 R08: 00007f1bab98a010 R09: 0000000000000000

 7245 21:33:50.773281  # [   53.718199] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7246 21:33:50.783226  # [   53.732688] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7247 21:33:50.786588  # [   53.747163] irq event stamp: 0

 7248 21:33:50.793403  # [   53.757090] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7249 21:33:50.802945  # [   53.770581] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 7250 21:33:50.813011  # [   53.786227] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 7251 21:33:50.819469  # [   53.801912] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7252 21:33:50.826235  # [   53.815383] ---[ end trace c17c1eb82cc650e3 ]---

 7253 21:33:50.832655  # [   53.820860] lkdtm: Saturation detected: still saturated

 7254 21:33:50.835830  # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7255 21:33:50.842867  ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7256 21:33:50.849693  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7257 21:33:50.856290  # [   54.136779] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 7258 21:33:50.866227  # [   54.149349] lkdtm: attempting bad refcount_add_not_zero() from saturated

 7259 21:33:50.869409  # [   54.163359] ------------[ cut here ]------------

 7260 21:33:50.875354  # [   54.175025] refcount_t: saturated; leaking memory.

 7261 21:33:50.885340  # [   54.186911] WARNING: CPU: 0 PID: 2491 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7262 21:33:50.941075  # [   54.202840] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 7263 21:33:50.947799  # [   54.261807] CPU: 0 PID: 2491 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 7264 21:33:50.954687  # [   54.276986] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7265 21:33:50.961458  # [   54.290323] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7266 21:33:50.984253  # [   54.302652] Code: 02 01 e8 5e 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 d7 a2 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7

 7267 21:33:50.990755  # [   54.330184] RSP: 0018:ffffb1e203137e38 EFLAGS: 00010282

 7268 21:33:51.000292  # [   54.342514] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7269 21:33:51.006874  # [   54.357051] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50

 7270 21:33:51.016859  # [   54.371518] RBP: ffffffffa2e1a638 R08: 0000000000000000 R09: 0000000000000000

 7271 21:33:51.023415  # [   54.386040] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7272 21:33:51.033578  # [   54.400508] R13: ffffb1e203137f10 R14: ffffb1e203137f10 R15: ffff9e25868fb000

 7273 21:33:51.043027  # [   54.415035] FS:  00007f6dafa51580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 7274 21:33:51.050021  # [   54.430547] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7275 21:33:51.056327  # [   54.443505] CR2: 00007f6daf85b000 CR3: 00000001069a4001 CR4: 00000000003706f0

 7276 21:33:51.059883  # [   54.458012] Call Trace:

 7277 21:33:51.063156  # [   54.467221]  ? __warn+0x80/0x110

 7278 21:33:51.069483  # [   54.477350]  ? refcount_warn_saturate+0x97/0x110

 7279 21:33:51.073175  # [   54.489006]  ? report_bug+0x9e/0xc0

 7280 21:33:51.079524  # [   54.499439]  ? handle_bug+0x41/0x90

 7281 21:33:51.083080  # [   54.509805]  ? exc_invalid_op+0x14/0x70

 7282 21:33:51.089371  # [   54.520596]  ? asm_exc_invalid_op+0x12/0x20

 7283 21:33:51.093228  # [   54.531767]  ? refcount_warn_saturate+0x97/0x110

 7284 21:33:51.099387  # [   54.543441]  ? refcount_warn_saturate+0x97/0x110

 7285 21:33:51.105754  # [   54.555084]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7286 21:33:51.112314  # [   54.567729]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 7287 21:33:51.116156  # [   54.580543]  direct_entry.cold+0x2c/0x38

 7288 21:33:51.122682  # [   54.591445]  full_proxy_write+0x53/0x80

 7289 21:33:51.125965  # [   54.602218]  vfs_write+0xe7/0x3b0

 7290 21:33:51.129110  # [   54.612447]  ksys_write+0x68/0xf0

 7291 21:33:51.135572  # [   54.622637]  do_syscall_64+0x30/0x40

 7292 21:33:51.138864  # [   54.633145]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7293 21:33:51.145512  # [   54.645282] RIP: 0033:0x7f6daf967473

 7294 21:33:51.165340  # [   54.655793] 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

 7295 21:33:51.175055  # [   54.683269] RSP: 002b:00007ffdc45a7ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7296 21:33:51.184747  # [   54.698260] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6daf967473

 7297 21:33:51.191144  # [   54.712721] RDX: 0000000000000020 RSI: 00007f6daf85b000 RDI: 0000000000000001

 7298 21:33:51.201145  # [   54.727211] RBP: 00007f6daf85b000 R08: 00007f6daf85a010 R09: 0000000000000000

 7299 21:33:51.207603  # [   54.741682] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7300 21:33:51.217814  # [   54.756177] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7301 21:33:51.220873  # [   54.770651] irq event stamp: 0

 7302 21:33:51.227354  # [   54.780579] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7303 21:33:51.237287  # [   54.794069] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 7304 21:33:51.247202  # [   54.809733] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 7305 21:33:51.256862  # [   54.825365] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7306 21:33:51.260097  # [   54.838849] ---[ end trace c17c1eb82cc650e4 ]---

 7307 21:33:51.266890  # [   54.850543] lkdtm: Saturation detected: still saturated

 7308 21:33:51.273279  # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7309 21:33:51.280179  ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7310 21:33:51.286388  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7311 21:33:51.293605  # [   54.989662] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7312 21:33:51.303258  # [   55.001366] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7313 21:33:51.306213  # [   55.009169] ------------[ cut here ]------------

 7314 21:33:51.313320  # [   55.014644] refcount_t: underflow; use-after-free.

 7315 21:33:51.323182  # [   55.020316] WARNING: CPU: 2 PID: 2527 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7316 21:33:51.375508  # [   55.030047] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 7317 21:33:51.385256  # [   55.082835] CPU: 2 PID: 2527 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 7318 21:33:51.391552  # [   55.097987] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7319 21:33:51.398231  # [   55.105087] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7320 21:33:51.421198  # [   55.111217] Code: 02 01 e8 3b 3e c4 00 0f 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 a2 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7

 7321 21:33:51.427893  # [   55.132496] RSP: 0018:ffffb1e2031bfe40 EFLAGS: 00010286

 7322 21:33:51.434968  # [   55.138651] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7323 21:33:51.444561  # [   55.153133] RDX: ffff9e25fad2c620 RSI: ffff9e25fad1bf50 RDI: ffff9e25fad1bf50

 7324 21:33:51.450905  # [   55.167610] RBP: ffffffffa2e1a658 R08: 0000000000000000 R09: 0000000000000000

 7325 21:33:51.460658  # [   55.182091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7326 21:33:51.467198  # [   55.190352] R13: ffffb1e2031bff10 R14: ffffb1e2031bff10 R15: ffff9e2586395000

 7327 21:33:51.477338  # [   55.198606] FS:  00007f3e04926580(0000) GS:ffff9e25fad00000(0000) knlGS:0000000000000000

 7328 21:33:51.483638  # [   55.207936] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7329 21:33:51.493672  # [   55.214651] CR2: 00007f3e04730000 CR3: 0000000106314002 CR4: 00000000003706e0

 7330 21:33:51.497586  # [   55.222949] Call Trace:

 7331 21:33:51.500310  # [   55.225998]  ? __warn+0x80/0x110

 7332 21:33:51.506669  # [   55.236100]  ? refcount_warn_saturate+0xba/0x110

 7333 21:33:51.510065  # [   55.241548]  ? report_bug+0x9e/0xc0

 7334 21:33:51.513785  # [   55.245736]  ? handle_bug+0x41/0x90

 7335 21:33:51.520015  # [   55.249950]  ? exc_invalid_op+0x14/0x70

 7336 21:33:51.523324  # [   55.254524]  ? asm_exc_invalid_op+0x12/0x20

 7337 21:33:51.529930  # [   55.259490]  ? refcount_warn_saturate+0xba/0x110

 7338 21:33:51.537161  # [   55.264970]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7339 21:33:51.543555  # [   55.271388]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7340 21:33:51.546773  # [   55.278002]  direct_entry.cold+0x2c/0x38

 7341 21:33:51.553026  # [   55.282675]  full_proxy_write+0x53/0x80

 7342 21:33:51.556564  # [   55.287249]  vfs_write+0xe7/0x3b0

 7343 21:33:51.560044  # [   55.291240]  ksys_write+0x68/0xf0

 7344 21:33:51.562941  # [   55.295232]  do_syscall_64+0x30/0x40

 7345 21:33:51.569519  # [   55.299515]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7346 21:33:51.576398  # [   55.305448] RIP: 0033:0x7f3e0483c473

 7347 21:33:51.596329  # [   55.309746] 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

 7348 21:33:51.605999  # [   55.331033] RSP: 002b:00007ffd8db6cf78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7349 21:33:51.612864  # [   55.345994] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3e0483c473

 7350 21:33:51.622567  # [   55.354257] RDX: 0000000000000020 RSI: 00007f3e04730000 RDI: 0000000000000001

 7351 21:33:51.629030  # [   55.362511] RBP: 00007f3e04730000 R08: 00007f3e0472f010 R09: 0000000000000000

 7352 21:33:51.639117  # [   55.370773] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7353 21:33:51.649091  # [   55.379027] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7354 21:33:51.652284  # [   55.387293] irq event stamp: 0

 7355 21:33:51.659055  # [   55.391018] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7356 21:33:51.668896  # [   55.398309] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 7357 21:33:51.678433  # [   55.407739] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 7358 21:33:51.685220  # [   55.423384] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7359 21:33:51.691704  # [   55.430679] ---[ end trace c17c1eb82cc650e5 ]---

 7360 21:33:51.698121  # [   55.436126] lkdtm: Saturation detected: still saturated

 7361 21:33:51.705021  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7362 21:33:51.711518  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7363 21:33:51.718067  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7364 21:33:51.724802  # [   55.748158] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7365 21:33:51.731355  # [   55.759135] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7366 21:33:51.738528  # [   55.773122] ------------[ cut here ]------------

 7367 21:33:51.745086  # [   55.784777] refcount_t: underflow; use-after-free.

 7368 21:33:51.754592  # [   55.796702] WARNING: CPU: 0 PID: 2563 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7369 21:33:51.807852  # [   55.812635] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_ec_sysfs videobuf2_v4l2 cros_ec_sensorhub cros_usbpd_charger cros_ec_chardev gsmi cros_ec_dev x86_pkg_temp_thermal snd_soc_da7219 videobuf2_common snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore

 7370 21:33:51.817246  # [   55.871592] CPU: 0 PID: 2563 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 7371 21:33:51.824074  # [   55.886750] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7372 21:33:51.830681  # [   55.900075] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7373 21:33:51.853346  # [   55.912435] Code: 02 01 e8 3b 3e c4 00 0f 0b c3 cc cc cc cc 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 d7 a2 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7

 7374 21:33:51.860151  # [   55.939933] RSP: 0018:ffffb1e20324fe40 EFLAGS: 00010286

 7375 21:33:51.866627  # [   55.952275] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7376 21:33:51.876576  # [   55.966763] RDX: ffff9e25fac2c620 RSI: ffff9e25fac1bf50 RDI: ffff9e25fac1bf50

 7377 21:33:51.882834  # [   55.981240] RBP: ffffffffa2e1a678 R08: 0000000000000000 R09: 0000000000000000

 7378 21:33:51.892816  # [   55.995725] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7379 21:33:51.899389  # [   56.010228] R13: ffffb1e20324ff10 R14: ffffb1e20324ff10 R15: ffff9e2583edd000

 7380 21:33:51.909221  # [   56.024674] FS:  00007f211d0c1580(0000) GS:ffff9e25fac00000(0000) knlGS:0000000000000000

 7381 21:33:51.916383  # [   56.040281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7382 21:33:51.925672  # [   56.053277] CR2: 00007f211cecb000 CR3: 00000001043ec003 CR4: 00000000003706f0

 7383 21:33:51.928801  # [   56.067713] Call Trace:

 7384 21:33:51.933014  # [   56.077050]  ? __warn+0x80/0x110

 7385 21:33:51.938850  # [   56.087159]  ? refcount_warn_saturate+0xba/0x110

 7386 21:33:51.942342  # [   56.098834]  ? report_bug+0x9e/0xc0

 7387 21:33:51.945580  # [   56.109231]  ? handle_bug+0x41/0x90

 7388 21:33:51.951878  # [   56.119655]  ? exc_invalid_op+0x14/0x70

 7389 21:33:51.955387  # [   56.130469]  ? asm_exc_invalid_op+0x12/0x20

 7390 21:33:51.962007  # [   56.141678]  ? refcount_warn_saturate+0xba/0x110

 7391 21:33:51.968633  # [   56.153333]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7392 21:33:51.974811  # [   56.166006]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7393 21:33:51.978588  # [   56.178858]  direct_entry.cold+0x2c/0x38

 7394 21:33:51.985364  # [   56.189774]  full_proxy_write+0x53/0x80

 7395 21:33:51.988320  # [   56.200577]  vfs_write+0xe7/0x3b0

 7396 21:33:51.991335  # [   56.210808]  ksys_write+0x68/0xf0

 7397 21:33:51.998099  # [   56.221060]  do_syscall_64+0x30/0x40

 7398 21:33:52.001494  # [   56.231549]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7399 21:33:52.008364  # [   56.243778] RIP: 0033:0x7f211cfd7473

 7400 21:33:52.027362  # [   56.254228] 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

 7401 21:33:52.037527  # [   56.281761] RSP: 002b:00007fff31c44848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7402 21:33:52.047410  # [   56.296760] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f211cfd7473

 7403 21:33:52.054205  # [   56.311254] RDX: 0000000000000020 RSI: 00007f211cecb000 RDI: 0000000000000001

 7404 21:33:52.064019  # [   56.325764] RBP: 00007f211cecb000 R08: 00007f211ceca010 R09: 0000000000000000

 7405 21:33:52.070385  # [   56.340219] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7406 21:33:52.080068  # [   56.354705] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7407 21:33:52.083828  # [   56.369206] irq event stamp: 0

 7408 21:33:52.090271  # [   56.379140] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7409 21:33:52.100158  # [   56.392613] hardirqs last disabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 7410 21:33:52.109830  # [   56.408308] softirqs last  enabled at (0): [<ffffffffa0afddac>] copy_process+0x65c/0x20e0

 7411 21:33:52.116658  # [   56.423910] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7412 21:33:52.123348  # [   56.437457] ---[ end trace c17c1eb82cc650e6 ]---

 7413 21:33:52.129941  # [   56.449109] lkdtm: Saturation detected: still saturated

 7414 21:33:52.136289  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7415 21:33:52.142456  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7416 21:33:52.149194  # selftests: lkdtm: REFCOUNT_TIMING.sh

 7417 21:33:52.152486  # Skipping REFCOUNT_TIMING: timing only

 7418 21:33:52.155787  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 7419 21:33:52.159238  # selftests: lkdtm: ATOMIC_TIMING.sh

 7420 21:33:52.165554  # Skipping ATOMIC_TIMING: timing only

 7421 21:33:52.169388  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 7422 21:33:52.175794  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 7423 21:33:52.182349  # [   56.896701] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7424 21:33:52.189026  # [   56.908960] lkdtm: attempting good copy_to_user of correct size

 7425 21:33:52.195443  # [   56.915893] lkdtm: attempting bad copy_to_user of too large size

 7426 21:33:52.201773  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 7427 21:33:52.208398  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 7428 21:33:52.211497  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 7429 21:33:52.218225  # [   57.047428] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7430 21:33:52.224594  # [   57.060673] lkdtm: attempting good copy_from_user of correct size

 7431 21:33:52.235079  # [   57.067787] lkdtm: attempting bad copy_from_user of too large size

 7432 21:33:52.238732  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 7433 21:33:52.244964  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 7434 21:33:52.251452  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 7435 21:33:52.257693  # [   57.198993] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7436 21:33:52.264460  # [   57.206844] lkdtm: attempting good copy_to_user inside whitelist

 7437 21:33:52.274137  # [   57.220072] lkdtm: attempting bad copy_to_user outside whitelist

 7438 21:33:52.277769  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 7439 21:33:52.284223  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 7440 21:33:52.290832  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 7441 21:33:52.300460  # [   57.367655] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7442 21:33:52.306998  # [   57.377718] lkdtm: attempting good copy_from_user inside whitelist

 7443 21:33:52.314326  # [   57.391155] lkdtm: attempting bad copy_from_user outside whitelist

 7444 21:33:52.320428  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 7445 21:33:52.327069  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 7446 21:33:52.330321  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 7447 21:33:52.339912  # [   57.527651] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7448 21:33:52.346327  # [   57.536046] lkdtm: good_stack: ffffb1e2035ffe20-ffffb1e2035ffe40

 7449 21:33:52.353717  # [   57.549278] lkdtm: bad_stack : ffffb1e2035ffda8-ffffb1e2035ffdc8

 7450 21:33:52.360365  # [   57.562525] lkdtm: attempting good copy_to_user of local stack

 7451 21:33:52.366854  # [   57.575504] lkdtm: attempting bad copy_to_user of distant stack

 7452 21:33:52.373290  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 7453 21:33:52.379655  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 7454 21:33:52.382947  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 7455 21:33:52.393232  # [   57.726313] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7456 21:33:52.400010  # [   57.738981] lkdtm: good_stack: ffffb1e2036afe20-ffffb1e2036afe40

 7457 21:33:52.406484  # [   57.746015] lkdtm: bad_stack : ffffb1e2036afda8-ffffb1e2036afdc8

 7458 21:33:52.412404  # [   57.753040] lkdtm: attempting good copy_from_user of local stack

 7459 21:33:52.419648  # [   57.760054] lkdtm: attempting bad copy_from_user of distant stack

 7460 21:33:52.425934  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 7461 21:33:52.432681  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 7462 21:33:52.439131  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 7463 21:33:52.445454  # [   57.897398] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7464 21:33:52.451994  # [   57.904741] lkdtm: good_stack: ffffb1e20371fe20-ffffb1e20371fe40

 7465 21:33:52.458780  # [   57.917955] lkdtm: bad_stack : ffffb1e20371fff8-ffffb1e203720018

 7466 21:33:52.465610  # [   57.931215] lkdtm: attempting good copy_to_user of local stack

 7467 21:33:52.471853  # [   57.944239] lkdtm: attempting bad copy_to_user of distant stack

 7468 21:33:52.478344  # [   57.957334] lkdtm: copy_to_user failed, but lacked Oops

 7469 21:33:52.485045  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 7470 21:33:52.491215  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 7471 21:33:52.494896  # selftests: lkdtm: USERCOPY_KERNEL.sh

 7472 21:33:52.501143  # [   58.092868] lkdtm: Performing direct entry USERCOPY_KERNEL

 7473 21:33:52.511236  # [   58.100426] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa2994750

 7474 21:33:52.517493  # [   58.109389] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa0ce3ce0

 7475 21:33:52.524132  # [   58.124243] lkdtm: FAIL: survived bad copy_to_user()

 7476 21:33:52.530884  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 7477 21:33:52.533972  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 7478 21:33:52.540679  # selftests: lkdtm: STACKLEAK_ERASING.sh

 7479 21:33:52.543592  # [   58.267156] lkdtm: Performing direct entry STACKLEAK_ERASING

 7480 21:33:52.553807  # [   58.279925] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7481 21:33:52.560329  # [   58.288115] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7482 21:33:52.566897  # [   58.302404] lkdtm: FAIL: the thread stack is NOT properly erased

 7483 21:33:52.576537  # [   58.309416] CPU: 2 PID: 2939 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 7484 21:33:52.583573  # [   58.324566] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7485 21:33:52.586373  # [   58.331661] Call Trace:

 7486 21:33:52.589880  # [   58.334683]  dump_stack+0x77/0x9b

 7487 21:33:52.596800  # [   58.338672]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7488 21:33:52.600136  # [   58.344118]  direct_entry.cold+0x2c/0x38

 7489 21:33:52.606320  # [   58.348787]  full_proxy_write+0x53/0x80

 7490 21:33:52.610177  # [   58.353359]  vfs_write+0xe7/0x3b0

 7491 21:33:52.612855  # [   58.357348]  ksys_write+0x68/0xf0

 7492 21:33:52.616207  # [   58.361338]  do_syscall_64+0x30/0x40

 7493 21:33:52.622721  # [   58.365619]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7494 21:33:52.626556  # [   58.371550] RIP: 0033:0x7f45ffcb2473

 7495 21:33:52.649249  # [   58.375821] 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

 7496 21:33:52.656126  # [   58.397096] RSP: 002b:00007ffcf7c1bdf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7497 21:33:52.666160  # [   58.405835] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f45ffcb2473

 7498 21:33:52.672198  # [   58.414096] RDX: 0000000000000012 RSI: 00007f45ffba6000 RDI: 0000000000000001

 7499 21:33:52.682577  # [   58.422356] RBP: 00007f45ffba6000 R08: 00007f45ffba5010 R09: 0000000000000000

 7500 21:33:52.688982  # [   58.430616] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7501 21:33:52.699336  # [   58.438878] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7502 21:33:52.705716  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 7503 21:33:52.712073  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 7504 21:33:52.715366  # selftests: lkdtm: CFI_FORWARD_PROTO.sh

 7505 21:33:52.721890  # [   58.597970] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7506 21:33:52.728711  # [   58.609288] lkdtm: Calling matched prototype ...

 7507 21:33:52.735056  # [   58.614769] lkdtm: Calling mismatched prototype ...

 7508 21:33:52.742063  # [   58.620542] lkdtm: Fail: survived mismatched prototype function call!

 7509 21:33:52.745551  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 7510 21:33:52.751995  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 7511 21:33:53.005286  Traceback (most recent call last):

 7512 21:33:53.014833    File "/lava-12965416/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/./parse-output.py", line 4, in <module>

 7513 21:33:53.018733      from tap import parser

 7514 21:33:53.021573  ModuleNotFoundError: No module named 'tap'

 7515 21:33:53.027915  + ../../utils/send-to-lava.sh ./output/result.txt

 7516 21:33:53.075114  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=shardfile-lkdtm RESULT=pass>

 7517 21:33:53.075805  Received signal: <TESTCASE> TEST_CASE_ID=shardfile-lkdtm RESULT=pass
 7519 21:33:53.078364  + set +x

 7520 21:33:53.081819  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 12965416_1.5.2.3.5>

 7521 21:33:53.082091  Received signal: <ENDRUN> 1_kselftest-lkdtm 12965416_1.5.2.3.5
 7522 21:33:53.082167  Ending use of test pattern.
 7523 21:33:53.082228  Ending test lava.1_kselftest-lkdtm (12965416_1.5.2.3.5), duration 45.57
 7525 21:33:53.084880  <LAVA_TEST_RUNNER EXIT>

 7526 21:33:53.085135  ok: lava_test_shell seems to have completed
 7527 21:33:53.085278  shardfile-lkdtm: pass

 7528 21:33:53.085384  end: 3.1 lava-test-shell (duration 00:00:46) [common]
 7529 21:33:53.085486  end: 3 lava-test-retry (duration 00:00:46) [common]
 7530 21:33:53.085575  start: 4 finalize (timeout 00:07:52) [common]
 7531 21:33:53.085666  start: 4.1 power-off (timeout 00:00:30) [common]
 7532 21:33:53.085818  Calling: 'pduclient' '--daemon=localhost' '--hostname=asus-C433TA-AJ0005-rammus-cbg-2' '--port=1' '--command=off'
 7533 21:33:53.162227  >> Command sent successfully.

 7534 21:33:53.164704  Returned 0 in 0 seconds
 7535 21:33:53.265127  end: 4.1 power-off (duration 00:00:00) [common]
 7537 21:33:53.265466  start: 4.2 read-feedback (timeout 00:07:52) [common]
 7538 21:33:53.265733  Listened to connection for namespace 'common' for up to 1s
 7539 21:33:53.266023  Listened to connection for namespace 'common' for up to 1s
 7540 21:33:54.266646  Finalising connection for namespace 'common'
 7541 21:33:54.266801  Disconnecting from shell: Finalise
 7542 21:33:54.266875  / # 
 7543 21:33:54.367184  end: 4.2 read-feedback (duration 00:00:01) [common]
 7544 21:33:54.367335  end: 4 finalize (duration 00:00:01) [common]
 7545 21:33:54.367454  Cleaning after the job
 7546 21:33:54.367552  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12965416/tftp-deploy-s78x24nw/ramdisk
 7547 21:33:54.369107  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12965416/tftp-deploy-s78x24nw/kernel
 7548 21:33:54.371848  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12965416/tftp-deploy-s78x24nw/nfsrootfs
 7549 21:33:54.463385  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12965416/tftp-deploy-s78x24nw/modules
 7550 21:33:54.466809  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/12965416
 7551 21:33:55.075191  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/12965416
 7552 21:33:55.075353  Job finished correctly